Patent · US Expired

Nozzle block for rotary kilns

US4451232A · kind A · utility

2Cited by

2References

6Claims

0Family size

Assignee

Metallgesellschaft AG · DE

Inventors

Helmut Ernst · Offenbach am Main, DE
Karl-Heinz Gehrhardt · Dietzenbach, DE
Leopold Uhl · Bad Camberg, DE
Hartmut Wolert · Frankfurt am Main, DE

Key dates

Filing date	Aug 9, 1982
Grant date	May 29, 1984
Priority date	—
Expiry date	Aug 9, 2002

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF27D2021/023
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

In order to reduce the wear and to facilitate the replacement, a nozzle block comprises a mounting plate which is connected to the kiln shell, a nozzle tube which extends in the mounting tube and defines a clearance with the mounting tube and with the kiln lining, an abutment surface provided at the lower end of the nozzle tube and engaged by the orifice plate and which is clear of the body of the nozzle tube, a retaining tube which extends in the nozzle tube and defines a clearance with the nozzle tube and with the orifice plate, a gas feed duct attached to the side of the mounting tube and a cover on the mounting tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.