Refrigerant oil-water separation device

Abstract

The refrigerant oil-water separation device comprises a filtering assembly and a drainage assembly, the drainage assembly is arranged at the lower end of the filtering assembly, the filtering assembly comprises an end plate, an outer cylinder and a filter, the filter is arranged at the upper end in the outer cylinder and abuts against the lower end face of the end plate, and a storage cavity is formed between the outer cylinder and the filter. An air inlet and an air outlet are formed in the two sides of the end plate respectively, the air inlet is communicated with the filter, the storage cavity is communicated with the air outlet, and a check valve is installed between the storage cavity and the air outlet; compared with the prior art, the oil-water separation device has the advantages that the refrigerant is fed into the filter of the filter assembly through the air inlet, so that the refrigerant flowing out can be prevented from flowing back to influence the separation effect, and meanwhile, the refrigerant can be prevented from leaking during separation; the separation process can be completed in the same device, and the device is simple in overall structure and low in manufacturing and mounting cost.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-water separation, in particular to a refrigerant oil-water separation device. Background Art

[0002] The refrigerant separation device in the prior art usually contains some impurity oil mixed in the refrigerant after being compressed by the compressor, and the refrigerant separation efficiency is low; and each step of the separation of the refrigerant separation device in the prior art is completed by an independent mechanism, the structure is complex and the process is cumbersome, and it takes a lot of time to complete. Utility Model Content

[0003] In view of the shortcomings and defects of the prior art, a refrigerant oil-water separation device is provided. In order to achieve the purpose of better separating the refrigerant oil and water, the utility model provides the following technical solutions.

[0004] A refrigerant oil-water separation device includes a filter assembly and a drain assembly, wherein the drain assembly is arranged at the lower end of the filter assembly, and the filter assembly includes an end plate, an outer cylinder and a filter, wherein the filter is arranged at the upper end of the outer cylinder and abuts against the lower end surface of the end plate, and a storage cavity is formed between the outer cylinder and the filter, and an air inlet and an air outlet are respectively arranged on both sides of the end plate, the air inlet is connected to the filter, the storage cavity is connected to the air outlet, and a check valve is installed between the storage cavity and the air outlet.

[0005] Compared with the prior art, the practical oil-water separation device delivers the refrigerant into the filter of the filter assembly through the air inlet, and the separation can be effectively carried out after filtering by the filter. A check valve is arranged between the storage chamber and the air outlet. The check valve is a one-way flow structure, which can prevent the outflowing refrigerant from flowing back and affecting the separation effect, and also prevent the refrigerant from leaking during separation. The separation process can be completed in the same device, and the overall structure of the device is simple, and the manufacturing and installation costs are low.

[0006] Furthermore, the top of the end plate is concave to form a matching groove, and an air supply channel is provided in the end plate, the air supply channel connects the matching groove and the storage cavity, and the input end of the air outlet is connected to the matching groove, and a check valve is installed in the matching groove.

[0007] Through the above improvements, a recess is formed at the top of the end plate to form a matching groove, and the check valve can be installed in the matching groove.

[0008] Furthermore, the check valve includes a valve cover, a valve core and a sealing gasket, a spring is arranged between the valve core and the valve cover, a gasket is arranged between the valve cover and the inner wall of the matching groove, the sealing gasket is arranged between the valve core and the gas supply channel, and the sealing gasket is against the output port of the gas supply channel.

[0009] Through the above improvements, the check valve includes a valve cover, a valve core and a sealing gasket. Under normal circumstances, the sealing gasket is against the output port of the gas transmission channel to prevent leakage of the refrigerant, and a gasket is arranged between the valve cover and the inner wall of the matching groove to further improve the sealing performance; a spring is arranged between the valve core and the valve cover. When the refrigerant is discharged, the refrigerant pushes up the valve core and the spring contracts. After the refrigerant is discharged, the spring drives the valve core to reset, which can control the flow rate and flow of the refrigerant and prevent a large amount of refrigerant from flowing out in a short time, making it difficult to control.

[0010] Furthermore, a valve core is provided at the upper end of the end plate, and the valve core is communicated with the storage cavity.

[0011] Through the above improvements, a valve core is provided at the upper end of the end plate, and the valve core is connected to the storage chamber. The overall pressure in the storage chamber can be adjusted by adjusting the valve core to facilitate the transportation of the refrigerant, while also improving the safety of the device.

[0012] Furthermore, the drainage component includes an inlet pipe, an outlet pipe and a drain valve, a drainage cavity is provided in the drain valve, the output port of the inlet pipe and the input port of the outlet pipe are both connected to the drainage cavity, and one end of the drain valve is against the input port of the outlet pipe.

[0013] Through the above improvements, excess water can be discharged by adjusting the drain valve on the drain assembly, and when drainage is not required, the drain valve and the input port of the water outlet pipe are offset, thereby enhancing the sealing performance of the device.

[0014] Furthermore, a filter screen is provided at the upper end of the water inlet pipe.

[0015] Through the above improvements, a filter screen is provided at the upper end of the water inlet pipe, which can further filter and separate during drainage, thereby improving the separation effect of the device.

[0016] Furthermore, the filter assembly is detachable, and the upper end surface of the outer cylinder abuts against the lower end surface of the end plate and is fixed by bolts.

[0017] Through the above improvements, the outer cylinder and the end plate of the filter assembly are detachable structures, which can facilitate the replacement and adjustment of individual components; at the same time, the upper end surface of the outer cylinder abuts against the lower end surface of the end plate, and is further fixed by bolts, which can make the installation between the devices more firm and stable, and further improve the sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall structural diagram of a refrigerant oil-water separation device;

[0019] Figure 2 This is a structural diagram of a refrigerant oil-water separation device from a front view;

[0020] Figure 3 This is a top view structural diagram of a refrigerant oil-water separation device;

[0021] Figure 4 This is a cross-sectional structural diagram of a refrigerant oil-water separation device at AA;

[0022] Figure 5 This is a cross-sectional structural diagram of a refrigerant oil-water separation device at BB;

[0023] Figure 6 This is a partial enlarged view of the cross-sectional structure at point C of a refrigerant oil-water separation device.

[0024] Among them, 1. Filter assembly; 1.1. End plate; 1.11. Air inlet; 1.12. Air outlet; 1.13. Matching groove; 1.14. Air transmission channel; 1.2. Outer cylinder; 1.3. Filter; 1.4. Check valve; 1.41. Valve cover; 1.42. Valve core; 1.43. Sealing gasket; 1.44. Spring; 1.45. Washer; 1.5. Valve core; 2. Drainage assembly; 2.1. Water inlet pipe; 2.2. Water outlet pipe; 2.3. Drain valve; 2.31. Drainage chamber; 2.4. Filter screen; 3. Storage chamber; 4. Bolts. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention; in addition, the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] A refrigerant oil-water separation device includes a filter assembly 1 and a drainage assembly 2. The drainage assembly 2 is arranged at the lower end of the filter assembly 1. The filter assembly 1 includes an end plate 1.1, an outer cylinder 1.2 and a filter 1.3. The filter 1.3 is arranged at the upper end of the outer cylinder 1.2 and abuts against the lower end surface of the end plate 1.1. A storage chamber 3 is formed between the outer cylinder 1.2 and the filter 1.3. An air inlet 1.11 and an air outlet 1.12 are respectively arranged on both sides of the end plate 1.1. The air inlet 1.11 is connected to the filter 1.3, the storage chamber 3 is connected to the air outlet 1.12, and a check valve 1.4 is installed between the storage chamber 3 and the air outlet 1.12.

[0028] The filter assembly 1 of the device is a detachable structure, and the upper end surface of the outer cylinder 1.2 of the filter assembly 1 is abutted against the lower end surface of the end plate 1.1, and is further fixed by bolts 4, which is convenient for replacing single components and improves convenience; the top of the end plate 1.1 is recessed to form a matching groove 1.13, and the check valve 1.4 is arranged in the matching groove 1.13; the end plate 1.1 is provided with an air supply channel 1.14 connected to the storage chamber 3 and the matching groove 1.13, which facilitates the refrigerant to enter the air outlet 1.12 from the storage chamber 3 for subsequent operations; the top of the end plate 1.1 is also provided with a valve core 1.5, which is connected to the storage chamber 3, and the overall air pressure in the storage chamber 3 can be adjusted by adjusting the valve core 1.5, which facilitates the transportation of the refrigerant and also improves the safety of the device.

[0029] The check valve 1.4 includes a valve cover 1.41, a valve core 1.42 and a sealing gasket 1.43. The sealing gasket 1.43 is arranged in the valve core 1.42, and a spring 1.44 is arranged between the valve core 1.42 and the valve cover 1.41. Under normal circumstances, the sealing gasket 1.43 is against the gas transmission channel 1.14 to prevent the refrigerant from leaking. When the refrigerant is discharged, the refrigerant pushes up the valve core 1.42 and the spring 1.44 contracts; after the refrigerant is discharged, the spring 1.44 drives the valve core 1.42 to reset, and the sealing gasket 1.43 is against the gas transmission channel 1.14 again.

[0030] The medium of the refrigerant is R134a. When the device is in use, the compressor transports the refrigerant to the air inlet 1.11 at the end plate 1.1 of the device, and the refrigerant enters the filter 1.3 from the air inlet 1.11. Since the refrigerant contains impurity oil after being transported by the compressor, the impurity oil is separated from the refrigerant through the filter 1.3 after the first filtration, and the impurity oil is retained in the filter 1.3, and then the refrigerant enters the storage chamber 3 from the filter 1.3; then the refrigerant in the storage chamber 3 is distilled, and the refrigerant is converted from liquid to gas, and then enters the check valve 1.4 from the storage chamber 3; the refrigerant pushes open the check valve 1.4 and flows out from the air outlet 1.12 to the condenser for subsequent operations, and finally the excess water in the storage chamber 3 is discharged to the outside of the device through the drainage component 2.

[0031] A drainage component 2 is arranged at the lower end of the filtering component 1 of the device, and the drainage component 2 includes an inlet pipe 2.1, a drainage valve 2.3 and an outlet pipe 2.2 which are arranged in sequence. One end of the inlet pipe 2.1 is arranged in the storage chamber 3, and a filter screen 2.4 is arranged at the upper end of the inlet pipe 2.1, so that the oil and water in the storage chamber 3 can be filtered; a drainage chamber 2.31 is arranged in the drainage valve 2.3, and the output port of the inlet pipe 2.1 is connected with the drainage chamber 2.31, and the input port of the outlet pipe 2.2 is also connected with the drainage chamber 2.31, so that water can be smoothly discharged from the storage chamber 3 of the outer tube 1.2; at the same time, a section of the drainage valve 2.3 is offset against the input port of the outlet pipe 2.2, which can achieve a better sealing effect when drainage is not required.

[0032] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A refrigerant oil-water separation device, characterized in that: The invention comprises a filter assembly (1) and a drainage assembly (2), wherein the drainage assembly (2) is arranged at the lower end of the filter assembly (1), and the filter assembly (1) comprises an end plate (1.1), an outer cylinder (1.2) and a filter (1.3), wherein the filter (1.3) is arranged at the upper end of the outer cylinder (1.2) and abuts against the lower end surface of the end plate (1.1), and a storage chamber (3) is formed between the outer cylinder (1.2) and the filter (1.3), and an air inlet (1.11) and an air outlet (1.12) are respectively arranged on both sides of the end plate (1.1), wherein the air inlet (1.11) is connected to the filter (1.3), the storage chamber (3) is connected to the air outlet (1.12), and a check valve (1.4) is installed between the storage chamber (3) and the air outlet (1.12).

2. A refrigerant oil-water separation device according to claim 1, characterized in that: The top of the end plate (1.1) is concave to form a matching groove (1.13), and a gas transmission channel (1.14) is provided in the end plate (1.1), the gas transmission channel (1.14) connects the matching groove (1.13) and the storage chamber (3), and the input end of the gas outlet (1.12) is connected to the matching groove (1.13), and the check valve (1.4) is installed in the matching groove (1.13).

3. A refrigerant oil-water separation device according to claim 2, characterized in that: The check valve (1.4) comprises a valve cover (1.41), a valve core (1.42) and a sealing gasket (1.43); a spring (1.44) is arranged between the valve core (1.42) and the valve cover (1.41); a gasket (1.45) is arranged between the valve cover (1.41) and the inner wall of the matching groove (1.13); the sealing gasket (1.43) is arranged between the valve core (1.42) and the gas transmission channel (1.14), and the sealing gasket (1.43) abuts against the output port of the gas transmission channel (1.14).

4. A refrigerant oil-water separation device according to claim 2, characterized in that: The upper end of the end plate (1.1) is provided with a valve core (1.5), and the valve core (1.5) is connected to the storage chamber (3).

5. The refrigerant oil-water separation device according to claim 1, characterized in that: The drainage component (2) comprises a water inlet pipe (2.1), a water outlet pipe (2.2) and a drainage valve (2.3); a drainage cavity (2.31) is arranged in the drainage valve (2.3); the output port of the water inlet pipe (2.1) and the input port of the water outlet pipe (2.2) are both connected to the drainage cavity (2.31), and one end of the drainage valve (2.3) abuts against the input port of the water outlet pipe (2.2).

6. A refrigerant oil-water separation device according to claim 5, characterized in that: A filter screen (2.4) is provided at the upper end of the water inlet pipe (2.1).

7. The refrigerant oil-water separation device according to claim 1, characterized in that: The filter assembly (1) is detachable, and the upper end surface of the outer cylinder (1.2) abuts against the lower end surface of the end plate (1.1) and is fixed by bolts (4).

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