CN220230306U - Multistage liquid oxygen danger stone blasting device falls - Google Patents
Multistage liquid oxygen danger stone blasting device falls Download PDFInfo
- Publication number
- CN220230306U CN220230306U CN202321796728.0U CN202321796728U CN220230306U CN 220230306 U CN220230306 U CN 220230306U CN 202321796728 U CN202321796728 U CN 202321796728U CN 220230306 U CN220230306 U CN 220230306U
- Authority
- CN
- China
- Prior art keywords
- liquid oxygen
- sound absorption
- oxygen storage
- blasting
- storage chamber
- Prior art date
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000005422 blasting Methods 0.000 title claims abstract description 41
- 239000004575 stone Substances 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims description 35
- 230000009467 reduction Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 11
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 5
- 239000000378 calcium silicate Substances 0.000 claims description 5
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a multistage liquid oxygen danger stone blasting device of making an uproar falls, includes the main part, and the inside of main part is equipped with liquid oxygen storage chamber, and the one end in liquid oxygen storage chamber is equipped with the fuze, and the other end in liquid oxygen storage chamber is equipped with the delay fuze, and the outside in liquid oxygen storage chamber middle part is overlapped and is had the multilayer device of making an uproar that falls, is equipped with the exhaust hole between the multilayer device of making an uproar that falls, forms multistage structure through the connector connection between a plurality of main parts; the method comprises the steps of compressing oxygen into liquid and injecting the liquid into a liquid oxygen storage cavity, connecting a plurality of main bodies through connectors to form a multistage structure, placing the liquid oxygen storage cavity at a blasting point, sending blasting signals to a fuze through an exploder, heating the fuze to enable the liquid oxygen in the liquid oxygen storage cavity to be changed into oxygen, generating high-pressure gas jet to blast dangerous stones, delaying the fuze to start heating under the influence of high pressure generated by the phase change, and enabling a second main body to blast the rest dangerous stones; the utility model has the advantages of high blasting efficiency, small noise, good environmental protection effect and low manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of slope dangerous stone removal, in particular to a noise-reduction multistage liquid oxygen dangerous stone blasting device.
Background
In the process of tunnel construction, partial dangerous stones can exist on the slope surface, and the removal of the dangerous stones on the slope surface is important in order to avoid loss caused by sliding of the dangerous stones due to factors such as geological movement and the like.
The gas blasting is a method commonly used at present, and liquid gas is utilized to quickly gasify and expand when heated and release enough blasting energy to cause rock mass to break, so that the method has the advantages of small pollution and simple working procedures, and is widely applied to mine development, tunnel excavation and oil-gas construction processes at present, but the existing gas blasting technology has the defects of low blasting efficiency, high noise and the like, and when encountering larger rock mass, the method generally needs to be blasted for multiple times, consumes labor and has high cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the noise-reducing multistage liquid oxygen dangerous stone blasting device, which is used for blasting by changing liquid oxygen in a liquid oxygen storage cavity into air pressure generated by oxygen, reducing noise during blasting by the multilayer noise-reducing device and connecting a plurality of main bodies through connectors to form a multistage structure.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a multistage liquid oxygen danger stone blasting device of making an uproar falls, includes main part 1, the inside of main part 1 vertically is equipped with liquid oxygen storage chamber 4, exhaust hole 8 has transversely been seted up at the middle part of main part 1, the outside parcel of exhaust hole 8 has noise reduction device 6, the one end in liquid oxygen storage chamber 4 is equipped with fuse 3, the other end in liquid oxygen storage chamber 4 is equipped with delay fuse 5.
The main bodies 1 are sequentially and longitudinally connected through connectors 7 to form a multistage blasting structure.
The noise reduction device 6 comprises a porous sound absorption partition plate 6-1 positioned at the innermost layer, wherein the outer layer of the porous sound absorption partition plate 6-1 is wrapped with a longitudinal sound absorption structure 6-2, and the outer layer of the longitudinal sound absorption structure 6-2 is wrapped with a transverse sound absorption structure 6-3.
One end of a first body 1-1 of the plurality of bodies 1 is provided with a lifting lever 2.
One end of the exhaust hole 8 is communicated with the inner cavity of the liquid oxygen storage cavity 4, and the other end is communicated with the outside air.
The longitudinal sound absorption structure 6-2 and the transverse sound absorption structure 6-3 are made of sound absorption cotton, and the porous sound absorption partition plate 6-1 is made of calcium silicate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the plurality of main bodies 1 are connected through the connector 7 to form a multi-stage blasting structure, so that multiple blasting can be completed under one detonation operation, and the blasting efficiency is improved.
2. The noise reduction device 6 is arranged, so that noise generated during blasting is reduced.
3. The utility model performs blasting by changing the phase of the liquid oxygen stored in the liquid oxygen storage cavity 4 into the energy generated by the oxygen, and does not generate chemical reaction and environmental pollution during blasting, thereby having the advantage of good environmental protection effect.
4. The utility model uses the sound absorption cotton as the material of the sound absorption structure 6-2 and the transverse sound absorption structure 6-3, and uses the calcium silicate as the material of the porous sound absorption partition plate 6-1, and the manufacturing modes of the two materials are simple, so that the manufacturing cost of the utility model is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural diagram of a noise reduction device according to the present utility model.
In the figure, 1, a main body, 1-1, a first main body, 1-2, a second main body, 2, a lifting rod, 3, a fuze, 4, a liquid oxygen storage cavity, 5, a delay fuze, 6, a noise reduction device, 6-1, a porous sound absorption partition board, 6-2, a longitudinal sound absorption structure, 6-3, a transverse sound absorption structure, 7, a connector, 8 and an exhaust hole.
Detailed Description
The structural and operational principles of the present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a noise-reducing multistage liquid oxygen dangerous stone blasting device comprises a main body 1, wherein a liquid oxygen storage cavity 4 is longitudinally arranged in the main body 1 and is used for storing liquid oxygen for blasting operation; the middle part of main part 1 transversely has seted up exhaust hole 8, the outside parcel of exhaust hole 8 has noise reduction device 6, the one end of liquid oxygen storage chamber 4 is equipped with fuse 3, thereby the initiating signal that the fuse 3 accessible external initiator sent intensifies to make the liquid oxygen phase transition in the liquid oxygen storage chamber 4 become oxygen, the other end of liquid oxygen storage chamber 4 is equipped with delay fuse 5.
The main bodies 1 are sequentially and longitudinally connected through the connector 7 to form a multistage blasting structure, so that multiple blasting can be completed under one-time detonation operation, and the blasting efficiency is improved.
Referring to fig. 2, the noise reduction device 6 includes a porous sound absorption partition 6-1 positioned at the innermost layer, the outer layer of the porous sound absorption partition 6-1 is wrapped with a longitudinal sound absorption structure 6-2, and the outer layer of the longitudinal sound absorption structure 6-2 is wrapped with a transverse sound absorption structure 6-3, so that noise generated during blasting is reduced through the noise reduction device 6.
One end of a first body 1-1 of the plurality of bodies 1 is provided with a pulling rod 2, and when a new blasting point needs to be replaced, the utility model can be pulled out from the old blasting point through the pulling rod 2.
One end of the exhaust hole 8 is communicated with the inner cavity of the liquid oxygen storage cavity 4, the other end of the exhaust hole is communicated with the outside air, and an external compressor can be used for compressing oxygen into a liquid state, and liquid oxygen is filled into the liquid oxygen storage cavity 4 through the exhaust hole 8.
The longitudinal sound absorption structure 6-2 and the transverse sound absorption structure 6-3 are made of sound absorption cotton, the porous sound absorption partition plate 6-1 is made of calcium silicate, the calcium silicate is high in material density and good in sound insulation effect, and the manufacturing modes of the two materials are simple, so that the manufacturing cost of the sound absorption structure is reduced.
The utility model utilizes the energy generated by volume expansion when the liquid oxygen in the liquid oxygen storage cavity 4 changes into oxygen to carry out explosion, so that chemical reaction and environmental pollution can not be generated during the explosion, and the utility model is beneficial to environmental protection.
Referring to fig. 1, the working principle of the present utility model is:
the method comprises the steps of utilizing a drilling machine to vertically drill holes at a blasting point, utilizing a compressor to compress oxygen into liquid and injecting the liquid into a liquid oxygen storage cavity 4, connecting a plurality of main bodies 1 through a connector 7 to form a multi-stage structure, placing the method into the blasting point, utilizing an external detonator to send a blasting signal to a fuze 3, heating the fuze 3 to enable the liquid oxygen in the liquid oxygen storage cavity 4 in a first main body 1-1 to change into oxygen, expanding the volume to 860 times, generating high-pressure gas jet to blast dangerous stones, delaying the fuze 5 to start heating due to the influence of the pressure of the fuze 5 caused by the liquid oxygen change, then enabling a second main body 1-2 to blast the rest dangerous stones in the same way as the first main body 1-1, and so on, and sequentially completing dangerous stone blasting by the multi-stage main bodies.
Claims (6)
1. The utility model provides a multistage liquid oxygen danger stone blasting device of making an uproar falls, its characterized in that, including main part (1), the inside of main part (1) vertically is equipped with liquid oxygen storage chamber (4), exhaust hole (8) have transversely been seted up at the middle part of main part (1), the outside parcel of exhaust hole (8) has noise reduction device (6), the one end in liquid oxygen storage chamber (4) is equipped with fuse (3), the other end in liquid oxygen storage chamber (4) is equipped with delay fuse (5).
2. The noise-reducing multistage liquid oxygen dangerous stone blasting device according to claim 1, wherein the plurality of main bodies (1) are sequentially and longitudinally connected through connectors (7) to form a multistage blasting structure.
3. The noise reduction multistage liquid oxygen dangerous stone blasting device according to claim 1, wherein the noise reduction device (6) comprises a porous sound absorption partition plate (6-1) positioned at the innermost layer, a longitudinal sound absorption structure (6-2) is wrapped on the outer layer of the porous sound absorption partition plate (6-1), and a transverse sound absorption structure (6-3) is wrapped on the outer layer of the longitudinal sound absorption structure (6-2).
4. A noise-reducing multistage liquid oxygen cristobalite blasting device according to claim 1 or 2, wherein one end of a first body (1-1) of the plurality of bodies (1) is provided with a lifting lever (2).
5. The noise-reducing multistage liquid oxygen dangerous stone blasting device according to claim 1, wherein one end of the exhaust hole (8) is communicated with the inner cavity of the liquid oxygen storage cavity (4), and the other end of the exhaust hole is communicated with the outside air.
6. A noise reduction multistage liquid oxygen dangerous stone blasting device according to claim 3, wherein the longitudinal sound absorption structure (6-2) and the transverse sound absorption structure (6-3) are made of sound absorption cotton, and the porous sound absorption partition plate (6-1) is made of calcium silicate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321796728.0U CN220230306U (en) | 2023-07-10 | 2023-07-10 | Multistage liquid oxygen danger stone blasting device falls |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321796728.0U CN220230306U (en) | 2023-07-10 | 2023-07-10 | Multistage liquid oxygen danger stone blasting device falls |
Publications (1)
Publication Number | Publication Date |
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CN220230306U true CN220230306U (en) | 2023-12-22 |
Family
ID=89195870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321796728.0U Active CN220230306U (en) | 2023-07-10 | 2023-07-10 | Multistage liquid oxygen danger stone blasting device falls |
Country Status (1)
Country | Link |
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CN (1) | CN220230306U (en) |
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2023
- 2023-07-10 CN CN202321796728.0U patent/CN220230306U/en active Active
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