Excitation experiment device applied to nitrogen-oxygen liquid mixture energy storage cylinder

Abstract

The invention discloses a nitrogen-oxygen liquid mixture energy storage cylinder excitation experiment device which comprises a soil layer, a concrete filling layer, a protective outer cylinder, an energy storage cylinder, a safety upper cover and a base, the protective outer cylinder is arranged on the outer side of the energy storage cylinder, the size of the protective outer cylinder is matched with the size of the energy storage cylinder, the soil layer is arranged on the outer side of the protective outer cylinder, and the safety upper cover is arranged on the outer side of the soil layer. A concrete filling layer is arranged between the soil layer and the protective outer cylinder, a safety upper cover is arranged at one end of the protective outer cylinder, and the size of the safety upper cover is matched with that of the protective outer cylinder; an ignition element in the energy storage cylinder is connected with an exciter, a sensor is arranged on the energy storage cylinder and connected with a computer through a sensor lead, the exciter works to excite the energy storage cylinder, and the sensor detects pressure signals. The device can meet the excitation experiment requirement of the nitrogen-oxygen liquid mixture energy storage cylinder, has high protection performance, meets the protection requirement of the experiment, and has high stability through the protection outer cylinder and the concrete filling layer.

Description

Technical Field

[0001] The invention relates to an experimental device for exciting an energy storage cylinder of a nitrogen-oxygen liquid mixture, and belongs to the field of rock breaking. Background Art

[0002] Nitrogen-oxygen mixed phase change gas rock breaking is a new technology, which is increasingly being used in mining and other related rock excavation construction. The basic principle is to use a mixture of liquid nitrogen and liquid oxygen to stimulate phase change under certain conditions, instantly gasify and expand to do work, and achieve rock cracking, crushing and stripping in mining or rock excavation construction. However, there is currently no relevant research and report on the excitation of liquid gas energy and the rock breaking mechanism. In addition, factors such as the type of combustibles inside the energy storage cylinder, the oxygen content of the nitrogen-oxygen liquid mixture, and the amount of liquid filling are all related to the combustion rate and degree of combustion of the energy storage cylinder. The combustion state of the combustibles directly affects the release of heat and the phase change process and volume of the liquid gas in the energy storage cylinder, which ultimately affects the rock breaking ability of the energy storage cylinder. There is a lack of a safe, reliable and economical experimental device. Summary of the invention

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides an experimental device for the excitation of a nitrogen-oxygen liquid mixture energy storage cylinder, which has strong protection performance and meets the protection requirements of the experiment. Through the protective outer cylinder and the concrete filling layer, it is ensured that the energy storage cylinder meets the experimental requirements and has high stability.

[0004] Technical solution: To solve the above technical problems, the present invention provides an experimental device for excitation of a nitrogen-oxygen liquid mixture energy storage cylinder, comprising a soil layer, a concrete filling layer, a protective outer cylinder, an energy storage cylinder, a safety cover and a base. A protective outer cylinder is provided on the outside of the energy storage cylinder, and the size of the protective outer cylinder is matched with the size of the energy storage cylinder. A soil layer is provided on the outside of the protective outer cylinder, and a concrete filling layer is provided between the soil layer and the protective outer cylinder. A safety cover is provided at one end of the protective outer cylinder, and the size of the safety cover is matched with the size of the protective outer cylinder. A plurality of fixing nails are provided on the safety cover, and reinforcement rings are provided at the connection between the plurality of fixing nails and the protective outer cylinder, and the size of the plurality of reinforcement rings is matched with the size of the fixing nails. The ignition element in the energy storage cylinder is connected with an igniter, and a sensor is provided on the energy storage cylinder, and the sensor is connected to a computer through a sensor lead. When the igniter works, the energy storage cylinder is excited, and the sensor detects a pressure signal.

[0005] Preferably, two bases are provided on the outer side of the protective outer tube, the two bases are symmetrically arranged relative to the protective outer tube, both bases are provided with mounting plates, and the two mounting plates are provided with a plurality of reinforcing nails.

[0006] Preferably, support plates are provided on the two bases near the mounting plates, and protective plates are provided on the ends of the two support plates away from the bases, and the size of the protective plates is adapted to the distance between the two support plates.

[0007] Preferably, the protective plate is provided with multiple fixing seats, the multiple fixing seats are symmetrically arranged relative to the protective plate, weight blocks are provided between the multiple fixing seats, the sizes of the multiple weight blocks are adapted to the spacing between the fixing seats, and fixing columns are provided at the connections between the multiple weight blocks and the fixing plate.

[0008] Preferably, the energy storage cylinder includes a biomass molded combustible device, a plastic shell, and an exhaust pipe. The biomass molded combustible device is installed in the plastic shell, an ignition element connected to an external igniter is provided in the biomass molded combustible device, and an exhaust pipe is provided between the plastic shell and the biomass molded combustible device.

[0009] Preferably, the biomass molding combustible device comprises several combustible units, a diverter and a cover plate, the combustible units are stacked in sequence, a blocked first groove is provided at the upper end of the combustible unit, several first through holes are provided in the circumference of the combustible unit, an annular groove connected to the first through hole is provided at the upper end of the combustible unit, the annular groove is connected to the first groove through a cross-shaped second groove, a first inclined hole connecting the first groove and the first through hole is provided on the combustible unit, and the diverter is located on the uppermost combustible unit.

[0010] Preferably, the diverter is provided with an injection port, and a cavity is provided below the injection port, and the cavity is connected with the first groove and the first through hole through the second through hole.

[0011] Preferably, the biomass combustible raw material is one or more of peanut shells, rice husks or straws.

[0012] Preferably, the depth of the first groove is 1 / 3-1 / 2 of the thickness of the combustible unit.

[0013] Beneficial effects: The device for the excitation experiment of the nitrogen-oxygen liquid mixture energy storage cylinder of the present invention can meet the needs of the excitation experiment of the nitrogen-oxygen liquid mixture energy storage cylinder, and has strong protective performance to meet the protection needs of the experiment. Through the protective outer cylinder and the concrete filling layer, it has a high stability performance. Through the weight block and the fixed column, it is ensured that the fixing seat has a certain stability performance. Through the mounting plate and the reinforcing nails, it is ensured that the base has a high stability performance; the peanut shells, rice husks or straws used in biomass combustibles are typical waste resources commonly found in rural areas. The effective use of these environmentally friendly materials can not only turn waste into treasure, but also greatly reduce the cost of combustibles in the energy storage cylinder, which is conducive to the promotion and application of gas rock breaking technology; the biomass forming combustible device in the energy storage cylinder of the present invention solves the problems of incomplete combustion of combustibles and uneven energy release caused by the uneven dispersion of nitrogen-oxygen liquid mixture in combustibles, which is conducive to improving the energy utilization efficiency of rock breaking and improving the rock breaking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the top view of the structure of the present invention; Figure 4 It is a structural schematic diagram of the combustible unit in the present invention; Figure 5 It is a cross-sectional schematic diagram of the combustible unit and the diverter in the present invention; Figure 6 It is a cross-sectional schematic diagram of the energy storage cylinder. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] like Figures 1 to 6As shown, a device for exciting an energy storage cylinder of a nitrogen-oxygen liquid mixture includes a soil layer 1, a concrete filling layer 2, a protective outer cylinder 3, an energy storage cylinder 4, a safety cover 5 and a base 6. The outer side of the energy storage cylinder 4 is provided with a protective outer cylinder 3, and the size of the protective outer cylinder 3 matches the size of the energy storage cylinder 4. The outer side of the protective outer cylinder 3 is provided with a soil layer 1, and a concrete filling layer 2 is provided between the soil layer 1 and the protective outer cylinder 3. One end of the protective outer cylinder 3 is provided with a safety cover 5, and the size of the safety cover 5 matches the size of the protective outer cylinder 3. The safety cover 5 is provided with a plurality of fixing nails 7, and the connection between the plurality of fixing nails 7 and the protective outer cylinder 3 is provided with a reinforcement ring, and the size of the plurality of reinforcement rings matches the size of the fixing nails 7. The ignition element in the energy storage cylinder is connected to the igniter, and the energy storage cylinder is provided with a sensor, which is connected to the computer through the sensor lead. When the igniter works, the energy storage cylinder is excited, and the sensor detects the pressure signal.

[0018] In this embodiment, two bases 6 are provided on the outer side of the protective outer tube 3 . The two bases 6 are symmetrically arranged relative to the protective outer tube 3 . A mounting plate 8 is provided on each of the two bases 6 . A plurality of reinforcing nails 9 are provided on the two mounting plates 8 .

[0019] In this embodiment, support plates 10 are provided on the two bases 6 near the mounting plates 8 , and protective plates 11 are provided on the ends of the two support plates 10 away from the base 6 . The size of the protective plates 11 is adapted to the distance between the two support plates 10 .

[0020] In this embodiment, a plurality of fixing seats 12 are provided on the protective plate 11, and the plurality of fixing seats 12 are symmetrically arranged relative to the protective plate 11. Weight blocks 13 are provided between the plurality of fixing seats 12. The sizes of the plurality of weight blocks 13 are adapted to the spacing between the fixing seats 12, and fixing columns 14 are provided at the connections between the plurality of weight blocks 13 and the fixing plate.

[0021] In the present invention, the biomass molding combustible device includes a plurality of combustible units 94, a diverter 93 and a cover plate, the combustible units 94 are stacked in sequence, a first blocked groove 97 is provided at the upper end of the combustible unit 94, a plurality of first through holes 96 are provided circumferentially of the combustible unit 94, an annular groove 99 connected to the first through hole is provided at the upper end of the combustible unit 94, the annular groove 99 is connected to the first groove 97 through a cross-shaped second groove 910, a first inclined hole 5 connecting the first groove 97 and the first through hole 96 is provided on the combustible unit 94, the diverter 93 is located on the uppermost combustible unit 94, and by arranging the first groove, the annular groove, the first inclined hole and the first through hole, the combustible unit can be fully infiltrated with the nitrogen-oxygen liquid mixture, and the nitrogen-oxygen liquid mixture in the combustible unit 94 can be evenly infiltrated.

[0022] In the present invention, the diverter 93 is provided with an injection port, and a cavity is provided below the injection port. The cavity is connected with the first groove 97 and the first through hole 96 through the second through hole. The nitrogen-oxygen liquid mixture is uniformly input into the first groove 97 and the first through hole 96 through the diverter 93.

[0023] In the present invention, the biomass combustible raw material is one or more of peanut shells, rice husks or straw. The raw material is sliced, crushed, impurity-removed, refined, screened, mixed, softened, tempered, extruded, dried, cooled and other processes to finally obtain a molded environmentally friendly combustible device. The depth of the first groove 97 is 1 / 3-1 / 2 of the thickness of the combustible unit 94.

[0024] like Figure 4 As shown, an energy storage cylinder includes a plastic shell 98, in which the above-mentioned biomass molding combustible device is installed, an ignition element connected to an external igniter 92 is provided in the biomass molding combustible device, and an exhaust pipe 91 is provided between the plastic shell 8 and the biomass molding combustible device.

[0025] Working principle: The staff puts the protective outer cylinder 3 and the energy storage cylinder 4 firmly through the concrete filling layer 2, and then installs the safety cover 5 and the protective outer cylinder 3 tightly through the fixing nails 7, and then installs the base 6 and the mounting plate 8 at the designated position through the reinforcing nails 9. A plurality of weight blocks 13 are provided on the protective plate 11. After the preparation is completed, the nitrogen and oxygen liquid mixture is poured into the energy storage cylinder, and the external exciter 92 is started to complete the rock breaking experiment. The design of the entire experimental device comprehensively considers the requirements of experimental testing and safety protection issues to avoid danger during the experiment.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An experimental device for exciting a nitrogen-oxygen liquid mixture energy storage cylinder, characterized in that: It includes a soil layer, a concrete filling layer, a protective outer cylinder, an energy storage cylinder, a safety cover and a base. A protective outer cylinder is provided on the outside of the energy storage cylinder, and the size of the protective outer cylinder is matched with the size of the energy storage cylinder. A soil layer is provided on the outside of the protective outer cylinder, and a concrete filling layer is provided between the soil layer and the protective outer cylinder. A safety cover is provided at one end of the protective outer cylinder, and the size of the safety cover is matched with the size of the protective outer cylinder. A plurality of fixing nails are provided on the safety cover, and reinforcement rings are provided at the connections between the plurality of fixing nails and the protective outer cylinder, and the sizes of the plurality of reinforcement rings are matched with the sizes of the fixing nails.

2. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 1 is characterized in that: Two bases are arranged on the outer side of the protective outer cylinder, and the two bases are symmetrically arranged relative to the protective outer cylinder. Both bases are provided with mounting plates, and the two mounting plates are provided with a plurality of reinforcing nails.

3. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 2 is characterized in that: A support plate is provided at a position close to the mounting plate on the two bases, and a protective plate is provided at one end of the two support plates away from the base, and the size of the protective plate is adapted to the distance between the two support plates.

4. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 3 is characterized in that: The protective plate is provided with a plurality of fixing seats, which are symmetrically arranged relative to the protective plate, and weight blocks are provided between the plurality of fixing seats. The sizes of the plurality of weight blocks are adapted to the spacing between the fixing seats, and fixing columns are provided at the connections between the plurality of weight blocks and the fixing plate.

5. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 1 is characterized in that: The energy storage cylinder includes a biomass molded combustible device, a plastic shell, and an exhaust pipe. The biomass molded combustible device is installed in the plastic shell, an ignition element connected to an external igniter is provided in the biomass molded combustible device, and an exhaust pipe is provided between the plastic shell and the biomass molded combustible device.

6. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 5 is characterized in that: The biomass molding combustible device comprises a plurality of combustible units, a diverter and a cover plate, wherein the combustible units are stacked in sequence, a first blocked groove is provided at the upper end of the combustible unit, a plurality of first through holes are provided in the circumferential direction of the combustible unit, an annular groove connected to the first through hole is provided at the upper end of the combustible unit, the annular groove is connected to the first groove via a cross-shaped second groove, a first inclined hole connecting the first groove and the first through hole is provided on the combustible unit, and the diverter is located on the uppermost combustible unit.

7. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 6 is characterized in that: The diverter is provided with an injection port, and a cavity is provided below the injection port. The cavity is connected with the first groove and the first through hole through the second through hole.

8. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 6 is characterized in that: The biomass combustible raw material is one or more of peanut shells, rice husks or straws.

9. The device for exciting the nitrogen-oxygen liquid mixture energy storage cylinder according to claim 6 is characterized in that: The depth of the first groove is 1 / 3-1 / 2 of the thickness of the combustible unit.

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