KR20060111419A - Method and apparatus for recycling of organic wastes and wastes - Google Patents

Abstract

The present invention further improves the problems of the method and apparatus for treating wastes and wastes containing organic matter. The complex process of the mechanical equipment of the conventional process is a simple process, and the equipment having the same function is required to supplement and integrate the existing property and to promote the rapid fermentation of existing properties. Complement the problems of microorganisms, develop and cultivate new complex microorganisms and improve the fermentation process with optimum fermentation conditions to improve livestock waste and organic matter by developing new methods to cultivate and use liquid microorganisms, and to improve the fertilizer separation fermentation problem. The present invention relates to a method and apparatus for recycling waste and excrement containing organic matter into high quality organic solid fertilizer and liquid fertilizer by aerobic fermentation treatment by efficient machinery.

Description

Methods and apparatus for the recycling of organic wastes and wastes

1 is a process block diagram of the present invention.

2 is a process schematic diagram of the present invention.

Figure 3 is a schematic diagram of the absorption type natural fermenter of the present invention

Figure 4, A is a plan view showing a cross-sectional view on the air blaster of the absorption type natural fermentation tank of the present invention

Figure 4, B is a plan view of the boundary induction stirrer of the absorption type natural fermentation tank of the present invention

Figure 5 is a schematic view of a screw conveyor device portion of the absorption type natural fermentation tank of the present invention

<Description of the code | symbol about the principal part of drawing>

DESCRIPTION OF SYMBOLS 1: Organic matter storage tank 2: Pump 3: Raw material input line 4: Boiler

5: microorganism, bulge chaff inlet 6: gas duct (gas duct)

7 heating coil 8 air blaster 9 absorption-type natural fermenter

DESCRIPTION OF SYMBOLS 10 Diffusion apparatus 11 Boundary induction agitator 12 Liquid-liquid separator 13 Liquid-liquid storage tank

14: liquid ratio concentration tank 15: liquid ratio automatic injection port 16, 17: screw conveyor

18: solid fertilizer housing tank 19: automatic cooking machine 20: solid fertilizer packer

21 Compressor 22 Deodorization tower 23 Drive reduction motor 24 Stirrer shaft

25: waste heat duct (Duct) 26: liquid fertilization extraction line 27: boundary induction agitator braid

(Blade) 28,29: Air nozzle 30: Recycling Line

31,32: Air Line

The present invention relates to a method and apparatus for regenerating livestock waste and waste containing organic matter into solid fertilizers and liquid fertilizers by aerobic fermentation treatment by optimal fermentation conditions and efficient facilities, and an active fermentation tank for optimizing conventional fermentation conditions. The function of the active fermentation tank is eliminated and the function is performed in the absorption type natural fermentation tank. In particular, the fermentation conditions are quickly established by using a low-energy boiler, and the soil microorganisms suitable for Korean soil are added. The present invention relates to a method and apparatus for the recycling of wastes and wastes containing organic substances for the purpose of presenting and producing high-quality organic fertilizers.

The livestock manure that occurs in Korea is 14 million tons of pig manure out of 33 million tons per year, accounting for 42% of the livestock manure.

Prior to the 1980s, livestock manure became a major resource for crops or soil improvers in rural areas instead of chemical fertilizers, but livestock consumption increased due to income growth and dietary changes. As the number of livestock raising increased rapidly and scaled rapidly with the change of agricultural structure, the livestock manure exceeded the limit of the amount of land use compared to the acreage in some regions. Manure must maintain a circulatory system that is reduced to farmland, but this balance is broken, causing livestock manure to cause environmental pollution problems. Consequently, livestock manure due to an increase in livestock manure breeding heads is insufficient, resulting in insufficient livestock manure. It is a situation of dumping at sea.

The ultimate goal of livestock manure treatment is a resource recycling system that uses livestock manure to produce environmentally friendly agricultural products.

At present, the treatment methods and facilities are limited to small-scale treatment, and many problems still arise in the facilities and methods. This invention makes it possible to supplement the small-scale problems in terms of treatment cost and to carry out large-capacity treatment. It aims to eco-friendly resource waste and excreta.

Conventionally, there is a waste and processing method and apparatus containing organic matter, which is filed in the prior application No. 10-2006-0007082, which is the shortest by fermentation of aerobic property by organic fertilizer and waste containing organic matter by optimal fermentation conditions and efficient equipment It is an invention that improves the method and apparatus of recycling high quality organic solid and liquid fertilizer in time, and fermentation and drying in a short time by using less energy, and high quality organic fertilizer by efficient water evaporation method and absorption natural fermentation method. In order to achieve the purpose of producing the livestock excretion and waste containing organic matter into the organic storage tank (1) and then into the water evaporation control tank (active tank) by the pump (2) and then the livestock excrement and waste (water 85 ~ 90%) is heated at 80 ° C for 24 hours and at the same time using waste heat (200 ° C to 350 ° C) of boiler exhaust gas And by the moisture contained in the waste to be evaporated by the waste heat Duct and reproduction line (Recycling line) it is conveyed via a pump to a plurality of absorption natural fermentation tank.

At this time, the microorganism and the fermented rice husk chaff and sawdust (10-20%) were added to the fermentation conditions (C / N 10-20, pH 6-8) of 2-4 L / min per 1kg Agitate with boundary induction stirrer 11 for 3 days at oxygen supply and internal temperature (40 ~ 60 ℃), discharge the liquid fertilizer to liquid fertilizer separator 12 after the first fermentation, and store in liquid fermentation tank 13. After the ripening and filtration, the concentration is adjusted in the liquid concentration control tank 14 and then injected into the automatic injector 15. The remaining solid fertilizers are secondary fermentation such as aging and decomposition for 3 days in the absorption type natural fermentation tank, and harmful bacteria are automatically killed so that only beneficial fermentation bacteria remain. The self-weighting and boundary-induced stirrer (11) are housed in screw conveyors (16, 17). And a method and apparatus for treating wastes and excreta containing organic matter discharged to the tank 18 and made to be packaged by the solid fertilizer packing machine 20 after being boiled by the automatic cooking machine 19 for a certain period (14-20 days).

During the fermentation process, the water evaporation adjustment tank is heated for 24 hours and then transferred to a plurality of absorption type natural fermentation tanks. At this time, the entire function of the water evaporation control tank (activation tank), that is, the water evaporation device, the stirring device, the acid device, the transfer device, and the deodorization Functions such as equipment regeneration line are integrated and supplemented in the absorption type natural fermentation tank to eliminate water evaporation control tank (active tank) to avoid the function duplication of equipment, and to prevent facility operation rate decrease according to the maintenance of equipment, The facility limited to manure treatment is capable of large-capacity treatment, labor cost reduction, energy consumption reduction, and facility maintenance cost reduction.

In addition, it uses microorganisms, such as mushroom medium, to help rapid fermentation during the composting process by rapid fermentation.The fermentation and maturation process is different depending on the type of microorganism and the amount of microorganisms. Due to the anaerobic fermentation, bubbles and odors are generated during the production and discharge of solid and liquid fertilizers, and the remaining solid fertilizers remaining under the absorption type natural fermentation tank are removed by anaerobic fermentation. There is a risk of deterioration of the quality of solid and liquid fertilizers, there is a problem such as damage to the soil and plants when fertilizer fertilized in the soil.

In addition, in the absorption type natural fermenter, the air line, which is an oxygen supply device, is supplied only to the upper and lower parts of the fermenter during the fermentation period. Therefore, it becomes an anaerobic fermentation factor due to the lack of oxygen in the middle part of the fermenter and leaves a residual fertilizer in the lower part of the fermenter. The remaining microorganisms were added less when the next raw material was added, but there is a possibility that the problem of removing the residual amount of solid fertilizers during anaerobic fermentation is also likely to occur. In addition, the liquid separator is installed in the center of the stirrer circumference, and the remaining amount of solid fertilizer must be removed to repair, replace, or clean the screen and air line of the liquid separator. During fertilizer discharge, the moisture of solid fertilizer evaporated and hardened frequently due to hot air in the heater box of the lower part of the fermenter.

Therefore, the absorption natural fermentation tank is required to improve the problems that can be anaerobic fermentation due to various problems as described above.

The present invention has been made in order to solve the above problems, the process of simplifying the conventional techniques and processes to perform the function of the conventional active tank in the absorption type natural fermentation tank and to remove the existing active tank When described in detail by the accompanying drawings as follows.

That is, the water evaporation device using the boiler waste heat to optimize the fermentation conditions of the existing active tank function, the boundary induction stirrer (11) for uniform mixing of the upper and lower parts of the raw material, the diffuser device (10) for microbial activity, raw material transport Screw conveyor (16) and (17) device for smoothing the feed, the transfer device capable of transferring the raw material to the absorption type natural fermentation tank (9), the deodorizing device generated in the dry fermentation process of the pig powder, the raw material transfer and input amount can be recognized. Level Indicator, Recycling Line (30) to help evaporate water, etc. can be performed in absorption natural fermentation tank (9) to prevent duplication of function, and facility operation rate according to facility maintenance It is possible to improve the organic resources invented for the purpose of improving the small-scale limited manure treatment as well as reducing labor costs and reducing energy consumption. A.

In addition, to solve the problems of microbial sanctions such as mushroom medium during the composting process, the degree of fermentation progress of livestock waste and organic matter based on the microorganisms predominantly in imported microbial sanctions, fermentation temperature analysis of absorption-type natural fermenter according to fermentation time Of microorganisms from pig meal collected from the barn of nearby livestock farms through countless analytical experiments, such as comparative analysis with fermented products obtained from fermentation of imported microbial products, identification of enzymatic properties, and experiments to remove odor generated during fermentation of pig meal. Eleven strains showing different morphological characteristics of colony, gram staining, and spore staining were isolated.

Based on the analysis of fermentation products, it is important to contain an appropriate amount of organic matter in the soil in order to maintain good soil chemistry, physicality and biologic. If a large amount of organic matter with a relatively low nitrogen content is given relative to the carbon content, the crops cannot use nitrogen because the soil microorganisms use nitrogen in the soil while the organic matter is decomposed, which affects the growth.

In addition, the odor gas discharged from the absorption type natural fermentation tank 9 is determined by the amount of air required for temperature composition and microorganism activity and the amount of evaporated water in the fermentation process, rather than the theoretical amount of air required for aerobic conditions.

The livestock waste and excreta in summer and winter are somewhat different depending on the composition of organic matter, but the activity of each strain was measured to isolate the excellent pig powder fermentation microorganism strain among the 11 identified and identified microbial strains.

Among them, four kinds of microorganisms such as Bacillus licheniformis, KD-1, Ceerus, and permilus are used to ferment Korean soil and short-term fermentation. Of course, by cultivating a unique microorganism that can significantly reduce the odor generated in each process, mixed fermentation in absorption natural fermentation tank (9) to produce high-quality solid and liquid fertilizers and resources

Fermentation Methods, Devices, and Technologies

In addition, due to the high density and high viscosity of the raw materials of the absorption type natural fermentation tank (9), oxygen supply is not smooth, and anaerobic fermentation occurs partially or entirely, resulting in the anaerobic fermentation of the entire raw material. The conventional treatment methods such as deterioration of by-product solids and liquid fertilizers are not effective, and the liquid fertilizer separator 12 is difficult to repair due to the remaining amount of solid fertilizer in the lower part of the fermenter, and hardens due to evaporation of the solid fertilizer. There was a problem such as losing.

Therefore, as a way to solve the above problems, the air line 31, 32 connected to the air supply unit 8, which is an oxygen supply device, is placed on the fermentation tank 9, and the lower portion of the boundary induction stirrer braid ( The air lines 31 and 32 may be additionally installed at 27 to smoothly supply oxygen (FIG. 4 view B),

In addition, the remaining amount of the solid fertilizer in the lower portion of the natural fermentation tank level down the fermentation tank discharge screw conveyor (16) to the lower portion of the fermenter to freely store or remove the remaining amount so that the microbial material remains in the solid fertilizer remaining. You can also remove the balance completely

In addition, the liquid fertilizer separator is installed in the lower center of the stirrer shaft 24 to remove the remaining amount of the solid fertilizer during cleaning and replacement of the screen of the liquid fertilizer 12, the position of the repairable to the absorption type natural fermentation tank side to replace a plurality of It is installed freely, so that the screen can be exchanged and cleaned during fermentation, and the liquid discharge can be done in a short time.

In addition, in order to prevent the solid fertilizer from evaporating and solidifying the moisture of the solid fertilizer in the middle part of the discharge screw conveyor (16) by supplying hot air to the lower part of the fermentation tank during solid fertilizer discharging, the air line (circular) 31), several nozzles 28 are used (Fig. 4 view A) to periodically aeration the air in the air blaster 8 to prevent the phenomenon of solidification.

Therefore, in order to solve the conventional problems of the absorption-type natural fermentation tank (9) as described above, through the fermentation process in the absorption-type natural fermentation tank (9) using organic wastes and wastes during the production and discharge of solid and liquid fertilizers It is a technology to produce fertilizers that produce high quality and fertilizer suitable for Korean soil by preventing anaerobic fermentation.

As described above, the present invention integrates the existing waste treatment method and apparatus with the existing fermentation process to prevent the reduction of the operation rate for optimal fermentation conditions and equipment repair, reduce the cost of equipment maintenance, and simplify the process. It is possible to save labor cost and to develop high quality organic fertilizers by developing and fermenting complex microorganisms suitable for Korean soil, and reducing the odor generated in various fermentation processes and forming optimal fermentation conditions in a short time. By supplementing facilities such as oxygen supply and liquid fertilizer discharging time and solid fertilizer discharging in the existing absorption type natural fermentation tank, it is possible to mass-process severe livestock waste and excrement more effectively without discharge, odorless, no hate and small amount processing. Fundamentally prevent marine dumping of livestock wastewater It will be effective in preventing water pollution and air pollution that may occur during treatment facilities processing

Claims (3)

The livestock waste and excrement containing the organic matter put into the organic matter storage tank (1) was transferred to the water vapor control tank (active tank) through the pump (2) and went through a fermentation process, but the function of the water vapor control tank (active tank), that is, water vaporization Device. Various functions such as agitator, screw feeder, and deodorizer regeneration line 30 can be performed in the absorption type natural fermentation tank (9) to transfer waste and excrement directly to the absorption type natural fermentation tank through the pump (2). Air nozzles 28 and 29 are installed in the boundary induction stirrer braid 27, which removes the water evaporation control tank (active tank) itself and is a separate device for the intermediate part of the absorption type natural fermentation tank. Devices for recycling wastes and excreta containing organic matter with the characteristics of being able to Four kinds of microorganisms (Bacillus licheniformis, KD-1, cereus, pumilus) developed in-house on organic livestock wastes and excreta are cultured and mixed and fermented in absorption natural fermenters to suit Korean soil and significantly reduce odor generation. A method of recycling of wastes and wastes containing organic materials, characterized by rapid fermentation, which can produce high quality solid and liquid fertilizers in a short time. According to claim 2, Livestock waste and excrement containing organic matter, if the oxygen supply is not smooth during the fermenter due to high density, high viscosity, eventually anaerobic fermentation occurs partially or entirely, the entire raw material anaerobic fermentation occurs, and eventually a lot of odor occurs As it is inevitable to deteriorate the quality of the final by-product solid and liquid fertilizers, the supply of oxygen is inevitable. Therefore, the liquid fermentation separator for the prevention of anaerobic fermentation in the absorption type natural fermenter can be easily supplemented, and the internal screen can be cleaned and replaced easily. A number of liquid fertilizers are used to prevent solidification of solid fertilizers by changing the installation position to facilitate time liquid fertilizer discharge and installing a plurality of liquid fertilizer separators and leveling down the discharge screw conveyor 16 for the remaining amount of solid fertilizers. Installation of air blaster 8, etc. How to avoid the ever anaerobic fermentation and recycling a waste slurry containing organic matter and one to ensure smooth supply of oxygen due to aerobic fermentation to recycling the solid and liquid fertilizers.

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