CN104389630A - Dust suppressing and removing device for fully mechanized coal mining face - Google Patents
Dust suppressing and removing device for fully mechanized coal mining face Download PDFInfo
- Publication number
- CN104389630A CN104389630A CN201410633057.5A CN201410633057A CN104389630A CN 104389630 A CN104389630 A CN 104389630A CN 201410633057 A CN201410633057 A CN 201410633057A CN 104389630 A CN104389630 A CN 104389630A
- Authority
- CN
- China
- Prior art keywords
- dust
- support
- coal
- winning machine
- spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
Abstract
The invention discloses a dust suppressing and removing device for a fully mechanized coal mining face. The technical thought of performing dust prevention and control from the source is adopted; a group of air curtain nozzles for jetting air current is arranged behind two cutting parts of a coal mining machine and close to a control part of the coal mining machine respectively, thereby forming air walls wrapping fog fields formed by spray dedusting equipment inside and outside the coal mining machine respectively on two drums of the coal mining machine; a bracket spray dedusting device and a bracket dust absorbing and purifying device are arranged on each bracket respectively in order to effectively precipitate or absorb a large amount of dust falling from both sides and the front of the brackets and dust overflowing from a control-dedusting system of the coal mining machine in a precipitating or absorbing bracket-moving process. Compared with the prior art, the dust suppressing and removing device for the fully mechanized coal mining face disclosed by the invention has the advantages of good dust prevention and removal effects; the device is easy and convenient to operate, is small in investment, and has good market application prospect and popularization value.
Description
Technical field
The present invention relates to a kind of underground coal mine control dirt dedusting technology equipment, particularly relate to a kind of fully-mechanized mining working dust suppression and dust arrester.
Background technology
Mine dust as the inevitable outcome in coal production process, due to the physicochemical property of self, one of five large disasters becoming colliery.
The main harm of mine dust comprises two aspects: one is pyrophorisity and the explosivity of coal dust; Two is Occupational Disease Hazards.And the first dust production resource of coal-face Dou Shi coal mining enterprise all the time, dust-producing amount accounts for more than 85% of whole mine dust-producing amount.Coal-winning machine cut produces dirt and occupies the overwhelming majority, and move frame produce dirt still can not be ignored, wherein, self-advancing hydraulic support is fall that the dust-producing amount in post and reach process accounts for whole work plane dust-producing amount about 30%, and the dust concentration of generation is up to 1000 ~ 2000mg/m
3, considerably beyond the relevant criterion of national regulation, do not form prophylactico-therapeutic measures effectively so far.Grave danger is brought to the normal operation of coal mining enterprise.
Although for the problems referred to above, various countries expert has also carried out large quantity research, takes many measures, and effect is still not obvious, especially for the product dirt moved in frame process, more cannot effectively control.
Summary of the invention
The object of the invention is, a kind of fully-mechanized mining working dust suppression and dust arrester are provided, it is for coal-winning machine cut and the dust produced moving the large operation of frame two, under the prerequisite not affecting the normal work plane of work plane operating personnel, the technological means such as spray for dust suppression, air curtain dust-separation and the dust suction of dust suction purifier are organically blended, to stop the excessive of dust and diffusion as far as possible, and effective sedimentation is carried out to the dust closed, thus effectively improve working environment at coal mines, ensure Safety of Coal Mine Production.
The technical scheme that the present invention is adopted for achieving the above object is, a kind of fully-mechanized mining working dust suppression and dust arrester, is characterized in that, comprises coal-winning machine control-dust arrester and hydraulic support control-dust arrester two parts;
Described coal-winning machine control-dust arrester is on the original inside and outside spray for dust suppression equipment of coal-winning machine and coal-winning machine air curtain control dirt equipment Foundations, at the rear of two cutting units of coal-winning machine, near the position of coal-winning machine control part, is separately installed with one group of curtain nozzle; Wherein, often organize curtain nozzle and include several air current spray nozzles, the export center axis of each air current spray nozzle becomes identical angle with plane residing for the cutting units at its place respectively;
Described curtain nozzle is connected with the compressed air cylinder of its exterior by air inlet pipe;
The extended line of the export center axis of described air current spray nozzle is positioned at the outside of the mist field that spray for dust suppression equipment inside and outside described coal-winning machine is formed, when described curtain nozzle work, on two cylinders of coal-winning machine, the gas wall being wrapped in the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed will be formed respectively;
Described hydraulic support control-dust arrester comprises support spray dust remover and support dust suction purifier;
Described support spray dust remover quantity is equal with the quantity of support, and described support spray dust remover is arranged on the front position of each support girder correspondingly respectively;
Each support spray dust remover includes a hemispherical atomizing de-dusting apparatus, and described hemispherical atomizing de-dusting apparatus is separately installed with 3-5 pulverizing nozzle;
Described pulverizing nozzle is connected with the water supply installation of its exterior by pipeline, for being ejected at an angle with vaporific form by water, forms a mist field in the walkway front of the support corresponding with it;
Described support dust suction purifier is provided with 4-6 suction port, and shares a dust shield;
Described dust shield is connected with outside sucktion fan by pipeline;
Described support dust suction purifier quantity is equal with the quantity of support, and described support dust suction purifier is arranged on the medium position of each support girder correspondingly respectively;
When coal-winning machine normally works, 3-5 support spray dust remover of the downwind side adjacent with coal-winning machine and support dust suction purifier, and weather side 1-2 support adjacent with coal-winning machine is sprayed and dust suction purifier is opened simultaneously, to move in frame process from support both sides with effective sedimentation or absorption, a large amount of dust fallen is lost in front and the dust overflowed from coal-winning machine control-dust pelletizing system.
The technique effect that technique scheme is directly brought is, 1, owing to having set up curtain nozzle on the basis of existing technology, and the extended line of the export center axis of curtain nozzle is positioned at the outside of the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed; The employing of this technological means, makes the air-flow ejected when curtain nozzle works, and on two cylinders of coal-winning machine, will be formed respectively " the gas wall " that be wrapped in the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed.Be somebody's turn to do the formation of " gas wall ", can effectively stop the excessive of coal-winning machine cutting dust, significantly improve dust separating ratio; Due in dust generation place on the spot, in time sedimentation, thus significantly reduce the concentration of dust in air in tunnel, the generation of dust aerosol has been restrained in Shangdi largely;
What is more important, the technological thought that this source produced from fully-mechanized mining working dust is controlled dust and theory, can reach the technique effect got twice the result with half the effort, thus small investment, instant effect.
2, technique scheme emphasis is for working surface coal mining machine cut and move the large operation of frame two, adopts multiple control dirt, dedusting technology means control the dust that fully-mechanized mining working produces; On the one hand, in original coal-winning machine external spraying basis on, install one group of curtain nozzle respectively at coal-winning machine two cutting units rear, simultaneously nozzle is angled with plane residing for cutting units, to be formed " the gas wall " that effectively wrap up external spraying in coal-winning machine; Meanwhile, between " gas wall " that bottom roll is formed and side rib, form respectively enclosure space between " gas wall " that upper cylinder is formed and down-hole are distinguished and admirable, thus dust and droplet are controlled in this region;
On the other hand, at the leading portion of support girder, the hemispherical atomization mechanism with several pulverizing nozzles is installed, by pulverizing nozzle towards different angles water spray, to work plane cut and move frame produce dust catch sedimentation;
In order to reply moves the dust produced in frame operating process better, to crossing atomizing de-dusting measure, excessive dust carries out reprocessing simultaneously, in the middle part of support girder, also install dust suction purifier, to moving both sides in frame process, front loses the dust that falls to producing and the dust that overflows from the first two measure and carries out suctions and purify.
Namely, when coal-winning machine normally works, 3-5 support spray dust remover of the downwind side adjacent with coal-winning machine and support dust suction purifier, and weather side 1-2 support adjacent with coal-winning machine is sprayed and dust suction purifier is opened simultaneously, to move in frame process from support both sides with effective sedimentation or absorption, a large amount of dust fallen is lost in front and the dust overflowed from coal-winning machine control-dust pelletizing system.
Technique scheme, its dust is anti-and control, and has caught dust source and main diffusion this principal contradiction and the principal aspect of a contradiction, thus, has achieved effective Prevention and controls of ideal fully-mechanized mining working dust.
In addition, in the middle part of support girder, also install dust suction purifier, to moving both sides in frame process, front loses the dust that falls to producing and the dust that overflows from the first two measure and carries out suctions and purify.The employing of this technological means, mainly in order to avoid moving in frame process, there is operating personnel this position, uses atomization mechanism that operating personnel's clothes may be caused to be drenched.As preferred embodiment, above-mentioned curtain nozzle is multi-way structure, and it comprises an import, several outlets;
Described air current spray nozzle is arranged in described outlet correspondingly.
The technique effect that this optimal technical scheme is directly brought is, can ensure uniform stream that each air current spray nozzle ejects, consistent.
Further preferably, the above-mentioned air current spray nozzle quantity often organizing curtain nozzle is at least 8.
The technique effect that this optimal technical scheme is directly brought is, the air current spray nozzle quantity often organizing curtain nozzle is at least 8, the gas wall density that curtain nozzle is formed can be ensured, with comprehensively, be wrapped in without dead angle the mist side outside the venue that inside and outside coal-winning machine, spray for dust suppression equipment is formed.
Further preferably, above-mentioned fully-mechanized mining working dust suppression and dust arrester, it also includes control device, described control device for controlling the ON/OFF of described curtain nozzle air inlet and the water inlet of described pulverizing nozzle, and for controlling the start/stop of described sucktion fan.
The technique effect that this optimal technical scheme is directly brought is, can realize automation mechanized operation and control.
Further preferably, the electric supply installation of above-mentioned control device and coal-winning machine is interlocked.
The technique effect that this optimal technical scheme is directly brought is, fully-mechanized mining working dust suppression and dust arrester are with the synchronous start-stop of miner, make it all the time by coal-winning machine cut and move the certain enclosure space of dust Control that frame produces, the dust produced in sedimentation manufacturing process to greatest extent, stop the diffusion of dust, reduce face dust concentration, effectively reduce the generation of dust disaster;
Further, the electric supply installation of control device and coal-winning machine is interlocked, and effectively can also avoid the generation of maloperation, and when fully-mechanized mining working dust suppression and dust arrester break down, can synchronously stop coal-winning machine work.
In sum, fully-mechanized mining working dust suppression of the present invention and dust arrester, by spray for dust suppression, air curtain dust-separation and the dust suction purifier dust suction method that combines, closed sedimentation is carried out to the dust of fully-mechanized mining working, whole control dust suppression is safe and effective, high concentrate dust in underground coal mine fully-mechanized mining working manufacturing process can obtain better prevention and controlling, improves dustfall efficiency.
Fully-mechanized mining working dust suppression of the present invention and dust arrester, it is relative to prior art, has that structure is simple, low equipment investment, and flexible operation is easy, dust-proof with good dedusting effect etc. beneficial effect, there is good market application foreground and promotional value.
Accompanying drawing explanation
The main TV structure schematic diagram of Fig. 1 comprehensive control-dust pelletizing system of the present invention;
The attached TV structure schematic diagram of Fig. 2 comprehensive control-dust pelletizing system of the present invention;
The right TV structure schematic diagram of Fig. 3 comprehensive control-dust pelletizing system of the present invention;
The left TV structure schematic diagram of Fig. 4 support of the present invention spray dust remover.
Description of reference numerals: 1-coal-winning machine, 2-control part, 3-cutting units, 4-cylinder, 5-support, 6-support girder, 7-hemispherical atomizing de-dusting apparatus, 8-pulverizing nozzle, 9-curtain nozzle, 10-dust suction purifier, 11-suction port, 12-dust shield, 13-air curtain, 14-down-hole is distinguished and admirable, 15-spray.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, fully-mechanized mining working dust suppression of the present invention and dust arrester, comprise coal-winning machine control-dust arrester and hydraulic support control-dust arrester two parts; Wherein:
Coal-winning machine control-dust arrester is on the original inside and outside spray for dust suppression equipment of coal-winning machine 1 and coal-winning machine air curtain control dirt equipment Foundations, at the rear of two cutting units 3 of coal-winning machine, near the position of coal-winning machine control part 2, is separately installed with one group of curtain nozzle 9; Wherein, often organize curtain nozzle 9 and include several air current spray nozzles, the export center axis of each air current spray nozzle becomes identical angle with plane residing for the cutting units at its place respectively;
Above-mentioned curtain nozzle 9 is connected (not shown) by air inlet pipe with the compressed air cylinder of its exterior;
The extended line (not shown) of the export center axis of said flow nozzle is positioned at the outside of the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed, when curtain nozzle 9 works, on two cylinders 4 of coal-winning machine, the gas wall being wrapped in the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed will be formed respectively;
Above-mentioned hydraulic support control-dust arrester comprises support spray dust remover and support dust suction purifier 10;
Above-mentioned support spray dust remover quantity is equal with the quantity of support 5, and support spray dust remover is arranged on the front position of each support girder 6 correspondingly respectively;
Each support spray dust remover includes a hemispherical atomizing de-dusting apparatus 7, and each hemispherical atomizing de-dusting apparatus 7 is separately installed with 3-5 pulverizing nozzle 8;
Above-mentioned pulverizing nozzle is connected (not shown) by pipeline with the water supply installation of its exterior, for being ejected at an angle with vaporific form by water, forms a mist field in the walkway front of the support corresponding with it;
Each support dust suction purifier is provided with 4-6 suction port 11, and shares a dust shield 12;
Above-mentioned dust shield is connected with outside sucktion fan (not shown) by pipeline;
Above-mentioned support dust suction purifier quantity is equal with the quantity of support, and support dust suction purifier is arranged on the medium position of each support girder correspondingly respectively;
When coal-winning machine normally works, 3-5 support spray dust remover of the downwind side adjacent with coal-winning machine and support dust suction purifier 10, and weather side 1-2 support spray dust remover adjacent with coal-winning machine and support dust suction purifier 10 are opened simultaneously, to move in frame process from support both sides with effective sedimentation or absorption, front loses a large amount of dust fallen and the dust overflowed from coal-winning machine control-dust pelletizing system.
Above-mentioned curtain nozzle is multi-way structure (not shown), and it comprises an import, several outlets; Air current spray nozzle is arranged in corresponding outlet correspondingly.
The above-mentioned air current spray nozzle quantity often organizing curtain nozzle 9 is at least 8.
Fully-mechanized mining working dust suppression of the present invention and dust arrester, also include control device (not shown); This control device for controlling the ON/OFF of the air inlet of curtain nozzle 9 and pulverizing nozzle water inlet, and for the start/stop of control and suck blower fan.
The electric supply installation (not shown) of above-mentioned control device and coal-winning machine 1 is interlocked.
It should be noted that, the arrow in Fig. 2, Fig. 3 represents the direction of motion of down-hole distinguished and admirable 14; Involute (dotted line) in figure represents the state of the spray 15 that support spray dust remover ejects;
Fig. 4 is the left TV structure schematic diagram of support spray dust remover.As shown in Figure 4, the hemispherical atomizing de-dusting apparatus 7 being arranged on the position, top of support 5 includes multiple pulverizing nozzle 8, and the spray 15 ejected when the multiple pulverizing nozzles 8 on hemispherical atomizing de-dusting apparatus 7 spray simultaneously effectively can cover the comparatively large regions scope of support 5 periphery.
Claims (5)
1. fully-mechanized mining working dust suppression and a dust arrester, is characterized in that, comprises coal-winning machine control-dust arrester and hydraulic support control-dust arrester two parts;
Described coal-winning machine control-dust arrester is on the original inside and outside spray for dust suppression equipment of coal-winning machine and coal-winning machine air curtain control dirt equipment Foundations, at the rear of two cutting units of coal-winning machine, near the position of coal-winning machine control part, is separately installed with one group of curtain nozzle; Wherein, often organize curtain nozzle and include several air current spray nozzles, the export center axis of each air current spray nozzle becomes identical angle with plane residing for the cutting units at its place respectively;
Described curtain nozzle is connected with the compressed air cylinder of its exterior by air inlet pipe;
The extended line of the export center axis of described air current spray nozzle is positioned at the outside of the mist field that spray for dust suppression equipment inside and outside described coal-winning machine is formed, when described curtain nozzle work, on two cylinders of coal-winning machine, the gas wall being wrapped in the mist field that spray for dust suppression equipment inside and outside coal-winning machine is formed will be formed respectively;
Described hydraulic support control-dust arrester comprises support spray dust remover and support dust suction purifier;
Described support spray dust remover quantity is equal with the quantity of support, and described support spray dust remover is arranged on the front position of each support girder correspondingly respectively;
Each support spray dust remover includes a hemispherical atomizing de-dusting apparatus, and described hemispherical atomizing de-dusting apparatus is separately installed with 3-5 pulverizing nozzle;
Described pulverizing nozzle is connected with the water supply installation of its exterior by pipeline, for being ejected at an angle with vaporific form by water, forms a mist field in the walkway front of the support corresponding with it;
Described support dust suction purifier is provided with 4-6 suction port, and shares a dust shield;
Described dust shield is connected with outside sucktion fan by pipeline;
Described support dust suction purifier quantity is equal with the quantity of support, and described support dust suction purifier is arranged on the medium position of each support girder correspondingly respectively;
When coal-winning machine normally works, 3-5 support spray dust remover of the downwind side adjacent with coal-winning machine and support dust suction purifier, and weather side 1-2 support adjacent with coal-winning machine is sprayed and dust suction purifier is opened simultaneously, to move in frame process from support both sides with effective sedimentation or absorption, a large amount of dust fallen is lost in front and the dust overflowed from coal-winning machine control-dust pelletizing system.
2. fully-mechanized mining working dust suppression according to claim 1 and dust arrester, is characterized in that, described curtain nozzle is multi-way structure, and it comprises an import, several outlets;
Described air current spray nozzle is arranged in described outlet correspondingly.
3. fully-mechanized mining working dust suppression according to claim 1 and dust arrester, is characterized in that, the air current spray nozzle quantity often organizing curtain nozzle is at least 8.
4. fully-mechanized mining working dust suppression according to claim 1 and dust arrester, is characterized in that, also include control device;
Described control device for controlling the ON/OFF of described curtain nozzle air inlet and the water inlet of described pulverizing nozzle, and for controlling the start/stop of described sucktion fan.
5. fully-mechanized mining working dust suppression according to claim 4 and dust arrester, is characterized in that, the electric supply installation of described control device and coal-winning machine is interlocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633057.5A CN104389630B (en) | 2014-11-12 | 2014-11-12 | A kind of fully-mechanized mining working dust suppression and cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633057.5A CN104389630B (en) | 2014-11-12 | 2014-11-12 | A kind of fully-mechanized mining working dust suppression and cleaning apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389630A true CN104389630A (en) | 2015-03-04 |
| CN104389630B CN104389630B (en) | 2016-06-01 |
Family
ID=52607579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410633057.5A Active CN104389630B (en) | 2014-11-12 | 2014-11-12 | A kind of fully-mechanized mining working dust suppression and cleaning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389630B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201505A (en) * | 2015-07-02 | 2015-12-30 | 山东科技大学 | Gas-water injection device and dust control system for dust produced by cutting of coal cutter |
| CN105626134A (en) * | 2016-03-04 | 2016-06-01 | 山东科技大学 | Local area closed dust prevention and control method for fully mechanized coal mining working faces |
| CN108468542A (en) * | 2018-01-26 | 2018-08-31 | 安徽理工大学 | A kind of fully mechanized coal face dedusting system device and dust removal method |
| CN108915684A (en) * | 2018-07-02 | 2018-11-30 | 山东科技大学 | Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust |
| CN109026126A (en) * | 2018-09-21 | 2018-12-18 | 中煤科工集团重庆研究院有限公司 | A kind of coal mining machine in full-mechanized mining face contrary wind coal cutting dust comprehensive processing method |
| CN110000615A (en) * | 2019-02-21 | 2019-07-12 | 宁波米诺机床有限公司 | A kind of four Spindle Machining Center special planes of automatic cleared of debris |
| CN110107341A (en) * | 2019-06-05 | 2019-08-09 | 陈业武 | A kind of mine down-hole fully-mechanized mining working shifting frame coal breakage fog gun device for reducing dust |
| CN110173262A (en) * | 2019-06-27 | 2019-08-27 | 天地科技股份有限公司上海分公司 | Cutting units dust suppression structure |
| CN110424963A (en) * | 2019-07-12 | 2019-11-08 | 山东科技大学 | A kind of development machine aerosol injection collaboration control dust-extraction unit and application method |
| WO2020215478A1 (en) * | 2019-04-24 | 2020-10-29 | 山东科技大学 | Air-and-spray curtain device and method for controlling and removing dust for fully mechanized mining working face through suction, induction and convection |
| CN112483084A (en) * | 2020-11-10 | 2021-03-12 | 山东科技大学 | Fully-closed air curtain dust control method for fully-mechanized coal mining face |
| CN113172068A (en) * | 2021-04-30 | 2021-07-27 | 内蒙古科技大学 | High-pressure fog curtain closed-loop jet dust removal system outside electric shovel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3806335A1 (en) * | 1988-02-27 | 1989-09-07 | Gewerk Eisenhuette Westfalia | Cutter head for winning and advance-working machines, in particular selective-cut heading machines with cross-cutting head |
| AU2070200A (en) * | 1999-10-19 | 2001-04-26 | Yankuang Group Corporation | An apparatus for sucking dust by spraying high-pressure water in a sublevel caving hydraulic support for sublevel caving hydraulic support |
| CN102080565A (en) * | 2011-01-27 | 2011-06-01 | 山东科技大学 | Bracket spraying dust fall device used for fully mechanized caving coal mine working face |
| CN202467842U (en) * | 2012-03-23 | 2012-10-03 | 山东恒远机电开发有限公司 | Strong atomizing dust fall device of coal cutter |
| CN103643954A (en) * | 2013-12-16 | 2014-03-19 | 安徽理工大学 | Full-section automatic spraying and dust-falling device on body of coal mining machine |
-
2014
- 2014-11-12 CN CN201410633057.5A patent/CN104389630B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3806335A1 (en) * | 1988-02-27 | 1989-09-07 | Gewerk Eisenhuette Westfalia | Cutter head for winning and advance-working machines, in particular selective-cut heading machines with cross-cutting head |
| AU2070200A (en) * | 1999-10-19 | 2001-04-26 | Yankuang Group Corporation | An apparatus for sucking dust by spraying high-pressure water in a sublevel caving hydraulic support for sublevel caving hydraulic support |
| CN102080565A (en) * | 2011-01-27 | 2011-06-01 | 山东科技大学 | Bracket spraying dust fall device used for fully mechanized caving coal mine working face |
| CN202467842U (en) * | 2012-03-23 | 2012-10-03 | 山东恒远机电开发有限公司 | Strong atomizing dust fall device of coal cutter |
| CN103643954A (en) * | 2013-12-16 | 2014-03-19 | 安徽理工大学 | Full-section automatic spraying and dust-falling device on body of coal mining machine |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201505B (en) * | 2015-07-02 | 2017-10-13 | 山东科技大学 | A kind of air water injection apparatus and control dirt system for coal-winning machine cut dust |
| CN105201505A (en) * | 2015-07-02 | 2015-12-30 | 山东科技大学 | Gas-water injection device and dust control system for dust produced by cutting of coal cutter |
| CN105626134A (en) * | 2016-03-04 | 2016-06-01 | 山东科技大学 | Local area closed dust prevention and control method for fully mechanized coal mining working faces |
| CN105626134B (en) * | 2016-03-04 | 2018-06-05 | 山东科技大学 | A kind of closed dust prevention and control method of regional area for fully-mechanized mining working |
| CN108468542A (en) * | 2018-01-26 | 2018-08-31 | 安徽理工大学 | A kind of fully mechanized coal face dedusting system device and dust removal method |
| WO2020006815A1 (en) * | 2018-07-02 | 2020-01-09 | 山东科技大学 | Dust isolation and dust settling method and dust isolation and dust settling system for dust production due to cutting of coal mining machine |
| CN108915684A (en) * | 2018-07-02 | 2018-11-30 | 山东科技大学 | Dust-separation-dust-removing method and dust-separation-dust falling system for coalcutter cutting dust |
| CN109026126A (en) * | 2018-09-21 | 2018-12-18 | 中煤科工集团重庆研究院有限公司 | A kind of coal mining machine in full-mechanized mining face contrary wind coal cutting dust comprehensive processing method |
| CN110000615A (en) * | 2019-02-21 | 2019-07-12 | 宁波米诺机床有限公司 | A kind of four Spindle Machining Center special planes of automatic cleared of debris |
| WO2020215478A1 (en) * | 2019-04-24 | 2020-10-29 | 山东科技大学 | Air-and-spray curtain device and method for controlling and removing dust for fully mechanized mining working face through suction, induction and convection |
| CN110107341A (en) * | 2019-06-05 | 2019-08-09 | 陈业武 | A kind of mine down-hole fully-mechanized mining working shifting frame coal breakage fog gun device for reducing dust |
| CN110107341B (en) * | 2019-06-05 | 2024-02-20 | 陈业武 | Mine underground fully-mechanized coal mining face moving frame coal-falling fog gun dust-settling device |
| CN110173262A (en) * | 2019-06-27 | 2019-08-27 | 天地科技股份有限公司上海分公司 | Cutting units dust suppression structure |
| CN110424963A (en) * | 2019-07-12 | 2019-11-08 | 山东科技大学 | A kind of development machine aerosol injection collaboration control dust-extraction unit and application method |
| CN112483084A (en) * | 2020-11-10 | 2021-03-12 | 山东科技大学 | Fully-closed air curtain dust control method for fully-mechanized coal mining face |
| CN113172068A (en) * | 2021-04-30 | 2021-07-27 | 内蒙古科技大学 | High-pressure fog curtain closed-loop jet dust removal system outside electric shovel |
| CN113172068B (en) * | 2021-04-30 | 2022-09-27 | 内蒙古科技大学 | High-pressure fog curtain closed-loop jet dust removal system outside electric shovel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104389630B (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389630A (en) | Dust suppressing and removing device for fully mechanized coal mining face | |
| CN204238942U (en) | A kind of fully-mechanized mining working dust preventive and control device | |
| CN102536236B (en) | Settling, isolating and removing integrated dust prevention method of fully mechanized excavation face | |
| CN103266909B (en) | Dust removal method of working face coal dust in tunneling coal cutting of roadway unit and dust removal chamber | |
| CN102080565B (en) | Bracket spraying dust fall device used for fully mechanized caving coal mine working face | |
| CN103291348B (en) | Fully-mechanized mining working dust transfinites automatic dustfall method | |
| CN204511498U (en) | Mining tunnel comprehensively catches dirt purifier | |
| CN105626134A (en) | Local area closed dust prevention and control method for fully mechanized coal mining working faces | |
| CN103758557A (en) | Mine dust grading combined dust fall method and device | |
| CN102373942B (en) | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces | |
| CN111042854A (en) | Underground dust suppression device for coal mine | |
| CN104564068A (en) | Comprehensive dust preventing and treating device for fully-mechanized coal mining working face with large mining height of coal mine | |
| CN102230392A (en) | Mining face support movement automatic spray negative pressure secondary dust reducing method and device | |
| CN205315035U (en) | A dust removal humidifying equipment for colliery in pit | |
| CN104453979B (en) | The remodeling method of underground coal mine negative pressure-pumping dust collecting process | |
| CN2782759Y (en) | Water spraying vehicle for roadway of mine | |
| CN105065056A (en) | Coal mine underground multi-stage energy-saving roadway cleaning device | |
| CN203835430U (en) | Dust prevention device used for underground coal mine | |
| CN1295423C (en) | High-pressure gas-flow jet spraying and dust-reducing apparatus | |
| CN204140073U (en) | The two curtain device for reducing dust of a kind of air water for fully-mechanized mining working | |
| CN201924956U (en) | Novel support spraying dust suppression device | |
| CN209475865U (en) | A kind of double barrel type fog gun machines | |
| CN102937034A (en) | Dust-falling spraying device | |
| CN206694061U (en) | A kind of mine underground dustproof device | |
| CN203488175U (en) | Dust isolating device for rotary wind curtain of coal mining machine on fully mechanized coal mining face |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |