CN214747488U - Refrigerating pipeline belt cleaning device - Google Patents
Refrigerating pipeline belt cleaning device Download PDFInfo
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- CN214747488U CN214747488U CN202120287997.9U CN202120287997U CN214747488U CN 214747488 U CN214747488 U CN 214747488U CN 202120287997 U CN202120287997 U CN 202120287997U CN 214747488 U CN214747488 U CN 214747488U
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Abstract
The utility model discloses a refrigeration pipeline belt cleaning device, including the water tank, external system, the high-pressure pump, the switching-over pipeline, water gas generator and air compressor machine, it has the washing refrigerant to pour into in the water tank, be provided with first interface on the water tank, second interface and third interface, be provided with the stop valve that is used for controlling outer row on the first interface, external system includes first port and second port, first port and second port and the high-low pressure port blind joint of refrigeration pipeline, be provided with first delivery port, second delivery port and water sucking mouth on the high-pressure pump, first delivery port and water gas generator fluid intercommunication, be provided with the pulse gas valve on the water gas generator, pulse gas valve and air compressor machine fluid intercommunication, water sucking mouth and second interface fluid intercommunication, be provided with first joint, the second connects on the switching-over pipeline, third joint and fourth joint, with first port, the second port, water sucking mouth, The third interface and the second water outlets are in one-to-one corresponding fluid communication, and are controlled to change direction by an electromagnetic valve on the pipeline.
Description
Technical Field
The utility model relates to a refrigeration pipeline washs technical field, especially relates to a refrigeration pipeline belt cleaning device.
Background
When an existing refrigeration pipeline is cleaned, a high-pressure pump body or a compressor is mostly used for filling pressurized refrigerant into a system so as to flush out residual refrigerant and other impurities in the system, and the purpose of cleaning the pipeline is achieved. For example, various types of refrigeration and refrigeration cycle cleaning machines manufactured by Tasco, japan are designed such that a high-pressure pump pumps refrigerant in a tank, the refrigerant is sent into a system refrigeration line through a discharge side, and the refrigerant in the system is circulated and then returned to the suction side, and further to the tank, thereby achieving the purpose of circulation.
According to the mode, only the supercharging device is used for sending the cleaning agent into the refrigeration pipeline, a part of cleaning requirements can be met, however, the scheme needs to be stopped and reconnected during reversing, the cleaning efficiency is low, the pure liquid cleaning can cause hidden danger in the cleaning pipeline, impurities which cannot be washed out can exist in corners of the expansion valve and the capillary tube, and the cleaning effect is limited. In addition, after the pure refrigerant is washed, the cleaning system needs to be dried, other equipment is needed to intervene, the structure is complex, shutdown and disassembly operations need to be carried out when necessary, and the cleaning efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a refrigeration pipeline belt cleaning device, to the defect of above-mentioned cleaning methods, the design switching-over is washd in order to reach better cleaning performance, avoids clean dead angle, and solves the pure refrigerant and washs the follow-up system drying problem that arouses, realizes convenient operation and high-efficient washing, makes things convenient for the device to maintain.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a refrigerating pipeline cleaning device comprises a water tank, an external connection system, a high-pressure pump, a reversing pipeline, a water gas generator and an air compressor, wherein cleaning refrigerants are injected into the water tank, a first interface, a second interface and a third interface are arranged on the water tank, a stop valve used for controlling external discharge is arranged on the first interface, the external connection system comprises a first port and a second port, the first port and the second port are in blind connection with a high-pressure port and a low-pressure port of the refrigerating pipeline, a first water outlet, a second water outlet and a water suction port are arranged on the high-pressure pump, the first water outlet is communicated with the water gas generator in a fluid mode, a pulse gas valve is arranged on the water gas generator and is communicated with the air compressor in a fluid mode, the water suction port is communicated with the second interface in a fluid mode, the reversing pipeline comprises two flow channel pipes, two ends of the two flow channel pipes are correspondingly communicated, a first connector is led out of one communication end, a second connector is led out of the other communication end, the middle part of one runner pipe is led out to have a third joint, the middle part of another runner pipe is led out to have a fourth joint, first joint and first port fluid intercommunication, the second connects and second port fluid intercommunication, the third connects and third interface fluid intercommunication, the fourth connects and second delivery port fluid intercommunication, be provided with first solenoid valve and second solenoid valve on the pipeline of the both sides of third joint, be provided with third solenoid valve and fourth solenoid valve on the pipeline of the both sides of fourth joint, first solenoid valve and fourth solenoid valve linkage open and shut, the second solenoid valve opens and shuts with the third solenoid valve linkage.
The external connection system further comprises a third port and a fourth port, the third port and the fourth port are respectively connected with cleaning gas, a fifth joint is led out from one communication end of the reversing pipeline, a sixth joint is led out from the other communication end of the reversing pipeline, the fifth joint is communicated with the third port in a fluid mode, and the sixth joint is communicated with the fourth port in a fluid mode.
When cleaning gas is adopted for flushing, the high-pressure pump and each electromagnetic valve are closed, when the pressure in the pipeline reaches an upper limit value, any group of electromagnetic valves are opened, so that the cleaning gas enters the water tank, and the water gas generator is provided with a check valve.
The external system further comprises a discharge port, a three-way valve is arranged on a communication pipeline between the first joint and the first port or a communication pipeline between the third joint and the third port, and the discharge port is in fluid communication with the three-way valve.
The first interface and the second interface are both arranged at the bottom of the water tank, and the terrain of the first interface is lower than that of the second interface.
Wherein a filter is arranged at the first interface and/or the second interface.
Wherein, a water flow buffer tank is arranged at the third interface.
Wherein, the water sucking port and the first water outlet are respectively provided with a pressure gauge.
The electromagnetic valve comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a fourth electromagnetic valve.
The air compressor further comprises a control panel used for adjusting the output pressure and the output frequency of the air compressor.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, refrigeration pipeline belt cleaning device passes through the high-pressure pump and dashes liquid, the air compressor machine provides atmospheric pressure, will wash during refrigerant and pulse cleaning gas together send into the refrigeration pipeline, and the water-gas mixture just possesses the interior drying function of device in order to reach the better effect of wasing the refrigeration pipeline to be convenient for maintain to simply realize wasing refrigeration pipeline switching-over through the switching-over pipeline, avoid impurity to persist, need not the shut down, convenient operation, the cleaning efficiency is high.
Drawings
Fig. 1 is a first schematic structural diagram of a cleaning device for a refrigeration pipeline according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a cleaning device for a refrigeration pipeline according to an embodiment of the present invention;
fig. 3 is a bottom schematic view of a water tank in a cleaning device for a refrigeration pipeline according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides a refrigeration pipeline cleaning device, which includes a water tank 1, an external system 2, a high pressure pump 3, a reversing pipeline 4, a water generator 5, an air compressor 6, a reversing switch 7, and a control panel 8.
The water tank 1 is filled with cleaning refrigerant, such as R141b refrigerant, which is corrosive and is not durable due to the conventional pipeline, and the pipeline with corrosion resistance is needed.
The water tank 1 is provided with a first connector 11, a second connector 12 and a third connector 13, the first connector 11 and the second connector 12 are both arranged at the bottom of the water tank 1, the terrain of the first connector 11 is lower than that of the second connector 12, and the first connector 11 is provided with a stop valve 14 for controlling outward discharge so as to discharge sewage from the water tank 1. Filters are arranged at the first connector 11 and the second connector 12, and a water flow buffer tank is arranged at the third connector 13 to reduce the water flow pressure.
The external connection system 2 comprises a first port 21, a second port 22, a third port 23, a fourth port 24 and a discharge port 25, the first port 21 and the second port 22 are in blind connection with high-low pressure ports of a refrigeration pipeline, and the third port 23 and the fourth port 24 are respectively connected with cleaning gas.
The high-pressure pump 3 is provided with a first water outlet 31, a second water outlet 32 and a water suction port 33, the first water outlet 31 is in fluid communication with the water generator 5, the water generator 5 is provided with a pulse gas valve 51, the pulse gas valve 51 is in fluid communication with the air compressor 6, and the water suction port 33 is in fluid communication with the second connector 12. The water suction port 33 and the first water outlet 31 are respectively provided with a pressure gauge 26 for displaying the pressure in the system.
The control panel 8 is used to regulate the output pressure and output frequency of the air compressor 6.
The reversing pipeline 4 comprises two flow channel pipes, two ends of the two flow channel pipes are correspondingly communicated, a first joint 41 and a fifth joint 45 are led out from one communication end, a second joint 42 and a sixth joint 46 are led out from the other communication end, a third joint 43 is led out from the middle of one flow channel pipe, a fourth joint 44 is led out from the middle of the other flow channel pipe, the first joint 41 is communicated with the first port 21 in a fluid mode, the second joint 42 is communicated with the second port 22 in a fluid mode, the third joint 43 is communicated with the third port 13 in a fluid mode, the fourth joint 44 is communicated with the second water outlet 32 in a fluid mode, the fifth joint 45 is communicated with the third port 23 in a fluid mode, and the sixth joint 46 is communicated with the fourth port 24 in a fluid mode. And the communication line of the first joint 41 and the first port 21 or the communication line of the third joint 43 and the third port 23 is provided with the three-way valve 27, and the discharge port 25 is in fluid communication with the three-way valve 27, so that the waste liquid is not discharged into the water tank 1.
The first solenoid valve 71 and the second solenoid valve 72 are arranged on the pipelines on the two sides of the third joint 43, the third solenoid valve 73 and the fourth solenoid valve 74 are arranged on the pipelines on the two sides of the fourth joint 44, the first solenoid valve 71 and the fourth solenoid valve 74 are opened and closed in a linkage mode, and the second solenoid valve 72 and the third solenoid valve 73 are opened and closed in a linkage mode.
The changeover switch 7 is used to energize the first solenoid valve 71 and the fourth solenoid valve 74, or to energize the second solenoid valve 72 and the third solenoid valve 73. When cleaning gas is adopted for flushing, the high-pressure pump 3 and each electromagnetic valve are closed, when the pressure in the pipeline reaches the upper limit value, any group of electromagnetic valves are opened, so that the cleaning gas enters the water tank 1, and the water gas generator 5 is provided with a check valve.
When the refrigeration pipeline is flushed with the cleaning refrigerant in the forward direction, the first electromagnetic valve 71 and the fourth electromagnetic valve 74 are switched on through the reversing switch 7, the high-pressure pump 3 works, the water suction port 33 of the high-pressure pump sucks the cleaning refrigerant from the water tank 1 and discharges the cleaning refrigerant from the second water outlet 32, the cleaning refrigerant enters the reversing pipeline 4 through the fourth joint 44, fluid reaches the second port 22 from the second joint 42 due to the fact that the first electromagnetic valve 71 and the fourth electromagnetic valve 74 are switched on, the fluid enters the refrigeration pipeline for cleaning, flows out from the first port 21, enters the reversing pipeline 4 again, and enters the water tank 1 from the third port 13 through the third joint 43, and the cleaning refrigerant is recycled. If it is desired to remove the purging refrigerant, the fluid is discharged from the first connection 11 by simply opening the shut-off valve 14.
When the refrigeration pipeline is reversely flushed by the cleaning refrigerant, similarly, the reversing switch 7 is switched to electrify the second electromagnetic valve 72 and the third electromagnetic valve 73, so that the cleaning refrigerant enters the refrigeration pipeline from the first port 21 to be cleaned, flows out from the second port 22 and finally returns to the water tank 1. Here, the second port 22 is also connected to the discharge port 25 by the three-way valve 27, and it is also possible to directly discharge the fluid from the discharge port 25 without entering the water tank 1.
When the refrigeration pipeline is dried by adopting the cleaning gas forward direction, the high-pressure pump 3 and the four electromagnetic valves are closed, the cleaning gas (such as nitrogen) is input into the fourth port 24, as the electromagnetic valves are closed, the fluid enters from the sixth joint 46 and exits from the second joint 42, then enters the refrigeration pipeline from the second port 22 for drying, then flows out from the first port 21 and enters the reversing pipeline 4 again, at the moment, the electromagnetic valves are closed and cannot circulate, the cleaning gas is continuously input, the system pressure is increased, when the upper limit value is reached, the reversing switch 7 is started, the first electromagnetic valve 71 and the fourth electromagnetic valve 74 are opened, the system starts to release the pressure, and as the check valve is arranged at the water gas generator 5, all the gas enters the water tank 1 through the third joint 43. If the purge gas needs to be discharged, the fluid is discharged from the first port 11 by opening the shut-off valve 14.
When the refrigeration pipeline is dried by cleaning gas reversely, cleaning gas is input into the third port 23, and as the electromagnetic valves are closed, fluid enters from the fifth joint 45, exits from the first joint 41, enters the refrigeration pipeline from the first port 21 for drying, then exits from the second port 22, and the three-way valve 27 is switched, so that the cleaning gas can be directly discharged from the discharge port 25 to form one-way flushing.
After the refrigeration pipeline is cleaned and dried, the air compressor 6 is started, the water generator 5 is pressurized, any one group of electromagnetic valves is started, the compressed gas washes the water generator 5 and the reversing pipeline 4 at the moment, redundant waste liquid in the discharge system returns to the water tank 1, and the waste liquid at the moment is discharged outside through the stop valve 14 due to the fact that the terrain of the first connector 11 of the water tank 1 is lowest, so that the inner pipeline of the flushing and drying device is flushed and cleaned conveniently, and maintenance is facilitated.
In conclusion, the refrigerating pipeline cleaning device supplies air pressure through the high-pressure pump flushing liquid and the air compressor, a cleaning refrigerant and pulse cleaning gas are sent into the refrigerating pipeline together, water and air are mixed to achieve the better effect of cleaning the refrigerating pipeline, the device has the drying function in the device, is convenient to maintain, simply realizes reversing cleaning of the refrigerating pipeline through the reversing pipeline, avoids impurity retention, does not need stopping, is convenient to operate and high in cleaning efficiency.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A refrigerating pipeline cleaning device is characterized by comprising a water tank, an external system, a high-pressure pump, a reversing pipeline, a water gas generator and an air compressor,
a cleaning refrigerant is injected into the water tank, the water tank is provided with a first interface, a second interface and a third interface, the first interface is provided with a stop valve for controlling outward discharge,
the external system comprises a first port and a second port, the first port and the second port are in blind connection with a high-pressure port and a low-pressure port of the refrigeration pipeline,
the high-pressure pump is provided with a first water outlet, a second water outlet and a water suction port, the first water outlet is communicated with the water generator through fluid, the water generator is provided with a pulse gas valve, the pulse gas valve is communicated with the air compressor through fluid, the water suction port is communicated with the second interface through fluid,
the reversing pipeline comprises two flow channel pipes, two ends of the two flow channel pipes are correspondingly communicated, a first joint is led out from one communicated end, a second joint is led out from the other communicated end, a third joint is led out from the middle part of one flow channel pipe, a fourth joint is led out from the middle part of the other flow channel pipe, the first joint is in fluid communication with the first port, the second joint is in fluid communication with the second port, the third joint is in fluid communication with the third port, and the fourth joint is in fluid communication with the second water outlet,
the pipeline on the two sides of the third joint is provided with a first electromagnetic valve and a second electromagnetic valve, the pipeline on the two sides of the fourth joint is provided with a third electromagnetic valve and a fourth electromagnetic valve, the first electromagnetic valve and the fourth electromagnetic valve are in linkage opening and closing, and the second electromagnetic valve and the third electromagnetic valve are in linkage opening and closing.
2. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the external connection system further comprises a third port and a fourth port, the third port and the fourth port are respectively connected with cleaning gas, a fifth joint is led out from one communication end of the reversing pipeline, a sixth joint is led out from the other communication end of the reversing pipeline, the fifth joint is communicated with the third port in a fluid mode, and the sixth joint is communicated with the fourth port in a fluid mode.
3. The refrigerant line cleaning apparatus as set forth in claim 2, wherein: when cleaning gas is adopted for flushing, the high-pressure pump and each electromagnetic valve are closed, when the pressure in the pipeline reaches an upper limit value, any group of electromagnetic valves are opened, so that the cleaning gas enters the water tank, and the water gas generator is provided with a check valve.
4. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the external system further comprises a discharge port, a three-way valve is arranged on a communication pipeline between the first joint and the first port or a communication pipeline between the third joint and the third port, and the discharge port is in fluid communication with the three-way valve.
5. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the first interface and the second interface are both arranged at the bottom of the water tank, and the terrain of the first interface is lower than that of the second interface.
6. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: and a filter is arranged at the first interface and/or the second interface.
7. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: and a water flow buffer tank is arranged at the third interface.
8. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the water suction port and the first water outlet are respectively provided with a pressure gauge.
9. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the electromagnetic valve also comprises a reversing switch which is used for electrifying the first electromagnetic valve and the fourth electromagnetic valve or electrifying the second electromagnetic valve and the third electromagnetic valve.
10. The refrigerant line cleaning apparatus as set forth in claim 1, wherein: the air compressor also comprises a control panel used for adjusting the output pressure and the output frequency of the air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287997.9U CN214747488U (en) | 2021-02-01 | 2021-02-01 | Refrigerating pipeline belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287997.9U CN214747488U (en) | 2021-02-01 | 2021-02-01 | Refrigerating pipeline belt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214747488U true CN214747488U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120287997.9U Active CN214747488U (en) | 2021-02-01 | 2021-02-01 | Refrigerating pipeline belt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214747488U (en) |
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2021
- 2021-02-01 CN CN202120287997.9U patent/CN214747488U/en active Active
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