CN220552331U - Heat pipe switch type hot water heating device for air inlet wellhead of mine ventilation system - Google Patents
Heat pipe switch type hot water heating device for air inlet wellhead of mine ventilation system Download PDFInfo
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- CN220552331U CN220552331U CN202322213707.8U CN202322213707U CN220552331U CN 220552331 U CN220552331 U CN 220552331U CN 202322213707 U CN202322213707 U CN 202322213707U CN 220552331 U CN220552331 U CN 220552331U
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- hot water
- heat
- antifreeze
- heat pipe
- air inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000010438 heat treatment Methods 0.000 title claims abstract description 47
- 238000009423 ventilation Methods 0.000 title claims abstract description 20
- 230000002528 anti-freeze Effects 0.000 claims description 68
- 238000004321 preservation Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000007710 freezing Methods 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 208000001034 Frostbite Diseases 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model belongs to the technical field of mine ventilation and heat exchange, and particularly relates to an air inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system. When the utility model is used, by arranging the heat pipe isothermal heat exchanger, the hot water circulating assembly and the antifreezing fluid circulating assembly, freezing and frostbite can not be caused when hot water is adopted to supply heat to the air inlet well in winter, and continuous and safe operation of the mine ventilation system in winter is ensured.
Description
Technical Field
The utility model belongs to the technical field of mine ventilation and heat exchange, and particularly relates to an air inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system.
Background
Ventilation is required continuously in the underground mine production process, and related safety regulations prescribe that the temperature of the air inlet of the mine must not be lower than 2 ℃ in winter, so that the cold air entering the air inlet well is required to be heated in normal production operation of the mine in winter. The most common mode of central heating in mines in winter is to use a boiler to supply hot water or to introduce hot water generated by a nearby power plant or chemical plant production process. When the hot water is adopted for heating and anti-freezing in winter, an air heating unit is required to be installed near the air inlet well, and after hot water enters the air heating unit through a circulating pipeline, heat exchange is carried out on the surface of a radiator with cold air, so that the aim of heating the cold air to more than 2 ℃ and achieving the anti-freezing aim of the air inlet well is achieved.
Because mine ventilation is a continuous uninterrupted process, in cold winter, dry and cold air needs to be continuously subjected to heat exchange through the radiator of the air heating unit, so that the continuous circulating flow of hot water in the circulating pipeline needs to be ensured. When the hot water circulation is stopped due to the fault state, hot water in the radiator of the air heating unit does not flow any more, and at the moment, cold air is required to continuously flow through the radiator and the outdoor air temperature is low in winter, so that the temperature of the hot water in the radiator is quickly reduced and frozen. Because the density reduces volume expansion after water freezes to can cause air heating unit radiator copper pipe inflation fracture, cause this air heating unit to leak because of the fracture and can't heat for the air inlet well any longer, if all air heating unit can cause the mine air inlet well can't heat supply to prevent frostbite because of freezing damage, can cause the frozen ice of air inlet pit shaft when serious, cause mine ventilation potential safety hazard.
Disclosure of Invention
The utility model aims to provide an air inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system, so as to solve the problems, ensure that freezing and frostbite are not caused when hot water is adopted to supply heat to an air inlet well in winter, and ensure continuous and safe operation of the mine ventilation system in winter.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a mine ventilation system air inlet wellhead heat pipe switch type hot water heating device, includes heat pipe isothermal heat exchanger, heat pipe isothermal heat exchanger's inside is provided with heat preservation subassembly, upper chamber and lower chamber have been seted up to heat pipe isothermal heat exchanger's inside, heat preservation subassembly runs through the upper chamber with the lower chamber, the upper chamber with seal arrangement between the lower chamber, the lower chamber intercommunication has hot water circulation subassembly, hot water circulation subassembly intercommunication has the heat supply source, the upper chamber intercommunication has antifreeze circulation subassembly, antifreeze circulation subassembly intercommunication has antifreeze air heating unit, antifreeze air heating unit fixed connection is at the air inlet well head.
Preferably, the heat preservation subassembly includes a plurality of heat pipes, a plurality of the heat pipe is followed heat pipe isothermal heat exchanger circumference equidistant setting, the heat pipe is followed heat pipe isothermal heat exchanger's length direction sets up, go up the chamber with fixedly connected with closing plate between the chamber down, a plurality of the heat pipe with closing plate fixed connection, the top of heat pipe is passed the closing plate stretches into go up the chamber, the bottom of heat pipe is passed the closing plate stretches into down the chamber.
Preferably, the heat pipe comprises a shell, the shell is arranged in a sealing way, and working medium is arranged in the shell.
Preferably, the hot water circulation assembly comprises a hot water circulation pump communicated with a heat supply source, a hot water circulation pipeline is communicated with a water outlet of the hot water circulation pump, and the hot water circulation pipeline is communicated with the lower cavity and the heat supply source.
Preferably, the antifreeze circulating assembly comprises an antifreeze circulating pump communicated with the antifreeze air heating unit, an antifreeze circulating pipeline is communicated with the water outlet of the antifreeze circulating pump, and the antifreeze circulating pipeline is communicated with the upper cavity and the antifreeze air heating unit.
Preferably, the antifreeze circulating pump is a closed pressure operation water pump.
Compared with the prior art, the utility model has the following advantages and technical effects:
by arranging the heat pipe isothermal heat exchanger, the upper cavity and the lower cavity of the heat pipe isothermal heat exchanger are arranged in a sealing way, the lower cavity is communicated with a hot water circulation assembly, the upper cavity is communicated with an antifreeze circulation assembly, the antifreeze circulation assembly is communicated with an antifreeze air heating unit, and the heat preservation assembly penetrates through the upper cavity and the lower cavity of the heat pipe isothermal heat exchanger;
when the hot water circulation assembly stops in a fault state, hot water in the lower cavity of the heat pipe isothermal heat exchanger does not flow any more, antifreeze in the antifreeze circulation assembly continuously flows through the upper cavity of the heat pipe isothermal heat exchanger, the temperature of the hot water in the lower cavity of the heat pipe isothermal heat exchanger can be quickly reduced, and the heat pipe isothermal heat exchanger is provided with the heat preservation assembly, so that the hot water in the lower cavity of the heat pipe isothermal heat exchanger cannot be frozen; the antifreeze is added into the antifreeze circulation assembly, so that freezing and frost cracking in the antifreeze air heating unit can not be caused.
The utility model can ensure that the hot water heating system can not generate accidents of equipment damage and incapability of heating caused by frozen ice, and has simple and reliable system operation, high degree of automation and obvious safety and economic benefit.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an internal structural diagram of a heat pipe isothermal heat exchanger;
fig. 3 is a schematic structural diagram of a heat pipe.
Wherein, 1, a heat supply source; 2. a hot water circulation pump; 3. a hot water circulation pipe; 4. a heat pipe isothermal heat exchanger; 5. an antifreeze fluid circulation pipe; 6. an antifreeze fluid circulating pump; 7. an antifreeze fluid air heating unit; 8. a sealing plate; 9. a heat pipe; 901. a housing; 902. working medium.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the utility model provides an air inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system, which comprises a heat pipe isothermal heat exchanger 4, wherein a heat preservation component is arranged in the heat pipe isothermal heat exchanger 4, an upper cavity and a lower cavity are formed in the heat pipe isothermal heat exchanger 4, the heat preservation component penetrates through the upper cavity and the lower cavity, the upper cavity and the lower cavity are arranged in a sealing manner, the lower cavity is communicated with a hot water circulation component, the hot water circulation component is communicated with a heat supply source 1, the upper cavity is communicated with an antifreeze circulation component, the antifreeze circulation component is communicated with an antifreeze air heating unit 7, and the antifreeze air heating unit 7 is fixedly connected with an air inlet wellhead.
By arranging the heat pipe isothermal heat exchanger 4, the upper cavity and the lower cavity of the heat pipe isothermal heat exchanger 4 are arranged in a sealing way, the lower cavity is communicated with a hot water circulation assembly, the upper cavity is communicated with an antifreeze circulation assembly, the antifreeze circulation assembly is communicated with an antifreeze air heating unit 7, and the heat preservation assembly penetrates through the upper cavity and the lower cavity of the heat pipe isothermal heat exchanger 4;
when the circulation of the hot water circulation assembly is stopped due to the fault state, hot water in the lower cavity of the heat pipe isothermal heat exchanger 4 does not flow, the antifreeze in the antifreeze circulation assembly still flows through the upper cavity of the heat pipe isothermal heat exchanger 4, the temperature of the hot water in the lower cavity of the heat pipe isothermal heat exchanger 4 can be quickly reduced, and the heat preservation assembly is arranged on the heat pipe isothermal heat exchanger 4, so that the hot water in the lower cavity of the heat pipe isothermal heat exchanger 4 cannot be frozen; since the antifreeze is added into the antifreeze circulation assembly, the freezing and frost cracking of the inside of the antifreeze air heating unit 7 can not be caused.
Further optimizing scheme, heat preservation subassembly includes a plurality of heat pipes 9, and a plurality of heat pipes 9 set up along heat pipe isothermal heat exchanger 4 circumference equidistant, and heat pipe 9 set up along heat pipe isothermal heat exchanger 4's length direction, fixedly connected with closing plate 8 between upper chamber and the lower chamber, a plurality of heat pipes 9 and closing plate 8 fixed connection, and the top of heat pipe 9 passes closing plate 8 and stretches into the upper chamber, and the bottom of heat pipe 9 passes closing plate 8 and stretches into the lower chamber.
In a further optimized scheme, the heat pipe 9 comprises a shell 901, the shell 901 is arranged in a sealing mode, and a working medium 902 is arranged in the shell 901.
The working medium 902 is preferably a working medium with thermal switching performance, and the working medium 902 is preferably a solution formed by mixing different liquids of R22 and R410A, so that the working medium cannot be gasified when the temperature of hot water in a lower cavity is lower than 20 ℃.
According to a further optimization scheme, the hot water circulation assembly comprises a hot water circulation pump 2 communicated with the heat supply source 1, a hot water circulation pipeline 3 is communicated with a water outlet of the hot water circulation pump 2, and the hot water circulation pipeline 3 is communicated with the lower cavity and the heat supply source 1.
Further optimizing scheme, the antifreeze circulating assembly includes antifreeze circulating pump 6 with antifreeze air heating unit 7 intercommunication, and the delivery port intercommunication of antifreeze circulating pump 6 has antifreeze circulation pipeline 5, and antifreeze circulation pipeline 5 communicates with upper chamber, antifreeze air heating unit 7.
The antifreeze air heating unit 7 is fixedly connected to an air inlet wellhead, antifreeze flows in the antifreeze air heating unit 7, and cold air flows outside and enters the air inlet well.
The heat supply source 1 may be boiler heat supply water or heat supply water generated by a production process of a nearby power plant or chemical plant, and the utility model is preferably boiler heat supply water.
In a further optimized scheme, the antifreeze circulating pump 6 is a closed pressure operation water pump.
The antifreeze circulating pump 6 is a closed pressure operation water pump, and can drive antifreeze to flow in the antifreeze circulating pipeline 5.
The working procedure of this embodiment is as follows:
the heat supply source 1 continuously generates hot water, and the temperature range of the hot water is 50-90 ℃; the hot water circulating pump 2 drives hot water to circulate in the hot water circulating pipeline 3, and the lower cavity of the isothermal heat exchanger 4 of the heat pipe; the antifreeze circulating pump 6 drives antifreeze to circulate in the antifreeze circulating pipeline 5 and the radiator of the antifreeze air heating unit 7, wherein the upper cavity is formed by the heat pipe isothermal heat exchanger 4.
When the hot water circulation pipeline 3 fails to stop circulating hot water, and the temperature of the hot water in the lower cavity of the isothermal heat exchanger 4 of the heat pipe is reduced to 20 ℃, the working medium 902 in the heat pipe 9 is not gasified any more, and the hot water is not frozen to cause the frost damage of the isothermal heat exchanger 4 of the heat pipe; the antifreeze in the antifreeze air heating unit 7 can not radiate heat to heat air, but the antifreeze air heating unit 7 is not frozen and cracked and damaged.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. The utility model provides a mine ventilation system air inlet wellhead heat pipe switch type hot water heating device, its characterized in that, including heat pipe isothermal heat exchanger (4), the inside of heat pipe isothermal heat exchanger (4) is provided with heat preservation subassembly, upper chamber and lower chamber have been seted up to the inside of heat pipe isothermal heat exchanger (4), heat preservation subassembly runs through the upper chamber with the lower chamber, the upper chamber with seal arrangement between the lower chamber, the lower chamber intercommunication has hot water circulation subassembly, hot water circulation subassembly intercommunication has heat supply source (1), the upper chamber intercommunication has antifreeze circulation subassembly, antifreeze circulation subassembly intercommunication has antifreeze air heating unit (7), antifreeze air heating unit (7) fixed connection is at the air inlet well head.
2. The heat pipe switch type hot water heating device for an air inlet wellhead of a mine ventilation system according to claim 1, wherein the heat preservation component comprises a plurality of heat pipes (9), the plurality of heat pipes (9) are circumferentially arranged at equal intervals along the isothermal heat exchanger (4) of the heat pipes, the heat pipes (9) are arranged along the length direction of the isothermal heat exchanger (4) of the heat pipes, a sealing plate (8) is fixedly connected between the upper cavity and the lower cavity, the plurality of heat pipes (9) are fixedly connected with the sealing plate (8), the top ends of the heat pipes (9) penetrate through the sealing plate (8) to stretch into the upper cavity, and the bottom ends of the heat pipes (9) penetrate through the sealing plate (8) to stretch into the lower cavity.
3. An air inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system according to claim 1, wherein the heat pipe (9) comprises a shell (901), the shell (901) is arranged in a sealing way, and a working medium (902) is arranged in the shell (901).
4. An inlet wellhead heat pipe switch type hot water heating device of a mine ventilation system according to claim 1, characterized in that the hot water circulation assembly comprises a hot water circulation pump (2) communicated with a heat supply source (1), a water outlet of the hot water circulation pump (2) is communicated with a hot water circulation pipeline (3), and the hot water circulation pipeline (3) is communicated with the lower cavity and the heat supply source (1).
5. The heat pipe switch type hot water heating device for the air inlet well head of the mine ventilation system according to claim 1, wherein the antifreeze circulating assembly comprises an antifreeze circulating pump (6) communicated with an antifreeze air heating unit (7), an antifreeze circulating pipeline (5) is communicated with a water outlet of the antifreeze circulating pump (6), and the antifreeze circulating pipeline (5) is communicated with the upper cavity and the antifreeze air heating unit (7).
6. The heat pipe switching type hot water heating device for the air inlet wellhead of the mine ventilation system according to claim 5, wherein the antifreeze circulating pump (6) is a closed pressure operation water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213707.8U CN220552331U (en) | 2023-08-17 | 2023-08-17 | Heat pipe switch type hot water heating device for air inlet wellhead of mine ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213707.8U CN220552331U (en) | 2023-08-17 | 2023-08-17 | Heat pipe switch type hot water heating device for air inlet wellhead of mine ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552331U true CN220552331U (en) | 2024-03-01 |
Family
ID=90003816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322213707.8U Active CN220552331U (en) | 2023-08-17 | 2023-08-17 | Heat pipe switch type hot water heating device for air inlet wellhead of mine ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552331U (en) |
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2023
- 2023-08-17 CN CN202322213707.8U patent/CN220552331U/en active Active
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