Device for treating sewage of chemical plant by using chemical method
A technology for sewage treatment equipment and chemical plants, which is applied in water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems of large equipment investment, complex structure and principle, and limited scope of use. , to achieve the effect of small equipment footprint, guaranteed decontamination effect and compact structure
Inactive Publication Date: 2018-05-22
GUANGXI UNIV
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Problems solved by technology
However, due to the relatively large investment in equipment during the operation process, the cost of operation is relatively high, which restricts the wide application of this technology in actual work.
[0007] To sum up, the existing sewage treatment methods mainly have defects such as complex structure and principle, insufficient consideration of details, serious secondary pollution leading to repeated filtration, high energy consumption, and limited application range.
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[0018] Compare below Figure 1-3 To illustrate, before the work, the mud discharge pipe 11 and the liquid discharge pipe 2 are closed, and clean water can be injected into the decontamination box 9 as required to observe whether the whole device is working normally. The working environment for sewage treatment is relatively bad. Before the device works, it should focus on checking the connection between the first-level filter screen 14, the second-level filter screen 12 and the decontamination box 9, and at the same time ensure that the parts are reliably linked to avoid safety accidents and leakage, and then you can Use the mode of first adding clear water in the decontamination box body 9, try to start the metering pump 5 and the drainage pump 10, check whether the decontamination process is normal, so far the device completes the preparatory work.
[0019] When it is necessary to use this device for sewage treatment, the staff adds decontamination chemical agents into the c...
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The invention discloses a device for treating sewage of a chemical plant by using a chemical method. A chemical reagent is added into a reagent tank by an operator, the sewage generated in a production process is injected into the interior of a decontamination tank body from a sewage inlet, and after the chemical reagent is sucked by a metering pump from a water inlet pipe of the metering pump, the chemical reagent is introduced into the decontamination tank body through a water outlet pipe of the metering pump; toxic substances in the sewage are denatured after mixing of the chemical reagentwith the sewage, and meanwhile large particle-size solids in the sewage are filtered out through a first-level filter net; then the filtered sewage flows to the lower end of the decontamination tank body, smaller particle-size particle matter is filtered out through a second-level filter net, and finally the purified sewage which is obtained after second precipitation is discharged from a drainagepipe. The toxic substances in the sewage can be removed through the device, and meanwhile the solid particles in the sewage can also be filtered out; the device has high working efficiency, and the physical labor of the operator can be reduced.
Description
technical field [0001] The invention relates to sewage treatment equipment, especially sewage treatment equipment in chemical plants. Background technique [0002] Today's typical is chemical method, physical method and biological treatment technology. [0003] Chemical method: The chemical treatment method used in chemical sewage treatment generally refers to the use of chemical reactions to decompose, separate and neutralize pollutants without edema. These chemical reactions are mainly methods such as redox neutralization, neutralization and flocculation. Different chemical reactions are carried out for different components in sewage to decompose pollutants in sewage. [0004] The neutralization method is mainly used in the treatment of sewage with excessive acid and alkali content, especially for drainage, cleaning raw materials, finished product tanks, coal gasification water, and chemical boiler water in the process of chemical agent production. and method of sewage ...
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IPC IPC(8): C02F9/04
CPCC02F1/00C02F1/001C02F2301/08C02F2303/14
Inventor 覃柳思
Owner GUANGXI UNIV