CN109538280A - A kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer - Google Patents
A kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer Download PDFInfo
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- CN109538280A CN109538280A CN201811213154.3A CN201811213154A CN109538280A CN 109538280 A CN109538280 A CN 109538280A CN 201811213154 A CN201811213154 A CN 201811213154A CN 109538280 A CN109538280 A CN 109538280A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000003595 mist Substances 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 5
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000010883 coal ash Substances 0.000 claims 1
- 239000008400 supply water Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000008239 natural water Substances 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Separation Of Particles Using Liquids (AREA)
- Ventilation (AREA)
Abstract
The present invention provides a kind of self-pressing type temperature-reduction dust-removal systems using mine water-bearing layer, it is related to air-conditioning technique field, solves the technical issues of abandoned mine recycling carries out depositing dust cooling to air, the system includes mine laneway, ventilating mechanisms, the mechanism that fetches water and cooling dedusting mechanism, ventilating mechanisms are arranged in mine laneway, the mechanism that fetches water fetches water from mine top water-bearing layer, cooling dedusting mechanism is arranged in tunnel the water that mechanism obtains that will fetch water and is used for the dedusting that cools down, mine laneway mainly includes main shaft, auxiliary shaft, shaft station and main entry, ventilating mechanisms include blower, water intaking mechanism includes water guide drilling, flow control valve, water pressure monitoring device and port seal, the dedusting mechanism that cools down includes water mist spraying head, water pipe and basket strainer, the original tunnel of mine and ventilating system is utilized in this system, and the Natural Water in water-bearing layer Pressure is continuously temperature-reduction dust-removal system water supply, realizes the automatic running of system cooling dedusting mechanism, the low advantage of implementation cost.
Description
Technical field
The present invention relates to air-conditioning technique field, artesian water is carried out in especially a kind of water-bearing layer using abandoned mine
The automatic regulating system of air cooling-down dedusting.
Background technique
Currently, either metal mine either non-metal mine will form greatly after exploitation in mining process
The goaf of amount can all have a large amount of abandoned mine to generate every year with the exploitation of coal in China and other mineral resources.It is existing
The processing to abandoned mine mostly be the mode for taking landfill, this processing mode can not achieve the full utilization of abandoned mine.
Additionally, due to the change of ground ecological environment caused by exploiting, the especially bad weathers such as sandstorm and high temperature, nature ring is caused
The destruction and economic loss in border, and warming with global climate, hot weather make the life of epidemic prevention, agricultural production and people
At large effect, especially lasting hot weather causes the life to economy and the people to cause big inconvenience.For
Maximally utilizing for abandoned mine economic interests and ecological benefits is solved, improves the bad weathers such as high temperature, sand and dust to environment
It influences, the improvement to abandoned mine is needed to be improved using further.
Summary of the invention
To solve the technical issues of abandoned mine recycling carries out depositing dust cooling to air, the present invention provides a kind of benefits
With the self-pressing type temperature-reduction dust-removal system in mine water-bearing layer, specific technical solution is as follows.
A kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer, including mine laneway, ventilating mechanisms, water intaking mechanism
With cooling dedusting mechanism；The ventilating mechanisms are arranged in mine laneway, and the water intaking mechanism fetches water from mine top water-bearing layer,
The cooling dedusting mechanism is arranged in tunnel；The mine laneway includes main shaft, auxiliary shaft, shaft station and main entry, described logical
Blower structure includes blower；The water intaking mechanism includes water guide drilling, flow control valve, water pressure monitoring device and orifice sealing dress
It sets, the connecting pin of water guide drilling and tunnel is arranged in water guide drilling connection tunnel and water-bearing layer, the port seal,
The water pressure monitoring device is arranged on water pipe, and the downstream of water pressure monitoring device is arranged in flow control valve；The cooling dedusting
Mechanism includes water mist spraying head, water pipe and basket strainer, and the water mist spraying head is arranged on the water pipe in tunnel, the basket strainer interval
It is arranged on drift section.
Preferably, mine laneway further includes connection roadway, and the shaft station includes main shaft shaft station and auxiliary shaft shaft bottom
Parking lot, the main shaft are connected with main shaft shaft station, and main shaft shaft station is connected with main entry, main entry be connected to main shaft shaft station and
Auxiliary shaft shaft station, the auxiliary shaft shaft station are communicated by auxiliary shaft with atmosphere.
It may further be preferable that main shaft and auxiliary shaft are arranged using dispersed arrangement form, between main shaft well head and auxiliary well head
Away from greater than 1000m.
It is still further preferred that blower setting, in main shaft well head, the blower of main shaft well head is forced blower；The wind
Machine setting is exhaust fan in auxiliary well head, the blower of auxiliary well head.
Preferably, basket strainer is arranged one group along drift section every 3-10m in main entry, at the setting position of basket strainer
It is simutaneously arranged one group of water mist spraying head, one group of water mist spraying head is arranged in the middle part between the basket strainer.
It may further be preferable that every group of setting of water mist spraying head is two rows of, every draining fog spray head includes branch water pipe and multiple sprays
Head, reverse interleaved arrangement above and below the spray head.
It is still further preferred that water pipe is supplied water using two-way, the branch water pipe position of every group of water mist spraying head forms ring-type
Pipe network.
Preferably, it is disposed with aqueduct in water guide drilling, aqueduct and water-bearing layer contact jaw are provided with filter mantle；It is described
Water pressure monitoring device upstream on water pipe is provided with filter device.
Preferably, water absorbent gel material is provided in port seal, water absorbent gel material includes Gao Shuicai
Material, land plaster, flyash.
The beneficial effect comprise that
(1) cooling is continuously using the natural water pressure of the original tunnel of abandoned mine and ventilating system and water-bearing layer to remove
Dirt system water supply, realizes the automatic running of system cooling dedusting mechanism, and the natural water pressure and height difference in water-bearing layer ensure that drop
The duration and stability of warm water for dust removal.
(2) reduce cost using original tunnel and mine ventilation system, sprayed by basket strainer in tunnel and water mist
Head carries out cooling dedusting, especially basket strainer and water mist spraying head combined layout to the air in tunnel, ensure that the wet of basket strainer
For profit to improve dust removing effects, branch water pipe ensure that operating pressure at sprinkler and work are steady using the water supply of looping network two-way is formed
It is qualitative.
(3) setting filter device guarantees that the normal work of spray head is not blocked on water pipe and on aqueduct, on aqueduct
Filter mantle can guarantee the cleaning fetched water at artesian water water intaking position, and port seal ensure that using water absorbent gel material
The sealing performance in aperture.
In addition the advantages that present invention also has implementation cost low, environmentally protective, and automatic water jetting sustainability is good.
Detailed description of the invention
Fig. 1 is the self-pressing type temperature-reduction dust-removal system structural schematic diagram using mine water-bearing layer；
Fig. 2 is drift section water mist spraying head deployment scenarios schematic diagram；
Fig. 3 is aqueduct structure schematic diagram in water-bearing layer；
In figure: 1- mine laneway；11- main shaft；12- auxiliary shaft；The shaft station 13-；131- main shaft shaft station；132- auxiliary shaft
Shaft station；14- main entry；15- connection roadway；16- air door；2- ventilating mechanisms；21- blower；3- water intaking mechanism；The drilling of 31- water guide；
311- aqueduct；312- filter mantle；32- flow control valve；33- water pressure monitoring device；34- port seal；4- cooling removes
Dirt mechanism；41- water mist spraying head；42- water pipe；43- basket strainer；44- branch water pipe；The water-bearing layer 5-.
Specific embodiment
In conjunction with shown in Fig. 1 to Fig. 3, a kind of self-pressing type temperature-reduction dust-removal system tool using mine water-bearing layer provided by the invention
Body embodiment is as follows.
A kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer specifically includes mine laneway 1, ventilating mechanisms 2, takes
Water dispenser structure 3 and cooling dedusting mechanism 4, utilize the original tunnel of abandoned mine and ventilating system and the natural water pressure in water-bearing layer 5
It is continuously temperature-reduction dust-removal system water supply, realizes the automatic running of system cooling dedusting mechanism.Ventilating mechanisms 2 are arranged in mine
It in tunnel 1, stays and sets original 1 ventilation equipment of mine laneway, water-bearing layer 5 and lane are connected by the drilling in connection roadway 15
Road, water intaking mechanism 3 from mine top water-bearing layer 5 fetch water, cooling dedusting mechanism 4 be arranged in tunnel using water-bearing layer 5 water into
Row cooling dedusting.
Mine laneway 1 includes main shaft 11, auxiliary shaft 12, shaft station 13 and main entry 14, and ventilating mechanisms 2 include blower 21, mine
Roadway road further includes 15 lanes of contact.Shaft station 13 includes main shaft shaft station 131 and auxiliary shaft shaft station 132,11 He of main shaft
Main shaft shaft station 131 is connected, and main shaft shaft station 131 is connected with main entry 14, and main entry 14 is connected to main shaft shaft station 131 and pair
Well shaft station 132, auxiliary shaft shaft station 132 are communicated by auxiliary shaft with atmosphere.131 phase of connection roadway 15 and main shaft shaft station
Even, junction is provided with air door 16.Main shaft 11 and auxiliary shaft 12 are using dispersed arrangement form arrangement, 12 well of 11 well head of main shaft and auxiliary shaft
The spacing of mouth guarantees that main shaft 11 and auxiliary shaft 12 will not generate ventilation interference at least more than 1000m.Blower 21 is arranged in 11 well of main shaft
Mouthful, the blower of 11 well head of main shaft is forced blower.Auxiliary well head can also be arranged in blower 21, and the blower of 12 well head of auxiliary shaft is
In addition blower can be arranged in main shaft 11 and 12 well head of auxiliary shaft simultaneously, to accelerate drafting efficiency in exhaust fan.
The mechanism 3 that fetches water includes water guide drilling 31, flow control valve 32, water pressure monitoring device 33 and port seal 34,
The connecting pin of water guide drilling and tunnel, hydraulic pressure prison is arranged in 31 connection tunnel of water guide drilling and water-bearing layer, port seal 34
It surveys device 33 to be arranged on water pipe 42, monitors the streamflow regime in the water stored state and water pipe of artesian water, flow control valve in real time
32 are arranged in the downstream of water pressure monitoring device 33, to guarantee the real-time monitoring of hydraulic pressure, and control water flow by control valve.Aperture
Water absorbent gel material is provided in sealing device 34, water absorbent gel material includes high-water material, land plaster, flyash, is somebody's turn to do
The water retention property of material is good, can satisfy sealing of hole requirement, guarantees that the artesian water in water-bearing layer will not or leakage prominent along hole.Water guide bores
Aqueduct 311 is disposed in hole 31, aqueduct 311 and 5 contact jaw of water-bearing layer are provided with filter mantle 312, guarantee the cleaning of water intaking
It is not blocked with water mist spraying head, 33 upstream of water pressure monitoring device on water pipe 42 is provided with filter device, and filter device can be protected
Demonstrate,prove the normal work of water pressure monitoring device and control valve.
The dedusting mechanism 4 that cools down includes water mist spraying head 41, water pipe 42 and basket strainer 43, and water mist spraying head 41 is arranged in tunnel
On water pipe 42, basket strainer 43 is arranged at intervals on drift section, can sufficiently be carried out to air in tunnel using water mist spraying head 41
Cooling, dust preventing is handled, and is more advantageous to dedusting under basket strainer moisture state after the watering processing on basket strainer 43, is further also mentioned
The effect for having risen cooling is more abundant to the utilization of water.Basket strainer 43 is in main entry every 3-10m along drift section setting one
Group is simutaneously arranged one group of water mist spraying head 41 at the setting position of basket strainer 43, and one group of water mist is arranged in the middle part between basket strainer 43
Spray head 41.41 every groups of settings of water mist spraying head are two rows of, and every draining fog spray head includes branch water pipe and multiple spray heads, and spray head is reversed up and down
Interlaced arrangement.Water pipe is supplied water using two-way, and the branch water pipe position of every group of water mist spraying head 41 forms looping network, is supplied using two-way
Water ensure that operating pressure at sprinkler and job stability.
It is to mine top water-bearing layer first using the self-pressing type temperature-reduction dust-removal system in mine water-bearing layer when being constructed
Borehole test is carried out, hydraulic pressure is tested, selects suitable water intaking position；Then setting water intaking mechanism 3 and cooling dedusting mechanism 4, into
Row pipeline Installation And Test, test are completed to be followed by logical water intaking mechanism 3 and cooling dedusting mechanism 4；Blower 21 is finally opened, wind is closed
Door 16 forms system ventilation depositing dust, cooling circuit, continues working.This method also has implementation cost low, environmentally protective, automatically
The advantages that sustainability of spraying water is good.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (9)
1. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer, which is characterized in that including mine laneway, ventilation blower
Structure, water intaking mechanism and cooling dedusting mechanism；The ventilating mechanisms are arranged in mine laneway, and the water intaking mechanism is from mine top
Water-bearing layer water intaking, the cooling dedusting mechanism are arranged in tunnel；
The mine laneway includes main shaft, auxiliary shaft, shaft station and main entry, and the ventilating mechanisms include blower；
The water intaking mechanism includes water guide drilling, flow control valve, water pressure monitoring device and port seal, and the water guide bores
Hole is connected to tunnel and water-bearing layer, and the connecting pin of water guide drilling and tunnel, the water pressure monitoring is arranged in the port seal
Device is arranged on water pipe, and the downstream of water pressure monitoring device is arranged in flow control valve；
The cooling dedusting mechanism includes water mist spraying head, water pipe and basket strainer, and the water pipe in tunnel is arranged in the water mist spraying head
On, the basket strainer is arranged at intervals on drift section.
2. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 1, which is characterized in that institute
Stating mine laneway further includes connection roadway, and the shaft station includes main shaft shaft station and auxiliary shaft shaft station, the main shaft and
Main shaft shaft station is connected, and main shaft shaft station is connected with main entry, and main entry is connected to main shaft shaft station and auxiliary shaft shaft station, institute
It states auxiliary shaft shaft station and is communicated by auxiliary shaft with atmosphere.
3. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 2, which is characterized in that institute
It states main shaft and auxiliary shaft to arrange using dispersed arrangement form, the spacing of main shaft well head and auxiliary well head is greater than 1000m.
4. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 3, which is characterized in that institute
Blower setting is stated in main shaft well head, the blower of main shaft well head is forced blower；The blower is arranged in auxiliary well head, auxiliary shaft well
The blower of mouth is exhaust fan.
5. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 1, which is characterized in that institute
It states basket strainer and is arranged one group along drift section every 3-10m in main entry, be simutaneously arranged one group of water at the setting position of basket strainer
One group of water mist spraying head is arranged in fog spray head, the middle part between the basket strainer.
6. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 5, which is characterized in that institute
Every group of setting two rows of water mist spraying head are stated, every draining fog spray head includes branch water pipe and multiple spray heads, and the spray head is reversely handed over up and down
Mistake arrangement.
7. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 6, which is characterized in that institute
It states water pipe to supply water using two-way, the branch water pipe position of every group of water mist spraying head forms looping network.
8. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 1, which is characterized in that institute
It states in water guide drilling and is disposed with aqueduct, aqueduct and water-bearing layer contact jaw are provided with filter mantle；Hydraulic pressure prison on the water pipe
It surveys device upstream and is provided with filter device.
9. a kind of self-pressing type temperature-reduction dust-removal system using mine water-bearing layer according to claim 1, which is characterized in that institute
It states and is provided with water absorbent gel material in port seal, water absorbent gel material includes high-water material, land plaster, fine coal
Ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213154.3A CN109538280B (en) | 2018-10-18 | 2018-10-18 | Self-pressing type cooling and dedusting system utilizing mine aquifer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213154.3A CN109538280B (en) | 2018-10-18 | 2018-10-18 | Self-pressing type cooling and dedusting system utilizing mine aquifer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538280A true CN109538280A (en) | 2019-03-29 |
| CN109538280B CN109538280B (en) | 2021-01-15 |
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ID=65844242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213154.3A Active CN109538280B (en) | 2018-10-18 | 2018-10-18 | Self-pressing type cooling and dedusting system utilizing mine aquifer |
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| Country | Link |
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| CN (1) | CN109538280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077842A1 (en) * | 2019-10-21 | 2021-04-29 | 青岛理工大学 | Mobile ventilation, dust-removal and cooling integrated device for mine underground roadway driving face |
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|---|---|---|---|---|
| CN102269008A (en) * | 2011-08-18 | 2011-12-07 | 中煤矿山建设集团有限责任公司 | System for reducing mine temperature by use of constant-temperature water bearing formation |
| CN203022792U (en) * | 2012-12-03 | 2013-06-26 | 唐山开滦广汇设备制造有限公司 | Coal mine underground refuge chamber refrigerating device |
| CN204476458U (en) * | 2015-03-02 | 2015-07-15 | 霍州煤电集团霍源通新产业投资有限公司 | A kind of underground mine use dust guard efficiently |
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| CN205760384U (en) * | 2016-05-25 | 2016-12-07 | 煤炭工业济南设计研究院有限公司 | A kind of haze processing system based on abandoned mine |
| CN206600185U (en) * | 2017-03-17 | 2017-10-31 | 六盘水师范学院 | A kind of underground mine use dust guard |
| CN206694061U (en) * | 2017-05-03 | 2017-12-01 | 贵州理工学院 | A kind of mine underground dustproof device |
-
2018
- 2018-10-18 CN CN201811213154.3A patent/CN109538280B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269008A (en) * | 2011-08-18 | 2011-12-07 | 中煤矿山建设集团有限责任公司 | System for reducing mine temperature by use of constant-temperature water bearing formation |
| CN203022792U (en) * | 2012-12-03 | 2013-06-26 | 唐山开滦广汇设备制造有限公司 | Coal mine underground refuge chamber refrigerating device |
| CN204476458U (en) * | 2015-03-02 | 2015-07-15 | 霍州煤电集团霍源通新产业投资有限公司 | A kind of underground mine use dust guard efficiently |
| CN204511498U (en) * | 2015-03-16 | 2015-07-29 | 陈国强 | Mining tunnel comprehensively catches dirt purifier |
| CN205760384U (en) * | 2016-05-25 | 2016-12-07 | 煤炭工业济南设计研究院有限公司 | A kind of haze processing system based on abandoned mine |
| CN206600185U (en) * | 2017-03-17 | 2017-10-31 | 六盘水师范学院 | A kind of underground mine use dust guard |
| CN206694061U (en) * | 2017-05-03 | 2017-12-01 | 贵州理工学院 | A kind of mine underground dustproof device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077842A1 (en) * | 2019-10-21 | 2021-04-29 | 青岛理工大学 | Mobile ventilation, dust-removal and cooling integrated device for mine underground roadway driving face |
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| CN109538280B (en) | 2021-01-15 |
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