Catalytic combustion device

Details Catalytic combustion device Catalytic combustion device

1989-06-06

1990-05-22

Price, Carl D.

Combustion

Heated line section feeds flame holder

Distinct exhaust products line heats feed line

431246, 431353, 431328, 126 91A, F23D 1144

Patent

active

049273531

ABSTRACT:
A catalytic combustion device has a fuel supply means communicated with a fuel supply source, an air supply passage communicated with an air supply source, a premixing chamber for mixing together fuel supplied from the fuel supply means and combustion air supplied from the air supply passage to form a fuel-air mixture, a catalyst installed in a combustion chamber to cause oxidation reaction of the fuel-air mixture supplied thereto, thereby effecting catalytic combustion, and an exhaust passage for discharging combustion gas from the catalyst in the combustion chamber. In the improvement, an exhaust passage is defined outside the premixing chamber with a predetermined spacing provided therebetween, the exhaust passage being communicated with the combustion chamber, and an air supply passage is defined outside the exhaust passage with a predetermined spacing provided therebetween, the air supply passage being communicated with the premixing chamber, thereby heating the premixing chamber by means of the combustion gas in the exhaust passage to vaporize the fuel and also heating said air supply passage to preheat the combustion air.

REFERENCES:
patent: 4318689 (1982-03-01), Forster et al.
patent: 4401099 (1983-08-01), Collier
patent: 4586894 (1986-05-01), Wunning
patent: 4642049 (1987-02-01), Louis

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