CN215559748U - A tank-type integrated sewage treatment device - Google Patents
A tank-type integrated sewage treatment device Download PDFInfo
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- CN215559748U CN215559748U CN202122281942.XU CN202122281942U CN215559748U CN 215559748 U CN215559748 U CN 215559748U CN 202122281942 U CN202122281942 U CN 202122281942U CN 215559748 U CN215559748 U CN 215559748U
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- 239000010865 sewage Substances 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005273 aeration Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 238000005352 clarification Methods 0.000 abstract description 26
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009298 carbon filtering Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 7
- 244000005700 microbiome Species 0.000 description 6
- 230000001546 nitrifying effect Effects 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 230000001651 autotrophic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 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
- 230000008569 process Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 238000003911 water pollution Methods 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a tank-type integrated sewage treatment device which comprises a regulating tank, an anaerobic tank, an anoxic tank, an aerobic tank, a cyclone clarification tank, a water distribution tank, a granular activated carbon filtering module and an ultraviolet disinfection tank which are sequentially arranged along the water flow direction. The utility model has simple structure, convenient maintenance and small occupied area, can adapt to the change of water quality and water quantity, and can realize high-efficiency water treatment.
Description
Technical Field
The utility model relates to a tank type integrated sewage treatment device.
Background
Rural population occupies an important proportion of the total population of China, rural domestic sewage is large and scattered, if untreated sewage is directly discharged along a road surface or enters a ditch, water pollution is aggravated, the ecological environment is worsened, and the coordinated development of economy and ecology is not facilitated. Therefore, the treatment of rural water environment is an important content for protecting water resources in China. The research of China on the treatment of rural domestic sewage is late, and the rural areas lack capital investment due to the limitation of economic conditions and technical levels, and the infrastructure is relatively lagged behind, which is a great challenge for the treatment of rural sewage. In addition, the rural domestic sewage has stable water quality, wherein the contents of nitrogen, phosphorus and organic matters are higher than those of urban domestic sewage, and the rural domestic sewage also comprises bacteria, viruses and detergents. Meanwhile, the discharge amount of rural sewage varies greatly along with time, and the discharge peak periods exist in the morning, the noon and the evening, so that the conventional water treatment mode is difficult to efficiently and energy-saving reach the effluent water quality standard aiming at the water quality and water quantity characteristics of the rural sewage. The integrated sewage treatment equipment has the advantages of small occupied area, simple operation and convenient installation and maintenance, is beneficial to reducing the consumption of sewage treatment resources and energy, can effectively improve the efficiency and quality of rural sewage treatment, and can greatly promote the construction and development of the ecological environment in China.
SUMMERY OF THE UTILITY MODEL
The utility model improves the problems, namely the technical problem to be solved by the utility model is to provide a tank type integrated sewage treatment device which not only has simple structure and convenient operation, maintenance and management, but also can effectively remove organic matters, bacteria and suspended solids in rural domestic sewage.
The utility model is formed in such a way, and comprises a regulating tank, an anaerobic tank, an anoxic tank, an aerobic tank, a cyclone clarification tank, a water distribution tank, a granular activated carbon filtering module and an ultraviolet disinfection tank which are sequentially arranged along the water flow direction.
Further, the adjusting tank is provided with suspension type hand-basket grid in intaking the end for remove the large granule suspended solid in the sewage, the inside downside of adjusting tank is provided with the plug flow agitator, be connected through first water conservancy diversion mouth between adjusting tank and the anaerobism pond.
Furthermore, a continuous bending gallery is arranged between the anaerobic tank and the anoxic tank, and the anoxic tank is connected with the aerobic tank through a second flow guide opening.
Furthermore, a composite bioreactor is arranged in the aerobic tank, and comprises a suspended filler, a biological membrane component and an aeration pipe which are sequentially arranged from top to bottom, and a decanter is arranged at the water outlet end of the aerobic tank; the aeration machine is adopted in the aerobic tank for aeration, the aeration pipe is laid at the bottom of the aerobic tank, and a microporous aerator is arranged on the aeration pipe; the aerobic tank is connected with the cyclone clarification tank through a sewage pipe, the aerobic tank is connected with the anoxic tank through a nitrifying liquid return pipe, and the sewage pipe is connected with the nitrifying liquid return pipe.
Further, the cyclone clarification tank comprises a flocculation chamber and a mud-water separation chamber, a stirring shaft is arranged in the flocculation chamber and is driven by a motor to rotate, an air stripping pump is arranged at the bottom in the mud-water separation chamber, the cyclone clarification tank is connected with the adjusting tank through a sludge return pipe, and the effluent of the cyclone clarification tank overflows to the water distribution tank.
Further, a dosing barrel, a dosing pipe and a tubular mixer are sequentially arranged in the cyclone clarification tank from top to bottom.
Furthermore, the bottom parts of the adjusting tank, the anaerobic tank, the aerobic tank and the cyclone clarification tank are all provided with a slope sludge hopper.
Compared with the prior art, the utility model has the following beneficial effects: the device has simple structure and reasonable design, sewage enters the regulating tank after large-particle suspended solids are removed through the basket type grating, the effluent enters the anaerobic tank through the first flow guide port under the action of the plug flow stirrer, the anaerobic tank is communicated with the anoxic tank, the aerobic tank is internally provided with the composite bioreactor, heterotrophic microorganisms are mainly attached to suspended fillers, the removal of phosphorus is facilitated, autotrophic microorganisms are mainly attached to a biological membrane component, the nitrification of ammonia nitrogen is facilitated, the effluent of the aerobic tank enters the cyclone clarification tank after impurities are filtered by the decanter, most suspended solids can be removed through flocculation stirring and mud-water separation, the effluent of the clarification tank is filtered through the granular activated carbon module to remove residual small molecular impurities, and the filtered water overflows to the ultraviolet disinfection tank to remove bacteria and viruses. Therefore, the integrated sewage treatment equipment has strong practicability and wide application prospect for rural domestic sewage with large flow change, dispersed sewage discharge and limited water quantity.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-a water inlet pipe, 2-an adjusting tank, 21-a plug flow stirrer, 22-a suspended basket grid, 23-a sloping sludge hopper, 3-an anaerobic tank, 31-a first flow guide port, 32-an anoxic tank, 33-a second flow guide port, 4-an aerobic tank, 41-a suspended filler, 42-a biological membrane component, 43-a decanter, 44-an aeration pipe, 45-a micro blower, 5-a cyclone clarification tank, 51-a motor, 52-a stirring shaft, 53-an air stripping pump, 54-a dosing barrel, 55-a tubular mixer, 56-a dosing pipe, 57-a sludge return pipe, 58-a nitrifying liquid return pipe, 6-a water distribution tank, 61-a granular activated carbon filtering module, 62-an ultraviolet disinfection tank and 7-an equipment maintenance port, 8-continuous bending gallery, 9-sewage pipe, 10-sludge pump, 11-gate valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1: referring to the attached figure 1, the tank type integrated sewage treatment device comprises a regulating tank 2, an anaerobic tank 3, an anoxic tank 32, an aerobic tank 4, a cyclone clarification tank 5, a water distribution tank 6, a granular activated carbon filtering module 61 and an ultraviolet disinfection tank 62 which are sequentially arranged along the water flow direction.
The side portion of the adjusting tank is provided with a water inlet pipe 1 for introducing sewage into the adjusting tank.
In this embodiment, be provided with suspension type hand-basket grid 22 in the equalizing basin end of intaking for remove the large granule suspended solid in the sewage, the inside lower side of equalizing basin is provided with plug flow agitator 21, be connected through first water conservancy diversion mouth 31 between equalizing basin and the anaerobism pond.
The plug flow stirrer is arranged on the lower side of the inner wall of the regulating reservoir and is opposite to the first flow guide port, so that sludge accumulation and blockage of the flow guide port are avoided, the plug flow stirrer can adopt an axial flow type, and the rotating speed is 200-750 r/min.
In this embodiment, a continuous curved gallery 8 is provided between the anaerobic tank and the anoxic tank, and the anoxic tank and the aerobic tank are connected through a second diversion port 33.
The anaerobic tank and the anoxic tank are internally provided with transverse baffles from top to bottom, the openings reserved by adjacent transverse baffles are arranged in a staggered manner, and the continuous bending gallery is composed of the transverse baffles and arc-shaped plates, so that sewage flows in a roundabout manner in the continuous bending gallery, the hydraulic retention time is prolonged, and the mixed liquid is more uniform; the arc-shaped plate is arc-shaped, so that the water flow velocity distribution is uniform, the energy consumption is saved, a dead water area hardly exists, and the integrated equipment is convenient to desilt.
The hydraulic retention time ratio of the anaerobic tank to the anoxic tank to the aerobic tank is 1: 3-1: 4.
In this embodiment, a composite bioreactor is arranged inside the aerobic tank, which comprises a suspended filler 41, a biological membrane module 42 and an aeration pipe 44, which are arranged in sequence from top to bottom, and a decanter 43 is arranged at the water outlet end of the aerobic tank; the output end of the decanter is connected with the input end of the sewage pipe; the aerobic tank adopts an aerator for aeration, the aerator pipe is laid at the bottom of the aerobic tank, the aerator pipe is provided with a microporous aerator and is 0.2-0.3 m away from the bottom of the tank, the rising buoyancy of the air bubbles pushes the filler and the surrounding water to flow, when the air flow passes through the gap between the water flow and the filler, the air flow is blocked and divided into small bubbles, meanwhile, the filler is fully stirred and mixed with the water flow, the contact time of a biological membrane and oxygen is increased, the transfer efficiency of the oxygen is improved, and the decomposition and removal of organic matters are promoted.
The aerobic tank is connected with the cyclone clarification tank through a sewage pipe 9, the cyclone clarification tank is connected with the anoxic tank through a nitrifying liquid return pipe 58, and the nitrifying liquid return pipe is connected with the sewage pipe; the sludge-water mixed liquid at the bottom of the cyclone clarification tank is lifted into the regulating tank through the air lift pump 53, and part of the effluent of the aerobic tank is pumped into the anoxic tank through the lift pump so as to realize the return of the nitrified liquid.
The suspended filler is beneficial to the survival of suspended organisms, mainly heterotrophic microorganisms are used, the sludge age is short, and the removal of organic matters and phosphorus is facilitated; the biological membrane component is suitable for growth of attached organisms, mainly autotrophic microorganisms are used, sludge is long in age, and nitrification of ammonia nitrogen is facilitated.
In this embodiment, the cyclone clarification tank includes flocculation chamber and mud-water separation chamber, be equipped with (mixing) shaft 52 in the flocculation chamber, the (mixing) shaft is rotated by motor 51 drive, the indoor bottom of mud-water separation is equipped with air stripping pump 53, link to each other through mud reflux pipe 57 between cyclone clarification tank and the equalizing basin, the overflow of cyclone clarification tank goes out water to water distribution tank 6.
In this embodiment, a dosing barrel 54, a dosing pipe 56 and a pipe mixer 55 are sequentially arranged inside the cyclone clarification tank 5 from top to bottom, and the pipe mixer is also connected with a sewage pipe.
The effluent of the aerobic tank enters a flocculation chamber through a sewage pipe, and according to the effluent quality target, an ammonia nitrogen remover or a phosphorus remover in a dosing barrel is fed into a tubular mixer 55 on the sewage pipe through the gravity of a dosing pipe; the air stripping pump at the bottom of the mud-water separation chamber is connected with the aeration pipe 44, and the density difference in the liquid lifting pipe is utilized to lift the mud-water mixed liquid at the bottom of the mud-water separation chamber into the regulating tank.
In the embodiment, the bottom parts of the adjusting tank, the anaerobic tank, the aerobic tank and the cyclone clarification tank are all provided with a slope sludge hopper 23, and the slope i = 0.01-0.02 so as to meet the requirements of sludge discharge or emptying; a sludge pipe is arranged at the bottom of each slope sludge hopper, and sludge in the sludge hopper is discharged through the sludge pipe; the sludge pipe is connected with a sludge pump 10, and sludge collected by the sludge hopper is pumped out of the equipment body by the sludge pump for sludge treatment.
In the embodiment, the top parts of the adjusting tank, the anaerobic tank, the aerobic tank, the cyclone clarification tank and the water distribution tank are provided with equipment maintenance ports 7; the top of every water treatment unit is located perpendicularly to the overhaul of the equipments mouth, and its top adds establishes the stainless steel protective cover, prevents that impurity from falling into in the equipment.
In this embodiment, the two sides of the inner bottom surface of the cyclone clarification tank are inclined planes, and each inclined plane inclines towards the sludge bucket from the side part of the cyclone clarification tank.
In this embodiment, the water inlet pipe, the sludge pipe, the nitrifying liquid return pipe, the sludge return pipe and the sewage pipe are all provided with a gate valve 11, and the gate valves are connected with the PLC control system. A micro blower 45 is arranged above the anaerobic tank, the micro blower is connected with the air stripping pump through a blast pipe, and the blast pipe is also provided with a gate valve; it is worth mentioning here that, in addition to the above, all the pipes of the present device are provided with gate valves.
In the embodiment, sewage enters from a water inlet pipe, enters into an adjusting tank after large-particle suspended solids are removed by a suspension type basket grid, enters into an anaerobic tank through a first flow guide port under the action of a plug flow stirrer, and the anaerobic tank is communicated with an anoxic tank; a composite bioreactor is arranged in the aerobic tank, heterotrophic microorganisms are mainly attached to the suspended filler, so that phosphorus removal is facilitated, and autotrophic microorganisms are mainly attached to the biofilm component, so that nitrification of ammonia nitrogen is facilitated; the effluent of the aerobic tank is filtered by a decanter to remove impurities and then enters a cyclone clarification tank, most suspended solids can be removed by flocculation stirring and mud-water separation, the effluent of the cyclone clarification tank is filtered by a granular activated carbon module to remove residual micromolecular impurities, and the filtered water overflows to an ultraviolet disinfection tank to remove bacteria and viruses.
The bottom of each water treatment unit is provided with a sludge bucket, and sludge collected by the sludge buckets is pumped out of the equipment body by the sludge pump for sludge treatment. The sludge-water mixed liquid at the bottom of the cyclone clarification tank is lifted into the regulating tank by the air lift pump, and part of the effluent of the aerobic tank 4 is pumped to the side wall of the anaerobic tank 3 by the lift pump so as to realize the reflux of the nitrified liquid.
Example 2: the integrated sewage treatment equipment is suitable for distributed rural domestic sewage treatment or small-amount sewage centralized treatment. The plug flow stirrer in the regulating tank is arranged at a position 20 cm away from the bottom, the effective volumes of the anaerobic tank and the anoxic tank are equal, and the hydraulic retention time ratio of the anaerobic tank to the anoxic tank to the aerobic tank is 1: 3. The anaerobic tank and the anoxic tank are divided into 8 circular galleries by adopting transverse partition plates, the suspension type filler is made of a PE spherical shell and a hydroformylation vinylon fiber flower bundle or a PP wide flat ribbon, the biological membrane component adopts semi-soft filler and consists of a PE central rope and a PE ring, and a microporous aerator is arranged on an aeration pipe and is 0.25 m away from the bottom of the tank. The bottom of each processing unit is uniformly inclined to a sludge hopper, and the inclination is i =0.02, so as to meet the requirement of sludge (air) discharge.
Unless otherwise indicated, any technical aspect disclosed herein, if a range of values is disclosed, then the range of values disclosed are preferred ranges of values, and any person skilled in the art will understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122281942.XU CN215559748U (en) | 2021-09-22 | 2021-09-22 | A tank-type integrated sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122281942.XU CN215559748U (en) | 2021-09-22 | 2021-09-22 | A tank-type integrated sewage treatment device |
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| CN215559748U true CN215559748U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603314A (en) * | 2021-09-22 | 2021-11-05 | 福州大学 | Tank type integrated sewage treatment device and operation method thereof |
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- 2021-09-22 CN CN202122281942.XU patent/CN215559748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603314A (en) * | 2021-09-22 | 2021-11-05 | 福州大学 | Tank type integrated sewage treatment device and operation method thereof |
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