CN211424776U - Refrigerant recovery, purification and filling system - Google Patents
Refrigerant recovery, purification and filling system Download PDFInfo
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- CN211424776U CN211424776U CN201922053004.7U CN201922053004U CN211424776U CN 211424776 U CN211424776 U CN 211424776U CN 201922053004 U CN201922053004 U CN 201922053004U CN 211424776 U CN211424776 U CN 211424776U
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Abstract
The utility model provides a refrigerant recovery, purification and filling system, which comprises two groups of oil separators, two groups of filtering dryers, an evaporator, a condenser, a compressor, a capillary tube, a recovery container and a valve piece; the refrigerant is recovered by adopting an improved gas compression recovery method; the refrigerant purification adopts a mode of combining pre-purification before recovery and internal circulation purification after recovery; in the quantitative mode in the refrigeration filling process, a quantitative filling method based on capacitance type liquid level detection is adopted; the system realizes the integrated design of refrigerant recovery, refrigerant purification and refrigerant charging.
Description
Technical Field
The utility model relates to a refrigerant recovery technical field, concretely relates to refrigerant recovery, purification, fill notes system.
Background
With the rapid development of the refrigeration equipment industry, the damage of refrigerants such as freon and the like discharged by the refrigeration equipment industry to the environment is gradually increased, and the refrigerants become one of the main causes of the ozone layer cavities. The refrigerant is recycled and recycled, so that the great significance is provided for the development of the circular economy, in the using process of the refrigeration equipment, impurities such as oil residue, welding slag, moisture and the like can be mixed in the refrigerant to influence the working performance of the equipment, the existing refrigerant recycling device only has an extraction function, and most recycling devices do not have the function of purifying the refrigerant.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a recovery of refrigerant, purify, fill notes system to prior art's weak point.
The utility model provides a technical scheme of above-mentioned problem does: a refrigerant recovery, purification and filling system comprises a first oil separator connected with a refrigeration system through a first pipeline, a first filtering dryer connected with the first oil separator through a pipeline, a first adapter pipe connected with an outlet of the first filtering dryer, a capillary pipe connected with a first adapter pipe through a first branch pipe, an evaporator connected with the capillary pipe through a pipeline, a compressor connected with the evaporator through a pipeline, a second adapter pipe connected with an outlet of the compressor, a second oil separator connected with a second adapter pipe through a third branch pipe, a condenser connected with the second oil separator through a second pipeline, a third adapter pipe connected with an outlet of the condenser through a pipeline, a third adapter pipe connected with the third adapter pipe through a fourth branch pipe, a recovery container connected with the third adapter pipe through a second branch pipe, and a second filtering dryer connected with the first adapter pipe through a second branch pipe, the second filtering dryer is connected with a recovery container through a third pipeline, a solenoid valve V1 is arranged on the first pipeline, a solenoid valve V2 is arranged on the first adapter pipe, a solenoid valve V3 is arranged on the first branch pipe, a solenoid valve V5 is arranged on the third branch pipe, a solenoid valve V6 is arranged on the second pipeline, a solenoid valve V7 is arranged on the fourth branch pipe, a solenoid valve V8 is arranged on the third adapter pipe, a solenoid valve V10 is arranged on the second branch pipe, a solenoid valve V9 is arranged on the third pipeline, two ends of the capillary pipe are connected with a bypass pipeline in parallel, and a solenoid valve V4 is arranged on the bypass pipeline;
the evaporator and the condenser are arranged in the heat dissipation box and connected through the multiple layers of fins;
be equipped with liquid filling port and gaseous state filling port on the recovery container, be equipped with solenoid valve V11 on the liquid filling port, be equipped with solenoid valve V12 on the gaseous state filling port, the inside temperature sensor who is used for the temperature of perception refrigerant, pressure sensor and the level sensor who is used for the pressure of perception refrigerant that are equipped with of recovery container, temperature sensor sets up in the recovery container bottom, level sensor is capacitanc liquid level detection device, the recovery container top is equipped with noncondensable gas and gathers the district, noncondensable gas and gathers district intercommunication gas release pipeline, be equipped with solenoid valve V13 on the gas release pipeline.
The utility model discloses beneficial effect has:
the utility model provides a system for recovering, purifying and charging refrigerant, wherein the refrigerant is recovered by an improved gas compression recovery method; the refrigerant purification adopts a mode of combining pre-purification before recovery and internal circulation purification after recovery; in the quantitative mode in the refrigeration filling process, a quantitative filling method based on capacitance type liquid level detection is adopted; the system realizes the integrated design of refrigerant recovery, refrigerant purification and refrigerant charging.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the heat dissipation case.
Fig. 3 is a schematic view of the structure of the recovery vessel.
In the figure: 1-a first pipeline, 2-a first oil separator, 3-a first filter dryer, 4-a first adapter pipe, 5-a first branch pipe, 6-a capillary, 7-an evaporator, 8-a compressor, 9-a second adapter pipe, 10-a third branch pipe, 11-a second oil separator, 12-a second pipeline, 13-a condenser, 14-a third adapter pipe, 15-a fourth branch pipe, 16-a recovery container, 17-a second branch pipe, 18-a second filter dryer, 19-a third pipeline, 20-a bypass pipeline, 21-a fin, 22-a liquid filling port, 23-a gaseous filling port, 24-a temperature sensor, 25-a pressure sensor, 26-a liquid level sensor, 27-, a non-condensable gas gathering zone, 28-gas bleed line.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
A refrigerant recovery, purification and filling system comprises a first oil separator connected with a refrigeration system through a first pipeline, a first filtering dryer connected with the first oil separator through a pipeline, a first adapter pipe connected with an outlet of the first filtering dryer, a capillary pipe connected with the first adapter pipe through a first branch pipe, an evaporator connected with the capillary pipe through a pipeline, a compressor connected with the evaporator through a pipeline, a second adapter pipe connected with an outlet of the compressor, a second oil separator connected with the second adapter pipe through a third branch pipe, a condenser connected with the second oil separator through a second pipeline, a third adapter pipe connected with an outlet of the condenser through a pipeline, a third adapter pipe connected with the second adapter pipe through a fourth branch pipe, a recovery container connected with the third adapter pipe, and a second filtering dryer connected with the first adapter pipe through a second branch pipe, the second filtering dryer is connected with a recovery container through a third pipeline, a solenoid valve V1 is arranged on the first pipeline, a solenoid valve V2 is arranged on the first adapter pipe, a solenoid valve V3 is arranged on the first branch pipe, a solenoid valve V5 is arranged on the third branch pipe, a solenoid valve V6 is arranged on the second pipeline, a solenoid valve V7 is arranged on the fourth branch pipe, a solenoid valve V8 is arranged on the third adapter pipe, a solenoid valve V10 is arranged on the second branch pipe, a solenoid valve V9 is arranged on the third pipeline, two ends of the capillary pipe are connected with a bypass pipeline in parallel, and a solenoid valve V4 is arranged on the bypass pipeline;
the evaporator and the condenser are arranged in the heat dissipation box and connected through the multiple layers of fins;
be equipped with liquid filling port and gaseous state filling port on the recovery container, be equipped with solenoid valve V11 on the liquid filling port, be equipped with solenoid valve V12 on the gaseous state filling port, the inside temperature sensor who is used for the temperature of perception refrigerant, pressure sensor and the level sensor who is used for the pressure of perception refrigerant that are equipped with of recovery container, temperature sensor sets up in the recovery container bottom, level sensor is capacitanc liquid level detection device, the recovery container top is equipped with noncondensable gas and gathers the district, noncondensable gas and gathers district intercommunication gas release pipeline, be equipped with solenoid valve V13 on the gas release pipeline.
The refrigerant recovery, purification and charging system is connected with a PLC controller, the solenoid valves V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V10, V11, V12 and V13 are connected with the PLC controller, and six control states of 'refrigerant recovery', 'non-condensable gas discharge', 'refrigerant purification', 'liquid natural charging', 'liquid pressurized charging' and 'gaseous charging' exist in the system.
When the refrigerant is recovered, the electromagnetic valves V1, V2, V3, V4, V5, V6 and V8 are opened, the V7, V9, V10, V11, V12 and V13 are closed, and the refrigerant is sent to a recovery container from a refrigeration system through a first oil separator, a first filtering dryer, an electromagnetic valve V4, an evaporator, a compressor, a second oil separator and a condenser; the filter drier and the oil separator realize the pre-purification of the refrigerant; the heat exchange between the evaporator and the condenser ensures that all the refrigerant sucked into the compressor is gas refrigerant; the condenser realizes the condensation of the refrigerant, and ensures that the refrigerant filled into the recovery container is liquid refrigerant.
When the non-condensable gas is discharged, when the pressure sensor senses that the pressure in the container is higher than the saturation pressure at the temperature measured by the temperature sensor, the electromagnetic valve V13 is opened, the non-condensable gas is discharged, the pressure in the recovery container is reduced, and when the pressure is reduced to the saturation pressure at the temperature measured by the temperature sensor, the electromagnetic valve V13 is closed.
When the refrigerant is purified, the electromagnetic valves V1, V2, V4, V7, V11, V12 and V13 are closed, the electromagnetic valves V3, V5, V6, V8, V9 and V10 are opened, the refrigerant recovered into the recovery container passes through the second dry filter, the capillary tube, the evaporator, the compressor, the second oil separator and the condenser to the recovery container, and the refrigerant is re-purified by multiple circulation.
When liquid is naturally filled, the filling refrigerant amount is preset, the filled equipment is connected with the liquid filling port, and liquid flows into the filled equipment under the action of the pressure in the steel cylinder until the liquid level sensor indicates that the preset filling amount is reached.
When liquid state pressurized filling is carried out, in the process of liquid state pressurized filling, when the pressure in the steel cylinder and the pressure in the filled equipment tend to be balanced, the preset filling amount is not reached. At this time, the electromagnetic valves V3, V7, V8, V9 (ajar), and V10 are opened, the compressor is started, and the recovery vessel is pressurized and heated by a small amount of high-temperature and high-pressure refrigerant at the outlet of the compressor, thereby promoting the charging of the refrigerant. When the level sensor indicates that the preset charge level is reached.
When the gaseous state fills, preset and fill the refrigerant quantity, will fill equipment and connect gaseous filling mouth, liquid flows into by filling the system under the container internal pressure effect, when level sensor instruction reaches preset and fills the volume.
The utility model adopts an improved gas compression recovery method for recovering the refrigerant; the refrigerant purification adopts a mode of combining pre-purification before recovery and internal circulation purification after recovery; in the quantitative mode in the refrigeration filling process, a quantitative filling method based on capacitance type liquid level detection is adopted; the system realizes the integrated design of refrigerant recovery, refrigerant purification and refrigerant charging.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A refrigerant recovery, purification, and charging system, comprising: the device comprises a first oil separator connected with a refrigeration system through a first pipeline, a first filtering dryer connected with the first oil separator through a pipeline, a first adapter pipe connected with an outlet of the first filtering dryer, a capillary pipe connected with the first adapter pipe through a first branch pipe, an evaporator connected with the capillary pipe through a pipeline, a compressor connected with the evaporator through a pipeline, a second adapter pipe connected with an outlet of the compressor, a second oil separator connected with the second adapter pipe through a third branch pipe, a condenser connected with the second oil separator through a second pipeline, a third adapter pipe connected with an outlet of the condenser through a pipeline, a third adapter pipe connected with the second adapter pipe through a fourth branch pipe, a recovery container connected with the third adapter pipe, a second filtering dryer connected with the first adapter pipe through a second branch pipe, and a recovery container connected with the second filtering dryer through a third pipeline, the first pipeline is provided with an electromagnetic valve V1, the first adapter pipe is provided with an electromagnetic valve V2, the first branch pipe is provided with an electromagnetic valve V3, the third branch pipe is provided with an electromagnetic valve V5, the second pipeline is provided with an electromagnetic valve V6, the fourth branch pipe is provided with an electromagnetic valve V7, the third adapter pipe is provided with an electromagnetic valve V8, the second branch pipe is provided with an electromagnetic valve V10, the third pipeline is provided with an electromagnetic valve V9, two ends of the capillary pipe are connected with a bypass pipeline in parallel, and the bypass pipeline is provided with an electromagnetic valve V4;
the recycling container is provided with a liquid filling port and a gas filling port, the liquid filling port is provided with an electromagnetic valve V11, and the gas filling port is provided with an electromagnetic valve V12.
2. A refrigerant recovery, purification, and charging system as set forth in claim 1, wherein: the evaporator and the condenser are arranged in the heat dissipation box and connected through the multiple layers of fins.
3. A refrigerant recovery, purification, and charging system as set forth in claim 1, wherein: the inside temperature sensor that is used for the temperature of perception refrigerant, pressure sensor and the level sensor that is used for the pressure of perception refrigerant that are equipped with of recovery vessel, temperature sensor sets up in recovery vessel bottom, level sensor is capacitanc liquid level detection device.
4. A refrigerant recovery, purification, and charging system as claimed in claim 1 or 3, wherein: the top of the recovery container is provided with a non-condensable gas gathering area, the non-condensable gas gathering area is communicated with an air discharge pipeline, and the air discharge pipeline is provided with an electromagnetic valve V13.
5. A refrigerant recovery, purification, and charging system as claimed in any one of claims 1 to 3, wherein: the refrigerant recovery, purification and charging system is connected with a PLC controller, and the electromagnetic valves V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V10, V11 and V12 are connected with the PLC controller.
6. A refrigerant recovery, purification, and charging system as set forth in claim 4, wherein: the refrigerant recovery, purification and charging system is connected with a PLC controller, and the electromagnetic valves V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V10, V11, V12 and V13 are connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053004.7U CN211424776U (en) | 2019-11-25 | 2019-11-25 | Refrigerant recovery, purification and filling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053004.7U CN211424776U (en) | 2019-11-25 | 2019-11-25 | Refrigerant recovery, purification and filling system |
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| CN211424776U true CN211424776U (en) | 2020-09-04 |
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| CN201922053004.7U Active CN211424776U (en) | 2019-11-25 | 2019-11-25 | Refrigerant recovery, purification and filling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023641A (en) * | 2019-11-25 | 2020-04-17 | 中国人民解放军陆军军事交通学院镇江校区 | Refrigerant recovery, purification and filling system |
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2019
- 2019-11-25 CN CN201922053004.7U patent/CN211424776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023641A (en) * | 2019-11-25 | 2020-04-17 | 中国人民解放军陆军军事交通学院镇江校区 | Refrigerant recovery, purification and filling system |
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