CN105036323A - Micro-electrolysis catalysis strengthening hydrolytic acidification reactor - Google Patents
Micro-electrolysis catalysis strengthening hydrolytic acidification reactor Download PDFInfo
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- CN105036323A CN105036323A CN201510447663.2A CN201510447663A CN105036323A CN 105036323 A CN105036323 A CN 105036323A CN 201510447663 A CN201510447663 A CN 201510447663A CN 105036323 A CN105036323 A CN 105036323A
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Abstract
The invention provides a micro-electrolysis catalysis strengthening hydrolytic acidification reactor. The micro-electrolysis catalysis strengthening hydrolytic acidification reactor is characterized by comprising a water distribution and gas distribution area, a hydrolytic acidification area, a two-phase separation area and a catalysis strengthening micro-electrolysis area from the bottom up. The reactor provided by the invention is uniform in water distribution, uniform and controllable in gas distribution, unlikely to blockage and high in liquid and solid separation effect and shock load resistance, effectively improves the biodegradability of wastewater, and is suitable for treatment of recalcitrant sewage; trials show that the water inflow COD can be up to 50,000 mg/l, and the COD removal rate can reach 41%.
Description
Technical field
The invention belongs to technical field of waste water processing, particularly a kind of acidication works in coordination with the reactor of many metal catalytics light electrolysis.
Background technology
At present, because the complicated water yield of trade effluent water quality is large, the industries such as particularly textile printing and dyeing, metallurgical plating, papermaking; Some waste water COD > 10000mg/L is even containing some heavy metals and radioactive substance, if directly discharge will cause great pollution to surface water.
Major part biochemical property of industrial waste water is low, traditional acidication biological process is adopted to carry out pre-treatment to waste water, certain help is had to the biodegradability improving waste water, but treatment effect is limited, if add that many metal catalytics light electrolysis is assisted, the ferrous ion that light electrolysis produces is of value to the growth of acidication bacterium, the hydrogen ion that acidication produces and the hydroxide ion that many metal catalytics light electrolysis produces neutralize, to mutually promote reaction, macromolecular substance chain rupture possibility is increased, the biodegradability of waste water is greatly improved, for follow-up waste water treatment process creates good environment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light electrolysis catalytic intensification reactor for hydrolysis and acidification with higher COD clearance.
In order to solve the problems of the technologies described above, the invention provides a kind of light electrolysis catalytic intensification reactor for hydrolysis and acidification, it is characterized in that, comprise set gradually from top to bottom distribute water and air district, acidication district, two-phase laminated flow district and catalytic intensification light electrolysis district.
Preferably, described distribute water and air district comprises base plate and lower prop, the lower end of lower prop is connected with base plate, described base plate is provided with prosopyle and air inlet port, the upside of described base plate is provided with porous water distributor and porous gas pipe, porous water distributor is connected described prosopyle and air inlet port respectively with porous gas pipe, and the central authorities of base plate are provided with rot, and the bottom of lower prop is provided with the first mudhole and the second mudhole; Described acidication district comprises middle lower prop, and the described lower end of middle lower prop is connected with the upper end of lower prop, and the middle part of described middle lower prop is provided with leafy agitator, the rot described in leafy agitator connects; Described two-phase laminated flow district comprises middle column body, the upper end of the middle lower prop described in the connection of lower end of described middle column body, the first mud baffle plate and the second mud baffle plate is provided with in described middle column body, second mud baffle plate is located at the top of the first mud baffle plate, and the first described mud baffle plate and the second mud baffle plate are provided with sludge reflux hole; Described catalytic intensification light electrolysis district comprises column body, the upper end closed of described column body, the upper end of the middle column body described in the connection of lower end of column body, many metal catalytics suspension chain is provided with in described column body, many metal catalytics suspension chain connects many metal catalytics bag, and the top of column body is provided with posticum.
Preferably, described lower prop and middle lower prop, middle lower prop is all connected by LiPP tank technology with between column body with middle column body, middle column body.
Preferably, described prosopyle and air inlet port all have four.
Preferably, described porous gas pipe adopts multifunctional aerating device.
Preferably, the first described mud baffle plate and the second mud baffle plate and horizontal direction angle are 12-45 degree, and the vertical range between the first mud baffle plate and the second mud baffle plate is not less than 5cm.
Preferably, the first mud baffle plate, the second mud baffle plate and middle column body intersection are located in described sludge reflux hole.
Preferably, be provided with transversely strengthening body in described column body, the two ends of transversely strengthening body are connected with the inwall of column body, and the middle part of transversely strengthening body connects circular reinforcing body, and described many metal catalytics suspension chain is fixed on described circular reinforcing body.
More preferably, Flange joint is passed through between described transversely strengthening body and circular reinforcing body and between circular reinforcing body and many metal catalytics suspension chain.
Preferably, described many metal catalytics suspension chain is connected by nylon rope with many metal catalytics bag.
Preferably, in described many metal catalytics bag, the volume content of multimetallic catalyst is more than 25%.
Preferably, the volume ratio 2: 1-5: 1 in described acidication district and catalytic intensification light electrolysis district.
Present invention incorporates acidication theory and many metal catalytics light electrolysis theory, be integrated with mass transfer theory theory, fluidised form technology, biochemical process sewage disposal technology, electrochemical techniques and bio-reactor engineering.Water distribution area of the present invention adopts pulsed water distribution, makes water distribution even, does not block, improve the water distribution effect of reactor; Reactor hydrolysis acidification region adopts and to stir and micro-aeration combines, make waste water mix more evenly, both the catalytic intensification acidication of sewage, again the catalytic intensification mass transfer of matrix and microorganism; The effusion that the baffle plate in reactor two-phase laminated flow district avoids mud a large amount of, avoid mud to be attached to many metal catalytics face of wrapping simultaneously and stop micro-electrolysis reaction, light electrolysis and acidication use simultaneously and carry out neutralization reaction to pH simultaneously, make acidication and light electrolysis can obtain the acid or alkali environment be suitable for, combine biological process and electrochemical process sewage disposal technology.
Light electrolysis catalytic intensification reactor for hydrolysis and acidification of the present invention, each district between adopt LIPP tank technology to connect, low cost, is convenient to maintenance, and construction is fast.Described water distribution area adopts pulsed water distributor, and multiple spot water distribution, avoid dead angle, make reactor water distribution even, simultaneous reactions utensil has advantages such as not easily blocking, capacity of resisting impact load is strong.
The two-phase laminated flow district of described reactor of the present invention, adopt two pieces of mud baffle plates, most of mud is not easily run off, avoid again mud to be attached to many metal catalytics wrap face and affect many metal catalytics light electrolysis, two holes are had on mud baffle plate, avoid above partial sludge is deposited on, form the partial circulating in partial area simultaneously, increase the mass transfer of sewage, the intermediate product of acidication and many metal catalytics micro-electrolysis reaction is better combined, realize " overall to upper reaches, local complete mixing flow " state, be conducive to better carrying out of acidication and many metal catalytics light electrolysis.
The catalytic intensification light electrolysis district of described reactor of the present invention, adopt and hang many metal catalytics filler bag, waste water is better contacted with many metal catalytics bag, the waste water that acidication produces is slightly acidic, for many metal catalytics light electrolysis provides suitable sour environment, and light electrolysis ionizes out ferrous iron, for microorganism provides necessary nutritive substance, light electrolysis can consume hydrogen ion in weak acid situation, hydroxide ion can be produced under neutrality or weak basic condition, in a word, light electrolysis can make again waste water change to weakly alkaline direction, thus waste water light electrolysis and acidication are strengthened simultaneously.
Compared with prior art, the invention has the beneficial effects as follows:
1, reactor water distribution of the present invention is even, uniform air distribution is controlled, not easily block, solid-liquor separation is effective, anti impulsion load good, the biodegradability of effective raising waste water; Be applicable to the process of difficult degradation sewage, through fortune examination, influent COD can reach 41% up to 50000mg/l, COD clearance.
2, pulse water-feeding multiple spot water distribution has water distribution and evenly, not easily blocks the advantages such as shock-resistant;
3, stirring is combined with microbubble aeration, and promote that all even solid-liquid of water quality (sewage and microorganism) combines, acidication is more thorough simultaneously;
4, acidication biological process is combined with many metal catalytics micro electrolysis tech, has better treatment effect to used water difficult to degradate;
5, two-phase laminated flow district prevents sludge loss too many, and the generation preventing from a large amount of mud to be attached to many metal catalytics face of wrapping stoping micro-electrolysis reaction, the partial circulating simultaneously forming partial area promotes liquid mass transfer;
6, this reactor breaches the restriction of conventional hydrolysis acidifying pH, makes acidication and light electrolysis is more effective carries out.
Accompanying drawing explanation
Fig. 1 is light electrolysis catalytic intensification reactor for hydrolysis and acidification structural representation;
Fig. 2 is understructure schematic diagram;
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment
As shown in Figure 1, for light electrolysis catalytic intensification reactor for hydrolysis and acidification structural representation, described light electrolysis catalytic intensification reactor for hydrolysis and acidification, comprise set gradually from top to bottom distribute water and air district 21, acidication district 22, two-phase laminated flow district 23 and catalytic intensification light electrolysis district 24.
Described distribute water and air district 21 comprises base plate and lower prop, the lower end of lower prop is connected with base plate, described base plate is provided with prosopyle and air inlet port, the upside of described base plate is provided with porous water distributor 9 and porous gas pipe 10, porous water distributor 9 is connected described prosopyle and air inlet port respectively with porous gas pipe 10, the central authorities of base plate are provided with rot, and the bottom of lower prop is provided with the first mudhole 19 and the second mudhole 20; Described acidication district 22 comprises middle lower prop, and the described lower end of middle lower prop is connected with the upper end of lower prop, and the middle part of described middle lower prop is provided with leafy agitator 11, and leafy agitator 11 connects described rot; Described two-phase laminated flow district 23 comprises middle column body, the upper end of the middle lower prop described in the connection of lower end of described middle column body, the first mud baffle plate 12 and the second mud baffle plate 13 is provided with in described middle column body, second mud baffle plate 13 is located at the top of the first mud baffle plate 12, and the first described mud baffle plate 12 and the second mud baffle plate 13 are provided with sludge reflux hole 14; Described catalytic intensification light electrolysis district 24 comprises column body, the upper end closed of described column body, the upper end of the middle column body described in the connection of lower end of column body, many metal catalytics suspension chain 15 is provided with in described column body, many metal catalytics suspension chain 15 connects many metal catalytics bag, and the top of column body is provided with posticum 18.
Described lower prop and middle lower prop, middle lower prop is all connected by LiPP tank technology with between column body with middle column body, middle column body.Described prosopyle and air inlet port all have four, are respectively the first prosopyle 2, prosopyle 1, second, the 3rd prosopyle 3, the 4th prosopyle 4, first air inlet port 5, second air inlet port 6, the 3rd air inlet port 7 and the 4th air inlet port 8, and adopt pulse water-feeding.Described porous gas pipe 10 adopts multifunctional aerating device, can micro-aeration and middle aeration.Described distribute water and air district 21, acidication district 22 take to stir and micro-aeration simultaneously.The first described mud baffle plate 12 and the second mud baffle plate 13 are 30 degree with horizontal direction angle, and the vertical range between the first mud baffle plate 12 and the second mud baffle plate 13 is 5cm.The first mud baffle plate 12, second mud baffle plate 13 and middle column body intersection are located in described sludge reflux hole 14.
Be provided with transversely strengthening body 17 in described column body, the two ends of transversely strengthening body 17 are connected with the inwall of column body, and the middle part of transversely strengthening body 17 connects circular reinforcing body 16, and described many metal catalytics suspension chain 15 is fixed on described circular reinforcing body 16.Flange joint is passed through between described transversely strengthening body 17 and circular reinforcing body 16 and between circular reinforcing body 16 and many metal catalytics suspension chain 15.Described many metal catalytics suspension chain 15 is connected by nylon rope with many metal catalytics bag.In described many metal catalytics bag, the volume content of multimetallic catalyst is 25%.The volume ratio 4: 1 in described acidication district 22 and catalytic intensification light electrolysis district 24.Described multimetallic catalyst is made up of Fe, C, Cu, Au, Mn, Ni and Zn, wherein Fe, C mass ratio is 2: 1-6: 1, Fe, Cu mass ratio is 6: 1-12: 1, the 2%-20% that Au, Mn, Ni, Zn mass ratio is 2: 1: 1: 1-6: 1: 1: 1, Au, Mn, Ni, Zn total mass accounts for many metallic stuffings bag total mass.
Operation scheme of the present invention is as follows: used water difficult to degradate enters into porous water distributor 9 by pulse water-feeding by prosopyle, and by water distribution uniformity, air inlet port starts air inlet and carries out micro-aeration to porous gas pipe 10 simultaneously.Waste water enters into acidication district 22 behind distribute water and air district 21, and simultaneously in acidication district, leafy agitator 11 starts to stir, and waste water is hydrolyzed in acidication district 22 acidification reaction.Waste water enters two-phase laminated flow district 23 behind acidication district 22, and under the effect of the first mud baffle plate 12 and the second mud baffle plate 13, a large amount of mud is retained down, and sludge reflux hole 14 forms the partial circulating of local simultaneously.Waste water enters catalytic intensification light electrolysis district 24 through two-phase laminated flow district 23, waste water carries out micro-electrolysis reaction in catalytic intensification light electrolysis district 24, the water handled well is discharged by posticum 18, mud is when acidication district deposition is excessive simultaneously, is discharged by the first mudhole 19 and the second mudhole 20.
Claims (10)
1. a light electrolysis catalytic intensification reactor for hydrolysis and acidification, it is characterized in that, comprise set gradually from top to bottom distribute water and air district (21), acidication district (22), two-phase laminated flow district (23) and catalytic intensification light electrolysis district (24).
2. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, described distribute water and air district (21) comprises base plate and lower prop, the lower end of lower prop is connected with base plate, described base plate is provided with prosopyle and air inlet port, the upside of described base plate is provided with porous water distributor (9) and porous gas pipe (10), porous water distributor (9) is connected described prosopyle and air inlet port respectively with porous gas pipe (10), the central authorities of base plate are provided with rot, the bottom of lower prop is provided with the first mudhole (19) and the second mudhole (20), described acidication district (22) comprises middle lower prop, the described lower end of middle lower prop is connected with the upper end of lower prop, the middle part of described middle lower prop is provided with leafy agitator (11), the rot described in leafy agitator (11) connects, described two-phase laminated flow district (23) comprises middle column body, the upper end of the middle lower prop described in the connection of lower end of described middle column body, the first mud baffle plate (12) and the second mud baffle plate (13) is provided with in described middle column body, second mud baffle plate (13) is located at the top of the first mud baffle plate (12), and the first described mud baffle plate (12) and the second mud baffle plate (13) are provided with sludge reflux hole (14), described catalytic intensification light electrolysis district (24) comprises column body, the upper end closed of described column body, the upper end of the middle column body described in the connection of lower end of column body, many metal catalytics suspension chain (15) is provided with in described column body, many metal catalytics suspension chain (15) connects many metal catalytics bag, and the top of column body is provided with posticum (18).
3. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, described lower prop and middle lower prop, middle lower prop is all connected by LiPP tank technology with between column body with middle column body, middle column body.
4. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, described prosopyle and air inlet port all have four.
5. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, is characterized in that, described porous gas pipe (10) adopts multifunctional aerating device.
6. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, the first described mud baffle plate (12) and the second mud baffle plate (13) are 12-45 degree with horizontal direction angle, and the vertical range between the first mud baffle plate (12) and the second mud baffle plate (13) is not less than 5cm.
7. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, the first mud baffle plate (12), the second mud baffle plate (13) and middle column body intersection are located in described sludge reflux hole (14).
8. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, transversely strengthening body (17) is provided with in described column body, the two ends of transversely strengthening body (17) are connected with the inwall of column body, the middle part of transversely strengthening body (17) connects circular reinforcing body (16), and described many metal catalytics suspension chain (15) is fixed on described circular reinforcing body (16).
9. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, it is characterized in that, in described many metal catalytics bag, the volume content of multimetallic catalyst is more than 25%.
10. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1, is characterized in that, described acidication district (22) and the volume ratio 2: 1-5: 1 in catalytic intensification light electrolysis district (24).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109320029A (en) * | 2018-12-13 | 2019-02-12 | 湖南大辰环保科技有限公司 | Liquor production wastewater processing method and system |
| CN115286102A (en) * | 2022-10-09 | 2022-11-04 | 江苏锐盟体育科技有限公司 | Hydrolysis catalytic reaction tower |
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2015
- 2015-07-27 CN CN201510447663.2A patent/CN105036323B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109320029A (en) * | 2018-12-13 | 2019-02-12 | 湖南大辰环保科技有限公司 | Liquor production wastewater processing method and system |
| CN115286102A (en) * | 2022-10-09 | 2022-11-04 | 江苏锐盟体育科技有限公司 | Hydrolysis catalytic reaction tower |
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