CN206439065U - A kind of fire extinguishing nitrogen-filling system - Google Patents
A kind of fire extinguishing nitrogen-filling system Download PDFInfo
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- CN206439065U CN206439065U CN201621434757.2U CN201621434757U CN206439065U CN 206439065 U CN206439065 U CN 206439065U CN 201621434757 U CN201621434757 U CN 201621434757U CN 206439065 U CN206439065 U CN 206439065U
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- nitrogen
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- pipe
- fire extinguishing
- filling system
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 292
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 146
- 238000002347 injection Methods 0.000 claims abstract description 45
- 239000007924 injection Substances 0.000 claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of fire extinguishing nitrogen-filling system, including multiple nitrogen injection devices for being arranged on force piece rear, the nitrogen injection device includes the first note nitrogen pipe, threeway and the second note nitrogen pipe, the threeway includes two entrance points and one outlet end, the first note nitrogen pipe is connected with the entrance point of the threeway, described second note nitrogen pipe one end is connected with the port of export of the threeway, and the second note nitrogen pipe other end is provided with the first valve and multiple ventholes.Implement the utility model, multiple nitrogen injection devices are set on force piece, nitrogen can be uniformly injected into goaf by multiple nitrogen injection devices, so as to cover gas in goaf, it is uniformly distributed the nitrogen in goaf, do not result in because nitrogen excessively caused by burst nitrogen accident, reach the effect of pre- fire extinguishing.Meanwhile, it can be pinpointed by adjusting the first valve flow, nitrogen is quantitatively injected into goaf, saved the note nitrogen time, reduce cost, it is simple in construction, it is easy to operate.
Description
Technical field
The utility model is related to technical field of mine safety, more particularly to a kind of fire extinguishing nitrogen-filling system.
Background technology
Coal bed fire is one of mine major casualty, occurs fire gently then influence production, heavy then may burn coal resources
And pit gear, or even the great serious accident of casualties can be led to.During the technology of fire prevention and extinction by nitrogen injection is coal mining, more often
, one of cost-effective technological means.Therefore, to Full-mechanized Mining Face, take the technology of fire prevention and extinction by nitrogen injection etc. effective
Fire-fighting measure, prevents coal-face from occurring fire, is the most important thing of mine safety production work.
As shown in figure 1, traditional fire extinguishing nitrogen injection method is will to note the working face tendency bottom that is laid in of nitrogen pipeline 2 ' to adopt
Dead zone 3 ', periodically, quantifies and nitrogen injection measure is taken into goaf 3 ', nitrogen notes the outflow of nitrogen pipeline from tendency top, from
And each place in goaf is flow to certainly, covering goaf float coal reaches the requirement of prevention spontaneous combustion.However, traditional nitrogen injection method
Goaf is flowed to from bottom to top everywhere using nitrogen inerting principle, it is difficult to hold whether gas all covers whole goafs,
Whether nitrogen is uniformly distributed, and the nitrogen power that whether is hampered occurs product nitrogen and causes to burst nitrogen accident, the judgement of nitrogen injection effect often with experience
Based on, it is difficult in detail, scientifically investigate, cause the parameter selection of note nitrogen unreasonable.In the serious ore deposit of spontaneous combustion of coal seam ignition
Well, because note nitrogen time, note nitrogen quantity selection design are unreasonable, often result in nitrogen injection in goaf and excessively causes the routed nitrogen thing of lower crossheading
Therefore, have a strong impact on production or note nitrogen quantity is very few, nitrogen does not cover whole goaf float coal, cause prevention extinguishing effect bad.
The content of the invention
The purpose of this utility model is to overcome prior art nitrogen injection method nitrogen equably can not be injected into goaf
It is not enough that there is provided a kind of fire extinguishing nitrogen-filling system.
The technical solution of the utility model provides a kind of fire extinguishing nitrogen-filling system, including multiple is arranged on after force piece
The nitrogen injection device of side, the nitrogen injection device includes the first note nitrogen pipe, threeway and the second note nitrogen pipe, and the threeway includes two imports
End and one outlet end, the first note nitrogen pipe is connected with the entrance point of the threeway, described second note nitrogen pipe one end and
The port of export connection of the threeway, the second note nitrogen pipe other end is provided with the first valve and multiple ventholes.
Further, the nitrogen injection device also includes flange and bolt, and the second note nitrogen pipe passes through the flange and institute
Bolt is stated to be connected with the port of export of the threeway.
Further, the venthole is 8-10.
Further, the nitrogen injection device is arranged at the scrapper conveyor at the force piece rear.
Further, the first note nitrogen pipe and the second note nitrogen pipe are vinyl tube.
Further, 10-20 meters are spaced between multiple nitrogen injection devices.
Further, the fire extinguishing nitrogen-filling system also includes the note nitrogen supervisor being arranged in haulage gate, the note nitrogen
Supervisor is connected with the first note nitrogen pipe, and the note nitrogen supervisor and the junction of the first note nitrogen pipe are provided with the second valve.
Further, the note nitrogen supervisor is iron pipe.
After adopting the above technical scheme, having the advantages that：Multiple nitrogen injection devices are set on force piece, led to
Goaf can be uniformly injected into by nitrogen by crossing multiple nitrogen injection devices, so as to cover gas in goaf, make the nitrogen in goaf
Be uniformly distributed, do not result in because nitrogen excessively caused by burst nitrogen accident, reach the effect of pre- fire extinguishing.Meanwhile, pass through regulation first
Valve flow can pinpoint, nitrogen is quantitatively injected into goaf, save the note nitrogen time, reduce cost, simple in construction, operation
It is convenient.
Brief description of the drawings
Referring to accompanying drawing, disclosure of the present utility model will be easier to understand.It should be understood that：These accompanying drawings are used only for
The purpose of explanation, and be not intended to and protection domain of the present utility model is construed as limiting.In figure：
Fig. 1 is the mounting structure schematic diagram of traditional fire extinguishing nitrogen injection device；
Fig. 2 is a kind of structural representation for fire extinguishing nitrogen-filling system that the utility model is provided；
Fig. 3 is the mounting structure schematic diagram of the fire extinguishing nitrogen-filling system in Fig. 2.
Embodiment
Further illustrate embodiment of the present utility model below in conjunction with the accompanying drawings.
It is readily appreciated that, according to the technical solution of the utility model, in the case where not changing the utility model connotation, this area
Those skilled in the art the various structures mode and implementation that can mutually replace.Therefore, detailed description below and
Accompanying drawing is only the exemplary illustration to the technical solution of the utility model, and is not to be construed as whole of the present utility model or is considered as
Utility model technical scheme is defined or limited.
Mention in this manual or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Orientation term is defined relative to the construction shown in each accompanying drawing, and they are relative concepts, and it is therefore possible to can root
Correspondingly changed according to its residing diverse location, different use states.So, also should not be by these or others side
Position term is construed to restricted term.
As shown in Fig. 2 a kind of structural representation for fire extinguishing nitrogen-filling system that Fig. 2 provides for the utility model, including：It is many
The individual nitrogen injection device 1 for being arranged on force piece rear, the nitrogen injection device 1 includes the first note nitrogen pipe 11, threeway 12 and second
Nitrogen pipe 13 is noted, the threeway 12 includes two entrance points and one outlet end, the first note nitrogen pipe 11 and the threeway 12
The entrance point connection, described one end of second note nitrogen pipe 13 is connected with the port of export of the threeway 12, the second note nitrogen
The other end of pipe 13 is provided with the first valve 131 and multiple ventholes 132.Among actual mechanical process, the second note nitrogen pipe 13 is L
Type notes nitrogen pipe.
In one of the embodiments, the nitrogen injection device also includes flange 14 and bolt 15, the second note nitrogen pipe 13
It is connected by the flange 14 and the bolt 15 with the port of export of the threeway 12.By flange and bolt, make second
The connection for noting nitrogen pipe and threeway is more firm, prevents because being come off during use.
In one of the embodiments, the venthole 132 is 8-10.By setting 8-10 on the second note nitrogen pipe
Venthole, both ensures to be continuously injected into nitrogen into goaf, prevents that spoil enters or blocked the second note nitrogen in goaf again
Pipe, makes nitrogen injection more disperse, area coverage is more wide.
In one of the embodiments, the nitrogen injection device 1 is arranged at the scrapper conveyor at the rear of force piece 2.
By setting nitrogen injection device at the scrapper conveyor at force piece rear, nitrogen can be fully set to cover the gas in goaf.
In one of the embodiments, the first note nitrogen pipe 11 and the second note nitrogen pipe 13 are vinyl tube.
First note nitrogen pipe and the second note nitrogen pipe prevent from, because humidity causes pipeline to rot below mine, causing nitrogen using vinyl tube
Leakage.
In one of the embodiments, 10-20 meters are spaced between multiple nitrogen injection devices 1.
Specifically, the interval between nitrogen injection device 1 is according to width of the working face heterogeneous goaf three with oxidized zone in division
Spend to determine, the working face of coal seam goaf oxidation bandwidth of different atures of coal is different, according to preventing and extinguishing fire of coal mine relevant regulations,
Note nitrogen width cannot be less than aoxidizing 2/3rds of bandwidth and must not exceed oxidation bandwidth, and because vinyl tube is every
Root full-length is 6 meters, accordingly, it is determined that the interval optimum distance between each nitrogen injection device is 12 meters.Its specific mounting structure
Schematic diagram as shown in figure 3, at 1 meter of the scrapper conveyor at the rear of coal-face support 2 set one group of nitrogen injection device 1, each note nitrogen
Connect to form a note nitrogen point by threeway between device 1, a note nitrogen point is set every 12 meters, and nitrogen injection device 1 is with work
The reach of face support 1 and enter in goaf 3, be suitable for the fully-mechanized mining working of all kinds of conditions, such as high inclination-angle tendency, move towards back production
Working face, horizontal stope, even if meeting the fully-mechanized mining working of the complex geological structures such as tomography, nitrogen injection effect is also very
It is good, will not occur to note nitrogen accident caused by special geological structure band.Meanwhile, according to back production progress, mornig shift arranges note nitrogen daily
Work adjusts the second valve flow from lower corner and carries out note nitrogen, and the gas in goaf 3 is covered in advance, makes the gas in goaf 3
Inerting, reaches the effect of pre- fire extinguishing.
Further, the fire extinguishing nitrogen-filling system also includes the note nitrogen supervisor 16 being arranged in haulage gate 4, the note
Nitrogen supervisor 16 is connected with the first note nitrogen pipe 11, and the note nitrogen supervisor 16 and the junction of the first note nitrogen pipe 11 are provided with
Second valve.The injection and closing of nitrogen in whole nitrogen injection device can be controlled by the second valve.
Specifically, the note nitrogen supervisor is iron pipe.
The use principle of the fire extinguishing nitrogen-filling system provided below the utility model is illustrated, specific as follows：
In order to avoid note nitrogen insufficient pressure, cause fire extinguishing effect poor, noted in the fire extinguishing provided using the utility model
Nitrogen system needs to be grouped carries out note nitrogen by frame, i.e., along the every 3 groups of nitrogen injections point in working face direction be one since lower corner
I.e. 36 meters of group is one group.First, the second valve is opened, first three first valve 131 is then opened, remaining the first valve
131 turn off the region concentrated and nitrogen is injected to first three nitrogen injection device 1, wind crossheading 5 and work further back after one hour of injection
The upper corner direction of the intersection in face passes sequentially through opening the first valve 131 packet injection nitrogen, and nitrogen process is noted when being fully completed
The second valve is closed afterwards.
The utility model, sets multiple nitrogen injection devices on force piece, can be by nitrogen by multiple nitrogen injection devices
Goaf is uniformly injected into, so as to cover gas in goaf, is uniformly distributed the nitrogen in goaf, does not result in because of nitrogen mistake
It is cause nitrogen accident of bursting more, reach the effect of pre- fire extinguishing.Meanwhile, by adjust the first valve flow can pinpoint, quantitatively to
Nitrogen is injected in goaf, the note nitrogen time is saved, reduces cost, it is simple in construction, it is easy to operate.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the general of this area
For logical technical staff, on the basis of the utility model principle, some other modifications can also be made, this practicality is also should be regarded as
New protection domain.
Claims (8)
1. a kind of fire extinguishing nitrogen-filling system, it is characterised in that including multiple nitrogen injection devices for being arranged on force piece rear, institute
Stating nitrogen injection device includes the first note nitrogen pipe, threeway and the second note nitrogen pipe, and the threeway includes two entrance points and one outlet end,
The first note nitrogen pipe is connected with the entrance point of the threeway, and described second note nitrogen pipe one end described in the threeway with going out
Mouth end connection, the second note nitrogen pipe other end is provided with the first valve and multiple ventholes.
2. fire extinguishing nitrogen-filling system as claimed in claim 1, it is characterised in that the nitrogen injection device also includes flange and spiral shell
Bolt, the second note nitrogen pipe is connected by the flange and the bolt with the port of export of the threeway.
3. fire extinguishing nitrogen-filling system as claimed in claim 1, it is characterised in that the venthole is 8-10.
4. fire extinguishing nitrogen-filling system as claimed in claim 1, it is characterised in that the nitrogen injection device is arranged on the working face
At the scrapper conveyor at support rear.
5. fire extinguishing nitrogen-filling system as claimed in claim 1, it is characterised in that the first note nitrogen pipe and the second note nitrogen
Manage as vinyl tube.
6. fire extinguishing nitrogen-filling system as claimed in claim 5, it is characterised in that be spaced 10- between multiple nitrogen injection devices
20 meters.
7. the fire extinguishing nitrogen-filling system as described in claim 1-6 is any, it is characterised in that the fire extinguishing nitrogen-filling system is also wrapped
Include be arranged in haulage gate note nitrogen supervisor, it is described note nitrogen supervisor be connected with the first note nitrogen pipe, it is described note nitrogen be responsible for and
The junction of the first note nitrogen pipe is provided with the second valve.
8. fire extinguishing nitrogen-filling system as claimed in claim 7, it is characterised in that the note nitrogen supervisor is iron pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434757.2U CN206439065U (en) | 2016-12-26 | 2016-12-26 | A kind of fire extinguishing nitrogen-filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434757.2U CN206439065U (en) | 2016-12-26 | 2016-12-26 | A kind of fire extinguishing nitrogen-filling system |
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| Publication Number | Publication Date |
|---|---|
| CN206439065U true CN206439065U (en) | 2017-08-25 |
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ID=59647122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621434757.2U Active CN206439065U (en) | 2016-12-26 | 2016-12-26 | A kind of fire extinguishing nitrogen-filling system |
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| Country | Link |
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| CN (1) | CN206439065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236350A (en) * | 2018-11-08 | 2019-01-18 | 天地（常州）自动化股份有限公司 | High inclination-angle super high seam fire hazard treating method |
| CN110821546A (en) * | 2019-10-22 | 2020-02-21 | 山西潞安矿业(集团)有限责任公司 | Equipment and process method for preventing spontaneous combustion of goaf by accurately injecting inert gas |
| CN110898359A (en) * | 2019-12-23 | 2020-03-24 | 山西潞安环保能源开发股份有限公司常村煤矿 | Goaf gas injection fire prevention and extinguishing system and fire prevention and extinguishing method |
-
2016
- 2016-12-26 CN CN201621434757.2U patent/CN206439065U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236350A (en) * | 2018-11-08 | 2019-01-18 | 天地（常州）自动化股份有限公司 | High inclination-angle super high seam fire hazard treating method |
| CN110821546A (en) * | 2019-10-22 | 2020-02-21 | 山西潞安矿业(集团)有限责任公司 | Equipment and process method for preventing spontaneous combustion of goaf by accurately injecting inert gas |
| CN110821546B (en) * | 2019-10-22 | 2021-11-05 | 山西潞安矿业(集团)有限责任公司 | Equipment and process method for preventing spontaneous combustion of goaf by accurately injecting inert gas |
| CN110898359A (en) * | 2019-12-23 | 2020-03-24 | 山西潞安环保能源开发股份有限公司常村煤矿 | Goaf gas injection fire prevention and extinguishing system and fire prevention and extinguishing method |
| CN110898359B (en) * | 2019-12-23 | 2023-09-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | Goaf gas injection fire prevention and extinguishing system and fire prevention and extinguishing method |
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