CN105036323B - Light electrolysis catalytic intensification reactor for hydrolysis and acidification - Google Patents
Light electrolysis catalytic intensification reactor for hydrolysis and acidification Download PDFInfo
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- CN105036323B CN105036323B CN201510447663.2A CN201510447663A CN105036323B CN 105036323 B CN105036323 B CN 105036323B CN 201510447663 A CN201510447663 A CN 201510447663A CN 105036323 B CN105036323 B CN 105036323B
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- hydrolysis
- acidification
- light electrolysis
- baffle plate
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Abstract
The invention provides a kind of light electrolysis catalytic intensification reactor for hydrolysis and acidification is it is characterised in that include water distribution gas distribution area, hydrolysis acidification area, two-phase laminated flow area and the catalytic intensification light electrolysis area setting gradually from top to bottom.Reactor water distribution of the present invention is uniform, uniform air distribution is controlled, be not easily blocked, solid-liquor separation effect is good, anti impulsion load is good, effectively improve the biodegradability of waste water；The process of suitable difficult degradation sewage, through fortune examination, influent COD may be up to 50000mg/l, and COD clearance reaches 41%.
Description
Technical field
The invention belongs to technical field of waste water processing, work in coordination with many metal catalytics light electrolysis particularly to a kind of hydrolysis acidification
Reactor.
Background technology
At present, because the industrial wastewater water quality complexity water yield is big, the particularly industry such as textile printing and dyeing, metallurgical plating, papermaking；Have
A little waste water COD ＞ 10000mg/L even contain some heavy metals and radioactive substance, if direct discharge will be made to surface water
Become and greatly pollute.
Most of biochemical property of industrial waste water is low, carries out pre-treatment using traditional hydrolysis acidification bioanalysises to waste water, right
The biodegradability improving waste water has certain help, but treatment effect is limited, if carry out auxiliary plus many metal catalytics light electrolysis
Help, the ferrous ion that light electrolysis produce is beneficial to the growth of hydrolysis acidification bacterium, hydrion and many metals that hydrolysis acidification produces
The hydroxide ion that catalysis and micro-electrolysis produce is neutralized, reaction of mutually promoting, and so that macromolecular substances chain rupture probability is increased, makes
The biodegradability of waste water is greatly improved, and creates good environment for follow-up waste water treatment process.
Content of the invention
The technical problem to be solved is to provide a kind of light electrolysis catalytic intensification water with higher COD clearance
Solution acidification reactor.
In order to solve above-mentioned technical problem, the invention provides a kind of light electrolysis catalytic intensification reactor for hydrolysis and acidification, its
It is characterised by, including the water distribution gas distribution area setting gradually from top to bottom, hydrolysis acidification area, two-phase laminated flow area and the micro- electricity of catalytic intensification
Xie Qu.
Preferably, described water distribution gas distribution area includes base plate and lower prop, and the lower end of lower prop and base plate connect, described
Base plate is provided with inlet opening and air inlet, and the upside of described base plate is provided with porous water-locator and porous gas pipe, porous water-locator
Connect described inlet opening and air inlet with porous gas pipe respectively, the central authorities of base plate are provided with rot, and the bottom of lower prop sets
There are the first mudhole and the second mudhole；Described hydrolysis acidification area includes middle lower prop, the described lower end of middle lower prop with
The upper end of lower prop connects, and the middle part of described middle lower prop is provided with leafy agitator, and leafy agitator connects described rotation
Device；Described two-phase laminated flow area includes middle column body, and the lower end of described middle column body connects the upper end of described middle lower prop,
It is provided with the first mud baffle plate and the second mud baffle plate, the second mud baffle plate is located at the first mud baffle plate in described middle upper prop body
Top, the first described mud baffle plate and the second mud baffle plate are provided with sludge reflux hole；Described catalytic intensification light electrolysis area
Including column body, the upper end closed of described column body, the lower end of column body connects the upper end of described middle column body, described
It is provided with many metal catalytics suspended chain, many metal catalytics suspended chain connects many metal catalytics bag, and the top of column body sets in upper prop body
There is apopore.
Preferably, described lower prop and middle lower prop, between middle lower prop and middle column body, middle column body and column body
All connected by LiPP tank technology.
Preferably, described inlet opening and air inlet 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 are 12-45 degree with horizontal direction angle, and first
Vertical dimension between mud baffle plate and the second mud baffle plate is not less than 5cm.
Preferably, described sludge reflux hole is located at the first mud baffle plate, the second mud baffle plate and middle column body intersection.
Preferably, it is provided with transversely strengthening body in described upper prop body, the inwall phase of the two ends of transversely strengthening body and column body
Even, the middle part of transversely strengthening body connects circular reinforcing body, and described many metal catalytics suspended chain is fixed on described circular reinforcing
On body.
It is highly preferred that between described transversely strengthening body and circular reinforcing body and circular reinforcing body is hanged with many metal catalytics
Connected by flange between chaining.
Preferably, described many metal catalytics suspended chain is connected by nylon rope with many metal catalytics bag.
Preferably, in described many metal catalytics bag, the volume content of multimetal reforming catalyst is more than 25%.
Preferably, described hydrolysis acidification area and the volume ratio 2: 1-5: 1 in catalytic intensification light electrolysis area.
Present invention incorporates hydrolysis acidification is theoretical and many metal catalytics light electrolysis are theoretical, it is integrated with mass transfer theory, fluidised form
Technology, biochemical process sewage disposal technology, electrochemical techniques and bioreactor engineering technology.Water distribution area of the present invention adopts pulsed
Water distribution, makes water distribution uniformly, does not block, improve the water distribution effect of reactor；Reactor hydrolysis acidification region is using stirring and micro- exposure
Depressed conjunction, make waste water mix more uniform, both catalytic intensification hydrolysis acidifications of sewage, and catalytic intensification substrate and microorganism
Mass transfer；The baffle plate in reactor two-phase laminated flow area avoids the substantial amounts of effusion of mud, avoids mud to be attached to many metal catalytics simultaneously
Face of wrapping stops micro-electrolysis reaction, and light electrolysis and hydrolysis acidification are neutralized reaction with to pH simultaneously simultaneously, make hydrolysis acidification
Suitable acid or alkali environment can be obtained with light electrolysis, combine bioanalysises and electrochemical process sewage disposal technology.
The light electrolysis catalytic intensification reactor for hydrolysis and acidification of the present invention, each area between carry out even using LIPP tank technology
Connect, low cost, be easy to keep in repair, construction is fast.Described water distribution area adopts pulsed water-locator, and multiple spot water distribution, it is to avoid dead angle,
Make reactor water distribution uniformly, simultaneous reactions utensil is not easily blocked, capacity of resisting impact load is strong.
The two-phase laminated flow area of the described reactor of the present invention, using two pieces of mud baffle plates, makes most of mud not easily run off,
Avoid mud to be attached to many metal catalytics to wrap face and affect many metal catalytics light electrolysis again, have two on mud baffle plate
Hole, it is to avoid have partial sludge to be deposited on above, forms the partial circulating in some areas simultaneously, increases the mass transfer of sewage, makes hydrolysis acid
Change and the intermediate product of many metal catalytics micro-electrolysis reaction preferably combines, realize the shape of " entirety is to upstream, local complete mixing flow "
State, is conducive to preferably carrying out of hydrolysis acidification and many metal catalytics light electrolysis.
The catalytic intensification light electrolysis area of the described reactor of the present invention, using hanging many metal catalytics filler bag, makes waste water
Preferably contact with many metal catalytics bag, the waste water that hydrolysis acidification produces is faintly acid, provide for many metal catalytics light electrolysis suitable
Suitable sour environment, and light electrolysis ionize out ferrous irons, provide necessary nutrient substance for microorganism, light electrolysis are in weak acid situation
Under can consume hydrion, hydroxide ion can be produced under neutral or weak basic condition, in a word, light electrolysis can make again waste water to
Alkalescence direction changes, so that waste water light electrolysis and hydrolysis acidification are strengthened simultaneously.
Compared with prior art, the invention has the beneficial effects as follows：
1st, reactor water distribution of the present invention is uniform, uniform air distribution is controlled, be not easily blocked, solid-liquor separation effect is good, impact resistance is born
Lotus is good, effectively improve the biodegradability of waste water；The process of suitable difficult degradation sewage, through fortune examination, influent COD may be up to 50000mg/
L, COD clearance reaches 41%.
2nd, pulse water-feeding multiple spot water distribution has the advantages that water distribution is uniform, is not easily blocked impact resistance；
3rd, stirring is combined with microbubble aeration, simultaneously facilitates all even solid-liquid (sewage and microorganism) of water quality and combines, hydrolysis
Acidifying is more thorough；
4th, hydrolysis acidification bioanalysises are combined with many metal catalytics micro electrolysis tech, used water difficult to degradate are had more preferable process imitate
Really；
5th, two-phase laminated flow area prevents sludge loss too many, and prevents from a large amount of mud to be attached to many metal catalytics and wrap face stoping
The generation of micro-electrolysis reaction, the partial circulating simultaneously forming some areas promotes liquid mass transfer；
6th, this reactor breaches the restriction that conventional hydrolysis are acidified pH, so that hydrolysis acidification and light electrolysis is more effectively carried out.
Brief description
Fig. 1 is light electrolysis catalytic intensification reactor for hydrolysis and acidification structural representation；
Fig. 2 is understructure schematic diagram；
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content of present invention instruction, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment
As shown in figure 1, being light electrolysis catalytic intensification reactor for hydrolysis and acidification structural representation, described light electrolysis catalysis is strong
Change reactor for hydrolysis and acidification, including the water distribution gas distribution area 21 setting gradually from top to bottom, hydrolysis acidification area 22, two-phase laminated flow area 23
With catalytic intensification light electrolysis area 24.
Described water distribution gas distribution area 21 includes base plate and lower prop, and the lower end of lower prop and base plate connect, described base plate
It is provided with inlet opening and air inlet, the upside of described base plate is provided with porous water-locator 9 and porous gas pipe 10, porous water-locator 9
Connect described inlet opening and air inlet with porous gas pipe 10 respectively, the central authorities of base plate are provided with rot, the bottom of lower prop
It is provided with the first mudhole 19 and the second mudhole 20；Described hydrolysis acidification area 22 includes middle lower prop, described middle lower prop
Lower end be connected with the upper end of lower prop, the middle part of described middle lower prop is provided with leafy agitator 11, and leafy agitator 11 is even
Connect described rot；Described two-phase laminated flow area 23 includes middle column body, described in the described lower end connection of middle column body
The upper end of middle lower prop, is provided with the first mud baffle plate 12 and the second mud baffle plate 13, the second mud gear in described middle upper prop body
Located at the top of the first mud baffle plate 12, the first described mud baffle plate 12 and the second mud baffle plate 13 are provided with mud and return plate 13
Discharge orifice 14；Described catalytic intensification light electrolysis area 24 includes column body, the upper end closed of described column body, the lower end of column body
Connect the upper end of described middle column body, in described upper prop body, be provided with many metal catalytics suspended chain 15, many metal catalytics hang
Chain 15 connects many metal catalytics bag, and the top of column body is provided with apopore 18.
Described lower prop and middle lower prop, all pass through between middle lower prop and middle column body, middle column body and column body
LiPP tank technology connects.Described inlet opening and air inlet all have four, the respectively first inlet opening 1, the second inlet opening 2,
Three inlet openings 3, the 4th inlet opening 4, the first air inlet 5, the second air inlet 6, the 3rd air inlet 7 and the 4th air inlet 8, and adopt
Pulse water-feeding.Described porous gas pipe 10 adopts multifunctional aerating device, can be with micro- aeration and middle aeration.Described cloth water cloth
Gas area 21, hydrolysis acidification area 22 take stirring and micro- aeration simultaneously.The first described mud baffle plate 12 and the second mud baffle plate 13
It is 30 degree with horizontal direction angle, and the vertical dimension between the first mud baffle plate 12 and the second mud baffle plate 13 is 5cm.Described
Sludge reflux hole 14 located at the first mud baffle plate 12, the second mud baffle plate 13 and middle column body intersection.
It is provided with transversely strengthening body 17, the two ends of transversely strengthening body 17 are connected with the inwall of column body in described upper prop body,
The middle part of transversely strengthening body 17 connects circular reinforcing body 16, and described many metal catalytics suspended chain 15 is fixed on described circle and adds
On solid 16.Between described transversely strengthening body 17 and circular reinforcing body 16 and circular reinforcing body 16 is hung with many metal catalytics
Connected by flange between chain 15.Described many metal catalytics suspended chain 15 is connected by nylon rope with many metal catalytics bag.Institute
In the many metal catalytics bag stated, the volume content of multimetal reforming catalyst is 25%.Described hydrolysis acidification area 22 and catalytic intensification are micro-
The volume ratio 4: 1 of electrolysis zone 24.Described multimetal reforming catalyst is made up of Fe, C, Cu, Au, Mn, Ni and Zn, wherein Fe, C mass
Than for 2: 1-6: 1, Fe, Cu mass ratio be 6: 1-12: 1, Au, Mn, Ni, Zn mass ratio be 2: 1: 1: 1-6: 1: 1: 1, Au, Mn,
Ni, Zn gross mass accounts for the 2%-20% of many metal packings bag gross mass.
The method of operation of the present invention is as follows：Used water difficult to degradate enters into porous water-locator 9 by pulse water-feeding by inlet opening,
By water distribution uniformity, air inlet starts air inlet and carries out micro- aeration to porous gas pipe 10 simultaneously.Waste water is behind water distribution gas distribution area 21
Enter into hydrolysis acidification area 22, leafy agitator 11 starts to stir in hydrolysis acidification area simultaneously, and waste water is in hydrolysis acidification area 22
Be hydrolyzed acidification reaction.Waste water enters two-phase laminated flow area 23 behind hydrolysis acidification area 22, in the first mud baffle plate 12 and second
In the presence of mud baffle plate 13, a large amount of mud are retained down, and sludge reflux hole 14 forms the partial circulating of local simultaneously.Waste water warp
Two-phase laminated flow area 23 enters catalytic intensification light electrolysis area 24, and waste water carries out micro-electrolysis reaction in catalytic intensification light electrolysis area 24, place
The water managed is discharged by apopore 18, simultaneously mud when hydrolysis acidification area deposition is excessive, by the first mudhole 19 He
Second mudhole 20 is discharged.
Claims (9)
1. a kind of light electrolysis catalytic intensification reactor for hydrolysis and acidification is it is characterised in that include the water distribution setting gradually from top to bottom
Gas distribution area（21）, hydrolysis acidification area（22）, two-phase laminated flow area（23）With catalytic intensification light electrolysis area（24）；Described water distribution gas distribution
Area（21）Including base plate and lower prop, the lower end of lower prop and base plate connect, and described base plate is provided with inlet opening and air inlet,
The upside of described base plate is provided with porous water-locator（9）With porous gas pipe（10）, porous water-locator（9）With porous gas pipe（10）
Connect described inlet opening and air inlet respectively, the central authorities of base plate are provided with rot, and the bottom of lower prop is provided with the first mudhole
（19）With the second mudhole（20）；Described hydrolysis acidification area（22）Including in lower prop, the described lower end of middle lower prop with
The upper end of lower prop connects, and the middle part of described middle lower prop is provided with leafy agitator（11）, leafy agitator（11）Connect institute
The rot stated；Described two-phase laminated flow area（23）Including in column body, the lower end of described middle column body connect described in
The upper end of lower prop, is provided with the first mud baffle plate in described middle upper prop body（12）With the second mud baffle plate（13）, the second mud
Baffle plate（13）Located at the first mud baffle plate（12）Top, described the first mud baffle plate（12）With the second mud baffle plate（13）On
It is provided with sludge reflux hole（14）；Described catalytic intensification light electrolysis area（24）Including column body, the upper end seal of described column body
Close, the lower end of column body connects the upper end of described middle column body, is provided with many metal catalytics suspended chain in described upper prop body
（15）, many metal catalytics suspended chain（15）Connect many metal catalytics bag, the top of column body is provided with apopore（18）.
2. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 it is characterised in that described lower prop with
Middle lower prop, is all connected by LiPP tank technology between middle lower prop and middle column body, middle column body and column body.
3. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 it is characterised in that described inlet opening and
Air inlet all has four.
4. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that described porous gas distribution
Device（10）Using multifunctional aerating device.
5. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that described the first mud
Baffle plate（12）With the second mud baffle plate（13）It is 12-45 degree with horizontal direction angle, and the first mud baffle plate（12）Dirty with second
Mud baffle plate（13）Between vertical dimension be not less than 5cm.
6. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that described sludge reflux
Hole（14）Located at the first mud baffle plate（12）, the second mud baffle plate（13）With middle column body intersection.
7. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that in described upper prop body
It is provided with transversely strengthening body（17）, transversely strengthening body（17）Two ends be connected with the inwall of column body, transversely strengthening body（17）In
Portion connects circular reinforcing body（16）, described many metal catalytics suspended chain（15）It is fixed on described circular reinforcing body（16）On.
8. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that described many metals
In catalysis bag, the volume content of multimetal reforming catalyst is more than 25%.
9. light electrolysis catalytic intensification reactor for hydrolysis and acidification as claimed in claim 1 is it is characterised in that described hydrolysis acidification
Area（22）With catalytic intensification light electrolysis area（24）Volume ratio 2:1-5:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510447663.2A CN105036323B (en) | 2015-05-25 | 2015-07-27 | Light electrolysis catalytic intensification reactor for hydrolysis and acidification |
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| CN201520343221 | 2015-05-25 | ||
| CN2015203432219 | 2015-05-25 | ||
| CN201510447663.2A CN105036323B (en) | 2015-05-25 | 2015-07-27 | Light electrolysis catalytic intensification reactor for hydrolysis and acidification |
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| CN105036323B true CN105036323B (en) | 2017-03-01 |
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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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| CN200967775Y (en) * | 2006-10-09 | 2007-10-31 | 南京师范大学 | Composite UBF anaerobic organism waste water treatment reactor |
| CN101591064B (en) * | 2009-06-27 | 2011-02-09 | 大连理工大学 | Anaerobic built-in zero-valent iron reactor |
| CN102120674B (en) * | 2011-01-25 | 2012-11-07 | 大连理工大学 | Zero-valent iron fortified anaerobic hydrolysis-acidification sewage treatment method |
| BR112012000084A2 (en) * | 2011-05-13 | 2017-07-18 | Ronser Bio Tech Sdn Bhd | Anaerobic treatment of organic wastewater |
| CN202465375U (en) * | 2011-11-16 | 2012-10-03 | 中国石油化工股份有限公司 | Hydrolytic acidification pool |
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Inventor after: Li Xiang Inventor after: Li Jun Inventor after: Zhan Jiaxun Inventor after: Cheng Wenyan Inventor after: Cheng Qian Inventor after: Gan Yanfei Inventor after: Sun Jihui Inventor after: Du Chun Inventor after: Ye Tingting Inventor after: Shen Xue Inventor after: Zhang Han Inventor after: Xue Shunli Inventor after: Yin Xueyan Inventor after: Zhang Wenjuan Inventor after: Chen Hong Inventor after: Xue Gang Inventor after: Zhang Ting Inventor after: Liu Yanan Inventor after: Gao Pin Inventor after: Lai Sizhou Inventor before: Li Xiang Inventor before: Xue Shunli Inventor before: Zhang Wenjuan Inventor before: Chen Hong Inventor before: Xue Gang Inventor before: Zhang Ting Inventor before: Liu Yanan Inventor before: Gao Pin |
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Granted publication date: 20170301 Termination date: 20190727 |