CN117606314A - Special inflation detonation connecting piece for biomass fuel rock breaking device - Google Patents

Special inflation detonation connecting piece for biomass fuel rock breaking device Download PDF

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Publication number
CN117606314A
CN117606314A CN202311796338.8A CN202311796338A CN117606314A CN 117606314 A CN117606314 A CN 117606314A CN 202311796338 A CN202311796338 A CN 202311796338A CN 117606314 A CN117606314 A CN 117606314A
Authority
CN
China
Prior art keywords
rock breaking
inflation
breaking device
screw
biomass
Prior art date
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.)
Pending
Application number
CN202311796338.8A
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Chinese (zh)
Inventor
马宏昊
张西良
何�泽
杨海涛
王鲁庆
陈子俊
沈兆武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Institute Of Mining Research Blasting Engineering Co ltd
University of Science and Technology of China USTC
Original Assignee
Maanshan Institute Of Mining Research Blasting Engineering Co ltd
University of Science and Technology of China USTC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maanshan Institute Of Mining Research Blasting Engineering Co ltd, University of Science and Technology of China USTC filed Critical Maanshan Institute Of Mining Research Blasting Engineering Co ltd
Priority to CN202311796338.8A priority Critical patent/CN117606314A/en
Publication of CN117606314A publication Critical patent/CN117606314A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • F42D3/04Particular applications of blasting techniques for rock blasting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The invention relates to the field of energy exploitation, in particular to an inflatable detonation connecting piece special for a biomass fuel rock breaking device, which comprises an inflatable screw, a one-way valve or a check valve, an inflatable tube, a sealing screw and an ignition device, wherein the inflatable screw, the one-way valve or the check valve is arranged at the inflatable end of the inflatable tube in a threaded or quick plug mode, and the sealing screw and the ignition device are arranged at the air outlet end of the inflatable tube in a threaded or quick plug mode. The detonation connecting piece can be used for deep hole inflation, high-pressure sealing and detonation of the biomass rock breaking device, can realize rapid filling of oxygen in the biomass rock breaking device, can maintain higher pressure in the rock breaking device after filling, solves the technical problem of connection of oxygenation of the biomass rock breaking device, and has the advantages of simple preparation, convenient operation, flexible use, low cost, high safety and convenient popularization and use.

Description

Special inflation detonation connecting piece for biomass fuel rock breaking device
Technical Field
The invention relates to the field of energy exploitation, in particular to an inflatable detonation connecting piece special for a biomass fuel rock breaking device.
Background
The explosive as one kind of high energy material has wide application in city construction, energy exploitation and other fields. But the problems of secondary disasters of explosives and environmental pollution are difficult to solve. Therefore, the green blasting technique becomes an important component of engineering blasting.
The biomass fuel rock breaking is a novel non-explosive rock breaking technology and has the advantages of safety, high efficiency, economy and environmental protection. The biomass fuel rock breaking device consists of a rock breaking pipe filled with biomass fuel, an oxygenation connecting piece and oxygen production equipment. When the oxygen-enriched biomass fuel filling device is used, oxygen in oxygen-enriched equipment is required to be filled into the rock breaking pipe filled with biomass fuel through the oxygenation connecting piece. And after filling, the detonation is realized through the detonation wire of the oxygenation connector joint. At present, no special inflation initiation connecting piece for a biomass fuel rock breaking device exists, so that multiple purposes of quick connection, sealing of a biomass rock breaking pipe, oxygenation, ignition and the like are achieved.
Disclosure of Invention
The invention provides an inflatable detonation connecting piece special for a biomass fuel rock breaking device, which aims to solve the problems of sealing, oxygenation and detonation of the biomass fuel rock breaking device, simultaneously meets the safety of transportation and on-site assembly of the biomass rock breaking device, and meets various functions of sealing, inflation, ignition and the like of the rock breaking device.
The invention is realized by the following scheme:
the utility model provides a special detonation connecting piece that aerifys of broken rock device of biomass fuel, includes inflation screw, check valve or check valve, gas tube, sealing screw, ignition, inflation screw, check valve or check valve install the gas-filled end at the gas tube, sealing screw, ignition install the end of giving vent to anger at the gas tube.
Furthermore, the inflation tube adopts an aluminum tube with the inner diameter of 4-6mm or other high-toughness metal tubes and high-strength plastic tubes, so that the assembly is convenient, the oxygen filling is realized, and the damage of the inflation tube in the process of filling the blast hole is reduced.
Further, a through hole is formed in the inflation screw, and the inflation pipe penetrates through the through hole and is fixedly connected with the one-way valve or the check valve; two through holes are formed in the sealing screw, and the inflation tube and the detonating cord respectively penetrate through the two through holes. When the biomass rock breaking device is used, the sealing screw is fixedly connected with the biomass rock breaking pipe, is connected with a pipeline connected with the oxygen making equipment through the one-way valve or the check valve, and is filled with high-pressure oxygen through the gas charging pipe, and the sealing of the high-pressure oxygen is maintained by the one-way valve or the check valve and the biomass rock breaking device. The one-way valve or the check valve should be able to withstand a pressure of not less than 5 MPa.
Further, the inflation screw is connected with the inflation pipe, the inflation screw is connected with the one-way valve or the check valve, the sealing screw is connected with the inflation pipe, the sealing screw is connected with the ignition head, and the sealing screw is connected with the biomass rock breaking device in a threaded manner, a quick plug manner and the like, so that the processing and the on-site assembly are facilitated.
Further, the connection parts of the inflation screw and the inflation pipe, the inflation screw and the one-way valve or the check valve, the sealing screw and the inflation pipe, the sealing screw and the ignition head, the sealing screw and the biomass rock breaking device adopt the modes of gaskets, glue seals, raw material belts and the like to realize the sealing of the biomass fuel rock breaking device.
Further, for a plurality of blasting holes, the method of connecting the inflation tubes in series is adopted to realize simultaneous inflation, and a delay device is adopted to realize delay initiation of the whole blasting network.
The invention has the following beneficial effects:
(1) The special detonation connecting piece can realize rapid filling of oxygen in the biomass rock breaking device, can maintain higher pressure in the rock breaking device after filling, and solves the technical problem of connection of oxygenation of the biomass rock breaking device;
(2) The special inflatable detonation connecting piece is easy to prepare, convenient to assemble and convenient to assemble on site, simultaneously meets the multiple purposes of sealing, inflating, igniting and the like of the biomass rock breaking device, is convenient to operate, flexible to use, low in cost, high in safety and convenient to popularize and use.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a use state of an inflatable detonation connecting piece special for a biomass fuel rock breaking device according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an inflatable detonation connecting piece special for a biomass fuel rock breaking device according to an embodiment of the invention.
In the figure: 1-rock stratum, 2-biomass fuel rock breaking device main body, 3-biomass fuel, 4-high-pressure oxygen, 5-special inflation detonation connecting piece of biomass fuel rock breaking device, 6-ignition head, 7-sealing screw, 8-inflation pipe, 9-inflation screw, 10-check valve or check valve.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
As shown in fig. 2, the special inflation initiation connecting piece 5 for the biomass fuel rock breaking device of the embodiment of the invention comprises a sealing screw 7, an inflation screw 9, a one-way valve or check valve 10, an ignition head 6 and an inflation tube 8, wherein the inflation screw 9 and the one-way valve or check valve 10 are arranged at the inflation end of the inflation tube 8 in a threaded or quick plug manner, the sealing screw 7 and the ignition head 6 are arranged at the air outlet end of the inflation tube 8 in a threaded or quick plug manner, and the filling and the restraint of the high-pressure oxygen 4 in the whole blast hole are realized by utilizing the one-way valve or check valve 10 and the strong restraint of the rock breaking tube so as to maintain the high pressure in the biomass fuel rock breaking device 2. In specific implementation, as shown in fig. 2, two ends of the air charging pipe 8 are respectively connected with the sealing screw 7 and the air charging screw 9, and the ignition head 6 is connected with the sealing screw 7, and a gasket and/or glue seal and/or raw material are adopted at the connection part to realize fixation and sealing. The one-way valve 10 is connected to the inflation screw 9 to realize the assembly of the special inflation initiation connecting piece 5 for breaking the rock by biomass fuel; the inflatable detonation connecting piece 5 is connected with the biomass rock breaking device 2 in a sealing way on the blasting site, so that the whole device is sealed; putting the rock breaking device into a blast hole and completing filling; high-pressure oxygen is filled into the device through the one-way valve; and (5) igniting to finish blasting.
Specifically, the inflation tube 8 adopts a high-toughness metal tubule with an inner diameter of 4-6 mm. The inflation screw 9 is provided with a through hole, and the inflation tube 8 passes through the through hole and is fixedly connected with the one-way valve or the check valve 10; the sealing screw 7 is provided with two through holes matched with the inflation tube 8 and the detonating cord. When the biomass rock breaking device is used, the gas charging pipe and the detonating cord respectively penetrate through the two through holes, the sealing screw is fixedly connected with the biomass rock breaking pipe, the sealing screw is connected with a pipeline connected with the oxygen generating equipment through the one-way valve or the check valve, high-pressure oxygen is charged into the biomass rock breaking device through the gas charging pipe, and the sealing of the high-pressure oxygen is maintained by the one-way valve or the check valve and the biomass rock breaking device. The one-way valve or the check valve should be able to withstand a pressure of not less than 5 MPa.
For a plurality of blasting holes, the simultaneous pressurization can be realized by adopting a serial connection method, and the delay initiation of the whole blasting network can be realized by adopting a delay device. In this example, the mass of the fine coal 2 and the pressurization of the high pressure oxygen 4 were configured based on the equivalent ratio of the complete reaction.
Example 1
Referring to FIG. 1, a field test was performed using a 2.5mm thick steel cylinder with a tube length of 6m and an inner diameter of 127mm. The whole device is cylindrical, 12kg of wood powder is filled in the device, and the filling density is about 0.15g/cm < 3 >. The biomass rock breaking device and the special detonation connector are assembled in a sealing way through threaded connection and glue sealing, so that a closed environment is formed. And placing the rock breaking device into the blast hole and completing the filling, wherein the filling height is 2m. The high-pressure oxygen with the purity of 7MPa is filled into the biomass rock breaking device through the one-way valve to be 99.9%, and the existence of the one-way valve can prevent gas leakage and maintain a high-pressure state. The whole rock breaking device is completely crushed by ignition of the ignition head, and is blasted to form a blasting funnel, and no air leakage is found in the experimental process. Experiment shows that the special inflatable detonation connecting piece for breaking the rock by using the biomass fuel can realize on-site quick connection and realize multiple functions of sealing, inflating, igniting and the like of the device, and the invention has feasibility.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.

Claims (7)

1. The utility model provides a special detonation connecting piece that aerifys of broken rock device of biomass fuel which characterized in that: comprises an air charging pipe (8), an air charging screw (9) and a one-way valve or check valve (10) which are arranged at the air charging end of the air charging pipe (8), and a sealing screw (7) and an ignition head (6) which are arranged at the air discharging end of the air charging pipe (8).
2. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: the inflation tube (8) adopts a high-toughness metal tubule with the inner diameter of 4-6 mm.
3. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: the high-pressure oxygen bottle or the oxygen generating vehicle fills high-pressure oxygen (4) into the biomass rock breaking device (2) through a one-way valve or a check valve (10), an inflation screw (9) and an inflation pipe (8), and the high-pressure oxygen is maintained to be sealed by the one-way valve or the check valve (10) and the biomass rock breaking device (2) itself.
4. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: the inflation screw (9) is provided with a through hole, and the inflation pipe (8) passes through the through hole and is fixedly connected with the one-way valve or the check valve (10); two through holes matched with the inflation tube (8) and the detonating cord are formed in the sealing screw (7).
5. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: the device is characterized in that the inflation screw (9) is connected with the inflation tube (8), the inflation screw (9) is connected with the one-way valve or the check valve (10), the sealing screw (7) is connected with the inflation tube (8), the sealing screw (7) is connected with the ignition head (6), and the sealing screw (7) is connected with the biomass rock breaking device (2) in a threaded or quick plug mode.
6. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: the sealing device is characterized in that the connection parts between the inflation screw (9) and the inflation tube (8), between the inflation screw (9) and the one-way valve or the check valve (10), between the sealing screw (7) and the inflation tube (8), between the sealing screw (7) and the ignition head (6) and between the sealing screw (7) and the biomass rock breaking device (2) are sealed by adopting gaskets and/or glue seals and/or raw material belts.
7. The special inflatable detonation connector for a biomass fuel rock breaking device as claimed in claim 1, wherein: for a plurality of blasting holes, the method of connecting the inflation tubes (8) in series is adopted to realize simultaneous inflation, and a delay device is adopted to realize delay initiation of the whole blasting network.
CN202311796338.8A 2023-12-25 2023-12-25 Special inflation detonation connecting piece for biomass fuel rock breaking device Pending CN117606314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311796338.8A CN117606314A (en) 2023-12-25 2023-12-25 Special inflation detonation connecting piece for biomass fuel rock breaking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311796338.8A CN117606314A (en) 2023-12-25 2023-12-25 Special inflation detonation connecting piece for biomass fuel rock breaking device

Publications (1)

Publication Number Publication Date
CN117606314A true CN117606314A (en) 2024-02-27

Family

ID=89959962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311796338.8A Pending CN117606314A (en) 2023-12-25 2023-12-25 Special inflation detonation connecting piece for biomass fuel rock breaking device

Country Status (1)

Country Link
CN (1) CN117606314A (en)

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