CN210071251U - Underwater air tightness experimental device for heat exchange tube - Google Patents
Underwater air tightness experimental device for heat exchange tube Download PDFInfo
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- CN210071251U CN210071251U CN201920874070.8U CN201920874070U CN210071251U CN 210071251 U CN210071251 U CN 210071251U CN 201920874070 U CN201920874070 U CN 201920874070U CN 210071251 U CN210071251 U CN 210071251U
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Abstract
The utility model relates to a heat exchange tube airtight test technical field especially relates to a heat exchange tube airtight experimental apparatus under water, include: the device comprises a water tank, lifting devices, sealing devices, clamping devices, a compressed gas control device, a gas compressor and a support frame, wherein a group of lifting devices is respectively arranged at two ends of the water tank; the clamping device is arranged between the sealing devices, the compressed air control device is communicated with the vent holes in the sealing devices, and the air compressor is connected with the compressed air control device; the support frame is arranged between the sealing devices. The utility model discloses a device can carry out airtight test under water simultaneously to many heat exchange tubes at every turn, has effectively improved the gas tightness test efficiency of heat exchange tube.
Description
Technical Field
The utility model relates to a heat exchange tube airtight test technical field especially relates to a heat exchange tube is airtight experimental apparatus under water.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The quality of the sealing performance of the heat exchange tube is a very important performance for the heat exchanger, if the sealing performance of the heat exchange tube is in a problem, point leakage and even evolution surface leakage can be generated, and therefore, after the heat exchange tube is produced, the air tightness of the heat exchange tube needs to be detected. In the field of heat exchanger production, a strict underwater air tightness test is required before a heat exchange tube experiment; the conventional underwater airtight test is generally to seal the pipe head by a manual operation method, however, the inventor believes that the method has the problems of limited number of heat exchange pipes in a single test, low efficiency and the like.
SUMMERY OF THE UTILITY MODEL
To the airtight test occupy the manual work more under water to the aforesaid, the lower problem of efficiency, the utility model aims at providing a heat exchange tube airtight experimental apparatus under water, the device can carry out airtight test under water simultaneously to many heat exchange tubes at every turn, has effectively improved the air tightness test efficiency of heat exchange tube.
In order to achieve the purpose, the utility model discloses the following technical scheme:
the utility model provides a heat exchange tube airtight experimental apparatus under water, includes: basin, elevating gear, sealing device, clamping device, compressed gas control device, gas compressor and support frame, wherein:
the both ends of basin respectively are provided with a set of elevating gear, sealing device's one end is fixed on elevating gear, and the other end is used for sealing the mouth of pipe of heat exchange tube, just all be provided with sealing device on two sets of elevating gear, sealing device's the orificial one end that is used for sealing the heat exchange tube is provided with the air vent, during the use, arranges the heat exchange tube in between the sealing device between two sets of elevating gear, seals the mouth of pipe at the both ends of heat exchange tube, then bloies the air into the heat exchange tube through the air vent to in order to carry out the gas tightness test.
The clamping device is arranged between the sealing devices and used for fixing the heat exchange pipe in a clamping mode. The air compressor is connected with the air compressor control device; the support frame is arranged between the sealing devices and used for supporting the heat exchange tube when the heat exchange tube is fed (the heat exchange tube to be detected is placed in the water pool).
As a further technical scheme, the sealing device is of a conical structure, the diameter of the maximum position of the cone is larger than that of the heat exchange tube, the diameter of the minimum position of the cone is smaller than that of the heat exchange tube, the cone of the sealing device is used for sealing the heat exchange tube, the heat exchange tubes of different specifications are matched with the sealing devices of different specifications, one end face of the conical structure is fully sealed, the other end face of the conical structure is provided with an air hole, and air is blown into the heat exchange tube through the sealing device with the air hole.
As a further technical scheme, a pressure regulating valve is arranged in the compressed air control device so as to conveniently set the inflation pressure according to requirements.
As a further technical scheme, three or more groups of sealing devices are arranged on each group of lifting devices.
As a further technical scheme, the lifting device, the clamping device, the compressed air control device and the gas compressor are all connected with power devices so as to provide power for the operation of the devices.
As a further technical scheme, the lifting device, the clamping device, the compressed air control device and the air compressor are all connected with a controller.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained:
(1) the utility model discloses airtight test under water can be carried out simultaneously to many heat exchange tubes at every turn, has effectively improved the gas tightness test efficiency of heat exchange tube.
(2) The utility model discloses set up sealing device in heat exchange tube both sides, can well seal, it is airtight, can use again many times, for a long time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is the utility model discloses heat exchange tube airtight experimental apparatus's under water schematic diagram in embodiment 1.
The reference numerals in the drawings denote: the heat exchange tube comprises a water tank 1, a lifting device 2, a sealing device 3, a clamping device 4, a compressed air control device 5, a gas compressor 6, a support frame 7 and a heat exchange tube 8.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As mentioned above, in the acid manufacturing industry, there are many high-temperature equipment pipelines, especially the sulfur burning conversion unit converter and the high-temperature superheater, the operation temperature is as high as above 600 ℃, and the connecting pipeline between the equipments is often damaged due to thermal expansion. Therefore, the utility model provides a draw bar formula protection device that subducts thermal expansion stress, it is right now to combine figure and embodiment the utility model discloses further explain.
Example 1
An experimental apparatus for underwater air tightness of heat exchange pipe, referring to fig. 1, comprises: basin 1, elevating gear 2, sealing device 3, clamping device 4, compressed gas controlling means 5, gas compressor 6 and support frame 7, wherein:
the both ends of basin 1 respectively are provided with a set of elevating gear 2, sealing device 3's one end is fixed on elevating gear 2, and the other end is used for sealing the mouth of pipe of heat exchange tube 8, just all be provided with sealing device 3 on two sets of elevating gear 2, sealing device 3's the orificial one end that is used for sealing heat exchange tube 8 is provided with the air vent, during the use, arranges heat exchange tube 8 in between sealing device 3 between two sets of elevating gear 2, seals the mouth of pipe at heat exchange tube 8's both ends, then bloies the air through the air vent in to heat exchange tube 8 to in carry out the gas tightness test.
The clamping device 4 is arranged between the sealing devices 3 and is used for fixing the heat exchange pipe 8 in a clamping mode. The compressed air control device 5 is communicated with the vent hole in the sealing device 3, and the gas compressor 6 is connected with the compressed air control device 5; the support frame 7 is arranged between the sealing devices 3 and used for supporting the heat exchange tube 8 when the material is loaded (the heat exchange tube 8 to be detected is placed in the water pool 1).
Example 2
The utility model provides a heat exchange tube airtight experimental apparatus under water, the difference is that with embodiment 1: sealing device 3 is a circular structure, and its diameter and heat exchange tube 8 phase-match fill in the mouth of pipe of heat exchange tube 8 with the one end of circular structure during the use and seal heat exchange tube 8, then with the air through circular structure in the heat exchange tube 8 of bloating.
Example 3
The utility model provides a heat exchange tube airtight experimental apparatus under water, the difference is that with embodiment 1: and a pressure regulating valve is arranged in the compressed air control device 5 so as to set the inflation pressure as required.
Example 4
The utility model provides a heat exchange tube airtight experimental apparatus under water, the difference is that with embodiment 1: the lifting device 2, the clamping device 4, the compressed gas control device 5 and the gas compressor 6 are all connected with power devices so as to provide power for the operation of the devices.
Example 5
The utility model provides a heat exchange tube airtight experimental apparatus under water, the difference is that with embodiment 1: elevating gear 2, clamping device 4, compressed gas controlling means 5 and gas compressor 6 all are connected with the controller, need explain, control elevating gear 2, clamping device 4, compressed gas controlling means 5, gas compressor 6 through the controller, realize that automatic means belongs to conventional technical means, have extensive application in each field already, like PLC controller etc. the technical staff can refer to prior art means and realize the control to these devices, it does not influence the utility model provides a technical problem's design, consequently, the utility model discloses do not specifically prescribe a limit to and explain.
Example 6
Use embodiment 1 as an example, right the utility model discloses a heat exchange tube airtight experimental apparatus explains under water basic use principle:
(1) feeding: placing the heat exchange tube 8 on the support frame 7 to finish feeding;
(2) clamping: after the heat exchange tube 8 is fed, starting a control switch of the clamping device 4, and automatically clamping the heat exchange tube 8 by the clamping device 4;
(3) sealing: starting a control switch of the sealing device 3 to seal pipe orifices at two ends of the heat exchange pipe 8;
(4) sinking: starting a control switch of the lifting device, and driving the heat exchange tube 8 to sink underwater by the lifting device;
(5) and (3) testing: and starting a control switch of the compressed air control device 5 and the gas compressor 6, filling compressed air into the heat exchange tube 8 according to the set pressure, and maintaining the pressure according to the set time.
(6) And (3) completing the test: after the pressure maintaining is finished, the heat exchange tube 8 is lifted out of the water surface, the sealing device 3 is removed, and the heat exchange tube 8 is placed in a specified area.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a heat exchange tube airtight experimental apparatus under water which characterized in that includes: basin, elevating gear, sealing device, clamping device, compressed gas control device, gas compressor and support frame, wherein:
two ends of the water tank are respectively provided with a group of lifting devices, one end of each sealing device is fixed on each lifting device, the other end of each sealing device is used for sealing the pipe orifice of the heat exchange pipe, each lifting device is provided with a sealing device, and one end of each sealing device, which is used for sealing the pipe orifice of the heat exchange pipe, is provided with an air vent;
the clamping device is arranged between the sealing devices, the compressed air control device is communicated with the vent holes in the sealing devices, and the air compressor is connected with the compressed air control device; the support frame is arranged between the sealing devices.
2. The underwater air tightness experimental device for the heat exchange tube of claim 1, wherein the sealing device is a conical structure, the maximum diameter of the cone is larger than the diameter of the heat exchange tube, the minimum diameter of the cone is smaller than the diameter of the heat exchange tube, one end face of the conical structure is fully sealed, and the other end face of the conical structure is provided with an air vent.
3. The underwater air tightness experimental device for the heat exchange pipe according to claim 1, wherein a pressure regulating valve is arranged in the compressed air control device.
4. The underwater airtightness testing apparatus for the heat exchange pipe according to claim 1, wherein at least three sets of sealing means are provided on each of said sets of lifting means.
5. The underwater air tightness test device for the heat exchange tube according to any one of claims 1 to 4, wherein the lifting device, the clamping device, the compressed air control device and the gas compressor are connected with a power device.
6. The underwater air tightness experimental device for the heat exchange tube according to any one of claims 1 to 4, wherein the lifting device, the clamping device, the compressed air control device and the gas compressor are all connected with a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874070.8U CN210071251U (en) | 2019-06-10 | 2019-06-10 | Underwater air tightness experimental device for heat exchange tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874070.8U CN210071251U (en) | 2019-06-10 | 2019-06-10 | Underwater air tightness experimental device for heat exchange tube |
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| CN210071251U true CN210071251U (en) | 2020-02-14 |
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| CN201920874070.8U Active CN210071251U (en) | 2019-06-10 | 2019-06-10 | Underwater air tightness experimental device for heat exchange tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412974A (en) * | 2023-06-09 | 2023-07-11 | 江苏奥琳斯邦装备科技股份有限公司 | Sealing detection device for heat exchanger |
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2019
- 2019-06-10 CN CN201920874070.8U patent/CN210071251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412974A (en) * | 2023-06-09 | 2023-07-11 | 江苏奥琳斯邦装备科技股份有限公司 | Sealing detection device for heat exchanger |
| CN116412974B (en) * | 2023-06-09 | 2023-10-31 | 江苏奥琳斯邦装备科技股份有限公司 | Sealing detection device for heat exchanger |
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