CN105948405A - Domestic sewage treatment plant and treatment method - Google Patents
Domestic sewage treatment plant and treatment method Download PDFInfo
- Publication number
- CN105948405A CN105948405A CN201610477328.1A CN201610477328A CN105948405A CN 105948405 A CN105948405 A CN 105948405A CN 201610477328 A CN201610477328 A CN 201610477328A CN 105948405 A CN105948405 A CN 105948405A
- Authority
- CN
- China
- Prior art keywords
- layer
- straw
- adsorbing sphere
- shaped passage
- waste water
- 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.)
- Pending
Links
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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a domestic sewage treatment plant. The domestic sewage treatment plant is sequentially composed of a sand soil layer, a sandstone layer, a microbial reaction layer, an adsorption layer and a drainage layer from top to bottom, wherein vegetables are grown on the sand clay layer; a water inlet pipe is arranged in the sandstone layer; an aeration device is installed in the microbial reaction layer; the adsorption layer comprises a U-shaped channel; the upper side of the U-shaped channel is composed of a wire mesh; straw adsorption balls are arranged in the U-shaped channel; both ends of the U-shaped channel are open; each opening is provided with an end cover; the straw adsorption balls can be periodically removed and replaced; the drainage layer is provided with a water outlet pipe; and an outlet of the water outlet pipe is provided with a combined film. By adopting crop wheat/corn straws as the adsorbent, the domestic sewage treatment plant changes wastes into valuable substances, and is especially suitable for rural areas.
Description
Technical field
The present invention relates to Water warfare field, particularly a kind of Domestic waste water treating device and processing method.
Background technology
Artificial swamp is a comprehensive ecosystem, intergrowth of species, material principle of recycling and regeneration in its application ecosystem, structure and orthofunction principle, on the premise of promoting the benign cycle of Pollutants in Wastewater matter, give full play to the productive potentialities of resource, prevent the recontamination of environment, it is thus achieved that sewage disposal and the optimum efficiency of resource.The plant of artificial swamp can also carry oxygen for water body, increases the activity of water body.Wetland plant is controlling water pollution, and degraded harmful substance also plays important effect.
During the season arriving getting wheat, Semen Maydis or Oryza sativa L. every year, strong due to people's environmental consciousness in rural area, be seen everywhere burning wheat stalk and corn straw etc., not only causes serious air pollution, but also can cause fire.Before just it has been reported that burn wheat stalk in a large number to cause air pollution due to people, road low visibility, a highway is caused to be knocked into the back.And the waste water in life in the countryside is also to discharge everywhere, in especially summer, these waste water send niff.
The present invention is by wheat stalk, corn straw etc. apply in artificial wet land system, process the waste water in life in the countryside, the present invention using effect in rural area is better than traditional wastewater treatment plant, first artificial swamp uses pure biotechnology to carry out purification of water quality, sewage treatment plant then makes chemically, therefore sewage treatment plant can produce a large amount of mud rich in harmful chemical component in processing procedure, waste residue affects environment, the most there is not secondary pollution in artificial swamp, but also the agricultural crop straw being likely to result in secondary pollution is turned waste into wealth, scale of the present invention is changeable, one piece can be shared with twenty or thirty family family, can also a family other make one piece, small investment, easy to maintenance, and floor space is little, coordinate plantation this season vegetable, also can reach the effect beautifying view.
Summary of the invention
It is an object of the invention to provide a kind of Domestic waste water treating device and processing method, with the problem solving to propose in above-mentioned background technology.
nullFor achieving the above object，The present invention provides following technical scheme: a kind of Domestic waste water treating device，Described a kind of Domestic waste water treating device is followed successively by sandy soils from top to bottom、Sand stone layer、Microbial reaction layer、Adsorption layer、Drainage blanket，Planting vegetable on described sandy soils，It is disposed with water inlet pipe in described sand stone layer，It is placed with immobilized microorganism ball in described microbial reaction layer，This immobilized microorganism ball uses activated sludge to mix in the ratio of 1:1 with gravel，Add chemical agent to stir，It is fabricated to the spherical of a diameter of 3-6cm size，In microbial reaction layer, aerator is installed，Described adsorption layer includes U-shaped passage，Formed by by layer of steel wire net on the upside of U-shaped passage，Straw adsorbing sphere it is provided with in U-shaped passage，U-shaped passage both ends open，Opening part is provided with end cap，Straw adsorbing sphere can periodically remove replacing，Described drainage blanket is provided with outlet pipe，Outlet pipe outlet is provided with combined films.
Preferably, described straw adsorbing sphere is by Semen Tritici aestivi, the straw drip washing of Semen Maydis, then dries at 80 DEG C, and size-reduced machine is pulverized, then is rolled balling-up, the plastic sheeting of one layer of porous of ball outer wrapping by machine.
Preferably, described combined films is divided into three layers, it is followed successively by filter course, secondary filtration layer, sterilizing layer from top to bottom, described filter course is the cake of the thickness being rolled into 2-3mm by domestic gauze, filter the impurity that some granules are big, described secondary filtration layer is made up of micro-filtration membrane, described sterilizing layer is by chlorine dioxide, activated carbon, kieselguhr, the mixing of silicate ramming material, outside layer overlay domestic gauze dries, described combined films is fixed by membrane support, described membrane support is hollow cylinder, and upper end is provided with screw thread, is threaded connection with one end of outlet pipe.
Preferably, wood flour rice husk layer thick for 0.6m has been laid between described sandy soils and sand stone layer as heat-insulation layer.
Preferably, a kind of method processing sewage with this device, method is as follows:
nullSewage in life enters sewage-treatment plant by water inlet pipe，Some oarse-grained impurity have been filtered by sand stone layer，Microorganism in microbial treatments layer and crops vegetable to sewage in organic substance、Nitrogen、The absorption of phosphorus is decomposed，Again by mud and some microorganisms in straw adsorbing sphere absorption water in adsorption layer，Straw adsorbing sphere in adsorption layer is changed once for 10-15 days，Open the end cap at U-shaped access portal，Straw adsorbing sphere is sequentially placed in U-shaped passage，Original straw adsorbing sphere is expressed to other end opening through action of gravity by the straw adsorbing sphere entered in U-shaped passage，Now straw adsorbing sphere is taken out，The sewage processed through adsorption layer is discharged from drainage blanket，Combined film again filter and sterilize just can by water again with，Some this season vegetables can be planted on sandy soils，Combined films can be changed once with 10-15，By screw thread combined films turned on and take off，It is loaded on new.
nullCompared with prior art，The invention has the beneficial effects as follows: a kind of Domestic waste water treating device is followed successively by sandy soils from top to bottom、Sand stone layer、Microbial reaction layer、Adsorption layer、Drainage blanket，Planting vegetable on sandy soils，Water inlet pipe it is disposed with in sand stone layer，It is placed with immobilized microorganism ball in described microbial reaction layer，This immobilized microorganism ball uses activated sludge to mix in the ratio of 1:2 with gravel，Add chemical agent to stir，It is fabricated to the spherical of a diameter of 3-6cm size，In microbial reaction layer, aerator is installed，Described adsorption layer includes U-shaped passage，Formed by by layer of steel wire net on the upside of U-shaped passage，Straw adsorbing sphere it is provided with in U-shaped passage，U-shaped passage both ends open，Opening part is provided with end cap，Straw adsorbing sphere can periodically remove replacing，Described drainage blanket is provided with outlet pipe，Outlet pipe outlet is provided with combined films.Straw adsorbing sphere is by Semen Tritici aestivi, the straw drip washing of Semen Maydis, then dries at 80 DEG C, and size-reduced machine is pulverized, then is rolled balling-up, the plastic sheeting of one layer of porous of ball outer wrapping by machine.nullSemen Tritici aestivi and corn straw have absorbability，Impurities in water can be adsorbed，By wheat stalk、Corn straw etc. apply in artificial wet land system，Process the waste water in life in the countryside，The present invention using effect in rural area is better than traditional wastewater treatment plant，First artificial swamp uses pure biotechnology to carry out purification of water quality，Sewage treatment plant then makes chemically，Therefore sewage treatment plant can produce a large amount of mud rich in harmful chemical component in processing procedure、Waste residue affects environment，The most there is not secondary pollution in artificial swamp，But also the agricultural crop straw being likely to result in secondary pollution is turned waste into wealth，Scale of the present invention is changeable，One piece can be shared with twenty or thirty family family，Can also a family other make one piece，Small investment，Easy to maintenance，And floor space is little，Coordinate plantation this season vegetable，Economic benefit can not only be brought，Also can reach the effect beautifying view.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the profile of combined films.
In figure: 1, sandy soils, 2, sand stone layer, 3, end cap, 4, straw adsorbing sphere, 5, adsorption layer, 6, microbial reaction layer, 7, drainage blanket, 8, outlet pipe, 9, combined films, 10, vegetable, 11, water inlet, 12, heat-insulation layer, 13, sterilizing layer, 14, secondary filtration layer, 15, filter course, 16, membrane support, 17, screw thread.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullEmbodiment 1，Refer to figure，The present invention provides a kind of technical scheme: a kind of Domestic waste water treating device，This device is followed successively by sandy soils 1 from top to bottom、Sand stone layer 2、Microbial reaction layer 6、Adsorption layer 5、Drainage blanket 7，Planting vegetable 10 on sandy soils 1，Water inlet pipe 11 it is disposed with in sand stone layer 2，Immobilized microorganism ball it is placed with in microbial reaction layer 6，This immobilized microorganism ball uses activated sludge to mix in the ratio of 1:2 with gravel，Add chemical agent to stir，It is fabricated to the spherical of a diameter of 3-6cm size，In microbial reaction layer 6, aerator is installed，Adsorption layer 5 includes U-shaped passage，Formed by by layer of steel wire net on the upside of U-shaped passage，Straw adsorbing sphere 4 it is provided with in U-shaped passage，U-shaped passage both ends open，Opening part is provided with end cap 3，Straw adsorbing sphere 4 can periodically remove replacing，Drainage blanket 7 is provided with outlet pipe 8，Outlet pipe 8 outlet is provided with combined films 9.Straw adsorbing sphere 4 is by Semen Tritici aestivi, the straw drip washing of Semen Maydis, then dries at 80 DEG C, and size-reduced machine is pulverized, then is rolled balling-up, the plastic sheeting of one layer of porous of ball outer wrapping by machine.
nullSewage in life enters sand stone layer 2 by water inlet pipe 11，The impurity of larger particles is filtered by sand stone layer 2，Microorganism in microbial treatments layer 6 and crops vegetable 10 to sewage in organic substance、Nitrogen、The absorption of phosphorus is decomposed，Mud and some microorganisms in water are adsorbed again by straw adsorbing sphere 4 in adsorption layer 5，Straw adsorbing sphere in adsorption layer 5 is changed once for 10 days，Open the end cap 3 at U-shaped access portal，Straw adsorbing sphere 4 is sequentially placed in U-shaped passage，Original straw adsorbing sphere is expressed to other end opening through action of gravity by the straw adsorbing sphere 4 entered in U-shaped passage，Now straw adsorbing sphere is taken out，The sewage processed through adsorption layer 5 is discharged from drainage blanket 7，Combined film 9 again filter and sterilize just can by water again with，Some this season vegetables can be planted on sandy soils 1，Combined films 9 can be changed once with 10 days，By screw thread 18 combined films 9 turned on and take off，It is loaded on new.
Combined films 9 is divided into three layers, it is followed successively by filter course 15, secondary filtration layer 14, sterilizing layer 13 from top to bottom, filter course 15 is the cake of the thickness being rolled into 2-3mm by domestic gauze, filter the impurity that some granules are big, secondary filtration layer 14 is made up of micro-filtration membrane, sterilizing layer 13 is mixed according to 2:1:1:0.5 ratio by chlorine dioxide, activated carbon, kieselguhr, silicate ramming material, then outside repaves last layer domestic gauze, combined films 9 is fixed by membrane support 16, membrane support is hollow cylinder, upper end is provided with screw thread 17, is connected by screw thread 17 with one end of outlet pipe 8.Having laid wood flour rice husk layer thick for 0.6m between sandy soils 1 and sand stone layer 2 as heat-insulation layer, when outdoor temperature is at-15 DEG C, in this device, temperature is held at more than 7 DEG C.
nullEmbodiment 2，A kind of Domestic waste water treating device，This device is followed successively by sandy soils 1 from top to bottom、Sand stone layer 2、Microbial reaction layer 6、Adsorption layer 5、Drainage blanket 7，Planting vegetable 10 on sandy soils 1，Water inlet pipe 11 it is disposed with in sand stone layer 2，In microbial reaction layer 6, aerator is installed，Adsorption layer 5 includes U-shaped passage，Formed by by layer of steel wire net on the upside of U-shaped passage，Straw adsorbing sphere 4 it is provided with in U-shaped passage，U-shaped passage both ends open，Opening part is provided with end cap 3，Straw adsorbing sphere 4 in adsorption layer 5 can be changed once with 15 days，Open the end cap 3 at U-shaped access portal，Straw adsorbing sphere 4 is sequentially placed in U-shaped passage，Original straw adsorbing sphere is expressed to other end opening through action of gravity by the straw adsorbing sphere 4 entered in U-shaped passage，Now straw adsorbing sphere is taken out,，Drainage blanket 7 is provided with outlet pipe 8，Outlet pipe 8 outlet is provided with combined films 9.Straw adsorbing sphere 4 is by Semen Tritici aestivi, the straw drip washing of Semen Maydis, then dries at 80 DEG C, and size-reduced machine is pulverized, then is rolled balling-up, the plastic sheeting of one layer of porous of ball outer wrapping by machine.
Combined films 9 is divided into three layers, it is followed successively by filter course 15 from top to bottom, secondary filtration layer 14, sterilizing layer 13, filter course 15 is the cake of the thickness being rolled into 2-3mm by domestic gauze, filter the impurity that some granules are big, secondary filtration layer 14 is made up of micro-filtration membrane, sterilizing layer 13 is by chlorine dioxide, activated carbon, kieselguhr, silicate ramming material mixes, outside layer overlay domestic gauze dries, combined films 9 is fixed by membrane support 16, membrane support is hollow cylinder, upper end is provided with screw thread 17, it is connected by screw thread 17 with one end of outlet pipe 8, combined films 9 can be changed once with 15 days, by screw thread 17 combined films 9 turned on and take off, it is loaded on new.Having laid wood flour rice husk layer thick for 0.6m between sandy soils 1 and sand stone layer 2 as heat-insulation layer, when outdoor temperature is at-15 DEG C, in this device, temperature is held at more than 7 DEG C.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; conceive in addition equivalent or change according to technical scheme and improvement thereof, all should contain within the scope of the present invention.
Claims (5)
- null1. a Domestic waste water treating device，It is characterized in that: described a kind of Domestic waste water treating device is followed successively by sandy soils from top to bottom、Sand stone layer、Microbial reaction layer、Adsorption layer、Drainage blanket，Planting vegetable on described sandy soils，It is disposed with water inlet pipe in described sand stone layer，It is placed with immobilized microorganism ball in described microbial reaction layer，This immobilized microorganism ball uses activated sludge to mix in the ratio of 1:2 with gravel，Add chemical agent to stir，It is fabricated to the spherical of a diameter of 3-6cm size，In microbial reaction layer, aerator is installed，Described adsorption layer includes U-shaped passage，Formed by by layer of steel wire net on the upside of U-shaped passage，Straw adsorbing sphere it is provided with in U-shaped passage，U-shaped passage both ends open，Opening part is provided with end cap，Straw adsorbing sphere can periodically remove replacing，Described drainage blanket is provided with outlet pipe，Outlet pipe outlet is provided with combined films.
- A kind of Domestic waste water treating device the most according to claim 1, it is characterized in that: described straw adsorbing sphere is by Semen Tritici aestivi, the straw drip washing of Semen Maydis, then drying at 80 DEG C, size-reduced machine is pulverized, balling-up, the plastic sheeting of one layer of porous of ball outer wrapping is rolled again by machine.
- A kind of Domestic waste water treating device the most according to claim 2, it is characterized in that: described combined films is divided into three layers, it is followed successively by filter course from top to bottom, secondary filtration layer, sterilizing layer, described filter course is the cake of the thickness being rolled into 2-3mm by domestic gauze, filter the impurity that some granules are big, described secondary filtration layer is made up of micro-filtration membrane, described sterilizing layer is by chlorine dioxide, activated carbon, kieselguhr, silicate ramming material is mixed according to 2:1:1:0.5 ratio, then outside repaves last layer domestic gauze, described combined films is fixed by membrane support, described membrane support is hollow cylinder, upper end is provided with screw thread, it is threaded connection with one end of outlet pipe.
- A kind of Domestic waste water treating device the most according to claim 3, is characterized in that: laid wood flour rice husk layer thick for 0.6m between described sandy soils and sand stone layer as heat-insulation layer.
- nullA kind of Domestic waste water treating device the most according to claim 4，Using method is as follows: the sewage in life enters sewage-treatment plant by water inlet pipe，The impurity of larger particles is filtered by sand stone layer，Microorganism in microbial treatments layer and crops vegetable to sewage in organic substance、Nitrogen、The absorption of phosphorus is decomposed，Again by mud and some microorganisms in straw adsorbing sphere absorption water in adsorption layer，Straw adsorbing sphere in adsorption layer is changed once for 10-15 days，Open the end cap at U-shaped access portal，Straw adsorbing sphere is sequentially placed in U-shaped passage，Original straw adsorbing sphere is expressed to other end opening through action of gravity by the straw adsorbing sphere entered in U-shaped passage，Now straw adsorbing sphere is taken out，The sewage processed through adsorption layer is discharged from drainage blanket，Combined film again filter and sterilize just can by water again with，Some this season vegetables can be planted on sandy soils，Combined films can be changed once with 10-15 days，By screw thread combined films turned on and take off，It is loaded on new.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477328.1A CN105948405A (en) | 2016-06-27 | 2016-06-27 | Domestic sewage treatment plant and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477328.1A CN105948405A (en) | 2016-06-27 | 2016-06-27 | Domestic sewage treatment plant and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948405A true CN105948405A (en) | 2016-09-21 |
Family
ID=56904246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610477328.1A Pending CN105948405A (en) | 2016-06-27 | 2016-06-27 | Domestic sewage treatment plant and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105948405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555726A (en) * | 2017-10-23 | 2018-01-09 | 陕西路盾公路工程有限公司 | Household domestic sewage equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347388Y (en) * | 2009-02-13 | 2009-11-18 | 王晓彬 | Portable potable water purifier |
| CN104085995A (en) * | 2014-08-01 | 2014-10-08 | 谢众 | Constructed wetland system with heat insulating effect |
-
2016
- 2016-06-27 CN CN201610477328.1A patent/CN105948405A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347388Y (en) * | 2009-02-13 | 2009-11-18 | 王晓彬 | Portable potable water purifier |
| CN104085995A (en) * | 2014-08-01 | 2014-10-08 | 谢众 | Constructed wetland system with heat insulating effect |
Non-Patent Citations (1)
| Title |
|---|
| 柳建国: "《畜禽粪便污染的农业***控制模拟及***防控对策》", 30 September 2013, 合肥：合肥工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555726A (en) * | 2017-10-23 | 2018-01-09 | 陕西路盾公路工程有限公司 | Household domestic sewage equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xiong et al. | Bioretention cell incorporating Fe-biochar and saturated zones for enhanced stormwater runoff treatment | |
| Gupta et al. | Use of biochar to enhance constructed wetland performance in wastewater reclamation | |
| US12012711B2 (en) | Ecological slope protection with efficient water purification function and ecological improvment method | |
| CN1098235C (en) | Method and apparatus for disposal and treatment of waste | |
| CN105858907A (en) | Constructed wetland and method for treating domestic sewage | |
| Hu et al. | Effects of temperature on purification of eutrophic water by floating eco-island system | |
| CN104003524B (en) | Ecological adsorption floating bed used for treating eutrophication | |
| Thomaidi et al. | Use of green roofs for greywater treatment: Role of substrate, depth, plants, and recirculation | |
| CN107182607A (en) | A kind of preparation method of organic nutrient soil | |
| CN110241906A (en) | Rainwater purification recycling biological gaseous-waste holdup system | |
| CN108409069A (en) | A kind of rural domestic sewage treatment system | |
| CN105800771B (en) | Biological filter wall system | |
| CN108190995A (en) | A kind of adsorbing sphere for organic pollutants in water body | |
| CN105753160A (en) | Preparation method of floating bed composite substrate for efficient nitrogen and phosphorus removal | |
| CN106362581A (en) | Biofilter packing composition | |
| CN106517677B (en) | Quality of reclaimed water landscape water body keeps structure | |
| CN110745951B (en) | Biological detention pond with dephosphorization and deodorization functions | |
| CN105621786A (en) | Upwelling vertical constructed wetland system for treating agricultural non-point source pollution | |
| CN105948405A (en) | Domestic sewage treatment plant and treatment method | |
| CN101708928A (en) | Unpowered method and unpowered device for treating single-family rural domestic sewage | |
| CN107352655A (en) | A kind of biological bed system for handling organic sewage | |
| CN201587887U (en) | Power-free single-family type rural domestic sewage treatment device | |
| CN104085995B (en) | A kind of artificial wet land system for having an insulation effect | |
| CN215250258U (en) | Non-point source pollution collecting and processing system for livestock farm | |
| CN106977057B (en) | Resource system for treating slaughter wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |