JPH09184611A - Waste processing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent contamination of surroundings by carbonizing waste, and hence eliminate the need of a high flue, reduce the fuel cost, shorten processing time, reduce the manufacturing cost, miniaturize an apparatus, and simplify refuse processing. SOLUTION: When a vaporization combustion chamber 1 is heated with a heating burner 14, waste is vaporized and combusted to produce gas which is raised and enters a combustion chamber 18 together with waste gas. Thereupon, air from a combustion blower 24 is sucked into a waste gas rising pipe 13a from an air inflow hole 28, and the 28, and the gas from the vaporization combustion chamber 1 passing through an inside gas rising pipe 1a surrounded by the waste gas rising pipe 13a is sucked smoothly into a smokestack part 21 in the combustion chamber 18 without staying by suction force caused by the joining of the air. Both gases are completely combusted in the smokestack part 21 with the aid of fire of the combustion burner 23, and then enters the combustion chamber 18 and passes throug a catalyst 27a from an exhaust outlet 27 whereby it is deodorized and exhausted to the outside.

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 for reducing the amount of organic waste by carbonizing it without discharging exhaust such as smoke and dust.

[0002]

2. Description of the Related Art Conventionally, wastes are generally incinerated by an incinerator as a final treatment, but there are various problems in the treatment by incineration. First, as with all waste, when incinerated, smoke,
A large amount of exhaust gas such as sparks, dust, and dust is generated, and not only does the surroundings become dirty, but a high exhaust pipe is required to discharge the exhaust gas. In particular, in the treatment of garbage having a high water content, it is necessary to dry the garbage as a pretreatment for incineration because it has a large amount of water and is difficult to burn as it is, so that not only the fuel cost is increased but also the processing time is increased. In addition, when treating oily waste such as waste oil and synthetic resin, it is easy to cause black smoke and damage to the incinerator because of its high calorific value.Therefore, sprinkle water into the incinerator or throw it into the incinerator. There is a problem in that it needs to be quantitatively devised, and that not only the manufacturing cost is high due to problems in the material and structure of the incinerator, but also the device becomes large.

[0003] As described above, the conventional treatment of organic waste by incineration pollutes the surroundings, requires a high exhaust pipe, requires a high fuel cost, requires a long processing time, and increases the production cost. In addition, there are various problems such as an increase in the size of the apparatus.

[0004] To solve these problems, the present applicant has filed Japanese Patent Application No. 6-89085 (Japanese Patent Application Laid-Open No. 7-28).
No. 0236). The present invention heats the steaming chamber containing waste from outside by a heating means,
While the waste is steamed and carbonized, gas is generated and this gas rises and flows into the combustion chamber communicating with the steaming chamber, but the exhaust gas generated from the heating means in the heating chamber is provided around the steaming chamber. The heating chamber becomes an exhaust pipe, rises and flows into the combustion chamber, and both gases are burned in the combustion chamber by the thermal power of the combustion means.

[0005]

SUMMARY OF THE INVENTION The present invention is an improvement of the above-mentioned application, and provides a waste treatment apparatus capable of further improving the combustion efficiency of gas generated from a steaming chamber and a heating chamber. What you want to do.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a heating chamber provided with a steaming chamber for storing waste and heating means provided around the steaming chamber to heat the outside of the steaming chamber. In a waste treatment apparatus comprising a combustion chamber and a combustion chamber provided with a combustion means that is connected above the heating chamber and the steaming chamber and is internally burned, a chimney is provided extending from the heating chamber and the steaming chamber. At the same time, an outlet for the combustion means is provided facing the chimney. Further, it is preferable that an air inlet through which air flows in from the outside is provided upstream of the outlet of the combustion means of the chimney.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the present invention, when a steaming chamber containing wastes is heated from outside by a heating means, the wastes are steamed and carbonized, and gas is generated. While rising and flowing into the combustion chamber communicating with the chamber, the exhaust gas generated from the heating means in the heating chamber is provided surrounding the steaming chamber, the heating chamber becomes an exhaust pipe, and rises and flows into the combustion chamber. The gas from the steaming chamber flows into the chimney just before flowing into the combustion chamber, and is burned by the thermal power from the outlet of the combustion means provided facing the chimney. After that, it flows into the combustion chamber. Further, if an air inlet through which air flows in from the outside is provided upstream of the outlet of the combustion means of the chimney, the outside air flows into the chimney, and the air from the steaming chamber and the heating chamber is Since the gas can smoothly flow into the chimney without stopping, the combustion can be further promoted.

[0008]

1 is a cross-sectional front view, FIG. 2 is a cross-sectional side view, and FIG. 3 is a perspective view with a chimney removed.

A steaming chamber 1 for storing organic waste is formed in a side-by-side closed cylindrical shape, and a triangular prism-shaped stirring tool 2 is rotatably provided therein. Stirring tool 2
The shaft 3 is rotated at a low speed to stir the waste to make it finer and to generate gas. The shaft 3 is provided to protrude from one end face of the steaming chamber 1. The shaft 3 is provided with a gear 4, which is linked to a motor 6 via a chain 5. Reference numeral 7 denotes a waste input cylinder provided in communication with the upper peripheral surface of the steaming chamber 1, and a waste input port 8 of the waste input cylinder 7 is provided with an opening / closing door 9.
Reference numeral 10 denotes a carbide outlet opening on the bottom peripheral surface of the steaming chamber 1, and an opening / closing door 11 is provided.

A heating chamber 13 is provided outside the steaming chamber 1 so as to surround it. This heating chamber 13 is different from the steaming chamber 1 in that
It is formed eccentrically with a large space on the lower side and eccentric with a narrow space on the upper side, and has a closed cylindrical shape. One end face is arranged flush with one end face of the steaming chamber 1. Fixed to fishing in the air. On the other end surface of the heating chamber 13, there are provided a heating burner 14 located on the bottom side and burning toward the inside, and a cooling blower 15 blowing air into the inside. 16
Is a refractory heat insulating material provided over the entire inner wall of the heating chamber 13. The heating temperature of the steaming chamber 1 is automatically controlled by controlling the heating power of the heating burner 14 by detecting a temperature sensor (not shown) provided in the steaming chamber 1. Further, although the steaming chamber 1 and the heating chamber 13 are shown as being formed in a closed cylindrical shape, the shapes may be rectangular boxes, and the shapes are not limited.

Above the steaming chamber 1 and the heating chamber 13, there is provided a communication connecting portion 17 for connecting the steaming chamber 1 and the heating chamber 13 to a combustion chamber 18 described later. The communication connecting portion 17 serves as a chimney of the steaming chamber 1 and the heating chamber 13, and is connected to a gas riser pipe (inner pipe) 1 a communicating with the upper peripheral surface of the steaming chamber 1 and a periphery of the gas riser pipe 1 a. Exhaust gas riser 13 which is arranged so as to communicate with the heating chamber 13
a (outer tube). Reference numeral 12 denotes a refractory heat insulating material provided inside the exhaust gas riser 13a.

A combustion chamber 18 is provided at the upper part of the steaming chamber 1 and the heating chamber 13 so as to communicate with each other through a communication connecting portion 17. The combustion chamber 18 is formed in a box-shaped double structure, and the inside thereof is configured as a ventilation passage portion 20 which serves as a ventilation passage for air from a combustion blower 24 described later. This air passage 2
A fire-resistant heat insulating material 19 is laid on the inside of 0, that is, on the entire inner wall of the combustion chamber 18. A plurality of air outlets 25 are formed through the refractory heat insulating material 19 at appropriate intervals, while a plurality of air outlets 25 are communicated with the air outlets 26 to blow the inner wall of the combustion chamber 18, that is, the inside of the air passage 20. A plurality of outlets 25 are formed.

A cylindrical chimney 21 made of a refractory material is provided upright at the entrance of the combustion chamber 18 extending from the communication connecting portion 17. The chimney section 21 is formed with a semi-elliptical blowing port 22 having a partially open lower end. The blowing port 22 has a combustion burner 23 described later.
Is provided facing the air outlet 23a.

A combustion burner 23 for burning inward and a combustion blower 24 for blowing air to the air passage 20 are provided on the side of the combustion chamber 18 on the inlet side.

An exhaust port 27 opening upward is formed on the side opposite to the inlet side of the combustion chamber 18. A catalyst 27a for deodorization, such as platinum, is disposed in the exhaust port 27 so as to be freely removable. A shielding plate 28 made of a heat insulating material is provided near the exhaust port 27 so as to hang from the upper portion of the combustion chamber 18. The shielding plate 28 and the side wall of the combustion chamber 18 are connected to the exhaust port 27. It serves as a communicating chimney. The combustion burner 23 and the combustion blower 24
Are started in conjunction with each other. Although not shown, temperature sensors are provided at appropriate positions in the steaming chamber 1 and the combustion chamber 18, and the temperature of the combustion chamber 18 is detected by detecting the temperature.
The heating burner 14 and the combustion burner 23 are controlled such that the temperature does not exceed a certain temperature.

Further, an air inlet hole 28 is provided obliquely upward from the outside to the inside on the outer side of the exhaust gas riser 13a constituting the communication connection part 17, that is, on the upstream side of the chimney part 18.
Are formed. The air communication hole 28 communicates with the air passage section 20, and air is blown from the combustion blower 24.

Although not shown, the steaming chamber 1, the heating chamber 13, and the combustion chamber 18 are housed in a case.
In this case, the combustion chamber 18 is disposed horizontally, while the steaming chamber 1 and the heating chamber 13 have one end face (the face on which the carbide outlet 8 is located) higher and the other end faces (the heating burner 14 and the cooling burner 15). (The surface on which it is located). As a result, the heating power of the heating burner 14 is
Is easily heated from the bottom side, and the heating chamber 13 is easily raised to the exhaust gas riser 13a as an exhaust gas exhaust tube of the heating burner 14. Although one end surface of the heating chamber 13 where the carbide outlet 8 is located is higher, the carbide can be easily taken out by scraping out.

Next, the operation of the present invention having the above configuration will be described.

After the waste is put into the steaming chamber 1 through the waste inlet 8 and the opening and closing door 9 is sealed, the heating temperature of the steaming chamber 1 is set, and the processing time is set by setting a timer. The set temperature depends on the type of waste, but it is about 3
Set to 00 ° C to 500 ° C. Next, the stirring tool 2 is rotated, and the heating burner 14 and the combustion burner 23 are started. At this time, the combustion blower 24 is also started at the same time as the combustion burner 23 is started. As the steaming chamber 1 is heated from the outside by the heating burner 14 and the temperature rises, the waste having a high water content firstly evaporates and dries, and carbonization starts.
Gas is generated. In the case of oily waste such as waste oil and synthetic resin, a large amount of gas is generated.
The temperature of the steaming chamber 1 is controlled so that the temperature of the combustion chamber 18 does not exceed a certain temperature by controlling the heating power of the heating burner 14 by detecting the temperature sensor provided in the combustion chamber. When the generation of gas decreases, the heating temperature of the steaming chamber 1 is automatically controlled based on the set temperature of the steaming chamber 1 and is maintained at a constant temperature.

The gas generated in the steaming chamber 1 is supplied to the communication connecting portion 17.
The gas riser pipe 1a of the exhaust gas rises and flows into the chimney portion 21 in the gas combustion chamber 18, and the exhaust gas generated from the heating burner 14 flows through the heating chamber 13 as an exhaust pipe, and further the exhaust gas riser pipe 13a of the communication connection portion 17 Rise to the combustion chamber 18
Flows into the chimney 21 of FIG. At this time, the exhaust gas riser 13a
The air flow of the exhaust gas that rises and the air from the ventilation passage section 20 due to the forced air blowing from the combustion blower 24 is sucked into the exhaust gas rising pipe 13a from the air inlet hole 28, and the flow of the exhaust gas itself rises and stays. And smoothly flows into the chimney 21 in the combustion chamber 18 and passes through the inner gas riser 1a surrounded by the exhaust gas riser 13a due to the suction force of the merged exhaust gas and the air flowing from the air inlet hole 28. The gas from the steaming chamber 1 is sucked and smoothly flows into the chimney 21 in the combustion chamber 18 without stagnation.

In the chimney 21, the thermal power of the gas combustion burner 23 is blown from the inlet 22, and the gas and exhaust gas flowing into the chimney 21 are burned by this thermal power and the flame rises by swirling. Further, since the exhaust gas receives thermal power in the narrowed chimney section 21, it concentrates and efficiently burns. In addition, since this combustion is a combustion of only gas and does not include solid matter, no discharge such as sparks and dust is generated. The gas that has flowed into the chimney 21 and burned further flows into the combustion chamber 18, and unburned gas that has not been burned in the chimney 21 burns in the combustion chamber 18. Air flows in from the holes 25a and 26a and the gas is burned while being stirred, so that the gas is completely burned. Then, when the temperature of the combustion chamber 18 rises to a certain temperature, the combustion burner 23 is stopped, and the gas and the exhaust gas are burned only by the air from the ventilation holes 25a, 26a of the air shower ducts 25, 26. Then, the gas and the exhaust gas due to the combustion of the gas are supplied from the exhaust port 27 to the catalyst 27a.
It is deodorized and exhausted to the outside, but it is almost completely burned and does not emit smoke, dust, sparks, etc., so there is no inconvenience to pollute the outside or burn it. .

When the carbonization of the waste proceeds after a certain period of time, the generation of gas decreases. However, the stirring tool 2 of the rotating steaming chamber 1 promotes the generation of gas and carbonizes. Make the waste finer.

When the set time approaches, the heating burner 14 is first stopped, while the cooling blower 15 is started to cool the steaming chamber 1. Then, the gas combustion burner 23, the combustion blower 24, and the stirring tool 2 operate until the temperature of the steaming chamber 1 decreases to a certain level or less.

As described above, the waste is steamed and carbonized in the steaming chamber 1, and the generated gas and the exhaust gas from the heating burner 14 are burned in the combustion chamber 18 to discharge smoke, sparks, dust, dust, and the like. Since the fuel is completely burned without generating any matter, the surroundings are not polluted at all, and the waste is carbonized to burn only gas and exhaust gas, so that the fuel cost is reduced and the processing time is shortened.

The gas and exhaust gas are intensively burned in the narrowed chimney 21 before flowing into the combustion chamber 18, so that the gas and exhaust gas are not only prevented from diffusing into the combustion chamber 18 but also from the combustion chamber 18. Since the amount of gas and exhaust gas burned in 18 is reduced, the situation where unburned gas burns near the catalyst 27a provided in the exhaust port 27 is eliminated, and the temperature of the deodorizing material 27a becomes high. Absent. Therefore, not only is the load on the catalyst 27a reduced, but also the catalyst 27a
Can be maintained at a low temperature, so that the heating temperature can be raised to a higher temperature than in the prior art and the processing time can be shortened. Further, since the amount of gas and exhaust gas to be processed in the combustion chamber 18 decreases, the combustion chamber 18 Can be reduced in size, whereby the entire device can be further reduced in size.

The exhaust gas from the heating burner 14 flows through the heating chamber 13 as an exhaust pipe, and furthermore, the exhaust gas riser 13a
At the position, the air is sucked from the air inlet hole 28, and the flow of the exhaust gas itself rises faster and flows into the chimney portion 21 without stagnation. Since the gas from the steaming chamber 1 passing through the gas riser 1a is sucked and smoothly flows into the chimney 21 without stagnation, a high exhaust pipe for degassing is not required.

The air inlet hole 28 is provided in the exhaust gas riser 13.
a, that is, it is formed diagonally upward from the outside to the inside on the upstream side of the chimney portion 21, and external air flows in from the air inlet hole 28 along the rising flow of the exhaust gas. Is further increased, and the ascending flow of the gas is further increased, so that both gases can be smoothly flown into the chimney 21 without stopping and the combustion can be promoted.

Further, in the treatment of oily wastes such as waste oils and synthetic resins, since the gas is burned by carbonization instead of direct combustion, the temperature does not become high, so that water is sprayed into the apparatus. In addition, there is no need to quantitatively introduce the device into the device, and there is no problem in terms of material and structure, so that not only the manufacturing cost can be reduced, but also the device can be downsized.

In the above-described embodiment, the air passage hole 20 through which the air from the combustion blower 24 blows the air inflow hole 28.
Although it has been described that the air from the combustion blower 24 is forcibly flowed into the air blower 24, the present invention is not limited to this, and the air may be merely communicated with the outside without being communicated with the air passage 20. The air inflow hole 2 is provided in the exhaust gas inflow pipe 13a.
8 may be used as long as it is formed.

Although the air inlet hole 28 is formed in the outer exhaust gas riser 13a obliquely upward from the outside to the inside, it is not limited to this. It may be formed without directing to.

Further, by making it possible to attach a garbage storage bag used for a vacuum cleaner to the carbide taking-out port 10, it is possible to take out without removing the surroundings at the time of taking out.

As is apparent from the above description, according to the present invention, gas and exhaust gas are intensively burned in the narrowed chimney before flowing into the combustion chamber, and the gas and exhaust gas diffuse into the combustion chamber. Not only is prevented, but also the amount of gas and exhaust gas burned in the combustion chamber is reduced, so that the situation of burning near the catalyst provided at the exhaust port is eliminated, and as a result, the temperature of the catalyst becomes high. Since the temperature of the catalyst can be kept low without heating, the heating temperature can be increased and the processing time can be shortened, and the amount of gas and exhaust gas to be processed in the combustion chamber is reduced. The size of the chamber can be reduced, thereby further reducing the size of the entire apparatus. In the case where an air inlet through which air flows in from the outside is provided upstream of the outlet of the combustion means of the chimney, the external air flows into the chimney and the gas from the steaming chamber and the heating chamber is stopped. Since it is possible to smoothly flow into the chimney without causing the combustion, the combustion can be further promoted.

[Brief description of the drawings]

FIG. 1 is a cross-sectional front view.

FIG. 2 is a side view showing a cross section.

FIG. 3 is a perspective view showing a chimney portion removed.

[Description of References in the Drawings]

 DESCRIPTION OF SYMBOLS 1 Steaming room 1a Gas riser 13 Heating room 13a Exhaust gas riser 14 Heating burner 15 Cooling blower 17 Communicating connection part 18 Combustion chamber 20 Ventilation passage part 21 Chimney part 22 Inlet 23 Combustion burner 23a Outlet 24 Combustion blower 25 Air outlet 26 Air outlet 27 Exhaust port 27a Catalyst 28 Air inlet

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location F23G 5/16 ZAB F23G 5/16 ZABB ZABE 5/50 ZAB 5/50 ZABM ZABJ 7/06 ZAB 7 / 06 ZABB 102 102V

Claims (2)

[Claims] 1. A steaming chamber for storing waste, a heating chamber provided around the steaming chamber and provided with heating means for heating the outside of the steaming chamber, and connected to and connected above the heating chamber and the steaming chamber. In a waste treatment apparatus comprising a combustion chamber having combustion means for burning, a chimney is provided extending from the heating chamber and the steaming chamber, and an outlet of the combustion means is provided facing the inside of the chimney. A waste treatment device characterized by the above-mentioned. 2. The waste disposal apparatus according to claim 1, wherein an air inlet through which air flows in from the outside is provided upstream of the outlet of the combustion means of the chimney.