油氣回收系統(tǒng)分段介紹

　　Segmented introduction of oil and gas recovery system

　?。?）卸油油氣回收系統(tǒng)（一次回收）

　　(1) Unloading oil and gas recovery system (primary recovery)

　　定義：將汽油油罐車(chē)卸油時(shí)產(chǎn)生的油氣回收至油罐車(chē)?yán)锏拿荛]油氣回收系統(tǒng)。

　　Definition: A closed oil and gas recovery system that recovers the oil and gas generated during the unloading of gasoline tank trucks into the tank trucks.

　　通過(guò)卸油油氣回收管線(xiàn)連接

　　Connect through unloading oil and gas recovery pipelines

　?、?gòu)挠推沸盾?chē)點(diǎn)埋地敷設(shè)一根油氣回收主管線(xiàn)與加油站的所有汽油儲(chǔ)油罐的氣相管道連通，油氣回收管線(xiàn)卸車(chē)側(cè)安裝截流閥、密封式快速接頭和帽蓋；

　?、?Lay an oil and gas recovery main pipeline underground from the oil unloading point and connect it to the gas phase pipelines of all gasoline storage tanks at the gas station. Install a shut-off valve, sealed quick connector, and cap on the unloading side of the oil and gas recovery pipeline;

　?、谄陀凸迌?nèi)部卸車(chē)管安裝防溢油閥。

　?、?Install an anti overflow valve on the unloading pipe inside the gasoline tank.

　?、蹚钠渲幸粋€(gè)汽油油罐出來(lái)一根通氣管在地上部分匯總為兩根通氣管。一根安裝球閥、頂部安裝一個(gè)機(jī)械呼吸閥；一根安裝球閥、頂部安裝一個(gè)防雨型阻火器。

　　③ A vent pipe coming out of one of the gasoline tanks is combined into two vent pipes on the ground. Install a ball valve and a mechanical breathing valve on the top; Install a ball valve and a rainproof flame arrester on the top.

　?。?）加油油氣回收系統(tǒng)（二次回收）

　　(2) Refueling oil and gas recovery system (secondary recovery)

　　定義：將給汽車(chē)油箱加汽油時(shí)產(chǎn)生的油氣，通過(guò)密閉方式收集進(jìn)入埋地油罐的系統(tǒng)（也稱(chēng)為二階段油氣回收）。

　　Definition: A system (also known as two-stage oil and gas recovery) that collects the oil and gas generated when adding gasoline to a car's fuel tank in a closed manner and enters a buried oil tank.

　　a）分散式回收系統(tǒng)

　　a) Distributed recycling system

　　分散式的真空泵一般分別設(shè)置于各臺(tái)加油機(jī)內(nèi)，通常采用渦輪葉片式真空泵連結(jié)一條與輸油管平行的油氣回收管線(xiàn)和地下儲(chǔ)油罐連結(jié)。當(dāng)油品輸出 時(shí)電機(jī)帶動(dòng)渦輪葉片式真空泵產(chǎn)生真空，進(jìn)而通過(guò)回收油槍達(dá)到回收車(chē)輛油箱內(nèi)揮發(fā)油氣的效果。

　　Distributed vacuum pumps are generally installed separately in each refueling machine, usually using turbine blade vacuum pumps to connect an oil and gas recovery pipeline parallel to the oil pipeline and an underground oil storage tank. When the oil is output, the motor drives the turbine blade vacuum pump to generate vacuum, which then recovers the volatile oil and gas in the vehicle's fuel tank through the oil recovery gun.

　　從各汽油加油機(jī)敷設(shè)加油油氣回收埋地管線(xiàn)，并匯總為一根管線(xiàn)至低標(biāo)號(hào)汽油儲(chǔ)罐，與其氣相連接。

　　Lay buried pipelines for refueling oil and gas recovery from various gasoline dispensers, and consolidate them into one pipeline to connect with low-grade gasoline storage tanks.

　　b）集中式回收系統(tǒng)

　　b) Centralized recycling system

　　集中式的真空泵設(shè)置于油氣回收管與地下儲(chǔ)油罐連接處，一般每個(gè)地下儲(chǔ)油罐設(shè)置1臺(tái)中央吸取式真空泵，從各汽油加油機(jī)敷設(shè)加油油氣回收埋地管線(xiàn)，并匯總為一根管線(xiàn)經(jīng)集中式真空泵至低標(biāo)號(hào)汽油儲(chǔ)罐，與其氣相連接。

　　A centralized vacuum pump is installed at the connection between the oil and gas recovery pipe and the underground oil storage tank. Generally, each underground oil storage tank is equipped with one central suction vacuum pump. The buried pipeline for refueling oil and gas recovery is laid from each gasoline refueling machine and summarized into one pipeline, which is connected to the low-grade gasoline storage tank through the centralized vacuum pump and connected to its gas phase.

　?。?）油氣排放處理裝置（三次回收）

　　(3) Oil and gas emission treatment device (tertiary recovery)

　　定義：針對(duì)加油油氣回收系統(tǒng)部分排放的油氣，通過(guò)采用吸附、吸收、冷凝、膜分離等方法對(duì)這部分排放的油氣進(jìn)行回收處理的裝置。

　　Definition: A device that uses adsorption, absorption, condensation, membrane separation, and other methods to recover and treat the partially discharged oil and gas from the refueling oil and gas recovery system.

　　油氣回收裝置（三次回收）的安裝及相應(yīng)的電纜敷設(shè)、控制器安裝。油氣回收裝置（三次回收）入口管線(xiàn)與高標(biāo)號(hào)汽油油罐氣相連接，出口管線(xiàn)及凝液回流管線(xiàn)與低標(biāo)號(hào)汽油儲(chǔ)罐氣相連接。

　　Installation of oil and gas recovery device (tertiary recovery) and corresponding cable laying, controller installation. The inlet pipeline of the oil and gas recovery device (tertiary recovery) is connected to the high-grade gasoline tank gas, and the outlet pipeline and condensate reflux pipeline are connected to the low-grade gasoline tank gas.

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