CN219694457U - Detection device of plate heat exchanger - Google Patents
Detection device of plate heat exchanger Download PDFInfo
- Publication number
- CN219694457U CN219694457U CN202321234993.XU CN202321234993U CN219694457U CN 219694457 U CN219694457 U CN 219694457U CN 202321234993 U CN202321234993 U CN 202321234993U CN 219694457 U CN219694457 U CN 219694457U
- Authority
- CN
- China
- Prior art keywords
- ring
- detection device
- heat exchanger
- plate heat
- expansion
- Prior art date
- 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.)
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000001307 helium Substances 0.000 claims abstract description 37
- 229910052734 helium Inorganic materials 0.000 claims abstract description 37
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a detection device of a plate heat exchanger, which comprises a detection device body, an expansion mechanism and a sealing mechanism, wherein a helium pipeline is connected to the detection device body, the expansion mechanism is connected to the helium pipeline, the expansion mechanism comprises a fixed ring, a sliding ring is arranged on the fixed ring, a plurality of expansion blocks which are uniformly distributed are arranged outside the fixed ring, the sealing mechanism is connected to the sliding ring, a positioning ring is connected to the outer part of the helium pipeline, the helium pipeline penetrates through the fixed ring and the sliding ring, a plurality of ventilation pipelines are connected to the fixed ring, the ventilation pipelines penetrate through the fixed ring and the helium pipeline, balance bars are connected to the expansion blocks, and positioning grooves matched with the balance bars are cut into the expansion blocks. According to the utility model, through the arrangement of the corresponding mechanism on the detection device, the butt joint mode between the detection device and the plate heat exchanger is optimized, so that the butt joint method is more convenient and faster, time and labor are saved, the detection efficiency is improved, and the benefit of a user is improved.
Description
Technical Field
The utility model belongs to the technical field of detection devices, and particularly relates to a detection device of a plate heat exchanger.
Background
The plate heat exchanger has the advantages of high performance, space saving, low energy consumption, simple maintenance, modular application and the like, is widely applied to the field of heat exchange, and mainly comprises a series of parts including a plate heat exchanger plate, a plate heat exchanger sealing ring, a fixed compression plate, a movable compression plate, an upper guide rod, a lower guide rod, a clamping bolt and the like, wherein the plate pairs are connected together in a welding mode by two plates which are processed by stamping, and in order to ensure the quality of the plate heat exchanger, the plate pairs in the plate heat exchanger are required to be subjected to quality detection.
The plate heat exchanger has two channels for the passage of gas or liquid, called a first channel and a second channel, which are not in communication, the two channels being for the passage of different fluids for heat exchange. The disqualified plate heat exchanger can have two conditions of external leakage and internal leakage, when helium leaks from the surface of the plate heat exchanger after the plate heat exchanger is filled with helium, the condition is called external leakage, and when helium in the first channel of the plate heat exchanger is left in the second channel or the helium flows into the first channel from the second channel, the condition is called internal leakage.
At present, when detecting the plate heat exchanger, need to communicate detection device with the passageway on the plate heat exchanger, at present generally adopt the connected mode of bolt, and this kind of mode is stronger, but the producer need detect a large amount of plate heat exchangers, and the connected mode dismouting of bolt is complicated, and is not convenient enough, not only wastes time and energy, still needs to use multiple instrument, and the efficiency of detection is relatively poor, influences user's income.
Therefore, in view of the above-mentioned technical problems, it is necessary to provide a detection device for a plate heat exchanger.
Disclosure of Invention
The utility model aims to provide a detection device of a plate heat exchanger, which solves the problems that the detection device is connected with the plate heat exchanger in a butt joint mode by bolts, the disassembly and the assembly are complex, and the detection efficiency is affected.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
a detection device for a plate heat exchanger, comprising: the device comprises a detection device body, an expansion mechanism and a sealing mechanism;
the helium pipeline is connected to the detection device body;
the helium pipeline is connected with an expansion mechanism, the expansion mechanism comprises a fixed ring, a sliding ring is arranged on the fixed ring, and a plurality of expansion blocks which are uniformly distributed are arranged outside the fixed ring;
and the sliding ring is connected with a sealing mechanism.
Further, a positioning ring is connected to the outside of the helium pipeline, a fixed point is provided for the electric telescopic rod, and when the electric telescopic rod operates, the sliding ring can be driven to slide by pushing the positioning ring;
the helium pipeline penetrates through the fixed ring and the sliding ring, so that the sliding of the sliding ring is facilitated, and helium enters the heat exchanger conveniently;
a plurality of ventilation pipelines are connected in the fixing ring, when one heat exchange plate is detected independently, the bottom of the helium pipeline can be blocked, and the ventilation pipelines can pass through the helium at the moment;
the ventilating duct penetrates through the fixing ring and the helium pipeline, and ventilation of air in the ventilating duct is facilitated.
Further, the balance rod is connected in the expansion block, so that the balance of the expansion block is improved, the inclination probability of the expansion block is reduced, and the expansion block can slide;
and a positioning groove matched with the balance rod is cut in the expansion block, so that the expansion block and the balance rod can perform relative displacement, and the balance rod is connected with the fixed ring.
Further, a connecting rod is connected between the expansion block and the sliding ring, and when the sliding ring slides, the expansion block can be driven to displace, so that the expansion block can eject the sealing air bag;
the bearing is connected between the sliding ring and the helium pipeline, so that the sliding of the sliding ring is facilitated, and the sliding of the sliding ring is more stable and smooth;
an electric telescopic rod is connected between the sliding ring and the positioning ring, and can automatically stretch and retract through control, and the electric telescopic rod stretches when detection is needed.
Further, the sealing mechanism comprises an air pump which can pump out air to expand or contract the sealing air bag;
the sealing air bags are connected to the outside of the expansion blocks, so that holes of the heat exchanger can be sealed, and the possibility of helium leakage is reduced;
the air pump and the sealing air bag are connected through a communication pipeline, the air pump and the sealing air bag are communicated, the sealing air bag can expand or contract, and the communication pipeline penetrates through the sealing air bag (302).
Compared with the prior art, the utility model has the following advantages:
according to the utility model, through the arrangement of the corresponding mechanism on the detection device, the butt joint mode between the detection device and the plate heat exchanger is optimized, so that the butt joint method is more convenient and faster, time and labor are saved, the detection efficiency is improved, and the benefit of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a front cross-sectional view of a plate heat exchanger inspection apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;
FIG. 3 is a perspective view of a detecting device of a plate heat exchanger according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of the structure at B in fig. 1.
In the figure: 1. the device comprises a detection device body, 101, a helium pipeline, 2, an expansion mechanism, 201, a fixing ring, 202, a sliding ring, 203, an expansion block, 204, a positioning ring, 205, a ventilation pipeline, 206, a balance rod, 207, a connecting rod, 208, a bearing, 209, an electric telescopic rod, 3, a sealing mechanism, 301, an air pump, 302, a sealing air bag and 303, and a communication pipeline.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.
The utility model discloses a detection device of a plate heat exchanger, which is shown in figures 1-4 and comprises: the detecting device comprises a detecting device body 1, an expanding mechanism 2 and a sealing mechanism 3.
Referring to fig. 1-3, the helium pipeline 101 is connected to the detecting device body 1, the expanding mechanism 2 is connected to the helium pipeline 101, and the expanding mechanism 2 comprises a fixing ring 201, so that the installation of the balance rod 206 is facilitated, the stability of the expanding block 203 is improved, and the sliding of the expanding block 203 is smoother.
Wherein, the fixed ring 201 is provided with a sliding ring 202, and the sliding of the expansion block 203 can be driven by lifting, so that the expansion block 203 extrudes the sealing air bag 302.
In addition, a plurality of expansion blocks 203 which are uniformly distributed are arranged outside the fixed ring 201, holes on the heat exchange plate can be blocked by sliding, and the possibility of helium leakage is reduced.
Referring to fig. 1-3, the helium pipeline 101 is externally connected with a positioning ring 204, which provides a fixed point for the electric telescopic rod 209, so that the sliding ring 202 can be driven to slide by pushing the positioning ring 204 when the electric telescopic rod 209 operates.
The helium gas pipeline 101 penetrates through the fixed ring 201 and the sliding ring 202, so that the sliding of the sliding ring 202 is facilitated, and helium gas enters the heat exchanger conveniently.
In addition, a plurality of ventilation pipes 205 are connected to the fixing ring 201, and when one heat exchange plate is separately detected, the bottom of the helium pipe 101 is blocked, and the ventilation pipes 205 can pass through the helium gas.
In other words, the ventilation duct 205 is provided through the fixing ring 201 and the helium gas duct 101, facilitating the circulation of air in the ventilation duct 205.
As shown in fig. 1 to 4, the balance bar 206 is connected to the expansion block 203, so that the balance of the expansion block 203 is improved, the inclination probability of the expansion block 203 is reduced, and the expansion block 203 can slide.
Wherein, the expansion block 203 is internally provided with a positioning groove matched with the balance bar 206, so that the expansion block 203 and the balance bar 206 can relatively displace, and the balance bar 206 is connected with the fixed ring 201.
Referring to fig. 1-2, a connecting rod 207 is connected between the expansion block 203 and the sliding ring 202, and when the sliding ring 202 slides, the expansion block 203 can be driven to displace, so that the expansion block 203 can eject the sealing air bag 302.
In addition, the bearing 208 is connected between the sliding ring 202 and the helium pipeline 101, so that the sliding of the sliding ring 202 is facilitated, and the sliding of the sliding ring 202 is more stable and smooth.
In addition, an electric telescopic rod 209 is connected between the sliding ring 202 and the positioning ring 204, and the electric telescopic rod 209 can be automatically telescopic through control, and can be stretched when detection is needed.
Referring to fig. 1 to 4, a sealing mechanism 3 is connected to the sliding ring 202, and the sealing mechanism 3 includes an air pump 301 that can pump air to expand or contract the sealing air bag 302.
The sealing air bags 302 are connected to the outside of the expansion blocks 203, so that holes of the heat exchanger can be sealed, and the possibility of helium leakage is reduced.
A communication pipe 303 is connected between the air pump 301 and the seal airbag 302, and the air pump 301 and the seal airbag 302 are communicated, so that the seal airbag 302 can be inflated or deflated, and the communication pipe 303 is provided so as to penetrate the seal airbag 302.
The technical scheme shows that the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the corresponding mechanism on the detection device, the butt joint mode between the detection device and the plate heat exchanger is optimized, so that the butt joint method is more convenient and faster, time and labor are saved, the detection efficiency is improved, and the benefit of a user is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (5)
1. A plate heat exchanger's detection device, characterized in that includes:
the detecting device comprises a detecting device body (1), wherein a helium pipeline (101) is connected to the detecting device body (1);
the expansion mechanism (2) is connected to the helium pipeline (101), the expansion mechanism (2) comprises a fixed ring (201), a sliding ring (202) is arranged on the fixed ring (201), and a plurality of expansion blocks (203) which are uniformly distributed are arranged outside the fixed ring (201);
and a sealing mechanism (3) connected to the sliding ring (202).
2. The detection device of a plate heat exchanger according to claim 1, wherein a positioning ring (204) is connected to the outside of the helium gas pipe (101), the helium gas pipe (101) is arranged to penetrate through the fixing ring (201) and the sliding ring (202), a plurality of ventilation pipes (205) are connected to the fixing ring (201), and the ventilation pipes (205) are arranged to penetrate through the fixing ring (201) and the helium gas pipe (101).
3. The detection device of a plate heat exchanger according to claim 2, wherein a balance bar (206) is connected in the expansion block (203), a positioning groove matched with the balance bar (206) is cut into the expansion block (203), and the balance bar (206) is connected with a fixed ring (201).
4. A plate heat exchanger detection device according to claim 3, characterized in that a connecting rod (207) is connected between the expansion block (203) and the sliding ring (202), a bearing (208) is connected between the sliding ring (202) and the helium gas pipe (101), and an electric telescopic rod (209) is connected between the sliding ring (202) and the positioning ring (204).
5. The detection device of a plate heat exchanger according to claim 1, wherein the sealing mechanism (3) comprises an air pump (301), a plurality of expansion blocks (203) are externally connected with a sealing air bag (302), a communicating pipeline (303) is connected between the air pump (301) and the sealing air bag (302), and the communicating pipeline (303) penetrates through the sealing air bag (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234993.XU CN219694457U (en) | 2023-05-22 | 2023-05-22 | Detection device of plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234993.XU CN219694457U (en) | 2023-05-22 | 2023-05-22 | Detection device of plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694457U true CN219694457U (en) | 2023-09-15 |
Family
ID=87938340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234993.XU Active CN219694457U (en) | 2023-05-22 | 2023-05-22 | Detection device of plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694457U (en) |
-
2023
- 2023-05-22 CN CN202321234993.XU patent/CN219694457U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |