CN105502841A - Novel spring-stepped scene-layered sewage treatment equipment - Google Patents
Novel spring-stepped scene-layered sewage treatment equipment Download PDFInfo
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- CN105502841A CN105502841A CN201610032257.4A CN201610032257A CN105502841A CN 105502841 A CN105502841 A CN 105502841A CN 201610032257 A CN201610032257 A CN 201610032257A CN 105502841 A CN105502841 A CN 105502841A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses novel spring-stepped scene-layered sewage treatment equipment and relates to the technical field of sewage treatment equipment. The sewage treatment equipment is composed of a grid well, an adjusting tank, an anaerobic tank, a water collection tank, a horizontal subsurface flow constructed wetland, surface flow constructed wetlands, an effluent water collection tank and water body purifying plants, wherein the anaerobic tank is arranged at the center of the adjusting tank; the horizontal subsurface flow constructed wetland is arranged on the upper layer of the anaerobic tank; the water collection tank is arranged at the center of the horizontal subsurface flow constructed wetland; several layers of surface flow constructed wetlands are sequentially arranged on the periphery of the horizontal subsurface flow constructed wetland; a layer of horizontal subsurface flow constructed wetland is also arranged on the periphery of the surface flow constructed wetlands; and the horizontal subsurface flow constructed wetland and the surface flow constructed wetlands are filled with constructed wetland padding, and water body purifying plants are planted therein. The novel spring-stepped scene-layered sewage treatment equipment disclosed by the invention has the advantages of novel and reasonable structure design and good using effect, the using cost can be effectively lowered, secondary pollution is avoided, the land occupation is saved, and the equipment is efficient, stable and maintenance-free.
Description
Technical field:
The present invention relates to technical field of sewage treatment equipment, be specifically related to a kind of Novel stack spring layer scape formula sewage disposal device.
Background technology:
According to construction " the fine rural area that 18 the fifth plenary sessions propose, beautiful home, beautiful China " spirit, countryside sewage treating is placed in critical positions in the process of carrying out rural reform improvement, but the improvement situation that current present situation shows not is very good, especially in the process of carrying out sewage disposal, a lot of sewage disposal device fails the effect of really accomplishing to purify waste water, and the design is on the basis of traditional technology, kinds of artificial Wetland Function is combined breakthroughly, carry out and have complementary advantages, form the brand-new technique of a kind of " folded spring layer scape formula sewage disposal " not only practical but also attractive in appearance.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of novel in structural design is reasonable, result of use good, effectively can reduce use cost, can not secondary pollution be caused, save land area and there is Novel stack spring layer scape formula sewage disposal device that is efficient, that stablize, need not to safeguard etc. feature.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of Novel stack spring layer scape formula sewage disposal device, by grid well, equalizing tank, anaerobic pond, water collecting basin, horizontal drowned flow artificial wet land, surface current artificial wetland, water outlet water collecting basin and water body purification plant constitution, the stepped cirque structure of described equalizing tank, the center of equalizing tank is provided with anaerobic pond, the height of described anaerobic pond is higher than the height of equalizing tank, the upper strata of anaerobic pond is provided with horizontal drowned flow artificial wet land, described horizontal drowned flow artificial wet land is circular configuration, the diameter of horizontal drowned flow artificial wet land is identical with the diameter of anaerobic pond, circular water collecting basin is provided with in the central position of horizontal drowned flow artificial wet land, circular water leg is provided with in the periphery of horizontal drowned flow artificial wet land, circular surface current artificial wetland is provided with in the periphery of water leg, described surface current artificial wetland is divided into stepped distribution, and be evenly distributed in the upper strata of equalizing tank, down be respectively second surface artificial wetland and the 3rd surface current artificial wetland successively, the edge of surface current artificial wetland is provided with collecting gutter, the second horizontal drowned flow artificial wet land is also provided with in the periphery of the 3rd surface current artificial wetland, described second horizontal drowned flow artificial wet land is arranged on the periphery of equalizing tank, the bottom of the periphery of the second horizontal drowned flow artificial wet land is provided with water outlet water collecting basin, and rising pipe is provided with on the pool wall of the second horizontal drowned flow artificial wet land, described grid well is arranged on the periphery of the second horizontal drowned flow artificial wet land and is connected by pipeline with the second horizontal drowned flow artificial wet land, turbogrid plates are provided with in grid well, the bottom of grid well is provided with water inlet pipe, all Performance of Constructed Wetlands Substrates is filled with in horizontal drowned flow artificial wet land and surface current artificial wetland, all plant on horizontal drowned flow artificial wet land and surface current artificial wetland simultaneously and be implanted with water body purification plant,
Described horizontal drowned flow artificial wet land pool wall inside be provided with horizontal drowned flow artificial wet land water-in, the bottom of horizontal drowned flow artificial wet land is provided with horizontal drowned flow artificial wet land water inlet pipe, and described horizontal drowned flow artificial wet land water-in is connected with horizontal drowned flow artificial wet land water inlet pipe;
The inside, outer ring of described surface current artificial wetland is provided with overflow weir, is collecting gutter at the peripheral portion of overflow weir, and the collar wall of surface current artificial wetland is provided with zig-zag V-notch weir;
Wherein:
Grille well: remove thick rubbish floating object by the stainless steel grid interception in grille well;
Equalizing tank: equalizing tank is mainly arranged when pending sewage quantity, sewage quality change greatly, and plays regulating pondage, equal permanent water quality effect;
Anaerobic pond: the effect utilizing anerobe in anaerobic pond, makes organism be hydrolyzed, acidifying and methanation, removes the organism in waste water, and improves the biodegradability of sewage, be conducive to follow-up aerobic treatment;
Water collecting basin: because sewage needs constantly to flow in compound type constructed wetland system, just can ensure that compound type constructed wetland system normally runs, so sewage is undertaken can needing after biochemical treatment collecting through water collecting basin compound type constructed wetland system of being allowed for access after certain sewage by anaerobic pond;
Water leg: for ensureing that sewage can slowly flow across wetland surface with certain speed after upper level wetland flows out, therefore water leg being set before every grade of artificial swamp, next stage artificial swamp can being flowed into after water leg amasss completely certain water yield;
Overflow weir, collecting gutter and zig-zag V-notch weir: for ensureing fully to contact with air in sewage falling process between adjacent two wetlands, overflow weir and collecting gutter need be set to the every one-level surface current artificial wetland in composite type artificial wetland, flow in next stage artificial swamp by zig-zag V-notch weir after collecting certain water yield, form folded spring effect;
Horizontal subsurface constructed wetland: current from import in root zone sluggish flow in the horizontal direction, exit establishes water collecting basin to flow into next stage processing unit; Because the removal effect of this system to BOD, COD and heavy metal is good, for solving BOD, COD to the impact of stage further process, therefore be located at the first step of composite artificial wet land treating system;
Surface current artificial wetland, second surface artificial wetland and the 3rd surface current artificial wetland: because the required oxygen of Horizontal subsurface constructed wetland aerobic biochemical reaction is mainly from air reaeration, quantity not sufficient, thus cause nitric efficiency not high, therefore continuous three surface current artificial wetlands are set, utilize the difference of altitude between adjacent two wetlands, water is fully contacted with air in falling process and carries out oxygenation voluntarily, surface current artificial wetland's water surface is positioned at more than wet land filler layer, current are that pulling flow type advances, sewage enters water collecting basin from the outlet of upper level wetland, wetland surface is slowly flowed across with certain speed, part of contaminated water or evaporation or permeate the ground, water outlet is flowed out by zig-zag V-notch weir after entering collecting gutter by overflow weir, surface current artificial wetland's approximately level part is aerobic layer, comparatively deep is divided and bottom is anaerobic layer, the wetland of this type is applied to the advanced treatment of sanitary sewage,
Second Horizontal subsurface constructed wetland: after above-mentioned multistage artificial wetland treatment, current enter from upper level water outlet, sluggish flow in the horizontal direction in its root zone, successively alternately across SHBY type horizontal drowned flow artificial wet land filler and efficient phosphor fixation agent, after physical adsorption, chemical reaction, inorganic phosphorus in sewage is immobilized onto phosphor-curing agent filtrate inner, and then reaches the effect of dephosphorization;
Specifically as follows to the removal principle of pollutent:
(1) removal of suspended substance: composite type artificial wetland lives through filter by generation one " microbial film-matrix-plant ", sewage enters wetland, through hypothallus and intensive plant stem-leaf and root system, by microorganism, stromal surface and plant absorption, the mechanism such as to filter, retain, suspended substance is removed, and is finally deposited in matrix;
(2) organic removal: in sanitary sewage, insoluble organism can be trapped soon by the deposition in composite type artificial wetland matrix, filteration and then be decomposed or utilize, and dissolved organic matter is the removal that is decomposed by the biomembranous absorption of root system of plant, absorption and anaerobic-aerobic biological metabolism degradation process then;
(3) removal of nitrogen: the nitrogen in sanitary sewage is mainly with organonitrogen, ammonia nitrogen, nitre nitrogen and nitrite nitrogen 4 kinds of forms exist, the circulation change of nitrogen in wet land system includes 7 kinds of valence states, the conversion of multiple organonitrogen and ammonia nitrogen, in compound type constructed wetland system, the removal pathway of nitrogen comprises the volatilization of ammonia nitrogen, plant absorption, a nitrated denitrification of microorganism, matrix is adsorbed, nitrogen in compound type constructed wetland system is mainly removed by the nitrification and denitrification effect of micro-ox thing, the oxygen therapy of root system of plant and the release to oxygen in wet land system, a body inside is existed many aerobic, anoxic and anaerobic zone, this is equivalent to the A2/O unit of many serial or parallel connections, nitrification and denitrification is acted in wetland occur simultaneously,
(4) removal of phosphorus: in composite type artificial wetland, surface current artificial wetland's approximately level part is aerobic layer, comparatively deep is divided and bottom is anaerobic layer, organophosphorus can be changed into solvability inorganic phosphorus by anaerobic process, insoluble inorganic phosphorus changes into Soluble Inorganic Phosphorus, so after surface current artificial wetland's anaerobic treatment in composite type artificial wetland, organophosphorus obtains mineralising, when it enters the efficient phosphor fixation agent in last step second Horizontal subsurface constructed wetland, solvability inorganic phosphorus in sewage just contacts with the agent of multi-hole type efficient phosphor fixation, through physical adsorption, after chemical reaction, inorganic phosphorus in sewage is immobilized onto phosphor-curing agent filtrate inner, and then reach the effect of dephosphorization,
Beneficial effect of the present invention is:
(1) employing drop oxygenation technology provides the oxygen requirement required for compound type constructed wetland system aerobic reaction, utilize the difference of altitude between every grade of artificial swamp, water is fully contacted with air in the process fallen and carries out oxygenation, eliminate the consumption of the gas blower power required for traditional aeration, meet the demand of system to oxygen, be a kind of environmentally friendly natural oxygen delivery technique, reduce running cost;
(2) in every one-level artificial wet land system, different water body purification plants is planted, on the one hand, can by the different effect of different plant, have complementary advantages, the composite constructed wetland system comprehensive purifying successful that various plants is arranged in pairs or groups mutually is better than single plant artificial swamp; On the other hand, every grade of artificial wetland water body purifying plant is different, and artificial swamp at different levels by the scene of zig-zag V-notch weir water outlet as spring from flowing down, reach the effect of folded spring layer scape, this design has landscape function, can beautify surrounding enviroment, basic non-secondary pollution, elegant in appearance, Nover practical, meets new countryside construction fine rural aim;
(3) horizontal drowned flow artificial wet land and surface current artificial wetland combine by the design, utilize the process effect that every grade of artificial swamp is different, scientific and reasonable layout, by having complementary advantages, arrive better treatment effect;
(4) adopt new packing and new and effective phosphor-curing agent, overcome traditional dephosphorization process efficiency not high, fluctuation of service, need the great number of issues such as dosing spoil disposal, have efficient, stablize, the advantage such as need not to safeguard;
(5) to have investment cost low for the design's composite type artificial wetland treatment system, build, running cost is low, treating processes energy consumption is low, wastewater treatment efficiency is reliable and stable, the combination of Sewage treatment systems has diversity and specific aim, advantage and the continuable economic benefits such as operational management is simple;
(6) combination scientific and reasonable to equalizing tank, anaerobic pond and composite constructed wetland system is arranged by the design, saves land area, has saved cost;
Accompanying drawing illustrates:
Fig. 1 is diagrammatic cross-section of the present invention;
Fig. 2 is schematic top plan view of the present invention:
Fig. 3 is horizontal drowned flow artificial wet land structural representation:
Fig. 4 is surface current artificial wetland's structural representation;
Wherein: 1 grille well; 2 grids; 3 equalizing tanks; 4 anaerobic ponds; 5 water collecting basins; 6 horizontal drowned flow artificial wet lands; 6-1 second horizontal drowned flow artificial wet land; 6-2 horizontal drowned flow artificial wet land water-in; 6-3 horizontal drowned flow artificial wet land water inlet pipe; 7 water legs; 8 collecting gutters; 9 surface current artificial wetlands; 9-1 second surface artificial wetland; 9-2 the 3rd surface current artificial wetland; 9-3 overflow weir; 9-4 zig-zag V-notch weir; 10 water outlet water collecting basins; 11 water inlet pipes; 12 rising pipes; 13 water body purification plants; 14 Performance of Constructed Wetlands Substrates.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of Novel stack spring layer scape formula sewage disposal device, by grid well 1, equalizing tank 3, anaerobic pond 4, water collecting basin 5, horizontal drowned flow artificial wet land 6, surface current artificial wetland 9, water outlet water collecting basin 10 and water body purification plant 13 are formed, the stepped cirque structure of described equalizing tank 3, the center of equalizing tank 3 is provided with anaerobic pond 4, the height of described anaerobic pond 4 is higher than the height of equalizing tank 3, the upper strata of anaerobic pond 4 is provided with horizontal drowned flow artificial wet land 6, described horizontal drowned flow artificial wet land 6 is circular configuration, the diameter of horizontal drowned flow artificial wet land 6 is identical with the diameter of anaerobic pond 4, circular water collecting basin 5 is provided with in the central position of horizontal drowned flow artificial wet land 6, circular water leg 7 is provided with in the periphery of horizontal drowned flow artificial wet land 6, circular surface current artificial wetland 9 is provided with in the periphery of water leg 7, described surface current artificial wetland 9 is divided into stepped distribution, and be evenly distributed in the upper strata of equalizing tank 3, down be respectively second surface artificial wetland 9-1 and the 3rd surface current artificial wetland 9-2 successively, the edge of surface current artificial wetland 9 is provided with collecting gutter 8, the second horizontal drowned flow artificial wet land 6-1 is also provided with in the periphery of the 3rd surface current artificial wetland 9-2, described second horizontal drowned flow artificial wet land 6-1 is arranged on the periphery of equalizing tank 3, the bottom of the periphery of the second horizontal drowned flow artificial wet land 6-1 is provided with water outlet water collecting basin 10, and rising pipe 12 is provided with on the pool wall of the second horizontal drowned flow artificial wet land 6-1, described grid well 1 is arranged on the periphery of the second horizontal drowned flow artificial wet land 6-1 and is connected by pipeline with the second horizontal drowned flow artificial wet land 6-1, turbogrid plates 2 are provided with in grid well 1, the bottom of grid well 1 is provided with water inlet pipe 11, Performance of Constructed Wetlands Substrates 14 is all filled with in horizontal drowned flow artificial wet land 6 and surface current artificial wetland 9, all plant on horizontal drowned flow artificial wet land 6 and surface current artificial wetland 9 simultaneously and be implanted with water body purification plant 13,
Described horizontal drowned flow artificial wet land 6 pool wall inside be provided with horizontal drowned flow artificial wet land water-in 6-2, be provided with horizontal drowned flow artificial wet land water inlet pipe 6-3 in the bottom of horizontal drowned flow artificial wet land 6, described horizontal drowned flow artificial wet land water-in 6-2 is connected with horizontal drowned flow artificial wet land water inlet pipe 6-3;
The inside, outer ring of described surface current artificial wetland 9 is provided with overflow weir 9-3, is collecting gutter 8 at the peripheral portion of overflow weir 9-3, and the collar wall of surface current artificial wetland 9 is provided with zig-zag V-notch weir 9-4;
During work, after sewage collecting pipe network enters system, flase floor 2 first in grille well 1 is tackled and is removed thick rubbish floating object, grille well 1 water outlet enters equalizing tank 3 in process system, and control treatment is carried out to amount of inlet water, then gravity flow enters anaerobic pond 4, utilize the effect of anerobe, organism is hydrolyzed, acidifying and methanation, remove the organism in waste water, and improve the biodegradability of sewage, be convenient in follow-up aerobic treatment, then by vacuum primingpump, sewage is squeezed in compound type constructed wetland system, in compound type constructed wetland system, sewage flows into horizontal drowned flow artificial wet land 6 after being collected into certain water yield by water collecting basin 5, enter after water outlet after water leg 7 is collected into certain water yield and flow into surface current artificial wetland 9 successively, second surface artificial wetland 9-1 and the 3rd surface current artificial wetland 9-2, the second horizontal drowned flow artificial wet land 6-1 is flowed into after being collected into certain water yield by water leg 7 after water outlet, catchment finally by water outlet water collecting basin 10, and the clean water after purification is discharged.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a Novel stack spring layer scape formula sewage disposal device, it is characterized in that: by grid well, equalizing tank, anaerobic pond, water collecting basin, horizontal drowned flow artificial wet land, surface current artificial wetland, water outlet water collecting basin and water body purification plant constitution, the stepped cirque structure of described equalizing tank, the center of equalizing tank is provided with anaerobic pond, the upper strata of anaerobic pond is provided with horizontal drowned flow artificial wet land, circular water collecting basin is provided with in the central position of horizontal drowned flow artificial wet land, circular water leg is provided with in the periphery of horizontal drowned flow artificial wet land, circular surface current artificial wetland is provided with in the periphery of water leg, described surface current artificial wetland is divided into stepped distribution, and be evenly distributed in the upper strata of equalizing tank, down be respectively second surface artificial wetland and the 3rd surface current artificial wetland successively, the edge of surface current artificial wetland is provided with collecting gutter, the second horizontal drowned flow artificial wet land is also provided with in the periphery of the 3rd surface current artificial wetland, described second horizontal drowned flow artificial wet land is arranged on the periphery of equalizing tank, the bottom of the periphery of the second horizontal drowned flow artificial wet land is provided with water outlet water collecting basin, and rising pipe is provided with on the pool wall of the second horizontal drowned flow artificial wet land, described grid well setting is arranged on the periphery of the second horizontal drowned flow artificial wet land and is connected by pipeline with the second horizontal drowned flow artificial wet land, all Performance of Constructed Wetlands Substrates is filled with in horizontal drowned flow artificial wet land and surface current artificial wetland, all plant on horizontal drowned flow artificial wet land and surface current artificial wetland simultaneously and be implanted with water body purification plant.
2. a kind of Novel stack spring layer scape formula sewage disposal device according to claim 1, it is characterized in that: described horizontal drowned flow artificial wet land pool wall inside be provided with horizontal drowned flow artificial wet land water-in, the bottom of horizontal drowned flow artificial wet land is provided with horizontal drowned flow artificial wet land water inlet pipe, and described horizontal drowned flow artificial wet land water-in is connected with horizontal drowned flow artificial wet land water inlet pipe.
3. a kind of Novel stack spring layer scape formula sewage disposal device according to claim 1, it is characterized in that: the inside, outer ring of described surface current artificial wetland is provided with overflow weir, be collecting gutter at the peripheral portion of overflow weir, the collar wall of surface current artificial wetland is provided with zig-zag V-notch weir.
4. a kind of Novel stack spring layer scape formula sewage disposal device according to claim 1, is characterized in that: the height of described anaerobic pond is higher than the height of equalizing tank.
5. a kind of Novel stack spring layer scape formula sewage disposal device according to claim 1, is characterized in that: described horizontal drowned flow artificial wet land is circular configuration, and the diameter of horizontal drowned flow artificial wet land is identical with the diameter of anaerobic pond.
6. a kind of Novel stack spring layer scape formula sewage disposal device according to claim 1, is characterized in that: be provided with turbogrid plates in described grid well, the bottom of grid well is provided with water inlet pipe.
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| CN106115952A (en) * | 2016-08-30 | 2016-11-16 | 岭南新科生态科技研究院（北京）有限公司 | A kind of water oxygenation purifier |
| CN107285558A (en) * | 2017-06-30 | 2017-10-24 | 中电环保股份有限公司 | Sewage treatment unit based on drop type biological filtering tower combined working unit |
| CN107601675A (en) * | 2017-11-03 | 2018-01-19 | 山东省环境规划研究院 | A kind of stereo ecological landscape artificial wetland system |
| CN108298768A (en) * | 2018-01-23 | 2018-07-20 | 桑德生态科技有限公司 | A kind of landscape water factory set on City greenbelt |
| CN108911437A (en) * | 2018-09-10 | 2018-11-30 | 江苏澳洋生态园林股份有限公司 | Underground sewage ecological purification and soil stabilizing apparatus |
| CN108947151A (en) * | 2018-09-10 | 2018-12-07 | 江苏澳洋生态园林股份有限公司 | Sewage ecological purification processing unit |
| CN112250189A (en) * | 2020-10-27 | 2021-01-22 | 武汉森泰环保股份有限公司 | Multistage drop biological tower processing apparatus |
| CN113185068A (en) * | 2021-06-10 | 2021-07-30 | 桂林理工大学 | Combined type organic wastewater treatment system |
| CN113461268A (en) * | 2021-07-14 | 2021-10-01 | 广东粤源工程咨询有限公司 | Basin treatment system and method based on water ecological environment function partition unit |
| CN113754060A (en) * | 2021-10-11 | 2021-12-07 | 北京建筑大学 | Multi-reaction-zone integrated combined treatment system and method for dispersed sewage |
| CN115124201A (en) * | 2022-08-02 | 2022-09-30 | 东珠生态环保股份有限公司 | Modular sewage treatment system for wetland |
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| CN113185068A (en) * | 2021-06-10 | 2021-07-30 | 桂林理工大学 | Combined type organic wastewater treatment system |
| CN113461268A (en) * | 2021-07-14 | 2021-10-01 | 广东粤源工程咨询有限公司 | Basin treatment system and method based on water ecological environment function partition unit |
| CN113754060A (en) * | 2021-10-11 | 2021-12-07 | 北京建筑大学 | Multi-reaction-zone integrated combined treatment system and method for dispersed sewage |
| CN115124201A (en) * | 2022-08-02 | 2022-09-30 | 东珠生态环保股份有限公司 | Modular sewage treatment system for wetland |
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| CN105502841B (en) | 2018-08-14 |
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