Chair of Thermal Physics and Informatics in Metallurgy, Ural Federal University named after the first President of Russia B. N. Yeltsin, Ekaterinburg, Russia:

D. I. Spitchenko, Post-Graduate Student
A. M. Vokhmyakov, Assistant Professor, e-mail: botia86@mail.ru
M. D. Kazyaev, Professor
E. V. Kiselev, Assistant Professor

LLC “Scientific-Manufacturing Company “UralTermoKompleks”, Ekaterinburg, Russia:
D. M. Kazyaev, Commercial Manager

Continuous heating walking beam furnace was designed, according to the order of JSC “Kirov Non-Ferrous Plant” for solving of problem on extending of a range of produced materials. Modern trends in furnace construction are given on example of plant furnace fleet modernization. This article gives the description of engineering decisions, used in the time of realization of project on construction of continuous heating walking beam furnace and system of automatic charging and unloading. First of all, there was taken into account the possibility of heating of 5 ton copper ingots without their surface break in the time of moving by working furnace area. Secondary, there was solved a problem of non-oxidizing heating (excess-air coefficient for natural gas burning from 0.8 to 1.0) and less-oxidizing heating (excess-air coefficient for natural gas burning from 1.0 to 1.05) of copper and copper-based alloy ingots. Design of continuous heating furnace expects the furnace mechanization, which includes the following mechanisms: beam walking, gate opening/closing, charging/unloading of ingots, transportation of cold and heated ingots. Three-level automatic control system is provided for the purpose of control of all furnace systems. First of all, this system allows to control the whole furnace heating system, consisting of 26 bur ners. Secondary, the system positions all furnace mechanisms during their work. Moreover, during the work of vertical walking beam displacement mechanisms, their synchronism is provided. In the third place, automatic control system carries out the controlling of re-burning system of incomplete combustion products (in case of their presence). Peculiarity of automatic control system of walking beam furnace is a possibility of independent control of each four areas of furnace, according to temperature and pressure. This article also describes the engineering decisions on increasing of energy efficiency of consi dered aggregate. Heating furnace working indices are given.

1. Kazyaev M. D., Vokhmyakov A. M., Kazyaev D. M., Ryaposov A. I., Simonov D. V. Modernizatsiya prokhodnoy pechi dlya nagreva mednykh slyabov pod plasticheskuyu deformatsiyu (Modernization of continuous furnace for copper slabs heating under plastic deformation). Tsvetnye Metally = Non-ferrous metals. 2011. No. 4. pp. 85–89.
2. Spravochnik konstruktora pechey prokatnogo proizvodstva : spravochnik (Reference book of rolling furnaces designer : reference book). Under the editorship of V. M. Tymchak. Moscow : Metallurgiya, 1970. 992 p.
3. Anurev V. I. Spravochnik konstruktora-mashinostroitelya (Reference book of designer - mechanical engineer). Moscow : Mashinostroenie, 2001. Vol. 2. 901 p.
4. Shishkov I. A., Ayzenberg A. A., Belskiy V. I. Sooruzhenie promyshlennykh pechey : seriya “spravochnik stroitelya” (Construction of industrial furnaces : series “constructor’s reference book”). Moscow : Stroyizdat, 1986. 416 p.
5. Gusovskiy V. L., Ladygichev M. G., Usachev A. B. Sovremennye nagrevatelnye i termicheskie pechi (konstruktsii i tekhnicheskie kharakteristiki) : spravochnik (Modern heating and thermal furnaces (designs and technical characteristics) : reference book). Under the editorshop of A. B. Usachev. Moscow : Teplotekhnik, 2007. 656 p.
6. Idelchik I. E. Spravochnik po gidravlicheskim soprotivleniyam : spravochnik (Hydraulic resistance reference book : reference book). Moscow : Gosenergoizdat, 1960. 464 p.
7. Teplotekhnicheskie raschety metallurgicheskikh pechey (Heat engineering calculations of metallurgical furnaces). Under the editorship of A. S. Telegin. Moscow : Metallurgiya, 1970. 528 p.
8. Sovetkin V. L., Fedyaeva L. A. Teplofizicheskie svoystva veshchestv : uchebnoe posobie (Thermal physics properties of substances : tutorial). Sverdlovsk : Ural Polytechnic University, 1990. 104 p.