Optimal Energy-Saving Device for Controlling Liquid (Foam) Processing of Fibrous Materials
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Fibre Chemistry, Vol. 52, No. 2, July, 2020 (Russian Original No. 2, March-April, 2020)
PROCESS MANAGEMENT OPTIMAL ENERGY-SAVING DEVICE FOR CONTROLLING LIQUID (FOAM) PROCESSING OF FIBROUS MATERIALS A. E. Polyakov, M. S. Ivanov, E. A. Ryzhkova, and D. A. Gorodkov
UDC 621.798.426-52
The task was posed and solved to develop an optimal energy-saving device for controlling liquid (foam) processing of fibrous materials. The expected technical result is the processing of fibrous materials in a foam medium with specified physicochemical properties by intensifying foaming on the surface of the processed fibrous material. The effect of foam treatment on the deformation properties of the material is determined.
The authors developed and patented a device for controlling liquid (foam) processing of fibrous materials [1]. The disadvantage of the currently existing devices is the imperfection of a single continuous process for controlling the intensity of foaming on the surface of the processed fibrous material. The expected result is the processing of fibrous material in a foamy medium with specified physicochemical properties while improving the device for controlling the electrotechnical liquid processing complex. Foam processing technology of fibrous materials in comparison with the traditional technology has several advantages: reduced energy consumption in the preparation of a liquid solution (emulsion), reduced total water consumption, increased uniformity of fiber adhesion, increased productivity of the equipment as a result of controlled high-speed modes of supply of air and liquid flows, ability to provide specified efficiency of their mixing in the mixing chamber of the foam generator. The device for automatic control of the foam generator is designed to produce foam of a given quality. After processing fibrous materials in a foamy environment, the resistance of fibers and threads to repeated mechanical stresses from the working bodies that ensure the transportation, processing and formation of fibrous material, is increased. An essential factor determining the quality of the foam treatment is the production of foam of a certain dispersion and multiplicity. Of great importance in the formation of foam with the desired properties is the intensity of the foaming process and the design of the foaming device. The following is a solution to the problem of developing a device for treating a fibrous product with foam, which provides the final result with desired physicochemical properties. The optimization criterion is the multiplicity of the foam, which can be adjusted by changing the amount of air and liquid (emulsion) supplied to the foam generator [2]. Fig. 1 shows a block diagram of a device for controlling liquid (foam) processing of fibrous materials, Fig. 2 shows a diagram of a foam generator for liquid processing. The controlled electrotechnical complex for processing fibrous materials, designed to produce foam of a given quality, contains electric drives for feed cylinders, discharge cylinders, a mixer, a fan,
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