CN210317394U - Shaft anti-freezing system based on waste heat water utilization - Google Patents
Shaft anti-freezing system based on waste heat water utilization Download PDFInfo
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- CN210317394U CN210317394U CN201921236662.3U CN201921236662U CN210317394U CN 210317394 U CN210317394 U CN 210317394U CN 201921236662 U CN201921236662 U CN 201921236662U CN 210317394 U CN210317394 U CN 210317394U
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Abstract
The utility model relates to a mine pit shaft technical field that prevents frostbite discloses a pit shaft system of preventing frostbite based on waste heat water utilization, include: the waste heat water system comprises a heat exchanger, and mine water or building heating secondary net backwater can flow into the heat exchanger; the shaft fresh air heating system comprises an air heater and a fan, heating water is introduced into the air heater, the air heater is used for heating shaft fresh air, and the fan is used for conveying the heated shaft fresh air to a shaft; the heating water can exchange heat with mine water or building heating secondary net return water through the heat exchanger, and is heated by the mine water or building heating secondary net return water. Through the structure, the utility model provides a pit shaft anti-freezing system based on surplus hot water utilization utilizes pit water or building heating secondary network return water to heat the pit shaft new trend, has not only avoided the emission of pollutant, has the environmental protection advantage that is showing, and the resource consumption is few moreover, and the working costs is low, and economic benefits is showing.
Description
Technical Field
The utility model relates to a mine pit shaft technical field that prevents frostbite especially relates to a pit shaft system of preventing frostbite based on surplus hot water utilization.
Background
In a mine production system, cold air on the ground in winter enters a shaft and then encounters water and humid air of the shaft, so that the air is easy to freeze on the shaft wall, an irrigation channel beam and the like. The ice slag can block partial cross section of the shaft, influence the normal operation of the mine production equipment, seriously cause serious accidents such as tank blockage, mine production stop and the like, and the ice slag on the shaft wall is easy to vibrate or collide and fall off, thereby bringing potential safety hazards to underground personnel.
In order to prevent the shaft from freezing, a method of heating fresh air of the shaft by using a boiler or an air electric heating unit is commonly adopted at present. However, the problems of low thermal efficiency, resource waste, high operating cost, high nitrogen oxide emission and the like exist in the process of heating by using the boiler, and the boiler heating is no longer suitable for heating fresh air in a shaft. The air electric heating unit has the problems of high operating cost and large restriction on power transmission equipment and power consumption capacity due to high power consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pit shaft anti-freezing system based on waste heat water utilization to solve the thermal efficiency that current pit shaft anti-freezing system exists low, the wasting of resources, the problem that the working costs is high.
To achieve the purpose, the utility model adopts the following technical proposal:
a wellbore freeze protection system based on waste heat water utilization, comprising:
the waste heat water system comprises a heat exchanger, and mine water or building heating secondary network backwater can flow into the heat exchanger;
the shaft fresh air heating system comprises an air heater and a fan, heating water is introduced into the air heater, the air heater is used for heating shaft fresh air, and the fan is used for conveying the heated shaft fresh air to a shaft;
the heating water can exchange heat with the mine water or the building heating secondary net backwater through the heat exchanger and is heated by the mine water or the building heating secondary net backwater.
Preferably, the system further comprises a water source heat pump system, wherein the water source heat pump system comprises an evaporator and a condenser, a water inlet of the evaporator is communicated with a first water outlet of the heat exchanger, a water outlet of the evaporator is communicated with a first water inlet of the heat exchanger, and heat source water flowing between the evaporator and the heat exchanger exchanges heat with the mine water or the building heating secondary network backwater through the heat exchanger and is heated;
the water outlet of the condenser is communicated with the water inlet of the air heater, the water inlet of the condenser is communicated with the water outlet of the air heater, and the condenser is used for heating the heating water.
Preferably, the shaft fresh air heating system further comprises a heating water supply pipeline and a heating water return pipeline, and two ends of the heating water supply pipeline are respectively communicated with the water outlet of the condenser and the water inlet of the air heater; and two ends of the heating water return pipeline are respectively communicated with a water inlet of the condenser and a water outlet of the air heater.
Preferably, a water inlet of the air heater is communicated with a first water outlet of the heat exchanger, a water outlet of the air heater is communicated with a first water inlet of the heat exchanger, and the heat exchanger directly utilizes the mine water or the building heating secondary net backwater to heat the heating water.
Preferably, the shaft fresh air heating system further comprises a heating water supply pipeline and a heating water return pipeline, and two ends of the heating water supply pipeline are respectively communicated with the first water outlet of the heat exchanger and the water inlet of the air heater; and two ends of the heating water return pipeline are respectively communicated with a first water inlet of the heat exchanger and a water outlet of the air heater.
Preferably, the waste heat water system comprises a water supply pipeline and a water return pipeline, the water supply pipeline is communicated with a second water inlet of the heat exchanger, the water supply pipeline is used for introducing mine water or building heating secondary network backwater, the water return pipeline is communicated with a second water outlet of the heat exchanger, and the water return pipeline is used for discharging the mine water or the building heating secondary network backwater.
Preferably, the water supply pipeline comprises a first water supply pipeline and a second water supply pipeline which are both communicated with the first water inlet of the heat exchanger, and the water return pipeline comprises a first water return pipeline and a second water return pipeline which are both communicated with the first water outlet of the heat exchanger;
the first water supply pipeline is used for conveying mine water to the heat exchanger, the first water return pipeline is used for discharging mine water, the second water supply pipeline is used for conveying building heating secondary network return water to the heat exchanger, and the second water return pipeline is used for discharging building heating secondary network return water.
Preferably, a first water supply gate valve is arranged on the first water supply pipeline, a second water supply gate valve is arranged on the second water supply pipeline, a first return water gate valve is arranged on the first return water pipeline, and a second return water gate valve is arranged on the second return water pipeline.
Preferably, a heat source water constant-pressure water replenishing device is arranged in the water source heat pump system; and a heating water constant-pressure water supplementing device is arranged in the shaft fresh air heating system.
Preferably, the shaft fresh air heating system further comprises an air inlet wellhead room, and the air inlet wellhead room is used for introducing shaft fresh air and preserving heat of the heated shaft fresh air.
The utility model has the advantages that:
the utility model provides a system prevents frostbite based on waste heat water utilization through setting up waste heat water system and pit shaft new trend system, makes to add the heat exchanger and carry out the heat transfer with pit water or building heating secondary network return water among the waste heat water system and heaies up, will add hot water again and let in air heater, utilizes air heater to heat the pit shaft new trend, realizes preventing frostbite of mine pit shaft. The utility model provides a pit shaft system of preventing frostbite based on waste heat water utilization adopts mine water or building heating secondary network return water, has not only avoided the emission of pollutant, has the environmental protection advantage that is showing, and it is few to consume the resource moreover, and the working costs is low, and economic benefits is showing.
Drawings
Fig. 1 is a schematic structural diagram of a shaft antifreeze system based on waste heat water utilization according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a shaft antifreeze system based on waste heat water utilization provided by the embodiment of the present invention.
In the figure:
1. a waste heat water system; 11. a heat exchanger; 12. a water supply pipeline; 121. a first water supply pipeline; 1211. a first water supply gate valve; 122. a second water supply pipeline; 1221. a second water supply gate valve; 13. a water return pipe; 131. a first water return pipeline; 1311. a first backwater gate valve; 132. a second water return pipe; 1321. a second backwater gate valve;
2. a shaft fresh air heating system; 21. an air heater; 22. a fan; 23. a hot water supply pipeline; 24. a heated water return pipe; 25. an air intake wellhead house; 251. an air inlet shaft;
3. a water source heat pump system; 31. a water source heat pump; 311. an evaporator; 312. a condenser; 32. a heat source water supply pipeline; 33. and a heat source water return pipeline.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
As shown in fig. 1, the embodiment provides a shaft anti-freezing system based on waste heat water utilization, so as to solve the problems of low thermal efficiency, resource waste and high operating cost of the conventional shaft anti-freezing system. The shaft anti-freezing system based on waste heat water utilization comprises a waste heat water system 1 and a shaft fresh air heating system 2. The mine water or the building heating secondary network backwater is introduced into the residual heat water system 1 and exchanges heat with the heating water in the shaft fresh air heating system 2, so that the heating water in the shaft fresh air heating system 2 is heated, and the shaft fresh air heating system 2 can heat the shaft fresh air through the heated heating water and convey the heated shaft fresh air to the shaft.
Specifically, the waste heat water system 1 includes a heat exchanger 11, a water supply pipeline 12 and a water return pipeline 13, and preferably, the heat exchanger 11 is a plate heat exchanger, which has high heat exchange efficiency and small heat loss. The water supply pipeline 12 is communicated with a first water inlet of the heat exchanger 11, the water supply pipeline 12 is used for introducing mine water or building heating secondary network backwater, the water return pipeline 13 is communicated with a first water outlet of the heat exchanger 11, and the water return pipeline 13 is used for discharging the mine water or the building heating secondary network backwater.
After the mine water or the building heating secondary network backwater is introduced into the heat exchanger 11 through the water supply pipeline 12, the heat exchange is carried out between the heat exchanger 11 and the heating water in the pit shaft fresh air heating system 2, so that the heating water is heated, the mine water or the building heating secondary network backwater cooled after the heat exchange enters the backwater pipeline 13 to be discharged, and the heat in the mine water or the building heating secondary network backwater can be transferred into the heating water through the circulation. And finally discharging the discharged mine water into a mine water treatment station, and finally discharging the discharged building heating secondary network backwater into a coal mine heating station.
Preferably, the water supply pipeline 12 includes a first water supply pipeline 121 and a second water supply pipeline 122 both communicated with a first water inlet of the heat exchanger 11, and the water return pipeline 13 includes a first water return pipeline 131 and a second water return pipeline 132 both communicated with a first water outlet of the heat exchanger 11. In this embodiment, the first water supply pipeline 121 and the second water supply pipeline 122 are communicated with the first water inlet of the heat exchanger 11 after being communicated with the same section of pipeline, and the first water return pipeline 131 and the second water return pipeline 132 are communicated with the first water outlet of the heat exchanger 11 after being communicated with the same section of pipeline. The first water supply pipeline 121 is used for conveying mine water to the heat exchanger 11, the first water return pipeline 131 is used for discharging mine water, the second water supply pipeline 122 is used for conveying building heating secondary network return water to the heat exchanger 11, the second water return pipeline 132 is used for discharging building heating secondary network return water, the waste heat water system 1 separately conveys the mine water and the building heating secondary network return water into and discharges the mine water and the building heating secondary network return water, and the waste heat water system 1 is convenient to switch and convey two kinds of waste heat water. Preferably, a first water supply gate valve 1211 is arranged on the first water supply pipeline 121, a second water supply gate valve 1221 is arranged on the second water supply pipeline 122, a first water return gate valve 1311 is arranged on the first water return pipeline 131, and a second water return gate valve 1321 is arranged on the second water return pipeline 132, so that two kinds of residual heat water can be switched conveniently by the residual heat water system 1, namely mine water and building heating secondary network return water. In this embodiment, the shaft fresh air heating system 2 includes an air heater 21, a fan 22, a heating water supply pipeline 23, a heating water return pipeline 24 and an air inlet wellhead room 25, the air heater 21 and the fan 22 are both located in the air inlet wellhead room 25, and the air inlet wellhead room 25 can be filled with shaft fresh air and can keep warm for the heated shaft fresh air.
Specifically, one end of the heated water supply pipeline 23 is communicated with the second water outlet of the heat exchanger 11, and the other end is communicated with the water inlet of the air heater 21, and is used for introducing heated water, which is subjected to heat exchange and temperature rise by the heat exchanger 11, into the air heater 21; one end of the heating water return pipeline 24 is communicated with a water outlet of the air heater 21, and the other end is communicated with a second water inlet of the heat exchanger 11, and is used for discharging the heating water subjected to heat exchange and temperature reduction by the air heater 21 into the heat exchanger 11.
Preferably, the air heater 21 is an air-water counter-current heater, so that the temperature of the heated fresh air in the shaft at the outlet is higher, and the heating effect is obvious. Heating water in the shaft fresh air heating system 2 is introduced into the air heater 21, the air heater 21 heats shaft fresh air by heating water, and the fan 22 introduces the heated shaft fresh air into the air inlet shaft 251.
The operation process of the shaft antifreeze system based on waste heat water utilization provided by the embodiment is described below.
In the mine water discharge time period, the first water supply gate valve 1211 and the first water return gate valve 1311 are opened, the second water supply gate valve 1221 and the second water return gate valve 1321 are closed, mine water at the temperature of about 20 ℃ enters the heat exchanger 11 through the first water supply pipeline 121 and is used for heating the heated water flowing into the heat exchanger 11 through the heated water return pipeline 24 after being cooled, and the heated water is heated to the temperature of more than 15 ℃. The heating water with the temperature of more than 15 ℃ flows into the air heater 21 through the heating water supply pipeline 23 to heat the fresh air in the shaft, and the fresh air in the shaft is heated to more than 2 ℃ and then flows into the air inlet shaft 251 to heat the air in the shaft, so that the aim of preventing the shaft from freezing is fulfilled.
In the time period when the mine water stops discharging, the second water supply gate valve 1221 and the second water return gate valve 1321 are opened, the first water supply gate valve 1211 and the first water return gate valve 1311 are closed, and the building heating secondary network return water at about 40 ℃ enters the heat exchanger 11 from the second water supply pipeline 122 and is used for heating the cooled heating water flowing into the heat exchanger 11 from the heating water return pipeline 24, and the heating water is heated to about 15 ℃. Heating water at about 15 ℃ flows into the air heater 21 through the heating water supply pipeline 23 to heat fresh air in the shaft, and the fresh air in the shaft is heated to more than 2 ℃ and then flows into the air inlet shaft 251 to heat air in the shaft, so that the aim of preventing the shaft from freezing is fulfilled.
Preferably, the heating water in the shaft fresh air heating system 2 is softened water treated by a water softening device, so that the corrosion of pipelines and parts is reduced. In this embodiment, the heating water in the shaft fresh air heating system 2 is communicated with a heating water constant-pressure water replenishing device to ensure that the water pressure of the heating water in the shaft fresh air heating system 2 is stable. The constant-pressure water replenishing device and the working principle thereof are the prior art in the technical field of water supply and water replenishment, and are not described herein again.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that: the shaft anti-freezing system based on waste heat water utilization that this embodiment provided still includes water source heat pump system 3.
Mine water or building heating secondary network backwater is introduced into the waste heat water system 1 and exchanges heat with the water source heat pump system 3 to heat source water in the water source heat pump system 3, the heat source water exchanges heat with heating water in the pit shaft fresh air heating system 2 through the water source heat pump system 3 to heat the heating water in the pit shaft fresh air heating system 2, and the pit shaft fresh air heating system 2 can heat pit shaft fresh air through the heated heating water and convey the heated pit shaft fresh air to a pit shaft.
In the present embodiment, the water-source heat pump system 3 includes a water-source heat pump 31, a heat-source water supply pipe 32, and a heat-source water return pipe 33, and the water-source heat pump 31 includes an evaporator 311, a condenser 312, a compressor, and a throttle valve. When the water-source heat pump 31 is operated, the low-temperature low-pressure liquid refrigerant in the evaporator 311 absorbs heat from the heat source water and is vaporized into low-pressure steam. The refrigerant gas is then compressed in the compressor into high-temperature, high-pressure vapor, which is condensed into high-pressure liquid in the condenser 312 by the heated water, and releases heat into the heated water to raise the temperature of the heated water. The high-pressure liquid refrigerant is throttled by the throttle valve to become a low-temperature low-pressure liquid refrigerant, and the low-temperature low-pressure liquid refrigerant flows back to the evaporator 311, so that the water source heat pump 31 completes a cycle to transfer heat in the heat source water to the heating water.
Preferably, one end of the heat source water supply pipeline 32 is communicated with the second water outlet of the heat exchanger 11, and the other end is communicated with the water inlet of the evaporator 311 of the water source heat pump 31, and the heat source water supply pipeline 32 is used for introducing heat source water heated by heat exchange of the heat exchanger 11 to the evaporator 311; one end of the heat source water return pipeline 33 is communicated with a water outlet of the evaporator 311, and the other end is communicated with a second water inlet of the heat exchanger 11, so that the heat source water subjected to heat exchange and temperature reduction by the evaporator 311 is introduced into the heat exchanger 11 again to exchange heat with mine water or building heating secondary network return water again.
Finally, through the circulation action of the heat exchanger 11 and the water source heat pump system 3, the heat in the mine water or the return water of the building heating secondary network can be transferred to the heating water so as to improve the temperature of the heating water.
Preferably, one end of the heating water supply pipeline 23 is communicated with the water outlet of the condenser 312 of the water source heat pump 31, and the other end is communicated with the water inlet of the air heater 21, and is used for introducing the heating water heated by the heat exchange of the condenser 312 to the air heater 21; one end of the heating water return pipeline 24 is communicated with the water outlet of the air heater 21, and the other end is communicated with the water inlet of the condenser 312, so that the heating water after heat exchange and temperature reduction by the air heater 21 is discharged into the condenser 312 again to exchange heat with the heat source water again.
Preferably, the heat source water in the water source heat pump system 3 is softened water treated by a water softening device, which is beneficial to reducing the corrosion of the pipeline and each part. In this embodiment, the heat source water in the water source heat pump system 3 is communicated with a heat source water constant-pressure water replenishing device to ensure the stable water pressure of the heat source water in the water source heat pump system 3. The constant-pressure water replenishing device and the working principle thereof are the prior art in the technical field of water supply and water replenishment, and are not described herein again.
Other structures of the shaft anti-freezing system based on waste heat water utilization in the embodiment are the same as those in the first embodiment, and are not described again.
The operation process of the shaft antifreeze system based on waste heat water utilization provided by the embodiment is described below.
In the mine water discharge time period, the first water supply gate valve 1211 and the first water return gate valve 1311 are opened, the second water supply gate valve 1221 and the second water return gate valve 1321 are closed, mine water at about 20 ℃ enters the heat exchanger 11 through the first water supply pipeline 121 and is used for heating the cooled heat source water flowing into the heat exchanger 11 through the heat source water return pipe 33, and the heat source water is heated to be above 15 ℃. Heat source water of 15 ℃ or higher flows into the evaporator 311 of the water source heat pump 31 from the heat source water supply pipeline 32 to serve as a low-temperature heat source of the water source heat pump 31. The water source heat pump 31 consumes a certain amount of electric power, and heats the cooled heating water flowing into the condenser 312 of the water source heat pump 31 through the heating water recovery pipeline 24 to about 45 ℃. Heating water at about 45 ℃ flows into the air heater 21 through the heating water supply pipeline 23 to heat fresh air in the shaft, and the fresh air in the shaft is heated to more than 2 ℃ and then flows into the air inlet shaft 251 to heat air in the shaft, so that the aim of preventing the shaft from freezing is fulfilled.
In the time period when the mine water stops being discharged, the second water supply gate valve 1221 and the second water return gate valve 1321 are opened, the first water supply gate valve 1211 and the first water return gate valve 1311 are closed, and the building heating secondary network return water at about 40 ℃ enters the heat exchanger 11 from the second water supply pipeline 122 and is used for heating the cooled heat source water flowing into the heat exchanger 11 from the heat source water return pipe 33, and the heat source water is heated to about 30 ℃. Heat source water at about 30 ℃ flows into the evaporator 311 of the water source heat pump 31 from the heat source water supply pipeline 32 to serve as a low-temperature heat source of the water source heat pump 31. The water source heat pump 31 consumes a certain amount of electric power, and heats the cooled heating water flowing into the condenser 312 of the water source heat pump 31 through the heating water recovery pipeline 24 to about 45 ℃. Heating water at about 45 ℃ flows into the air heater 21 through the heating water supply pipeline 23 to heat fresh air in the shaft, and the fresh air in the shaft is heated to more than 2 ℃ and then flows into the air inlet shaft 251 to heat air in the shaft, so that the aim of preventing the shaft from freezing is fulfilled.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A shaft anti-freezing system based on waste heat water utilization is characterized by comprising:
the waste heat water system (1), the waste heat water system (1) includes the heat exchanger (11), the mine water or the building heating secondary network backwater can flow into the heat exchanger (11);
the shaft fresh air heating system (2) comprises an air heater (21) and a fan (22), heating water is introduced into the air heater (21), the air heater (21) is used for heating shaft fresh air, and the fan (22) is used for conveying the heated shaft fresh air to a shaft;
the heating water can exchange heat with the mine water or the building heating secondary net backwater through the heat exchanger (11) and is heated by the mine water or the building heating secondary net backwater.
2. The shaft anti-freezing system based on waste heat water utilization as claimed in claim 1, further comprising a water source heat pump system (3), wherein the water source heat pump system (3) comprises an evaporator (311) and a condenser (312), a water inlet of the evaporator (311) is communicated with a first water outlet of the heat exchanger (11), a water outlet of the evaporator (311) is communicated with a first water inlet of the heat exchanger (11), and heat source water flowing between the evaporator (311) and the heat exchanger (11) exchanges heat with mine water or building heating secondary network backwater through the heat exchanger (11) and is heated;
the water outlet of the condenser (312) is communicated with the water inlet of the air heater (21), the water inlet of the condenser (312) is communicated with the water outlet of the air heater (21), and the condenser (312) is used for heating the heating water.
3. The shaft antifreeze system based on the utilization of the waste heat water as claimed in claim 2, wherein the shaft fresh air heating system (2) further comprises a heated water supply pipeline (23) and a heated water return pipeline (24), wherein two ends of the heated water supply pipeline (23) are respectively communicated with the water outlet of the condenser (312) and the water inlet of the air heater (21); and two ends of the heating water return pipeline (24) are respectively communicated with a water inlet of the condenser (312) and a water outlet of the air heater (21).
4. The shaft anti-freezing system based on the utilization of the waste heat water as claimed in claim 1, wherein a water inlet of the air heater (21) is communicated with a first water outlet of the heat exchanger (11), a water outlet of the air heater (21) is communicated with a first water inlet of the heat exchanger (11), and the heat exchanger (11) directly utilizes the mine water or the building heating secondary network backwater to heat the heating water.
5. The shaft antifreeze system based on the utilization of the waste heat water as set forth in claim 4, wherein the shaft fresh air heating system (2) further comprises a heated water supply pipeline (23) and a heated water return pipeline (24), wherein two ends of the heated water supply pipeline (23) are respectively communicated with the first water outlet of the heat exchanger (11) and the water inlet of the air heater (21); and two ends of the heating water return pipeline (24) are respectively communicated with a first water inlet of the heat exchanger (11) and a water outlet of the air heater (21).
6. The shaft anti-freezing system based on the utilization of the waste heat water as claimed in claim 1, wherein the waste heat water system (1) comprises a water supply pipeline (12) and a water return pipeline (13), the water supply pipeline (12) is communicated with a second water inlet of the heat exchanger (11), the water supply pipeline (12) is used for introducing mine water or building heating secondary network backwater, the water return pipeline (13) is communicated with a second water outlet of the heat exchanger (11), and the water return pipeline (13) is used for discharging the mine water or building heating secondary network backwater.
7. The residual heat water utilization based wellbore anti-freezing system as claimed in claim 6, wherein the water supply pipeline (12) comprises a first water supply pipeline (121) and a second water supply pipeline (122) both communicated with a first water inlet of the heat exchanger (11), and the water return pipeline (13) comprises a first water return pipeline (131) and a second water return pipeline (132) both communicated with a first water outlet of the heat exchanger (11);
the first water supply pipeline (121) is used for conveying mine water to the heat exchanger (11), the first water return pipeline (131) is used for discharging mine water, the second water supply pipeline (122) is used for conveying building heating secondary network return water to the heat exchanger (11), and the second water return pipeline (132) is used for discharging building heating secondary network return water.
8. The wellbore anti-freezing system based on waste heat water utilization as claimed in claim 7, wherein a first water supply gate valve (1211) is arranged on the first water supply pipeline (121), a second water supply gate valve (1221) is arranged on the second water supply pipeline (122), a first return water gate valve (1311) is arranged on the first return water pipeline (131), and a second return water gate valve (1321) is arranged on the second return water pipeline (132).
9. The residual heat water utilization-based wellbore anti-freezing system as claimed in claim 2, wherein a heat source water constant-pressure water supplementing device is arranged in the water source heat pump system (3); and a heating water constant-pressure water supplementing device is arranged in the shaft fresh air heating system (2).
10. The shaft antifreezing system based on waste heat water utilization as claimed in claim 1, wherein the shaft fresh air heating system (2) further comprises an air inlet shaft opening room (25), and the air inlet shaft opening room (25) is used for introducing shaft fresh air and preserving heat of the heated shaft fresh air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236662.3U CN210317394U (en) | 2019-08-01 | 2019-08-01 | Shaft anti-freezing system based on waste heat water utilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236662.3U CN210317394U (en) | 2019-08-01 | 2019-08-01 | Shaft anti-freezing system based on waste heat water utilization |
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| CN210317394U true CN210317394U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344881A (en) * | 2019-08-01 | 2019-10-18 | 中煤科工(天津)清洁能源研究院有限公司 | A kind of equipment system utilized based on remaining hot water |
-
2019
- 2019-08-01 CN CN201921236662.3U patent/CN210317394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344881A (en) * | 2019-08-01 | 2019-10-18 | 中煤科工(天津)清洁能源研究院有限公司 | A kind of equipment system utilized based on remaining hot water |
| CN110344881B (en) * | 2019-08-01 | 2024-08-20 | 中煤科工(天津)清洁能源研究院有限公司 | Shaft anti-freezing system based on waste water utilization |
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