CN111908721A - Artificial wetland system for river channel treatment engineering - Google Patents
Artificial wetland system for river channel treatment engineering Download PDFInfo
- Publication number
- CN111908721A CN111908721A CN202010812437.0A CN202010812437A CN111908721A CN 111908721 A CN111908721 A CN 111908721A CN 202010812437 A CN202010812437 A CN 202010812437A CN 111908721 A CN111908721 A CN 111908721A
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- Prior art keywords
- aeration
- sewage
- wetland system
- scum
- pipe
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- 238000005273 aeration Methods 0.000 claims abstract description 87
- 239000010865 sewage Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 22
- 239000011229 interlayer Substances 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
- 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
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an artificial wetland system for river treatment engineering, which belongs to the technical field of artificial wetland systems, sewage is uniformly sprayed on a first detachable filter screen through a water distribution pipe network, double filtration is realized through the first detachable filter screen and a second detachable filter screen, then the sewage enters a second aeration scum treatment tank through a lower liquid outlet, scum floats upwards after aeration through a second aeration pipe, scum is salvaged through a first rotary filter assembly, the scum enters the first aeration scum treatment tank through a second upper liquid outlet and floats upwards after aeration through the first aeration pipe, the scum is salvaged through the second rotary filter assembly, and then the liquid flows into a sewage ecological treatment tank through the first upper liquid outlet to be subjected to multi-layer filtration treatment, so that the sewage is sufficiently and effectively treated.
Description
Technical Field
The invention relates to an artificial wetland system, in particular to an artificial wetland system for river treatment engineering, and belongs to the technical field of artificial wetland systems.
Background
The artificial wetland system is a wetland formed by human factors, and is a technology for treating sewage and sludge by mainly utilizing the physical, chemical and biological synergistic effects of soil, artificial media, plants and microorganisms.
The artificial wetland is a comprehensive ecological system, which applies the principles of species symbiosis and material cycle regeneration in the ecological system and the coordination principle of structure and function, fully exerts the production potential of resources on the premise of promoting the virtuous cycle of pollutants in wastewater, prevents the re-pollution of the environment and obtains the best benefits of sewage treatment and resource utilization.
The constructed wetland system among the prior art can't carry out comprehensive water distribution more when carrying out the preliminary treatment, and secondly the filter screen is dismantled not convenient, and secondly current only a dross filter tank filter effect is not good so design a constructed wetland system for river channel treatment engineering and optimize above-mentioned problem when carrying out the dross and filter.
Disclosure of Invention
The invention mainly aims to provide an artificial wetland system for river regulation engineering, sewage is uniformly sprayed on a first detachable filter screen through a water distribution pipe network, double filtration is realized from the first detachable filter screen to a second detachable filter screen, then the sewage enters a second aeration scum treatment tank through a lower liquid outlet, scum floats after aeration through a second aeration pipe, the scum is salvaged by a first rotary filter assembly, the scum enters the first aeration scum treatment tank through a second upper liquid outlet and floats after aeration through the first aeration pipe, the scum is salvaged by a second rotary filter assembly, and then the liquid flows into a sewage ecological treatment tank through the first upper liquid outlet to be subjected to multi-layer filtration treatment, so that the sewage is sufficiently and effectively treated.
The purpose of the invention can be achieved by adopting the following technical scheme:
an artificial wetland system for river treatment engineering comprises an artificial wetland system, wherein the artificial wetland system comprises a sewage ecological treatment tank, a first aeration scum treatment tank, a second aeration scum treatment tank and a pretreatment tank, the sewage filtering sequence is from the pretreatment tank, the second aeration scum treatment tank, the first aeration scum treatment tank and the sewage ecological treatment tank are sequentially sequenced, the inner side of the pretreatment tank is provided with a first detachable filter screen and a second detachable filter screen respectively and a clamping component mutually matched with the first detachable filter screen and the second detachable filter screen, the top of the pretreatment tank is provided with a water distribution pipe network with a concentric ring pipe structure, the inner bottom of the second aeration scum treatment tank is provided with a second aeration pipe, and the side wall of the second aeration scum treatment tank is provided with a first rotary filter component, the interior bottom of first aeration dross processing tank is equipped with first aeration pipe, just the lateral wall of first aeration dross processing tank is equipped with the rotatory filter assembly of second, second aeration dross processing tank with the liquid outlet intercommunication under passing between the preliminary treatment pond, first aeration dross processing tank with liquid outlet intercommunication on passing through the second between the second aeration dross processing tank in the top, the ecological processing pond of sewage with the liquid outlet intercommunication is gone up through first in the top between the first aeration dross processing tank.
Preferably, the screens subassembly includes fixture block, the type of falling protruding groove, interlayer chamber, spacing spring and gag lever post, the fixture block is installed respectively the first below of dismantling the filter screen and the filter screen can be dismantled to the second, the type of falling protruding groove is seted up in the fixture block, the type of falling protruding groove lateral part is equipped with the interlayer chamber, interlayer intracavity tip is equipped with spacing spring, just spacing spring's the other end is equipped with the gag lever post.
Preferably, the bottom both sides of first can dismantle the filter screen with the bottom both sides that the filter screen can be dismantled to the second all install the cardboard, just cardboard outside bottom is equipped with the jack, the gag lever post with the cooperation is established to the jack card, the cardboard with the cooperation is inserted in the type groove of falling the convexity.
Preferably, first rotatory filter component includes the rotatory filter of second bull stick, first connecting arm and second, the second bull stick is installed the inside wall in second aeration dross treatment tank, the mid-mounting in the second bull stick outside has first connecting arm, first connecting arm is kept away from the one end of second bull stick is installed the rotatory filter of second.
Preferably, the second rotary filter component comprises a first rotary filter plate, a first rotating rod and a second connecting arm, the first rotating rod is arranged on the inner side wall of the first aeration scum treatment pool, the middle part of the outer side of the first rotating rod is provided with the second connecting arm, and the second connecting arm is far away from one end of the first rotating rod and is arranged on the first rotary filter plate.
Preferably, a soil layer, a matrix layer, a transition layer, a gravel layer and a sponge supporting net layer are distributed from the right top to the bottom of the inner side of the sewage ecological treatment pool.
Preferably, one end of the first rotating rod, which is positioned at the outer side of the artificial wetland system, and one end of the second rotating rod, which is positioned at the outer side of the artificial wetland system, are both connected with a driving motor.
Preferably, a sewage communicating pipe is installed at the top of the water distribution pipe network, the sewage communicating pipe is connected with a sewage pump, the bottoms of the first aeration pipe and the second aeration pipe are communicated with an aeration connecting pipe, and the aeration connecting pipe is connected with an air inlet pump.
Preferably, the bottom of the water distribution pipe network is provided with blow-down nozzles upwards at equal intervals along the water distribution pipe network.
The invention has the beneficial technical effects that:
the artificial wetland system for the river regulation engineering provided by the invention has the advantages that sewage is uniformly sprayed on the first detachable filter screen through the water distribution pipe network, double filtration is realized from the first detachable filter screen to the second detachable filter screen, then the sewage enters the second aeration scum treatment tank through the lower liquid outlet, scum floats upwards after aeration through the second aeration pipe, the scum is salvaged through the first rotary filter component, the sewage enters the first aeration scum treatment tank through the second upper liquid outlet, the scum floats upwards after aeration through the first aeration pipe, the scum is salvaged through the second rotary filter component, and then the liquid flows into the sewage ecological treatment tank through the first upper liquid outlet, and the sewage is fully and effectively treated after multi-layer filtration treatment.
Drawings
Fig. 1 is a perspective sectional view of a preferred embodiment of an artificial wetland system for river regulation according to the present invention;
fig. 2 is a schematic perspective view of a water distribution assembly of an artificial wetland system for river regulation engineering according to a preferred embodiment of the invention;
fig. 3 is a structural view of a circulating dross filtering assembly in accordance with a preferred embodiment of the constructed wetland system for river regulation projects;
fig. 4 is an enlarged view of a structure at a position a of a preferred embodiment of the constructed wetland system for river regulation engineering according to the invention;
fig. 5 is an enlarged view of the structure at the position b of a preferred embodiment of the constructed wetland system for river regulation engineering according to the invention.
In the figure: 1-an artificial wetland system, 2-a first rotary filter plate, 3-a first rotating rod, 4-a soil layer, 5-a first upper liquid outlet, 6-a matrix layer, 7-a transition layer, 8-a gravel layer, 9-a sponge supporting net layer, 10-a sewage ecological treatment tank, 11-a first aeration pipe, 12-a first aeration scum treatment tank, 13-an aeration connecting pipe, 14-a second aeration pipe, 15-a second rotary filter plate, 16-a second rotating rod, 17-a second upper liquid outlet, 18-a lower liquid outlet, 19-a second aeration scum treatment tank, 20-a pretreatment tank, 21-a first detachable filter screen, 22-a second detachable filter screen, 23-a water distribution pipe network, 24-a driving motor and 25-a sewage communicating pipe, 26-a pollution discharge nozzle, 27-a clamping plate, 28-an inverted convex groove, 29-a partition cavity, 30-a limiting spring, 31-a limiting rod, 32-a jack and 33-a clamping block.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-5, the constructed wetland system for river treatment engineering provided in this embodiment comprises an constructed wetland system 1, wherein the constructed wetland system 1 comprises a sewage ecological treatment tank 10, a first aeration scum treatment tank 12, a second aeration scum treatment tank 19 and a pretreatment tank 20, the sewage filtration sequence is sequentially arranged from the pretreatment tank 20, the second aeration scum treatment tank 19, the first aeration scum treatment tank 12 to the sewage ecological treatment tank 10, the inner side of the pretreatment tank 20 is provided with a first detachable filter screen 21 and a second detachable filter screen 22 respectively and is provided with a clamping component matched with the first detachable filter screen 21 and the second detachable filter screen 22, the top of the pretreatment tank 20 is provided with a water distribution pipe screen 23 with a concentric ring pipe structure, the inner bottom of the second aeration scum treatment tank 19 is provided with a second aeration pipe 14, and the side wall of the second aeration scum treatment tank 19 is provided with a first rotary filter component, the interior bottom of first aeration dross processing tank 12 is equipped with first aeration pipe 11, and the lateral wall of first aeration dross processing tank 12 is equipped with the rotatory filter assembly of second, and the below is through liquid outlet 18 intercommunication down between second aeration dross processing tank 19 and the preliminary treatment pond 20, and the top is through liquid outlet 17 intercommunication on the second between first aeration dross processing tank 12 and the second aeration dross processing tank 19, and the top is through first liquid outlet 5 intercommunication on the sewage ecological treatment pond 10 and the first aeration dross processing tank 12.
Sewage passes through even spraying of water distribution network 23 on first detachable filter screen 21, and can dismantle filter screen 22 through first detachable filter screen 21 to the second and realize double filtration, liquid outlet 18 gets into to second aeration dross treatment tank 19 and can dismantle dross come-up through 14 aeration of second aeration pipe under the rethread, dross is salvaged to rethread first rotary filter assembly, liquid outlet 17 gets into in first aeration dross treatment tank 12 and carries out aeration back dross come-up through first aeration pipe 11 on the second, further salvage dross through the rotary filter assembly of second, then realize the abundant effectual processing of sewage after carrying out the multiple layer filtration processing through first last liquid outlet 5 liquid inflow to sewage ecological treatment tank 10.
In this embodiment, the clamping assembly includes a clamping block 33, an inverted convex-shaped groove 28, an interlayer cavity 29, a limiting spring 30 and a limiting rod 31, the clamping block 33 is respectively installed below the first detachable filter screen 21 and the second detachable filter screen 22, the inverted convex-shaped groove 28 is arranged in the clamping block 33, the side portion of the inverted convex-shaped groove 28 is provided with the interlayer cavity 29, the end portion in the interlayer cavity 29 is provided with the limiting spring 30, and the other end of the limiting spring 30 is provided with the limiting rod 31.
In this embodiment, the clamping plates 27 are installed on two sides of the bottom of the first detachable filter screen 21 and two sides of the bottom of the second detachable filter screen 22, the bottom of the outer side of each clamping plate 27 is provided with a jack 32, the limiting rod 31 is clamped with the jack 32 to be matched, and the clamping plates 27 are inserted into the inverted-convex grooves 28 to be matched.
In this embodiment, the first rotary filter assembly includes a second rotary rod 16, a first connection arm and a second rotary filter plate 15, the second rotary rod 16 is installed on the inner side wall of the second aeration-scum treating tank 19, the first connection arm is installed at the middle portion of the outer side of the second rotary rod 16, and the second rotary filter plate 15 is installed at the end of the first connection arm far away from the second rotary rod 16.
In this embodiment, the second rotary filter assembly comprises a first rotary filter plate 2, a first rotating rod 3 and a second connecting arm, the first rotating rod 3 is arranged on the inner side wall of the first aeration scum treatment tank 12, the middle part of the outer side of the first rotating rod 3 is provided with the second connecting arm, and the first rotary filter plate 2 is arranged at one end of the second connecting arm far away from the first rotating rod 3.
In the embodiment, a soil layer 4, a matrix layer 6, a transition layer 7, a gravel layer 8 and a sponge supporting net layer 9 are distributed on the inner side of the sewage ecological treatment tank 10 from the upper right to the lower right.
In the present embodiment, the driving motor 24 is connected to both the end of the first rotating rod 3 located outside the artificial wetland system 1 and the end of the second rotating rod 16 located outside the artificial wetland system 1.
In this embodiment, a sewage communicating pipe 25 is installed on the top of the water distribution pipe network 23, and the sewage communicating pipe 25 is connected with a sewage pump, the bottom of the first aeration pipe 11 and the bottom of the second aeration pipe 14 are both communicated with an aeration connecting pipe 13, and the aeration connecting pipe 13 is connected with an air intake pump.
In this embodiment, the bottom of the water distribution network 23 is provided with blow-down nozzles 26 at equal intervals along the circumference of the water distribution network 23.
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.
Claims (9)
1. The utility model provides an artificial wetland system for river regulation engineering which characterized in that: comprises an artificial wetland system (1), wherein the artificial wetland system (1) comprises a sewage ecological treatment tank (10), a first aeration scum treatment tank (12), a second aeration scum treatment tank (19) and a pretreatment tank (20), the sewage filtering sequence is from the pretreatment tank (20), the second aeration scum treatment tank (19), the first aeration scum treatment tank (12) and the sewage ecological treatment tank (10) are sequentially arranged, the inner side of the pretreatment tank (20) is provided with a first detachable filter screen (21) and a second detachable filter screen (22) respectively and a clamping component which is matched with the first detachable filter screen (21) and the second detachable filter screen (22), the top of the pretreatment tank (20) is provided with a cloth water pipe net (23) with a concentric ring pipe structure, the bottom of the second scum treatment tank (19) is provided with a second aeration pipe (14), just the lateral wall of second aeration dross processing tank (19) is equipped with first rotary filter assembly, the interior bottom of first aeration dross processing tank (12) is equipped with first aeration pipe (11), just the lateral wall of first aeration dross processing tank (12) is equipped with the rotary filter assembly of second, second aeration dross processing tank (19) with liquid outlet (18) intercommunication under passing between preliminary treatment pond (20), first aeration dross processing tank (12) with liquid outlet (17) intercommunication is gone up through the second in the top between second aeration dross processing tank (19), sewage ecological treatment pond (10) with liquid outlet (5) intercommunication is gone up through in the top between first aeration dross processing tank (12).
2. The constructed wetland system for river regulation engineering of claim 1, wherein: the screens subassembly includes fixture block (33), inverted-convex type groove (28), interlayer chamber (29), spacing spring (30) and gag lever post (31), fixture block (33) are installed respectively first can dismantle the below that filter screen (22) can be dismantled with the second, inverted-convex type groove (28) are seted up in fixture block (33), inverted-convex type groove (28) lateral part is equipped with interlayer chamber (29), tip is equipped with spacing spring (30) in interlayer chamber (29), just the other end of spacing spring (30) is equipped with gag lever post (31).
3. The constructed wetland system for river regulation engineering of claim 2, wherein: cardboard (27) are all installed to the bottom both sides that first can dismantle filter screen (21) with the bottom both sides that filter screen (22) can be dismantled to the second, just cardboard (27) outside bottom is equipped with jack (32), gag lever post (31) with the cooperation is established to jack (32) card, cardboard (27) with the cooperation is inserted in oblongate groove (28).
4. The constructed wetland system for river regulation engineering of claim 1, wherein: first rotatory filtering component includes second bull stick (16), first connecting arm and the rotatory filter (15) of second, second bull stick (16) are installed the inside wall of second aeration dross treatment tank (19), the mid-mounting in second bull stick (16) outside has first connecting arm, first connecting arm is kept away from the one end of second bull stick (16) is installed the rotatory filter (15) of second.
5. The constructed wetland system for river regulation engineering of claim 1, wherein: the second rotary filtering component comprises a first rotary filtering plate (2), a first rotating rod (3) and a second connecting arm, the first rotating rod (3) is installed on the inner side wall of the first aeration scum treatment pool (12), the middle of the outer side of the first rotating rod (3) is provided with the second connecting arm, and the second connecting arm is far away from one end of the first rotating rod (3) and is installed on the first rotary filtering plate (2).
6. The constructed wetland system for river regulation engineering of claim 1, wherein: a soil layer (4), a matrix layer (6), a transition layer (7), a gravel layer (8) and a sponge supporting net layer (9) are distributed from the upper right to the lower inside of the sewage ecological treatment pool (10).
7. The constructed wetland system for river regulation engineering of claim 4 or 5, wherein: one end of the first rotating rod (3) positioned at the outer side of the artificial wetland system (1) and one end of the second rotating rod (16) positioned at the outer side of the artificial wetland system (1) are both connected with a driving motor (24).
8. The constructed wetland system for river regulation engineering of claim 1, wherein: the sewage treatment device is characterized in that a sewage communicating pipe (25) is installed at the top of the water distribution pipe network (23), the sewage communicating pipe (25) is connected with a sewage pump, the bottoms of the first aeration pipe (11) and the second aeration pipe (14) are communicated with an aeration connecting pipe (13), and the aeration connecting pipe (13) is connected with an air inlet pump.
9. The constructed wetland system for river regulation engineering of claim 1, wherein: and the bottom of the water distribution pipe net (23) is provided with sewage discharge nozzles (26) at equal intervals along the circumferential direction of the water distribution pipe net (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812437.0A CN111908721A (en) | 2020-08-13 | 2020-08-13 | Artificial wetland system for river channel treatment engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812437.0A CN111908721A (en) | 2020-08-13 | 2020-08-13 | Artificial wetland system for river channel treatment engineering |
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| Publication Number | Publication Date |
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| CN111908721A true CN111908721A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010812437.0A Pending CN111908721A (en) | 2020-08-13 | 2020-08-13 | Artificial wetland system for river channel treatment engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979057A (en) * | 2021-02-03 | 2021-06-18 | 深圳市信力坚环保科技有限公司 | Modularized rainwater storage and ecological anaerobic filler purification device |
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| CN108947014A (en) * | 2018-08-07 | 2018-12-07 | 广东科创工程技术有限公司 | Nanometer air bearing inclined tube or sloping plate deposition integral pool after a kind of coagulation |
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2020
- 2020-08-13 CN CN202010812437.0A patent/CN111908721A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495112U (en) * | 2009-07-30 | 2010-06-02 | 江苏八达科技有限公司 | Lower-layer floatation scum scraping-and-discharging device |
| CN201873573U (en) * | 2010-11-05 | 2011-06-22 | 刘云根 | Micro-nanometer air floating vertical underflow type constructed wetlands sewage treatment device |
| CN204689719U (en) * | 2015-06-05 | 2015-10-07 | 福建亿兆自动化设备有限公司 | A kind of Novel draining device |
| CN107185795A (en) * | 2017-05-19 | 2017-09-22 | 新乡市振英机械设备有限公司 | A kind of shaking screen with scum silica frost self-cleaning function |
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| CN207741203U (en) * | 2017-11-27 | 2018-08-17 | 扬州天泓科技实业有限公司 | A kind of air cleaning removes pathogen filter device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979057A (en) * | 2021-02-03 | 2021-06-18 | 深圳市信力坚环保科技有限公司 | Modularized rainwater storage and ecological anaerobic filler purification device |
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Application publication date: 20201110 |