CN219607442U

CN219607442U - Fluorine extracting device

Info

Publication number: CN219607442U
Application number: CN202320364498.4U
Authority: CN
Inventors: 万华舜; 周慈丽; 王春洲
Original assignee: Hubei Dongjiang Environmental Protection Co ltd
Current assignee: Hubei Dongjiang Environmental Protection Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-08-29
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to a fluorine extracting device, which relates to the technical field of fluorine extracting equipment and comprises a frame, a refrigerant recycling machine and fluorine extracting pipe fittings. Firstly, the parts are connected in sequence, the refrigerant recycling machine is generally arranged above a conveying line, when the other end of the fluorine extraction pipe fitting is communicated with a refrigerant pipeline of refrigeration equipment, cold medium in the refrigeration equipment can be extracted through the recycling pump, after fluorine enters the shell, most of impurities can be blocked from entering the accommodating space through the filtering effect of the filtering cover, and pollution to the shell can be hardly caused.

Description

Fluorine extracting device

Technical Field

The utility model relates to the technical field of fluorine extraction equipment, in particular to a fluorine extraction device.

Background

Refrigerating equipment comprises refrigerating machines such as civil air conditioners, commercial air conditioners, refrigerators, heat pump units, screw centrifugal units and the like, for example, for waste air conditioners, a waste air conditioner disassembling line is used for intensively disassembling the recycled waste air conditioners, and many parts and materials in the waste air conditioners can be recycled, so that the refrigerating equipment has high recycling value. Freon is a refrigerating medium of an air conditioner, and the recovery of freon is an essential step in the disassembly process of the air conditioner. In the prior art, freon in waste is directly extracted by a refrigerant recycling machine, and a fluorine extraction pipeline of the refrigerant recycling machine is communicated with a refrigerant pipeline of a waste air conditioner and then extracted.

Patent CN218442897U discloses a take out fluorine device for air conditioner disassemble line for target pipeline and joint fixed connection through rotating seat and joint cooperation, drive the conical head through rotating lock nut and remove towards target pipeline, and prick into the pipeline, and make hose and target pipeline intercommunication, the operator opens the valve and takes out freon in the target pipeline through the refrigerant recoverer at last, realizes the effect of extracting and collecting freon in the outer machine of old and useless air conditioner, reduces wasting of resources and environmental pollution.

However, since the filtering piece is not arranged in the conventional fluorine extracting device, a large amount of impurities can remain in the refrigerant recycling machine, so that on one hand, the refrigerant recycling machine is difficult to clean, on the other hand, more impurities are mixed in the refrigerant medium, and the difficulty of recycling and purifying the refrigerant medium is increased, so that a fluorine extracting device is needed.

Disclosure of Invention

Aiming at the state of the prior art, the utility model provides the fluorine extraction device, which can effectively solve the problems that a large amount of impurities can remain in the refrigerant recovery machine due to the fact that a filter element is not arranged in the prior art, so that the refrigerant recovery machine is difficult to clean on one hand, and more impurities are mixed in a refrigerant medium on the other hand, and the difficulty of recovery and purification of the refrigerant medium is increased.

The utility model is realized by the following technical scheme:

the utility model provides a fluorine extracting device, which comprises:

a frame.

The refrigerant recycling machine comprises a shell, a filter cover and a recycling pump, wherein the shell is arranged on the frame, an accommodating space is formed in the shell and is provided with a fluorine inlet and a fluorine outlet which are respectively communicated with the accommodating space, a port in the accommodating space is arranged to be a first port, the fluorine inlet is arranged at a port outside the accommodating space and is arranged to be a second port, the filter cover is arranged in the accommodating space, a filter hole for filtering impurities is formed in the filter cover, a connecting port for communicating with the first port is formed in the side wall of the filter cover, and the recycling pump is arranged in the accommodating space and is used for providing a suction force.

And one end of the fluorine extraction pipe fitting is communicated with the second port, and the other end of the fluorine extraction pipe fitting is used for being communicated with a refrigerant pipeline of refrigeration equipment.

Further, the refrigerant recycling machine further comprises a box door, a mounting opening for mounting or dismounting the filter cover is formed in the top of the shell, the box door is arranged at the mounting opening, and the box door is provided with a first state for sealing and blocking the mounting opening and a second state for removing the sealing and blocking the mounting opening.

Further, the first port is formed with an external thread, and the connection port is formed with an internal thread for mating connection with the external thread.

Further, the refrigerant recycling machine further comprises a supporting frame, and the supporting frame is arranged in the accommodating space and used for supporting the filter cover.

Further, at least one first clamping groove for supporting the same filter cover is formed in the top of the supporting frame.

Further, the refrigerant recycling machine further comprises a pre-tightening assembly, when the internal threads are connected with the external threads in a matched mode, the direction of the connecting port pointing to the fluorine inlet is set to be a first direction, and the pre-tightening assembly is arranged in the accommodating space and used for providing a pre-tightening force for the filter cover along the first direction.

Further, the pretension subassembly includes elastic component, helical pitch pole and supporting seat, the one end of elastic component with shells inner wall connects, the other end of elastic component with the supporting seat is connected, the helical pitch pole is located accommodation space, the one end of helical pitch pole is followed the slip of first direction is located the casing, the other end of helical pitch pole with the supporting seat is connected.

Further, a second clamping groove for clamping the end part of the filter cover is formed in one end, away from the elastic piece, of the supporting seat.

Further, the fluorine extraction pipe fitting comprises a quick connector, a fluorine extraction pipeline and an air extraction connector which are communicated in sequence, wherein the quick connector is used for being communicated with the second port, and the air extraction connector is used for being communicated with a refrigerant pipeline of refrigeration equipment.

Furthermore, the fluorine extraction pipe fitting further comprises a filter screen, and the filter screen is arranged at the joint of the fluorine extraction pipeline and the air extraction connector and is used for filtering impurities.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the components are connected in sequence, and the refrigerant recovery machine is generally arranged above the conveying line, when the other end of the fluorine extraction pipe is communicated with a refrigerant pipeline of the refrigeration equipment, cold medium in the refrigeration equipment can be extracted through the recovery pump, and after fluorine enters the shell, most impurities can be blocked from entering the accommodating space through the filtering effect of the filtering cover, so that pollution to the shell is hardly caused.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a fluorine extracting device according to the present utility model;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 2;

FIG. 4 is a schematic perspective view of a portion of a fluorine extracting device according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram showing a perspective view of an embodiment of a portion of a fluorine extracting device according to the present utility model;

fig. 6 is a partially enlarged schematic view of the portion B in fig. 5.

Reference numerals: 1. a frame; 2. a refrigerant recovery machine; 21. a housing; 211. an accommodation space; 212. a fluorine inlet; 2121. a first port; 2122. a second port; 22. a filter cover; 221. a filter hole; 23. a door; 24. a support frame; 241. a first clamping groove; 25. a pretension assembly; 251. an elastic member; 252. a lead rod; 253. a support base; 2531. and the second clamping groove.

Detailed Description

The preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments hereof serve to illustrate the utility model, not to limit the utility model.

As shown in fig. 1 to 6, the fluorine extracting device provided by the utility model comprises a frame 1, a refrigerant recycling machine 2 and a fluorine extracting pipe fitting.

The refrigerant recycling machine 2 comprises a shell 21, a filter cover 22 and a recycling pump, wherein the shell 21 is arranged on the frame 1, an accommodating space 211 is formed in the shell 21 and provided with a fluorine inlet 212 and a fluorine outlet which are respectively communicated with the accommodating space 211, a port of the fluorine inlet 212, which is positioned in the accommodating space 211, is set to be a first port 2121, a port of the fluorine inlet 212, which is positioned outside the accommodating space 211, is set to be a second port 2122, the filter cover 22 is arranged in the accommodating space 211, a filter space is formed in the filter cover 22, a filter hole 221 for filtering impurities is formed in the side wall of the filter cover 22, a connecting port for communicating with the first port 2121 is formed in one end of the filter cover, and the recycling pump is arranged in the accommodating space 211 and is used for providing a suction force.

One end of the fluorine extraction pipe fitting is communicated with the second port 2122, and the other end of the fluorine extraction pipe fitting is used for being communicated with a refrigerant pipeline of refrigeration equipment.

For the existing fluorine pumping device, as no filtering piece is arranged, a large amount of impurities can remain in the refrigerant recycling machine 2, on one hand, the refrigerant recycling machine 2 is difficult to clean (for example, the interior of the refrigerant recycling machine 2 has a plurality of cleaning dead angles, so that the cleaning work is not easy to carry out and the purity of the refrigerant medium pumped in later is continuously influenced), on the other hand, the refrigerant medium is mixed with more impurities, the difficulty of recycling and purifying the refrigerant medium is increased (for example, the impurities in the refrigerant medium are more, and the purification steps and the purification difficulty are increased), and therefore, the fluorine pumping device provided by the utility model can effectively solve the technical problems.

According to the utility model, by arranging the parts such as the frame 1, the refrigerant recovery machine 2 and the fluorine extraction pipe fitting, the parts are connected in sequence, the refrigerant recovery machine 2 is generally arranged above the conveying line, when the other end of the fluorine extraction pipe fitting is communicated with a refrigerant pipeline of the refrigeration equipment, refrigerant medium in the refrigeration equipment can be extracted through the recovery pump, after fluorine enters the shell 21, most impurities can be blocked from entering the accommodating space 211 through the filtering action of the filtering cover 22, and pollution to the shell 21 is hardly caused, therefore, the refrigerant recovery machine 2 has fewer residual impurities by arranging the structure, on one hand, the refrigerant recovery machine 2 is simple to clean, only the clean filtering cover 22 is required to be replaced during actual cleaning, and on the other hand, fewer impurities are mixed in the refrigerant medium, so that the difficulty of refrigerant medium recovery and purification is reduced.

The refrigerating equipment can be a refrigerating machine such as a civil air conditioner, a commercial air conditioner, a refrigerator, a heat pump unit, a screw centrifugal unit and the like, for example, when the refrigerating equipment is a waste air conditioner, the refrigerant medium is mainly freon, and the utility model is mainly applied to recycling of fluorine in the waste air conditioner.

The number of the filter hoods 22 may be one or more, and the mesh diameter of the filter hoods 22 may be designed according to practical situations, so long as the filter hoods can block most of impurities, preferably, the mesh of the filter hoods 22 may be designed to have a small diameter and be in a dense pore structure.

The fluorine extraction pipe fitting may be a branch pipe structure in the prior art, for example, the structure disclosed in CN217979394U may be applied to the present utility model, so as to facilitate fluorine extraction.

The conveying line is used for conveying refrigeration equipment to be subjected to fluorine extraction.

The fluorine outlet is normally in a closed state, and the fluorine outlet is used for being communicated with the purifying equipment to purify the refrigerant medium.

In order to facilitate the installation or the disassembly of the filter cover 22, the refrigerant recycling machine 2 further comprises a box door 23, the top of the shell 21 is provided with an installation opening for installing or disassembling the filter cover 22, the box door 23 is arranged at the installation opening, and the box door 23 is provided with a first state for sealing and blocking the installation opening and a second state for releasing the sealing and blocking the installation opening. When the door 23 is in the first state, the refrigerant recovery machine 2 can pump fluorine, and when the door 23 is in the first state, the filter cover 22 can be replaced, so that the filter cover 22 is designed to be convenient to install or detach.

In order to stably locate the filter housing 22 in the accommodation space 211, the first port 2121 is formed with an external thread, and the connection port is formed with an internal thread for mating connection with the external thread. The refrigerant recycling machine 2 further includes a supporting frame 24, where the supporting frame 24 is disposed in the accommodating space 211 for supporting the filter housing 22. At least one first clamping groove 241 for supporting the same filter cover 22 is formed in the top of the supporting frame 24. The refrigerant recycling machine 2 further includes a pre-tightening assembly 25, when the internal thread is in fit connection with the external thread, the direction of the connection port pointing to the fluorine inlet 212 is set as a first direction, and the pre-tightening assembly 25 is disposed in the accommodating space 211 to provide a pre-tightening force for the filter housing 22 along the first direction. The pretensioning assembly 25 includes an elastic member 251, a lead rod 252 and a supporting seat 253, one end of the elastic member 251 is connected with the inner wall of the housing 21, the other end of the elastic member 251 is connected with the supporting seat 253, the lead rod 252 is located in the accommodating space 211, one end of the lead rod 252 is slidably disposed in the housing 21 along the first direction, and the other end of the lead rod 252 is connected with the supporting seat 253. The end of the supporting seat 253, which is away from the elastic member 251, is provided with a second clamping groove 2531 for clamping the end of the filter cover 22. In practical application, the supporting seat 253 can be adjusted to a compressed state, then the filter cover 22 is clamped in the first clamping groove 241, then the internal thread and the external thread are connected in a matched manner, so that the filter cover 22 is connected to the first port 2121, then the supporting seat 253 is loosened, the second clamping groove 2531 corresponds to the end part of the filter cover 22, the supporting seat 253 provides a pretightening force for the filter cover 22 under the action of the restoring force of the elastic piece 251, so that the filter cover 22 is stably arranged in the accommodating space 211, then fluorine extraction work can be performed, and the impurity filtering effect is good; when the filter housing 22 needs to be replaced, the supporting seat 253 is adjusted to be in a compressed state, so that the second clamping groove 2531 and the end part of the filter housing 22 are separated from each other and are distributed at intervals, the internal thread and the external thread are separated in a rotating way, and then the filter housing 22 is moved out of the first clamping groove 241 for taking down the filter housing 22; the above-described mounting steps are then repeated to mount a clean filter housing 22.

In order to adapt to different refrigeration equipment, the fluorine extraction pipe fitting comprises a quick connector, a fluorine extraction pipeline and an air extraction connector which are communicated in sequence, wherein the quick connector is used for being communicated with the second port 2122, and the air extraction connector is used for being communicated with a refrigerant pipeline of the refrigeration equipment. The fluorine extraction pipe fitting further comprises a filter screen, and the filter screen is arranged at the joint of the fluorine extraction pipeline and the air extraction connector and is used for filtering impurities. The design can be according to actual conditions, change quick connector and the air extraction connector of different grade type, and the length of taking out the fluorine pipeline is adjustable to adapt to different refrigeration plant, and design filter screen, and the mesh size of filter screen should not be too little, avoids the jam problem, but the filter screen still can filter some great impurity, in order to avoid taking out the fluorine pipeline and the air extraction connector to block up, the practical application of being convenient for.

Compared with the prior art, the fluorine extracting device provided by the utility model has the following beneficial effects:

The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather is merely illustrative of the present utility model, and all modifications and equivalents of the embodiments described above may be made in accordance with the technical spirit of the present utility model.

Claims

1. A fluorine extraction device, comprising:

a frame;

the refrigerant recycling machine comprises a shell, a filter cover and a recycling pump, wherein the shell is arranged on the frame, an accommodating space is formed in the shell and is provided with a fluorine inlet and a fluorine outlet which are respectively communicated with the accommodating space, a port of the fluorine inlet positioned in the accommodating space is set to be a first port, a port of the fluorine inlet positioned outside the accommodating space is set to be a second port, the filter cover is arranged in the accommodating space, a filter space is formed in the filter cover, a filter hole for filtering impurities is formed in the side wall of the filter cover, a connecting port for communicating with the first port is formed in one end of the filter hole, and the recycling pump is arranged in the accommodating space and is used for providing a suction force;

2. The fluorine extraction device of claim 1, wherein the refrigerant recovery machine further comprises a door, a mounting opening for mounting or dismounting the filter cover is formed in the top of the housing, the door is arranged in the mounting opening, and the door has a first state for sealing and blocking the mounting opening and a second state for releasing the sealing and blocking the mounting opening.

3. The fluorine extraction device of claim 2, wherein the first port is formed with external threads and the connection port is formed with internal threads for mating connection with the external threads.

4. The fluorine extracting device of claim 3, wherein the refrigerant recycling machine further comprises a supporting frame, and the supporting frame is arranged in the accommodating space for supporting the filter cover.

5. The fluorine extraction device of claim 4, wherein the top of the support frame is provided with at least one first clamping groove for supporting the same filter housing.

6. The fluorine extraction device of claim 5, wherein the refrigerant recycling machine further comprises a pre-tightening assembly, wherein when the internal thread is in fit connection with the external thread, the direction of the connection port pointing to the fluorine inlet is set as a first direction, and the pre-tightening assembly is arranged in the accommodating space and used for providing a pre-tightening force for the filter cover along the first direction.

7. The fluorine extracting device of claim 6, wherein the pre-tightening assembly comprises an elastic member, a lead rod and a supporting seat, one end of the elastic member is connected with the inner wall of the housing, the other end of the elastic member is connected with the supporting seat, the lead rod is located in the accommodating space, one end of the lead rod is slidably arranged in the housing along the first direction, and the other end of the lead rod is connected with the supporting seat.

8. The fluorine extraction device of claim 7, wherein a second clamping groove for clamping the end of the filter housing is formed in one end of the support base away from the elastic member.

9. The fluorine extraction device of claim 8, wherein the fluorine extraction pipe comprises a quick connector, a fluorine extraction pipe and an air extraction connector which are communicated in sequence, the quick connector is used for being communicated with the second port, and the air extraction connector is used for being communicated with a refrigerant pipe of a refrigeration device.

10. The fluorine extraction device of claim 9, wherein the fluorine extraction tube further comprises a filter screen disposed at the junction of the fluorine extraction tube and the suction connector for filtering impurities.