CN106145307B - A kind of catalytic oxidation treatment device for used water difficult to degradate - Google Patents
A kind of catalytic oxidation treatment device for used water difficult to degradate Download PDFInfo
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- CN106145307B CN106145307B CN201510206993.2A CN201510206993A CN106145307B CN 106145307 B CN106145307 B CN 106145307B CN 201510206993 A CN201510206993 A CN 201510206993A CN 106145307 B CN106145307 B CN 106145307B
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- groove body
- deflector
- degradate
- settling zone
- guiding region
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Abstract
The present invention provides a kind of catalytic oxidation treatment devices for used water difficult to degradate, including groove body, water inlet pipe, deflector, outlet pipe, wherein the deflector is set in groove body, and is interconnected guiding region and settling zone by groove body inside division；The groove body bottom is V-type, and the bottom end of V-type bottom is located at guiding region, and the water inlet pipe is set to the bottom end of V-type bottom；The outlet pipe is set to the sidewall upper of groove body settling zone side；The deflector has magnetism, and the settling zone is provided with catalyst granules.The present invention uses V-type bottom, and the bottom end of V-type bottom is located at guiding region, and the catalyst granules for being set to settling zone is not easy to be deposited to reaction tank bottom, and catalyst not easily runs off；Present device features simple structure is easy installation, can be applied to the oxidation processes containing organic pollutant.
Description
Technical field
The present invention relates to the technical field of industrial wastewater recycling, specifically a kind of catalysis oxidation for used water difficult to degradate
Processing unit.
Background technique
High-leveled and difficult waste water industry is wide, is related to municipal (landfill leachate), papermaking, petroleum, electronics, chemical industry, medicine, process hides, print
The industries such as dye, military project.Quantity is more, and there are tens of thousands of industrial chemicals enterprises in the whole nation, and harm is big, and the primary pollution source of water body causes me
Cancer village, state frequency is existing.Since chemical industry is of a great variety, complex process, product multiplicity, the pollutant kind discharged in production is more,
Quantity is big, toxicity is high, and for a long time, high concentration, high saliferous, organic wastewater with difficult degradation thereby processing are always what water treatment field faced
Worldwide technological puzzle.Such waste water is very big to environmental hazard.Pollutant be difficult to biodegrade and to biochemical reaction have inhibition and
Toxic action；Incineration method has the shortcomings that steam raising, and energy consumption is high, and boiler fouling, or even damage are easily caused when with high salt.
H2O2With Fenton method to generate the advanced oxidation processes based on oxyradical, free radical is utilized to cause chain type
Oxidation reaction improves oxidizing reaction rate although significantly reducing oxidation reaction activation energy, to destroy organic matter rapidly
Molecular structure oxidative degradation removes organic matter, but still has the drawback that ferrous salt consumption is big, turnover rate is high, sludge output
Greatly.
CN102992453A discloses a kind of two-phase cycle catalytic oxidizing equipment, including the pH tune for adjusting pH value of waste water
Section slot, the electrolytic oxidation slot that Fe3+ is reduced to Fe2+ simultaneously for carrying out Fenton oxidation reaction, need a large amount of power consumptions, and
Fe ion is largely lost.
CN1562817 discloses a kind of magnetic Nano TiO2/SiO2/Fe3O4Composite photo-catalyst purify method for waste water and its
Device, this method be through chemical coagulation and precipitation combine distinctive photocatalytic oxidation device make sewage under conditions of illumination with nanometer
Photochemical catalyst powder is sufficiently mixed, and photocatalysis oxidation reaction occurs, so that nuisance be made to be easily oxidized or reduced.The present invention needs
Light source activation, photoelectric conversion waste a large amount of energy consumptions.
CN1500737 is disclosed a kind of to be gone to remove water with magnetic adsorbent absorption-Magneto separate-catalysis oxidation water treatment technology
Middle organic pollutant is that adsorbent adsorbs Organic substance in water using ferrous acid salt form metal composite oxide or tax magnetic active carbon,
Then pass through Magneto separate, then be placed in catalytic oxidation system and regenerated, adsorbent can be recycled.The present invention is needed by magnetic point
From, secondary recycling, process is complicated.
Summary of the invention
The present invention aiming at the above shortcomings existing in the prior art, provides a kind of catalysis oxidation for used water difficult to degradate
Processing unit retains the hydrogen peroxide or Fenton reagent of magnetic catalyst built in the catalytic oxidation treatment device automatically, and V-type is arranged
Bottom, Fenton reagent or hydrogen peroxide and waste water utilize the oxygen of decomposing hydrogen dioxide solution to pass through from bottom water inlet pipe inflow reaction tank
Under the guide functions of deflector, makes the catalyst directed flow in reactor, pressed from both sides from the bottom of reactor by generated reactive gas
Band fluxion strap returns water surface, then the settling zone flowed from top to no gas, and slow precipitating returns to reactor bottom, reduces
The precipitating dead angle of catalyst and simple composite increase the utilization rate of catalyst.
To achieve the above object, the present invention is achieved by the following technical solutions.
A kind of catalytic oxidation treatment device for used water difficult to degradate, including groove body, water inlet pipe, deflector, outlet pipe,
In, the deflector is set in groove body, and is interconnected guiding region and settling zone by groove body inside division；The groove body
Bottom is V-type, and the bottom end of V-type bottom is located at guiding region, and the water inlet pipe is set to the bottom end of V-type bottom；The outlet pipe
It is set to the sidewall upper of groove body settling zone side；The deflector has magnetism, and the catalyst granules is set to settling zone,
Waste water is entered the guiding region of groove body with hydrogen peroxide or Fenton reagent by water inlet pipe together.
Preferably, the internal layer of the deflector uses magnet material, and the outer layer of deflector is wrapped up using plastic material.
Preferably, the plastic material uses polyethylene, polypropylene or polyvinyl chloride.
Preferably, the top edge of the deflector is lower than below groove body liquid level.
Preferably, the catalyst granules is SiO2With Fe2O3Mixture, SiO2And Fe3O4Mixture, NiFe2O4、
CoFe2O4、MnFe2O4Or BaFe2O4。
Compared with prior art, the invention has the following beneficial effects:
1, using V-type bottom, and the bottom end of V-type bottom is located at guiding region, and the catalyst granules for being set to settling zone is not easy
It is deposited to reaction tank bottom, catalyst not easily runs off；
2, present device features simple structure, easy installation, can be applied to the oxidation processes containing organic pollutant.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of refractory wastewater device of the invention.
In figure: 1 is groove body；2 be water inlet pipe；3 be deflector；4 be catalyst；5 be outlet pipe；6 be guiding region；7 be heavy
Shallow lake area.
Specific embodiment
Elaborate below to the embodiment of the present invention: the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given.It should be pointed out that those skilled in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Embodiment
It present embodiments provides a kind of catalytic oxidation treatment device for used water difficult to degradate, including groove body, water inlet pipe, leads
Flowing plate, catalyst granules, outlet pipe, wherein the deflector is set in groove body, and is interconnected by groove body inside division
Guiding region and settling zone；The groove body bottom is V-type, and the bottom end of V-type bottom is located at guiding region, and the water inlet pipe is set to
The bottom end of V-type bottom；The outlet pipe is set to the sidewall upper of groove body settling zone side；The deflector has magnetism, institute
It states catalyst granules and is set to settling zone, waste water is entered the water conservancy diversion of groove body with hydrogen peroxide or Fenton reagent by water inlet pipe together
Area.
Further, the internal layer of the deflector uses magnet material, and the outer layer of deflector is wrapped up using plastic material.
Further, the plastic material uses polyethylene, polypropylene or polyvinyl chloride.
Further, the top edge of the deflector is lower than below groove body liquid level.
Further, the catalyst granules is SiO2With Fe2O3Mixture, SiO2And Fe3O4Mixture,
NiFe2O4、CoFe2O4、MnFe2O4Or BaFe2O4。
The present embodiment is further described with reference to the accompanying drawing.
As shown in Figure 1, groove body 1 is horizontal positioned, the lower end of groove body 1 is equipped with V-type bottom, and water inlet pipe 2 is located at V-type bottom,
Fenton reagent or hydrogen peroxide and waste water are from water inlet pipe inflow reaction tank, using the oxygen of decomposing hydrogen dioxide solution through deflector 3
Under guide functions, make 4 directed flow of catalyst granules in reactor, from the bottom of reactor by generated reactive gas entrained flow
Dynamic band returns water surface through guiding region 6, and the top edge of guiding region 6 is lower than the water level of outlet pipe 7, makes magnetic catalyst granule again
The settling zone 7 flowed from top to no gas, slow precipitating return to reactor bottom, reduce precipitating dead angle and the letter of catalyst
It is single compound, increase the utilization rate of catalyst.Catalytic oxidation treatment device provided in this embodiment can be applied to containing organic contamination
The oxidation processes of object.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (3)
1. a kind of catalytic oxidation treatment device for used water difficult to degradate, which is characterized in that including groove body, water inlet pipe, deflector,
Outlet pipe, wherein the deflector is set in groove body, and is interconnected guiding region and precipitating by groove body inside division
Area；The groove body bottom is V-type, and the bottom end of V-type bottom is located at guiding region, and the water inlet pipe is set to the bottom end of V-type bottom；
The outlet pipe is set to the sidewall upper of groove body settling zone side；The deflector has magnetism, and the settling zone is provided with
Catalyst granules, waste water are entered the guiding region of groove body with hydrogen peroxide or Fenton reagent by water inlet pipe together；
The internal layer of the deflector uses magnet material, and the outer layer of deflector is wrapped up using plastic material；
The top edge of the deflector is lower than below groove body liquid level.
2. the catalytic oxidation treatment device according to claim 1 for used water difficult to degradate, which is characterized in that the plastics
Material uses polyethylene, polypropylene or polyvinyl chloride.
3. the catalytic oxidation treatment device according to claim 1 for used water difficult to degradate, which is characterized in that the catalysis
Agent particle is SiO2With Fe2O3Mixture, SiO2And Fe3O4Mixture, NiFe2O4、CoFe2O4、MnFe2O4Or BaFe2O4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206993.2A CN106145307B (en) | 2015-04-27 | 2015-04-27 | A kind of catalytic oxidation treatment device for used water difficult to degradate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206993.2A CN106145307B (en) | 2015-04-27 | 2015-04-27 | A kind of catalytic oxidation treatment device for used water difficult to degradate |
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| CN106145307A CN106145307A (en) | 2016-11-23 |
| CN106145307B true CN106145307B (en) | 2019-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108911236B (en) * | 2018-07-11 | 2024-04-16 | 王晶 | Moving bed oxidation reactor suitable for sewage treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354140A (en) * | 2000-11-17 | 2002-06-19 | 中国科学院生态环境研究中心 | Catalytic electrolytic waste water treatment equipment |
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2015
- 2015-04-27 CN CN201510206993.2A patent/CN106145307B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354140A (en) * | 2000-11-17 | 2002-06-19 | 中国科学院生态环境研究中心 | Catalytic electrolytic waste water treatment equipment |
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| CN106145307A (en) | 2016-11-23 |
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