CN211177522U - Oil discharge device and dry evaporator comprising same - Google Patents
Oil discharge device and dry evaporator comprising same Download PDFInfo
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- CN211177522U CN211177522U CN201922359141.3U CN201922359141U CN211177522U CN 211177522 U CN211177522 U CN 211177522U CN 201922359141 U CN201922359141 U CN 201922359141U CN 211177522 U CN211177522 U CN 211177522U
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- pipeline
- oil
- oil discharge
- dry
- stop valve
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Abstract
The utility model discloses an oil discharge device, first pipeline and the one end of second pipeline are equallyd divide do not with the last oil discharge outlet of dry-type evaporimeter, are transferred the hydraulic fluid port and are linked together, and the other end joins and links together and is linked together with control filter equipment through three-way mode, and control filter equipment communicates the one end of third pipeline, and the other end of third pipeline is linked together through three-way mode with the refrigerant compressor breathing pipe of dry-type evaporimeter. The utility model also discloses a dry-type evaporator who contains this oil extraction device. The utility model discloses a dry evaporator is under the pressure state, oil safely put. The utility model discloses the oil of putting out is inhaled by the compressor after filtering, can reuse, does not produce environmental pollution. The utility model discloses utilize the pressure differential before dry-type evaporator and the compressor suction port to carry out the oil drain, need not additionally to utilize other equipment to handle, simple structure, the cost is lower.
Description
Technical Field
The utility model relates to an evaporimeter technical field especially relates to an oil extraction device and contain this oil extraction device's dry-type evaporator.
Background
The present dry evaporator features the full contact between refrigerant and cold medium and high vaporizing and refrigerating effect. The disadvantages are that: with the increase of the using time, the refrigerating machine oil carried by the refrigerant agent can be deposited in the dry evaporator, so that the vaporization refrigeration effect of the refrigerant agent is reduced. In the prior art, the deposited engine oil is generally treated regularly according to time or actual conditions, but the treatment time is uncertain, and manual judgment is often needed. Therefore, it is necessary to design an oil discharge device to treat the deposited oil in time.
Accordingly, there is a need for an oil discharge device and a dry evaporator including the same, which can prevent the danger of oil discharge and environmental pollution by sucking the refrigerating machine oil deposited in the dry evaporator into the refrigerating compressor through the pressure difference between the air suction port of the refrigerating compressor and the refrigerant compartment of the dry evaporator.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an oil extraction device and contain this oil extraction device's dry evaporator is provided, through the pressure differential between freezing compressor induction port and the dry evaporator refrigerant storehouse, inhales the freezing compressor with sedimentary refrigerating machine oil in the dry evaporator, has solved the danger and the environmental pollution of oil discharge.
The utility model discloses a following technical scheme solves above-mentioned technical problem:
an oil discharge device relates to a dry evaporator, which comprises a first pipeline, a second pipeline, a third pipeline and a control filter device;
one end of the first pipeline and one end of the second pipeline are communicated with an upper oil discharge port and a lower oil discharge port of the dry evaporator respectively, the other ends of the first pipeline and the second pipeline are converged and connected in a tee joint mode and communicated with a control filter device, the control filter device is communicated with one end of a third pipeline, and the other end of the third pipeline is communicated with a refrigerating compressor air suction pipe of the dry evaporator in a tee joint mode.
As one of preferable modes of the present invention, the control filter device includes a first stop valve, an oil strainer, and a second stop valve which are sequentially provided in a flow direction of the pipeline.
As one of the preferred modes of the utility model, still include liquid mirror and third cut-off valve, the liquid mirror sets up and is arranged in looking over the oil state in the pipeline behind the filter state in the second stop valve rear end, the third cut-off valve sets up and is arranged in the rear end of liquid mirror at any time to control the pipeline break-make.
As one of the preferable modes of the present invention, the present invention further includes a restrictor, the restrictor is disposed at the front end of the first stop valve for controlling the flow rate and the flow velocity.
As one of the preferable modes of the present invention, the oil strainer includes a plurality of strainers which are staggered and parallel to each other, and the flow paths in the strainers are staggered end to end.
As one of preferable embodiments of the present invention, the first stop valve, the oil strainer, the second stop valve, the liquid level mirror, and the third stop valve are all connected by a flange.
The utility model also discloses a dry-type evaporator who contains this oil extraction device, dry-type evaporator go up the oil discharge outlet, transfer the hydraulic fluid port and be connected with above-mentioned oil extraction device between the compressor breathing pipe.
The utility model discloses compare prior art's advantage and lie in: the utility model discloses a dry evaporator is under the pressure state, oil safely put. The utility model discloses the oil of putting out is inhaled by the compressor after filtering, can reuse, does not produce environmental pollution. The utility model discloses utilize the pressure differential before dry-type evaporator and the compressor suction port to carry out the oil drain, need not additionally to utilize other equipment to handle, simple structure, the cost is lower.
Drawings
FIG. 1 is a schematic view showing the overall structure of the oil drain device in the embodiment in cooperation with a dry evaporator;
FIG. 2 is a schematic view showing the overall structure of a control filter device in the embodiment;
FIG. 3 is a schematic diagram of an integral connecting pipeline structure of the throttling device, the first stop valve and the oil filter screen in the embodiment;
fig. 4 is an enlarged view illustrating a flow direction of an oil passage of the oil strainer of fig. 3.
In the figure, 1 is a first pipe 1, 2 is a second pipe, 3 is a third pipe, 4 is a control filter device, 401 is a first stop valve, 402 is an oil strainer, 403 is a second stop valve, 404 is a liquid level mirror, 405 is a third stop valve, 406 is a restrictor, 5 is an upper oil drain port of a dry evaporator, 6 is a lower oil drain of the dry evaporator, and 7 is a refrigerant compressor suction pipe.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1-4, an oil discharge device of the present embodiment relates to a dry evaporator, and includes a first pipe 1, a second pipe 2, a third pipe 3, and a control filter device 4;
one ends of the first pipeline 1 and the second pipeline 2 are respectively communicated with an upper oil discharge port 5 and a lower oil discharge port 6 of the dry evaporator, the other ends of the first pipeline and the second pipeline are converged and connected in a tee joint mode and are communicated with a control filtering device 4, the control filtering device 4 is communicated with one end of a third pipeline 3, and the other end of the third pipeline 3 is communicated with a refrigerating compressor air suction pipe 7 of the dry evaporator in a tee joint mode;
the embodiment utilizes the pressure difference between the dry evaporator and the air suction port of the refrigeration compressor to realize the safe oil discharge of the dry evaporator under the pressure state; and the deposited refrigerating machine oil is filtered again and reused by controlling the filtering device, so that the pollution to the environment is reduced.
In a specific embodiment, the control filter device comprises a first stop valve 401, an oil screen 402 and a second stop valve 403 which are arranged in sequence in the flow direction of the pipeline.
Preferably, the system further comprises a liquid mirror 404 and a third stop valve 405, wherein the liquid mirror 404 is arranged at the rear end of the second stop valve 403 and used for checking the state of the engine oil in the pipeline after the filtering state is checked, and the third stop valve 405 is arranged at the rear end of the liquid mirror 404 and used for controlling the on-off of the pipeline at any time.
Preferably, a flow restrictor 406 is further included, and the flow restrictor 406 is disposed at the front end of the first stop valve 401 for controlling the flow rate and the flow velocity.
Preferably, the oil screen 402 comprises a plurality of screens parallel to each other with staggered end-to-end flow paths; the flow path is increased, and the filtering efficiency is improved.
In the present embodiment, the first stop valve 401, the oil strainer 402, the second stop valve 403, the liquid surface mirror 404, and the third stop valve 405 are all connected by flanges.
Example 2
Referring to fig. 1: the embodiment also discloses a dry evaporator comprising the oil discharge device, wherein the oil discharge device is connected between an upper oil discharge port 5 and a lower oil discharge port 6 of the dry evaporator and an air suction pipe 7 of a refrigeration compressor.
The dry evaporator of the embodiment discharges through the pressure difference between the dry evaporator and the air inlet of the refrigeration compressor, and other equipment is not required to be additionally utilized for processing, so that the structure is simple, and the cost is low.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An oil discharge device relates to a dry evaporator, which is characterized by comprising a first pipeline, a second pipeline, a third pipeline and a control filter device;
one end of the first pipeline and one end of the second pipeline are communicated with an upper oil discharge port and a lower oil discharge port of the dry evaporator respectively, the other ends of the first pipeline and the second pipeline are converged and connected in a tee joint mode and communicated with a control filter device, the control filter device is communicated with one end of a third pipeline, and the other end of the third pipeline is communicated with a refrigerating compressor air suction pipe of the dry evaporator in a tee joint mode.
2. The oil discharge device according to claim 1, wherein the control filter device includes a first shutoff valve, an oil strainer, and a second shutoff valve which are provided in this order in the flow direction of the pipeline.
3. The oil discharge device of claim 2, further comprising a liquid mirror and a third stop valve, wherein the liquid mirror is disposed at a rear end of the second stop valve for checking a state of oil in the pipeline after the filtering state, and the third stop valve is disposed at a rear end of the liquid mirror for controlling the on/off of the pipeline at any time.
4. The oil drain device according to claim 2, further comprising a restrictor provided at a front end of the first shut-off valve for controlling flow rate and flow velocity.
5. An oil drainage device according to claim 2 wherein the oil screen comprises a plurality of screens parallel with offset positions relative to one another, the flow paths in the screens being offset end to end.
6. An oil drain device according to any one of claims 2 to 3, wherein the first stop valve, the oil strainer, the second stop valve, the level mirror and the third stop valve are all connected by flanges.
7. A dry evaporator comprising the oil discharge device of any one of claims 1 to 5, wherein the oil discharge device is connected between the upper oil discharge port and the lower oil discharge port of the dry evaporator and the suction pipe of the refrigeration compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359141.3U CN211177522U (en) | 2019-12-24 | 2019-12-24 | Oil discharge device and dry evaporator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359141.3U CN211177522U (en) | 2019-12-24 | 2019-12-24 | Oil discharge device and dry evaporator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177522U true CN211177522U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922359141.3U Active CN211177522U (en) | 2019-12-24 | 2019-12-24 | Oil discharge device and dry evaporator comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211177522U (en) |
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2019
- 2019-12-24 CN CN201922359141.3U patent/CN211177522U/en active Active
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