KR101933864B1 - Food waste dewatering device - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food waste dewatering device using a hydraulic press, and more particularly, to a device for dewatering food waste by squeezing moisture contained in food waste by disposing a first compression screw and a second compression screw continuously in the housing, 2 compression guides are fixedly formed on the inlet side of the compression screw and a pressing portion is formed on the outlet side of the first compression screw so as to be movable back and forth so that the forward and backward compression cylinders are moved forward and backward, A screw hydraulic press for increasing the dewatering efficiency by pressing the food waste present between the screws and providing a buffer plate for blocking the outlet of the second compression screw at a constant pressure on the outlet side of the second compression screw, The present invention relates to a food waste dewatering apparatus.

Description

[0001] The present invention relates to a food waste dewatering device using a screw hydraulic press,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food waste dewatering device using a hydraulic press, and more particularly, to a device for dewatering food waste by squeezing moisture contained in food waste by disposing a first compression screw and a second compression screw continuously in the housing, 2 compression guides are fixedly formed on the inlet side of the compression screw and a pressing portion is formed on the outlet side of the first compression screw so as to be movable back and forth so that the forward and backward compression cylinders are moved forward and backward, A screw hydraulic press for increasing the dewatering efficiency by pressing the food waste present between the screws and providing a buffer plate for blocking the outlet of the second compression screw at a constant pressure on the outlet side of the second compression screw, The present invention relates to a food waste dewatering apparatus.

In general, food waste generated in a home or restaurant is bulky and contains a large amount of water, and is accompanied by a bad odor, which makes it difficult to dispose of food waste. In order to separate food waste, It is necessary to collect the waste in a garbage bag for a certain period of time, resulting in a bad smell due to decay of food garbage and becoming a hotbed of germs, which is a waste that can not be recycled because it is contaminated with kitchens which are to be cleaned.

On the other hand, when food waste is incinerated or landfilled without any additional treatment, there is a problem that serious environmental pollution is caused. According to the Waste Management Law, the direct landfilling of food waste generated in the whole country is prohibited. The disposal of food waste is becoming an urgent problem.

Such food garbage disposal generally includes a compression-type disposal method in which food waste is passed through a large-sized screw, and a dehydration-type disposal method in which food waste is placed in a rotary cylinder for waste disposal and water is removed by rotating the food. Type food garbage disposal apparatus is low in efficiency of water loss, has a large volume, is complicated in configuration, is expensive, and has a low energy utilization efficiency as well as a large number of faults.

* Prior art literature *

Patent Registration No. 10-1188338

In order to solve the above problems, according to the present invention, a first compression screw and a second compression screw are continuously disposed in a housing to squeeze water contained in food waste and dehydrate the water, The guide portion is formed to be fixed to the outlet side of the first compression screw so that the pressing portion is movable back and forth so that the food waste existing between the first compression screw and the second compression screw moves forward The present invention provides a food waste dewatering device using a screw hydraulic press for increasing the dewatering efficiency and improving the dewatering efficiency by providing a buffer plate for blocking the outlet of the second compression screw at a constant pressure on the outlet side of the second compression screw The purpose.

In order to achieve the above object,

A housing (1) having a feed hopper (2) for feeding food waste on its upper portion and a dewatering liquid discharge port (3) and a dewatered cake discharge port (4) formed on the bottom surface thereof;

The first dewatering case 15 has a cylindrical first dewatering case 15 and a first compression screw 11 formed inside the first dewatering case 15 and having an inner diameter enlarged toward the outlet side. (10) for dewatering the food waste into the second compression means (30) while compressing the food waste put into the input hopper (2) while rotating the food waste (11);

The second dewatering case 31 provided at the rear end of the first compression means 10 and formed in a cylindrical shape is provided with a second compression screw 33 formed so as to have an inner diameter enlarged toward the outlet side, 2 The second compression screw 33 is rotated by the rotational force of the hydraulic motor 38 to dewater the food waste having passed through the first compression means 10 while pressing the dewatered cake to remove the moisture from the dewatering cake outlet 4 A second compression means (30) for discharging the compressed air through the first compression means (30); .

According to the present invention, the food waste is dewatered by using the first compression screw and the second compression screw which are continuously installed, and the first-dehydrated food waste is squeezed by the front-back compression method using the front and rear cylinders, It is possible to obtain a dehydrated cake (water-removed food waste) in which moisture is completely removed by increasing the dehydration efficiency by supplying the dehydrated cake to the second compression screw, thereby reducing the reprocessing cost of the food waste .

1 is a sectional view showing a food waste dewatering apparatus of the present invention.
2 is a diagram illustrating a compression operation state of the present invention.
3 is a diagram illustrating an operating state of a buffer plate applied to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

According to this figure,

A housing (1) having a feed hopper (2) for feeding food waste on its upper portion and a dewatering liquid discharge port (3) and a dewatered cake discharge port (4) formed on the bottom surface thereof;

The first dewatering case 15 has a cylindrical first dewatering case 15 and a first compression screw 11 formed inside the first dewatering case 15 and having an inner diameter enlarged toward the outlet side. (10) for dewatering the food waste into the second compression means (30) while compressing the food waste put into the input hopper (2) while rotating the food waste (11);

The second dewatering case 31 provided at the rear end of the first compression means 10 and formed in a cylindrical shape is provided with a second compression screw 33 formed so as to have an inner diameter enlarged toward the outlet side, 2 The second compression screw 33 is rotated by the rotational force of the hydraulic motor 38 to dewater the food waste having passed through the first compression means 10 while pressing the dewatered cake to remove the moisture from the dewatering cake outlet 4 A second compression means (30) for discharging the compressed air through the first compression means (30); .

A guide 5 vertically installed at upper and lower ends of the housing 1;

(17) for connecting the first compression means (10) and the second compression means (30) back and forth to the guide (5);

A support connecting portion 43 connecting one side of the second compression screw 33 and the end of the first compression screw 11;

A compression cylinder 50 installed at one side of the housing 1 to be connected to one side of the first compression screw 11 and operating the first compression screw 11 and the second compression screw 33 forward / Wow;

A compression guide portion 19 fixed to one surface of the intermediate support portion 18 formed to protrude from the guide 5 so as to be positioned at the entrance side of the second compression screw 33;

A pressing portion 16 forming an inner diameter of an outlet side of the first compression screw 11; And

And the second compression means (30) pushes the food waste while compressing the food waste existing between the first compression screw and the second compression screw while the pressurization portion advances in forward and backward movement of the front and rear compression cylinders.

A buffer plate 40 is further provided on the outlet side of the second compression screw 33 to block the outlet of the second compression screw 33 with a constant pressure.

The buffer plate 40 is provided at the end of the working rod of the buffer cylinder 41 provided at one side of the housing 1,

The buffering cylinder 41 supports the buffer plate 40 at a constant pressure and is operated to retract when the pressure exceeding the set value is applied to the buffer plate 40 and return to the original position.

Reference numeral 1 denotes a housing. The housing 1 is formed into a substantially cylindrical shape or a rectangular tube shape, and a cylindrical first compression means 10 and a second compression means 30 can be installed therein. And a dewatering liquid outlet port 3 and a dewatered cake outlet port 4 are formed in the bottom surface of the housing 1. The dewatering liquid outlet port 3 and the dewatering cake outlet port 4 are formed in the bottom surface of the housing 1.

A guide 5 is provided at the upper and lower ends of the housing 1 in the horizontal direction so that the first compression screw 11 and the second compression screw 33 can be guided by the guide 5 to operate forward and backward.

A first compression means 10 for firstly squeezing and dewatering food wastes to be introduced into the input hopper 2 and a food waste having passed through the first compression means 10 are secondarily compressed in the housing 1, The second compression means 30 is provided.

The first compression means 10 has a cylindrical first dewatering case 15 installed inside the housing 1 so as to be positioned at a lower side of the loading hopper 2 and a first dewatering case 15 And a first compression screw 11 formed so as to have an inner diameter enlarged toward the outlet side (left direction in the drawing).

The first compression screw 11 is formed such that its diameter becomes larger toward the outlet side and the first screw body 12 having the screw blade 13 formed in a spiral shape on the outer circumference thereof is positioned inside the first dewatering case 15 And a first rotating shaft 14 formed at one end of the first screw body 12 is connected to a first hydraulic motor 21 provided at one side of the upper end of the housing 1 by a chain 20 And the first screw main body 12 and the first rotation shaft 14 are connected to and supported by the guide 5 by using a separate connection portion 17.

A front and rear compression cylinder 50 for moving the first compression screw 11 back and forth at predetermined intervals is provided on one side of the housing 1 and the operation end of the front and rear compression cylinders 50 is connected to the first rotation shaft 14 do.

The first dewatering case 15 uses a perforated net or a bar having a predetermined length at a predetermined interval to separate wastewater from the food wastes into the first dewatering case 15 to discharge the dewatering solution outlet 3 So that it can be discharged through.

Therefore, the food waste introduced into the input hopper 2 is transferred from the first dewatering case 15 to the outlet side by the first compression screw 11 rotated by the first hydraulic motor 21, And is primarily squeezed by the first compression screw 11 to be dewatered.

On the other hand, a second compression means 30 is provided at a rear end of the first compression means 10, and a second compression means 30 is provided at a rear end of the second compression means 10, The second dewatering case 31 is provided with a second compression screw 33 formed inside the housing 1 and having an inner diameter enlarged toward the outlet side.

The second compression screw 33 is formed in such a manner that its inner diameter gradually increases toward the outlet side and a second screw body 34 having a screw blade 35 spirally formed on the outer circumference thereof is installed inside the second dewatering case 31 And a second rotating shaft 36 provided at a rear end of the second screw main body 34 is connected to a second hydraulic motor 38 provided at one side of the upper end of the housing 1 by a chain 40, do.

At this time, a support connecting portion 43 is protruded from one side of the second screw main body 34 and a pressing portion 16 is provided to block the inner diameter of the outlet side of the first screw main body 12, The second screw body 34 is rotatably coupled to the first screw body 12 by bearing coupling the support connection 43 to the center of the first screw body 12.

The compression guide portion 19 is fixed to one surface of the intermediate support portion 18 so as to protrude from the guide 5 so as to be positioned at the entrance side of the second compression screw 33.

Therefore, the first compression screw 11 and the second compression screw 33 are simultaneously moved forward and backward by the forward and backward movement of the front and rear compression cylinders 50 at the set intervals, The compressed portion 16 formed on the outlet side of the first compression screw 11 advancing the food waste existing between the first compression screw 11 and the second compression screw 33 is compressed and pressed, The food waste to be compressed in this process is guided by the compression guide portion 19 provided on the inlet side of the second compression screw 33 and supplied to the space between the second compression screw 33 and the second dewatering case 31.

The food waste put into the second dewatering case 31 is transferred to the outlet side by the rotating second compression screw 33, and is dewatered and discharged again while being compressed again in this process.

A buffer plate 40 for closing the outlet of the second compression screw 33 at a constant pressure is further formed on the outlet side of the second compression screw 33. A buffer plate 40 (32) for guiding the discharge of the garbage to the food container

The buffer plate 40 is installed at the end of the operating rod of the buffer cylinder 41 provided at one side of the housing 1 and the buffer cylinder 41 supports the buffer plate 40 at a constant pressure, So that the food waste can be dewatered to a final pressure until the last time by closing the buffer plate 40 to the outlet side of the second compression screw 33 at a constant pressure .

1: housing, 2: feed hopper,
3: dehydrating solution outlet, 4: dehydrated cake outlet,
5: guide, 10: primary compression means,
11: first compression screw, 12: first screw body,
13: screw blade, 14: first rotating shaft,
15: first dewatering case, 16: pressing part,
17: connecting portion, 18: intermediate supporting portion,
19: compression guide portion, 20: chain
21: first hydraulic motor, 30: secondary compression means,
31: second dewatering case, 32: discharge inducing part,
33: second compression screw, 34: second screw body,
35: screw blade, 36: second rotating shaft,
37: chain, 38: second hydraulic motor,
40: buffer plate, 41: buffer cylinder,
42: sloped surface, 43: support connecting portion,
50: compression cylinder,

Claims (4)

A housing (1) having a feed hopper (2) for feeding food waste on its upper portion and a dewatering liquid discharge port (3) and a dewatered cake discharge port (4) formed on the bottom surface thereof;
The first dewatering case 15 has a cylindrical first dewatering case 15 and a first compression screw 11 formed inside the first dewatering case 15 and having an inner diameter enlarged toward the outlet side. (10) for dewatering the food waste into the second compression means (30) while compressing the food waste put into the input hopper (2) while rotating the food waste (11);
The second dewatering case 31 provided at the rear end of the first compression means 10 and formed in a cylindrical shape is provided with a second compression screw 33 formed so as to have an inner diameter enlarged toward the outlet side, 2 The second compression screw 33 is rotated by the rotational force of the hydraulic motor 38 to dewater the food waste having passed through the first compression means 10 while pressing the dewatered cake to remove the moisture from the dewatering cake outlet 4 A second compression means (30) for discharging the compressed air through the first compression means (30); Respectively,
A guide 5 horizontally installed at upper and lower ends of the housing 1;
(17) for connecting the first compression means (10) and the second compression means (30) back and forth to the guide (5);
A support connecting portion 43 connecting one side of the second compression screw 33 and the end of the first compression screw 11;
A compression cylinder 50 installed at one side of the housing 1 to be connected to one side of the first compression screw 11 and operating the first compression screw 11 and the second compression screw 33 forward / Wow;
A compression guide portion 19 fixed to one surface of the intermediate support portion 18 formed to protrude from the guide 5 so as to be positioned at the entrance side of the second compression screw 33;
A pressing portion 16 provided at the inner diameter of the outlet side of the first compression screw 11 and bearing the supporting connection portion 43 at the center thereof; And
The pressurizing portion is advanced to move the food waste to the second compression means (30) while compressing the food waste existing between the first compression screw and the second compression screw during forward and backward movement of the front and rear compression cylinders,
A buffer plate 40 is formed on the outlet side of the second compression screw 33 to block the outlet of the second compression screw 33 with a constant pressure,
The buffer plate 40 is installed at the end of the working rod of the buffer cylinder 41 provided at one side of the housing 1,
Wherein the buffer cylinder (41) supports the buffer plate (40) at a constant pressure and operates to retract when the pressure exceeding the set value is applied to the buffer plate (40) and return to the home position. Device.
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