Steam boiler is an indispensable equipment in the paper industry. Pulping is the first step in paper-making, in which the separation of fibers, steaming, and subsequent steps such as washing, bleaching, concentration, and shaping all require the use of industrial steam boilers. The high-temperature and high-quality steam output from the steam boiler will also be transported through pipelines to various links, where it will be fully mixed with the raw materials and become one of the raw materials for the pulping process. So steam boilers are the core equipment for power output in the paper-making industry and play a crucial role. The cooperation with
Sitong boiler this time is with a large household paper manufacturing plant located in KwaZulu Natal Province, South Africa (with an annual output of over 20000 tons of napkins, toilet paper and other products). In the production process of the plant, key processes require continuous and stable saturated steam of 1.25MPa such as pulp steaming, mesh dewatering, and dryer drying. Due to the periodic fluctuations in local natural gas supply, high requirements are placed on fuel adaptability. So the customer decided to upgrade its boiler system. In addition, they wanted to upgrade to a clean and efficient steam supply system with the expansion of production scale, the increase of environmental protection requirements, as well as based on the problems of excessive emissions and unstable heat supply of the original coal-fired boilers.
Sitong boiler was ultimately become its boiler supplier after secret international bidding. In the paper-making industry, high-quality steam is directly related to production efficiency and product quality. The WNS series oil gas fired steam boiler from
Sitong boiler is designed specifically to meet the critical requirements like that.
Based on the customer's steam demands, we recommend them an American standard WNS4-1.25-Y (Q) horizontal internal combustion oil gas fired boiler. It adopts advanced three pass design and optimized large furnace structure, which can provide high-quality steam with low water content. The steam can ensure more efficient drying and flattening processes in the paper-making process, reduce energy consumption, and improve the smoothness and strength of the finished paper. In addition, high-quality steam also helps improve the physical properties of paper, such as thickness uniformity and surface treatment quality, which is crucial for meeting the strict requirements of the high-end market. This WNS4-1.25-Y (Q) series dual fuel boiler supports seamless switching between natural gas and diesel. During periods of tight natural gas supply in South Africa, it can instantly switch to diesel fuel to avoid production interruptions. The dual fuel switching function of the boiler can help the enterprise completely solve energy supply concerns, and the stable steam output of the boiler can directly improve the softness and water absorption of tissue products. This dual fuel fired steam boiler of
Sitong boiler provides a replicable thermal energy solution for segmented fields such as household paper and packaging paper, thanks to its combination advantages of "high efficiency and energy saving+flexible fuel+localized adaptation". Its American standard design and environmental performance have also set a benchmark for Chinese boiler equipment to enter the high-end African market.The picture shows the delivery site of the boiler；
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