Liquid mineralized organic fertilizer prepared from anaerobically fermented liquefied and ground organic wastes, method and apparatus for preparing the same
SUBSTANCE: fertilizer contains nutritive substances for plants. Organic substances contained in liquid fertilizer composition are mineralized by at least 95% of amount of organic substances in wastes before being fermented in methane tank with resulting production of humus. Method involves feeding into outer chamber of coaxial methane tank liquefied and ground organic substances of wastes and providing sequential anaerobic fermentation thereof; heating and mixing mass under fermentation process with gas-and-liquid mixture; discharging resulting mass for producing fertilizer; withdrawing biogas from outer and inner chambers; introducing biogas contained in heated gas-and-liquid mixture from outer chamber into inner chamber in the form of dissipated jet streams for mixing of fermentable mass therein; providing first phase of anaerobic fermentation of liquefied and ground organic waste substances in outer chamber in acid medium at pH less than 7.0 until complete decomposition of all delivered and settled fermented organic waste substances of different densities is provided by active symbiosis of splitting (hydrolyzing) microorganisms accompanied with destruction thereby of complex compounds into simpler compounds and formation of fatty acids and weak biogas (carbon dioxide, hydrogen and hydrogen sulfide); introducing the latter into inner chamber for providing second phase of anaerobic fermentation in alkaline medium at pH exceeding 7.2 with following producing of fuel biogas by means of methanogenic bacteria. Apparatus has hermetically sealed reservoir, bottom and cupola with concentric partition having shape similar in plan to that of reservoir and adapted for dividing it into outer and inner chambers, branch pipes for supplying liquefied organic wastes and discharge of fermented sediments, means for mixing and heating fermented wastes and branch pipes for discharge of biogas from outer and inner chambers. Branch pipe for discharge of biogas from outer chamber is connected through gas line with suction pipe of injector, to pressure pipe of which is joined heat exchanger with heater.
EFFECT: improved quality of liquid mineralized organic fertilizer.
6 cl, 2 dwg
The invention relates to municipal and rural farms and mainly intended for use on livestock and poultry farms, complexes and factories.
Known AS the USSR 472923 liquid saline, concentrated organic fertilizer from anaerobically digested animal manure and organic waste produced by liquefaction and crushing, fermentation, separation into solid and liquid fractions of fermented mass, concentration and evaporation of the liquid fraction, while obtaining tons of animal excrement to 130-150 litres of liquid concentrate, which retained only part of the nutrients for plants from their number in the feedstock prior to its digestion, while the large mass of nutrients remained in the separated 100-120 kg of dry concentrate and remove the water.
The disadvantage of known AS. the USSR №472923 liquid concentrated mineralized organic fertilizer is that it consists of less than 13%-15% of the nutrients from their number in the source ton of excrement to their digestion and which is the raw material to obtain a liquid concentrate, and lack of method and device for producing liquid concentrated mineralized organic fertilizer AS the USSR №472923 with ISOE what Itanium known equipment for its implementation is mnogovershinnoe running process in complexity and intensity of services energy-intensive mechanisms during their high cost of manufacture.
Known and other liquid partially saline organic fertilizer from anaerobically digested and liquefied crushed organic waste with the implementation of the Method of successive phase anaerobic digestion liquefied organic waste and device for its implementation" RF patent No. 2163750, whereby the fermentation of liquefied and shredded organic waste carried out sequentially each phase in the external and internal chambers coaxial digester with mixing, fermentation waste, heated gas-liquid mixture, the flow in the outer chamber fresh liquefied and shredded organic waste from their mixing with the fermentation in the external camera weighing up to full decomposition of organic materials in the first phase of digestion in the subsequent flow of their products the collapse in the internal chamber with development in it of combustible biogas and liquid partially mineralized organic fertilizers, while the device for implementing the method containing the reservoir, performed various shapes in plan with a conical or pyramidal bottom and a dome attached to the dome concentric partition, forming inner and outer chambers with inlet pipe fresh waste pipes biogas collection connected with an ejector communicating with the heat exchanger, the boiler and pump input gas-liquid mixture in the internal chamber by mixing it ferment in her weight.
The disadvantage of this known from the patent of the Russian Federation No. 2163750 method and device for its implementation is that the input in the outer chamber of the tank digester liquefied and shredded organic waste, which has in its composition baseplate pop and sedimentary organic matter, exfoliate and pop from them, mixed with the fermentation in the outer cell mass, obamanauts symbiosis splitting /gidroliznaya/ microorganisms in the first acid phase digestion at pH less than 7.0 and are converted from complex compounds with hydrogen gas, carbon dioxide and hydrogen sulfide in fatty acid flowing down into the inner chamber where the second phase of anaerobic digestion at pH over 7.2 converted methanogenic bacteria in a combustible biogas, while more dense trudnosvarivaemymi sedimentary organic matter down the external camera down without splitting into the internal chamber with the alkaline medium of the second phase of digestion, where at pH over 7.2 they don't split and form the composition of the fermentation in the inner chamber of the mass of non-biodegradable sludge organic substances, which limits a more complete mineralization of the fermentation mass, ispolzuya is when it is unloaded from the digester as a liquid mineralized organic fertilizer, as more complete and limits the production of combustible biogas from organic substances submitted to digestion in the digester is liquefied and shredded organic waste.
However, in its technical essence and the achieved result is known by the patent RF №2163750 liquid partially mineralized organic fertilizers, preparation method and a device for its implementation are the closest to the invention.
The present invention is to obtain mineralized organic liquid fertilizer from anaerobically digested and liquefied crushed organic waste, improved quality, the creation of such method of preparation of liquid fertilizers and device for its implementation, which are addressed above their shortcomings and would increase the efficiency of anaerobic digestion in the formulation of liquid organic fertilizer with a more complete mineralization of organic matter and with the lowest content of organic silt Deposit in its composition at the highest biogas production from fermentation of organic substances and per unit volume of digester to improve its quality and increase the calorie content.
According to the invention the task is to improve the quality of liquid mineralized organic adoptedthe fact, that organic substances contained in the composition of liquid fertilizer, mineralibus not less than 95% of organic substances in the waste prior to their digestion in the digester with the formation of humus.
The task in the implementation of the method is achieved by the fact that the first phase of anaerobic digestion liquefied and shredded organic waste substances in the outer chamber in an acidic environment at pH less than 7.0 is carried out until complete dissolution of all admissions in her pop-up and settling raznopolosnyh fermentation of organic waste substances active symbiosis splitting /gidroliznaya/ microorganisms with the destruction of their complex compounds into simpler and with the formation of fatty acids and skinny biogas carbon dioxide, hydrogen and hydrogen sulfide/entered then into the internal chamber run the second phase of anaerobic digestion in an alkaline medium at a pH over 7.2 with development of methanogenic them bacteria combustible biogas, which is produced in the inner chamber of the digester content in its composition to 95% methane with the caloric value of biogas to 33500 kJ/nm3up to 260 nm3from the tons of litter humidity of 70% and up to 110 nm3from the tons of pig faeces humidity 88%.
The achievement of the task execution device is achieved by the fact that attached in coolerserver digester concentric partition, separating the external and the internal chamber of the tank digester performed on the full height of the tank when joining it to the bottom with round or slotted holes in the wall with sloping down visors from an external camera, while the holes in the concentric partition is made in the lower half of its height from the bottom, and the bottom of the outer chamber are made pipe emptying her and closed with lids hatches clean the external camera from mineral precipitation.
The drawings schematically shows the device of the coaxial digester, in which figure 1 shows the overall look in the section with the attached to him pipelines, pressure reducing valves, injector and pump with heat exchanger, heater, piping, built-in tank digester nozzles, manholes and residuosity flows, and figure 2 is a view along a-a in figure 1.
Coaxial digester /1 and 2/ is a sealed /in this implementation cylindrical/ tank 1 with a conical bottom 2 and the dome cover 3 gotobaby.com 4, underneath which is attached to it reaching the bottom 2 of the tank 1 concentric partition 5, identical in shape in plan shape of the tank 1 in plan and separating tank 1 to 6 external and 7 internal chamber in which is placed the nozzles supplying liquefied waste 8 and features the who and the fermented mass 9. From the alternate tee on the end of pipe 8 is provided mixing of the incoming waste from fermentation in the outer chamber 6 of the mass of the jet pressure of the supplied liquefied waste from the tee pipe 8. Over 6 external and 7 internal cameras made pipes 10 and 11 allotment of them biogas, while the pipe 10 biogas collection from an external camera 6 digester is connected by a pipeline 12 with the suction inlet 13 of the injector 14, the pressure tube 15 which is connected to the heat exchanger 16 with the heater 17 and a pump 18. Suction pipe 19 of the pump 18 is connected to the pipe 20 fence fermented mass from the digester to the stirring and heating, while the outlet of the mixing chamber 21 of the injector 14 is connected to a pressure line 22 and the heated gas-liquid mixture with the introduction into the digester and installed above the bottom 2 rassredotochit stream 23.
To provide a wide range of regulation of specified quantities of excess biogas pressure and vacuum in the outer chamber 6 suction pipeline 12 injector 14 two distinct parallel lines 24 and 26 is connected to the pipeline 28. In the pipeline 24 is integrated pressure reducing valve 25 relieving excess pressure from the outer chamber 6 of the digester in the pipeline 28 biogas collection of inner chamber 7 and in the pipeline 26 is embedded ed is clanny valve 27 of the feed gas pipeline 28 in the outer chamber 6 of the digester in the formation of vacuum in it.
Execution tilted down visors 29 over the holes 30 in concentric partition 5 from the external camera 6 excludes entering the chamber 7 of the chamber 6 is deposited dense and trudnosvarivaemymi organic substances flowing into the chamber 6 in the composition introduced into it by the pipe 8 is liquefied and shredded organic waste digestion and prevents the flow generated in the chamber 7 of biogas into the chamber 6.
For periodic cleaning of the outer chamber 6 from mineral precipitation /soil, sand, clay, fine gravel, shell, etc./who on livestock and poultry farms come on digestion in a digester comprising liquefied and shredded organic waste in the lower part of the outer chamber 6 are closed by caps 31 hatches and pipe emptying 32.
Other pipelines to control the level of the fermentation mass and its overflow, sampling and other/as thermal insulation of the digester, installation of devices and sensors PILE is not shown, since their implementation is possible in many ways. In accordance with the requirements of SNiP pressure of the biogas in the inner chamber 7 of the digester is set in the range of 1.5-2.5 kPa.
Sequential phase anaerobic digestion liquefied and shredded organic waste from agriculture and municipal x the households in the proposed coaxial digester with the production of organic matter mineralized organic liquid fertilizer at the same time to produce high calorific biogas performed as follows.
Fresh liquefied and preferably crushed no bigger than its size is more than 5 mm of organic waste humidity 92±3% through the pipeline 8 is injected under pressure in the outer chamber 6, where the multi-directional jets from the tee pipe 8 flows enter the waste is mixed with contained in the chamber 6 fermentation by weight while crowding out through the overflow pipe bravenew the weight of the camera 7, which is mineralized liquid organic fertilizer. Download digester liquefied and shredded organic waste can be performed continuously continuously within daily dose download and periodically cycled one or more times per day with compliance with dose per day.
When loading the digester less dense organic matter emerge within the outer chamber 6 to the education of them in the acidic environment of the first phase of digestion of fatty acids and skinny biogas and more dense sedimentary organic matter down the camera 6, which is also in the acidic environment of the first phase of fermentation of them symbiosis splitting /gidroliznaya/ microorganisms are formed fatty acid and skinny biogas, which together with the products of decomposition surfaced low-density organic matter is introduced into the chamber 7 in the alkaline environment of the second phase of digestion: fatty acids from under the trump card is and 29 through the holes 80, and skinny biogas through the pipe 10, the pipeline 12 and the injector 14 in the composition of the gas-liquid mixture through residetial stream 23. Through holes 30 from the chamber 6 into the chamber 7 when loading chamber 6 fresh waste out of the socket 8 are also sredneplotnyh partially split organic matter who or Darussalam in the chamber 7, or remain nedorazumenij in the composition of the fermentation in the chamber 7 the mass discharged from the digester as a liquid mineralized fertilizers. In the composition introduced into the chamber 6 organic waste mineral inclusions /soil, sand, clay, fine gravel, shell, and others, which depend on methods animals and birds, settling to the bottom of the chamber 6 to form a precipitate with a small amount of non-biodegradable organic matter, which necessitates approximately every 3-4 years to produce through hatches 31 cleaning chamber 6 after discharge from her nipple 32 ferment it and partially in the chamber 7 pulp, leaving about 1/3 of the volume of the fermentation mass in the chamber 7 with an active population of methanogenic microorganisms. Save flushed from the chamber 6 fermentation mass is loaded again in the clean chamber 6 together with fresh liquefied and shredded organic waste that provides fast input operation of the digester in normal the operation.
A continuous supply of heated gas-liquid mixture from residuosity 23 at the bottom of the 2 cameras 7 provides it in the second phase of digestion at pH over 7.2 combined gas-liquid mixing of the fermentation mass when heated from flowing into the chamber 7 from the chamber 6 through the holes 30 more dense flow of acids and amino acids, Rostislava ascending dispersed heated gas-liquid flow fermented mass in the chamber 7, which provides for efficient growth and activation of populations of methanogenic bacteria with the production of their more biogas with a content of up to 95% methane with the caloric content of the biogas to 33500 kJ/nm3.
Depending on the installed operating modes of the digester due to humidity fermented mass, frequency and dose of loading wastes and their composition, temperature, digestion, and other factors, the pressure of the gas in the chamber 6 is changed, whereas the pressure produced in the chamber 7 biogas continuously and regulated by the gas tank or other devices within the established norms SNiP.
In case of emergency or any other forced to cease operation of the pump 18 to the injector 14, as well as in spontaneous abundant gas in the chamber 6, the pressure of the gas in the chamber 6 may exceed 2.0 kPa /200 mm of water. post/that will determine automatically srabatyvanie pressure reducing valve 25 and biogas from the chamber 6 will be in the pipeline 28 and further through the gas tank to the consumer.
When education in the vacuum chamber 6 more than 2.0 kPa automatically activated pressure reducing valve 27 and the gas pipeline 28 through the pipeline 26 will come into the chamber 6 and through the pipeline 12 will otkazyvatsa injector 14 with the formation of the gas-liquid mixture.
Maintaining a set temperature of the fermentation of organic matter in the digester, regardless of the temperature of the external environment in different periods of the year, automatically ensures that the pipeline entering the fermentation mass from the pump 18 to the heat exchanger 16 is installed /not shown/ temperature sensor interacting with a thermostat for automatic temperature control of the water heater 17, providing the necessary heating the fermentation mass in the heat exchanger 16 before it is input into the digester through the injector 14. The proposed method of anaerobic digestion liquefied and shredded organic waste can be carried out in the temperature range from 12° to 60°S, the optimal choice of which is determined by specific conditions.
The positive effect of using the present invention in agriculture is a full save without losses in the prepared liquid mineralized organic fertilizer from cutback and shredded organic waste of all nutrients for races the response before digestion in waste composition and fermentation translated in the most digestible plant forms with the formation of humus /humic and fulvic acids/ in the absence of a ready liquid fertilizer sludge organic matter.
Experimental verification in a production environment consistent phase anaerobic digestion liquefied and shredded organic waste from the preparation of these mineralized liquid organic fertilizer with storing them in the winter at a temperature of -30°in the vault of the tower type with a capacity of 780 m3with a diameter of 9 meters and a height of 12 meters revealed nessmersiel received the mineralized liquid organic fertilizer to the state of monolithic and solid ice formation. Delivery of liquid fertilizer from the store to the field and placing it in the soil was carried out by the unit for subsurface placement of liquid organic fertilizers ABB-f-2,8 without loss of nutrients in the absence of a liquid fertilizer, anaerobically digested in the proposed digester, nitrates and nitrites. Particularly effective use of the proposed liquid mineralized organic fertilizer for plant nutrition in the open and protected vegetable production, including hydroponics, which provides increased yields of crops and p which increases their quality.
Significant positive effect of using the present invention at the stations and utilities for the treatment of household and industrial waste waters containing fermentable organic matter is a significant reduction of ashless organic substances in the effluent from the digester digested mass compared with their number in loaded into the digester on the digestion of sediments from the lagoon and excess activated sludge from the aeration tanks, along with improving the performance of the digester reduces the required area of the sludge drying beds.
Certainly concomitant positive effect of using the present invention in rural and communal farms is guaranteed production of increased quantities of combustible biogas high calorie sequential phase anaerobic fermentation of liquefied and shredded organic substances, split to not less than 95% of their number in the incoming digestion in the digester for organic waste.
1. Liquid organic fertilizer from anaerobically digested and liquefied crushed organic waste containing in their composition of nutrients for plants, characterized in that the organic substances contained in the composition of liquid fertilizer and mineralized not what the Eney than 95% of organic substances in the waste prior to their digestion in the digester with the formation of humus.
2. The method of successive phase anaerobic digestion liquefied and shredded organic waste, including flow in the outer chamber coaxial digester liquefied and shredded organic waste substances and their subsequent sequential anaerobic digestion in the external and internal chambers digester heating and mixing of the gas-liquid mixture fermented mass with its conclusion on fertilizer, biogas extraction from the external and internal chambers, the input of biogas from an external camera in the composition of the heated gas-liquid mixture into the internal chamber dispersed jet flow mixing fermentation in her weight, characterized in that the first phase of anaerobic digestion liquefied and shredded organic waste substances in the outer chamber in the acidic environment at pH less than 7.0 is carried out until complete dissolution of all received and deposited raznopolosnyh fermentation of organic waste substances active symbiosis breaks down (gidroliznaya) microorganisms with the destruction of their complex compounds into simpler and formation of fatty acids and skinny biogas (carbon dioxide, hydrogen and hydrogen sulfide), then entered into the internal chamber to perform in her second phase of anaerobic digestion in an alkaline medium at a pH over 7.2 with development of these methanogenic BA is the indexes of combustible biogas.
3. The method according to claim 2, characterized in that the combustible biogas is produced in the inner chamber of the digester content in its composition to 95% methane with the caloric value of biogas to 33500 kJ/nm3up to 260 m3from the tons of litter humidity of 70% and up to 110 m3from the tons of pig faeces humidity 88%.
4. Device for the successive phase of anaerobic digestion liquefied and chopped organic wastes containing pressurized tank with a concentric partition, similar in plan to the shape of the tank and separating the external and the internal chamber, the nozzles supplying liquefied organic waste and diversion of fermented precipitation, means for mixing and heating the fermentation waste and vents exhaust gas of internal and external cameras, and the pipe outlet of the biogas from the outer chamber of the digester is connected by a pipeline with the suction inlet of the injector, the pressure tube which is attached a heat exchanger with heater and pump, connected to its suction inlet with put into the digester piping and pipe the mixing chamber of the injector is connected with the pressure pipe of heated gas-liquid mixture introduced into the digester, wherein the concentric partition is performed on the full height of the tank when joining e is on the bottom with holes in its wall and sloping down visors from an external camera.
5. The device according to claim 4, characterized in that the holes in concentric partition is made in the lower half of its height from the bottom.
6. The device according to claim 4, characterized in that the bottom of the outer chamber made pipe emptying her and closed with lids hatches clean the external camera from mineral precipitation.
FIELD: farming equipment; preparation of organic fertilizers.
SUBSTANCE: proposed device includes conveyer and compressed air chamber connected with fan by means of flexible hose. Conveyer is made in form of perforated metal working plane secured on frame by means of flexible inclined struts and provided with vibrator on its lower surface. Compressed air chamber made from elastic material is located under perforated working plane. Frame of working plane is mounted on inclined manure-removing conveyer by means of articulation and is provided with flexible ropes with threaded strainers for securing it to wall of building. Device is provided with oxygen generator which is connected with delivery branch pipe of fan.
EFFECT: improved quality of compost; increased rate of treatment; enhanced operational reliability of device.
3 cl, 3 dwg
FIELD: agriculture, in particular, manufacture of fertilizer from agricultural wastes.
SUBSTANCE: apparatus has case with charging hatch and discharge hatch, perforated filtering member mounted inside case, and block with air supplying pipe and used gas discharge pipe. Filtering member is made in the form of rotating drum arranged in horizontal position and equipped with helical guide formed on its inner surface. Case is furnished with screen longitudinally extending in its upper part above drum. Screen has cross section formed as trough with two sloping surfaces, with apex of trough oriented toward drum axis.
EFFECT: simplified construction and provision for producing of high-quality nitrogen-enriched fertilizer through partial recovery of gaseous bursts.
3 cl, 2 dwg
FIELD: farming equipment; processing organic wastes for production of organic fertilizers.
SUBSTANCE: proposed plant includes system for loading the initial mixture into bioreactor equipped with aspiration and aeration systems with at least one fan. Bioreactor is provided with two horizontal revolving drums: one drum operates in mesophyll mode and other drum operates in thermophyll mode. Drums are interconnected by means of heat-insulated transfer system; drum of bioreactor working in thermophyll mode is provided with compost discharge system. Plant is also provided with preparation and crushing systems, automated control system for control and monitoring of aerobic composting process and additional heat-insulated system for transfer of material in portions from drum working in thermophyll mode to drum working in mesophyll mode. Plant is also provided with compost stabilization system.
EFFECT: enhanced efficiency.
6 cl, 3 dwg
FIELD: agriculture, in particular, utilization of animal and bird activity products in animal and poultry houses for producing of bioorganic fertilizer.
SUBSTANCE: apparatus has casing with inclined bottom equipped with longitudinal slot, and closure, said casing incorporating equipment for introducing of liquid medium to be processed and suspension of microorganisms, aerating gas, equipment for separating of fermented medium, branch pipe for discharge of used gas, and air distributing device used for aeration and connected with aerating gas introducing device. Bubbling plate is fixed inside casing so as to partly overlap casing in its horizontal section and attached without gap to casing side walls. Bladed wheel positioned in the vicinity of one end wall in horizontal plane along the entire width of casing is equipped with rotational drive to provide for movement of lower blades from said wall. Guiding plate fixed under bladed wheel along the entire width of casing is curved along generatrix of wheel blades and attached to plate edge. Froth baffle is arranged between bladed wheel and casing closure in front of branch pipe for discharge of used gas. Mixer positioned in longitudinal slot of casing bottom is connected with drive. Casing is furnished with jacket for supplying of heat-carrier or coolant.
EFFECT: reduced costs of liquid manure or bird dung processing method and improved quality of bioorganic fertilizer.
8 cl, 4 dwg
FIELD: agricultural engineering; fertilizer grinders; additional grinding of raw biohumus from concrete and wooden chutes, beads etc.
SUBSTANCE: proposed grinder-accumulator has working members made in form of shredding drum with L-shaped knives. Working members are arranged on load-bearing trolley where bin-accumulator is mounted; mounted in lower part of this bin-accumulator is unloading unit made in form of spiral; grinder made in form of shaft with rigidly secured straight knives is secured in its upper part. Mounted on bin-accumulator is cyclone for receiving mechanical admixtures. Bin-accumulator is connected with pneumatic pipe line by means of elastic member. Pneumatic pipe line is made in form of double casing with threaded joint in between its walls and injectors. Injectors are connected with thermal fan mounted on load-bearing trolley under bin-accumulator. L-shaped working knives of shredding drum are rigidly secured on its shaft; shredding drum is connected with front part of load-bearing trolley by means of hoisting mechanism and hydraulic cylinders. Shredding drum and pneumatic pipe line are interconnected by means of elastic member for synchronous motion in vertical plane with the aid of said hoisting mechanism and hydraulic cylinders.
EFFECT: improved quality of organic fertilizers.
FIELD: mixed fertilizers.
SUBSTANCE: invention aims at manufacturing organomineral fertilizers completed with trace minerals minimally remote from crop-growing areas. Method comprises mixing poultry dung with phosphorus-, nitrogen-, and potassium-containing components followed by adding trace minerals. Organic base of fertilizer comprises vegetative mass waste and wastes produced in bean and licorice seed threshing operations. Phosphorus-containing component includes double superphosphate from phosphorite flour and sludge originated from pig-breeding farm settlers. Nitrogen-containing component includes two to four-year decomposition poultry dung. Potassium-containing component includes manure from temporary-storage areas near pig-breeding farms. Sources of space minerals are ground and processed slime solutions, metallurgy waste, and naturally occurring bischofite solution. Homogenous mixture is supplemented by paraffin-containing refinery waste as binding substance. Mixing is carried out for 20-50 min and naturally occurring bischofite solution and paraffin-containing refinery waste are added into mixer at 60-90°C. Organic fertilizer manufacture installation comprises in series installed interconnected cinematic and mechanic raw material transportation means, dung accumulator, centrifuge connected over pipeline to effluent accumulator to withdraw liquid fraction, raw material stirring means, raw material hot-air driers, raw material hopper-accumulator, and finished produce-discharge conveyer. Installation is also provided with crusher for vegetative mass, bean and unconditional licorice seed threshing products, and containers, gate members hydraulically connected with containers, and pumps for supplying liquid paraffin-containing waste and bischofite solution. Installation is further provided with delivering hoppers to separately deliver phosphorite flour and complex powdered minerals from metallurgical etching waste slimes. Component stirring means is cinematically connected over screw transportation means to hoppers-accumulators for 2-4-year decomposition poultry dung and for 2-year decomposition cattle manure, centrifuge, and granulating extruder. The latter is connected to drum drier over conveyer band.
EFFECT: increased fertilizing value of product.
2 cl, 6 dwg, 5 tbl
FIELD: agriculture, in particular, processing of plant growing, poultry and animal farming wastes with the use of vermiculite culture, may be used in farms and private houses for utilization of human and animal activity wastes.
SUBSTANCE: apparatus has casing, horizontally positioned perforated member adapted for accommodation of wastes and vermiculite culture, and water receiving device. Casing is made in the form of cylindrical segment. Perforated member is spaced from cylindrical member axis by distance making 50-75% the radius of cylindrical segment. Water receiving device is made in the form of part of cylindrical segment arranged under perforated member. Apparatus is equipped with frame. Casing is mounted on frame for lifting to an angle of up to 45 deg and is furnished at its ends with gates for discharging contents therefrom and with water inlet and water outlet branch pipes. Method involves placing onto perforated member preliminarily prepared material to be processed and having pH=6-8 and basic amount of worms; wetting said material to predetermined moisture content at preliminarily selected temperature; providing composting while maintaining predetermined temperature and moisture content in layer of material under process. Said layer has thickness of from 20 to 50% the radius of cylindrical segment. Lower part of casing is filled with water, which is heated by means of heaters to temperature of 19-210C. Worms are introduced into said layer of material in an amount of from 50 to 400 species per 1 m3 of material under process. Composting process is provided at temperature of 20-230C and layer moisture content in the range of 60-85% for 1-3 months. Upon termination of composting process, ready compost is discharged from casing.
EFFECT: simplified construction and method, reduced labor intensity and increased efficiency.
8 cl, 1 dwg
FIELD: agricultural engineering.
SUBSTANCE: apparatus has biofermenter with delivery and drawing fans equipped with control system including thermal couple connected with automatic control device. Apparatus has conical perforated air duct communicated with delivery fan and directed thereto with its wider part. Aerating grids are secured above perforated air duct on biofermenter floor by means of longitudinal supports.
EFFECT: increased efficiency and simplified construction.
4 cl, 2 dwg
FIELD: agriculture and urban-municipal economies.
SUBSTANCE: the invention is intended for application in agriculture and urban-municipal economies for rational use of a urban household waste products and different organic agricultural waste products with production from anaerobic fermentation products of used for the power purposes fuel biogas and the high-quality decontaminated from pathogenic microflora, helminths, their eggs and seeds of the weeds mineralized organic fertilizers with a high share of humus and other stimulators of different plants growth and bearing. The method of a serial phase-by-phase anaerobic fermentation of fermentable organic waste products is conducted in a methane tank divided by a vertical partition not reaching its bottom into two unequal by volume chambers, in the upper part of the smallest of which there is a protected by a perforated fencing loading-unloading elevator of the waste products, where the first sour phase of the fermentation by a symbiosis of splitting microorganisms at pH less than 7.0 is conducted. Products of organic substance disassimilation of wastes products and vital activities of microorganisms are fed in the second phase of fermentation at pH - 7.2 in the form of methanic microorganisms basically in the greater chamber of the methane-tank with formation of a fuel biogas. Unfermentable substances and different impurities without their sorting unload by the elevator from the methane-tank. The technical result is realization of the serial phase-by-phase anaerobic fermentation of different state organic household waste products with different impurities without their grounding, sorting and dilution; a capability to separate and remove the unfermented waste products and impurities, the fullest disassimilation with production of the greatest quantity of the decontaminated fertilizer with the greatest share of humus, stimulators of growth and bearing of plants and the greatest outlet of a fuel biogas.
EFFECT: the invention ensures realization of the serial phase-by-phase anaerobic fermentation of different state organic household waste products, production of the greatest quantity of the decontaminated fertilizer, humus and a fuel biogas.
6 cl, 6 dwg
FIELD: agriculture and municipal economy.
SUBSTANCE: the is intended for use in municipal economy and in agriculture for a sequential phase-by-phase anaerobic fermentation of different solid non-graded and non-ground fermentable organic waste materials of cities and settlements, waste products of agricultural enterprises, agricultural farms, bungalows and households with production out of them of the high-quality decontaminated from a pathogenic microflora, helminths, their eggs and seeds of weeds, liquid mineralized organic fertilizers with a good share of humus and a combustible biogas used for the power purposes. The methane-tank contains a horizontal basin separated by internal alternately not reaching up to the top and the bottom of the basin cross partitions for the gas sections with the gas collectors and the liquid flowing through communicating chambers with draw-off taps, a loading and an unloading connecting pipes, heaters of fermentable mass and a gas pipeline of a gasholder linked to the gas collectors of gas sections. The basin has a built-in chain-scraper type loading-unloading elevator with a drive, which horizontally located one over another working branches with a perforated fence between them and around of them are inserted from the direction of a loading connecting pipe inside the basin below the level of the fermentable liquid organic mass set in the basin. The gas collector of the first gas section is connected with a gas pipeline of drawing the biogas off from the section into an injector interacting with a discharge pump pumping out of a fermentable mass of the chamber and boosting it back into the chamber through a connected with it injector and a disperser of the gas-liquid mixture formed in the injector. The technical result: improvement of the methane-tank design, provision of an efficient splitting of the solid fermentable organic substances of the waste products and the greatest output of the high-quality liquid mineralized saturated with humus organic fertilizers and a combustible biogas of high calorific value.
EFFECT: the invention ensures upgrade of the methane-tank design and the greatest output of the high-quality liquid mineralized saturated with humus organic fertilizers and a combustible biogas of high calorific value.
4 cl, 5 dwg
FIELD: agriculture, in particular, equipment for processing of organic agricultural wastes under anaerobic conditions, may be used for producing of biogas from organic wastes.
SUBSTANCE: bioenergetic apparatus has helium collector, methane tank with water jacket and heat insulation, inlet and outlet branch pipes, biogas discharge pipes, electric water heater, water pipelines and gas holder. Helium collector is made in the form of unit with Sterling engine operating in conjunction with heating pipe. Sterling engine is connected through belt transmission with electric generator and is equipped with biogas boiler to provide for continuous operation of system during periods, when there is no solar radiation, said boiler being connected through pipeline with gas holder.
EFFECT: increased efficiency, stabilized heating of substrate under fermentation process, and enhanced reliability in operation of apparatus for producing of biogas in the absence of centralized electric energy source.