CN205258186U - Heterogeneous fenton reaction ware - Google Patents

Heterogeneous fenton reaction ware Download PDF

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Publication number
CN205258186U
CN205258186U CN201520968324.4U CN201520968324U CN205258186U CN 205258186 U CN205258186 U CN 205258186U CN 201520968324 U CN201520968324 U CN 201520968324U CN 205258186 U CN205258186 U CN 205258186U
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China
Prior art keywords
fenton
reaction groove
reaction
groove
stillpot
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CN201520968324.4U
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Chinese (zh)
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孙连军
孙涛
黄俊波
王晔路
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Wuxi Gongyuan Environmental Science and Technology Co., Ltd.
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Wuxi Gongyuan Machinery Co Ltd
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Abstract

The utility model provides a heterogeneous fenton reaction ware can realize not having and be interrupted continuous fenton reaction, improves sewage treatment efficiency for the sewage treatment effect is better, including the water distribution groove that the order is connected, the fenton reaction groove, the reaction of wadding a quilt with cotton with fixed attention, the precipitation tank, the water distribution groove is provided with the inlet tube, the fenton reaction groove is provided with two at least, be provided with the valve plate between water distribution groove and every the fenton reaction groove, be provided with the outlet of sewer on the fenton reaction groove respectively, outlet of sewer department sets up and is connected with the intervalve behind the outlet valve, the reaction of wadding a quilt with cotton is with fixed attention connected through the intervalve respectively in the fenton reaction groove, wad a quilt with cotton with fixed attention and separate through the baffle between reaction and the precipitation tank, the well lower part of baffle is provided with the egress opening, it is provided with the drain pipe to be provided with out the mill weir on the precipitation tank and to correspond, the precipitation tank lower extreme is provided with mud discharge bucket, the mud discharge bucket lower extreme is connected with the mud pipe.

Description

A kind of heterogeneous Fenton reactor
Technical field
The utility model relates to sewage disposal device, is specifically related to a kind of heterogeneous Fenton reactor.
Background technology
Fenton's reaction is the reaction of a kind of inorganic chemistry, and process is, hydrogen peroxide (H2O2) with the mixed solution of ferrous ion Fe, a lot of known organic compounds are oxidized to inorganic states as carboxylic acid, alcohol, ester class. Reaction has the high ability of removing persistent organic pollutants, has embodied application very widely in the wastewater treatments such as dyeing waste water, oily waste water, phenol wastewater, coking chemical waste water, nitrobenzene-containing waste water, diphenylamines waste water.
According to the condition of Fenton's reaction, the pH value of water need to be acid below 4, and need to there is iron ion as catalyst, existingly utilize the equipment that Fenton's reaction carries out sewage disposal in the time carrying out sewage disposal, conventionally to there is following several stage: fill phase, dosing stage, the stage of reaction, neutralization flocculation stage, precipitate phase. Fill phase: adopt pump or flow by gravity, add sewage in reactive tank; The dosing stage: add strong acid in sewage, regulate sewage pH to desirable value 1 ~ 4, then add ferrous sulfate and hydrogen peroxide; The stage of reaction: Fenton reagent comprises that redox reaction occurs in reactive tank for acid, ferrous sulfate, hydrogen peroxide, and the general reaction time in this stage is 30 ~ 120min; The neutralization flocculation stage: add alkali in sewage, readjustment pH is to alkalescent, and pH value is 6 ~ 9, and adds flocculation aid as PAM according to demand; Precipitate phase: add after medicament, the flco alumen ustum forming in sewage, in this stage precipitation, completes Separation of Solid and Liquid.
Because the stage of reaction of Fenton's reaction and precipitate phase required time are longer, so reaction exists periodically, existingly utilize the equipment that Fenton's reaction carries out sewage disposal to intake once according to reaction time in each cycle, after completing etc. the stage of reaction, could again intake, so reaction does not have continuity, carry out continuously sewage disposal thereby can not realize, sewage treating efficiency is lower.
Utility model content
For the problems referred to above, the utility model provides a kind of heterogeneous Fenton reactor, can realize the continuous Fenton's reaction of free of discontinuities, improves sewage treating efficiency, makes wastewater treatment efficiency better.
Its technical scheme is such, a kind of heterogeneous Fenton reactor, it is characterized in that: comprise the cloth tank being linked in sequence, Fenton's reaction groove, solidifying wadding reactive tank, stillpot, described cloth tank is provided with water inlet pipe, described Fenton's reaction groove is at least provided with two, between described cloth tank and each described Fenton's reaction groove, be provided with valve plate, sewage can enter each described Fenton's reaction groove from described cloth tank by each described valve plate, on described Fenton's reaction groove, be respectively arranged with outlet of sewer, after setting out water valve, described outlet of sewer place is connected with intervalve, described Fenton's reaction groove connects described solidifying wadding reactive tank by described intervalve respectively, sewage can enter described solidifying wadding reactive tank from each described Fenton's reaction groove by described intervalve, between described solidifying wadding reactive tank and described stillpot, pass through baffle for separating, the middle and lower part of described dividing plate is provided with flow export, sewage can enter described stillpot from described solidifying wadding reactive tank by described flow export, on described stillpot, be provided with effluent weir and correspondence is provided with drainpipe, described stillpot lower end is provided with mud-removing bucket, described mud-removing bucket lower end is connected with discharge pipeline.
Further, in described Fenton's reaction groove, be provided with catalysis floating stuffing.
Further, the bottom of described Fenton's reaction groove is provided with aeration tube, and described aeration tube is connected with source of the gas.
Further, blowdown funnel is arranged in described Fenton's reaction groove lower end, and the lower end of described mud-removing bucket is connected with blow-down pipe.
Further, in described stillpot, be provided with swash plate or inclined tube, for helping sedimentation.
Further, the number of the corresponding described Fenton's reaction groove of described mud-removing bucket is provided with the described mud-removing bucket of same number.
Adopt after heterogeneous Fenton reactor of the present utility model, by being set, multiple Fenton's reaction grooves make sewage in cloth tank can enter one by one Fenton's reaction groove to react, when the sewage level in one of them Fenton's reaction groove arrives a height, the valve plate that can close current Fenton's reaction groove carries out Fenton's reaction, open the valve plate of another Fenton's reaction groove simultaneously, sewage is entered in another Fenton's reaction groove, carry out Fenton's reaction until all inject sewage in all Fenton's reaction grooves successively, first a Fenton's reaction groove that injects sewage has taken the lead in after reaction entering solidifying wadding reactive tank by intervalve and coagulate wadding and reacts, can realize the continuous Fenton's reaction of free of discontinuities, improve sewage treating efficiency, Fenton's reaction groove and stillpot be design separately, can be in the situation that not affecting Fenton's reaction groove disposal ability, ensure the more abundant sedimentation time, obtain better sedimentation effect, make wastewater treatment efficiency better.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of heterogeneous Fenton reactor of the present utility model;
Fig. 2 is the plan structure schematic diagram of heterogeneous Fenton reactor of the present utility model.
Detailed description of the invention
As shown in Figure 1 to Figure 2, a kind of heterogeneous Fenton reactor, comprises the cloth tank 1 being linked in sequence, Fenton's reaction groove, solidifying wadding reactive tank 3, stillpot 4, cloth tank 1 is provided with water inlet pipe 5, and Fenton's reaction groove is provided with three in the present embodiment: Fenton's reaction groove 2A, Fenton's reaction groove 2B, Fenton's reaction groove 2C, cloth tank 1 and Fenton's reaction groove 2A, Fenton's reaction groove 2B, between Fenton's reaction groove 2C, correspondence is provided with valve plate 6A respectively, valve plate 6B, valve plate 6C, sewage can pass through respectively valve plate 6A, valve plate 6B, valve plate 6C enters Fenton's reaction groove 2A from cloth tank 1 correspondence, Fenton's reaction groove 2B, Fenton's reaction groove 2C, is respectively arranged with outlet of sewer on each Fenton's reaction groove, and outlet of sewer place sets out respectively water valve 7A, outlet valve 7B, after outlet valve 7C, be connected with intervalve 8, Fenton's reaction groove 2A, Fenton's reaction groove 2B, Fenton's reaction groove 2C connects solidifying wadding reactive tank 3 by intervalve 8 respectively, sewage can enter solidifying wadding reactive tank 3 from each Fenton's reaction groove by intervalve, between solidifying wadding reactive tank 3 and stillpot 4, separate by dividing plate 9, the middle and lower part of dividing plate 9 is provided with flow export, sewage can enter stillpot 4 from solidifying wadding reactive tank 3 by flow export, on stillpot 4, be provided with effluent weir 10 correspondence and be provided with drainpipe 11, stillpot 3 lower ends are provided with mud-removing bucket 12, mud-removing bucket 12 lower ends are connected with discharge pipeline 13, the number of the corresponding Fenton's reaction groove of mud-removing bucket 13 is provided with 3, in stillpot 4, be provided with swash plate or inclined tube, for helping sedimentation.
In Fenton's reaction groove 2A, Fenton's reaction groove 2B, Fenton's reaction groove 2C, be provided with catalysis floating stuffing 14, the bottom of Fenton's reaction groove 2A, Fenton's reaction groove 2B, Fenton's reaction groove 2C is provided with aeration tube 15, aeration tube 15 is connected with source of the gas, blowdown funnel 16 is arranged in Fenton's reaction groove 2A, Fenton's reaction groove 2B, Fenton's reaction groove 2C lower end, and the lower end of mud-removing bucket 16 is connected with blow-down pipe 17.
The course of work of the heterogeneous Fenton reactor of present embodiment is as follows: 1, sewage enters cloth tank 1 from water inlet pipe 5, opens valve plate 6A, and sewage injects Fenton's reaction groove 2A, when sewage in Fenton's reaction groove 2A arrives certain liquid level, closes valve plate 6A, completes water filling; 2, in Fenton's reaction groove 2A, add acid, regulate PH to acid desired value, then add hydrogen peroxide, in Fenton's reaction groove 2A, being provided with catalysis floating stuffing 14 can carry out catalysis and realize Fenton's reaction, aeration tube 15 work is the sewage in Fenton's reaction groove 2A evenly, promote Fenton's reaction, can keep catalysis floating stuffing 14 to be suspended in Fenton's reaction groove 2A simultaneously; 3, in the time that valve plate 6A closes, valve plate 6B opens, then to water filling in Fenton's reaction groove 2B, in the time that wastewater level is noted certain altitude, closes valve plate 6B, repeats above-mentionedly to carry out Fenton's reaction with the same operation in Fenton's reaction groove 2A in Fenton's reaction groove 2B simultaneously; 4, in the time that valve plate 6B closes, valve plate 6C opens, then to water filling in Fenton's reaction groove 2C, in the time that wastewater level is noted certain altitude, closes valve plate 6C, repeats above-mentionedly to carry out Fenton's reaction with the same operation in Fenton's reaction groove 2A in Fenton's reaction groove 2C simultaneously; 5, when the Fenton's reaction that taken the lead in Fenton's reaction groove 2A, utilize flow by gravity or pump, the sewage that Fenton's reaction groove 2A is completed to Fenton's reaction by intervalve 8 from outlet valve 7A injects solidifying wadding reactive tank 3, add alkali at solidifying wadding reactive tank 3, in and sewage to alkalescent, and add flocculation aid, the flocculation that completes sewage helps solidifying course of reaction, the sewage that finally coagulates wadding reactive tank 3 enters stillpot 4 by flow export and precipitates, clear liquid is discharged by effluent weir 10, mud is collected at mud-removing bucket 12, regularly discharges by discharge pipeline 13; 6, wait for that successively after Fenton's reaction in Fenton's reaction groove 2B, Fenton's reaction groove 2C completes, sewage being injected to solidifying wadding reactive tank 3 coagulates wadding, can repeat to inject sewage in Fenton's reaction groove 2A until sewage in Fenton's reaction groove 2A and react after flowing to end.
Heterogeneous Fenton reactor of the present utility model adopts catalysis floating stuffing 14, catalysis floating stuffing 14 has Fenton catalytic activity, without adding ferrous sulfate, avoid need to add wherein ferrous sulfate each reaction time, cause a large amount of iron hydroxides or ferrous hydroxide precipitation, sludge quantity is large, and reagent cost is large, thus the saving of the medicament expense of operation, and can not produce a large amount of precipitating sludges, reduce the processing load of sludge concentration device, energy-conserving and environment-protective simultaneously. The evenly sewage in Fenton's reaction groove of aeration tube is set in Fenton's reaction groove, can also keeps catalysis floating stuffing to be suspended in Fenton's reaction.

Claims (6)

1. a heterogeneous Fenton reactor, it is characterized in that: comprise the cloth tank being linked in sequence, Fenton's reaction groove, solidifying wadding reactive tank, stillpot, described cloth tank is provided with water inlet pipe, described Fenton's reaction groove is at least provided with two, between described cloth tank and each described Fenton's reaction groove, be provided with valve plate, sewage can enter each described Fenton's reaction groove from described cloth tank by each described valve plate, on described Fenton's reaction groove, be respectively arranged with outlet of sewer, after setting out water valve, described outlet of sewer place is connected with intervalve, described Fenton's reaction groove connects described solidifying wadding reactive tank by described intervalve respectively, sewage can enter described solidifying wadding reactive tank from each described Fenton's reaction groove by described intervalve, between described solidifying wadding reactive tank and described stillpot, pass through baffle for separating, the middle and lower part of described dividing plate is provided with flow export, sewage can enter described stillpot from described solidifying wadding reactive tank by described flow export, on described stillpot, be provided with effluent weir and correspondence is provided with drainpipe, described stillpot lower end is provided with mud-removing bucket, described mud-removing bucket lower end is connected with discharge pipeline.
2. the heterogeneous Fenton reactor of one according to claim 1, is characterized in that: in described Fenton's reaction groove, be provided with catalysis floating stuffing.
3. the heterogeneous Fenton reactor of one according to claim 2, is characterized in that: the bottom of described Fenton's reaction groove is provided with aeration tube, described aeration tube is connected with source of the gas.
4. the heterogeneous Fenton reactor of one according to claim 1, is characterized in that: blowdown funnel is arranged in described Fenton's reaction groove lower end, and the lower end of described mud-removing bucket is connected with blow-down pipe.
5. the heterogeneous Fenton reactor of one according to claim 1, is characterized in that: in described stillpot, be provided with swash plate or inclined tube, for helping sedimentation.
6. the heterogeneous Fenton reactor of one according to claim 1, is characterized in that: the number of the corresponding described Fenton's reaction groove of described mud-removing bucket is provided with the described mud-removing bucket of same number.
CN201520968324.4U 2015-11-30 2015-11-30 Heterogeneous fenton reaction ware Active CN205258186U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330070A (en) * 2015-11-30 2016-02-17 无锡工源机械有限公司 Heterogeneous fenton reactor
CN107522280A (en) * 2017-09-14 2017-12-29 武汉光谷环保科技股份有限公司 A kind of circulation crystallization Fenton fluid bed and its processing used water difficult to degradate method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330070A (en) * 2015-11-30 2016-02-17 无锡工源机械有限公司 Heterogeneous fenton reactor
CN107522280A (en) * 2017-09-14 2017-12-29 武汉光谷环保科技股份有限公司 A kind of circulation crystallization Fenton fluid bed and its processing used water difficult to degradate method

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Address after: No. 55 Xigang West Road, Xibei Town, Wuxi City, Jiangsu Province

Patentee after: Wuxi Gongyuan Environmental Science and Technology Co., Ltd.

Address before: No. 55 Xigang West Road, Xibei Town, Wuxi City, Jiangsu Province

Patentee before: Wuxi Gongyuan Machinery Co.,Ltd.

CP01 Change in the name or title of a patent holder