JPH09227262A - Compost producing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to shorten the period for fermentation and to mass produce the treated products of org. refuse, such as vegetable scrap and left-overs formable as compost. SOLUTION: This composite producing apparatus is composed of an agitating device 1 into which the org. refuse, such as vegetable scrap and left-overs, produced from fruit and vegetable markets, school lunch centers and the kitchens of homes, etc., and fermentation bacteria are charged and agitated, a fermentation device 25 for fermenting the org. refuse after agitation by the agitating device and a heat insulating device for fermenting the org. refuse in the fermentation device by holding the org. refuse always at the prescribed temp. The agitating device 1 is provided with a vacuum means for maintaining a vacuum state in the agitating tank 2 and a heat insulating means for maintaining always the prescribed temp.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for producing compost, and more specifically, in order to efficiently utilize the function of fermenting bacteria, fermentation can be carried out in a short period of time by keeping the inside of the stirring tank anaerobic and controlling temperature. The present invention relates to a compost manufacturing apparatus capable of producing a large amount of compost.

[0002]

2. Description of the Related Art Various types of compost producing apparatuses have been proposed and are also put to practical use. Then, these conventional compost manufacturing apparatuses are basically configured such that a fermenter and a stirring tank for fermenting fermenting bacteria together with organic waste such as vegetable scraps and leftovers and aerobically stirring the same are used. Stirrer equipped with a stirring tank for throwing in organic waste such as foodstuffs, vegetable scraps, and leftovers, and a fermentation apparatus equipped with an aerobic fermentation tank for carrying out fermentation by putting fermenting bacteria together with the stirred organic waste. It is known that it is configured.

[0003]

However, in each of the above-mentioned compost producing apparatuses, it is possible to produce a large amount for a short period of time due to aerobic fermentation. However, this method is effective for organic waste. It means that the ingredients are not fully utilized. Further, in the case of a compost manufacturing apparatus using an anaerobic fermenting bacterium instead of an aerobic fermenting bacterium, the fermentation period is long, and a large amount of processed products of organic waste used as compost is produced at one time. There were problems such as not being able to do so.

The present invention solves the above problems, shortens the period of anaerobic fermentation in particular, and can produce a large amount of processed products of organic waste such as vegetable scraps and leftovers to be composted. The task is to propose a manufacturing apparatus.

[0005]

[Means for Solving the Problems] As a means for solving the above problems, a composting apparatus according to the present invention is used for producing vegetable scraps, leftovers, etc. from vegetables and vegetables markets, school lunch centers and kitchens of households. A stirring device that throws in and stirs organic waste and fermenting bacteria, a fermentation device for fermenting the organic waste after being stirred by the stirring device, and the organic waste in the fermentation device is always under a predetermined temperature. In the composting apparatus constituted by a heat retaining device for fermenting in, the stirring device, a vacuum means for bringing the inside of the stirring tank into a vacuum state, and a heat retaining means for always maintaining a predetermined temperature. Is provided.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of an embodiment of the present invention will be described below with reference to the drawings.

The composting apparatus according to the present invention, as shown in FIGS. 1 to 3, includes a stirring device 1, a fermentation device 25, and a heat retaining device 4.
It is mainly composed of 0 and. The stirring device 1 is provided with vacuum means and heat retention means.

In the stirring device 1, a rotating shaft 3 is arranged in the central longitudinal direction inside a cylindrical stirring tank 2 made of metal, and the rotating shaft 3 is divided into four stages and is derived in the horizontal direction. The stirring blade 4 is fixed at an angle. The stirring tank 2 is supported by four supporting legs 5, and a pedestal 6 forming a landing is formed on the side surface on the hopper side described later.

The lower part of the rotary shaft 3 is supported by a bearing part 7 provided on the bottom of the stirring tank 2, and the upper part thereof is above the stirring tank 2.
It is fixed to the drive shaft 9 of the motor 8 arranged on the upper surface of the device by appropriate means.

A hopper 10 for introducing organic waste (not shown) such as vegetable scraps and leftovers is formed near one side of the upper surface of the agitation tank 2, and the hopper 10 has an opening / closing lid 11. Is provided. An outlet 12 for taking out the stirred organic waste is formed near one side of the bottom surface of the stirring tank 2, that is, on the side opposite to the hopper 10. An opening / closing lid 13 is slidably provided at the outlet 12.

Next, the vacuum means for bringing the inside of the stirring tank 2 into a vacuum state is a vacuum pump 14 and the vacuum pump 14 described above.
And a motor 16 for driving the vacuum pump 14, and a pipe 16 is connected to the vacuum pump 14. Further, the pipe 16 is branched in two directions in the middle, one end 16a of the pipe 16 is arranged and fixed so as to be positioned inside the upper part of the stirring tank 2, and the other end 16b thereof is a side surface of the stirring tank 2. It is arranged and fixed so that it is located inside from the bottom.

The heat retaining means for keeping the inside of the stirring tank 2 at a predetermined temperature at all times warms the water (not shown) in the room 17 formed so as to surround the periphery and the bottom of the stirring tank 2. The circulating pump 19 includes a heater 18, a circulating pump 19 for circulating hot water warmed by the heater 18 in the room 17, and a motor 20 for driving the circulating pump 19. A pipe 21 is connected to 19.

One end 21a of the pipe 21 is arranged and fixed so as to be positioned from the upper side of the chamber 17 to the inside thereof, and the other end 21b is positioned from the bottom side of the chamber 17 to the inside thereof. Placed and fixed. Also,
The heater 18 is incorporated in the middle of a pipe 21 connected to the lower portion of the circulation pump 19.

A partition plate 23 is provided in the chamber 17, the partition plates 23 are alternately notched at their tips, and are sent to the upper part of the chamber 17 by the circulation pump 19 by the partition plate 23. The warm water is formed so as to fall downward while rotating around the outside of the stirring tank 2. Then, the circulation pump 19 again sends it to the upper part in the room 17.

The chamber 1 of the stirring tank 2 is circulated by the circulation pump 19.
In order to prevent the temperature of the hot water sent into the inside 7 from being affected by the outside air temperature, the outside of the room 17 is covered with a heat insulating material (not shown) to achieve the purpose.

Next, a fermentation apparatus 2 for accommodating and fermenting organic waste (not shown) stirred in the stirring tank 2 of the stirring apparatus 1
Reference numeral 5 denotes a substantially cylindrical metal fermenter 26, a chamber 28 formed so as to surround the fermenter 26, and an opening / closing lid 29 provided in an opening above the fermenter 26. It is configured. A punching plate 27 is arranged near the inner bottom of the fermenter 26. The fermentor 25 is movably formed by a caster 30 provided at the bottom.

A partition plate 31 is provided in the chamber 28, and the partition plates 31 are alternately notched at their tips and are fixed to the lower part of one side of the chamber 28 by the partition plate 31. The warm water that has entered from 32 rises while going around the outside of the fermenter 26, and is formed so as to flow out to the outside from the connection pipe 33 fixed to the upper part of one side of the chamber 28.

A drain pipe 34 is attached to one side of the lower part of the fermenter 25, and one end of the drain pipe 34 is attached to the fermentation tank 26.
While the other end is located outside the fermentation apparatus 25 and the valve 35 is fixed.

In order to prevent the temperature of the hot water sent into the room 28 formed outside the fermenter 26 from being affected by the outside air temperature, the outside of the room 28 is provided with a heat insulating material (not shown). The purpose is covered by covering.

Next, the heat insulation device 40 is a partition plate 37 provided in the lateral direction of the central portion inside a horizontally elongated heat insulation tank 41 made of a metal.
It is formed by an upper chamber 41a and a lower chamber 41b which are separated from each other by the upper chamber 41a and the lower chamber 41b.
Seven connecting pipes 42 and 43 are fixed to the front sides of and. A connecting pipe 44 is provided between the central portion on the back side of the upper chamber 41a and one side of the lower chamber 41b on the back side.
45 is fixed, and the connecting pipes 44 and 45 are connected via a pipe 47. In the middle of the pipe 47, the circulation pump 4 driven by the motor 48 is used.
9 are incorporated.

A heater 50 is provided at the center of the upper portion of the upper chamber 41a, and the tip of the heater 50 is at the top of the upper chamber 41a.
It is located in a. Further, a thermostat 51 is provided on one side surface of the lower chamber 41b, and a drain pipe 52 is provided on the lower portion thereof. The tip of the thermostat 51 is located in the lower chamber 41b, and a valve 53 is fixed to the drain pipe 52.

The heat retaining device 40 is supported by four support legs 55, and a connecting pipe 42 provided in the upper chamber 41a of the heat retaining device 40 and a connecting pipe provided in the upper part of the chamber 28 of the fermentation device 25. 33 is detachably connected via a pipe 56. In addition, the heat retention device 40
Pipe 43 and fermentation apparatus 2 provided in the lower chamber 41b of
The connection pipe 32 provided in the lower part of the compartment 28 of No. 5 is detachably connected via a pipe 57.

An upper chamber 41a and a lower chamber 41b of the heat retaining tank 41,
In order to prevent the temperature of the hot water circulating in the room 28 of the fermentation tank 26 from being affected by the outside air temperature in the heat insulating tank 41, a heat insulating material (not shown) is provided outside the heat insulating tank 41.
The purpose is achieved by covering with.

Since the composting apparatus is constructed as described above, when using it, first, organic waste (not shown) such as vegetable scraps and leftovers is put into the stirring tank 2 of the stirring apparatus 1. At the same time, EM bacteria (trade name, blur), which is a useful microorganism used as a fermentation bacterium, is also added at the same time to perform stirring and crushing. In this case, the inside of the stirring tank 2 is evacuated in a timely manner by the operation of the vacuum pump 14 of the vacuum means, and the heat insulating means circulates to keep the inside of the stirring tank 2 at a predetermined temperature. Hot water is circulated in the chamber 17 formed by the pump 19 so as to surround the periphery and the bottom of the stirring tank 2.
Thereby, the inside of the stirring tank 2 can be maintained in an anaerobic state and the temperature can be controlled, and the action of the EM bacteria can be efficiently utilized. By doing so, about 70 percent of the water content of the organic waste being stirred in the stirring tank 2 is taken.

The temperature in the stirring tank 2 is about 40 to 6 degrees.
It is preferable to keep the temperature in the range of 0 degree, so that the heater 18 of the heat retaining means is set to about 40 in consideration of heat loss of hot water.
It is preferable to adjust in the range of 80 to 80 degrees.

Next, as shown in FIG. 1, a fermentation apparatus 25 in which organic waste (not shown) stirred in the stirring tank 2 of the stirring apparatus 1 is arranged at the outlet 12 provided at the lower portion of the stirring apparatus 1. After transferring to the fermentation tank 26, the fermentation device 25 and the heat retaining device 40 are connected via pipes 56 and 57 as shown in FIG. In this state, by circulating the warm water in the heat-retaining tank 41 by the circulation pump 49 of the heat-retaining apparatus 40, the hot water passes through the room 28 formed so as to surround the fermentation tank 26 of the fermenter 25. Then, it is returned to the heat retaining tank 41 again. In this case, fermenter 2
Reference numeral 6 closes the opening / closing lid 29 to make it in an anaerobic state. By doing so, the temperature in the fermenter 26 can be maintained and the fermentation can be promoted.

The temperature in the fermenter 26 is preferably kept at 35 ° C., whereby the setting of the heater 50 is adjusted in the range of about 20 ° to 40 ° C. in consideration of heat loss of hot water. Is preferred.

Then, the fermenter 26 in the fermenter 25
It is sufficient to take out the processed product after the fermentation of the organic waste in the above step is completed. In this case, the treated product taken out of the fermenter 26 may be dehydrated with remaining water or solidified as required. The processed product thus produced can be used as compost, feed, or the like.

As described above, according to the composting apparatus, the stirring device 1 circulates the warm water by the circulation pump 19 of the heat retaining means in the room 17 formed so as to surround the periphery and the bottom of the stirring tank 2. Therefore, the inside of the stirring tank 2 can be kept at a predetermined temperature at the same time, and at the same time, the vacuum pump 14 of the vacuum means vacuums the inside of the stirring tank 2 in a timely manner. In addition to being able to quickly remove the water contained therein in the process of stirring the organic waste such as sawdust and leftovers, the stirring can be facilitated and the load on the stirring blade 4 and the motor 8 can be reduced. .

The circulation pump 19 of the heat retaining means is used for the room 1
The temperature of the hot water sent to the inside 7 is changed only by changing the setting of the heater 18 of the above-mentioned heat retaining means in accordance with the change in the temperature setting inside the stirring tank 2 depending on the amount of the organic wastes thrown into the stirring tank 2. Can be done easily.

The fermentor 25 closes the opening / closing lid 29 of the fermenter 26 to make it anaerobic, and the hot water in the heat-retaining tank 41 of the heat-retaining device 40 is placed in the room 28 formed so as to surround the fermenter 26. Since the inside of the fermenter 26 is kept at a predetermined temperature by circulating it through the circulation hoop 49, the activity of the EM bacterium, which is a useful microorganism, is promoted, and the organic waste can be fermented in a short period of time.

The temperature of the hot water in the heat-retaining tank 41 of the heat-retaining device 40 can be easily adjusted by changing the setting of the thermostat 51 according to the amount of organic waste in the fermentation tank 26.

The processed product thus produced can be used as compost, feed or the like.

[0034]

As described above, according to the apparatus for manufacturing compost according to the present invention, the stirring device has a vacuum means for keeping the inside of the stirring tank in a vacuum state, and a heat-retaining device for always maintaining a predetermined temperature. Means is provided, the inside of the stirring tank can be always maintained at a predetermined temperature by the heat retaining means, and at the same time, the stirring means can perform a vacuum evacuation in a timely manner. Therefore, the water contained in the organic waste such as vegetable scraps and leftovers can be quickly removed during the stirring process. Then, a large amount of the processed product can be produced in a short period of time only by accommodating the organic waste from which the water has been removed in the fermentation device and performing the fermentation.

Further, the processed product thus produced can be used as compost, feed, etc., so that it is economical.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a relationship between a stirring device and a fermentation device in a compost manufacturing apparatus according to the present invention.

FIG. 2 is a vertical cross-sectional view showing a connection relationship between the fermentation device and the heat retaining device.

FIG. 3 is a plan view showing a connection relationship between the fermentation apparatus and the heat retaining apparatus, with a part thereof omitted.

[Explanation of symbols]

 1 Stirrer 14 Vacuum Pump (Vacuum Means) 15 Motor (Vacuum Means) 18 Heater (Heat Keeping Means) 19 Circulation Pump (Heat Keeping Means) 20 Motor (Heat Keeping Means) 25 Fermenter 40 Heat Keeping Means

Claims (1)

[Claims] 1. A stirrer for throwing in and stirring organic waste such as vegetable scraps, leftovers, and the like and a fermenting bacterium from a fruit and vegetable market, a school lunch center, and a kitchen of each household, and the stirrer. A fertilizer for fermenting the organic waste after, and a composting apparatus configured by a heat retention device for always fermenting the organic waste in the fermenter under a predetermined temperature, in the stirring device. Is a compost manufacturing apparatus, characterized in that it is provided with a vacuum means for bringing the inside of the stirring tank into a vacuum state and a heat retaining means for always maintaining a predetermined temperature.