CN108643955A - A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure - Google Patents
A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure Download PDFInfo
- Publication number
- CN108643955A CN108643955A CN201810384701.8A CN201810384701A CN108643955A CN 108643955 A CN108643955 A CN 108643955A CN 201810384701 A CN201810384701 A CN 201810384701A CN 108643955 A CN108643955 A CN 108643955A
- Authority
- CN
- China
- Prior art keywords
- pass failure
- ventilating
- tunnel
- underground ore
- dust
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 92
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 46
- 229920002521 macromolecule Polymers 0.000 claims abstract description 45
- 230000001939 inductive effect Effects 0.000 claims abstract description 42
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 239000002245 particle Substances 0.000 claims description 22
- 239000000706 filtrate Substances 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000004642 Polyimide Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- 238000005086 pumping Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of ventilating and purifying air systems and dust removal method for metal mine underground Ore-pass failure, belong to mine dedusting technology field.A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present invention, including air inducing tunnel, blower unit, automatic sprayer and macromolecule non-woven filter material deduster, wherein blower unit is used to underground Ore-pass failure return air leading to air inducing tunnel, along wind direction successively equipped with automatic sprayer and macromolecule non-woven filter material deduster in air inducing tunnel.By the way that underground Ore-pass failure return air is led to a special tunnel, the combination dedusting method purification for reusing automatic sprayer and macromolecule non-woven filter material is distinguished and admirable.Distinguished and admirable by purification directly can enter returnairshaft discharge through stope, without newly-built special return aircourse, be widely used in all kinds of metal mine underground Ore-pass failure dust removal by ventilation operations.
Description
Technical field
The invention belongs to mine dedusting technology fields, and system is slipped brokenly for metal mine underground more specifically to one kind
The ventilating and purifying air system and dust removal method of system.Underground Ore-pass failure return air is led to a special tunnel by the present invention by wind turbine, then
It is purified using the combination dedusting method of automatic sprayer and macromolecule non-woven filter material distinguished and admirable.Distinguished and admirable by purification can directly pass through
Stope enters returnairshaft discharge and is widely portable to all kinds of metal mine undergrounds Ore-pass failure without creating special return aircourse
Dust removal by ventilation operation.
Background technology
Ore-pass failure ventilation is an important component and metal mine mine ventilation system for mine ventilation system
A difficult point in design process.Since Ore-pass failure mainly undertakes underground ore reduction, the tasks such as miberal powder recycling, return
In contain a large amount of respirable dusts, these mine dust particles are easily inhaled into lung, cause all kinds of breathing problems, also greatly increase
The incidence of the occupational diseases such as pneumoconiosis.Therefore, it causes damages, slips brokenly to worker's health to avoid ore dust from flowing into stope
System return air needs that special return aircourse is arranged and controls wind facility by return introducing returnairshaft discharge earth's surface.
Currently, it is special positioned at the planning of the Ore-pass failure of mine bottom to be needed when for metal mine mine design ventilating system
With air -return duct, wherein relatively common mainly has following two ways：First, existing tunnel is utilized, second is that separately building tunnel.
It is best using existing tunnel return air if if mine has idle tunnel and meets terms and conditions needed for Ore-pass failure return air
Selection.It needs to occupy other tunnels if the mine is not present using tunnel, this will plan wind path again, may be to adopting
The ventilation of field or haulage level impacts.And special air -return duct is built, construction investment is big, and the construction period is long, is unsuitable for enterprise
Using.
Such as, Chinese Patent Application No. 201320178808.X, the applying date are on 04 10th, 2013, invention and created name
For：A kind of sub-terrain mines Ore-pass failure automatic dust-removing structure, the sub-terrain mines Ore-pass failure automatic dust-removing structure of this application include slipping
Mine point is unloaded in mine and the multiple stage casings being disposed thereon；If mine point is unloaded in ore pass the same side in stage casing, mine point is being unloaded just in each stage casing
The position on opposite is provided with special pumping dirt courtyard away from ore pass borehole wall pre-determined distance；If mine point is unloaded not in ore pass the same side in stage casing,
Then special pumping dirt courtyard is provided with away from ore pass borehole wall pre-determined distance unloading mine point apart from each stage casing apart from farthest lateral location；Specially
It is connected to by multiple releases connection lane between ore pass with dirt courtyard is taken out, it is skewed, upper part and special pumping dirt day that release, which joins lane,
Well is connected to, and lower part is connected to ore pass；It is equipped in the middle part of special pumping dirt courtyard and the special pumping dirt for taking out dirt wind turbine is installed inside it
Gallery.This application joins lane by each release and compressed dust laden air is pressed into rapidly in special pumping dirt courtyard automatically, so
It is taken away by the pumping dirt wind turbine in special pumping dirt gallery, is produced to prevent stage casing from unloading at mine point to a certain extent afterwards
Raw a large amount of dust.But for this application there is still a need for special pumping dirt courtyard is built, project investment cost is higher.
For another example, the application case that Chinese Patent Application No. is 201510055106.6 discloses a kind of underworkings dust-proof purifying
Device, the underworkings dust-proof purifying device of this application, including top are in fan-shaped water curtain frame and are arranged in underworkings
Window screening is arranged in the sector portion of the rotary nozzle at top, the water curtain frame, and spray is arranged in interval on the side wall of the underworkings
Head and air duct, the air duct, which is connect by cable with underground water pipe, to carry out guiding role to nozzle.This application passes through setting
Underworkings dust-proof purifying water curtain, and plastic window screening is used, dust concentration is thus greatly reduced, can be effectively improved worker's
Working environment, and be conducive to save manufacturing cost.But the dust-proof purifying device of this application imitates the dust purification of mine laneway
Fruit is relatively poor, still needs to be further increased.
Invention content
1. technical problems to be solved by the inivention
It is above insufficient existing for existing mine Ore-pass failure return air it is an object of the invention to overcome, it provides one kind and is used for
The ventilating and purifying air system and dust removal method of metal mine underground Ore-pass failure.The present invention utilizes wind turbine, aerosolater and high score
Sub- non-woven filter material forms the ventilating and purifying air system of an efficient stable, which is suitable for most metal mines, has work
Journey amount is small, and the construction period is short, investment it is small, it is quick the advantages that.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present invention, including air inducing tunnel, air inducing
Device, automatic sprayer and macromolecule non-woven filter material deduster, wherein blower unit are for drawing underground Ore-pass failure return air
To air inducing tunnel, it is equipped with automatic sprayer and macromolecule non-woven filter material deduster successively along wind direction in air inducing tunnel.
Further, the automatic sprayer includes the nozzle II for being set to air inducing tunnel top and two side,
Above-mentioned nozzle II is connected with water pipe, and nozzle II water sprays collectively form one of water curtain.
Further, a nozzle is respectively arranged in uniformly distributed two nozzle II at the top of the air inducing tunnel, two wall of tunnel
II, four nozzle II water sprays constitute one of water curtain.
Further, the automatic sprayer includes at least twice water curtain being arranged along air inducing channel spacing.
Further, the automatic sprayer includes the twice water curtain being arranged along air inducing channel spacing, and twice
Spacing between water curtain is 8-12m.
Further, the water pipe being connected with the nozzle is equipped with water meter, Hand-operated butterfly valve, water filter, solenoid valve
Door and booster pump, and the inlet in air inducing tunnel is equipped with sensor of dust concentration, the electricity on the sensor of dust concentration and water pipe
Magnet valve Men Junyu PLC control units are connected；The blower unit uses wind turbine.
Further, the filtrate of the macromolecule non-woven filter material deduster is grouped by the group of following mass percent
At：Polyvinyl chloride 27-33%, polytetrafluoroethylene (PTFE) 28-32%, polypropylene sulfide 13-17% and polyimide fiber 23-27%.
Further, the clipping room between the macromolecule non-woven filter material deduster and automatic sprayer is away from for 0.3-
0.6m, and cleaning machine for filter material structure is installed on macromolecule non-woven filter material deduster, which includes cross bar and driving
The driving mechanism that cross bar moves up and down, the cross bar are equipped with equally distributed nozzle I.
Further, the driving mechanism includes motor and chain, and wherein motor is fixed on macromolecule non-woven filter material
On crossbeam above deduster, the both ends of cross bar are connected by chain with motor driving respectively.
A kind of dust removal by ventilation method for metal mine underground Ore-pass failure of the present invention, ventilation using the present invention remove
Dirt system, specifically includes following procedure：Underground Ore-pass failure return air is led into air inducing tunnel by blower unit, by dust concentration
Sensor acquires tunnel dust concentration data, and by collected data transmission to PLC control unit, by PLC control unit
Determine whether dust concentration reaches predetermined value after calculating analysis；When dust concentration reaches predetermined value, PLC control unit sends out letter
The electromagnetic valve on water pipe number is opened, automatic sprayer starts to work, passes through water curtain dust particles larger to grain size and carry out
Capture sedimentation；When dust concentration is less than preset value, control unit sends out signal-off electromagnetic valve, and spraying is stopped；Through
Treated that dust enters second dust removal installation macromolecule non-woven filter material for automatic sprayer, by the filtrate by distinguished and admirable middle grain
The smaller mine dust particle filtering of diameter gets off, distinguished and admirable to be directly discharged into stope after processing wind matter is up to standard.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
(1) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, including air inducing tunnel, draw
Wind apparatus, automatic sprayer and macromolecule non-woven filter material deduster are led to underground Ore-pass failure return air by blower unit
Air inducing tunnel slips brokenly system then by the combination dedusting method of " spraying+filtering " so as to effectively improve metal mine underground
The ventilating dust-removing effect of system, and without building special return aircourse, project investment cost is relatively low, is suitable for enterprise and promotes and applies.
(2) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, the auto spraying
Device includes the nozzle II for being set at the top of air inducing tunnel and two side, and above-mentioned nozzle II is connected with water pipe, and nozzle II sprays
Water collectively forms one of water curtain, by the effect of the water curtain dust particles larger to grain size in Ore-pass failure return air carry out capture and
Then settlement treatment is further filtered using the macromolecule non-woven filter material particle smaller to distinguished and admirable middle grain size, to advantageous
In the dust removing effects for ensureing Ore-pass failure return air.
(3) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, by air inducing tunnel
Interval setting at least twice water curtain advantageously ensures that so as to further increase the settlement action of distinguished and admirable middle large dust particle
Distinguished and admirable subsequent filter effect.
(4) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, the entrance in air inducing tunnel
Place is equipped with sensor of dust concentration, and the electromagnetic valve on the sensor of dust concentration and water pipe is connected with PLC control unit, from
And the distinguished and admirable middle dust concentration for entering tunnel can automatically be monitored by sensor of dust concentration, when dust concentration is super
When crossing setting value, the electromagnetic valve on water pipe is controlled by PLC control unit and is opened, to make automatic sprayer start work
Make；When dust concentration is less than setting value, then the electromagnetic valve on water pipe is controlled by PLC control unit and closed, auto spraying
Device is stopped, and to not only can guarantee the dust removing effects of Ore-pass failure return air, but also is conducive to save the cost of dust removal process.
(5) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, by macromolecule without
Spin filtrate deduster filtrate component and proportioning optimize, so as to significantly improve its dust removal and filtration effect, make through
Treated, and mine down-hole Ore-pass failure return air matter is greatly improved, and return wind matter meets country《Metal and nonmetal mine
Mountain safety code》For getting working face wind regime dustiness≤0.5mg/m3Regulation, stope can be directly entered.
(6) a kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the invention, macromolecule non-woven filter material
Cleaning machine for filter material structure is installed on deduster, cleaning up and down can carry out macromolecule non-woven filter cloth by wiper mechanism, to
Be conducive to keep the constant of filtering material resistance.
(7) a kind of dust removal by ventilation method for metal mine underground Ore-pass failure of the invention, it is using the present invention logical
Wind dust pelletizing system, after underground Ore-pass failure return air is led to air inducing tunnel, first with the powder that automatic sprayer is larger to grain size
Dirt particle carries out capture sedimentation, then by the effect of macromolecule non-woven filter material by the distinguished and admirable middle smaller mine dust particle filtering of grain size
Get off, Ore-pass failure return air wind matter after processing is effectively improved, and its processing cost of investment is relatively low.
Description of the drawings
Fig. 1 is the dust removal by ventilation process flow chart of metal mine underground Ore-pass failure；
Fig. 2 is the transverse projection figure of automatic sprayer；
Fig. 3 is that the longitudinal projection of automatic sprayer schemes；
Fig. 4 is metal mine underground auto spraying depositing dust control flow chart；
Fig. 5 is the mounting structure schematic diagram of macromolecule non-woven filter material deduster and filtrate deashing cleaning device.
In figure：1, macromolecule non-woven filter material deduster；2, nozzle I；3, motor；4, chain；5, cross bar；6, contact switch；
7, air inducing tunnel；8, nozzle II；801, the first water curtain；802, the second water curtain；9, water pipe.
Specific implementation mode
To further describe the present invention, the invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Fig. 2, Fig. 3 and Fig. 5, a kind of dust removal by ventilation system for metal mine underground Ore-pass failure of the present embodiment
System, including air inducing tunnel 7, blower unit, automatic sprayer and macromolecule non-woven filter material deduster 1, wherein blower unit are used
Be equipped with successively along wind direction in underground Ore-pass failure return air is led to air inducing tunnel 7, in air inducing tunnel 7 automatic sprayer and
Macromolecule non-woven filter material deduster 1.The present embodiment passes through automatic sprayer by the combination dedusting method of " spraying+filtering "
Effect dust particles larger to grain size in Ore-pass failure return air capture and settlement treatment, then utilize macromolecule nonwoven
The filtrate particle smaller to distinguished and admirable middle grain size is further filtered, so as to effectively improve metal mine underground Ore-pass failure
Ventilating dust-removing effect, and without building special return aircourse, project investment cost is relatively low, is suitable for enterprise and promotes and applies.
Embodiment 2
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present embodiment, structure is substantially the same as implementation
Example 1, difference essentially consist in：The automatic sprayer includes the nozzle II for being set to 7 top of air inducing tunnel and two side
8, above-mentioned nozzle II 8 is connected with water pipe 9, and nozzle water spray collectively forms one of water curtain.As shown in Fig. 2, the air inducing tunnel
The 7 uniformly distributed two nozzle II 8 in top, respectively one nozzle II 8 of setting, four water sprays of nozzle II 8 are constituted together two wall of tunnel
Water curtain.
Embodiment 3
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present embodiment, structure is substantially the same as implementation
Example 2, difference essentially consist in：The automatic sprayer can according to circumstances be set as including being spaced to be arranged along air inducing tunnel 7
At least twice water curtain.As shown in figure 3, the automatic sprayer of the present embodiment includes the twice water being arranged along air inducing channel spacing
Curtain：First water curtain 801 and the second water curtain 802, and the spacing between twice water curtain is according to circumstances set as 8-12m, so as to
The settlement action for further increasing distinguished and admirable middle large dust particle advantageously ensures that distinguished and admirable subsequent filter effect.In the present embodiment
The water pipe 9 being connected with the nozzle is equipped with water meter, Hand-operated butterfly valve, water filter, electromagnetic valve and booster pump, and air inducing lane
The inlet in road 7 is equipped with sensor of dust concentration, and the electromagnetic valve on the sensor of dust concentration and water pipe controls with PLC single
Member is connected；The blower unit uses wind turbine.
Wind turbine is responsible for providing power during conveying Ore-pass failure return air, thus the type selecting of wind turbine and operating mode will with slip
Broken system return air amount and system resistance are adapted.Before determining wind turbine model, systematic air flow and resistance, this implementation are first determined
Example is aerated simulation in advance using Ventsim three-dimensional artificial Ventilation simulation softwares.Ventsim is a very outstanding mine
Ventilation three-dimensional visual simulation software, utilizes the powerful operational capability of computer platform, is with " Hardy-Cross " iterative method
Principle resolves ventilation network, realizes the real time dynamic simulation to mine ventilation system.It is every according to Ore-pass failure first
A horizontal workload is determined with drift section product slips brokenly each horizontal institute's required airflow, according to country《Metal and nonmetal mine safety
Regulation》For the regulation of ore reduction tunnel wind speed, each horizontal wind speed control will be generally slipped brokenly between 0.5-4m/s.Determination is slipped
After breaking each horizontal institute's required airflow, total blast volume needed for the sum of institute's required airflow and the Ore-pass failure；System resistance is long according to tunnel
Degree, section size, support form etc. determine.After above-mentioned data are inputted Ventsim softwares, software can provide a satisfaction
Then fan delivery needed for ventilation and wind pressure determine alternative wind turbine according to the air quantity and wind pressure.Before final determining wind turbine, also
The performance curve of alternative wind turbine is simulated in Ventsim softwares, the operating point of wind turbine more occupy performance curve stage casing
Illustrate the more suitable system of the wind turbine.In general, selected wind turbine will follow following principle as possible：
(1) the smaller wind turbine of power is selected as possible in the same conditions；
(2) when selecting wind turbine for Ore-pass failure, as possible to slip brokenly each horizontally disposed low-power fan, with substitution
In the relatively high power wind turbine for slipping brokenly main return airway arrangement.
Automatic sprayer is when slipping brokenly that operation intensity is larger, dust-producing amount is larger, return dustiness is higher, spraying device
It automatically turns on, return is pre-processed, the larger particle of distinguished and admirable middle grain size is settled down.Spraying is set using double water curtains
Meter, twice water curtain is front and back to ensure effect of settling at a distance of 8-12m convenient for there are enough settlement spaces to dust.In conjunction with Fig. 4, spray
Simultaneously using automatically controlling a numerical value is arranged to tunnel dust concentration in advance, by sensor of dust concentration to entering lane in mist
The distinguished and admirable middle dust concentration in road is monitored automatically, and collected data transmission is controlled to PLC control unit by PLC
Unit processed determines whether dust concentration reaches predetermined value after calculating analysis.When dust concentration is more than setting value, controlled by PLC
Unit controls the electromagnetic valve on water pipe 9 and opens, to make automatic sprayer start to work；When dust concentration is less than setting value
When, then the electromagnetic valve on water pipe 9 is controlled by PLC control unit and closed, automatic sprayer is stopped, to protect
The dust removing effects of Ore-pass failure return air are demonstrate,proved, and are conducive to save the cost of dust removal process.
The spraying device of the present embodiment also assembles infrared human body sensor simultaneously, when sensor detects that tunnel has personnel logical
It is out-of-date, it returns and transmits a signal to PLC control unit, control unit sends out signal-off water supply pipe valve, and spraying is stopped,
Personnel in the pit is facilitated to pass through.
Embodiment 4
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present embodiment, structure is substantially the same as implementation
Example 3, difference essentially consist in：The filtrate of the macromolecule non-woven filter material deduster 1 of the present embodiment by following mass percent group
It is grouped as：Polyvinyl chloride 30%, polytetrafluoroethylene (PTFE) 32%, polypropylene sulfide 13% and polyimide fiber 25%.By above-mentioned filtrate
It makes the macromolecule non-woven filter cloth formed and is mounted directly and be fixed in air inducing tunnel 7, the rectangle of size and 7 lower part of air inducing tunnel
Sectional dimension matches, and is sealed between 7 side wall of macromolecule non-woven filter cloth and air inducing tunnel.
Conventional bag deduster media filtration resistance is high and resistance can increase between, low to fine solid particle filter efficiency,
The shortcomings of anti-cleaning frequency is high.Present inventor by filtrate component to macromolecule non-woven filter material deduster and match into
Row optimization design, so as to significantly improve its dust removal and filtration effect, which has surface smooth, and dust is difficult to adhere to, no
The features such as moisture condensation, moisture-proof is good, and aperture is small, preferable to fine solid particle filter effect, long lifespan, is suitable for most metals mine
Mountain.
Clipping room in the present embodiment between macromolecule non-woven filter material deduster 1 and automatic sprayer away from for 0.3m, and
Cleaning machine for filter material structure is installed on macromolecule non-woven filter material deduster 1, which includes cross bar 5 and driving cross bar 5
The driving mechanism moved up and down, the cross bar 5 are equipped with equally distributed nozzle I 2.It can be to macromolecule by wiper mechanism
Non-woven filter cloth is cleaned, and to rinse the dust of filter material surface, prevents filtrate from influencing filter effect because dust adheres to, favorably
In the constant of holding filtering material resistance.It uses simultaneously and moves back and forth up and down mechanical mechanism spraying-rinsing, it is ensured that filtrate cleans nothing
Dead angle.
Embodiment 5
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present embodiment, structure is substantially the same as implementation
Example 4, difference essentially consist in：The filtrate of the macromolecule non-woven filter material deduster 1 of the present embodiment by following mass percent group
It is grouped as：Polyvinyl chloride 33%, polytetrafluoroethylene (PTFE) 28%, polypropylene sulfide 16% and polyimide fiber 23%.In the present embodiment
Away from for 0.4m, the driving mechanism includes electricity for clipping room between macromolecule non-woven filter material deduster 1 and automatic sprayer
Machine 3 and chain 4, wherein motor 3 are fixed on the crossbeam of 1 top of macromolecule non-woven filter material deduster, and the both ends of cross bar 5 lead to respectively
Chain 4 is crossed with the driving of motor 3 to be connected.
Embodiment 6
A kind of ventilating and purifying air system for metal mine underground Ore-pass failure of the present embodiment, structure is substantially the same as implementation
Example 4, difference essentially consist in：The filtrate of the macromolecule non-woven filter material deduster 1 of the present embodiment by following mass percent group
It is grouped as：Polyvinyl chloride 27%, polytetrafluoroethylene (PTFE) 29%, polypropylene sulfide 17% and polyimide fiber 27%；Macromolecule nonwoven
Clipping room between filtrate deduster 1 and automatic sprayer is away from for 0.6m.
A kind of dust removal by ventilation method for metal mine underground Ore-pass failure of the present embodiment, using the logical of the present embodiment
Wind dust pelletizing system, as shown in Figure 1, specifically including following procedure：Underground Ore-pass failure return air is led into air inducing by blower unit
Tunnel 7 acquires tunnel dust concentration data by sensor of dust concentration, and by collected data transmission to PLC control unit,
Determine whether dust concentration reaches predetermined value after PLC control unit calculates analysis；When dust concentration reaches predetermined value,
PLC control unit sends out the electromagnetic valve on signal unlatching water pipe 9, and automatic sprayer is started to work, by water curtain to grain size
Larger dust particles carry out capture sedimentation；When dust concentration is less than preset value, control unit sends out signal-off solenoid valve
Door, spraying are stopped；Through automatic sprayer, treated that dust enters second dust removal installation macromolecule non-woven filter material, leads to
It crosses the filtrate the distinguished and admirable middle smaller mine dust particle filtering of grain size gets off, distinguished and admirable be directly discharged into after processing wind matter is up to standard is adopted
.
When dust-contained airflow is by macromolecule non-woven filter material, particle dust detention controls after a certain period of time in filter material surface
System opens motor 3 and chain 4 is driven to rotate, and for chain cross tube 5 with moving up and down, nozzle I 2 passes through power supply system opening pair
Filter material surface spray clean changes the direction of motion when cross bar movement bumps against contact switch 6, moves back and forth up and down to setting time and stop
Only.
In conclusion underground Ore-pass failure return air is delivered to special fan in a manner of exhaust ventilation by the present invention
Specific region, wind turbine model are determined according to Ore-pass failure return air amount and resistance.After the completion of air inducing, in the region arrangement combinations dedusting
Device, the device are made of auto spraying equipment and macromolecule non-woven filter material two parts.It is automatic to spray during purifying distinguished and admirable
Mist device first pre-processes Ore-pass failure return, and principle is that flow is broken into superfine (Feret using giant
10 μ of diameter or so) suspension droplet, studies have shown that dust particles similar in droplet pair and oneself grain size have stronger absorption
Ability.After spraying pre-processes, the larger dust particles of grain size are suspended droplet and capture and settle down Ore-pass failure return
Come, the smaller mine dust of grain size is moved on return, and enters second dust removal installation macromolecule non-woven filter material.The filtrate energy
It is enough distinguished and admirable to dust-laden further to be filtered, the distinguished and admirable middle smaller mine dust particle filtering of grain size is got off.By it is this " spraying+
The combination dedusting method of filtering ", makes whole system dust removal efficiency further increase.By the reality for applying the process metal mine at certain
Ground detects, which is greatly improved, and return wind matter meets country《Metal and nonmetal mine
Mountain safety code》For getting working face wind regime dustiness≤0.5mg/m3Regulation, stope can be directly entered.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure, it is characterised in that：Including air inducing tunnel (7),
Blower unit, automatic sprayer and macromolecule non-woven filter material deduster (1), wherein blower unit are used for underground Ore-pass failure
Return air leads to air inducing tunnel (7), is equipped with automatic sprayer successively along wind direction in air inducing tunnel (7) and macromolecule nonwoven is filtered
Expect deduster (1).
2. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 1, feature exist
In：The automatic sprayer includes the nozzle II (8), above-mentioned nozzle II for being set to air inducing tunnel (7) top and two side
(8) it is connected with water pipe (9), and nozzle water spray collectively forms one of water curtain.
3. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 2, feature exist
In：Uniformly distributed two nozzle II (8) at the top of the air inducing tunnel (7), two wall of tunnel, one nozzle II (8) of each setting, four
Nozzle II (8) water sprays constitute one of water curtain.
4. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 2 or 3, feature
It is：The automatic sprayer includes along air inducing tunnel (7) spaced at least twice water curtain.
5. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 4, feature exist
In：The automatic sprayer includes the twice water curtain being arranged along air inducing channel spacing, and the spacing between twice water curtain is
8-12m。
6. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 4, feature exist
In：The water pipe (9) being connected with the nozzle is equipped with water meter, Hand-operated butterfly valve, water filter, electromagnetic valve and booster pump, and
The inlet in air inducing tunnel (7) is equipped with sensor of dust concentration, the electromagnetic valve on the sensor of dust concentration and water pipe with
PLC control unit is connected；The blower unit uses wind turbine.
7. a kind of dust removal by ventilation system for metal mine underground Ore-pass failure according to any one of claim 1-3
System, it is characterised in that：The filtrate of the macromolecule non-woven filter material deduster (1) is grouped as by the group of following mass percent：
Polyvinyl chloride 27-33%, polytetrafluoroethylene (PTFE) 28-32%, polypropylene sulfide 13-17% and polyimide fiber 23-27%.
8. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 7, feature exist
In：Clipping room of the macromolecule non-woven filter material deduster (1) between automatic sprayer is away from for 0.3-0.6m, and macromolecule
Non-woven filter material deduster is equipped with cleaning machine for filter material structure on (1), which includes cross bar (5) and driving cross bar (5)
The driving mechanism moved up and down, the cross bar (5) are equipped with equally distributed nozzle I (2).
9. a kind of ventilating and purifying air system for metal mine underground Ore-pass failure according to claim 7, feature exist
In：The driving mechanism includes motor (3) and chain (4), and wherein motor (3) is fixed on macromolecule non-woven filter material deduster
(1) on the crossbeam above, the both ends of cross bar (5) are connected by chain (4) with motor (3) driving respectively.
10. a kind of dust removal by ventilation method for metal mine underground Ore-pass failure, it is characterised in that：Using claim 1-9
Any one of described in ventilating and purifying air system, specifically include following procedure：Underground Ore-pass failure return air is drawn by blower unit
To air inducing tunnel (7), tunnel dust concentration data are acquired by sensor of dust concentration, and by collected data transmission to PLC
Control unit determines whether dust concentration reaches predetermined value after PLC control unit calculates analysis；When dust concentration reaches pre-
When definite value, PLC control unit sends out the electromagnetic valve on signal unlatching water pipe (9), and automatic sprayer is started to work, and water is passed through
The curtain dust particles larger to grain size carry out capture sedimentation；When dust concentration is less than preset value, control unit sends out signal pass
Electromagnetic valve is closed, spraying is stopped；Through automatic sprayer treated dust enters second dust removal installation macromolecule without
Filtrate is spun, the distinguished and admirable middle smaller mine dust particle filtering of grain size is got off by the filtrate, it is distinguished and admirable straight after processing wind matter is up to standard
Run in into stope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384701.8A CN108643955A (en) | 2018-04-26 | 2018-04-26 | A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384701.8A CN108643955A (en) | 2018-04-26 | 2018-04-26 | A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108643955A true CN108643955A (en) | 2018-10-12 |
Family
ID=63747620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384701.8A Pending CN108643955A (en) | 2018-04-26 | 2018-04-26 | A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108643955A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751073A (en) * | 2019-02-03 | 2019-05-14 | 菏泽学院 | Mine gate-type circulation dust collector |
| CN109779675A (en) * | 2019-03-20 | 2019-05-21 | 中钢集团马鞍山矿山研究院有限公司 | A kind of composite dedusting purification system for underground mine drop shaft ore drawing treating flour dust |
| CN111502728A (en) * | 2020-05-12 | 2020-08-07 | 海南矿业股份有限公司 | Ventilation and dust removal method for chute breaking system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266909A (en) * | 2013-05-15 | 2013-08-28 | 山西晋城无烟煤矿业集团有限责任公司 | Dust removal method of working face coal dust in tunneling coal cutting of roadway unit and dust removal chamber |
| CN203441516U (en) * | 2013-05-10 | 2014-02-19 | 玉溪大红山矿业有限公司 | Ventilation structure of sliding and blasting system and capable of effectively removing dust and cooling |
| CN105604601A (en) * | 2015-12-28 | 2016-05-25 | 中煤第五建设有限公司第一工程处 | Wind and water combined spraying and dust removing method of tunneling work face in roadway |
| CN106829394A (en) * | 2017-02-22 | 2017-06-13 | 河北钢铁集团矿业有限公司 | A kind of belt conveyor deslagging device of Ore-pass failure |
| CN106837405A (en) * | 2017-03-13 | 2017-06-13 | 中钢集团马鞍山矿山研究院有限公司 | A kind of underground mine returnairshaft dirt wind demisting dust falling system |
| CN207715171U (en) * | 2017-11-30 | 2018-08-10 | 邓权龙 | A kind of drop shaft ore discharging port wet dust removal purification system |
-
2018
- 2018-04-26 CN CN201810384701.8A patent/CN108643955A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203441516U (en) * | 2013-05-10 | 2014-02-19 | 玉溪大红山矿业有限公司 | Ventilation structure of sliding and blasting system and capable of effectively removing dust and cooling |
| CN103266909A (en) * | 2013-05-15 | 2013-08-28 | 山西晋城无烟煤矿业集团有限责任公司 | Dust removal method of working face coal dust in tunneling coal cutting of roadway unit and dust removal chamber |
| CN105604601A (en) * | 2015-12-28 | 2016-05-25 | 中煤第五建设有限公司第一工程处 | Wind and water combined spraying and dust removing method of tunneling work face in roadway |
| CN106829394A (en) * | 2017-02-22 | 2017-06-13 | 河北钢铁集团矿业有限公司 | A kind of belt conveyor deslagging device of Ore-pass failure |
| CN106837405A (en) * | 2017-03-13 | 2017-06-13 | 中钢集团马鞍山矿山研究院有限公司 | A kind of underground mine returnairshaft dirt wind demisting dust falling system |
| CN207715171U (en) * | 2017-11-30 | 2018-08-10 | 邓权龙 | A kind of drop shaft ore discharging port wet dust removal purification system |
Non-Patent Citations (2)
| Title |
|---|
| 周福宝等: "综掘工作面干式过滤除尘技术实验研究及实践", 《煤炭学报》 * |
| 张大明: "输煤巷道煤尘运移规律及治理技术研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751073A (en) * | 2019-02-03 | 2019-05-14 | 菏泽学院 | Mine gate-type circulation dust collector |
| CN109779675A (en) * | 2019-03-20 | 2019-05-21 | 中钢集团马鞍山矿山研究院有限公司 | A kind of composite dedusting purification system for underground mine drop shaft ore drawing treating flour dust |
| CN109779675B (en) * | 2019-03-20 | 2020-11-10 | 中钢集团马鞍山矿山研究总院股份有限公司 | Composite dust removal and purification system for treating ore drawing dust of underground mine drop shaft |
| CN111502728A (en) * | 2020-05-12 | 2020-08-07 | 海南矿业股份有限公司 | Ventilation and dust removal method for chute breaking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108643955A (en) | A kind of ventilating and purifying air system and dust removal method for metal mine underground Ore-pass failure | |
| CN107882584A (en) | A kind of high-efficiency dust removal system and application method suitable for constructing tunnel | |
| BRPI0721362A2 (en) | Method and equipment for filtering air in an urban environment | |
| CN104265289B (en) | Water-curtain dust sealing and removing technique and device for excavation working face | |
| CN207554100U (en) | A kind of high-efficiency dust removal system suitable for constructing tunnel | |
| CN110410075B (en) | Fully-mechanized excavation roadway/tunnel construction dust removal method and dust removal system | |
| CN105089703A (en) | Mine safety system and control method | |
| CN104594278B (en) | A kind of speedway mist, haze cleaning system and purification method | |
| CN114060091B (en) | Colliery gas explosion early warning protector | |
| CN109779675A (en) | A kind of composite dedusting purification system for underground mine drop shaft ore drawing treating flour dust | |
| CN209612505U (en) | A kind of comprehensive efficient dust collecting and removing device of movable type | |
| CN108355455A (en) | A kind of dust processing equipment | |
| CN108194123A (en) | A kind of dust removing down-hole of coal mine device and dust removal method | |
| CN113648759A (en) | Intelligent wet dust removal equipment | |
| CN209539392U (en) | A kind of coal mining wet precipitator | |
| KR102208241B1 (en) | High-efficiency bagfilter system for reducing fine dust in underground tunnel space | |
| CN107816003A (en) | Sweeper | |
| CN107421024A (en) | A kind of construction site air cleaning system and purification method | |
| CN103961964A (en) | Efficient raised dust processing device used in mine grinding field | |
| CN204941603U (en) | A kind of mine safety system | |
| CN204238972U (en) | The two air-drafting and dust-removing device of mine whitewashing | |
| CN208642102U (en) | A kind of micro moving dry dust removal apparatus | |
| CN108079682A (en) | The offline calcium carbide burner gas dry-dedusting system of valveless | |
| CN205832849U (en) | Down-hole kaolin suspension Wind Volume atomization Wen's cleaner | |
| CN219344738U (en) | Spraying dust fall equipment for dust prevention of underground tunnel of coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |