CN103437786B - Shield structure body refuse Recovery Purifying reutilization system is used for the method for Shield Construction Method Used - Google Patents
Shield structure body refuse Recovery Purifying reutilization system is used for the method for Shield Construction Method Used Download PDFInfo
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- CN103437786B CN103437786B CN201310397192.XA CN201310397192A CN103437786B CN 103437786 B CN103437786 B CN 103437786B CN 201310397192 A CN201310397192 A CN 201310397192A CN 103437786 B CN103437786 B CN 103437786B
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Abstract
The invention discloses the method for a kind of shield structure body refuse Recovery Purifying reutilization system for Shield Construction Method Used, this system comprises slip agitating tank (1), mixer (2), hydrocyclone (3), slurry can (4), mortar mixing plant (5), waste stacks field (6) and pipeline forms; The body refuse that the present invention makes shield-tunneling construction produce reuses as the raw material of shield synchronization slip casting after Recovery Purifying, solve that the body refuse amount of discarding in shield-tunneling construction is in the past large, the problem of contaminated environment, and the problem of the raw materials consumption amount such as shield synchronization slip casting swell soil, save bentonite consumption, decrease the pollution of discarded body refuse to environment, reduce shield-tunneling construction cost.Utilize system of the present invention and method, in mortar mixing plant, adopt slurries prepared by grout coordinate ratio of the present invention, carry out synchronous grouting, the performance of slip casting and quality and use the identical in quality of bentonite slurry, the needs of shield-tunneling construction can be met.
Description
Technical field
The present invention relates to Shield Construction Technique field, particularly relate to a kind of shield structure body refuse Recovery Purifying reutilization system and method thereof.
Background technology
Shield machine is as current state-of-the-art tunnel piercing ultra-large type special equipment, and be realization driving, be unearthed, supporting etc. once excavates the high-tech construction equipment of cavitation, is widely used in the construction of tunnel such as urban track traffic, railway, highway, municipal administration, water power.
In tunneling shield tunneling construction process, shield machine cutting ground layer soil body, produces a large amount of body refuse.It is main that this type of body refuse process is at present transported to the spoil ground of specifying beyond being, freight volume is many, and occupied ground is large, and easily produce environment pollution, be difficult to find suitable spoil ground, its disposal cost accounts for about 10% of shield tunnel cost.In fact as carried out improved treatment to shield structure body refuse, recycle, body refuse disposal cost can be reduced over half.
More current developed countries have started to study shield structure body refuse treatment technology, the method of improvement is adopted to process, as backfill, fill soil, subgrade soils etc. after process, the existing body refuse process of China, substantially be transported to beyond being the spoil ground of specifying or for backfill be main, except can be used for the dregs of backfill, all the other modes all will take larger place.
In shield-tunneling construction, Xiang Tucang injection mud and shield synchronization slip casting are two key links of shield-tunneling construction.Need on the one hand constantly to inject bentonite slurry to the face of cutter head of shield machine front end and the Tu Cang at shield cutter rear portion, in order to the moistening face soil body in order to the knife cutting soil body and output body refuse, on the other hand, often tunnel a ring in shield-tunneling construction, with regard to needing, slip casting is carried out to the space produced between shield duct piece and shield machine shell, swell soil mainly stirs by injecting paste material becomes mud, then adds the formation of the additive such as cement, flyash.Therefore the consumption of bentonite amount in shield-tunneling construction is sizable.
Summary of the invention
Produce a large amount of body refuse, difficult treatment to solve in present shield-tunneling construction, and use a large amount of bentonite slurry, cause the problem that construction cost is high, the present invention proposes the method for a kind of shield structure body refuse Recovery Purifying reutilization system for Shield Construction Method Used.
Shield-tunneling construction is produced body refuse and stirs formation mud through adding water by the present invention, purify through hydrocyclone again, formation meets the slurry applications of shield synchronization slip casting requirement in shield-tunneling construction, and pilot scale has been carried out in shield structure dumping mud treatment, achieve good result, for the recycling of shield structure body refuse provides technical support.
The present invention adopts following technical scheme:
Shield structure body refuse Recovery Purifying reutilization system of the present invention comprises slip agitating tank, mixer, hydrocyclone, slurry can, mortar mixing plant, waste stacks field and pipeline forms; Slip agitating tank is positioned near dregs storehouse, shield structure ground; Mixer is set up in slip agitating tank; Slip agitating tank is connected with hydrocyclone by pipeline one; Hydrocyclone is connected with slurry can by pipeline two; Slurry can is connected with mortar mixing plant by pipeline three; Mortar mixing plant is connected with pipeline four and leads to shield machine synchronous grouting; Pipeline three is connected with pipeline five and leads to shield machine Tu Cang; Slip agitating tank is connected with pipeline two by pipeline six; Hydrocyclone and waste are stacked field and are connected by feed belt; The junction of slip agitating tank and pipeline one is provided with slush pump.
Pipeline one is provided with valve one with the pipeline of hydrocyclone junction; Pipeline two is provided with valve two with the pipeline of slurry can junction; The pipeline of slurry can and pipeline three junction is provided with valve three; Pipeline three is provided with valve four with the pipeline of mortar mixing plant junction; Pipeline five is provided with valve five.
Hydrocyclone is horizontal spiral centrifuge.
Slush pump is 3PN pump.
Slip agitating tank is plaster in reinforced concrete structure or masonry structure.
Slurry can is plaster or steel work in reinforced concrete structure, masonry structure.
Pipeline is galvanized pipe, bellows.
The method that shield structure body refuse Recovery Purifying reutilization system of the present invention is used for Shield Construction Method Used comprises the following steps:
A () first promotes shield structure body refuse with straddle truck by tunnel trolley, and pour slip agitating tank into;
B () is then to slip agitating tank water filling, and startup slurry mixer stirs simultaneously, when mud balance reaches 1.25 ~ 1.30 after testing, stops water filling, then continues to stir 1-4h;
C () starts slush pump, mud in slip agitating tank is pumped into hydrocyclone;
D () starts hydrocyclone, process mud, sand wherein and large granular impurity is separated, and is sent to waste stacking field through feed belt;
E () mud after hydrocyclone process, carries out viscosity measurements, when viscosity is 30 ~ 50Pas, mud is sent into slurry can for subsequent use, if the viscosity of mud does not meet the demands, sends underproof mud back to slip agitating tank again prepare by pipeline six;
F a part of mud in slurry can is sent to shield machine Tu Cang by pipeline five by (), replace bentonite slurry to use when shield-tunneling construction.
G the residue mud of () slurry can is sent to mortar mixing plant, and add cement, flyash, sand, water in mortar mixing plant, fully stirs, and is mixed with the slurries of shield machine synchronous grouting, then the slurries prepared is sent to shield machine and carries out synchronous grouting.
The preferred horizontal spiral centrifuge of Swirling flow sand-removing, be the most crucial mechanism of discarded body refuse Separation of Solid and Liquid treatment system, it is primarily of high-revolving rotary drum, turn to identical and parts such as the helical conveyor of the band hollow rotating shaft that rotating ratio rotary drum is lower slightly and differential mechanism to form with rotary drum.After discarded body refuse to be processed sends into rotating cylinder by hollow rotating shaft, under the centrifugal action that High Rotation Speed produces, be dumped into immediately in rotary drum chamber.The rotary drum of High Rotation Speed produces powerful centrifugal force and the solid phase particles larger than density of liquid phase is got rid of is attached on drum inner wall, forms solid layer (because circlewise, being called solid circular layer); Moisture due to density less, centrifugal force is little, therefore can only form liquid level inside solid circular layer, be called pendular ring layer.Because spiral is different with the rotating speed of rotary drum, the two has relative motion (i.e. speed discrepancy), utilize the relative motion of spiral and rotary drum that the mud of solid circular layer is pushed to the cone end of rotary drum lentamente, and after dry section, discharged continuously by the outlet of rotary drum circle distribution; The liquid of pendular ring layer then drains into outside rotary drum by gravity by crest of weir continuous " overflow ", forms parting liquid.By the continuous firing of each parts, the object of process discarded slurry continuously can be reached.
Good effect of the present invention is as follows:
(1) decrease the waste sludge quantity of slag, save body refuse outward transport workload and disposal cost, solve that the body refuse amount of discarding in shield-tunneling construction is in the past large, the problem of contaminated environment.
(2) body refuse Recovery Purifying recycling, decrease the raw materials consumption amounts such as the swell soil in shield driving and synchronous grouting, saved bentonite consumption, reduced shield structure shield synchronization slip casting cost.
(3) utilize system of the present invention and method, in mortar mixing plant, adopt slurries prepared by grout coordinate ratio of the present invention, carry out synchronous grouting, the performance of slip casting and quality and use the identical in quality of bentonite slurry, the needs of shield-tunneling construction can be met.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of shield structure body refuse Recovery Purifying reutilization system of the present invention.
1. slip agitating tank 2. mixer 3. hydrocyclone 4. slurry can 5. mortar mixing plant 6. waste stacks field 7. pipeline 1 pipeline 2 9. pipeline 3 10. pipeline 4 11. pipeline 5 12. pipeline 6 13. feed belt 14. slush pump 15. valve 1 valve 2 17. valve 3 18. valve 4 19. valve five.
Detailed description of the invention
The following examples describe in further detail of the present invention.
Embodiment 1
See accompanying drawing 1, shield structure body refuse Recovery Purifying recycles in synchronous grouting construction system, comprises and is arranged at the slip agitating tank 1 near dregs storehouse, shield structure ground, the mixer 2 be arranged in slip agitating tank; Be arranged at the slush pump 14 near slurry agitation pond, be arranged at the hydrocyclone 3 near slush pump, the slurry can 4 being arranged at shield synchronization slip casting mortar mixing plant, synchronous grouting mortar mixing plant 5, the valve that connects slurry pipe line everywhere and be arranged at everywhere.
Implementation step is as follows:
Step one: excavate long × wide 10 × 5m that is not less than and be deeply not less than the foundation ditch of 2m as slip agitating tank 1 near shield structure slag storehouse;
Step 2: straddle truck shield structure body refuse by tunnel trolley promoting and pouring slip agitating tank 1 into;
Step 3: to mud pit water filling, starts slurry mixer 2 and stirs, and mud balance reaches about 1.25 ~ 1.30 and can carry out further work after testing;
Step 4: start slush pump 14, pumps into hydrocyclone 3 by mud pit top mud;
Step 5: sand wherein and large granular impurity are separated eliminating through hydrocyclone 3 by slurry flows;
Step 6: the pure mud flowing through hydrocyclone 3, the slurry can 4 sending into mortar station when viscosity is between 30 ~ 50Pas is after testing for subsequent use, and underproof mud flows back to mud pit 1 to be prepared again;
Step 7: the mud part in slurry can 4 is directly pumped in shield machine soil storehouse;
Step 8: another part of the mud in slurry can 4 adds the stirring such as cement, flyash formation simultaneous grouting slurry at synchronous grouting mortar mixing plant 5 and pumps into shield machine.
Adopt after the slurries of above proportioning carry out synchronous grouting, capability and performance detection is carried out to the tunnel after slip casting, testing result shows: quality of mud fluid performance prepared by system of the present invention and method can meet the requirement of shield-tunneling construction completely, and quality of mud fluid prepared by system of the present invention and method is not less than bentonite slurry.
Horizontal spiral centrifuge is the nucleus equipment of body refuse purification recycling, utilizes its centrifugal sedimentation principle to be separated mud suspension, and be pushed into rotary drum small end slag-drip opening by the blade on screw feeder and discharge, liquid phase is then overflowed by the spout hole of the large end of rotary drum.So constantly circulation, to reach the object be continuously separated.
It is primarily of high-revolving rotary drum, turn to identical and parts such as the helical conveyor of the band hollow rotating shaft that rotating ratio rotary drum is lower slightly and differential mechanism to form with rotary drum.After discarded slurry to be processed sends into rotating cylinder by hollow rotating shaft, under the centrifugal action that High Rotation Speed produces, be dumped into immediately in rotary drum chamber.The rotary drum of High Rotation Speed produces powerful centrifugal force and the solid phase particles larger than density of liquid phase is got rid of is attached on drum inner wall, forms solid layer (because circlewise, being called solid circular layer); Moisture due to density less, centrifugal force is little, therefore can only form liquid level inside solid circular layer, be called pendular ring layer.Because spiral is different with the rotating speed of rotary drum, the two has relative motion (i.e. speed discrepancy), utilize the relative motion of spiral and rotary drum that the mud of solid circular layer is pushed to the cone end of rotary drum lentamente, and after dry section, discharged continuously by the outlet of rotary drum circle distribution; The liquid of pendular ring layer then drains into outside rotary drum by gravity by crest of weir continuous " overflow ", forms parting liquid.By the continuous firing of each parts, the object of process discarded slurry continuously can be reached.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (7)
1. shield structure body refuse Recovery Purifying reutilization system is used for a method for Shield Construction Method Used, it is characterized in that: this system comprises slip agitating tank (1), mixer (2), hydrocyclone (3), slurry can (4), mortar mixing plant (5), waste stacks field (6) and pipeline forms; Slip agitating tank (1) is positioned near dregs storehouse, shield structure ground; Mixer (2) is set up in slip agitating tank (1); Slip agitating tank (1) is connected with hydrocyclone (3) by pipeline one (7); Hydrocyclone (3) is connected with slurry can (4) by pipeline two (8); Slurry can (4) is connected with mortar mixing plant (5) by pipeline three (9); Mortar mixing plant (5) is connected with pipeline four (10) and leads to shield machine synchronous grouting; Pipeline three (9) is connected with pipeline five (11) and leads to shield machine Tu Cang; Slip agitating tank (1) is connected with pipeline two (8) by pipeline six (12); Hydrocyclone (3) and waste are stacked field (6) and are connected by feed belt (13); Slip agitating tank (1) is provided with slush pump (14) with the junction of pipeline one (7);
The method comprises the following steps:
A () first promotes shield structure body refuse with straddle truck by tunnel trolley, and pour slip agitating tank (1) into;
B () then to slip agitating tank (1) water filling, and starts slurry mixer (2) simultaneously and stirs, when mud balance reaches 1.25 ~ 1.30 after testing, stop water filling, then continues to stir 1-4h;
C () starts slush pump (14), slip agitating tank (1) interior mud is pumped into hydrocyclone (3);
D () starts hydrocyclone (3), process mud, sand wherein and large granular impurity is separated, and is sent to waste stacking field (6) through feed belt (13);
(e) mud after hydrocyclone (3) process, carry out viscosity measurements, when viscosity is 30 ~ 50Pas, mud is sent into slurry can (4) for subsequent use, if the viscosity of mud does not meet the demands, send underproof mud back to slip agitating tank (1) by pipeline six (12) and again prepare;
F a part of mud in slurry can (4) is sent to shield machine Tu Cang by pipeline five (11) by (), replace bentonite slurry to use when shield-tunneling construction;
G the residue mud of () slurry can (4) is sent to mortar mixing plant (5), and cement, flyash, sand, water is added in mortar mixing plant (5), abundant stirring, is mixed with the slurries of shield machine synchronous grouting, then the slurries prepared is sent to shield machine and carries out synchronous grouting.
2. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: pipeline one (7) is provided with valve one (15) with the pipeline of hydrocyclone (3) junction; Pipeline two (8) is provided with valve two (16) with the pipeline of slurry can (4) junction; Slurry can (4) is provided with valve three (17) with the pipeline of pipeline three (9) junction; Pipeline three (9) is provided with valve four (18) with the pipeline of mortar mixing plant (5) junction; Pipeline five (11) is provided with valve five (19).
3. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: hydrocyclone (3) is horizontal spiral centrifuge.
4. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: slush pump (14) is 3PN pump.
5. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: slip agitating tank (1) is for plastering in reinforced concrete structure or masonry structure.
6. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: slurry can (4) is reinforced concrete structure, plaster or steel work in masonry structure.
7. shield structure body refuse Recovery Purifying reutilization system as claimed in claim 1 is used for the method for Shield Construction Method Used, it is characterized in that: pipeline is galvanized pipe, bellows.
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| CN201310397192.XA CN103437786B (en) | 2013-09-04 | 2013-09-04 | Shield structure body refuse Recovery Purifying reutilization system is used for the method for Shield Construction Method Used |
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| CN201310397192.XA CN103437786B (en) | 2013-09-04 | 2013-09-04 | Shield structure body refuse Recovery Purifying reutilization system is used for the method for Shield Construction Method Used |
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Cited By (1)
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| CN107443572A (en) * | 2017-08-08 | 2017-12-08 | 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 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6128699A (en) * | 1984-07-19 | 1986-02-08 | 五洋建設株式会社 | Shield drilling method using muddy water having clogging material for sand and gravel foundation |
| JP2620120B2 (en) * | 1988-07-12 | 1997-06-11 | 清水建設株式会社 | Method and apparatus for collecting mud used for mud pressurized shield drilling |
| JP2824613B2 (en) * | 1993-04-23 | 1998-11-11 | 東洋スクリーン工業株式会社 | Sludge treatment method of shield method |
| CN1260148C (en) * | 2004-05-20 | 2006-06-21 | 上海隧道工程股份有限公司 | High flow mud-water particle multistage treating apparatus |
| CN1262715C (en) * | 2004-08-17 | 2006-07-05 | 广东省基础工程公司 | Apparatus for separating mud and water from large batch slurry and its method |
| CN101774746B (en) * | 2010-01-29 | 2012-02-01 | 濮阳市天地人环保工程技术有限公司 | Treatment method of waste slurry generated by gigging well and drilling |
| CN101838062B (en) * | 2010-06-01 | 2012-02-29 | 中铁隧道股份有限公司 | Slurry shield slurry modulation process |
-
2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443572A (en) * | 2017-08-08 | 2017-12-08 | 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 |
| 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 |
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