Turbines for Water-Heating Boilers in a Thermoelectric Plant

Solomin, I. N.; Sadykov, R. A.; Daminov, A. Z.; Futin, V. A.

doi:10.3103/s1068798x16020222

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…Most works on insulation of pipelines consider the tasks of reduction of heat losses during transportation [4][5][6][7], the effect of insulation thickness on cost parameters and corresponding savings in the heat supply system [5,8], reduction of air pollution and real savingsof carbon emissions [9][10], impact on the environment of flue gases,the impact on the environment from the use of district heat supply systems [11]and district heating systems [12][13][14][15][16]. Studies [17][18][19] show the possibility of using pipelines made of polymer materials with high-efficiency thermal insulation in district heat supply systems. Thermal insulation materials as a tool for energy saving are considered in the work [20].…”

Section: Introductionmentioning

confidence: 99%

Calculation of soil temperature at the intersection of the heating line of the underground gasket and gas pipeline taking into account real operating conditions

et al. 2021

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Distances from the insulation shell of pipelines duringchannelless laying to utility networks are recommended by regulatory documents, but in real conditions it is not always possible to comply with these parameters. Calculations have been made to verify that the gas pipeline can be laid next to the supply pipeline of the heating network in the problematic section of the installation where these restrictions are not met. The soil temperature on the wall of the gas pipeline case is determined to exclude the heating condition of polyethylene pipes above 40 °C for the entire period of operation. Soil temperatures at the intersection of the heating line and the gas pipeline were determined taking into account the real operating conditions of the district heating networks, the peculiarities of regulating the coolant parameters of the Russian heat systems and the state of thermal insulation.

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Section: Introductionmentioning

confidence: 99%

Calculation of soil temperature at the intersection of the heating line of the underground gasket and gas pipeline taking into account real operating conditions

et al. 2021

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“…Improvement of energy efficiency of heat supply systems of Russian cities when replacing central heat points with individual heat points is considered in the work [24], identification and disclosure of the main problems of deterioration of the quality of thermal protection of buildings, increase of thermal losses [25]. Studies [26][27][28] show the possibility of using pipelines from polymer materials with high-efficiency heat insulation in district heat supply systems.…”

Section: Introductionmentioning

confidence: 99%

Upgrading the hot water supply system as a way to save energy

Akhmerova

Zalyalova²,

Badrutdinov

et al. 2021

E3S Web Conf.

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The efficiency of works on replacement of steel pipelines of hot water supply of Kazan with pipes from polymer materials was considered. Due to the high corrosive activity of water, the service life of hot water pipelines does not exceed 8-10 years. To improve the reliability and quality of the supply of hot water to consumers, the possibility of modernizing hot water supply networks using pipelines made of polymer materials is being considered. The problem of physical wear of heat supply networks is disclosed; analysis of polymer pipelines use for energy saving purposes is carried out. Thermal energy savings are calculated after the modernization of heating networks. The costs, savings and payback period of the energy-saving measures are determined.

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Calculation methods of the gas flow in the impeller of a turbo-expander of ORC plant used in the heating plant

Solomin¹,

Daminov

Kamalov

2020

J. Phys.: Conf. Ser.

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The calculation of a turbo-expander impeller of a thermoelectric plant operating according to organic Rankine cycle (ORC) is given. The calculation was carried out for real gas using the Peng-Robinson model. Freon R245fa was chosen as the working fluid of the plant. The approximation values of the coefficients of polynomial describing the temperature dependence of isobaric heat capacity on Freon R245fa were used in the calculation.

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Turbines for Water-Heating Boilers in a Thermoelectric Plant

Cited by 3 publications

References 5 publications

Calculation of soil temperature at the intersection of the heating line of the underground gasket and gas pipeline taking into account real operating conditions

Calculation of soil temperature at the intersection of the heating line of the underground gasket and gas pipeline taking into account real operating conditions

Upgrading the hot water supply system as a way to save energy

Calculation methods of the gas flow in the impeller of a turbo-expander of ORC plant used in the heating plant

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