CN105692963A - Dye effluent purifying method and purifying equipment matched with method - Google Patents
Dye effluent purifying method and purifying equipment matched with method Download PDFInfo
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- CN105692963A CN105692963A CN201610149629.1A CN201610149629A CN105692963A CN 105692963 A CN105692963 A CN 105692963A CN 201610149629 A CN201610149629 A CN 201610149629A CN 105692963 A CN105692963 A CN 105692963A
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- pipeline
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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
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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
- C02F1/001—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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a dye effluent purifying method and purifying equipment matched with the method. The dye effluent purifying method is characterized in that flocculation is conducted on dye effluent, impurities in the dye effluent are removed, when flocculation is conducted, neutralizing treatment is conducted on the dye effluent, the pH value of the dye effluent can be reduced, after flocculation and neutralization are completed, a flocculation aid is added into the dye effluent, flocculation and turbidity removal of the dye effluent are further achieved, and after flocculation aid is completed, clean water is subjected to standing treatment; multistage purification is set, the purification quality of the dye effluent can be effectively improved, and therefore the quality of products in the subsequent production process can be guaranteed.
Description
Technical field
The present invention relates to sewage treatment area, more specifically, it relates to a kind of dye wastewater purification method and the cleaning equipment supporting with it。
Background technology
China is weaving, printing big country, and along with the fast development of modern industry, the dye wastewater of various difficult degradations is increasing, the water that accounting example is maximum in these dye wastewaters。Present stage, waste water from dyestuff was directly carried out degradation treatment by a lot of enterprise, and not only dye wastewater treatment amount is big, and gigantic project of degrading, processing cost is big；And the water in dye wastewater can not be recycled, waste resource。In prior art, wastewater treatment capacity is big, and processing cost is high, but this kind of device composition complexity, original waste water not being easily separated yet, cause wastewater treatment capacity big, processing cost is high；Water resource can not be utilized by Efficient Cycle, cause the wasting of resources。
In order to saving water resource, avoid the occurrence of the wasting of resources, increasing textile enterprise, begins at and installs dye wastewater purifier in Factory Building, but existing dye wastewater purifier, mostly only carry out a subsiding and purifying, cleaning procedure is little, and purification method is simple, and the clean-up effect of dye wastewater is bad, it is used for producing if these purify incomplete water, very easily reduces the quality of product。
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of dye wastewater purification method, it is possible to improve the clean-up effect of dye wastewater and then ensure the quality of product。
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of dye wastewater purification method, the steps include:
The first step, increases amphiprotic chitosan base flocculant in dye wastewater and dye wastewater is carried out flocculation treatment；
Second step, the dye wastewater flocculating complete in the first step increases the complete solution of alkali, and dye wastewater is neutralized process；
3rd step, neutralizing complete dye wastewater in second step increases polysilicon acid titanium, carries out helping solidifying operation, purifies complete；
4th step, carries out standing process by the solution obtained in the 3rd step；
5th step, extracts the supernatant liquid in the 4th step, enters in water storage box, stores for future use。
By adopting technique scheme, by first dye wastewater being flocculated, remove the impurity in dye wastewater, when carrying out flocculation operation, dye wastewater is neutralized process, the acid-base value of dye wastewater can be reduced, flocculation and neutralize complete after, again in dye wastewater increase flocculation aid, further realize coagulation and the turbidity removal of dye wastewater, when help solidifying complete after, again clear water standing is processed, by arranging multistage purification, it is possible to the effective depuration quality improving dye wastewater, and then can ensure that the product quality in subsequent production process。
It is also preferred that the left the complete solution of described alkali is mixed in the ratio of 1:1:1 by sodium carbonate, sodium bicarbonate and potassium bicarbonate。
By adopting technique scheme, sodium carbonate, sodium bicarbonate and potassium bicarbonate is adopted to prepare the complete solution of alkali, it is possible to having very good adaptability, the object of neutralization is many, it is possible to play very good neutralization。
Further object is that a kind of cleaning equipment of offer, it is possible to improve the clean-up effect of waste water from dyestuff, it is ensured that product quality。
A kind of cleaning equipment suitable in above-mentioned dye wastewater purification method, including connected by pipeline for storing the storage pool of dye wastewater, for first class purification tank dye wastewater flocculated and neutralize, for dye wastewater being helped solidifying secondary purification tank, for dye wastewater being carried out three grades of purification pots of settling operation and for storing the water storage box of clear water。
By adopting technique scheme: by arranging first class purification tank, secondary purification tank and three grades of purification pots, it is possible to waste water from dyestuff is carried out multiple times of filtration, improves the clean-up effect of waste water from dyestuff。
It is also preferred that the left described first class purification tank is connected to deslagging pond, it is provided with drainage screen bottom described deslagging pond and is connected by pipeline with storage pool。
By adopting technique scheme, after precipitate enters in deslagging pond, precipitate can be filtered by filter screen, after complete for the moisture filter in precipitate, being shoveled out by precipitate in deslagging pond, the bottom in deslagging pond is connected with storage pool, so, the waste water from dyestuff filtered out can reenter in storage pool, waits to be clean, improves the conversion ratio of purification efficiency and dye wastewater。
It is also preferred that the left described storage pool is located underground, described water storage box is arranged on the support of distance ground 5-10m。
By adopting technique scheme: by water storage box is arranged on eminence, extra water pump need not be increased and carry out the conveying of clear water, it is possible to automatically the clear water in water storage box is pressed in the pipeline of factory by gravity, take at any time, compared to having saved the energy, reduce purification cost。
It is also preferred that the left described three grades of pans being provided with between purification pot and storage tank for storing clear water, between described pans and water storage box, it is provided with conveying pump。
By adopting technique scheme: by arranging pans, it is possible to as the terminal of clear water, store from the clear water reserved in three grades of purification pots, conveniently clear water is delivered in water storage box。
It is also preferred that the left described first class purification tank, secondary purification tank, three grades of purification pots and pans are connected with storage pool each through pipeline。
By adopt technique scheme: when purify complete after want equipment is carried out time, it is possible to pipeline is opened, rinse complete after, waste water can be directly entered in storage tank, waiting extracting next time and proceed to purify, waste water does not result in secondary pollution, very environmental protection。
Preferably, also include the first reagent pot for storing amphiprotic chitosan base flocculant, for storing the second reagent pot of the complete solution of alkali, for storing the 3rd reagent pot of polysilicon acid titanium, described first reagent pot and the second reagent pot are connected by pipeline with first class purification tank, and described 3rd reagent pot and the second purification pot are connected by pipeline。
By adopting technique scheme: it is also preferred that the left described first class purification tank is provided with the material-pumping tube inserted in storage pool, be connected to mateiral pump in described material-pumping tube。
By adopting technique scheme: by arranging mateiral pump, the dye wastewater in storage pool can be drawn in first class purification tank, wait to be clean。
It is also preferred that the left be provided with activated carbon in described tertiary storage tank。
By adopting technique scheme: by arranging activated carbon, can better realize the absorption of clear impurities in water, improve the clean-up effect of clear water, in the forward direction clear water that activated carbon can also adsorb increase flocculation aid and flocculant, reduce the content of chemical substance in clear water。
Accompanying drawing explanation
Fig. 1 is the overall assembled view of embodiment two；
Fig. 2 is the assembled view removing water storage box in Fig. 1；
Fig. 3 is another visual angle installation diagram in Fig. 2。
In figure: 1, storage pool；2, first class purification tank；21, material-pumping tube；211, mateiral pump；3, secondary purification tank；4, three grades of purification pots；5, reagent pot；51, the first reagent pot；52, the second reagent pot；53, the 3rd reagent pot；6, water storage box；7, pans；8, pipeline；81, conveying pump；9, deslagging pond；91, filter screen；10, suction pump。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail。
Embodiment one:
A kind of dye wastewater purification method, the steps include: first, dye wastewater is carried out flocculation treatment, dye wastewater is drawn in first class purification tank 2 by mateiral pump 211, extract complete after, in dye wastewater, increase amphiprotic chitosan base flocculant dye wastewater is carried out flocculation treatment, realize the preliminary purification of dye wastewater, amphiprotic chitosan base flocculant has the moon concurrently, cation dual characteristics, it is used not only for removing the pollutant with different electric charges, and its pH scope of application, complexing power, the water treatmenting performances such as salt-resistance all have notable reinforcement, it it is the flocculant that the performance being currently known is very excellent, its concrete preparation method and performance, it is referred to " the flocculating property research of the chitosan-based flocculant of new type amphoteric type and the fractal theory correction to flocculation kinetics model " literary composition of the large doctor of Nanjing University Yang Zhen, belong to prior art, do not repeat them here。Certainly, neutralize and flocculation can operate simultaneously, increase response speed。
Subsequently, the complete solution of alkali is increased again in first class purification tank 2, dye wastewater is neutralized process, owing to dye wastewater is in weakly acidic, therefore, adopt the complete solution of alkali, dye wastewater can be neutralized, add this step of neutralization, it is possible to better realize the purification of dye wastewater, reduce the acidity of dye wastewater, serve better clean-up effect。In the present embodiment, the complete solution of alkali is mixed in the ratio of 1:1:1 by sodium carbonate, sodium bicarbonate and potassium bicarbonate, sodium carbonate, sodium bicarbonate and potassium bicarbonate is adopted to prepare the complete solution of alkali, can have very good adaptability, the object neutralized is many, it is possible to play very good neutralization。
Flocculation and neutralize complete after, polysilicon acid titanium is increased to dye wastewater, carry out helping solidifying operation, by adopting polysilicon acid titanium as flocculation aid, improve coagulation turbidity removing effect and widened the scope of effective coagulation pH value, being the flocculation aid that the performance being currently known is very excellent, its concrete preparation method and performance are referred in " the environmental project journal " of the 5th phase in 2015 " polysilicon acid titanium preparation and help solidifying characteristic " literary composition, belong to prior art, do not repeat them here。
Help solidifying complete after, dye wastewater purify complete, become the clear water that can reuse。
Owing to only having carried out a flocculation operation, therefore, in clear water, some tiny impurity can still be remained, process therefore, it is also desirable to clear water to be carried out once standing again, the clear water obtained in previous step is put into three grades of purification pots 4, the interior impurity enabling clear water precipitates, after standing a period of time, then extract the supernatant liquid in the 4th step, enter in water storage box 6, store for future use, purify complete, when needs are printed and dyed, it is possible to directly use the clear water that the purification in water storage box 6 is complete。
By first dye wastewater being flocculated, remove the impurity in dye wastewater, when carrying out flocculation operation, dye wastewater is neutralized process, the acid-base value of dye wastewater can be reduced, flocculation and neutralize complete after, flocculation aid is increased again in dye wastewater, further realize coagulation and the turbidity removal of dye wastewater, when help solidifying complete after, then by clear water standing process, by arranging multistage purification, can effectively improve the depuration quality of dye wastewater, and then can ensure that the product quality in subsequent production process。
Embodiment two:
A kind of cleaning equipment suitable in above-mentioned dye wastewater purification method, including storage pool, first class purification tank 2, secondary purification tank 3, three grades of purification pots 4 and water storage box 6, each unit is connected in turn by pipeline 8, also include the first reagent pot 51 increasing flocculant in oriented first class purification tank 2, in first class purification tank 2, increase the second reagent pot 52 of the complete solution of alkali and in secondary purification tank 3, increase the 3rd reagent pot 53 of flocculation aid, wherein, storage pool is used for storing waste water from dyestuff, first class purification tank 2 is connected by material-pumping tube 21 with storage pool, material-pumping tube 21 inserts in storage pool, mateiral pump 211 it is connected in material-pumping tube 21, by arranging mateiral pump 211, can the dye wastewater in storage pool be drawn in first class purification tank 2, etc. to be clean, for the first class purification tank 2 dye wastewater flocculated and neutralize, for dye wastewater being helped solidifying secondary purification tank 3, for dye wastewater being carried out three grades of purification pots 4 of settling operation, and for storing the water storage box 6 of clear water,
In standing operation, in order to better realize the standing of clear water, it is provided with activated carbon in tertiary storage tank, by arranging activated carbon, can better realize the absorption of clear impurities in water, improve the clean-up effect of clear water, in the forward direction clear water that activated carbon can also adsorb increase flocculation aid and flocculant, reduce the content of chemical substance in clear water。
First class purification tank 2 is connected to deslagging pond 9, it is provided with pipeline 8 in the bottom of first class purification tank 2, the opening alignment deslagging pond 9 of pipeline 8, by arranging pipeline 8 in the bottom of first class purification tank 2, by dye wastewater, the precipitate bottom first class purification tank 2 can be discharged, do not need extra power, drainage screen 91 it is provided with bottom deslagging pond 9, after precipitate enters in deslagging pond 9, precipitate can be filtered by filter screen 91, after complete for the moisture filter in precipitate, precipitate is shoveled out in deslagging pond 9, the bottom in deslagging pond 9 is connected with storage pool, so, the waste water from dyestuff filtered out can reenter in storage pool, etc. to be clean, improve the conversion ratio of purification efficiency and dye wastewater。
In order to save installing space, storage pool is arranged on underground, so it is possible not only to the dye wastewater that storage is more, water storage box 6 is arranged on the support of distance ground 5-10m, by water storage box 6 is arranged on eminence, it is not necessary to increase extra water pump and carry out the conveying of clear water, gravity can be passed through automatically be pressed into by the clear water in water storage box 6 in the pipeline of factory, take at any time, compared to having saved the energy, reduce purification cost。The pans 7 for storing clear water it are provided with between three grades of purification pots 4 and storage tank, pipeline 8 it is provided with between pans 7 and water storage box 6, conveying pump 81 it is connected in pipeline 8, by arranging pans 7, can as the terminal of clear water, store from the clear water reserved in three grades of purification pots 4, conveniently clear water is delivered in water storage box 6。
First class purification tank 2,3, three grades of purification pots 4 of secondary purification tank and pans 7 are connected with storage pool each through pipeline 8。Pipeline 8 is arranged on the bottom of first class purification tank 2,3, three grades of purification pots 4 of secondary purification tank and pans 7, in normal operation, here pipeline 8 is in closed mode, when purify complete after want equipment is carried out time, it is possible to pipeline 8 is opened, rinse complete after, waste water can be directly entered in storage tank, waiting extracting next time and proceed to purify, waste water does not result in secondary pollution, very environmental protection。
Wherein, first reagent pot 51 is for storing amphiprotic chitosan base flocculant, second reagent pot 52 is used for storing the complete solution of alkali, 3rd reagent pot 53 is used for storing polysilicon acid titanium, first reagent pot 51 and the second reagent pot 52 are connected by pipeline with first class purification tank 2, 3rd reagent pot 53 is connected by pipeline with the second purification pot, in order in the convenient purification pot that reagent in reagent pot 5 is added to correspondence, at the first reagent pot 51, on second reagent pot 52 and the 3rd reagent pot 53, it is mounted on the suction pump 10 of correspondence, when purifying, suction pump 10 can by the reagent aspiration in reagent pot 5, join in the purification pot of correspondence, realize the purification of dye wastewater, by arranging the first reagent pot 51, second reagent pot 52 and the 3rd reagent pot 53, facilitate staff's dosing when operation, very hommization。
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention。It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention。
Claims (10)
1. a dye wastewater purification method, it is characterised in that: the steps include:
The first step, increases amphiprotic chitosan base flocculant in dye wastewater and dye wastewater is carried out flocculation treatment；
Second step, the dye wastewater flocculating complete in the first step increases the complete solution of alkali, and dye wastewater is neutralized process；
3rd step, neutralizing complete dye wastewater in second step increases polysilicon acid titanium, carries out helping solidifying operation, purifies complete；
4th step, carries out standing process by the solution obtained in the 3rd step；
5th step, extracts the supernatant liquid in the 4th step, enters in water storage box (6), stores for future use。
2. dye wastewater purification method according to claim 1, it is characterised in that: the complete solution of described alkali is mixed in the ratio of 1:1:1 by sodium carbonate, sodium bicarbonate and potassium bicarbonate。
3. be applicable to a cleaning equipment for above-mentioned dye wastewater purification method, be characterised by: include by pipeline (8) connect for storing the storage pool (1) of dye wastewater, for the first class purification tank (2) dye wastewater being flocculated and neutralizing, for dye wastewater being helped solidifying secondary purification tank (3), for dye wastewater being carried out three grades of purification pots (4) of settling operation and being used for storing the water storage box (6) of clear water。
4. cleaning equipment according to claim 3, it is characterized in that: described first class purification tank (2) is connected to deslagging pond (9), described deslagging pond (9) bottom is provided with drainage screen (91) and is connected by pipeline (8) with storage pool。
5. the cleaning equipment according to claim 3 or 4, it is characterised in that: described storage pool is located underground, and described water storage box (6) is arranged on the support of distance ground 5-10m。
6. cleaning equipment according to claim 5, it is characterized in that: be provided with the pans (7) for storing clear water between described three grades of purification pots (4) and storage tank, between described pans (7) and water storage box (6), be provided with conveying pump (81)。
7. cleaning equipment according to claim 6, it is characterised in that: described first class purification tank (2), secondary purification tank (3), three grades of purification pots (4) and pans (7) are connected with storage pool each through pipeline (8)。
8. cleaning equipment according to claim 3, it is characterized in that: also include the first reagent pot (51) for storing amphiprotic chitosan base flocculant, for storing second reagent pot (52) of the complete solution of alkali, for storing the 3rd reagent pot (53) of polysilicon acid titanium, described first reagent pot (51) and the second reagent pot (52) are connected by pipeline with first class purification tank (2), and described 3rd reagent pot (53) is connected by pipeline with the second purification pot。
9. cleaning equipment according to claim 8, it is characterized in that: described first class purification tank (2) is provided with the material-pumping tube (21) inserted in storage pool (1), is connected to mateiral pump (211) in described material-pumping tube (21)。
10. cleaning equipment according to claim 3, it is characterised in that: it is provided with activated carbon in described tertiary storage tank。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149629.1A CN105692963A (en) | 2016-03-16 | 2016-03-16 | Dye effluent purifying method and purifying equipment matched with method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610149629.1A CN105692963A (en) | 2016-03-16 | 2016-03-16 | Dye effluent purifying method and purifying equipment matched with method |
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| CN105692963A true CN105692963A (en) | 2016-06-22 |
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| CN201610149629.1A Pending CN105692963A (en) | 2016-03-16 | 2016-03-16 | Dye effluent purifying method and purifying equipment matched with method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107188359A (en) * | 2017-07-19 | 2017-09-22 | 何汉斌 | A kind of chemical engineering sewage filter apparatus of automatic washing screen pack |
| CN107552010A (en) * | 2017-09-28 | 2018-01-09 | 陕西海恩得工贸有限公司 | A kind of preparation method of titanium silicate chitosan absorbent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188359A (en) * | 2017-07-19 | 2017-09-22 | 何汉斌 | A kind of chemical engineering sewage filter apparatus of automatic washing screen pack |
| CN107552010A (en) * | 2017-09-28 | 2018-01-09 | 陕西海恩得工贸有限公司 | A kind of preparation method of titanium silicate chitosan absorbent |
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Application publication date: 20160622 |