1、高純二氧化碳主要用于電子工業(yè)，用于配制其它特種混臺氣，在聚乙烯聚合反應中則用作調(diào)節(jié)劑。
2、固態(tài)二氧化碳廣泛用于冷藏百奶制品、肉類、冷凍食品和其它轉(zhuǎn)運中易的食品，在許多工業(yè)加工中作為冷凍劑。
3、氣態(tài)二氧化碳用于碳化軟度飲料、食品保存、化學和食品加工過程的惰性保護、焊接氣體、植物生長劑。
4、液體二氧化碳用作致冷劑，飛機、和電子部件的低溫試驗，提高油井采收率，問橡膠磨光以及控制化學反應，也可用作滅火劑。

常見故障的處理 Common fault handling
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1.內(nèi)罐壓力異常長高 Inner tank pressure abnormally high
1.1可能是V3回氣閥開度過大或閥門失靈，應減小閥門開度或檢修閥門。
May be V3 return valve opening is too large or valve failure, should reduce the valve opening or valve repair.
1.2可能是S1、S2安全閥失靈，到啟動壓力不啟動，應檢查安全閥。
may be S1, S2 safety valve failure, to start the pressure does not start, check the safety valve.
1.3可能是壓力表指示不準確，應校驗壓力表。
may be pressure gauge indicates inaccurate, should verify the pressure gauge.
2.液位計指示不真實 Level gauge instructions are not true
2.1可能是液位計失靈，應檢修液位計。
may be the level gauge failure, should be maintenance level gauge
2.2可能是液位計接頭處泄漏，應檢修接頭連接處，排除泄漏。
It may be a leak at the head of the liquid level gauge. It should repair the connection of the joint and eliminate the leakage
3.蒸發(fā)率高，外殼體凝水結霜 High evaporation rate, the outer shell condensate frost
3.1可能是珠光砂未填實或下沉，應補充珠光砂，重新抽真空。
may be unfilled or sinking of pearl sand, pearl sand should be added and re-evacuated.
3.2可能是真空度惡化，應進行真空檢漏，重新抽真空。
may be a deterioration of the vacuum, vacuum leak detection should be carried out, re-vacuum.
4.管道閥門液體流動不暢或堵塞 pipeline valve fluid flow or blocked
可能是液體二氧化碳形成干冰的原因造成，應停止使用，用熱空氣加溫管閥至暢通為止。May be caused by the formation of dry ice, should stop using, with hot air heating pipe valve until smooth.
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【標題】

維護與檢修 Maintenance and repair
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1.儲罐的使用與維護，應按“壓力容器安全技術監(jiān)察規(guī)程”要求和本說明進行。
The use and maintenance of the storage tank shall be carried out according to the requirements of the Pressure Vessel Safety Technical Supervision Regulations and these instructions
2.日常檢查與維護 Daily inspection and maintenance
儲罐在運行過程中，要經(jīng)常檢查安全閥、壓力表、液位計工作是否正常，閥門管路是否有泄漏，外部有無異?，F(xiàn)象，發(fā)現(xiàn)問題及時處理。
During operation of the tank, check the safety valve, pressure gauge and liquid level meter regularly, whether the valve line is leaking, whether there is any abnormal phenomenon outside, and find the problem to be handled in time.
3.定期校驗 Regular verification
3.1安全閥整定壓力不大于2.27Mpa，每年至少校驗一次，并加鉛封，作好記錄。
Safety valve setting pressure is not more than 2.27Mpa, at least once a year, and add seals, make a record.
3.2定期檢查夾層真空度，未裝低溫介質(zhì)的情況下真空度應低于65Pa，裝有低溫介質(zhì)的情況下，真空度應低于10Pa為合格。
Regularly check the sandwich vacuum, the vacuum should be less then 65Pa without vacuum medium; with a low temperature medium, the vacuum should be less than 10Pa for the pass.
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【標題】

儲罐的增壓 Tank pressurization
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當儲罐向外供液又需要穩(wěn)定排液壓力時，可利用汽化器（另外配備）進行增壓。其操作過程如下：
The carburetor (available separately) can be used for boosting when the reservoir is supplied externally and requires stable discharge pressure. The operation is as follows:
2.3.1開啟V2排液閥，使液體二氧化碳汽化器汽化，開啟V3回氣閥（根據(jù)用戶回氣管路的設置，V3回氣閥可置于常開狀態(tài)）從汽化器分流出來的氣體返回儲罐上部，使儲罐內(nèi)增壓。
Open the V2 drain valve to vaporize the liquid carbon dioxide vaporizer and open the V3 return valve (the V3 return valve can be normally open depending on the return air line of the user). The gas diverted from the vaporizer returns to the upper part of the tank , So that the pressure tank.
2.3.2當儲罐內(nèi)壓力達到2.1Mpa時，可暫時關閉V3回氣閥。
When the tank pressure reaches 2.1Mpa, the valve can be temporarily closed V3 return gas valve.
2.3.3排液過程中，可通過控制V3回氣閥的開度，使增壓能力維持在壓力穩(wěn)定的水平。
During drainage, the degree of pressurization can be maintained at a pressure-stable level by controlling the opening of the V3 return valve.
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