CN105000654A

CN105000654A - Fenton fluidized bed for sewage treatment and method of fenton fluidized bed for sewage treatment

Info

Publication number: CN105000654A
Application number: CN201510462316.7A
Authority: CN
Inventors: 黄展辅; 杨系科; 邹建生
Original assignee: Zengcheng China Prosperous Plastics Hardware Dies Co Ltd
Current assignee: Zengcheng China Prosperous Plastics Hardware Dies Co Ltd
Priority date: 2015-07-31
Filing date: 2015-07-31
Publication date: 2015-10-28
Anticipated expiration: 2035-07-31
Also published as: CN105000654B

Abstract

The invention discloses a fenton fluidized bed for sewage treatment. The fenton fluidized bed comprises a tower body, a water distributor, a water inlet pipeline, a circulating pipeline, a circulating water pump, charging pipelines and a drainage pipeline. The water distributor is arranged at the bottom end inside the tower body. The water inlet pipeline is communicated with the bottom of the tower body through the circulating water pump. One end of the circulating pipeline is connected to the upper portion of the tower body. The other end of the circulating pipeline and the water inlet pipeline are connected with a water inlet of the circulating water pump. The charging pipelines are located at the position, close to an inlet of the circulating pipeline, of the upper end of the tower body. The charging pipelines include the ferrous sulfate charging pipeline and the hydrogen peroxide charging pipeline. Supporter material silica sand is arranged in an inner cavity of the tower body. The fenton fluidized bed is reasonable in structural arrangement, silica sand is sufficiently suspended and dispersed into sewage to be processed in the tower body by selecting the proper length-diameter ratio of the tower body and the granularity and water distribution mode of supporter silica sand, and medicament is efficiently utilized and the cost is lowered by reasonably adjusting and controlling opening of a pipeline valve and automatically adding the medicament. The invention further discloses a method of the fenton fluidized bed for sewage treatment.

Description

A kind of sewage disposal Fenton fluidized-bed and the method for disposing of sewage thereof

Technical field

The present invention relates to the technical field of wastewater treatment, a kind of method particularly relating to sewage disposal Fenton fluidized-bed and dispose of sewage.

Background technology

Fluidized-bed is a kind of equipment of disposing of sewage, the principle of original biological treatment of sewage allows oxygen in air fully and waste water, the oxygen in air is made fully to be dissolved in sewage, in some cases, after oxygen in air and sewage fully dissolve, still effectively can not process sewage, need to add appropriate medicament, medicament is mixed with sewage.It is high that industrial production sewage has concentration usually, toxicity is large, be difficult to the characteristics such as biological degradation, after causing biological treatment, sewage is difficult to reach emission standard, the system that Fenton reagent is made up of ferrous ion and hydrogen peroxide, the hydroxyl radical free radical of energy production strong oxidizing property, generate organic free radical with hardly degraded organic substance in aqueous and make it structure deteriorate, final oxygenolysis, the use of Fenton reagent is extensive, Fenton fluidized-bed oxidation style is the low sludge-type waste water advanced oxidization treatment technology based on traditional Fenton oxidation method improvement, this technology make use of the Strong oxdiative function of the hydroxyl radical free radical that Fenton reagent produces, the ferric iron major part simultaneously utilizing the mode of fluidized-bed that Fenton process is produced is able to crystallization or precipitation is coated on carrier surface, in conjunction with homophase chemical oxidation (Fenton process), out-phase chemical oxidation (H ₂o ₂/ FeOOH), the reduction of dissolved function of fluidized bed crystallization and FeOOH, promote chemical oxidation and mass-transfer efficiency, remove to realize COD, this technology is a kind of simple, economic and effective COD of sewage minimizing technology.

Fenton fluidized-bed is the nucleus equipment in this technology, and can be related to sewage treatment process efficiently carry out.In actual engineering design and operational process, often occur fluidized-bed structure design (tower body volume with highly design, water distributor designs, intake to reflux and design, be separated and deslagging design etc.) unreasonable and a series of operation problems of causing, such as, sewage treating efficiency is low, medicament utilization ratio is low, and reagent consumption is higher, and power consumption is high, running cost is high, and these operation problems are related to popularization and the utilization of Fenton fluidized-bed oxidation style.

Therefore, the special fluidized-bed needing a kind of reasonable in design, to improve problems of the prior art, and needs a kind of method of fluidized bed processing sewage, better gives full play to its effect to make Fenton oxidation method.

Summary of the invention

Based on above the deficiencies in the prior art, technical problem solved by the invention is a kind of method providing sewage disposal Fenton fluidized-bed and dispose of sewage, reduce electric energy and reagent consumption, improve medicament utilization ratio and sewage treating efficiency, efficiently can remove the organic pollutant in sewage, reduce COD of sewage value.

In order to solve the problems of the technologies described above, the technical scheme of the sewage disposal Fenton fluidized-bed that the present invention adopts is: a kind of sewage disposal Fenton fluidized-bed, comprise the tower body storing sewage, described tower body is connected with the inlet channel inputting sewage in tower body, and the sewage after process is discharged the drainage pipeline of tower body, sewage disposal Fenton fluidized-bed of the present invention also comprises water distributor, circulating line, water circulating pump and drug feeding pipeline, described water distributor is placed in the bottom of tower body inside, and the water outlet of water distributor inner chamber and described water circulating pump passes through pipeline communication; Described inlet channel is communicated with bottom tower body by described water circulating pump, and described circulating line and drainage pipeline lay respectively at tower body both sides, and described circulating line and drainage pipeline and tower body inner space.

One end of described circulating line connects the top of tower body, the other end of described circulating line and inlet channel are all connected with the water-in of described water circulating pump, described drug feeding pipeline is positioned at tower body upper end near circulating line ingress, and drug feeding pipeline is divided into ferrous sulfate drug feeding pipeline and hydrogen peroxide drug feeding pipeline.

Described drainage pipeline comprises the drainage pipeline one and drainage pipeline two that are separately positioned in the top and bottom of tower body, and come together in a pipeline in tower body lower end, described tower body inner chamber is provided with carrier material silica sand, and described carrier material silica sand is positioned at the top layer of described water distributor.Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body length-to-diameter ratio, carrier silicon sand size and water distribution manner, silica sand fully being suspended and is scattered in the pending sewage of tower body, reducing power consumption simultaneously; By the unlatching of Reasonable Regulation And Control pipeline valve and the automatic interpolation of medicament, to simplify the operation course, and realize the efficiency utilization of medicament, reduce costs.

As the improvement of technique scheme, the ratio of the tower body overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body main part is 3 ~ 10:1, the lower end of tower body is arc-shaped structure, the upper end of tower body is back taper tubular construction, the cone angle of back taper tubular construction is 30 ~ 75 °, back taper tubular construction upper-end inner diameter D is 1.5-3 times of tower body main part internal diameter d, and the upper end of back taper tubular construction connects one section of cylindrical tubing configuration.The tower body inverted cone-shaped structure simplicity of design of sewage disposal Fenton fluidized-bed of the present invention is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, silica sand also can be prevented to run off through drainage pipeline.

As the improvement of such scheme, the inner chamber of tower body is communicated with the water-in by circulating line between circulating line, the inner chamber of described tower body is communicated with the water-in by drainage pipeline between drainage pipeline, and the water-in of described circulating line is lower than drainage pipeline water-in topmost.

Further, described inlet channel, circulating line and drainage pipeline are respectively equipped with valve, described valve adopts electromagnetic valve controlling system to control valve opening time, folding size.

As the improvement of such scheme, the admission space of described carrier material silica sand is about 10% ~ 30% of tower body volume, and the water-in of the drainage pipeline two of lower end is higher than the loading height of carrier material silica sand; Described carrier material silicon sand particle size range is 0.1mm ~ 1.0mm.

Preferably, described water distributor is assembled by cylindricality open tube, comprises supervisor and arm, and water distributor arm one end seals, and the other end is also threaded connection to supervisor, and arm inside is communicated with main pipe, and the external diameter of supervisor is 1.5 ~ 4.0 times of arm external diameter; The water-in of described water distributor is communicated with the water outlet of water circulating pump by supervisor.

Further, described water distributor arm sidewall is evenly drilled with posticum, the aperture of posticum is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, and the spacing of posticum is the one in 20mm ~ 60mm, and the posticum that arbitrary neighborhood two is arranged is staggered pattern.

For achieving the above object, the present invention adopts the concrete grammar one of sewage disposal Fenton fluidized bed processing sewage as follows:

One, after loading appropriate carrier material silica sand in tower body, the solenoid electric valve on ON cycle water pump and inlet channel, it is inner that the sewage of production flows into tower body by workshop or storage pool through inlet channel and water distributor;

Two, after sewage is full of tower body, solenoid electric valve cuts out automatically, and the solenoid electric valve on circulating line is opened automatically, and the sewage in tower body starts to circulate via circulating line, water circulating pump and water distributor;

Three, add copperas solution by the first drug feeding pipeline, add hydrogen peroxide by the second drug feeding pipeline, the sewage added after medicament starts reaction;

Four, after in tower body, effluent cycle reacts 0.5-2.0h, open the valve on the drainage pipeline being positioned at tower body upper end, the sewage after process is discharged via drainage pipeline and pipeline by tower body top, and tower body internal liquid level starts to decline;

Five, when the position of liquid level in tower body lower than drainage pipeline and tower body Link Port, solenoid electric valve is opened automatically, and production waste starts to enter tower body inside by the external world;

Six, when liquid level in tower body is higher than drainage pipeline and tower body Link Port position, solenoid electric valve cuts out automatically, tower body internal liquid level height is ensured by the automatic open and close of solenoid electric valve, the sewage velocity of discharge in tower body and sewage reaction time in tower body can be controlled by the unlatching size of regulated valve, ensure wastewater treatment efficiency.

For achieving the above object, the present invention adopts the concrete grammar two of sewage disposal Fenton fluidized bed processing sewage as follows:

Four, after in tower body, effluent cycle reacts 0.5-2.0h, close water circulating pump and solenoid electric valve, after the carrier material silica sand precipitation in tower body, open the valve on the drainage pipeline being positioned at tower body lower end, the sewage in tower body after process is discharged via drainage pipeline and pipeline;

Five, when the sewage level in tower body is lower than drainage pipeline and tower body Link Port position, reopen water circulating pump and solenoid electric valve, start sewage disposal next time;

Six, by Open valve, the most of sewage be disposed in tower body can be made to discharge, to realize intermittent reaction.

Implement the embodiment of the present invention, there is following beneficial effect: Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body length-to-diameter ratio, carrier silicon sand size and water distribution manner, silica sand fully being suspended and is scattered in the pending sewage of tower body, reducing power consumption simultaneously; By the unlatching of Reasonable Regulation And Control pipeline valve and the automatic interpolation of medicament, to simplify the operation course, and realize the efficiency utilization of medicament, reduce costs.The sewage disposal that the present invention adopts improves by the medicament utilization ratio of Fenton fluidized-bed, medicament is added directly in tower body by the first drug feeding pipeline and the second drug feeding pipeline, avoid the loss of medicament, and only regularly need give a small amount of supplementing, relatively traditional technology greatly reduces the consumption of medicament, catalyzed reaction is there is in the pollutent in medicament and sewage in tower body, inner for tower body sewage repeatedly reacts with medicament by the recycle system of fluidized-bed, substantially increase the reaction efficiency of medicament and dirty water pollutant, improve the utilization ratio of medicament and the clearance of pollutent.The present invention is provided with at Fenton fluidized-bed bottom the carrier material silica sand that admission space is about 10% ~ 30% of tower body volume, and silica sand dosage is moderate, cost-saving while ensureing crystallization effect, reduce fluidisation load, control PH to 3-4, is the crystallization effect of the best, is conducive to the process of sewage.In addition, the tower body inverted cone-shaped structure simplicity of design of sewage disposal Fenton fluidized-bed of the present invention is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, silica sand also can be prevented to run off through drainage pipeline; The inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.The present invention adopts the concrete grammar of sewage disposal Fenton fluidized bed processing sewage to make sewage reactive system flexible operation, the automatic powder adding being realized sewage by the automatic open and close of solenoid electric valve is added and circulating reaction, be beneficial to select continous way or intermittent reaction operation by arranging different outfall positions, continuous reaction pattern opens rear sustainable operation, save cost of human resources, be applicable to the enterprise of continous way production and effluent sewerage, be also applicable to the occasion that sewage output is larger; Intermittent reaction pattern is applicable to the less enterprise of sewage quantum of output, can weekly or process once every day.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing of embodiment below.

Fig. 1 is the structural representation of the sewage disposal Fenton fluidized-bed of the preferred embodiment of the present invention.

Fig. 2 is the inner water distributor structure schematic diagram of tower body of the sewage disposal Fenton fluidized-bed of the preferred embodiment of the present invention.

Fig. 3 is the water distributor manifold configuration schematic diagram of the sewage disposal Fenton fluidized-bed of the preferred embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Embodiment 1

As shown in Figure 1, the sewage disposal Fenton fluidized-bed that the preferred embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 3:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 30 °, back taper tubular construction upper-end inner diameter D is 1.5 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

Sewage disposal Fenton fluidized-bed of the present invention also comprised ligation circulating line 40, rise transmission power actuated water circulating pump 20, for adding the drug feeding pipeline 80 of medicament in the sewage in tower body 30, inlet channel 10 is communicated with bottom tower body 30 by water circulating pump 20, and drug feeding pipeline 80 is positioned at tower body 30 upper end near circulating line 40 ingress.Circulating line 40 one end connects the top of tower body 30, and the other end is communicated with the bottom of tower body 30 via solenoid electric valve 41 and water circulating pump 20.The water-in of water circulating pump 20 is connected with circulating line 40 and wastewater influent pipeline 10, and the water outlet of water circulating pump 20 is connected with the water-in bottom tower body 30.

Particularly, drainage pipeline 1 and drainage pipeline 2 52 are arranged at top and the position, middle and lower part of tower body 30 respectively, circulating line 40 and drainage pipeline 50 lay respectively at tower body 30 both sides, and the inner space of circulating line 40 and drainage pipeline 50 and tower body 30, drainage pipeline 50 and tower body 30 Link Port position are higher than the Link Port position of circulating line 40 with tower body 30, the inner chamber of tower body 30 is communicated with by the water-in of circulating line 40 with between circulating line 40, the inner chamber of described tower body 30 is communicated with by the water-in of drainage pipeline 50 with between drainage pipeline 50, the water-in of described circulating line 40 is lower than drainage pipeline 50 water-in topmost, namely the water-in of circulating line 40 is lower than the water-in of drainage pipeline 1.

Described drug feeding pipeline 80 is divided into two, first drug feeding pipeline 81 is ferrous sulfate drug feeding pipeline, and the second drug feeding pipeline 82 is hydrogen peroxide drug feeding pipeline, the system that drug feeding pipeline 80 controls with Automatic Dosing, when medicine adds, its flow velocity, flow and interpolation time can be arranged.

As shown in Figures 2 and 3, in the embodiment of the present invention, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

This sewage disposal Fenton fluidized-bed also comprises the carrier material silica sand 70 for catalyzed reaction, can reach better reaction effect to make medicament and organism.Carrier material silica sand 70 is positioned over water distributor 60 top layer of tower body 30 inside, silicon sand layer loading height is lower than the Link Port position of drainage pipeline 2 52 with tower body 30, preferably, the admission space of described carrier material silica sand 70 is about 10% of tower body 30 volume, the water-in of the drainage pipeline 2 52 of lower end is higher than the loading height of carrier material silica sand 70, and carrier material silica sand 70 particle diameter is 0.1mm.

In another embodiment of sewage disposal Fenton fluidized-bed of the present invention, the bottom of described tower body 30 is provided with the Residue extraction pipeline of discharging for silica sand or waste residue.

Further, the sewage disposal inlet channel 10 of Fenton fluidized-bed, circulating line 40 and drainage pipeline 50 are respectively equipped with valve, described valve adopts electromagnetic valve controlling system to valve opening time, folding size controls, inlet channel 10 is provided with solenoid electric valve 11, circulating line 40 is provided with solenoid electric valve 41, drainage pipeline 1 and drainage pipeline 2 52 are respectively equipped with on valve 54 and valve 53, by the water distribution manner of carrier material silica sand 70 granularity and water distributor 60, silica sand 70 is made fully to suspend and be scattered in the pending sewage of tower body 30, reduce power consumption simultaneously, by the unlatching of Reasonable Regulation And Control pipeline valve and the automatic interpolation of medicament, to simplify the operation course, and realize the efficiency utilization of medicament, reduce costs.

When in use, the sewage water treatment method of this sewage disposal Fenton fluidized-bed have continous way and intermittent type two kinds of operating method available.

(1) successive reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel 10, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (0.5h), opens the valve 54 on drainage pipeline 50, and the sewage after process is discharged via drainage pipeline 1 and pipeline 55 by tower body 30 top, and tower body 30 internal liquid level starts to decline.When liquid level in tower body 30 is lower than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 is opened automatically, and it is inner that the sewage of production starts to enter tower body 30 by the external world.When liquid level in tower body 30 is higher than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 cuts out automatically.Ensure tower body 30 internal liquid level height by the automatic open and close of solenoid electric valve 11, the sewage velocity of discharge in tower body 30 and sewage reaction time in tower body 30 can be controlled by the unlatching size of regulated valve 54, ensure wastewater treatment efficiency.

(2) rhythmic reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body 30 starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (0.5h), closes water circulating pump 20 and solenoid electric valve 41, opens the valve 53 on drainage pipeline 2 52 after the silica sand precipitation in tower body 30.Sewage in tower body 30 after process is discharged via drainage pipeline 2 52 and pipeline 55.When sewage level in tower body 30 is lower than drainage pipeline 2 52 and tower body 30 Link Port position, reopen water circulating pump 20 and solenoid electric valve 11, start sewage disposal next time.By Open valve 53, the most of sewage be disposed in tower body 30 can be made to discharge, to realize intermittent reaction.

Embodiment 2

The sewage disposal Fenton fluidized-bed that the embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 5:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 30 °, back taper tubular construction upper-end inner diameter D is 2 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

In the embodiment of the present invention 2, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

This sewage disposal Fenton fluidized-bed also comprises the carrier material silica sand 70 for catalyzed reaction, can reach better reaction effect to make medicament and organism.Carrier material silica sand 70 is positioned over water distributor 60 top layer of tower body 30 inside, silicon sand layer loading height is lower than the Link Port position of drainage pipeline 2 52 with tower body 30, preferably, the admission space of described carrier material silica sand 70 is about 20% of tower body 30 volume, the water-in of the drainage pipeline 2 52 of lower end is higher than the loading height of carrier material silica sand 70, and carrier material silica sand 70 particle diameter is 0.1mm.

Successive reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel 10, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (1h), opens the valve 54 on drainage pipeline 50, and the sewage after process is discharged via drainage pipeline 1 and pipeline 55 by tower body 30 top, and tower body 30 internal liquid level starts to decline.When liquid level in tower body 30 is lower than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 is opened automatically, and it is inner that the sewage of production starts to enter tower body 30 by the external world.When liquid level in tower body 30 is higher than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 cuts out automatically.Ensure tower body 30 internal liquid level height by the automatic open and close of solenoid electric valve 11, the sewage velocity of discharge in tower body 30 and sewage reaction time in tower body 30 can be controlled by the unlatching size of regulated valve 54, ensure wastewater treatment efficiency.

Rhythmic reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body 30 starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (1h), closes water circulating pump 20 and solenoid electric valve 41, opens the valve 53 on drainage pipeline 2 52 after the silica sand precipitation in tower body 30.Sewage in tower body 30 after process is discharged via drainage pipeline 2 52 and pipeline 55.When sewage level in tower body 30 is lower than drainage pipeline 2 52 and tower body 30 Link Port position, reopen water circulating pump 20 and solenoid electric valve 11, start sewage disposal next time.By Open valve 53, the most of sewage be disposed in tower body 30 can be made to discharge, to realize intermittent reaction.

Embodiment 3

The sewage disposal Fenton fluidized-bed that the embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 8:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 30 °, back taper tubular construction upper-end inner diameter D is 3 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

In the embodiment of the present invention 3, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

This sewage disposal Fenton fluidized-bed also comprises the carrier material silica sand 70 for catalyzed reaction, can reach better reaction effect to make medicament and organism.Carrier material silica sand 70 is positioned over water distributor 60 top layer of tower body 30 inside, silicon sand layer loading height is lower than the Link Port position of drainage pipeline 2 52 with tower body 30, preferably, the admission space of described carrier material silica sand 70 is about 30% of tower body 30 volume, the water-in of the drainage pipeline 2 52 of lower end is higher than the loading height of carrier material silica sand 70, and carrier material silica sand 70 particle diameter is 0.1mm.

Successive reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel 10, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (2h), opens the valve 54 on drainage pipeline 50, and the sewage after process is discharged via drainage pipeline 1 and pipeline 55 by tower body 30 top, and tower body 30 internal liquid level starts to decline.When liquid level in tower body 30 is lower than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 is opened automatically, and it is inner that the sewage of production starts to enter tower body 30 by the external world.When liquid level in tower body 30 is higher than drainage pipeline 1 and tower body 30 Link Port position, solenoid electric valve 11 cuts out automatically.Ensure tower body 30 internal liquid level height by the automatic open and close of solenoid electric valve 11, the sewage velocity of discharge in tower body 30 and sewage reaction time in tower body 30 can be controlled by the unlatching size of regulated valve 54, ensure wastewater treatment efficiency.

Rhythmic reaction pattern

After the carrier material silica sand 70 that filling is appropriate in tower body 30, ON cycle water pump 20 and the solenoid electric valve 11 on inlet channel, the sewage of production flows into tower body 30 inside by workshop or storage pool through inlet channel 10 and water distributor 60.After sewage is full of tower body 30, solenoid electric valve 11 cuts out automatically, and solenoid electric valve 41 is opened automatically, and the sewage in tower body 30 starts to circulate with water distributor 60 via circulating line 40, water circulating pump 20.Add copperas solution by the first drug feeding pipeline 81, the second drug feeding pipeline 82 adds hydrogen peroxide, and the sewage added after medicament starts reaction.In tower body 30, effluent cycle reaction is to setting-up time (2h), closes water circulating pump 20 and solenoid electric valve 41, opens the valve 53 on drainage pipeline 2 52 after the silica sand precipitation in tower body 30.Sewage in tower body 30 after process is discharged via drainage pipeline 2 52 and pipeline 55.When sewage level in tower body 30 is lower than drainage pipeline 2 52 and tower body 30 Link Port position, reopen water circulating pump 20 and solenoid electric valve 11, start sewage disposal next time.By Open valve 53, the most of sewage be disposed in tower body 30 can be made to discharge, to realize intermittent reaction.

Embodiment 4

The sewage disposal Fenton fluidized-bed that the embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 3:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 45 °, back taper tubular construction upper-end inner diameter D is 1.5 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

In the embodiment of the present invention 4, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

Successive reaction pattern

Rhythmic reaction pattern

Embodiment 5

The sewage disposal Fenton fluidized-bed that the embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 3:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 60 °, back taper tubular construction upper-end inner diameter D is 1.5 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

In the embodiment of the present invention 5, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

Successive reaction pattern

Rhythmic reaction pattern

Embodiment 6

The sewage disposal Fenton fluidized-bed that the embodiment of the present invention provides comprises tower body 30 for storing sewage, for inputting the inlet channel 10 of sewage and convenient drainage pipeline 50 of being discharged by the sewage after process to tower body 30, drainage pipeline 50 of the present invention is divided into two portions, be respectively drainage pipeline 1 and drainage pipeline 2 52, drainage pipeline 1 and drainage pipeline 2 52 are arranged at the position of the top and bottom of tower body 30 respectively, and come together in a pipeline 55 in tower body 30 lower end.The ratio of tower body 30 overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body 30 main part is 3:1, tower body 30 lower end is arc-shaped structure, tower body 30 upper end is back taper tubular construction, the cone angle of back taper tubular construction is 75 °, back taper tubular construction upper-end inner diameter D is 1.5 times of tower body 30 main part internal diameter d, back taper tubular construction upper end connects one section of cylindrical tubing configuration, sewage disposal Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body 30 length-to-diameter ratio, realize the efficiency utilization of medicament, reduce costs, Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, also silica sand can be prevented to run off through drainage pipeline, the inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.

In the embodiment of the present invention 6, this sewage disposal Fenton fluidized-bed also comprises the water distributor 60 that uniform fluid flow is flowed out be positioned at bottom tower body 30, the other end of circulating line 40 connects the water-in of water distributor 60 by water circulating pump 20, water distributor 60 is assembled by cylindricality open tube, comprise supervisor 61 and arm 62, water distributor arm 62 one end seals, the other end is also threaded connection to supervisor 61, arm 62 is inner to be communicated with supervisor 61 is inner, and the external diameter of supervisor 61 is 1.5 ~ 4.0 times of arm 62 external diameter; The water-in of described water distributor 60 is communicated with the water outlet of water circulating pump 20 by supervisor 61.Described water distributor arm 62 sidewall is evenly drilled with posticum 63, the aperture of posticum 63 is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum 63 is the one in 20mm ~ 60mm, and the posticum 63 that arbitrary neighborhood two is arranged is staggered pattern.

Successive reaction pattern

Rhythmic reaction pattern

Embodiment 7

The ratio of the embodiments of the invention 7 internal diameter d of tower body 30 overall height H and tower body 30 main part is as different from Example 1 10:1, and other step and parameter are identical with embodiment 1.

Embodiment 8

Embodiments of the invention 8 as different from Example 1 carrier material silicon sand grains footpath are 0.3mm, and other step and parameter are identical with embodiment 1.

Embodiment 9

Embodiments of the invention 9 as different from Example 1 carrier material silicon sand grains footpath are 0.6mm, and other step and parameter are identical with embodiment 1.

Embodiment 10

Embodiments of the invention 10 as different from Example 1 carrier material silicon sand grains footpath are 0.8mm, and other step and parameter are identical with embodiment 1.

Embodiment 11

Embodiments of the invention 11 as different from Example 1 carrier material silicon sand grains footpath are 1mm, and other step and parameter are identical with embodiment 1.

Compared to prior art, the Sewage treatment systems flexible operation of the Fenton fluidized-bed that above-described embodiment discloses, the automatic powder adding being realized sewage by the automatic open and close of solenoid electric valve is added and circulating reaction, is beneficial to select continous way or intermittent reaction operation by arranging different outfall positions.Continuous reaction pattern opens rear sustainable operation, saves cost of human resources, is applicable to the enterprise of continous way production and effluent sewerage, is also applicable to the occasion that sewage output is larger; Intermittent reaction pattern is applicable to the less enterprise of sewage quantum of output, can weekly or process once every day.

Fenton fluidized-bed structure of the present invention arranges rationally, by selecting suitable tower body length-to-diameter ratio, carrier silicon sand size and water distribution manner, silica sand fully being suspended and is scattered in the pending sewage of tower body, reducing power consumption simultaneously; By the unlatching of Reasonable Regulation And Control pipeline valve and the automatic interpolation of medicine, to simplify the operation course, and realize the efficiency utilization of medicine, reduce costs.In addition, this Fenton fluidized-bed tower body inverted cone-shaped structure simplicity of design is practical, and tower body dimension scale arranges rationally, while guarantee silica sand hoverheight, the silica sand suspended can be avoided to enter circulating line via tower body top and to damage water pump blade, silica sand also can be prevented to run off through drainage pipeline; The inner water distributor pore size and distribution of tower body both can avoid silica sand to block water distributing pore, can weaken again current by drag losses during water distributor, reduce energy consumption.The sewage disposal that the present invention adopts improves by the medicament utilization ratio of Fenton fluidized-bed, medicament is added directly in tower body by the first drug feeding pipeline and the second drug feeding pipeline, avoid the loss of medicament, and only regularly need give a small amount of supplementing, relatively traditional technology greatly reduces the consumption of medicament, catalyzed reaction is there is in the pollutent in medicament and sewage in tower body, inner for tower body sewage repeatedly reacts with medicament by the recycle system of fluidized-bed, substantially increase the reaction efficiency of medicament and dirty water pollutant, improve the utilization ratio of medicament and the clearance of pollutent.The present invention is provided with at Fenton fluidized-bed bottom the carrier material silica sand that admission space is about 10% ~ 30% of tower body volume, and silica sand dosage is moderate, cost-saving while ensureing crystallization effect, reduce fluidisation load, control PH to 3-4, is the crystallization effect of the best, is conducive to the process of sewage.

Above disclosedly be only preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims

1. a sewage disposal Fenton fluidized-bed, comprise the tower body (30) storing sewage, described tower body (30) is connected with the inlet channel (10) of input sewage in tower body (30), and the sewage after process is discharged the drainage pipeline of tower body (30), it is characterized in that:

This sewage disposal Fenton fluidized-bed also comprises water distributor (60), circulating line (40), water circulating pump (20) and drug feeding pipeline (80), described water distributor (60) is placed in the inner bottom of tower body (30), and the water outlet of water distributor (60) inner chamber and described water circulating pump (20) passes through pipeline communication; Described inlet channel (10) is communicated with by the bottom of described water circulating pump (20) with tower body (30), described circulating line (40) and drainage pipeline (50) lay respectively at tower body (30) both sides, and described circulating line (40) and drainage pipeline (50) and tower body (30) inner space;

One end of described circulating line (40) connects the top of tower body (30), the other end and the inlet channel (10) of described circulating line (40) are all connected with the water-in of described water circulating pump (20), described drug feeding pipeline (80) is positioned at tower body (30) upper end near the ingress of circulating line (40), and drug feeding pipeline (80) is divided into ferrous sulfate drug feeding pipeline (81) and hydrogen peroxide drug feeding pipeline (82);

Described drainage pipeline (50) comprises drainage pipeline one (51) and the drainage pipeline two (52) of the top and bottom being separately positioned on tower body (30), and come together in a pipeline (55) in tower body (30) lower end, described tower body (30) inner chamber is provided with carrier material silica sand (70), and described carrier material silica sand (70) is positioned at the top layer of described water distributor (60).

2. sewage disposal Fenton fluidized-bed as claimed in claim 1, it is characterized in that: the ratio of tower body (30) overall height H of this sewage disposal Fenton fluidized-bed and the internal diameter d of tower body (30) main part is 3 ~ 10:1, the lower end of tower body (30) is arc-shaped structure, the upper end of tower body (30) is back taper tubular construction, the cone angle of back taper tubular construction is 30 ~ 75 °, back taper tubular construction upper-end inner diameter D is 1.5-3 times of tower body (30) main part internal diameter d, and the upper end of back taper tubular construction connects one section of cylindrical tubing configuration.

3. sewage disposal Fenton fluidized-bed as claimed in claim 1, it is characterized in that: the inner chamber of tower body (30) is communicated with by the water-in of circulating line (40) with between circulating line (40), the inner chamber of described tower body (30) is communicated with by the water-in of drainage pipeline (50) with between drainage pipeline (50), and the water-in of described circulating line (40) is lower than drainage pipeline (50) water-in topmost.

4. sewage disposal Fenton fluidized-bed as claimed in claim 3, it is characterized in that: described inlet channel (10), circulating line (40) and drainage pipeline (50) are respectively equipped with valve, described valve adopts electromagnetic valve controlling system to control valve opening time, folding size.

5. sewage disposal Fenton fluidized-bed as claimed in claim 3, it is characterized in that: the admission space of described carrier material silica sand (70) is about 10% ~ 30% of tower body (30) volume, the water-in of the drainage pipeline two (52) of lower end is higher than the loading height of carrier material silica sand (70); Described carrier material silica sand (70) particle size range is 0.1mm ~ 1.0mm.

6. sewage disposal Fenton fluidized-bed as claimed in claim 1, it is characterized in that: described water distributor (60) is assembled by cylindricality open tube, comprise supervisor (61) and arm (62), water distributor arm (62) one end seals, the other end is also threaded connection to supervisor (61), arm (62) is inner to be communicated with supervisor (61) inside, and the external diameter of supervisor (61) is 1.5 ~ 4.0 times of arm (62) external diameter; The water-in of described water distributor (60) is communicated with the water outlet of water circulating pump (20) by supervisor (61).

7. sewage disposal Fenton fluidized-bed as claimed in claim 6, it is characterized in that: described water distributor arm (62) sidewall is evenly drilled with posticum (63), the aperture of posticum (63) is the array configuration of a kind of specification in 20mm ~ 70mm or multiple different size, the spacing of posticum (63) is the one in 20mm ~ 60mm, and the posticum (63) that arbitrary neighborhood two is arranged is staggered pattern.

8. sewage disposal Fenton fluidized-bed as claimed in claim 1, is characterized in that: the bottom of described tower body (30) is provided with the Residue extraction pipeline of discharging for silica sand or waste residue.

9. a method of disposing of sewage for sewage disposal Fenton fluidized-bed as claimed in claim 1, is characterized in that, comprise the following steps:

One, after the carrier material silica sand (70) that filling is appropriate in tower body (30), ON cycle water pump (20) and the solenoid electric valve (11) on inlet channel (10), the sewage of production flows into tower body (30) inside by workshop or storage pool through inlet channel (10) and water distributor (60);

Two, after sewage is full of tower body (30), solenoid electric valve (11) cuts out automatically, solenoid electric valve (41) on circulating line (40) is opened automatically, and the sewage in tower body (30) starts to circulate with water distributor (60) via circulating line (40), water circulating pump (20);

Three, add copperas solution by the first drug feeding pipeline (81), add hydrogen peroxide by the second drug feeding pipeline (82), the sewage added after medicament starts reaction;

Four, after tower body (30) interior effluent cycle reaction 0.5-2.0h, open the valve (54) be positioned on the drainage pipeline one (51) of tower body (30) upper end, sewage after process is discharged via drainage pipeline one (51) and pipeline (55) by tower body (30) top, and tower body (30) internal liquid level starts to decline;

Five, when liquid level in tower body (30) is lower than position with tower body (30) Link Port of drainage pipeline one (51), solenoid electric valve (11) is opened automatically, and it is inner that the sewage of production starts to enter tower body (30) by the external world;

Six, when liquid level in tower body (30) is higher than drainage pipeline one (51) and tower body (30) Link Port position, solenoid electric valve (11) cuts out automatically, tower body (30) internal liquid level height is ensured by the automatic open and close of solenoid electric valve (11), the sewage velocity of discharge in tower body (30) and sewage reaction time in tower body (30) can be controlled by the unlatching size of regulated valve (54), ensure wastewater treatment efficiency.

10. a method of disposing of sewage for sewage disposal Fenton fluidized-bed as claimed in claim 1, is characterized in that, comprise the following steps:

Four, after tower body (30) interior effluent cycle reaction 0.5-2.0h, close water circulating pump (20) and solenoid electric valve (41), after carrier material silica sand (70) precipitation in tower body (30), open the valve (53) be positioned on the drainage pipeline two (52) of tower body (30) lower end, the sewage in tower body (30) after process is discharged via drainage pipeline two (52) and pipeline (55);

Five, when the sewage level in tower body (30) is lower than drainage pipeline two (52) and tower body (30) Link Port position, reopen water circulating pump (20) and solenoid electric valve (11), start sewage disposal next time;

Six, by Open valve (53), the most of sewage be disposed in tower body (30) can be made to discharge, to realize intermittent reaction.