CN108176085A - Green liquor high-efficiency clarifier - Google Patents
Green liquor high-efficiency clarifier Download PDFInfo
- Publication number
- CN108176085A CN108176085A CN201711241334.8A CN201711241334A CN108176085A CN 108176085 A CN108176085 A CN 108176085A CN 201711241334 A CN201711241334 A CN 201711241334A CN 108176085 A CN108176085 A CN 108176085A
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- green liquor
- claw
- blender
- overflow weir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002156 mixing Methods 0.000 claims abstract description 156
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 210000000078 claw Anatomy 0.000 claims description 74
- 239000003638 chemical reducing agent Substances 0.000 claims description 62
- 210000000515 tooth Anatomy 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 239000004744 fabric Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000002344 surface layer Substances 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 24
- 239000010959 steel Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 241000202567 Fatsia japonica Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating 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
- B01D21/2405—Feed mechanisms for settling tanks
-
- 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
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D21/286—Means for gentle agitation for enhancing flocculation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of green liquor high-efficiency clarifier, including agitating device.The production capacity of equipment can significantly be promoted and realized energy-saving by green liquor high-efficiency clarifier provided by the invention；This equipment is high compared with traditional green liquor clarifier settling efficiency of same specification, low energy consumption, structure novel；Improve sinking speed, and then lifting means production capacity；Mixing apparatus need not be increased, compact-sized floor space is small, specification is small, few with material, at low cost；Cloth liquid is rotated, makes full use of cylinder sectional area, lifting means production capacity；Liquid distributor can be periodically cleaned automatically；Operation, easy to maintain, spare part long lifespan, it is safe and reliable to operation；Mud scraper, mixing speed are adjustable, wide adaptation range；Ensure surface layer cylinder section on clear green liquor relative synchronization, be uniformly collected into outlet, so as to get clear green liquor solid content it is low；It is cost-effective.
Description
Technical field
The present invention relates to a kind of precipitation apparatus, specifically, are related to green liquor high-efficiency clarifier, belong to clarifier technology neck
Domain.
Background technology
At present, the making full use of of resource, reduce energy consumption and the environmentally protective every profession and trade needs that become give more sustained attention, persistently carry
Go out new approaches, New Measure goes the subject studied；Polluted for paper industry it is especially prominent, by research and develop new product, improve set
Standby, the industry of realization of adopting new technology etc. Green Sustainable is the direction that nowadays equipment manufacturers advance.
For many years, the processing of paper industry causticization alkali collection workshop section Central Plains green liquor is set always using traditional natural subsidence
Standby-clarifier and the equipment-X filters filtered by mesh bag.Clarifier is also just different according to the different production capacity of specification, cylinder
Body section accumulates（）The size of production capacity is determined with former green liquor sinking speed, the sinking speed of former green liquor is the intrinsic spy of the solution
Property, this characteristic is immutable under natural conditions, it is seen that for precipitation apparatus, the production capacity of equipment is mainly cut by cylinder
The influence of area, and because former green liquor is first to be passed through intermediate material well, often expect that the diameter of well accounts about the 1/9 of barrel diameter,
Former green liquor past surrounding sedimentation side diffusion, former green liquor solid content can only reach the just seldom of cylinder edge from material well, and cylinder is cut
Face utilization rate is very low.
To sum up, traditional green liquor clarifier there are the shortcomings that：First, former green liquor sinking speed is low, second is that barrel diameter section is sharp
It is low with rate, it is influenced by these two aspects, often specification of equipment is very big, causes to take up a large area, so that Equipment Foundations, equipment
Material, installation etc. are costly.
And for X filters, operation needs to configure powerful pump, and energy consumption is high, and strainer needs to regularly replace, valency
Lattice are expensive, and operate relatively cumbersome：Certain interval of time is needed to be backwashed, pickling etc., there is pressure inside equipment, it is many
If damaged one will result directly in clear green liquor suspended matter raising in mesh bag, it has to which shutdown inspection replaces damaged mesh bag, by structure
Limitation to check that damaged mesh bag checks one by one after all fan blades for being cased with mesh bag must being taken out, it is cumbersome and serious
Influence production.
For paper plant, equipment is reliable and stable, index is stable, easy to operate, production capacity is high, low energy consumption be it is most important,
Green liquor high-efficiency clarifier can meet these requirements.
Invention content
The technical problem to be solved by the present invention is to deficiencies more than being directed to, and provide a kind of green liquor high-efficiency clarifier, can will set
Standby production capacity is significantly promoted and realized energy-saving；This equipment is high compared with traditional green liquor clarifier settling efficiency of same specification, energy
Consume low, structure novel；Improve sinking speed, and then lifting means production capacity；Mixing apparatus, compact-sized floor space need not be increased
It is small, specification is small, few with material, at low cost；Cloth liquid is rotated, makes full use of cylinder sectional area, lifting means production capacity；It can be periodically automatic
Clean liquid distributor；Operation, easy to maintain, spare part long lifespan, it is safe and reliable to operation；Mud scraper, mixing speed are adjustable, accommodation
Extensively；Ensure surface layer cylinder section on clear green liquor relative synchronization, be uniformly collected into outlet, so as to get clear green liquor solid content
Content is low；It is cost-effective.
For solution more than technical problem, the present invention uses following technical scheme：Green liquor high-efficiency clarifier is filled including stirring
It puts.
A kind of prioritization scheme, the agitating device include mixing chamber, mixing chamber blender, and the mixing chamber includes upper mixing
Room, multiple flocculant imports are provided on the upper mixing chamber, and the flocculant import connects flocculant inlet tube；The mixing
Mixing chamber blender is provided on the central axes of room.
Further, the agitating device includes mixing chamber, and the mixing chamber includes lower mixing chamber, and the lower mixing chamber connects
More liquid distributors are connected to, the liquid distributor includes liquid distributor pipeline, and liquid distributor pipeline is mixed along close to one end of mixing chamber to separate
One end caliber for closing room is gradually reduced, and liquid distributor pipeline is concentric variable-diameter structure.
Further, the agitating device includes mixing chamber, mixing chamber blender, and the mixing chamber includes upper mixing chamber,
The bottom of the upper mixing chamber is provided with the backwash mouth of a river.
Further, downflow weir is further included, the downflow weir includes middle overflow weir, diversion trench, rim overflow weir；
The middle overflow weir is eight-sided formation, and section is into U-shaped；
The section of the diversion trench is U-shaped, diversion trench both ends respectively with middle overflow weir and rim overflow weir；
The rim overflow weir is welded as a whole with equipment barrel, and rim overflow weir section is U-shaped section.
Further, the area within the octagon interior zone on the middle overflow weir is to overflow outside octagon to edge
Flow the 1/2 of weir region area.
Further, driving device is further included, the driving device includes unloading claw speed reducer output shaft and mixing chamber stirs
Device speed reducer output shaft is mixed, it is described to unload claw speed reducer output shaft and the coincidence of mixing chamber blender reducer output shaft axis.
Further, the top for unloading claw speed reducer output shaft, which is connected with, unloads claw planetary reducer, the discharging
The top of rake planetary reducer, which is connected with, unloads claw speed reducer, and the top for unloading claw speed reducer, which is connected with, unloads claw driving electricity
Machine；
The lower part for unloading claw speed reducer output shaft, which is connected with, unloads claw main shaft；
The top of the mixing chamber blender reducer output shaft is connected with mixing chamber blender reducer, the mixing chamber stirring
The top of device speed reducer is connected with mixing chamber agitator motor；
The lower part of the mixing chamber blender reducer output shaft is connected with mixing chamber blender.
Further, the agitating device includes mixing chamber, and the mixing chamber includes unloading claw, described to unload claw top company
It is connected to and unloads claw main shaft, the claw that unloads includes rake arms and rake teeth, and multiple rake teeths are provided in the rake arms, and the rake teeth edge is set
The conical bottom wall setting of standby cylinder is multiple.
Further, the agitating device includes mixing chamber, and the mixing chamber includes upper mixing chamber and lower mixing chamber, described
Upper mixing chamber and lower mixing chamber pass through ethylene propylene diene rubber gasket seal；
The mixing chamber barrel diameter of the upper mixing chamber accounts about the 1/2 of equipment barrel diameter.
The present invention rotates the liquid distributor of cloth liquid by invention, and 6 liquid distributors are mutually 60 degree, and rotary course Central Plains green liquor can be
Relatively uniform distribution on entire cylinder section, solid content can settle faster in former green liquor.
The present invention promotes the sinking speed of former green liquor suspended matter, sinking speed can by adding flocculant into former green liquor
Reach 1.75m/h or so.
The middle overflow weir of the present invention and rim overflow weir structure, the clear green liquor of liquid level middle section can be overflow by centre
Stream weir is collected into rim overflow weir faster, and the clear green liquor allowed below liquid level faster rises.
The structure for unloading claw and liquid distributor synchronous rotary of the present invention is run with the slow-speed of revolution of 0.07r/min, prevents from rotating
Disturbance of the rotary part to liquid in the process, and realize and the green mud of layer deposition is collected into intermediate mud pit, and then be pumped
It walks.
The mixing chamber that the present invention mixes for flocculant with former green liquor, mixing chamber by the way of multiple spot addition flocculant,
And increase blender in inside, to realize being sufficiently mixed for flocculant and former green liquor, be conducive in former green liquor solid content with flocculating
The combination of agent, and then promote clarifying effect.
The present invention after the above technical solution is adopted, compared with prior art, has the following advantages：
This equipment is high compared with traditional green liquor clarifier settling efficiency of same specification, floor space is small, low energy consumption, structure novel, belongs to state
Interior innovation product.
1st, improve sinking speed by adding flocculant in Novel structure mixing chamber, sinking speed up to 1.75m/h, into
And lifting means production capacity.
2nd, using concentric double-shaft output reducer in the same direction is used, using the former green liquor of mixing in inner barrel mixing chamber with flocculating
The structure of agent, without increasing mixing apparatus, compact-sized saving cost.
3rd, using new-type liquid distributor structure, cloth liquid is rotated, makes full use of cylinder sectional area, lifting means production capacity.
4th, more traditional clarifier, compact-sized floor space is small, specification is small, few with material, at low cost.
5th, equipment setting reflux pipeline prevents feed liquor blockage, and internal liquid distributor setting backwash water pipe can periodically certainly
Dynamic cleaning liquid distributor.
6th, operation, easy to maintain, spare part long lifespan, it is safe and reliable to operation.
7th, mud scraper, mixing speed are adjustable, wide adaptation range, and former green liquor solid content can hang after changing according to clear green liquor
Float content suitably adjusts rotating speed, speed adjustable range 0.07-0.12r/min.
8th, mating flocculant preparation system, the addition of flocculant can according to former green liquor solid content, need to handle
The adjustment of green liquor amount, adjustable extent is wide.
9th, the structure of excessive efflux is synchronized using middle overflow weir, rim overflow weir, it is micro- to lower floor to reduce the clear green liquor in upper strata
The disturbance of small solid content sinking speed ensures the clear green liquor relative synchronization on the cylinder section of surface layer, is uniformly collected into outlet,
The clear green liquor solid content made is low, and solid content can reach 30ppm.
Final the advantages of showing is：The production capacity of green liquor high-efficiency clarifier is 4.8 times of the common clarifier of same specification, into
And the cost-effective of green liquor high-efficiency clarifier is selected in the case of specific production capacity.
The present invention is described in detail with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the structure diagram of green liquor high-efficiency clarifier；
Fig. 2 is the structure diagram of driving device；
Fig. 3 is the structural representation of agitating device；
Fig. 4 is agitating device partial sectional view；
Fig. 5 is upper mixing chamber structure diagram；
Fig. 6 is lower mixing chamber structure diagram；
Fig. 7 is the structure diagram of liquid distributor；
Fig. 8 is discharging rake structure schematic diagram；
Fig. 9 is the structure diagram of downflow weir；
1- transmission brackets, 2- driving devices, 3- agitating devices, 4- downflow weirs, 5- equipment barrels, 21- unload claw driving motor,
22- unloads claw speed reducer, and 23- unloads claw planetary reducer, and 24- unloads claw speed reducer output shaft, 25- mixing chambers blender electricity
Machine, 26- mixing chamber blender reducers, 27- mixing chamber blender reducer output shafts, 3- agitating devices, the stirring of 31- mixing chambers
Device, 32- unload claw main shaft, 33- mixing chambers, 34- liquid distributors, and 35- unloads claw, 4- downflow weirs, 41- middle overflows weir, 42- water conservancy diversion
Slot, 43- rim overflows weir.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
Bright specific embodiment.
1 green liquor high-efficiency clarifier of embodiment
As shown in figs 1-9, the present invention provides a kind of green liquor high-efficiency clarifier, including transmission bracket 1, driving device 2, agitating device
3rd, downflow weir 4, equipment barrel 5,
The driving device 2 includes unloading claw driving motor 21, unloading claw speed reducer 22, unload claw planetary reducer 23, discharging
It is defeated to harrow speed reducer output shaft 24, mixing chamber agitator motor 25, mixing chamber blender reducer 26, mixing chamber blender reducer
Shaft 27；
The agitating device 3 includes mixing chamber blender 31, unloads claw main shaft 32, mixing chamber 33, liquid distributor 34, unloads claw 35；
The downflow weir 4 includes middle overflow weir 41, diversion trench 42, rim overflow weir 43；
5 bottom wall of equipment barrel is pyramidal structure.
Transmission bracket 1：It is mainly made of H profile steel, is welded in equipment barrel 5 and is used to support driving device 2, agitating device
3 and middle overflow weir 41.
Driving device 2：Driving device 2 is combined speed reducer, realizes mixing chamber blender reducer output shaft 27, discharging
It is concentric to harrow speed reducer output shaft 24, and is operated alone, in transmission bracket 1, the output shaft of bottom two respectively with agitating device
In unload claw 35 and mixing chamber blender 31 connects.
Agitating device 3：Agitating device 3 realizes the mixing of flocculant and former green liquor, rotation cloth liquid, green mud is collected into cylinder
Body bottom mud pit etc..
Downflow weir 4：It is formed by carrying jagged steel plate and shaped steel, realizes the synchronization overflow of clear green liquor.
Unload claw driving motor 21：Claw is unloaded eventually for driving, bottom is connect with unloading claw speed reducer 22.
Unload claw speed reducer 22：For reducing the rotating speed for unloading claw driving motor 21, top is with unloading claw driving motor 21
Connection.
Equipment barrel 5：Mainly it is made of steel plate.
Unload claw planetary reducer 23：For reducing the rotating speed for unloading claw driving motor 21, top is with unloading claw speed reducer
22 connections, lower part connect with unloading claw speed reducer output shaft 24, is fixed on mixing chamber blender reducer 26 by shaped steel.
Unload claw speed reducer output shaft 24：For transmitting the torque for unloading the output of claw planetary reducer 23, top and discharging
Rake planetary reducer 23 connects, and lower part is connect with unloading claw main shaft 32.
Mixing chamber agitator motor 25：For driving mixing chamber blender 31, bottom and mixing chamber blender reducer 26
Connection.
Mixing chamber blender reducer 26：For reducing the rotating speed of mixing chamber agitator motor 25, bottom is installed to transmission
On stent 1, it is connect with mixing chamber blender reducer output shaft 27.
Mixing chamber blender reducer output shaft 27:For transmitting the torque of the output of mixing chamber blender reducer 26, on
Portion is connect with mixing chamber blender reducer 26, and lower part is connect with mixing chamber blender 31.
Mixing chamber blender 31：It for mixed flocculation agent and former green liquor, is made of steel pipe and bending angle steel, top connection is mixed
Close room blender reducer output shaft 27.
Unload claw main shaft 32：With liquid distributor 34, unload claw 35 and be connected as one, in the case where unloading claw planetary reducer 23 and driving
Speed rotation, is mainly made of, top is connect with unloading claw speed reducer output shaft 24 steel pipe and flange.
Mixing chamber 33：For holding former green liquor and flocculant, realize that former green liquor is sufficiently mixed with flocculated here, it is main
It to be welded by steel plate, mixing chamber is divided into two parts, and for upper mixing chamber 331 and lower mixing chamber 332, upper mixing chamber 331 is by flat
Steel is fixed on 5 head cover of equipment barrel, and the part is non-rotatable, and lower mixing chamber 332 is welded as a whole with unloading claw main shaft 32, with
It unloads claw main shaft 32 to rotate, upper mixing chamber 331 and lower mixing chamber 332 are realized by ethylene-propylene-diene monomer glue gasket and sealed, and are ensured mixed
Former green liquor after conjunction is not revealed here.
Lower mixing chamber 332：It is made of steel plate, steel pipe and flange, welds together with unloading claw main shaft 32, with unloading claw master
Axis 32 rotates, and the solution mixed is passed through liquid distributor 34.
The mixing chamber cylinder 333 of upper mixing chamber 331：Be made of steel plate, for being isolated the green liquor of external sedimentation, flocculant with
Former green liquor mixes here；Ethylene-propylene-diene monomer glue gasket is arranged at the bottom of mixing chamber cylinder 333, for sealing mixing chamber cylinder 333
With the contact site of lower mixing chamber 332,333 diameter of mixing chamber cylinder accounts about the 1/2 of 5 diameter of equipment barrel.
Flocculant import 334：It is made of, is welded on mixing chamber cylinder 333 steel pipe and flange, flocculant is from this import
Into mixing chamber 33；It is provided with 5 altogether.
Backwash the mouth of a river 335：It is made of, is welded on mixing chamber cylinder steel pipe and flange, high pressure water enters from this import
Mixing chamber.Liquid distributor is rinsed.
Liquid distributor 34：Former green liquor is transported in equipment barrel 5, is mainly made of steel pipe and elbow, by flange under
Mixing chamber 332 connects, and is rotated with claw main shaft 32 is unloaded.Liquid distributor 34 totally 6.
The liquid distributor 34 includes liquid distributor pipeline 341, is set on the bottom of the length direction of the liquid distributor pipeline 341
There are multiple liquid outlets 342；
Liquid distributor pipeline 341：Steel pipe and flange composition, connect with lower mixing chamber 332, former green liquor are transported to each liquid outlet
342, liquid distributor pipeline 341 is gradually reduced along close to one end of mixing chamber 33 to one end caliber far from mixing chamber 33, liquid distributor
Pipeline 341 is concentric variable-diameter structure.
Liquid outlet 342：Steel pipe and elbow composition, being mainly used for will be in the dredging to cylinder of former green liquor.
Unload claw 35：It is connect with unloading claw main shaft 32 by square flange, is rotated with claw main shaft 32 is unloaded, by the green mud of sedimentation
Bottom mud pit is collected into, is mainly made of the channel steel of bending, angle steel and steel pipe.
The claw 35 that unloads includes rake arms 351 and rake teeth 352.
Rake arms 351：It is formed by steel plate bending, it is main to transmit the torque for unloading claw main shaft 32.
Rake teeth 352：It is made of, is welded in rake arms 351 steel pipe and bending steel plate, be mainly used for settling the collection of green mud；
The rake teeth 352 is multiple along the conical bottom wall setting of equipment barrel 5.
Middle overflow weir 41：For collecting the clear green liquor among liquid level：Eight-sided formation, section are hung with pull rod into U-shaped
Onto transmission bracket 1.
Diversion trench 42：The clear green liquor that middle overflow weir 41 is collected is dredged to rim overflow weir 43；Section is U-shaped, both ends
Respectively with middle overflow weir 41 and rim overflow weir 43.
Rim overflow weir 43：All clear green liquors for overflowing to rim overflow weir 43 are collected into equipment barrel 5 and go out liquid
Mouthful, flow into next processing equipment from liquid outlet：Rim overflow weir 43 is welded as a whole with equipment barrel 5, and section is U-shaped section
Face.
Size relationship explanation：Area within the octagon interior zone on middle overflow weir 41 is to edge outside octagon
The 1/2 of 43 region area of downflow weir.
The flocculant solution of certain concentration is prepared with flocculant preparation system, former green liquor first exists after entering equipment barrel 5
It is sufficiently mixed with flocculant solution in mixing chamber 33, then green liquor is evenly distributed in equipment barrel 5 by liquid distributor 34, it is former green
Solid content in liquid is flocculated under the action of flocculant into solid particle, and solid particle sinks under the effect of gravity, and clear green liquor is then
It moves upwards, the solid particle being deposited to is collected into the mud pit of device bottom by claw 35 is unloaded, and is walked by green mud pumping, and clear green liquor is then
It is uniformly overflowed by downflow weir 4, outlet outflow is collected into, so as to achieve the purpose that separation of solid and liquid.
The R ＆ D design of mixing chamber：
Sinking speed in 0.36m/h, by adding the flocculant of macromolecular chain, can be about promoted to by the sinking speed of former green liquor
1.75m/h or so, must just flocculant and former green liquor be sufficiently mixed by reaching this sinking speed, and solid content agglomerates very after mixing
Soon, this just needs mixed solution that should as early as possible reach in equipment barrel 5, and the air being mingled in former green liquor must be avoided to enter
Decanting zone, according to these restrictive condition R ＆ D designs mixing chamber.It is lower mixing chamber that Fig. 5, which is upper mixing chamber structure diagram, Fig. 6,
Structure diagram；
Former green liquor enters mixing chamber 33, and at the same time flocculant enters mixing chamber 33 by multiple imports, and passes through mixing chamber and stir
Mix device 31（If Fig. 4 is agitating device partial sectional view；）Former green liquor and flocculant are sufficiently mixed uniformly, it is molten after being sufficiently mixed
Liquid is entered communicating pipe by lower mixing chamber 332 and liquid distributor 34 in liquid distributor 34, and the air being mingled in former green liquor is in mixing chamber
Top is risen to inside 33, realizes the purpose that air is detached from former green liquor, air is avoided and generation is settled to solid content
Influence.
The R ＆ D design of liquid distributor：If Fig. 7 is liquid distributor structure diagram；
Liquid distributor totally 6 is rotated with the rotating speed of 0.07-0.12r/min with claw main shaft 32 is unloaded, is added to the former green liquor of flocculant
By being entered in liquid distributor 34 after mixing chamber 33, to ensure uniformity, increase in the bottom of the length direction of liquid distributor 34 more
A liquid outlet 342, former green liquor, which is reached by each liquid outlet 342 in equipment barrel 5, to be started to settle, which ensure that liquid distributor 34
The passed through region of rotation it is relatively uniform distributed former green liquor, it is achieved thereby that the purpose of rotation cloth liquid, uniform settlement.
The R ＆ D design on middle overflow weir：Fig. 9 is overflow weir structure schematic diagram；
Before not having middle overflow weir, the clear green liquor of liquid level intermediate region, which only flows to edge, can just be collected, in contrast,
Close to rim overflow weir 43 the region clear green liquor unit interval in be collected it is more, on the faster clear green liquor of region lower floor of flow velocity
Liter is faster, and the solid content being brought on is also more, results in the clear green liquor of 5 fringe region of equipment barrel more clear than centre in this way
Green liquor solid content is high, and it is relatively high to be eventually exhibited as the clear green liquor solid content that equipment obtains.
After designing middle overflow weir 41, ensure that the clear green liquor among equipment barrel 5 is collected rapidly, the clear green liquor of lower floor is more
It is fast to rise, in addition, middle overflow weir 41 ensure that clear green liquor relative synchronization on 5 section of surface layer equipment barrel, uniformly be received
Collect outlet, ensure that the synchronous of 5 section of diameter supernatant green liquor of equipment barrel rises, reduce the clear green liquor solid content finally obtained and contain
Amount.
The selection of concentric two-speed gearbox：If Fig. 2 is driving device structure schematic diagram；
Former green liquor and flocculant should be stirred to realize, realizes that the green mud of sedimentation is collected into bottom mud pit is received again
Collect, take away, by investigating the concentric two-speed gearbox of final choice.
From the point of view of previous caustic room original green liquor solid content, solid content can be fluctuated and the original of major paper plant is green
Liquid solid content is different, and in order to make apparatus adaptability stronger, it is equal will to unload claw driving motor 21, mixing chamber agitator motor 25
Variable-frequency motor is selected, ensures former green liquor and wadding by adjusting the rotating speed (rotating speed is usually 4-26r/min) of mixing chamber blender 31
The uniformity of solidifying agent；Mud scraper rotating speed is too fast easily to generate sedimented particle disturbance, the too slow bottom mud layer of rotating speed can thicken and then
Mud scraper torque is caused to rise, ensures sedimentation by adjusting 32 rotating speed of claw main shaft (rotating speed is usually 0.07-0.12r/min) is unloaded
Green mud can be collected into rapidly bottom mud pit, ensure that torque value steadily ensures that equipment is reliable.
The present invention rotates the liquid distributor of cloth liquid by invention, and 6 liquid distributors are mutually 60 degree, and rotary course Central Plains green liquor can be
Relatively uniform distribution on entire cylinder section, solid content can settle faster in former green liquor；By adding wadding into former green liquor
Solidifying agent, promotes the sinking speed of former green liquor suspended matter, and sinking speed can reach 1.75m/h or so；Invention middle overflow weir and side
Edge overflow weir structure, the clear green liquor of liquid level middle section can be collected into rim overflow weir faster by middle overflow weir,
The clear green liquor allowed below liquid level faster rises；The structure of claw and liquid distributor synchronous rotary is unloaded in invention, with the low of 0.07r/min
Rotating speed is run, and prevents disturbance of the rotary part to liquid in rotary course, and realize the green mud of layer deposition being collected into centre
Mud pit, and then be pumped away；The mixing chamber mixed for flocculant with former green liquor is invented, mixing chamber is using multiple spot addition wadding
The mode of solidifying agent, and increase blender in inside to realize being sufficiently mixed for flocculant and former green liquor, is conducive in former green liquor admittedly
The combination of shape object and flocculant, and then promote clarifying effect.Multiple spot addition flocculant, uniformly mixing, sinking speed, it is designed
It is provided with 5 flocculant inlet tubes inside mixing chamber, while in centrally disposed blender；Mixing chamber is by flocculant and former green liquor
It is sufficiently mixed, flocculant solution improves former green liquor sinking speed.It is by the mixing chamber among cylinder that flocculant solution is green with original
Liquid is sufficiently mixed.Rotate cloth liquid, uniform settlement, 6 liquid distributors indirectly with center axis connection, with central shaft low speed rotation, cloth liquid
The multiple outlets of equipment on pipe, the outlet farthest apart from body centre is close to cylinder edge, the connection mixing of liquid distributor liquid distributor
Room, uniformly mixed solution are flowed by liquid distributor in cylinder, can be straight by the liquid distributor outlet farthest apart from body centre
It is connected to up to cylinder edge and starts to settle.Excessive efflux is synchronized, devises downflow weir at cylinder edge and body centre, among liquid level
Clear green liquor can be with overflow into intermediate downflow weir, and at the same time the clear green liquor at liquid level edge can enter rim overflow with overflow
Synchronous overflow is realized on weir.Backwash, the anti-cleaning water pipe of mixing chamber interior design, nozzle square impact 6 liquid distributor centers, periodically
The inlet valve of backwash water pipe is opened, high pressure water along liquid distributor to being rinsed.Concentric double-rotation speed, in view of the need of functions of the equipments
Will, a set of claw that unloads for scraping mud is needed, while need a blender for being used for immixture, and blender is needed with unloading claw
Otherwise with rotating speed and be two concentric axis, this just needs that one kind is selected to have and two output shafts are operated alone, and two are defeated
Shaft is concentric speed reducer, after domestic more speed reducer supplier auditions, finally seeks having this speed reducer really, according to work(
Concentric two-speed gearbox can be named.
This equipment is high compared with traditional green liquor clarifier settling efficiency of same specification, floor space is small, low energy consumption, structure novel,
Belong to domestic initiation product.Sinking speed is improved by adding flocculant in Novel structure mixing chamber, sinking speed is reachable
1.75m/h, and then lifting means production capacity.Using concentric double-shaft output reducer in the same direction is used, using in inner barrel mixing chamber
The structure of the former green liquor of mixing and flocculant, without increasing mixing apparatus, compact-sized saving cost.Using new-type liquid distributor knot
Structure rotates cloth liquid, makes full use of cylinder sectional area, lifting means production capacity.More traditional clarifier, compact-sized floor space is small,
Specification is small, few with material, at low cost.Equipment sets reflux pipeline, prevents feed liquor blockage, and internal liquid distributor sets backwashing water
Pipe, can periodically clean liquid distributor automatically.Operation, easy to maintain, spare part long lifespan, it is safe and reliable to operation.Mud scraper, stirring speed
Adjustable, wide adaptation range is spent, former green liquor solid content can suitably adjust rotating speed after changing according to clear green liquor suspension content, adjust
Fast range 0.07-0.12r/min.Mating flocculant preparation system, the addition of flocculant can contain according to former green liquor solid content
Amount, green liquor amount to be treated adjustment, adjustable extent are wide.Excessive efflux is synchronized using middle overflow weir, rim overflow weir
Structure reduces the disturbance of the clear green liquor in upper strata small solid content sinking speed to lower floor, ensures the clear green liquor on the cylinder section of surface layer
Relative synchronization is uniformly collected into outlet, so as to get clear green liquor solid content it is low, solid content can reach 30ppm.
Final the advantages of showing is：The production capacity of green liquor high-efficiency clarifier is 4.8 times of the common clarifier of same specification, and then specific
The cost-effective of green liquor high-efficiency clarifier is selected in the case of production capacity.
The above is the citing of best mode for carrying out the invention, wherein the part do not addressed in detail is that this field is common
The common knowledge of technical staff.Protection scope of the present invention is subject to the content of claim, any technology based on the present invention
The equivalent transformation for enlightening and carrying out, also within protection scope of the present invention.
Claims (10)
1. green liquor high-efficiency clarifier, it is characterised in that：Including agitating device (3).
2. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：The agitating device (3) is including mixing chamber
(33), mixing chamber blender (31), the mixing chamber (33) include upper mixing chamber (331), are set on the upper mixing chamber (331)
There are multiple flocculant imports (334), the flocculant import (334) connects flocculant inlet tube；In the mixing chamber (33)
Mixing chamber blender (31) is provided on axis.
3. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：The agitating device (3) is including mixing chamber
(33), the mixing chamber (33) includes lower mixing chamber (332), and the lower mixing chamber (332) is connected with more liquid distributors (34), institute
It states liquid distributor (34) and includes liquid distributor pipeline (341), liquid distributor pipeline (341) is mixed along close to one end of mixing chamber (33) to separate
One end caliber for closing room (33) is gradually reduced, and liquid distributor pipeline (341) is concentric variable-diameter structure.
4. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：The agitating device (3) is including mixing chamber
(33), mixing chamber blender (31), the mixing chamber (33) include upper mixing chamber (331), the bottom of the upper mixing chamber (331)
It is provided with the backwash mouth of a river (335).
5. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：Further include downflow weir (4), the downflow weir
(4) including middle overflow weir (41), diversion trench (42), rim overflow weir (43)；
The middle overflow weir (41) is eight-sided formation, and section is into U-shaped；
The section of the diversion trench (42) is U-shaped, diversion trench (42) both ends respectively with middle overflow weir (41) and rim overflow weir
(43)；
The rim overflow weir (43) is welded as a whole with equipment barrel (5), and rim overflow weir (43) section is U-shaped section
Face.
6. green liquor high-efficiency clarifier as claimed in claim 5, it is characterised in that：In the octagon of the middle overflow weir (41)
Area within portion region is to the 1/2 of rim overflow weir (43) region area outside octagon.
7. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：Further include driving device (2), the driving dress
(2) are put including unloading claw speed reducer output shaft (24) and mixing chamber blender reducer output shaft (27), it is described to unload claw deceleration
Machine output shaft (24) and mixing chamber blender reducer output shaft (27) axis overlap.
8. green liquor high-efficiency clarifier as claimed in claim 7, it is characterised in that：The claw speed reducer output shaft (24) of unloading
Top, which is connected with, unloads claw planetary reducer (23), and the top for unloading claw planetary reducer (23), which is connected with, unloads claw deceleration
Machine (22), the top for unloading claw speed reducer (22), which is connected with, unloads claw driving motor (21)；
The lower part for unloading claw speed reducer output shaft (24), which is connected with, unloads claw main shaft (32)；
The top of the mixing chamber blender reducer output shaft (27) is connected with mixing chamber blender reducer (26), described mixed
The top for closing room blender reducer (26) is connected with mixing chamber agitator motor (25)；
The lower part of the mixing chamber blender reducer output shaft (27) is connected with mixing chamber blender (31).
9. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：The agitating device (3) is including mixing chamber
(33), the mixing chamber (33) is including unloading claw (35), it is described unload claw (35) top and be connected with unload claw main shaft (32), it is described
It unloads claw (35) and includes rake arms (351) and rake teeth (352), multiple rake teeths (352), the rake are provided on the rake arms (351)
Tooth (352) is multiple along the conical bottom wall setting of equipment barrel (5).
10. green liquor high-efficiency clarifier as described in claim 1, it is characterised in that：The agitating device (3) is including mixing chamber
(33), the mixing chamber (33) includes upper mixing chamber (331) and lower mixing chamber (332), the upper mixing chamber (331) and lower mixing
Room (332) passes through ethylene propylene diene rubber gasket seal；
Mixing chamber cylinder (333) diameter of the upper mixing chamber (331) accounts about the 1/2 of equipment barrel (5) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241334.8A CN108176085B (en) | 2017-11-30 | 2017-11-30 | High-efficiency clarifier for green liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241334.8A CN108176085B (en) | 2017-11-30 | 2017-11-30 | High-efficiency clarifier for green liquor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108176085A true CN108176085A (en) | 2018-06-19 |
| CN108176085B CN108176085B (en) | 2020-07-28 |
Family
ID=62545391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711241334.8A Active CN108176085B (en) | 2017-11-30 | 2017-11-30 | High-efficiency clarifier for green liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108176085B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723679A (en) * | 2020-12-30 | 2021-04-30 | 南京市给排水工程设计院有限公司 | System and method for synchronously removing odor substances and organic matters in water |
| CN114247185A (en) * | 2021-01-25 | 2022-03-29 | 中国瑞林工程技术股份有限公司 | Hydrometallurgy leaches rich liquid clarifier |
| US20240083790A1 (en) * | 2021-11-01 | 2024-03-14 | Troy L. Cormier | Wastewater Treatment Method and System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276938Y (en) * | 1996-11-26 | 1998-03-25 | 苏肇棠 | Separating equipment for papermaking white water |
| CN1520331A (en) * | 2001-06-25 | 2004-08-11 | ���п�ķ�����Ϲɷݹ�˾ | Method and apparatus for purifying and/or concentrating slurries |
| CN202893009U (en) * | 2012-11-08 | 2013-04-24 | 淮北矿山机器制造有限公司 | Classifying and overflowing device of concentrator |
| CN104707371A (en) * | 2015-04-02 | 2015-06-17 | 北京市市政工程设计研究总院有限公司 | Novel mechanical stirring clarification tank |
-
2017
- 2017-11-30 CN CN201711241334.8A patent/CN108176085B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276938Y (en) * | 1996-11-26 | 1998-03-25 | 苏肇棠 | Separating equipment for papermaking white water |
| CN1520331A (en) * | 2001-06-25 | 2004-08-11 | ���п�ķ�����Ϲɷݹ�˾ | Method and apparatus for purifying and/or concentrating slurries |
| CN202893009U (en) * | 2012-11-08 | 2013-04-24 | 淮北矿山机器制造有限公司 | Classifying and overflowing device of concentrator |
| CN104707371A (en) * | 2015-04-02 | 2015-06-17 | 北京市市政工程设计研究总院有限公司 | Novel mechanical stirring clarification tank |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723679A (en) * | 2020-12-30 | 2021-04-30 | 南京市给排水工程设计院有限公司 | System and method for synchronously removing odor substances and organic matters in water |
| CN112723679B (en) * | 2020-12-30 | 2022-12-02 | 南京市给排水工程设计院有限公司 | System and method for synchronously removing odor substances and organic matters in water |
| CN114247185A (en) * | 2021-01-25 | 2022-03-29 | 中国瑞林工程技术股份有限公司 | Hydrometallurgy leaches rich liquid clarifier |
| US20240083790A1 (en) * | 2021-11-01 | 2024-03-14 | Troy L. Cormier | Wastewater Treatment Method and System |
| US12365611B2 (en) * | 2021-11-01 | 2025-07-22 | Troy Cormier | Wastewater treatment method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108176085B (en) | 2020-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218221476U (en) | High-efficiency thickener | |
| CN107335268A (en) | A kind of filter bag type sewage removal filtration device | |
| CN103880131A (en) | Micro-vortex high-efficiency clarification reactor and operation method for same | |
| CN108176085A (en) | Green liquor high-efficiency clarifier | |
| CN110448940A (en) | A kind of water treatment plant's water for drainage slurry system and processing method | |
| CN114477710A (en) | A dewatering system and method for automatically optimizing flocculation-macropore anti-blocking regeneration filter mass | |
| CN207175619U (en) | A kind of Water purification filter | |
| CN206538241U (en) | A kind of the coagulation deposition integral equipment | |
| CN106517414A (en) | Equipment vehicle for purification treatment of oily sewage by dynamic membrane equipment | |
| CN218146188U (en) | Flocculation settling cask and waste water deposit filtration system | |
| CN116462286A (en) | Remove container formula supermagnetic sewage treatment system | |
| CN218188076U (en) | Sand washing wastewater gravity concentration deposition prevention device | |
| CN116040766A (en) | Advanced recycling treatment system for mine wastewater | |
| CN208603894U (en) | A kind of infant industry sewage treatment chemicals dosing plant | |
| CN207986877U (en) | A kind of settler of processing household sewage | |
| CN206680297U (en) | A kind of rare earth recovery filter | |
| CN212334832U (en) | Sewage treatment device | |
| CN106745157A (en) | A kind of purging system for bunt gypsum cleaning | |
| CN206705761U (en) | A kind of novel sewage precipitation process tank | |
| CN201921584U (en) | Special ceramic filter for dry emission of tailings | |
| CN110681679A (en) | Continuous impurity removal treatment system for kitchen waste | |
| CN206767817U (en) | Biochemical efficient sewage disposal device | |
| CN209530172U (en) | A kind of Water treatment device for coal slime of coal preparation | |
| CN213416640U (en) | Silt rapid settling equipment | |
| CN210710901U (en) | Rural domestic sewage system of integration sewage treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |