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Energy Efficient Steam Atmospheric Dryer with Thermocompressor for Wastewater Sludge Dehydration

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Chemical and Petroleum Engineering Aims and scope

An energy-efficient steam atmospheric dryer having a thermocompressor and built-in tube recorders is proposed. The special feature of the dryer is that superheated steam of the moisture vaporized from the material being dried is used as the drying agent. The same steam compressed by the thermocompressor is used as the warming heat carrier. Using the example of high-moisture wastewater sedimentary sludge drying it is shown by calculation that the proposed dryer is characterized by low consumption of energy from external sources. If the dryer is operated with a heat utilizer (exchanger), there is no need for an external source of heat energy for preheating the original wet material and that only electricity is used for driving the thermocompressor.

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References

  1. Yu. A. Mikhailov, Drying by Superheated Steam [in Russian], Energiya, Moscow (1976).

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  2. O. L. Danilov and B. I. Leonchik, Energy Saving in Thermal Drying Process [in Russian], Energoatomizdat, Moscow (1986).

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  3. Russian Federation Patent No. 2718630, IPC7 F 26 B 31/04, Conveyer-Belt Dryer [in Russian], claimed by Yu. Ya. Pechenegov, V. V. Oliskevich, A. V. Tsaryunov, and V. P. Sevostyanov, Byul., No. 10, 2020.

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Authors and Affiliations

  1. Engels Technological Institute, a Branch of Yu. A. Gagarin Saratov State Technical University, Saratov, Russia

    Yu. Ya. Pechenegov

  2. Scientific Research Institute of Technologies of Organic and Inorganic Chemistry and Biotechnology, LLC, Saratov, Russia

    V. V. Oliskevich & A. V. Tsaryunov

Authors
  1. Yu. Ya. Pechenegov
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  2. V. V. Oliskevich
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  3. A. V. Tsaryunov
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Corresponding author

Correspondence to Yu. Ya. Pechenegov.

Additional information

Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 57, No. 7, pp. 10–13, July, 2021.

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Pechenegov, Y.Y., Oliskevich, V.V. & Tsaryunov, A.V. Energy Efficient Steam Atmospheric Dryer with Thermocompressor for Wastewater Sludge Dehydration. Chem Petrol Eng 57, 543–550 (2021). https://doi.org/10.1007/s10556-021-00973-2

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  • DOI: https://doi.org/10.1007/s10556-021-00973-2

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