CN104389603B - Coal mining machine foam dust removal system and operation method thereof - Google Patents
Coal mining machine foam dust removal system and operation method thereof Download PDFInfo
- Publication number
- CN104389603B CN104389603B CN201410694100.9A CN201410694100A CN104389603B CN 104389603 B CN104389603 B CN 104389603B CN 201410694100 A CN201410694100 A CN 201410694100A CN 104389603 B CN104389603 B CN 104389603B
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- foam
- coal
- pressure
- maker
- winning machine
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- 239000006260 foam Substances 0.000 title claims abstract description 92
- 239000000428 dust Substances 0.000 title abstract description 22
- 239000003245 coal Substances 0.000 title abstract description 6
- 238000005065 mining Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004088 foaming agent Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/226—Control valves for the spraying liquid used in dust suppression systems
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a coal mining machine foam dust removal system and an operation method thereof. The coal mining machine foam dust removal system comprises a reservoir tank, a water pressurizing port, an air pressurizing port, a proportion mixer, a foam maker and nozzles, wherein the reservoir tank is fixedly connected with the top of a main body shell, the water pressurizing port is connected with the foam maker through a water inlet pipeline, the proportion mixer is arranged on the water inlet pipeline and connected with the reservoir tank through a foaming agent pipeline, the air pressurizing port is connected with the foam maker through an air inlet pipeline, the foam outlet end of the foam maker is connected with at least six nozzles, and the nozzles are arranged on a nozzle frame on the surface of a rocker arm of a coal mining machine. The foam produced in the foam maker is sprayed out through the nozzles to contact with the dust so as to effectively reduce the dust concentration in the air, the sprayed foam is stable, the dust removal effect is good, the nozzle is hard to damage, the security is high, the mounting, dismounting and maintenance on the mounting surface of the equipment are convenient, the problems of high water consumption amount and bad dust removal effect in the prior art are solved, the water usage is reduced by 30-80%, the dust suppression efficiency is 3-5 times higher than that of atomization, and the operation method is simple and convenient.
Description
Technical field
The invention belongs to a kind of coal-winning machine deduster field, be related to a kind of dust removing effects significantly, the coal mining of save energy
Machine foam dust-removing device structure, further relates to a kind of operational approach of coal-winning machine foam dedusting system.
Background technology
Mine foam dedusting dust-settling technology is, using the dedusting water pipe and pressure edema due to wind pathogen pipe of down-hole, to add in water pipe a certain amount of
Additive, by special foam maker, introduce pressure wind, produce high expansion foam, dirt source is sprayed to by shower nozzle, it is quick to realize
Reduce dust in air concentration.Existing coal-winning machine dedusting adopts water quality dedusting, and during dedusting, hydraulic demand is big, and water consumption is more, spray
Fragile, dust removing effects are bad, and water excess can cause coal-winning machine depression to cause safety to reduce, installed in device interior
Cause to install, dismantle and safeguard inconvenience.
The content of the invention
The technical problem to be solved in the present invention is：A kind of coal-winning machine foam dedusting system and its operational approach, structure are provided
Simply, good dedusting effect, saves water source, and shower nozzle is hardly damaged, safe, installing/dismounting and easy to maintenance, side simple to operate
Just, overcoming the shortcomings of prior art problem.
The technical scheme that the present invention takes is：A kind of coal-winning machine foam dedusting system, including reserving liquid tank, the pressure mouth of a river, pressure wind
Mouth, proportioner, foam maker and shower nozzle, the reserving liquid tank is fixedly connected on coal-winning machine body shell top, the pressure mouth of a river
It is connected with foam maker by inlet pipeline, the proportioner is arranged on inlet pipeline, is fixedly connected on operation panel, is led to
Foaming agent pipeline connection reserving liquid tank is crossed, the pressure air port is connected by air inlet pipeline with foam maker, and the foam maker goes out foam end
Connect minimum six shower nozzles, the shower nozzle is arranged on coal-winning machine jet nozzle, positioned at rocking arm surface.
The foam maker goes out foam end and is fixedly connected foam dispenser, and foam dispenser arranges minimum two foam outlets,
The multiple jet nozzles of connection are capable of achieving, dust removing effects are more preferable.
Each described jet nozzle arranges three shower nozzles, and angle is 5 ~ 20 degree between shower nozzle, towards cylinder, effectively utilizes bubble jet
It is sprinkled upon on dust, realizes quick dedusting.
The proportioner includes that the supervisor section and its two ends of connection foaming agent pipe is arranged on the first from left of foaming agent pipe one
Right " U " type pipe, arranges regulating valve on " U " type pipe, simple structure is easy to adjust.
Regulating valve is set on pressure mouth of a river water inlet pipe, pressure air port blast pipe and foaming agent pipe, can be easy to adjust water inlet
Amount and intake size.
The water inlet pipe and blast pipe can simultaneously arrange branch multiple-pass joint, connect multiple foam makers and shower nozzle, can be used for
The coal-winning machine dedusting of double drum type, utilization rate is high.
A kind of operational approach of coal-winning machine foam dedusting system, comprises the following steps：
（1）Each pipeline is connected, the pressure mouth of a river and pressure air port are connected to into the water inlet and air inlet of device, foaming agent dress
In entering reserving liquid tank；
（2）Proportioner is adjusted to into correct position, and opens each gate valve in pipeline；
（3）Start the pressure mouth of a river and pressure air switch button, press water and compressed air enter pipeline；
（4）After current enter inlet channel, tiny structure is produced under the siphonage of current, suction foaming agent enters
Waterpipe, carries out being mixed into expanding foam solution into foam maker porch at proportioner；
（5）Simultaneously foam maker is entered in foam maker porch air pressure and mixed foaming liquid, by the helical-blade in foam maker
Piece is acted on, and produces foam, and shower nozzle ejection is sent under gas pressure.
Proportioner is adjusted according to the concentration for spraying foam in above-mentioned steps 2 and is determined suitable ratio.
Beneficial effects of the present invention：Compared with prior art, the present invention will using the pressure mouth of a river and pressure air port of simple structure
Press water and compressed air and foaming agent are dispensed in foam maker and produce foam, are sprayed by shower nozzle, and foam leads to coal dust
Cross the modes such as covering, moistening and adhesion to contact, fundamentally prevent the diffusion of dust, effectively reduce dust in air dense
Degree, reaches the effect of dedusting, sprays foam stabilization, and good dedusting effect, shower nozzle is hardly damaged, water consumption less will not coal-winning machine sink,
Safe, installed in equipment surface, installing/dismounting and easy to maintenance efficiently solves hydraulic demand present in prior art
Greatly, water consumption is more, and shower nozzle is fragile, the bad problem of dust removing effects, and water can will be used to reduce 30 ~ 80%, dust suppression efficiency ratio
Spray sprinkler is high 3 ~ 5 times, and the characteristics of with simple structure, its operational approach is simple and convenient.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is structural representation of the present invention on double-ended shearer；
Fig. 3 is the operation plate structure schematic diagram of the present invention；
Fig. 4 is the foam maker structural representation of the present invention；
Fig. 5 is the nozzle structure schematic diagram of the present invention；
Fig. 6 is the reserving liquid tank left view structural representation of the present invention.
In figure：1st, reserving liquid tank；2nd, the mouth of a river is pressed；3rd, air port is pressed；4th, proportioner；5th, foam maker；6th, foam dispenser；7、
Shower nozzle；8th, jet nozzle；9th, operation panel.
Specific embodiment
As shown in Fig. 1 ~ 6, a kind of coal-winning machine foam dust-removing device, including reserving liquid tank 1, the pressure mouth of a river 2, pressure air port 3, ratio
Blender 4, foam maker 5 and shower nozzle 7, the reserving liquid tank 1 is fixedly connected on coal-winning machine body shell top, and inside is equipped with foaming
Agent, the pressure mouth of a river 2 is connected by inlet pipeline with foam maker 5, and connects pressure water pump or penstocks, at the pressure mouth of a river 2
Inlet channel adopts metal tube, is fixedly connected on operation panel 9, and the proportioner 4 is arranged on inlet pipeline, fixed to connect
It is connected on operation panel 9, reserving liquid tank 1 is connected by foaming agent pipeline, the pressure air port 3 is connected by air inlet pipeline with foam maker 5,
And air compressor machine offer compressed air is provided, blast pipe adopts metal tube at pressure air port, is fixedly connected on operation panel 9, described
Bubbler 5 goes out foam end and connects minimum six shower nozzles 7, and the shower nozzle 7 is arranged on coal-winning machine jet nozzle 8, positioned at rocker arm of coal mining machine
Surface, all structures and pipe arrangement are matched somebody with somebody foaming agent using the pressure mouth of a river 2 and pressure air port 3 of simple structure in equipment surface
It is sent in foam maker 5 and produces foam, sprayed by shower nozzle, foam is connect with coal dust by modes such as covering, moistening and adhesions
Touch, fundamentally prevent the diffusion of dust, effectively reduce dust in air concentration, reach the effect of dedusting, spray foam
Stable, good dedusting effect, shower nozzle is hardly damaged, water consumption less will not coal-winning machine sink, it is safe, installed in equipment surface, peace
Assembly and disassembly unload with it is easy to maintenance, efficiently solve that hydraulic demand present in prior art is big, water consumption is more, and shower nozzle is fragile, removes
The bad problem of dirt effect, and water can will be used to reduce 30 ~ 80%, dust suppression efficiency is higher than spray sprinkler 3 ~ 5 times, with structure
Simple the characteristics of.
The foam maker 5 goes out foam end and is fixedly connected foam dispenser 6, and foam dispenser 6 arranges minimum two foams and goes out
Mouthful, the multiple jet nozzles 8 of connection are capable of achieving, dust removing effects are more preferable.
Each described jet nozzle 8 arranges three shower nozzles 7, and 7 angles of shower nozzle are 5 ~ 20 degree, towards cylinder, effectively utilizes bubble
Foam is sprayed on dust, realizes quick dedusting.
The proportioner 4 includes that the supervisor section and its two ends of connection foaming agent pipe is arranged on the first from left of foaming agent pipe one
Right " U " type pipe, arranges regulating valve on " U " type pipe, simple structure is easy to adjust.
Regulating valve is set on pressure mouth of a river water inlet pipe, pressure air port blast pipe and foaming agent pipe, can be easy to adjust water inlet
Amount and intake size.
The water inlet pipe and blast pipe can simultaneously arrange branch multiple-pass joint, connect multiple foam makers and shower nozzle, can be used for
The coal-winning machine dedusting of double drum type, utilization rate is high.
A kind of operational approach of coal-winning machine foam dedusting system, comprises the following steps：
（1）Each pipeline is connected, the pressure mouth of a river 2 and pressure air port 3 are connected to into the water inlet and air inlet of device, foaming agent
In being fitted into reserving liquid tank 1；
（2）Proportioner 4 is adjusted to into correct position, and opens each gate valve in pipeline；
（3）Start the pressure mouth of a river 2 and the pressure shift knob of air port 3, press water and compressed air enter pipeline；
（4）After current enter inlet channel, tiny structure is produced under the siphonage of current, suction foaming agent enters
Waterpipe, carries out being mixed into expanding foam solution into the porch of foam maker 5 at proportioner 4；
（5）Foam maker 5 is entered simultaneously in the porch air pressure of foam maker 5 and mixed foaming liquid, by the spiral in foam maker 5
Blade is acted on, and produces foam, shower nozzle 7 is sent under gas pressure and is sprayed.
Proportioner 4 is adjusted according to the concentration for spraying foam in above-mentioned steps 2 and is determined suitable ratio.
Aforesaid operations method is simple, manually control, simplifies structure, is easy to control, equipment cost to reduce.
Claims (6)
1. a kind of coal-winning machine foam dedusting system, including reserving liquid tank（1）, pressure the mouth of a river（2）, pressure air port（3）, proportioner（4）、
Foam maker（5）And shower nozzle（7）, it is characterised in that：The reserving liquid tank（1）Coal-winning machine body shell top is fixedly connected on, it is described
The pressure mouth of a river（2）By inlet pipeline and foam maker（5）Connection, the proportioner（4）It is arranged on inlet pipeline, it is fixed to connect
It is connected on operation panel（9）On, reserving liquid tank is connected by foaming agent pipeline（1）, the pressure air port（3）By air inlet pipeline and foam maker
（5）Connection, the foam maker（5）Go out foam end and connect minimum six shower nozzles（7）, the shower nozzle（7）It is arranged on coal-winning machine shower nozzle
Frame（8）On, positioned at rocking arm surface, the proportioner（4）Arrange including the supervisor section and its two ends of connection foaming agent pipe
In " U " type pipe that the first from left of foaming agent pipe one is right, regulating valve, pressure mouth of a river water inlet pipe, pressure air port blast pipe are set on " U " type pipe
Regulating valve is set with foaming agent pipe.
2. a kind of coal-winning machine foam dedusting system according to claim 1, it is characterised in that：The foam maker（5）Blebbing
Foam end is fixedly connected foam dispenser（6）, foam dispenser（6）Minimum two foam outlets are set.
3. a kind of coal-winning machine foam dedusting system according to claim 1, it is characterised in that：Each described jet nozzle（8）
Three shower nozzles are set, and angle is 5 ~ 20 degree between shower nozzle, towards cylinder.
4. a kind of coal-winning machine foam dedusting system according to claim 1, it is characterised in that：The water inlet pipe and blast pipe
Branch multiple-pass joint can be simultaneously set, connect multiple foam makers and shower nozzle.
5. using the operational approach of any one coal-winning machine foam dedusting system in claim 1 ~ 4, it is characterised in that：Including with
Lower step：
Each pipeline is connected, the pressure mouth of a river and pressure air port are connected to into the water inlet and air inlet of device, foaming agent loads liquid storage
In case；
Proportioner is adjusted to into correct position, and opens each gate valve in pipeline；
Start shift knob at the pressure mouth of a river and pressure air port, press water and compressed air enter pipeline；
After current enter inlet channel, tiny structure is produced under the siphonage of current, suction foaming agent enters inlet channel,
Carry out being mixed into expanding foam solution at mixed proportion device into foam maker porch；
Simultaneously foam maker is entered in foam maker porch air pressure and mixed foaming liquid, is acted on by the helical blade in foam maker,
Foam is produced, shower nozzle ejection is sent under gas pressure.
6. a kind of operational approach of coal-winning machine foam dedusting system as claimed in claim 5, it is characterised in that：Steep according to spraying
The concentration of foam adjusts proportioner（4）It is determined suitable ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694100.9A CN104389603B (en) | 2014-11-27 | 2014-11-27 | Coal mining machine foam dust removal system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694100.9A CN104389603B (en) | 2014-11-27 | 2014-11-27 | Coal mining machine foam dust removal system and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389603A CN104389603A (en) | 2015-03-04 |
| CN104389603B true CN104389603B (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410694100.9A Active CN104389603B (en) | 2014-11-27 | 2014-11-27 | Coal mining machine foam dust removal system and operation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104389603B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2027129A (en) * | 2020-12-16 | 2021-02-08 | Univ Shandong Science & Tech | A Dust Isolation-dust Reduction Device for Cutting Dust Produced by A Coal Winning Machine at A Fully Mechanized Coal Mining Face |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134283A (en) * | 2015-09-25 | 2015-12-09 | 山西汾西矿业（集团）有限责任公司 | Pneumatic coal dust cleaner |
| CN105401943B (en) * | 2015-12-01 | 2018-08-14 | 淮北矿业股份有限公司 | A kind of soft rock fully mechanized mining is calmed the anger water air-breathing water curtain dust fall device |
| CN113374475B (en) * | 2021-06-28 | 2024-04-23 | 中国铁建重工集团股份有限公司 | Dig over fortune all-in-one |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1949700A (en) * | 2000-02-25 | 2001-08-30 | Joy Mm Delaware, Inc. | Dust collection system for a bolting machine |
| CN101251025B (en) * | 2008-04-08 | 2011-03-09 | 中国矿业大学 | Coal mine down-hole foam dedusting system |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| CN202467840U (en) * | 2012-03-22 | 2012-10-03 | 安徽理工大学 | Pneumatic type high-expansion foam de-duster |
| CN203584430U (en) * | 2013-11-05 | 2014-05-07 | 中煤科工集团重庆研究院有限公司 | Novel dust fall control device for coal mining machine |
| CN203835390U (en) * | 2014-02-25 | 2014-09-17 | 中国矿业大学 | Foam-spray dust removal system in heading machine |
| CN104153779A (en) * | 2014-08-11 | 2014-11-19 | 山东科技大学 | Following movement-type top coal caving working face foam-dedusting system |
| CN204253039U (en) * | 2014-11-27 | 2015-04-08 | 贵州盘江矿山机械有限公司 | A kind of coal-winning machine foam dust-removing device |
-
2014
- 2014-11-27 CN CN201410694100.9A patent/CN104389603B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2027129A (en) * | 2020-12-16 | 2021-02-08 | Univ Shandong Science & Tech | A Dust Isolation-dust Reduction Device for Cutting Dust Produced by A Coal Winning Machine at A Fully Mechanized Coal Mining Face |
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| Publication number | Publication date |
|---|---|
| CN104389603A (en) | 2015-03-04 |
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