CN108751374A - A kind of high-effective gas Heisui River precipitation separation device - Google Patents
A kind of high-effective gas Heisui River precipitation separation device Download PDFInfo
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- CN108751374A CN108751374A CN201810882473.7A CN201810882473A CN108751374A CN 108751374 A CN108751374 A CN 108751374A CN 201810882473 A CN201810882473 A CN 201810882473A CN 108751374 A CN108751374 A CN 108751374A
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- 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
- C02F1/5281—Installations for water purification using chemical agents
Abstract
The invention discloses a kind of high-effective gas Heisui River precipitation separation devices, including shell, inclined plate combination unit, flocculant mixing and stirring tank, flocculation reaction agitator tank, the row's of helping agitating device, the row's of helping stirring harrow frame；Flocculant mixing and stirring tank and flocculation reaction agitator tank are separately installed with adjustable speed blender, and flocculant mixing and stirring tank is connected to flocculation reaction agitator tank, and is communicated in enclosure interior；Material is mixed with flocculant in mixing and stirring tank, and the inclined plate combination unit flowed into shell by flocculation reaction agitator tank carries out shallow layer settling；The lower part of shell is concentrate collecting region, and the row's of helping raker stirrer is set up in concentrate collecting region, and the row's of helping agitating device is sequentially connected stirs harrow frame in the row of helping；The top of inclined plate combination unit is equipped with primary water overflow launder, and primary water overflow launder is communicated with the outside of shell.The present invention can greatly improve such material cocnentration factor in flocculation treatment low concentration, low-gravity when containing particulate, fine granule material, improve material purification, clarifying efficiency.
Description
Technical field
The present invention relates to low concentration, low-gravities, are separated by solid-liquid separation field containing particulate, fine granule material flocculating setting, specifically
It is related to a kind of high-effective gas Heisui River precipitation separation device.
Background technology
Coal chemical industry belongs to highly water intensive industry, and the Heisui River containing lime-ash generated with air-flow bed coal-gasification device is generally clear by Heisui River
Clear system is clarified, and the Heisui River after clarified separation lime-ash can not only reduce the load of sewage-treatment plant, moreover it is possible to realize big portion
Divide primary water circulating and recovering in process unit, reaches water-saving and emission-reducing purpose.Usually a concentration of 15- after the concentration of clarification Heisui River
25%, cocnentration factor requires up to 10 to 20, in circular clarifying water solid content it is general≤100 × 10-6, and this kind of Heisui River is due to dense
It spends low (1-2%), lime-ash proportion small (1.2-2.5), fine size (50-80%<0.05mm), natural subsidence speed is slow, needs to add
Flocculant flocculates lime-ash increases sinking speed at big floc sedimentation, improves clarifying efficiency.But in terms of actual motion effect, different gas
Change technology is influenced by factors such as coal quality, gasification furnace gasification result and clarifier structure operations, and profit is recycled in gasification installation
In primary water, solid content tends to exceed 100 × 10-6-500 of design value × 10-6, exists to pipeline, equipment certain
Attrition and attack is unfavorable for realizing the maximization that primary water recycles, can also increase cost of equipment maintenance, extreme influence coal gas
Long period continuous and steady operation is set in makeup.
Currently, existing Heisui River clarifying equipment is also known as defecator, clarifying basin, subsider, sedimentation basin etc., it is to carry out Heisui River
The key equipment of clarifying treatment, be it is a kind of by flocculation reaction process and clarified separation process synthesis in the clarifying equipment of one, it is main
There are two kinds of traditional flat flow and ramp type (or inclined tube-type).Ramp type (or inclined tube-type) Heisui River defecator now used belongs to allusion quotation
The shallow layer precipitating of type, the DENSADEG potassium permanganate composites based on treated sewage develop, and have larger change compared to flat flow
Into.Although there is larger Optimal improvements in structure, there are still shortcomings and problem with structure for clarification process, as flocculant is mixed
Mixing time is closed to choose by plumbing sewage flocculation standard empirical value, it is special for such pulp water material size property and flocculating setting
Property type selecting is not strong；Flocculant is mixed intensive parameter and fixes, and equipment stirs handling deficiency；Flocculation reaction area uses parallel folding
Structure is returned, although simple structure, management are conveniently, material flocculation process and reaction time are long, and material flocculating effect is not
Stablize, and pond is big, installation and maintenance are more difficult, folded plate is costly；Inclined plate settling section uses short slab formula (1m or so), for
Pulp water material flocculation and settling properties play insufficient with mechanism of shallow-layer sedimentation effect.The above structure causes that flocculation efficiency is low, structure
Compactedness is poor, occupation area of equipment is big, the defecator turn rake big rotating speed of body is low, groove body sealing surface is big, operating power consumption is high, investment is big
Etc. various problems.
The lamella thickener or efficient tilting plate thickener of conventional mineral manufacture field can also be used for the flocculation of such material it is dense,
Clarification can have certain effect, but system ontology structure is without the efficient flocculant mixing specially designed for such coal gasification material
With flocculation reaction device structure.Studies have shown that flocculation mixing occupies important control shadow with flocculation reaction in material flocculating setting
The factor of sound, mix stages will be such that the coagulant of input is rapidly and evenly distributed in slurry, and quickly mixing requires to have quick and acute
Strong waterpower or mechanical agitation generally can be completed within several seconds short time；The flocculation reaction stage, it is desirable that taken off steady
Grain is mainly scaled to the floccule body with good settling property with flocculation in the same direction, thus flocculation reaction stage stirring intensity and
Water velocity should be continuously decreased with the increase of floccule body, avoided the floccule body assembled broken and influenced flocculation sediment effect
Fruit.Simultaneously as flocculation reaction is a floccule body gradually increased slow procedure, if needing floccule body to increase after coagulating
It grows to sufficiently large particle size to remove by precipitating, needs to ensure certain flocculation time, and mechanical agitation is to improve
The preferable measure of flocculation efficiency in the same direction.
Use open architecture at the top of existing tradition lamella thickener or efficient tilting plate thickener equipment, no sealing device,
High temperature and lime-ash Heisui River environment containing volatile toxic and harmful gas cannot use.
Lamella thickener or efficient tilting plate thickener underflow enrichment region mostly use gravity flow discharge, mostly without with stirring and lifting
The row's of the helping agitating device being integrated.Research shows that the floc sedimentation after particulate fine granule material precipitation forms dense layer, itself is only leaned on
Gravity is difficult to squeeze out the water between floc sedimentation, and process is very long inefficient；Simultaneously as the distribution of such material size is not
Uniformly, high specific gravity coarse-grained material easily deposits plugging, and easily makes enrichment region concentration discharge uneven.
Invention content
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of high-effective gas Heisui River precipitation separation device, is wadding a quilt with cotton
Solidifying processing low concentration, low-gravity can greatly improve such material cocnentration factor when containing particulate, fine granule material, and it is net to improve material
Change, clarifying efficiency, becomes oblique with the efficient Heisui River of coal gasification apparatus that compact-sized, handling is strong, occupation area of equipment is small
Plate precipitates piece-rate system.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of high-effective gas Heisui River precipitation separation device, including shell and inclined plate combination unit, flocculant are mixed
Harrow frame stirs in tank, flocculation reaction agitator tank, the row's of helping agitating device and the row of helping；The flocculant mixing and stirring tank and flocculation reaction are stirred
Tank is mixed to be set to the outside of the shell and be separately installed with adjustable speed blender；The flocculant mixing and stirring tank is communicated in institute
Flocculation reaction agitator tank is stated, and is equipped with material and flocculant adding mouth, the flocculation reaction agitator tank is communicated in the shell
Portion；The inclined plate combination unit is disposed in the housing portion, and flocculation material is after flocculation reaction agitator tank flows into the shell
Drain into the inclined plate combination unit；The lower part of the shell is concentrate collecting region, and the row's of helping raker stirrer is set up in described dense
In contracting object collecting region, the row's of helping agitating device is sequentially connected stirs harrow frame in the row of helping；The bottom of the shell is equipped with row
Material mouth；The top of the inclined plate combination unit is equipped with primary water overflow launder, and the primary water overflow launder is communicated with the outside of shell.
Further, the top of the shell is equipped with sealing structure.
Further, the flocculant mixing and stirring tank and flocculation reaction agitator tank are set to the top of the outside of the shell
Or the top of side, charging and discharge method of the flocculant mixing and stirring tank using bottom in and top out, flocculation reaction agitator tank
Charging using upper entering and lower leaving and discharge method.
Further, the blender is adjustable speed blender, mainly by variable-frequency motor, speed reducer and rabbling mechanism group
At the variable-frequency motor is connected to rabbling mechanism by speed reducer.
Further, the discharge gate of the flocculation reaction agitator tank corresponds to the centre bit at the top of the inclined plate combination unit
It sets, when height difference deficiency can connect inclined plate combination unit bottom corresponding housing position.
Further, the flocculation reaction agitator tank is communicated in the inside of the shell, the discharge by drainage line
Motor-driven valve is installed on pipeline.
Further, position corresponding with concentrate collecting region is provided with the sample tap communicated with outside on the shell.
Further, the top of the concentrate collecting region is cylindrical, and lower part is in back taper.
Further, the sealing structure is equipped with the instrument interface and observation panel communicated with the enclosure interior.
Further, the row's of helping agitating device includes transmission device and drive link, and the transmission device includes that stirring is gone
Motor, lifting motor and corresponding deceleration mechanism are walked, drive is connected to the drive link, and drive link is connected to described
Harrow frame stirs in the row of helping, and the drive link lower part is equipped with anti-deflection device；The stirring movable motor is variable speed machine, stirring row
It walks motor and contains torque sensor；The lifting motor driving drive link drives rising or falling for the row's of helping stirring harrow frame.
Further, the row's of helping stirring harrow frame is mainly made of stirring blade and scraper plate.
The beneficial effects of the present invention are：Apparatus of the present invention can realize that different particulates, fine granule material and flocculant are mixed
Sum velocity, time and flocculation stirring reaction speed, the adjusting and cooperation of time, to the mixing of optimization material, flocculation reaction, fully
It plays inclined plate shallow layer settling and the stirring of underflow enrichment region helps heavy synergistic effect, improving thickening efficiency has significant advantage, at present
It has not been reported in the related art.
Description of the drawings
Fig. 1 is the front schematic view of device in the embodiment of the present invention 1；
Fig. 2 is the side schematic view of Fig. 1.
Specific implementation mode
Below with reference to attached drawing, the invention will be further described, it should be noted that the present embodiment is with this technology side
Premised on case, detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to this reality
Apply example.
Embodiment 1
As shown in Figs. 1-2, a kind of high-effective gas Heisui River precipitation separation device, including shell 1, flocculant mixing and stirring tank
5, harrow frame 3 stirs in flocculation reaction agitator tank 6, inclined plate combination unit 2, the row's of helping agitating device 4 and the row of helping；The flocculant mixing is stirred
Tank 5 and flocculation reaction agitator tank 6 is mixed to be set to the outside of the shell 1 and be separately installed with adjustable speed blender 14 and 7；It is described
Flocculant mixing and stirring tank 5 is communicated in the flocculation reaction agitator tank 6, and is equipped with material and flocculant adding mouth, the flocculation
Reaction agitator tank 6 is communicated in inside the shell 1；Inclined plate combination unit 2 is set to inside the shell 1, flocculation material from
Flocculation reaction agitator tank 6 flow to the inclined plate combination unit 2 after flowing into the shell 1；The lower part of the shell 1 is concentrate
Collecting region 15, the row's of helping stirring harrow frame 3 are set in the concentrate collecting region 15, and the row's of helping agitating device 4 is sequentially connected
Harrow frame 3 is stirred in the row of helping；The bottom of the shell 1 is equipped with discharge gate；The top of the inclined plate combination unit 2 is equipped with clarification
Water overflow launder 8, the primary water overflow launder 8 are communicated with the outside of shell 1.
The operation principle of above-mentioned high-effective gas Heisui River precipitation separation device is：First into flocculant mixing and stirring tank 5
Material and flocculant is added, keeps material quick in advance with flocculant by the adjustable speed blender 14 of flocculant mixing and stirring tank 5
Mixing flows into flocculation reaction agitator tank 6 with the mixed material of flocculant, is mixed slowly by adjustable speed blender 7, complete
Flocculation material is obtained at flocculation reaction.Flocculation material is flowed into from flocculation reaction agitator tank 6 in the shell 1, flows through inclined plate combination
Device 2.Part coarse granule flocculate directly sinks to concentrate collecting region 15, and fine grained flocculate is in inclined plate combination unit 2
Under inclined plate shallow layer settling synergistic effect, in rapid subsidence to inclined plate and it is snapped down to the formation dense layer flocculation of concentrate collecting region 15
Object.Primary water is flowed up along inclined plate, and clarified water overflow launder 8 collects outside discharge shell 1.
The row's of helping agitating device 4 drives the row's of helping stirring rotation of harrow frame 3 to be stirred dense layer flocculate, is helping
Under the shearing of stirring blade 31 and squeezing action of row's stirring harrow frame 3, the water inside dense layer flocculate further divides with dense layer
From, through inclined plate combination unit 2 along overflow launder be discharged, so that dense layer flocculate concentration is improved again.Be achieved in low concentration,
Low-gravity, the flocculating setting clarification of particulate, fine granule material efficient stable.
It is described also to keep the cone of concentrate collecting region 15 bottom region dense under 32 stirring action of scraper plate that harrow frame 3 stirs in the row of helping
Degree is stablized relatively, prevents concentrate deposition from blocking.
Further, the top of the shell 1 is equipped with sealing structure 10.Setting sealing structure 10 can prevent toxic gas
It overflows.
Further, the flocculant mixing and stirring tank 5 and flocculation reaction agitator tank 6 are set to the outside of the shell 1
The top of top or side, the flocculant mixing and stirring tank 5 are stirred using the charging and discharge method, flocculation reaction of bottom in and top out
Mix charging and discharge method of the tank 6 using upper entering and lower leaving.
In the present embodiment, the adjustable speed blender 14 and 7 is mainly by variable-frequency motor, speed reducer and rabbling mechanism group
At the variable-frequency motor is connected to rabbling mechanism by speed reducer, can be according to actual needs to mixing velocity or mixing speed
It is adjusted.
Further, the discharge gate of the flocculation reaction agitator tank 6 corresponds to the center at the top of the inclined plate combination unit 2
Position, when height difference deficiency, may be coupled to inclined plate combination unit bottom corresponding housing position.
Further, the flocculation reaction agitator tank 6 is communicated in the inside of the shell 1 by drainage line, described
Motor-driven valve 9 is installed in drainage line.It can be adjusted according to the needs the flow velocity of flocculation material by the motor-driven valve 9.
Further, position corresponding with concentrate collecting region 15 is provided with the sampling communicated with outside on the shell 1
Mouth 13.In the present embodiment, there are three the different sample taps 13 of height difference for setting on the shell 1, in practical applications, Ke Yigen
According to the sample tap for needing that different number is arranged.It can be sampled and be carried out from cylinder taper concentrate collecting region by the sample tap 13
Detection, or it is mounted directly detection device.When not needing sample detection, sample tap 13 is in closed state.
In the present embodiment, the top of above-mentioned concentrate collecting region 15 is cylindrical, and lower part is in back taper.
Further, the sealing structure is equipped with instrument interface 12 and observation panel 11, passes through the instrument
Interface 12 can install the instruments such as liquid level gauge, pressure gauge, safety valve, utilize observation panel then 1 materials inside of observable shell
Flowing and clarification situation.Instrument interface 12 and observation panel 11 are in closed state when not in use.
In the present embodiment, position corresponding with primary water overflow launder 8 is equipped with observation panel 11 in the sealing structure, so as to
In respectively to clarification situation and Flow of Goods and Materials situation observe.
In the present embodiment, the row's of helping agitating device 4 includes transmission device 41 and drive link 42, the transmission device 41
Stirring movable motor and lifting electric be sequentially connected in the drive link 42, the drive link 42 is sequentially connected in the row of helping
Harrow frame 3 is stirred, 42 lower part of drive link is equipped with anti-deflection device 16.
In the present embodiment, the transmission device 41 of the row's of helping agitating device 4 is installed on the outside of shell 1, drive link 42
It stretches into the shell 1, the drive link 42 is connected with sealing structure 10 by sleeve sealing.
In the present embodiment, the transmission device 41 is mainly by stirring movable motor, lifting motor and corresponding speed reducer
Composition, movable motor are connected to drive link by speed reducer.Stirring movable motor is variable speed machine, and rotating speed can be adjusted, and
Torque sensor is installed, to realize that adjusting helps rotation and the mixing speed of row's stirring harrow frame, keeps concentrate collecting region
The concentration of dense layer flocculate is stablized relatively.
In the present embodiment, the row's of helping stirring harrow frame 3 is mainly made of stirring blade 31 and scraper plate 32, the scraper plate 32
Bottom when being in contact with the bottom interior wall of the concentrate collecting region 15, can be bonded in the bottom of the concentrate collecting region 15
Wall.In the present embodiment, the bottom interior wall of the concentrate collecting region 15 is in back taper, and the bottom of the scraper plate 32 is in and concentration
The identical triangle of the bottom interior wall angle of object collecting region 15.
The lifting motor can detect concentrate according to the torque sensor in electrical control or the stirring movable motor
The torque of collecting region, driving drive link 42 rise or fall together with the row's of helping stirring harrow frame 3, effectively avoid due to torque is excessive
It shuts down, there is a situation where feed blocking, to realize that discharge is thorough.
In the present embodiment, inclined plate combination unit 2 is installed on the top of the inside of shell 1, mainly by frame, enclose
Plate, inclined plate unit group composition；Length >=2 meter of inclined plate in the inclined plate unit group, the angle of each inclined plate and each inclined plate
Between spacing adjusted according to material properties.
Embodiment 2
The present embodiment will be tested according to the technical solution of embodiment 1, and experiment is divided into two parts progress, first part's experiment
Experiment On Flocculation is carried out using 1 rising amount cylinder, built-in adjustable liquid crystal rotating speed shows blender, external constant-temperature water-bath constant temperature.Examination
It tests material and uses certain factory Heisui River, measured concentration 1.4%, lime-ash proportion 2.1, granularity 85%<0.045mm, 88% > 0.005mm,
Belong to low-gravity low concentration particulate fine granule material.When 1 liter of experiment slurry of concentration 1.4% is heated to 85 DEG C by experiment every time,
Thermostat water bath is kept the temperature, and turn on agitator to first time sets speed of agitator, and fixed weight polyacrylamide stirring is added, and timing is stirred
It mixes to second of setting speed of agitator after a certain period of time, is quickly switched into, stops stirring after timing to setting mixing time, it is natural
Sedimentation time unified fixation, during which observes flocculate and sedimentation phenomenon, quickly extracts supernatant after settling terminal and measures containing admittedly
Amount, calculates concentrate concentration, and comparative test result is as shown in table 1：
Table 1
Second part experiment carries out Experiment On Flocculation using 2 liters of special graduated cylinders, and experiment material is same as above, built-in adjustable liquid crystal
Rotating speed shows that blender, blender use special blade, external constant-temperature water-bath constant temperature.Experiment is by 2 liters of concentration 1.4% every time
Experiment slurry is kept the temperature in thermostat water bath when being heated to 85 DEG C, presses first part's test method, fixed selection eight condition of upper table into
One two-stage mixing of row is put down with natural subsidence and different mixings time after flocculation stirring, is carried out with different rotating speeds destruction bottom dense layer
Weighing apparatus, carries out sedimentation contrast test, supernatant is quickly extracted to reach 25% concentration as a comparison, after experiment and measures solid content,
Concentrate concentration is calculated, comparative test result is as shown in table 2.
Table 2
As it can be seen that by different materials and flocculant mixing velocity, time and flocculation stirring speed, time, can improve
The thickening efficiency of material flocculation reaction and concentrate makes the sedimentation concentration time accelerate.And utilize the high-effective gasization of embodiment 1 black
Water sedimentation separator can then realize different materials and flocculant mixing velocity, time and flocculation stirring speed, time
Adjust and cooperation, to optimization material mixing, flocculation reaction, give full play to inclined plate shallow layer settling and underflow enrichment region stirring help it is heavy
Synergistic effect, improving thickening efficiency has significant advantage, has not been reported in the related art at present.
For those skilled in the art, it can be made various corresponding according to above technical solution and design
Change and distortion, and all these change and distortions should be construed as being included within the protection domain of the claims in the present invention.
Claims (10)
1. a kind of high-effective gas Heisui River precipitation separation device, which is characterized in that including shell (1) and inclined plate combination unit (2),
Flocculant mixing and stirring tank (5), flocculation reaction agitator tank (6), the row's of helping agitating device (4) and the row's of helping stirring harrow frame (3)；The wadding
Solidifying agent mixing and stirring tank (5) and flocculation reaction agitator tank (6) are set to the outside of the shell (1) and are separately installed with adjustable speed
Blender (7,14)；The flocculant mixing and stirring tank (5) is communicated in the flocculation reaction agitator tank (6), and equipped with material and
Flocculant adding mouth, it is internal that the flocculation reaction agitator tank (6) is communicated in the shell (1)；The inclined plate combination unit (2) sets
Internal in the shell (1), flocculation material flows into the interior heel row of the shell (1) to the inclined plate from flocculation reaction agitator tank (6)
It combines the unit (2)；The lower part of the shell (1) is concentrate collecting region (15), and the row's of helping stirring harrow frame (3) is set to described dense
In contracting object collecting region (15), the row's of helping agitating device (4) is sequentially connected in the row of helping stirring harrow frame (3)；The shell (1)
Bottom be equipped with discharge gate；The top of the inclined plate combination unit (2) is equipped with primary water overflow launder (8), the primary water overflow
Slot (8) is communicated with the outside of shell (1).
2. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the shell (1)
Top is equipped with sealing structure (10).
3. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the flocculant mixing
Agitator tank (5) and flocculation reaction agitator tank (6) are set to the top of the outside of the shell (1) or the top of side, the flocculation
Charging and discharge method of the agent mixing and stirring tank (5) using bottom in and top out, flocculation reaction agitator tank (6) using upper entering and lower leaving into
Material and discharge method.
4. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the blender (7,
14) it is adjustable speed blender, is mainly made of variable-frequency motor, speed reducer and rabbling mechanism, the variable-frequency motor passes through speed reducer
It is connected to rabbling mechanism.
5. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the flocculation reaction is stirred
Mix tank (6) discharge gate correspond to inclined plate combination unit (2) top center, when height difference deficiency can connect inclined plate
Combine the unit bottom corresponding housing position.
6. high-effective gas Heisui River precipitation separation device according to claim 1 or 5, which is characterized in that the flocculation is anti-
It answers agitator tank (6) to be communicated in the inside of the shell (1) by drainage line, motor-driven valve (9) is installed in the drainage line.
7. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that on the shell (1)
Position corresponding with concentrate collecting region (15) is provided with the sample tap (13) communicated with outside.
8. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the concentrate is collected
The top in area (15) is cylindrical, and lower part is in back taper.
9. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that in the sealing structure
Equipped with the instrument interface (12) and observation panel (11) communicated with the shell (1) inside.
10. high-effective gas Heisui River according to claim 1 precipitation separation device, which is characterized in that the row's of helping stirring
Device (4) includes transmission device (41) and drive link (42), and the transmission device (41) includes stirring movable motor, lifting motor
With corresponding deceleration mechanism, transmission device (41) is sequentially connected in the drive link (42), and drive link (42) is connected to described help
Row's stirring harrow frame (3), drive link (42) lower part is equipped with anti-deflection device (16)；The stirring movable motor is variable-ratio electricity
Machine, stirring movable motor contain torque sensor；The lifting motor driving drive link (42) drives the row's of helping stirring harrow frame (3)
It rises or falls；The row's of helping stirring harrow frame (3) is mainly made of stirring blade (31) and scraper plate (32).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109569035A (en) * | 2018-12-29 | 2019-04-05 | 浙江双金机械集团股份有限公司 | Shallow wimble thickener |
| CN110143657A (en) * | 2019-06-28 | 2019-08-20 | 湖南省核农学与航天育种研究所 | The flocculation plant of flocculation reaction effect is adjusted and method is applied in combination with Dephosphorization reagent |
| CN112876014A (en) * | 2021-01-12 | 2021-06-01 | 安徽中环环保科技股份有限公司 | Method and reactor for releasing carbon source by shearing and crushing sludge through low-speed hydraulic cyclone |
| CN114620892A (en) * | 2022-03-16 | 2022-06-14 | 湖南金益环保股份有限公司 | Chemical wastewater treatment process and treatment system thereof |
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