CN206920096U - A kind of pressure testing device for finned heat exchanger - Google Patents
A kind of pressure testing device for finned heat exchanger Download PDFInfo
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- CN206920096U CN206920096U CN201720763223.2U CN201720763223U CN206920096U CN 206920096 U CN206920096 U CN 206920096U CN 201720763223 U CN201720763223 U CN 201720763223U CN 206920096 U CN206920096 U CN 206920096U
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Abstract
It the utility model is related to technical field of heat exchange equipment, propose the pressure testing device for finned heat exchanger, air inlet, exhaust outlet, pressure tap and at least one test mouth are provided with more parts, supercharger is connected with supply main line, the air outlet slit of supercharger is connected through check valve with high pressure tank, high pressure tank is connected with the air inlet pipeline of more parts, and the first electro connecting pressure gauge, pressure reducer and the first magnetic valve are disposed with the connecting line；The test mouth of more parts is connected by high-pressure rubber pipe and action pressure-testing joint with heat exchanger, and heat exchanger is placed in tank；The pressure tap of more parts sets the second electro connecting pressure gauge, the exhaust outlet of more parts is connected with supply main line, and second solenoid valve is provided with the connecting line, ECU electrically connects with supercharger, the first electro connecting pressure gauge, the second electro connecting pressure gauge, the first magnetic valve, second solenoid valve respectively.The accurate leak detection of achievable heat exchanger of the present utility model, and it is simple to operate, safety coefficient is high.
Description
Technical field
It the utility model is related to technical field of heat exchange equipment, and in particular to a kind of heat exchanger pressure testing device.
Background technology
The key index of the quality quality of sealing heat exchanger, needs to carry out pressure testing to it, to ensure when heat exchanger dispatches from the factory
Its sealing is good.Existing frequently-used pressure testing mode is examined for water, i.e., is put into water after compressed air or nitrogen are filled with heat exchanger
In, check whether to reveal.Applied to the heat exchanger under different operating modes, its operating pressure is different, it is therefore desirable to the high pressure of different pressures
Air is tested to complete leak detection, especially for the heat exchanger that operating pressure is larger（Such as the operating pressure of co 2 heat exchanger
It is 8MPA）Corresponding pressure-air and supporting joint and pressure testing rifle are also required to carry out pressure testing test, existing leak test plant
Hi-pot test requirement can not be met.Meanwhile in the inspection of existing water, it usually needs eye-observation judges whether to leak, and examines
Accuracy is surveyed to be difficult to ensure that；Gases at high pressure after detection lack recovery link, the problem of gas waste be present.
Utility model content
To solve problems of the prior art, the utility model proposes a kind of pressure testing for finned heat exchanger
Device, can meet the leak detection of the heat exchanger, especially high pressure heat exchanger of different operating pressure, and with accuracy of detection is high, safety
The advantages that coefficient is high and avoids gas from wasting.
To achieve the above object, the technical solution adopted in the utility model is：It is proposed a kind of for finned heat exchanger
Pressure testing device, including supercharger, high pressure tank, pressure reducer, more parts, tank and ECU, set in more parts
There are an air inlet, an exhaust outlet, a pressure tap and at least one test mouth, supercharger passes through pipeline and supply main line
Connection, the air outlet slit of supercharger are connected through check valve with high pressure tank by pipeline, and high pressure tank enters with more parts
Gas port is connected by the first connecting line, and is disposed with the first electro connecting pressure gauge, pressure reducer on first connecting line
And first magnetic valve；The test mouth of more parts is connected by high-pressure rubber pipe and action pressure-testing joint with heat exchanger, and heat exchanger is placed on institute
State in tank；The pressure tap of more parts is provided with the second electro connecting pressure gauge, and the exhaust outlet of more parts passes through the second connecting line
Be connected with supply main line, and second solenoid valve be provided with second connecting line, the ECU respectively with supercharger,
First electro connecting pressure gauge, the second electro connecting pressure gauge, the first magnetic valve, second solenoid valve electrical connection.
The exhaust outlet of more parts is provided with the 3rd magnetic valve, and the Single port of the 3rd magnetic valve connects the exhaust of more parts
Mouthful, another port connection muffler, the 3rd magnetic valve electrically connects with ECU.
Hand sluice valve is provided with high-pressure rubber pipe between more parts test mouths and heat exchanger.
More parts are seven parts, and an air inlet, an exhaust outlet, a pressure tap and four are provided with seven parts
Individual test mouth.
Covered with safety net at the tank upper opening.
The tank is fixed on trough rack, on trough rack solid welding have instrument desk and electric appliance box, the ECU is located at
In electric appliance box, first electro connecting pressure gauge, the second electro connecting pressure gauge and pressure reducer are arranged on instrument desk, on instrument desk
It is provided with indicator lamp.
Movement is provided with outside the electric appliance box and controls platform, mobile console electrically connects with ECU.
The beneficial effects of the utility model are embodied in：
（1）The gas of supply supervisor is pressurized and stored into high pressure tank using supercharger, is changed according to difference
Gas pressure is dropped to required pressure by the leak detection requirement of hot device by pressure reducer, and therefore, the equipment disclosure satisfy that various heat exchange device
Leak detection demand；
（2）Gas withdrawal line is provided with pressure testing device of the present utility model, gas can pass through pipeline after leak detection test
Workshop central gas supply supervisor is returned to, the phenomenon for solving gas waste；
（3）Multiple heat exchangers are realized using more parts while are tested, and each pipe between heat exchanger and its air supply opening
Hand sluice valve is respectively provided with road, can flexibly open according to demand or stop each TCH test channel；
（4）The relevant position of each pipeline is provided with electric control element in equipment of the present utility model, by ECU can
Whole leak detection flow is automatically controlled, the pressured difference of the equipment determines whether to reveal, and automatically by indicator lamp and alarm
The tested heat exchanger of prompting substantially increases the accuracy and convenience of detection with the presence or absence of leaking；
（5）Equipment safety coefficient of the present utility model is high, and heat exchanger to be measured is connected by high-pressure rubber pipe, and in testing flume
Upper covering safety net, avoids pressure testing（Quickly）Joint is dangerous caused by collapsing.
Brief description of the drawings
Fig. 1 is the connection diagram of each part of the utility model；
Fig. 2 is stereogram one of the present utility model；
Fig. 3 is stereogram two of the present utility model；
In figure：1- superchargers, 2- check valves, 3- high pressure tanks, the electro connecting pressure gauges of 4- first, 5- pressure reducers, 6-
One magnetic valve, the parts of 7- seven, the electro connecting pressure gauges of 8- second, the magnetic valves of 9- the 3rd, 10- mufflers, the electromagnetism of 11- second
Valve, 12- hand sluice valves, 13- high-pressure rubber pipes, 14- action pressure-testing joints, 15- heat exchangers, 16- tanks, 17- red lights, 18- amber lights, 19-
Green light, 20- inflation buttons, 21- SRs, 22- stop buttons, 23- scram buttons, A1- trough racks, A2- instrument desks, A3-
It is mobile to control platform, A4- electric appliance boxes, the combination of A5- indicator lamps, A6- safety nets, A7- effect nameplates.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of pressure testing device for finned heat exchanger as shown in Figure 1, 2, 3, including supercharger 1, high pressure tank
3rd, pressure reducer 5, seven parts 7, tank 16 and ECU, are provided with an air inlet in seven parts 7, an exhaust outlet, one
Pressure tap and four test mouths, supercharger 1 are connected by pipeline with supply main line, and the air outlet slit of supercharger 1 is through check valve 2
It is connected with high pressure tank 3 by pipeline, high pressure tank 3 is connected with the air inlet of seven parts 7 by pipeline, and the connecting tube
The first electro connecting pressure gauge 4, the magnetic valve 6 of pressure reducer 5 and first are disposed with road；The test mouth of seven parts 7 passes through high pressure
Sebific duct 13 and action pressure-testing joint 14 are connected with a port of heat exchanger 15, and the another port closing of heat exchanger, heat exchanger 15 is placed
In tank 16；The pressure tap of seven parts 7 is provided with the second electro connecting pressure gauge 8, and the exhaust outlet of seven parts passes through pipeline and confession
Gas main line is connected, and second solenoid valve 11 is provided with the connecting line, and the exhaust outlet of seven parts 7 is additionally provided with the 3rd electromagnetism
Valve 9, the Single port of the 3rd magnetic valve 9 connect the exhaust outlet of seven parts, another port connection muffler 10.ECU point
Not with supercharger 1, the first electro connecting pressure gauge 4, the second electro connecting pressure gauge 8, the first magnetic valve 4, second solenoid valve the 11, the 3rd
Magnetic valve 9 electrically connects.One is each provided with high-pressure rubber pipe between four test mouths of seven parts 7 and four heat exchangers to be measured
Hand sluice valve 12.
Tank 16 is fixed on trough rack A1, covered with safety net A16 at the upper opening of tank 16.Solid welding on trough rack A1
There is instrument desk A2 and electric appliance box A4, ECU uses PLC, and it is arranged in electric appliance box A4, the first electric contact pressure
Table 4, the second electro connecting pressure gauge 8 and pressure reducer 5 are arranged on instrument desk, and indicator lamp combination A5, instruction are provided with instrument desk
Lamp combination includes red light 17, amber light 18 and green light 19.The outside of electric appliance box is provided with movement and controls platform A3, mobile console and electricity
Unit electrical connection is controlled, mobile control is provided with inflation button 20, SR 21, stop button 22 and scram button on platform A3
23。
The specific work process for using the utility model to hunt leak operating pressure for 8Mpa co 2 heat exchanger
It is as follows：
（1）Supercharger 1 sucks the low-pressure air from supply air line（0.8Mpa）, it is pressurized by three-level, by 12MPa gas
Body is stored in high pressure tank 3 by check valve 2；
（2）12Mpa gases are become by 8MPa gases by pressure reducer 5；
（3）Pressure testing（Quickly）Joint is inserted on the inlet/outlet pipe of heat exchanger,（First magnetic valve 6, second solenoid valve 11,
Three magnetic valves 9 are normally offs, and hand sluice valve 12 is normally open, if which root is without using being shut off）, heat exchanger is put into water
Prepare pressure testing in groove 16；
（4）The inflation button 20 on mobile console is pressed, the first magnetic valve 6 is automatically opened up, inflated into heat exchanger, when
When the upper change point of second electro connecting pressure gauge 8 reaches 8MPa, the first magnetic valve 6 is closed automatically, stops inflating, green in gas replenishment process
Lamp flashes；
（5）Heat exchanger is connected to high-pressure rubber pipe 13 and carries out pressure experiment in the sink, it is desirable to is filled with 8MPa gases and is placed on water
Middle pressurize can not be revealed for 5 minutes, the Chang Liang of green light 19 during 8MPa pressurizes；
（6）Product Qualification：In PLC timing 5 minutes, the table of the second electric contact pressure 8 does not fall pressure, illustrates production
Product are not revealed；After timing terminates, second solenoid valve 11 is automatically opened up, and heat exchanger mesohigh gas is sent into workshop and concentrates confession
Gas main pipeline（Low pressure pipeline）, realize that gas reclaims.When the table of the second electric contact pressure 11 is down to low pressure main conduit's pressure
（0.8MPa）, second solenoid valve 11 is closed automatically, while the 3rd magnetic valve 9 automatically opens up, and is discharged and produced by muffler 10
Residual air in product；
（7）The unqualified situation of product：When showing that 8MPa pressurizes are abnormal such as the table of the second electric contact pressure 8（Second electric contact
When pressure gauge 8 was down to 7MPa in 1 minute）Illustrate there is gas leak phenomenon, now red light 17 flashes and alarmed, and prompts operator's pressure testing
It is abnormal.Operator can press stop button 22, and now second solenoid valve 11 automatically opens up, and heat exchanger mesohigh gas is sent into workshop
Central gas supply main pipeline, realize that gas reclaims.When the second electro connecting pressure gauge 8 is down to low pressure pipeline pressure（0.8MPa）When, the
Two magnetic valves 11 are closed automatically, while the 3rd magnetic valve 9 automatically opens up, and the residual air in product is discharged by muffler 10,
Then take out gas leakage product；
（8）After pressure testing detects, heat exchanger is taken out from tank, unloads pressure testing（Quickly）Joint.Complete whole mistake
Journey；
（9）In operation when the first electro connecting pressure gauge 4（High-pressure gas pressure tank）During less than 9MPa, indicator lamp is yellow
Lamp flashes, and prompts insufficient pressure, supercharger 1 starts to be inflated into high pressure tank 3；When the first electro connecting pressure gauge 4（High pressure is stored up
Gas tank pressure）When reaching 12MPa, indicator lamp green light, prompt high pressure tank 3 full, supercharger 1 stops.
The utility model is used to carry out pressure testing detection, equipment key portion to operating pressure for 8Mpa co 2 heat exchanger
The technical parameter of part is as follows：
Supercharger：It is pressurized using three-level, is arranged on 12Mpa；
Pressure reducer：Using the double gauge outfits of high pressure（U.S.'s victory is sharp）, it is arranged to be depressurized to 8Mpa by 12MPa；
Customize high-pressure solenoid valve, pressure-resistant 12MPa, voltage selection 24V；
Seven parts：Can pressure-resistant more than 12MPa, size makes according to actual conditions；
Electro connecting pressure gauge：Pressure gage measuring range selects 16Mpa；
Hand sluice valve：Pressure-resistant 12MPa, its latus rectum select according to actual conditions；
High-pressure rubber pipe：Pressure-resistant 12Mpa, length make according to actual conditions；
Pressure testing（Quickly）Joint：Pressure-resistant more than 8MPa.
The accurate leak detection of heat-exchanger products can be realized using pressure testing device of the present utility model, and with simple to operate, peace
The advantages that overall coefficient is high.
Claims (7)
- A kind of 1. pressure testing device for finned heat exchanger, it is characterised in that：Including supercharger, high pressure tank, pressure reducer, More parts, tank and ECU, are provided with an air inlet in more parts, an exhaust outlet, a pressure tap and extremely Few test mouth, supercharger are connected by pipeline with supply main line, and the air outlet slit of supercharger stores up through check valve and high pressure Gas tank is connected by pipeline, and high pressure tank is connected with the air inlet of more parts by the first connecting line, and first connection The first electro connecting pressure gauge, pressure reducer and the first magnetic valve are disposed with pipeline；The test mouth of more parts passes through high-pressure glue Pipe and action pressure-testing joint are connected with heat exchanger, and heat exchanger is placed in the tank；The pressure tap of more parts is provided with the second electricity and connect Point pressure table, the exhaust outlet of more parts is connected by the second connecting line with supply main line, and is set on second connecting line Be equipped with second solenoid valve, the ECU respectively with supercharger, the first electro connecting pressure gauge, the second electro connecting pressure gauge, One magnetic valve and second solenoid valve electrical connection.
- A kind of 2. pressure testing device for finned heat exchanger according to claim 1, it is characterised in that：More parts Exhaust outlet be additionally provided with the 3rd magnetic valve, the Single port of the 3rd magnetic valve connects the exhaust outlet of more parts, another port connection Muffler, the 3rd magnetic valve electrically connect with ECU.
- A kind of 3. pressure testing device for finned heat exchanger according to claim 1, it is characterised in that：More parts On test mouth and heat exchanger between high-pressure rubber pipe on be provided with hand sluice valve.
- 4. according to a kind of any described pressure testing devices for finned heat exchanger of claim 1-3, it is characterised in that：It is described More parts are seven parts, and an air inlet, an exhaust outlet, a pressure tap and four test mouths are provided with seven parts.
- 5. according to a kind of any described pressure testing devices for finned heat exchanger of claim 1-3, it is characterised in that：It is described Covered with safety net at tank upper opening.
- 6. according to a kind of any described pressure testing devices for finned heat exchanger of claim 1-3, it is characterised in that：It is described Tank is fixed on trough rack, on trough rack solid welding have instrument desk and electric appliance box, the ECU is located in electric appliance box, described First electro connecting pressure gauge, the second electro connecting pressure gauge and pressure reducer are arranged on instrument desk, and indicator lamp is provided with instrument desk.
- A kind of 7. pressure testing device for finned heat exchanger according to claim 6, it is characterised in that：The electric appliance box Outside is provided with movement and controls platform, and mobile console electrically connects with ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763223.2U CN206920096U (en) | 2017-06-28 | 2017-06-28 | A kind of pressure testing device for finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763223.2U CN206920096U (en) | 2017-06-28 | 2017-06-28 | A kind of pressure testing device for finned heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN206920096U true CN206920096U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720763223.2U Active CN206920096U (en) | 2017-06-28 | 2017-06-28 | A kind of pressure testing device for finned heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340104A (en) * | 2017-06-28 | 2017-11-10 | 大连尼维斯冷暖技术有限公司 | Finned heat exchanger high pressure leak test plant |
-
2017
- 2017-06-28 CN CN201720763223.2U patent/CN206920096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340104A (en) * | 2017-06-28 | 2017-11-10 | 大连尼维斯冷暖技术有限公司 | Finned heat exchanger high pressure leak test plant |
| CN107340104B (en) * | 2017-06-28 | 2023-09-08 | 大连尼维斯冷暖技术有限公司 | High-pressure leakage detection equipment for fin type heat exchanger |
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