CN220472397U - Detachable tensioner for plate heat exchanger - Google Patents
Detachable tensioner for plate heat exchanger Download PDFInfo
- Publication number
- CN220472397U CN220472397U CN202321857291.7U CN202321857291U CN220472397U CN 220472397 U CN220472397 U CN 220472397U CN 202321857291 U CN202321857291 U CN 202321857291U CN 220472397 U CN220472397 U CN 220472397U
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- heat exchanger
- plate
- plate heat
- steel
- mounting
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the technical field of heat exchanger maintenance tools, and particularly relates to a detachable tensioner for a plate heat exchanger. The detachable tensioner adopts a connecting plate made of I-steel, mounting holes are respectively formed in two ends of the I-steel, a mounting support is fixedly connected to one side face of the I-steel, a screw jack is mounted in the mounting support, two abutting rigid sleeves are respectively arranged on two screw rods of the plate heat exchanger in a penetrating mode until the two abutting rigid sleeves are in contact with fixing nuts on the screw rods, and then the connecting plate is arranged on the two screw rods of the plate heat exchanger in a penetrating mode through the two mounting holes, and the two nuts are used for achieving fixed mounting. The field maintenance personnel can make the end part of the piston rod of the field maintenance personnel contact with the pressing plate of the plate heat exchanger by operating the screw jack, so that the plate and the pressing plate of the plate heat exchanger are compressed to a specified size, and the sealing effect during use is met.
Description
Technical Field
The utility model belongs to the technical field of heat exchanger maintenance tools, and particularly relates to a detachable tensioner for a plate heat exchanger.
Background
The plate heat exchanger is formed by stacking a series of metal plates with certain corrugated shapes, and thin rectangular channels are formed among the various metal plates for heat exchange. The device is ideal equipment for carrying out heat exchange between liquid and between liquid and vapor, and has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, convenient installation and cleaning, wide application, long service life and the like.
Compared with the tube type heat exchanger, the heat transfer coefficient ratio is 3-5 times, the occupied area is one third of that of the tube type heat exchanger, and the heat recovery rate can be up to more than 90%. But is sensitive to the change of cold and hot media, and the repeated and trace heat change and pressure fluctuation easily cause the damage of the sheet sealing gasket or the sealing plastic failure to leak. However, leakage has consequences for the chemical industry, both pollution and stopping. Therefore, how to quickly eliminate pollution and shorten the parking time, and quick and efficient maintenance become key.
Disclosure of Invention
Aiming at the problems of pollution and stopping caused by leakage of a plate sealing gasket or sealing plastic failure of the plate heat exchanger in the background art, the utility model provides a detachable tensioner for the plate heat exchanger according to the requirement of high-efficiency and quick overhaul.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a detachable elasticity ware for plate heat exchanger, is including connecting the plate, the connecting plate is made by the I-steel, is provided with the installation perforation respectively at the both ends of I-steel, fixedly connected with erection support on the side of I-steel, installs screw jack in it, the connecting plate wears to establish on two screws of plate heat exchanger through two installation perforations to adopt two nut fixed mounting, screw jack's piston rod tip contacts with plate heat exchanger's clamp plate.
As the further supplementary explanation of above-mentioned technical scheme, still including two conflict rigid sleeve pipes, two conflict rigid sleeve pipes cover respectively establish on two screw rods of plate heat exchanger, and be located between plate heat exchanger's clamp plate and the connection plate, two conflict rigid sleeve pipes are used for reducing the screw down stroke of two nuts, and then reduce fixed mounting the time of connection plate.
As a further supplementary explanation of the above technical scheme, two positioning slots corresponding to the abutting rigid sleeve are arranged on the I-steel on one side of the mounting support, the positioning slots and the mounting perforation are positioned on the same axis, and the aperture of the positioning slots is larger than that of the mounting perforation.
As a further supplementary illustration of the above technical solution, at least two fastening bolts are provided on the i-steel, which fastening bolts fixedly mount the screw jack in the mounting bracket by screwing in.
As a further supplementary explanation of the technical scheme, the upper grooves and the lower grooves at the two ends of the I-steel are respectively welded with a reinforced steel plate, and the reinforced steel plates are used for reinforcing the stability of the whole structure of the connecting plate, preventing deformation in use and further prolonging the service life of the connecting plate.
Compared with the traditional knocking dismounting and mounting mode, the utility model has the following advantages:
1. the utility model adopts a connecting plate made of I-steel, mounting holes are respectively arranged at two ends of the I-steel, a mounting support is fixedly connected to one side surface of the I-steel, and a screw jack is arranged in the I-steel. According to the utility model, the two mounting holes are penetrated on the two screw rods of the plate heat exchanger, the connecting plate is fixedly mounted on the plate heat exchanger by adopting the two screw caps, and on-site maintenance personnel operate the screw jack to enable the end part of the piston rod of the screw jack to be in contact with the pressing plate of the plate heat exchanger, so that the plate and the pressing plate of the plate heat exchanger are compressed to a specified size, and the sealing effect during use is met.
2. The utility model is convenient for on-site installation and disassembly, and the maintenance efficiency is obviously improved. Meanwhile, the manpower and material resources are saved.
3. The screw jack is safer than a hydraulic jack, free extension and shortening can be realized, and the service life of the screw jack is longer and safer than that of the hydraulic jack in the special plate replacement clamp. The screw jack can be used for other plate heat exchangers after being disassembled, the special plate heat exchanger clamping device is high in price and single in function, and the screw jack cannot be widely applied to plate heat exchangers of other specifications under the condition of not replacing a hydraulic spanner.
4. The utility model has the advantages of quick manufacture and low cost, and can be customized according to different plate replacement sizes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the connecting plate according to the present utility model;
fig. 3 is a reference view of the use of the utility model in a plate heat exchanger.
In the figure: the connecting plate is 1, the mounting support is 2, the screw jack is 3, the abutting rigid sleeve is 4, the reinforcing steel plate is 5, the fastening bolt is 6, the nut is 7, and the plate heat exchanger is 8.
Wherein, the connection plate includes: i-steel is 101, and the installation perforation is 102, and the location slotted hole is 103.
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is further described through the optimal embodiment according to the maintenance and construction conditions of the on-site plate heat exchanger with reference to the accompanying drawings from 1 to 3.
As shown in fig. 1 and 2, a removable tensioner for a plate heat exchanger comprises two abutting rigid bushings 4, a connecting plate 1 and a screw jack 3.
The connecting plate 1 is made of I-steel 101, mounting holes 102 are respectively formed in two ends of the I-steel 101, two positioning slots 103 are concentrically formed in the I-steel 101 located on one side of the mounting support 2, and the aperture of each positioning slot 103 is larger than that of each mounting hole 102. Meanwhile, reinforcing steel plates 5 are welded in the upper and lower grooves at the two ends of the I-steel 101 respectively, and the reinforcing steel plates 5 are used for reinforcing the stability of the whole structure of the connecting plate 1 and preventing deformation in use. In addition, a mounting support 2 is fixedly connected to one side surface of the i-beam 101, at least two fastening bolts 6 are arranged on the i-beam 101, the screw jack 3 is placed in the mounting support 2, and the screw jack 3 is fixedly mounted by screwing the fastening bolts 6.
As shown in fig. 3, the two abutting rigid sleeves 4 are respectively inserted into the two screw rods of the plate heat exchanger 8 until contacting with the fixing nuts on the screw rods, then the connecting plate 1 is inserted into the two screw rods of the plate heat exchanger 8 through the two mounting holes 102, and the fixing installation is realized by adopting the two nuts 7, and meanwhile, the two abutting rigid sleeves 4 are respectively inserted into the two positioning slots 103, so that the positioning connection is also completed.
In the above embodiment, the two interference rigid bushings 4 are used to reduce the tightening stroke of the two nuts 7, thereby reducing the time for fixedly mounting the connection plate member 1.
The working principle is as follows: the plate heat exchanger used in the present place has a net weight of 3664kg, a heat exchange area of 325.5 square meters and a single pressing plate weight of 1.5 tons (length 2.2 meters, width 1.3 meters and thickness 80 mm). For example, in the overhaul and installation (dismantling) process, a screw jack is operated according to the pre-tightening force required by the site to carry out 250mm alternate knocking compaction on 256 sheets of plates (with nitrile rubber gaskets) and a pressing plate by using 10 screws with M36 mm 2500mm, and the nitrile rubber gaskets are compressed to the specified size, so that the sealing effect in use is met.
The disassembly and assembly of the sealing gasket sheet can be completed by more than 6 persons in turn and about 6 hours of knocking according to the traditional knocking, wherein the time for replacing the sealing gasket sheet is not included. However, the clamp manufactured by the utility model is disassembled and assembled once, and the 250mm can be completed by 3 persons for about 3 hours. Therefore, the clamping device can effectively save manpower and material resources in the maintenance process, and improve the maintenance efficiency.
While the principal features and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the detailed description of the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the utility model, and the inventive concept and design concept of the utility model shall be equally included in the scope of the utility model disclosed in the appended claims. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and those skilled in the art should understand that the disclosure as a whole may also be combined appropriately to form other embodiments that will be understood by those skilled in the art.
Claims (5)
1. A removable tensioner for a plate heat exchanger, characterized by: including connecting plate (1), connecting plate (1) is made by I-steel (101), is provided with installation perforation (102) respectively at the both ends of I-steel (101), fixedly connected with erection support (2) on one side of I-steel (101), installs screw jack (3) in it, connecting plate (1) wears to establish on two screws of plate heat exchanger (8) through two installation perforation (102) to adopt two nut (7) fixed mounting, the piston rod tip of screw jack (3) contacts with the clamp plate of plate heat exchanger (8).
2. A removable tensioner for a plate heat exchanger according to claim 1, wherein: still including two conflict rigid sleeve (4), two conflict rigid sleeve (4) overlap respectively and establish on two screws of plate heat exchanger (8), and be located between clamp plate and the connection plate (1) of plate heat exchanger (8), two conflict rigid sleeve (4) are used for reducing the screw stroke of two nuts (7), and then reduce fixed mounting the time of connection plate (1).
3. A removable tensioner for a plate heat exchanger according to claim 2, wherein: two positioning slotted holes (103) corresponding to the abutting rigid sleeve (4) are formed in the I-shaped steel (101) located on one side of the mounting support (2), the positioning slotted holes (103) and the mounting through holes (102) are located on the same axis, and the aperture of the positioning slotted holes is larger than that of the mounting through holes (102).
4. A removable tensioner for a plate heat exchanger according to any one of claims 1 to 3, wherein: at least two fastening bolts (6) are arranged on the I-steel (101), and the fastening bolts (6) fixedly install the screw jack (3) in the installation support (2) through screwing.
5. A removable tensioner for a plate heat exchanger according to claim 4, wherein: reinforcing steel plates (5) are welded in upper and lower grooves at two ends of the I-steel (101) respectively, and the reinforcing steel plates (5) are used for reinforcing the stability of the integral structure of the connecting plate (1) and preventing deformation in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857291.7U CN220472397U (en) | 2023-07-14 | 2023-07-14 | Detachable tensioner for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857291.7U CN220472397U (en) | 2023-07-14 | 2023-07-14 | Detachable tensioner for plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472397U true CN220472397U (en) | 2024-02-09 |
Family
ID=89804449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857291.7U Active CN220472397U (en) | 2023-07-14 | 2023-07-14 | Detachable tensioner for plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472397U (en) |
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2023
- 2023-07-14 CN CN202321857291.7U patent/CN220472397U/en active Active
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