The wns series oil and gas boiler produced by ZG boiler is a fast-assembling boiler, which saves time and labor and is easy to operate. ZG boiler can produce this boiler with a capacity of 1-20 tons. Such wns series oil and gas boilers have steam boilers, hot water boilers, and many applications in schools, hotels, swimming pools, packaging plants, food industries and other industries. This kind of wns oil and gas boiler is easy to install, and customers with small footprint can choose the capacity and the number of boilers (install one boiler or two or more boilers) according to their needs.
Steam boiler has brought great convenience to industry. Steam boiler has driven the development of the times. The following is a brief introduction to the structural characteristics and working principle of steam boiler. Steam boiler is a machine that mainly produces steam, and many people use it, but many of them do not know much about its structure and working principle. It makes use of coal, oil, natural gas and other water-tube steam boilers with limited capacity and pressure. There is a large desire to space, and easy to arrange, steam boiler in a variety of forms. Water is heated in the drum into steam, and the heat emitted by fire in the furnace is the principle of a steam boiler. Work of steam boiler Principle:
1, the heat generated by pulverized coal combustion in the furnace is first absorbed by the water wall through radiative heat transfer, and the water boiling of the water wall is vaporized, producing a large amount of steam into the steam drum for steam separation (except for direct flow furnaces). The separated saturated steam enters the superheater and continues to absorb the flue gas heat at the top of the furnace and the horizontal flue and the tail flue through radiation and convection, and enables the superheated steam to reach the required working temperature. The steam boiler for power generation is usually equipped with a reheater, which is used to heat the steam after the high-pressure cylinder does work, and the reheat steam comes out of the reheater to go back to the middle, and the low-pressure cylinder continues to do the work to generate electricity.
2. When the pulverized coal stove is working, The position of the center of the flame will affect the amount of evaporation, generally speaking, if the center of the flame is low, the amount of evaporation will be large, and the position of the center of the flame will also affect the temperature of the superheated steam or reheated steam, as well as the high value of the flame center and the small amount of evaporation. When the flame center is low, the superheated steam, especially the reheated steam temperature, will be low and vice versa.
3, the arrangement of burners, as far as coal powder furnace is concerned, there are many kinds of combustion modes, such as front and rear wall, tangential combustion, double tangential combustion, and so on, each of which has its own characteristics. The influence on steam can not be directly determined because the same furnace can not apply the above-mentioned arrangement methods at the same time.
Fangkuai Company has a fully-automatic PLC intelligent control system designed and developed by itself with complete intellectual property rights. It adopts a combination of mechatronic control equipment and a programmable logic controller (PLC). Take the advanced programmable logic controller (PLC) as the "central processing unit" of the control system. The control system is operated through the touch screen, which greatly improves the degree of automatic control and operation reliability of the boiler, and the operation is simpler and more intuitive.
6MW YQW series gas-fired thermal oil heater project for food industryThe rapid development of the food industry is inseparable from the strong support of the boiler system, which is one of the important production line equipment for the plant extraction process. Founded in 1995, Damin Food (Zhangzhou) Co., Ltd. is an international enterprise group specializing in deep processing of natural plants which integrates R&D, production and sales. Its products are exported to the United States, Japan, Europe and other countries and regions. It is an international supplier of many large-scale food and beverage, restaurant chain and health care products pharmaceutical companies.Damin Foods is committed to producing healthy and natural products and creating a healthy lifestyle that returns to nature. Therefore, Damin Foods attaches great importance to its own green development, and adheres to the environmental protection concept in the selection of boiler equipment. It plans to introduce environmentally friendly boilers that use clean energy natural gas as fuel. After understanding their actual needs, ZOZEN tailored the technical solution for Damin Foods: newly construct four sets of 5 million kcal YQW series thermal oil heaters. This series of gas-fired thermal oil heaters has the characteristics of high temperature and low pressure. In the process of plant extraction, high temperature steam is used to complete the sterilization process of plant concentrate, which fully meets the temperature requirements of Dagu food production line. The tail of the heater is also equipped with waste heat recovery devices. By recycling the waste heat of high-temperature flue gas, the heat energy loss is greatly reduced, and the overall thermal efficiency of the heater is increased to over 95%.
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