CN114195333A - Integrated low-energy-consumption sewage treatment device - Google Patents
Integrated low-energy-consumption sewage treatment device Download PDFInfo
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- CN114195333A CN114195333A CN202210001417.4A CN202210001417A CN114195333A CN 114195333 A CN114195333 A CN 114195333A CN 202210001417 A CN202210001417 A CN 202210001417A CN 114195333 A CN114195333 A CN 114195333A
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- 239000010865 sewage Substances 0.000 title claims abstract description 75
- 238000005265 energy consumption Methods 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 281
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 47
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims description 89
- 238000005273 aeration Methods 0.000 claims description 85
- 239000007789 gas Substances 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 39
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 38
- 230000001651 autotrophic effect Effects 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 34
- 229910052717 sulfur Inorganic materials 0.000 claims description 34
- 239000011593 sulfur Substances 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 30
- 239000002131 composite material Substances 0.000 claims description 29
- 238000001556 precipitation Methods 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 27
- 239000001301 oxygen Substances 0.000 claims description 27
- 206010021143 Hypoxia Diseases 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 16
- 238000012806 monitoring device Methods 0.000 claims description 13
- 238000005276 aerator Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052683 pyrite Inorganic materials 0.000 claims description 4
- 239000011028 pyrite Substances 0.000 claims description 4
- 229910021646 siderite Inorganic materials 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011272 standard treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/04—Oxidation reduction potential [ORP]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an integrated low-energy-consumption sewage treatment device, which comprises a sewage treatment reaction device shell and a device room which is arranged in one end of the sewage treatment reaction device shell and can be used for installing and placing different devices and a control cabinet device, wherein a biochemical reaction unit area, a solid-liquid reaction unit area and a clear water disinfection area are also arranged on the outer side of the device room in the sewage treatment reaction device shell, the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area are sequentially connected, and the clear water disinfection area can disinfect a water body treated by the solid-liquid reaction unit area to reach the standard. The device has high integration level of the whole equipment, can realize automatic switching of different operation modes, has low energy consumption, good effect of removing total nitrogen of pollutants in sewage, does not need additional carbon source in the biochemical reaction process, reduces the dosage of medicament, and is suitable for being popularized and used as a small-sized distributed sewage treatment device.
Description
Technical Field
The invention relates to the technical field of low-energy-consumption sewage treatment devices, in particular to an integrated low-energy-consumption sewage treatment device.
Background
The existing sewage treatment device, particularly a device aiming at distributed domestic sewage, has the characteristics of large water quality and water quantity fluctuation, intermittent discharge and the like, and the energy loss in the sewage treatment process is mainly reflected in the aspect of aeration, so that the important practical significance is realized on how to realize accurate aeration according to the water quality and the water quantity and adjust process parameters in time in the operation process so as to adapt to the quality of inlet water.
The existing common sewage treatment device, in particular to a small-sized distributed sewage treatment device, exists when in use: the continuous operation of the aeration device is required to be kept, a large amount of energy is wasted, the biochemical system in the common sewage treatment device is influenced, accurate aeration can not be achieved according to the biological reaction, and the problem that the Total Nitrogen (TN) of pollutants at the water outlet part does not reach the standard frequently occurs. Therefore, the integrated low-energy-consumption sewage treatment device can realize multi-mode control conversion operation of a sewage treatment device system according to the conditions of water quality, water quantity and dissolved oxygen numerical values in an aerobic reaction zone, can realize accurate control of aeration of different biochemical reaction units by using different electric control valves, ensures good effect of removing Total Nitrogen (TN) of pollutants in sewage by depending on sulfur autotrophic load fillers in a rear-section anoxic zone, does not need to add an additional carbon source, and is particularly suitable for treating sewage with low carbon ratio.
Disclosure of Invention
The invention aims to solve the problems that when a common sewage treatment device is used, a large amount of energy is wasted due to continuous operation of an aeration device, accurate aeration cannot be realized according to the requirement of biological reaction, and the Total Nitrogen (TN) of pollutants at a water outlet often does not reach the standard, and provides the sewage treatment device integrating low energy consumption. The device has high integration level of the whole equipment, can realize automatic switching of different operation modes, has low energy consumption, good effect of removing total nitrogen of pollutants in sewage, does not need additional carbon source in the biochemical reaction process, reduces the dosage of medicament, and is suitable for being popularized and used as a small-sized distributed sewage treatment device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the integrated low-energy-consumption sewage treatment device comprises a sewage treatment reaction device shell, and a biochemical reaction unit area, a solid-liquid reaction unit area and a clear water disinfection area which are arranged in one end of the sewage treatment reaction device shell and can be used for installing and placing equipment rooms of different equipment and control cabinet devices, wherein the outer side of the equipment room in the sewage treatment reaction device shell is also provided with the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area, the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area are sequentially connected, the biochemical reaction unit area can carry out anoxic aerobic biochemical treatment on sewage, the solid-liquid reaction unit area can carry out membrane separation or precipitation separation treatment on mixed water bodies treated by the biochemical reaction unit area, the clear water disinfection area can carry out disinfection treatment on the water bodies treated by the solid-liquid reaction unit area to reach the standard so as to ensure that water bodies at an outlet of a water outlet pipeline in the clear water disinfection area to meet the standard discharge requirement, and the anoxic reaction unit area, The aerobic reaction first zone, the anoxic reaction second zone, the aerobic reaction second zone still include:
the online detection instruments are arranged in the aerobic reaction first zone and the aerobic reaction second zone, the online detection instruments can be dissolved oxygen meters or ORP meters, and the air blowing devices are arranged in the equipment room and are connected with the control cabinet device, the control cabinet device can control the online detection instruments and the air blowing devices and can ensure linkage of the online detection instruments and the air blowing devices, so that when the dissolved oxygen value detected by the dissolved oxygen meters in the air blowing devices is lower than 2mg/L or the detection value of the ORP meters is lower than +100mV, the air blowing devices start to blow air and aerate in the aerobic reaction first zone and the aerobic reaction second zone;
or when the dissolved oxygen value detected by the dissolved oxygen meter in the online detection instrument of the blowing device is higher than 5mg/L or the detection value of the ORP meter is higher than +500mV, the blowing device stops running and cannot blow air to aerate the aerobic reaction first zone and the aerobic reaction second zone.
In order to further remove Total Nitrogen (TN) of pollutants in the water body in the anoxic reaction zone II, no additional carbon source is required to be added, furthermore, a sulfur autotrophic composite filler is arranged in the anoxic reaction zone II, the sulfur autotrophic composite filler can be honeycomb-shaped or hollow ceramic particles, the diameter range of the sulfur autotrophic composite filler is 2-20 mm, the porosity range of the sulfur autotrophic composite filler is 12-34%, the sulfur autotrophic load filler can remove the total nitrogen in the water body in the anoxic reaction zone II, and no additional carbon source is required to be added.
In order to ensure that the sulfur autotrophic composite filler has good effect of removing Total Nitrogen (TN) of pollutants in the water body in the anoxic reaction zone II, furthermore, the sulfur autotrophic composite filler in the anoxic reaction zone II can be composed of at least one of pyrite, siderite powder and sulfur powder.
In order to prevent the sulfur autotrophic composite filler in the second anoxic reaction zone from flowing out from the front overflowing port area or the rear overflowing port area, further, the second anoxic reaction zone is provided with a front overflowing port area and a rear overflowing port area, grid nets are arranged in the front overflowing port area and the rear overflowing port area, the aperture of each grid net is not more than 2mm, and the grid nets can prevent the sulfur autotrophic composite filler in the second anoxic reaction zone from flowing out from the front overflowing port area or the rear overflowing port area.
In order to enable the control cabinet device to respectively control the operation of the anoxic zone air blowing device I and the aerobic zone air blowing device II, and simultaneously enable part of external sewage to enter the anoxic reaction zone I and the other part to enter the anoxic reaction zone II, further, the anoxic zone air blowing device I, the aerobic zone air blowing device II and the control cabinet device are arranged in the equipment room, a PLC control system component is arranged in the control cabinet device, the anoxic zone air blowing device I and the aerobic zone air blowing device II are respectively connected with the PLC control system component through wire harnesses, and the PLC control system component can control the start or stop of the anoxic zone air blowing device I and the aerobic zone air blowing device II;
the first anoxic zone blowing device can be one or more of a Roots blower, a rotary blower, a vortex blower, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower, and the second aerobic zone blowing device can be one or more of a Roots blower, a rotary blower, a vortex blower, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower;
be provided with an oxygen deficiency reaction inlet tube in the oxygen deficiency reaction district in the biochemical reaction unit district, oxygen deficiency reaction inlet tube can be with external sewage carry go into in the oxygen deficiency reaction district, oxygen deficiency reaction inlet tube is provided with the connecting pipe of intaking at the back, be provided with automatically controlled four valves between an oxygen deficiency reaction inlet tube and the connecting pipe of intaking, the end of the connecting pipe of intaking is provided with two inlet tubes of oxygen deficiency reaction, automatically controlled four valves can control the connecting pipe of intaking and two inlet tubes of oxygen deficiency reaction, make the external sewage in a part oxygen deficiency reaction inlet tube, can get into in two districts of oxygen deficiency reaction through the connecting pipe of intaking and two inlet tubes of oxygen deficiency reaction.
In order to control whether the tail end of the oxygen-poor main gas pipe aerates the oxygen-poor reaction zone II, further, an oxygen-poor main gas pipe is arranged in the oxygen-poor reaction zone I, one end of the oxygen-poor main gas pipe is connected with an oxygen-poor zone blowing device, an oxygen-poor reaction aeration pipe is arranged on the oxygen-poor main gas pipe, and the oxygen-poor reaction aeration pipe can aerate the oxygen-poor reaction zone I;
the oxygen-poor main gas pipe is provided with an electric control three-valve, the tail end of the oxygen-poor main gas pipe is arranged in the oxygen-poor reaction second area, and the electric control three-valve can control whether the tail end of the oxygen-poor main gas pipe aerates the oxygen-poor reaction second area.
In order to control whether the aerobic main gas pipe supplies gas to the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe and control whether the tail end of the connecting pipe of the gas inlet branch pipe is communicated with the tail end of the anoxic main gas pipe, furthermore, an aerobic main gas pipe can be arranged above the anoxic reaction first zone and the aerobic reaction first zone in the biochemical reaction unit zone, one end of the aerobic main gas pipe is connected with an aerobic zone blowing second device, an aerobic reaction first aeration pipe and an aerobic reaction second aeration pipe are arranged behind the aerobic main gas pipe, the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe are respectively positioned in the aerobic reaction first zone and the aerobic reaction second zone, and the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe can respectively aerate the aerobic reaction first zone and the aerobic reaction second zone;
the front section part of the aerobic main air pipe is provided with an electrically controlled valve which can control whether the aerobic main air pipe supplies air to the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe;
the rear section of the aerobic main gas pipe is provided with an air inlet branch pipe connecting pipe, the air inlet branch pipe connecting pipe is provided with five electrically controlled valves, the air inlet branch pipe connecting pipe is positioned behind the joint of the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe, the tail end of the air inlet branch pipe connecting pipe can be connected with the upper part of the tail end of the anoxic main gas pipe, and the five electrically controlled valves can control whether the tail end of the air inlet branch pipe connecting pipe is communicated with the tail end of the anoxic main gas pipe.
In order to control whether the oxygen-poor main air pipe and the aerobic main air pipe are communicated with each other in the equipment room, further, the oxygen-poor main air pipe and the aerobic main air pipe can be communicated with each other in the equipment room through an air inlet main connecting pipe, and an electric control two-valve is arranged on the air inlet main connecting pipe and can control whether the oxygen-poor main air pipe and the aerobic main air pipe are communicated with each other in the equipment room.
In order to realize the respective control of the opening or closing of the first electric control valve, the second electric control valve, the third electric control valve, the fourth electric control valve and the fifth electric control valve, a PLC control system assembly is arranged in the control cabinet device, and the PLC control system assembly in the control cabinet device can be respectively connected with the first electric control valve, the second electric control valve, the third electric control valve, the fourth electric control valve and the fifth electric control valve through wiring harnesses, so that the opening or closing of the first electric control valve, the second electric control valve, the third electric control valve, the fourth electric control valve and the fifth electric control valve can be respectively controlled.
In order to ensure that the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area have good sewage treatment effect and ensure that the effluent quality of an effluent pipeline in the clear water disinfection area reaches the standard and is qualified, further, aeration pipe assemblies are arranged at the inner bottoms of an anoxic reaction first area, an aerobic reaction first area, an anoxic reaction second area and an aerobic reaction second area in the biochemical reaction unit area, and the aeration pipe assemblies can be one or the combination of more than one of a tubular aerator, a disc aerator, an ejector and a gas-liquid mixing device;
the solid-liquid reaction unit zone can carry out membrane separation or precipitation separation treatment on the mixed water body treated by the biochemical reaction unit zone, the membrane separation can use a microfiltration membrane or an ultrafiltration membrane, and the precipitation separation treatment can use one or more of inclined tube precipitation, inclined plate precipitation, vertical flow precipitation and natural precipitation;
the equipment room, the biochemical reaction unit area, the solid-liquid separation unit area and the clear water disinfection area can be connected and combined into a whole, or are separated by modularized cutting and then spliced and connected into a whole;
the upper portion outside in clear water disinfection district is provided with outlet conduit, is provided with automatically controlled six valves and water quality monitoring device on the outlet conduit, and automatically controlled six valves and water quality monitoring device all are connected with the switch board device through the pencil, and when water quality monitoring device detected out the quality of water pipeline department qualified up to standard, the switch board device can instruct automatically controlled six valves to open, and the water in the clear water disinfection district can be discharged through outlet conduit.
Compared with the prior art, the invention provides an integrated low-energy-consumption sewage treatment device, which has the following beneficial effects:
1. the integrated low-energy-consumption sewage treatment device comprises online detection instruments arranged in an aerobic reaction first zone and an aerobic reaction second zone, an anoxic zone air blowing first device, an aerobic zone air blowing second device and a control cabinet device which are arranged in an equipment room, aeration facilities arranged in the anoxic reaction first zone, the aerobic reaction first zone, the anoxic reaction second zone and the aerobic reaction second zone, corresponding pipelines and corresponding electric control valves, wherein the control cabinet device can control the opening or closing of the anoxic zone air blowing first device, the aerobic zone air blowing second device and the corresponding electric control valves, and can realize the purposes of ensuring the intermittent operation of the anoxic zone air blowing first device and the aerobic zone air blowing second device and carrying out precise control on the aeration facilities in different zones according to the relevant detection data of the online detection instruments, thereby solving the problems existing in the use of the common sewage treatment device, the continuous operation of the aeration device can cause a large amount of energy waste, the problem of accurate aeration can not be realized according to the biological reaction, the integral equipment of the device is ensured to be high in integration level, the automatic switching of different operation modes can be realized, and the energy consumption is low.
2. The integrated low-energy-consumption sewage treatment device realizes removal of Total Nitrogen (TN) of pollutants in a water body in the anoxic reaction zone II through the sulfur autotrophic composite filler arranged in the anoxic reaction zone II and the combination and shape limitation of the sulfur autotrophic composite filler, does not need to add an additional carbon source, ensures that the total nitrogen removal effect of the pollutants in the sewage is good, and simultaneously ensures that the Total Nitrogen (TN) of the pollutants at the water outlet position of the water outlet pipeline reaches the standard by utilizing the electrically-controlled six-valve and the water quality monitoring device arranged on the water outlet pipeline in the clear water disinfection zone.
Drawings
FIG. 1 is a plan view of the whole area of an integrated low-energy-consumption sewage treatment plant according to the present invention;
FIG. 2 is a schematic plan view of the entire region of an integrated low-energy-consumption sewage treatment plant and the installation region of the plumbing installation thereon.
In the figure: 1. a sewage treatment reaction device shell; 2. a device room; 3. an anoxic reaction zone I; 4. an aerobic reaction zone I; 5. an anoxic reaction zone II; 6. an aerobic reaction zone II; 7. a solid-liquid reaction unit zone; 8. a clear water disinfection zone; 9. an anoxic zone blowing device; 10. an aerobic zone air blasting device II; 11. electrically controlling a valve; 12. a second electric control valve; 13. electrically controlling the three valves; 14. electrically controlling the four valves; 15. a fifth electric control valve; 16. an anoxic reaction water inlet pipe; 17. a second anoxic reaction water inlet pipe; 18. a water inlet connecting pipe; 19. an anoxic reaction aeration pipe; 20. an anoxic reaction secondary aeration pipe; 21. an anoxic main trachea; 22. aerobic reaction is carried out on the aeration pipe; 23. an aerobic reaction secondary aeration pipe; 24. an aerobic main gas pipe; 25. an air intake main connecting pipe; 26. an air inlet branch pipe connecting pipe; 27. a first aerobic reaction zone is provided with a dissolved oxygen instrument; 28. a dissolved oxygen instrument in the aerobic reaction zone II; 29. a control cabinet device; 30. a water outlet pipeline.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the drawings: an integrated low-energy-consumption sewage treatment device comprises a sewage treatment reaction device shell 1, and a device room 2 which is arranged in one end of the sewage treatment reaction device shell 1 and can be used for installing and placing different devices and a control cabinet device 29, wherein a biochemical reaction unit area, a solid-liquid reaction unit area 7 and a clear water disinfection area 8 are further arranged on the outer side of the device room 2 in the sewage treatment reaction device shell 1, the biochemical reaction unit area, the solid-liquid reaction unit area 7 and the clear water disinfection area 8 are sequentially connected, the biochemical reaction unit area can carry out anoxic and aerobic biochemical treatment on sewage, the solid-liquid reaction unit area 7 can carry out membrane separation or precipitation separation treatment on mixed water body treated by the biochemical reaction unit area, the clear water disinfection area 8 can carry out disinfection standard treatment on water body treated by the solid-liquid reaction unit area 7, and ensure that the outlet of a water outlet pipeline 30 in the clear water disinfection area 8 meets the standard discharge requirement, the biochemical reaction unit zone comprises an anoxic reaction first zone 3, an aerobic reaction first zone 4, an anoxic reaction second zone 5 and an aerobic reaction second zone 6, and also comprises:
the online detection instruments arranged in the aerobic reaction first zone 4 and the aerobic reaction second zone 6 can be dissolved oxygen meters or ORP meters, the air blowing device arranged in the equipment room 2 is connected with the online detection instruments and the air blowing device through the control cabinet device 29, the control cabinet device 29 can control the online detection instruments and the air blowing device and can ensure linkage of the online detection instruments and the air blowing device, and when the dissolved oxygen value detected by the dissolved oxygen meters in the air blowing device in the online detection instruments is lower than 2mg/L or the detection value of the ORP instruments is lower than +100mV, the air blowing device starts to blow and aerate to the aerobic reaction first zone and the aerobic reaction second zone;
or when the dissolved oxygen value detected by the dissolved oxygen meter in the online detection instrument of the blower device is higher than 5mg/L or the detection value of the ORP meter is higher than +500mV, the blower device stops running and can not blow air to aerate the aerobic reaction first zone 4 and the aerobic reaction second zone 6.
In order to further remove the Total Nitrogen (TN) of pollutants in the water body in the second anoxic reaction zone 5, no additional carbon source is required to be added, furthermore, a sulfur autotrophic composite filler is arranged in the second anoxic reaction zone 5, the sulfur autotrophic composite filler can be honeycomb-shaped or hollow ceramic particles, the diameter range of the sulfur autotrophic composite filler is 2-20 mm, the porosity range of the sulfur autotrophic composite filler is 12-34%, the sulfur autotrophic load filler can remove the total nitrogen in the water body in the second anoxic reaction zone 5, and no additional carbon source is required to be added.
In order to ensure that the sulfur autotrophic composite filler has good effect of removing Total Nitrogen (TN) of pollutants in the water body in the second anoxic reaction zone 5, furthermore, the sulfur autotrophic composite filler in the second anoxic reaction zone 5 can be composed of at least one of pyrite, siderite powder and sulfur powder.
In order to prevent the sulfur autotrophic composite filler in the second anoxic reaction zone 5 from flowing out from the front overflow port area or the rear overflow port area, further, the second anoxic reaction zone 5 is provided with a front overflow port area and a rear overflow port area, grid nets are arranged in the front overflow port area and the rear overflow port area, the aperture of each grid net is not more than 2mm, and the grid nets can prevent the sulfur autotrophic composite filler in the second anoxic reaction zone 5 from flowing out from the front overflow port area or the rear overflow port area.
In order to enable the control cabinet device 29 to respectively control the operation of the anoxic zone first air blowing device 9 and the aerobic zone second air blowing device 10, and simultaneously enable a part of external sewage to enter the anoxic reaction first zone 3 and a part of external sewage to enter the anoxic reaction second zone 5, further, the equipment room 2 can be internally provided with the anoxic zone first air blowing device 9, the aerobic zone second air blowing device 10 and the control cabinet device 29, a PLC control system component is arranged in the control cabinet device 29, the anoxic zone first air blowing device 9 and the aerobic zone second air blowing device 10 are respectively connected with the PLC control system component through wiring harnesses, and the PLC control system component can control the start or stop of the anoxic zone first air blowing device 9 and the aerobic zone second air blowing device 10;
the anoxic zone first air blowing device 9 can be one or more of a Roots blower, a rotary blower, a vortex fan, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower, and the aerobic zone second air blowing device 10 can be one or more of a Roots blower, a rotary blower, a vortex fan, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower;
an anoxic reaction inlet pipe 16 is arranged in an anoxic reaction zone 3 in the biochemical reaction unit zone, the anoxic reaction inlet pipe 16 can convey external sewage into the anoxic reaction zone 3, a water inlet connecting pipe 18 is arranged behind the anoxic reaction inlet pipe 16, an electric control four-valve 14 is arranged between the anoxic reaction inlet pipe 16 and the water inlet connecting pipe 18, a second anoxic reaction inlet pipe 17 is arranged at the tail end of the water inlet connecting pipe 18, the electric control four-valve 14 can control the water inlet connecting pipe 18 and the second anoxic reaction inlet pipe 17, so that external sewage in a part of the anoxic reaction inlet pipe 16 can enter the second anoxic reaction zone 5 through the water inlet connecting pipe 18 and the second anoxic reaction inlet pipe 17.
In order to control whether the tail end of the oxygen-poor main gas pipe 21 aerates the oxygen-poor reaction second zone 5, furthermore, an oxygen-poor main gas pipe 21 is arranged in the oxygen-poor reaction first zone 3, one end of the oxygen-poor main gas pipe 21 is connected with an oxygen-poor zone blowing first device 9, an oxygen-poor reaction first aeration pipe 19 is arranged on the oxygen-poor main gas pipe 21, and the oxygen-poor reaction first aeration pipe 19 can aerate the oxygen-poor reaction first zone 3;
the oxygen-poor main gas pipe 21 is provided with the electric control three-valve 13, the tail end of the oxygen-poor main gas pipe 21 is arranged in the oxygen-poor reaction second zone 5, and the electric control three-valve 13 can control whether the tail end of the oxygen-poor main gas pipe 21 aerates the oxygen-poor reaction second zone 5.
In order to control whether the aerobic main gas pipe 24 supplies gas to the aerobic first aeration pipe 22 and the aerobic second aeration pipe 23 and control whether the tail end of the gas inlet branch pipe connecting pipe 26 is communicated with the tail end of the anoxic main gas pipe 21, furthermore, an aerobic main gas pipe 24 can be arranged above the anoxic first zone 3 and the aerobic first zone 4 in the biochemical reaction unit zone, one end of the aerobic main gas pipe 24 is connected with the aerobic second zone blowing device 10, an aerobic first aeration pipe 22 and an aerobic second aeration pipe 23 are arranged behind the aerobic main gas pipe 24, the aerobic first aeration pipe 22 and the aerobic second aeration pipe 23 are respectively positioned in the aerobic first zone 4 and the aerobic second zone 6, and the aerobic first aeration pipe 22 and the aerobic second aeration pipe 23 can respectively aerate the aerobic first zone 4 and the aerobic second zone 6;
the front section of the aerobic main air pipe 24 is provided with an electrically controlled first valve 11, and the electrically controlled first valve 11 can control whether the aerobic main air pipe 24 supplies air to the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23;
an air inlet branch pipe connecting pipe 26 is arranged on the rear section part of the aerobic main air pipe 24, an electric control five-valve 15 is arranged on the air inlet branch pipe connecting pipe 26, the air inlet branch pipe connecting pipe 26 is positioned behind the joint of the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23, the tail end of the air inlet branch pipe connecting pipe 26 can be connected with the upper part of the tail end of the anoxic main air pipe 21, and the electric control five-valve 15 can control whether the tail end of the air inlet branch pipe connecting pipe 26 is communicated with the tail end of the anoxic main air pipe 21.
In order to control whether the oxygen-poor main air pipe 21 and the aerobic main air pipe 24 are communicated with each other in the equipment room 2, further, the oxygen-poor main air pipe 21 and the aerobic main air pipe 24 can be communicated with each other in the equipment room 2 through an air inlet main connecting pipe 25, an electric control two-valve 12 is arranged on the air inlet main connecting pipe 25, and the electric control two-valve 12 can control whether the oxygen-poor main air pipe 21 and the aerobic main air pipe 24 are communicated with each other in the equipment room 2.
In order to control the opening or closing of the first electric control valve 11, the second electric control valve 12, the third electric control valve 13, the fourth electric control valve 14 and the fifth electric control valve 15, respectively, a PLC control system assembly is arranged in the control cabinet device 29, and the PLC control system assembly in the control cabinet device 29 is connected with the first electric control valve 11, the second electric control valve 12, the third electric control valve 13, the fourth electric control valve 14 and the fifth electric control valve 15 through wiring harnesses, so that the opening or closing of the first electric control valve 11, the second electric control valve 12, the third electric control valve 13, the fourth electric control valve 14 and the fifth electric control valve 15 is controlled respectively.
In order to ensure that the biochemical reaction unit zone, the solid-liquid reaction unit zone 7 and the clear water disinfection zone 8 have good sewage treatment effect and ensure that the quality of the effluent water of the effluent pipeline 30 in the clear water disinfection zone 8 reaches the standard and is qualified, further, aeration pipe assemblies are arranged at the bottoms of the inner sides of the anoxic reaction first zone 3, the aerobic reaction first zone 4, the anoxic reaction second zone 5 and the aerobic reaction second zone 6 in the biochemical reaction unit zone, and the aeration pipe assemblies can be one or more than one combination of a tubular aerator, a disc aerator, an ejector and a gas-liquid mixing device;
the solid-liquid reaction unit zone 7 can perform membrane separation or precipitation separation treatment on the mixed water body treated in the biochemical reaction unit zone, the membrane separation can use a microfiltration membrane or an ultrafiltration membrane, and the precipitation separation treatment can use one or more of inclined tube precipitation, inclined plate precipitation, vertical flow precipitation and natural precipitation;
the equipment room 2, the biochemical reaction unit area, the solid-liquid separation unit area 7 and the clear water disinfection area 8 can be connected into a whole or connected into a whole through modularized cutting separation and splicing;
the upper portion outside in clear water disinfection district 8 is provided with outlet conduit 30, is provided with automatically controlled six valves and water quality monitoring device on the outlet conduit 30, and automatically controlled six valves and water quality monitoring device all are connected with switch board device 29 through the pencil, and when water quality monitoring device detected that the quality of water pipeline 30 department is up to standard qualified, switch board device 29 can instruct automatically controlled six valves to open, and the water in clear water disinfection district 8 can be discharged through outlet conduit 30.
Example 1:
referring to fig. 1 and 2, an integrated low-energy-consumption sewage treatment device comprises a sewage treatment reaction device shell 1 and a device room 2 which is arranged inside one end of the sewage treatment reaction device shell 1 and can be used for installing and placing different devices and a control cabinet device 29, wherein a biochemical reaction unit area, a solid-liquid reaction unit area 7 and a clear water disinfection area 8 are further arranged outside the device room 2 inside the sewage treatment reaction device shell 1, the biochemical reaction unit area, the solid-liquid reaction unit area 7 and the clear water disinfection area 8 are sequentially connected, the biochemical reaction unit area can carry out anoxic and aerobic biochemical treatment on sewage, the solid-liquid reaction unit area 7 can carry out membrane separation or precipitation separation treatment on mixed water bodies treated by the biochemical reaction unit area, the clear water disinfection area 8 can carry out disinfection standard treatment on water bodies treated by the solid-liquid reaction unit area 7, and ensure that the water body at an outlet 30 in the clear water disinfection area 8 meets the discharge standard, the biochemical reaction unit zone comprises an anoxic reaction first zone 3, an aerobic reaction first zone 4, an anoxic reaction second zone 5 and an aerobic reaction second zone 6, and also comprises:
the online detection instruments arranged in the aerobic reaction first zone 4 and the aerobic reaction second zone 6 can be dissolved oxygen meters or ORP meters, the air blowing device arranged in the equipment room 2 is connected with the online detection instruments and the air blowing device through the control cabinet device 29, the control cabinet device 29 can control the online detection instruments and the air blowing device and can ensure linkage of the online detection instruments and the air blowing device, and when the dissolved oxygen value detected by the dissolved oxygen meters in the air blowing device in the online detection instruments is lower than 2mg/L or the detection value of the ORP instruments is lower than +100mV, the air blowing device starts to blow and aerate to the aerobic reaction first zone and the aerobic reaction second zone;
or when the dissolved oxygen value detected by the dissolved oxygen meter in the online detection instrument of the blowing device is higher than 5mg/L or the detection value of the ORP meter is higher than +500mV, the blowing device stops running and can not blow air to aerate the aerobic reaction first zone 4 and the aerobic reaction second zone 6;
the second anoxic reaction zone 5 is internally provided with a sulfur autotrophic composite filler which can be honeycomb-shaped or hollow ceramic granules, the diameter range of the sulfur autotrophic composite filler is 2-20 mm, the porosity range of the sulfur autotrophic composite filler is 12-34%, the sulfur autotrophic load filler can remove the total nitrogen in the water body in the second anoxic reaction zone 5, and no additional carbon source is required to be added;
the sulfur autotrophic composite filler in the second anoxic reaction zone 5 can be composed of one substance at least comprising pyrite, siderite powder and sulfur powder;
a front overflow opening area and a rear overflow opening area are arranged in the second anoxic reaction area 5, grating nets are arranged in the front overflow opening area and the rear overflow opening area, the aperture of each grating net is not more than 2mm, and the grating nets can prevent the sulfur autotrophic composite filler in the second anoxic reaction area 5 from flowing out of the front overflow opening area or the rear overflow opening area;
the bottom of the inner side of the anoxic reaction first zone 3, the aerobic reaction first zone 4, the anoxic reaction second zone 5 and the aerobic reaction second zone 6 in the biochemical reaction unit zone is provided with an aeration pipe assembly, and the aeration pipe assembly can be one or the combination of more than one of a tubular aerator, a disc aerator, a jet aerator and a gas-liquid mixing device;
the solid-liquid reaction unit zone 7 can perform membrane separation or precipitation separation treatment on the mixed water body treated in the biochemical reaction unit zone, the membrane separation can use a microfiltration membrane or an ultrafiltration membrane, and the precipitation separation treatment can use one or more of inclined tube precipitation, inclined plate precipitation, vertical flow precipitation and natural precipitation;
the equipment room 2, the biochemical reaction unit area, the solid-liquid separation unit area 7 and the clear water disinfection area 8 can be connected and combined into a whole, or are spliced and connected into a whole after being subjected to modularized cutting separation;
the outer side of the upper portion of the clear water disinfection area 8 is provided with an outlet pipe 30, the outlet pipe 30 is provided with six electronically controlled valves and a water quality monitoring device, the six electronically controlled valves and the water quality monitoring device are connected with the control cabinet device 29 through wiring harnesses, when the water quality monitoring device detects that the water quality at the position of the water pipe 30 is qualified after reaching the standard, the control cabinet device 29 can indicate the six electronically controlled valves to be opened, and the water body in the clear water disinfection area 8 can be discharged through the outlet pipe 30.
Example 2:
referring to fig. 1 and 2, a main body part of an integrated low-energy consumption sewage treatment apparatus is the same as that of example 1 except that: in order that the control cabinet device 29 can control the opening or closing of the anoxic zone first air blowing device 9, the aerobic zone second air blowing device 10 and the corresponding electric control valves, the aerobic zone second air blowing device 10 can start to blow air into the aerobic reaction first zone and the aerobic reaction second zone for aeration when the dissolved oxygen value detected by the dissolved oxygen instrument in the online detection instrument is lower than 2mg/L or the detection value of the ORP instrument is lower than +100mV according to the relevant detection data of the online detection instrument; or when the dissolved oxygen value detected by a dissolved oxygen meter in the online detection instrument of the air blowing device is higher than 5mg/L or the detection value of an ORP meter is higher than +500mV, the second aerobic zone air blowing device 10 stops running and cannot blow air into the first aerobic reaction zone 4 and the second aerobic reaction zone 6 for aeration; the purposes of ensuring intermittent operation of the anoxic zone air blowing first device 9 and the aerobic zone air blowing second device 10 and accurately controlling aeration facilities in different areas are achieved, the anoxic zone air blowing first device 9, the aerobic zone air blowing second device 10 and the control cabinet device 29 are arranged in the equipment room 2, a PLC control system assembly is arranged in the control cabinet device 29, the anoxic zone air blowing first device 9 and the aerobic zone air blowing second device 10 are respectively connected with the PLC control system assembly through wire harnesses, and the PLC control system assembly can control starting or stopping of the anoxic zone air blowing first device 9 and the aerobic zone air blowing second device 10;
the anoxic zone first air blowing device 9 can be one or more of a Roots blower, a rotary blower, a vortex fan, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower, and the aerobic zone second air blowing device 10 can be one or more of a Roots blower, a rotary blower, a vortex fan, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower;
an anoxic reaction first water inlet pipe 16 is arranged in the anoxic reaction first area 3 in the biochemical reaction unit area, the anoxic reaction first water inlet pipe 16 can convey external sewage into the anoxic reaction first area 3, a water inlet connecting pipe 18 is arranged behind the anoxic reaction first water inlet pipe 16, an electric control four-valve 14 is arranged between the anoxic reaction first water inlet pipe 16 and the water inlet connecting pipe 18, and an anoxic reaction second water inlet pipe 17 is arranged at the tail end of the water inlet connecting pipe 18, and the electric control four-valve 14 can control the water inlet connecting pipe 18 and the anoxic reaction second water inlet pipe 17, so that a part of external sewage in the anoxic reaction first water inlet pipe 16 can enter the anoxic reaction second area 5 through the water inlet connecting pipe 18 and the anoxic reaction second water inlet pipe 17;
an anoxic main air pipe 21 is arranged in the anoxic reaction first zone 3, one end of the anoxic main air pipe 21 is connected with an anoxic zone blasting first device 9, an anoxic reaction first aeration pipe 19 is arranged on the anoxic main air pipe 21, and the anoxic reaction first aeration pipe 19 can aerate the anoxic reaction first zone 3;
the oxygen-poor main gas pipe 21 is provided with an electric control three-valve 13, the tail end of the oxygen-poor main gas pipe 21 is arranged in the oxygen-poor reaction second zone 5, and the electric control three-valve 13 can control whether the tail end of the oxygen-poor main gas pipe 21 aerates into the oxygen-poor reaction second zone 5;
an aerobic main air pipe 24 can be arranged above the anoxic reaction first zone 3 and the aerobic reaction first zone 4 in the biochemical reaction unit zone, one end of the aerobic main air pipe 24 is connected with an aerobic zone air blowing second device 10, an aerobic reaction first aeration pipe 22 and an aerobic reaction second aeration pipe 23 are arranged behind the aerobic main air pipe 24, the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23 are respectively positioned in the aerobic reaction first zone 4 and the aerobic reaction second zone 6, and the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23 can respectively aerate the aerobic reaction first zone 4 and the aerobic reaction second zone 6;
the front section of the aerobic main air pipe 24 is provided with an electrically controlled first valve 11, and the electrically controlled first valve 11 can control whether the aerobic main air pipe 24 supplies air to the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23;
an air inlet branch pipe connecting pipe 26 is arranged on the rear section part of the aerobic main air pipe 24, an electric control five-valve 15 is arranged on the air inlet branch pipe connecting pipe 26, the air inlet branch pipe connecting pipe 26 is positioned behind the joint of the aerobic reaction first aeration pipe 22 and the aerobic reaction second aeration pipe 23, the tail end of the air inlet branch pipe connecting pipe 26 can be connected with the upper part of the tail end of the anoxic main air pipe 21, and the electric control five-valve 15 can control whether the tail end of the air inlet branch pipe connecting pipe 26 is communicated with the tail end of the anoxic main air pipe 21;
the oxygen-poor main air pipe 21 and the aerobic main air pipe 24 can be communicated in the equipment room 2 through an air inlet main connecting pipe 25, an electric control two-valve 12 is arranged on the air inlet main connecting pipe 25, and the electric control two-valve 12 can control whether the oxygen-poor main air pipe 21 and the aerobic main air pipe 24 are communicated with each other in the equipment room 2;
a PLC control system component is arranged in the control cabinet device 29, and the PLC control system component in the control cabinet device 29 can be respectively connected with the first electric control valve 11, the second electric control valve 12, the third electric control valve 13, the fourth electric control valve 14 and the fifth electric control valve 15 through wiring harnesses to respectively control the opening or closing of the first electric control valve 11, the second electric control valve 12, the third electric control valve 13, the fourth electric control valve 14 and the fifth electric control valve 15;
finally, the first anoxic zone air blowing device 9 and the second aerobic zone air blowing device 10 are controlled through the control cabinet device 29, so that intermittent operation of the first anoxic zone air blowing device 9 and the second aerobic zone air blowing device 10 can be guaranteed, and the purpose of low-energy-consumption operation is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The integrated low-energy-consumption sewage treatment device comprises a sewage treatment reaction device shell, and a biochemical reaction unit area, a solid-liquid reaction unit area and a clear water disinfection area which are arranged in one end of the sewage treatment reaction device shell and can be used for installing and placing equipment rooms of different equipment and control cabinet devices, wherein the outer side of the equipment room in the sewage treatment reaction device shell is also provided with the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area, the biochemical reaction unit area, the solid-liquid reaction unit area and the clear water disinfection area are sequentially connected, the biochemical reaction unit area can carry out anoxic aerobic biochemical treatment on sewage, the solid-liquid reaction unit area can carry out membrane separation or precipitation separation treatment on mixed water bodies treated by the biochemical reaction unit area, the clear water disinfection area can carry out disinfection treatment on the water bodies treated by the solid-liquid reaction unit area to reach the standard so as to ensure that water bodies at an outlet of a water outlet pipeline in the clear water disinfection area to meet the standard discharge requirement, and the anoxic reaction unit area, The aerobic reaction first zone, the anoxic reaction second zone, the aerobic reaction second zone, its characterized in that still includes:
the online detection instruments are arranged in the aerobic reaction first zone and the aerobic reaction second zone, the online detection instruments can be dissolved oxygen meters or ORP meters, and the air blowing devices are arranged in the equipment room and are connected with the control cabinet device, the control cabinet device can control the online detection instruments and the air blowing devices and can ensure linkage of the online detection instruments and the air blowing devices, so that when the dissolved oxygen value detected by the dissolved oxygen meters in the air blowing devices is lower than 2mg/L or the detection value of the ORP meters is lower than +100mV, the air blowing devices start to blow air and aerate in the aerobic reaction first zone and the aerobic reaction second zone;
or when the dissolved oxygen value detected by the dissolved oxygen meter in the online detection instrument of the blowing device is higher than 5mg/L or the detection value of the ORP meter is higher than +500mV, the blowing device stops running and cannot blow air to aerate the aerobic reaction first zone and the aerobic reaction second zone.
2. The integrated low-energy consumption sewage treatment device according to claim 1, wherein the anoxic reaction zone II is internally provided with a sulfur autotrophic composite filler, the sulfur autotrophic composite filler can be honeycomb-shaped or hollow ceramic granules, the diameter range of the sulfur autotrophic composite filler is 2 mm-20 mm, the porosity range of the sulfur autotrophic composite filler is 12% -34%, and the sulfur autotrophic load filler can remove the total nitrogen in the water body in the anoxic reaction zone II without adding an additional carbon source.
3. The integrated low-energy consumption sewage treatment plant according to claim 2, wherein the sulfur autotrophic composite filler in the anoxic reaction zone two can be composed of at least one of pyrite, siderite powder and sulfur powder.
4. The integrated low-energy consumption sewage treatment device according to claim 2 or 3, wherein the anoxic reaction zone II is provided with a front flow port area and a rear flow port area, the front flow port area and the rear flow port area are both provided with grid nets, the pore diameters of the grid nets are not more than 2mm, and the grid nets can prevent the sulfur autotrophic composite filler in the anoxic reaction zone II from flowing out from the front flow port area or the rear flow port area.
5. The integrated low-energy-consumption sewage treatment plant according to claim 1, wherein an anoxic zone blowing device, an aerobic zone blowing device and a control cabinet device are arranged in the plant room, a PLC control system assembly is arranged in the control cabinet device, the anoxic zone blowing device and the aerobic zone blowing device are respectively connected with the PLC control system assembly through wire harnesses, and the PLC control system assembly can control the start or stop of the anoxic zone blowing device and the aerobic zone blowing device;
the first anoxic zone blowing device can be one or more of a Roots blower, a rotary blower, a vortex blower, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower, and the second aerobic zone blowing device can be one or more of a Roots blower, a rotary blower, a vortex blower, an electromagnetic aeration pump, an air suspension blower and a magnetic suspension blower;
be provided with an oxygen deficiency reaction inlet tube in the oxygen deficiency reaction district in the biochemical reaction unit district, oxygen deficiency reaction inlet tube can be with external sewage carry go into in the oxygen deficiency reaction district, oxygen deficiency reaction inlet tube is provided with the connecting pipe of intaking at the back, be provided with automatically controlled four valves between an oxygen deficiency reaction inlet tube and the connecting pipe of intaking, the end of the connecting pipe of intaking is provided with two inlet tubes of oxygen deficiency reaction, automatically controlled four valves can control the connecting pipe of intaking and two inlet tubes of oxygen deficiency reaction, make the external sewage in a part oxygen deficiency reaction inlet tube, can get into in two districts of oxygen deficiency reaction through the connecting pipe of intaking and two inlet tubes of oxygen deficiency reaction.
6. The integrated low-energy consumption sewage treatment device according to claim 5, wherein an anoxic main gas pipe is arranged in the anoxic reaction zone, one end of the anoxic main gas pipe is connected with an anoxic zone blowing device, and an anoxic reaction-aeration pipe is arranged on the anoxic main gas pipe and can aerate the anoxic reaction zone;
the oxygen-poor main gas pipe is provided with an electric control three-valve, the tail end of the oxygen-poor main gas pipe is arranged in the oxygen-poor reaction second area, and the electric control three-valve can control whether the tail end of the oxygen-poor main gas pipe aerates the oxygen-poor reaction second area.
7. The integrated sewage treatment plant with low energy consumption of claim 5, wherein an aerobic main gas pipe is further disposed above the anoxic reaction zone I and the aerobic reaction zone I in the biochemical reaction unit zone, one end of the aerobic main gas pipe is connected to the aerobic zone blowing device, an aerobic reaction first aeration pipe and an aerobic reaction second aeration pipe are disposed behind the aerobic main gas pipe, the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe are respectively disposed in the aerobic reaction zone I and the aerobic reaction zone II, and the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe are respectively used for aerating the aerobic reaction zone I and the aerobic reaction zone II;
the front section part of the aerobic main air pipe is provided with an electrically controlled valve which can control whether the aerobic main air pipe supplies air to the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe;
the rear section of the aerobic main gas pipe is provided with an air inlet branch pipe connecting pipe, the air inlet branch pipe connecting pipe is provided with five electrically controlled valves, the air inlet branch pipe connecting pipe is positioned behind the joint of the aerobic reaction first aeration pipe and the aerobic reaction second aeration pipe, the tail end of the air inlet branch pipe connecting pipe can be connected with the upper part of the tail end of the anoxic main gas pipe, and the five electrically controlled valves can control whether the tail end of the air inlet branch pipe connecting pipe is communicated with the tail end of the anoxic main gas pipe.
8. The integrated sewage treatment plant with low energy consumption according to claim 6 or 7, wherein the oxygen-poor main gas pipe and the aerobic main gas pipe can be communicated with each other in the plant room through an air inlet main connecting pipe, and an electrically controlled two-valve is arranged on the air inlet main connecting pipe and can control whether the oxygen-poor main gas pipe and the aerobic main gas pipe are communicated with each other in the plant room.
9. The integrated low-energy-consumption sewage treatment device according to claim 5, wherein the control cabinet device is internally provided with a PLC control system assembly, and the PLC control system assembly in the control cabinet device can be respectively connected with the first electrically-controlled valve, the second electrically-controlled valve, the third electrically-controlled valve, the fourth electrically-controlled valve and the fifth electrically-controlled valve through wiring harnesses to respectively control the first electrically-controlled valve, the second electrically-controlled valve, the third electrically-controlled valve, the fourth electrically-controlled valve and the fifth electrically-controlled valve to be opened or closed.
10. The integrated low-energy consumption sewage treatment device according to claim 1, wherein the inner bottoms of the anoxic reaction first zone, the aerobic reaction first zone, the anoxic reaction second zone and the aerobic reaction second zone in the biochemical reaction unit zone are provided with aeration pipe assemblies, and the aeration pipe assemblies can be one or more of a tubular aerator, a disc aerator, a jet aerator and a gas-liquid mixing device;
the solid-liquid reaction unit zone can carry out membrane separation or precipitation separation treatment on the mixed water body treated by the biochemical reaction unit zone, the membrane separation can use a microfiltration membrane or an ultrafiltration membrane, and the precipitation separation treatment can use one or more of inclined tube precipitation, inclined plate precipitation, vertical flow precipitation and natural precipitation;
the equipment room, the biochemical reaction unit area, the solid-liquid separation unit area and the clear water disinfection area can be connected and combined into a whole, or are separated by modularized cutting and then spliced and connected into a whole;
the upper portion outside in clear water disinfection district is provided with outlet conduit, is provided with automatically controlled six valves and water quality monitoring device on the outlet conduit, and automatically controlled six valves and water quality monitoring device all are connected with the switch board device through the pencil, and when water quality monitoring device detected out the quality of water pipeline department qualified up to standard, the switch board device can instruct automatically controlled six valves to open, and the water in the clear water disinfection district can be discharged through outlet conduit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103708685A (en) * | 2014-01-14 | 2014-04-09 | 黑龙江工程学院 | Multi-segmented enhanced sewage denitriding device for use in villages and small towns in cold regions and process control method |
| CN112520849A (en) * | 2020-11-13 | 2021-03-19 | 安徽环境科技集团股份有限公司 | Low-carbon-nitrogen-ratio high-ammonia-nitrogen sewage treatment process and system |
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