KR20090003692U - Food waste drying apparatus for sink - Google Patents

Abstract

The present invention relates to a food waste drying apparatus for a sink, and can be installed to be compatible with both a new sink and an old sink having different sizes of drains simply by replacing only a part of a relatively small specific gravity.

The present invention has a main body through the main body through the main body through which the main body formed with an inlet for dropping food waste into the receiving space in the center of the upper end, a receiving space received in the receiving space, and an inlet After being inserted into the inside and fixed, the side wall is formed with a drain hole connected to the sink's drain pipe and the lower portion is formed with a through hole for penetrating the food waste dropped into the basket, coupled to the upper end of the inner peripheral surface of the drain container, sink drain And a ring-shaped bracket having an inner diameter corresponding to the upper end portion, and a support ring protruding outward along the outer circumferential surface and supported over the periphery of the sink drain hole, and the lower end penetrates the drain hole of the sink to engage with the inner circumferential surface of the bracket. Ring-type sink coupling member is inserted into the drain container It is in close contact with the periphery of the through-hole of the additional drainage container and the side wall is formed into a net so that the food waste is filtered out, and the washing water penetrates to the drainage port of the drainage container, and is installed in the main body to dry the food waste contained in the basket. It is configured to include a hot air generating unit for generating hot air.

Bracket, Food Waste, Dryer

Description

Food waste drying apparatus for sinks {FOOD WASTE DRYING APPARATUS FOR SINK}

The present invention relates to a food waste drying apparatus, and relates to a food waste drying apparatus for a sink that is suitable for being installed compatible with both a new sink and an old sink having different sizes of drains by simply replacing a part of a relatively small specific gravity.

In general, the food waste drying apparatus refers to a device that can dry and process food waste discharged from a home or a restaurant by hot air.

Food waste is large and massive, accounting for 32% of the nation's household waste emitted from homes and restaurants. Since these food wastes contain a large amount of water, they are heavy and difficult to incinerate, and during landfilling, they significantly reduce the service life of landfills and generate a large amount of leachate, causing soil pollution and water pollution.

Therefore, recently, technologies for collecting food waste and processing it into livestock feed or compost have been actively proposed, while drying food waste by applying hot air to solve problems of corruption and odor caused by moisture during temporary storage of food waste. Drying equipment is spreading. Since the food waste drying device evaporates moisture contained in the food about 70 to 80%, the volume of food waste can be reduced to about one fifth, and it can suppress the corruption and odor problems for a long time. It has the advantage of facilitating recycling to feed or compost.

1 is a reference exploded view for explaining a food waste drying apparatus according to the prior art.

As shown, the food waste drying apparatus according to the prior art is basically a main body (1) having an internal space for receiving food waste, and a drain container (2) installed in the inlet (1a) of the main body (1) ), A ring-shaped sink coupling member (3), and a sieve (4).

Looking at how the conventional drying device having such a configuration is installed in the sink, the upper edge of the sink coupling member 3 is supported over the periphery of the sink drain, the lower end of the sink penetrates the sink drain downward and the main body It is directly coupled to the drain container 2 fixed to (1). As a result, the sink coupling member 3 was able to stably support the entire drying apparatus including the main body 1 while the sink coupling member 3 spans the periphery of the drain hole of the sink.

However, in the drying apparatus according to the prior art, when it is necessary to install in the new sink and the old sink having different drain opening diameters from each other, the drying device (4) as well as the overall drying by changing the sink coupling member (3) in accordance with the sink drain opening diameter It was inevitable to replace the main body (1) and the drain container (2) with the highest specific gravity in the apparatus.

Therefore, in order to be installed in the new sink and the old sink, all parts of the drying apparatus had to be replaced, but the same product had to be configured differently for the new sink and the old sink. This resulted in inefficiency due to the strict classification between the new sink and the old sink, ranging from the separate production facility to the distribution stage of the product.

Therefore, the present invention is proposed to solve the above-mentioned conventional problems, and the purpose of the present invention is to replace both the new sink and the old sink having different sizes of drains by simply replacing only a part of a relatively small specific gravity. It is to provide a food waste drying apparatus for the sink can be installed.

In order to achieve the above object, the food waste drying apparatus for a sink according to the technical idea of the present invention includes: a main body having an inlet so as to drop food waste into the accommodation space in the center of the upper end; A basket containing food waste received and dropped in the accommodation space; A drain container having a through hole for inserting the inside of the main body through the inlet and then being fixed and having a drain hole connected to a drain pipe of the sink at a side wall thereof and penetrating the food waste to the basket; A ring-shaped bracket coupled to an upper end of an inner circumferential surface of the drain container and having an inner diameter corresponding to that of the sink drain; An upper end portion having a support ring protruding outward along an outer circumferential surface and supported over the periphery of the sink drain hole, and a lower end portion of the sink coupling member coupled to the inner circumferential surface of the bracket through the drain hole of the sink; A filter net inserted into the drain container, the lower part of the drain container being in close contact with a periphery of the through hole of the drain container, and the sidewalls being formed into a net so that food waste is filtered out and the washing water is passed through to guide the drain container of the drain container; It is characterized in that the technical configuration is configured to include a hot air generating unit is installed on the main body to generate hot air for drying the food waste contained in the basket.

Here, the weight member is installed in the center of the lower side of the filter mesh is inserted in correspondence to the through hole of the filter mesh, and made of a metallic material to give a weight to the filter mesh; A rubber packing may be further provided between the lower periphery of the filter net and the periphery of the through-hole of the drain container.

The hot air generating unit may include: a discharge fan installed at the main body to suck and discharge air from the outside; It is installed in the form of a ring curled along the circumferential direction from the upper portion of the receiving space, the lower portion of the plurality of air outlets are formed in a form arranged in series at intervals to distribute the air discharged from the discharge fan to the receiving space to guide Guide ducts; It may be characterized in that it comprises a heater installed in the guide duct for heating the air of the direct discharged from the discharge fan.

In addition, the heater may be characterized in that the sheath heater installed in the form of a dried coil.

As discussed in the above problem solving means, the sink for food waste drying apparatus according to the present invention, the new sink and the old type of the different drain size by simply replacing only a part of the relatively small specific gravity by adding a simple bracket configuration There is an effect that can be installed in both sinks.

In addition, the present invention has a reliable watertightness between the lower periphery of the sieve mesh and the periphery of the periphery of the drainage vessel by the rubber packing and the weight member that gives a weight to the sieve mesh.

In addition, the present invention adopts a sheath heater having excellent heat generating ability even in a limited space, and by using a duct structure that evenly distributes the hot air, it is possible to drastically shorten the drying time of food waste and reduce power consumption.

2 is an external perspective view of a food waste drying apparatus according to the present invention.

As shown, the garbage drying apparatus 100 of the present invention includes food waste in the main body 110, and has an appearance similar to that of conventional products forcibly drying food by applying hot air therein. However, the present invention has a high compatibility that can be installed in various sinks having different drainage sizes by simply replacing a simple component having a small specific gravity by the configuration having the bracket 140.

In addition, the present invention is provided with a siege heater in the form of a coil having excellent heat generating ability in the limited space inside the main body 110, but does not interfere with the flow of air, food waste by the duct structure to evenly distribute the heated air It is configured to dramatically improve the drying capacity for.

Hereinafter, the configuration of the present invention will be described in detail.

Figure 3 is a partial exploded view of the subject innovation, Figure 4 is a longitudinal cross-sectional view of the subject innovation.

As shown, the food waste drying apparatus of the present invention is the main body 110, the basket 120, the drain container 130, the bracket 140, the sink coupling member 150, and the filter mesh ( 160, a discharge fan 170, a guide duct 180, and a sheath heater 190.

The present invention having such main components is the main body having the largest specific gravity in the whole product by the configuration having a simple bracket 140 of the ring type to connect by coupling the drain container 130 and the sink coupling member 150. The 110 and the drain container 130 can be easily installed in sinks having drain holes of different diameters without being replaced with ones of different specifications.

In addition, the present invention and the siege heater 190 having excellent performance in heating the air to a high temperature without disturbing the flow of air generated by the discharge fan 170 in the main body 110 having a limited space and By combining the guide duct 180 for distributing and discharging the heated air to a plurality of points, the food waste can be dried at a high speed.

Based on the above configuration, each of the components will be described in detail.

The main body 110 is a box-shaped member having a receiving space 112 for accommodating the basket 120 therein. The front of the main body 110 is provided with a swing door 113 for entering the basket 120 into the accommodation space (112). In addition, an inlet 111 is provided at the center of the upper end of the main body 110 to drop food waste into the accommodation space 112. As a result, even when the waste drying apparatus of the present invention is connected to the drain hole of the sink, food waste may be dropped through the inlet 111 to be put in the basket 120.

The basket 120 serves to temporarily store food waste for drying in the receiving space 112. The basket 120 is formed of a net through which the entire body can pass air so that the food waste can be dried smoothly. The center of the bottom surface of the basket 120 is provided with a conical protrusion 121 that towers in the form of a mountain so that the food dropped from the upper side is not excessively accumulated only in the center portion. The conical protrusion 121 is also formed into a network for free transmission of air. In addition, the bottom of the basket 120 is further provided with pedestals (123, 125) for supporting the basket 120 spaced apart from the floor. When the pedestals 123 and 125 are provided, the air contacting the food waste from the upper side passes through the basket 120 as it is and is discharged without interference into the air discharge passage 117 located below the main body 110.

The drain container 130 is installed in the inlet 111 to accommodate the strain net 160, and is connected to the drain pipe of the sink serves to drain the washing water. To this end, the drain container 130 is inserted into the main body 110 in a state in which the upper end portion is circumscribed around the inlet 111. And a drain hole 133 is formed on the side wall and is connected to the drain pipe of the sink (the connection bracket 135 having a drain pipe connector 135a is in charge of the drain container 130 and the drain pipe of the sink). . A through hole 131 penetrates the food waste dropped through the inlet 111 of the main body 110 under the drain container 130. Here, the drain container 130 may be provided integrally with the main body 110 instead of a separate object.

The bracket 140 is a ring-shaped member in which a through hole 140a is formed in the center in a size corresponding to the drain hole of the sink, and serves to couple the drain container 130 and the sink coupling member 150 in the middle. To this end, the bracket 140 has a spiral for both the inner circumferential surface and the outer circumferential surface is formed, the outer circumferential surface 141 is helically coupled to the upper end of the inner circumferential surface 137 of the drain container 130, the inner circumferential surface 143 is Helix is coupled to the outer circumferential surface 153 of the sink coupling member 150.

As such, when the bracket 140 for connecting and connecting the drain container 130 and the sink coupling member 150 in the middle is provided, the sink is not directly coupled to the drain container 130 and the sink coupling member 150. Depending on the drain opening size of the drain container 130 and the main body 110 do not have to replace a new one. That is, when the sink aperture diameter of the sink is changed, the sink coupling member 150 which is directly coupled to the sink drain hole should also be replaced with a different size, but in this situation, the sink coupling member 150 and the drain container without the bracket 140 may be replaced. If the 130 is directly coupled to the configuration, the drain container 130 is to be replaced with a different size to fit the sink coupling member 150, as well as the main body 110, the drain container 130 is installed in a different size It must be replaced with one having the inlet 111. In addition, the sieve mesh 160 to the size that fits the drain of the sink should also be replaced. Therefore, if the bracket 140 is not provided as described above, the entire product must be replaced in order to install a drying apparatus in a sink having a drain hole 133 of a different size. On the contrary, if the bracket 140 is provided as described above, the bracket 140 and the sieve mesh 160 together with the sink coupling member 150 may be replaced with ones having different specifications even if the drain hole diameter of the sink is changed.

For reference, the drain size of the sink is standardized, and it can be divided into two types of the new sink and the old sink. The new sink has a drain opening of 16cm and the old sink has a drain opening of 9cm. Accordingly, when the present invention is commercialized, basic components may be prepared based on an old sink having a small drain diameter as shown in FIG. 3, and some parts may be additionally packaged to be compatible with the new sink having a large drain diameter. That is, the sink coupling member 150 of a smaller size to fit the spherical sink drain, the drain container 130 that can be indirectly coupled to the sink coupling member 150 by the bracket 140, and the drain container ( The main body 110 and the size of the size that can be seated in the drain container 130 through the main sink 110 and the sink sink coupling member 150, the main body 110 is manufactured to have an input port 111 of the size that can be installed 130 Filter sieve 160 is provided as a base. In addition, the sink sinking member having a larger size to fit the new sink drain, and a sieve mesh having a size that can be seated in the drain container 130 through it, may be packaged together. As such, the present invention enables a combined product that can be installed in both the new sink and the old sink by adding only some parts having a low cost and a small volume by the configuration having the bracket 140 (the present invention in the new sink) How to replace the parts of the will be described in more detail with reference to Figures 5 and 6 below.

The sink coupling member 150 is a ring-shaped member as a whole to support the remaining parts of the drying apparatus while the upper end is supported over the peripheral portion of the sink drain. To this end, the sink coupling member 150 has a support ring 151 which protrudes outward along the outer circumferential surface of the upper end and is supported over the periphery of the sink drain hole. In addition, the lower end of the sink coupling member 150 penetrates down the sink drain hole and is spirally coupled to the inner circumferential surface 143 of the bracket 140. To this end, a spiral is formed on the outer peripheral surface 153 of the lower end of the sink coupling member 150. The sink coupling member 150 is provided to have a size through which the rest of the body except for the upper end may pass through the sink drain. A rubber o-ring 155 is installed between the support ring 151 of the sink coupling member 150 and the sink bottom SB to prevent leakage.

The filter net 160 is seated in the drain container 130 to filter food waste and to pass through the washing water to guide the drain hole 133 of the drain container 130. To this end, the sieve mesh 160 has a side wall formed of a net and a lower portion formed of a disc having no gap, and is in close contact with the periphery of the through hole 131 of the drain container 130. The rubber packing 163 may be installed between the lower periphery of the filter net 160 and the periphery of the through hole 131 of the drain container 130. As a result, it is possible to prevent leakage between the lower periphery of the filter net 160 and the periphery of the through hole 131 of the drain container 130. The rubber packing 163 may be replaced with a silicon material.

The weight member 161 is installed in the center of the lower side of the filter mesh 160 is inserted corresponding to the through hole 131 of the filter mesh 160, and made of a metallic material to give a weight to the filter mesh 160 It plays a role. As a result, the sieve mesh 160 is stably positioned in the drain container 130, as well as close to the periphery of the through hole 131 of the drain container 130, thereby thoroughly preventing leakage of the wash water through the through hole 131. can do.

5 is a partial exploded view of a part of the subject innovation for the new sink, Figure 6 is a longitudinal cross-sectional view of a part of the subject innovation for the new sink.

As shown, the present invention can be applied directly to a new sink having a large drain opening by simply replacing some parts.

To this end, the sink coupling member 150 and the O-ring 155 are replaced with the sink coupling member 150-2 and the O-ring 155-2 having a larger size to fit the drain opening diameter of the new sink. Then, while the bracket 140 is removed, the sink coupling member 150-2 is directly coupled to the upper end portion 137 of the inner circumferential surface of the drain container 130. And in the case of the sieve mesh 160 is replaced with a sieve mesh 160-2 having a larger diameter in accordance with the new sink drain.

At this time, the weight member 161 which is installed on the lower side of the sieve mesh 160-2 is of the same size and is not a replacement object, and is inserted correspondingly to the through hole 131 of the drain container 130 which is not a replacement object. Be sure to

As such, the present invention may be installed by replacing the parts of the new sink and the old sink with different specific gravity, such as the main body 110 or the drain container 130, by replacing only a few of the simple parts. Therefore, it is advantageous to package it as a combined product that can be used for both new and old sinks, and it is strictly classified into a new sink product and an old sink product from the establishment of a separate production facility to the distribution stage of the product. It can completely solve the problem of inefficiency.

In the following description, a hot air generating unit consisting of a discharge fan 170, a guide duct 180, and a sheath heater 190 to generate hot air for drying food waste is described.

7 is a plan view of a hot air generating unit according to the present invention, Figure 8 is a cross-sectional view according to A1-A2 of Figure 7, Figure 9 is a cross-sectional view according to B1-B2 of FIG.

As shown, the hot air generating unit according to the present invention includes a discharge fan 170, a guide duct 180, the sheath heater 190.

The discharge fan 170 is installed in the main body 110 to inhale external air and to discharge it to the receiving space 112. To this end, the discharge fan 170 is installed in the fan installation space 181 provided on the suction side of the guide duct 180, and is provided as a multiblade fan type centrifugal fan known as a Sirocco fan. It is preferable. This is because the centrifugal fan has a small installation area, a very smooth flow of air at low pressure of 150 [mmAq] or less, and extremely quiet operation characteristics due to less unpleasant noise and vibration. In addition, it has an advantage that it is easy to switch the discharge direction of the air to a desired place in a small space. In order to drive the discharge fan 170, a driving motor 171 connected to the discharge fan 170 is installed in the upper part of the fan installation space 181 of the guide duct 180.

The guide duct 180 guides the air discharged from the discharge fan 170 to distribute and discharge in various directions to the receiving space 112 of the main body 110 having the basket 120. To this end, the guide duct 180 is installed in a ring shape rolled along the circumferential direction from the upper portion of the receiving space (112). And a plurality of air outlet 181 is formed at the lower portion at intervals. According to this configuration, the plurality of air outlets 181 are arranged in a circular shape along the periphery of the inlet 111 of the main body 110 to evenly distribute air in various directions above the receiving space 112. It can be discharged. As such, the guide duct 180 according to the present invention guides and discharges the air discharged from the discharge fan 170 to serve to contact air at various points with respect to the food waste contained in the basket 120. This can improve the drying speed of food waste. The suction side of the guide duct 180 is provided with a fan installation space 181 for the installation of the discharge fan 170 and a heater installation space 182 for the installation of the sheath heater 190.

The sheath heater 190 is installed in the form of a coil wound on the discharge side of the discharge fan 170 in the guide duct 180. As shown in FIG. 9, the sheath heater 190 is connected to the terminal pin 193 made of stainless steel by inserting the heating wire 191 at the center of the coating pipe 192 and, for example, magnesium oxide (MgO). As the insulating material 194 is compressed and insulated, electrical insulation and mechanical strength are very excellent, and there is no corrosion of the heating wire, so the service life is long, and various shapes can be manufactured. In particular, the sheath heater 190 is a hot air of 10 ° C or higher because the heat generation temperature is 75 ° C or higher than the exothermic temperature of the plate-shaped PTC heater (Positive Temperature Coefficient Heater) adopted in the conventional food waste drying apparatus is less than 60 ° C Can be generated. Therefore, it takes 12 to 24 hours to evaporate water, which takes up 70 to 80% of food waste, and 3 to 7 hours is enough to improve the drying capacity.

Furthermore, it can be noted that the sheath heater 190 according to the present invention is provided in a rolled coil form. This is because the conventional PTC heater is provided in a plate-shaped mass which is virtually impossible to penetrate the air, and blocks the air flow excessively. Area can be secured. Therefore, even if the sheath heater 190 is installed in a narrow installation space in the guide duct 180 is to ensure a smooth flow of air.

Applying the sheath heater 190 is much more advantageous in reducing power consumption. In order to maximize the effect of reducing power consumption, when the temperature of the accommodation space 112 of the main body 110 rises to 70 ° C. when the siege heater 190 is operated, the operation of the siege heater 190 is stopped, and the accommodation space ( When the temperature of 112 is lowered to 55 ° C., a control method of operating the sheath heater 190 again is used. According to such a control method, when the sheath heater 190 having a rated power consumption of 300W is used in the accommodation space 112 having a normal size, power consumption is reduced by about half. However, the lower limit temperature 55 ° C that the siege heater 190 operates again corresponds to the heating temperature of the conventional drying apparatus, so that the drying effect is superior to that of the conventional drying apparatus, and the sieve heater 190 is continuously operated in the present invention. There is almost no difference in drying effect compared to the control method. The reason why such a control method can be effective in the present invention is basically to use the siege heater 190 which can make the receiving space 112 at a high temperature of 70 ° C. or higher, and disperse the heated air to evenly contact the food waste. This is because the composition that makes it work is complex.

Here, the temperature measuring sensor (not shown) capable of measuring the temperature in the accommodation space 112 for the control of the sheath heater 190 and the sheath heater 190 according to the temperature measured by the temperature measuring sensor Of course, there is provided a controller (not shown) and a bimetal (not shown) for disabling or operating. However, the temperature at which the controller stops and operates the sheath heater 190 again can be flexibly adjusted according to the size of the receiving space 112 and the amount of food waste to be treated, but the heating capacity of the sheath heater 190 and Considering the minimum temperature conditions required for drying, it may be preferable if the upper limit temperature is set in the range of 68 to 72 ℃, the lower limit temperature is 53 to 57 ℃.

As such, the combination of the discharge fan 170, the guide duct 180, and the sheath heater 190 constituting the hot air generating unit makes contact with food waste even more smoothly and richly in various directions. You can do it. Therefore, food waste can be dried in a shorter time.

The operation and action of the food waste drying apparatus for a sink according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

When the food waste generated due to washing dishes in the sink is introduced into the filter net 160 together with the washing water, the food waste is filtered by the filter net 160 and the wash water passes through the sidewall of the filter net 160 as it is. Thereafter, the washing water is discharged to the outside through the drain pipe of the sink connected to the drain hole 133 of the drain container 130.

If food waste is accumulated to some extent in the filter net 160 through the above process, the filter net 160 is removed from the drain container 130 and flipped over. Then, the food waste accumulated by the filter net 160 passes through the through hole 131 of the drain container 130 and falls into the basket 120 accommodated in the inner receiving space 112 of the main body 110. At this time, the food is scattered to the surroundings by the cone-shaped protrusion 121 that rises like a mountain in the center of the bottom surface of the basket 120 to prevent excessive accumulation in the center.

When food is accumulated in the basket 120, a sensor (not shown) and a controller (not shown) for manually pressing an operation switch of the control panel 115 installed at the front of the main body 110 or measuring the amount of food waste. Hot air drying process is started by automatic operation. Then, as power is first applied to the driving motor 171 and the sheath heater 190, the discharge fan 170 connected to the driving motor 171 rotates to suck and discharge external air, while the siege heater 190 quickly The temperature rises and generates high heat.

Air sucked and discharged by the rotation of the discharge fan 170 is heated to a high temperature of 65 ° C to 70 ° C while being in contact with the sheath heater 190 immediately after the discharge. The heated air is then guided along the upper circumference of the receiving space 112 by the guide duct 180 and is discharged through the plurality of air outlets 181.

At this time, the discharged air vaporizes a large amount of moisture contained in the food waste at a high speed while contacting the food waste contained in the basket 120 evenly in various directions.

Thereafter, the air in contact with the food waste passes through the lower and sidewalls of the basket 120 formed as a net together with the evaporated water, and through the air discharge passage 117 located at the lower side of the main body 110. 110) It is discharged to the outside.

At this time, the controller stops the operation of the siege heater 190 when the temperature of the accommodation space 112 of the main body 110 rises to 70 ° C., and the siege heater 190 when the temperature of the accommodation space 112 goes down to 55 ° C. Operate it again. This will drastically reduce food consumption while continuing to dry food waste.

By such a hot air drying process, the food waste can be completely dried in about 3 to 7 hours depending on the amount. The dried food waste is reduced to one-fifth volume when the water, which used to account for about 70 to 80%, evaporates, and can be collected several times. It can also suppress corruption and odor problems for a long time, as well as livestock feed or compost. Furnace recycling becomes easier.

While the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Therefore, the above description does not limit the scope of the present invention defined by the limits of the following utility model registration claims.

1 is a reference exploded view for explaining a food waste drying apparatus according to the prior art.

Figure 2 is an external perspective view of the food waste drying apparatus according to the present invention.

3 is a partial exploded view of the present invention.

Figure 4 is a longitudinal cross-sectional view of the present invention.

Figure 5 is a partial exploded view of a state in which some parts of the subject innovation for the new sink.

Figure 6 is a longitudinal cross-sectional view of some parts of the subject innovation for the new sink.

7 is a plan view of a hot air generating unit according to the present invention.

8 is a cross-sectional view taken along the line A1-A2 of FIG.

9 is a cross-sectional view taken along line B1-B2 of FIG.

Explanation of symbols on the main parts of the drawings

110: main body 120: basket

130: drain container 140: bracket

150: coupling member 160: sieve mesh

170: discharge fan 180: guide duct

190: sheath heater

Claims (4)

A main body having an accommodation space therein and having an opening for dropping food waste into the accommodation space at the center of the upper end; A basket containing food waste received and dropped in the accommodation space; A drain container having a through hole for inserting the inside of the main body through the inlet and then being fixed and having a drain hole connected to a drain pipe of the sink at a side wall thereof and penetrating the food waste to the basket; A ring-shaped bracket coupled to an upper end of an inner circumferential surface of the drain container and having an inner diameter corresponding to that of the sink drain; An upper end portion having a support ring protruding outward along an outer circumferential surface and supported over the periphery of the sink drain hole, and a lower end portion passing through the drain hole of the sink and coupled to an inner circumferential surface of the bracket; A filter net inserted into the drain container, the lower part of the drain container being in close contact with a periphery of the through hole of the drain container, and the sidewalls being formed into a net so that food waste is filtered out and the washing water is passed through to guide the drain container of the drain container; The food waste drying apparatus for a sink installed on the main body, comprising a hot air generating unit for generating hot air for drying the food waste contained in the basket. The method of claim 1, A weight member installed at a central portion of the lower side of the filter mesh and inserted in correspondence with a through hole of the filter mesh and made of a metallic material to give a weight to the filter mesh; The food waste drying apparatus for a sink, characterized in that the rubber packing is further provided between the lower periphery of the sieve mesh and the periphery of the through hole of the drain container. According to claim 1, wherein the hot air generating unit, A discharge fan installed at the main body to suck and discharge air from the outside; It is installed in the form of a ring curled along the circumferential direction in the upper portion of the receiving space, the lower portion of the plurality of air outlets are formed in a form arranged in series at intervals to distribute the air discharged from the discharge fan to the receiving space to guide Guide ducts; And a heater installed in the guide duct to heat the direct air discharged from the discharge fan. The method of claim 3, The heater is a food waste drying apparatus for a sink, characterized in that the sheath heater installed in the form of a dried coil.

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