CN216303559U - Novel compound sewage treatment system of integral type biological activity charcoal - Google Patents
Novel compound sewage treatment system of integral type biological activity charcoal Download PDFInfo
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- CN216303559U CN216303559U CN202121870211.2U CN202121870211U CN216303559U CN 216303559 U CN216303559 U CN 216303559U CN 202121870211 U CN202121870211 U CN 202121870211U CN 216303559 U CN216303559 U CN 216303559U
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- activated carbon
- reaction tank
- contact reaction
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- 239000010865 sewage Substances 0.000 title claims abstract description 52
- 150000001875 compounds Chemical class 0.000 title claims description 4
- 230000004071 biological effect Effects 0.000 title description 3
- 239000003610 charcoal Substances 0.000 title description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 114
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000001179 sorption measurement Methods 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 238000005273 aeration Methods 0.000 claims abstract description 30
- 239000000945 filler Substances 0.000 claims description 26
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 27
- 230000003647 oxidation Effects 0.000 abstract description 17
- 238000007254 oxidation reaction Methods 0.000 abstract description 17
- 239000003344 environmental pollutant Substances 0.000 abstract description 11
- 231100000719 pollutant Toxicity 0.000 abstract description 11
- 244000005700 microbiome Species 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000006065 biodegradation reaction Methods 0.000 abstract description 3
- 238000006213 oxygenation reaction Methods 0.000 abstract description 3
- 238000011069 regeneration method Methods 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000010992 reflux Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000001705 insufficient nutrition Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a novel integrated biological activated carbon composite sewage treatment system which comprises an adsorption anaerobic tank, a circulating contact reaction tank and a side ditch type mud-water separator, wherein the adsorption anaerobic tank, the circulating contact reaction tank and the side ditch type mud-water separator are sequentially connected along the water flow direction, the upper part of the adsorption anaerobic tank is communicated with a sewage pipe, the bottom of the adsorption anaerobic tank is communicated with the circulating contact reaction tank, and the circulating contact reaction tank is communicated with the bottom of the side ditch type mud-water separator. The system can implement the traditional oxidation ditch method, the conventional biological contact oxidation method and the activated carbon adsorption method to treat sewage, fully utilizes the advantages of the three processes, enables the activated carbon to exert the physical adsorption performance to adsorb pollutants in an anaerobic or aerobic state, utilizes the anaerobic microorganisms or the aerobic microorganisms attached to the activated carbon to carry out biodegradation on the pollutants, and simultaneously utilizes the oxygenation aeration to enable the biological films attached to the surfaces of the activated carbon and the plastic balls to fall off or grow, thereby realizing the self-regeneration of the activated carbon.
Description
Technical Field
The utility model relates to a sewage treatment system, in particular to a novel integrated biological activated carbon composite sewage treatment system.
Background
With the development of social economy, the national requirements on sewage treatment are increasingly strict, and particularly, the treatment of sewage with medium and low concentration is increasingly emphasized.
The concentration of pollutants in the sewage with medium and low concentrations is low, and by adopting the traditional treatment process, sludge flocs or biological membranes are difficult to culture, and the effluent effect is unstable.
The traditional oxidation ditch activated sludge method is used as a mature treatment process in the field of sewage treatment and has wide application. The traditional oxidation ditch method consists of an oxidation ditch, a sedimentation tank, a sludge reflux system and an aeration system. For low-concentration sewage, due to insufficient nutrition of microorganisms in the oxidation ditch, sludge flocs grow poorly, and the effluent quality is affected. Meanwhile, the oxygen aeration is excessive, and the energy consumption is more. Meanwhile, the energy consumption of the sludge reflux equipment needs to be increased in a matched manner.
The traditional biological contact oxidation method is used as another mature treatment process in the sewage treatment field and is widely applied. The traditional contact oxidation method is composed of a contact tank, a sedimentation tank and an aeration system, wherein the contact tank is internally provided with a filler, and the aeration system is positioned below the filler without a sludge reflux system. During aeration, because the aeration is directly carried out at the bottom of the filler, the aeration intensity is higher, strong impact is generated on a biological film on the filler, the growth of microorganisms of the biological film is not facilitated, and the aeration efficiency cannot be fully utilized.
The traditional activated carbon adsorption method is used as an advanced treatment process in the field of sewage treatment, generally utilizes the adsorption performance of activated carbon, is mainly applied to advanced sewage treatment and mainly exerts the physical adsorption performance of the activated carbon to pollutants.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel integrated biological activated carbon composite sewage treatment system. The system can implement the traditional oxidation ditch method, the conventional biological contact oxidation method and the activated carbon adsorption method to treat sewage, fully utilizes the advantages of the three processes, enables the activated carbon to exert the physical adsorption performance to adsorb pollutants in an anaerobic or aerobic state, utilizes the anaerobic microorganisms or the aerobic microorganisms attached to the activated carbon to carry out biodegradation on the pollutants, and simultaneously utilizes the oxygenation aeration to enable the biological films attached to the surfaces of the activated carbon and the plastic balls to fall off or grow, thereby realizing the self-regeneration of the activated carbon.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme: the utility model provides a novel compound sewage treatment system of integral type biological activity charcoal, includes the absorption anaerobism pond, circulation contact reaction tank and the side ditch formula mud-water separator that connect gradually along the rivers direction, adsorb anaerobism pond upper portion in the sewage pipe intercommunication, the bottom then communicates with circulation contact reaction tank, circulation contact reaction tank and side ditch formula mud-water separator communicate in the bottom.
The middle part of the adsorption anaerobic tank is provided with an anaerobic activated carbon filler area, and the periphery of the anaerobic activated carbon filler area is connected with the tank wall.
And the middle part of the circulating contact reaction tank is provided with a composite filler area, and the interior of the circulating contact reaction tank is filled with a biological activated carbon composite filler. As an embodiment of the utility model, the biological activated carbon composite filler is formed by wrapping activated carbon particles with hollow shells.
In the utility model, in order to make the structure and layout more compact and save space, the adsorption anaerobic tank and the circulating contact reaction tank are connected through a common wall, the lower part of the common wall is provided with water through holes, and the adsorption anaerobic tank and the circulating contact reaction tank are communicated through the water through holes at the lower part of the common wall; the circular contact reaction tank is connected with the side ditch type mud-water separator through a common wall, the lower part of the common wall is provided with water through holes, and the circular contact reaction tank and the side ditch type mud-water separator are communicated through the water through holes at the lower part of the common wall.
At least one guide wall is arranged in the circulating contact reaction tank, is distributed along the water flow direction and is parallel to the common wall; the bottom of the diversion wall is fixed at the bottom of the tank, and two sides of the diversion wall are spaced from two side walls of the circulating contact reaction tank extending along the water flow direction; the composite filler area penetrates through the guide wall.
A surface aeration system is arranged in the circular contact reaction tank and consists of at least two surface aeration devices; the at least two surface aeration devices are arranged along two side walls of the circulating contact reaction tank extending along the water flow direction.
The upper part of the side ditch type mud-water separator is provided with a water outlet, the inside of the side ditch type mud-water separator is provided with a flow guide device at a position close to the bottom of the pool, and the flow speed of mud water entering from the bottom is reduced by the flow guide device, so that the mud water has enough time for sedimentation separation.
As an embodiment of the utility model, the flow guide device is formed by arranging a plurality of L-shaped baffles side by side, wherein the short sides of the L-shaped baffles face downwards, and the long sides of the L-shaped baffles face upwards. The included angle between the short side and the long side of the L-shaped baffle plate is an obtuse angle.
Furthermore, an effluent weir is arranged on the upper part of the side channel type mud-water separator along the inner wall, and the water outlet is communicated with the effluent weir.
The utility model also comprises a water inlet device which comprises a water inlet main pipe and two water inlet branch pipes connected with the water inlet main pipe, wherein one water inlet branch pipe is connected with the adsorption anaerobic tank, and the other water inlet branch pipe is connected with the circulating contact reaction tank. When the carbon source of the inlet water is sufficient, the sewage enters the adsorption anaerobic tank through one branch water inlet pipe; when the carbon source of the inlet water is insufficient, the sewage flows through the two branch pipes for flow distribution and respectively enters the adsorption anaerobic tank and the circulating contact reaction tank, so that the carbon source required by denitrification is ensured, and the denitrification efficiency of the system is improved.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the integrated biological activated carbon composite sewage treatment system provided by the utility model combines the traditional oxidation ditch method, the conventional biological contact oxidation method and the activated carbon adsorption method for substantial improvement, fully utilizes the advantages of the three processes, cancels a sludge reflux system in the traditional oxidation ditch method, and changes the direct bottom aeration mode of the traditional contact oxidation method into the lateral aeration circular oxygenation mode.
(2) The utility model adopts an integrated design, has compact and economical layout and simple system composition, has synchronous denitrification and dephosphorization functions when sewage passes through the adsorption anaerobic tank, the circulating contact tank and the side ditch type mud-water separation tank, effectively removes medium and low concentration pollutants in the sewage, occupies small area and is simple to operate and maintain.
(3) According to the adsorption anaerobic tank and the circulating contact tank, the novel biological activated carbon composite filler is filled, so that the activated carbon can not only exert the physical adsorption performance to adsorb pollutants in an anaerobic or aerobic state, but also utilize the anaerobic microorganisms or the aerobic microorganisms attached to the pollutants to carry out anaerobic or aerobic biodegradation on the pollutants. Meanwhile, the oxygenated aeration is utilized to lead the biological films attached to the surfaces of the activated carbon and the plastic balls to fall off or grow, thus realizing the self-regeneration of the activated carbon. Through the combination of the sewage circulating flow state and the contact flow state, the culture and the generation of microorganisms on the surface of the activated carbon are facilitated, the problem that the sludge is difficult to culture when the traditional sewage treatment process faces low-concentration sewage is solved, a sludge backflow system is not needed, and the investment and the operation cost of the sludge backflow system are saved.
(4) The circular contact tank of the utility model utilizes the surface aeration system to promote the sewage to circularly flow in the tank on one hand and carry out oxygen supply aeration on the sewage on the other hand. The sewage after aeration forms lateral circulation oxygenated water flow in the contact filler area, the violent impact of the lower aeration of the traditional contact oxidation method on a filler biomembrane is avoided, the mixed liquid from the adsorption anaerobic tank repeatedly and slowly flows through the novel biological activated carbon composite filler, the growth environment is quiet and good, the growth of microorganisms on the surface of the biological activated carbon is particularly facilitated, the problem that the biomembrane is easy to fall off when the traditional contact oxidation method is used for treating low-concentration sewage is solved, the advantages of a sludge backflow system are not needed in the contact oxidation method, and the energy consumption of direct aeration is saved.
Drawings
FIG. 1 is a flow chart of the operation of the integrated biological activated carbon composite sewage treatment system according to the embodiment of the utility model;
FIG. 2 is a schematic plan view of an integrated biological activated carbon composite sewage treatment system according to an embodiment of the present invention;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view C-C of FIG. 2;
fig. 6 is a schematic view of the biological activated carbon composite filler according to the embodiment of the utility model.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that the embodiment described below is only one embodiment of the present invention, and not all embodiments. Based on the embodiments of the present invention, those skilled in the art can make any changes and modifications to the technical solution of the present invention without creative efforts, and the technical solution belongs to the protection scope of the present invention.
The integrated biological activated carbon composite sewage treatment system as shown in fig. 2 to 5 is one embodiment of the present invention. The device comprises an adsorption anaerobic tank 1, a circulating contact reaction tank 2 and a side ditch type mud-water separator 3 which are sequentially connected along the water flow direction. The adsorption anaerobic tank and the cyclic contact reaction tank are connected through a common wall, namely one side of the main body of the adsorption anaerobic tank 1 is connected with one side of the main body of the cyclic contact reaction tank 2 through a common wall 4, and the lower part of the common wall 4 is provided with a water through hole 5, so that the adsorption anaerobic tank 1 is communicated with the cyclic contact reaction tank 2. One side of the main body of the circular contact reaction tank 2 is connected with one side of the main body of the side ditch type mud-water separator 3 through a common wall 13, and the lower part of the common wall 13 is provided with a water through hole 14 so that the circular contact reaction tank 2 and the side ditch type mud-water separator 3 are communicated with each other.
The middle part of the adsorption anaerobic tank 1 is provided with an anaerobic activated carbon filling area 6, the periphery of the anaerobic activated carbon filling area 6 is connected with the tank wall, and activated carbon is filled in the anaerobic activated carbon filling area.
The middle part of the circular contact reaction tank 2 is provided with a composite filler area 9, and the interior of the circular contact reaction tank is filled with a biological activated carbon composite filler 10. As shown in fig. 6, the biological activated carbon composite filler 10 is formed by wrapping biological activated carbon particles 12 with a hollow shell 11.
A guide wall 8 is arranged in the circular contact reaction tank 2 and is parallel to the common walls 4 and 13. The bottom of the guide wall 8 is fixed at the bottom of the tank, and the two sides of the guide wall are spaced from the two side walls of the circulating contact reaction tank 2 extending along the water flow direction to be used as flowing water flowing space, so that sewage in the circulating contact reaction tank 2 can circularly flow. The composite filler region 9 penetrates the guide wall 8. The circular contact reaction tank 2 is also internally provided with a surface aeration system which aerates the sewage and pushes the sewage to circulate. The surface aeration system is composed of two surface aeration devices 7. The two surface aeration devices 7 are respectively positioned in the space between the guide wall 8 and the two side walls of the circular contact reaction tank 2 extending along the water flow direction.
The upper part of the side ditch type mud-water separator 3 is provided with a water outlet which is used for being connected with a water outlet main pipe 22. And the upper part of the inner wall of the tank in three directions except the common wall 13 is provided with an effluent weir 16, and the water outlet is arranged at the corresponding height of the effluent weir 16 and is communicated with the effluent weir 16.
The diversion device 15 is arranged at the position close to the bottom of the tank in the side ditch type mud-water separator 3, and the flow speed of mud water entering from the bottom is reduced by the diversion device 15, so that the mud water has enough time for sedimentation and separation.
The flow guiding device 15 is formed by arranging a plurality of L-shaped baffle plates side by side, wherein the short sides of the L-shaped baffle plates face downwards and have a distance with the bottom of the tank, and the long sides face upwards. The included angle between the short side and the long side of the L-shaped baffle plate is an obtuse angle.
The embodiment further comprises a water inlet device which comprises a water inlet main pipe 17 and two water inlet branch pipes connected with the water inlet main pipe 17. A valve 21 is arranged on one branch water inlet pipe 20 and is connected with the adsorption anaerobic tank 1; the other branch pipe 18 is provided with a valve 19 and is connected with the circular contact reaction tank 2. When the carbon source of the inlet water is sufficient, the sewage enters the adsorption anaerobic tank through the water inlet branch pipe 20; when the carbon source of the inlet water is insufficient, the sewage flows through the two branch pipes for flow distribution and respectively enters the adsorption anaerobic tank and the circulating contact reaction tank, so that the carbon source required by denitrification is ensured, and the denitrification efficiency of the system is improved.
The working principle of the utility model is as follows: as shown in figure 1, the sewage with medium and low concentration can be treated anaerobically by a multi-point water inlet mode through an adsorption anaerobic tank 1, and then enters a circulating contact tank 2, and pollutants in the sewage are removed under the conditions that a surface aeration device 7 is used for oxygenizing and aerating, mud-water mixed liquid is pushed to flow circularly and the sewage is slowly contacted with a novel biological activated carbon composite filler 10. Then, the supernatant enters the side ditch type mud-water separation tank 3 for mud-water separation, and the supernatant of the side ditch type mud-water separation tank 3 is discharged through a water outlet weir.
The plan layout form of the present invention is not limited to the plan layout schematic view shown in fig. 2, the surface aeration apparatus 7 is not limited to any form, the side-trench-type muddy water separation tank 3 is not limited to any form, nor is the side-trench-type muddy water separation tank 3 limited to being co-constructed with other structures.
Claims (10)
1. The utility model provides a novel compound sewage treatment system of integral type biological activated carbon, characterized by includes the absorption anaerobism pond, circulation contact reaction tank and the side ditch formula mud-water separator that connect gradually along the rivers direction, absorb anaerobism pond upper portion in the sewage pipe intercommunication, the bottom then communicates with circulation contact reaction tank, circulation contact reaction tank and side ditch formula mud-water separator communicate in the bottom.
2. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 1, wherein an anaerobic activated carbon filler region is arranged in the middle of the adsorption anaerobic tank, and the periphery of the anaerobic activated carbon filler region is connected with the tank wall.
3. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 1, wherein a composite filler area is arranged in the middle of the circulating contact reaction tank, and biological activated carbon composite fillers are filled in the composite filler area.
4. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 3, wherein the adsorption anaerobic tank and the cyclic contact reaction tank are connected through a common wall, and water through holes are formed in the lower part of the common wall and are communicated through the water through holes in the lower part of the common wall; the circulating contact reaction tank is connected with the side ditch type mud-water separator through a common wall, the lower part of the common wall is provided with water through holes, and the circulating contact reaction tank and the side ditch type mud-water separator are communicated through the water through holes at the lower part of the common wall.
5. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 4, wherein at least one guide wall is arranged in the circulating contact reaction tank, distributed along the water flow direction and parallel to the common wall; the bottom of the diversion wall is fixed at the bottom of the tank, and two sides of the diversion wall are spaced from two side walls of the circulating contact reaction tank extending along the water flow direction; the composite filler area penetrates through the guide wall.
6. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 1, wherein a surface aeration system is arranged in the circulating contact reaction tank and is composed of at least two surface aeration devices; the at least two surface aeration devices are arranged along two side walls of the circulating contact reaction tank extending along the water flow direction.
7. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 1, wherein the side ditch type sludge-water separator is provided with a water outlet at the upper part and a flow guide device at the position close to the bottom of the tank inside.
8. The system of claim 7, wherein the diversion device comprises a plurality of L-shaped baffles arranged side by side, wherein the short sides of the L-shaped baffles face downwards, and the long sides of the L-shaped baffles face upwards.
9. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 7 or 8, wherein the upper part of the side-channel type mud-water separator is provided with an effluent weir along the inner wall, and the water outlet is communicated with the effluent weir.
10. The novel integrated biological activated carbon composite sewage treatment system as claimed in claim 1, further comprising a water inlet device, which comprises a water inlet main pipe and two water inlet branch pipes connected with the water inlet main pipe, wherein one water inlet branch pipe is connected with the adsorption anaerobic tank, and the other water inlet branch pipe is connected with the circulating contact reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870211.2U CN216303559U (en) | 2021-08-11 | 2021-08-11 | Novel compound sewage treatment system of integral type biological activity charcoal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870211.2U CN216303559U (en) | 2021-08-11 | 2021-08-11 | Novel compound sewage treatment system of integral type biological activity charcoal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216303559U true CN216303559U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121870211.2U Expired - Fee Related CN216303559U (en) | 2021-08-11 | 2021-08-11 | Novel compound sewage treatment system of integral type biological activity charcoal |
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| Country | Link |
|---|---|
| CN (1) | CN216303559U (en) |
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2021
- 2021-08-11 CN CN202121870211.2U patent/CN216303559U/en not_active Expired - Fee Related
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