液體的儲存 liquid storage
液體二氧化碳的儲存屬于帶壓（壓力不低于0.8Mpa）儲存。儲存期間除壓力表、液位計(jì)、安全閥應(yīng)投入使用外，其他閥門應(yīng)處于關(guān)閉狀態(tài)。當(dāng)儲罐壓力超過2.1Mpa時(shí)，開啟V7排氣閥降壓。但應(yīng)注意：內(nèi)罐的壓力不得降至低于0.8Mpa，否則將引起液體二氧化碳轉(zhuǎn)變?yōu)楦杀?br>Liquid carbon dioxide storage with pressure (pressure not less than 0.8Mpa) storage. During the storage, the pressure gauge,level gauge, safety valve should be put into use, the other valves should be closed. When the tank pressure exceeds 2.1Mpa, open the V7 exhaust valve buck. However, it should be noted that the pressure inside the tank must not drop below 0.8Mpa, otherwise liquid carbon dioxide will be converted to dry ice.
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二氧化碳儲罐的結(jié)構(gòu)和安全特性
夾層封結(jié)后真空度規(guī)范為有效容積：小于等于10m3真空度≤ 2Pa大于10m3小于等于50m3真空度≤3Pa大于50m3小于等于100m3真空度≤
5Pa以精深的技能它作用主要是用來儲存：油田清洗機(jī)，液態(tài)二氧化碳(LCO2功能方面：絕熱資料選用熱態(tài)下的珠光砂充填夾層并抽真空。共同的填充技術(shù)，質(zhì)量保證許諾，以達(dá)到的絕熱作用。
為真空粉末絕熱型式低溫液態(tài)二氧化碳儲罐構(gòu)造為表里容器構(gòu)成的雙層容器。可分臥式和立式兩類，內(nèi)容器資料選 16MnDR外容器資料可根據(jù)用戶區(qū)域不一樣選 Q235-B或 16MnR內(nèi)、外容器夾層充填絕熱資料珠光砂并抽真空。
安全閥定時(shí)校驗(yàn)時(shí)可封閉一側(cè)，低溫液體二氧化碳儲罐選用 組合、安全體系閥”運(yùn)用兩組安全閥一起作業(yè)。另一側(cè)持續(xù)作業(yè)，保證儲罐的安全運(yùn)轉(zhuǎn)。

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 儲罐吹除置換干凈達(dá)到要求后，將充液管線與儲罐的充液接頭連接，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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儲罐的增壓 Tank pressurization
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當(dāng)儲罐向外供液又需要穩(wěn)定排液壓力時(shí)，可利用汽化器（另外配備）進(jìn)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(shè)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(dāng)儲罐內(nèi)壓力達(dá)到2.1Mpa時(shí)，可暫時(shí)關(guān)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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