CN111268795A - Cage-shaped microbial packing structure and biochemical pool - Google Patents
Cage-shaped microbial packing structure and biochemical pool Download PDFInfo
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- CN111268795A CN111268795A CN202010218993.5A CN202010218993A CN111268795A CN 111268795 A CN111268795 A CN 111268795A CN 202010218993 A CN202010218993 A CN 202010218993A CN 111268795 A CN111268795 A CN 111268795A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
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Abstract
The invention discloses a cage-shaped microbial filler structure, which is characterized in that: the microbial carrier is characterized by comprising a cage-shaped shell with holes, wherein a microbial carrier is filled in the cage-shaped shell, and the aperture of the cage-shaped shell is smaller than the outer diameter of the microbial carrier; the density of the microbial carriers is distributed in a gradient way, and the density of the microbial carriers is between 0.9 and 1.0g/cm3To (c) to (d); the density of the cage-shaped shell is between 0.9 and 1.0g/cm3In the meantime. The cage-shaped microbial packing structure is applied to an anaerobic tank, can increase the sludge amount in the anaerobic reactor and improve the defect of uneven sludge distribution, improves the utilization rate of anaerobic bacteria, and improves the sewage treatment efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a cage-shaped microbial filler structure and a biochemical pool.
Background
In the anaerobic sewage treatment process, common UASB (upflow anaerobic sludge blanket reactor), IC (integrated circuit) tower, EGSB and the like adopt a mode of water distribution at the bottom and water outlet at the top, and stir the sludge at the speed of generated anaerobic gas and upflow water to achieve the purpose of sludge expansion; however, the distribution of the sludge in the reactor still mainly takes the sludge bed sinking at the bottom as the main part, so that the upper sludge amount in the upflow anaerobic reactor is very small, the sludge distribution is not uniform, and the water treatment effect is not good.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the cage-shaped microbial packing structure, and the cage-shaped microbial packing structure is applied to the anaerobic tank, so that the defect of uneven sludge distribution in the upflow anaerobic reactor can be overcome, the sludge amount of anaerobic bacteria is increased, and the sewage treatment efficiency is improved.
Cage-shaped micro-scaleThe biological filler structure comprises a cage-shaped shell with holes, wherein a microorganism carrier is filled in the cage-shaped shell, and the aperture of the cage-shaped shell is smaller than the outer diameter of the microorganism carrier; the density of the microbial carriers is distributed in a gradient way, and the density of the microbial carriers is between 0.9 and 1.0g/cm3To (c) to (d); the density of the cage-shaped shell is between 0.9 and 1.0g/cm3In the meantime.
The microorganism carrier of the cage-shaped microorganism packing structure at least comprises two densities, wherein the density of the microorganism carrier is between 0.95 and 0.98g/cm3A density of said microbial carrier is between 0.98 and 1.0g/cm3In the meantime.
In the cage-shaped microbial packing structure, the density of the microbial carriers is divided into three, and the density of the microbial carriers with one density is 0.95g/cm3One density of the microbial carrier is 0.98g/cm3One density of the microbial carrier is 1.0g/cm3。
According to the cage-shaped microbial filler structure, the holes of the cage-shaped shell are rectangular or circular and are made of high polymer materials, and the high polymer materials are PP, PE or PO.
The cage-shaped microbial packing structure has the pore size of 10mm by 10mm, and the size of the microbial carrier is 20mm by 20mm or 40mm by 40 mm.
According to the cage-shaped microbial filler structure, the cage-shaped shell is woven by the warps and the wefts, and the distance between every two adjacent wefts does not exceed the outer diameter of the microbial carrier.
In the cage-shaped microbial packing structure, the diameter of the cage-shaped shell is 1000mm, the distance between two adjacent weft wires is 14mm, and the size of the microbial carrier is 20mm by 20mm or 40mm by 40 mm.
In the cage-shaped microbial filler structure, the microbial carrier is a porous structure made of PE (polyethylene), PP (polypropylene) or polypropylene, and activated carbon particles are arranged in the pores of the microbial carrier.
The invention also provides a biochemical pool comprising the cage-shaped microbial packing structure, and a plurality of the cage-shaped microbial packing structures are in contact connection with each other through a fixing device.
The invention has the beneficial effects that: in practical application, put into sewage with above-mentioned cage shape microbial filler structure, anaerobe can be attached to in the microbial carrier, because the microbial carrier envelops in cage shape shell, and cage shape shell has certain holding power, cage shape microbial filler structure in the sewage treatment pond can pile up, be equivalent to more be full of the sewage treatment pond of microbial carrier, make anaerobe distribute evenly, traditional sewage pond has been avoided, the drawback of mud sinking at the bottom of the pool, anaerobism mud is through attaching to reach mud more evenly for distributing in the reactor on the microbial carrier, improve activated sludge volume, improve the anaerobic treatment effect, promote sewage treatment efficiency. The density of the microbial carriers is distributed in a gradient manner, so that the microbial carriers in the cage-shaped shell are distributed more uniformly in the spatial height, and the distribution of the microbes is further improved; the overall density of the cage-shaped microbial filler structure is slightly less than that of water, and the cage-shaped microbial filler structure can float slightly on water; the reactor is convenient to salvage from the top of the reactor.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the distribution of a cage-shaped microbial packing structure in a wastewater tank according to an embodiment of the present invention;
FIG. 2 is a top view of the cage housing;
fig. 3 is a side view of the cage housing.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
The invention provides a cage-shaped microbial filler structure which comprises a cage-shaped shell with holes, wherein a microbial carrier is filled in the cage-shaped shell, and the aperture of the cage-shaped shell is smaller than the outer diameter of the microbial carrier; the density of the microbial carriers is distributed in a gradient way, and the density of the microbial carriers is between 0.9 and 1.0g/cm3To (c) to (d); the density of the cage-shaped shell is between 0.9 and 1.0g/cm3In the meantime.
In practical application, put into sewage with above-mentioned cage shape microbial filler structure, anaerobe can be attached to in the microbial carrier, because the microbial carrier envelops in cage shape shell, and cage shape shell has certain holding power, cage shape microbial filler structure in the sewage treatment pond can pile up, be equivalent to more be full of the sewage treatment pond of microbial carrier, make anaerobe distribute evenly, traditional sewage pond has been avoided, the drawback of mud sinking at the bottom of the pool, anaerobism mud is through attaching to reach mud more evenly for distributing in the reactor on the microbial carrier, improve activated sludge volume, improve the anaerobic treatment effect, promote sewage treatment efficiency.
The following provides an application example:
in the application example, taking a conventional anaerobic reactor with water inlet at the bottom and water outlet at the top as an example, a cage-shaped microorganism packing structure is accumulated in the anaerobic reactor, and because the cage-shaped shell has a certain supporting force and the density of microorganism carriers is in gradient distribution, the anaerobic reactor is fully filled with the microorganism carriers enveloped by the cage-shaped shell, and the defect of sinking at the water bottom is avoided; in addition, the microbial carriers in each cage-shaped shell are graded in density, so that the cage-shaped shells are full of the microbial carriers and cannot sink to the bottom of the cage-shaped shells; finally, the overall density of the cage-shaped microbial filler structure is slightly less than that of water, so that the cage-shaped microbial filler structure can float slightly on water; the reactor is convenient to salvage from the top of the reactor.
As shown in figure 1, cage-shaped microorganism packing structures are stacked in the anaerobic reactor, the cage-shaped microorganism packing structures almost fill the whole anaerobic reactor, the density of microorganism carriers in each microorganism seasoning is distributed in a gradient way, and in the cage-shaped shell of each microorganism seasoning, the bottom layer is high-density microorganism carriers, and the density can be selected to be 1.0g/cm3The middle layer is medium density microorganism carrier, and the density can be selected to be 0.98g/cm3The top layer is a low-density microorganism carrier, and the density can be selected to be 0.95g/cm3。
Alternative embodiments include: the microorganism carrier at least comprises two densities, one density of the microorganism carrier is between 0.95 and 0.98g/cm3A density of said microbial carrier is between 0.98 and 1.0g/cm3In the meantime.
Optional embodiments further include: the holes of the cage-shaped shell are rectangular or circular and are made of high polymer materials, and the high polymer materials are PP, PE or PO.
Optional embodiments further include: the size of the holes of the cage-shaped shell is 10mm by 10mm, and the size of the microorganism carrier is 20mm by 20mm or 40mm by 40 mm.
Optional embodiments further include: the microbial carrier is a porous structure made of PE or PP or polypropylene, and activated carbon particles are arranged in the pores of the microbial carrier.
The present application further provides an implementation manner, which is as follows:
as shown in fig. 2 and 3, in the present embodiment, the cage-shaped shell is a sphere, and is woven by using warps and wefts; the device is divided into two hemispheres, the two hemispheres are assembled into a whole by adopting a connecting piece, the connecting piece can be connected by a buckle, and the inside of a cage-shaped shell combined by the buckle can be used for enveloping a microorganism carrier. The distance between two adjacent wefts does not exceed the outer diameter of the microbial carrier. Specifically, the diameter of the cage-shaped shell is 1000mm, and the distance between two adjacent wefts is 14 mm. The cage-shaped housing provided in this embodiment is capable of enclosing the microbial carriers within the cage, for example, the size of the microbial carriers is 20mm by 20mm or 40mm by 40 mm.
The invention also provides a biochemical pool comprising the cage-shaped microbial packing structure, and a plurality of the cage-shaped microbial packing structures are in contact connection with each other through a fixing device. After connection, the cage-shaped microbial packing structure is recovered, so that the fishing is convenient, and a series of fishing is convenient.
In the cage-shaped microbial filler structure, the density of the microbial carriers is in gradient distribution, so that the microbial carriers in the cage-shaped shell are distributed more uniformly in the spatial height, and the distribution of microbes is further improved; the density of the cage-shaped shell is slightly larger than that of water, so that the cage-shaped microbial filler structure can be immersed in the sewage pool; in summary, the cage-shaped microbial filler structure provided by the invention is applied to an anaerobic reactor to increase the sludge amount, greatly improve the sewage treatment capacity of the traditional anaerobic reactor, and improve the sewage treatment effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A cage-shaped microbial filler structure is characterized in that: the microbial carrier is characterized by comprising a cage-shaped shell with holes, wherein a microbial carrier is filled in the cage-shaped shell, and the aperture of the cage-shaped shell is smaller than the outer diameter of the microbial carrier; the density of the microbial carriers is distributed in a gradient way, and the density of the microbial carriers is between 0.9 and 1.0g/cm3To (c) to (d); the density of the cage-shaped shell is between 0.9 and 1.0g/cm3In the meantime.
2. The cage-shaped microbial filler structure of claim 1, wherein: the microorganism carrier at least comprises two densities, one density of the microorganism carrier is between 0.95 and 0.98g/cm3A density of said microbial carrier is between 0.98 and 1.0g/cm3In the meantime.
3. The cage microbial filler structure of claim 2, wherein: the density of the microbial carrier is divided into three kinds, and the density of the microbial carrier with one density is 0.95g/cm3One density of the microbial carrier is 0.98g/cm3One density of the microbial carrier is 1.0g/cm3。
4. The cage microbial filler structure of claim 3, wherein: the holes of the cage-shaped shell are rectangular or circular and are made of high polymer materials.
5. The cage microbial filler structure of claim 4, wherein: the high polymer material is PP, PE or PO.
6. The cage microbial filler structure of claim 4, wherein: the size of the holes of the cage-shaped shell is 10mm by 10mm, and the size of the microorganism carrier is 20mm by 20mm or 40mm by 40 mm.
7. The cage-shaped microbial filler structure of claim 1, wherein: the cage-shaped shell is woven by warps and wefts, and the distance between every two adjacent wefts does not exceed the outer diameter of the microbial carrier.
8. The cage microbial filler structure of claim 7, wherein: the diameter of the cage-shaped shell is 1000mm, the distance between two adjacent weft threads is 14mm, and the size of the microorganism carrier is 20mm by 20mm or 40mm by 40 mm.
9. The cage-shaped microbial filler structure of claim 1, wherein: the microbial carrier is a porous structure made of polyurethane or PE or PP or polypropylene, and activated carbon particles are arranged in pores of the microbial carrier.
10. A biochemical pond comprising a cage-shaped microbial packing structure according to any one of claims 1 to 9, wherein: a plurality of the cage-shaped microbial packing structures are in contact connection with each other through a fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218993.5A CN111268795A (en) | 2020-03-25 | 2020-03-25 | Cage-shaped microbial packing structure and biochemical pool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010218993.5A CN111268795A (en) | 2020-03-25 | 2020-03-25 | Cage-shaped microbial packing structure and biochemical pool |
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| CN111268795A true CN111268795A (en) | 2020-06-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202529912U (en) * | 2012-02-14 | 2012-11-14 | 神华集团有限责任公司 | Microorganism carrier |
| CN203498167U (en) * | 2013-09-30 | 2014-03-26 | 北京科益创新环境技术有限公司 | Microbial carrier and filler carrier |
| CN106966510A (en) * | 2016-01-14 | 2017-07-21 | 中南大学 | A kind of efficient denitrification bio-carrier and its application in sewage disposal |
| CN206767751U (en) * | 2017-06-04 | 2017-12-19 | 衢州峥嵘环保科技有限公司 | A kind of tennis shape porous microbial carrier |
| JP2019147117A (en) * | 2018-02-28 | 2019-09-05 | 住友重機械工業株式会社 | Solid carrier |
-
2020
- 2020-03-25 CN CN202010218993.5A patent/CN111268795A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202529912U (en) * | 2012-02-14 | 2012-11-14 | 神华集团有限责任公司 | Microorganism carrier |
| CN203498167U (en) * | 2013-09-30 | 2014-03-26 | 北京科益创新环境技术有限公司 | Microbial carrier and filler carrier |
| CN106966510A (en) * | 2016-01-14 | 2017-07-21 | 中南大学 | A kind of efficient denitrification bio-carrier and its application in sewage disposal |
| CN206767751U (en) * | 2017-06-04 | 2017-12-19 | 衢州峥嵘环保科技有限公司 | A kind of tennis shape porous microbial carrier |
| JP2019147117A (en) * | 2018-02-28 | 2019-09-05 | 住友重機械工業株式会社 | Solid carrier |
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Application publication date: 20200612 |