CN2639296Y

CN2639296Y - Integral deep treater for sewage

Info

Publication number: CN2639296Y
Application number: CN 03218542
Authority: CN
Inventors: 胡志忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-14
Filing date: 2003-02-14
Publication date: 2004-09-08
Anticipated expiration: 2013-02-14

Abstract

The utility model discloses an integrative sewage depth- processor structure, which is a multi-level cylinder shaped tower structure with more than two levels. The middle canister is a depositing zone; according to the water quality and quantity of the sewage, the outer wall of the depositing pool around the middle canister is designed into a level or multi-level ring-body structure. The height is decrease by degrees from the center to the outer and a stage-shape tower structure with the highest in the center and degressive height around the outer is formed. The utility model divides into a depositing zone I, a biologic zone II, a filtering zone III and a disinfecting zone IV and so on. The device is characterized in flexible operation and convenient management. The device can simplify the sewage treating process greatly, save the investment and occupied area, increase the treatment efficiency and impact load, enhance the effect for dephosphorization and de-nitrogen and realize full and one-off eligibility for water treatment. The device can integrate deposition, isolating biology vermicular bed, filtration and disinfection together, and make the sewage directly reach the recycle standard of water quality after the treatment of the device.

Description

Integrated sewage water advanced treatment device

Technical field

The utility model relates to a kind of integrated sewage water advanced treatment device, particularly a kind of advanced treatment of wastewater equipment that settling tank, biological wriggling bed, high-efficiency bio-filter pool and disinfecting tank are integrated in one.This equipment can be widely used in the processing of town sewage, trade effluent and high concentrated organic wastewater etc., and this integrated sewage water advanced treatment device can directly reach middle water reuse standard after treatment.

Background technology

The integrated reactor of research and development mainly contains following three classes both at home and abroad at present: the one, and based on pre-treatment, mainly be to adopt physical method that the solid impurity in the sewage is separated.Though this integrated reactor is simple in structure, take up an area of for a short time, processing efficiency is low, only can be used as the front end pre-treatment of secondary biochemical treatment.The 2nd, to remove COD, the BOD in the sewage.The characteristics of this class reactor are that traditional city B-grade sewage treatment process is combined in the equipment, and wherein activated sludge process or contact oxidation method are partly adopted in Guan Jian biochemical treatment.This integrated reactor is owing to still adopt the simple superposition combination of traditional activated sludge process or anaerobism, aerobic process method, thereby exist operating load low, structure is compact inadequately, auxiliary facility is many, and floor space is big, the running cost height, adaptive surface is narrow, it is relatively poor relatively to handle the back effluent quality, and influent quality has strict shortcomings such as restriction, and the sewage after such integrated reactor is handled is to be difficult to comprehensive qualified discharge.The 3rd, can remove COD, BOD, also take into account dephosphorization denitrogenation.The characteristics of this class reactor are that the preliminary sedimentation tank with single-stage aerobic biochemical reactor is replaced by an anaerobic pond, perhaps add an oxygen compatibility pool between anaerobic pond and Aerobic Pond again.Though this integrated reactor is better relatively on removal effect, the subject matter that exists is: equipment is very huge, and investment is high, and auxiliary facility is many, and structure is compact inadequately, and floor space is big, shortcomings such as running cost height.

Integrated reactor is made up traditional municipal effluent second-stage treatment flow process at present, main is process object with the organism in the sewage, ignored dephosphorization denitrogenation and middle water is used back, pollution is on the rise for body eutrophication, government obviously can not satisfy the demand to today that sewage disposal plant effluent index up to standard improves day by day.

The utility model content

The purpose of this utility model is to overcome the deficiency of existing integrated reactor, provide a kind of structure compact more, anti-shock loading is strong, adapt to wide, it is high to handle load, floor space is little, and disposable treat effluent can reach characteristics such as reusing sewage water quality standard, can integrate the apparatus for treating sewage of water reuse in settling tank, biological wriggling bed, high-efficiency bio-filter pool, the disinfecting tank.

Integrated sewage water advanced treatment device structure of the present utility model is: multi-layer cylinder type pagoda structure.Middle tube is the settling region, is round shape vertical sedimentation basin I, and the bottom is tapered, and shore pipe 3 is equipped with in the bottom, and its precipitation part is generally cavity, but in order to improve sedimentation effect, also can add swash plate (or inclined tube).Around middle tube is that the settling tank outer wall is designed to one or more layers ring body structurc according to the sewage quality water yield, and outside layer height successively successively decreases from the center, the highest in the middle of forming, the notch cuttype pagoda structure that peripheral one deck is lower than one deck.Every layer of ring body used water shoveling board 6, descended water shoveling board 7 to be divided into some levels, water flows down between upper and lower water shoveling board after covering water shoveling board 6 tops, flow into next stage by water shoveling board 7 bottoms again, enter the outer water flow mode that to be lowered to that adopts too by internal layer, according to the sewage disposal demand, except that settling tank, the multilayer ring body structurc can be divided into the biological wriggling bed of biochemical zone II, high-efficiency bio-filter pool district III, disinfecting tank IV successively, and can accept or reject as required; As the ponds at different levels of the biological wriggling bed of biochemical zone II, aerating system is established in the bottom, and middle microorganism, the carrier filler loaded respectively established the perforation dividing plate in the levels of carrier, prevents that carrier runs off, and in the equipment debugging start-up course, adds high-effective microorganism.The advantage of this pond type is to make its final qualified discharge according to the useful volume of any equalizing tank body of influent quality; Basin bottom as high-efficiency bio-filter pool district III is established the back flushing blast main, and the middle layer is provided with filtrate; Be generally last step in the outer layer ring body structure as disinfecting tank IV, at the bottom of the pond, establish the chlorination pipe.Settling region I, biochemical zone II, filtrating area III, sterilizating area IV are common wall form, thereby make this equipment compact more, have saved occupation of land and cost.

Description of drawings

Fig. 1 is for using the vertical view of a kind of integrated sewage water advanced treatment device of the present utility model, and Fig. 2 is its sectional view.

Among the figure: the 1-water inlet pipe; The 2-rising pipe; The 3-shore pipe; 4-settling tank rising pipe; 5-biochemistry pool communicating pipe; The last water shoveling board of 6-; Water shoveling board under the 7-; The 8-carrier filler; The 9-aeration tube; The I-vertical sedimentation basin; The biological wriggling bed of II-biochemical zone; III-high-efficiency bio-filter pool district; The IV-disinfecting tank.

Embodiment

Integrated sewage water advanced treatment device with three layers of round tube type pagoda structure is that example is illustrated below.As shown in Figure 1.

This vertical sedimentation basin I be on the basis of traditional vertical sedimentation basin, changed join, water-out manners, increased swash plate, make the suspended substance in the sewage be more prone to sedimentation, processing efficiency further improves.These pond characteristics are that sewage passes through in the distributing trough of water inlet pipe 1 inflow settling tank neighboring, water inlet enters the sludge settling district downwards around pool wall, after ging up by sloping plate deposition, the sewage after the sedimentation enters the inside circumference effluent trough from the top, middle part, form circumferential water feed, the typical process of peripheral effluent, water is introduced the biological wriggling bed of biochemical zone II by settling tank rising pipe 4 from the bottom.Mud is then discharged outside the pond by bottom shore pipe 3.

The biological wriggling bed of biochemical zone II is designed to two layers of ring body structurc around the settling tank outer wall and according to the sewage quality water yield, every layer of ring body used water shoveling board 6, descended water shoveling board 7 to be divided into some levels, make every grade of current form the biological wriggling bed of flow lifting type, aeration tube 9 is established in the bottom, middle microorganism, the carrier filler 8 loaded respectively established the perforation dividing plate in the levels of carrier, prevents that carrier runs off, the up-flow mode of advancing is down still taked out by biochemistry pool communicating pipe 5 in internal layer pond and outer pond.In carrier, throw in high-effective microorganism, adopt the immobilization technology of microorganism and carrier, make the microorganism concn that increases substantially in the sewage, the biochemical denitrification function of enhanced system.Be water between every grade of the on the other hand biological wriggling bed, reduced biochemical equipment and taken up an area of and lagging material.The 3rd because the water distribution of biological wriggling bed is flow lifting type, so current can effectively be contacted with carrier equably, has improved biological activity and treatment effect like this, and has been difficult for stopping up.The 4th, owing to adopted the microbial immobilization technology, macropore combines with aperture in the carrier, and aerobic, the oxygen of holding concurrently, anaerobic process are carried out in reactor simultaneously, and therefore in effective reduction sewage in the COD, ammonia nitrogen also can be degraded simultaneously.The 5th, because the carrier that adopts is soft protruded packing, thus behind multi-stage biological wriggling bed, the degraded of also can being dammed of the suspended substance in the water, so do not need second pond, the while does not need the mud return-flow system yet.Water after multi-stage biological wriggling bed is handled enters high-efficiency bio-filter pool district III from the water shoveling board of flowing through from the bottom.

High-efficiency bio-filter pool is the part in the outer layer ring body structure, and the back flushing blast main is established in the bottom, and the middle layer is provided with filtrate.Sewage after biological wriggling bed is handled enters the biological filter through water shoveling board from the bottom, further removes the suspended substance in the water, and blow-off pipe is set at the bottom of the pond, when the sewage water filtration resistance arrives to a certain degree greatly, open flush valve, from the top water inlet, the bottom spoil disposal can reach the purpose of back flushing filtrate.Water after the filtration treatment enters disinfecting tank IV through water shoveling board from the bottom.

Disinfecting tank is the last step in the outer layer ring body structure, establishes the chlorination pipe at the bottom of the pond, discharges the integrated sewage water treaters from Chi Ding through rising pipe 2 after the chlorination processing reaches the reusing sewage water quality standard, finishes the processing whole process of water reuse in the sewage.

The characteristics of the utility model integrated sewage water advanced treatment device are to integrate settling tank, biological wriggling bed, high-efficiency bio-filter pool, disinfecting tank, the processing efficiency height, sewage can reach the reusing sewage water quality standard by this integration apparatus, compact construction, floor space are little, reduced investment, instant effect, anti-shock loading are strong, adapt to face width, have very big application value.

Claims

1. integrated sewage water advanced treatment device, it is characterized in that its structure is a round tube type pagoda structure more than two layers: middle tube is the settling region, be the round shape vertical sedimentation basin, the bottom is tapered, shore pipe (3) is equipped with in the bottom, is that the settling tank outer wall is designed to one or more layers ring body structurc according to the sewage quality water yield around middle tube, and outside layer height successively successively decreases from the center, the highest in the middle of forming, the notch cuttype pagoda structure that peripheral one deck is lower than one deck; Every layer of ring body used water shoveling board (6), descended water shoveling board (7) to be divided into some levels, water flows down between upper and lower water shoveling board after covering water shoveling board (6) top, flow into next stage by water shoveling board (7) bottom again, enter the outer up-flow mode that to be lowered to that adopts too by internal layer, each pond can be divided into the biological wriggling bed of biochemical zone (II), high-efficiency bio-filter pool district (III), disinfecting tank (IV) respectively.

2. integrated sewage water advanced treatment device according to claim 1 is characterized in that being provided with swash plate or inclined tube in the settling tank (I).

3. integrated sewage water advanced treatment device according to claim 1 and 2 is characterized in that there is distributing trough settling tank (I) neighboring, and inside circumference is an effluent trough, and the middle part is provided with swash plate or inclined tube.

4. integrated sewage water advanced treatment device according to claim 1 is characterized in that aerating system is established in the bottom as the ponds at different levels of the biological wriggling bed of biochemical zone (II), and middle microorganism, the carrier filler loaded respectively established the perforation dividing plate in the levels of carrier.

5. integrated sewage water advanced treatment device according to claim 1 is characterized in that establishing the back flushing blast main as the below, pond of high-efficiency bio-filter pool district (III), and the middle layer is provided with filtrate, and blow-off pipe is set at the bottom of the pond.

6. integrated sewage water advanced treatment device according to claim 1 is characterized in that establishing the chlorination pipe as the basin bottom of disinfecting tank (IV).