CN113860631B - Energy-saving and carbon-reducing integrated domestic sewage treatment device - Google Patents
Energy-saving and carbon-reducing integrated domestic sewage treatment device Download PDFInfo
- Publication number
- CN113860631B CN113860631B CN202111043264.1A CN202111043264A CN113860631B CN 113860631 B CN113860631 B CN 113860631B CN 202111043264 A CN202111043264 A CN 202111043264A CN 113860631 B CN113860631 B CN 113860631B
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- tank
- upflow
- module
- carbon
- 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
Images
Classifications
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/005—Combined electrochemical biological processes
-
- 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
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- 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)
- Fuel Cell (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an energy-saving and carbon-reducing integrated domestic sewage treatment device, which comprises a sewage treatment module, a waste gas treatment module and a ventilation treatment module; the sewage treatment module comprises a cut-off sedimentation regulating tank, an up-flow anaerobic biofilter, an up-flow single-chamber microbial fuel cell treatment tank and a sedimentation tank which are sequentially connected in series; the waste gas treatment module comprises a Chinese character 'hui' gallery-shaped waste gas treatment device fixedly arranged at the top end in the upflow anaerobic biological filter; the ventilation treatment module comprises a first ventilation treatment device fixed at the top end in the upflow single-chamber microbial battery and a second ventilation treatment device fixed at the top end in the sedimentation tank. All parts of the invention are arranged in a modularized way, so that the prefabricated assembly type integration can be realized, and the advanced sewage treatment, energy utilization and effective waste gas purification can be realized when the device is used; the method can be used for sewage treatment plants, residential areas, parks and public building areas, and has a wide application range.
Description
Technical Field
The invention relates to the technical field of environmental engineering and sewage treatment, in particular to an energy-saving and carbon-reducing integrated domestic sewage treatment device.
Background
With the development of economy, the process of urbanization is continuously accelerated in recent years, the harm brought by environmental pollution is increasingly shown, in recent years, the national treatment on the environmental pollution is highly emphasized, under the new situation that the problem of the water environmental pollution is increasingly prominent, the sewage treatment is enhanced, and the method has important significance for solving the problems of water resource shortage, serious water pollution and the like in China at present. However, when the existing domestic sewage treatment equipment is used, the treatment process is complex, the excess sludge is inconvenient to discharge during treatment, the treatment efficiency is low, the occupied area is large, and in the existing process, the nitrification liquid in the aerobic tank flows back to the anoxic tank, so that the denitrification can not be efficient and thorough, the sewage treatment effect is influenced, and the odor generated by the anaerobic treatment is uncomfortable; meanwhile, a large amount of aeration equipment and lift pumps are used, the energy consumption is high, the current 'carbon neutralization' theme is not met, and the energy-saving and carbon-reducing low-energy-consumption sewage treatment process needs to be developed urgently.
Therefore, anaerobic biofilters and microbial fuel cells for sewage treatment appear in the prior art, wherein the anaerobic biofilters have the advantages of high load, no need of sludge backflow and the like, operation and maintenance management are convenient, but the quality of effluent water still needs subsequent treatment, and the microbial fuel cell process has a good sewage treatment effect, and can convert biological energy into electric energy by degrading pollutants with microorganisms as catalysts. The noble metal doped transition metal is loaded on the cathode as a catalyst, and can realize the high-selectivity reduction of nitrate into nitrogen at the cathode, but the development of the method is limited by the defects of low electricity generation efficiency, unstable load and the like, so that the two processes are also in need of improvement.
Disclosure of Invention
The invention aims to solve the technical problems of complex maintenance, high energy consumption, serious peculiar smell and the like of the sewage treatment process commonly existing in the prior art; the energy-saving and carbon-reducing integrated domestic sewage treatment device is provided to realize advanced treatment of sewage and effective purification of waste gas, reduce energy consumption during sewage treatment and achieve the effects of energy saving and carbon reduction.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy-saving and carbon-reducing integrated domestic sewage treatment device comprises a sewage treatment module, a waste gas treatment module and a ventilation treatment module;
the sewage treatment module comprises a cut-off sedimentation regulating tank, an up-flow anaerobic biofilter, an up-flow single-chamber microbial fuel cell treatment tank and a sedimentation tank which are sequentially connected in series; the upflow anaerobic biological filter is internally and detachably provided with a filter material module, the interior of the filter membrane module is fixedly provided with an electricity generating device, the interior of the upflow single-chamber microbial fuel cell treatment tank is fixedly provided with a fuel cell module and an electricity storage module which is electrically connected with the fuel cell module, the fuel cell module comprises a fuel cell anode assembly, a light floating material layer and a fuel cell cathode assembly which are sequentially arranged from bottom to top, and the fuel cell anode assembly is electrically connected with the electricity generating device;
the invention forms the composite anode by electrically connecting the power generation device arranged in the upflow anaerobic biological filter with the fuel cell anode component of the fuel cell module in the upflow single-chamber microbial fuel cell treatment tank, and can effectively improve the power generation quantity of the fuel cell module when in use.
On the basis of the technical scheme, the invention can be further improved as follows.
As a preferable technical scheme of the invention, a first water inlet pipe is arranged on one side wall of the intercepting and settling adjusting tank far away from the upflow anaerobic biological filter, a sewage intercepting component is arranged in the intercepting and settling adjusting tank and at a position corresponding to the lower part of the first water inlet pipe, the sewage intercepting component comprises a thick grating and a thin grating which are sequentially detachably clamped in the intercepting and settling adjusting tank from top to bottom, a slag cleaning port is arranged at the end part of the top end of the intercepting and settling adjusting tank, the inner side wall of the bottom end of the intercepting and settling adjusting tank is of a conical structure, and a first sludge discharge port is also arranged at the bottom end of the intercepting and settling adjusting tank.
Adopt above-mentioned preferred technical scheme's beneficial effect is, can carry out secondary filtration to the sewage that gets into in the sedimentation equalizing basin through the dirty subassembly of cutting that sets up, reduce the quantity of the inside big piece impurity of sewage of sedimentation equalizing basin, the bottom inside wall that simultaneously cuts off the sedimentation equalizing basin adopts the toper structure setting can be convenient for cut off the inside mud that deposits of sedimentation equalizing basin and discharge from first mud discharging port fast.
As a preferred technical scheme of the invention, the upflow anaerobic biological filter is communicated with the interception and sedimentation regulating tank through a regulating zone water outlet, the regulating zone water outlet is lower than the first water inlet pipe in height in the horizontal direction, one end of the regulating zone water outlet corresponding to the upflow anaerobic biological filter is connected with a second water inlet pipe, one end of the second water inlet pipe far away from the regulating zone water outlet penetrates and extends to the lower part of the filter material module, a gas distribution coarse filter layer is detachably connected in the upflow anaerobic biological filter and at a position corresponding to the upper part of the regulating zone water outlet, the gas distribution coarse filter layer comprises an upper screen plate, a gravel filling layer and a lower screen plate which are sequentially arranged from top to bottom, a first light impeller electrically connected with the electricity storage module is fixedly arranged in the upflow anaerobic biological filter and at a position corresponding to the lower part of the filter material module, the bottom end of the inner side wall of the upflow anaerobic biological filter is of an arc structure, and the bottom end of the upflow anaerobic biological filter is further provided with a second sludge discharge port.
The beneficial effects of adopting the above preferred technical scheme are that the first light impeller is driven to rotate by adopting the electric energy in the electricity storage module, so that the energy can be recycled, no additional power equipment is needed when the device is applied, and the effects of energy saving and carbon reduction are achieved; simultaneously when using, first light impeller rotates and cooperates the circular arc structure of upflow anaerobism filtering pond bottom to make inside sewage of upflow anaerobism filtering pond be inside the whirl state gets into the filter material module to help the renewal of anaerobism filter membrane, prevent that the filter material module from blockking up, simultaneously, guarantee that the anaerobism filter membrane that drops is under the drive of first light impeller, by centrifugal force get rid of to the bottom of the pool of upflow anaerobism filtering pond.
As a preferred technical scheme of the present invention, the upflow single-chamber microbial fuel cell treatment tank is communicated with the upflow anaerobic biological filter through a filter outlet, the height of the filter outlet in the horizontal direction is lower than the height of the adjustment region outlet in the horizontal direction, one end of the filter outlet corresponding to the upflow single-chamber microbial fuel cell treatment tank is connected with a third water inlet pipe, one end of the third water inlet pipe, which is far away from the filter outlet, penetrates and extends to the lower part of the fuel cell module, a second light impeller electrically connected with the electricity storage module is fixedly arranged in the upflow single-chamber microbial fuel cell treatment tank and at a position corresponding to the lower part of the fuel cell module, the inner side wall of the bottom end of the upflow single-chamber microbial fuel cell treatment tank is of an arc structure, and the bottom end of the upflow single-chamber microbial fuel cell treatment tank is further provided with a third sludge discharge port.
The beneficial effect of adopting the above preferred technical scheme is that the second light impeller is driven to rotate by adopting the electric energy in the electricity storage module, so that the energy can be recycled, no additional power equipment is needed when the device is applied, and the effects of energy saving and carbon reduction are achieved; and when the device is used, the second light impeller rotates and is matched with the circular arc structure at the bottom end of the upflow anaerobic biofilter, so that sewage in the upflow single-chamber microbial fuel cell treatment tank enters the fuel cell module in a rotational flow state, the disturbance of ions in the fuel cell module is increased, and the electricity generation quantity of the fuel cell module is provided.
As a preferable technical scheme of the invention, the sedimentation tank is communicated with the upflow single-chamber microbial fuel cell treatment tank through a fuel cell water outlet and an air vent which are sequentially arranged from bottom to top, the height of the fuel cell water outlet in the horizontal direction is consistent with the height of the filter water outlet in the horizontal direction, a sedimentation tank water outlet is arranged on one side wall of the sedimentation tank, which is far away from the upflow single-chamber microbial fuel cell treatment tank, the height of the sedimentation tank water outlet in the horizontal direction is lower than the height of the filter water outlet in the horizontal direction, the inner side wall of the bottom end of the sedimentation tank is of an arc-shaped structure, and a fourth sludge discharge port is further arranged at the bottom end of the sedimentation tank.
Adopt above-mentioned preferred technical scheme's beneficial effect to be, set up the sedimentation tank bottom inside wall into convex structure and be favorable to the fourth mud discharging mouth to discharge the inside mud that deposits of sedimentation tank.
As a preferred technical scheme of the invention, the electricity generating device comprises a plurality of carbon felt composite electrodes which are sequentially arranged, and two adjacent carbon felt composite electrodes are connected through a stainless steel screen; the fuel cell module is characterized by further comprising a light float material layer arranged between the fuel cell anode assembly and the fuel cell cathode assembly, wherein the fuel cell anode assembly comprises a carbon felt composite electrode, two first filter plates arranged above and below the carbon felt composite electrode respectively and first active carbon filled between the carbon felt composite electrode and the first filter plates, one end, close to the power generation device, of the carbon felt composite electrode is connected with a first copper wire which is electrically connected with the power generation device, a polymer organic small ball is filled inside the light float material layer, the fuel cell cathode assembly comprises a Cu-Pb-doped composite electrode, two second filter plates arranged above and below the Cu-Pb-doped composite electrode respectively and second active carbon filled between the Cu-Pb-doped composite electrode and the second filter plates, the power storage module comprises a power storage box and a resistor connected with the power storage box in parallel, and the carbon felt composite electrode, the resistor and the Cu-Pb-doped composite electrode are sequentially connected through insulated wires.
The beneficial effects of adopting the above preferred technical scheme are that the organic polymer beads filled in the light floating material layer have a larger specific surface area, which is convenient for the microorganism to form a membrane, and the floating material beads fluctuate under the hydraulic impact, which is beneficial to the mass transfer between the anode and the cathode, thereby improving the electricity production of the fuel cell module.
As a preferred technical scheme of the invention, the waste gas treatment module comprises a Chinese character 'hui' gallery-shaped waste gas treatment device fixedly arranged at the top end inside the upflow anaerobic biological filter, the Chinese character 'hui' gallery-shaped waste gas treatment device comprises a first functional filter material, a full mesh bearing plate fixed at the bottom end of the first functional filter material and a plurality of local mesh bearing plates uniformly distributed along the height direction of the first functional filter material, a plurality of first exhaust seats penetrating and extending out of the top end of the upflow anaerobic biological filter are arranged at the top end of the first functional filter material, vent holes are formed in one end of each local mesh bearing plate, and vent holes in two adjacent local mesh bearing plates are respectively arranged at two opposite ends.
Adopt above-mentioned preferred technical scheme's beneficial effect is, the inside renewable function filter material that fills of word corridor shape exhaust treatment device that sets up, waste gas carries out the adsorption treatment through the treatment channel who is word corridor shape when using, has effectively increased the processing time of waste gas to can effectual improvement to the treatment effect of the inside waste gas of upflow anaerobism biological filter.
As a preferred technical scheme of the invention, the ventilation treatment module comprises a first ventilation treatment device fixed at the top end inside the upflow single-chamber microbial battery and a second ventilation treatment device fixed at the top end inside the sedimentation tank; the first ventilation treatment device comprises a second functional filter material and a second full-mesh bearing plate fixed at the bottom end of the second functional filter material, and a second ventilation seat penetrating through and extending out of the top end of the upflow single-chamber microbial fuel cell treatment pool is arranged at the top end of the second functional filter material; the second ventilation processing apparatus includes third function filter material and fixed the third full mesh bearing board that sets up in third function filter material bottom tip, be equipped with on the lateral wall of third function filter material and run through and extend the outside vent of sedimentation tank.
Adopt above-mentioned preferred technical scheme's beneficial effect to be, through the first ventilation processing module and the second processing module that set up make upflow single-chamber microbial fuel cell processing pond and sedimentation tank can have the effect of ventilation and removing the peculiar smell concurrently when need not to assemble aeration equipment, provide oxygen for the fuel cell negative pole simultaneously, the energy consumption is low and the practicality is high.
As a preferable technical scheme of the invention, maintenance access ports are arranged at the positions, corresponding to the Chinese character 'hui' gallery-shaped waste gas treatment device, on the side wall of the upflow type single-chamber microbial fuel cell treatment tank, at the positions, corresponding to the electricity storage module and the first ventilation treatment device, on the side wall of the upflow type anaerobic biological filter tank and corresponding to the second ventilation treatment device on the side wall of the sedimentation tank.
Adopt above-mentioned preferred technical scheme's beneficial effect to be, make the maintenance of above-mentioned part overhaul convenient and fast more through the maintenance access hole that sets up.
The invention has the beneficial effects that:
1. the sewage treatment module and the waste gas treatment module are arranged, so that the treatment device has a water treatment function and a waste gas treatment function when being applied, and meanwhile, each functional structure is arranged in a modularized manner, so that the treatment device is more convenient and faster to assemble when being applied;
2. the upflow anaerobic biological filter and the upflow single-chamber microbial fuel cell treatment tank which are arranged in the invention enable the treatment device to have the pollution load capacity of the anaerobic filter and the high-efficiency treatment capacity and the electricity generation and storage capacity of the fuel cell integrally;
3. the height of the first water inlet pipe, the water outlet of the adjusting area, the water outlet of the filter tank and the water outlet of the sedimentation tank in the horizontal direction is in a trapezoidal structure which is gradually reduced in sequence, and the sewage can be guided by the gravity of the sewage in the treatment process in such a way, so that an external power device is not needed, the overall energy consumption of the sewage treatment device is reduced, the energy is saved, and the emission is reduced;
4. the first ventilation treatment module and the second treatment module that set up make up-flow single room microbial fuel cell handle pond and sedimentation tank can have the effect of ventilating and removing the peculiar smell concurrently when need not to assemble aeration equipment, provide oxygen for the fuel cell negative pole simultaneously, and the energy consumption is low, and the practicality is high.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving and carbon-reducing integrated domestic sewage treatment device according to the present invention;
FIG. 2 is a schematic structural diagram of a filter material module according to the present invention;
FIG. 3 is a schematic view of the structure of a fuel cell module according to the present invention;
FIG. 4 is a schematic structural view of a Chinese character 'hui' gallery-shaped exhaust gas treatment device according to the present invention;
FIG. 5 is a schematic top view of a partial mesh support plate according to the present invention;
the symbols in the drawings illustrate that:
1. an intercepting and settling adjusting tank, 2, an up-flow anaerobic biological filter, 3, an up-flow single-chamber microbial fuel cell treatment tank, 4, a settling tank, 5, a filter material module, 6, a first water inlet pipe, 7, a coarse grid, 8, a fine grid, 9, a slag removal port, 10, a first sludge discharge port, 11, a second water inlet pipe, 12, a gas-distributing coarse filter layer, 13, a first light impeller, 14, a second sludge discharge port, 15, a third water inlet pipe, 16, a second light impeller, 17, a third sludge discharge port, 18, a fuel cell water outlet, 19, an air vent, 20, a settling tank water outlet, 21, a fourth sludge discharge port, 22 and a carbon felt composite electrode, 23, a stainless steel screen plate, 24, a light float layer, 25, a carbon felt composite electrode, 26, a first filter plate, 27, first activated carbon, 28, a Cu-Pb doped composite electrode, 29, a second filter plate, 30, second activated carbon, 31, an electricity storage box, 32, a resistor, 33, a first functional filter material, 34, a full-mesh bearing plate, 35, a local-mesh bearing plate, 36, a first exhaust seat, 37, an air hole, 38, a second functional filter material, 39, a second full-mesh bearing plate, 40, a second air vent seat, 41, a third functional filter material, 42, a third full-mesh bearing plate, 43 and an air vent.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings.
At present, anaerobic biofilters and microbial fuel cells for sewage treatment appear in the prior art, wherein the anaerobic biofilters have the advantages of high load, no need of sludge backflow and the like, operation and maintenance management are convenient, but the quality of effluent water still needs subsequent treatment, and the microbial fuel cell process has a good sewage treatment effect, and can convert biological energy into electric energy by degrading pollutants with microorganisms as catalysts. The noble metal doped transition metal is used as a catalyst to be loaded on the cathode, and nitrate can be reduced into nitrogen gas at the cathode in a high selectivity manner, but the development of the device is limited by the defects of low power generation efficiency, unstable load and the like, so the invention provides an energy-saving and carbon-reducing integrated domestic sewage treatment device to solve the problems.
The invention provides the following preferred embodiments
As shown in figure 1, the energy-saving and carbon-reducing integrated domestic sewage treatment device comprises a sewage treatment module, an exhaust gas treatment module and a ventilation treatment module;
the sewage treatment module comprises a cut-off sedimentation regulating tank 1, an up-flow anaerobic biological filter 2, an up-flow single-chamber microbial fuel cell treatment tank 3 and a sedimentation tank 4 which are sequentially connected in series; when in use, sewage is regulated and finally discharged after passing through the interception sedimentation regulating tank 1, the upflow anaerobic biofilter 2, the upflow single-chamber microbial fuel cell treatment tank 3 and the sedimentation tank 4 in sequence; the upflow anaerobic biological filter 2 is internally and detachably provided with a filter material module 5 for filtering sewage, the filter membrane module 5 is internally and fixedly provided with an electricity generating device, the upflow single-chamber microbial fuel cell treatment tank 3 is internally and fixedly provided with a fuel cell module and an electricity storage module which is electrically connected with the fuel cell module, and the fuel cell module is also electrically connected with the electricity generating device, specifically, the electricity generating device is electrically connected with an internal anode of the fuel module to form a composite anode, so that the electricity generating efficiency is enhanced;
the waste gas treatment module comprises a Chinese character 'hui' gallery-shaped waste gas treatment device fixedly arranged at the top end in the upflow anaerobic biological filter 2; the ventilation treatment module comprises a first ventilation treatment device fixed at the top end inside the upflow single-chamber microbial battery 3 and a second ventilation treatment device fixed at the top end inside the sedimentation tank.
According to the invention, the sewage treatment module and the waste gas treatment module are arranged, so that the treatment device has a water outlet treatment function and a waste gas treatment function when being applied, and meanwhile, each functional structure adopts a modularized arrangement, so that the device is more convenient and faster to assemble when being applied; the upflow anaerobic biological filter and the upflow single-chamber microbial fuel cell treatment tank which are arranged simultaneously enable the treatment device to have the pollution load capacity of the anaerobic filter and the high-efficiency treatment capacity and the electricity generation and storage capacity of the fuel cell integrally;
in this embodiment, the top of keeping away from the side of upflow anaerobic biological filter 2 on the sedimentation equalizing basin 1 that dams is equipped with first inlet tube 6, the inside of sedimentation equalizing basin 1 that dams and the position department that is corresponding to first inlet tube 6 below is equipped with cuts dirty subassembly, cut dirty subassembly and include from last thick grid 7 and the thin grid 8 of down detachable joint in sedimentation equalizing basin 1 inside in proper order, specific, in this embodiment, thick grid 7 sets up for the slope, the top tip that sedimentation equalizing basin 1 was dams is equipped with the scarfing cinder notch 9 that the staff will cut the impurity on the dirty subassembly and clear up, the bottom inside wall that sedimentation equalizing basin 1 was dams is the toper structure, the bottom that sedimentation equalizing basin 1 was dams still is equipped with first mud outlet 10. When using, through first inlet tube 6 get into 1 inside time of damming sedimentation equalizing basin the preferential thick grid 7 of passing through of intercepting for the first time dirty with filtering great impurity, carry out the secondary by thin grid 8 again and cut dirty with filtering thinner impurity, finally get into the sedimentation equalizing basin bottom of intercepting and carry out sludge settling, adopt foretell technical scheme to carry out secondary filtration to the sewage that gets into in the sedimentation equalizing basin, reduce the quantity of the inside sewage bulk impurity of sedimentation equalizing basin, the bottom inside wall that simultaneously damming sedimentation equalizing basin 1 adopts the toper structure setting can be convenient for 1 inside sediment's of damming sedimentation equalizing basin mud from first mud mouth 10 discharges fast.
In the embodiment, the upflow anaerobic biological filter 2 is communicated with the interception and sedimentation regulating tank 1 through a regulating area water outlet (not shown in the figure), the height of the regulating area water outlet in the horizontal direction is lower than that of the first water inlet pipe 6 in the horizontal direction, and the sewage can automatically flow into the upflow anaerobic biological filter 2 from the interception and sedimentation regulating tank 1 under the action of self gravity flow guide in the treatment process by adopting the arrangement; a second water inlet pipe 11 is connected to one end of the water outlet of the adjusting region, which corresponds to the upflow anaerobic biological filter 2, one end of the second water inlet pipe 11, which is far away from the water outlet of the adjusting region, penetrates and extends to the lower part of the filter material module 5, and a gas distribution coarse filter layer 12 is detachably connected to the position, which corresponds to the upper part of the water outlet of the adjusting region, inside the upflow anaerobic biological filter 2, and corresponds to the upper part of the water outlet of the adjusting region, specifically, in the embodiment, the gas distribution coarse filter layer 12 comprises an upper screen plate (not shown in the figure), a gravel filling layer (not shown in the figure) and a lower screen plate (not shown in the figure) which are sequentially arranged from top to bottom, wherein the upper screen plate and the lower screen plate are both made of stainless steel screen plates with the thickness of 2cm, and the gravel filling layer is filled with large apertures of 3-6cm and is used for dispersing waste gas generated in the anaerobic digestion process of the anaerobic biological filter, and simultaneously primarily entrapping sludge carried by bubbles to prevent the subsequent waste gas treatment device from being affected;
a first light impeller 13 electrically connected with the electricity storage module is fixedly arranged in the upflow anaerobic biological filter 2 and at a position corresponding to the lower part of the filter material module 5, and when the upflow anaerobic biological filter is used, the electricity storage module provides a power supply for the first light impeller 13 to drive the first light impeller 13 to rotate, so that no power equipment is required to be added when the device is used, energy recycling can be realized, no power equipment is required to be added when the device is used, and the effects of energy saving and carbon reduction are achieved;
the inner side wall of the bottom end of the up-flow anaerobic biological filter 2 is of an arc structure, and the bottom end of the up-flow anaerobic biological filter 2 is also provided with a second sludge discharge port 14; when using first light impeller 13 rotates and cooperates the circular arc structure of 2 bottoms of STREAMING anaerobism filtering pond to make 2 inside sewage of STREAMING anaerobism filtering pond be inside whirl state entering filter material module 5 to help the renewal of the inside anaerobism filter membrane of filter material module 5, prevent that filter material module 5 from blockking up, simultaneously, guarantee that the anaerobism filter membrane that drops is under the drive of first light impeller 13, by centrifugal force get rid of to the bottom of the pool of STREAMING anaerobism filtering pond 2.
In the embodiment, the upflow single-chamber microbial fuel cell treatment tank 3 is communicated with the upflow anaerobic biological filter 2 through a filter outlet (not shown in the figure), and specifically, the height of the filter outlet in the horizontal direction is lower than that of the adjustment area water outlet in the horizontal direction; by adopting the arrangement, the sewage can automatically flow into the upflow single-chamber microbial fuel cell treatment pool 3 from the upflow anaerobic biological filter 2 under the action of self gravity flow guide in the treatment process; more specifically, one end of the water outlet of the filter chamber, which corresponds to the upflow single-chamber microbial fuel cell treatment tank 3, is connected with a third water inlet pipe 15, one end of the third water inlet pipe 15, which is away from the water outlet of the filter chamber, extends to the lower part of the fuel cell module in a penetrating manner, a second light impeller 16 which is electrically connected with an electricity storage module is fixedly arranged in the upflow single-chamber microbial fuel cell treatment tank 3 and at a position corresponding to the lower part of the fuel cell module, and the electricity storage module provides power for the second light impeller 16 to drive the second light impeller 16 to rotate when in use, so that no additional power equipment is needed when the device is in use, energy recycling can be realized, no additional power equipment is needed when the device is in use, and energy saving and carbon reducing effects can be achieved;
in this embodiment, the inner side wall of the bottom end of the upflow single-chamber microbial fuel cell treatment tank 3 is in an arc-shaped structure, and the bottom end of the upflow single-chamber microbial fuel cell treatment tank 3 is further provided with a third sludge discharge port 17; when the device is used, the second light impeller 16 rotates and is matched with the circular arc structure at the bottom end of the upflow anaerobic biological filter 3, so that sewage in the upflow single-chamber microbial fuel cell treatment tank 3 enters the fuel cell module in a rotational flow state, the disturbance of ions in the fuel cell module is increased, and the electricity generation quantity of the fuel cell module is provided.
In the embodiment, the sedimentation tank 4 is communicated with the upflow single-chamber microbial fuel cell treatment tank 3 through a fuel cell water outlet 18 and an air vent 19 which are sequentially arranged from bottom to top, and the height of the fuel cell water outlet 18 in the horizontal direction is consistent with that of the filtered water outlet in the horizontal direction; when in use, sewage in the upflow single-chamber microbial fuel cell treatment tank 3 enters the sedimentation tank 4 through the fuel cell water outlet 18 for sedimentation, and the vent 19 is used for air circulation between the sedimentation tank 4 and the upflow single-chamber microbial fuel cell treatment tank 3; a sedimentation tank water outlet 20 is arranged on one side wall of the sedimentation tank 4 far away from the upflow single-chamber microbial fuel cell treatment tank 3, and the height of the sedimentation tank water outlet 20 in the horizontal direction is lower than that of the filter tank water outlet in the horizontal direction; when in use, the water precipitated in the sedimentation tank 4 is discharged through the water outlet 20 of the sedimentation tank; more specifically, the inside wall of the bottom end of the sedimentation tank 4 is of a circular arc-shaped structure, and the bottom end of the sedimentation tank 4 is also provided with a fourth sludge discharge port 21. Wherein, set up 4 bottom inside walls of sedimentation tank into convex structure and be favorable to fourth mud discharging port 21 to discharge the mud of sedimentation tank inside sediment.
Specifically, as shown in fig. 2, in this embodiment, the power generation device includes a plurality of carbon felt composite electrodes 22 sequentially arranged, and two adjacent carbon felt composite electrodes 22 are connected through a stainless steel mesh plate 23; as shown in fig. 3, the fuel cell module includes a fuel cell anode assembly, a light float layer 24 and a fuel cell cathode assembly, which are sequentially arranged from bottom to top, specifically, the fuel cell anode assembly includes a carbon felt composite electrode 25, two first filter plates 26 respectively arranged above and below the carbon felt composite electrode, and a first activated carbon 27 filled between the carbon felt composite electrode 25 and the first filter plates 26, one end of the carbon felt composite electrode 25, which is close to the power generation device, is connected with a first copper wire lead for electrically connecting the power generation device, so that the power generation device and the fuel cell anode assembly form a composite anode, and the power generation amount of the fuel cell module is enhanced, specifically, in this embodiment, a through wire seat for the first copper wire to pass through is arranged between the upflow single-chamber microbial fuel cell processing tank 3 and the upflow anaerobic biological filter 2 and at a position corresponding to the first copper wire lead; the light float material layer 24 is filled with polymer organic small balls which have larger specific surface area and are convenient for microorganism to form a membrane, and the float material small balls fluctuate under the hydraulic impact and are favorable for mass transfer between an anode and a cathode, so that the electricity production of the fuel cell module is improved; the cathode assembly of the fuel cell comprises a Cu-Pb doped composite electrode 28, two second filter plates 29 respectively arranged above and below the Cu-Pb doped composite electrode 28 and second activated carbon 30 filled between the Cu-Pb doped composite electrode 28 and the second filter plates 29, the electricity storage module comprises an electricity storage box 31 and a resistor 32 connected with the electricity storage box 31 in parallel, and the carbon felt composite electrode 25, the resistor 32 and the Cu-Pb doped composite electrode 28 are sequentially connected through insulated wires.
As shown in fig. 4, in this embodiment, the Chinese character 'hui' gallery-shaped exhaust gas treatment device includes a first functional filter material 33, a full-mesh supporting plate 34 fixed at the bottom end of the first functional filter material 33, and a plurality of local-mesh supporting plates 35 uniformly distributed along the height direction of the first functional filter material 33, the first functional filter material 33 is made of modified activated carbon, the top end of the first functional filter material 33 is provided with a plurality of first exhaust seats 36 penetrating and extending out of the top end of the upflow anaerobic biological filter 2, the full-mesh supporting plate 34 is made of a stainless steel mesh plate, the local-mesh supporting plate 35 is made of a stainless steel plate, and one end of the local-mesh supporting plate 35 is provided with air vents 37, and two adjacent air vents on the local-mesh supporting plate 35 are respectively arranged at two opposite ends, so that the whole local-mesh supporting plate 35 forms a Chinese character 'hui' gallery-shaped exhaust gas treatment channel, and when in use, the exhaust gas is adsorbed through the Chinese character 'hui' gallery-shaped treatment channel, thereby effectively increasing the treatment time of the exhaust gas inside the upflow anaerobic biological filter.
In this embodiment, the first ventilation processing device includes a second functional filter 38 and a second full-mesh supporting plate 39 fixed at the bottom end of the second functional filter 38, and a second ventilation seat 40 penetrating through and extending out of the top end of the upflow single-chamber microbial fuel cell processing pool 3 is arranged at the top end of the second functional filter 38; the second ventilation processing device comprises a third functional filter material 41 and a third full-mesh bearing plate 42 fixedly arranged at the bottom end part of the third functional filter material 41, and a ventilation opening 43 penetrating through and extending out of the sedimentation tank 4 is arranged on the side wall of the third functional filter material 41; in this embodiment, through the first ventilation treatment module and the second treatment module that set up, make upflow single-chamber microbial fuel cell treatment tank 3 and sedimentation tank 4 can have the effect of ventilation and peculiar smell of having concurrently when need not to assemble aeration equipment, provide sufficient oxygen for the fuel cell negative pole simultaneously, the energy consumption is low and the practicality is high.
In the present embodiment, maintenance access ports (not shown in the figure) are arranged on the side wall of the upflow anaerobic biological filter 2 at the position corresponding to the Chinese character 'hui' gallery-shaped waste gas treatment device, on the side wall of the upflow single-chamber microbial fuel cell treatment tank 3 at the position corresponding to the electricity storage module and the first ventilation treatment device, and on the side wall of the sedimentation tank 4 at the position corresponding to the second ventilation treatment device; the maintenance and overhaul of the parts are more convenient and faster through the arranged maintenance and overhaul port.
Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides an energy-conserving carbon reduction type integration sewage treatment unit, its characterized in that: comprises a sewage treatment module, a waste gas treatment module and a ventilation treatment module;
the sewage treatment module comprises a cut-off sedimentation regulating tank (1), an up-flow anaerobic biological filter (2), an up-flow single-chamber microbial fuel cell treatment tank (3) and a sedimentation tank (4) which are sequentially connected in series; a filter material module (5) is detachably arranged in the upflow anaerobic biological filter (2), an electricity generating device is fixedly arranged in the filter material module (5), a fuel cell module and an electricity storage module electrically connected with the fuel cell module are fixedly arranged in the upflow single-chamber microbial fuel cell treatment tank (3), the fuel cell module comprises a fuel cell anode assembly and a fuel cell cathode assembly, and the fuel cell anode assembly is electrically connected with the electricity generating device;
the waste gas treatment module comprises a Chinese character 'hui' gallery-shaped waste gas treatment device fixedly arranged at the top end inside the upflow anaerobic biological filter (2);
the ventilation treatment module comprises a first ventilation treatment device fixed at the top end inside the upflow single-chamber microbial battery (3) and a second ventilation treatment device fixed at the top end inside the sedimentation tank (4).
2. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: be equipped with first inlet tube (6) on the lateral wall of damming sedimentation equalizing basin (1), the inside of damming sedimentation equalizing basin (1) is equipped with cuts dirty subassembly, cut dirty subassembly and include from last thick grid (7) and thin grid (8) of down detachable joint in damming sedimentation equalizing basin (1) in proper order, the top tip of damming sedimentation equalizing basin (1) is equipped with scarfing cinder notch (9), the bottom inside wall of damming sedimentation equalizing basin (1) is the toper structure, the bottom of damming sedimentation equalizing basin (1) still is equipped with first mud discharging (10).
3. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 2, wherein: go up STREAMING anaerobism filtering pond (2) and cut-off and deposit between the equalizing basin (1) and communicate through the equalizing basin delivery port, the equalizing basin delivery port highly is less than first inlet tube (6) height on the horizontal direction, the one end that is corresponding to rising STREAMING anaerobism filtering pond (2) on the equalizing basin delivery port is connected with second inlet tube (11), the one end of keeping away from the equalizing basin delivery port on second inlet tube (11) runs through the below that extends to filter material module (5), rising STREAMING anaerobism filtering pond (2) inside just is connected with minute gas coarse filter (12) corresponding to the position department detachable of equalizing basin delivery port top, minute gas coarse filter (12) include from last otter board, gravel filling layer and the lower screen board that down set gradually, the inside and the position department corresponding to filter material module (5) below of rising STREAMING anaerobism filtering pond (2) is fixed be equipped with first light impeller (13) that store up with electricity module electric connection, rising STREAMING anaerobism filtering pond (2) bottom inside wall is convex structure, rising STREAMING anaerobism filtering pond (2) bottom is equipped with second row mud mouth (14) still.
4. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 3, wherein: the upflow single-chamber microbial fuel cell treatment tank (3) is communicated with the upflow anaerobic biological filter (2) through a filter tank water outlet, the height of the filter tank water outlet in the horizontal direction is lower than that of a regulation area water outlet in the horizontal direction, one end, corresponding to the upflow single-chamber microbial fuel cell treatment tank (3), of the filter tank water outlet is connected with a third water inlet pipe (15), one end, far away from the filter tank water outlet, of the third water inlet pipe (15) penetrates and extends to the lower portion of the fuel cell module, a second light impeller (16) electrically connected with the electricity storage module is fixedly arranged in the upflow single-chamber microbial fuel cell treatment tank (3) and in the position corresponding to the lower portion of the fuel cell module, the inner side wall of the bottom end of the upflow single-chamber microbial fuel cell treatment tank (3) is of a circular arc-shaped structure, and a third sludge discharge port (17) is further arranged at the bottom end of the upflow single-chamber microbial fuel cell treatment tank (3).
5. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 4, wherein: through from fuel cell delivery port (18) and blow vent (19) intercommunication down that up set gradually between sedimentation tank (4) and the upflow single-chamber microbial fuel cell processing pond (3), fuel cell delivery port (18) highly and the high unanimity of filtering pond delivery port on the horizontal direction, sedimentation tank (4) are kept away from and are equipped with sedimentation tank delivery port (20) on the lateral wall of upflow single-chamber microbial fuel cell processing pond (3), sedimentation tank delivery port (20) highly are less than the height of filtering pond delivery port on the horizontal direction, sedimentation tank (4) bottom inside wall is convex structure, sedimentation tank (4) bottom still is equipped with fourth row mud mouth (21).
6. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: the electricity generating device comprises a plurality of carbon felt composite electrodes (22) which are sequentially arranged, and every two adjacent carbon felt composite electrodes (22) are connected through a stainless steel screen plate (23).
7. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: the fuel cell module is characterized by further comprising a light float material layer (24) arranged between the fuel cell anode assembly and the fuel cell cathode assembly, wherein the fuel cell anode assembly comprises a carbon felt composite electrode (25), two first filter plates (26) arranged above and below the carbon felt composite electrode (25) respectively and first active carbon (27) filled between the carbon felt composite electrode (25) and the first filter plates (26), one end, close to the power generation device, of the carbon felt composite electrode (25) is connected with a first copper wire used for being electrically connected with the power generation device, the light float material layer (24) is filled with a polymer organic small ball, the fuel cell cathode assembly comprises a Cu-Pb doped composite electrode (28), two second filter plates (29) arranged above and below the Cu-Pb doped composite electrode (28) respectively and a second active carbon (30) filled between the Cu-Pb doped composite electrode (28) and the second filter plates (29), the power storage module comprises a power storage box (31) and a resistor (32) connected with the power storage box (31) in parallel, the carbon felt composite electrode (25), the carbon felt composite electrode (28) and the second active carbon (30) are connected with the copper-Pb insulated wires in sequence.
8. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: circle word corridor shape exhaust treatment device includes first function filter material (33), is fixed in whole mesh bearing board (34) and a plurality of piece of first function filter material (33) bottom along the direction of height evenly distributed's of first function filter material (33) local mesh bearing board (35), the top of first function filter material (33) is equipped with a plurality of and runs through and extends the outside first exhaust seat (36) in upflow anaerobism filtering pond (2) top, the one end of local mesh bearing board (35) is equipped with bleeder vent (37), adjacent two bleeder vent (37) on local mesh bearing board (35) set up respectively in relative both ends.
9. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: first ventilation processing apparatus includes second function filter material (38) and is fixed in second full mesh bearing board (39) of second function filter material (38) bottom, the top of second function filter material (38) is equipped with and runs through and extend the outside second ventilation seat (40) in upflow single-chamber microbial fuel cell processing pond (3) top, second ventilation processing apparatus includes third function filter material (41) and fixed third full mesh bearing board (42) that set up in third function filter material (41) bottom tip, be equipped with on the lateral wall of third function filter material (41) and run through and extend sedimentation tank (4) outside vent (43).
10. The energy-saving and carbon-reducing integrated domestic sewage treatment device according to claim 1, wherein: maintenance and overhaul ports are arranged at the positions, corresponding to the square-channel-shaped waste gas treatment device, on the side wall of the upflow anaerobic biological filter (2), at the positions, corresponding to the electricity storage module and the first ventilation treatment device, on the side wall of the upflow single-chamber microbial fuel cell treatment tank (3) and at the position, corresponding to the second ventilation treatment device, on the side wall of the sedimentation tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043264.1A CN113860631B (en) | 2021-09-07 | 2021-09-07 | Energy-saving and carbon-reducing integrated domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043264.1A CN113860631B (en) | 2021-09-07 | 2021-09-07 | Energy-saving and carbon-reducing integrated domestic sewage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113860631A CN113860631A (en) | 2021-12-31 |
| CN113860631B true CN113860631B (en) | 2023-04-14 |
Family
ID=78994574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111043264.1A Active CN113860631B (en) | 2021-09-07 | 2021-09-07 | Energy-saving and carbon-reducing integrated domestic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113860631B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10025033A1 (en) * | 2000-05-20 | 2001-11-29 | Dmc2 Degussa Metals Catalysts | Process for generating electrical energy using a fuel cell |
| CN104556561A (en) * | 2014-12-11 | 2015-04-29 | 哈尔滨工业大学宜兴环保研究院 | Microbial fuel cell and intermittent aerated biofilter coupled compound system and sewage treatment method thereof |
| WO2017046341A1 (en) * | 2015-09-18 | 2017-03-23 | MWK Bionik GmbH | Biofuel cell and combination thereof with a microbial emission sink |
| CN109110911A (en) * | 2018-10-30 | 2019-01-01 | 上海理工大学 | A kind of drawer type biofilter coupling microbiological fuel cell composite system |
| CN109607944A (en) * | 2018-12-19 | 2019-04-12 | 哈尔滨工业大学 | Up-flow anaerobic biofilter couples the method for reducing nitrogen content in waste water with microbiological fuel cell |
| CN109912145A (en) * | 2019-04-01 | 2019-06-21 | 北京工业大学 | A kind of aerobic particle mud electricity production device |
| CN110117068A (en) * | 2019-04-24 | 2019-08-13 | 上海交通大学 | A kind of sewage treatment unit based on biofilter cathode microbial fuel cell |
-
2021
- 2021-09-07 CN CN202111043264.1A patent/CN113860631B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10025033A1 (en) * | 2000-05-20 | 2001-11-29 | Dmc2 Degussa Metals Catalysts | Process for generating electrical energy using a fuel cell |
| CN104556561A (en) * | 2014-12-11 | 2015-04-29 | 哈尔滨工业大学宜兴环保研究院 | Microbial fuel cell and intermittent aerated biofilter coupled compound system and sewage treatment method thereof |
| WO2017046341A1 (en) * | 2015-09-18 | 2017-03-23 | MWK Bionik GmbH | Biofuel cell and combination thereof with a microbial emission sink |
| CN109110911A (en) * | 2018-10-30 | 2019-01-01 | 上海理工大学 | A kind of drawer type biofilter coupling microbiological fuel cell composite system |
| CN109607944A (en) * | 2018-12-19 | 2019-04-12 | 哈尔滨工业大学 | Up-flow anaerobic biofilter couples the method for reducing nitrogen content in waste water with microbiological fuel cell |
| CN109912145A (en) * | 2019-04-01 | 2019-06-21 | 北京工业大学 | A kind of aerobic particle mud electricity production device |
| CN110117068A (en) * | 2019-04-24 | 2019-08-13 | 上海交通大学 | A kind of sewage treatment unit based on biofilter cathode microbial fuel cell |
Non-Patent Citations (1)
| Title |
|---|
| 微生物燃料电池处理废水时的产电性能研究;李毅等;《环境科学与技术》;20091115(第11期);第163-166页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113860631A (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114315037B (en) | Inversion A of external electric field 2 O-GDMBR (membrane bioreactor-membrane bioreactor) integrated village and town sewage treatment device and method | |
| CN104973688A (en) | Anaerobic-aerobic bio-filter coupled sewage processing device and sewage processing method | |
| CN115557556A (en) | Electric flocculation coupling ozone catalytic oxidation rapid water purification treatment technology for initial rainwater and urban overflow pollution | |
| CN210048631U (en) | Integrated distributed rural sewage treatment device | |
| CN113045115A (en) | Landfill leachate treatment method based on electrocatalytic oxidation coupled biochemistry | |
| CN113860631B (en) | Energy-saving and carbon-reducing integrated domestic sewage treatment device | |
| CN114249506A (en) | Miniature light kinetic energy rural domestic sewage purifies integrated device | |
| CN205473180U (en) | Collect electrochemical method and microorganism method in sewage treatment device of an organic whole | |
| CN214654197U (en) | A advanced treatment unit for rubbish transfer station filtration liquid | |
| GB2619123A (en) | Integrated inverted A2/O-GDMBR based on external electric field for village sewage treatment device and method | |
| CN205473178U (en) | Economic benefits and social benefits sewage treatment device | |
| CN214457451U (en) | Integrated EC-AO-MBR water treatment equipment | |
| CN205472817U (en) | COD equipment falls in electricity catalytic oxidation | |
| CN201678520U (en) | Improved unpowered sewage biological cleaning device | |
| CN210796140U (en) | Domestic sewage treatment device | |
| CN210528571U (en) | Biological contact oxidation process equipment using nano aeration technology | |
| CN108529750B (en) | A kind of efficiently multiplication integrated sewage treating apparatus and its technique | |
| CN108821434B (en) | Integrated AAO + MBR reactor and method for treating sewage by using same | |
| CN201762149U (en) | Internal circulating multidimensional electrocatalysis wastewater treating device | |
| CN218709599U (en) | Flat membrane device for water treatment | |
| CN221644709U (en) | Anaerobic ammonia oxidation denitrification system | |
| CN211226790U (en) | Intensive efficient nitrogen and phosphorus removal integrated sewage treatment equipment | |
| CN110482783A (en) | A kind of floating type rain sewage-treatment plant | |
| CN216614354U (en) | SBR sewage treatment device for electrochemical pretreatment | |
| CN209989210U (en) | Sewage treatment station based on MBR flat membrane bioreactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Ruibin Inventor after: Pan Zhuoxi Inventor after: Zong Yuan Inventor after: Liu Qingquan Inventor after: Zu Baiyu Inventor after: Wang Leyang Inventor after: Chen Fan Inventor after: Xu Qiangqiang Inventor before: Zong Yuan Inventor before: Pan Zhuoxi Inventor before: Zhang Ruibin Inventor before: Liu Qingquan Inventor before: Xu Qiangqiang Inventor before: Wang Leyang Inventor before: Zu Baiyu Inventor before: Chen Fan |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |