JP3127212B1 - Deodorizing and harmful gas decomposing equipment for food and beverage waste processing equipment - Google Patents

Abstract

An object of the present invention is to remove harmful components and odor in exhaust gas and improve deodorizing efficiency. A stirring blade (21) is provided in a processing tank (20) so that food waste can be fermented and extinguished at a high temperature together with a bacterial bed (C) in which microorganisms are reproduced. (2
An exhaust port (23) communicating with the outside of the main body (10) is formed at one side of the upper part of (0), so that a number of harmful components and odors in the exhaust gas generated during the fermentation / extinction process of food waste are removed. A deodorizer (30) for removing through a step, the deodorizer (30) includes a thermal reactor (40) that decomposes by burning toxic gas in exhaust gas by high-temperature direct heat,
A moisture reactor (50) for removing the wet gas that has passed through the thermal reaction process, and a low-temperature reactor having a two-stage catalyst material for removing malodorous components in the exhaust gas that has undergone the two-stage reaction process. A configuration including a reactor (60).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing and harmful gas decomposing device for a food waste treatment machine, and more particularly, to a food waste containing a large amount of toxicity and water, and a sawdust on which microorganisms are cultured. When the fermentation and extinction are performed together with stirring in the processing bath at the optimum temperature, the exhaust gas containing the wet steam is passed through a multi-stage reactor to remove toxic components and odors in the exhaust gas. The present invention also relates to a deodorizing and harmful gas decomposing apparatus capable of improving the deodorizing efficiency.

[0002]

2. Description of the Related Art In general, methods of reclaiming food and drink garbage derived from eating habits in a reduced state or reusing them as feed and fertilizer have been universalized. But 2 in case of landfill
In the case of re-use, this process adds to the economical burden of the process. However, since its toxicity has not been verified, there is a problem that there is always a risk of collective death when breeding animals.

[0003] In recent years, a so-called recycling method has been introduced in which food waste is composted using microorganisms and then returned to the soil as fertilizer. In this case, in urban areas, compost can be rapidly processed. And the mass production of other forms of garbage, and by limiting composting to aerobic bacteria,
There has been a problem that complete decomposition is impossible, for example, a substance that is hardly decomposable remains, as well as a delay in decomposing the trash.

[0004] In particular, in the conventional treatment in which food waste is agitated at a high temperature together with a microbial bed on which microorganisms are cultured to extinguish the waste, a high humidity exhaust gas generated in the treatment process is used. By deodorizing the gas by the direct combustion method or the existing catalyst method, etc., in the deodorizing process, the odorous and toxic components in the exhaust gas are released to the atmosphere without being completely removed, and of course, the air pollution is increased. However, there is a problem that the deodorizing efficiency is low.

[0005] The above-mentioned conventional equipment has a circulating device for forcibly circulating the exhaust gas generated from the agitation processing tank, which is installed inside the agitation processing tank.
In order for the high humidity vapor contained in the exhaust gas to cause frequent repair and maintenance while weakening the drive of the rotating fan of the circulation device, and for the combustion deodorization device that thermally decomposes the exhaust gas to maintain high temperature There is also a disadvantage that much electric power is consumed in the operation of the electric heater.

The present invention has been devised in consideration of the above-mentioned problems of the conventional exhaust gas deodorizing apparatus, and has as its object to produce food and drink debris when fermenting and extinguishing them in a stirring tank. It is an object of the present invention to provide a deodorizing and harmful gas decomposing apparatus for a food and drink garbage disposer capable of improving the deodorizing efficiency by passing exhausted wet gas through a multi-stage reaction tank.

[0007] Another object of the present invention is to provide a deodorizing and harmful gas decomposing apparatus for a food and drink garbage disposer capable of reducing the operating cost associated with the operation of the deodorizing apparatus and extending the service life of the equipment. To provide.

[0008]

In order to achieve the above object, the present invention provides a door (11) inside a body (10).
The food and drink garbage thrown in
Motor to be fermented and extinguished at high temperature with floor (C)
The stirring blade (21) driven by (22) is a processing tank.
(20), on one side of the upper part of this processing tank (20).
Forming an exhaust port (23) communicating with the outside of the main body (10)
Emissions generated during the fermentation and extinction of food and beverage garbage
Removes harmful components and odors in gas through multiple steps
In the case where the deodorizing device (30) is installed,
The odor device (30) converts toxic gas in exhaust gas to high-temperature direct heat.
A thermal reactor (40) that burns and decomposes in the
Moisture reactor for removing wet gas that has passed through the reaction process (50)
And offensive odor in the exhaust gas after the above two-step reaction process
Low-temperature reactor equipped with two-stage catalytic material to remove
(60), wherein the thermal reactor (40) includes a zeolite,
Loess, clay and ceramics are mixed in the proper ratio and
Manufactured in crucible form to withstand heat radiation and high heat
The electric heater (41) is buried on the side wall of the crucible.
And the internal space of the thermal reactor (40) has high combustion efficiency.
The heating element (42) to be raised is interposed .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a deodorizing and harmful gas decomposing apparatus for a food waste disposal machine according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the overall configuration of a food and beverage refuse treatment machine to which the decomposition apparatus of the present invention is applied, and FIG.
FIG. 3 is a cross-sectional view from the front showing an embodiment of the disassembling apparatus of the present invention, FIG. 3 is a cross-sectional view from the side of FIG. 2, FIG. 4 is an enlarged cross-sectional view of the disassembly apparatus of FIGS. FIG. 2 is a sectional view showing an operation state of the disassembling apparatus according to the present invention.

Food and drink trash introduced through the door 11 and a bed C made of sawdust from which at least one kind of microorganisms are reproduced are accommodated in the body 10 and fermented and eliminated at a high temperature. A processing tank 20 is provided. Inside the processing tank 20, a stirring blade 21 driven by a motor 22 is provided so as to stir various kinds of materials.

A large number of electric heaters (not shown) are provided on the inner peripheral surface of the processing tank 20 to conduct high heat to the input material therein. After the blades 21 are driven for about 5 minutes, about 3 minutes
Stopping for 0 minutes is preferable to increase the decomposing ability of anaerobic bacteria as well as aerobic bacteria.

A main body 10 is provided on one side of the upper part of the processing tank 20.
An exhaust port 23 is formed which communicates with the outside of the vehicle, and the exhaust port of the exhaust port 23 removes harmful components and odor of exhaust gas generated during fermentation and extinction of food waste through a number of steps. A deodorizing device 30 is provided.

The deodorizer 30 includes a thermal reactor 40 for decomposing toxic gas in exhaust gas by burning it with high-temperature direct heat, and a moisture reactor 50 for removing wet gas that has passed through the thermal reaction process.
After removing the malodorous components in the exhaust gas that has undergone the above-described two-stage reaction process, the low-temperature reactor 60 is provided with the two-stage catalyst material from the cooled gas.

The above-mentioned thermal reactor 40 is formed in a crucible form in which zeolite, ocher, terra alba, ceramic and the like are mixed in an appropriate ratio, which has a high heat effect by reflected heat and can withstand high heat. Although manufactured, an electric heater 41 is embedded and installed inside the crucible, and a heating member 42 for improving combustion efficiency is interposed in the internal space of the thermal reactor 40.

The moisture reactor 50 has a structure in which a large number of balls 51 made of four or more ceramic materials such as loess are housed in a stacked manner.
When the high-temperature exhaust gas that has passed through the deodorizing process is passed through, the humid gas containing toxic gas such as ammonia, methane gas, and odor is collected and absorbed, while the high heat (about 600
Oxygen in the H ₂ O component of the wet gas absorbed at ℃ promotes combustion, and hydrogen passes while burning harmful gas and odor with high heat of heat reflection effect (about 850 ℃) due to the combustion interaction The exhaust gas is converted to dry gas.

The low-temperature reactor 60 has two types of catalyst materials 61.
Is installed, and the dry gas that has undergone the above-described one or two-stage deodorization process undergoes a filtration reaction at each temperature, thereby removing the bad odor in the exhaust gas again (the first stage is 35).
0 ° C or higher, the second stage is lower than 350 ° C).

On the outer peripheral surface of the moisture reactor 50, there is provided a heat exchange chamber 52 for exchanging heat with the outside air forcibly supplied by a pump 70 so as to be converted to a high temperature. A hose 71 for supplying high-temperature air to the inside of the processing tank 20 is connected to one side.

As shown in FIG. 5, a partition wall 81 is provided above the processing tank 20 so that air inside the processing tank 20 is circulated.
After the air is sucked from the processing tank 20 through the inflow port 82 at the base point, the cooling air is again
A circulating fan 80 for allowing the circulating fan 80 to flow into the cooling fan 85 is mounted. A cooling fan 85 for cooling the circulating fan 80 is provided on the same axis of a motor 84 that drives the circulating fan 80.

On the other hand, the microorganisms put into the treatment tank 20 are:
Aerobic bacteria that oxidize and decompose organic matter to produce ammonia, carbon dioxide, and water while requiring oxygen, and oxidize or anaerobic organic matter in a friendly manner to the given environment with or without oxygen. It is preferable to mix three types, such as a facultative anaerobic bacterium that decomposes into water, and an anaerobic bacterium that rapidly decomposes and generates an alcohol or an organic acid even under oxygen-free conditions.

[0020] Such other types of microbial organisms, when combined with each other's properties, have an ascending action to complement each other, thereby increasing the decomposing ability of food and drink garbage, thereby reducing food and drink garbage. It can be rapidly decomposed and completely destroyed.

Therefore, carbohydrates, proteins, fats, etc., which are the main components of food and drink garbage, are decomposed into low-molecular substances, such as carbohydrates, glycerin and amino acids, which are easily satiated by microorganisms by oxygen generated from the microorganisms themselves. Then, the microorganisms are rapidly increased by being saturated by the microorganisms, and are changed into inorganic water, carbon dioxide, and ammonia while being increased, and such substances include moisture due to the fermentation heat of the bacterial bed C on which the microorganisms are grown. The gas is annihilated by being evaporated and discharged.

The microbial bed C, which is put into the treatment tank 20 and in which the microbial group is cultured, provides a sufficient oxygen supply to the microbes and facilitates the movement of moisture and nutrients in food and drink garbage.
It will provide an environment compatible with the maturation of microorganisms,
As an ideal microbial bed C, one having high water retention and good air permeability, and having good abrasion resistance so that water is not well evaporated is preferable.

The water content of the bacterial bed C has an effect on the decomposition rate of food and drink garbage and the generation of offensive odors, and maintains an optimum water content for efficient disposal of food and drink garbage. Is preferred. At this time, the most preferable moisture content of the microbial bed C is 20 to 40 (w / w%), and water is added to the microbial bed C so as to adjust the water content in order to maintain such a water content. I do.

When the water content of the bacterial bed C is lower than 20%, it seems that the moisture transfer from the food waste to the bacterial bed C is smooth and the treatment speed is high. The result is that the debris tends to dry, which results in weak microbial activity and poor decomposition.

If the water content exceeds 40%, the oxygen supply becomes insufficient in the fungal bed C while being in an excess state together with the water content of food and drink garbage, thereby reducing the reproduction of aerobic bacteria. On the other hand, it is often the case that anaerobic bacteria are activated and the decomposition power is reduced, and that the odorous substances such as hydrogen oxide and methane and organic acids remain and the treatment efficiency is reduced. Could be confirmed through overlapping experiments.

Therefore, about 60 w% of the bacterial bed C having an appropriate water content is put into the treatment tank 20 of the present invention, and an appropriate amount of food and drink garbage is put in the state where the microorganisms are cultured. Then, the motor 22 is driven (stop for 30 minutes-4 hours of operation) to rotate the stirring blade 21, so that various microorganisms start to get saturated while food and drink garbage are mixed in the bacterial bed C.

In the above process, the optimum temperature required for the process is 45 to 55 ° C. In order to maintain such a temperature, the electric heater installed in the processing tank 20 is operated. To

Further, at the time of the above-mentioned processing operation, the water reactor 5
A high-temperature air is supplied to the inside of the processing tank 20 via a hose 71 via a heat exchange chamber 52 provided on the outer peripheral surface of the processing tank 20, and a circulation fan 8 mounted on the upper side of the processing tank 20.
0 is operated, air is sucked from the processing tank 20 through the inlet 82 with the partition wall 81 as a base point, and then the cooling air is flown into the processing tank 20 again through the outlet 83, whereby the microorganisms reproduced in the bacterial bed C are obtained. While supplying oxygen to the air to increase aerobic bacteria, it also enhances the decomposability of food and drink garbage, and at the same time, promotes the discharge of generated inorganic substances such as water and carbon dioxide, and stirs the processing materials. This makes it possible to improve the contact between the garbage of food and drink and the microorganisms regenerated in the fungal bed C while improving the air permeability, and to enhance the decomposition power of the anaerobic bacteria.

As described above, when the air is supplied and circulated, the outside air at room temperature is supplied to the processing tank 20 while being changed to a high temperature by heat exchange so that heat loss can be minimized and the air is circulated. The circulating fan 80 is continuously cooled by the cooling fan 85 from the cooling pipe 86 installed on the same shaft of the drive motor 84, thereby preventing the circulating fan 80 from being damaged by high heat, The service life can be extended.

In the process of treating food and drink garbage over a long period of time, when the properties of the bacterial bed C are changed, a new bacterial bed C
The replacement time is preferably about 2 months, and the bacterial bed C to be discarded is manufactured as a high value-added activated carbon (fermentation assistant) through a separate process. Reuse is more effective than the method.

On the other hand, the exhaust gas generated when the food waste is processed through the above-described process is discharged through an exhaust port 23 formed at one upper portion of the processing tank 20 so as to communicate with the outside of the main body 10. Through a thermal reactor 40 that burns and decomposes the toxic gas in the exhaust gas with high-temperature direct heat, a moisture reactor 50 that removes the wet gas that has passed through the thermal reaction process,
In order to remove the malodorous components in the exhaust gas after the two-step reaction process, the exhaust gas passes through a deodorizer 30 including a low-temperature reactor 60 having at least one catalyst material.

Therefore, a mixture of zeolite, loess, clay, ceramic and the like in an appropriate ratio is manufactured in the form of a crucible so as to withstand high heat, and a thermal reaction in which an electric heater 41 is embedded in the side wall of the crucible. The exhaust gas is combusted by the heating device 42 and the heating member 42 interposed in the internal space to remove malodorous components, and then the moisture reactor 50 having the above-described interior provided with a large number of balls 51 made of a ceramic material is laminated. In the process in which the exhaust gas that has undergone the one-stage deodorization process is passed by the thermal reactor 40, ammonia, methane gas,
Oxygen (O) in the H ₂ O component of the wet gas, while collecting and absorbing the humid gas containing toxic gas such as odorous gas and odor, converts the passed exhaust gas into a dry gas while acting to promote combustion. To be converted.

The dried gaseous gas that has undergone the above-described one- or two-stage deodorization process is subjected to a filtration reaction by a low-temperature reactor 60 having a two-stage catalyst material 61, whereby the exhaust gas in the exhaust gas is removed. The odor is removed again.

[0034]

As is apparent from the above description, according to the present invention, a microorganism preparation which is harmless to the human body is matured on a fungal bed provided with an appropriate moisture content, and food and drink garbage is poured into the maturation. However, by stirring under the condition that the optimal temperature and the appropriate amount of oxygen are held, the food waste can be completely decomposed and eliminated, and the toxic and odorous components in the exhaust gas generated in this process Can be completely removed through a multi-stage deodorizer to prevent environmental pollution, and can be used safely anywhere in the city center.

In addition, the residue generated after the garbage of food and drink is eliminated is reused as activated carbon (fermentation aid) to improve added value, while reducing the operating cost of the deodorizing device by any conventional method. Compared with this, it is possible to save 50% or more and improve the economic efficiency.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall configuration of a food and beverage refuse treatment machine to which a decomposition apparatus of the present invention is applied.

FIG. 2 is a front sectional view showing one embodiment of the disassembling apparatus of the present invention.

FIG. 3 is a cross-sectional view as viewed from a side surface of FIG. 2;

FIG. 4 is an enlarged sectional view of the disassembly device of FIGS. 2 and 3;

FIG. 5 is a sectional view showing an operation state of the disassembling apparatus according to the present invention.

[Explanation of symbols]

 Reference Signs List 20 processing tank 21 stirring blades 22, 84 motor 23 exhaust port 30 deodorizer 40 thermal reactor 41 electric heater 42 heating member 50 moisture reactor 51 ball 52 heat exchange chamber 60 low temperature Reactor 61 ... Catalyst material 70 ... Pump 71 ... Hose 80 ... Circulation fan 85 ... Cooling fan

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F23G 7/06 B09B 3/00

Claims (1)

(57) [Claims] A motor (1) is provided so that food waste introduced into the body (10) through a door (11) is fermented and eliminated at a high temperature together with a bacterial bed (C) in which microorganisms are reproduced. A stirring blade (21) driven by 22) is installed in the processing tank (20), and an exhaust port (23) for communicating with the outside of the main body (10) is formed at one upper side of the processing tank (20). A deodorizing device (30) for removing harmful components and bad odors in exhaust gas generated in the process of fermenting and extinguishing food and drink garbage through a number of steps, wherein the deodorizing device (30) is A thermal reactor (40) for combusting and decomposing toxic gas in exhaust gas by high-temperature direct heat, a moisture reactor (50) for removing wet gas passing through the thermal reaction process, To remove odorous components in exhaust gas that has undergone a three-step reaction process A low-temperature reactor (60) provided with a two-stage catalyst material , wherein the thermal reactor (40) comprises a zeolite, a loess, a clay and a clay.
Mic, etc. are mixed at an appropriate ratio to increase the efficiency of reflected heat and high heat
Made in the form of a crucible to withstand, the side of the crucible
An electric heater (41) is embedded and installed on the wall,
The internal space of (40) is designed to improve combustion efficiency.
A deodorizing and toxic gas decomposing device for a food and drink garbage disposal machine, wherein the heating member (42) is interposed .