Burner for h2 and combustion method of burner for h2
A combustion method and burner technology, applied in the direction of combustion methods, combustion using catalytic materials, burners, etc., can solve the problems of not providing burners and burner combustion methods, shortening combustion time, etc., to ensure safety and prevent The effect of deterioration
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Embodiment 1）
[0104] Used in Example 1 with the above H 2 With burner 1 same H 2 Use the burner to supply H to the outer pipe 2 at a flow rate of 10L / min 2 gas, supply H to the inner tube 5 at a flow rate of 1.5 L / min 2 As for the gas, the time required for ignition when the flow rate of the air supplied to the inner tube 3 was changed was measured. The catalyst used was Pd, and the ambient and initial gas temperatures were set to 20°C. show the result in Figure 6 . In addition, confirmation of ignition was performed using a thermometer provided on the front end side in the outer tube 2 .
[0105] Such as Figure 6 As shown, if the H on the catalyst 2 When the concentration is about 20 to 30% by volume, the time required for ignition becomes shorter.
[0106] This and each H 2 The results of the determination of the concentration according to the minimum ignition energy of the spark (cf. Figure 7 ) are very consistent, it can be considered that the H 2 of burning.
Embodiment 2）
[0108] In Example 2, for the H 2 Same H with burner 1 2 Using a burner, Pd, Pt, PdO, and PtO are used as catalysts 2 case, the ignition performance was compared. Specifically, supply H to the outer tube 2 at a flow rate of 10 L / min 2 Gas, supply H to the inner tube 5 at a flow rate of 2 L / min 2 Gas, while changing the flow rate of the air supplied into the inner tube 3, measured the maximum temperature reached within 30 seconds after the ignition operation, and performed a performance comparison. In addition, if Figure 8 As shown, the maximum temperature was measured using the temperature sensor 44 provided on the outer wall of the front end 3 a of the inner tube 3 . show the result in Figure 9 .
[0109] Such as Figure 9 As shown, it can be seen that any catalyst has H passing through the catalyst 2 and combustion gases showing more than H 2 The air volume range of the temperature of the autoignition point of 530°C, with H 2 The properties required for the ignitio...
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