CN111847652A - Ecological floating bed for treating nitrogen and phosphorus pollution of water body based on deep rice planting - Google Patents
Ecological floating bed for treating nitrogen and phosphorus pollution of water body based on deep rice planting Download PDFInfo
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- CN111847652A CN111847652A CN202010751658.1A CN202010751658A CN111847652A CN 111847652 A CN111847652 A CN 111847652A CN 202010751658 A CN202010751658 A CN 202010751658A CN 111847652 A CN111847652 A CN 111847652A
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- 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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Abstract
The invention provides an ecological floating bed for treating nitrogen and phosphorus pollution of a water body based on deep rice planting, which is used for solving the problem that nitrogen and phosphorus pollution at different depths in the water body is difficult to treat in the prior art. Including frame and cultivation unit, the frame floats on the water, the equipartition has a plurality of cultivation holes and all corresponds a cultivation unit on the frame, it holds the box and passes through flexible net section of thick bamboo with the matrix to hold and be connected, make the matrix hold the box and float from top to bottom, spacing subassembly can restrict the matrix and hold the box at the degree of depth under water, and buoyancy adjusting part links firmly on the matrix holds the box outside, buoyancy adjusting part's buoyancy is adjustable to make the matrix hold the box come-up or sink, it is fixed by spacing subassembly restriction when floating, through the buoyancy of adjusting buoyancy adjusting part in the different cultivation units, make the matrix of different cultivation units hold the box at the degree of depth under water different, and the root of the dark rice of different degree of depth can absorb the nitrogen phosphorus element of aquatic, thereby reduce nitrogen phosphorus aquatic different degree of depth content and can promote the growth of.
Description
Technical Field
The invention relates to the technical field of agricultural ecology and water environment treatment, in particular to an ecological floating bed for treating nitrogen and phosphorus pollution of a water body based on deep rice planting.
Background
The double cropping rice region mainly comprises 10 province and city autonomous regions of Jiangxi, Hunan, Hubei, Guangdong, Guangxi, Zhejiang, Hainan, Yunnan, Anhui and Fujian. The land reclamation index in the area is high, and the area is an important production and output base of grains and agricultural products in China. With the development of economic society, agricultural rural economy in the area is greatly developed, and meanwhile, the use amount of agricultural external input products such as chemical fertilizers, pesticides and agricultural films is increased, and agricultural wastes such as livestock and poultry manure and straws are increased. In addition, the water resources in the area are rich, rainfall is concentrated in two seasons of spring and summer, surface runoff is easy to generate, area non-point source pollution is aggravated, and water eutrophication is increasingly severe. Not only degrades the agricultural ecosystem and endangers the agricultural safety, but also damages the health of residents through water and food pollution, brings huge loss to the production, life and economic development of the area, and poses serious threat to the sustainable development of human beings and society.
In the prior art, the nitrogen and phosphorus pollution treatment of the water body mainly adopts enrichment treatment, an ecological floating bed and other modes to enrich the polluted water body and collect nitrogen and phosphorus elements in the water body through chemical reaction, but the quantity of the enriched water body is limited, the cost is high, the scheme is basically not adopted, the ecological floating bed is taken as a mature technology and is widely applied to projects such as water body purification, landscaping and the like, in the floating bed vegetation configuration, at present, wet or aquatic landscape plants are mainly used, the plants well play the functions of landscaping and sewage purification, but the seedling cost and the management and maintenance cost are higher, other economic application values are avoided, and withered residual plants often cause secondary pollution; secondly, most of the plants are dormant in winter, and the annual purification and beautification functions are difficult to exert. Although some vegetables are arranged on the ecological floating bed in recent years, the vegetable harvesting period is short, frequent picking is inconvenient, and people are difficult to accept the vegetables growing from sewage in a short period and directly eat the vegetables, so the popularization and application are limited, the depth of vegetation planted on the ecological floating bed in a water body is limited, most of the vegetation is concentrated on the surface of the water body, nitrogen and phosphorus elements at different depths in the water body cannot be absorbed, the deep rice is resistant to flooding, the deep rice generally grows in water with the depth of 1-6 meters, the stem of the deep rice can grow to 5-6 meters, the deep rice is planted on the floating bed, the type of the floating bed matrix and the depth of the water body are reasonably matched, and three-dimensional treatment on nitrogen and phosphorus pollution can be realized.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an ecological floating bed for treating nitrogen and phosphorus pollution of a water body based on deep rice planting, which is used for solving the problem that nitrogen and phosphorus pollution at different depths in the water body is difficult to treat in the prior art.
In order to achieve the above objects and other related objects, the present invention provides an ecological floating bed for treating nitrogen and phosphorus pollution in a water body based on deep rice planting, comprising a frame and a cultivation unit;
the frame floats on the water surface, and a plurality of cultivation holes are formed in the frame;
the cultivation units are used for cultivating deep rice, the number of the cultivation units is multiple, and the cultivation units are all installed in the cultivation holes;
the cultivation unit comprises an accommodating component, a limiting component and a buoyancy regulating component,
the accommodating assembly comprises an upper accommodating box, a flexible net cylinder and a substrate accommodating box which are vertically communicated, the upper accommodating box is fixedly arranged on the framework, the upper end of the flexible net cylinder is connected with the upper accommodating box, the lower end of the flexible net cylinder is connected with the substrate accommodating box, the substrate accommodating box is positioned under water, and the substrate accommodating box is used for accommodating a culture substrate;
the limiting assembly is used for elastically supporting the substrate accommodating box and comprises a plurality of guide sleeves, spring pieces and a sliding plate, the guide sleeves are fixedly arranged on the framework, the number of the spring pieces is multiple, the spring pieces are all fixedly arranged on the same side in the guide sleeves, the elasticity of the spring pieces is gradually increased from top to bottom, the upper end of the sliding plate vertically penetrates through the guide sleeves, the lower end of the sliding plate is fixed with the substrate accommodating box, a limiting block is fixedly arranged on the sliding plate, and the spring pieces support the limiting block;
the buoyancy adjusting assembly is fixedly connected to the mechanism containing box and located below the water surface, and is used for adjusting the buoyancy of the cultivation unit in the growth period of the deep rice.
Preferably, the buoyancy adjusting assembly comprises an air bag, an air inlet pipe, an exhaust pipe, a first electromagnetic valve and a second electromagnetic valve, the air bag is fixed on the substrate containing box, the first electromagnetic valve is used for controlling the on-off of the air inlet pipe, and the second electromagnetic valve is used for controlling the on-off of the exhaust pipe.
Preferably, the spring pieces with the same elastic strength in different cultivation units are the same in vertical distance, and the air inlet pipes are controlled to be switched on and off by adjusting the first electromagnetic valves, so that the volumes of the air in the air bags are different.
Preferably, the spring pieces with the same elastic strength in different cultivation units have different vertical distances, and the air inlet pipes are controlled to be switched on and off by adjusting the first electromagnetic valves, so that the volumes of the air in the air bags are the same.
Preferably, still include dissolved oxygen subassembly, the dissolved oxygen subassembly is installed on the frame, the dissolved oxygen subassembly is used for increasing the dissolved oxygen volume of aquatic, the dissolved oxygen subassembly includes first air pump and power, first air pump with the equal fixed mounting of power is in on the frame, first air pump is used for to aquatic pump gas, the power be used for to first air pump provides the energy.
Preferably, the dissolved oxygen component further comprises a plurality of solar charging panels, the solar charging panels are vertically and uniformly arranged on the frame, and the solar charging panels are used for charging the power supply.
Preferably, the dissolved oxygen assembly further comprises a gas tank and a second gas pump, the second gas pump is used for pumping air into the gas tank, the gas tank is connected with the plurality of gas inlet pipes, and the gas tank inflates the plurality of gas bags through the plurality of gas inlet pipes.
Preferably, when a plurality of ecological floating beds are combined, the ecological floating bed with the dissolved oxygen component is positioned in the middle, a plurality of ecological floating beds without the dissolved oxygen component are positioned around the ecological floating bed with the dissolved oxygen component, and the ecological floating beds are connected through struts.
Preferably, the frame comprises a frame body and a floating ball, the floating ball is positioned at the lower side of the frame body, and the floating ball is used for increasing the buoyancy of the ecological floating bed.
Preferably, the frame is further provided with an anchor for fixing the ecological floating bed
As mentioned above, the ecological floating bed for treating nitrogen and phosphorus pollution of water body based on deep rice planting has at least the following beneficial effects: the frame floats on a water body seriously polluted by nitrogen and phosphorus, a plurality of cultivation holes are uniformly distributed on the frame, each cultivation hole is correspondingly provided with a cultivation unit, a containing box of each cultivation unit is connected with a substrate containing box through a flexible net barrel, so that the substrate containing box for fixing the root of the deep rice can float up and down within the length range of the flexible net barrel, a guide sleeve of a limiting component is fixedly connected with the frame, a sliding plate is fixedly connected with the substrate containing box, the sliding plate can slide in the guide sleeve and limit the sliding of the sliding plate through the elastic force generated by the contact of a spring leaf and a limiting block, the limiting component can limit the depth of the substrate containing box under water, a buoyancy regulating component is fixedly connected at the outer side of the substrate containing box, the buoyancy of the buoyancy regulating component can be adjusted to enable the buoyancy of the substrate containing box to change and float up or sink, and when the floating or sinking force is not enough to push the spring, the rigidity that the box was held to matrix this moment, through the buoyancy size of adjusting buoyancy adjusting part in the different cultivation units of regulation, make the matrix of different cultivation units hold the box at the degree of depth diverse under water, thereby make the root position of dark rice also diverse, and dark rice is at the growth-in-process, the root of the different degree of depth can absorb the nitrogen phosphorus element of the different degree of depth in the aquatic, thereby reduce the growth of nitrogen phosphorus content in the different degree of depth aquatic and can promote dark rice, the problem of the nitrogen phosphorus pollution treatment difficulty of the different degree of depth in the water has effectively been solved, dark rice also can produce certain economic value simultaneously.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an ecological floating bed for treating nitrogen and phosphorus pollution in a water body based on deep rice planting.
Fig. 2 is a schematic diagram of a second embodiment of the ecological floating bed for treating nitrogen and phosphorus pollution in a water body based on deep rice planting.
FIG. 3 is a schematic top view of an ecological floating bed combination for treating nitrogen and phosphorus pollution in water based on deep rice planting according to the present invention.
Description of the element reference numerals
1. A frame; 11. a frame body; 12. a floating ball;
2. a cultivation unit; 21. a containment assembly; 211. an upper housing box; 212. a flexible mesh drum; 213. a substrate holding box; 22. a limiting component; 221. a guide sleeve; 222. a spring plate; 223. a slide plate; 224. a limiting block; 23. a buoyancy regulating assembly; 231. an air bag; 232. an air inlet pipe; 233. an exhaust pipe; 234. a first solenoid valve; 235. a second solenoid valve; 236; a baffle plate;
3. a dissolved oxygen component; 31; a first air pump; 32. a power source; 33. a solar charging panel; 34. a gas tank; 35. a second air pump; 36. a support rod.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1 to 3, the present invention provides an ecological floating bed for treating nitrogen and phosphorus pollution in a water body based on deep rice planting, comprising a frame 1 and a cultivation unit 2,
the frame 1 floats on the water surface, a plurality of cultivation holes are formed in the frame 1, the frame 1 is made of light plastics and the like, the frame 1 needs to have enough strength and buoyancy, the frame 1 comprises a frame body 11 and a plurality of floating balls 12, the frame body 11 can be a plastic plate, the frame body 11 can support a plurality of cultivation units 2, the floating balls 12 are located on the lower side of the frame body 11 and float on the water surface to support the frame body 11, the cultivation holes can be uniformly distributed on the frame body 11, the density of the cultivation holes is not too high, otherwise, the strength of the frame body 11 is not influenced, and too dense growth of deep rice is avoided;
a plurality of cultivation units 2, wherein the cultivation units 2 are used for cultivating deep rice, and a plurality of cultivation units 2 are arranged in the cultivation holes;
the cultivating unit 2 comprises a containing component 21, a limiting component 22 and a buoyancy regulating component 23,
the accommodating component 21 comprises an upper accommodating box 211, a flexible net cylinder 212 and a substrate accommodating box 213 which are vertically communicated, the upper accommodating box 211 is fixedly installed on the frame 1, the upper accommodating box 211 can be made of hard plastics and the like and can support deep-water rice seedlings and prevent the rice seedlings from toppling over, the upper end of the flexible net cylinder 212 is connected with the upper accommodating box 211, the lower end of the flexible net cylinder 212 is connected with the substrate accommodating box 213, two ends of the flexible net cylinder 212 are respectively fixedly connected with the upper accommodating box 211 and the substrate accommodating box 213, the flexible net cylinder 212 can be made of fishing nets and the like, the flexible net cylinder 212 needs to be extensible or contractible and a water body can penetrate through the flexible net cylinder 212 to enter the substrate accommodating box 213, so that the roots of the deep-water rice in the substrate accommodating box 213 can absorb nitrogen and phosphorus elements in the water, the substrate accommodating box 213 is located under the water, and the roots of the deep-water rice fixed in the substrate accommodating box 213 are always located, the substrate accommodating box 213 is used for accommodating a culture substrate, the culture substrate can fix the roots of the deep rice and cannot be scattered along with water, and the culture substrate can be a mixed material comprising pumice, ceramsite, diatomite, biochar and the like;
the position limiting assembly 22 is used for elastically supporting the substrate accommodating box 213, particularly for supporting and limiting the position of the substrate accommodating box 213 of the accommodating assembly 21 under water, the position limiting assembly 22 comprises a guide sleeve 221, a plurality of spring strips 222 and a sliding plate 223, the guide sleeve 221 is fixedly installed on the frame 1, the guide sleeve 221 is a hollow box-shaped member which is through from top to bottom, the guide sleeve 221 is fixed on the upper side of the frame 1 by bonding or other fixing methods, the number of the spring strips 222 is multiple, the spring strips 222 are connected with the guide sleeve 221 by bonding or screwing, etc., the shape of the spring strips 222 can be an L shape, one side of the L shape is fixed with the guide sleeve 221, the other end of the L shape is perpendicular to the moving direction of the sliding plate 223, the plurality of the spring strips 222 are all fixedly installed on the same side in the guide sleeve 221, the elasticity of the plurality of the spring strips 222 gradually increases from top to bottom, the distance between the spring strips 222 can be uniform, the upper end of the sliding plate 223 vertically penetrates through the guide sleeve 221, the sliding plate 223 can slide up and down in the guide sleeve 221, the lower end of the sliding plate 223 is fixed with the substrate accommodating box 213, the substrate accommodating box 213 moves up and down while the sliding plate 223 slides in the guide sleeve 221, the sliding plate 223 is fixedly provided with a limit block 224, the limit block 224 can fix the upper end of the sliding plate 223 through bonding or screwing and the like, the spring leaf 222 supports the limit block 224, the limit block 224 on the sliding plate 223 is contacted with the spring leaf 222 in the up and down sliding process of the sliding plate 223 in the guide sleeve 221, the elasticity of the spring leaf 222 supports the limit block 224, when the weight of the deep rice in the substrate accommodating box 213 at the lower end of the sliding plate 223 is gradually increased, the gravity borne by the sliding plate 223 is greater than the elasticity of the spring leaf 222, and the sliding plate 223 slides down to be supported, therefore, the substrate accommodating boxes 213 have different buoyancy, the corresponding spring strips 222 are different in downward force of the sliding plate 223, the substrate accommodating boxes 213 with different buoyancy are supported by the spring strips 222 with different elasticity to be limited, the distances of the spring strips 222 with different elastic strengths in the vertical direction are different, the depth of the different substrate accommodating boxes 213 under water is different, different depths of deep rice cultivation are realized, otherwise, when the substrate accommodating boxes 213 float upwards excessively, cultivation of deep rice with different depths can be realized by adjusting the buoyancy of the substrate accommodating boxes 213, and nitrogen and phosphorus elements can be absorbed by the roots of the deep rice at different depths under water;
the buoyancy adjusting component 23 is fixedly connected to the substrate accommodating box 213 and is located below the water surface, the buoyancy adjusting component 23 is used for adjusting the buoyancy of the cultivation unit 2 in the growth period of the deep rice, the buoyancy adjusting component 23 enables the substrate accommodating box 213 to float upwards or sink through adjusting the buoyancy, the floating upwards or sink process is limited by the spring leaf 222, and the buoyancy adjusting component 23 needs to adjust the depth of the substrate accommodating box 213 along with the increase of the weight of the deep rice in the growth process of the deep rice.
Referring to fig. 1 to 3, in this embodiment, the buoyancy adjusting assembly 23 includes an air bag 231, an air inlet pipe 232, an air outlet pipe 233, a first electromagnetic valve 234 and a second electromagnetic valve 235, the air bag 231 is fixed on the substrate accommodating box 213, a baffle 236 can also be fixed on the substrate accommodating box 213, the air bag 231 is located below the baffle 236 to prevent the air bag 231 from floating, the first electromagnetic valve 234 is used to control the on/off of the air inlet pipe 232, the second electromagnetic valve 235 is used to control the on/off of the air outlet pipe 233, the air inlet pipe 232 and the air outlet pipe 233 are both connected to the air bag, the outlet of the air outlet pipe 233 can be located under water, oxygen in the exhausted air can be dissolved in water to increase the oxygen content in water, which is beneficial to the growth of deep rice, when the weight of the substrate accommodating box 213 increases or rises, it is necessary to inflate the, vice versa, the control solenoid valves may be wireless controlled and the controller may be mounted on the frame 1 so that the operator can operate the control remotely or the controller automatically.
Referring to fig. 1 to 3, in the embodiment, the spring strips 222 with the same elastic strength in different cultivation units 2 have the same vertical distance, the on-off of the air inlet pipe 232 is controlled by adjusting a first electromagnetic valve 234, so that the volumes of the air in the air bags 231 are different, the air bag 231 is inflated by controlling the on-off control of the first electromagnetic valve 234, so that the volumes of the air in the air bag 231 are different, the buoyancy of the substrate accommodating box 213 and the sliding plate 223, which are fixedly connected with the air bag 231, is different, and the different buoyancy causes the limiting block 224 on the sliding plate 223 to be supported by the spring piece 222 with different elastic strength, and the spring leaf 222 is vertically and evenly distributed in the guide sleeve 221, so that the depth of the substrate accommodating box 213 at the lower end of the sliding plate 223 is different underwater, the depth of the root of the deep rice is different, and the deep rice can absorb nitrogen and phosphorus elements at different underwater depths.
Referring to fig. 1 to 3, in the embodiment, the spring strips 222 with the same elastic strength in different cultivation units 2 have different vertical distances, the on-off of the air inlet pipe 232 is controlled by adjusting the first electromagnetic valve 234, so that the volumes of the air in the air bags 231 are the same, all the volumes of the air in the air bags 231 are the same, the buoyancy of the substrate accommodating boxes 213 of all the cultivation units 2 is the same, the stopper 224 of the corresponding slide plate 223 is supported by the spring plate 222 of the same elastic strength, the spring strips 222 with the same elastic strength have different vertical distances in the guide sleeve 221, the limiting block 224 on the sliding plate 223 is supported by the spring strips 222 with the same elastic strength and different heights, the depth of the substrate accommodating box 213 at the lower end of the sliding plate 223 is inconsistent underwater, the depth of the root of the deep rice is different, and the deep rice can absorb nitrogen and phosphorus elements with different underwater depths.
Referring to fig. 1 to 3, in the present embodiment, the oxygen dissolving module 3 is further included, the oxygen dissolving module 3 is installed on the frame 1, the dissolved oxygen component 3 is used for increasing the dissolved oxygen amount in water, the dissolved oxygen component 3 comprises a first air pump 31 and a power supply 32, the first air pump 31 and the power supply 32 are both fixedly mounted on the frame 11, the first air pump 31 is used for pumping air into water, the first air pump 31 can be intermittent, if the air is pumped once or twice a day without working all the time, the air outlet of the first air pump 31 is positioned below the water surface, the air is pumped into the water, the contact area between the oxygen in the air and the water body is increased, more oxygen is dissolved into the water, the roots of the deep rice can absorb more oxygen to facilitate the growth of the deep rice, the power supply 32 is used for supplying energy to the first air pump 31, and the power supply can be a storage battery or a lithium battery and the like.
Referring to fig. 3, in the embodiment, the dissolved oxygen assembly 3 further includes a plurality of solar charging panels 33, the plurality of solar charging panels 33 are vertically and uniformly installed on the frame 1, the area of the solar charging panels 33 cannot be too large to affect the illumination of rice, and the solar charging panels 33 are easily damaged when wind blows, the plurality of solar charging panels 33 can be uniformly distributed around the frame 1, the plurality of solar charging panels 33 are used for charging the power supply 32, the solar charging panels 33 are added to avoid the need of separately charging an air pump or other components, and the difficulty of manual operation is simplified.
Referring to fig. 1 to 3, in the present embodiment, the dissolved oxygen module 3 further includes an air tank 34 and a second air pump 35, the air tank 34 and the second air pump 35 are also installed on the frame 11, the second air pump 35 is used for pumping air into the air tank 34, the air tank 34 is connected to the plurality of air inlet pipes 232, so that the air tank 34 can simultaneously inflate all the air bags 231, the air inlet pipes 232 are controlled by the first electromagnetic valve 234 to be turned on and off during inflation, the air tank 34 inflates the plurality of air bags 231 through the plurality of air inlet pipes 232, an external air tank 34 is not needed, and the second air pump 35 may also be connected to the power supply 32, and no separate power supply is needed.
Referring to fig. 1 to 3, in the present embodiment, when a plurality of ecological floating beds are combined, the ecological floating bed with the dissolved oxygen module 3 is located in the middle, a plurality of ecological floating beds without the dissolved oxygen module 3 are located around the ecological floating bed with the dissolved oxygen module 3, after the first air pump 31 of the dissolved oxygen component 3 pumps air into water, the dissolved oxygen content in the water around the air pumping point is larger, a plurality of ecological floating beds are arranged around the water to better utilize the dissolved oxygen content in the water, the ecological floating beds are connected through the supporting rod 36, the supporting rod 36 is connected with and supports the ecological floating beds, so that the positions of the ecological floating beds are relatively fixed, the growth of deep rice is facilitated, a plurality of combined ecological floating beds are arranged in a water body with serious nitrogen and phosphorus pollution, the water body pollution can be effectively treated through nitrogen and phosphorus elements absorbed by the roots of rice, and the deep rice planting can generate higher economic value compared with landscape plants when the deep rice is harvested.
Referring to fig. 1 to 3, in the embodiment, the frame 1 includes a frame 11 and floating balls 12, the floating balls 12 are located at a lower side of the frame 11, the floating balls 12 are used for increasing buoyancy of the ecological floating bed, the frame 11 may be a plastic plate, the frame 11 has sufficient strength and buoyancy, the frame 11 can support a plurality of cultivation units 2, the floating balls 12 are located at a lower side of the frame 11 and float on the water surface to support the frame 11, the cultivation holes may be uniformly distributed on the frame 11, the density of the cultivation holes is not too high, otherwise, the strength of the frame 11 is affected, and too dense growth of deep rice is avoided.
In this embodiment, still be equipped with the anchor on the frame 1, the anchor is used for fixing ecological bed of floating, and the anchor lower extreme is located submarine, and the length of rope or iron chain on the anchor will be greater than the depth of water for the anchor can be fixed ecological bed of floating at the within range of the surface of water, avoids ecological bed of floating to the bank at the surface of water, is blocked sunshine or is damaged.
In summary, in the present invention, the frame 1 floats on the water body with serious nitrogen and phosphorus pollution, a plurality of cultivation holes are uniformly distributed on the frame 1, each cultivation hole is correspondingly provided with one cultivation unit 2, the accommodating box of the cultivation unit 2 is connected with the substrate accommodating box 213 through the flexible net tube 212, so that the substrate accommodating box 213 for fixing the deep rice root can float up and down within the length range of the flexible net tube 212, the guide sleeve 221 of the limiting component 22 is fixedly connected with the frame 1, the sliding plate 223 is fixedly connected with the substrate accommodating box 213, the sliding plate 223 can slide in the guide sleeve 221 and limit the sliding of the sliding plate 223 through the elastic force generated by the contact of the spring leaf 222 and the limiting block 224, the limiting component 22 can limit the depth of the substrate accommodating box 213 under water, the buoyancy regulating component 23 is fixedly connected to the outer side of the substrate accommodating box 213, the buoyancy of the buoyancy regulating component 23 can be adjusted to enable the buoyancy of the substrate accommodating box, at during stopper 224 promotion spring leaf 222 on the in-process come-up or sunken of come-up or sunken, the matrix holds the rigidity of box 213 this moment, through the buoyancy size of buoyancy adjusting part 23 in adjusting different cultivation units 2, make the matrix of different cultivation units 2 hold the box 213 in the degree of depth diverse under water, thereby make the root position of dark rice also diverse, and dark rice is at the growth-in-process, the root of the different degree of depth can absorb the nitrogen phosphorus element of the different degree of depth in the aquatic, thereby reduce the growth of different degree of depth aquatic nitrogen phosphorus content and can promote dark rice, the problem of the nitrogen phosphorus pollution processing difficulty of the different degree of depth in the water has effectively been solved, dark rice also can produce certain economic value simultaneously. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an ecological bed that floats based on dark rice planting is administered water nitrogen phosphorus and is polluted which characterized in that includes:
the frame floats on the water surface, and a plurality of cultivation holes are formed in the frame;
the cultivation units are used for cultivating deep rice, the number of the cultivation units is multiple, and the cultivation units are all installed in the cultivation holes;
the cultivation unit comprises an accommodating component, a limiting component and a buoyancy regulating component,
the accommodating assembly comprises an upper accommodating box, a flexible net cylinder and a substrate accommodating box which are vertically communicated, the upper accommodating box is fixedly arranged on the framework, the upper end of the flexible net cylinder is connected with the upper accommodating box, the lower end of the flexible net cylinder is connected with the substrate accommodating box, the substrate accommodating box is positioned under water, and the substrate accommodating box is used for accommodating a culture substrate;
the limiting assembly is used for elastically supporting the substrate accommodating box and comprises a plurality of guide sleeves, spring pieces and a sliding plate, the guide sleeves are fixedly arranged on the framework, the number of the spring pieces is multiple, the spring pieces are all fixedly arranged on the same side in the guide sleeves, the elasticity of the spring pieces is gradually increased from top to bottom, the upper end of the sliding plate vertically penetrates through the guide sleeves, the lower end of the sliding plate is fixed with the substrate accommodating box, a limiting block is fixedly arranged on the sliding plate, and the spring pieces support the limiting block;
the buoyancy adjusting component is fixedly connected to the substrate containing box and located below the water surface, and is used for adjusting the buoyancy of the cultivation unit in the growth period of the deep rice.
2. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 1, is characterized in that: the buoyancy adjusting assembly comprises an air bag, an air inlet pipe, an exhaust pipe, a first electromagnetic valve and a second electromagnetic valve, the air bag is fixed on the substrate containing box, the first electromagnetic valve is used for controlling the on-off of the air inlet pipe, and the second electromagnetic valve is used for controlling the on-off of the exhaust pipe.
3. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 2, is characterized in that: the spring pieces with the same elastic strength in different cultivation units are same in vertical distance, and the air inlet pipes are controlled to be switched on and off by adjusting the first electromagnetic valves, so that the volumes of the air in the air bags are different.
4. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 2, is characterized in that: the spring pieces with the same elastic strength in different cultivation units are different in vertical distance, and the air inlet pipes are controlled to be switched on and off by adjusting the first electromagnetic valves, so that the volumes of the air in the air bags are the same.
5. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 2, is characterized in that: still include dissolved oxygen subassembly, the dissolved oxygen unit mount is in on the frame, the dissolved oxygen subassembly is used for the dissolved oxygen volume of increase aquatic, the dissolved oxygen subassembly includes first air pump and power, first air pump with the equal fixed mounting of power is in on the frame, first air pump is used for to aquatic pump gas, the power be used for to first air pump provides the energy.
6. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 5, is characterized in that: the dissolved oxygen subassembly still includes a plurality of solar charging panel, and is a plurality of the vertical equipartition of solar charging panel is installed on the frame, and is a plurality of the solar charging panel is used for to the power charges.
7. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 5, is characterized in that: the dissolved oxygen assembly further comprises a gas tank and a second gas pump, the second gas pump is used for pumping air into the gas tank, the gas tank is connected with the plurality of gas inlet pipes, and the gas tank is used for inflating the gas bags through the plurality of gas inlet pipes.
8. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 4, is characterized in that: when the plurality of ecological floating beds are combined, the ecological floating bed with the dissolved oxygen component is positioned in the middle, the plurality of ecological floating beds without the dissolved oxygen component are positioned around the ecological floating bed with the dissolved oxygen component, and the plurality of ecological floating beds are connected through the support rods.
9. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 1, is characterized in that: the frame includes framework and floater, the floater is located the framework downside, the floater is used for increasing ecological buoyancy of floating the bed.
10. The ecological floating bed for treating nitrogen and phosphorus pollution of water bodies based on deep rice planting according to claim 1, is characterized in that: the frame is further provided with an anchor, and the anchor is used for fixing the ecological floating bed.
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