CN215440075U - Integrated vertical sewage treatment device based on IFAS process - Google Patents
Integrated vertical sewage treatment device based on IFAS process Download PDFInfo
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- CN215440075U CN215440075U CN202120068500.4U CN202120068500U CN215440075U CN 215440075 U CN215440075 U CN 215440075U CN 202120068500 U CN202120068500 U CN 202120068500U CN 215440075 U CN215440075 U CN 215440075U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to an integrated vertical sewage treatment device based on an IFAS process, which comprises: the device comprises a biochemical tank and a secondary sedimentation tank on the right side of the biochemical tank; the inside of biochemical pond is cut apart into five cavities that are the S-shaped flow state through the baffle of horizontal setting, and from last to down being in proper order: the anaerobic tank, the anoxic tank, the aerobic tank A, the aerobic tank B and the aerobic tank C; modular aquatic weed-imitating fixed fillers, polyurethane sponge fixed fillers and suspension fillers are sequentially filled in the aerobic tank A, the aerobic tank B and the aerobic tank C; a sludge hopper, a sludge reflux stripping pipe and a water outlet groove are arranged in the secondary sedimentation tank; one end of the sludge return air stripping pipe extends into the sludge hopper, and the other end of the sludge return air stripping pipe extends into the anaerobic tank. This vertical sewage treatment plant of integration based on IFAS technology, sewage purification treatment effect is showing, simultaneously, practices thrift and takes up an area of, is convenient for manage and maintain.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an integrated vertical sewage treatment device based on an IFAS (improved filtration and aeration) process.
Background
The IFAS process in the common sewage treatment mostly adopts a single filler to achieve the purpose of increasing the biomass, in the actual operation, the trend of gradually reducing the pollution load is often presented along the water flow direction, the strain capacity of a sewage treatment facility is insufficient, the situation that the front section is far from the design and the biomass of the filler at the rear section is slightly increased is easily presented, meanwhile, the types of required equipment such as mixed liquid backflow, sludge backflow, aeration and the like in the conventional IFAS process are various, the maintenance and repair are difficult, the occupied area of a tank body is large, and the improved space exists. In view of this, we propose an integrated vertical sewage treatment plant based on the IFAS process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated vertical sewage treatment device based on an IFAS (anaerobic baffled Filter) process, which aims to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
an integrated vertical sewage treatment device based on an IFAS process, the device comprising: the device comprises a biochemical tank and a secondary sedimentation tank on the right side of the biochemical tank;
the inside of biochemical pond is cut apart into five cavities that are the S-shaped flow state through the baffle of horizontal setting, and from last to down being in proper order: the anaerobic tank, the anoxic tank, the aerobic tank A, the aerobic tank B and the aerobic tank C;
wherein, one side of the anaerobic tank is provided with a water inlet pipe for introducing sewage;
modular waterweed-imitating fixed fillers, polyurethane sponge fixed fillers and suspended fillers are sequentially filled in the aerobic tank A, the aerobic tank B and the aerobic tank C;
the aerobic tank C is communicated with the anoxic tank through a mixed liquid reflux stripping pipe, and is also communicated with the secondary sedimentation tank through a water outlet stripping pipe;
a sludge hopper, a sludge reflux stripping pipe and a water outlet groove are arranged in the secondary sedimentation tank;
the sludge hopper is arranged at the bottom of the secondary sedimentation tank, and sludge is discharged through the arranged sludge discharge pipe;
one end of the sludge return air stripping pipe extends into the sludge hopper, and the other end of the sludge return air stripping pipe extends into the anaerobic tank;
the water outlet groove is arranged at the upper position of the side wall of the secondary sedimentation tank, and sewage is discharged through the arranged water outlet pipe.
Preferably, the right side of the anaerobic tank is communicated with the anoxic tank through a primary water through hole;
the left side of the anoxic tank is communicated with the aerobic tank A through a secondary water through hole;
the right side of the aerobic tank A is communicated with the aerobic tank B through three-level water through holes;
the left side of the aerobic tank B is communicated with the aerobic tank C through four-stage water through holes, so that sewage forms an S-shaped flow state in the biochemical tank.
Preferably, the filling ratio of the waterweed-imitated fixed filler in the aerobic pool A is 20-40%, and the specific surface area is 5000m2/m3-8000m2/m3；
The filling ratio of the polyurethane sponge fixed filler in the aerobic pool B is 20-40%, and the specific surface area is 2000m2/m3-4000m2/m3；
The filling ratio of the suspended filler in the aerobic tank C is 20-40%, and the specific surface area is 200m2/m3-1000m2/m3。
Preferably, the device also comprises an aeration device, wherein the aeration device comprises an air inlet pipe, an aeration pipe and a connecting pipe which are communicated with the air inlet pipe;
the air inlet pipe is connected with an external blower to provide an air source;
the aeration pipes are provided with a plurality of pipes and are arranged in the anaerobic tank, the anoxic tank, the aerobic tank A, the aerobic tank B and the aerobic tank C;
the connecting pipe is communicated with the mixed liquid reflux stripping pipe, the water outlet stripping pipe and the sludge reflux stripping pipe through pipelines.
Preferably, the device also comprises a PLC controller and an electromagnetic valve electrically connected with the PLC controller;
the aerator pipe is communicated with the air inlet pipe, and the connecting pipe is communicated with the mixed liquid reflux stripping pipe, the water outlet stripping pipe and the sludge reflux stripping pipe, and the electromagnetic valves are arranged on the pipelines.
Compared with the prior art, the utility model has the beneficial effects that: this vertical sewage treatment plant of integration based on IFAS technology, good oxygen pond through tertiary series connection, be equipped with specific surface area filler degressive in proper order respectively, accord with the trend that the pollution load reduces along the rivers direction gradually, easily form the accumulation of the multistage environment of microorganism, form multistage series connection technology, sewage has more the pertinence in different section processing, guarantee the sewage treatment effect, and simultaneously, biochemical pond is from last down series arrangement, the area is practiced thrift greatly, be more applicable to the small-scale processing, the land used side has the advantage, in addition, aeration equipment, the back flow all adopts external air-blower to provide the air supply, air supply equipment need not be submerged under water, equipment type is single, and realize automated control through the PLC controller, be convenient for the management and the maintenance of device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a biochemical pool; 11. an anaerobic tank; 111. a water inlet pipe; 112. a first-stage water through hole; 12. an anoxic tank; 121. a first-stage water through hole; 13. an aerobic tank A; 131. fixing the filler by imitating aquatic weeds; 132. three-level water passing holes; 14. an aerobic tank B; 141. polyurethane sponge fixing filler; 142. a fourth-level water passing hole; 15. an aerobic tank C; 151. suspending the filler; 152. the mixed liquid flows back to the stripping tube; 153. an effluent stripper tube; 2. a secondary sedimentation tank; 21. a sludge hopper; 211. a sludge discharge pipe; 22. a sludge reflux stripping pipe; 23. a water outlet groove; 231. a water outlet pipe; 3. an aeration device; 31. an air inlet pipe; 32. an aeration pipe; 33. a connecting pipe; 4. a PLC controller; 41. an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "primary," "secondary," "tertiary," and "quaternary" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "primary," "secondary," "tertiary," and "quaternary" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more unless specifically limited otherwise.
An integrated vertical sewage treatment device based on an IFAS process, as shown in figure 1, comprises: a biochemical tank 1 and a secondary sedimentation tank 2 on the right side of the biochemical tank 1;
the inside of biochemical pond 1 is cut apart into five cavities that are the S-shaped flow state through the baffle of horizontal setting, and from last to being down in proper order: an anaerobic tank 11, an anoxic tank 12, an aerobic tank A13, an aerobic tank B14 and an aerobic tank C15; wherein, one side of the anaerobic tank 11 is provided with a water inlet pipe 111 for introducing sewage; modular aquatic weed-imitating fixed fillers 131, polyurethane sponge fixed fillers 141 and suspended fillers 151 are sequentially filled in the aerobic pool A13, the aerobic pool B14 and the aerobic pool C15; the aerobic tank C15 is communicated with the anoxic tank 12 through a mixed liquid reflux stripping pipe 152, and the aerobic tank C15 is also communicated with the secondary sedimentation tank 2 through an effluent stripping pipe 153;
a sludge hopper 21, a sludge reflux stripping pipe 22 and a water outlet groove 23 are arranged in the secondary sedimentation tank 2; wherein, the sludge hopper 21 is arranged at the bottom of the secondary sedimentation tank 2, and sludge is discharged through the arranged sludge discharge pipe 211; one end of the sludge reflux stripping pipe 22 extends into the sludge hopper 21, and the other end extends into the anaerobic tank 11; the water outlet groove 23 is arranged at the upper position of the side wall of the secondary sedimentation tank 2, sewage is discharged through the arranged water outlet pipe 231, the sewage is introduced into the biochemical tank 1 through the water inlet pipe 111 and is purified through the anaerobic tank 11, the anoxic tank 12, the aerobic tank A13, the aerobic tank B14 and the aerobic tank C15, and the sewage is in an S-shaped flow state in each treatment tank, so that the treatment time can be prolonged, when the sewage flows into the aerobic tank C15 at the bottom, the mixed liquid backflow stripping pipe 152 is used for inputting the sewage into the anoxic tank 12 again for secondary purification, the sewage after multiple times of purification is introduced into the secondary sedimentation tank 2 through the water outlet stripping pipe 153 for sedimentation, meanwhile, the sludge reflux stripping pipe 22 in the secondary sedimentation tank 2 can convey the sludge and the sewage deposited at the bottom of the sludge hopper 21 to the biochemical tank 1 again for circular purification, the purification is more thorough, and the sewage precipitated in the secondary sedimentation tank 2 is accumulated in the water outlet tank 23 and is discharged through the water outlet pipe 231.
It is worth to be noted that the right side of the anaerobic tank 11 is communicated with the anoxic tank 12 through a first-stage water through hole 112; the left side of the anoxic tank 12 is communicated with the aerobic tank A13 through a secondary water through hole 121; the right side of the aerobic tank A13 is communicated with the aerobic tank B14 through three-level water passing holes 132; the left side of the aerobic tank B14 is communicated with the aerobic tank C15 through four-stage water through holes 142, so that the sewage forms an S-shaped flow state in the biochemical tank 1.
Specifically, the filling ratio of the waterweed-imitated fixed filler 131 in the aerobic tank A13 is 20-40%, and the specific surface area is 5000m2/m3-8000m2/m3(ii) a The filling ratio of the polyurethane sponge fixed filler 141 in the aerobic pool B14 is 20-40%, and the specific surface area is 2000m2/m3-4000m2/m3(ii) a The filling ratio of the suspended filler 151 in the aerobic tank C15 is 20-40%, and the specific surface area is 200m2/m3-1000m2/m3The specific surface area of the filler is sequentially decreased to form a multi-stage series process, so that the method conforms to the trend that the pollution load is gradually reduced along the water flow direction, the accumulation of the microbial multi-stage environment is easy to form, and the virtuous cycle of sewage purification is realized.
Besides, the aeration device 3 is also included, the aeration device 3 comprises an air inlet pipe 31, an aeration pipe 32 and a connecting pipe 33 which are communicated with the air inlet pipe 31; wherein, the air inlet pipe 31 is connected with an external blower to provide an air source; a plurality of aeration pipes 32 are arranged in the anaerobic tank 11, the anoxic tank 12, the aerobic tank A13, the aerobic tank B14 and the aerobic tank C15; the connecting pipe 33 is communicated with the mixed liquid backflow gas stripping pipe 152, the water outlet gas stripping pipe 153 and the sludge backflow gas stripping pipe 22 through pipelines, so that the oxygen content in sewage is increased, aerobic microorganisms can grow conveniently, an air source can be provided for the gas stripping pipe, and the circulation of the sewage is facilitated.
It is worth to be noted that the device also comprises a PLC controller 4 and an electromagnetic valve 41 electrically connected with the PLC controller 4; the pipelines of aeration pipe 32 and intake pipe 31 intercommunication to and connecting pipe 33 and the pipeline of mixed liquid backward flow gas stripping pipe 152, play water gas stripping pipe 153 and mud backward flow gas stripping pipe 22 intercommunication all install solenoid valve 41, are convenient for utilize opening and close of each pipeline of PLC controller 4 control, the management of the device of being convenient for.
In addition, the PLC controller 4 controlling the opening and closing of the solenoid valve 41 according to the present invention is a prior art that can be fully realized by those skilled in the art, and the protection of the present invention does not relate to the improvement of software and method, which is needless to say.
When the integrated vertical sewage treatment device based on the IFAS process is used, sewage is introduced into the biochemical tank 1 through the water inlet pipe 111, and is purified through the anaerobic tank 11, the anoxic tank 12, the aerobic tank A13, the aerobic tank B14 and the aerobic tank C15, and the sewage is in an S-shaped flow state in each treatment tank, so that the treatment time can be prolonged, when the sewage flows into the bottommost aerobic tank C15, the sewage is input into the anoxic tank 12 again through the mixed liquid backflow air stripping pipe 152 for secondary purification, the sewage after multiple times of purification is introduced into the secondary sedimentation tank 2 through the water outlet air stripping pipe 153 for sedimentation, meanwhile, the sludge backflow air stripping pipe 22 in the secondary sedimentation tank 2 can convey sludge and sewage deposited at the bottom of the sludge hopper 21 into the biochemical tank 1 again for circular purification, so that the purification is more thorough, the sewage after sedimentation in the secondary sedimentation tank 2 is accumulated in the water outlet tank 23 and is discharged through the water outlet pipe 231, therefore, this vertical sewage treatment plant of integration, good oxygen pond through tertiary series connection, be equipped with the filler that specific surface area degressive in proper order respectively, accord with the trend that the pollution load reduces along the rivers direction gradually, easily form the accumulation of the multistage environment of microorganism, form multistage series connection technology, sewage has more pertinence in the different section processing, guarantee the sewage treatment effect, and simultaneously, biochemical pond is from last down series arrangement, the area is practiced thrift greatly, more be applicable to the small-scale processing, the land used advantage has, in addition, aeration equipment 3, the back flow all adopts external air-blower to provide the air supply, air supply equipment need not be submerged under water, equipment type is single, and realize automated control through PLC controller 4, be convenient for the management and the maintenance of device.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. An integrated vertical sewage treatment device based on an IFAS process, which is characterized by comprising: the device comprises a biochemical tank (1) and a secondary sedimentation tank (2) on the right side of the biochemical tank (1);
the inside of biochemical pond (1) is cut apart into five cavities that are the S-shaped flow state through the baffle of horizontal setting, and from last to being down in proper order: an anaerobic tank (11), an anoxic tank (12), an aerobic tank A (13), an aerobic tank B (14) and an aerobic tank C (15);
wherein, one side of the anaerobic tank (11) is provided with a water inlet pipe (111) for introducing sewage;
modular aquatic weed-imitating fixed fillers (131), polyurethane sponge fixed fillers (141) and suspended fillers (151) are sequentially filled in the aerobic pool A (13), the aerobic pool B (14) and the aerobic pool C (15);
the aerobic tank C (15) is communicated with the anoxic tank (12) through a mixed liquid reflux stripping pipe (152), and the aerobic tank C (15) is also communicated with the secondary sedimentation tank (2) through a water outlet stripping pipe (153);
a sludge hopper (21), a sludge reflux stripping pipe (22) and a water outlet groove (23) are arranged in the secondary sedimentation tank (2);
wherein the sludge hopper (21) is arranged at the bottom of the secondary sedimentation tank (2), and sludge is discharged through a sludge discharge pipe (211);
one end of the sludge return air stripping pipe (22) extends into the sludge hopper (21), and the other end extends into the anaerobic tank (11);
the water outlet groove (23) is arranged at the upper position of the side wall of the secondary sedimentation tank (2), and sewage is discharged through the arranged water outlet pipe (231).
2. The integrated vertical sewage treatment plant based on IFAS process of claim 1, wherein: the right side of the anaerobic tank (11) is communicated with the anoxic tank (12) through a first-stage water through hole (112);
the left side of the anoxic tank (12) is communicated with the aerobic tank A (13) through a secondary water through hole (121);
the right side of the aerobic tank A (13) is communicated with the aerobic tank B (14) through three-level water through holes (132);
the left side of the aerobic tank B (14) is communicated with the aerobic tank C (15) through four-stage water through holes (142), so that sewage forms an S-shaped flow state in the biochemical tank (1).
3. The integrated vertical sewage treatment plant based on IFAS process of claim 1, wherein: the filling ratio of the waterweed-imitated fixed filler (131) in the aerobic pool A (13) is 20-40%, and the specific surface area is 5000 square meters per meter3-8000㎡/m3；
The filling ratio of the polyurethane sponge fixing filler (141) in the aerobic pool B (14) is 20-40%, and the specific surface area is 2000 square meters per meter3-4000㎡/m3；
The filling ratio of the suspended filler (151) in the aerobic tank C (15) is 20-40%, and the specific surface area is 200 square meters per meter3-1000㎡/m3。
4. The integrated vertical sewage treatment plant based on the IFAS process according to any one of claims 1 to 3, wherein: the device is characterized by also comprising an aeration device (3), wherein the aeration device (3) comprises an air inlet pipe (31), an aeration pipe (32) and a connecting pipe (33) which are communicated with the air inlet pipe (31);
the air inlet pipe (31) is connected with an external blower to provide an air source;
a plurality of aeration pipes (32) are arranged in the anaerobic tank (11), the anoxic tank (12), the aerobic tank A (13), the aerobic tank B (14) and the aerobic tank C (15);
the connecting pipe (33) is communicated with the mixed liquid reflux stripping pipe (152), the water outlet stripping pipe (153) and the sludge reflux stripping pipe (22) through pipelines.
5. The integrated vertical sewage treatment plant based on IFAS process of claim 4, wherein: the device also comprises a PLC (programmable logic controller) (4) and an electromagnetic valve (41) which is electrically connected with the PLC (4);
the aerator pipe (32) is communicated with the air inlet pipe (31), and the electromagnetic valves (41) are arranged on the pipelines communicated with the mixed liquid reflux stripping pipe (152), the water outlet stripping pipe (153) and the sludge reflux stripping pipe (22) through the connecting pipe (33).
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| CN202120068500.4U CN215440075U (en) | 2021-01-12 | 2021-01-12 | Integrated vertical sewage treatment device based on IFAS process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960569A (en) * | 2022-05-16 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Tail water branch pipe structure for preventing sundries in flow channel from wearing pumping and storing power station unit and pipeline |
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2021
- 2021-01-12 CN CN202120068500.4U patent/CN215440075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960569A (en) * | 2022-05-16 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Tail water branch pipe structure for preventing sundries in flow channel from wearing pumping and storing power station unit and pipeline |
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