CN208778035U - A kind of coal mining gas drainage equipment - Google Patents
A kind of coal mining gas drainage equipment Download PDFInfo
- Publication number
- CN208778035U CN208778035U CN201821634240.7U CN201821634240U CN208778035U CN 208778035 U CN208778035 U CN 208778035U CN 201821634240 U CN201821634240 U CN 201821634240U CN 208778035 U CN208778035 U CN 208778035U
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- CN
- China
- Prior art keywords
- blast pipe
- switch valve
- coal mining
- mine roadway
- coal mine
- 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.)
- Expired - Fee Related
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- Jet Pumps And Other Pumps (AREA)
Abstract
A kind of coal mining gas drainage equipment, belongs to coal mining equipment technical field.It provides a kind of coal mining gas drainage equipment that can effectively exclude methane gas, avoid that explosion phenomenon occurs when firedamp drainage.The entrance of the blast pipe is connected to the air duct of portable blower, flow control valve is installed on the pipe of blast pipe, the outlet of blast pipe is connected to relieve heat device, the end of coal mine roadway is arranged in the relieve heat device, the multiple snorkel is successively vertically arranged from front to back, multiple snorkel lower ends are connected to blast pipe, multiple snorkel upper ends are arranged at the upper end of coal mine roadway, switch valve one is mounted on multiple snorkels, the multiple firedamp sensor is sequentially arranged on coal mine roadway from front to back, multiple firedamp sensors are electrically connected with the one-to-one correspondence of multiple switch valve one.The utility model elimination effect is good, can effectively avoid gas explosion.
Description
Technical field
The utility model belongs to coal mining equipment technical field, fills more particularly to a kind of coal mining drawing-off gas
It sets.
Background technique
During coal mining, a large amount of gas is contained in mine, fire is met when gas reaches a certain concentration to be produced
Raw explosion, gas explosion not only can seriously destroy mine facility, interrupt production, but also will cause a large amount of casualties.It passes
To taking time and effort on the discharge of gas and concentration measurement and control in system coal mining, the safety of staff be cannot be guaranteed；And sometimes
Drawing-off gas effect is undesirable.
Summary of the invention
In view of the deficiency of the prior art, the utility model provides one kind and can effectively exclude methane gas, keep away
Exempt from the coal mining gas drainage equipment that explosion phenomenon occurs when firedamp drainage.
Technical solution adopted in the utility model is: a kind of coal mining gas drainage equipment, including portable blower, air inlet
Pipe, flow control valve, relieve heat device, multiple snorkels, multiple switch valve one and multiple firedamp sensors；The blast pipe enters
Mouth is connected to the air duct of portable blower, flow control valve is equipped on the pipe of blast pipe, the outlet of blast pipe is connected to relieve heat device, institute
The end that coal mine roadway is arranged in relieve heat device is stated, the multiple snorkel is successively vertically arranged from front to back, multiple snorkels
Lower end is connected to blast pipe, and multiple snorkel upper ends are arranged at the upper end of coal mine roadway, is respectively mounted on multiple snorkels
There is switch valve one, the multiple firedamp sensor is sequentially arranged on coal mine roadway from front to back, multiple firedamp sensors and more
A switch valve one corresponds electrical connection.
The utility model has the beneficial effects that:
The wind that the relieve heat device of the utility model can pass over blast pipe is evenly spread in coal mine roadway, is convenient for
Removing is adsorbed on the gas of coal mine everywhere and the gas in air upper layer, and elimination effect is good, and watt of the utility model
This sensor is capable of the concentration of real-time monitoring gas, and when gas can be higher than safety line, snorkel can in time lead to air
Enter in tunnel, reduces gas density in time, effectively avoid gas explosion.
Detailed description of the invention
Fig. 1: the utility model structure diagram；
Fig. 2: the utility model relieve heat apparatus structure schematic diagram；
Fig. 3: the utility model arc bracket structural schematic diagram；
Wherein: 1- portable blower；2- blast pipe；3- flow control valve；4- coal mine roadway；5- snorkel；6- switch valve one；7- arc
Shape bracket；8- relieve heat device；8-1- pedestal；8-2- standpipe；8-3- toroidal frame；8-4- discharge pipe；9- firedamp sensor；10- inhales
Tracheae；11- branch pipe；12- switch valve three；13- air pump；14- switch valve two.
Specific embodiment
As shown in Fig. 1 ~ Fig. 3, a kind of coal mining gas drainage equipment, including portable blower 1, blast pipe 2, flow control valve 3,
Relieve heat device 8, multiple snorkels 5, multiple switch valve 1 and multiple firedamp sensors 9；The entrance and portable blower 1 of the blast pipe 2
Air duct connection, flow control valve 3 is installed on the pipe of blast pipe 2, the outlet of blast pipe 2 is connected to relieve heat device 8, described scattered
Wind apparatus 8 is arranged in the end of coal mine roadway 4 and the air in blast pipe 2 is discharged to the end of coal mine roadway 4, described more
A snorkel 5 is successively vertically arranged from front to back, and multiple 5 lower ends of snorkel are connected to blast pipe 2, multiple 5 upper ends of snorkel
It is arranged at the upper end of coal mine roadway 4, switch valve 1, the multiple firedamp sensor 9 is mounted on multiple snorkels 5
It is sequentially arranged on coal mine roadway 4 from front to back, multiple firedamp sensors 9 are electrically connected with the one-to-one correspondence of multiple switch valve 1, often
A firedamp sensor 9 incudes the gas density in coal mine roadway 4 and controls the opening and closing of corresponding switch valve 1.
Working principle: portable blower 1 is blown into air into blast pipe 2, and air is expelled in coal mine roadway 4 from relieve heat device 8, no
Air and gas in the dynamic air push coal mine roadway 4 of cutout move forward until in discharge coal mine roadway 4；
When firedamp sensor 9 monitors that the gas density near it increases, switch valve 1 is opened, makes corresponding snorkel 5
Air is sprayed rapidly avoids gas explosion to dilute and push Gas Flow.
The relieve heat device 8 includes pedestal 8-1, standpipe 8-2, toroidal frame 8-3 and multiple discharge pipe 8-4；The standpipe 8-2
Lower end is fixed on pedestal 8-1, and the pedestal 8-1 is placed on the ground of coal mine roadway 4, the outlet of the blast pipe 2 and standpipe
The connection of the lower end 8-2, the toroidal frame 8-3 is fixedly connected with the upper end standpipe 8-2, the air intake of the multiple discharge pipe 8-4 with
The connection of the upper end standpipe 8-2, the outlet air end of multiple discharge pipe 8-4 are each attached on toroidal frame 8-3.
The effect of relieve heat device 8 is easy for the gas that blowout is adsorbed on coal mine roadway 4.
The outlet air end annular array of the multiple discharge pipe 8-4.Be conducive in the uniform raising coal mine roadway 4 of outlet air
Air circulation effect.
The coal mining gas drainage equipment further included air intake duct 10, air pump 13, switch valve 2 14, multiple branch pipes 11
And multiple switch valve 3 12, the air intake duct 10 are mounted on the upper end of coal mine roadway 4,10 rear end of air intake duct is arranged in coal mine roadway
4 end, 10 front end of air intake duct are equipped with air pump 13, and 10 rear end of air intake duct is equipped with switch valve 2 14, is communicated on air intake duct 10
Multiple branch pipes 11, the multiple branch pipe 11 are arranged from front to back, are mounted on switch valve 3 12 on each branch pipe 11.Multiple switch
Valve 3 12 is electrically connected with multiple firedamp sensors 9 one-to-one correspondence, controller control gas sensor 9 and air pump 13, when gas passes
When sensor 9 monitors that the gas density near it increases, corresponding branch pipe 11 and air pump 13 are opened by controller, air pump 13 is inhaled
It takes air herein and discharges it in the air outside coal mine roadway 4, it, can be with snorkel convenient for rapidly dilution gas density
5 are used cooperatively or both snorkel 5 and branch pipe 11 are used alone.
The coal mining gas drainage equipment further includes multiple arcs bracket 7, multiple arcs bracket 7 be sequentially arranged at into
On air hose 2.Arc bracket 7 is used to support and fixes blast pipe 2, and blast pipe 2 is avoided to occur mobile ask during air inlet
Topic.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of coal mining gas drainage equipment, it is characterised in that: including portable blower (1), blast pipe (2), flow control valve
(3), relieve heat device (8), multiple snorkels (5), multiple switch valve one (6) and multiple firedamp sensors (9)；The blast pipe
(2) entrance is connected to the air duct of portable blower (1), is equipped on the pipe of blast pipe (2) flow control valve (3), and blast pipe (2) goes out
Mouth is connected to relieve heat device (8), and the relieve heat device (8) is arranged in the end of coal mine roadway (4), the multiple snorkel (5)
It is successively vertically arranged from front to back, multiple snorkel (5) lower ends are connected to blast pipe (2), and multiple snorkel (5) upper ends are all provided with
It sets at the upper end of coal mine roadway (4), is mounted on switch valve one (6), the multiple firedamp sensor on multiple snorkels (5)
(9) it is sequentially arranged at from front to back on coal mine roadway (4), multiple firedamp sensors (9) and multiple switch valve one (6) correspond
Electrical connection.
2. a kind of coal mining gas drainage equipment according to claim 1, it is characterised in that: the relieve heat device (8)
Including pedestal (8-1), standpipe (8-2), toroidal frame (8-3) and multiple discharge pipes (8-4)；Standpipe (8-2) lower end is fixed on
On pedestal (8-1), the pedestal (8-1) is placed on the ground of coal mine roadway (4), the outlet of the blast pipe (2) and standpipe (8-
2) lower end is connected to, and the toroidal frame (8-3) is fixedly connected with the upper end standpipe (8-2), the air intake of the multiple discharge pipe (8-4)
It is connected to the upper end standpipe (8-2), the outlet air end of multiple discharge pipes (8-4) is each attached on toroidal frame (8-3).
3. a kind of coal mining gas drainage equipment according to claim 2, it is characterised in that: the multiple discharge pipe
The outlet air end annular array of (8-4).
4. a kind of coal mining gas drainage equipment according to claim 1, it is characterised in that: the coal mining gas
Tapping equipment further included air intake duct (10), air pump (13), switch valve two (14), multiple branch pipes (11) and multiple switch valve three
(12), the air intake duct (10) is mounted on the upper end of coal mine roadway (4), and air intake duct (10) rear end is arranged in coal mine roadway (4)
End, air intake duct (10) front end are equipped with air pump (13), and air intake duct (10) rear end is equipped with switch valve two (14), on air intake duct (10)
It is communicated with multiple branch pipes (11), the multiple branch pipe (11) is arranged from front to back, is mounted on switch valve on each branch pipe (11)
Three (12).
5. a kind of coal mining gas drainage equipment according to claim 1, it is characterised in that: the coal mining gas
Tapping equipment further includes multiple arcs bracket (7), and multiple arcs bracket (7) is sequentially arranged on blast pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634240.7U CN208778035U (en) | 2018-10-09 | 2018-10-09 | A kind of coal mining gas drainage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634240.7U CN208778035U (en) | 2018-10-09 | 2018-10-09 | A kind of coal mining gas drainage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778035U true CN208778035U (en) | 2019-04-23 |
Family
ID=66161386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821634240.7U Expired - Fee Related CN208778035U (en) | 2018-10-09 | 2018-10-09 | A kind of coal mining gas drainage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566265A (en) * | 2019-09-20 | 2019-12-13 | 河南城建学院 | Coal mine underground gas circulating pumping and draining system |
-
2018
- 2018-10-09 CN CN201821634240.7U patent/CN208778035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566265A (en) * | 2019-09-20 | 2019-12-13 | 河南城建学院 | Coal mine underground gas circulating pumping and draining system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20191009 |