KR200174353Y1 - Garbage disposer - Google Patents

Abstract

The present invention relates to a treatment apparatus for completely decomposing and extinguishing various food wastes by microorganisms. The food wastes are accommodated in the drum 1 and supplied with a constant temperature, humidity and air, and a sustained microbial culture for fermentation. A stirred fermenter (M) configured to stir and ferment food waste by means of a stirring screw (2) rotated in the drum (1) as the power source (D) is driven; Part of the primary purified air via the deodorization tank 20, the gas containing the odor generated in the fermentation process is re-supplied into the stirred fermenter (M) with external air, and the rest of the adsorption filter (21) and It consists of a deodorizing circulation system (C) which passes the inside of the heating combustion heater 26 and discharges the completely purified odorless air to the outside of the device, and controls to optimize temperature, humidity, air, etc. By applying microbial mixed culture that can be activated by input and can survive for a long time, the input food waste is completely decomposed and the treatment efficiency is significantly improved and the cost is reduced.It is also used indoors by completely decomposing odor gas generated during the destruction of food waste. Not only is this possible, it also relates to a food waste disposal apparatus that can minimize environmental pollution.

Description

Food Waste Disposal Device

The present invention relates to a treatment apparatus that completely decomposes and dissipates various food wastes by microorganisms, and in particular, minimizes the residues of food wastes by a series of circulating treatment processes, and also causes odors generated in the treatment process. The present invention relates to a food waste disposal apparatus capable of completely purifying gas to minimize environmental pollution.

Food waste, which occupies most of the household waste generated at homes and restaurants, contains a lot of water, making it impossible to incinerate.In landfills, food is decayed over time, causing severe odors due to food decay. It is the main cause of the problem.

The general composition of food waste consists of 85% moisture, 13% organic matter and 2% inorganic matter. The element composition consists of 45% carbon (C), 7% hydrogen (H), and 32 oxygen (O). %, Nitrogen (N) 3.6%, sulfur (S) 0.2%, and other 12.2%.

In order to decompose these food wastes and minimize the waste of wastes, various treatment devices have been proposed along with various studies from various fields, but they are not achieving great results.

In recent years, there has been an increasing number of food wastes that are crushed into a sewer by using a grinder in homes and restaurants, but this method is very easy to dispose of food waste, but has a larger problem of contaminating water supplies. have.

Currently used food waste treatment methods include drying, dehydrating and reducing weight by mechanical compression, microorganisms are introduced into a treatment tank containing food waste, and the appropriate temperature, humidity and air (oxygen) are supplied. It is widely known to compost into fermentation by decomposition.

In addition, as a deodorizing method for removing odor during fermentation, chemical formula, microbial type and combustion type deodorizing method are known.

However, the above formula deodorization method has a problem that it takes a lot of trouble and maintenance cost to periodically replace the deodorant, and the microbial deodorization method has to maintain the conditions that the volume of the device is large and the microorganisms are mature There was a difficult management problem, the combustion deodorization method has a problem in that a lot of energy is required to maintain a high temperature at all times.

In addition, according to the conventional fermenter has a problem that the decomposition degree of the food waste does not escape the initial stage, the treatment efficiency is low. In other words, by decomposing large organics such as cellulose, liglin, and microorganisms, humic acids such as barren and humic acid, and inorganic matters such as earth and sand particles, ammonia and phosphorus, only about 40% of reduction effect is obtained and the rest is discharged to compost. Will be.

In addition, in the conventional fermenter, the microbial agent is directly added to the food waste, and thus, the consumption of expensive microbial agents is expensive, which is uneconomical. .

In addition, although a dehydration apparatus for treating a gas containing malodor which is inevitably generated in the fermentation process is attached to the conventional food waste treatment apparatus, it is mainly insufficient to completely purify malodorous gas because it depends on only a deodorizing filter or chemicals. It was.

The present invention has been devised to solve the above problems, by controlling to optimize the conditions such as temperature, humidity and air required for the decomposition of food waste can be completely disassembled and destroyed food waste in a short time, By applying the microbial mixed culture medium that can be activated and survived for a long time, it can improve the processing efficiency and reduce the cost of food waste, and minimize the environmental pollution by completely purifying the odorous gas generated during the fermentation process of food waste. It is an object of the present invention to provide a food waste disposal apparatus having a decomposing, extinguishing and deodorizing function.

1 is a front view schematically showing the internal structure of a food waste processing apparatus according to the present invention;

Figure 2 is a rear view schematically showing the structure of the deodorizing circulation system of the food waste treatment apparatus according to the present invention,

3 is a plan view schematically showing the internal structure of the present invention,

Figure 4 is a left side view schematically showing the internal structure of the present invention,

5 is a front view showing the stirring screw structure in the stirring fermenter according to the present invention,

6 is an enlarged view of a part of the stirring blade according to FIG.

7 is a front view showing the heater and the adiabatic structure of the stirring fermenter drum according to the present invention,

8 is a cross-sectional view taken along the line A-A according to FIG.

9 is an enlarged view of a portion B of FIG. 8.

Explanation of symbols on the main parts of the drawings

C; Deodorizing circulation system C1; Reodorization System

C2; Purification waste container D, D1; Power source

M; Stirred fermenter W; Heating

One ; Drum 1a; temperature Senser

2 ; Stirring screw 3; driving axle

4 ; Food waste inlet 5; Waste outlet

6; Air inlet 7; Gas vent

8 ; Plate heater 9; thermic rays

10; Insulation cover 11; Stirring blade

11a; Scraper 12; support fixture

13; Auxiliary support 20; Deodorization tank

20a; Gas inlet 20b; Gas outlet

20c; Bulkhead 20d; Wet Treatment Room

20e; Dry processing chamber 20f; driving axle

20 g; Wet deodorizing disc 20h; Wet Deodorant

20i; Dry deodorizing discs 21; Adsorption Filter

22; Gas delivery pipe 23; Branch pipe

24; Intake pipe 25, 27; Pan

26; Heated combustion heater 26a; Heating combustion pipe

26b; Hot wire 26c; heater

28; Air circulation inlet pipe 29; Purified Air Transfer Pipe

30; Drive motor 31; reducer

32, 33; Sprockets 34; chain

Food waste treatment apparatus according to the present invention for achieving the above object is a stirred fermenter to accommodate the food waste and supply a predetermined temperature, water, air and microorganisms and then stirred to ferment; The exhaust gas containing the odor generated in the fermentation process is first purified in a deodorizing tank, and a part of the primary purified air is re-supplied into the stirred fermenter together with external air, and the other is completely purified through a multi-stage filtration process. It consists of a deodorizing circulation system to discharge odorless air to the outside of the device.

The food waste processing apparatus accommodates food waste in a drum, supplies a constant temperature, humidity, and air, injects a sustained microbial culture for fermentation, and then rotates in the drum by driving a power source. A stirred fermenter adapted to ferment food waste by stirring; Part of the primary purified air through the deodorization tank of the gas containing the odor generated in the fermentation process is re-supplied into the stirred fermenter together with external air, and the rest is completely purified by passing through the adsorption filter and the heating combustion heater. Characterized in that it consists of a deodorizing circulation system to discharge the odorless air to the outside of the device.

A plurality of plate heaters disposed below the drum on an outer circumferential surface of the drum; A heating wire connected to the plate heater and disposed to surround the drum outer circumferential surface; A temperature sensor for detecting a temperature of the drum and controlling the temperature of the drum to be maintained within a set temperature range; Heat insulating means consisting of a heat insulating cover surrounding the outer circumferential surface of the drum to maintain the plate heater and the heating wire is characterized in that it is installed.

The stirring screw is inserted into the center line of the drum drive shaft which is driven to rotate by a power source; The helical rotation structure is formed by a continuous band having a predetermined width at a radial position in contact with the inner circumferential surface of the drum around the drive shaft, and both ends thereof are wound in a reverse direction by one pitch, and along the outer line thereof. A stirring blade having a plurality of scrapers attached at regular intervals; Characterized in that composed of a support and an auxiliary support for integrally connecting the stirring blade and the drive shaft.

The microbial culture is characterized in that formed by culturing microorganisms fermentable at a temperature of about 35 ° C (medium temperature) or 55 ° C (high temperature) in sawdust or chaff.

The deodorizing circulation system comprises a gas delivery pipe for outflow of odor gas generated in the fermentation process in the stirred fermenter; A deodorization tank connected to the gas delivery pipe and primarily purifying the odor gas introduced from the stirred fermenter through a multi-step wet and dry deodorization process; An intake pipe for introducing fresh air from the outside and a fan for forced suction are installed on one side of the branch pipe which is configured to force circulation of primary purified air discharged through the gas discharge port of the deodorization tank in two directions. Re-deodorization system is installed at the front end of the air circulation inlet pipe connected to the stirring fermenter; The other side of the branch pipe is provided with a secondary purification adsorption filter and a fan, and at the front end thereof, a purge air transfer pipe is provided to the outside, and at the end of the purge air transfer pipe, the secondary purge air transferred through the pipe is finally received. Characterized in that consisting of a purification exhaust pipe is installed with a heating combustion heater to purify.

The heating combustion heater is characterized in that the heating wire is wound in a spring shape in a cylindrical heating combustion tube, and both ends of the heating wire are drawn out to one place so as to be connected to a heater installed on one side of the heating combustion tube.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 is a front, back, planar and left side view showing the overall structure of the device of the present invention, as shown in the food waste treatment apparatus according to the present invention is a food waste drum (1) ) And a constant temperature, moisture, air (oxygen), and supplying a sustained microbial culture for fermentation, the stirring screw (2) rotated in the drum (1) in accordance with the drive of the power source (D) A stirred fermenter (M) configured to ferment food waste by stirring; The gas containing the malodor generated in the fermentation process is introduced into the deodorization tank 20, and some of the primary purified air through the predetermined deodorization process in the deodorization tank 20 is combined with external air to the stirred fermenter (M). ) And the rest is composed of a deodorizing circulation system C which passes through the adsorption filter 21 and the heating combustion heater 26 to discharge the completely purified odorless air to the outside of the apparatus.

The stirring fermenter (M) is composed of a cylindrical drum (1) fixedly arranged in the horizontal direction and a stirring screw (2) provided to be rotatable between both side walls of the drum (1).

The food waste inlet 4 and the waste outlet 5 are respectively formed in the upper and lower parts of the drum 1 so as to be openable and closed, and a plurality of air inlet holes 6 and gas are provided on both upper sides of the drum 1. An exhaust hole 7 is formed.

In addition, as shown in Figures 7 to 9, the outer peripheral surface of the drum (1) and a plurality of plate heaters (8) arranged in the longitudinal direction in the lower portion; A heating wire (9) connected to the plate heater (8) and continuously bent left and right repeatedly while surrounding the outer peripheral surface of the drum (1); A temperature sensor 1a for sensing a temperature of the drum 1 to control power supply and shut-off so that the drum 1 can be maintained within a set temperature range; Heating and insulating means (W) consisting of a heat insulating cover 10 surrounding the outer peripheral surface of the drum (1) to keep the plate heater (8) and the heating wire (9) is insulated.

The power source D is fixed to a drive motor 30, a speed reducer 31 for reducing the rotational force of the drive motor 30, and an output shaft end of the speed reducer 31 and an end of the drive shaft 3, respectively. Composed of sprockets 32 and 33 and chains 34 connecting the sprockets 32 and 33. Here, the sprockets 32 and 33 of the power source D may be replaced by belt pulleys and the chain 34 by belts.

In addition, as shown in Figure 5 and 6, the stirring screw (2) is inserted into the drum (1) center line and the drive shaft (3) which is rotationally driven by the power source (D); The spirally rotating structure is formed by a continuous band having a predetermined width at a radial position in contact with the inner circumferential surface of the drum 1 with respect to the drive shaft 3, and both ends thereof are wound in the reverse direction by one pitch in the reverse direction. A stirring blade 11 to which a plurality of scrapers 11a are attached at regular intervals along its outer line; It consists of a support 12 and an auxiliary support 13 for integrally connecting between the stirring blade 11 and the drive shaft (3).

The microbial culture introduced into the stirred fermenter (M) is a spawn agent produced by culturing microorganisms in sawdust or rice hulls, etc., and serves as a catalyst for extinguishing food waste. In general, microorganisms include mesophilic microorganisms, high temperature microorganisms, and the like, and may be classified into anaerobic microorganisms, aerobic microorganisms, and breathable microorganisms.

The microorganism used in the present invention adopts an active proliferative activity by adapting to anaerobic, aerobic and breathable environments regardless of the medium and high temperature environment.

In order to activate the growth of microorganisms, the organic material to be fed, the proper temperature of about 35 ° C (medium temperature) or 55 ° C (high temperature), the appropriate humidity of about 40% to 50%, and the air (oxygen) are evenly provided. Sawdust or chaff are used to meet these environmental conditions. In other words, the sawdust or chaff is not only absorb moisture from the outside to maintain a proper moisture state, but also has heat retention from the heat transferred from the outside, it is excellent in breathability to facilitate oxygen transfer, and tends to solidify Therefore, organic matter such as food waste can penetrate deeply and activate microbial growth.

On the other hand, the deodorizing circulation system (C) is a gas delivery pipe 22 for outflow of odor gas generated in the fermentation process in the stirred fermenter (M); A deodorization tank 20 connected to the gas delivery pipe 22 to primarily purify the odor gas introduced from the stirred fermenter M through a multi-step wet and dry deodorization process; An intake pipe 24 for introducing fresh air from the outside to one side of the branch pipe 23 installed to forcibly circulate primary purification air discharged through the gas discharge port 20b of the deodorization tank 20 in two directions. And re-deodorizing system (C1) is provided with a fan 25 for forced suction, the air circulation inlet pipe 28 is connected to the stirred fermenter (M) at the front end of the branch pipe 23; On the other side of the branch pipe 23, a secondary purification adsorption filter 21 and a fan 27 are installed, and a purification air transfer pipe 29 communicating with the outside is installed at the front end thereof. An end of the tank 29 is composed of a purifying exhaust pipe C2 provided with a heating combustion heater 26 for finally purifying the secondary purifying air transferred through the pipe 29.

The heating combustion heater 26 has a heating wire 26b wound in a spring shape in a cylindrical heating combustion pipe 26a, and draws both ends of the heating wire 26b to one side so as to have one side of the heating combustion pipe 26a. It is to be connected to the heater (26c) installed on the.

On the other hand, the deodorizing tank 20 was applied to the odor removal device proposed by the applicant of the present invention Utility Model Registration No. 92-6614. Briefly, the structure of the multi-stage wet processing chamber 20d and the dry processing chamber (20d) are formed by a plurality of partition walls 20c inside the deodorization tank 20 in which the gas inlet 20a and the gas outlet 20b are formed at both front and rear ends. 20e), and each of the wet treatment chambers 20d has a plurality of wet deodorant discs 20g having wet deodorant wet plate rotated by one drive shaft 20f connected to a separate power source D1. The wet deodorant 20h is installed to be submerged, and the dry processing chamber 20e is provided with a dry deodorant disk 20i filled with a dry deodorant in a porous cylinder rotated by the drive shaft 20f. Here, the wet deodorant wet plate is a porous plate, a mesh or a porous ceramic is used, the wet deodorant (20h) is used NaOH, 4HOCl, H ₂ SO ₄ , 3NaOCl, Cl ₂ and the like, activated carbon is the dry deodorant Used.

As shown in FIG. 2, the deodorization tank 20 having such a configuration is provided through a gas delivery pipe 22 connecting the stirred fermenter M and the gas inlet 20a of the deodorization tank 20. When the odor gas is forced into the deodorizing tank 20, the wet and dry deodorizing disks 20g and 20i are rotated by the rotation of the drive shaft 20f, which receives the driving force from the power source D1.

At this time, the wet deodorant disk (20g) is rotated in the state of the wet deodorant (20h) of each wet processing chamber (20d), so that the wet deodorant wet plate of the wet deodorant disk (20g) in the state absorbed the wet deodorant (20h) The deodorant gas is rotated and the odor gas is first adsorbed or reacted by being brought into contact with the wet deodorant 20h wet to the deodorant wet plate of the wet deodorant disc 20g. Subsequently, the odor gas flows through each of the wet deodorizing disks 20g sequentially, and the wet deodorizing process is repeatedly performed, and then flows into the dry processing chamber 20e and passes through the dry deodorizing disk 20i and filled therein. The odor is adsorbed and purified by contact with the deodorant.

Referring to the overall operating principle of the food waste treatment apparatus according to the present invention having the configuration as described above are as follows.

When the power button of the control panel (not shown) is pressed, the driving motor 30 is driven and the power is transmitted to the drive shaft 3 through the reducer 31 and the chain 34 to rotate the stirring screw 2. do. In the drum 1, food waste and microorganism cultures are introduced at a ratio of 1 to 8 through the food waste inlet 4 at the upper portion, and the plate heater 8 installed at the outer periphery of the drum 1 is operated to operate the drum 1 ) It is heated until the inside maintains a constant temperature. The drum 1 is attached with a temperature sensor to control the heat transmitted by the heating and insulating means (W) does not exceed a predetermined temperature.

As the stirring screw 2 is rotated by the initialization step, the stirring blade 11 and the scraper 11a attached to the stirring blade 11 smoothly stir the food waste to the center of the drum 1. do. The stirring blade 11 allows the microbial degradation to occur actively by crushing the solidified large food mass and simultaneously mixing with the microbial culture. Since both ends of the stirring blade 11 are wound by one pitch, irrespective of the rotational direction of the driving motor 30 by the action of this portion, the stirred food waste is to be collected at the center of the drum 1. There is a tendency.

In this process, according to the action of the microorganism culture added to the drum (1) it is possible to complete degradation. In other words, the injected food waste is decomposed into H ₂ O, H ₂ S, CO ₂ , NH ₄ and amino acids to extinguish 98% of the total, and finally only 2% of inorganic matter including soil particles, ammonia, phosphorus, etc. Will remain. When this inorganic material accumulates in the drum 1, the waste outlet 5 is opened and removed after a period of time (typically, about 6 months), and the removed residue is very useful for improving acidic soil to alkaline soil. It can be used as pollution-free compost for soil.

On the other hand, in the fermentation process as described above, odor gas generated in the drum (1) is forced into the deodorization tank 20 through the gas delivery pipe 22 connected to the gas exhaust hole (7) is a multi-step wet and dry deodorization process After passing through, the primary purifying air is divided into two branches of the re-deodorization system (C1) and the purifying exhaust system (C2) through the branch pipe 23 is forced to circulate.

That is, the fan 25 is operated at one side of the branch pipe 23 corresponding to the re-deodorization system C1 to suck fresh air from the outside through the intake pipe 24 provided at one side thereof and at a high temperature. A portion of the primary purified air is forcedly suctioned to resupply hot oxygen to the drum 1 through the air circulation inlet pipe 28. Therefore, heat loss can be minimized by reusing exhaust heat.

In addition, a separate fan 27 is also operated in the other side of the branch pipe 23 corresponding to the purification pipe (C2) to force suction of the primary purification air discharged from the deodorization tank 20, this purification After the air is purged again through the adsorption filter 21, the air is transferred through the purge air transfer pipe 29, and then discharged to the outside in the final purified state while passing through the heat combustion pipe 26a of the heating combustion heater 26. . At this time, the heating combustion heater 26 is to discharge only the completely purified air by burning off even a small amount of odor and moisture contained in the secondary purification air.

Effects of the present invention that can be expected by the configuration and action as described above are as follows.

The food waste treatment apparatus according to the present invention can completely disintegrate and destroy food waste in a short time by controlling to optimize conditions such as temperature, humidity, and air, and in particular, microorganisms that can be activated by only one dose to survive for a long time By dissolving up to 98% of the total amount of food waste input by applying the mixed culture medium, the food waste disposal efficiency is very high and the cost is remarkably reduced. In addition, it can be used indoors by completely decomposing the odor gas generated during the destruction of food waste. It is possible to minimize the environmental pollution.

Claims (6)

After the food waste is accommodated in the drum 1, a constant temperature, humidity and air are supplied, and a sustained microbial culture for fermentation is put therein, the stirring is rotated in the drum 1 as the power source D is driven. A stirred fermenter (M) adapted to stir and ferment food waste by means of a screw (2); Part of the primary purified air via the deodorization tank 20, the gas containing the odor generated in the fermentation process is re-supplied into the stirred fermenter (M) with external air, and the rest of the adsorption filter (21) and Food waste treatment apparatus characterized in that it consists of a deodorizing circulation system (C) for passing the inside of the heating combustion heater 26 to discharge the completely purified odorless air to the outside of the device. 2. The apparatus of claim 1, further comprising: a plurality of plate heaters (8) disposed on the outer circumferential surface of the drum (1); A heating wire 9 connected to the plate heater 8 and disposed to surround an outer circumferential surface of the drum 1; A temperature sensor 1a for sensing the internal temperature of the drum 1 and controlling the drum 1 to be maintained within a set temperature range; Food waste treatment apparatus characterized in that the heating insulation means (W) consisting of a heat insulating cover 10 surrounding the outer circumferential surface of the drum (1) to keep the plate heater (8) and the heating wire (9) to keep warm. The drive shaft (3) according to claim 1, wherein the stirring screw (2) is inserted into and installed on the center line of the drum (1); The spirally rotated structure is formed by a continuous band having a predetermined width at a radial position in contact with the inner peripheral surface of the drum 1 with the driving shaft 3 as its center, and both ends thereof are reversely wound by one pitch in the reverse direction. A stirring blade 11 having a shape and attached with a plurality of scrapers 11a at regular intervals along its outer line; Food waste treatment apparatus, characterized in that consisting of a support 12 and the auxiliary support 13 to integrally connect between the stirring blade (11) and the drive shaft (3). The food waste treatment apparatus according to claim 1, wherein the microbial culture is formed by culturing microorganisms fermentable at a temperature of about 35 ° C (medium temperature) or 55 ° C (high temperature) in sawdust or rice husk. The deodorizing circulation system (C) according to claim 1, further comprising: a gas delivery pipe (22) for flowing out malodorous gas generated in the fermentation process in the stirred fermenter (M); A deodorization tank 20 connected to the gas delivery pipe 22 to primarily purify the odor gas introduced from the stirred fermenter M through a multi-step wet and dry deodorization process; An intake pipe 24 for introducing fresh air from the outside to one side of the branch pipe 23 installed to forcibly circulate primary purification air discharged through the gas discharge port 20b of the deodorization tank 20 in two directions. And a fan 25 for forced suction, and a reodorization system C1 provided with an air circulation inlet pipe 28 connected to the stirred fermenter M at the tip of the branch pipe 23. On the other side of the branch pipe 23, a secondary purification adsorption filter 21 and a fan 27 are installed, and at the front end thereof, a purge air transfer pipe 29 communicating with the outside is provided, and the purified air transfer pipe 29 At the end of the food waste treatment apparatus, characterized in that consisting of a purge exhaust pipe (C2) is installed with a heating combustion heater 26 for finally purifying the secondary purification air transferred through the purification air transfer pipe (29) . 6. The heating combustion heater (26) according to claim 1 or 5, wherein a heating wire (26b) is wound in a spring shape in a cylindrical heating combustion tube (26a), and both ends of the heating wire (26b) are drawn out in one place. Food waste treatment apparatus, characterized in that it is connected to the heater 26 installed on one side of the heating combustion pipe (26a).