CN207093088U - A kind of digging laneway dust goes out except device - Google Patents

A kind of digging laneway dust goes out except device Download PDF

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Publication number
CN207093088U
CN207093088U CN201721122258.4U CN201721122258U CN207093088U CN 207093088 U CN207093088 U CN 207093088U CN 201721122258 U CN201721122258 U CN 201721122258U CN 207093088 U CN207093088 U CN 207093088U
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China
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dust
nozzle
blower fan
air duct
suspended hood
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CN201721122258.4U
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Chinese (zh)
Inventor
黄丽琴
郭生龙
赵晋生
陈雪飞
高俊光
韩忠亮
白赟彪
卢川川
熊世伟
白耀东
张义
曲补和
高翔
孙智宇
贺卫民
张世宗
姜飞
杨兵
王晓峰
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Taizhong Coal Mining Machinery Co Ltd
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Taizhong Coal Mining Machinery Co Ltd
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Abstract

It the utility model is related to coal extractive equipment field, a kind of roadway dust is proposed to go out except device, including water spray injector system and the dust killing system being arranged on above development machine, dust killing system includes preposition suspended hood, transition air duct, primary dust removing blower fan and the skeleton air duct being sequentially connected;Primary dust removing blower fan includes pull-out type axle stream anti-explosion ventilator and dust extractor, pull-out type axle stream anti-explosion ventilator includes wind sucting tube, impeller, fire-proof motor, electric machine casing, dust extractor includes inlet tube, vibratory string filter, dehydration device, sewage draining exit and the vibratory string filter nozzle using Venturi tube structure, water spray injector system includes one-level pressue device and two-stage pressurizing device, and the output hydraulic pressure of two-stage pressurizing device is more than one-level pressue device.The utility model can effectively go out except the high concentrate dust of digging laneway, improve the operating environment of underground coal mine, can be widely applied to coal digging field.

Description

A kind of digging laneway dust goes out except device
Technical field
The utility model belongs to coal extractive equipment field, and in particular to a kind of digging laneway dust goes out except device.
Background technology
In mining pit construction, whether use and blow out excavated technology, or using development machine or the machinery of drill jumbo Excavated technology, substantial amounts of Mine Dust can be produced during tunnel initating, wherein mainly coal dust and rock dirt.Mine Dust is One of major casualty material in mine construction, its presence may trigger blast, especially in highly gassy mine.Colliery powder The presence of dirt, the safety work of underground labour can be also directly affected, on the one hand expiratory dyspnea, blurred vision, can not normal operating Machinery and equipment, reduce labor productivity;On the other hand because sucking a large amount of dust, occupational disease may be suffered from and influences body and be good for Health.
In tunnel initating production, the link such as cut, blanking, rake dress, transport, reprinting can produce high concentrate dust.Work People have worn dust mask, still cisco unity malfunction, often tunnel a bit of, must shut down, could continue after dust is scattered Work.In order to improve working environment at coal mines, ensure worker's job safety, national departments concerned requires that coal mining enterprise must adhere to out Coal dust preventing and controlling are opened up, administer digging operation place and return aircourse coal dust accumulation serious problems, dirt, dedusting work are caught in reinforcing.
The equipment that development machine is used exclusively for roadway forming, a set of water spray injector system is designed with development machine, by three Part forms.Part I is external spraying, and above cutting reducer and both sides, current cover the upper and lower of working face; Part II is sprayed for injection, and above cutting reducer, locus is less than external spraying frame, and current cover working face Right and left;Part III is internal spraying, and spiral shape is distributed on cutterhead circumference, and with the rotation of cutterhead, vaporific current cover Cover in front of working face.Before cutting motor operating, water spray injector system, current and water smoke cladding working face coal are started first Cut operation is carried out again behind layer and rock stratum, makes saturated with water in cut junk, deadweight increases and accelerates to fall, so as to gumming of going out Dirt.But in practical operation, the water of development machine water spray injector system is limited(If water is too big to influence operation and safety), and And drift section product is larger, so can only go out except part dust.
The equipment that wet type vibratory string blower fan is used exclusively for tunnel dedusting, by pull-out type anti-explosion ventilator, sprayer, vibratory string mistake Filter plate and dehydration device etc. form.Sprayed to filter, densely covered fine fibre forms water curtain with water smoke thereon, makes to adhere in air Dust moistening weightening, slid along fiber and be easy to collect.Air passes through caused impulsive force to vibrate water curtain, Promote the landing of dust and its purification of filter.
Development machine and wet type vibratory string blower fan are all the machinery equipments of independent operating, and the mechanism of the two chalk dust removing that goes out is different, such as Their use in conjunction are made tunnel dust concentration reduce to greatest extent, are this patent technical problems to be solved by what.
Utility model content
The utility model overcomes the shortcomings of the prior art, and technical problem to be solved is:A kind of dedusting effect is provided The good digging laneway dust of fruit goes out except device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:A kind of digging laneway dust, which goes out, to be removed Device, including water spray injector system, the water spray injector system include outside water system and are connected with outside water system Nozzle, the nozzle are arranged on development machine front end, including external spraying nozzle, inner spraying nozzle and injection spray nozzle, the pick Enter machine tunnel to go out except device also includes being arranged on the dust killing system above development machine, the dust killing system is included successively Preposition suspended hood, transition air duct, primary dust removing blower fan and the skeleton air duct of connection;The head cross-sectional of the preposition suspended hood is Rectangle, and steel wire is provided with, afterbody cross section is circle, and the preposition suspended hood is arranged on above cutting arm of tunneling machine, its Afterbody is connected with the head of transition air duct;The primary dust removing blower fan includes pull-out type axle stream anti-explosion ventilator and dust extractor, institute State the wind sucting tube that pull-out type axle stream anti-explosion ventilator includes being located at front end, one end of the wind sucting tube and the tail of the transition air duct Portion connects, and the other end is provided with impeller, and the impeller is connected with the fire-proof motor being located behind, and is set outside the fire-proof motor There is electric machine casing, the dust extractor includes inlet tube, vibratory string filter and the dehydration device using Venturi tube structure, the entrance Pipe connects with the exhaust outlet of the pull-out type axle stream anti-explosion ventilator, and the vibratory string filter is arranged on the inlet tube and described Between dehydration device, the vibratory string filter is with being provided with sewage draining exit, the vibratory string filter top below the dehydration device The vibratory string filter nozzle being connected with the water spray injector system is provided with, the vibratory string filter nozzle is used for the vibratory string Filter is sprayed;The air outlet of the primary dust removing blower fan is connected with the skeleton air duct;The water spray injector system includes one Level pressue device and two-stage pressurizing device, water inlet and the outside water system of the one-level pressue device and two-stage pressurizing device Connection, the delivery port of the one-level pressue device connect with the external spraying nozzle, injection spray nozzle, vibratory string filter nozzle Connect, sprayed for being conveyed to the external spraying nozzle, injection spray nozzle, vibratory string filter after being pressurizeed to outside water supply respectively Mouth, the delivery port of the two-stage pressurizing device are connected with the inner spraying nozzle, for being conveyed after being pressurizeed to outside water supply To inner spraying nozzle, the output hydraulic pressure of the two-stage pressurizing device is more than the one-level pressue device.
The external spraying nozzle and injection spray nozzle are Venturi nozzle, and the inner spraying nozzle is vaporific nozzle.
The preposition suspended hood also includes suspended hood mounting bracket, and the suspended hood is fixed on driving by suspended hood mounting bracket Above machine cutting arm, the primary dust removing blower fan also includes assembling base, fan supporter, and the primary dust removing blower fan passes through Assembling base and fan supporter are fixedly installed on machine body of boring machine, and the skeleton air duct also includes skeleton air duct bracket, The skeleton air duct is fixedly installed on above belt elevating conveyor by skeleton air duct bracket, with belt elevating conveyor along collapsible band Conveyor rail is walked.
A kind of described digging laneway dust goes out except device, in addition to sliding trolley and with the primary dust removing blower fan structure Identical two-stage dust removal blower fan, the sliding trolley be arranged on extensible belt conveyor track and with belt elevating conveyor dolly Be hinged, the air inlet of the two-stage dust removal blower fan is connected with the exhaust outlet of the skeleton air duct, and the two-stage dust removal blower fan is fixed It is arranged on the sliding trolley, with sliding trolley along extensible belt conveyor track travel.
The water outlet hydraulic pressure of the one-level pressue device is 3.0MPa, and the water outlet hydraulic pressure of the two-stage pressurizing device is 8MPa.
The afterbody cross-sectional diameter of the preposition suspended hood is Φ 600mm, and the size of head rectangle is:Wide 1400mm ~ 1500mm, high 200mm, the distance of the preposition suspended hood and working face are less than 5000mm.
The utility model has the advantages that compared with prior art:
1st, the utility model is equipped with including preposition suspended hood and primary dust removing by cleverly setting above development machine The dust killing system of blower fan so that spraying, filtering in existing development machine water spray injector system and dust killing system, take off Water function phase combines, and can effectively go out except the high concentrate dust of digging laneway, improves the operating environment of underground coal mine, ensures underground The health of worker, reduce abrasion of the dust to machinery equipment.
2nd, water spray injector system of the present utility model uses two-stage pressue device, wherein external spraying, injection spraying and vibratory string Filtering spraying is using the current after one-level pressurization, and internal spraying is using the current after the bigger two-stage pressurizing of pressure so that system After pressure increases, the range increase of spraying current, effective over working face in front of development machine, improve dirt effect of going out.In addition, by Atomisation pressure above vibratory string filter also increases, and promotes dust moistening and fiber vibration, strengthens dust removing effects.
3rd, primary dust removing blower fan of the present utility model includes pull-out type axle stream anti-explosion ventilator and dust extractor, dust extractor front end Inlet tube use venturi-shaped, when high speed dusty gas passes through Venturi tube, drive surrounding gas enter injection, shape Circulated into big flow, and when neck of the dusty gas Jing Guo Venturi tube, equivalent to by compression, larger of promotion The quick sewage draining exit for sinking to lower section of grain, and fine particle enhances dust and gone out then quickly through vibratory string filter plate is entered Except the dust removing effects of device.
4th, dust killing system of the present utility model is provided with preposition suspended hood in the front end of primary dust removing blower fan so that removes The air intake of dirt blower fan can extend to development machine working face, be easy to suck dust laden air, preposition suspended hood is internally provided with steel Silk screen, it can also prevent spoil, coal cinder etc. from damaging blower fan;And preposition suspended hood uses rectangular head and circular tail structure, is easy to Development machine operating personnel work, and do not influence visual line of sight so that air inlet can to greatest extent close to development machine working face, Improve dust removing effects.
Brief description of the drawings
Fig. 1 is that a kind of digging laneway dust that the utility model embodiment 1 proposes goes out except the dust killing system of device Front view;
Fig. 2 is that a kind of digging laneway dust that the utility model embodiment 1 proposes goes out except the dust killing system of device Top view;
Fig. 3 is that a kind of digging laneway dust that the utility model embodiment 1 proposes goes out except the water spray injector system of device Structural representation;
Fig. 4 is the structural representation of primary dust removing blower fan;
Fig. 5 is the front view of preposition suspended hood;
Fig. 6 is the top view of preposition suspended hood;
Fig. 7 is that a kind of digging laneway dust that the utility model embodiment 2 proposes goes out except the dust killing system of device Front view;
In figure:1 is development machine, and 2 be dust killing system, and 3 be preposition suspended hood, and 4 be transition air duct, and 5 be primary dust removing Blower fan, 6 be skeleton air duct, and 7 be belt elevating conveyor, and 8 be extensible belt conveyor track, and 9 be two-stage dust removal blower fan, and 10 be cunning Dolly is moved, 11 be belt elevating conveyor dolly, and 101 be external spraying nozzle, and 102 be inner spraying nozzle, and 103 be injection spray nozzle, 104 be one-level pressue device, and 105 be two-stage pressurizing device, and 31 be suspended hood mounting bracket, and 51 be pull-out type axle stream explosion venting Machine, 52 be dust extractor, 53 is assembling base, 54 is fan supporter, and 61 be skeleton air duct bracket, and 511 be wind sucting tube, 512 For impeller, 513 be fire-proof motor, and 514 be electric machine casing, 521 is inlet tube, 522 is vibratory string filter, and 523 be dehydration device, 524 be sewage draining exit, and 525 be vibratory string filter nozzle.
Embodiment
, below will be to the utility model to make the purpose, technical scheme and advantage of the utility model embodiment clearer Technical scheme in embodiment is clearly and completely described, it is clear that described embodiment is a part of the present utility model Embodiment, rather than whole embodiments;Based on the embodiment in the utility model, those of ordinary skill in the art are not making Go out under the premise of creative work the every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment 1 provides a kind of digging laneway dust and gone out except device, including water spray injector system and powder Dirt killing system 2, as depicted in figs. 1 and 2, the dust killing system 2 are arranged on the top of development machine 1, and the dust, which goes out to remove, is System 2 includes preposition suspended hood 3, transition air duct 4, primary dust removing blower fan 5 and the skeleton air duct 6 being sequentially connected;The preposition air draught Cover 3 is arranged on above cutting arm of tunneling machine, and its afterbody is connected with the head of transition air duct 4;The air intake of the primary dust removing blower fan 5 Mouth is connected with the afterbody of the transition air duct 4, and the air outlet of the primary dust removing blower fan 5 is connected with the skeleton air duct 6.
Wherein, as shown in figure 3, the water spray injector system includes outside water system and is connected with outside water system Nozzle and one-level pressue device 104 and two-stage pressurizing device 105;The nozzle is arranged on development machine front end, including outer spray Atomizing nozzle 101, inner spraying nozzle 102 and injection spray nozzle 103;The one-level pressue device 104 and two-stage pressurizing device 105 Water inlet be connected with outside water system, the delivery port of the one-level pressue device 104 and the external spraying nozzle 101, draw Penetrate spray nozzle 103, vibratory string filter nozzle 525 connects, described outer for being conveyed to respectively after being pressurizeed to outside water supply Spray nozzle 101, injection spray nozzle 103, vibratory string filter nozzle 525, the delivery port of the two-stage pressurizing device 105 and institute State inner spraying nozzle 102 to connect, for being conveyed to inner spraying nozzle 102, the two-stage pressurizing after pressurizeing to outside water supply The output hydraulic pressure of device 105 is more than the one-level pressue device 104.
As shown in figure 4, being the structural representation of the primary dust removing blower fan 5, the primary dust removing blower fan 5 includes pull-out type Axle stream anti-explosion ventilator 51 and dust extractor 52, the pull-out type axle stream anti-explosion ventilator 51 include the wind sucting tube 511 positioned at front end, One end of the wind sucting tube 511 is connected with the afterbody of the transition air duct 4, and the other end is provided with impeller 512, the impeller 512 It is connected with the fire-proof motor 513 being located behind, electric machine casing 514, the dust extractor 52 is provided with outside the fire-proof motor 513 Include using Venturi tube structure inlet tube 521, vibratory string filter 522 and dehydration device 523, the inlet tube 521 with it is described The exhaust outlet connection of pull-out type axle stream anti-explosion ventilator 51, the vibratory string filter 522 are arranged on the inlet tube 521 and described Between dehydration device 523, the vibratory string filter 522 is provided with sewage draining exit 524 with the lower section of dehydration device 523, described to shake The top of string filter 522 is provided with the vibratory string filter being connected with the delivery port of the one-level pressue device of the water spray injector system Nozzle 525, the vibratory string filter nozzle 525 are used to spray to the vibratory string filter.
As shown in Figure 5 and Figure 6, it is the structural representation of the preposition suspended hood 3, the head of the preposition suspended hood 3 is horizontal Rectangular cross-section, the size of head rectangle are:Wide 1400mm ~ 1500mm, high 200mm, it is internally provided with steel wire, and afterbody is horizontal Section is circle, and a diameter of Φ 600mm of afterbody circular cross section, the distance of the preposition suspended hood and working face is less than 5000mm.The setting of preposition suspended hood allows the air intake of primary dust removing blower fan 5 to extend to development machine working face, is easy to inhale Enter dust laden air, preposition suspended hood is internally provided with steel wire, can also prevent spoil, coal cinder etc. from damaging blower fan;And preposition air draught Cover uses rectangular head and circular tail structure, is easy to development machine operating personnel to work, and do not influence visual line of sight so that air intake Mouth can improve dust removing effects to greatest extent close to development machine working face.
Further, the external spraying nozzle 101 and injection spray nozzle 103 are Venturi nozzle, the internal spraying spray Mouth 102 is vaporific nozzle.External spraying nozzle 101 and injection spray nozzle 103 are arranged to Venturi nozzle, ejection can be increased Flow, improve water spout clogging.
Further, in the water spray injector system, the water outlet hydraulic pressure of the one-level pressue device is 3.0MPa, described two The water outlet hydraulic pressure of level pressue device is 8MPa.The utility model uses two-stage pressuring method, i.e. the first order is pressurizeed, pressurization is produced 3 MPa current introduce external spraying, injection spraying and dedusting fan;The second level is pressurizeed, caused by pressurization in the introducing of 8 MPa current Atomizer passgae.After system pressure increases, the range increase of spraying current, effective over working face in front of development machine, improvement is gone out Dirt effect.
Further, as shown in figure 1, the dust killing system 2 also includes suspended hood mounting bracket 31, assembling base 53rd, fan supporter 54 and skeleton air duct bracket 61, the suspended hood 3 are fixed on cutting arm of tunneling machine by suspended hood mounting bracket 31 Top, the primary dust removing blower fan 5 are fixedly installed on machine body of boring machine by assembling base 53 and fan supporter 54, institute State skeleton air duct 6 and the top of belt elevating conveyor 7 is fixedly installed on by skeleton air duct bracket 61, with belt elevating conveyor 7 along scalable Ribbon conveyer track 8 is walked.
Operation principle of the present utility model is as follows:Caused dust granules are of different sizes in cut operation, and they connect at first Contact development machine injection current and water smoke, after being coated by water conduct oneself with dignity increase, bulky grain rapid descent, play one-level go out dirt work With small, microparticle is in descent, and due to the fire-proof motor impeller rotation in dedusting fan, the negative pressure of formation will be attached Near dusty gas sucks the wind sucting tube of primary dust removing blower fan through preposition suspended hood and transition air duct, has air-flow inside electric machine casing By the way that dusty gas rotation passes through blower fan runner, and in rotary course, under the action of the centrifugal force, larger particle is fallen, through taking out The little particle for going out the discharge of formula axle stream anti-explosion ventilator enters dust extractor with high-speed air, when high speed dusty gas passes through venturi knot During the inlet tube of structure, drive the gas of surrounding to enter injection, form big flow circulation, and when dusty gas is by inlet tube During neck, equivalent to by compression, promotion larger particles quickly sink to sewage draining exit, and fine particle is then quickly through stream To vibratory string filter, the fiber of vertical direction is covered with vibratory string filter, the fiber with water curtain can make dust moistening weightening or Aggregation, while dusty gas impact fiber makes it produce vibration, promotes the combination of small grit in water smoke and gas.Therefore, wear Cross that the shower water of vibratory string filter is behind the scenes, small, microparticle moistening weightening or aggregation in dust, slid along filter, it is and de- The water that water installations are formed is discharged through sewage draining exit together, and is departed from air out of dust and discharged along dust extractor afterbody dehydration device, warp Air outlet enters tunnel.
The utility model embodiment 2 it is also proposed a kind of digging laneway dust and go out except device, including water spray injector system and The structure of dust killing system, its water spray injector system and dust killing system is substantially the same manner as Example 1, and difference is Dust killing system also include sliding trolley 10 and with the completely identical in structure two-stage dust removal blower fan 9 of the primary dust removing blower fan 5. As shown in fig. 7, being the structural representation of the dust killing system in the utility model embodiment 2, the sliding trolley 10 is set It is on extensible belt conveyor track 8 and be hinged with belt elevating conveyor dolly 11, the air inlet of the two-stage dust removal blower fan 9 with The exhaust outlet connection of the skeleton air duct 6, the two-stage dust removal blower fan 9 is fixedly installed on the sliding trolley 10, with sliding Dolly 10 is walked along extensible belt conveyor track 8.In addition, the vibratory string filter nozzle in the two-stage dust removal blower fan 9 It is connected with the delivery port of the one-level pressue device of water spray injector system.By setting two dedusting fans, can further strengthen The dust removing effects of system, moreover, two-stage dust removal blower fan is mounted on the sliding trolley 10 being hinged with belt elevating conveyor dolly 11, Also allow two-stage dust removal blower fan to advance together with development machine, do not influence the stability of dust killing system.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (6)

1. a kind of digging laneway dust goes out except device, including water spray injector system, the water spray injector system includes outside supply water System and the nozzle being connected with outside water system, the nozzle are arranged on development machine front end, including external spraying nozzle(101), Inner spraying nozzle(102)With injection spray nozzle(103), it is characterised in that the digging laneway dust goes out except device also includes The dust killing system being arranged on above development machine(2), the dust killing system(2)Including the preposition suspended hood being sequentially connected (3), transition air duct(4), primary dust removing blower fan(5)With skeleton air duct(6);
The preposition suspended hood(3)Head cross-sectional be rectangle, and be provided with steel wire, afterbody cross section is circle, described Preposition suspended hood(3)It is arranged on above cutting arm of tunneling machine, its afterbody and transition air duct(4)Head connection;The one-level is removed Dirt blower fan(5)Including pull-out type axle stream anti-explosion ventilator(51)And dust extractor(52), the pull-out type axle stream anti-explosion ventilator (51)Including the wind sucting tube positioned at front end(511), the wind sucting tube(511)One end and the transition air duct(4)Afterbody connect Connect, the other end is provided with impeller(512), the impeller(512)With the fire-proof motor being located behind(513)Connection, it is described explosion-proof Motor(513)Outside is provided with electric machine casing(514), the dust extractor(52)Including the inlet tube using Venturi tube structure (521), vibratory string filter(522)And dehydration device(523), the inlet tube(521)With the pull-out type axle stream explosion venting Machine(51)Exhaust outlet connection, the vibratory string filter(522)It is arranged on the inlet tube(521)With the dehydration device (523)Between, the vibratory string filter(522)With the dehydration device(523)Lower section is provided with sewage draining exit(524), it is described to shake String filter(522)Top is provided with the vibratory string filter nozzle being connected with the water spray injector system(525), the vibratory string mistake Filter plate nozzle(525)For being sprayed to the vibratory string filter;The primary dust removing blower fan(5)Air outlet and the skeleton wind Cylinder(6)Connection;
The water spray injector system includes one-level pressue device(104)With two-stage pressurizing device(105), the one-level pressue device (104)With two-stage pressurizing device(105)Water inlet be connected with outside water system, the one-level pressue device(104)Go out The mouth of a river and the external spraying nozzle(101), injection spray nozzle(103), vibratory string filter nozzle(525)Connection, for external Portion's water supply is conveyed to the external spraying nozzle respectively after being pressurizeed(101), injection spray nozzle(103), vibratory string filter spray Mouth(525), the two-stage pressurizing device(105)Delivery port and the inner spraying nozzle(102)Connection, for being supplied water to outside Inner spraying nozzle is conveyed to after being pressurizeed(102), the two-stage pressurizing device(105)Output hydraulic pressure add more than the one-level Pressure device(104).
2. a kind of digging laneway dust according to claim 1 goes out except device, it is characterised in that the external spraying nozzle (101)With injection spray nozzle(103)For Venturi nozzle, the inner spraying nozzle(102)For vaporific nozzle.
3. a kind of digging laneway dust according to claim 1 goes out except device, it is characterised in that the preposition suspended hood (3)Also include suspended hood mounting bracket(31), the suspended hood(3)Pass through suspended hood mounting bracket(31)It is fixed on cutting arm of tunneling machine Top, the primary dust removing blower fan(5)Also include assembling base(53), fan supporter(54), the primary dust removing blower fan (5)Pass through assembling base(53)And fan supporter(54)It is fixedly installed on machine body of boring machine, the skeleton air duct(6)Also Including skeleton air duct bracket(61), the skeleton air duct(6)Pass through skeleton air duct bracket(61)It is fixedly installed on belt elevating conveyor (7)Top, with belt elevating conveyor(7)Along extensible belt conveyor track(8)Walking.
4. a kind of digging laneway dust according to claim 3 goes out except device, it is characterised in that also including sliding trolley (10)With with the primary dust removing blower fan(5)Structure identical two-stage dust removal blower fan(9), the sliding trolley(10)Being arranged on can Extension band type conveyor track(8)It is upper and with belt elevating conveyor dolly(11)It is be hinged, the two-stage dust removal blower fan(9)Air inlet With the skeleton air duct(6)Exhaust outlet connection, the two-stage dust removal blower fan(9)It is fixedly installed on the sliding trolley(10) On, with sliding trolley(10)Along extensible belt conveyor track(8)Walking.
5. a kind of digging laneway dust according to claim 1 goes out except device, it is characterised in that the one-level pressue device Water outlet hydraulic pressure be 3.0MPa, the water outlet hydraulic pressure of the two-stage pressurizing device is 8MPa.
6. a kind of digging laneway dust according to claim 1 goes out except device, it is characterised in that the preposition suspended hood (3)Afterbody cross-sectional diameter be Φ 600mm, the size of head rectangle is:Wide 1400mm ~ 1500mm, high 200mm, before described The distance for putting suspended hood and working face is less than 5000mm.
CN201721122258.4U 2017-09-04 2017-09-04 A kind of digging laneway dust goes out except device Active CN207093088U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559007A (en) * 2017-09-04 2018-01-09 太重煤机有限公司 A kind of digging laneway dust goes out except device
CN111173531A (en) * 2020-02-21 2020-05-19 中冶建工集团有限公司 Non-explosive excavation method for urban tunnel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559007A (en) * 2017-09-04 2018-01-09 太重煤机有限公司 A kind of digging laneway dust goes out except device
CN111173531A (en) * 2020-02-21 2020-05-19 中冶建工集团有限公司 Non-explosive excavation method for urban tunnel

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