CN102774953A - Fenton fluidized bed and operating method thereof - Google Patents
Fenton fluidized bed and operating method thereof Download PDFInfo
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- CN102774953A CN102774953A CN2012101641634A CN201210164163A CN102774953A CN 102774953 A CN102774953 A CN 102774953A CN 2012101641634 A CN2012101641634 A CN 2012101641634A CN 201210164163 A CN201210164163 A CN 201210164163A CN 102774953 A CN102774953 A CN 102774953A
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Abstract
The invention discloses a Fenton fluidized bed which comprises a tower body, a water inlet tank, a water outlet tank, a water inlet pipe, a circulating pump and a chemical feed pipe, wherein the water inlet tank and the water outlet tank are respectively arranged on both sides of the upper end of the tower body, the water inlet tank and the water outlet tank are communicated with the inner cavity of the tower body, the water inlet tank is connected to the bottom of the tower body through the water inlet pipe, the circulating pump is arranged on the water inlet pipe, the chemical feed pipe is connected to the water inlet pipe, and iron sand for reaction promoting is arranged in the inner cavity of the tower body. An operating method of the Fenton fluidized bed comprises the following steps that: (1) ferrous sulfate and hydrogen peroxide are added into sewage so as to carry out iron sand mixed reaction; (2) a synergistic effect is formed with a Fenton system; (3) a part of purified sewage flows back to the water inlet tank to carry out recirculating reaction; (4) the other part of the purified sewage flows to the water outlet tank; and (5) the method is completed. Because most of ferric irons produced due to Fenton are crystallized or precipitated on the surface of iron sand so as to form a synergistic effect with a Fenton system, the treatment efficiency of wastewater is effectively improved.
Description
Technical field
The present invention relates to water treatment field, is a kind of Fenton fluidized-bed and method of work thereof specifically.
Background technology
Fluidized-bed is a kind of visual plant of disposing of sewage, and the principle of original biological treatment of sewage is to let airborne oxygen fully contact with sewage, makes airborne oxygen fully be dissolved in sewage.Under some special situation; After airborne oxygen and sewage fully dissolve, still can not effectively handle, just need to add an amount of medicament sewage; Medicament is mixed with sewage, yet existing fluidized-bed can not be done effective monitoring to quality of sewage disposal.
Therefore, need a kind of Fenton fluidized-bed especially, to solve the problem that exists in the prior art.
Summary of the invention
The objective of the invention is in order to solve in the prior art after WWT, the defective that can not handle the sewage quality provides a kind of Fenton fluidized-bed and method of work thereof to solve the problems referred to above.
To achieve these goals, technical scheme of the present invention is following:
A kind of Fenton fluidized-bed comprises tower body, inlet flume, effluent trough, inlet channel, water circulating pump and drug feeding pipeline, it is characterized in that; Said inlet flume and effluent trough are arranged at the both sides of tower body upper end respectively; And inlet flume and effluent trough are communicated with the inner chamber of tower body, and said inlet flume is connected the bottom of tower body through inlet channel, and said water circulating pump is arranged on the inlet channel; Said drug feeding pipeline is connected on the inlet channel, is provided with in the inner chamber of said tower body to be used to push away the iron sand that helps reaction.
Above-mentioned a kind of Fenton fluidized-bed; It is characterized in that said inlet channel is divided into two-way, comprise first inlet channel and second inlet channel; The quantity of water circulating pump and drug feeding pipeline also is two; Two drug feeding pipeline are respectively ferrous sulfate drug feeding pipeline and ydrogen peroxide 50 drug feeding pipeline, and said two water circulating pumps are arranged at respectively on first inlet channel and second inlet channel, and said two drug feeding pipeline connect first inlet channel and second inlet channel respectively.
Above-mentioned a kind of Fenton fluidized-bed is characterized in that the bottom of said tower body inner chamber is provided with water distribution pipe, and said water distribution pipe is provided with water distributing pore, and the two ends of said water distribution pipe connect first inlet channel and second inlet channel.
Above-mentioned a kind of Fenton fluidized-bed is characterized in that, is communicated with through water-in between the inner chamber of said tower body and the inlet flume, is communicated with through water outlet between the inner chamber of said tower body and the effluent trough, and the position of said water-in is lower than the water outlet position.
Above-mentioned a kind of Fenton fluidized-bed is characterized in that said water-in and water outlet are provided with the filter cap.
Above-mentioned a kind of Fenton fluidized-bed; It is characterized in that; Also be provided with in the cavity of said tower body and be used to stop iron sand with liquid level separator that rises and the support bar that is used to support separator, said support bar one end connects separator, and the support bar the other end is connected on the inwall of inner chamber of tower body.
Above-mentioned a kind of Fenton fluidized-bed is characterized in that said separator and support bar are integral structure.
A kind of method of work of Fenton fluidized-bed is characterized in that, may further comprise the steps:
(1) to adding ferrous sulfate and ydrogen peroxide 50 and direct and iron sand hybrid reaction in the sewage;
(2) the ferric iron major part that Yin Fendun produced crystallization or deposition on the iron sand surface form synergy with the Fenton system;
(3) part in the sewage after purifying then flows back to inlet flume circulating reaction again;
(4) sewage after another part purifies flows into effluent trough;
(5) accomplish.
A kind of Fenton fluidized-bed of the present invention and method of work thereof, compared with prior art, the ferric iron major part that Yin Fendun produced crystallization or deposition on the iron sand surface form synergy with the Fenton system, effectively improve the processing efficiency of waste water.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
For making constitutional features of the present invention and the effect reached there are further understanding and understanding, cooperate detailed explanation, explain as follows in order to preferred embodiment and accompanying drawing:
Referring to Fig. 1; A kind of Fenton fluidized-bed comprises tower body 300, inlet flume 100, effluent trough 200, inlet channel 400, water circulating pump 500 and drug feeding pipeline 600, and inlet flume 100 and effluent trough 200 are arranged at the both sides of tower body 300 upper ends respectively; Inlet flume 100 is communicated with the inner chamber of tower body 300 with effluent trough 200; Inlet flume 100 is connected the bottom of tower body 300 through inlet channel 400, and water circulating pump 500 is arranged on the inlet channel 400, and drug feeding pipeline 600 is connected on the inlet channel 400.In work; Sewage flows into inlet channel 400 from inlet flume 100; Water circulating pump 500 is used for extracting the drainage flow of inlet channel 500, adds medicine in 600 pairs of sewer lines of drug feeding pipeline then, and sewage and medicine flow into together in the tower body 300 and in the inner chamber of tower body 300 and react; Thereby purify waste water, final purification water later flows out from effluent trough 200.
The bottom of tower body 300 inner chambers is provided with water distribution pipe 810; Water distribution pipe 810 is provided with water distributing pore 820; The two ends of water distribution pipe 810 connect first inlet channel 410 and second inlet channel 420; First inlet channel, the 410 interior sewage that added ferrous sulfate flow in the water distribution pipe 810 from an end that sprays pipeline 810, from water distributing pore 820, are sprayed onto in the inner chamber of tower body 300 then; The sewage that has added in second inlet channel 420 of ferrous sulfate flows in the water distribution pipe 810 from an end of water distribution pipe 810, from water distributing pore 820, sprays out then.The sewage that is added with ferrous sulfate reacts in the inner chamber of tower body 300 with sewage that is added with ydrogen peroxide 50 and iron sand simultaneously, thereby sewage is purified.
Be provided with in the inner chamber of tower body 300 and be used to push away the iron sand 830 that helps reaction; Because entering into the sewage of the inner chamber purification reaction of tower body 300 gets more and more; Liquid level in the inner chamber can rise accordingly, in medicament and the sewage reflection process, is used to make better reacting with sewage of medicament.
Be communicated with through water-in 110 between the inner chamber of tower body 300 and the inlet flume 100; Be communicated with through water outlet 210 between the inner chamber of tower body 300 and the effluent trough 200; Purifying a water part later flows back in the inlet flume 100 through water-in 110; Form a backflow and purify once more, the water of another part then directly flows in the effluent trough 200 through water outlet 210.Water-in 110 is provided with filter cap 120, and water outlet 210 is provided with filter cap 220, and the effect of filter cap 120 and filter cap 220 is the suspended matter on sewage surface has also been played filtering effect.
The position of water-in 110 is lower than the position of water outlet 210; In real work, after the liquid level in the inner chamber of tower body 300 rises, at first can arrive the position of water-in 110; The water of a part can flow back in the inlet flume 100 circularly purifying again from water-in 110; And when liquid level continuation rising, liquid level arrives the position of water outlet 210, flow into the effluent trough 200 from water outlet 210 again.
Also be provided with in the cavity of tower body 300 and be used to stop that iron sand is with liquid level separator 840 that rises and the support bar 850 that is used to support separator 840; Separator 840 is an inverted cone; And outlet is offered on the top at cone, and support bar 850 has four, and four support bar 850 1 ends connect separator 840; Support bar 850 the other ends are connected on the inwall of inner chamber of tower body 300, and separator 840 is an integral structure with support bar 850.
A kind of method of work of Fenton fluidized-bed is characterized in that, may further comprise the steps:
(1) to adding ferrous sulfate and ydrogen peroxide 50 and direct and iron sand hybrid reaction in the sewage;
(2) the ferric iron major part that Yin Fendun produced crystallization or deposition on the iron sand surface form synergy with the Fenton system;
(3) part in the sewage after purifying then flows back to inlet flume circulating reaction again;
(4) sewage after another part purifies flows into effluent trough;
(5) accomplish.
The system that Fenton reagent is made up of ferrous ion and hydrogen peroxide, it can generate the hydroxyl radical free radical of strong oxidizing property, in the aqueous solution, generates organic free radical with hardly degraded organic substance and makes it structure deteriorate, final oxygenolysis.The Fenton fluidized-bed is that iron sand is incorporated in the Fenton system; Iron sand presents fluidized state in Fenton reactor; Because of ferric iron major part crystallization or the deposition on the iron sand surface that Fenton produced, form synergy with the Fenton system, effectively improve the processing efficiency of waste water.The Fenton fluidized-bed is a new technology that has combined the functions such as reduction of dissolved of homophase chemical oxidation (Fenton method), out-phase chemical oxidation (H2O2/FeOOH), fluidized-bed crystallization and FeOOH.
A kind of Fenton fluidized-bed of the present invention and method of work thereof, compared with prior art, the ferric iron major part that Yin Fendun produced crystallization or deposition on the iron sand surface form synergy with the Fenton system, effectively improve the processing efficiency of waste water.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; What describe in the foregoing description and the specification sheets is principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the present invention that requires protection.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (8)
1. Fenton fluidized-bed; Comprise tower body, inlet flume, effluent trough, inlet channel, water circulating pump and drug feeding pipeline; It is characterized in that said inlet flume and effluent trough are arranged at the both sides of tower body upper end respectively, and inlet flume and effluent trough are communicated with the inner chamber of tower body; Said inlet flume is connected the bottom of tower body through inlet channel; Said water circulating pump is arranged on the inlet channel, and said drug feeding pipeline is connected on the inlet channel, is provided with in the inner chamber of said tower body to be used to push away the iron sand that helps reaction.
2. a kind of Fenton fluidized-bed according to claim 1; It is characterized in that said inlet channel is divided into two-way, comprise first inlet channel and second inlet channel; The quantity of water circulating pump and drug feeding pipeline also is two; Two drug feeding pipeline are respectively ferrous sulfate drug feeding pipeline and ydrogen peroxide 50 drug feeding pipeline, and said two water circulating pumps are arranged at respectively on first inlet channel and second inlet channel, and said two drug feeding pipeline connect first inlet channel and second inlet channel respectively.
3. a kind of Fenton fluidized-bed according to claim 2 is characterized in that the bottom of said tower body inner chamber is provided with water distribution pipe, and said water distribution pipe is provided with water distributing pore, and the two ends of said water distribution pipe connect first inlet channel and second inlet channel.
4. a kind of Fenton fluidized-bed according to claim 3; It is characterized in that; Be communicated with through water-in between the inner chamber of said tower body and the inlet flume, be communicated with through water outlet between the inner chamber of said tower body and the effluent trough, the position of said water-in is lower than the water outlet position.
5. a kind of Fenton fluidized-bed according to claim 4 is characterized in that said water-in and water outlet are provided with the filter cap.
6. a kind of Fenton fluidized-bed according to claim 5; It is characterized in that; Also be provided with in the cavity of said tower body and be used to stop that iron sand is with liquid level separator that rises and the support bar that is used to support separator; Said support bar one end connects separator, and the support bar the other end is connected on the inwall of inner chamber of tower body.
7. a kind of Fenton fluidized-bed according to claim 6 is characterized in that said separator and support bar are integral structure.
8. the method for work of a Fenton fluidized-bed is characterized in that, may further comprise the steps:
(1) to adding ferrous sulfate and ydrogen peroxide 50 and direct and iron sand hybrid reaction in the sewage;
(2) the ferric iron major part that Yin Fendun produced crystallization or deposition on the iron sand surface form synergy with the Fenton system;
(3) part in the sewage after purifying then flows back to inlet flume circulating reaction again;
(4) sewage after another part purifies flows into effluent trough;
(5) accomplish.
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| CN2012101641634A CN102774953A (en) | 2012-05-24 | 2012-05-24 | Fenton fluidized bed and operating method thereof |
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| CN2012101641634A CN102774953A (en) | 2012-05-24 | 2012-05-24 | Fenton fluidized bed and operating method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
| CN106391018A (en) * | 2016-11-09 | 2017-02-15 | 中冶赛迪工程技术股份有限公司 | Method for preparing active waste slag catalyst by metallurgical waste slag and application of active waste slag catalyst |
| 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 |
| US10183878B2 (en) | 2014-02-19 | 2019-01-22 | Nanjing University | Fenton fluidized bed treatment apparatus and wastewater treatment method thereof |
| CN109761336A (en) * | 2017-11-09 | 2019-05-17 | 河北天友环保工程有限公司 | High efficient anti-blocking pulsed Fenton oxidation tower |
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| US6143182A (en) * | 1998-05-01 | 2000-11-07 | Industrial Technology Research Institute | Process for chemically oxidizing wastewater with reduced sludge production |
| CN101519251A (en) * | 2009-04-09 | 2009-09-02 | 广西大学 | Process for treating bio-refractory waste water by up-flow multi-phase oxidation column |
| CN201376913Y (en) * | 2009-04-09 | 2010-01-06 | 广西博世科环保科技有限公司 | Up-flowing multi-phase waste-water processing oxidation tower |
| CN102249393A (en) * | 2011-06-08 | 2011-11-23 | 武汉凯迪水务有限公司 | Circulating fluidized bed advanced treatment equipment for industrial wastewater |
| CN202139138U (en) * | 2011-07-20 | 2012-02-08 | 浙江环科环境研究院有限公司 | Improved Fenton fluidized bed waste water treatment device |
| CN202643404U (en) * | 2012-05-24 | 2013-01-02 | 苏州顶裕水务科技有限公司 | Fenton fluidized bed |
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2012
- 2012-05-24 CN CN2012101641634A patent/CN102774953A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6143182A (en) * | 1998-05-01 | 2000-11-07 | Industrial Technology Research Institute | Process for chemically oxidizing wastewater with reduced sludge production |
| CN101519251A (en) * | 2009-04-09 | 2009-09-02 | 广西大学 | Process for treating bio-refractory waste water by up-flow multi-phase oxidation column |
| CN201376913Y (en) * | 2009-04-09 | 2010-01-06 | 广西博世科环保科技有限公司 | Up-flowing multi-phase waste-water processing oxidation tower |
| CN102249393A (en) * | 2011-06-08 | 2011-11-23 | 武汉凯迪水务有限公司 | Circulating fluidized bed advanced treatment equipment for industrial wastewater |
| CN202139138U (en) * | 2011-07-20 | 2012-02-08 | 浙江环科环境研究院有限公司 | Improved Fenton fluidized bed waste water treatment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10183878B2 (en) | 2014-02-19 | 2019-01-22 | Nanjing University | Fenton fluidized bed treatment apparatus and wastewater treatment method thereof |
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
| CN106391018A (en) * | 2016-11-09 | 2017-02-15 | 中冶赛迪工程技术股份有限公司 | Method for preparing active waste slag catalyst by metallurgical waste slag and application of active waste slag catalyst |
| 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 |
| CN109761336A (en) * | 2017-11-09 | 2019-05-17 | 河北天友环保工程有限公司 | High efficient anti-blocking pulsed Fenton oxidation tower |
| CN109761336B (en) * | 2017-11-09 | 2021-12-24 | 河北天友环保工程有限公司 | Efficient anti-blocking pulse type Fenton oxidation tower |
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Application publication date: 20121114 |