CN214457144U - Construction structures in syllogic AAO biological reaction pond - Google Patents
Construction structures in syllogic AAO biological reaction pond Download PDFInfo
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- CN214457144U CN214457144U CN202022987133.6U CN202022987133U CN214457144U CN 214457144 U CN214457144 U CN 214457144U CN 202022987133 U CN202022987133 U CN 202022987133U CN 214457144 U CN214457144 U CN 214457144U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000000746 purification Methods 0.000 claims abstract description 54
- 210000005056 cell body Anatomy 0.000 claims abstract description 30
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 9
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
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- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 241000192710 Microcystis aeruginosa Species 0.000 description 1
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Abstract
The utility model relates to a construction structure of a reaction tank, in particular to a construction structure of a three-section AAO biological reaction tank, which comprises a tank body, a top plate arranged at the top of the tank body and a cover plate arranged on the top plate; the cell body is enclosed to close by a plurality of outer pond walls and forms, be equipped with a plurality of interior pond walls, a plurality of mid-walls and a plurality of water conservancy diversion module in the cell body, it is a plurality of solitary purification tanks, every are separated into with the cell body to interior pond wall along the length direction setting of cell body set up a plurality of mid-walls in the purification tank, and a plurality of mid-walls in every purification tank set up and separate into a plurality of purification unit along the width direction of cell body, a plurality of purification unit in the purification tank are anaerobism pond, oxygen deficiency pond, good oxygen pond, oxygen deficiency pond and good oxygen pond from the right side to a left side along cell body width direction in proper order, every the bottom of mid-wall all is equipped with the bottom water hole of the adjacent purification unit of intercommunication. The biological reaction tank has the advantages of high structural space utilization rate, smooth water flow and high treatment efficiency.
Description
Technical Field
The utility model relates to a biological reaction pond construction structures, concretely relates to syllogic AAO biological reaction pond's construction structures.
Background
In recent years, water pollution phenomena represented by red tide and water bloom frequently appear in China, the concern of people on water quality safety is aggravated due to the fact that the problem of water eutrophication is gradually increased, and the sewage treatment process gradually becomes a research focus under the background and draws wide attention of domestic researchers. In the sewage treatment engineering, a biological reaction tank is used as a core treatment unit, the adopted nitrogen and phosphorus removal activated sludge method has important significance for eliminating organic pollution of water quality, and in order to further improve the sewage treatment efficiency of the biological reaction tank and reduce the operation cost, many structural engineers try to start from the civil engineering perspective and enable the structure of a tank body to be better adapted to a sewage treatment process by optimizing the structural layout and the construction process of the biological reaction tank, so that the sewage treatment quality is improved.
However, the conventional biological reaction tank has the following disadvantages: the device has the advantages of large floor area, simple internal arrangement, single sewage treatment operation condition, small capacity, incapability of meeting the water demand of surrounding residents due to the possessed sewage treatment capacity and the like. In addition, most reaction ponds still use the rectangle guide wall as only water body to lead and control the component, and guide wall overall arrangement is imperfect in addition, even if there is the configuration underwater propulsor, still can cause the velocity of flow distribution of pond water inhomogeneous, the whole velocity of flow is lower, causes sludge sedimentation then, influences the treatment effect, increases the energy consumption, consequently, the construction structure of biological reaction pond in the past has more limitations.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a syllogic AAO biological reaction pond's construction structures, this biological reaction pond structure take up an area of compactness, space utilization is high, rivers are unobstructed and the treatment effeciency is high.
The utility model provides a technical scheme that its technical problem adopted is:
a construction structure of a three-section AAO biological reaction tank comprises a tank body, a top plate arranged at the top of the tank body and a cover plate arranged on the top plate;
the cell body is formed by enclosing a plurality of outer cell walls, a plurality of inner cell walls, a plurality of intermediate walls and a plurality of flow guide modules are arranged in the cell body, the plurality of transverse inner cell walls are arranged along the length direction of the cell body and vertically divide the cell body into a plurality of independent purification cells, a plurality of intermediate walls are arranged in each purification cell, the plurality of vertical intermediate walls in each purification cell are arranged along the width direction of the cell body and divide the purification cell into a plurality of purification units, the plurality of purification units in each purification cell are sequentially an anaerobic cell, an anoxic cell, an aerobic cell, an anoxic cell and an aerobic cell along the width direction of the cell body, the bottom of each intermediate wall is provided with a bottom water passing hole communicated with the adjacent purification units, each anoxic cell is internally provided with a flow guide module, the outer cell wall of the cell body close to the anaerobic cell is provided with a plurality of water inlets, and the plurality of water inlets are respectively in one-to-one correspondence with the plurality of purification cells, the outer tank wall of the tank body far away from the anaerobic tank is provided with a plurality of water outlets, and the plurality of water outlets are in one-to-one correspondence with the plurality of purification tanks respectively.
Wherein, the bottom water holes of two adjacent mid-partitions in same purifying pond are crossed the setting and are located the double-phase offside that is close to the purifying pond.
Wherein, the upper portion that is located the mid-board between adjacent oxygen deficiency pond and the good oxygen pond is equipped with the upper portion and crosses the water hole, and a plurality of upper portions in same purifying pond are crossed the water hole and are located the same one side of purifying pond.
The diversion module comprises a vertical diversion wall arranged in the middle of the anoxic tank and two arc-shaped special diversion walls positioned on two sides of the length direction of the vertical diversion wall, the length direction of the vertical diversion wall is arranged along the length direction of the tank body, the arc center of the arc-shaped special diversion wall is positioned on one side close to the vertical diversion wall, and a channel for water flow to pass through is arranged between the vertical diversion wall and the arc-shaped special diversion wall.
Wherein, the upper portion in the cell body has laid and has hung the canal channel, just hang the canal channel and be located the below of water inlet with cell body outer wall connection.
Wherein, outer pool wall, mid-board, water conservancy diversion module, string canal channel, roof all are provided with the movement joint, be equipped with waterproof construction in the movement joint.
The pool body further comprises a cushion layer at the bottom of the pool body and a bottom plate arranged on the cushion layer, and the outer pool wall is fixedly arranged on the bottom plate.
The tank is characterized in that a plurality of frame columns are arranged in the tank at intervals, and frame beams used for supporting the top plate are arranged on the frame columns.
The top plate is provided with a plurality of mounting holes for mounting equipment or overhauling equipment.
The utility model has the advantages that:
the utility model discloses a reaction tank, when adopting this reaction tank to handle waste water, waste water flows in each purification tank respectively by the water inlet on the outer pond wall, then the bottom of crossing on the mid-board water hole makes waste water flow through the oxygen deficiency pond from the anaerobism pond in proper order, good oxygen pond, the oxygen deficiency pond, good oxygen pond, oxygen deficiency pond and good oxygen pond carry out purification treatment, water after the purification flows from the delivery port, flow path through setting up the water conservancy diversion module and prolonging the waste water that flows in the oxygen deficiency pond, make waste water carry out the abundant reaction in the oxygen deficiency pond, be favorable to improving the purifying effect of waste water. The utility model discloses a pool wall separates into a plurality of independent purifying ponds with the cell body in the cell body sets up, and a plurality of purifying ponds can purify waste water respectively, have not only improved purification efficiency, and this reaction tank takes up an area of compactness, space utilization height.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic plan view of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a side view of an embodiment of the invention;
fig. 4 is an enlarged view of a portion B in fig. 3.
Description of reference numerals: 1. a tank body; 11. an outer tank wall; 111. a water inlet; 112. a water outlet; 12. a cushion layer; 13. a base plate; 2. a top plate; 3. a cover plate; 4. a frame column; 5. a frame beam; 51. a main beam; 6. an inner tank wall; 7. an intermediate wall; 71. a bottom water passing hole; 72. an upper water through hole; 8. a flow guide module; 81. a vertical guide wall; 82. an arc-shaped special-shaped guide wall; 9. a purification tank; 101. an anaerobic tank; 102. an anoxic tank; 103. an aerobic tank; 20. hanging a channel; 201. a channel floor; 202. channel wall plates; 203. a water distribution hole; 30. and (4) deforming the joints.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
Referring to fig. 1-4, a construction structure of a three-section AAO biological reaction tank, the reaction tank is a semi-underground reinforced concrete frame shear structure, and the reaction tank includes a tank body 1, a top plate 2 arranged on the top of the tank body 1, and a cover plate 3 arranged on the top plate 2. The tank body 1 is a rectangular tank formed by enclosing four outer tank walls 11, the tank body 1 further comprises a cushion layer 12 positioned at the bottom of the tank body 1 and a bottom plate 13 arranged on the cushion layer 12, and the outer tank walls 11 are poured around the bottom plate 13. A plurality of frame columns 4 are arranged on a bottom plate 13 in the pool body 1 at intervals, and frame beams 5 used for supporting the top plate 2 are arranged on the frame columns 4.
The bed course 12 adopts C15 plain concrete, the thickness of bed course 12 is 100mm, the bed course 12 is "mesh" type structure, the elevation of the interior bed course 12 of three "mouth" type positions about the upper and middle of bed course 12 is higher than the elevation of other positions bed course 12. The bottom plate 13 is poured on the cushion layer 12, the thickness of the bottom plate 13 paved on the high-elevation cushion layer 12 is 800mm, and the thickness of the bottom plate 13 paved on the low-elevation cushion layer 12 is 1200 mm.
Two inner tank walls 6, a plurality of intermediate walls 7 and a plurality of flow guide modules 8 are poured in the tank body 1, the two transverse inner tank walls 6 are arranged along the length direction of the tank body 1 and divide the tank body 1 into three separate purification tanks 9, six vertical intermediate walls 7 are arranged in each purification tank 9, the six intermediate walls 7 in each purification tank 9 are arranged along the width direction of the tank body 1 and divide the purification tank 9 into seven purification units, the seven purification units in each purification tank 9 are sequentially arranged into an anaerobic tank 101, an anoxic tank 102, an aerobic tank 103, an anoxic tank 102 and an aerobic tank 103 along the width direction of the tank body 1, a bottom water passing hole 71 communicated with adjacent purification units is arranged at the bottom of each intermediate wall 7, a flow guide module 8 is arranged in each anoxic tank 102, a plurality of water inlets 111 are arranged on the outer tank wall 11 of the tank body 1 close to the anaerobic tank 101, the plurality of water inlets 111 correspond to the three purification tanks 9 one by one, three water outlets 112 are formed in the outer tank wall 11, far away from the anaerobic tank 101, of the tank body 1, and the three water outlets 112 correspond to the three purification tanks 9 one by one.
The utility model discloses a set up the reaction tank of above-mentioned structure, when adopting this reaction tank to handle waste water, waste water flows in each purification tank 9 respectively by water inlet 111 on the outer pond wall 11, then it makes waste water flow through oxygen deficiency pond 102 from anaerobism pond 101 in proper order through the bottom water hole 71 on the mid-board 7, good oxygen pond 103, oxygen deficiency pond 102 and good oxygen pond 103 carry out purification treatment, water after the purification flows out from delivery port 112, the flow path of waste water in the oxygen deficiency pond 102 is prolonged to flow in through setting up water conservancy diversion module 8 in oxygen deficiency pond 102, make waste water carry out abundant reaction in oxygen deficiency pond 102, be favorable to improving the purifying effect of waste water. The utility model discloses a pool wall 6 separates into a plurality of independent purifying ponds 9 with cell body 1 in setting up of cell body 1, and a plurality of purifying ponds 9 can purify waste water respectively, have not only improved purification efficiency, and this reaction tank takes up an area of compactness, space utilization height.
The utility model discloses a pool wall 6 and middle partition wall 7 come to carry out the orderly partition to biological reaction pond inside in setting up, make the reaction pond inside divided into three purifying tank 9, and each purifying tank 9 independent operation can handle the sewage in the reaction pond simultaneously, and this biological reaction pond is about 11m deeply, and the design depth of water is about 10m, and cell body 1 is capacious, and sewage treatment capacity is showing and is promoting. Each purification tank 9 is divided into 7 purification units, and the purification units are tightly connected with the upper water passing holes 72 through the bottom water passing holes 71, so that the layout is compact, the space utilization rate is high, and the structural guarantee is provided for implementing the sewage treatment process of the AAO method.
Wherein, the bottom of two adjacent mid-partitions 7 in same purifying pond 9 crosses the water hole dislocation set and is located the double-phase offside that is close to purifying pond 9, and then makes the rivers flowpath in purifying pond 9 be "S" type, has prolonged the flowpath of waste water in purifying pond 9, is favorable to waste water to carry out abundant purification in purifying pond 9, improves waste water purifying effect.
Wherein, because be provided with water conservancy diversion module 8 in the oxygen deficiency pond 102, the water in the oxygen deficiency pond 102 receives the effect that blocks of water conservancy diversion module 8 to lead to flowing out the water velocity of oxygen deficiency pond 102 to be less than the water velocity that flows into in the oxygen deficiency pond 102, for the phenomenon that avoids the interior water level of oxygen deficiency pond 102 to be too high or the refluence appears, the upper portion that is located the mid-board 7 between adjacent oxygen deficiency pond 102 and the aerobic tank 103 is equipped with upper portion and crosses water hole 72, it is provided with upper portion and crosses water hole 72 to have three mid-board 7 in every purification tank 9 equivalently, three upper portion in same purification tank 9 is crossed water hole 72 and is located same one side of purification tank 9. The upper water through hole 72 is arranged so that the water level in the anoxic tank 102 can flow into the adjacent aerobic tank 103 from the upper water through hole 72 when the water level rises to the position of the upper water through hole 72.
The diversion module 8 comprises a vertical diversion wall 81 arranged in the middle of the anoxic tank 102 and two arc-shaped special diversion walls 82 positioned on two sides of the length direction of the vertical diversion wall 81, the length direction of the vertical diversion wall 81 is arranged along the length direction of the tank body 1, the arc center of the arc-shaped special diversion wall 82 is positioned on one side close to the vertical diversion wall, and a channel for water flow to pass through is arranged between the vertical diversion wall and the arc-shaped special diversion walls 82.
Compare the form of arranging of guiding wall in traditional AAO biological reaction pond, the utility model discloses arranged the reinforced concrete water conservancy diversion module 8 structure of constituteing by twice arcuation dysmorphism guiding wall 82 and the vertical guiding wall 81 that sets up in the middle of twice arcuation dysmorphism guiding wall 82 in 1 anoxic zone of cell body, wherein the velocity of flow in the pond district can be made to the setting up of twice arcuation dysmorphism guiding wall 82 and better equipartition has not only been strengthened the accuse effect to rivers, can also slow down the dynamic water pressure that the wall body received, the circulation of sewage has been promoted on the whole, the siltation of mud and the return water of bend exit have effectively been prevented.
Specifically, the outer tank wall 11, the inner tank wall 6, the intermediate wall 7 and the flow guide module 8 are shear walls.
Wherein, the upper portion in the cell body 1 has laid the canal hanging channel 20, just the canal hanging channel 20 is connected with cell body 1 outer wall and is located the below of water inlet 111. By arranging the hanging channel 20, the waste water flows into the hanging channel 20 from the water inlet 111, and then flows into each purification tank 9 through the hanging channel 20. Specifically, the hanging channel 20 is horizontally arranged based on the outer tank wall 11, the inner tank wall 6, the intermediate wall 7, and the plurality of frame columns 4. The channel-hanging channel 20 comprises a channel bottom plate 201 and channel wall plates 202 arranged on two opposite sides of the channel bottom plate 201. The channel wall plate 202 is provided with a plurality of water distribution holes 203 at positions close to the water inlet 111, and the wastewater flows into the hanging channel 20 through the water inlet 111 and the water distribution holes 203.
Wherein, outer pool wall 11, mid-board 7, water conservancy diversion module 8, string canal channel 20, roof 2 all are provided with vertical movement joint 30, vertical movement joint 30's width is 30mm, be equipped with waterproof construction in the movement joint 30. Specifically, the vertical deformation joint 30 of the outer tank wall 11, the vertical deformation joint 30 of the intermediate wall 7, the vertical deformation joint 30 of the diversion module 8, the vertical deformation joint 30 of the channel-hanging channel 20, and the vertical deformation joint 30 of the top plate 2 are all located on the same vertical plane. The waterproof structures arranged in the vertical deformation joint 30 of the outer pool wall 11, the vertical deformation joint 30 of the intermediate wall 7, the vertical deformation joint 30 of the flow guide module 8, the vertical deformation joint 30 of the channel-hanging channel 20 and the vertical deformation joint 30 of the top plate 2 are the same.
Waterproof construction is including locating the rubber waterstop in the middle of movement joint 30, the both ends of rubber waterstop are buried underground in the wall body of movement joint 30 both sides, movement joint 30 is close to surface of a water one side from interior to exterior and has filled in proper order and have two ingredient polysulfide sealed glues that polyethylene foam plastic board and 30mm are thick, movement joint 30 is close to upstream surface one side from interior to exterior and has filled in proper order and have two rubber stagnant water stick and the two ingredient polysulfide sealed glues that 30mm are thick that polyethylene foam plastic board, level were arranged, it has two ingredient epoxy adhesives to fill between rubber stagnant water stick and the movement joint 30 seam wall, is used for with the firm pasting of stagnant water stick in movement joint 30.
Wherein, a continuous reinforcing belt is arranged at the position of the tank body 1 above the cushion layer 12. In order to promote hydraulic structure's impact load resistance and waterproof performance, on the one hand, the utility model discloses chooseed for use cast-in-place formula reinforced concrete frame and cut the structure main part of structure as the biological reaction pond, not only guaranteed cell body 1's wholeness and durability, all wall bodies in the cell body 1 can also effectively resist the produced horizontal force of earthquake as reinforced concrete shear force wall, provide better anti-seismic performance for the structure. On the other hand, the utility model discloses through setting up vertical movement joint 30 and continuous type strengthening band, wherein vertical movement joint 30 has more add the triple waterproof construction of two ingredient polysulfide sealant, rubber stagnant water stick and rubber stagnant water area on one side of the upstream face, has effectively prevented the infiltration of pond internal waste water.
Wherein the frame beam 5 comprises a main beam 51 arranged on the frame column 4 and a secondary beam arranged on the main beam 51.
The top plate 2 is provided with a plurality of mounting holes for mounting equipment or overhauling equipment, and the cover plate 3 covers the mounting holes.
The upper surface of the bottom plate 13, the inner wall surface of the outer tank wall 11, the two side surfaces of the inner tank wall 6, the middle partition wall 7, the vertical guide wall and the arc-shaped special-shaped guide wall 82, the inner surface and the outer surface of the canal hanging channel 20 and the lower surface of the top plate 2 are coated with three layers of high-molecular polymer anticorrosive waterproof coatings to form a waterproof coating with the thickness of 0.1mm, and the part of the outer wall surface of the outer tank wall 11, which is in contact with soil, is sequentially coated with cold bottom oil and hot asphalt.
The cover plate 3 is a deodorizing glass fiber reinforced plastic grid cover plate 3, the glass fiber reinforced plastic cover plate 3 is formed by combining a glass fiber grid and a glass fiber plate and is a sizing deodorizing finished product produced by a factory, wherein the deodorizing glass fiber reinforced plastic grid cover plate 3 is made of stainless steel SS304, the size of the grid is 51 multiplied by 50mm, the material characteristics and the inspection requirements of the cover plate 3 meet the relevant regulations of glass fiber reinforced thermosetting resin bearing type grid, and the glass fiber yarns and the body material of the cover plate 3 meet the regulations of GB/T18369 plus 2001 and the current national and industrial standards.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a construction structures in syllogic AAO biological reaction pond which characterized in that: comprises a tank body, a top plate arranged at the top of the tank body and a cover plate arranged on the top plate;
the pool body is formed by enclosing a plurality of outer pool walls, a plurality of inner pool walls, a plurality of middle partition walls and a plurality of flow guide modules are arranged in the pool body, the inner pool walls are arranged along the length direction of the pool body and divide the pool body into a plurality of independent purification pools, each purification pool is internally provided with a plurality of middle partition walls, the plurality of middle partition walls in each purification pool are arranged along the width direction of the pool body and divide the purification pool into a plurality of purification units, the plurality of purification units in each purification pool are sequentially an anaerobic pool, an anoxic pool, an aerobic pool and an aerobic pool along the width direction of the pool body, the bottom of each middle partition wall is provided with a bottom water passing hole communicated with the adjacent purification units, each anoxic pool is internally provided with a flow guide module, the outer pool walls of the pool body close to the anaerobic pool are provided with a plurality of water inlets, and the plurality of water inlets are respectively in one-to-one correspondence with the plurality of purification pools, the outer tank wall of the tank body far away from the anaerobic tank is provided with a plurality of water outlets, and the plurality of water outlets correspond to the plurality of purification tanks.
2. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: the bottom water holes of two adjacent intermediate walls in the same purifying pool are arranged in a staggered manner and are positioned on two opposite sides close to the purifying pool.
3. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: the upper part of the intermediate wall between the adjacent anoxic pond and the aerobic pond is provided with an upper water through hole, and a plurality of upper water through holes in the same purifying pond are positioned on the same side of the purifying pond.
4. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: the diversion module is including locating the vertical guide wall in oxygen deficiency pond middle part and being located two arcuation dysmorphism guide walls of vertical guide wall length direction both sides, the length direction of vertical guide wall sets up along the length direction of cell body, the arc center of arcuation dysmorphism guide wall is located the one side that is close to vertical guide wall, the passageway that supplies rivers to pass through has between vertical guide wall and the arcuation dysmorphism guide wall.
5. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: the upper portion in the cell body has laid and has hung the canal channel, just hang the canal channel and be located the below of water inlet with cell body outer wall connection.
6. The construction structure of a three-stage AAO biological reaction tank of claim 5, wherein: outer pool wall, mid-board, water conservancy diversion module, string canal channel, roof all are provided with the movement joint, be equipped with waterproof construction in the movement joint.
7. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: the cell body still includes the bed course of cell body bottom and locates the bottom plate on the bed course, outer pond wall is fixed to be located on the bottom plate.
8. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: a plurality of frame columns are arranged in the pool body at intervals, and frame beams used for supporting the top plate are arranged on the frame columns.
9. The construction structure of a three-stage AAO biological reaction tank of claim 1, wherein: and a plurality of mounting holes for mounting equipment or overhauling equipment are formed in the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022987133.6U CN214457144U (en) | 2020-12-11 | 2020-12-11 | Construction structures in syllogic AAO biological reaction pond |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022987133.6U CN214457144U (en) | 2020-12-11 | 2020-12-11 | Construction structures in syllogic AAO biological reaction pond |
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| Publication Number | Publication Date |
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| CN214457144U true CN214457144U (en) | 2021-10-22 |
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| CN202022987133.6U Active CN214457144U (en) | 2020-12-11 | 2020-12-11 | Construction structures in syllogic AAO biological reaction pond |
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