JPH09287715A - Incinerator for refuse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an incinerator for refuse, capable of completely burning refuse produced from home and offices. SOLUTION: A main body box 2 and a chimney 8 are provided. Secondary combustion means 9, 10 are provided beneath the chimney 8, and, further, cover bodies 20A, 20B, etc., are provided on the outer surface of the main body box 2. When refuse 13 is burned inside the main body box 2, an ascending air stream directing toward the chimney 8 is produced, and, according to this ascending air stream, fresh external air is actively introduced inside the cover bodies 20A, 20B, etc., through a lower opening 21 and further introduced into the main body box 2 through openings 23, etc., to be blown to the secondary combustion means 9, 10. As a result, smoke directing toward the chimney 8 is completely burned. Furthermore, with the aid of the external air ascending through the inside of the cover bodies 20A, 20B, etc., and being discharged to the external side through an upper opening 22, the cover bodies 20A, 20B, etc., are prevented from being excessively heated, so that safety can be maintained relative to a fire.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incinerator for refuse discharged from homes, offices and the like.

[0002]

2. Description of the Related Art Generally, an incinerator for refuse discharged from homes and offices comprises a main body box and a chimney standing upright on the main body box. Is placed and incinerated.

[0003]

However, the above-described conventional refuse incinerator is difficult to completely burn the refuse and thus easily emits smoke, which makes it difficult to use, especially in densely packed houses or offices. Further, when dust is burned inside the main body box, the main body box is excessively heated, and there is a problem that touching it may cause burns or a fire. In addition, paper is easy to incinerate, but it is not suitable for incinerating food waste that contains a large amount of water that is generated in large quantities in kitchen sinks every day, so each household is in a difficult situation to dispose of food waste. It was

Therefore, it is a first object of the present invention to provide a refuse incinerator capable of completely burning the refuse without producing smoke. A second object is to provide a refuse incinerator capable of eliminating excessive heating of the main body box. A third object is to provide a refuse incinerator suitable for incinerating food waste discharged from homes and offices.

[0005]

To this end, the present invention provides a main body box, a chimney standing upright on the main body box, secondary combustion means provided under the chimney, and the main body box. By composing a refuse incinerator from a cover body that covers the outer surface of, and an opening portion that is opened in the wall surface of the main body box that is covered with the cover body, and burn the dust inside the main body box. The generated high-temperature exhaust gas rises toward the chimney by an ascending airflow to introduce outside air into the cover body from the lower opening of the cover body, and part of the introduced outside air is the opening portion. From the inside to the inside of the main body box 2 to be supplied to the secondary combustion means, and a part of the outside air introduced into the inside of the cover body is blown out from the upper opening of the cover body to the outside. Cold body It was way.

[0006]

According to the above construction, the smoke from the body box to the chimney can be secondarily burned by the secondary burning means. Moreover, in this case, the fresh air of the outside is introduced into the inside of the cover body by the ascending flow of the high-temperature exhaust gas generated inside the body box by burning the dust, and further introduced into the inside of the body box through the opening. Since the smoke is completely supplied to the secondary combustion means, the smoke can be completely burned and released to the outside as a harmless gas.

Further, a part of the external air introduced into the cover body through the lower opening portion of the cover body is discharged to the outside through the upper opening portion without being introduced into the main body box. The flow of air cools the cover body and prevents the cover body from being overheated.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 is a front view of a refuse incinerator, FIG. 2 is a perspective view with the cover body separated, FIGS. 3 and 4 are the same sectional view, FIG. 5 is the same plane sectional view, and FIG. is there. 1 and 2, the refuse incinerator 1 mainly includes a box-shaped main body box 2. An opening / closing door 3 is provided on the front surface of the main body box 2. The main body box 2 is provided on a base portion 5, and an ash takeout door 6 is provided on the base portion 5 so as to be openable and closable.

A roof 7 is detachably mounted on the main body box 2. Reference numeral 8 denotes a chimney which is erected on the roof 7. The main body box 2 of the present embodiment is made of an iron plate, and the roof portion 7 is made of concrete.

In FIGS. 3 and 4, a secondary combustion plate 10 is provided below the chimney 8. This secondary combustion plate 1
Reference numeral 0 denotes a stainless perforated plate, and as shown in FIG. 4, a plurality of (two) plates are arranged in an inclined posture. A secondary combustion cylinder 9 is connected to the lower end of the chimney 8, and a large number of holes 9a are formed in the body surface thereof. In each figure, arrows indicate the flow of air and exhaust gas.

In FIG. 4, the exhaust gas passes through the secondary combustion plate 10 as shown by the arrow a, is secondarily combusted, and is introduced into the stack 8 as harmless gas. However, some of the exhaust gas does not pass through the secondary combustion plate 10 as shown by the arrow b. Such exhaust gas is introduced into the secondary combustion cylinder 9 through the hole 9a, completely burns inside the secondary combustion cylinder 9, becomes harmless gas, and is discharged from the chimney 8 to the outside. Of course,
The secondary combustion means is not limited to the secondary combustion plate 10 and the secondary combustion cylinder 9 of this embodiment.

3 and 4, the main body box 2
A pin 11 is provided on the inner surface of the lower part of the
A first screen composed of a large number of bars 12 is mounted on the first screen. A flammable dust 13 such as paper is placed on the first screen. As shown in FIG.
The bars 12 are alternately provided with a height difference. If the bar 12 is provided with a height difference in this way, as shown in FIG. 3, dust 13 such as documents and laminated paper such as newsprint is collected.
When the paper is put on the bar 12, the paper comes loose and becomes easy to burn.

On the inner surface of the upper portion of the main body box 2, a pin 14 as a mounting portion is projected. A second screen consisting of a bar 15 is placed on this pin 14. A dehydrator 30 for garbage (described later) is provided on the bar 15.
Is placed.

In FIG. 2, cover bodies 20A, 20 having a U-shaped cross section are provided on both side surfaces and a back surface of the main body box 2.
B and 20C are installed. Cover bodies 20A, 20B, 2
With the 0C attached, both side surfaces and the back surface of the main body box 2 are covered with the cover bodies 20A, 20B, 20C, the lower portion thereof serves as the lower opening portion 21, and the upper portion thereof serves as the upper opening portion 2
2 (see FIGS. 3 and 4). This cover body 20A,
20B and 20C are made of iron plates.

As shown in FIG. 2, a plurality of opening portions 23 are formed in the upper portions of both side surfaces of the main body box 2. In addition, a plurality of openings 24 are also formed in the upper part of the back surface. On both sides and the back of the main body box 2,
Cover plates 25 and 26 are mounted so as to surround the upper sides and both sides of the opening portions 23 and 24. An upward nozzle 27 is attached to the inside of the main body box 2 of each opening 23, 24 (see also FIGS. 3, 4, and 5).

FIG. 7 is an exploded perspective view of the dehydrator for garbage, and FIG.
FIG. 3 is a side sectional view of the same in use. The dehydrator 30 includes an upper press member 31 and a lower press member 32. The upper press member 31 has a box shape, and the grip portion 3 is provided at one end thereof.
3 is projected, and a key-shaped pin 34 serving as a hinge is projected at the other end. Lower press member 32
It is also box-shaped and has a large number of holes 35. A grip portion 36 is projectingly provided at one end portion thereof, and a pin receiver 37 is projectingly provided at the other end portion thereof.

Next, the method of use will be described. First, the kitchen waste is stored in the upper press member 31. Then, it is carried out together with the lower press member 32 to a place where an outdoor refuse combustion furnace 1 is installed. Therefore, the upper press member 31 is turned upside down and the food waste is transferred to the lower press member 32.
Next, as shown in FIG. 8, the pin 34 is detachably engaged with the pin receiver 37, and the grip portions 33 and 36 are firmly gripped by the hand. Then, the garbage 38 is strongly pressed and dehydrated by the upper press member 31 and the lower press member 32, and the water 39 is discharged from the hole 35.

The refuse incinerator 1 is constructed as described above, and its handling method will be described below. As shown in FIG. 3, the opening / closing door 3 is opened to put the dust 13 on the bar 12 constituting the first screen, and the garbage 38
The dehydrator 30 with the sandwiched between is placed on the bar 15 constituting the second screen. The dehydrator 30 is the dehydrated raw garbage 38 described with reference to FIG. Next, the dust 13 is ignited to burn the dust 13. Then, the flame heats the dehydrated food waste 38 sandwiched between the upper press member 31 and the lower press member 32 of the dehydrator 30 to evaporate the moisture, and finally the food waste 38 is burned.

3 and 4, when the garbage 13 and the garbage 38 are burned inside the main body box 2,
The hot exhaust gas rises as an ascending air current toward the upper chimney 8. Due to this rising airflow, the cover body 20
Fresh outside air is introduced into the inside of the cover bodies 20A, 20B, 20C from the lower openings 21 of the A, 20B, 20C (arrow c). Then, a part of the introduced air is introduced into the main body box 2 through the openings 23 and 24 as shown by the arrow d, and blows up from the nozzle 27 toward the chimney 8. Therefore, fresh air is supplied to the vicinity of the secondary combustion plate 10 and the secondary combustion cylinder 9, and the exhaust gas is completely combusted in the secondary combustion plate 10 and the secondary combustion cylinder 9 to become a harmless gas. It is sucked into the chimney 8 and discharged from the upper part of the chimney 8 to the outside.

Now, referring to FIG. 6, cover bodies 20A, 2
A part of the air introduced into the inside of the cover bodies 20A and 20B from the lower opening 21 of 0B rises on both sides of the cover plate 25 and is discharged to the outside from the upper opening 22 (arrow e). Due to this air flow, the cover bodies 20A, 20B
Is cooled, and the cover bodies 20A and 20B are not excessively heated. Of course, the air that rises in the cover bodies 20A and 20B toward the opening 24 also causes the cover body 20
A and 20B are cooled. The cover plate 25 makes it easy for a part of the air introduced into the inside of the cover bodies 20A and 20B to be introduced into the opening 23, and a part of the air is indicated by an arrow e.
Guide the upward flow as shown in.

The same applies to the rear cover 20C,
A part of the air introduced from the outside is introduced into the main body box 2 through the hole 24, and a part of the air is released outside through the upper opening 22. The present invention is not limited to the above-described embodiment, and for example, the number of opening portions to be opened in the main body box 2 and the opening positions can be freely designed.

[0022]

As described above, according to the present invention, the smoke from the main body box 2 toward the chimney 8 is discharged to the secondary combustion means 9,
Second combustion can be performed by 10. Moreover, in this case, the fresh air outside is positively introduced into the main body box 2 by the rising airflow generated in the main body box 2 by burning the dust, and the secondary combustion means 9, 10
Thus, the smoke can be completely burned and released to the outside world as a harmless gas. Further, the air introduced into the cover bodies 20A, 20B, 20C causes the cover bodies 20A, 20B, 20C to
The cover body 2 to prevent it from being overheated.
There is no risk of burns when touching 0A, 20B, 20C, and a sense of security against fire can be obtained.

[Brief description of drawings]

[Figure 1] Front view of a garbage incinerator

FIG. 2 is a perspective view showing a state where a cover body of a refuse incinerator is separated.

[Fig. 3] Cross-sectional view of a refuse incinerator

[Fig. 4] Cross-sectional view of a refuse incinerator

[Fig. 5] Flat sectional view of a refuse incinerator

[Figure 6] Side view of a refuse incinerator

FIG. 7 is an exploded perspective view of a food waste dehydrator.

FIG. 8 is a side sectional view of the garbage dehydrator.

[Explanation of symbols] 1 refuse incinerator 2 body box 7 roof 8 chimney 9 secondary combustion cylinder 10 secondary combustion plate 12 first screen (bar) 13 garbage 14 pins 15 second screen (bar) 20A, 20B , 20C cover body 21 lower opening portion 22 upper opening portion 23, 24 opening portion 25, 26 cover plate 27 nozzle 30 food waste dehydrator

Claims (1)

[Claims] 1. A main body box, a chimney erected on an upper part of the main body box, and 2 provided on a lower part of the chimney.
A secondary combustion unit, a cover body that covers the outside of the main body box, and an opening portion that is opened in the wall surface of the main body box that is covered with the cover body, and burns dust inside the main body box. The high temperature exhaust gas generated thereby rises toward the chimney by an ascending airflow to introduce outside air into the cover body through the lower opening of the cover body and partially open the introduced outside air. It is introduced into the inside of the main body box 2 through the hole and supplied to the secondary combustion means,
A refuse incinerator characterized in that the cover body is cooled by blowing out a part of the outside air introduced into the cover body from the upper opening of the cover body to the outside.