CN108178309A - A kind of efficient improvement septic tank - Google Patents
A kind of efficient improvement septic tank Download PDFInfo
- Publication number
- CN108178309A CN108178309A CN201810221273.7A CN201810221273A CN108178309A CN 108178309 A CN108178309 A CN 108178309A CN 201810221273 A CN201810221273 A CN 201810221273A CN 108178309 A CN108178309 A CN 108178309A
- Authority
- CN
- China
- Prior art keywords
- septic tank
- phase separation
- sloping plate
- separation area
- deposition district
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
Abstract
A kind of efficient improvement septic tank, belong to water treatment field, including housing, water inlet, water outlet, housing tip inspection socket, housing cavity is divided into three compartments by two pieces of vertical shifting boards, it is connected between each compartment with overcurrent mouth, three compartments from water inlet to water outlet are followed successively by three-phase separation area, padding aeration area, sloping plate deposition district, and water inlet is located in the lower case of three-phase separation area, and water outlet is located in the upper body of sloping plate deposition district；Three phase separator and dredging tube are equipped in three-phase separation area, Ball-type packing is equipped with below three phase separator；Interval is equipped with several pencil elastic filler devices in padding aeration area, and one or more aerator is laid between pencil elastic filler device；Inclined plate/inclined tube and dredging tube are equipped in sloping plate deposition district；One mixed liquor stripping reflux device connects three-phase separation area and sloping plate deposition district, which integrates three phase separator, aerator, sloping plate unit, as a result compact, can efficient process country sewage.
Description
Technical field
The invention belongs to water treatment fields, and in particular to the septic tank of new rural village sewage disposal.
Background technology
Septic tank of the prior art, the rectangle septic tank manufactured using engineering material such as brick or armored concrete, knot
Structure is single, and Ball-type packing is used in septic tank more, and treatment effect is bad.It is realized in public technology there are many mode on the market at present
The function that is handled differently to deposit, suspended matter, the floating material in country sewage realizes sewage with three phase separator
Three phase separation is the method generally used, but traditional three phase separator makes trouble, and three phase separator is applied to septic tank
It has been reported that in though, because the septic tank of national standard shape is all ellipticity, cannot be effectively matched with conventional rectangular three phase separator, certain journey
Reduce three phase separation active area on degree, so as to affect the effect of three phase separation, and three phase separator is usually placed in out
Mouth of a river area, using for the client comprising a whole set of devices such as septic tank, purification tanks, can not ensure the processing of septic tank to being not desired to
Effect.
For the septic tank of some configuration aerators, usually rely on electric power and power is provided, yet there are no using the sun
The energy energy, energy consumption are larger.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of efficient improvement septic tank, collection three phase separator, aerations
Device, sloping plate unit are as a result compact in one, can efficient process country sewage.
It is specific to be such to what is implemented：A kind of efficient improvement septic tank, including housing, water inlet, water outlet, housing top
The inspection socket at end, housing cavity are divided into three compartments by two pieces of vertical shifting boards, are connected between each compartment with overcurrent mouth, feature exists
Three-phase separation area, padding aeration area, sloping plate deposition district are followed successively by three compartments from water inlet to water outlet, water inlet is located at
In the lower case of three-phase separation area, water outlet is located in the upper body of sloping plate deposition district；Three-phase is equipped in three-phase separation area
Separator and dredging tube, three phase separator lower section are equipped with Ball-type packing；Interval is equipped with several pencil elasticity in padding aeration area
Filler device, one or more aerator are laid between pencil elastic filler device；It is equipped in sloping plate deposition district
Inclined plate/inclined tube and dredging tube；One mixed liquor stripping reflux device connects three-phase separation area and sloping plate deposition district.In the present apparatus, three
Phase separator can reduce air flotation effect, reduce the sedimentation time, and aerator provides Aerobic Process for Treatment, and inclined plate/inclined tube shortens precipitation
Time improves production efficiency, and stripping reflux device realizes two sections of processing, greatly improves the integrated treatment energy of septic tank
Effect.
Preferably, the three phase separator in three-phase separation area is cyclic annular three phase separator, especially with oval three phase separation
Device is preferred, and can more be matched with the septic tank shape of national standard, be effectively raised three phase separation active area, make three-phase separate
It is thorough from more.Preferably to clear up the sludge in three-phase separation area, three-phase is inhaled from maintenance mud-suction hole, the maintenance is provided on device
Plane can be slightly higher than at the top of three phase separator on mud hole, and lower plane can be slightly below three phase separator bottom.
The pencil elastic filler device installed in padding aeration area includes stuffing frame, pencil elastic filler, and stuffing frame is by one
Hollow ring frame and support plate composition, if parallel laying dried layer support plate up and down, each layer branch in the hollow ring frame
The through-hole that string inserts pencil elastic filler is equipped on plate.Hollow circular ring shape frame compare triangle or polygon row, shape and
National standardization septic tank more matches, and its structural stability is more preferable.Elastic filler is not needed to through after in entire stent
Installation elastic filler is being gone again to scene, is direct plungeed into and be can be used, and it is stronger to be arranged on anti-current-rush ability on stent.Make
With elastic pencil filler, biofilm is fast, better processing effect.
Further, it is opened on the hollow ring frame in pencil elastic filler device more than top layer's support plate of stuffing frame
Hole, these holes can insert the through-hole of pencil elastic filler as string, to increase the laying area of filler, can also be used as
Cross the permeable hole of water.
The aerator of padding aeration area setting, including aggregate hollow pipe, vent stack, fan connecting tube, No.1 threeway
Pipe connects left and right two aggregate hollow pipes, and the outboard end of the left and right aggregate hollow pipe is by plug fixing seal, No.1 threeway
The upper orifice of pipe is connect with vent stack, and vent stack connect with the lower nozzle of No. two three-way pipes, the left and right pipe of No. two three-way pipes
Mouth connects fan connecting tube respectively, and the fan connecting tube of junction one end is equipped with aeration control valve.This aerator is installed
When padding aeration area, the stuffing frame of aggregate hollow pipe and pencil elastic filler device is placed between stuffing frame in the same direction, wind turbine
Connecting tube is disposed with the perpendicular angle of aggregate hollow pipe.
Preferably, effluent trough is equipped with above the inclined plate of sloping plate deposition district/inclined tube, the effluent trough and inclined plate/inclined tube
Between fixed by reinforcing rib.Inclined plate/inclined tube and effluent trough are located above activated sludge layer, and effluent trough can increase water flow, are formed
Fall aeration.
Preferably, offering maintenance mud-suction hole on inclined plate/inclined tube, the upper plane of the maintenance mud-suction hole can be slightly higher than tiltedly
At the top of plate/inclined tube, lower plane can be slightly below inclined plate/inclined tube bottom, and maintenance mud-suction hole is located at the lower section of the vacant position of effluent trough.
The air lift supervisor of mixed liquor stripping reflux device stretches into the lower end of sloping plate deposition district, return duct one end connection air lift master
Pipe, the other end stretch into the lower end of three-phase separation area, and air intake duct is connected air lift and is responsible for, and the air intake duct at connector is equipped with flow control
Valve processed.By stripping reflux device, two sections of sewage disposals are realized, further improve the treatment effect of septic tank.
Preferably, the flow control valve of mixed liquor stripping reflux device and the aeration control valve of aerator pass through it is same
Fan connecting tube connects wind turbine, and the wind turbine connects solar photovoltaic powered system, by solar photovoltaic powered system power supply,
Less energy consumption is not influenced by dark weather, ensures that septic tank reaches nitrification, denitrification.
Preferably, each component of septic tank, such as housing, three phase separator, effluent trough, inclined plate/inclined tube, pencil elasticity are filled out
Expect that device, Ball-type packing etc. are integrated injection molding.
The present invention has the following advantages compared with traditional sight technology：
1st, septic tank uses three phase separation technology, and more conventional septic tank, dwell time of sewage is short, unit volume processing water
Greatly, vessel space utilization rate is high, has good economic benefit；
2nd, septic tank uses effluent trough, and when sewage is wandered from effluent trough crest of weir, aeration is fallen in formation, reduces air supporting influence；
3rd, septic tank uses stripping reflux device, realizes two sections of sewage disposals；
4th, septic tank uses solar photovoltaic generation system, not only saves energy consumption, but also septic tank is made to realize nitrification, denitrification effect
Fruit.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure diagram of three phase separator.
Fig. 3 is the vertical view of three phase separator.
Fig. 4 is the structure diagram of aerator.
Fig. 5 is the structure diagram of mixed liquor stripping reflux device.
Fig. 6 is the stuffing frame structure diagram of pencil elastic filler device.
Specific embodiment
Embodiment 1, a kind of efficient improvement septic tank, the inspection including housing, water inlet 1, water outlet 2, housing tip
Mouthfuls 3, housing cavity is divided into three compartments by two pieces of vertical shifting boards 4, is connected between each compartment with overcurrent mouth 5, from water inlet 1 to going out
Three compartments at the mouth of a river 2 are followed successively by three-phase separation area 6, padding aeration area 7, sloping plate deposition district 8, and water inlet 1 is located at three phase separation
In the lower case in area 6, water outlet 2 is located in the upper body of sloping plate deposition district 8；Ellipse three is equipped in three-phase separation area 6
Phase separator 61 and dredging tube 10,61 lower section of three phase separator are equipped with Ball-type packing 62；If interval is equipped in padding aeration area 7
Dry pencil elastic filler device 71, one or more aerator 72 is laid between pencil elastic filler device 71；
Inclined plate 81 and dredging tube 10 are equipped in sloping plate deposition district 8；One mixed liquor stripping reflux device 9 connects three-phase separation area 6 and inclined plate
Settling zone 8.
The aerator 72 that padding aeration area 7 is set, including aggregate hollow pipe 721, vent stack 722, fan connecting tube
723, No.1 three-way pipe 724 connects left and right two aggregate hollow pipes 721, the outboard end of the left and right aggregate hollow pipe 721 by
725 fixing seal of plug, the upper orifice of No.1 three-way pipe 724 are connect with vent stack 722, vent stack 722 and No. two threeways
The lower nozzle connection of pipe 726, the left and right nozzle of No. two three-way pipes 726 connect fan connecting tube 723, the wind of junction one end respectively
Machine connecting tube 723 is equipped with aeration control valve 727.
The air lift supervisor 91 of mixed liquor stripping reflux device 9 stretches into the lower end of sloping plate deposition district 8, the connection of 92 one end of return duct
Air lift supervisor 91, the other end stretches into the lower end of three-phase separation area 6, and air intake duct 93 connects air lift supervisor 91, the air-breathing at connector
Pipe 93 is equipped with flow control valve 94.
The flow control valve 94 of mixed liquor stripping reflux device 9 and the aeration control valve 727 of aerator 72 pass through air-breathing
Pipe 93 and fan connecting tube 723 connect same wind turbine 11, and the wind turbine 11 connects solar photovoltaic powered system 12.
Embodiment 2, reference implementation example 1, the three phase separator 61 in three-phase separation area 6 are oval three phase separator, three
Maintenance mud-suction hole is provided on phase separator 61, plane can be slightly higher than at the top of three phase separator on the maintenance mud-suction hole, lower plane
Three phase separator bottom can be slightly below.The pencil elastic filler device 71 installed in padding aeration area 7 includes stuffing frame, pencil bullet
Property filler, stuffing frame is made of a hollow ring frame 711 and support plate 712, in the hollow ring frame 711 up and down
If parallel laying dried layer support plate 712, be equipped with the through-hole 713 that string inserts pencil elastic filler on each layer support plate 712, stuffing frame it is most upper
Hole 714 is provided on hollow ring frame 711 more than layer support plate.Aggregate hollow pipe 721 and pencil elastic filler device
Stuffing frame is placed between stuffing frame in the same direction, and fan connecting tube 723 is disposed with 721 perpendicular angle of aggregate hollow pipe.
Inclined plate is substituted with inclined tube in sloping plate deposition district 8, effluent trough is equipped with above inclined tube, between the effluent trough and inclined tube by
Reinforcing rib is fixed.Maintenance mud-suction hole is offered on inclined tube, the upper plane of the maintenance mud-suction hole can be slightly higher than at the top of inclined tube, lower flat
Face can be slightly below inclined tube bottom, and maintenance mud-suction hole is located at the lower section of the vacant position of effluent trough.
Claims (10)
1. a kind of efficient improvement septic tank, including housing, water inlet, water outlet, housing tip inspection socket, housing cavity quilt
Two pieces of vertical shifting boards are divided into three compartments, are connected between each compartment with overcurrent mouth, it is characterised in that from water inlet to water outlet
Three compartments are followed successively by three-phase separation area, padding aeration area, sloping plate deposition district, and water inlet is located at the lower case of three-phase separation area
On, water outlet is located in the upper body of sloping plate deposition district；Three phase separator and dredging tube, three-phase separate are equipped in three-phase separation area
Ball-type packing is equipped with from device lower section；Interval is equipped with several pencil elastic filler devices in padding aeration area, one or one with
On aerator be laid between pencil elastic filler device；Inclined plate/inclined tube and dredging tube are equipped in sloping plate deposition district；One is mixed
Close liquid stripping reflux device connection three-phase separation area and sloping plate deposition district.
A kind of 2. efficient improvement septic tank according to claim 1, it is characterised in that the three-phase separate in three-phase separation area
It is oval three phase separator from device.
A kind of 3. efficient improvement septic tank according to claim 1, it is characterised in that the beam installed in padding aeration area
Shape elastic filler device includes stuffing frame, pencil elastic filler, and stuffing frame is made of a hollow ring frame and support plate, described
If hollow ring frame in parallel laying dried layer support plate up and down, string is equipped on each layer support plate and inserts the logical of pencil elastic filler
Hole.
4. a kind of efficient improvement septic tank according to claim 3, it is characterised in that top layer's support plate of stuffing frame with
On hollow ring frame on be provided with hole.
A kind of 5. efficient improvement septic tank according to claim 1, it is characterised in that the aeration of padding aeration area setting
Device, including aggregate hollow pipe, vent stack, fan connecting tube, No.1 three-way pipe connects left and right two aggregate hollow pipes, institute
The outboard end of left and right aggregate hollow pipe is stated by plug fixing seal, the upper orifice of No.1 three-way pipe is connect with vent stack, ventilation
Supervisor connect with the lower nozzle of No. two three-way pipes, and the left and right nozzle of No. two three-way pipes connects fan connecting tube, junction one respectively
The fan connecting tube at end is equipped with aeration control valve.
6. a kind of efficient improvement septic tank according to claim 5, it is characterised in that aggregate hollow pipe and pencil elasticity
The stuffing frame of filler device is placed between stuffing frame in the same direction, and fan connecting tube is disposed with the perpendicular angle of aggregate hollow pipe.
A kind of 7. efficient improvement septic tank according to claim 1, it is characterised in that inclined plate/inclined tube of sloping plate deposition district
Top is equipped with effluent trough, is fixed between the effluent trough and inclined plate/inclined tube by reinforcing rib.
8. a kind of efficient improvement septic tank according to claim 1, it is characterised in that mixed liquor stripping reflux device
Air lift is responsible for the lower end for stretching into sloping plate deposition district, return duct one end connection air lift supervisor, and the other end is stretched under three-phase separation area
End, fan connecting tube are connected air lift and are responsible for, and the fan connecting tube at connector is equipped with flow control valve.
9. the efficient improvement septic tank of one kind according to claim 5 or 9, it is characterised in that mixed liquor stripping reflux device
Flow control valve and the aeration control valve of aerator wind turbine is connected by same fan connecting tube, the wind turbine is connected too
Positive energy photovoltaic power supply system.
10. a kind of efficient improvement septic tank according to claim 1, it is characterised in that the three-phase of three-phase separation area is from device
Maintenance mud-suction hole is provided on upper and inclined plate/inclined tube of sloping plate deposition district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810221273.7A CN108178309A (en) | 2018-03-17 | 2018-03-17 | A kind of efficient improvement septic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810221273.7A CN108178309A (en) | 2018-03-17 | 2018-03-17 | A kind of efficient improvement septic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108178309A true CN108178309A (en) | 2018-06-19 |
Family
ID=62553836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810221273.7A Withdrawn CN108178309A (en) | 2018-03-17 | 2018-03-17 | A kind of efficient improvement septic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108178309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127954A (en) * | 2019-06-05 | 2019-08-16 | 哈尔滨工业大学 | A kind of air pump driving sewage reactor and processing method based on process control |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2690392Y (en) * | 2004-04-19 | 2005-04-06 | 河南新乡秸秆资源综合利用实验厂 | Reaction tank for producing methane by fermentation method |
| CN102249415A (en) * | 2011-07-22 | 2011-11-23 | 浙江大学 | Airlift internal circulation nitrogen and phosphorus removal bioreactor |
| CN202379853U (en) * | 2011-12-22 | 2012-08-15 | 北京科技大学 | Solar aerating rural domestic sewage treatment apparatus |
| CN202482172U (en) * | 2012-02-01 | 2012-10-10 | 南京中创水务集团股份有限公司 | Small-town sewage centralized processing device |
| CN103663684A (en) * | 2012-09-18 | 2014-03-26 | 中国石油化工股份有限公司 | Three-phase separator of cylindrical internal-recycling anaerobic reactor |
| CN203545859U (en) * | 2013-09-27 | 2014-04-16 | 宁波淳源环保科技有限公司 | Support frame of glass fiber reinforced plastic septic tank |
| CN103864276A (en) * | 2014-04-10 | 2014-06-18 | 崔美英 | Large three-lattice integrated geographical septic tank |
| CN205011468U (en) * | 2015-08-13 | 2016-02-03 | 成都华星德安水处理设备有限公司 | Bury formula sewage treatment plant small -sizely |
| CN205222815U (en) * | 2015-12-18 | 2016-05-11 | 北京桑德环境工程有限公司 | Integrated sewage treatment device |
| CN205222959U (en) * | 2015-12-18 | 2016-05-11 | 桑德集团有限公司 | Integrated sewage treatment equipment |
| CN206289143U (en) * | 2016-11-24 | 2017-06-30 | 保山益佰工贸有限责任公司 | A kind of sewage treatment unit of dynamic glass-reinforced plastic material |
| CN107445301A (en) * | 2017-09-21 | 2017-12-08 | 凌志环保股份有限公司 | A kind of gas stripping type septic tank |
| CN206735940U (en) * | 2017-05-03 | 2017-12-12 | 西纯环保科技（上海）有限公司 | A kind of new mud, water, gas three phase separator module |
| CN206858274U (en) * | 2017-06-16 | 2018-01-09 | 北京安力斯环境科技股份有限公司 | Pin-connected panel Small Town Wastewater processing equipment |
| CN208265851U (en) * | 2018-03-17 | 2018-12-21 | 凌建军 | A kind of efficient improvement septic tank |
-
2018
- 2018-03-17 CN CN201810221273.7A patent/CN108178309A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2690392Y (en) * | 2004-04-19 | 2005-04-06 | 河南新乡秸秆资源综合利用实验厂 | Reaction tank for producing methane by fermentation method |
| CN102249415A (en) * | 2011-07-22 | 2011-11-23 | 浙江大学 | Airlift internal circulation nitrogen and phosphorus removal bioreactor |
| CN202379853U (en) * | 2011-12-22 | 2012-08-15 | 北京科技大学 | Solar aerating rural domestic sewage treatment apparatus |
| CN202482172U (en) * | 2012-02-01 | 2012-10-10 | 南京中创水务集团股份有限公司 | Small-town sewage centralized processing device |
| CN103663684A (en) * | 2012-09-18 | 2014-03-26 | 中国石油化工股份有限公司 | Three-phase separator of cylindrical internal-recycling anaerobic reactor |
| CN203545859U (en) * | 2013-09-27 | 2014-04-16 | 宁波淳源环保科技有限公司 | Support frame of glass fiber reinforced plastic septic tank |
| CN103864276A (en) * | 2014-04-10 | 2014-06-18 | 崔美英 | Large three-lattice integrated geographical septic tank |
| CN205011468U (en) * | 2015-08-13 | 2016-02-03 | 成都华星德安水处理设备有限公司 | Bury formula sewage treatment plant small -sizely |
| CN205222815U (en) * | 2015-12-18 | 2016-05-11 | 北京桑德环境工程有限公司 | Integrated sewage treatment device |
| CN205222959U (en) * | 2015-12-18 | 2016-05-11 | 桑德集团有限公司 | Integrated sewage treatment equipment |
| CN206289143U (en) * | 2016-11-24 | 2017-06-30 | 保山益佰工贸有限责任公司 | A kind of sewage treatment unit of dynamic glass-reinforced plastic material |
| CN206735940U (en) * | 2017-05-03 | 2017-12-12 | 西纯环保科技（上海）有限公司 | A kind of new mud, water, gas three phase separator module |
| CN206858274U (en) * | 2017-06-16 | 2018-01-09 | 北京安力斯环境科技股份有限公司 | Pin-connected panel Small Town Wastewater processing equipment |
| CN107445301A (en) * | 2017-09-21 | 2017-12-08 | 凌志环保股份有限公司 | A kind of gas stripping type septic tank |
| CN208265851U (en) * | 2018-03-17 | 2018-12-21 | 凌建军 | A kind of efficient improvement septic tank |
Non-Patent Citations (1)
| Title |
|---|
| 陈春光等编著: "《垃圾渗滤液处理技术及工程实例》", 成都：西南交通大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127954A (en) * | 2019-06-05 | 2019-08-16 | 哈尔滨工业大学 | A kind of air pump driving sewage reactor and processing method based on process control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205222815U (en) | Integrated sewage treatment device | |
| CN105668950B (en) | The back-washing method of floatation type comprehensive water treatment device, method for treating water and the equipment | |
| CN104926038B (en) | A kind of biological and ecological composite handling arrangement for rural sewage treatment | |
| CN102923857A (en) | Anoxic-aerobic vertical flow artificial wetland system | |
| CN106745755A (en) | A kind of solar energy microkinetic Intelligent life sewage disposal system and sewage water treatment method | |
| CN103387312A (en) | Multilevel biological contact oxidation reactor sewage treatment device | |
| CN107244785B (en) | Micro-power septic tank | |
| CN101530681A (en) | Seawater clarifier turbulence construction and clarifier thereof | |
| CN208265851U (en) | A kind of efficient improvement septic tank | |
| CN108178309A (en) | A kind of efficient improvement septic tank | |
| CN209957612U (en) | Artificial floating island for sewage purification | |
| CN208562065U (en) | A kind of improvement purification tank | |
| CN112142258A (en) | Resource and standard treatment method for domestic sewage of villages and towns | |
| CN208022793U (en) | A kind of oxygenating and aerating unit for water body | |
| CN108483819A (en) | A kind of improvement purification tank | |
| CN206570091U (en) | A kind of solar energy microkinetic Intelligent life sewage disposal system | |
| CN108751649A (en) | A kind of processing system having to rural sewage treatment excess sludge | |
| CN104843932B (en) | Sewage treatment system | |
| CN209307176U (en) | A kind of unpowered biological couples rural integrated equipment for sewage treatment and system | |
| CN207552139U (en) | A kind of Household integral sewage purifier | |
| CN108483652A (en) | A kind of improvement purification tank and its A+AO+AO rural sewage treatment process and device | |
| CN213596113U (en) | Dam water quality normal position prosthetic devices | |
| CN207943924U (en) | A kind of fixed biofilm treatment apparatus of integration | |
| CN209507929U (en) | Integrated sewage disposal Ecosystem restoration system | |
| CN215365356U (en) | Domestic sewage evaporation and infiltration system for northwest arid region |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180619 |