JPH07305816A - Burner for incinerator - Google Patents

Abstract

PURPOSE:To simply and effectively conduct a reignition after a flame failure by inserting the photoreceiving part of the photoreceiver of a sensor case, in place, into a burner body, and mounting a light shielding member for generating a pseudo-flame failure signal at a photosensor. CONSTITUTION:A light shielding member 30 is formed integrally with an inserting groove 31 for preventing invasion of a light by blocking a window hole 28 when the end of a sensor case 27 is inserted. If flame failure occurs at a burner due to certain reason such as the lack of fuel, etc., a photosensor 26 is taken out of a burner body 18, the end of the case 27 is inserted into the groove 31 of the member 30 to shield the invasion of the light to a photoreceiver 29. The burner is reignited by pressing the reset button of the body 18 while outputting a pseudo-flame failure signal from the photosensor 26. Thus, the reignition after the failure can be simply and accurately conducted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burner device used in an incinerator that completely burns combustible wastes such as general garbage, plastics and urethane foam.

[0002]

2. Description of the Related Art For example, Japanese Unexamined Patent Publication No. 4-148108 discloses one in which an incinerator such as a combustible waste is put into an incinerator and a burner installed on a wall of the incinerator burns the incinerator.
It is shown in Japanese Patent Publication No.

[0003]

On the other hand, in the above burner,
A light-receiving element detects the combustion flame of the burner, and if a misfire occurs during combustion, a combustion state detection device is installed to stop the supply of fuel and give an alarm, etc. In the case of failure, the above detection device outputs a flaming signal due to the light that has entered the incinerator or the light that has entered through the observation window provided in the burner body, and the re-ignition operation can be performed even if the reset button is operated. Absent.

Therefore, as shown in FIG. 8, for example, the sensor case A incorporating the above-mentioned light receiving element is taken out from the burner body, the light receiving window B of the sensor case is covered with, for example, a hand, and a pseudo misfire signal is given to the light receiving element. After the application, the reset button is operated to perform the re-ignition operation, but there is a case that the re-ignition operation cannot be performed because light enters the light-receiving element through the finger gap or the like, and there is a problem that the operation is troublesome.

[0005]

DISCLOSURE OF THE INVENTION The present invention is mounted on a chamber wall of an incineration chamber in which an object to be incinerated is put and incinerated so as to eject a combustion flame toward the incineration chamber, and the combustion flame is placed at a proper position in the main body. In the case where a sensor case equipped with a light receiving element that detects the presence or absence of the sensor is detachably inserted, insert at least the light receiving portion of the light receiving element of the sensor case into the proper position of the burner body, and send a pseudo misfire signal to the optical sensor. The light shielding member for generating the light is mounted.

Further, according to the present invention, it is mounted on a wall of an incineration chamber for injecting and incinerating an object to be incinerated so as to eject a combustion flame toward the incineration chamber to detect the presence or absence of the combustion flame in a proper place of the main body. In the case where the optical sensor is installed, the optical sensor or the main body of the burner is equipped with a light shielding member that opens and closes the light receiving part of the optical sensor, and the optical sensor is provided with a hole in the side surface of the hollow cylindrical sensor case. The light receiving element is arranged inside the hole, and the light shielding member is constituted by a slide plate that slides on the outer surface of the sensor case to open and close the window hole.

[0007]

The burner is ignited after the material to be incinerated is placed in the incinerator, and the material to be incinerated is ignited and burned by the combustion flame of the burner.

On the other hand, when the burner fails to ignite, or when the burner misfires for some reason and reignites, the optical sensor is taken out from the burner body, and the light receiving portion of the optical sensor is inserted into the light shielding member to receive the light receiving element. After the light is blocked from entering and a pseudo misfire signal is generated in the light receiving element, a re-ignition operation such as operating the reset button of the burner body is performed.

When the light shielding member is attached to the light sensor or the burner main body, in order to perform the re-ignition operation of the burner, the light shielding member is operated to close the light receiving portion of the light sensor, and light is emitted in the same manner as above. Re-ignition operation is performed by artificially generating a misfire signal in the sensor.

When the shield member is composed of a slide plate, in order to re-ignite the burner, the slide plate is slid to close the window hole of the sensor case with the slide plate.
By performing a re-ignition operation by artificially generating a misfire signal in the optical sensor, it is possible to reliably generate a pseudo misfire signal in the optical sensor by a relatively simple operation.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described first with reference to FIG. 1. (1) is an incinerator, which stores incineration objects (2) such as various kinds of dust, plastic, rubber, etc. Primary incineration chamber (5) for incineration with the incineration burners (3) and (4) attached to the, and smoke removal burner (6) for exhaust gas generated from this primary incineration chamber
It is mainly composed of a secondary incineration chamber (7) which is made smokeless by, and an exhaust stack (8) is connected to the upper part of the secondary incineration chamber.

The primary incineration chamber (5) has an upper surface to be incinerated.
The charging port (9) for charging (2) is opened, and the charging port is opened and closed by the lid (10).

Reference numeral (11) is an exhaust blower mounted below the secondary incineration chamber (7), which is provided with a ventilation duct (12) extending into the secondary incineration chamber (7), and at the tip of this ventilation duct. The formed nozzle (13) faces the lower end of the exhaust pipe (8), and the nozzle (13)
The unburned gas generated from the primary incineration chamber (5) is guided into the secondary incineration chamber (7) by a plurality of exhaust ducts (14) (14) ... Exhaust stack after smokeless treatment by smoke burner (6)
Discharge to outside from (8).

Reference numeral (15) is a lattice-shaped rostrut mounted on the bottom surface of the primary combustion chamber (5), which can be pulled out from an ash extraction port (16) provided on the bottom side surface of the primary combustion chamber (5). In addition to being configured, a space (17) communicating with the ash extraction port (16) is formed below.

FIG. 2 shows the burner (3) (4) for incineration, which is equipped with a burner body (18) and a combustion port (20) for ejecting combustion flames (19) (19) at the tip. Mainly composed of a tube (21),
And the burner body (18) has a reset box on one side.
(22), Ignition transformer (23) on the top, damper (24) on the other side
A fuel pump electromagnetic pump (25) is mainly provided, and an optical sensor (26) as shown in FIGS. 3 and 4 is detachably attached to the upper portion of the other side surface.

Reference numeral (27) is a reset button mounted on the upper surface of the reset box (22), which is used to perform re-ignition operation by pushing when the burners (3) and (4) misfire for some reason. The fact that a misfire signal is being output from (26) is detected by an electrical circuit (not shown) in the reset box (22), the electromagnetic pump (25) is operated to supply fuel, and the igniter is activated. A series of ignition operations such as activation are performed.

The optical sensor (26) introduces the light of the combustion flames (19) (19) formed in the combustion cylinder (21) to the side surface of the tip of the hollow cylindrical sensor case (27). A light receiving element (29) is formed by forming a window hole (28) and facing the inside of the window hole with a chemical semiconductor such as CdS or a photodiode utilizing the photoconductive effect of a semiconductor PN junction. Built-in.

Reference numeral (30) is a light-shielding member made of heat-resistant resin or the like fixed on the upper surface of the burner body (18) in the vicinity of the optical sensor (26), and as shown in FIG.
When at least the tip of (27) is inserted, the window hole (28) is closed to integrally form an insertion groove (31) for preventing light from entering.

The light shielding member (30) is provided with an insertion hole (32) near the optical sensor (26) of the burner body (18) as shown in FIG. The insertion groove (33) for inserting at least the tip of the sensor case (27) to close the window hole (28) may be formed integrally with, for example, the burner case (34).

Further, as the light shielding member (30), as shown in FIG. 7, a guide member (35) is attached to the insertion portion of the sensor case (27) of the burner case (34), and a tip end is attached to the guide member. A shield part (36) for opening and closing the window hole (28) is integrally formed with the slide plate (38) having a knob (37) at the rear end, and the slide plate (38) is slidably mounted on the slide plate (38). ) Is always urged in the direction of opening the window hole (28) by the spring (39), and the knob (3
By pushing 7) against the spring (39),
The window portion (28) may be closed by the shielding portion (36).

When incinerating general incineration materials (2) such as garbage and plastics, the lid (10) of the incinerator (1) is opened and the charging port is opened as shown in FIG. From (9) Primary incinerator room
The incineration burner (3) is put into the incineration burner (2) by charging the burner (2) into the inside (5), closing the lid (10), and igniting each burner (3) (4) (6).
Burner for smoke elimination by burning and burning the incinerated material (2) by (4)
By (6), the unburned gas generated in the primary incinerator chamber (5) is burned to make it colorless and odorless, and then exhausted to the atmosphere from the exhaust stack (8).

On the other hand, when the burner (3) (4) or the like has misfired for some reason such as running out of fuel, the optical sensor (26) is taken out from the burner body (18) and the sensor case (27) is taken from the tip thereof. The reset button is inserted into the insertion groove (31) (33) of the shielding member (30) to block light from entering the light-receiving element (29) and output a false fire signal from the optical sensor (26). (2
By pressing 7), you can re-ignite the burners (3) (4).

After the burners (3) (4) are ignited, the sensor case (27) is taken out from the shielding member (30) and the light receiving element (29).
Insert the burner body (18) at a predetermined position while illuminating it.

In the embodiment shown in FIG. 7, the knob (3
While pressing 7) to slide the slide plate (38), the shielding part (36) closes the window hole (28) and artificially outputs a misfire signal from the light receiving element (29). By pressing the reset button (27) and releasing the pushing operation of the knob (37) when the burners (3) (4) etc. ignite, the re-ignition operation can be easily performed without performing the operation of taking in and out the sensor case (27). Can be done.

[0025]

According to the structure of the present invention, the light shielding member for inserting at least the light receiving portion of the light receiving element of the sensor case and artificially generating a misfire signal in the light receiving element is mounted at an appropriate position of the burner body. At the time of re-ignition operation due to misfire of the burner, the re-ignition operation can be performed by a relatively simple operation by taking out the sensor case from the burner body and inserting it into the light shielding member.

Further, according to the present invention, a light shielding member for opening and closing a light receiving portion of the light sensor is attached to the light sensor or the burner main body, or the light shielding member is slid on the outer surface of the sensor case so that the sensor case of Since it is composed of a slide plate that opens and closes the window hole facing the light receiving part of the light receiving element, the light receiving part is blocked by the light shielding member or the slide plate during the re-ignition operation, so that the light can be easily and reliably emitted. It is possible to perform a re-ignition operation by artificially outputting a misfire signal from the sensor.

[Brief description of drawings]

FIG. 1 is a side view in vertical section of an incinerator equipped with a burner device according to the invention.

FIG. 2 is a perspective view showing an embodiment of a burner device according to the present invention.

FIG. 3 is a perspective view of the same optical sensor.

FIG. 4 is a side vertical sectional view of the same optical sensor.

FIG. 5 is a side view of the same main part.

FIG. 6 is a perspective view showing another embodiment of the burner device.

FIG. 7 is a side elevational sectional view showing another embodiment of the main part of the same.

FIG. 8 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 2 Incineration object 3 Burner for incineration 4 Burner for incineration 5 Primary combustion chamber 26 Optical sensor 27 Sensor case 28 Window hole 29 Light receiving element 30 Light shielding member 38 Slide plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Manabu Maeda 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Electric Co., Ltd. (72) Masanori Eida 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Tottori Electric Machinery Co., Ltd. (72) Inventor Tadanori Yamagishi 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Electric Co., Ltd. (72) Inventor Takashi Matsuda 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Electric Co., Ltd. (72) Inventor Masami Fukumoto, Tottori Prefecture, Tottori Minamiyoshikata 3-chome 201 Tottori Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A light-receiving element that is mounted on a wall of an incinerator for injecting and incinerating a substance to be incinerated so as to eject a combustion flame toward the incineration chamber, and detects the presence or absence of the combustion flame at a proper position in the main body. In a case in which a sensor case equipped with is detachably inserted, at least a light receiving portion of a light receiving element of the sensor case is inserted into an appropriate position of the burner body, and a light shielding member for artificially generating a misfire signal in an optical sensor. Burner device for incinerator, which is equipped with 2. An optical sensor mounted on a wall of an incineration chamber for injecting and incinerating an object to be incinerated so as to eject a combustion flame toward the incineration chamber, and detecting the presence or absence of the combustion flame in a proper place of the main body. A burner device for an incinerator, characterized in that a light shielding member for opening and closing a light receiving portion of the optical sensor is attached to the optical sensor or the burner body. 3. The optical sensor is constructed by forming a window hole in a side surface of a hollow cylindrical sensor case and arranging a light receiving element inside the window hole, and the light shielding member is provided in the sensor case. The burner device for an incinerator according to claim 2, wherein the burner device comprises a slide plate that slides on the outer surface of the door to open and close the window hole.