CN110389137A - Microwave rock fragmenting experimental rig - Google Patents
Microwave rock fragmenting experimental rig Download PDFInfo
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- CN110389137A CN110389137A CN201910785484.8A CN201910785484A CN110389137A CN 110389137 A CN110389137 A CN 110389137A CN 201910785484 A CN201910785484 A CN 201910785484A CN 110389137 A CN110389137 A CN 110389137A
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- 239000011435 rock Substances 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 14
- 238000005065 mining Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
The invention discloses a kind of microwave rock fragmenting experimental rigs, it includes casing, microwave generator, guided wave path, inhales wave system system and cooling system；It is equipped with partition in casing and is separated out independent heating chamber in inner cavity, the cavity wall of heating chamber is equipped with multiple feedback wave mouths；The complete setting of microwave generator and guided wave path, quantity and the quantity of feedback wave mouth match, and the one end in guided wave path is connected with microwave generator, the other end extends to corresponding feedback wave mouth, and guided wave path is externally provided with power meter；Inhaling wave system system includes water load, and water load is set to the outer energy to absorb microwave reflection of waveguide assemblies；Cooling system is set in shell, heating chamber perimeter.In use, being put into rock sample, microwave generator is opened, various rock samples are applicable in.The microwave of generation, which reaches rock sample through guided wave path, makes its rupture, and power meter tests the microwave energy that rock sample absorbs, and inhales wave system system and absorbs the energy of microwave reflection, while opening heat in cooling system discharge casing, improves test reliability.
Description
Technical field
The invention belongs to dig up mine and geotechnical engineering test equipment technical field, tests and fill more particularly to a kind of microwave rock fragmenting
It sets.
Background technique
In mining and geotechnical engineering, especially metallic ore hard rock mining field seeks new rock breaking method and realizes ore body
It is domestic and international mining industry circle and the target that engineering circles are pursued always that one step, which is continuously exploited,.In coal mining, all kinds of continuous coal minings
The continuous exploitation of soft rock has successfully been realized in the application of machine.And in metallic ore hard rock mining, conventional blast method and mechanical rock breaking method
Leading position is still occupied in rock breaking method, reaches 90% or more.Although blasting procedure has in large-scale catalase engineering
It is high-efficient, the advantages such as technology maturation, at present and in the future will long-term existence, but this method is big to rock mass perturbation action, construction
The disadvantages of precision is low, and surrounding rock supporting is difficult and there are biggish operation safety hidden danger.Therefore, mechanical rock breaking method is in recent years
It is rapidly developed, high performance hard rock cutting cutter and cutting equipment obtain domestic and international extensive concern.
But for the mechanical system broken rock of hard rock, either cuts, rush chisel, roll the still different broken rock side such as grinding
Method and technology, when encountering hardness and the higher rock of compression strength, tool wear is big, and maintenance capacity is big, causes at high cost and efficiency
It is low.Therefore, some new technologies are introduced into mechanical rock breaking system, implementing mechanical and supplementary mode combined-breaking rock becomes current
Effective technological approaches is generally acknowledged, such as water jet auxiliary mechanical rock breaking, microwave-assisted mechanical rock breaking and liquid titanium dioxide
The novel auxiliary breaking technique for rock such as carbon, laser, plasma.Wherein, microwave is due to having heating to be not required to medium heat-transfer, heating rate
Fastly, the features such as penetrability is strong, process is easily controllable becomes a kind of important auxiliary rock means.
Microwave is applied to mineral eighties of last century 60, the seventies in mining and metallurgy field earliest and processes, including microwave-assisted ore dressing,
It grinds and purifies and microwave is to the reaction mechanism of ore.Since the beginning of this century, Canadian McGill University, section, U.S. roller
The related scientific research institutes such as more mining institutes, Ao Ben mining industry university, Austria and domestic Xi'an Technology University, Northeastern University successively opens
The research of microwave-assisted mechanical rock breaking is opened up.Since microwave heating has the characteristics that selectivity, for microwave to rock material
The role and influence mechanism of the physical mechanics of medium is one of basic research content of microwave-assisted mechanical rock breaking.
But the microwave rock fragmenting mechanism study carried out both at home and abroad at present mostly uses regular industrial micro-wave oven to carry out experiment, very
To being household microwave oven, functions of the equipments are single, are not able to satisfy the related request of test, and the reliability of test result is lower.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, provides a kind of applied widely, test reliability
High microwave rock fragmenting experimental rig.
Microwave rock fragmenting experimental rig provided by the invention, it includes casing, microwave generator, guided wave path, inhales wave system system
And cooling system；It is equipped with partition in casing and is separated out independent heating chamber in inner cavity, the cavity wall of heating chamber is equipped with multiple feedback waves
Mouthful；The complete setting of microwave generator and guided wave path, quantity and the quantity of feedback wave mouth match, the one end in guided wave path and microwave
Generator is connected, the other end extends to corresponding feedback wave mouth, and guided wave path is externally provided with power meter；Inhaling wave system system includes water load, water
Load is set to the outer energy to absorb microwave reflection of waveguide assemblies；Cooling system is set in shell, heating chamber outside area
Domain.
Microwave counter current in order to prevent, the guided wave path includes waveguide and circulator；Waveguide includes vertical section and water
Flat section, the upper end of vertical section is connected with the bottom end of circulator, the end of horizontal segment passes through feedback wave mouth and extends in the heating chamber, ring
The top of shape device is connected with microwave generator.
In order to improve system stability, three pins are externally provided in the vertical section of the waveguide, three pins are located at power meter
Lower section.
Preferably, the suction wave system system further includes water pump and water tank, water load is equipped with inlet and outlet, water pump
Water in water tank is pumped into after water inlet and is back in water tank from water outlet.
For the ease of heat dissipation, two exhaust outlets are equipped at the top of the casing, an exhaust outlet is connected to the heating chamber, separately
One exhaust outlet is located at the top of microwave generator；The cooling system includes several axial flow blowers, and each axial flow blower assembles respectively
In in corresponding air port.
In a specific embodiment, the heating chamber is six prismatics chamber, and bottom is equipped with pallet；The feedback wave mouth
There are three, it is divided into the top surface and two sides of heating chamber, presents wave mouth to positive pallet.
For the ease of monitoring, tray supporter is equipped in the bottom of the heating chamber and drives the motor of tray supporter rotation,
The pallet is located on tray supporter.
Preferably, corresponding heating cavity region is equipped with chamber door outside the casing, sealing is equipped between chamber door and heating chamber
Circle.
For the ease of real-time monitoring, corresponding heating cavity region is equipped with observation window on the housing, is equipped with and uses at observation window
In the image capture module and temperature collecting module that carry out data acquisition to rock sample.
Preferably, the microwave generator and guided wave path have three sets, microwave generator is magnetron.
In the use of the present invention, rock sample is put into heating chamber, microwave generator is opened, sizes can be heated
It is applied widely with the rock sample of shape.The microwave that microwave generator generates after opening is passed by guided wave path by presenting wave oral instructions
It can make its rupture to rock sample, the microwave energy that rock sample absorbs should be tested by power meter in the process, it is anti-by inhaling wave system system absorption
The energy of microwave is penetrated to improve the stability of system, while opening heat in cooling system work discharge casing, improves test
Reliability provides support for damage of the rock under microwave irradiation and failure mechanism research.Each magnetic microwave generator can be independent
Being applied in combination for each feedback wave mouth can be realized in opening and closing, so as to realize the combination of multidirectional or unidirectional feedback wave.
Detailed description of the invention
Fig. 1 is the axonometric schematic diagram of a preferred embodiment of the invention.(splitting casing side)
Fig. 2 is the axonometric schematic diagram of another angle of this preferred embodiment.(splitting casing two sides)
Fig. 3 is the main view enlarged diagram of heating chamber in this preferred embodiment.
Fig. 4 is the enlarged diagram in Fig. 2 at C.
Fig. 5 is the enlarged diagram in Fig. 2 at D.
Fig. 6 is the enlarged diagram in Fig. 2 at E.
Illustrate serial number:
1-casing, 11-heating chambers, 12-chamber doors, 13-sealing rings, 14-pallets, 15-tray supporters, 16-electricity
Machine, 17-feedback wave mouths, 18-air ports；
2-microwave generators；
3-waveguides, 31-circulators, 32-waveguides；
4-power meters；
5-inhale wave system system, 51-water loads, 52-water pumps, 53-water tanks；
6-microwave power supplys；
7-three pins；
8-axial flow blowers.
Specific embodiment
As shown in Figure 1 and Figure 2, this microwave rock fragmenting experimental rig disclosed in the present embodiment, including casing 1, microwave generator
2, guided wave path 3, power meter 4, suction wave system system 5 and cooling system.
Casing 1 is cuboid-type shell.It is equipped with partition in casing and is separated out independent heating chamber 11 in the lumen, on casing
Chamber door 12 equipped with closing heating chamber, and be provided with sealing ring 13 between chamber door and the cavity of heating chamber and leak to prevent microwave.
As shown in figure 3, heating chamber 11 is six prismatics chamber；Its bottom is equipped with pallet 14, tray supporter 15 and motor 16, and tray center is pre-
There are through-holes temperature transducers such as access thermocouple when needing to test rock mass internal temperature to test；The bottom end of tray supporter with
The output shaft of motor is connected, and pallet is placed on tray supporter, and the rotation of motor rotate driving tray supporter enables the rock sample on pallet
Enough rotations, consequently facilitating carrying out real-time monitoring during applying microwave and test；It is all provided on its top surface and two adjacent side walls
There is feedback wave mouth 17, three feedback wave mouths towards the center of pallet, are presented wave mouth and are connected to waveguide 3 to issue microwave generator
Microwave energy delivery to rock sample on；Its outer wall is equipped with observation window, is equipped with image capture module and temperature collecting module at observation window,
Image capture module selects the intracavitary interior monitoring camera and matched computer of Haikang company production, for rock sample in microwave heating
The real-time acquisition of image data in journey, temperature collecting module select thermal imaging system, are used for rock sample temperature in microwave heating process
The real-time acquisition of data.
Microwave generator 2 selects air-cooled magnetron, and each magnetron output power is electrodeless adjustable in range ability, by microwave
The electric energy that power supply provides is converted to microwave energy；Guided wave path 3 includes circulator 31 and waveguide 32, and waveguide 3 is designed as L-type,
Including vertical section and horizontal segment, the top of vertical section is connected with circulator, and the end of horizontal segment is connected with feedback wave mouth, guided wave path
It is connected with its circulator with microwave generator；Microwave is transferred on rock sample by waveguide from microwave generator, and circulator is for hindering
Only reversed microwave returns to magnetron.Wave system collar-shaped device under unified central planning will be inhaled in actual use to use, as shown in figure 4, inhaling wave system system 5
Including water load 51, water pump 52 and water tank 53, water load is set side by side in pairs with circulator, and water inlet and water outlet are set in water load
Mouthful, the water in water tank is pumped into water load by water pump from water inlet, after the backward power in water load in water absorption circulator certainly
Water outlet is back in water tank.
When implementing by microwave generator 2, guided wave path 3, power meter 4 and suction wave system 5 complete settings of system, due to presenting wave mouth
There are three 17, therefore there are three sets of systems, and independent microwave power supply 6 is to each set system power supply there are three settings, so that three magnetic
Keyholed back plate can be independently opened and closed, and being applied in combination for each feedback wave mouth can be realized, so as to realize the group of multidirectional or unidirectional feedback wave
It closes.
As shown in Fig. 2, Fig. 5, power meter 4 is set to when in use outside the waveguide of 31 lower section of circulator, for real-time
The forward and reverse power of microwave is monitored, rock sample actual absorption how many microwave energy are calculated；As shown in Fig. 2, Fig. 6, and in waveguide external work
Three pins 7 are arranged in the lower section of rate meter, for adjusting reflection power, so that systematic reflection power is reached minimum value, improve system and stablize
Property.
Cooling system is divided into heating chamber cooling system and inner cavity cooling system；When implementation, two rows are equipped at the top of casing 1
Air port 18, an exhaust outlet are connected to heating chamber, and another exhaust outlet is located at the top of microwave generator, and axis stream is arranged in each air port
Blower 8 constitutes cooling system.Heat of the inner cavity cooling system to exclude the generation of the components such as route and magnetron；Heating chamber dissipates
Hot systems maintain equipment stable operation to reduce the temperature in heating cavity.
Rock sample is put into heating chamber by the present embodiment when coming into operation, and is opened microwave generator, can be heated more
The rock sample of kind size and shape, it is applied widely.The microwave that microwave generator generates after opening passes through feedback wave by guided wave path
Oral instructions, which are handed to rock sample, can make its rupture, should test the microwave energy that rock sample absorbs by power meter in the process, anti-by circulator
Only microwave counter current absorbs the energy of microwave reflection in circulator to improve the steady of system into magnetron, and using wave system system is inhaled
It is qualitative, and further adjusting reflection power by three pins makes the reflection power of system reach minimum value, further increases system
Stability；Heat in cooling system work discharge casing is opened simultaneously, improves test reliability, is rock under microwave irradiation
Damage and failure mechanism research offer support.
Intelligent for the ease of realizing, liquid crystal touch control screen A and control switch B can also be arranged in the present embodiment outside casing,
It includes microwave module, top control module and monitoring module that configuration software, PLC and submodule, submodule are arranged in casing.Liquid crystal touching
Control screen selects 10 inches of LED color touch screens of Mai Ge meter Te production, can carry out homepage, microwave, total by liquid crystal touch control screen
Control and monitoring module switching.PLC and submodule are purchased from Mai Ge meter Te, and microwave module can control the start and stop of microwave generator
And the watt level of progress magnetron adjusts and real-time display magnetron forward direction measures power and reverse measuremenet power；Master control
Module is to control magnetron, axial flow blower, water pump, the start and stop of motor and the heating time of setting microwave generator；Monitoring
Module closes open state, the monitoring mild magnetron temperature of Water in Water Tanks to monitor the chamber door of heating chamber, and alarms abnormal conditions；
Control switch is arranged by microwave power supply, including battery main switch, microwave power supply switch, pumping thermal switch and pump switch etc.；Group
The product of state choice of software Mai Ge meter Te producer, the software installation are connect with this equipment on computers, by USB interface, group
State software operation interface is identical as liquid crystal touch control screen A operation interface, and there are data to be stored in export function, passes through configuration software
Can flexibly, facilitate control equipment.
In specific test, by taking 150mm × 150mm × 150mm cube rock sample as an example, rock sample is placed in heating chamber
Pallet on, close chamber door, open magnetron, axial flow blower and water pump in liquid crystal touch control screen top control module, and according to test
Illumination scheme inputs heating time, prepares to open microwave generator；It is micro- in liquid crystal touch control screen according to the illumination scheme of test
Wave module selects different magnetrons and input power value, and opens microwave generator and heat to rock sample；Magnetron generates
Microwave energy be transferred to heating chamber along waveguide and directly absorbed by rock sample, and destroy its fracturing, through ring in transmission process
Shape device, power meter, the effect of three pins, during the test, can observe the destruction situation of rock sample in real time by high-definition camera,
And it is recorded, while recording the rock side surface temperature variation of face thermal infrared imager in real time by infrared thermal imager；
The microwave that rock sample does not absorb, through three pins, power meter, circulator, is finally absorbed by water load along waveguide, and power meter is real
Shi Jilu forward direction measures performance number and reverse measuremenet performance number；Monitor camera in power meter and thermal imaging system, cavity is distinguished
It is connected to computer and data collecting card, realizes the data acquisition during entire microwave rock fragmenting.
Claims (10)
1. a kind of microwave rock fragmenting experimental rig, it is characterised in that: it includes casing, microwave generator, guided wave path, inhales wave system system
And cooling system；
It is equipped with partition in casing and is separated out independent heating chamber in inner cavity, the cavity wall of heating chamber is equipped with multiple feedback wave mouths；
The complete setting of microwave generator and guided wave path, quantity and present wave mouth quantity match, the one end in guided wave path with it is micro-
Wave producer is connected, the other end extends to corresponding feedback wave mouth, and guided wave path is externally provided with power meter；
Inhaling wave system system includes water load, and water load is set to the outer energy to absorb microwave reflection of waveguide assemblies；
Cooling system is set in shell, heating chamber perimeter.
2. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: the guided wave path includes waveguide and ring
Shape device；Waveguide includes vertical section and horizontal segment, and the upper end of vertical section is connected with the bottom end of circulator, the end of horizontal segment passes through
Feedback wave mouth extends in the heating chamber, and the top of circulator is connected with microwave generator.
3. microwave rock fragmenting experimental rig as claimed in claim 2, it is characterised in that: the vertical section of the waveguide is externally provided with three
Pin, three pins are located at the lower section of power meter.
4. microwave rock fragmenting experimental rig as claimed in claim 2, it is characterised in that: the suction wave system system further includes water pump and water
Case, water load are equipped with inlet and outlet, and the water in water tank is pumped into after water inlet and is back to water tank from water outlet by water pump
It is interior.
5. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: the top of the casing is equipped with two air drafts
Mouthful, an exhaust outlet is connected to the heating chamber, and another exhaust outlet is located at the top of microwave generator；If the cooling system includes
Dry axial flow blower, each axial flow blower are assemblied in respectively in corresponding air port.
6. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: the heating chamber is six prismatics chamber,
Bottom is equipped with pallet；There are three the feedback wave mouths, is divided into the top surface and two sides of heating chamber, presents wave mouth to positive pallet.
7. microwave rock fragmenting experimental rig as claimed in claim 6, it is characterised in that: the bottom of the heating chamber is equipped with pallet branch
The motor of frame and driving tray supporter rotation, the pallet are located on tray supporter.
8. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: corresponding heating cavity region is set outside the casing
There is chamber door, sealing ring is equipped between chamber door and heating chamber.
9. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: corresponding heating cavity region is set on the casing
There is observation window, image capture module and temperature collecting module for carrying out data acquisition to rock sample are equipped at observation window.
10. microwave rock fragmenting experimental rig as described in claim 1, it is characterised in that: the microwave generator and guided wave path
There are three sets, microwave generator is magnetron.
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| CN201910785484.8A CN110389137A (en) | 2019-08-23 | 2019-08-23 | Microwave rock fragmenting experimental rig |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350504A (en) * | 2020-04-08 | 2020-06-30 | 四川大学 | On-site microwave rock breaking simulation system and simulation method |
| CN111912871A (en) * | 2020-06-11 | 2020-11-10 | 西安理工大学 | Microwave-assisted rock breaking irradiation test device and test method thereof |
| CN116148441A (en) * | 2023-02-28 | 2023-05-23 | 武汉大学 | Self-oscillation pulse liquid carbon dioxide cooperated laser rock breaking system and rock breaking method |
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