CN109133291A - A kind of coloured wastewater efficient processing system of regenerated cellulose film and method - Google Patents
A kind of coloured wastewater efficient processing system of regenerated cellulose film and method Download PDFInfo
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- CN109133291A CN109133291A CN201811126232.6A CN201811126232A CN109133291A CN 109133291 A CN109133291 A CN 109133291A CN 201811126232 A CN201811126232 A CN 201811126232A CN 109133291 A CN109133291 A CN 109133291A
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- coloured
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- cellulose film
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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
- 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
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of coloured wastewater efficient processing system of regenerated cellulose film and methods, belong to technical field of sewage, processing system includes sewage collecting tank, the top of the sewage collecting tank is connected to sewage vent line, the top of the sewage collecting tank is connected with static mixing device by overflow pipe, the static mixing device includes multiple sequentially connected static mixers, and the static mixer is equipped with dosing mouth, and the dosing mouth is connected with pharmacy jar by medicament conveyance conduit.The system cost is low, occupied area is small, easy to operate, easy to maintain, handle coloured wastewater efficient, rapidly.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of coloured wastewater efficient processing system of regenerated cellulose film
System and method.
Background technique
Currently, with the diversification that regenerated cellulose film is applied, color recycled cellulose membrane is more and more by client
Favor, with the increasing of color recycled cellulose membrane output, the discharge amount of coloured sewage is also increased.
The coloured sewage generated in regenerated cellulose film production process belongs to certain coloration, containing a certain amount of difficult biology
The organic wastewater of degradation material has the characteristics that change of water quality is big, alkalinity is big, coloration is deep, contaminant component difference is big, at biochemistry
It is big to manage difficulty.
Existing conventional processing systems equipment investment is larger, occupied area is larger, and for handle coloured sewage when, due to
Coloured sewage decoloring is more difficult, and processing needs to expend certain time.
Summary of the invention
For above-mentioned technical problem, the present invention provides a kind of coloured wastewater efficient processing system of regenerated cellulose film and side
Method, the system are at low cost, occupied area is small, easy to operate, easy to maintain is, it can be achieved that online close to coloured sewage generating region
Continuous high-efficient processing.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of coloured wastewater efficient processing system of regenerated cellulose film, including sewage collecting tank, the sewage collecting tank
Top is connected to sewage vent line, and the top of the sewage collecting tank is connected with static mixing device by overflow pipe, described
Static mixing device includes multiple sequentially connected static mixers, and the static mixer is equipped with dosing mouth, the dosing
Mouth is connected with pharmacy jar by medicament conveyance conduit.
Preferably, the static mixing device includes three sequentially connected static mixers.
Preferably, the static mixing device is connect by elbow flange with the overflow pipe, the static mixer it
Between connection type include but is not limited to flanged joint, flexible connection and threaded connection.
Preferably, agitating device is equipped in the pharmacy jar.
Preferably, the dosing mouth includes but is not limited to fast interface.
Preferably, the static mixing device passes through fixed device support and fixes, the static mixing device and horizontal plane
It is arranged at an angle.
Preferably, the medicament conveyance conduit is equipped with dosing metering pump and flowmeter.
The present invention also provides a kind of coloured wastewater efficient processing methods of regenerated cellulose film, using above-mentioned regenerated cellulose film
Coloured wastewater efficient processing system, comprising the following steps:
(1) solution that certain density decoloring assistant is prepared in pharmacy jar respectively obtains decoloring assistant solution A, decoloration
Compounding agent solution B, decoloring assistant solution C；
(2) after the coloured sewage in sewage collecting tank reaches setting liquid level, sequentially connected static state is entered by overflow pipe
Decoloring assistant solution is added into static mixer I by dosing mouth by mixer I, static mixer II, static mixer III
A, the interior addition decoloring assistant solution C of decoloring assistant solution B, static mixer III is added in static mixer II；
(3) coloured sewage is successively molten with the decoloring assistant in static mixer I, static mixer II, static mixer III
Liquid mixing decoloration, water discharge of finally decolourizing.
Preferably, the decoloring assistant solution A is dicyandiamide formaldehyde resin solution, and concentration 2-5wt%, the decoloration helps
Agent solution B is polymeric aluminum chlorides solution, and concentration 2-5wt%, the decoloring assistant solution C is polyacrylamide solution, concentration
For 0.5-1wt%.
Preferably, the additional amount of the decoloring assistant solution A is the 1.5-3% (volume) of coloured sewage quantity, the decoloration
The additional amount of compounding agent solution B is the 1.5-3% (volume) of coloured sewage quantity, and the additional amount of the decoloring assistant solution C is coloured
The 1-2% (volume) of sewage quantity.
Beneficial effects of the present invention are shown:
Sewage disposal system of the invention is at low cost, occupied area is small, easy to operate, easy to maintain, for regenerated fiber
The plain coloured sewage of film has good decolorization effect, can be realized on-line continuous processing, and treatment effeciency is high；Dirt of the invention
Method for treating water, by sequentially adding three kinds of decoloring assistants, wherein decoloring assistant solution A is main decolorising agent, can make to have in water
Color substance separation sedimentation, decoloring assistant solution B and decoloring assistant solution C further promote coloring matter flocculating setting, finally make
Coloured sewage effectively decolourizes, and significantly reduces COD.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the coloured wastewater efficient processing system of regenerated cellulose film of the present invention；
Fig. 2 is the flowage structure schematic diagram of static mixing device sewage treatment in Fig. 1.
In figure: 1- sewage collecting tank, 2- sewage vent line, 3- overflow pipe, 4- static mixer, 5- dosing mouth, 6- medicine
Agent tank, 7- agitating device, 8- dosing metering pump, 9- flowmeter, 10- discharge outlet.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings:
A kind of coloured wastewater efficient processing system of regenerated cellulose film, including sewage collecting tank 1, the sewage collecting tank 1
Top be connected to sewage vent line 2, the top of the sewage collecting tank 1 is connected with static mixing device by overflow pipe 3,
The static mixing device includes multiple sequentially connected static mixers 4, and the static mixer 4 is equipped with dosing mouth 5, institute
It states dosing mouth 5 and pharmacy jar 6 is connected with by medicament conveyance conduit.
The static mixing device includes three sequentially connected static mixers 4.The static mixing device passes through curved
Head flange is connect with the overflow pipe 3, and the connection type between the static mixer 4 includes but is not limited to flanged joint, work
Dynamic connection and threaded connection.Agitating device 7 is equipped in the pharmacy jar 6.The dosing mouth 5 includes but is not limited to fast interface.
The static mixing device, which passes through fixed device (not shown) support, to be fixed, and the fixed device can appoint for support frame etc.
Meaning can fix the device of static mixing device, and the static mixing device is at an angle to the horizontal surface setting.The medicament
Conveyance conduit is equipped with dosing metering pump 8 and flowmeter 9.
The static mixer 4 includes but is not limited to SV type static mixer, SK type static mixer, SX type static mixing
Device, SH type static mixer and SL type static mixer.The dosing metering pump 8 includes but is not limited to diaphragm metering pump, screw rod
Metering pump and peristaltic meatering pump.The flowmeter 9 is spinner flowmeter.
Specific embodiment 1:
A kind of coloured wastewater efficient processing method of regenerated cellulose film, comprising the following steps:
(1) solution of certain density decoloring assistant is prepared in pharmacy jar 6 in advance, respectively obtain decoloring assistant solution A,
Decoloring assistant solution B and decoloring assistant solution C, wherein decoloring assistant solution A is the dicyandiamide formaldehyde resin aqueous solution of 3wt%,
Decoloring assistant solution B is the polyaluminum chloride aqueous solution of 3wt%, and decoloring assistant solution C is the anionic polyacrylamide of 1wt%
Aqueous solution (molecular weight 16,000,000), and stirred evenly by agitating device 7；
(2) the coloured sewage that regenerated cellulose film production line generates is flowed into sewage collecting tank 1 by sewage vent line 2
In, sewage overflow amount is determined according to production line actual conditions, and the height of overflow pipe 3 is reached to sewage level in sewage collecting tank 1
Afterwards, start discharge overflow, the coloured sewage that overflow goes out enters static mixing device, into sequentially connected static mixer I, quiet
The decoloring assistant solution of above-mentioned preparation is added by dosing mouth 5 into static mixer I by state mixer II, static mixer III
A, decoloring assistant solution B, the interior decoloration that above-mentioned preparation is added of static mixer III of above-mentioned preparation are added in static mixer II
The additional amount of compounding agent solution C, decoloring assistant solution are adjusted with the variation of Colority of Sewage Water and flow, are shown according to flowmeter 9,
By adjusting dosing metering pump 8, make 3% (volume) of the coloured sewage quantity of the additional amount of decoloring assistant solution A, the decoloration helps
The additional amount of agent solution B is 3% (volume) of coloured sewage quantity, and the additional amount of the decoloring assistant solution C is coloured sewage quantity
1.5% (volume)；
(3) coloured sewage is successively molten with the decoloring assistant in static mixer I, static mixer II, static mixer III
Liquid carries out mixing decoloration, and the water that finally decolourizes is discharged from discharge outlet 10.
After above-mentioned coloured wastewater efficient processing method processing, colored solid is separated from water in coloured sewage, and water colour is saturating
Bright, water-quality COD is low after filtering, and decolorizing effect is good, and decolorization effect is as shown in table 1.
The decolorization effect of 1. embodiment 1 of table
| Index | Before processing | After processing |
| Coloration (extension rate method) | 7500 | 6 |
| COD | 1370 | 89.2 |
Specific embodiment 2:
A kind of coloured wastewater efficient processing method of regenerated cellulose film, comprising the following steps:
(1) solution of certain density decoloring assistant is prepared in pharmacy jar 6 in advance, respectively obtain decoloring assistant solution A,
Decoloring assistant solution B and decoloring assistant solution C, wherein decoloring assistant solution A is the dicyandiamide formaldehyde resin aqueous solution of 2wt%,
Decoloring assistant solution B is the polyaluminum chloride aqueous solution of 2wt%, and decoloring assistant solution C is the nonionic polyacrylamide of 0.9wt%
Amine aqueous solution (molecular weight 8,000,000), and stirred evenly by agitating device 7；
(2) the coloured sewage that regenerated cellulose film production line generates is flowed into sewage collecting tank 1 by sewage vent line 2
In, sewage overflow amount is determined according to production line actual conditions, and the height of overflow pipe 3 is reached to sewage level in sewage collecting tank 1
Afterwards, start discharge overflow, the coloured sewage that overflow goes out enters static mixing device, into sequentially connected static mixer I, quiet
The decoloring assistant solution of above-mentioned preparation is added by dosing mouth 5 into static mixer I by state mixer II, static mixer III
A, decoloring assistant solution B, the interior decoloration that above-mentioned preparation is added of static mixer III of above-mentioned preparation are added in static mixer II
The additional amount of compounding agent solution C, decoloring assistant solution are adjusted with the variation of Colority of Sewage Water and flow, are shown according to flowmeter 9,
By adjusting dosing metering pump 8, make 2% (volume) of the coloured sewage quantity of the additional amount of decoloring assistant solution A, the decoloration helps
The additional amount of agent solution B is 2% (volume) of coloured sewage quantity, and the additional amount of the decoloring assistant solution C is coloured sewage quantity
1% (volume)；
(3) coloured sewage is successively molten with the decoloring assistant in static mixer I, static mixer II, static mixer III
Liquid carries out mixing decoloration, and the water that finally decolourizes is discharged from discharge outlet 10.
After above-mentioned coloured wastewater efficient processing method processing, colored solid is separated from water in coloured sewage, and water colour is saturating
Bright, water-quality COD is low after filtering, and decolorizing effect is good, and decolorization effect is as shown in table 2.
The decolorization effect of 2. embodiment 2 of table
| Index | Before processing | After processing |
| Coloration (extension rate method) | 3000 | 4 |
| COD | 852.3 | 75.38 |
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
1. a kind of coloured wastewater efficient processing system of regenerated cellulose film, which is characterized in that including sewage collecting tank, the sewage
The top of collecting tank is connected to sewage vent line, and the top of the sewage collecting tank is connected with static mixing dress by overflow pipe
It sets, the static mixing device includes multiple sequentially connected static mixers, and the static mixer is equipped with dosing mouth, institute
It states dosing mouth and pharmacy jar is connected with by medicament conveyance conduit.
2. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Static mixing device includes three sequentially connected static mixers.
3. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Static mixing device is connect by elbow flange with the overflow pipe, and the connection type between the static mixer includes but not
It is limited to flanged joint, flexible connection and threaded connection.
4. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Agitating device is equipped in pharmacy jar.
5. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Dosing mouth includes but is not limited to fast interface.
6. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Static mixing device, which passes through fixed device support, to be fixed, and the static mixing device is at an angle to the horizontal surface setting.
7. the coloured wastewater efficient processing system of a kind of regenerated cellulose film according to claim 1, which is characterized in that described
Medicament conveyance conduit is equipped with dosing metering pump and flowmeter.
8. a kind of coloured wastewater efficient processing method of regenerated cellulose film, which is characterized in that using any one of claim 1-7
The coloured wastewater efficient processing system of the regenerated cellulose film, comprising the following steps:
(1) solution that certain density decoloring assistant is prepared in pharmacy jar respectively obtains decoloring assistant solution A, decoloring assistant
Solution B, decoloring assistant solution C；
(2) after the coloured sewage in sewage collecting tank reaches setting liquid level, sequentially connected static mixing is entered by overflow pipe
Decoloring assistant solution A, quiet is added by dosing mouth into static mixer I by device I, static mixer II, static mixer III
The interior addition decoloring assistant solution C of decoloring assistant solution B, static mixer III is added in state mixer II；
(3) coloured sewage is successively mixed with the decoloring assistant solution in static mixer I, static mixer II, static mixer III
Decoloration is closed, water discharge of finally decolourizing.
9. the coloured wastewater efficient processing method of a kind of regenerated cellulose film according to claim 8, which is characterized in that described
Decoloring assistant solution A is dicyandiamide formaldehyde resin solution, and concentration 2-5wt%, the decoloring assistant solution B is aluminium polychloride
Solution, concentration 2-5wt%, the decoloring assistant solution C are polyacrylamide solution, concentration 0.5-1wt%.
10. the coloured wastewater efficient processing method of a kind of regenerated cellulose film according to claim 9, which is characterized in that institute
The additional amount for stating decoloring assistant solution A is the 1.5-3% (volume) of coloured sewage quantity, the additional amount of the decoloring assistant solution B
For the 1.5-3% (volume) of coloured sewage quantity, the additional amount of the decoloring assistant solution C is the 1-2% (body of coloured sewage quantity
Product).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811126232.6A CN109133291A (en) | 2018-09-26 | 2018-09-26 | A kind of coloured wastewater efficient processing system of regenerated cellulose film and method |
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| CN201811126232.6A CN109133291A (en) | 2018-09-26 | 2018-09-26 | A kind of coloured wastewater efficient processing system of regenerated cellulose film and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255722A (en) * | 2019-07-31 | 2019-09-20 | 淮北市菲美得环保科技有限公司 | A kind of dyeing waste water treatment based on immobilized microorganisms agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466768A (en) * | 2013-09-18 | 2013-12-25 | 北京大学 | Floc reflux coagulation process for treating biochemical printing and dyeing effluent |
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2018
- 2018-09-26 CN CN201811126232.6A patent/CN109133291A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466768A (en) * | 2013-09-18 | 2013-12-25 | 北京大学 | Floc reflux coagulation process for treating biochemical printing and dyeing effluent |
Non-Patent Citations (1)
| Title |
|---|
| 赵玉明编著: "《环境工程工艺设计教程》", 31 December 2013, 中国环境科学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255722A (en) * | 2019-07-31 | 2019-09-20 | 淮北市菲美得环保科技有限公司 | A kind of dyeing waste water treatment based on immobilized microorganisms agent and preparation method thereof |
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Address after: No.8019 Xinsha Road, Guti street, Hanting District, Weifang City, Shandong Province Applicant after: SHANDONG HENGLIAN NEW MATERIALS Co.,Ltd. Address before: Dragon Road, 261100 Shandong city of Weifang province Hanting District No. 328 Applicant before: SHANDONG HENGLIAN NEW MATERIALS Co.,Ltd. |
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