The possibility of creating an energy-technological unit on the basis of a kiln for a more complete use of the resulting secondary energy resources, as well as the feasibility of using an exergy method for assessing the efficiency of kilns and recycling of secondary heat, which is a promising direction in solving energy saving issues for ceramic industries, is shown.
Heat losses are considered by the example of a tunnel kiln for firing porcelain and refractory materials. Calculations of heat losses through the roof of the furnace when using diatomite chips and granular glass-ceramic foam as heat-insulating backfill have been carried out. Economic calculations have shown the advantage of using granular glass ceramic foam. Tab. 4, ill. 2, bibliography: 6 titles.
Compositions suitable for the production of foam-teclocrystalline materials based on aluminosilicate raw materials (by the example of zeolite and diabase rocks) using a two-stage technology at temperatures not exceeding 900 ° C are considered. Criteria for evaluating the initial raw materials and compositions of glass granulate are established. It is shown that the use of aluminosilicate raw materials, when the established conditions are met, makes it possible to obtain a foam-glass-crystalline material with a density of 250 - 350 kg / m 3 and a compressive strength of up to 2 MPa. Tab. 3, ill. 3, bibliography: 4 titles.
Prospects for obtaining heat-insulating foam glass with a protective and decorative coating are considered, which will increase the water resistance, durability of the material, and also improve its decorative properties. In addition, such a composite heat-insulating material can be used for architectural and artistic design of modern buildings and structures. Tab. 4, ill. 1, bibliography: 9 titles.
An energy-saving, environmentally friendly technology for the production of liquid glass has been developed, based on the use of non-scarce raw materials. This excludes the use of a glass furnace. Tab. 5, ill. 4, bibliography: 2 titles.
In terms of thermal insulation properties and environmental friendliness during production and operation, foam glass is one of the most demanded materials. There is a tendency towards the development of foam glass production in Russia. In the coming years, at least six lines for the production of foam glass will be put into operation. Tab. 3, bibliography: 2 titles.
An environmentally friendly resource-saving technology for producing heat-insulating granular foam glass with closed pores has been developed. Thermal characteristics of the obtained granulated glass-ceramic foam make it possible to recommend it as an effective heat-insulating material for high-temperature heating units and utility networks. Il. 5, bibliography: 4 titles.
It has been shown that the use of AC32 - AC50 diamond powders (instead of AC6 - AC15 powders) in combination with a new metal bond with hardness HB 75 - 85 (compared to the M2-01 bond) makes it possible to extend the service life of wheels by 1.5 - 2 times. products from high-quality and art glass, as well as to reduce the specific consumption of diamonds and increase the cutting ability of the tool. Il. 2, bibliography: 4 titles.
The works devoted to the creation of an energy-saving melting chamber with a perforated layer are considered. The chamber is capable of providing deep comprehensive regeneration of thermal waste and high environmental perfection of the process. Il. 4, bibliography: 14 titles.
The principles of constructing resource- and energy-saving power supply systems based on transformer-thyristor modules are considered on the example of a developed non-contact three-phase linear voltage stabilizer of 0.4 kV for three-wire power supply networks. Il. 4, bibliography: 2 titles.
