CN220745653U - Integrated domestic sewage treatment device - Google Patents
Integrated domestic sewage treatment device Download PDFInfo
- Publication number
- CN220745653U CN220745653U CN202322485942.0U CN202322485942U CN220745653U CN 220745653 U CN220745653 U CN 220745653U CN 202322485942 U CN202322485942 U CN 202322485942U CN 220745653 U CN220745653 U CN 220745653U
- Authority
- CN
- China
- Prior art keywords
- tank
- sewage treatment
- water
- anaerobic
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000000945 filler Substances 0.000 claims abstract description 40
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical class BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010802 sludge Substances 0.000 claims description 32
- 239000012528 membrane Substances 0.000 claims description 24
- 238000005273 aeration Methods 0.000 claims description 20
- 229910002651 NO3 Inorganic materials 0.000 claims description 19
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 19
- 238000005276 aerator Methods 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 12
- 238000000108 ultra-filtration Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 10
- 238000011001 backwashing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000000813 microbial effect Effects 0.000 abstract description 4
- 239000010452 phosphate Substances 0.000 abstract description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 4
- 239000002028 Biomass Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000007654 immersion Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
An integrated domestic sewage treatment device comprises a sewage treatment tank and a sewage pipeline, wherein the sewage treatment tank comprises an anaerobic tank, an anoxic tank, an aerobic tank, a facultative tank, an MBR tank, a clean water tank and a modified MBBR filler. Compared with the prior art, the method has the advantages that the positions of the modified MBBR fillers are fixed through the suspended filler bed, so that the microbial biomass and the treatment efficiency of the anaerobic reaction zone are greatly improved, the risk of filler scaling and blocking is effectively reduced, and the time period of efficient operation of the anaerobic tank is remarkably prolonged. Meanwhile, phosphate in sewage can be effectively removed through the high-efficiency dephosphorization filler arranged in the tank, so that the dephosphorization efficiency is further improved. Through setting up immersion type milipore filter subassembly for the mud load that milipore filter bore is lower relatively, effectively reduces the operation and maintenance cost of device. In addition, by arranging the integrated structure, the utility model can be integrally moved, thereby realizing the efficient utilization of equipment without being limited to a fixed place for sewage treatment.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an integrated domestic sewage treatment device.
Background
The village and town domestic sewage has the characteristics of uneven distribution, high collection difficulty, unstable water quality and water quantity, and the like, so that the treatment difficulty is high, and the effluent reaching standard rate is low. The main flow treatment process of the current village and town domestic sewage comprises A2O, secondary AO or 'A2O+constructed wetland', and the like, the treatment efficiency and the impact load resistance of a biochemical system are relatively low, and in the actual operation process, indexes such as ammonia nitrogen, total phosphorus, total nitrogen and the like are difficult to stably reach the design requirement due to fluctuation of water quality and water quantity.
According to the nitrogen and phosphorus removal device of the A2/O method with the patent number of CN201320864103.3, three different environmental conditions of anaerobism, hypoxia and aerobe are alternately operated in an A2/O process, and different types of microorganism flora such as phosphorus accumulating bacteria (PAO) denitrifying bacteria and nitrifying bacteria coexist in the same sludge system, aiming at the problem of insufficient carbon source in the traditional A2/O process, an anoxic tank is arranged in front, microorganisms in an anoxic section directly utilize influent organic matters as carbon sources, so that nitrate nitrogen denitrification caused by backflow sludge is realized, the problem that nitrate caused by the insufficient carbon sources enters an anaerobic zone to interfere with phosphorus release is solved, and the purposes of synchronous nitrogen and phosphorus removal are realized.
The biochemical system still adopting the traditional A2O technology has weak impact load resistance and unstable denitrification and dephosphorization effects, and the equipment is mostly fixed at a certain place and can only treat the sewage of the place where the equipment is built, and meanwhile, the membrane elements are easy to be polluted after the conventional MBR membrane bioreactor is operated for a period of time, so that the membrane flux is reduced, and the treatment capacity is also reduced.
Disclosure of Invention
In view of the above, the present utility model provides an integrated domestic sewage treatment apparatus that can solve the above problems.
An integrated domestic sewage treatment device comprises a sewage treatment tank and a sewage pipeline arranged on the sewage treatment tank, wherein the sewage treatment tank comprises an anaerobic tank, an anoxic tank arranged on the water outlet direction of the anaerobic tank, an aerobic tank arranged on the water outlet direction of the anoxic tank, an facultative tank arranged on the water outlet direction of the aerobic tank, an MBR tank arranged on the water outlet direction of the facultative tank, a clean water tank arranged on the water outlet direction of the MBR tank, and modified MBBR filler filled in the anaerobic tank, the anoxic tank and the aerobic tank. The anaerobic tank is internally provided with a suspended packed bed, a water distributor arranged at the bottom of the tank and a first baffle plate perpendicular to the water inlet and outlet flow direction. The suspended packed bed is characterized in that two permeable support plates are respectively fixed on a support welded with the pool wall. The water distributor is connected to the water inlet of the anaerobic tank. The first baffle plate is connected to the bottom of the pool and extends towards the top of the pool. The anoxic tank is characterized in that water enters from the bottom and water exits from the top. A nitrate reflux water outlet is arranged at the bottom of the anoxic tank. The aerobic tank is characterized in that water enters from the top and water exits from the top. The aerobic tank comprises a second baffle plate arranged near the water outlet and a water permeable plate connected between the second baffle plate and the tank wall. The second baffle plate is connected to the top of the aerobic tank, and the free end extends towards the bottom of the tank. The water permeable plate is arranged between the second baffle plate and the pool wall. The facultative tank is water inlet at the top and water outlet at the top. The MBR tank is internally provided with an overflow weir positioned at a water inlet, a dephosphorization reagent feeding port arranged at the top of the tank, a sludge discharging port arranged at the bottom of the tank and an immersed ultrafiltration membrane component arranged in the tank. The clean water tank is arranged at the tail end of the MBR tank. The sewage pipeline comprises a water inlet pipe in the water inlet direction of the anaerobic tank, a nitrate return pipe arranged between the facultative tank and the anoxic tank, a sludge return pipe arranged between the MBR tank, the facultative tank and the anaerobic tank, and a water outlet pipe arranged in the water outlet direction of the clean water tank.
Further, the sewage treatment tank is integrally formed and is made of carbon steel, stainless steel or PE material.
Further, a sludge reflux outlet is also arranged in the anaerobic tank, and the sludge reflux outlet is connected with the facultative tank.
Further, the facultative tank is provided with a third baffle plate, the facultative tank is divided into a facultative tank water inlet area and a facultative tank water outlet area through the third baffle plate, the third baffle plate is obliquely arranged at 75 degrees with the water flow direction, efficient dephosphorization filler is arranged in the facultative tank water inlet area, the filler filling rate is 10-20%, a permeable supporting plate and a support are arranged below the filler, nitrate return ports close to the tank top and sludge return ports close to the tank bottom are respectively arranged in the facultative tank water outlet area, the nitrate return ports are connected with the anoxic tank, and the sludge return ports are connected with the sludge return outlet.
Further, the membrane of the immersed ultrafiltration membrane component is made of PVDF, and the immersed ultrafiltration membrane component is also provided with a back flushing device, an on-line acid washing device and an on-line alkali washing device.
Further, a liquid level meter and an overflow port are arranged in the clean water tank.
Further, the filling rate of the modified MBBR filler in the anaerobic tank is 50-70%, the filling rate in the anoxic tank is 20-40%, and the filling rate in the aerobic tank is 30-50%.
Further, the integrated domestic sewage treatment device further comprises an equipment room which is arranged adjacent to the sewage treatment tank, wherein the equipment room is arranged on one side, far away from the facultative tank 14, of the MBR tank, an automatic control and remote control module, a membrane water producing pump, a membrane backwashing pump, a dephosphorization chemical adding device and an ultraviolet disinfection device are arranged inside the equipment room.
Further, the integrated domestic sewage treatment device further comprises an aeration device arranged in the sewage treatment tank, the aeration device comprises an aerator arranged at the bottom of the tank, an aeration fan arranged in the equipment room, and an aeration pipe connected with the aerator and the aeration fan, and the aerator is arranged at the bottom of the anoxic tank, the aerobic tank, the facultative tank and the MBR tank.
Compared with the prior art, the integrated domestic sewage treatment device provided by the utility model has the advantages that the anaerobic tank is arranged, the position of the modified MBBR filler is fixed through the suspended filler bed, so that the microbial biomass and the treatment efficiency of an anaerobic reaction zone are greatly improved, the risk of filler scaling and blocking is effectively reduced, and the time period of efficient operation of the anaerobic tank is obviously prolonged. Through setting up the third baffling board, not only can effectively reduce the impact of the dissolved oxygen that the good oxygen district water of producing water carried to denitrification system, through the high-efficient dephosphorization filler that sets up in the pond simultaneously, can also effectively get rid of the phosphate in the sewage, further improved the dephosphorization efficiency of system. Through setting up the submerged ultrafiltration membrane module for the mud load that the milipore filter bore is relatively lower, adopts the high performance milipore filter of dirt resistance ageing resistance in addition, under the stable condition up to standard of guaranteeing the play water, can also prolong the cleaning cycle and the life of ultrafiltration long membrane, effectively reduce the operation and maintenance cost of device. By setting the automatic control and remote control module, the running condition of the device can be monitored in real time in an online remote manner, and the running parameters of the device can be adjusted in a remote manner according to the feedback of online data information, so that the processing efficiency of the device is obviously improved, the running and maintenance management cost is obviously reduced, and the device meets the green, low-carbon and efficient design targets. In addition, by arranging the integrated structure, the utility model can be integrally moved, thereby realizing the efficient utilization of equipment without being limited to a fixed place for sewage treatment.
Drawings
Fig. 1 is a schematic top view of an integrated domestic sewage treatment device according to the present utility model.
Fig. 2 is a side view of an integrated domestic sewage treatment apparatus of fig. 1.
Fig. 3 is a schematic flow chart of an integrated domestic sewage treatment device of fig. 1.
Detailed Description
Specific embodiments of the present utility model are described in further detail below. It should be understood that the description herein of the embodiments of the utility model is not intended to limit the scope of the utility model.
Fig. 1 to 3 are schematic structural views of an integrated domestic sewage treatment device according to the present utility model. The integrated domestic sewage treatment apparatus comprises a sewage treatment tank 10, a sewage pipeline 20 arranged on the sewage treatment tank 10, an equipment room 30 arranged adjacent to the sewage treatment tank 10, and an aeration device 40 arranged in the sewage treatment tank 10. It is conceivable that the integrated domestic sewage treatment apparatus further includes other functional modules such as a power connection device, an automatic control system, etc., which are known to those skilled in the art, and will not be described herein.
The sewage treatment tank 10 is integrally formed and is a movable reaction tank made of carbon steel, stainless steel or PE (polyethylene) materials and the like, so that the sewage treatment tank is convenient to transport and quickly install to a place where sewage treatment is required to be performed for sewage treatment operation. The sewage treatment tank 10 comprises an anaerobic tank 11, an anoxic tank 12 arranged in the water outlet direction of the anaerobic tank 11, an aerobic tank 13 arranged in the water outlet direction of the anoxic tank 12, a facultative tank 14 arranged in the water outlet direction of the aerobic tank 13, an MBR tank 15 arranged in the water outlet direction of the facultative tank 14, a clean water tank 16 arranged in the water outlet direction of the MBR tank 15, and a modified MBBR packing 17 filled in the anaerobic tank 11, the anoxic tank 12 and the aerobic tank 13.
The anaerobic tank 11 is internally provided with a suspended packed bed 111, a water distributor 112 arranged at the bottom of the tank and a first baffle plate 113 arranged perpendicular to the water inlet and outlet flow direction. The suspended filler bed 111 is formed by fixing two permeable support plates on a support welded with a tank wall respectively, so that the modified MBBR filler 17 is filled in the suspended filler bed 111 and is driven to flow in a suspended manner by the rising flow rate of inflow water, and the filler is prevented from scaling. The upper permeable supporting plate arranged far away from the water distributor 112 is connected with the support by a fastener so as to facilitate the replacement of the modified MBBR packing 17 filled in the suspended packing bed 111. The water distributor 112 is connected to the water inlet of the anaerobic tank 11 to uniformly flow water so as to make the reaction faster. The first baffle 113 is disposed at the water outlet of the anaerobic tank 11, and is a plate for changing the flow direction of the fluid, which is known in the art, and therefore the material and function thereof will not be described in detail. The first baffle plate 113 is connected to the bottom of the tank and extends towards the top of the tank to form a baffle plate for blocking the front of the water outlet, so that the tank body is divided into a suspended packed bed treatment area and a water outlet area by the first baffle plate 113, and the water outlet is blocked by preventing sludge from accumulating while lengthening the flow channel. The middle part of the water outlet area is also provided with a sludge reflux outlet 114, and the sludge reflux outlet 114 is connected with the facultative tank 14.
The anoxic tank 12 is characterized in that water enters from the bottom and water exits from the top, and the modified MBBR packing 17 is added into the tank. The water inlet end and the water outlet end are both provided with a water permeable net 121 to prevent loss of the filler. A nitrate reflux water outlet 122 is arranged at the bottom of the anoxic tank 12 and is used for connecting the facultative tank 14 and carrying out nitrate reflux.
The aerobic tank 13 is characterized in that water enters from the top and water exits from the top, and the modified MBBR packing 17 is added into the tank. The aerobic tank 13 comprises a second baffle plate 131 arranged near the water outlet, and a water permeable plate 132 connected between the second baffle plate 131 and the tank wall. The second baffle plate 131 is connected to the top of the aerobic tank 13, and the free end extends towards the bottom of the tank to form a baffle plate in front of the water outlet, so that the water outlet is blocked by sludge accumulation while the flow channel is lengthened. The water permeable plate 132 is a plate with water permeable and filtering function, and is a conventional technology widely used in building materials, such as sand-based water permeable plates, and the material and function thereof will not be described herein. The water permeable plate 132 is disposed between the second baffle 131 and the tank wall for preventing the loss of packing.
The facultative tank 14 is top water inlet and top water outlet, and is provided with a third baffle 141, and the facultative tank 14 is divided into a facultative tank water inlet area 142 and a facultative tank water outlet area 143 by the third baffle 141. The third baffle 142 is disposed at an angle of 75 ° to the direction of water flow for separating the facultative tank 14. The facultative tank water inlet area 142 is internally provided with high-efficiency dephosphorization filler, the filling rate of the filler is 10-20%, a permeable supporting plate and a support are arranged below the filler, the high-efficiency dephosphorization filler is special-purpose dephosphorization filler, the specific surface area of the filler is large, and the surface is coated with Fe/Mn oxide, so that phosphate substances in water can be efficiently enriched. Nitrate return ports 1431 near the top of the facultative tank and sludge return ports 1432 near the bottom of the facultative tank are respectively arranged in the facultative tank water outlet area 143. The nitrate return port 1431 is connected to the anoxic tank 12 to return nitrate. The sludge return port 1432 is connected to the sludge return outlet 114 to return sludge to the anaerobic tank 11.
The MBR tank 15 is internally provided with an overflow weir 151 positioned at a water inlet, a dephosphorization agent feeding port 152 arranged at the top of the tank, a sludge discharging port 153 arranged at the bottom of the tank and an immersed ultrafiltration membrane component 154 arranged in the tank. The overflow weir 151 is positioned at the water inlet near the top of the tank, and has the functions of maintaining the upper liquid layer and uniformly overflowing the liquid. The dephosphorization reagent feeding port 152 is arranged at the top of the MBR tank 15 and is used for feeding the dephosphorization reagent. The sludge discharge port 153 is provided at the bottom of the MBR tank 15 for discharging sludge in the tank. The membrane of the immersed ultrafiltration membrane assembly 154 is made of PVDF, the immersed ultrafiltration membrane assembly 154 is further provided with a back washing device, an on-line acid washing device and an on-line alkali washing device, the above washing devices are all known in the prior art and should be known to those skilled in the art, so they are not specifically shown in the drawings, only the description is made in the specification, the back washing device uses water-producing washing, the acid washing device can use citric acid, dilute hydrochloric acid solution, etc., and the alkali washing device uses NaOH and NaClO solution.
The clean water tank 16 is disposed at the end of the MBR tank 15, and is used for storing the produced water of the immersed ultrafiltration membrane assembly 154, and can also be used as a water storage device for online cleaning. Accordingly, the clean water tank 16 is provided with a level gauge and an overflow port for controlling the water level in the tank, and the above structures are all widely used in the prior art of water storage devices, so only a brief description will be given here.
The modified MBBR filler 17 is based on the use of MBBR filler, and by using, for example, mineral filler as filler and modifier, not only can the raw material cost of plastic products be significantly reduced, but also the properties of plastics can be effectively improved. MBBR filler is a microbial carrier applied in MBBR technology, mainly providing an environment suitable for the growth of microorganisms. The above-mentioned techniques are widely used in the field of water purification technology, and should be known to those skilled in the art, and therefore, only a brief description thereof will be given herein. The filling rate of the modified MBBR packing 17 in the anaerobic tank 11 is 50-70%, the filling rate in the anoxic tank 12 is 20-40%, and the filling rate in the aerobic tank 13 is 30-50%.
The sewage line 20 includes a water inlet pipe 21 in the water inlet direction of the anaerobic tank 11, a nitrate return pipe 22 provided between the facultative tank 14 and the anoxic tank 12, a sludge return pipe 23 provided between the MBR tank 15, the facultative tank 14 and the anaerobic tank 11, and a water outlet pipe 24 provided in the water outlet direction of the clean water tank 16. One end of the nitrate return pipe 22 is connected to the nitrate return water outlet 122, and the other end is connected to the nitrate return port 1431, so as to perform nitrate return. The sludge return pipe 23 is connected to the sludge return port 1432, the sludge return outlet 114, and the sludge discharge port 153, respectively, so as to return sludge in the facultative tank 14, return part of sludge in the MBR tank 15, and discharge the rest of sludge.
The equipment room 30 is arranged on one side of the MBR pool far away from the facultative tank 14, and is internally provided with a self-control and remote control module 31, a membrane water producing pump 32, a membrane backwashing pump 33, a dephosphorization and chemical adding device 34, an ultraviolet disinfection device 35 and other corresponding matched equipment, which are not listed here, are all widely used prior art, and are well known to those skilled in the art, so that only the illustration and the detailed description are made here. The self-control and remote control module 31 can be executed and completed by a programmed program, which can be executed by using an existing computer program such as VB, VC, etc. as long as the person skilled in the art knows the working principle of the present utility model, and therefore, these computer programs should be the existing technologies themselves.
The aeration device 40 comprises an aerator 41 arranged at the bottom of the tank, an aeration fan 42 arranged outside the tank, and an aeration pipe 43 connecting the aerator 41 and the aeration fan 42. The aerator 41 may be a tube, a disc or a perforated aerator pipe, and the aeration fan 42 are well known in the art, and will not be described in detail herein. The aerator 41 is arranged at the bottom of the anoxic tank 12, the aerobic tank 13, the facultative tank 14 and the MBR tank 15 to perform aeration in the tanks. The aeration fan 42 is provided in the equipment room 30 and connected to each of the aerators 41 through the aeration pipe 43, thereby performing aeration operation.
Compared with the prior art, the integrated domestic sewage treatment device provided by the utility model has the advantages that the anaerobic tank 11 is arranged, the position of the modified MBBR filler 17 is fixed through the suspended filler bed 111, so that the microbial biomass and the treatment efficiency of an anaerobic reaction zone are greatly improved, the risk of filler scaling and blocking is effectively reduced, and the time period of efficient operation of the anaerobic tank is obviously prolonged. Through setting up the third baffle 142, not only can effectively reduce the impact of the dissolved oxygen that the good oxygen district water of producing water carried to denitrification system, through the high-efficient dephosphorization filler that sets up in the pond simultaneously, can also effectively get rid of the phosphate in the sewage, further improved the dephosphorization efficiency of system. Through setting up immersion type milipore filter subassembly 154 for the mud load that milipore filter bore is lower relatively, adopts the high performance milipore filter of dirt resistance ageing resistance in addition, under the stable condition up to standard of guaranteeing the play water, can also prolong the cleaning cycle and the life of ultrafiltration long membrane, effectively reduce the operation and maintenance cost of device. By setting the automatic control and remote control module 31, the running state of the device can be monitored in real time on line, and the running parameters of the device can be adjusted in a remote mode according to the feedback of the on-line data information, so that the processing efficiency of the device is obviously improved, the running and maintenance management cost is obviously reduced, and the device meets the green, low-carbon and efficient design targets. In addition, by arranging the integrated structure, the utility model can be integrally moved, thereby realizing the efficient utilization of equipment without being limited to a fixed place for sewage treatment.
The above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions or improvements within the spirit of the present utility model are intended to be covered by the claims of the present utility model.
Claims (9)
1. An integrated domestic sewage treatment device which is characterized in that: the integrated domestic sewage treatment device comprises a sewage treatment tank and a sewage pipeline arranged on the sewage treatment tank, wherein the sewage treatment tank comprises an anaerobic tank, an anoxic tank arranged on the water outlet direction of the anaerobic tank, an aerobic tank arranged on the water outlet direction of the anoxic tank, an facultative tank arranged on the water outlet direction of the aerobic tank, an MBR tank arranged on the water outlet direction of the facultative tank, a clean water tank arranged on the water outlet direction of the MBR tank, and modified MBBR filler filled in the anaerobic tank, the anoxic tank and the aerobic tank, a suspended filler bed arranged in the anaerobic tank, a water distributor arranged at the bottom of the anaerobic tank, and a first baffle plate arranged perpendicular to the water inlet and outlet flow direction, the suspended filler bed is formed by respectively fixing two permeable supporting plates on supports welded with the tank walls, the water distributor is connected to the water inlet of the anaerobic tank, the first baffle plate is connected to the bottom of the tank and extends towards the top of the tank, the anoxic tank is water inlet at the bottom and water outlet at the top, a nitrate backflow water outlet is arranged at the bottom of the anoxic tank, the aerobic tank is water inlet at the top and water outlet at the top, the aerobic tank comprises a second baffle plate arranged near the water outlet, a water permeable plate connected between the second baffle plate and the tank wall, the second baffle plate is connected to the top of the aerobic tank, the free end extends towards the bottom of the tank, the water permeable plate is arranged between the second baffle plate and the tank wall, the facultative tank is water inlet at the top and water outlet at the top, an overflow weir arranged at the water inlet is arranged in the MBR tank, a dephosphorization agent feeding port arranged at the top of the tank, the sewage pipeline comprises a water inlet pipe in the water inlet direction of the anaerobic tank, a nitrate return pipe arranged between the facultative tank and the anoxic tank, a sludge return pipe arranged between the MBR tank, the facultative tank and the anaerobic tank and a water outlet pipe arranged in the water outlet direction of the clean water tank.
2. The integrated domestic sewage treatment device of claim 1, wherein: the sewage treatment tank is integrally formed and is made of carbon steel, stainless steel or PE material.
3. The integrated domestic sewage treatment device of claim 1, wherein: the anaerobic tank is also internally provided with a sludge reflux outlet which is connected with the facultative tank.
4. The integrated domestic sewage treatment device of claim 1, wherein: the anaerobic treatment device is characterized in that a third baffle plate is arranged in the anaerobic pond and divides the anaerobic pond into a anaerobic pond water inlet area and a anaerobic pond water outlet area through the third baffle plate, the third baffle plate is obliquely arranged at an angle of 75 degrees with the water flow direction, efficient dephosphorization filler is arranged in the anaerobic pond water inlet area, the filler filling rate is 10-20%, a permeable support plate and a support are arranged below the filler, nitrate reflux ports close to the pond top and sludge reflux ports close to the pond bottom are respectively arranged in the anaerobic pond water outlet area, and the nitrate reflux ports are connected with the anoxic pond and the sludge reflux ports.
5. The integrated domestic sewage treatment device of claim 1, wherein: the membrane of the immersed ultrafiltration membrane component is made of PVDF, and the immersed ultrafiltration membrane component is also provided with a back flushing device, an on-line acid washing device and an on-line alkali washing device.
6. The integrated domestic sewage treatment device of claim 1, wherein: and a liquid level meter and an overflow port are arranged in the clean water tank.
7. The integrated domestic sewage treatment device of claim 1, wherein: the filling rate of the modified MBBR filler in the anaerobic tank is 50-70%, the filling rate in the anoxic tank is 20-40%, and the filling rate in the aerobic tank is 30-50%.
8. The integrated domestic sewage treatment device of claim 1, wherein: the integrated domestic sewage treatment device further comprises an equipment room which is arranged adjacent to the sewage treatment tank, wherein the equipment room is arranged on one side, far away from the facultative tank, of the MBR tank, an automatic control and remote control module, a membrane water producing pump, a membrane backwashing pump, a dephosphorization chemical adding device and an ultraviolet disinfection device are arranged inside the equipment room.
9. The integrated domestic sewage treatment device of claim 8, wherein: the integrated domestic sewage treatment device further comprises an aeration device arranged in the sewage treatment tank, the aeration device comprises an aerator arranged at the bottom of the tank, an aeration fan arranged in the equipment room, and an aeration pipe connected with the aerator and the aeration fan, and the aerator is arranged at the bottom of the anoxic tank, the aerobic tank, the facultative tank and the MBR tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485942.0U CN220745653U (en) | 2023-09-13 | 2023-09-13 | Integrated domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485942.0U CN220745653U (en) | 2023-09-13 | 2023-09-13 | Integrated domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745653U true CN220745653U (en) | 2024-04-09 |
Family
ID=90548884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322485942.0U Active CN220745653U (en) | 2023-09-13 | 2023-09-13 | Integrated domestic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745653U (en) |
-
2023
- 2023-09-13 CN CN202322485942.0U patent/CN220745653U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111675435A (en) | Integrated sewage treatment equipment based on A/O-MBBR (anaerobic-anoxic-aerobic-moving bed biofilm reactor) process and sewage treatment method | |
| CN102452768A (en) | Denitrifying phosphorus removal-anammox-shortcut nitrification integrated baffled reaction equipment | |
| CN102775024B (en) | Sewage treatment device | |
| CN208166683U (en) | A kind of gravity reflux formula integrated energy-saving sewage treatment device | |
| CN217479275U (en) | Distributed sewage treatment device | |
| CN111302495A (en) | Villages and small towns sewage treatment's deep bed multiplication MBR reactor | |
| CN105984991B (en) | A kind of sewerage advanced treatment process | |
| CN220745653U (en) | Integrated domestic sewage treatment device | |
| CN213202515U (en) | IFAS-MBR sewage advanced treatment unit | |
| CN110950489A (en) | Intelligent integrated treatment equipment and process for domestic sewage in expressway service area | |
| CN213865851U (en) | Domestic sewage treatment station | |
| CN212640237U (en) | Double-membrane integrated sewage treatment equipment | |
| CN212127901U (en) | Sequencing batch type composite nitrogen and phosphorus removal sewage treatment device | |
| CN103819062A (en) | MBR (membrane biological reactor) sewage treatment equipment for integrated fluidizing pool | |
| CN210394072U (en) | Intelligent integrated treatment equipment for domestic sewage in expressway service area | |
| CN209940749U (en) | Optimized combined system for urban domestic sewage treatment | |
| CN208361986U (en) | Nitrogen and phosphorus removal bio purifies sewage treatment efficient backflow system | |
| CN107963782B (en) | Biological contact oxidation reaction system with enhanced denitrification function | |
| CN201272715Y (en) | Integrated membrane biological sewage treatment device | |
| CN204752324U (en) | Sewage continuous flow AO biochemical reactions and static integrated device that deposits of mud | |
| CN218931900U (en) | Integrated high-efficiency sewage treatment device | |
| CN211972069U (en) | Energy-efficient sewage treatment system | |
| CN217578621U (en) | Bury formula facultative biomembrane sewage treatment plant entirely | |
| CN218968975U (en) | Biological filter | |
| CN213112950U (en) | Integrated treatment device for urban domestic sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |