CN113565555B - Underground heat environment treatment refrigerant driving cooling device - Google Patents
Underground heat environment treatment refrigerant driving cooling device Download PDFInfo
- Publication number
- CN113565555B CN113565555B CN202110283835.2A CN202110283835A CN113565555B CN 113565555 B CN113565555 B CN 113565555B CN 202110283835 A CN202110283835 A CN 202110283835A CN 113565555 B CN113565555 B CN 113565555B
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- Prior art keywords
- water
- cooling device
- cooling
- radiator
- fan
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
A refrigerant-driven integrated cooling device for underground thermal environment treatment is used underground in a coal mine. The cooling device comprises a cooling device, a fan and a circulating water tank, wherein the fan is arranged on the cooling device, a water outlet of the circulating water tank is connected with a water inlet pipeline of the cooling device through a circulating cooling water pump, and a water outlet of the cooling device is connected with a water inlet of the circulating water tank through a pipeline; the fan is a refrigerant driving fan, a liquid driver is arranged on the refrigerant driving fan and comprises a shell, a water wheel arranged on a driving shaft is arranged in the shell, fan blades are arranged at the bottom of the driving shaft, a water inlet nozzle is arranged on the shell at one end of the water wheel, a water outlet is arranged on the shell at the other end of the water wheel, the liquid driver is arranged between a circulating cooling water pump and a water inlet of the radiator, the circulating cooling water pump is connected with the water inlet nozzle, and the water outlet of the liquid driver is connected with an inlet of the radiator through a pipeline. The device has the advantages of simple structure, convenient use, safety and reliability.
Description
Technical Field
The application relates to a cooling device, in particular to a refrigerant-driven integrated cooling device for underground heat environment treatment, which is particularly suitable for underground coal mines.
Background
With deep mining, the problem of mine heat damage is more remarkable, and the management of the underground heat environment is urgent. At present, a mine underground cooling system generally adopts a refrigerating unit to prepare low-temperature cold water (3-5 ℃), then the cold water is conveyed to an underground mining roadway through a pipeline, cold exchange is carried out with an air cooler arranged in the roadway, and finally the cold water is conveyed to a mining face or a tunneling head. The air cooler cooling process needs to be equipped with an electric driven local fan, and underground power supply and electric equipment of a coal mine need to be explosion-proof, so that the air cooler equipped with the local fan needs to be reinstalled along with the change of a cooling surface in the underground mining process, and wires and explosion-proof power supply need to be erected.
The existing underground cooling and cooling device is generally arranged in a ventilation roadway, is far away from a cooling area of a working face, has large cold quantity conveying loss and low capacity utilization efficiency. The integrated cooling device driven by the refrigerant is convenient to hang on the hydraulic support underground and move, the temperature of the cooling area is uniform, and the utilization efficiency of cold energy is high.
Disclosure of Invention
Aiming at the defects of the technology, the underground heat environment treatment refrigerant driving integrated cooling device with the working face cooled and not influenced by the explosion prevention of an underground power supply is provided, and the device adopts a refrigerant driving fan to solve the problem that the electric driving power supply needs explosion prevention; the cooling device is hung on the hydraulic support, so that the problem that the air temperature distribution in the cooling area of the working face is uneven is solved, and the cold energy utilization efficiency is improved.
In order to achieve the aim, the application provides a refrigerant-driven integrated cooling device for underground thermal environment treatment, which comprises a cooling device, a fan and a circulating water tank, wherein the fan is arranged on the cooling device through a bracket and is used for transmitting the cooling capacity of the cooling device to a designated position; the fan is a refrigerant driving fan, a liquid driver is arranged on the refrigerant driving fan and comprises a shell, a water wheel arranged on a driving shaft is arranged in the shell, fan blades are arranged at the bottom of the driving shaft, a water inlet nozzle is arranged on the shell at one end of the water wheel, a water outlet is arranged on the shell at the other end of the water wheel, the liquid driver is arranged between a circulating cooling water pump and a water inlet of the radiator, the circulating cooling water pump is connected with the water inlet nozzle, and the water outlet of the liquid driver is connected with an inlet of the radiator through a pipeline.
Further, the radiator comprises a shell, the fan is arranged on the shell through the support, an elliptical tube type heat exchange tube for releasing cold is arranged in the shell, two ends of the coil are respectively connected with a water inlet and a water outlet of the radiator, and a liquid outlet which is opened and closed according to requirements is further arranged at the bottom of the shell.
Further, a pipeline connected with a water outlet of the body driver is divided into two pipelines through three-way, one pipeline is connected with a coil water inlet in the radiator through a gate valve, the other pipeline is connected with a plurality of needle-type cleaning spray heads arranged in the radiator through an adjusting valve, the needle-type cleaning spray heads are used for cleaning condensed water generated by spraying sewage and cooling air of the radiator, and the spraying water is discharged from a liquid outlet.
Further, the top of the circulating water tank is provided with an exhaust pipeline through an exhaust valve, and is also connected with a water supplementing tank through a gate valve g.
Further, a filter system and a gate valve c are sequentially arranged on a pipeline between the water outlet of the circulating water tank and the circulating cooling water pump, the filter system comprises a filter, a gate valve a is arranged at the water inlet end of the filter, a gate valve b is arranged at the water outlet end of the filter, and a bypass valve is connected in parallel between the gate valve a, the filter and the gate valve b through the pipeline.
Further, a gate valve d, a flow regulating valve, a flowmeter and a gate valve e are arranged on a pipeline between the circulating cooling water pump and a water outlet nozzle of a liquid driver in the refrigerant driving fan, and the flow and the pressure of cooling water are controlled by regulating the flow regulating valve, so that the cooling capacity output by the cooling device 18 is regulated, and finally, the temperature of a working surface is regulated.
Further, a fan protection cover is arranged on the outer side of the refrigerant driving fan.
Furthermore, the pipelines used at the water inlet nozzle and the water outlet of the liquid driver are a rubber hose a and a rubber hose b respectively, the pipeline used between the radiator and the circulating water tank is a rubber hose c, and the rubber hose a, the rubber hose b and the rubber hose c are convenient to detach and fix in position.
The beneficial effects are that:
the refrigerant driving fan of the device is driven by the pressure of the refrigerant, does not need to supply power, is not limited by the explosion-proof requirement of the underground power supply, and does not influence the cold exchange of cooling water in the radiator. The system realizes the problem that the underground cooling radiator fan electric drive power supply needs explosion protection; meanwhile, the refrigerant-driven integrated cooling device can be hung on the hydraulic support, and the technical problem of uneven air temperature distribution in a cooling area of a working face is solved.
Drawings
FIG. 1 is a schematic diagram of a refrigerant-driven integrated cooling device for downhole thermal environment remediation according to the present application.
In the figure: the device comprises a 1-gate valve a 2-filter 3-gate valve b 4-bypass valve 5-gate valve c 6-circulating cooling water pump 7-gate valve d 8-flow regulating valve 9-flowmeter 10-gate valve e 11-rubber hose a 12-refrigerant driving fan 13-fan protection cover 14-rubber hose b 15-gate valve f 16-regulating valve 17-cleaning spray head 18-radiator 19-cold air 20-drain port 21-rubber hose c 22-emptying air valve 23-water supplementing tank 24-gate valve g 25-circulating water tank 26-serpentine coil.
Detailed Description
The application is further illustrated by the following description of embodiments, taken in conjunction with the accompanying drawings:
as shown in FIG. 1, the application relates to an underground heat environment treatment refrigerant driving integrated cooling device, which comprises a cooling device 18, a fan and a circulating water tank 25, wherein the fan is arranged on the cooling device 18 through a bracket and is used for transmitting cold air 19 generated by cooling released by the cooling device 18 to a designated position, the cooling device 18 comprises a shell, the fan is arranged on the shell through the bracket, an elliptical tube type heat exchange tube for releasing cooling is arranged in the shell, two ends of a coil are respectively connected with a water inlet and a water outlet of the cooling device 18, and a liquid outlet 20 which is opened and closed according to requirements is further arranged at the bottom of the shell.
A refrigerant coil 26 for cooling water stored in the circulating water tank 25 is arranged in the circulating water tank 25, an inlet and an outlet of the refrigerant coil 26 extend out of the circulating water tank 25 respectively to be connected with a refrigerating device, a water outlet of the circulating water tank 25 is connected with a water inlet pipeline of the radiator 18 through a circulating cooling water pump 6, and a water outlet of the radiator 18 is connected with a water inlet of the circulating water tank 25 through a pipeline; the fan is refrigerant drive fan 12, the outside of refrigerant drive fan 12 is equipped with fan protection casing 13, be equipped with liquid driver on the refrigerant drive fan 12, liquid driver includes the shell, be equipped with in the shell and set up at epaxial water wheel of drive, the drive shaft bottom is equipped with fan blade, wherein be equipped with the water inlet spout on the shell of water wheel one end, be equipped with the delivery port on the shell of the water wheel other end, liquid driver sets up between circulating cooling water pump 6 and the water inlet of radiator 18, wherein circulating cooling water pump 6 is connected with the water inlet spout, liquid driver's delivery port passes through the pipeline and is connected with the entry of radiator 18. The pipeline that the delivery port of liquid driver connects is divided into two pipelines through the tee bend, and a pipeline is connected with the coil pipe water inlet in the radiator 18 through gate valve 15, and another pipeline is connected with a plurality of needle-type cleaning shower nozzles 17 that set up in the radiator 18 through adjusting valve 16 for wash the comdenstion water that sprays sewage and radiator 18 cooling air produced, spray water is discharged by leakage fluid dram 20.
The top of the circulating water tank 25 is provided with an exhaust pipeline through an exhaust air valve 22, and is also connected with a water supplementing tank 23 through a gate valve g 24. The pipeline between the water outlet of the circulating water tank 25 and the circulating cooling water pump 6 is sequentially provided with a filtering system and a gate valve c5, the filtering system comprises a filter 2, the water inlet end of the filter is provided with a gate valve a1, the water outlet end of the filter is provided with a gate valve b3, and a bypass valve 4 is connected in parallel between the gate valve a1, the filter 2 and the gate valve b3 through the pipeline.
The gate valve d7, the flow regulating valve 8, the flowmeter 9 and the gate valve e10 are arranged on the pipeline between the circulating cooling water pump 6 and the water outlet nozzle of the liquid driver in the refrigerant driving fan 12, and the flow and the pressure of cooling water are controlled by regulating the flow regulating valve 8, so that the cold output by the cooling device 18 is regulated, and finally the temperature of a working surface is regulated.
The pipelines used at the water inlet nozzle and the water outlet of the liquid driver are a rubber hose a11 and a rubber hose b14 respectively, the pipeline used between the radiator 18 and the circulating water tank 25 is a rubber hose c21, and the rubber hose a11, the rubber hose b14 and the rubber hose c21 are convenient to detach and fix in position.
The cooling medium driving fan 12 consists of a water turbine, fan blades, a nozzle, a shell, an inlet and outlet pipe, a main shaft and a bearing seat, cooling water enters the cooling medium driving fan 16 after being pressurized by the circulating water pump 6 (working pressure is 2-4 MPa), the cooling water generates high-speed water flow through the nozzle, the cooling water flowing at high speed drives the water turbine to rotate (the rotating speed is 800-2000 r/min), the water turbine drives the fan to rotate through the main shaft, the operation cooling medium driving of the underground radiator local fan is realized, and potential safety hazards caused by power supply and power explosion prevention of the underground radiator are avoided.
The radiator 18 is of an oval tube structure, the efficient needle-type cleaning spray head 17 is mounted in the radiator, the concentration of air dust on the underground coal face is high, dust is easily deposited on the surface of a heat exchange tube in the radiator, dust on the surface of the oval tube can be timely cleaned by the aid of the cleaning spray head 17, and energy conversion efficiency of the radiator is improved.
In use, the cooler 18 of the present application is placed as desired, with the optimal placement being suspended below the hydraulic support of the fully mechanized face.
Claims (4)
1. The utility model provides a colliery is thermal environment treatment refrigerant drive integration cooling equipment in pit which characterized in that: the hydraulic support comprises a radiator (18), a fan and a circulating water tank (25), wherein the radiator (18) is suspended below the hydraulic support of the fully-mechanized mining face; the cooling device comprises a cooling device, a cooling device and a cooling fan, wherein the cooling device is arranged on the cooling device (18) through a bracket and used for transmitting cooling capacity of the cooling device (18) to a designated position, a cooling medium coil pipe (26) used for cooling stored water in the cooling device (25) is arranged in the cooling device (25), an inlet and an outlet of the cooling medium coil pipe (26) extend out of the cooling device (25) respectively and are connected with the cooling device, a water outlet of the cooling device (25) is connected with a water inlet pipeline of the cooling device (18) through a circulating cooling water pump (6), and a water outlet of the cooling device (18) is connected with a water inlet of the cooling device (25) through a pipeline; the fan is a refrigerant driving fan (12), power supply is not needed, the limitation of explosion-proof requirements of an underground power supply is avoided, a liquid driver is arranged on the refrigerant driving fan (12), the liquid driver comprises a shell, a water wheel arranged on a driving shaft is arranged in the shell, fan blades are arranged at the bottom of the driving shaft, a water inlet nozzle is arranged on the shell at one end of the water wheel, a water outlet is arranged on the shell at the other end of the water wheel, the liquid driver is arranged between a circulating cooling water pump (6) and a water inlet of a radiator (18), the circulating cooling water pump (6) is connected with the water inlet nozzle, and a water outlet of the liquid driver is connected with an inlet of the radiator (18) through a pipeline;
the cooling device (18) comprises a shell, the fan is arranged on the shell through a bracket, an elliptical tube type heat exchange tube for cooling is arranged in the shell, two ends of the coil are respectively connected with a water inlet and a water outlet of the cooling device (18), and a liquid outlet (20) which is opened and closed according to requirements is further arranged at the bottom of the shell;
the pipeline connected with the water outlet of the liquid driver is divided into two pipelines through three-way, one pipeline is connected with a coil water inlet in the radiator (18) through a gate valve (15), the other pipeline is connected with a plurality of needle-type cleaning spray heads (17) arranged in the radiator (18) through an adjusting valve (16) and used for cleaning condensed water generated by spraying sewage and cooling air of the radiator (18), and the spraying water is discharged from a liquid outlet (20); the radiator (18) is of an oval tube structure, the inside of the radiator is provided with an efficient needle-type cleaning spray head (17), the concentration of air dust on the underground coal face is high, dust is easily accumulated on the surface of a heat exchange tube inside the radiator, and the dust on the surface of the oval tube can be timely cleaned by utilizing the cleaning spray head (17), so that the energy conversion efficiency of the radiator is improved;
the top of the circulating water tank (25) is provided with an exhaust pipeline through an exhaust valve (22), and is also connected with a water supplementing tank (23) through a gate valve g (24);
a filter system and a gate valve c (5) are sequentially arranged on a pipeline between a water outlet of the circulating water tank (25) and the circulating cooling water pump (6), the filter system comprises a filter (2), a gate valve a (1) is arranged at a water inlet end of the filter, a gate valve b (3) is arranged at a water outlet end of the filter, and a bypass valve (4) is connected in parallel between the gate valve a (1), the filter (2) and the gate valve b (3) through pipelines;
cooling water enters the inside of a refrigerant driving fan (16) after being pressurized by a circulating water pump (6), the cooling water generates high-speed water flow through a nozzle, the cooling water flowing at high speed drives a water turbine to rotate, the water turbine drives the fan to rotate through a main shaft, the operation refrigerant driving of the underground radiator fan is realized, and potential safety hazards caused by power supply and power explosion prevention of the underground radiator are avoided.
2. The underground coal mine thermal environment treatment refrigerant-driven integrated cooling device according to claim 1, wherein: the gate valve d (7), the flow regulating valve (8), the flowmeter (9) and the gate valve e (10) are arranged on a pipeline between the circulating cooling water pump (6) and the water outlet nozzle of the liquid driver in the refrigerant driving fan (12), and the flow and the pressure of cooling water are controlled by regulating the flow regulating valve (8), so that the cold output by the cooling device (18) is regulated, and finally the temperature of a working face is regulated.
3. The underground coal mine thermal environment treatment refrigerant-driven integrated cooling device according to claim 1, wherein: a fan protection cover (13) is arranged on the outer side of the refrigerant driving fan (12).
4. The underground coal mine thermal environment treatment refrigerant-driven integrated cooling device according to claim 1, wherein: the pipeline that liquid driver's water inlet spout and delivery port department used is rubber hose a (11) and rubber hose b (14) respectively, and the pipeline that uses between radiator (18) and the circulation tank (25) is rubber hose c (21), and rubber hose a (11), rubber hose b (14) and rubber hose c (21) are convenient to demolish and fixed in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283835.2A CN113565555B (en) | 2021-03-17 | 2021-03-17 | Underground heat environment treatment refrigerant driving cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283835.2A CN113565555B (en) | 2021-03-17 | 2021-03-17 | Underground heat environment treatment refrigerant driving cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113565555A CN113565555A (en) | 2021-10-29 |
| CN113565555B true CN113565555B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283835.2A Active CN113565555B (en) | 2021-03-17 | 2021-03-17 | Underground heat environment treatment refrigerant driving cooling device |
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| Country | Link |
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| CN (1) | CN113565555B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874733U (en) * | 2010-12-01 | 2011-06-22 | 秦宇献 | Self-powered cooling device with air cooling mechanism |
| CN202544899U (en) * | 2012-03-19 | 2012-11-21 | 北京光华创世科技有限责任公司 | Mining anti-explosion ice storage air-conditioning device |
| CN104384672A (en) * | 2014-11-01 | 2015-03-04 | 泰州忠翔机械制造有限公司 | Intelligent high-efficiency cooling machine |
| CN105737306A (en) * | 2016-04-14 | 2016-07-06 | 开滦（集团）有限责任公司林南仓矿业分公司 | Hydrodynamic air conditioner |
| CN210509263U (en) * | 2019-09-27 | 2020-05-12 | 山东昱祥制冷设备有限公司 | Centralized refrigeration cooling system for mine working face |
| CN212406784U (en) * | 2020-05-11 | 2021-01-26 | 河南理工大学 | Local cooling system of mine |
-
2021
- 2021-03-17 CN CN202110283835.2A patent/CN113565555B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874733U (en) * | 2010-12-01 | 2011-06-22 | 秦宇献 | Self-powered cooling device with air cooling mechanism |
| CN202544899U (en) * | 2012-03-19 | 2012-11-21 | 北京光华创世科技有限责任公司 | Mining anti-explosion ice storage air-conditioning device |
| CN104384672A (en) * | 2014-11-01 | 2015-03-04 | 泰州忠翔机械制造有限公司 | Intelligent high-efficiency cooling machine |
| CN105737306A (en) * | 2016-04-14 | 2016-07-06 | 开滦（集团）有限责任公司林南仓矿业分公司 | Hydrodynamic air conditioner |
| CN210509263U (en) * | 2019-09-27 | 2020-05-12 | 山东昱祥制冷设备有限公司 | Centralized refrigeration cooling system for mine working face |
| CN212406784U (en) * | 2020-05-11 | 2021-01-26 | 河南理工大学 | Local cooling system of mine |
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| CN113565555A (en) | 2021-10-29 |
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