CN211201982U - Liquid CO2Phase-change hydraulic cutting device - Google Patents
Liquid CO2Phase-change hydraulic cutting device Download PDFInfo
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- CN211201982U CN211201982U CN201921986582.XU CN201921986582U CN211201982U CN 211201982 U CN211201982 U CN 211201982U CN 201921986582 U CN201921986582 U CN 201921986582U CN 211201982 U CN211201982 U CN 211201982U
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Abstract
The utility model provides a liquid CO2A phase change hydraulic cutting apparatus comprising: liquid carbon dioxide phase changer, high pressure vessel and grinding tank, liquid CO2The phase changer is suitable for mixing liquid CO2Gasification to high pressure CO2The gas is discharged to a high-pressure device which is suitable for forming high-pressure gas flow into high-pressure water; the abrasive tank is adapted to receive high pressure water, mix the abrasives with the high pressure water and form a high velocity abrasive jet through the nozzle. Thereby making the liquid CO2Phase-change hydraulic cutting device capable of greatly reducing number of peopleThe labor intensity of the sealing wall is broken and dismantled by workers, the device is portable to carry, the underground operation is convenient, and the safe use in the underground explosive environment is ensured.
Description
Technical Field
The utility model relates to an in pit operation equipment technical field, in particular to liquid CO2Phase change hydraulic cutting device.
Background
The existing technology for breaking and dismantling the airtight wall underground mainly comprises manual breaking and dismantling and hydraulic breaking. The defects of high labor intensity and high danger exist in manual breaking and dismantling. The hydraulic breaking and dismantling needs a high-power motor as a power system and needs to be externally connected with high-voltage electricity, and a large amount of manpower is required for operation and transportation of the equipment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem in the above-mentioned technique at least to a certain extent, reduce the artifical intensity of labour who breaks open the seal wall promptly by a wide margin, the device carries lightly, and the borehole operation of being convenient for guarantees the safe handling in the explosive environment in pit. Therefore, an object of the present invention is to provide a liquid CO2Phase change hydraulic cutting device.
To achieve the above object, the present invention provides in one aspect a liquid CO2A phase change hydraulic cutting apparatus comprising:
liquid CO2Phase-change ware, it includes phase change case, heater and constant pressure valve, the phase change incasement is equipped with the baffle in order to inject first cavity and second cavity, constant pressure valve sets up on the baffle, the heater sets up in order to incite somebody to action in the first cavity liquid CO in the first cavity2Gasification to high pressure CO2Gas, said high pressure CO2The gas breaks through the constant pressure valve and enters the second chamber;
a high-pressure device comprising a third chamber and a fourth chamber, the third chamber being communicated with the second chamber, the third chamberA first piston is arranged in the chamber, a second piston connected with the first piston is arranged in the fourth chamber, the fourth chamber is connected with a water inlet pipe and a water outlet pipe, and the water inlet pipe is suitable for supplying water to the fourth chamber; when the high pressure CO is present2When gas enters the third chamber through the second chamber, the first piston does work to drive the second piston to do work, and the second piston drives water in the fourth chamber to form high-pressure water;
the abrasive tank stores abrasive materials, a water inlet of the abrasive tank is communicated with a water outlet pipe of the fourth chamber, and a discharge port of the abrasive tank is connected with a nozzle; when the high pressure water of the fourth chamber enters the abrasive tank, the abrasives are mixed with the high pressure water and form a high velocity abrasive jet through the nozzle.
According to the utility model discloses a liquid CO2Phase change hydraulic cutting apparatus by liquid CO2The liquid carbon dioxide in the phase changer is heated to raise the temperature and generate phase change, the pressure is increased rapidly, and high-pressure CO is formed2Gas, high pressure CO2The gas enters a high-pressure device to drive water in the fourth chamber to form high-pressure water, the high-pressure water enters the abrasive tank and is mixed with the abrasive in the abrasive tank, and the high-pressure water is accelerated by the high-speed water jet and then is ejected from the nozzle to form high-speed abrasive jet, so that the sealing wall is cut; thereby, the liquid CO2Phase change hydraulic cutting device for cutting CO2The phase change is used as a power source for hydraulic cutting, belongs to a cold cutting technology, can ensure safe use in an underground explosive environment, and is portable to carry and convenient for underground operation.
In addition, according to the utility model discloses liquid CO that above-mentioned embodiment provided2The phase change hydraulic cutting device can also have the following additional technical characteristics:
according to the utility model discloses an embodiment, still be equipped with liquid CO on the first cavity2Feed inlet, the liquid CO2The feed inlet is suitable for filling liquid CO into the first cavity2。
According to the utility model discloses an embodiment, be equipped with gaseous state CO on the second chamber2Gas outlet, the gaseous CO2The air outlet is communicated with the third chamber through a first high-pressure pipe.
According to the utility model discloses an embodiment, the heater is including heating galvanic couple and heater strip, heating galvanic couple connects the power, the heater strip sets up in the first cavity and with the heating galvanic couple electricity is connected.
According to an embodiment of the invention, the first piston and the second piston are connected through a push rod.
According to the utility model discloses an embodiment still includes communicating pipe, the inlet tube with the outlet pipe with communicating pipe intercommunication is T word pipe, the bottom of T word pipe with the top surface of second piston constitutes pressurization buffer pool.
According to the embodiment of the utility model, a filter screen is arranged in the grinding material tank, and grinding materials are stored in the filter screen; the water inlet is communicated with the spray header, and the spray header is positioned above the filter screen.
According to the utility model discloses an embodiment, be equipped with a relief valve that is suitable for releasing the abrasive tank internal pressure on the abrasive tank.
Drawings
FIG. 1 is a liquid CO according to an embodiment of the present invention2A flow schematic diagram of a phase change hydraulic cutting device;
FIG. 2 is a liquid CO according to an embodiment of the present invention2A schematic diagram of a phase changer;
fig. 3 is a schematic structural diagram of a high-voltage device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an abrasive tank according to an embodiment of the present invention;
description of reference numerals: liquid CO2Phase change hydraulic cutting device 1, liquid CO2Phase changer 100, phase change box 101, first chamber 1011, liquid CO2Feed port 10111, second chamber 1012, gaseous CO2Gas outlet 10121, heater 102, heating couple 1021, heating wire 1022, constant pressure valve 103, partition 104, high-pressure device 200, third chamber 201, fourth chamber 202, first piston 203, second piston 204, water inlet pipe 205, water outlet pipe 206, push rod 207, communicating pipe 208, abrasive tank300. The device comprises a filter screen 301, a water inlet 302, a spray header 303, a high-pressure abrasive outlet 304, a sand injection port 305, a safety valve 306, a first high-pressure pipe 401, a second high-pressure pipe 402, a third high-pressure pipe 403 and a nozzle 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Liquid CO according to embodiments of the present invention is described below with reference to the accompanying drawings2Phase change hydraulic cutting device 1.
As shown in fig. 1-4, the liquid CO according to the embodiment of the present invention2Phase change hydraulic cutting device 1 comprising liquid CO2 A phase changer 100, a high-pressure apparatus 200, and an abrasive tank 300.
Wherein, liquid CO2The phase changer 100 includes a phase change tank 101, a heater 102, and a constant pressure valve 103, a partition 104 is provided in the phase change tank 101 to define a first chamber 1011 and a second chamber 1012, the constant pressure valve 103 is provided on the partition 104, and the heater 102 is provided in the first chamber 1011 to supply liquid CO in the first chamber 10112Gasification to high pressure CO2Gas, high pressure CO2The gas breaks through the constant pressure valve 103 and enters the second chamber 1012. It will be appreciated that the phase change tank 101 is capable of withstanding pressures in excess of 1000MPa and is fitted with a gasket pressure relief tab (i.e., pressure relief valve 103) on the diaphragm 104Exhaust gas, install heater 102 in first chamber 1011, assemble into one and fill with liquid CO2The high-pressure vessel of (1). Thus, when the heater 102 heats up, a large amount of heat is generated, thereby activating the entire phase change system, such that the liquid CO in the first chamber 10112Gasification to high pressure CO2A gas. When the expansion pressure in the first chamber 1011 is greater than the constant pressure valve 103, the constant pressure rupture disk is broken, and the high-energy CO is generated2Gas enters the second chamber 1012 from the first chamber 1011.
The high-pressure device 200 comprises a third chamber 201 and a fourth chamber 202, wherein the third chamber 201 is communicated with the second chamber 1012, a first piston 203 is arranged in the third chamber 201, a second piston 204 connected with the first piston 203 is arranged in the fourth chamber 202, the fourth chamber 202 is connected with a water inlet pipe 205 and a water outlet pipe 206, and the water inlet pipe 205 is suitable for supplying water to the fourth chamber 202; when high pressure CO2When the gas enters the third chamber 201 through the second chamber 1012, the first piston 203 does work to drive the second piston 204 to do work, and the second piston 204 drives the water in the fourth chamber 202 to form high-pressure water. That is, by liquid CO2The phase changer 100 transfers liquid CO2The high-pressure airflow generated by the phase change is used as a power source to enable the water in the fourth cavity 203 to work into high-pressure water flow, so that the use of a high-power motor can be avoided, and external high-voltage electricity is not needed.
The abrasive tank 300 stores abrasive, a water inlet of the abrasive tank 300 is communicated with a water outlet pipe 206 of the fourth chamber 203, and a discharge hole 303 of the abrasive tank 300 is connected with the nozzle 500; when the high pressure water of the fourth chamber 203 enters the abrasive tank 300, the abrasives are mixed with the high pressure water and form a high velocity abrasive jet through the nozzle 500. That is, in the abrasive tank 300, the high-pressure water can be mixed with the abrasives in the abrasive tank 300 sufficiently and drive the abrasives to accelerate, and finally, the high-pressure abrasive jet is formed through the cutting torch nozzle 500 with a small diameter, so that the cutting operation can be performed.
Thus, the liquid CO2Phase change hydraulic cutting device 1, by liquid CO2Liquid CO in phase inverter 1002Heating to raise temperature to generate phase change, and rapidly increasing pressure to form high-pressure CO2Gas, high pressure CO2The gas passes through a first high pressure pipe 401The high-pressure water enters the high-pressure device 200 to drive the water in the fourth chamber 203 to form high-pressure water, the high-pressure water enters the abrasive tank 300 and is mixed with the abrasives in the abrasive tank 300, and the high-pressure water is accelerated by the high-speed water jet and then is ejected from the nozzle 500 to form high-speed abrasive jet flow, so that the sealing wall is cut; thereby, the liquid CO2Phase change hydraulic cutting device 1 for cutting CO2The phase change is used as a power source for hydraulic cutting, belongs to a cold cutting technology, can ensure safe use in an underground explosive environment, and is portable to carry and convenient for underground operation.
Referring to fig. 2, in the phase change tank 101, a partition plate 104 is vertically disposed inside the phase change tank 101 to divide the phase change tank 101 into two chambers in a horizontal direction.
Optionally, the first chamber 1011 is further provided with liquid CO2Feed port 10111, liquid CO2The feed port 10111 is adapted to feed liquid CO into the first chamber 10112. Wherein, liquid CO2The feed port 10111 may be liquid CO externally connected through a pipeline2The storage tank to carry out timely supply to first cavity 1011, can set up flowmeter and manometer on the pipeline to when annotating the liquid, the flow rate of liquid and the pressure in the first cavity 1011 are annotated in real time control.
Optionally, gaseous CO is provided in the second chamber 10122 Gas outlet 10121, gaseous CO2The air outlet 10121 communicates with the third chamber 201 through the first high-pressure pipe 401.
Optionally, the heater 102 comprises a heating couple 1021 and a heating wire 1022, the heating couple 1021 is connected to a power supply, and the heating wire 1022 is disposed in the first chamber 1011 and electrically connected to the heating couple 1021. The heating couple 1021 facilitates heating of the heating wire 1022 by energization. Of course, the heater 102 may be made of a chemical cartridge processed, and the current in the first chamber 1011 after being energized must reach 0.8A or more, so that the heater 102 can react immediately, burn rapidly and violently, and accompany a large amount of heat.
Thus, liquid carbon dioxide enters the first chamber 1011, is heated by the heating wire 1022, and rapidly forms high-pressure gas, enters the second chamber 1012 through the constant-pressure valve 103, and flows to the high-pressure device 200 through the gaseous carbon dioxide outlet 10121 and the first high-pressure pipe 401.
With reference to fig. 3, in the high-pressure apparatus 200, the fourth chamber 202 is disposed above the third chamber 201; the bottom of third chamber 201 is equipped with intake pipe 2011, and intake pipe 2011 and first high-pressure pipe 401 intercommunication.
Optionally, the first piston 203 and the second piston 204 are connected by a push rod 207. Thus, when the first piston 203 does work, the second piston 204 can be driven to do work.
Optionally, the high-pressure device 200 further includes a communicating pipe 208, the water inlet pipe 205 is communicated with the water outlet pipe 206 and the communicating pipe 208 and is a T-shaped pipe, and the bottom end of the T-shaped pipe and the top surface of the second piston 204 form a pressurizing buffer tank. Thus, when the second piston 204 performs work, water is pressurized to form high-pressure water, and the high-pressure water flows to the water outlet pipe 206 through the communication pipe 208. Specifically, the water inlet pipe 205 and the water outlet pipe 206 are provided with one-way valves to ensure the flow direction of water and high-pressure water. Wherein the outlet pipe 206 may also extend downward to communicate with the abrasive tank 300 through a second high pressure pipe 402.
Thus, high pressure gas enters the third chamber 201 through the inlet 2011, pushes the first piston 203 upward to do work, and causes the second piston 204 to do work through the push rod 207, so as to transmit pressure to the pressurizing buffer pool; the water first enters the pressurized buffer tank through the water inlet pipe 205, where it is pressurized by the second piston 204 to form high pressure water, which then flows out through the water outlet pipe 206 through the one-way valve.
Referring to fig. 4, in the abrasive tank 300, a filter 301 is disposed in the abrasive tank 300, and the filter 301 stores an abrasive; the water inlet 302 is communicated with a spray header 303, and the spray header 303 is positioned above the filter screen 301. Specifically, one end of the water inlet 302 is communicated with the second high-pressure pipe 402, and the other end is communicated with the spray header 303 through the third high-pressure pipe 403, so that the spray header 303 sprays water to the abrasives on the filter screen 301 to mix the high-pressure water with the abrasives and drive the abrasives to accelerate. Wherein the abrasive tank 300 is provided with a high pressure abrasive outlet 304 below the screen 301, the high pressure abrasive outlet 304 communicating with the nozzle 500.
Thus, high pressure water flows through the second high pressure pipe 402 into the abrasive tank 300, and the abrasive tank 300 is designed with a filter screen 301 to ensure sufficient mixing of the abrasive and water; the high-pressure water is fully mixed with the abrasive through the umbrella-shaped spray header 303 and drives the abrasive to accelerate, the water-sand mixed liquid flows out from the lower part of the filter screen 301 through the high-pressure abrasive outlet 304, and finally, the high-pressure abrasive jet is formed through the nozzle 500 to perform cutting operation.
Alternatively, the abrasive within the abrasive tank 300 may be garnet. The abrasive tank 300 is provided with a sand injection port 305 to supply the abrasive to the screen 301.
Optionally, the abrasive tank 300 is provided with a safety valve 306 adapted to release pressure in the abrasive tank 300, and the safety valve 306 releases the pressure when the pressure in the abrasive tank 300 reaches a safety threshold value, thereby ensuring safety.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. Liquid CO2Phase change water power cutting device characterized by, includes:
liquid CO2Phase-change ware, it includes phase change case, heater and constant pressure valve, the phase change incasement is equipped with the baffle in order to inject first cavity and second cavity, constant pressure valve sets up on the baffle, the heater sets up in order to incite somebody to action in the first cavity liquid CO in the first cavity2Gasification to high pressure CO2Gas, said high pressure CO2The gas breaks through the constant pressure valve and enters the second chamber;
the high-pressure device comprises a third cavity and a fourth cavity, the third cavity is communicated with the second cavity, a first piston is arranged in the third cavity, a second piston connected with the first piston is arranged in the fourth cavity, the fourth cavity is connected with a water inlet pipe and a water outlet pipe, and the water inlet pipe is suitable for supplying water to the fourth cavity; when the high pressure CO is present2When gas enters the third chamber through the second chamber, the first piston does work to drive the second piston to do work, and the second piston drives water in the fourth chamber to form high-pressure water;
the abrasive tank stores abrasive materials, a water inlet of the abrasive tank is communicated with a water outlet pipe of the fourth chamber, and a discharge port of the abrasive tank is connected with a nozzle; when the high pressure water of the fourth chamber enters the abrasive tank, the abrasives are mixed with the high pressure water and form a high velocity abrasive jet through the nozzle.
2. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized in that the first chamber is also provided with liquid CO2Feed inlet, the liquid CO2The feed inlet is suitable for filling liquid CO into the first cavity2。
3. Liquid CO according to claim 1 or 22The phase-change hydraulic cutting device is characterized in that the second chamber is provided with gaseous CO2Gas outlet, the gaseous CO2The air outlet is communicated with the third chamber through a first high-pressure pipe.
4. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized in that the heater comprises a heating couple and a heating wire, the heating couple is connected with a power supply, and the heating wire is arranged in the first cavity and is electrically connected with the heating couple.
5. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized in that the first piston and the second piston are connected through a push rod.
6. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized by further comprising a communicating pipe, the water inlet pipe is communicated with the water outlet pipe and the communicating pipe and is a T-shaped pipe, and the bottom end of the T-shaped pipe and the top surface of the second piston form a pressurizing buffer pool.
7. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized in that a filter screen is arranged in the grinding material tank, and grinding materials are stored in the filter screen; the water inlet is communicated with the spray header, and the spray header is positioned above the filter screen.
8. Liquid CO according to claim 12The phase-change hydraulic cutting device is characterized in that a safety valve suitable for releasing the pressure in the abrasive tank is arranged on the abrasive tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986582.XU CN211201982U (en) | 2019-11-15 | 2019-11-15 | Liquid CO2Phase-change hydraulic cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986582.XU CN211201982U (en) | 2019-11-15 | 2019-11-15 | Liquid CO2Phase-change hydraulic cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201982U true CN211201982U (en) | 2020-08-07 |
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ID=71862660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921986582.XU Active CN211201982U (en) | 2019-11-15 | 2019-11-15 | Liquid CO2Phase-change hydraulic cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201982U (en) |
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2019
- 2019-11-15 CN CN201921986582.XU patent/CN211201982U/en active Active
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