Utility model content
It is good that the purpose of this utility model is to provide a kind of sedimentation effect, and the sludge concentration of discharge is high, the efficient sedimentation tank that processing efficiency is high.
For achieving the above object, the utility model provides following technical scheme:
A kind of efficient sedimentation tank, comprise reaction zone and settling section, reaction zone comprises hybrid reaction district and plug-flow reaction zone, settling section comprises entrance preliminary sedimentation district, tube settling district and enrichment region, stirrer and guide shell is provided with in hybrid reaction district, hoisting type mixing and blending machine comprises electric control box, converter plant is established in electric control box, electric control box connects step-down gear, step-down gear connects vertical shaft, vertical shaft connects agitating vane, agitating vane adopts axial flow type agitating valve leaf, guide shell is by cylinder, cone and flow steadying grid composition, cylinder connects centrum, cone connects flow steadying grid, the effect of flow steadying grid is the vortex eliminating ascending fluid, settling section comprises center driving concentrated mud scraper, center driving concentrated mud scraper top is provided with inclined plate packing, inclined plate packing top is overflow weir, overflow weir side is peg gate, overflow weir opposite side is thief hole, center driving concentrated mud scraper comprises transmission mechanism, transmission mechanism is provided with overload protection arrangement, transmission mechanism is provided with transmission vertical shaft, transmission mechanism connects Scraping device, Scraping device is made up of scraping arm and scraper plate, scraping arm lower edge is provided with cleaning shoe, Scraping device is provided with vertical grizzly bar and backflow cone, center driving concentrated mud scraper top is provided with effluent trough, center driving concentrated mud scraper is provided with inclined tube and back up pad, mud mouth is provided with bottom center driving concentrated mud scraper.
As the further improvement of above-mentioned technology, described step-down gear adopts and stirs special reduction gear.
As the further improvement of above-mentioned technology, described vertical shaft adopts tubular axis structure.
As the further improvement of above-mentioned technology, described stirrer adopts lifting type mixer.
As the further improvement of above-mentioned technology, described transmission mechanism adopts speed governing step-down gear.
As the further improvement of above-mentioned technology, described scraping arm is the truss-frame structure be arranged symmetrically with.
As the further improvement of above-mentioned technology, described effluent trough is provided with longitudinal divider.
Compared with prior art, the beneficial effects of the utility model are: 1. flocs unit recycles the result of use that improve flocculation agent, save the medicament of 10% to 30%; 2. the layout of inclined tube improves sedimentation effect, has higher sedimentation speed, can reach 20m/h-40m/h; 3. the sludge concentration of discharge is high: can reach 30-550 grams per liter; 4. Integral sludge concentrates and avoids follow-up concentration technology, and the mud of generation directly can carry out processed; 5. anti impulsion load: insensitive to water inlet fluctuation; 6. processing efficiency is high, and unit surface water production rate is large, and floor space is little, and construction investment is low, is particularly useful for reconstruction and extension project.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
A kind of efficient sedimentation tank, comprise reaction zone and settling section, reaction zone comprises hybrid reaction district and plug-flow reaction zone, settling section comprises entrance preliminary sedimentation district, tube settling district and enrichment region, stirrer and guide shell is provided with in hybrid reaction district, stirrer adopts lifting type mixer, hoisting type mixing and blending machine comprises electric control box, converter plant is established in electric control box, electric control box connects step-down gear 9, step-down gear 9 adopts and stirs special reduction gear, step-down gear connects vertical shaft, vertical shaft adopts tubular axis structure, vertical shaft connects agitating vane, agitating vane adopts axial flow type agitating valve leaf, guide shell is by cylinder, cone and flow steadying grid composition, cylinder connects centrum, cone connects flow steadying grid, the effect of flow steadying grid is the vortex eliminating ascending fluid, settling section comprises center driving concentrated mud scraper 7, center driving concentrated mud scraper 7 top is provided with inclined plate packing 4, inclined plate packing 4 both sides are crossbeam 6, inclined plate packing 4 top is overflow weir 3, overflow weir 3 side is peg gate 5, overflow weir 3 opposite side is thief hole 1, center driving concentrated mud scraper 7 comprises transmission mechanism, transmission mechanism adopts speed governing step-down gear, transmission mechanism is provided with overload protection arrangement, transmission mechanism is provided with transmission vertical shaft, transmission mechanism connects Scraping device, Scraping device is made up of scraping arm and scraper plate, scraping arm is the truss-frame structure be arranged symmetrically with, scraping arm lower edge is provided with cleaning shoe, Scraping device is provided with vertical grizzly bar and backflow cone, center driving concentrated mud scraper side is provided with entrance 10, center driving concentrated mud scraper top is provided with effluent trough 2, effluent trough 2 is provided with longitudinal divider, center driving concentrated mud scraper 7 is provided with inclined tube and back up pad, mud mouth 8 is provided with bottom center driving concentrated mud scraper 7.
During utility model works, step-down gear adopts and stirs special reduction gear, can bear moment of flexure and torsional interaction simultaneously; Vertical shaft adopts tubular axis structure, has enough Rigidity and strengths; Agitating vane adopts axial flow to promote design, has low lift, the characteristic of large discharge; Converter plant is established in electric control box, by regulating the rotating speed of stirrer, realize best stirring, mixed effect, settling section is primarily of center driving concentrated mud scraper, effluent trough, inclined tube and back up pad composition, and center driving concentrated mud scraper is primarily of compositions such as transmission mechanism, transmission vertical shaft, Scraping device, vertical grizzly bar, backflow cones.Transmission mechanism adopts speed governing step-down gear, can regulate the travelling speed of mud scraper, to reach best sludge discharge effects according to the sludge concentration of settling section; Transmission mechanism has overload protection function simultaneously, and when electric current reaches the current value of setting, power-off is immediately shut down; Transmission vertical shaft adopts tubular axis, has enough rigidity, and in settling section, alumen ustum slower speeds enters into settling region from preliminary sedimentation district makes most of alumen ustum in preliminary sedimentation district precipitation, and residue alumen ustum enters tube settling district and completes residue alumen ustum precipitation process.Alumen ustum is accumulated as mud and concentrates in bottom, settling region, enrichment region is divided into two-layer, and one deck is positioned at mud-removing bucket top, is promoted to reaction tank feed-water end with recycle through pump; One deck is positioned at mud-removing bucket bottom, is discharged enter sludge treating system by pump, and primary water is collected by water leg and entered subsequent disposal structures; In hybrid reaction district, the lifting mixing effect by agitator completes the quick aggregation of body refuse, medicament, former water, is then promoted to plug-flow reaction zone through impeller and carries out flocculation reaction at a slow speed, to form larger flocs unit.Whole reaction zone (mixing and plug-flow reaction zone) can obtain alumen ustum high density homogeneous in a large number, this highdensity alumen ustum makes mud very fast in the settling velocity of settling region, and not affecting effluent quality, the utility model is mainly used in 1. tap water: earth's surface water clarification and (or) softening; 2. industrial tap water: the preparation of industrial tap water; 3. town sewage: primary precipitation and (or) deep phosphorous removal; 4. rainwater treatment: reuse after rainwater-collecting process.The utility model adopts highly effective integral water purifying device to be made up of short mix system, flocculation sedimentation system, medicine system and robot control system(RCS); Short mix system: add coagulating agent in the inlet channel of mixing pit, stirrer makes coagulating agent fully mix with former water, and mixed solution enters flocculation basin by pipeline from bottom.Flocculation sedimentation system has flocculation, precipitation and the function of sludge condensation, is the core of whole device.Flocculation part forms by two sections: leading portion is mechanical stirring flocculation, inside establishing guide shell, and lifting stirrer is set in guide shell, by promoting stirrer, water being circulated in flocculation basin, coagulant aids filling point is located in guide shell, enters back segment after fully mixing with former water; Back segment adopts the form of dividing plate flocculation, and sewage passes slowly dividing plate and enters post precipitation pond; Settling tank adopts pipe chute deposition technique, arranges dividing plate, make water outlet even above inclined tube; Be sludge settling and concentrating space below settling tank, the sludge part in pond is back to leading portion and mixes with former water, and part is discharged outside pond through sludge pump and carried out subsequent disposal.Medicine system: adopt volume pump to dosing coagulant in treatment system and coagulant aids.The utility model can need according to the difference of Practical Project or the difference of water quality purposes carries out suitable assembling or fractionation.In addition, the structure design of this device container-type is convenient to transport, make it be particularly useful for emergency episode to supply water or without the independent water requirements in water supply network area temporarily, simultaneously, what this equipment also can improve sewage as advanced treatment section goes out water quality to meet high standard emission request, adopt special Calculation in Axial flow Impeller Design, systemic circulation flow is provided; There is stepless frequency control function, strong adaptability; Adopt and stir special reduction gear, structure is simple; The appropriate design in impeller and guide shell gap, greatly improves the mixing of former water, flocculation agent and returned sluge; The inside and outside double-deck particular design of flow steadying grid, the object eliminating whirlpool can be reached completely, there is overcurrent protection, sensitive, accurate, reflux is set, meets the needs of technological cycle mud, effluent trough is arranged longitudinal divider and improve waterpower distribution, the utility model flocs unit recycles the result of use that improve flocculation agent, saves the medicament of 10% to 30%; The layout of inclined tube improves sedimentation effect, has higher sedimentation speed, can reach 20m/h-40m/h; The sludge concentration of discharge is high: can reach 30-550 grams per liter; Integral sludge concentrates and avoids follow-up concentration technology, and the mud of generation directly can carry out processed; Anti impulsion load: insensitive to water inlet fluctuation; Processing efficiency is high, and unit surface water production rate is large, and floor space is little, and construction investment is low, is particularly useful for reconstruction and extension project.
The foregoing is only the utility model preferred embodiment; not thereby embodiment of the present utility model and protection domain is limited; to those skilled in the art; the equivalent replacement that all utilization the utility model specification sheetss and diagramatic content are made and the scheme that apparent change obtains should be recognized, all should be included in protection domain of the present utility model.