CN109488324A - The anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process - Google Patents
The anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process Download PDFInfo
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- CN109488324A CN109488324A CN201811095674.9A CN201811095674A CN109488324A CN 109488324 A CN109488324 A CN 109488324A CN 201811095674 A CN201811095674 A CN 201811095674A CN 109488324 A CN109488324 A CN 109488324A
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- mud
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- screw conveyor
- opening
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005065 mining Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 27
- 230000005641 tunneling Effects 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 230000006872 improvement Effects 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims abstract description 6
- 239000000284 extract Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 6
- 239000002893 slag Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000032258 transport Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
It gushs system the invention discloses the anti-mud of intelligence in a kind of earth pressure shield tunneling machine mining process, applied to shield machine, wherein, the dregs that screw conveyor pumps in shield machine soil storehouse is delivered to outside, opening is opened up on helical feed machine drum body, and grid is installed in the opening, for limiting the dregs partial size by the opening；Slush pump extracts the liquid part in screw conveyor in dregs by the opening, to prevent mud from gushing, and the slurry transportation collected is transported back and is recycled in the native storehouse of shield machine.The present invention can thoroughly solve screw conveyor and slag tap problem of gushing, while can also advanced optimize sediment improvement effect in native storehouse, save the dosage of modifying agent.
Description
Technical field
It gushs field the present invention relates to anti-mud in earth pressure shield tunneling machine mining process.It is more particularly related to one
The anti-mud of intelligence is gushed system in kind of earth pressure shield tunneling machine mining process.
Background technique
Balancing earth-pressure shielding machine is mixed in the dregs usually in Tu Cang and screw conveyor in highly permeable stratum is tunneled
The largely underground water with pressure and sediment improvement agent.When the unearthed gate of opening screw conveyor is slagged tap, underground water and dregs change
Moment vomits the mud being mixed into such as good dose under the effect of the pressure, that is, gushs, and shield support pressure is caused to drop, excavate suddenly
Face unstability is collapsed, and mud overflows and can not normally slag tap in ground sedimentation and tunnel extremely, and damage electric component deteriorates building ring
A series of adverse events such as border.
Summary of the invention
The present invention provides the anti-mud of intelligence in a kind of earth pressure shield tunneling machine mining process and gushs system, thoroughly solves helical feed
Machine is slagged tap problem of gushing, while can also advanced optimize sediment improvement effect in native storehouse, saves the dosage of modifying agent.
In order to achieve the goal above, the present invention provides the anti-mud of intelligence in a kind of earth pressure shield tunneling machine mining process and gushs is
System is applied to shield machine, wherein the dregs that screw conveyor pumps in shield machine soil storehouse is delivered to outside, in screw conveyor
Opening is opened up on cylinder, and grid is installed in the opening, for limiting the dregs partial size by the opening；Slush pump passes through institute
The liquid part that opening extracts dregs in screw conveyor is stated, to prevent mud from gushing, and transports the slurry transportation collected back shield
It is recycled in the native storehouse of structure machine.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, and the slush pump is successively
The opening is connected by valve A, valve B.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, further includes: controller,
Its opening and closing for controlling the slush pump, and the opening and closing of control valve A and valve B, valve C.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, further includes:
Liquid level sensor A, liquid level sensor B and liquid level sensor C, along dregs transportation direction in screw conveyor
It is sequentially distributed in screw conveyor, monitors the first liquid level, the second liquid level, the level condition of third liquid level where it respectively；
Center processing unit receives the liquid level letter of liquid level sensor A, liquid level sensor B and liquid level sensor C transmitting
Breath；
If the mud level in screw conveyor is higher than third liquid level, show danger of gushing, then center processing unit is sent out
Send instruction to controller, controller, will be in screw conveyor according to instruction starting slush pump, opening valve A, valve B and valve C
Mud transport to native storehouse, mud level to be restored is down to third liquid level hereinafter, the unearthed gate of screw conveyor can be opened
It is unearthed；
If the mud level in screw conveyor shows danger of gushing, then between the second liquid level and third liquid level
Center processing unit sends instructions to controller, and controller starts slush pump according to instruction, opens valve A, valve B and valve C,
Mud in screw conveyor is transported to native storehouse, at the same time, the unearthed gate for opening screw conveyor is unearthed；
If the mud level in screw conveyor is lower than the second liquid level, show danger of not gushing, then it is any without carrying out
Processing, remains turned-off slush pump.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, described to open in spiral shell
On the inspection cover board for revolving the middle and lower sections of conveyer.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, further includes:
Additional interface, between valve A and valve B, the additional interface accesses high pressure water/gas by shut-off valve,
Or for being passed through modifying agent, to carry out dredging slagging-off, or improvement dregs to pipeline and grid.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, the aperture of the grid
It is set as that partial size is not allowed to be more than that the dregs of 1mm passes through.
Preferably, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, and the mud of slush pump goes out
Mouth is connected to the Tu Cang of shield machine by valve C.
The present invention is include at least the following beneficial effects: the anti-mud system of gushing of the invention can thoroughly solve helical feed
Machine is slagged tap problem of gushing, while can also advanced optimize sediment improvement effect in native storehouse, saves the dosage of modifying agent.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is that intelligently anti-mud is gushed the structural schematic diagram of system in earth pressure shield tunneling machine mining process of the present invention；
Fig. 2 is that intelligently anti-mud is gushed the operation principle schematic diagram of system in earth pressure shield tunneling machine mining process of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
It gushs system, is applied to as shown in Figure 1, the present invention provides the anti-mud of intelligence in a kind of earth pressure shield tunneling machine mining process
Shield machine, wherein the dregs that screw conveyor 1 pumps in shield machine soil storehouse 2 is delivered to outside, in 1 middle and lower sections of screw conveyor
Inspection cover board 3 (or cylinder) on open up opening, and grid 4 is installed in the opening, for limiting the dregs by the opening
Partial size；The aperture of the grid 3 is set as that partial size is not allowed to be more than that the dregs of 1mm passes through.Slush pump 5 extracts spiral shell by the opening
The liquid portion of dregs in conveyer 1 is revolved, to prevent mud from gushing back, and the slurry transportation collected is transported to the native storehouse 2 of shield machine
Inside recycle.The slush pump 5 passes sequentially through valve A6, valve B 7 connects the opening.
Working principle balancing earth-pressure shielding machine tunnels on highly permeable stratum, when screw conveyor 1 is slagged tap, screw conveyor 1
The mixtures mud such as underground water, dregs fine grained, modifying agent in interior dregs, by grid suction inlet pipeline, valve A6, by aspirating
Slush pump 5 is sent into shield soil storehouse 2 along valve C 8 upwardly through the shut-off valve 14 on shifting board.On the one hand by screw conveyor
Dregs water level is down to unearthed 110 or less gate in 1, it is ensured that gushes out when slagging tap without a large amount of mud, thoroughly solves the pick of highly permeable stratum
Pass in and out the problem of gushing of slag；On the other hand, extraction is sent into native storehouse containing fine grained and the mud of sediment improvement agent, continues to join
It with sediment improvement, is recycled, save the cost reduces discharge；Big partial size and plasticity dregs part are then discharged by screw conveyor,
Also make driving slag tap measure it is more convenient, accurate.
This system is by the aperture on original inspection cover board (or cylinder) of screw conveyor middle and lower sections position, according to stratum
Grain composition configure grid suction inlet, limitation diameter 1mm or more bulky grain enter system pipeline, be configured with enough row energy-absorbing power and
More than support pressure lift without blocking mud pump, it can smoothly realize that the mud in screw conveyor dregs shunts, form mud
Lesser circulation.Ensure that screw conveyor 1 is slagged tap without gushing.
In another embodiment, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, such as Fig. 2 institute
Show, further includes: controller controls the opening and closing of the slush pump, and the opening and closing of control valve A 6 and valve B 7.Level sensing
Device A 9, liquid level sensor B 10 and liquid level sensor C 11 successively divide along dregs transportation direction in screw conveyor 1
Cloth monitors the first liquid level, the second liquid level, the level condition of third liquid level where it in screw conveyor 1 respectively；At center
Unit is managed, the liquid level information that liquid level sensor A 9, liquid level sensor B 10 and liquid level sensor C 11 are transmitted is received；If spiral shell
The mud level revolved in conveyer 1 is higher than third liquid level, shows danger of gushing, then center processing unit sends instructions to control
Device, controller transport the mud in screw conveyor according to instruction starting slush pump, opening valve A 6, valve B 7 and valve C 8
It transports in native storehouse, mud level to be restored is down to third liquid level hereinafter, the unearthed gate 110 that can open screw conveyor goes out
Soil；If the mud level in screw conveyor 1 shows danger of gushing, then center between the second liquid level and third liquid level
Processing unit sends instructions to controller, and controller is according to instruction starting slush pump, opening valve A 6, valve B 7 and valve C
8, the mud in screw conveyor is transported to native storehouse, at the same time, the unearthed gate for opening screw conveyor is unearthed；If spiral
Mud level in conveyer is lower than the second liquid level, shows danger of not gushing, then without carrying out any processing, remains turned-off mud
Stock pump 5.
Screw conveyor drive system is opened, before opening unearthed gate, system will be mounted on helical feed by detection
3 liquid level sensor states on machine, determine the operational mode of this system: 1, screw conveyor liquid level is in liquid level sensor A or B
Between or be lower than B, illustrate that dregs will not gush out, then system is not run, and opens the gate that is unearthed, screw conveyor normally goes out
Slag；2, liquid level is more than liquid level sensor C, system starting, mud suction pump automatic running, by screw conveyor in screw conveyor
Interior mud and underground water is pumped into native storehouse.Until water level can be opened unearthed lower than liquid level sensor C in screw conveyor
Gate is slagged tap.3, liquid level is between liquid level sensor C and B in screw conveyor, system starting, mud suction pump automatic running,
By in screw conveyor mud and underground water be pumped into native storehouse.Screw conveyor can continuous excavation deslagging.Systematic water level prison
The water level conditions of dregs in continuous monitoring screw conveyor, the flow of automatic adjustment pumping slurries pump are made spiral transferring by examining system
The water level in machine is sent to be controlled between liquid level sensor C-B always.
In another embodiment, the anti-mud of intelligence is gushed system in the earth pressure shield tunneling machine mining process, further includes:
Additional interface 12, between valve A 6 and valve B 7, the additional interface 12 by shut-off valve 13 access high pressure water/
Gas, or for being passed through modifying agent, to carry out dredging slagging-off, or improvement dregs to pipeline and grid.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. the anti-mud of intelligence is gushed system in a kind of earth pressure shield tunneling machine mining process, it is applied to shield machine, wherein screw conveyor
The dregs pumped in shield machine soil storehouse is delivered to outside, which is characterized in that
Opening is opened up on helical feed machine drum body, and grid is installed in the opening, for limiting the dregs by the opening
Partial size；
Slush pump extracts the liquid part in screw conveyor in dregs by the opening, to prevent mud from gushing, and will receive
The slurry transportation taken is transported back to be recycled in the native storehouse of shield machine.
2. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as described in claim 1, which is characterized in that described
Slush pump passes sequentially through valve A, valve B and connects the opening.
3. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as claimed in claim 2, which is characterized in that mud
The slurry outlet of pump is connected to the Tu Cang of shield machine by valve C.
4. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as claimed in claim 3, which is characterized in that also wrap
Include: controller controls the opening and closing of the slush pump, and the opening and closing of control valve A, valve B and valve C.
5. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as claimed in claim 4, which is characterized in that also wrap
It includes:
Liquid level sensor A, liquid level sensor B and liquid level sensor C, successively along dregs transportation direction in screw conveyor
It is distributed in screw conveyor, monitors the first liquid level, the second liquid level, the level condition of third liquid level where it respectively；
Center processing unit receives the liquid level information of liquid level sensor A, liquid level sensor B and liquid level sensor C transmitting；
If the mud level in screw conveyor is higher than third liquid level, show danger of gushing, then center processing unit transmission refers to
It enables to controller, controller is according to instruction starting slush pump, opening valve A, valve B and valve C, by the mud in screw conveyor
In transport to native storehouse, mud level to be restored is down to third liquid level hereinafter, the unearthed gate that can open screw conveyor is unearthed；
If the mud level in screw conveyor shows danger of gushing, then center between the second liquid level and third liquid level
Processing unit sends instructions to controller, and controller is according to instruction starting slush pump, opening valve A, valve B and valve C, by spiral shell
Mud in rotation conveyer is transported to native storehouse, and at the same time, the unearthed gate for opening screw conveyor is unearthed；
If the mud level in screw conveyor is lower than the second liquid level, show danger of not gushing, then without carrying out any processing,
Remain turned-off slush pump.
6. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as described in claim 1, which is characterized in that described
It opens on the inspection cover board of the middle and lower sections of screw conveyor or on cylinder.
7. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as claimed in claim 2, which is characterized in that also wrap
It includes:
Additional interface, between valve A and valve B, the additional interface accesses high pressure water/gas by shut-off valve, or logical
Enter modifying agent, to carry out dredging slagging-off, or improvement dregs to pipeline and grid.
8. the anti-mud of intelligence is gushed system in earth pressure shield tunneling machine mining process as described in claim 1, which is characterized in that described
The aperture of grid is set as that partial size is not allowed to be more than that the dregs of 1mm passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095674.9A CN109488324B (en) | 2018-09-19 | 2018-09-19 | Intelligent mud gushing prevention system in excavation process of earth pressure shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095674.9A CN109488324B (en) | 2018-09-19 | 2018-09-19 | Intelligent mud gushing prevention system in excavation process of earth pressure shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488324A true CN109488324A (en) | 2019-03-19 |
| CN109488324B CN109488324B (en) | 2021-04-02 |
Family
ID=65690670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095674.9A Active CN109488324B (en) | 2018-09-19 | 2018-09-19 | Intelligent mud gushing prevention system in excavation process of earth pressure shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488324B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344838A (en) * | 2019-08-22 | 2019-10-18 | 中国电建集团铁路建设有限公司 | A kind of earth pressure balanced shield, EPBS structure and shield method with the anti-construction of gushing of gate |
| CN110656948A (en) * | 2019-10-23 | 2020-01-07 | 中国电建集团铁路建设有限公司 | Shield tunnel soil discharge and gushing prevention device for soil bin and construction method |
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| CN207048793U (en) * | 2017-07-21 | 2018-02-27 | 中国铁建重工集团有限公司 | A kind of decompression type shield machine step by step |
| CN108442936A (en) * | 2018-05-16 | 2018-08-24 | 华东交通大学 | A kind of conveyer belt is slagged tap shield machine |
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| JPH0258697A (en) * | 1988-08-23 | 1990-02-27 | Komatsu Ltd | Hydraulic balance type force feed earth discharging shield construction method and shield excavator |
| CN204002831U (en) * | 2014-08-06 | 2014-12-10 | 宏润建设集团股份有限公司 | A kind of screw machine blowout prevention structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344838A (en) * | 2019-08-22 | 2019-10-18 | 中国电建集团铁路建设有限公司 | A kind of earth pressure balanced shield, EPBS structure and shield method with the anti-construction of gushing of gate |
| CN110344838B (en) * | 2019-08-22 | 2024-05-17 | 中电建铁路建设投资集团有限公司 | Soil pressure balance shield structure with gate blowout prevention structure and shield method |
| CN110656948A (en) * | 2019-10-23 | 2020-01-07 | 中国电建集团铁路建设有限公司 | Shield tunnel soil discharge and gushing prevention device for soil bin and construction method |
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| Publication number | Publication date |
|---|---|
| CN109488324B (en) | 2021-04-02 |
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