CN108049872A - A kind of surface mine dumping plough dust removal method - Google Patents
A kind of surface mine dumping plough dust removal method Download PDFInfo
- Publication number
- CN108049872A CN108049872A CN201711284586.9A CN201711284586A CN108049872A CN 108049872 A CN108049872 A CN 108049872A CN 201711284586 A CN201711284586 A CN 201711284586A CN 108049872 A CN108049872 A CN 108049872A
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- China
- Prior art keywords
- dedusting
- dust removal
- water
- dumping plough
- spraying machine
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005507 spraying Methods 0.000 claims abstract description 58
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 239000003595 mist Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 238000005453 pelletization Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005266 casting Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Prevention Of Fouling (AREA)
Abstract
The invention discloses a kind of surface mine dumping plough dust removal methods, using penetrating mist process of cleaning and by the way of spray dedusting method is combined, the mist process of cleaning of penetrating is that dedusting air-assisted type spraying machine is installed in discharge arm lower part, and dedusting air-assisted type spraying machine is mounted at 20 meters from discharging point horizontal distance of discharge arm lower part；Spray dedusting method is to install nozzle in discharge arm head portion, and nozzle is connected with dedusting waterpipe.Present invention employs the modes for penetrating mist dedusting and spraying and dedusting is combined to be applied to surface mine dumping plough dust pelletizing system, spraying and dedusting is used for head discharge dedusting, the spraying machine of discharge arm lower part is mounted on fixed position, it is relatively fixed with the distance that ensures to spray and spraying machine need not be set because frequently being moved during the movement of discharge arm, this method can play better inhibitory action to the reentrainment of dust generated after dumping plough blanking, and practice effect is apparent.
Description
Technical field
The present invention relates to a kind of surface mine dumping plough dust removal method, dust removal method when being specially casting machine operation belongs to
In dedusting technology field.
Background technology
The place of Open Pit Mines At Home And Abroad casting at present is more single using dumping plough dust removal method, is mainly removed with expecting that mouth sprays
Based on dirt and discharge arm head portion spraying and dedusting.Its major defect is that water consumption is difficult to control：Easily caused when water is more belt deviation,
Skidding and material mouth putty；Airborne dust is big when water is few, and dust removing effects are poor.
Processing capacity reaches 8500-10000t/h, dumping plough discharging when Taiyuan Iron and Steel Co. Yuan Jia villages iron ore adhesive tape row's rock dumping plough is small
For portable, open discharge way, discharging drop is big, and floor space and accumulating amount are big, and material size distribution is broader,
In containing a large amount of easily floated everywhere under wind-force effect by the dust that wind raises cause secondary pollution, to raise dust carry out it is comprehensive
Trapping is a problem.
In view of the above circumstances, it is necessary to which a kind of dust removal method of new suitable surface mine large size dumping plough of research and design, subtracts
The few influence of dumping plough discharging point dust and airborne dust secondary pollution to environment.
The content of the invention
The present invention is intended to provide a kind of surface mine dumping plough dust removal method, raising of being generated in dumping plough discharging process is reduced
Influence of the reentrainment of dust to environment after dirt and blanking inhibits dust to greatest extent, reduces pollution.
The present invention provides a kind of surface mine dumping plough dust removal methods, are mutually tied with spray dedusting method using mist process of cleaning is penetrated
The mode of conjunction, the mist process of cleaning of penetrating is that dedusting air-assisted type spraying machine is installed in discharge arm lower part, dedusting air-assisted type spraying machine peace
At 20 meters from discharging point horizontal distance of discharge arm lower part, since discharge arm can move up and down, weight bearing area from
At 20 meters of discharging point, dedusting air-assisted type spraying machine fixed frame is adapted to fit；Spray dedusting method is to install nozzle in discharge arm head portion,
Nozzle is connected with dedusting waterpipe.
Above-mentioned dust removal method comprises the following steps：
Dedusting air-assisted type spraying machine is opened when material is transported to dumping plough dump car, is sequentially：Open pipeline valve-unlatching
Dedusting air-assisted type spraying machine fan-unlatching dedusting air-assisted type spraying machine water pump, it is 7-10t/h that water pump, which controls flow,；According to discharge
The difference of belt speed and the variation of material blanking point position, adjustable spraying machine pitch angle.
In the above method, the power of the dedusting air-assisted type spraying machine is 30kW, spraying machine can rotate 0 in the horizontal direction ~
320 °, horizontal maximum range is 60 meters, and pitch angle is -10 ° ~ 40 °, flow 7-10t/h.Further, the dedusting wind
The regulative mode of assisted type spraying machine is adjusted for remote control.
The dedusting air-assisted type spraying machine is connected with discharge arm by fixed frame, and the fixed frame is cuboid framework knot
Structure is fixed frame body frame using 160mm channel steels, and main body frame includes four columns, two crossbeams, four bearing diagonal legs；
Fixed frame is connected with discharge arm by four hangers.The height of the column of the fixed frame is 2900mm；The width of crossbeam is
2640mm；The length of bearing diagonal leg is 1000mm；Hanger does main body using 20mm steel plates, and neutral surface is eight pieces, and size is
500*700mm, bottom plate are four pieces, size 500*560mm, and coupling part is connected to discharge arm bottom with 8 bolts of 30*350mm
Portion.
Above-mentioned dumping plough dedusting spraying machine selection ground：
1）When dumping plough is small 8500 t/h of withdrawal rate and more than；
2）Distance is fixedly mounted in spraying machine（At 20 meters from discharging point）, horizontal range is moderate, too small, and dust removing effects are bad, excessive,
Water is bad to be controlled and influences refuse dump sedimentation；
3）Tailing dam refuse dump spring and autumn measuring wind speed：Highest wind-force is up to 6 grades or more high wind（Wind speed is in 10.8-13.8m/s）；
Can 320 ° of adjustable spraying machine angles be rotated horizontally according to wind vector simultaneously,
4）The supply of clean circulating water.
The depositing dust principle of spraying machine：Increased principle can be agglomerated by Nian Jie with water using airborne dust, allows tiny powder
Dirt is interacted by isometrical water droplet, reduces the tension of water surface, dust particles is made to be condensed with water mist agglomerating, in gravity
Under, drop to ground.
In the above method, a diameter of 6mm of the nozzle, the flow of each nozzle is 2.5t/h.
In the above method, dedusting waterpipe connection nozzle, water in dust removal pipeline-used water is taken at ore dressing clean circulating water, configures 2 45m
3 vertical centrifugal pumps, lift 180m, using a-worker-a-backup way of supplying water, water supply reaches more than 20t/h platforms.
Further, the dedusting waterpipe includes supervisor and branch pipe, and water in dust removal supervisor is ∮ 133mm pipelines, from centrifugal pump
Waterpipe to refuse dump is responsible for for water in dust removal, a ∮ 50mm water receiving ball valve is being filled close to every 50 meter ampere at dumping plough, convenient for row
The connection of cleaning shaft after native machine movement；Water in dust removal branch pipe is ∮ 50mm pipelines, is arranged in parallel with dumping plough discharge arm, water in dust removal
Branch pipe connects water in dust removal by ball valve and is responsible for.
Beneficial effects of the present invention：
（1）The present invention can be swung with the variation of discharge arm position using dedusting air-assisted type spraying machine, be ensured that spraying distance is opposite
It fixes and need not frequently be moved due to the movement of discharge arm and set spraying machine；According to the difference of discharge belt speed, material blanking point
Spraying machine pitch angle is adjusted in the variation of position；Can 320 ° of adjustable spraying machine angles be rotated horizontally according to wind vector simultaneously,
To realize the dust removing effects for inhibiting reentrainment of dust.
（2）The present invention installs 4 nozzles in dumping plough discharge arm above-head, and nozzle diameter 6mm sprays effective distance
For 20m, it can effectively inhibit dumping plough and arrange the dust that material top has been swung.
（3）Water in dust removal pipeline laying is in dumping plough body, and dumping plough material feeding belt is to discharge skin along the main fortune barrow bands of P01
Band, main fortune barrow band water-connecting valve and dumping plough material feeding belt water-connecting valve, discharge arm water-connecting valve and Environmental-protecting dust-removing air-assisted type spraying machine
It is connected using hose between water-connecting valve, is moved convenient for dump car and discharge arm.
Description of the drawings
Fig. 1 is the structure diagram of casting dust removal device.
Fig. 2 is the schematic diagram for being laid with dedusting waterpipe.
1 is discharge arm in figure, and 2 be dedusting air-assisted type spraying machine, and 3 be discharging point, and 4 be fixed frame, and 5 be pump works, 6 be except
Dirt water is responsible for, and 7 be water in dust removal branch pipe, and 8 be dumping plough, and 9 be ball valve, and 10 be sealing-tape machine.
Specific embodiment
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment：
As shown in Figure 1 and 2, the present invention using dumping plough cleaner carry out dedusting, a kind of surface mine dumping plough dust removal method,
Using penetrating mist process of cleaning and by the way of spray dedusting method is combined, the mist process of cleaning of penetrating is to install dedusting in 1 lower part of discharge arm
Air-assisted type spraying machine 2, dedusting air-assisted type spraying machine 2 are mounted at 20 meters from 3 horizontal distance of discharging point of 1 lower part of discharge arm, due to
Discharge arm 1 can move up and down, and weight bearing area is adapted to fit dedusting air-assisted type spraying machine and fixes at 20 meters from discharging point
Frame 4；Spray dedusting method is to install nozzle 5 on 1 head of discharge arm, and nozzle 5 is connected with dedusting waterpipe.
The structure of casting dust removal device is shown in Fig. 1, dedusting air-assisted type spraying machine, control are installed in head roller lower part
The airborne dust of blanking operation processed.
Fig. 2 is the arrangement schematic diagram of dedusting waterpipe, and water in dust removal main pipeline is drawn from plant area's pump works 5, P01 sealing-tape machines 10
Along wire routing water in dust removal pipeline, a water receiving valve is added every 50m.
The present invention is as follows using the operating procedure of dumping plough cleaner：
1st, dumping plough is ensured in strip fore head nozzles clear, the flow of each nozzle is 2.5t/h；
2nd, dedusting air-assisted type spraying machine 1 is opened when material is to dumping plough dump car, is sequentially：Unlatching pipeline valve-open
Dedusting air-assisted type spraying machine fan-unlatching dedusting air-assisted type spraying machine water pump is opened, it is 7-10t/h that water pump, which controls flow,；According to row
Expect the difference of belt speed and the variation of material blanking point position, adjustable spraying machine pitch angle；It simultaneously can be according to wind vector
320 ° of adjustable spraying machine angles are rotated horizontally, regulative mode is adjusted for remote control.
In the above method, the power of the dedusting air-assisted type spraying machine 2 is 30kW, spraying machine can rotate 0 in the horizontal direction ~
320 °, horizontal maximum range is 60 meters, and pitch angle is -10 ° ~ 40 °, flow 7-10t/h.Further, the dedusting wind
The regulative mode of assisted type spraying machine is adjusted for remote control.
The dedusting air-assisted type spraying machine 2 is connected with discharge arm 1 by fixed frame 4, and the fixed frame 4 is cuboid frame
Frame structure is fixed frame body frame using 160mm channel steels, and main body frame includes four columns, two crossbeams, four bearing diagonals
Leg；Fixed frame is connected with discharge arm by four hangers.The height of the column of the fixed frame is 2900mm；The width of crossbeam is
2640mm；The length of bearing diagonal leg is 1000mm；Hanger does main body using 20mm steel plates, and neutral surface is eight pieces, and size is
500*700mm, bottom plate are four pieces, size 500*560mm, and coupling part is connected to discharge arm bottom with 8 bolts of 30*350mm
Portion.
Above-mentioned dumping plough dedusting spraying machine selection ground：
1）When dumping plough is small 8500 t/h of withdrawal rate and more than；
2）Distance is fixedly mounted in spraying machine（At 20 meters from discharging point）, horizontal range is moderate, too small, and dust removing effects are bad, excessive,
Water is bad to be controlled and influences refuse dump sedimentation；
3）Tailing dam refuse dump spring and autumn measuring wind speed：Highest wind-force is up to 6 grades or more high wind（Wind speed is in 10.8-13.8m/s）；
Can 320 ° of adjustable spraying machine angles be rotated horizontally according to wind vector simultaneously,
4）The supply of clean circulating water.
The depositing dust principle of spraying machine：Increased principle can be agglomerated by Nian Jie with water using airborne dust, allows tiny powder
Dirt is interacted by isometrical water droplet, reduces the tension of water surface, dust particles is made to be condensed with water mist agglomerating, in gravity
Under, drop to ground.
In the above method, a diameter of 6mm of the nozzle, the flow of each nozzle is 2.5t/h.It is parallel in discharge arm side
Dedusting waterpipe is laid, 4 atomizers is added, blanking is drenched, plays the role of dust suppression.
In the above method, dedusting waterpipe connection nozzle, water in dust removal pipeline-used water is taken at ore dressing clean circulating water, configures 2 45m
3 vertical centrifugal pumps, lift 180m, using a-worker-a-backup way of supplying water, water supply reaches more than 20t/h platforms.
Further, the dedusting waterpipe includes supervisor and branch pipe, and water in dust removal supervisor 6 is ∮ 133mm pipelines, from centrifugation
It pumps to the waterpipe of refuse dump and is responsible for for water in dust removal, filling a ∮ 50mm water receiving ball valve close to every 50 meter ampere at dumping plough, be convenient for
The connection of cleaning shaft after dumping plough movement；Water in dust removal branch pipe 7 is ∮ 50mm pipelines, is arranged in parallel, removes with dumping plough discharge arm 1
Dirt water branch pipe 7 connects water in dust removal supervisor 6 by ball valve 9.
The a length of 6920m of dedusting waterpipe, wherein the water in dust removal main pipeline from centrifugal pump to refuse dump is managed with ∮ 133mm
Road, a length of 4500m, the ∮ 133mm pipe ranges in P01 adhesive tapes drive end unit portion to the end is 1500 meters, and ∮ 108mm pipe ranges are 500 meters, ∮ 50mm
Pipe range is 300 meters；Dumping plough discharge arm is arranged in parallel with ∮ 50mm water in dust removal branch pipes, a length of 120m；Prolong every 50 meters of P01 main pipelines
One ∮ 50mm water receiving ball valve is installed, the connection of cleaning shaft after being moved convenient for dumping plough.
Dust removing effects describe：
1st, do not come into operation before dust removal installation, when arrange rock amount 8500t/h and more than when, Dust Capacity is surveyed in the range of 3-5 meter of dumping plough
Data are more than 220mg/m3(national regulation Dust Capacity is more than 100mg/m3Long working is not allowed for).
2nd, after having used dust removal installation, Dust Capacity data in the range of 3-5 meters of dumping plough is surveyed and are down to 50 mg/m3Below；Row
Dust Capacity is 12 mg/m in the range of native 10 meters of machine3Below；Dust Capacity is 0.8-1.0 mg/m in the range of 20 meters of dumping plough3 。
Processing capacity reaches 8500-10000t/h, dumping plough discharging when Taiyuan Iron and Steel Co. Yuan Jia villages iron ore adhesive tape row's rock dumping plough is small
For portable, open discharge way, discharging drop is big, and floor space and accumulating amount are big, and material size distribution is broader,
In containing a large amount of easily floated everywhere under wind-force effect by the dust that wind raises cause secondary pollution.Invention applies opencuts
After the dumping plough dust removal method of mountain, effectively inhibit what large surface mine belt conveyor dumping machine generated in transport, discharge process
Problem of environmental pollution caused by dust and reentrainment of dust, dust removing effects are good.
Claims (9)
- It is special using penetrating mist process of cleaning and by the way of spray dedusting method is combined 1. a kind of surface mine dumping plough dust removal method Sign is：The mist process of cleaning of penetrating is that dedusting air-assisted type spraying machine is installed in discharge arm lower part, the installation of dedusting air-assisted type spraying machine At 20 meters from discharging point horizontal distance of discharge arm lower part；Spray dedusting method is to install nozzle in discharge arm head portion, and nozzle is with removing Dirt waterpipe connects.
- 2. surface mine dumping plough dust removal method according to claim 1, it is characterised in that：Comprise the following steps：Dedusting air-assisted type spraying machine is opened when material is transported to dumping plough dump car, is sequentially：Open pipeline valve-unlatching Dedusting air-assisted type spraying machine fan-unlatching dedusting air-assisted type spraying machine water pump, it is 7-10t/h that water pump, which controls flow,；According to discharge The difference of belt speed and the variation of material blanking point position, adjustable spraying machine pitch angle.
- 3. surface mine dumping plough dust removal method according to claim 1, it is characterised in that：The dedusting wind spraying aid type spraying The power of machine is 30kW, and spraying machine can rotate 0 ~ 320 ° in the horizontal direction, and horizontal maximum range is 60 meters, and pitch angle is -10 ° ~ 40 °, flow 7-10t/h.
- 4. surface mine dumping plough dust removal method according to claim 3, it is characterised in that：The dedusting wind spraying aid type spraying The regulative mode of machine is adjusted for remote control.
- 5. surface mine dumping plough dust removal method according to claim 1, it is characterised in that：Dedusting air-assisted type spraying machine with Discharge arm is connected by fixed frame, and the fixed frame is cuboid framework structure, is fixed frame body frame using 160mm channel steels Frame, main body frame include four columns, two crossbeams, four bearing diagonal legs；Fixed frame is connected with discharge arm by four hangers.
- 6. surface mine dumping plough dust removal method according to claim 5, it is characterised in that：The column of the fixed frame Highly it is 2900mm；The width of crossbeam is 2640mm；The length of bearing diagonal leg is 1000mm；Hanger does main body using 20mm steel plates, Its neutral surface is eight pieces, size 500*700mm, and bottom plate is four pieces, size 500*560mm, coupling part 30*350mm 8 bolts are connected to discharge arm bottom.
- 7. surface mine dumping plough dust removal method according to claim 1, it is characterised in that：The nozzle it is a diameter of 6mm, the flow of each nozzle is 2.5t/h.
- 8. surface mine dumping plough dust removal method according to claim 1, it is characterised in that：Water in dust removal pipeline-used water source In ore dressing clean circulating water, 2 45m3 vertical centrifugal pumps are configured, lift 180m, using a-worker-a-backup way of supplying water, water supply reaches It is more than 20t/h platforms.
- 9. surface mine dumping plough dust removal method according to claim 8, it is characterised in that：The dedusting waterpipe includes Supervisor and branch pipe, water in dust removal supervisor is ∮ 133mm pipelines, is responsible for from centrifugal pump to the waterpipe of refuse dump for water in dust removal, close Every 50 meter ampere fills a ∮ 50mm water receiving ball valve at dumping plough, the connection of cleaning shaft after being moved convenient for dumping plough；Water in dust removal branch pipe It for ∮ 50mm pipelines, is arranged in parallel with dumping plough discharge arm, water in dust removal branch pipe connects water in dust removal by ball valve and is responsible for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284586.9A CN108049872B (en) | 2017-12-07 | 2017-12-07 | A kind of surface mine dumping plough dust removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284586.9A CN108049872B (en) | 2017-12-07 | 2017-12-07 | A kind of surface mine dumping plough dust removal method |
Publications (2)
| Publication Number | Publication Date |
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| CN108049872A true CN108049872A (en) | 2018-05-18 |
| CN108049872B CN108049872B (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711284586.9A Active CN108049872B (en) | 2017-12-07 | 2017-12-07 | A kind of surface mine dumping plough dust removal method |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569144A (en) * | 2018-12-18 | 2019-04-05 | 招金矿业股份有限公司蚕庄金矿 | A kind of Tailings Dam spray system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235319A1 (en) * | 1986-02-27 | 1987-09-09 | Bergwerksverband GmbH | Spraying installation for heading machines |
| CN2396179Y (en) * | 1999-10-19 | 2000-09-13 | 兖矿集团有限公司 | High-pressure spray duster for drum coal cutting machine |
| CN202707058U (en) * | 2012-07-16 | 2013-01-30 | 天津赛瑞机器设备有限公司 | Atomizing de-dusting system for heading machine |
| CN102926755A (en) * | 2012-11-16 | 2013-02-13 | 鞍钢集团矿业公司 | Dust-suppression and rock-discharge system utilizing tailing slurry and dust-suppression and rock-discharge method |
| CN103912277A (en) * | 2014-04-01 | 2014-07-09 | 西安科技大学 | High-efficiency dust fall device and method of underground coal mine fully-mechanized excavating tunnel |
| CN203716965U (en) * | 2013-12-30 | 2014-07-16 | 凯盛重工有限公司 | Water system for heading machine |
| CN204249098U (en) * | 2014-11-13 | 2015-04-08 | 福建南方路面机械有限公司 | Windrow airborne dust spraying and dust-removing system and comprise the concrete mixing plant of this system |
| CN204619614U (en) * | 2015-01-26 | 2015-09-09 | 方义飞 | For air-assisted type spraying machine and the wind spraying aid type sprayer unit thereof of dedusting |
-
2017
- 2017-12-07 CN CN201711284586.9A patent/CN108049872B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235319A1 (en) * | 1986-02-27 | 1987-09-09 | Bergwerksverband GmbH | Spraying installation for heading machines |
| CN2396179Y (en) * | 1999-10-19 | 2000-09-13 | 兖矿集团有限公司 | High-pressure spray duster for drum coal cutting machine |
| CN202707058U (en) * | 2012-07-16 | 2013-01-30 | 天津赛瑞机器设备有限公司 | Atomizing de-dusting system for heading machine |
| CN102926755A (en) * | 2012-11-16 | 2013-02-13 | 鞍钢集团矿业公司 | Dust-suppression and rock-discharge system utilizing tailing slurry and dust-suppression and rock-discharge method |
| CN203716965U (en) * | 2013-12-30 | 2014-07-16 | 凯盛重工有限公司 | Water system for heading machine |
| CN103912277A (en) * | 2014-04-01 | 2014-07-09 | 西安科技大学 | High-efficiency dust fall device and method of underground coal mine fully-mechanized excavating tunnel |
| CN204249098U (en) * | 2014-11-13 | 2015-04-08 | 福建南方路面机械有限公司 | Windrow airborne dust spraying and dust-removing system and comprise the concrete mixing plant of this system |
| CN204619614U (en) * | 2015-01-26 | 2015-09-09 | 方义飞 | For air-assisted type spraying machine and the wind spraying aid type sprayer unit thereof of dedusting |
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| Publication number | Publication date |
|---|---|
| CN108049872B (en) | 2019-07-09 |
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