Energy-gathering water pressure blasting device
阅读说明:本技术 聚能水压***装置 (Energy-gathering water pressure blasting device ) 是由 何满潮 张权 刘冬桥 郭山 郝耐 于 2019-12-06 设计创作,主要内容包括:本公开关于一种聚能水压爆破装置,该聚能水压爆破装置包括:聚能管、炸药包、水袋与引线,聚能管呈空心筒状,所述聚能管径向相对的两侧上分别设有多个聚能孔,多个所述聚能孔沿所述聚能管的轴向延伸分布;炸药包设于所述聚能管中,所述炸药包上设有雷管;水袋设于所述聚能管内,且位于所述炸药包的两端;引线与所述雷管连接,并从所述聚能管引出。本公开提供的聚能水压爆破装置,能有效地避免发生瓦斯爆炸,对岩石造成的爆破作用更强,降低了粉尘浓度。(The present disclosure relates to an energy-collecting hydraulic pressure blasting device, which includes: the energy-gathering pipe is in a hollow cylinder shape, a plurality of energy-gathering holes are respectively arranged on two sides of the energy-gathering pipe in the radial direction, and the plurality of energy-gathering holes are distributed along the axial extension of the energy-gathering pipe; the explosive is arranged in the energy gathering pipe, and a detonator is arranged on the explosive; the water bag is arranged in the energy collecting pipe and positioned at two ends of the explosive package; and the lead is connected with the detonator and is led out from the energy gathering pipe. The energy-gathered water pressure blasting device can effectively avoid gas explosion, has stronger blasting effect on rocks, and reduces dust concentration.)
1. An energy-concentrating hydraulic blasting device, comprising:
the energy-gathering pipe is in a hollow cylinder shape, a plurality of energy-gathering holes are respectively arranged on two sides of the energy-gathering pipe in the radial direction, and the plurality of energy-gathering holes are distributed along the axial extension of the energy-gathering pipe;
the explosive charge is arranged in the energy gathering pipe, and a detonator is arranged on the explosive charge;
the water bag is arranged in the energy collecting pipe and is positioned at two ends of the explosive package;
and the lead is connected with the detonator and is led out from the energy gathering pipe.
2. The blasting apparatus of claim 1, further comprising:
and the fixing piece is arranged on the opposite energy-gathering holes on the energy-gathering pipe in a penetrating way and is used for limiting the explosive charge in the energy-gathering pipe.
3. A blasting apparatus as defined in claim 2, wherein there are at least two fixing elements passing through said shaped holes respectively corresponding to the ends of said explosive charge to define a limit for said explosive charge in the axial direction of said shaped tube.
4. The blasting apparatus of claim 1, wherein the energy focusing tube comprises two rows of energy focusing holes symmetrically disposed on opposite sides of the energy focusing tube.
5. The blasting apparatus of claim 1, wherein the number of shaped holes on both sides of the shaped tube is the same.
6. Blasting apparatus according to claim 5, wherein a plurality of the shaped holes are evenly distributed along the radial extension of the shaped tube.
7. The blasting apparatus of claim 1, wherein the shaped charges on opposite sides of the shaped charge are located in facing relationship.
8. The blasting apparatus of claim 1, wherein each of the shaped orifices is uniform in size and shape.
9. The blasting apparatus of claim 1, wherein the water bag is saline.
10. The blasting apparatus of claim 1, wherein the water bag is formed of a rubber material.
Technical Field
The utility model relates to a directional presplitting joint-cutting technical field particularly, relates to an it can water pressure blasting device to gather.
Background
The non-pillar self-lane forming is used in a plurality of mine areas in the country and is popularized in a large range. The top plate directional presplitting blasting technology is one of the core technologies of the construction method, and the top cutting is mainly carried out by adopting bidirectional energy-gathering stretching blasting at present.
When the bidirectional energy-gathering blasting is adopted, the residual part in the hollow part of the drill hole is coupled by an air medium, the produced high-temperature airflow easily causes gas explosion accidents, and the produced toxic and harmful gases (CO and NOx) are more, the dust concentration is higher, and the gas explosion accidents are not beneficial to the health of workers.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The purpose of the disclosure is to provide an energy-collecting water pressure blasting device which can effectively avoid gas explosion, has stronger blasting effect on rocks and reduces dust concentration.
According to an aspect of the present disclosure, there is provided a cumulative water pressure blasting apparatus, comprising:
the energy-gathering pipe is in a hollow cylinder shape, a plurality of energy-gathering holes are respectively arranged on two sides of the energy-gathering pipe in the radial direction, and the plurality of energy-gathering holes are distributed along the axial extension of the energy-gathering pipe;
the explosive charge is arranged in the energy gathering pipe, and a detonator is arranged on the explosive charge;
the water bag is arranged in the energy collecting pipe and is positioned at two ends of the explosive package;
and the lead is connected with the detonator and is led out from the energy gathering pipe.
In an exemplary embodiment of the present disclosure, the blasting apparatus further includes:
and the fixing piece is arranged on the opposite energy-gathering holes on the energy-gathering pipe in a penetrating way and is used for limiting the explosive charge in the energy-gathering pipe.
In an exemplary embodiment of the present disclosure, at least two fixing members are provided, which respectively pass through the energy-collecting holes corresponding to both ends of the explosive package, and form a limit for the explosive package in an axial direction of the energy-collecting pipe.
In an exemplary embodiment of the present disclosure, two rows of energy gathering holes are arranged on the energy gathering tube, and are symmetrically arranged on two sides of the energy gathering tube.
In an exemplary embodiment of the present disclosure, the number of concentrator holes on both sides of the concentrator tube is the same.
In an exemplary embodiment of the disclosure, a plurality of said shaped orifices is evenly distributed along a radial extension of said shaped tube.
In an exemplary embodiment of the present disclosure, each of the energy concentrating holes on both sides of the energy concentrating tube is positioned to face.
In an exemplary embodiment of the present disclosure, each of the shaped orifices is uniform in size and shape.
In an exemplary embodiment of the present disclosure, the water bag is saline.
In an exemplary embodiment of the present disclosure, the water bag is formed of a rubber material.
According to the energy-gathering water pressure blasting device provided by the disclosure, the water bags are arranged at the two ends of the explosive bag, and the coupling medium is water, so that the temperature of explosive gas can be absorbed, an obvious flame-extinguishing effect is achieved, and the possibility of gas explosion danger can be effectively reduced; in addition, compared with air, water is incompressible, the density is high, the flowing viscosity is high, the action intensity of the explosion shock wave excited in water is high, the time is long, the energy-gathered water pressure blasting has the air wedge function of high-pressure explosive gas and the water wedge function of high-speed jet flow in the direction of the energy-gathered hole, and therefore the damage effect on rocks is stronger.
In addition, water can absorb toxic gas, sound and vibration and wet dust, so that the quantity of harmful gas can be reduced by energy-gathered water pressure blasting, the generated noise and vibration are small, and the quantity of dust is reduced. The energy-accumulating hydraulic blasting device combines the advantages of energy-accumulating blasting and hydraulic blasting, can be directionally seamed, can save explosive, reduce dust concentration, avoid gas explosion, and simultaneously can improve the distance between adjacent energy-accumulating blasting holes and improve blasting efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
FIG. 1 is a schematic view of a concentrator tube provided in an embodiment of the present disclosure;
FIG. 2 is a side cross-sectional view of a cumulative water pressure burst device provided in accordance with an embodiment of the present disclosure;
FIG. 3 is a schematic view of a cumulative water pressure blasting apparatus provided in an embodiment of the present disclosure;
fig. 4 is a front view of a truncated roadway with roof and floor panels provided in accordance with an embodiment of the present disclosure;
fig. 5 is a top view of a truncated roadway provided in an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a cumulative water pressure burst device coupled to an initiator according to one embodiment of the present disclosure;
fig. 7 is a flowchart of a method for directional topping using energy-gathered hydraulic blasting according to an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting on the number of their objects.
The disclosed embodiments provide an energy-gathered water pressure blasting apparatus, as shown in fig. 1 and 2, including: the energy-collecting
According to the energy-gathering water pressure blasting device provided by the disclosure, the water bags are arranged at the two ends of the explosive bag, and the coupling medium is water, so that the temperature of explosive gas can be absorbed, an obvious flame-extinguishing effect is achieved, and the possibility of gas explosion danger can be effectively reduced; in addition, compared with air, water is incompressible, the density is high, the flowing viscosity is high, the action intensity of the explosion shock wave excited in water is high, the time is long, the energy-gathered water pressure blasting has the air wedge function of high-pressure explosive gas and the water wedge function of high-speed jet flow in the direction of the energy-gathered hole, and therefore the damage effect on rocks is stronger.
In addition, water can absorb toxic gas, sound and vibration and wet dust, so that the quantity of harmful gas can be reduced by energy-gathered water pressure blasting, the generated noise and vibration are small, and the quantity of dust is reduced. The energy-accumulating hydraulic blasting device combines the advantages of energy-accumulating blasting and hydraulic blasting, can be directionally seamed, can save explosive, reduce dust concentration, avoid gas explosion, and simultaneously can improve the distance between adjacent energy-accumulating blasting holes and improve blasting efficiency.
Specifically, the material of the
The number of the
Wherein, each energy-gathering
As shown in fig. 1, two rows of
Specifically, the energy-concentrating hydraulic blasting device further comprises fixing members, which are arranged on the energy-concentrating
As shown in FIG. 2, the
Specifically, the water in the
Furthermore, as shown in fig. 2, the energy-accumulating hydraulic blasting device may comprise a plurality of energy-accumulating
The present disclosure also provides a method for directional topping by energy-gathered hydraulic blasting, as shown in fig. 7, the method for directional topping includes:
s100, forming a row of slit cutting holes on the top surface of the target body to be cracked along a preset top cutting line;
s200, determining the loading amount of each slit hole and the number of the slit holes for each blasting;
step S300, arranging the energy-collecting hydraulic blasting devices in all the slotted holes, and determining the number of the energy-collecting hydraulic blasting devices in all the slotted holes according to the charge of all the slotted holes;
s400, adjusting the orientation of the energy-gathering holes on each energy-gathering pipe to enable the energy-gathering holes to face along the direction of a preset to-be-cracked surface of the target to-be-cracked body;
step S500, leading out the lead of the blasting device in each kerf hole from the kerf hole opening, and connecting the lead led out from each kerf hole opening of each blasting together in series;
and S600, sealing the slit cutting holes by using stemming.
According to the method for directionally cutting the top by adopting the energy-accumulating hydraulic blasting, the water bags are arranged at the two ends of the explosive charge in the energy-accumulating hydraulic blasting device, and the coupling medium is water, so that the temperature of explosive gas can be absorbed, the obvious flame-extinguishing effect is realized, and the possibility of gas explosion danger can be effectively reduced; in addition, compared with air, water is incompressible, the density is high, the flowing viscosity is high, the action intensity of the explosion shock wave excited in water is high, the time is long, the energy-gathered water pressure blasting has the air wedge function of high-pressure explosive gas and the water wedge function of high-speed jet flow in the direction of the energy-gathered hole, and therefore the damage effect on rocks is stronger.
In addition, water can absorb toxic gas, sound and vibration and wet dust, so that the quantity of harmful gas can be reduced by energy-gathered water pressure blasting, the generated noise and vibration are small, and the quantity of dust is reduced. The energy-accumulating hydraulic blasting device combines the advantages of energy-accumulating blasting and hydraulic blasting, can be directionally seamed, can save explosive, reduce dust concentration, avoid gas explosion, and simultaneously can improve the distance between adjacent energy-accumulating blasting holes and improve blasting efficiency.
Next, the steps of the method of directional topping using energy-gathered hydraulic blasting in the present exemplary embodiment will be further described.
In step S100, a row of kerf holes is formed along a preset kerf line on the top surface of the target to-be-cracked body.
Specifically, as shown in fig. 4 and 5, a roof cutting line is determined on the
The kerf drilling holes are positioned above the roadway and close to the coal seam side of the working face, the circle center connecting lines of the openings of the kerf holes 70 are straight lines, and the depth, the angle and the distance of the drilling holes are determined by specific geological conditions. Specifically, the distance between the drilled holes is determined according to the hardness of the
Wherein the depth of the
In step S200, the charge per slit hole and the number of slit holes per shot are determined.
Specifically, the charge amount of the
In step S300, the energy-gathered hydraulic blasting devices are disposed in the slotted holes, and the number of the energy-gathered hydraulic blasting devices in each slotted hole is determined according to the loading of each slotted hole.
Specifically, the explosive amount of the slit holes 70 is determined according to the area size of the top-cutting part of the target roadway roof and the explosive force required by the top-cutting area, and the explosive amount of the explosive in each energy-collecting hydraulic blasting device is a fixed value, so that the required number of the energy-collecting hydraulic blasting devices can be obtained according to the total explosive amount required in each
In step S400, the orientation of the energy-gathering holes on each energy-gathering tube is adjusted to make the energy-gathering holes oriented along the direction of the preset fracture surface of the target fracture object.
Specifically, as shown in fig. 6, after the slit holes 70 are formed, the slit holes 70 are filled with one
In step S500, the lead wires of the blasting device in each slit hole are led out from the slit hole openings, and the lead wires led out from the slit hole openings for each blasting are connected in series.
Specifically, the lead of the blasting device in each
In step 600, stemming is used to plug the slit hole.
Specifically, as shown in fig. 6, after the lead of the blasting device in each
In addition, after the
It should be noted that although the various steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that these steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
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