CN107503761A - A kind of new dregs processing system of gas cushion type mud water shield - Google Patents
A kind of new dregs processing system of gas cushion type mud water shield Download PDFInfo
- Publication number
- CN107503761A CN107503761A CN201710917220.4A CN201710917220A CN107503761A CN 107503761 A CN107503761 A CN 107503761A CN 201710917220 A CN201710917220 A CN 201710917220A CN 107503761 A CN107503761 A CN 107503761A
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- China
- Prior art keywords
- pipeline
- pulp
- particle diameter
- storehouse
- air cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000006506 Brasenia schreberi Nutrition 0.000 title claims abstract description 15
- 244000267222 Brasenia schreberi Species 0.000 title claims abstract description 15
- 239000011440 grout Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 46
- 239000002002 slurry Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 24
- 229920002472 Starch Polymers 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 235000019698 starch Nutrition 0.000 claims description 8
- 239000008107 starch Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 239000004575 stone Substances 0.000 description 29
- 239000011435 rock Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The present invention proposes a kind of new dregs processing system of gas cushion type mud water shield, to solve the problems, such as that deslagging is less efficient in the prior art, including pulp-inlet pipe road, air cushion storehouse, jaw crusher, pulp pipeline I, pulp pipeline II, current divider, overfall pipeline and plasma discharge pipeline, the front end connection air cushion storehouse on pulp-inlet pipe road, the front end in air cushion storehouse is connected with muddy water storehouse, the front end in muddy water storehouse is connected with cutterhead, the bottom in air cushion storehouse is provided with jaw crusher, the rear end in air cushion orlop portion is provided with grout outlet, grid is provided between jaw crusher and grout outlet, grout outlet is connected with pulp pipeline I, pulp pipeline I is connected with pulp pipeline II, pulp pipeline II rear end is provided with current divider, the outlet connection overfall pipeline on current divider top, the outlet connection plasma discharge pipeline of current divider bottom；The present invention not only increases drivage efficiency, moreover it is possible to reduces construction risk.
Description
Technical field
The present invention relates to slurry shield dregs processing system field, particularly relates to a kind of new dregs of gas cushion type mud water shield
Processing system.
Background technology
At present, as a large amount of constructions of domestic outer tunnel, shield machine turn into first choice, slurry shield is with its excellent pressure control
Performance processed, it is widely used in crossing river and sea and the Tunnel Engineering being had higher requirements to sedimentation.
Gas cushion type mud water shield mainly has using the dregs processing mode crushed in storehouse at present, and break process is in gas in storehouse
Rebasing portion installation jaw crusher and grid, cut the stone to get off and first pass through break process, after it is small by grid filtration, size
Can be by grid, the discharge pipe discharge after grid by the stone of particle diameter in grid, and utilize the slurry pump conveying on chassis
Handled to ground, its advantage be due to grid by particle diameter be less than slurry pump by particle diameter, therefore the stone discharged
Holddown phenomenon will not be caused, can not can be continued to crush by the jaw crusher in storehouse by the stone of grid, until stone particle diameter
Grid can be passed through.Its shortcoming be in order to protect slurry pump, the size of grid be necessarily less than slurry pump by particle diameter, due to
It is very low in the jaw crushing engine efficiency crushed in storehouse（It is per minute to crush 2-3 times）, when big particle diameter stone content in stratum
When more, a large amount of stones have little time broken and are deposited in air cushion orlop portion and block grid, and dregs can not be discharged in time, cause equipment
It can not normally tunnel, have a strong impact on efficiency of construction and construction safety.
The content of the invention
The present invention proposes a kind of new dregs processing system of gas cushion type mud water shield, solves deslagging efficiency in the prior art
The problem of relatively low.
The technical proposal of the invention is realized in this way：
A kind of new dregs processing system of gas cushion type mud water shield, including pulp-inlet pipe road, air cushion storehouse, jaw crusher, grout outlet
Road I, pulp pipeline II, current divider, overfall pipeline and plasma discharge pipeline, the front end connection air cushion storehouse on pulp-inlet pipe road, before air cushion storehouse
End is connected with muddy water storehouse, and the front end in muddy water storehouse is connected with cutterhead, and the bottom in air cushion storehouse is provided with jaw crusher, air cushion orlop portion
Rear end be provided with grout outlet, grid is provided between jaw crusher and grout outlet, grout outlet is connected with pulp pipeline I, gone out
Slurry pipeline I is connected with pulp pipeline II, and pulp pipeline II rear end is provided with current divider, the outlet connection overfall on current divider top
Pipeline, the outlet connection plasma discharge pipeline of current divider bottom.
Gear hobbing disintegrating machine is provided between pulp pipeline I and pulp the pipeline II, the outlet of gear hobbing disintegrating machine connects out
Pipeline II is starched, pulp pipeline I rear end is connected to stock inlet I and stock inlet II, and stock inlet I connection gear hobbing disintegrating machines enter
Mouthful, stock inlet II connects pulp pipeline II by plasma discharge branch pipe.
Stirring fitros case is provided between pulp pipeline I and pulp the pipeline II, the outlet of stirring fitros case connects out
Pipeline II is starched, pulp pipeline I rear end is connected to stock inlet I and stock inlet II, and stock inlet I connections stirring fitros case enters
Mouthful, stock inlet II connects pulp pipeline II by plasma discharge branch pipe, is provided with agitating shaft in the stirring fitros case, stirs axis connection
Motor, filter is provided between agitating shaft and plasma discharge branch pipe.
Reflux pump is provided with the overfall pipeline, slurry pump is provided with the plasma discharge pipeline.
The maximum maximum for being more than slurry pump by particle diameter of the grid is less than by particle diameter, the maximum of grid by particle diameter
The internal diameter of plasma discharge pipeline.
The maximum of the gear hobbing disintegrating machine crushes particle diameter and gone out more than the maximum of grid by particle diameter, the maximum of gear hobbing disintegrating machine
The maximum that material particle diameter is less than slurry pump passes through particle diameter.
The maximum maximum for being less than slurry pump by particle diameter of the stirring fitros case passes through particle diameter.
The present invention increases hobbing-type disintegrating machine or stirring fitros case, current divider by amplifying grid maximum by particle diameter
The stagnant row in air cushion orlop portion is reduced with reflux pump etc., the dregs of excavation is quickly discharged out of air cushion storehouse, improves drivage efficiency；One
Aspect amplification grid can increase air cushion orlop portion's ratchel without the broken probability to be expelled directly out by particle diameter, reduce stone
The accumulation of block；On the other hand being returned part plasma discharge slurries using reflux pump on chassis increases circulation flow in shield body in shield body
And then improve the speed of stone discharge, while using the gear hobbing disintegrating machine on chassis the stone of discharge is carried out it is broken again or
Stirring fitros case is filtered again to stone, is effectively prevented the ratchel of discharge from blocking slurry pump, is reduced construction risk.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is Fig. 1 partial enlarged drawing I；
Fig. 3 is the structural representation of the embodiment of the present invention 2；
Fig. 4 is Fig. 3 partial enlarged drawing II；
Fig. 5 is Fig. 4 left view；
Fig. 6 is Fig. 3 partial enlarged drawing III；
Fig. 7 is Fig. 6 left view.
In figure：1st, jaw crusher 2, grid 3, stock inlet I 4, stock inlet II 5, gear hobbing disintegrating machine 6, stir
Mix fitros case 7, current divider 8, reflux pump 9, slurry pump 10, air cushion storehouse 11, muddy water storehouse 12, cutterhead 13, enter
Slurry pipeline 14, plasma discharge pipeline 15, pulp pipeline I 16, overfall pipeline 17, crushed stone 18, plasma discharge branch pipe 19, go out
Starch pipeline II 20, grout outlet 61, motor 62, agitating shaft 63, filter.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
As shown in Fig. 1-2, the embodiments of the invention provide a kind of new dregs processing system of gas cushion type mud water shield, including enter
Starch pipeline 13, air cushion storehouse 10, jaw crusher 1, pulp pipeline I15, pulp pipeline II19, current divider 7, overfall pipeline 16 and row
Pipeline 14 is starched, the front end connection air cushion storehouse 10 on pulp-inlet pipe road 13, the front end in air cushion storehouse 10 is connected with muddy water storehouse 11, muddy water storehouse 11
Front end is connected with cutterhead 12, and the bottom in air cushion storehouse 10 is provided with jaw crusher 1, and the rear end of the bottom of air cushion storehouse 10 is provided with pulp
Mouth 20, is provided with grid 2, grout outlet 20 is connected with pulp pipeline I15, pulp pipeline between jaw crusher 1 and grout outlet 20
I15 is connected with pulp pipeline II19, and pulp pipeline II19 rear end is provided with current divider 7, and the outlet on the top of current divider 7 connects back to
Starch pipeline 16, the outlet connection plasma discharge pipeline 14 of the bottom of current divider 7.
Gear hobbing disintegrating machine 5, the outlet of gear hobbing disintegrating machine 5 are provided between pulp pipeline I15 and pulp the pipeline II19
Pulp pipeline II19 is connected, pulp pipeline I15 rear end is connected to stock inlet I3 and stock inlet II4, stock inlet I3 connections
The import of gear hobbing disintegrating machine 5, stock inlet II4 connect pulp pipeline II19 by plasma discharge branch pipe 18.
Reflux pump 8 is provided with the overfall pipeline 16, slurry pump 9 is provided with the plasma discharge pipeline 14.
The maximum maximum for being more than slurry pump 9 by particle diameter of the grid 2 passes through particle diameter by particle diameter, the maximum of grid 2
Less than the internal diameter of plasma discharge pipeline 14.
The maximum of the gear hobbing disintegrating machine 5 crushes particle diameter and is more than the maximum by particle diameter of grid 2, and gear hobbing disintegrating machine 5 is most
The maximum that big discharging particle diameter is less than slurry pump 9 passes through particle diameter.
Use this embodiment, the use of this embodiment when being tunneled in and stratum that rock particle diameter is larger more in rock content
The processing mode of " being crushed again outside precrushing filtering+storehouse in storehouse ", the bulk rock cut using jaw crusher 1 cutterhead 12
Stone carries out precrushing, and grid 2 is less than after broken and is mixed into by the stone of particle diameter in mud by pulp pipeline I15 band outlets
Storehouse is padded, can be trapped at jaw crusher 1 by the stone of particle diameter more than grid 2 and continue to crush, closes valve at stock inlet II4
Door, valve at stock inlet I3 is opened, the stone for taking air cushion storehouse 10 out of is transported to progress at gear hobbing disintegrating machine 5 by upper feeding mouth
Crush again, the stone after crushing again enters current divider 7 with mud along pulp pipeline II19, and the mud on the top of current divider 7 exists
Air cushion storehouse 10 is returned to along overfall pipeline 16 to reuse, reduce and waste, the rubble of the bottom of current divider 7 exists in the presence of reflux pump 8
Ground is transported in the presence of slurry pump 9 along plasma discharge pipeline 14 to be handled；Stone contents are less and when particle diameter is little, stock inlet
Opened at II4, valve is closed at stock inlet I3, and mud directly enters along pulp pipeline I15, plasma discharge branch pipe 18, pulp pipeline II19
Enter current divider 7, rubble is transported to floor treatment along plasma discharge pipeline after separation, and mud returns to air cushion storehouse 10 and reused.
The present invention in storehouse crush on the basis of, by amplify grid by particle diameter come increase stone in storehouse be discharged it is general
Rate, stone is prevented to be deposited in air cushion orlop portion and block grid, the present invention increases gear hobbing disintegrating machine on chassis and is more than to discharge
Slurry pump is crushed again by the stone of particle diameter, prevents ratchel from blocking slurry pump.
Embodiment 2
As shown in Fig. 3-7, stirring fitros case 6 is provided between pulp pipeline I15 and pulp the pipeline II19, stirs fitros
The outlet connection pulp pipeline II19 of case 6, pulp pipeline I15 rear end is connected to stock inlet I3 and stock inlet II4, enters slurry
The import of mouth I3 connection stirring fitros case 6, stock inlet II4 pass through plasma discharge branch pipe 18 and connect pulp pipeline II19, the stirring filter
Agitating shaft 62 is provided with stone case 6, agitating shaft 62 connects motor 61, filter is provided between agitating shaft 62 and plasma discharge branch pipe 18
63。
The maximum maximum for being less than slurry pump 9 by particle diameter of the stirring fitros case 6 passes through particle diameter.
The other structures of the present embodiment are the same as embodiment 1.
When being tunneled in the few stratum of less in rock content and big particle diameter stone content, used from cost-effective angle
This embodiment, this embodiment uses the processing mode of " being refiltered in storehouse outside precrushing filtering+storehouse ", right using jaw crusher 1
The large rock mass that cutterhead 12 is cut carries out precrushing, broken to be mixed into mud by the stone of particle diameter less than grid 2 afterwards
In air cushion storehouse taken out of by pulp pipeline I15, can be trapped at jaw crusher 1 and continued by the stone of particle diameter more than grid 2
It is broken, valve at stock inlet II4 is closed, opens valve at stock inlet I3, the stone for taking air cushion storehouse 10 out of passes through upper feeding mouth
It is transported in stirring fitros case 6, the agitating shaft 62 in stirring fitros case 6 rotates at a high speed under the drive of motor 61, and particle diameter is larger
Stone is worn only filter 63 and stayed in stirring fitros case 6, and the less stone of particle diameter is through filter 63 with mud along grout outlet
Road II19 enters current divider 7, and the mud on the top of current divider 7 returns to air cushion storehouse 10 in the presence of reflux pump 8 along overfall pipeline 16
Recycling, reduces and wastes, and the rubble of the bottom of current divider 7 is transported to ground along plasma discharge pipeline 14 in the presence of slurry pump 9 and entered
Row processing.
Present invention increase stirring fitros case being filtered more than slurry pump by the stone of particle diameter to discharge on chassis,
It is allowed to stay in stirring fitros case, prevents ratchel from blocking slurry pump.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
- A kind of 1. new dregs processing system of gas cushion type mud water shield, it is characterised in that：Including pulp-inlet pipe road（13）, air cushion storehouse （10）, jaw crusher（1）, pulp pipeline I（15）, pulp pipeline II（19）, current divider（7）, overfall pipeline（16）And plasma discharge Pipeline（14）, pulp-inlet pipe road（13）Front end connection air cushion storehouse（10）, air cushion storehouse（10）Front end be connected with muddy water storehouse（11）, mud Sump（11）Front end be connected with cutterhead（12）, air cushion storehouse（10）Bottom be provided with jaw crusher（1）, air cushion storehouse（10）Bottom The rear end in portion is provided with grout outlet（20）, jaw crusher（1）And grout outlet（20）Between be provided with grid（2）, grout outlet （20）It is connected with pulp pipeline I（15）, pulp pipeline I（15）It is connected with pulp pipeline II（19）, pulp pipeline II（19）After End is provided with current divider（7）, current divider（7）The outlet connection overfall pipeline on top（16）, current divider（7）The outlet connection of bottom Plasma discharge pipeline（14）.
- A kind of 2. new dregs processing system of gas cushion type mud water shield according to claim 1, it is characterised in that：It is described go out Starch pipeline I（15）With pulp pipeline II（19）Between be provided with gear hobbing disintegrating machine（5）, gear hobbing disintegrating machine（5）Outlet connect out Starch pipeline II（19）, pulp pipeline I（15）Rear end be connected to stock inlet I（3）With stock inlet II（4）, stock inlet I（3） Connect gear hobbing disintegrating machine（5）Import, stock inlet II（4）Pass through plasma discharge branch pipe（18）Connect pulp pipeline II（19）.
- A kind of 3. new dregs processing system of gas cushion type mud water shield according to claim 1, it is characterised in that：It is described go out Starch pipeline I（15）With pulp pipeline II（19）Between be provided with stirring fitros case（6）, stir fitros case（6）Outlet connect out Starch pipeline II（19）, pulp pipeline I（15）Rear end be connected to stock inlet I（3）With stock inlet II（4）, stock inlet I（3） Connection stirring fitros case（6）Import, stock inlet II（4）Pass through plasma discharge branch pipe（18）Connect pulp pipeline II（19）, it is described to stir Mix fitros case（6）Inside it is provided with agitating shaft（62）, agitating shaft（62）Connect motor（61）, agitating shaft（62）With plasma discharge branch pipe（18） Between be provided with filter（63）.
- A kind of 4. new dregs processing system of gas cushion type mud water shield according to claim 1, it is characterised in that：Described time Starch pipeline（16）On be provided with reflux pump（8）, the plasma discharge pipeline（14）On be provided with slurry pump（9）.
- A kind of 5. new dregs processing system of gas cushion type mud water shield according to claim 1, it is characterised in that：The lattice Grid（2）Maximum slurry pump is more than by particle diameter（9）Maximum pass through particle diameter, grid（2）Maximum plasma discharge is less than by particle diameter Pipeline（14）Internal diameter.
- A kind of 6. new dregs processing system of gas cushion type mud water shield according to claim 2, it is characterised in that：The rolling Tooth disintegrating machine（5）Maximum crush particle diameter be more than grid（2）Maximum pass through particle diameter, gear hobbing disintegrating machine（5）Maximum discharging grain Footpath is less than slurry pump（9）Maximum pass through particle diameter.
- A kind of 7. new dregs processing system of gas cushion type mud water shield according to claim 3, it is characterised in that：It is described to stir Mix fitros case（6）Maximum slurry pump is less than by particle diameter（9）Maximum pass through particle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917220.4A CN107503761B (en) | 2017-09-30 | Novel dregs processing system of air cushion type slurry shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917220.4A CN107503761B (en) | 2017-09-30 | Novel dregs processing system of air cushion type slurry shield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107503761A true CN107503761A (en) | 2017-12-22 |
| CN107503761B CN107503761B (en) | 2024-04-26 |
Family
ID=
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209404A (en) * | 2018-11-28 | 2019-01-15 | 中铁隧道局集团有限公司 | Shield machine muddy water circulation system |
| CN109653757A (en) * | 2018-11-20 | 2019-04-19 | 中铁工程装备集团有限公司 | It is a kind of for high hydraulic pressure, the super big diameter mud water balance shield machine of broken formation |
| CN110130915A (en) * | 2019-06-05 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of air-cushion type Direct-type pressure balance control system and its dredging method |
| CN111485898A (en) * | 2020-05-15 | 2020-08-04 | 上海隧道工程有限公司 | Variable-diameter type grating device |
| CN111841736A (en) * | 2020-07-24 | 2020-10-30 | 中铁工程装备集团有限公司 | A kind of breaker |
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
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| CN202325527U (en) * | 2011-12-09 | 2012-07-11 | 中铁隧道装备制造有限公司 | Slurry shield mud conveying device |
| CN102704941A (en) * | 2012-06-29 | 2012-10-03 | 中国铁建重工集团有限公司 | Slurry shield stone-crushing device |
| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN104959183A (en) * | 2015-07-17 | 2015-10-07 | 中国铁建重工集团有限公司 | Muddy water circulation and stone crushing method for shield tunneling machine |
| CN106996295A (en) * | 2017-05-10 | 2017-08-01 | 中铁隧道股份有限公司 | Slurry balance shield mud circulating system and slurry balance shield |
| CN207229116U (en) * | 2017-09-30 | 2018-04-13 | 中铁工程装备集团有限公司 | A kind of new dregs processing system of gas cushion type mud water shield |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202325527U (en) * | 2011-12-09 | 2012-07-11 | 中铁隧道装备制造有限公司 | Slurry shield mud conveying device |
| CN102704941A (en) * | 2012-06-29 | 2012-10-03 | 中国铁建重工集团有限公司 | Slurry shield stone-crushing device |
| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN104959183A (en) * | 2015-07-17 | 2015-10-07 | 中国铁建重工集团有限公司 | Muddy water circulation and stone crushing method for shield tunneling machine |
| CN106996295A (en) * | 2017-05-10 | 2017-08-01 | 中铁隧道股份有限公司 | Slurry balance shield mud circulating system and slurry balance shield |
| CN207229116U (en) * | 2017-09-30 | 2018-04-13 | 中铁工程装备集团有限公司 | A kind of new dregs processing system of gas cushion type mud water shield |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653757A (en) * | 2018-11-20 | 2019-04-19 | 中铁工程装备集团有限公司 | It is a kind of for high hydraulic pressure, the super big diameter mud water balance shield machine of broken formation |
| CN109209404A (en) * | 2018-11-28 | 2019-01-15 | 中铁隧道局集团有限公司 | Shield machine muddy water circulation system |
| CN110130915A (en) * | 2019-06-05 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of air-cushion type Direct-type pressure balance control system and its dredging method |
| CN110130915B (en) * | 2019-06-05 | 2024-03-29 | 中铁工程装备集团有限公司 | Air cushion type direct pressure balance control system and dredging method thereof |
| CN111485898A (en) * | 2020-05-15 | 2020-08-04 | 上海隧道工程有限公司 | Variable-diameter type grating device |
| CN111485898B (en) * | 2020-05-15 | 2022-06-28 | 上海隧道工程有限公司 | Variable-diameter type grating device |
| CN111841736A (en) * | 2020-07-24 | 2020-10-30 | 中铁工程装备集团有限公司 | A kind of breaker |
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
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