A kind of trade effluent biological desalination reprocessing cycle Zero discharging systemTechnical field
The utility model relates to sewage treatment area, is specially a kind of trade effluent biological desalination reprocessing cycle Zero discharging system.
Background technology
In a lot of industrial production, especially in steel industry, whole nation steel industry pickling every day hydrochloric acid 2,000 ten thousand tons, washing process in pickling, phosphating process flow process can produce a large amount of containing acid, brine waste, water consumption is about 2000(ten thousand tons) * (300) sky, conventional sewage treatment equipment employing microbial film process and repeatedly evaporation process, but the dense water in whole production process cannot pass through the process of microbial film facture, more than two time evaporation process energy consumption is high, do not meet the road of Sustainable development, the requirement of zero release can not be met.
Summary of the invention
The purpose of this utility model is to provide a kind of trade effluent biological desalination reprocessing cycle Zero discharging system, to solve the problem proposed in above-mentioned background technology.Realize the object of the recycling utilization of industrial brine waste, administer with discharge of wastewater per ton take, industrial process waters take and the expense such as ecological environment treatment by 25 yuan/ton of calculating, the annual attainable economy of this patent, environment and social benefit will be with Renminbi hundred billion yuan calculating.
For achieving the above object, the utility model provides following technical scheme: a kind of trade effluent biological desalination reprocessing cycle Zero discharging system, comprise the solid salt pond of aerobic catalysis, first sediment backflow pool, double oxygen degraded pond, second sediment backflow pool, anaerobic acidification pond and active reduction pond, the solid salt pond of described aerobic catalysis is connected by the first sediment backflow pool and double oxygen pond of degrading, described double oxygen degraded pond is connected with anaerobic acidification pond by the second sediment backflow pool, described anaerobic acidification pond water outlet is connected with active reduction pond by pipeline, described active reduction pond is connected with salt solution transfer equipment by pipeline, described salt solution transfer equipment correspondence position is also provided with catalytic unit, described salt solution transfer equipment water outlet is connected with middle desalt unit with middle water ultrafiltration unit successively by getting liquid pump, described middle desalt unit water outlet is provided with reuse water tank, described reuse water tank one end is connected with anaerobic acidification pond.
Preferably, described catalytic unit is photocatalysis apparatus.
Preferably, described salt solution transfer equipment is halophilic bacterium transfer equipment.
Preferably, described middle water ultrafiltration unit water inlet is provided with middle water sterilizing water tank.
Preferably, the solid salt pond of described aerobic catalysis, the first sediment backflow pool, hold concurrently oxygen degraded pond, the second sediment backflow pool, anaerobic acidification pond, active reduction pond and salt solution transfer equipment side are provided with inspection gallery.
Compared with prior art, the beneficial effects of the utility model are: this trade effluent biological desalination reprocessing cycle Zero discharging system, first microbial film desalination is adopted, the heterogeneity in waste water is processed respectively by different types of microorganism, the sediment produced in process is by the process of sediment backflow pool, waste water after microbiological deterioration is by salt solution transfer equipment and the further desalination of catalytic unit, water after desalination again after moderate water apparatus group repeatedly processes as the beginning of whole device water cycle, for promoting the flowing of water, energy-conservation effect can be reached, expense can also be reduced, annual water rate is allowed to reduce 8.5(unit) * 2000(ten thousand tons) * 300(days), this technology brings considerable economic benefit, and achieve the standard of zero release.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: hold concurrently oxygen degraded ponds, 4 second sediment backflow pools, 5 anaerobic acidification ponds, 6 active reduction ponds, 7 catalytic units, 8 salt solution transfer equipments, 9 of the solid salt pond of 1 aerobic catalysis, 2 first sediment backflow pools, 3 to get in liquid pump, 10 desalt unit, 12 reuse water tanks in water ultrafiltration unit, 11.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of trade effluent biological desalination reprocessing cycle Zero discharging system, comprise the solid salt pond 1 of aerobic catalysis, first sediment backflow pool 2, double oxygen degraded pond 3, second sediment backflow pool 4, anaerobic acidification pond 5 and active reduction pond 6, the solid salt pond 1 of aerobic catalysis is connected by the first sediment backflow pool 2 and double oxygen pond 3 of degrading, double oxygen degraded pond 3 is connected with anaerobic acidification pond 5 by the second sediment backflow pool 4, sediment backflow pool can to the Solid state fermentation produced in the processes such as degraded, anaerobic acidification pond 5 water outlet is connected with active reduction pond 6 by pipeline, active reduction pond 6 is connected with salt solution transfer equipment 8 by pipeline, salt solution transfer equipment 8 is halophilic bacterium transfer equipment, effectively can process a large amount of salinities in waste water, salt solution transfer equipment 8 correspondence position is also provided with catalytic unit 7, catalytic unit 7 is photocatalysis apparatus, the speed of fast response can be added, salt solution transfer equipment 8 water outlet is connected with middle desalt unit 11 with middle water ultrafiltration unit 10 successively by getting liquid pump 9, middle water ultrafilter 10 groups of water inlets are provided with middle water sterilizing water tank, microorganism in process water, in order to avoid affect follow-up degraded work, middle desalt unit 11 water outlet is provided with reuse water tank 12, the water reclaimed collected by reuse water tank 12, reuse water tank 12 one end is connected with anaerobic acidification pond 5, water is pushed to anaerobic acidification pond 5, to be used for ensureing whole device water cycle, the solid salt pond 1 of aerobic catalysis, first sediment backflow pool 2, double oxygen degraded pond 3, second sediment backflow pool 4, anaerobic acidification pond 5, active reduction pond 6 and salt solution transfer equipment 8 side are provided with inspection gallery, can be placed under repair when going wrong work timely, first microbial film desalination is adopted, the heterogeneity in waste water is processed respectively by different types of microorganism, the sediment produced in process is by the process of sediment backflow pool, waste water after microbiological deterioration is by salt solution transfer equipment 8 and catalytic unit 7 desalination further, water after desalination again after moderate water apparatus group repeatedly processes as the beginning of whole device water cycle, for promoting the flowing of water, achieve the standard of zero release.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.