SZL series biomass fired hot water boiler introduction

Biomass boilers are divided into biomass steam boilers and biomass hot water boilers according to the different outlet media. They are provided with steam for steam maintenance, drying, hot water for heating and bathing. SZL biomass boiler is the most common type of boiler. ZOZEN produces a complete range of SZL biomass boilers, both from the boiler industry and boiler structure to say all have.

In the current world energy shortage, serious environmental pollution, biomass as a renewable energy, and biomass sulfur content is low, nitrogen content is high, the combustion of NOx and SO2 content is very low. Ash content in biomass is also very small, so the content of soot is very low after full combustion. At the same time, biomass combustion process has the characteristics of zero CO2 emission, so the development and utilization of biomass energy has broad prospects.

SZL series biomass fired hot water boiler adopts a double cylinder vertical arrangement, and the combustion mode is chain grate. The boiler burns biomass to form solid fuel. The wall of both sides of the furnace wall adopts membrane water wall structure. The front and rear wall water wall tubes of the furnace extend downward to the upper part of the grate to form a front and back arch, which not only increases the sealing performance of the boiler, but also increases the furnace volume and heating surface, and strengthens the back arch. Behind the furnace is the burning chamber, the convection tube bundle, and the rear is economizer. The flue gas enters the tail flue through the furnace, the burning chamber, the convection tube bundle and the economizer, and discharges into the atmosphere through the dust collector, the induced draft fan and the chimney. The front wall is equipped with secondary air, which is controlled by the valve and put into use when burning biomass fuel, so as to intensify combustion, make the fuel fully burned out and improve combustion efficiency. A higher feed inlet is adopted to meet the demand of biomass fuel.

Product advantages:

This series of boilers are the leading products of our company, and all of them have been upgraded. Professor Li Zhiguang, who is also one of the founders of this series of products and is known as the "Great Boiler" in China, has given our company all-round scientific support.

1. The new arch tube sheet is used in the boiler body, which improves the stress level of the tube sheet and prolongs the service life of the boiler.

2. boiler circulation mode is natural circulation and backwater ejector device. The water cycle is safe and reliable.

3. the high efficiency heat transfer part of the flue is threaded pipe, which greatly improves the heat transfer efficiency.

4. use the eight way flue arrangement to make the flue gas flow more reasonable. It not only improves the heat transfer efficiency, but also ensures that the boiler is not directly exposed to flame radiation under the drum and prolongs the service life of the boiler.

5. Because the dust separation steering chamber is set at the back of the furnace and the furnace volume is large, the original dust concentration of the boiler can be ensured to be lower than the allowable value of the standard and the burden of the dust removal equipment can be lightened. The comprehensive emission of the boiler unit is up to the national standard.

Technical data