CN213541594U - Joint for testing water pressure of heat exchanger - Google Patents
Joint for testing water pressure of heat exchanger Download PDFInfo
- Publication number
- CN213541594U CN213541594U CN202022413981.6U CN202022413981U CN213541594U CN 213541594 U CN213541594 U CN 213541594U CN 202022413981 U CN202022413981 U CN 202022413981U CN 213541594 U CN213541594 U CN 213541594U
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- CN
- China
- Prior art keywords
- heat exchanger
- cover plate
- quick
- sealing layer
- joint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000002826 coolant Substances 0.000 claims abstract description 11
- 238000003892 spreading Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a joint for testing the water pressure of a heat exchanger, which is provided with a cover plate, wherein the bottom of the cover plate is bonded with a sealing layer, the middle of the cover plate is provided with an inflation tube, the lower end of the inflation tube passes through the sealing layer and extends downwards, the upper part of the inflation tube is provided with an air valve, and the lateral part of the inflation tube is provided with an outer tube quick joint; the cover plate is also provided with at least two sets of quick locking mechanisms, the quick locking mechanisms sequentially penetrate through the cover plate and the sealing layer from top to bottom, and the quick locking mechanisms are used for realizing quick connection with a cooling medium inlet and outlet on the heat exchanger shell; the utility model discloses overall structure design is simple, and convenient and fast when the test is used, and the adjustment is very nimble, to the equal adaptable connection of heat exchanger flange of the different size models in the certain limit, and it is fairly convenient to use, has fine in-service use and spreading value.
Description
Technical Field
The utility model belongs to the technical field of heat exchanger production auxiliary assembly technique and specifically relates to a connect for heat exchanger water pressure test.
Background
After the cooling pipes of the heat exchanger are welded or expanded on the shell, a water pressure test is required, namely the welded or expanded shell and the cooling pipes are integrally hoisted and placed into a test water tank, a cooling medium inlet and a cooling medium outlet are sealed, air with certain pressure is filled into the shell, the shell and the cooling pipes are immersed in water for a period of time, the air pressure change inside the shell is monitored, whether the air leakage exists or not is judged, the quality of welding seal or expansion seal of the shell is detected, the final product quality of the heat exchanger is influenced, a connecting flange is arranged at the cooling medium inlet and the cooling medium outlet on the shell of the heat exchanger, the flange needs to be sealed by an external cover plate during testing, but the currently used cover plate is directly connected with the flange on the shell through bolts, the connection is inconvenient, the efficiency is low, and most importantly, one cover plate can only be connected with the flange of one size, the device can not adapt to different sizes and models, is inconvenient to use, has low adaptability and is not beneficial to popularization.
Disclosure of Invention
The utility model aims at providing a joint for heat exchanger water pressure test to above-mentioned condition exactly, this joint mechanism global design is simple, uses very in a flexible way, all can adapt to the use to the flange of difference.
The utility model has the following concrete scheme: a joint for testing the water pressure of a heat exchanger is provided with a cover plate, a sealing layer is bonded at the bottom of the cover plate, an inflation tube is arranged in the middle of the cover plate, the lower end of the inflation tube penetrates through the sealing layer to extend downwards, an air valve is arranged at the upper part of the inflation tube, and an outer tube quick joint is arranged at the side part of the inflation tube; the cover plate is also provided with at least two sets of quick locking mechanisms, the quick locking mechanisms sequentially penetrate through the cover plate and the sealing layer from top to bottom, and the quick locking mechanisms are used for realizing quick connection with cooling medium inlets and outlets on the heat exchanger shell.
Further, in the utility model discloses in quick locking mechanism is including locking through-hole, locking hook and lock nut, wherein the locking through-hole runs through apron and sealing layer, the locking hook comprises screw rod and hook plate and the two is L shape and links together, the screw rod passes apron and sealing layer, and lock nut dress is on the screw rod and settles on the apron upper surface, the hook of hook plate cooling medium access & exit flange that is used for on the heat exchanger casing is connected.
Furthermore, in the present invention, the hook plate is a straight wide plate structure.
Furthermore, in the present invention, the fast locking mechanism has two or three sets, and the fast locking mechanism is disposed on the cover plate in an annular and uniform distribution.
Furthermore, in the present invention, the sealing layer is made of a rubber cushion layer.
The utility model discloses overall structure design is simple, and convenient and fast when the test is used, and the adjustment is very nimble, to the equal adaptable connection of heat exchanger flange of the different size models in the certain limit, and it is fairly convenient to use, has fine in-service use and spreading value.
Drawings
Fig. 1 is a schematic view of the structure of the main view direction of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention;
FIG. 3 is a schematic main sectional view of the middle cover plate and the sealing layer of the present invention;
fig. 4 is a schematic view of the present invention in use.
In the figure: the device comprises a screw rod 1, a locking nut 2, a cover plate 3, an outer pipe quick connector 4, an air valve 5, an inflation pipe 6, a sealing layer 7, a hook plate 8, a locking through hole 9, a connecting flange 10, a heat exchanger shell 11 and a test water tank 12.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings 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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model relates to a joint for testing water pressure of a heat exchanger, which comprises a cover plate 3, a sealing layer 7 is bonded at the bottom of the cover plate, an inflation tube 6 is arranged in the middle of the cover plate, the lower end of the inflation tube passes through the sealing layer and extends downwards, an air valve 5 is arranged at the upper part of the inflation tube, and an outer tube quick joint 4 is arranged at the side part of the inflation tube; the cover plate is further provided with at least two sets of quick locking mechanisms, the quick locking mechanisms sequentially penetrate through the cover plate and the sealing layer from top to bottom, and the quick locking mechanisms are used for achieving quick connection with cooling medium inlets and outlets on the heat exchanger shell 11.
Further, in this embodiment quick locking mechanism is including locking through-hole 9, locking hook and lock nut 2, wherein the locking through-hole runs through apron and sealing layer, the locking hook comprises screw rod 1 and hook plate 8 and the two is L shape and links together, the screw rod passes apron and sealing layer, and lock nut adorns on the screw rod and settles on the apron upper surface, the hook that the hook plate is used for the cooling medium access & exit flange on the heat exchanger casing is connected.
Further, in this embodiment, the hook plate is a flat and wide plate structure.
Furthermore, in this embodiment, the number of the fast locking mechanisms is two or three, and the fast locking mechanisms are uniformly distributed on the cover plate in an annular shape.
Further, in this embodiment, the sealing layer is made of a rubber cushion layer.
The utility model discloses a concrete operation is used and is gone on like this:
referring to fig. 4, when water pressure test is performed, the whole heat exchanger shell is hoisted and placed in a test water tank and is immersed in the test water tank, two sets of the connectors of the utility model are respectively connected to the upper surface of the connecting flange on the shell, one set of the connectors is connected with a test pressure gauge, and the outer pipe quick connector on the other set of the connectors is connected with an external inflation mechanism for inflation; the utility model discloses be connected with flange and be operated like this: the sealing layer is covered on the opening part of the connecting flange, the hook plate is hooked on the bottom surface of the connecting flange, and then the locking nut is rotated and utilized. The mutual action of apron up end and screw rod realizes hooking tightly locking of hook plate and flange, just can open the pneumatic valve after the locking, inflates to casing inside through outer tube quick-operation joint, closes the pneumatic valve after filling certain atmospheric pressure, places a period in aqueous, observes the atmospheric pressure condition again in order to judge whether gas leakage, whether there is the situation that welded seal does not put in place in casing inside.
The utility model discloses a hook plate on connecting is owing to can rotate, and has certain length, consequently can realize the quick hook locking connection to flange of different sizes in the certain limit, and is very convenient, realizes one set of mechanism multidimension and uses, and the suitability is strong, extremely is favorable to using widely, reduces use cost.
The utility model discloses overall structure design is simple, and convenient and fast when the test is used, and the adjustment is very nimble, to the equal adaptable connection of heat exchanger flange of the different size models in the certain limit, and it is fairly convenient to use, has fine in-service use and spreading value.
Claims (5)
1. A connect for heat exchanger water pressure test which characterized in that: the air valve is arranged at the upper part of the inflation tube, and the side part of the inflation tube is provided with an outer tube quick connector; the cover plate is also provided with at least two sets of quick locking mechanisms, the quick locking mechanisms sequentially penetrate through the cover plate and the sealing layer from top to bottom, and the quick locking mechanisms are used for realizing quick connection with cooling medium inlets and outlets on the heat exchanger shell.
2. The joint for testing the water pressure of the heat exchanger as claimed in claim 1, wherein: quick locking mechanism is including locking through-hole, locking hook and lock nut, wherein the locking through-hole runs through apron and sealing layer, the locking hook comprises screw rod and hook plate and the two is L shape and links together, the screw rod passes apron and sealing layer, and lock nut adorns on the screw rod and settles on the apron upper surface, the hook of cooling medium access & exit flange that the hook plate is used for the heat exchanger casing is connected.
3. The joint for the water pressure test of the heat exchanger as claimed in claim 2, wherein: the hook plate is of a straight wide plate structure.
4. The joint for testing the water pressure of the heat exchanger as claimed in claim 1, wherein: the quick locking mechanisms are two or three, and are uniformly distributed on the cover plate in an annular shape.
5. The joint for testing the water pressure of the heat exchanger as claimed in claim 1, wherein: the sealing layer is made of a rubber cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022413981.6U CN213541594U (en) | 2020-10-27 | 2020-10-27 | Joint for testing water pressure of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022413981.6U CN213541594U (en) | 2020-10-27 | 2020-10-27 | Joint for testing water pressure of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213541594U true CN213541594U (en) | 2021-06-25 |
Family
ID=76502244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022413981.6U Expired - Fee Related CN213541594U (en) | 2020-10-27 | 2020-10-27 | Joint for testing water pressure of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213541594U (en) |
-
2020
- 2020-10-27 CN CN202022413981.6U patent/CN213541594U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |