CN102198998A - Advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater - Google Patents

Advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater Download PDF

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Publication number
CN102198998A
CN102198998A CN2011100968377A CN201110096837A CN102198998A CN 102198998 A CN102198998 A CN 102198998A CN 2011100968377 A CN2011100968377 A CN 2011100968377A CN 201110096837 A CN201110096837 A CN 201110096837A CN 102198998 A CN102198998 A CN 102198998A
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China
Prior art keywords
chamber
air
cavity
ozone
pipe
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Pending
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CN2011100968377A
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Chinese (zh)
Inventor
李斌
黄福良
曾郴林
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李斌
黄福良
曾郴林
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Priority to CN2011100968377A priority Critical patent/CN102198998A/en
Publication of CN102198998A publication Critical patent/CN102198998A/en
Pending legal-status Critical Current

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Abstract

The invention discloses advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater. The equipment comprises an aerated biofiltration cavity (3), an air floatation cavity (11), an ozone reaction cavity (36), a middle water tank (34), a dissolved air chamber (30), an activated carbon cavity (23), a filtration cavity (25) and an ozone generator (27) which are arranged in a box body in parallel in sequence; the aerated biofiltration cavity (3) and the air floatation cavity (11) are connected by a pipeline; the air floatation cavity (11) and the ozone reaction cavity (36) are connected by a pipeline; the ozone reaction cavity (36) and the middle water tank (34) are connected by a pipeline; the middle water tank (34) and the dissolved air chamber (30) are connected with the filtration cavity (25) and the ozone generator (27) by pipelines; the air floatation cavity (11) and the dissolved air chamber (30) are connected by a pipeline; and the activated carbon cavity (23) and the filtration cavity (25) are connected by a pipeline. The equipment has ingenious design and compact and reasonable internal layout, occupation area is reduced and the manufacture and maintenance costs are reduced.

Description

Textile dyeing and finishing waste water advanced treatment recovery integration apparatus
Technical field
The present invention relates to a kind of textile dyeing and finishing waste water advanced treatment recovery integration apparatus, specifically textile dyeing and finishing waste water is carried out the integration apparatus of advanced treatment.
Background technology
Present printing-dyeing waste water treatment process mainly is by processes such as absorption, suspension, filtration, coagulations, it is simple to have equipment, the advantage of easy and simple to handle and technical maturity, but this class treatment process is normally transferred to solid phase or gas phase with organism from liquid phase, not only do not eliminate organic pollutant fully, mass consumption chemical agent also, and cause refuse to pile up and secondary pollution; Biological process can only be removed the BOD in the dyeing waste water, and also not obvious for the removal effect of COD and poisonous hard-degraded substance and colourity, single treatment process can not satisfy current treatment of dyeing wastewater requirement.
Summary of the invention
Purpose of the present invention aims to provide a kind of textile dyeing and finishing waste water advanced treatment recovery integration apparatus, has avoided the problem that the prior art residence time is long, floor space is big, has reduced the capital construction and the maintenance cost of equipment.
For achieving the above object, textile dyeing and finishing waste water advanced treatment recovery integration apparatus of the present invention is by the biological aerated filter chamber, air flotating chamber, the ozone reaction chamber, intermediate water tank, molten air chamber, the gac cavity, filtering chamber, ozonizer is formed, the biological aerated filter chamber, air flotating chamber, the ozone reaction chamber, intermediate water tank, molten air chamber, the gac cavity, filtering chamber, ozonizer places in the casing successively mutually side by side, biological aerated filter chamber and air flotating chamber pass through pipe connection, pipe connection is passed through in air flotating chamber and ozone reaction chamber, ozone reaction chamber and intermediate water tank pass through pipe connection, intermediate water tank and molten air chamber and filtering chamber and ozonizer also pass through pipe connection, air flotating chamber and molten air chamber pass through pipe connection, gac cavity and filtering chamber pass through pipe connection, former water water inlet pipe is connected with the biological aerated filter chamber, the rare earth filtrate from top to bottom is set in the biological aerated filter chamber, aeration tube and back flushing filter, on top, biological aerated filter chamber the sewage backwash pipe is set, on the supernatant liquor lift pump water inlet pipe that links to each other with the biological aerated filter chamber, chemical tank is set, on the supernatant liquor lift pump rising pipe that links to each other with the biological aerated filter chamber, reactor and chemical tank is set; Supernatant liquor lift pump rising pipe is connected with air flotating chamber, and dissolved air release is set in air flotating chamber, is provided with slag-drip opening on air flotating chamber top; The air flotating chamber rising pipe is connected with the ozone reaction chamber, and ozone reaction chamber rising pipe is connected with intermediate water tank, and water distributor and plastics polyhedron globe are set in the ozone reaction chamber, and the ozone reaction chamber is connected with ozonizer with the ozone divider by the ozone output tube; The intermediate water tank rising pipe is connected with molten air chamber by reflux pump, and intermediate water tank is connected with ozonizer by the ozone tail gas pipe, and the intermediate water tank rising pipe is connected with filtering chamber by lift pump; Plastics polyhedron globe and liquid level sensor are set in the molten air chamber, and molten air chamber also is provided with the pressure air import, and molten air chamber rising pipe is connected with air flotating chamber; The filtering chamber rising pipe is connected with the gac cavity, is provided with gac in the gac cavity, and the gac cavity is connected with ozonizer with the ozone divider by the ozone output tube, and the gac cavity also is provided with the reuse water outlet; The ozone divider is set on the ozonizer.
Textile dyeing and finishing waste water advanced treatment recovery integration apparatus of the present invention compared with prior art has following excellent effect.
1, adopt biological aerated filter chamber and air flotating chamber combination, make up by ozone and active carbon, strengthen adsorption and oxidation, in conjunction with dyeing waste water characteristics dosing coagulant in waste water, the hyperoxia voltinism of discoloring agent and combined with ozone, decolourising property, slurry and the dye well auxiliary agent and the ferromanganese ion of fine suspension and difficult for biological degradation in the removal waste water, air flotating chamber top is provided with slag-drip opening, there is endless tube in molten gas releasing device and the perforation inside, dissolved air water and waste water are fully contacted mix slurry and the dyestuff that to remove the difficult for biological degradation that prior art can not remove fully, auxiliary agent class chemical substance, because the strong oxidizing property of ozone, also can remove the solute colourity in the water, reach the decolouring purpose fully, the utility model adopts ion flotation to avoid the prior art residence time long simultaneously, the problem that floor space is big, capital construction and maintenance cost have been reduced, dystrophic microorganism can grow on the filler of biological aerated filter chamber, as pseudomonas, Aeromonas hydrophila, bacillus etc., these oligotrophic microorganisms's specific surfaces are bigger, organism in the waste water there is bigger avidity, and respiratory rate is low, specific growth rate utmost point Monod constant is all less, so nutraceutical competition is had greater advantage, so the biological aerated filter chamber has very big advantage as the advanced treatment technology to the lower two stage biological treat effluent of organic concentration, simultaneously the same with other technology of biological membrane, all there is anaerobic environment in microbial film inside on the filler, the biological aerated filter chamber has good denitrification functions, when using Coagulation Method in the pre-treatment, remaining aluminum ion in the water, the ferrous ion flco all can be removed by the filler in biological aerated filter chamber.
2, all devices main body can be arranged in the casing, and the internal layout compact and reasonable reduces floor space, reduces and makes and maintenance cost.
3, sewage removes through the biological aerated filter chamber that the organism of sewage is laggard goes into main reaction region, before entering main reaction region, carry out the processing of strong oxidizer earlier, be small organic molecule with the larger molecular organics oxygenolysis and remove COD over half, the sewage that enters main reaction region adopt positive negative pressure gradation dosing, dish coil pipe type along tangent line to water inlet, prolonged the reaction effect of oxidation in early stage and medicament, helped in the main reaction region ion flotation technology pollution substance and water sepn.
4, adopt the low pressure air-dissolving apparatus, in air-dissolving apparatus, adopt tank level control system, realize the interior liquid level of control main reaction region automatically, make entire equipment have the full automatic control ability.
Entire equipment is seldom measured the extremely low scum silica frost of water ratio except ion flotation technology produces, and produces mud hardly, can give up conveniently admittedly and handle, it is reliable that treat effluent is back to each process safety of printing and dyeing, and the integral device reclamation rate is very high, reaches more than 80%, can reduce the production cost of enterprise.
Description of drawings
Fig. 1 is the sectional structure synoptic diagram of textile dyeing and finishing waste water advanced treatment recovery integration apparatus of the present invention.
Wherein: 1, former water water inlet pipe; 2, blast main import; 3, biological aerated filter chamber; 4, rare earth filtrate; 5, back flushing filter; 6, aeration tube; 7, chemical tank; 8, supernatant liquor lift pump; 9, supernatant liquor lift pump water inlet pipe; 10, reactor; 11, air flotating chamber; 12, slag-drip opening; 13, water distributor; 14, air supporting rising pipe; 15, plastics polyhedron globe; 16, molten air chamber rising pipe; 17, ozone output tube; 18, ozone tail gas pipe; 19, pressure air import; 20, liquid level sensor; 21, supernatant liquor lift pump rising pipe; 22, filtering chamber rising pipe; 23, gac cavity; 24, gac; 25, filtering chamber; 26, ozone divider; 27, ozonizer; 28, reuse water outlet; 29, molten air chamber rising pipe; 30, molten air chamber; 31, filtration chamber's lift pump; 32, intermediate water tank reflux pump; 33, intermediate water tank rising pipe; 34, intermediate water tank; 35, ozone reaction chamber rising pipe; 36, ozone reaction chamber; 37, dissolved air release; 38, air flotating chamber water inlet pipe; 39, sewage backwash pipe.
Embodiment
Below in conjunction with accompanying drawing textile dyeing and finishing waste water advanced treatment recovery integration apparatus of the present invention is described in detail.
Textile dyeing and finishing waste water advanced treatment recovery integration apparatus shown in Figure 1 is by biological aerated filter chamber 3, air flotating chamber 11, ozone reaction chamber 36, intermediate water tank 34, molten air chamber 30, gac cavity 23, filtering chamber 25, ozonizer 27 is formed, biological aerated filter chamber 3, air flotating chamber 11, ozone reaction chamber 36, intermediate water tank 34, molten air chamber 30, gac cavity 23, filtering chamber 25, ozonizer 27 places in the casing successively mutually side by side, pipe connection is passed through with air flotating chamber 11 in biological aerated filter chamber 3, air flotating chamber 11 passes through pipe connection with ozone reaction chamber 36, pipe connection is passed through with intermediate water tank 34 in ozone reaction chamber 36, intermediate water tank 34 and molten air chamber 30 and filtering chamber 25 and ozonizer 27 also pass through pipe connection, air flotating chamber 11 passes through pipe connection with molten air chamber 30, gac cavity 23 passes through pipe connection with filtering chamber 25, former water water inlet pipe 1 is connected with biological aerated filter chamber 3, rare earth filtrate 4 from top to bottom is set in biological aerated filter chamber 3, aeration tube 6 and back flushing filter 5, on 3 tops, biological aerated filter chamber sewage backwash pipe 39 is set, blast main import 2 is connected with aeration tube 6, on supernatant liquor lift pump 8 water inlet pipes 9 that link to each other with biological aerated filter chamber 3, chemical tank 7 is set, on the supernatant liquor lift pump rising pipe 21 that links to each other with biological aerated filter chamber 3, reactor 10 and chemical tank 7 is set; Supernatant liquor lift pump rising pipe 21 (being air flotating chamber water inlet pipe 38) is set to spirrillum, supernatant liquor lift pump rising pipe 21 (being air flotating chamber water inlet pipe 38) is connected with air flotating chamber 11, dissolved air release 37 is set in air flotating chamber 11, is provided with slag-drip opening 12 on air flotating chamber 11 tops; Air flotating chamber 11 rising pipes 14 are connected with ozone reaction chamber 36, ozone reaction chamber 36 rising pipes 35 are connected with intermediate water tank 34, water distributor 13 and plastics polyhedron globe 15 are set in the ozone reaction chamber 36, and ozone reaction chamber 36 is connected with ozonizer 27 with ozone divider 26 by ozone output tube 17; Intermediate water tank rising pipe 33 is connected with molten air chamber 30 by reflux pump 32, and intermediate water tank 34 is connected with ozonizer 27 by ozone tail gas pipe 18, and intermediate water tank rising pipe 33 is connected with filtering chamber 25 by lift pump 31; Plastics polyhedron globe 15 and liquid level sensor 20 are set in the molten air chamber 30, and molten air chamber 30 also is provided with pressure air import 19, and molten air chamber rising pipe 16 is connected with air flotating chamber 11; Filtering chamber rising pipe 22 is connected with gac cavity 23, is provided with gac 24 in the gac cavity 23, and gac cavity 23 is connected with ozonizer 27 with ozone divider 26 by ozone output tube 17, and gac cavity 23 also is provided with reuse water outlet 28; Ozone divider 26 is set on the ozonizer 27.
Dyeing waste water enters aeration and biological filter chamber 3 by former water water inlet pipe 1, simultaneously blast air and carry out blast aeration by blast main import 2, gas fully contacts with rare earth filtrate 4 with waste water through aerator together from bottom to top by aeration tube 6, be attached with microbial film on the rare earth filtrate 4, organic substance in adsorbable, the degrading waste water, and tiny suspended substance in the filtering waste water, need to clean behind the aeration and biological filter chamber 3 operation some cycles; In aeration tube 6 bottoms the filler supporting layer is installed, dress back flushing filter 5 recoils on supporting layer, and backwashing wastewater is discharged by sewage backwash pipe 39.The clear water that process aeration and biological filter chamber 3 is handled is by the medicament of 8 pressurization liftings of supernatant liquor lift pump and thorough mixing chemical tank 7 addings in reactor 10, the water that from reactor 10, comes out again with chemical tank 7 in the medicament that adds mix, uniform waste water of thorough mixing and medicament enter air flotating chamber 11 by air flotating chamber water inlet pipe 38, the water outlet of air flotating chamber 11 enters ozone reaction chamber 36 by air supporting rising pipe 14, water outlet enters intermediate water tank 34 by ozone reaction chamber rising pipe 35 again, the former water that 32 pairs of intermediate water tank reflux pumps enter intermediate water tank pressurizes, enter molten air chamber 30 by molten air chamber water-in 29, pressure air enters molten air chamber 30 by pressure air import 19 simultaneously, in molten air chamber 30, form dissolved air water by plastics polyhedron globe 15, utilize liquid level sensor 20 control liquid levels, dissolved air water relies on overbottom pressure to enter air flotating chamber 11 through molten air chamber rising pipe 16, utilize molten air chamber reliever 37 sudden pressure reductions, release air, air is adhering to fine particle and is emerging, form scum silica frost, scum silica frost is discharged by slag-drip opening 12, the waste water of handling in air flotating chamber 11 enters ozone reaction chamber 36, utilize water distributor 13 uniform water distributions, the ozone that is produced by ozone reactor 27 enters ozone reaction chamber 36 by ozone divider 26 through ozone output tube 17 simultaneously, and fully contact mixing by plastics polyhedron globe 15 with the water outlet of air flotating chamber 11, organism in order to difficult degradation in the oxidized waste water, and decolouring, the water outlet in ozone reaction chamber 36 enters intermediate water tank 34, wherein adopt ozone tail gas pipe 18 to connect ozonizer 27 and intermediate water tank 34, the clear water of intermediate water tank 34 utilizes lift pump 31 pressurizations in filtration chamber's to promote by intermediate water tank rising pipe 33 and enters filtering chamber 25, remaining scum silica frost in mechanical impurity in filtering chamber 25 in the removal waste water and the air flotating chamber, the filtering chamber water outlet enters gac cavity 23 by filtering chamber rising pipe 22, another part ozone that utilizes ozone output tube 17 that ozone divider 26 is told is simultaneously introduced activated carbon filtration chamber 23, the gac 24 of ozone and 0.5~2.0mm can be strengthened the solute colourity in the remaining hardly degraded organic substance and waste water in oxidation and the absorption degradation waste water, make the final reuse up to standard of water outlet, reuse water can export 28 via reuse water and get back to workshop water dot cycle utilization.

Claims (3)

1. textile dyeing and finishing waste water advanced treatment recovery integration apparatus, by biological aerated filter chamber (3), air flotating chamber (11), ozone reaction chamber (36), intermediate water tank (34), molten air chamber (30), gac cavity (23), filtering chamber (25), ozonizer (27) is formed, it is characterized in that biological aerated filter chamber (3), air flotating chamber (11), ozone reaction chamber (36), intermediate water tank (34), molten air chamber (30), gac cavity (23), filtering chamber (25), ozonizer (27) places in the casing successively mutually side by side, pipe connection is passed through with air flotating chamber (11) in biological aerated filter chamber (3), air flotating chamber (11) passes through pipe connection with ozone reaction chamber (36), pipe connection is passed through with intermediate water tank (34) in ozone reaction chamber (36), intermediate water tank (34) and molten air chamber (30) and filtering chamber (25) and ozonizer (27) also pass through pipe connection, air flotating chamber (11) passes through pipe connection with molten air chamber (30), and gac cavity (23) passes through pipe connection with filtering chamber (25).
2. textile dyeing and finishing waste water advanced treatment recovery integration apparatus according to claim 1, it is characterized in that former water water inlet pipe (1) is connected with biological aerated filter chamber (3), rare earth filtrate (4) from top to bottom is set in biological aerated filter chamber (3), aeration tube (6) and back flushing filter (5), on top, biological aerated filter chamber (3) sewage backwash pipe (39) is set, blast main import (2) is connected with aeration tube (6), with supernatant liquor lift pump (8) water inlet pipe (9) that biological aerated filter chamber (3) link to each other on chemical tank (7) is set, with supernatant liquor lift pump rising pipe (21) that biological aerated filter chamber (3) link to each other on reactor (10) and chemical tank (7) are set; Supernatant liquor lift pump rising pipe (21) is connected with air flotating chamber (11), and dissolved air release (37) is set in air flotating chamber (11), is provided with slag-drip opening (12) on air flotating chamber (11) top; Air flotating chamber (11) rising pipe (14) is connected with ozone reaction chamber (36), ozone reaction chamber (36) rising pipe (35) is connected with intermediate water tank (34), water distributor (13) and plastics polyhedron globe (15) are set in the ozone reaction chamber (36), and ozone reaction chamber (36) are connected with ozonizer (27) with ozone divider (26) by ozone output tube (17); Intermediate water tank rising pipe (33) is connected with molten air chamber (30) by reflux pump (32), and intermediate water tank (34) is connected with ozonizer (27) by ozone tail gas pipe (18), and intermediate water tank rising pipe (33) is connected with filtering chamber (25) by lift pump (31); Plastics polyhedron globe (15) and liquid level sensor (20) are set in the molten air chamber (30), and molten air chamber (30) also is provided with pressure air import (19), and molten air chamber rising pipe (16) is connected with air flotating chamber (11); Filtering chamber rising pipe (22) is connected with gac cavity (23), be provided with gac (24) in the gac cavity (23), gac cavity (23) is connected with ozonizer (27) with ozone divider (26) by ozone output tube (17), and gac cavity (23) also is provided with reuse water outlet (28); Ozone divider (26) is set on the ozonizer (27).
3. textile dyeing and finishing waste water advanced treatment recovery integration apparatus according to claim 1 is characterized in that supernatant liquor lift pump rising pipe (21) is set to spirrillum.
CN2011100968377A 2011-04-18 2011-04-18 Advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater Pending CN102198998A (en)

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CN2011100968377A CN102198998A (en) 2011-04-18 2011-04-18 Advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater

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CN2011100968377A CN102198998A (en) 2011-04-18 2011-04-18 Advanced treatment and reuse integrated equipment for textile dyeing and finishing wastewater

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103288295A (en) * 2013-05-13 2013-09-11 上海同瑞环保科技有限公司 Water treatment method and water treatment system
CN106522343A (en) * 2016-12-06 2017-03-22 山东中车华腾环保科技有限公司 Sewage conveying device realizing quick maintenance and no blockage and contaminant discharge method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103288295A (en) * 2013-05-13 2013-09-11 上海同瑞环保科技有限公司 Water treatment method and water treatment system
CN106522343A (en) * 2016-12-06 2017-03-22 山东中车华腾环保科技有限公司 Sewage conveying device realizing quick maintenance and no blockage and contaminant discharge method

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Application publication date: 20110928