CN116538868A - Finite field relay amplification type excitation method for phase-changing nitrogen-oxygen liquid mixture - Google Patents
Finite field relay amplification type excitation method for phase-changing nitrogen-oxygen liquid mixture Download PDFInfo
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- CN116538868A CN116538868A CN202310702230.1A CN202310702230A CN116538868A CN 116538868 A CN116538868 A CN 116538868A CN 202310702230 A CN202310702230 A CN 202310702230A CN 116538868 A CN116538868 A CN 116538868A
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- nitrogen
- oxygen
- liquid mixture
- energy storage
- absorbent
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- 239000007788 liquid Substances 0.000 title claims abstract description 105
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000000203 mixture Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000003321 amplification Effects 0.000 title claims abstract description 18
- 230000005284 excitation Effects 0.000 title claims abstract description 18
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 56
- 230000002745 absorbent Effects 0.000 claims abstract description 50
- 239000002250 absorbent Substances 0.000 claims abstract description 50
- 238000002485 combustion reaction Methods 0.000 claims abstract description 50
- 239000011435 rock Substances 0.000 claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 238000010892 electric spark Methods 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 10
- 238000002309 gasification Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000035945 sensitivity Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 23
- 238000010304 firing Methods 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000036961 partial effect Effects 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
- F42B3/045—Hybrid systems with previously pressurised gas using blasting to increase the pressure, e.g. causing the gas to be released from its sealed container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a finite field relay amplification type excitation method for phase-changing a nitrogen-oxygen liquid mixture. The method is realized by adopting an energy storage tube, the energy storage tube consists of an absorbent, a central liquid filling tube, an exhaust tube, a flexible shell and a tube orifice sealing piece, after the absorbent in the energy storage tube arranged in a rock blast hole fully absorbs the nitrogen-oxygen liquid mixture, the absorbent can be burnt from point to line from line to line, and then from line to surface under the combustion process of liquid oxygen, the heat of severe combustion enables the nitrogen-oxygen liquid mixture remained in the energy storage tube to reach a phase transition critical point and generate finite field relay amplified phase transition, the pressure field is formed by rapid gasification expansion to act on a rock medium, and finally the rock breaking effect is achieved, and the sensitivity of liquid oxygen on actions such as open fire, electric spark, static electricity, impact and the like can be obviously reduced due to the existence of liquid nitrogen in the nitrogen-oxygen liquid mixture of the energy storage tube, so the safety of gas rock breaking construction can be greatly improved.
Description
Technical Field
The invention relates to the technical field of rock breaking, in particular to a finite field relay amplification type excitation method for enabling a nitrogen-oxygen liquid mixture to generate phase change.
Background
Currently common rock breaking methods include explosive blasting, mechanical breaking, gas breaking and the like. The explosive blasting method has the advantages of mature construction technology, high efficiency and the like, but has the problems of high risk and large powder amount and obvious adverse effects of blasting vibration, flying stones, noise and the like; the mechanical crushing method has the advantages of small vibration, less dust and the like, but has high cost and low efficiency; the gas rock breaking technology also comprises carbon dioxide fracturing rock breaking, liquid oxygen gas rock breaking, mixed gas rock breaking and the like. The technology of breaking rock by carbon dioxide fracturing has the defect of lower rock breaking efficiency, and the technology of breaking rock by liquid oxygen gas has great unsafe property because the used liquid oxygen has toxicity, strong oxidability and strong activity, and explosion accidents are easy to occur due to open fire, electric spark, static electricity, impact action and the like after the liquid oxygen is mixed with combustible substances.
The invention provides a finite field relay amplification type excitation method for enabling a nitrogen-oxygen liquid mixture to generate phase change, which consists of the nitrogen-oxygen liquid mixture, an absorbent, a firing element, a central liquid filling pipe, an exhaust pipe, a flexible shell, a firing element leg wire and a pipe orifice sealing piece. After the absorbent in the energy storage tube fully absorbs the nitrogen-oxygen liquid mixture, when the ignition element releases high-voltage electric spark, the absorbent absorbing the nitrogen-oxygen liquid mixture is firstly subjected to local severe combustion (point) under the combustion supporting of liquid oxygen, and then the flame combustion wavefront rapidly propagates along the axial direction of the energy storage tube (line), and the absorbent at other parts in the energy storage tube also rapidly participates in combustion (surface). The absorbent is burnt from point to line and then from line to surface, and the residual nitrogen-oxygen liquid mixture in the energy storage tube reaches or exceeds the critical temperature required by gasification under the heat effect generated by the combustion reaction, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to more than 700 times of the original volume in a short time. Under the high-pressure gas load of the nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing movement is generated, so that the engineering purpose of breaking the rock is finally achieved. The nitrogen-oxygen liquid mixture adopted by the invention obviously reduces the sensitivity of liquid oxygen to the actions of open fire, electric spark, static electricity, impact and the like due to the existence of liquid nitrogen, so that the state of the nitrogen-oxygen liquid mixture is more stable. The nitrogen-oxygen liquid mixture energy storage tube utilizes the combustion-supporting property of liquid oxygen, the inertia of liquid nitrogen and the high expansion ratio of the nitrogen-oxygen liquid mixture, and greatly improves the construction safety of gas rock breaking while realizing the rock breaking engineering effect, so that the nitrogen-oxygen liquid mixture energy storage tube has certain superiority compared with the traditional explosive rock breaking technology, and has obvious advantages compared with other gas rock breaking technologies, thereby achieving the purpose of having more practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a finite field relay amplification type excitation method for phase-changing a nitrogen-oxygen liquid mixture, which comprises the following steps:
s1, injecting a nitrogen-oxygen liquid mixture into an energy storage tube through a central liquid filling tube, and fully absorbing the nitrogen-oxygen liquid mixture by an absorbent (2);
s2, when the leg wire of the ignition element is connected to the exciter, the exciter excites the ignition element arranged at a certain local position in the multi-layer absorbent to release high-voltage electric spark, the local absorbent in the energy storage tube generates intense combustion (point) under the combustion supporting of liquid oxygen, and the array surface of flame combustion waves propagates along the axial direction (wire) of the energy storage tube, so that the absorbent at other parts of the energy storage tube also participates in combustion (surface) rapidly;
s3, the absorbent is burnt from point to line and then from line to surface, the residual nitrogen-oxygen liquid mixture in the energy storage tube reaches or exceeds the critical temperature required by gasification under the heat effect generated by the combustion reaction, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to more than 700 times of the original volume in a short time;
s4, under the action of high-pressure load of nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing motion is generated, so that the purpose of breaking the rock is finally achieved.
As a preferable technical scheme of the invention, the energy storage tube in the S1 is composed of an absorbent, a central liquid filling tube, an exhaust tube, a flexible shell and a tube orifice sealing piece, and the absorbent in the energy storage tube is porous combustible organic matters.
As a preferable technical scheme of the invention, the S1 energy storage tube is internally provided with a firing element and a connecting wire, one end of the connecting wire is connected with the firing element, the other end of the connecting wire is connected with an external exciter as a leg wire, and the energy storage tube uses a nitrogen-oxygen liquid mixture as a phase change medium.
As a preferable technical scheme of the invention, the nitrogen-oxygen liquid mixture in the step S2 is liquid in which liquid nitrogen and liquid oxygen are uniformly mixed in a certain proportion.
As a preferable technical scheme of the invention, when the liquid oxygen in the nitrogen-oxygen liquid mixture is used as a combustion improver of the absorbent and the external trigger triggers the ignition element to generate high-voltage electric sparks, the absorbent absorbing the nitrogen-oxygen liquid mixture is firstly subjected to local violent combustion (point) under the combustion supporting of the liquid oxygen, and then the flame combustion wavefront rapidly propagates (lines) along the axial direction of the energy storage tube, and the absorbent at other parts in the energy storage tube also rapidly participates in combustion (surface), so that a large amount of heat is generated.
As a preferable technical scheme of the invention, the liquid nitrogen in the nitrogen-oxygen liquid mixture is inert gas, does not participate in chemical reaction and only generates physical change.
As a preferable technical scheme of the invention, the absorbent is burnt from point to line and then from line to surface, the thermal effect generated by the burning reaction enables the nitrogen-oxygen liquid mixture remained in the energy storage tube to reach or exceed the critical temperature required by gasification, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to more than 700 times of the original volume in a short time, and under the high-pressure gas load of nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing motion is generated.
As a preferable technical scheme of the invention, the liquid oxygen in the nitrogen-oxygen liquid mixture can meet the combustion of the absorbent when a certain amount of liquid oxygen is needed, and the heat generated by different combustion degrees is different.
As a preferable technical scheme of the invention, the existence of the liquid nitrogen in the nitrogen-oxygen liquid mixture obviously reduces the sensitivity of liquid oxygen to the actions of open fire, electric spark, static electricity, impact and the like, so that the state of the liquid nitrogen is more stable.
The beneficial effects of the invention are as follows:
according to the invention, the sensitivity of liquid oxygen to the actions of open fire, electric spark, static electricity, impact and the like is obviously reduced due to the addition of liquid nitrogen in the nitrogen-oxygen liquid mixture, the rock breaking effect is generated by utilizing the combustion supporting property of liquid oxygen, the inertia of liquid nitrogen and the high expansion ratio of the nitrogen-oxygen liquid mixture after phase transition, the rock breaking capacity can be regulated and controlled by changing the nitrogen-oxygen mixing ratio of the nitrogen-oxygen liquid mixture, the rock breaking effect is ensured, the safety of gas rock breaking construction is fully improved, and the gas rock breaking device has higher practical value.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a finite field relay amplifying excitation method for phase-changing a nitrogen-oxygen liquid mixture according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a finite field relay amplifying type excitation method for phase-changing a nitrogen-oxygen liquid mixture according to the present invention.
In the figure: 1. a nitrogen-oxygen liquid mixture; 2. an absorbent; 3. a firing element; 4. a center liquid filling pipe; 5. an exhaust pipe; 6. a flexible housing; 7. the leg wire of the ignition element is connected with the exciter; 8. a nozzle seal.
Description of the embodiments
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-2, the finite field relay amplification type excitation method for phase-changing a nitrogen-oxygen liquid mixture of the invention comprises the following steps:
examples
In this embodiment, the energy storage tube used is composed of 2 absorbent, 4 center fill tube, 5 exhaust tube, 6 flexible housing and 8 orifice seal.
In this embodiment, the absorbent in the energy storage tube is roll paper.
In the embodiment, 2 ignition elements are uniformly arranged in the energy storage tube and are connected with a wire, and the other end of the wire is connected with an external exciter.
In this example, liquid nitrogen and liquid oxygen were mixed at a ratio of 8:2 are uniformly mixed into a nitrogen-oxygen liquid mixture which is used as a phase change medium of the energy storage tube and injected into the energy storage tube through the 4-center liquid filling tube.
In this embodiment, after the roll paper absorbent absorbs the nitrogen-oxygen liquid mixture to a saturated state, the liquid oxygen in the nitrogen-oxygen liquid mixture is used as the combustion improver of the absorbent, when the external trigger triggers the ignition element to generate high-voltage electric spark, the roll paper absorbent firstly generates local violent combustion (point) under the combustion assistance of the liquid oxygen, and then the flame combustion wavefront rapidly propagates (lines) along the axial direction of the energy storage tube, so that the absorbent at other parts in the energy storage tube also rapidly participates in combustion (surface).
In this embodiment, the roll paper is burned from point to line, and then from line to surface, and the thermal effect generated by the combustion reaction makes the nitrogen-oxygen liquid mixture remained in the energy storage tube reach or exceed the critical temperature required by gasification, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to about 700 times of the original volume in a short time. Under the high-pressure gas load of the nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing movement is generated, so that the rock breaking effect is finally achieved.
In this embodiment, the liquid nitrogen in the nitrogen-oxygen liquid mixture is inert gas, and does not participate in chemical reaction, and only generates physical change. The existence of liquid nitrogen obviously reduces the sensitivity of liquid oxygen to the actions of open fire, electric spark, static electricity, impact and the like, so that the state is more stable and the construction safety is high.
Examples
In this embodiment, the energy storage tube used is composed of 2 absorbent, 4 center fill tube, 5 exhaust tube, 6 flexible housing and 8 orifice seal.
In this embodiment, the absorbent in the energy storage tube is roll paper.
In the embodiment, 2 ignition elements are uniformly arranged in the energy storage tube and are connected with a wire, and the other end of the wire is connected with an external exciter.
In this example, liquid nitrogen and liquid oxygen were mixed at a ratio of 7:3 are uniformly mixed into a nitrogen-oxygen liquid mixture which is used as a phase change medium of the energy storage tube and injected into the energy storage tube through the 4 center liquid filling tube.
In this embodiment, after the roll paper absorbent absorbs the nitrogen-oxygen liquid mixture to a saturated state, the liquid oxygen in the nitrogen-oxygen liquid mixture is used as the combustion improver of the absorbent, when the external trigger triggers the ignition element to generate high-voltage electric spark, the roll paper absorbent firstly generates local violent combustion (point) under the combustion assistance of the liquid oxygen, and then the flame combustion wavefront rapidly propagates (lines) along the axial direction of the energy storage tube, so that the absorbent at other parts in the energy storage tube also rapidly participates in combustion (surface).
In this embodiment, the roll paper is burned from point to line, and then from line to surface, the residual nitrogen-oxygen liquid mixture in the energy storage tube reaches or exceeds the critical temperature required by gasification under the heat effect generated by the combustion reaction, so that the nitrogen-oxygen liquid mixture is subjected to the phase change effect of finite field relay amplification, is rapidly gasified and expanded to about 700 times of the original volume in a short time, and under the high-pressure gas load effect of nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing motion is generated, and finally the rock breaking effect is achieved.
Working principle: the nitrogen-oxygen liquid mixture 1 is fully absorbed by the absorbent 2 after being injected into the energy storage tube through the central liquid filling tube 4; when the ignition element foot line is connected to the igniter 7, the igniter excites the ignition element 3 arranged at a certain partial position in the multi-layer absorbent to release high-voltage electric spark, the partial absorbent in the energy storage tube generates intense combustion (point) under the combustion supporting of liquid oxygen, and the array surface of flame combustion waves propagates along the axial direction (line) of the energy storage tube, so that the absorbent at other parts of the energy storage tube also participates in combustion (surface) rapidly; the absorbent is burnt from point to line and then from line to surface, the thermal effect generated by the burning reaction enables the nitrogen-oxygen liquid mixture 1 remained in the energy storage tube to reach or exceed the critical temperature required by gasification, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to more than 700 times of the original volume in a short time; under the action of high-pressure load of nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing movement is generated, so that the aim of breaking rock is finally achieved.
Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A finite field relay amplification type excitation method for enabling a nitrogen-oxygen liquid mixture to generate phase change is characterized by comprising the following steps:
s1, injecting a nitrogen-oxygen liquid mixture (1) into an energy storage tube through a central liquid filling tube (4), and fully absorbing the nitrogen-oxygen liquid mixture by an absorbent (2);
s2, after the leg wire of the ignition element is connected to the exciter (7), the exciter excites the ignition element (3) arranged at a certain partial position in the multi-layer absorbent to release high-voltage electric sparks, the partial absorbent in the energy storage tube is subjected to intense combustion (point) under the combustion supporting of liquid oxygen, and the array surface of flame combustion waves propagates (wire) along the axial direction of the energy storage tube, so that the absorbent at other parts of the energy storage tube also participates in combustion (surface) rapidly;
s3, the absorbent is burnt from point to line and then from line to surface, the residual nitrogen-oxygen liquid mixture (1) in the energy storage tube reaches or exceeds the critical temperature required by gasification under the heat effect generated by the combustion reaction, so that the nitrogen-oxygen liquid mixture has the phase change effect of finite field relay amplification, and is rapidly gasified and expanded to more than 700 times of the original volume in a short time;
s4, under the action of high-pressure load of nitrogen-oxygen expansion gas, the rock medium is broken and destroyed, and small-amplitude throwing motion is generated, so that the purpose of breaking the rock is finally achieved.
2. The finite field relay amplification type excitation method for enabling a nitrogen-oxygen liquid mixture to generate phase change according to claim 1, wherein an energy storage tube in the step S1 is composed of an absorbent, a central liquid filling tube, an exhaust tube, a flexible shell and a tube orifice sealing piece, and the absorbent in the energy storage tube is porous combustible organic matters.
3. The finite field relay amplification type excitation method for enabling the nitrogen-oxygen liquid mixture to generate phase change according to claim 1 is characterized in that an ignition element and a connecting wire are further arranged in the S1 energy storage tube, one end of the connecting wire is connected with the ignition element, the other end of the connecting wire is connected with an external exciter as a leg wire, and the energy storage tube takes the nitrogen-oxygen liquid mixture as a phase change medium.
4. The finite field relay amplifying type excitation method for phase-changing the nitrogen-oxygen liquid mixture according to claim 1, wherein the nitrogen-oxygen liquid mixture in the step S2 is a liquid in which liquid nitrogen and liquid oxygen are uniformly mixed in a certain proportion.
5. The finite field relay amplifying type excitation method for enabling the nitrogen-oxygen liquid mixture to generate phase change according to claim 1 is characterized in that liquid oxygen in the nitrogen-oxygen liquid mixture (1) is used as a combustion improver of an absorbent, when an external exciter excites a firing element to generate high-voltage electric sparks, the absorbent absorbing the nitrogen-oxygen liquid mixture is firstly subjected to local violent combustion (point) under the combustion of the liquid oxygen, and further flame combustion wave fronts of the absorbent rapidly propagate (line) along the axial direction of an energy storage tube, and the absorbent at other parts in the energy storage tube also rapidly participates in combustion (surface), so that a large amount of heat is generated.
6. The finite field relay amplification type excitation method for enabling a nitrogen-oxygen liquid mixture to generate phase change according to claim 1 is characterized in that liquid nitrogen in the nitrogen-oxygen liquid mixture (1) is inert gas, does not participate in chemical reaction, and only generates physical change.
7. The finite field relay amplifying type excitation method for enabling the nitrogen-oxygen liquid mixture to generate phase change according to claim 1 is characterized in that the absorber (2) generates a combustion process from point to line and from line to surface, the thermal effect generated by the combustion reaction enables the nitrogen-oxygen liquid mixture (1) remained in the energy storage tube to reach or exceed the critical temperature required by gasification, the nitrogen-oxygen liquid mixture generates the phase change effect of finite field relay amplifying, the nitrogen-oxygen liquid mixture is rapidly gasified and expanded to about 700 times of the original volume in a short time, and under the high-pressure gas load of nitrogen-oxygen expansion gas, rock mediums are broken and damaged and small-amplitude throwing motion is generated.
8. The finite field relay amplifying type excitation method for phase-changing nitrogen-oxygen liquid mixture according to claim 1, wherein the liquid oxygen in the nitrogen-oxygen liquid mixture can meet the combustion of the absorbent when a certain amount of liquid oxygen is needed, and the heat generated by different combustion degrees is different.
9. The finite field relay amplifying type excitation method for phase-changing the nitrogen-oxygen liquid mixture according to claim 4, wherein the presence of the liquid nitrogen in the nitrogen-oxygen liquid mixture obviously reduces the sensitivity of the liquid oxygen to the actions of open fire, electric spark, static electricity, impact and the like, so that the state of the liquid nitrogen is more stable.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117892045A (en) * | 2023-12-07 | 2024-04-16 | 中材(南京)矿山研究院有限公司 | Determination method for rock breaking capacity of nitrogen-oxygen liquid mixture energy storage cylinder and rock breaking method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117892045A (en) * | 2023-12-07 | 2024-04-16 | 中材(南京)矿山研究院有限公司 | Determination method for rock breaking capacity of nitrogen-oxygen liquid mixture energy storage cylinder and rock breaking method |
CN117892045B (en) * | 2023-12-07 | 2024-06-14 | 中材(南京)矿山研究院有限公司 | Determination method for rock breaking capacity of nitrogen-oxygen liquid mixture energy storage cylinder and rock breaking method |
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