CN210117280U - Floating plate type biological membrane system for river channel treatment - Google Patents
Floating plate type biological membrane system for river channel treatment Download PDFInfo
- Publication number
- CN210117280U CN210117280U CN201920432806.6U CN201920432806U CN210117280U CN 210117280 U CN210117280 U CN 210117280U CN 201920432806 U CN201920432806 U CN 201920432806U CN 210117280 U CN210117280 U CN 210117280U
- Authority
- CN
- China
- Prior art keywords
- floating plate
- biological membrane
- river
- biofilm
- hollow fiber
- 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.)
- Active
Links
Images
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a floating plate type biomembrane system for river treatment, which comprises a floating plate and at least one biomembrane component detachably arranged on the floating plate; the biological membrane component comprises a frame body with an opening in the middle and a biological membrane fixed at the opening of the frame body; the biological membrane comprises a hollow fiber tube grid layer formed by weaving, a thermal bonding adhesive layer is sprayed on the hollow fiber tube grid layer, and a micro-nano fiber membrane is bonded on the thermal bonding adhesive layer. The utility model discloses a kickboard formula biofilm system for river course is administered, simple structure, it is nimble convenient to the improvement of river course, and need not extra aeration oxygenation.
Description
Technical Field
The utility model relates to a biomembrane technical field, concretely relates to a kickboard formula biomembrane system for river course is administered.
Background
At present, the current situation of river pollution and eye surprise in China cause that water shortage and accidents caused by pollution continuously occur, so that the factory is stopped, the agricultural yield is reduced, and even the factory is completely harvested. The treatment of river channels is already slow. In the river course treatment process, the most common and most important mode is ecological treatment by aeration reoxygenation, dissolved oxygen in a water body is improved mainly by aeration, according to the characteristics of microorganisms, organic pollutants are degraded into biochemically harmless carbon dioxide, water and microorganism cells, ammonia nitrogen generates nitrate nitrogen in an aerobic process, then nitrogen is generated in an anoxic and anaerobic environment, phosphorus in the water body is taken as an essential element of a synthetic cell to participate in the synthesis and energy metabolism of the cell and is enriched in the cell, and a sulfur-containing compound generates sulfate radicals, so that the pollutant is removed. The formed biological sludge can fall off and be taken away by water or be sent to a solid waste treatment area through manual cleaning. In the river treatment process, as the water body flows, formed microorganisms for removing pollutants can be continuously formed along with the flow of the water body, but the process is also influenced by other environments, such as pollution degree, water flow velocity, temperature and the like, and simultaneously generated adaptive microorganisms can be continuously taken away along with the flow of the water body, so that the microorganisms are easily interfered in the treatment process and the treatment stability is poor.
The biofilm process (contact oxidation process) means that a large number of microorganisms (aerobic bacteria, anaerobic bacteria, facultative bacteria, fungi, protozoa, algae and the like) are attached to the surface of a medium filter material to form a biofilm, and after sewage is contacted with the biofilm, the microorganisms in the biofilm take organic pollutants in the sewage as nutrient substances, degrade organic matters in the metabolic process, and simultaneously proliferate the microorganisms to purify the sewage. Wherein, the inert carrier for providing the attachment growth of the microorganism is called as a filter material or a filler. The biofilm method has some special advantages, such as no sludge backflow, easy operation management, no sludge bulking problem, easy microorganism survival, stable operation and the like. Therefore, the technology of water treatment by using the biofilm reactor is certainly applied widely.
Under the condition of increasingly serious river pollution at present, research and application of a biological membrane technology in river treatment are highly regarded.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a kickboard formula biofilm system for river course is administered, this biofilm system simple structure, it is nimble convenient to the administration of river course, and need not extra aeration oxygenation.
In order to solve the technical problem, the utility model provides a floating plate type biomembrane system for river treatment, which comprises a floating plate and at least one biomembrane component detachably arranged on the floating plate;
the biological membrane component comprises a frame body with an opening in the middle and a biological membrane fixed at the opening of the frame body; the biological membrane comprises a hollow fiber tube grid layer formed by weaving, a thermal bonding adhesive layer is sprayed on the hollow fiber tube grid layer, and a micro-nano fiber membrane is bonded on the thermal bonding adhesive layer.
The utility model discloses in, cavity fiber pipe network layer is by the hollow fiber pipe network structure of establishment formation, and its tensile strength is high, as the bearing structure of micro-nano fiber membrane, can promote the mechanical properties of biomembrane greatly, can bear impact, the oppression effect of rivers for a long time. The hollow fiber tubes include, but are not limited to, polyvinylidene fluoride (PVDF) fiber tubes, Polyacrylonitrile (PAN) fiber tubes.
The utility model discloses in, micro-nanofiber membrane has very high specific surface area and good biocompatibility, and the nutrient substance in the water can be held back again to micro-nanofiber membrane simultaneously to build relatively stable microenvironment on the membrane surface, provide superior place for the adhesion growth of microorganism in the water, promoted the self-purification ability of the ecological structure recovery water of the rapid propagation of water microorganism through resumeing the water body. And self-purification of the water body is achieved through the self-purification function of the water body, benign coordinated development of the water body and an ecological system in the water body is achieved, and the water quality of the river channel is fundamentally promoted to be purified and improved. Preferably, the thickness of the micro-nanofiber membrane is 0.5-5 mm.
The utility model discloses in, heating cavity fiber tube network layer for the heat bonding glue film on surface melts, can firmly glue micro-nanofiber membrane. The thermal bonding glue layer can be heated and melted for many times, so that the micro-nano fiber membrane is convenient to replace. Preferably, the thermal adhesive layer is formed by spraying polyurethane, polyethylene, polypropylene, polyvinylidene fluoride, polyurethane or acrylic resin on the hollow fiber tube mesh layer.
The utility model discloses in, the porosity of hollow fiber pipe network layer and micro-nanofiber membrane can be up to more than 90%, greatly reduced the resistance of oxygen mass transfer, and dissolved oxygen in the water can smoothly pass through hollow fiber pipe network layer and micro-nanofiber membrane, for the microorganism oxygen suppliment, has greatly strengthened the oxygenation efficiency in river course, need not extra aeration oxygenation, reduces the energy consumption by a wide margin.
Furthermore, a clamping groove is formed in one side of the floating plate, and a matched elastic clamping piece is arranged on one side, corresponding to the frame body, of the floating plate in a clamping mode.
Furthermore, a protection cage is fixedly arranged below the floating plate, and the biological membrane assembly is accommodated in a cavity formed by the protection cage and the floating plate. The protective cage can intercept the garbage in the water body on one hand and prevent the garbage from covering the surface of the biological membrane on the other hand; on the other hand, the impact force of water flow can be reduced, and the falling of the biological membrane component from the floating plate caused by the impact of the water flow is prevented.
Furthermore, a plurality of light holes are distributed on the floating plate. The existence of the light holes enables the sunlight to penetrate through the floating plate to enter the water body below the floating plate, and the photosynthesis of algae in the water body is promoted, so that the oxygen is supplied to the microorganisms on the surface of the biological membrane, and the efficiency of decomposing organic matters is accelerated.
Furthermore, aquatic plants can be planted on the floating plate, so that on one hand, the oxygen can be added to the water body, on the other hand, the aquatic plants can absorb elements such as phosphorus, nitrogen and the like in the water body, the eutrophication degree of the water body is reduced, and the water body purification effect is achieved.
Further, the floating plate is rectangular or circular. When the floating plate is rectangular, a plurality of biological membrane assemblies can be arranged below the floating plate in parallel; when the floating plate is circular, a plurality of biofilm assemblies may be installed centripetally under the floating plate.
Further, at least one connecting buckle is arranged on the floating plate and used for connecting a plurality of floating plate type biological membrane systems together through ropes, so that a larger area of water body can be covered.
Furthermore, the micro-nanofiber membrane is formed by taking a hollow fiber tube grid layer as a receiver and receiving the electrostatic spinning fibers. The method for electrostatic spinning can be used for rapidly producing the micro-nano fiber membrane in large batch, and the thickness and the porosity of the fiber are controllable, so that the method is beneficial to batch production and reduces the cost.
Further, the micro-nano fibers are degradable hydrophilic fibers. The degradable fiber can be degraded after being used for a period of time, so that secondary pollution to a water body is avoided; and the hydrophilic fibers can promote microorganisms and nutrient substances carried by the water body to enter the micro-nano fiber membrane, so that the attachment growth of the microorganisms in the water body is facilitated. Preferably, the degradable hydrophilic fiber is obtained by composite spinning of polyester and another hydrophilic material, and the degradation products of the polyester are carbon dioxide and water, so that the pollution of a water body is avoided; and the other hydrophilic material can be hydrophilic materials such as carboxymethyl cellulose, chitosan and the like, which can increase the hydrophilicity of the polyester and is easy to degrade.
Further, the framework includes upper ledge and lower frame of mutually supporting, upper ledge and lower frame pass through buckle structure, tenon fourth of the twelve earthly branches structure, mounting or waterproof glue and fix together, press from both sides all around of biomembrane and locate between upper ledge and the lower frame.
When the floating plate type biological membrane system component is used, one or more floating plates can be put in according to the pollution condition of the specific position of a river channel, and when a plurality of floating plates are put in, the plurality of floating plates can be connected together through ropes; according to the condition of water flow, the floating plate can be fixed on a fixed object on the shore or in a river channel through the rope, so that the biofilm system is prevented from flowing away along with the water flow.
The utility model has the advantages that:
1. the floating frame type biomembrane system of the utility model is convenient to use and can be directly put into water; and float on the water surface, convenient to retrieve.
2. The floating frame type biomembrane system of the utility model can connect a plurality of floating plates together through ropes, thereby covering a large area of water; the floating plate can be fixed on a fixed object on the shore or in a river channel through the ropes, so that the biological membrane system is prevented from flowing away along with water.
3. The floating frame type biomembrane system of the utility model does not need extra aeration and oxygenation, thereby greatly reducing the energy consumption; and the microorganisms form a biological community on the surface of the membrane, the self-purification capacity of the water body is recovered, and the efficiency of water body purification is accelerated.
Drawings
Fig. 1 is a schematic structural view of a floating plate type biofilm system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the frame of FIG. 1;
FIG. 3 is a schematic structural view of the biofilm of FIG. 1;
the reference numbers in the figures illustrate: 100. a floating plate; 110. a light-transmitting hole; 120. connecting a hasp; 200. a frame body; 210. putting the frame on; 220. a lower frame; 230. a screw hole; 240. saw teeth; 300. a biofilm; 310. a hollow fiber tube mesh layer; 320. a thermal adhesive layer; 330. micro-nano fiber membrane.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-2, an embodiment of a floating plate biofilm system for river regulation of the present invention includes a floating plate 100 and a plurality of biofilm assemblies detachably mounted on the floating plate 100; the biological membrane component comprises a frame body 200 with an opening in the middle and a biological membrane 300 fixed at the opening of the frame body 200; the biological membrane 300 comprises a hollow fiber tube grid layer 310 formed by weaving, a thermal bonding adhesive layer 320 is sprayed on the hollow fiber tube grid layer 310, and a micro-nano fiber membrane 330 is bonded on the thermal bonding adhesive layer 320.
Specifically, referring to fig. 1, the floating plate 100 has a rectangular shape, and a plurality of biofilm assemblies are installed in parallel below the floating plate 100. In other embodiments, the float plate 100 may be circular or other shapes. When the floating plate 100 has a circular shape, a plurality of biofilm assemblies may be installed centripetally under the floating plate 100. The floating plate 100 may be made of wood, plastic or foam, so that it can float on the water.
The clamping groove is formed in the lower side of the floating plate 100, and the top side of the frame body 200 is provided with a matched elastic clamping piece, so that the floating plate 100 can be clamped and installed below the floating plate. And the clamping fixing mode is adopted, so that the installation and the disassembly of the biological membrane component are convenient. In other embodiments, the fixing can be realized by adopting tenon-and-mortise structures, fixing pieces and the like. The biological membrane component and the floating plate 100 can be vertically fixed or obliquely fixed. In one embodiment, the biofilm assembly can rotate within an angle relative to the float plate 100, which has the advantages of: when the impact force of water flow is large, the biological membrane component rotates relative to the floating plate 100 to form a certain inclination angle with the floating plate 100, so that the stress of the biological membrane component is reduced, and the biological membrane component is prevented from being damaged; when the impact force of water flow is small, the biological membrane component returns to a vertical state due to the action of gravity.
A protective cage is fixedly arranged below the floating plate 100, and the biological membrane assembly is accommodated in a cavity formed by the protective cage and the floating plate 100. The existence of the protective cage can intercept the garbage in the water body on one hand and prevent the garbage from covering the surface of the biological membrane 300; on the other hand, the impact force of water flow can be reduced, and the falling off of the biological membrane component from the floating plate 100 caused by the impact of the water flow can be prevented.
A plurality of light holes 110 are distributed on the floating plate 100, and the existence of the light holes 110 enables sunlight to pass through the floating plate 100 and enter the water body below the floating plate 100, so as to promote photosynthesis of algae in the water body, thereby supplying oxygen to the microorganisms on the surface of the biological membrane 300 and accelerating the efficiency of decomposing organic matters. In addition, in an embodiment, the floating plate 100 is further planted with aquatic plants, which can perform the function of increasing oxygen in the water body, and the aquatic plants can absorb elements such as phosphorus and nitrogen in the water body to reduce the eutrophication degree of the water body, thereby performing the function of purifying the water body.
The floating plate 100 is provided with a plurality of connecting buckles 120, and a plurality of floating plate 100 type biomembrane systems can be connected together through ropes and the connecting buckles 120, so that a larger area of water body can be covered.
Referring to fig. 2, the frame body 200 includes an upper frame 210 and a lower frame 220 that are engaged with each other, the upper frame 210 and the lower frame 220 may be fixed together by a snap structure, a mortise and tenon structure, a fixing member, or a waterproof adhesive, and the periphery of the bio-film 300 is sandwiched between the upper frame 210 and the lower frame 220. In this embodiment, the four corners of the upper frame 210 and the lower frame 220 are respectively provided with a screw hole 230, and the upper frame 210 and the lower frame 220 can be fixed together by screws or bolts. The bio-film 300 is slightly larger than the opening in the middle of the frame 200, and thus can be sandwiched between the upper frame 210 and the lower frame 220. Preferably, the openings of the upper frame 210 and the lower frame 220 are formed with the serrations 240 engaged with each other to better grip the biofilm 300.
The utility model discloses in, hollow fiber pipe network layer 310 is by the hollow fiber pipe network structure of formation through the establishment, and its tensile strength is high, as micro-nano fiber membrane 330's bearing structure, can promote biomembrane 300's mechanical properties greatly, can bear impact, the oppression effect of rivers for a long time. The hollow fiber tube includes, but is not limited to, polyvinylidene fluoride (PVDF) fiber tube, Polyacrylonitrile (PAN) fiber tube.
The utility model discloses in, micro-nano fiber membrane 330 has very high specific surface area and good biocompatibility, and micro-nano fiber membrane 330 can hold back the nutrient substance in the water again simultaneously to build relatively stable microenvironment on the membrane surface, provide superior place for the adhesion growth of microorganism in the water, promoted the self-purification ability of the ecological structure recovery water of the rapid propagation of water microorganism through resumeing the water body. And self-purification of the water body is achieved through the self-purification function of the water body, benign coordinated development of the water body and an ecological system in the water body is achieved, and the water quality of the river channel is fundamentally promoted to be purified and improved. Preferably, the thickness of the micro-nanofiber membrane 330 is 0.5-5 mm. In this embodiment, the micro-nanofiber membrane 330 is formed by receiving electrospun fibers with a hollow fiber tube mesh layer 310 as a receiver. The micro-nano fiber membrane 330 can be produced rapidly in large batch by adopting the electrostatic spinning method, and the thickness and the porosity of the fiber are controllable, so that the mass production is facilitated, and the cost is reduced.
Preferably, the micro-nano fiber is degradable hydrophilic fiber. The degradable fiber can be degraded after being used for a period of time, so that secondary pollution to a water body is avoided; the hydrophilic fibers can promote microorganisms and nutrient substances carried by the water body to enter the micro-nano fiber membrane 330, and are beneficial to the attached growth of the microorganisms in the water body. Preferably, the degradable hydrophilic fiber is obtained by composite spinning of polyester and another hydrophilic material, and the degradation products of the polyester are carbon dioxide and water, so that the pollution of a water body is avoided; and the other hydrophilic material can be hydrophilic materials such as carboxymethyl cellulose, chitosan and the like, which can increase the hydrophilicity of the polyester and is easy to degrade.
The utility model discloses in, heating hollow fiber tube mesh layer 310 for the heat bonding glue film 320 on surface melts, can firmly glue micro-nanofiber membrane 330. The thermal adhesive layer 320 can be heated and melted for multiple times, so that the micro-nanofiber membrane 330 can be replaced conveniently. Preferably, the thermal adhesive layer 320 is formed by spraying polyurethane, polyethylene, polypropylene, polyvinylidene fluoride, polyurethane, or acrylic resin on the hollow fiber mesh layer 310.
The utility model discloses in, the porosity of hollow fiber pipe grid layer 310 and micro-nano fiber membrane 330 can be up to more than 90%, greatly reduced the resistance of oxygen mass transfer, dissolved oxygen in the water can smoothly pass through hollow fiber pipe grid layer 310 and micro-nano fiber membrane 330, for the microorganism oxygen suppliment, has greatly strengthened the oxygenation efficiency in river course, need not extra aeration oxygenation, reduces the energy consumption by a wide margin.
When the floating plate type biomembrane system of the embodiment is used, one or more floating plates 100 can be put according to the pollution condition of a specific position of a river channel, and when a plurality of floating plates are put, the plurality of floating plates 100 can be connected together through ropes; according to the condition of water flow, the floating plate 100 can be fixed on a fixed object at the bank or in a river channel through ropes, so that the biofilm system is prevented from flowing away along with the water flow.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A floating plate type biological membrane system for river channel treatment is characterized by comprising a floating plate and at least one biological membrane component detachably arranged on the floating plate;
the biological membrane component comprises a frame body with an opening in the middle and a biological membrane fixed at the opening of the frame body; the biological membrane comprises a hollow fiber tube grid layer formed by weaving, a thermal bonding adhesive layer is sprayed on the hollow fiber tube grid layer, and a micro-nano fiber membrane is bonded on the thermal bonding adhesive layer.
2. The floating plate biofilm system for river regulation of claim 1, wherein one side of the floating plate is provided with a clamping groove, and the corresponding side of the frame is provided with a matched elastic clamping piece for clamping and mounting on the floating plate.
3. The floating plate biofilm system for riverway remediation of claim 1, wherein a protection cage is fixedly mounted below the floating plate, and the biofilm assembly is accommodated in a cavity formed by the protection cage and the floating plate.
4. The floating plate biofilm system for use in river remediation of claim 1 wherein said floating plate has a plurality of light-transmissive holes distributed therein.
5. The floating plate biofilm system for use in river remediation of claim 1 wherein said floating plate is rectangular or circular.
6. The floating plate biofilm system for river remediation of claim 1 wherein said floating plate is provided with at least one connector clip for connecting a plurality of floating plate biofilm systems together by a rope.
7. The floating plate biofilm system for river remediation of claim 1 wherein said layer of thermal adhesive is applied by spraying polyurethane, polyethylene, polypropylene, polyvinylidene fluoride, polyurethane or acrylic onto said layer of hollow fiber tube mesh.
8. The floating plate biofilm system for river remediation of claim 1 wherein the micro-nanofiber membrane is formed by receiving electrospun fibers using a hollow fiber tube mesh layer as a receiver.
9. The floating plate biofilm system for riverway remediation of claim 8, wherein the micro-nanofibers are degradable hydrophilic fibers.
10. The floating plate biofilm system for river regulation of claim 1, wherein the frame body comprises an upper frame and a lower frame which are matched with each other, the upper frame and the lower frame are fixed together through a clamping structure, a tenon-and-mortise structure, a fixing member or waterproof glue, and the periphery of the biofilm is clamped between the upper frame and the lower frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432806.6U CN210117280U (en) | 2019-04-01 | 2019-04-01 | Floating plate type biological membrane system for river channel treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432806.6U CN210117280U (en) | 2019-04-01 | 2019-04-01 | Floating plate type biological membrane system for river channel treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210117280U true CN210117280U (en) | 2020-02-28 |
Family
ID=69612514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920432806.6U Active CN210117280U (en) | 2019-04-01 | 2019-04-01 | Floating plate type biological membrane system for river channel treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210117280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470613A (en) * | 2020-03-23 | 2020-07-31 | 无锡碧泓达环境科技有限公司 | Ecological purification system for river regulation |
| CN111606412A (en) * | 2020-04-22 | 2020-09-01 | 无锡碧泓达环境科技有限公司 | Floating plate type biological membrane system for river channel treatment |
| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
-
2019
- 2019-04-01 CN CN201920432806.6U patent/CN210117280U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470613A (en) * | 2020-03-23 | 2020-07-31 | 无锡碧泓达环境科技有限公司 | Ecological purification system for river regulation |
| CN111470613B (en) * | 2020-03-23 | 2023-03-10 | 无锡碧泓达环境科技有限公司 | Ecological purification system for river regulation |
| CN111606412A (en) * | 2020-04-22 | 2020-09-01 | 无锡碧泓达环境科技有限公司 | Floating plate type biological membrane system for river channel treatment |
| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210117280U (en) | Floating plate type biological membrane system for river channel treatment | |
| CN206278978U (en) | Plant natural biology film complex ecological floating bed | |
| CN101254975B (en) | Method for manufacturing artificial float grass and uses thereof | |
| CN102826657B (en) | Carbon fiber wetland type ecological floating bed and arrangement method thereof | |
| CN103739079A (en) | Method for ecological restoration and water quality conservation of river water | |
| CN103723820A (en) | Solar aeration-plant bed supported device with biological membrane | |
| CN203668098U (en) | Solar aeration oxygenation-plant bed carrying biofilm device | |
| CN109928488B (en) | River aeration membrane assembly, aeration membrane system and method | |
| CN210214940U (en) | Multistage suspension river purification system | |
| CN210117272U (en) | Bionic aquatic weed for river regulation | |
| CN216946638U (en) | Combined fluidized bed biological filtering dam unit | |
| CN210122507U (en) | Floating island type biological membrane component for river regulation | |
| CN209024278U (en) | A kind of microbe carrier net for earth's surface Water warfare | |
| CN212269606U (en) | Water self-purification ability reinforcing ware | |
| CN212269787U (en) | Exogenous sewage ecological treatment system | |
| CN103951031A (en) | Preparation and application of denitrifying bacteria immobilized fixed-type bioactive fillers based on reticulate carriers | |
| CN208394869U (en) | A kind of combined ecological filler | |
| CN209098318U (en) | A kind of novel reinforced denitrogenation dephosphorizing double-layer artificial chinampa | |
| CN209906431U (en) | River course aeration membrane subassembly and aeration membrane system | |
| CN211620078U (en) | Biological and ecological integrated aeration floating island device | |
| CN111153502A (en) | Telescopic carbon fiber ecological grass | |
| CN207537225U (en) | The microorganism water plant of composite bacteria agent and Ecosystem restoration system | |
| CN213231678U (en) | Anti-dumping biomembrane floating island | |
| CN111333174A (en) | Flat felt FCP biofilm carrier of fixed bed found fine hair | |
| CN217202227U (en) | Three-dimensional biological nest filler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 408, Wuluo science and Technology Park, 393 chunshenhu Middle Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU BEST COLOR NANOTECHNOLOGY Co.,Ltd. Address before: Wuzhong Economic Development Zone in Suzhou City, Jiangsu Province, the River Street 215000 Wuzhong Road No. 1368, building 1, room 437, 426 A418 Patentee before: SUZHOU BEST COLOR NANOTECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |