CN108373211A - A kind of rainwater purification apparatus - Google Patents
A kind of rainwater purification apparatus Download PDFInfo
- Publication number
- CN108373211A CN108373211A CN201810418624.3A CN201810418624A CN108373211A CN 108373211 A CN108373211 A CN 108373211A CN 201810418624 A CN201810418624 A CN 201810418624A CN 108373211 A CN108373211 A CN 108373211A
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- China
- Prior art keywords
- rainwater
- staving
- purification
- purification apparatus
- bucket
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
- C02F1/64—Heavy metal compounds of iron or manganese
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of rainwater purification apparatus, including rainwater to accept bucket, and rainwater accepts bucket lower part and is equipped with purification staving, and the side for purifying staving is connected with staving is collected；The bore that the rainwater accepts bucket is gradually reduced from top to bottom, the opening that rainwater accepts bucket is equipped with primary filter plate, the lower part that rainwater accepts bucket is connected by fixed column with kuppe, kuppe lower part is equipped with flow regulator, flow regulator setting is in purification staving opening, flow regulator lower part is equipped with solids filter frame, is equipped with multiple water purifying plates in purification barrel body, multiple water purifying plates are staggered.The present invention can realize that the fast purification of water body, good purification can save water resource, turn waste into wealth, and while purification, can realize that the flow to rainwater in purification process is adjusted, simple in structure, easy to use, practicability is stronger.
Description
Technical field
The invention belongs to sewage-treatment plant technical fields, in particular it relates to a kind of rainwater purification apparatus.
Background technology
The Chinese high-speed development period for being in urbanization now, population and wealth are constantly concentrated to city, and urban size is got over
Come bigger, with the continuous quickening of urbanization process, site coverage is also increasing in city, urban rainwater system on human day
The influence often lived is also increasingly apparent, available water purification resource critical shortage, can not be direct although rainwater resource is abundant
It is used, can only be allowed to be lost in, cause certain waste in this way.
The Chinese invention patent that number of patent application is 201610696083.1, discloses a kind of rainwater purifier, rainwater collection
Collect bucket and be equipped with device for collecting rain water, is equipped with purifying layer in rainwater-collecting bucket, the rainwater-collecting bucket has water purification outlet pipe, only
Water outlet pipe is equipped with switch, and rainwater-collecting bucket is equipped with rainwater outlet pipe, and rainwater outlet pipe is equipped with switch.The invention provides
A kind of rainwater purifier can effectively utilize device for collecting rain water by using above-mentioned structure, by rainwater-collecting into rainwater
It in collecting vessel, and by purifying layer, by rainwater purification, and is used, alleviates shortage of water resources problem.But the patent is not
It can realize and the flow of rainwater is adjusted in purification process, in addition, clean-up effect is bad.
Invention content
In order to overcome the above problems of the prior art, the present invention to provide a kind of rainwater purification apparatus, including rainwater
Bucket is accepted, rainwater accepts bucket lower part and is equipped with purification staving, and the side for purifying staving is connected with staving is collected；The rainwater accepts bucket
Bore be gradually reduced from top to bottom, rainwater accept bucket opening be equipped with primary filter plate, rainwater accept bucket lower part pass through
Fixed column is connected with kuppe, and kuppe lower part is equipped with flow regulator, and flow regulator setting is in purification staving opening
Place, flow regulator lower part are equipped with solids filter frame, multiple water purifying plates are equipped in purification barrel body, and multiple water purifying plates are staggeredly set
It sets.
In any of the above-described scheme preferably, the rainwater accepts bucket as campanula halleri Halleri.
In any of the above-described scheme preferably, the lower part of the rainwater undertaking bucket passes through phase inside fixed column and kuppe
It is intercommunicated.
In any of the above-described scheme preferably, the bore of the kuppe gradually increases from top to bottom.
In any of the above-described scheme preferably, the flow regulator includes adjustment plate and secondary filtration plate, adjustment
Plate is arranged on secondary filtration plate top.
In any of the above-described scheme preferably, the adjustment plate is identical with the filter hole aperture of secondary filtration plate or not
Together.
In any of the above-described scheme preferably, fixing groove is equipped in the secondary filtration plate, adjustment plate lower part is equipped with solid
Fixed pole, adjustment plate can be rotated by fixed link around fixing groove.
In any of the above-described scheme preferably, macropore and aperture, the aperture of macropore and two level are equipped in the adjustment plate
The pore size of filter plate is identical, and the aperture of aperture is less than the aperture of secondary filtration plate.
In any of the above-described scheme preferably, it is connected with handle in the adjustment plate.
In any of the above-described scheme preferably, the solids filter frame is connected to two level by flexible connector
Filter plate lower part.
In any of the above-described scheme preferably, the solids filter frame using glass fibre and/or geotextiles and/or
Stainless steel and/or basalt and/or nylon material are made.
In any of the above-described scheme preferably, the flexible connector is silica gel rope.
In any of the above-described scheme preferably, the quantity of the water purifying plate is four, and four water purifying plates or so are staggeredly set
It sets.
In any of the above-described scheme preferably, spout hole is equipped in the water purifying plate, the shape of spout hole is quadrangle
And/or round and/or triangle.
In any of the above-described scheme preferably, the bore of the spout hole gradually increases from top to bottom.
In any of the above-described scheme preferably, the multiple water purifying plate is arranged in parallel.
In any of the above-described scheme preferably, the side of the water purifying plate is equipped with baffle.
In any of the above-described scheme preferably, the included angle of the baffle and water purifying plate is 90 °.
In any of the above-described scheme preferably, the water purifying plate top is equipped with geotextiles and purification filler.
In any of the above-described scheme preferably, the purification filler include first filter pulp, activated carbon filter layer, Zero-valent Iron from
Sub- filter layer, nanometer oyster shell whiting filter layer.
It is preferably in any of the above-described scheme, the just filter pulp, Zero-valent Iron ion filter layer, is received activated carbon filter layer
Rice oyster shell whiting filter layer is set gradually from top to bottom.
In any of the above-described scheme preferably, partition cloth is equipped between adjacent layer.
In any of the above-described scheme preferably, the side of the purification staving is connected by drainpipe with staving is collected,
The other side for purifying staving is equipped with limited mouth, and one end of position-limiting tube is connected with limited mouth, and the other end extends in liquid storing barrel.
In any of the above-described scheme preferably, one end of circulation pipe extends in liquid storing barrel, and the other end extends to rainwater
Accept bucket top.
In any of the above-described scheme preferably, the centre of the circulation pipe is equipped with small pump.
The present invention provides a kind of rainwater purification apparatus, including rainwater accepts bucket, and rainwater accepts bucket lower part and is equipped with purification staving,
The side for purifying staving is connected with staving is collected；The bore that the rainwater accepts bucket is gradually reduced from top to bottom, and rainwater accepts bucket
Opening be equipped with primary filter plate, rainwater accept bucket lower part connected with kuppe by fixed column, kuppe lower part is equipped with
Flow regulator, flow regulator setting are filtered in purification staving opening, flow regulator lower part equipped with solids
Frame, purification barrel body is interior to be equipped with multiple water purifying plates, and multiple water purifying plates are staggered.The present invention can realize the fast purification of water body,
Good purification can save water resource, turn waste into wealth, and while purification, can realize the stream to rainwater in purification process
Amount is adjusted, simple in structure, easy to use, and practicability is stronger.
Description of the drawings
Fig. 1 is the overall structure sectional view of a preferred embodiment of rainwater purification apparatus according to the invention；
Fig. 2 is a partial structural diagram of Fig. 1；
Fig. 3 is a partial structural diagram of Fig. 2；
Fig. 4 is another partial structural diagram of Fig. 1.
Specific implementation mode
In order to be best understood from technical scheme of the present invention and advantage, below by way of specific implementation mode, and in conjunction with attached drawing pair
The present invention is described further.
Embodiment one
As Figure 1-Figure 4, the present invention provides a kind of rainwater purification apparatus, including rainwater accepts bucket 1, and rainwater accepts bucket 1
To fall campanula halleri Halleri, to ensure that opening bore is larger, increase bearing capacity.
Rainwater accepts 1 lower part of bucket and is equipped with purification staving 2, and purification staving 2 carries out purified treatment to rainwater.Purify staving 2
Side and collection staving 3 connect, and collect staving 3 for holding purified water body.Rainwater accept bucket 2 bore from top to bottom by
Decrescence small, the opening that rainwater accepts bucket 1 is equipped with primary filter plate 4, and primary filter plate 4 first tentatively filters rainwater, goes
Except large volume of impurity, prevent from blocking 1 bottom of rainwater undertaking bucket.
The lower part that rainwater accepts bucket 2 is connected by fixed column 5 and kuppe 6, and 6 lower part of kuppe is equipped with flow regulator
7, flow regulator 7 can realize the adjusting for the flow velocity that flows down to water body, to ensure clean-up effect.Flow regulator 7 is set
It sets in purification 2 opening of staving, 7 lower part of flow regulator is equipped with solids filter frame 8.1 equipped with multiple net in purification barrel body
Water plate 9, multiple water purifying plates 9 are staggered, and to extend the flowing through channel of rainwater, enhance purifying water effect.
According to the technical solution that the present invention advanced optimizes, the lower part that the rainwater accepts bucket 1 passes through fixed column 5 and water conservancy diversion
6 inside of cover is interconnected.
According to the technical solution that the present invention advanced optimizes, the bore of the kuppe 6 gradually increases from top to bottom, ensures
Integrally-built stability, while can guarantee water body even into flow regulator 7.
According to the technical solution that the present invention advanced optimizes, the flow regulator 7 includes adjustment plate 71 and two level mistake
Filter plate 72, adjustment plate 71 are arranged on 72 top of secondary filtration plate.
According to the technical solution that the present invention advanced optimizes, the filter hole aperture of the adjustment plate 71 and secondary filtration plate 72
It is not exactly the same.
According to the technical solution that the present invention advanced optimizes, fixing groove 10, adjustment plate are equipped in the secondary filtration plate 72
71 lower parts are equipped with fixed link 11, and adjustment plate 71 can be rotated by fixed link 11 around fixing groove 10, by rotating adjustment plate 71,
Carry out the adjusting and control of flow velocity.
According to the technical solution that the present invention advanced optimizes, the solids filter frame 8 is connected by flexible connector 13
In 72 lower part of secondary filtration plate.Flexible connector 13 is silica gel rope, when the interior solid refuse of solids filter frame 8 is more, weight
It measures heavier, therefore can silica gel rope be stretched, to increase secondary filtration plate 72 and solids filter frame due to the effect of gravity down
The distance between 8, it prevents apart from too small, 72 lower part of blocking secondary filtration plate.
According to the technical solution that the present invention advanced optimizes, the quantity of the water purifying plate 9 is four, and four water purifying plates 9 are left
The right side is staggered.
According to the technical solution that the present invention advanced optimizes, the bore of the spout hole 91 gradually increases from top to bottom, rain
After Water warfare, the velocity of discharge is increased.
According to the technical solution that the present invention advanced optimizes, the multiple water purifying plate 9 is mutually parallel and is spaced setting.
According to the technical solution that the present invention advanced optimizes, 9 top of the water purifying plate is equipped with geotextiles 15 and purification filler.
It includes first filter pulp layer 16, activated carbon filter layer 17, Zero-valent Iron ion filter layer 18, nanometer oyster shell whiting filter layer 19 to purify filler.
According to the technical solution that the present invention advanced optimizes, it is equipped with partition cloth 20 between adjacent layer, is prevented due to rainwater
It washes away, clean-up effect is reduced after each layer mixing.
According to the technical solution that the present invention advanced optimizes, the side of the purification staving 2 by drainpipe 21 and is collected
Staving 3 connects, and the other side of purification staving 2 is equipped with limited mouth 22, and one end of position-limiting tube 23 and limited mouth 22 connect, and the other end prolongs
It extends in liquid storing barrel 24.When purifying, the liquid in staving 2 is more, when being highly more than limited mouth 22, hence it is evident that, have been over water purification
The detergent power range of plate 9, therefore, it is difficult to ensure clean-up effect, so setting limited mouth 22, superfluous water cognition passes through limited mouth
22 are discharged into liquid storing barrel 24, finally carry out circularly purifying again, ensure clean-up effect.
Embodiment two
A kind of rainwater purification apparatus, what is different from the first embodiment is that the pore size of secondary filtration plate 72 is identical.
Embodiment three
A kind of rainwater purification apparatus, what is different from the first embodiment is that being equipped with macropore 711 and aperture 712 in adjustment plate 71, greatly
The aperture in hole 711 is identical with the pore size of secondary filtration plate 72, and the aperture of aperture 712 is less than the aperture of secondary filtration plate 72.
Macropore 711 and aperture 712 radially and interval setting, the control of flow are realized by rotating adjustment plate 71, in 712 He of aperture
When the filter hole of secondary filtration plate 72 overlaps, water flow becomes smaller, the filter hole coincidence of macropore 711 and secondary filtration plate 72
When, flow is larger, naturally it is also possible to by making the filter hole of macropore 711 and secondary filtration plate 72 not exclusively overlap, be controlled
System, water flow fall between.
Example IV
A kind of rainwater purification apparatus is connected with handle 12 unlike embodiment three in the adjustment plate 71, side
It will pass through handle 12 to rotate adjustment plate 71, to realize the adjusting of flow velocity.
Embodiment five
A kind of rainwater purification apparatus, what is different from the first embodiment is that the solids filter frame 8 using glass fibre and/
Or geotextiles and/or stainless steel and/or basalt and/or nylon material are made, and leakage is equipped in solids filter frame 8
Mouthful.
Embodiment six
A kind of rainwater purification apparatus is similar to embodiment one, what is different from the first embodiment is that being equipped with overflow in water purifying plate 9
The shape in hole 91, spout hole 91 is quadrangle and/or circle and/or triangle.
Embodiment seven
A kind of rainwater purification apparatus is similar to embodiment six, unlike embodiment six, the side of the water purifying plate 9
Equipped with baffle 14, baffle 14 can concentrate on water body in the space on 9 top of water purifying plate, to slowly carry out purified treatment, no
It is directly fallen as rainwater.
Embodiment eight
A kind of rainwater purification apparatus is similar to embodiment seven, unlike embodiment seven, the baffle 14 and water purifying plate
9 included angle is 90 °.
Embodiment nine
A kind of rainwater purification apparatus is similar to embodiment one, what is different from the first embodiment is that just filter pulp layer 16, activated carbon
Filter layer 17, Zero-valent Iron ion filter layer 18, nanometer oyster shell whiting filter layer 19 are set gradually from top to bottom.
Embodiment ten
A kind of rainwater purification apparatus is similar to embodiment one, what is different from the first embodiment is that one end of the circulation pipe 25
It extends in liquid storing barrel 24, the other end extends to rainwater and accepts 1 top of bucket.
Embodiment 11
A kind of rainwater purification apparatus is similar to embodiment ten, unlike embodiment ten, the centre of the circulation pipe 25
Equipped with small pump 26, when purifying, the liquid in staving 2 is more, when being highly more than limited mouth 22, has been over water purifying plate 9
Detergent power range, therefore, it is difficult to ensure clean-up effect, so setting limited mouth 22, superfluous water, which is known from experience, passes through 22 row of limited mouth
Enter in liquid storing barrel 24, small pump 26 is fed again into rainwater and accepts bucket 1 top after going out the water body in liquid storing barrel 24, again into
Row circularly purifying ensures clean-up effect.
Embodiment 12
A kind of rainwater purification apparatus is similar to embodiment one, what is different from the first embodiment is that multiple water purifying plates 9 are mutually flat
It goes and between the upper and lower every setting, the structure of multiple water purifying plates 9 is identical, increase clean-up effect.
The working method of rainwater purification apparatus of the present invention is：If it is rainy season, the lid that rainwater accepts 1 top of bucket is opened
Body, it is that campanula halleri Halleri can flow into rain to ensure that opening bore is larger to the water body of larger area that rainwater, which accepts bucket 1,
Water is accepted in bucket 1, and 4 filtering and impurity removing of primary filter plate is first passed around, and flows into flow regulator 7, is adjusted by rotating adjustment plate 71
Whole to arrive proper flow rates, water body enters solids filter frame 8, again passes by fine impurity removal, sifts out granule foreign, finally fall into successively
Multiple water purifying plates 9 carry out purified treatment, remove the noxious materials such as removing heavy metals, reach using standard, purified water body can be used
It is used as domestic water in pouring farmland, laundry etc..
It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It is still
Either which part or all technical features can be carried out so that technical scheme described in the above embodiments is modified
Equivalent replacement；And these modifications or replacements, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. a kind of rainwater purification apparatus, it is characterised in that：Bucket is accepted including rainwater, rainwater accepts bucket lower part and is equipped with purification staving,
The side for purifying staving is connected with staving is collected；The bore that the rainwater accepts bucket is gradually reduced from top to bottom, and rainwater accepts bucket
Opening be equipped with primary filter plate, rainwater accept bucket lower part connected with kuppe by fixed column, kuppe lower part is equipped with
Flow regulator, flow regulator setting are filtered in purification staving opening, flow regulator lower part equipped with solids
Frame, purification barrel body is interior to be equipped with multiple water purifying plates, and multiple water purifying plates are staggered.
2. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：It is bell knot that the rainwater, which accepts bucket,
Structure.
3. a kind of rainwater purification apparatus as claimed in claim 2, it is characterised in that：The lower part that the rainwater accepts bucket passes through admittedly
It is interconnected inside fixed column and kuppe.
4. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：The flow regulator includes adjustment plate
With secondary filtration plate, adjustment plate is arranged on secondary filtration plate top.
5. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：It is equipped with and fixes in the secondary filtration plate
Slot, adjustment plate lower part are equipped with fixed link, and adjustment plate can be rotated by fixed link around fixing groove.
6. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：The adjustment plate is interior equipped with macropore and small
The aperture in hole, macropore is identical with the pore size of secondary filtration plate, and the aperture of aperture is less than the aperture of secondary filtration plate.
7. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：The solids filter frame is connected by elasticity
Fitting is connected to secondary filtration plate lower part.
8. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：The side of the water purifying plate is equipped with baffle.
9. a kind of rainwater purification apparatus as claimed in claim 8, it is characterised in that：The baffle is equipped with purification filler, only
It includes first filter pulp, activated carbon filter layer, Zero-valent Iron ion filter layer, nanometer oyster shell whiting filter layer to change filler.
10. a kind of rainwater purification apparatus as described in claim 1, it is characterised in that：The side of the purification staving passes through row
Water pipe is connected with staving is collected, and the other side for purifying staving is equipped with limited mouth, and one end of position-limiting tube is connected with limited mouth, the other end
It extends in liquid storing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418624.3A CN108373211B (en) | 2018-05-04 | 2018-05-04 | Rainwater purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418624.3A CN108373211B (en) | 2018-05-04 | 2018-05-04 | Rainwater purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108373211A true CN108373211A (en) | 2018-08-07 |
| CN108373211B CN108373211B (en) | 2021-01-26 |
Family
ID=63033339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810418624.3A Active CN108373211B (en) | 2018-05-04 | 2018-05-04 | Rainwater purification device |
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| Country | Link |
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| CN (1) | CN108373211B (en) |
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| CN110683668A (en) * | 2019-10-09 | 2020-01-14 | 刘羽开 | Drainage comprehensive utilization system |
| CN110759415A (en) * | 2019-11-25 | 2020-02-07 | 江西天美生物科技有限公司 | Water body purifying device adopting activated carbon |
| CN111335850A (en) * | 2020-04-15 | 2020-06-26 | 郑春辉 | Sand control screen pipe capable of adjusting aperture of screen hole |
| CN111705886A (en) * | 2020-07-02 | 2020-09-25 | 蔡冀奇 | Rainwater collection device for municipal garden based on rainwater reuse technology |
| CN112619268A (en) * | 2020-12-23 | 2021-04-09 | 重庆三峡学院 | Automatic rainwater recycling device for environmental design |
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| CN111705886A (en) * | 2020-07-02 | 2020-09-25 | 蔡冀奇 | Rainwater collection device for municipal garden based on rainwater reuse technology |
| CN112619268A (en) * | 2020-12-23 | 2021-04-09 | 重庆三峡学院 | Automatic rainwater recycling device for environmental design |
| CN112619268B (en) * | 2020-12-23 | 2021-12-31 | 重庆三峡学院 | Automatic rainwater recycling device for environmental design |
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