CN114349153A - Cooperative combined small sewage and wastewater treatment device - Google Patents
Cooperative combined small sewage and wastewater treatment device Download PDFInfo
- Publication number
- CN114349153A CN114349153A CN202111539424.1A CN202111539424A CN114349153A CN 114349153 A CN114349153 A CN 114349153A CN 202111539424 A CN202111539424 A CN 202111539424A CN 114349153 A CN114349153 A CN 114349153A
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- box body
- sewage
- box
- bearing plates
- treatment device
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- 239000010865 sewage Substances 0.000 title claims abstract description 74
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 20
- 230000002301 combined effect Effects 0.000 claims abstract 2
- 238000005273 aeration Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 31
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011221 initial treatment Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a small sewage and wastewater treatment device with cooperative combined effect, which comprises a first box body, a second box body and a third box body, wherein the tops of the first box body, the second box body and the third box body are respectively provided with a plurality of through holes, the second box body is positioned between the first box body and the third box body, a plurality of first bearing plates and a plurality of second bearing plates are respectively arranged in the first box body, the second box body and the third box body, the first box body, the second box body and the third box body are respectively filled with filler, side baffles are respectively fixed at the rear ends of the first box body, the second box body and the third box body, water outlet holes are formed in the side baffles, and a plurality of biological membranes are arranged on one side of each side baffle. The problem of current sewage treatment plant often because filler and sewage can not fully contact to the processing of sewage to and only carry out primary treatment to sewage, lead to the treatment effect of sewage not good, can not realize a plurality of devices simultaneous processing simultaneously, lead to sewage treatment efficiency lower scheduling is solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a cooperative combined small sewage and wastewater treatment device.
Background
The water pollution treatment is a hot topic in the society nowadays, for example, sewage and wastewater in rural farms and rainwater runoff cause water quality pollution in water source areas, wherein the artificial wetland restoration technology is a more technical means. However, the conventional artificial wetland technology has the defects of large floor area, easy gas accumulation, damage to plant roots and the like, and the artificial wetland technology including the vertical flow artificial wetland has great advantages, but has obvious defects, such as large floor area, gas accumulation, difficult maintenance and the like.
The existing sewage treatment device is often poor in sewage treatment effect due to the fact that filler and sewage cannot be in full contact and only once sewage treatment is conducted, and meanwhile, a plurality of devices cannot be simultaneously treated, and sewage treatment efficiency is low.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide a small sewage and wastewater treatment device with cooperative combined action.
The technical problems to be solved by the invention are as follows:
the existing sewage treatment device is often poor in sewage treatment effect due to the fact that filler and sewage cannot be in full contact and only once sewage treatment is conducted, and meanwhile, a plurality of devices cannot be simultaneously treated, and sewage treatment efficiency is low.
The purpose of the invention can be realized by the following technical scheme:
the small sewage and wastewater treatment device comprises a first box body, a second box body and a third box body, wherein a plurality of through holes are formed in the tops of the first box body, the second box body and the third box body, the second box body is positioned between the first box body and the third box body, a plurality of first bearing plates and a plurality of second bearing plates are arranged in the first box body, the second box body and the third box body respectively, the first bearing plates and the second bearing plates are alternately arranged from top to bottom, the first bearing plates and the second bearing plates are obliquely arranged, the oblique gradient is thousandths, openings are formed in the lower ends of the first bearing plates and the second bearing plates, the lower ends of the first bearing plates and the higher ends of the second bearing plates are positioned on the same side, fillers are filled in the first box body, the second box body and the third box body respectively, and side baffles are fixed at the rear ends of the first box body, the second box body and the third box body, the side baffle is provided with a water outlet hole, and one side of the side baffle is provided with a plurality of biological films.
Furthermore, the top of first box is fixed with the breather pipe, and the top of breather pipe is curved and port internally mounted has the fly net, and the front end top of first box is fixed with keeps off the native board.
Furthermore, the top end of one side of the first box body, which is far away from the second box body, is provided with a front water inlet pipe, and the top ends of one side of the first box body and one side of the second box body, which are close to the third box body, are provided with front water outlet pipes.
Furthermore, a rear water inlet pipe is arranged at the top end of one side, close to the first box body, of the second box body and the top end of one side, far away from the second box body, of the third box body, a rear water outlet pipe is arranged at the top end of one side, far away from the second box body, of the third box body, and a flap valve is arranged on the rear water outlet pipe.
Furthermore, the preposed water outlet pipe of the first box body is connected with the postposition water inlet pipe of the second box body, the preposed water outlet pipe of the second box body is connected with the postposition water inlet pipe of the third box body, and the preposed water outlet pipe and the postposition water inlet pipe are both provided with flexible joints.
Furthermore, the top of one side that second box and third box are close to first box all is equipped with the connecting plate, and the connecting plate is located the top of rearmounted inlet tube, and the connecting plate passes through hinge joint on second box and third box, and first box and second box all are provided with the spread groove of connecting plate looks adaptation.
Furthermore, the bottom ends of the first box body, the second box body and the third box body are all provided with aeration pipes in a penetrating mode, and the rear side of the bottom end of the third box body is provided with an aeration outlet pipe.
Furthermore, the end parts of the first box body, the second box body and the third box body are all provided with opening and closing doors, and grooves are formed in the opening and closing doors.
The invention has the beneficial effects that:
the invention has the characteristics of simple and convenient installation, labor-saving, high pollutant removal efficiency, small occupied area, full contact reaction, no gas accumulation and the like.
All set up in the filler through first loading board and second loading board, first loading board and second loading board top-down set up in turn, first loading board and second loading board all are the slope setting, the trompil has all been seted up to the lower one end of first loading board and second loading board, the lower end of first loading board is located same one side with the higher end of second loading board, make the sewage that flows in from the through-hole flow on first loading board and second loading board in proper order, and flow downwards through the trompil, make the interior filler of sewage full contact box, very big improvement the treatment effect of sewage.
The flexible joints are arranged on the front water outlet pipe and the rear water inlet pipe, so that the connection of water pipes is facilitated, the first box body, the second box body and the third box body are connected, the number of the second box body and the number of the third box body are set according to the amount of sewage to be treated, the second box body and the third box body are connected with the first box body, sewage is efficiently treated, and the sewage treatment time is saved.
The biomembrane is used for carrying out purification treatment to sewage, through setting up filler and biomembrane, carries out dual treatment to sewage, can carry out abundant purification treatment to sewage, has guaranteed sewage treatment's high efficiency.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic structural view of a cooperative combination small sewage and wastewater treatment plant according to the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a layout view of the first carrier plate and the second carrier plate according to the present invention.
In the figure: 1. a first case; 2. a second case; 3. a third box body; 4. an insect-proof net; 5. a breather pipe; 6. a soil guard plate; 7. a front water inlet pipe; 8. a first bearing plate; 9. a second carrier plate; 10. an aeration pipe; 11. a filler; 12. a side dam; 13. a connecting plate; 14. a front water outlet pipe; 15. a biofilm; 16. a water inlet pipe is arranged at the rear part; 17. a water outlet pipe is arranged at the rear part; 18. an aeration outlet pipe; 19. the door is opened and closed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the small sewage and wastewater treatment device comprises a first box body 1, a second box body 2 and a third box body 3, wherein the number of the second box body 2 and the third box body 3 can be a plurality, the length, width and height of the first box body 1, the second box body 2 and the third box body 3 are respectively 1200mm, 1200mm and 1000mm, the tops of the first box body 1, the second box body 2 and the third box body 3 are respectively provided with a plurality of through holes, the second box body 2 is positioned between the first box body 1 and the third box body 3, the top of the first box body 1 is fixedly provided with a vent pipe 5, the vent pipe 5 adopts a DN50 corrosion-resistant polyethylene plastic pipe, the height is 1200mm, the top end of the vent pipe 5 is bent, an insect-proof net 4 is arranged in a port, the aperture of the insect-proof net 4 is 18 meshes and is made of steel, and the top of the front end of the first box body 1 is fixedly provided with a soil retaining plate 6;
a plurality of first bearing plates 8 and second bearing plates 9 are respectively arranged in the first box body 1, the second box body 2 and the third box body 3, fillers 11 are respectively filled in the first box body 1, the second box body 2 and the third box body 3, the fillers 11 are zeolite, limestone and columnar carbon, the fillers are filled in the device according to the required proportion of the content of nitrogen and phosphorus in sewage, the first bearing plates 8 and the second bearing plates 9 are respectively arranged in the fillers 11, the first bearing plates 8 and the second bearing plates 9 are alternately arranged from top to bottom, the first bearing plates 8 and the second bearing plates 9 are obliquely arranged, the oblique gradient is 5 per thousand, the lower ends of the first bearing plates 8 and the second bearing plates 9 are respectively provided with an opening, the aperture of the opening is 2mm, and the lower ends of the first bearing plates 8 and the higher ends of the second bearing plates 9 are positioned on the same side; through such setting for the sewage that flows in from the through-hole flows on first loading board 8 and second loading board 9 in proper order, and through trompil downflow, makes sewage fully contact the filler 11 in the box, very big improvement the treatment effect of sewage.
One side top that second box 2 was kept away from to first box 1 is equipped with leading inlet tube 7, leading inlet tube 7 embedding is in the preformed hole that first box 1 reserved, the aperture of preformed hole is 89mm, one side top that first box 1 and second box 2 are close to third box 3 all is equipped with leading outlet pipe 14, one side top that second box 2 and third box 3 are close to first box 1 is equipped with rearmounted inlet tube 16, one side top that second box 2 was kept away from to third box 3 is equipped with rearmounted outlet pipe 17, install the bat door on the rearmounted outlet pipe 17, be used for carrying out the control of opening and shutting to rearmounted outlet pipe 17, rearmounted outlet pipe 17 is used for discharging the sewage that obtains the processing.
The prepositive water outlet pipe 14 of the first box body 1 is connected with the postpositive water inlet pipe 16 of the second box body 2, the prepositive water outlet pipe 14 of the second box body 2 is connected with the postpositive water inlet pipe 16 of the third box body 3, the prepositive water outlet pipe 14 and the postpositive water inlet pipe 16 are both provided with flexible joints, the connection of a water pipe is convenient, through the arrangement, the first box body 1, the second box body 2 and the third box body 3 are connected, the number of the second box body 2 and the third box body 3 can be set according to the sewage amount to be treated, a plurality of the second box body 2 and the third box body 3 are connected with the first box body 1, the sewage is efficiently treated, and the sewage treatment time is saved.
One side top that second box 2 and third box 3 are close to first box 1 all is equipped with connecting plate 13, and connecting plate 13 is located the top of rearmounted inlet tube 16, and connecting plate 13 passes through hinge joint on second box 2 and third box 3, and first box 1 and second box 2 all are provided with the spread groove with connecting plate 13 looks adaptation, are connected between with the box through connecting plate 13 and spread groove.
The rear end of first box 1, second box 2 and third box 3 all is fixed with side shield 12, has seted up the apopore on the side shield 12 for the circulation of sewage, one side of side shield 12 is provided with a plurality of biomembranes 15, and biomembrane 15 is 9 generally, and biomembrane 15 is used for carrying out purification treatment to sewage, through setting up filler 11 and biomembrane 15, can carry out abundant purification treatment to sewage, has guaranteed sewage treatment's high efficiency.
The bottom ends of the first box body 1, the second box body 2 and the third box body 3 are all provided with aeration pipes 10 in a penetrating way, and the rear side of the bottom end of the third box body 3 is provided with an aeration eduction pipe 18. The aeration pipe 10 is arranged to aerate the sewage when necessary, so as to increase the oxygen content in the sewage.
The opening and closing door 19 is all installed to the tip of first box 1, second box 2 and third box 3, sets up the recess on the opening and closing door 19, can stimulate opening and closing door 19 and realize opening and shutting.
After the first box body 1, the second box body 2 and the third box body 3 are installed, a 50mm gravel and fine sand mixing layer can be covered on the device, and a 500mm soil layer is covered for planting plants, so that the sewage treatment effect is further improved.
The working principle is as follows:
when the device is used, the number of the second box bodies 2 and the third box bodies 3 is required according to the amount of sewage to be treated, the first box body 1, the second box body 2 and the third box body 3 are sequentially arranged, the front water outlet pipe 14 of the first box body 1 is connected with the rear water inlet pipe 16 of the second box body 2 through the flexible joint, the front water outlet pipe 14 of the second box body 2 is connected with the rear water inlet pipe 16 of the third box body 3, the first box body 1, the second box body 2 and the third box body 3 are connected through the connecting plate 13 and the connecting groove, after the first box body 1, the second box body 2 and the third box body 3 are completely installed, a 50mm gravel and fine sand mixed layer covers the top surface of the box bodies, and a 500mm soil layer covers the box body for planting plants, so that the sewage treatment effect is further improved;
let in sewage in the device through leading inlet tube 7, and flow on first loading board 8 and the second loading board 9 in first box 1 in proper order, and flow downwards through the trompil, guarantee that sewage flows through all fillers 11 in the device, make the filler 11 in the sewage fully contact box, very big improvement the treatment effect of sewage, part impurity is absorbed by filler 11 in the sewage, sewage flows to a plurality of layers of biomembranes 15 through the apopore on the side shield 12 simultaneously, carry out further purification to sewage, through setting up filler 11 and biomembrane 15, can carry out abundant purification treatment to sewage, sewage treatment's high efficiency has been guaranteed.
When the sewage amount is large, the sewage flows to the rear water inlet pipe 16 of the next box body from the front water outlet pipe 14 and enters the next box body to perform component treatment on the sewage, and the sewage treatment efficiency is ensured.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A small sewage and wastewater treatment device with cooperative combined effect comprises a first box body (1), a second box body (2) and a third box body (3), wherein the tops of the first box body (1), the second box body (2) and the third box body (3) are respectively provided with a plurality of through holes, the second box body (2) is positioned between the first box body (1) and the third box body (3), the device is characterized in that the first box body (1), the second box body (2) and the third box body (3) are respectively provided with a plurality of first bearing plates (8) and second bearing plates (9), the first bearing plates (8) and the second bearing plates (9) are alternately arranged from top to bottom, the first bearing plates (8) and the second bearing plates (9) are obliquely arranged, the lower ends of the first bearing plates (8) and the second bearing plates (9) are respectively provided with an opening, the lower end of the first bearing plates (8) and the higher end of the second bearing plates (9) are positioned on the same side, all pack in first box (1), second box (2) and third box (3) and have filler (11), the rear end of first box (1), second box (2) and third box (3) all is fixed with side shield (12), has seted up the apopore on side shield (12), and one side of side shield (12) is provided with a plurality of biomembranes (15).
2. The small-sized sewage and wastewater treatment device with cooperative combined action according to claim 1, wherein the top of the first box body (1) is fixed with a vent pipe (5), the top end of the vent pipe (5) is bent, an insect-proof net (4) is arranged in the port, and the top of the front end of the first box body (1) is fixed with a soil retaining plate (6).
3. The small-sized sewage and wastewater treatment device with cooperative combined action according to claim 1, wherein the top end of one side of the first box body (1) far away from the second box body (2) is provided with a preposed water inlet pipe (7), and the top ends of one sides of the first box body (1) and the second box body (2) near the third box body (3) are provided with preposed water outlet pipes (14).
4. The small sewage and wastewater treatment device with cooperative combined action according to claim 1, wherein the top end of one side of the second box body (2) and the third box body (3) close to the first box body (1) is provided with a post-positioned water inlet pipe (16), the top end of one side of the third box body (3) far away from the second box body (2) is provided with a post-positioned water outlet pipe (17), and the post-positioned water outlet pipe (17) is provided with a flap valve.
5. The small-sized sewage and wastewater treatment device with cooperative combined action according to claim 4, wherein the front water outlet pipe (14) of the first box body (1) is connected with the rear water inlet pipe (16) of the second box body (2), the front water outlet pipe (14) of the second box body (2) is connected with the rear water inlet pipe (16) of the third box body (3), and flexible joints are arranged on the front water outlet pipe (14) and the rear water inlet pipe (16).
6. The small sewage and wastewater treatment device with combined action in a coordinated mode according to claim 5, wherein the top ends of the sides, close to the first box body (1), of the second box body (2) and the third box body (3) are respectively provided with a connecting plate (13), the connecting plates (13) are positioned above the rear water inlet pipe (16), the connecting plates (13) are connected to the second box body (2) and the third box body (3) through hinges, and the first box body (1) and the second box body (2) are respectively provided with a connecting groove matched with the connecting plates (13).
7. The small-sized sewage and wastewater treatment device with combined action according to claim 1, wherein the bottom ends of the first tank (1), the second tank (2) and the third tank (3) are all provided with aeration pipes (10) in a penetrating way, and the rear side of the bottom end of the third tank (3) is provided with an aeration outlet pipe (18).
8. The small sewage and wastewater treatment device with cooperative combined action according to claim 1, wherein the ends of the first box body (1), the second box body (2) and the third box body (3) are all provided with an opening and closing door (19), and the opening and closing door (19) is provided with a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539424.1A CN114349153A (en) | 2021-12-15 | 2021-12-15 | Cooperative combined small sewage and wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539424.1A CN114349153A (en) | 2021-12-15 | 2021-12-15 | Cooperative combined small sewage and wastewater treatment device |
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| Publication Number | Publication Date |
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| CN114349153A true CN114349153A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111539424.1A Pending CN114349153A (en) | 2021-12-15 | 2021-12-15 | Cooperative combined small sewage and wastewater treatment device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242080A (en) * | 2014-12-23 | 2016-12-21 | 蒋红娟 | A kind of sewage disposal device |
| CN108689494A (en) * | 2018-07-13 | 2018-10-23 | 北京海斯顿水处理设备有限公司 | A kind of biomembrane reaction of high order equipment |
| CN209082846U (en) * | 2018-10-23 | 2019-07-09 | 广东城基生态科技股份有限公司 | A kind of garden architecture object roof rain collector |
| CN110117134A (en) * | 2019-05-17 | 2019-08-13 | 成都工业学院 | A kind of rural domestic sewage treatment process |
| CN110950431A (en) * | 2019-11-18 | 2020-04-03 | 深圳市慧创源环保科技有限公司 | Sewage treatment device |
-
2021
- 2021-12-15 CN CN202111539424.1A patent/CN114349153A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242080A (en) * | 2014-12-23 | 2016-12-21 | 蒋红娟 | A kind of sewage disposal device |
| CN108689494A (en) * | 2018-07-13 | 2018-10-23 | 北京海斯顿水处理设备有限公司 | A kind of biomembrane reaction of high order equipment |
| CN209082846U (en) * | 2018-10-23 | 2019-07-09 | 广东城基生态科技股份有限公司 | A kind of garden architecture object roof rain collector |
| CN110117134A (en) * | 2019-05-17 | 2019-08-13 | 成都工业学院 | A kind of rural domestic sewage treatment process |
| CN110950431A (en) * | 2019-11-18 | 2020-04-03 | 深圳市慧创源环保科技有限公司 | Sewage treatment device |
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Application publication date: 20220415 |
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