油气回收设备主要包括加油枪、油气回收同轴胶管、拉断阀、油气分离气液比调节阀、集中式真空泵、分散式真空泵、真空压力阀、油气回收控制台、卸油回气管线快速接头、浮球阀、压力真空阀。

　　The oil and gas recovery equipment mainly includes refueling guns, oil and gas recovery coaxial rubber hoses, break valves, oil and gas separation gas-liquid ratio regulating valves, centralized vacuum pumps, decentralized vacuum pumps, vacuum pressure valves, oil and gas recovery control consoles, quick couplings for oil and gas discharge and return pipelines, float valves, and pressure vacuum valves.

　　1加油枪加油枪常见故障主要包括油枪漏油:加油口漏油:吸气孔漏油:密封位置漏油:自封功能故障:部件损坏或磨损，如果是产品问题，就应更换新油枪，如果不是产品问题，则要返厂维修。

　　1. Common faults of fuel guns mainly include oil gun leakage: oil leakage at the fuel port, oil leakage at the suction hole, oil leakage at the sealing position, self sealing function failure, component damage or wear. If it is a product problem, a new fuel gun should be replaced. If it is not a product problem, it should be returned to the factory for repair.

　　加油枪在设计上与传统式油枪有些不同，其内部构造十分精密，日常使用维护要特别注意以下几点。1.加油枪要避免碰撞、敲击，仅需用干布擦拭，并经常保持清洁。2.加油后，在取出加油枪前应将加油枪稍微停留一下，使枪管内的残油流出，之后才把加油枪取出并挂枪，整个加油动作才算完成。若在加油后马上取出挂枪，尚有少许残油积存在枪管内，在下一次加油前，在枪管中就有油冒出，就会被误认为是油枪故障漏油。3.加油枪在加油时常发生太敏感的现象而跳停，可能是因枪管内有积油或枪管内0形圈被压破、硬化等情况，一般排除的方法只需对加油枪有简单的认识，皆可维修。将枪管取出，检查上下0形圈，清除积油即可。4.加油枪在加油时常发生加满油后油枪不自动跳停，一般原因是油料中有杂质或是空气中有沙微粒被风吹进枪管内，使得油枪体内中心顶杆的止逆阀或弹簧卡住，导致跳停功能失效。一般处理方法是将加油枪拆开，把薄膜、止逆阀、弹簧小心取出，用高压空气吹进枪管及油枪内部，清除内部杂质，再将各零件组装回去即可。

　　The design of the fuel gun is somewhat different from traditional fuel guns, and its internal structure is very precise. Special attention should be paid to the following points during daily use and maintenance. 1. The fuel gun should avoid collision and knocking, only use a dry cloth to wipe it, and keep it clean regularly. After refueling, the refueling gun should be slightly stopped before removing it to allow the residual oil in the barrel to flow out. Only then can the refueling gun be removed and hung, and the entire refueling action is considered complete. If the hanging gun is immediately removed after refueling and there is still a small amount of residual oil accumulated in the barrel, and oil will emerge from the barrel before the next refueling, it will be mistaken as a malfunction of the oil gun leaking oil. 3. When refueling, the refueling gun may experience excessive sensitivity and jump to a stop, which may be due to accumulated oil in the barrel or the O-ring inside the barrel being crushed or hardened. The general method of elimination is to have a simple understanding of the refueling gun, which can be repaired. Remove the gun barrel, check the upper and lower O-rings, and remove the accumulated oil. 4. When refueling, the fuel gun often fails to automatically stop after filling up. The general reason is that impurities in the fuel or sand particles in the air are blown into the barrel by the wind, causing the check valve or spring of the central top rod in the fuel gun body to get stuck, resulting in the failure of the stop function. The general method of handling is to disassemble the fuel gun, carefully remove the film, check valve, and spring, blow high-pressure air into the barrel and the inside of the fuel gun to remove internal impurities, and then assemble the various parts back together.

　　2油气回收胶管胶管常见故障包括胶管破损;活接磨损漏油;密封圈损坏，提枪跳数或油枪气孔跑油;气液比偏小。胶管故障处理方法可以采用更换胶管或拆开更换密封圈。如果是胶管气路积油，则要停加所有汽油油品，卸下油枪拉直胶管，将油液倒出。

　　2. Common faults of oil and gas recovery rubber hoses include hose damage; Wear and tear of the joint, oil leakage; The sealing ring is damaged, causing the gun to jump or the oil gun vent to leak oil; The gas-liquid ratio is relatively small. The troubleshooting method for rubber hoses can be to replace the hose or disassemble and replace the sealing ring. If there is oil accumulation in the hose air circuit, stop adding all gasoline products, remove the oil gun, straighten the hose, and pour out the oil.

　　3拉断阀油气回收系统中的拉断阀扮演着在外力作用下拉断时同时切断气路和油路的角色，拉断阀可重复使用。常见故障：1.受力拉脱断开,轴向拉断力大于140kg，拉断阀脱离2.不导电3.密封圈损坏,提枪跳数或油枪气孔跑油处理方法：1.正确对接恢复2.导电环脏污或损坏，拆开检修(需用专用卡簧钳)3.更换拉断阀或密封圈

　　The pull off valve in the oil and gas recovery system plays the role of simultaneously cutting off the air and oil paths when pulled off by external force, and the pull off valve can be reused. Common faults: 1. Force pull and disconnect, axial pull force greater than 140kg, pull valve detachment 2. Non conductive 3. Seal ring damaged, gun jumping or oil gun vent oil leakage Treatment methods: 1. Correct docking and restoration 2. Conductive ring dirty or damaged, disassembly and maintenance (special snap pliers are needed) 3. Replace the pull valve or seal ring

　　4油气分离气液比调节阀油气分离气液比调节阀的主要作用是分离油路和气路，根据液压推动力进行工作，自动调节二次油气回收系统中油气与油品流量的比例(气液比)。调节阀常见故障为脏污导致气液比不合格，可以采用清理脏污的方法予以处理。

　　The main function of the oil gas separation gas-liquid ratio regulating valve is to separate the oil and gas circuits, and work according to hydraulic driving force to automatically adjust the ratio of oil gas to oil flow rate (gas-liquid ratio) in the secondary oil and gas recovery system. The common malfunction of the regulating valve is that the gas-liquid ratio is not up to standard due to dirt, which can be treated by cleaning the dirt.

　　5真空回收泵擦拭除尘、除锈、除污渍，检查有无渗漏及其他异常，发现异常立即上报维修。

　　Wipe the vacuum recovery pump for dust removal, rust removal, and stain removal, check for leaks and other abnormalities, and immediately report any abnormalities for repair.

　　6压力真空阀每半年拆卸后进行维护，清理油污，除积尘，除锈。日常观察加油速度、卸油速度、油气排放是否正常，发现异常，立即上报维修。

　　6. The pressure vacuum valve should be disassembled and maintained every six months to clean oil stains, remove dust, and rust. Observe the refueling speed, unloading speed, and oil and gas emissions regularly, and report any abnormalities to maintenance immediately.

　　7卸油回气快速接头的使用维护检查内弹性密封盖是否启闭灵活，清理油污、除尘、检查密封圈，发现密封圈损坏后立即更换，卸油后立即上锁。

　　Use, maintenance, and inspection of the quick connector for oil discharge and gas return. Check whether the elastic sealing cover opens and closes flexibly, clean oil stains, remove dust, and inspect the sealing ring. If the sealing ring is damaged, replace it immediately and lock it immediately after oil discharge.

　　8浮球阀的使用维护假日检查有无渗漏，擦拭除尘，除锈、除污迹。

　　During holidays, check for leaks, wipe and remove dust, rust, and stains on the use and maintenance of the float valve.

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