中壓水電解制氫設備系統翻譯-中英
第一節 制氫系統概況
一．系統的設備組成：
本工程中壓水電解制氫系統由氫氣發生干燥系統、氣體緩沖貯存系統、閉式循環冷卻系統、輔助系統及電氣控制系統等組成。
氫氣發生干燥系統由1臺中壓電解槽、1套氣液處理裝置、1套氫氣干燥裝置及相應管道、閥門、管件、儀表等組成；
氣體緩沖貯存系統由1套氫氣緩沖減壓裝置、3臺氫氣貯存罐、1臺儀用壓縮空氣貯存罐及相應管道、閥門、管件、儀表等組成；
閉式循環冷卻系統主要由1臺除鹽水箱、2臺循環水泵、2臺換熱器、1臺在線純水型電導率儀、1臺就地電控箱及相應管道、閥門、管件、儀表等組成；
輔助系統主要包括1臺原料水箱、1臺堿液箱、1臺注水泵及相應管道、閥門、管件、儀表等；
電氣控制系統包括整流變壓器、低壓配電柜、控制柜、上位機及檢測儀表等。
二．分系統的設備組成：
1．氣液處理裝置：
由分離器、洗滌器、冷卻器、堿液過濾器、壓力調整器、排水器、空氣過濾器、堿液循環泵、管路、閥門、管件及一次儀表等組成。
2．氫氣干燥裝置：
由吸附器、冷卻器、氣水分離器、管路、閥門、管件及儀表等組成。
3．氫氣緩沖減壓裝置：
由管路、閥門、減壓器、壓力開關、壓力表等組成。
4．除鹽水閉式循環冷卻裝置：
由1臺除鹽水箱、2臺循環水泵、2臺熱交換器、1只海水過濾器、1臺在線純水型電導率儀、1臺就地電控箱及相應管路、閥門、管件、儀表等組成。
三．系統儀表的作用和氫氣品質：
1．氫氣檢漏測定儀：用以檢測房間的氫含量，判斷設備漏氫點。氫氣檢漏測定儀應與事故風機聯鎖。當儀表檢測出氫氣濃度達到某一高值時，控制系統自動啟動排風裝置工作；當檢測出濃度已超過該高值，達到另一高值時，控制系統進行聲光報警。
2．氫氣濕度計：是測定氫氣質量標準的一個參數。
3．氫中氧分析儀：是測定氫氣質量標準的一個參數。
4．氧中氫分析儀：是測定氧氣質量標準的一個參數。
5．氫氣品質標準：
氫氣
純度(容積比%)：99.9%  溫度：400C
濕度：露點溫度－500C  絕對濕度：0.02912g/m3H2
氧氣
純度(容積比%)：99.2%  含濕量：4g/Nm3
第二節 設備的主要技術要求和規范
一．電解槽：
1．額定產氣量：氫氣：5Nm3/hr 氧氣：2.5Nm3/hr；
2．電解槽工作壓力為1.5  3.2MPa，產氫量應能在50%100%范圍內可調。
3．電解槽直流電耗應不超過4.8Kwh/(Nm3•H2)；
4．工作溫度：  900C
二．氣液處理裝置：
1．經該裝置處理后氧氣含濕量應不超過4g/Nm3，含堿量不超過1mg/Nm3，溫度不高于400C；
2．經該裝置處理后氣體品質：氫氣純度：99.9%  氧氣純度：99.2%；
3. Inspection of detergent dosing system:
●Inspect whether the motor and dosing pump is in a normal operation.
 ●The watering feeding vent and discharging vent of solution tank shall be tightness; the inlet and outlet vent of dosing pump shall be open before

operation.
●Dissolve the dosing materials:
A. Open the watering supply vent of solution tank, add water to 4/5 and slowly pour proper amount coagulant into the unit.
B. Start the mixer for stirring.
C. Open the watering supply vent and add the water to a required height.
D. Stop stirring after 20 minutes; open the outlet vent to discharge the solution to the gauge tank.
4. Inspection of PH value adjustment device:
●Inspect whether the motor and dosing pump is in a normal operation.
 ●The watering feeding vent and discharging vent of solution tank shall be tightness; the inlet and outlet vent of dosing pump shall be open before

operation.
● Dissolve the dosing materials:
A. Open the watering supply vent of solution tank, add water to 4/5 and slowly pour proper amount coagulant into the unit.
B. Start the mixer for stirring.
C. Open the watering supply vent and add the water to a required height; shut off mixer operation.
Section Four System operation
I. Startup, operation and maintenance of water pump:
1. Inspection before pump startup
●Clean the area around pump and motor; it is prohibited to pile up any miscellaneous articles or objects to affect the operation security of pump;
●The pump foundation shall be firmly fixed with nut; motor maintain good ground connection;
●The connection of pump components shall be tightly fixed, the stick coupling shall be operated under a normal condition;
●The oil level of bearing oil chamber shall be a normal level (in the center area of scale); the oil material is qualified;
●The outlet of water pump shall be closed; the inlet vent shall be opened;
 ●The insulating performance of water pump motor shall be perfect. Check the cooling water of pump and adjust the volume of cooling flow to the required

capacity.
2. Startup of water pump:
Press the startup button and take the following inspection: whether the ampere meter is normal, whether the pressure gauge has indication;
After the current and pressure is stable, slowly opens the outlet valve and adjust the pump to the required current capacity.
3. Operations and maintenance of water pump:
●The water pump and motor shall free of abnormal sound; the lubrication is good;
●The vibration of pump and motor shall not excess the standard value (3000 RPM; do not excess 0.05 mil);
●Generally, temperature of bearing shall not exceed 70℃; the motor temperature shall not exceed 65℃;
 ●Check lubricating oil level and oil material situation of the pump at regular interval, and change the oil according to the operating condition (The oil

 change work of oil insufficient and inferior oil during the operation of oil chamber shall comply with the regulation of "Security specification"). The

feeding oil of the pump of water treatment shall be # 30 or # 40 lubricating oil;
●Replace the backup pump according to the equipment replacement procedure;
4. Pump shut off:
●Close the outlet passage of pump;
●Press the pause button of pump and shut off the pump operation;.
 ●The room temperature shall not be lower than5℃ during the water pump shut down period; otherwise, it is required to discharge excess water in the pump

for preventing the cracks of pump body due to freezing.
II. The operation of sodium hypochlorite and flocculating agent dosing system:
1. The operation of sodium hypochlorite dosing system:
 Open the discharging valve and startup the metering pump of sodium hypochlorite, startup the dosing gate, close the discharging gate and start the dosing

process after discharge gate begins to flow; adjust the appropriate volume of dosing; check whether the swing of pressure gauge is normally.
2. Operation of flocculating agent dosing system:
 Open the discharging valve and startup the metering pump of flocculating agent, startup the dosing gate, close the discharging gate and start the dosing

process after discharge gate begins to flow; adjust the appropriate volume of dosing; check whether the swing of pressure gauge is normally.
III. Operation of filtering system:
1. Operation of multi-medium filter:
 Open the water gate and air valve; open the front flushing gate and close the air valve after the water flows from the air valve. Open the outlet passage

and close front flushing gate when water leakage turbidity is qualified and supply water to the activated charcoal filter.
2. Operation of activated charcoal filter:
 Open the water gate and air valve of activated charcoal filter; close the air valve for front flushing after the water flows from the air valve. Open the

outlet passage and close front flushing gate when water leakage turbidity is qualified and supply water to the security filter.
IV. Operation of sea water hyperfiltration system:
1. Operation of security filter:
Open the water inlet gate and lower discharging gate; close lower discharging gate when water leakage turbidity is qualified.
2. Operation of anionic detergent dosing system:
 Open the discharging valve and startup the metering pump of sodium hypochlorite, startup the dosing gate, close the discharging gate and start the dosing

process after discharge gate begins to flow; adjust the appropriate volume of dosing; check whether the swing of pressure gauge is normally.
3. Operation of sea water hyperfiltration system:
⑴. Low pressure flushing before startup
Open the electrical gate of high-pressure pump; start the low pressure flushing’ the flush time is about 15-20 minutes.
⑵.System startup:
●Open the water inlet and discharge outlet for certain period;
●Open the water inlet and discharge outlet; startup the energy recycle equipment for certain period;
●Open the water inlet; startup the energy recycling equipment; close discharge gate; ●Open water production discharging gate; startup the booster pump;
●Open the water inlet; startup the energy recycling equipment and water production discharging gate; startup the booster pump, high-pressure pump, anionic detergent dosing pump;
⑶.System operation: When water flow is qualified, close the discharging gate and the system run into operation;
⑷.System shut down:
●Open the discharging gate of water production;
●Open the discharging gate of fortified flow; shut down the operation of high-pressure pump;
●Close the water inlet gate; open the flushing gate; stop the energy recycling device; the booster pump and dosing pump of anionic detergent operates;
●Startup the flushing water pump for a while;
●Stop the flushing pump; close the flushing gate and discharging gate of the fortified flow and discharging gate of water production; the system changes to the backup mode;

2013.7.20