CN208471814U - System for advanced treatment of dyeing wastewater - Google Patents
System for advanced treatment of dyeing wastewater Download PDFInfo
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- CN208471814U CN208471814U CN201820445053.8U CN201820445053U CN208471814U CN 208471814 U CN208471814 U CN 208471814U CN 201820445053 U CN201820445053 U CN 201820445053U CN 208471814 U CN208471814 U CN 208471814U
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- filter
- activated carbon
- inlet pipe
- tank
- pipeline
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Abstract
The utility model discloses a kind of systems for advanced treatment of dyeing wastewater, including denitrification bio-filter, discharge bay, flotation tank, fibre turntable filter chamber, ozone contact tank, activated carbon filter, air accumulator and the ozone generator being connected with air accumulator；The activated carbon filter is connected with tank by pipeline, which is connected with biological aerated filter by pipeline；The biological aerated filter bottom is equipped with gas flushing pipeline；The activated carbon filter bottom is equipped with air inlet pipe and recoil water pipe, and the air inlet pipe connects the second air blower, and the gas flushing pipeline is connected with the air inlet pipe.The utility model effectively improves the biodegradability of waste water by ozone, and biological aerated filter is arranged on rear side of activated carbon filter, improves effluent quality COD, while relying on the effective total nitrogen that must reduce wastewater effluent of denitrification bio-filter；And biological aerated filter bottom is equipped with gas flushing pipeline and is directly connected to the air inlet pipe of activated carbon filter, high degree reduces energy consumption, realizes energy conservation and environmental protection.
Description
Technical field
The utility model belongs to technical field, more particularly, to a kind of system for advanced treatment of dyeing wastewater.
Background technique
Printing and dyeing enterprise is industrial wastewater discharge rich and influential family, and, organic pollutant content height big with water, coloration are deep, alkaline
Greatly, the features such as change of water quality is big belongs to intractable industrial wastewater.Domestic common printing-dyeing waste water treatment process at present, main point
For two major classes: first is that physico-chemical process, second is that biochemical method.Due in recent years, a large amount of bio-refractory organic matters such as PVA slurry, artificial
Silk alkaline hydrolysis object (mainly O-phthalic acid), New-type adjuvant etc. enter dyeing waste water, and traditional biological treatment is
By serious challenge.In addition country be continuously improved discharge water quality requirement, i.e., do not require nothing more than water outlet COD can reach 80mg/L with
Under, and total nitrogen can control in 15mg/L or less.
Various depth logos more popular at present have: biological aerated filter, advanced oxidation processes (Fenton, ozone), physics
Absorption method and membrane separation technique etc..Biological aerated filter operating cost is lower, but its influenced by change of water quality it is bigger；It is fragrant
Method needs to adjust pH and adds a large amount of molysite, causes in water outlet that salt content is higher, is unfavorable for reuse, also will form a large amount of dirts
Mud increases processing difficulty；Absorption method mainly utilizes the porous structure of active carbon, macroporous absorbent resin, carries out hard-degraded substance
Removal, investment is high, and operating cost is high, very good in operation outlet effect early period, but with the adsorption saturation of active carbon, water outlet effect
Fruit is gradually deteriorated, until system completely loses removal ability, needs to regenerate active carbon, and regeneration method is complicated, regeneration
Number is limited, and generating largely useless charcoal is secondary pollution.
Ozone has strong oxidizing property, has sterilization, and oxidation of organic compounds removes coloration, has obtained extensively in processing waste water
Application.But do not ensure that water outlet COD and total nitrogen can be up to standard only by ozone treatment.Deep layer filter bed is then to have to take off
The ability of nitrogen, but take up a large area, and the ability for removing total nitrogen is limited, biological aerated filter operating cost is lower, but its by
Change of water quality influences bigger.
Therefore, in order to solve the above technical problems, it is necessory to provide a kind of not only with denitrogenation but also the waste water of COD can have been removed
Processing, and reach COD lower than 60mg/L.Total nitrogen is lower than the target of 15mg/L, while also needing the small operating cost of occupied area low, with
Overcome the defect in the prior art.
Utility model content
The utility model for overcome the deficiencies in the prior art, provides a kind of water outlet total nitrogen and meets discharge standard, takes up little area
The system for advanced treatment of dyeing wastewater.
To achieve the goals above, the utility model uses following technical scheme: one kind being used for advanced treatment of dyeing wastewater
System, including denitrification bio-filter, discharge bay, flotation tank, fibre turntable filter chamber, ozone contact tank, activated carbon filter, storage
Gas tank and the ozone generator being connected with air accumulator；The activated carbon filter is connected with tank by pipeline, and the tank is logical
Piping is connected with biological aerated filter；The biological aerated filter bottom is equipped with gas flushing pipeline；The activated carbon filter bottom
Portion is equipped with air inlet pipe and recoil water pipe, and the air inlet pipe connects the second air blower, and the gas flushing pipeline is connected with the air inlet pipe
It is logical.
The biological aerated filter bottom is equipped with water backflushing pipe, which is connected with external reservoir；It is logical
It crosses air inlet and water inlet while carrying out backwash operation, backwash effect is good, high-efficient.
Further, the ozone contact tank top is equipped with hydrogen peroxide and adds pipeline.
Preferably, the ozone generator be connected with shunt general pipeline, with the first shunt pipe for being connected of shunting general pipeline and the
Two shunt pipes；First shunt pipe is connected with the ozone contact tank, second shunt pipe and the active carbon
Filter tank is connected；It is added by carrying out ozone segmentation in ozone contact tank and activated carbon filter, then passes through H2O2With the knot of active carbon
Close, there is better catalytic performance, ozone utilization rate is high, and effluent quality can be improved, and it is few to produce sludge quantity, be effectively reduced operation at
This.
Preferably, there is filler and aeration plate, which is quartz sand and granular activated carbon, institute in the activated carbon filter
The second shunt pipe is stated to be connected with the aeration plate；By the setting of aeration plate so that aeration sufficiently, improves water treatment efficiency.
Preferably, there is filler, which is haydite in the denitrification bio-filter.
Further, the denitrification bio-filter lower part is equipped with backwash air inlet pipe and backwash water inlet pipe, described anti-
It rinses air inlet pipe and connects the first air blower, the backwash water inlet pipe is connected with the discharge bay；Discharge bay can directly be utilized
Water to denitrification bio-filter carry out backwash operation, avoid the occurrence of excessive water resource waste, it is energy saving.
Further, the air bearing bottom of pond portion connects a sludge pipe.
This it is practical it is new in by the way that biological aerated filter is arranged on rear side of activated carbon filter, the effective biochemistry for improving waste water
Property, effluent quality COD is improved, the total nitrogen of wastewater effluent is reduced；And biological aerated filter bottom is equipped with gas flushing pipeline and activity
The air inlet pipe of carbon filtering pool is directly connected to, and then can carry out Air Exposure by same air blower, and high degree reduces energy consumption,
Realize energy conservation and environmental protection；And no setting is required that deep layer filter bed can be realized, occupied area is small；
Secondly, directlying adopt denitrification bio-filter after secondary settling tank, two-stage ozone is then recycled, it can be to avoid denitrogenation
In the process, carbon source adds excessive generation COD, reduces the COD of water outlet, while the setting of denitrification filter pool can also further decrease
The suspended matter of water outlet.
Furthermore it is handled by denitrification bio-filter, has the characteristics that load is high, impact-resistant, before can effectively improving
Section biochemical denitrification effect, lifting means stability and service life, and guarantee that can be stable is discharged the up to standard of total nitrogen, makes its arrival
GB/T 4287-2012 textile dyeing and finishing industrial water pollution object discharge standard.
In conclusion the utility model effectively improves the biodegradability of waste water by the strong oxidizing property of ozone, then in work
Property carbon filtering pool on rear side of be arranged biological aerated filter, improve effluent quality COD, while rely on denitrification bio-filter, be effectively reduced
The total nitrogen of wastewater effluent；And biological aerated filter bottom is equipped with gas flushing pipeline and is directly connected to the air inlet pipe of activated carbon filter,
And then Air Exposure can be carried out by same air blower, high degree reduces energy consumption, realizes energy conservation and environmental protection；And no setting is required
Deep layer filter bed can be realized, and occupied area is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described.
As shown in Figure 1, a kind of system for advanced treatment of dyeing wastewater, including pass sequentially through pipeline be interconnected it is anti-
Nitrify biofilter 2, discharge bay 3, flotation tank 4, fibre turntable filter chamber 5, ozone contact tank 7, activated carbon filter 8, tank 9 with
And biological aerated filter 10；The activated carbon filter 8 is connected to by pipeline with tank 9, and the tank 9 is by pipeline and exposes
Gas biofilter 10 is connected to；Secondly, further including air accumulator 11 and the ozone generator being connected with air accumulator 12, and ozone generator
12 outlet side is connected with and shunts general pipeline 121, the first shunt pipe 122 and the second shunt pipe 123 made of stainless steel, the
One shunt pipe 122 and the second shunt pipe 123 are connected with shunting general pipeline, and the first shunt pipe 122 is set as 3；Institute
It states first shunt pipe 122 and is connected to 7 bottom of ozone contact tank, second shunt pipe 123 is connected to the work
Property 8 bottom of carbon filtering pool；Specifically, having filler and aeration plate in the activated carbon filter 8, which is that quartz sand and particle are living
Property charcoal, second shunt pipe 123 are connected after penetrating to activated carbon filter 8 with the aeration plate, and the aeration plate is by market
On be directly commercially available.
Secondly, 8 bottom of activated carbon filter is equipped with air inlet pipe 81 and recoil water pipe 82, the connection of air inlet pipe 81 second
Air blower 13, the recoil water pipe 82 are equipped with water pump, the water after the completion of final process can be pumped into activated carbon filter 8,
Filler in activated carbon filter 8 is backwashed, the waste water after backwash flows into ozone contact tank 7；The denitrification
Also there is filler, which is haydite in biofilter 2；Further, 2 lower part of denitrification bio-filter is equipped with backwash
Air inlet pipe 21 and backwash water inlet pipe 22, and the backwash air inlet pipe 21 connects the first air blower 23, the backwash water inlet
Pipe 22 is connected with the discharge bay 3, and backwash water inlet pipe 22 is equipped with water pump, is pumped into the water of discharge bay instead by water pump
It nitrifies in biofilter 2, filler is backwashed；First air blower, the second air blower are to be commercially available on the market
Ordinary blower, repeat no more.
Likewise, 10 bottom of biological aerated filter also is provided with gas flushing pipeline 101 and water backflushing pipe 102, and should
Gas flushing pipeline 101 is connected with the air inlet pipe 81, and the water backflushing pipe 102 is connected with external reservoir, and then can incite somebody to action
The water source being discharged after processing carries out backwash operation to biological aerated filter 10 as backwashing water.
Preferably, 7 top of ozone contact tank, which is equipped with hydrogen peroxide, adds pipeline 61, pipeline is added by the hydrogen peroxide
Hydrogen peroxide is added to ozone contact tank 7；4 bottom of flotation tank connects a sludge pipe 41, can carry out to the sludge of flotation tank 4 clear
Reason.
Treatment process is as follows: waste water enters denitrification bio-filter 2 and stops reaction 25min, throws in denitrification bio-filter 2
Add methanol as carbon source, and the dosage of methanol are as follows: the amount for being 3:1-5:1 by the ratio of the Determination of Total Nitrogen in Waste Water amount with wastewater effluent
It is added to guarantee that water outlet total nitrogen achievees the purpose that 15mg/L；Waste water is discharged by denitrification bio-filter 2 later enters water outlet
Pond 3 stores, then enters flotation tank 4 by discharge bay 3, while Polyferric Sulfate and PAM are added into water；Later waste water in flotation tank 4 into
Row mud-water separation, wastewater effluent to fibre turntable filter chamber 5, sludge are then discharged by sludge pipe later；Waste water is filtered in fibre turntable
After removing oil removal in pond 5, into ozone contact tank 7, reaction 40min is stopped in ozone contact tank；Pipe is added by hydrogen peroxide
Road adds hydrogen peroxide to ozone contact tank 7, and the mass fraction of hydrogen peroxide is 27.5%；Simultaneously to being exposed in ozone contact tank
Gas, the 1:2-1:5 that the aeration quantity and hydrogen peroxide dosage molar ratio of ozone are, and the maximum dosage of ozone is 30ppm；Later
Waste water enters to activated carbon filter 8, reaction 40min is stopped in activated carbon filter 8, while being aerated to activated carbon filter 8,
And ozonation aerated amount is 20ppm；Waste water after reaction is discharged to tank 9, flows into biological aerated filter 10 later, finally
Direct outlet after up to standard.
Bio-chemical effluent water quality indicator is as follows: CODCrFor 150-180mg/L, total nitrogen 25mg/L-35mg/L；
By denitrification bio-filter, water quality indicator is as follows: CODCrFor 110-130mg/L, total nitrogen 15mg/L or less；
By activated carbon filter, water quality indicator is as follows: CODCrFor 60-80mg/L；
Final outflow water water quality indicator is as follows: CODCr: 60mg/L is hereinafter, total nitrogen: 6-10mg/L.
Pass through above-mentioned experiment, it can be deduced that draw a conclusion: passing through the device, it is ensured that water outlet is lower than 60mg/L, total nitrogen
In 15mg/L hereinafter, reference frame can be provided for the mark transformation that mentions of dyeing waste water.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in every other embodiment.
Claims (8)
1. a kind of system for advanced treatment of dyeing wastewater, including denitrification bio-filter (2), discharge bay (3), flotation tank
(4), fibre turntable filter chamber (5), ozone contact tank (7), activated carbon filter (8), air accumulator (11) and it is connected with air accumulator smelly
Oxygen Generator (12)；It is characterized by: the activated carbon filter (8) is connected with tank (9) by pipeline, the tank (9)
Biological aerated filter (10) are connected with by pipeline；Biological aerated filter (10) bottom is equipped with gas flushing pipeline (101)；Institute
Activated carbon filter (8) bottom is stated equipped with air inlet pipe (81) and recoil water pipe (82), the air inlet pipe (81) connects the second air blower
(13), the gas flushing pipeline (101) is connected with the air inlet pipe (81).
2. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the aeration life
Object filter tank (10) bottom is equipped with water backflushing pipe (102), which is connected with external reservoir.
3. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the ozone connects
Touching pond (7) top is equipped with hydrogen peroxide and adds pipeline (61).
4. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the ozone hair
Raw device (12) are connected with the first shunt pipe (122) and the second shunt pipe for shunting general pipeline (121), being connected with shunting general pipeline
(123)；First shunt pipe (122) is connected with the ozone contact tank (7), second shunt pipe (123) and institute
Activated carbon filter (8) is stated to be connected.
5. a kind of system for advanced treatment of dyeing wastewater according to claim 4, it is characterised in that: the active carbon
There is in filter tank (8) filler and aeration plate, which is quartz sand and granular activated carbon, second shunt pipe (123) with
The aeration plate is connected.
6. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the denitrification
There is filler, which is haydite in biofilter (2).
7. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the denitrification
Biofilter (2) lower part is equipped with backwash air inlet pipe (21) and backwash water inlet pipe (22), and the backwash air inlet pipe (21) is even
It connects the first air blower (23), the backwash water inlet pipe (22) is connected with the discharge bay (3).
8. a kind of system for advanced treatment of dyeing wastewater according to claim 1, it is characterised in that: the flotation tank
(4) bottom connection one sludge pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445053.8U CN208471814U (en) | 2018-03-30 | 2018-03-30 | System for advanced treatment of dyeing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445053.8U CN208471814U (en) | 2018-03-30 | 2018-03-30 | System for advanced treatment of dyeing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208471814U true CN208471814U (en) | 2019-02-05 |
Family
ID=65206618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820445053.8U Expired - Fee Related CN208471814U (en) | 2018-03-30 | 2018-03-30 | System for advanced treatment of dyeing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208471814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439710A (en) * | 2018-04-09 | 2018-08-24 | 绍兴柯桥江滨水处理有限公司 | System for advanced treatment of dyeing wastewater |
-
2018
- 2018-03-30 CN CN201820445053.8U patent/CN208471814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439710A (en) * | 2018-04-09 | 2018-08-24 | 绍兴柯桥江滨水处理有限公司 | System for advanced treatment of dyeing wastewater |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |