KR20150017209A - A food waste disposal apparatus - Google Patents

Abstract

The present invention relates to a food waste disposal apparatus comprising a dehydration unit equipped with a filter to dehydrate food waste; and a cutter to pulverize food waste in the filter. The dehydration unit (10) comprises a dehydration container (11) as a case; a filter (12) which is arranged on the inner side of the dehydration container (11), has a surface formed in a porous net structure and has a cutter (21) arranged adjacently to the bottom to cut food waste; and a sweeper (13) arranged to touch the inner side of the filter (12) in order to sweep the inner side of the filter (12), thereby solving the problem of deterioration in dehydration performance caused by food waste that gets stuck in holes formed on the filter (12) in a dehydration process. Accordingly, the food waste disposal apparatus has an effect of more effectively dehydrating food waste, and dehydrates and desalinates the food waste repeatedly by comprising a nozzle spraying wash water and a water storage tank, thereby having an effect of performing an effective desalination process. In addition, the food waste disposal apparatus comprises a drying means equipped with a hot air circulation pipe unit to allow hot air generated by a heater to be circulated throughout a drying container. A condensation unit is provided to condense moisture in hot air discharged after a drying process of food waste, and the hot air dried via the condensation unit communicates towards an inlet part to allow the hot air to be continually circulated throughout the drying container. Accordingly, the food waste disposal apparatus has effects of effectively drying food waste by hot air and being able to dry the food waste without occurrence of odor as the dried hot air is not discharged to the outside.

Description

{A FOOD WASTE DISPOSAL APPARATUS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food garbage disposal apparatus, and more particularly to a food waste disposal apparatus for dehydrating food garbage as a pretreatment and then drying a food waste by circulating hot hot air before crushing, To a food garbage disposal apparatus having a drying structure.

Generally, food processing methods are based on landfill and incineration, but landfill depletion and environmental problems are generated, and the amount of final disposal is reduced, but there are environmental problems such as dioxins generated during incineration and high cost problems have.

The best way to deal with food waste is to reduce emissions as much as possible. To this end, the government recently amended the relevant laws to charge fees differently depending on the weight of food waste discharged in relation to the discharge of food waste.

In order to reduce the amount of food waste, it is preferable to discharge the food waste by dewatering, drying and pulverizing. In particular, it is important to dry the dehydrated food waste well so as to efficiently perform pulverization.

Accordingly, various household food and beverage processing machines are commercially available but are not satisfactory in order to efficiently process the food and to reduce the amount of the generated food.

2005.06. Korean Patent No. 10-0497259 entitled " Food Waste Dual Dryer Using Hot Air Circulation ", which is registered at the 16-member level, is provided with auxiliary drying passages for primary drying inside the food waste dryer and main drying passages for the secondary drying at upper and lower portions When the garbage is firstly dried in the auxiliary dryer by the hot air, the drying is performed again in the main dryer box, and a fan is installed in the vicinity of the outside air inlet, near the auxiliary drying barrel and the outlet, A possible structure was proposed.

However, in the above-mentioned conventional technology, there is a problem that the hot air which is subjected to the secondary drying of the food waste in the main drying hopper is exhausted to the outside by the exhaust fan, and odor is generated. There is a problem that the structure is complicated and the size is increased.

Korean Patent Laid-Open Publication No. 10-2012.0130376, entitled " Small Capacity Food Drying Process ", December 3, 2012, the food waste is cut by a cutter formed into a double cutter and crossed with a circular stationary plate And the residue is less than the hole of the perforation is dropped down by the rotational motion of the cutter fixed to the rotary shaft and is compressed and dewatered by the lowered interlocking rotating impeller, The opening / closing disk is opened, and the impeller rotates to fall into the drying cylinder of the drying unit. On one side of the drying cylinder there is a hot air blowing the heated heat to the inside of the drying cylinder by the fan, The dried residue is rotated by the cutter at the lower end of the stirring shaft in the center of the drying cylinder. Up and down a lower outlet of the drying cylinder by moving the piston is configured to be housed therein disclosed fall into opened.

However, in the above patent, there is a problem that dehydration is not performed smoothly due to the food being pierced in the hole during the dehydration process, and odor is generated when the residue is dried by the hot air, and the structure is complicated.

Korean Registered Patent No. 10-0497259 (Registered on June 16, 2005) Korean Patent Laid-Open No. 10-2012.0130376 (published Dec. 3, 2012)

DISCLOSURE OF THE INVENTION An object of the present invention is to solve the problems in the prior art described above by providing a method of efficiently drying food waste by hot air circulating continuously in dehydrated food garbage, The present invention provides a food garbage disposal apparatus which is capable of efficiently performing food waste disposal and minimizing the amount of food waste disposal.

In order to accomplish the above object, the present invention provides a food garbage disposal apparatus comprising: a dehydrating unit having a sieve for draining food waste; a drying unit for drying dehydrated food waste from the dehydrating unit; and a crushing unit for crushing In a food garbage disposal apparatus,

The drying unit includes a hot air circulating unit for supplying and circulating hot air to a crushing / drying unit for containing food waste that is dewatered in the dewatering unit,

The hot air circulation apparatus includes a hot air supply unit provided with a heater and a fan provided outside the crushing and drying cylinder to supply hot air to the drying cylinder, and a hot air supply unit disposed in the crushing / drying cylinder on the opposite side thereof for drying the food waste inside the crushing / And the hot air discharge portion is communicated with a pipe so that hot air is continuously circulated.

The hot air discharge part is provided with a condensing part for condensing and drying moisture in the hot air which is dried and discharged, and the hot air dried through the condensing part is communicated to be supplied to the hot air supply part.

A cooling water pipe arranged spirally in contact with the outer surface of the pipe of the condensing part is provided to cool the hot wind passing through the condensing part to dry the food waste in the hot wind circulating the drying tub, Hot air flows into the drying oven again through the heater and the hot air supply unit to continuously circulate the hot air for drying the sonic water waste in the drying oven.

Inside the condensing unit, there is provided a nozzle for drying the food waste in the drying barrel and spraying water to the discharged hot air so as to coagulate and remove the food waste fine particles contained in the hot air discharged into the water particles to be sprayed.

The condensed water and the dehydrated water discharged from the water storage tank are discharged together through the main drain pipe. The position where the discharge pipe of the hot water circulation device communicates with the vertical connection pipe of the main drain pipe is dehydrated The discharge water in the low-water bottle is prevented from flowing into the hot-air circulation device at a position higher than the position where the pipe for discharging the water communicates.

The apparatus for treating foodstuffs according to the present invention includes drying means having a hot air circulating device for continuously circulating hot air generated by a heater in a pulverizing drying barrel into which the food waste is dewatered after being dewatered, And the hot air dried through the condensed portion is communicated to the inlet portion so that the hot air circulates through the drying cylinder, whereby the food waste caused by the hot air circulating continuously is efficiently dried And the drying hot air is not discharged to the outside, so that odor is not generated and the subsequent grinding process can be efficiently performed.

1 is a schematic perspective view of a food and beverage processing apparatus according to the present invention;
Fig. 2 is a schematic exploded perspective view of the dehydrating section in the food processing apparatus of Fig. 1; Fig.
3 is a cross-sectional view showing drying means for drying food waste by circulating hot air in a crushing-drying cylinder provided below the dewatering unit in the food processing apparatus of FIG.
4 is a perspective view showing the gate structure of the dehydration part.
FIG. 5 is a perspective view showing a structure in which condensed water generated in the condensing part of the drying means is connected to the main drain pipe in FIG. 2;
FIG. 6 is a schematic perspective view of a discharge gate structure of a crushing / drying barrel and a hot air supply portion communicated with a pipe through a drying means and a hot air discharge portion; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

1 to 6, a food garbage disposal apparatus 1 according to an embodiment of the present invention includes a dehydrating unit 10 for topically desalting and cutting food garbage, And a crushing unit (30) for crushing and discharging the food waste discharged and desorbed from the dehydrating unit. The drying unit for circulating and drying the food waste discharged from the dehydrating unit according to the present invention is a hot air circulating and drying apparatus 50 are formed in the crushing portion.

It should be noted that the constitution of the dehydrating section and the crushing section described in this specification is not a prerequisite condition for application of the hot air circulating and drying apparatus according to the present invention and can be applied to a dehydrating section and a crushing section having different configurations from those shown and described.

The dewatering unit 10 includes a dewatering tank 11 as a case, a sieve 12 having a multi-mesh network structure disposed on the inner side thereof, and a safety inlet 14 connectable to a drain of a sink, A sweeper 13 may be employed which is arranged to rotate in contact with the inner side of the sieve so as to sweep the inner side of the sieve mesh in order to solve the problem that the food debris is caught in the hole formed in the sieve mesh during the process,

A plurality of protrusions extending radially inward are formed in the input port 14 so that the protrusions do not enter into the protrusions when the user inserts his or her hand.

The sieving net 12 is provided with a plurality of holes in the form of a cylinder formed on the side and bottom and supported by a support provided in the dewatering tub at the center of the bottom surface, The pulverized impeller 35 of the pulverizing impeller 35 is rotated at a high speed by the extended output shaft of the main motor 36 so that the food garbage which has entered the filtering net through the feeding port is dehydrated.

The water sprayed from the plurality of nozzles 18 provided on the dehydrating tub side portion in the dehydrating process drops off from the side of the filtering net toward the food garbage attached to the inner side of the tub by the centrifugal force when the tub is rotated, The dilution of salt and the dehydration by water spray from the nozzles are repeated so that the desalting action of the food waste is improved.

A cutter (21) is disposed in the bottom of the sieve, and the food waste flowing into the sieve through the inlet is cut as a pretreatment for crushing in the crusher.

The sweeper 13 has a serrated portion 15 at its upper end and a gear 16 meshes with the serrated portion of the sweeper 13 and is swept by a motor 17 provided outside the dehydrating tub to sweep the inside of the sweeping die, Remove food waste to ensure dewatering performance. The gear 16 'disposed on the opposite side to the gear 16 is idly mounted on the inner side of the dewatering drum so as to engage with the toothed portion 36 and idle so that the sweeper is not tilted to one side but stably rotated, And a center portion of the bottom portion is rotatably disposed in the center of the dewatering container.

The dehydrating tube 11 is provided with a dehydrating tube 19 through which the dehydrated water is discharged from the filtering tube. A low-water tube 20 is disposed in the dehydrating tube, so that the outlet is opened / closed corresponding to a predetermined level of the dehydrating tube. Is provided.

A waterproof gate 23 is disposed at the bottom of the dewatering container so as to open and close a discharge port. The bottom of the waterproof gate is integrated with the upper end of the worm 24, and the worm 24 is connected to the worm gear 25 . The worm 24 is screwed into the hole of the worm 24 so that the shaft portion 26 is screwed so that the worm 24 is lifted up and down about the shaft portion 26 when the worm 24 is rotated by the worm gear 25, And an open position for discharging the food waste downward.

As described above, in the dehydrating unit, a sweeper is disposed at the inside of the filtering net to clean the filtering net to maintain the dehydrating performance. Water from the washing water injecting nozzle and water from the water storage tank is efficiently removed from the food waste, Food waste can be recycled as compost.

The crushing unit 30 disposed below the dewatering unit includes a crushing and drying cylinder 33 and accommodates the food waste dewatered and discharged in the dewatering unit to be dried and crushed.

A circular crushing ring 34 is disposed adjacent to the bottom of the crushing and drying cylinder for crushing food waste and a crushing impeller 35 is installed inside the crushing ring to drive the main motor 36 ) To rotate the crushing impeller. An exhaust gate 37, which is opened and closed by a motor 38, is provided at the bottom of the drying cylinder to allow dried and crushed food waste to be discharged.

As shown in the drawing, the crushing impeller 35 is formed with a cutter 39 for cutting a piece of kimchi into a V shape at the center thereof. The crushing impeller 35 has both ends connected to the inner surface of the crushing ring 34 And a cutter 40 protruding in the upward direction is disposed at both ends. A V-shaped cutter 39 of a pulverizing impeller, an upward protruding cutter 40, and a pulverizing ring (not shown) are disposed in the inside of the pulverizing and drying cylinder, and a cutter 41 is disposed radially inward from the pulverizing impeller. 34) are crushed into fine powder.

According to the present invention, there is provided a hot-air circulating device (50) as drying means for drying the dehydrated and desorbed food waste introduced into the pulverizing and drying tank by circulating hot air generated by a heater while circulating the drying barrel, The apparatus includes a hot air supply unit 43 having a heater and a fan provided on the outside of the crushing and drying cylinder to supply hot air to the crushing and drying cylinder and the crushing and drying cylinder disposed on the opposite side of the crushing and drying cylinder, The wet food waste is circulated through the hot air discharge unit 44 and the hot air discharge unit so that the wet food waste is circulated while the condensate unit 45 is communicated with the pipe through the pipe so as to condense the moisture in the hot air containing moisture, . The hot air dried through the condenser is communicated to the inflow part by the fan of the hot air supply part, and hot air is continuously circulated through the crushing and drying machine.

The condensing portion 45 is preferably formed of a pipe 46 having a good heat transfer in the hot air discharge portion and a cooling water pipe 47 arranged in spiral contact with the outer surface of the pipe 46 of the condensing portion And the hot air passing through the condensing section is cooled to dry the food waste in the hot air circulating in the drying drum, and the moisture contained therein is condensed and discharged. The dried hot air flows into the crushing / drying cylinder through the heater and the hot air supply section, And the hot air supplied by the fan dry the sonic water waste in the pulverizing and drying box and continuously circulate through the hot air discharge part and the condenser part. The condensed water generated in the condenser communicates with the main drain pipe (49) provided below the bottom of the drying compartment.

The water in the condenser 45 is sprayed by the nozzle 55 to dry the food waste in the drying drum and to condense and remove the food waste fine particles contained in the hot air discharged together with the sprayed water particles desirable.

The pipe of the hot air circulating pipe apparatus 50 and the drain pipe for draining water from the reservoir 20 communicate with the main drain pipe 49 so that the condensed water 45 in the hot- And the dewatered effluent from the low-water cistern are discharged together through the main drain pipe connected to the dewatering unit, resulting in a compact structure. At this time, the position 57 where the pipe of the hot air circulation pipe device is communicated with the vertical connection pipe 56 of the main drain pipe is located at a position higher than the position 58 where the pipe for discharging the dehydrated water from the low- The discharge water from the water bottle can not be introduced into the hot air circulation device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It goes without saying that the modification can be carried out.

For example, the food garbage disposal apparatus of the present invention may be used in connection with a drain hole of a sink in a home, or may not include a sweeper and a cutter in a drain hole.

In addition, it is possible to perform a drying process for a predetermined period of time in the pulverizing and drying cylinder, or a humidity sensor if necessary, so that the pulverization process is performed after the drying process is properly performed in the drying process, or the drying process and the pulverization process are performed together.

The scope of the present invention is limited only by the claims.

The food garbage disposal apparatus of the present invention is used to dehydrate food garbage generated in a home or business, efficiently dry and crush it, and to greatly reduce the amount of waste.

10: dehydrating unit 11: dehydrating tank
12: Filter 13: Sweeper
18: Cleaning nozzle 19: Dewatering pipe
20: low water bottle 21: cutter
32: crushing ring 33: crushing impeller
37, 38, 39: cutter 41: hot air circulation pipe device
43: hot air supply unit 44; The hot-
45: condenser part 47: cooling water pipe

Claims (5)

1. A food garbage disposal apparatus comprising a dehydrating unit having a sieve mesh for dehydrating food garbage, a drying unit for drying the dehydrated food garbage below the dehydrating unit, and a crushing unit for crushing the food garbage,
The drying means includes a hot air circulating device (41) for supplying and circulating hot air to a crushing / drying cylinder (33) for receiving food waste that is dewatered in the dewatering unit,
The hot air circulating apparatus includes a hot air supply unit 43 having a heater and a fan provided on the outside of the crushing and drying cylinder to supply hot air to the drying cylinder and a hot air supply unit 43 disposed in the other side of the crushing drying cylinder, And a hot air discharge unit (44) to be discharged next is connected by a pipe so as to continuously circulate hot air. The method of claim 1, wherein the hot air discharge part (44) is provided with a condensing part (45) for condensing and drying moisture in the hot air which is dried and discharged from the wet food waste, and the hot air dried through the condensing part And the supply of the food garbage is performed. The cooling apparatus according to claim 2, wherein a cooling water pipe (47) arranged in spiral contact with the outer surface of the pipe (46) of the condensing section (45) is provided to cool the hot air passing through the condensing section And the hot air which is caused to flow into the drying cylinder through the heater and the hot air supply section to dry the hot water waste in the drying cylinder is continuously circulated. Garbage disposal device. The method according to claim 2 or 3, wherein the condensing part (45) is provided with a nozzle (55) for drying the food waste in the drying barrel and spraying water to the discharged hot air, Wherein the food garbage fine particles contained in the food waste are aggregated and removed. The apparatus according to claim 4, wherein the water condensed in the condensing section (45) and the dewatered water discharged from the water storage tank are discharged together through the main drain pipe, and the discharge pipe of the hot water circulation device is connected to the vertical connection pipe 56) is located at a position higher than the position (58) where the pipe for discharging the dehydrated water from the low-water tub is communicated, so that the discharge water in the low-water tub is prevented from flowing into the hot- Food waste disposal system.

Images