CN204999771U - Refractory wastewater's processing system - Google Patents
Refractory wastewater's processing system Download PDFInfo
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- CN204999771U CN204999771U CN201520659865.9U CN201520659865U CN204999771U CN 204999771 U CN204999771 U CN 204999771U CN 201520659865 U CN201520659865 U CN 201520659865U CN 204999771 U CN204999771 U CN 204999771U
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Abstract
The utility model discloses a refractory wastewater's processing system, include the sedimentation tank, colating filter, two interior electrolytic reaction ware, anaerobic organism filtering pond, aerobe filtering pond and the precision filter that connect gradually through the pipeline, be connected with charge device on the sedimentation tank, be provided with a plurality of screen pipe in the colating filter, electrolysis reactor loads the filler of compriseing indisputable copper carbon in two, become reconciled and has all loaded the mao bamboo in the oxygen biological filter and pack in the anaerobic organism filtering pond. This system is applicable to refractory wastewater, has advantages such as investment and working costs are low, the treatment effect is good, operation maintenance is convenient.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, especially a kind for the treatment of system of used water difficult to degradate.
Background technology
Used water difficult to degradate mainly refers to dyeing waste water, coking chemical waste water, pharmacy waste water etc., is characterized in that Pollutant levels are high, colourity is large, salinity is high, and containing the objectionable impurities such as heavy metal and polycyclic aromatic hydrocarbons, biodegradability is poor.General dyeing waste water pH is 6 ~ 13, and colourity is up to 1000 times, and COD is 400 ~ 4000mg/L.According to biochemical or other these type of sewage of single technology process, not only cost is large economically, and also difficulty reaches good treatment effect simultaneously.
For Processing Technology Research and the engineering practice of used water difficult to degradate, can find mainly there is following problem: the efficiency of (1) ordinary method process waste water is not high, some toxic compound is difficult to remove, and water outlet really can not reach emission standard; (2) some special process or facility investment are comparatively large, and the cost of process waste water is higher, is difficult to apply; (3) system is comparatively complicated, and operation requires higher, and stability is to be improved.
Micro-electrolysis method is the technique utilizing Principles of Metal Erosion formation galvanic cell to process waste water, also known as internal electrolysis, core-loss shape etc.In recent years, the method is widely used in the process of printing and dyeing, heavy metal, pharmacy, oil field waste, has the advantage that use range is wide, technique is simple, treatment effect is good, and the process for high salinity, high COD, high-colour intensity wastewater has clear superiority.
The micro-electrolysis material that weak electrolysis mechanism adopts traditionally is generally iron filings and charcoal, soda acid activation will be added before using, be easy to passivation in the process used harden, again because iron and charcoal are physical contacts, between be easy to formed sealing coat, light electrolysis can not be proceeded and ineffective, which results in and change micro-electrolysis material continually, not only the large cost height of workload also affects treatment effect and the efficiency of waste water.In addition, traditional micro-electrolysis material surface-area is too little also makes wastewater treatment need long time, and add a ton water cost of investment, this has all had a strong impact on utilization and the popularization of weak electrolysis mechanism.
Summary of the invention
Problem to be solved in the utility model is to provide a kind for the treatment of system of used water difficult to degradate, makes investment and the advantage such as working cost is low, treatment effect is good, convenient operating maintenance.
In order to solve above technical problem, the technical scheme that the utility model adopts is: a kind for the treatment of system of used water difficult to degradate, comprise the settling tank, coarse filtration strainer, two Inner electrolysis reactor, anaerobic biofilter, aerobic biofilter and the accurate filter that are connected successively by pipeline, described settling tank is connected with chemicals dosing plant, several screen pipes are provided with in described coarse filtration strainer, be filled with the filler of iron copper carbon composition in described pair of Inner electrolysis reactor, in described anaerobic biofilter and aerobic biofilter, be all filled with mao bamboon filler.
As preferably, described screen pipe is many sleeve pipes screen pipe, and described many sleeve pipes screen pipe is made up of inner layer screen chimney filter, middle level screen pipe and outer screen pipe.
As preferably, the pore size filter of described outer screen pipe is maximum, and the pore size filter of inner layer screen chimney filter is minimum.
As preferably, described pair of Inner electrolysis reactor bottom is provided with water-in, and top is provided with water outlet, and top is provided with backwash mouth, and backwash mouth is connected with backwash water distributor, is also provided with inlet mouth below filler, and inlet mouth is connected with gas distribution pipe.
As preferably, the gas distribution pipe of described pair of Inner electrolysis reactor and backwash water distributor are the dendritic or planar grille shape structure of plane.
As preferably, the mao bamboon filler in described anaerobic biofilter is the Mao bamboo tube group that joint is got through in the peeling of vertically placing, and the mao bamboon filler in described aerobic biofilter is bamboo plate.
As preferably, the bottom of described aerobic biofilter is provided with aeration head, and described aeration head is connected with aerator.
As preferably, sewage draining exit is provided with bottom described settling tank, described coarse filtration filter bottom is provided with sewage draining exit, sewage draining exit is provided with below the barrel of described pair of Inner electrolysis reactor, the bottom of described anaerobic biofilter and aerobic biofilter is provided with sewage draining exit, described all sewage draining exits are all connected on blow-off pipe, and the other end of described blow-off pipe is connected to sewage sludge storage pond.
As preferably, described chemicals dosing plant comprises acid solution chemicals dosing plant and coagulation dosing device.
The beneficial effects of the utility model are:
1, the filler of iron content copper carbon is adopted in two Inner electrolysis reactor, form iron copper, the two kinds of Inner electrolysis reactions of iron carbon, there is, the feature such as wide accommodation, expense low, non-secondary pollution high to organic removal rate, the difficult problem fundamentally solve the easy passivation of common iron copper carbon mixed fillers, hardening and block.
2, native system uses Inner electrolysis reaction Persistent organic pollutants in waste water can be reduced and is converted into easy degradable organic pollutant, improves the biodegradability of waste water, thus improves the efficiency of anaerobic-aerobic biological treatment.
3, coarse filtration strainer adopts many sleeve pipes screen pipe, former water is filtered through multi-gradient, makes efficient mud-water separation.
4, load mao bamboon filler in anaerobic-aerobic biological filter, mao bamboon filler is good biological bacteria room, and biofilm is firm, and microbial film is not easy to come off; And mao bamboon cost is low, good stability.
5, native system is applicable to used water difficult to degradate, and as large in organic concentration, high toxicity, high chroma, difficult biochemical etc. waste water, can be widely used in the process of all types of industries waste water such as printing and dyeing, chemical industry, plating, pulping and paper-making, pharmacy, agricultural chemicals, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of two Inner electrolysis reactor in the utility model.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment
As shown in Figure 1, a kind for the treatment of system of used water difficult to degradate, comprises the settling tank 1, coarse filtration strainer 2, two Inner electrolysis reactor 3, anaerobic biofilter 4, aerobic biofilter 5 and the accurate filter 6 that are connected successively by pipeline.Settling tank 1 is connected with chemicals dosing plant, comprises acid solution chemicals dosing plant 11 and coagulation dosing device 12, bottom settling tank, be provided with sewage draining exit 13; Several screen pipes 21 are provided with in coarse filtration strainer 2, screen pipe is many sleeve pipes screen pipe, described many sleeve pipes screen pipe is made up of inner layer screen chimney filter, middle level screen pipe and outer screen pipe, the pore size filter of its mesectoderm screen pipe is maximum, the pore size filter of inner layer screen chimney filter is minimum, and the bottom of coarse filtration strainer 2 is provided with sewage draining exit 22.
As shown in Figure 2, the filler 31 of iron copper carbon composition is filled with in two Inner electrolysis reactor 3, water-in 32 is provided with bottom it, top is provided with water outlet 33, is provided with sewage draining exit 34 below barrel, and top is provided with backwash mouth 35, backwash mouth 35 is connected with backwash water distributor 36, also be provided with inlet mouth 37 below filler 31, inlet mouth 37 is connected with gas distribution pipe 38, and gas distribution pipe 38 and backwash water distributor 36 be dendritic or planar grille shape structure in plane.
Mao bamboon filler is all filled with in anaerobic biofilter 4 and aerobic biofilter 5, mao bamboon filler wherein in anaerobic biofilter 4 is the Mao bamboo tube group 41 that joint is got through in the peeling of vertically placing, mao bamboon filler in aerobic biofilter 5 is bamboo plate 51, the bottom of aerobic biofilter 5 is provided with aeration head 52, and described aeration head 52 is connected with aerator 53.Be provided with sewage draining exit 42 bottom anaerobic biofilter 4, the bottom of aerobic biofilter 5 is provided with sewage draining exit 54.
Sewage draining exit 13, sewage draining exit 22, sewage draining exit 34, sewage draining exit 42 and sewage draining exit 54 are connected on blow-off pipe 7, and the other end of blow-off pipe 7 is connected to sewage sludge storage pond 8.
Waste water flows in settling tank 1 by the road, after acid solution chemicals dosing plant 11 and coagulation dosing device 12 dosing, coagulating sedimentation, supernatant liquor is sent in coarse filtration strainer 2 by the road, further macrobead suspended matter is removed, water outlet enters two Inner electrolysis reactor 3 from bottom to top, the microbattery system of countless iron copper and iron carbon is formed in reactor, its principle of work processes waste water based on the acting in conjunction of electrochemistry, oxidation-reduction, physical adsorption and flocculation sediment, the nascent state [H], the Fe that produce in treating processes
2+etc. can with the many component generation redox reactions in waste water, than if destroy chromophoric group or auxochrome group, the even chain rupture of the coloring matter in waste water, reach the effect of degradation and decolorization; The Fe generated
2+be oxidized to Fe further
3+, the hydroxide colloid particle of amounts of insoluble iron has very strong Coagulation and Adsorption effect, by surface complexation and Adsorption pollutent; After two Inner electrolysis reactor 3, eliminate the poisonous and hazardous hard-degraded substance of microorganism, improve wastewater biodegradability, for subsequent biological treatment creates good condition.Water outlet enters anaerobic biofilter 4, and under anaerobic, insoluble hydrolysis of organic matter is dissolved organic matter by anerobe, the macromolecular substance of difficult for biological degradation is converted into the small-molecule substance of readily biodegradable; Water outlet enters aerobic biofilter 5, and after aerating apparatus aeration, aerobic microbiological carries out aerobic reaction, removes the COD in water and carries out nitration reaction, and reduce ammonia-nitrogen content, water outlet meets emission standard; Water outlet is filtered finally by accurate filter 6, and water conditioning reaches sewage drainage standard.
Claims (9)
1. the treatment system of a used water difficult to degradate, comprise the settling tank, coarse filtration strainer, two Inner electrolysis reactor, anaerobic biofilter, aerobic biofilter and the accurate filter that are connected successively by pipeline, described settling tank is connected with chemicals dosing plant, it is characterized in that: in described coarse filtration strainer, be provided with several screen pipes, be filled with the filler of iron copper carbon composition in described pair of Inner electrolysis reactor, in described anaerobic biofilter and aerobic biofilter, be all filled with mao bamboon filler.
2. the treatment system of a kind of used water difficult to degradate according to claim 1, is characterized in that: described screen pipe is many sleeve pipes screen pipe, and described many sleeve pipes screen pipe is made up of inner layer screen chimney filter, middle level screen pipe and outer screen pipe.
3. the treatment system of a kind of used water difficult to degradate according to claim 2, is characterized in that: the pore size filter of described outer screen pipe is maximum, and the pore size filter of inner layer screen chimney filter is minimum.
4. the treatment system of a kind of used water difficult to degradate according to claim 1 or 3, it is characterized in that: described pair of Inner electrolysis reactor bottom is provided with water-in, top is provided with water outlet, top is provided with backwash mouth, backwash mouth is connected with backwash water distributor, also be provided with inlet mouth below filler, inlet mouth is connected with gas distribution pipe.
5. the treatment system of a kind of used water difficult to degradate according to claim 4, is characterized in that: the gas distribution pipe of described pair of Inner electrolysis reactor and backwash water distributor are the dendritic or planar grille shape structure of plane.
6. the treatment system of a kind of used water difficult to degradate according to claim 5, is characterized in that: the mao bamboon filler in described anaerobic biofilter is the Mao bamboo tube group that joint is got through in the peeling of vertically placing, and the mao bamboon filler in described aerobic biofilter is bamboo plate.
7. the treatment system of a kind of used water difficult to degradate according to claim 6, it is characterized in that: the bottom of described aerobic biofilter is provided with aeration head, described aeration head is connected with aerator.
8. the treatment system of a kind of used water difficult to degradate according to claim 7, it is characterized in that: bottom described settling tank, be provided with sewage draining exit, described coarse filtration filter bottom is provided with sewage draining exit, sewage draining exit is provided with below the barrel of described pair of Inner electrolysis reactor, the bottom of described anaerobic biofilter and aerobic biofilter is provided with sewage draining exit, described all sewage draining exits are all connected on blow-off pipe, and the other end of described blow-off pipe is connected to sewage sludge storage pond.
9. the treatment system of a kind of used water difficult to degradate according to claim 1, is characterized in that: described chemicals dosing plant comprises acid solution chemicals dosing plant and coagulation dosing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659865.9U CN204999771U (en) | 2015-08-29 | 2015-08-29 | Refractory wastewater's processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520659865.9U CN204999771U (en) | 2015-08-29 | 2015-08-29 | Refractory wastewater's processing system |
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| CN204999771U true CN204999771U (en) | 2016-01-27 |
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| CN201520659865.9U Expired - Fee Related CN204999771U (en) | 2015-08-29 | 2015-08-29 | Refractory wastewater's processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233247A (en) * | 2018-11-29 | 2020-06-05 | 浙江晶泉水处理设备有限公司 | A combined system for treating printing and dyeing wastewater |
| CN111517581A (en) * | 2020-05-14 | 2020-08-11 | 逸辰环保科技(厦门)有限公司 | Chemical nickel wastewater treatment system and treatment process |
-
2015
- 2015-08-29 CN CN201520659865.9U patent/CN204999771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233247A (en) * | 2018-11-29 | 2020-06-05 | 浙江晶泉水处理设备有限公司 | A combined system for treating printing and dyeing wastewater |
| CN111517581A (en) * | 2020-05-14 | 2020-08-11 | 逸辰环保科技(厦门)有限公司 | Chemical nickel wastewater treatment system and treatment process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20210829 |