CN110171890A - Mobile shield slurry waste water circulating treating system and processing method - Google Patents
Mobile shield slurry waste water circulating treating system and processing method Download PDFInfo
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- CN110171890A CN110171890A CN201910532199.5A CN201910532199A CN110171890A CN 110171890 A CN110171890 A CN 110171890A CN 201910532199 A CN201910532199 A CN 201910532199A CN 110171890 A CN110171890 A CN 110171890A
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- 239000002002 slurry Substances 0.000 title claims abstract description 151
- 239000002351 wastewater Substances 0.000 title claims abstract description 96
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000004062 sedimentation Methods 0.000 claims abstract description 99
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 51
- 238000001728 nano-filtration Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000002244 precipitate Substances 0.000 claims abstract description 7
- 239000003814 drug Substances 0.000 claims description 52
- 239000010802 sludge Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 37
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 229940037003 alum Drugs 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 37
- 238000010276 construction Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000032258 transport Effects 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of mobile shield slurry waste water circulating treating system and processing method of the invention, the processing system includes preliminary sedimentation tank, for collecting the clear water reserviors, ultrafiltration apparatus of preliminary sedimentation slurry liquid, nanofiltration device and container in preliminary sedimentation tank, preliminary sedimentation tank is connect with clear water reserviors, at least two filters being arranged in parallel are connected between clear water reserviors and ultrafiltration apparatus, ultrafiltration apparatus is connect with nanofiltration device, and preliminary sedimentation tank, clear water reserviors, filter, ultrafiltration apparatus and nanofiltration device are set in container.Processing method includes mud waste water adjustment and preformed precipitate, slurry liquid caching, filtering, ultrafiltration, nanofiltration and clear water reuse.The processing system is recyclable, small, removable, suitable for shortage of water resources the construction site of occupied area, wastewater treatment capacity are big, and the processing method material price is low, operating cost is low, equipment loss is small and environmentally protective.
Description
Technical field
The present invention relates at wastewater treatment reutilization technology field more particularly to a kind of mobile shield slurry waste water circulation
Reason system and processing method.
Background technique
As national economy rapidly develops, modern society's traffic becomes increasingly complex, and promotes city and intercity rail traffic
Development is swift and violent.And tunnel and subway pipeline network construction are using slurry shield method constructing tunnel mainly based on shield-tunneling construction now
In the process, the excavation operation in order to facilitate shield machine down below, it will usually a large amount of mud stone dispersion is sprayed on shield machine disc
Agent and lubrication foam, so that containing a certain amount of chemical reagent in the shield slurry waste water digged up.This shield slurry waste water
If do not handled targetedly, be allowed to discharge groundwater resources for the survival of mankind, soil will be caused it is certain
Pollution, to jeopardize human health.China is broadly divided into reuse and over-the-counter place in field for the processing of shield slurry waste water at present
Two kinds of reason, the former is only that shield slurry waste water is carried out mud-water separation, can not be into stain disease is contained caused by mud-water separation
The reasonable disposition of row, though this method can be reduced the volume of shield dregs, the excess sludge obtained after filters pressing is handled is transported outside the venue,
But treatment effeciency is not high, and processing equipment is more demanding, and occupation area of equipment is larger, can not adjust setting position with construction speed,
Peace is torn open cumbersome；The latter is directly discharged to over-the-counter recharge processing, higher cost and larger to underground water environmental pollution, for discharge
Waste water afterwards equally can not be disposed reasonably.Therefore, there is no a conjunctions for disposition of the China to shield slurry waste water at present
The technology of suitable solution, this aspect still belongs to blank stage, this results in being processed into for one of shield slurry waste water
A technical problem, therefore it is necessary for studying a kind of shield slurry waste water recycling equipment and method.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, such as shield slurry waste water can not carry out rationally
Disposition, shield site operation area is narrow, construction site shortage of water resources, shield slurry waste water can not specific aim centralized processing, mud
Pulp waste water processing unit higher cost, takes up a large area and can not move low efficiency, provide a kind of recyclable, occupied area is small,
Removable, the construction site suitable for shortage of water resources, wastewater treatment capacity are greatly, long service life, cost is relatively low and environmentally protective
Mobile shield slurry waste water circulating treating system, filled up the blank of the prior art, also provide a kind of material price it is low, fortune
Row it is at low cost, equipment loss is small, it is environmentally protective, can realize to the maximum extent shield slurry waste water stabilize, innoxious shifting
Dynamic formula shield slurry waste water circulation process method.
In order to solve the above technical problems, invention uses following technical scheme:
A kind of movable type shield slurry waste water circulating treating system, including preliminary sedimentation tank, for collecting the preliminary sedimentation tank preliminary sedimentation
Clear water reserviors, ultrafiltration apparatus, nanofiltration device and the container of slurry liquid, the preliminary sedimentation tank are connect with the clear water reserviors, the clear water
At least two filters being arranged in parallel, the ultrafiltration apparatus and the nanofiltration device are connected between pond and the ultrafiltration apparatus
Connection, the preliminary sedimentation tank, clear water reserviors, filter, ultrafiltration apparatus and nanofiltration device are set in the container.
As a further improvement of the above technical scheme:
Further include the emergency lagoon being arranged in the container, filter membrane is equipped in the filter, the filter membrane will
The inside of the filter is separated into the first accommodating chamber and the second accommodating chamber, the first accommodating chamber of the clear water reserviors and each filter
Between connected respectively by first pipe, the second accommodating chamber of each filter connect with the ultrafiltration apparatus, each filter
Second pipe connection is passed sequentially through between first accommodating chamber, between the emergency lagoon and the first accommodating chamber of any filter
It is connected by third pipeline, is connected respectively by the 4th pipeline between the emergency lagoon and the first accommodating chamber of each filter
It connects, and emergency lagoon is connect with the preliminary sedimentation tank, is equipped with switch valve on each first pipe and each 4th pipeline.
The connection of the 5th pipeline is passed sequentially through between second accommodating chamber of each filter, wherein any filter
The second accommodating chamber and the ultrafiltration apparatus between by the 6th pipeline connect, the 6th pipeline be equipped with first push pump.
It further include the first medicament barrel and second medicament bucket being arranged in the container, it is first medicament barrel, described
The second push pump is respectively connected between second medicament bucket and the preliminary sedimentation tank.
The preliminary sedimentation tank is connected with enters mud pipe, and the enters mud pipe is equipped with third push pump, and enters mud pipe extend out to it is described
The outside of container, the preliminary sedimentation tank are connected with the first sludge pipe, and first sludge pipe is equipped with the first sludge pump, and first
Sludge pipe extend out to the outside of the container.
First accommodating chamber of each filter is respectively connected with the second sludge pipe, and is equipped on each second sludge pipe
Two dredge pumps, and each second sludge pipe extend out to the outside of the container, the nanofiltration device is connected with first and goes out
Water pipe, the 6th pipeline are connected with the second outlet pipe, first outlet pipe in the liquid feeding end side of the first push pump
The outside of the container is extend out to second outlet pipe and the two is equipped with outlet valve on the outside of the container.
Screw type inlet pipe is equipped in the preliminary sedimentation tank, the inlet pipe is threaded to preliminary sedimentation by the top disc of the preliminary sedimentation tank
The bottom in pond.
As a general technical idea, the present invention also provides a kind of mobile shield slurry waste water circulation process method,
The processing method is to be recycled using above-mentioned mobile shield slurry waste water circulating treating system to shield slurry waste water
Processing.
In above-mentioned mobile shield slurry waste water circulation process method, it is preferred that the following steps are included:
S1: mud waste water adjustment and preformed precipitate: shield slurry waste water is delivered in the preliminary sedimentation tank, and medicament is added, into
Row demulsification, flocculation, precipitating make waste water initial gross separation, obtain preliminary sedimentation slurry liquid and excess sludge；
S2: slurry liquid caching: gained preliminary sedimentation slurry liquid is delivered in the clear water reserviors and is cached, clay-water system is obtained
Liquid；
S3: filtering: gained plain cement slurries are delivered at least two filters being arranged in parallel and are filtered, are obtained
Cross cleaner liquid and excess sludge；
S4: ultrafiltration: the resulting Partial filtration clear liquid of step S3 is delivered in the ultrafiltration apparatus and is handled, is surpassed
Cleaner liquid；
S5: nanofiltration: gained ultrafiltration clear liquid is delivered in the nanofiltration device and is handled, qualified water is obtained；
S6: clear water reuse: qualified water obtained by step S5, the resulting another part of step S3 are crossed cleaner liquid and is used for shield machine
Recycling and domestic water complete the circular treatment to shield slurry waste water.
In above-mentioned mobile shield slurry waste water circulation process method, it is preferred that in the step S1, the medicament packet
Include alum solution, polyaluminum chloride aqueous solution and demulsifier aqueous solution, the alum solution, polyaluminum chloride aqueous solution and
The volume ratio of demulsifier aqueous solution is 1: 2: 1, and the mass concentration of the alum solution is 5%~15%, the polyaluminium
The mass concentration of aluminum water solution is 5%~15%, and the mass concentration of the demulsifier aqueous solution is 5%~15%；Described in control
The outle water rate of preliminary sedimentation tank is 40m3/ h~90m3/ h, the spoil disposal rate for controlling the preliminary sedimentation tank is 20m3/ h~60m3/h；
In the step S2, when the preliminary sedimentation slurry liquid excess being delivered in the clear water reserviors, by excessive preliminary sedimentation mud
Liquid is delivered in an emergency lagoon and is cached, when the clear water reserviors break down, using the emergency lagoon substitute clear water reserviors into
It exercises and uses, i.e., preliminary sedimentation slurry liquid is all delivered in the emergency lagoon；
In the step S3, when the clay-water system hydrorrhea stream being delivered in the filter, by the clay-water system of overflow
Liquid is delivered in the emergency lagoon and is cached, then is delivered in the filter and is filtered through emergency lagoon；Control the mistake
The spoil disposal rate of filter is 10m3/ h~30m3/h；
What the step S3 was obtained crosses in cleaner liquid, for being delivered to the Partial filtration clear liquid of the ultrafiltration apparatus and being used for
It is 5: 1 that the ratio for crossing cleaner liquid with another part of domestic water, which is recycled, in shield machine；
In the step S4, the outle water rate for controlling the ultrafiltration apparatus is 20m3/ h~60m3/h；
In the step S5, the outle water rate for controlling the nanofiltration device is 20m3/ h~60m3/h。
In the present invention, the preliminary sedimentation slurry liquid of preliminary sedimentation tank and the plain cement slurry content of clear water reserviors can be identical, can also omit
It has any different.It is mainly a small amount of in clear water reserviors since the insoluble solid contained in shield slurry waste water has removed in preliminary sedimentation tank
Suspended solid and soluble solids, therefore almost without precipitating in clear water reserviors.
Compared with the prior art, the advantages of the present invention are as follows:
1, the present invention provides at a kind of recyclable, removable, strong operability mobile shield slurry waste water circulation
Reason system, so that each device is closely coupled, is complemented each other by designing and optimizing the position of each device, can effectively by
Clear water circulating and recovering is effectively treated into shield slurry waste water, rather than just mud-water separation, compensates for the blank of the prior art, real
This most important target of shield slurry cycling utilization of wastewater is showed.
2, existing shield scene usually construction area is narrow, construction site shortage of water resources, shield slurry waste water can not be directed to
Property centralized processing, especially China's major part subway construction site be in city, small construction area is to limit shield slurry waste water
The main bottleneck of on-site disposal techniques scale.Conventional molding sewage treatment equipment generallys use biological treatment mode, takes up an area face
Product is larger, operation processing step is relatively complicated, more demanding to environment and appointed condition, leads to not in Urban Metro Construction mouth
The problems such as carrying out rational deployment.Since mobile shield slurry waste water circulating treating system structure of the invention is simple, operation is steady
It is fixed, occupied area is small, long service life, setting position can be adjusted with construction speed by mobile, it is useless to handle shield slurry in real time
Water can effectively solve the problem that shield site operation area is narrow, construction site shortage of water resources, shield to obtaining circulating and recovering water resource
Structure mud waste water can not specific aim centralized processing the shortcomings that.
3, the preliminary treatment device of existing shield slurry waste water, as reuse in the field mentioned in background and over-the-counter processing are related to
Device, treating capacity is small, and higher cost, takes up a large area low efficiency, can not with construction speed adjust setting position, peace tear open it is numerous
It is trivial and larger to underground water environmental pollution.And the recyclable place of mobile shield slurry waste water circulating treating system of the invention
Reason, treating capacity is big, and small investment, low energy consumption, operation cost is lower, and operation expense is low, energy conservation and environmental protection, there is higher application
Value and preferable application prospect.
4, the material price that mobile shield slurry waste water circulation process method of the invention uses is low, and operating cost is low,
Equipment loss is small, and environmentally protective, can realize to the maximum extent shield slurry waste water stabilize, innoxious in-situ processing and
Circulation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mobile shield slurry waste water circulating treating system in the embodiment of the present invention.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is the structural representation of filter in mobile shield slurry waste water circulating treating system in the embodiment of the present invention
Figure.
Fig. 4 is the structural representation of preliminary sedimentation tank in mobile shield slurry waste water circulating treating system in the embodiment of the present invention
Figure.
Each label indicates in figure:
1, preliminary sedimentation tank；11, the second push pump；12, enters mud pipe；13, third push pump；14, the first sludge pipe；15, first
Sludge pump；16, inlet pipe；17, the first medicament delivery pipe；18, second medicament delivery pipe；19, the second slurry pipeline；2, clear water
Pond；21, the first slurry pipeline；3, filter；31, filter membrane；32, the first accommodating chamber；33, the second accommodating chamber；331, the 5th
Pipeline；332, the 6th pipeline；333, the first push pump；334, the second outlet pipe；34, first pipe；35, second pipe；36,
Three pipelines；37, the 4th pipeline；38, switch valve；39, the second sludge pipe；391, the second dredge pump；4, ultrafiltration apparatus；45, clear liquid
Delivery pipe；5, nanofiltration device；51, the first outlet pipe；52, outlet valve；6, emergency lagoon；7, the first medicament barrel；8, second medicament bucket；
9, container.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific preferred embodiment.
As shown in Figure 1 to Figure 3, the mobile shield slurry waste water circulating treating system of the present embodiment, including preliminary sedimentation tank 1,
For collecting clear water reserviors 2, ultrafiltration apparatus 4, nanofiltration device 5 and the container 9 of 1 preliminary sedimentation slurry liquid of preliminary sedimentation tank, preliminary sedimentation tank 1 and clear water
Pond 2 connects, and two filters 3 (clear water reserviors 2 and the ultrafiltration apparatus 4 being arranged in parallel are connected between clear water reserviors 2 and ultrafiltration apparatus 4
Between can also be arranged in parallel multiple filters 3), ultrafiltration apparatus 4 is connect with nanofiltration device 5.The preliminary sedimentation tank 1, clear water reserviors 2,
Filter 3, ultrafiltration apparatus 4 and nanofiltration device 5 are set in the container 9.In the structure, preliminary sedimentation tank 1, for collecting preliminary sedimentation
The clear water reserviors 2 of 1 preliminary sedimentation slurry liquid of pond, two filters 3, ultrafiltration apparatus 4 and the nanofiltration device 5 being arranged in parallel are sequentially connected, and are made
It being separated by solid-liquid separation in process, mud waste water enters in preliminary sedimentation tank 1, the slurry liquid on upper layer enters back into clear water reserviors 2 and is cached,
The slurry liquid of clear water reserviors 2 respectively enters filter 3 again and is filtered processing, and obtained clear water is again successively after the filtering of filter 3
Further filtration treatment is carried out into ultrafiltration apparatus 4 and nanofiltration device 5, finally obtains can be used in shield from nanofiltration device 5
The water (qualified water, and use water to soil is free of contamination) that machine is recycled and life uses.This movable type shield slurry waste water
Each equipment complements each other in circulating treating system, and operation expense is low, and it is short to can make up for it shield site operation location water resource
Lack, shield slurry waste water can not specific aim centralized processing, mud waste water processing unit higher cost, low efficiency the shortcomings that, have
Higher application value and preferable application prospect.
In the present embodiment, filter membrane 31 is equipped in filter 3, the inside of filter 3 is separated into the first appearance by filter membrane 31
It receives room 32 and the second accommodating chamber 33, is connected respectively by first pipe 34 between clear water reserviors 2 and the first accommodating chamber 32 of each filter 3
It connects, the second accommodating chamber 33 of each filter 3 is connect with ultrafiltration apparatus 4.It is same by the filter 3 being set side by side in the structure
Slurry liquid in step processing clear water reserviors 2, improves treatment effeciency.It further include the emergency lagoon 6 being arranged in container 9 in the present embodiment,
The connection of second pipe 35, emergency lagoon 6 and the first of any filter 3 are passed sequentially through between first accommodating chamber 32 of each filter 3
It is connected between accommodating chamber 32 by third pipeline 36, respectively by the between emergency lagoon 6 and the first accommodating chamber 32 of each filter 3
The connection of four pipelines 37, and emergency lagoon 6 is connect with preliminary sedimentation tank 1.In the structure, between the first accommodating chamber 32 of each filter 3 successively
It is connected in series by second pipe 35, increases the compactedness of structure；Emergency lagoon 6 is used for emergency processing, and there are two types of answer the tool of emergency lagoon 6
At urgent need, the first is, can be with overflow to emergency lagoon 6 when the slurry liquid excess in the first accommodating chamber 32 for flowing into filter 3
Inside cached；Be for second, when in clear water reserviors 2 slurry liquid excess or clear water reserviors 2 break down when, in preliminary sedimentation tank 1
Slurry liquid can partly or entirely be flowed into emergency lagoon 6 and be cached, meanwhile, the slurry liquid in emergency lagoon 6 can also pass through
Four pipelines 37, which enter in filter 3, is filtered processing.In the present embodiment, it is all provided on tetra- pipeline 37 of each first pipe 34 and Ge
There is switch valve 38, can control the usage quantity of filter 3, extend the service life of filter 3, reduces the maintenance of filter 3
Cost also can control the transport status of slurry liquid.In the present embodiment, successively lead between the second accommodating chamber 33 of each filter 3
Cross the connection of the 5th pipeline 331, wherein pass through the 6th pipeline between the second accommodating chamber 33 and ultrafiltration apparatus 4 of any filter 3
332 connections, the 6th pipeline 332 are equipped with the first push pump 333.In the structure, between the second accommodating chamber 33 of each filter 3 according to
It is secondary to pass through the series connection of the 5th pipeline 331, increase the compactedness of structure, the first push pump 333 is used for the second accommodating chamber 33
Filtering clear liquid pump enters in ultrafiltration apparatus 4.
It further include the first medicament barrel 7 and second medicament bucket 8 being arranged in container 9, the first medicament barrel in the present embodiment
7, the second push pump 11 is respectively connected between second medicament bucket 8 and preliminary sedimentation tank 1.In the structure, the first medicament barrel 7 and second medicament
Bucket 8 adds medical fluid into preliminary sedimentation tank 1 by respective second push pump 11 respectively, improves the convenience of dosing.
In the present embodiment, preliminary sedimentation tank 1 is connected with enters mud pipe 12, and enters mud pipe 12 is equipped with third push pump 13, and enters mud pipe
12 extend out to the outside of container 9, which is arranged in container 9, can pass through transport
Container 9, which is realized, to be moved integrally, and mobility is improved, and enters mud pipe 12 is used to connect in the mud collection area domain outside container 9, third
Push pump 13 is for being pumped into the shield slurry waste water in mud collection area domain to preliminary sedimentation tank 1.
In the present embodiment, preliminary sedimentation tank 1 is connected with the first sludge pipe 14, and the first sludge pipe 14 is equipped with the first sludge pump 15,
And first sludge pipe 14 extend out to the outside of container 9.In the structure, the heavy mud in preliminary sedimentation tank 1 passes through 15 edge of the first sludge pump
The first sludge pipe 14 be evacuated to the external equipment of container 9, external equipment has tipper etc..
In the present embodiment, the first accommodating chamber 32 of each filter membrane 31 is respectively connected with the second sludge pipe 39, each second sludge pipe
The second dredge pump 391 is equipped on 39, and each second sludge pipe 39 extend out to the outside of container 9.In the structure, filter membrane
Excess sludge in 31 the first accommodating chamber 32 is drawn to container 9 along the second sludge pipe 39 by the second dredge pump 391
External equipment.
In the present embodiment, nanofiltration device 5 is connected with the first outlet pipe 51, the 6th pipeline 332 in the first push pump 333 into
Liquid end side is connected with the second outlet pipe 334, and the first outlet pipe 51 and the second outlet pipe 334 extend out to the outside of container 9
And the two is equipped with outlet valve 52 in the outside of container 9.In the structure, it can reach when through the filtered liquid of filter 3
Clear liquid when requirement, when can be used for shield machine recycling and domestic water, in the second accommodating chamber 33 of filter 3
It can be discharged and be used by the outlet valve 52 opened on the second outlet pipe 334, conversely, closing the outlet valve on the second outlet pipe 334
52；Clear liquid in nanofiltration device 5 is discharged by the outlet valve 52 opened on the first outlet pipe 51 to be used.
In the present embodiment, as shown in figure 4, being equipped with screw type inlet pipe 16 in preliminary sedimentation tank 1, inlet pipe 16 is by preliminary sedimentation tank 1
Top disc be threaded to the bottom of preliminary sedimentation tank 1, screw type inlet pipe 16 is used for the flow path along long mud, facilitates the wadding of mud
It is solidifying.
Whole assembly: the first medicament barrel 7, the liquid medicine delivery outlet of second medicament bucket 8 and the liquid medicine of preliminary sedimentation tank 1 are defeated
Entrance connection, the preliminary sedimentation slurry liquid delivery outlet of preliminary sedimentation tank 1 is connected to the preliminary sedimentation slurry liquid input port of clear water reserviors 2, preliminary sedimentation tank 1 it is pre-
Heavy slurry liquid delivery outlet is connected to the preliminary sedimentation slurry liquid input port of emergency lagoon 6, the plain cement slurries delivery outlet of clear water reserviors 2 respectively with
(wherein the side of the first accommodating chamber 32 is arranged in plain cement slurries input port for the plain cement slurries input port connection of two filters 3
On wall), the emergency slurry liquid delivery outlet of emergency lagoon 6 is connected to the emergency slurry liquid delivery outlet of any filter 3 (wherein, to be filtered
The emergency slurry liquid delivery outlet of device 3 is arranged on the side wall of the first accommodating chamber 32), the emergency slurry liquid delivery outlet of emergency lagoon 6 with
The emergency slurry liquid input port of each filter 3 be connected to (wherein, filter 3 emergency slurry liquid input port setting first hold
It receives on the side wall of room 32)；Second accommodating chamber 33 of each filter 3 is connected in series by the 5th pipeline 331, any filter 3
The side wall of second accommodating chamber 33 was equipped with cleaner liquid delivery outlet, this crosses cleaner liquid delivery outlet and the lower layer of ultrafiltration apparatus 4 filters
The connection of clear liquid input port, the upper layer overflowing liquid delivery outlet of each filter 3 are connected to (mistake with the upper layer overflowing liquid input port of emergency lagoon 6
The overflowing liquid delivery outlet of filter 3 is arranged on the side wall of the first accommodating chamber 32), the upper layer overflowing liquid delivery outlet of each filter 3 according to
Secondary serial communication, the upper layer overflowing liquid delivery outlet of any filter 3 are connected to the upper layer overflowing liquid input port of emergency lagoon 6, ultrafiltration
The ultrafiltration clear liquid delivery outlet of device 4 is connected to the ultrafiltration clear liquid input port of nanofiltration device 5；Equipment is set in container 9.This shifting
Dynamic formula shield slurry waste water circulating treating system, by optimizing the position of each device, so that each device is closely coupled, Xiang Fuxiang
At operation expense is low, has that structure is simple, stable, long service life, occupied area are small, removable, operability
The advantages that strong, can make up for it narrow shield site operation area, construction site shortage of water resources, shield slurry waste water can not specific aim
Centralized processing, low efficiency, takes up a large area irremovable disadvantage at mud waste water processing unit higher cost, has higher
Application value and preferable application prospect.
Wherein, the liquid medicine input port of the liquid medicine delivery outlet of the first medicament barrel 7 and preliminary sedimentation tank 1 passes through the first medicament
Delivery pipe 17 is connected, and the first medicament delivery pipe 17 is equipped with second for being transported to liquid medicine in preliminary sedimentation tank 1
Push pump 11, the liquid medicine delivery outlet of second medicament bucket 8 and the liquid medicine input port of preliminary sedimentation tank 1 are conveyed by second medicament
Pipe 18 is connected to, and second push for being transported to liquid medicine in preliminary sedimentation tank 1 also is provided in second medicament delivery pipe 18
Pump 11, the preliminary sedimentation slurry liquid delivery outlet of preliminary sedimentation tank 1 and the preliminary sedimentation slurry liquid input port of clear water reserviors 2 pass through the first slurry pipeline 21
Connection, the preliminary sedimentation slurry liquid delivery outlet of preliminary sedimentation tank 1 and the preliminary sedimentation slurry liquid input port of emergency lagoon 6 pass through the second slurry pipeline 19
Connection, the ultrafiltration clear liquid delivery outlet of ultrafiltration apparatus 4 and the ultrafiltration clear liquid input port of nanofiltration device 5 are connected by clear liquid delivery pipe 45
It is logical.The problems such as movable type shield slurry waste water circulating treating system can not only avoid material leakage in transmission process, moreover it is possible to
Enough be further reduced occupied area, while guaranteeing system stable operation the operability of further lifting system and use the longevity
Life.
In the present embodiment, container 9 is the TEU (Twenty-foot Equivalent Unit) of long 1200mm, width 2500mm, high 2300mm；Preliminary sedimentation tank 1
Having a size of R2000mm, H2500mm, the bottom of preliminary sedimentation tank 1 is the cylindrical steel drum of funnel type, and material is carbon steel, thick 5.00mm；
Clear water reserviors 2, emergency lagoon 6 are secondary settling tank, and having a size of R1000mm, H2000mm, bottom is the cylindrical steel drum of funnel type, and material is
Carbon steel, thick 5.00mm；The size of filter 3 is the bag filter of R520mm, H1640mm；First medicament pond bucket 7 and the second medicine
The size of agent bucket 8 is the cylindrical PE pharmacy jar of R880mm, H1250mm；Ultrafiltration apparatus 4, nanofiltration device 5 size be length
4000mm, width 1850mm, high 800mm；Each pipeline is the rubber tube for meeting HG2184-91 standard, and preferred rubber tube volume is straight
Diameter is 203mm；Each pump is single-stage single-sucking verticle centrifugel, model NL100-16.
The system of shield slurry waste water circular treatment of the present invention, by optimizing the position of each device, so that each device is tight
It is close to be connected, it complements each other, operation expense is low, has that structure is simple, stable, long service life, occupied area are small, can
The advantages that mobile, strong operability, it can make up for it that shield site operation area is narrow, construction site shortage of water resources, shield slurry
Waste water can not specific aim centralized processing, mud waste water processing unit higher cost, low efficiency, take up a large area it is irremovable lack
Point has higher application value and preferable application prospect.
Embodiment 2
A kind of mobile shield slurry waste water circulation process method of the invention, using the movable type in above-described embodiment 1
Shield slurry waste water circulating treating system carries out in-situ processing to shield slurry waste water, comprising the following steps:
S1: mud waste water adjustment and preformed precipitate: shield slurry waste water is delivered in preliminary sedimentation tank 1 by enters mud pipe 12, is led to
Crossing third push pump 13 and controlling into mud rate is 25m3/ h pushes away the medicament in the first medicament barrel 7, second medicament bucket 8 second
It send and is sent into preliminary sedimentation tank 1 by the first medicament delivery pipe 17, second medicament delivery pipe 18 respectively under the push of pump 11, according to medicament
Volume ratio with shield slurry waste water is that 1: 1000 (dosage of medicament is determined according to field test) is added, Chinese medicine
Including mass concentration be 4% alum solution, mass concentration be 11% polyaluminum chloride aqueous solution, mass concentration 6%
Demulsifier aqueous solution (preferably use polyacrylamide solution), the volume ratio of three is 1: 2: 1, alum solution and demulsification
Agent aqueous solution is in the first medicament barrel 7, and polyaluminum chloride aqueous solution is in second medicament bucket 8.Then quickly stirring keeps mud useless
Water demulsification, flocculation, rapid precipitation obtain preliminary sedimentation slurry liquid (supernatant liquor) and excess sludge.Preliminary sedimentation slurry liquid prepares under being sent into
Container 9 is discharged in one process (clear water reserviors 2), excess sludge, and control spoil disposal rate is 20m3/ h, transports field by transport vehicle later
Outside.The step mainly shield slurry waste water is adjusted, preformed precipitate, processing the time be total up to 3.5h.
S2: slurry liquid caching: the preliminary sedimentation slurry liquid that step S1 is obtained, which is sent into clear water reserviors 2, carries out slurry liquid caching, obtains
To plain cement slurries.Since the insoluble solid contained in shield slurry waste water has removed in preliminary sedimentation tank 1, the inner master of clear water reserviors 2
If a small amount of suspended solid and soluble solids, therefore almost without precipitating in clear water reserviors 2.When the slurry liquid mistake in clear water reserviors 2
When amount, the preliminary sedimentation slurry liquid in preliminary sedimentation tank 1, which can partially flow into emergency lagoon 6, to be cached, when clear water reserviors 2 break down,
Preliminary sedimentation slurry liquid in preliminary sedimentation tank 1 can all flow into emergency lagoon 6, at this time standby pool of the emergency lagoon 6 as clear water reserviors 2, into
The caching of row slurry liquid.
S3: the plain cement slurries that step S2 is obtained filtering: are delivered to the first of at least two filters 3 being arranged in parallel
It is filtered in accommodating chamber 32, suction filtration rate is 40m3Cleaner liquid and excess sludge is obtained in/h, crosses cleaner liquid and is loaded into filtering
In second accommodating chamber 33 of device 3, excess sludge is in the first accommodating chamber 32.It is (super that Partial filtration clear liquid prepares feeding subsequent processing
Filter), another part crosses cleaner liquid and prepares discharge container 9 for clear water reuse, and Partial filtration clear liquid crosses filtering with another part
The ratio of liquid is 5: 1.Container 9, control row is discharged through the second sludge pipe 39 under the action of the second dredge pump 391 in excess sludge
Mud rate is 20m3/ h is transported outside the venue by transport vehicle later.In the steps, mainly plain cement slurries are buffered, are filtered,
The processing time is total up to 3h.
In the step, when clear water reserviors 2 operate normally, plain cement slurries enter the of filter 3 by first pipe 34
It, can be to be delayed in overflow to emergency lagoon 6 when the plain cement slurries excess flowed into the first accommodating chamber 32 in one accommodating chamber 32
It deposits, for two filters 3 are set in Fig. 1, is followed successively by first filter, 3, second filters 3 from left to right, then the
Excessive plain cement slurries in first accommodating chamber 32 of two filters 3 pass through 35 overflow of second pipe to first filter 3
The first accommodating chamber 32 in, excessive plain cement slurries in the first accommodating chamber 32 of first filter 3 pass through third pipeline 36
Into emergency lagoon 6, the plain cement slurries in emergency lagoon 6 are sent into filter 3 by the 4th pipeline 37 to be filtered for overflow.Emergency
Pond 6 and filter 3 are circulatory systems, and switch valve 38 between the two can be normally opened, and the emergency lagoons 6 such as can also close has expired again
It opens.The cleaner liquid of crossing that first filter 3 and second filter 3 obtain after filtering is stored in respective second accommodating chamber 33
In, the cleaner liquid of crossing in the second accommodating chamber 33 of first filter 3 can be by the 5th pipeline 331 second filter 3 of inflow
The second accommodating chamber 33 in, in the second accommodating chamber 33 of second filter 3 cross cleaner liquid then partially pass through the 6th pipeline 332
It flows into ultrafiltration apparatus 4, container 9 is discharged by the second outlet pipe 334 in another part.When clear water reserviors 2 are out of order, then by answering
Anxious pond 6 substitutes clear water reserviors 2.Emergency lagoon 6 can receive preliminary sedimentation slurry liquid as the standby pool with precipitating and pooling feature simultaneously
It is all finally to send to filter 3 to be filtered processing, the opening and closing of switch valve 38 can carry out according to the actual situation with plain cement slurries
Control.
S4: the Partial filtration clear liquid of step S3 ultrafiltration: is passed through into the 6th pipeline 332 under the action of the first push pump 333
It send and carries out hyperfiltration treatment into ultrafiltration apparatus 4, obtain ultrafiltration clear liquid.
S5: nanofiltration: ultrafiltration clear liquid is sent by clear liquid delivery pipe 45 to nanofiltration device 5 and carries out nanofiltration processing (depth mistake
Filter), obtain qualified water.
S6: clear water reuse: another part obtained by qualified water obtained by step S5, step S3 is crossed into cleaner liquid and passes through second respectively
Outlet pipe 334, the discharge of the first outlet pipe 51, discharge process can be controlled by the switch of outlet valve 52, and discharge water is recycled to
Shield machine water completes the circular treatment to shield slurry waste water, it may also be used for domestic water.
The mobile shield slurry waste water circulation process method material price that the present embodiment uses is low, operating cost is low, sets
Standby loss is small, environmentally protective, can realize shield slurry waste water to the maximum extent stabilizes, innoxious, the mobile shield of use
Structure mud waste water circulating treating system, structure is simple, stable, long service life, occupied area are small, it is removable, can operate
Property it is strong, the qualified effluent quality finally generated is good, with high purity, turbidity is less than 0.02NTU, it is pollution-free, can be used directly.Test knot
Structure shows that system day handles mud waste water 250t, generates qualified water outlet 103t, and effluent quality reaches urban wastewater treatment firm dirt
The secondary standard for contaminating object discharge standard (GB 18918-2002), can direct emission and recycling.
Embodiment 3:
A kind of mobile shield slurry waste water circulation process method of the invention, using the movable type in above-described embodiment 1
Shield slurry waste water circulating treating system carries out in-situ processing to shield slurry waste water, and processing step is substantially the same manner as Example 1,
Difference is that some processes parameter is different, and specific difference is as follows:
In step S1: being 40m into mud rate3/ h, medicament include the alum solution that mass concentration is 7%, mass concentration
For 15% polyaluminum chloride aqueous solution, mass concentration be 8% demulsifier aqueous solution (polyacrylamide solution), three's
Volume ratio is 1: 2: 1, and the spoil disposal rate of excess sludge is 25m3/h.The step mainly shield slurry waste water is adjusted,
Preformed precipitate, processing time are total up to 3h.
In step S3: suction filtration rate is 50m3/ h, the spoil disposal rate of excess sludge are 25m3/h.In the step, mainly pair
Supernatant liquor is buffered, is filtered, and the processing time is total up to 3h.
The qualified effluent quality that the present embodiment finally generates is good, with high purity, turbidity is less than 0.02NTU, it is pollution-free, can be direct
It uses.Test structure shows that system day handles mud waste water 400t, generates qualified water outlet 147t, and effluent quality reaches cities and towns
The secondary standard of Wastewater Treatment discharge standard (GB 18918-2002), can direct emission and recycling.
Embodiment 4:
A kind of mobile shield slurry waste water circulation process method of the invention, using the movable type in above-described embodiment 1
Shield slurry waste water circulating treating system carries out in-situ processing to shield slurry waste water, and processing step is substantially the same manner as Example 1,
Difference is technological parameter part difference, and specific difference is as follows:
In step S1: being 60m into mud rate3/ h, medicament include the alum solution that mass concentration is 8%, mass concentration
For 15% polyaluminum chloride aqueous solution, mass concentration be 8% demulsifier aqueous solution (polyacrylamide solution), three's
Volume ratio is 1: 2: 1, and the spoil disposal rate of excess sludge is 30m3/h.The step mainly shield slurry waste water is adjusted,
Preformed precipitate, processing time are total up to 3.5h.
In step S3: suction filtration rate is 60m3/ h, the spoil disposal rate of excess sludge are 30m3/h.In the step, mainly pair
Supernatant liquor is buffered, is filtered, and the processing time is total up to 3h.
The qualified effluent quality that the present embodiment finally generates is good, with high purity, turbidity is less than 0.02NTU, it is pollution-free, can be direct
It uses.Test structure shows that system day handles mud waste water 600t, generates qualified water outlet 216t, and effluent quality reaches cities and towns
The secondary standard of Wastewater Treatment discharge standard (GB 18918-2002), can direct emission and recycling.
Although invention is disclosed as above with preferred embodiment, it is not limited to invent.It is any to be familiar with this field
Technical staff, in the case where not departing from inventive technique scheme range, all using the technology contents of the disclosure above to invention skill
Art scheme makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from hair
The content of bright technical solution according to inventive technique any simple modification substantially made to the above embodiment, equivalent variations and is repaired
Decorations should all be fallen in the range of inventive technique scheme protection.
Claims (10)
1. a kind of movable type shield slurry waste water circulating treating system, it is characterised in that: including preliminary sedimentation tank (1), for collecting
State the clear water reserviors (2), ultrafiltration apparatus (4), nanofiltration device (5) and container (9) of preliminary sedimentation tank (1) preliminary sedimentation slurry liquid, the preliminary sedimentation
Pond (1) is connect with the clear water reserviors (2), be connected between the clear water reserviors (2) and the ultrafiltration apparatus (4) be arranged in parallel to
Few two filters (3), the ultrafiltration apparatus (4) connect with the nanofiltration device (5), the preliminary sedimentation tank (1), clear water reserviors (2),
Filter (3), ultrafiltration apparatus (4) and nanofiltration device (5) are set in the container (9).
2. movable type shield slurry waste water circulating treating system according to claim 1, it is characterised in that: further include setting
Emergency lagoon (6) in the container (9) is equipped with filter membrane (31) in the filter (3), and the filter membrane (31) is by institute
The inside for stating filter (3) is separated into the first accommodating chamber (32) and the second accommodating chamber (33), the clear water reserviors (2) and each filter
(3) it is connected respectively by first pipe (34) between the first accommodating chamber (32), the second accommodating chamber (33) of each filter (3) is equal
It is connect with the ultrafiltration apparatus (4), second pipe (35) is passed sequentially through between the first accommodating chamber (32) of each filter (3) even
It connects, is connect between the emergency lagoon (6) and the first accommodating chamber (32) of any filter (3) by third pipeline (36),
It is connect respectively by the 4th pipeline (37) between the emergency lagoon (6) and the first accommodating chamber (32) of each filter (3), and
Emergency lagoon (6) is connect with the preliminary sedimentation tank (1), is equipped with out on each first pipe (34) and each 4th pipeline (37)
It closes valve (38).
3. movable type shield slurry waste water circulating treating system according to claim 2, it is characterised in that: each filtering
The connection of the 5th pipeline (331) is passed sequentially through between the second accommodating chamber (33) of device (3), wherein the of any filter (3)
It is connect between two accommodating chambers (33) and the ultrafiltration apparatus (4) by the 6th pipeline (332), is set on the 6th pipeline (332)
There is the first push to pump (333).
4. movable type shield slurry waste water circulating treating system according to claim 3, it is characterised in that: further include setting
The first medicament barrel (7) and second medicament bucket (8) in the container (9), first medicament barrel (7), second medicine
The second push pump (11) is respectively connected between agent bucket (8) and the preliminary sedimentation tank (1).
5. movable type shield slurry waste water circulating treating system according to claim 4, it is characterised in that: the preliminary sedimentation tank
(1) be connected with enters mud pipe (12), the enters mud pipe (12) is equipped with third push pump (13), and enters mud pipe (12) extend out to it is described
The outside of container (9), the preliminary sedimentation tank (1) are connected with the first sludge pipe (14), and first sludge pipe (14) is equipped with the
One sludge pump (15), and the first sludge pipe (14) extend out to the outside of the container (9).
6. movable type shield slurry waste water circulating treating system according to claim 5, it is characterised in that: each filtering
The first accommodating chamber (32) of device (3) is respectively connected with the second sludge pipe (39), is equipped with second on each second sludge pipe (39)
Dredge pump (391), and each second sludge pipe (39) extend out to the outside of the container (9), the nanofiltration device (5)
It is connected with the first outlet pipe (51), the liquid feeding end side of the push pump of the 6th pipeline (332) Yu Suoshu first (333) is connected with
Second outlet pipe (334), first outlet pipe (51) and second outlet pipe (334) extend out to the container (9)
Outside and the two outlet valve (52) are equipped on the outside of the container (9).
7. movable type shield slurry waste water circulating treating system according to any one of claim 1 to 6, feature exist
In being equipped with screw type inlet pipe (16) in: the preliminary sedimentation tank (1), the inlet pipe (16) by the preliminary sedimentation tank (1) top
It spirals to the bottom of preliminary sedimentation tank (1).
8. a kind of movable type shield slurry waste water circulation process method, it is characterised in that: the processing method is using such as right
It is required that mobile shield slurry waste water circulating treating system described in any one of 1 to 7 carries out at circulation shield slurry waste water
Reason.
9. movable type shield slurry waste water circulation process method according to claim 8, it is characterised in that: including following step
It is rapid:
S1: mud waste water adjustment and preformed precipitate: shield slurry waste water is delivered in the preliminary sedimentation tank (1), and medicament is added, and is carried out
Demulsification, flocculation, precipitating make waste water initial gross separation, obtain preliminary sedimentation slurry liquid and excess sludge；
S2: slurry liquid caching: gained preliminary sedimentation slurry liquid is delivered in the clear water reserviors (2) and is cached, clay-water system is obtained
Liquid；
S3: filtering: gained plain cement slurries are delivered at least two filters (3) being arranged in parallel and are filtered, are obtained
Cross cleaner liquid and excess sludge；
S4: ultrafiltration: the resulting Partial filtration clear liquid of step S3 is delivered in the ultrafiltration apparatus (4) and is handled, is surpassed
Cleaner liquid；
S5: nanofiltration: gained ultrafiltration clear liquid is delivered in the nanofiltration device (5) and is handled, qualified water is obtained；
S6: clear water reuse: qualified water obtained by step S5, the resulting another part of step S3 are crossed into cleaner liquid and are used for shield machine circulation
Using and domestic water, complete to the circular treatment of shield slurry waste water.
10. movable type shield slurry waste water circulation process method according to claim 9, it is characterised in that: the step
In S1, the medicament includes alum solution, polyaluminum chloride aqueous solution and demulsifier aqueous solution, and the alum solution gathers
The volume ratio for closing aluminum chloride aqueous solution and demulsifier aqueous solution is 1: 2: 1, the mass concentration of the alum solution is 5%~
15%, the mass concentration of the polyaluminum chloride aqueous solution is 5%~15%, and the mass concentration of the demulsifier aqueous solution is
5%~15%；The outle water rate for controlling the preliminary sedimentation tank (1) is 40m3/ h~90m3/ h controls the spoil disposal of the preliminary sedimentation tank (1)
Rate is 20m3/ h~60m3/h；
In the step S2, when the preliminary sedimentation slurry liquid excess being delivered in the clear water reserviors (2), by excessive preliminary sedimentation slurry liquid
It is delivered in an emergency lagoon (3) and is cached, when the clear water reserviors (2) break down, substituted using the emergency lagoon (3) clear
Pond (2) is carried out using preliminary sedimentation slurry liquid is all delivered in the emergency lagoon (3)；
In the step S3, when the clay-water system hydrorrhea stream being delivered in the filter (3), by the plain cement slurries of overflow
It is delivered in the emergency lagoon (3) and is cached, then be delivered in the filter (3) and be filtered through emergency lagoon (3)；Control
The spoil disposal rate of the filter (3) is 10m3/ h~30m3/h；
What the step S3 was obtained crosses in cleaner liquid, for being delivered to the Partial filtration clear liquid of the ultrafiltration apparatus (4) and being used for
It is 5: 1 that the ratio for crossing cleaner liquid with another part of domestic water, which is recycled, in shield machine；
In the step S4, the outle water rate for controlling the ultrafiltration apparatus (4) is 20m3/ h~60m3/h；
In the step S5, the outle water rate for controlling the nanofiltration device (5) is 20m3/ h~60m3/h。
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| CN201910532199.5A CN110171890A (en) | 2019-06-19 | 2019-06-19 | Mobile shield slurry waste water circulating treating system and processing method |
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| CN201910532199.5A CN110171890A (en) | 2019-06-19 | 2019-06-19 | Mobile shield slurry waste water circulating treating system and processing method |
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