HIGH-TEMPERATURE TUNNEL FURNACE FOR DRYING AND FIRING
N. A. Tyutin,
Yu. A. Levchenko,
A. A. Skoichilov,
and M. Yu. Vanyukov
Translated from Novye Ogneupory, No. 8, pp. 25 – 28, August, 2006.
Original article submitted February 16, 2006.
The participants of the development, construction, and start-up of a tunnel furnace are mentioned. The concept
of a tunnel furnace as a thermotechnological complex is defined, where the main component is the dry
ing-and-firing chamber acting as a reactor in product treatment. The design of the drying-and-firing chamber
and the furnace in general is described. Design parameters and data on the industrial performance of the fur
nace in drying and firing spinel-containing refractories are given.
The Eastern Institute of Refractories has designed a
high-temperature tunnel furnace for drying and firing spi-
nel-containing refractories at division No. 2 of the Borovichi
Refractory Works (BRW); the construction, start-up, and ad-
justment of the furnace were carried out in 2005. The design
specifications of the furnace thermal engineering and con-
struction, its cars, and gates were prepared by the VOSTIO
researchers: N. A. Tyutin, L. B. Antropova, I. P. Grozina,
G. S. Tumanova, A. S. Mashonkin, V. M. Korovina, and
V. V. Erin.
The electromechanical part of the furnace, including in
strumentation and automation, as well the design, certifica
tion, and supply of burners were carried out by the Tyazh
promelektroprivod-2 Company and the Gorelochnyi Tsentr
Company, both from Ekaterinburg. The mechanization of
pushing furnace cars in the drying-and-firing chamber and
their transportation on electric carriages and by detour paths
was designed by the BRW design department under the
supervision of N. A. Tyutin and V. M. Korovina. The ope
rational adjustment was carried out by Yu. A. Levchnko
(VOSTIO) and the Thermal Engineering laboratory of the
BRW headed by M. Yu. Vanyukov.
The director of the Eastern Institute of Refractories
A. A. Skochilov, technical director V. P. Migal’, and Chief
Engineer of the Borovichi Works V. T. Sakulin actively par-
ticipated at all stages of the development. Other participants
were the capital construction and repair department, work-
shop No. 2, R&D department, chief power engineer and
chief mechanical engineer services, and thermal engineering
lab headed by N. V. Gershkovich, P. P. Pavlov, A. N. Kon-
stantinov, B. K. Gulyaev, A. B. Kirillov, V. Ya. Orlov,
G. V. Inanov, and M. Yu. Vanyukov, respectively.
We should especially mention the role of the head of
division No. 2, P. P. Pavlov, and R&D researcher L. B. Bem
bel’ who made significant contributions to the development
of the project and the furnace construction. It is essential that
the VOSTIO Institute and the Borovichi Works closely co
operated in this project in the spirit of mutual respect and
According to the request for proposal, the furnace was
designed and built in a bay in workshop No. 2 using a recon
structed foundation of the previous drying-and-firing cham
ber of a dismantled tunnel furnace, while preserving the ex
isting electric carriage and detour paths. A high-temperature
tunnel furnace constitutes a thermotechnological complex
consisting of a drying-and-firing chamber, pipeline systems
with draught blowing machines, transport systems of the in
ner and outer cycles, systems of fuel supply, electricity sup
ply, control, and industrial and environmental safety.
The main element of a tunnel furnace is its drying-and-
firing chamber which acts as a reactor in thermotechnologi
Refractories and Industrial Ceramics Vol. 47, No. 4, 2006
1083-4877/06/4704-0209 © 2006 Springer Science+Business Media, Inc.
Eastern Institute of Refractories (VOSTIO), Ekaterinburg, Rus
sia; Borovichi Refractory Works (BRW), Borovichi, Novgorod