Rational solutions for automatic control of a solar heating system

Normuminov, Jaxongir; Anarbaev, A. I.; Tulkunov, Jamshid; Zakhidov, R. A.; Xurramov, Bobir

doi:10.1063/5.0112368

Cited by 2 publications

(4 citation statements)

References 5 publications

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“…Therefore, for the cleaning of large-scale gas emissions in the energy sector, high-speed devices are employed, where the gas velocity can reach 40-50 m/s. In a study, it was demonstrated that a tubular film apparatus operating with a downward concurrent flow at a gas velocity of 30 m/s achieves a gas purification efficiency of up to 90% for SO2 and NO2, which falls short of meeting the Maximum Permissible Concentration (MPC) standards for thermal power plants (TPPs) [9][10][11]. Table 2 presents comparative experimental data on the operational parameters of boilers under different steam loads during gas combustion using burners of various designs and placements within the boiler furnace.…”

Section: Results and Their Discussionmentioning

confidence: 99%

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Increasing the efficiency of the use of oil fuel in thermal power stations and boilers

Normuminov,

Tursunov,

Unarov

et al. 2023

E3S Web Conf.

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An organization can achieve good results by properly managing the supply of fuel, ensuring the desired intensity of combustion, and optimizing the volume of the combustion process to promote complete combustion. Additionally, the mixing of fuel with secondary air, provided by combustion devices, is crucial for achieving efficient combustion. Experimental studies conducted on boilers in thermal power plants have demonstrated that heating the secondary air can enhance energy efficiency. This improvement is particularly relevant for fuel oil and gas burning. To optimize the combustion of fuel oil, steam-mechanical nozzles are commonly utilized. These nozzles excel in prolonging the combustion process, leading to more efficient fuel oil burning. When burning gas and fuel oil, a two-stage arrangement of burners in the boiler is more effective than a single-stage configuration, regardless of whether the burners are positioned in opposite directions or in a one-sided frontal arrangement. To mitigate the emission of nitrogen oxides, several measures can be taken. It has been observed that recirculating flue gases from the heat is more effective than solely utilizing flue gas. Additionally, the strategic placement of boilers with furnace gases and the optimization of turning parameters can also contribute to reducing harmful nitrogen oxide emissions.

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Section: Results and Their Discussionmentioning

confidence: 99%

“…This article emphasizes the necessity of conducting additional calculations for the steam boiler whenever modifications are made to the regenerative heating system of the steam turbine plant. These calculations ensure the assessment of the boiler's performance and efficiency under new operating conditions [14][15].…”

Section: Discussionmentioning

confidence: 99%

Increasing the efficiency of the use of oil fuel in thermal power stations and boilers

Normuminov,

Tursunov,

Unarov

et al. 2023

E3S Web Conf.

View full text Add to dashboard Cite

show abstract

“…Heating devices, pipeline networks give water color, smell, various impurities and bacteria appear. Various methods are used to purify water in an open system, but their use reduces the economic effect [5,6].…”

Section: Solutionmentioning

confidence: 99%

“…The advantages of a closed heat supply system are high quality hot water supply, energy saving effect. The disadvantage is the difficulties of water treatment due to the remoteness of heat points from each other [5,6].…”

Section: Solutionmentioning

confidence: 99%

Energy saving technologies in the heat supply systems of Uzbekistan

Koroli,

Khoshimova,

Ivanisova

2023

E3S Web Conf.

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The paper attempted to show the possibilities of improving the energy efficiency and reliability of heat supply services, as well as the quality of heating and hot water supply, by proposing the transition of heat supply systems to closed consumer connection schemes. The authors analyzed the results of experimental studies of elevator inputs that are not able to provide the required parameters in the heating system in time and schemes for connecting hot water to heating networks that have serious drawbacks, on the “Sergeli” and “Yunus-Obod” districts in Tashkent. As the analysis showed, the elevator connection of heating systems and the classical scheme for connecting open hot water supply systems do not provide stable heating modes and guaranteed water supply to places of water parsing with a temperature in the range of 60-70 °C. It is clear that it is necessary to reconsider decisions on connecting subscribers to the heat networks, to choose the best options that will normalize the supply of heating to consumers. In this regard, in the republic, it is proposed to use closed systems: heating the coolant through the heat exchange device of the house`s heating point from the boiler room.

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Rational solutions for automatic control of a solar heating system

Cited by 2 publications

References 5 publications

Increasing the efficiency of the use of oil fuel in thermal power stations and boilers

Increasing the efficiency of the use of oil fuel in thermal power stations and boilers

Energy saving technologies in the heat supply systems of Uzbekistan

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