KR0179418B1 - Food wastes disposer - Google Patents

Abstract

The present invention is to reduce the volume of food waste by drying, reducing the amount of food waste generated in the kitchen of the home or general office, and to recycle the dried food waste as feed or fertilizer, and in the food waste The present invention relates to a kitchen waste treatment apparatus that minimizes the generated waste water to suppress environmental pollution. The present invention decomposes and compresses food waste introduced from a kitchen sink to separate the sludge in a comb state and the sewage in a gel or gel state. A first dehydration and compression unit 100; A second dehydration and separation unit 200 for separating the sewage in the gel or gel state supplied from the first dehydration and compression unit into second sludge and sewage; Composed of a drying and crushing unit 300 for drying and grinding comb sludge dehydrated in the first dehydration and compression unit can not only effectively handle food waste generated in the kitchen, but also reduce the amount of waste generated to a minimum, There is no risk of environmental pollution due to food waste, light waste can be crushed and food waste can be recycled as feed or fertilizer.

Description

Kitchen waste disposal device

1 is a configuration diagram of the present invention.

2 is a cross-sectional view of the first dewatering and compression crushing unit of the present invention.

3 is a detailed view of the foreign material input preventing portion of Fig. 2 is a plan view, b is a side view.

4 is a cross-sectional view of the drying unit of the present invention.

5 is a cross-sectional view of a second dehydration and separation of the present invention.

6 is another cross-sectional view of the crushing unit of the present invention.

7 is a detailed cross-sectional view of the bone grinding part of the present invention.

8 is a detailed cross-sectional view of another bone grinding part of the present invention, a is a full cross-sectional view, b is a sectional view of the helical gear coupling state.

* Explanation of symbols for main parts of the drawings

100: first dewatering and crushing unit 101: garbage input pipe

110: compression dewatering section 111: screw

112: motor 113: sludge sewage separation pipe

114: circulation inlet 116: sludge discharge pipe

116A: Grinding Motor 116B: Grinding Piece

116C: Grinding Blade 116D: Sludge Removal Piece

117: sewage discharge hole 120: sewage chamber

121: sewage discharge pipe 130: foreign body injection prevention unit

131: support rib 132: operating plate

133: spring 200: drying unit

201: inlet pipe 202: air discharge pipe

203: tray 204: through hole

210: drying unit 211: heater

212 exhaust fan 213 deodorization and ozone treatment

220: grinding portion 221: stirring piece (rotating body)

222 motor 223 filter member

225: sludge discharge hole 227a, 227b: inlet

300: second dewatering and separating unit 301: inlet pipe

310: rotary separator 311: sludge sewage separation chamber

312: fixed disk 313: sewage discharge

314: sludge discharge hole 315: motor

316: opening and closing plate 317: solenoid

320: sludge chamber 321: sludge discharge pipe

330: sewage chamber 331: sewage discharge pipe

340: storage tank 341: pump

400: drying and grinding unit 401a, 401b: inlet

402: air outlet 403: tray

404: through hole 410: drying unit

411: heater 412: exhaust fan

413: deodorizer 420: the first stirring drying unit

421: rotating cylinder 422: lathe

424: inlet cylinder 425: discharge hole

426: opening and closing plate 427: solenoid

428a, 428b: inlet 429: discharge pipe

430: second dry grinding unit 431: a rotating cylinder

432: Stirring and grinding pieces 435: Inflow cylinder

436a, 436b: Inlet 437: Outlet

440: bone grinding 441: input tube

442: discharge pipe 443: grinding hemmer

444: opening and closing plate 445: solenoid

446: Helical Gear

The present invention is to minimize food waste generation by drying and reducing the amount of food waste generated in the kitchen of a home or general office, to be recycled to feed or fertilizer, and to reduce the contamination of sewage generated from food waste. The present invention relates to a kitchen waste disposal apparatus, which minimizes environmental pollution.

Conventionally, a disposer was used to treat food waste, but the disposer is installed in the sink drain of the kitchen to finely crush the incoming food waste. In some cases, the use of disposers has been banned because it is a major cause of pollution and water pollution.

On the other hand, the device using the fermentation method has also been developed and utilized in the kitchen food waste treatment, but since the fermentation treatment device is to collect only the food waste separately, the food waste generated from the food waste will increase the river and water pollution. In addition, there was a problem that a separate additive must be used for fermentation.

Accordingly, the present invention has been made to solve the above problems, the object of which is first; Reduce the amount of food waste to minimize the amount of food waste, and secondly; To allow food waste to be dried and recycled as fertilizer or feed; To reduce the pollution level of sewage generated from food waste to maximize water pollution such as rivers; It is to provide a kitchen trash processing apparatus for easily crushing the solid waste, such as bones of food waste.

In order to achieve the above object, the present invention, as shown in FIG. 1, the first dehydration to decompress and crush the food waste introduced from the kitchen sink, etc. and separated into sludge in the comb state and sewage in the gel or gel state And a compression mill; A second dehydration and separation unit for separating the sewage in the gel or gel state supplied from the first dehydration and compression mill into second sludge and sewage; A basic feature of the technical construction is that the drying unit for drying the sludge in the comb state dehydrated in the first dewatering and compression unit is dried.

An embodiment of the present invention configured as described above will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2 and FIG. 3, the first dehydration and compression crushing unit 100 is installed vertically upwardly the inlet pipe 101 which is directly connected to the outlet, such as the sink.

The compression dehydration unit 110 of the first dewatering and compression unit 100 is connected to the sludge sewage separation pipe 113 at the lower end of the inlet pipe 101, the motor inside the sludge sewage separation pipe 113 Install the screw 111 to which 112 is attached. The sludge sewage separation pipe 113 of the compressed dewatering unit 110 is formed in a tapered shape gradually narrowed toward the sludge discharge pipe 116, and the screw 111 also has a tapered shape of the sludge sewage separation pipe 113. It is formed in the same manner, but the pitch interval of the screw 111 becomes narrower gradually toward the sludge discharge pipe 116 side, at a position close to the sludge discharge pipe 116 side while being equally spaced in the sludge discharge pipe 116 side support surface Support In addition, a lower side of the outer circumferential surface of the sludge sewage separation pipe 113 is formed by drilling a plurality of sewage discharge holes 117, and a circulating inlet 114 is installed on one side of the outer circumferential surface and the motor 116A installed outside the sludge discharge pipe 116. The grinding piece 116B driven by the crushing blade 116C and the sludge removing piece 116D are sequentially installed, but the crushing piece 116B is installed to be rotated about the bibot shaft 142 on the rotating disc 140. At least one grinding blade 116C may be installed, and the sludge removing piece 116D uses a soft material such as rubber.

The sewage chamber 120 of the first dehydration and compression crushing unit 100 is formed under the sludge sewage separation pipe 113 of the compression dehydration unit 110, and the sewage discharge pipe 121 is installed at one side of the bottom surface.

Foreign body injection prevention unit 130 of the first dewatering and compression crushing unit 100 is installed on the inner circumferential surface of the waste input pipe 101, the support ribs 131, the operating plate (131) 132 is attached, the spring 133 is attached to the operating plate 132 to elastically install the operating plate 132.

As shown in FIG. 4, the drying unit 200 is provided with an inlet pipe 201 in communication with the sludge discharge pipe 116 formed in the compression dewatering grinding unit 110 of the first dewatering and compression unit 100 and The air discharge pipe 202 is formed on one side of the lower side, and a tray 203 is formed on the bottom surface of the air discharge pipe 202 formed on the sidewall of the air discharge pipe 202 to form the air permeation hole 204 of the dry garbage.

The drying unit 210 of the drying chamber 200 is provided with a heater 211 in the upper casing of the drying unit 200, the deodorization and ozone treatment unit 213 and the exhaust fan 212 in the air discharge pipe 202. Install.

The rotating body 320 is provided with a plurality of support pieces 323 installed across the support plate 322 at both ends to perform a function of dispersing the waste of the solid input. Directly below the rotating body 320 is provided with a catching member 330 having a plurality of drop holes 331 in a semi-cylindrical shape so as to be able to attach.

In addition, the lower portion of the filtering member 330 is provided with a drawer member 340 that slides to the front.

As shown in FIG. 5, the second dewatering and separating unit 300 is connected to the wastewater discharge pipe 121 installed in the sewage chamber 120 of the first dewatering and compressing unit 100. Install.

The rotary separator 310 of the second dewatering and separating unit 300 is in communication with the inlet pipe 301, the inner surface is provided with a sludge sewage separation chamber 311 inclined downward, the sludge sewage separation chamber To prevent the discharge of fine sludge contained in the sewage flowing into the center of the (311) before the separation, and to install a fixed disk 312 corresponding to the inlet pipe 301 to increase the efficiency of sludge separation, sludge sewage The motor 315 is coupled to the separation chamber 311. The sludge sewage separation chamber 311 of the rotary separator 310 forms a sewage discharge hole 313 on one side of the bottom surface, and a sludge discharge hole 314 on one side of the upper edge thereof, and the sludge discharge hole 314. The opening and closing plate 316 is installed on the upper surface of the), and the solenoid 317 is coupled to the opening and closing plate 316.

The sludge chamber 320 of the second dewatering and separating part 300 is positioned above the rotary separator 310, and communicates with the sludge discharge hole 314, and installs a sludge discharge pipe 321 on one side. do.

The sewage chamber 330 of the second dewatering and separating unit 300 is positioned below the rotary separator 310, and communicates with the sewage discharge hole 313, and installs a sewage discharge pipe 331 below. do.

The storage tank 340 of the second dewatering and separating unit 300 is in communication with the sludge discharge pipe 321 of the sludge chamber 320, the pump 341 is installed to the first dewatering and compression unit 100 It is in communication with the circulation inlet 114 formed in the compression dehydration unit 110.

As shown in FIG. 6 and FIG. 7, another drying and crushing unit 400 of the present invention communicates with the sludge discharge pipe 116 formed in the compressed dewatering unit 110 of the first dehydration and compression unit 100. Install an inlet pipe 401a, and install another inlet pipe 401b for introducing bone powder, etc., forming an air discharge pipe 402 on one side of the lower side, and garbage on the side wall of the air discharge pipe 402 side. The tray 403 having the through hole 404 is installed in the lower portion to prevent the flying.

The drying unit 410 of the drying and crushing unit 400 is provided with a heater 411 on the casing of the drying and crushing unit 400, the deodorization and ozone treatment unit 412 and exhaust in the air discharge pipe 402 Install the fan 413.

The first stirring drying unit 420 of the drying and crushing unit 400 has an inlet 428a communicating with the inlet tube 401a on the upper side, and an inlet cylinder 424 combining the outlet tube 429 on the lower side. It is installed, and one end of the rotating cylinder 421 is inserted into the inner circumferential surface of the inflow cylinder 424. The rotary cylinder 421 forms an inlet 428b which rotates and communicates with the inlet 428a of the inlet cylinder 424, and attaches the shelf 422 to the inner circumferential surface of the rotary cylinder 421 in the longitudinal direction. . A plurality of sludge discharge holes 425 are formed on the outer circumferential surface of the rotating cylinder 421, and the motor is coupled to the rotating cylinder 421. In addition, the opening and closing plate 426 is installed on the discharge pipe 429, the solenoid 427 is coupled to the opening and closing plate 426.

The second dry grinding unit 430 of the drying and grinding unit 400 is an inlet 436a and a bone powder inlet 436b communicating with the discharge pipe 429 of the first stirring drying unit 420. One end of the rotating cylinder 431 is inserted into both sides of the cylinder 435, respectively.

A plurality of sludge discharge holes 437 are formed on the outer circumferential surface of the rotating cylinder 431, and the motor is coupled to one side of the rotating cylinder 431, but the stirring and crushing pieces combined with another motor inside the rotating cylinder ( 432).

The bone grinding unit 440 of the drying and grinding unit 400, as shown in FIG. 7, forms a bone input tube 441, the grinding hemmers (with a motor coupled to the lower end of the bone input tube 441) 443, and the discharge pipe 442 in communication with the bone powder inlet (436b) of the second dry grinding portion 430 in the lower side of the crushed hemming (443), the solenoid 445 in the discharge pipe (442) ) Is attached to the opening and closing plate (444).

In addition, as shown in FIG. 8, a pair of scoops 446 rotated so as to overlap each other by a pair of helical gears fitted to the motor may be configured.

Referring to the operation and effects of the present invention as follows.

When the kitchen trash is put into the input pipe 101, the kitchen trash is automatically supplied to the compressed dehydration pulverizing unit 110 through the foreign body injection preventing unit 130 by the weight of the kitchen trash. At this time, since the screw 111 is rotated by operating the motor 112 of the compressed dewatering and crushing unit 110, the kitchen waste introduced into the compressed dehydrating unit 110 is compressed while being moved to one side by the rotation of the screw 111. do. Compressed sludge is transferred to the sludge discharge pipe 116 communicated with the sludge sewage separation pipe 113 and at the same time sewage due to compression is sewage in a gel or gel state through the sewage discharge hole 117 of the sludge sewage separation pipe 113. Supplied to the seal 120. In particular, the discharge port side of the sludge sewage separation pipe 113 and the front end of the screw 111 is tapered to form a narrower diameter not only to improve the compression and dehydration effect, but also the pitch interval of the screw 111 The narrower the shear, the more the compression and dehydration effect can be maximized, and the end of the screw 111 is exposed to the sludge discharge pipe 116 is exposed to prevent the remaining of the sludge caught between the pitch of the screw 111. . At the end of the sludge discharge pipe 116, a crushed piece driven by a motor is installed to crush the sludge conveyed by dehydration and transported to the drying unit, and the sludge conveyed through the sludge discharge pipe 116 is driven by a high speed motor 116A. The sludge conveyed through the grinding piece 116 rotating at the high speed is rotated at high speed by the motor 116A. The grinding piece 116B is rotated at a high speed about the pivot shaft 142 by the rotating centrifugal force. While rotating in the unfolded state, the sludge is crushed by the sludge, and when the hard object such as bone is transported, the crushed piece 116B that is hit by the hard object is rotated about the pivot axis 142 to the virtual line of FIG. 2b. As shown in the figure, it will be retracted inward and stops further rotation by being caught by the stop wave 145 and the reaction force and circle generated when it hits the stop wave 145. The crushing piece 116B is unfolded by the force and hits the bone again, and the same action is repeatedly performed to break a hard material such as hard bones, and the sludge passing through the primary crushing piece 116B is a crushing blade ( 116C) is crushed into small pieces at this time, the scattered sludge is swept by the sludge raised piece 116D in the rear to fall down. In addition, when a low-weight object such as a spoon falls into the foreign body injection prevention unit 130, the operation plate 132 of the foreign body injection prevention unit 130 is kept in a closed state by elasticity, so that the user is caught with a spoon. Can easily pull out the cutlery in the inlet 101. On the other hand, by installing a piston inside the sludge sewage separation pipe 113 of the first dewatering and compression crushing unit 100 may dehydrate and compress the kitchen trash to process the kitchen trash.

The sludge dewatered and compressed in the first dehydration and compression unit 100 as described above is pulverized in the sludge discharge pipe 116 and is supplied to the inlet pipe 201 of the drying unit 200 through the sludge. The sludge supplied to the inlet pipe 201 of the drying unit 200 falls to the filtering member 223 formed at the lower end of the inlet pipe 201, and at this time, the heater 211 installed in the drying unit 210 is operated. At the same time as supplying the hot air, the exhaust fan 212 and the deodorizer 213 installed in the bottom discharge pipe 202 operate to smooth the flow of the hot air, and remove the odor contained in the air discharged to the outside to return the air to the outside. As it discharges, the drying efficiency can be maximized. On the other hand, the stirring member installed in the drying cylinder 223 of the crushing unit 220 at the same time as the operation of the drying unit 210 was allowed to dry by stirring the sludge. On the other hand, the rotation direction of the stirring member for stirring may be rotated at the same time in the reverse direction to improve the drying effect. Sludge dried to a predetermined size or less in the filtering member 223 by the above operation is accumulated in the tray 203 of the drying unit 200 by falling out through the sludge discharge hole 225, and the tray 203. When a certain amount of dry crushed waste is loaded, the powdered sludge can be collected and recycled as a fertilizer or feedstock.

On the other hand, in the case of a restaurant that generates a large amount of kitchen waste or hard food waste such as bone, etc., the sludge dewatered and compressed in the first dewatered and compressed crushing unit 100 is made through the inlet pipe 401a. It is supplied to the rotating cylinder 421 of the one stirring drying unit 420. At this time, the rotary cylinder 421 is rotated to stir the sludge by the shelf 422 attached to the inner peripheral surface of the rotating cylinder 421 and at the same time operating the drying unit 410 discharge formed on the outer peripheral surface of the rotating cylinder 421 Hot air is supplied to the sludge through the ball 425. When the first stirring and drying is completed, the sludge inside the rotary cylinder 421 of the first stirring drying unit 420 is supplied to the rotary cylinder 431 of the second dry grinding unit 430 through the discharge pipe 429 At this time, by rotating the stirring and grinding pieces 432 installed in the rotary cylinder 431 and the rotary cylinder 431 of the second dry grinding unit 430, the sludge is pulverized and stirred secondarily. The sludge pulverized and dried to a predetermined size or less is discharged and loaded into the tray 403 through the discharge hole 437. On the other hand, when the hard food waste such as bone is supplied to the inlet tube 441 of the bone crushing unit 440, the crushed hemmer 443 or a pair of heme curl gear 446 is rotated to finely crush the hard waste, crushed When the completion of the opening and closing plate 444 of the discharge pipe 442 is supplied to the rotary cylinder of the second dry grinding unit 430, stirring and secondary grinding and at the same time the operation of the drying unit 410 drying and grinding It is completely dried and ground in the same operation as the unit 200.

On the other hand, the sewage of the gel or gel state discharged through the sewage discharge hole 117 of the sludge sewage separation pipe 113 installed in the compression dehydration crushing unit 110 of the first dewatering and compression unit 100 is a sewage chamber ( The sewage discharge pipe 121 of the 120 is supplied to the rotary separator 310 via the inlet pipe 301 of the second dewatering and separating unit 300, wherein the motor 315 coupled to the rotary separator 310 ) To rotate the rotary separator 310.

Therefore, the sewage in the gel or gel state supplied to the inlet pipe 301 hits the upper surface of the fixed disk 312, and the slanted surface formed on the side of the rotary separator 310 is blocked while discharged to the sewage discharge hole 313. Accordingly, the upper edge is supplied to the sludge chamber 320 through the sludge discharge hole 314 by the opening and closing plate 316 operated by the centrifugal force and the electrical signal. The sludge supplied to the sludge chamber 320 is transferred to the storage tank 340 via the sludge discharge pipe 321. The opening and closing plate 316 attached to the sludge discharge hole 314 is closed at high rotation and centrifugal force to be operated at low rotation, by coupling the solenoid 317 to the opening and closing plate 316 by an electrical signal. It may be operated, or may be operated according to the change of centrifugal force by using a spring. On the other hand, the sludge supplied to the storage tank 340 is the circulation inlet 114 of the sludge sewage separation pipe 113 installed in the first dewatering and compression dehydration unit 110 of the compression unit 100 by the operation of the pump 340. ) Is adsorbed to the food waste that is fed from the sink and is compressed by the screw 111 is dewatered and compressed again. In addition, the pure sewage is discharged to the sewage chamber 330 through the sewage discharge hole 313 formed on the bottom of the rotary separation chamber 310 by the centrifugal force according to the rotation, and the pure sewage introduced into the sewage chamber 330 is It is discharged to the outside via the sewage discharge pipe 331. Therefore, the sludge of the food waste is not discharged to the sewage discharge pipe 331 due to the effect of the second dehydration and separation, so that the sewage purification can be achieved.

As described above, the present invention can not only effectively and hygienically treat food waste generated in the kitchen, but also reduce the amount of waste generated to the minimum, and there is no fear of environmental pollution due to food waste, and light waste It can be pulverized, and food waste can be recycled as feed or fertilizer.

Claims (21)

A kitchen waste treatment apparatus for processing food waste discharged with sewage from a kitchen sink, comprising: first dehydration for dewatering and compressing food waste introduced from the sink into sewage sludge and gel or gel sewage; A grinding unit; A second dewatering and separating unit for separating the sewage in the gel or gel state supplied from the first dewatering and grinding unit into secondary sludge and sewage; Kitchen waste treatment apparatus comprising a drying unit for drying the sludge dehydrated in the first dewatering and grinding unit. The kitchen waste disposal apparatus according to claim 1, wherein the first dewatering and crushing unit is installed vertically upwardly with an input pipe directly connected to the initial waste inlet, and a sludge sewage separation pipe is installed horizontally. According to claim 1 or claim 2, characterized in that the sludge sewage separation pipe in a horizontal communication with the lower end of the first tube in the dewatering and crushing unit, the screw is attached to the motor inside the sludge sewage separation pipe Kitchen waste disposal device. The kitchen waste disposal apparatus according to claim 3, wherein a piston is provided inside the sludge sewage separation pipe. The kitchen waste disposal apparatus according to claim 4, wherein the sludge sewage separation pipe and the screw have a tapered shape in which the sludge discharge pipe is gradually narrowed. 6. The method of claim 5, wherein the pitch interval of the screw is configured to become narrower as the sludge discharge tube is closer, and the shaft is fixed to the support plate on the sludge discharge tube side at equal positions at the position close to the sludge discharge tube. Kitchen waste disposal device. The kitchen waste disposal apparatus according to claim 3, wherein the lower side of the outer circumferential surface of the sludge sewage separation pipe is formed through a plurality of sewage discharge holes, and a circulation inlet is provided on the upper side of the outer circumferential surface. According to claim 2, wherein the support ribs are installed on the inner circumferential surface of the inlet pipe, and the operation plate is attached to the support ribs, the operation plate is attached to the spring, characterized in that the foreign material input preventing portion configured to elastically install the operation plate. Kitchen waste disposal device. According to claim 1, wherein the drying unit is installed in the inlet pipe communicating with the sludge discharge pipe formed in the compression dewatering portion of the first dewatering and crushing unit, to form an air discharge pipe on one side of the lower side of the air discharge pipe blowing waste Kitchen waste disposal apparatus, characterized in that configured to install a tray formed in the bottom for preventing the bottom. The kitchen waste disposal apparatus according to claim 1, wherein a heater is provided at an upper portion of the casing of the drying unit, and a deodorization sanitary means and an exhaust fan are installed at the air discharge pipe. The electric control circuit according to claim 1, wherein the drying unit is provided with a rotating body (stirring member) directly below the inflow pipe, and is provided with a semi-cylindrical shape so that the catching member having a plurality of dropping holes is detachable. Kitchen waste disposal apparatus, characterized in that configured to alternately by stirring with a motor. According to claim 1, wherein the drying unit is provided with an inlet pipe in communication with the sludge discharge pipe formed in the first dewatering and compression dewatering of the crushing unit, and another inlet pipe through which hard food waste, such as bone is introduced, the lower one side And a drying and pulverizing unit in which an air discharge pipe is formed in the tray, and a tray having holes formed in the side wall of the air discharge pipe side is installed. The dryer of claim 12, wherein the drying and crushing unit has an inlet port communicating with the inlet tube on an upper side thereof, and installs an inlet cylinder coupled to an outlet tube on the lower side thereof, and inserts one end of the rotating cylinder into both sides of the inlet cylinder. However, kitchen waste disposal apparatus, characterized in that configured to attach a plurality of shelves in the longitudinal direction inclined to the inner surface of the rotating cylinder. According to any one of claims 1 or 11 and 12, the lower discharge pipe of the drying unit is provided with an opening and closing plate coupled to the solenoid, the inlet cylinder is installed in communication with the lower end of the discharge pipe, both sides of the inlet cylinder Inserting one end of the rotating cylinder, the kitchen waste disposal apparatus, characterized in that configured by installing a stirring grinding piece connected to the motor in the rotating cylinder. According to claim 2, wherein the second dewatering and separating portion is in communication with the inlet pipe, the inner surface is installed inclined downward sludge sewage separation chamber, the fixed disc corresponding to the inlet pipe in the center of the sludge sewage separation chamber is installed And, kitchen waste disposal apparatus characterized in that configured by combining the motor with the sludge sewage separation chamber and the stationary disk. According to claim 15, The sludge sewage separation chamber to form a sewage discharge hole on one side of the bottom surface, and a sludge discharge hole formed on the upper edge, the opening and closing plate operated by the centrifugal force and the electric device on the upper surface of the sludge discharge hole Installed, the kitchen waste disposal apparatus, characterized in that configured by coupling the solenoid to the opening and closing plate. The method of claim 15, wherein the second dewatering and separating unit is installed in the storage tank connected to the sludge discharge pipe in communication with the sludge chamber, the pump is installed in the storage tank and the circulation formed in the sludge sewage separation pipe of the first dewatering and grinding unit Kitchen waste disposal apparatus, characterized in that configured in communication with the inlet. The kitchen waste disposal apparatus according to claim 1, wherein the first dewatering and grinding unit includes a grinding piece and a grinding blade. The kitchen waste disposal apparatus according to claim 18, wherein the crushed pieces are rotatably installed by being pivotally coupled to a rotating disc. 19. The kitchen waste disposal apparatus according to claim 18, wherein at least one grinding blade is installed. 19. The kitchen waste disposal apparatus according to claim 18, further comprising a sludge removal plate behind the grinding blade of the first dewatering and crushing unit.