CN102000495B - Antismoke agent for carbonic oxide (CO) replacement reaction and use method thereof - Google Patents

Antismoke agent for carbonic oxide (CO) replacement reaction and use method thereof Download PDF

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Publication number
CN102000495B
CN102000495B CN2010105488988A CN201010548898A CN102000495B CN 102000495 B CN102000495 B CN 102000495B CN 2010105488988 A CN2010105488988 A CN 2010105488988A CN 201010548898 A CN201010548898 A CN 201010548898A CN 102000495 B CN102000495 B CN 102000495B
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antismoke agent
borehole
explosive
antismoke
displacement reaction
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CN2010105488988A
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CN102000495A (en
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王宝国
邵轩
杨书召
王浩宇
符名祥
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The invention relates to an antismoke agent for a carbonic oxide (CO) replacement reaction and a use method thereof in the field of borehole explosion. The antismoke agent is prepared by mixing NaOH with NaHCO3 and is placed in a plastic bag with the diameter phi of 36mm and the length of 200mm for seal in the form of 150g of powder or 220g of water aqua; and 600g of explosives and a bag of the antismoke agent are filled in each shot hole, all shot holes are filled and sealed in order, and the explosives are ignited. The antismoke agent for the CO replacement reaction can be used for reducing the exploded CO content. By adopting the antismoke agent for the CO replacement reaction and the use method thereof, the generation quantity of CO and blasting fume can be lowered by more than 30% on the premise of exploding the equivalent explosive charge, thus the CO content is effectively controlled to be below 24PPm.

Description

CO displacement reaction antismoke agent and method for using thereof
[technical field]
The present invention relates to the drillhole blasting field, especially relate to a kind of CO displacement reaction antismoke agent and method for using thereof that can reduce CO content and blasting fume.
[background technology]
Known, cutting into a mountain, opening a mine, especially when underground work, need use the drillhole blasting technology, and after each explosion, all can produce a large amount of toxic and harmful CO; CO is a kind of colourless, tasteless gas, and toxicity is very big, and its concentration is the people is poisoned and fatal, therefore human body is had bigger harm; In the practical operation, press the per tour of single head driving and calculated in 8 hours at the scene, its used explosive charge is about 60kg, and the CO amount that produces with every kg explosive again is 50 liters of calculating, and the CO amount that per tour explosion production back is produced is exactly 3000 liters; In addition; Add the influence of other external factors such as geological characteristics and underworkings section around the quality of explosive, dose deviation, blow-up point; Blow out the back apart from blowing out CO content that the place in 70 meters in place records mostly about 100PPm, and the blasting fume that produces of blast back need could dissipate through about 30 minutes basically at every turn, could airborne CO content be dropped to below the 1PPm; If wind speed is little, the time that blasting fume dissipates is then longer; Though the down-hole the CO concentration of high permission below 24 PPm; Be that CO concentration is below 0.0024%; But in fact, according to existing blasting condition, the toxic and harmful CO that all down-hole drilling explosions produce; Its concentration all has the phenomenon that exceeds standard in various degree; Therefore, the CO that drillhole blasting produces can not be ignored the injury that atmospheric environment and health of operators cause, but does not also have the exceed standard effective way of phenomenon of a kind of CO that can prevent that the down-hole drilling explosion from being produced at present.
[summary of the invention]
In order to overcome the deficiency in the background technology; The invention provides a kind of CO displacement reaction antismoke agent and method for using thereof; Use described antismoke agent through described method, not only can reduce the CO content that drillhole blasting produces, and can play the effect of low-carbon environment-friendly; Thereby effectively guaranteed health of operators, reply improves the Earth's atmospheric environment and has played positive role mutually.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of CO displacement reaction antismoke agent, described antismoke agent is by NaOH and NaHCO 3Formulated, with NaOH account for 20-40%, NaHCO 3Account for 60-80% percent by volume and be mixed with pulvis; Or with NaOH, NaHCO 3With H 2O mixes, with NaOH account for 5-30%, NaHCO 3Account for 40-60%, H 2O accounts for 30-50% percentage by weight and processes aqua.
Described CO displacement reaction antismoke agent, with NaOH account for 30%, NaHCO 3Account for 70% percent by volume and be mixed with pulvis; Or with NaOH account for 10%, NaHCO 3Account for 50%, H 2O accounts for 40% percentage by weight and processes aqua.
A kind of method for using of CO displacement reaction antismoke agent:
1, described antismoke agent is pressed 150g pulvis or 220g aqua, sealing in the diameter of phi of packing into the 36mm, the polybag of long 200mm;
2, confirm the required borehole number of explosion, and load explosive that the ratio of joining one bag of said antismoke agent in every 600g explosive is then loaded described antismoke agent in borehole by the required explosive charge of each borehole; Order when borehole is loaded is in a borehole, to have loaded explosive, loads described antismoke agent again, at last with loading next borehole again behind this borehole of stemming sealing;
3, when the not enough 600g of the explosive charge loaded in the borehole, be as the criterion by loading one bag of described antismoke agent; When the explosive charge of loading in the borehole surpassed the integral multiple of 600g, except that loading in proportion, the part that explosive charge exceeds was as the criterion by joining one bag of described antismoke agent;
4, the back ignition charge that finishes is all loaded and sealed to all boreholes.
The method for using of said CO displacement reaction antismoke agent, described 600g explosive divide three joints to be filled into borehole successively, and every joint explosive weighs 200 grams, and specification is diameter 32 ㎜ * length 200 ㎜.
Because adopt aforesaid technical scheme, the present invention has following beneficial effect:
CO displacement reaction antismoke agent of the present invention and method for using thereof adopt described method to use described antismoke agent, can pass through the H that antismoke agent produces under the HTHP of explosion 2O and CO 2And the flame arrest that reaches of the Na ion that contains in the antismoke agent, press down flame; Thereby put out producing flame after the explosion timely and effectively; Simultaneously; Because the CO that described antismoke agent produces with explosion reaction has generated nontoxic material, thereby reached the purpose that reduces CO and too much blasting fume generation under the HTHP effect of explosion; Adopt described CO displacement reaction antismoke agent and method for using thereof; Can under the prerequisite of equal explosive charge explosion, reduce CO and the generation of blasting fume more than 30%; Effectively CO content has been controlled at below the 24PPm; Not only played the effect of low-carbon environment-friendly, the corresponding health of operators that guaranteed, and also played positive effect to improving the Earth's atmospheric environment.
[specific embodiment]
Can explain the present invention in more detail through following embodiment, open the object of the invention is intended to protect all variations and the improvement in the scope of the invention, and the present invention is not limited to following embodiment;
Percentage at first by volume: NaOH accounts for 20-40%, NaHCO 3Account for 60-80% and be mixed with described CO displacement reaction antismoke agent pulvis, perhaps by weight percentage: NaOH accounts for 5-30%, NaHCO 3Account for 40-60%, H 2O accounts for 30-50% and is mixed with described CO displacement reaction antismoke agent aqua; In order to reach optimum efficiency, percentage by volume: NaOH accounts for 30%, NaHCO 3Account for 70% and be mixed with described CO displacement reaction antismoke agent pulvis, perhaps by weight percentage: NaOH accounts for 10%, NaHCO 3Account for 50%, H 2O accounts for 40% and is mixed with described CO displacement reaction antismoke agent aqua;
When implementing, choose described antismoke agent pulvis 150g or aqua 220g, with its diameter of phi 36mm that packs into, sealing in the polybag of long 200mm, by the needs of explosion calculate bag number that will use, and all fill for use; Because down-hole or the underground borehole aperture that is used for explosion are 42 ㎜, and hole depth reaches more than 1.6 meters, therefore for loading more easily, explosive loaded by joint, and the specification of every joint explosive is diameter 32 ㎜ * length 200 ㎜, weighs 200 and restrains; Before the explosion, confirm the required borehole number of explosion earlier, and calculate the required explosive charge of each borehole; And calculate the antismoke agent bag number of the required filling of each borehole in the ratio that every 600g explosive is joined one bag of said antismoke agent; In a borehole, load the required explosive of this borehole then, in this borehole, load required antismoke agent again, at last with this borehole of stemming sealing; Next load next borehole again, promptly a borehole is loaded next borehole after loading and finishing again; When the not enough 600g of the explosive charge loaded in the borehole, be as the criterion by loading one bag of described antismoke agent; When the explosive charge of loading in the borehole surpasses the integral multiple of 600g, except that loading in proportion, the part that explosive charge exceeds, promptly the explosive charge part that exceeds the outer not enough 600g of the integral multiple of 600g is as the criterion by joining one bag of described antismoke agent; Safe back ignition charge is loaded and sealed to whole boreholes in that explosion needs successively, thereby reach the effect of utilizing described CO displacement reaction antismoke agent to reduce CO content after the explosion;
The chemical equation of said CO displacement reaction antismoke agent is following:
HTHP
CO+NaOH=========HCOONa
Heating
2NaHCO 3=========Na 2CO 3+H 2O+CO 2
Wherein: the CO reaction that NaOH and explosion produce generates nontoxic white powder HCOONa, effectively reduces CO content; NaHCO 3Under the high temperature action that blast produces, generate nontoxic white powder Na automatically 2CO 3And H 2O and CO 2Thereby, utilize Na ion in the antismoke agent flame arrest, press down the flame effect, reduced flame temperature and suppressed burning, reached purpose that putting out the flame that blast produces, simultaneously, utilize the H that generates 2O and CO 2Residual flame after the blast is in time put out, stoped too much blasting fume to produce, and then effectively reduced the CO generation;
Through following test data, the effect that can clearly understand the present invention and reached:
In September, 2010 blasting time CO peak-peak (ppm) Surpass the 24ppm duration (minute) Dress antismoke agent and sum (bag) in the borehole The borehole quantity of detonating (individual) Total blasting charge quantity (kg) Detect CO instrument model The monitoring point is apart from blow-up point distance (m) Borehole depth (rice) The air quantity of detection place (m3/min)
22: 05 on the 17th 51 15 Do not have 20 14 CTH1000(A) 120 1.6 200
22: 37 on the 17th 21 0 Aqua 25 20 14 CTH1000(A) 120 1.6 200
23: 10 on the 17th 20 0 Pulvis 25 20 14 CTH1000(A) 120 1.6 200
21: 55 on the 20th 20 0 Aqua 25 20 14 CTH1000(A) 120 1.6 200
22: 40 on the 20th 50 14 Do not have 20 14 CTH1000(A) 120 1.6 200
23: 18 on the 20th 19 0 Pulvis 25 20 14 CTH1000(A) 120 1.6 200
21: 50 on the 21st 20 0 Pulvis 25 20 14 CTH1000(A) 120 1.6 200
22: 30 on the 21st 19 0 Aqua 25 20 14 CTH1000(A) 120 1.6 200
23: 09 on the 21st 49 14 Do not have 20 14 CTH1000(A) 120 1.6 200
21: 51 on the 22nd 52 14 Do not have 20 14 CTH1000(A) 120 1.6 200
22: 31 on the 22nd 19 0 Pulvis 25 20 14 CTH1000(A) 120 1.6 200
23: 07 on the 22nd 19 0 Aqua 25 20 14 CTH1000(A) 120 1.6 200
Annotate:
1, used explosive is the secondary emulsion explosive for coal mine;
The borehole quantity of 2, at every turn detonating is 20, and wherein every blasting charge 600g of 15 boreholes installs 1 bag of described antismoke agent additional, and meter uses 9kg explosive and 15 bags of antismoke agents; Every blasting charge 1000g of remaining 5 boreholes installs 2 bags of described antismoke agents additional, and meter uses 5kg explosive and 10 bags of antismoke agents; Add up to and use 14kg explosive and 25 bags of antismoke agents;
3, be meant that airborne CO content after the explosion surpasses the time of 24PPm " surpass 24PPm duration " described in the form, airborne CO content is reduced to 1PPm by 24PPm also needs more than ten minute.

Claims (6)

1. CO displacement reaction antismoke agent is characterized in that: described antismoke agent is by 20-40% NaOH and 60-80% NaHCO 3By volume percentage is mixed with pulvis.
2. CO displacement reaction antismoke agent, it is characterized in that: described antismoke agent is by NaOH, NaHCO 3With H 2O mixes, the NaOH by 5-30%, 40-60% NaHCO 3With 30-50% H 2O processes aqua by weight percentage.
3. CO displacement reaction antismoke agent according to claim 1 is characterized in that: described antismoke agent is by 30% NaOH and 70% NaHCO 3By volume percentage is mixed with pulvis.
4. CO displacement reaction antismoke agent according to claim 2 is characterized in that: described antismoke agent is by 10% NaOH, 50% NaHCO 3With 40% H 2O processes aqua by weight percentage.
5. the method for using of a CO displacement reaction antismoke agent, it is characterized in that: described method for using is following:
A, choose claim 1 formulated antismoke agent pulvis 150g or claim 2 formulated antismoke agent aqua 220g, sealing in the diameter of phi of packing into the 36mm, the polybag of long 200mm;
B, confirm the required borehole number of explosion, and load explosive that the ratio of joining one bag of said antismoke agent in every 600g explosive is then loaded described antismoke agent in borehole by the required explosive charge of each borehole; Order when borehole is loaded is in a borehole, to have loaded explosive, loads described antismoke agent again, at last with loading next borehole again behind this borehole of stemming sealing;
C, when the not enough 600g of the explosive charge loaded in the borehole, be as the criterion by loading one bag of described antismoke agent; When the explosive charge of loading in the borehole surpassed the integral multiple of 600g, except that loading in proportion, the part that explosive charge exceeds was as the criterion by joining one bag of described antismoke agent;
It is safe that d, explosive and CO displacement reaction antismoke agent are loaded successively, with ignition charge behind the stemming sealing of hole.
6. the method for using of CO displacement reaction antismoke agent according to claim 5 is characterized in that: described 600g explosive divides three joints to be filled into borehole successively, and every joint explosive weighs 200 grams, and specification is diameter 32 ㎜ * length 200 ㎜.
CN2010105488988A 2010-11-18 2010-11-18 Antismoke agent for carbonic oxide (CO) replacement reaction and use method thereof Expired - Fee Related CN102000495B (en)

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CN106422768A (en) * 2016-12-22 2017-02-22 安徽理工大学 Method and device for detecting fume in explosion container
CN115355786B (en) * 2022-08-26 2024-03-08 中国矿业大学 Method for eliminating CO product by high-efficiency catalytic oxidation blasting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1031852A (en) * 1987-09-11 1989-03-22 徐州矿务局 A kind of preparation method of coal dust inhibitor used in blasting operation
CN1099126A (en) * 1993-08-15 1995-02-22 山东省招远市界河金矿 A kind of aqueous solution that is used for explosion
CN101070280A (en) * 2006-05-12 2007-11-14 李安民 Process for preparing sodium formate using carbon oxide in carbide furnace and coke furnace tail gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1031852A (en) * 1987-09-11 1989-03-22 徐州矿务局 A kind of preparation method of coal dust inhibitor used in blasting operation
CN1099126A (en) * 1993-08-15 1995-02-22 山东省招远市界河金矿 A kind of aqueous solution that is used for explosion
CN101070280A (en) * 2006-05-12 2007-11-14 李安民 Process for preparing sodium formate using carbon oxide in carbide furnace and coke furnace tail gas

Non-Patent Citations (1)

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Title
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