CN103643981A - Coal working face temperature-reduction and dust-removal control device - Google Patents

Coal working face temperature-reduction and dust-removal control device Download PDF

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Publication number
CN103643981A
CN103643981A CN201310544782.0A CN201310544782A CN103643981A CN 103643981 A CN103643981 A CN 103643981A CN 201310544782 A CN201310544782 A CN 201310544782A CN 103643981 A CN103643981 A CN 103643981A
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China
Prior art keywords
air
coal
air cooler
equipment
spraying
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CN201310544782.0A
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Chinese (zh)
Inventor
李西安
苗德俊
葛星
冯步欣
曹毅
宋迪
王诗海
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN201310544782.0A priority Critical patent/CN103643981A/en
Publication of CN103643981A publication Critical patent/CN103643981A/en
Pending legal-status Critical Current

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Abstract

A coal working face temperature-reduction and dust-removal control device comprises a local refrigerating unit, a cooling water circulation device, a tail end air cooler and an automatic ventilation door device, wherein the local refrigerating unit is placed at the tail end of a coal working face air inlet way, the tail end air cooler is placed in a vacant place, the local refrigerating unit and the tail end air cooler are connected through a cooling water pipe, the cooling water pipe transfers refrigerating capacity produced by the local refrigerating unit to the tail end air cooler, and the automatic ventilation door device control switching on and off of the tail end air cooler. When an operator enters a control range of the tail end air cooler, the ventilation door is opened, and temperature reduction and dust removal are performed on the local environment, and when the operator goes out of the control range of the tail end air cooler, the ventilation door is closed automatically. The utilization efficiency of the temperature-reduction and dust-removal control device is improved by performing reasonable local temperature-reduction and dust-removal control on the tail end air cooler, good temperature-reduction and dust-removal effects are ensured, and the water of the refrigerating capacity is also reduced.

Description

Coal-face cooling dedusting control appliance
Technical field
The present invention relates to a kind of cooling dedusting control appliance, relate in particular to a kind of coal-face cooling dedusting control appliance.
Background technology
Chinese patent application 200610069373.X discloses and has been suitable for a kind of mine working face cooling system that working surface of deep well high temperature hot environment cooling is processed, and ground refrigeration unit and cooling water circulation equipment, cold wind preparation facilities, cold wind transfer pipeline, consists of.Its technical scheme adopting is mainly, and prepares cold wind, and deliver to mining face under mine and lower the temperature by ground refrigeration system and cooling water recirculation system etc.Its advantage is, utilizes chilled water spray to realize Wind Volume, the large temperature difference, large enthalpy difference and processes and prepare cold wind, can reduce heat exchanging process number of times, reduces heat transfer temperature difference, improves whole efficiency, reduces the waste of pilot process cold.
Technique scheme does not relate to the technical problem how coal-face dust is processed.
But also there is deficiency to a certain degree in technique scheme: on the one hand because it need to be lowered the temperature to whole work plane, increased energy charge, and then affected the cooling efficiency of coal-face to a certain extent meaninglessly; On the other hand, its air supplying distance is long, has more cold consumption or loss.
In reality, for the special operation environment of coal-face, effectively dedusting is indispensable with cooling.
Summary of the invention
The object of the invention is, a kind of control appliance of the dedusting one of lowering the temperature is provided, it adopts automatic control means, by shortening cooling water fed distance and for operating personnel, coal-face being carried out the working method of the local dedusting of cooling automatically, guaranteeing on the basis of cooling-down effect, improve the utilization ratio of cold, reduce energy loss.
How the technical problem to be solved in the present invention, to the coal-face dedusting of rationally lowering the temperature, guaranteeing, on the basis of cooling-down effect, to improve the utilization ratio of cold, reduce the technical problem of energy loss as far as possible.
The present invention is that a kind of coal-face cooling dedusting control appliance, comprises local refrigeration unit, cooling water recirculation system, end air cooler equipment, self closing door equipment for solving the technical scheme of above-mentioned technology employing; Wherein, local refrigeration unit comprises compressor 4, cold-producing medium delivery pump 8, condenser 3, expansion valve 2, heat exchanger 5 and clarified water pump 7; It is characterized in that,
Described local refrigeration unit 1 and cooling water circulation equipment are in turn connected to form a closed circuit circulatory system by compressor 4, condenser 3, cold-producing medium delivery pump 8, expansion valve 2 and heat exchanger 5;
Described cooling water circulation equipment is connected with external refrigeration water system by described clarified water pump 7, for to described condenser 3 feed cooling waters;
Described end air cooler equipment 6 comprises air intake grid 15, air intake 28, spraying comb 16, centrifugal spray mouth 17, blower fan 39, watertight shutter 20, air outlet 27, and it utilizes the chilled water spraying that refrigeration unit 1 is produced to lower the temperature and dust removal process to air simultaneously;
One side of described end air cooler equipment 6 is air intakes 28, and air intake 28 places are provided with air intake grid 15, and a side relative with air intake 28 is air outlet 27;
Described spraying comb 16 is standpipes in a row between air intake 28 and air outlet 27, and described spraying comb 16 is connected with chilled water water inlet pipe 21, and described chilled water water inlet pipe 21 goes out pipe 12 with the cold water of local refrigeration unit heat exchanger 5 and is connected;
Described centrifugal spray mouth 17 is arranged on described spraying comb 16;
The below of described spraying comb 16 is provided with spraying falling pond 23, and the inside of described spraying falling pond 23 is provided with outlet pipe 22;
Described outlet pipe 22 is connected with the chilled water entrance of the heat exchanger 5 of described local refrigeration unit by strainer 38, water pump 9;
Described blower fan 39 comprises draught fan impeller 18 and explosion-proof waterproof machine 19, and it is between described spraying comb 16 and described air outlet 27;
Described watertight shutter 20 is positioned at a side of described air outlet 27; Described air outlet 27 is connected with the air door 29 of described self closing door equipment;
Described self closing door equipment includes air door 29, and the sensor 31, control system 32 and the power source 33 that connect successively that for controlling this air door 29, open and close.
As preferably, above-mentioned local refrigeration unit 1 and described end air cooler equipment 6 separated settings, and connect by cooling water pipe;
Described local refrigeration unit 1 is arranged in coal-face air intake lane end, and described end air cooler equipment 6 is arranged on clear position place between the hydraulic support 49 of coal-face;
Described end air cooler equipment 6 includes several air coolers, and its concrete quantity is selected as required.
Further preferably, have a plurality of spraying combs 16 that are set up in parallel in each air cooler of above-mentioned end air cooler equipment 6, each spraying comb 16 includes many groups and is between two symmetrical centrifugal spray mouth 17 in the other direction.
Further preferably, above-mentioned blower fan 39 for provide blast head and spraying is processed after air dehydration; The material of above-mentioned watertight shutter 20 is glass fiber reinforced plastic or PVC.
Further preferably, above-mentioned heat exchanger 5 is plate exchanger or pipe-coil type evaporator, for the preparation of chilled water.
Further preferably, the sewage of above-mentioned blow-off pipe 25 enters sump 26.
Further preferably, the air door 29 of above-mentioned self closing door equipment is shaped as rectangle or square.
Further preferably, the sensor 31 of above-mentioned self closing door equipment is selected infrared inductor or microwave radar.
Further preferably, the control system 32 of above-mentioned self closing door equipment includes control panel, and described control panel carries out the control opening or closing of air door 29 for automatic/hand.
Coal-face cooling dedusting control appliance of the present invention has following useful technique effect:
Cooling dedusting equipment integrating can be realized cooling and dust removal process simultaneously;
By shortening cooling water fed distance and for operating personnel, coal-face being carried out to the part dedusting of automatically lowering the temperature, can improve coal-face cooling-down effect, effectively reduce unnecessary energy loss.
Accompanying drawing explanation
Fig. 1 is coal-face cooling dedusting control appliance of the present invention and coal-face relative position relation schematic diagram;
Fig. 2 is coal-face cooling dedusting control appliance operating principle structural representation of the present invention;
Fig. 3 is end air cooler equipment and the self closing door equipment structure chart of coal-face cooling dedusting control appliance of the present invention;
Fig. 4 is the control panel structural representation of the control system of coal-face cooling dedusting control appliance of the present invention.
In figure: the local refrigeration unit of 1-; 2-expansion valve; 3-condenser; 4-compressor; 5-heat exchanger; 6-end air cooler equipment; 7-clarified water pump; 8-cold-producing medium delivery pump; 9-water pump; 10-coal seam; 11-cold water inlet pipe; 12-cold water goes out pipe; 13-goaf; 14-explosion-resistant enclosure; 15-air intake grid; The 16-comb of spraying; 17-centrifugal spray mouth; 18-draught fan impeller; The explosion-proof waterproof machine of 19-; 20-watertight shutter; 21-chilled water water inlet pipe; 22-outlet pipe; The 23-falling pond of spraying; 24-automatic makeup water pipe; 25-blow-off pipe; 26-blowdown tank; 27-air outlet; 28-air intake; 29-air door; 30-sensor sensing line; 31-sensor; 32-control system; 33-power source; 34-controller switches; 35-function key; 36-display screen; 37-keyboard.
The specific embodiment
A kind of coal-face cooling dedusting control appliance, by local refrigeration unit, produce chilled water, chilled water arrives end air cooler equipment by cooling water pipe, chilled water in air cooler to the air dust removal process of lowering the temperature, utilize blower fan that cold wind is sent into coal-face, and by self closing door equipment, controlled the conveying of cold wind.
Fig. 1 is coal-face cooling dedusting control appliance of the present invention and coal-face relative position relation schematic diagram.As shown in Figure 1, local refrigeration unit 1 is arranged in coal-face air intake lane end, and end air-conditioner 6 is arranged on clear position place between the hydraulic support 49 of coal-face, local refrigeration unit 1 and end air cooler equipment 6 apart arrangement; Wherein, local refrigeration unit 1 and cold water inlet pipe 11, end air-conditioner 6, air door 29, cold water go out pipe 12 and are connected successively.
Fig. 2 is coal-face cooling dedusting control appliance operating principle structural representation of the present invention.As shown in Figure 2, local refrigeration unit 1 is in turn connected to form a closed circuit circulatory system by compressor 4, condenser 3, cold-producing medium delivery pump 8, expansion valve 2 and heat exchanger 5;
Cooling water circulation equipment is connected with external refrigeration water system by clarified water pump 7, for to described condenser 3 feed cooling waters;
Compressor 4 sucks the low-pressure gaseous refrigerant that absorbed heat requirement boil down to high-pressure and high-temperature steam, by the condenser in local refrigeration unit 1, transfers heat to cooling water, and cold-producing medium becomes cryogenic high pressure liquid simultaneously.Then the cold-producing medium under cryogenic high pressure state enters heat exchanger 5 by expansion valve 2.Cold-producing medium is sent into heat exchanger 5 by cold-producing medium delivery pump 8, in heat exchanger 5, by evaporation, is freezed/is absorbed heat, and the chilled water in the interior another passage of heat exchanger 5 is cooled.Spraying comb 6 is in turn connected to form a closed cycle with strainer 38, water pump 9 heat exchangers 5, and spraying comb 6 is provided with blower fan 39 for outside air-supply near air outlet one side.
Fig. 3 is end air cooler equipment and the self closing door equipment structure chart of coal-face cooling dedusting control appliance of the present invention.As shown in Figure 3, end air cooler equipment 6 utilizes chilled water spraying that local refrigeration unit 1 produces air lower the temperature and the processing of dedusting two aspects, and end air cooler equipment 6 comprises air intake grid 15, air intake 28, spray comb 16, centrifugal spray mouth 17, blower fan 39, watertight shutter 20, air outlet 27; One side of end air cooler equipment 6 is air intakes 28, air intake grid 15 is positioned at air intake 28 places, a side relative with air intake 28 is air outlet 27, spraying comb 16 is standpipes in a row between air intake 28 and air outlet 27, each comb 16 of spraying is connected with chilled water water inlet pipe 21, water inlet pipe 21 goes out pipe 12 with the cold water of local refrigeration unit heat exchanger 5 and is connected, and centrifugal spray mouth 17 is arranged on spraying comb 16; Spraying falling pond 23 is positioned at the below of spraying comb 16, and inside is provided with outlet pipe 22; Outlet pipe 22 is connected with the strainer 38 in Fig. 2, water pump 9 is connected with the heat exchanger 5 chilled water entrances of local refrigeration unit;
Wherein, end air cooler equipment 6 includes several air coolers, and its concrete quantity is selected as required.
As shown in Figure 2 and Figure 3, the blower fan 39 being mainly comprised of draught fan impeller 18 and explosion-proof waterproof machine 19 is arranged between spraying comb 16 and air outlet 27, between blower fan 39 and air outlet 27, watertight shutter 20 is installed; Watertight shutter 20 is positioned at a side of blower fan 39 air outlets 27; Air outlet 27 is connected with the air door 29 of described self closing door equipment.
Local refrigeration unit provides the chilled water of 5 ℃ of left and right, the interior chilled water of air cooler equipment 6 passes through spraying comb 16 and centrifugal spray mouth 17 under Water Pressure endways, spray mist formation scatters, air fully contacts with chilled water, temperature drops to 7 ℃ of left and right by 35 ℃ of left and right, and air reaches the object of cooling dedusting by this process.Because the air-flow velocity of equipment is very fast, the air after atomizing spray will inevitably be seriously with water, and air, through blower fan place, utilizes the centrifugal action of blower fan and the watertight shutter of air cooler 6 afterbodys, jointly air is carried out to processed.Blower fan makes to produce and form negative pressure in air cooler, produces distinguished and admirablely, makes air by air intake air intake, by air outlet.
Described self closing door equipment comprises air door 29, sensor 31, control system 32, power source 33; Sensor 31, control system 32, power source 33 connect successively, control the switching of air door 29.
Fig. 4 is the control panel structural representation of the control system of coal-face cooling dedusting control appliance of the present invention.As shown in Figure 4, coal-face cooling dedusting control appliance of the present invention, on the control panel of its control system 32, include controller switches 34, function key 35, display screen 36 and keyboard 37, wherein function key 35 provides " automatically " and " manually " two kinds of selection modes.
Control system 32 automatic control modes are as follows: the coal work at the end air cooler equipment 6 two ends upper respectively sensor installation 31 of facing the wall and meditating, in the two ends of air cooler 6 certain limit, form detection line, when operating personnel is entered by work plane either party, sensor 31 automatically detects and provides signal for control system 32, control system 32 is sent instruction, power source 33 energisings, air door 29 is opened.When operating personnel is gone out by the other end, sensor 31 is passed to control system 32 signal, and control system 32 is controlled power source 33, and air door 29 is closed.
Air door 29 can also manually be controlled, and " opening " " pass " key table in keyboard 37 shows the switching of air door 29, and numerical key represents the sequence number of corresponding that air cooler of a plurality of air coolers that comprises with end air cooler equipment 6.During use, press manipulated key, then press the sequence number that need to open air door, select " opening " key or " pass " key.Can select two or more air door 29 simultaneously.

Claims (9)

1. a coal-face cooling dedusting control appliance, comprises local refrigeration unit, cooling water recirculation system, end air cooler equipment, self closing door equipment; Wherein, local refrigeration unit comprises compressor (4), cold-producing medium delivery pump (8), condenser (3), expansion valve (2), heat exchanger (5) and clarified water pump (7); It is characterized in that,
Described local refrigeration unit (1) and cooling water circulation equipment are in turn connected to form a closed circuit circulatory system by compressor (4), condenser (3), cold-producing medium delivery pump (8), expansion valve (2) and heat exchanger (5);
Described cooling water circulation equipment is connected with external refrigeration water system by described clarified water pump (7), for to described condenser (3) feed cooling water;
Described end air cooler equipment (6) comprises air intake grid (15), air intake (28), spraying comb (16), centrifugal spray mouth (17), blower fan (39), watertight shutter (20), air outlet (27), and it utilizes the chilled water spraying that refrigeration unit (1) is produced to lower the temperature and dust removal process to air simultaneously;
One side of described end air cooler equipment (6) is air intake (28), and air intake (28) locates to be provided with air intake grid (15), and a side relative with air intake (28) is air outlet (27);
Described spraying comb (16) is to be positioned at standpipe in a row between air intake (28) and air outlet (27), described spraying comb (16) is connected with chilled water water inlet pipe (21), and described chilled water water inlet pipe (21) goes out pipe (12) with the cold water of local refrigeration unit heat exchanger (5) and is connected;
Described centrifugal spray mouth (17) is arranged on described spraying comb (16);
The below of described spraying comb (16) is provided with spraying falling pond (23), and the inside of described spraying falling pond (23) is provided with outlet pipe (22);
Described outlet pipe (22) is connected with the chilled water entrance of the heat exchanger (5) of described local refrigeration unit by strainer (38), water pump (9);
Described blower fan (39) comprises draught fan impeller (18) and explosion-proof waterproof machine (19), and it is positioned between described spraying comb (16) and described air outlet (27);
Described watertight shutter (20) is positioned at a side of described air outlet (27); Described air outlet (27) is connected with the air door (29) of described self closing door equipment;
Described self closing door equipment includes air door (29), and the sensor (31), control system (32) and the power source (33) that connect successively that for controlling this air door (29), open and close.
2. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, described local refrigeration unit (1) and the separated setting of described end air cooler equipment (6), and connect by cooling water pipe;
Described local refrigeration unit (1) is arranged in coal-face air intake lane end, and described end air cooler equipment (6) is arranged on clear position place between the hydraulic support (49) of coal-face;
Described end air cooler equipment (6) includes several air coolers.
3. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, in each air cooler of described end air cooler equipment (6), have a plurality of spraying combs (16) that are set up in parallel, each spraying comb (16) includes many groups and is between two symmetrical centrifugal spray mouth (17) in the other direction.
4. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, described blower fan (39) for provide blast head and spraying is processed after air dehydration; The material of described watertight shutter (20) is glass fiber reinforced plastic or PVC.
5. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, described heat exchanger (5) is plate exchanger or pipe-coil type evaporator, for the preparation of chilled water.
6. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that in described spraying falling pond (23), having automatic makeup water pipe (24) and blow-off pipe (25), the sewage of described blow-off pipe (25) enters sump (26).
7. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, the air door of described self closing door equipment (29) is shaped as rectangle or square.
8. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, the sensor (31) of described self closing door equipment is selected infrared inductor or microwave radar.
9. according to the coal-face cooling dedusting control appliance described in claims 1, it is characterized in that, the control system (32) of described self closing door equipment includes control panel, and described control panel carries out the control opening or closing of air door for automatic/hand.
CN201310544782.0A 2013-11-06 2013-11-06 Coal working face temperature-reduction and dust-removal control device Pending CN103643981A (en)

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CN201310544782.0A CN103643981A (en) 2013-11-06 2013-11-06 Coal working face temperature-reduction and dust-removal control device

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422161A (en) * 2015-11-19 2016-03-23 黄继梁 Underground work surface temperature reduction and dust removal system
CN107489441A (en) * 2017-08-22 2017-12-19 山东科技大学 Long range coal-face cooling system
CN109899082A (en) * 2019-03-28 2019-06-18 中铁工程装备集团有限公司 A kind of TBM dust removal by ventilation refrigeration system
CN110397465A (en) * 2019-06-28 2019-11-01 江南大学 A kind of coal working face full blast amount cooling system and method
CN112049678A (en) * 2020-09-22 2020-12-08 山东澳神热泵空调有限公司 Water-burst cooling cold-carrying air conditioning system for mine
CN112065496A (en) * 2020-09-22 2020-12-11 山东澳神热泵空调有限公司 Mine is with gushing water cooling direct cooling air conditioning system
CN112931392A (en) * 2021-01-31 2021-06-11 东营市万德海水养殖装备有限公司 Aquaculture cold water and cold air dual-system temperature control device
CN115095374A (en) * 2022-06-21 2022-09-23 中国矿业大学 Energy coupling system for mine cooling, sealed storage and heat pump heat extraction

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422161A (en) * 2015-11-19 2016-03-23 黄继梁 Underground work surface temperature reduction and dust removal system
CN105422161B (en) * 2015-11-19 2017-10-24 湖南有色冶金劳动保护研究院 A kind of working face in the pit temperature-reduction dust-removal system
CN107489441A (en) * 2017-08-22 2017-12-19 山东科技大学 Long range coal-face cooling system
CN107489441B (en) * 2017-08-22 2020-05-15 山东科技大学 Long-distance coal face cooling system
CN109899082A (en) * 2019-03-28 2019-06-18 中铁工程装备集团有限公司 A kind of TBM dust removal by ventilation refrigeration system
CN110397465A (en) * 2019-06-28 2019-11-01 江南大学 A kind of coal working face full blast amount cooling system and method
CN110397465B (en) * 2019-06-28 2024-03-26 江南大学 Full air volume cooling system and method for coal face
CN112049678A (en) * 2020-09-22 2020-12-08 山东澳神热泵空调有限公司 Water-burst cooling cold-carrying air conditioning system for mine
CN112065496A (en) * 2020-09-22 2020-12-11 山东澳神热泵空调有限公司 Mine is with gushing water cooling direct cooling air conditioning system
CN112931392A (en) * 2021-01-31 2021-06-11 东营市万德海水养殖装备有限公司 Aquaculture cold water and cold air dual-system temperature control device
CN115095374A (en) * 2022-06-21 2022-09-23 中国矿业大学 Energy coupling system for mine cooling, sealed storage and heat pump heat extraction
CN115095374B (en) * 2022-06-21 2023-08-18 中国矿业大学 Energy coupling system for mine cooling, sealing and storing heat and heat pump heating

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