CN110410093A - A kind of high pressure water cavitation broken rock TBM and its construction method - Google Patents
A kind of high pressure water cavitation broken rock TBM and its construction method Download PDFInfo
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- CN110410093A CN110410093A CN201910819612.6A CN201910819612A CN110410093A CN 110410093 A CN110410093 A CN 110410093A CN 201910819612 A CN201910819612 A CN 201910819612A CN 110410093 A CN110410093 A CN 110410093A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 239000011435 rock Substances 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 59
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 abstract description 5
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 210000003934 vacuole Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1066—Making by using boring or cutting machines with fluid jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of high pressure water cavitation broken rock TBM and its construction methods.The present invention includes host, and the front end of the host is equipped with cutterhead, and cutterhead is equipped with pulse cavitation nozzle, and pulse cavitation nozzle is connected with high pressure water system, and the rear portion of cutterhead is connected with vacuum sewage system.The cutterhead is connected with the main driving being arranged in inside host, and the front end face of cutterhead is equipped with slag inlet, and the rear portion of cutterhead is equipped with muddy water cabin, and the lower part in muddy water cabin is equipped with slag notch, and slag notch is connected with vacuum sewage system.The multiple pulse cavitation nozzles of cutterhead reasonable Arrangement of the present invention, high pressure water form cavitating water jet after passing through cavitating nozzle, and direct erosion fractured rock realizes tunneling boring pure water broken rock, improves efficiency of breaking rock, reduces construction risk.The disclosure uses contactless broken rock, can effectively reduce main driving torque and gross thrust, reduce main driving power, while reducing TBM vibration, reduces tool wear and replacement.
Description
Technical field
The present invention relates to technical field of tunnel construction, a kind of high pressure water cavitation broken rock TBM and its construction method are particularly related to.
Background technique
TBM driving is commonly used in long range mountain tunnel mechanized construction, TBM mostly uses hobboing cutter to apply rock at present
It presses, roll, splitting, mill effect, achieving the purpose that broken rock.Fragmented rock is scraped by cutterhead scraper bowl into belt conveyor, belt conveyor
Fragmented rock is transported in transport locomotive or on the continuous belt conveyer of rear portion linking by machine, is transported to outside hole, and pick is completed
Into process.When encountering hard rock in driving, hob abrasion is serious, and tool changing is frequent, seriously affects drivage efficiency.
Based on such reason, a variety of auxiliary rock measures are proposed, improve drivage efficiency, reduce tool wear, such as high pressure water
Auxiliary rock.High pressure water auxiliary rock at present generallys use high-pressure water and combines that carry out auxiliary broken with hobboing cutter, roller bit etc.
Rock, though the efficiency of breaking rock effectively improved.But ultra-high pressure water fluid jet auxiliary rock needs super-pressure water pump, high-pressure rotary joint, superelevation
Pressure pipe road etc., system design is complicated, and risk is big, in addition it is also contemplated that with the problems such as existing TBM structure and the compatibility of construction.
Therefore the problem of presently, there are many technical problems for high pressure water auxiliary rock, while there is also reliabilities, safety.
Cavitating water jet is the water jet containing cavitation phenomenon.It is general to pass through artificially out of, nozzle comes out water jet
It induces vacuole to come into being, and moderately controls the range of the distance between jet area and target surface jet stream, vacuole is made to exist
It grows up in motion process, crumbles and fall when vacuole is with water jets impact target surface because of the effect of stagnation pressure.When bubble collapse
There is hot spot in the little space around vacuole when generating cavitation effect, i.e. bubble collapse, generate instantaneous high temperature and high pressure,
And the microjet that strong shock wave and speed are up to 100m/s or more can be formed, this extreme physics, chemical environment can draw
A variety of physics, chemical effect are played, to act on object or ambient substance, reach cleaning, cutting, broken and processing organic matter
And other effects.Therefore, cavitating water jet broken rock becomes broken rock new direction, and in the prior art, it is broken that there are no above-mentioned cavitating water jets
Rock device, therefore the pressure water cavitation broken rock TBM for developing a kind of efficient rock-breaking is necessary.
Summary of the invention
For the deficiency in above-mentioned background technique, the invention proposes a kind of high pressure water cavitation broken rock TBM and its construction parties
Method.
The technical scheme of the present invention is realized as follows: a kind of high pressure water cavitation broken rock TBM, including host, the host
Front end be equipped with cutterhead, cutterhead be equipped with pulse cavitation nozzle, pulse cavitation nozzle is connected with high pressure water system, after cutterhead
Portion is connected with vacuum sewage system.
The cutterhead is connected with the main driving being arranged in inside host, and the front end face of cutterhead is equipped with slag inlet, cutterhead
Rear portion be equipped with muddy water cabin, the lower part in muddy water cabin is equipped with slag notch, and slag notch is connected with vacuum sewage system.
The pulse cavitation nozzle is radially set in a row along cutterhead, and slag notch setting is in adjacent two rows of or four row's pulse cavitations
Between nozzle, the two sides of each pulse cavitation nozzle are equipped with wear-resistant protection block.
The high pressure water system includes high pressure water pump group, and high pressure water pump group is equipped with the first pressure duct, the first high-voltage tube
Road is connected by multichannel high-pressure rotary component with cutterhead pressure duct, one end of cutterhead pressure duct and multichannel high-pressure rotary group
Part rotation connection, the other end are connected with pulse cavitation nozzle.
The high pressure water pump group is arranged on the trailer of rear portion, and high pressure water pump group is connected with water tank or outer water tube.
The vacuum sewage system includes vacuum fluidizing device and separating device for water with dregs, and the slag input end of vacuum fluidizing device is logical
Cross that dreg inhaling pipe is corresponding with slag notch, the slag input end of vacuum fluidizing device is connected by scum pipe with separating device for water with dregs, very
Empty fluidic device is equipped with air-pressure tube, is passed through compressed air by air-pressure tube.
It further include continuous conveyor system, continuous conveyor system is located at below the slag notch of separating device for water with dregs, separating device for water with dregs
Outlet end be connected with sewage collecting box, be connected with blowoff line on sewage collecting box, blowoff line is equipped with dredge pump.
The blowoff line is equipped with filtering and purifying, and filtering and purifying is equipped with outlet pipe, outlet pipe and high pressure
Water pump group is connected.
A kind of construction method of high pressure water cavitation broken rock TBM, includes the following steps:
S1: starting high pressure water pump group adjusts the operating parameter of high pressure water pump group；
S2: main driving driving cutterhead rotation, meanwhile, under the action of high pressure water pump group, high pressure water is empty by the pulse on cutterhead
Cavitating water jet is generated after changing nozzle, moment generates high pressure and microjet, is crushed to rock；
S3: the water and disintegrating slag generated in driving flows out to cutterhead rear portion muddy water cabin region along cutterhead slag inlet and slag-drip opening, so
Afterwards under vacuum fluidizing device effect, the water of cutterhead bottom and disintegrating slag are sucked out；Compressed air is recycled to convey water and disintegrating slag
Into the separating device for water with dregs at rear；
S4: after the separation of separating device for water with dregs, disintegrating slag is fallen on continuous conveyor system for water and disintegrating slag, is conveyed through continuous conveyor system
To outside hole；Sewage discharges into sewage collecting box, then by dredge pump by outside sewage discharge to tunnel or sewage to enter filtering net
Makeup is set, and sewage enters high-pressure hydraulic pump group after filtration, purification, realizes water circulation.
The multiple pulse cavitation nozzles of cutterhead reasonable Arrangement of the present invention, high pressure water form cavitation water-jet after passing through cavitating nozzle
Stream, direct erosion fractured rock realize tunneling boring pure water broken rock, improve efficiency of breaking rock, reduce construction risk.The disclosure is using non-
Contact broken rock can effectively reduce main driving torque and gross thrust, reduce main driving power, while reduce TBM vibration, reduce
Tool wear and replacement.Using pure water broken rock free from dust, it is possible to reduce dust pelletizing system.When high pressure water cavitation broken rock, high pressure water flow
Amount is big, but hydraulic pressure is low, while in order to realize the compatibility with existing TBM structure, changing its mode of slagging tap, reducing central strap
Machine, using vacuum scarfing cinder mode, the installation for pressure duct and multichannel high-pressure rotary center provides enough spaces.The present invention is set
Count ingenious, compact-sized, cavitating water jet rock breaking efficiency is good, provides new direction, promotional value with higher for tunnel excavation.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment makees letter
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is pulse cavitation nozzle arrangement schematic diagram on cutterhead of the present invention.
Fig. 3 is cutterhead schematic side view of the present invention.
Fig. 4 is overall structure of the present invention in embodiment 3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, as shown in Figure 1, a kind of high pressure water cavitation broken rock TBM, including host 1, the front end of the host 1 are equipped with
Cutterhead 2, cutterhead 2 are equipped with several pulse cavitation nozzles 3, and pulse cavitation nozzle can be covered with cutterhead front end face and be advisable, and pulse is empty
To change nozzle 3 to be connected with high pressure water system, high pressure water is led to pulse cavitation nozzle by high pressure water system, cavitating water jet is formed,
Moment generates high pressure and microjet, and direct erosion fractured rock realizes tunneling boring pure water broken rock.The rear portion of cutterhead 2 is connected with very
Empty drainage, vacuum sewage system carry out spoil disposal pulp water, the vacuum sewerage using jetting stream vacuum blowdown apparatus as power source
System contaminant removal effectiveness is high, compact-sized, and the installation for pressure duct and multichannel high-pressure rotary center provides enough spaces.
Further, as shown in Figures 2 and 3, the cutterhead 2 is connected with the main driving 13 being arranged in inside host 1, main driving
Cutterhead rotation is driven, cutterhead rotation, pulse cavitation nozzle rotation, the cavitating water jet of generation does not stop lasing on face, real
Existing comprehensive, multi-angle efficient rock-breaking, improves efficiency of breaking rock.The front end face of cutterhead 2 is equipped with slag inlet 5, and the rear portion of cutterhead 2 is set
There is muddy water cabin 21, the lower part in muddy water cabin 21 is equipped with slag notch 6, and slag notch 6 is connected with vacuum sewage system, produces in tunneling process
Raw water and disintegrating slag enters muddy water cabin 21 through slag inlet, and then the water in muddy water cabin and disintegrating slag enter vacuum sewerage through slag notch 6
System realizes blowdown.The pulse cavitation nozzle 3 is set in a row along 1 radial direction of cutterhead, and pulse cavitation nozzle quantity is straight according to cutterhead
Diameter and nozzle area coverage determine that cutterhead linear velocity is different；Pulse cavitation nozzle quantity can also gradually increase along cutterhead diameter direction,
It is covered with cutterhead.The setting of slag notch 6 is between adjacent two rows of or four row's pulse cavitation nozzles 3, convenient for rapidly entering for water and disintegrating slag
Muddy water cabin 21.Pulse cavitation nozzle is mounted on 7 leading portion of nozzle integrated package, and nozzle integrated package is bolted at cutterhead rear portion,
TBM is easy to disassemble when tunneling, and replaces nozzle, as shown in Figure 3.The two sides of each pulse cavitation nozzle 3 are equipped with wear-resistant protection block
4, wear-resistant protection block is using wear-resisting alloy block for protecting pulse cavitation nozzle.Common cavitation spray can be used in pulse cavitation nozzle
Mouth, such as conical nozzle, Callous pad, rotating vane type or centerbody formula nozzle etc. guarantee artificially to induce in the water jet sprayed
Vacuole is nascent, and is allowed to grow up, and vanishes, and forms cavitating water jet.
Embodiment 2, as shown in Figure 1, a kind of high pressure water cavitation broken rock TBM, the high pressure water system include high pressure water pump group
8, high pressure water pump group 8 is equipped with the first pressure duct 14, and the first pressure duct 14 passes through multichannel high-pressure rotary component 12 and cutterhead
Pressure duct 2 is connected, and high pressure water enters multichannel high-pressure rotary component under the action of high pressure water pump group, through the first pressure duct
12, multichannel high-pressure rotary component is one kind of swivel joint, and high-pressure rotary center is used to transmit high pressure water to the cutterhead of rotation.Knife
One end of disk pressure duct 2 is rotatablely connected with multichannel high-pressure rotary component 12, the other end is connected with pulse cavitation nozzle 3.Institute
It states high pressure water pump group 8 to be arranged on the trailer of rear portion, high pressure water pump group 8 is connected with water tank or outer water tube, water tank or external water
Pipe provides water source to high pressure pump assembly, and backstage master control room can control the flow and pressure of high pressure water pump group by PLC.
Further, the vacuum sewage system includes vacuum fluidizing device 11 and separating device for water with dregs 15, vacuum jet dress
It sets, vacuum fluidizing device 11 is equipped with air-pressure tube 19, and the rear portion of air-pressure tube 19 is connected with air compressor machine, and vacuum fluidizing device 11 passes through
Air-pressure tube 19 is passed through compressed air, and the slag input end of vacuum fluidizing device 11 is corresponding with slag notch 6 by dreg inhaling pipe 9, and vacuum is penetrated
The slag input end of stream device 11 is connected by scum pipe 10 with separating device for water with dregs 15, i.e., is realized using compressed air high-speed jet
It vacuumizes, the water and disintegrating slag for being generated driving by more dreg inhaling pipes of cutterhead bottom are sucked out, while by scum pipe, using gas
Power conveying, pulp water is transported in the separating device for water with dregs of rear portion.The TBM of the application further includes continuous conveyor system 17, continuous belt
Machine 17 is located on rear mating trailer, and the slag input end of continuous conveyor system 17 is located at below the slag notch of separating device for water with dregs 15, pulp water
The disintegrating slag that separator 15 is isolated is fallen on continuous conveyor system, is transported to outside hole.The outlet end of separating device for water with dregs 15 connects
There is sewage collecting box 16, the sewage that separating device for water with dregs 15 is isolated enters sewage collecting box, is connected on sewage collecting box 16
Blowoff line 23, blowoff line 23 directly pass to outside hole, and blowoff line 23 is equipped with dredge pump 18, effect of the sewage in dredge pump
Under, it is drained into outside hole through blowoff line.
Embodiment 3, as shown in figure 4, a kind of high pressure water cavitation broken rock TBM, the blowoff line 19 is equipped with filtration, purification
Device 20, the sewage that filtering purifying apparatus 20 isolates separating device for water with dregs 15 are filtered purification, on filtering and purifying 20
Equipped with outlet pipe 22, outlet pipe is equipped with water pump, and outlet pipe 22 is connected with high pressure water pump group 8, filters under the action of water pump
The water of purification enters high pressure water pump group, is passed through pulse cavitation nozzle again, carries out cavitating water jet broken rock, realizes the circulation of water.
Other structures are same as Example 2.
A kind of construction method of high pressure water cavitation broken rock TBM, includes the following steps:
S1: starting high pressure water pump group adjusts the operating parameter of high pressure water pump group；
S2: main driving driving cutterhead rotation, meanwhile, under the action of high pressure water pump group, high pressure water is empty by the pulse on cutterhead
Cavitating water jet is generated after changing nozzle, moment generates high pressure and microjet, is crushed to rock；
S3: the water and disintegrating slag generated in driving flows out to cutterhead rear portion muddy water cabin region along cutterhead slag inlet and slag-drip opening, so
Afterwards under vacuum fluidizing device effect, the water of cutterhead bottom and disintegrating slag are sucked out by dreg inhaling pipe；Again by scum pipe, pressure is utilized
Contracting air by and disintegrating slag be transported in the separating device for water with dregs at rear；
S4: after the separation of separating device for water with dregs, disintegrating slag is fallen on continuous conveyor system for water and disintegrating slag, is conveyed through continuous conveyor system
To outside hole；Sewage discharges into sewage collecting box, then will be outside sewage discharge to tunnel by dredge pump.
Other structures are same as Example 2.
A kind of construction method of high pressure water cavitation broken rock TBM, includes the following steps:
S1: starting high pressure water pump group adjusts the operating parameter of high pressure water pump group；
S2: main driving driving cutterhead rotation, meanwhile, under the action of high pressure water pump group, high pressure water is empty by the pulse on cutterhead
Cavitating water jet is generated after changing nozzle, moment generates high pressure and microjet, is crushed to rock；
S3: the water and disintegrating slag generated in driving flows out to cutterhead rear portion muddy water cabin region along cutterhead slag inlet and slag-drip opening, so
Afterwards under vacuum fluidizing device effect, the water of cutterhead bottom and disintegrating slag are sucked out by dreg inhaling pipe；Again by scum pipe, pressure is utilized
Contracting air by and disintegrating slag be transported in the separating device for water with dregs at rear；
S4: after the separation of separating device for water with dregs, disintegrating slag is fallen on continuous conveyor system for water and disintegrating slag, is conveyed through continuous conveyor system
To outside hole；Sewage discharges into sewage collecting box, and then sewage enters filtering and purifying, and sewage enters height after filtration, purification
Water pump group realizes water circulation.
Other structures are same as Example 3.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of high pressure water cavitation broken rock TBM, including host (1), it is characterised in that: the front end of the host (1) is equipped with cutterhead
(2), cutterhead (2) is equipped with pulse cavitation nozzle (3), and pulse cavitation nozzle (3) is connected with high pressure water system, cutterhead (2)
Rear portion is connected with vacuum sewage system.
2. high pressure water cavitation broken rock TBM according to claim 1, it is characterised in that: the cutterhead (2) and setting are in host
(1) internal main driving (13) is connected, and the front end face of cutterhead (2) is equipped with slag inlet (5), and the rear portion of cutterhead (2) is equipped with mud
The lower part of water tank (21), muddy water cabin (21) is equipped with slag notch (6), and slag notch (6) is connected with vacuum sewage system.
3. high pressure water cavitation broken rock TBM according to claim 2, it is characterised in that: the pulse cavitation nozzle (3) is along knife
Disk (1) is radially set in a row, and between adjacent two rows of or four row's pulse cavitation nozzles (3), each pulse is empty for slag notch (6) setting
The two sides for changing nozzle (3) are equipped with wear-resistant protection block (4).
4. high pressure water cavitation broken rock TBM according to claim 1 or 2 or 3, it is characterised in that: the high pressure water system packet
It includes high pressure water pump group (8), high pressure water pump group (8) is equipped with the first pressure duct (14), and the first pressure duct (14) passes through multichannel
High-pressure rotary component (12) is connected with cutterhead pressure duct (2), one end of cutterhead pressure duct (2) and multichannel high-pressure rotary group
Part (12) rotation connection, the other end are connected with pulse cavitation nozzle (3).
5. high pressure water cavitation broken rock TBM according to claim 4, it is characterised in that: high pressure water pump group (8) setting exists
On the trailer of rear portion, high pressure water pump group (8) is connected with water tank or outer water tube.
6. according to high pressure water cavitation broken rock TBM described in Claims 2 or 3 or 5, it is characterised in that: the vacuum sewage system
Including vacuum fluidizing device (11) and separating device for water with dregs (15), the slag input end of vacuum fluidizing device (11) passes through dreg inhaling pipe (9)
Corresponding with slag notch (6), the slag input end of vacuum fluidizing device (11) passes through scum pipe (10) and separating device for water with dregs (15) phase
Connection, vacuum fluidizing device (11) are equipped with air-pressure tube (19), are passed through compressed air by air-pressure tube (19).
7. high pressure water cavitation broken rock TBM according to claim 6, it is characterised in that: further include continuous conveyor system (17), even
Continuous belt feeder (17) are located at below the slag notch of separating device for water with dregs (15), and the outlet end of separating device for water with dregs (15) is connected with useless
Water collection tank (16) is connected with blowoff line (23) on sewage collecting box (16), and blowoff line (23) is equipped with dredge pump (18).
8. high pressure water cavitation broken rock TBM according to claim 7, it is characterised in that: the blowoff line (19) is equipped with
Filtering and purifying (20), filtering and purifying (20) are equipped with outlet pipe (22), outlet pipe (22) and high pressure water pump group (8) phase
Connection.
9. a kind of construction method of high pressure water cavitation broken rock TBM as claimed in claim 1 or 8, it is characterised in that: including as follows
Step:
S1: starting high pressure water pump group adjusts the operating parameter of high pressure water pump group；
S2: main driving driving cutterhead rotation, meanwhile, under the action of high pressure water pump group, high pressure water is empty by the pulse on cutterhead
Cavitating water jet is generated after changing nozzle, moment generates high pressure and microjet, is crushed to rock；
S3: the water and disintegrating slag generated in driving flows out to cutterhead rear portion muddy water cabin region along cutterhead slag inlet and slag-drip opening, so
Afterwards under vacuum fluidizing device effect, the water in cutterhead rear portion muddy water cabin region and disintegrating slag are sucked out；Recycle compressed air by water
It is transported in the separating device for water with dregs at rear with disintegrating slag；
S4: after the separation of separating device for water with dregs, disintegrating slag is fallen on continuous conveyor system for water and disintegrating slag, is conveyed through continuous conveyor system
To outside hole；Sewage discharges into sewage collecting box, then by dredge pump by outside sewage discharge to tunnel or sewage to enter filtering net
Makeup is set, and sewage enters high-pressure hydraulic pump group after filtration, purification, realizes water circulation.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110778326A (en) * | 2019-11-08 | 2020-02-11 | 中国铁建重工集团股份有限公司 | Slurry balance push bench and slurry circulation system thereof |
| CN110924971A (en) * | 2019-11-29 | 2020-03-27 | 中铁工程装备集团有限公司 | Cavitation jet flow assisted rock breaking TBM cutter head and rock breaking method |
| CN110988979A (en) * | 2019-12-19 | 2020-04-10 | 中国地质大学（武汉） | TBM high-pressure pulse water jet rock breaking seismic source advanced detection device and method |
| CN111229418A (en) * | 2020-01-16 | 2020-06-05 | 清远元一生物科技有限公司 | Nano pearl powder slurry and preparation process thereof |
| CN111877995A (en) * | 2020-07-20 | 2020-11-03 | 南京集优智库信息技术有限公司 | Water outlet type trenching device distributed at center of main shaft of cutter head |
| CN112096395A (en) * | 2020-09-22 | 2020-12-18 | 中南大学 | Microwave and cavitation jet combined rock breaking cutter head and rock breaking method |
| CN112922617A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院武汉岩土力学研究所 | Hydraulic mechanical combined rock breaking and wastewater treatment integrated TBM system and method |
| CN113153344A (en) * | 2021-04-08 | 2021-07-23 | 江苏锐成机械有限公司 | High-level waste disposal pit tunneling system for vacuum closed deslagging |
| CN114215539A (en) * | 2021-12-13 | 2022-03-22 | 中铁工程装备集团有限公司 | High-pressure water cutter head |
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| CN110778326A (en) * | 2019-11-08 | 2020-02-11 | 中国铁建重工集团股份有限公司 | Slurry balance push bench and slurry circulation system thereof |
| CN110924971A (en) * | 2019-11-29 | 2020-03-27 | 中铁工程装备集团有限公司 | Cavitation jet flow assisted rock breaking TBM cutter head and rock breaking method |
| CN110988979A (en) * | 2019-12-19 | 2020-04-10 | 中国地质大学（武汉） | TBM high-pressure pulse water jet rock breaking seismic source advanced detection device and method |
| CN111229418A (en) * | 2020-01-16 | 2020-06-05 | 清远元一生物科技有限公司 | Nano pearl powder slurry and preparation process thereof |
| CN111229418B (en) * | 2020-01-16 | 2021-08-17 | 清远元一生物科技有限公司 | Nano pearl powder slurry and preparation process thereof |
| CN111877995A (en) * | 2020-07-20 | 2020-11-03 | 南京集优智库信息技术有限公司 | Water outlet type trenching device distributed at center of main shaft of cutter head |
| CN112096395A (en) * | 2020-09-22 | 2020-12-18 | 中南大学 | Microwave and cavitation jet combined rock breaking cutter head and rock breaking method |
| CN112922617A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院武汉岩土力学研究所 | Hydraulic mechanical combined rock breaking and wastewater treatment integrated TBM system and method |
| CN113153344A (en) * | 2021-04-08 | 2021-07-23 | 江苏锐成机械有限公司 | High-level waste disposal pit tunneling system for vacuum closed deslagging |
| CN113153344B (en) * | 2021-04-08 | 2024-05-28 | 江苏锐成机械有限公司 | High-level waste disposal pit tunneling system for vacuum airtight deslagging |
| CN114215539A (en) * | 2021-12-13 | 2022-03-22 | 中铁工程装备集团有限公司 | High-pressure water cutter head |
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