CN103063466B - A kind of down-hole spraying and dedusting quantification analogue means and method - Google Patents
A kind of down-hole spraying and dedusting quantification analogue means and method Download PDFInfo
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- CN103063466B CN103063466B CN201310006130.1A CN201310006130A CN103063466B CN 103063466 B CN103063466 B CN 103063466B CN 201310006130 A CN201310006130 A CN 201310006130A CN 103063466 B CN103063466 B CN 103063466B
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- water
- coal dust
- dedusting
- quantification
- spray
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005507 spraying Methods 0.000 title claims abstract description 26
- 238000011002 quantification Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000002817 coal dust Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 238000005345 coagulation Methods 0.000 claims abstract description 15
- 230000015271 coagulation Effects 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 16
- 238000005065 mining Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- -1 sulfate radical Chemical class 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 abstract description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of down-hole spraying and dedusting quantification analogue means and method, this device comprises fan blower, coal dust room, sieve, spray chamber, shower nozzle etc.Blasted the coal dust of different-grain diameter by fan blower, the particle size range of coal dust realizes by the sieve of different pore size and combination, to investigate the coal dust of spraying and dedusting to different-grain diameter and the removal effect of concentration, and carries out quantification according to dust removing effects to spray-water; Shower water is made to pass through to be loaded with the pipeline of the gangue of working seam, to simulate the change of shower water water quality behind tunnel, investigate change of water quality to underground water mitigation, and the shower water of circulation is through conventional coagulation and filtration, after suspension is up to standard, the impact of other ion pair dust removing effects in water, for the selection of suitable mine water treatment technique provides guidance, and according to dust removing effects, quantification is carried out to spray-water, grasp the Changing Pattern of water quality in tunnel; And provide guidance to the selection of rational mine water treatment technique or coagulant kind.<!--1-->
Description
Technical field
The invention belongs to spraying and dedusting technical field, particularly relate to a kind of down-hole spraying and dedusting quantification analogue means and method.
Background technology
In process of coal mining, as jewel hole, explosion, driving and coal mining activity, roof control, the links such as the loading transport of coal, all can produce a large amount of dust. and down-hole spraying and dedusting is the method that existing dedusting is commonly used.Mining area, north major part is in water-deficient area, and coal mining causes groundwater level, and mine water has become the important water resource in mining area.Now, mining area mine water is after simple filtration/coagulation and filtration (SS 30) or the process of counter-infiltration even depth, the overwhelming majority enters mine, for dust removing down-hole (taking the water yield overwhelming majority) and fire-fighting, the quantitative of science is not carried out to spraying and dedusting water consumption, thus likely cause the huge waste of water resource, also likely increase the pollution to underground water.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of down-hole spraying and dedusting quantification analogue means and method, be intended to solve mining area mine water after simple filtration/coagulation and filtration (SS 30) or the process of counter-infiltration even depth, the overwhelming majority enters mine, for dust removing down-hole (taking the water yield overwhelming majority) and fire-fighting, the quantitative of science is not carried out to spraying and dedusting water consumption, thus likely cause the huge waste of water resource, also likely increase the problem of the pollution to underground water.
The embodiment of the present invention is achieved in that a kind of down-hole spraying and dedusting quantification analogue means, and this down-hole spraying and dedusting quantification analogue means comprises:
Fan blower: for the coal dust pulverized is sent into spray chamber;
Coal dust room: for being loaded with the coal dust of various particle diameter;
Sieve, is made up of the sieve in various aperture, for selecting the coal dust within the scope of different-grain diameter as required, to investigate the coal dust removal effect of spray to different-grain diameter;
Spray chamber: for simulating lane space;
Shower nozzle: the mine water of spray process, for dedusting, its shower nozzle area is by the area of spray chamber;
The pipeline of gangue is housed: for simulating underworkings, to investigate shower water through tunnel change of water quality;
Adopting mining area coagulation and filtration technique, take suspension as index, for determining heavy metal in water, sulfate radical, nitrate nitrogen and the ammonium nitrogen coagulation and filtration room on the impact of dust removing effects;
Gas sample mouth: for extracting gases, analyzes gas componant, thus evaluates dust removing effects.
Further, spray chamber shape is rectangular parallelepiped, top is furnished with shower nozzle, bottom is osculum.
Another object of the present invention is to provide a kind of down-hole spraying and dedusting quantification analogy method, the particle size range of coal dust is by different pore size (150 orders, 1600 orders and 6000 orders) sieve and combination to simulate TSP, PM10 and PM2.5 and interval suspended particulate substance, investigate the different water yield, (different cycle index is through the water quality of the coagulation and filtration of routine for water quality, also certain pollutant of variable concentrations gradient can artificially be added as required) removal effect (water-quality guideline: suspension (SS) to the dust granules thing of variable concentrations and particle diameter, heavy metal, sulfate radical, nitrate nitrogen and ammonium nitrogen), air suspended particulated index: TSP, PM10 and PM2.5, harmful gas index: harmful gas in ore deposit safety regulations (the 13 edition)), determine best water consumption, thus quantification is carried out to spray-water.
The analogue means of spraying and dedusting provided by the invention and method, study spray water quality, cycle index, the particle diameter of dust and the impact of concentration on dust removing effects, thus provide scientific basis for the quantification of spraying and dedusting water consumption; Also the Changing Pattern of the mine water water quality in tunnel after spraying and dedusting can be grasped; And provide guidance to the selection of rational mine water treatment technique or coagulant kind.
Accompanying drawing explanation
Fig. 1 is the structural representation of the analogue means of the spraying and dedusting that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing 1 and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention is used for mechanism and the Quantitative study of mine water underground spraying and dedusting, provide a kind of down-hole spraying and dedusting quantification analogy method, the coal dust of different-grain diameter is blasted by fan blower, the particle size range of coal dust realizes by the sieve of different pore size and combination, to investigate the coal dust of spraying and dedusting to different-grain diameter and the removal effect of concentration, and according to dust removing effects, quantification is carried out to spray-water.
Shower water is made to pass through to be loaded with the pipeline of the gangue of working seam, to simulate the change of shower water water quality behind tunnel, investigate change of water quality to underground water mitigation, and the shower water of circulation is through conventional coagulation and filtration, after up to standard, the impact of other ion pair dust removing effects in water.For the selection of suitable mine water treatment technique or coagulant kind provides guidance, and according to dust removing effects, quantification is carried out to spray-water.
This down-hole spraying and dedusting quantification analogue means comprises:
Fan blower: for the coal dust pulverized is sent into spray chamber;
Coal dust room: for being loaded with the coal dust of various particle diameter;
Sieve, is made up of the sieve in various aperture, for selecting the coal dust within the scope of different-grain diameter as required, to investigate the coal dust removal effect of spray to different-grain diameter;
Spray chamber: for simulating lane space;
Shower nozzle: the mine water of spray process, for dedusting, its shower nozzle area is by the area of spray chamber;
The pipeline of gangue is housed: for simulating underworkings, to investigate shower water through tunnel change of water quality;
Adopting mining area coagulation and filtration technique, take suspension as index, for determining heavy metal in water, sulfate radical, nitrate nitrogen and the ammonium nitrogen coagulation and filtration room on the impact of dust removing effects;
Gas sample mouth: for extracting gases, analyzes gas componant, thus evaluates dust removing effects.
In embodiments of the present invention, spray chamber shape is rectangular parallelepiped, top is furnished with shower nozzle, bottom is osculum.
As shown in Figure 1, the embodiment of the present invention additionally provides a kind of down-hole spraying and dedusting quantification analogue means, and primary structure is:
Fan blower-coal dust room-sieve (different pore size)-spray chamber (shape is rectangular parallelepiped, top is furnished with shower nozzle, bottom is osculum)-plastic tube (being inside loaded with gangue)-treating apparatus (coagulation/filtering technique)-shower nozzle.
The Main Function of each several part is: fan blower: the coal dust pulverized is sent into spray chamber; Coal dust room: the coal dust being loaded with various particle diameter; Sieve is made up of the sieve in various aperture, can select the coal dust within the scope of different-grain diameter as required, to investigate the coal dust removal effect of spray to different-grain diameter; Spray chamber: simulation lane space; Shower nozzle: the mine water of spray process, for dedusting, its shower nozzle area is by the area of spray chamber; The pipeline of gangue is housed: for simulating underworkings, to investigate shower water through tunnel change of water quality;
Treating mine drainage facility is: adopt the coagulation and filtration technique that mining area is conventional, with SS(suspension) be index, investigate except SS(suspension) impact of other ion pair dust removing effects of outer water quality.
Gas sample mouth: for extracting gases, analyzes gas componant, thus evaluates dust removing effects.
The embodiment of the present invention additionally provides a kind of down-hole spraying and dedusting quantification analogy method, the particle size range of coal dust is by different pore size (150 orders, 1600 orders and 6000 orders) sieve and combination to simulate TSP, PM10 and PM2.5 and interval suspended particulate substance, investigate the different water yield, (different cycle index is through the water quality of the coagulation and filtration of routine for water quality, also certain pollutant of variable concentrations gradient can artificially be added as required) removal effect (water-quality guideline: suspension (SS) to the dust granules thing of variable concentrations and particle diameter, heavy metal, sulfate radical, nitrate nitrogen and ammonium nitrogen), air suspended particulated index: TSP, PM10 and PM2.5, harmful gas index: harmful gas in ore deposit safety regulations (the 13 edition)), determine best water consumption, thus quantification is carried out to spray-water.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a down-hole spraying and dedusting quantification analogue means, is characterized in that, this down-hole spraying and dedusting quantification analogue means comprises:
Fan blower: for the coal dust pulverized is sent into spray chamber;
Coal dust room: for being loaded with the coal dust of various particle diameter;
Sieve, is made up of the sieve in various aperture, for selecting the coal dust within the scope of different-grain diameter as required, investigates the coal dust removal effect of spray to different-grain diameter;
Spray chamber: for simulating lane space;
Shower nozzle: the mine water of spray process, for dedusting, its shower nozzle area is determined by the area of spray chamber;
The pipeline of gangue being housed: for simulating underworkings, investigating shower water through tunnel change of water quality;
Adopting mining area coagulation and filtration technique, take suspension as index, for determining heavy metal in water, sulfate radical, nitrate nitrogen and the ammonium nitrogen coagulation and filtration room on the impact of dust removing effects;
Gas sample mouth: for extracting gases, analyzes gas componant, thus evaluates dust removing effects;
Spray chamber shape is rectangular parallelepiped, top is furnished with shower nozzle, bottom is osculum.
2. a down-hole spraying and dedusting quantification analogy method, it is characterized in that, the coal dust of more than 150 orders is blasted by the fan blower of air volume controlled, the particle size range of coal dust to simulate TSP, PM10 and PM2.5 and interval suspended particulate substance, investigates the different water yield, water quality to the removal effect of the dust granules thing of variable concentrations and particle diameter by the sieve of different pore size and combination; Determine best water consumption, thus quantification is carried out to spray-water;
The particle size range of coal dust is 150 orders, 1600 orders and 6000 object sieve and combinations by different pore size;
Investigate the water quality of different cycle index through coagulation and filtration, artificially add certain pollutant of variable concentrations gradient as required;
Water-quality guideline: suspension (SS), heavy metal, sulfate radical, nitrate nitrogen and ammonium nitrogen.
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|---|---|---|---|---|
| CN103485301A (en) * | 2013-09-27 | 2014-01-01 | 北京市市政工程研究院 | Simulation system and method for suppressing road dust and reducing PM2.5 (particulate matter 2.5) |
| WO2015064143A1 (en) * | 2013-10-31 | 2015-05-07 | 千住金属工業株式会社 | Flux recovery device and soldering device |
| CN103543242B (en) * | 2013-11-05 | 2016-04-06 | 中海油能源发展股份有限公司惠州石化分公司 | A kind of dust suppressant dust suppression rate test evaluation device |
| CN103712906B (en) * | 2013-12-25 | 2016-06-15 | 北京科技大学 | A kind of simulation PM2.5Contaminated environment corrosion test chamber |
| CN104296958A (en) * | 2014-09-12 | 2015-01-21 | 山东科技大学 | Coal mine underground PM2.5 concentration simulation detecting system |
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| CN105043795A (en) * | 2015-06-09 | 2015-11-11 | 福州汇智集佳电子技术有限公司 | Test method based on haze removing efficiency test system |
| CN104849088B (en) * | 2015-06-09 | 2016-03-30 | 福州汇智集佳电子技术有限公司 | A kind of haze elimination efficiency test macro |
| CN105920955B (en) * | 2016-04-27 | 2018-09-18 | 桂林电子科技大学 | A kind of blowing and drawing type dust pelletizing system of the underground space |
| CN105928724B (en) * | 2016-06-02 | 2018-08-21 | 中机试验装备股份有限公司 | A kind of drilling cuttings conveying microcirculation single test method and experimental rig |
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