CN203320008U - Ecological cycle agricultural system based on village waste anaerobic fermentation - Google Patents

Abstract

The ecological cycle agricultural system based on the anaerobic fermentation of rural wastes includes a straw crusher for crushing straw and a vegetable crusher for crushing residual vegetables. The feed port is connected, and the discharge port of the residual vegetable pulverizer is connected with the feed port of the solar fermentation room two through a mobile conveyor belt; the solar fermentation room one is connected with the leachate pool and the matrix processing room respectively, and the Both the solar fermentation room 2 and the leachate pool are connected to the homogenate pool that mixes the leftover vegetables after composting and fermentation, pig manure, leachate and river water. The integrated anaerobic tank is connected with the integrated anaerobic tank for temporarily storing the biogas slurry and the biogas purification room for purifying the biogas. The biogas tank is connected with the fertilizer water sprinkler and the field biogas tank, The biogas purification chamber is connected with a self-supplied biogas generator.

Description

Ecological cycle agricultural system based on anaerobic fermentation of rural waste

technical field

The utility model relates to an ecological cycle agricultural system based on anaerobic fermentation of rural waste.

Background technique

With the continuous deepening of my country's new rural construction, the problem of rural environmental pollution is becoming more and more serious. Improving the appearance of villages and improving the quality of rural environment has become a major task in the construction of new rural areas. At present, a large number of crop straws are randomly stacked and burned during the harvest period, which has caused serious environmental pollution in rural areas. The conventional direct burning and landfill methods not only waste resources and pollute the environment, but also seriously threaten the safety of transportation. Green vegetables, cabbage, lettuce and other outermost aging leaves in the vegetable base, as well as some aging or wilting cucumbers, tomatoes and other fruits with high water content, are often stacked or discarded at will because they have no edible value. Waste, and will pollute the rural environment. There is also a large amount of pig manure produced in pig farms every day. If it is shelved or discharged indiscriminately, it will seriously pollute the rural environment.

Contents of the invention

The purpose of the utility model is to provide an ecological cycle agricultural system based on anaerobic fermentation of rural wastes which can process and rationally utilize rural wastes.

For reaching the purpose of the invention, the technical scheme adopted by the utility model is:

The ecological cycle agricultural system based on the anaerobic fermentation of rural waste is characterized in that it includes a straw crusher for crushing straw, a vegetable crusher for crushing residual vegetables, a solar energy fermentation room for composting fermented and pulverized straw, and a composting fermented and crushed straw The second solar energy fermentation room for residual vegetables, the outlet of the straw grinder is connected to the inlet of the first solar energy fermentation room through a mobile conveyor belt, and the outlet of the residual vegetable grinder is connected to the The feed port of the solar fermentation room two is connected; the solar fermentation room one is respectively connected with the leachate pool for storing the leachate, and the substrate processing room for making the seedling raising substrate, and the solar energy fermentation room two and the leachate pool are connected with the stack retting The fermented residual vegetables and pig manure are connected to the homogenization tank where leachate and river water are mixed. The anaerobic tank is connected with the digester for temporarily storing the biogas slurry and the biogas purification room for purifying the biogas. The digester is connected with the fertilizer sprinkler and the field digester, and the biogas purification room is connected with the self-powered biogas generator. .

Further, both the integrated anaerobic tank and the biogas digester are connected to a strain pool that provides strains for the solar fermentation room 1, and sludge lifting pumps are provided on the connecting channels.

Further, an anaerobic feed pump is provided on the connecting channel between the homogenizer tank and the integrated anaerobic tank.

Further, a submerged mixer for tempering and homogenizing the mixed material and a tubular cutter for cutting and breaking the mixed material are installed in the homogenization tank, and the tubular cutter is arranged in front of the anaerobic feed pump.

Further, the walls below 1.2m of the solar fermentation room 1 and solar fermentation room 2 are brick-concrete structures, the walls and roofs above 1.2m are tempered glass, and the walls of the brick-concrete structures are equipped with inorganic heat preservation materials inside and outside. Insulation mortar, the first solar fermentation room and the second solar fermentation room are equipped with a strain spraying system, a ventilation system, a leachate discharge system, an inlet door, an outlet door of the fermentation room, and a temperature and humidity monitor.

Further, the integrated anaerobic tank is an integrated anaerobic fermentation tank for gas production and storage, the lower part of which is a tank body with a spiral steel silo structure for fermentation, and the upper part is a double-membrane flexible gas storage tank. The tank wall of the body is provided with rubber and plastic boards, foam boards and protective layers.

Further, the biogas purification chamber is provided with a gas-water separator and a desulfurization tower.

Further, the integrated anaerobic tank is provided with an oblique mixer and a high-efficiency temperature-increasing pipe for mixing materials, and a circulation pump is provided outside the tank.

Further, a heating coil is arranged in the homogenization pool.

Further, the biogas generator is connected with a tail gas waste heat boiler and a jacket water heat exchanger for recovering waste heat, and the tail gas waste heat boiler and jacket water heat exchanger are connected with a thermal circulation water tank for storing hot water, and the thermal circulation water tank It communicates with the high-efficiency warming pipe in the integrated anaerobic tank and the warming coil in the homogenization tank through the hot water circulation pump.

The working principle of the utility model is that the straw and residual vegetables are collected from the vegetable base and transported to the straw and residual vegetable shed. After the straw and residual vegetables are classified, they are respectively crushed by the straw grinder and the residual vegetable grinder, and transported by a mobile material conveyor belt. It is transported to the solar fermentation room for anaerobic stacking and fermentation. The leachate produced by fermentation enters the leachate pool, then flows into the homogenization pool by gravity, and the organic matter produced enters the substrate processing room to make the seedling substrate. The residual vegetables are transported to the second solar fermentation room for pre-stacking and retting, and then poured into the homogenization tank. Pig manure is collected from nearby farms and poured into the homogenization tank, mixed with leachate and then homogenized, mixed with river water to make a TS=10% mixed liquid, and then pumped to the integrated anaerobic tank for anaerobic fermentation. The anaerobically produced biogas is purified in the biogas purification chamber and passed into the biogas generator to generate electricity for the company. The waste heat of the biogas generator is used to warm the homogenizer tank and the integrated anaerobic tank. The biogas slurry produced after anaerobic fermentation flows into the biogas slurry tank for temporary storage, and is used for fertilizer and water irrigation of vegetable bases or pulled to the field biogas slurry tank by a closed transport vehicle for field irrigation. The integrated anaerobic tank, the sludge produced by the biogas digester enters the strain pool, and is used for the inoculation of anaerobic bacteria in the solar fermentation room 1.

The beneficial effects of the utility model: the rural waste can be treated and rationally utilized, the biogas generated by anaerobic power generation can be used for the company's production and life, the biogas slurry is used as a liquid organic fertilizer for 800 mu of vegetable bases, and the organic matter is processed into a seedling substrate; It reduces planting costs, reduces pests and diseases, improves soil structure, prevents soil hardening, increases soil organic matter, and provides a good guarantee for vegetable planting transformation; it conforms to the development direction of ecological cycle agriculture, and is conducive to energy conservation, emission reduction and comprehensive utilization of resources. It is conducive to the optimization of the agricultural industry structure and the improvement of the level of the agricultural industry; the agricultural industry in the region has been further improved in the direction of modernization, and it has played a significant role in promoting the construction of ecological cycle agriculture in the planting base and breeding base; The construction plays a positive demonstration and leading role, and the social benefits are obvious.

Description of drawings

Fig. 1 is a schematic diagram of the utility model.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the utility model is not limited to these specific embodiments. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

Referring to Figure 1, the ecological cycle agricultural system based on the anaerobic fermentation of rural wastes includes a straw crusher for crushing straw, a vegetable crusher for crushing residual vegetables, a solar fermentation room-1 for stacking and fermenting crushed straw, and a stacking and fermentation room. Solar energy fermentation room 2 for residual vegetables after crushing, the discharge port of the straw pulverizer is connected with the feed port of solar energy fermentation room 1 through a mobile conveyor belt, and the discharge port of the residual vegetable crusher is connected with a mobile conveyor belt. The conveyor belt is connected with the feed port of the solar energy fermentation room two 2; the solar energy fermentation room one 1 is respectively connected with the leachate pool 4 storing the leachate and the substrate processing room 3 for making the seedling raising substrate, and the solar energy fermentation room two 2 and The leachate tanks 4 are all connected to the homogenate tank 7 that mixes the leftover vegetables and pig manure after composting and fermentation with leachate and river water. The integrated anaerobic tank 8 is connected, and the integrated anaerobic tank 8 is connected with the biogas digester 6 for temporarily storing the biogas slurry and the biogas purification room 10 for purifying the biogas. The liquid pool 11 is connected, and the biogas purification chamber 10 is connected with a self-supplied biogas generator 9 .

Both the integrated anaerobic tank 8 and the biogas digester 6 are connected to the strain pool 5 that provides strains for the solar fermentation room-1, and sludge lifting pumps are arranged on the connecting channels.

An anaerobic feed pump is provided on the connecting channel between the homogenization tank 7 and the integrated anaerobic tank 8 .

The homogenizer tank 7 is provided with a submerged mixer for tempering and homogenizing the mixed material and a tubular cutter for cutting and breaking the mixed material, and the tubular cutter is arranged in front of the anaerobic feed pump.

The walls below 1.2m of the solar fermentation room 1 and the solar fermentation room 2 2 are brick-concrete structures, the walls and roofs above 1.2m are tempered glass, and the walls of the brick-concrete structures are provided with inorganic heat preservation materials inside and outside. Insulation mortar, the solar fermentation room 1 and the solar fermentation room 2 are equipped with a strain spraying system, a ventilation system, a leachate discharge system, a feed door, a discharge door and a temperature and humidity monitor in the fermentation room .

The integrated anaerobic tank 8 is an integrated anaerobic fermentation tank for gas production and gas storage. There are rubber and plastic boards, foam boards and protective layers on the outside of the tank wall.

The biogas purification chamber 10 is provided with a gas-water separator and a desulfurization tower.

The integrated anaerobic tank 8 is provided with an inclined mixer and a high-efficiency temperature-increasing pipe for mixing materials, and a circulation pump is provided outside the tank.

The homogenization tank 7 is provided with a heating coil.

The biogas generator 10 is connected with a tail gas waste heat boiler and a jacket water heat exchanger for recovering waste heat, and the tail gas waste heat boiler and the jacket water heat exchanger are connected with a thermal circulation water tank for storing hot water. The hot water circulating pump communicates with the high-efficiency warming pipe in the integrated anaerobic tank 8 and the warming coil in the homogenization tank 7 .

The working principle of the utility model is that the straw and residual vegetables are collected from the vegetable base and transported to the straw and residual vegetable shed. After the straw and residual vegetables are classified, they are respectively crushed by the straw grinder and the residual vegetable grinder, and transported by a mobile material conveyor belt. Transported to the solar energy fermentation room-1 for anaerobic stacking fermentation, the leachate produced by fermentation enters the leachate pool 4, and then enters the homogenization pool 7 by gravity, and the organic matter produced enters the matrix processing room 3 to make the seedling raising matrix. The leftover vegetables are transported to the solar fermentation room 2 for pre-stacking and retting, and then poured into the homogenization tank 7. Pig manure is collected from nearby farms and poured into the homogenization tank 7, mixed with leachate, stirred and homogenized, mixed with river water to form a TS=10% mixed liquid, and then pumped to the integrated anaerobic tank 8 for anaerobic fermentation. The anaerobically generated biogas is purified in the biogas purification chamber 10 and passed into the biogas generator 9 to generate electricity for the company. The biogas slurry produced after anaerobic fermentation flows into the biogas slurry tank 6 for precipitation and temporary storage, and is used for fertilizer and water irrigation of the vegetable base or pulled to the field biogas slurry tank 11 by a closed transport vehicle for field irrigation. The integrated anaerobic tank 8 and the sludge produced by the biogas digester 6 enter the strain pool 5 for inoculation of anaerobic bacteria in the solar fermentation room-1.

Claims (10)

1. An ecological cycle agricultural system based on anaerobic fermentation of rural waste, characterized in that it includes a straw crusher for crushing straw, a vegetable crusher for crushing residual vegetables, a solar fermentation room for composting fermented and pulverized straw, and a composting retting The second solar energy fermentation room for residual vegetables after fermentation and crushing, the outlet of the straw grinder is connected to the inlet of the first solar energy fermentation room through a mobile conveyor belt, and the outlet of the leftover vegetable grinder is transported through a mobile The belt is connected to the feed port of the second solar fermentation room; the first solar fermentation room is connected to the leachate pool for storing leachate and the matrix processing room for making seedling raising substrates respectively, and the second solar fermentation room and the leachate pool are connected to the The residual vegetables and pig manure after composting and fermentation are mixed with leachate and river water and connected to the homogenization tank, which is connected to the integrated anaerobic tank for anaerobic fermentation of mixed materials to generate biogas and biogas liquid The integrated anaerobic tank is connected with the biogas slurry tank for temporary storage of biogas slurry and the biogas purification room for purifying biogas. machine connection. 2. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 1, characterized in that: the integrated anaerobic tank and biogas digester are all compatible with the bacterial classification provided for the solar fermentation room one The tank is connected, and the connecting channel is equipped with a sludge lifting pump. 3. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 1 or 2, characterized in that: an anaerobic feeder is arranged on the connecting channel between the homogenizer tank and the integrated anaerobic tank. Feed pump. 4. The ecological cycle agricultural system based on anaerobic fermentation of rural waste according to claim 3, characterized in that: the homogenizer tank is provided with a submerged mixer for tempering and homogenizing the mixed material and a pipe for cutting and breaking the mixed material Type cutting machine, described tubular cutting machine is arranged in the front of anaerobic feed pump. 5. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 4, characterized in that: the wall body below 1.2m of the solar energy fermentation room one and solar energy fermentation room two is a brick-concrete structure, 1.2m The wall and roof above m are made of toughened glass, and the brick-concrete structure wall is provided with inorganic thermal insulation mortar for thermal insulation inside and outside. System, leachate drainage system, feed door, discharge door of fermentation room and temperature and humidity monitor. 6. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 5, characterized in that: the integrated anaerobic tank is an integrated anaerobic fermentation tank for gas production and gas storage, and its lower part is a fermentation tank. The tank body with spiral steel silo structure is used, the upper part of which is a double-membrane flexible gas storage tank, and the tank wall of the tank body is provided with rubber-plastic boards, foam boards, and protective layers. 7. The ecological cycle agricultural system based on anaerobic fermentation of rural waste according to claim 6, characterized in that: the biogas purification chamber is equipped with a gas-water separator and a desulfurization tower. 8. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 7, characterized in that: the integrated anaerobic tank is provided with an oblique mixer and a high-efficiency temperature-increasing pipe for stirring materials, and outside the tank A circulating pump is provided. 9. The ecological cycle agricultural system based on anaerobic fermentation of rural wastes according to claim 8, characterized in that: the homogenization tank is provided with a heating coil. 10. The ecological cycle agricultural system based on the anaerobic fermentation of rural waste according to claim 9, characterized in that: the biogas generator is connected with a tail gas waste heat boiler and a jacket water heat exchanger for recovering waste heat, and the tail gas The waste heat boiler and the jacket water heat exchanger are connected to the heat circulation water tank for storing hot water, and the heat circulation water tank is connected with the high-efficiency heat-increasing pipe in the integrated anaerobic tank and the heat-increasing coil in the homogenization tank through the heat water circulation pump connected.

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