CN108316962B - A kind of mining aerosol retardant spray method - Google Patents
A kind of mining aerosol retardant spray method Download PDFInfo
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- CN108316962B CN108316962B CN201810338742.3A CN201810338742A CN108316962B CN 108316962 B CN108316962 B CN 108316962B CN 201810338742 A CN201810338742 A CN 201810338742A CN 108316962 B CN108316962 B CN 108316962B
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- resistanceization
- aerosol
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- retardant
- atomizer
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
A kind of mining aerosol retardant spray method of the present invention, specific steps include step 1: pipe laying；Step 2: exterior arrangement；Step 3: the assembling of atomization system；Step 4: atomizer installation；Step 5: spraying operation is carried out；Step 6: spraying operation is completed.The method is by combining two kinds of goaf preventing and extinguishing fire technologies, under conditions of present work, it optimizes, easy to implement, effect is obvious, while guaranteeing workspace safety work environment, two point is injected to goaf simultaneously, and mixed type atomization retardant solution can improve the ignition activation energy of coal, preferably adheres to coal body, there is better diffusivity simultaneously, improve resistanceization effect；Using note nitrogen and the integrated sprinkling retardant technique of gas injection fogbound agent, it is able to achieve the fire prevention dual fail-safe of N2 and retardant.
Description
Technical field:
The present invention relates to pit mining technical fields, and in particular to a kind of mining aerosol retardant spray method.
Background technique:
Conflagration Caused by Coal Self-ignition is to threaten the major casualty of Safety of Coal Mine Production, is always the tackling key problem emphasis of mine fire extinguishing.
Sprinkling perfusion retardant is one of the fire-fighting measure taken for spontaneous combustionof coal.In the prior art, retardant fire extinguishing is utilized
In the past frequently with more single spray method, it is insufficient to occasionally result in retardant sprinkling radiation scope, the problems such as can not going deep into.
And generation of the retardant to controlling and reducing the great serious accident such as mine fire, gas explosion is sprayed, especially
Improving mine has great theory significance and realistic meaning to the prevention of breeding fire.Therefore propose a kind of new mining aerosol resistance
Agent spray method, to solve the above problems.
Summary of the invention:
The object of the present invention is to provide a kind of mining aerosol retardant spray methods, are integrated using equipment, improve resistanceization effect
Rate reduces equipment cost, and while reaching equipment high efficiency utilization, fire extinguishing efficiency is maximized.
To achieve the above object, the invention adopts the following technical scheme:
A kind of mining aerosol retardant spray method provided by the invention, the specific steps are as follows:
Step 1: pipe laying
Note nitrogen pipeline and conveying resistanceization liquid pipeline are laid in the air inlet of workspace side, on the note nitrogen pipeline every
A distance is obliquely installed a bye-pass；
Step 2: exterior arrangement
The side of workspace is provided with aerosol resistanceization chamber in the air inlet, pacifies in the aerosol resistanceization chamber
Equipped with aerosol resistanceization pump, resistanceization liquid pump case and controller switching equipment, the aerosol resistanceization pump is installed on the resistanceization liquid pump case, and its
It is powered by controller switching equipment, to drive its operating；
Step 3: the assembling of atomization system
It is located at one end end in air inlet in the conveying resistanceization liquid pipeline and connects the first high-pressure rubber pipe and the second high pressure
Sebific duct；
Step 4: atomizer installation
The first atomizer is installed on a bye-pass of the note nitrogen pipeline, and by other bye-pass guard seals,
The second atomizer is installed close to the lower corner of the air return lane in the workspace, and first high-pressure rubber pipe is connected to institute
The first atomizer is stated, second high-pressure rubber pipe is connected to second atomizer；
Step 5: spraying operation is carried out
When operator is connected to spraying operation instruction, the note nitrogen opened on note nitrogen pipeline pumps the gentle indoor gas of fogbound cave
Fogboundization pump opens the first atomizer, and the place intact in the inlet side supporting of the lower corner, by going out for the second atomizer
Mouth adjustment opens the second atomizer towards the goaf of air return lane, using nitrogen as carrier, conveying aerosol retardant to goaf oxygen
Change band；
Step 6: spraying operation is completed
It after being connected to sprayed instruction, closes aerosol resistanceization pump and infuses nitrogen and pump, and by the first atomizer and the second mist
Change device to be turned off.
In said step 1, the distance between two neighboring described bye-pass is 80~100m.
In said step 1, the bye-pass is obliquely installed towards nitrogen injection direction, and each bye-pass with
Angle between the note nitrogen pipeline is respectively less than 30 °.
In said step 1, the note nitrogen pipeline and the conveying resistanceization liquid pipeline are arranged in parallel in the air intake.
In the step 2, a cushion gas fogboundization pump is additionally provided in the aerosol resistanceization chamber.
In the step 3, after the assembling for completing atomization system, atomization system need to be debugged, be in the resistanceization
Add a certain amount of clear water in liquid pump case, pressure is adjusted to equal with note nitrogen pressure, removes note nitrogen pipeline and convey resistanceization liquid pipeline
In all sundries, keep note nitrogen pipeline and conveying resistanceization liquid pipeline it is unblocked, starting aerosol resistanceization pump, observe pressure whether protect
It holds constant, when pressure remains unchanged, then completes to debug.
In the step 4, one end end that the conveying resistanceization liquid pipeline is located in air inlet is equipped with threeway, institute
The first port for stating threeway is connected to conveying resistanceization liquid pipeline, and it is high that second port and third port are connected to described first
Moulding pipe and the second high-pressure rubber pipe.
In the step 5, before carrying out spraying operation, operator needs first to check note nitrogen pipeline, conveying resistanceization liquid
Whether pipeline, the first high-pressure rubber pipe and the second high-pressure rubber pipe are buried or are damaged by pressure, and whether aerosol resistanceization pump, resistanceization liquid pump case are complete
It is good, whether there is sundries around the resistanceization liquid pump case, after checking out, will newly transport to the retardant near the resistanceization liquid pump case
It is put into the resistanceization liquid pump case, water is then proportionally added, be stirred dissolution, reach the resistance liquid concentration mixed
To requirement.
A kind of mining aerosol retardant spray method of the invention combines two kinds of goafs anti-the utility model has the advantages that the method passes through
Fire-fighting technique optimizes under conditions of present work, and easy to implement, effect is obvious, guarantees workspace safety work
While environment, two point is injected to goaf simultaneously, and mixed type atomization retardant solution can improve the ignition activation energy of coal, more preferably
Attachment coal body, while there is better diffusivity, improve resistanceization effect；Utilize note nitrogen and the integrated spray of gas injection fogbound agent
Retardant technique is spilt, the fire prevention dual fail-safe of N2 and retardant is able to achieve.
Detailed description of the invention:
Fig. 1 is showing when completing atomizer installation in a kind of work progress of mining aerosol retardant spray method of the present invention
It is intended to；
In figure: 1- air inlet, the workspace 2-, 3- air return lane, 4- infuse nitrogen pipeline, 5- bye-pass, and 6- conveys resistanceization liquid pipeline,
The first high-pressure rubber pipe of 7-, the second high-pressure rubber pipe of 8-, the first atomizer of 9-, the second atomizer of 10-.
Specific embodiment:
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
According to Fig. 1, a kind of mining aerosol retardant spray method provided by the invention, the specific steps are as follows:
Step 1: pipe laying
Note nitrogen pipeline 4 and conveying resistanceization liquid pipeline 6, and the note nitrogen pipeline are laid in the air inlet 1 of 2 side of workspace
4 and the conveying resistanceization liquid pipeline 6 be arranged in parallel in air inlet 1, be obliquely installed on the note nitrogen pipeline 4 every a distance
One bye-pass 5, in the present embodiment, the distance between two neighboring described bye-pass 5 are 80~100m, specifically, optional
Optimal distance is 100m, and the bye-pass 5 is obliquely installed towards nitrogen injection direction, and each bye-pass 5 and the note
Angle between nitrogen pipeline 4 is respectively less than 30 °；
Step 2: exterior arrangement
The side of workspace 2 is provided with aerosol resistanceization chamber in the air inlet 1, in the aerosol resistanceization chamber
Aerosol resistanceization pump, resistanceization liquid pump case and controller switching equipment are installed, the aerosol resistanceization pump is installed on the resistanceization liquid pump case, and
It is powered by controller switching equipment, to drive its operating, specifically, two aerosol resistanceization pumps (the using and the reserved) can be set, by it
In aerosol resistanceization pump as spare；
Step 3: the assembling of atomization system
It is high to be located at the first high-pressure rubber pipe 7 and second of connection of one end end in air inlet 1 in the conveying resistanceization liquid pipeline 6
It is separately installed with high-pressure ball valve on moulding pipe 8, first high-pressure rubber pipe 7 and the second high-pressure rubber pipe 8, in the present embodiment, institute
It states the first high-pressure rubber pipe 7 and 8 length of the second high-pressure rubber pipe is 60~80m, diameter 16mm；
And during actual job, after completing above-mentioned assembling, atomization system need to be debugged, be in the resistanceization liquid
Add a certain amount of clear water in pump box, pressure is adjusted to equal with note nitrogen pressure, under regular situation, which is 4.5Mpa, clearly
Except all sundries in note nitrogen pipeline 4 and conveying resistanceization liquid pipeline 6, note nitrogen pipeline 4 and the conveying unobstructed nothing of resistanceization liquid pipeline 6 are kept
Resistance, starting aerosol resistanceization pump, and observing pressure, whether to be maintained at 4.5Mpa constant, when pressure remains unchanged, then complete to debug；
Step 4: atomizer installation
First atomizer 9 is installed on a bye-pass 5 of the note nitrogen pipeline 4, and in actual job, is usually chosen
First atomizer 9 is installed, and other bye-passes 5 are close with baffle on a bye-pass 5 nearest apart from 2 inner face of workspace
Envelope installs the second atomizer 10 close to the lower corner of the air return lane 3 in the workspace 2, and by first high-pressure rubber pipe 7
It is connected to first atomizer 9, second high-pressure rubber pipe 8, which is connected to second atomizer 10, is in the present embodiment
It is located at one end end in air inlet 1 in the conveying resistanceization liquid pipeline 6 and threeway is installed, the threeway is reducer tee, and
Threeway installation site is at the inner face 50m of workspace, so that the retardant after atomization is sufficiently mixed with nitrogen, the threeway
First port is connected to conveying resistanceization liquid pipeline 6, and second port and third port are connected to first high-pressure rubber pipe 7
With the second high-pressure rubber pipe 8；
Step 5: spraying operation is carried out
Before carrying out spraying operation, operator needs first to check note nitrogen pipeline 4, conveying resistanceization liquid pipeline 6, the first high pressure
Whether sebific duct 7 and the second high-pressure rubber pipe 8 are buried or are damaged by pressure, and whether aerosol resistanceization pump, resistanceization liquid pump case are intact, the resistanceization
Whether there is sundries around liquid pump case, after checking out, the retardant newly transported near the resistanceization liquid pump case is put into the resistance
Change in liquid pump case, water is then proportionally added, is stirred dissolution, the resistance liquid concentration mixed is made to reach requirement, infuses
It is unable to overfill in meaning resistanceization liquid pump case, prevents solution from overflowing；
Then when operator is connected to spraying operation instruction, the note nitrogen opened on note nitrogen pipeline 4 pumps gentle fogbound cave
Note nitrogen pressure is adjusted to 4.5Mpa (after primary adjustment, not allowing arbitrarily to adjust again), such as by indoor aerosol resistanceization pump
Fruit, note nitrogen pump fail timely to be started, then need to close the high-pressure ball valve on the first high-pressure rubber pipe 7, be then turned on aerosol resistance
Change pump, the outlet of the second atomizer 10 is adjusted direction by the operator place intact in the inlet side supporting of the lower corner
The high-pressure ball valve on the first high-pressure rubber pipe 7 is opened after infusing nitrogen pump and opening in the goaf of air return lane, and opens the first atomization
Device 9 and the second atomizer 10, using nitrogen as carrier, conveying aerosol retardant to goaf oxidized zone；
Step 6: spraying operation is completed
It after being connected to sprayed instruction, closes aerosol resistanceization pump and infuses nitrogen and pump, and by the first atomizer 9 and the second mist
Change device 10 to be turned off, otherwise, the fogboundization that must not stop the supple of gas or steam pump and note nitrogen pump, the first high-pressure rubber pipe 7 and the second high-pressure glue can only be closed
High-pressure ball valve on pipe 8 withdraws the second high-pressure rubber pipe 8 for leading to lower corner to safety after stop the supple of gas or steam fogboundization pump and note nitrogen pump
Place is put well, and preparation uses next time.
The present invention is that the second high-pressure hose 8 is extended to corner under working face to connect the second atomizer 10, logical using leaking out
Leaking out for road is attached to the coal body surface for distinguished and admirable process of leaking out, plays for carrier by the retardant after atomization to goaf drift
The effect of ignition inhibition for fire prevention；The first high-pressure hose 7 is connect with the first atomizer 9 simultaneously, by the first atomizer 9 and note nitrogen pipeline 4
In the threeway nearest away from workspace inner face be tightly connected, after unlatching, aerosol retardant enters note nitrogen pipeline 4, is with nitrogen
Carrier is transported to heterogeneous goaf band, when aerosol retardant place of arrival, encounters something lost coal (rock mass) and is then covered on above, play
Inerting, resistanceization, oxygen barrier, cooling down prevents the effect of spontaneous combustion of remaining coal.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Pipe is described the invention in detail referring to above-described embodiment, it should be understood by those ordinary skilled in the art that: still may be used
With modifications or equivalent substitutions are made to specific embodiments of the invention, and repaired without departing from any of spirit and scope of the invention
Change or equivalent replacement, should all cover in present claims range.
Claims (8)
1. a kind of mining aerosol retardant spray method, which is characterized in that specific step is as follows:
Step 1: pipe laying
It is laid with note nitrogen pipeline in the air inlet of workspace side and conveys resistanceization liquid pipeline, every one section on the note nitrogen pipeline
Distance is obliquely installed a bye-pass；
Step 2: exterior arrangement
The side of workspace is provided with aerosol resistanceization chamber in the air inlet, is equipped in the aerosol resistanceization chamber
Aerosol resistanceization pump, resistanceization liquid pump case and controller switching equipment, the aerosol resistanceization pump is installed on the resistanceization liquid pump case, and it passes through
Controller switching equipment power supply, to drive its operating；
Step 3: the assembling of atomization system
It is located at one end end in air inlet in the conveying resistanceization liquid pipeline and connects the first high-pressure rubber pipe and the second high-pressure rubber pipe；
Step 4: atomizer installation
The first atomizer is installed on a bye-pass of the note nitrogen pipeline, and by other bye-pass guard seals, in institute
The lower corner that workspace is stated close to air return lane installs the second atomizer, and first high-pressure rubber pipe is connected to first mist
Change device, second high-pressure rubber pipe is connected to second atomizer；
Step 5: spraying operation is carried out
When operator is connected to spraying operation instruction, opens the note nitrogen on note nitrogen pipeline and pump the indoor aerosol resistance of gentle fogbound cave
Change pump, the first atomizer, and the place intact in the inlet side supporting of the lower corner is opened, by the outlet tune of the second atomizer
The second atomizer is opened in the whole goaf towards air return lane, and using nitrogen as carrier, conveying aerosol retardant is aoxidized to goaf
Band；
Step 6: spraying operation is completed
It after being connected to sprayed instruction, closes aerosol resistanceization pump and infuses nitrogen and pump, and by the first atomizer and the second atomizer
It is turned off.
2. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 1
In, the distance between two neighboring described bye-pass is 80~100m.
3. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 1
In, the bye-pass is obliquely installed towards nitrogen injection direction, and the folder between each bye-pass and the note nitrogen pipeline
Angle is respectively less than 30 °.
4. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 1
In, the note nitrogen pipeline and the conveying resistanceization liquid pipeline are arranged in parallel in the air intake.
5. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 2
In, a cushion gas fogboundization pump is additionally provided in the aerosol resistanceization chamber.
6. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 3
In, after the assembling for completing atomization system, atomization system need to be debugged, be in the resistanceization liquid pump case plus a certain amount of clear
Pressure is adjusted to equal with note nitrogen pressure by water, is removed all sundries in note nitrogen pipeline and conveying resistanceization liquid pipeline, is kept note nitrogen
Pipeline and conveying resistanceization liquid pipeline are unblocked, and whether starting aerosol resistanceization pump, observation pressure remains unchanged, when pressure is kept not
Become, then completes to debug.
7. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 4
In, the conveying resistanceization liquid pipeline is located at one end end in air inlet and is equipped with threeway, the first port connection of the threeway
In conveying resistanceization liquid pipeline, second port and third port are connected to first high-pressure rubber pipe and the second high-pressure glue
Pipe.
8. a kind of mining aerosol retardant spray method according to claim 1, it is characterised in that: in the step 5
In, carry out spraying operation before, operator need first to check note nitrogen pipeline, conveying resistanceization liquid pipeline, the first high-pressure rubber pipe and
Whether the second high-pressure rubber pipe is buried or is damaged by pressure, and whether aerosol resistanceization pump, resistanceization liquid pump case are intact, the resistanceization liquid pump case week
Whether have sundries, after checking out, the retardant newly transported near the resistanceization liquid pump case is put into the resistanceization liquid pump case if enclosing
It is interior, water is then proportionally added, is stirred dissolution, the resistance liquid concentration mixed is made to reach requirement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810338742.3A CN108316962B (en) | 2018-04-16 | 2018-04-16 | A kind of mining aerosol retardant spray method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810338742.3A CN108316962B (en) | 2018-04-16 | 2018-04-16 | A kind of mining aerosol retardant spray method |
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| CN108316962B true CN108316962B (en) | 2019-07-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109794014B (en) * | 2019-03-19 | 2023-04-11 | 西安科技大学 | Mining goaf inhibitor rapid atomization fire prevention and extinguishing device and use method thereof |
| CN111287786B (en) * | 2020-03-05 | 2021-04-13 | 太原理工大学 | Temperature-sensitive bursting exocytosis inhibitor and preparation method thereof |
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| CN101021160A (en) * | 2007-03-05 | 2007-08-22 | 煤炭科学研究总院重庆分院 | High power inhibition foam for preventing and controlling coal self-ignition and generating device thereof |
| CN103362534A (en) * | 2013-07-10 | 2013-10-23 | 中国矿业大学 | Preparation system for nitrogen inhibition water mist for controlling mine fire and fire prevention and extinguishing method thereof |
| CN104151952A (en) * | 2013-12-19 | 2014-11-19 | 山东科技大学 | Coal mine gangue hill anti-explosion stopping agent and treatment and early warning system |
| CN104329109A (en) * | 2014-08-29 | 2015-02-04 | 辽宁工程技术大学 | Gob retardant efficient spraying system and spraying method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021160A (en) * | 2007-03-05 | 2007-08-22 | 煤炭科学研究总院重庆分院 | High power inhibition foam for preventing and controlling coal self-ignition and generating device thereof |
| CN103362534A (en) * | 2013-07-10 | 2013-10-23 | 中国矿业大学 | Preparation system for nitrogen inhibition water mist for controlling mine fire and fire prevention and extinguishing method thereof |
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