Recycling device for secondary refrigerant

Abstract

The utility model discloses a secondary refrigerant recovery device which comprises a storage tank and a recovery pipe, the recovery pipe comprises a first branch pipe, a filter ball and a second branch pipe which are sequentially connected from top to bottom, the interior of the filter ball is hollow, and a filter screen is arranged in the filter ball so as to filter a secondary refrigerant; one end, far away from the filter ball, of the first branch pipe is provided with a first joint, the first joint is used for being connected with an external cooling pipeline, one end, far away from the filter ball, of the second branch pipe is provided with a second joint, and the second joint is used for being connected with a tank opening of a storage tank. Through the arrangement of the filter screen, when the secondary refrigerant flows through the recovery pipe, the filter screen can filter the secondary refrigerant and obstruct impurity particles, so that the filtering operation in the secondary refrigerant recovery process is realized, and subsequent other treatment operations on the secondary refrigerant are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of refrigerant recovery, in particular to a refrigerant recovery device. Background Art

[0002] The refrigerant is an intermediate cooling medium in an indirect cooling refrigeration device that transfers heat from the cooled system (object or space) to the refrigerant. The refrigerant recovery device is a container used to recover and store the refrigerant.

[0003] The refrigerant recovery device in the related technology usually includes a storage tank and a recovery pipe. One end of the recovery pipe is connected to the discharge end of the cooling pipe and the other end is connected to the storage tank. Then, the delivery pump on the cooling pipe is turned on, and the refrigerant in the cooling pipe can enter the storage tank through the recovery pipe.

[0004] However, the refrigerant contains some particulate impurities. When the refrigerant is recovered, the particulate impurities will also enter the storage tank. The refrigerant needs to be filtered later, which is troublesome and needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a refrigerant recovery device that can achieve filtering operations during the refrigerant recovery process to facilitate subsequent processing operations of the refrigerant.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a recovery device for a brine, comprising a storage tank and a recovery pipe, wherein the recovery pipe comprises a first branch pipe, a filter ball and a second branch pipe connected in sequence from top to bottom, wherein the interior of the filter ball is hollow, and a filter net is arranged inside the filter ball to filter the brine;

[0007] A first joint is provided at one end of the first branch pipe away from the filter ball, and the first joint is used to connect to an external cooling pipe. A second joint is provided at one end of the second branch pipe away from the filter ball, and the second joint is used to connect to the tank mouth of the storage tank.

[0008] In a preferred example, the utility model can be further configured as follows: the first branch pipe is made of soft material, the second branch pipe and the filter ball are respectively made of hard materials, and after the second joint is connected to the storage tank, the second branch pipe can be in a vertical state.

[0009] In a preferred example, the utility model can be further configured as follows: the center position of the filter screen is arched upward to form a guide surface, and the center position of the guide surface is aligned with the port of the first branch pipe.

[0010] In a preferred embodiment, the present utility model can be further configured as follows: The filter ball includes two semi-circular filter shells, the filter net is detachably connected inside the filter shell located at the lower position, and the two filter shells are connected through a flange plate.

[0011] In a preferred embodiment, the present utility model can be further configured as follows: A limiting ring is fixedly connected along the circumferential direction of the edge position of the filter net, a stepped groove is formed at the port of the filter shell located at the lower position, and the filter shell located at the upper position can press and limit the limiting ring in the stepped groove.

[0012] In a preferred embodiment, the present utility model can be further configured as follows: An elastic sealing ring is fixedly connected along the circumferential direction of the port of the filter shell located at the lower position, and a sealing groove for the sealing ring to be snapped into is formed at the port of the filter shell located at the upper position.

[0013] In a preferred embodiment, the present utility model can be further configured as follows: An exhaust valve and an overflow pipe are connected to the top of the storage tank.

[0014] In summary, the present utility model has the following beneficial effects:

[0015] 1. By providing a filter net, when the coolant flows through the recovery pipe, the filter net can filter the coolant and block impurity particles, thereby realizing the filtering operation during the coolant recovery process to facilitate subsequent other processing operations on the coolant;

[0016] 2. By providing an arched filter net, impurity particles can move to the edge position of the filter net, ensuring the filtering effect of the filter net on the coolant and reducing the risk of the filter net being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the embodiment;

[0018] Figure 2 is a cross-sectional view of the embodiment;

[0019] Figure 3 is Figure 2 an enlarged schematic view of area A in

[0020] Reference numerals: 1, storage tank; 2, recovery pipe; 21, first branch pipe; 22, filter ball; 221, filter shell; 222, flange plate; 23, second branch pipe; 24, first joint; 25, second joint; 26, filter net; 27, guiding surface; 3, exhaust valve; 4, overflow pipe; 5, discharge pipe; 6, control valve; 7, limiting ring; 8, stepped groove; 9, sealing ring; 10, sealing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0022] Referring to Figure 1 , a coolant recovery device includes a storage tank 1 and a recovery pipe 2. An exhaust valve 3 and an overflow pipe 4 are connected to the top of the storage tank 1, and a discharge pipe 5 is connected to the bottom. Control valves 6 are respectively connected to the overflow pipe 4 and the discharge pipe 5. When recovering the coolant, the control valves 6 on the exhaust valve 3 and the overflow pipe 4 are respectively opened so that the coolant can smoothly enter the storage tank 1. After the storage tank 1 is filled with the coolant, the coolant flows out through the overflow pipe 4.

[0023] Referring to Figure 1 、 Figure 2 , the recovery pipe 2 includes a first branch pipe 21, a filter ball 22, and a second branch pipe 23 connected in sequence from top to bottom. A first joint 24 is provided at one end of the first branch pipe 21 away from the filter ball 22, and the first joint 24 is used to connect to an external cooling pipe. A second joint 25 is provided at one end of the second branch pipe 23 away from the filter ball 22, and the second joint 25 is used to connect to the tank opening of the storage tank 1. At the same time, the inside of the filter ball 22 is hollow, and a filter net 26 is provided inside the filter ball 22 to filter the coolant, thereby blocking impurity particles. This design can realize the filtering operation during the coolant recovery process to facilitate subsequent other processing operations on the coolant.

[0024] Referring to Figure 1 、 Figure 2 , the first branch pipe 21 is made of a soft material, the second branch pipe 23 and the filter ball 22 are respectively made of a hard material, and after the second joint 25 is connected to the storage tank 1, the second branch pipe 23 can be in a vertical state to ensure the filtering effect on the coolant.

[0025] Referring to Figure 1 、 Figure 2 , the central position of the filter net 26 arches upward to form a diversion surface 27, and the central position of the diversion surface 27 is aligned with the port of the first branch pipe 21. When the coolant enters the filter ball 22, the impurity particles can move along the diversion surface 27 to the edge position of the filter net 26 to ensure the filtering effect of the filter net 26 on the coolant and reduce the risk of blockage of the filter net 26.

[0026] Referring to Figure 1 、 Figure 2 , the filter ball 22 includes two semi-circular filter shells 221, the filter net 26 is detachably connected inside the filter shell 221 located at the lower position, and the two filter shells 221 are connected by a flange 222. This design enables the staff to clean and replace the filter net 26 and other operations, improving the convenience of cleaning and maintenance.

[0027] Referring to Figure 1 、Figure 2 , a limiting ring 7 is fixedly connected to the edge position of the filter net 26 along its circumferential direction. A step groove 8 is formed at the port of the filter housing 221 located at the lower position, and the filter housing 221 located at the upper position can press and limit the limiting ring 7 in the step groove 8, so as to realize the stable fixation of the filter net 26.

[0028] Refer to Figure 2 , Figure 3 , an elastic sealing ring 9 is fixedly connected to the port of the filter housing 221 located at the lower position along its circumferential direction. A sealing groove 10 for the sealing ring 9 to be inserted is formed at the port of the filter housing 221 located at the upper position, so as to improve the overall sealing effect of the filter ball 22 and reduce the risk of leakage of the coolant.

[0029] The specific embodiments are only explanations of the present invention, and they are not limitations of the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A cooling medium recovery device, comprising a storage tank (1) and a recovery pipe (2), characterized in that: The recovery pipe (2) comprises a first branch pipe (21), a filter ball (22) and a second branch pipe (23) which are sequentially connected from top to bottom; the interior of the filter ball (22) is hollow, and a filter net (26) is arranged inside the filter ball (22) to filter the coolant; A first joint (24) is provided at one end of the first branch pipe (21) away from the filter ball (22), and the first joint (24) is used to be connected to an external cooling pipe. A second joint (25) is provided at one end of the second branch pipe (23) away from the filter ball (22), and the second joint (25) is used to be connected to the tank mouth of the storage tank (1).

2. A cooling agent recovery device according to claim 1, characterized in that: The first branch pipe (21) is made of soft material, the second branch pipe (23) and the filter ball (22) are respectively made of hard material, and after the second joint (25) is connected to the storage tank (1), the second branch pipe (23) can be in a vertical state.

3. A refrigerant recovery device according to claim 2, characterized in that: The center position of the filter screen (26) is arched upward to form a flow guide surface (27), and the center position of the flow guide surface (27) is aligned with the port of the first branch pipe (21).

4. The device for recovering a cooling agent according to claim 1, characterized in that: The filter ball (22) comprises two semicircular filter shells (221), the filter net (26) is detachably connected in the filter shell (221) located at the lower position, and the two filter shells (221) are connected via a flange (222).

5. A refrigerant recovery device according to claim 4, characterized in that: The edge of the filter screen (26) is fixedly connected to a limit ring (7) along its circumference, a step groove (8) is provided at the port of the filter housing (221) located at the lower position, and the filter housing (221) located at the upper position can press the limit ring (7) to be limited in the step groove (8).

6. A refrigerant recovery device according to claim 4, characterized in that: An elastic sealing ring (9) is fixedly connected to the port of the filter housing (221) at the lower position along its circumference, and a sealing groove (10) for the sealing ring (9) to be inserted into is provided at the port of the filter housing (221) at the upper position.

7. The device for recovering brine according to claim 1, characterized in that: The top of the storage tank (1) is connected to an exhaust valve (3) and an overflow pipe (4).

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