CN205803242U - One way of life Waste Water Treatment - Google Patents

Abstract

This utility model provides one way of life Waste Water Treatment, including soil pipe, grille well, sewage regulating reservoir, BAF, mixing reactor, flotation tank, intermediate pool, valveless filtering pool and clear water reserviors, described soil pipe accesses in grille well, grille well is provided with grilling trash remover, described grille well is connected with sewage regulating reservoir, described sewage regulating reservoir is connected to BAF by arranging sewage pump, described BAF connects mixing reactor, described mixing reactor is provided with flocculant chemicals dosing plant and flocculation aid chemicals dosing plant, described mixing reactor is connected to flotation tank, described flotation tank connects intermediate pool, described intermediate pool arranges middle water pump and is connected to valveless filtering pool, described valveless filtering pool arranges chlorine dioxide generator, described valveless filtering pool is connected to clear water reserviors.This utility model aims to solve the problem that existing sanitary wastewater processing system exists that treatment effeciency is the highest, the problem of phosphorus nitrogen residual.

Description

One way of life Waste Water Treatment

Technical field

This utility model relates to one way of life Waste Water Treatment.

Background technology

Conventional sanitary wastewater processes technique and typically uses activated sludge process to process, and it exists certain shortcoming: 1, as Really Aeration tank head end organic loading is high, then oxygen consumption rate is higher, in order to avoid forming anaerobic state due to anoxia, water inlet Organic concentration is unsuitable too high, then the volume of Aeration tank soil big, that take is the most, and capital cost is higher；2, oxygen consumption rate It is change along pond length, and oxygen supply speed is difficult to match with it, before pond, be likely to occur oxygen consumption rate be higher than oxygen supply speed, The phenomenon that dissolved oxygen is superfluous the most likely occurs behind pond, thus affects treatment effect；3, to influent quality, the adaptation of water yield change Property relatively low, operation result be easily subject to water quality, the water yield change impact, Nitrogen/Phosphorus Removal is not ideal.4, sewage sludge amount is produced Greatly, mud is smelt as of rotten fish unpleasant the most disposable.Sanitary wastewater is after activated sludge biochemical processes, and follow-up sedimentation tank, sterilization pool are built If same volume is big, land occupation is many, and capital cost is high.

" integrated wastewater discharge standard " that China is carrying out, proposes higher requirement to dephosphorization denitrogenation.And it is conventional dirty Activated sludge process in water treatment technology is difficult to reach this target.Meanwhile, along with quickening and the urban area of urban development paces Expansion, sewage treatment facility from city increasingly close to, have even build city in, and therefore, the land use of sewage disposal is subject to To strict restriction.Traditional sewage disposal inevitably produces abnormal flavour and noise.Due to above many objective demands, must New sewage disposal technology must be explored.

Utility model content

Having for existing sanitary wastewater processing system that treatment effeciency is the highest, the problem of phosphorus nitrogen residual, this utility model leads to Cross and design a kind of novel sanitary wastewater processing system, reach Economization on land and improve the mesh of sanitary wastewater dephosphorization removing nitric efficiency 's.

The technical scheme that the above-mentioned technical problem of this utility model solution is used is as follows:

One way of life Waste Water Treatment is provided, including soil pipe, grille well, sewage regulating reservoir, BAF, mixes Closing reactor, flotation tank, intermediate pool, valveless filtering pool and clear water reserviors, described soil pipe accesses in grille well, arranges in grille well Having grilling trash remover, described grille well to be connected with sewage regulating reservoir, described sewage regulating reservoir connects by arranging sewage pump To BAF, described BAF connects mixing reactor, and described mixing reactor is provided with flocculant dosing Device and flocculation aid chemicals dosing plant, described mixing reactor is connected to flotation tank, and described flotation tank connects intermediate pool, described in Between pond middle water pump be set be connected to valveless filtering pool, described valveless filtering pool arranges chlorine dioxide generator, described valveless filtering pool It is connected to clear water reserviors.

Further, also including sludge-tank, described sewage regulating reservoir is connected with sludge-tank pipeline.

Further, described BAF connects Aeration fan, backwash blower fan, backwash water pump.

Further, described flocculant chemicals dosing plant includes flocculant batch meter and flocculant dosing pump；Described flocculation aid Chemicals dosing plant includes flocculation aid batch meter and flocculation aid dosing pump.

Further, described flotation tank connects air compressor machine, dissolved air water pump and pressure air-dissolving tank.

Further, described chlorine dioxide generator connects hydrochloric acid batch meter, acid-fume absorber, sodium chlorate agitator tank.

This utility model, by using BAF to process sanitary wastewater, is grown nonparasitically upon another plant on filler in BAF Microbiological oxidation decomposition in thing film, filler and biomembranous absorption detention effect and the food chain formed along water (flow) direction divide Inside level predation and biomembrane, microenvironment and the Denitrification of anaerobism section, can effectively remove Organic substance in water and remove Phosphorus nitric efficiency is high, and will not produce stench mud；Sent out by mixing reactor, flotation tank, valveless filtering pool, chlorine dioxide again Sanitary wastewater is precipitated, filters, disinfects by raw device, the little granule alumen ustum that hybrid reaction generates in mixing reactor, Entering flotation tank, in flotation tank, the dissolved air water that air-dissolving apparatus produces and the little granule alumen ustum Contact-sorption in water inlet, by alumen ustum On band, the water surface forms scum layer, removes by scraping slag, after process through valveless filtering pool and chlorine dioxide generator, sanitary wastewater goes out Water index all can reach discharging standards.This utility model floor space is little, and capital cost is low and simple to operate.

Accompanying drawing explanation

Fig. 1 is the structural representation of one way of life Waste Water Treatment in this utility model；

Fig. 2 is the pipeline connection diagram of flocculant chemicals dosing plant and flocculation aid chemicals dosing plant in this utility model.

Detailed description of the invention

In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below In conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that described herein being embodied as Example, only in order to explain this utility model, is not used to limit this utility model.

See shown in accompanying drawing 1, the utility model discloses one way of life Waste Water Treatment, including soil pipe 1, grille well 2, sewage regulating reservoir 6, BAF 7, mixing reactor 8, flotation tank 9, intermediate pool 10, valveless filtering pool 19 and clear water reserviors 20, described soil pipe 1 accesses in grille well 2, is provided with grilling trash remover 3 in grille well 2, and described grille well 2 regulates with sewage Pond 6 connects, and described sewage regulating reservoir 6 is connected to BAF 7 by arranging sewage pump 4, and described aeration and biological is filtered Pond 7 connects mixing reactor 8, and described mixing reactor 8 is provided with flocculant chemicals dosing plant and flocculation aid chemicals dosing plant, described mixed Closing reactor 8 and be connected to flotation tank 9, described flotation tank 9 connects intermediate pool 10, and described intermediate pool 10 arranges middle water pump 11 Being connected to valveless filtering pool 19, described valveless filtering pool 19 arranges chlorine dioxide generator 14, and described valveless filtering pool 19 is connected to clear water Pond 20.

Sanitary sewage enters grille well 2 through soil pipe 1, after removing floating thing by grilling trash remover 3, enters sewage and adjusts Joint pond 6, sends into BAF 9 by 4 sanitary sewages of sewage pump, carries out Organic substance in BAF 9 Degraded, remove ammonia nitrogen and partial suspended thing simultaneously, BAF 9 water outlet gravity flow enters mixing reactor 8, adds simultaneously Flocculant and flocculation aid, be sufficiently mixed reaction in mixing reactor 8 and generate little granule alumen ustum, enter flotation tank contact chamber 9, In flotation tank contact chamber 9, the dissolved air water that air-dissolving apparatus produces and the little granule alumen ustum Contact-sorption in water inlet, by water on alumen ustum band Face forms scum layer, removes by scraping slag, and clear water is then from flowing to intermediate pool 10.The water of intermediate pool 10 is sent by middle water pump 11 Entering valveless filtering pool 19 and carry out filtration treatment, after filter, clear water adds chlorine dioxide and carries out disinfection, and enters clear water reserviors 20, then passes through clear water 23 clear water of pump are transported to each and use water spot.

Also including sludge-tank 5, described sewage regulating reservoir 6 is connected with sludge-tank 5 pipeline, the muddy water in sewage regulating reservoir 6 It is transported in sludge-tank 5, then by two sludge pump outputs.

Described BAF 7 connects Aeration fan 22, backwash blower fan 21, backwash water pump 18, pretreated dirt Water enters from top, and startup Aeration fan 22 is to carrying out aeration bottom filter tank, and air water is in adverse current.In the reactor, Organic substance Being decomposed by microbiological oxidation, NH3 N is oxidized to NO3 N, additionally, due to there is anaerobism/oxygen environment of holding concurrently in biomembranous inside, Part denitrification is realized while nitrification.Along with the carrying out filtered, the Biomass newly generated due to filling surface gets more and more, The SS retained is continuously increased, and increases slowly in the incipient stage loss of flood peak, when solid matter accumulation reaches to a certain degree, and blocking filter The upper surface of layer, and stop the release of bubble, it will cause the loss of flood peak to quickly reach the limit, now should immediately enter recoil Wash regeneration, to remove biomembrane and the SS of excess in filter bed, recover disposal ability.First backwash process carries out air purge, aeration Biofilter 7 stops water inlet, and outlet portal is closed, and drives backwash drain valve, backwash intake valve, starts backwash blower fan 21, air purge 5min After stop backwash blower fan 21, close backwash intake valve, air purge terminate enter water backwash stage, start backwash water pump 18, open backwash water inlet Valve 18, after backwash draining is limpid, backwash process terminates to enter normal filtration program.

As in figure 2 it is shown, described flocculant chemicals dosing plant includes flocculant batch meter 27 and flocculant dosing pump 24；Described help Solidifying agent chemicals dosing plant includes flocculation aid batch meter 25 and flocculation aid dosing pump 26.

BAF 7 water outlet enter mixing reactor 8, start flocculant dosing pump 24, flocculation aid dosing pump 26 to Mixing reactor 8 dosing, starts mixing reactor 8 agitator and runs.

Described flotation tank 9 connects air compressor machine 28, dissolved air water pump 12 and pressure air-dissolving tank 17.

Mixing reactor 8 water outlet enters flotation tank 9, and startup air compressor machine 28, dissolved air water pump 12 carry molten gas to flotation tank 9 Water, drives outlet valve when flotation tank 9 water level rises to outlet and intakes to intermediate pool 10, observes scum layer height in operation, When scum layer height reaches to scrape slag height, scum silica frost is swept water leg and is back to sewage regulating reservoir 6 by startup mud scraper.

Described chlorine dioxide generator 14 connects hydrochloric acid batch meter 15, acid-fume absorber 16, sodium chlorate agitator tank 13.

When intermediate pool 10 water level is in more than middle position, starts middle water pump 11 and intake to valveless filtering pool 19, ran Being not required to manual operation in journey, water outlet enters clear water reserviors 20.When valveless filtering pool 19 loss of flood peak is gradually increased, siphon tedge water level When rising to the auxiliary siphon tube mouth of pipe, valveless filtering pool 19 starts automatic back-washing, when filter tank cistern water level drops to siphon destructive bucket Time, flushing terminates, and filtration restarts.Need to add when valveless filtering pool 19 automatic back-washing is not enough to recover filter tank disposal ability Strong backwash, first carries out air purge, drives valveless filtering pool backwash intake valve, starts backwash blower fan and loosens filter layer, gas Wash 5min, stop backwash blower fan, close backwash intake valve；Air purge terminates to enter water backwash stage, opens booster water pump, opens backwash water inlet Valve, valveless filtering pool starts water backwash, and after backwash draining is limpid, backwash process terminates to enter normal filtration program.

When water pump 11 is intake to valveless filtering pool 19 in the middle of starting, start chlorine dioxide generator 14 and run, the two of production Chlorine monoxid joins on middle water pump 11 outlet, thus introduces in valveless filtering pool 19.

Clear water reserviors 20 set high and low liquid level warning, automatically start clarified water pump 23 clear water is delivered to each water spot during high level, Automatically clarified water pump 23 is stopped during low liquid level.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model Protection domain within.

Claims (6)

1. one way of life Waste Water Treatment, it is characterised in that include that soil pipe, grille well, sewage regulating reservoir, aeration and biological are filtered Pond, mixing reactor, flotation tank, intermediate pool, valveless filtering pool and clear water reserviors, described soil pipe accesses in grille well, grille well In be provided with grilling trash remover, described grille well is connected with sewage regulating reservoir, and described sewage regulating reservoir is by arranging sewage lifting Pump is connected to BAF, and described BAF connects mixing reactor, and described mixing reactor is provided with flocculation Agent chemicals dosing plant and flocculation aid chemicals dosing plant, described mixing reactor is connected to flotation tank, and described flotation tank connects intermediate pool, Described intermediate pool arranges middle water pump and is connected to valveless filtering pool, and described valveless filtering pool arranges chlorine dioxide generator, described nothing Valve filter tank is connected to clear water reserviors.

One way of life Waste Water Treatment the most according to claim 1, it is characterised in that also include sludge-tank, described Sewage regulating reservoir is connected with sludge-tank pipeline.

One way of life Waste Water Treatment the most according to claim 1, it is characterised in that described BAF connects There are Aeration fan, backwash blower fan, backwash water pump.

One way of life Waste Water Treatment the most according to claim 1, it is characterised in that described flocculant chemicals dosing plant bag Include flocculant batch meter and flocculant dosing pump；Described flocculation aid chemicals dosing plant includes that flocculation aid batch meter measures with flocculation aid Pump.

One way of life Waste Water Treatment the most according to claim 1, it is characterised in that described flotation tank connects pneumatics Machine, dissolved air water pump and pressure air-dissolving tank.

One way of life Waste Water Treatment the most according to claim 1, it is characterised in that described chlorine dioxide generator is even It is connected to hydrochloric acid batch meter, acid-fume absorber, sodium chlorate agitator tank.