CN112897718A - Feeding device of ultramicro bubble aeration equipment and sewage treatment system - Google Patents
Feeding device of ultramicro bubble aeration equipment and sewage treatment system Download PDFInfo
- Publication number
- CN112897718A CN112897718A CN202110360457.3A CN202110360457A CN112897718A CN 112897718 A CN112897718 A CN 112897718A CN 202110360457 A CN202110360457 A CN 202110360457A CN 112897718 A CN112897718 A CN 112897718A
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- CN
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- Prior art keywords
- sewage treatment
- ultramicro
- bubble aeration
- aeration equipment
- aeration
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- 238000005273 aeration Methods 0.000 title claims abstract description 106
- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 239000000725 suspension Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 5
- 238000006213 oxygenation reaction Methods 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides a feeding device of an ultramicro bubble aeration device and a sewage treatment system, relates to the technical field of sewage treatment, and solves the technical problem that the installation mode of the ultramicro bubble aeration device in the prior art is easy to cause sludge precipitation and sedimentation. The device comprises a transverse support and a feeding assembly, wherein the feeding assembly is fixed on the transverse support, and the feeding assembly is connected with the ultramicro bubble aeration equipment and is fed to a preset position in a sewage treatment structure. According to the invention, the ultramicro-bubble aeration equipment can be put into any proper position of a sewage treatment structure through the putting component and play a role, so that the dual functions of aeration, oxygenation and mud-water mixing are realized, the problems of sludge precipitation and sedimentation are avoided, and the sewage treatment efficiency is improved. The feeding device of the ultramicro bubble aeration equipment can avoid the damage to the existing bottom aeration system and realize the reconstruction without stopping water.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a feeding device of ultramicro bubble aeration equipment and a sewage treatment system.
Background
Aeration and oxygenation are the most important links in sewage treatment, and sewage purification is realized by continuously reoxygenating sewage and degrading or converting main pollutants such as organic matters, ammonia nitrogen and the like through microbial biochemical reaction under the aerobic condition. Currently, the aeration modes used in the industry include blast aeration, mechanical aeration, jet aeration and the like. Wherein, the blast aeration needs the construction blast machine room, sets up aeration pipe network and air diffusion equipment, and the construction cycle is longer, and the installation is comparatively complicated, takes up an area of higher. More importantly, the aeration bubble size of the blast aeration is large, so that the oxygen transfer efficiency is relatively low, and a part of energy is wasted. The ultramicro bubble is generated by the ultramicro bubble generator, so that the air can be suspended in sewage by the minimum ultramicro bubble reaching the nanometer size, and when the bubble size is small to a certain degree, the ultramicro bubble generator has the characteristics that other aeration modes do not have: the bubble size is little, and specific surface is big, and adsorption performance improves, has advantages such as overlength dwell time in aqueous, and the above-mentioned characteristic of super microbubble will be favorable to getting rid of pollutant more, helps the mass transfer of oxygen to in the sewage, improves oxygen transfer efficiency. The application of the ultramicro bubble aeration equipment in sewage not only solves the purpose of supplying oxygen to the sewage, but also ensures that the mixed liquid is uniform, namely the flow state problem, and the problems of activated sludge precipitation and siltation can not occur.
The applicant has found that the prior art has at least the following technical problems: the existing ultramicro bubble aeration equipment is generally installed along the wall of a pool or suspended by a buoy. Along the mode of pond wall installation, when aeration tank cell body volume is great, the cell body central zone has aeration and stirring blind spot owing to keep away from aeration equipment, leads to mud to sink, reduces treatment effect. When the floating barrel is adopted for suspension installation, the defects of poor stability of aeration equipment and inconvenient maintenance and operation exist.
Disclosure of Invention
The invention aims to provide a feeding device of an ultramicro bubble aeration device and a sewage treatment system, which aim to solve the technical problem that sludge sedimentation is easy to cause in the installation mode of the ultramicro bubble aeration device in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a feeding device of an ultramicro bubble aeration device, which comprises a transverse support and a feeding assembly, wherein the feeding assembly is fixed on the transverse support, is connected with the ultramicro bubble aeration device and is used for feeding the ultramicro bubble aeration device to a preset position in a sewage treatment structure.
According to a preferred embodiment, the throwing assembly comprises a fixing frame and a suspension device, wherein the fixing frame is fixed on the transverse support, one end of the suspension device is connected with the fixing frame, and the other end of the suspension device is used for suspending the ultramicro-bubble aeration equipment and throwing the ultramicro-bubble aeration equipment to a preset position in a sewage treatment structure.
According to a preferred embodiment, the transverse support comprises two transverse beams arranged in parallel and a plurality of longitudinal beams connecting the two transverse beams, and two adjacent longitudinal beams are arranged at intervals.
According to a preferred embodiment, the cross beam has an "i" shaped longitudinal section; the bottom parts of the two ends of the cross beam are respectively provided with a fixing plate, and the fixing plates are provided with fixing holes so that the cross beam can be fixed to the top of a sewage treatment structure through the fixing pieces penetrating through the fixing holes.
According to a preferred embodiment, the sewage treatment system further comprises a vertical bracket fixed at the bottom of the transverse bracket perpendicular to the transverse bracket, the vertical bracket extends from the top of the sewage treatment structure to a preset position of the ultramicro bubble aeration equipment in the sewage treatment structure, and the position of the vertical bracket at the bottom of the transverse bracket corresponds to the throwing assembly.
According to a preferred embodiment, the vertical support is of a frame structure, a supporting plate for supporting the ultramicro-bubble aeration device is arranged at the bottom of the vertical support, and the supporting plate is of a grid-shaped flat plate structure.
According to a preferred embodiment, the suspension means is an inverted chain structure.
According to a preferred embodiment, a guard rail structure is provided along both sides of the length direction of the lateral bracket.
According to a preferred embodiment, a cover plate is arranged on the top of the transverse support, and the cover plate comprises a plurality of single cover plates which are sequentially overlapped in a frame formed by the transverse beams and the longitudinal beams.
The invention also provides a sewage treatment system which comprises the feeding device of the ultramicro bubble aeration equipment and a sewage treatment structure, wherein the feeding device is fixed to the top of the sewage treatment structure.
Based on the technical scheme, the feeding device of the ultramicro bubble aeration equipment and the sewage treatment system at least have the following technical effects:
the feeding device of the ultramicro-bubble aeration equipment comprises a transverse support and a feeding assembly, wherein the feeding assembly is fixed on the transverse support, and is connected with the ultramicro-bubble aeration equipment and is fed to a preset position in a sewage treatment structure. Thereby the accessible is put in the subassembly and is put in the arbitrary suitable position of sewage treatment structure with super micro bubble aeration equipment, and plays the effect, realizes the dual function of aeration oxygenation and muddy water mixture, avoids the problem of mud sediment and siltation, has improved sewage treatment efficiency. The feeding device of the ultramicro bubble aeration equipment can avoid the damage to the existing bottom aeration system and realize the reconstruction without stopping water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a feeding device of the ultramicro bubble aeration apparatus of the present invention;
FIG. 2 is a schematic view of the installation structure of the feeding device of the ultramicro bubble aeration apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a transverse bracket in the feeding device of the ultramicro bubble aeration apparatus of the present invention;
FIG. 4 is a schematic structural view of the ultra-micro bubble aeration apparatus of the present invention.
In the figure: 1-a transverse bracket; 2-cover plate; 3-a guardrail structure; 4-a fixing frame; 5-a suspension device; 6-vertical support; 7-ultramicro bubble aeration equipment; 8-a sewage treatment structure; 10-fixing the plate; 11-a cross beam; 12-a stringer; 41-upper arm; 42-lower arm; 61-a support plate; 71-a water inlet pipe; 72-a power plant; 73-a microbubble generator; 74-air inlet pipe; and 75-a water outlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The technical scheme of the invention is explained in detail in the following with the accompanying drawings of the specification.
Example 1
The embodiment provides a throwing device of ultramicro bubble aeration equipment, which comprises a transverse bracket 1 and a throwing component. Wherein, put in the subassembly and be fixed in on horizontal support 1, put in the subassembly and connect super microbubble aeration equipment 7 and put in super microbubble aeration equipment 7 to the preset position in sewage treatment structure 8. Therefore, the transverse support 1 is fixed on the sewage treatment structure 8, and the feeding assembly is connected with the ultramicro bubble aeration equipment so as to feed the ultramicro bubble aeration equipment to any proper position in the sewage treatment structure, so that the purpose that the sewage with ultramicro bubbles sprayed by the ultramicro bubble aeration equipment is oxygenated in the sewage is achieved, stirring power is provided, and the purpose that the mud and water in the whole pool are uniformly mixed is ensured. Especially when the stock project needs to be standardized or the processing capacity needs to be increased, the ultramicro bubble aeration equipment needs to be added on the basis of the original aeration system.
Preferably, the dosing assembly comprises a holder 4 and a suspension device 5. Wherein the holder 4 is fixed to the transverse bracket 1. Preferably, the fixing frame 4 is used for supporting the ultra-micro bubble aeration device 7. Preferably, the fixed frame 4 comprises an upper arm 41 and a lower arm 42, wherein the bottom of the lower arm 42 is fixed to the longitudinal beam 12 of the transverse bracket 1, and the upper arm 41 and the lower arm 42 are rotatably connected. Preferably, one end of the suspension means 5 is connected to the holder 4. Preferably, one end of the suspension 5 is connected to the upper arm 41. The other end of the suspension device 5 is used for suspending the ultramicro-bubble aeration equipment and throwing the ultramicro-bubble aeration equipment to a preset position in the sewage treatment structure 8. Preferably, the suspension means 5 is of a chain-block construction. The chain block is arranged, so that the installation, the maintenance, the operation and the maintenance are convenient. According to the preset position required to be placed, the ultramicro bubble aeration equipment is placed at the position through the placing assembly, so that the aim of spraying sewage with ultramicro bubbles into the sewage is fulfilled. The fixed frame 4 can be a lifting machine in the prior art.
Preferably, as shown in fig. 3, the transverse bracket 1 includes two transverse beams 11 arranged in parallel and a plurality of longitudinal beams 12 connecting the two transverse beams 11, and two adjacent longitudinal beams 12 are arranged at intervals to reinforce the transverse bracket 1. Preferably, as shown in fig. 1, the cross beam 11 has an i-shaped longitudinal section. Fixing plates 10 are respectively provided at the bottoms of both ends of the cross beam 11, and fixing holes are provided on the fixing plates 10 so that the cross beam 11 is fixed to the top of the sewage treatment structure 8 by fixing members passing through the fixing holes. Preferably, the fixing member is a tendon. Fix horizontal support 1 to the top of sewage treatment structure 8 through the anchor bar, can realize not stopping quick installation under the running condition of water, accomplish the transformation, avoid the destruction to original bottom aeration system.
Example 2
The embodiment 2 is further modified based on the embodiment 1. On the basis of the solution of embodiment 1, the launching device of this embodiment further includes a vertical bracket 6, as shown in fig. 1 and 2, the vertical bracket 6 is fixed on the bottom of the transverse bracket 1 perpendicular to the transverse bracket 1. The vertical support 6 extends from the top of the sewage treatment structure 8 to the preset position of the ultramicro-bubble aeration equipment 7 in the sewage treatment structure 8, and the position of the vertical support 6 at the bottom of the transverse support 1 corresponds to the feeding assembly. Through putting in the subassembly with super microbubble aeration equipment and putting in the bearing on vertical support 6, improve super microbubble aeration equipment's stability to alright place super microbubble aeration equipment in the arbitrary suitable position of sewage treatment structure as required, in order to improve sewage treatment efficiency.
Preferably, the vertical support 6 is of a frame structure, a support plate 61 is arranged at the bottom of the vertical support 6, and the support plate 61 is of a grid-shaped flat plate structure. So that the vertical support 6 is communicated up and down, the flowing of the sewage is prevented from being blocked, and meanwhile, the ultramicro bubbles can be fully contacted with the sewage for aeration.
Preferably, the guardrail structures 3 are respectively arranged at two sides of the transverse bracket 1 along the length direction. The guardrail structure 3 plays a protective role. Preferably, a cover plate 2 is arranged on the top of the transverse bracket 1, and the cover plate 2 comprises a plurality of single cover plates which are sequentially overlapped in a frame formed by the transverse beam 11 and the longitudinal beam 12 of the transverse bracket 1. The cover plate 2 is provided to provide support for the worker's operation. When the ultramicro bubble aeration equipment needs to be put on the supporting plate 61, the single cover plate opposite to the vertical support 6 is lifted, so that the suspension device suspends the ultramicro bubble aeration equipment and puts the ultramicro bubble aeration equipment on the supporting plate 61.
As shown in fig. 4, the ultra-micro bubble aeration apparatus of the present invention at least comprises a water inlet pipe 71, a power device 72, an ultra-micro bubble generator 73, an air inlet pipe 74 and a water outlet pipe 75, wherein the water inlet pipe 71 is connected with a water inlet of the power device 72, a water outlet of the power device 72 is connected with the ultra-micro bubble generator 73, the air inlet pipe 74 is arranged on the ultra-micro bubble generator 73 to introduce air or oxygen, and the mixed liquid containing ultra-micro bubbles generated by the ultra-micro bubble generator 73 is ejected and flowed out by the water outlet pipe 75. Wherein, the power device 72 is a submersible pump. The outer side of the ultramicro-bubble aeration equipment is provided with a shell, and a water inlet pipe 71, a power device 72, an ultramicro-bubble generator 73, an air inlet pipe 74 and a water outlet pipe 75 are arranged in the shell so that the ultramicro-bubble aeration equipment forms an integral structure and is put into a sewage treatment structure to play a role.
During installation, the ultramicro bubble aeration equipment is put into the sewage in the sewage treatment structure through the chain block structure and is stably placed on the supporting plate. Due to the support of the supporting plate, the ultramicro bubble aeration equipment can stably operate at a preset position in sewage and play a role. The preset position needs to be selected after calculation and simulation, so that the sewage with the ultramicro bubbles ejected by the ultramicro bubble equipment can be oxygenated, the stirring power is provided, and the uniform mixing of the mud and the water in the whole pool is ensured. Especially when the stock project needs to be upgraded or the processing capacity needs to be increased, ultramicro bubble aeration equipment needs to be added on the basis of the original aeration system. The ultramicro bubble aeration equipment is fixed on the supporting plate to operate, so that the damage to the original bottom aeration system is avoided.
The invention also provides a sewage treatment system which comprises the feeding device of the ultramicro bubble aeration equipment and a sewage treatment structure 8, wherein the feeding device is fixed to the top of the sewage treatment structure 8.
The feeding device of the ultramicro bubble aeration equipment can independently use the ultramicro bubble aeration equipment or use the ultramicro bubble aeration equipment in combination with the traditional aeration mode. When the ultramicro bubble aeration equipment is used as the only oxygenation mode, the ultramicro bubble aeration equipment can be directly placed at the bottom of the sewage treatment structure 8 by the feeding assembly or a support with a certain height is arranged at the bottom of the aeration equipment so as to ensure that the height of the pipe orifice of the water outlet pipe 75 of the ultramicro bubble aeration equipment is arranged at the designed elevation. At this time, the water outlet pipe is required to be arranged at the designed elevation position by adjusting the height of the water outlet pipe 75 of the ultra-micro bubble aeration equipment according to the calculation and simulation results. Through adjusting the height of horizontal support at the mounted position of sewage treatment structure, adjustment vertical stand backup pad to place the stable arbitrary suitable position in sewage treatment structure of super microbubble aeration equipment, avoid the destruction to current aeration systems, can realize not stopping the water transformation, realize raising mark fast or promote throughput.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a super microbubble aeration equipment's input device, its characterized in that includes horizontal support (1) and puts in the subassembly, wherein, put in the subassembly and be fixed in on the horizontal support (1), put in the subassembly and connect super microbubble aeration equipment (7) and with super microbubble aeration equipment (7) are put in to the default position in sewage treatment structure (8).
2. The apparatus for delivering an ultra micro bubble aeration device according to claim 1, wherein the delivery assembly comprises a fixing frame (4) and a suspension device (5), wherein the fixing frame (4) is fixed on the transverse support (1), one end of the suspension device (5) is connected with the fixing frame (4), and the other end of the suspension device (5) is used for suspending the ultra micro bubble aeration device (7) and delivering the ultra micro bubble aeration device to a preset position in a sewage treatment structure (8).
3. The device for throwing the ultramicro bubble aeration equipment according to claim 1, characterized in that the transverse support (1) comprises two parallel beams (11) and a plurality of longitudinal beams (12) connecting the two beams (11), and two adjacent longitudinal beams (12) are arranged at intervals.
4. The feeding device of the ultramicro-bubble aeration equipment according to claim 3, characterized in that the longitudinal section of the beam (11) is I-shaped; fixing plates (10) are respectively arranged at the bottoms of two ends of the cross beam (11), fixing holes are formed in the fixing plates (10), and fixing pieces penetrate through the fixing holes to enable the cross beam (11) to be fixed to the top of a sewage treatment structure (8).
5. The device for throwing the ultra-micro bubble aeration equipment according to claim 2, further comprising a vertical bracket (6), wherein the vertical bracket (6) is fixed at the bottom of the transverse bracket (1) perpendicular to the transverse bracket (1), the vertical bracket (6) extends from the top of the sewage treatment structure (8) to a preset position of the ultra-micro bubble aeration equipment (7) in the sewage treatment structure (8), and the position of the vertical bracket (6) at the bottom of the transverse bracket (1) corresponds to the throwing component.
6. A throwing device of an ultramicro-bubble aeration apparatus according to claim 5, characterized in that the vertical support (6) is of a frame structure, a support plate (61) for supporting the ultramicro-bubble aeration apparatus (7) is arranged at the bottom of the vertical support (6), and the support plate (61) is of a grid-shaped flat plate structure.
7. A dosing device for an ultra micro bubble aeration apparatus according to claim 6, characterized in that said suspension means (5) is of a catenary configuration.
8. A throwing device of an ultramicro bubble aeration apparatus according to claim 1, characterized in that a guardrail structure (3) is respectively arranged at both sides of the transverse bracket (1) in the length direction.
9. A throwing device of an ultramicro bubble aeration apparatus according to claim 3, characterized in that a cover plate (2) is arranged on the top of the transverse support (1), and the cover plate (2) comprises a plurality of single cover plates which are sequentially overlapped in the frame formed by the transverse beam (11) and the longitudinal beam (12).
10. A sewage treatment system, characterized by comprising a feeding device of the microbubble aeration apparatus as set forth in any one of claims 1 to 9 and a sewage treatment structure (8), wherein the feeding device is fixed to the top of the sewage treatment structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110360457.3A CN112897718A (en) | 2021-04-02 | 2021-04-02 | Feeding device of ultramicro bubble aeration equipment and sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110360457.3A CN112897718A (en) | 2021-04-02 | 2021-04-02 | Feeding device of ultramicro bubble aeration equipment and sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN112897718A true CN112897718A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110360457.3A Pending CN112897718A (en) | 2021-04-02 | 2021-04-02 | Feeding device of ultramicro bubble aeration equipment and sewage treatment system |
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| CN (1) | CN112897718A (en) |
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Application publication date: 20210604 |
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