Analysis and Improvement of the Exhaust Pressure of Air Compressor Exhaust Pipeline in Oil and Gas Storage and Transportation Chen Jiangbo Han Zhenjiang Sinopec Pipeline Storage and Transportation Company Shengli Oil Transfer Company Chen Jiangbo Han Zhenjiang Air Compressor Exhaust Pipe Storage Pressure Analysis and Improvement Measures, Oil and Gas Storage Transportation, the storage pressure of the secondary cylinder and exhaust pipe of the air compressor caused serious damage to its components, which affected the safe operation of the heat medium furnace. By analyzing the cause of the failure, an improvement measure is proposed, that is, installing a set of venting and pressure relief system on the air compressor can effectively solve the problem of depositing pressure of the secondary cylinder and the exhaust pipe. The actual operating conditions indicate that the pressure relief system is installed. The number of air compressor failures after the air compressor is greatly reduced, which prolongs the service life of the equipment and ensures the safe operation of the heat medium furnace. Key words air compressor storage pressure problem analysis improvement measures a front æ›° æ›° æ›° Victory oil company Dongying first station used in the thermal medium indirect heating furnace introduced from the United States, fuel oil atomization is air atomization. Compressed air is supplied by an air compressor. The air compressed by the two stages of the air compressor enters the gas storage tank from the exhaust pipe, and is then supplied to the heat medium furnace in the form of atomizing wind and instrument wind. Two domestically produced one-type oil-free air compressors at the first station of Dongying (hereinafter referred to as air compressors are connected in parallel, one machine is running, one machine is used for standby). The second problem is that the amount of gas used in the operation of the heat medium furnace and the displacement of the air compressor cannot be absolutely equal, so the amount of exhaust gas is required to be adjusted within a certain range. The two domestic air compressors at the first station of Dongying adopt the adjustment method of cutting off the intake air to stop the suction, and the pressure regulator and the relief valve installed in the air inlet of the air compressor are used to complete the control of the pressure regulator. The gas tank is taken out. When the pressure of the gas tank reaches the upper limit of the pressure regulator, the high pressure gas enters the unloading valve through the pressure regulator, causing it to move upward to close the intake passage, and the air compressor stops inhaling and exhausting, and is in an idle state when storing gas. The tank pressure drops to the lower limit of the pressure regulator (0. The pressure regulator cuts off the gas supply to the relief valve, and under the action of the spring, the relief valve opens the intake passage downward, and the air compressor is reloaded. The trend of the first and second cylinder pressures during normal adjustment operation of the air compressor is shown in the figure. It can be seen from the figure that when the air compressor is under load, the pressure of the first-stage cylinder rises from moment to left, and the pressure of the second-stage cylinder rises slowly from the beginning. When the air compressor idling, the pressure of the first-stage cylinder is instantaneously reduced to the body flowing into the pipeline. Quick and smooth. The two-stage control valve is mainly applied to automatic valves such as solenoid valve electric valve pneumatic valve. Since the automatic valve responds extremely quickly to electricity, the opening and closing time is short and it is easy to cause water hammer. The use of two or more sections to control the shut-off valve allows the liquid to flow from one stop to a gradual process, greatly reducing the occurrence of water hammer. In fact, the automatic valve has the same function as the slow opening and closing manual valve, which can extend the opening and closing time and reduce the water hammer of the pipeline. The dual-function relief valve dual-pressure relief valve consists of a main regulator valve control valve accumulator and a monitor. The valve effectively controls the water hammer boost rate and has the function of limiting the monitoring point boost limit. The control principle is basically the same as that of the direct use of the buffer tank, except that the regulating valve can better control the flow of pressurized liquid into the buffer tank and the hydraulic pressure from the buffer tank to the pipeline when the water hammer is hit, and the buffer tank volume can be greatly reduced. The dual-function pressure relief valve can adjust the opening pressure of the valve to effectively prevent water hammer damage. It has been successfully applied to long-distance pipelines and process pipelines to ensure the safety of production operations. Date 1 Editor Zhang Yanjiao, Dongying City, Jining Road, Dongying City, Shandong Province, an oil and gas storage and transportation annual air compressor exhaust pipe storage pressure analysis and improvement measures Chen Jiangbo Han Zhenjiang Sinopec pipeline storage and transportation company Shengli oil company Chen Jiangbo Han Zhenjiang air pressure Analysis and improvement measures of the exhaust pressure of the exhaust pipe of the machine, oil and gas storage and transportation, and the storage pressure of the secondary cylinder and exhaust pipe of the air compressor cause serious damage to the components, which affects the safe operation of the heat medium furnace. By analyzing the cause of the failure, an improvement measure is proposed, that is, installing a set of venting and pressure relief system on the air compressor can effectively solve the problem of depositing pressure of the secondary cylinder and the exhaust pipe. The actual operating conditions indicate that the pressure relief system is installed. The number of air compressor failures after the air compressor is greatly reduced, which prolongs the service life of the equipment and ensures the safe operation of the heat medium furnace. Key words air compressor storage pressure problem analysis improvement measures a front æ›° æ›° æ›° Victory oil company Dongying first station used in the thermal medium indirect heating furnace introduced from the United States, fuel oil atomization is air atomization. Compressed air is supplied by an air compressor. The air compressed by the two stages of the air compressor enters the gas storage tank from the exhaust pipe, and is then supplied to the heat medium furnace in the form of atomizing wind and instrument wind. Two domestically produced one-type oil-free air compressors at the first station of Dongying (hereinafter referred to as air compressors are connected in parallel, one machine is running, one machine is used for standby). The second problem is that the amount of gas used in the operation of the heat medium furnace and the displacement of the air compressor cannot be absolutely equal, so the amount of exhaust gas is required to be adjusted within a certain range. The two domestic air compressors at the first station of Dongying adopt the adjustment method of cutting off the intake air to stop the suction, and the pressure regulator and the relief valve installed in the air inlet of the air compressor are used to complete the control of the pressure regulator. The gas tank is taken out. When the pressure of the gas tank reaches the upper limit of the pressure regulator, the high pressure gas enters the unloading valve through the pressure regulator, causing it to move upward to close the intake passage, and the air compressor stops inhaling and exhausting, and is in an idle state when storing gas. The tank pressure drops to the lower limit of the pressure regulator (0. The pressure regulator cuts off the gas supply to the relief valve, and under the action of the spring, the relief valve opens the intake passage downward, and the air compressor is reloaded. The trend of the first and second cylinder pressures during normal adjustment operation of the air compressor is shown in the figure. It can be seen from the figure that when the air compressor is under load, the pressure of the first-stage cylinder rises from moment to left, and the pressure of the second-stage cylinder rises slowly from the beginning. When the air compressor idling, the pressure of the first-stage cylinder is instantaneously reduced to the body flowing into the pipeline. Quick and smooth. The two-stage control valve is mainly applied to automatic valves such as solenoid valve electric valve pneumatic valve. Since the automatic valve responds extremely quickly to electricity, the opening and closing time is short and it is easy to cause water hammer. The use of two or more sections to control the shut-off valve allows the liquid to flow from one stop to a gradual process, greatly reducing the occurrence of water hammer. In fact, the automatic valve has the same function as the slow opening and closing manual valve, which can extend the opening and closing time and reduce the water hammer of the pipeline. The dual-function relief valve dual-pressure relief valve consists of a main regulator valve control valve accumulator and a monitor. The valve effectively controls the water hammer boost rate and has the function of limiting the monitoring point boost limit. The control principle is basically the same as that of the direct use of the buffer tank, except that the regulating valve can better control the flow of pressurized liquid into the buffer tank and the hydraulic pressure from the buffer tank to the pipeline when the water hammer is hit, and the buffer tank volume can be greatly reduced. The dual-function pressure relief valve can adjust the opening pressure of the valve to effectively prevent water hammer damage. It has been successfully applied to long-distance pipelines and process pipelines to ensure the safety of production operations. Date 1 editor Zhang Yanjiao, Jining Road, Dongying City, Shandong Province, a phone call, a bite, a bite, a stare
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