CN106382128B - A kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit - Google Patents
A kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit Download PDFInfo
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- CN106382128B CN106382128B CN201611013149.9A CN201611013149A CN106382128B CN 106382128 B CN106382128 B CN 106382128B CN 201611013149 A CN201611013149 A CN 201611013149A CN 106382128 B CN106382128 B CN 106382128B
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- separating device
- vent passages
- gas
- air duct
- lane space
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- 239000003245 coal Substances 0.000 title claims abstract description 55
- 238000009423 ventilation Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 230000008961 swelling Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000003197 catalytic effect Effects 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000005641 tunneling Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000006757 chemical reactions by type Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000003519 ventilatory effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to a kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit to be broken it into two by rebuilding the airspace of coal road；Internal layer vent passages execute normal dash standard, and outer layer vent passages are because it is without other any techniques, just with ventilation gas-removing, therefore, it can be executed by the standard in special drawing-off gas lane, highest permission gas density has been increased to 2.5% by 1%, has substantially increased the ability of Ventilatory treating gas.Connector can voluntarily adjust its length according to the gas density of outer layer vent passages, so that the spatial volume of outer layer vent passages can change with the variation of gas density；Under the premise of ensuring that gas density does not transfinite, the cross dimensions of internal layer vent passages is improved as far as possible, reduces the influence to piercing technique.
Description
Technical field
The present invention relates to it is a kind of control coal road ventilating air device, especially with regard to can according to tunnel gas density from
A kind of dynamic coal road double-layer ventilation apparatus and method preventing gas exceeding limit for adjusting the double-deck lane space ratio.
Background technology
It is well known that coal roadway tunneling is the essential work of coal mine pit mining；During coal roadway tunneling, again
Certainly exist gas control problem.
Currently, coal mine gas control method can be divided into two kinds of ventilation and extraction；For the relatively high coal seam of gas bearing capacity（Very
As for projecting coal bed）, the gas control of coal roadway tunneling, two methods of generally use ventilation and extraction joint carry out；For gas
The low coal seam of comparision contents can be solved the gas control problem of coal roadway tunneling using ventilation.
It is higher for gas bearing capacity, the coal road of gas control cannot be solved the problems, such as only with method of ventilation（Country《Coal mine is pacified
Full regulation》It is required that the highest wind velocity of coal roadway tunneling is no more than 4m/s, also, the too high improvement for being also unfavorable for coal dust of wind speed, hold
Easily leading to Dust Concentration transfinites）If increasing extraction measure carries out gas control, need to increase corresponding human and material resources, expend
It is huge, it is uneconomical.
Therefore, for the gas control problem encountered during similar above-mentioned coal roadway tunneling, exploring one kind can meet
《Safety regulations in coal mine》Requirement, effectively prevent gas, wind speed and excessive amount of dust, and the ventilation side of gas control expense can be reduced
Method just seems particularly urgent with device.
Invention content
Technical problem underlying to be solved by this invention is to provide a kind of coal road double-layer ventilation device preventing gas exceeding limit
With method.
Solving the technical solution of above-mentioned technical problem is：A kind of coal road double-layer ventilation device preventing gas exceeding limit, by office
Portion's ventilation blower, air duct, lane space separating device and connector composition；The lane space separating device is elastic construction, by
Connector is hung in digging laneway, and longitudinal section matches with digging laneway vertical sectional shape, along the driving side of digging laneway
To extension, there are logical between the inner end and production face of lane space separating device and between its outer diameter and digging laneway inner wall
Road, bottom end come into full contact with ground, form linear internal layer vent passages and U-shaped outer layer vent passages, the vent passages with
Airway is connected to；The air duct is horizontally suspended in the inner wall side of lane space separating device, and outer end connects local fan；
The connector is thermal reaction type stretching structure, and when gas density transfinites, connector increases, and promotes lane space separating device
It deforms upon, outer layer vent passages volume is made to increase.
The connector includes coupling ring, rope, box, heat catalytic element, flexible bag, swelling agent and heat-conducting metal silk；
Swelling agent is completely filled in the flexible bag, heat catalytic element is set in box, and the peripheral wall of box is evenly distributed with air admission hole, and box one end is logical
Rope connection coupling ring is crossed, one end of the other end and flexible bag is connected, and heat-conducting metal silk defaults in swelling agent, and and thermocatalytic
Element connects；The connected rope of other end sequence and connection ring of flexible bag.
Counterweight is arranged in two bottom ends of the lane space separating device.
The swelling agent is mercury；The flexible bag is rubber bag tank.
The booster passes through clamp connection with air duct；Air duct is made of more piece, and specific joint number can be according to driving lane
Depending on the length in road, bonded using colloid between every two sections air duct；Air duct is laid with against lane space separating device, high from the ground
1-2m is tied using the rope of the ring and lane space separating device inner surface of air duct outer surface.
The connector three is set as one group, one of to be arranged right over lane space separating device, another two
Be symmetricly set on the top of lane space separating device both sides, and be arranged along the length of tunnel separating device it is multigroup, every two groups it
Between be spaced 5m, depending on specifically organizing several length according to tunnel.
A kind of coal road double-layer ventilation method preventing gas exceeding limit, its step are as follows：
Step 1）When digging laneway working face tunnel 6m when, airway wind inlet section away from digging laneway entrance 10m at
Install booster, parallel connection gives a dinner for a visitor from afar cylinder to inlet；
Step 2）It is laid with lane space separating device, and it is hung with digging laneway using connector and is connected, tunnel is empty
Between two bottom end of separating device touched with ground under the counterweight effect wrapped up, and it is substantially sealed off, to effectively realize tunnel
Space segmentation；
Step 3）The joint number for increasing air duct is arranged, from the ground high 1-2m along the inside of lane space separating device, uses
Air duct and space-separating device are tied by rope；
Step 4）Start booster, it is distinguished and admirable to flow to working face through air duct, part gas and it is distinguished and admirable divulge information through internal layer it is logical
Road flows outwardly, and highest allows gas density to be 1%；Another part gas and it is distinguished and admirable flow to outer layer vent passages, and with lane on the way
The gas that road coal wall is gushed out mixes, and flows outwardly, and highest allows gas density to be 2.5%；
Step 5）In digging laneway entry position, two strands distinguished and admirable to converge, and is diluted through the main airstream of airway wind inlet section
Afterwards, flow ventilation tunnel air return section together；
Step 6）With pushing ahead for working face, extend lane space separating device and air duct in time；Lane space point
It reduces or extends with the gas density increase and decrease in outer layer vent passages every the sectional dimension of device, transfinite ensuring gas not
Under conditions of, increase the cross dimensions of internal layer vent passages as far as possible, effectively reduces the influence to piercing technique.
The digging laneway forms T-shaped structure with airway, and the coal road of the present invention for preventing gas exceeding limit is double-deck
Digging laneway is divided into two skies of internal layer vent passages and outer layer vent passages by ventilation device using lane space separating device
Between, so that the wind of booster 1 divides two-way return air after air duct 2 reaches digging laneway end.In internal layer vent passages
It is interior, arrange that normal piercing technique, air-conditioning requirement are consistent with normal coal road（Highest allows gas density to be 1%）；
It in outer layer vent passages, only divulges information, without other any techniques, therefore, is considered as special drawing-off gas lane（Highest allows
Gas density is 2.5%）.
The method of ventilation of the above-mentioned coal road double-layer ventilation device for preventing gas exceeding limit contains device in Gas in outer layer vent passages
Body can be freely accessible to box with holes, and oxidation reaction occurs with heat catalytic element, and the heat of generation is passed by heat-conducting metal silk
Pass swelling agent；When the gas density in outer layer tunnel increases, swelling agent can heat up expansion, and flexible bag is in bulbs of pressure effect
Under, automatic to extend, to increase the length of connector, and the spatial volume for eventually leading to outer layer vent passages increases, and increases wind
Amount reduces gas density；Conversely, when the gas density in outer layer tunnel reduces, the length of connector can be shunk automatically, and outer layer is logical
The spatial volume in wind channel reduces, and air quantity reduces, and gas density rises.Return from outer layer vent passages and internal layer vent passages
It is distinguished and admirable mix after, concentration can exceed that the maximum permissible concentration in common tunnel（1%）, still, as long as it is appropriate increase into
The air quantity of wind section, you can dilute the gas density, it is ensured that the gas density of air return section will not transfinite.
The beneficial effects of the invention are as follows：A kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit, by again
The airspace for building coal road, breaks it into two；Internal layer vent passages execute normal dash standard, and outer layer is divulged information
Channel is because it is without other any techniques, just with ventilation gas-removing, therefore, can come by the standard in special drawing-off gas lane
It executes, highest permission gas density has been increased to 2.5% by 1%, has substantially increased the ability of Ventilatory treating gas.Connector can
Voluntarily adjust its length according to the gas density of outer layer vent passages so that the spatial volume of outer layer vent passages can with watt
The variation of this concentration and change；Under the premise of ensuring that gas density does not transfinite, the section of internal layer vent passages is improved as far as possible
Size reduces the influence to piercing technique.Since the highest of outer layer vent passages allows gas density than common ventilation tunnel
Height, and the spatial volume of outer layer vent passages can voluntarily be adjusted according to gas density, and therefore, which is greatly improved part
The gas control ability of ventilation；Solves Treatment process problem when gas flowing in coal layer is higher for a long time（Only with general
Logical method of ventilation, gas are easy to transfinite；Increase gas pumping technical measures, somewhat expensive）.
Description of the drawings
Fig. 1 is the embodiment of the present invention structural schematic diagram.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the structural schematic diagram of connector.
It is marked in figure as follows：1. booster, 2. air ducts, 3. lane space separating devices, 4. connectors, 41. connections
Ring, 42. ropes, 43. boxes, 44. heat catalytic elements, 45. flexible bags, 46. swelling agents, 47. heat-conducting metal silks, 48. ropes,
49. coupling ring, 5. internal layer vent passages, 6. outer layer vent passages, 7. airways, 8. digging laneways.
Specific implementation mode
A kind of coal road double-layer ventilation device preventing gas exceeding limit is can be seen that in conjunction with attached drawing 1,2 and 3, by local ventilation
Machine 1, air duct 2, lane space separating device 3 and connector 4 form；The lane space separating device 3 is elastic construction, by joining
It connects device 4 to hang in digging laneway 8, longitudinal section matches with 8 vertical sectional shape of digging laneway, along the driving of digging laneway 8
Direction extends, between the inner end and production face of lane space separating device 3 and between 8 inner wall of its outer diameter and digging laneway there are
Channel, bottom end come into full contact with ground, form linear internal layer vent passages 5 and U-shaped outer layer vent passages 6, and the ventilation is logical
Road is connected to airway 7；The air duct 2 is horizontally suspended in the inner wall side of lane space separating device 3, outer end connection office
Portion's wind turbine 1；The connector 4 is thermal reaction type stretching structure, and when gas density transfinites, connector 4 increases, and promotes tunnel empty
Between separating device 3 deform upon, make outer layer vent passages body 6 product increase.
The connector 4 include coupling ring 41,49, rope 42,48, it is box 43, heat catalytic element 44, flexible bag 45, swollen
Swollen dose 46 and heat-conducting metal silk 47；Swelling agent 46 is completely filled in the flexible bag 45, heat catalytic element 44 is set in box 43, box
The peripheral wall of son 43 is evenly distributed with air admission hole, and 43 one end of box connects coupling ring 41, one end of the other end and flexible bag 45 by rope 42
It is connected, heat-conducting metal silk 47 defaults in swelling agent 46, and is connect with heat catalytic element 44；The other end sequence of flexible bag 45 is solid
Even rope 48 and connection ring 49.
Counterweight is arranged in two bottom ends of the lane space separating device 3.
The swelling agent 46 is mercury；The flexible bag 45 is rubber bag tank.
The booster 1 passes through clamp connection with air duct 2；Air duct 2 is made of more piece, and specific joint number can be according to driving
Depending on the length in tunnel 8, bonded using colloid between every two sections air duct 2；Air duct 2 is laid with against lane space separating device 3, from
The high about 1-2m in ground is tied using the rope of the ring and 3 inner surface of lane space separating device of 2 outer surface of air duct.
It is connected using connector 4 between the lane space separating device 3 and the lane wall of digging laneway 8, and it
The counterweights such as the higher iron of density or stone are wrapped up at both ends, it is made to be touched always with ground, it is ensured that lane space segmentation is accomplished tight
It is close, reliable；The coupling ring 4-1 of connector 4 is tied up to by rope on 3 outer surface of lane space separating device；Coupling ring 4-1 passes through
Rope 4-2 is connected with box 4-3 with holes；Heat catalytic element 4-4 is built in box 4-3 with holes, and is penetrated with holes
Box 4-3 is connected with heat-conducting metal silk 4-7.
The swelling agent 4-6 and heat-conducting metal silk 4-7 are placed on inside flexible bag 4-5；Rope 4-8 and box 4-3 pass through
Flexible bag 4-5 is connected；The other end of rope 4-8 ties up on coupling ring 4-9, and coupling ring 4-9 tightly hangs over the anchor net of tunnel coal wall
On.
The connector 4 three is set as one group, and one of setting is right over lane space separating device 3, and another two
A top for being symmetricly set on 3 both sides of lane space separating device, and it is multigroup along the setting of the length of tunnel separating device 3, every two
5m is spaced between group, depending on specifically organizing several length according to tunnel.
When coal road tunnels forward, coal wall, coal breakage and tunnel coal wall can gush out gas on the way in front of working face；Air duct 2
After wind is sent into working face, the gas major part that coal wall and coal breakage are gushed out in front of working face is by distinguished and admirable from internal layer vent passages 5
It takes out of, rest part flows with the wind enters outer layer vent passages 6, and is mixed with tunnel coal wall is gushed out on the way gas, to
Outer outflow；After reaching access to coal tunnel position, with the air return section in the main airstream flow ventilation tunnel 7 of 7 wind inlet section of airway.
A kind of coal road double-layer ventilation method preventing gas exceeding limit, its step are as follows：
Step 1）When 8 working face of digging laneway tunnel 6m when, airway 7 wind inlet section away from 7 entrance of digging laneway
Install booster 1 at 10m, parallel connection gives a dinner for a visitor from afar cylinder 2 to inlet；
Step 2）It is laid with lane space separating device 3, and it is hung with digging laneway 8 using connector 4 and is connected, lane
Space-separating device two bottom end in road is touched under the counterweight effect wrapped up with ground, and substantially sealed off, to effectively realize
Divide in the space in tunnel；
Step 3）The joint number for increasing air duct 2 is arranged along the inside of lane space separating device 3, and high 1-2m, is adopted from the ground
Air duct and lane space separating device 3 are tied with rope；
Step 4）Start booster 1, it is distinguished and admirable to flow to working face through air duct 2, it part gas and distinguished and admirable divulges information through internal layer
Channel 5 flows outwardly, and highest allows gas density to be 1%；Another part gas and it is distinguished and admirable flow to outer layer vent passages 6, and with edge
The gas that way tunnel coal wall is gushed out mixes, and flows outwardly, and highest allows gas density to be 2.5%；
Step 5）In 8 entry position of digging laneway, two strands distinguished and admirable to converge, and the main airstream through 7 wind inlet section of airway is dilute
After releasing, 7 air return section of flow ventilation tunnel together；
Step 6）With pushing ahead for working face, extend lane space separating device 3 and air duct 2 in time；Lane space
The sectional dimension of separating device 3 increases and decreases and diminution or extension with the gas density in outer layer vent passages 6, is ensuring gas not
Under conditions of transfiniting, increases the cross dimensions of internal layer vent passages 5 as far as possible, effectively reduce the influence to piercing technique.
With reference to embodiment, the invention will be further described.
7 section of airway for having constituted ventilation circuit is trapezoidal, upper hem width 4m, lower hem width 5m, high 4m, long 2000m,
Using H-shaped steel supporting；8 section of digging laneway is in Semicircular arched, and the radius of semicircle is 2m, the wide 4m in tunnel, the center of circle to ground height
2m, using bolting with wire mesh, the long 1000m in tunnel.
Booster 1 is FBD series coal quo of local Fan for Mine, and air duct 2 is mining light flexible air duct, diameter
600mm, long 1010m；The clip for coupling booster 1 and air duct 2 is double steel wire clips.
Lane space separating device 3 is the overall length 995m with certain elastic and airtight, anlistatig rubber, wide about
13.4m；Its peripheral profile is from tunnel coal wall about 0.5m.
Coupling ring 4-1 and coupling ring 4-9 is a circular iron wire ring, iron wire diameter itself 2mm, round diameter 40mm；
Rope 4-2 and rope 4-8 is common nylon rope, diameter 4mm, long 0.1m；Box 4-3 is an explosion-proof shell, and there are multiple on surface
Diameter 1mm apertures enter convenient for gas, and material is stainless steel, long 0.1m, wide 0.1m, thick 0.05m；Heat catalytic element 4-4 is
MJC4T series Coal mine methane detection carrier catalyst elements；Flexible bag 4-5 is a rubber bag tank, and long 0.2m, thickness is
0.1m；Swelling agent 4-6 is mercury, and rubber bag tank is filled under room temperature；Heat-conducting metal silk 4-7 is aluminium wire, diameter 2mm, long 150mm.
Claims (9)
1. a kind of coal road double-layer ventilation device preventing gas exceeding limit, which is characterized in that empty by booster, air duct, tunnel
Between separating device and connector composition；The lane space separating device is elastic construction, and digging laneway is hung on by connector
Interior, longitudinal section matches with digging laneway vertical sectional shape, and the tunneling direction along digging laneway extends, and lane space separates dress
There are channels, bottom end to be come into full contact with ground between the inner end set and production face and between its outer diameter and digging laneway inner wall,
It forms linear internal layer vent passages and U-shaped outer layer vent passages, the vent passages is connected to airway；The air duct water
The flat inner wall side for hanging on lane space separating device, outer end connect local fan；The connector is stretched for thermal reaction type
Shrinking structure, when gas density transfinites, connector increases, and promotes lane space separating device to deform upon, makes outer layer vent passages
Volume increases.
2. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1, which is characterized in that described
It includes coupling ring, rope, box, heat catalytic element, flexible bag, swelling agent and heat-conducting metal silk to connect device；It is full in the flexible bag
Swelling agent is filled, heat catalytic element is set in box, and the peripheral wall of box is evenly distributed with air admission hole, and box one end is connected by rope to be coupled
One end of ring, the other end and flexible bag is connected, and heat-conducting metal silk defaults in swelling agent, and is connect with heat catalytic element；Elasticity
The connected rope of other end sequence and connection ring of bag.
3. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 2, which is characterized in that described swollen
Swollen dose is mercury.
4. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 2, which is characterized in that the bullet
Property bag be rubber bag tank.
5. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1, which is characterized in that the lane
Counterweight is arranged in two bottom ends of road space-separating device.
6. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1, which is characterized in that the office
Portion's ventilation blower passes through clamp connection with air duct.
7. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1, which is characterized in that the wind
Cylinder is made of more piece, is bonded using colloid between every two sections air duct；Air duct is laid with against lane space separating device, high from the ground
1-2m is tied using the rope of the ring and lane space separating device inner surface of air duct outer surface.
8. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1, which is characterized in that described
It connects device three and is set as one group, one of to be arranged right over lane space separating device, another two is symmetricly set on tunnel
The top of space-separating device both sides, and it is multigroup along the setting of the length of tunnel separating device, it is spaced 5m between every two groups.
9. a kind of coal road double-layer ventilation device preventing gas exceeding limit according to claim 1-8 any one claims
Application method, which is characterized in that be as follows：
Step 1）When digging laneway working face tunnels 6m, in the wind inlet section in airway away from being installed at digging laneway entrance 10m
Booster, parallel connection give a dinner for a visitor from afar cylinder to inlet；
Step 2）It is laid with lane space separating device, and it is hung with digging laneway using connector and is connected, lane space point
It is touched with ground under the counterweight effect wrapped up every two bottom end of device, and substantially sealed off, to effectively realize the sky in tunnel
Between divide；
Step 3）The joint number for increasing air duct is arranged, from the ground high 1-2m along the inside of lane space separating device, using rope
Air duct and space-separating device are tied；
Step 4）Start booster, it is distinguished and admirable to flow to working face through air duct, part gas and it is distinguished and admirable through internal layer vent passages to
Outer outflow, highest allow gas density to be 1%；Another part gas and it is distinguished and admirable flow to outer layer vent passages, and with tunnel coal on the way
The gas that wall is gushed out mixes, and flows outwardly, and highest allows gas density to be 2.5%；
Step 5）In digging laneway entry position, two strands distinguished and admirable to converge, and after the dilution of the main airstream of airway wind inlet section,
Flow ventilation tunnel air return section together；
Step 6）With pushing ahead for working face, extend lane space separating device and air duct in time；Lane space separates dress
The sectional dimension set is decreased or increased as the gas density in outer layer vent passages increases and decreases, in the item for ensuring that gas does not transfinite
Under part, increases the cross dimensions of internal layer vent passages as far as possible, effectively reduce the influence to piercing technique.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611013149.9A CN106382128B (en) | 2016-11-18 | 2016-11-18 | A kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit |
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| CN201611013149.9A CN106382128B (en) | 2016-11-18 | 2016-11-18 | A kind of coal road double-layer ventilation apparatus and method preventing gas exceeding limit |
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| CN106382128B true CN106382128B (en) | 2018-10-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107939435A (en) * | 2017-12-17 | 2018-04-20 | 北京昊华能源股份有限公司 | A kind of coal road dash system |
| CN108661640B (en) * | 2018-03-12 | 2019-05-24 | 张庆振 | Half-edge coal seam longwall top coal caving technique based on artificial tunnel U-shaped horizontal ventilation |
| CN109209460B (en) * | 2018-09-28 | 2024-01-23 | 南安顺博污水科技处理有限公司 | Tunnel ventilation pipe capable of purifying automobile exhaust |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2126889C1 (en) * | 1997-02-18 | 1999-02-27 | Стекольщиков Геннадий Гаврилович | Method for ventilation of gassy stoping section |
| CN101581227A (en) * | 2009-06-22 | 2009-11-18 | 王家林 | Coal mine double-layer translation self-control ventilation door device |
| CN101915119A (en) * | 2010-08-31 | 2010-12-15 | 安艾江 | Method for preventing gas explosion of driving face in coal mine |
| CN102720518A (en) * | 2012-06-18 | 2012-10-10 | 太原理工大学 | Double-U ventilation system for fully-mechanized caving coal working face |
| CN205135689U (en) * | 2015-11-19 | 2016-04-06 | 成都九十度工业产品设计有限公司 | Mine ventilation system |
| CN205189927U (en) * | 2015-12-14 | 2016-04-27 | 中铁二十局集团第六工程有限公司 | Gas construction structures is got rid of with pressure wind to high gas tunnel construction |
| CN206267863U (en) * | 2016-11-18 | 2017-06-20 | 华北科技学院 | A kind of coal road double-layer ventilation device for preventing gas exceeding limit |
-
2016
- 2016-11-18 CN CN201611013149.9A patent/CN106382128B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2126889C1 (en) * | 1997-02-18 | 1999-02-27 | Стекольщиков Геннадий Гаврилович | Method for ventilation of gassy stoping section |
| CN101581227A (en) * | 2009-06-22 | 2009-11-18 | 王家林 | Coal mine double-layer translation self-control ventilation door device |
| CN101915119A (en) * | 2010-08-31 | 2010-12-15 | 安艾江 | Method for preventing gas explosion of driving face in coal mine |
| CN102720518A (en) * | 2012-06-18 | 2012-10-10 | 太原理工大学 | Double-U ventilation system for fully-mechanized caving coal working face |
| CN205135689U (en) * | 2015-11-19 | 2016-04-06 | 成都九十度工业产品设计有限公司 | Mine ventilation system |
| CN205189927U (en) * | 2015-12-14 | 2016-04-27 | 中铁二十局集团第六工程有限公司 | Gas construction structures is got rid of with pressure wind to high gas tunnel construction |
| CN206267863U (en) * | 2016-11-18 | 2017-06-20 | 华北科技学院 | A kind of coal road double-layer ventilation device for preventing gas exceeding limit |
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| CN106382128A (en) | 2017-02-08 |
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