CN208943644U - Mud and water separating equipment for mud caused by shield machine digging operation - Google Patents
Mud and water separating equipment for mud caused by shield machine digging operation Download PDFInfo
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- CN208943644U CN208943644U CN201820937611.2U CN201820937611U CN208943644U CN 208943644 U CN208943644 U CN 208943644U CN 201820937611 U CN201820937611 U CN 201820937611U CN 208943644 U CN208943644 U CN 208943644U
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Abstract
The utility model proposes a kind of mud and water separating equipments for mud caused by shield machine digging operation, due to increasing sand washer washing process in level-one cyclone bottom, clay component is set to separate with sandstone material, the deficiency of existing Slurry treatment technique is overcome well, it specifically includes: first, the clay content of two-stage dewatering screen oversize sand material, water content substantially reduces, building sand building stones standard is reached, so that the dregs largely discarded originally is become qualified concrete material and obtains recycling and reusing, both economic benefit is created, resource is protected not to be wasted again;Second, reduce discarded dregs discharge amount, reduce transportation cost, save discarded dregs to appropriation of land, also effectively reduces transportational process and drop and stack bring environmental pollution;Third, due to falling into the material on vibration screen without clay mortar, 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 utility model relates to the mud and water separating equipments for mud caused by shield machine digging operation.
Background technique
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 greater than 4mm
Material is stacked into cinder field;Material of the granularity less than 4mm enters A slurry storage tank 1013 and B slurry storage tank in communication through sieve
1012, level-one cyclone 104 is pumped by 1# Pulp pump 1011, the overflow fine grained slurries of level-one cyclone 104 enter C storage slurry
Slot 1010 carries out secondary separation or returns to the recycling of B slurry storage tank 1012 or enter sedimentation basin 109;The underflow of level-one cyclone 104
Coarse granule slurries inject level-one dehydration and vibration sieve 103, and oversize is the material of 2~4mm, stack into cinder field;Granularity is less than 2mm
Material recycled through entering B slurry storage tank 1011 after sieve, or pass through the communicating pipe 105 of B slurry storage tank and C slurry storage tank
Into C slurry storage tank 1010, second cyclone 107, the overflow fine grained slurries of second cyclone 107 are pumped by 2# Pulp pump 108
It is recycled into sedimentation basin 109 or return C slurry storage tank 1010, the bottom slurry of second cyclone 107 enters second level dehydration
Vibrating screen 106, oversize are the material of 0.074~2mm, are stacked into cinder field;Through the fine particle of second level dewatering screen 106
Material enters C slurry storage tank 1010 and is recycled or be discharged into sedimentation basin 109.
Utility model content
One aspect according to the present utility model provides the muddy water point for mud caused by shield machine digging operation
From equipment, characterized by comprising:
Interconnected the first slurry storage tank and the second slurry storage tank,
First Pulp pump and level-one cyclone, the second slurry storage tank are connected to level-one by the first Pulp pump of slurry channel and revolve
Flow device;
Third slurry storage tank and sedimentation basin, level-one cyclone are connected to third slurry storage tank by overflow fine grained slurry channels;
Sand washer and level-one dehydration and vibration sieve, level-one cyclone are connected to sand washer by underflow coarse granule slurry channels,
Sand washer is connected to the second slurry storage tank by clay mortar overflow ducts,
Level-one dehydration and vibration sieve;
Second slurry storage tank in the material downstream of the sieve of level-one dehydration and vibration sieve is set;
Second Pulp pump and second cyclone, third slurry storage tank is through material channel and by the second Pulp pump and second level eddy flow
Device connection, second cyclone are connected to sedimentation basin and/or third slurry storage tank by overflow fine grained slurry channels;
Second level dehydration and vibration sieve, second cyclone are connected to second level dehydration and vibration by bottom slurry channel and sieve.
Detailed description of the invention
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 the shield machine mud of one embodiment according to the present utility model.
Fig. 3 is three slurry storage tanks in the mud-water separation scheme of the shield machine mud of one embodiment according to the present utility model
The schematic diagram of interconnection.
Specific embodiment
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 process flow 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 will lead to following three
A negative consequence, first, the concrete as civil engineering can not be recycled 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 outlet is transported, 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 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 greater than 4mm, are admitted to cinder field stacking;Material of the granularity less than 4mm is through pre- point
The sieve of sieve 201 sequentially enters A slurry storage tank 2014 and B slurry storage tank 2013 in communication, then is pumped into one by 1# Pulp pump 2012
Grade cyclone 205;The overflow fine grained slurries of level-one cyclone 205, which enter C slurry storage tank 2011, to carry out secondary separation or returns to B
Slurry storage tank 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 sufficiently wash, the clay mortar being washed out overflows to B slurry storage tank 2013 and enters next follow
Ring, sandstone material not argillaceous enters level-one dehydration and vibration sieve 203 after washed;Level-one dehydration and vibration sieve 203 oversize be
The material of 2~4mm is admitted to cinder field stacking;Granularity is laggard through the sieve of level-one dehydration and vibration sieve 203 less than the material of 2mm
Enter B slurry storage tank 2013;Material into B slurry storage tank 2013 is recycled, or passes through the communicating pipe of B slurry storage tank and C slurry storage tank
206 enter C slurry storage tank 2011, and are pumped into second cyclone 208 by 2# Pulp pump 209.The overflow fine grained of second cyclone 208
Slurries, which enter the discharge of sedimentation basin 2010 or return to C slurry storage tank 2011, to be recycled, and the bottom slurry of second cyclone 208 enters
The oversize of second level dehydration and vibration sieve 207, second level dehydration and vibration sieve 207 is the material of 0.074~2mm, is admitted to cinder field heap
It puts;Enter C slurry storage tank 2011 through the fine granular materials of second level dewatering screen 207 and recycled or be discharged into sedimentation basin 2010.
As shown in figure 3, in the configuration of the slurry storage tank of one embodiment according to the present utility model, A slurry storage tank 301 and B
Slurry storage tank 303 is connected directly by gasket 302, and flexible gasket 302 is clipped among two slots to prevent slurries from seeping
Leakage, B slurry storage tank 303 and C slurry storage tank 305 are connected by unicom pipeline 304, and three slurry storage tanks are commonly mounted on pedestal 306
On.
In one embodiment of the utility model, the slurry storage tank 2014,2013,2011 in Fig. 2 is respectively corresponded in Fig. 3
Slurry storage tank 301,303,305.
Other side according to the present utility model provides a kind of for mud caused by shield machine digging operation
Mud-water separation method, characterized by comprising:
It is depressurized with mud of the decompression cabinet to pending mud-water separation,
The mud from decompression cabinet is sieved with pre- sub-sieve, the oversize of pre- sub-sieve is sent into cinder field and is stacked, is made
The second slurry storage tank that the material of the sieve of pre- sub-sieve sequentially enters the first slurry storage tank and is connected to the first slurry storage tank is crossed,
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;
Sand washer and level-one dehydration and vibration sieve,
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 overflow to the second slurry storage tank with 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 second level dehydration and vibration sieve,
The oversize of second level dehydration and vibration sieve is discharged,
Fine granular materials through second level dewatering screen are sent into third slurry storage tank, it is heavy to be recycled and/or be discharged into
Shallow lake pond.
The advantages of mud and water separating equipment and method of the shield machine mud according to the present utility model includes: due in level-one
Cyclone bottom increases sand washer washing process, and a large amount of clay components is enable to separate with sandstone material, overcomes well existing
There is the deficiency of Slurry treatment technique, 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 makes the dregs largely discarded originally become qualified concrete material and obtains recycling and reusing, both created high
Economic benefit, and national resources is protected not to be wasted;
Second, discarded dregs discharge amount 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 bring environmental pollution;
Third, due to falling into the material on vibration screen without clay mortar, sieve is not easy to be blocked, and improves screening effect
Rate ensure that the safe and stable operation of construction production.
Claims (3)
1. the mud and water separating equipment for mud caused by shield machine digging operation, characterized by comprising:
Interconnected the first slurry storage tank (2014) and the second slurry storage tank (2013),
First Pulp pump (2012) and level-one cyclone (205), the second slurry storage tank (2013) pass through the first slurry of slurry channel
Pump (2012) is connected to level-one cyclone (205);
Third slurry storage tank (2011) and sedimentation basin (2010), level-one cyclone (205) are connected by overflow fine grained slurry channels
To third slurry storage tank (2011);
Sand washer (204) and level-one dehydration and vibration sieve (203), level-one cyclone (205) are connected by underflow coarse granule slurry channels
It being connected to sand washer (204), sand washer (204) is connected to the second slurry storage tank (2013) by clay mortar overflow ducts,
Level-one dehydration and vibration sieves (203);
The second slurry storage tank (2013) in the material downstream of the sieve of level-one dehydration and vibration sieve (203) is set;
Second Pulp pump (209) and second cyclone (208), third slurry storage tank (2011) is through material channel and passes through the second slurry
Pump (209) is connect with second cyclone (208), and second cyclone (208) is connected to precipitating by overflow fine grained slurry channels
Pond (2010) and/or third slurry storage tank (2011);
Second level dehydration and vibration sieves (207), and second cyclone (208) is connected to second level dehydration and vibration by bottom slurry channel and sieves
(207)。
2. mud and water separating equipment according to claim 1, it is characterised in that:
First slurry storage tank and the second slurry storage tank are connected directly by gasket (302), and flexible gasket (302) is clipped in the
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).
3. mud and water separating equipment according to claim 1, it is characterised in that further comprise:
The decompression cabinet (202) that the mud of input is depressurized,
To the pre- sub-sieve (201) that is sieved of mud from decompression cabinet (202),
Pre- sub-sieve (201) is arranged on the material upstream of the first slurry storage tank (2014), enters through the material of the sieve of pre- sub-sieve
First slurry storage tank.
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CN201820937611.2U CN208943644U (en) | 2018-06-16 | 2018-06-16 | Mud and water separating equipment for mud caused by shield machine digging operation |
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CN201820937611.2U CN208943644U (en) | 2018-06-16 | 2018-06-16 | Mud and water separating equipment for mud caused by shield machine digging operation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112794606A (en) * | 2020-12-24 | 2021-05-14 | 山东大学 | Muck treatment system and method for shield |
CN113210120A (en) * | 2021-04-15 | 2021-08-06 | 温州大学 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
CN114516690A (en) * | 2022-02-24 | 2022-05-20 | 武汉地质勘察基础工程有限公司 | Waste slurry treatment system and method |
CN114737899A (en) * | 2022-02-22 | 2022-07-12 | 深圳市工勘岩土集团有限公司 | Mud purification and separation structure |
CN114961603A (en) * | 2022-02-22 | 2022-08-30 | 深圳市工勘岩土集团有限公司 | Assembled mud multistage slagging-off purifies circulating device |
-
2018
- 2018-06-16 CN CN201820937611.2U patent/CN208943644U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112794606A (en) * | 2020-12-24 | 2021-05-14 | 山东大学 | Muck treatment system and method for shield |
CN113210120A (en) * | 2021-04-15 | 2021-08-06 | 温州大学 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
CN114737899A (en) * | 2022-02-22 | 2022-07-12 | 深圳市工勘岩土集团有限公司 | Mud purification and separation structure |
CN114961603A (en) * | 2022-02-22 | 2022-08-30 | 深圳市工勘岩土集团有限公司 | Assembled mud multistage slagging-off purifies circulating device |
CN114516690A (en) * | 2022-02-24 | 2022-05-20 | 武汉地质勘察基础工程有限公司 | Waste slurry treatment system and method |
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