CN107986572A - A kind of processing system and processing method of aluminium oxidized waste water - Google Patents

A kind of processing system and processing method of aluminium oxidized waste water Download PDF

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Publication number
CN107986572A
CN107986572A CN201711364062.0A CN201711364062A CN107986572A CN 107986572 A CN107986572 A CN 107986572A CN 201711364062 A CN201711364062 A CN 201711364062A CN 107986572 A CN107986572 A CN 107986572A
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China
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tank
waste water
sludge
pipe
primary sedimentation
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CN201711364062.0A
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Chinese (zh)
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CN107986572B (en
Inventor
吴平
朱磊
陈�胜
陈奕辉
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Zhangjiagang Qingquan Water Processing Co Ltd
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Zhangjiagang Qingquan Water Processing Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses a kind of processing system of aluminium oxidized waste water, successively including storage tank, blend tank, regulating reservoir, pipe-line mixer, primary sedimentation tank, biochemistry pool, secondary settling tank, three heavy pond, sludge-tank, sludge conditioning tank and filter presses；Alumina waterwater entrance, adjusting liquid entrance, liquid outlet and thief hatch, alumina waterwater entrance is provided with blend tank to connect with aluminium oxidized waste water supply conduit；Reservoir inlet is connected with the liquid outlet of blend tank；Regulating reservoir is connected with multiple water inlet pipes；Outlet of regulating reservoir is connected with pipe-line mixer water inlet, and outlet is connected with pipe-line mixer dosing mouth；Primary sedimentation tank entrance is connected with pipe-line mixer water outlet, and primary sedimentation tank, biochemistry pool, secondary settling tank, three heavy ponds are sequentially communicated；Primary sedimentation tank, secondary settling tank, three heavy ponds are respectively arranged with the pipeline communicated with sludge-tank, and sludge-tank, sludge conditioning tank, filter press are sequentially communicated, and filter press is connected with blend tank, primary sedimentation tank respectively, which realizes efficiently using for aluminium oxidized waste water.

Description

A kind of processing system and processing method of aluminium oxidized waste water
Technical field
The present invention relates to field of waste water treatment, more particularly to a kind of processing system and processing method of aluminium oxidized waste water.
Background technology
With the development of aluminium processing industry, aluminium surface processing has become essential important step in aluminium process, And aluminium surface treatment process technology is a complex process, it is related to polytype chemical raw material, it is most important harmful Including aluminium, acid, ammonia nitrogen, COD etc., produce substantial amounts of aluminium ion at present, during alumina, often by aluminium oxidized waste water directly and Other common waste water are the same all to be flowed into regulating reservoir together, and aluminium therein is not handled individually, on the one hand causes alumina It is exceeded to change aluminium content in waste water, pollutes environment, on the other hand, aluminium oxidized waste water, which enters directly into, causes regulating reservoir in regulating reservoir It is middle to produce substantial amounts of sludge, the regulatory function of regulating reservoir is have impact on, it is necessary to frequently handle the sludge in regulating reservoir, and regulating reservoir In Treatment of Sludge difficulty it is big, aluminium oxidized waste water and other waste water when such as arrive next step processing together into increasing intractability.
The content of the invention
First technical problem to be solved by this invention be：A kind of processing system of aluminium oxidized waste water, the processing are provided System realizes the recycling to aluminium oxidized waste water, and solves conventional processing system and cannot fully handle aluminium oxidized waste water and make Into the problem of the wasting of resources.
In order to solve the above technical problems, the technical scheme is that：A kind of processing system of aluminium oxidized waste water, is wrapped successively Include storage tank, blend tank, regulating reservoir, pipe-line mixer, primary sedimentation tank, biochemistry pool, secondary settling tank, three heavy ponds, sludge-tank, sludge conditioning tank And filter press；Alumina waterwater entrance is provided with the blend tank, adjusts liquid entrance, liquid outlet and thief hatch, the alumina Change waterwater entrance to connect with aluminium oxidized waste water supply conduit；The entrance of the storage tank is connected with the liquid outlet of blend tank；The tune Section pond is connected with multiple water inlet pipes, and flow control valve is both provided with each water inlet pipe；The outlet of regulating reservoir and pipe-line mixer Water inlet connection, the outlet of the storage tank is connected with the dosing mouth of pipe-line mixer；The entrance of the primary sedimentation tank is mixed with pipeline The water outlet connection of clutch, the outlet of primary sedimentation tank are connected with the entrance of biochemistry pool, the outlet of biochemistry pool and the entrance of secondary settling tank It is connected, the outlet of the secondary settling tank is communicated with the entrance in three heavy ponds, and the outlet in described three heavy ponds is communicated with the external world；It is described just heavy Pond, secondary settling tank, three heavy ponds are respectively arranged with the first mud line being connected with sludge-tank, the second mud line, the 3rd spoil disposal Pipeline, is provided with first time mud pipeline between the bottom of the secondary settling tank and primary sedimentation tank；The secondary settling tank bottom and biochemistry pool it Between be additionally provided with second time mud pipeline of activity sludge reflux, be provided with the 3rd between the bottom in described three heavy ponds and primary sedimentation tank Return mud pipeline；First mud line, the second mud line, the 3rd mud line, first time mud pipeline, second time mud pipeline, Delivery pump is both provided with three times mud pipelines；The sludge-tank is connected with sludge conditioning tank, sludge conditioning tank and plate type pressure filter Connection, the filtrate that the plate type pressure filter produces are entered by adjusting the adjusting liquid of pipeline and reflux line respectively with blend tank respectively Mouth is connected with primary sedimentation tank entrance, and the bottom of the blend tank is connected with sludge-tank by the 4th mud line.
As a preferred solution, the pipe-line mixer includes cylinder, the cylinder according to liquid flow direction successively Including water inlet dosing portion, baffle plate mixed flow portion, eddy flow pushing part, reducing and expansion footpath mixed flow portion, the water inlet dosing portion includes and baffling The water inlet canister portion of plate mixed flow portion connection, the side of the water inlet canister portion are provided with water inlet, and the one end in reducing and expansion footpath mixed flow portion is provided with Water outlet, the upper end of the water inlet canister portion are provided with chemicals addition control pipe portion, which is provided with dosing chamber, should add The upper end that medicine adjusts pipe portion is provided with dosing mouth, and vertical sliding is provided with flow path adjustment portion, the flow path adjustment in dosing chamber Portion and the bottom of dosing chamber constitute dosing passage, are connected between the dosing mouth and dosing passage by chemical feed pipe, dosing is led to The bottom opening in road connect with water inlet canister portion, and the water inlet canister portion is internally provided with a floating ball, the floating ball by connecting rod and Flow path adjustment portion connects, and the floating ball side is rotatablely installed an impeller, is provided with torsionspring between the impeller and floating ball, institute State the opposite side of floating ball and the impeller is co-axially mounted a drive gear, driven tooth is rotatablely equipped with the chemicals addition control pipe portion Take turns, the dose adjustment portion of the arc for adjusting dosing mouth opening-closing size, the drive are provided with the gear shaft of the driven gear Pass through rack engaged transmission between moving gear and driven gear.
As a preferred solution, vertical slideway is provided with the water inlet canister portion, the both sides of the floating ball are provided with The sliding block being installed on vertical slideway, the floating ball are installed on vertical slideway by sliding block.
As a preferred solution, the flow path adjustment portion is arc.
As a preferred solution, the inner cavity of the eddy flow pushing part has helical blade mounting base, the helical blade It is left-handed to helical blade and a dextrorotation to helical blade that mounting base both ends install one respectively.
As a preferred solution, the dosing mouth of the pipe-line mixer is also associated with the dosing for adding flocculant Branch pipeline.
As a preferred solution, the baffle plate mixed flow portion inner cavity has a corrugated runner, on the corrugated runner Under be staggered installation of baffle plate.
After employing above-mentioned technical proposal, effect of the invention is：A kind of processing system of aluminium oxidized waste water, the processing system System is first allocated aluminium oxidized waste water, is then quantitatively mixed by pipe-line mixer with other waste water, and it is just heavy to enter back into Precipitated in pond, since aluminium oxidized waste water is to be quantitatively adding in pipe-line mixer to mix, will not disposably be produced big The sludge settling of amount, meanwhile, enter directly into primary sedimentation tank and precipitate after being mixed with other waste water, the alternative wadding of aluminium oxidized waste water Solidifying agent, waste water precipitate in primary sedimentation tank, convenient that sludge after precipitation is directly discharged in sludge-tank, and this gradually mix Waste water facilitates follow-up biochemistry pool to handle, and the alumina waste water treatment system is rational in infrastructure, solves the processing of aluminium oxidized waste water Problem, aluminium oxidized waste water is combined with using the waste water treatment system of A/O methods conventional at present, facilitates changing for sewage treatment plant Make.
Again since the processing system employs above-mentioned pipe-line mixer, which leads to according to water level and flow velocity Cross fluctuating for float and adjust runner size, dosing mouth size is adjusted by rack, is realized according to operating mode and adaptively Dosage is adjusted, the mixed effect of liquid medicine is substantially improved through baffle plate mixed flow portion, eddy flow mixed flow portion, reducing and expansion footpath mixed flow portion.
Second technical problem to be solved by this invention be：A kind of processing method of aluminium oxidized waste water, the processing are provided Method is combined aluminium oxidized waste water with A/O method sewage disposal systems, and high treating effect, reduces the change to existing processing system.
In order to solve the above technical problems, the technical scheme is that：A kind of processing method of aluminium oxidized waste water, the processing Method comprises the following steps：
Aluminium oxidized waste water, be sent in blend tank by S1, and is added to using the filtrate after filter press press filtration in blend tank, The pH value for making aluminium oxidized waste water precipitates 8 hours after being 5, and the sludge of precipitation is drained into sludge-tank；
The aluminium oxidized waste water of blend tank, be sent in storage tank and store for future use by S2；
S3, the waste water of each blowdown producer are sent in regulating reservoir by single pipeline, and control of sewage disposal producer is useless The flow of water, makes regulating reservoir COD concentration 380-400mg/l；
When the pH value for the A class waste water that blowdown producer discharges is between 6.5-8.5, which is discharged into regulating reservoir；
When the pH value for the B class waste water that blowdown producer discharges is between 4.5-6.5, the displacement of the B class waste water gives up for A classes The 70% of water；
When the pH value for the C class waste water that blowdown producer discharges is between 8.5-10, the displacement of the C class waste water gives up for A classes The 90% of water；
When the pH value of the C class waste water of blowdown producer discharge is less than 4.5 or pH value is more than 10, which is sent to It is re-fed into after adjusting pH value in PH mixing pits in regulating reservoir；
S4, enter the composite waste in regulating reservoir in pipe-line mixer with the flow of 400T/h, by the aluminium in storage tank Oxidized waste water is entered in pipe-line mixer together with composite waste with the flow of 4T/h and entered in primary sedimentation tank；
Sewage in S5, primary sedimentation tank enters the reaction of AO biochemistry pools, secondary settling tank settles, three heavy ponds sedimentations, the primary sedimentation tank, Secondary settling tank, three heavy ponds pass through first time mud pipeline to sludge-tank spoil disposal, the bottom of pond partially liq of the secondary settling tank together with sludge It is back in primary sedimentation tank, the bottom of pond partially liq of the secondary settling tank is back to biochemistry pool together with sludge by second time mud pipeline Interior, the bottom of pond partially liq in described three heavy ponds is back in primary sedimentation tank together with sludge by the 3rd time mud pipeline, and biochemistry pool mixes Close the control of liquid suspended sediment concentration MLSS values and be less than 0.5mg/L, O in 6000mg/L, the i.e. hydrolysis acidification stage DO values of A sections of biochemistry pool Section is that aerobic stage DO values are 5mg/L, when the activated sludge concentration of biochemistry pool is more than 6500mg/l, unnecessary activated sludge row Enter primary sedimentation tank.
As a preferred solution, the concrete mode that composite waste and the aluminium oxidized waste water is mixed in pipe-line mixer For：Composite waste enters from the water inlet of pipe-line mixer, and the floating ball in pipe-line mixer is floated on composite waste, composite waste Flowed in pipe-line mixer and drive the impeller on floating ball to rotate, drive drive gear to rotate and pass through while impeller rotates Rack vertical lifting, rotates driven gear, and driven gear is rotated just with the dose adjustment portion on movable gear shaft, makes dosing mouth Open amount, when the impulse force that composite waste flowing produces impeller is balanced with torsionspring, the open amount of dosing mouth is constant；Leaf The amount of spin of wheel is associated with the flow velocity of composite waste, the increase of composite waste flow velocity, the impulse force increase that impeller is subject to, dosing mouth Open amount increases；Composite waste flow velocity reduces, and the impulse force that impeller is subject to reduces, and the open amount of dosing mouth reduces.
As a preferred solution, the primary sedimentation tank is additionally provided with PAC flocculant dosing pipes, and ss suspended solid value is more than During 500mg/L, the PAC, flow 1T/h of concentration 10% are added.
After employing above-mentioned technical proposal, effect of the invention is：1st, the processing method of the aluminium oxidized waste water make use of pressure Filtrate after filter press filtration allocates aluminium oxidized waste water, and the concentration and pH value for making the aluminium oxidized waste water after allotment meet subsequently Biochemistry pool biochemical treatment requirement；2nd, the waste water of other blowdown producers discharge is allocated in regulating reservoir, mixing is given up The pH value of water is meta-alkalescence water, is closed when being mixed with aluminium oxidized waste water in pH value；3rd, aluminium oxidized waste water is mixed by pipe-line mixer Enter biochemistry pool afterwards, the effect approximation flocculant of aluminium oxidized waste water, mixes, all sludge is all in primary sedimentation tank into primary sedimentation tank Middle precipitation, has no effect on the allotment of regulating reservoir, while the sludge of primary sedimentation tank should be originally discharged in sludge-tank, therefore, also without Need extra equipment and pipeline；4th, after the processing method is handled in biochemistry pool, the activated sludge produced after processing is in secondary settling tank It is back to again in biochemistry pool, so adds the strain in biochemistry pool, improves the disposal ability of biochemistry pool.
In addition, the processing method make use of special pipe-line mixer, according to water level and flow velocity, by being floated downward on float It is dynamic to adjust runner size, dosing mouth size is adjusted by rack, realizes adjusting dosage according to operating mode and adaptive, through folding Flowing plate mixed flow portion, eddy flow mixed flow portion, reducing and expansion footpath mixed flow portion substantially improve the mixed effect of liquid medicine.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure arrangement schematic diagram of the embodiment of the present invention；
Fig. 2 is the structure diagram of pipe-line mixer of the embodiment of the present invention；
Fig. 3 is the structure diagram in water inlet dosing portion in Fig. 2；
Fig. 4 is partial enlarged view at A in Fig. 2；
Fig. 5 is partial enlarged view at B in Fig. 2；
In attached drawing：1st, blend tank；101. adjust liquid entrance；102. thief hatch；103. liquid outlet；104. aluminium oxidized waste water enters Mouthful；2. storage tank；3. regulating reservoir；4. pipe-line mixer；41. intake dosing portion；411. water inlet canister portions；412. water inlet；413. plus Medicine adjusts pipe portion；414. dosing chambers；415. dosing mouth；416. flow path adjustment portions；417. dosing passages；418. chemical feed pipe； 419. floating ball；420. connecting rod；421. impeller；422. drive gear；423. rack；424. driven gear；425. gear shaft；426. Dose adjustment portion；42. baffle plate mixed flow portion, 43. eddy flow pushing parts；44. reducing and expansion footpath mixed flow portion；5. filter press；6. sludge conditioning Tank；7. sludge-tank；8. primary sedimentation tank；9. biochemistry pool；10. secondary settling tank；11. three heavy ponds；12. the first mud line；13. the second spoil disposal Pipeline；14. the 3rd mud line；15. second time mud pipeline；16. first time mud pipeline；17. the 3rd time mud pipeline；18. the 4th Mud line.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of as shown in Figure 1, processing system of aluminium oxidized waste water, it is characterised in that：Successively include storage tank 2, blend tank 1, The heavy pond 11 of regulating reservoir 3, pipe-line mixer 4, primary sedimentation tank 8, biochemistry pool 9, secondary settling tank 10, three, sludge-tank 7, sludge conditioning tank 6 and pressure Filter 5；
Alumina waterwater entrance 104 is provided with the blend tank 1, adjusts liquid entrance 101, liquid outlet 103 and thief hatch 102, the alumina waterwater entrance 104 is connected with aluminium oxidized waste water supply conduit, and aluminium oxidized waste water is due to being a kind of special useless Water, therefore, discharges the enterprise of this kind of waste water and few, collects and allocate by blend tank 1；
The entrance of the storage tank 2 is connected with the liquid outlet 103 of blend tank 1；
The regulating reservoir 3 is connected with multiple water inlet pipes, and flow control valve is both provided with each water inlet pipe；Each flow tune Section valve can adjust the inflow of each water inlet pipe, realize the allotment of waste water in regulating reservoir 3；
The outlet of regulating reservoir 3 is connected with the water inlet 412 of pipe-line mixer 4, the outlet of the storage tank 2 and pipe-line mixer 4 dosing mouth 415 connects；
The entrance of the primary sedimentation tank 8 is connected with the water outlet of pipe-line mixer 4, the outlet of primary sedimentation tank 8 and entering for biochemistry pool 9 Mouth is connected, and the outlet of biochemistry pool 9 is connected with the entrance of secondary settling tank 10, exporting for the secondary settling tank 10 and entering for three heavy ponds 11 Mouth communicates, and the outlets in described three heavy ponds 11 are communicated with the external world；
The heavy pond 11 of the primary sedimentation tank 8, secondary settling tank 10, three is respectively arranged with the first mud line being connected with sludge-tank 7 12nd, the second mud line 13, the 3rd mud line 14, are provided with first time between the bottom of the secondary settling tank 10 and primary sedimentation tank 8 Mud pipeline 16；It is additionally provided with second time mud pipeline 15 of activity sludge reflux between 10 bottom of secondary settling tank and biochemistry pool 9, The 3rd time mud pipeline 17 is provided between the bottom in described three heavy ponds 11 and primary sedimentation tank 8；First mud line 12, the second sludge pipe Road 13, the mud pipeline 16, second times of the 3rd mud line 14, first times mud pipeline 15, be both provided with the 3rd time mud pipeline 17 it is defeated Send pump；
The sludge-tank 7 is connected with sludge conditioning tank 6, and sludge conditioning tank 6 is connected with plate type pressure filter 5, the board-like pressure The filtrate that filter 5 produces is respectively by adjusting the adjusting liquid entrance 101 and primary sedimentation tank of pipeline and reflux line respectively with blend tank 1 8 entrances connect, and the bottom of the blend tank 1 is connected with sludge-tank 7 by the 4th mud line 18, and alumina is allocated using filtrate While changing waste water, unnecessary filtrate can enter in primary sedimentation tank 8 and be handled.
As shown in Figures 2 to 5, in the present embodiment, the pipe-line mixer 4 includes cylinder, and the cylinder is according to liquid Flow direction includes water inlet dosing portion 41, baffle plate mixed flow portion 42, eddy flow pushing part 43, reducing and expansion footpath mixed flow portion 44, the water inlet successively Dosing portion 41 includes the water inlet canister portion 411 connected with baffle plate mixed flow portion 42, and the side of the water inlet canister portion 411 is provided with water inlet 412, the one end in reducing and expansion footpath mixed flow portion 44 is provided with water outlet, and the upper end of the water inlet canister portion 411 is provided with chemicals addition control pipe portion 413, which is provided with dosing chamber 414, and the upper end of the chemicals addition control pipe portion 413 is provided with dosing mouth 415, vertical sliding is provided with flow path adjustment portion 416 in dosing chamber 414, the flow path adjustment portion 416 and dosing chamber 414 Bottom constitutes dosing passage 417, is connected between the dosing mouth 415 and dosing passage 417 by chemical feed pipe 418, dosing passage 417 bottom opening is connected with water inlet canister portion 411, and the water inlet canister portion 411 is internally provided with a floating ball 419, the floating ball 419 are connected by connecting rod 420 with flow path adjustment portion 416, and 419 side of floating ball is rotatablely installed an impeller 421, the impeller Torsionspring is provided between 421 and floating ball 419, the opposite side of the floating ball 419 is co-axially mounted a sliding tooth with the impeller 421 422 are taken turns, driven gear 424 is rotatablely equipped with the chemicals addition control pipe portion 413, is set on the gear shaft 425 of the driven gear 424 It is equipped with the dose adjustment portion 426 of the arc for adjusting 415 opening-closing size of dosing mouth, the drive gear 422 and driven gear Pass through the engaged transmission of rack 423 between 424.
In the present embodiment, vertical slideway is provided with the water inlet canister portion 411, the both sides of the floating ball 419 are provided with peace Loaded on the sliding block on vertical slideway, the floating ball 419 is installed on vertical slideway by sliding block, and the flow path adjustment portion 416 is Arc, the inner cavity of the eddy flow pushing part 43 have helical blade mounting base, which installs one respectively It is left-handed not only to improve mixing efficiency using the blade of two kinds of sea whelks to helical blade and a dextrorotation to helical blade, and Presumable sludge settling in pipe-line mixer 4 can also be stired and make muddy outflow, the dosing mouth 415 of the pipe-line mixer 4 also connects The dosing branch pipeline for adding flocculant is connected to, 42 inner cavity of baffle plate mixed flow portion has corrugated runner, the corrugated Runner is staggered installation of baffle plate up and down.
Embodiment 2
According to a kind of processing system of above-mentioned aluminium oxidized waste water, the processing method of the aluminium oxidized waste water of use, it includes Following steps：
Aluminium oxidized waste water, be sent in blend tank 1 by S1, and is added to blend tank 1 using the filtrate after 5 press filtration of filter press In, the pH value that makes aluminium oxidized waste water precipitates 8 hours after being 5, and the sludge of precipitation is drained into sludge-tank 7；
The aluminium oxidized waste water of blend tank 1, be sent in storage tank 2 and store for future use by S2；
S3, the waste water of each blowdown producer are sent in regulating reservoir 3 by single pipeline, and control of sewage disposal producer is useless The flow of water, makes regulating reservoir 3COD concentration 380-400mg/l；
When the pH value for the A class waste water that blowdown producer discharges is between 6.5-8.5, which is discharged into regulating reservoir 3 In；
When the pH value for the B class waste water that blowdown producer discharges is between 4.5-6.5, the displacement of the B class waste water gives up for A classes The 70% of water；
When the pH value for the C class waste water that blowdown producer discharges is between 8.5-10, the displacement of the C class waste water gives up for A classes The 90% of water；
When the pH value of the C class waste water of blowdown producer discharge is less than 4.5 or pH value is more than 10, which is sent to It is re-fed into after adjusting pH value in PH mixing pits in regulating reservoir 3, which does not describe in Fig. 1, useless after allotment Water ph value is in above-mentioned a certain shelves, is just discharged into according to the discharge rate of this grade in regulating reservoir 3.
S4, enter the composite waste in regulating reservoir 3 in pipe-line mixer 4 with the flow of 400T/h, by storage tank 2 Aluminium oxidized waste water is entered in pipe-line mixer 4 together with composite waste with the flow of 4T/h and entered in primary sedimentation tank 8；
Sewage in S5, primary sedimentation tank 8 enters that AO biochemistry pools 9 react, secondary settling tank 10 settles, three heavy ponds 11 settle, described The heavy pond 11 of primary sedimentation tank 8, secondary settling tank 10, three leads to 7 spoil disposal of sludge-tank, the bottom of pond partially liq of the secondary settling tank 10 together with sludge Cross first time mud pipeline 16 to be back in primary sedimentation tank 8, the bottom of pond partially liq of the secondary settling tank 10 passes through second time together with sludge Mud pipeline 15 is back in biochemistry pool 9, and the bottom of pond partially liq in described three heavy ponds 11 passes through the 3rd time mud pipeline 17 together with sludge It is back in primary sedimentation tank 8, the mixed genetic-neural network MLSS values of biochemistry pool 9, which are controlled in 6000mg/L, 9A sections of biochemistry pool, is Hydrolysis acidification stage DO values are less than 0.5mg/L, and O sections of i.e. aerobic stage DO values are 5mg/L, when the activated sludge concentration of biochemistry pool 9 During more than 6500mg/l, unnecessary activated sludge is discharged into primary sedimentation tank 8, into excessively above-mentioned sludge reflux, it can be ensured that in biochemistry pool 9 Strain handle aluminium oxidized waste water enough.
Composite waste and the aluminium oxidized waste water is in the concrete mode that pipe-line mixer 4 mixes：Composite waste is from pipeline The water inlet 412 of mixer 4 enters, and the floating ball 419 in pipe-line mixer 4 is floated on composite waste, and composite waste is mixed in pipeline Flowed in clutch 4 and drive the impeller 421 on floating ball 419 to rotate, drive drive gear 422 to rotate while impeller 421 rotates And by 423 vertical lifting of rack, rotate driven gear 424, driven gear 424 is rotated just with the medicine on movable gear shaft 425 Adjustment portion 426 is measured, makes the open amount of dosing mouth 415, when the impulse force that composite waste flowing produces impeller 421 is put down with torsionspring The open amount of dosing mouth 415 is constant during weighing apparatus；The amount of spin of impeller 421 is associated with the flow velocity of composite waste, composite waste stream Speed increase, the impulse force increase that impeller 421 is subject to, impeller 421, which will rotate, increases the open amount of dosing mouth 415, and impeller 421 revolves Turn that the elastic force of torsionspring will be driven to increase, open amount is constant after final balance；Same principle, composite waste flow velocity subtract Small, the impulse force that impeller 421 is subject to reduces, and the open amount of dosing mouth 415 reduces.
The primary sedimentation tank 8 is additionally provided with 418 tunnel of PAC flocculants chemical feed pipe, when ss suspended solid value is more than 500mg/L, addition The PAC of concentration 10%, flow 1T/h.
In the present embodiment, flowmeter and delivery pump can be set on some pipelines for mentioning, this set is this area Technical staff, come what is controlled, belongs to the prior art, therefore be not described in detail in this programme according to the flow direction of liquid.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention Fixed, the various modifications made on the basis of design spirit of the present invention is not departed to technical solution of the present invention and transformation, should all fall Enter in the protection domain that claims of the present invention determines.

Claims (10)

  1. A kind of 1. processing system of aluminium oxidized waste water, it is characterised in that：Include storage tank, blend tank, regulating reservoir, pipeline mixing successively Device, primary sedimentation tank, biochemistry pool, secondary settling tank, three heavy pond, sludge-tank, sludge conditioning tank and filter presses；
    Alumina waterwater entrance is provided with the blend tank, adjusts liquid entrance, liquid outlet and thief hatch, the aluminium oxidized waste water Entrance is connected with aluminium oxidized waste water supply conduit；
    The entrance of the storage tank is connected with the liquid outlet of blend tank；
    The regulating reservoir is connected with multiple water inlet pipes, and flow control valve is both provided with each water inlet pipe；
    The outlet of regulating reservoir is connected with the water inlet of pipe-line mixer, and the outlet of the storage tank and the dosing mouth of pipe-line mixer connect It is logical；
    The entrance of the primary sedimentation tank is connected with the water outlet of pipe-line mixer, and the outlet of primary sedimentation tank is connected with the entrance of biochemistry pool Logical, the outlet of biochemistry pool is connected with the entrance of secondary settling tank, and the outlet of the secondary settling tank is communicated with the entrance in three heavy ponds, and described three The outlet in heavy pond is communicated with the external world；
    The primary sedimentation tank, secondary settling tank, three heavy ponds are respectively arranged with the first mud line being connected with sludge-tank, the second sludge pipe Road, the 3rd mud line, are provided with first time mud pipeline between the bottom of the secondary settling tank and primary sedimentation tank；The secondary settling tank bottom It is additionally provided with second time mud pipeline of activity sludge reflux between biochemistry pool, between the bottom in described three heavy ponds and primary sedimentation tank It is provided with the 3rd time mud pipeline；First mud line, the second mud line, the 3rd mud line, first time mud pipeline, second time Delivery pump is both provided with mud pipeline, the 3rd time mud pipeline；
    The sludge-tank is connected with sludge conditioning tank, and sludge conditioning tank is connected with plate type pressure filter, and the plate type pressure filter produces Filtrate connected respectively with the adjusting liquid entrance and primary sedimentation tank entrance of blend tank by adjusting pipeline and reflux line respectively, it is described The bottom of blend tank is connected with sludge-tank by the 4th mud line.
  2. A kind of 2. processing system of aluminium oxidized waste water as claimed in claim 1, it is characterised in that：The pipe-line mixer includes Cylinder, the cylinder include water inlet dosing portion, baffle plate mixed flow portion, eddy flow pushing part, reducing and expansion footpath successively according to the flow direction of liquid Mixed flow portion, the water inlet dosing portion include the water inlet canister portion connected with baffle plate mixed flow portion, and the side of the water inlet canister portion is provided with Water inlet, the one end in reducing and expansion footpath mixed flow portion are provided with water outlet, and the upper end of the water inlet canister portion is provided with chemicals addition control pipe portion, should Chemicals addition control pipe portion is provided with dosing chamber, and the upper end of the chemicals addition control pipe portion is provided with dosing mouth, is slided vertically in dosing chamber Dynamic to be provided with flow path adjustment portion, the bottom of the flow path adjustment portion and dosing chamber constitutes dosing passage, the dosing mouth with plus Connected between medicine passage by chemical feed pipe, the bottom opening of dosing passage is connected with water inlet canister portion, the inside of the water inlet canister portion A floating ball is provided with, the floating ball is connected by connecting rod with flow path adjustment portion, and the floating ball side is rotatablely installed an impeller, described Torsionspring is provided between impeller and floating ball, the opposite side of the floating ball is co-axially mounted a drive gear with the impeller, described Driven gear is rotatablely equipped with chemicals addition control pipe portion, is provided with the gear shaft of the driven gear for adjusting dosing mouth opening and closing The dose adjustment portion of the arc of size, passes through rack engaged transmission between the drive gear and driven gear.
  3. A kind of 3. processing system of aluminium oxidized waste water as claimed in claim 2, it is characterised in that：Set in the water inlet canister portion There is vertical slideway, the both sides of the floating ball are provided with the sliding block being installed on vertical slideway, and the floating ball is installed on by sliding block On vertical slideway.
  4. A kind of 4. processing system of aluminium oxidized waste water as claimed in claim 3, it is characterised in that：The flow path adjustment portion is arc Shape.
  5. A kind of 5. processing system of aluminium oxidized waste water as claimed in claim 4, it is characterised in that：The eddy flow pushing part it is interior Chamber has helical blade mounting base, and it is left-handed to helical blade and a dextrorotation to spiral shell which installs one respectively Vane piece.
  6. A kind of 6. processing system of aluminium oxidized waste water as claimed in claim 5, it is characterised in that：The pipe-line mixer adds Medicine mouth is also associated with the dosing branch pipeline for adding flocculant.
  7. A kind of 7. processing system of aluminium oxidized waste water as claimed in claim 6, it is characterised in that：In the baffle plate mixed flow portion Chamber has corrugated runner, which is staggered installation of baffle plate up and down.
  8. 8. a kind of processing method of aluminium oxidized waste water, which make use of in claim 1 to any one of claim 7 Processing system, it comprises the following steps：
    Aluminium oxidized waste water, be sent in blend tank by S1, and is added to using the filtrate after filter press press filtration in blend tank, makes aluminium The pH value of oxidized waste water precipitates 8 hours after being 5, and the sludge of precipitation is drained into sludge-tank；
    The aluminium oxidized waste water of blend tank, be sent in storage tank and store for future use by S2；
    S3, the waste water of each blowdown producer are sent in regulating reservoir by single pipeline, and the waste water of control of sewage disposal producer Flow, makes regulating reservoir COD concentration 380-400mg/l；
    When the pH value for the A class waste water that blowdown producer discharges is between 6.5-8.5, which is discharged into regulating reservoir；
    When the pH value for the B class waste water that blowdown producer discharges is between 4.5-6.5, the displacement of the B class waste water is A class waste water 70%；
    When the pH value for the C class waste water that blowdown producer discharges is between 8.5-10, the displacement of the C class waste water is A class waste water 90%；
    When the pH value of the C class waste water of blowdown producer discharge is less than 4.5 or pH value is more than 10, which is sent to PH and is mixed Close and be re-fed into after adjusting pH value in pond in regulating reservoir；
    S4, enter the composite waste in regulating reservoir in pipe-line mixer with the flow of 400T/h, by the alumina in storage tank Waste water is entered in pipe-line mixer together with composite waste with the flow of 4T/h and entered in primary sedimentation tank；
    Sewage in S5, primary sedimentation tank enters the reaction of AO biochemistry pools, secondary settling tank sedimentation, three heavy pond sedimentations, and the primary sedimentation tank, two sink Pond, three heavy ponds are flowed back to sludge-tank spoil disposal, the bottom of pond partially liq of the secondary settling tank together with sludge by first time mud pipeline To primary sedimentation tank, the bottom of pond partially liq of the secondary settling tank is back in biochemistry pool together with sludge by second time mud pipeline, institute The bottom of pond partially liq for stating three heavy ponds is back in primary sedimentation tank together with sludge by the 3rd time mud pipeline, and the mixed liquor of biochemistry pool hangs Floating solid concentration MLSS values control is less than 0.5mg/L in 6000mg/L, the i.e. hydrolysis acidification stage DO values of A sections of biochemistry pool, and O sections are Oxygen stage DO values are 5mg/L, and when the activated sludge concentration of biochemistry pool is more than 6500mg/l, unnecessary activated sludge is discharged into just heavy Pond.
  9. A kind of 9. processing method of aluminium oxidized waste water as claimed in claim 8, it is characterised in that：The composite waste and alumina Change waste water is in the concrete mode that pipe-line mixer mixes：Composite waste enters from the water inlet of pipe-line mixer, pipeline mixing Floating ball in device is floated on composite waste, and composite waste flows in pipe-line mixer and drives the impeller on floating ball to rotate, leaf Drive gear rotation is driven while wheel rotation and by rack vertical lifting, rotate driven gear, driven gear rotates just With the dose adjustment portion on movable gear shaft, make the open amount of dosing mouth, the impulse force produced to impeller when composite waste flowing and torsion The open amount for turning dosing mouth during spring balancing is constant；The amount of spin of impeller is associated with the flow velocity of composite waste, composite waste Flow velocity increase, the impulse force increase that impeller is subject to, the open amount increase of dosing mouth；Composite waste flow velocity reduces, and what impeller was subject to rushes Power reduces, and the open amount of dosing mouth reduces.
  10. A kind of 10. processing method of aluminium oxidized waste water as claimed in claim 9, it is characterised in that：The primary sedimentation tank is also set up There are PAC flocculant dosing pipes, when ss suspended solid value is more than 500mg/L, add the PAC, flow 1T/h of concentration 10%.
CN201711364062.0A 2017-12-18 2017-12-18 Aluminum oxidation wastewater treatment system and treatment method Active CN107986572B (en)

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CN109078362A (en) * 2018-07-03 2018-12-25 潘丽华 A kind of reverse-phase emulsifier throwing device
CN109187869A (en) * 2018-09-20 2019-01-11 东莞市北扬工业设计有限公司 It is a kind of for detecting the device of formaldehyde
CN112194229A (en) * 2020-08-25 2021-01-08 翁晨凯 Sewage flocculant preparation equipment and sewage treatment method thereof
CN114349274A (en) * 2021-12-28 2022-04-15 张家港市清源水处理有限公司 Biochemical method sewage treatment system and sewage treatment method thereof

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CN86203543U (en) * 1986-05-24 1987-07-29 三明市环保净化设备厂 Dispensing equipment with float-controlled valve for sewage treatment
WO2002036492A1 (en) * 2000-10-31 2002-05-10 Heiko Weber Method for disposing of waste, produced in an aluminium anodisation plant
CN201228232Y (en) * 2007-12-28 2009-04-29 天津市正方科技发展有限公司 Chlorine dioxide generator with liquid revolving flowmeter
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CN112194229A (en) * 2020-08-25 2021-01-08 翁晨凯 Sewage flocculant preparation equipment and sewage treatment method thereof
CN114349274A (en) * 2021-12-28 2022-04-15 张家港市清源水处理有限公司 Biochemical method sewage treatment system and sewage treatment method thereof
CN114349274B (en) * 2021-12-28 2024-03-19 张家港市清源水处理有限公司 Biochemical sewage treatment system and sewage treatment method thereof

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