CN111721172A - Blasting blocking dust suppression device - Google Patents
Blasting blocking dust suppression device Download PDFInfo
- Publication number
- CN111721172A CN111721172A CN202010522232.9A CN202010522232A CN111721172A CN 111721172 A CN111721172 A CN 111721172A CN 202010522232 A CN202010522232 A CN 202010522232A CN 111721172 A CN111721172 A CN 111721172A
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- CN
- China
- Prior art keywords
- water
- bag
- bubble bag
- bubble
- cannon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F42D1/18—Plugs for boreholes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
Abstract
A blasting blocking dust-settling device comprises a water bubble bag body and a special tool for the water bubble bag, wherein the water bubble bag body is provided with a water injection cavity, a water injection channel closed bag layer, a section of water bubble bag, a water bag partition cavity, a high-pressure water channel, a section of water bubble bag, an end air bag and an air nozzle; the water bubble bag body of the blasting blocking dust-settling device is filled with high-pressure water, the contact area between the outer wall of the water bubble bag body and the inner wall of the blast hole is increased, and the high pressure in the water bubble bag body enables the outer wall of the water bubble bag body to be in close contact with the inner wall of the blast hole, so that the beneficial effect of replacing clay stemming to block the blast hole is achieved; the length of the water cannon bag body is increased, so that the water cannon bag can be completely suitable for the length of a cannon hole, the volume of water is increased, the range of a water curtain after blasting is enlarged, and the beneficial effect of better absorbing harmful gas and dust in blast smoke after blasting is achieved; the sectional type bubble bag body is designed, the blasting is broken in sequence instantly, the impact force generated instantly by the blasting is buffered, and the blast hole is blocked more tightly.
Description
Technical Field
The invention relates to the technical field of mine blasting devices, in particular to a device with functions of blasting blocking, sectional blocking and sectional dust fall.
Background
The blasting dust fall method in the prior art adopts a combination mode of water stemming and clay stemming, an electric detonator, an explosive, the water stemming and the clay stemming are arranged in a blasting hole in the combination mode, the water stemming is injected with water in a circular bag body to play a role of dust fall, and the clay stemming plays a role of plugging; the water stemming in the prior art is injected with water and then placed in the blast hole, the diameter of the water cannon is smaller than that of the blast hole, the water stemming does not play a role in sealing and only plays a role in dust falling, so the water stemming needs to be sealed by clay stemming; because the depth of blast hole is fixed, clay stemming shutoff distance is short, the water stemming length that really plays the dust fall effect also can not be too long, during the blasting to blast impact force do not cushion, the water curtain scope is little after the blasting, can't thoroughly absorb the harmful gas in the big gun cigarette, therefore, use clay shutoff not only work efficiency low, and the dust fall effect is not significant moreover, the dust concentration that the blasting produced exceeds standard, easily produce the explosion, moreover, clay also is natural resources, a large amount of use clay can cause the wasting of resources, destroy natural environment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a blasting blocking dust-settling device, wherein high-pressure water is filled in a bubble bag body of the blasting blocking dust-settling device, the volume of the bubble bag body is increased after the bubble bag body is expanded, the contact area between the outer wall of the bubble bag body and the inner wall of a blast hole is increased, and the high pressure in the bubble bag body enables the outer wall of the bubble bag body to be in close contact with the inner wall of the blast hole, so that the aim of blocking the blast hole by replacing clay stemming is fulfilled, and the aims of maintaining the environment and saving natural resources are fulfilled as the traditional clay stemming is replaced; the length of the water cannon bag body is increased, so that the water cannon bag can be completely suitable for the length of a cannon hole, the volume of water is increased, the range of a water curtain after blasting is enlarged, and the aim of better absorbing harmful gas and dust in blast smoke after blasting is fulfilled; the sectional type water bubble bag body is designed, the blasting moment is sequentially broken, the purposes of buffering the impact force generated at the blasting moment and tightly plugging blast holes are achieved, the water bubble bag body is sequentially broken, a water curtain can be continuously manufactured, and the purpose of absorbing harmful gas and dust in blast smoke after blasting to a greater extent is achieved; the special tool for the water bubble bag adopts a sleeve structure, a finishing channel structure of the tube body and a rubber ring structure at the end part of the tube body, and achieves the purposes of filling the water bubble bag body into the tube body in a stretching way and preventing the end part of the tube body from damaging an air bag at the end part of the water bubble bag.
The invention adopts the technical scheme that the device comprises a water bubble bag body and a special tool for the water bubble bag body, wherein the water bubble bag body is provided with a water injection cavity, a water injection channel closed bag layer, a section of water bubble bag, a water bag partition cavity, a high-pressure water channel, two sections of water bubble bags, a water bubble bag end air bag and an air nozzle, the water injection channel cavity is arranged between the water injection cavity and the section of water bubble bag, the water injection channel is communicated with the water injection cavity and the section of water bubble bag, the section of water bubble bag is provided with the water injection channel closed bag layer, the water bag partition is arranged between the section of water bubble bag and the two sections of water bubble bags, the water bag partition is provided with the high-pressure water channel, the high-pressure water channel is communicated with the inner cavities of the section of water bubble bag and the two sections of water bubble bags, the end part of the two sections of water bubble bags is connected with the water bubble bag end air, the air tap is communicated with the inner cavity of the air bag at the end part of the blister bag, the special tool for the blister bag body comprises a tube body, a rubber ring and a handle, one end of the tube body is connected with the handle, and the other end of the tube body is connected with the rubber ring so as to prevent the end part of the tube body from damaging the air bag at the end part of the blister bag;
the periphery of the pipe body of the special tool for the water bubble bag body is uniformly provided with four arranging channels for the water bubble bag body.
The using method of the invention comprises the following steps: firstly, putting a water cannon bag body without water injection into a pipe body inner cavity of a special tool for the water cannon bag body, arranging and unfolding the water cannon bag body through an arranging channel of the pipe body, then blowing air into the air bag at the end part of the water cannon bag by opening a seal cover of an air cock, then expanding the air bag at the end part of the water cannon bag, then connecting the end part of the pipe body of the special tool for the water cannon bag with the air bag at the end part of the water cannon bag, sending the water cannon bag body without water injection into a blast hole by the special tool for the water cannon bag, expanding the air bag at the end part of the water cannon bag in the blast hole and propping against explosive, connecting a water injection cavity on the water cannon bag body with a high-pressure water gun, injecting high-pressure water into the water cannon bag body, enabling the high-pressure water to enter a section of the water cannon bag body through a water injection channel of the water injection cavity and a water injection channel of the, the high-pressure water gun is taken down, the water injection channel is sealed by the water injection channel sealing bag layer under the action of negative pressure, the hole wall of the blast hole is sealed along with the high-pressure expansion of the water bubble bag body and the expansion of the water bubble bag end air bag, the prior art stemming plugging blast hole is replaced, when the electric detonator is detonated by power supply, the explosion impact wave is prevented from leaking outside the blast hole due to the friction resistance effect of the first section of the water bubble bag, the second section of the water bubble bag and the water bubble bag end air bag and the blast hole, strong explosion pressure generates high heat energy, rocks or explosive coal are cracked, the first section of the water bubble bag end air bag, the first section of the water bubble bag and the second section of the water bubble bag are cracked in sequence instantly, and high-pressure water atomization dust fall is realized, so that the buffering effect is realized, and the best technical effects of blast hole.
Compared with the prior art, the invention has the beneficial effects that: the water bubble bag body of the blasting blocking dust-settling device is filled with high-pressure water, after the water bubble bag body expands, the volume is increased, the contact area between the outer wall of the water bubble bag body and the inner wall of a blast hole is increased, and the high pressure in the water bubble bag body enables the outer wall of the water bubble bag to be in close contact with the inner wall of the blast hole, so that the beneficial effect of replacing clay stemming to block the blast hole is achieved, and the beneficial effects of maintaining the environment and saving natural resources are achieved due to the replacement of the traditional clay stemming; the length of the water cannon bag body is increased, so that the water cannon bag can be completely suitable for the length of a cannon hole, the volume of water is increased, the range of a water curtain after blasting is enlarged, and the beneficial effect of better absorbing harmful gas and dust in blast smoke after blasting is achieved; the sectional type water bubble bag body is designed, the blasting moment is sequentially broken, the beneficial effects that the impact force generated at the blasting moment is buffered, and blast holes are tightly blocked are achieved, and the water bubble bag body is sequentially broken, so that a water curtain can be continuously manufactured, and the beneficial effect that harmful gas and dust in blast smoke after blasting can be absorbed to a greater extent is achieved; the special tool for the water bubble bag adopts a sleeve structure, the arrangement channel structure of the tube body and the rubber ring structure at the end part of the tube body, and the beneficial effects of filling the water bubble bag body into the tube body in a stretching way and preventing the end part of the tube body from damaging the air bag at the end part of the water bubble bag are achieved.
Drawings
FIG. 1 is a structural view of a bag body of the water cannon of the present invention;
FIG. 2 is a structural view of a special tool for a water cannon bag body of the invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2 according to the present invention;
the invention is further described below with reference to the accompanying drawings.
Detailed Description
The specific implementation mode of the invention is that, referring to fig. 1, the invention comprises a bubble bag body and a special tool for the bubble bag, wherein the bubble bag body is provided with a water injection cavity 1, a water injection channel cavity 2, a water injection channel 3, a water injection channel closed bag layer 4, a first-section bubble bag 5, a water bag partition cavity 6, a high-pressure water channel 7, a second-section bubble bag 8, a bubble bag end airbag 9 and an air tap 11, wherein the water injection channel cavity 2 is arranged between the water injection cavity 1 and the first-section bubble bag 5, the water injection channel 3 is communicated with the water injection cavity 1 and the first-section bubble bag 5, the water injection channel closed bag layer 4 is arranged in the first-section bubble bag 5, the water bag partition 6 is provided with the high-pressure water channel 7, the high-pressure water channel 7 is communicated with the inner cavities of the first-section bubble bag 5 and the second-section bubble bag 8, the end of the second-section bubble bag 8 is connected with the bubble bag end airbag 9, the air bag at the end part of the blister bag 9 is provided with an air tap 11, the air tap 11 is communicated with the inner cavity of the air bag at the end part of the blister bag 9, the special tool for the blister bag comprises a tube body 13, a rubber ring and a handle 12, one end of the tube body 13 is connected with the handle 11, and the other end of the tube body 13 is connected with the rubber ring 15 so as to prevent the end part of the tube body 13 from damaging the air bag at the end part of the blister bag 9;
referring to fig. 2 and 3, four arranging channels 14 for the blister bag bodies are uniformly distributed on the circumference of the tube body 13 of the special tool for blister bags.
The using method of the invention is as follows: referring to fig. 1, 2 and 3, firstly, a water cannon bag body without water injection is put into an inner cavity of a tube body 13 of a special tool for the water cannon bag, the water cannon bag body is arranged and unfolded through an arranging channel 14 of the tube body 13, at the moment, an air bag 9 at the end part of the water cannon bag and a seal cover 10 of an opening air nozzle 11 blow air into the air bag 9 at the end part of the water cannon bag, at the moment, the air bag 9 at the end part of the water cannon bag rises, at the moment, the end part of the tube body 13 of the special tool for the water cannon bag is connected with the air bag 9 at the end part of the water cannon bag and matched with the air bag 9 at the end part of the water cannon bag, the water cannon bag body without water injection is sent into a blasting hole by the special tool for the water cannon bag, the air bag 9 at the end part of the water cannon bag expands in the blasting hole and props on explosive, a water injection cavity 1 on a high-pressure water gun is connected to inject high-pressure water into the water cannon bag body, when high-pressure water is injected, a high-pressure water gun is taken down, the water injection channel 3 is sealed by the water injection channel sealing bag layer 4 under the action of negative pressure, and the water bubble bag body expands under high pressure and the water bubble bag end air bag 9 expands on the hole wall of the blast hole, so that the blast hole is sealed by stemming in the prior art, when an electric detonator is powered to detonate, the blast impact waves are prevented from leaking to the outside of the blast hole due to the friction resistance action of the first section of water bubble bag 5, the second section of water bubble bag 8 and the water bubble bag end air bag 9 of the water bubble bag body and the blast hole, strong explosion pressure generates high heat energy, rocks or coal are exploded, and firstly, the first section of water bubble bag end air bag 9, the first section of water bubble bag 5 and the second section of water bubble bag 8 are instantaneously and sequentially broken, and high-pressure water atomization dust fall is realized, so that the buffering effect is generated, and the;
the water bubble bag body can be manufactured into two or three, four or more water bubble bag bodies according to the length of the blast hole, and the water bubble bag body has better buffering, blocking and dust-settling effects.
Compared with the traditional clay stemming plugging, the invention has the following experimental effects:
firstly, experiment time: year 2019, day 10 and day 17 (same team);
II, experiment site: 1. 12 layers of left two pieces of cutting holes (half coal rocks) in a first mining area of the south of the coal mine;
2. belt descending (whole rock) in the second mining area in the north of the coal mine;
thirdly, experimental effects:
1. working face data detection after semi-coal rock blasting
2. Working face data detection after full rock blasting
Fourthly, conclusion:
experimental result shows, this blasting blocking dust device fungible clay stemming shutoff on the driving face of trying, can effectual reduction working face dust concentration, gas concentrations such as carbon monoxide concentration, carbon dioxide concentration, this blasting blocking dust device blasting back has obvious inhibitory action to smog.
Claims (3)
1. The utility model provides a blasting blocks dust device, includes the bubble bag body and bubble bag body specialized tool, has water injection chamber, water injection passageway sealed bag layer, one section bubble bag, water bag to cut off chamber, high pressure water channel, two-stage process bubble bag, bubble bag tip gasbag and air cock, characterized by on the bubble bag body: the water injection bag is characterized in that a water injection channel cavity is formed between the water injection cavity and one section of the water bubble bag, the water injection channel is communicated with the water injection cavity and the one section of the water bubble bag, a water injection channel sealing bag layer is arranged in the one section of the water bubble bag, a water bag partition is arranged between the one section of the water bubble bag and the two sections of the water bubble bag, a high-pressure water channel is arranged in the water bag partition, the high-pressure water channel is communicated with the inner cavities of the one section of the water bubble bag and the two sections of the water bubble bag, the end part of the two sections of the water bubble bag is connected with the end part air bag of the water bubble bag, an air nozzle is arranged on the end part air bag of the water bubble bag and is communicated with the inner cavity of the end part air bag of the water bubble bag, the special tool for the water bubble bag comprises a pipe body, a rubber ring and a handle, one end part of the pipe body.
2. The blasting blocking dust settling device of claim 1, wherein: the periphery of the pipe body of the special tool for the water bubble bag body is uniformly provided with four arranging channels for the water bubble bag body.
3. The blasting blocking dust settling device of claim 1, wherein: the using method of the invention comprises the following steps: firstly, putting a water cannon bag body without water injection into a pipe body inner cavity of a special tool for the water cannon bag body, arranging and unfolding the water cannon bag body through an arranging channel of the pipe body, then blowing air into the air bag at the end part of the water cannon bag by opening a seal cover of an air cock, then expanding the air bag at the end part of the water cannon bag, then connecting the end part of the pipe body of the special tool for the water cannon bag with the air bag at the end part of the water cannon bag, sending the water cannon bag body without water injection into a blast hole by the special tool for the water cannon bag, expanding the air bag at the end part of the water cannon bag in the blast hole and propping against explosive, connecting a water injection cavity on the water cannon bag body with a high-pressure water gun, injecting high-pressure water into the water cannon bag body, enabling the high-pressure water to enter a section of the water cannon bag body through a water injection channel of the water injection cavity and a water injection channel of the, the high-pressure water gun is taken down, the water injection channel is sealed by the water injection channel sealing bag layer under the action of negative pressure, the hole wall of the blast hole is sealed along with the high-pressure expansion of the water bubble bag body and the expansion of the water bubble bag end air bag, the prior art stemming plugging blast hole is replaced, when the electric detonator is detonated by power supply, the explosion impact wave is prevented from leaking outside the blast hole due to the friction resistance effect of the first section of the water bubble bag, the second section of the water bubble bag and the water bubble bag end air bag and the blast hole, strong explosion pressure generates high heat energy, rocks or explosive coal are cracked, the first section of the water bubble bag end air bag, the first section of the water bubble bag and the second section of the water bubble bag are cracked in sequence instantly, and high-pressure water atomization dust fall is realized, so that the buffering effect is realized, and the best technical effects of blast hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522232.9A CN111721172A (en) | 2020-06-10 | 2020-06-10 | Blasting blocking dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522232.9A CN111721172A (en) | 2020-06-10 | 2020-06-10 | Blasting blocking dust suppression device |
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| Publication Number | Publication Date |
|---|---|
| CN111721172A true CN111721172A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010522232.9A Pending CN111721172A (en) | 2020-06-10 | 2020-06-10 | Blasting blocking dust suppression device |
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| CN (1) | CN111721172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183642A (en) * | 2022-07-19 | 2022-10-14 | 陕煤集团神木红柳林矿业有限公司 | Instantaneous spalling ware hole sealing device and installation device |
-
2020
- 2020-06-10 CN CN202010522232.9A patent/CN111721172A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183642A (en) * | 2022-07-19 | 2022-10-14 | 陕煤集团神木红柳林矿业有限公司 | Instantaneous spalling ware hole sealing device and installation device |
| CN115183642B (en) * | 2022-07-19 | 2023-10-20 | 陕煤集团神木红柳林矿业有限公司 | Instantaneous spalling ware hole sealing device |
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