CN201932945U - Catalytic oxidation fluidization bed - Google Patents
Catalytic oxidation fluidization bed Download PDFInfo
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- CN201932945U CN201932945U CN2010206662703U CN201020666270U CN201932945U CN 201932945 U CN201932945 U CN 201932945U CN 2010206662703 U CN2010206662703 U CN 2010206662703U CN 201020666270 U CN201020666270 U CN 201020666270U CN 201932945 U CN201932945 U CN 201932945U
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- catalytic oxidation
- catalyzed oxidation
- oxidation
- sewage
- fluidised form
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Abstract
The utility model discloses a normal temperature and normal pressure catalytic oxidation fluidization bed which is applied to the technical field of treatment of the organic sewage that has high concentration and is difficult to decompose. Compared to the conventional catalytic oxidation device, a first-level fluidization catalytic oxidation reaction and a second-level fluidization catalytic oxidation reaction are carried out and a depositing reflux closed loop system of the catalytic oxidation carriers is formed in the catalytic oxidation reaction area on the bottom of the fluidization bed. A reinforced fluidization catalytic oxidation reaction bed is formed to greatly increase the contact specific surface area of the catalytic oxidation reaction, thereby effectively increasing the catalytic oxidation reaction probability of the organic sewage, making the reaction efficiency 20%-30% higher than that of the conventional catalytic oxidation device, saving the occupation area of 20%-30%, reducing the catalytic oxidation investment cost and decreasing the cost by 20%-30% and the sewage difficult to decompose in a biochemical way is effectively treated to achieve the water quality standard of the sewage draining into the urban sewer (CJ3082-1999) through further improving the volume utilization ratio and the catalytic oxidation effect of the catalytic oxidation device.
Description
Technical field
The utility model belongs to environment protection and wastewater treatment equipment technical field, relates to a kind of normal temperature and pressure catalytic oxidation fluidised form bed, is used to handle the organic waste water that is difficult to biochemical degradation.
Background technology
At present, treatment of Organic Wastewater for high-concentration hardly-degradable is the difficult problem of environmental engineering water technology always, prior art adopts the catalytic oxidation treatment technology mostly, difference according to oxygenant, the normal catalytic oxidation that adopts can be divided into wet oxidation process, Fenton reagent oxidation method, ozone oxidation method, dioxide peroxide oxidation style and photocatalytic oxidation, existing catalytic oxidation treatment facility mostly is fixedly packing layer of catalyzer greatly, exists to use shortcomings such as loaded down with trivial details, that floor space is big, energy consumption is high, catalyzed oxidation efficient is low.
Summary of the invention
The utility model purpose provides a kind of stable, normal temperature and pressure catalytic oxidation fluidised form bed efficiently, be used to handle the organic waste water that is difficult to biochemical degradation, its catalyzed oxidation efficient is higher, can form and force fluidized catalytic oxidizing reaction bed, increased the contact gear ratio surface-area of catalytic oxidation greatly, thereby strengthen organic sewage catalytic oxidation probability effectively, make the more conventional catalytic oxidizing equipment of reaction efficiency can improve 20%～30 %, save floor space 20%～30%, reduce the catalyzed oxidation cost of investment, expense reduces by 20%～30%, thereby further improve the capacity utilization and the catalyzed oxidation effect of catalyzed oxidation equipment, can handle the waste water that is difficult to biochemical degradation effectively, reach " sewage enters the municipal sewage system water quality standard " (CJ 3082-1999).
Catalyzed oxidation fluidised form bed, structure formation are cylinder tapered bottom structure, catalyzed oxidation fluidised form bed main body by tank body, tapered shaped can at the bottom of, tank deck constituted; Described catalyzed oxidation fluidised form bed comprises catalytic oxidation district, pump around circuit district and three parts of flooded zonevvv that are placed with support of the catalyst, it is characterized in that: be positioned in the fluidized-bed inner bottom part catalytic oxidation district and be provided with feed nozzle, hydraulic jet device, first guide shell and second guide shell, feed nozzle, hydraulic jet device and first guide shell are connected from bottom to up successively, and second guide shell covers on first guide shell top.
Described catalyzed oxidation fluidised form bed, it is characterized in that: sewage is injected the hydraulic jet device at a high speed by feed nozzle, go into the interruption-forming negative pressure at the hydraulic jet device, support of the catalyst is on every side sucked in the hydraulic jet device simultaneously, in first guide shell and second guide shell, carry out one successively then, secondary fluidization catalytic oxidation, form catalyzed oxidation one-level flow state reactivity district and catalyzed oxidation secondary fluidised form reaction zone, support of the catalyst is because proportion is more great than the ratio of water, carry out gravity settling from top to bottom in support of the catalyst precipitation recirculating zone, through flowing to the pump around circuit district on the sewage autocatalyzed oxidation carrier disengaging zone behind the catalyzed oxidation, sewage backflow to hydraulic jet device behind a part of catalyzed oxidation enters the mouth simultaneously, be inhaled in the hydraulic jet device catalyzed oxidation one-level flow state reactivity district once more with the support of the catalyst after the sedimentation, catalyzed oxidation secondary fluidised form reaction zone, catalytic oxidation carrier disengaging zone and support of the catalyst precipitation recirculating zone form the catalytic oxidation district.
Described catalyzed oxidation fluidised form bed is characterized in that: described pump around circuit district is positioned at top, catalytic oxidation district, is provided with carrier filtering system, recycling effluent pipe and the receipts water system that refluxes; The carrier filtering system is used for sewage water filtration and carrier is trapped in described catalytic oxidation district, the recycling effluent pipe is connected with the receipts water system that refluxes, the outer pipe coupling of recycling effluent pipe and sewage backflow, the sewage backflow outer tube is provided with sewage water inlet pipe, and be connected with feed nozzle by forced circulation pump, the pump circulation of carrying out catalyzed oxidation refluxes.
Described catalyzed oxidation fluidised form bed is characterized in that: the pump circulation reflux ratio (be sewage catalyzed oxidation flooding quantity: be between 300%～500%:1 the pump circulation backflow water yield), determine according to sewage disposal complexity processing requirement by its reflux ratio parameter.
Described catalyzed oxidation fluidised form bed is characterized in that: described backflow receipts water system is received the water person in charge by distributing and the receipts water arm that distributes is formed, and water distribution branch pipe uniform distribution 45 degree, diameter are 30 millimeters circular hole, are alternately distributed.
Described catalyzed oxidation fluidised form bed, it is characterized in that: the carrier filtering system is provided with filter and filter plate, and filter is evenly distributed on the filter plate.
Described catalyzed oxidation fluidised form bed is characterized in that: the arranged distribution mode of filter on filter plate is that equilateral triangle is arranged, and filter adopts short-handled filter head, and the conveyance capacity of every filter is 1m
3/ h, adjacent filter between centers is 200mm.
Described catalyzed oxidation fluidised form bed, it is characterized in that: described flooded zonevvv is positioned at top, pump around circuit district, be provided with overflow weir and overflow water pipe, through flowing to overflow weir on the sewage after the fluidized catalytic oxidation, carry out further neutralization reaction flocculation sediment processing by overflowing water pipe water outlet to subsequent processing.
Described catalyzed oxidation fluidised form bed is characterized in that: the bottom is provided with catalyst slurry feed-pipe and blow-off pipe at the bottom of the tapered shaped can, carries out the periodic blow down of catalyst slurry periodic replacement charging and equipment.
Described catalyzed oxidation fluidised form bed is characterized in that: drain is set on the tank deck.
Advantage of the present utility model: compare with conventional catalytic oxidizing equipment, in bottom catalytic oxidation district, feed nozzle, the hydraulic jet device is connected from bottom to up successively with first guide shell, second guide shell covers on first guide shell top, its catalyzed oxidation one-level flow state reactivity district, catalyzed oxidation secondary fluidised form reaction zone, catalytic oxidation carrier precipitation recirculating zone forms the catalytic oxidation carrier closed circuit circulatory system, in guide shell, support of the catalyst is fluidization flow state, while sewage and oxygenant thorough mixing, and fully carry out one at fluidised catalyst surface, secondary fluidization catalytic oxidation, can form and force fluidized catalytic oxidizing reaction bed, increase the contact gear ratio surface-area of catalytic oxidation greatly, thereby strengthened organic sewage catalytic oxidation probability effectively; By catalytic oxidation carrier disengaging zone and carrier filtering system structure formation, run off with the waterpower that reduces catalytic oxidation carrier, thereby further made full use of catalytic oxidation carrier in addition; Make the more conventional catalytic oxidizing equipment of reaction efficiency can improve 20%～30 %, save floor space 20%～30%, reduce the catalyzed oxidation cost of investment, expense reduces by 20%～30%, can further improve the capacity utilization and the catalyzed oxidation effect of catalyzed oxidation equipment, can handle the waste water that is difficult to biochemical degradation effectively, reach " sewage enters the municipal sewage system water quality standard " (CJ 3082-1999).
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: slurry feed pipe 1, support of the catalyst precipitation recirculating zone 2, catalytic oxidation district 3, catalyzed oxidation one-level flow state reactivity district 4, catalyzed oxidation secondary fluidised form reaction zone 5, catalytic oxidation carrier disengaging zone 6, the second guide shells 7, main body 8, support of the catalyst filtering system 9, pump around circuit district 10 refluxes and receives water system 11, flooded zonevvv 12, evacuation port 13, overflow weir 14 overflows water pipe 15, recycling effluent pipe 16, sewage backflow outer tube 17, sewage water inlet pipe 18, forced circulation pump 19, blow-off pipe 20, feed nozzle 21, hydraulic jet device 22, first guide shell 23.
Embodiment
Below in conjunction with an accompanying drawing and an embodiment of the present utility model the utility model is described in further detail, among the embodiment as shown in Figure 1, illustrate among the figure: slurry feed pipe 1, support of the catalyst precipitation recirculating zone 2, catalytic oxidation district 3, catalyzed oxidation one-level flow state reactivity district 4, catalyzed oxidation secondary fluidised form reaction zone 5, catalytic oxidation carrier disengaging zone 6, the second guide shells 7, main body 8, catalyst filling filtering system 9, pump around circuit district 10 refluxes and receives water system 11, flooded zonevvv 12,, overflow weir 14 overflows water pipe 15, recycling effluent pipe 16, sewage backflow outer tube 17, sewage water inlet pipe 18, forced circulation pump 19, blow-off pipe 20, feed nozzle 21, hydraulic jet device 22, first guide shell 23.
Catalyzed oxidation fluidised form bed, structure formation are cylinder tapered bottom structure, belong to the normal temperature and pressure vessel assembly, and catalyzed oxidation fluidised form bed apparatus comprises catalytic oxidation district 2, pump around circuit district 10,12 3 parts of flooded zonevvv.
Fluidized-bed inner bottom part catalytic oxidation district 3 is provided with feed nozzle 21, hydraulic jet device 22, guide shell 23, and second guide shell 7, catalyzed oxidation one-level flow state reactivity district 4 is set on catalytic oxidation district 3 functions, catalyzed oxidation secondary fluidised form reaction zone 5, catalytic oxidation carrier disengaging zone 6 and support of the catalyst precipitation recirculating zone 2, it is characterized in that, sewage is injected hydraulic jet device 22 at a high speed by feed nozzle 21, go into the interruption-forming negative pressure at hydraulic jet device 22, catalyst filling is on every side sucked in the hydraulic jet device 22 simultaneously, in first guide shell 23 and second guide shell 7, carry out one successively then, secondary fluidization catalytic oxidation, catalyst filling is because proportion is bigger than the proportion of water, carry out gravity settling from top to bottom in support of the catalyst precipitation recirculating zone 2, through flowing to pump around circuit district 10 on the sewage autocatalyzed oxidation carrier disengaging zone 6 behind the catalyzed oxidation, sewage backflow behind a part of catalyzed oxidation is to hydraulic jet device 22 inlets simultaneously, catalyst filling after sedimentation is inhaled in the hydraulic jet device 22, forms the sewage fluidization catalytic oxidation recycle system (being catalytic oxidation district 3).
Oxidation reaction zone 3 tops are pump around circuit district 10, and pump around circuit district 10 is provided with filler filtering system 9, recycling effluent pipe 16, the receipts that reflux water system 11, and catalyst filling filtering system 4 is provided with filter, filter plate; The recycling effluent pipe 16 of device, the outside of sewage water inlet pipe 18 and feed nozzle 21 connects forced circulation pump 19, sewage upper reaches autocatalyzed oxidation carrier disengaging zone 6 behind the process catalyzed oxidation is to pump around circuit district 10, the sewage at upper reaches is earlier through described filler filtering system 9, carry out sewage water filtration, filler is trapped in described catalytic oxidation district 3, sewage behind the upper reaches is received water system 11 by refluxing, recycling effluent pipe 16 and the sewage backflow outer tube 17 connection forced circulation pumps 19 that are provided with sewage water inlet pipe 18, the pressure outer circulation of carrying out the sewage catalyzed oxidation refluxes, increased the catalyzed oxidation contact reacts time of sewage in the unit volume, thereby more conventional catalytic oxidizing equipment is compared, reduced the catalytic oxidation volume of equipment, improve the capacity utilization 200%～400% of catalyzed oxidation equipment, the pump circulation reflux ratio is 300%～500%, is difficult to the degree processing requirement according to sewage disposal and determines.
Receipts water system 11 is received the water person in charge by distributing and the receipts water arm that distributes is formed, and water distribution branch pipe uniform distribution 45 degree, diameter are 30 millimeters circular hole, are alternately distributed.
Filler filtering system 9 comprises the filter member, is evenly distributed on the filter plate, and the sewage at upper reaches through described filler filtering system 9, carries out sewage water filtration earlier, and filler is trapped in described catalytic oxidation race way 3.
Through flowing to overflow weir 14 on the sewage after the fluidized catalytic oxidation, carry out further neutralization reaction flocculation sediment processing by overflowing water pipe 15 water outlets to subsequent processing, water outlet reaches " sewage enters the municipal sewage system water quality standard " (CJ 3082-1999).
The bottom of catalyzed oxidation fluidised form bed apparatus is provided with catalyst slurry feed-pipe 1 and blow-off pipe 20, carries out the periodic blow down of catalyst slurry periodic replacement charging and equipment.
Embodiment
Wastewater source: certain the organic phosphine production CAST of insecticide factory biochemistry pool water outlet water yield is big, and treatment capacity reaches 3000 m
3/ d, effluent quality are unstable always, and the severe overweight phenomenon often appears in TP, and TP is at 40～50mg/L, the TP≤8 mg/L requirements in " sewage enters the municipal sewage system water quality standard " (CJ 3082-1999).Implement this catalyzed oxidation fluidised form bed apparatus, diameter 3000mm, height 6000mm, after this catalyzed oxidation fluidised form bed apparatus processing, water outlet TP is all below 5 mg/L, reached the TP≤8 mg/L requirements among " sewage enters the municipal sewage system water quality standard " (CJ 3082-1999), the TP clearance is more than 87～90%.
Claims (10)
1. catalyzed oxidation fluidised form bed, structure formation is cylinder tapered bottom structure, catalyzed oxidation fluidised form bed main body (8) by tank body, tapered shaped can at the bottom of, tank deck constituted; Described catalyzed oxidation fluidised form bed comprises catalytic oxidation district (3), pump around circuit district (10) and (12) three parts of flooded zonevvv that are placed with support of the catalyst, it is characterized in that: be positioned at lining, fluidized-bed inner bottom part catalytic oxidation district (3) and be provided with feed nozzle (21), hydraulic jet device (22), first guide shell (23) and second guide shell (7), feed nozzle (21), hydraulic jet device (22) and first guide shell (23) are connected from bottom to up successively, and second guide shell (7) covers on first guide shell (23) top.
2. catalyzed oxidation fluidised form bed as claimed in claim 1, it is characterized in that: sewage is injected hydraulic jet device (22) at a high speed by feed nozzle (21), go into the interruption-forming negative pressure at hydraulic jet device (22), support of the catalyst is on every side sucked in the hydraulic jet device (22) simultaneously, in first guide shell (23) and second guide shell (7), carry out one successively then, secondary fluidization catalytic oxidation, form catalyzed oxidation one-level flow state reactivity district (4) and catalyzed oxidation secondary fluidised form reaction zone (5), support of the catalyst is because proportion is more great than the ratio of water, carry out gravity settling from top to bottom in support of the catalyst precipitation recirculating zone (2), through flowing to pump around circuit district (10) on the sewage autocatalyzed oxidation carrier disengaging zone (6) behind the catalyzed oxidation, sewage backflow to hydraulic jet device (22) behind a part of catalyzed oxidation enters the mouth simultaneously, be inhaled in the hydraulic jet device (22) catalyzed oxidation one-level flow state reactivity district (4) once more with the support of the catalyst after the sedimentation, catalyzed oxidation secondary fluidised form reaction zone (5), catalytic oxidation carrier disengaging zone (6) and support of the catalyst precipitation recirculating zone (2) form catalytic oxidation district (3).
3. catalyzed oxidation fluidised form bed as claimed in claim 1 is characterized in that: described pump around circuit district (10) is positioned at top, catalytic oxidation district (3), is provided with carrier filtering system (9), recycling effluent pipe (16) and the receipts water system (11) that refluxes; Carrier filtering system (9) is used for sewage water filtration and carrier is trapped in described catalytic oxidation district (3), recycling effluent pipe (16) is connected with the receipts water systems (11) that reflux, recycling effluent pipe (16) is connected with sewage backflow outer tube (17), sewage backflow outer tube (17) is provided with sewage water inlet pipe (18), and be connected with feed nozzle (21) by forced circulation pump (19), carry out the pump circulation backflow of catalyzed oxidation.
4. catalyzed oxidation fluidised form bed as claimed in claim 3 is characterized in that: the pump circulation reflux ratio is a sewage catalyzed oxidation flooding quantity: the pump circulation backflow water yield is between 300%～500%:1.
5. catalyzed oxidation fluidised form bed as claimed in claim 3 is characterized in that: described backflow receipts water systems (11) are received the water person in charge by distributing and the receipts water arm that distributes is formed, and water distribution branch pipe uniform distribution 45 degree, diameter are 30 millimeters circular hole, are alternately distributed.
6. catalyzed oxidation fluidised form bed as claimed in claim 3 is characterized in that: carrier filtering system (9) is provided with filter and filter plate, and filter is evenly distributed on the filter plate.
7. catalyzed oxidation fluidised form bed as claimed in claim 6 is characterized in that: the arranged distribution mode of filter on filter plate is that equilateral triangle is arranged, and filter adopts short-handled filter head, and the conveyance capacity of every filter is 1m
3/ h, adjacent filter between centers is 200mm.
8. catalyzed oxidation fluidised form bed as claimed in claim 1, it is characterized in that: described flooded zonevvv (12) is positioned at top, pump around circuit district (10), be provided with overflow weir (14) and overflow water pipe (15), through flowing to overflow weir (14) on the sewage after the fluidized catalytic oxidation, carry out further neutralization reaction flocculation sediment processing by overflowing water pipe (15) water outlet to subsequent processing.
9. catalyzed oxidation fluidised form bed as claimed in claim 1 is characterized in that: the bottom is provided with catalyst slurry feed-pipe (1) and blow-off pipe (20) at the bottom of the tapered shaped can.
10. catalyzed oxidation fluidised form bed as claimed in claim 1 is characterized in that: drain (13) is set on the tank deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206662703U CN201932945U (en) | 2010-12-17 | 2010-12-17 | Catalytic oxidation fluidization bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206662703U CN201932945U (en) | 2010-12-17 | 2010-12-17 | Catalytic oxidation fluidization bed |
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| Publication Number | Publication Date |
|---|---|
| CN201932945U true CN201932945U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206662703U Expired - Fee Related CN201932945U (en) | 2010-12-17 | 2010-12-17 | Catalytic oxidation fluidization bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993144A (en) * | 2010-12-17 | 2011-03-30 | 江苏江大环境工程有限责任公司 | Catalytic oxidation fluid bed |
| CN102389648A (en) * | 2011-10-24 | 2012-03-28 | 中国天辰工程有限公司 | Novel decanter separating system used for separating liquid-liquid-solid three phases |
| CN115304140A (en) * | 2022-04-11 | 2022-11-08 | 河北莎诺环保科技有限公司 | Softening water treatment device of induced crystallization granulation fluidized bed |
-
2010
- 2010-12-17 CN CN2010206662703U patent/CN201932945U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993144A (en) * | 2010-12-17 | 2011-03-30 | 江苏江大环境工程有限责任公司 | Catalytic oxidation fluid bed |
| CN101993144B (en) * | 2010-12-17 | 2013-01-23 | 江苏江大环境工程有限责任公司 | Catalytic oxidation fluid bed |
| CN102389648A (en) * | 2011-10-24 | 2012-03-28 | 中国天辰工程有限公司 | Novel decanter separating system used for separating liquid-liquid-solid three phases |
| CN102389648B (en) * | 2011-10-24 | 2013-10-16 | 中国天辰工程有限公司 | Novel decanter separating system used for separating liquid-liquid-solid three phases |
| CN115304140A (en) * | 2022-04-11 | 2022-11-08 | 河北莎诺环保科技有限公司 | Softening water treatment device of induced crystallization granulation fluidized bed |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20111217 |