An integrated sewage ecological treatment tower
A technology for ecological treatment and water treatment, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. requirements, poor treatment effect, etc., to prevent insufficient lighting and poor ventilation, ensure lighting and ventilation, and achieve good landscape effects
Active Publication Date: 2018-08-07
SHANDONG LYUZHIXING ENVIRONMENT ENG CO LTD
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Problems solved by technology
[0021] ①Large floor area
[0022] ②The water distribution pipes are easy to freeze during the winter freezing period, which seriously affects the operation of the entire system
[0023] ③ The conventional sewage treatment system cannot meet the surface water quality standards, and another site needs to be selected for the construction of artificial wetlands for advanced treatment
Conventional subsurface flow constructed wetlands directly receive domestic or industrial water sources, which are easy to block, have poor treatment effects, and cannot meet the process requirements
Method used
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[0051] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a regulating tank 1, a hydrolytic acidification pond 2, an anoxic pond 3, an aerobic pond 4, and a sedimentation pond 5 in which sewage enters in sequence. The regulating pond 1 is equipped with a grid for removing larger suspended matter in the sewage, and the sewage After regulating tank 1, it is pumped to hydrolytic acidification tank 2 by pump 14. The regulating tank 1 is in the shape of a tower, and the hydrolytic acidification tank 2, the anoxic tank 3, the aerobic tank 4, and the sedimentation tank 5 are located on the top of the regulating tank 1, and the tower body of the regulating tank 1 is provided with a multi-layer connected with the sedimentation tank 5 Subsurface flow wetland water treatment system. The subsurface flow wetland water treatment system includes a water distribution area through which sewage flows sequentially, several subsurface flow wet...
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Abstract
The invention relates to a sewage treatment process, in particular to an integrated sewage ecological treatment tower. Including the regulating pool where the sewage enters in sequence. The regulating pond is in the shape of a tower. The hydrolytic acidification pond, the anoxic pond, the aerobic pond and the sedimentation pond are located on the top of the regulating pond. The subsurface wetland water treatment system includes a water distribution area, several subsurface wetland water treatment units, and a catchment channel. The subsurface wetland water treatment unit includes microbial immobilized fillers, a first-level subsurface wetland, an overflow wall, and a second-level subsurface wetland. The integrated sewage ecological treatment tower of the present invention effectively combines the sewage pretreatment system with the subsurface flow wetland treatment system, utilizes the multi-layer subsurface flow wetland water treatment system, the overflow wall, and the upper distribution water pipe to naturally contact with the air, oxygenate, expose gas, thereby greatly improving the sewage treatment effect.
Description
(1) Technical field [0001] The invention relates to a sewage treatment process, in particular to an integrated sewage ecological treatment tower. (2) Background technology [0002] Modern sewage treatment technology can be divided into primary, secondary and tertiary treatment according to the degree of treatment. [0003] Primary treatment mainly removes suspended solid pollutants in sewage, and most physical treatment methods can only meet the requirements of primary treatment. After primary treatment, BOD can generally be removed by about 30%, which does not meet the discharge standard. Primary treatment belongs to the pretreatment of secondary treatment. [0004] The secondary treatment mainly removes colloidal and dissolved organic pollutants (BOD, COD substances) in the sewage, and the removal rate can reach more than 90%, so that the organic pollutants can meet the discharge standards. [0005] Tertiary treatment, further treatment of refractory organic matter, nit...
Claims
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IPC IPC(8): C02F9/14
Inventor 赵建军李秀芝杨雪郭鹏
Owner SHANDONG LYUZHIXING ENVIRONMENT ENG CO LTD