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Gas-electric hybrid wall-mounted boiler [PDF]

open access: yesE3S Web of Conferences, 2023
In common terminology, a hybrid (dual-fuel) heat supply system combines a gas boiler and a heat pump. These systems are considered the most energy-efficient of the currently existing autonomous household heat supply systems.
Toropov Alexey
doaj   +2 more sources

Vibration control technology of reheat steam hot section pipeline of 135MW unit [PDF]

open access: yesE3S Web of Conferences, 2022
Based on the on-site cold and hot state inspection of the four pipelines of a 350MW unit in Shandong, combined with the review and calculation of stress, design and installation data, operation and maintenance records and other data, this paper ...
Yuan Tangqing   +4 more
doaj   +1 more source

Design and feasibility verification of regenerative system of electric thermal storage boiler for peak shaving in summer in power plant [PDF]

open access: yesMATEC Web of Conferences, 2022
During the heating period, the thermal storage electric boiler helps the thermal power units to participate in the deep peak regulation by converting the electric energy into heat energy for heating users, but in the non-heating period, the thermal ...
Yao Yingying   +4 more
doaj   +1 more source

Discussion on Performance Index of the Anti - Contamination Coating for the Heating Surface of Pulverized Coal Boiler [PDF]

open access: yesCailiao Baohu, 2022
In order to help the material manufacturers and research units to understand, develop and optimize the anti - contamination high temperature nano - ceramic coating with a clear target and to have a comprehensive understanding of the coking problem that ...
DONG Meng, WANG Yuan - kui, ZHANG Yu - hang, YANG Shu - li
doaj   +1 more source

Analysis on three typical abnormal microstructures of overhead power line suspension clamps [PDF]

open access: yesE3S Web of Conferences, 2020
This article lists three typical abnormal microstructures of overhead power line suspension clamps, including inclusion, flake graphite and cementite network.
Liu Weike   +10 more
doaj   +1 more source

Fracture analysis and countermeasures of the grid switch castings [PDF]

open access: yesE3S Web of Conferences, 2020
Based on the detection technology of direct reading spectrum, metallographic microscope and X-ray, the defects of the grid switch castings were analyzed.
Feng Chao   +9 more
doaj   +1 more source

Wall-mounted electric boilers on semiconductor thermistor PTC heating elements [PDF]

open access: yesE3S Web of Conferences, 2023
The improvement of energy efficiency in HVAC equipment makes the greatest contribution to reducing the environmental impact of household technical equipment on the natural environment.
Toropov Alexey
doaj   +1 more source

Fracture analysis of fastening bolt of closing resistance for 1 100 kV GIS circuit breaker

open access: yesZhejiang dianli, 2023
The contact of the closing resistance of a certain 1 100 kV circuit breaker is faulty. Two short bolts are falling off and two long bolts are broken and separated.
SUN Qingfeng   +5 more
doaj   +1 more source

Ash Accumulation State Identification for Infrared Compensation Images of Air Preheater Rotor Based on Deep Learning Method

open access: yes发电技术, 2022
Ash plugging of the rotary air preheater widely used in large-scale power station often occurs and even reduces the efficiency of the boiler in sever cases.
LIU Jun   +5 more
doaj   +1 more source

Investigation on the water vapor oxidation of Super304H at 600 ℃

open access: yesMaterials Research Express, 2021
Steam oxidation is the main limited factor for the heat-resistant steel in fossil power plant. Disclosing the oxidation mechanism and kinetics could be helpful for the daily inspection to ensure the safety operation.
Zhoufeng Zhao   +7 more
doaj   +1 more source

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