CN206014610U - A kind of dyeing waste water end secondary decolourization system - Google Patents

A kind of dyeing waste water end secondary decolourization system Download PDF

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Publication number
CN206014610U
CN206014610U CN201620931772.1U CN201620931772U CN206014610U CN 206014610 U CN206014610 U CN 206014610U CN 201620931772 U CN201620931772 U CN 201620931772U CN 206014610 U CN206014610 U CN 206014610U
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China
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waste water
water
decolourization
ozone reaction
dyeing waste
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CN201620931772.1U
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Chinese (zh)
Inventor
朱和林
杨敏
吕志园
方孟飞
李彬
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Kaiyuan Environmental Technology Group Co.,Ltd.
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HANGZHOU KAIYUAN ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Abstract

This utility model is related to field of waste water treatment, discloses a kind of dyeing waste water end secondary decolourization system, including waste water decoloring system, ozone generation system and exhaust treatment system;Waste water decoloring system includes collecting-tank, sewage pump, ozone reaction pond, BAF ponds, sedimentation tank, intermediate pool and the middle water elevator pump being sequentially connected;Ozone generation system includes air compressor machine, air accumulator, air filter, cooling driers, three filters, dryer and the ozonator being sequentially connected;Exhaust treatment system includes knockout drum, tail gas destruction pipe, blower fan and switch board.This utility model carries out the desolventing technology of two procedures by ozonation technology, BAF to the dyeing and printing sewage through pretreatment, to CODCr, colourity etc. have higher clearance, while easy to operate, operating cost is low, big with the response rate, and the characteristics of without sludge.Water outlet can meet the higher workshop water of recycle-water requirement.

Description

A kind of dyeing waste water end secondary decolourization system
Technical field
This utility model relates to field of waste water treatment, more particularly to a kind of dyeing waste water end secondary decolourization system.
Background technology
Dyeing waste water is the main source of textile industry pollution.Not only discharge capacity is big for dyeing waste water, colourity and pollution level Height, and the application with fiber product, slurry, dyestuff, detergent, chemical assistant and finishing agent etc., waste component are more multiple Miscellaneous, the difficulty of process is also just bigger.
Dyeing waste water has that the water yield is big, organic pollution content is high, hard-degraded substance is more, colourity is high, and complicated components The features such as, belong to intractable industrial wastewater.In dyeing waste water contain dyestuff, slurry, auxiliary agent, oil preparation, soda acid, fiber impurity and The heavy metal elements such as the nitro and amine compound in inorganic salt etc., wherein dyestuff, Yi Jitong, chromium, zinc, arsenic, with larger Bio-toxicity, serious environment pollution.
Different printing and dyeing mill's processing technique are different, typically mainly have pre-treatment (including desizing of singing, kiering, bleaching, mercerising Etc. sequence), dyeing, the operation such as stamp and arrangement.The waste water composition dyeing waste water that each operation is discharged during dyeing and printing process.
Currently, hydrophobicity or water-fast decoloring dye waste water are solved substantially, and difficult point is many hydrophilic or water The decolouring of soluble dye waste water, and this also one of exactly current industrial wastewater difficult to deal with that generally acknowledges, conventional materialization and life Change combination Process for Effluent colourity high, even if increasing filtering technique after sewage disinfection treatment, also tend to not reach industrial water requirement, should Use face very little.And the preferable reverse-osmosis treated for the treatment of effect faces that cost of investment is high, operating cost is high, maintenance cost is high and Obtain the low predicament of water rate.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of dyeing waste water end secondary decolourization system.This Utility model carries out the desolventing technology of two procedures by ozonation technology, BAF to the dyeing and printing sewage through pretreatment, can Effective process has higher clearance through pretreated dyeing waste water to CODCr, colourity etc., while easy to operate, fortune Row expense is low, not only has a significant advantage compared with film process on investment O&M, and has the response rate big, and the characteristics of without sludge. Water outlet can meet the higher workshop water of recycle-water requirement.
Concrete technical scheme of the present utility model is:A kind of dyeing waste water end secondary decolourization system, including waste water decoloring System, ozone generation system and exhaust treatment system;Collecting-tank that the waste water decoloring system includes being sequentially connected by pipeline, Sewage pump, ozone reaction pond, BAF ponds, sedimentation tank, intermediate pool and middle water elevator pump;The sewage pump leads to The top that pipeline is crossed with ozone reaction pond is connected, and the bottom in ozone reaction pond is connected with intermediate pool by pipeline;The ozone Generation system is included the air compressor machine being sequentially connected by pipeline, air accumulator, air filter, cooling driers, three filters, is blotted Machine and ozonator;The ozonator is connected with the bottom in ozone reaction pond;The exhaust treatment system includes gas-liquid Knockout drum, tail gas destruction pipe, blower fan and switch board;The knockout drum is connected with the top in ozone reaction pond by pipeline, Knockout drum, tail gas destruction pipe, blower fan are sequentially connected, and the switch board is used for controlling exhaust treatment system.
Preferably, filler support is provided with the BAF ponds, be fixed with combined stuffing on described filler support;BAF water Bottom of pond portion is provided with aeration plate, and the aeration plate is connected with aerator.
Preferably, be provided with core barrel, sludge bucket and effluent weir in the sedimentation tank, the core barrel and BAF ponds Outlet pipe is connected;The sludge bucket is arranged at the bottom of sedimentation tank and is connected with sludge treating system;The effluent weir is located at heavy At the water outlet in shallow lake pond.
Preferably, being provided with liquid level sensor in the collecting-tank and intermediate pool.
Preferably, the water inlet pipe end at the top of the ozone reaction pond is provided with water-distributing device.
Preferably, the air inlet pipe end in the ozone reaction bottom of pond portion is provided with titanium alloy aerator.
Preferably, the ozone reaction bottom of pond portion is provided with collector pipe, the collector pipe is gone out with ozone reaction bottom of pond portion Water pipe connects.
Preferably, height of the height of the collector pipe less than the titanium alloy aerator.
Preferably, adding a cover at the top of the ozone reaction pond and intermediate pool.
In this utility model:
Collecting-tank, preprocessed reaches《Textile dyeing and finishing industrial water pollution thing discharge standard》(GB4287-2012)Middle correlation The composite wastewater gravity flow of discharge standard enters collecting-tank.Liquid level sensor is set in collecting-tank, is accurately positioned liquid in collecting-tank Position.
Ozonator, is made using most advanced non-glass material titanium deshydroxy quartz ampoule now, and the structure is using extremely Stable, long service life, is hardly damaged with discharging efficiency height, chance backwater.
Ozone reaction pond, reaction tank bottom are provided with titanium alloy aeration plate, are different from common ethylene-propylene diene copolymer aeration plate, anti- Have a clear superiority in terms of oxidation susceptibility, chemical stability, be exclusively used in the ozonation aerated of strong oxidizing property.Top water distribution, bottom collection The special process of water, it is achieved that gas-water counterflow, good with mass transfer performances, the characteristics of time of contact is short.
BAF ponds.Combined stuffing is set in pond, and bottom of pond arranges aeration plate, for supporting oligotrophy type microorganism, the type Microorganism can be survived under the low environment of influent load, and there is considerable removal effect to colourity and COD.
Sedimentation tank.Sewage passes through gravitational settling, sludge natural sedimentation after entering sedimentation tank.Sedimentation tank bottom is provided with sludge Bucket, after sludge is collected by sludge bucket, excess sludge enters sludge treating system by pipeline in sludge bucket.Feelings are regarded inside sedimentation tank Condition is provided with core barrel, mud scraper etc., for water distribution and the cleaning of sludge.Effluent weir is provided with the top of sedimentation tank, and supernatant passes through After effluent weir is collected, intermediate pool is entered.
Intermediate pool.Intermediate pool keeps in ozone reaction pond clear water, is furnished with middle water pump, for clear water in pond to be delivered to Workshop uses.
Exhaust treatment system, ozone reaction pond and intermediate pool Chi Ding are added a cover, for the collection of ozone tail gas, after collection Tail gas unification enters tail gas treatment device and is destroyed.Hopcalite agent filler is used to cause tail gas using the principle of catalytic decomposition In ozone molecule fast decoupled.
It is compared with the prior art, the beneficial effects of the utility model are:This utility model passes through ozonation technology, BAF The desolventing technology that two procedures are carried out to the dyeing and printing sewage through pretreatment, can effective process useless through pretreated printing and dyeing Water, has higher clearance to CODCr, colourity etc., while easy to operate, operating cost is low, not only investment O&M on compared with Film process has a significant advantage, and has the response rate big, and the characteristics of without sludge.Water outlet can meet the higher car of recycle-water requirement Between use water.
Description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Reference is:Collecting-tank 1, sewage pump 2, ozone reaction pond 3, intermediate pool 4, middle water elevator pump 5, sky Press 6, air accumulator 7, air filter 8, cooling driers 9, three filters 10, dryer 11, ozonator 12, gas-liquid separation Tank 13, tail gas destruction pipe 14, blower fan 15, switch board 16, liquid level sensor 17, water-distributing device 18, titanium alloy aerator 19, catchment Pipe 20, BAF ponds 21, sedimentation tank 22, filler support 23, combined stuffing 24, aerator 25, core barrel 26, sludge bucket 27, water outlet Weir 28, aeration plate 29.
Specific embodiment
With reference to embodiment, the utility model will be further described.In this utility model involved device, Connection structure and method, if without refering in particular to, be device well known in the art, connection structure and method.
Embodiment 1
As shown in Figure 1:A kind of dyeing waste water end secondary decolourization system, including waste water decoloring system, ozone generation system And exhaust treatment system.
Collecting-tank 1 that the waste water decoloring system includes being sequentially connected by pipeline, sewage pump 2, ozone reaction pond 3rd, BAF ponds 21, sedimentation tank 22, intermediate pool 4 and middle water elevator pump 5.The sewage pump is anti-with ozone by pipeline The top connection of Ying Chi, the water inlet pipe end at the top of ozone reaction pond are provided with water-distributing device 18.The ozone reaction bottom of pond portion sets There are collector pipe 20, the collector pipe to be connected with the outlet pipe in ozone reaction bottom of pond portion, the outlet pipe in ozone reaction pond and middle water Pond connects.Filler support 23 is provided with the BAF ponds, is fixed with combined stuffing 24 on described filler support;BAF basin bottoms Aeration plate 29 is provided with, the aeration plate is connected with aerator 25.Core barrel 26, sludge bucket 27 and water outlet is provided with the sedimentation tank The outlet pipe in weir 28, the core barrel and BAF ponds is connected;The sludge bucket is arranged at the bottom of sedimentation tank and Treatment of Sludge System connects;The effluent weir is at the water outlet of sedimentation tank.
Air compressor machine 6 that the ozone generation system includes being sequentially connected by pipeline, air accumulator 7, air filter 8, cold Dry machine 9, three filters 10, dryer 11 and ozonator 12.The air inlet pipe end in the ozone reaction bottom of pond portion is provided with Titanium alloy aerator 19.The ozonator is connected with the air inlet pipe in ozone reaction bottom of pond portion.It should be noted that the collection Height of the height of water pipe less than the titanium alloy aerator.
The exhaust treatment system includes knockout drum 13, tail gas destruction pipe 14, blower fan 15 and switch board 16;The gas Liquid knockout drum is connected with the top in ozone reaction pond by pipeline, and knockout drum, tail gas destruction pipe, blower fan are sequentially connected, institute Stating switch board is used for controlling exhaust treatment system.
Wherein, liquid level sensor 17 is provided with the collecting-tank and intermediate pool.The ozone reaction pond and middle water Add a cover at the top of pond.
Embodiment 2
The present embodiment is with the difference of embodiment 1, in the present embodiment in the collecting-tank and intermediate pool not It is provided with liquid level sensor.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure transformation that above example is made according to this utility model technical spirit, still Belong to the protection domain of technical solutions of the utility model.

Claims (9)

1. a kind of dyeing waste water end secondary decolourization system, it is characterised in that:Including waste water decoloring system, ozone generation system and Exhaust treatment system;The waste water decoloring system includes the collecting-tank being sequentially connected by pipeline(1), sewage pump(2), smelly Oxygen reaction tank(3), BAF ponds(21), sedimentation tank(22), intermediate pool(4)With middle water elevator pump(5);The sewage lifting Pump is connected with the top in ozone reaction pond by pipeline, and the bottom in ozone reaction pond is connected with intermediate pool by pipeline;Described Ozone generation system includes the air compressor machine being sequentially connected by pipeline(6), air accumulator(7), air filter(8), cooling driers (9), three filters(10), dryer(11)And ozonator(12);The ozonator and the bottom in ozone reaction pond Portion connects;The exhaust treatment system includes knockout drum(13), tail gas destruction pipe(14), blower fan(15)And switch board (16);The knockout drum is connected with the top in ozone reaction pond by pipeline, knockout drum, tail gas destruction pipe, blower fan It is sequentially connected, the switch board is used for controlling exhaust treatment system.
2. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that in the BAF ponds It is provided with filler support(23), on described filler support, it is fixed with combined stuffing(24);BAF basin bottoms are provided with aeration plate(29), The aeration plate and aerator(25)Connection.
3. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that set in the sedimentation tank There is core barrel(26), sludge bucket(27)And effluent weir(28), the outlet pipe connection in the core barrel and BAF ponds;The sludge Bucket is arranged at the bottom of sedimentation tank and is connected with sludge treating system;The effluent weir is at the water outlet of sedimentation tank.
4. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that the collecting-tank and in Between be provided with liquid level sensor in pond(17).
5. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that the ozone reaction pond The water inlet pipe end at top is provided with water-distributing device(18).
6. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that the ozone reaction pond The air inlet pipe end of bottom is provided with titanium alloy aerator(19).
7. a kind of dyeing waste water end secondary decolourization system as claimed in claim 6, it is characterised in that the ozone reaction pond Bottom is provided with collector pipe(20), the collector pipe is connected with the outlet pipe in ozone reaction bottom of pond portion.
8. a kind of dyeing waste water end secondary decolourization system as claimed in claim 7, it is characterised in that the height of the collector pipe Height of the degree less than the titanium alloy aerator.
9. a kind of dyeing waste water end secondary decolourization system as claimed in claim 1, it is characterised in that the ozone reaction pond Add a cover with the top of intermediate pool.
CN201620931772.1U 2016-08-23 2016-08-23 A kind of dyeing waste water end secondary decolourization system Active CN206014610U (en)

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Application Number Priority Date Filing Date Title
CN201620931772.1U CN206014610U (en) 2016-08-23 2016-08-23 A kind of dyeing waste water end secondary decolourization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620931772.1U CN206014610U (en) 2016-08-23 2016-08-23 A kind of dyeing waste water end secondary decolourization system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947348A (en) * 2019-12-23 2020-04-03 沈阳化工研究院有限公司 Micro-channel continuous ozone oxidation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947348A (en) * 2019-12-23 2020-04-03 沈阳化工研究院有限公司 Micro-channel continuous ozone oxidation device

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Address after: Room 1701, building 1, No.22, Xinbei Road, Oriental Century Center, Xiaoshan District, Hangzhou City, Zhejiang Province 311200

Patentee after: Kaiyuan Environmental Technology Group Co.,Ltd.

Address before: Room 1701, building 1, No.22, Xinbei Road, Oriental Century Center, Xiaoshan District, Hangzhou City, Zhejiang Province 311200

Patentee before: HANGZHOU KAIYUAN ENVIRONMENTAL ENGINEERING CO.,LTD.