CN118149666A - Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent - Google Patents
Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent Download PDFInfo
- Publication number
- CN118149666A CN118149666A CN202410578579.3A CN202410578579A CN118149666A CN 118149666 A CN118149666 A CN 118149666A CN 202410578579 A CN202410578579 A CN 202410578579A CN 118149666 A CN118149666 A CN 118149666A
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- gasoline
- cavity structure
- ignition
- air
- 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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 239000007788 liquid Substances 0.000 title claims abstract description 93
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 91
- 239000011435 rock Substances 0.000 title claims abstract description 34
- 239000002250 absorbent Substances 0.000 title claims abstract description 31
- 230000002745 absorbent Effects 0.000 title claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000005086 pumping Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000010892 electric spark Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000004880 explosion Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a liquid nitrogen phase change expansion rock breaking system based on gasoline as an absorbent, which comprises a cavity structure, a top cover and an ignition mechanism, wherein after the whole rock breaking system is placed in a blast hole, liquid nitrogen is filled in the cavity structure, original air in the concave-shaped cavity structure is discharged through a first exhaust pipe, after the liquid nitrogen is filled, gasoline is filled, and the gasoline enters an empty groove through a gasoline filling pipe; after the gasoline is filled, the resistor rod is operated to heat, and part of gasoline is gasified into oil vapor; after heating for a certain time, closing a heating switch, and backfilling blast holes; the staff leads the ignition foot line to the safe area and then connects the ignition device, starts the ignition switch, the ignition head generates electric spark, the liquid oil and the oil vapor knock when meeting the spark, a large amount of heat is instantaneously generated and the inner wall of the cavity structure is broken to contact with the liquid nitrogen in the interior, the heat is transferred to the liquid nitrogen, the liquid nitrogen is enabled to generate a large amount of high-temperature and high-pressure gas in a limited space in a phase-change manner, and expansion work is performed, so that the rock is broken.
Description
Technical Field
The invention relates to the technical field of rock mass blasting, in particular to a liquid nitrogen phase-change expansion rock breaking system based on gasoline as an absorbent.
Background
The safety production relates to people's welfare and economic and social development bureau. In mineral resource exploitation, explosive blasting is often used for breaking rock mass, but severe vibration and strong shock waves generated by the explosive blasting are easy to damage surrounding buildings (structures), and casualties can be caused when the damage is serious, so that potential safety hazards cannot be ignored. The processes of purchasing and transporting civil explosives are strictly controlled, so that related personnel develop non-explosive rock breaking methods such as a carbon dioxide rock breaking method and mechanical breaking method, and the method solves the problems of explosive blasting, but is not promoted in a large scale due to the problems of high cost, low energy conversion rate and the like, and the application range is limited.
Disclosure of Invention
The invention aims to provide a liquid nitrogen phase-change expansion rock breaking system based on gasoline as an absorbent, which solves the problems in the prior art, and the ignition head excites the absorbent (gasoline) in an aerobic environment, so that heat generated by the explosion of the absorbent (gasoline) is transferred to surrounding liquid nitrogen to enable the absorbent (gasoline) to expand, do work and break rock.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a liquid nitrogen phase-change expansion rock breaking system based on gasoline as an absorbent, which comprises the following components:
The longitudinal section of the cavity structure is in a concave shape, the middle part of the concave shape of the cavity structure is a hollow groove, liquid nitrogen filling holes and a first exhaust hole are respectively formed in the two ends of the top of the cavity structure, and the liquid nitrogen filling holes and the first exhaust hole are respectively connected with a liquid nitrogen filling pipe and a first exhaust pipe; the cavity structure is internally used for filling liquid nitrogen; the empty groove is used for containing an absorbent;
The top cover is buckled at the top of the cavity structure in a sealing way, an air charging hole, an oxygen charging air hole, a second air vent and an ignition wire hole which are communicated with the empty groove are formed in the top cover, and the air charging hole, the oxygen charging air hole and the second air vent are respectively connected with an air charging oil pipe, an oxygen charging air pipe and a second air vent; two holes which are correspondingly communicated with the positions of the holes of the liquid filling nitrogen hole and the first exhaust hole are also formed in the top cover;
The ignition mechanism comprises a resistor rod and an ignition head, the top of the resistor rod is assembled on the top cover, a resistor wire in a resistor wire hole in the center of the top cover is connected with the top of the resistor rod, and the main body of the resistor rod is positioned in the empty groove, and the bottom of the resistor rod is immersed in the absorbent; the ignition leg wire stretches into the empty groove through the ignition wire hole, and a plurality of ignition heads are arranged on the ignition leg wire at intervals on the part positioned in the empty groove.
Preferably, the whole of the cavity structure is cylindrical, the inner diameter of the concave-shaped cavity structure is 40mm, and the outer diameter of the concave-shaped cavity structure is 100mm; the overall height of the cavity structure is 1m; the distance between the bottom surface of the empty groove and the bottom surface of the cavity structure is 10cm, and the height of the empty groove is 90cm.
Preferably, the top cover is in a shape of a round cake, the diameter of the top cover is 100mm, and the height of the top cover is 5cm.
Preferably, the number of the ignition heads is three, the height of the ignition head at the bottommost part relative to the bottom of the empty slot is 20cm, and one ignition head is sequentially arranged at intervals of 30cm upwards relative to the ignition head at the bottommost part; the length of the resistor rod is 30cm, the distance between the bottom end of the resistor rod and the bottom of the empty slot is 5cm, and the top of the resistor rod is assembled in the thread slot of the top cover through a thread structure.
Preferably, a layer of cold accumulation material film is paved on the inner wall of the cavity body of the cavity structure.
Preferably, fixing devices are arranged on two sides of the upper part of the cavity structure and correspond to the peripheral side wall of the top disc, and each fixing device comprises a sloping plate and a connecting part; the bottom of the sloping plate at the periphery of the top plate is fixedly connected with the top plate, and the sloping plate top plate is inclined upwards; the top parts of the sloping plates at the two sides of the cavity structure are fixedly connected with the cavity structure, and the bottom parts of the sloping plates incline downwards; the inclined plates on the periphery of the top plate are fixedly connected with the inclined plates at the corresponding positions on the two sides of the cavity structure through connecting parts, and the connecting parts adopt steel wires.
Preferably, the liquid nitrogen filling pipe is connected with a liquid nitrogen filling system, the liquid nitrogen filling system comprises a liquid nitrogen filling tank and a wind pressure pumping machine, and the wind pressure pumping machine comprises an air inlet, an air charging switch and an air discharging switch; a valve is arranged between the liquid nitrogen filling tank and the liquid nitrogen filling pipe, and the wind pressure pumping machine is used for pumping liquid nitrogen in the liquid nitrogen filling tank to the liquid nitrogen filling pipe.
Preferably, the second exhaust pipe is connected with an exhaust gas treatment tank, and the exhaust gas treatment tank contains activated carbon; the top of the waste gas treatment tank is connected with a second exhaust pipe, and the bottom of the waste gas treatment tank is connected with an air outlet pipe.
Preferably, the gasoline filling pipe is connected with a gasoline conveying system, the gasoline conveying system comprises a fixed support, a sleeve, a hoop, a flange plate and an oil inlet bolt, the sleeve is fixed on the fixed support through the hoop, the top of the sleeve is connected with a plurality of oil inlet channels, and the upper part of each oil inlet channel is provided with the oil inlet bolt; the left end and the right end of the sleeve are fixed by flanges.
Compared with the prior art, the invention has the following beneficial technical effects:
The liquid nitrogen phase change expansion rock breaking system based on the gasoline as an absorbent comprises a cavity structure, a top cover and an ignition mechanism, wherein after the whole rock breaking system is placed in a blast hole, liquid nitrogen is filled in the cavity structure, original air in the concave-shaped cavity structure is discharged through a first exhaust pipe, after the liquid nitrogen is filled, and the liquid nitrogen enters an empty groove through a gas filling oil pipe; after the gasoline is filled, the resistor rod is operated to heat, and part of gasoline is gasified into oil vapor; after heating for a certain time, closing a heating switch, and backfilling blast holes; after leading the ignition foot line to the safety area, the staff is connected with an ignition device, evacuates staff to the safety area, confirms that all staff enter the safety area, issues an ignition command, starts an ignition switch, generates electric sparks by the ignition head, detonates when liquid oil and oil vapor meet the sparks, instantaneously generates a large amount of heat and explodes liquid nitrogen in the inner wall of the concave-shaped cavity structure to contact the inner part, and transmits the heat to the liquid nitrogen, so that the liquid nitrogen is subjected to phase change in a limited space to generate a large amount of high-temperature and high-pressure gas, and expands to do work so as to break rocks.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the main structure of a liquid nitrogen phase change expansion rock breaking system based on gasoline as an absorbent;
FIG. 2 is a schematic structural view of a fixing device;
FIG. 3 is a schematic diagram of a liquid nitrogen filling system;
FIG. 4 is a structural view of an exhaust treatment tank;
FIG. 5 is a structural diagram of a gasoline delivery system;
Wherein, 1, a liquid filling nitrogen pipe; 2. a gas filling oil pipe; 3. an oxygenation gas pipe; 4. a resistance wire; 5. a second exhaust pipe; 6. ignition leg wire; 7. a first exhaust pipe; 8. liquid nitrogen; 9. gasoline; 10. a resistor rod; 11. a cold storage material film; 12. igniting the head; 13. a fixing device; 14. a valve; 15. a liquid nitrogen filling tank; 16. a wind pressure pumping machine; 17. an air inlet; 18. a gas release switch; 19. an inflation switch; 20. activated carbon; 21. an exhaust gas treatment tank; 22. an air outlet pipe; 23. a fixed bracket; 24. a ferrule; 25. an oil inlet bolt; 26. an oil inlet passage; 27. a flange plate; 28. a sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a liquid nitrogen phase-change expansion rock breaking system based on gasoline as an absorbent, which solves the problems in the prior art, and the ignition head excites the absorbent (gasoline) in an aerobic environment, so that heat generated by the explosion of the absorbent (gasoline) is transferred to surrounding liquid nitrogen to enable the absorbent (gasoline) to expand, do work and break rock.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-5, the invention provides a liquid nitrogen phase change expansion rock breaking system based on gasoline as an absorbent, which is cylindrical in whole and mainly comprises a top cover and a concave-shaped cavity structure in a longitudinal section view. The cavity structure of the concave shape is annular from the top, the inner diameter is 40mm, the outer diameter is 100mm, the cavity structure is 1m high, the top is sealed, as shown in figure 1, two holes, namely a liquid nitrogen filling hole 8 and an exhaust hole I, are formed in the two ends of the top of the cavity structure, a layer of cold storage material film 11 is paved on the inner wall of the cavity structure, the bottom-separating height of the middle part of the cavity structure of the concave shape is 10cm, namely the empty groove height of the middle part is 90cm. The top cover is in a round cake shape, the diameter is 100mm, the height is 5cm, the top cover is provided with a plurality of holes, namely, a liquid nitrogen filling hole 8, a gasoline filling hole 9, an oxygen filling air hole, a resistance wire 4 hole, a second air discharging hole, an ignition foot wire 6 hole and a first air discharging hole, wherein the positions of the liquid nitrogen filling hole 8 and the first air discharging hole are matched with the positions of the two holes at the top of the cavity structure, and the rest holes are distributed near the center of the top cover. Wherein the ignition heads 12 are distributed on the ignition leg line 6, the height of the ignition head 12 at the bottommost part relative to the bottom of the empty slot is 20cm, and every 30cm is arranged upwards in sequence, and 3 ignition heads 12 are arranged in total. The resistor wire 4 is positioned at the center of the top disc, the resistor rod 10 is 30cm long and is 5cm away from the bottom of the empty slot, as shown in figure 1, a threaded structure is arranged above the resistor rod 10 and is fixed in a threaded slot at the bottom of the top disc, and the threaded structure is used for fixing the resistor rod 10.
As shown in fig. 2, the fixing device 13 is installed on the side wall of the hollow structure in the shape of a Chinese character 'v' and the side wall of the top plate, the inclined plate on the side wall of the top plate and the inclined plate on the hollow structure in the shape of a Chinese character 'v' and the included angle between the inclined plate and the side wall are 15 degrees, and the two inclined plates are fixed by winding steel wires so as to ensure the tightness between the top plate and the hollow structure in the shape of a Chinese character 'v'.
As shown in fig. 3, the liquid nitrogen filling pipe 1 is connected with a liquid nitrogen 8 filling system, and the liquid nitrogen 8 filling system mainly comprises a liquid nitrogen filling tank 15 and a wind pressure pumping machine 16, wherein the wind pressure pumping machine 16 comprises an air inlet 17, an air filling switch 19 and an air discharging switch 18. A valve 14 is arranged between the liquid nitrogen filling tank 15 and the liquid nitrogen filling pipe 1.
As shown in fig. 4, the second exhaust pipe 5 is connected with an exhaust gas treatment tank 21, the tank body contains activated carbon 20, the top is connected with the second exhaust pipe 5, and the bottom is connected with an air outlet pipe 22 for treating the evaporated oil vapor, and preventing the oil vapor from being directly discharged into the air to pollute the environment or even being exposed to open fire to cause explosion.
As shown in fig. 5, the gasoline filling pipe 2 is connected to a gasoline 9 delivery system, and the device mainly comprises a fixed bracket 23, a sleeve 28, a hoop 24, a flange 27 and an oil inlet bolt 25. The sleeve 28 is 100mm x 600mm in size, is fixed on the bracket by the sleeve 24, the sleeve 24 is formed by connecting two identical ring halves through bolts end to end, the fixed bracket 23 is formed by connecting 3 semicircular arch structures (with the interval of 180 mm) through two fixing rods at the bottom, 4 oil inlet channels 26 with the interval of 100mm are connected to the top of the sleeve 28, and oil inlet bolts 25 are distributed on the upper parts of the oil inlet channels 26. The left and right ends of the sleeve 28 are fixed by flanges 27, and 4 oil inlet passages 26 are provided to accelerate the oil inlet rate.
The application method of the liquid nitrogen 8 phase-change expansion rock breaking system based on the gasoline 9 as an absorbent comprises the following steps:
Firstly, a liquid nitrogen charging pipe 1, a gasoline charging pipe 2, an oxygen charging pipe 3, a second exhaust pipe 5, a resistor wire 4, a flame leg wire and a first exhaust pipe 7 are respectively inserted into corresponding holes in a top plate, wherein after the resistor wire 4 is inserted, a threaded structure is screwed into a threaded groove at the bottom of the top plate to fix the position of a resistor rod 10, then the top plate is placed at the top of a concave cavity structure, note that a liquid nitrogen charging hole 8 and a first exhaust hole in the top plate are matched with the corresponding holes at the top of the concave cavity structure, then the liquid nitrogen charging pipe is fixed by a fixing device 13 on the side walls of the two structures and then is placed in a blast hole, then the liquid nitrogen charging pipe 1 is connected to a liquid nitrogen 8 charging system, an air charging switch 19 of an air pressure pumping machine 16 is started, after an air inlet 17 is charged, the air is closed, a valve 14 and an air discharging switch 18 between the liquid nitrogen charging pipe 1 and a gas discharging tank 15 are opened, the liquid nitrogen 8 is filled into the concave cavity structure through the first exhaust pipe 7, after the liquid nitrogen charging is filled, the air discharging switch 18 and the valve 14 are sequentially closed, the gas discharging pipe 8 is sequentially moved out of the air charging pipe 9 through the air inlet pipe 9, and then the air charging pipe 9 is moved into the air inlet pipe 9 through the air inlet pipe 9 after the air inlet pipe 9, and the air charging pipe is completely enters the air inlet pipe 9, and the air inlet pipe is completely filled into the air channel through the air inlet pipe 9. When the air tank is filled to one third of the volume of the empty tank, the oil inlet is stopped, the oil inlet bolt 25 is screwed, the gasoline 9 conveying system is moved to a safe area, a certain amount of oxygen is filled into the cavity through the oxygenation air pipe 3, the resistance switch is turned on, the resistance rod 10 is heated, part of gasoline 9 is gasified to be oil vapor, the oil vapor and part of oxygen enter the waste gas treatment tank 21 through the exhaust hole II, the activated carbon 20 in the waste gas treatment tank 21 adsorbs the oil vapor, the treated gas is discharged into the atmosphere through the air outlet pipe 22, the pollution to the surrounding environment is reduced, and the casualties caused by explosion of the oil vapor when the oil vapor is discharged into the atmosphere in the presence of open flame are prevented. And after heating for a certain time, closing the heating switch, and backfilling the blast holes. After leading the ignition leg wire 6 to the safety area, the staff is connected with an ignition device, evacuates staff to the safety area, confirms that all staff enter the safety area, issues an ignition command, starts an ignition switch, generates electric sparks by the ignition head 12, detonates when liquid oil and oil vapor meet the sparks, instantaneously generates a large amount of heat and breaks up the liquid nitrogen 8 inside the concave cavity structure, transfers the heat to the liquid nitrogen 8, enables the liquid nitrogen 8 to generate a large amount of high-temperature and high-pressure gas in a limited space in a phase-change mode, and expands to do work so as to break rocks.
The basic principle of the liquid nitrogen 8 phase-change expansion rock breaking system based on gasoline 9 as an absorbent in the invention is as follows:
1. the active carbon 20 in the waste gas treatment tank 21 has the characteristics of extremely large specific surface area and strong adsorptivity to adsorb the oil vapor generated by the evaporation of the gasoline 9, so as to prevent the oil vapor from being directly discharged into the atmosphere to cause environmental pollution or explosion caused by naked flame to cause casualties.
The fixing device 13 formed by the concave cavity structure and the side wall of the top disc ensures tightness of the hollow groove in the middle, ensures that oil vapor cannot leak, and ensures safety.
3. The liquid gasoline 9 is heated by the resistor rod 10 to generate oil vapor, so that the deflagration effect of the gasoline 9 is increased, more heat is generated and transferred to surrounding liquid nitrogen 8, and the breaking effect of the rock is further enhanced.
4. Under normal pressure, the temperature of the liquid nitrogen 8 is-196 ℃,1 cubic meter of the liquid nitrogen 8 can be expanded to 696 cubic meters of pure gaseous nitrogen at 21 ℃, and the purpose of breaking rock is achieved by utilizing the characteristic of high gas phase change volume expansion multiple of the nitrogen.
5. The cold accumulation material film 11 laid on the inner wall of the cavity plays a role in cutting off heat transfer between the two substances in the process of inputting the gasoline 9 and heating the gasoline 9 by the resistor rod 10.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (9)
1. A liquid nitrogen phase change expansion rock breaking system based on gasoline as an absorbent is characterized in that: comprising the following steps:
The longitudinal section of the cavity structure is in a concave shape, the middle part of the concave shape of the cavity structure is a hollow groove, liquid nitrogen filling holes and a first exhaust hole are respectively formed in the two ends of the top of the cavity structure, and the liquid nitrogen filling holes and the first exhaust hole are respectively connected with a liquid nitrogen filling pipe and a first exhaust pipe; the cavity structure is internally used for filling liquid nitrogen; the empty groove is used for containing an absorbent;
The top cover is buckled at the top of the cavity structure in a sealing way, an air charging hole, an oxygen charging air hole, a second air vent and an ignition wire hole which are communicated with the empty groove are formed in the top cover, and the air charging hole, the oxygen charging air hole and the second air vent are respectively connected with an air charging oil pipe, an oxygen charging air pipe and a second air vent; two holes which are correspondingly communicated with the positions of the holes of the liquid filling nitrogen hole and the first exhaust hole are also formed in the top cover;
The ignition mechanism comprises a resistor rod and an ignition head, the top of the resistor rod is assembled on the top cover, a resistor wire in a resistor wire hole in the center of the top cover is connected with the top of the resistor rod, and the main body of the resistor rod is positioned in the empty groove, and the bottom of the resistor rod is immersed in the absorbent; the ignition leg wire stretches into the empty groove through the ignition wire hole, and a plurality of ignition heads are arranged on the ignition leg wire at intervals on the part positioned in the empty groove.
2. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the whole of the cavity structure is cylindrical, the inner diameter of the concave-shaped cavity structure is 40mm, and the outer diameter of the concave-shaped cavity structure is 100mm; the overall height of the cavity structure is 1m; the distance between the bottom surface of the empty groove and the bottom surface of the cavity structure is 10cm, and the height of the empty groove is 90cm.
3. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the top cover is in a round cake shape, the diameter of the top cover is 100mm, and the height of the top cover is 5cm.
4. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the number of the ignition heads is three, the height of the ignition head at the bottommost part from the bottom of the empty slot is 20cm, and one ignition head is sequentially arranged at each interval of 30cm upwards; the length of the resistor rod is 30cm, the distance between the bottom end of the resistor rod and the bottom of the empty slot is 5cm, and the top of the resistor rod is assembled in the thread slot of the top cover through a thread structure.
5. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: a layer of cold accumulation material film is paved on the inner wall of the cavity body of the cavity structure.
6. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: two sides of the upper part of the cavity structure are correspondingly provided with fixing devices with the peripheral side walls of the top disc, and the fixing devices comprise inclined plates and connecting parts; the bottom of the sloping plate at the periphery of the top plate is fixedly connected with the top plate, and the sloping plate top plate is inclined upwards; the top parts of the sloping plates at the two sides of the cavity structure are fixedly connected with the cavity structure, and the bottom parts of the sloping plates incline downwards; the inclined plates on the periphery of the top plate are fixedly connected with the inclined plates at the corresponding positions on the two sides of the cavity structure through connecting parts, and the connecting parts adopt steel wires.
7. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the liquid nitrogen filling pipe is connected with a liquid nitrogen filling system, the liquid nitrogen filling system comprises a liquid nitrogen filling tank and a wind pressure pumping machine, and the wind pressure pumping machine comprises an air inlet, an air charging switch and an air discharging switch; a valve is arranged between the liquid nitrogen filling tank and the liquid nitrogen filling pipe, and the wind pressure pumping machine is used for pumping liquid nitrogen in the liquid nitrogen filling tank to the liquid nitrogen filling pipe.
8. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the second exhaust pipe is connected with an exhaust gas treatment tank, and the exhaust gas treatment tank contains activated carbon; the top of the waste gas treatment tank is connected with a second exhaust pipe, and the bottom of the waste gas treatment tank is connected with an air outlet pipe.
9. The liquid nitrogen phase change expansion rock breaking system based on gasoline as absorbent according to claim 1, wherein: the gasoline filling pipe is connected to the gasoline conveying system, the gasoline conveying system comprises a fixed support, a sleeve, a hoop, a flange plate and an oil inlet bolt, the sleeve is fixed on the fixed support through the hoop, the top of the sleeve is connected with a plurality of oil inlet channels, and the upper part of each oil inlet channel is provided with the oil inlet bolt; the left end and the right end of the sleeve are fixed by flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410578579.3A CN118149666A (en) | 2024-05-11 | 2024-05-11 | Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410578579.3A CN118149666A (en) | 2024-05-11 | 2024-05-11 | Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118149666A true CN118149666A (en) | 2024-06-07 |
Family
ID=91301628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410578579.3A Pending CN118149666A (en) | 2024-05-11 | 2024-05-11 | Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118149666A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU866095A1 (en) * | 1980-01-08 | 1981-09-23 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Институт Инженеров Железнодорожного Транспорта | Method and apparatus for thermodynamic rock-breaking |
| CN2138595Y (en) * | 1992-08-03 | 1993-07-21 | 何顺禄 | Safety air bag for vehicle driver |
| CN101893414A (en) * | 2009-05-20 | 2010-11-24 | 唐杰 | Exploder |
| CN104749218A (en) * | 2015-03-27 | 2015-07-01 | 中国石油大学(华东) | Device and method for testing explosion properties of flammable gases at ultralow temperature |
| US20180038676A1 (en) * | 2016-08-07 | 2018-02-08 | Explosive Alternatives LLC | Apparatus and method for blasting |
| CN207658329U (en) * | 2017-08-15 | 2018-07-27 | 张慧娴 | A kind of modified insulation case lid |
| CN214537619U (en) * | 2021-01-13 | 2021-10-29 | 东北大学 | Rock breaking device for combined action of transient static gas fracturing for open pit mine |
| CN215169979U (en) * | 2021-05-12 | 2021-12-14 | 湖南军凯静爆科技有限公司 | Phase-change fracturing rock breaking system filled with liquid carbon dioxide in hole |
| CN218848014U (en) * | 2022-08-22 | 2023-04-11 | 中广核研究院有限公司 | Test system for high-burnup fuel rod bulging blasting |
| CN117450860A (en) * | 2023-10-31 | 2024-01-26 | 广东宏凯气能技术有限公司 | Cracking tube and filling method |
-
2024
- 2024-05-11 CN CN202410578579.3A patent/CN118149666A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU866095A1 (en) * | 1980-01-08 | 1981-09-23 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Институт Инженеров Железнодорожного Транспорта | Method and apparatus for thermodynamic rock-breaking |
| CN2138595Y (en) * | 1992-08-03 | 1993-07-21 | 何顺禄 | Safety air bag for vehicle driver |
| CN101893414A (en) * | 2009-05-20 | 2010-11-24 | 唐杰 | Exploder |
| CN104749218A (en) * | 2015-03-27 | 2015-07-01 | 中国石油大学(华东) | Device and method for testing explosion properties of flammable gases at ultralow temperature |
| US20180038676A1 (en) * | 2016-08-07 | 2018-02-08 | Explosive Alternatives LLC | Apparatus and method for blasting |
| CN207658329U (en) * | 2017-08-15 | 2018-07-27 | 张慧娴 | A kind of modified insulation case lid |
| CN214537619U (en) * | 2021-01-13 | 2021-10-29 | 东北大学 | Rock breaking device for combined action of transient static gas fracturing for open pit mine |
| CN215169979U (en) * | 2021-05-12 | 2021-12-14 | 湖南军凯静爆科技有限公司 | Phase-change fracturing rock breaking system filled with liquid carbon dioxide in hole |
| CN218848014U (en) * | 2022-08-22 | 2023-04-11 | 中广核研究院有限公司 | Test system for high-burnup fuel rod bulging blasting |
| CN117450860A (en) * | 2023-10-31 | 2024-01-26 | 广东宏凯气能技术有限公司 | Cracking tube and filling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8052784B2 (en) | Hydrogen storage and release system | |
| CN101932515A (en) | Anti-explosive oil tank | |
| JPH05146834A (en) | Method and device for connecting inner tube to outer tube mechanically | |
| CN118149666A (en) | Liquid nitrogen phase-change expansion rock breaking system based on gasoline as absorbent | |
| CN110736580B (en) | Hydrogen-dry air-water vapor explosion pressure testing device and testing method | |
| CN2276920Y (en) | Anti-explosion, fire fighting automatic safety appts. for storage of inflammable liquid vessel | |
| CN104406040B (en) | For ANG tank arrangement and the ANG peak regulating method thereof of micropolis peak regulation | |
| RU2252393C1 (en) | Method for blasting and device for its realization | |
| CN217764703U (en) | Rock blasting device | |
| BG66748B1 (en) | Method and device for single-borehole subterranean gasification of fossil fuels | |
| CN110986685B (en) | Gas energy pipe, fracturing device and fracturing method | |
| CN216694667U (en) | Device for preparing liquid oxygen gas expanding agent in blast hole | |
| CA2108099A1 (en) | Method for gaining garbage dump space by means of garbage compaction packing | |
| CN206056398U (en) | A kind of cryopreservation liquid CO2 electric heating demolition set | |
| CN111412800A (en) | Safe and environment-friendly gas mixed heat energy expansion device and construction method | |
| CN220708233U (en) | Explosive device convenient for liquid oxygen filling | |
| CN205402711U (en) | Explosion burning simulation generating device | |
| JP3091335B2 (en) | Detonation wave decomposer | |
| CN118030062A (en) | Gas rock breaking device based on combination of liquid oxygen and carbon dioxide | |
| CN221147385U (en) | Gas expansion fracturing system | |
| RU2308675C1 (en) | Method for destruction of chimneys | |
| CN218673367U (en) | Air energy gas blasting system | |
| CN217330921U (en) | Safety system for thermal-combustion phase-change expansion cracking rock in rock blast hole | |
| CN220794039U (en) | Air energy gas blasting system | |
| RU19666U1 (en) | CRYOGENIC GASIFIER |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |