JPH0735320A - Incinerator with steam energy extraction function - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an incinerator with a function of extracting steam energy with high combustion performance. [Structure] In the combustion chamber (4), the hearth (11) is arranged in the furnace so as to incline slightly downward. In the hearth (11) of the combustion chamber (4), a combustion product extruding tool (13) is arranged so as to be movable back and forth along the upper surface of the hearth (11). An air supply hole (16) is opened on the upper surface of the hearth (11) to supply combustion air from the hearth (11) to the combustion chamber (4), and the side wall (4a) and ceiling of the combustion chamber (4). Combustion air was also blown from the wall (4b).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incinerator with a steam extraction function, which is small in size, light in weight, and inexpensive to implement.
The present invention relates to an incinerator having high incineration efficiency.

[0002]

2. Description of the Related Art Generally, incinerators for treating synthetic resins and other wastes in factories and the like are widely used in order to effectively utilize the incineration heat of the incinerators. , In this case, it is difficult to take out as vapor. Therefore, the applicant has previously proposed that the chamber wall of the combustion chamber in the incinerator is composed of a water riser pipe, and the heat of combustion is directly applied to the water in the water riser pipe to take out steam (Actual Kosho) 60-42254, Jitsuko Sho 60-42
255).

[0003]

However, in the conventional incinerator with a steam take-out function, the secondary combustion chamber is formed continuously in the rear part of the primary combustion chamber in a rearward climbing inclined shape. A waste input port was formed on the rear end surface of the secondary combustion chamber, and the waste input from the input port was preheated while sliding down the slanted hearth of the secondary combustion chamber to generate combustible gas and was supplied into the combustion chamber. Although it is mixed with combustion air and burned, in this case, since the waste material slides down, the relative posture does not change, and the same combustion surface is always exposed in the combustion chamber. As a result, if the waste is a heat-melting material such as synthetic resin, the surface is covered with a resin film, and there is a problem that the flammability is reduced. The present invention is
The present invention has been made in view of these points, and an object thereof is to provide an incinerator with a steam extraction function having high combustion performance.

[0004]

In order to achieve the above-mentioned object, the present invention arranges each hearth in the furnace in the furnace so as to slightly incline to the back and also to form the hearth of the combustion chamber. A combustor extruding tool is arranged so as to be movable back and forth along the upper surface of the hearth, and an air supply hole is opened in the upper surface of the hearth to supply combustion air from the hearth to the combustion chamber and the ceiling of the combustion chamber. It is characterized in that the combustion air is blown also from the wall and the side wall.

[0005]

According to the present invention, the hearths are arranged in the combustion chamber so that the hearths of the furnaces are slightly inclined downward, and the combustor extruding tool is moved back and forth along the upper surface of the hearth of the combustion chamber. It is arranged so that the air supply hole is opened on the upper surface of the hearth to supply the combustion air from the hearth to the combustion chamber, and the combustion air is also blown from the ceiling wall and the side wall of the combustion chamber. Since it is possible to roll the waste by pushing out the input waste with a combustor extruding tool, it is possible to expose a new combustion surface inside the combustion chamber and to discard it when the waste is rolling. Since it is possible to disintegrate things and to supply sufficient combustion air from the wall surface of the combustion chamber, it is possible to improve combustion efficiency.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an embodiment of the present invention, FIG. 1 is a schematic configuration diagram, FIG. 2 is a sectional view taken along line II--II of FIG. 1, and FIG. This incinerator is the furnace body
Dividing pipe formed with a large diameter pipe in a closed loop at the bottom of (1) (2)
However, a confluence pipe (3) formed of a large-diameter pipe in a closed loop shape is attached to the upper part, and the diversion pipe (2) and the confluence pipe (3) constitute a riser pipe (which constitutes the left and right chamber walls of the combustion chamber (4) ( Connected in 5). The cooling water is supplied to the diversion pipe (2), reaches the merging pipe (3) while being heated in the water rising pipe (5), and the steam is taken out from the steam extraction pipe (6 ) Is introduced into the steam-water separator (7), and the steam separated in the steam-water separator (7) is condensed water generated in the steam-water separator (7) from the steam outlet (8). Is returned from the return pipe (not shown) to the distribution pipe (2). Also, a confluence pipe
The warm water in (3) is configured to circulate from the downcomer pipe (not shown) that connects the diversion pipe (2) and the confluence pipe (3) to the diversion pipe (2) at the four corners.

As shown in FIG. 2, a large number of riser pipes (5) rising from the left and right diversion pipes (2) are inclined like a roof to reach the center, and then rise up integrally from there. , Is again inclined to the left and right and is connected to the left and right portions of the confluence pipe (3). Thus, the side wall (4a) and the ceiling wall (4b) of the combustion chamber (4) are formed by the water rising pipe (5). Also, a confluence pipe
Steel side plates (9) are vertically attached to the side walls (4a) from the left and right parts of (3).
As a result, a trapezoidal combustion exhaust gas passage (10) with a transverse cross section is formed on the left and right above the combustion chamber (4) by attaching it to the riser pipe (5) and the side plate.
(9) and are formed.

On the other hand, the hearth (11) of the furnace body (1) is
(1) It is composed of an inclined surface that is inclined downward from the waste input port (12) formed on the rear surface, and the middle part is formed in a stepped shape, and the burned material is formed in the stepped part. Extruder (1
3) is arranged. This combustion product extruding tool (13) has an input port (12).
It is configured so that it can be moved back and forth along the upper surface of the lower hearth (11) located on the back side.

Air chambers (14) are arranged below the hearth (11), and a combustion air supply pipe (15) derived from the air chambers (14) is attached to the upper surface of each hearth (11). It communicates with the combustion air supply hole (16) which is open to the. Further, a combustion air jet pipe (16) is arranged between the pipes at the outer side of the riser pipe (5) forming the side wall (4a) and the ceiling wall (4b) of the combustion chamber,
An air jet nozzle (18) projects from the combustion air jet pipe (17) toward the inside of the combustion chamber (4). The lower end of the combustion air jet pipe (17) communicates with the second air chambers (19) arranged on both sides of the air chamber (14) below the hearth (11). Therefore, in the combustion chamber (4), combustion air is jetted and supplied from the combustion air supply hole (16) opening to the hearth (11) and the combustion air jet nozzle (18) opening to the furnace wall. Will be done.

A lower ash discharge conveyor (not shown) is provided at the lower part of the lower hearth (11) of the combustion chamber (4) with a downward opening. It is set up. In addition,
Instead of this conveyor, an ash container may be arranged.

In the incinerator thus constructed, the hearth (11)
Is formed in a step-down shape with a slightly downward slope, and
Since the combustion product push-out tool (13) is configured to extend and retract along the upper surface of the lower-stage hearth (11) located on the far side from the charging port (12), the upper-stage hearth (11) When the upper deposit falls, it will be crushed and a new combustion surface will be exposed in the combustion chamber (4). Also, in the lower hearth (11), the deposit will be combusted by the combustor extruding tool (13).
Since the deposit will be inverted when being pushed out by, a new combustion surface is exposed in the combustion chamber (4), and combustion is ensured. Moreover, since the combustion air is blown from the hearth (11) together with the side chamber wall (4a) and the upper chamber wall (4b), the combustion air is supplied to the inside of the accumulated combustion products, Will be surely burned.

[0012]

According to the present invention, the respective hearths are arranged in the furnace in the combustion chamber such that the hearths are slightly inclined downward, and the combustor extruding tool is provided in the hearth of the combustion chamber along the upper surface of the hearth. It is arranged so that it can move back and forth, and an air supply hole is opened in the upper surface of the hearth to supply combustion air from the hearth to the combustion chamber, and also to inject combustion air from the ceiling wall and side walls of the combustion chamber. Therefore, by pushing out the input waste with a combustor extruding tool, it is possible to roll the waste and expose a new combustion surface inside the combustion chamber. It is possible to disintegrate, and sufficient combustion air can be supplied into the combustion chamber, so that combustion efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a hearth stair incinerator.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a cross-sectional view of a main part of a combustion chamber wall portion taken out.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Furnace main body, 2 ... Distribution pipe, 3 ... Confluence pipe, 4 ... Combustion chamber, 4
a ... Side wall of the combustion chamber, 4b ... Ceiling wall of the combustion chamber, 5 ... Water rising pipe, 11 ... Combustion chamber hearth, 13 ... Combustion product extruding tool, 16 ... Air supply hole.

Claims (1)

[Claims] 1. A confluence pipe (3) arranged on the upper part of the furnace body (1).
And the flow dividing pipe (2) arranged at the lower part of the furnace body (1) are connected by a number of riser pipes (5), and the riser pipes (5) constitute the side wall of the combustion chamber (4), and the confluence pipe (3) In the incinerator with a steam energy extraction function configured to allow the extraction of steam from the), the hearth (11) is arranged in the combustion chamber (4) so that the furnace floor (11) is slightly inclined downward and Combustion material extruding tool (13) is arranged in the hearth (11) of 4) so as to be movable back and forth along the upper surface of the hearth (11), and an air supply hole (16) is opened on the upper surface of the hearth (11). Then, the combustion air is supplied from the hearth (11) into the combustion chamber (4), and the combustion air is also blown from the side wall (4a) and the ceiling wall (4b) of the combustion chamber (4). An incinerator with the function of extracting steam energy.