CN207108755U - A kind of device of ecosystem processing sewage - Google Patents

A kind of device of ecosystem processing sewage Download PDF

Info

Publication number
CN207108755U
CN207108755U CN201720833562.3U CN201720833562U CN207108755U CN 207108755 U CN207108755 U CN 207108755U CN 201720833562 U CN201720833562 U CN 201720833562U CN 207108755 U CN207108755 U CN 207108755U
Authority
CN
China
Prior art keywords
filler
zone
layer
plant
ecosystem
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.)
Expired - Fee Related
Application number
CN201720833562.3U
Other languages
Chinese (zh)
Inventor
岳自恒
王晶弟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Ideal Technology Co Ltd
Original Assignee
Xi'an Ideal Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Ideal Technology Co Ltd filed Critical Xi'an Ideal Technology Co Ltd
Priority to CN201720833562.3U priority Critical patent/CN207108755U/en
Application granted granted Critical
Publication of CN207108755U publication Critical patent/CN207108755U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Activated Sludge Processes (AREA)
  • Treating Waste Gases (AREA)

Abstract

The utility model provides a kind of device of ecosystem processing sewage, it is related to technical field of sewage, including the pretreatment unit being sequentially connected, biological processing unit, filter element and disinfection unit, biological processing unit includes the anaerobic zone in cascading structure being sequentially connected, anoxic zone and aerobic zone, anaerobic zone, anoxic zone and aerobic zone include the aeration agitation layer being sequentially arranged from bottom to top, filler vegetable layer and greenhouse area, aeration agitation layer is arranged at below ground, filler vegetable layer is arranged at the middle and upper part of aeration agitation layer, aeration agitation layer and filler vegetable layer may be contained within inside greenhouse area.The utility model will be manually isolated, the way of filling adsorption and plant absorption deodorization technology use in conjunction, both it ensure that odorless produced around processing system, the effect of beautification landscape environment is realized again, plant and hand-stuff are combined, add the value volume and range of product of microorganism, with extensive promotional value, while also there are good economic results in society.

Description

A kind of device of ecosystem processing sewage
Technical field
It the utility model is related to technical field of sewage, more particularly to a kind of device of ecosystem processing sewage.
Background technology
China's domestic sewage of villages and small towns discharge is mainly manifested in:(1) small scale and scattered, majority is 500m3/ below d;(2) Region water quality difference is big, and effluent quality requires high;(3) water, change of water quality are big, and particularly early, middle and late concentration cooking time is dirty Water peaks;(4) sewage disposal device floor space is big, safeguards that operation is cumbersome;(5) stink is produced in sewage disposal process Greatly, the problems such as being impacted to surrounding environment.
With reference to the problem of above-mentioned, the sewage disposal technology in China villages and small towns denitrogenation dephosphorizing be present and resistance to overload shock effect is poor, It is unfavorable for landscape effect, and energy consumption is higher, has a large amount of stinks to produce, in view of the above-mentioned problems, being required to make corresponding improvement.
Utility model content
The utility model provides a kind of device of ecosystem processing sewage, can solve the problem that equipment occupation of land in the prior art Greatly, cumbersome operation, high energy consumption are safeguarded, has the problem of stink generation and poor denitrification and dephosphorization effect.
In order to solve the above technical problems, technical solution adopted in the utility model is:A kind of ecosystem handles sewage Device, including pretreatment unit, biological processing unit, filter element and the disinfection unit being sequentially connected, the biology Processing unit includes anaerobic zone, anoxic zone and the aerobic zone in cascading structure being sequentially connected, and the anaerobic zone, anoxic zone are become reconciled Oxygen area includes the aeration agitation floor being sequentially arranged from bottom to top, and filler vegetable layer and greenhouse area, the aeration agitation layer are set In below ground, the filler vegetable layer is arranged at the middle and upper part of aeration agitation layer, the aeration agitation layer and filler vegetable layer It may be contained within greenhouse area lower inside.
As further optimization, anaerobic zone, anoxic zone and aerobic zone are provided with some groups of circulating series, the aerobic zone Return duct is additionally provided between anoxic zone.
As further optimization, filler vegetable layer includes the emergent aquactic plant being arranged in plant groove and emergent aquactic plant lower section Deodorant filler on supporting network, the deodorant filler are one in the fillers such as block cocoanut active charcoal, rubble, haydite, terrazzo Kind is several.
As further optimization, emergent aquactic plant be perennial emergent aquactic plant, and the emergent aquactic plant is wilson iris, aquatic One or more in canna, thaliadeabata, Lythrum salicaria, cyperus alternifolius, mullet grass, Scirpus tabernaemontani, giantreed, rush.
As further optimization, the downflow weir of adjustable liquid level height is additionally provided with below emergent aquactic plant.
As further optimization, hand-stuff is provided with aeration agitation layer, hand-stuff includes elastic filler, combination is filled out One or more in material and carbon fibre class filler.
As further optimization, greenhouse area sewage minimum temperature is 8 DEG C.
As further optimization, pretreatment unit, biological processing unit, filter element and disinfection unit are prefabricated Integrated steel construction.
As further optimization, pretreatment unit includes one or more of grid, regulating reservoir and setting pot.
It is using beneficial effect caused by above-mentioned technical proposal:The utility model will be manually isolated, filling adsorption and The way of plant absorption deodorization technology use in conjunction, it both ensure that odorless produced around processing system, and realized beautification landscape again The effect of environment, plant and hand-stuff are combined, and add the value volume and range of product of microorganism, reduce the occupation of land of biological tank Area and dwell time of sewage, the resistance to overload shock of processing system being enhanced, make sewage effluent quality good, sludge yield is few, and Free from extraneous odour solves villages and small towns sewage-treatment plant high energy consumption, sludge yield is big, and equipment easily blocks, and filler is easy to aging, has without blocking The problem of caused by stink, more advanced technique is provided for urban wastewater treatment, there is extensive promotional value, while also have There are good economic results in society.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the device of ecosystem processing sewage of the utility model.
Fig. 2 is the enlarged diagram of filler vegetable layer in Fig. 1.
In figure:100th, pretreatment unit;110th, grid;120th, regulating reservoir;200th, biological processing unit;210th, anaerobic zone; 211st, aeration agitation layer;212nd, filler vegetable layer;213rd, greenhouse area;220th, anoxic zone;221st, emergent aquactic plant;222nd, deodorization is filled out Material;230th, aerobic zone;300th, filter element;400th, disinfection unit.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.
As shown in Figure 1 to Figure 2, a kind of device of ecosystem processing sewage, including the pretreatment unit being sequentially connected 100th, biological processing unit 200, filter element 300 and disinfection unit 400, the biological processing unit 200 are included sequentially The connected anaerobic zone 210, anoxic zone 220 and aerobic zone 230 in cascading structure, the anaerobic zone 210, anoxic zone 220 are become reconciled Oxygen area 230 includes the aeration agitation floor 211 being sequentially arranged from bottom to top, filler vegetable layer 212 and greenhouse area 213, the exposure Gas agitating layer 211 is arranged at below ground, and the filler vegetable layer 212 is arranged at the middle and upper part of aeration agitation layer 211, the exposure Gas agitating layer 211 and filler vegetable layer 212 may be contained within the lower inside of greenhouse area 213.Pass through anaerobic zone, anoxic zone and aerobic The various combinations in area and different sludge reflux modes are made a return journey has denitrogenation dephosphorizing except organic pollutants and nitrogen, phosphorus etc. The A/O or A of effect2O sewage water treatment methods, the technique not only can effectively go dephosphorization and nitrogen, and COD, BOD and SS remove effect Fruit can also improve the settling property of sludge, and to contaminant removal efficiency height, run steady also superior to the activated sludge process of routine It is fixed, there is the characteristics of preferable anti impulsion load.The cascading design of whole device, with the reduction of concentration of wastewater, the aeration of system Amount also gradually reduces, so as to reach energy-saving purpose.
The setting of filler vegetable layer 212 is according to natural plant using plant floating bed technology, plant floating bed technology The rule of growth, by higher aquatic plants or improved terrestrial plant artificial growth to water surface, utilize plant root Competition mechanism between absorption, suction-operated and species, resolution are enriched in the nitrogen, phosphorus and other nuisances of water body Matter, to reach the purpose to purify water.Anaerobic zone 210 has ammoniation and polyP bacteria release phosphorus, and anoxic zone 220 has anti-nitre Change acts on, and aerobic zone 230 has nitrification, except carbon effect and polyP bacteria absorb phosphorus;Another aspect filler vegetable layer 212 exists In the growth course of plant, the nitrogen phosphorus in sewage is absorbed.With reference to the present situation of villages and small towns sewage disposal, by A/O or A2/O works Skill and plant floating bed technology organically combine a kind of novel ecological water technology of side energy, suitable for the present situation of existing town sewage.
The utility model, it will be manually isolated, the way of filling adsorption and plant absorption deodorization technology use in conjunction, both ensured Odorless produces around processing system, realizes the effect of beautification landscape environment again, plant and hand-stuff be combined, and increases The value volume and range of product of microorganism, reduces the floor space and dwell time of sewage of biological tank, enhances the resistance to of processing system Load impact makes sewage effluent quality good, and sludge yield is few, and free from extraneous odour has extensive promotional value without blocking, while With good economic results in society.
As further optimization, as shown in figure 1, anaerobic zone 210, anoxic zone 220 and aerobic zone 230 are provided with circulating series Some groups, be additionally provided with return duct between the anoxic zone 220 and aerobic zone 230.Each region is designed to continuous cascading Structure, because each region is by controlling the dissolved oxygen concentration plant different with plantation, forms it into different microorganisms, plant Thing, animal community, have to pollutant and targetedly remove.Sewage touches different lifes when these regions are flowed through State system, by the ecosystem of different levels by contaminant degradation, the utilization rate of oxygen is so improved, reduces energy consumption, produced Raw less sludge.The characteristics of for sewage quality, can be arranged to the unit of multiple circulating series, ensure by repeatedly place Reach preferable effluent quality after reason.
As further optimization, as shown in Fig. 2 filler vegetable layer 212 includes the emergent aquactic plant being arranged in plant groove 221 and the online deodorant filler 222 of the supported underneath of emergent aquactic plant 221, the deodorant filler 222 is block cocoanut active charcoal, broken One or more in the fillers such as stone, haydite, terrazzo.The thickness of 222 kinds of every kind of materials of deodorant filler is 10cm, also can basis Actual conditions are adjusted.Because the nitrogen phosphorus in sewage is sufficient, the root growth of emergent aquactic plant 221 can be made flourishing, it is very suitable Microorganism colonization is closed, while the enzyme of root system of plant release and oxygen provide extraordinary living environment for microorganism growth.Plant The biofilm efficiency for improving microorganism is used in combination in thing root system and hand-stuff, excites microbial activity, also reduces throwing Provide cost.The setting mainly using plant combine physical absorption effect realize joint deodorization, for stink caused by system from After the water surface overflows, first by the deodorant filler 222 that is laid on supporting network by a part of Adsorption, then by emergent aquactic plant 221 root leaf absorbs degraded, is finally emptied in greenhouse area 213 after enrichment, purification.Ensure the production that is destitute of smell in package unit It is raw, prevent the pollution to surrounding environment.
As further optimization, emergent aquactic plant 221 is perennial emergent aquactic plant, and the emergent aquactic plant 221 is chrysanthemum kite One or more in tail, canna glauca, thaliadeabata, Lythrum salicaria, cyperus alternifolius, mullet grass, Scirpus tabernaemontani, giantreed, rush.With tool The emergent aquactic plant 221 for having purifying water quality absorbs the nitrogen phosphorus in sewage, and is grown using the flourishing root system of plant as microorganism The carrier of breeding.The carrier of this mode not only increases the biological affinity of hand-stuff and deodorant filler 222, and increases Filling area, adds biomass concentration, enriches the species of species, make the sludge yield of technique reduce, later stage operation dimension Protecting cost reduces.Above-mentioned emergent aquactic plant is planted in plant groove, and plant groove should be immersed at the 20cm of underwater, plant trench bottom Using pore size 2cm × 2cm Stainless steel mesh, emergent aquactic plant 221 is after being fixed in planting groove, using rubble or pottery Grain is fixed, prevents from moving.Emergent aquactic plant 221 delivers to oxygen and some enzymes on the surface of the plant roots and stems of greenhouse area 213, is solid Good environment is provided due to this biomembrane, enzyme excites microbial activity, adds more rich biological species, such as thin Bacterium, protozoan, Vermes (Nemata, rotifers), mollusk (snail), arthropod etc., promote to pollutant Conversion degraded, natural plants root system have high bioaffinity, and microorganism colonization is fast, and is not easily susceptible to water currents.
As further optimization, it is also the downflow weir of height that the lower section of emergent aquactic plant 221, which is additionally provided with adjustable,.Due to part Emergent aquactic plant 221 can enter dead leaf rest period in November, and bulb continues to be immersed in water, and death of rotting occurs in plant, influence Survival rate, and the downflow weir of adjustable liquid level is designed, when being adapted to vegetation season, system can automatically control downflow weir, carry High water level, make the purification of plant, absorbed nitrogen phosphorus effect maximum, when plant rest period withered into leaf, downflow weir can reduce water level, Plant butt rot is prevented, avoids plant dead.
As further optimization, as shown in figure 1, being provided with hand-stuff in aeration agitation layer 211, hand-stuff includes bullet One or more in property filler, combined stuffing and carbon fibre class filler.The setting of aeration agitation layer 211 is on the one hand by stirring The organic matter in sewage is mixed, prevents precipitation from blocking;On the other hand oxygen content concentration in different zones can be controlled, anaerobic zone is molten Solution oxygen mass concentration is generally less than 0.2mg/L, and anoxic zone dissolved oxygen mass concentration is generally 0.2mg/L~0.5mg/L, aerobic zone Dissolved oxygen mass concentration is typically no less than 2mg/L.It because the nitrogen phosphorus in sewage is sufficient, can give birth to the root system of emergent aquactic plant 221 It is long flourishing, be especially suitable for microorganism colonization, while the enzyme of root system of plant release and oxygen be microorganism grow provide it is very good Living environment.The biofilm efficiency for improving microorganism is used in combination in root system of plant and hand-stuff, excites microorganism work Property, also reduce cost of investment.
As further optimization, as shown in figure 1, greenhouse area 213 can rise to sewage minimum temperature 6 DEG C -8 DEG C. Prefabricated greenhouse area 213 ensures to the indoor temperature of emergent aquactic plant 221 and minimum 6 DEG C to 8 DEG C of microorganism to ensure in the winter time The treatment effect of winter whole device.
As further optimization, as shown in figure 1, pretreatment unit 100, biological processing unit 200, filter element 300 It is to be prefabricated into integrated steel structure with disinfection unit 400.Simultaneously for the ease of producing and installing, above-mentioned unit also may be used In the form of using modular combination, sewage removes big floating object and to water quality adjustment by pretreatment unit 100, and buffering is not Change with period water, then sewage is elevated is pumped into biological processing unit 200, anaerobic zone 210, the and of anoxic zone 220 Aerobic zone 230 forms it into different microorganisms, plant, fauna by controlling the dissolved oxygen concentration plant different with plantation Fall, have to pollutant and targetedly remove.Sewage touches the different ecosystems, quilt when these regions are flowed through Contaminant degradation is so improved the utilization rate of oxygen, reduces energy consumption, produce less dirt by the ecosystem of different levels Mud, the further purification of water quality is then being carried out by filter element 300 and disinfection unit 400, is obtaining meeting and strictly The water outlet asked.
As further optimization, as shown in figure 1, pretreatment unit 100 includes grid 110, regulating reservoir 120 and setting pot One or more of.After sewage removes big floating object by grid 110, gravity flow enters regulating reservoir 120, to water quality adjustment While, the water change of buffering different periods.Above-mentioned grid 110, regulating reservoir 120 and the setting pot of including can be according to the actual water of sewage Matter feature carries out one or more selections.
The utility model will be manually isolated, the way of filling adsorption and plant absorption deodorization technology use in conjunction, both be ensured Odorless produces around processing system, realizes the effect of beautification landscape environment again, makes sewage effluent quality good, sludge yield It is few, and plant and hand-stuff are combined without blocking, add the value volume and range of product of microorganism, reduce biology by free from extraneous odour The floor space and dwell time of sewage in pond, the resistance to overload shock of processing system is enhanced, solves villages and small towns sewage-treatment plant High energy consumption, sludge yield is big, and equipment easily blocks, and filler is easy to aging, there is the problem of caused by stink, is provided for urban wastewater treatment More advanced technique, has extensive promotional value, while also have good economic results in society.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model All any modification, equivalent and improvement made within new idea and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims (9)

  1. A kind of 1. device of ecosystem processing sewage, it is characterised in that:Including the pretreatment unit (100), raw being sequentially connected Thing processing unit (200), filter element (300) and disinfection unit (400), the biological processing unit (200) include suitable The secondary connected anaerobic zone (210), anoxic zone (220) and aerobic zone (230) in cascading structure, the anaerobic zone (210), anoxic Area (220) and aerobic zone (230) include the aeration agitation floor (211) being sequentially arranged from bottom to top, filler vegetable layer (212) and Greenhouse area (213), the aeration agitation layer (211) are arranged at below ground, and the filler vegetable layer (212) is arranged at aeration and stirred The middle and upper part of layer (211) is mixed, the aeration agitation layer (211) and filler vegetable layer (212) may be contained within the interior of greenhouse area (213) Below portion.
  2. A kind of 2. device of ecosystem processing sewage according to claim 1, it is characterised in that:The anaerobic zone (210), anoxic zone (220) and aerobic zone (230) are provided with some groups of circulating series, the anoxic zone (220) and aerobic zone (230) return duct is additionally provided between.
  3. A kind of 3. device of ecosystem processing sewage according to claim 1, it is characterised in that:The filler vegetable layer (212) including the online deodorant filler of the emergent aquactic plant (221) being arranged in plant groove and emergent aquactic plant (221) supported underneath (222), the deodorant filler (222) is the one or more in block cocoanut active charcoal, rubble, haydite, water mill hardcore.
  4. A kind of 4. device of ecosystem processing sewage according to claim 3, it is characterised in that:The emergent aquactic plant (221) it is perennial emergent aquactic plant, the emergent aquactic plant (221) is wilson iris, canna glauca, thaliadeabata, Lythrum salicaria, wind One or more in car grass, mullet grass, Scirpus tabernaemontani, giantreed, rush.
  5. A kind of 5. device of ecosystem processing sewage according to claim 4, it is characterised in that:The emergent aquactic plant (221) lower section is additionally provided with the downflow weir of adjustable liquid level height.
  6. A kind of 6. device of ecosystem processing sewage according to claim 1, it is characterised in that:The aeration agitation layer (211) hand-stuff is provided with, the hand-stuff includes one kind in elastic filler, combined stuffing and carbon fibre class filler It is or several.
  7. A kind of 7. device of ecosystem processing sewage according to claim 1, it is characterised in that:The greenhouse area (213) minimum 8 DEG C of sewage.
  8. A kind of 8. device of ecosystem processing sewage according to claim 1, it is characterised in that:The pretreatment unit (100), biological processing unit (200), filter element (300) and disinfection unit (400) are to be prefabricated into integrated steel structure.
  9. A kind of 9. device of ecosystem processing sewage according to claim 1, it is characterised in that:The pretreatment unit (100) one or more of grid (110), regulating reservoir (120) and setting pot are included.
CN201720833562.3U 2017-07-11 2017-07-11 A kind of device of ecosystem processing sewage Expired - Fee Related CN207108755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720833562.3U CN207108755U (en) 2017-07-11 2017-07-11 A kind of device of ecosystem processing sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720833562.3U CN207108755U (en) 2017-07-11 2017-07-11 A kind of device of ecosystem processing sewage

Publications (1)

Publication Number Publication Date
CN207108755U true CN207108755U (en) 2018-03-16

Family

ID=61575676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720833562.3U Expired - Fee Related CN207108755U (en) 2017-07-11 2017-07-11 A kind of device of ecosystem processing sewage

Country Status (1)

Country Link
CN (1) CN207108755U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408915A (en) * 2018-04-12 2018-08-17 广东海洋大学 A kind of interval stagewise sewage-treatment plant based on water plant
CN109179894A (en) * 2018-10-11 2019-01-11 中国葛洲坝集团水务运营有限公司 Collect microorganism-aquatic animal-water plant collaboration depth degradation Pollutants in Wastewater device and method
CN109665670A (en) * 2019-01-18 2019-04-23 江苏长三角智慧水务研究院有限公司 A kind of green roof system and construction method irrigated using sanitary sewage
CN110054368A (en) * 2019-05-29 2019-07-26 宜昌朗天新型建材有限公司 A kind of sewage disposal system based on haydite production
CN117125836A (en) * 2023-10-13 2023-11-28 广东新泰隆环保集团有限公司 Intelligent three-dimensional ecological biological membrane sewage treatment system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408915A (en) * 2018-04-12 2018-08-17 广东海洋大学 A kind of interval stagewise sewage-treatment plant based on water plant
CN109179894A (en) * 2018-10-11 2019-01-11 中国葛洲坝集团水务运营有限公司 Collect microorganism-aquatic animal-water plant collaboration depth degradation Pollutants in Wastewater device and method
CN109179894B (en) * 2018-10-11 2024-01-02 葛洲坝集团生态环保有限公司 Device and method for synergistic deep degradation of pollutants in wastewater by microorganism-aquatic animals-aquatic plants
CN109665670A (en) * 2019-01-18 2019-04-23 江苏长三角智慧水务研究院有限公司 A kind of green roof system and construction method irrigated using sanitary sewage
CN110054368A (en) * 2019-05-29 2019-07-26 宜昌朗天新型建材有限公司 A kind of sewage disposal system based on haydite production
CN117125836A (en) * 2023-10-13 2023-11-28 广东新泰隆环保集团有限公司 Intelligent three-dimensional ecological biological membrane sewage treatment system
CN117125836B (en) * 2023-10-13 2024-02-20 广东新泰隆环保集团有限公司 Intelligent three-dimensional ecological biological membrane sewage treatment system

Similar Documents

Publication Publication Date Title
CN207108755U (en) A kind of device of ecosystem processing sewage
CN108033566B (en) One heavy metal species prevention and control system and the heavy metal preventing control method for using it
US7585413B2 (en) Method and apparatus for treating animal waste and wastewater
CN106630385B (en) It is a kind of cultivate tail water regeneration rice waterborne make method
CN105600951B (en) A kind of construction method of wetland park formula ecology water purification system
CN102863081A (en) Three-dimensional ecological deodorization dephosphorization denitrification method as well as device and application
CN208776519U (en) A kind of artificial swamp multistage reinforcing pool sewage disposal system
CN201850198U (en) Efficient denitrifying wetland system for advanced treatment of tail water of sewerage treatment plant
CN205653236U (en) Wetland park formula ecological water clean system
CN101602563A (en) The method of biology, ecological sectional purifying treatment sanitary sewage
CN108946950A (en) A kind of multifunction manual chinampa water purification system
CN108996829A (en) A kind of method of high-efficient purification livestock and poultry farm sewage
CN101391855A (en) Method for treating rural disperse sewage by using high load vermibiofilter
CN205442798U (en) Green ecological chinampa device
CN105314797B (en) A kind of Worm biological filter tank of sewage sludge synchronization process and its application
CN103435157B (en) Low-energy and intelligent three-dimensional ecological internal circulation nitrification method and apparatus
CN107285558A (en) Sewage treatment unit based on drop type biological filtering tower combined working unit
CN202430089U (en) Sustainable processing system for waste water for raising pig
CN102173535A (en) Method and system for improving denitrification efficiency of underflow artificial wetlands
CN104692598B (en) Ecological treatment device for supplying recycled water to landscape water
CN102398991B (en) Undercurrent type garden filter tank sewage treatment system
CN204569656U (en) A kind of ecological treatment apparatus of reuse water supply landscape water
CN208166682U (en) Multi-stage ecological artificial swamp for sewage disposal system
CN202279760U (en) Tree-purification domestic sewage treatment system
CN100506707C (en) Controlled biomembrane landscape wetland sewage purification system and technique

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180316

Termination date: 20190711