CN114136165B - High-efficiency synchronous elimination method for CO product in blasting operation - Google Patents
High-efficiency synchronous elimination method for CO product in blasting operation Download PDFInfo
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- CN114136165B CN114136165B CN202111533270.5A CN202111533270A CN114136165B CN 114136165 B CN114136165 B CN 114136165B CN 202111533270 A CN202111533270 A CN 202111533270A CN 114136165 B CN114136165 B CN 114136165B
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- 238000005422 blasting Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008030 elimination Effects 0.000 title claims abstract description 24
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 66
- 239000002360 explosive Substances 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 8
- 150000004706 metal oxides Chemical class 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
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- 239000002699 waste material Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/10—Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure
-
- 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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- Analytical Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Catching Or Destruction (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a high-efficiency synchronous elimination method of CO products in blasting operation, which is characterized in that high-temperature CO eliminator powder and explosive are arranged in a blast hole together, blasting shock waves enable the eliminator powder bag to be broken, high-concentration dust cloud is rapidly formed in the blast hole, and the CO is rapidly eliminated after blasting by utilizing the physical and chemical adsorption effect of CO molecules on the surface of the eliminator powder. The method comprises the following steps: preparing an eliminator, bagging after high-temperature activation of the eliminator, moving a explosive cartridge to a specified position of a blast hole, installing a detonator, leading out a detonator wire from the blast hole, arranging the eliminator in a filling mode after the explosive cartridge and before a hole sealing agent, and finally sealing tightly by using the hole sealing agent to prevent punching. The method is simple and convenient, the flow is simple, the material cost is low, and the high-temperature CO catalyst is combined with underground blasting operation, so that CO generated after the blasting operation is effectively eliminated, and the damage of CO to blasting personnel is prevented.
Description
Technical Field
The invention relates to the technical field of toxic gas purification, in particular to a method for efficiently and synchronously eliminating CO products in blasting operation.
Background
The underground CO overrun of the coal mine seriously threatens the health and safety of staff, CO is colorless, odorless and colorless extremely toxic gas, and is extremely easy to combine with hemoglobin in human blood to form carboxyhemoglobin, and when the concentration of CO in the environment exceeds 100ppm, discomfort such as dizziness, hypodynamia and the like can be produced on the human body; when the CO concentration exceeds 600ppm, choking death is caused in a short period of time. In order to avoid the occurrence of casualties caused by CO poisoning in the underground, the maximum allowable concentration of CO in the underground air is clearly specified as 24ppm in the coal mine safety regulations. At present, some mines have the characteristic of high rock hardness, the development roadway generally adopts a blasting mode, but a large amount of CO toxic gas can be generated in the blasting process, thereby easily causing mine CO overrun accidents and even threatening the life safety of operators. The method is extremely important for efficiently and quickly resolving CO gas generated in blasting of the tunneling surface.
The current methods for purifying CO mainly comprise an adsorption method, a cryogenic method, a catalytic oxidation method and the like. The adsorbent is difficult to use on a large scale due to the limitations of easy oxidization, poor adsorption effect under normal temperature and normal pressure, difficult recycling and the like; cryogenic processes liquefy and then purify CO, which limits the applicability of such processes due to excessive cost. Both are unsuitable for CO gas abatement after an underground blasting operation. The catalytic oxidation method is widely applied to CO purification, and the CO is oxidized into carbon dioxide by utilizing the catalyst for catalytic oxidation of the CO, so that the cost is low, the effect is good and the use method is simple. Therefore, the research on the method for efficiently and synchronously eliminating the CO in the blasting operation has great significance to society.
Disclosure of Invention
Technical problems: the invention aims to overcome the problem of rapid CO elimination after blasting, and provides a high-efficiency synchronous CO product elimination method for blasting operation, which realizes the elimination of CO after blasting operation and finally prevents CO from damaging blasting personnel.
The technical scheme is as follows: in order to achieve the above purpose, the invention provides a method for efficiently and synchronously eliminating CO products in blasting operation, which comprises the following steps: the high-temperature CO eliminator powder and the explosive are arranged in the blast hole together, and the shock wave tears the eliminator powder bag during blasting to quickly form high-concentration eliminator dust cloud in the blast hole, and CO is oxidized into carbon dioxide by utilizing the physical and chemical adsorption of the eliminator powder to CO, so that the quick elimination of CO after blasting is realized, and the method comprises the following steps:
grinding the prepared large-particle eliminator into fine powder by manual grinding or mechanical grinding by a grinder, and then activating at high temperature in a dry environment;
step b, loading the activated eliminator powder into a cylindrical eliminator powder bag, wherein the diameter and the length of the cylindrical eliminator powder bag are set according to the CO elimination requirement after the actual blasting operation;
step c, adopting a drill bit to blast the blastholes with the section, constructing the number of blastholes according to the blasting operation requirement, and then checking all the blastholes to determine whether the hole depths, the distances and the row pitches of all the blastholes accord with the regulations, and the blastholes exceeding the regulations are regarded as waste holes;
step d, determining the explosive loading quantity of each hole to load the explosive into the blast hole according to the design unit consumption, the surrounding environment and the rock condition of each hole, adopting a powder feeding rod to feed the explosive to a designated position of the blast hole, and placing a double-initiation blasting cap at the bottom of the blast hole;
step e, conveying the eliminating agent powder bags filled with the eliminating agent powder into the blast holes by using a medicine conveying rod, arranging the explosive cartridges and the eliminating agent powder bags in the blast holes in a filling mode after the explosive cartridges and before the hole sealing agent, and arranging the explosive cartridges and the eliminating agent powder bags in sequence from inside to outside;
f, sealing the blast hole by adopting a hole sealing agent, ensuring the tight sealing of the blast hole and avoiding punching;
and g, after the sealing is finished, starting to lay explosive detonating circuit, and detonating after network connection is finished.
In the step a, the eliminator is a single metal oxide or two or more composite metal oxides in copper, manganese, aluminum or cobalt, and is prepared by a hydrothermal method.
In the step a, the high-temperature activation temperature of the eliminator in a dry environment is 200-300 ℃, and the activation time is more than 0.5 h.
In the step a, the eliminator is ground manually or mechanically by a grinder, and is screened by a 120-target quasi-sample sieve, and the grain size of the eliminator powder is more than 120 meshes.
In the step b, the material of the eliminator powder bag is flame-retardant and high-temperature-resistant material, and the diameter and the length of the cylindrical bag-shaped eliminator powder bag are set according to the CO elimination requirement after the actual blasting operation.
In the step e, secondary or tertiary permissible explosive rolls are adopted as explosive rolls, and mining millisecond detonators suitable for blasting operations such as underground full-section primary blasting and fractional blasting of the coal mine are adopted as detonators.
In the step d, the adopted medicine delivery rod comprises a rod body consisting of a medicine delivery end and a hand-held end, wherein the medicine delivery end is in a semicircular shape, the length of the semicircular rod body is 1-1.5m, the hand-held end is in a solid cylinder shape, the length of the solid cylinder-shaped rod body is 2-3m, the diameter of the medicine delivery rod is 26-36mm, and the outer wall of the lower part of the medicine delivery end of the medicine delivery rod is coated with lubricating oil, so that the medicine can be conveniently moved and conveyed to a specified position in a blast hole.
The beneficial effects are that: by adopting the technical scheme, the invention innovatively applies the high-temperature CO remover to CO removal after underground blasting operation, overcomes the defects that the noble metal remover is easy to poison and inactivate and is easy to sinter at high temperature, breaks through the difficult problem that a large amount of CO toxic gas is generated in underground blasting operation, and improves the working efficiency while removing the CO toxic gas. The method is suitable for various coal mining and rock blasting scenes. The method meets the actual requirement of CO elimination after mine blasting, fills the blank of the post-blasting CO elimination technology, is safe and efficient, is free from external electrical equipment, can greatly reduce CO concentration, improves the working environment of the mine, and has wide practicability. Compared with the prior art, the method has the main advantages that:
1) The high-temperature CO eliminator has simple preparation process and lower cost, and solves the problems of high Wen Yishao knot deactivation and the like of the original noble metal eliminator;
2) Filling the explosive and the CO remover powder bag, and synchronously removing CO generated by blasting from an explosion source on the premise of ensuring the blasting effect;
3) The use of electrical equipment is avoided, the operation is simple, and the dangerous hidden danger generated by the electrical equipment and the like is avoided; the CO elimination effect is obvious, and the experiment result shows that after the technology is applied, the concentration of CO in the return air flow after blasting is reduced to 53ppm, and the blasting CO elimination rate can reach more than 80%.
Drawings
FIG. 1 is a schematic diagram of an overall process for efficient synchronous elimination of CO products in blasting operations of the present invention;
FIG. 2 is a schematic view of the structure of section A-A in FIG. 1;
FIG. 3 is a schematic view of the structure of section B-B in FIG. 1;
fig. 4 is an application effect diagram of the present invention.
In the figure: 1-charging protective sleeve, 2-explosive cartridge, 3-sealing cover, 4-coal mine allowable detonating cord, 5-detonating detonator, 6-eliminator powder bag, 7-eliminator charging tube, 8-explosive feeding rod, 9-hole sealing agent and 10-blast hole.
Detailed Description
The invention is further described below with reference to examples of embodiments in the accompanying drawings:
as shown in fig. 1, in the method for efficiently and synchronously eliminating CO products in blasting operation, high-temperature CO eliminator powder and explosive are arranged in a blast hole 10, an eliminator powder bag 6 is broken under the impact of shock waves in blasting, the eliminator in the eliminator powder bag 6 rapidly forms high-concentration dust cloud in the blast hole 10, and the physical and chemical adsorption of the eliminator powder on CO is utilized to oxidize the CO into carbon dioxide so as to realize the rapid elimination of CO after blasting; the method comprises the following specific steps:
grinding the prepared large-particle eliminator into fine powder by manual grinding or mechanical grinding by a grinder, and then activating at high temperature in a dry environment; the said scavenger is prepared by hydrothermal method, the main component is single metal oxide or two or more composite metal oxides in copper, manganese, aluminum or cobalt; the scavenger needs to be activated in a high-temperature environment, the activation temperature is 200-300 ℃, and the activation time is more than 0.5 h; the grinding of the eliminator adopts manual grinding or mechanical grinding of a grinder, and adopts a 120-target quasi-sample sieve for screening, and the grain size of the eliminator powder is more than 120 meshes.
Step b, loading the activated eliminator powder into an eliminator powder bag 6, wherein the eliminator powder bag 6 is cylindrical, and the diameter and the length are set according to the CO elimination requirement after the actual blasting operation; the eliminator powder bag 6 is designed based on a flame-retardant high-temperature-resistant material, is cylindrical in shape and is convenient for medicament filling; the diameter and the length of the eliminator powder bag 6 are designed according to the CO elimination requirement after the actual blasting operation, and the eliminator powder bag has strong heat stability and good flame retardant property.
Step c, setting the number of blastholes 10 according to the blasting operation requirement by adopting a drill bit in blasting section blastholes in implementation of the method, checking all holes, determining whether the hole depths, the spacing, the row spacing and the like meet the regulations, and considering the blastholes as waste holes beyond the regulation range limit;
step d, determining the explosive loading quantity of each hole according to the design unit consumption, the surrounding environment and rock conditions of each hole, filling the explosive into the blast hole 10, conveying the explosive to a designated position of the blast hole 10 by using a powder conveying rod 8, and placing a double-initiation blasting cap 5 at the bottom of the blast hole; the medicine delivery rod 8 comprises a rod body consisting of a medicine delivery end and a hand-held end, wherein the medicine delivery end is semicircular, the length of the semicircular rod body is 1-1.5m, the hand-held end is solid cylindrical, the length of the solid cylindrical rod body is 2-3m, the diameter of the medicine delivery rod is 26-36mm, and the outer wall of the lower part of the medicine delivery end of the medicine delivery rod is coated with lubricating oil, so that the medicine can be conveniently moved and conveyed to a specified position in the blast hole 10.
Step e, conveying the eliminator powder bags 6 filled with the eliminator powder into the blast holes 10 by using the medicine conveying rod 8, arranging the eliminator powder bags 6 and the explosive cartridges 2 in the blast holes 10 in sequence from inside to outside after the explosive cartridges 2 and before the hole sealing agent 9 in a filling mode; the explosive cartridge 2 adopts secondary or tertiary coal mine allowable explosive, the detonating primer 5 adopts mining millisecond detonating primer, and the method is suitable for blasting operations such as underground full-section primary blasting and fractional blasting of coal mine.
Step f, sealing the blast hole 10 by adopting a hole sealing agent 9, ensuring the tight sealing of the blast hole 10 and avoiding punching;
and g, after the sealing is finished, starting to lay explosive detonating circuit, and detonating after network connection is finished.
As shown in fig. 2, the radius R of the explosive cartridge 2 is 16mm, the length is 300mm, the explosive cartridge 2 is arranged in the middle of the explosive-charging protective sleeve 1 according to sections, all the sections of explosive are tightly connected, the coal mine allowable detonating cord 4 is arranged at the lower part of the explosive-charging protective sleeve 1, and when the explosive is detonated, the explosive is detonated by the mining millisecond detonating cord 4, so that the blasting operation is realized.
As shown in fig. 3, the three suppressor powder bags 6 filled with the suppressor powder are arranged in the suppressor charging pipe 7 in a group, the three suppressor powder bags are tangent and are tangent to the suppressor charging pipe 7, the suppressor powder bags 6 are made of high-temperature resistant flame retardant materials and can bear high temperature, after blasting operation, a closed space is formed in the blast hole 10 for a short time, the suppressor powder bags 6 are broken under the action of blasting impact waves to form high-concentration suppressor dust cloud, and therefore synchronous and rapid elimination of carbon monoxide after blasting operation is realized.
Example 1: the efficient synchronous eliminating method of CO product in blasting operation includes the steps of preparing the eliminating agent with single metal oxide or two or more composite metal oxides of copper, manganese, aluminum, cobalt, etc. as main material through hydrothermal process, grinding the eliminating agent to over 120 mesh, and activating at 200-300 deg.c for 0.5 hr; and then loading the activated eliminator powder into an eliminator powder bag 6 for packaging, binding three eliminator powder bags 6 when the eliminator powder bag is used, placing the three eliminator powder bags in an eliminator loading pipe 7, tightly connecting all the sections, then conveying the eliminator loading pipe 7 into a specified position in a blast hole 10 by using a medicine conveying rod 8, sealing the blast hole 10 by using a hole sealing agent 9, finally performing blasting operation, and applying shock waves on the eliminator when blasting, forming high-concentration eliminator dust cloud in the blast hole 10, so as to finish CO digestion after blasting.
Example 2: the efficient synchronous CO product eliminating method for blasting operation is suitable for eliminating CO in daily production and emergency treatment of CO in disaster, and is used in mine site in full section with 17.8m cross section area 2 About 60kg of three-stage emulsion explosive was used each time. The maximum value of the concentration of CO in the post-blasting return air flow is up to 524ppm, the average value is 265ppm, and the regulations on the concentration of CO in the procedure are far exceeded, so that the safety production process of the coal mine is seriously affected. An eliminator powder bag is designed based on a flame-retardant high-temperature-resistant material, and is arranged at the rear end of the emulsion explosive and is plugged by a plugging material. When the explosive is detonated, the blast hole forms a high-temperature closed space in a short time; meanwhile, the eliminator powder bag is torn, and the eliminator powder forms high-concentration dust cloud in the blast hole under the action of shock waves, so that CO is quickly eliminated. After the technology is applied, the concentration of CO in the return air flow after blasting is reduced to 53ppm, the blasting CO elimination rate can reach more than 80%, and the technology is proved to be suitable for various coal mining and rock blasting scenes and can effectively eliminate CO.
Claims (2)
1. A blasting operation CO product high-efficiency synchronous elimination method is characterized in that: the high-temperature CO eliminator powder and the explosive are arranged in the blast hole together, and the shock wave tears the eliminator powder bag during blasting to quickly form high-concentration eliminator dust cloud in the blast hole, and CO is oxidized into carbon dioxide by utilizing the physical and chemical adsorption of the eliminator powder to CO, so that the quick elimination of CO after blasting is realized, and the method comprises the following steps:
grinding the prepared large-particle eliminator into fine powder by manual grinding or mechanical grinding by a grinder, and then activating at high temperature in a dry environment; the said scavenger is prepared by hydrothermal method, the main component is single metal oxide or two or more composite metal oxides in copper, manganese, aluminum or cobalt; the high-temperature activation temperature of the eliminator in a dry environment is 200-300 ℃, and the activation time is more than 0.5 h;
step b, filling the activated eliminator powder into a cylindrical eliminator powder bag, wherein the eliminator powder bag is made of a flame-retardant high-temperature-resistant material, and the diameter and the length of the cylindrical eliminator powder bag are set according to the CO elimination requirement after the actual blasting operation; the three bags of the eliminator powder bags filled with the eliminator powder are arranged in the eliminator charging pipe, are tangential to the eliminator charging pipe and are made of high-temperature resistant flame-retardant materials, so that a closed space is formed in a blast hole for a short time after blasting operation, the eliminator powder bags are broken under the action of blasting shock waves to form high-concentration eliminator dust cloud, and synchronous and rapid elimination of carbon monoxide after blasting operation is realized;
step c, adopting a drill bit to blast the blastholes with the section, constructing the number of blastholes according to the blasting operation requirement, and then checking all the blastholes to determine whether the hole depths, the distances and the row pitches of all the blastholes accord with the regulations, and the blastholes exceeding the regulations are regarded as waste holes;
step d, determining the explosive loading quantity of each hole to load the explosive into the blast hole according to the design unit consumption, the surrounding environment and the rock condition of each hole, adopting a powder feeding rod to feed the explosive to a designated position of the blast hole, and placing a double-initiation blasting cap at the bottom of the blast hole;
step e, conveying the eliminating agent powder bags filled with the eliminating agent powder into the blast holes by using a medicine conveying rod, arranging the explosive cartridges and the eliminating agent powder bags in the blast holes in a filling mode after the explosive cartridges and before the hole sealing agent, and arranging the explosive cartridges and the eliminating agent powder bags in sequence from inside to outside; the explosive cartridge adopts secondary or tertiary coal mine allowable explosive cartridges, and the blasting cap adopts mining millisecond blasting cap which is suitable for blasting operations such as coal mine underground full section primary blasting, fractional blasting and the like; the medicine delivery rod comprises a rod body consisting of a medicine delivery end and a hand-held end, wherein the medicine delivery end is in a semicircular shape, the length of the semicircular rod body is 1-1.5m, the hand-held end is in a solid cylinder shape, the length of the solid cylinder rod body is 2-3m, the diameter of the medicine delivery rod is 26-36mm, and the outer wall of the lower part of the medicine delivery end of the medicine delivery rod is coated with lubricating oil, so that the medicine can be conveniently delivered to a specified position in a blast hole;
f, sealing the blast hole by adopting a hole sealing agent, ensuring the tight sealing of the blast hole and avoiding punching;
and g, after the sealing is finished, starting to lay explosive detonating circuit, and detonating after network connection is finished.
2. The blasting operation CO product high-efficiency synchronous elimination method according to claim 1, wherein the method comprises the following steps: in the step a, the eliminator is ground manually or mechanically by a grinder, and is screened by a 120-target quasi-sample sieve, and the grain size of the eliminator powder is more than 120 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533270.5A CN114136165B (en) | 2021-12-15 | 2021-12-15 | High-efficiency synchronous elimination method for CO product in blasting operation |
Applications Claiming Priority (1)
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| CN113680207A (en) * | 2021-08-30 | 2021-11-23 | 中国矿业大学 | Gas-solid separation type automatic powder injection CO eliminating device and method |
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| CN111307007B (en) * | 2020-04-10 | 2022-03-15 | 中钢集团马鞍山矿山研究总院股份有限公司 | Charging structure for inhibiting mine blasting smoke harm |
| CN113048845A (en) * | 2021-02-05 | 2021-06-29 | 中国化工程重型机械化有限公司 | Liquid CO2Phase-change hydraulic pressure blasting cartridge |
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| CN111219190A (en) * | 2019-12-06 | 2020-06-02 | 何满潮 | Method for directional roof cutting by energy-gathered water pressure blasting |
| CN113680207A (en) * | 2021-08-30 | 2021-11-23 | 中国矿业大学 | Gas-solid separation type automatic powder injection CO eliminating device and method |
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