CN215057529U - Cooling oil circuit system of mining explosion-proof refrigerating device - Google Patents
Cooling oil circuit system of mining explosion-proof refrigerating device Download PDFInfo
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- CN215057529U CN215057529U CN202121189228.1U CN202121189228U CN215057529U CN 215057529 U CN215057529 U CN 215057529U CN 202121189228 U CN202121189228 U CN 202121189228U CN 215057529 U CN215057529 U CN 215057529U
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Abstract
The utility model discloses a mining explosion-proof refrigerating plant's cooling oil piping system, including compressor, oil separator, working medium oil cooler, condenser, oil cooler choke valve, economizer choke valve, evaporimeter, compressor's induction port passes through the compressor and breathes in the pipeline and links to each other with the steam output of evaporimeter, and oil separator's gas vent passes through oil separator exhaust pipe and links to each other with the input of condenser, and oil separator's oil export links to each other with working medium oil cooler's oil inlet, and the output of condenser divide into three routes. The cooling oil path system of the mining explosion-proof refrigerating device adopts a small amount of refrigerant to throttle and cool the refrigerating machine oil of the unit, avoids adopting underground water burst cooling, optimizes the system structure, reduces the using amount of underground water burst, avoids the risks of corrosion and blockage of a heat exchanger, and avoids high pressure bearing of water side cooling.
Description
Technical Field
The utility model relates to a refrigeration plant technical field of lower centralized cooling specifically is a mining explosion-proof refrigerating plant's cooling oil piping system.
Background
Due to the influence of terrestrial heat, the temperature of the mine is higher and higher along with the increase of the mining depth of the mine, the temperature of a plurality of mines below 500m is as high as more than 40 ℃, and the regulation of mine safety regulations in China is as follows: "the air temperature at the working site of the downhole worker must not be higher than 28 ℃. According to practical experience, when the temperature of a mine cannot be reduced to below 28 ℃ by adopting heat source isolation and ventilation enhancement measures, an artificial refrigeration mode is required for cooling. At present, the artificial refrigeration cooling measures for mines mainly comprise an underground local cooling system, a ground ice making system, a ground cold water system and the like.
In a refrigeration equipment system for underground centralized cooling, the design pressure of a waterway cooling system is more than or equal to 12MPa, high pressure-bearing design is required to be carried out so as to meet the static pressure of conveying ground cooling water to the underground with the depth of 1000m, and meanwhile, a waterway is easy to scale and the like and needs to be cleaned regularly so as to prevent blockage and the like
Therefore, the cooling oil circuit system of the mine explosion-proof refrigeration device is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a mining explosion-proof refrigerating plant's cooling oil piping system to solve the problem in the above-mentioned background art.
In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a mining explosion-proof refrigerating plant's cooling oil piping system, includes refrigeration compressor, oil separator, working medium oil cooler, condenser, oil cooler choke valve, economizer choke valve, evaporimeter, refrigeration compressor's induction port passes through the compressor pipeline of breathing in and links to each other with the steam output of evaporimeter, the gas vent of oil separator passes through the oil separator exhaust pipe and links to each other with the input of condenser, the oil export of oil separator links to each other with the oil inlet of working medium oil cooler, the output of condenser divide into three routes: the first path is directly connected with a high-pressure liquid inlet of the economizer through an economizer liquid supply pipeline, the second path is connected with a low-pressure liquid inlet of the economizer through the economizer liquid supply pipeline and an economizer throttling valve, the third path is connected with a steam inlet of the working medium oil cooler through the economizer liquid supply pipeline and the oil cooler throttling valve, and a high-pressure liquid outlet of the economizer is connected with a liquid input end of the evaporator through an evaporator liquid supply pipeline and the evaporator throttling valve.
Preferably, the working medium oil cooler supplies liquid from a liquid outlet of the condenser and performs throttling evaporation through a throttling valve of the oil cooler.
Preferably, the working medium oil cooler is communicated with an air supplement port of the refrigeration compressor and used for conveying the steam working medium evaporated by the working medium oil cooler to the air supplement port of the refrigeration compressor.
Preferably, the working medium oil cooler is communicated with the oil separator, cools the high-temperature lubricating oil from the oil separator, and conveys the high-temperature lubricating oil to the refrigeration compressor for lubrication, sealing and cooling.
By adopting the technical scheme, the method has the following beneficial effects:
the refrigerating machine oil of the throttling cooling unit is throttled by a small amount of refrigerant, so that underground water burst cooling is avoided, the system structure is optimized, the using amount of underground water burst is reduced, the risks of corrosion and blockage of a heat exchanger are avoided, and high pressure bearing of water side cooling is avoided;
the working medium oil cooler adopts the refrigerant cooling lubricating oil, does not need cooling water to cool, avoids the high pressure-bearing design of water side cooling, reduces the use amount of gushing water in the pit simultaneously.
The working medium oil cooler does not need cooling water for cooling, and corrosion, blockage, scaling and the like of a water side cooling heat exchange pipe are avoided.
Drawings
Fig. 1 is a structural diagram of a cooling oil circuit system of a mining explosion-proof refrigerating device provided by the utility model.
In the figure, 1, a refrigeration compressor; 2. an oil separator; 3. a working medium oil cooler; 4. a condenser; 5. an oil cooler throttle valve; 6. an economizer; 7. an economizer throttle valve; 8. an evaporator throttle valve; 9. an evaporator.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In view of this, the utility model provides a cooling oil piping system of mining explosion-proof refrigerating plant, please refer to fig. 1, for the utility model provides a specific embodiment of cooling oil piping system of mining explosion-proof refrigerating plant.
The utility model provides a mining explosion-proof refrigerating plant's cooling oil piping system, includes refrigeration compressor 1, oil separator 2, working medium oil cooler 3, condenser 4, oil cooler choke valve 5, economizer 6, economizer choke valve 7, evaporimeter choke valve 8, evaporimeter 9, refrigeration compressor 1's induction port passes through the compressor and breathes in the pipeline and links to each other with the steam output of evaporimeter 9, oil separator 2's gas vent passes through oil separator exhaust pipe and links to each other with the input of condenser 4, oil separator 2's oil outlet links to each other with working medium oil cooler 3's oil inlet, condenser 4's output divide into three routes: the first path is directly connected with a high-pressure liquid inlet of the economizer 6 through a liquid supply pipeline of the economizer 6, the second path is connected with a low-pressure liquid inlet of the economizer 6 through the liquid supply pipeline of the economizer 6 and an economizer throttling valve 7, the third path is connected with a steam inlet of the working medium oil cooler 3 through the liquid supply pipeline of the economizer 6 and an oil cooler throttling valve 5, and a high-pressure liquid outlet of the economizer 6 is connected with a liquid input end of the evaporator 9 through a liquid supply pipeline of the evaporator 9 and an evaporator throttling valve 8.
Further, the working medium oil cooler 3 supplies liquid from a liquid outlet of the condenser 4 and then performs throttling evaporation through the oil cooler throttle valve 5.
Further, the working medium oil cooler 3 is communicated with an air supplement port of the refrigeration compressor 1 and used for conveying the steam working medium evaporated by the working medium oil cooler 3 to the air supplement port of the refrigeration compressor 1.
Further, the working medium oil cooler 3 is communicated with the oil separator 2, cools the high-temperature lubricating oil from the oil separator 2, and then conveys the high-temperature lubricating oil to the refrigeration compressor 1 for lubrication, sealing and cooling.
The working medium oil cooler 3 is arranged, a liquid supply pipeline and an oil cooler throttling valve 5 are connected with a steam inlet of the working medium oil cooler 3 through the economizer 6, heat of lubricating oil is absorbed in the working medium oil cooler 3 for evaporation, and evaporated refrigerant steam is also conveyed to an air supplementing port of the compressor 1.
Furthermore, the working medium oil cooler 3 adopts a refrigerant to cool lubricating oil, does not need cooling water to cool, avoids the high pressure-bearing design of water side cooling, and reduces the usage amount of downhole gushing water.
Furthermore, the working medium oil cooler 3 adopts a refrigerant to cool lubricating oil, cooling water is not needed for cooling, and corrosion, blockage, scaling and the like of a water side cooling heat exchange pipe are avoided.
In the whole system, a small amount of refrigerant is adopted to throttle and cool the refrigerating machine oil of the unit, so that underground water burst cooling is avoided, the system structure is optimized, the underground water burst consumption is reduced, the risks of corrosion and blockage of a heat exchanger are avoided, and high pressure bearing of water side cooling is avoided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides a mining explosion-proof refrigerating plant's cooling oil piping system which characterized in that: including refrigeration compressor (1), oil separator (2), working medium oil cooler (3), condenser (4), oil cooler choke valve (5), economic ware (6), economic ware choke valve (7), evaporimeter choke valve (8), evaporimeter (9), the induction port of refrigeration compressor (1) links to each other through the steam output end of compressor suction line with evaporimeter (9), the gas vent of oil separator (2) passes through the input of oil separator exhaust pipe with condenser (4) and links to each other, the oil export of oil separator (2) links to each other with the oil inlet of working medium oil cooler (3), the output of condenser (4) divide into three routes: the first path is directly connected with a high-pressure liquid inlet of the economizer (6) through an economizer (6) liquid supply pipeline, the second path is connected with a low-pressure liquid inlet of the economizer (6) through the economizer (6) liquid supply pipeline and an economizer throttling valve (7), the third path is connected with a steam inlet of a working medium oil cooler (3) through the economizer (6) liquid supply pipeline and an oil cooler throttling valve (5), and a high-pressure liquid outlet of the economizer (6) is connected with a liquid input end of an evaporator (9) through an evaporator (9) liquid supply pipeline and an evaporator throttling valve (8).
2. The cooling oil path system of the mining explosion-proof refrigerating device according to claim 1, characterized in that: the working medium oil cooler (3) supplies liquid from a liquid outlet of the condenser (4) and then performs throttling evaporation through the oil cooler throttle valve (5).
3. The cooling oil path system of the mining explosion-proof refrigerating device according to claim 1, characterized in that: the working medium oil cooler (3) is communicated with the air supplement port of the refrigeration compressor (1) and is used for conveying the steam working medium evaporated by the working medium oil cooler (3) to the air supplement port of the refrigeration compressor (1).
4. The cooling oil path system of the mining explosion-proof refrigerating device according to claim 1, characterized in that: the working medium oil cooler (3) is communicated with the oil separator (2), cools the high-temperature lubricating oil from the oil separator (2), and then conveys the high-temperature lubricating oil to the refrigeration compressor (1) for lubrication, sealing and cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189228.1U CN215057529U (en) | 2021-05-31 | 2021-05-31 | Cooling oil circuit system of mining explosion-proof refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189228.1U CN215057529U (en) | 2021-05-31 | 2021-05-31 | Cooling oil circuit system of mining explosion-proof refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057529U true CN215057529U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121189228.1U Active CN215057529U (en) | 2021-05-31 | 2021-05-31 | Cooling oil circuit system of mining explosion-proof refrigerating device |
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| CN (1) | CN215057529U (en) |
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2021
- 2021-05-31 CN CN202121189228.1U patent/CN215057529U/en active Active
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