High-efficiency recuperative burner compatible with rDME mixed LP gas.
Conducted DME combustion tests of a heat exchanger integrated waste heat recovery burner in collaboration with Hiroshima Gas Co., Ltd.
In the LP gas industry, while aiming for future green LP gasification, the immediate focus is on low carbonization through co-firing with r (renewable) DME (dimethyl ether), which has similar physical properties to LP gas. Recently, we conducted verification tests on "combustion stability" and "combustion characteristics" in industrial gas burners using DME co-firing with LP gas, and confirmed the following results: 1. Established specifications for stable combustion across the entire range of DME mixing ratios from 0 to 100%. There was no change in flame length across the mixing ratio range, and the luminous flame characteristics remain unchanged with DME mixing ratios from 0 to 30%. 2. Achieved combustion characteristics equivalent to LP gas. It is also possible to operate on pure DME. At mixing ratios from 0 to 100%, we achieved NOx and CO values equivalent to LPG specifications. 3. Pure DME combustion results in stable combustion with a blue flame.
basic information
【Model】(Rated combustion amount) STBW-10DME (116kW) STBW-20DME (233kW) STBW-30DME (349kW) 【Ignition method】 Direct ignition 【Detection method】 Ultraviolet phototube
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Model number/Brand name
STBW-DME
Applications/Examples of results
[Achievements] We have numerous achievements both domestically and internationally with city gas 13A/LPG specifications. (Various industrial furnaces such as aluminum melting furnaces, aluminum holding furnaces, centralized melting holding furnaces, crucible furnaces, preheating of ladles, preheating of transport ladles, heat treatment furnaces, heating furnaces, etc.)
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Since its establishment in 1959, Seiei Manufacturing Co., Ltd. has supplied gas burners and industrial furnaces to various fields. Leveraging the "combustion technology" and "thermal utilization technology" developed during this time, we are working on the development of "hydrogen and ammonia combustion technology" and "low-carbon thermal equipment." At the "Thermal Technology Research Institute," we can conduct combustion tests of hydrogen gas burners, as well as tests for painting drying and aluminum melting using hydrogen combustion. Additionally, we can perform various tests to solve issues related to thermal equipment. As professionals in thermal equipment, we are committed to contributing to the realization of carbon-neutral manufacturing.