A kind of fermentation unit of handling organic waste
Affiliated technical field
The utility model relates to a kind of fermentation unit of handling organic waste, and the anaerobic biogas generating pit of circulation heating device and the fermentation unit that the high-temperature aerobic fermentation energy utilizes are mutually arranged at particularly a kind of bottom.Be fit to the comprehensive utilization of agricultural crop straw, kitchen household garbage, feces of livestock and poultry etc., belong to environmental engineering required equipment device.
Background technology
Handle organic waste, promote the scientific utilization and the conversion of biomass energy, it is more satisfactory processing mode that fermentation method is handled.And methane-generating pit is exactly to realize the conversion of biomass energy to clean energy, existing traditional methane tank cost height, fermentation organic waste concentration are low, adopt anaerobically fermenting, and be not thorough to the processing of excrement dirt, particularly do not have heating device, be unfavorable for the popularization of northwest cold district.The organic waste of high density is handled the general aerobic fermentation that adopts, and produces a large amount of heats in the time of aerobic fermentation, and the higher anaerobically fermenting efficient of temperature is also higher.The present invention solves problems such as fermentation of organic wastes efficient is low exactly, and anaerobically fermenting and aerobic fermentation are combined, and forms energy and utilizes mutually, handles organic waste expeditiously.
Summary of the invention
The utility model relates to a kind of fermentation unit of handling organic waste, and the anaerobic biogas generating pit of circulation heating device and the fermentation unit that the high-temperature aerobic fermentation energy utilizes are mutually arranged at particularly a kind of bottom.The technical solution adopted in the utility model is: a kind of fermentation unit of handling organic waste is characterized in that it comprises: be made up of organic waste pretreatment pool, fermentation tank body, hot-water circulation pipe, collecting system, recycle pump, sludge pump; Described fermentor tank volume surrounding is composited by heat preserving and insulating material, the fermentation tank interior is divided into two-layer up and down by dividing plate, the upper strata is the anaerobically fermenting methane-generating pit, be connected with feed-pipe on the methane-generating pit, discharge nozzle, fermentation tank body top is connected with pneumatic tube, the methane-generating pit bottom is connected with the hot-water circulation pipe above the dividing plate, lower floor is the aerobic aeration pond, the hot-water circulation pipe is arranged around the aeration tank, the heat that the good absorption aerobe fermentation produces, being connected with hot-water line on the aeration tank imports and exports, the import of high density organic waste, outlet, the aeration tank upper side has the air outlet, has baffle plate that the pond body vertically is divided into two in the middle part of the aeration tank and forms one-level aerobic fermentation pond, secondary aerobic fermentation pond connects by sludge pump between two ponds, middle part, aeration tank horizontal direction has rotation axis, be connected with aerated conduit on the axle, solarization air cap is arranged on the pipeline, also be connected with stirring rake on the rotation axis; The hot-water circulation pipe imports and exports and is connected with collecting system by recycle pump; Described collecting system is solar energy heating, also can be the earth source heat pump thermal-arrest.Major objective of the present utility model is: (1) can handle feces of livestock and poultry, stalk, kitchen household garbage etc. at cold district winter, can make fermenting raw materials abundant, improves fermentation efficiency and factor of created gase; (2) be provided with anaerobically fermenting methane-generating pit and aerobic fermentation aeration tank in the system, aerobic fermentation is by thermophile bacteria bacterial classification, trace mineral supplement, high temperature and the quick decomposing organic matter of aerobic aeration environment, discharge a large amount of heats, heat is recycled water absorption heating anaerobic biogas generating pit and realizes that energy utilizes mutually; (3) existing aerobic fermentation has anaerobically fermenting again in the system, helps the comprehensive treating process utilization of high density and low-concentration organic; (4) fermentation unit of this processing organic waste is rational in infrastructure, and volume is little, and energy-saving effect is obvious, the comprehensive benefit height.The beneficial effects of the utility model: 1, system design aerobic fermentation and anaerobic ferment devices, can realize the complementary utilization of the energy, aerobic fermentation has designed second order fermentation, but high-level efficiency is handled organic waste, improved the output of biogas simultaneously, organic utilization ratio is higher; 2, the circular heating device is arranged in the system, can ensure the stable High-efficient Production biogas of cold district; 3, system is a up-down structure, and floor space is little, and operation is efficient; 4, design has solar thermal collection system and earth source heat pump thermal-arrest in the system, and heating cycle water can be realized the high-level efficiency less energy-consumption.The utility model is rational in infrastructure, and operation is efficient, is fit to cold district and uses.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
In the accompanying drawing 1: 1, organic waste pretreatment pool, 2, the heat insulating layer, 3, feed-pipe, 4, pneumatic tube, 5, discharge nozzle, 6, liquid level, 7, collecting system, 8, hot-water circulation pipe, 9, the fermentation tank body, 10, dividing plate, 11, the hot-water circulation pipe imports and exports, 12, air outlet, 13, rotation axis, 14, the outlet of high density organic waste, 15, stirring rake, 16, secondary aerobic fermentation pond, 17, sludge pump, 18, baffle plate, 19, one-level aerobic fermentation pond, the aerated conduit that 20, solarization air cap is arranged, 21, recycle pump, 22, the import of high density organic waste.
Embodiment
Embodiment one: as shown in Figure 1 be a kind of fermentation unit of handling organic waste.It comprises: be made up of organic waste pretreatment pool (1), fermentation tank body (9), hot-water circulation pipe (8), collecting system (7), recycle pump (21), sludge pump (17); Described fermentation tank body (9) is outer to be composited by heat preserving and insulating material (2), fermentation tank body (9) inside is divided into two-layer up and down by dividing plate (10), the upper strata is the anaerobically fermenting methane-generating pit, be connected with feed-pipe (3) on the methane-generating pit, discharge nozzle (5), fermentation tank body (9) top is connected with pneumatic tube (4), the methane-generating pit bottom is connected with hot-water circulation pipe (8) above the dividing plate (10), lower floor is the aerobic aeration pond, the hot-water circulation pipe is arranged around the aeration tank, the heat that the good absorption aerobe fermentation produces, be connected with hot-water line on the aeration tank and import and export (11), high density organic waste import (22), outlet (14), the aeration tank upper side has air outlet (12), there is baffle plate (18) that the pond body vertically is divided into two in the middle part of the aeration tank and forms one-level aerobic fermentation pond (19), secondary aerobic fermentation pond (16), connect by sludge pump (17) between two ponds, middle part, aeration tank horizontal direction has rotation axis (13), be connected with aerated conduit (20) on the axle, solarization air cap is arranged on the pipeline, also be connected with stirring rake (15) on the rotation axis (13); The hot-water circulation pipe imports and exports (11) and is connected with collecting system (7) by recycle pump (21); Described collecting system is solar energy heating, also can be the earth source heat pump thermal-arrest.During operation organic waste is put into pretreatment pool, adjust concentration, potential of hydrogen, squeeze into fermentation tank body upper strata by sludge pump (17) feed liquid that concentration is low then, concentration is high squeezes into fermentation tank body lower floor, fermentation tank body upper strata is the anaerobically fermenting methane-generating pit, by hot-water circulation pipe (8) heating, produce biogas, handle organism; Fermentation tank body lower floor is the aerobic aeration pond, designed secondary high temperature aerated fermentation in the utility model,, aerobic aeration has been moved fast by the aeration tank being provided oxygen, thermophile bacteria bacterial classification, trace mineral supplement, hot environment, produce a large amount of heats simultaneously, efficiently handle organic waste; Water among the hot-water circulation pipe (8) becomes hot water for methane-generating pit fermentation, aerobic fermentation provide heat after absorbing the heat of heat that aerobic aerated fermentation produces and solar energy heating, earth-source hot-pump system, promotes the circulation of fermentation to carry out.Waste after finishing dealing with extracts by discharge nozzle (5) and high density organic waste outlet (14) and carries out the production of fertilizer.
Embodiment two:
As shown in the figure, present embodiment is to increase a pretreatment pool (1) on the basis of embodiment one, adjusts the feed concentration that enters anaerobism, aerobic fermentation, improves the efficient of handling fermentation raw material.
Embodiment three:
As shown in the figure, present embodiment is on the basis of embodiment one discharge nozzle (5) to be connected with high density organic waste import (22), improves the processing efficiency of organic waste.
Embodiment four:
As shown in the figure, present embodiment is will increase a baffle plate (18) to make the anaerobically fermenting methane-generating pit become two on the basis of embodiment one, connect circulation by sludge pump (17) in the middle of two methane-generating pits, system becomes B grade anaerobic fermentation by the one-level anaerobically fermenting, and all feed liquid anaerobically fermenting efficient further improves.
Embodiment five:
As shown in the figure, present embodiment is to change collecting system into the air energy heat pump system on the basis of embodiment one, and thermal source derives from air, further environmental protection, energy-conservation.