CN211401589U - Detection device for heat exchanger - Google Patents
Detection device for heat exchanger Download PDFInfo
- Publication number
- CN211401589U CN211401589U CN201921998613.3U CN201921998613U CN211401589U CN 211401589 U CN211401589 U CN 211401589U CN 201921998613 U CN201921998613 U CN 201921998613U CN 211401589 U CN211401589 U CN 211401589U
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- heat exchanger
- shell
- pressure gauge
- plate heat
- positive pressure
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Abstract
The utility model discloses a detection device for a heat exchanger, which comprises a shell with an opening top, a sealing cover covering the top of the shell and a plate heat exchanger, wherein a support for placing the plate heat exchanger is arranged in the shell; the vacuum pump is arranged on one side of the outer portion of the shell, the vacuum tube is arranged between the vacuum pump and the shell, the valve is arranged on the vacuum tube, and the negative pressure meter is further arranged on the side wall of the outer portion of the shell. The utility model discloses can be quick effectual detect simple operation and with low costs to plate heat exchanger's the condition of revealing.
Description
Technical Field
The utility model relates to a detection device for heat exchanger belongs to heat exchanger and detects technical field.
Background
Plate heat exchanger generally has four take over mouth or four above take over mouth, when plate heat exchanger comes into operation, generally need detect plate heat exchanger and whether can leak outward, prevents that there is unqualified plate heat exchanger flow direction market. The existing detection method is to place the plate heat exchanger into water, the detection method in the water is generally visual, the method can only visually detect large leakage, then the leakage is judged by bubbling air bubbles in the water, the leakage is difficult to detect if the leakage occurs, and a small air bubble is bubbled for a long time, so that the detection of workers is very difficult and easy to make mistakes, and the production efficiency and the quality of products are seriously influenced. Most of the existing equipment for detecting the leakage of the plate heat exchanger are complex in structure, high in cost, long in operation time of workers and low in working efficiency.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides a detection device for heat exchanger can quick effectual detection, easy operation and with low costs to plate heat exchanger's the condition of revealing.
The utility model discloses the technical scheme who adopts does:
a detection device for a heat exchanger comprises a shell with an open top, a sealing cover covering the top of the shell and a plate heat exchanger, wherein a support for placing the plate heat exchanger is arranged in the shell; the vacuum pump is arranged on one side of the outer portion of the shell, the vacuum tube is arranged between the vacuum pump and the shell, the valve is arranged on the vacuum tube, and the negative pressure meter is further arranged on the side wall of the outer portion of the shell.
Preferably, the housing is a transparent material.
Preferably, a clamping block for sealing with the top of the shell is formed at the bottom of the sealing cover, and a clamping groove for clamping the clamping block is formed at the top of the shell.
Preferably, a sealing gasket used for being matched with the clamping block is further arranged in the clamping groove.
Further preferably, the positive pressure gauge I, the positive pressure gauge II and the negative pressure gauge transmit the pressure signals to a central control room for display.
The beneficial effects of the utility model reside in that:
the leakage condition of the plate heat exchanger is detected through the reading changes of the positive pressure gauge I, the positive pressure gauge II and the negative pressure gauge, so that the detection is quick and convenient; and when the vacuum pump vacuumizes the shell, the leakage condition of the plate heat exchanger can be measured more quickly according to the change of the first positive pressure gauge and the second positive pressure gauge.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
the main reference numerals in the figures have the following meanings:
1. the device comprises a shell, 2, a sealing cover, 3, a plate heat exchanger, 4, a support, 5, a three-way valve, 6, a first positive pressure gauge, 7, a second positive pressure gauge, 8, a first air inlet valve, 9, a vacuum pump, 10, a vacuum tube, 11, a valve, 12, a negative pressure gauge, 13, a clamping block, 14, a clamping groove, 15, a sealing gasket, 16 and a second air inlet valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2: a detection device for a heat exchanger comprises a shell 1 with an open top, a sealing cover 2 covering the top of the shell 1 and a plate heat exchanger 3, wherein a support 4 for placing the plate heat exchanger 3 is arranged in the shell 1, two inlet pipelines opposite to each other on the plate heat exchanger 3 are respectively connected with a three-way valve 5, two interfaces of one three-way valve 5 are respectively connected with a positive pressure gauge I6 and an air inlet valve I8, and two interfaces of the other three-way valve 5 are respectively connected with a positive pressure gauge II 7 and an air inlet valve II 16; a vacuum pump 9 is arranged on one side of the outside of the shell 1, a vacuum pipe 10 is arranged between the vacuum pump 9 and the shell 1, a valve 11 is arranged on the vacuum pipe 10, a negative pressure gauge 12 is further arranged on the side wall of the outside of the shell 1, and a pressure signal is transmitted to a central control room for display by the positive pressure gauge 6, the positive pressure gauge 7 and the negative pressure gauge 12.
In order to facilitate the on-site observation of the reading of the positive pressure gauge 7, the shell 1 is made of a transparent material;
a clamping block 13 for sealing with the top of the shell 1 is formed at the bottom of the sealing cover 2, and a clamping groove 14 for clamping the clamping block 13 is formed at the top of the shell 1; and a sealing gasket 15 for being matched with the fixture block 13 is also arranged in the clamping groove 14.
The utility model discloses when in actual application, block up two other interfaces of plate heat exchanger 5 to close admission valve 8, then fill into a certain amount of compressed gas in plate heat exchanger 5 through admission valve two 16 on another three-way valve 5 on plate heat exchanger 3, then observe the display numerical value of positive pressure table two 7 and the display numerical value of positive pressure table one 6, if the display numerical value of positive pressure table one 6 rises, prove that plate heat exchanger 5 leaks in; if the display value of the first positive pressure gauge 6 is unchanged, then compressed gas is filled into the other side of the plate type heat exchanger 5 through the first air inlet valve 8, a certain pressure difference exists between the second positive pressure gauge 7 and the first positive pressure gauge 6, then the plate type heat exchanger 5 is placed on the support 4 in the shell 1 and is covered with the sealing cover 2 to be compacted, the vacuum pump 9 is started to vacuumize the shell 1, and when the negative pressure gauge 12 reaches a certain negative pressure, the vacuum pump 9 is stopped and the valve on the vacuum tube 10 is closed.
When the vacuum pump 9 carries out vacuumizing operation in the shell 1, pressure values of the first positive pressure gauge 6 and the second positive pressure gauge 7 are observed in the central control room, if the pressure values in the first positive pressure gauge 6 and the second positive pressure gauge 7 are reduced, the fact that leakage exists on two sides of the plate heat exchanger 5 is indicated, and if the value of one pressure gauge is reduced, the fact that leakage exists on the plate heat exchanger 5 on the corresponding side of the pressure gauge is indicated.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A detection device for a heat exchanger is characterized in that: the device comprises a shell (1) with an open top, a sealing cover (2) and a plate heat exchanger (3), wherein the sealing cover (2) and the plate heat exchanger (3) are covered on the top of the shell (1), a support (4) for placing the plate heat exchanger (3) is arranged in the shell (1), two inlet pipelines which are opposite to each other on the plate heat exchanger (3) are respectively connected with a three-way valve (5), two interfaces of one three-way valve (5) are respectively connected with a first positive pressure gauge (6) and a first air inlet valve (8), and two interfaces of the other three-way valve (5) are respectively connected with a second positive pressure gauge (7) and a second air; the vacuum pump (9) is arranged on one side of the outer portion of the shell (1), a vacuum tube (10) is arranged between the vacuum pump (9) and the shell (1), a valve (11) is arranged on the vacuum tube (10), and a negative pressure meter (12) is further arranged on the outer side wall of the shell (1).
2. A testing device for a heat exchanger according to claim 1, characterized in that the casing (1) is of a transparent material.
3. The heat exchanger detection device according to claim 1, wherein a clamping block (13) for sealing with the top of the housing (1) is formed at the bottom of the sealing cover (2), and a clamping groove (14) for clamping the clamping block (13) is formed at the top of the housing (1).
4. The detection device for the heat exchanger as claimed in claim 3, wherein a sealing gasket (15) for fitting with the block (13) is further arranged in the slot (14).
5. The heat exchanger detection device as claimed in claim 1, wherein the first positive pressure gauge (6), the second positive pressure gauge (7) and the negative pressure gauge (12) transmit pressure signals to a central control room for display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998613.3U CN211401589U (en) | 2019-11-19 | 2019-11-19 | Detection device for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998613.3U CN211401589U (en) | 2019-11-19 | 2019-11-19 | Detection device for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401589U true CN211401589U (en) | 2020-09-01 |
Family
ID=72230824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921998613.3U Active CN211401589U (en) | 2019-11-19 | 2019-11-19 | Detection device for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211401589U (en) |
-
2019
- 2019-11-19 CN CN201921998613.3U patent/CN211401589U/en active Active
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