一、啟動

　　1、 Start up

　　沼氣工程啟動之前需要對原料進(jìn)行必要的前處理，這是保證沼氣發(fā)酵池正常運行的首要前提條件，其中包括沉砂池、格柵去掉大塊雜物，清除浮渣等；用回流液調(diào)節(jié)進(jìn)料的pH值；進(jìn)料濃度應(yīng)在10%以下，進(jìn)料液的pH值在7左右。沼氣反應(yīng)器的投料啟動非常關(guān)鍵，夏季一般在3-7天，冬季在1-2個月，主要由原料的堆漚程度而定，堆漚的目的是為了調(diào)節(jié)酸堿度、排放原料內(nèi)的空氣和添加甲烷（沼氣）菌進(jìn)行接種。因此，新池子啟動前應(yīng)先將發(fā)酵原料堆漚好或從其他已經(jīng)正常運行的沼氣工程設(shè)施中抽取一定的沼渣沼液作為接種物，再投入池內(nèi)，否則將會延長幾倍的啟動時間。

　　Before starting the biogas project, it is necessary to perform necessary pre-treatment on the raw materials, which is the primary prerequisite for ensuring the normal operation of the biogas fermentation tank. This includes removing large debris from the sedimentation tank and grid, and removing floating slag; Adjust the pH value of the feed with reflux solution; The feed concentration should be below 10%, and the pH value of the feed solution should be around 7. The feeding and start-up of the biogas reactor are crucial, usually taking 3-7 days in summer and 1-2 months in winter, depending on the degree of composting of the raw materials. The purpose of composting is to regulate the acidity and alkalinity, discharge air from the raw materials, and add methane (biogas) bacteria for inoculation. Therefore, before starting the new pond, the fermentation raw materials should be piled up or a certain amount of biogas slurry should be extracted from other normally operating biogas engineering facilities as inoculum, and then put into the pond, otherwise it will prolong the start-up time by several times.

　　二、運行管理（一）一般要求1、運行管理

　　2、 Operation Management (1) General Requirements 1. Operation Management

　　1）“沼氣工程”運行、維護(hù)及安全應(yīng)符合國家現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定。

　　1) The operation, maintenance, and safety of biogas projects should comply with the relevant national standards currently in effect.

　　2） 運行管理人員必須熟悉“沼氣工程”處理工藝和設(shè)施、設(shè)備的運行要求與技術(shù)指標(biāo)，并應(yīng)持有職業(yè)資格證書（沼氣生產(chǎn)）。

　　2) The operation management personnel must be familiar with the operation requirements and technical indicators of the "biogas engineering" treatment process, facilities, and equipment, and should hold a professional qualification certificate (biogas production).

　　3）操作人員必須了解本工程處理工藝，熟悉本崗位設(shè)施、設(shè)備的運行要求和技術(shù)指標(biāo)。

　　3) Operators must understand the processing technology of this project, be familiar with the operational requirements and technical indicators of the facilities and equipment in this position.

　　4）設(shè)備啟動應(yīng)做好全面檢查和準(zhǔn)備工作，確認(rèn)無誤后方可開機(jī)運行。

　　4) The equipment should be thoroughly inspected and prepared before starting up, and can only be started and operated after confirming that there are no errors.

　　5）操作人員發(fā)現(xiàn)運行異常時，應(yīng)采取相應(yīng)措施并及時報告負(fù)責(zé)人。

　　5) When operators discover abnormal operation, they should take corresponding measures and report to the responsible person in a timely manner.

　　6）各種設(shè)施、設(shè)備應(yīng)保持整潔，避免水、泥、氣泄漏。

　　6) All facilities and equipment should be kept clean to avoid water, mud, and gas leaks.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）“沼氣工程”應(yīng)建立日常保養(yǎng)、定期維護(hù)和大修三級維護(hù)保養(yǎng)制度。

　　1) The "biogas project" should establish a three-level maintenance system of daily maintenance, regular maintenance, and major repairs.

　　2）專業(yè)維修人員必須熟悉機(jī)電設(shè)備、處理設(shè)施的維修保養(yǎng)計劃及檢查驗收制度。

　　2) Professional maintenance personnel must be familiar with the maintenance plan and inspection and acceptance system for mechanical and electrical equipment and processing facilities.

　　3）鍋爐、壓力容器等設(shè)備重點部件的檢修，應(yīng)由安全勞動部門認(rèn)可的維修單位負(fù)責(zé)。

　　3) The maintenance of key components such as boilers and pressure vessels should be carried out by maintenance units recognized by the safety and labor department.

　　4）場內(nèi)的建、構(gòu)筑物的避雷、防爆裝置的維修應(yīng)符合氣象和消防部門的規(guī)定，并申報有關(guān)部門定期測試。

　　4) The maintenance of lightning protection and explosion-proof devices for buildings and structures on site should comply with the regulations of meteorological and fire departments, and be reported to relevant departments for regular testing.

　　5）維修人員應(yīng)按設(shè)備使用要求定期檢查和更換安全和消防等防護(hù)設(shè)施、設(shè)備。

　　5) Maintenance personnel should regularly inspect and replace safety and fire protection facilities and equipment according to equipment usage requirements.

　　6）應(yīng)定期檢查、緊固設(shè)備連接件，定期檢查電動閥門的控制元件、手動與電動的聯(lián)鎖裝置。

　　6) Regular inspection and fastening of equipment connections should be carried out, and the control components of electric valves and manual and electric interlocking devices should be checked regularly.

　　7）構(gòu)筑物之間的明渠等應(yīng)定期清理確保暢通無阻。

　　7) Open channels between structures should be regularly cleaned to ensure unobstructed flow.

　　3、安全操作

　　3. Safe operation

　　1）對員工必須進(jìn)行系統(tǒng)安全教育，應(yīng)定期進(jìn)行安全學(xué)習(xí)。

　　1) Employees must receive systematic security education and regular security learning should be conducted.

　　2）從事電氣、鍋爐、化驗分析等特殊工種的人員，必須通過職業(yè)技能、安全技術(shù)培訓(xùn)，原則上經(jīng)鑒定合格并取得相應(yīng)行業(yè)的職業(yè)資格證書后方可上崗操作。

　　2) Personnel engaged in special occupations such as electrical, boiler, laboratory analysis, etc. must undergo vocational skills and safety technical training, and in principle, pass the appraisal and obtain the corresponding industry's vocational qualification certificate before they can work.

　　3）運行管理人員必須了解“沼氣工程”內(nèi)的各種有害因素與操作及維修工作的利害關(guān)系。

　　3) Operation and management personnel must understand the various harmful factors within the "biogas project" and the interests of operation and maintenance work.

　　4）各崗位操作人員上崗時必須穿戴相應(yīng)的勞保用品，做好安全衛(wèi)生工作。

　　4) Operators at all positions must wear appropriate personal protective equipment and ensure safety and hygiene measures are taken when on duty.

　　5）對產(chǎn)生、輸送、貯存沼氣的設(shè)施應(yīng)做好安全防護(hù)，并應(yīng)符合下列規(guī)定：

　　5) Facilities for generating, transporting, and storing biogas should be properly protected and comply with the following regulations:

　　a）嚴(yán)禁沼氣泄漏或空氣進(jìn)入?yún)捬跸骷罢託赓A氣、配氣系統(tǒng)；

　　a) It is strictly prohibited for biogas leakage or air to enter anaerobic digesters and biogas storage and distribution systems;

　　b）嚴(yán)禁違章明火作業(yè)；

　　b) Strictly prohibit illegal open flame operations;

　　c）貯氣柜蓄水池內(nèi)的水嚴(yán)禁隨意排放，以防罐內(nèi)產(chǎn)生負(fù)壓損壞罐體。

　　c) It is strictly prohibited to discharge the water in the gas storage tank at will to prevent negative pressure from damaging the tank.

　　6）凡在對具有有害氣體或可燃性氣體的構(gòu)筑物或容器進(jìn)行放空清理和維修時，應(yīng)打開入孔與頂蓋，采用強(qiáng)制通風(fēng)措施24小時后。采用活體小動物（雞）進(jìn)行有害氣體檢測無誤后檢修人員方可進(jìn)入，池外必須有人進(jìn)行安全保護(hù)防止意外發(fā)生。

　　6) When venting, cleaning, and repairing structures or containers containing harmful or flammable gases, the inlet and top cover should be opened, and forced ventilation measures should be taken 24 hours later. After using live small animals (chickens) for harmful gas detection, maintenance personnel can only enter. There must be someone outside the pool for safety protection to prevent accidents from happening.

　　7）電源電壓大于或小于額定電壓5％時，嚴(yán)禁起動大型電機(jī)，電氣設(shè)備必須可靠接地。

　　7) When the power supply voltage is greater than or less than 5% of the rated voltage, it is strictly prohibited to start large motors, and electrical equipment must be reliably grounded.

　　8）操作電器開關(guān)時，應(yīng)按電工安全用電操作規(guī)程進(jìn)行。

　　8) When operating electrical switches, follow the electrical safety operation procedures for electricians.

　　9）嚴(yán)禁非本崗位人員啟、閉，機(jī)電設(shè)備。

　　9) It is strictly prohibited for non personnel in this position to open or close mechanical and electrical equipment.

　　10）維修各種設(shè)備時必須切斷電源，并應(yīng)在控制箱外掛維修警示牌。

　　10) When repairing various equipment, the power must be cut off and a maintenance warning sign should be hung outside the control box.

　　11）在運轉(zhuǎn)中清理機(jī)電設(shè)備及周圍環(huán)境衛(wèi)生時，嚴(yán)禁擦拭設(shè)備運轉(zhuǎn)部位，不得將沖洗水濺到電纜頭和電機(jī)。

　　11) When cleaning the mechanical and electrical equipment and the surrounding environment during operation, it is strictly prohibited to wipe the operating parts of the equipment, and rinse water must not splash onto cable heads and motors.

　　12）操作人員應(yīng)熟練掌握，并會合理使用滅火器具。

　　12) Operators should be proficient and able to use fire extinguishing equipment reasonably.

　　13）清撈雜物、浮渣及清掃堰口時，應(yīng)有安全及監(jiān)護(hù)措施。

　　13) Safety and monitoring measures should be taken when clearing debris, floating slag, and cleaning the weir mouth.

　　14）在構(gòu)筑物上或敞開式池、井邊巡視、操作時，應(yīng)注意安全，雨天或冰雪天氣應(yīng)特別注意防滑。

　　14) When inspecting and operating on structures or open pools and wells, safety should be taken into account, and special attention should be paid to anti slip during rainy or snowy weather.

　　（二）格柵1、運行管理

　　（2） Grille 1. Operation management

　　1）格柵攔截的雜物應(yīng)及時清除，雜物應(yīng)采取適當(dāng)處置措施。

　　1) The debris intercepted by the grille should be promptly removed, and appropriate disposal measures should be taken for the debris.

　　2）采用機(jī)械清撈雜物時，應(yīng)監(jiān)視機(jī)電設(shè)備運轉(zhuǎn)情況及渠道液面的變化，發(fā)現(xiàn)問題及時處理。

　　2) When using mechanical cleaning to remove debris, the operation of the mechanical and electrical equipment and changes in the channel liquid level should be monitored, and any problems should be promptly addressed.

　　3）畜禽場排污時應(yīng)每半個小時檢查一次格柵的情況，及時清潔格柵。

　　3) When discharging pollutants from livestock and poultry farms, the condition of the grille should be checked every half hour and the grille should be cleaned in a timely manner.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）應(yīng)定期檢修、保養(yǎng)格柵，對于破損的要及時更換。

　　1) The grille should be regularly inspected and maintained, and any damaged ones should be replaced in a timely manner.

　　2）機(jī)械格柵機(jī)運轉(zhuǎn)結(jié)束后應(yīng)及時清洗格柵機(jī)。3、安全操作

　　2) After the operation of the mechanical grid machine is completed, it should be cleaned in a timely manner. 3. Safe operation

　　人工清掏雜物時，應(yīng)注意防滑。（三）水泵1、運行管理

　　When manually cleaning debris, attention should be paid to anti slip. （3） Pump 1. Operation management

　　1）水泵在運行中，必須嚴(yán)格執(zhí)行巡回檢查制度，并應(yīng)符合下列規(guī)定：

　　1) During operation, the water pump must strictly follow the patrol inspection system and comply with the following regulations:

　　a）應(yīng)注意觀察各種儀表顯示是否正常、穩(wěn)定；

　　a) Attention should be paid to observing whether various instrument displays are normal and stable;

　　b）軸承溫升不得超過環(huán)境溫度35℃，軸承溫度最高不得超過75℃；

　　b) The temperature rise of the bearing shall not exceed 35 ℃ of the ambient temperature, and the maximum temperature of the bearing shall not exceed 75 ℃;

　　c）水泵機(jī)組不得有異常的噪音或振動；

　　c) The water pump unit shall not have abnormal noise or vibration;

　　d）勻漿集水池應(yīng)設(shè)低水位報警及顯示裝置。

　　d) The homogenized water collection tank should be equipped with a low water level alarm and display device.

　　2）當(dāng)選擇潛水泵時必須保證泵防水電纜的可靠固定。 3）應(yīng)及時清除泵葉輪堵塞物。

　　2) When choosing a submersible pump, it is necessary to ensure the reliable fixation of the pump's waterproof cable. 3) The blockage of the pump impeller should be promptly removed.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）定期檢查水泵、閥門填料或油封密封情況，并根據(jù)需要填加或更換填料、潤滑油、潤滑脂。

　　1) Regularly check the sealing condition of water pumps, valve packing or oil seals, and add or replace packing, lubricating oil, and grease as needed.

　　2）應(yīng)定期檢修勻漿集水池液位控制器及其信號轉(zhuǎn)換裝置。

　　2) Regular maintenance should be carried out on the level controller and signal conversion device of the homogenate collection tank.

　　3）備用泵及相關(guān)閥門應(yīng)每周至少運轉(zhuǎn)、開閉一次。當(dāng)環(huán)境溫度低于0℃時，泵停止運轉(zhuǎn)后必須放掉泵殼內(nèi)的存水。

　　3) The standby pump and related valves should be operated and opened/closed at least once a week. When the ambient temperature is below 0 ℃, the stored water inside the pump casing must be drained after the pump stops running.

　　3、安全操作

　　3. Safe operation

　　1）水泵啟動或運行時，操作人員不得接觸轉(zhuǎn)動部位。

　　1) When the water pump is started or running, the operator must not touch the rotating parts.

　　2）當(dāng)突然斷電或設(shè)備發(fā)生事故時，應(yīng)首先切斷電源，打開事故排放口閘閥，將進(jìn)水口處閘閥全部關(guān)閉，并及時上報，未排除故障前不得擅自接通電源。

　　2) When there is a sudden power outage or equipment accident, the power should be cut off first, the accident discharge gate valve should be opened, all gate valves at the inlet should be closed, and timely reporting should be made. The power should not be connected without troubleshooting.

　　3）操作人員在水泵運行穩(wěn)定后，方可離開。

　　3) The operator can only leave after the water pump is running stably.

　　4）嚴(yán)禁頻繁啟動水泵。

　　4) It is strictly prohibited to frequently start the water pump.

　　5）水泵運行中發(fā)現(xiàn)下列情況時，應(yīng)立即停機(jī)：

　　5) When the following situations are found during the operation of the water pump, it should be stopped immediately:

　　a）水泵發(fā)生斷軸故障；

　　a) The water pump has a broken shaft fault;

　　b）突然發(fā)生異常聲響；

　　b) Sudden abnormal noise;

　　c）軸承溫度過高；

　　c) The bearing temperature is too high;

　　d）電壓表、電流表的顯示值過低或過高（超過或低于額定電壓或電流的5%）；

　　d) The display values of the voltmeter and ammeter are too low or too high (exceeding or falling below 5% of the rated voltage or current);

　　e）機(jī)房管線、閥門發(fā)生大量漏水；

　　e) There is a large amount of water leakage in the pipelines and valves of the computer room;

　　f）電機(jī)發(fā)生故障。

　　f) The motor has malfunctioned.

　　（四）固液分離機(jī)1、運行管理

　　（4） Solid liquid separator 1. Operation management

　　1）仔細(xì)閱讀設(shè)備安裝、使用說明書，按設(shè)備使用說明書進(jìn)行調(diào)整、操作、保養(yǎng)。

　　1) Carefully read the equipment installation and usage instructions, and adjust, operate, and maintain according to the equipment usage instructions.

　　2）固液分離機(jī)帶負(fù)荷運行前，應(yīng)空載試車。

　　2) Before operating the solid-liquid separator with load, a no-load test should be conducted.

　　3）固液分離機(jī)在正常工作時應(yīng)經(jīng)常檢查設(shè)備運轉(zhuǎn)情況，根據(jù)污水水質(zhì)、分離后污水水量及時調(diào)節(jié)進(jìn)入固液分離機(jī)的污水流量。

　　3) During normal operation, the solid-liquid separator should be regularly checked for equipment operation, and the flow rate of wastewater entering the solid-liquid separator should be adjusted in a timely manner based on the quality of wastewater and the amount of wastewater after separation.

　　4）應(yīng)根據(jù)固液分離機(jī)分離出的固形物的含水率，按工藝要求調(diào)節(jié)設(shè)備運行參數(shù)。

　　4) The operating parameters of the equipment should be adjusted according to the process requirements based on the moisture content of the solid separated by the solid-liquid separator.

　　5）每日工作完畢，應(yīng)對固液分離機(jī)徹底清洗，長期不使用應(yīng)將污水和廢渣徹底清理干凈，預(yù)防結(jié)凍。

　　5) After daily work, the solid-liquid separator should be thoroughly cleaned. If it is not used for a long time, the sewage and waste residue should be thoroughly cleaned to prevent freezing.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）按固液分離機(jī)使用說明書的要求定期保養(yǎng)，添加潤滑油（脂）。

　　1) Regularly maintain the solid-liquid separator according to the instructions and add lubricating oil (grease).

　　2）固液分離機(jī)發(fā)生故障或損壞時，應(yīng)及時維修或更換部件。

　　2) When the solid-liquid separator malfunctions or is damaged, it should be repaired or replaced in a timely manner.

　　3）當(dāng)發(fā)生過負(fù)荷跳閘時，應(yīng)查找原因，待故障排除后方可重新合閘。

　　3) When an overload trip occurs, the cause should be investigated and the fault should be resolved before closing the circuit again.

　　3、安全操作

　　3. Safe operation

　　1）固液分離機(jī)運行時，操作人員不得靠近設(shè)備旋轉(zhuǎn)部位。

　　1) During the operation of the solid-liquid separator, operators must not approach the rotating parts of the equipment.

　　2）固液分離機(jī)運行時，操作人員不得站在出料口的正前方以防料液噴出。

　　2) When the solid-liquid separator is running, the operator must not stand directly in front of the discharge port to prevent the liquid from spraying out.

　　3）固液分離機(jī)運行時出現(xiàn)異常現(xiàn)象應(yīng)立即停機(jī)檢修。

　　3) If any abnormal phenomena occur during the operation of the solid-liquid separator, it should be immediately shut down for maintenance.

　　4）檢修工作必須在停機(jī)狀態(tài)下進(jìn)行。（五）厭氧消化器1、運行管理

　　4) Maintenance work must be carried out in a shutdown state. （5） Anaerobic digester 1. Operation and management

　　1）無論是在啟動或是在正常運行時均要保證厭氧消化器內(nèi)料液pH值維持在6.8-7.6之間。

　　1) Whether during start-up or normal operation, it is necessary to ensure that the pH value of the feed solution in the anaerobic digester is maintained between 6.8-7.6.

　　2）厭氧消化器投加畜禽糞便污水應(yīng)按具體工藝要求的數(shù)量、濃度和時間間隔進(jìn)行。

　　2) The addition of livestock and poultry manure wastewater to anaerobic digesters should be carried out according to the specific process requirements in terms of quantity, concentration, and time interval.

　　3）厭氧消化器應(yīng)維持穩(wěn)定的中溫或近中溫（35℃或者25℃左右）的消化溫度。采用熱交換器加熱的，應(yīng)每日測量熱交換器污水進(jìn)、出口的水溫。

　　3) Anaerobic digesters should maintain a stable medium or near medium temperature (around 35 ℃ or 25 ℃) digestion temperature. If a heat exchanger is used for heating, the water temperature at the inlet and outlet of the heat exchanger should be measured daily.

　　4）厭氧消化器的攪拌按工藝要求運行，一般采用沼氣攪拌、進(jìn)料、機(jī)械、料液回流等方式來完成。

　　4) The stirring of anaerobic digesters is operated according to process requirements, generally using methods such as biogas stirring, feeding, machinery, and liquid reflux.

　　5）厭氧消化器內(nèi)料液的pH值、揮發(fā)酸、總堿度和溫度及內(nèi)部沼氣壓力、產(chǎn)氣量和沼氣成分宜每日監(jiān)測，并根據(jù)監(jiān)測數(shù)據(jù)及時調(diào)整厭氧消化器運行工況或采取相應(yīng)措施。

　　5) The pH value, volatile acid, total alkalinity, temperature, internal biogas pressure, gas production, and biogas composition of the feed liquid in the anaerobic digester should be monitored daily, and the operating conditions of the anaerobic digester should be adjusted or corresponding measures should be taken in a timely manner based on the monitoring data.

　　6）厭氧消化器的沼渣應(yīng)按設(shè)計要求定時排出，一般每半年排渣一次。排渣量由污泥層取樣口控制。凡是有雙閥門處里側(cè)為常開閥門，常開閥應(yīng)每周開閉一次，以保證閥門始終處于良好的工作狀態(tài)。

　　6) The sludge from anaerobic digesters should be discharged regularly according to design requirements, usually once every six months. The amount of slag discharge is controlled by the sampling port of the sludge layer. Whenever there are double valves, the inner side should be a normally open valve, which should be opened and closed once a week to ensure that the valve is always in good working condition.

　　7）厭氧消化器溢流管必須保持暢通并應(yīng)保證厭氧消化器的水封高度，冬季應(yīng)每日檢查。環(huán)境溫度低于0℃時，應(yīng)防止水封結(jié)冰。

　　7) The overflow pipe of the anaerobic digester must be kept unobstructed and the water seal height of the anaerobic digester should be ensured. It should be checked daily in winter. When the ambient temperature is below 0 ℃, the water seal should be prevented from freezing.

　　8）厭氧消化器放空清理時應(yīng)符合下列規(guī)定：

　　8) The emptying and cleaning of anaerobic digesters should comply with the following regulations:

　　a）放空清理時，應(yīng)停止進(jìn)料，關(guān)閉厭氧消化器與貯氣柜的聯(lián)接閥門，打開厭氧消化器頂部檢修入孔；

　　a) When emptying and cleaning, the feeding should be stopped, the connecting valve between the anaerobic digester and the gas storage tank should be closed, and the top maintenance access hole of the anaerobic digester should be opened;

　　b）工作人員進(jìn)入?yún)捬跸髑謇頃r，必須在完全通風(fēng)換氣之后進(jìn)行操作；

　　b) When personnel enter the anaerobic digester for cleaning, they must operate after complete ventilation and air exchange;

　　c）當(dāng)厭氧消化器，需長時間停用時，應(yīng)保持池內(nèi)水位不低于池體高度的1/2，并定期檢查及時補(bǔ)充。2、維護(hù)保養(yǎng)

　　c) When the anaerobic digester needs to be stopped for a long time, the water level in the tank should be maintained at not less than 1/2 of the tank height, and regular inspections should be conducted to replenish it in a timely manner. 2. Maintenance and upkeep

　　1）厭氧消化器本體、各種管道及閥門應(yīng)每年進(jìn)行一次檢查和維修。

　　1) The anaerobic digester body, various pipelines, and valves should be inspected and repaired once a year.

　　2）厭氧消化器的各種加熱設(shè)施應(yīng)經(jīng)常除垢、清通。

　　2) The various heating facilities of anaerobic digesters should be regularly cleaned and cleared.

　　3）當(dāng)采用機(jī)械攪拌時．軸承應(yīng)定期檢查，添加潤滑油，支撐架的連接螺栓應(yīng)經(jīng)常檢查和緊固。

　　3) When using mechanical mixing, the bearings should be checked regularly, lubricating oil should be added, and the connecting bolts of the support frame should be checked and tightened regularly.

　　4）蒸汽管道、沼氣管道的冷凝水應(yīng)按設(shè)計規(guī)定定期排放。

　　4) The condensed water from steam pipelines and biogas pipelines should be discharged regularly according to design regulations.

　　5）厭氧消化器，宜3～4年徹底清理、檢修一次。

　　5) Anaerobic digesters should be thoroughly cleaned and overhauled every 3-4 years.

　　3、安全操作

　　3. Safe operation

　　1）應(yīng)定期檢查厭氧消化器和沼氣管道是否漏，保證安全。

　　1) Anaerobic digesters and biogas pipelines should be regularly inspected for leaks to ensure safety.

　　2）厭氧消化器放空清理和維修時，首先關(guān)閉通往沼氣貯氣柜的閥門、停止進(jìn)料、打開頂部的入孔，此時方可排料清池，待液面降至下部檢修入孔以下，再打開下部檢修入孔。

　　2) When emptying, cleaning, and repairing the anaerobic digester, first close the valve leading to the biogas storage tank, stop feeding, and open the top inlet. At this time, discharge and clean the tank. Wait until the liquid level drops below the lower maintenance inlet, and then open the lower maintenance inlet.

　　3）進(jìn)入?yún)捬跸鲀?nèi)維修時必須采取安全措施，并應(yīng)有其他人員在池外協(xié)作與監(jiān)護(hù)。照明燈必須采用安全電壓防爆型燈具。

　　3) When entering the anaerobic digester for maintenance, safety measures must be taken and other personnel should cooperate and supervise outside the tank. The lighting fixtures must use explosion-proof lamps with safe voltage.

　　4）厭氧消化器排泥時，必須保證厭氧消化器與貯氣柜的可靠聯(lián)通。

　　4) When discharging sludge from an anaerobic digester, it is necessary to ensure reliable connection between the digester and the gas storage tank.

　　5）厭氧消化器發(fā)生超正、負(fù)壓時使防爆窗爆裂時，應(yīng)更換同等厚度、材質(zhì)的防爆材料，同時應(yīng)將所有輸氣管道、相關(guān)閥門、溢流管道清通一遍，確保液體、氣體管路的暢通后方可將防爆窗封死重新運行。

　　5) When the explosion-proof window of the anaerobic digester bursts due to excessive positive or negative pressure, it should be replaced with explosion-proof materials of the same thickness and material. At the same time, all gas pipelines, related valves, and overflow pipelines should be cleared to ensure the smooth flow of liquid and gas pipelines before the explosion-proof window can be sealed and restarted.

　　6）操作人員在厭氧消化器上巡回檢查，上、下梯時應(yīng)注意防止滑倒及高空墜落造成人身傷害。

　　6) Operators should conduct routine inspections on anaerobic digesters and take precautions to prevent slipping and falling from heights when climbing up and down stairs, which may cause personal injury.

　　7）對于地下式結(jié)構(gòu)的厭氧發(fā)酵池，還需注意以下幾點：

　　7) For anaerobic fermentation tanks with underground structures, the following points should also be noted:

　　①下池出料、檢修時，一定要做好安全防護(hù)措施。揭開活動蓋后，要先出掉池內(nèi)部分料液，使進(jìn)料口、出料口、活動蓋三口都通風(fēng)，并用鼓風(fēng)的辦法迅速排出池內(nèi)沼氣。然后用小動物(青蛙、雞、鴨、兔等)放入池內(nèi)，觀察10-15分鐘，如動物活動正常，方可入池，但必須繼續(xù)鼓風(fēng)。如動物出現(xiàn)異常反應(yīng)，甚至昏迷，表明池內(nèi)嚴(yán)重缺氧或有殘存的毒性氣體，這時，嚴(yán)禁人進(jìn)入池內(nèi)。每年大出料必須使用機(jī)具出料，人不下池，既方便，又安全。

　　① When discharging materials from the pool and conducting maintenance, it is necessary to take safety precautions. After removing the activity cover, it is necessary to first remove the material separation liquid inside the pool, so that the inlet, outlet, and activity cover are all ventilated, and the biogas in the pool is quickly discharged by blowing air. Then put small animals (frogs, chickens, ducks, rabbits, etc.) into the pool and observe for 10-15 minutes. If the animals are active, they can enter the pool, but the air must continue to blow. If animals exhibit abnormal reactions or even coma, it indicates severe hypoxia or residual toxic gases in the pool. At this time, it is strictly prohibited for people to enter the pool. Every year, large discharges must be carried out using machinery, without people leaving the pool, which is both convenient and safe.

　　②下池檢修的人員，腋下要拴上牢固結(jié)實的安全繩，池外要有身強(qiáng)力壯的人看護(hù)。一旦下池人員有頭暈、發(fā)悶等不舒適的感覺，看護(hù)人員要立即拉安全繩，將人救出池外。

　　② The personnel conducting maintenance in the pool should tie a sturdy safety rope under their armpits, and there should be a strong person outside the pool to take care of them. Once the person entering the pool feels uncomfortable such as dizziness or stuffiness, the caregiver should immediately pull the safety rope and rescue the person outside the pool.

　　③揭開活動蓋時，不要在沼氣池周圍點火吸煙。進(jìn)池出料、維修，只能用手電筒照明或用鏡子反光照明，禁止使用明火。

　　③ When removing the activity cover, do not ignite or smoke around the biogas digester. When entering the pool for material discharge and maintenance, only flashlights or mirrors can be used for illumination, and the use of open flames is prohibited.

　　④禁止向池內(nèi)丟明火，燒余氣，防止失火、燒傷或引起池子爆炸。

　　④ Do not throw open flames or burn residual gas into the pool to prevent fire, burns, or explosions.

　　（六）沼氣貯氣柜1、運行管理

　　（6） Biogas storage tank 1. Operation management

　　1）沼氣貯氣柜的進(jìn)、出沼氣量和沼氣壓力，應(yīng)每班按時觀測并做好記錄。

　　1) The inflow and outflow of biogas and biogas pressure in the biogas storage tank should be observed and recorded on time every shift.

　　2）低壓（濕式、膜式）沼氣貯氣柜的壓力宜為2500帕—4000帕。中高壓沼氣貯氣罐沼氣壓力宜為0.3兆帕—0.8兆帕。

　　2) The pressure of low-pressure (wet, membrane) biogas storage tanks should be between 2500 Pa and 4000 Pa. The biogas pressure in the medium and high pressure biogas storage tank should be between 0.3 megapascals and 0.8 megapascals.

　　3）濕式沼氣貯氣柜的水封應(yīng)保持設(shè)計的水位高度，應(yīng)適時地補(bǔ)充清水；冬季當(dāng)氣溫低于0℃時應(yīng)采取防凍措施。

　　3) The water seal of the wet biogas storage tank should maintain the designed water level height, and clear water should be replenished in a timely manner; When the temperature is below 0 ℃ in winter, anti freezing measures should be taken.

　　4）嚴(yán)禁在沼氣濕式貯氣柜降至低位時排水。

　　4) It is strictly prohibited to drain water when the wet biogas storage tank is lowered to a low position.

　　5）宜由限位開關(guān)控制濕式貯氣柜氣罩的位置，自動控制沼氣壓縮機(jī)工作。每天觀察限位開關(guān)工作是否正常。

　　5) It is advisable to use limit switches to control the position of the wet gas storage hood and automatically control the operation of the biogas compressor. Observe daily whether the limit switch is working properly.

　　6）沼氣體壓縮機(jī)工作時應(yīng)經(jīng)常巡視、檢查。2、維護(hù)保養(yǎng)

　　6) The biogas compressor should be regularly inspected and checked during operation. 2. Maintenance and upkeep

　　1）應(yīng)定期檢查沼氣貯氣柜、沼氣管道及閘閥是否漏氣。

　　1) Regularly inspect the biogas storage tank, biogas pipeline, and gate valve for any air leaks.

　　2）沼氣貯氣柜外表的油漆或涂料應(yīng)定期重新涂飾（涂飾反射性色彩）。

　　2) The paint or coating on the surface of the biogas storage tank should be regularly repainted (with reflective colors).

　　3）沼氣貯氣柜的升降設(shè)施、進(jìn)出氣閥門應(yīng)經(jīng)常檢查，添加潤滑油（脂）。

　　3) The lifting facilities and inlet and outlet valves of the biogas storage tank should be regularly inspected, and lubricating oil (grease) should be added.

　　4）寒冷地區(qū)冬季前應(yīng)檢修沼氣貯氣柜水封的防凍設(shè)施。

　　4) Before winter in cold regions, the anti freezing facilities of the water seal of the biogas storage tank should be inspected.

　　5）貯氣柜水封池存水應(yīng)定期（6個月）更換，當(dāng)pH值小于6時應(yīng)及時換水。

　　5) The water seal pool of the gas storage tank should be replaced regularly (every 6 months), and the water should be replaced promptly when the pH value is less than 6.

　　6）沼氣貯氣柜運行3～5年應(yīng)徹底維修一次并重新涂飾鐘罩防護(hù)油漆。

　　6) The biogas storage tank should be thoroughly repaired and repainted with bell jar protective paint every 3-5 years of operation.

　　7）應(yīng)定期檢查濕式貯氣柜的限位開關(guān)控制。3、安全操作

　　7) The limit switch control of the wet gas storage cabinet should be checked regularly. 3. Safe operation

　　1）工作人員上、下沼氣貯氣柜巡視、操作或維修時，必須配備防止靜電的工作服，并不得穿帶鐵釘?shù)男蚋吒?/p>

　　1) When the staff go up and down to inspect, operate or maintain the biogas storage tank, they must be equipped with anti-static work clothes and must not wear shoes with iron nails or high heels.

　　2）搶修沼氣貯氣柜應(yīng)制定安全技術(shù)方案，由專業(yè)施工隊伍進(jìn)行施工。

　　2) A safety technical plan should be developed for the emergency repair of biogas storage tanks, and the construction should be carried out by a professional construction team.

　　3）嚴(yán)禁將沼氣貯氣柜水封池中的水隨意外排。

　　3) It is strictly prohibited to discharge water from the water sealed pool of the biogas storage tank at will.

　　4）冬季要注意水封池及排水閥門的防凍，防止發(fā)生負(fù)壓和正壓事故。

　　4) In winter, it is important to pay attention to the anti freezing of water sealed tanks and drainage valves to prevent negative and positive pressure accidents.

　　5）貯氣柜的進(jìn)、出氣管應(yīng)安裝阻火器，并應(yīng)定期拆卸清洗。

　　5) The inlet and outlet pipes of the gas storage cabinet should be equipped with flame arresters and regularly disassembled and cleaned.

　　6）貯氣柜的避雷針應(yīng)在雷雨季節(jié)前進(jìn)行檢測、保養(yǎng)。

　　6) The lightning rod of the gas storage cabinet should be inspected and maintained before the thunderstorm season.

　　7）在臺風(fēng)前應(yīng)打開沼氣貯氣柜緊急放空閥，將貯氣柜降置安全高度。放空管高度應(yīng)高于1.9米，并加裝阻火器。

　　7) Before the typhoon, the emergency vent valve of the biogas storage tank should be opened and the tank should be lowered to a safe height. The height of the vent pipe should be higher than 1.9 meters and a flame arrester should be installed.

　　（七）沼氣凈化設(shè)備1、運行管理

　　（7） Biogas purification equipment 1. Operation management

　　1）定期排除冷凝器中的冷凝水。每日巡查凈化系統(tǒng)前后管道沼氣壓力。

　　1) Regularly remove condensed water from the condenser. Daily inspection of the biogas pressure in the pipeline before and after the purification system.

　　2）凈化設(shè)備檢修時依靠旁通管道維持沼氣系統(tǒng)正常運行。

　　2) During the maintenance of purification equipment, the normal operation of the biogas system is maintained by relying on the bypass pipeline.

　　3）沼氣脫硫系統(tǒng)在運行過程中，應(yīng)經(jīng)常檢查脫硫塔的氣密性、塔前塔后的沼氣壓力。

　　3) During the operation of the biogas desulfurization system, the airtightness of the desulfurization tower and the biogas pressure before and after the tower should be regularly checked.

　　4）定期更換（再生）脫硫劑（根據(jù)沼氣硫化氫的含量確定更換周期），一般脫硫劑完全變成深黑色就可以更換，更換下來的脫硫劑攤開晾在通風(fēng)干燥處進(jìn)行再

　　4) Regularly replace (regenerate) the desulfurizer (determine the replacement cycle based on the content of hydrogen sulfide in biogas). Generally, the desulfurizer can be replaced once it has completely turned dark black. The replaced desulfurizer should be spread out and dried in a ventilated and dry place before being replaced

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）定期（每周）對旁路閥門和備用脫硫塔的閥門進(jìn)行開、閉運轉(zhuǎn)，檢查沼氣凈化系統(tǒng)的氣密性。

　　1) Regularly (weekly) open and close the bypass valves and backup desulfurization tower valves, and check the airtightness of the biogas purification system.

　　2）定期（每周）排除沼氣凈化設(shè)備中的冷凝水。

　　2) Regularly (weekly) remove condensate from biogas purification equipment.

　　3、安全操作

　　3. Safe operation

　　1）排除沼氣凈化系統(tǒng)中的冷凝水并應(yīng)注意防止沼氣外溢。

　　1) Eliminate condensed water from the biogas purification system and pay attention to preventing biogas overflow.

　　2）在清洗沼氣凈化系統(tǒng)時，應(yīng)打開旁路閥門，并檢查閥門是否完全關(guān)閉后方可進(jìn)一步操作，同時應(yīng)注意防火、防爆及室內(nèi)通風(fēng)。

　　2) When cleaning the biogas purification system, the bypass valve should be opened and checked for complete closure before further operation. At the same time, attention should be paid to fire prevention, explosion prevention, and indoor ventilation.

　　3）如果安裝了可燃?xì)怏w警報器，需要定期地（每月）校驗。

　　3) If a combustible gas alarm is installed, it needs to be regularly (monthly) calibrated.

　　（八）沼氣發(fā)電機(jī)

　　（8） Biogas generator

　　1）沼氣發(fā)電機(jī)安全使用、維護(hù)，參照發(fā)電機(jī)廠家提供的說明書。

　　1) The safe use and maintenance of biogas generators should refer to the instructions provided by the generator manufacturer.

　　2）每天觀察并記錄供氣管道壓力表數(shù)值，以便檢查沼氣壓力是否滿足發(fā)電機(jī)要求（一般應(yīng)保持在2000帕以上）；觀察發(fā)電機(jī)運行過程中相應(yīng)的儀表參數(shù)是否正常。

　　2) Observe and record the pressure gauge value of the gas supply pipeline every day to check whether the biogas pressure meets the requirements of the generator (generally maintained above 2000 Pa); Observe whether the corresponding instrument parameters are normal during the operation of the generator.

　　（九）沼氣鍋爐 沼氣工程配備有沼氣壁掛爐或改裝的沼氣鍋爐的，運行管理、維護(hù)保養(yǎng)與安全操作等要求參照廠家提供的說明書。

　　（9） For biogas projects equipped with biogas wall mounted boilers or modified biogas boilers, the requirements for operation management, maintenance, and safe operation should refer to the instructions provided by the manufacturer.

　　（十）沼氣火炬 沼氣火炬的運行管理、維護(hù)保養(yǎng)與安全操作等要求參照廠家提供的說明書。

　　（10） The operation management, maintenance, and safe operation requirements of biogas torch refer to the instructions provided by the manufacturer.

　　（十一）沼氣管網(wǎng)

　　（11） Biogas pipeline network

　　1）沼氣管道或冷凝水收集器內(nèi)的冷凝水應(yīng)定期排放，排水時應(yīng)防止沼氣泄漏。運行中的沼氣管道的檢修和搶修工作，常是帶氣作業(yè)，因此，要嚴(yán)禁明火，戴好防毒面具。當(dāng)在沼氣管道帶氣操作時，沼氣壓力應(yīng)控制在200-800帕范圍之內(nèi)。帶氣操作時，必須兩人以上，溝槽上留一人觀察。

　　1) The condensate in the biogas pipeline or condensate collector should be discharged regularly, and the leakage of biogas should be prevented during drainage. The maintenance and repair work of biogas pipelines in operation is often carried out with gas, therefore, open flames are strictly prohibited and gas masks should be worn. When operating with gas in the biogas pipeline, the biogas pressure should be controlled within the range of 200-800 Pa. When operating with air, two or more people must be present, and one person must be left on the trench to observe.

　　2）對低壓沼氣管道每月至少兩次巡視，對閥井、底下構(gòu)筑物的定期預(yù)防檢查應(yīng)同時進(jìn)行。主要檢查閥井的完好程度，沿線凝水器定期排除以及其他地下設(shè)施被沼氣污染的程度。在閥井打開時，嚴(yán)禁吸煙、點火、使用非防爆燈等。

　　2) Low pressure biogas pipelines should be inspected at least twice a month, and regular preventive inspections of valve wells and underground structures should be conducted simultaneously. The main inspection is to check the integrity of the valve well, regularly discharge the condenser along the line, and assess the degree of biogas pollution to other underground facilities. Smoking, ignition, and the use of non explosion proof lamps are strictly prohibited when the valve well is opened.

　　3）沼氣管道日常維護(hù)管理的主要工作之一是管道的檢漏。可以根據(jù)沼氣味的濃淡程度，初步確定出一個大致的漏氣范圍，采用各種方法進(jìn)行查找。

　　3) One of the main tasks of daily maintenance and management of biogas pipelines is leak detection. A rough range of gas leakage can be determined based on the intensity of biogas odor, and various methods can be used to search for it.

　　4）巡查檢漏的周期、次數(shù)應(yīng)根據(jù)管道的運行壓力、管材、埋設(shè)年限、土質(zhì)、地下水位、道路的交通量以及以往的漏氣記錄等全面考慮后決定。巡查檢漏工作應(yīng)有專人負(fù)責(zé)、長年堅持、形成制度，除平時的檢漏外，每隔一定年限還應(yīng)有重點地、徹底地檢漏一次，檢漏方法可結(jié)合管道的具體情況適當(dāng)選定。

　　4) The cycle and frequency of inspection and leak detection should be determined after comprehensive consideration of the operating pressure, pipe material, burial period, soil quality, groundwater level, road traffic volume, and past leak records of the pipeline. The inspection and leak detection work should be carried out by a dedicated person, adhered to for a long time, and a system should be established. In addition to regular leak detection, a targeted and thorough leak detection should be conducted every certain period of time. The leak detection method can be selected appropriately based on the specific situation of the pipeline.

　　（十二）沼渣沼液貯存池1、運行管理

　　（12） Storage tank for sludge and slurry 1. Operation and management

　　1）操作人員應(yīng)每班巡回檢查、撈浮渣。

　　1) Operators should conduct patrol inspections and remove floating debris every shift.

　　2）清撈出的浮渣不得露天長期存放，應(yīng)運至沼渣干化場，待集中處理后用作有機(jī)肥基本原料。

　　2) The cleaned floating slag shall not be stored in the open air for a long time. It should be transported to the sludge drying plant and used as the basic raw material for organic fertilizer after centralized treatment.

　　3）正常運轉(zhuǎn)后根據(jù)具體情況定期排泥（渣），一般每三個月排渣一次。

　　3) After normal operation, sludge (slag) should be discharged regularly according to the specific situation, usually once every three months.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）連接貯存調(diào)節(jié)池的管道、溝渠應(yīng)定期清理。

　　1) The pipelines and ditches connecting the storage and regulation tank should be cleaned regularly.

　　2）貯存調(diào)節(jié)池應(yīng)每年放空、清理一次。

　　2) The storage regulating tank should be emptied and cleaned once a year.

　　3）排渣時應(yīng)檢查排渣閥門啟、閉狀態(tài)是否正常。寒冷地區(qū)應(yīng)設(shè)置防凍閥門井。

　　3) When discharging slag, check whether the opening and closing status of the slag discharge valve is normal. Antifreeze valve wells should be installed in cold regions.

　　3、安全操作

　　3. Safe operation

　　1）清撈浮渣、清掃堰口時，應(yīng)注意防滑。

　　1) When removing floating debris and cleaning the weir mouth, attention should be paid to anti slip.

　　2）防止沼液溢流。

　　2) Prevent the overflow of biogas slurry.

　　（十三）控制場所（室）

　　（13） Control location (room)

　　1、運行管理

　　1. Operation management

　　1）操作人員應(yīng)注意觀察各種設(shè)備或系統(tǒng)的控制信號是否正常，并進(jìn)行運行記錄，發(fā)現(xiàn)故障應(yīng)立即通知檢修人員或運行管理人員。

　　1) Operators should pay attention to observing whether the control signals of various equipment or systems are normal, and make operation records. If any faults are found, maintenance personnel or operation management personnel should be notified immediately.

　　2）按時巡視控制儀器和顯示記錄儀表，發(fā)現(xiàn)異常情況應(yīng)及時采取措施。

　　2) Regularly inspect control instruments and display recording instruments, and take timely measures if any abnormal situations are found.

　　3）各類檢測儀表的傳感器、變送器和轉(zhuǎn)換器均應(yīng)按要求清污除垢。

　　3) The sensors, transmitters, and converters of various detection instruments should be cleaned and scaled as required.

　　4）更換儀表時不得隨意變動已布設(shè)的檢測點。也不得隨意拆卸變送器和轉(zhuǎn)換器。

　　4) When replacing the instrument, it is not allowed to arbitrarily change the already set detection points. Do not disassemble the transmitter and converter at will.

　　2、維護(hù)保養(yǎng)

　　2. Maintenance and upkeep

　　1）控制屏的維護(hù)保養(yǎng)應(yīng)符合下列規(guī)定： a）應(yīng)保持控制屏內(nèi)清潔； b）接觸器、繼電器的接觸點應(yīng)定期檢查和更換，定期校驗程序控制系統(tǒng)； c）電纜終端的夾鉗應(yīng)定期檢查，保證接觸緊密和無銹蝕； d）維修工作結(jié)束后，應(yīng)保持電纜排列整齊，分類清楚。

　　1) The maintenance and upkeep of the control screen should comply with the following regulations: a) The interior of the control screen should be kept clean; b) The contact points of contactors and relays should be regularly inspected and replaced, and the program control system should be regularly calibrated; c) The clamp of the cable terminal should be inspected regularly to ensure tight contact and no rust; d) After the maintenance work is completed, the cables should be arranged neatly and classified clearly.

　　2） 儀器、儀表的保養(yǎng)應(yīng)符合下列規(guī)定： a）各部件清潔； b）表盤標(biāo)尺刻度清晰； c）銘牌、標(biāo)記、鉛封完好； d）定期檢查更換防潮劑。

　　2) The maintenance of instruments and meters should comply with the following regulations: a) Cleaning of all components; b) The dial ruler has clear markings; c) The nameplates, markings, and lead seals are intact; d) Regularly inspect and replace moisture-proof agents.

　　3）儀器儀表零部件的清洗應(yīng)符合下列規(guī)定： a）應(yīng)使用酒精、清洗劑、超聲波等進(jìn)行清洗； b）嚴(yán)禁使用對零部件有損害的清洗劑。

　　3) The cleaning of instrument components should comply with the following regulations: a) Alcohol, cleaning agents, ultrasonic waves, etc. should be used for cleaning; b) It is strictly prohibited to use cleaning agents that can damage components.

　　4） 儀器、儀表中各種元器件、探頭、轉(zhuǎn)換器等應(yīng)定期檢修。

　　4) Various components, probes, converters, etc. in instruments and meters should be regularly inspected.

　　5） 儀器、儀表的維修工作應(yīng)由專業(yè)技術(shù)人員負(fù)責(zé)。貴重儀器的維修應(yīng)與專業(yè)維修部門或生產(chǎn)廠家聯(lián)系處理，不得隨意拆卸。

　　5) The maintenance work of instruments and meters should be the responsibility of professional technicians. The maintenance of valuable instruments should be handled by contacting professional maintenance departments or manufacturers, and should not be dismantled arbitrarily.

　　6）列入國家強(qiáng)制檢定范圍的儀器、儀表，應(yīng)按時送技術(shù)監(jiān)督部門檢定。

　　6) Instruments and meters included in the scope of mandatory national verification should be sent to the technical supervision department for verification on time.

　　3、安全操作 1）非工作人員不得隨意進(jìn)入控制場所（室），控制場所（室）內(nèi)設(shè)備、儀器應(yīng)由專門人員負(fù)責(zé)操作。

　　3. Safe operation 1) Non staff members are not allowed to enter the control area (room) at will, and the equipment and instruments inside the control area (room) should be operated by specialized personnel.

　　2）檢修必須在設(shè)備斷電的情況下進(jìn)行，當(dāng)發(fā)現(xiàn)某個工序故障警報或設(shè)備因故障跳閘時，必須立即停機(jī)檢修，在排除故障后方可重新合閘。

　　2) Maintenance must be carried out when the equipment is powered off. When a fault alarm is detected in a certain process or the equipment trips due to a fault, the machine must be immediately shut down for maintenance. After the fault is eliminated, it can be reconnected.

　　3）應(yīng)保持控制場所（室）與各工序的聯(lián)系暢通。檢修時應(yīng)掛檢修牌明示。

　　3) Maintain smooth communication between the control area (room) and each process. During maintenance, maintenance signs should be hung to indicate.

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