CN107952263A - A kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity - Google Patents
A kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity Download PDFInfo
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- CN107952263A CN107952263A CN201711020969.5A CN201711020969A CN107952263A CN 107952263 A CN107952263 A CN 107952263A CN 201711020969 A CN201711020969 A CN 201711020969A CN 107952263 A CN107952263 A CN 107952263A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000005189 flocculation Methods 0.000 claims abstract description 39
- 238000009826 distribution Methods 0.000 claims abstract description 35
- 230000016615 flocculation Effects 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000000151 deposition Methods 0.000 claims abstract description 10
- 239000006228 supernatant Substances 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 206010051986 Pneumatosis Diseases 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000003311 flocculating effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity, raw water enters the ring-type distribution pipe around adjustable guide shell by water inlet pipe, enter mixed flocculation area upper strata by multiple nozzles in ring-type distribution pipe again, form hydraulic cyclone；By the effect of ring wall and adjustable guide shell, rotating current complete flocculation process in mixed flocculation area；Water after flocculation flows into depositing separation area by the lower section in mixed flocculation area and carries out mud-water separation, and supernatant is collected by being arranged on the catch basin above depositing separation area；The body refuse enrichment region that body refuse after separation is downwardly into pond body lower part is concentrated.The advantage of the invention is that pond type simple structure, spoil disposal is more reliable,, can be by the change to guide shell setting height(from bottom) and the automatic adjustment of mud scraper scraper plate when tackling raw water of different nature, the raw water changed greatly to the turbid and turbidity of height has well adapting to property.
Description
Technical field
The present invention relates to the mud-water separation technical field of ultra in water engineering, and in particular to one kind is used for turbidity and becomes
Change larger adaptive hydraulic cyclone desilting method, the raw water changed greatly suitable for high concentrtion and turbidity under scale is smaller situation
Pretreatment.
Background technology
Often occur silt content in China the Yellow River, Upper Yangtze River and its each mainstream, tributary throughout the year or seasonal higher show
As.In water engineering category, such raw water quality is muddy, sediment charge is larger, is known as " ultra ".It is former for such
Water, China also accordingly formulate《Ultra's water su pply specification》Professional standard.Wherein, the pretreatment of ultra's feedwater is set
Apply, the equipment protection and effluent quality to subsequent treatment process ensure particularly critical.In some areas, high turbidity raw sewage is often
The characteristics of in the presence of being changed greatly with season turbidity, this adaptability to water processing establishment propose the requirement of higher.
Common pretreatment mode includes setting regulating reservoir or preformed precipitate structures.Wherein, water set regulating reservoir by
Landform and land used limitation, and apply in general in fairly large water engineering.At present, commonly using preliminary sedimentation structures pattern includes：
Flat flow, width streaming, hydraulic cyclone preliminary sedimentation etc..Wherein, flat flow spoil disposal is difficult, floor space is larger；There is also lead for width streaming
Flow and with the problems such as water condition is poor, floor space is larger.Above two pond type is normally only suitable for large-scale and medium-sized water factory.
Traditional vertical waterpower spiral-flow desilting pool structure is relatively simple, and occupation of land is less, and rotation is formed by tangentially intaking, from
And reach coagulation effect.But, it was also found that the pond type water entry is single in practice process, hydraulic cyclone effect is often unable to reach
Expected design；Some improved hydrocyclone pools arrange reason due to structure, it has to using eccentric gearing mud scraper, in original
When water turbidity is higher, equipment guarantee rate is extremely low, and operation energy consumption is higher, ineffective.It is suitable for therefore, it is necessary to one kind middle or small
Type water factory, waterpower good to raw water turbidity change adaptability, that coagulation effect is good, equipment guarantee rate is high, spoil disposal is convenient and reliable is revolved
Flow preliminary sedimentation tank mode.
The content of the invention
The present invention is a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity, according to the heavy of ultra
Drop characteristic, it substantially increases the effect of hydraulic cyclone by the way of annular multiple spot water distribution, improves the flocculation effect of ultra
Fruit；By structure layout optimization, using center driving mode, improve equipment dependability and reach energy saving purpose；Can by setting
Guide shell is adjusted, greatly strengthen the adaptability to raw water change；Using the row of simple and reliable precipitation separation and automatic adjusument
Mud mode, solves the problems, such as that existing processing structures spoil disposal is difficult, effluent quality is unstable, plant maintenance amount is big etc..
To achieve these goals, the technical scheme is that：A kind of adaptive waterpower changed greatly for turbidity
Spiral-flow desilting method, it is characterised in that pool center sets mixed flocculation area, and the mixed flocculation area is provided with precipitation point
From area, ring wall is equipped between mixed flocculation area and depositing separation area, mixed flocculation area is connected with the lower section of depositing separation area,
Pool bottom is body refuse enrichment region, and adjustable guide shell is provided with mixed flocculation area, is set around the adjustable guide shell
There is ring-type distribution pipe, the ring-type distribution pipe is connected with water inlet pipe, and ring-type distribution pipe is equipped with multiple nozzles, the multiple nozzle
It is in circumferentially equidirectional setting, this method comprises the following steps：
A, raw water enters the ring-type distribution pipe around adjustable guide shell by water inlet pipe, then by multiple in ring-type distribution pipe
Nozzle enters mixed flocculation area upper strata, forms hydraulic cyclone；
B, by the effect of ring wall and adjustable guide shell, rotating current flocculation process is completed in mixed flocculation area；
C, the water after flocculating flows into depositing separation area by the lower section in mixed flocculation area and carries out mud-water separation, and supernatant is heavy by being arranged on
Catch basin above the Disengagement zone of shallow lake is collected；The body refuse enrichment region that body refuse after separation is downwardly into pond body lower part is concentrated.
Preferably, the adjustable guide shell includes a hollow cylindrical body, the upper end outside of the hollow cylindrical body
Around being provided with ring-type distribution pipe, the bottom of the hollow cylindrical body is equipped with conical flow guiding wall, the conical flow guiding wall it is upper
End is engaged with the diameter of hollow cylindrical body, and the lower end diameter of the conical flow guiding wall is more than upper end diameter.
Preferably, the hollow cylindrical body bottom is not closed.Conical flow guiding wall uses similar toroidal in theory
Formula, but in practice, due to being difficult control circularity and ensureing the intensity of the construction, it is therefore preferred to use polylith inclined plate with
The mode of welding is spliced.
Preferably, the ring-type distribution pipe is rectangle distributing pipe line, to facilitate installation to safeguard.
Preferably, spoil disposal district center is equipped with sludge hopper, and the sludge hopper connects sludge pipe, and sludge discharging area bottom sets mud scraper,
Scraper plate on mud scraper is equipped with lifting device, and mud scraper sets torque detecting apparatus, to monitor the moment of torsion of mud scraper, when moment of torsion surpasses
When crossing limit value, illustrating that bed mud siltation is serious, cleaning shoe is by automatic lifting certain altitude, after upper strata is shaved compared with sposh slag, then
Height is reduced, scrapes the higher sludge of lower floor's concentration.
Preferably, more steel radiation catch basins, the more steels radiation catch basin and position are set above Disengagement zone
Central annular catch basin in center connects, and the central annular catch basin passes through total effluent trough and the water outlet being arranged on outside pond body
Canal connects.
Preferably, adjustable guide shell is provided with the scrotiform hole of several different heights, realizes the height of adjustable guide shell
Degree is adjusted.When raw water turbidity is relatively low, the height of adjustable guide shell can be suitably reduced, so as to increase the flocculation reaction time, carried
High effluent quality.
Preferably, to prevent top duct pneumatosis, automatic exhaust device at one is set in ring-type rectangle distribution pipe.
Preferably, pipe end of intaking sets threeway and blank flange, facilitates pipeline to rush mud, spoil disposal.
Preferably, ring-type rectangle distribution pipe lower part sets many places blind flange to rush mud mouth.
The present invention is by reasonable Arrangement ring-type distribution pipe and be circular layout nozzle, the effective guarantee formation of hydraulic cyclone,
Wherein water distribution system uses " large resistance underdrain system " principle, ensure that the water distribution uniformity of each nozzle；Nozzle is in along circular rings
Shape multiple spot is arranged, is formed " the relay effect " of hydraulic cyclone, is ensured the formation of follow-up flocculation rate gradient.Hydraulic cyclone mode
Mechanical equipment is eliminated, it is more particularly suitable for the more serious ultra of equipment attrition, the flocculation mode.In coagulating area
Interior, due to the presence of guide shell and pool wall, rotating water velocity is from fast to slow, in theory linear change, is formed preferable
Velocity gradient changes.The streams also ensure that coagulated particles have larger contact strength and more preferable reaction condition in water,
Particular for ultra mud amount after adding high polymer coagulant is big, quick separating the characteristics of；Guide shell is set in reaction zone
Adjustable type is set to, by the change of its setting height(from bottom), ensures that it has stronger adaptability in the range of certain turbidity；It is logical
Structure layout optimization is crossed, the present invention uses center driving mud scraper, low with failure rate, energy-saving safe, the spy such as easy maintenance
Point.In addition, the scraper plate on mud scraper is equipped with automatic lifting device, changed according to the resistance for scraping mud process, lifting or reduction scraper plate
Height, realize stronger adaptation function.For high turbidity raw sewage spoil disposal water is big, concentration is high, easily it is hardened in the case of, scraper plate
The relatively low sludge of upper strata concentration can be first struck off, then reduces height, slowly effectively scrapes the higher sludge of lower floor's concentration.Which can
Effectively prevent " overload " of mud scraper from running, play the role of protecting equipment；In addition, adjustable scraper plate is also substantially increased to not
With the adaptability of raw water turbidity condition.Limited by mud scraper mechanical strength and pond body depth, it is turbid particularly suitable for flood peak
Higher and turbidity is spent to should not be too large with the larger situation of seasonal variations, treatment scale of the invention, therefore in the height of medium and small water factory
Application value is had more in turbidity water pretreatment.
The advantage of the invention is that pond type simple structure, spoil disposal is more reliable, when tackling raw water of different nature, can lead to
The change to guide shell setting height(from bottom) and the automatic adjustment of mud scraper scraper plate are crossed, the raw water changed greatly to the turbid and turbidity of height has
Well adapting to property.
Brief description of the drawings
Fig. 1 is the floor map of one embodiment of the invention.
Fig. 2 is the profile along the line A-A in Fig. 1.
Fig. 3 is the profile along the line B-B in Fig. 1.
Figure includes：
Water inlet manifold 1, water inlet pipe 2, rectangular interface 3, ring-type rectangle distribution pipe 4, rush mud mouth 5, be nozzle 6, blank flange 7, automatic
Exhaust apparatus 8, mud scraper transmission device 9, aeration tube 10, adjustable guide shell 11, flocculation zone 12, body refuse enrichment region 13, separation
Area 14, steel radiation catch basin 15, central annular catch basin 16, total effluent trough 17, outlet canal 18, center sludge hopper 19, spoil disposal
Pipe 20.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The present invention is a kind of adaptive hydraulic cyclone desilting mode changed greatly for turbidity, and as shown in drawings, example is basic
For circular platform type pond body, it is made of flocculation zone 12, body refuse enrichment region 13, Disengagement zone 14.Therefore the present invention will be mixed quickly, waterpower is wadded a quilt with cotton
Solidifying and mud-water separation is integrated in one.The technical process of the present invention is as follows：
Raw water is entered in pond body by water inlet manifold 1 from water inlet pipe 2, and inorganic salt coagulant is added according to condition of water quality at 1
Or high polymer coagulant.By water inlet pipe 2, raw water is entered the ring-type rectangle point around adjustable guide shell 11 by rectangular interface 3
Pipe arrangement 4.During specific design, unsuitable too small, the requirement of one side uniform water distribution of flow velocity in distribution pipe 4 also can be maximum
Reduce the possibility of deposition.Four nozzles 6 are picked out in the bottom of ring-type rectangle distribution pipe 4, so that forming waterpower rotation in pond body
Quick mixed effect under stream effect.The arrangement of nozzle 6 should consider exit velocity, away from factors such as water surface distances, to ensure
The requirement quickly mixed.
To ensure water distribution uniformity more than 95%, the design of rectangular tube and nozzle should meet following formula：
Sb≥0.273πDS0-0.4H/Q2
Wherein, SbFor the comprehensive friction and resistance coefficient of nozzle；
D be rectangular tube center line diameter, m；
S0For the comprehensive friction and resistance coefficient of rectangular tube unit length；
H for water inlet head, m；
Q is the design discharge m of pond body3/s。
In flocculation zone 12, by the effect of concrete-pool-wall and adjustable guide shell 11, rotating current complete flocculation
Process.Adjustable guide shell 11 realizes height condition by setting scrotiform hole in different height., can when raw water turbidity is relatively low
It is appropriate to reduce the height of guide shell 11, so as to increase the flocculation reaction time, improve effluent quality.To prevent that silt sinks in pipeline
Product, the present invention consider that many places set spoil disposal, rush mud measure.Threeway and blank flange 7 is set to facilitate pipeline to rush in 2 end of water inlet pipe
Mud, spoil disposal；4 lower part of ring-type rectangle distribution pipe sets many places blind flange to rush mud mouth 5.In addition, top duct pneumatosis is prevented, in ring
Automatic exhaust device 8 at one are set in shape rectangle distribution pipe 4.
Water after flocculation flows upwardly into Disengagement zone 14 by 12 lower end of flocculation zone and carries out mud-water separation.Supernatant is by more steels
Radiation catch basin 15 is collected, and imports central annular catch basin 16, finally by total effluent trough 17, flows into the outlet canal 18 outside pond.
The body refuse enrichment region 13 that body refuse after separation is downwardly into pond body lower part is concentrated；Body refuse after concentration is by pond body top
Heart mud scraper transmission device 9, drives the cleaning shoe of bottom of pond, body refuse is scraped into center sludge hopper 19, wherein, the scraper plate on mud scraper
Automatic lifting device is set, and when bed mud siltation is more serious, upper strata is scraped automatic lifting certain altitude by cleaning shoe compared with sposh slag
Recover after net, so that ensure that the normal operation of mud scraper, while which is also greatly improved and scrapes mud equipment in different raw waters
The adaptability of turbidity condition.When base sludge occurs hardened, the moment of torsion of mud scraper can be caused to rise, monitoring can be passed through in practice
The moment of torsion of mud scraper simultaneously sets limit value, and cleaning shoe is lifted when more than the limit value.Body refuse in center sludge hopper 19 by
In the static pressure of pond body internal water, discharged by sludge pipe 20.In addition, flocculation after raw water in flocculation zone 12 also some
Silt falls directly into enrichment region, does not enter back into Disengagement zone 14.
It is in place of being different from the prior art：First, it is made of water inlet pipe 2, rectangular interface 3, ring-type rectangle distribution pipe 4
Water distribution system.This water distribution system realizes to many places nozzle 6 and carries out uniform water distribution, ensures follow-up mixed effect, while also note
The problem of weight ultra easily causes siltation, many places set and rush mud spoil disposal facility；Second, by nozzle 6, adjustable in flocculation zone 12
The flocculation system that guide shell 11 and pool wall are formed, and unlike traditional Whirlwind tank, the adjustable guide shell 11 of the invention used
For hollow form, therefore central transmission rather than eccentric gearing conveniently can be used, which not only improves the efficiency of transmission device,
Be conducive to energy saving, be greatly reduced the failure rate of equipment, reduced the workload of plant maintenance；In addition, by varying water conservancy diversion
The height of cylinder 11, improves the adaptability that raw water turbidity is widely varied in device；3rd, it is easily hardened for ultra
Characteristic, mud scraper sets automatic lifting device, and when bed mud siltation is more serious, cleaning shoe protects automatic lifting certain altitude
Card also plays the effect of protection equipment and motor while scraping mud effect, and which is also greatly improved and scrapes mud equipment not
With the adaptability of raw water turbidity condition.Wherein, in Disengagement zone 14, steel radiation catch basin 15, central annular catch basin 16, always go out
The arrangement and design of sink 17 belong to the prior art, are not described in detail herein.
Claims (9)
- A kind of 1. adaptive hydraulic cyclone desilting method changed greatly for turbidity, it is characterised in that pool center sets mixing Flocculation zone, is provided with depositing separation area around the mixed flocculation area, annular is equipped between mixed flocculation area and depositing separation area Next door, mixed flocculation area are connected with the lower section of depositing separation area, and pool bottom is body refuse enrichment region, and mixed flocculation is provided with area Adjustable guide shell, ring-type distribution pipe is provided with around the adjustable guide shell, and the ring-type distribution pipe is connected with water inlet pipe, Ring-type distribution pipe is equipped with multiple nozzles, and the multiple nozzle is in circumferentially equidirectional setting, and this method comprises the following steps：A, raw water enters the ring-type distribution pipe around adjustable guide shell by water inlet pipe, then by multiple in ring-type distribution pipe Nozzle enters mixed flocculation area upper strata, forms hydraulic cyclone；B, by the effect of ring wall and adjustable guide shell, rotating current flocculation process is completed in mixed flocculation area；C, the water after flocculating flows into depositing separation area by the lower section in mixed flocculation area and carries out mud-water separation, and supernatant is heavy by being arranged on Catch basin above the Disengagement zone of shallow lake is collected；The body refuse enrichment region that body refuse after separation is downwardly into pond body lower part is concentrated.
- 2. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：The adjustable guide shell includes a hollow cylindrical body, is surrounded on the outside of the upper end of the hollow cylindrical body and is provided with ring Shape distribution pipe, the bottom of the hollow cylindrical body are equipped with conical flow guiding wall, the upper end of the conical flow guiding wall and hollow cylinder The diameter of structure is engaged, and the lower end diameter of the conical flow guiding wall is more than upper end diameter.
- 3. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：The ring-type distribution pipe is rectangle distributing pipe line, ensures the uniformity of multipoint water feeding, enhanced coagulation contact effect.
- 4. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 3, its feature exist In：Ring-type rectangle distribution pipe lower part sets many places blind flange to rush mud mouth.
- 5. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 3, its feature exist In：To prevent top duct pneumatosis, automatic exhaust device at one is set in ring-type rectangle distribution pipe.
- 6. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：Pipe end of intaking sets threeway and blank flange, facilitates pipeline to rush mud, spoil disposal.
- 7. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：Spoil disposal district center is equipped with sludge hopper, and the sludge hopper connects sludge pipe, and sludge discharging area bottom sets mud scraper, scraping on mud scraper Plate is equipped with lifting device, and mud scraper sets torque detecting apparatus, to monitor the moment of torsion of mud scraper, when moment of torsion exceedes limit value, Cleaning shoe is by automatic lifting certain altitude, after upper strata is shaved compared with sposh slag, then reduces height, scrapes the higher dirt of lower floor's concentration Mud.
- 8. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：More steel radiation catch basins, center of the more steels radiation catch basin with being located at center are set above Disengagement zone Annular collecting vat connects, and the central annular catch basin is connected by total effluent trough with the outlet canal being arranged on outside pond body.
- 9. a kind of adaptive hydraulic cyclone desilting method changed greatly for turbidity as claimed in claim 1, its feature exist In：Adjustable guide shell is provided with the scrotiform hole of several different heights, realizes that the height of adjustable guide shell is adjusted；Work as raw water When turbidity is relatively low, the height of adjustable guide shell can be suitably reduced, so as to increase the flocculation reaction time, improve effluent quality.
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| CN201711020969.5A CN107952263B (en) | 2017-10-26 | 2017-10-26 | Self-adaptive hydrocyclone sand settling method for large turbidity change |
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| CN114455737A (en) * | 2020-10-21 | 2022-05-10 | 中国石油化工股份有限公司 | High-hardness oilfield produced water sewage softening treatment system and treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272150A (en) * | 2019-07-19 | 2019-09-24 | 湖南科技大学 | A kind of sewage disposal device for the cyclone sediment filtering integral that flocculates |
| CN114455737A (en) * | 2020-10-21 | 2022-05-10 | 中国石油化工股份有限公司 | High-hardness oilfield produced water sewage softening treatment system and treatment method |
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