CN104121034A - Coal mine gas treatment liquid and treatment method - Google Patents
Coal mine gas treatment liquid and treatment method Download PDFInfo
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- CN104121034A CN104121034A CN201310151649.9A CN201310151649A CN104121034A CN 104121034 A CN104121034 A CN 104121034A CN 201310151649 A CN201310151649 A CN 201310151649A CN 104121034 A CN104121034 A CN 104121034A
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Abstract
The invention relates to a coal mine gas treatment liquid and a treatment method. In order to solve the problem of coal mine gas hazards, the treatment liquid is composed of, by weight, 98 parts of water-soluble organic acid or acetic acid bacteria, 3-18 parts of sugar, 3-6 parts of saccharomycetes and water, wherein the weight of the water is several times or more than a dozen times the total weight of the first three kinds of raw materials. The sugar is sugar made from beet, or beet root crushed pulp, or sugar made from corn straws, or corn straw powder or pulp through saccharification processing or leaf powder or pulp after saccharification processing. The water-soluble organic acid is fermented plant acid formed by fermenting raw plant materials. According to the treatment method, by weight, 98 parts of water-soluble organic acid or acetic acid bacteria, 3-18 parts of sugar, 3-6 parts of saccharomycetes and the water are mixed to form a solution, wherein the weight of the water is several times or more than a dozen times the total weight of the first three kinds of raw materials, and the solution is injected into a drilled extraction hole in a pressing mode. The coal mine gas treatment liquid and the treatment method have the advantages that cost is low, operation and use are convenient, coal quality is not affected, the effect is good, the treatment effect of coal mine gas can be improved, downhole operation personnel and equipment are not affected obviously, and safety and high efficiency are achieved.
Description
Technical field
The present invention relates to a kind of control of coalmine gas medicament, particularly relate to a kind of control of coalmine gas liquid and improvement method.
Background technology
Safety is greater than sky, and responsibility overweights mountain, wants to have more coal, grabs safety everyday.It is crucial administering gas.Special gas accident is the most fearful, is at every moment threatening miner's life, and this is immeasurable loss to China's coal-mine workman and national wealth.A technological gap for many years.
China administers coal mine gas method at present has:
Ventilation is main: for coal miner can normally be worked in down-hole, with forcing wind dilution gas and gas being taken out of.Its advantage has: (1) reduces face gas density (2) normally works workman the aboveground fresh distinguished and admirable down-hole that is transported to.
Water filling is main: at face (top layer), first with electric coal drill, coal air drill, auger stem, beat 10-15 rice deep hole.With cryogenic high pressure emulsification pump, carry out water filling again.Through inventor's long-term observation, find to exist following defect: (1) this method does not ensure workman's personal safety.(2) manufacturing schedule and economic benefit are not ensured.(3) the method can only be used under low gaseous mine, can not use at highly gassy mine, and particularly two prominent mines are inapplicable, and high prominent mine is inapplicable, if in low gaseous mine face punching water filling, is mainly to reduce coal dust rather than administer gas.Summary is got up, and high fiery colliery accounts for the more than 70% of colliery total amount.If in high Gassy Coal Face water filling, punching 10-15 rice is dark, and can only water filling 3-5 rice dark, all the other notes not be intake, and too high because of gas flow, interior pressure surpasses external pressure, and gas impact force is very strong, and the impact force of gas is over water injection pressure.If with water under high pressure note by force into, easily make coal wall caving, roof cracking, injector high-voltage tube is destroyed, very dangerous to workman construction.When water filling is invalid, the firedamp drainage of punching, at Manual punching 10-15 rice for pick face, hole count, at 18-35, must have high concentration gas to gush out during punching in hole, if do not noted, has at any time casualty accident and occurs.
Leading punching gas drainage under suction method: in order to reduce mine ventilation cost, adopt leading punching extraction method, when leading punching, workman is constructed dangerous, because work plane (rib) has high concentration high-load Gas equally, once flashing, has blast and danger of combustion at any time.
Bed rock lane punching extraction method: for work creates conditions to face, also be in order to make the monoblock work plane after driving no longer include high concentration gas appearance, monoblock face is contained to high concentration gas to be extracted into aboveground, making work plane no longer include a large amount of gas occurs, during punching, gas is large, often occur spray orifice, stick of tool, crown drill, a 50-150 rice boring, need to take out the 20-30% gas of 6-12 month.There is the gas exceeding limit blowing-out that can have a power failure, dangerous to workman's life.
Open rock gangway punching pump drainage method: for colliery digging safety, open many km passages in rock stratum, investment is super ten million, consume the plenty of time at the punch drawing-off gas in coal seam of rock gangway, the loss that this passive method is brought is imponderable.China's coal-mine gas serious accident is caused by these several situations, if the Guizhou Province's Gas Explosion Accidents in Coal Mines death toll recently occurring is up to 34 people, hinders 34 people, and wherein 5 people can not find, and economic loss is huge.Coal supply mine belt comes thus loss is annualized will lose hundreds of hundred million funds, and more than injures and deaths 100 people, the dead group's wound of group particularly, the gas control technology technology of saving somebody's life especially.Therefore, a kind of liquid of control of coalmine gas is safely and efficiently badly in need of in colliery, uses gas control liquid product both can disappear and also can take out.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect of prior art, and a kind of control of coalmine gas liquid is provided, and the invention still further relates to the mash gas harnessing method that uses this improvement liquid.
For achieving the above object, control of coalmine gas liquid of the present invention is comprised of the raw material of following weight proportion: the water of water-soluble organic acid or acetic acid bacteria 98, sugared 3-18, saccharomycete 3-6, aforementioned three kinds of raw material gross weight several times or ten several times.After mixing with three kinds of raw materials, during use, be watered, can, to pressure injection in the drainage holes of accomplishing fluently in advance, just can receive the gas control effect of getting twice the result with half the effort.It should be noted that: needed water-soluble organic acid and sugar are all preferably extracted or fermented by vegetable raw material and makes, can reduce costs like this, pure plant material is more conducive to environmental protection, is also more conducive on the impact of personnel and equipment, be down to minimum by administering liquid.Gas control liquid of the present invention after lot of experiments proof per kilogram is watered can be collected gas 30-40 cubic meter.Because gas control liquid of the present invention, applicable to various gas pumping utilizations, the elimination in all kinds of collieries, can be received satisfied regulation effect, so claim gas control liquid.
As optimization, described water-soluble organic acid is the water-soluble organic acid that organic matter extracts or organic matter fermentation makes.Described plant comprises crops, the leaf of trees and fruit.
As optimization, described water-soluble organic acid is selected from acetic acid, folic acid, oxalic acid, GLU, alanine, lactic acid, aliphatic acid, citric acid.Can be a kind of component wherein, can be also any cooperation of Multicomponent.
As optimization, the addition of described water is aforementioned three kinds of raw material gross weight 3-12 times.This is watered ratio is the conventional ratio that inventor's long term test obtains, and according to down-hole concrete condition, also can suitably adjust.
As optimization, described water is 8-12 times of weight.So design, so proportioning regulation effect is better.
As optimization, described sugar is 9-11 weight portion, and described saccharomycete is 4 weight portions.So design, so proportioning regulation effect is better.
As optimization, described sugar is selected from that sugar that beet makes or beet root are pulverized sugar that slurries or corn stalk make or through the finished corn straw powder of saccharification or slurry or through the finished leaf powder of saccharification or slurry; Described water-soluble organic acid is the plant fermentation acid that plant material fermentation is made.Described beet, maize straw have polysaccharide, be that glucomannan reaches more than 45%, because the content requirement of sugar is very not strict in formula, for the purpose of its consumption measures for convenience, can calculate with the consumption of beet completely, in cornstalk, other component is also conducive to gas control in addition, so can not affect regulation effect with cornstalk metering.In like manner: leaf also, containing a large amount of plant sugars, because it is insoluble to cold water, is soluble in molecular water, the slow hot water that is dissolved in, dissolves so need to convert molecular water while using.
Utilize the mash gas harnessing method of control of coalmine gas liquid of the present invention, it is characterized in that following weight proportion: the water of water soluble organic substance acid or acetic acid bacteria 98, sugared 3-18, saccharomycete 3-6 and aforementioned three kinds of raw material gross weight several times or ten several times is mixed and made into solution, to pressure injection in the drainage holes of accomplishing fluently.
As optimization, the addition of described water is 3-12 times of aforementioned three kinds of raw material gross weights; Described drainage holes is positioned at work plane lower air duct.Tunnel 6 work planes, stone door punching coal, Di Chou lane.
As optimization, described sugar is 9-11 weight portion, and described saccharomycete is 4 weight portions; Described pressure injection is that described solution under high pressure produces after vaporific and reinjects in coal seam.Gas and utilize gas can disappear.
The preferred 4-16MPA of water injection pressure, is preferably in liquid after being watered and under high pressure produces after vaporific and reinject in coal seam.Its vaporific injection: 1, can increase the gas permeability of coal, improve governance quality.2, increase coal production and benefit.
Using method (solution of pinpointing the problems): when coal-bed gas excessive concentration, gas emission is too high, when punching, find boring coal powder injection, stick of tool bar, boring is smoldered, drilling rod heating produces spark, after blowing out, find that gas is suddenly big or suddenly small, during coal seam, ring coal big gun: at getting working face air quantity too hour, can carry out fluid injection presses wind and adds liquid 0.5-1.5MPa of the present invention, hydraulic pressure 4-16MPa, single hole fluid injection (liquid of the present invention after being watered) amount is calculated 1 kg/m by hole depth, if find that spray orifice can adopt fluid injection after first extraction, the first extraction time must not be less than 48 hours, the normal extraction time of drainage holes must not be less than 168 hours.
Fluid injection process is beaten deep hole according to each ore deposit geological conditions and each ore deposit use equipment, and the degree of depth is by each ore deposit design digging apart from calculating, and the quantity in hole is calculated by rice with distance, hole and pitch of holes 15-20 rice.Conventionally the proof that studies for a long period of time is efficient more than 95%, i.e. 100 extractions, have at least and can receive remarkable result 95 times.
Its effect has: 1, adopt the present invention to administer after liquid improvement, there will be no high concentration gas to occur; 2, after gas pumping, no longer need rock gangway punching gas pumping, and gas can obtain collecting and utilize, not waste useful resource; 3, by application the present invention, administer after liquid improvement, no longer there will be the dead group of group to hinder accident; 4, the coal seam after application liquid of the present invention, no longer has sulfur dioxide, carbon dioxide, hydrogen sulfide, methane.5, application the present invention administer liquid on ature of coal without impact, can avoid a large amount of gas accidents to occur.
Adopt after technique scheme, it is low, easy for operation that control of coalmine gas liquid of the present invention has cost, without impact, effective on ature of coal, can improve control of coalmine gas effect, downhole operations personnel and equipment also had no significant effect, safely and efficiently advantage.
The specific embodiment
Embodiment mono-, and control of coalmine gas liquid of the present invention is mixed by following weight proportion raw material; 98 kilograms of acetic acid bacterias, 3 kilograms of beet sugars, 3 kilograms, saccharomycete.During use, dissolve in the water that first three plants 3 times of raw material gross weights.
Embodiment bis-, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 8 kilograms of the sugar that 98 kilograms of acetic acid bacterias, corn are made, 6 kilograms, saccharomycete, dissolve in the water that first three plants 12 times of raw material gross weights during use.
Embodiment tri-, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 8 kilograms of the sugar that 98 kilograms of acetic acid bacterias, corn are made, 4 kilograms, saccharomycete, dissolve in the water that first three plants 6 times of raw material weights during use.
Embodiment tetra-, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 5 kilograms of the sugar that 98 kilograms of vinegar, corn are made, 4 kilograms, saccharomycete, dissolve in the water that first three plants 8 times of raw material gross weights during use.
Embodiment five, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 3 kilograms of the sugar that 98 kilograms of acetic acid bacterias, corn are made, 4 kilograms, saccharomycete, the water that aforementioned three kinds of raw material gross weights are 10 times.
Embodiment six, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 10 kilograms of the sugar that 98 kilograms of acetic acid bacterias, corn are made, 4 kilograms, saccharomycete, dissolves in the water that first three plants 12 times of raw material gross weights during use.
Embodiment seven, and control of coalmine gas liquid of the present invention is mixed than raw material by following reprovision; 98 kilograms of acetic acid bacterias, 8 kilograms of beet sugars, 4 kilograms, saccharomycete.The water of 12 times of aforementioned base materials gross weight.
Embodiment eight, and the following reprovision of control of coalmine gas liquid of the present invention mixes than raw material; 98 kilograms of acetic acid bacterias, 5 kilograms of beet sugars, 4 kilograms, saccharomycete.The water of 12 times of aforementioned base materials gross weight.
Embodiment nine, and the following reprovision of control of coalmine gas liquid of the present invention mixes than raw material; 98 kilograms of vinegar, 18 kilograms, beet sugar root slurry, 4 kilograms, saccharomycete.The water of 12 times of aforementioned base materials gross weight.While adding other acid,
Described water-soluble organic acid is a kind of in the Water Soluble Compound acid that obtains of plant fermentation, citric acid, lactic acid or multiple mixture arbitrarily; Described sugar is selected from a kind of or any multiple mixture of primverose (maltose that corn flour is made), sucrose, fructose.The described water-soluble organic acid organic acid that preferred plant fermentation makes the most.
Using method and effect:
One, control of coalmine gas liquid of the present invention be on March 30th, 2009 certain ore deposit A work plane carry out, by technical requirements, on work plane, lower air duct punches simultaneously, is respectively 70 meters and 60 meters, 180 meters of work plane total lengths, by technical requirements, adopt the middle isolation strip that must retain 10-15 rice of face, one 60 kilograms of (containing) water of this product embodiments are injected respectively in every hole, and in hole, gas index is zero dividing value 10-20 times, coal body ton coal gas 25 content cubic meters.Administer after seven days, record effect hole gas index and be doubly down to below-0.8 times by original 10-20.Ton coal gas bearing capacity drops to 0.06 cube for further grasping the validity of this technology by original 25 cubic metres, continue again to administer 5 days, recording again effect hole gas, to be down to a ton coal gas bearing capacity be 0.1 cubic metre, by the operation on the spot of 12 days, prove that this ore deposit has reached safety in production requirement, improved 60-80% with traditional extract phase ratio, total regulation effect is more than 95%.
Two, at B miner's work plane, carry out gas pumping operation on May 8th, 2009,180 meters of this work plane total lengths, upper lower air duct punches 155 meters simultaneously, and 2 60 kilograms of (containing) water of this product embodiments are injected respectively in every hole, and in gaging hole, gas index is zero dividing value 12-18 times.Ton coal gas bearing capacity is 23 cubic metres.60 kilograms of products after the present invention is watered are injected respectively in two holes, administer after 2 days, beat 30 meters, effect hole, record middle gas bearing capacity in hole and be down to 0.3 by original 23, ton coal gas bearing capacity is down to 0.12 cubic metre by evidence successful, meets national security production requirement completely.
Three, carry out 105 meters of this ore deposit work plane total lengths on July 16th, 2009 at C ore deposit work plane.Upper lower air duct respectively punches 45 meters, the gas index K1 value 21-30 of gaging hole, ton coal gas bearing capacity 19M3, inlet air pressure 0.5MPa, 3 90 kilograms of improvement liquid embodiment after every hole injection the present invention is watered, administered after 8 days, beat 20 meters, effect hole, in gaging hole, gas index only has-0.3 times, ton coal gas bearing capacity 0.15M
3.
Four, on September 18th, 2010 is in certain Kuang Cai mono-district, 15 meters, 7 liquid injection hole intervals of upper air way punching, and blast injects the product embodiments of the present invention four after being watered, and carries out work simultaneously, records gas index Δ n in effect hole after 7 days
280-120, by verifying that beneficial effect is up to more than 90% (every protrusion-dispelling index is all below 0.3%).
Five, on the December 22nd, 2010 of 2 of one group of gate top punchings in certain exploiting field, ore deposit, 14.9 meters, the interval of Kong Yukong, 160 meters of hole depths, inject embodiment five the present invention and are watered 1127 kilograms of rear products, after 7 days, record in hole gas index from be down to-0.35M of 25-26 cubic meter
3, beneficial effect is up to more than 90%.
Six, at 150 meters of of gate top, one group, certain exploiting field, ore deposit, punch two on February 18th, 2011,15.2 meters, the interval of Kong Yukong, 149 meters of hole depths, inject embodiment six the present invention and be watered 1124 kilograms of products, after 7 days, record gas index in hole and be down to-0.41 cubic metre from 28 cubes, by the data from effect hole, sum up beneficial effect up to more than 90%, regulation effect is up to more than 90%.
Seven, at 195 meters of of gate top, one group, certain exploiting field, ore deposit, punch 2 on May 28th, 2011,15.3 meters of hole and spans, 153 meters of hole depths, inject embodiment seven the present invention and be watered 1126 kilograms of products, after 7 days, record gas index in hole and be down to-0.38 cubic metre from 25 cubic metres of zero dividing values, by checking, produce effect up to more than 90%.
Eight, on July 26th, 2011,21,041 90 meters of work planes punchings were dark in certain tunneling region, ore deposit, injected embodiment eight the present invention and were watered 1130 kilograms of products, after 7 days, record in hole gas index and be down to-3 cubic metres from 31 cubes, by effect beneficial effect up to more than 90%.
Nine, on September 16th, 2011, at certain ore deposit getting working face 11041 work plane, punch dark 155 meters, in hole, coal seam gas-bearing capacity is 21.5 cubic metres, 17 cubic metres of gas indexs, inject embodiment nine the present invention and are watered 1124 kilograms of products, record gas bearing capacity-3 cubic metre in inspection hole after 7 days, in hole, gas density 0.22%, by detection validation is efficient, reaches more than 90%.
By repeatedly site trial above, control of coalmine gas liquid of the present invention contributes to country to improve safety of coal mines producing capacity, thoroughly solves colliery coal road driving difficult, adopts the practical problem of face digging difficulty.The colliery passive improvement out-of-date methods of tradition are thoroughly changed into efficient improvement coal gas, make full use of coal gas, benefit the nation and the people.
Claims (10)
1. a control of coalmine gas liquid, is characterized in that being comprised of the raw material of following weight proportion: the water of water-soluble organic acid or acetic acid bacteria 98, sugared 3-18, saccharomycete 3-6, aforementioned three kinds of raw material gross weight several times or ten several times.
2. administer according to claim 1 liquid, it is characterized in that described water-soluble organic acid is the water-soluble organic acid that organic matter extracts or organic matter fermentation makes.
3. administer according to claim 2 liquid, it is characterized in that described water-soluble organic acid is selected from acetic acid, folic acid, oxalic acid, GLU, alanine, lactic acid, citric acid.
4. administer according to claim 1 liquid, the addition that it is characterized in that described water is aforementioned three kinds of raw material gross weight 3-12 times.
5. administer according to claim 4 liquid, it is characterized in that described water is 8-12 times of weight.
6. administer according to claim 1 liquid, it is characterized in that described sugar is 9-11 weight portion, described saccharomycete is 4 weight portions.
7. according to right with described in requiring 1 or 2 or 3 or 4 or 5 or 6, administer liquid, it is characterized in that described sugar is selected from that sugar that beet makes or beet root are pulverized sugar that slurries or corn stalk make or through the finished corn straw powder of saccharification or slurry or through the finished leaf powder of saccharification or slurry; Described water-soluble organic acid is the plant fermentation acid that plant material fermentation is made.
8. a coal mine gas control method, it is characterized in that following weight proportion: the water of water soluble organic substance acid or acetic acid bacteria 98, sugared 3-18, saccharomycete 3-6 and aforementioned three kinds of raw material gross weight several times or ten several times is mixed and made into solution, to pressure injection in the drainage holes of accomplishing fluently.
9. administer according to claim 8 method, the addition that it is characterized in that described water is 3-12 times of aforementioned three kinds of raw material gross weights; Described drainage holes is positioned at work plane lower air duct.
10. administer according to claim 9 method, it is characterized in that described sugar is 9-11 weight portion, described saccharomycete is 4 weight portions; Described pressure injection is that described solution under high pressure produces after vaporific and reinjects in coal seam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310151649.9A CN104121034A (en) | 2013-04-27 | 2013-04-27 | Coal mine gas treatment liquid and treatment method |
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| CN201310151649.9A CN104121034A (en) | 2013-04-27 | 2013-04-27 | Coal mine gas treatment liquid and treatment method |
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Cited By (3)
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| CN106499432A (en) * | 2016-11-28 | 2017-03-15 | 田成林 | Coal seam with gas mash gas harnessing method based on different preservation regions |
| CN106837406A (en) * | 2016-11-28 | 2017-06-13 | 田成林 | A kind of coal seam with gas multistage anti-reflection method |
| CN109356642A (en) * | 2018-12-12 | 2019-02-19 | 华夏泓博生物科技有限公司 | A kind of preparation method and applications of gas remover |
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Application publication date: 20141029 |