Burner for producing carbon black

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Pigment or carbon black producer

Reexamination Certificate

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Details

C422S151000, C422S156000, C431S145000, C431S187000, C431S188000, C431S189000

Reexamination Certificate

active

06946101

ABSTRACT:
A burner for producing carbon black, includes a combustion chamber which can be supplied with fuel gas and an oxidizing gas in such a way that a diffusion flame producing carbon black particles is generated in the combustion chamber. The burner is also provided with a carbon-black discharge line. Carbon black formed in the combustion chamber can be discharged via an opening in the combustion chamber which feeds into the carbon-black discharge line. The discharge line is also provided with an opening through which an extinguishing gas can be supplied to the carbon-line. The burner permits the stable and reproducible production of carbon black particles which present well defined chemical and physical characteristics.

REFERENCES:
patent: 1597991 (1926-08-01), Heller
patent: 2599981 (1952-06-01), Ekholm
patent: 4305291 (1981-12-01), Nelson
patent: 4751069 (1988-06-01), Ducote et al.
patent: 5262146 (1993-11-01), Kanamaru et al.
patent: 5891414 (1999-04-01), Kanamaru et al.
patent: 28 42 977 (1980-04-01), None
patent: 0 353 746 (1990-02-01), None
Lianpeng Jing, “Generation of Combustion Soot Particles for Calibration Purposes,” 2nd ETH Workshop on Nanoparticle Measurement, ETH Hönggerberg Zürich, Switzerland, 1998, pp. 1-4.

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