CN202924851U - Fenton oxidization reaction-based fluoride waste water treatment device - Google Patents

Fenton oxidization reaction-based fluoride waste water treatment device Download PDF

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Publication number
CN202924851U
CN202924851U CN 201220640800 CN201220640800U CN202924851U CN 202924851 U CN202924851 U CN 202924851U CN 201220640800 CN201220640800 CN 201220640800 CN 201220640800 U CN201220640800 U CN 201220640800U CN 202924851 U CN202924851 U CN 202924851U
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China
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waste water
pond
water treatment
fenton
fluorine
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CN 201220640800
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徐建华
董亮
王登雷
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SUZHOU ENVIRONMENT PROTECTION CO Ltd
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SUZHOU ENVIRONMENT PROTECTION CO Ltd
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Abstract

The utility model belongs to the technical field of environmental protection, and particularly relates to a Fenton oxidization reaction-based fluoride waste water treatment device. The Fenton oxidization reaction-based fluoride waste water treatment device comprises a regulating tank, an oxidization pond, a coagulating pond, a dosing reaction pond, a flocculation pond, a settling pond and a sludge thickening pond which are connected in sequence by a pipe, wherein the sludge thickening pond is connected with a plate-and-frame filter press. According to the Fenton oxidization reaction-based fluoride waste water treatment device, the process flow is simple, and the automatic operation of waste water treatment facilities is easily realized; the fluoride removal efficiency of the following coagulating sedimentation can be improved by adopting the Fenton advanced oxidization as a pretreatment process; and the fluoride removal rate is high.

Description

A kind of fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction
Technical field
The utility model belongs to environmental technology field, relates in particular to a kind of fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction.
Background technology
In the time of the development of modern industry, discharged a large amount of high-concentration fluorine-contained trade effluents, these waste water generally contain the fluorine that is fluorion (F-) form, are difficult points in wastewater processing technology.And a lot of enterprises there is no perfect treatment facility these waste water are processed, the fluorine in wastewater content of discharging surpasses discharging standards, fluorinion concentration has far surpassed 10mg/L, and the health to the mankind when seriously polluting the environment that the mankind depend on for existence causes a lot of threats.
Current, the treatment process of high-concentration fluorine-containing waste water has several both at home and abroad, and using more method is mainly chemical precipitation method, flocculent precipitation and absorption method.Chemical precipitation method is generally for the treatment of high-concentration fluorine-containing waste water, and is low-cost effective due to simple to operate, therefore uses comparatively extensive.Opposite with chemical precipitation method, coagulation sedimentation generally is only applicable to fluorine-containing lower wastewater treatment, and at first high-concentration fluorine-containing waste water will through chemical precipitation method through coagulation, then adopt coagulation sedimentation again to remove fluorine.Absorption method mainly is applicable to the advanced treatment of the less tap water of the water yield, and processing costs is high comparatively speaking, and operation is more loaded down with trivial details.Certainly, other certain methods each have their own use field and advantage.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of technique is simple, the fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction of the fluorine removing rate that improves follow-up coagulating sedimentation.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of fluorine-containing wastewater treatment method device based on the Fenton oxidation reaction, it comprises equalizing tank, oxidation pond, coagulation basin, dosing reaction tank, flocculation basin, settling tank and the sludge thickener of pipeline connection successively, described sludge thickener is connected with plate-and-frame filter press.
As the further optimization of technique scheme, described settling tank also pipeline is connected with clean water basin.
As the further optimization of technique scheme, described clean water basin are provided with clear water output.
As the further optimization of technique scheme, described plate-and-frame filter press is provided with dewatered sludge and processes outlet.
The beneficial effect main manifestations of a kind of fluorine-containing waste water processing apparatus based on Fenton oxidation reaction of the utility model is: technical process is simple, is easy to realize the automatic operating of waste water disposal facility; Adopt the Fenton advanced oxidation as pretreatment technology, improved the fluorine removing rate of follow-up coagulating sedimentation; Make the clearance of fluorine high.
Description of drawings
Fig. 1 is the frame structure schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
As shown in Figure 1, preferred forms as a kind of fluorine-containing waste water processing apparatus based on Fenton oxidation reaction of the utility model, it comprises equalizing tank, oxidation pond, coagulation basin, dosing reaction tank, flocculation basin, settling tank and the sludge thickener of pipeline connection successively, and described sludge thickener is connected with plate-and-frame filter press.
Described settling tank also pipeline is connected with clean water basin.
Described clean water basin are provided with clear water output.
Described plate-and-frame filter press is provided with dewatered sludge and processes outlet.
The present embodiment is in the specific implementation:
(1) equalizing tank: because the waste water quality that discharges in production process and the water yield have unstable, therefore equalizing tank is set waste water is carried out homogeneous, equal amounts.
(2) oxidation pond: waste water promotes through lift pump and enters the oxidation pond that is provided with aeration agitation, regulates pH and adds H 2O 2Waste liquid carries out oxidizing reaction, with the material that disturbs the fluorion coagulating sedimentation in waste water oxidation removal in addition.Oxidation time is about 8h.
(3) coagulation basin: the water outlet after peroxidation adds CaO to regulate pH to 6 from flowing into coagulation basin, then adds NaOH to regulate pH to 11, reaction 30min.Adopt aeration agitation in coagulation basin, the reaction times is 30min.
(4) dosing reaction tank: add phosphorus acid for adjusting pH to 7 in the coagulation basin water outlet, the phosphoric acid salt precipitation of generation can be used as the cohesion tuberculosis of flocculation.
(5) flocculation basin: add polyacrylamide in the water outlet of above-mentioned steps, the configuration concentration of polyacrylamide is 1 ‰, and dosage is 2-3ml/L.Coagulation, flocculation basin are established aeration agitation in all.
(6) settling tank: the flocculation basin water outlet is carried out mud-water separation from flowing into settling tank, and the fluorochemical that being flocculated in waste water separated out is removed by precipitation.
The above has done detailed description to the utility model preferred implementation by reference to the accompanying drawings, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also make a variety of changes under the prerequisite that does not break away from the utility model aim.
Do not break away from design of the present utility model and scope and can make many other changes and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.

Claims (4)

1. fluorine-containing waste water processing apparatus based on Fenton oxidation reaction, it is characterized in that, it comprises equalizing tank, oxidation pond, coagulation basin, dosing reaction tank, flocculation basin, settling tank and the sludge thickener of pipeline connection successively, and described sludge thickener is connected with plate-and-frame filter press.
2. a kind of fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction according to claim 1, is characterized in that, described settling tank also pipeline is connected with clean water basin.
3. a kind of fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction according to claim 2, is characterized in that, described clean water basin are provided with clear water output.
4. a kind of fluorine-containing waste water processing apparatus based on the Fenton oxidation reaction according to claim 1, is characterized in that, described plate-and-frame filter press is provided with dewatered sludge and processes outlet.
CN 201220640800 2012-11-28 2012-11-28 Fenton oxidization reaction-based fluoride waste water treatment device Active CN202924851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220640800 CN202924851U (en) 2012-11-28 2012-11-28 Fenton oxidization reaction-based fluoride waste water treatment device

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Application Number Priority Date Filing Date Title
CN 201220640800 CN202924851U (en) 2012-11-28 2012-11-28 Fenton oxidization reaction-based fluoride waste water treatment device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103848513A (en) * 2012-11-28 2014-06-11 苏州市环境保护有限公司 Fluorine-containing wastewater treatment method based on Fenton oxidation reaction, and apparatus thereof
CN109824166A (en) * 2017-11-23 2019-05-31 上海江柘环境工程技术有限公司 Photovoltaic wastewater processing system and processing method
CN111439865A (en) * 2020-04-07 2020-07-24 中国科学院生态环境研究中心 Defluorination method for coal gas wastewater

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103848513A (en) * 2012-11-28 2014-06-11 苏州市环境保护有限公司 Fluorine-containing wastewater treatment method based on Fenton oxidation reaction, and apparatus thereof
CN103848513B (en) * 2012-11-28 2016-03-02 苏州市环境保护有限公司 A kind of fluorine-containing wastewater treatment method based on Fenton oxidation reaction
CN109824166A (en) * 2017-11-23 2019-05-31 上海江柘环境工程技术有限公司 Photovoltaic wastewater processing system and processing method
CN111439865A (en) * 2020-04-07 2020-07-24 中国科学院生态环境研究中心 Defluorination method for coal gas wastewater
CN111439865B (en) * 2020-04-07 2022-02-25 中国科学院生态环境研究中心 Defluorination method for coal gas wastewater

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