CN206858246U - A kind of Fenton fluidized-bed reactor - Google Patents
A kind of Fenton fluidized-bed reactor Download PDFInfo
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- CN206858246U CN206858246U CN201720619302.6U CN201720619302U CN206858246U CN 206858246 U CN206858246 U CN 206858246U CN 201720619302 U CN201720619302 U CN 201720619302U CN 206858246 U CN206858246 U CN 206858246U
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- fluidized
- hydrogen peroxide
- pump
- furnace device
- bed furnace
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Abstract
The utility model discloses a kind of Fenton fluidized-bed reactor, the reactor includes reactor shell, Inlet flow pattern distributor, backflow fluidized―bed furnace device, hydrogen peroxide fluidized―bed furnace device, dividing plate, three-dimensional filter, reflux pump, intake pump, pipe-line mixer, acid adding pump, ferrous dosing pump and hydrogen peroxide dosing pump.Reactor water distribution described in the utility model is uniform, additionaling power is not needed to be stirred, save operation power charge, reduce hydrogen peroxide decomposition caused by vigorous agitation, dioxygen water consumption is reduced, hydrogen peroxide and ferrous sulfate are added separately, and reduce medicament effective consumption, active catalytic crystal is formed, reduces iron containing sludge yield.
Description
Technical field
The utility model belongs to field of waste water treatment, more particularly to a kind of Fenton fluidized-bed reactor.
Background technology
As efficient waste water advanced oxidization treatment technology, Fenton (Fenton) method is increasingly becoming processing hardly degraded organic substance
Prefered method.But traditional Fenton-like system is present that dioxygen water use efficiency is not high, anti impulsion load ability is weak, iron containing sludge production
Rate is big, easily causes secondary pollution problems.
Traditional Fenton oxidation method has been done and significantly improved by Fenton fluid bed, solves above-mentioned ask to a certain extent
Topic.This technology make use of the Strong oxdiative function of hydroxyl radical free radical caused by Fenton reagent, while the formation of filler surface has
The catalytic body FeOOH of the effect of heterocatalysis, its catalytic performance are eager to excel than ferrous ion, and the mode of fluid bed also promotes
Chemical reaction and mass-transfer efficiency.With reference to same phase chemical oxidation (Fenton process), out-phase chemical oxidation (hydrogen peroxide/FeOOH), fluidisation
Bed crystallization and FeOOH reduction of dissolved function, so as to reduce the dosage of medicine, sludge yield and operating cost.
But the tower body ratio of height to diameter of fluidized-bed reactor, fluidized―bed furnace device, circulating reflux, adding of agent, draining, deslagging etc.
Design have a strong impact on the actual motion effect of Fenton fluid bed.It is unreasonable because designing, it is general in existing Fenton fluidization
For store-through in the problem such as water distribution is uneven, the residence time is long, medicament utilization rate is low, it is anti-that the utility model provides a kind of Fenton fluid bed
Device is answered, it can improve medicament utilization rate, maintain stable treatment effect.
Utility model content
According to technical problem set forth above, and provide a kind of Fenton fluidized-bed reactor.The skill that the utility model uses
Art means are as follows：
A kind of Fenton fluidized-bed reactor, including it is reactor shell, Inlet flow pattern distributor, backflow fluidized―bed furnace device, double
Oxygen current state distributor, dividing plate, three-dimensional filter, reflux pump, intake pump, pipe-line mixer, acid adding pump, ferrous dosing pump and double
Oxygen water dosing pump；
The reactor shell includes water distribution area, packing area and the catchment being arranged in order from the bottom to top, the reactor
Housing is provided with water inlet, slag-drip opening, reflux inlet, bypass outlet and discharge outlet；
The Inlet flow pattern distributor and the backflow fluidized―bed furnace device are located in the water distribution area, the Inlet flow pattern point
Cloth device connects with the water inlet, and the water inlet is located in the side wall of the water distribution area, the backflow fluidized―bed furnace device and institute
Reflux inlet connection is stated, the reflux inlet is located in the side wall of the water distribution area；
The dividing plate is perforated plate, and between the water distribution area and the packing area；
The hydrogen peroxide fluidized―bed furnace device is located at the middle and upper part of the packing area；
The bypass outlet is located in the side wall of the packing area, and is located at the top of the hydrogen peroxide fluidized―bed furnace device,
The bypass outlet is connected by the reflux pump with the reflux inlet；
The three-dimensional filter is between the packing area and the catchment；
The discharge outlet is located at the middle part of the catchment；
The outlet of the intake pump, the acid adding pump and the ferrous dosing pump connects with the pipe-line mixer；
The outlet of the pipe-line mixer connects with the water inlet；
The outlet of the hydrogen peroxide dosing pump connects with the hydrogen peroxide fluidized―bed furnace device；
The bottom side of the wall of the water distribution area is provided with the slag-drip opening.
The backflow fluidized―bed furnace device is located at the top of the Inlet flow pattern distributor, and the backflow fluidized―bed furnace device goes out
Water is directed downward, and the water outlet direction of the Inlet flow pattern distributor is upward.
The catalytic filler particle of the packing area is：Resin, activated carbon granule, building sand, quartz sand, zeolite, haydite, three
One or more in Al 2 O ball, fragment of brick chip, the average grain diameter of the catalytic filler particle is 1.0~6.0mm.
The hydrogen peroxide fluidized―bed furnace device apart from the bottom of the packing area at 1/2~4/5L, wherein, L is the filler
The height in area；
During working condition, sulfuric acid, ferrous sulfate and hydrogen peroxide respectively by the acid adding pump, the ferrous dosing pump and
The hydrogen peroxide dosing pump addition, ferrous sulfate and sulfuric acid are entered by the pipe-line mixer with what is entered by the intake pump
Water mixes, and is entered through the Inlet flow pattern distributor by the bottom of the reactor shell.
The three-dimensional filter is microporous ceramic filter, and its outer layer aperture is 6mm, and internal layer aperture is 2mm.
Water inlet is sufficiently mixed with sulfuric acid and ferrous sulfate in pipe-line mixer, adjusts the pH value of water inlet.Water distribution area with
The water distribution that flows back forms convection current, fully adjusts influent quality, reduces the load impact that water inlet is brought.Mixed liquor rises afterwards, in water
Under power effect, filler is set to form fluidized state, on filler surface, Fe3+The stronger FeOOH of catalytic performance is formed, improves Fenton
Treatment effect, while reduce iron containing sludge yield.Different from traditional Fenton fluidized system, hydrogen peroxide of the present utility model adds
Add position to be located at the middle and upper part of packing area, with being added during ferrous sulfate difference, reduce the decomposition of hydrogen peroxide, while herein
Stirring effect it is moderate, reduce the decomposing hydrogen dioxide solution caused by vigorous agitation, improve medicament utilization rate.The three-dimensional of exhalant region
Filter can reduce the drainage clip band of filler, be because it has larger membrane flux using three-dimensional filter, be not easily blocked simultaneously, easily
Regeneration.
The utility model has advantages below：
1st, water distribution is uniform, it is not necessary to which additionaling power is stirred, and saves operation power charge；
2nd, hydrogen peroxide decomposition caused by vigorous agitation is reduced, reduces dioxygen water consumption；
3rd, hydrogen peroxide and ferrous sulfate are added separately, and reduce medicament effective consumption；
4th, active catalytic crystal is formed, reduces iron containing sludge yield.
The utility model can be widely popularized in fields such as field of waste water treatment for the foregoing reasons.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of structural representation of Fenton fluidized-bed reactor in specific embodiment of the present utility model.
Embodiment
Embodiment 1
As shown in figure 1, a kind of Fenton fluidized-bed reactor, including reactor shell 1, Inlet flow pattern distributor 2, backflow stream
State distributor 3, hydrogen peroxide fluidized―bed furnace device 4, dividing plate 5, three-dimensional filter 6, reflux pump 7, intake pump 8, pipe-line mixer 9, plus
Sour pump 10, ferrous dosing pump 11 and hydrogen peroxide dosing pump 12；
The reactor shell 1 includes water distribution area 13, packing area 14 and the catchment 15 being arranged in order from the bottom to top, described
Reactor shell 1 is provided with water inlet 16, slag-drip opening 17, reflux inlet 18, bypass outlet 19 and discharge outlet 20；
The Inlet flow pattern distributor 2 and the backflow fluidized―bed furnace device 3 are in the water distribution area 13, the feed water flow
State distributor 2 connects with the water inlet 16, and the water inlet 16 is located in the side wall of the water distribution area 13, the backflow fluidised form
Distributor 3 connects with the reflux inlet 18, and the reflux inlet 18 is located in the side wall of the water distribution area 13；
The dividing plate 5 is perforated plate, and between the water distribution area 13 and the packing area 14；
The hydrogen peroxide fluidized―bed furnace device 4 is located at the middle and upper part of the packing area 14；
The bypass outlet 19 is located in the side wall of the packing area 14, and positioned at the hydrogen peroxide fluidized―bed furnace device 4
Top, the bypass outlet 19 are connected by the reflux pump 7 with the reflux inlet 18；
The three-dimensional filter 6 is between the packing area 14 and the catchment 15；
The discharge outlet 20 is located at the middle part of the catchment 15；
The outlet of the intake pump 8, the acid adding pump 10 and the ferrous dosing pump 11 connects with the pipe-line mixer 9
It is logical；
The outlet of the pipe-line mixer 9 connects with the water inlet 16；
The outlet of the hydrogen peroxide dosing pump 12 connects with the hydrogen peroxide fluidized―bed furnace device 4；
The bottom side of the wall of the water distribution area 13 is provided with the slag-drip opening 17.
The backflow fluidized―bed furnace device 3 is located at the top of the Inlet flow pattern distributor 2, the backflow fluidized―bed furnace device 3
Water outlet be directed downward, the water outlet direction of the Inlet flow pattern distributor 2 is upward.
The catalytic filler particle of the packing area 14 is：Resin, activated carbon granule, building sand, quartz sand, zeolite, haydite,
One or more in alundum (Al2O3) ball, fragment of brick chip, the average grain diameter of the catalytic filler particle for 1.0~
6.0mm。
The hydrogen peroxide fluidized―bed furnace device 4 at 1/2~4/5L of bottom of the packing area 14, wherein, L fills out to be described
Expect the height in area 14；
The three-dimensional filter 6 is microporous ceramic filter, and its outer layer aperture is 6mm, and internal layer aperture is 2mm.
During working condition, sulfuric acid, ferrous sulfate and hydrogen peroxide pass through the acid adding pump 10, the ferrous dosing pump respectively
11 and the hydrogen peroxide dosing pump 12 add, ferrous sulfate and sulfuric acid are by the pipe-line mixer 9 and pass through the intake pump 8
The water inlet mixing of entrance, entered through the Inlet flow pattern distributor 2 by the bottom of the reactor shell 1.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of Fenton fluidized-bed reactor, it is characterised in that including reactor shell, Inlet flow pattern distributor, backflow fluidised form
Distributor, hydrogen peroxide fluidized―bed furnace device, dividing plate, three-dimensional filter, reflux pump, intake pump, pipe-line mixer, acid adding pump, ferrous iron
Dosing pump and hydrogen peroxide dosing pump；
The reactor shell includes water distribution area, packing area and the catchment being arranged in order from the bottom to top, the reactor shell
It is provided with water inlet, slag-drip opening, reflux inlet, bypass outlet and discharge outlet；
The Inlet flow pattern distributor and the backflow fluidized―bed furnace device are located in the water distribution area, the Inlet flow pattern distributor
Connected with the water inlet, the water inlet is located in the side wall of the water distribution area, flow back fluidized―bed furnace device and described time
Inflow entrance connects, and the reflux inlet is located in the side wall of the water distribution area；
The dividing plate is perforated plate, and between the water distribution area and the packing area；
The hydrogen peroxide fluidized―bed furnace device is located at the middle and upper part of the packing area；
The bypass outlet is located in the side wall of the packing area, and positioned at the top of the hydrogen peroxide fluidized―bed furnace device, it is described
Bypass outlet is connected by the reflux pump with the reflux inlet；
The three-dimensional filter is between the packing area and the catchment；
The discharge outlet is located at the middle part of the catchment；
The outlet of the intake pump, the acid adding pump and the ferrous dosing pump connects with the pipe-line mixer；
The outlet of the pipe-line mixer connects with the water inlet；
The outlet of the hydrogen peroxide dosing pump connects with the hydrogen peroxide fluidized―bed furnace device；
The bottom side of the wall of the water distribution area is provided with the slag-drip opening.
A kind of 2. Fenton fluidized-bed reactor according to claim 1, it is characterised in that the backflow fluidized―bed furnace device position
In the top of the Inlet flow pattern distributor, the water outlet of the backflow fluidized―bed furnace device is directed downward, the Inlet flow pattern distribution
The water outlet direction of device is upward.
A kind of 3. Fenton fluidized-bed reactor according to claim 1, it is characterised in that the catalytic filler of the packing area
Particle is：One kind in resin, activated carbon granule, building sand, quartz sand, zeolite, haydite, alundum (Al2O3) ball, fragment of brick chip
Or more than one, the average grain diameter of the catalytic filler particle is 1.0~6.0mm.
A kind of 4. Fenton fluidized-bed reactor according to claim 1, it is characterised in that the hydrogen peroxide fluidized―bed furnace device
Apart from the bottom of the packing area at 1/2~4/5L, wherein, L is the height of the packing area；
During working condition, sulfuric acid, ferrous sulfate and hydrogen peroxide pass through the acid adding pump, the ferrous dosing pump and described respectively
Hydrogen peroxide dosing pump is added, and ferrous sulfate and sulfuric acid are mixed by the pipe-line mixer with the water inlet entered by the intake pump
Close, entered through the Inlet flow pattern distributor by the bottom of the reactor shell.
5. a kind of Fenton fluidized-bed reactor according to claim 1, it is characterised in that the three-dimensional filter is micropore
Ceramic filter, its outer layer aperture are 6mm, and internal layer aperture is 2mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442346 | 2017-04-25 | ||
| CN2017204423466 | 2017-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206858246U true CN206858246U (en) | 2018-01-09 |
Family
ID=60825729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720619302.6U Expired - Fee Related CN206858246U (en) | 2017-04-25 | 2017-05-31 | A kind of Fenton fluidized-bed reactor |
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|---|---|
| CN (1) | CN206858246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098457A (en) * | 2017-04-25 | 2017-08-29 | 大连海事大学 | A kind of Fenton fluidized-bed reactor and its operation method |
-
2017
- 2017-05-31 CN CN201720619302.6U patent/CN206858246U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098457A (en) * | 2017-04-25 | 2017-08-29 | 大连海事大学 | A kind of Fenton fluidized-bed reactor and its operation method |
| CN107098457B (en) * | 2017-04-25 | 2022-08-26 | 大连海事大学 | Fenton fluidized bed reactor and operation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20210531 |