CN216900001U - Gas cylinder water pressure detection system - Google Patents
Gas cylinder water pressure detection system Download PDFInfo
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- CN216900001U CN216900001U CN202220126562.0U CN202220126562U CN216900001U CN 216900001 U CN216900001 U CN 216900001U CN 202220126562 U CN202220126562 U CN 202220126562U CN 216900001 U CN216900001 U CN 216900001U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a water pressure detection system for a gas cylinder, and aims to provide a detection system which can simplify pipeline connection and improve sealing performance. In an air inlet/exhaust unit of the detection system, an air path interface of an air/water double-channel joint is connected with a first interface of a high-pressure through filter through an air path, a second interface of the high-pressure through filter is connected with a first interface of an air inlet/exhaust valve, a second interface of the air inlet/exhaust valve is connected with a third interface of an air inlet/exhaust three-way control valve, the second interface of the air inlet/exhaust three-way control valve is communicated with a water return pool, and the first interface is connected with a compressed air outlet through an air control valve; in the water injection/drainage unit of the system, a first interface of a water injection/drainage valve is connected with a waterway interface of a gas/water double-channel joint through a waterway, a second interface of the water injection/drainage valve is connected with a third interface of a water injection/drainage three-way control valve, and the first interface of the water injection/drainage three-way control valve is communicated with a water storage tank through a water pump. The system has simple pipeline and high system reliability.
Description
Technical Field
The utility model relates to the technical field of safety detection of liquefied petroleum gas cylinders, in particular to a gas cylinder water pressure detection system.
Background
Because of the high risk of the liquefied petroleum gas in the middle-high pressure gas cylinder in the using process, the requirement on the pressure bearing capacity of a container for containing the liquefied petroleum gas in the middle-high pressure gas cylinder, namely the liquefied petroleum gas cylinder, is higher. In the preparation process of the liquefied petroleum gas cylinder, in order to ensure the use safety of the gas cylinder and avoid potential safety hazards, the gas cylinder needs to be subjected to water pressure detection.
At present, the test pipeline that gas cylinder water pressure detected is divided into water injection pipeline, drain line, gas charging line and exhaust pipe, and the water injection pipeline passes through the water injection valve control, and drain line passes through the drain valve control, and the gas charging line passes through the gas charging valve control, and exhaust pipe passes through discharge valve control, and the tube coupling is complicated like this, and the components and parts that need are more, has increased investment cost.
In addition, because some sundries often exist in the gas cylinder, in the exhaust process, the sundries in the gas cylinder can cause gas circuit blockage on one hand, and on the other hand, the sundries in the gas cylinder enter the gas valve through the exhaust pipeline and remain at the sealing position of the valve body, and when the gas valve is closed, the valve port can be injured, so that the sealing is not tight, the sealing effect is influenced, and the reliability of the detection result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas cylinder water pressure detection system which can simplify the pipeline connection, improve the sealing performance and is beneficial to improving the reliability of the detection result, aiming at the technical defects in the prior art.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
a gas cylinder water pressure detection system comprises a gas/water double-channel joint, a water return pool, a pressurization residual water storage box arranged on an electronic scale, a pressurization unit, an air inlet/exhaust unit, an injection/drainage unit and a pressure relief water return path;
the pressurization unit is used for sending water in the pressurization residual change water storage box into the gas cylinder to realize quick pressurization and slow pressurization of the gas cylinder; the pressure relief water return path is used for introducing fluid generated in the pressure relief process into the pressurization residual water storage box, and a pressure relief valve is arranged on the pressure relief water return path;
the air inlet/exhaust unit comprises a high-pressure straight-through filter, an air inlet/exhaust valve, an air inlet/exhaust three-way control valve, a blow-off valve and an air control valve; the gas path interface of the gas/water double-channel joint is connected with the first interface of the high-pressure through filter through a gas path, the second interface of the high-pressure through filter is connected with the first interface of the gas inlet/outlet valve, the second interface of the gas inlet/outlet valve is connected with the third interface of the gas inlet/outlet three-way control valve, the second interface of the gas inlet/outlet three-way control valve is communicated with the water return tank, one path of the first interface of the gas inlet/outlet three-way control valve is connected with a compressed air outlet through the gas control valve, and the other path of the first interface of the gas inlet/outlet three-way control valve is connected with the bleeding valve;
the water injection/drainage unit comprises a water injection/drainage valve, a water injection/drainage three-way control valve, a water pump, a water storage tank and the water return tank, wherein a first interface of the water injection/drainage valve is connected with a waterway interface of the air/water double-channel joint through a waterway, a second interface of the water injection/drainage valve is connected with a third interface of the water injection/drainage three-way control valve, and the first interface of the water injection/drainage three-way control valve is communicated with the water storage tank through the water pump; a second interface of the water injection/drainage three-way control valve is communicated with the water return pool;
the water injection/drainage three-way control valve and the air inlet/exhaust three-way control valve are pneumatic three-way angle seat valves;
in the water injection process, a first interface of the water injection/drainage three-way control valve is communicated with a third interface, and a second interface of the air inlet/exhaust three-way control valve is communicated with the third interface; the water in the water storage pool enters the gas cylinder through the water pump, the water injection/drainage three-way control valve, the water injection/drainage valve and the waterway interface of the gas/water two-channel joint; meanwhile, gas in the gas cylinder is discharged into the water return pool through a gas path interface of the gas/water double-channel joint, a high-pressure straight-through filter, a gas inlet/outlet valve and a gas inlet/outlet three-way control valve;
in the drainage process, the second interface of the water injection/drainage three-way control valve is communicated with the third interface, and the first interface of the air inlet/exhaust three-way control valve is communicated with the third interface; compressed air enters the gas cylinder through the air inlet/exhaust three-way control valve, the air inlet/exhaust valve, the high-pressure straight-through filter and the gas path interface of the gas/water two-channel joint, and meanwhile, water in the gas cylinder is discharged into the water return pool through the water path interface of the gas/water two-channel joint, the water injection/drainage valve and the water injection/drainage three-way control valve under the action of the compressed air;
and after the detection is finished, after the air/water double-channel joint and the air bottle are completely separated, the first interface and the third interface of the air inlet/exhaust three-way control valve are communicated, and compressed air enters the high-pressure straight-through filter through the air control valve, the air inlet/exhaust three-way control valve and the air inlet/exhaust valve to purge the high-pressure straight-through filter.
The high-pressure straight-through filter comprises a hollow shell, wherein two ends of the shell are respectively provided with a connecting interface and a first interface of the high-pressure straight-through filter, a high-pressure filter element is arranged in the shell and fixed on a filter element connecting piece, the inner wall of one end of the filter connecting piece is in threaded connection with the filter element connecting piece, the outer wall of one end of the filter connecting piece is in threaded connection with the connecting interface of the shell, and the other end of the filter connecting piece is used as a second interface of the high-pressure straight-through filter.
The water replenishing device comprises a water replenishing unit, wherein the water replenishing unit is used for replenishing water in the water storage tank into the supercharging residual water storage box.
The pneumatic three-way angle seat valve comprises an upper valve body and a lower valve body, wherein a first inlet and a second inlet are formed in the upper valve body, a piston is arranged inside the upper valve body, and the piston is connected with the upper end of a valve rod; the lower valve body is provided with a first interface, a second interface and a third interface, a shunt port is arranged between the second interface and the third interface, and the lower end of the valve rod penetrates through the upper valve body, the shunt port and the lower valve body to be connected with the valve core; when the first inlet is ventilated, the piston drives the valve core to seal the first interface through the valve rod, and the second interface is communicated with the third interface through the flow dividing port; when the second inlet is ventilated, the piston drives the valve core to seal the flow dividing port through the valve rod, and the first port is communicated with the third port.
The supercharging unit comprises a supercharging pump, one end of the supercharging pump is connected with a water path interface of the air/water double-channel joint through a supercharging pipeline and a one-way stop valve, and the other end of the supercharging pump is communicated with the supercharging residual change water storage box through a connecting pipeline; and a safety pressure relief valve is arranged on the pressure increasing pipeline.
And a water outlet of the water return tank is communicated with the filtering tank through water treatment equipment.
The water replenishing unit comprises a pressure reducing valve, a water replenishing control valve and the water pump, and the water pump is communicated with the supercharging residual water storage box through the water replenishing control valve and the pressure reducing valve.
And a pressure transmitter, a temperature sensor and a pressure gauge are arranged on the water path interface pipe of the gas/water double-channel joint, and a barometer is arranged on the gas path interface pipe of the gas/water double-channel joint.
Compared with the prior art, the utility model has the beneficial effects that:
1. the gas cylinder water pressure detection system adopts the one-by-two water injection/drainage unit to integrate the water inlet pipeline and the drainage management into one, and adopts the one-by-two air inlet/exhaust unit to integrate the air inlet pipeline and the exhaust pipeline into one, thereby reducing components of the pipelines, simplifying the equipment structure and being beneficial to reducing the product cost.
2. According to the gas cylinder water pressure detection system, the high-pressure straight-through filter is additionally arranged, so that impurities in the gas cylinder cannot block a gas circuit when the gas cylinder flows back, smoothness of a pipeline is guaranteed, meanwhile, the influence of the impurities in the gas cylinder remaining at the sealing position of the valve body on the sealing effect can be avoided, the sealing effect is improved, and the reliability of the detection result is favorably guaranteed.
Drawings
FIG. 1 is a schematic diagram of a gas cylinder water pressure detection system of the present invention;
FIG. 2 is a schematic structural view of a high pressure straight through filter valve;
FIG. 3 is a schematic view of a pneumatic three-way angle seat valve in a first state;
fig. 4 is a schematic view of the pneumatic three-way angle seat valve in a second state.
Detailed Description
The utility model is described in detail below with reference to the figures and specific examples.
The gas cylinder water pressure detection system of the utility model is shown in a schematic diagram of fig. 1 and comprises a gas/water double-channel joint 1, a water return tank 2, a pressurization residual-variable water storage box 3 arranged on an electronic scale 26, a pressurization unit, an air inlet/exhaust unit, an injection/drainage unit and a pressure relief water return path A.
The pressurizing unit is used for sending water in the pressurizing residual water storage box 3 into the gas cylinder 13 to realize rapid pressurization and slow pressurization of the gas cylinder. The pressure relief water return path A is used for introducing fluid generated in the pressure relief process into the pressurization residual water storage box 3, and a pressure relief valve 20 is arranged on the pressure relief water return path A.
The air inlet/exhaust unit comprises a high-pressure straight-through filter 6, an air inlet/exhaust valve 4, an air inlet/exhaust three-way control valve 5, a blow-off valve 7 and an air control valve 8; the air path interface of the air/water double-channel joint 1 is connected with the first interface of the high-pressure through filter 6 through an air path, the second interface of the high-pressure through filter 6 is connected with the first interface of the air inlet/outlet valve 4, the second interface of the air inlet/outlet valve 4 is connected with the third interface of the air inlet/outlet three-way control valve 5, the second interface of the air inlet/outlet three-way control valve 5 is communicated with the water return pool 2, one path of the first interface of the air inlet/outlet three-way control valve 5 is connected with a compressed air outlet through the air control valve 8, and the other path of the first interface is connected with the bleeding valve 7.
The water injection/drainage unit comprises a water injection/drainage valve 9, a three-way water injection/drainage control valve 10, a water pump 11, a water storage tank 12 and a water return tank 2, wherein a first interface of the water injection/drainage valve 9 is connected with a waterway interface of the air/water double-channel joint 1 through a waterway, a second interface of the water injection/drainage valve 9 is connected with a third interface of the three-way water injection/drainage control valve, and a first interface of the three-way water injection/drainage control valve 10 is communicated with the water storage tank 12 through the water pump 11; and a second interface of the water injection/drainage three-way control valve 10 is communicated with the water return pool 2.
In order to reduce components of the pipeline, the water injection/drainage three-way control valve 10 and the air inlet/exhaust three-way control valve 5 are pneumatic three-way angle seat valves.
In the water injection process, a first interface of the three-way control valve 10 for water injection/drainage is communicated with a third interface, and a second interface of the three-way control valve 5 for air inlet/exhaust is communicated with the third interface. The water in the water storage tank 12 enters the gas cylinder through the water pump 11, the water injection/drainage three-way control valve 10, the water injection/drainage valve 9 and the waterway interface of the gas/water two-channel joint 1; meanwhile, gas in the gas cylinder is discharged into the water return pool 2 through a gas path interface of the gas/water double-channel joint 1, the high-pressure straight-through filter 6, the gas inlet/outlet valve 4 and the gas inlet/outlet three-way control valve 5.
In the drainage process, the second interface of the water injection/drainage three-way control valve 10 is communicated with the third interface, and the first interface of the air inlet/exhaust three-way control valve 5 is communicated with the third interface; compressed air enters the gas cylinder through the air inlet/outlet three-way control valve 5, the air inlet/outlet valve 4, the high-pressure straight-through filter 6 and the air path interface of the air/water two-channel joint 1, and meanwhile, water in the gas cylinder is discharged into the water return pool 2 through the water path interface of the air/water two-channel joint 1, the water injection/drainage valve 9 and the water injection/drainage three-way control valve 10 under the action of the compressed air.
After the detection is finished, after the air/water double-channel joint 1 and the air bottle 13 are completely separated, the first interface and the third interface of the air inlet/exhaust three-way control valve 5 are communicated, compressed air enters the high-pressure straight-through filter 6 through the air control valve 8, the air inlet/exhaust three-way control valve 5 and the air inlet/exhaust valve 4 to blow the high-pressure straight-through filter, and residual impurities are blown off.
In this embodiment, the schematic diagram of the high-pressure straight-through filter includes a hollow casing 6-1 as shown in fig. 2, two ends of the casing 6-1 are respectively provided with a connection interface and a first interface 6-5 of the high-pressure straight-through filter, a high-pressure filter element 6-2 is arranged in the casing 6-1, the high-pressure filter element 6-2 is fixed on a filter element connector 6-3, an inner wall of one end of the filter connector 6-4 is in threaded connection with the filter element connector, an outer wall of the one end of the filter connector is in threaded connection with the connection interface of the casing, and the other end of the filter connector serves as a second interface 6-6 of the high-pressure straight-through filter. And fluid passages communicated with each other are arranged at the centers of the filter element connecting piece 6-3 and the filter connecting piece 6-4. The filtering precision of the high-pressure filter element 6-2 can be 60 meshes.
In order to replenish water to the water storage box of the supercharging residual transformer, the water replenishing device further comprises a water replenishing unit, and the water replenishing unit is used for replenishing water in the water storage tank 12 to the water storage box 3 of the supercharging residual transformer. In this embodiment, the water replenishing unit includes a pressure reducing valve 15, a water replenishing control valve 19, and the water pump 11 is communicated with the pressure-increasing residual water storage box 3 through the pressure reducing valve 15 and the water replenishing control valve 19.
The three-way control valve 10 for water injection/drainage and the three-way control valve 5 for air intake/exhaust are pneumatic three-way angle seat valves, and can adopt the structure of the prior art. The schematic diagram of the service state of the pneumatic three-way angle seat valve in the embodiment is shown in fig. 3 and 4, and comprises an upper valve body a-1 and a lower valve body a-2, wherein the upper valve body a-1 is provided with a first inlet a-3 and a second inlet a-4, a piston a-5 is arranged inside the upper valve body a-1, and the piston a-5 is connected with the upper end of a valve rod a-6. The lower valve body a-2 is provided with a first interface a-7, a second interface a-8 and a third interface a-9, a shunt port a-10 is arranged between the second interface a-8 and the third interface a-9, and the lower end of the valve rod a-6 penetrates through the upper valve body a-1, the shunt port a-10 and the lower valve body a-2 to be connected with the valve core a-11. When the first inlet a-3 is ventilated, the piston a-5 drives the valve core a-11 to seal the first interface a-7 through the valve rod a-6, and the second interface a-8 is communicated with the third interface a-9 through the branch port a-10. When the second inlet a-4 is ventilated, the piston a-5 drives the valve core a-11 to seal the branch port a-10 through the valve rod a-6, and the first port a-7 is communicated with the third port a-9.
In this embodiment, the pressurizing unit comprises a pressurizing pump 14, one end of the pressurizing pump 14 is connected with the waterway interface of the gas/water double-channel joint 1 through a pressurizing pipeline and a one-way stop valve 17, and the other end of the pressurizing pump 14 is communicated with the pressurizing residual water storage box 3 through a connecting pipeline; and a safety relief valve 18 is arranged on the pressure increasing pipeline.
In order to fully utilize the water in the water return tank, the water outlet of the water return tank 2 is communicated with a filtering tank 25 through a water treatment device 24. The water in the water return tank is purified and then sent to the filtering tank, and then sent to the water injection tank 12 in a differential pressure mode.
And a pressure transmitter 21, a temperature sensor 22 and a pressure gauge 23 are arranged on the water path interface pipeline of the gas/water double-channel joint, and a barometer 16 is arranged on the gas path interface pipeline of the gas/water double-channel joint and used for monitoring information such as pressure in the detection process.
The gas cylinder 13 that is detected takes one's place on the workstation, and gas/water binary channels connect 1 and take one's place, satisfies water pressure and detects preparation work, later, uses the gas cylinder water pressure detection system of this application to detect, and concrete flow is as follows:
1. water injection: the purified water in the water storage tank 12 passes through a multi-stage water pump 11 and is injected into a gas cylinder 13 through a water way of a water injection/drainage three-way control valve 10, a water injection/drainage valve 9 and a gas/water double-channel joint 1. In the process of water injection, gas and turbid impurities in the gas cylinder 1 are discharged into the water return tank 2 through a gas path of the gas/water double-channel joint 1, the high-pressure direct-connection filter 6 and the gas inlet/outlet valve 4 and the gas inlet/outlet three-way control valve;
2. and (3) quick pressurization: the booster pump 14 injects the purified water in the boosting residual water storage box 3 into the gas cylinder 13 through the one-way check valve 17 and the water way of the gas/water double-channel joint 1 under the control of the rapid boosting control signal until the pressure in the gas cylinder reaches 12MPa, and the boosting is stopped. And maintaining the pressure for 3 s.
3. Exhausting: the air and the turbid impurities in the air bottle 13 are discharged into the water return tank 2 through the air passage of the air/water double-passage joint 1, the high-pressure straight-through filter 6, the air inlet/outlet valve 4 and the air inlet/outlet three-way control valve 5.
4. The gas in the gas cylinder is completely discharged through three rapid pressurization and exhaust actions.
5. And (3) slow pressurization: before slow pressurization, the electronic scale 26 firstly takes the weight value of the stable water in the pressurization residual water storage box 3 and stores the weight value into the computer. The booster pump 14 injects the purified water in the booster residual water storage tank 3 into the gas cylinder 13 through the one-way check valve 17 and the water way of the gas/water double-channel joint 1 under the control of the slow booster control signal, and after the pressure in the gas cylinder is increased to a pressure value of 22.5MPa within the set time of 34s-40s, the booster pump 14 is closed.
6. And the system calculates the pressure drop value of the system within the dwell time of 30-60 s.
7. Pressure relief: after the pressure maintaining is finished, the pressure relief valve 20 is opened, and water after pressure relief returns to the residual pressurizing water storage box 3 through the pressure relief water return path A. The electronic scale 26 takes the weight value of the water in the pressurized residual water storage box which is stable for the second time and stores the weight value into the computer. And confirming the residual variable value of the gas cylinder through the calculation result.
8. Draining: after the test of the gas cylinder is finished, compressed air is injected into the gas cylinder through a gas circuit of the pneumatic control valve 8, the air inlet/exhaust three-way control valve 5, the air inlet/exhaust valve 4, the high-pressure straight-through filter 6 and the gas/water double-channel joint 1. The safety relief valve 7 is used for relief from the safety relief valve 7 when the system leaks, and high-pressure water leaked cannot be mixed into a compressed air pipeline. Meanwhile, water in the gas cylinder is discharged into the water return pool 2 through the gas/water double-channel joint 1, the water injection/discharge valve 9 and the water injection/discharge three-way control valve 10 under the action of compressed air.
9. Back flushing: after the detection is finished, after the gas/water double-channel joint 1 and the gas bottle 13 are completely separated, compressed air reversely sweeps the filter element in the high-pressure straight-through filter 6 for 3 seconds through the air inlet/outlet three-way control valve 5 and the air inlet/outlet valve 4, and sundries left outside the filter element are blown off.
10. And (3) water replenishing: and water is supplemented to the pressurization residual water storage box 3 through a multi-stage water pump 11, a water supplementing control valve 15 and a pressure reducing valve 19.
And after the processes are finished, the detection of the gas cylinder is finished, and the next cycle is carried out.
The water pressure detection system adopts a one-to-two water inlet/drainage design to combine the water inlet system and the drainage system into a whole, and simultaneously adopts a one-to-two air inlet/drainage design to combine the air inlet system and the exhaust system into a whole, thereby simplifying the system and reducing components. In addition, a high-pressure direct filter is added, so that a back flushing program can be realized, the problem of water (gas) path blockage is solved, sundries in a gas cylinder can be left at the sealing position of the valve body, the valve port can be damaged when the valve is closed, the sealing problem is influenced, and the reliability of the system is greatly improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A gas cylinder water pressure detection system is characterized by comprising a gas/water double-channel joint, a water return tank, a pressurization residual change water storage box arranged on an electronic scale, a pressurization unit, an air inlet/exhaust unit, an injection/drainage unit and a pressure relief water return path;
the pressurizing unit is used for sending water in the pressurizing residual water storage box into the gas cylinder to realize quick pressurization and slow pressurization of the gas cylinder; the pressure relief water return path is used for introducing fluid generated in the pressure relief process into the pressurization residual water storage box, and a pressure relief valve is arranged on the pressure relief water return path;
the air inlet/exhaust unit comprises a high-pressure straight-through filter, an air inlet/exhaust valve, an air inlet/exhaust three-way control valve, a blow-off valve and an air control valve; the gas path interface of the gas/water double-channel joint is connected with the first interface of the high-pressure through filter through a gas path, the second interface of the high-pressure through filter is connected with the first interface of the gas inlet/outlet valve, the second interface of the gas inlet/outlet valve is connected with the third interface of the gas inlet/outlet three-way control valve, the second interface of the gas inlet/outlet three-way control valve is communicated with the water return tank, one path of the first interface of the gas inlet/outlet three-way control valve is connected with a compressed air outlet through the gas control valve, and the other path of the first interface of the gas inlet/outlet three-way control valve is connected with the bleeding valve;
the water injection/drainage unit comprises a water injection/drainage valve, a water injection/drainage three-way control valve, a water pump, a water storage tank and the water return tank, wherein a first interface of the water injection/drainage valve is connected with a waterway interface of the air/water double-channel joint through a waterway, a second interface of the water injection/drainage valve is connected with a third interface of the water injection/drainage three-way control valve, and the first interface of the water injection/drainage three-way control valve is communicated with the water storage tank through the water pump; a second interface of the water injection/drainage three-way control valve is communicated with the water return pool;
the water injection/drainage three-way control valve and the air inlet/exhaust three-way control valve are pneumatic three-way angle seat valves;
in the water injection process, a first interface of the water injection/drainage three-way control valve is communicated with a third interface, and a second interface of the air inlet/exhaust three-way control valve is communicated with the third interface; the water in the water storage pool enters the gas cylinder through the water pump, the water injection/drainage three-way control valve, the water injection/drainage valve and the waterway interface of the gas/water two-channel joint; meanwhile, gas in the gas cylinder is discharged into the water return pool through a gas path interface of the gas/water double-channel joint, a high-pressure straight-through filter, a gas inlet/outlet valve and a gas inlet/outlet three-way control valve;
in the drainage process, the second interface of the water injection/drainage three-way control valve is communicated with the third interface, and the first interface of the air inlet/exhaust three-way control valve is communicated with the third interface; compressed air enters the gas cylinder through the air inlet/exhaust three-way control valve, the air inlet/exhaust valve, the high-pressure straight-through filter and the gas path interface of the gas/water two-channel joint, and meanwhile, water in the gas cylinder is discharged into the water return pool through the water path interface of the gas/water two-channel joint, the water injection/drainage valve and the water injection/drainage three-way control valve under the action of the compressed air;
and after the detection is finished, after the air/water double-channel joint and the air bottle are completely separated, the first interface and the third interface of the air inlet/exhaust three-way control valve are communicated, and compressed air enters the high-pressure straight-through filter through the air control valve, the air inlet/exhaust three-way control valve and the air inlet/exhaust valve to purge the high-pressure straight-through filter.
2. The gas cylinder water pressure detection system according to claim 1, wherein the high-pressure straight-through filter comprises a hollow shell, two ends of the shell are respectively provided with a connecting interface and a first interface of the high-pressure straight-through filter, a high-pressure filter element is arranged in the shell and fixed on a filter element connecting piece, the inner wall of one end of the filter connecting piece is in threaded connection with the filter element connecting piece, the outer wall of the filter connecting piece is in threaded connection with the connecting interface of the shell, and the other end of the filter connecting piece is used as a second interface of the high-pressure straight-through filter.
3. A gas cylinder water pressure detection system according to claim 1 or 2, characterized by comprising a water replenishment unit for replenishing water in the reservoir into the pressure-programmed water storage box.
4. The gas cylinder water pressure detection system according to claim 1 or 2, wherein the pneumatic three-way angle seat valve comprises an upper valve body and a lower valve body, the upper valve body is provided with a first inlet and a second inlet, a piston is arranged inside the upper valve body, and the piston is connected with the upper end of a valve rod; the lower valve body is provided with a first interface, a second interface and a third interface, a shunt port is arranged between the second interface and the third interface, and the lower end of the valve rod penetrates through the upper valve body, the shunt port and the lower valve body to be connected with the valve core; when the first inlet is ventilated, the piston drives the valve core to seal the first interface through the valve rod, and the second interface is communicated with the third interface through the flow dividing port; when the second inlet is ventilated, the piston drives the valve core to seal the flow dividing port through the valve rod, and the first port is communicated with the third port.
5. The gas cylinder water pressure detection system according to claim 3, wherein the pressurizing unit comprises a pressurizing pump, one end of the pressurizing pump is connected with a waterway interface of the gas/water double-channel joint through a pressurizing pipeline and a one-way stop valve, and the other end of the pressurizing pump is communicated with the pressurizing residual water storage box through a connecting pipeline; and a safety pressure relief valve is arranged on the pressure increasing pipeline.
6. The gas cylinder water pressure detection system according to claim 3, wherein a water outlet of the water return tank is communicated with the filter tank through water treatment equipment.
7. The gas cylinder water pressure detection system according to claim 3, wherein the water replenishing unit comprises a pressure reducing valve, a water replenishing control valve and the water pump, and the water pump is communicated with the pressure-increasing residual water storage box through the water replenishing control valve and the pressure reducing valve.
8. A water pressure detection system for a gas cylinder as claimed in claim 3, characterized in that a pressure transmitter, a temperature sensor and a pressure gauge are installed on the water path interface pipe of the air/water double-channel joint, and a pressure gauge is installed on the air path interface pipe of the air/water double-channel joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220126562.0U CN216900001U (en) | 2022-01-18 | 2022-01-18 | Gas cylinder water pressure detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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