Sewage treatment system

A sewage treatment system and sewage technology, applied in water/sewage treatment, biological water/sewage treatment, adsorption water/sewage treatment, etc., can solve problems such as poor sewage removal effect, long flocculation time, and poor flocculation effect of chemical flocculants , to achieve the effect of short processing time, good removal effect and rich species

Inactive Publication Date: 2018-12-18
佛山市皓信达建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing sewage treatment method, the flocculation effect of the chemical flocculant is poor and the flocculation time is long, and the removal effect in the sewage is poor

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0036] Embodiment 1: a kind of sewage treatment system, see figure 1 , including a sewage tank 10, a coarse grid 11 and a fine grid 12 for filtering suspended solids and chemical substances in water, a grit chamber 13 for settling sand, a primary sedimentation tank 14, and an adjustment tank for adjusting the pH of sewage 15. Add flocculant to find the pond, carry out solid-liquid separation secondary sedimentation tank 17, anaerobic pond 18 connected with secondary sedimentation pond 17, aerobic pond 19 connected with anaerobic pond 18, and aerobic pond 19 The anoxic pond 20 that connects, the filter device 21 that is connected with the anoxic pond 20, the ecological filter pond 22 that is connected with the filter device 21; The water communicates with the bottom of the filter device 21 through the water inlet pipe 24, and a pressure pump is provided at the bottom of the secondary sedimentation tank 17, and the pressure pump transports the sludge for secondary sedimentation ...

Embodiment 2-5

[0045] Embodiment 2-5: A sewage treatment system, the difference from Embodiment 1 is that the components included and the corresponding parts by weight are shown in Table 1.

[0046] Components and corresponding parts by weight included in Table 1 embodiment 2-5

[0047]

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Abstract

The invention discloses a sewage treatment system, and relates to the technical field of sewage treatment. The system mainly includes a sewage pool, a coarse grid, a grit chamber, a primary sedimentation tank, an adjustment tank, a flocculation tank, a secondary sedimentation tank, an anaerobic tank, an aerobic tank, an anoxic tank, a filtering device and an ecological filter tank, a flocculatingagent is added into the flocculation tank, and the flocculating agent comprises, by weight, 20-45 parts of lignin, 3-7 parts of trioxymethylene, 12-18 parts of triethylenetetramine, 2.5-3 parts of sodium hydroxymethanesulfonate, 6-9 parts of isobutanol, 11-17 parts of 2,3-epoxypropyltrimethylammonium chloride, 5-8 parts of aluminum sulfate, 2.5-3.8 parts of ferrous sulfate, 6-9 parts of zinc chloride and 16-20 parts of polyacrylamide. The system solves the problems of long acting time and poor removal effect of the flocculating agent, and reaches the advantages of fast action and good removaleffect of the flocculating agent.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, more specifically, it relates to a sewage treatment system. Background technique [0002] With the development of the economy and the advancement of urbanization, the discharge of industrial sewage and domestic sewage is also increasing year by year. Generally, there are many enterprises around the rivers in the city, including leather factories, waste engine oil processing factories, electroplating factories and other heavily polluting industries. These enterprises are basically heavy polluting enterprises, such as leather wastewater, with large fluctuations in water quality and quantity, high concentration of suspended solids, easy corruption, large amount of pollution, and wastewater containing toxic compounds such as nitrogen, phosphorus, sulfide and cadmium. The oil spill from the waste engine oil factory also pollutes the water very seriously. Basically, every 1L of engine oil can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F1/52C02F1/54C02F1/56C02F101/10C02F101/16C02F101/20C02F101/30
CPCC02F1/001C02F1/28C02F1/5236C02F1/54C02F1/56C02F1/66C02F3/308C02F3/32C02F9/00C02F2101/105C02F2101/16C02F2101/20C02F2101/30
Inventor 吴永基
Owner 佛山市皓信达建设工程有限公司
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