One way of life sewage merges purification tank ecological treatment apparatus
Technical field
The invention belongs to environmental technology field, particularly relate to sewage treatment area, be specifically related to one way of life sewage and merge purification tank ecological treatment apparatus.
Background technology
China is the country of a water resources critical shortage, there is the problem that Freshwater resources lack and water pollution is day by day serious.Particularly domestic sewage in rural areas quantity discharged is in ascendant trend year by year, but China is low to rural domestic sewage treatment ability, processing mode falls behind, and far can not meet rural economic development needs.
China's municipal sewage system, sewage collection system and sewage work's fraction of coverage are all lower, along with country is increasingly strict to the requirement of sewage drainage standard, the villa beyond numerous sewage collection system, biotope and medium-sized enterprise all need to build independently sewage treatment unit.In addition, also all there is sanitary sewage emission problem on the spot in landscaped area, tourist district, factory mine and army's barracks etc.
Traditional manure pit can only play Effect of Pretreatment to sewage, can not meet emission request.And build that sewage work's investment is large, working cost is high.Other rural area decentralized type sewage treatment technologies as numerous in artificial swamp, rapid infiltration land, floating bed, stabilization pond etc. by Chinese scholars and researchist pay attention to, and many improved forms are proposed on the original basis, but various technology all exists the defect of self, limit it and apply.
Since nineteen nineties, the purification tank technology for decentralized type sewage process introduces China by Japan, has played certain effect at sewage treatment area.But it is comparatively large to there is early investment, and operation cost takes too high problem always.And purification tank is difficult in maintenance after installing, and does not run or safeguard incapable and idle in operational process after causing many purification tanks to build up.
According to China's national situation; explore the distributing rural sewage treatment mode of suiting measures to local conditions; both the qualified discharge problem of rural area and surrounding area sanitary sewage had been solved; take into full account again reusing sewage needs; saving water resource, protection water surrounding; promoting rural economic development and resource, environment coordination, is the key of research rural area decentralized type sewage treatment technology.
Summary of the invention
The object of the present invention is to provide a kind of applicable wide, maintenance management is convenient, and capacity of resisting impact load is strong, joint space-efficient sanitary sewage merging purification tank ecological treatment apparatus.
The technical solution adopted for the present invention to solve the technical problems is: one way of life sewage merges purification tank ecological treatment apparatus, and comprise pre-filtering room and purification tank device room, described purification tank device room comprises anaerobic pond, anoxic pond, Aerobic Pond, clean water basin, sterilization pool, switchboard, described pre-filtering room is provided with sewage water inlet pipe and filter vat one, is provided with rising pipe bottom described filter vat one, and described rising pipe is connected with anaerobic pond by anaerobic pond water inlet pipe, is provided with anoxic pond successively after described anaerobic pond, Aerobic Pond, clean water basin, sterilization pool, is provided with the Aerobic Pond supernatant liquor return line be connected with switchboard in described Aerobic Pond, aeration board and Aerobic Pond water lift pipe, described Aerobic Pond supernatant liquor return line is through switchboard, anoxic pond return water pipe is connected with anoxic pond, and described Aerobic Pond water lift pipe is through switchboard, clean water basin water inlet pipe is connected with clean water basin, is provided with filter vat three in described clean water basin, and the ingress of described sterilization pool is provided with sterilizing case, and described sterilization pool is provided with water port, and sterilization pool is also connected with water pump.
Particularly, described pre-filtering room is arranged near drainage pipeline, filter vat one is positioned at below sewage water inlet pipe, the edge of filter vat one is provided with the groove for fixing sewage water inlet pipe, filter vat one top arranges hand basket fine fack, bottom arranges poroid screen plate one, screen plate one is coated with filter membrane one.
Particularly, the below of the anaerobic pond water inlet pipe of described anaerobic pond is provided with filter vat two, screen plate two is provided with bottom filter vat two, screen plate two is coated with filter membrane two, anaerobic pond filler is provided with in described anaerobic pond, described anaerobic pond filler adopts carbon fibre, in strip, is vertically provided with flap between anaerobic pond filler.
Particularly, be provided with anoxic pond filler in described anoxic pond, described anoxic pond filler is carbon fibre ball.
Particularly, be provided with Aerobic Pond filler in described Aerobic Pond, described Aerobic Pond filler is protruded ripple plate.
Particularly, described filter vat three bottom is provided with poroid screen plate three with bayonet, screen plate three is covered with filter membrane three.
Particularly, described filter vat three sidewall sets out the mouth of a river, and the position of described water outlet is lower than sewage water inlet pipe and higher than the water outlet of anaerobic pond, anoxic pond, clean water basin, sterilization pool.
Particularly, be provided with top blind flange above described purification tank device room, be provided with triangle reinforced steel bottom described top blind flange, be provided with solar panel above top blind flange, described solar panel is connected with switchboard.
The present invention has following beneficial effect:
1, ecological treatment apparatus of the present invention has the advantages that investment is low, maintenance management convenient, capacity of resisting impact load is strong, is applicable to the merging treatment of town and country dispersant type domestic wastewater.
2, apparatus of the present invention main body is positioned at shallow underground, appropriate depth manual operation, top blind flange flushes with ground, surrounding is buried, groove body is stressed limited, and device can use a common plastics grooving, also can not seepage while reducing costs, each reaction tank top is added a cover, and can check at any time, clear up, setting device operation conditions.Several triangle reinforced steels are added at top, device room, play a supporting role to top blind flange, above can as parking space.
3, the present invention increases anaerobic pond space, and adds flap wherein, and this design capacity of resisting impact load is strong, achieve the abundant anaerobic hydrolysis of sewage, enhance biological treatment efficiency, can effectively remove BOD and remove N, P, SS simultaneously, realize advanced treatment of wastewater further.
4, the present invention can make small-sized, medium-sized and large-scale as required: packaged unit is applicable to family and the less decentralized type sewage processing unit of other scales, can be designed to little (one), little (two) type according to the size of population; Middle-scale device is applicable to the slightly large water use sector of scale; Large-scale plant is sewage works, can town and country dual-purpose.The each reaction tank of all types of purification tank devices can grooving alone or in combination, and each groove is placed separately, and the independent cover plate in top, is connected by valve pipe, and management maintenance also facilitates simple and direct.For large-scale plant, each reaction tank (particularly anaerobic pond) can become multiple groove by serial or parallel connection, to maintain easily management.
Accompanying drawing explanation
Fig. 1 is the structural representation of ecological treatment apparatus of the present invention.
In figure, 1, sewage water inlet pipe, 2, groove, 3, hand basket fine fack, 4, filter membrane one, 5, screen plate one, 6, rising pipe, 7, filter vat one, 8, pre-filtering room, 9, anaerobic pond water inlet pipe, 10, filter vat two, 11, screen plate two, 12, filter membrane two, 13, anaerobic pond filler, 14, anaerobic pond, 15, flap, 16, anoxic pond filler, 17, anoxic pond, 18, Aerobic Pond, 19, clean water basin, 20, sterilization pool, 21, switchboard, 22, Aerobic Pond supernatant liquor return line, 23, anoxic pond return water pipe, 24, aeration board, 25, Aerobic Pond filler, 26, Aerobic Pond water lift pipe, 27, clean water basin water inlet pipe, 28, filter vat three, 29, filter membrane three, 30, screen plate three, 31, sterilizing case, 32, water port, 33, water pump, 34, purification tank device room, 35, solar panel, 36, top blind flange, 37, triangle reinforced steel.
Embodiment
As shown in Figure 1, one way of life sewage merges purification tank ecological treatment apparatus, and comprise pre-filtering room 8 and purification tank device room 34, described pre-filtering room 8 is connected by pipeline with described purification tank device room 34.Described purification tank device room 34 can be settled separately according to place, top blind flange 36 is provided with above described purification tank device room 34, triangle reinforced steel 37 is provided with bottom described top blind flange 36, be provided with solar panel 35 above top blind flange 36, described solar panel 35 is connected with switchboard 21.Except solar panel 35, complete assembly locates below ground level, appropriate depth manual operation, cover plate flushes with ground, in reaction tank, temperature is comparatively constant, is not vulnerable to extraneous air, temperature fluctuations affect, for various biochemical bacterium provides good breeding place.Top is added a cover respectively, can check at any time, clear up, setting device operation conditions, this design breach conventional purge groove depth buried under, operation conditions is directly perceived, and the general population is difficult to the problem operated.Several triangle reinforced steels 37 are added at top, play a supporting role to top blind flange 36, above can as parking space.
The present invention takes only to bury device body surrounding, groove body is stressed limited, device can use a common plastics grooving, this design breach conventional purge groove depth buried under, easy to leak, the problem that can only be manufactured by the material of the firm costliness such as stainless steel, glass reinforced plastic, also can not seepage while reducing costs.Cell body surrounding is embedded in soil, can not be subject to uviolizing, has delayed the aging of material, and device working life can not be impaired.
Described pre-filtering room 8 is arranged near drainage pipeline, filter vat 1 is positioned at below sewage water inlet pipe 1, the edge of filter vat 1 is provided with the groove 2 for fixing sewage water inlet pipe 1, filter vat 1 top arranges hand basket fine fack 3, bottom arranges poroid screen plate 1, screen plate 1 is coated with wide aperture filter membrane 1 (such as: filter paper, toilet paper, toilet paper etc.), the suspended substance in sewage, solid particulate, macromole zoogloea and grease be not by filter membrane.This step changes sewage in conventional process and namely enters the situation of reaction tank through grid filtration, this greatly reduces the degraded load of purification tank, solve the blockage problem that in subsequent reactions pond, filter bed easily occurs, the cleaning in anaerobe pond is facilitated simple and direct, need not professional be relied on.Wherein grease is not that it is more frivolous than water in waterborne again that fat and oil don't dissolve in water, so be trapped because first filter membrane is readily wetted by water by filter membrane.And the organic carbon source material of solvable, easy degraded can pass through filter membrane, for subsequent reactions provides sufficient organic carbon source.Compare with microfiltration membrane, wide aperture filter membrane material economy is easy to get, and treatment effect is good.
Described purification tank device room 34 comprises anaerobic pond 14, anoxic pond 17, Aerobic Pond 18, clean water basin 19, sterilization pool 20, switchboard 21, described pre-filtering room 8 is provided with sewage water inlet pipe 1 and filter vat 1, rising pipe 6 is provided with bottom described filter vat 1, described rising pipe 6 is connected with anaerobic pond 14 by anaerobic pond water inlet pipe 9, anoxic pond 17, Aerobic Pond 18, clean water basin 19, sterilization pool 20 is provided with successively after described anaerobic pond 14, be provided with Aerobic Pond filler 25 in described Aerobic Pond 18, described Aerobic Pond filler 25 is protruded ripple plate.The Aerobic Pond supernatant liquor return line 22 be connected with switchboard 21 is provided with in described Aerobic Pond 18, aeration board 24 and Aerobic Pond water lift pipe 26, described Aerobic Pond supernatant liquor return line 22 is through switchboard 21, anoxic pond return water pipe 23 is connected with anoxic pond 17, anoxic pond filler 16 is provided with in described anoxic pond 17, described anoxic pond filler 16 is carbon fibre ball, described Aerobic Pond water lift pipe 26 is through switchboard 21, clean water basin water inlet pipe 27 is connected with clean water basin 19, filter vat 3 28 is provided with in described clean water basin 19, described filter vat 3 28 bottom is provided with poroid screen plate 3 30 with bayonet, screen plate 3 30 is covered with filter membrane 3 29.Described filter vat 3 28 sidewall sets out the mouth of a river, and the position of described water outlet is lower than sewage water inlet pipe 1 and higher than the water outlet of anaerobic pond 14, anoxic pond 17, clean water basin 19, sterilization pool 20, during non-transformer, sewage filters outer row voluntarily.The ingress of described sterilization pool 20 is provided with sterilizing case 31, and described sterilization pool 20 is provided with water port 32, and sterilization pool 20 is also connected with water pump 33.
The below of the anaerobic pond water inlet pipe 9 of described anaerobic pond 14 is provided with filter vat 2 10, screen plate 2 11 is provided with bottom filter vat 2 10, screen plate two is coated with filter membrane 2 12, anaerobic pond filler 13 is provided with in described anaerobic pond 14, described anaerobic pond filler 13 adopts carbon fibre, in strip, between anaerobic pond filler 13, be vertically provided with flap 15.Strengthen anaerobic pond 14 space, and add flap 15 wherein, whether connected by strip filtrate bottom and fix flap position.As merging sewage purification slot device, containing more rich organic carbon source in sewage.Traditional purification tank anaerobic pond space is less, and sewage could not carry out sufficient anaerobic hydrolysis or just directly enter anoxic pond because internal recycle effect sewage does not carry out anaerobic hydrolysis, and release phosphorus bacterium could not abundant anaerobic phosphorus release.Strengthen anaerobe pool space, flap be set sewage can be allowed to carry out sufficient anaerobic hydrolysis, organism in sewage is attached to the anaerobion membrane degradation on filler, if anaerobic hydrolysis is relatively more abundant, in sewage, the organism of polymer difficult degradation all can change the organism that low molecule is easily degraded substantially into.Meanwhile, phosphorus bacterium abundant anaerobic phosphorus release in anaerobic environment is released.Release phosphorus bacterium through fully releasing phosphorus, in anoxic, Aerobic Pond, excess could inhale phosphorus, this step can improve the clearance of phosphorus in Aerobic Pond.If desired, can add acetate in anaerobic pond, improve anaerobic phosphorus release efficiency, sewage should more than 48h in the anaerobic pond residence time.
The present invention does not establish sludge reflux, and preventing affects anaerobic hydrolysis containing oxygen in Aerobic Pond returned sluge water, only according to operation conditions, the solid sludges retained in filter vat three is not filled filtrate part in backing up anaerobic pond forebay as required.Sufficient active sludge, can improve the efficiency of anaerobic hydrolysis, and this design also can be used for the upgrading of sewage work and sewage works.
During operation, first sewage enter the filter vat 1 in pre-filtering room 8, suspended substance in water, solid particulate, macromole zoogloea and grease be not by filter membrane 14, and this greatly reduces the degraded load of purification tank, also solves the blockage problem that in subsequent reactions pond, filter bed easily occurs; And the organic carbon source material of solvable, easy degraded can pass through filter membrane, for subsequent reactions provides sufficient organic carbon source.In filter vat 1, trapped substance needs timing cleaning, during cleaning, filter vat 1 trapped substance back-off is gone out bucket, and concentrate in addition as fertilizer and place, filter vat 1 water outlet enters purification tank anaerobic pond 14.Anaerobic pond 14 is made up of filter vat 2 10, flap 15 and anaerobic pond filler 13, anaerobic pond filler 13 adopts economic carbon fibre or combined stuffing, carbon fibre or combined stuffing are subject to after influent load impacts, can relatively comparatively fast conform, and microorganism active on filler being high.Filler does into strips, and bottom makes connection or unconnected form as required, facilitates flap 15 to insert.The filter membrane 2 12 of filter vat 2 10 can suspended substance, solid particulate, macromole zoogloea and grease further in filter sewage.During cleaning, filter vat 2 10 trapped substance back-off is gone out bucket or is manually released by bottom screen plate 2 11, trapped substance is also concentrated in addition as fertilizer and is placed.Anaerobic pond 14 arranges flap 15, and this design can prevent sewage from fully can not carry out anaerobic reaction, or does not carry out anaerobic reaction due to internal recycle effect and directly enter anoxic pond 17.Organism in sewage is attached to the anaerobion membrane degradation on anaerobic pond filler 13, if anaerobic hydrolysis is relatively more abundant, in sewage, the organism of polymer difficult degradation all can change the organism that low molecule is easily degraded substantially into.Meanwhile, phosphorus bacterium anaerobic phosphorus release in anaerobic environment is released.Microorganism or natural phant bacterium liquid can be added in anaerobic pond filler 13, remove the peculiar smell in sewage.Anaerobic pond 14 does not establish sludge reflux, directly adds according to anaerobic pond 14 running condition the solid sludges retained in filter vat 3 28, and preventing affects anaerobic hydrolysis reaction containing oxygen in returned sluge water.Sufficient active sludge, can improve the efficiency of anaerobic hydrolysis.Anaerobic pond 14 water outlet enters anoxic pond 17, and anoxic pond 17 arranges anoxic bacteria bed, and economic carbon fibre ball filled by anoxic pond filler 16, and biochemical bacteria is attached on filler, proceeds biochemical degradation to sewage.Anoxic pond 17 is main to be hydrolyzed nitrate reaction that the ammonia of generation and Aerobic Pond 18 reflux and to generate nitrogen and overflow and denitrogenate by anaerobic pond 14.Anoxic pond 17 water outlet enters Aerobic Pond 18, the filling porous waved plate of aerobe filter bed filler 25 in Aerobic Pond 18, and protruded ripple plate can biofilm, effectively can cut bubble again, improves transfer rate and the utilization ratio of oxygen.Aqueous vapor microbial film is fully exchanged, the organism in water is efficiently processed.Release phosphorus bacterium in Aerobic Pond 18 and absorb phosphorus, with sludge form precipitation, be separated from sewage, Aerobic Pond 18 supernatant fraction backflow anoxic pond 17.Aerobic Pond water lift pipe 26 adjustable in length, for extracting supernatant liquor during day-to-day operation, cleaning can extracting precipitating sludge when safeguarding, extract is retained in filter vat 3 28, and the filter membrane 3 29 of filter vat 3 28 can filter the active sludge in Aerobic Pond 18.During cleaning, filter vat 3 28 trapped substance back-off is gone out bucket or bottom screen plate 3 30 is manually released.Retain mud and can directly be added to anaerobic pond 14 no-arbitrary pricing part according to anaerobic pond 14 running condition, all the other retain mud and separately deposit as phosphate fertilizer.Other each pond sludge yields are little, during routine maintenance, according to running condition, also can clear up with the extracting of Aerobic Pond water lift pipe 26.All the other Aerobic Pond water are by the extracting of Aerobic Pond water lift pipe 26, and filter enter clean water basin 19 through clean water basin water inlet pipe 27, filter vat 3 28, clean water basin 19 water outlet enters sterilization pool 20.Sterilization pool 20 entrance arranges sterilizing case 31, and place solid sterilizing product, namely clean water basin 19 current are fashionable is sterilized.This step can require to accept or reject according to effluent reuse.Sterilization pool 20 can enter water drain or environment waters by water port 32, also can be provided by solar panel 35 by water pump 33 extracting reuse power, also manually can extract reuse.
This plant running, by switchboard 21 menu control, has total button and substep button, can, according to operation of designing program, substep button also can be regulated as required voluntarily to run.Wherein, described Aerobic Pond 18 effluent recycling anoxic pond 17, Aerobic Pond 18 water outlet enter filter vat 2 10 all by substep push-button control on switchboard 21, also by total push-button control.Switchboard 21 electricity consumption is provided by solar panel 35.
This device filter vat 328 sidewall sets out the mouth of a river, and this water outlet is lower than device water-in, and higher than anaerobic pond 14, anoxic pond 17, clean water basin 19 and sterilization pool 20 water outlet, during non-transformer, sewage filters outer row voluntarily.
The present invention is not limited to above-mentioned embodiment, and anyone should learn the structural changes made under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
The technology that the present invention does not describe in detail, shape, structure part are known technology.