CN209412022U - One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment - Google Patents
One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment Download PDFInfo
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- CN209412022U CN209412022U CN201821958272.2U CN201821958272U CN209412022U CN 209412022 U CN209412022 U CN 209412022U CN 201821958272 U CN201821958272 U CN 201821958272U CN 209412022 U CN209412022 U CN 209412022U
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- 239000010865 sewage Substances 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 239000007788 liquid Substances 0.000 claims description 22
- 238000007667 floating Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses one kind to be used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment, including filter tank shell, and the first side surface top of the filter tank shell is equipped with level-one water inlet, and the inside of the filter tank shell is equipped with flow controlling unit.The utility model has the beneficial effects that the influence of country sewage time change is made to be reduced to zero, no matter moment sewage quantity be it is how many, be all bound to enter filter tank according to the firm discharge of setting, enhance the impact resistance in filter tank to greatest extent.This equipment does not have electrical equipment, is truly realized zero energy consumption.This equipment device category and quantity are few, failure problems are substantially not present, securely and reliably.This equipment is not needed artificially to control, be truly realized unattended once installation.
Description
Technical field
The utility model relates to sewage disposal device improvement, especially a kind of micro- for the sanitary sewage disposal of rural households' formula
Type tower biological filter equipment.
Background technique
The sanitary sewage of rural resident's discharge includes night soil and washing, bathing and kitchen waste water etc..Opposite urban life
Sewage, domestic sewage in rural areas have the characteristics that distribution dissipates, pollutant concentration is relatively high, water difference is big.
China's domestic sewage in rural areas has three big features at present:
(1) total Body Water is big
(2) type is complicated, and the area differentiation of discharge intensity and rule is big
(3) Rural environment construction is asynchronous with economic development, and handling rate is low, seriously polluted
Currently, be widely used centralized collection in country sewage, the mode of centralized processing, mostly use biological contact oxidation process,
The techniques such as A/O, biological rotating disk need the local topography according to rural area, range of living, and the factors such as living habit are laid with a large amount of
Drainage pipeline networks expends a large amount of cost of investment.
In recent years, domestic to start Introduced from Japan purification tank technology, this technology is widely used at rural households' sewage in Japan
Reason.Japan is for the purification tank of distributing country sewage exploitation, and aerobic unit is using biological catalytic oxidation.China exists
Some lands used are limited, winter temperature is lower, economic condition is preferable or are discharged more demanding town village, have studied and applied biology and connect
Oxidation technology is touched, such as the Guangzhou Luogang District village Pu Xin, the village He Zhaojia, Jiangsu Taizhou village Dai Nanzhen Dong Bei, the Ningxia Pingluo County township Qu Kou
Deng.
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of at rural households' formula sanitary sewage
Manage micro tower type biofilter equipment.
Realize that above-mentioned purpose the technical solution of the utility model is, one kind is miniature for the sanitary sewage disposal of rural households' formula
Tower biological filter equipment, including filter tank shell, the first side surface top of the filter tank shell is equipped with level-one water inlet, described
The inside of filter tank shell is equipped with flow controlling unit, and the flow controlling unit includes the first water tank, the second water tank, floating ball
Liquid level valve, second level water inlet, discharge outlet, Universal pipe, wherein
First side surface of first water tank is equipped with second level water inlet, and the lower surface of first water tank is equipped with
The water inlet end of Universal pipe, the Universal pipe is connected through the lower surface of the first water tank with inside it, and the Universal pipe goes out
Water end (W.E.) is placed in the inside of the second water tank；
The lower surface of second water tank is equipped with discharge outlet；
Level-one water inlet on first side surface of the filter tank shell pass through the first aqueduct and the first water tank the
Second level water inlet on one side surface is connected to each other；
The second level water inlet is located at the port of inside of the first water tank and the water inlet end of Floating Ball Liquid Level valve is connected to each other.
It further include plate water distributor, sewage packed tower and header tank；
Preferably, second water tank, plate water distributor, sewage packed tower and header tank are arranged from top to bottom and institute
State the inside of filter tank shell.
Preferably, the discharge outlet on the lower surface of second water tank is located at the top of plate water distributor；
The plate water distributor is used to evenly distribute the sewage quantity flowed into sewage packed tower.
Preferably, the upper surface of the filter tank shell is equipped with cover board.
Preferably, the first side surface of the filter tank shell is equipped with the blast pipe being connected to outside, the blast pipe
Header tank liquid level or more is extended to straight down, and the second side surface of the filter tank shell is equipped with the air draft being connected to outside
Pipe, the blast pipe and air-exhausting duct cooperate, and using draught head between the two, in filter tank, the inside of shell forms gravity-flow ventilation.
Preferably, the water outlet of the lower end surface of the sewage packed tower is slightly less than the inlet of the upper end of header tank.
Preferably, the water inlet end of the Universal pipe inserts into the inner portion, and opposite first by the lower surface of the first water tank
The lower surface of water tank rotates.
Preferably, height where the water outlet of the Universal pipe is slightly below height where the sewage level of the first water tank
Degree, and can arbitrarily adjust height.
Preferably, further including Liquid level compensator unit, the Liquid level compensator unit includes the second aqueduct, draining pump, liquid
Position meter, wherein
With in blast pipe, the upper end of second aqueduct is located at the upper of plate water distributor for the second aqueduct setting
Side, the lower end of second aqueduct is slightly above the lower surface of header tank；The liquidometer is set to the internal side wall of blast pipe
On；
The upper end of second aqueduct is equipped with draining pump.
Beneficial effect
Rural households' formula sanitary sewage disposal micro tower type is used for using one kind of the technical solution of the utility model production
Biofilter equipment, by install flow controlling unit, realize wastewater influent flow and do not need dynamic Control, can taking human as
It is set previously according to actual conditions, and highly stable, the impact resistance of equipment operation is greatly improved；
It is provided with the air inlet and exhaust outlet using gravity-flow ventilation on the shell of filter tank, utilizes the air pressure of different height
Difference is aerated aeration, it is no longer necessary to which blower reduces energy consumption and equipment failure rate；
The device is mounted on underground, and after septic tank, sewage gravity is flowed into the shell of filter tank, it is no longer necessary to sewage lifting
Pump, reduces energy consumption and equipment failure rate；
Filler is that bulky grain is sky filler, using the hydrophily of filler convenient for growth biomembrane, increases substantially microorganism
To the impact resistance of sewage.
Detailed description of the invention
Fig. 1 is described in the utility model a kind of for rural households' formula sanitary sewage disposal micro tower type biofilter equipment
Structural schematic diagram；
Fig. 2 is described in the utility model a kind of for rural households' formula sanitary sewage disposal micro tower type biofilter equipment
First partial enlarged diagram；
Fig. 3 is described in the utility model a kind of for rural households' formula sanitary sewage disposal micro tower type biofilter equipment
The second partial enlargement diagram；
Fig. 4 is the circuit diagram of liquidometer sensed water level control draining pump described in the utility model；
In figure, 1, filter tank shell；2, level-one water inlet；4, the first water tank；5, the second water tank；6, Floating Ball Liquid Level valve；
7, second level water inlet；8, discharge outlet；9, Universal pipe；10, aqueduct；11, plate water distributor；12, sewage packed tower；13, it catchments
Case；14, cover board；15, air-exhausting duct；16, blast pipe；17, the second aqueduct；18, draining pump；19, liquidometer.
Specific embodiment
The prior art:
Main technique: after sewage enters purification tank, precipitation and separation slot is pre-processed, and is removed the biggish particle of specific gravity and is hanged
Floating object improves the biodegradability of sewage；Pre-filtering slot is provided with filler, under the action of the anaerobic organism film on filler, removal
Dissolved organic matter；Aeration tank collection aeration, high filtering velocity, retention suspended matter and periodically backwash are integrated.Precipitation tank overfalling weir is set
Chlorination equipment has been set, has been carried out disinfection processing to water outlet.
This technology has promulgated " purification tank construction standard " that outlet effect is stablized in Japan, but passes through in recent years
The use in some areas, very high investment cost and operating cost are not suitable for promoting in Chinese villages and small towns sewage treatment field.
Embodiment one:
The utility model is specifically described with reference to the accompanying drawing, as shown in Figures 1 to 4, one kind being used for rural households
Formula sanitary sewage disposal micro tower type biofilter equipment, including filter tank shell 1, the first side surface top of filter tank shell 1 are set
There is a level-one water inlet 2, the inside of filter tank shell 1 is equipped with flow controlling unit, and flow controlling unit includes the first water tank 4, the
Two water tanks 5, Floating Ball Liquid Level valve 6, second level water inlet 7, discharge outlet 8, Universal pipe 9, wherein the first side table of the first water tank 4
Face is equipped with second level water inlet 7, and the lower surface of the first water tank 4 is equipped with Universal pipe 9, and the water inlet end of Universal pipe 9 is through the first storage
The lower surface of water tank 4 is connected with inside it, and the water outlet of Universal pipe 9 is placed in the inside of the second water tank 5；Second water tank 5
Lower surface be equipped with discharge outlet 8；Level-one water inlet 2 on first side surface of filter tank shell 1 passes through the first aqueduct 10 and the
Second level water inlet 7 on first side surface of one water tank 4 is connected to each other；Second level water inlet 7 is located at the inside of the first water tank 4
Port and the water inlet end of Floating Ball Liquid Level valve 6 are connected to each other, and further include plate water distributor 11, sewage packed tower 12 and header tank 13；The
Two water tanks 5, plate water distributor 11, sewage packed tower 12 and header tank 13 are arranged from top to bottom and the inside of filter tank shell 1, will
The device is placed in villager family, is connected to behind septic tank, without energy consumption, does not need dosing, saves land occupation, and water outlet meets
It is more than " integrated wastewater discharge standard " second level.
In the technical scheme, device installation is under earth's surface, and under septic tank, when using this equipment, sewage is due to weight
Power effect passes sequentially through the sewage that level-one water inlet 2, the first aqueduct 10, second level water inlet 7 enter the inside of filter tank shell 1
In first water tank 4 of flow controlling unit, since the Floating Ball Liquid Level valve 6 in the first water tank 4 is connected with the first aqueduct 10
Logical, when the height of floating ball is not up to setting value, Floating Ball Liquid Level valve 6 is connected, and sewage enters the inside of the first water tank 4, finally
Floating ball rises with the entry altitude of sewage, and after the height of floating ball reaches setting value, Floating Ball Liquid Level valve 6 is closed, and sewage shuts off, dirty
Water is during perfusion, when the height for the water outlet that the place height of sewage is slightly above Universal pipe 9, due to linker original
Reason, sewage are exported from the Universal pipe 9 being connected to the lower surface of the first water tank 4, and due to gravity, sewage flows into the second water tank 5
It is interior, it exports, is flow on plate water distributor 11 using the discharge outlet 8 of 5 lower surface of the second water tank, it will by plate water distributor 11
Water distribution uniformly flows into sewage packed tower 12 afterwards, and microorganism can be grown on sewage packed tower 12 and forms microbial film, micro- life
Object film absorbs the organic pollutant in sewage, and organic pollutant is decomposed and is utilized, convenient for the growth of microbial film,
Sewage flows into following header tank 13 after sewage packed tower 12, then the clear water in header tank 13 is discharged by draining pump
It goes, in the process by the water discharge decontaminated water after processing, flows through the first water tank 4, the second water tank 5, plate water distributor
11, sewage packed tower 12 and header tank 13 make the influence of country sewage time change be reduced to zero, and no matter moment sewage quantity is more
It is few, it is all bound to enter according to the firm discharge of setting in filter tank shell 1, enhances the shock resistance energy in filter tank to greatest extent
Power.This equipment does not have electrical equipment, is truly realized zero energy consumption.This equipment device category and quantity are few, and event is substantially not present
Barrier problem, securely and reliably.This equipment is not needed artificially to control, be truly realized unattended once installation.
In the technical scheme, the first side surface of air-exhausting duct filter tank shell 1 is equipped with the blast pipe 16 being connected to outside,
Air-exhausting duct blast pipe 16 is extended to straight down in header tank 13, the second side surface of air-exhausting duct filter tank shell 1 be equipped with it is outer
The air-exhausting duct 15 of portion's connection, blast pipe 16 and air-exhausting duct 15 cooperate, using draught head between the two, in filter tank shell 1
Portion forms gravity-flow ventilation, because of the draught head of blast pipe 16 and air-exhausting duct 15, the inside of filter tank shell 1 will form gravity-flow ventilation,
Air enters from blast pipe 16, is discharged from air-exhausting duct 15, while gravity-flow ventilation can increase and air for the biomembrane on filler
Contact, provides oxygen for microbial film.
In the technical scheme, sewage gravity stream enters in flow controlling unit, and Floating Ball Liquid Level valve 6 controls the first water tank
Liquid level in 4.After liquid level reaches setting value, Floating Ball Liquid Level valve closes water inlet, and water inlet is no longer intake.First water tank 4
Bottom opening connect a Universal pipe 9, the interior sewage of the first water tank 4 is discharged from Universal pipe 9.Universal pipe 9 can be any
Angular turn, and it is fixed on any angle, the freeboard of Universal pipe 9 is adjusted, to control water flow.Universal pipe 9
Water outlet flows into the second water tank 5, then flows out from the discharge outlet 8 of the bottom of the second water tank 5, will be dirty by flow controlling unit
Water flow of inlet water controls any number in needs, and flow controlling unit gravity outflow water enters plate water distributor 11, plate cloth
Hydrophone 11 is allocated inflow filler to sewage.
In the technical scheme, the discharge outlet 8 on the lower surface of the second water tank 5 is located at the top of plate water distributor 11；
Plate water distributor is used to evenly distribute the sewage quantity flowed into sewage packed tower 12.
In the technical scheme, the water outlet of the lower end surface of sewage packed tower 12 is slightly less than catchmenting for the upper end of header tank 13
Mouthful.
In the technical scheme, the water inlet end of Universal pipe 9 inserts into the inner portion by the lower surface of the first water tank 4, and opposite
The lower surface of first water tank 4 rotates.
In the technical scheme, height where the water outlet of Universal pipe 9 is slightly below where the sewage level of the first water tank 4
Highly.
In the technical scheme, draining pump 18 belongs to self priming pump, is mounted on the plate water distributor of discharge of sewage control unit
11 top, the second aqueduct 17 and liquidometer 19 connecting with draining pump 18 are arranged in blast pipe 16, extend to collection
13 bottom of water tank.The start and stop of draining pump 18 are by 19 linkage control of liquidometer in header tank 13.It is connected with the second draining pump 18
The side of the second aqueduct 17 be equipped with non-return valve, after preventing draining pump 18 from shutting down, the second aqueduct for connecting with draining pump 18
Clear water in 17 flows back to the header tank 14 of bottom.If the clear water in the second aqueduct 17 connecting with draining pump 18 flows back to
The header tank 14 of bottom, then the starting draining every time of draining pump 18, needs that the air in the second aqueduct 17 is discharged first, lead
It causes the drainage procedure time longer, wastes energy consumption.Liquid level relay of the liquidometer 19 using integrated control chip, model JYB-
714, the probe of liquidometer 19 is located at the liquid level of setting, and 19 control terminal of liquidometer is connected with the power end of draining pump 18.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (8)
1. one kind is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment, including filter tank shell (1), described
First side surface top of filter tank shell (1) is equipped with level-one water inlet (2), which is characterized in that the inside of the filter tank shell (1)
Equipped with flow controlling unit, the flow controlling unit includes the first water tank (4), the second water tank (5), Floating Ball Liquid Level valve
(6), second level water inlet (7), discharge outlet (8), Universal pipe (9), wherein
First side surface of first water tank (4) is equipped with second level water inlet (7), the following table of first water tank (4)
Face is equipped with Universal pipe (9), and the water inlet end of the Universal pipe (9) is connected through the lower surface of the first water tank (4) with inside it,
The water outlet of the Universal pipe (9) is placed in the inside of the second water tank (5)；
The lower surface of second water tank (5) is equipped with discharge outlet (8)；
Level-one water inlet (2) on first side surface of the filter tank shell (1) passes through the first aqueduct (10) and the first water storage
Second level water inlet (7) on first side surface of case (4) is connected to each other；
The port that the second level water inlet (7) is located at the inside of the first water tank (4) is opposite with the water inlet end of Floating Ball Liquid Level valve (6)
It connects,
It further include plate water distributor (11), sewage packed tower (12) and header tank (13)；
Second water tank (5), plate water distributor (11), sewage packed tower (12) and header tank (13) be arranged from top to bottom with
The inside of the filter tank shell (1).
2. one kind according to claim 1 is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment,
It is characterized in that, the discharge outlet (8) on the lower surface of second water tank (5) is located at the upper of plate water distributor (11)
Side；
The plate water distributor is used to evenly distribute the sewage quantity flowed into sewage packed tower (12).
3. a kind of rural households' formula sanitary sewage disposal micro tower type biofilter that is used for according to claim 1 or 2 is set
It is standby, which is characterized in that the upper surface of the filter tank shell (1) is equipped with cover board (14).
4. one kind according to claim 1 is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment,
It is characterized in that, the first side surface of the filter tank shell (1) is equipped with the blast pipe (16) being connected to outside, the blast pipe
(16) it extends to straight down in header tank (13), the second side surface of the filter tank shell (1), which is equipped with, to be connected to outside
Air-exhausting duct (15), the blast pipe (16) and air-exhausting duct (15) cooperate, using draught head between the two, shell (1) in filter tank
Inside formed gravity-flow ventilation.
5. one kind according to claim 1 is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment,
It is characterized in that, the water outlet of the lower end surface of the sewage packed tower (12) is slightly less than the inlet of the upper end of header tank (13).
6. one kind according to claim 1 is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment,
It is characterized in that, the water inlet end of the Universal pipe (9) inserts into the inner portion by the lower surface of the first water tank (4).
7. one kind according to claim 1 or 6 is set for rural households' formula sanitary sewage disposal micro tower type biofilter
It is standby, which is characterized in that height is slightly below where the sewage level of the first water tank (4) where the water outlet of the Universal pipe (9)
Highly, and height can arbitrarily be adjusted.
8. one kind according to claim 1 is used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment,
It is characterized in that, further include Liquid level compensator unit, the Liquid level compensator unit include the second aqueduct (17), draining pump (18),
Liquidometer (19), wherein
With in blast pipe (16), the upper end of second aqueduct (17) is located at plate water distribution for second aqueduct (17) setting
The lower end of the top of device (11), second aqueduct (17) is slightly above the lower surface of header tank (13)；The liquidometer (19)
It is set in the internal side wall of blast pipe (16)；
The upper end of second aqueduct (17) is equipped with draining pump (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958272.2U CN209412022U (en) | 2018-11-26 | 2018-11-26 | One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958272.2U CN209412022U (en) | 2018-11-26 | 2018-11-26 | One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209412022U true CN209412022U (en) | 2019-09-20 |
Family
ID=67935335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958272.2U Expired - Fee Related CN209412022U (en) | 2018-11-26 | 2018-11-26 | One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment |
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| Country | Link |
|---|---|
| CN (1) | CN209412022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179923A (en) * | 2018-11-26 | 2019-01-11 | 仲昭龙 | A kind of rural households' formula sewage treatment unit, processing method and construction method |
-
2018
- 2018-11-26 CN CN201821958272.2U patent/CN209412022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179923A (en) * | 2018-11-26 | 2019-01-11 | 仲昭龙 | A kind of rural households' formula sewage treatment unit, processing method and construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |