CN206803624U - Oil removing and pressure detecting device for heat exchanger - Google Patents
Oil removing and pressure detecting device for heat exchanger Download PDFInfo
- Publication number
- CN206803624U CN206803624U CN201720615044.4U CN201720615044U CN206803624U CN 206803624 U CN206803624 U CN 206803624U CN 201720615044 U CN201720615044 U CN 201720615044U CN 206803624 U CN206803624 U CN 206803624U
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- CN
- China
- Prior art keywords
- heat exchanger
- pressure
- oil removing
- vacuum tank
- detecting system
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 38
- 239000011261 inert gas Substances 0.000 claims description 35
- 238000011084 recovery Methods 0.000 claims description 22
- 239000000341 volatile oil Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 19
- 238000005238 degreasing Methods 0.000 claims description 10
- 239000001307 helium Substances 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 abstract 6
- 238000001514 detection method Methods 0.000 description 15
- 239000006166 lysate Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a heat exchanger deoiling and pressure measurement. This heat exchanger deoiling and pressure measurement system is including deoiling device and pressure measurement device, the deoiling device includes vacuum box (1) and heater (2), vacuum box (1) is used for holding the heat exchanger, heater (2) are used for heating the heat exchanger that lies in vacuum box (1), pressure measurement device includes compressed gas source (3), the compressed gas source is used for letting in compressed gas to the heat exchanger that lies in vacuum box (1), be provided with on compressed gas's the circulation path and be used for carrying out first pressure measurement ware (4) that detect to the compressed gas pressure that lies in the heat exchanger. According to the utility model discloses a heat exchanger deoiling and pressure measurement can provide multi-functional heat exchanger treatment process, improve heat exchanger production efficiency.
Description
Technical field
The utility model belongs to heat exchanger debugging tool technical field, and in particular to a kind of heat exchanger oil removing and pressure detecting
Device.
Background technology
The fin-tube type heat exchanger of present air-conditioning has used volatile oil in process of manufacture, needs to carry out oil removing before welding
Removing type drying, ant nest corrosion is prevented, while leak detection need to be carried out to prevent system leak, dried in industry and typically use combustion gas
Burning or infrared heating type heat exchanging device are dried, then carry out system using inflated with nitrogen or compressed gas, helium leakage detecting device
Leak detection.
Above-mentioned each process is required to by corresponding frock complete independently, and therefore, the equipment not only needed is more, into
This is higher, and each single item process is required for individually carrying out, and the collaborative between each frock is not high, and detection efficiency is relatively low, because
This can have a strong impact on the production efficiency of heat exchanger.
Utility model content
Therefore, the technical problems to be solved in the utility model is to provide a kind of heat exchanger oil removing and pressure-detecting device,
Multi-functional heat exchanger handling process can be provided, improve heat exchanger production efficiency.
In order to solve the above problems, the utility model provides a kind of heat exchanger oil removing and pressure detecting system, including oil removing
Device and pressure-detecting device, degreasing unit include vacuum tank and heater, and vacuum tank is used to hold heat exchanger, and heater is used for
The heat exchanger being pointed in vacuum tank is heated, and pressure-detecting device includes compressed gas source, and compressed gas source is used for position
Compressed gas is passed through in the heat exchanger in vacuum tank, is provided with the circulation path of compressed gas for being pointed in heat exchanger
The first pressure detector that compression pressure is detected.
Preferably, degreasing unit also includes the first drain line for being communicated to vacuum tank, and the end of the first drain line connects
Vavuum pump is connected to, the cooling dress that the volatile oil to be volatilized on heat exchanging device is cooled down is provided between drain line and vavuum pump
Put.
Preferably, pressure-detecting device also includes the second drain line that first end is connected to cooling device, the second oil extraction
On pipeline first pressure detector and the first stop valve are disposed with along gas flow direction, the second of the second drain line
End is connected to the outlet of heat exchanger.
Preferably, the bottom of cooling device is provided with oil return opening, and the volatile oil for collecting cooling is provided with oil return opening
Retracting device.
Preferably, the second stop valve is provided with the first drain line.
Preferably, heat exchanger oil removing and pressure detecting system also include inert gas source, and inert gas source is used for heat exchange
Inert gas is passed through in device, inert gas source and compressed gas source are selectively communicated to the heat exchanger tube entrance point of heat exchanger, very
The inert gas mass spectrograph for being detected to vacuum tank inner space is additionally provided with empty van.
Preferably, the inert gas that heat exchanger oil removing and pressure detecting system also include being used to be pointed in heat exchanger is carried out
The recovery unit of recovery, recovery unit are connected to heat exchanger by recovery tube, the 3rd stop valve are provided with recovery tube.
Preferably, inert gas is helium.
Preferably, the second pressure detector for being detected to pressure in vacuum tank is additionally provided with vacuum tank.
Preferably, heater is infrared radiation heating pipe or gas-fired radiant heater tubes.
Heat exchanger oil removing provided by the utility model and pressure detecting system, including degreasing unit and pressure-detecting device,
Degreasing unit includes vacuum tank and heater, and vacuum tank is used to hold heat exchanger, and heater is used to be pointed to changing in vacuum tank
Hot device is heated, and pressure-detecting device includes compressed gas source, and compressed gas source is used for the heat exchanger in vacuum tank
Compressed gas is passed through, is provided with the circulation path of compressed gas and is examined for the compression pressure being pointed in heat exchanger
The first pressure detector of survey.The leak detection of heat exchanger and volatilization oil processing are integrated in by the heat exchanger oil removing and pressure detecting system
On one device, oil removing and the pressure detection operation of heat exchanger can be completed by the device, is carrying out the process of technique switching
In, carry out displacement can without heat exchanging device and realize the multinomial handling process of heat exchanging device, therefore production technology can be simplified,
Production cost is reduced, improves production efficiency.
Brief description of the drawings
Fig. 1 is the heat exchanger oil removing and the structural representation of pressure detecting system of the utility model embodiment；
Fig. 2 be the utility model embodiment heat exchanger oil removing and pressure detecting system vacuum tank lateral structure signal
Figure.
Reference is expressed as：
1st, vacuum tank；2nd, heater；3rd, compressed gas source；4th, first pressure detector；5th, the first drain line；6th, vacuum
Pump；7th, cooling device；8th, the second drain line；9th, the first stop valve；10th, oil return opening；11st, retracting device；12nd, the second cut-off
Valve；13rd, inert gas source；14th, inert gas mass spectrograph；15th, recovery unit；16th, recovery tube；17th, the 3rd stop valve；18th,
Two pressure detectors；19th, heat exchanger.
Embodiment
With reference to shown in referring to Fig. 1 and Fig. 2, according to embodiment of the present utility model, heat exchanger oil removing and pressure detecting system
Including degreasing unit and pressure-detecting device, degreasing unit includes vacuum tank 1 and heater 2, and vacuum tank 1 is used to hold heat exchange
Device, the heat exchanger that heater 2 is used to be pointed in vacuum tank 1 are heated, and pressure-detecting device includes compressed gas source 3, pressure
Contracting gas source is used to be passed through compressed gas to the heat exchanger in vacuum tank 1, and use is provided with the circulation path of compressed gas
In the first pressure detector 4 that the compression pressure being pointed in heat exchanger is detected.
The heat exchanger oil removing and pressure detecting system are by the volatilization in the leak detection of heat exchanger 19 and the drying course of heat exchanger 19
Oil processing is integrated on a device, and oil removing and the pressure detection operation of heat exchanger 19 can be completed by the device, is being carried out
During technique switches, carry out shifting can without heat exchanging device 19 and realize the multinomial PROCESS FOR TREATMENT of heat exchanging device, therefore
Production technology can be simplified, reduce process, reduce production cost, improve production efficiency.
After heat exchanger 19 enters vacuum tank 1 by the clamping of transmission line, working plate and fixture, vacuum sealing door is closed, to be changed
After hot device 19 reaches corresponding position, system identification, the inlet and outlet nozzle of snap joint automatic butt heat exchanger 19；Heater 2 exists
Vavuum pump vacuumizes reach certain vacuum degree after heated, prevent vacuum reduce during moisture content boiling point reduce and freeze inhale
It is attached to inside heat exchanger tube and influences to evacuate efficiency.
Because heat exchanger drying is located in vacuum environment, heating-up temperature more easily controls, therefore can avoid heating
Oxidation stain occurs for the pipe surface that exchanged heat when temperature is too high, influences the heat exchange property of heat exchanger, heat exchanger can also be avoided to dry
Cause oil in copper pipe can not effectively dry generation ant nest Corrosion Potential when drying temperature is too low in journey, heat exchanger is effectively ensured
Processability.
Preferably, degreasing unit also includes the first drain line 5 for being communicated to vacuum tank 1, the end of the first drain line 5
Vavuum pump 6 is connected with, the cooling that the volatile oil to be volatilized on heat exchanging device is cooled down is provided between drain line and vavuum pump 6
Device 7.After heat exchanging device 19 is heated heater 2 in vacuum tank 1, the volatile oil for being attached to the surface of heat exchanger 19 is waved
Hair, is then sucked out in vacuum tank 1 under the suction of vavuum pump 6 by the first drain line, in volatile oil along first
During drain line flows to vavuum pump 6, it can be condensed through apparatus for supercooling 7 at cooling device 7, consequently facilitating right
Volatile oil and volatile oil cracking material after condensation are collected, and it is a large amount of to prevent that volatile oil cracking under high temperature drying from producing
Benzene, the poisonous and harmful substance such as amine be disposed in air and air polluted, effective environmental protection.
In the present embodiment, cooling device 7 is cold-trap, and cold-trap uses snakelike internal thread coil arrangement, can be in air-flow stream
Ensure that air-flow is more fully exchanged heat, and is improved heat exchange efficiency, is improved the condensation to volatile oil and its lysate during dynamic
Effect.
The bottom of cooling device 7 is provided with oil return opening 10, is provided with oil return opening 10 for collecting the volatile oil cooled down
Retracting device 11.When the material aggregations such as the volatile oil condensed on cold-trap are a certain amount of, the bottom of cold-trap, Ran Houjing will be dropped onto
It is flowed into by the oil return opening 10 of cold-trap bottom in retracting device 11, then by retracting device 11 to volatile oil and its lysate etc.
Recycled in time, avoid these materials accumulate in cold-trap may caused by part discharged with air and cause environment
The problem of pollution.
When needing heat exchanging device 19 to be hunted leak, compressed gas source 3 is passed through a level pressure into the heat exchanger tube of heat exchanger 19
The compressed gas of power, it may then pass through the heat exchanging device 19 of first pressure detector 4 and carry out voltage-withstand test inspection, first pressure inspection
The test number for surveying device 4 follows the heat exchange overpressure situation of change of heat exchanger 19, if leaked inside heat exchanger, first
Pressure detector 4 sensing sends alarm, now need close compressed gas source 3, then cause compressed gas source 3 pipe joint from
Under heat exchanger 19 gets on, vacuum tank 1 is opened, heat exchanger 19 returns through frock is done over again outside vacuum tank 1, is again introduced into after doing over again
Inflation leak detection and subsequent operation are re-executed in vacuum tank 1, if heat exchanger 19 does not leak, closes compressed gas source 3,
Complete the leak detection operation of heat exchanger 19.Compressed gas is, for example, compressed air or nitrogen.
Preferably, pressure-detecting device also includes the second drain line 8 that first end is connected to cooling device 7, second row
On oil pipe line 8 stop valve 9 of first pressure detector 4 and first, the second drain line 8 are disposed with along gas flow direction
The second end be connected to the outlet of heat exchanger 19., it is necessary to carry out drying operation first when carrying out PROCESS FOR TREATMENT due to heat exchanger 19,
Therefore the lysate of volatile oil and volatile oil can be produced inside and outside heat exchanger 19, results from the outside of heat exchanger 19
Volatile oil and its lysate can be entered by the first drain line 5 carries out condensation recovery in cooling device 7, and positioned at inner side
Volatile oil and its lysate, which cannot pass through the first drain line 5 and enter, carries out condensation recovery in cooling device 7, therefore by second
Drain line 8 is communicated to cooling device 7, so that it may so that the volatile oil and its lysate positioned at inner side enter through the second drain line 8
Enter and condensation recovery is carried out into cooling device 7, avoid this portion gas from being discharged into air and polluted to environment.Together
When, because the second drain line 8 can be communicated to vavuum pump 6 by cooling device 7, therefore can also be exchanged by vavuum pump 6
The heat exchanger tube of hot device 19 carries out vacuumize process, consequently facilitating carrying out subsequent treatment.First stop valve 9 is due to controlling the second oil extraction
The break-make of pipeline 8, can be closed when compressed gas need not be passed through the first stop valve 9 the port of export of compressed gas source cut
Only valve, avoids that compressed gas is emitted into heat exchanger 19 and the PROCESS FOR TREATMENT result of heat exchanging device 19 impacts.
Preferably, the second stop valve 12 is provided with the first drain line 5, so as to the logical of the first drain line 5
It is disconnected to be controlled.
Preferably, heat exchanger oil removing and pressure detecting system also include inert gas source 13, inert gas source 13 be used for
Inert gas is passed through in heat exchanger, the heat exchanger tube that inert gas source 13 and compressed gas source 3 are selectively communicated to heat exchanger enters
Mouthful end, the inert gas mass spectrograph 14 for being detected to the inner space of vacuum tank 1 is additionally provided with vacuum tank 1.
Preferably, the inert gas that heat exchanger oil removing and pressure detecting system also include being used to be pointed in heat exchanger is carried out
The recovery unit 15 of recovery, recovery unit 15 are connected to heat exchanger by recovery tube 16, and the 3rd cut-off is provided with recovery tube 16
Valve 17.
, it is necessary to which heat exchanging device 19 carries out essence again after tentatively leak detection is carried out by the heat exchanging device 19 of compressed gas source 3
Really leak detection, so as to further prevent heat exchanger 19 from leaking.When being detected, it is necessary to be first shut off the first stop valve 9
With the second stop valve 12, the heat exchanger tube switch that inert gas source 13 is connected to heat exchanger 19 is opened afterwards so that inert gas can
To enter the inside of heat exchanger 19, heat exchanging device 19 is accurately hunted leak.In detection process, because inert gas is confined
In heat exchanger tube, therefore only need to test to the situation in vacuum tank by inert gas mass spectrograph 14, when passing through regulation
Interior inert gas mass spectrograph to the collecting amount of inert gas number judge whether that inert gas content is exceeded, changed with assessing
Hot device is with the presence or absence of leakage.If inert gas leakage rate is exceeded, control inert gas source 13 is connected quick with heat exchanger tube
Joint's falling off, vacuum chamber door are opened, and heat exchanger is done over again through frock, is again introduced into vacuum tank after doing over again and re-executes and fill inertia
Gas leak detection and subsequent operation.If helium inspection is qualified, the stop valve of the port of export of inert gas source 13 is closed, opens the 3rd cut-off
Valve 17 so that inert gas can be back to recovery unit 15 with recovered pipe 16, be reclaimed to inert gas.
Preferably, inert gas is helium.
Preferably, the second pressure detector for being detected to pressure in vacuum tank 1 is additionally provided with vacuum tank 1
18.Second pressure detector 18 is mainly used in carrying out vacuum degree measurement in vacuum tank 1, so as to ensure the pressure in vacuum tank 1
Meet testing requirements.
Preferably, heater 2 is infrared radiation heating pipe or gas-fired radiant heater tubes.
For example, the mode of heating in vacuum chamber uses infrared radiation heating pipe mode, infrared heating pipe is evenly arranged in
Inside vacuum chamber, the infrared heating pipe of respective amount is laid according to vacuum box structure, while can be according to heat-exchanger products
Size, close portion dividend pipe heater outside, reduce energy resource consumption.
By above-mentioned heat exchanger oil removing and pressure detecting system, can by the vacuum drying of heat exchanger 19, preliminary leak detection,
Accurate leak detection and volatile oil recovery function integrates, and is realized by a device, in whole process, heat exchanger 19 need not
Displacement, pipeline connection can be realized the quick connection of automation by automatic snap joint, operate simpler convenience, PROCESS FOR TREATMENT
It is efficient and convenient, heat exchanger processing efficiency high, production process can be effectively reduced, reduce energy resource consumption, avoided volatile oil and be harmful to
Gas discharges, and reaches effects of energy saving and emission reduction.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.Described above is only preferred embodiment of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made,
These improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of heat exchanger oil removing and pressure detecting system, it is characterised in that described including degreasing unit and pressure-detecting device
Degreasing unit includes vacuum tank (1) and heater (2), and the vacuum tank (1) is used to hold heat exchanger, and the heater (2) is used
Heated in the heat exchanger being pointed in the vacuum tank (1), the pressure-detecting device includes compressed gas source
(3), the compressed gas source is used to be passed through compressed gas, the stream of compressed gas to the heat exchanger in vacuum tank (1)
The first pressure detector detected for the compression pressure being pointed in the heat exchanger is provided with path
(4)。
2. heat exchanger oil removing according to claim 1 and pressure detecting system, it is characterised in that the degreasing unit also wraps
The first drain line (5) for being communicated to the vacuum tank (1) is included, the end of first drain line (5) is connected with vavuum pump
(6), it is provided with what the volatile oil to be volatilized on the heat exchanger was cooled down between the drain line and the vavuum pump (6)
Cooling device (7).
3. heat exchanger oil removing according to claim 2 and pressure detecting system, it is characterised in that the pressure-detecting device
Also include first end and be connected to the second drain line (8) of the cooling device (7), on second drain line (8) along
Gas flow direction is disposed with the first pressure detector (4) and the first stop valve (9), second drain line
(8) the second end is connected to the outlet of the heat exchanger (19).
4. heat exchanger oil removing and pressure detecting system according to Claims 2 or 3, it is characterised in that the cooling device
(7) bottom is provided with oil return opening (10), and oil return opening (10) place is provided with the recovery dress of the volatile oil for collecting cooling
Put (11).
5. heat exchanger oil removing and pressure detecting system according to Claims 2 or 3, it is characterised in that first oil extraction
The second stop valve (12) is provided with pipeline (5).
6. heat exchanger oil removing according to any one of claim 1 to 3 and pressure detecting system, it is characterised in that described
Heat exchanger oil removing and pressure detecting system also include inert gas source (13), and the inert gas source (13) is used for the heat exchange
Inert gas is passed through in device, the inert gas source (13) and the compressed gas source (3) are selectively communicated to the heat exchange
The heat exchanger tube entrance point of device, it is additionally provided with the vacuum tank (1) for being detected to the vacuum tank (1) inner space
Inert gas mass spectrograph (14).
7. heat exchanger oil removing according to claim 6 and pressure detecting system, it is characterised in that the heat exchanger oil removing and
The recovery unit (15) that the inert gas that pressure detecting system also includes being used to be pointed in the heat exchanger is reclaimed, it is described
Recovery unit (15) is connected to the heat exchanger by recovery tube (16), and the 3rd stop valve is provided with the recovery tube (16)
(17)。
8. heat exchanger oil removing according to claim 6 and pressure detecting system, it is characterised in that the inert gas is helium
Gas.
9. heat exchanger oil removing and pressure detecting system according to any one of claims 1 to 3,7,8, it is characterised in that
The second pressure detector (18) for being detected to the vacuum tank (1) interior pressure is additionally provided with the vacuum tank (1).
10. heat exchanger oil removing and pressure detecting system according to any one of claims 1 to 3,7,8, it is characterised in that
The heater (2) is infrared radiation heating pipe or gas-fired radiant heater tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615044.4U CN206803624U (en) | 2017-05-26 | 2017-05-26 | Oil removing and pressure detecting device for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615044.4U CN206803624U (en) | 2017-05-26 | 2017-05-26 | Oil removing and pressure detecting device for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803624U true CN206803624U (en) | 2017-12-26 |
Family
ID=60743508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720615044.4U Expired - Fee Related CN206803624U (en) | 2017-05-26 | 2017-05-26 | Oil removing and pressure detecting device for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803624U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | Method and device for removing lubricating oil of heat exchanger |
| CN108613504A (en) * | 2018-05-17 | 2018-10-02 | 珠海格力电器股份有限公司 | Workpiece oil removing device |
| CN108917377A (en) * | 2018-08-10 | 2018-11-30 | 珠海格力电器股份有限公司 | Multistage degreasing equipment of air conditioner heat exchanger |
| CN111255968A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Butt joint assembly, oil removal device and large-scale air conditioner heat exchanger |
| CN113008481A (en) * | 2021-03-02 | 2021-06-22 | 珠海格力智能装备有限公司 | Heat exchanger detection equipment |
| CN113048724A (en) * | 2021-03-08 | 2021-06-29 | 珠海格力智能装备有限公司 | Oil removing system |
-
2017
- 2017-05-26 CN CN201720615044.4U patent/CN206803624U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | Method and device for removing lubricating oil of heat exchanger |
| CN108613504A (en) * | 2018-05-17 | 2018-10-02 | 珠海格力电器股份有限公司 | Workpiece oil removing device |
| CN108917377A (en) * | 2018-08-10 | 2018-11-30 | 珠海格力电器股份有限公司 | Multistage degreasing equipment of air conditioner heat exchanger |
| CN111255968A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Butt joint assembly, oil removal device and large-scale air conditioner heat exchanger |
| CN113008481A (en) * | 2021-03-02 | 2021-06-22 | 珠海格力智能装备有限公司 | Heat exchanger detection equipment |
| CN113048724A (en) * | 2021-03-08 | 2021-06-29 | 珠海格力智能装备有限公司 | Oil removing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210526 |