JP2011083654A - Organic waste treatment apparatus and method of producing fertilizer and solid fuel containing organic waste as component using the apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an organic waste treatment apparatus which can produce an organic waste fertilizer and a solid fuel by a small and light apparatus and a simple method, and a method of producing the organic waste fertilizer and the solid fuel. <P>SOLUTION: In the organic waste treatment apparatus 10, an organic waste conveying and agitating vessel 20 and an aging and agitating fermentation vessel 30 are arranged continuously, and a quicklime feeder 40 is installed. The organic waste conveying and agitating vessel is provided with charging hoppers 22, 23 disposed on the upper part thereof for charging organic waste and keeps a screw conveyor 24 arranged therein for conveying the organic waste to the aging and agitating fermentation vessel while agitating the organic waste. The aging and agitating fermentation vessel is provided with the quicklime feeder on the upper part thereof, and a discharge port 33 for discharging an aged and fermented product and disposed at a predetermined position of the end opposite to the end arranged continuously to the organic waste conveying and agitating vessel. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an apparatus for treating organic waste, and a method for producing fertilizer and solid fuel containing organic waste as components.

  Examples of conventional methods for treating organic waste such as livestock manure include “composting method and apparatus for organic waste” (Patent Document 1) described in JP-A No. 2002-160063, No. 142977, “Method and Reuse Method for Livestock Manure, etc.” (Patent Document 2), and “Apparatus for Making Waste such as Livestock Manure, etc. as Fertilizer” (Patent Document 2) Patent Document 3) is known.

  The known technique described in Patent Document 1 is a large-scale plant apparatus having processing mechanisms such as an aging fermentation process, a deodorizing process, and a drying process using a heat generator, and a large amount of livestock excreta is stirred with a screw. Has been proposed as a continuous fertilizer.

  The known technique described in Patent Document 2 is a relatively large processing apparatus having processing mechanisms such as a deodorizing process, a sterilizing process, a dehydrating process, a non-bromide process, and a fermentation ripening process. It has been proposed as a device for fertilizer by leaving manure excrement obtained by continuously agitating livestock manure and the like with a screw for a predetermined period.

  Furthermore, the known technique described in Patent Document 3 is provided with a reaction zone for mixing livestock manure and quicklime, a stirrer, a hot air generator, and a drying zone equipped with a conveyor transport device to provide a large amount of livestock manure and the like. It has been proposed as a device that drops and transports in a stepwise fashion and continuously fertilizes.

  However, any of the proposals of the above-mentioned known techniques have been proposed as devices for continuously fertilizing a large amount of livestock manure, etc., and these devices may be too large and introduced. Due to cost and installation space problems, small dairy farmers and pig farmers could not actively introduce it, and had to entrust their own treatment and manure processing companies.

  On the other hand, most of processing equipment such as livestock manure has been developed and provided as a regeneration processing equipment that turns into fertilizer, but organic solid fuel is produced by adding high-calorie substances such as wood chips and organic waste oil to manure. It did not have a means.

Japanese Patent Laid-Open No. 2002-160063 JP-A-9-142777 JP 2002-160987 A

  In view of the above problems, the present invention aims to provide a device for treating small and lightweight organic waste, and a method for producing fertilizer and solid fuel containing organic waste as a component by a simple method. It is a problem to provide.

  In order to solve the above-mentioned problems, the present invention is an organic waste treatment apparatus in which an organic waste conveying and stirring tank and an aging stirring and fermenting tank are connected in series and provided with a quicklime charging device, the organic waste conveying and stirring The tank is provided with a charging hopper for charging organic waste at the top, and a screw conveyor for transporting the organic waste to the aging and stirring fermentation tank while stirring the organic waste in the tank. The stirred fermenter is equipped with a quick lime charging device at the top, and is provided with a discharge port for discharging the aged and fermented product at a predetermined portion of the end facing the end connected to the organic waste transporting stirred tank. An agitating conveyor for conveying the organic waste and quicklime to the discharge port while stirring the organic waste is disposed therein, and the quicklime charging device includes a charging hopper for charging quicklime at the top, Quicklime A screw conveyor for conveying to the aging agitation fermenter is arranged, and the screw conveyor of the organic waste conveyance agitation tank and the agitation agitation fermenter of the aging agitation fermenter are on one drive motor as the same shaft. It is connected and is configured to carry and stir.

  Further, the present invention provides the organic waste treatment apparatus, wherein the charging hopper provided at the upper part of the organic waste transport and stirring tank includes a charging hopper for charging dry organic waste, and a charging for charging water-containing organic waste A configuration provided separately from the hopper may be employed.

  Furthermore, this invention can take the structure by which the waste-oil injection | throwing-in apparatus for charging | throwing-in organic waste oil is provided in the upper part of the said aging stirring fermenter in the said organic waste processing apparatus.

  Furthermore, in the organic waste treatment apparatus, the present invention may be configured such that a deodorizing device for deodorizing malodor is provided on the upper part of the aging stirred fermenter.

  Furthermore, the present invention provides a drive motor for driving the screw conveyor of the quick lime charging device, the screw conveyor of the organic waste conveying and stirring tank, and the stirring conveyor of the aging stirred fermentation tank in the organic waste treatment apparatus. It is also possible to adopt a configuration linked to the.

  Further, the present invention is a method for producing a fertilizer containing organic waste as a component using the organic waste treatment apparatus, wherein an input step of inputting organic waste, and the input organic waste An agitation step of stirring, an input step of adding quick lime to the stirred organic waste, an aged fermentation step of stirring and fermenting the organic waste charged with the quick lime with a screw, and the aging / fermentation An organic waste fertilizer manufacturing method in which fertilizer is manufactured by a discharging step of discharging a product formed and a drying step of drying the discharged product.

  Furthermore, this invention can take the structure whose said organic waste is a dry organic waste and a water-containing organic waste in the manufacturing method of the said organic waste fertilizer.

  Still further, the present invention may be configured such that the organic waste is manure in the method for producing an organic waste fertilizer.

  The present invention also relates to a method for producing a solid fuel containing organic waste as a component using the organic waste treatment apparatus, wherein the organic waste is charged, and the charged organic waste. Agitation step of agitating, a charging step of adding quick lime and organic waste oil to the stirred organic waste, and aged fermentation for stirring and aging and fermenting the organic waste charged with the quick lime and organic waste oil A process, a discharging process for discharging the product formed by aging and fermentation, a mold forming process for putting the discharged product into a mold, and a drying for solidifying the product put into the mold by drying. It is the manufacturing method of the organic waste solid fuel which manufactures solid fuel according to a process.

  Furthermore, the present invention may employ a configuration in which the organic waste is a dry organic waste and a water-containing organic waste in the method for producing an organic waste solid fuel.

  Still further, the present invention can be conceived in the method for producing an organic waste solid fuel, wherein the organic waste is at least one or both of manure and wood chips.

  According to the organic waste treatment apparatus according to the present invention, an organic waste conveying and stirring tank for fertilizing organic waste such as manure and fertilizer and a mature stirring and fermenting tank are connected in series, and are small driven by a single drive motor.・ It is a lightweight and low-priced organic waste treatment device that has a mechanism that stirs a certain amount of organic waste with a certain amount of quicklime for a certain period of time to ensure aging and fermentation, and thus has an odorless and sterilizing effect. Therefore, it can be provided as a manure processing apparatus for relatively small-scale livestock farmers.

  Further, according to the organic waste treatment apparatus according to the present invention, the quick lime charging device for charging quick lime provided at the upper part of the aging stirring fermentation tank includes the screw conveyor of the organic waste transport stirring tank and the stirring conveyor of the aging stirring fermentation tank. By interlocking with a drive motor for driving the organic waste treatment apparatus, the organic waste treatment apparatus itself can be reduced in weight and simplified, and the cost of the apparatus itself can be reduced.

  Further, according to the organic waste treatment apparatus according to the present invention, not only organic waste can be regenerated as fertilizer, but also it can be regenerated as solid fuel by being provided with a waste oil charging device. Can be used effectively, and has the effect of contributing to the environment.

It is sectional drawing which shows embodiment of the organic waste processing apparatus concerning this invention (Example 1). It is sectional drawing which shows another embodiment of the organic waste processing apparatus concerning this invention (Example 2). It is a flowchart which shows the manufacturing process of the organic waste fertilizer concerning this invention (Example 3). It is a flowchart which shows the manufacturing process of the organic waste solid fuel in this invention (Example 4).

  The present invention is an organic waste treatment apparatus in which an organic waste conveying and stirring tank and an aged stirring and fermenting tank are connected in series and driven by a single drive motor, and a fixed amount of organic waste is converted into a fixed amount of quicklime. Along with a structure that is fertilized by aging fermentation for a certain period of time, and a structure that contains wood chips and organic waste oil to form solid fuel, the organic fertilizer and solid fuel can be selected arbitrarily The greatest feature is that it is an organic waste treatment apparatus that can be manufactured in the same manner. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a cross-sectional view showing an embodiment of an organic waste treatment apparatus 10 according to the present invention.
The size of the organic waste treatment apparatus 10 is not limited. For example, the organic waste treatment apparatus 10 has external dimensions of approximately 4.4 m in length, 1.9 m in height, and 1.1 m in width, which can be accommodated in a 20-foot container size. The organic waste treatment apparatus 10 is connected to two cylindrical treatment tanks horizontally and is operated by a single drive motor 11.
More specifically, the organic waste processing apparatus 10 includes an organic waste conveying and stirring tank 20 and an aging stirring and fermenting tank 30 that are connected to each other and include a quicklime charging apparatus 40.

The organic waste conveying and stirring tank 20 is provided with input hoppers 22 and 23 for supplying organic waste to the upper part thereof. The charging hoppers 22 and 23 are preferably provided separately from the charging hopper 22 that inputs the dry organic waste K and the charging hopper 23 that inputs the water-containing organic waste S. In the drawing, such a configuration is adopted. Shows about the case. By separating the dry organic waste K and the water-containing organic waste S, the water content of the product can be adjusted by adjusting the amount of each input.
Moreover, the organic waste conveyance stirring tank 20 becomes a structure by which the screw conveyor 24 for conveying the organic waste to the aging stirring fermentation tank 30 is stirred in the tank.

The aging stirring and fermenting tank 30 includes a quick lime charging device 40 for charging quick lime F into an upper portion thereof, and is provided at a predetermined position at an end facing the end connected to the organic waste transport and stirring tank 20. A discharge port 33 is provided for discharging the aged and fermented product.
Moreover, the agitation stirring fermenter 30 has a configuration in which a stirring conveyor 34 for transporting the organic waste and quicklime F to the discharge port 33 while stirring the organic waste is provided.
The position where the discharge port 33 is provided in the aging stirred fermenter 30 is not particularly limited as long as it is an end facing the end connected to the organic waste transport stirred tank 20, and considering the product discharge efficiency. The structure provided in the side part in view of the stirring efficiency of organic waste and quicklime F, etc. can be considered in the bottom part of the aging stirring fermenter 30. In the drawing, the case where it is provided at the bottom is shown.

The quick lime charging device 40 is provided with a charging hopper 42 for charging quick lime F at an upper portion, and a screw conveyor 44 for transporting the quick lime F to the aging and stirring fermenter 30 is disposed therein. Reference numeral 44 is connected to the drive motor 41.
For the drive motor 41, for example, a motor with a speed reducer (0.4 kW) is used.

The screw conveyor 24 in the organic waste conveyance agitation tank 20 and the agitation conveyor 34 in the aging agitation fermenter 30 are the same shaft 14, the power source is the same drive motor 11, and the transmission chain The driving force is transmitted by 12.
For the drive motor 11, for example, a motor with a reduction gear (3.7 kW) is used.

In addition, as shown to drawing, it can be set as the structure provided with the waste oil injection | throwing-in apparatus 31 for supplying the organic waste oil T in the upper part of the aging stirring fermenter 30. FIG.
That is, the object of the present invention is to make the product easy to burn as a solid fuel by adding an oil in the solid fuel treatment of organic waste.

Moreover, as shown to drawing, it can be set as the structure provided with the deodorizing apparatus 13 for deodorizing a bad smell in the upper part of the ageing | stirring stirring fermenter 30. FIG.
That is, the purpose is to remove the malodor generated in the aging / fermentation stage of the organic waste by the deodorizing device 13.
In addition, the removed odor is sent to another deodorization mechanism, and a malodor decomposition process is performed.

  The organic waste processing apparatus 10 according to the present invention configured as described above is an apparatus that inputs a certain amount of organic waste and aged and fermented with quick lime F for a certain period of time. For example, organic waste can be input manually, and continuous operation can be performed by appropriately installing an input conveyor, timer, limit switch, sensor, heater, blower, electromagnetic valve, carry-out conveyor, etc. It is also possible to provide an automatic processing apparatus capable of

FIG. 2 is a cross-sectional view showing another embodiment of the organic waste treatment apparatus 10 according to the present invention.
That is, the organic waste treatment apparatus 10 according to the present embodiment is an organic waste conveyor 44 of the quick lime charging apparatus 40 for charging the quick lime F provided in the upper part of the aging stirring fermenter 30 in the embodiment of Example 1 described above. The configuration is interlocked with the drive motor 11 for driving the screw conveyor 24 of the waste conveyance stirring tank 20 and the stirring conveyor 34 of the aging stirring fermentation tank 30.
By adopting such a configuration, the drive motor 41 for driving the screw conveyor 44 of the quicklime charging device 40 becomes unnecessary, and the weight and cost can be reduced.
In addition, about the difference in the rotation speed of the screw conveyor 24 of the organic waste conveyance stirring tank 20, the stirring conveyor 34 of the aging stirring fermentation tank 30, and the screw conveyor 44 of the quicklime charging apparatus 40, the transmission chain 12 and a separate gear are provided. Is enough.

Next, a method for producing a fertilizer containing organic waste as a component using the organic waste treatment apparatus 10 will be described.
FIG. 3 is a flowchart showing a manufacturing process of organic waste fertilizer according to the present invention, that is, a fertilizer containing organic waste as a component is manufactured through the following steps.

(1) Input process The organic waste is input from the input hoppers 22 and 23 provided in the upper part of the organic waste transport and stirring tank 20. At this time, by adjusting the dry organic waste K and the water-containing organic waste S at a constant rate while adjusting, the moisture of the organic waste fertilizer as a product can be adjusted. Further, as such organic waste, manure such as livestock can be considered.

(2) Stirring Step The organic waste (dried organic waste K and water-containing organic waste S) is stirred by the screw conveyor 24 in the organic waste transporting and stirring tank 20 and transported to the aging stirred fermentation tank 30.

(3) Inputting process In the aging stirring fermenter 30, the quicklime F is injected into the organic waste transported from the organic waste transporting stirring tank 20 by the quicklime charging device 40. At this time, quicklime F is introduced at a rate of, for example, 5 to 8% with respect to the weight ratio of the organic waste.

(4) Aging and fermentation step The organic waste and quicklime F in the aging and stirring fermenter 30 are stirred and aged for a certain period (about 10 minutes) by the stirring conveyor 34. At this time, since the aging fermentation temperature is about 80 to 90 ° C., a bactericidal effect is obtained by the action of this heat. In this step, the bad odor generated in the aging stirred fermenter 30 is removed by the deodorizer 13.

(5) Discharge process The organic waste that has been aged and fermented in the aging stirred fermenter 30 is turned into a product from the outlet 33 provided in the aging stirred fermenter 30 by the rotational feed action of the stirring conveyor 34. It is discharged sequentially.

(6) Drying process Since the discharged product is at a high temperature at the time of aging and fermentation, it is naturally cooled or artificially cooled as necessary, and dried to a predetermined moisture content. . The means for drying may be either natural drying by sunlight or forced drying by a machine / equipment. For example, a means for forced drying using a superheated steam generator can be considered.
The dried product is completed as an organic waste fertilizer.

Next, a method for producing a solid fuel containing organic waste as a component using the organic waste treatment apparatus 10 will be described.
FIG. 4 is a flowchart showing a manufacturing process of an organic waste solid fuel according to the present invention, that is, a solid fuel containing organic waste as a component is manufactured through the following steps.

(1) Input process The organic waste is input from the input hoppers 22 and 23 provided in the upper part of the organic waste transport and stirring tank 20. At this time, by adjusting the dry organic waste K and the water-containing organic waste S at a constant rate while adjusting, the moisture of the organic waste fertilizer as a product can be adjusted. Further, as such organic waste, feces and urine from livestock, wood chips C and the like can be considered.

(2) Stirring step The organic waste (dried organic waste K and moisture-containing organic waste S) is stirred and conveyed to the aging stirred fermenter 30 by the screw conveyor 24 in the organic waste transport and stirring tank 20.

(3) Input process In the aging stirring fermenter 30, quick lime F is supplied to the organic waste transported from the organic waste transport stirrer 20 by the quick lime input device 40, and the organic waste oil T is supplied to the waste oil input device 31. To input. At this time, quicklime F is introduced at a rate of, for example, 5 to 8% with respect to the weight ratio of the organic waste. The organic waste oil T may be used tempura oil or the like, and is added to the organic waste at a ratio of, for example, about 10 to 15% by weight.

(4) Aging and fermentation step The organic waste, quicklime F and organic waste oil T in the aging and stirring fermenter 30 are stirred and aged for a certain period (about 10 minutes) by the stirring conveyor 34. At this time, since the aging fermentation temperature is about 80 to 90 ° C., a bactericidal effect is obtained by the action of this heat. In this step, the bad odor generated in the aging stirred fermenter 30 is removed by the deodorizer 13.

(5) Discharge process The organic waste that has been aged and fermented in the aging stirred fermenter 30 is turned into a product from the outlet 33 provided in the aging stirred fermenter 30 by the rotational feed action of the stirring conveyor 34. It is discharged sequentially.

(6) Forming process The product discharged from the discharge port 33 of the aging stirred fermenter 30 is cooled or placed in a predetermined form 15 while maintaining a high temperature. At this time, a press is applied as necessary to prepare the mold.

(7) Drying process The product put in the predetermined mold 15 is dried to a predetermined moisture content and solidified. The means for drying may be either natural drying by sunlight or forced drying by a machine / equipment. For example, means for forced drying using a superheated steam generator can be considered.
The solidified product is completed as an organic waste solid fuel.

  INDUSTRIAL APPLICABILITY The present invention can be easily used as a recycling apparatus for organic waste such as raw garbage, vegetable scraps, fish debris and used tempura oil discarded from homes, shops and factories, as well as sawdust and wood chips. Can be used as a fuel for heating in depopulated areas and heavy snowfall areas. Organic waste can be reclaimed as an effective resource and can be used industrially. It is understood that the nature is extremely high.

DESCRIPTION OF SYMBOLS 10 Organic waste processing apparatus 11 Drive motor 12 Transmission chain 13 Deodorizing apparatus 14 Shaft 15 Formwork 20 Organic waste conveyance stirring tank 22 Input hopper 23 Input hopper 24 Screw conveyor 30 Aging and stirring fermenter 31 Waste oil input apparatus 33 Discharge port 34 Stirring Conveyor 40 Quick lime input device 41 Drive motor 42 Input hopper 44 Screw conveyor C Wood chip F Quick lime H Fertilizer K Dry organic waste N Solid fuel S Water-containing organic waste T Organic waste oil

Claims (11)

An organic waste treatment apparatus in which an organic waste conveying and stirring tank and an aging stirring and fermenting tank are connected in series and provided with a quicklime charging device,
The organic waste conveying and stirring tank is provided with a charging hopper for charging organic waste at the top, and a screw conveyor for conveying the organic waste to the aging and stirring fermenter while stirring the organic waste in the tank. And
The aging agitation fermenter is equipped with a quick lime charging device at the top and provided with a discharge port for discharging the aged and fermented product at a predetermined portion at the end opposite to the end connected to the organic waste conveyance agitation tank. In the tank, an agitation conveyor for conveying the organic waste and quicklime to the discharge port while agitating is disposed,
The quick lime charging device is provided with a charging hopper for charging quick lime at the top, and a screw conveyor for transporting quick lime to the aging stirred fermenter is disposed inside,
The organic waste processing apparatus, wherein the screw conveyor of the organic waste conveying and stirring tank and the stirring conveyor of the aging stirring and fermenting tank are connected to a single drive motor as the same shaft, and are conveyed and stirred. .   In the organic waste treatment apparatus, the charging hopper provided in the upper part of the organic waste conveying and stirring tank is provided separately from a charging hopper for charging dry organic waste and a charging hopper for charging water-containing organic waste. The organic waste treatment apparatus according to claim 1, wherein the organic waste treatment apparatus is provided.   The organic waste according to claim 1 or 2, wherein the organic waste treatment apparatus is provided with a waste oil input device for supplying organic waste oil at an upper portion of the aging stirred fermenter. Material processing equipment.   The organic waste according to any one of claims 1 to 3, wherein in the organic waste treatment apparatus, a deodorizing device for deodorizing malodor is provided at an upper portion of the aging stirred fermenter. Material processing equipment.   In the organic waste treatment apparatus, the screw conveyor of the quick lime charging apparatus is interlocked with a drive motor for driving the screw conveyor of the organic waste conveyance stirring tank and the stirring conveyor of the aging stirring fermentation tank. The organic waste treatment apparatus according to any one of claims 1 to 4. A method for producing a fertilizer comprising organic waste as a component using the organic waste treatment apparatus,
An input step of adding organic waste, an agitation step of stirring the input organic waste, an input step of adding quick lime to the stirred organic waste, and an organic waste charged with the quick lime A fertilizer is produced by an aging fermentation process in which the product is aged and fermented by stirring with a screw, a discharge process for discharging the product obtained by aging and fermentation, and a drying process for drying the discharged product. And manufacturing method of organic waste fertilizer.   The method for producing organic waste fertilizer according to claim 6, wherein the organic waste is a dry organic waste and a water-containing organic waste.   The method for producing organic waste fertilizer according to claim 6 or 7, wherein the organic waste is manure. A method for producing a solid fuel containing organic waste as a component using the organic waste treatment apparatus,
An input step of introducing organic waste, an agitation step of stirring the input organic waste, an input step of adding quick lime and organic waste oil to the stirred organic waste, and the quick lime and organic waste oil Aging and fermenting process in which the organic waste charged with is aged and fermented by stirring with a screw, a discharging process for discharging the product that has been aged and fermented, and a mold that puts the discharged product into a mold An organic waste solid fuel production method comprising producing a solid fuel by a frame step and a drying step of solidifying the product put in the mold by drying.   The method for producing an organic waste solid fuel according to claim 9, wherein the organic waste is a dry organic waste and a water-containing organic waste.   11. The method for producing an organic waste solid fuel according to claim 9, wherein the organic waste is at least one or both of manure and wood chips. Method.

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