CN203159411U - Zero-energy consumption land adsorption bed sewage-treatment system - Google Patents
Zero-energy consumption land adsorption bed sewage-treatment system Download PDFInfo
- Publication number
- CN203159411U CN203159411U CN 201320174132 CN201320174132U CN203159411U CN 203159411 U CN203159411 U CN 203159411U CN 201320174132 CN201320174132 CN 201320174132 CN 201320174132 U CN201320174132 U CN 201320174132U CN 203159411 U CN203159411 U CN 203159411U
- Authority
- CN
- China
- Prior art keywords
- water
- adsorption bed
- layer
- water distribution
- siphon
- 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 - Lifetime
Links
Images
Landscapes
- Treatment Of Biological Wastes In General (AREA)
Abstract
The utility model discloses a zero-energy consumption land adsorption bed sewage-treatment system which comprises a sewage collection pool, an automatic siphon system, a water distribution system, a breathing tube, a land adsorption bed purification system and a water collection system, wherein the automatic siphon system comprises a siphon pipe, a siphon hood, an air guide pipe and a filter cover, and the automatic siphon system is arranged in the sewage collection pool and connected with the water distribution system; the water distribution system comprises a water distribution pipe with water spray holes densely distributed, and the water distribution system is embedded into the upper part of the land adsorption bed purification system; the breathing tube is connected with the water distribution pipe, and the other end of the breathing tube is exposed out of the ground; the water collection system is arranged at the bottom of the land adsorption bed purification system; the land adsorption bed purification system comprises multilevel diafiltration layers which are sequentially as follows from bottom to top: an anti-permeable layer, a water collection layer, a composite diafiltration layer, a biological treatment layer, a water distribution layer and a greening vegetation layer. The zero-energy consumption land adsorption bed sewage-treatment system disclosed by the utility model realizes the effects of uniform water distribution and air breathing exchange through intermittent-type water distribution and has the advantages of high nitrogen and phosphorus removing capacity, good treated water quality, small investment and low operation cost.
Description
Technical field
The utility model relates to a kind of cesspool sewage percolation treatment system on the spot, is applicable to that the live scattered sewage of settlement of rural area, villa, holiday village five equilibrium handles on the spot, belongs to technical field of sewage.
Background technology
Along with the rural area is renovated and the holiday village Tourism development in flakes, more and more be subjected to people's attention away from the domestic sewage treatment of the dispersion Residential areas in city.Because each section relatively disperses, and rural physical features is complicated and changeable, sewage disposal is difficult to take to set up the mode of centralized pipe network collection system and large-scale wastewater treatment plant.The general mode that adopts decentralized type sewage to handle.Decentralized type sewage is handled oxidation ditch process, extended aeration technology, sequencing batch active sludge and the deformation technique thereof that the technology that adopts usually mainly contains activated sludge process at present; The blodisc of biomembrance process, catalytic oxidation and biological filtering tank process, and natural treatment process such as wetland, stabilization pond.The decentralized type sewage treatment system can overcome many inconveniences of centralized processing, and this mode has the following advantages: do not rely on complicated Infrastructure (as extensive power supply waterworks), be subjected to ectocine little; System independently builds, and operation and maintenance management are more convenient; Be not vulnerable to unpredictable artificial destruction; Can be applicable to various occasions and scale; Handle back sewage and be easy to carry out reuse.Especially in China, economy also is not flourishing especially, makes every effort to saving and the recycling of resource, reaches the purpose of protection environment, uses the required purpose that reaches of decentralized type sewage treatment system energy lower cost.But compare with the big city sewage disposal, the subject matter of disperseing the Residential areas sewage disposal to face has: 1) the equipment operation is not steady, and it is up to standard to go out shipwreck; 2) relatively costly construction cost; 3) compare with the life in the countryside level, working cost is higher; 4) lack staff on duty, operation and maintenance levels are lower; 5) mud suction process and mishandling.
Summary of the invention
Technical problem to be solved in the utility model is the problem that exists at prior art, and the treatment system of a kind of cost-effective dispersion Residential areas sanitary sewage is provided.
For solving this technical problem, the utility model provides a kind of zero energy consumption soil adsorption bed Sewage treatment systems, comprise sewage collecting basin, automatic siphon system, water distribution system, respiratory siphon, soil adsorption bed purification system and water gathering system, the automatic siphon system places sewage collecting basin and water distribution system to pass through pipe connection, water distribution system is embedded in the top of soil adsorption bed purification system, respiratory siphon one end is connected with water distribution system, the other end is exposed on the ground, and water gathering system is arranged at the bottom of soil adsorption bed purification system.
Described automatic siphon system comprises siphon pipe, syphon hood, airway and the filter mantle of being located in the sewage collecting basin, described siphon pipe is U-shaped structure, the one end is feed-water end, after the other end bending with T type pipe coupling, it is upflow tube that the vertical end of T type pipe is higher than high-water, and horizontal ends is connected with water distribution system; Syphon hood is the right cylinder of bottom opening, is upside down in siphonal feed-water end; Airway is the different inverted u-shaped structure of two ends length, inserts siphonal feed-water end at the bottom of its length is held the cover that passes syphon hood; Syphon hood outer cover filter mantle.
Described water distribution system is made of the water distributor of or many parallel connections, and this water distributor is provided with the spout hole that evenly gathers;
Described soil adsorption bed purification system is made up of multistage functional filter layer, is followed successively by from bottom to top: catchment layer, the composite cementation filtering layer of 1200～1800mm, the biological treatment layer of 200～500mm, the water distribution layer of 300～500mm and the afforestation vegetation layer of 500～800mm of impervious barrier, 200～300mm.
Describedly between siphon pipe and syphon hood, be provided with brace rod.
Described impervious barrier is that fluid-tight impervious material is made, and can be concrete structure or plastic barrier layer or glass fiber reinforced plastics product.
The described layer that catchments is that the rubble of 0.5～10mm is formed by diameter.
Described composite cementation filtering layer is made of the inorganic materials that synthetic has solid phosphorus denitrogenation catalytic activity, can be that flyash, pulverizing slag, sintered ceramic powder and artificial soil are composited with one or more, or be raw material with waste residue, unslaked lime, flyash, the binding agent of producing polymerize aluminum chloride, the synthetic materials of after mixing, slaking, oven dry, granulation, roasting, pulverizing, waiting until.
Described biological treatment layer is made up of bio-carrier material and active sludge biological bacterial classification.
Described water distribution layer is made up of the gravel of the about 10～50mm of diameter, and water distributor is embedded in the gravel, and the top of this water distribution layer arranges impervious barrier.
Described water gathering system comprises header and clear water water collecting basin, and the clear water water collecting basin is communicated with the layer that catchments of soil adsorption bed purification system bottom by header.
Beneficial effect: the utility model is imbedded at underground, have to take up an area of that surface-area is few, investment is low, operational management is simple, working cost is low, by the intermittent type water distribution, realized water distribution evenly, the effect that exchanges of air breathing.In the compound bio carrier under the combined action of bacterial metabolism and carrier catalysis, nitrogen phosphorus removes that ability is strong, good processed water quality, and water outlet reaches the emission request of one-level A standard (GB18918-2002) in country's " urban wastewater treatment firm pollutant emission standard ".
Description of drawings
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is automatic siphon system architecture synoptic diagram of the present utility model;
Fig. 3 is water distributor structural representation of the present utility model.
Among the figure: catchment layer, 10 headers, 11 impervious barriers, 12 clear water water collecting basins, 13 filter mantles, 14 airways, 15 of 1 sewage collecting basin, 2 automatic siphon systems, 3 afforestation vegetation layers, 4 water distributors, 5 respiratory siphons, 6 water distribution layer, 7 biological treatment layers, 8 composite cementation filtering layers, 9 covers the ends, 16 brace rods, 17 syphon hoods, 18 upflow tubes, 19 siphon pipes; The high liquid level of a, the low liquid level of b.
Embodiment
The utility model is on the basis of the three-grid septic tank that disperses the Residential areas, continues the advanced purification treatment system of sewage.
Below in conjunction with accompanying drawing the utility model is done specific descriptions.
Figure 1 shows that cross-sectional view of the present utility model.
The utility model comprises sewage collecting basin 1, automatic siphon system 2, water distribution system, respiratory siphon 5, soil adsorption bed purification system and water gathering system, automatic siphon system 2 places sewage collecting basin 1 and water distribution system to pass through pipe connection, water distribution system is embedded in the top of soil adsorption bed purification system, respiratory siphon 5 one ends are connected with water distribution system, the other end is exposed on the ground, and water gathering system is arranged at the bottom of soil adsorption bed purification system.
Figure 2 shows that automatic siphon system architecture synoptic diagram of the present utility model.
Described automatic siphon system 2 comprises siphon pipe 19, syphon hood 17, airway 14 and the filter mantle of being located in the sewage collecting basin 13, described siphon pipe 19 is U-shaped structure, the one end is feed-water end, after the other end bending with T type pipe coupling, it is upflow tube 18 that the vertical end of T type pipe is higher than high-water, and horizontal ends is connected with buried water distribution system by pipeline; Described syphon hood 17 is the right cylinder of bottom opening, and its upper base sealing is upside down in the feed-water end of siphon pipe 19; Described airway 14 is the different inverted u-shaped structure of two ends length, and its long end passes at the bottom of the cover of syphon hood 17 15 feed-water ends that insert siphon pipes 19, is used for regulating the pressure in the syphon hood; Syphon hood 17 outer cover filter mantles 13 are used for intercepting large-scale suspended substance; Describedly between siphon pipe 19 and syphon hood 17, be provided with brace rod 16.
Automatic siphon system 2 can intermittent type flows out sewage, is in full state when guaranteeing water distributor 4 water distributions, reaches the purpose of water distribution uniformity, also air can be brought into during water distribution simultaneously, to satisfy the demand of biological metabolism.
Figure 3 shows that water distributor structural representation of the present utility model.
Described water distribution system is made of the water distributor 4 of or many parallel connections, and described water distributor 4 is provided with equally distributed spout hole, and conduit arrangements can be arranged to a row or multi-row according to landform.
Water distributor 4 is arranged in following about 0.5～0.8 meter water distribution layer 6 of surperficial soil layer.
The water distributor 4 of water distribution system links to each other with siphon pipe 19 by pipeline, and by siphon pipe 19 intermittent operations, its water distribution and the power that stops to come from liquid level difference.
Described soil adsorption bed purification system is made up of multistage functional filter layer, sewage is by the multilayer diafiltration, under the composite multi-component action of microorganisms, realize sewage purification, be followed successively by from bottom to top: catchment layer 9, the composite cementation filtering layer 8 of 1200～1800mm, the biological treatment layer 7 of 200～500mm, the water distribution layer 6 of 300～500mm and the afforestation vegetation layer 3 of 500～800mm of impervious barrier 11,200～300mm.
Described impervious barrier 11 is made for fluid-tight impervious material, can be concrete structure or plastic barrier layer or glass fiber reinforced plastics product.
The described layer 9 that catchments is that the rubble of 0.5～10mm is formed by diameter.
Described composite cementation filtering layer 8 is made of the inorganic materials that synthetic has solid phosphorus denitrogenation catalytic activity, can be that flyash, pulverizing slag, sintered ceramic powder and artificial soil are composited with one or more, or be raw material with waste residue, unslaked lime, flyash, the binding agent of producing polymerize aluminum chloride, the synthetic materials of after mixing, slaking, oven dry, granulation, roasting, pulverizing, waiting until.
Described biological treatment layer 7 is made up of bio-carrier material and active sludge biological bacterial classification.
Described water distribution layer 6 is made up of the gravel of the about 10～50mm of diameter, and water distributor 4 is embedded in the gravel, and the top of this water distribution layer 6 arranges impervious barrier 11.
The superiors of soil adsorption bed purification system are the afforestation vegetation layer of 500～800mm, can plant green plants.
Described water gathering system comprises header 10 and clear water water collecting basin 12, and clear water water collecting basin 12 is communicated with the layer 9 that catchments of soil adsorption bed purification system bottom by header 10.
The bottom material of described water gathering system is fluid-tight impervious material, can be concrete structure, also can be plastic barrier layer or glass fiber reinforced plastics product.
Sewage is stoped by impervious barrier 11 by behind the bed filtration bed, and in the gravel gap, purifying waste water is gathered in the clear water water collecting basin 12 by gravity flow.
Sewage water treatment method of the present utility model comprises following treatment step:
1) the trickle sanitary sewage trickle that enters septic tank enters septic tank, enters sewage collecting basin 1 through the grid filtration gravity flow through the sewage of septic tank fermentative processing under the effect of liquid level difference;
2) water level in the sewage collecting basin 1 and the water level in the syphon hood 17 rise (bottom of syphon hood 17 is opened wide) synchronously, and the gas in the syphon hood 17 is discharged by airway 14; Water level continues to rise, and arrives at the collar extension of airway 14 up to liquid level; In case liquid level arrives airway 14 collar extensions, liquid can seal the air of the inside; Liquid level continues to rise in the sewage collecting basin 1, and liquid level also can rise in the syphon hood 17, but lift velocity will slow down greatly.At this moment, sewage collecting basin 1 median water level produces pressure to the air in syphon hood 17 inner tops and siphon pipe 19 feed-water ends, and the air in the feed-water end is pressed towards the water side; Liquid is near high-water a in sewage collecting basin 1, liquid rises to siphon pipe 19 feed-water end tops in the syphon hood 17, gas in the feed-water end is forced out pipeline by the water side, gas releases, pressure in the siphon pipe 19 reduces, liquid will pour rapidly and will be full of siphon pipe 19 in the syphon hood 17, and syphonic effect begins; Liquid sees through filter mantle 13 and enters buried water distributor 4 through siphon pipe 19, and liquid level descends simultaneously;
3) under the pressure of natural water level difference, the spray orifice of sewage above buried water distributor 4 evenly sprayed water automatically;
4) when the water level of sewage collecting basin 1 is reduced to low liquid level b, enter air in syphon hood 17 and the siphon pipe 19, syphonic effect is destroyed, and draining stops automatically;
5) water of buried water distributor 4 ejections purifies and chemical catalysis through the multi-stage biological of soil adsorption bed purification system, and slowly penetrates into the layer 9 that catchments of bottom, sewage residence time of soil adsorption bed purification system at 7～8 hours;
6) at the layer 9 that catchments, enter clear water water collecting basin 12 through the water that purifies by header 10 gravity flows;
7) water of clear water water collecting basin 12 can qualified discharge, also can be used as secondary water and is used for wooden land or farmland pouring.
Below be several embodiment of soil adsorption bed purification system:
Embodiment one:
Soil adsorption bed purification system is followed successively by from bottom to top:
(1) impervious barrier 11 is made by glass reinforced plastic;
(2) catchment the layer 9 thickness be 250mm, be about 0.5～10mm rubble by diameter and form;
(3) composite cementation filtering layer 8 thickness are 1500mm, are that flyash, sintered ceramic powder and the river sand of 0.1mm～1mm made according to the mixed of 1:1:1 by particle diameter;
(4) biological treatment layer 7 thickness are 300mm, are that the sintered ceramic powder of 1mm～5mm is handled the back through biological pre-film and filled by particle diameter, and composite even back is filled and formed;
(5) thickness of water distribution layer 6 is 300mm, and the gravel that is about 10～50mm by diameter is formed, gravel bed embedding water distributor 4;
(6) water distribution layer 6 tops arrange impervious barrier 11, and this impervious barrier 11 is isolated with HDPE antiseepage cloth;
(7) the afforestation vegetation layer 3 of layout 500mm above the impervious barrier 11 can be planted green plants, and sewage is under the liquid level difference effect, and diafiltration is carried out automatically.
The investment of this practical routine engineering only is 1/5 ~ 1/7 of conventional treatment process, does not have working cost substantially.Operating performance shows: septic tank water after treatment, ammonia nitrogen removal frank is that 85%, COD clearance is 96%, total tp removal rate is 83%.
Embodiment two:
Soil adsorption bed purification system is followed successively by from bottom to top:
(1) impervious barrier 11 is made up of the compound anti seepage membrane of HDPE;
(2) catchment the layer 9 thickness be 200mm, formed by the about 0.5～10mm rubble of diameter;
(3) composite cementation filtering layer 8 thickness are 1500mm, are filled according to the composite even back of the ratio of 1:1:2 at flyash, pulverizing slag and the river sand of 0.1mm～1mm by particle diameter to form;
(4) biological treatment layer 7 thickness are 300mm, handle back at the sintered ceramic powder of 1mm～5mm through biological pre-film by particle diameter and fill;
(5) water distribution layer 6 thickness are 300mm, and the gravel that is about 10～50mm by diameter is formed, gravel embedding water distributor 4;
(6) water distribution layer 6 tops arrange impervious barrier 11, and impervious barrier 11 is formed with the compound anti seepage membrane of HDPE;
(7) the afforestation vegetation layer 3 of layout 500mm above the impervious barrier 11 can be planted green plants, and under the effect of liquid level drop, the sewage diafiltration is carried out automatically.
The investment of present embodiment engineering only is 1/5 of conventional treatment process, does not have working cost substantially.Operating performance shows: septic tank water after treatment, ammonia nitrogen removal frank is that 83%, COD clearance is 92%, total tp removal rate is 80%.
The utility model is imbedded at underground, have to take up an area of that surface-area is few, investment is low, operational management is simple, working cost is low, by the intermittent type water distribution, realized water distribution evenly, the effect that exchanges of air breathing.In the compound bio carrier under the combined action of bacterial metabolism and carrier catalysis, nitrogen phosphorus removes that ability is strong, good processed water quality, and water outlet reaches the emission request of one-level A standard (GB18918-2002) in country's " urban wastewater treatment firm pollutant emission standard ".
The above-mentioned embodiment of the utility model just illustrates, and is not only, all in the utility model scope or the change that is equal in the scope of the present utility model all surrounded by the utility model.
Claims (8)
1. zero energy consumption soil adsorption bed Sewage treatment systems, it is characterized in that: comprise sewage collecting basin (1), automatic siphon system (2), water distribution system, respiratory siphon (5), soil adsorption bed purification system and water gathering system, automatic siphon system (2) places sewage collecting basin (1) to pass through pipe connection with water distribution system, water distribution system is embedded in the top of soil adsorption bed purification system, respiratory siphon (5) one ends are connected with water distribution system, the other end is exposed on the ground, and water gathering system is arranged at the bottom of soil adsorption bed purification system;
Described automatic siphon system (2) comprises siphon pipe (19), syphon hood (17), airway (14) and the filter mantle of being located in the sewage collecting basin (1) (13), described siphon pipe (19) is U-shaped structure, the one end is feed-water end, after the other end bending with T type pipe coupling, it is upflow tube (18) that the vertical end of T type pipe is higher than high-water (a), and horizontal ends is connected with water distribution system; Syphon hood (17) is the right cylinder of bottom opening, is upside down in the feed-water end of siphon pipe (19); Airway (14) is the different inverted u-shaped structure of two ends length, and its long end passes the feed-water end that (15) at the bottom of the cover of syphon hood (17) insert siphon pipes (19); Syphon hood (17) outer cover filter mantle (13);
Described water distribution system is made of the water distributor (4) of or many parallel connections, and this water distributor (4) is provided with the spout hole that evenly gathers;
Described soil adsorption bed purification system is made up of multistage functional filter layer, is followed successively by from bottom to top: catchment layer (9), the composite cementation filtering layer (8) of 1200～1800mm, the biological treatment layer (7) of 200～500mm, the water distribution layer (6) of 300～500mm and the afforestation vegetation layer (3) of 500～800mm of impervious barrier (11), 200～300mm.
2. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1 is characterized in that: describedly be provided with brace rod (16) between siphon pipe (19) and syphon hood (17).
3. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1, it is characterized in that: impervious barrier (11) is made for fluid-tight impervious material, is concrete structure or plastic barrier layer or glass fiber reinforced plastics product.
4. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1 is characterized in that: the described layer (9) that catchments is that the rubble of 0.5～10mm is formed by diameter.
5. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1 is characterized in that: described composite cementation filtering layer (8) for flyash, pulverize slag, sintered ceramic powder or artificial soil.
6. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1, it is characterized in that: described biological treatment layer (7) is made up of bio-carrier material and active sludge biological bacterial classification.
7. zero energy consumption soil adsorption bed Sewage treatment systems according to claim 1, it is characterized in that: described water distribution layer (6) is made up of the gravel of the about 10～50mm of diameter, water distributor (4) is embedded in the gravel, and the top of water distribution layer (6) arranges impervious barrier (11).
8. according to each described zero energy consumption soil adsorption bed Sewage treatment systems of claim 1 ~ 7, it is characterized in that: described water gathering system comprises header (10) and clear water water collecting basin (12), and this clear water water collecting basin (12) is communicated with the layer (9) that catchments of soil adsorption bed purification system bottom by header (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174132 CN203159411U (en) | 2013-04-09 | 2013-04-09 | Zero-energy consumption land adsorption bed sewage-treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174132 CN203159411U (en) | 2013-04-09 | 2013-04-09 | Zero-energy consumption land adsorption bed sewage-treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159411U true CN203159411U (en) | 2013-08-28 |
Family
ID=49020614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320174132 Expired - Lifetime CN203159411U (en) | 2013-04-09 | 2013-04-09 | Zero-energy consumption land adsorption bed sewage-treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203159411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172223A (en) * | 2013-04-09 | 2013-06-26 | 山东泓美水务科技有限公司 | Sewage treatment system and method for zero energy consumption land adsorbent bed |
| CN106241918A (en) * | 2016-09-10 | 2016-12-21 | 安徽蓝鼎环保能源科技有限公司 | A kind of zero energy consumption soil adsorbent bed sewage disposal system |
| CN107777775A (en) * | 2017-12-12 | 2018-03-09 | 辽宁工业大学 | It is a kind of that there is the sewage disposal system for denitrogenating phosphorus function |
-
2013
- 2013-04-09 CN CN 201320174132 patent/CN203159411U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172223A (en) * | 2013-04-09 | 2013-06-26 | 山东泓美水务科技有限公司 | Sewage treatment system and method for zero energy consumption land adsorbent bed |
| CN103172223B (en) * | 2013-04-09 | 2014-07-16 | 山东泓美水务科技有限公司 | Sewage treatment system and method for zero energy consumption land adsorbent bed |
| CN106241918A (en) * | 2016-09-10 | 2016-12-21 | 安徽蓝鼎环保能源科技有限公司 | A kind of zero energy consumption soil adsorbent bed sewage disposal system |
| CN107777775A (en) * | 2017-12-12 | 2018-03-09 | 辽宁工业大学 | It is a kind of that there is the sewage disposal system for denitrogenating phosphorus function |
| CN107777775B (en) * | 2017-12-12 | 2021-03-23 | 辽宁工业大学 | Sewage treatment system with nitrogen and phosphorus removal function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101531437B (en) | Compound treatment method of wastewater in pig farm | |
| CN204824550U (en) | A device for rural domestic sewage treatment | |
| CN103159380A (en) | Zero-energy-consumption sewage treatment system and method for constructed wetlands | |
| US10988397B2 (en) | Integrated greening device and method for recycling wastewater | |
| CN103693745B (en) | A kind of enter the combined artificial wetland treatment process of river runoff pollution and device | |
| CN103172223B (en) | Sewage treatment system and method for zero energy consumption land adsorbent bed | |
| CN104787963A (en) | Self-oxygenation biological filter bed for sewage treatment | |
| CN206599473U (en) | Landscape type effluent treatment plant | |
| CN104556378A (en) | Integrated treatment system for rural domestic sewage and process of system | |
| CN203187497U (en) | Zero-energy-consumption artificial wetland sewage treatment system | |
| CN102219335A (en) | Earthworm soil diafiltration for ecologically processing domestic sewage with earthworm soil diafiltration | |
| CN104556474A (en) | Water purification process and device of water supply plant | |
| CN101700932A (en) | Stepped composite vertical flow artificial wetland sewage treatment device | |
| CN204281497U (en) | A kind of rural sewage courtyard type Water warfare integrated apparatus | |
| CN203159411U (en) | Zero-energy consumption land adsorption bed sewage-treatment system | |
| CN104710092A (en) | Plastic steel biogas septic tank | |
| CN104310717B (en) | A kind of sanitary sewage recycling processing system up to standard and method that is applicable to northern country | |
| CN207468300U (en) | A kind of practical spoil disposal and anticlogging horizontal plug-flow artificial wet land system | |
| CN105601043A (en) | Ecological micro-power treatment system for domestic sewage of villages and towns | |
| CN103159379A (en) | System and method for treating sewage at zero energy consumption by using ecological filter bed | |
| CN105461167A (en) | Ecological landscape type integrated garbage and sewage treatment system for villages and small towns | |
| CN112142258A (en) | Resource and standard treatment method for domestic sewage of villages and towns | |
| CN218146051U (en) | A2O integration sewage treatment pond complete set system | |
| CN203794743U (en) | Movable type river way sewage purifying device | |
| CN211570396U (en) | Energy-conserving efficient sewage treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chi Bin Inventor after: Duan Liju Inventor after: Gao Qianshan Inventor after: Xu Tian Inventor after: Wang Xingxing Inventor before: Chi Bin Inventor before: Xu Tian Inventor before: Wang Xingxing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHI BIN XU TIAN WANG XINGXING TO: CHI BIN DUAN LIJU GAO QIANSHAN XU TIAN WANG XINGXING |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 250101, No. 1-510, building 1, building 15612, Century Avenue, Ji'nan hi tech Zone, Shandong, China Patentee after: SHANDONG HONGMEI ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 508, room 1, building No. 15612, Century Avenue, Ji'nan hi tech Zone, Shandong, 250101 Patentee before: Shandong Hongmei Water Science & Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 250101 Building 1-2006, No. 15612 Century Avenue, Jinan High-tech Zone, Shandong Province Patentee after: Natural Engineering Law Water (Shandong) Co.,Ltd. Address before: 250101, No. 1-510, building 1, building 15612, Century Avenue, Ji'nan hi tech Zone, Shandong, China Patentee before: SHANDONG HONGMEI ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |