CN219489755U - Flexible aeration device for sewage treatment - Google Patents
Flexible aeration device for sewage treatment Download PDFInfo
- Publication number
- CN219489755U CN219489755U CN202320735943.3U CN202320735943U CN219489755U CN 219489755 U CN219489755 U CN 219489755U CN 202320735943 U CN202320735943 U CN 202320735943U CN 219489755 U CN219489755 U CN 219489755U
- Authority
- CN
- China
- Prior art keywords
- aeration
- bag
- supporting
- flexible
- sewage treatment
- 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.)
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- 238000005273 aeration Methods 0.000 title claims abstract description 95
- 239000010865 sewage Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 6
- 238000010409 ironing Methods 0.000 claims description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 238000005276 aerator Methods 0.000 description 13
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
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
Abstract
The utility model discloses a flexible aeration device for sewage treatment, which comprises an aeration bag formed by sealing an aeration film at the top and a supporting layer at the bottom through edge hot ribs; an air charging hole is arranged on the aeration film, and a water draining and air discharging hole which is arranged in a staggered manner with the air charging hole is arranged on the supporting layer; the aeration membrane is provided with a plurality of aeration micro gaps, and part of gas filled into the aeration bag through the aeration openings overflows through the aeration micro gaps; the flexible supporting edges are covered outside the hot rib edges at the two ends of the aeration bag, and the guide rods are arranged in the supporting edges in a penetrating way. The aeration device adopts the design of a film bag type structure, so that the installation requirement is lower, and the on-site installation time and difficulty are reduced; the oxygen transfer efficiency can be improved, the pressure loss is reduced, and the low energy consumption is realized; the problems of easy scaling and pollution blocking can be solved, the stability is high, and the operation and maintenance cost can be reduced.
Description
Technical Field
The utility model relates to a flexible aeration device for sewage treatment, and belongs to the technical field of sewage treatment.
Background
The aerator is a necessary device for aeration and oxygenation of water supply and drainage, and in the field of sewage treatment, the conventionally used aerators are a tubular aerator and a disc aerator. When the pipe type aerator and the disc type aerator are installed, a plurality of pipelines are required to be arranged in the tank in advance, and then the aerator is installed on the pipelines, so that time and labor are wasted due to the fact that each independent aerator is required to be installed; and in the use process, the problems of microporous scaling blockage, high energy consumption and high operation and maintenance cost exist in both the tubular aerator and the disc aerator.
Disclosure of Invention
The utility model aims to provide a flexible aeration device for sewage treatment, which solves the problems of complicated installation, scaling and blockage of micropores, high energy consumption and high operation and maintenance cost of the traditional aerator.
The technical scheme adopted by the utility model is as follows:
a flexible aeration device for sewage treatment, comprising:
the aeration bag is formed by sealing an aeration film at the top and a supporting layer at the bottom through edge hot ribs;
an air charging hole is arranged on the aeration film, and a water draining and air discharging hole which is arranged in a staggered manner with the air charging hole is arranged on the supporting layer;
the aeration membrane is provided with a plurality of aeration micro gaps, and part of gas filled into the aeration bag through the aeration openings overflows through the aeration micro gaps;
the flexible supporting edges are covered outside the hot rib edges at the two ends of the aeration bag, and the guide rods are arranged in the supporting edges in a penetrating way.
Further preferably, the aeration device further comprises a fixing assembly;
the fixed subassembly include:
the two groups of angle steel supporting pieces are correspondingly arranged at two sides of the supporting edge of the aeration bag;
the two guide rail grooves are symmetrically arranged on one side of the two groups of angle steel supporting pieces, which are close to each other, and the openings of the two groups of angle steel supporting pieces are opposite to each other;
guide rods in supporting edges at two ends of the aeration bag are inserted into guide rail grooves at corresponding sides to enable the aeration bag to be in an unfolding state.
Further preferably, a plurality of parallel composite ironing ribs are formed on the aeration bag, and the aeration film and the supporting layer are bonded into a whole by the composite ironing ribs, so that the inner cavity of the aeration bag is divided into a plurality of through cavities.
Further preferably, the aeration film is made of thermoplastic polyurethane.
Further preferably, the supporting layer is made of glass fiber.
Further preferably, the aeration micro gap is irregularly shaped.
Further preferably, a vertical section of the angle steel support member is provided with a vertical groove for adjusting the installation height of the guide rail grooves, a horizontal section of the angle steel support member is provided with a bottom groove for adjusting the distance between the two guide rail grooves, and the bottom groove is perpendicular to the guide rail grooves.
The utility model has the beneficial effects that:
1. the aeration device adopts the design of a film bag type structure, so that the installation requirement is lower, and the on-site installation time and difficulty are reduced;
2. through the design of a film bag type and micro-gap structure, the oxygen transfer efficiency can be improved (more than 46 percent), the pressure loss is reduced (less than 3 kpa), and the low energy consumption is realized;
3. the design of the film bag type structure and the micro-gap structure can also solve the problems of easy scaling and pollution blocking, has high stability and can reduce the operation and maintenance cost.
Drawings
FIG. 1 is a plan view of an aeration bag according to the present utility model;
fig. 2 is a perspective cut view (the front and back sides of the hot rib edges are omitted) of the aeration bag provided by the utility model;
FIG. 3 is a front view of FIG. 1 at A;
FIG. 4 is a schematic view of a structure of a fixing assembly;
FIG. 5 is a schematic view of an aeration bag after installation;
the main reference numerals in the figures have the following meanings:
1. the aeration film, 2, the supporting layer, 3, compound scalds the muscle, 4, the inflation inlet, 5, drainage gas vent, 6, aeration micro gap, 7, scalds the muscle limit, 8, supporting edge, 9, guide bar, 10, angle steel support piece, 11, guide rail groove, 12, vertical groove, 13, kerve.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1-5: the embodiment is a flexible aeration device for sewage treatment, which comprises an aeration bag formed by sealing an aeration film 1 at the top and a supporting layer 2 at the bottom through edge hot ribs; the aeration membrane 1 is made of thermoplastic polyurethane, the supporting layer 2 is made of glass fiber, the two excellent materials endow the aeration bag with ultra-long service life, the frequent water cut-off caused by maintenance of the aeration device by the materials is reduced, and the aeration membrane has the performances of ozone resistance, ultraviolet ray resistance, wind resistance, acid and alkali resistance and high grease resistance.
In order to ensure that the air is uniformly distributed in the aeration bag as much as possible and the bag has enough pressure, a plurality of parallel composite ironing ribs 3 are formed on the aeration bag, and the composite ironing ribs 3 bond the aeration film 1 and the supporting layer 2 into a whole as shown in fig. 1 and 2, so that the inner cavity of the aeration bag is divided into a plurality of through cavities.
Referring to fig. 1 and 2, an aeration opening 4 is arranged at one end of an aeration membrane 1, a water draining and air exhausting opening 5 is arranged on a supporting layer 2 far away from the end of the aeration opening 4, the aeration opening 4 is connected with an air pipeline, and the water draining and air exhausting opening 5 is in a closed state when the aeration operation is kept; the aeration membrane 1 is provided with a plurality of irregularly-shaped aeration micro-gaps 6, and after air is filled into the aeration membrane through the aeration openings 4, part of the air overflows into sewage in the form of tiny bubbles from the irregularly-shaped aeration micro-gaps 6 on the surface of the aeration membrane 1 to be oxygenated. The aeration micro gaps 6 are uniformly distributed on the upper surface of the aeration bag, so that bubbles can be uniformly discharged from inside to outside in one direction; when the aeration stops working, the micro gap on the aeration bag is automatically closed.
Through the design of the film bag type micro-gap structure, the oxygen transfer efficiency can be obviously improved (more than 46 percent) and the pressure loss can be reduced (less than 3 kpa), the oxygen transfer efficiency of the traditional tubular aerator and the disc aerator is generally 30-33 percent, the pressure loss range is generally less than 5kpa, and the low energy consumption is effectively realized; and the design of the film bag type structure and the micro-gap structure can solve the problems of easy scaling and pollution blocking due to the fact that no normally open holes exist, and the film bag type structure and the micro-gap structure are high in stability and can reduce operation and maintenance cost.
In order to facilitate the installation of the aeration bag, as shown in fig. 3 and 4, the hot rib edges 7 at the two ends of the aeration bag are coated with flexible supporting edges 8, and guide rods 9 are arranged in the supporting edges 8 in a penetrating manner. The device is characterized in that a corresponding fixing assembly is also arranged, and the fixing assembly comprises two groups of angle steel supporting pieces 10 which are correspondingly arranged on the side, provided with the supporting edge 8, of the aeration bag, and two guide rail grooves 11 which are symmetrically arranged on the side, close to each other, of the two groups of angle steel supporting pieces 10 and are provided with openings in opposite directions; vertical grooves 12 for adjusting the installation height of the guide rail grooves 11 are further formed in the vertical section of the angle steel support member 10, and bottom grooves 13 for adjusting the distance between the two guide rail grooves 11 are formed in the horizontal section of the angle steel support member 10, wherein the bottom grooves 13 are perpendicular to the guide rail grooves 11.
During installation, the distance between two groups of angle steel supporting pieces 10 and the distance between two adjacent supporting pieces in each group of angle steel supporting pieces 10 are planned according to the size of an aeration bag, and each angle steel supporting piece 10 is fixed at the bottom of a biochemical pool by using a chemical anchor bolt; then determining the installation height of the guide rail groove 11 according to the depth of immersed water, and horizontally installing the guide rail groove 11 on each group of angle steel supporting pieces 10 by using a chemical anchor bolt; then, the guide rods 9 in the support edges 8 at the two ends of the aeration bag are respectively provided with guide rail grooves 11 at the two sides, and the guide rods 9 are inserted into the guide rail grooves 11 at the corresponding sides from one end of the guide rail grooves 11 so as to enable the aeration bag to be in an unfolded state (not stretched), as shown in fig. 5. The installation mode can effectively reduce the difficulty and the duration of on-site installation.
The foregoing is merely illustrative of the preferred embodiments of this utility model, and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of this utility model, and such variations and modifications are to be regarded as being within the scope of this utility model.
Claims (6)
1. A flexible aeration device for sewage treatment, comprising:
the aeration bag is formed by sealing an aeration film at the top and a supporting layer at the bottom through edge hot ribs;
an air charging hole is arranged on the aeration film, and a water draining and air discharging hole which is arranged in a staggered manner with the air charging hole is arranged on the supporting layer;
the aeration membrane is provided with a plurality of aeration micro gaps, and part of gas filled into the aeration bag through the aeration openings overflows through the aeration micro gaps;
the flexible supporting edges are covered outside the hot rib edges at the two ends of the aeration bag, and the guide rods are arranged in the supporting edges in a penetrating way.
2. A flexible aeration device for wastewater treatment according to claim 1 and also comprising a securing assembly;
the fixed subassembly include:
the two groups of angle steel supporting pieces are correspondingly arranged at two sides of the supporting edge of the aeration bag;
the two guide rail grooves are symmetrically arranged on one side of the two groups of angle steel supporting pieces, which are close to each other, and the openings of the two groups of angle steel supporting pieces are opposite to each other;
guide rods in supporting edges at two ends of the aeration bag are inserted into guide rail grooves at corresponding sides to enable the aeration bag to be in an unfolding state.
3. A flexible aeration device for sewage treatment according to claim 1, wherein a plurality of parallel composite ironing bars are formed on the aeration bag, and the composite ironing bars bond the aeration film and the supporting layer into a whole, thereby dividing the inner cavity of the aeration bag into a plurality of through cavities.
4. A flexible aeration device for sewage treatment according to claim 1, wherein the aeration membrane is made of thermoplastic polyurethane.
5. A flexible aeration device for sewage treatment according to claim 1, wherein the supporting layer is made of glass fiber material.
6. A flexible aeration device for sewage treatment according to claim 2, wherein a vertical groove for adjusting the installation height of the guide rail grooves is formed in the vertical section of the angle steel support member, and a bottom groove for adjusting the distance between the two guide rail grooves is formed in the horizontal section of the angle steel support member, and is perpendicular to the guide rail grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735943.3U CN219489755U (en) | 2023-04-06 | 2023-04-06 | Flexible aeration device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735943.3U CN219489755U (en) | 2023-04-06 | 2023-04-06 | Flexible aeration device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219489755U true CN219489755U (en) | 2023-08-08 |
Family
ID=87482097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320735943.3U Active CN219489755U (en) | 2023-04-06 | 2023-04-06 | Flexible aeration device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219489755U (en) |
-
2023
- 2023-04-06 CN CN202320735943.3U patent/CN219489755U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231227 Address after: Room E1215, Building 1, No. 5500 Yuanjiang Road, Minhang District, Shanghai, 2011 Patentee after: Shanghai Zhilian Electromechanical Engineering Technology Co.,Ltd. Address before: Room 1005, Building A2, Huizhi Science and Technology Park, No. 8 Hengtai Road, Nanjing Economic and Technological Development Zone, Jiangsu Province, 210038 Patentee before: Nanjing maidejie Environmental Protection Technology Co.,Ltd. |