CN210261468U - Fluidized bed aerobic reactor with reflux device - Google Patents
Fluidized bed aerobic reactor with reflux device Download PDFInfo
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- CN210261468U CN210261468U CN201920885001.7U CN201920885001U CN210261468U CN 210261468 U CN210261468 U CN 210261468U CN 201920885001 U CN201920885001 U CN 201920885001U CN 210261468 U CN210261468 U CN 210261468U
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Abstract
The utility model discloses a fluidized bed aerobic reactor with a reflux device, belonging to the field of aerobic equipment, comprising an aerobic reaction zone and a sedimentation reflux zone; the deposition reflux zone comprises a steam stripping reflux device, and the steam stripping reflux device comprises a steam stripping liquid outlet pipe and a steam stripping gas inlet pipe; one end of the steam stripping gas inlet pipe extends from the bottom of the precipitation reflux area to the water inlet of the aerobic reaction area; the bottom section of the sedimentation reflux zone is provided with an opening, and a steam stripping liquid outlet pipe is vertically inserted and extends to the liquid level; the steam stripping liquid outlet pipe is connected with a steam stripping gas inlet pipe below the liquid level, and the other end of the steam stripping gas inlet pipe extends out of the precipitation reflux area; the utility model discloses a form from the strip reflux unit who takes, the mode that utilizes the strip reflux in concrete application makes filler evenly distributed at the reaction zone, can not pile up at the cell body end, can realize the stable processing of high concentration chemical wastewater sewage.
Description
Technical Field
The utility model relates to an aerobic equipment field, concretely relates to from fluidized bed aerobic reaction ware of taking reflux unit.
Background
The aerobic reaction is divided into a fixed bed and a fluidized bed according to the filling mode. The fixed bed biological aerobic reactor has the defects of filler pollution blockage, poor mass transfer effect, high one-time investment cost and the like, and the fluidized bed aerobic reactor has the advantages of high volume load, strong impact load resistance, high microbial activity and good mass transfer effect. The current common fluidized bed filling materials comprise polyurethane filling materials, pall rings and MBBR (moving bed biofilm reactor) polymer biological filling materials, and the filling materials are based on an activated sludge method, and are combined by using electrophilic charging property and porous immobilized activated sludge of modified carriers and EPS (expandable polystyrene) 2 of the activated sludge.
However, this fluidized bed aerobic reactor has several problems that 1, the packing of the fluidized bed is liable to be accumulated toward the end with the hydraulic thrust. 2. Because the filler is combined with the activated sludge, and the microorganisms in the activated sludge are the main component for degrading the organic matters in the wastewater, the immobilized effective microorganism amount is still not much, the microorganisms and bacteria can not be immobilized to a large extent, and the immobilization effect is poor. Above problem leads to when aiming at high concentration chemical industry waste water, this fluidized bed aerobic reaction ware is difficult to realize stable processing and reaches standard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the problem that exists among the prior art, disclose a from fluidized bed aerobic reaction ware of taking reflux unit, through setting up air stripping reflux unit, avoided the fluidized bed to pack at the terminal accumulational defect of good oxygen pond.
The utility model discloses a realize like this:
a fluidized bed aerobic reactor with a reflux device is characterized in that the reactor comprises an aerobic reaction zone and a precipitation reflux zone; the deposition reflux zone comprises a steam stripping reflux device, and the steam stripping reflux device comprises a steam stripping liquid outlet pipe and a steam stripping gas inlet pipe; one end of the steam stripping gas inlet pipe extends from the bottom of the precipitation reflux area to the water inlet of the aerobic reaction area; the bottom section of the sedimentation reflux zone is provided with an opening, and a steam stripping liquid outlet pipe is vertically inserted and extends to the liquid level; the steam stripping liquid outlet pipe is connected with a steam stripping gas inlet pipe below the liquid level, and the other end of the steam stripping gas inlet pipe extends out of the precipitation reflux area; the end of the steam stripping gas inlet pipe is connected with compressed air in a downward mode, the compressed air extends to the bottom of the steam stripping liquid outlet pipe from the liquid level, and the compressed air is blown in. The utility model discloses an air stripping reflux unit's effect has avoided the fluidized bed to pack and has piled up at good oxygen pond end to realize the internal reflux of packing, processing water.
Furthermore, the vertical end of the steam stripping liquid outlet pipe is 0.5m-1.5m away from the pool bottom of the aerobic reactor, and the other end extends to a position above the liquid level of the aerobic reaction zone and extends to the water inlet position of the aerobic reaction zone at an angle of approximately 90 degrees or a right angle.
Further, the interior of the aerobic reaction zone comprises an aeration device, fluidized bed fillers and a biological agent (7); the aeration device is a membrane aerator, and the number of the membrane aerators is 3-6/m2(ii) a The fluidized bed filler is powdered activated carbon, the specification is 30-120 meshes, and the filling proportion is 5% -30% of the tank volume; the biological agent is a compound microbial flora. The powder activated carbon carrier of 5 percent to 30 percent of the utility model can be added at one time without being supplemented every day. And the biological concentration of the aerobic reactor is greatly improved by utilizing the porosity and bacteria adsorption of the powdered activated carbon.
Furthermore, the material of the steam stripping liquid outlet pipe is corrosion-resistant and comprises carbon steel, a stainless pipe, PP and UPVC; the specification is DN.
Furthermore, the system water inlet pipe, the system water pipe and the system water outlet pipe sequentially penetrate through the aerobic reaction zone and the sedimentation reflux zone.
Furthermore, the reflux water flow of the stripping reflux device is 50m3/d-300m3/d。
The utility model discloses with prior art's beneficial effect lie in:
1) the aerobic reactor is composed of the aerobic reaction zone and the sedimentation reflux zone, the stripping liquid outlet pipe and the stripping air inlet pipe are arranged in the aerobic reactor to form a self-contained stripping reflux device, and the filler is uniformly distributed in the reaction zone in a stripping reflux mode in the specific application process, so that the filler cannot be accumulated at the tail end of the tank body, and the stable treatment of high-concentration chemical wastewater and sewage can be realized;
2) the utility model discloses a with the combination of powdered activated carbon and compound microbial community, the adsorption efficiency of make full use of activated carbon carries compound microbial community admittedly, forms complete flora branch and unzips to form the process that adsorbs the desorption in the activated carbon, improve the degradation clearance of organic matter.
Drawings
FIG. 1 is an elevation view of a fluidized bed aerobic reactor with a reflux unit of the utility model;
FIG. 2 is a plan view of a fluidized bed aerobic reactor with a reflux device of the utility model;
the system comprises a reaction zone 1, an aerobic reaction zone 2, a precipitation reflux zone 3, a steam stripping liquid outlet pipe 4, a steam stripping air inlet pipe 5, a system water pipe 6, fluidized bed filler 7, biological agents 7, a system water inlet pipe 8 and a system water outlet pipe 9.
Detailed Description
In order to make the purpose, technical solution and effect of the present invention clearer and more clear, it is clear that the following list examples are to the present invention for further detailed description. It should be noted that the embodiments described herein are only for explaining the present invention and are not used to limit the present invention.
As shown in fig. 1-2, the aerobic reactor of the present invention comprises an aerobic reaction zone 1 and a sedimentation reflux zone 2; the precipitation reflux zone 2 comprises a stripping reflux unit.
The steam stripping reflux device comprises a steam stripping liquid outlet pipe 3 and a steam stripping gas inlet pipe 4; one end of the steam stripping gas inlet pipe 4 extends from the bottom of the precipitation reflux zone 2 to the water inlet of the aerobic reaction zone 1; the bottom section of the sedimentation reflux zone 2 is opened, the stripping liquid outlet pipe 3 is inserted vertically, the stripping liquid outlet pipe 3 is extended to the liquid level, the vertical end of the specific stripping liquid outlet pipe 3 is 0.5m-1.5m away from the pool bottom of the aerobic reactor, the other end is extended to the position above the liquid level of the aerobic reaction zone 1, and the other end is extended to the water inlet position of the aerobic reaction zone 1 at an angle of nearly 90 degrees or right angle.
The steam stripping liquid outlet pipe 3 is connected with a steam stripping gas inlet pipe 4 below the liquid level, and the other end of the steam stripping gas inlet pipe 4 extends out of the precipitation reflux zone 2; the end of the steam stripping air inlet pipe 4 is connected with compressed air in a downward mode, the compressed air extends to the bottom of the steam stripping liquid outlet pipe from the liquid level, and the compressed air is blown in. The stripping liquid outlet pipe 3 is made of corrosion-resistant materials, the specification is DN, and the materials can be corrosion-resistant materials such as carbon steel, stainless pipes, PP, UPVC and the like. The fluidized bed filler is prevented from being accumulated at the tail end of the aerobic pool by the action of the air stripping reflux device, and the internal reflux of the filler and the treated water is realized.
As shown in fig. 1, the interior of the aerobic reaction zone 1 comprises an aeration device, fluidized bed fillers 6 and biological agents 7; the aeration device is a membrane aerator, and the number of the membrane aerators is 3-6/m2(ii) a The fluidized bed filler 6 is powdered activated carbon, the specification is 30-120 meshes, and the filling proportion is 5% -30% of the tank volume; the biological agent 7 is a compound microbial flora. The utility model discloses a combination of powdered activated carbon and bacterium, the adsorption efficiency of make full use of activated carbon carries compound microbial community admittedly, forms complete flora branch and unzips to form the process that adsorbs the desorption in the activated carbon, improve the degradation clearance of organic matter.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (6)
1. A fluidized bed aerobic reactor with a reflux device is characterized in that the reactor comprises an aerobic reaction zone (1) and a sedimentation reflux zone (2); the deposition reflux zone (2) comprises a stripping reflux device, and the stripping reflux device comprises a stripping liquid outlet pipe (3) and a stripping gas inlet pipe (4); one end of the stripping gas inlet pipe (4) extends to the water inlet position of the aerobic reaction zone (1) from the bottom of the precipitation reflux zone (2); the bottom section of the sedimentation reflux zone (2) is provided with an opening, a steam stripping liquid outlet pipe (3) is vertically inserted into the steam stripping liquid outlet pipe (3) and extends to the liquid level; the steam stripping liquid outlet pipe (3) is connected with a steam stripping gas inlet pipe (4) below the liquid level, and the other end of the steam stripping gas inlet pipe (4) extends out of the precipitation reflux zone (2); the end of the steam stripping air inlet pipe (4) is connected with compressed air in a downward mode, the compressed air extends to the bottom of the steam stripping liquid outlet pipe from the liquid level, and the compressed air is blown in.
2. A fluidized bed aerobic reactor with a reflux device as claimed in claim 1, wherein the vertical end of the stripping liquid outlet pipe (3) is 0.5m-1.5m from the bottom of the aerobic reactor pool, and the other end extends to above the liquid level of the aerobic reaction zone (1) and extends to the water inlet of the aerobic reaction zone (1) at an angle of nearly 90 degrees or at a right angle.
3. A fluidized bed aerobic reactor with a reflux device as claimed in claim 1, wherein the interior of the aerobic reaction zone (1) comprises an aeration device, fluidized bed packing (6), biological agent (7); the aeration device is a membrane aerator, and the number of the membrane aerators is 3-6/m2(ii) a The fluidized bed filler (6) is powdered activated carbon, the specification is 30-120 meshes, and the filling proportion is 5% -30% of the tank volume; the biological agent (7) is a compound microbial flora.
4. The fluidized bed aerobic reactor with the reflux device as claimed in claim 1, wherein the material of the stripping effluent pipe (3) is corrosion resistant material, comprising carbon steel, stainless pipe, PP, UPVC; the specification is DN.
5. The fluidized bed aerobic reactor with the reflux device as claimed in claim 1, wherein the aerobic reaction zone (1) and the sedimentation reflux zone (2) are sequentially penetrated by a system water inlet pipe (8), a system water passing pipe (5) and a system water outlet pipe (9).
6. A fluidized bed aerobic reactor with a reflux device as in claim 1, wherein the reflux water quantity of the stripping reflux device is 50m3/d-300m3/d。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885001.7U CN210261468U (en) | 2019-06-13 | 2019-06-13 | Fluidized bed aerobic reactor with reflux device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885001.7U CN210261468U (en) | 2019-06-13 | 2019-06-13 | Fluidized bed aerobic reactor with reflux device |
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| Publication Number | Publication Date |
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| CN210261468U true CN210261468U (en) | 2020-04-07 |
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| CN201920885001.7U Active CN210261468U (en) | 2019-06-13 | 2019-06-13 | Fluidized bed aerobic reactor with reflux device |
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| CN (1) | CN210261468U (en) |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fluidized bed aerobic reactor with reflux device Effective date of registration: 20210817 Granted publication date: 20200407 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Yixing branch Pledgor: JIANGSU LASON CHEMICAL ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2021320010315 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221217 Granted publication date: 20200407 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Yixing branch Pledgor: JIANGSU LASON CHEMICAL ENVIRONMENTAL PROTECTION CO.,LTD. Registration number: Y2021320010315 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |