Boiler is an indispensable power equipment in the production process of food industry. All food processing plants (including winery, rice mill, beverage factory, dairy plant, agricultural product processing plant, meat product processing plant, green food processing plant, etc.) need constant temperature and high quality steam to ensure the quality of food.
Hot water and steam produced by the boiler are widely used in the food processing process of distillation, extraction, disinfection, drying, curing and other processes, using high temperature steam for high temperature cooking, drying, disinfection and so on. Steam will be in direct or indirect contact with food, so the quality of steam is very high, so it is best to use clean energy sources as fuels, such as natural gas, and electricity. Compared with other fuels, natural gas fuel boilers have the advantages of low pollution, use of fuel channels, no need for storage, land use savings, low infrastructure costs and so on.
Food industry has higher requirements steam quality and temperature stability. Oil-fired and electric boilers have more accurate temperature control to ensure the quality of food. Xinli oil and gas boiler realizes ultra-low emission, nitrogen oxide emission reaches and exceeds the emission standards of national environmental protection department, which is conducive to maintaining constant temperature for the precise temperature control system.
Determine the saturated steam parameters of the boiler according to the requirements of the production process. The advantage of saturated steam is that it maintains a constant temperature for production.
Generally, boiler pressure is always higher than the production of saturated steam pressure, the reason is to overcome the pressure loss in the pipe or network. At present, the pressure of boiler nameplate is much higher than the pressure needed in production. The actual production pressure plus the pressure drop required to overcome all pipe resistance plus a pressure margin of 25 to 30 percent is sufficient.
Boilers are divided into fuel oil gas boilers, coal-fired boilers, biomass boilers, electric boilers. The state has strict control over coal-fired boilers, and gas boilers have more accurate temperature control. However, it is necessary to consider whether it is convenient to install gas pipelines. If it is not convenient, oil or electric boilers should be considered.
In addition to boiler output, working medium parameters, coal varieties three basic factors, there are other aspects such as external size, load volatility, water quality, air pollution, mechanization, automation degree, and the main and auxiliary machine selection. The size of the boiler should be considered in the expansion of the original boiler room. The products of different plants vary greatly in size, so the user should find out the product situation of the factory.
It’s better to select the boilers with same capacity or combustion equipment. If different, the max limitation is two models, to decrease the problems of equipment layout and management.
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