液體的排放 liquid discharge
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2.4.1液體二氧化碳的正常排放是在儲(chǔ)罐增壓后，開啟V2排液閥，V3回氣閥，液體二氧化碳便流入汽化器汽化，供使用點(diǎn)使用。
The normal discharge of liquid carbon dioxide is after pressurization of the tank, open the V2 drain valve, V3 return valve, the liquid carbon dioxide will flow into the vaporizer vaporization for use point.
2.4.2為滿足排液過(guò)程的穩(wěn)定壓力，應(yīng)按“儲(chǔ)罐的增壓”操作方法進(jìn)行增壓。
In order to meet the steady pressure of the drainage process, it should be pressurized according to the method of "pressurized tank".
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1、高純二氧化碳主要用于電子工業(yè)，二氧化碳激光器、檢測(cè)儀器的校正氣及配制其它特種混臺(tái)氣，在聚乙烯聚合反應(yīng)中則用作調(diào)節(jié)劑。
2、固態(tài)二氧化碳廣泛用于冷藏奶制品、肉類、冷凍食品和其它轉(zhuǎn)運(yùn)中易的食品，在許多工業(yè)加工中作為冷凍劑，例如粉碎熱敏材料、橡膠磨光、金屬冷處理、機(jī)械零件的收縮裝配、真空冷阱等。
3、氣態(tài)二氧化碳用于碳化軟飲料、水處理工藝的pH控制、化學(xué)加工、食品保存、化學(xué)和食品加工過(guò)程的惰性保護(hù)、焊接氣體、植物生長(zhǎng)劑，在鑄造中用于硬化模和芯子及用于氣動(dòng)器件。
還應(yīng)用于殺菌氣的稀釋劑（即用氧化乙烯和二氧化碳的混臺(tái)氣作為殺菌、殺蟲劑、熏蒸劑，廣泛應(yīng)用于醫(yī)療器具、包裝材料、衣類、毛皮、工廠、文物、書籍的熏蒸）。
4、液體二氧化碳用作致冷劑，飛機(jī)、和電子部件的低溫試驗(yàn)，提高油井采收率，橡膠磨光以及控制化學(xué)反應(yīng)，也可用作滅火劑。
5、超臨界狀態(tài)的二氧化碳可以用作溶解非極性、非離子型和低分子量化合物的溶劑，所以在均相反應(yīng)中有廣泛應(yīng)用

維護(hù)與檢修 Maintenance and repair
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1.儲(chǔ)罐的使用與維護(hù)，應(yīng)按“壓力容器安全技術(shù)監(jiān)察規(guī)程”要求和本說(shuō)明進(jìn)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(hù) Daily inspection and maintenance
儲(chǔ)罐在運(yùn)行過(guò)程中，要經(jīng)常檢查安全閥、壓力表、液位計(jì)工作是否正常，閥門管路是否有泄漏，外部有無(wú)異?，F(xiàn)象，發(fā)現(xiàn)問題及時(shí)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(yàn) Regular verification
3.1安全閥整定壓力不大于2.27Mpa，每年至少校驗(yàn)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(yīng)低于65Pa，裝有低溫介質(zhì)的情況下，真空度應(yīng)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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充液的操作 filling operation
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充液分為充液和補(bǔ)充充液。
充液的操作如下：
Filling fluid is divided into the first filling and filling fluid.
The first filling operation is as follows:
2.1.1 儲(chǔ)罐吹除置換干凈達(dá)到要求后，將充液管線與儲(chǔ)罐的充液接頭連接，液位計(jì)組合閥處于平衡狀態(tài)準(zhǔn)備充液。
After the tank blows off to replace the cleanliness meets the requirements, the filling liquid line is connected with the liquid filling joint of the tank, and the liquid level gauge combination valve is in an equilibrium state to be filled.
2.1.2充入與液體二氧化碳純度相同的氣體，使罐內(nèi)壓力達(dá)到0.8 Mpa以上，方可進(jìn)行充液。 filled with the same purity of liquid carbon dioxide gas, the tank pressure reached 0.8 Mpa above, before filling.
2.1.3 將充液管線接通槽車，先開啟V5殘液閥，排出管線內(nèi)的雜質(zhì)氣體后，再開啟V1進(jìn)液閥和V7排氣閥，V8液位計(jì)組合閥處于全開狀態(tài)，顯示液位計(jì)讀數(shù)進(jìn)行充液。
The filling liquid line connected tanker, first open the V5 raffinate valve, exhaust gas impurities within the pipeline, and then open the V1 inlet valve and V7 exhaust valve, V8 level gauge combination valve is fully open state, Display level meter readings are filled.
2.1.4 在充液過(guò)程中，當(dāng)液位計(jì)指示液位接近標(biāo)定值時(shí)，可間斷開啟V4充滿指示閥，如有液體噴出，應(yīng)立即停止充液，關(guān)閉V4充滿指示閥。
During the filling process, when the liquid level gauge indicates the liquid level approaches the calibration value, the V4 may be intermittently opened to indicate the valve. If any liquid is ejected, liquid filling should be stopped immediately and the V4 valve should be closed.
2.1.5關(guān)閉V1進(jìn)液閥和V7排氣閥，打開V5殘液閥，拆下充液管線，充液結(jié)束。
補(bǔ)充充液的操作與充液的操作方法相似，不同點(diǎn)是補(bǔ)充充液時(shí)一開始就可以大量充液。
Close the V1 inlet valve and the V7 exhaust valve, open the V5 residual valve, remove the filling line, and fill with liquid.
The procedure for replenishing the priming solution is the same as for the first priming procedure, except that the priming solution can be replenished extensively from the beginning.
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