Boiler is the power and source of paper mill production, it is used in many production links of paper mill, such as preheating of raw materials, steam heating during pulp cooking, drying of paper mill dryer, etc., the boiler is indispensable as long as the heating is indeed. In addition, household paper has more disinfection and sterilization processes compared with other paper products, so it has higher requirements for steam. A paper mill in Syria uses 100% imported raw wood pulp to produce household paper. With the growing production scale of the company, the original heating equipment of the company has been unable to meet the steam heating demand of its production and printing line. Therefore, a new boiler with full combustion, high efficiency and low energy consumption is crucial for the company.

In order to ensure product quality and further improve production efficiency, the company decided to introduce an efficient and environmentally friendly coal fired steam boiler. After careful online inspection and comparison of the strength of industrial boiler suppliers in various countries, the company finally ordered a 10 ton SZL series coal fired chain grate steam boiler from Xinli boiler, and put forward higher requirements on the environmental performance of the boiler. Xinli boiler technical team not only optimizes and reasonably arranges the furnace arch and furnace heating surface, but also adjusts the air supply ratio of primary and secondary air to optimize the secondary air layout to make fuel combustion more fully when designing the coal fired boiler. At the same time, Xinli boiler has also customized a set of boiler tail gas treatment system with high cost performance. This steam boiler adopts the method of multi pipe dedusting plus water film desulfurization and dedusting. The dedusting efficiency can reach 100%, and the desulfurization efficiency can reach more than 85% so that the emission concentration of smoke and dust as low as 250mg/Nm3. At present, the project has successfully passed the environmental protection inspection organized by the Syrian government and met the local environmental protection requirements. Once the boiler is put into use, it will greatly improve the production efficiency of the company.The following figure shows the application site of this boiler in the paper mill in Syria.

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