JPH11108323A - Waste disposal apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waste disposal apparatus which enables automatic and efficient disposal of wastes by compacting them. SOLUTION: This waste disposal apparatus is constituted of a dehydrating part 10 which compresses wastes fed into a dumping part 11 of wastes A to compress and separate a dehydrated cake B from a squeezed juice C, an incinerating part 20 to incinerate combustibles containing the dehydrated cake, a solid/liquid separating part 30 which separates the squeezed juice into a solid component and a gas component utilizing heat generated from the incinerating part, a condensing/filtering part 40 in which the gas component is condensed to be separated into water and a dry gas and the obtained water is filtered to obtain a harmless treated water, a deodorizing/discharging part 50 which makes the dry gas odorless to be discharged into the atmospheric air and a frame base 60 to integrate these parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste treatment apparatus, and more particularly to a relatively small waste treatment apparatus suitable for treating waste containing a large amount of water, such as manure, sludge, and garbage.

[0002]

2. Description of the Related Art Conventionally, for example, ranches, farms, pig farms,
In a poultry farm, etc., as a method of treating waste such as manure, sludge, and garbage generated in the farm, these wastes are compressed and separated into dewatered cake and juice, and the dewatered cake is incinerated. In general, a method of deodorizing and polluting a squeezed liquid by a methane fermentation treatment or an activated sludge treatment is generally adopted.

[0003] Conventionally, waste treatment equipment provided in a ranch or the like includes a dewatering device for compressing waste and separating it into a dewatered cake and a squeezed liquid, an incinerator for incinerating the obtained dewatered cake, The methane fermentation treatment device or the activated sludge treatment device that renders the squeezed liquid harmless is configured separately and separately, and the user uses these devices in appropriate combination.

[0004]

As described above, when a waste treatment facility is constructed by combining a dewatering device, an incinerator and a squeezed liquid treatment device which are separately provided separately from each other, the dewatering device can be obtained. In order to automatically transport and treat the dewatered cake and the squeezed liquid to the incinerator or the squeezed liquid processing device, respectively, the dewatering device and the incineration device are connected by a conveyor, and the dewatered cake obtained by the dewatering device is removed. Since it is automatically supplied to the incinerator, the dewatering device and the squeezed liquid processing device are connected by a pipe, and the squeezed liquid obtained by the dewatering device has to be forcedly pumped to the squeezed liquid processing device with a pump. In addition, the equipment becomes large and complicated, and a large site area is required for installation of the waste treatment equipment. If a large site area cannot be taken up for the installation of waste treatment equipment, the dewatered cake and juice must be transported manually to the incinerator or juice treatment equipment, which is a great deal of waste treatment. Labor is required. Further, conventionally, since a methane fermentation device or an activated sludge treatment device is used as a squeezed liquid treatment device, there is a problem in that, in view of this point, the equipment becomes large and the treatment efficiency of sewage is poor.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned deficiencies of the prior art, and an object of the present invention is to provide a compact waste treatment apparatus capable of automatically and efficiently treating waste. To offer.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a waste disposal apparatus for treating manure, sludge, garbage, etc., which is provided with a waste input section and is input to the input section. A dewatering unit for compressing the waste and separating it into a dewatered cake and a squeezed liquid, an incineration unit for incinerating combustibles containing the dewatered cake, and a solid content converting the squeezed liquid using heat generated by the incineration unit. A solid-gas separation unit that separates the gas into a gas and a gas; a condensation and filtration unit that condenses the gas and separates it into water and a dry gas; and filters the obtained water to obtain harmless treated water. A deodorizing smoke exhaust unit that deodorizes gas and discharges it to the atmosphere is configured. Each unit of these devices is mounted on one stand.

The incineration section comprises a combustion burner for assisting the ignition of the combustibles, a combustion belt for stirring and transporting the combustibles, and an incineration ash discharger for discharging the incineration ash outside the machine. The solid-gas separation unit, the juice evaporation drum arranged above the combustion belt, and a juice injection nozzle that sprays the juice to the juice evaporation drum,
A hood for recovering gaseous components in the squeezed liquid separated by the squeezed liquid evaporation drum, and a scraping blade for separating solids in the squeezed liquid adhered to the squeezed liquid evaporation drum and dropping them on the combustion belt And can be composed of Further, the solid-gas separation unit is configured to recover the gas separated by the squeezed liquid concentration tank and a squeezed liquid concentration tank that heats and concentrates the squeezed liquid instead of the configuration including the squeezed liquid evaporation drum and the squeezed liquid injection nozzle. And a hood to be provided.

Hereinafter, the operation of the waste disposal apparatus according to the present invention will be described with reference to the embodiment shown in FIG. 1. The waste A input to the waste input section (waste input hopper) 11 is:
Dewatered cake B and squeezed liquid C compressed by dewatering unit 10
And separated. The separated dewatered cake B is automatically put into the combustion belt 21 of the incineration unit 20 via the chute 17 and incinerated. The dewatered cake B is ignited by a combustion burner 23 disposed below the combustion belt 21, and after ignition, is continuously incinerated using solids in the dewatered cake B and the squeezed liquid C as fuel. The incinerated ash after incineration is discharged outside the machine by an incinerated ash discharger (incinerated ash discharge screw) 25. Squeezed liquid C separated by dewatering unit 10
Is collected in the squeezed liquid receiving tray 16, pumped by the pump 35, and jetted to the squeezed liquid heating drum 31 from the nozzle 34 provided at the tip of the squeezed liquid pressure feed pipe 33. The juice superheated drum 31 is heated by the combustion heat of the dewatered cake B and the like, and instantaneously evaporates the gas (water and volatiles) in the jetted juice C to deposit solids on the surface. Squeeze liquid C precipitated on the surface of the squeeze liquid heating drum 31
The solid content therein is scraped off the drum surface by the scraping blade 37, falls onto the combustion belt 21 and is incinerated. On the other hand, the gas separated by the squeezed liquid superheating drum 31 is collected by the hood 36,
At 0, it is separated into harmless treated water and gas containing volatile components. The gas containing volatile matter is introduced into the deodorizing smoke exhaust section 50, and after being deodorized, is released from the chimney 51 to the atmosphere.

As described above, the dewatering section 10 provided with the waste input hopper 11, the incineration section 20, the solid-gas separation section 30, the condensation filtration section 40, and the deodorization and smoke removal section 50 are integrated on one stand 60. Then, the dewatered cake and squeezed liquid obtained by the dewatering device are manually incinerated or sewage treated, as in the case of constructing a waste treatment facility by assembling each of the processing devices separately configured separately. Since there is no need to transport the waste to the apparatus, the labor required for waste disposal can be significantly reduced. Also, unlike in the case of constructing a waste treatment facility by assembling each of the independent treatment units, it is not necessary to connect each unit with a conveyor or the like. can do. Furthermore, since the juice obtained in the dewatering unit 10 is processed using the heat of the incineration unit 20, the processing of the juice can be performed quickly with a small amount of energy, and the efficiency of waste treatment can be improved. it can.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first example of a waste disposal apparatus according to the present invention will be described below with reference to FIGS. 1 is an overall configuration diagram of a waste treatment apparatus, FIG. 2 is a cross-sectional view of a dewatering unit during a dewatering process, FIG. 3 is a cross-sectional view of a dewatering unit when a dewatered cake is discharged, and FIG. FIG. 5 is a cross-sectional view of the incineration section viewed from the end face direction, and FIG. 5 is a flowchart showing a waste processing flow by the present apparatus.

As is apparent from FIG. 1, the waste treatment apparatus of this embodiment mainly includes a dewatering section 10, an incineration section 20, a solid-gas separation section 30, a condensation filtration section 40, and a deodorization and smoke emission section 50.
And a gantry 60 on which these units are mounted.

The dewatering section 10 includes a waste input hopper 11 and
A tubular dehydration chamber 12 to which the hopper 11 is attached;
The piston 13a is fixed to the gantry 60, and the piston 13a is
A dehydrating cylinder 13 inserted in the inside of the container, a shutter 14 disposed at an outlet end of the dehydrating chamber 12,
A shutter opening / closing cylinder 15 for opening / closing the dehydrating chamber 1
2 for receiving the juice C separated in 2
And a dewatering cake chute 17 for feeding the dewatered cake B discharged from the dewatering chamber 12 into the incineration unit 20.

At the position of the axis of the waste input hopper 11, the waste A introduced from the upper opening of the hopper 11 is disposed.
For pushing waste into the dewatering chamber 12
8 and a motor 19 for driving the screw 18 to rotate.

The dewatering chamber 12 is formed in a net shape or partially in a net shape, so that the squeezed liquid C squeezed by the dehydrating cylinder 13 and the shutter 14 can be discharged to the squeezed liquid receiving tray 16. As shown in FIGS. 2 and 3, a large number of fine through holes 14 a are also formed in a portion of the shutter 14 facing the dehydration chamber 12, and the squeezed juice C is discharged to the squeezed juice receiving tray 16. I can do it.

The incineration section 20 includes the dewatered cake chute 1
A combustion belt 21 that completely burns the dewatered cake B supplied from 7 and the solids D in the squeezed liquid C separated by the solid-gas separation unit 30 described in detail below, and a motor 22 that drives the combustion belt 21. A combustion burner 23 and a combustion air supply blower 24 disposed below the combustion belt 21; an incineration ash discharge screw 25 for discharging incineration ash of combustibles such as the dehydrated cake B to the outside; It comprises a motor 26 and an incineration ash discharge chute 27.

[0016] As shown in FIG.
As shown in FIG. 1, the end on the dewatering cake chute 17 side is disposed immediately below the dewatering cake chute 17 and the other end is positioned lower than the roller 21a, 21b. Are located in The combustion belt 21 has one of the rollers 21a or 21b.
Are reciprocally driven by a motor 22 connected to the motor, and are configured to apply vibration to the combustible material. The combustibles held on the combustion belt 21 sequentially move below the combustion belt 21 while being agitated by the vibration given by the motor 22 and the action of gravity, and are completely burned in this process. The combustion burner 23 and the combustion air supply blower 2
Numeral 4 is for assisting the ignition of the combustibles, and is not always used, but is appropriately used when the waste treatment apparatus is started or when the supply amount of the dewatered cake B is large. In a stable state after the start of the waste treatment apparatus, the dewatered cake B supplied later is used as fuel to continuously burn.

The solid-gas separation unit 30 is stored in the squeezed liquid evaporating drum 31 disposed above the combustion belt 21, a motor 32 for driving the squeezed liquid evaporating drum 31 to rotate, and the squeezed liquid receiving tray 16. A squeezed liquid supply pipe 33 that guides the squeezed liquid C to above the squeezed liquid evaporation drum 31;
A squeezed liquid injection nozzle 34 for spraying squeezed liquid C to the squeezed liquid C, a pump 35 for pumping the squeezed liquid C stored in the squeezed liquid receiving tray 16 to the squeezed liquid injection nozzle 34 via the squeezed liquid supply pipe 33, A hood 36 for recovering gaseous components in the squeezed liquid separated by the squeezed liquid evaporation drum 31, and a scraper for separating solids in the squeezed liquid adhered to the squeezed liquid evaporation drum 31 and dropping them onto the combustion belt 21 And a take-off blade 37.

The squeezed liquid evaporating drum 31 is heated by the radiant heat from the incineration unit 20. The surface temperature of the squeezed liquid evaporating drum 31 is adjusted so that the water in the squeezed liquid C is efficiently evaporated. In this case, it is necessary to always keep the temperature at 100 ° C. or higher. The surface temperature of the squeezed liquid evaporating drum 31 at the injection position of the squeezed liquid C adjusts the temperature and the injection amount of the squeezed liquid C, the supply amount of combustibles to the incinerator 20, and the rotation speed of the squeezed liquid evaporation drum 31. Is adjusted by The juice C is added to the juice evaporation drum 31 heated to a high temperature.
When water is sprayed, the water in the juice C evaporates instantaneously, and the solids in the juice C remain on the surface of the juice evaporation drum 31, whereby the solids and the gas in the juice C are separated. it can.

The condensing and filtering section 40 comprises an expansion chamber 42 in which a filtering agent 41 is stored, and a treated water discharge pipe 43 provided at the lower end of the expansion chamber 42. The expansion chamber 42 is connected to a hood 36 provided in the solid-gas separation unit 30 via a pipe 44, and expands a gas component in the squeezed liquid C collected by the hood 36, so that moisture and dry gas And separated into In addition, it is also possible to provide a collision plate in the expansion chamber 42 and to make the collision of the gas component with the collision plate to promote separation of moisture and dry gas. The filtering agent 41 filters harmful components contained in the water into harmless treated water, and a treated water discharge pipe 43 discharges the treated water to a predetermined position outside the machine.

The deodorizing smoke exhaust section 50 comprises a chimney 51 attached to the upper plate of the expansion chamber 42, and a deodorizing device 52 provided in the middle of the chimney 51. In the deodorizing device 52,
A deodorant for deodorizing the dry gas is provided.

The gantry 60 has a control panel 61 for controlling these devices in addition to the devices 10 to 50 described above.
A fuel tank 62 for storing fuel consumed by the combustion burner 23 is provided. The control panel 61 includes a start / stop and rotation speed of a motor 19 provided in the waste input hopper 11, an operation direction and an operation amount of a dehydration cylinder 13 provided in the dehydration unit 10.
0, opening and closing of the shutter opening / closing cylinder 15 provided in the incineration unit 20, starting or stopping and driving speed of the motor 22 provided in the incineration unit 20, and starting of the combustion burner 23 and the combustion air supply blower 24 also provided in the incineration unit 20. Alternatively, it controls the start or stop and rotation speed of the motor 32 provided in the solid-gas separation unit 30, and the start or stop of the pump 35 also provided in the solid-gas separation unit 30.

The operation of the waste disposal apparatus according to the embodiment will be described below with reference to FIGS.

The waste A put into the upper opening of the waste hopper 11 is fed to the dewatering chamber 12 of the dewatering section 10 by a waste pushing screw 18 rotated by a motor 19. When a predetermined amount of waste A accumulates in the dehydration chamber 12,
The dewatering cylinder 13 is extended, and the waste A is squeezed by the piston 13a and the shutter 14. As a result, waste A
Is separated into a dehydrated cake B containing almost no water and a squeezed liquid C.

The dewatered cake B is supplied to the shutter opening / closing cylinder 1
After driving the shutter 5 to open the shutter 14, the dewatering cylinder 13 is further extended to be pushed out of the dewatering chamber 12 and supplied to the combustion belt 21 of the incineration unit 20 through the dewatering cake chute 17. On the other hand, the juice C is discharged from the through holes formed in the dehydration chamber 12 and the shutter 14 and is stored in the juice receiver 16.

The dewatered cake B supplied onto the combustion belt 21 is ignited by the combustion burner 23 and the combustion air supply blower 24, and the vibration of the combustion belt 21 and the action of gravity given by driving the motor 22 to reciprocate. While being agitated, it sequentially moves below the combustion belt 21 and completely burns in the process until it reaches the lower end of the combustion belt 21. The incinerated ash of the dehydrated cake B that has been completely burned falls from the combustion belt 21 and is discharged outside the machine by an incinerated ash discharge screw 25 and an incinerated ash discharge chute 26 provided at the bottom of the machine.

The juice C stored in the juice receiver 16
Is pumped in the juice supply pipe 33 by a pump 35 provided in the solid-gas separation unit 30, and is jetted from the juice jet nozzle 34 to the juice evaporation drum 31. The juice evaporation drum 31 is heated to a high temperature by the radiant heat from the incineration unit 20, and when the juice C is sprayed, the water in the juice C is instantaneously evaporated, and the solids adhere to the surface thereof. Let it. The solid content adhering to the surface of the squeezed liquid evaporation drum 31 is:
It is scraped off by the scraping blade 37, falls onto the combustion belt 21 and is completely burned.

The combustion gas generated in the incinerator 20 and the steam generated in the squeezed liquid evaporating drum 31 are collected by the hood 36 and guided to the expansion chamber 42 provided in the condensing and filtering unit 40 through the pipe 44. As a result, moisture and steam in the combustion gas are condensed and separated into condensed water and a dry gas. The condensed water is filtered by the filtering agent 41 stored in the expansion chamber 42, and becomes harmless treated water. This treated water is discharged outside the machine through a treated water discharge pipe 43. On the other hand, the dry gas is deodorized by the deodorizing device 52 and released from the chimney 51 into the atmosphere.

Next, a second example of the waste disposal apparatus according to the present invention will be described with reference to FIG. FIG. 6 is an overall configuration diagram of the waste disposal apparatus according to this example.

As is apparent from FIG. 6, the waste disposal apparatus of the present embodiment has a
1 instead of the configuration including the squeezed liquid injection nozzle 34 and the squeezed liquid C, which is pumped from the squeezed liquid receiving tray 16 by the pump 35, and the squeezed liquid concentration that evaporates the water in the squeezed liquid C by radiant heat from the incineration unit. A tank 39 is provided. The squeezed liquid C is boiled down in the squeezed liquid concentration tank 39 and separated into a concentrated liquid containing a large amount of solids and steam. Then, similarly to the device according to the first embodiment, the steam is guided to the expansion chamber 42 provided in the condensation filtration unit 40, and is separated into condensed water and a dry gas. The condensed water is filtered by the filtering agent 41 stored in the expansion chamber 42, and becomes harmless treated water. This treated water is discharged outside the machine through a treated water discharge pipe 43. The dry gas is deodorized by the deodorizing device 52 and is released from the chimney 51 into the atmosphere.

As described above, also according to the configuration of the present example, the excrement
Waste such as sludge and garbage can be decomposed into harmless incinerated ash and treated water and odorless combustion gas.

[0031]

As described above, according to the present invention,
The waste input hopper, dewatering unit, incineration unit, deodorizing smoke exhaust unit, and condensing filtration unit are integrated on a single base, so that each independent processing unit is assembled to collect waste. There is no need to manually transport the dehydrated cake and squeezed liquid obtained in the dehydration unit to the incineration unit or the sewage treatment apparatus as in the case of constructing equipment, and the labor required for waste disposal can be significantly reduced. In addition, since it is not necessary to connect each unit with a conveyor or the like as in the case of constructing a waste disposal facility by assembling the individual disposal units configured separately and independently, it is possible to reduce the size of the waste disposal facility. Can be planned. Furthermore, since the juice obtained in the dewatering section is processed using the heat of the incineration section, the processing of the juice can be performed quickly with little energy, and the efficiency of waste treatment can be increased.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a waste disposal apparatus according to a first embodiment.

FIG. 2 is a cross-sectional view of a dehydrating unit during a dehydrating process.

FIG. 3 is a cross-sectional view of a dewatering unit when a dewatered cake is discharged.

FIG. 4 is a cross-sectional view of the incineration section as viewed from the end face direction of the combustion belt and the squeezed liquid superheating drum.

FIG. 5 is a flowchart showing a waste processing flow.

FIG. 6 is an overall configuration diagram of a waste disposal apparatus according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Dehydration part 20 Incineration part 30 Solid-gas separation part 40 Condensation filtration part 50 Deodorization smoke exhaust part 60 Stand 11 Waste input hopper 12 Dehydration chamber 13 Dehydration cylinder 13a Piston 14 Shutter 15 Shutter opening and closing cylinder 16 Squeezed liquid receiving tray 17 Dehydration cake chute 18 Waste pushing screw 19 Motor 21 Combustion belt 22 Motor 23 Combustion burner 24 Combustion air supply blower 25 Incineration ash discharge screw 26 Motor 31 Juice liquid evaporating drum 32 Motor 33 Juice liquid supply pipe 34 Juice liquid injection nozzle 35 Pump 36 Food 37 Scraping Blade 41 Filtration agent 42 Expansion chamber 43 Treated water discharge pipe 44 Piping 51 Chimney 52 Deodorizer 61 Control panel 62 Fuel tank

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI F23G 5/00 ZAB F23G 5/02 ZABB 110 B09B 3/00 303M 5/02 ZAB 5/00 ZABP

Claims (3)

[Claims] 1. A dewatering section comprising a waste input section for compressing waste input into the input section to separate the dewatered cake into a squeezed liquid and an incinerator for incinerating combustibles containing the dewatered cake. Unit, a solid-gas separation unit that separates the squeezed liquid into a solid component and a gas component by utilizing the heat generated by the incineration unit, and the gas component is condensed and separated into moisture and a dry gas, which is obtained. A waste characterized by having a condensing filtration unit for obtaining harmless treated water by filtering water, and a deodorizing smoke exhaust unit for deodorizing the dry gas and discharging it to the atmosphere, on a gantry. Processing equipment. 2. The waste treatment apparatus according to claim 1, wherein the incineration unit includes a combustion burner for assisting ignition of the combustibles, a combustion belt for stirring and transporting the combustibles, and an incineration ash. An incineration ash discharger that discharges the juice from the machine, wherein the solid-gas separation unit is arranged above the combustion belt, and a squeezed liquid evaporating drum, and a squeezed liquid that sprays the squeezed liquid to the squeezed liquid evaporating drum An injection nozzle, a hood for collecting gas in the squeezed liquid separated by the squeezed liquid evaporation drum, and a solid content in the squeezed liquid adhering to the squeezed liquid evaporation drum is peeled off and falls on the combustion belt. And a scraping blade for removing the waste. 3. The waste treatment apparatus according to claim 1, wherein the incineration unit includes a combustion burner for assisting ignition of the combustible material, a combustion belt for stirring and transporting the combustible material, and incineration ash. An incineration ash discharger that is discharged outside the machine, wherein the solid-gas separation unit is configured to extract a gas fraction separated by the squeezed liquid concentration tank disposed above the combustion belt and the squeezed liquid concentration tank. And a hood for recovery.