KR20150033003A - food waste treatment equipment - Google Patents

Abstract

The present invention relates to a food waste disposal machine and, more specifically, to a food waste disposal machine capable of discharging food waste directly through the sewerage without extra disposal by grinding food waste generated from restaurants, etc. and then digesting the ground food waster with microorganisms, and purifying the digested food waste. The food waste disposal machine according to the present invention comprises: an insertion part which is equipped with a hopper, wherein food waste is inserted from the outside, and a screw feeder comprising a transfer pipe, which horizontally transfers the food waste inserted from the hopper and which is connected to the lower end of the hopper and arranged in the horizontal direction, and a screw, which horizontally transfers the food waste inserted into the transfer pipe by rotating in the interior of the transfer pipe; a preprocess part cutting the wasted food supplied from the insertion part with blades and grinding with rotating grinding rods; an agitation and digestion part digesting the food waste which is cut and ground in the preprocess part by agitating with microorganisms; and a discharge part discharging the food waste digested in the agitation and digestion part.

Description

Food waste treatment equipment

The present invention relates to a food garbage disposal apparatus, and more particularly, to a food garbage disposal apparatus capable of decomposing a negative garbage discharged from a restaurant or the like into microorganisms after pulverization, purifying decomposition products, ≪ / RTI >

Generally, large quantities of food waste are discharged in places where food is served, such as restaurants and food service stations. Conventionally, a food waste receptacle separately provided for a kitchen or the like is used for discharging food waste, but this has a problem that it is very difficult to discharge the food waste when the amount of food waste is large.

In order to solve such a problem, food waste disposed in the lower part of the kitchen sink and discharged into the sewer after crushing the food has been proposed. Such a device is suitable for treating a small amount of food waste, It is not suitable for use in a place where a large amount of food waste is discharged, and there is a problem such as causing water pollution when the food waste is simply pulverized and discharged, and when the pulverization is not performed well, .

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a food garbage disposal apparatus capable of treating a large amount of garbage, So that water contamination can be reduced and clogging of piping can be prevented.

According to another aspect of the present invention, there is provided a food garbage disposal apparatus comprising: a hopper into which food waste is introduced from outside; and a food garbage introduced from the hopper, wherein the food waste is horizontally conveyed and connected to the lower end of the hopper, And a screw feeder including a feed pipe and a screw for horizontally moving the food waste injected into the feed pipe as it is rotated inside the feed pipe; A pretreatment unit for cutting the food waste received from the input unit with a blade and crushing the food waste with a rotating crushing rod; An agitating / decomposing unit for agitating and breaking the food waste cut and ground in the pretreatment unit with microorganisms; And a discharge unit for discharging the decomposed food waste decomposed in the agitating / decomposing unit.

The pre-processing unit has a circular opening formed at a portion connected to the screw feeder and connected to the feed end of the screw feeder, and has a diameter corresponding to the diameter of the circular opening, A pretreatment casing comprising a perforated net through which the pulverized food waste passes, and an upper portion having a concave portion formed to prevent food waste from sticking to the food waste; A plate member coupled to the circular opening of the pretreatment casing is formed with a circular through hole at the center so as to communicate with the inside of the pretreatment casing, the outer end of which is connected to the end of the feed pipe, A fixing plate on which the blades are protruded; And a rotating plate rotatably installed on the inner wall opposite to the circular opening of the pretreatment casing and having a crushing rod protruding from the inner side thereof for crushing food waste charged into the pretreatment casing.

The sprocket is coupled to the protruded rotary shaft, the chain is coupled to the sprocket, and the other side of the chain is driven by a rotary plate A sprocket coupled to a motor shaft of the motor is coupled to rotate the rotating plate according to the operation of the rotating plate driving motor.

The stirring / disassembling section is disposed in the lower portion of the pretreatment casing and communicates with the pretreatment section. The heating wall is provided at the inner wall with a heating member for adjusting the temperature required for decomposing the food waste into microorganisms. An outer casing; And a discharge pipe is formed at one side of the bottom surface of the casing so as to be connected to the through hole formed at one side of the bottom surface of the outer casing An inner casing formed to be inclined so that the bottom surface becomes lower toward the discharge port side; And an agitator provided on the inner side of the inner casing for agitating and breaking the cut and crushed food waste transferred from the pretreatment unit together with the microorganisms.

A water supply pipe for supplying water necessary for decomposing microorganisms is provided on the upper inner wall of the inner casing, and the water supply pipe is provided with a plurality of injection nozzles for spraying water to the agitator.

Here, the stirrer is composed of a housing having a semicircular cross section and an open top, disposed in the inner side of the inner casing in the inner casing, for storing the food waste which is cut and crushed and installed inside the inner casing, And a perforated mesh having a through hole formed therein; A purifying filter coupled to a lower side of the reaction tank; A rotating shaft disposed laterally in the reaction tank and rotated by a stirrer driving motor; And a plurality of stirring vanes provided on an outer circumferential surface of the rotating shaft for stirring and dissolving the food waste introduced into the reaction tank together with the microorganisms.

In addition, a decomposition product discharge hole is formed in the lower half of the semicircular curved surface of the reaction tank so as to allow liquid decomposition products produced by microbial decomposition of food waste to pass therethrough, and the upper half of the semi-circular curved surface of the reaction tank has a larger diameter than the decomposition product discharge through- Decomposable material discharge holes are formed for discharging the material which is not decomposed by the decomposable material.

The purifying filter includes a filter member made of a sponge material therein, a mesh surrounding the outer side of the filter member, and a hook at the left and right upper end portions of the filter to be engaged with both left and right edges of the upper end of the reaction tank.

As described above, according to the present invention, it is possible to treat a large amount of food waste, and the grinding effect is excellent by the simultaneous and mutual action of the pulverizing rod and the blade, and the decomposition product of the liquid phase is directly discharged into the sewage, The water quality of the liquid decomposition product is discharged after being purified and thus the water pollution can be reduced and the clogging of the pipe can be prevented.

1 is a perspective view of a food garbage disposal apparatus according to the present invention,
2 is a cross-sectional view of a food garbage disposal apparatus according to the present invention,
3 is an exploded view of a crushing part of a food garbage disposal apparatus according to the present invention,
FIG. 4 is an exploded view of a stirring / disassembling unit of a food waste disposal apparatus according to the present invention,
5 is a cross-sectional view of an agitating section of a food waste disposal apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the structure and operation of a garbage disposal apparatus according to the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in FIG. 1, the apparatus for treating garbage according to the present invention includes a charging unit 100, a pre-treatment unit 200, a stirring / disassembling unit 300, and a discharging unit 400.

The charging unit 100 includes a hopper 110 and a screw feeder 120. The hopper 110 and the screw feeder 120 are disposed in the loading unit 100,

The hopper 110 functions as a kind of funnel having an upper and lower portions and a generally upper portion and a lower portion of a narrow vertical stripe shape and is formed to be communicable with an upper portion of one side of the conveyance pipe 121 of a screw feeder 120 , And acts as an inlet through which food waste to be treated from the outside is introduced.

A screw feeder 120 is provided below the hopper 110. The screw feeder 120 horizontally moves the food waste introduced through the hopper 110 to a preprocessing unit 200 to be described later and includes a transfer pipe 121 and a screw 122.

The transfer pipe 121 is in the form of a hollow hollow pipe, connected to the lower portion of the hopper 110 and extended in the horizontal direction (perpendicular to the hopper 110). A flange 121a is formed at one side end (the hopper 110 side) of the transfer pipe 121 and a cover plate 121b is detachably coupled to the flange 121a. A through hole (not shown) is formed at the center of the cover plate 121b so that the axis of the screw 122, which will be described later, is exposed through the through hole.

A screw 122 is disposed in the transfer tube 121. The screw 122 is introduced from the hopper 110 and pushes the food waste introduced into one side of the transfer pipe 121 by an extrusion method and moves the waste to the preprocessing unit 200. The shaft of the screw 122 protrudes outward through the central through hole of the cover plate 121b and the sprocket 125 is connected to the shaft end of the protruded screw 122 as described above. The sprocket 125 is coupled to one side of the chain 128 and the chain 128 is coupled to another sprocket coupled to the screw drive motor 129 on the other side.

When the screw driving motor 129 is driven through this configuration, a rotational force is transmitted to the shaft of the screw 122 by the sprocket 125 and the chain 128 to rotate the screw 122, 121 are horizontally transported by the screw 122.

The pretreatment unit 200 finely crushes and cuts food waste received from the input unit 100 and includes a pretreatment casing 210, a rotating plate 230, and a fixed plate 220.

The pretreatment casing 210 is connected to the end of the feed pipe 121 of the screw feeder 120 and receives the food waste conveyed by the screw 122 and receives the rotating plate 230 and the fixing plate 220 , As shown in Fig. 1, is composed of a semicircular cylinder.

3, a circular opening is formed in a portion of the pre-processing casing 210 connected to the transfer tube 121 of the charging unit 100, and a diameter of the circular opening A phantom 212 having a corresponding diameter is formed. The lower half of the fortification 212 is composed of a perforated network 212a through which the pulverized food waste is allowed to pass to the stirring and disassembling section 300. The upper half of the fortification 212 adheres to the food waste The concavo-convex portion 212b is formed. The concavity and convexity 212b may be embossed, but it is preferable that the concavity and convexity 212b have a plurality of sharp mountain-like projections extending in the width direction of the shaft 212 as shown in FIG.

A fixing plate 220 is coupled to the circular opening of the pretreatment casing 210. 3, a circular through-hole is formed at the center of the fixing plate 220, and a distal end of the transfer pipe 121 of the charging unit 100 is connected to one side of the fixing plate 220, And communicates with the opening. A plurality of blades 222 protrude from the other side of the fixing plate 220. The blades 222 are provided to cut large, long or tough components such as woofers contained in food wastes. A plurality of blades 222 are disposed at predetermined angular intervals concentric with the center of the fixing plate 220 and disposed between the grinding rods 232 of the rotating plate 230 to be described later so as not to interfere with the grinding rods 232 . The fixing plate 220 is fixedly coupled with the bolt 224 in a state of being opposed to the circular opening of the pretreatment casing 210.

As shown in FIG. 3, a rotary plate 230 is provided on the other side inner wall (opposite to the circular opening) of the pre-treatment casing 210. The rotating plate 230 is a circular plate, and a plurality of crushing rods 232 protrude from the inner side. The crushing rod 232 is a square bar having a substantially rectangular cross section and crushes the food waste injected into the pretreatment casing 210.

The rotary plate 230 is rotatably coupled to the inner wall of the pretreatment casing 210. The rotary shaft 234 is coupled to the center of the rotary plate 230 and the rotary shaft 234 protrudes outward through the pre- The pre-processing casing 210 may be provided with a bearing (not shown) to rotate the rotation shaft 234 smoothly. A sprocket 235 is coupled to a rotation shaft 234 protruding to the outside, and a chain 236 is coupled to the sprocket 235. The other side of the chain 236 is engaged with a sprocket 239 coupled to the motor shaft of the spindle drive motor 238. Accordingly, when the rotating plate driving motor 238 is operated, the rotational force is transmitted by the sprockets 235 and 239 and the chain 236, and the rotating shaft 234 and the rotating plate 230 are rotated.

Through such a construction, cutting is performed by the blade 222 of the pretreatment unit 200, and the pulverization rod 232 is subjected to impact pulverization, so that the food waste is processed to a size that facilitates decomposition of the food waste into microorganisms. The food waste disintegrated in the pretreatment unit 200 is dropped into the stirring / disassembling unit 300, which will be described later, through the perforated network 212a of the shoe case 212 in the crushing case.

As shown in FIGS. 4 and 5, the agitating / decomposing unit 300 is a part for dissolving the pulverized food waste transferred from the pretreatment unit 200 together with the microorganisms, 320) and an agitator (330).

The outer casing 310 is an enclosure having a built-in inner casing 320 and an agitator 330 to be described later and is disposed at a lower portion of the pretreatment unit 200 and configured to communicate with the pretreatment unit 200, It consists of a housing.

4 and 5, on the inner wall of the outer casing 310 of the agitating and disassembling unit 300, an optimum temperature required for decomposing food waste into microorganisms is adjusted in a stirrer 330, which will be described later, It is preferable that the heating member 311 is further provided with an electric heater or a hot water pipe. The construction of the heater for operating the electric heater or the heater and the pump for operating the hot water pipeline is a typical configuration and a detailed description thereof will be omitted.

A through hole 312 is formed at a lower side of the outer casing 310. The through hole 312 protrudes from one side of a lower portion of the inner casing 320 to be described later, And a discharge pipe 326 for discharging waste (hereinafter referred to as "decomposition product") to a decomposition product collection tank 410 of a discharge unit 400 to be described later.

The inner casing 320 is coupled to the inside of the outer casing 310 and covers the heating casing 311 to prevent the heating member 311 installed on the inner wall of the outer casing 310 from being exposed. Here, the inner casing 320 may be fastened or welded to the inner wall of the outer casing 310 with bolts or the like.

A discharge pipe 326 for discharging the decomposed product formed by the microorganism in the agitator 330 protrudes downward at one side of the bottom surface of the inner casing 320. The bottom surface of the inner casing 320 may be inclined so as to be lowered toward the discharge port so that the decomposition product can flow smoothly into the discharge pipe 326 at one side.

Further, it is preferable that a water supply pipe 322 is provided on the upper side (preferably, the upper side inner wall) of the inner casing 320. The water supply pipe 322 is a pipe for supplying water to the agitator 330 so as to adjust the humidity of the food garbage by microorganisms. The water supply pipe 322 is provided with a plurality of injection nozzles 324, Water is periodically injected into a stirrer 330 (more specifically, in the reaction tank 331 of the stirrer 330) to be described later. The end of the water supply pipe 322 may be connected to a separate water tank (including a pump) through the inner casing 320 and the outer casing 310, or may be directly connected to the water supply pipe. It is preferable that the water supply pipe 322 is provided with a timer (not shown) so that water can be injected periodically, for example, every 15 minutes, and an automatic valve (not shown) .

4 and 5, the stirrer 330 includes a reaction tank 331, a purifying filter 332, a rotating shaft 334, a stirring blade 338, and a stirrer driving motor 336 do.

The reaction tank 331 is provided inside the inner casing 320 and temporarily stores the pulverized food waste transferred from the pretreatment unit 200 for stirring and microbial decomposition. As shown in FIG. 4, Is a housing having a semicircular cross section and an open upper part, which are arranged in the lateral direction inside the casing (320). The reaction tank 331 is preferably formed with a plurality of decomposition product discharge holes 331a on the surface thereof so that the decomposed food waste decomposed by microorganisms is discharged downward.

Since the food waste decomposition product produced by the microorganism in the reaction tank 331 is a liquid, the decomposition product discharge hole 331a is preferably formed to be small enough not to be decomposed into a liquid phase and not to pass through food waste.

The decomposition product discharge hole 331a of the reaction tank 331 is formed only in the lower half of the semicircular curved surface of the reaction tank 331 and the upper surface of the upper surface of the reaction tank 331, It is preferable that the decomposable matter discharge hole 331b having a larger diameter than the discharge hole 331a is formed. The decomposable substance discharge vent 331b is for discharging a substance which is not readily decomposed by microorganisms such as shells or bones. The decomposable substance is discharged by being rotated by the agitator 330, , And the decomposed matter that has fallen may be collected later.

The decomposition product is dropped through the decomposition product discharge hole 331a of the reaction tank 331 to the bottom surface of the inner casing 320 and then discharged through the discharge pipe 326, So that only the liquid decomposition product can be discharged to the outside.

Below the reaction tank 331, a purifying filter 332 for filtering out the undissolved particles present in the decomposed product and purifying the decomposed product is mounted. The purifying filter 332 is provided with a filter member (not shown) made of a material such as sponge, a mesh net surrounding the filter member, and hooks 332a provided on the left and right upper ends And is configured to be engaged with the upper end edge of the reaction tank 331 and to be coupled or separated from the side by a sliding method. The decomposing filter 332 is for filtering the liquid decomposition product discharged through the decomposition product discharge hole 331a and the decomposable product discharged through the decomposition product discharge hole 331b is separated from the inner casing 320, It is preferable that the portion of the reaction tank 331 in which the decomposable matters discharge through hole 331b is formed is not covered so as to cover only the portion where the decomposition product discharge hole 331a is formed.

The rotating shaft 334 is disposed in the transverse direction in the reaction tank 331 and both ends of the rotating shaft 334 are connected to the left and right side plates of the reaction tank 331 and the inner casing 320 and the outer casing 310 A stirrer driving motor 336 for rotating the rotating shaft 334 is coupled to one end of the rotating shaft 334. The rotating shaft 334 is rotatably coupled to a bearing 314 provided in the outer casing 310 after passing through the side plate. A plurality of stirring vanes 338 are formed on the outer circumferential surface of the rotating shaft 334 to stir and disassemble the pulverized food waste introduced into the reaction tank 331 together with the microorganisms.

As described above, the food waste in the reaction tank 331 is decomposed by the microorganism and converted into a liquid-phase decomposition product. The decomposed product is discharged through the decomposition product discharge hole 331a of the reaction tank 331, Purified by the lower purifying filter 332, and then dropped to the bottom surface of the inner casing 320. The bottom surface of the inner casing 320 is inclined toward the discharge pipe 326 so that the decomposed product is discharged through the discharge pipe 326 to be introduced into the decomposition product collection tank 410 of the discharge unit 400, .

As shown in FIG. 2, the discharge unit 400 is a part for discharging the decomposition product discharged through the discharge pipe 326 from the agitation / decomposition unit 300 to the outside. The decomposition product collection tank 410 temporarily stores the decomposed product, And a drain pipe 430. The decomposition product collection tank 410 is connected to the discharge pipe 326 of the agitation decomposition unit 300 and a drain pipe 430 for discharging the decomposition product to the drain pipe is formed at the lower side of the decomposition product collection tank 410. The bottom of the decomposition product collection tank 410 may further include a screen 420 for filtering the decomposed product.

According to the present invention described above, the food waste is liquefied, purified and discharged to the sewer, so that the food waste can be automatically processed and water pollution can be minimized.

100: input portion 110: hopper
120: screw feeder 121: feed pipe
121a: flange 121b: cover plate
122: screw 125: sprocket
128: chain 129: screw drive motor
200: Pretreatment unit 210: Pretreatment casing
212: Fanta 212a: Perforated network
212b: concave / convex portion 220: fixed plate
222: Blade 224: Bolt
230: spindle 232: crushing rod
234: rotating shaft 235: sprocket
236: chain 238: spindle drive motor
239: Sprocket 300: Stirring section
310: outer casing 311: heating member
312: through hole 314: bearing
320: inner casing 322: water pipe
324: injection nozzle 326: discharge pipe
330: stirrer 331: reactor
331a: Disassembly discharge hole 331b: Disassembly discharge hole
332: Purification filter 332a:
334:
336: stirrer drive motor 338: stirring blade
400: discharging part 410: decomposition collecting tank
420: filter net 430: drain pipe

Claims (8)

A hopper 110 to which food waste is injected from the outside and a feed pipe 121 which horizontally feeds the food waste fed from the hopper 110 and is connected to a lower end of the hopper 110 and is disposed in a horizontal direction, (100) having a screw feeder (120) including a screw (122) for horizontally moving the food waste introduced into the feed pipe (121) as it is rotated inside the pipe (121);
A pretreatment unit 200 for cutting the food waste received from the input unit 100 with a blade 222 and crushing the food waste with a rotating crushing rod 232;
An agitating / decomposing unit 300 for agitating and breaking the food waste cut and ground in the pretreatment unit 200 with microorganisms;
And a discharge unit (400) for discharging the decomposed food waste from the agitation / decomposition unit (300). The method according to claim 1,
The preprocessing unit (200)
A circular opening is formed at a portion connected to the screw feeder 120 and connected to the end of the feed pipe 121 to receive the transferred food waste. The diameter of the circular opening (212) having a corresponding diameter and a lower half of which is composed of a perforated network (212a) through which pulverized food wastes are passed and an upper half of which is provided with a concave portion (212b) for preventing food waste from sticking )and;
A circular through hole is formed at the center to communicate with the inside of the pretreatment casing 210 and a distal end of the transfer pipe 121 of the input unit 100 is connected to the outside of the pretreatment casing 210 And a plurality of blades (222) protruding from the fixing plate (220) for cutting food waste;
A rotation plate 230 rotatably installed on the inner wall opposite to the circular opening of the pretreatment casing 210 and having a crushing rod 232 protruded on the inner side thereof for crushing food rubbish charged into the pretreatment casing 210 Includes a garbage disposal device. 3. The method of claim 2,
A rotating shaft 234 is coupled to the center of the rotating plate 230. The rotating shaft 234 protrudes through the pre-processing casing 210 and the sprocket 235 is coupled to the protruded rotating shaft 234 A chain 236 is coupled to the sprocket 235 and the other side of the chain 236 is coupled to a sprocket 239 coupled to the motor shaft of the rotation plate drive motor 238, And the rotation plate (230) is rotated in accordance with the operation of the control unit. 3. The method of claim 2,
The stirring / disassembling section (300)
A heating member 311 for adjusting the temperature required for decomposing the food waste into microorganisms is provided on the inner wall of the casing, An outer casing 310 having a through hole 312 formed therein;
The upper casing 310 is coupled to the inside of the outer casing 310. The upper casing 310 covers the heating casing 311 to prevent the heating member 311 from being exposed. An inner casing 320 having an inclined lower surface formed with a discharge pipe 326 penetratingly connected to the through hole 312 formed at one side thereof and having a bottom surface lowered toward the discharge port side;
And an agitator (330) disposed inside the inner casing (320) for agitating and breaking the cut and crushed food waste delivered from the pretreatment unit (200) together with the microorganisms. 5. The method of claim 4,
A water supply pipe 322 for supplying water necessary for decomposing microorganisms is provided on the upper inner wall of the inner casing 320 and a plurality of injection nozzles 324 for spraying water to the stirrer 330 are installed in the water supply pipe 322, Wherein the food garbage disposal apparatus comprises: 5. The method of claim 4,
The agitator (330)
The inner casing 320 is disposed inside the inner casing 320 in a transverse direction. The inner casing 320 has a semicircular cross section and an upper portion. The inner casing 320 has a plurality of A reaction tank 331 having a through hole formed therein;
A purifying filter 332 coupled to the lower side of the reaction tank 331;
A rotating shaft 334 disposed laterally in the reaction tank 331 and rotated by the stirrer driving motor 336;
And a plurality of stirring blades (338) provided on an outer circumferential surface of the rotating shaft (334) for stirring and dissolving the food waste put into the reaction tank (331) together with the microorganisms. The method according to claim 6,
In the lower half of the semicircular curved surface of the reaction tank 331, a decomposition product discharge hole 331a for passing the liquid decomposition product produced by the microbial decomposition of food waste is formed. In the upper half of the semi-circular curved surface of the reaction tank 331, (331b) for discharging a substance having a diameter larger than that of the food waste (331a) and not decomposing by the microorganisms. The method according to claim 6,
The purifying filter 332 is provided with a filter member made of a sponge material and includes a mesh surrounding the outer side of the filter member and has hooks 332a at upper left and lower ends thereof, And wherein the food garbage disposal apparatus is engaged with the edge of the food garbage disposal apparatus.

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