Sewage treatment technology process and equipment

A technology for wastewater treatment and process flow, applied in biological water/sewage treatment, water/sludge/sewage treatment, aerobic process treatment, etc. The process is stable and reliable, the maintenance cost is reduced, and the oxygen supply is sufficient.

Inactive Publication Date: 2013-01-09
李宾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing wastewater treatment technologies based on biological methods mainly include activated sludge method and biological filter method. Although the above methods have been widely used, they generally have the following disadvantages: poor adaptability to impact loads, and prone to sludge swelling; It is easily affected by environmental temperature, wind and other factors, causing blockage, resulting in microbial hypoxia, and seriously affecting the treatment effect
Moreover, the above-mentioned technical solution occupies a large area, and the cost of infrastructure and operation is relatively high.

Method used

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  • Sewage treatment technology process and equipment
  • Sewage treatment technology process and equipment
  • Sewage treatment technology process and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This example is the experimental equipment and process flow of wastewater treatment in a rice noodle factory. The main pollutants in the wastewater are shown in Attached Table 1.

[0032] The experimental equipment of wastewater treatment described in this embodiment is as figure 1 As shown, the process adopts a two-stage series working mode, and the design flow rate of sewage treatment is: 3M 3 / h.

[0033] The wastewater treatment equipment described in this embodiment includes a sewage tank 1, a first-stage swirl spray tank 4, a first-stage microbial treatment tank 8, a second-stage swirl spray tank 24, a second-stage microbial treatment tank 28, a desliming Pool 11 etc., its structure is as figure 1 shown.

[0034] The sewage pool 1 is the sewage pool in the prior art, which is used to adjust the peak flow of sewage and balance the fluctuation of sewage concentration.

[0035] The inside of the first stage swirl jet tank 4 is cylindrical, and its effective volum...

Embodiment 2

[0065] This example is a design scheme for the transformation of wastewater treatment facilities in a pig farm. In view of the quality of wastewater, the wastewater treatment equipment and process described in this example adopt a four-stage series working mode, and the designed daily treatment capacity is: 100m 3 / sky.

[0066] The waste water treatment equipment described in this embodiment is to transform the original four waste water treatment ponds, one waste water pond and one desilting pond on site to form a waste water pond, a first-stage aeration tank, that is, a first-stage swirl spray tank 4. The first-stage microbial treatment tank 8. The second-stage aeration tank is the second-stage swirl jet tank, the second-stage microbial treatment tank, the third-stage aeration tank is the third-stage swirl jet tank, and the third-stage Microbial treatment tanks, fourth-stage aeration tanks, namely fourth-stage swirl jet tanks, fourth-stage microbial treatment tanks, desiltin...

Embodiment 3

[0089] The wastewater treatment equipment and technological process described in this embodiment are suitable for large-scale urban wastewater treatment plants, adopting a two-stage series working mode, and the designed flow rate is: 100,000 cubic meters per day.

[0090] The wastewater treatment equipment described in this embodiment includes a sewage tank 1, a first-stage swirl spray tank 4, a first-stage microbial treatment tank 8, a second-stage swirl spray tank 24, a second-stage microbial treatment tank 28, a desliming pool 11 etc., see image 3 , wherein the sewage pool 1 is the sewage pool in the prior art, which is used to adjust the peak flow of sewage and balance the fluctuation of sewage concentration.

[0091] The inside of the first-stage swirl spray tank 4 is cylindrical, and its effective volume is 80,000 cubic meters. There are 15 source water inlets evenly distributed on the bottom of its side wall, and 15 source water inlets are evenly distributed on the top...

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Abstract

An apparatus for treating sewage by removing organic substances, oil, grease, P, N, BOD, COD and SS and decreasing the generation of sludge is composed of aerating tanks with aerating unit, microbial treating tanks with internal medium layer for attaching microbes to it and the spray unit on its top, the spray pumps in the connecting pipelines, and the cyclone sprayer in the pipeline between spray pump and spray unit. Its treating process features that the spray pump and cyclone sprayer are used for mixing sewage with air and the sewage is circulated in the microbial treating tank by 20-60 times.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to wastewater treatment process and equipment based on biological methods. Background technique [0002] Existing wastewater treatment technologies based on biological methods mainly include activated sludge method and biological filter method. Although the above methods have been widely used, they generally have the following disadvantages: poor adaptability to impact loads, and easy sludge bulking; It is easily affected by environmental temperature, wind and other factors, causing blockage, resulting in microbial hypoxia, and seriously affecting the treatment effect. Moreover, the above-mentioned technical solution occupies a large area, and the infrastructure and operation costs are relatively high. Contents of the invention [0003] The purpose of the present invention is to provide a wastewater treatment process and equipment to improve the efficiency of sewage purificati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/02C02F3/10
CPCY02W10/10
Inventor 李宾
Owner 李宾
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