CN217732794U - Novel biological membrane composite ecological floating bed - Google Patents
Novel biological membrane composite ecological floating bed Download PDFInfo
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- CN217732794U CN217732794U CN202221174235.9U CN202221174235U CN217732794U CN 217732794 U CN217732794 U CN 217732794U CN 202221174235 U CN202221174235 U CN 202221174235U CN 217732794 U CN217732794 U CN 217732794U
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- 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model relates to the technical field of ecological floating beds, and discloses a novel biological membrane composite ecological floating bed which is divided into an upper layer, a middle layer and a lower layer, and is supported and connected through a frame (4); the ecological floating bed consists of a floating plant system (10), a micro-aeration reoxygenation system (20) and an artificial biomembrane treatment system (30), wherein the floating plant system (10) is arranged on the upper layer of the ecological floating bed, and the artificial biomembrane treatment system (30) is arranged on the middle layer of the ecological floating bed; the composite ecological floating bed combines an artificial floating island aquatic plant in-situ remediation technology, an aeration reoxygenation technology, an artificial biomembrane technology and an immobilized microorganism slow-release degradation technology, improves the removal capacity of the artificial floating island on nitrogen and phosphorus pollutants in a water body, and realizes high-efficiency purification and degradation of pollution load.
Description
Technical Field
The utility model relates to an ecological bed technical field that floats, concretely relates to novel compound ecological bed that floats of biomembrane.
Background
With the rapid development of social economy, the water bodies of rivers and lakes are black and smelly and seriously eutrophicated due to the long-term acceptance of industrial wastewater, domestic sewage, farmland drainage and surface runoff, so that an aqueous ecological system is damaged and the function of an aqueous ecological service is degraded. The problem of water ecological environment becomes an important limiting factor for restricting the sustainable development of social economy and is also an important factor for influencing the happiness of residents. The problem of removing the black and odorous water body by restoring the water environment ecosystem is the problem which is being solved at present. At present, china has achieved great effect in the aspect of black and odorous river treatment. With the development and promotion of 'five water co-treatment', black and odorous water bodies are to be eliminated comprehensively in China. By 2019, the elimination proportion of the national black and odorous water body reaches 86.7%, wherein the elimination proportion of key cities (direct prefecture cities, provincial meeting cities and planned single-row cities) is 96.2%, and the elimination proportion of other regional cities is 81.2%. In the water environment treatment of China, the late black and odorous river course era is about to enter, and in order to enable the water quality of river and lake water bodies to meet higher requirements, the water environment treatment of slightly polluted water bodies needs to be further deepened. The in-situ bioremediation technology of the micro-polluted water body is a research focus in the environmental field of China at present. The corresponding technology comprises the following steps: artificial floating island, artificial aeration reoxygenation, chemical flocculation, water diversion and dirt flushing, biological contact oxidation and the like. The artificial floating island technology is one of in-situ water ecological restoration technologies, is researched more and more widely, the form of the artificial floating island technology is also developed from an initial pure plant floating bed to a three-dimensional floating island added with a biological film carrier, the biological film carrier mainly adopts elastic fillers, and the fillers have the defects of low surface area for attachment growth, poor effect and the like. The artificial floating island has good effect of removing organic matters and limited capability of removing nitrogen and phosphorus pollutants in a water body, such as an ecological floating bed based on combination of plants and a biological membrane with the application number of CN 202021014615.7. Therefore, aiming at the problem of poor nitrogen and phosphorus removal effect of the existing artificial floating island, the method has important practical significance for optimizing and transforming the existing artificial floating island, researching and improving the removal capability of the artificial floating island on nitrogen and phosphorus pollutants in a water body, reducing the pollutants in the water body and improving the water environment quality of rivers and lakes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a novel compound ecological bed that floats of biomembrane, this compound ecological bed that floats have combined artifical chinampa aquatic plant normal position restoration technique, aeration reoxygenation technique, artificial biomembrane technique and the slowly-releasing degradation technique of immobilized microorganism, have improved the ability of getting rid of nitrogen phosphorus pollutant in artifical chinampa to the water, realize high-efficient purification degradation pollution load.
In order to achieve the above object, the present invention provides the following technical solutions:
a novel biological membrane composite ecological floating bed is divided into an upper layer, a middle layer and a lower layer which are connected through a frame support; and the ecological floating bed consists of a floating plant system, a micro-aeration reoxygenation system and an artificial biomembrane treatment system, wherein the floating plant system is arranged on the upper layer of the ecological floating bed, and the artificial biomembrane treatment system is arranged on the middle layer of the ecological floating bed.
Preferably, the floating plant system comprises a floating island, planting baskets, aquatic plants and a fixing system, wherein the floating island is fixed by the fixing system, the planting baskets are dispersedly arranged on the floating island, and planting cotton is filled in the planting baskets and the aquatic plants are planted in the planting baskets.
Preferably, the floating island is formed by annularly splicing and assembling a plurality of ecological floating plates, and the plant planting basket is fixed on the ecological floating plates; the aquatic plants mainly comprise emergent aquatic plants, including but not limited to canna indica and acorus calamus, and have strong capability of absorbing and fixing nitrogen and phosphorus.
The ecological floating island follows the ecological principle, utilizes the soilless culture technology, adopts the water surface soilless plant technology which is comprehensively integrated by modern agricultural and ecological engineering measures, and can provide a floating structure of a habitat for various wild organisms.
Preferably, the artificial biomembrane treatment system comprises an artificial biomembrane, the artificial biomembrane is inoculated with immobilized high-efficiency denitrification and dephosphorization bacteria, the number of bacteria per cubic centimeter on the artificial biomembrane is as high as 1.1 to 1.66 billion, the artificial biomembrane technology can treat high-concentration organic wastewater, reduce stink and peculiar smell, improve the sewage purification efficiency, reduce residual sludge, have strong stress resistance and have strong tolerance to substances with biological toxicity.
Preferably, the artificial biological membrane is hung below the planting basket through binding bands.
Preferably, the artificial biomembrane processing system further comprises a microorganism slow-release reactor which is made of a perforated organic glass plate and is divided into three lattice areas, wherein a supplementary nutrient source for microorganisms is placed in one lattice area, the other two lattices are filled with solidified granular microorganisms, the microorganisms slowly release into the water body under the action of water-gas exchange of the lower-layer micro aeration system, nitrogen and phosphorus pollutants in the water body are taken as food, and the artificial biomembrane is taken as a biomembrane bed for adhesion and growth.
Preferably, the micro-aeration reoxygenation system comprises a fan, an air guide pipe and a micro-pore aeration membrane pipe, wherein the fan is arranged at the annular center of the upper floating island through a fan support, and the air guide pipe is connected to the micro-pore aeration membrane pipe positioned at the lower layer from the fan.
Carry into air guide air duct with the air through the fan, air guide air duct lets in micropore aeration membrane pipe with ionized air, the microbubble that converts after the extrusion of micropore aeration membrane pipe is cut apart disperses to the aquatic, the microbubble makes oxygen fully dissolve in the aquatic under the effect of gaseous high oxygen partial pressure, oxygenate the oxygen distribution condition that the technique can change in the water effectively through the aeration, improve the dissolved oxygen concentration in the water, be favorable to aquatic plant's survival, promote the nitrification of microorganism, the efficiency of getting rid of reinforcing ammonia nitrogen.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a compound ecological bed that floats has combined artifical chinampa aquatic plant normal position restoration technique, aeration reoxygenation technique, artificial biomembrane technique and the slowly-releasing degradation technique of immobilized microorganism, has improved the ability of getting rid of nitrogen phosphorus pollutant in artifical chinampa to the water, realizes high-efficient purification degradation pollution load.
The artificial biological membrane is used as a microorganism adhesion bed, so that the number of microorganisms is greatly increased; the aeration structures on the upper layer and the lower layer stimulate the release of immobilized microorganisms under water-gas exchange, promote the growth and the propagation of the microorganisms and improve the degradation efficiency of the microorganisms; and the microorganism slow-release reactor is additionally provided with a microorganism nutrient source supplement area, so that the proportion of the microorganism nutrient source can be manually adjusted according to the water pollution characteristics of different treatment objects, the growth efficiency of different microorganism flora is greatly improved, and the nitrification-denitrification process of microorganisms is enhanced.
Drawings
Fig. 1 is a schematic top view of the novel biological membrane composite ecological floating bed.
Fig. 2 is a sectional view of fig. 1 at section 1-1.
Fig. 3 is a cross-sectional view of fig. 1 at section 2-2.
Fig. 4 is a cross-sectional view of fig. 1 at section 3-4.
Fig. 5 is a cross-sectional view of fig. 4 at section c-c.
Fig. 6 is a sectional view of fig. 4 at section d-d.
In the drawings: 10-floating plant system, 11-floating island, 111-ecological floating plate, 12-planting basket, 13-aquatic plant, 14-fixing system, 20-micro aeration reoxygenation system, 21-blower, 22-air guide pipe, 23-micro-pore aeration membrane pipe, 30-artificial biomembrane processing system, 31-artificial biomembrane, 32-microorganism slow release reactor and 4-frame.
Detailed Description
Example 1: the utility model provides a novel biological film composite ecological floating bed, which is divided into an upper layer, a middle layer and a lower layer and is supported and connected by a frame 4; the ecological floating bed consists of a floating plant system 10, a micro-aeration reoxygenation system 20 and an artificial biomembrane treatment system 30, wherein the floating plant system 10 is arranged on the upper layer of the ecological floating bed, and the artificial biomembrane treatment system 30 is arranged on the middle layer of the ecological floating bed.
The floating plant system 10 comprises a floating island 11, planting baskets 12, aquatic plants 13 and a fixing system 14, wherein the floating island 11 is fixed by the fixing system 14, the planting baskets 12 are dispersedly arranged on the floating island 11, and planting cotton and the aquatic plants 13 are filled in the planting baskets; the aquatic plant 13 is mainly emergent aquatic plants, including but not limited to canna indica and acorus calamus, and has strong capability of absorbing and fixing nitrogen and phosphorus; aquatic plant not only provides more living habitation and hidden places for aquatic animals, can also increase the dissolved oxygen of aquatic through photosynthesis, and water purification, aquatic plant root system can adhere to the microorganism, improves microbial degradation ability, and simultaneously, the aquatic plant growth process body adsorbs rich nutrition composition such as nitrogen, phosphorus and can promote the settlement of aquatic suspended solid to improve whole aquatic ecosystem.
The artificial biomembrane processing system 30 comprises an artificial biomembrane 31, the artificial biomembrane 31 is hung below the planting basket 12 through binding of binding bands, the artificial biomembrane 31 is inoculated with immobilized high-efficiency denitrification and dephosphorization bacteria, the number of bacteria per cubic centimeter on the artificial biomembrane 31 is as high as 1.1 billion to 1.66 billion, the artificial biomembrane technology can process high-concentration organic wastewater, reduce stink and peculiar smell, improve sewage purification efficiency, reduce residual sludge, have very strong stress resistance, and have strong tolerance to biotoxic substances.
The micro-aeration reoxygenation system 20 comprises a fan 21, an air guide pipe 22 and a micro-pore aeration membrane pipe 23, wherein the fan 21 is arranged at the annular center of the upper floating island 11 through a fan 21 support, and the fan 21 adopts a vortex fan (2GH 210-A11) with light structure and small volume; the air guide duct adopts HDPE pipe, and the air guide duct 22 is arranged from the topThe fan 21 is connected to the microporous aeration membrane tube 23 positioned at the lower layer; the microporous aeration membrane pipe is positioned at the lower layer of the equipment and is fixed by a connecting piece, the length of the microporous aeration membrane pipe is 1m,
the ventilation volume is 8m 3 /m·h。
Carry into air guide air duct 22 with the air through fan 21, air guide air duct 22 lets in micropore aeration membrane pipe 23 with ionized air, the microbubble that converts after the extrusion of micropore aeration membrane pipe 23 is cut apart disperses to the aquatic, the microbubble makes oxygen fully dissolve in the aquatic under the effect of gaseous high oxygen partial pressure, oxygenate the oxygen distribution condition in the technique can change the water effectively through the aeration, improve the dissolved oxygen concentration in the water, be favorable to aquatic plant's survival, promote the nitrification of microorganism, strengthen getting rid of efficiency of ammonia nitrogen.
Example 2: the utility model discloses a preferred embodiment provides a novel compound ecological bed that floats of biomembrane, its difference with above-mentioned embodiment only lies in: the floating island 11 is formed by annularly splicing and assembling a plurality of ecological floating plates 111, the plant planting baskets 12 are fixed on the ecological floating plates 111, referring to fig. 1, in the embodiment, the floating island 11 is formed by annularly splicing and assembling eight ecological floating plates 111, and the planting floating plates 111 can be made of high-density polyethylene.
Example 3: the utility model discloses a preferred embodiment provides a novel compound ecological bed that floats of biomembrane, its difference with above-mentioned embodiment only lies in: the artificial biomembrane processing system 30 further comprises a microorganism slow-release reactor 32 which is made of a perforated organic glass plate and is divided into three grid areas, wherein a nutrition supplementing source for microorganisms is placed in one grid area, and other two grids are filled with solidified granular microorganisms, the microorganisms slowly release into the water body under the water-gas exchange action of the lower-layer micro aeration system 22, nitrogen and phosphorus pollutants in the water body are taken as food, and the artificial biomembrane 31 is taken as a biomembrane bed for adhesion and growth.
Claims (8)
1. A novel biological membrane composite ecological floating bed is characterized in that the ecological floating bed is divided into an upper layer, a middle layer and a lower layer which are supported and connected through a frame (4); the ecological floating bed consists of a floating plant system (10), a micro-aeration reoxygenation system (20) and an artificial biomembrane processing system (30), wherein the floating plant system (10) is arranged on the upper layer of the ecological floating bed, and the artificial biomembrane processing system (30) is arranged on the middle layer of the ecological floating bed.
2. The novel biomembrane composite ecological floating bed as claimed in claim 1, wherein the floating plant system (10) comprises a floating island (11), planting baskets (12), aquatic plants (13) and a fixing system (14), the floating island (11) is fixed by the fixing system (14), the planting baskets (12) are dispersedly arranged on the floating island (11), and the planting baskets (12) are filled with planting cotton and planted with the aquatic plants (13).
3. The novel biological membrane composite ecological floating bed as claimed in claim 2, wherein the floating island (11) is assembled by splicing a plurality of ecological floating plates (111) in a ring shape, and the plant growing baskets (12) are fixed on the ecological floating plates (111).
4. The novel biomembrane composite ecological floating bed as claimed in claim 2, wherein the aquatic plants (13) include but are not limited to canna indica and acorus calamus.
5. The novel biomembrane composite ecological floating bed as claimed in claim 2, wherein the artificial biomembrane processing system (30) comprises an artificial biomembrane (31), the artificial biomembrane (31) is inoculated with immobilized high-efficiency denitrifying and dephosphorizing bacteria, and the number of bacteria per cubic centimeter on the artificial biomembrane (31) is up to 1.1 to 1.66 billion.
6. The novel biomembrane composite ecological floating bed as claimed in claim 5, wherein the artificial biomembrane sheet (31) is suspended below the planting basket (12) by binding bands.
7. The novel biological membrane composite ecological floating bed as claimed in claim 2, wherein the artificial biological membrane treatment system (30) further comprises a microorganism slow-release reactor (32) which is made of perforated organic glass plate and is divided into three compartments, wherein a supplementary nutrient source for microorganisms is placed in one compartment and solidified granular microorganisms are filled in the other two compartments.
8. The novel biological membrane composite ecological floating bed as claimed in claim 2, wherein the micro-aeration reoxygenation system (20) comprises a fan (21), an air guide pipe (22) and a micro-pore aeration membrane pipe (23), the fan (21) is supported at the annular center of the upper floating island (11) through the fan (21), and the air guide pipe (22) is connected to the micro-pore aeration membrane pipe (23) at the lower layer from the fan (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221174235.9U CN217732794U (en) | 2022-05-17 | 2022-05-17 | Novel biological membrane composite ecological floating bed |
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| CN202221174235.9U CN217732794U (en) | 2022-05-17 | 2022-05-17 | Novel biological membrane composite ecological floating bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118479649A (en) * | 2024-05-22 | 2024-08-13 | 扬州天蓝蓝环境工程有限公司 | Urban river water body purification dredging device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118479649A (en) * | 2024-05-22 | 2024-08-13 | 扬州天蓝蓝环境工程有限公司 | Urban river water body purification dredging device and method thereof |
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