CN216129380U - Multi-cylinder internal circulation three-phase biological fluidized bed - Google Patents
Multi-cylinder internal circulation three-phase biological fluidized bed Download PDFInfo
- Publication number
- CN216129380U CN216129380U CN202122869121.8U CN202122869121U CN216129380U CN 216129380 U CN216129380 U CN 216129380U CN 202122869121 U CN202122869121 U CN 202122869121U CN 216129380 U CN216129380 U CN 216129380U
- Authority
- CN
- China
- Prior art keywords
- fluidization
- circulating water
- fluidized bed
- biological fluidized
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a multi-cylinder internal circulation three-phase biological fluidized bed, which comprises a cuboid shell, wherein the upper part of the shell is provided with a treated wastewater outlet and a circulating water outlet, the lower part of the shell is provided with a wastewater inlet to be treated, and the interior of the shell is provided with a plurality of fluidization guide cylinders; the top of each fluidization guide cylinder is provided with a carrier particle separator which is of an umbrella-shaped structure, a pall ring filling cage is arranged above the carrier particle separator and below a treated wastewater outlet and a treated circulating water outlet, the area below the pall ring filling cage is a fluidization area, a partition plate is arranged between every two adjacent fluidization guide cylinders, the fluidization area is divided into a plurality of independent spaces by the partition plate, a fluidization buffer area structure and a water and gas supply area structure are sequentially arranged below each independent space from top to bottom, and the independent spaces, the fluidization buffer area structures and the water and gas supply area structures are communicated with each other; the fluidization buffer zone structure is in an inverted quadrangular frustum pyramid shape; the water and gas supply area structure is provided with a circulating water inlet and a gas inlet. The biological fluidized bed has good fluidization effect and water purification effect.
Description
Technical Field
The utility model relates to a multi-cylinder internal circulation three-phase biological fluidized bed.
Background
The information in this background section is only for enhancement of some understanding of the general background of the utility model and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The biomembrane method is a wastewater treatment method for removing soluble and colloidal organic pollutants in wastewater by attaching microorganisms to the surface of a specific object, and has the characteristics of more biomass, high equipment treatment capacity, low yield of excess sludge, relatively convenient operation and management and the like. The biofilm method mainly comprises the technologies of a biofilter, a biological rotating disc, a biological contact oxidation device, a biological fluidized bed and the like.
The biological fluidized bed is a hotspot of research in wastewater treatment by a biofilm process, and at present, two forms of fluidization of particles formed by sludge self-polymerization in the biological fluidized bed, fluidization in the biological fluidized bed by using an organic filler as a carrier and the like are common. The problems of low replacing speed of microorganisms on the surface of sludge particles, aging of the microorganisms, low metabolic capacity and influence on organic degradation capacity in wastewater mainly exist in the fluidization of particles formed by sludge self-aggregation in a biological fluidized bed. The organic filler as a carrier has the problems of high molecular organic matter as organic carrier particles in the biological fluidized bed, smooth surface of the carrier, poor microorganism adhesion effect in the flowing process, small microorganism adhesion amount on the surface of the carrier and poor wastewater treatment effect. In order to solve the problems of the biological fluidized bed, the current main research direction is to fill mineral, wood and the like as carriers in the biological fluidized bed, the mineral and wood surfaces can see a large number of naturally formed concave-convex structures on the carrier surface under an electron microscope, the attachment of microorganisms is facilitated, and the carrier density is usually 1.10 +/-0.05 g/cm3. As the raw materials such as minerals, wood and the like are used, the density of the carrier is obviously improved compared with the traditional sludge particles and organic carrier particles, the traditional biological fluidized bed cannot meet the fluidization requirements of the high-density carriers such as minerals, wood and the like, mainly shows that the carrier cannot form a stable fluidized state in the fluidized bed, and simultaneously, the carrier is gathered at the bottom of the biological fluidized bed to easily cause the blockage of the biological fluidized bed。
SUMMERY OF THE UTILITY MODEL
Aiming at the background technology, the utility model provides a multi-cylinder internal circulation three-phase biological fluidized bed which has better fluidization effect and water purification effect and good industrial application prospect.
Specifically, the utility model adopts the following technical scheme:
a multi-cylinder internal circulation three-phase biological fluidized bed comprises a cuboid shell, wherein the upper part of the shell is provided with a treated wastewater outlet and a circulating water outlet, the lower part of the shell is provided with a wastewater inlet to be treated, and the interior of the shell is provided with a plurality of fluidization guide cylinders;
a carrier particle separator is arranged above the fluidization guide cylinder, the carrier particle separator is of an umbrella-shaped structure, a pall ring filling cage is arranged above the carrier particle separator and below the treated wastewater outlet and the treated circulating water outlet, the area below the pall ring filling cage is a fluidization area, a partition plate is arranged between every two adjacent fluidization guide cylinders, the fluidization area is divided into a plurality of independent spaces by the partition plate, a fluidization buffer area structure and a water and gas supply area structure are sequentially arranged below each independent space from top to bottom, and the independent spaces, the fluidization buffer area structures and the water and gas supply area structures are communicated with each other;
the fluidization buffer zone structure is in an inverted quadrangular frustum pyramid shape;
the water and gas supply area structure is provided with a circulating water inlet and a gas inlet.
In the present invention, preferably, the housing is provided with a sampling port.
In the present invention, preferably, a plurality of fluidization guide cylinders are longitudinally arranged in parallel in the housing.
In the present invention, the shape of the structure of the water and gas supply area is not particularly limited as long as the function of supplying circulating water and gas can be satisfied. Preferably, the cross section of the water and air supply region structure may be the same shape as the bottom surface of the inverted quadrangular frustum shaped structure, for example, rectangular, and accordingly, the water and air supply region structure has a rectangular parallelepiped shape.
In the present invention, the number of the plurality is 2 or more than 2.
In the utility model, the pall ring packing cage is in a cuboid shape, and the length and the width of the pall ring packing cage are the same as those of the space in the cuboid shell, so that the pall ring packing cage is clamped in the shell.
In the utility model, the filler in the pall ring filler cage is pall ring filler. The pall ring packing is a novel packing, is improved aiming at some defects of a Raschig ring, and is formed by opening eight layers of rectangular small windows on the wall of a common Raschig ring, overlapping blades of the small windows in the center of the ring and overlapping the positions of upper and lower surface layer windows.
In the utility model, the multi-cylinder internal circulation three-phase biological fluidized bed also comprises a circulating water pump, and the circulating water inlet is communicated with the circulating water outlet through the circulating water pump.
Further, the circulating water inlet is communicated with the circulating water outlet through a circulating water pipe and a circulating water pump. The circulating water pipe extends into the water and gas supply area structure through the circulating water inlet.
In the utility model, the multi-cylinder internal circulation three-phase biological fluidized bed also comprises an air compressor, and the air compressor is connected with the air inlet and provides gas for the multi-cylinder internal circulation three-phase biological fluidized bed. Preferably, the air inlet is connected with an air distribution pipe, and the air distribution pipe is provided with an air outlet.
In the present invention, preferably, the carrier particle separator is fixed on the upper part of the fluidization guide cylinder by a fixing bracket and a bolt.
In the present invention, it is preferable that the partition is fixed in the housing using a fixing block.
Compared with the related technology known by the inventor, one technical scheme of the utility model has the following beneficial effects:
the internal circulation three-phase biological fluidized bed is provided with a circulating water and compressed air fluidization power system, optimizes the water distribution and gas distribution structure, and realizes that a high-density carrier has a better fluidization effect.
The internal circulation three-phase biological fluidized bed is provided with the partition plates, so that the biological fluidized bed is divided into a plurality of fluidized areas, the mutual influence among a plurality of cylinders of fluidized areas is reduced, and the fluidizing effect of each fluidized area is improved.
The carrier particle separator adopted by the utility model can realize the change of the flow direction of the waste water, the air and the carrier particles by changing the flow direction of the three-phase flow flowing out of the fluidization guide cylinder, realizes the separation of three phases and reduces the loss caused by the carrier entering a circulating water pump or flowing out along with the outlet water.
The pall ring packing cage adopted by the utility model can separate a small amount of escaping carrier particles at the lower part, prevent the carrier particles from entering a circulating water pump, and simultaneously, as a biological filter, further improve the degradation efficiency of organic matters in wastewater.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
FIG. 2 is a schematic bottom view of the partial structure (the housing, the fluidization buffer zone structure, and the water-gas supply zone structure) of example 1 of the present invention.
The device comprises a shell, a fluidization guide cylinder, a carrier particle separator, a fluidized guide cylinder.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, if there are terms such as "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, the terms are only terms determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present disclosure.
In the present invention, if the terms "fixedly connected", "connected", etc. are used in a broad sense, they may be fixedly connected, or integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. For persons skilled in the art, the specific meanings of the above terms in the present invention can be determined according to specific situations, and are not to be construed as limiting the present invention.
In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.
Example 1
A multi-cylinder internal circulation three-phase biological fluidized bed is shown in figure 1 and comprises a shell 1, a fluidization buffer zone structure 25 and a water and gas supply zone structure 26 which are communicated from top to bottom. As shown in fig. 2, the housing 1 has a rectangular parallelepiped shape, the fluidization buffer area structure 25 has an inverted quadrangular frustum pyramid shape, and the water and gas supply area structure 26 has a rectangular parallelepiped shape having a cross section of a square shape (special rectangular shape) which is the same shape as the bottom surface of the inverted quadrangular frustum pyramid-shaped fluidization buffer area structure 25. The shell 1 is connected with the fluidization buffer zone structure 25 by a square flange I7. The water and air supply zone structure 26 is provided with a circulating water inlet 21 and an air inlet 23.
The shell 1 is divided into an upper part and a lower part, and the upper part of the shell 1 is provided with a treated wastewater outlet 6 and a circulating water outlet 17. The lower part of the shell 1 is provided with a waste water inlet 14 to be treated and a sampling port 13.
Two fluidization guide cylinders 2 which are arranged in parallel in the longitudinal direction are arranged in the shell 1, the fluidization guide cylinders 2 are of a circular cylindrical structure, and a carrier particle separator 3 which is of an umbrella-shaped structure is arranged above each fluidization guide cylinder 2. The carrier particle separator 3 is fixed on the upper part of the fluidization guide cylinder 2 by using a fixing bracket 5 and a bolt 10. The main function of the carrier particle separator 3 is to separate the carrier particles 16 from the waste water. A pall ring packing cage 4 is arranged above the carrier particle separator 3 and below the treated wastewater outlet 17 and the circulating water outlet 6, the pall ring packing cage is cuboid, and the length and the width of the pall ring packing cage are the same as those of the space in the cuboid shell 1, so that the pall ring packing cage 4 is just clamped in the shell 1. The packing in the pall ring packing cage 4 is pall ring packing 15. The area below the pall ring packing cage 4 is a carrier fluidization area, the carrier fluidization area comprises an ascending area 8 in a fluidization guide cylinder 2 and a descending area 9 formed between the wall of a shell 1 and the wall of the fluidization guide cylinder 2, a partition plate 11 is arranged between two adjacent fluidization guide cylinders 2, the partition plate 11 is fixed in the shell 1 by adopting a fixing block 12, the carrier fluidization area is divided into 2 independent spaces by the partition plate 11, a fluidization buffer area structure 25 and a water and air supply area structure 26 are sequentially arranged below each independent space from top to bottom, and the independent spaces, the fluidization buffer area structure 25 and the water and air supply area structure 26 are internally communicated. The fluidization buffer area structure 25 is connected with the water and gas supply area structure 26 by adopting a second square flange 20.
In addition, the multi-cylinder internal circulation three-phase biological fluidized bed of the embodiment further comprises a circulating water pump 18, and the circulating water inlet 21 is communicated with the circulating water outlet 17 through a circulating water pipe 19 and the circulating water pump 18.
In addition, the multi-cylinder internal circulation three-phase biological fluidized bed of the embodiment further includes an air compressor 22, the air compressor 22 is connected with the air inlet 23, the air inlet 23 is connected with the air distribution pipe 24, and the air distribution pipe 24 is provided with a plurality of air outlet holes to provide air for the multi-cylinder internal circulation three-phase biological fluidized bed.
The operation principle is as follows: in operation, carrier particles 16 loaded with microorganisms are placed in the fluidization draft tube 2 and the fluidization buffer zone structure 25, the circulating water pump 18 and the air compressor 22 are started, and the carrier particles 16 flow between the fluidization draft tube 2 and the housing 1 by using the circulating water pump 18 and the air compressor 22 as power. The carrier particles 16 are carried by the water flow and the gas to move upwards in the fluidization draft tube 2, and after reaching the lower part of the carrier particle separator 3, the carrier particles 16 enter the space between the shell 1 and the fluidization draft tube 2 and move downwards, so that a circulation is formed. The wastewater to be treated enters the fluidized bed through the wastewater inlet 14 to be treated, organic matters in the wastewater react with microorganisms, solid-gas-liquid three-phase separation is carried out through the carrier particle separator 3, solid-liquid separation is carried out again through the pall ring packing cage 4, and the treated wastewater is discharged from the treated wastewater outlet 6. In addition, part of water after passing through the pall ring packing cage 4 flows into a circulating water outlet 17 and flows into the fluidized bed from a circulating water inlet 21 under the action of a circulating water pump 18, so that the circulating treatment is carried out, and the purification effect of the waste water is improved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A multi-cylinder internal circulation three-phase biological fluidized bed is characterized by comprising a cuboid shell, wherein the upper part of the shell is provided with a treated wastewater outlet and a circulating water outlet, the lower part of the shell is provided with a wastewater inlet to be treated, and the interior of the shell is provided with a plurality of fluidization guide cylinders;
a carrier particle separator is arranged above the fluidization guide cylinder, the carrier particle separator is of an umbrella-shaped structure, a pall ring filling cage is arranged above the carrier particle separator and below the treated wastewater outlet and the treated circulating water outlet, the area below the pall ring filling cage is a fluidization area, a partition plate is arranged between every two adjacent fluidization guide cylinders, the fluidization area is divided into a plurality of independent spaces by the partition plate, a fluidization buffer area structure and a water and gas supply area structure are sequentially arranged below each independent space from top to bottom, and the independent spaces, the fluidization buffer area structures and the water and gas supply area structures are communicated with each other;
the fluidization buffer zone structure is in an inverted quadrangular frustum pyramid shape;
the water and gas supply area structure is provided with a circulating water inlet and a gas inlet.
2. The multi-cylinder internal circulation three-phase biological fluidized bed according to claim 1, wherein the cross section of the water and gas supply region structure is the same shape as the bottom surface of the inverted quadrangular frustum pyramid shaped structure.
3. The multi-cylinder internal-circulation three-phase biological fluidized bed according to claim 1, wherein the number of the plurality of the biological fluidized beds is 2 or more than 2.
4. The multi-cylinder internal circulation three-phase biological fluidized bed according to claim 1, wherein the pall ring packing cage is in a rectangular parallelepiped shape, and the length and width thereof are the same as those of the space in the rectangular parallelepiped housing.
5. The multi-cylinder internal-circulation three-phase biological fluidized bed as claimed in claim 1, further comprising a circulating water pump, wherein the circulating water inlet is communicated with the circulating water outlet through the circulating water pump.
6. The multi-cylinder internal-circulation three-phase biological fluidized bed as claimed in claim 5, wherein the circulating water inlet is communicated with the circulating water outlet through a circulating water pipe and a circulating water pump.
7. The multi-cylinder internal-circulation three-phase biological fluidized bed according to claim 1, further comprising an air compressor connected to the air inlet.
8. The multi-cylinder internal circulation three-phase biological fluidized bed according to claim 7, wherein the gas inlet is connected with a gas distribution pipe, and the gas distribution pipe is provided with gas outlet holes.
9. The multi-drum internal circulation three-phase biological fluidized bed according to claim 1, wherein the carrier particle separator is fixed on the upper part of the fluidization guide drum by adopting a fixing bracket and a bolt to be matched.
10. The multi-drum internal circulation three-phase biofluid bed according to claim 1, wherein a fixing block is used to fix the partition in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122869121.8U CN216129380U (en) | 2021-11-22 | 2021-11-22 | Multi-cylinder internal circulation three-phase biological fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122869121.8U CN216129380U (en) | 2021-11-22 | 2021-11-22 | Multi-cylinder internal circulation three-phase biological fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216129380U true CN216129380U (en) | 2022-03-25 |
Family
ID=80779283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122869121.8U Active CN216129380U (en) | 2021-11-22 | 2021-11-22 | Multi-cylinder internal circulation three-phase biological fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216129380U (en) |
-
2021
- 2021-11-22 CN CN202122869121.8U patent/CN216129380U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100488895C (en) | Multi-stage inner-circulation nitration-denitrification biological denitrogenation reactor | |
| CN202089869U (en) | High-efficient composite reaction device for anaerobic organism | |
| CN103073108A (en) | Moving bed type purification tank | |
| CN205773937U (en) | A kind of ozone occurs and processing means | |
| CN100522842C (en) | Anaerobic reactor | |
| CN203568938U (en) | Domestic sewage treatment system | |
| CN201193209Y (en) | Internal circulating anaerobic reactor | |
| CN102531173A (en) | Composite medium biological filter sewage treatment method and matched device | |
| CN102471109B (en) | Reactor for anaerobically purifying waste water comprising multi-phase separator devices | |
| CN216129380U (en) | Multi-cylinder internal circulation three-phase biological fluidized bed | |
| CN1240628C (en) | Method for separating gas, water and biomass and three-phase separating system | |
| CN106630499A (en) | Efficient and rapid sewage treatment device | |
| CN2885376Y (en) | Active coke adsorption tank | |
| CN219689524U (en) | Aquaculture tail water treatment bank-based ecological ditch | |
| CN108946939A (en) | A kind of distributed domestic sewage treatment equipment and its technique | |
| CN102730822A (en) | High efficiency biological contact turntable reactor | |
| CN210261288U (en) | Micro-heavy bed biochemical treatment device | |
| CN111333261A (en) | Wastewater treatment system based on constructed wetland | |
| CN110156162A (en) | The micro- light bed biochemical treatment apparatus of one kind and sewage water treatment method | |
| CN216236279U (en) | Internal circulation two-phase biological fluidized reactor | |
| CN1296121C (en) | Waste gas treatment equipment of current propelling combined biological reactor | |
| CN2479009Y (en) | High-efficiency reactor for treatment of non-degradable industrial waste water | |
| CN210764567U (en) | Biochemical treatment device for micro light bed | |
| CN205710329U (en) | A kind of water treatment facilities | |
| CN205398222U (en) | Anaerobism recombination reaction ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |