CN213063645U - Be applied to cooling equipment who combines to adopt working face - Google Patents
Be applied to cooling equipment who combines to adopt working face Download PDFInfo
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- CN213063645U CN213063645U CN202022067089.7U CN202022067089U CN213063645U CN 213063645 U CN213063645 U CN 213063645U CN 202022067089 U CN202022067089 U CN 202022067089U CN 213063645 U CN213063645 U CN 213063645U
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Abstract
The utility model provides a be applied to and combine cooling device who adopts working face, include: a plurality of air-coolers of setting on fully mechanized coal mining face cooling station, the air-cooler includes: a hydraulic motor, a fan, a heat exchanger group and a cooling water supply device; the cooling water supply device includes: the system comprises a high-low pressure heat exchanger, a circulating water pump and a constant pressure water supplementing device; the cooling water output by the cooling water supply device drives the hydraulic motor to work, the hydraulic motor drives the fan to rotate so as to drive gas in the mine to flow through the heat exchanger group, and the cooling water output by the hydraulic motor is conveyed to the heat exchanger group to exchange heat with the gas flowing through the heat exchanger group. The power of the fan is effectively combined with the power of cold water heat exchange. By adding a hydraulic motor, the overall safety is higher. Carry out the heat transfer by cold water, for air conditioning heat transfer among the prior art, under removing the same distance, the calorific loss that carries behind the cold water heat transfer is still less, and whole cooling device cooling efficiency is high, the power consumption is few, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the mine road aeration cooling, especially, relate to a be applied to and combine cooling device who adopts the working face.
Background
The high temperature of the mine can greatly reduce the working efficiency of mine workers, and as the high temperature continues, the electromechanical equipment and the workers are damaged to different degrees due to heat injury. The temperature of the mine is mainly influenced by various comprehensive factors such as earth surface atmosphere, surrounding rock heat dissipation, human body heat dissipation, electromechanical equipment heat dissipation, underground water heat and the like.
In order to reduce the temperature of the underground roadway and enable both people and machines to work at a proper temperature, mine mining technology developers try countless methods through countless generations of combined efforts. If the ventilation in the roadway is continuously increased through the large-air-volume fan, the cost is low, but the effect is poor. The effect is good when a heat insulation vest or a cooling cap is used, but the cost is too high, and the popularization is not facilitated.
Therefore, how to design a cooling device applied to a fully mechanized mining face can effectively cool down, so that a machine or a person can be at a comfortable working temperature for a long time, and the cooling device is safe and reliable.
Disclosure of Invention
This is for solving above-mentioned technical problem, the utility model provides a be applied to and combine the cooling device who adopts the working face. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
The utility model adopts the following technical scheme:
in some optional embodiments, a cooling device applied to a fully mechanized mining face is provided, including: a plurality of air-coolers of setting on fully mechanized coal mining face cooling station, the air-cooler includes: a hydraulic motor, a fan, a heat exchanger group and a cooling water supply device;
the cooling water output by the cooling water supply device drives the hydraulic motor to work, the hydraulic motor drives the fan to rotate so as to drive gas in the mine shaft to flow through the heat exchanger group, and the cooling water output by the hydraulic motor is conveyed to the heat exchanger group to exchange heat with the gas flowing through the heat exchanger group;
the air outlet of air-cooler sets up gaseous guiding device, gaseous guiding device includes: the power channel and the setting are in power channel just is the reposition of redundant personnel pipeline of scattering form all around, the end and the induction-tube intercommunication of setting on the ore deposit way lateral wall of reposition of redundant personnel pipeline, the induction-tube is from last to offering a plurality of gas outlets down, the induction-tube is from last to diameter crescent down, just the interval of gas outlet reduces gradually. In some optional embodiments, the cooling water supply device includes: a high-low pressure heat exchanger and a circulating water pump; and conveying the cooling water output by the heat exchanger group to the high-low pressure heat exchanger for cooling, and pumping the cooled cooling water into the hydraulic motor through the circulating water pump to drive the hydraulic motor to work.
In some optional embodiments, the cooling water supply device further includes: a constant pressure water replenishing device; the constant-pressure water replenishing device is arranged on a pipeline connected with the circulating water pump and the hydraulic motor.
In some optional embodiments, a trumpet-shaped gas collecting pipeline is arranged at the air inlet of the air cooler, and a filter screen is arranged in the gas collecting pipeline.
In some optional embodiments, an air outlet pipe is arranged in the air outlet, and the air outlet pipe on each lead-in pipe faces to the central axis of the mine; a water collecting tank is arranged below the air outlet pipe and connected with a water guide pipe, and the water guide pipe and the inlet pipe are arranged in parallel.
In some optional embodiments, an arc-shaped fastening hoop is arranged on the clasping hoop, and the water conduit is mounted on the inlet pipe through the arc-shaped fastening hoop.
In some optional embodiments, an L-shaped sealing pad is disposed between the air outlet of the inlet pipe and the air outlet pipe, a sinking platform is disposed at one end of the air outlet pipe connected to the air outlet, and the L-shaped sealing pad is pressed between the sinking platform and the side wall of the air outlet.
In some optional embodiments, the heat exchanger group comprises a plurality of zigzag pipes arranged in a cross way, and the zigzag pipes are sequentially connected in a direction gradually far away from the fan; the pipeline of each row of the coiled pipes is provided with a plurality of extension pipes, and the tail ends of the extension pipes are extended to the pipelines of the adjacent rows.
In some optional embodiments, the surfaces of the diversion pipeline and the introducing pipe are coated with heat preservation films.
In some optional embodiments, an axial flow fan is arranged in the power channel and at the tail end of the introducing pipe.
The utility model discloses the beneficial effect who brings: after the cold water drives the water conservancy motor to drive the fan, the cold water carries out effective air-water heat exchange through the heat exchanger group, thereby effectively combining the power of the fan and the power of cold water heat exchange. Through increasing hydraulic motor, make the fan need not the power consumption for whole security is higher. And the cold water exchanges heat, compared with cold water heat exchange in the prior art, the heat loss carried by the cold water after heat exchange is less under the condition of moving the same distance, so that the whole cooling equipment has high cooling efficiency, less power consumption, safety and reliability.
Drawings
FIG. 1 is a schematic view of an air cooler according to the present invention;
fig. 2 is a schematic layout of the air cooler of the present invention;
FIG. 3 is a schematic structural view of the cooling device of the present invention;
FIG. 4 is a schematic structural view of the inlet tube of the present invention;
fig. 5 is a schematic layout of the air outlet pipe of the present invention;
FIG. 6 is a schematic view of the connection between the inlet pipe and the water guiding pipe;
FIG. 7 is a schematic view of the cross arrangement of the serpentine tubes in the heat exchanger package of the present invention;
fig. 8 is a schematic view of a serpentine tube of the present invention.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others.
In some illustrative embodiments, as shown in fig. 1-3, there is provided a cooling apparatus for use with a fully mechanized coal mining face, comprising: the air coolers 1 are arranged on each cooling station on the fully mechanized mining face 3, and the cooling stations are located in mine tunnels 2 perpendicular to the fully mechanized mining face. Generally, 20 cooling stations are arranged within the range of 200 meters of the total length of the fully mechanized coal mining face 3.
Air-cooler 1 includes: the cooling water supply device provides cooling water which has two functions, namely, the hydraulic motor 101 is driven to work, and the heat exchanger set 103 exchanges heat with high-temperature air on a fully mechanized mining face to cool. The power output shaft of the hydraulic motor 101 is connected to the fan 102, and drives the fan 102 to rotate. The air outlet side of the fan 102 faces the heat exchanger set 103, the fan 102 draws high-temperature air into the air inlet 104 of the air cooler 1 and blows the air to the heat exchanger set 103, and the high-temperature air flowing through the heat exchanger set 103 exchanges heat with cooling water provided by the cooling water supply device. The water outlet of the cooling water supply device is connected with the water inlet of the hydraulic motor 101, and the water outlet of the hydraulic motor 101 is connected with the water inlet of the heat exchanger group 103. The cooling water provided by the cooling water supply device firstly provides operation power for the hydraulic motor 101, and then is conveyed to the heat exchanger group 103 for heat exchange, and the heat exchanger group 103 is a gas-water heat exchanger.
The utility model discloses utilize the work of cooling water drive hydraulic motor 101 of cooling water feeding device output, hydraulic motor 101 drive fan 102 is rotatory to flow through heat exchanger group 103 in order to drive the gas flow in the ore deposit, carries to heat exchanger group 103 from the cooling water of hydraulic motor 101 output, carries out the heat transfer with the gas of flowing through heat exchanger group. Under cold water and cold air move the same distance under high temperature environment, the heat loss that carries behind the cold water heat transfer is still less, makes whole cooling device cooling efficiency high. The safety of using the hydraulic motor under the mine is guaranteed, and the cooling water is also used for heat exchange, so that the power consumption of the equipment is reduced, and the cost is reduced.
The utility model discloses an air-cooler 1 can set up in mining tunnel equipment department, as the cooling station, because some main equipment during operation can make ambient temperature higher than normal 5 to 6 ℃, consequently, the utility model discloses an air-cooler is applicable to local cooling more, in addition, also can provide buffering work area for the staff in the pit, avoids the staff to be in high temperature environment for a long time.
The cooling water supply device includes: a high-low pressure heat exchanger 105, a circulating water pump 106 and a constant pressure water supplementing device 107. The water outlet of the heat exchanger group 103 is connected with the heat medium inlet of the high-low pressure heat exchanger 105, the heat medium outlet of the high-low pressure heat exchanger 105 is connected with the water inlet of the circulating water pump 106, and the water outlet of the circulating water pump 106 is connected with the water inlet of the hydraulic motor 101. After the cooling water exchanges heat with the high-temperature air, the temperature rises to some extent, the cooling water output from the heat exchanger set 103 is conveyed to the high-low pressure heat exchanger 105 for cooling, and the refrigerant medium of the high-low pressure heat exchanger 105 can be supplied uniformly from the outside. The cooling water cooled by the high-low pressure heat exchanger 105 is pumped into the hydraulic motor 101 through the circulating water pump 106 to drive the hydraulic motor 101 to work, and thus, the circulation of the cooling water is completed. The constant-pressure water replenishing device 107 is provided in a pipe connecting the circulating water pump 106 and the hydraulic motor 101, and replenishes water to avoid lack of cooling water.
The utility model discloses still include: and the gas guide device 4 is connected with the air outlet 108 of the air cooler, and cold air discharged from the air outlet 108 of the cold air fan enters the gas guide device 4 for flow distribution. The gas guiding device 4 comprises: a power channel 401, a diversion pipeline 402, an inlet pipe 403, an outlet pipe 404, a water collecting tank 405, a water guide pipe 406,
The diversion pipeline 402 is arranged around the power channel 401 and is in a scattering state, the tail end of the diversion pipeline 402 is communicated with an inlet pipe 403 arranged on the side wall of the mine tunnel, and the diversion pipeline 402 guides cold gas to the inlet pipe 403 on the periphery; the lead-in pipes 403 are uniformly distributed on the wall of the mine, generally from 4 to 6, and the number of the diversion pipes 402 corresponds to the number of the lead-in pipes 403. The inlet pipe 403 is provided with a plurality of air outlets from top to bottom, cold gas is sprayed into the mine tunnel from the air outlets, the diameter of the inlet pipe 403 is gradually increased from top to bottom, and the distance between the air outlets is gradually reduced. When the cold gas just got into induction pipe 403, the temperature was the lowest and the velocity of flow is the fastest, through the utility model discloses a design, arrival induction pipe 403 the latter half that the cold gas can be quick for the cold gas drops into key region emphatically, avoids the cold gas not yet to reach the bottom and just has lost most heat, thereby reduces the cooling effect. Moreover, the inlet pipes 403 gradually spray cold air along the side wall of the mine tunnel, the spraying amount is larger and larger, cold air flows downwards, and hot air flows upwards between the inlet pipes 403, so that the gas can flow circularly and quickly, the mutual influence of hot air and cold air is reduced, and the rapid local cooling of the mine tunnel is realized. The problem of the workman temporarily alleviate the state that lasts stifled that high temperature environment caused in process of production. The utility model discloses air-cooler amount of wind 450m3/h, refrigeration are attacked slightly and are about 10kw, and wind speed 0.5 m/s.
As shown in fig. 4 and 5, an air outlet pipe 404 is arranged in the air outlet, and the air outlet pipe 404 on each inlet pipe 403 faces to the central axis of the mine, so that the hot and cold air has a good circulation route and is prevented from influencing each other. A water collecting tank 405 is provided below the air outlet pipe 404, the water collecting tank 405 is connected to the water guide pipe 406, and the water guide pipe 406 is provided in parallel with the inlet pipe 403. Because outside air heat is higher, when cold air passes through outlet duct 404, easily become the drop of water, the water catch bowl 405 can collect the drop of water promptly to collect by the leading-in bottom of aqueduct 406, thereby avoid the water that falls to influence staff or machine equipment or mining environment.
As shown in fig. 6, a clasping hoop 407 is provided on the introducing pipe 403, and the introducing pipe 403 is attached to the side wall of the mine shaft via the clasping hoop 407. An arc-shaped fastening hoop 408 is arranged on the clasping hoop 407, and the water conduit 406 is mounted on the inlet conduit 403 through the arc-shaped fastening hoop 408. The introduction pipe 403 provides a supporting force, and the installation of the water introduction pipe 406 becomes simple.
As shown in fig. 4, an L-shaped sealing gasket 409 is disposed between the air outlet of the inlet pipe 403 and the air outlet pipe 404, a sinking platform is disposed at one end of the air outlet pipe 404 connected to the air outlet, and the L-shaped sealing gasket 409 is pressed between the sinking platform and the side wall of the air outlet. Improving the sealing between the outlet pipe 404 and the inlet pipe 403. As shown in fig. 7 and 8, the heat exchanger group 103 includes a plurality of coils 109 arranged in a cross manner, and the coils 109 are sequentially connected in a direction gradually away from the fan 102, that is, the cooling water sequentially passes through the coils 109. The serpentine tubes 109 arranged in a crossed manner can slow down the flow of gas and improve the heat exchange time, thereby improving the heat exchange efficiency. The pipeline of each row of the serpentine tubes 109 is provided with a plurality of extension tubes 110, the tail ends of the extension tubes 110 extend to the adjacent rows of pipelines, the extension tubes 110 can increase the contact area between the gas and the heat exchanger group 103, and meanwhile, the gas flowing speed is further reduced, so that the heat exchange efficiency is improved.
The air inlet 104 of the air cooler is provided with a horn-shaped gas collecting pipeline, the horn-shaped gas collecting pipeline is convenient for collecting gas, a filter screen 5 is arranged in the gas collecting pipeline, the filter screen 5 can block impurities in part of air, and the influence of the impurities on the use of rear-section equipment is avoided.
The surfaces of the diversion pipeline 402 and the lead-in pipe 403 are coated with heat insulation films, so that the heat insulation effect is achieved, and the heat loss of cold gas is reduced.
Axial fans are arranged in the power channel 401 and at the tail end of the introducing pipe 403 to accelerate the gas flow and provide power for the gas flow.
The above embodiment is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above embodiment, and any other changes, modifications, replacements, combinations, simplifications, equivalent replacement modes, which are not departed from the spirit and principle of the present invention, should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a be applied to and combine cooling device who adopts working face which characterized in that includes: a plurality of air-coolers of setting on fully mechanized coal mining face cooling station, the air-cooler includes: a hydraulic motor, a fan, a heat exchanger group and a cooling water supply device;
the power output shaft of the hydraulic motor is connected with the fan, the air outlet side of the fan faces the heat exchanger group, the water outlet of the cooling water supply device is connected with the water inlet of the hydraulic motor, and the water outlet of the hydraulic motor is connected with the water inlet of the heat exchanger group;
the cooling water output by the cooling water supply device drives the hydraulic motor to work, the hydraulic motor drives the fan to rotate so as to drive gas in the mine shaft to flow through the heat exchanger group, and the cooling water output by the hydraulic motor is conveyed to the heat exchanger group to exchange heat with the gas flowing through the heat exchanger group;
the air outlet of air-cooler sets up gaseous guiding device, gaseous guiding device includes: the power channel and the setting are in power channel just is the reposition of redundant personnel pipeline of scattering form all around, the end and the induction-tube intercommunication of setting on the ore deposit way lateral wall of reposition of redundant personnel pipeline, the induction-tube is from last to offering a plurality of gas outlets down, the induction-tube is from last to diameter crescent down, just the interval of gas outlet reduces gradually.
2. The cooling device applied to the fully mechanized coal mining face according to claim 1, wherein the cooling water supply device comprises: a high-low pressure heat exchanger and a circulating water pump; the cooling water output by the heat exchanger group is conveyed to the high-low pressure heat exchanger for cooling, and the cooled cooling water is pumped into the hydraulic motor through the circulating water pump to drive the hydraulic motor to work;
the water outlet of the heat exchanger group is connected with the heat medium inlet of the high-low pressure heat exchanger, the heat medium outlet of the high-low pressure heat exchanger is connected with the water inlet of the circulating water pump, and the water outlet of the circulating water pump is connected with the water inlet of the hydraulic motor.
3. The cooling device applied to the fully mechanized coal mining face according to claim 2, wherein the cooling water supply device further comprises: a constant pressure water replenishing device; the constant-pressure water replenishing device is arranged on a pipeline connected with the circulating water pump and the hydraulic motor.
4. The cooling device applied to the fully mechanized coal mining face according to claim 3, wherein a trumpet-shaped gas collecting pipeline is arranged at an air inlet of the air cooler, and a filter screen is arranged in the gas collecting pipeline.
5. The cooling device applied to the fully mechanized mining face of claim 4, wherein an air outlet pipe is arranged in the air outlet, and the air outlet pipe of each guide-in pipe faces to the central axis of the mine; a water collecting tank is arranged below the air outlet pipe and connected with a water guide pipe, and the water guide pipe and the inlet pipe are arranged in parallel.
6. The cooling device applied to the fully mechanized mining face of claim 5, wherein the inlet pipe is provided with an encircling hoop, the encircling hoop is provided with an arc-shaped fastening hoop, and the water conduit is mounted on the inlet pipe through the arc-shaped fastening hoop.
7. The cooling device applied to the fully mechanized mining face of claim 6, wherein an L-shaped sealing pad is arranged between the air outlet and the air outlet pipe, a sinking platform is arranged at one end of the air outlet pipe connected with the air outlet, and the L-shaped sealing pad is pressed between the sinking platform and the side wall of the air outlet.
8. The cooling device applied to the fully mechanized mining face of claim 7, wherein the heat exchanger group comprises a plurality of coils which are arranged in a cross manner, and the coils are sequentially connected in a direction gradually away from the fan; the pipeline of each row of the coiled pipes is provided with a plurality of extension pipes, and the tail ends of the extension pipes are extended to the pipelines of the adjacent rows.
9. The cooling device applied to the fully mechanized mining face of claim 8, wherein the surfaces of the diversion pipeline and the inlet pipe are coated with a heat insulation film.
10. The cooling device applied to the fully mechanized mining face of claim 9, wherein an axial flow fan is disposed in the power channel and at a distal end of the inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067089.7U CN213063645U (en) | 2020-09-20 | 2020-09-20 | Be applied to cooling equipment who combines to adopt working face |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067089.7U CN213063645U (en) | 2020-09-20 | 2020-09-20 | Be applied to cooling equipment who combines to adopt working face |
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| Publication Number | Publication Date |
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| CN213063645U true CN213063645U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022067089.7U Active CN213063645U (en) | 2020-09-20 | 2020-09-20 | Be applied to cooling equipment who combines to adopt working face |
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- 2020-09-20 CN CN202022067089.7U patent/CN213063645U/en active Active
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