CN207108670U - A kind of sewage disposal and recovery system - Google Patents

Abstract

The utility model discloses a kind of sewage disposal and recovery system, belong to urban sewage treatment system field, including water inlet, regulating reservoir, the water inlet is communicated to regulating reservoir, the water side of the regulating reservoir is connected with mechanical agitator tank by compression pump, the water side of mechanical agitator tank has been sequentially connected with tube bank agglomeration separation reactor, air-dissolving air-float pond and coagulation floatation, the coagulation floatation is connected with coagulative precipitation tank, bodied ferric sulfate is added with coagulation floatation, the water side of the coagulative precipitation tank has been sequentially connected with lautertuns, PH neutralization ponds, sterilization pool and standing pond, the mud outlet end of coagulative precipitation tank is connected with sludge compression pond, the filtrate end in the sludge compression pond connects the regulating reservoir, the mud outlet end in sludge compression pond is connected with sewage sludge storage pond.Processing step of the present utility model is simple, and sewage treating efficiency is high, can remove the harmful substance composition in sewage, reduces the cost of sewage disposal, reduces the floor space of processing structures and equipment.

Description

A kind of sewage disposal and recovery system

Technical field

Urban sewage treatment system field is the utility model is related to, more particularly to a kind of sewage disposal and recovery system.

Background technology

Urban sewage treatment system is a set of collection solid and liquid wastes, avoids it from contacting urban population and drink water system The underground piping system of system.The purifying problem that China solves municipal sewage starts from twentieth century seventies, at municipal sewage Slightly trimming or the embankment such as the construction and development of facility, the swag depression in some urban utilization suburbs, abandoned channel, marshland is managed to build Dam, stabilization pond is built up, purified treatment is carried out to municipal sewage, sanitary sewage, the industrial wastewater in city etc. is effectively handled, avoids dirt Water and contaminants associated flow directly into water pollution water source, especially drinking water source.

The A of Chinese patent literature CN 102491598 disclose a kind of sewage disposal system, the sewage disposal system include with The filter being sequentially communicated of PLC systems connection, preliminary sedimentation tank, faster slower mix pond, regulating reservoir, cooling tower, accident pool, anaerobism Collecting-tank, system for anaerobic treatment, one section of A/O ponds, intermediate sedimentation pond, two sections of A/O ponds and second pond；And anaerobic sludge pond and Sludge recovery system；The system for anaerobic treatment include be sequentially communicated pre-acidified pond, circulatory pool, EGSB reactors, it is described The water distribution system of EGSB reactors is arranged at the bottom of the EGSB reactors, and the pre-acidified pond uses pulse water distribution system Water distribution；Circulation loop is provided between the EGSB reactors and the circulatory pool, the part anaerobism of the EGSB reactors goes out Water is back in the circulatory pool；The EGSB reactors are connected with marsh gas treating system；The anaerobic sludge pond with it is described EGSB reactors connect；The partial sludge in the intermediate sedimentation pond is back to the EGSB reactors and the A/O ponds one Section, the partial sludge of two precipitation are back to two sections of the A/O ponds；One section of the A/O ponds are equipped with two sections of A/O ponds Air blower, the air blower is respectively to one section of A/O ponds and the progress blast aeration of two sections of A/O ponds；The sludge recovery system with The preliminary sedimentation tank, intermediate sedimentation pond and second pond connection.The operating efficiency of the system is high, effect is good, and sewage disposal system passes through A/O ponds handle BOD and COD, can be raised on the contrary inside biochemistry pool for SS, and therefore, SS is typically in a precipitation and two precipitations It is final to remove.However, the composition of the sewage disposal system is complicated, processing equipment and structures need to take and largely use face Product, processing cost is expensive, not only contains substantial amounts of COD, BOD5 and SS in sewage, also contains CODCr, is sunk by A/O ponds, one The step of forming sediment with the processing of two precipitation purifications is cumbersome, it is impossible to effectively removes CODCr.

Sewage disposal system to improve the ecological environment, lifted city taste and promote economic development it is significant, because This, researches and develops a kind of sewage disposal and recovery system, and sewage treatment step is cumbersome for making up, existing defect with high costs, tool There is important application value.

Utility model content

The utility model, should in view of the above-mentioned problems of the prior art, provide a kind of sewage disposal and recovery system The processing step of system is simple, and sewage treating efficiency is high, can remove the harmful substance composition in sewage, reduce sewage disposal into This, reduces the floor space of processing structures and equipment.

In order to realize above-mentioned purpose, the utility model uses following technical measures：

A kind of sewage disposal and recovery system, including water inlet, regulating reservoir, the water inlet is communicated to regulating reservoir, described The water side of regulating reservoir is connected with mechanical agitator tank by compression pump, and the water side of mechanical agitator tank has been sequentially connected with tube bank cohesion Separate reactor, air-dissolving air-float pond and coagulation floatation, the coagulation floatation are connected with coagulative precipitation tank, in coagulation floatation Added with bodied ferric sulfate, the water side of the coagulative precipitation tank has been sequentially connected with lautertuns, PH neutralization ponds, sterilization pool and standing Pond, the mud outlet end of coagulative precipitation tank are connected with sludge compression pond, and the filtrate end in the sludge compression pond connects the regulating reservoir, dirty The mud outlet end in mud compression pond is connected with sewage sludge storage pond.

Preferably, connected between the mechanical agitator tank and tube bank agglomeration separation reactor by compression pump, the pipe The oil outlet end of beam agglomeration separation reactor is connected with oil storage tank, and the other end of oil storage tank connects the air-dissolving air-float pond, the pipe The mud outlet end of beam agglomeration separation reactor connects the sludge compression pond.

Preferably, polyacrylamide and aluminium polychloride are also added with the coagulation floatation.

Preferably, being provided with active carbon layer in the sterilization pool, the top of the active carbon layer is provided with ultraviolet disinfection lamp Pipe.

Preferably, being provided with filtering baffle in the lautertuns, filter layer of cloth, the filter cloth are equipped with the filtering baffle Interval is filled with activated carbon granulosa and fine sand layer on layer.

Preferably, PH meters and air stirrer are provided with the PH neutralization ponds, the upper end connection of PH neutralization ponds Have medicine feeding apparatus, the medicine feeding apparatus includes feed screw, be provided with the charging aperture of the feed screw into Hopper, the feed hopper are provided with magnetic valve and weighing sensor built with PH neutralization reagents at the charging aperture of feed hopper.

Preferably, being provided with box compressor in the sludge compression pond, the water side in sludge compression pond passes through compression pump Connect the water inlet end of the regulating reservoir.

Preferably, the water side connection grid for standing pond, the sewage sludge storage pond stores sludge, and passes through Carrier shifts sludge.

The beneficial effects of the utility model are：

1st, water inlet and regulating reservoir of the present utility model, mechanical agitator tank, tube bank agglomeration separation reactor, air-dissolving air-float Pond, coagulation floatation, coagulative precipitation tank, lautertuns, PH neutralization ponds, sterilization pool and standing pond are sequentially communicated, and form sewage purification Recovery system, bodied ferric sulfate is added with coagulation floatation, force of flocculation is strong, and alumen ustum increase, settling velocity is fast, can effectively remove COD, BOD5, SS and CODCr in sewage；

2nd, coagulative precipitation tank and sludge compression pond, sewage sludge storage pond and regulating reservoir are formed at Treatment of Sludge and devil liquor recovery Reason system, for sludge twice by precipitation, the sludge rate of recovery is high, adds accessory substance income.Meanwhile controlled using PLC systems dirty The operation process of water treatment system, operating efficiency is high, effect is good.

3rd, the utility model simplifies the step of traditional wastewater processing, and sewage treating efficiency is high, and reduces sewage disposal During needed for structures and equipment floor space, reduce the cost of sewage disposal.

Brief description of the drawings

Fig. 1 is structure chart of the present utility model；

Fig. 2 is the structure chart of the utility model lautertuns；

Fig. 3 is the structure chart of the utility model PH neutralization ponds；

Fig. 4 is the structure chart of the utility model sterilization pool.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

The present embodiment is as shown in figure 1, a kind of sewage disposal and recovery system, including water inlet, regulating reservoir 1, the water inlet Mouth is communicated to regulating reservoir 1, and the water side of the regulating reservoir 1 is connected with mechanical agitator tank 2, mechanical agitator tank 2 by compression pump 13 Water side be sequentially connected with tube bank agglomeration separation reactor 3, air-dissolving air-float pond 4 and coagulation floatation 5, the coagulation floatation 5 are connected with coagulative precipitation tank 6, are added with bodied ferric sulfate in coagulation floatation 5, the water side of the coagulative precipitation tank 6 is sequentially It is connected with lautertuns 7, PH neutralization ponds 8, sterilization pool 10 and stands pond 11, the water side connection grid for standing pond 11, Form complete sewage water cleaning recovery system；The mud outlet end of the coagulative precipitation tank 6 is connected with sludge compression pond 14, the sludge The filtrate end for compressing pond 14 connects the regulating reservoir 1, and the mud outlet end in sludge compression pond 14 is connected with sewage sludge storage pond 15, the dirt Mud storage pool 15 is used to store sludge, and realizes sludge transfer by carrier 16 and recycle, so as to form Treatment of Sludge And devil liquor recovery processing system.

Polyacrylamide and aluminium polychloride, the polyacrylamide, polymerization chlorine are also added with the coagulation floatation 5 Change aluminium with bodied ferric sulfate with 1:1:5 mixing, instead of traditional low molecule molysite and the coagulant of aluminium salt, relatively conventional coagulant Dosage is big, coagulation efficiency is low, has aluminium ion etc. to remain and the characteristics of easily cause secondary pollution, in the present embodiment, polymerised sulphur For the dosage of sour iron in 150ppm or so, its dosage is small, and can effectively remove COD, BOD5, SS and CODCr and heavy metal in water removal Ion etc., to high turbidity raw sewage clean-up effect it is further preferred that.

As the present embodiment closer to further scheme, lead between the mechanical agitator tank 2 and tube bank agglomeration separation reactor 3 Excess pressure pump 13 connects, and the oil outlet end of the tube bank agglomeration separation reactor 3 is connected with oil storage tank 12, tube bank agglomeration separation reaction The mud outlet end of device 3 connects the sludge compression pond 14, and the material of the various states in sewage is sufficiently mixed by mechanical agitator tank 2 Afterwards, separated by mechanical agitator tank 2, the water after separation flows to air-dissolving air-float pond 4 from water side, and oil components flow to oil storage tank 12, solid constituent flows to sludge by mud outlet end and compresses pond 14, and the other end of the oil storage tank 12 connects the air-dissolving air-float pond 4, facilitate the oil components being blended in air-dissolving air-float pond 4 in aqueous medium to be recovered in oil storage tank 12, moisture after raising processing Purity.

As shown in Fig. 2 being provided with filtering baffle 74 in the lautertuns 7, filter layer of cloth 73 is equipped with the filtering baffle 74, Interval is filled with activated carbon granulosa 71 and fine sand layer 72 on the filter layer of cloth 73, and the side of lautertuns 7 of the lower section of filtering baffle 74 is set There is water side, the activated carbon particle size of the activated carbon layer 71 is more than the fine sand particle diameter of the fine sand layer 72, and interval setting can add The speed of fast current, adsorbs the pigment and penetrating odor remained in water.

As shown in figure 3, it is provided with PH meters and air stirrer 81, the upper end of PH neutralization ponds 8 in the PH neutralization ponds 8 Medicine feeding apparatus 9 is connected with, the medicine feeding apparatus 9 includes feed screw 91, the charging of the feed screw 91 Feed hopper 92 is provided with mouthful, the feed hopper 92 is built with PH neutralization reagents, and in the present embodiment, the PH neutralization reagents are WH-504 nertralizers, magnetic valve and weighing sensor are provided with the charging aperture of the feed hopper 92, can quantify and launch in PH and try Agent.

According to Fig. 4, active carbon layer 101 is provided with the sterilization pool 10, the top of the active carbon layer 101 is provided with purple Outside line disinfecting tube 102, the ultraviolet disinfecting lamp tube 102 may act on the DNA of microorganism, destroy DNA structure, are allowed to lose So as to reach the purpose of sterilizing, the active carbon layer 101 further adsorbs in water quality the function of breeding and self-replacation Impurity and smell, the pernicious gases such as foul smell, sulfur dioxide are not introduced.Ensure the security performance of water quality.

Box compressor is provided with the sludge compression pond 14, further compresses the moisture in sludge, the sludge compression The water side in pond 14 connects the water inlet end of the regulating reservoir 1 by compression pump 13, and the filtrate squeezed out is recovered in regulating reservoir 1 Again purification uses.

Operation principle：Sewage enters from water inlet, and mechanical agitator tank 2, tube bank are sequentially entered after regulating reservoir 1 is measured Agglomeration separation reactor 3, air-dissolving air-float pond 4, coagulation floatation 5, coagulative precipitation tank 6, lautertuns 7, PH neutralization ponds 8, sterilization pool 10 and stand pond 11, complete homogeneous, separation, removal of impurities, flocks, precipitation separation, filtering, neutralize, sterilization, after standing into using water pipe Net, the purification and recovery of sewage are completed, the deposit for restraining agglomeration separation reactor 3 and coagulation floatation 5 is recovered to sludge Compress in pond 14, the further separation of solid and liquid after the extruding of box compressor, filtrate is recovered in regulating reservoir 1 purification profit again With sewage sludge storage shifts sludge into sewage sludge storage pond 15, by carrier 16, realizes the recycling of sludge.

The utility model design science is reasonable, and processing step is simple, and whole system is by sewage water cleaning recovery system and sludge Processing and devil liquor recovery processing system composition, sewage treating efficiency is high, can remove the harmful substance composition in sewage, reduces sewage The cost of processing, reduce the floor space of processing structures and equipment.

Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (8)

1. a kind of sewage disposal and recovery system, including water inlet, regulating reservoir（1）, the water inlet is communicated to regulating reservoir（1）, Characterized in that, the regulating reservoir（1）Water side pass through compression pump（13）It is connected with mechanical agitator tank（2）, mechanical agitator tank （2）Water side be sequentially connected with tube bank agglomeration separation reactor（3）, air-dissolving air-float pond（4）And coagulation floatation（5）, it is described Coagulation floatation（5）It is connected with coagulative precipitation tank（6）, coagulation floatation（5）It is interior to be added with bodied ferric sulfate, the coagulating sedimentation Pond（6）Water side be sequentially connected with lautertuns（7）, PH neutralization ponds（8）, sterilization pool（10）With standing pond（11）, coagulating sedimentation Pond（6）Mud outlet end be connected with sludge compression pond（14）, the sludge compression pond（14）Filtrate end connect the regulating reservoir （1）, sludge compression pond（14）Mud outlet end be connected with sewage sludge storage pond（15）.

2. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the mechanical agitator tank（2） With tube bank agglomeration separation reactor（3）Between pass through compression pump（13）Connection, the tube bank agglomeration separation reactor（3）It is fuel-displaced End is connected with oil storage tank（12）, oil storage tank（12）The other end connect the air-dissolving air-float pond（4）, it is described tube bank agglomeration separation it is anti- Answer device（3）Mud outlet end connect sludge compression pond（14）.

3. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the coagulation floatation（5） Inside also it is added with polyacrylamide and aluminium polychloride.

4. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the sterilization pool（10）Inside set Active layer of charcoal（101）, the active carbon layer（101）Top be provided with ultraviolet disinfecting lamp tube（102）.

5. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that be provided with the lautertuns 7 Filtering baffle（74）, the filtering baffle（74）On be equipped with filter layer of cloth（73）, the filter layer of cloth（73）Upper interval is filled with work Property carbon granules layer（71）And fine sand layer（72）.

6. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the PH neutralization ponds（8）It is interior Provided with PH meters and air stirrer（81）, PH neutralization ponds（8）Upper end be connected with medicine feeding apparatus（9）, the medicine Agent feeding device（9）Including feed screw（91）, the feed screw（91）Charging aperture at be provided with feed hopper（92）, institute State feed hopper（92）Built with PH neutralization reagents, feed hopper（92）Charging aperture at be provided with magnetic valve and weighing sensor.

7. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the sludge compresses pond（14） It is interior to be provided with box compressor, sludge compression pond（14）Water side pass through compression pump（13）Connect the regulating reservoir（1）Water inlet End.

8. a kind of sewage disposal according to claim 1 and recovery system, it is characterised in that the standing pond（11）Go out Water end (W.E.) connection grid, the sewage sludge storage pond（15）Sludge is stored, and passes through carrier（16）Sludge is shifted.