CN108316962A - A kind of mining aerosol retardant spray method - Google Patents
A kind of mining aerosol retardant spray method Download PDFInfo
- Publication number
- CN108316962A CN108316962A CN201810338742.3A CN201810338742A CN108316962A CN 108316962 A CN108316962 A CN 108316962A CN 201810338742 A CN201810338742 A CN 201810338742A CN 108316962 A CN108316962 A CN 108316962A
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- China
- Prior art keywords
- resistanceization
- aerosol
- atomizer
- pipeline
- retardant
- 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.)
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- 239000000443 aerosol Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007921 spray Substances 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 54
- 238000000889 atomisation Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000243 solution Substances 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000004913 activation Effects 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Catching Or Destruction (AREA)
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 is installed;Step 5:Carry out spraying operation;Step 6:Complete spraying operation.The method is by combining two kinds of goaf preventing and extinguishing fire technologies, under conditions of present work, it optimizes, it is easy to implement, it is with obvious effects, while ensureing 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 adhere 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, the fire prevention dual fail-safe of N2 and retardant can be realized.
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 technology:
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 spray retardant to controlling and reducing the generation of the great serious accident such as mine fire, gas explosion, especially
Improve mine has great theory significance and realistic meaning to the strick precaution of breeding fire.Therefore propose a kind of new mining aerosol resistance
Agent spray method, to solve the above problems.
Invention content:
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 present invention uses following technical scheme:
A kind of mining aerosol retardant spray method provided by the invention, is 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
Side of the air inlet far from workspace is provided with aerosol resistanceization chamber, 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 is installed
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 communicated in institute
The first atomizer is stated, second high-pressure rubber pipe is communicated in second atomizer;
Step 5:Carry out spraying operation
When operating personnel are connected to spraying operation instruction, the note nitrogen opened on note nitrogen pipeline pumps the gentle indoor gas of fogbound cave
Fogboundization pumps, and the first atomizer, and the place intact in the inlet side supporting of the lower corner is opened, 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:Complete spraying operation
It after being connected to sprayed instruction, closes aerosol resistanceization pump and notes nitrogen and pump, and by the first atomizer and the second mist
Change device to be turned off.
In the step 1, the distance between two neighboring described bye-pass is 80~100m.
In the 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 the step 1, the note nitrogen pipeline and the conveying resistanceization liquid pipeline are arranged in parallel in the air intake.
In the step 2, also set up in the aerosol resistanceization chamber there are one cushion gas fogboundization pump.
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, start 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, operating personnel need 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 dissolving, the resistance liquid concentration mixed is made to reach
To requirement.
A kind of advantageous effect of mining aerosol retardant spray method of the present invention:The method is by combining two kinds of goafs anti-
Fire-fighting technique optimizes under conditions of present work, easy to implement, with obvious effects, ensures 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, can realize the fire prevention dual fail-safe of N2 and retardant.
Description of the drawings:
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 inlets, the workspaces 2-, 3- air return lanes, 4- note nitrogen pipeline, 5- bye-passes, and 6- conveys resistanceization liquid pipeline,
The first high-pressure rubber pipes of 7-, the second high-pressure rubber pipes of 8-, the first atomizers of 9-, the second atomizers of 10-.
Specific implementation mode:
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 describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without 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 relative position relation, 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
To be combined with each other, but must can be implemented as basis with 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, is 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 every a distance on the note nitrogen pipeline 4
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
Side of the air inlet 1 far from workspace 2 is provided with aerosol resistanceization chamber, 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 arranged, by it
In aerosol resistanceization pump as spare;
Step 3:The assembling of atomization system
It is high to be located at one end end the first high-pressure rubber pipe 7 and second of connection in air inlet 4 in the conveying resistanceization liquid pipeline 6
Moulding pipe 8 is separately installed with high-pressure ball valve on first high-pressure rubber pipe, 7 and second high-pressure rubber pipe 8, in the present embodiment, institute
It is 60~80m, a diameter of 16mm to state the first high-pressure rubber pipe 7 and 8 length of the second high-pressure rubber pipe;
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 6,6 unobstructed nothing of note nitrogen pipeline 4 and conveying resistanceization liquid pipeline is kept
Resistance starts aerosol resistanceization and pumps, and observing pressure, whether to be maintained at 4.5Mpa constant, when pressure remains unchanged, then completes to debug;
Step 4:Atomizer is installed
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 in the workspace 2 close to the lower corner of the air return lane 3, and by first high-pressure rubber pipe 7
It is communicated in first atomizer 9, second high-pressure rubber pipe 8, which is communicated in 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:Carry out spraying operation
Before carrying out spraying operation, operating personnel need 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 dissolving, the resistance liquid concentration mixed is made to reach requirement, notes
It is unable to overfill in meaning resistanceization liquid pump case, prevents solution from overflowing;
Then when operating personnel are 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, are then turned on aerosol resistance
Change pump, the outlet of the second atomizer 10 is adjusted direction by the operating personnel 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 note nitrogen pump is opened 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:Complete spraying operation
It after being connected to sprayed instruction, closes aerosol resistanceization pump and notes 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 will withdraw safety to after stop the supple of gas or steam fogboundization pump and note nitrogen pump towards the second high-pressure rubber pipe 8 of lower corner
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 in 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 with reference to above-described embodiment, those of ordinary skills in the art should understand that:Still may be used
It is modified or replaced equivalently with the specific implementation mode to the present invention, and is repaiied 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 be 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
Side of the air inlet far from workspace is provided with aerosol resistanceization chamber, 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 is powered, 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 is installed
The first atomizer is installed on a bye-pass of the note nitrogen pipeline, and by other bye-pass guard seals, in institute
It states workspace and the second atomizer is installed close to the lower corner of the air return lane, and first high-pressure rubber pipe is communicated in described the
One atomizer, second high-pressure rubber pipe are communicated in second atomizer;
Step 5:Carry out spraying operation
When operating personnel are connected to spraying operation instruction, open 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:Complete spraying operation
It after being connected to sprayed instruction, closes aerosol resistanceization pump and notes 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, also set up in the aerosol resistanceization chamber there are one cushion gas fogboundization pump.
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, start aerosol resistanceization pump, and whether 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, before carrying out spraying operation, operating personnel 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 dissolving, the resistance liquid concentration mixed is made to reach requirement.
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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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CN201810338742.3A CN108316962B (en) | 2018-04-16 | 2018-04-16 | A kind of mining aerosol retardant spray method |
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CN108316962B CN108316962B (en) | 2019-07-30 |
Family
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Cited By (2)
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CN109794014A (en) * | 2019-03-19 | 2019-05-24 | 西安科技大学 | A kind of mining goaf retardant quick break fire extinguishing device and application method |
CN111287786A (en) * | 2020-03-05 | 2020-06-16 | 太原理工大学 | Temperature-sensitive bursting exocytosis inhibitor and preparation method thereof |
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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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