Summary of the invention
The technical problems to be solved in the utility model is, at the defective that load is heavy, community wastewater facility floor space is big of municipal wastewater treatment system in the above-mentioned defective of prior art, but after being provided, a kind of sewage wherethrough reason can reach city miscellaneous water water quality standard also direct reuse discharges, floor space is little sewage disposal and reusing integral equipment and community wastewater treatment system.
One of technical scheme that its technical problem that solves the utility model adopts is: construct a kind of sewage disposal and reusing integral equipment, it comprises a tank body, and described tank body comprises left side section and right section, be provided with baffle plate between left side section, the right section, the baffle plate upper end is provided with screen cloth, and screen cloth links to each other with the tank body top
Left side section is handled the first water treatment zone that obtains first treating water for adopting MBBR to sewage, and left side section is provided with water-in;
Right section is handled the second water treatment zone that obtains secondary treatment water for adopting membrane bioreactor to described first treating water, the submersible sewage pump that right section is provided with water outlet, sewage draining exit and links to each other with sewage draining exit;
Be equipped with the aeration flexible pipe that is used to inject air in first, second water treatment zone.
In sewage disposal described in the utility model and the reusing integral equipment, described water outlet is connected with membrane bioreactor inside, and described sewage draining exit is connected with the membrane bioreactor outside.
In sewage disposal described in the utility model and the reusing integral equipment, in the first water treatment zone, aeration flexible pipe is arranged on the bottom and baffle plate in the first water treatment zone.
In sewage disposal described in the utility model and the reusing integral equipment, in the second water treatment zone, aeration flexible pipe is arranged on the bottom in the second water treatment zone.
In sewage disposal described in the utility model and the reusing integral equipment, the sidewall of described aeration flexible pipe is provided with at least one venting hole.
In sewage disposal described in the utility model and the reusing integral equipment, described sewage disposal and reusing integral equipment also comprise the filter member that is arranged on filtration foreign material on the described water-in.
In sewage disposal described in the utility model and the reusing integral equipment, described filter member is a grid.
In sewage disposal described in the utility model and the reusing integral equipment, left side section is provided with porthole.
In sewage disposal described in the utility model and the reusing integral equipment, right section is provided with porthole.
Two of the technical scheme that its technical problem that solves the utility model adopts is: construct a kind of community wastewater treatment system, comprise continuous septic tank, sewage disposal and reusing integral equipment, sterilization equipment and the reuse pool of order successively, described sewage disposal and reusing integral equipment are sewage disposal described in one of technique scheme and reusing integral equipment.
Implement sewage disposal of the present utility model and reusing integral equipment, community wastewater treatment system, have following beneficial effect:
First: in tank body, adopt MBBR and membrane bioreactor to the sewage of discharging and handle successively through the externalizing manure pit, realized the integrated design of sewage disposal, water after the processing can reach city miscellaneous water water quality standard, but and direct reuse discharging, under the general background in short supply of water resources in china, opened up second water resources, save valuable Freshwater resources, had remarkable social benefit;
Second: adopt MBBR and membrane bioreactor, processing efficiency is improved, under the situation of handling identical sewage quantity, reduced floor space significantly;
The the 3rd: need not septic tank is transformed, be convenient in the sub-district, construct;
The 4th: this community wastewater treatment system collection septic tank, sewage disposal and reusing integral equipment, sterilization equipment and reuse pool are one, and simple structure is convenient to management maintenance when implementing in the sub-district.
Embodiment
As shown in Figure 1, be the structure iron of first embodiment of the utility model sewage disposal and reusing integral equipment.This sewage disposal and reusing integral equipment comprise a tank body 10, and this tank body 10 comprises left side section 101 and right section 102, are provided with baffle plate 100 between left side section 101, the right section 102, and baffle plate 100 upper ends are provided with screen cloth 1000, and screen cloth 1000 links to each other with tank body 10 tops.Left side section 101 is handled the first water treatment zone that obtains first treating water for adopting MBBR to sewage, and left side section 101 is provided with water-in; Right section 102 is handled the second water treatment zone that obtains secondary treatment water for adopting membrane bioreactor to described first treating water, right section 102 submersible sewage pumps 107 that are provided with water outlet, sewage draining exit and link to each other with sewage draining exit; Be equipped with the aeration flexible pipe that is used to inject air in first, second water treatment zone.Wherein, described water outlet is connected with membrane bioreactor inside, and the secondary treatment water that second water treatment zone produces is extracted out by an outside lift pump M.Described sewage draining exit is connected with the membrane bioreactor outside, and residual sea water pump 107 is arranged between membrane bioreactor and the tank body 10.
In the first water treatment zone, aeration flexible pipe is arranged on the bottom in the first water treatment zone and on the baffle plate,, the above-mentioned aeration flexible pipe that is arranged in the first water treatment zone is called first aeration flexible pipe 105 herein.In the second water treatment zone, aeration flexible pipe is arranged on the bottom in the second water treatment zone,, the above-mentioned aeration flexible pipe that is arranged in the second water treatment zone is called second aeration flexible pipe 106 herein.In the utility model, first aeration flexible pipe 105 and second aeration flexible pipe 106 adopt with three-port structure and are communicated with, and all charge into air by an external blower N.Further, be equipped with at least one venting hole 120 on the sidewall of first aeration flexible pipe 105 and second aeration flexible pipe 106.
Certainly,, in the first water treatment zone, first aeration flexible pipe 105 can only be set in the bottom, specifically can select to be provided with according to actual demand if when the concentration of sewage is very little.
As seen, in tank body 10, adopt MBBR and membrane bioreactor that the sewage of discharging through the externalizing manure pit is handled successively, realized the integrated design of sewage disposal, the water after the processing can reach city miscellaneous water water quality standard, but and direct reuse discharging, processing efficiency improves, floor space is little, and need not outside septic tank is transformed, and is convenient to construct in the sub-district.
As shown in Figure 2, be the structure iron of second embodiment of the utility model sewage disposal and reusing integral equipment.Be with the difference of first embodiment shown in Figure 1: on the basis of first embodiment, this sewage disposal and reusing integral equipment also comprise the filter member 110 that is used to filter foreign material on the water-in that is arranged on left side section 101, prevent that foreign material from entering the first water treatment zone, results in blockage.Preferably, this filter member 110 is a grid, certainly, also can be the filtering net of other form.
Further, section 101 tops, a left side are provided with first porthole 1012, right section 102 tops are provided with second porthole 1023, operator can observe by first porthole 1012 and 1023 pairs of working conditions of second porthole, whether normal as MBBR, whether membrane bioreactor stops up, and whether treating processes is abundant etc.
In above-mentioned Fig. 1 and Fig. 2, (English full name is Moving Bed Biofilm Reactor to adopt MBBR in the first water treatment zone, be abbreviated as MBBR), abbreviate as and move biological bed, the ultimate principle of MBBR utilization biomembrance process, in conjunction with the advantage of suspension activated sludge process, surmounted the shortcoming and the restriction of activated sludge process and biomembrance process.Preferably, MBBR adopts proportion to make filler than the little Ka Nizi PE biological contact filtering material light, that can be suspended in the sewage of water, and filter material has vast specific surface area, reaches as high as 1200m
2/ m
3Can provide good growing environment to microorganism, its filling ratio can be up to 67%, can be with pneumatic blending under aerobic operation, or holding concurrently/anaerobic operation under with mechanical stirring, biological contact filtering material is suspended in water uniformly flows, the processing efficiency height, floor space is little, and under same sewage load and treatment time, biological bed floor space need only other fixed biologically bed 1/10 to 1/5.Compare with other biological bed, MBBR has following advantage:
1, land used is economized, equipment is simplified, easy to operate;
2, be a kind of highly stable biomembrance process system;
3, the design flexibility of the biochemistry pool of MBBR inside is big;
4, no metal frame must keep in repair hardly;
5, need not reflux by mud;
6, sludge yield is few, alleviates follow-up investment.
Among above-mentioned two embodiment, preferably insert the Ka Nizi filler among the MBBR, certainly, also can insert other fillers.
Adopt membrane bioreactor (Membrane Bio-Reactor, english abbreviation are MBR) in the second water treatment zone, MBR adopts the tubular fibre curtain type film assembly.MBR is the novel sewage disposal technology that a kind of high performance membrane isolation technique combines with activated sludge process, the solid-liquid separation process of utilizing membrane module to carry out has replaced traditional second pond settling process, greatly improved the water quality after the advanced treatment of wastewater, water outlet can reach city miscellaneous water water quality standard.Compare with traditional technology, MBR can make active sludge have higher sludge concentration, has to strengthen the effect of removing organism and denitrogenation.Its remarkable advantage is as follows:
1, saves second pond, save and take up an area of; Compare with traditional treatment system, can save 50% floor space, on-the-spot disposal is reuse on the spot, has saved a large amount of pipe networks and has laid expense;
2, sludge concentration height in the reaction tank, system's capacity of resisting impact load is strong;
3, water outlet is continual and steady, and is easy and simple to handle, time saving and energy saving, need not staff on duty;
4, sludge discharge is extremely low, and contaminant degradation is thorough;
5, the ton water consumption is low, and membrane flux keeps and recovers good.
In the utility model, tank body 10 utilize high strength acid and alkali-resistance materials such as reinforced plastic glass fibre, organic resin successively moulding make.
As shown in Figure 3, be the structural representation of the utility model community wastewater treatment system, this community wastewater treatment system comprises continuous septic tank 2, sewage disposal and reusing integral equipment 1, sterilization equipment 3 and the reuse pool 4 of order successively.Wherein, septic tank 2 is used for the waste water that the resident produces is tentatively carried out discharging after the bulk processing, 1 pair of waste water of discharging through septic tank 2 of sewage disposal and reusing integral equipment is handled once more, finally the water through sewage disposal and reusing integral equipment 1 discharge will meet " city miscellaneous water water quality standard GB/T 18920-2002 ", can be used as view, greening, flush the toilet, waters such as flushing road, also can directly enter the Nature water body, and, in the working process of sewage disposal and reusing integral equipment 1, water after adopting lift pump M with sewage disposal and reusing integral equipment 1 processing is extracted out and is introduced in the sterilization equipment 3, adopts gas blower N to charge into air simultaneously in sewage disposal and reusing integral equipment 1.The water that 3 pairs of sewage disposals of sterilization equipment and reusing integral equipment 1 the discharged germicidal treatment that carries out disinfection, and the water after disinfection handled is delivered in the reuse pool 4 in order to the direct reuse discharging, under the general background in short supply of water resources in china, opened up second water resources, valuable Freshwater resources have been saved, has remarkable social benefit, in addition, this community wastewater treatment system collection septic tank 2, sewage disposal and reusing integral equipment 1, sterilization equipment 3 and reuse pool 4 are one, simple structure is convenient to management maintenance when implementing in the sub-district.
This sewage disposal and reusing integral equipment 1 are above being described in detail, with mentioned above identical, repeat no more herein.
The above only is embodiment of the present utility model, not in order to restriction the utility model, all any modifications of being done in spirit of the present utility model and principle, is equal to and replaces or improvement etc., all should be included in the protection domain of the present utility model.