CN-224215963-U - Flexible liquefied air energy storage rock breaking device filled in hole

CN224215963UCN 224215963 UCN224215963 UCN 224215963UCN-224215963-U

Abstract

The utility model provides a flexible liquefied air energy storage rock breaking device filled in a hole, which relates to the technical field of rock breaking devices and comprises a liquid injection pipe, an exploder and a plurality of adsorption filling components, wherein the flexible air energy storage device also comprises a flexible energy storage pipe which is axially bendable in a non-blasting state, the flexible energy storage pipe is a strip-shaped bag body with one end closed and the other end open, and in the preferred scheme, the exploder comprises an exploder head and an ignition bridge wire. Through the cooperation between the above-mentioned structure, compare with prior art, firstly, the device can assemble on the spot to it can refill liquefied air after being put into the blasthole, and it has the advantage that the security is high, secondly, this broken rock device adopts flexible accumulator tube as liquefied air container, and its portability is high, and flexible accumulator tube makes things convenient for the scene to tailor, thirdly, the absorption filling subassembly of this broken rock device includes filling box and adsorption material, and the filling box can support flexible accumulator tube, makes things convenient for liquefied air to pour into in the flexible accumulator tube.

Inventors

LIU SHANGGE
HUANG XIMING
SUN QI
LIU QIAN
SUN HAIMING
YU YING
TAN KAIYAN
LAN GUOYUAN
Ai chan
LUO CHUJUN

Assignees

中国葛洲坝集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250418

Claims (10)

1. The utility model provides a flexible liquefied air energy storage broken rock device of downthehole filling, includes notes liquid pipe (2), detonators and a plurality of absorption filling component, its characterized in that still includes flexible energy storage pipe (1) that the axial is flexible under non-blasting state, and flexible energy storage pipe (1) are the rectangular bag body of one end closure one end open-ended.
2. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 1, wherein the exploder comprises an exploder head (3) and an ignition bridge wire (31), the exploder head (3) is connected with an exploding control wire, and the exploder head (3) is positioned at the opening end of the flexible energy storage tube (1); The ignition bridge wire (31) is a resistance metal wire, one end of the ignition bridge wire (31) is electrically connected with the detonation head (3), and the other end of the ignition bridge wire extends into the flexible energy storage tube (1) along the axial direction of the liquid injection tube (2).
3. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 2 is characterized by further comprising an annular connecting plate (9), wherein the cross section of the annular connecting plate (9) is of an I-shaped annular structure, an annular clamping groove is formed in the inner side of the annular connecting plate, and the outer walls of the detonation head (3) and the liquid injection pipe (2) are embedded in the middle position of the annular connecting plate (9); The outer side wall of the annular connecting plate (9) and the opening end of the flexible energy storage tube (1) form an interference fit sealing surface, a fixed adhesive tape (6) is arranged on the outer side of the opening end of the flexible energy storage tube (1), and the opening end of the flexible energy storage tube (1) is bound and fixed on an annular clamping groove of the annular connecting plate (9) in a spiral winding mode through the fixed adhesive tape (6).
4. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 1, wherein each adsorption filling assembly comprises a filling box (4), the filling box (4) is of a hollow cylindrical structure penetrating axially, a fixed cylinder (43) is coaxially arranged in the filling box (4), and an annular cavity is formed between the fixed cylinder (43) and the inner wall of the filling box (4); The fixing cylinder body (43) is of a cylindrical structure, two ends of the fixing cylinder body (43) penetrate through and extend to openings at two ends of the filling box (4) to form serial holes which are penetrated axially, and the filling box (4) and the fixing cylinder body (43) are made of paperboard; The filling box (4) is filled with adsorption materials (5) for dispersing and adsorbing liquefied air, and the adsorption materials (5) are distributed in the annular cavity between the fixed cylinder (43) and the inner wall of the filling box (4).
5. The flexible liquefied air energy storage rock breaking device filled in the holes according to claim 4, wherein the adsorption material (5) is a porous medium material.
6. The flexible liquefied air energy storage rock breaking device filled in the hole according to any one of claims 4 or 5, wherein the plurality of filling boxes (4) are all arranged in the flexible energy storage tube (1) and are sequentially and coaxially arranged in the flexible energy storage tube (1) along the axial direction of the liquid injection tube (2); the outer wall of the filling box (4) is abutted with the inner wall of the flexible energy storage tube (1) to form a radial supporting structure in a bendable columnar shape.
7. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 6, wherein the filling box (4) comprises a lower shell (41) and a cover body (42), the lower shell (41) is of a cylindrical hollow structure, and a filling opening is formed in the upper end of the lower shell (41); The cover body (42) is of a disc-shaped structure capable of being opened and closed, the cover body (42) covers the filling opening of the lower shell (41), and an upper position avoiding hole is formed in the center of the cover body (42); The upper end of the fixed cylinder body (43) passes through an upper avoidance hole on the cover body (42), a lower avoidance hole is arranged at the bottom of the filling box (4), and the upper avoidance hole, the lower avoidance hole and the serial holes are coaxially arranged to form a coaxial penetration channel.
8. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 7, wherein a plurality of overflow holes (44) are distributed on the outer wall of the filling box (4) and the fixed cylinder (43).
9. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 4, wherein the liquid injection pipe (2) penetrates into the flexible energy storage pipe (1) along the axial direction, the upper end of the liquid injection pipe (2) extends out of the opening end of the flexible energy storage pipe (1) and is provided with an injection joint (21), the injection joint (21) is further provided with a sealing cover, and the lower end of the liquid injection pipe (2) penetrates through the serial holes of the plurality of filling boxes (4) and extends to the inner side of the sealing end of the flexible energy storage pipe (1).
10. The flexible liquefied air energy storage rock breaking device filled in the hole according to claim 9, wherein the lower end of the liquid injection pipe (2) is sleeved with a limiting cap (22), and the outer diameter of the limiting cap (22) is larger than the inner diameter of the serial hole.

Description

Flexible liquefied air energy storage rock breaking device filled in hole Technical Field The utility model relates to the technical field of rock breaking devices, in particular to a flexible liquefied air energy storage rock breaking device filled in a hole. Background The liquefied air rock breaking technology is a method for quickly gasifying and expanding liquefied air by compressing and cooling the air to be liquid, injecting the compressed air into a special rock breaking device, filling the compressed air into a pre-opened blast hole, and heating the liquefied air by using an excitation device to cause rock breaking. In actual operation, according to different field geological conditions, the blasting holes with different depths are required to be drilled, the holes are filled with liquefied air rock breaking devices with corresponding specifications, and the container length is prefabricated according to the blasting hole depths. When the liquefied air is adopted for breaking the rock, drilling and blasting are required according to the geological conditions of the site, in the blasting process, the blastholes with different depths are required to be drilled at different positions, in order to improve the blasting efficiency, the blastholes with different depths are required to be filled with liquefied air breaking devices with different specifications, the sizes of the required breaking devices are larger, the lengths of the deeper breaking holes can reach 10m, the corresponding breaking devices also need to grow up to 10m, the conventional liquefied air breaking devices are usually prefabricated members with standard sizes, the flexibility is poor during use, and a large number of prefabricated liquefied air breaking devices have great risks in transportation, so that the prefabricated liquefied air breaking devices are difficult to meet the requirements of the blastholes with different depths, and the devices with different specifications are required to be stored in a large number, so that the cost is high and the efficiency is low. Therefore, in order to increase the popularity of the liquefied air rock breaking device, a flexible liquefied air energy storage rock breaking device which is flexible to use, can be used for on-site liquid injection and can be quickly assembled is needed. Disclosure of utility model Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the flexible liquefied air energy storage rock breaking device filled in the hole, which can quickly adjust the length according to the requirements and can be used for injecting liquid and quickly assembling on site. In order to solve the technical problems, the utility model provides the flexible liquefied air energy storage rock breaking device filled in the hole, which comprises a liquid injection pipe, an exploder and a plurality of adsorption filling components, and further comprises a flexible energy storage pipe which is axially bendable in a non-blasting state, wherein the flexible energy storage pipe is a strip-shaped bag body with one end closed and one end open. In the preferred scheme, the exploder comprises an exploding head and an ignition bridge wire, wherein an exploding control wire is connected to the exploding head, and the exploding head is positioned at the opening end of the flexible energy storage tube; the ignition bridge wire is a resistance metal wire, one end of the ignition bridge wire is electrically connected with the detonation head, and the other end of the ignition bridge wire extends into the flexible energy storage tube along the axial direction of the liquid injection tube. In the preferred scheme, an annular connecting plate is also arranged, the cross section of the annular connecting plate is in an I-shaped annular structure, an annular clamping groove is formed in the inner side of the annular connecting plate, and the outer walls of the detonation head and the liquid injection pipe are embedded in the middle position of the annular connecting plate; The outer side wall of the annular connecting plate and the opening end of the flexible energy storage tube form an interference fit sealing surface, a fixed adhesive tape is arranged on the outer side of the opening end of the flexible energy storage tube, and the opening end of the flexible energy storage tube is bound and fixed on an annular clamping groove of the annular connecting plate in a spiral winding mode through the fixed adhesive tape. In the preferred scheme, each adsorption filling assembly comprises a filling box, the filling box is of a hollow cylindrical structure which is axially penetrated, a fixed cylinder body is coaxially arranged in the filling box, and an annular cavity is formed between the fixed cylinder body and the inner wall of the filling box; The fixed cylinder is of a cylindrical structure, two ends of the fixed cylinder penetrate through and extend to openin