KR20090088344A - Filter of food waste treatment apparatus - Google Patents

Abstract

A filter device of a food processor is provided to reduce manufacturing cost by increasing a life period of a deodorization filter and increasing efficiency of the deodorization filter with dehumidification, and to prevent damage according to corrosion of the device. A filter device of a food processor includes the followings: an absorption filter part(240) removing moisture and receiving gas generated in processing of food waste; a deodorization filter part purifying and receiving the gas from the absorption filter part, and connected with the absorption filter part; an absorption filter(242) in the absorption filter part; a deodorization filter(237) in the deodorization filter part; The absorption filter includes super absorbent resin. A diameter of the super absorbent resin is 0.1mm ~ 0.3mm.

Description

Filter device of food waste treatment equipment {Filter of Food Waste Treatment Apparatus}

The present invention relates to a food processor for drying and pulverizing food, and more particularly, to a food processor including a filter device in which a moisture absorption filter is added to remove moisture contained in a gas in the food processor and to increase deodorization efficiency. It relates to a filter device.

In general, a certain amount of residue (waste food) is discharged from each home or restaurant every day, and the residue is used as a livestock feed or filtered through a simple strainer and then discarded. This residue treatment method increases the amount of waste, and if the waste is not thrown away frequently, it causes odors and pollutes the surrounding air.

In recent years, efforts have been made to reduce food waste in homes and restaurants, but there are many difficulties in controlling the amount of garbage that is gradually increasing. When landfills are disposed of food, the landfill site is limited, and the environmental damage from odors and leachate has become very serious.

Therefore, in recent years, the government has implemented a waste-based tax system, and the government has also mandated that a treatment device that can induce food, such as fermentation, drying, or extinguishing, must be mandatory when newly built for each group meal or apartment complex. .

However, the food waste contains about 80 ~ 90% of moisture, and in order to reduce the amount of food waste, it is processed through the process of drying and fermentation by heating, microbial reaction, etc. At this time, a large amount of moisture and high concentration of odor are generated. Resolving this presents another challenge.

The odor component that is usually generated in the food processor generates various kinds of gases, and the gas composition varies depending on the type of food, the length of the food, the treatment period, and the processing temperature, resulting in decay or abnormal fermentation, that is, anaerobic fermentation. In some cases, a large amount of toxic odorous gas can be released, which can harm the human body.

This is due to the formation of anaerobic conditions in the course of continuous processing of food waste, the more severe odor is generated, the gas providing the cause of the odor generated at this time can be largely separated into acid, neutral, basic. Examples of acidic gases include hydrogen sulfide and methyl mercaptan. Basic gases include ammonia and trimethylamine, and neutral gases include methyl sulfide, methyl disulfide, and acetaldehyde.

These odorous gases are harmful to the human body, cause air and environmental pollution, and give a disgust to the surrounding facilities.

Food wastes containing a lot of moisture are easily rotted if they are left as it is, causing odors and harming the surrounding sanitary environment.Many companies have tried to develop technology for the treatment of hot air circulation drying method for processing food waste in homes and restaurants. Launched food processor products using various methods such as hot air circulation drying method with agitation function, hot air circulation drying method with agitation function and crushing function, simultaneous use of agitation function and microorganisms, and refrigerated storage. Has come.

That is, until now, products that apply various methods to remove moisture in the food processor have been released, but a method for removing water contained in the gas generated in the food processor is hardly considered.

1 shows a block diagram of a filter device 120 of a conventional food waste processor. As shown in Figure 1, the food processor is a food processor main body 100 for crushing and drying the food waste introduced through the food inlet 105, the filter device for purifying the harmful gas generated in the food processor main body 100 ( 120, the filter device 120 is a filter unit 130 for receiving the harmful gas generated in the food processor main body 100 through the inlet 131 connected to the gas flow pipe 115 and purifying it. Purified air discharge port 170 for discharging the gas purified from the unit 130 to the outside through the connection pipe 150 provided in the discharge port 133 is provided. In general, the filter unit 130 uses a catalytic filter or an activated carbon filter, and the filter unit 130 may be surrounded by the heat insulating unit 160.

In the case of using the conventional filter device 120 as described above, when filtering a gas containing a large amount of water, moisture is collected in the deodorizing filter, thereby shortening the life of the filter and rapidly deodorizing efficiency. In addition, since the food waste does not effectively remove moisture generated from the food waste, the food waste easily deteriorates and becomes sanitary, and there is a problem in that the apparatus is corroded.

An object of the present invention for solving the above problems is to provide a filter device of the food processor equipped with a hygroscopic filter that can separately remove the moisture generated in the food processor to increase the deodorization efficiency.

Filter device of the food processor according to the present invention for achieving the above object is a hygroscopic filter unit is connected to the food processor drying furnace to receive the gas generated during the processing and drying of the food and remove the moisture in the gas; And a deodorization filter unit connected to the moisture absorption filter unit to receive and purify the gas dehumidified from the moisture absorption filter unit, wherein the moisture absorption filter unit and the deodorization filter unit may be integrally formed.

The filter device may include a hollow inner housing in which a deodorizing filter accommodating part formed in a hollow shape to accommodate a deodorizing filter therein and may be inserted and fixed, a hollow outer housing in which the inner housing may be inserted and fixed, and the inner housing. A deodorizing filter unit configured to cover an upper end and an upper cover of which one side is open; And a hygroscopic filter unit connected to the lower side of the outer housing and configured to include a hygroscopic filter for removing moisture in the gas and a hygroscopic filter accommodating unit for loading the hygroscopic filter.

The deodorization filter is preferably any one of an activated carbon filter or a catalyst filter.

In addition, the catalyst filter is a high-temperature catalyst cartridge using any one of platinum, palladium, rhodium, manganese, copper, zinc as a catalyst or a low-temperature catalyst cartridge using a catalyst coated pellet or activated carbon of the granule type (gradule) type It is good.

It is preferable that a heat insulation part is provided on the outer surface of the said deodorization filter part.

The hygroscopic filter is preferably any one of nylon, nonwoven fabric, zeolite, and SAP (super absorbent resin).

Here, the SAP (super absorbent resin) is preferably a powder shape having a diameter of 0.1mm to 0.3mm.

In addition, the hygroscopic filter accommodating portion is preferably made of paper or cellulose.

As described above, the present invention has an effect of easily removing moisture generated in the food processor to prevent contamination around the apparatus and to prevent damage due to corrosion of the apparatus. In addition, the dehumidification can increase the efficiency of the deodorizing filter and reduce the number of replacement of the deodorizing filter, thereby reducing the cost.

The above objects, features and other advantages of the present invention will become more apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. Hereinafter, with reference to the accompanying drawings will be described in detail the filter device of the food processor with a hygroscopic filter according to an embodiment of the present invention.

Figure 2 is a schematic diagram showing the operation of the food processor equipped with a filter device according to an embodiment of the present invention, Figure 3 is a perspective view of the filter device shown in Figure 2, Figure 4 is a view of the filter device shown in Figure 3 An exploded perspective view is shown.

As shown in Figure 2, the food processor according to the present invention is a food processor main body 200 for crushing and drying the food waste introduced through the food inlet, the odor component of the harmful gas generated in the food processor main body 200 Filter device 220 for removing and removing moisture.

In the main body 200, a drying furnace 202 for drying and pulverizing food, a recovery box 204 for carrying out food waste processed in the drying furnace, and a rotation operation so that the gas generated in the drying furnace is discharged to the outside. A fan 206 is provided, and the filter device 220 provided at one side of the main body 200 by being connected to the main body 200 and the gas flow tube 225 removes moisture contained in the flowing gas. The unit 240 and the deodorization filter unit 230 to remove the odor of the gas dehumidified by the moisture absorption filter unit 240.

The moisture absorption filter unit 240 and the deodorization filter unit 230 in the filter device 220 may be provided in series or in parallel with each other, and the gas supplied from the main body 200 passes through the moisture absorption filter unit 240 to dehumidify first. It is desirable to be. This is because the efficiency of the deodorization filter is increased only by removing the moisture first.

Referring to Figure 2 looks at the operation of the food processor according to the present invention. When the user opens the opening formed at one side of the main body 200 to administer the food waste to the drying furnace 202, the food waste in the drying furnace is processed by the operation of a heating source and a grinding device supplied from the outside. The dried and crushed food waste is contained in a separate collection box 204 and taken out by the user. Odor gas generated when the food waste is heated and pulverized in the drying furnace is flowed to the outside through the gas flow pipe 225 by the operation of the fan 206 provided on one side of the main body 200.

The gas flowing through the gas flow pipe 225 may be released into the atmosphere, but in this case, serious environmental pollution is caused, so that the present invention undergoes a filtering process.

The odor component that is usually generated in the food processor generates various kinds of gases, and the gas composition varies depending on the type of food, the length of the food, the treatment period, and the processing temperature, resulting in decay or abnormal fermentation, that is, anaerobic fermentation. In some cases, a large amount of toxic odorous gas can be released, which can harm the human body.

This is due to the formation of anaerobic conditions in the course of continuous processing of food waste, the more severe odor is generated, the gas providing the cause of the odor generated at this time can be largely separated into acid, neutral, basic. Examples of acidic gases include hydrogen sulfide and methyl mercaptan. Basic gases include ammonia and trimethylamine, and neutral gases include methyl sulfide, methyl disulfide, and acetaldehyde.

These odor gases are harmful to the human body, cause air and environmental pollution, and cause aversion to the surrounding facilities. In order to solve this problem, the food processor of the present invention is provided with a filter device 220 for dehumidification and deodorization.

As shown in FIG. 2, the malodorous gas passed through the gas flow tube 225 flows to the filter device 220 (symbol A).

The malodorous gas is dehumidified while passing through the hygroscopic filter unit 240 in the filter device 220, and the dehumidified gas is deodorized while passing through the deodorizing filter unit 230 and discharged into the atmosphere.

At this time, the user can be installed in series or in parallel with respect to the hygroscopic filter unit 240 and the deodorizing filter unit 230, and of course, the number of installation can be adjusted.

3 and 4, the filter device 220 according to the present invention will be described in detail.

The filter device 220 has a hollow inner housing 233 and an inner housing 233 into which the deodorizing filter accommodating part 235 formed in a hollow shape to accommodate the deodorizing filter 237 is inserted therein. A hollow outer housing 234 that can be fixed, a deodorizing filter unit 230 consisting of an upper cover 231 which covers the upper end of the inner housing and is open at one side thereof, and is connected to the lower side of the outer housing 234 And a hygroscopic filter unit 240 composed of a hygroscopic filter 242 for removing moisture therein and a hygroscopic filter accommodating part 244 capable of loading the hygroscopic filter 242.

An outer side of the deodorizing filter unit 230 may further include a heat insulating part (not shown) to prevent the high temperature heat is discharged to the outside. This is to increase the thermal efficiency and to not easily damage the internal parts of the food processor.

In addition, the bracket 250 is provided on one side of the filter device 220 to easily fix the filter device 220 to the body of the food processor.

The O-ring member 232 may be further provided between the upper cover 231 and the inner housing 233 to seal the material inside the inner housing 233 so as not to escape to the outside.

Deodorizing filter accommodating part 235 is a hollow cylindrical shape that can accommodate the deodorizing filter 237 on the inside and the mesh cap 236 is provided on the upper and lower sides to prevent the inner deodorizing filter 237 to escape to the outside. The flowing gas flows smoothly inside the deodorizing filter accommodating part 235.

Here, the upper and lower portions of the deodorizing filter accommodating part 235 may be a porous plug other than the mesh plug 236.

As the deodorizing filter 237, any one of an activated carbon filter or a catalytic filter may be used. The activated carbon provided in the activated carbon filter generally means charcoal, and has excellent adsorption and absorption functions. Capillary pores are formed therein, and harmful gases are filtered while passing through the capillary pores. In particular, in order to improve the adsorption performance of activated carbon is processed in the form of fiber is called activated carbon fiber (ACF). Looking at the adsorption process in activated carbon, the adsorbed material moves through diffusion into the macro pores on the surface of the activated carbon and adsorption occurs in the meso pores therein. However, activated carbon fiber (ACF) is characterized by showing a much faster adsorption capacity without the diffusion process of the adsorbed material because the mesopores are located directly without macropores on the surface.

Activated carbon is formed by the shape and surface area of pores, and its surface area is generally 700 to 17000 times.

The use of activated carbon has the advantage of excellent removal of pesticides, synthetic detergents, and odors, but as the adsorption proceeds, the efficiency decreases, so that exchange or regeneration is necessary, and if it is shaken or the air flows backward, impurities are discharged again.

When the activated carbon filter is used, the adsorption amount at the high and low concentrations of harmful gases is different, which can be adjusted by the pore size distribution of the activated carbon or by the additives.

A catalyst cartridge is provided in the catalyst filter, and a high temperature catalyst cartridge or a low temperature catalyst cartridge is generally used as the catalyst cartridge.

The high temperature catalyst cartridge removes volatile organic compounds (VOC) using catalysts such as platinum, palladium, rhodium, manganese, copper and zinc, and the low temperature catalyst cartridges are catalyst coated pellets or granules of activated carbon. Can be used to remove gases such as trimethyl amine, acetaldehyde, methyl sulfide and the like.

The hygroscopic filter accommodating part 244 is formed of a hollow paper or cellulose material to ensure the safety of the hygroscopic filter 242 accommodated inside the hygroscopic filter accommodating part 244.

The hygroscopic filter 242 may be made of any one of nylon, nonwoven fabric, zeolite, and SAP (super absorbent polymer).

A superabsorbent polymer is a polymer in which a bridge or an insoluble portion is introduced into a polymer electrolyte, and a block copolymer of acrylic acid and vinyl alcohol is used in a powder form or in a fiber form. Normally, cotton wool or cotton cloth absorbs water by capillary action between fibers, but water is simply discharged when it is pressurized. Superabsorbent resin has a large amount of water absorption, and water is not easily released to the outside when pressure is applied.

Zeolites have a loose crystal structure and each atom is loose, and even when the water filling them is released at high heat, the skeleton remains the same, so that other fine particles can be adsorbed.

By dehumidifying the gas generated by the food processor main body 200 using the hygroscopic filter 242, the deodorization efficiency may be increased by lowering the humidity of the gas flowing into the deodorizing filter 237.

In the filter device provided in the conventional food processor, the odor gas is purified directly from the deodorization filter, but when a large amount of water is contained in the odor gas, the deodorization efficiency of the deodorization filter decreases, and the deodorization filter cannot be used for a long time, resulting in high replacement costs. There was a problem.

However, according to an exemplary embodiment of the present invention, the moisture absorption filter unit 240 is installed in the filter device 220 to first remove moisture of the malodorous gas generated in the food processor body 200, and the dehumidified gas is deodorized filter unit 230. ) To increase the deodorization efficiency and reduce the cost.

While preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described specific embodiments. That is, a person having ordinary skill in the art to which the present invention pertains can make many changes and modifications to the present invention without departing from the spirit and scope of the appended claims, and all such appropriate changes and modifications are possible. Equivalents should be considered to be within the scope of the present invention.

1 is a block diagram of a filter device 120 of a conventional food waste processor,

Figure 2 is a schematic diagram showing the operation of the food processor equipped with a filter device according to an embodiment of the present invention,

3 is a perspective view of the filter device shown in FIG.

Figure 4 shows an exploded perspective view of the filter device shown in FIG.

<Description of the symbols for the main parts of the drawings>

200: main body 202: drying furnace

204: Recovered Box 206: Pan

220: filter device 225: gas flow pipe

230: deodorization filter unit 231: top cover

232: O-ring member 233: inner housing

234: outer housing 235: deodorization filter housing

236 mesh stopper 237 deodorizing filter

240: moisture absorption filter 242: moisture absorption filter

244: moisture absorption filter housing

Claims (12)

In the filter device used in the food processor, The filter device Hygroscopic filter unit for receiving the gas generated during the food treatment and removes moisture; And A deodorization filter unit connected to the hygroscopic filter unit to receive and purify the gas from the hygroscopic filter unit, The moisture absorption filter unit includes a moisture absorption filter, the deodorization filter unit includes a deodorization filter, The hygroscopic filter includes SAP (super absorbent resin), Characterized in that the SAP (super absorbent resin) has a powder shape of 0.1mm to 0.3mm diameter so that the gas passing through the SAP (super absorbent resin) reduces the amount of water blocking the pores of the deodorizing filter, Filter device of food processor. The method of claim 1, Characterized in that the hygroscopic filter unit and the deodorizing filter unit can be connected by a connecting pipe, Filter device of food processor. The method according to claim 1 or 2, The deodorization filter unit is characterized by consisting of a first deodorization filter unit and a second deodorization filter unit, Filter device of food processor. The method of claim 3, wherein The first deodorization filter unit and the second deodorization filter unit, characterized in that can be connected to the second connecting pipe, Filter device of food processor. The method of claim 3, wherein The first deodorization filter unit and the second deodorization filter unit, characterized in that the integral Filter device of food processor. The method according to claim 1 or 2, The deodorizing filter unit may include a hollow inner housing in which a deodorizing filter accommodating part formed in a hollow shape to receive the deodorizing filter therein may be inserted and fixed, a hollow outer housing in which the inner housing may be inserted and fixed, and the inner housing. A top cover that covers the top and is open on one side, The hygroscopic filter unit is connected to the lower side of the outer housing, characterized in that it comprises a hygroscopic filter accommodating unit for loading the hygroscopic filter and the hygroscopic filter, Filter device of food processor. The method according to claim 1 or 2, The deodorizing filter is characterized in that any one of an activated carbon filter or a catalyst filter, Filter device of food processor. The method of claim 7, wherein The catalyst filter is a high temperature catalyst cartridge using any one of platinum, palladium, rhodium, manganese, copper, zinc, etc. as a catalyst, or a low temperature catalyst cartridge using a catalyst coated pellet or granular activated carbon. Made, Filter device of food processor. The method according to claim 1 or 2, The hygroscopic filter further comprises any one of nylon, nonwoven fabric, zeolite, Filter device of food processor. The method of claim 6, The moisture absorption filter receiving portion, characterized in that the paper or cellulose material, Filter device of food processor. A hygroscopic filter containing SAP (super absorbent resin), Characterized in that the SAP (super absorbent resin) has a powder shape of 0.1mm to 0.3mm in diameter so that the moisture content of the gas passing through the SAP (super absorbent resin), Hygroscopic filter. The method of claim 11, Further comprising any one of nylon, nonwoven fabric, zeolite, Hygroscopic filter.

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