CN113692971B - Vegetable planting system based on biogas slurry purification - Google Patents
Vegetable planting system based on biogas slurry purification Download PDFInfo
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Images
Classifications
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- A—HUMAN NECESSITIES
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0094—Animal shelters or barns especially adapted for keeping horses
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/15—Leaf crops, e.g. lettuce or spinach
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
- A01G31/06—Hydroponic culture on racks or in stacked containers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/01—Removal of dung or urine, e.g. from stables
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- A—HUMAN NECESSITIES
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K29/00—Other apparatus for animal husbandry
- A01K29/005—Monitoring or measuring activity, e.g. detecting heat or mating
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F3/28—Anaerobic digestion processes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of vegetable planting systems, and particularly discloses a vegetable planting system based on biogas slurry purification. The livestock breeding is managed through the breeding system, biogas slurry generated by the livestock breeding is provided for the planting production system to be used for planting and producing vegetables through the biogas slurry processed by the pollutant processing system, the planting production system can purify the biogas slurry to form purified water for recycling, the whole planting and breeding combination system supports each other, the technical problem that the feces pollutants generated by the current breeding industry are insufficiently processed or utilized is solved, the technical problem that chemical fertilizers of the planting production system are excessively used is solved, resources in the whole planting system are repeatedly recycled, processed and reused, the whole production activity is intelligently managed, and the economic benefits of agriculture and the breeding industry are greatly improved.
Description
Technical Field
The invention relates to the technical field of vegetable planting systems, in particular to a vegetable planting system based on biogas slurry purification.
Background
A large amount of organic wastes (such as livestock and poultry manure, industrial sludge, kitchen garbage and the like) are subjected to anaerobic fermentation, and then the fermented products are returned to a soil ecosystem as fertilizers to be a main means adopted by various countries in the world for treating wastes.
Garbage and pollutants are misplaced resources, and are the problem of treating the pollutants on the basis of full utilization of the resources, but the current environment is more mainly treated on the basis of reaching the standard, particularly the treatment on agricultural pollutants, and the non-point source pollution reduction of the agriculture and the breeding industry, so that a 'planting and breeding combined' mode which combines the breeding industry and the planting industry is necessarily formed, the total amount of manure generated by the breeding industry is returned to the field, and the abuse condition of chemical fertilizers in the planting industry is reduced. Based on the reason, this application provides a vegetable planting system based on natural pond liquid purifies.
Disclosure of Invention
The embodiment of the application provides a vegetable planting system based on biogas slurry purification, realizes the recycling of fecaluria pollutants generated by aquaculture, provides a fertilizer required for planting for the aquaculture, reduces the use of the aquaculture to chemical fertilizers, simultaneously provides purification treatment for the fecaluria pollutants generated by the aquaculture, realizes complementation by combining the aquaculture system and the planting system, and improves agricultural economic benefit.
The embodiment of the application provides a vegetable planting system based on biogas slurry purification, including the farming systems who is used for the wisdom breed of domestic animal and management, the planting production system who is used for planting and production of vegetables and the pollutant processing system who is used for retrieving the processing and recycling of all kinds of pollutants that produce in farming systems and the production activity of planting production system.
Furthermore, the culture system comprises a culture farm base, a culture farm monitoring system, a feed mixing system, a water using system and a flushing and cleaning system;
the farm base is used for breeding livestock;
the system comprises a farm monitoring system, a gas monitoring system and a room temperature online monitoring system, wherein the gas monitoring system is used for monitoring the content of harmful gas in a farm base, and the room temperature online monitoring system is used for monitoring the temperature change of the farm base in real time;
the feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts the mixing of main materials and fermented feed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system;
the water system is used for providing water required by cultivation for the base of the farm, and also comprises a water temperature adjusting system;
the flushing and cleaning system is used for flushing and cleaning excrement in the farm base, and water adopted by the system is purified water and/or clear water.
Further, the pollutant treatment system comprises an excrement and urine collection system, a biogas slurry fermentation system, a biogas utilization system, a biogas slurry collection tank and a biogas residue treatment system;
the excrement and urine collecting system also comprises a collecting and mixing pool, wherein the collecting and mixing pool is used for collecting excrement and urine generated by a farm base, and the adopted collecting mode is full-scale non-separation collecting;
the biogas slurry fermentation system comprises a fermentation tank, a mixing tank and a fermentation tank, wherein the fermentation tank is used for placing the feces and urine collected in the mixing tank for fermentation treatment, and the fermentation treatment forms biogas, biogas slurry and biogas residues;
the methane utilization system is used for conveying the methane generated by the methane liquid fermentation system through a pipe network for utilization;
the biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry and conveying the biogas slurry to be utilized through a pipeline;
the biogas residue treatment system collects biogas residues generated by the biogas slurry fermentation system and carries out hazardous waste treatment.
Furthermore, the planting production system comprises a vegetable planting factory, a biogas slurry adjusting tank, a water and fertilizer integrated treatment system and a clear water system;
the vegetable planting factory is used for planting vegetables;
the biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the adjustment treatment comprises the adjustment of PH value, ammonia nitrogen or temperature, pre-aeration treatment is carried out after the adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline for utilization;
the water and fertilizer integrated treatment system receives the adjusted biogas slurry conveyed by the pipeline, and according to the fertilizer requirement characteristics of different planted vegetables, purified water and fertilizer are added for blending to form a fertilizer solution required by vegetable planting;
and the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.
Further, the vegetable planting factory is multilayer, and every layer is provided with aquatic vegetable planting pond and/or terrestrial vegetable planting district, every layer all is provided with ventilation unit, the top of vegetable planting factory is umbrella-shaped structure.
Furthermore, a drip irrigation device is arranged in the terrestrial vegetable planting area.
Furthermore, the aquatic vegetable planting pond also comprises a soilless vegetable planting system and a wetland purification planting system, and water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing and cleaning system and the clear water system for utilization.
Furthermore, the vegetable planting factory also comprises a certain number of spraying systems arranged on each layer.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
1. the fecaluria pollutant that farming systems produced among the planting system of this application embodiment is handled through pollutant processing system and is added the resource and recycle, and its natural pond liquid supplies to plant the production system and regard as crop nutrient substance, and simultaneously, plant the production system and also carry out the fecaluria pollutant processing that farming systems produced, in addition, the marsh gas that produces is used for generating electricity as clean energy and supplies the planting system to use. The problem of the pollutant of aquaculture handles and utilizes is solved, the environmental protection of pollutant is handled the problem, provides the planting industry simultaneously and uses, great saving planting cost, whole planting system operation cost reduces, has improved economic benefits.
2. The breeding system monitors the room temperature of a base of the breeding farm through the monitoring system, so that heat preservation and water retention measures in the breeding farm are taken, good preventive measures are provided for livestock breeding, the monitored harmful gas content is fed back to the reasonable proportioning feed of the feed mixing system for the livestock to eat, intelligent breeding management is achieved, and meanwhile, the water system and the flushing and cleaning system are provided, so that good guarantee and environment are provided for the growth of the livestock.
3. The pollutant treatment system can absolutely and completely collect the excrement pollutants, ferment and recycle the pollutants, and reasonably utilize the produced biogas and biogas slurry, thereby greatly reducing the operation cost of the whole system and realizing effective environmental protection treatment.
4. The planting production system effectively utilizes the fecaluria pollutant resources of the culture system to carry out planting, thereby greatly reducing the use of chemical fertilizers, pesticides and the like, and simultaneously carrying out purification treatment on the biogas slurry to form purified water for recycling; the whole planting production system is reasonable in regional setting, strong in functional diversity, low in planting cost and high in economic value.
Drawings
FIG. 1 is a schematic view of a planting system of the present embodiment;
FIG. 2 is a schematic view of a vegetable planting factory according to the present embodiment;
fig. 3 is a schematic single-layer diagram of a vegetable planting factory in this embodiment.
Detailed Description
This embodiment is through providing a vegetable planting system based on natural pond liquid purification, manage the breed of domestic animal through the farming systems, natural pond liquid after its fecaluria pollutant that produces passes through pollutant processing system handles provides planting production system for the planting and the production of vegetables are used simultaneously, planting production system can purification treatment natural pond liquid again and form the purified water and recycle, whole planting and breeding combination system mutual support, the fecaluria pollutant that has solved current farming production handles or utilizes insufficient technical problem, the chemical fertilizer overuse technical problem who plants the production system has also been solved simultaneously, the repeated recovery of resource in the whole planting system, handle, recycle, and whole production activity intelligent management, great improvement agricultural and farming industry's economic benefits.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
In fig. 1 to 3, a biogas slurry purification-based vegetable planting system includes a cultivation system for intelligent cultivation and management of livestock, a planting production system for planting and production of vegetables, and a pollutant treatment system for recovering, treating and recycling various pollutants generated in production activities of the cultivation system and the planting production system.
The culture system comprises a culture farm base, a culture farm monitoring system, a feed mixing system, a water using system and a flushing and cleaning system; farms are used for the farming of livestock (e.g., swine), and may be multiple farms, as well as a source of manure contaminants.
The farm monitoring system also comprises a gas monitoring system and a room temperature online monitoring system, and the atmospheric pollutant content and the temperature change in the farm base are fed back in real time; the gas monitoring system is used for monitoring the content of harmful gases in a farm base, such as the content of ammonia gas and hydrogen sulfide and the content of pollution gases discharged to the atmosphere by the animals through excretion after feeding animal feed, so that the feed ratio for feeding livestock is prepared, the reasonable feed ratio ensures that the animals obtain sufficient nutrition every day, the content of main atmospheric pollutants in the farm can be kept at a low value for a long time, and people can not smell odor when staying in the farm.
The room temperature online monitoring system is used for monitoring the temperature change of a base of a farm in real time, and is used for reminding farmers to take heat preservation and water retention measures in the farm in time when the temperature changes, so that the condition that the organisms of animals are damaged by diseases, the growth, the fattening and the reproduction of the animals are influenced, the slaughtering rate is reduced, the meat quality is reduced, and economic loss is caused is avoided.
The feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts main materials and fermented feed to be mixed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system.
The water supply system is mainly used for adjusting the body temperature of livestock, transporting nutrient substances, biochemical reaction of the livestock and lubrication and protection of the livestock, and also comprises a water temperature adjusting system, because the livestock have larger stress reaction when drinking cold water in winter, and simultaneously consume more energy of the animals.
The washing and cleaning system is used for washing and cleaning excrement in a farm base, and water adopted by the system is purified water and/or clear water, wherein the purified water is obtained by purifying biogas slurry through the planting production system; on one hand, the water consumption is saved, and the cost is reduced; on the other hand, the neatness and cleanness in the base of the farm are kept.
The pollutant treatment system comprises an excrement and urine collection system, a biogas slurry fermentation system, a biogas utilization system, a biogas slurry collection tank and a biogas residue treatment system.
The excrement and urine collecting system also comprises a collecting and mixing pool, wherein the collecting and mixing pool is used for collecting the excrement and urine generated by a farm base, and the adopted collecting mode is full-amount non-separation collecting, so that the pollution of river and underground water systems and soil pollution caused by the discharge and leakage of the excrement and urine to other environments is avoided; moreover, the collecting mode of solid-liquid separation can ensure that nutrients in the excrement and urine are not lost and balanced, and the resource utilization is more convenient and comprehensive. The collection mixing pool is adopted to collect the feces and urine pollutants in an open manner which is mostly adopted compared with the current livestock and poultry breeding, so that the feces and urine pollutants after collection are not easy to flow out (especially, the feces and urine pollutants are easy to spread out in rainy days compared with the current open type collection), the surrounding environment is not polluted, and troubles such as peculiar smell and the like to the life of surrounding residents are avoided.
The biogas slurry fermentation system comprises a fermentation tank, and is used for placing the feces and urine collected in the collecting and mixing tank into the fermentation tank for fermentation treatment, and the fermentation treatment forms biogas, biogas slurry and biogas residues which are reasonably distributed and utilized through a pipe network.
The methane utilization system is used for conveying and utilizing methane generated by the methane biogas slurry fermentation system through a pipe network, and the methane is used as clean energy to generate electricity, so that required electric power is provided for each system and living area, resource recycling is effectively achieved, and the use of integral high-energy-consumption energy is reduced.
The biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry, conveying the biogas slurry through a pipeline for utilization, and providing the biogas slurry for planting vegetables or crops of the planting production system after treatment.
The biogas residue treatment system collects biogas residues generated by the biogas slurry fermentation system, carries out hazardous waste treatment, and sends the generated biogas residues to a professional hazardous waste treatment company for resource treatment, and can also be used for planting crops.
The planting production system comprises a vegetable planting factory, a biogas slurry adjusting tank, a water and fertilizer integrated treatment system and a clear water system; the vegetable planting factory is used for planting vegetables; the vegetable planting factory is provided with a plurality of layers, generally three layers, the top of the vegetable planting factory is an umbrella-shaped structure, the umbrella-shaped structure at the top is favorable for lighting and ventilation, and each layer is provided with an aquatic vegetable planting pool and/or a terrestrial vegetable planting area. The aquatic vegetable planting pool can plant the following crops: one or more of plants such as herba Apii Graveolentis, caulis et folium Ipomoeae (water spinach), and rhizoma Nelumbinis; the flower species can be one or more of water lily, loosestrife, religious flower and iris. The crops have economic value and ornamental value, and can purify water. The types of crops which can be planted in the terrestrial vegetable planting area are as follows: one or more of economic plants such as asparagus lettuce, radish, soybean, pea, cabbage and the like.
Each layer of the vegetable planting factory is also provided with an operation channel, and the operation channel is a moving channel for harvesting cress vegetables through manual or mechanical operation; each layer is provided with a ventilation device; a drip irrigation device is arranged in the terrestrial vegetable planting area; the aquatic vegetable planting pool also comprises a soilless vegetable planting system and a wetland purification planting system. Wherein, the wetland purification planting system can plant emergent aquatic plants; the emergent aquatic plants can be selected from one or more of cabbages, cress or watercress, and the water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing and cleaning system and the clear water system for utilization, so that the consumption of fresh clear water is reduced, the water resource is saved, and the operation and maintenance cost is reduced.
Vegetable planting mill still includes the every layer and is equipped with the water-spraying system of certain quantity, water-spraying system passes through the pipeline, water dropper and shower nozzle form drip irrigation and spraying, even, regularly, the quantitative crop root system that infiltrates grows the region, make main root system soil remain loose and suitable water content throughout, can promote the quick of crop and well grow use simultaneously and handle spraying natural pond liquid and moisten the blade surface of plant, also can make vegetation healthier, fast, if especially cress class aquatic vegetables, there is certain requirement to the humidity of air, humidity is big, can let vegetables more fresh and tender, increase the taste, and high quality improves economic benefits.
The biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the specific adjustment treatment comprises adjustment of pH value, ammonia nitrogen or temperature, the pH value and ammonia nitrogen concentration of the biogas slurry are adjusted to be in the most appropriate range required by growth of planted crops or vegetables, pre-aeration treatment is carried out after adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline to be utilized. The water and fertilizer integrated treatment system can receive the adjusted biogas slurry conveyed by the pipeline, and according to the fertilizer requirement rules and characteristics of different planted vegetables, clean water and fertilizer are added to be prepared to form fertilizer liquid required by vegetable planting, and then the fertilizer liquid is conveyed to the corresponding vegetable planting base.
And the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.
Of course, it should be noted that the harvested vegetable crops are processed, and the fresh products can be sold or further processed, but the crude products can be used for livestock breeding of a breeding system, such as raw materials of fermented feed.
In summary, in the planting system of the embodiment of the present application, the feces and urine pollutants generated by the cultivation system are recycled by the pollutant treatment system, wherein the cultivation system also performs intelligent cultivation management; the processed products are fully used, for example, biogas is used as clean energy to generate electricity, and the biogas slurry is further used as nutrient substances for planting crops or vegetables in a planting production system. The whole system is combined in planting and breeding, intelligent management is achieved, resources are reasonably utilized, energy efficiency and operation cost are saved, and meanwhile, the overall economic benefit is improved.
Finally, the effect of the planting system is described by combining the specific data after the technical scheme of the embodiment of the application is implemented:
A. cost-effectiveness:
1. the investment of fixed equipment of a pollution treatment plant which needs to be built for discharging pollutants generated by cultivation up to the standard is 200 ten thousand yuan, and 20 ten thousand yuan is averagely needed every year according to the service life of ten years.
2. The variety with high biomass, high yield and high added value of the planted crops or vegetables selected by the planting production system has higher economic value. Such as: the 1 mu cress planting can treat pollutants generated by the cultivation of 150 pigs, and the cost of each pig is saved by 220 yuan.
3. The nutrition of the live pigs fed by the water cress crude product leftover feed is obviously improved, the price is increased along with the increase of the nutrition, and the comparison result of main nutrition data is improved. 1 jin of live pigs fed by the fermented feed is increased by 1 Yuan, 1 pig has 20 jin of net meat, and 1 pig has 20 Yuan in 1 year.
B. Ecological benefits are as follows:
1. the biogas slurry is a fertilizer, has good bactericidal effect, can greatly reduce the use of chemical fertilizers and pesticides, and can save the expenses of pesticides and chemical fertilizers by 500 yuan per mu of crop planting every year.
2. The water resource has been practiced thrift: the biogas slurry zero-emission technology is used, and the water is recycled for many times through the design of the whole system.
3. Adopts the field pipeline conveying and sprinkling irrigation and drip irrigation technologies, reduces the labor intensity and provides a working post for the old.
4. The planting production system is an intensive planting crop, saves land resources and protects the soil and the rest and the health of cultivated land.
C. Economic benefits are as follows:
1. the traditional cress is planted and harvested 1 time in 1 year and later expanded for 2 times. Later on, the high-temperature technology of the summer celery is overcome, and some can reach 3 times. The planting system can introduce the water fennel into the treatment of the culture sewage in a soilless planting mode, and can harvest for 4-5 times, even 6-7 times in one year.
2. The planting system combines the breeding sewage treatment of breeding enterprises, adopts a vegetable factory planting mode, utilizes methane power generation to generate heat to adjust the proper temperature of production, for example, the production time of cress is shortened from 60 days to 40 days in the prior art, the cress can be mature within 20-30 days, the cress can be harvested for 12-15 times in one year, and the high efficiency can reach 20 times. The yield is far higher than that of a professional cress grower, and the benefit is high. Meanwhile, pollution treatment of the farm is also carried out.
3. The actual measured yield can be up to 1m 2 The yield of cress is 12kg, and the yield of 12 crops (recorded according to the minimum 12 times of harvest) is 144kg.1kg of cress with wholesale price of 2 yuan, 1m 2 288 yuan of economic benefit can be generated each year. 1 mu of field 667m 2 19 ten thousand yuan can be produced each year.
Therefore, the planting system of the embodiment of the application achieves reasonable utilization of resources, brings remarkable cost benefits, ecological benefits and economic benefits, has strong practicability and is worthy of popularization.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. The utility model provides a vegetable planting system based on natural pond liquid purifies which characterized in that includes:
the breeding system is used for the intelligent breeding and management of livestock;
the planting production system is used for planting and producing vegetables;
the pollutant treatment system is used for recovering, treating and recycling various pollutants generated in the production activities of the culture system and the planting production system;
wherein, the farming systems includes:
a farm base for the cultivation of livestock;
the system comprises a farm monitoring system, a gas monitoring system and a room temperature online monitoring system, wherein the gas monitoring system is used for monitoring the content of harmful gas in a farm base, and the room temperature online monitoring system is used for monitoring the temperature change of the farm base in real time;
the feed mixing system is used for providing feed required by livestock breeding for a farm base, the feed mixing system adopts main materials and fermented feed to be mixed, and the mixing proportion of the main materials and the fermented feed can be carried out according to the content of harmful gas monitored by the gas monitoring system;
the water using system is used for providing water required by cultivation for the farm base, and further comprises a water temperature adjusting system;
the flushing and cleaning system is used for flushing and cleaning excrement in the farm base, and water adopted by the system is purified water and/or clear water;
wherein the pollutant treating system comprises:
the excrement and urine collecting system also comprises a collecting and mixing pool for collecting the excrement and urine generated by the farm base, and the adopted collecting mode is full-quantity non-separation collection;
the biogas slurry fermentation system comprises a fermentation tank, and is used for putting the excrement and urine collected in the collection and mixing tank into the fermentation tank for fermentation treatment, and the fermentation treatment is carried out to form biogas, biogas slurry and biogas residues;
the methane utilization system is used for conveying the methane generated by the methane liquid fermentation system through a pipe network for utilization;
the biogas slurry collecting tank is used for receiving biogas slurry generated by the biogas slurry fermentation system, carrying out aeration treatment on the collected biogas slurry and conveying the biogas slurry for utilization through a pipeline;
the biogas residue treatment system is used for collecting biogas residues generated by the biogas slurry fermentation system and carrying out hazardous waste treatment;
wherein, planting production system includes:
a vegetable planting factory for planting vegetables;
the biogas slurry adjusting tank is used for adjusting the water quantity and/or water quality of input biogas slurry, the adjustment treatment comprises the adjustment of PH value, ammonia nitrogen or temperature, the pre-aeration treatment is carried out after the adjustment treatment, and the adjusted biogas slurry is conveyed by a pipeline for utilization;
the water and fertilizer integrated treatment system receives the adjusted biogas slurry conveyed by the pipeline, and adds purified water and fertilizer to prepare into fertilizer liquid required by vegetable planting according to the fertilizer requirement characteristics of different planted vegetables;
and the clear water system is used for providing required clear water for the biogas slurry adjusting tank and the water and fertilizer integrated treatment and conveying.
2. The biogas slurry purification-based vegetable planting system of claim 1, wherein the vegetable planting factory is multi-layered, and each layer is provided with an aquatic vegetable planting pond and/or a terrestrial vegetable planting area;
each layer is provided with a ventilation device, and the top of the vegetable planting factory is of an umbrella-shaped structure.
3. The biogas slurry purification-based vegetable planting system of claim 1, wherein the terrestrial vegetable planting area is provided with a drip irrigation device.
4. The vegetable planting system based on biogas slurry purification of claim 1, wherein the aquatic vegetable planting pond further comprises a soilless vegetable planting system and a wetland purification planting system, and water purified by the soilless vegetable planting system and the wetland purification planting system is recycled to the flushing and cleaning system and the clear water system for utilization.
5. The vegetable planting system based on biogas slurry purification of claim 1, wherein the vegetable planting factory further comprises a certain number of spraying systems per floor.
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