CN108017221A - A kind of sewage-treatment plant based on biological formula - Google Patents
A kind of sewage-treatment plant based on biological formula Download PDFInfo
- Publication number
- CN108017221A CN108017221A CN201610924328.1A CN201610924328A CN108017221A CN 108017221 A CN108017221 A CN 108017221A CN 201610924328 A CN201610924328 A CN 201610924328A CN 108017221 A CN108017221 A CN 108017221A
- Authority
- CN
- China
- Prior art keywords
- babinet
- sewage
- fixedly connected
- rose box
- plate
- 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- Withdrawn
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The present invention provides a kind of sewage-treatment plant based on biological formula, is related to sewage treatment field.The sewage-treatment plant based on biological formula, including the first babinet and the second babinet, the top of second babinet is through the right side of first bottom of box and extends to the inside of the first babinet, passing on left for the second babinet positioned at the first box house plants block with being fixedly connected on the left of the first cabinet wall, carrier plate is fixedly connected with the left of first babinet, Rose Box is installed with the top of the carrier plate, sewage is connected with the top of the Rose Box and is discharged into bucket, the Rose Box is internally provided with screen pipe, the left end of the screen pipe is through Rose Box and is extended to the over the left side of filter box, inserted link is plugged with the screen pipe on the left of Rose Box.Effective cooperation of the sewage-treatment plant based on biological formula, plant and microorganism, improves the treatment effect of sewage, strong applicability, reliability is high, time saving and energy saving.
Description
Technical field
The present invention relates to technical field of sewage, is specially a kind of sewage-treatment plant based on biological formula.
Background technology
Sewage is often referred to discharge water necessarily polluted, from life and production.Sewage mainly has sanitary sewage, industry
Waste water and initial rainwater.The ill pathogen contaminant of major pollutants, oxygen consumption pollutant, plant nutrient and the toxic contaminants of sewage
Thing etc..
Sewage disposal is to make the mistake that sewage reaches a certain water body of draining or the water quality requirement that reuses purifies it
Journey.It is each that sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
Field, also comes into the daily life of common people more and more.
Currently in order to most of nutrients in sewage is efficiently used all using biological formula sewage-treatment plant, but at present
Microorganism sewage water processing unit the plant nutrient in sewage is absorbed simply by plant, and the part in sewage has
Machine thing can not be handled, and poor processing effect is poor for applicability, and reliability is low time-consuming and laborious.
The content of the invention
（One）The technical problem of solution
In view of the deficiencies of the prior art, the present invention provides a kind of sewage-treatment plant based on biological formula, solves processing effect
The problem of fruit is poor.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of sewage disposal dress based on biological formula
Put, including the first babinet and the second babinet, the top of second babinet is through the right side of first bottom of box and extends to the
The inside of one babinet, consolidates positioned at the left side for passing on left plantation block and the first cabinet wall of the second babinet of the first box house
It is fixed to connect, carrier plate is fixedly connected with the left of first babinet, Rose Box, institute are installed with the top of the carrier plate
State and sewage is connected with the top of Rose Box is discharged into bucket, the Rose Box is internally provided with screen pipe, the left end of the screen pipe
Through Rose Box and the left side of filter box is extended to the over, inserted link, the Rose Box are plugged with the screen pipe on the left of Rose Box
Inside and be fixedly connected with funnel below the screen pipe, the bottom of the funnel and one end of the first transfer tube are fixed
Connection, the described one end of first transfer tube away from funnel sequentially pass through Rose Box, carrier plate and the second babinet and extend to second
The inside of babinet is connected with planting the left side of block, and the plantation block is hollow structure, and plantation is offered at the top of the plantation block
Groove, the slot bottom of the planting groove offer seepage hole, and the top of first babinet and the corresponding position for planting block offer logical
Hole, described plant are communicated with the second transfer tube on the right side of block, the second case is run through in the one end of second transfer tube away from plantation block
Body and the inside for extending to the second babinet, the inner transverse of second babinet are fixedly connected with microorganism plate, microorganism plate position
Air pump, the gas are installed with the top of the top of the second transfer tube and the second babinet contact site, first babinet
The air inlet of pump is communicated with air inlet pipe, and the gas outlet of the air pump is fixedly connected with one end of air outlet pipe, the air outlet pipe it is another
One end sequentially passes through the first babinet and the second babinet and extends to the inside of the second babinet and connected with the top of aeration plate, the exposure
The bottom of gas disk is communicated with spiral exhaust duct, and the spiral exhaust duct is located at the top of microorganism plate, the second babinet right side
Bottom be communicated with drain pipe, be provided with solenoid valve on the drain pipe, the solenoid valve and air pump with the right side of the first babinet
The controller of fixed installation is electrically connected.
Preferably, the screen pipe includes tube body, and filter hole, the bottom of the tube body are offered at the top of the tube body
Lower filter hole is offered, the mesh diameter of the lower filter hole is 2/3rds of upper filter hole.
Preferably, the left side of first bottom of box at the top of support column with being fixedly connected, the bottom of the support column
Be fixedly connected with base, the bottom of second babinet is fixedly connected with one end of telescopic rod, the other end of the telescopic rod with
It is fixedly connected at the top of base, the surface of the telescopic rod is arranged with spring.
Preferably, the telescopic rod includes first body of rod and second body of rod, and the first bar is inserted into the bottom of second body of rod
The inside of body is fixedly connected with limiting plate.
Preferably, the spiral exhaust duct includes connecting tube, and the top of the connecting tube is connected with the bottom of aeration plate, institute
State one end of connecting tube to connect with one end of helix tube, the bottom of the bolt tube is connected with dispersion plate.
（Three）Beneficial effect
The present invention provides a kind of sewage-treatment plant based on biological formula.Possesses following beneficial effect：
1st, the sewage-treatment plant based on biological formula is somebody's turn to do, the inside that plant is placed into planting groove is planted, and first passes through plant
The plant nutrient flowed into inside plantation block in sewage is absorbed, sewage is passed to by the second transfer tube after the completion of absorption
The inside of second babinet, while controller control air pump works, air pump delivers gas to the inside of aeration plate when working,
Aeration tray bottom spiral exhaust duct the gas inside aeration plate is discharged downwards so that by the microorganism of microorganism plate blow to from
In the sewage that second transfer tube is discharged into, the organic matter in sewage is converted into simple inorganic matter by microorganism, makes having in sewage
Machine thing is handled, and effective cooperation of plant and microorganism, improves the treatment effect of sewage, strong applicability, reliability is high, saves
Shi Shengli.
2nd, should sewage-treatment plant based on biological formula, by setting Rose Box, screen pipe inside Rose Box is by sewage
It is discharged into bucket and is discharged into sewage and filtered, internal stone, chip is cleared up, the preliminary treatment of sewage is realized, alleviates
The burden that cleaning task afterwards are born, it is convenient and practical.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of the structure of screen pipe of the present invention；
Fig. 3 is the structure diagram of the spiral exhaust duct of the present invention；
Fig. 4 is the cross-sectional view of the structure of telescopic rod of the present invention.
In figure：1 first babinet, 2 second babinets, 3 kinds plant blocks, 4 carrier plates, 5 Rose Boxes, 6 sewage enter bucket, 7 screen pipes,
8 inserted links, 9 funnels, 10 first transfer tubes, 11 planting grooves, 12 seepage holes, 13 through holes, 14 second transfer tubes, 15 microorganism plates, 16 gas
Pump, 17 air inlet pipe, 18 air outlet pipes, 19 aeration plates, 20 spiral exhaust ducts, 21 drain pipes, 22 solenoid valves, 23 controllers, 24 tube bodies,
Filter hole on 25,26 times filter hole, 27 support columns, 28 bases, 29 telescopic rods, 30 springs, 31 first bodies of rod, 32 second bodies of rod,
33 limiting plates, 34 connecting tubes, 35 helix tubes, 36 dispersion plates.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of sewage-treatment plant based on biological formula, as shown in Figs 1-4, including the first babinet
1 and second babinet 2, the top of the second babinet 2 through the right side of 1 bottom of the first babinet and extend to the inside of the first babinet 1, position
Passing on left for the second babinet 2 inside the first babinet 1 plants block 3 with being fixedly connected on the left of 1 inner wall of the first babinet, and first
The left side of babinet 1 is fixedly connected with carrier plate 4, and the top of carrier plate 4 is installed with Rose Box 5, the top connection of Rose Box 5
There is sewage to be discharged into bucket 6, Rose Box 5 is internally provided with screen pipe 7, and screen pipe 7 includes tube body 24, and the top of tube body 24 offers
Upper filter hole 25, the bottom of tube body 24 offer lower filter hole 26, and the mesh diameter of lower filter hole 26 is the three of upper filter hole 25
/ bis-, the left end of screen pipe 7 through Rose Box 5 and is extended to the over the left side of filter box 5, the screen pipe 7 positioned at the left side of Rose Box 5
On be plugged with inserted link 8, be discharged into the inside that 6 sewage that are discharged into of bucket flow into from upper filter hole 25 tube body 24 from sewage, be more than in sewage
The stone chip of lower 26 mesh diameter of filter hole then stays in the inside of tube body 24, and the stone and chip inside tube body 24 are excessive
When, inserted link 8 is carried upwards, and the inside stone and chip of tube body 24 are discharged, and then realize the preliminary treatment to sewage, after mitigation
Burden during continuous processing, the inside of Rose Box 5 and is fixedly connected with funnel 9, the bottom of funnel 9 positioned at the lower section of screen pipe 7
It is fixedly connected with one end of the first transfer tube 10, first one end of transfer tube 10 away from funnel 9 sequentially passes through Rose Box 5, bearing
4 and second babinet 2 of plate and extend to the inside of the second babinet 2 and connect with planting the left side of block 3, plantation block 3 is hollow structure, is planted
The top for planting block 3 offers planting groove 11, and the slot bottom of planting groove 11 offers seepage hole 12, the top of the first babinet 1 and correspondence
The position of plantation block 3 offers through hole 13, and plant is put into the planting groove 11 at plantation block 3 top from through hole 13, plant via
Seepage hole 12 is communicated with the second transfer tube 14 from the absorption plant nutrient in plantation 3 inside sewage of block, the right side of plantation block 3, and second
The one end of transfer tube 14 away from plantation block 3 is through the second babinet 2 and extends to the inside of the second babinet 2, the inside of the second babinet 2
Microorganism plate 15 laterally is fixedly connected with, microorganism plate 15 is located at the top of 2 contact site of the second transfer tube 14 and the second babinet,
The top of first babinet 1 is installed with air pump 16, and the air inlet of air pump 16 is communicated with air inlet pipe 17, the gas outlet of air pump 16 with
One end of air outlet pipe 18 is fixedly connected, and the other end of air outlet pipe 18 sequentially passes through the first babinet 1 and the second babinet 2 and extends to
The inside of two babinets 2 is connected with the top of aeration plate 19, and the bottom of aeration plate 19 is communicated with spiral exhaust duct 20, spiral exhaust duct
20 are located at the top of microorganism plate 15, and spiral exhaust duct 20 includes connecting tube 34, the top of connecting tube 34 and the bottom of aeration plate 19
Portion connects, and one end of connecting tube 34 is connected with one end of helix tube 35, and the bottom of bolt tube 35 is connected with dispersion plate 36, spiral row
The gas that helix tube 35 on air hose 20 discharges aeration plate 19 is rotated, so as to accelerate the gas stream discharged from dispersion plate 36
Speed, drops in sewage easy to microorganism on microorganism plate 15, and the bottom on the right side of the second babinet 2 is communicated with drain pipe 21, discharge opeing
Solenoid valve 22 is provided with pipe 21, solenoid valve 22 is electromagnetically controlled industrial equipment, is the automation base for controlling fluid
The controller 23 that plinth element, solenoid valve 22 and air pump 16 are fixedly mounted with the right side of the first babinet 1 is electrically connected, and controller 23 uses
The economical main control computer of model KY02S, the inside that plant is placed into planting groove 11 are planted, and first passing through plant will flow into
Plant nutrient in plantation 3 inside sewage of block is absorbed, sewage is passed to by the second transfer tube 14 after the completion of absorption the
The inside of two babinets 2, while controller 23 controls air pump 16 to work, air pump 16 delivers gas to aeration plate 19 when working
Inside, the spiral exhaust duct 20 of 19 bottom of aeration plate discharges downwards the gas inside aeration plate 19, so that by microorganism plate
15 microorganism is blown to from the sewage that the second transfer tube 14 is discharged into, and the organic matter in sewage is converted into simple nothing by microorganism
Machine thing, is handled the organic matter in sewage, and after the completion of processing, controller control solenoid valve is opened, and water body is discharged.
The left side of first babinet, 1 bottom is fixedly connected with the top of support column 27, and the bottom of support column 27 and base 28 are solid
Fixed connection, the bottom of the second babinet 2 are fixedly connected with one end of telescopic rod 29, the other end of telescopic rod 29 and the top of base 28
It is fixedly connected, the surface of telescopic rod 29 is arranged with spring 30, and telescopic rod 29 includes first body of rod 31 and second body of rod 32, the second bar
The inside that first body of rod 31 is inserted into the bottom of body 32 is fixedly connected with limiting plate 33, by support column 27 and telescopic rod 29 to first
1 and second babinet 2 of babinet is supported, and spring 30 buffers the impact force that the second babinet 2 is subject to, and effectively protects the second babinet 2.
In conclusion being somebody's turn to do the sewage-treatment plant based on biological formula, the inside that plant is placed into planting groove 11 is planted
Plant, the plant nutrient that first passing through plant will flow into plantation 3 inside sewage of block is absorbed, and sewage passes through the after the completion of absorption
The inside for the second babinet 2 that two transfer tubes 14 pass to, while controller 23 controls air pump 16 to work, will when air pump 16 works
Gas transport arranges downwards the gas inside aeration plate 19 to the inside of aeration plate 19, the spiral exhaust duct 20 of 19 bottom of aeration plate
Go out, so as to blowing to the microorganism of microorganism plate 15 from the sewage that the second transfer tube 14 is discharged into, microorganism is by having in sewage
Machine thing is converted into simple inorganic matter, is handled the organic matter in sewage, and effective cooperation of plant and microorganism, improves
The treatment effect of sewage, strong applicability, reliability is high, time saving and energy saving.
Secondly, by setting Rose Box 5, sewage is discharged into struggle against and 5 is discharged into sewage and carried out by the screen pipe 6 inside Rose Box 5
Filter, internal stone, chip are cleared up, the preliminary treatment of sewage is realized, alleviates what cleaning task afterwards were born
Burden, it is convenient and practical.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, by sentence " including one ... the key element limited, it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of sewage-treatment plant based on biological formula, including the first babinet（1）With the second babinet（2）, it is characterised in that：Institute
State the second babinet（2）Top run through the first babinet（1）The right side of bottom and extend to the first babinet（1）Inside, positioned at
One babinet（1）The second internal babinet（2）Pass on left plantation block（3）With the first babinet（1）It is fixedly connected on the left of inner wall,
First babinet（1）Left side be fixedly connected with carrier plate（4）, the carrier plate（4）Top be installed with Rose Box
（5）, the Rose Box（5）Top be connected with sewage and be discharged into bucket（6）, the Rose Box（5）Be internally provided with screen pipe
（7）, the screen pipe（7）Left end run through Rose Box（5）And it is extended to the over filter box（5）Left side, positioned at Rose Box（5）Left side
Screen pipe（7）On be plugged with inserted link（8）, the Rose Box（5）Inside and be located at screen pipe（7）Lower section be fixedly connected
There is funnel（9）, the funnel（9）Bottom and the first transfer tube（10）One end be fixedly connected, first transfer tube（10）
Away from funnel（9）One end sequentially pass through Rose Box（5）, carrier plate（4）With the second babinet（2）And extend to the second babinet（2）
Inside with plantation block（3）Left side connection, the plantation block（3）For hollow structure, the plantation block（3）Top offer
Planting groove（11）, the planting groove（11）Slot bottom offer seepage hole（12）, first babinet（1）Top and corresponding kind
Plant block（3）Position offer through hole（13）, the plantation block（3）Right side be communicated with the second transfer tube（14）, described second
Transfer tube（14）Away from plantation block（3）One end run through the second babinet（2）And extend to the second babinet（2）Inside, described
Two babinets（2）Inner transverse be fixedly connected with microorganism plate（15）, microorganism plate（15）Positioned at the second transfer tube（14）With
Two babinets（2）The top of contact site, first babinet（1）Top be installed with air pump（16）, the air pump（16）
Air inlet be communicated with air inlet pipe（17）, the air pump（16）Gas outlet and air outlet pipe（18）One end be fixedly connected, it is described
Air outlet pipe（18）The other end sequentially pass through the first babinet（1）With the second babinet（2）And extend to the second babinet（2）Inside with
Aeration plate（19）Top connection, the aeration plate（19）Bottom be communicated with spiral exhaust duct（20）, the spiral exhaust duct
（20）Positioned at microorganism plate（15）Top, second babinet（2）The bottom on right side is communicated with drain pipe（21）, the discharge opeing
Pipe（21）On be provided with solenoid valve（22）, the solenoid valve（22）And air pump（16）With the first babinet（1）Right side is fixedly mounted
Controller（23）It is electrically connected.
A kind of 2. sewage-treatment plant based on biological formula according to claim 1, it is characterised in that：The screen pipe
（7）Including tube body（24）, the tube body（24）Top offer filter hole（25）, the tube body（24）Bottom offer
Lower filter hole（26）, the lower filter hole（26）Mesh diameter be upper filter hole（25）2/3rds.
A kind of 3. sewage-treatment plant based on biological formula according to claim 1, it is characterised in that：First babinet
（1）The left side of bottom and support column（27）Top be fixedly connected, the support column（27）Bottom and base（28）It is fixed to connect
Connect, second babinet（2）Bottom and telescopic rod（29）One end be fixedly connected, the telescopic rod（29）The other end and bottom
Seat（28）Top be fixedly connected, the telescopic rod（29）Surface be arranged with spring（30）.
A kind of 4. sewage-treatment plant based on biological formula according to claim 3, it is characterised in that：The telescopic rod
（29）Including first body of rod（31）With second body of rod（32）, second body of rod（32）Bottom be inserted into first body of rod（31）It is interior
Portion and limiting plate（33）It is fixedly connected.
A kind of 5. sewage-treatment plant based on biological formula according to claim 1, it is characterised in that：The spiral air draft
Pipe（20）Including connecting tube（34）, the connecting tube（34）Top and aeration plate（19）Bottom connection, the connecting tube
（34）One end and helix tube（35）One end connection, the bolt tube（35）Bottom and dispersion plate（36）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924328.1A CN108017221A (en) | 2016-10-29 | 2016-10-29 | A kind of sewage-treatment plant based on biological formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924328.1A CN108017221A (en) | 2016-10-29 | 2016-10-29 | A kind of sewage-treatment plant based on biological formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108017221A true CN108017221A (en) | 2018-05-11 |
Family
ID=62070203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610924328.1A Withdrawn CN108017221A (en) | 2016-10-29 | 2016-10-29 | A kind of sewage-treatment plant based on biological formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108017221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901439A (en) * | 2018-06-25 | 2018-11-30 | 安徽中环环保科技股份有限公司 | A kind of submerged plant growth-promoting device based on natural light |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058881A1 (en) * | 1997-06-23 | 1998-12-30 | Wallace Scott D | Method and apparatus for biological treatment of waste water |
| CN204134754U (en) * | 2014-08-20 | 2015-02-04 | 宿迁嵘锦信息科技有限公司 | Accelerate cyclone separator |
| CN104478087A (en) * | 2014-12-02 | 2015-04-01 | 项敬来 | Sealed type biological sewage treatment device |
| CN205088066U (en) * | 2015-09-23 | 2016-03-16 | 深圳市科鸿环保新能源科技有限公司 | Domestic sewage treatment system |
| CN205295078U (en) * | 2015-12-21 | 2016-06-08 | 杭州爱立特生态环境科技有限公司 | Integral sewage treating device |
-
2016
- 2016-10-29 CN CN201610924328.1A patent/CN108017221A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058881A1 (en) * | 1997-06-23 | 1998-12-30 | Wallace Scott D | Method and apparatus for biological treatment of waste water |
| CN204134754U (en) * | 2014-08-20 | 2015-02-04 | 宿迁嵘锦信息科技有限公司 | Accelerate cyclone separator |
| CN104478087A (en) * | 2014-12-02 | 2015-04-01 | 项敬来 | Sealed type biological sewage treatment device |
| CN205088066U (en) * | 2015-09-23 | 2016-03-16 | 深圳市科鸿环保新能源科技有限公司 | Domestic sewage treatment system |
| CN205295078U (en) * | 2015-12-21 | 2016-06-08 | 杭州爱立特生态环境科技有限公司 | Integral sewage treating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901439A (en) * | 2018-06-25 | 2018-11-30 | 安徽中环环保科技股份有限公司 | A kind of submerged plant growth-promoting device based on natural light |
| CN108901439B (en) * | 2018-06-25 | 2021-04-27 | 安徽中环环保科技股份有限公司 | Submerged plant growth promoting device based on natural light |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |