CN214060165U - Oxidation reactor with ceramic filtering membrane arranged in center - Google Patents
Oxidation reactor with ceramic filtering membrane arranged in center Download PDFInfo
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- CN214060165U CN214060165U CN202022733257.1U CN202022733257U CN214060165U CN 214060165 U CN214060165 U CN 214060165U CN 202022733257 U CN202022733257 U CN 202022733257U CN 214060165 U CN214060165 U CN 214060165U
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Abstract
The utility model discloses a center embeds oxidation reactor of pottery filtration membrane, including main part reactor, cascaded spiral rivers passageway and ceramic membrane pipe, the main part reactor passes through cascaded spiral rivers passageway and connects the ceramic membrane pipe, the ceramic membrane pipe sets up the inside of main part reactor, and the two is concentric, cascaded spiral rivers passageway spiral distributes the surface of ceramic membrane pipe, the utility model provides high degradation efficiency to organic pollutant in the sewage.
Description
Technical Field
The utility model belongs to the technical field of the advanced wastewater treatment, concretely relates to fragrant oxidation reactor of class of built-in ceramic filtration membrane in center.
Background
China has achieved remarkable results in the fields of municipal sewage, industrial wastewater, seawater desalination and the like, but is still in a starting state in the aspect of novel organic wastewater treatment. The organic pollutants have the characteristics of difficult degradation, toxicity, poor biodegradability and easy biological enrichment, are difficult to completely remove by conventional physical and chemical and biochemical treatment, and have potential health hazards to organisms and human bodies when being discharged to water environment. There is a need for an efficient method to be developed to remove them. At present, the main removal methods for such novel organic pollutants include an adsorption method, a fenton method, a photo-fenton method, and the like. The adsorbent involved in the adsorption method has limited adsorption capacity and cannot achieve the purpose of thorough removal; the traditional Fenton method needs a large amount of ferrous salt and hydrogen peroxide, has higher requirements on reaction conditions and needs to consume a large amount of medicaments; photo-fenton works primarily with titanium dioxide systems, but this requires a large input of uv light.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oxidation reactor of built-in ceramic filtration membrane in center has solved the difficult degradation that contains in the sewage, has toxicity, biodegradability poor, the easy biological enrichment organic pollutant is difficult to the problem of getting rid of, its technical scheme as follows:
the utility model provides a built-in ceramic filtration membrane's in center oxidation reactor, includes main part reactor, cascaded spiral water flow channel and ceramic membrane pipe, the main part reactor is connected through cascaded spiral water flow channel ceramic membrane pipe, ceramic membrane pipe sets up the inside of main part reactor, and the two is concentric, cascaded spiral water flow channel spiral distribution is in the surface of ceramic membrane pipe.
Preferably, the main body reactor is cylindrical, the middle part of the main body reactor is hollow, and the main body reactor is made of stainless steel.
Preferably, the ceramic membrane tube is respectively a membrane layer, a transition layer and a support layer from the outside to the inside.
Preferably, the membrane layer, the transition layer and the support layer adopt Al2O3A material.
Preferably, a water inlet is arranged at the top of the main body reactor and above the stepped spiral water flow channel.
Preferably, a dosing port is arranged at the top of the main body reactor and above the stepped spiral water flow channel.
Preferably, a membrane back-flushing device for cleaning the ceramic membrane tubes is arranged at the top of the main body reactor.
Preferably, the membrane backwashing device comprises a backwashing pump, a backwashing water tank and a backwashing control valve, the backwashing water tank is connected with the washing pump through a water pipe, a water outlet pipe is arranged on the washing pump, the backwashing control valve is arranged on the water outlet pipe, and the water outlet pipe extends into the ceramic membrane pipe.
Preferably, the lower end of the ceramic membrane tube is provided with a water outlet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an advanced oxidation technology based on sulfate radical free radical specifically is load manganese dioxide granule on cascaded spiral rivers passageway, and it can catalyze peroxodisulfate to produce the sulfate radical free radical that has strong oxidizing power to reach the catalytic degradation to difficult degradation organic matter.
2. The single channel ceramic membrane pipe that main part reactor center adopted is different from traditional multichannel tubular, flat membrane etc, its configuration is simpler and easier, it is easier to use and wash the operation, in addition in view of the excellent performance of ceramic membrane pipe material, select it as filtration membrane, under sewage is along cascaded spiral water flow channel down work condition around central ceramic membrane pipe, good mixed degree has with persulfate solution, the area of contact with ladder surface load catalyst has also been increased, the scrubbing effect to ceramic membrane pipe has been played simultaneously, the surface pollution of ceramic membrane pipe has been slowed down to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a stepped spiral water flow passage and a ceramic membrane tube;
in the figure: 1-a bulk reactor; 2-a water inlet; 3-a medicine adding port; 4-water outlet; 5-membrane backwashing means; 6-ceramic membrane tube; 7-step type spiral water flow channel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The oxidation reactor with the ceramic filtering membrane arranged in the center as shown in fig. 1 comprises a main body reactor 1, a stepped spiral water flow channel 7 and a ceramic membrane tube 6, wherein the main body reactor 1 is connected with the ceramic membrane tube 6 through the stepped spiral water flow channel 7, and the ceramic membrane tube 6 is arranged in the main body reactor 1 and is concentric with the main body reactor. The main body reactor 1 is cylindrical and hollow in the middle, and the main body reactor 1 is made of stainless steel.
As shown in fig. 2, the stepped spiral water flow channel 7 is located between the main body reactor 1 and the ceramic membrane filter tube 6, the stepped spiral water flow channel 7 is spirally distributed on the outer surface of the ceramic membrane tube 6, and it should be noted that the stepped spiral water flow channel 7 is loaded with metal oxide, it has activating effect on hydrogen persulfate ions, can excite the hydrogen persulfate ions to generate sulfate radicals with strong oxidizing ability, has strong oxidizing capability on novel organic pollutants in the sewage, and further explains that the sewage has good mixing degree with persulfate solution under the condition of flowing on the stepped spiral water flow channel 7, the contact area of the sewage and the surface of the stepped spiral water flow channel 7 loaded with the catalyst is also increased, meanwhile, the ceramic membrane tube 6 is scrubbed, and the surface pollution of the ceramic membrane tube 6 is slowed down to a certain degree.
The whole shape of the ceramic membrane tube 6 is cylindrical, the middle part of the ceramic membrane tube is hollow, the ceramic membrane tube 6 is sequentially provided with a membrane layer, a transition layer and a supporting layer from outside to inside, and the membrane layer, the transition layer and the supporting layer all adopt Al2O3The ceramic membrane is an ultrafiltration membrane, and the pore diameters of the membrane layer, the transition layer and the support layer are gradually increased from small to large.
A water inlet 2, the water inlet 2 is arranged at the top of the main body reactor and is positioned above the stepped spiral water flow channel 7, so that sewage can flow downwards along the stepped spiral water flow channel 7 from the top of the main body reactor 1.
Add medicine mouth 3, add medicine mouth 3 set up in the top of main part reactor 1 and be located the top of cascaded spiral rivers passageway 7 for add hydrogen persulfate solution toward main part reactor 1 in, and ensure to mix at water inlet 2 and sewage.
And the water outlet 4 is positioned at the bottom of the main body reactor 1 and is arranged at the lower end of the ceramic membrane tube 6, a negative pressure form is formed in the ceramic membrane tube 6, and the reacted sewage is filtered by the ceramic membrane tube 6 and then is discharged from the water outlet 4.
The membrane backwashing device 5 is positioned at the top of the main reactor, the membrane backwashing device 5 comprises a backwashing pump, a backwashing water tank and a backwashing control valve, cleaning liquid for cleaning the ceramic membrane pipe 6 is stored in the backwashing water tank and is connected with the washing pump through a water inlet pipe, a water outlet pipe is arranged on the washing pump, the backwashing control valve is arranged on the water outlet pipe, and the water outlet pipe extends into the ceramic membrane pipe 6.
When the backwashing water tank works, the water inlet 2, the chemical adding port 3 and the water outlet 4 are closed, and cleaning liquid of the backwashing water tank is pressurized by the backwashing pump and is sprayed out through the water outlet pipe, so that the ceramic membrane pipe 6 is backwashed.
The during operation, advanced treatment's sewage passes through water inlet 2 and gets into cascaded spiral water flow channel 7 by main part reactor 1 top, add the hydrogen persulfate solution simultaneously with medicine mouth 3, make it and intake along cascaded spiral water flow channel 7 in-process that flows down mix completely, and with the effective contact of the metal oxide catalyst of load on the cascaded spiral water flow channel 7, arouse the sulfate radical free radical that persulfate ion produced and has strong oxidizing power by the catalyst, thereby reach the catalytic degradation to new-type organic pollutant in the sewage. In the process that water flows downwards along the stepped spiral water flow channel 7, sewage gradually passes through the ceramic membrane tube 6 arranged at the center, and the filtered sewage is discharged from the water outlet 4 at the center of the ceramic membrane tube 6. After the system continuously operates for a period of time, the ceramic membrane tube 6 can be backwashed through the membrane tube backwashing device 5, and the purpose of recovering the flux of the ceramic membrane tube 6 is further achieved.
It should be noted that the single-channel ceramic membrane adopted by the reaction device of the utility model has a simple structure, so that the operation is simpler. In addition, the ceramic membrane tube 6 is scrubbed to a certain extent through the downward flowing of the sewage through the stepped spiral water flow channel 7, partial target pollutants in the sewage are removed through the catalytic oxidation effect in the reactor, the pollution of the ceramic membrane tube 6 is slowed down to a large extent, and the treatment efficiency of the reactor on the organic pollutants in the sewage is improved.
Claims (9)
1. An oxidation reactor with a ceramic filter membrane arranged in the center is characterized in that: including main part reactor, cascaded spiral rivers passageway and ceramic membrane pipe, the main part reactor passes through cascaded spiral rivers passageway and connects ceramic membrane pipe, ceramic membrane pipe sets up the inside of main part reactor, and the two is concentric, cascaded spiral rivers passageway spiral distribution is in the surface of ceramic membrane pipe.
2. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: the main body reactor is cylindrical, the middle part of the main body reactor is hollow, and the main body reactor is made of stainless steel.
3. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: the ceramic membrane tube is sequentially provided with a membrane layer, a transition layer and a supporting layer from outside to inside.
4. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 3, wherein: the film layer, the transition layer and the supporting layer adopt Al2O3A material.
5. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: the top of the main body reactor is provided with a water inlet above the stepped spiral water flow channel.
6. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: and a dosing port is arranged at the top of the main body reactor and above the stepped spiral water flow channel.
7. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: and a membrane back-flushing device for cleaning the ceramic membrane tube is arranged at the top of the main reactor.
8. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 7, wherein: the membrane backwashing device comprises a backwashing pump, a backwashing water tank and a backwashing control valve, wherein the backwashing water tank is connected with the washing pump through a water pipe, a water outlet pipe is arranged on the washing pump, the backwashing control valve is arranged on the water outlet pipe, and the water outlet pipe extends into the ceramic membrane pipe.
9. The oxidation reactor with a built-in ceramic filter membrane in the center according to claim 1, wherein: the lower end of the ceramic membrane tube is provided with a water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733257.1U CN214060165U (en) | 2020-11-24 | 2020-11-24 | Oxidation reactor with ceramic filtering membrane arranged in center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733257.1U CN214060165U (en) | 2020-11-24 | 2020-11-24 | Oxidation reactor with ceramic filtering membrane arranged in center |
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| Publication Number | Publication Date |
|---|---|
| CN214060165U true CN214060165U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022733257.1U Active CN214060165U (en) | 2020-11-24 | 2020-11-24 | Oxidation reactor with ceramic filtering membrane arranged in center |
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| Country | Link |
|---|---|
| CN (1) | CN214060165U (en) |
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2020
- 2020-11-24 CN CN202022733257.1U patent/CN214060165U/en active Active
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