32results about How to "Big blasting power" patented technology

The invention provides a cold blasting method using liquid carbon dioxide in enclosed blast holes. The method comprises following steps: firstly, a blast hole is drilled in rocks to be blasted; then a hole sealing device is mounted, wherein one end, provided with an initiator, of the hole sealing device is placed into the hole and the hole sealing device is totally immerged in the hole; a high pressure liquid injection port, a carbon dioxide liquid injection port and a lead nozzle are kept outside the blasting hole in advance; the high pressure liquid injection port is connected with a high pressure liquid injection gun; the hole sealing device is injected with liquid and expands to block the blast hole; the carbon dioxide liquid injection port is connected with a liquid carbon dioxide injection pipe; quantified liquid carbon dioxide is injected to the blast hole according to blasting design requirement; initiator leads which are pre-kept at one side of the lead nozzle are connected in a parallel mode; the initiator is electrified for blasting the liquid carbon dioxide in the blasting hole to complete blasting. The blasting power of the invention is great and the initial investment and use cost for blasting are reduced; the construction is simple and convenient; the method is easy to promote.

The invention discloses an inflation and ignition integrated air blaster. The inflation and ignition integrated air blaster comprises an inner tube, an inner tube filling cavity, an inner tube inflation and ignition head, an outer tube inflation head and an outer tube, wherein the inner tube filling cavity is formed in the inner tube; the two ends of the inner tube are connected with a first sealing inner cover and a second sealing inner cover in a sealing manner correspondingly; the outer tube serves as the outer layer of the inner tube; a first sealing outer cover and a second sealing outer cover are connected between the inner tube and the outer tube in a sealing manner; the inner tube inflation and ignition head is mounted on the first sealing inner cover or the second sealing inner cover; an outer tube inflation mechanism is mounted on the first sealing outer cover or the second sealing outer cover; the sealing cavity between the inner tube and the outer tube is an outer tube filling cavity; the inner tube filling cavity is filled with supercritical oxygen and carbon-containing organic matter; and the outer tube filling cavity is filled with liquid easy-to-gasify matter such as liquid carbon dioxide and liquid nitrogen. The inflation and ignition integrated air blaster has the advantages of low manufacturing cost, high reaction material mixing uniformity, high heat release efficiency, good transport security and high blasting power.

The invention discloses an explosive loading device for holes at the periphery of a smooth blasting. The device comprises a hole blockage body and an explosive loading body; the explosive loading body is provided with energy-concentrated grooves, an energy-concentrated hole, explosive bins and partition boards; the hole blockage body is positioned at one end of the explosive loading body; the energy-concentrated grooves are circular arc-shaped, are symmetrically distributed on two sides of an axis of the side surface of the explosive loading body, and protrude towards the interior of the explosive loading body; the energy-concentrated hole adopts a V-shaped structure, positioned at one end of the explosive loading body, which is far from the hole blockage body, and is sunk towards the interior of the explosive loading body; the explosive bins are long cylinder bodies with the top surface opened and are multiple in number; the explosive bins are separated through the partition boards. The explosive loading device can achieve the aims of accurately controlling explosive loading amount, positioning blasting and saving explosive consumption.

The invention discloses an inflating type gas blasting machine. The inflating type gas blasting machine comprises an inner pipe, an inner pipe inflating conductive head, an outer pipe inflating head and an outer pipe, wherein a first sealing inner cap and a second sealing inner cap are respectively in sealing connection to two ends of the inner pipe; the outer layer of the inner pipe is the outer pipe; a first sealing outer cap and a second sealing outer cap are respectively connected between the inner pipe and the outer pipe; a sealing cavity between the inner pipe and the outer pipe is an outer pipe filling cavity; the inner pipe inflating conductive head is arranged at the shaft center part of the first sealing inner cap; a first radial air hole in the radial direction is formed in the second sealing inner cap; a second mounting cavity and an axial through hole which communicate with each other are formed in the shaft center part of the second sealing inner cap; the axial through hole penetrates through the first radial air hole; a conductive connection head is mounted in the second mounting cavity; a first radial air hole in the radial direction is formed in the second sealing outer cap; and the outer pipe inflating head is arranged on the inner side surface of the second sealing outer cap. The inflating type gas blasting machine disclosed by the invention has the advantages of being low in manufacturing cost, high in heat releasing efficiency, good in transportation safety and high in blasting power.

The invention discloses an inflation lead integral gas blasting device. The device comprises an inner pipe, an inner pipe filling cavity, an inner pipe inflation electric conducting head, an outer pipe inflation head and an outer pipe; the inner pipe filling cavity is in the inner pipe; two ends of the inner pipe are tightly connected with a first sealing inner cover and a second sealing inner cover; the outer layer of the inner pipe is the outer pipe; a first sealing outer cover and a second sealing outer cover are tightly connected between the inner pipe and the outer pipe; the inner pipe inflation electric conducting head is mounted on the first sealing inner cover or the second sealing inner cover; the outer pipe inflation head is mounted on the first sealing outer cover or the second sealing outer cover; an outer pipe filling cavity is a sealing cavity between the inner pipe and the outer pipe; an electric heating wire is mounted in the inner pipe filling cavity; supercritical oxygen and carbon-contained organic matters are filled in the inner pipe filling cavity; and such liquid-state gasified matters as liquid-state carbon dioxide or liquid-state nitrogen are filled in the outer pipe filling cavity. The inflation lead integral gas blasting device has the advantages of low production cost, high mixing uniformity of reaction materials, high heat releasing efficiency, good transportation safety and high blasting power.

The invention discloses a gas detonation device convenient to inflate. The gas detonation device comprises an inner pipe, an inner pipe filling cavity, a first inflation conductive head, a second inflation conductive head and an outer pipe. The inner pipe filling cavity is formed in the inner pipe, a first inner sealing cover and a second inner sealing cover are connected to the two ends of the inner pipe in a sealed mode correspondingly, and the outer pipe is arranged outside the inner pipe. A first outer sealing cover and a second outer sealing cover are connected between the inner pipe and the outer pipe. The inner pipe is in clearance fit with the first outer sealing cover and the second outer sealing cover, and the outer pipe is connected with the first outer sealing cover and the second outer sealing cover in a sealed mode. The first inner sealing cover and the second inner sealing cover are connected with the first outer sealing cover and the second outer sealing cover in a sealed mode correspondingly. The first inflation conductive head and the second inflation conductive head are mounted on the first inner sealing cover and the second inner sealing cover correspondingly, and an outer pipe filling cavity is located between the inner pipe and the outer pipe. The gas detonation device has the advantages of being low in manufacturing cost, high in reaction material mixing uniformity, high in heat releasing efficiency, good in transporting safety and high in detonation power.

The invention discloses an under-ice fixed-depth ice breaking bullet capable of being thrown automatically and based on a drone. The bullet comprises a bullet body, a floater, an inner end cover, an outer end cover, an explosion timer arranged in the inner end cover and a water-proof plug arranged on the outer end cover. A floater chamber matched with the floater is arranged on a lateral wall of the bullet body, the floater is arranged in the floating chamber to form a cylindrical whole body with the bullet body and fixed by a water-soluble ribbon, and the floater is connected with the bullet body through two fixed-depth ropes. Outer threads are arranged on a port of the bullet body, a flange is arranged at the open end of the inner end cover, the inner end cover is arranged at the port position of the bullet body, the outer end cover is in threaded connection with the port of the bullet body, and a sealing rubber ring is arranged between the flange of the inner end cover and the outer end cover. The bullet has the advantages of being small in size, light in weight, novel in design, simple in throwing, adjustable in delay, safe, reliable, large in explosive force, good in ice breaking effect and capable of conducting continuous throwing operation.

The invention discloses a fluid type igniter for a gas blaster, and a fracturing device. The igniter comprises a casing and a filling cavity located in the casing; the casing comprises a first sub-joint, a second sub-joint and a coupling head; the filling cavity comprises a reducing agent filling cavity and an oxidizing agent filling cavity; the reducing agent filling cavity is formed in the first sub-joint, and the oxidizing agent filling cavity is formed in the second sub-joint; two ends of the coupling head are in threaded and sealed connection with one end of the first sub-joint and one end of the second sub-joint or are seamlessly welded at one end of the first sub-joint and one end of the second sub-joint; the other end of the first sub-joint is connected with a liquid filling nozzle, and the other end of the second sub-joint is connected with an inflation mechanism; an isolation thermoplastic piece is mounted in the middle of the coupling head; and an electric heating wire is packaged in the isolation thermoplastic piece and is led out of the casing through a wire. The igniter has the advantages that the manufacturing cost is low, the reaction material mixing uniformity is high, the heat releasing efficiency is high and the transportation safety is good.

The invention discloses a fluid type gas blaster. The fluid type gas blaster comprises an inner tube, an inner tube filling cavity, an inner tube air inflation ignition head, an outer tube air inflation head, and an outer tube, wherein the inner tube filling cavity is formed in the inner tube, the two ends of the inner tube are connected to a first sealing inner cover and a second sealing inner cover respectively in a sealed mode, the outer layer of the inner tube is the outer tube, a first sealing outer cover and a second sealing outer cover are connected between the inner tube and the outer tube in a sealed mode, a sealing cavity formed by the inner tube, the outer tube, the first sealing outer cover, and the second sealing outer cover is an outer tube filling cavity, the outer tube filling cavity is filled with liquid carbon dioxide or liquid nitrogen, the inner tube filling cavity comprises a first inner cavity and a second inner cavity, the first inner cavity and the second inner cavity are separated through a thermoplastic sheet in a sealed mode, and the first inner cavity and the second inner cavity are filled with supercritical oxygen and liquid carbonaceous organic matter respectively. The fluid type gas blaster has the advantages of being low in manufacturing cost, high in reaction material mixing uniformity, high in heat releasing efficiency, good in transportation safety and large in blasting power.

The invention provides a cold blasting method using liquid carbon dioxide in enclosed blast holes. The method comprises following steps: firstly, a blast hole is drilled in rocks to be blasted; then a hole sealing device is mounted, wherein one end, provided with an initiator, of the hole sealing device is placed into the hole and the hole sealing device is totally immerged in the hole; a high pressure liquid injection port, a carbon dioxide liquid injection port and a lead nozzle are kept outside the blasting hole in advance; the high pressure liquid injection port is connected with a high pressure liquid injection gun; the hole sealing device is injected with liquid and expands to block the blast hole; the carbon dioxide liquid injection port is connected with a liquid carbon dioxide injection pipe; quantified liquid carbon dioxide is injected to the blast hole according to blasting design requirement; initiator leads which are pre-kept at one side of the lead nozzle are connected in a parallel mode; the initiator is electrified for blasting the liquid carbon dioxide in the blasting hole to complete blasting. The blasting power of the invention is great and the initial investment and use cost for blasting are reduced; the construction is simple and convenient; the method is easy to promote.

The invention discloses the application of shearing thickening liquid as blasting hole blockages, and the shearing thickening liquid completely coats or partially coats the blasting energy accumulatorin the blasting hole; the blasting process comprises the following steps of: filling shearing thickening liquid in a blasting hole, wherein the shearing thickening liquid completely coats or partially coats the blasting energy accumulator in the blasting hole; the shearing thickening liquid completely closes the blasting hole so as to completely bury the blasting energy accumulator in the blasting hole; detonating the blasting energy accumulator. According to the invention, no flying stone splashing is generated during the blasting process,, the blasting degree is deep, the blasting efficiency is high, the blasting effect is not limited by the arrangement mode of the blasting hole, and the degree of freedom of the blasting hole arrangement is greater; the blasting process does not generate strong air shock waves, does not cause damage to the surrounding environment and the staff, has small blasting noise and blasting process is safe.

The invention discloses a detonating device for a double-supercritical-gas blaster and a fracturing device. The detonating device comprises a shell and a filling cavity located in the shell. The shell comprises a first segment, a second segment and a connector. The filling cavity comprises a reductant filling cavity body and an oxidant filling cavity body, and the reductant filling cavity body and the oxidant filling cavity body are located in the first segment and the second segment respectively. The two ends of the connector are connected with one end of the first segment and one end of the second segment respectively in a thread sealing mode or a seamless welding mode, the other end of the first segment and the other end of the second segment are connected with a first gas charging mechanism and a second gas charging mechanism respectively, an isolating thermoplastic sheet is installed in the middle of the connector, and an electric heating wire is packaged in the isolating thermoplastic sheet and is led out of the shell through a lead. The detonating device has the advantages of low manufacturing cost, high reaction material mixing uniformity, high heat release efficiency and good transport safety.