CN201190116Y - Normal temperature and pressure sewage treatment reaction tank by catalytic oxidation and composite set - Google Patents
Normal temperature and pressure sewage treatment reaction tank by catalytic oxidation and composite set Download PDFInfo
- Publication number
- CN201190116Y CN201190116Y CNU2007200696653U CN200720069665U CN201190116Y CN 201190116 Y CN201190116 Y CN 201190116Y CN U2007200696653 U CNU2007200696653 U CN U2007200696653U CN 200720069665 U CN200720069665 U CN 200720069665U CN 201190116 Y CN201190116 Y CN 201190116Y
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- normal temperature
- catalytic oxidation
- reaction tank
- pond body
- sewage disposal
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Abstract
The utility model relates to a catalytic oxidation sewage processing reaction tank and a combined device used under normal temperature and pressure. The reaction tank comprises a tank body, a positive electrode and a negative electrode inside the cavity of the tank body, a water inlet, a water outlet and an air inlet, wherein, composite catalyst is filled into the cavity of the tank body, and an air distribution system is arranged in the tank body. The sewage processing combined device is formed in a way that reaction tanks are connected in series or in parallel or in a hybrid type. The utility model has the advantages that the catalytic oxidation sewage processing can be realized under normal temperature and pressure, the processing of waste water with high concentration and difficult degradation is realized, the use is secure, the occupied space is small, the manufacturing cost and the running cost are low, and the application is extensive.
Description
Technical field
The utility model relates to a kind of chemical oxidization method waste disposal plant, particularly a kind of normal temperature and pressure catalytic oxidation Waste water treatment reaction tank and aggregate unit.
Background technology
Find that from scientist Fenton in 1894 ferrous iron and hydrogen peroxide mixing can produce hydroxyl radical free radical OH and begin, hydroxyl radical free radical OH has become unique that domestic and international water treatment expert generally acknowledges can realize no selective oxidation to various organic pollutants in the water, and can complete oxidation be CO
2And H
2The superpower oxygenant of O, it is that hydroxyl radical free radical OH has high oxidizing electrode current potential at all, (2.80V) with good Electron Affinities, its electron affinity is 569.3KJ, the easy high cloud density point of attack, make the α-C-H position, C position of the macromolecular compound of difficult degradation in the waste water be broken into low molecular compound, β or Y-C, C-C ruptures simultaneously.High molecular color development in the similar dyestuff high-colour intensity wastewater, help the look conjugated system destroyed after, the clearance of colourity is up to 83.6% (wet oxidation).The hydroxyl radical free radical oxidizing reaction is made of a succession of free chain reaction, under electromagnetic interference, produce the transfer transport imbalance simultaneously and form a large amount of aggressive extremely strong all kinds of organic free radicals, peroxide radical, further participate in reaction together with OH, oxygenolysis takes place, obtain oxidative degradation until organic pollutant, reach the purpose of decontamination, detoxification, sterilization, algae removal.Therefore the water treatment expert of countries in the world is the oxidation technology of core in research transfer and generation hydroxyl radical free radical OH.
With Fenton is the chemical oxidization method of representative, with wet oxidation (AWO) and supercritical water oxidation (SOWO) is the high temperature and high pressure method of representative, become the photochemical catalytic oxidation of research focus in recent years, become three big main flows of whole world research hydroxyl radical free radical OH transfer and generation technique.Although yet the expert uses great amount of manpower both at home and abroad, material resources are studied the practicality that various homogeneous phases or heterogeneous catalyst improve hydroxyl oxidize, but inevitable limitation is arranged because above-mentioned technology is transferred the ultimate principle of hydroxyl, can not on restraining factors such as reaction conditions, obtain to break through, as: chemical oxidization method needs the adding chemical reagent of quantitative ratio, wet oxidation (AWO) and supercritical water oxidation (SOWO) need High Temperature High Pressure, its device fabrication is to the corrosion-resistant requirement that harshness is arranged under heat resisting and pressure resisting and the high-temperature and high-pressure conditions, and photochemical catalytic oxidation must have unique light source.And saturating Xiao of high concentration water leads obviously and can influence reaction effect.
Summary of the invention:
The purpose of this utility model is to provide a kind of normal temperature and pressure catalytic oxidation Waste water treatment reaction tank and aggregate unit at the defective of prior art existence, and is safe in utilization, realization removes waste water to high-concentration hardly-degradable and handles, take up an area of and lack, cost is low, and running cost are low and purposes is wide.
For achieving the above object, the present invention adopts following technical proposals:
A kind of normal temperature and pressure catalytic oxidation sewage disposal reaction tank comprises the pond body of bringing water outlet into, the inlet mouth that is inserted in endoceliac positive and negative electrode in pond and body bottom, pond, it is characterized in that filling in the body cavity of pond composite catalyst; The pond body is provided with gas distribution system in (3).
Above-mentioned rare precious metal solution is Silver Nitrate or manganous sulfate etc., according to the character preparation of waste water.
Above-mentioned gas distribution system is: intracoelomic cavity bottom in described pond is provided with aeration tube and connects described inlet mouth, above aeration tube, is positioned at the bottom of pond body, is provided with screen plate, uniform installation filter on the screen plate.
Above-mentioned body both sides, pond inwall has corresponding electrode slot, makes the alternate Chi Tizhong of being inserted in of positive and negative electrode vertical parallel.Or be symmetrical arranged up and down.
A kind of normal temperature and pressure catalytic oxidation sewage disposal associated plant, comprise above-mentioned normal temperature and pressure catalytic oxidation sewage disposal reaction tank, it is characterized in that having a plurality of normal temperature and pressure catalytic oxidation sewage disposal reaction tanks, the mode that connects the water-in of back one reaction tank with the water outlet of its last reaction tank formation of contacting; Perhaps the mode that connects the water-in of a plurality of reaction tanks in back with the water outlet of a plurality of reaction tanks in front carries out and connects constituting; Perhaps with described polyphone with and connect that bonded is hybrid to connect and compose.
Principle of work is as follows:
Fill composite catalyst in the reaction tank, composite catalyst is the activated carbon particle of band rare precious metal, and activated carbon is the big electroconductive particle electrode of a kind of contact resistance, and it has not only increased the area of electrode, has also shortened the electronic transfer process of reactant.Because this activated carbon is the reactant that is loaded with catalyzer, when waste water entered reaction tank, activated carbon just began absorption to the pollution organism in the waste water, saturated, under the effect of electric field and gas, constantly produce absorption-saturated-desorption simultaneously, realize catalytic oxidation process.
During gas distribution system work, gas is distributed on the working electrode equably, the oxygen that this moment, dissolved oxygen and anode produced generates the extremely strong H of oxidisability in cathodic reduction
2O
2With the OH hydroxyl radical free radical.Under the effect at composite catalyst in the process that produces hydroxyl radical free radical OH, the imbalance in band rare precious metal active carbon granule sub-electrode magnetic field has produced a large amount of free chain reactions, and produces the extremely strong free radical of considerable damage.O, H, O
- 2HO
2 -,+O
3 -Deng.
All kinds of organic reactions can be summed up as three major types basically in hydroxyl radical free radical OH and the waste water: 1, hydroxyl substitution reaction.2, dehydrogenation reaction.3, electron-transfer reaction.
The final dissolved oxygen reaction that generates in unsettled alkane hydroxy radical qiao R and the water of organism generated oxyalkyl hydroxyl ROO, thereby causes free its chain oxidizing reaction to be decomposed into CO until organism by exhaustive oxidation in above-mentioned all kinds of reactions
2And H
2Till the O.
Under above many conditions, prove under acidic conditions through test and test, following hydroxyl formation reaction takes place respectively under the alkaline condition and under the ozone base concurrent conditions:
Under the acidic conditions: (M Γ ed-is ortho states MOX-oxidation state also)
MΓred+H
2O
2+H→MOX
+·OH+HO
-
Under the alkaline condition: Mred+H
2O
2+ H → MOX+OH+OH
Under the ozone concurrent conditions:
H
2O
2+H
2O
2→H
3O+HO
2 -
O
3+HO
2 -→·OH+O
2 -+O
2
O
3+·O
2→·O
3 -+O
2
O
3 -+H
2O→·OH+·OH
-+O
2
The concentration that science is measured hydroxyl radical free radical OH reaches that 0.3mg/L is above just to have unusual effect to the removal of organic pollutant.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: the present invention fills composite catalyst in the electrolytic oxidation sewage disposal reaction tank, the rational combinations of pairs of electrode materials that electrolysis is used, and adopted effective gas distribution system, thereby realize the catalyzed oxidation sewage disposal at normal temperatures and pressures, the present invention adopts reaction tank is connected, or in parallel, or mixes the sewage disposal that connects under the suitable various situations of associated plant.The present invention can reach the processing to high-concentration hardly-degradable waste water, and is safe in utilization, takes up an area of to lack, and cost is low, and running cost are low, and purposes is wide.
Description of drawings
Fig. 1 is the structural representation of the normal temperature and pressure catalytic oxidation sewage disposal reaction tank of one embodiment of the invention.
Fig. 2 is an A-A place sectional view among Fig. 1.
Fig. 3 Fig. 4 and Fig. 5 are respectively three tandems of the present invention, the structural representation of parallel and hybrid normal temperature and pressure catalytic oxidation sewage disposal associated plant.
Embodiment
A preferred embodiment of the present invention is described as follows:
Referring to Fig. 1, this normal temperature and pressure catalytic oxidation sewage disposal reaction tank comprises intake- outlet 2,6 pond bodies 3, be inserted in the positive and negative electrode 4,5 in pond body 3 chambeies and the inlet mouth 1 of pond body 3 bottoms, the material combinations of pairs of positive and negative electrode 4,5 is: graphite-iron combination, or stainless steel-iron combination, or iron-aluminium combination, or titanium base material plating rare elements-stainless steel combination is arranged.Fill composite catalyst 7 in pond body 3 chambeies.Be provided with gas distribution system in the pond body 3.Above-mentioned composite catalyst 7 is that described rare precious metal solution is Silver Nitrate or manganous sulfate etc. by the activated carbon of the band rare precious metal that forms with high-temperature roasting again behind the activated carbon dipping rare precious metal solution.Above-mentioned gas distribution system is: body 3 intracavity bottoms in pond are provided with aeration tube 10 and connect inlet mouth 2, above aeration tube 10, are positioned at the bottom of pond body 3, are provided with screen plate 8, and uniform installation produces the filter 9 of small bubbles on the screen plate 8.Referring to Fig. 2, body 3 both sides inwalls in pond have corresponding electrode slot 11, make that positive and negative electrode 4,5 vertical parallel are alternate to be inserted in the pond body 3 or to be symmetrical arranged up and down.
Second embodiment of the present invention is: referring to Fig. 3, this tandem normal temperature and pressure catalytic oxidation sewage disposal associated plant, adopt the normal temperature and pressure catalytic oxidation sewage disposal reaction tank of a plurality of the foregoing descriptions, the mode that connects the water-in 2 of back one reaction tank with the water outlet 6 of its last reaction tank formation of contacting.
The 3rd embodiment of the present invention is: referring to Fig. 4, and this parallel normal temperature and pressure catalytic oxidation sewage disposal associated plant.Adopt the normal temperature and pressure catalytic oxidation sewage disposal reaction tank of a plurality of previous embodiment, the water-in 2 that the water outlet of former a plurality of reaction tanks connects a plurality of reaction tanks in back constitutes.
The 4th embodiment of the present invention is: referring to Fig. 5, this hybrid normal temperature and pressure catalytic oxidation sewage disposal associated plant is to adopt a plurality of aforesaid normal temperature and pressure sewage disposal reaction tanks, with the polyphone of the second and the 3rd embodiment with and connect combine hybrid and connect and compose.
Claims (5)
1, a kind of normal temperature and pressure catalytic oxidation sewage disposal reaction tank comprises the pond body (3) of bringing water outlet (2,6) into, is inserted in the positive and negative electrode (4,5) in pond body (3) chamber and the inlet mouth (1) of pond body (3) bottom, it is characterized in that:
1) fills composite catalyst (7) in pond body (3) chamber;
2) be provided with gas distribution system in the pond body (3).
2, normal temperature and pressure catalytic oxidation sewage reaction tank according to claim 2 is characterized in that described rare precious metal solution is Silver Nitrate or manganous sulfate etc.
3, normal temperature and pressure catalytic oxidation sewage disposal reaction tank according to claim 1, it is characterized in that described gas distribution system is: described pond body (3) intracavity bottom is provided with aeration tube (10) and connects described inlet mouth (2), in aeration tube (10) top, be positioned at the bottom of pond body (3), be provided with screen plate (8), screen plate (8) is gone up uniform installation filter (9).
4, normal temperature and pressure catalytic oxidation sewage disposal reaction tank according to claim 1, it is characterized in that described pond body (3) both sides inwall has corresponding electrode slot (11), make that positive and negative electrode (4,5) vertical parallel is alternate to be inserted in the pond body or to be symmetrical arranged up and down in (3).
5, a kind of normal temperature and pressure catalytic oxidation sewage disposal associated plant, comprise normal temperature and pressure catalytic oxidation sewage disposal reaction tank according to claim 1, it is characterized in that having a plurality of normal temperature and pressure catalytic oxidation sewage disposal reaction tanks, the mode that connects the water-in (2) of back one reaction tank with the water outlet (6) of its last reaction tank formation of contacting; Perhaps the mode that connects the water-in (2) of a plurality of reaction tanks in back with the water outlet (6) of a plurality of reaction tanks in front carries out and connects constituting; Perhaps with described polyphone with and connect that bonded is hybrid to connect and compose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200696653U CN201190116Y (en) | 2007-05-08 | 2007-05-08 | Normal temperature and pressure sewage treatment reaction tank by catalytic oxidation and composite set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200696653U CN201190116Y (en) | 2007-05-08 | 2007-05-08 | Normal temperature and pressure sewage treatment reaction tank by catalytic oxidation and composite set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190116Y true CN201190116Y (en) | 2009-02-04 |
Family
ID=40334275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200696653U Expired - Lifetime CN201190116Y (en) | 2007-05-08 | 2007-05-08 | Normal temperature and pressure sewage treatment reaction tank by catalytic oxidation and composite set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201190116Y (en) |
-
2007
- 2007-05-08 CN CNU2007200696653U patent/CN201190116Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SUZHOU LUNQIN INDUSTRY DESIGN CO., LTD. Assignor: Jiang Guoping Contract fulfillment period: 2009.5.14 to 2017.5.13 Contract record no.: 2009310000071 Denomination of utility model: Normal temperature and pressure catalytic oxidation sewage disposal reaction tank and combined device Granted publication date: 20090204 License type: Exclusive license Record date: 20090526 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.14 TO 2017.5.13; CHANGE OF CONTRACT Name of requester: SHANGHAI DONGZHEN ENVIRONMENTAL PROTECTION ENGINEE Effective date: 20090526 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
|
| CX01 | Expiry of patent term |