CN106948827B - A kind of slurry shield emergency benefit slurry circulation technology method and device - Google Patents
A kind of slurry shield emergency benefit slurry circulation technology method and device Download PDFInfo
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- CN106948827B CN106948827B CN201710229499.7A CN201710229499A CN106948827B CN 106948827 B CN106948827 B CN 106948827B CN 201710229499 A CN201710229499 A CN 201710229499A CN 106948827 B CN106948827 B CN 106948827B
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- mud
- slurry
- emergency
- shield
- mends
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- 239000002002 slurry Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 34
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 15
- 239000000440 bentonite Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000013589 supplement Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000004513 sizing Methods 0.000 claims description 17
- 238000004537 pulping Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011440 grout Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 230000008961 swelling Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 2
- 235000012216 bentonite Nutrition 0.000 description 13
- 239000000243 solution Substances 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000005641 tunneling 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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
The present invention provides a kind of slurry shield emergency to mend slurry circulation technology method and device, it is related to shield tunnel construction field, slurry part is mended including basis and emergency mends slurry part, slurry part is mended on basis will be in the new slurry transportation to size-mixing tank of new stock tank, new mud supplements shield with supply mud is mixed to form by the filtering mud with sedimentation basin, slurry part is mended on basis can satisfy the demand to mud under normal circumstances, when occurring to need a large amount of emergencies for mending slurry, construction personnel carries out emergency and mends slurry operation, it can choose by the way that the mud in sedimentation basin to be fed directly in new stock tank, mix it in new stock tank with by the bentonite of shear pump, quickly newly starched, new stock tank can not also be passed through, directly the substances such as bentonite in slurrying warehouse are reconciled, the highly concentrated mud blending transportation made of shear pump extremely supplies In pond, carry out quickly preparing cement paste to be supplemented, avoids the generation of accident.
Description
Technical field
The present invention provides a kind of slurry shield emergency to mend slurry circulation technology method and device, is related to shield tunnel construction
Field.
Background technique
Mud circulating system is an important component in shield tunnel construction, in major diameter slurry balance shield tunnel
In road, mud circulating system constantly can replace the mud in muddy water storehouse with the new slurry of preparation, while carrying dregs discharge,
Guarantee the effects of mud can play stable face, formation mud film and reinforce excavation face soil strength in muddy water storehouse.But in tunnel
In road tunneling process, the generation of emergency, such as face spillage are inevitably encountered, needs to carry out muddy water storehouse at this time a large amount of
Mud supplement, to ensure face stabilization and safety for tunnel engineering.
Summary of the invention
In order to solve problem above, the present invention provides a kind of slurry shield emergency to mend slurry circulation technology method, can
Effectively supplement mud, avoids the generation of accident.
Technical scheme is as follows: a kind of slurry shield emergency benefit slurry circulation technology method, including basis benefit slurry
Method and emergency mend paste-making method, and the key step of paste-making method is mended on the basis are as follows:
1) mud is discharged by mud circulating system from shield muddy water storehouse, is entered after mud and water separating equipment initial gross separation
Sedimentation basin；
2) mud becomes filtering mud after sedimentation tank filter, and filtering mud leaves sedimentation basin and enters size-mixing tank；
3) in the new slurry transportation to size-mixing tank of new stock tank, new mud and filtering mud are mixed to form supply mud；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
Technical solution of the present invention further include: the emergency mends the key step of paste-making method are as follows:
1) mud in sedimentation basin is directly injected into new stock tank by hydraulic fill pipeline；
2) modulation mud is mixed to get in new stock tank by the bentonite of shear pump and mud；
3) supply mud is formed in modulation mud injection size-mixing tank；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
Technical solution of the present invention further include: the emergency mends the key step of paste-making method are as follows:
1) substances such as bentonite in slurrying warehouse are reconciled, highly concentrated mud blending transportation is made to supplying by shear pump
Supply mud is formed in pond；
2) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
Technical solution of the present invention further include: the new mud is the composition of the substances such as water and bentonite.
The present invention also provides a kind of slurry shield emergency to mend slurry circulator, including sizing device is mended on basis and emergency is mended
Sizing device, it is described basis mend sizing device include sedimentation basin, the sedimentation basin be connected to the top of size-mixing tank, the size-mixing tank and newly
Stock tank is connected to the stock inlet in pulping pump pond respectively by pipeline, and adjustment device, the system pump are equipped in the pulping pump pond
The grout outlet of stock tank is connected to supply pool, the supply pool and shield muddy water circulatory system into slurry system connectivity.
Technical solution of the present invention further include: the bottom of the size-mixing tank and the adjustment device in pulping pump pond are connected by pipeline
It is logical.
Technical solution of the present invention further include: it includes the emergency mud for being mounted on sedimentation basin end that the emergency, which mends sizing device,
Pump, the emergency slush pump are connected to by hydraulic fill pipeline with new stock tank, the new stock tank by be equipped with distance mud pump pipeline and
Size-mixing tank connection, the size-mixing tank are connected to supply pool.
Technical solution of the present invention further include: the hydraulic fill pipeline is equipped with standby valve close to one end of emergency slush pump.
Technical solution of the present invention further include: it includes the slurrying warehouse for being equipped with shear pump that the emergency, which mends sizing device, described
The compositions such as bentonite are stored in slurrying warehouse, the slurrying warehouse passes through the shield slurry suction inlet position of pipeline and supply pool
Connection.
Technical solution of the present invention further include: the slurrying warehouse is connected to by pipeline with new stock tank.
The invention has the benefit that the present invention provides a kind of slurry shield emergency to mend slurry circulation technology method and dress
It sets, is divided into basis benefit slurry and emergency benefit slurry two parts, wherein basic slurry of mending partially can be with the satisfaction of safety and stability under normal circumstances
Demand to mud, when occurring to need a large amount of emergencies for mending slurry, construction personnel carries out emergency and mends slurry operation, can choose
By the way that the mud in sedimentation basin to be fed directly in new stock tank, mix it in new stock tank with the bentonite by shear pump
It closes, is quickly newly starched, directly the substances such as bentonite in slurrying warehouse can not also be reconciled, pass through shearing by new stock tank
In highly concentrated mud blending transportation to supply pool made of pumping, carrys out quickly preparing cement paste to be supplemented, avoid the generation of accident.
Detailed description of the invention
Fig. 1 is that the present invention is that slurry shield emergency mends slurry circulator Ground arrangement schematic diagram.
Wherein, 1, emergency slush pump, 2, standby valve, 3, hydraulic fill pipeline, 4, sedimentation basin, 5, size-mixing tank, 6, new stock tank,
61, distance mud pump, 7, supply pool, 8, slurrying warehouse, 81, shear pump, 9, pulping pump pond, 91, adjustment pump.
Specific embodiment
Below in conjunction with drawings and examples, the invention will be described further.
Simultaneously as only section Example described below, in the absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
A kind of slurry shield mends slurry circulator with emergency, including sizing device is mended on basis and emergency mends sizing device, the base
It includes sedimentation basin 4 that plinth, which mends sizing device, and the sedimentation basin 4 is connected to by top connection partition wall with size-mixing tank 5,5 He of size-mixing tank
New stock tank 6 is connected to the stock inlet in pulping pump pond 9 respectively by pipeline, and adjustment device is equipped in the pulping pump pond 9 as adjusted
Whole pump 81, shear pump, shield machine send stock pump etc., and the grout outlet in the pulping pump pond 9 is connected to supply pool 7, the supply pool 7 and
Shield muddy water circulatory system into slurry system connectivity.
Embodiment 1: the bottom of the size-mixing tank 5 is connected to the adjustment pump 81 in pulping pump pond 9 by pipeline, prevents from sizing mixing
The sundries on 5 surface of pond flows into pulping pump pond 9.
Embodiment 2: it includes the emergency slush pump 1 for being mounted on 4 end of sedimentation basin, the emergency mud that the emergency, which mends sizing device,
Stock pump 1 is connected to by hydraulic fill pipeline 3 with new stock tank 6, and the new stock tank 6 is by being equipped with the pipeline and size-mixing tank 5 of distance mud pump 61
Connection, the size-mixing tank 5 are connected to supply pool 7.
Embodiment 3: on the basis of embodiment 2, the hydraulic fill pipeline 3 is equipped with close to one end of emergency slush pump 1 and answers
Anxious valve 2.
Embodiment 4: it includes the slurrying warehouse 8 for being equipped with shear pump that the emergency, which mends sizing device, storage in the slurrying warehouse 8
There are the compositions such as bentonite, the slurrying warehouse 8 is connect by pipeline with the shield slurry suction inlet position of supply pool 7.
Embodiment 5: the slurrying warehouse 8 is connected to by pipeline with new stock tank 6.
Embodiment 6: mud supply under normal circumstances is the new mud by the new slurry transportation to size-mixing tank 5 of new stock tank 6
Shield is supplemented with supply mud is mixed to form by the filtering mud with sedimentation basin 4, key step are as follows:
1) mud is discharged by mud circulating system from shield muddy water storehouse, is entered after mud and water separating equipment initial gross separation
Sedimentation basin 4；
2) mud becomes filtering mud after the filtering of sedimentation basin 4, and filtering mud leaves sedimentation basin 4 and enters size-mixing tank 5；
3) in the new slurry transportation to size-mixing tank 5 of new stock tank 6, new mud and filtering mud are mixed to form supply mud；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
When emergency occurs, the combination directly by water and bentonite etc. goes to manufacture new slurry, and dosage can not meet emergency
Demand needs quickly newly to be starched at this time, and two kinds of methods of emergency are provided below.
Embodiment 7: the first emergency mends paste-making method, and logical directly by the slurry transportation in sedimentation basin 4 to new stock tank
The bentonite for crossing shear pump 81 mixes in new stock tank 6, is quickly newly starched, key step are as follows:
1) starting emergency slush pump 1, opens standby valve 2, keeps hydraulic fill pipeline 3 unimpeded, direct by emergency slush pump 1
Mud in sedimentation basin 4 is directly injected into new stock tank 6 by hydraulic fill pipeline 3, improves the repulping rate newly starched；
2) modulation mud is mixed to get in new stock tank 6 by the bentonite of shear pump 81 and mud；
3) supply mud is formed in modulation mud injection size-mixing tank 5；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
The emergency of embodiment 8: second mends paste-making method and does not pass through new stock tank 6, directly by objects such as bentonites in slurrying warehouse 8
Matter reconciles, in the highly concentrated mud blending transportation to supply pool 7 made of shear pump 81, key step are as follows:
1) start shear pump 81, the compositions such as mixing bentonite form highly concentrated mud, open the pipeline valve for leading to supply pool 7
Door, the bentonite for directly modulating shear pump 81 combine highly concentrated mud as supply mud, are delivered to the shield mud of supply pool 7
Starch suction inlet position；
2) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
Wherein, the new mud is the composition of the substances such as water and bentonite.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, all at this
Done any modifications, equivalent replacements, and improvements etc., should be included in protection scope of the present invention within the spirit and principle of invention
Within.
Claims (7)
1. a kind of slurry shield mends slurry circulation technology method with emergency, it is characterised in that: mend paste-making method including basis and emergency is mended
The key step of paste-making method is mended on paste-making method, the basis are as follows:
1) mud is discharged by mud circulating system from shield muddy water storehouse, and precipitating is entered after mud and water separating equipment initial gross separation
Pond (4)；
2) mud becomes filtering mud after sedimentation basin (4) filtering, and filtering mud leaves sedimentation basin (4) into size-mixing tank (5)；
3) in new slurry transportation to the size-mixing tank (5) of new stock tank (6), new mud and filtering mud are mixed to form supply mud；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute；
It includes two kinds that the emergency, which mends paste-making method, the first emergency mends the key step of paste-making method are as follows:
1) mud in sedimentation basin (4) is directly injected into new stock tank (6) by hydraulic fill pipeline (3)；
2) modulation mud is mixed to get in new stock tank (6) by the bentonite and mud of shear pump (81)；
3) supply mud is formed in modulation mud injection size-mixing tank (5)；
4) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute；
Second of emergency mends the key step of paste-making method are as follows:
1) it will be reconciled in slurrying warehouse (8) comprising bentonitic substance, highly concentrated mud blending transportation be made by shear pump (81)
Supply mud is formed in supply pool (7)；
2) supply mud enter shield muddy water circulatory system into slurry system, supplement the scarce mud of shield institute.
2. a kind of slurry shield as described in claim 1 mends slurry circulation technology method with emergency, it is characterised in that: the new mud
Slurry is the composition comprising water Yu swelling soil material.
3. the slurry shield use of slurry circulation technology method is mended with emergency using a kind of slurry shield as claimed in claim 1 or 2
Emergency mends slurry circulator, it is characterised in that: mends sizing device including basis and emergency mends sizing device, sizing device packet is mended on the basis
It includes sedimentation basin (4), the sedimentation basin (4) is connected to the top of size-mixing tank (5), and the size-mixing tank (5) and new stock tank (6) pass through pipe
Road is connected to the stock inlet of pulping pump pond (9) respectively, is equipped with adjustment device, the pulping pump pond in the pulping pump pond (9)
(9) grout outlet is connected to supply pool (7), the supply pool (7) and shield muddy water circulatory system into slurry system connectivity；
It includes the emergency slush pump (1) for being mounted on sedimentation basin (4) end, the emergency slush pump (1) that the emergency, which mends sizing device,
It is connected to by hydraulic fill pipeline (3) with new stock tank (6), the new stock tank (6) is by being equipped with the pipeline of distance mud pump (61) and sizing mixing
Pond (5) connection, the size-mixing tank (5) are connected to supply pool (7).
4. a kind of slurry shield as claimed in claim 3 mends slurry circulator with emergency, it is characterised in that: the size-mixing tank
(5) bottom is connected to the adjustment device of pulping pump pond (9) by pipeline.
5. a kind of slurry shield as claimed in claim 4 mends slurry circulator with emergency, it is characterised in that: the hydraulic fill pipeline
(3) one end close to emergency slush pump (1) is equipped with standby valve (2).
6. a kind of slurry shield as described in claim 3 to 5 is any mends slurry circulator with emergency, it is characterised in that: described
It includes the slurrying warehouse (8) for being equipped with shear pump that emergency, which mends sizing device, is stored in the slurrying warehouse (8) comprising bentonitic
Composition, the slurrying warehouse (8) are connect by pipeline with the shield slurry suction inlet position of supply pool (7).
7. a kind of slurry shield as claimed in claim 6 mends slurry circulator with emergency, it is characterised in that: the slurrying warehouse
(8) it is connected to by pipeline with new stock tank (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229499.7A CN106948827B (en) | 2017-04-10 | 2017-04-10 | A kind of slurry shield emergency benefit slurry circulation technology method and device |
| PCT/CN2018/082168 WO2018188530A1 (en) | 2017-04-10 | 2018-04-08 | Method and device for emergency slurry supplement circulation process used for slurry shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229499.7A CN106948827B (en) | 2017-04-10 | 2017-04-10 | A kind of slurry shield emergency benefit slurry circulation technology method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948827A CN106948827A (en) | 2017-07-14 |
| CN106948827B true CN106948827B (en) | 2019-03-29 |
Family
ID=59475261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710229499.7A Active CN106948827B (en) | 2017-04-10 | 2017-04-10 | A kind of slurry shield emergency benefit slurry circulation technology method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106948827B (en) |
| WO (1) | WO2018188530A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948827B (en) * | 2017-04-10 | 2019-03-29 | 中铁十四局集团有限公司 | A kind of slurry shield emergency benefit slurry circulation technology method and device |
| CN107443572B (en) * | 2017-08-08 | 2019-03-29 | 中铁隧道集团二处有限公司 | A kind of mud pit configuration application method for meeting two slurry shield machines and constructing simultaneously |
| CN107460867B (en) * | 2017-08-29 | 2020-06-02 | 上海市基础工程集团有限公司 | Rapid adjusting method for circulating slurry performance |
| CN112919766A (en) * | 2020-10-15 | 2021-06-08 | 上海天颢实业有限公司 | Muddy water treatment system and method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3511515B2 (en) * | 2001-07-27 | 2004-03-29 | 西松建設株式会社 | Mud circulation system of shield machine |
| CN201021625Y (en) * | 2006-12-21 | 2008-02-13 | 上海隧道工程股份有限公司 | Mud water conveying and processing device for simulating mud water shield structure |
| CN101648413B (en) * | 2009-09-07 | 2011-06-01 | 中铁十四局集团有限公司 | Proportioning process of high-pressure warehouse entering slurry from major diameter slurry shield and use device thereof |
| CN201722263U (en) * | 2010-06-01 | 2011-01-26 | 中铁隧道股份有限公司 | Slurry shield mud preparing device |
| CN101838062B (en) * | 2010-06-01 | 2012-02-29 | 中铁隧道股份有限公司 | Slurry shield slurry modulation process |
| CN103934898B (en) * | 2013-12-13 | 2016-03-02 | 中铁十四局集团有限公司 | Slurry shield clay stratum is from pulping modulation process |
| CN203925508U (en) * | 2014-04-29 | 2014-11-05 | 中交第二航务工程局有限公司 | Prepare fast the air pipe line structure of mud |
| CN105060796B (en) * | 2015-08-27 | 2017-07-21 | 河海大学 | A kind of slurry shield Flooding in Borehole driving mud and its compound method |
| CN205876244U (en) * | 2016-08-18 | 2017-01-11 | 中建三局基础设施工程有限公司 | Self -control mud circulating device |
| CN106948827B (en) * | 2017-04-10 | 2019-03-29 | 中铁十四局集团有限公司 | A kind of slurry shield emergency benefit slurry circulation technology method and device |
-
2017
- 2017-04-10 CN CN201710229499.7A patent/CN106948827B/en active Active
-
2018
- 2018-04-08 WO PCT/CN2018/082168 patent/WO2018188530A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN106948827A (en) | 2017-07-14 |
| WO2018188530A1 (en) | 2018-10-18 |
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