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CN-224231193-U - Safety valve back pressure experimental device

CN224231193UCN 224231193 UCN224231193 UCN 224231193UCN-224231193-U

Abstract

The utility model relates to the field of safety valves, in particular to a back pressure experimental device of a safety valve, which comprises an air source meter frame, wherein an input pipe is arranged on the air source meter frame, one end of the input pipe is communicated with an air filtering pressure reducing valve, the other end of the input pipe is communicated with a manual ball valve, a pipeline is arranged on the manual ball valve and is communicated with a three-way joint, an output pipe is communicated with the three-way joint, a clamping fixture is communicated with the output pipe, a storage mechanism is arranged on the air source meter frame, the effect of convenient installation is achieved by arranging the clamping fixture, the manual ball valve and the air filtering pressure reducing valve, a tetrafluoro clamping fixture is fastened on an outlet flange of the safety valve by utilizing a U-shaped buckle, an independent air source is used, the air source pressure is regulated to a required pressure by the air filtering pressure reducing valve, an air source switch is controlled by the manual ball valve, the air source enters an outlet of the safety valve through the air source, soapy water is sprayed for leakage detection, the clamping difficulty and the safety risk are reduced, the installation time is shortened, the verification time and the labor cost of the safety valve are saved, and the working efficiency of the device is improved.

Inventors

  • YU HUIYUE
  • ZHAN HAIDONG
  • WANG JIANLIN
  • Ma Qianming
  • WANG ZHIYU

Assignees

  • 浙江鼎盛石化工程有限公司

Dates

Publication Date
20260512
Application Date
20250722

Claims (6)

  1. 1. The utility model provides a relief valve backpressure experimental apparatus, a serial communication port, including air supply table frame (100), be equipped with input tube (101) on air supply table frame (100), input tube (101) one end is linked together with air filtration relief pressure valve (102), the other end of input tube (101) communicates to manual ball valve (106), be equipped with pipeline intercommunication to three way connection (105) on manual ball valve (106), the last intercommunication of three way connection (105) has output tube (107), the last intercommunication of output tube (107) has mould (108), be equipped with storage mechanism (200) on air supply table frame (100), storage mechanism (200) are including the storage mould (108) and the placing assembly of instrument and the pipe winding subassembly of storage pipeline, be equipped with quick detach mechanism (300) that can quick assembly disassembly air filtration relief pressure valve (102) on air supply table frame (100).
  2. 2. The back pressure experimental device of the safety valve according to claim 1, wherein a precise pressure gauge (104) is arranged at the top of the air source gauge frame (100), a pressure gauge joint (103) is arranged on the precise pressure gauge (104), and a pipeline is arranged between the pressure gauge joint (103) and the three-way joint (105).
  3. 3. The safety valve back pressure experimental device according to claim 1, wherein the placement component comprises a first storage box (201), the first storage box (201) is arranged on the air source meter frame (100), and a placement table (208) is arranged in the first storage box (201).
  4. 4. A safety valve back pressure experimental device according to claim 3, characterized in that, around pipe assembly including second receiver (202) and around pipe pole (204), second receiver (202) are located on air supply table frame (100), second receiver (202) are located side by side with first receiver (201), around pipe pole (204) rotate locate on second receiver (202), one end around pipe pole (204) extends outside second receiver (202) and fixedly be equipped with swivel handle (203), be equipped with buffer rod (205) on the lateral wall that keeps away from swivel handle (203) in second receiver (202), be equipped with clamp plate (206) on buffer rod (205), clamp plate (206) cover is located around pipe pole (204), clamp plate (206) are equipped with a plurality of claw teeth (207).
  5. 5. The safety valve back pressure experimental device according to claim 1, wherein the quick-release mechanism (300) comprises a clamping plate (302), a shifting block (303) and a limiting block (307), a side plate (301) is arranged on the air source meter frame (100), a clamping groove (308) for clamping and installing the clamping plate (302) is formed in the side plate (301), limiting grooves (309) matched with the limiting block (307) are symmetrically formed in the clamping groove (308) along the central axis of the clamping plate (302), the clamping plate (302) is arranged on the air filtering pressure reducing valve (102), L-shaped movable grooves (304) are symmetrically formed in the clamping plate (302) along the central axis of the clamping plate (302), the shifting block (303) and the limiting block (307) are arranged in the movable grooves (304), guide grooves (310) are formed in the inner walls of the movable grooves (304), sliding blocks are matched with the sliding blocks in sliding mode, the sliding blocks are connected with the side wall pipelines of the shifting block (303), and springs (305) are arranged between the shifting block (303) and the inner walls of the movable grooves (304).
  6. 6. The safety valve back pressure experiment device according to claim 5, wherein a plurality of anti-slip strips (306) are arranged on the shifting block (303).

Description

Safety valve back pressure experimental device Technical Field The utility model relates to the technical field of safety valves, in particular to a back pressure experimental device of a safety valve. Background The back pressure experiment of the safety valve is mainly to clamp the flange of the outlet of the safety valve to an experiment table again after the setting pressure of the safety valve and the tightness experiment are finished, and open the experiment table for ventilation and pressure test. The safety valve of 25000 more than one petrochemical plants need annual check-up every year, and the flange of the outlet of the safety valve needs to be clamped to the check-up table when backpressure experiments are carried out, however, when the large-caliber safety valve is subjected to experiments, the clamping difficulty is high, the time is long, the safety risk is high, a large amount of labor cost is required to be consumed, and the working efficiency of the device is reduced. Disclosure of utility model To above-mentioned problem, provide a relief valve backpressure experimental apparatus, through setting up the mould, manual ball valve and air filtration relief pressure valve, utilize the U type to detain with mould fastening to relief valve export flange, the clamping is light and swift, adjust the air supply pressure to required pressure through air filtration relief pressure valve, through manual ball valve control air supply switch, the air supply passes through the air supply and gets into the relief valve export, spout soapy water and leak hunting, the reduction clamping degree of difficulty, shorten installation time, the clamping degree of difficulty of heavy-calibre relief valve is big has been solved, it is long to consume, the security risk is high, need consume a large amount of cost of labor, the problem of the work efficiency of device has been reduced. In order to solve the problems in the prior art, the utility model provides the following technical scheme: The utility model provides a relief valve backpressure experimental apparatus, including the air supply table frame, be equipped with the input tube on the air supply table frame, input tube one end is linked together with the air filtration relief pressure valve, the other end intercommunication of input tube is to manual ball valve, be equipped with pipeline intercommunication to three way connection on the manual ball valve, the intercommunication has the output tube on the three way connection, the intercommunication has the mould on the output tube, be equipped with storage mechanism on the air supply table frame, storage mechanism is including the subassembly of placing of storage mould and instrument and the pipe winding subassembly of storage pipeline, be equipped with the quick detach mechanism that can quick assembly disassembly air filtration relief pressure valve on the air supply table frame. Preferably, the top of the air source meter frame is provided with a precise pressure meter, the precise pressure meter is provided with a pressure meter connector, and a pipeline is arranged between the pressure meter connector and the three-way connector for communication. Preferably, the placing component comprises a first storage box, the first storage box is arranged on the air source meter frame, and a placing table is arranged in the first storage box. Preferably, the pipe winding assembly comprises a second storage box and a pipe winding rod, the second storage box is arranged on the air source meter frame, the second storage box is arranged side by side with the first storage box, the pipe winding rod is rotationally arranged on the second storage box, one end of the pipe winding rod extends out of the second storage box and is fixedly provided with a rotating handle, a buffer rod is arranged on the side wall, far away from the rotating handle, of the second storage box, a pressing plate is arranged on the buffer rod, the pressing plate is sleeved on the pipe winding rod, and a plurality of claw teeth are arranged on the pressing plate. Preferably, the quick detach mechanism includes joint board, shifting block and stopper, be equipped with the curb plate on the air supply table frame, offered the joint groove that supplies joint board joint installation on the curb plate, the limiting groove with stopper looks adaptation is offered along the axis symmetry of joint board in the joint groove, on the air filter relief pressure valve was located to the joint board, the removal groove of L type was offered along the axis symmetry of joint board on the joint board, in shifting block and stopper located the removal inslot, offered the guide way on the removal inslot wall, sliding fit has the slider in the guide way, the lateral wall pipe connection of slider and shifting block is equipped with the spring between shifting block and the removal inslot wall. Preferably, a plurality of anti-slip strips are arranged on the shif