CN217654707U - Portable plate heat exchanger pressure testing leak hunting device - Google Patents
Portable plate heat exchanger pressure testing leak hunting device Download PDFInfo
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- CN217654707U CN217654707U CN202222002856.5U CN202222002856U CN217654707U CN 217654707 U CN217654707 U CN 217654707U CN 202222002856 U CN202222002856 U CN 202222002856U CN 217654707 U CN217654707 U CN 217654707U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 6
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- 239000007789 gas Substances 0.000 description 42
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- 230000001954 sterilising effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model provides a portable plate heat exchanger pressure test leak detection device; the heat exchanger leak detection device comprises a box body, a pneumatic pump and a gas transmission pipe, wherein the pneumatic pump is arranged in the box body, one end of the gas transmission pipe penetrates through the wall of the box body to be connected with the pneumatic pump, and the other end of the gas transmission pipe is connected with a quick-change connector and is used for detachably butting an exhaust port of a plate type heat exchanger; along the pneumatic pump to quick change coupler direction on, be equipped with first valve on the gas-supply pipe, the manometer, first valve is used for blocking or feeds through the gas-supply pipe that corresponds the position, to the inconvenient problem of present plate heat exchanger pressure testing leak hunting, hold the pneumatic pump as the air supply and the gas circuit component of prearranging through the box, possess good portability, can carry out position control according to plate heat exchanger air inlet position, thereby reduce trachea length and reduce and collude the problem of hanging, the barometer cooperation valve control pressure testing process, improve pressure testing leak hunting efficiency.
Description
Technical Field
The utility model relates to a heat exchanger leak hunting equipment technical field, in particular to portable plate heat exchanger pressure testing leak hunting device.
Background
The detachable plate heat exchanger is formed by punching corrugated sheets at certain intervals, sealing the peripheries of the corrugated sheets by gaskets, overlapping and pressing by using a frame and pressing screws, forming fluid distribution pipes and fluid collection pipes by using four corner holes of the plates and the gaskets, reasonably separating cold and hot fluids at the same time, enabling the cold and hot fluids to respectively flow in flow channels on two sides of each plate, and carrying out heat exchange by the plates when different fluids flow through the channels between the plates and the sealing gaskets.
In practical application, problems of liquid leakage, liquid series connection, unsatisfied heat supply temperature and the like are often caused by improper operation or process parameters. Especially, liquid leakage mainly shows leakage and leakage, the device in the prior art has less leakage problem, but small-range leakage often exists, and the leakage is not easy to be found due to the characteristic of small or discontinuous flow, and the main parts are the sealing part between the plate sheets, the part of the two sealing leakage grooves of the plate sheets and the inner sides of the end plate sheets and the pressing plate; the existing leakage detection equipment is large in size, a long-distance gas pipe needs to be led out in some areas where no gas pressure pipeline is arranged, then after gas circuit elements such as a gas pressure meter and a valve are assembled, the plate heat exchanger is connected for pressure testing, the detection process is complex, exposed plates of the plate heat exchanger are easily hooked by the long-distance gas pipe, the plate heat exchanger is difficult to arrange quickly, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect that prior art exists, provide a portable plate heat exchanger pressure testing leak hunting device, hold the pneumatic pump as the air supply and the gas circuit component of arranging in advance through the box, possess good portability, can carry out position control according to plate heat exchanger air inlet position, thereby reduce trachea length and reduce and collude the problem of hanging, barometer cooperation valve control pressure testing process improves pressure testing leak hunting efficiency.
In order to realize the purpose, the following technical scheme is adopted:
a portable plate heat exchanger pressure test leak detection device comprises a box body, a pneumatic pump and a gas transmission pipe, wherein the pneumatic pump is arranged in the box body, one end of the gas transmission pipe penetrates through the wall of the box body to be connected with the pneumatic pump, and the other end of the gas transmission pipe is connected with a quick-change connector and used for detachably butting an exhaust port of the plate heat exchanger; and a first valve and a pressure gauge are arranged on the gas transmission pipe along the direction from the pneumatic pump to the quick-change connector, and the first valve is used for blocking or communicating the gas transmission pipe at the corresponding position.
Furthermore, the pneumatic pump is fixed in the box body, and a handle is installed outside the box body.
Furthermore, the first valve is arranged on the air conveying pipe in the box body, and the operating end of the first valve penetrates through the wall of the box body and extends out of the box body.
Furthermore, the manometer is installed on being located the gas-supply pipe in the box, and the dial plate of manometer inlays on the box wall to towards the box outside.
Furthermore, the quick-change connector is detachably connected with a second valve, and the quick-change connector is used for being in butt joint with an exhaust port of the external plate heat exchanger through the second valve.
Further, the quick-change connector and the second valve are mounted on an air conveying pipe located outside the box body.
Further, still include the shutoff piece, the shutoff piece is equipped with a plurality ofly, and the shutoff piece is used for the water inlet and the delivery port of butt joint outside plate heat exchanger with the shutoff.
Furthermore, the plugging piece is used for being provided with a positioning groove on the end face matched with the external plate heat exchanger, and a sealing gasket is matched in the positioning groove.
Furthermore, the first valve is a ball valve, and a butt joint pipe is arranged at the position of an exhaust port of the plate heat exchanger matched with the quick-change connector.
Furthermore, a power supply is arranged in the box body and connected with the pneumatic pump through a control switch, and the control switch is located outside the box body.
Compared with the prior art, the utility model has the advantages and positive effect be:
(1) To the inconvenient problem of present plate heat exchanger pressure testing leak hunting, hold the pneumatic pump as the air supply and the gas circuit component of arranging in advance through the box, possess good portability, can carry out position control according to plate heat exchanger air inlet position, thereby reduce trachea length and reduce and collude the problem of hanging, the barometer cooperation valve control pressure testing leak hunting process improves pressure testing efficiency.
(2) The pressure testing pipeline is fixedly connected with the pneumatic pump, and can be quickly disassembled and assembled with the exhaust port of the plate heat exchanger through the quick change connector, so that the pressure testing can be conveniently and quickly carried out.
(3) Additionally, the second valve is arranged, when the valve at the exhaust port position of the external plate heat exchanger is inconvenient to use, the gas conveying pipe and the exhaust port can be connected through the second valve, the plate heat exchanger filled with gas is conveniently plugged, the first valve can isolate the working pneumatic pump from the pneumatic meter, and the leakage problem of the pneumatic pump position in the pressure test leakage detection process is reduced.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic diagram of a plate heat exchanger in embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a pressure test leak detection apparatus according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of a block piece-fitting plate heat exchanger according to embodiment 1 of the present invention.
In the figure, an exhaust valve 1, an exhaust port 2, a pneumatic pump 3, a pressure gauge 4, a first valve 5, a gas pipe 6, a first sealing piece 7, a second sealing piece 8, a third sealing piece 9, a fourth sealing piece 10 and a plate heat exchanger 11 are arranged.
Detailed Description
Example 1
The utility model discloses a typical implementation mode, as shown in fig. 1-3, a portable plate heat exchanger pressure testing leak hunting device is proposed.
The plate heat exchanger 11 shown in fig. 1 and 2 has the advantages of high heat exchange efficiency, simple structure, small floor area, light weight, small heat loss, various plate types, strong interchangeability, convenience in maintenance and the like, is widely applied to the departments of metallurgy, mine, petroleum, chemical industry, electric power, medicine, food, chemical fiber, paper making, light textile, ship, heat supply and the like, and can be used for various scenes such as heating, cooling, evaporation, condensation, sterilization, disinfection, waste heat recovery and the like.
As shown in fig. 2, in the portable plate heat exchanger pressure test and leak detection device, a gas pump 3 is used to fill gas into a plate heat exchanger 11 to be detected through a gas pipe 6, so that a certain gas pressure is formed in the plate heat exchanger 11, the plate heat exchanger 11 is plugged, the gas pressure inside the plate heat exchanger 11 is measured after a set time, and whether a leakage problem occurs is judged by comparing the gas pressure after the set time of plugging with an initial gas pressure.
As shown in fig. 1 and 2, the portable plate heat exchanger mainly comprises a box body, a pneumatic pump 3, a gas pipe 6 and a gas circuit element, wherein the pneumatic pump 3 is installed in the box body, one end of the gas pipe 6 penetrates through the wall of the box body to enter the box body, and the other end of the gas pipe extends out of the box body and can be abutted to a gas outlet 2 of an external plate heat exchanger 11. In order to reduce the shielding of the box body on the pneumatic pump 3 and the air conveying pipe 6, the structure of the box body is not shown in fig. 2; the length of the gas pipe 6 positioned outside the box body can be adjusted, the length of the gas pipe 6 positioned outside the box body is changed through the length of the gas pipe 6 which retracts into the box body and is drawn out of the box body, and when the position of the whole pressure test leak detection device is adjusted, the length of the gas pipe 6 positioned outside the box body can be properly shortened, so that the hooking problem is reduced; similarly, when the air pipe 6 is connected to the external exhaust port 2, the air pipe 6 in the box body can be pulled out by a certain length, so that the length of the air pipe 6 outside the box body is prolonged, and the arrangement is convenient.
The pneumatic pump 3 is arranged in the box body, the gas path element comprises a quick-change connector, a valve and a pressure gauge 4, wherein one end of a gas transmission pipe 6 penetrates through the wall of the box body to be connected with the pneumatic pump 3, and the other end of the gas transmission pipe is connected with the quick-change connector and is used for detachably butting the exhaust port 2 of the plate type heat exchanger 11; along the direction from the pneumatic pump 3 to the quick-change connector, the gas transmission pipe 6 is provided with a first valve 5 and a pressure gauge 4, and the first valve 5 is used for blocking or communicating the gas transmission pipe 6 at the corresponding position.
As shown in fig. 1, the exhaust port 2 of the plate heat exchanger 11 is provided with a butt joint pipe for facilitating butt joint of the quick change coupler, and the exhaust valve 1 may be provided for controlling on/off of the exhaust port 2 to cut off or establish communication between the inside of the plate heat exchanger 11 and the external environment.
In order to improve the portability, the pneumatic pump 3 is fixed in the box body, a handle is arranged outside the box body, and the box body can be conveniently grabbed and lifted by utilizing the handle, so that the position of the box body and internal elements of the box body can be conveniently adjusted, the box body can be arranged close to the exhaust port 2, the pipeline arrangement length is reduced, and the problem of pressure drop is reduced.
In addition, in the actual pressure test leak detection process, the valve needs to be operated, and the pressure gauge 4 needs to be observed and read, in this embodiment, the first valve 5 is installed on the gas transmission pipe 6 located in the box body, and the operation end of the first valve 5 penetrates through the wall of the box body and extends out of the box body.
The manometer 4 is installed on being located the gas-supply pipe 6 of box, and manometer 4's dial plate inlays on the box wall to towards the box outside.
It is noted that the quick-change coupling is detachably connected with a second valve, and the quick-change coupling is used for abutting the gas outlet 2 of the external plate heat exchanger 11 through the second valve.
Additionally, a second valve is arranged, when the valve at the position of the exhaust port 2 of the external plate heat exchanger 11 is inconvenient to use, the second valve can be connected with the gas conveying pipe 6 and the exhaust port 2, the plate heat exchanger 11 filled with gas is convenient to seal, the first valve 5 can isolate the pneumatic pump 3 from a pneumatic meter after working, and the problem of leakage from the position of the pneumatic pump 3 in the pressure test leakage detection process is reduced.
The quick-change connector and the second valve are arranged on the air conveying pipe 6 positioned outside the box body, so that the air conveying pipe 6 can be conveniently and quickly butted with the air outlet 2 through the quick-change connector and the second valve.
As shown in fig. 3, a plurality of blocking pieces are provided, and the blocking pieces are used for abutting against the water inlet and the water outlet of the external plate heat exchanger 11 to block.
In this embodiment, the plugging member is provided with a positioning groove on the end surface for matching with the external plate heat exchanger 11, and a sealing gasket is matched in the positioning groove. The plugging piece is equipped with four, is first plugging piece 7, second plugging piece 8, third plugging piece 9 and fourth plugging piece 10 respectively, and with corresponding 11 air inlets of plate heat exchanger, gas outlet one-to-one arrange, in order to improve the leakproofness, set up the sealed pad structure of constant head tank cooperation.
In this embodiment, the plugging member may be a blind flange, and the through hole on the blind flange is matched with a bolt, and the blind flange is butted with the water inlet and the water outlet of the plate heat exchanger 11 through the bolt and plugged, so that a good sealing state is maintained in the pressure test leak detection process.
The first valve 5 is a ball valve, the second valve is also a ball valve, the sealing performance is good, meanwhile, the ball valve is a brass ball valve, and the model of the brass ball valve is Q11F-20T; similarly, the exhaust valve 1 coupled to the exhaust port 2 may be a ball valve such as the first valve 5 and the second valve.
The pressure gauge 4 adopts a stainless steel brass pressure gauge 4 (YE-100B), the pneumatic pump 3 is a portable electric pneumatic pump 3, and the model of the pneumatic pump 3 is DSY-25; a power supply is arranged in the box body and is connected with the pneumatic pump 3 through a control switch, and the control switch is positioned outside the box body.
The pressure test port is a heat exchanger exhaust port 2, a pressure test pipeline is fixedly connected with a pneumatic pump 3 and can be detached at any time, and the pressure test pump is portable and convenient to carry and test pressure quickly;
in actual work, the plate heat exchanger 11 is in a non-working state, a water inlet and a water outlet of the plate heat exchanger 11 are sealed, a first valve 5 in a pressure test pipeline is opened, a ball valve at an exhaust port 2 of the plate heat exchanger 11 is opened, a pneumatic pump 3 is opened, a gas pipe 6 in the pressure test pipeline is connected with the exhaust port 2 of the heat exchanger through a quick-change connector, the output air pressure of the pneumatic pump 3 is adjusted, after the reading of a barometer is stable for a period of time, a pressure value is read, an exhaust valve 1 at the exhaust port 2 of the heat exchanger, the first valve 5 and the pneumatic pump 3 are immediately closed, after the period of time, the exhaust valve 1 is opened, the pressure value is read, the front and rear pressure values are compared, and if the numerical value is reduced, the leakage problem of the heat exchanger is indicated; otherwise, the leakage problem is avoided.
The pressure test leak hunting test can know the heat exchanger sealing condition in advance through the test before 11 work of plate heat exchanger, reducible unnecessary loss.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A portable plate heat exchanger pressure test leak detection device is characterized by comprising a box body, a pneumatic pump and a gas transmission pipe, wherein the pneumatic pump is arranged in the box body, one end of the gas transmission pipe penetrates through the wall of the box body to be connected with the pneumatic pump, and the other end of the gas transmission pipe is connected with a quick-change connector and used for detachably abutting against an exhaust port of the plate heat exchanger; and a first valve and a pressure gauge are arranged on the gas transmission pipe along the direction from the pneumatic pump to the quick-change connector, and the first valve is used for blocking or communicating the gas transmission pipe at the corresponding position.
2. The portable plate heat exchanger pressure testing and leakage detecting device of claim 1, wherein the pneumatic pump is fixed in a box body, and a handle is arranged outside the box body.
3. The portable plate heat exchanger pressure testing and leak detecting device of claim 1, wherein the first valve is installed on a gas pipe in the box body, and an operating end of the first valve penetrates through the wall of the box body and extends out of the box body.
4. The pressure testing and leakage detecting device of the portable plate heat exchanger as claimed in claim 1, wherein the pressure gauge is mounted on the gas pipe inside the box body, and a dial of the pressure gauge is embedded on the wall of the box body and faces the outside of the box body.
5. The portable plate heat exchanger pressure and leak testing device of claim 1, wherein the quick-change connector is detachably connected with a second valve, and the quick-change connector is used for butting an exhaust port of the external plate heat exchanger through the second valve.
6. The portable plate heat exchanger pressure testing and leak detecting device of claim 5, wherein the quick change coupler and the second valve are mounted on an air pipe located outside the box body.
7. The portable plate heat exchanger pressure testing leak detection device of claim 1, further comprising a plurality of plugging members, wherein the plugging members are used for butting against the water inlet and the water outlet of an external plate heat exchanger to plug.
8. The portable plate heat exchanger pressure testing leak detection device of claim 7, wherein the plugging member is provided with a positioning groove on an end surface for fitting an external plate heat exchanger, and a sealing gasket is fitted in the positioning groove.
9. The portable plate heat exchanger pressure and leak testing device of claim 1, wherein the first valve is a ball valve, and a butt joint pipe is arranged at a position of an exhaust port of the plate heat exchanger matched with the quick-change connector.
10. The pressure and leak testing device of the portable plate heat exchanger as claimed in claim 1, wherein a power supply is provided in the box body, the power supply is connected with the pneumatic pump through a control switch, and the control switch is located outside the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222002856.5U CN217654707U (en) | 2022-07-29 | 2022-07-29 | Portable plate heat exchanger pressure testing leak hunting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222002856.5U CN217654707U (en) | 2022-07-29 | 2022-07-29 | Portable plate heat exchanger pressure testing leak hunting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654707U true CN217654707U (en) | 2022-10-25 |
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ID=83687817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222002856.5U Active CN217654707U (en) | 2022-07-29 | 2022-07-29 | Portable plate heat exchanger pressure testing leak hunting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217654707U (en) |
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2022
- 2022-07-29 CN CN202222002856.5U patent/CN217654707U/en active Active
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