CN218972933U - Mine ventilation air methane waste heat recovery system - Google Patents
Mine ventilation air methane waste heat recovery system Download PDFInfo
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- CN218972933U CN218972933U CN202223470968.XU CN202223470968U CN218972933U CN 218972933 U CN218972933 U CN 218972933U CN 202223470968 U CN202223470968 U CN 202223470968U CN 218972933 U CN218972933 U CN 218972933U
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Abstract
The utility model discloses a mine ventilation air methane waste heat recovery system, which comprises an outdoor system and an indoor system which are mutually communicated, wherein the outdoor system comprises a plurality of mine ventilation air methane induced air pipelines, the mine ventilation air methane induced air pipelines are connected with refrigerant heat exchangers, the refrigerant heat exchangers are respectively connected with a compressor and an expansion valve, the refrigerant heat exchangers are connected with a hot water exchanger through the compressor and the expansion valve, the hot water exchanger is connected with a water pump, the hot water exchanger is connected with a hot water storage device through the water pump, and the indoor system comprises a plurality of water devices respectively connected with the hot water storage device. The refrigerant heat exchangers are arranged in a shaft of a return air shaft of the ventilation air methane induced duct of the mine, and the number of the refrigerant heat exchangers is 8. The capacity of the hot water storage device is 30T, the hot water storage device is further provided with a 200kw electric heating device, and a solar heat energy recovery pipeline interface is reserved in the hot water storage device. The utility model has good heat dissipation effect, adopts fanless heat dissipation and has strong practicability.
Description
Technical Field
The utility model relates to the technical field of energy recycling, in particular to a mine ventilation air methane waste heat recycling system.
Background
The ventilation air methane with a large amount of heat energy is normally not utilized by the main mine ventilator, and is directly discharged into the air, so that the environment pollution and the greenhouse effect are caused. During the production process of coal mine, a large amount of waste heat resources are accompanied, the underground ventilation, drainage, air compression, wellhead antifreezing hot air, equipment heat emission, geothermal heat and the like are carried out, the temperature is generally in the range of 10.0-30.0 ℃ when the equipment heat emission is carried out from an air return well, the grade is lower due to the influence of mineral dust, and the building heating and wellhead antifreezing heat temperature is generally not lower than 45.0 ℃. Most of the residual and waste heat resources of the mine cannot be directly utilized and are directly discharged. Waste heat is extracted from a low-grade heat source by using a mine ventilation air source heat pump system, and the temperature is raised to meet the heat supply temperature requirement, so that coal, fuel oil, gas and electric boilers are replaced to meet the requirements of mine heat supply and wellhead freezing prevention. Therefore, a mine ventilation air methane waste heat recovery system is needed.
Disclosure of Invention
The utility model aims to provide a mine ventilation air methane waste heat recovery system, which is characterized in that a refrigerant heat exchanger is arranged in a shaft of a return air well of a mine ventilation air methane pipeline, heat carried out by air in the mine ventilation air methane pipeline is subjected to temperature replacement and collection through the refrigerant heat exchanger, heat is collected through a hot water exchanger, water in the hot water exchanger is heated, water exchanged by the hot water exchanger is stored in a hot water storage device through a water pump, and then the water is applied to indoor water using equipment. The utility model has simple and efficient structural design and strong practicability.
The utility model is realized in the following way:
the outdoor system comprises a plurality of mine ventilation air methane induced air pipelines, a plurality of mine ventilation air methane induced air pipelines are connected with refrigerant heat exchangers, the refrigerant heat exchangers are respectively connected with compressors and expansion valves, the refrigerant heat exchangers are connected with hot water exchangers through the compressors and the expansion valves, the hot water exchangers are connected with water pumps, the hot water exchangers are connected with hot water storage devices through the water pumps, and the indoor system comprises a plurality of water devices respectively connected with the hot water storage devices.
Further, the refrigerant heat exchangers are arranged in a return air shaft of the ventilation air methane induced duct of the mine, and the number of the refrigerant heat exchangers is 8.
Further, the capacity of the hot water storage device is 30T, the hot water storage device is further provided with a 200kw electric heating device, and a solar heat energy recovery pipeline interface is reserved in the hot water storage device.
Further, the refrigerant heat exchanger, the compressor, the expansion valve, the hot water exchanger, the water pump and the hot water storage device are connected with a PLC controller.
Compared with the prior art, the utility model has the beneficial effects that: a refrigerant heat exchanger is arranged in a shaft of a return air shaft of a ventilation air methane induced duct of a mine, heat carried out by air in the ventilation air methane induced duct of the mine is subjected to temperature replacement and collection through the refrigerant heat exchanger, heat is collected through a hot water exchanger, water in the hot water exchanger is heated, and water exchanged by the hot water exchanger is stored in a hot water storage device through a water pump and then is applied to indoor water equipment. The utility model has simple and efficient structural design and strong practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the system of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1, a mine ventilation air methane waste heat recovery system comprises an outdoor system and an indoor system which are mutually communicated, wherein the outdoor system comprises a plurality of mine ventilation air methane pipelines, a plurality of mine ventilation air methane pipelines are connected with refrigerant heat exchangers, the refrigerant heat exchangers are respectively connected with a compressor and an expansion valve, the refrigerant heat exchangers are connected with a hot water exchanger through the compressor and the expansion valve, the hot water exchanger is connected with a water pump, the hot water exchanger is connected with a hot water storage device through the water pump, and the indoor system comprises a plurality of water devices respectively connected with the hot water storage device.
In this embodiment, the refrigerant heat exchangers are arranged in a shaft of a return air shaft of a ventilation air methane induced duct of the mine, and the number of the refrigerant heat exchangers is 8.
In this embodiment, the capacity of the hot water storage device is 30T, and the hot water storage device is further provided with a 200kw electric heating device, and a solar heat energy recovery pipeline interface is further reserved in the hot water storage device.
In this embodiment, the refrigerant heat exchanger, the compressor, the expansion valve, the hot water exchanger, the water pump and the hot water storage device are connected with a PLC controller.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides a mine ventilation air methane waste heat recovery system which characterized in that: the outdoor system comprises a plurality of mine ventilation air methane induced air pipelines, a plurality of mine ventilation air methane induced air methane pipelines are connected with refrigerant heat exchangers, the refrigerant heat exchangers are respectively connected with compressors and expansion valves, the refrigerant heat exchangers are connected with hot water exchangers through the compressors and the expansion valves, the hot water exchangers are connected with water pumps, the hot water exchangers are connected with hot water storage devices through the water pumps, and the indoor system comprises a plurality of water devices which are respectively connected with the hot water storage devices.
2. The mine ventilation air methane waste heat recovery system according to claim 1, wherein the refrigerant heat exchangers are arranged in a return shaft of a mine ventilation air methane pipeline, and the number of the refrigerant heat exchangers is 8.
3. The mine ventilation air methane waste heat recovery system according to claim 1, wherein the capacity of the hot water storage device is 30T, the hot water storage device is further provided with a 200kw electric heating device, and a solar heat recovery pipeline interface is reserved in the hot water storage device.
4. The mine ventilation air methane waste heat recovery system according to claim 1, wherein the refrigerant heat exchanger, the compressor, the expansion valve, the hot water exchanger, the water pump and the hot water storage device are connected with a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223470968.XU CN218972933U (en) | 2022-12-26 | 2022-12-26 | Mine ventilation air methane waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223470968.XU CN218972933U (en) | 2022-12-26 | 2022-12-26 | Mine ventilation air methane waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218972933U true CN218972933U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223470968.XU Active CN218972933U (en) | 2022-12-26 | 2022-12-26 | Mine ventilation air methane waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218972933U (en) |
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2022
- 2022-12-26 CN CN202223470968.XU patent/CN218972933U/en active Active
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