KR0185121B1 - Dry dehydrating apparatus for food waste disposal truck - Google Patents

Abstract

The present invention relates to a heating and drying apparatus of a vehicle for treating food waste, and more particularly, to collect, transport, dehydrate, grind and dry food waste using a hydraulic device and an electric device driven by an auxiliary engine 40 provided in a vehicle. A series of food waste treatment apparatuses are installed in the vehicle frame 9, and a dehydration apparatus 10 for compressing and dehydrating the food waste while conveying the food waste, and the food waste conveyed from the transport dehydration apparatus 10 are crushed rolls ( 24) is composed of a pulverizing device 21 for finely pulverizing and a heating and drying device (30) for heating and drying while containing the food waste transported from the crushing device (10) to rotate, The waste is collected and recycled as livestock feed or dried during transport to an incineration or landfill site for incineration or landfill. To reduce the energy cost and time it takes to re-processed by the feed treatment, or reducing and then buried in a landfill leachate discharged to a so as to prevent the pollution caused by the leachate.

Description

Dry Dehydrating Apparatus For Food Waste Disposal Truck

The present invention relates to a heating and drying apparatus of a vehicle for processing food waste, and in particular, during the collection and transport of food waste to a treatment plant, the food waste is dehydrated and dried to be recycled as livestock feed or landfilled or incinerated. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry dehydration apparatus for heating food waste by drying food waste by treating food waste in a vehicle that can be treated in a removed state.

Currently, a large amount of food waste discharged from homes or restaurants is landfilled or incinerated at landfills or incinerators, or recycled as animal feed.

However, the food waste contains a large amount of water, and the landfill after discharged from the landfill discharges leachate, causing pollution problems such as odor, and when incinerated, the waste is incompletely burned by the moisture of the food waste to release smoke. There is a problem that takes a lot of energy to completely burn the.

In addition, since the food waste contains a large amount of water, there is a problem in that it takes a lot of energy and time to recycle the food waste into livestock feed by fermenting the food waste.

In order to solve this problem, there are many kinds of food waste treatment devices designed to reprocess wet food waste into feed or to dry it before landfilling or incineration. However, these conventional food waste treatment devices are mostly used in landfills, incinerators or feed. Most of the stationary type used by fixed installation near the public. Therefore, to transport food waste from home or restaurant, which is a waste discharge source, to the conventional food waste treatment device, a general garbage transport vehicle is used. Thus, moisture from food waste flows down the road, causing odor, and causing pollution problems. There is a situation.

Therefore, the present invention is designed to solve the above problems, by collecting the food waste to remove the water during transportation to the processing plant such as feed processing or incinerator or landfill, drying to reduce the energy and time to feed processing and at the same time food waste An object of the present invention is to provide a heating and drying apparatus for a vehicle for treating food waste, which can be disposed of without pollution.

The present invention for achieving the above object is a series of processing devices for collecting, dehydrating, crushing and drying food waste by using a hydraulic device and an electric device driven by a vehicle auxiliary engine is installed in the vehicle frame, the food waste processing apparatus For food waste processing, including a hopper for holding food waste, a transfer dehydration device for compressing and dehydrating while transporting the food waste put into the hopper and a pulverizing device for finely crushing the food waste from which the water is first removed from the transfer dehydration device In a motor vehicle, it is composed of a heating and drying device for increasing the dehydration efficiency by heating while containing the food waste transported from the crusher.

The food waste treatment vehicle of the present invention having such a configuration collects food waste discharged from a home or a restaurant, and is dried in an incinerator, a landfill, or a feed transported to a factory, and finally landfilled in a landfill, and thus pollution by leachate, etc. In the case of incineration in the incineration plant, it is possible to reduce the energy consumption for incineration without generating soot by incomplete combustion, and in particular, to reduce the energy costs and time required for recycling into feed. It is.

1 is an exterior front view of a vehicle for treating food waste in accordance with the present invention, the exterior front view of the rear door being opened;

2 is a front view showing the arrangement of the food waste treatment apparatus by removing the cover of the food waste treatment vehicle according to the present invention;

Figure 3 is an enlarged view showing the connection of the hopper and the transfer dehydration device of the food waste treatment vehicle according to the invention,

Figure 4 is a longitudinal cross-sectional view showing the transport dewatering device of the food waste treatment vehicle according to the invention in the longitudinal direction,

Figure 5a is a cross-sectional view of the crushing apparatus of the vehicle for treating food waste in accordance with the present invention,

Figure 5b is a cross-sectional view taken along the line A-A of Figure 5a,

6 is a view of a heating and drying apparatus of a food waste treatment vehicle according to the present invention, (a) is a front view of the heating and drying apparatus,

(b) is a sectional view taken along the line A-A of FIG. 6a,

(c) is a side view of the heat drying apparatus,

7 is a schematic diagram of a drive system of a food waste treatment apparatus according to the present invention.

* Explanation of symbols for main parts of the drawings

1: Hopper 2: Magnetic band

3: pedestal 4: garbage bin lifting device

5: hydraulic cylinder 6: food waste container

7: cover 8: door

9: frame 10: transfer dewatering device

11: upper cylinder 12: upper cylinder outlet

13: lower cylinder 14: lower cylinder inlet

15: transfer screw 15a: transfer unit

15b: dehydration portion 15c: pin

16: shaft 17: strainer

18: outer cylinder 19: sewage discharge outlet

20: sewage tank 21: grinding device

22: grinder inlet 23: grinding hopper

24: grinding roll 30: heat drying apparatus

31: barrel 31a: water vapor outlet

31b: food waste inlet 32: rotating shaft

33: stirring blade 34: hot water passage

35: hot water pipe 37: on-off valve

38: barrel outlet 40: auxiliary engine

41: hydraulic pump 42: hydraulic motor for feed screw

43: hydraulic motor for grinding roll 44: cylinder for door opening and closing device

45: oil tank 46: support

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

1 is a front view showing the external structure of the food waste treatment vehicle according to the present invention, Figure 2 is a front view schematically showing the structure and arrangement of the food waste treatment apparatus installed in the vehicle for food waste treatment according to the present invention. to be.

As shown in FIG. 1 and FIG. 2, the food waste treatment vehicle according to the present invention is provided with a food waste processing apparatus for collecting and drying food waste on the frame 9, and this food waste As shown in FIG. 7, the processing apparatus is driven by an auxiliary engine 40 separate from the main engine for supplying driving power to the automobile, so that the food waste during the movement of the automobile according to the present invention to the food waste treatment plant. Moisture contained in can be dried.

The food waste treatment apparatus, as shown in FIG. 2, is in communication with the hopper 1 installed at the rear end of the automobile and storing food, and the hopper 1 in the lower portion of the conical hopper 1. Transfer dehydration device 10 for transporting the food waste contained in the hopper 1 to the next step and at the same time dewatering the transported food waste first, and the dewatering and transported from the transport dehydration device (10) It consists of a crushing apparatus 21 for finely crushing food waste, and a heating and drying apparatus 30 for drying the food waste pulverized in the crushing apparatus 21 by vacuum heating.

And the rear of the vehicle according to the invention is provided with a trash can lifting device (4) is to lift the food waste bin (6) up to the hopper (1), the trash can lifting device (4) is the auxiliary engine (40) As the hydraulic cylinder 5 is operated to expand and contract, the pedestal 3 is raised and lowered to lift or lower the food waste bin 6 placed on the pedestal 3. And this lifting device 4 may be installed on the rear side of the vehicle as needed.

Meanwhile, as shown in FIG. 3, the magnetic band 2 is attached to the inner wall of the hopper 1 so as to adsorb foreign substances in the metal material contained in the food waste so as not to flow into the transfer dehydration device 10. It is.

As shown in FIG. 2, the transfer dewatering device 10 is framed by a plurality of supports 46 while being disposed to extend from the hopper 1 to the tip of the inlet 22 of the grinding device 21. It is supported on (9) and consists of a cylindrical shape as a whole.

And the transfer dewatering device 10, as shown in detail in Figure 4, the upper cylinder 11 is coupled to the lower cylinder 13 and coaxially flanged, the upper cylinder 11 is the outlet (top) 12 is formed and connected to the crusher 21, the lower cylinder 13 is formed in the lower portion 14 is in communication with the lower end of the hopper 1, while the upper cylinder ( 11) and the lower cylinder 13 is inserted into the transfer screw 15 is rotatably inserted therein, the transfer screw 15 is rotated by the hydraulic motor 42 provided at the lower end of the lower cylinder 13 The food waste introduced through the inlet (14) of the () is pushed to the upper cylinder 11, the upper end is transferred to the grinding device 21 through the outlet (12).

In this case, the conveying screw 15 has a relatively large pitch on the shaft 16 disposed in the lower cylinder 13, and a fin 15c fin is formed in a spiral shape to convey food waste. ), And a dehydration portion 15b that has a relatively small pitch on the shaft 16 disposed in the upper cylinder 11 and a pin 15c that is gradually reduced in pitch toward the top, is spirally installed to dehydrate food waste while compressing the food waste. )

In addition, a strainer 17 is installed outside the dewatering part 15b of the transfer screw 15 to discharge only the sewage generated when the food waste is compressed in the dewatering part 15b into the outer cylinder 18 and the sewage. Is stored in the outer cylinder 18 and is discharged to the sewage tank 20 installed on the outside of the dewatering portion (15b) through the sewage discharge port 19 provided in the lower portion.

Here, as another embodiment of the transfer dehydration apparatus 10, the shaft 16 on the side of the transfer part 15a of the transfer screw 15 may have a constant shaft diameter to transfer only the food waste, and the dewatering part 15b. The shaft 16 may have a tapered shape in which the shaft diameter gradually increases toward the upper end thereof, so that the inner space of the upper cylinder 11 gradually decreases toward the upper end thereof.

In addition, the upper cylinder 11 and the lower cylinder 13 and the inner strainer 17 is made of stainless steel to prevent corrosion by sewage.

The crusher 21 interconnected with the tip discharge 12 of the upper cylinder 11 crushes the food waste which has been primarily dewatered and transported in the dehydration unit 15b to a small size.

As shown in FIGS. 5A and 5B, the grinding device 21 is provided with a grinding hopper 23 under the upper end of the upper cylinder 11, and a lower portion of the grinding hopper 23. A crush roll 24 is engaged to rotate in the opposite direction to finely crush the food waste falling from the crush hopper 23.

The heating and drying device 30 is disposed below the grinding device 21 to heat food waste introduced through the inlet 31b in the grinding device 21 to dry and dehydrate the residual moisture contained in the food waste. It is meant to be given.

As shown in FIG. 6A, the heating and drying apparatus 30 has a barrel 31 fixed to the vehicle frame 9, and a rotating shaft 32 is formed inside the barrel 31. It is rotatably installed in a direction and a plurality of stirring blades 33 are attached on the rotating shaft 32 to rotate as the rotating shaft 32 rotates to stir the food waste contained in the barrel 31. .

On the other hand, as shown in Figure 6b or 6c, the rotary shaft 32 and the stirring blade 33 is provided with a hot water passage 34 in communication with each other, the hot water passage 34 is supplied hot water from the outside As the heat passes, the food waste stirred in the barrel 31 is heated to dry and dehydrate. The hot water pipe 35 communicating with the hot water passage 34 provided on the stirring blade 33 and the rotating shaft 32 is also tightly wound on the outer circumferential surface of the barrel 31 to pass the hot water passage 34. The outer peripheral surface of the barrel 31 is heated while circulating through the hot water pipe 35, and the food waste contained in the barrel 31 is doubled to increase the drying rate.

In addition, a vacuum pump (not shown) is connected to the barrel 31, and an opening / closing valve 37 is provided at an end of the inlet of the barrel 31 to seal the inlet with the on / off valve 37. When the pump (not shown) is operated, the dehydration efficiency of the inside of the barrel 31 is extracted by extracting the water vapor generated while the food waste is heated and dried inside the barrel 31 to the outside through the water vapor outlet 31a at the top of the barrel 31. It is intended to increase.

And the lower end of the barrel 31 is provided with a discharge port 38 to discharge the dried food waste.

On the other hand, the food waste treatment apparatus is to be operated by the auxiliary engine 40 provided separately from the main engine of the vehicle, the operation system is hydraulic pressure operated by the auxiliary engine 40 as shown in FIG. The pump 41 rotates the hydraulic motor 42 for the conveying screw 15 for driving the conveying screw 15 of the conveying dehydration apparatus 10 and the pulverizing roll 24 of the pulverizing apparatus 21. The hydraulic motor 43 for the crushing roll 24 and the door opening and closing device cylinder 44 for opening and closing the automobile door are interconnected and the hydraulic pump 41 is driven by the auxiliary engine 40. The oil of the tank 45 is pumped and the pressure oil is supplied to the respective motors 42 and 43 to operate the respective devices connected to the respective motors 42 and 43.

And the food waste treatment apparatus is covered with a cover (7), as shown in Figure 1 to block the rain water and the like to enter the hopper (1) and at the same time beautiful and the cover (7) The rear end of the) is provided with a door 8 that can be opened and closed.

It describes step by step the operation of the food waste treatment apparatus of the present invention configured as described above.

Input step;

The hydraulic system is operated by the driving force of the auxiliary engine 40, the cover door is opened, the food waste container 6 containing the food waste is lifted by the lifting device 4, and the food waste contained therein is introduced into the hopper 1. . And the magnetic band (2) provided on the inner wall of the hopper (1) is attached so that foreign substances, such as cutlery, etc. of the metal material included in the food waste does not flow into the transport dehydration unit.

Transfer dehydration step;

The conveying screw 15 installed inside the lower cylinder 13 rotates by the hydraulic motor 42 provided at the lower side to convey the food waste introduced through the outlet of the hopper 1 upwards, and then the conveying screw The dehydration part 15b of 15 is pressurized and dewatered to convey the food waste which is conveyed as the screw pitch is reduced, and feeds it into the grinding hopper 23 of the pulverizing device 21 through an outlet provided at the upper end. At this time, the sewage generated when the dewatering part 15b pressurizes the food waste passes through the strainer 17 surrounding the outside of the screw 15 of the dewatering part 15b, and is stored in the outer cylinder 18 and then connected to the outlet. It is discharged and stored in the sewage tank 20 through.

Grinding step;

After the dehydration in the transfer and dehydration step, the food waste transported to the grinding hopper 23 falls on the grinding roll 24 provided at the lower part of the hopper 1, and the grinding roll 24 rotates as the grinding roll 24 rotates. The cutter provided in 24) rotates to crush the food waste finely.

Drying step;

When the food waste is crushed in the crushing step, the opening / closing valve 37 provided at the bottom of the crushing apparatus 21 is opened, and the finely crushed food waste is introduced into the barrel 31 of the heating and drying apparatus 30. While stirring the food waste while the stirring blade 33 inside the barrel 31 rotates, the hot water passage 34 and the hot water pipe 35 wound outside the barrel 31 penetrate the inside of the stirring blade 33. Heat the food waste that is stirred inside the barrel 31 by passing hot water therein, and then the vacuum pump is opened in a state in which the inlet 31b is sealed off by an opening / closing valve 37 provided at the bottom of the grinding device 21. By operating the inside of the barrel 31 in a vacuum state, the residual moisture contained in the food waste inside the barrel 31 is vacuum-dehydrated to increase drying efficiency.

As described above, the vehicle for treating food waste according to the present invention includes a dehydration apparatus for compressing and dehydrating food waste, a crushing apparatus 21 for finely crushing food waste dehydrated primarily by the dehydration apparatus, and the crushing apparatus 21. A food waste processing device comprising a heating and drying device 30 for heating and vacuum-drying the food waste pulverized in the apparatus 21 is installed on the vehicle frame 9 to incinerate water-containing waste or to bury it in a landfill. By drying before or after reprocessing with feed, it prevents polluting the environment by generating leachate, etc.In case of incineration, it prevents the generation of soot and saves energy for incineration and recycles it as feed. This can reduce the energy cost and time required to do so.

In addition, each device that processes the food waste is operated by using a hydraulic device and an electric device driven by the auxiliary engine 40 provided separately from the main engine of the vehicle, so that the drying process is carried out while transporting the food waste to an incinerator or landfill. It is possible to improve the food waste disposal efficiency.

Claims (1)

Hopper (1) for storing and storing food waste, and the transfer dehydrator (10) is installed in communication with the hopper at the bottom of the hopper (1) and dehydrated by pressing while transporting the food waste in the hopper (1) to the next step (10) ) And a food waste treatment device comprising a heating and drying device 30 for removing moisture by heating and drying the food waste dehydrated primarily from the transfer dehydration device 10 is fixed on the vehicle frame 9 so as to provide food waste. In the automobile for food waste treatment to be dried before the landfill or incineration, the heating drying apparatus 30 is a barrel 31 is fixed to the vehicle frame 9, the interior of the barrel 31 The rotating shaft 32 is rotatably installed in the direction of the central axis, and a plurality of stirring blades 33 are attached to the rotating shaft 32 to rotate in the barrel 31 while rotating as the rotating shaft 32 rotates. While the food waste is to be stirred, the rotary shaft 32 and the stirring blade 33 is provided with a hot water passage 34 in communication with each other, the stirring blade 33 also on the outer peripheral surface of the barrel (31). The hot water pipe 35 communicating with the hot water passage 34 provided on the rotating shaft 32 is tightly wound so that the hot water supplied from the outside passes through the hot water passage 34 and the hot water pipe 35 and heats the heat. The heating and drying apparatus of the food waste treatment vehicle, characterized in that for drying the dehydration by heating the food waste stirred in the barrel (31).