JPH0145524B2 - - Google Patents

Description

[Detailed Description of the Invention] This invention reduces and burns old tires, waste plastic products, etc. to generate dry distilled gas, and uses this dry distilled gas as fuel to run boilers and other incinerators (hereinafter simply referred to as incinerators). The present invention relates to improvements in combustion equipment to be operated.

As shown in Figure 1, the above-mentioned device that has been commonly used in the past has a fuel inlet 10 at the top.
and a lid 11 that seals this, and an ignition port 9 below.
It is equipped with a variable air volume blower 3 below it, and the exhaust port of the dry distillation can 1, which has a roistle 2 arranged inside, and the crater 8A of the incinerator 8 are connected by a flue 5, A nozzle 6A was disposed in a burner section 6 functioning as a burner at the tip of the flue extending into the crater 8A of the incinerator 8, and an auxiliary burner 7 was disposed in front of the nozzle 6A.

In order to operate the incinerator with this device,
First, open the lid 11 of the dry distillation can 1, put fuel such as an old tire into the dry distillation can 1 from the fuel input port 10, ignite it from the ignition port 9, close the lid 11, and supply fuel from the variable air volume blower 3. The dry distilled gas is sent to the nozzle 6A, which has been previously heated with the auxiliary burner 7 until the dry distilled gas is ignited, and the dry distilled gas sent there is heated. At the same time, when the dry distilled gas passes through the nozzle 6A, it is ignited and burned, and the nozzle 6
The incinerator is operated by ejecting combustion flame from A toward the crater 8A of the incinerator 8. Then, after a while, the auxiliary burner 7
However, at this time, the nozzle 6A' arranged in the burner section 6 is sufficiently heated, so from now on, the dry distilled gas passing through the nozzle 6A of the burner section 6 is transferred to the nozzle 6A of the burner section 6. It will burn when passing through.

However, when using the conventional method, unless the temperature of the nozzle 6A arranged in the burner part 6 is raised to 700°C, black smoke is emitted and the flame becomes unstable. It had to be operated for a certain amount of time, and it had to be operated in the same way when extinguishing a fire.

The present invention eliminates this disadvantage.

The present invention was made in order to eliminate the drawbacks of the conventional technology, and its configuration will be explained with reference to the illustrated embodiment shown in FIG. In the burner part 6 formed at the tip of the flue 5 that looks into the crater of the incinerator,
Nozzle 6 consisting of an electrical resistance heating element equipped with a terminal for connecting a circuit supplied with electricity from a power source 19
B, and a gas flow rate detector 1 in the flue 5.
4. Arrange gas component detectors 15, etc., input the detected values detected by each detector, and receive the input signal to send the variable air volume blower 3 attached to the dry distillation can 1 or the dry distillation can 1 A control device 17 that adjusts and operates the stretched roistle 2 is provided outside the flue, and the detector and the control device are connected by a circuit, and the control device 17 and a control device for the variable air volume blower 3 are connected. 18 and the Rostre swing control device 16 are connected through a circuit. Since the present invention is constructed as described above, when it is to be operated, first, the dry distillation can 1 is operated in the conventional manner to generate dry distillation gas, which is directed to the incinerator 8 through the flue 5. Send it out.

In order to generate this dry distilled gas, electricity from the power source 19 is supplied in advance to the nozzle 6B, which is placed at the tip of the flue, that is, the crater 8A of the incinerator, and serves as the burner 6. .
Due to this energization, the nozzle 6B generates heat because it is made of metal, which is an electrical resistance heating element. This heat is generated to a temperature sufficient to ignite and burn the above-mentioned dry distilled gas when it passes through the nozzle 6B.

In this example, the nozzle was heated to 700°C in 3 to 5 minutes by passing a current of 5V to 20V through the nozzle.

Under this condition, when the dry distillation gas generated in the dry distillation tank 1 reaches the nozzle 6B by the air blown from the variable air volume blower 3, the nozzle 6B is energized by the power source 19. Since it is sufficiently heated, the dry distilled gas reliably ignites and burns when passing through the nozzle 6B, becomes a combustion flame without emitting black smoke, and is ejected toward the crater of the incinerator 8. was able to fully fulfill its function. After this combustion eruption continues for a certain amount of time,
Even if the electricity supply from the power source is stopped, the nozzle is sufficiently heated, so there will be no problem with subsequent combustion spewing.

Further, by implementing the present invention, the fuel cost for preheating the nozzle can be significantly reduced compared to the conventional method. In this way, the present invention also has the advantage that, unlike the conventional method, restarting the combustion apparatus when the combustion apparatus is temporarily stopped midway can be restarted in a short time.

However, if the amount or concentration of gas sent from the dry distiller decreases during the above-mentioned combustion, the combustion calories will decrease, which is expected to cause various problems in combustion in the incinerator.

This decrease in the flow rate of the gas or the decrease in the concentration of the flowing gas is due to the fact that reductive combustion within the dry distillation vessel is not performed as ideally. This is because the amount of air blown into the dry distillation can 1 from the variable air volume blower 3 is small, or the burnt residue inside the dry distillation can 1 accumulates on the roaster 2, and as a result, the variable air volume blower 3
This is because the air blown from the dry distillation tank is blocked by the roistle part, and sufficient air cannot be sent into the dry distillation tank, so that reductive combustion within the dry distillation tank is not completely carried out.

However, in the present invention, since the gas flow rate detector 14 and the gas component detector 15 are arranged in the flue 5 as described above, in the unlikely event that the amount of gas flowing from the dry distillation tank or
When the gas concentration decreases, it can be detected immediately.

When these detectors detect the above-mentioned conditions, the detected values are immediately input to the control device 17 connected to these detectors by a circuit, and the control is performed based on the input. The device 17 is activated to activate the control device 18 of the variable air volume blower 3 to increase its rotation speed and increase the amount of air blown, or to move the device 16 that swings the roistle 2 to shake the roistle 2. The combustion residue that has accumulated on the dry distillation can is shaken off from the dry distillation can by moving, and the air permeability inside the dry distillation can is improved to improve the combustion of the fuel put into the dry distillation can, and the combustion residue generated inside the dry distillation can is improved. The dry distillation gas can be adjusted to the desired flow rate and concentration.

Further, when the flow rate or concentration of gas flowing through the flue 5 reaches a desired value due to this operation, the detector detects this again, and the control device 1 detects this.
7, and the control device 17 receives the signal.
is activated to lower the rotational speed of the variable air volume blower 3 or to stop the swinging of the roistle 2.

In this way, according to the present invention, it is possible to always generate and supply dry distilled gas having the desired gas amount and gas concentration.

Furthermore, as for the nozzle 6B disposed in the burner section 6 formed at the tip of the flue extending into the crater 8A of the incinerator 8, as shown in FIG. The formed wire mesh X may be stretched, or a metal plate with high electrical resistance may be incorporated inside the nozzle body in the form of a crosspiece Y or a grid Z, as shown in FIGS. 4 and 5. With this configuration, the power supply 1
When a predetermined current is passed through the nozzle 6B from the nozzle 9, the electricity flowing through the nozzle 6B will energize the nozzle body as well as the wire mesh stretched over the nozzle nozzle or the metal plate built into the nozzle body, which will increase the electrical resistance. This generates heat, and the dry distilled gas fed into the nozzle is more likely to ignite when it is injected from the nozzle.

[Brief explanation of drawings]

Figure 1 is a schematic diagram showing the outline of a conventional combustion furnace, Figure 2
The figure is a schematic diagram showing the outline of the combustion furnace according to the present invention, and Figures 3, 4, and 5 are schematic diagrams showing the configuration of the nozzle arranged in the burner section.In the figure, 1 is a dry distillation can, 3 is a variable air volume blower, 5 is a flue, 6 is a burner section at the tip of the flue, 6A is a nozzle arranged in the burner section, 8 is an incinerator, 8A is a crater of the incinerator, 14 is a gas flow rate detector, 15 is a gas component detector, 16 17 is a Rostle swing control device, 17 is a Rostle variable air volume blower adjustment operation control device,
18 is a control device for a variable air volume blower, X is a wire mesh made of metal wires, Y is a crosspiece made of metal plates, and Z is a grid made of metal plates.

Claims (1)

[Claims] 1. Connect a circuit that receives electricity from a power source 19 to the burner part 6 formed at the tip of the flue 5 that connects the exhaust port of the dry distillation can 1 and the crater 8A of the incinerator 8, and which looks into the crater of the incinerator. A nozzle 6B made of an electrical resistance heating element equipped with a terminal is disposed in the flue 5, and a gas flow rate detector 14 and a gas component detector 1 are disposed in the flue 5.
5, etc., and input the detected values detected by each detector, and in response to the input signal, the variable air volume blower 3 attached to the dry distillation can 1 or the rostol 2 stretched over the dry distillation can 1 A control device 17 is provided outside the flue, and the detector and the control device are connected by a circuit, and the control device 1
7 and a control device 18 of the variable air volume blower 3 as well as a swing control device 16 of the rostre are connected through a circuit.