CN115321688A - Self-adjusting biological grid device for improving water quality of river channel and application system - Google Patents
Self-adjusting biological grid device for improving water quality of river channel and application system Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a self-adjusting biological grid device for improving the water quality of a river channel and an application system, and relates to the technical field of ecological restoration and polluted water purification; the biological grid unit is used for purifying water quality, the elastic connecting piece is used as a self-adjusting connecting structure between the mounting rod and the biological grid unit, a river channel has a turbulent river during a rich water period or rainfall, the biological grid unit rotates around the mounting rod along the water flow direction to the bank where the river channel is located, the flow of water flow is not blocked, the flood discharge function of the river during the rich water period is met, and any substance on the self-adjusting biological grid device does not need to be detached or poured; after rainfall or river channel torrent rivers end, biological grid unit is automatic re-setting under the elastic connection spare drives, continues to purify quality of water, promotes river channel quality of water, and this kind of self-interacting formula's cooperation mode has reduced the loss of torrent rivers to the device moreover, has improved the persistence of device and can maintain river quality of water for a long time.
Description
Technical Field
The invention relates to the technical field of ecological restoration and polluted water purification, in particular to a self-adjusting biological grid device for improving water quality of a river channel and an application system.
Background
In recent years, the water quality of partial river sections and rivers is still unsatisfactory under the influence of exogenous pollution.
In the last decades, the biological grid technology has been applied and popularized in the restoration process of various water bodies as a combined ecological restoration means, and the technology removes water body pollutants by utilizing the action of reinforced microorganisms, and has the advantages of not occupying extra land area, realizing in-situ restoration and the like. However, the biological grid technology for in-situ river restoration is greatly influenced by the change of water saving quantity in different seasons, such as the problem that the grid is damaged by turbulent water flow under the conditions of high water quantity and high flow rate in a water-rich period, and the like, thereby generating adverse influence on the long-term maintenance of the river water quality purification effect; on the other hand, the existence of the river biological grid also influences the flood discharge capability of rivers to some extent.
To above problem, also proposed a pollute river course water body normal position treatment device among the prior art, purification subassembly including three level, at first place the ups and downs bars subassembly in the deep water district that pollutes the river course, the buffer zone at deep water district rear sets up microbial purification reaction zone and settling zone, realize effectual microbial purification, the mud deposits the purification, and when the flood is big, the biozone is blown down, reduce the impact force of flood to the biozone, also reduced the resistance of biozone to the water, guarantee that the microbial components is not destroyed, flood discharge ability does not weaken, shallow water district setting at the buffer zone rear can accomodate and hold the biobars subassembly of purification through the wheel, but on the one hand the whole installation regulation structure component part is many, comparatively complicated, operation management and maintenance need invest certain manpower and expense, on the other hand, the structure can't satisfy the requirement of adjusting in real time along with the water gauge change, it should have certain hysteresis quality to the water gauge change.
Disclosure of Invention
In order to solve the problems that the existing device for purifying the water quality of the river channel is complex in overall operation management and lags in water quantity change, the application provides a self-adjusting biological grid device for improving the water quality of the river channel and an application system, so that pollutants in rivers can be effectively removed, and the water quality of the rivers can be purified; the device can also obviously reduce the loss of the turbulent water flow to the device, improve the durability of the device, maintain the water quality of the river for a longer time and meet the flood discharge function in the water-rich period of the river.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a self-adjusting biological grate assembly for riverway water quality enhancement, comprising: the mounting rod, the biological grid unit for purifying water quality and the elastic connecting piece are arranged on the mounting rod; the installation pole is vertical to be fixed in one side of river course, and the biological grid unit is arranged in the river course, and its one side passes through elastic connection spare and is connected with the installation pole rotation, and during rich water period or river water high water yield, high velocity of flow, biological grid unit revolves to the bank side at river course place around the installation pole along the rivers direction, and the biological grid unit of gentle period of rivers is automatic re-setting under elastic connection spare drives.
In the technical scheme, the biological grid unit is used for purifying water quality, the elastic connecting piece is used as a self-adjusting connecting structure between the installation rod and the biological grid unit, in a rich water period or in rainfall, a river channel and a river are turbulent, the biological grid unit rotates around the installation rod to the shore where the river channel is located along the water flow direction, the flowing of water is not blocked, the flood discharge function in the rich water period of the river is met, any substance on the self-adjusting biological grid device does not need to be detached or poured, after the rainfall or the turbulent water flow of the river channel is finished, the biological grid unit is automatically reset under the driving of the elastic connecting piece, the water quality is continuously purified, the water quality of the river channel is improved, the loss of the turbulent water flow to the device is reduced by the self-adjusting matching mode, the durability of the device is improved, and the water quality of the river can be maintained for a long time.
Preferably, the biological grid unit includes biological grid frame and a plurality of biological grid filler, the biological grid frame is the rectangle frame of middle fretwork, and the rectangle frame is including consecutive first horizontal frame, first vertical frame, the horizontal frame of second and the vertical frame of second, and the size of rectangle frame is set for according to the actual environment in river course, and each biological grid filler is vertical to be hung between the horizontal frame of first horizontal frame and second.
Preferably, a plurality of through holes are uniformly distributed on the first transverse frame and the second transverse frame of the biological grid framework, one end of each biological grid filler is connected to one of the through holes on the first transverse frame, and the other end of each biological grid filler is connected to one of the through holes on the second transverse frame.
Preferably, the hole clearance of the through holes is larger than the filling diameter of the biological grid filler, so that the action area of the biological grid filler in practical application is increased, more microorganism living space is provided, and on the other hand, water flow is facilitated to pass through, and the contact area of a water body and the biological grid filler is increased.
Preferably, a certain height of space is reserved between the bottom of the biological grid framework and the bottom of the river channel, so that disturbance of the biological grid to sediment is reduced.
Preferably, the biological grid filler is made of a material with the microorganism enrichment function and strong corrosion resistance, when the biological grid filler is selected, a biological grid filler screening experiment is performed, the biological grid filler is selected according to the purification effect of different biological grid fillers on water quality, the biological grid filler is a carrier, an ecological place is provided for the colonization and action exertion of a microbial community, the abundance and diversity of microorganisms in a river channel are improved, the number of related functional microorganisms is increased, and the stable promotion and maintenance of the water quality of the river channel are facilitated.
Preferably, the elastic connecting piece is a spring hinge, so that the self-adjustment of the device in the rich water period and the water flow leveling period is realized.
The invention also provides an application system of the self-adjusting biological grid for improving the water quality of the river channel, wherein the application system consists of a plurality of self-adjusting biological grid devices, namely, a plurality of groups of self-adjusting biological grid devices are properly added according to the water quality condition of the target river channel and the characteristics of the river channel to form the application system, so that the aim of effectively improving the water quality is fulfilled, but enough space needs to be reserved among the groups of self-adjusting biological grid devices to finish the automatic opening and closing process.
Preferably, the self-adjusting biological grid devices are arranged in the riverway in parallel, and the mounting rods of the self-adjusting biological grid devices are vertically fixed on the same side of the riverway.
Preferably, the self-adjusting biological grid devices are arranged in the riverway in parallel, and the mounting rods of the self-adjusting biological grid devices are sequentially and alternately vertically fixed on one side of the riverway.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention provides a self-adjusting biological grid device for improving water quality of a river channel and an application system, wherein a biological grid unit is used for purifying water quality, an elastic connecting piece is used as a self-adjusting connecting structure between an installation rod and the biological grid unit, river channels and rivers are turbulent in a heavy water period or in a rainfall period, the biological grid unit rotates around the installation rod to the shore where the river channels are located along the water flow direction, water flow is not blocked, the flood discharge function in the heavy water period of the river channels is met, and any substance on the self-adjusting biological grid device does not need to be detached or poured. After rainfall or river channel torrent rivers finish, biological grid unit is automatic to reset under the elastic connection spare drives, continues to purify water quality, can provide suitable place for the enrichment of metabolism function microorganism such as nitrogen, phosphorus in the river and form the advantage process, realizes the normal position water quality purification promotion and the maintenance of river, and this kind of self-interacting formula cooperation mode has reduced torrent rivers and has reduced the loss of device in addition, has improved the persistence of device and can maintain river water quality for a longer time.
Drawings
Fig. 1 is a schematic structural diagram of a self-regulating biological grid device for raising the water quality of a river, which is provided in embodiment 1 of the invention;
fig. 2 is a diagram showing a physical representation of a self-adjusting biological grid device for raising the water quality of a river, which is proposed in example 1 of the present invention;
FIG. 3 is a schematic diagram showing the distribution of abundance of genes of microorganisms on different bio-grid fillers proposed in example 2 of the present invention;
FIG. 4 is a graph showing the relative abundance distribution of different bio-grid packing gate levels proposed in example 2 of the present invention;
FIG. 5 shows the Chemical Oxygen Demand (COD) of different bio-grid fillers proposed in example 2 of the present invention Cr ) A graph of the removal effect of (a) over time;
FIG. 6 shows the ammonia Nitrogen (NH) versus various biological grid fillers proposed in example 2 of the present invention 4 + -N) a graph of the removal effect over time;
FIG. 7 is a graph showing the effect of different bio-grid fillers on Total Phosphorus (TP) removal over time as set forth in example 2 of the present invention;
FIG. 8 is a histogram showing the removal effect of different biological grid fillers on water quality indicators according to example 2 of the present invention; FIG. 9 is a schematic diagram showing an arrangement of the self-regulating biological grid application system for raising the water quality of a river according to example 3 of the present invention;
fig. 10 shows a schematic view of another arrangement of the self-regulating biological grid application system for raising the water quality of a river channel according to embodiment 3 of the present invention.
Wherein, 1-mounting a rod; 2-a biological grid unit; 21-a biological grid framework; 22-biological grid packing; 3-an elastic connector; 211-through holes.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for better illustration of the present embodiment, certain parts of the drawings may be omitted, enlarged or reduced, and do not represent actual dimensions;
it will be understood by those skilled in the art that certain descriptions of well-known structures in the drawings may be omitted.
The technical solution of the present invention is further described with reference to the drawings and the embodiments.
The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
example 1
As shown in fig. 1, the present embodiment proposes a self-regulating biological grating device for raising the water quality of a river, referring to fig. 1, the self-regulating biological grating device comprising: installation pole 1, biological grid unit 2 and elastic connection piece 3 that are used for the quality of water of purification. The mounting rod 1 is vertically fixed on one side of a river channel, the biological grid unit 2 is arranged in the river channel, and one side of the biological grid unit is rotatably connected with the mounting rod 1 through the elastic connecting piece 3. The biological grid unit 2 in the rich water period rotates around the mounting rod 1 along the water flow direction to the bank where the river channel is located; the biological grid unit 2 in the water flow slow stage is automatically reset under the driving of the elastic connecting piece 3.
The physical display diagram of the self-adjusting biological grating device of the device is shown in figure 2, and the biological grating device is used for simulating the research of river water quality purification. Referring to fig. 2, the size of the biological grid unit (60 cm × 40 cm) is fixed in a simulated small river channel constructed by connecting 6 groups of cuboid boxes of 100cm × 50cm × 80cm in series through mounting rods, and two groups of parallel biological grid devices are arranged in each box and are respectively fixed on the long edges of two sides of the box.
The biological grid unit 2 is used for purifying water quality, and the elastic connecting piece 3 is used as a self-adjusting connecting structure between the mounting rod 1 and the biological grid unit 2. In this embodiment, the elastic connecting pieces 3 are spring hinges, so that the self-adjustment of the device in the rich water period and the slow water flow period is realized, as shown in fig. 1, two spring hinges are arranged between the installation rod and the biological grid unit 2, one hinge is fixed at the upper end and the lower end of the installation rod 1, the other hinge is connected with the biological grid unit 2, the spring hinges are made of stainless steel, and a spring is installed on the hinge and allows single-phase opening and closing, so that the biological grid unit 2 can be automatically opened and closed. Under the condition of normal water flow, the biological grid unit 2 is transversely arranged in the river channel; during the rich water period or rainfall, the river channel and the river are turbulent, the biological grid unit 2 rotates around the mounting rod 1 along the water flow direction to approach the bank where the river channel is located, the water flow is not blocked, the flood discharge function of the river during the rich water period is met, and any substance on the self-adjusting biological grid device does not need to be detached or poured; after rainfall or river channel torrent rivers finish, biological grid unit 2 is automatic re-setting under elastic connection spare 3 drives, continues to purify quality of water, promotes river channel quality of water, and this kind of self-interacting formula's cooperation mode has reduced the loss of torrent rivers to the device moreover, has improved the persistence of device and can maintain river quality of water for a longer time.
As shown in fig. 1, the biological grid unit 2 includes a biological grid frame 21 and a plurality of biological grid fillers 22. In this embodiment, biological grid frame 21 is the rectangle frame of middle fretwork, and the aluminum alloy is chooseed for use to the material, and the rectangle frame is solid or hollow, and the rectangle frame is including consecutive first horizontal frame, first vertical frame, the horizontal frame of second and the vertical frame of second, and the size of rectangle frame is set for according to the actual environment in river course, and each biological grid packs 22 and vertically hangs between first horizontal frame and the horizontal frame of second.
A plurality of through holes 211 which are uniformly distributed are formed in the first transverse frame and the second transverse frame of the biological grille frame 21, one end of each biological grille filler 22 is connected to one of the through holes in the first transverse frame, and the other end of each biological grille filler is connected to one of the through holes in the second transverse frame. Referring to fig. 1, 11 through holes are formed in the first transverse frame and the second transverse frame and are uniformly distributed, so that the biological grille filler 22 can be vertically wound, hung and fixed on the biological grille frame 22 through the holes in the upper transverse edge and the lower transverse edge. In actual operation, the filler gap between two adjacent through holes is reduced as far as possible while water flow is ensured to pass through, and the filler suspension density is increased.
In this embodiment, the hole clearance of through-hole 211 is greater than the full diameter of biological grid filler (22), and the active area of biological grid filler when having increased practical application on the one hand provides more microorganism living space, and on the other hand makes things convenient for rivers to pass through, increases the area of contact of water and biological grid filler.
In addition, referring to fig. 1, a space with a certain height h is reserved between the bottom of the biological grid framework 21 and the bottom of the river channel, and the space can be used for planting aquatic plants in the river channel, so that disturbance to biological grid sediments is reduced. And further fixing the nutrient salt in the sediment through the planted aquatic plants in the riverway. In the whole, the design of the automatic opening and closing type biological grating is adopted, the biological grating unit can be opened along the water flow direction under the impact of turbulent and urgent water flows such as the rich water period or rainfall, the flood control requirement is not influenced, the device does not need to be electrified, the opening and closing of the device do not need to be manually adjusted, and the manpower resource and the energy consumption are saved. The biological grid can reset automatically under the drive of the spring after the rainfall or the torrent, continue to purify water quality, stably exert the functions of the device, and adopt the design of the automatic open-close type biological grid, so that the damage degree of the device caused by violent impact of water flow can be reduced, and the service life of the riverway in-situ restoration device is prolonged.
Example 2
The biological grid filler is used as a carrier, so that an ecological place can be provided for colonization and function exertion of a microbial community, the abundance and diversity of microbes in a river channel are improved, the number of related functional microbes is increased, and stable promotion and maintenance of the water quality of the river channel are facilitated.
In the present embodiment, the selection of the bio-grid filler 22 will be explained. When the biological grid filler 22 is selected, a biological grid filler screening experiment is performed, and the biological grid filler 22 is selected according to the microbial characteristics of different biological grid fillers and the purification effect on water quality. In this example, blank groups were used as comparison groups, i.e. no biological grid filler, experimental groups were selected from loofah Sponge (SGL), fluidized bed (LHC), carbon fiber (TXW), combined filler (ZHTL), polyurethane (JAZ) and biological rope (SWS), and microbial development characteristics of different biological grid fillers and dynamic 72-hour removal effects of the fillers on water pollutants were monitored, wherein the distribution of microbial gene abundance of different biological grid fillers is schematically shown in fig. 3, and relative abundance levels of different biological grid fillers are shown in fig. 3The distribution diagram is shown in FIG. 4, and the Chemical Oxygen Demand (COD) of different biological grid fillers is shown Cr ) Ammonia Nitrogen (NH) 4 + -N) and Total Phosphorus (TP) removal effect changes within 72 hours are shown in FIGS. 5 to 7. The result shows that the biological ropes and the carbon fibers have stronger microorganism enrichment effect and stronger corrosion resistance, can be used as target fillers of the biological grid fillers 22, and the loofah sponge is easy to degrade in the water environment and is not suitable for selection. By integrating the characteristics of microorganisms on the biological grid filler and the removal effect of the biological grid filler on pollutants for 72 hours, a biological strong rope and carbon fibers are preferably selected to carry out further continuous removal experiments, namely, polluted river water flows through the biological grid unit 2 at the flow speed of 0.1m/s, after stable operation for one month, water sample collection and monitoring are carried out to know the purification effect of the polluted river water on water quality, and the histogram of the removal effect of the two biological grid fillers on water quality indexes is shown in fig. 8. The results show that the biological grid device filled with the biological ropes and the carbon fibers has a Chemical Oxygen Demand (COD) under continuous operation Cr ) Total Nitrogen (TN), total Phosphorus (TP), ammonia Nitrogen (NH) 4 + -N), nitro Nitrogen (NO) 3 - -N) and the like, 41% and 52%, 54% and 64%, 30% and 47%, 52% and 50%, 90% and 87%, respectively. On the whole, biological rope, carbon fiber are preferred as the target filler to the biological grid filler, can make river course quality of water promote to V class water standard from initial poor V class water, and quality of water purifying effect is showing.
Example 3
The invention also provides an application system of the self-adjusting biological grid for improving the water quality of the river channel, wherein the application system consists of a plurality of self-adjusting biological grid devices, a plurality of groups of self-adjusting biological grid devices can be properly added according to the water quality condition of the target river channel and river channel characteristics to form the application system, the aim of effectively improving the water quality is achieved, and enough space needs to be reserved among the groups of self-adjusting biological grid devices to finish the automatic opening and closing process.
Fig. 9 is a schematic view of an application system in which a plurality of self-adjusting biological grid devices are arranged in parallel in a river channel, wherein the self-adjusting biological grid devices are indicated by a, and mounting rods 1 of all the self-adjusting biological grid devices are vertically fixed on the same side of the river channel.
Fig. 10 is a schematic view of another application system in which a plurality of self-adjusting biological grid devices are arranged in parallel in a river, and the self-adjusting biological grid device is still indicated by "a". Unlike fig. 9, the mounting bars 1 of the self-adjusting biological grid device are alternately fixed vertically on both sides of the waterway in turn, not on the same side.
When a plurality of self-adjusting biological grating devices are matched for use, enough space needs to be reserved among a plurality of groups of biological grating devices to complete the automatic opening and closing process.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A self-adjusting biological grid device for riverway water quality enhancement, comprising: the device comprises an installation rod (1), a biological grid unit (2) for purifying water and an elastic connecting piece (3); installation pole (1) is vertical to be fixed in one side of river course, and biological grid unit (2) are arranged in the river course, and its one side is passed through elastic connection spare (3) and is rotated with installation pole (1) and be connected, and during rich water period or river water high water yield, high velocity of flow, biological grid unit (2) are around installation pole (1) along the rotatory bank limit to river course place of rivers direction, and biological grid unit (2) of rivers mild period are automatic re-setting under elastic connection spare (3) drive.
2. The self-adjusting biological grid device for improving the water quality of a riverway according to claim 1, wherein the biological grid unit (2) comprises a biological grid framework (21) and a plurality of biological grid fillers (22), the biological grid framework (21) is a rectangular frame with a hollow middle part, the rectangular frame comprises a first transverse frame, a first longitudinal frame, a second transverse frame and a second longitudinal frame which are sequentially connected, the size of the rectangular frame is set according to the actual environment of the riverway, and each biological grid filler (22) is vertically suspended between the first transverse frame and the second transverse frame.
3. The self-adjusting biological grid device for improving the water quality of a riverway according to claim 2, wherein a plurality of uniformly distributed through holes (211) are formed in each of the first and second transverse rims of the biological grid framework (21), and one end of each biological grid filler (22) is connected to one of the through holes in the first transverse rim and the other end thereof is connected to one of the through holes in the second transverse rim.
4. The self-adjusting biological grid device for riverway water quality enhancement according to claim 3, wherein the hole clearance of the through holes (211) is larger than the filling diameter of the biological grid packing (22).
5. The self-adjusting biological grid device for riverway water quality improvement according to any one of claims 2 to 4, wherein the bottom of the biological grid framework (21) is reserved with a certain height from the bottom of the riverway.
6. The self-adjusting biological grid device for improving the water quality of the riverway according to any one of claims 2 to 4, wherein the biological grid filler (22) is made of a material with microorganism enrichment and strong corrosion resistance, when the biological grid filler (22) is selected, a biological grid filler (22) screening experiment is performed, the biological grid filler (22) is selected according to the purification effect of different biological grid fillers on the water quality, and the biological grid filler (22) is a carrier and provides an ecological site for the colonization and the effect of a microbial community.
7. The self-adjusting biological grille shutter arrangement for riverway water quality enhancement of claim 1 wherein the resilient connectors (3) are spring hinges.
8. A self-adjusting biological grid application system for raising the water quality of a river channel, wherein the application system is composed of a plurality of self-adjusting biological grid devices according to claim 1.
9. The self-adjusting biological grid application system for raising the water quality of a riverway according to claim 8, wherein a plurality of self-adjusting biological grid devices are arranged in the riverway in the form of: the installation rods (1) of the self-adjusting biological grid devices are vertically fixed on the same side of the river channel.
10. The self-adjusting biological grid application system for improving the water quality of the riverway as claimed in claim 8, wherein the self-adjusting biological grid devices are arranged in the riverway in parallel, and the installation rods (1) of the self-adjusting biological grid devices are sequentially and alternately vertically fixed on two sides of the riverway.
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| CN202210752954.2A CN115321688A (en) | 2022-06-29 | 2022-06-29 | Self-adjusting biological grid device for improving water quality of river channel and application system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11309475A (en) * | 1998-04-28 | 1999-11-09 | Pub Works Res Inst Ministry Of Constr | Contamination reducing equipment and contamination diffusion preventing method applicable to flowing water area |
| CN1657442A (en) * | 2005-02-05 | 2005-08-24 | 南京大学 | Method for purifying water of river and channel by biological grid |
| CN201280469Y (en) * | 2008-10-17 | 2009-07-29 | 苏州大学 | Water in-situ treating biological grid for polluted riverway |
| CN210764534U (en) * | 2019-10-14 | 2020-06-16 | 中国电建集团中南勘测设计研究院有限公司 | Pollute river course water normal position and administer biological bars |
| CN210764533U (en) * | 2019-10-14 | 2020-06-16 | 中国电建集团中南勘测设计研究院有限公司 | Scalable biological bars that pollute river course water and administer |
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2022
- 2022-06-29 CN CN202210752954.2A patent/CN115321688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11309475A (en) * | 1998-04-28 | 1999-11-09 | Pub Works Res Inst Ministry Of Constr | Contamination reducing equipment and contamination diffusion preventing method applicable to flowing water area |
| CN1657442A (en) * | 2005-02-05 | 2005-08-24 | 南京大学 | Method for purifying water of river and channel by biological grid |
| CN201280469Y (en) * | 2008-10-17 | 2009-07-29 | 苏州大学 | Water in-situ treating biological grid for polluted riverway |
| CN210764534U (en) * | 2019-10-14 | 2020-06-16 | 中国电建集团中南勘测设计研究院有限公司 | Pollute river course water normal position and administer biological bars |
| CN210764533U (en) * | 2019-10-14 | 2020-06-16 | 中国电建集团中南勘测设计研究院有限公司 | Scalable biological bars that pollute river course water and administer |
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Application publication date: 20221111 |