High-temperature steam valve sealing performance pressure test platform

Abstract

The utility model relates to the technical field of valve pressure test equipment, in particular to a high-temperature steam valve leakproofness pressure test platform, which is used for heating a valve by arranging a fixing device and a heating device so as to conveniently simulate the performance of the valve under a high-temperature condition, and is used for testing the leakproofness of the valve by arranging a test device and using high-temperature and high-pressure nitrogen as a test medium. The simulation effect on steam is good; comprising a body; the device further comprises a testing device, a fixing device and a heating device, and the testing device, the fixing device and the heating device are all installed on the machine body. The machine body provides support, the testing device dries, pressurizes and cools a valve, the fixing device fixes the valve, and the heating device heats the valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve pressure test equipment, in particular to a high temperature steam valve leakproofness pressure test platform. BACKGROUND

[0002] A large number of valves are used in steam pipeline systems, and pressure test is needed for the valves to ensure the safety of the system.

[0003] The existing valve pressure test equipment, such as the Chinese utility model patent for a pressure test device with the authorization announcement number CN221224446U, is representative of one kind of prior art, which mainly includes a water storage tank, a vertical centrifugal pump and a pressure gauge. The water storage tank stores water, the vertical centrifugal pump transports water and provides pressure to the valve, and the pressure gauge displays the pressure inside the valve.

[0004] However, the existing technical equipment still has the following problems when in use: the existing machine lacks a warming device and cannot simulate the performance of the valve under high temperature conditions, and the existing machine uses water as the test medium, which has poor simulation effect on steam. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a high temperature steam valve leakproofness pressure test platform by setting a fixing device and a heating device to warm the valve, facilitate the simulation of the performance of the valve under high temperature conditions, and set a test device to use high temperature and high pressure nitrogen as the test medium, which has good simulation effect on steam.

[0006] The high temperature steam valve leakproofness pressure test platform of the utility model comprises a machine body; further comprises a test device, a fixing device and a heating device, and the test device, the fixing device and the heating device are all installed on the machine body; the machine body provides support, the test device dries, pressurizes and cools the valve, the fixing device fixes the valve, and the heating device heats the valve.

[0007] Preferably, the machine body comprises a plurality of support seats, a support one, two supports two, a support three, a support four, a support five, a support six and two supports seven, the support one is installed at the top end of the plurality of support seats, the two supports two, the support three, the support four and the support six are all installed at the top end of the support one, the support four is provided with an air vent one at the top end, the support four is provided with an air vent two at the right end, the support four is provided with a partition plate inside, the support five is covered on the left end of the support four, and the two supports seven are all installed on the support four and the support six; support is provided.

[0008] Preferably, the test device includes a pipeline filter, a support eight, an impeller pump one, a motor one, a pipeline one, a gas tank, a pipeline two, two one-way valves, a tee joint, an electric heater one, an impeller pump two, a motor two and a valve joint one, the pipeline filter is installed at the top of the two support two, the support eight is fixedly installed at the top of the support one, the impeller pump one is fixedly installed at the top of the support eight, and the impeller pump one is connected with the pipeline filter, the motor one is fixedly installed at the side end of the impeller pump one, and the motor one provides power for the impeller pump one, one end of the pipeline one is installed on the impeller pump one, the gas tank is fixedly installed in the support three, the other end of the pipeline one is installed at the top of the support three, one end of the pipeline two is installed at the top of the gas tank, one of the two one-way valves is installed on the pipeline two, and the tee joint is away from the gas tank, the other one-way valve is installed on the pipeline two, the electric heater one is sleeved on the pipeline two, the impeller pump two is fixedly installed at the internal ventilation opening two of the support four, and the other end of the pipeline two is connected with the impeller pump two, the motor two is fixedly installed at the side end of the impeller pump two, and the motor two provides power for the impeller pump two, and the valve joint one is fixedly installed at the external ventilation opening two of the support four; the motor one provides power to drive the impeller pump one to rotate, air is sucked into the gas tank through the pipeline filter and the pipeline one, and the pipeline filter filters the air, so that only dry nitrogen can enter the gas tank, the motor two provides power to drive the impeller pump two to rotate, dry nitrogen in the gas tank is sucked into the valve, and the valve is dried, pressurized and cooled, the one-way valve controls the nitrogen discharged from the motor two to be directly discharged to the outside, the nitrogen in the gas tank is kept pure, the electric heater one heats the pipeline two to increase the temperature of the nitrogen, and the valve is conveniently tested at high temperature and high pressure, and the valve joint one is connected with the valve.

[0009] Preferably, the fixing device includes a speed reducer, a motor three, a lead screw one, two lead screws one, a lead screw nut, a sliding block one and a valve joint two, the speed reducer is fixedly installed on the inner side wall of the support four, and the speed reducer is located at the bottom end of the partition plate of the support four, the motor three is fixedly installed at the side end of the speed reducer, the lead screw one is rotatably installed at the right end of the support four and the left end of the support six, and the lead screw one is rotatably connected between the support four and the speed reducer, the motor three provides power for the lead screw one through the speed reducer, the two lead screws one are fixedly installed at the right end of the support four and the left end of the support six, the lead screw nut is slidably sleeved on the lead screw one and is in threaded connection with the lead screw one, the sliding block one is slidably installed on the two lead screws one, and the lead screw nut is fixedly installed on the sliding block one, the sliding block one is in sliding connection with the two support seven, the valve joint two is fixedly installed on the top of the sliding block one, and the axis of the valve joint two is aligned with the axis of the valve joint one; the motor three provides power, the power is transmitted through the speed reducer, the lead screw one, the lead screw nut and the lead screw one, and drives the sliding block one to move left and right, so that valves with different lengths can be conveniently fixed.

[0010] Preferably, the top end of the support is further provided with a plurality of sliding grooves, the heating device comprises two sliding blocks two and two electric heaters two, the two sliding blocks two are oppositely and slidably installed at the top end of the plurality of sliding grooves of the support, the two electric heaters two are symmetrically installed on the two sliding blocks two, and the two electric heaters two are located between the two sliding blocks two; the electric heaters two heat to heat the valve, so that the valve is conveniently high-temperature tested.

[0011] Preferably, the top end of the support is further provided with an installation groove, the heating device comprises two sliding blocks two, two electric heaters two, a lead screw two, a rotating sleeve and two light rods two, the lead screw two and the two light rods two are rotatably installed in the installation groove of the support, the lead screw two is provided with reverse threads at front and rear ends, the rotating sleeve is rotatably installed at the front end of the support and fixedly connected between the support and the lead screw two, the two sliding blocks two are oppositely and slidably installed on the lead screw two and the two light rods two, and the two sliding blocks two are in threaded connection with the lead screw two, the two electric heaters two are symmetrically installed on the two sliding blocks two, and the two electric heaters two are located between the two sliding blocks two; the lead screw two is rotated to drive the electric heaters two to move close to or away from each other, so that the distance between the electric heaters two and the valve is conveniently controlled, the rotating sleeve is convenient for rotating the lead screw two, and the electric heaters two heat to heat the valve, so that the valve is conveniently high-temperature tested.

[0012] Compared with the prior art, the valve is heated, the performance of the valve under high-temperature conditions is conveniently simulated, and high-temperature and high-pressure nitrogen gas is used as the test medium, so that the simulation effect of steam is better. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the isometric structural schematic view of the embodiment 1 of the utility model, and

[0014] Figure 2 is the isometric structural schematic view of the embodiment 2 of the utility model, and

[0015] Figure 3 is the isometric structural schematic view of the fuselage, and

[0016] Figure 4 is the isometric structural schematic view of the test device, and

[0017] Figure 5 is the isometric sectional structural schematic view of the test device, and

[0018] Figure 6 is the isometric sectional structural schematic view of the fixing device, and

[0019] Figure 7 is the isometric structural schematic view of the heating device in the embodiment 1 of the utility model, and

[0020] Figure 8It is the axial measurement structure schematic view of the heating device in the embodiment 2 of the utility model.

[0021] Marked in the drawing: 01, fuselage; 11, support seat; 12, support one; 13, support two; 14, support three; 15, support four; 16, support five; 17, support six; 18, support seven; 02, test device; 21, pipeline filter membrane; 22, support eight; 23, impeller pump one; 24, motor one; 25, pipeline one; 26, gas tank; 27, pipeline two; 28, check valve; 29, tee joint; 30, electric heater one; 61, impeller pump two; 62, motor two; 63, valve joint one; 03, fixing device; 31, speed reducer; 32, motor three; 33, screw one; 34, light rod one; 35, screw nut; 36, sliding block one; 37, valve joint two; 04, heating device; 41, sliding block two; 42, electric heater two; 43, screw two; 44, rotating sleeve; 45, light rod two. DETAILED DESCRIPTION

[0022] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. EMBODIMENT

[0023] As Figure 1 shown, including fuselage 01;Still including test device 02, fixing device 03 and heating device 04, test device 02, fixing device 03 and heating device 04 are all installed on fuselage 01;Fuselage 01 provides support, test device 02 carries out drying, pressurization and cooling to valve, fixing device 03 fixes valve, and heating device 04 heats valve;

[0024] As Figure 3 shown, the fuselage 01 includes a plurality of support seats 11, support one 12, two support two 13, support three 14, support four 15, support five 16, support six 17 and two support seven 18, support one 12 is installed at the top of the plurality of support seats 11, two support two 13, support three 14, support four 15 and support six 17 are all installed at the top of support one 12, the top of support four 15 is provided with air vent one, the right end of support four 15 is provided with air vent two, the inside of support four 15 is provided with a partition plate, support five 16 is covered on the left end of support four 15, two support seven 18 are all installed on support four 15 and support six 17;

[0025] As Figure 4 and Figure 5As shown, the test apparatus 02 includes a pipe filter membrane 21, a support 8 22, an impeller pump 1 23, a motor 1 24, a pipe 1 25, a gas tank 26, a second pipe 27, two one-way valves 28, a three-way connector 29, an electric heater 1 30, an impeller pump 2 61, a motor 2 62, and a valve connector 1 63. The pipe filter membrane 21 is installed on the top of the two supports 2 13. The support 8 22 is fixedly installed on the top of the support 1 12. The impeller pump 1 23 is fixedly installed on the top of the support 8 22, and the impeller pump 1 23 and the pipe filter membrane 21 are connected. The motor 1 24 is fixedly installed on the side of the impeller pump 1 23 and provides power to the impeller pump 1 23. One end of the pipe 1 25 is installed on the impeller pump 1 23. The gas tank 26 is fixedly installed... In bracket 3 14, the other end of pipe 1 25 is installed at the top of bracket 3 14, one end of pipe 2 27 is installed at the top of gas tank 26, a one-way valve 28 and a three-way connector 29 are both connected and installed on pipe 2 27, and the three-way connector 29 is away from the gas tank 26 relative to the first one-way valve 28, the other one-way valve 28 is installed on pipe 2 27, electric heater 1 30 is fitted on pipe 2 27, impeller pump 2 61 is fixedly installed at the second vent inside bracket 4 15, and the other end of pipe 2 27 is connected to impeller pump 2 61, motor 2 62 is fixedly installed on the side of impeller pump 2 61, and motor 2 62 provides power to impeller pump 2 61, valve connector 1 63 is fixedly installed at the second vent outside bracket 4 15;

[0026] like Figure 6 As shown, the fixing device 03 includes a reducer 31, a motor 32, a lead screw 33, two guide rods 34, a lead screw nut 35, a slider 36, and a valve connector 37. The reducer 31 is fixedly installed on the inner side wall of the bracket 15, and the reducer 31 is located at the bottom end of the partition plate of the bracket 15. The motor 32 is fixedly installed on the side end of the reducer 31. The lead screw 33 is rotatably installed on the right end of the bracket 15 and the left end of the bracket 17, and the lead screw 33 passes through the bracket 15 and is rotatably connected to the reducer 31. The motor 32 is connected to the reducer. 31 provides power to lead screw 33. Two guide rods 34 are fixedly installed on the right end of bracket 4 15 and the left end of bracket 6 17. Lead screw nut 35 is slidably fitted on lead screw 33, and there is a threaded engagement between lead screw nut 35 and lead screw 33. Slider 36 is slidably installed on the two guide rods 34, and lead screw nut 35 is fixedly installed on slider 36. Slider 36 is slidably engaged with the two brackets 7 18. Valve connector 2 37 is fixedly installed on the top of slider 36, and the axis of valve connector 2 37 is aligned with that of valve connector 1 63.

[0027] like Figure 7As shown, the top end of the bracket one 12 is also provided with a plurality of sliding grooves, the heating device 04 includes two sliding blocks two 41 and two electric heaters two 42, the two sliding blocks two 41 are oppositely and slidably installed at the top end of the plurality of sliding grooves of the bracket one 12, the two electric heaters two 42 are symmetrically installed on the two sliding blocks two 41, and the two electric heaters two 42 are located between the two sliding blocks two 41;

[0028] First, open the motor one 24, the motor one 24 provides power to drive the impeller pump one 23 to operate to suck the air into the air tank 26 through the pipeline filter membrane 21 and the pipeline one 25, at the same time, the pipeline filter membrane 21 filters the air, so that only dry nitrogen can enter the air tank 26, after the air tank 26 is filled with a sufficient amount of nitrogen, the valve is connected to the valve connector one 63, at the same time, the motor two 62 and the electric heater one 30 are opened, the motor two 62 provides power to drive the impeller pump two 61 to operate to suck the dry nitrogen in the air tank 26 into the valve, the electric heater one 30 heats the pipeline two 27 to improve the temperature of the nitrogen and dry the valve, then the motor three 32 is opened, the motor three 32 provides power, which is transmitted through the speed reducer 31, the lead screw one 33, the lead screw nut 35 and the light screw one 34 to drive the sliding block one 36 to move left and right, which facilitates the fixation of valves of different lengths, the other end of the valve is connected to the valve connector two 37, then the nitrogen is continuously filled into the valve to test the valve under high pressure and high temperature, at the same time, the electric heater two 42 is pushed close to the valve, then the electric heater two 42 is opened, the electric heater two 42 generates heat to heat the valve, which facilitates the high temperature test of the valve, after the test is completed, the motor two 62 is reversed to reduce the pressure of the valve, then the valve and the valve connector two 37 are disconnected, the motor two 62 is turned on to cool the valve through a large amount of flowing nitrogen, which facilitates the operation of workers. Embodiment

[0029] As Figure 2 shown, it includes a fuselage 01; it also includes a test device 02, a fixing device 03 and a heating device 04, the test device 02, the fixing device 03 and the heating device 04 are all installed on the fuselage 01; the fuselage 01 provides support, the test device 02 dries, pressurizes and cools the valve, the fixing device 03 fixes the valve, and the heating device 04 heats the valve;

[0030] As Figure 3As shown, the fuselage 01 includes a plurality of support seat 11, bracket one 12, two bracket two 13, bracket three 14, bracket four 15, bracket five 16, bracket six 17 and two bracket seven 18, bracket one 12 is installed at the top of the plurality of support seat 11, two bracket two 13, bracket three 14, bracket four 15 and bracket six 17 are installed at the top of bracket one 12, bracket four 15 top end is provided with air port one, bracket four 15 right end is provided with air port two, bracket four 15 is provided with a partition plate inside, bracket five 16 cover is installed at the left end of bracket four 15, two bracket seven 18 are installed on bracket four 15 and bracket six 17;

[0031] As shown in Figure 4 and Figure 5 As shown, the test device 02 includes pipeline filter membrane 21, bracket eight 22, impeller pump one 23, motor one 24, pipeline one 25, gas tank 26, pipeline two 27, two one-way valve 28, three-way joint 29, electric heater one 30, impeller pump two 61, motor two 62 and valve joint one 63, pipeline filter membrane 21 is installed at the top of two bracket two 13, bracket eight 22 is fixedly installed at the top of bracket one 12, impeller pump one 23 is fixedly installed at the top of bracket eight 22, and the impeller pump one 23 and the pipeline filter membrane 21 are connected, motor one 24 is fixedly installed at the side end of impeller pump one 23, and the motor one 24 provides power to the impeller pump one 23, one end of pipeline one 25 is installed on the impeller pump one 23, the gas tank 26 is fixedly installed in the bracket three 14, the other end of the pipeline one 25 is installed at the top of the bracket three 14, one end of the pipeline two 27 is installed at the top of the gas tank 26, one of the one-way valve 28 and the three-way joint 29 are communicatedly installed on the pipeline two 27, and the three-way joint 29 is away from the gas tank 26 relative to the first one-way valve 28, the other one-way valve 28 is installed on the pipeline two 27, the electric heater one 30 is sleeved on the pipeline two 27, the impeller pump two 61 is fixedly installed at the internal air port two of the bracket four 15, and the other end of the pipeline two 27 and the impeller pump two 61 are connected, the motor two 62 is fixedly installed at the side end of the impeller pump two 61, and the motor two 62 provides power to the impeller pump two 61, the valve joint one 63 is fixedly installed at the external air port two of the bracket four 15;

[0032] As shown in Figure 6As shown, the fixing device 03 comprises a reducer 31, a motor three 32, a lead screw one 33, two light rods one 34, a lead screw nut 35, a sliding block one 36 and a valve connector two 37. The reducer 31 is fixedly installed on the inner side wall of the support four 15 and is located at the bottom end of the partition plate of the support four 15. The motor three 32 is fixedly installed at the side end of the reducer 31. The lead screw one 33 is rotatably installed at the right end of the support four 15 and the left end of the support six 17 and penetrates through the rotational connection between the support four 15 and the reducer 31. The motor three 32 provides power to the lead screw one 33 through the reducer 31. The two light rods one 34 are both fixedly installed at the right end of the support four 15 and the left end of the support six 17. The lead screw nut 35 is slidably sleeved on the lead screw one 33 and is in threaded connection with the lead screw one 33. The sliding block one 36 is slidably installed on the two light rods one 34 and is fixedly installed on the sliding block one 36. The sliding block one 36 is in sliding connection with the two supports seven 18. The valve connector two 37 is fixedly installed on the top of the sliding block one 36 and is in axial alignment with the valve connector one 63.

[0033] As shown, Figure 8 The support one 12 is provided with a mounting groove at the top end. The heating device 04 comprises two sliding blocks two 41, two electric heaters two 42, a lead screw two 43, a rotating sleeve 44 and two light rods two 45. The lead screw two 43 and the two light rods two 45 are rotatably installed in the mounting groove of the support one 12. The lead screw two 43 is provided with reverse threads at the front and rear ends. The rotating sleeve 44 is rotatably installed at the front end of the support one 12 and is fixedly connected between the support one 12 and the lead screw two 43. The two sliding blocks two 41 are slidably installed on the lead screw two 43 and the two light rods two 45 and are in threaded connection with the lead screw two 43. The two electric heaters two 42 are symmetrically installed on the two sliding blocks two 41 and are located between the two sliding blocks two 41.

[0034] First open the motor 24, motor 24 provides power, drive impeller pump 23 operation of the air through the pipeline filter membrane 21 and pipeline 25 into the air tank 26 inside, while the pipeline filter membrane 21 to the air filter, so that only dry nitrogen can enter the air tank 26, after the air tank 26 filled with sufficient amount of nitrogen, the valve connected to the valve connector 63, while opening the motor 62 and electric heater 30, motor 62 provides power, drive impeller pump 61 operation of the dry nitrogen tank 26 inside the valve, electric heater 30 on the pipeline 27 heating, improve the temperature of nitrogen, dry valve, then open the motor 32, motor 32 provides power, power transmission through the reducer 31, lead screw 33, lead screw nut 35 and light pole 34, drive the slider 36 left and right movement, convenient for different length of the valve is fixed, the other end of the valve connected to the valve connector 37, then make the nitrogen into the valve inside, high pressure and high temperature test on the valve, then rotate the lead screw 43, lead screw 43 rotation driven electric heater 42 close to or away from each other, convenient control electric heater 42 and the distance between the valve, rotate the sleeve 44 to facilitate the rotation of the lead screw 43, electric heater 42 heating valve heating, convenient for high temperature test on the valve, after the test, make the motor 62 reverse, make the valve pressure, then disconnect the valve and valve connector 37, make the motor 62 positive rotation, through a large number of flowing nitrogen valve cooling, convenient for workers to operate.

[0035] As Figures 1 to 8As shown, the high-temperature steam valve sealing pressure test platform of the utility model, in working, first open motor one 24, motor one 24 provides power, drives impeller pump one 23 rotation and makes air through pipeline filter membrane 21 and pipeline one 25 be sucked into the inside of gas tank 26, simultaneously, pipeline filter membrane 21 filters air, so that only dry nitrogen can enter gas tank 26, after gas tank 26 is filled with sufficient nitrogen, valve is connected to valve joint one 63, simultaneously, open motor two 62 and electric heater one 30, motor two 62 provides power, drives impeller pump two 61 rotation and makes the dry nitrogen in the inside of gas tank 26 be sucked into the inside of valve, electric heater one 30 heats pipeline two 27, improves nitrogen temperature, dries valve, then open motor three 32, motor three 32 provides power, power is transmitted through speed reducer 31, lead screw one 33, lead screw nut 35 and light lever one 34, drives slider one 36 left and right movement, conveniently fixes the valve of different length, connects the other end of valve to valve joint two 37, then makes nitrogen continuously fill in the inside of valve, carries out high pressure high temperature test to valve, then rotates lead screw two 43, lead screw two 43 rotation drives electric heater two 42 to approach or move away from each other, conveniently controls the distance between electric heater two 42 and valve, rotates sleeve 44 to conveniently rotate lead screw two 43, electric heater two 42 heats and heats valve, conveniently carries out high temperature test to valve, after test, makes motor two 62 reverse, makes valve decompression, then disconnects the connection of valve and valve joint two 37, makes motor two 62 positive rotation, carries out cooling to valve through a large number of flowing nitrogen, and it is convenient for worker to operate.

[0036] The pipeline filter membrane 21, the motor one 24, the two one-way valves 28, the electric heater one 30, the motor two 62, the motor three 32, the lead screw one 33, the lead screw nut 35, the two electric heater two 42 and the lead screw two 43 are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0037] The utility model discloses implement the main function is: through setting fixing device 03 and heating device 04, carry out warming to valve, convenient to simulate the performance of valve under high temperature condition, and through setting test device 02, use high temperature high pressure nitrogen as test medium, the simulation effect of steam is better, solve the current machine lacks the warming device, cannot simulate the performance of valve under high temperature condition, and the current machine uses water as test medium, and the simulation effect of steam is poor prior art problem.

[0038] The above only is the preferred implementation of the utility model, should point out, for the ordinary technical personnel of the prior art, on the premise of not departing from the technical principle of the utility model, can make a number of improvements and variations, these improvements and variations also should view as the protection range of the utility model.

Claims

1. A high-temperature steam valve sealing pressure test platform, comprising a fuselage (01); characterized in that, Also include test device (02), fixing device (03) and heating device (04), test device (02), fixing device (03) and heating device (04) are installed on the fuselage (01), the fuselage (01) provides support, test device (02) carries out drying, pressurization and cooling to the valve, fixing device (03) fixes the valve, and heating device (04) heats the valve.

2. The high temperature steam valve leak test platform of claim 1, wherein, The fuselage (01) includes a plurality of support seats (11), a bracket one (12), two bracket two (13), a bracket three (14), a bracket four (15), a bracket five (16), a bracket six (17) and two bracket seven (18), the bracket one (12) is installed at the top of the plurality of support seats (11), the two bracket two (13), the bracket three (14), the bracket four (15) and the bracket six (17) are all installed at the top of the bracket one (12), the bracket four (15) is provided with a vent one at the top, the bracket four (15) is provided with a vent two at the right end, the bracket four (15) is provided with a partition plate inside, the bracket five (16) is covered at the left end of the bracket four (15), and the two bracket seven (18) are all installed on the bracket four (15) and the bracket six (17).

3. A high temperature steam valve leak test platform as claimed in claim 2, wherein, The test device (02) includes a pipeline filter membrane (21), a bracket eight (22), an impeller pump one (23), a motor one (24), a pipeline one (25), a gas tank (26), a pipeline two (27), two one-way valves (28), a three-way joint (29), an electric heater one (30), an impeller pump two (61), a motor two (62) and a valve joint one (63), the pipeline filter membrane (21) is installed at the top of the two bracket two (13), the bracket eight (22) is fixedly installed at the top of the bracket one (12), the impeller pump one (23) is fixedly installed at the top of the bracket eight (22), and the impeller pump one (23) and the pipeline filter membrane (21) are connected in communication, the motor one (24) is fixedly installed at the side end of the impeller pump one (23), and the motor one (24) provides power to the impeller pump one (23), one end of the pipeline one (25) is installed on the impeller pump one (23), the gas tank (26) is fixedly installed in the bracket three (14), the other end of the pipeline one (25) is installed at the top of the bracket three (14), one end of the pipeline two (27) is installed at the top of the gas tank (26), one of the two one-way valves (28) and the three-way joint (29) are installed in communication on the pipeline two (27), and the three-way joint (29) is away from the gas tank (26) relative to the first one-way valve (28), the other one-way valve (28) is installed on the pipeline two (27), the electric heater one (30) is sleeved on the pipeline two (27), the impeller pump two (61) is fixedly installed at the ventilation opening two in the bracket four (15), and the other end of the pipeline two (27) and the impeller pump two (61) are connected in communication, the motor two (62) is fixedly installed at the side end of the impeller pump two (61), and the motor two (62) provides power to the impeller pump two (61), and the valve joint one (63) is fixedly installed at the ventilation opening two at the outer end of the bracket four (15).

4. The high temperature steam valve leak test platform of claim 3, wherein, The fixing device (03) includes a reducer (31), a motor three (32), a lead screw one (33), two light rods one (34), a lead screw nut (35), a sliding block one (36) and a valve joint two (37), the reducer (31) is fixedly installed on the inner side wall of the support four (15), and the reducer (31) is located at the bottom end of the partition plate of the support four (15), the motor three (32) is fixedly installed on the side end of the reducer (31), the lead screw one (33) is rotatably installed at the right end of the support four (15) and the left end of the support six (17), and the lead screw one (33) penetrates through the rotary connection between the support four (15) and the reducer (31), the motor three (32) provides power to the lead screw one (33) through the reducer (31), the two light rods one (34) are both fixedly installed at the right end of the support four (15) and the left end of the support six (17), the lead screw nut (35) is slidably sleeved on the lead screw one (33), and the lead screw nut (35) is in threaded connection with the lead screw one (33), the sliding block one (36) is slidably installed on the two light rods one (34), the lead screw nut (35) is fixedly installed on the sliding block one (36), and the sliding block one (36) is in sliding connection with the two supports seven (18), and the valve joint two (37) is fixedly installed on the top of the sliding block one (36), and the valve joint two (37) is in axial alignment with the valve joint one (63).

5. A high temperature steam valve leak test platform as claimed in claim 4, wherein, The top end of the support one (12) is also provided with a plurality of sliding grooves, and the heating device (04) comprises two sliding blocks two (41) and two electric heaters two (42), the two sliding blocks two (41) are slidably installed at the top ends of the plurality of sliding grooves of the support one (12), and the two electric heaters two (42) are symmetrically installed on the two sliding blocks two (41) and located between the two sliding blocks two (41).

6. A high temperature steam valve leak test platform as claimed in claim 5, wherein, The top end of the support one (12) is also provided with a mounting groove, and the heating device (04) comprises two sliding blocks two (41), two electric heaters two (42), a lead screw two (43), a rotating sleeve (44) and two light rods two (45), the lead screw two (43) and the two light rods two (45) are rotatably installed in the mounting groove of the support one (12), the lead screw two (43) is provided with reverse threads at the front and rear ends, the rotating sleeve (44) is rotatably installed at the front end of the support one (12), and the rotating sleeve (44) is fixedly connected between the support one (12) and the lead screw two (43), the two sliding blocks two (41) are slidably installed on the lead screw two (43) and the two light rods two (45), and the two sliding blocks two (41) are in threaded connection with the lead screw two (43), the two electric heaters two (42) are symmetrically installed on the two sliding blocks two (41) and located between the two sliding blocks two (41).

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