CN207634103U - A kind of negative pressure stabilizing device for gas pumping under a coal mine - Google Patents
A kind of negative pressure stabilizing device for gas pumping under a coal mine Download PDFInfo
- Publication number
- CN207634103U CN207634103U CN201721821501.1U CN201721821501U CN207634103U CN 207634103 U CN207634103 U CN 207634103U CN 201721821501 U CN201721821501 U CN 201721821501U CN 207634103 U CN207634103 U CN 207634103U
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- China
- Prior art keywords
- air
- coal mine
- metal derby
- casing
- negative pressure
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Abstract
The utility model discloses a kind of negative pressure stabilizing device for gas pumping under a coal mine,Including stabilized switch and air supply duct,The upper end of the stabilized switch is welded with holder,The upper end of holder and the input end of air inducing pipeline are welded to connect,The outlet end of air inducing pipeline and the input end screw connection of air-introduced machine,The stabilized switch includes casing,Air bag is placed in casing,The both ends of air bag, which are glued, the first metal derby,And the second metal derby is equipped with by holder on the outer wall of casing,And the upper end of casing is welded with sliding block,Sliding block is connected with fixed frame,Fixed frame is welded on the lower end of air inducing pipeline by holder,During present apparatus use,Air-introduced machine is first passed through to be aerated coal mine inside,When mine borehole pressure is relatively low,Air bag volume expansion inside stabilized switch,First metal derby is in contact with the second metal derby,Air blower is started to work at this time,Air blower inputs ozone into coal mine,Alleviate the negative pressure condition inside coal mine simultaneously.
Description
Technical field
The utility model is related to coalmine ventilation technical field more particularly to a kind of negative pressure of gas pumping under coal mine are steady
Pressure device.
Background technology
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine is typically chosen to underground when coal seam is remote from earth's surface and digs tunnel digging coal, this is underground mine, when coal seam is away from earth's surface
Distance it is close when, be typically chosen directly stripping surface soil layer excavate coal, this is open coal mine, China's overwhelming majority coal mine category
In underground mine, coal mine is the proportional space that the mankind are excavated when digging is rich in the geological stratification for having coal, generally includes lane
Road, well cave and face etc..Gas density is excessively high in order to prevent during mining, it usually needs leads to coal mine
When using air-introduced machine exhausting, usually there is the too low situation of coal mine internal pressure in wind, influences being normally carried out for production.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of underground coal mine watt proposed
The negative pressure stable-pressure device of this pump drainage.
To achieve the goals above, the utility model uses following technical solution：
A kind of negative pressure stabilizing device for gas pumping under a coal mine, including stabilized switch and air supply duct, the voltage stabilizing
The upper end of switch is welded with holder, and the upper end of holder and the input end of air inducing pipeline are welded to connect, the outlet end of air inducing pipeline with
The input end screw connection of air-introduced machine；
The stabilized switch includes casing, air bag is placed in casing, the both ends of air bag, which are glued, the first metal derby, and covers
The second metal derby is equipped with by holder on the outer wall of pipe, and the upper end of casing is welded with sliding block, sliding block is connected with fixed frame
It connects, fixed frame is welded on the lower end of air inducing pipeline by holder；
The input end of the air supply duct and the input end screw connection of air blower.
Preferably, the inner wall of the air bag and casing is glued connection, and the material of air bag is rubber or silica gel, and gas
Intracapsular portion is filled with compressed gas.
Preferably, first metal derby is by the electric connection of conducting wire and air blower, and the second metal derby passes through conducting wire
It is connected with power supply, and the central axes of the first metal derby and the central axes of the second metal derby overlap, and the first metal
There are gaps between block and the second metal derby.
Preferably, the lower end of the fixed frame is equipped with sliding slot, and the upper end of sliding block is equipped with fixture block, and fixture block connects with sliding slot sliding
It connects.
Preferably, described sleeve pipe is cylindrical plastic pipe.
The utility model has the beneficial effects that：
1, it during present apparatus use, first passes through air-introduced machine and coal mine inside is aerated, when mine borehole pressure is relatively low
When, the air bag volume expansion inside stabilized switch, the first metal derby is in contact with the second metal derby, and air blower starts work at this time
Make, air blower inputs ozone into coal mine, while alleviating the negative pressure condition inside coal mine；
2, air blower automatically controls start and stop by stabilized switch, easy to operate simple, and can save electric energy, and voltage stabilizing
Construction of switch is relatively easy, is hardly damaged, and ensures the reliability during device use.
Description of the drawings
Fig. 1 be the utility model proposes a kind of negative pressure stabilizing device for gas pumping under a coal mine air inducing pipeline
Structural schematic diagram；
Fig. 2 be the utility model proposes a kind of negative pressure stabilizing device for gas pumping under a coal mine stabilized switch
Structural schematic diagram；
Fig. 3 be the utility model proposes a kind of negative pressure stabilizing device for gas pumping under a coal mine air supply duct
Structural schematic diagram.
In figure：1 air-introduced machine, 2 air inducing pipelines, 3 stabilized switch, 4 air blowers, 5 air supply ducts, 31 casings, 32 air bags, 33
One metal derby, 34 second metal derbies, 35 sliding blocks, 36 fixed frames.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of negative pressure stabilizing device for gas pumping under a coal mine, including stabilized switch 3 and ajutage
The upper end in road 5, stabilized switch 3 is welded with holder, and the upper end of holder and the input end of air inducing pipeline 2 are welded to connect, air inducing pipeline 2
Outlet end and air-introduced machine 1 input end screw connection, stabilized switch 3 includes casing 31, is placed with air bag 32, gas in casing 31
The both ends of capsule 32, which are glued, the first metal derby 33, and is equipped with the second metal derby 34 by holder on the outer wall of casing 31, and
The upper end of casing 31 is welded with sliding block 35, and sliding block 35 is connected with fixed frame 36, and fixed frame 36 is welded on induced duct by holder
The lower end in road 2, the input end of air supply duct 5 and the input end screw connection of air blower 4, air bag 32 and the inner wall of casing 31 are glued
Connection, and the material of air bag 32 is rubber or silica gel, and 32 inside of air bag is filled with compressed gas, and the first metal derby 33 is logical
The electric connection of conducting wire and air blower 4 is crossed, and the second metal derby 34 is connected by conducting wire with power supply, and the first metal derby 33
Central axes and the central axes of the second metal derby 34 overlap, and exist between the first metal derby 33 and the second metal derby 34
The lower end in gap, fixed frame 36 is equipped with sliding slot, and the upper end of sliding block 35 is equipped with fixture block, and fixture block is slidably connected with sliding slot, and casing 31 is
Cylindrical plastic pipe.
In the present embodiment, during present apparatus use, first passes through air-introduced machine 1 and coal mine inside is aerated, work as mine
When interior pressure is relatively low, 32 volume expansion of air bag inside stabilized switch 3, the first metal derby 33 is in contact with the second metal derby 34,
Air blower 4 is started to work at this time, and air blower 4 inputs ozone into coal mine, while alleviating the negative pressure inside coal mine
Situation, air blower 4 automatically controls start and stop by stabilized switch 3, easy to operate simple, and can save electric energy, and voltage stabilizing is opened
Close that 3 structures are relatively easy, inside does not include complicated electronic instrument, can be suitable for relatively rugged environment, be hardly damaged, ensure
Reliability during device use.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of negative pressure stabilizing device for gas pumping under a coal mine, including stabilized switch (3) and air supply duct (5), special
Sign is that the upper end of the stabilized switch (3) is welded with holder, and the upper end of holder connects with the input end welding of air inducing pipeline (2)
It connects, the input end screw connection of the outlet end and air-introduced machine (1) of air inducing pipeline (2)；
The stabilized switch (3) includes casing (31), air bag (32) is placed in casing (31), the both ends of air bag (32), which are glued, to be had
First metal derby (33), and the second metal derby (34) is equipped with by holder on the outer wall of casing (31), and casing (31)
Upper end is welded with sliding block (35), and sliding block (35) is connected with fixed frame (36), and fixed frame (36) is welded on induced duct by holder
The lower end in road (2)；
The input end screw connection of the input end and air blower (4) of the air supply duct (5).
2. a kind of negative pressure stabilizing device for gas pumping under a coal mine according to claim 1, which is characterized in that described
The inner wall of air bag (32) and casing (31), which is glued, to be connected, and the material of air bag (32) is rubber or silica gel, and air bag (32)
Inside is filled with compressed gas.
3. a kind of negative pressure stabilizing device for gas pumping under a coal mine according to claim 1, which is characterized in that described
First metal derby (33) is by the electric connection of conducting wire and air blower (4), and the second metal derby (34) passes through conducting wire and power supply phase
Connection, and the central axes of the first metal derby (33) and the central axes of the second metal derby (34) overlap, and the first metal
There are gaps between block (33) and the second metal derby (34).
4. a kind of negative pressure stabilizing device for gas pumping under a coal mine according to claim 1, which is characterized in that described
The lower end of fixed frame (36) is equipped with sliding slot, and the upper end of sliding block (35) is equipped with fixture block, and fixture block is slidably connected with sliding slot.
5. a kind of negative pressure stabilizing device for gas pumping under a coal mine according to claim 1, which is characterized in that described
Casing (31) is cylindrical plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821501.1U CN207634103U (en) | 2017-12-23 | 2017-12-23 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821501.1U CN207634103U (en) | 2017-12-23 | 2017-12-23 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634103U true CN207634103U (en) | 2018-07-20 |
Family
ID=62852301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821501.1U Expired - Fee Related CN207634103U (en) | 2017-12-23 | 2017-12-23 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869179A (en) * | 2019-04-18 | 2019-06-11 | 代连朋 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
| CN113385009A (en) * | 2021-05-18 | 2021-09-14 | 郭建成 | Combustion flue gas desulfurization and denitrification tower |
-
2017
- 2017-12-23 CN CN201721821501.1U patent/CN207634103U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869179A (en) * | 2019-04-18 | 2019-06-11 | 代连朋 | A kind of negative pressure stabilizing device for gas pumping under a coal mine |
| CN113385009A (en) * | 2021-05-18 | 2021-09-14 | 郭建成 | Combustion flue gas desulfurization and denitrification tower |
| CN113385009B (en) * | 2021-05-18 | 2024-02-02 | 朝阳市宏晟机械制造有限公司 | Combustion flue gas desulfurization and denitrification tower |
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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 |
Granted publication date: 20180720 Termination date: 20181223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |