CN220960499U - Built-in heat exchanger core pressure testing leak hunting specialized tool - Google Patents
Built-in heat exchanger core pressure testing leak hunting specialized tool Download PDFInfo
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- CN220960499U CN220960499U CN202322530009.0U CN202322530009U CN220960499U CN 220960499 U CN220960499 U CN 220960499U CN 202322530009 U CN202322530009 U CN 202322530009U CN 220960499 U CN220960499 U CN 220960499U
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 8
- 239000010962 carbon steel Substances 0.000 claims description 8
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a pressure test and leakage detection special tool for a built-in heat exchanger core, which comprises a circular bottom plate, a cylinder, a circular connecting flange, a circular pressing plate, an upper sealing gasket and a lower sealing gasket, wherein the lower end of the cylinder is connected with the bottom plate, the upper end of the cylinder is connected with the connecting flange, the built-in heat exchanger core to be detected is arranged in the cylinder, an upper connecting plate of the built-in heat exchanger core is pressed on the connecting flange through the upper sealing gasket, a lower connecting plate of the built-in heat exchanger core is pressed on the bottom plate through the lower sealing gasket, the pressing plate is pressed on the upper connecting plate and is connected with the connecting flange through a plurality of bolts, and a water injection valve, a drain valve and a pressure gauge are arranged on the side wall of the cylinder. The utility model can form a closed space together with the upper connecting plate, the lower connecting plate and the plurality of heat exchange tubes of the built-in heat exchanger core, leak detection is carried out by pressing in the closed space, the heat exchange tubes with leakage can be rapidly and accurately found out, the maintenance efficiency is improved, and the safe and stable operation of the centrifugal compressor is ensured.
Description
Technical Field
The utility model relates to a special tool for detecting whether a built-in heat exchanger core leaks or not, and belongs to the technical field of detection.
Background
Centrifugal compressors are widely used in industrial production, and are mainly used for compressing and transporting various gases. The compressor is equipped with a plurality of gas heat exchangers between stages for cooling the interstage compression medium, and the performance of the compressor directly influences the efficiency and the operation stability of the compressor. The heat exchanger has various structural forms, and the built-in heat exchanger has the advantages of low noise, low interstage resistance and the like, is favorable for improving the compression efficiency, and is widely applied. The structure of the built-in heat exchanger core is shown in figure 1, and comprises an upper connecting plate 9, a lower connecting plate 10 and a plurality of heat exchange tubes 11, wherein the tube walls at the two ends of the heat exchange tubes 11 are respectively connected with the upper connecting plate 9 and the lower connecting plate 10 in a sealing way, the diameter of the upper connecting plate 9 is larger than that of the lower connecting plate 10, the inner cavity of each heat exchange tube 11 is communicated with the upper side of the upper connecting plate 9 and the lower side of the lower connecting plate 10, the whole built-in heat exchanger core is arranged in a shell, and when the heat exchanger works, the inner side of the heat exchange tube 11 is filled with gas to be cooled, and the outer side of the heat exchange tube is filled with cooling water to cool the gas. Because no special tool is used for detecting whether the core of the built-in heat exchanger leaks at present, the leakage of the individual heat exchange tubes is generally difficult to find, and the safe and stable operation of the centrifugal compressor cannot be ensured, the design of the special tool capable of conveniently and rapidly detecting the leakage fault of the core of the built-in heat exchanger is very necessary.
Disclosure of utility model
The utility model aims at solving the defects of the prior art and provides a special tool for pressure test and leakage detection of a built-in heat exchanger core, so as to efficiently detect and remove leakage faults of the built-in heat exchanger core and ensure safe and stable operation of a centrifugal compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a built-in heat exchanger core pressure testing leak hunting specialized tool, includes annular bottom plate, barrel, annular flange, annular clamp plate, annular upper seal gasket and annular lower seal gasket, the barrel is vertical to be placed, and the lower extreme and the bottom plate of barrel are connected, and the upper end is connected with flange, and the barrel is placed in to the built-in heat exchanger core of waiting to detect, and built-in heat exchanger core's upper junction plate presses on flange through upper seal gasket, and built-in heat exchanger core's lower junction plate presses on the bottom plate through lower seal gasket, the clamp plate presses on the upper junction plate and is connected with flange through a plurality of bolts, installs water injection valve, drain valve and manometer on the lateral wall of barrel.
The built-in heat exchanger core pressure test leak detection specialized tool, bottom plate, flange and clamp plate are all coaxial with the barrel.
The built-in heat exchanger core pressure test leak detection special tool is characterized in that the bottom plate is connected with the cylinder body, and the connecting flange is connected with the cylinder body in a welding mode.
The built-in heat exchanger core pressure test leak detection special tool is characterized in that the upper sealing gasket and the lower sealing gasket are formed by processing rubber asbestos plates.
Above-mentioned built-in heat exchanger core pressure testing leak hunting specialized tool, the water injection valve is installed in the upper end of barrel, the drain valve is installed in the lower extreme of barrel.
Above-mentioned built-in heat exchanger core pressure testing leak hunting specialized tool, the barrel is by the carbon steel pipe preparation, bottom plate, flange and clamp plate are by carbon steel sheet preparation.
The utility model can form a closed space together with the upper connecting plate, the lower connecting plate and the plurality of heat exchange tubes of the built-in heat exchanger core, leak detection is carried out by pressing in the closed space, the heat exchange tubes with leakage can be rapidly and accurately found out, the maintenance efficiency is improved, and the safe and stable operation of the centrifugal compressor is ensured.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a built-in heat exchanger core;
Fig. 2 is a schematic structural view of the present utility model.
The reference numerals in the figures are as follows: 1. the device comprises a bottom plate, 2, a cylinder body, 3, a connecting flange, 4, a pressing plate, 5, a bolt, 6, an upper sealing gasket, 7, a drain valve, 8, a lower sealing gasket, 9, an upper connecting plate, 10, a lower connecting plate, 11, a heat exchange tube, 12, a pressure gauge, 13 and a water filling valve.
Detailed Description
The utility model provides a special tool for pressure test and leakage detection of a built-in heat exchanger core, which has the advantages of simple structure, simple and convenient operation, high use efficiency and the like, can rapidly complete the pressure test and leakage detection of the built-in heat exchanger core, and helps maintenance personnel to rapidly find out a leaked heat exchange pipe and timely take plugging measures to complete the repair work of the built-in heat exchanger core.
Referring to fig. 2, the utility model mainly comprises a bottom plate 1, a cylinder 2, a connecting flange 3, a pressing plate 4, a bolt 5, an upper sealing gasket 6, a drain valve 7, a lower sealing gasket 8, a pressure gauge 12 and a water injection valve 13.
Fig. 2 shows that the bottom plate 1 is in the shape of a circular ring and is manufactured by machining a carbon steel plate according to the size and shape of the lower connecting plate 10 of the built-in heat exchanger core. The cylinder body 2 is made of carbon steel pipes, the specification and the size are determined according to the outer diameter of the built-in heat exchanger core, three holes are formed in the cylinder body, and a water injection valve 13, a water discharge valve 7 and a pressure gauge 12 are respectively arranged on the cylinder body. The connecting flange 3 is in a circular ring shape and is manufactured by machining a carbon steel plate, and is designed and manufactured according to the size and shape of an upper connecting plate 9 of the built-in heat exchanger core. The bottom plate 1 and the cylinder body 2, and the connecting flange 3 and the cylinder body 2 are connected together in a welding mode to form a combined body. The pressing plate 4 is also in a circular ring shape and is manufactured by machining a carbon steel plate, and the number and the size of bolt holes are consistent with those of the connecting flange 3. A plurality of bolts 5 are used to connect the pressure plate 4 with the connecting flange 3.
The application method of the utility model is as follows:
When in use, the combination body formed by the bottom plate 1, the cylinder body 2 and the connecting flange 3 is vertically placed, and the bottom plate 1 is arranged below. The heat exchanger core is vertically placed in the cylinder body 2 of the combined body. The lower connecting plate 10 of the heat exchanger core is contacted with the upper surface of the bottom plate 1, the middle is provided with a lower sealing gasket 8, the upper connecting plate 9 is contacted with the upper surface of the flange 3, and the middle is provided with an upper sealing gasket 6. The pressing plate 4 and the bolt 5 are installed, and the assembly is horizontally placed. Closing the drain valve 7, opening the water inlet valve 13, starting to fill water into the cylinder 2, starting to press after filling water, and simultaneously observing the reading of the pressure gauge 12. Whether leakage faults exist or not is judged according to the pressure maintaining condition, and if the leakage faults exist, the heat exchange tubes 11 can be judged by observing the humidity conditions of the upper connecting plate 9 and the lower connecting plate 10.
The utility model has simple structure, convenient operation and good effect after being used for a plurality of times on site, and can meet the requirement of pressure test and leakage detection on site of the built-in heat exchanger core.
One embodiment of the utility model is as follows:
The base plate 1: the outer diameter phi 1060mm, the thickness 40mm and the inner diameter phi 885mm.
Barrel 2: the outer diameter phi 930mm, the wall thickness 8mm and the height 900mm: the water injection valve 13 is a ball valve, the model is DN40, and is connected with a water injection pipe of the cylinder 2 through a flange; the drain valve 7 is a ball valve, the model number is DN40, and is connected with a drain pipe of the cylinder 2 through a flange; pressure gauge 12 measuring range 1.6MPA;
and (3) connecting flange 3: the outer diameter phi 1060mm, the thickness 30mm and the inner diameter phi 930mm;
And (4) pressing plate: the outer diameter phi 1060mm, the thickness 30mm and the inner diameter phi 885mm;
Bolt 5: hexagonal bolts M20x120, 16 in number, and matching nuts M20, 16;
Upper sealing gasket 6 and lower sealing gasket 8: rubber asbestos plate is selected and used, and the thickness is 3mm.
Claims (6)
1. The utility model provides a built-in heat exchanger core pressure testing leak hunting specialized tool, characterized by, including ring bottom plate (1), barrel (2), ring flange (3), ring clamp plate (4), ring upper seal gasket (6) and ring lower seal gasket (8), barrel (2) are vertical to be placed, and the lower extreme and the bottom plate (1) of barrel (2) are connected, and the upper end is connected with flange (3), waits to detect built-in heat exchanger core and place barrel (2) inside, and built-in heat exchanger core's upper junction plate (9) are pressed on flange (3) through upper seal gasket (6), and built-in heat exchanger core's lower junction plate (10) are pressed on bottom plate (1) through lower seal gasket (8), clamp plate (4) are pressed on upper junction plate (9) and are connected with flange (3) through a plurality of bolts (5), install water injection valve (13), drain valve (7) and manometer (12) on barrel (2) lateral wall.
2. The special tool for pressure test and leakage detection of the built-in heat exchanger core according to claim 1 is characterized in that the bottom plate (1), the connecting flange (3) and the pressing plate (4) are coaxial with the cylinder body (2).
3. The special tool for pressure test and leakage detection of the built-in heat exchanger core according to claim 1 or 2 is characterized in that the bottom plate (1) and the cylinder (2) and the connecting flange (3) and the cylinder (2) are connected in a welding mode.
4. A tool special for pressure test and leakage detection of a built-in heat exchanger core according to claim 3, wherein the upper sealing gasket (6) and the lower sealing gasket (8) are processed by rubber asbestos plates.
5. The special tool for pressure test and leakage detection of the built-in heat exchanger core according to claim 4, wherein the water injection valve (13) is arranged at the upper end of the cylinder (2), and the water discharge valve (7) is arranged at the lower end of the cylinder (2).
6. The special tool for pressure test and leakage detection of the built-in heat exchanger core according to claim 5, wherein the cylinder body (2) is made of carbon steel pipes, and the bottom plate (1), the connecting flange (3) and the pressing plate (4) are made of carbon steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322530009.0U CN220960499U (en) | 2023-09-18 | 2023-09-18 | Built-in heat exchanger core pressure testing leak hunting specialized tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322530009.0U CN220960499U (en) | 2023-09-18 | 2023-09-18 | Built-in heat exchanger core pressure testing leak hunting specialized tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960499U true CN220960499U (en) | 2024-05-14 |
Family
ID=90976401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322530009.0U Active CN220960499U (en) | 2023-09-18 | 2023-09-18 | Built-in heat exchanger core pressure testing leak hunting specialized tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960499U (en) |
-
2023
- 2023-09-18 CN CN202322530009.0U patent/CN220960499U/en active Active
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