CN108654205A - Mud and water separating equipment and method for mud caused by shield machine digging operation - Google Patents
Mud and water separating equipment and method for mud caused by shield machine digging operation Download PDFInfo
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- CN108654205A CN108654205A CN201810624724.1A CN201810624724A CN108654205A CN 108654205 A CN108654205 A CN 108654205A CN 201810624724 A CN201810624724 A CN 201810624724A CN 108654205 A CN108654205 A CN 108654205A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
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- Chemical Kinetics & Catalysis (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention proposes a kind of mud and water separating equipment and method of novel shield machine mud, due to increasing sand washer washing process in level-one cyclone bottom, so that clay component is detached with sandstone material, overcomes the deficiency of existing Slurry treatment technique well, specifically include：First; clay content, the water content of two-stage dewatering screen oversize sand material substantially reduce, and have reached building sand building stones standard, so that the dregs largely discarded originally is become qualified concrete material and are recycled recycling; not only economic benefit is created, but also resource is protected not to be wasted；Second, reduce discarded dregs discharge capacity, reduce transportation cost, save discarded dregs to appropriation of land, also effectively reduces transportational process and drop and stack the environmental pollution brought；Third is free of clay mortar due to falling into the material on vibration screen, and sieve is not easy to be blocked, and improves screening efficiency, ensure that the safe and stable operation of construction production.
Description
Technical field
The present invention relates to the mud and water separating equipments and method for mud caused by shield machine digging operation, belong to muddy water
Process field.
Technical background
In traditional Slurry treatment technique, as shown in Figure 1, from shield machine be discharged mud (containing ball clay, stone,
Sand, clay etc.) enter the decompression of decompression cabinet 102 at first, pre- sub-sieve 101 is subsequently entered, oversize is the object that granularity is more than 4mm
Material is stacked into cinder field；Material of the granularity less than 4mm enters A slurry storage tanks 1013 and B slurry storage tanks in communication through sieve
1012, level-one cyclone 104 is pumped by 1# Pulp pumps 1011, the overflow fine grained slurries of level-one cyclone 104 enter C slurry storage tanks
1010 carry out secondary separation or return to 1012 recycling of B slurry storage tanks or enter sedimentation basin 109；The underflow of level-one cyclone 104 is thick
Particulate slurry injects level-one dehydration and vibration sieve 103, and oversize is the material of 2~4mm, is stacked into cinder field；Granularity is less than 2mm's
Material is recycled after penetrating sieve into B slurry storage tanks 1011, or is entered by the communicating pipe 105 of B slurry storage tanks and C slurry storage tanks
C slurry storage tanks 1010 are pumped into second cyclone 107 by 2# Pulp pumps 108, and the overflow fine grained slurries of second cyclone 107 enter
Sedimentation basin 109 or return C slurry storage tanks 1010 are recycled, and the bottom slurry of second cyclone 107 enters two level dehydration and vibration
Sieve 106, oversize are the material of 0.074~2mm, are stacked into cinder field；Enter through the fine granular materials of two level dewatering screen 106
C slurry storage tanks 1010 are recycled or are discharged into sedimentation basin 109.
Invention content
According to an aspect of the invention, there is provided the mud-water separation for mud caused by shield machine digging operation is set
It is standby, it is characterised in that including：
Interconnected the first slurry storage tank and the second slurry storage tank,
The material of first Pulp pump and level-one cyclone, the second slurry storage tank is pumped into level-one cyclone by the first Pulp pump；
Third slurry storage tank and sedimentation basin, the overflow fine grained slurries of level-one cyclone enter third slurry storage tank and carry out secondary point
From or be returned the second slurry storage tank carry out recycle or enter sedimentation basin；
Sand washer and level-one dehydration and vibration sieve, the underflow coarse granule slurries of level-one cyclone enter sand washer, by washed-out sand
After machine adds water washing, the clay mortar that is washed out overflows to the second slurry storage tank and enters subsequent cycle, not argillaceous after washed
Sandstone material enters level-one dehydration and vibration sieve；The oversize of level-one dehydration and vibration sieve is admitted to cinder field stacking；It shakes through level-one dehydration
The material of the sieve of dynamic sieve enters the second slurry storage tank；
Second Pulp pump and second cyclone, the material in third slurry storage tank are pumped into second cyclone by the second Pulp pump,
The overflow fine grained slurries of second cyclone are discharged into sedimentation basin or return to third slurry storage tank and recycled；
Two level dehydration and vibration sieves, and the bottom slurry of second cyclone enters two level dehydration and vibration sieve, two level dehydration and vibration sieve
Oversize be admitted to cinder field stacking；Through two level dewatering screen fine granular materials enter third slurry storage tank carry out recycling and/
Or it is discharged into sedimentation basin.
According to another aspect of the present invention, a kind of muddy water for mud caused by shield machine digging operation is provided
Separation method, it is characterised in that including：
Material is pumped into level-one cyclone from the second slurry storage tank using the first Pulp pump；
Make the overflow fine grained slurries of level-one cyclone enter third slurry storage tank to carry out secondary separation or return to the second storage slurry
Slot carries out recycling or entering sedimentation basin；
The underflow coarse granule slurries of level-one cyclone are made to enter sand washer, it is viscous what is washed out after sand washer adds water washing
Native mud overflows to the second slurry storage tank to enter subsequent cycle, make the sandstone material not argillaceous after sand washer adds water washing into
Enter level-one dehydration and vibration sieve；
The oversize of level-one dehydration and vibration sieve is sent out；
The material of sieve through level-one dehydration and vibration sieve is sent into the second slurry storage tank；
The material in third slurry storage tank is set to be pumped into second cyclone by the second Pulp pump,
Make the overflow fine grained slurries of second cyclone enter sedimentation basin discharge or return to third slurry storage tank to be recycled,
The bottom slurry of second cyclone is set to enter two level dehydration and vibration sieve,
The oversize of two level dehydration and vibration sieve is discharged,
Fine granular materials through two level dewatering screen are sent into third slurry storage tank, it is heavy to be recycled and/or be discharged into
Shallow lake pond.
Description of the drawings
Fig. 1 is the schematic diagram of the Slurry treatment technique of the prior art.
Fig. 2 is the schematic diagram of the mud-water separation scheme of shield machine mud according to an embodiment of the invention.
Fig. 3 be shield machine mud according to an embodiment of the invention mud-water separation scheme in three slurry storage tanks it is mutual
The schematic diagram of connection.
Specific implementation mode
The present inventor has found in engineering practice, in shield machine tunneling in the stratum containing husky, stone and clay,
Containing a large amount of sticky mud components in its dregs discharged, carried out when using the technological process of prior art shown in FIG. 1
When dregs mud-water separation, since sand, stone, clay component coexist on the sieve of two-stage dewatering screen, in screenings, this can lead to following three
A negative consequence can not recycle the concrete as civil engineering first, since the soil content in oversize sand material is exceeded
Raw material cause the valuable sand material wasting of resources；Second, even if by being discharged as discarded dregs, also due to the shadow of clay
Sound makes dregs be difficult to be dehydrated, and causes water content in dregs exceeded, is easy to drop when row's transport outside, pollutes road surface and surrounding
Environment；Third, clay, which is easy blocking vibration, sieves sieve, being normally carried out for production is influenced.
In order to overcome the shortcomings of above-mentioned Slurry treatment technique, as a result of repeated studies by the present inventors, proposing a kind of novel
The mud and water separating equipment and method of shield machine mud, wherein increase sand washer in level-one cyclone bottom.
As shown in Fig. 2, in the mud and water separating equipment of shield machine mud according to an embodiment of the invention, from shield
The mud (wherein containing ball clay, stone, sand, clay etc.) of machine discharge initially enters the decompression of decompression cabinet 202, subsequently enters pre-
Sub-sieve 201, oversize are the material that granularity is more than 4mm, are admitted to cinder field stacking；Material of the granularity less than 4mm penetrates pre- sub-sieve
201 sieve sequentially enters A slurry storage tanks 2014 and B slurry storage tanks 2013 in communication, then is pumped into level-one by 1# Pulp pumps 2012
Cyclone 205；The overflow fine grained slurries of level-one cyclone 205, which enter C slurry storage tanks 2011, to carry out secondary separation or returns to B storage slurries
Slot 2013 carries out recycling or entering sedimentation basin 2010；The underflow coarse granule slurries of level-one cyclone 205 enter sand washer 204,
After sand washer 204 plus water fully wash, the clay mortar being washed out overflows to B slurry storage tanks 2013 into subsequent cycle, warp
Sandstone material not argillaceous enters level-one dehydration and vibration sieve 203 after washing；The oversize of level-one dehydration and vibration sieve 203 is 2~4mm
Material, be admitted to cinder field stacking；Material of the granularity less than 2mm stores up slurry through after the sieve of level-one dehydration and vibration sieve 203 into B
Slot 2013；Material into B slurry storage tanks 2013 is recycled, or enters C by the communicating pipe 206 of B slurry storage tanks and C slurry storage tanks
Slurry storage tank 2011, and second cyclone 208 is pumped by 2# Pulp pumps 209.The overflow fine grained slurries of second cyclone 208 enter
Sedimentation basin 2010 discharges or returns C slurry storage tanks 2011 and recycled, and the bottom slurry of second cyclone 208 enters two level dehydration
The oversize of vibrating screen 207, two level dehydration and vibration sieve 207 is the material of 0.074~2mm, is admitted to cinder field stacking；Through two level
The fine granular materials of dewatering screen 207 enter C slurry storage tanks 2011 and are recycled or be discharged into sedimentation basin 2010.
As shown in figure 3, in the configuration of slurry storage tank according to an embodiment of the invention, A slurry storage tanks 301 and B storage slurries
Slot 303 is connected directly by gasket 302, and flexible gasket 302 is clipped among two slots to prevent slurries from leaking, B
Slurry storage tank 303 is connected with C slurry storage tanks 305 by unicom pipeline 304, and three slurry storage tanks are commonly mounted on pedestal 306.
In one embodiment of the invention, the slurry storage tank 2014,2013,2011 in Fig. 2 distinguishes the storage slurry in corresponding diagram 3
Slot 301,303,305.
The advantages of mud and water separating equipment and method of the shield machine mud according to the present invention includes：Due in level-one eddy flow
Device bottom increases sand washer washing process, and a large amount of clay components is enable to be detached with sandstone material, overcomes existing mud well
The deficiency of water treatment technology, specifically includes：
First, clay content, the water content of two-stage dewatering screen oversize sand material substantially reduce, and have reached building sand building stones
Standard makes the dregs largely discarded originally become qualified concrete material and is recycled recycling, both created high
Economic benefit, and national resources is protected not to be wasted；
Second, discarded dregs discharge capacity is greatly reduced, transportation cost is not only reduced, but also saves discarded dregs to city
Periphery appropriation of land also effectively reduces transportational process and drops and stack the environmental pollution brought；
Third is free of clay mortar due to falling into the material on vibration screen, and sieve is not easy to be blocked, and improves screening effect
Rate ensure that the safe and stable operation of construction production.
Claims (10)
1. the mud and water separating equipment for mud caused by shield machine digging operation, it is characterised in that including：
Interconnected the first slurry storage tank (2014) and the second slurry storage tank (2013),
First Pulp pump (2012) and level-one cyclone (205), the material of the second slurry storage tank (2013) is by the first Pulp pump
(2012) it is pumped into level-one cyclone (205)；
The overflow fine grained slurries of third slurry storage tank (2011) and sedimentation basin (2010), level-one cyclone (205) enter third storage
Stock tank (2011) carry out secondary separation or be returned the second slurry storage tank (2013) carry out recycle or enter sedimentation basin (2010)；
Sand washer (204) and level-one dehydration and vibration sieve (203), the underflow coarse granule slurries of level-one cyclone (205) enter washed-out sand
Machine (204), after sand washer (204) plus water washing, the clay mortar being washed out overflows to the second slurry storage tank (2013) entrance
Subsequent cycle, sandstone material not argillaceous enters level-one dehydration and vibration sieve (203) after washed；Level-one dehydration and vibration sieves (203)
Oversize be admitted to cinder field stacking；The material that the sieve of (203) is sieved through level-one dehydration and vibration enters the second slurry storage tank
(2013)；
Second Pulp pump (209) and second cyclone (208), the material in third slurry storage tank (2011) is by the second Pulp pump
(209) it is pumped into second cyclone (208), the overflow fine grained slurries of second cyclone (208) are discharged into sedimentation basin (2010) or return
Third slurry storage tank (2011) is returned to be recycled；
Two level dehydration and vibration sieves (207), and the bottom slurry of second cyclone (208) enters two level dehydration and vibration sieve (207), two level
The oversize of dehydration and vibration sieve (207) is admitted to cinder field stacking；Enter third through the fine granular materials of two level dewatering screen (207)
Slurry storage tank (2011) is recycled and/or is discharged into sedimentation basin (2010).
2. mud and water separating equipment according to claim 1, it is characterised in that：
The material that the oversize that level-one dehydration and vibration sieves (203) is 2~4mm,
The material that the sieve of (203) is sieved through level-one dehydration and vibration is the material that granularity is less than 2mm,
The material that the oversize that two level dehydration and vibration sieves (207) is 0.074~2mm.
3. mud and water separating equipment according to claim 1, it is characterised in that further comprise：
Decompression cabinet (202), for being depressurized to mud,
Pre- sub-sieve (201), for being sieved to the mud for coming from decompression cabinet (202), the oversize of pre- sub-sieve (201) is admitted to
Cinder field is stacked, and the first slurry storage tank (2014) and the second slurry storage tank are sequentially entered through the material of the sieve of pre- sub-sieve (201)
(2013)。
4. mud and water separating equipment according to claim 3, it is characterised in that：
The oversize of pre- sub-sieve (201) is admitted to cinder field stacking；It is sequentially fed into through the material of the sieve of pre- sub-sieve (201)
One slurry storage tank (2014) and the second slurry storage tank (2013) in communication.
5. according to the mud and water separating equipment described in one of claim 1-4, it is characterised in that：
First slurry storage tank is connected directly with the second slurry storage tank by gasket (302), and flexible gasket (302) is clipped in
To prevent slurries from leaking among one slurry storage tank and the second slurry storage tank,
Second slurry storage tank is connected to third slurry storage tank by communicating pipe (206,304)；
First slurry storage tank, the second slurry storage tank and third slurry storage tank are installed on common pedestal (306).
6. the mud-water separation method for mud caused by shield machine digging operation, it is characterised in that including：
Material is pumped into level-one cyclone (205) from the second slurry storage tank (2013) using the first Pulp pump (2012)；
Make the overflow fine grained slurries of level-one cyclone (205) enter third slurry storage tank (2011) to carry out secondary separation or return to the
Two slurry storage tanks (2013) carry out recycling or entering sedimentation basin (2010)；
The underflow coarse granule slurries of level-one cyclone (205) are made to enter sand washer (204), by sand washer (204) plus washing
The clay mortar washed out after washing overflows to the second slurry storage tank (2013) to enter subsequent cycle, makes through sand washer (204) plus washing
Sandstone material not argillaceous after washing enters level-one dehydration and vibration sieve (203)；
The oversize for level-one dehydration and vibration being sieved (203) is sent out；
The material for the sieve that (203) are sieved through level-one dehydration and vibration is sent into the second slurry storage tank (2013)；
The material in third slurry storage tank (2011) is set to be pumped into second cyclone (208) by the second Pulp pump (209),
So that the overflow fine grained slurries of second cyclone (208) is entered sedimentation basin (2010) discharge or returns to third slurry storage tank
(2011) it is recycled,
The bottom slurry of second cyclone (208) is set to enter two level dehydration and vibration sieve (207),
Two level dehydration and vibration is sieved the oversize discharge of (207),
Through two level dewatering screen (207) fine granular materials be sent into third slurry storage tank (2011), with carry out recycling and/or by
It is discharged into sedimentation basin (2010).
7. mud-water separation method according to claim 6, it is characterised in that：
The material that the oversize that level-one dehydration and vibration sieves (203) is 2~4mm,
The material that the sieve of (203) is sieved through level-one dehydration and vibration is the material that granularity is less than 2mm,
The material that the oversize that two level dehydration and vibration sieves (207) is 0.074~2mm.
8. mud-water separation method according to claim 6, it is characterised in that further comprise：
Mud is depressurized with decompression cabinet (202),
The mud for coming from decompression cabinet (202) is sieved with pre- sub-sieve (201), the oversize of pre- sub-sieve (201) is sent into slag
Stack, make through pre- sub-sieve (201) sieve material sequentially enter the first slurry storage tank (2014) and with the first slurry storage tank
(2014) the second slurry storage tank (2013) being connected to.
9. mud-water separation method according to claim 8, it is characterised in that：
The oversize of pre- sub-sieve (201) is the material that granularity is more than 4mm, is admitted to cinder field stacking；Granularity is saturating less than the material of 4mm
The sieve for crossing pre- sub-sieve (201) sequentially enters the first slurry storage tank (2014) and the second slurry storage tank (2013) in communication.
10. the mud-water separation method according to one of claim 6-9, it is characterised in that：
First slurry storage tank is connected directly with the second slurry storage tank by gasket (302), and flexible gasket (302) is clipped in
To prevent slurries from leaking among one slurry storage tank and the second slurry storage tank,
Second slurry storage tank is connected to third slurry storage tank by communicating pipe (206,304)；
First slurry storage tank, the second slurry storage tank and third slurry storage tank are installed on common pedestal (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624724.1A CN108654205A (en) | 2018-06-16 | 2018-06-16 | Mud and water separating equipment and method for mud caused by shield machine digging operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624724.1A CN108654205A (en) | 2018-06-16 | 2018-06-16 | Mud and water separating equipment and method for mud caused by shield machine digging operation |
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| CN201810624724.1A Pending CN108654205A (en) | 2018-06-16 | 2018-06-16 | Mud and water separating equipment and method for mud caused by shield machine digging operation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109611113A (en) * | 2019-01-09 | 2019-04-12 | 康明克斯(北京)环保技术有限公司 | A kind of earth pressure balanced shield, EPBS dregs continuous conveying equipment |
| CN110002711A (en) * | 2019-04-03 | 2019-07-12 | 康明克斯(北京)环保技术有限公司 | A kind of mud separation equipment improving the fine particle rate of recovery |
| CN110328063A (en) * | 2019-06-20 | 2019-10-15 | 康明克斯(北京)环保技术有限公司 | A kind of the balancing earth-pressure shielding machine dregs separation equipment and method of simplicity |
| CN110328064A (en) * | 2019-06-23 | 2019-10-15 | 康明克斯(北京)环保技术有限公司 | A kind of the balancing earth-pressure shielding machine dregs separation equipment and method of simplicity |
| CN111589219A (en) * | 2020-07-20 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Mud-water separation system of tunneling equipment and tunneling equipment |
| CN112429991A (en) * | 2021-01-08 | 2021-03-02 | 瓮福（集团）有限责任公司 | Device for flotation and water washing of phosphogypsum |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109611113A (en) * | 2019-01-09 | 2019-04-12 | 康明克斯(北京)环保技术有限公司 | A kind of earth pressure balanced shield, EPBS dregs continuous conveying equipment |
| CN110002711A (en) * | 2019-04-03 | 2019-07-12 | 康明克斯(北京)环保技术有限公司 | A kind of mud separation equipment improving the fine particle rate of recovery |
| CN110328063A (en) * | 2019-06-20 | 2019-10-15 | 康明克斯(北京)环保技术有限公司 | A kind of the balancing earth-pressure shielding machine dregs separation equipment and method of simplicity |
| CN110328064A (en) * | 2019-06-23 | 2019-10-15 | 康明克斯(北京)环保技术有限公司 | A kind of the balancing earth-pressure shielding machine dregs separation equipment and method of simplicity |
| CN111589219A (en) * | 2020-07-20 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Mud-water separation system of tunneling equipment and tunneling equipment |
| CN112429991A (en) * | 2021-01-08 | 2021-03-02 | 瓮福（集团）有限责任公司 | Device for flotation and water washing of phosphogypsum |
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