CN212260172U - Upright post type fish and vegetable symbiotic system - Google Patents
Upright post type fish and vegetable symbiotic system Download PDFInfo
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- CN212260172U CN212260172U CN202021638736.9U CN202021638736U CN212260172U CN 212260172 U CN212260172 U CN 212260172U CN 202021638736 U CN202021638736 U CN 202021638736U CN 212260172 U CN212260172 U CN 212260172U
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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 discloses a column-type fish-vegetable symbiotic system, wherein a round of hollow planting columns are arranged on the mouth of a culture pond, planting cups are distributed on the side wall of the planting columns, a nitration device comprises a nitration tank, the bottom of the nitration tank is provided with a water inlet pipe, a blow-off pipe and an oxygenation pipe, the water inlet pipe is connected with a water outlet at the bottom of the culture pond, the upper part in the nitration tank is provided with a membrane type filter bag, and a purified water outlet pipe extends into the membrane type filter bag; all pack in planting the stand, in the nitration tank and the membrane type filtration bag and hang the membrane filler, the water that the water purification outlet pipe came out gets into from the top of planting the stand and plants the stand, and the bottom of planting the stand is provided with the stand outlet pipe, and the play water of this stand outlet pipe gets back to breeding the pond. Can realize that the ammonia nitrogen and the nitrous acid in the culture water are converted into nitrate which is easy to be absorbed by plants and has little harm to fishes, thereby realizing the virtuous cycle of seed culture, and has the advantages of high oxygen utilization rate, less power consumption, small occupied area, high space utilization rate and simple equipment.
Description
Technical Field
The utility model relates to a stand type fish-vegetable intergrowth system belongs to kind aquaculture equipment field.
Background
With the development of social economy and the improvement of the living standard of people, the demand of consumers on aquatic products is gradually improved in quality and quantity, and the aquaculture industry in China also tends to develop rapidly, but the traditional aquaculture industry generates a large amount of aquaculture wastewater, the water quality of aquaculture water needs to be ensured by a water changing mode, so that the water resource is wasted, and the water body pollution is caused. The fish and vegetable symbiotic system which is harmless and can self-certify that the fish culture does not change water and plant vegetables, not only solves the problems of culture water pollution and waste of water resources, but also produces a plurality of organic foods such as various ecological fishes and vegetables, enriches the cabbage seeds of people, and ensures the food safety of people.
In order to realize reasonable combination and large-scale planting and breeding of fish and vegetables, it is common practice to separate a fish pond and a cultivation area. The fish-vegetable symbiotic system can be divided into substrate cultivation, floating raft cultivation (or floating bed cultivation), nutrient membrane pipeline cultivation and air fog cultivation according to the arrangement of cultivation vegetable planting areas, wherein the nutrient membrane pipeline cultivation is to cultivate target plants in a planting cup of a vertical pipe, water in a cultivation pool is pumped into a pipeline, roots of the plants can fully absorb nutrition and moisture from the cultivation pool, oxygen in air can be dissolved in a water film in the flowing process for plants and microorganisms to use, and purified water returns to the cultivation pool.
Patent document No. 201710536202.1 discloses a fish-vegetable symbiotic three-dimensional cultivation system, which effectively increases the unit plantable area by making full use of the position, but does not consider NH in the cultivation water3-N and NO2-The influence of-N on fish, it is difficult to ensure long-term virtuous cycle of the system. The utility model patent No. 201420855362.4 and the patent document No. 201410839131.9 disclose a fish and vegetable symbiotic system and a method for controlling the use thereof, which can better realize the nitrification of aquaculture water through an anaerobic mineralization pond, an aerobic mineralization pond and a mobile biofilm reactor, and ensure that the water quality obtains virtuous cycle, but have the defects of complex system composition, low oxygen utilization rate, long flow path, large power consumption and the like. Patent document No. 201910676699.6 discloses a fish and plant symbiotic system, which can ensure the safety of water quality by the functional partition of a water quality treatment unit, but has a long sewage treatment process, a large number of tanks and a complex composition, and the nitrification function of a nitrification device is difficult to fully exert because the water flow of the nitrification device is from top to bottom, the hydraulic retention time is short, and no filler allows nitrobacteria to adhere and grow.
Some current fish and vegetable symbiotic systems (or devices) focus on improving planting density, but neglect the requirement of water quality treatment; some consider the requirement of water quality treatment, but have the disadvantages of complex system composition, low oxygen utilization rate, long flow path and the like. Meanwhile, more and more families with stronger health consciousness are provided, so that a fish and vegetable symbiotic system which is small in occupied area, simple in composition, complete in nitrification, sufficient in oxygen utilization, high in space utilization rate and extremely high in ornamental value is urgently needed to be developed.
In order to ensure the virtuous cycle of the fish and vegetable symbiosis system, the water treatment device is very important. The ammonia is discharged from the fish through the branchia, the fish feces is discharged through the digestion system, the residual fish feed and the like can deteriorate the water quality, the survival and the propagation of the fish are not facilitated, particularly, pollutant ammonia and nitrite can generate toxic action on the fish, so that a symbiotic system with a nitrification system needs to be developed to convert the ammonia and nitrite in the culture water into nitrate which is easy to be absorbed by plants and has small harm to the fish, and further virtuous cycle is realized.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a column type fish-vegetable intergrowth system, area is little, and space utilization is high, can realize that ammonia nitrogen and nitrous acid in the culture water turn into easily by the plant absorb and to the little nitrate of fish harm, and then realize virtuous circle, oxygen utilization is high.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a stand type fish-vegetable intergrowth system, is including breeding the pond be provided with the hollow planting stand of round on breeding the pool mouth in pond, it has planting cup to plant to distribute on the lateral wall of stand, plants in planting the root system of the plant in planting cup can stretch to plant in the stand, its characterized in that: the device comprises a nitrification tank, a water inlet pipe, a blow-off pipe and an oxygenation pipe are arranged at the bottom of the nitrification tank, the oxygenation pipe is connected with an oxygenation pump, the water inlet pipe is connected with a water outlet at the bottom of a culture pond, a membrane type filter bag is arranged at the upper part in the nitrification tank, and a purified water outlet pipe extends into the membrane type filter bag; the water purification water outlet pipe is connected with an annular branch pipe below the planting upright posts, and the annular branch pipe is provided with a spray branch pipe corresponding to each planting upright post; the spraying branch pipe penetrates from bottom to top from the center of the bottom of the planting upright post to reach the top; the top of the spraying branch pipe is connected with the spraying head, the planting stand column, the nitrification tank and the membrane type filtering bag are filled with the biofilm culturing filler, water coming out of the water purifying outlet pipe is sprayed to the biofilm culturing filler of the planting stand column from the top of the planting stand column through the annular branch pipe and the spraying branch pipe, the bottom end of the planting stand column is provided with a stand column outlet pipe, and the outlet water of the stand column outlet pipe returns to the culture pond.
In the scheme, the membrane type filtering bag is internally provided with the submersible pump, and the submersible pump is connected with the purified water outlet pipe. The submersible pump may also be mounted on the water inlet pipe.
When the device is in normal operation, the water in the culture pond is filled with water under the action of gravity, a valve on the water inlet pipe is opened, a submersible pump and an oxygenation pump in the membrane type filter bag are started, a valve on the sewage discharge pipe is closed, the water outlet of the nitrification device enters the planting upright post from the top end of the planting upright post through a water purification water outlet pipe under the action of the submersible pump and flows downwards from the top end of the planting upright post, one part of the water is delivered to the planting cup, the other part of the water continues to be nitrified under the action of nitrobacteria on the upright post, and the oxygen can be reoxygena. The treated water (the treated water after degradation and nitrification) which is treated by microorganisms such as nitrifying bacteria and the like attached to the filler in the nitrification device and the planting upright post and the plant purification effect returns to the culture pond through the upright post water outlet pipe. In the whole operation process, water in the culture pond flows in a vortex mode under the action of the submersible pump and the airflow, and meanwhile fish manure and residues in the culture pond enter the nitrification device and the planting upright posts along with water flow to be treated and circulated.
The purified water is sprayed into the planting upright post through the spray header, so that the flowing water can uniformly flow down from the planting upright post. Ensuring each plant to fully absorb the nutrients.
When the sewage is discharged, the submersible pump, the oxygenation pump and the valve on the water inlet pipe are closed, the sewage discharge pipe is opened, and the biomembrane, the residue and the like falling off from the nitrification device are discharged under the gravity of water.
In the scheme, the film forming filler is a polyhedral porous hollow sphere plastic filler. The density is small, the weight is light, not only the environment is provided for the growth and interception of nitrobacteria, but also the oxygen bubbles can be cut, the formation of water flow turbulence is facilitated, the mass transfer of oxygen and nutrients is enhanced, and the exertion of the nitrification function is ensured.
In the scheme, the height of the planting upright is less than or equal to 1.5 m.
In the scheme, the membrane type filtering bag is internally provided with the submersible pump, and the submersible pump is connected with the purified water outlet pipe.
In the above scheme, the nitrification tank and the planting columns are both made of non-light-transmitting materials, and the top end of the nitrification tank is provided with the sealing cover. The nitrifying bacteria is made of non-light-transmitting materials, so that the nitrifying bacteria can grow well and are prevented from being influenced by light. The filter screen is installed to the upper end export of nitration jar, prevents that the filler from running off.
In the scheme, the nitration tank sequentially comprises a tank opening part, a truncated cone-shaped tank shoulder part, a cylindrical tank body part and a conical tank bottom part from top to bottom.
In the above scheme, the tank bottom of the nitrification tank is provided with the water inlet and outlet, the water inlet and outlet is provided with the water inlet and outlet main pipe, and the water inlet pipe, the blow-off pipe and the oxygenation pipe are all connected with the water inlet and outlet main pipe. The space is saved, and the pipeline arrangement is convenient.
In the above scheme, the nitrification device is supported and installed through the bottom bracket.
In the above scheme, the delivery port setting of breeding the pond is in the bottom of the pool center, breed the bottom of the pool and nitrify the bottom inlet and outlet elevation of device the same height, all be provided with the valve on inlet tube and the blow off pipe. The top of the nitrification device is higher than the top of the culture pond by at least 5cm, so that the water in the culture pond can enter the nitrification device under the action of gravity and cannot overflow.
Has the advantages that: the utility model discloses a column type fish-vegetable intergrowth system can realize turning into the easy nitrate that is absorbed by the plant and is little to fish harm with the ammonia nitrogen and the nitrous acid of breeding aquatic, and then realizes the virtuous circle of kind breed culture, and oxygen utilization ratio is high, consumption of power is few, and area is little, and space utilization is high, and equipment is simple, is fit for extensive the popularization.
Drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is an elevation view (nitrification apparatus sewage discharge state).
FIG. 3 is a vertical view (operation state)
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
The culture pond 1 is cylindrical, so as to be beneficial to collecting fish manure and residues, the bottom of the culture pond 1 can be designed to be conical, and the center of the bottom of the culture pond is provided with a water outlet.
A circle of hollow planting columns 2 are uniformly arranged on the mouth of the culture pond 1, the number of the planting columns can be adjusted according to the amount of water, and the optimal fish-vegetable proportion can be achieved as far as possible. In order to ensure that fish and vegetables exist in the fish and vegetable symbiotic system, at least one kind of fish is cultured in the culture pond 1, and at least one kind of plant is cultured in the planting upright post 2.
In order to fully utilize space, control power consumption and facilitate the picking of planted plants, the height of the planting upright post 2 is less than or equal to 1.5 m. Planting cups 3 are arranged on the side wall of the planting upright post 2 at equal height and equal distance. The root system of the plant planted in the planting cup 3 can extend into the planting upright post 2. So as to fully ensure that the plants can fully absorb the nutrient solution in the planting cup.
The nitrifying device is arranged beside the culture pond 1 and supported and installed through a bottom bracket 17. The bottom of the culture pond 1 is as high as the water inlet and outlet elevation at the bottom of the nitrification device, and the top end of the nitrification device is at least 5cm higher than the top end of the culture pond. The nitrification device comprises a nitrification tank 4, the nitrification tank 4 is sequentially provided with a tank opening part, a circular truncated cone-shaped tank shoulder part, a cylindrical tank body part and a conical tank bottom part from top to bottom, and the tank opening part is cylindrical. The bottom of the nitrification tank 4 is provided with a water inlet pipe 5, a blow-off pipe 6 and an oxygenation pipe 7. Preferably, the bottom of the nitrification tank 4 is provided with a water inlet and outlet, a water inlet and outlet main pipe 16 is arranged on the water inlet and outlet, and the water inlet pipe 5, the sewage discharge pipe 6 and the oxygenation pipe 7 are all connected with the water inlet and outlet main pipe 16. The water inlet pipe 5 and the sewage draining pipe 6 are both provided with valves 18. The oxygenation pipe 7 is connected with an oxygenation pump 8, the water inlet pipe 5 is connected with a water outlet at the bottom of the culture pond 1, the membrane type filter bag 9 is arranged at the upper part in the nitrification tank 4, and the purified water outlet pipe 10 extends into the membrane type filter bag 9. A submersible pump 13 is arranged in the membrane type filter bag 9, and the submersible pump 13 is connected with a purified water outlet pipe 10.
The nitrification tank 4 and the planting upright post 2 are both made of non-light-transmitting materials, such as PVC and the like. The adverse effect of light on nitrifying bacteria is reduced, and the top end of the nitrification tank 4 is provided with a sealing cover. Film-forming fillers 11 are filled in the planting upright posts 2, the nitrification tank 4 and the membrane type filter bag 9, and the film-forming fillers 11 are multi-surface porous hollow sphere plastic fillers.
The water that the water purification outlet pipe 10 came out gets into planting stand 2 from the top of planting stand 2, is provided with stand outlet pipe 12 on the bottom of planting stand 2 nears the limit, and the play water of this stand outlet pipe 12 gets back to and breeds pond 1. Preferably, a spray head 14 is arranged at the top part in each planting upright 2, and the spray head 14 can be a shower head, so that water can uniformly flow down from the planting upright 2 and supply plants in the planting cups 3 around the planting upright 2 for growing. The water purification outlet pipe 10 is located the side of planting stand 2 below, links to each other with planting stand 2 below ring branch 15, corresponds every planting stand on the ring branch 15 and sets up spray branch, and spray branch passes from supreme down from planting stand bottom center and reaches the top, and spray branch's top links to each other with shower head 14. The water from the purified water outlet pipe 10 is sprayed on the film-hanging filler 11 of the planting upright 2 from the top of the planting upright 2 through the annular branch pipe 15 and the spraying branch pipe. The upright column water outlet pipe 12 is spaced from the annular branch pipe 15 by a certain distance.
When the nitrifying device is in normal operation, the water in the culture pond is filled under the action of gravity, the valve 18 on the water inlet pipe 5 is opened, the submersible pump 13 and the oxygenation pump 8 in the membrane type filter bag 9 are started, the valve 18 on the drain pipe 6 is closed, the effluent of the nitrifying device uniformly flows downwards from the top end of the planting upright post 2 through the water purification outlet pipe 10, the annular branch pipe 15 and the spray header under the action of the submersible pump 13, part of the effluent is sent to the planting cup 3, and nutrient substances such as NO in the water flow3 -N is absorbed and utilized by plants to purify water flow, and part of the water flow continues to be nitrified under the action of nitrifying bacteria on the upright posts and also continues to be nitrifiedCan be reoxygenated by air, thereby saving the energy consumption of oxygenation. The treated water (the treated water after degradation and nitrification) purified by microorganisms such as nitrifying bacteria and the like and plants attached to the filler in the planting upright 2 and the nitrification device returns to the culture pond 1 through an upright water outlet pipe 12 at the bottom of the planting upright 2. In the whole operation process, the water in the culture pond 1 flows in a vortex mode under the action of the submersible pump 13 and the airflow, and meanwhile, the fish manure and the residues in the culture pond 1 enter the nitrification device 2 and the planting upright posts 2 along with the water flow for treatment and circulation.
When in pollution discharge, the submersible pump 13, the oxygenation pump 8 and the valve 18 on the water inlet pipe 5 are closed, the valve on the pollution discharge pipe is opened, and the biomembrane, the residue and the like falling off from the nitrification device are discharged under the gravity of water.
The experimental culture pond 1 is 2100mm in diameter and 1300mm in height. Nitration jar 4 diameter 760mm, the high 920mm of jar body part, jar shoulder part height 130mm, jar mouth portion diameter is 360cm, the jar bottom is high 200mm, it is little to pack density in the nitration device, light in weight, directly be 50 mm's PP multiaspect clean shot plastic filler, the installation is fixed with diameter D360mm, high 500 mm's membrane type filter bag, and pack in the bag and pack density little, light in weight, diameter is 50 mm's PP multiaspect clean shot plastic filler, 8 planting stands have been set up on circular breed pond 1's the above circumference, its diameter is 200mm, high 1280 mm. The pipes and valves are installed according to the above. The submersible pump is an LX-95W circulating pump, the aerator is D0-90218W, and the gas production rate is 25L/min.
When the nitrification device is in initial operation, the nitrification device is filled with water, the LX-95W circulating pump and the oxygenation pump in the membrane type filtering bag are started, the valve on the water inlet pipe is opened, and the valve on the sewage discharge pipe is closed. During the first 1 week, water quality monitoring indicated NH3-N、NO2-N-Some accumulation of NH3the-N concentration is accumulated even to about 0.3mg/L, the feeding of fish food is reduced, the aeration rate is increased for about 1 week, the original feeding and aeration rate is recovered for about 1 week, the DO is always kept at about 3mg/L during the period, the operation is repeated for 3 cycles (total 42 days), and NH in the culture pond3-N、NO2-N-And NO3-N-The concentrations are respectively 0.05-0.1mg/L, 0.05-0.1mg/L and 3-40mg/L, so that the whole fish and vegetable symbiosis is realizedThe system operates normally and reaches a balanced and stable state. According to the change of the running power of the circulating pump, the sewage is discharged for 1 time about every 30d, namely, the valves on the circulating pump, the oxygenation pump and the water inlet branch pipe are closed, the valve on the water discharge branch pipe is opened, and the biomembrane, the residue and the like falling off in the nitrification device are discharged under the gravity of water.
The present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a stand type fish-vegetable intergrowth system, is including breeding the pond be provided with the hollow planting stand of round on breeding the pool mouth in pond, it has planting cup to plant to distribute on the lateral wall of stand, plants in planting the root system of the plant in planting cup can stretch to plant in the stand, its characterized in that: the device comprises a nitrification tank, a water inlet pipe, a blow-off pipe and an oxygenation pipe are arranged at the bottom of the nitrification tank, the oxygenation pipe is connected with an oxygenation pump, the water inlet pipe is connected with a water outlet at the bottom of a culture pond, a membrane type filter bag is arranged at the upper part in the nitrification tank, and a purified water outlet pipe extends into the membrane type filter bag; the water purification water outlet pipe is connected with an annular branch pipe below the planting upright posts, and the annular branch pipe is provided with a spray branch pipe corresponding to each planting upright post; the spraying branch pipe penetrates from bottom to top from the center of the bottom of the planting upright post to reach the top; the top of the spraying branch pipe is connected with the spraying head, the planting stand column, the nitrification tank and the membrane type filtering bag are filled with the biofilm culturing filler, water coming out of the water purifying outlet pipe is sprayed to the biofilm culturing filler of the planting stand column from the top of the planting stand column through the annular branch pipe and the spraying branch pipe, the bottom end of the planting stand column is provided with a stand column outlet pipe, and the outlet water of the stand column outlet pipe returns to the culture pond.
2. The post-type fish-vegetable symbiotic system according to claim 1, wherein: the film-forming filler is a multi-surface porous hollow sphere plastic filler.
3. The post-type fish-vegetable symbiotic system according to claim 1, wherein: the height of the planting upright post is less than or equal to 1.5 m.
4. The post-type fish-vegetable symbiotic system according to claim 1, wherein: and a submersible pump is arranged in the membrane type filtering bag and is connected with a purified water outlet pipe.
5. The post-type fish-vegetable symbiotic system according to any one of claims 1 to 4, wherein: the nitrification tank and the planting stand columns are both made of non-light-transmitting materials, and a filter screen is installed at an outlet at the upper end of the nitrification tank.
6. The post-type fish-vegetable symbiotic system according to claim 5, wherein: the nitrification tank comprises a tank opening part, a circular truncated cone-shaped tank shoulder part, a cylindrical tank body part and a conical tank bottom part from top to bottom in sequence.
7. The post-type fish-vegetable symbiotic system according to claim 6, wherein: the tank bottom of the nitrification tank is provided with a water inlet and outlet, a water inlet and outlet main pipe is arranged on the water inlet and outlet, and the water inlet pipe, the blow-off pipe and the oxygenation pipe are all connected with the water inlet and outlet main pipe.
8. The post-type fish-vegetable symbiotic system according to claim 7, wherein: the nitrifying device is supported and installed through a bottom bracket.
9. The post-type fish-vegetable symbiotic system according to claim 8, wherein: the delivery port setting of breeding the pond is at the bottom of the pool center, breed the bottom of the pool and nitrify the bottom inlet and outlet elevation of device the same height, all be provided with the valve on inlet tube and the blow off pipe.
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| CN111820178A (en) * | 2020-08-07 | 2020-10-27 | 重庆科技学院 | Upright post type fish-vegetable symbiotic system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111820178A (en) * | 2020-08-07 | 2020-10-27 | 重庆科技学院 | Upright post type fish-vegetable symbiotic system |
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