CN213842547U - Floating heat exchanger pressure test frock - Google Patents
Floating heat exchanger pressure test frock Download PDFInfo
- Publication number
- CN213842547U CN213842547U CN202023320141.1U CN202023320141U CN213842547U CN 213842547 U CN213842547 U CN 213842547U CN 202023320141 U CN202023320141 U CN 202023320141U CN 213842547 U CN213842547 U CN 213842547U
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- Prior art keywords
- floating
- heat exchanger
- pressure test
- helium
- spray gun
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- 238000007667 floating Methods 0.000 title claims abstract description 60
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 229910052734 helium Inorganic materials 0.000 claims abstract description 34
- 239000001307 helium Substances 0.000 claims abstract description 34
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a floating heat exchanger pressure test frock, including floating heat exchanger body and pressure test frock body, pressure test frock body includes that the appearance is examined to the helium, vacuum pump, guard shield, spray gun and helium bottle, floating heat exchanger body overcoat has cup jointed the guard shield, the end of guard shield passes through spray gun pipe connection spray gun, the helium bottle is connected to the spray gun, the head end of guard shield passes through pipe box flange and pressure testing ring connecting pipe case, pipe box seals through pipe box flange and flat lid, pipe box flange passes through connecting tube and connects the vacuum pump, be connected with the valve on the connecting tube, examine the appearance through connecting tube connection helium between vacuum pump and the valve. The number of pressure test tools is greatly reduced, so that the material cost, the machining cost and the labor cost are reduced, the company benefits are increased, and the company competitiveness is improved.
Description
Technical Field
The utility model relates to a pressure test frock specifically is a floating heat exchanger pressure test frock.
Background
The heat exchanger is widely applied to industries such as petroleum, chemical engineering, metallurgy, air separation, medicine and the like, has the main function of carrying out heat exchange, heats or cools a process fluid medium as required, provides required working conditions for subsequent equipment, and is divided into a plurality of types according to the structure, such as a fixed tube plate type heat exchanger, a U-shaped tubular heat exchanger, a floating head type heat exchanger, a packing box type heat exchanger, a kettle type reboiler and the like. The heat exchanger manufacturing process can be generally divided into: the method comprises the following steps of raw material acceptance, cutting and blanking, barrel rolling, machining, pairing, welding, nondestructive testing, hole opening and scribing, heat treatment, pressure test, surface treatment and the like. All heat exchangers are pressure tested after manufacture.
After the floating head type heat exchanger is manufactured, a pressure test is required, generally, a connecting joint between the heat exchange pipe and the pipe plate needs to be checked firstly, then pipe boxes at two ends are installed, a pressure test of a pipe pass is carried out, after the pipe pass test is qualified, the pipe bundle is installed into the shell, and the pressure test of the shell pass is carried out after the outer pipe box of the shell is installed.
When the pressure test of the heat exchange tube and the tube plate joint is carried out, the tube bundle is firstly arranged in the shell, and due to the special structure of the shell, according to the common method, a pressure test ring tool with a filler is required to be arranged on one side of the fixed end and on one side of the floating end.
By adopting the method, if leakage exists, the leakage part of the heat exchange tube and the tube plate joint can be easily found, but the method has the defects that the sizes of the heat exchangers are different, almost every device needs to process one set of pressure test tool, a plurality of pressure test devices need to be manufactured for one project, and the pressure test tool needs to be manufactured greatly due to the larger diameter of the existing device. After pressure testing, however, these test tools are no longer needed, and unless the same heat exchanger is remanufactured, the opportunity for reuse is minimal, and material is wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a floating heat exchanger pressure test frock to the needs that provide in solving above-mentioned background art come the problem of incessantly processing pressure testing frock according to the size of heat exchanger.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a floating heat exchanger pressure test frock, includes floating heat exchanger body and pressure test frock body, pressure test frock body includes that appearance, vacuum pump, guard shield, spray gun and helium bottle are examined to the helium, floating heat exchanger body cup joints the guard shield outward, the end of guard shield passes through spray gun pipe connection spray gun, the helium bottle is connected to the spray gun, the head end of guard shield is through pipe case flange and pressure testing ring connection pipe case, pipe case seals through pipe case flange and flat lid, pipe case flange passes through connecting tube and connects the vacuum pump, the last valve that is connected with of connecting tube, examine the appearance through connecting tube connection helium between vacuum pump and the valve.
Furthermore, the floating heat exchanger body comprises a fixed tube plate positioned on the left side and a floating tube plate positioned on the right side, a pull rod is installed on the inner side of the fixed tube plate, a baffle plate is fixed outside the pull rod, and a heat exchange tube which penetrates through the baffle plate and is connected with the fixed tube plate is arranged on the floating tube plate.
Furthermore, a hook ring is fixed on the inner side of the floating tube plate, a floating flange is arranged on the outer side of the floating tube plate, and a seal head is fixed outside the floating flange.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses in, through having increased the dustcoat outside floating heat exchanger body, adopt helium leak detection and pressure test's method again, can realize the pressure test to floating heat exchanger, the floating heat exchanger body of the adaptable not unidimensional size of dustcoat has avoided testing floating heat exchanger at every turn, all will customize the problem of corresponding pressure testing frock, the pressure test frock quantity that has significantly reduced to material cost, machining cost, cost of labor have been reduced, the company's benefit has been increased, company's competitiveness has been promoted.
Drawings
Fig. 1 is a schematic structural view of a pressure testing tool for a floating heat exchanger of the present invention;
fig. 2 is a front view of a floating heat exchanger body of the pressure testing tool for a floating heat exchanger of the present invention;
fig. 3 is a schematic connection diagram of a pressure testing tool channel box and a helium detector of the floating heat exchanger of the present invention;
fig. 4 is the utility model discloses a helium bottle's of floating heat exchanger pressure test frock schematic diagram.
In the figure: 1. a helium detector; 2. a vacuum pump; 3. connecting a pipeline; 4. a valve; 5. testing a pressure ring; 6. a shield; 7. a spray gun; 8. a helium tank; 9. a pipe box; 10. flattening the cover; 11. a pipe box flange; 12. a pipe box flange; 13. fixing the tube plate; 14. a baffle plate; 15. a heat exchange pipe; 16. hooking a loop; 17. a floating tube sheet; 18. a floating flange; 19. sealing the end; 20. a floating heat exchanger body; 21. a lance conduit; 22. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a floating heat exchanger pressure test frock, including floating heat exchanger body 20 and pressure test frock body, pressure test frock body includes that the helium examines appearance 1, vacuum pump 2, guard shield 6, spray gun 7 and helium bottle 8, floating heat exchanger body 20 overcoat has cup jointed guard shield 6, the end of guard shield 6 passes through spray gun pipeline 21 and connects spray gun 7, helium bottle 8 is connected to spray gun 7, pipe case flange 12 and pressure testing ring 5 connecting tube case 9 are passed through to the head end of guard shield 6, pipe case 9 seals through pipe case flange 11 and flat lid 10, pipe case flange 11 passes through connecting tube 3 and connects vacuum pump 2, be connected with valve 4 on the connecting tube 3, connect helium and examine appearance 1 through connecting tube 3 between vacuum pump 2 and the valve 4. The protective cover 6 is fixed outside the floating heat exchanger body 20, one end of the protective cover is connected with the helium tank 8 and the spray gun 7, the other end of the protective cover is connected with the tube box 9, the tube box 9 is connected with the vacuum pump 2 and the helium detector 1, the vacuum pump 2 is firstly used for vacuumizing the tube box 1, helium is sprayed or filled in the protective cover 6 through the spray gun 7 after the vacuum degree meets the requirement, and the tube box 9 is detected through the helium detector 1.
The floating heat exchanger body 20 comprises a fixed tube plate 13 positioned on the left side and a floating tube plate 17 positioned on the right side, a pull rod 22 is installed on the inner side of the fixed tube plate 13, a baffle plate 14 is fixed outside the pull rod 22, a heat exchange tube 15 which penetrates through the baffle plate 14 and is connected with the fixed tube plate 13 is arranged on the floating tube plate 17, a hook ring 16 is fixed on the inner side of the floating tube plate 17, a floating flange 18 is arranged on the outer side of the floating tube plate 18, and a seal head 19.
In the pressure testing tool of the floating heat exchanger of the utility model, firstly, the testing tool and the floating heat exchange tube body 20 are assembled, the protective cover 6 is sleeved outside the floating heat exchange tube body 20, the floating heat exchange tube body 1 is connected with the tube box 9, the tube box 9 is connected with the vacuum pump 2 through the connecting pipeline 3, and the helium detector 1 is connected with the helium detector, firstly, the tube box 9 is vacuumized through the vacuum pump 2, after the vacuum degree reaches the requirement, helium is sprayed or filled in the protective cover 6, so that the helium reaches a certain concentration, when the heat exchange tube 15 has a defect or the joint of the heat exchange tube 15 and the fixed tube plate 13 has a defect, the helium can enter the tube box 9, under the action of negative pressure, the helium is sucked into the helium detector 1 through the connecting pipeline 3, and the leakage rate value is displayed, if the leakage rate exceeds the standard, the helium detector 1 can send an alarm, a leak is found.
The protective cover 6 in the device can adapt to the floating heat exchanger bodies 1 with different sizes, the problem that corresponding pressure test tools need to be customized when the floating heat exchangers are tested at every time is solved, the number of the pressure test tools is greatly reduced, the material cost, the machining cost and the labor cost are reduced, the company benefits are increased, and the company competitiveness is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a floating heat exchanger pressure test frock which characterized in that: comprises a floating heat exchanger body (20) and a pressure test tool body, wherein the pressure test tool body comprises a helium detector (1), a vacuum pump (2), a shield (6), a spray gun (7) and a helium bottle (8), a protective cover (6) is sleeved outside the floating heat exchanger body (20), the tail end of the protective cover (6) is connected with a spray gun (7) through a spray gun pipeline (21), the spray gun (7) is connected with a helium tank (8), the head end of the protective cover (6) is connected with a pipe box (9) through a pipe box flange (12) and a pressure test ring (5), the tube box (9) is sealed by a tube box connecting pipe flange (11) and a flat cover (10), the pipe box connecting pipe flange (11) is connected with a vacuum pump (2) through a connecting pipeline (3), the helium detector is characterized in that a valve (4) is connected to the connecting pipeline (3), and the vacuum pump (2) and the valve (4) are connected with the helium detector (1) through the connecting pipeline (3).
2. The pressure testing tool for the floating heat exchanger according to claim 1, characterized in that: the floating heat exchanger body (20) comprises a fixed tube plate (13) positioned on the left side and a floating tube plate (17) positioned on the right side, a pull rod (22) is installed on the inner side of the fixed tube plate (13), a baffle plate (14) is fixed outside the pull rod (22), and a heat exchange tube (15) which penetrates through the baffle plate (14) and is connected with the fixed tube plate (13) is arranged on the floating tube plate (17).
3. The pressure testing tool for the floating heat exchanger according to claim 2, characterized in that: the inner side of the floating tube plate (17) is fixed with a hook ring (16), the outer side of the floating tube plate is provided with a floating flange (18), and a seal head (19) is fixed outside the floating flange (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320141.1U CN213842547U (en) | 2020-12-31 | 2020-12-31 | Floating heat exchanger pressure test frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320141.1U CN213842547U (en) | 2020-12-31 | 2020-12-31 | Floating heat exchanger pressure test frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213842547U true CN213842547U (en) | 2021-07-30 |
Family
ID=77001005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023320141.1U Active CN213842547U (en) | 2020-12-31 | 2020-12-31 | Floating heat exchanger pressure test frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213842547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993846A (en) * | 2022-08-05 | 2022-09-02 | 山西阳煤化工机械（集团）有限公司 | Device for testing pressure of heat exchanger and using method thereof |
-
2020
- 2020-12-31 CN CN202023320141.1U patent/CN213842547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993846A (en) * | 2022-08-05 | 2022-09-02 | 山西阳煤化工机械（集团）有限公司 | Device for testing pressure of heat exchanger and using method thereof |
| CN114993846B (en) * | 2022-08-05 | 2022-10-14 | 山西阳煤化工机械（集团）有限公司 | Device for testing pressure of heat exchanger and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240617 Address after: Room 306, Building A, Science and Technology Entrepreneurship Park, No. 12 Xinke Road, High tech Zone, Daqing City, Heilongjiang Province, 163000 Patentee after: Daqing Jinhuiyuan Petroleum Drilling and Production Equipment Co.,Ltd. Country or region after: China Address before: 226003 Bayi Industrial Park, Tiansheng Road, Gangzha District, Nantong City, Jiangsu Province Patentee before: Carrerever heat transfer (Jiangsu) Co.,Ltd. Country or region before: China |