ZOZEN WNS series oil-fired/gas-fired boiler is a kind of fire tube wetback boiler with a two-pass or three-pass structure. It is equipped with foreign advanced burner, economizer and condenser installed at the end of flue gas duct to lower the exhaust temperature to 60℃, achieve the thermal efficiency of over 98% and control the emission of NOx to less than 30mg/Nm3. It has the characteristics of compact structure, small covering area, short installation period, easy operation and complete automatic control system which can realize unattended operation.
This is gas-fired/oil-fired thermal oil heater from ZOZEN Boiler which is widely used in petroleum, chemical fiber, pharmaceutical, printing and dyeing and other industries that require high-temperature heating. The thermal oil heater adopts heat medium oil to transfer the heat energy. Applying high temperature of heat medium oil, the boiler can realize low pressure and high temperature heating with a working temperature of 320℃. Meanwhile, our thermal oil heater is equipped with the complete device for operation control and safety supervision which can precisely control the working temperature with convenient operation and high safety performance.
ZOZEN SZL series biomass-fired boiler has the characteristics of sufficient output and high thermal efficiency. To ensure the sufficient combustion of fuel and save the fuel costs, ZOZEN analyzes the characteristics of different fuels, and optimizes the feeding hopper, width and length of grate, grate rotating speed, secondary air inlet place and direction. ZOZEN also adopts the design of separate air chambers and air dampers to ensure the complete combustion of different biomass fuels and improve the boiler thermal efficiency to above 88%.
YQW series thermal oil heater adopts three-pass round coil structure with larger inner coil design to ensure boiler's safe operation under high temperature. It is also equipped with advanced burner and control system. They realize the automatic and stable operation of thermal oil heater. There is waste heat recovery device as well to improve the thermal efficiency to 95% and above.
This video is a case collection of ZOZEN's WNS series steam boiler with 10 tph capacity. ZOZEN’s WNS series steam boiler is a kind of horizontal internal combustion wetback boiler and is popular among enterprises in various industries since being launched. This type of boiler adopts wetback structure and is equipped with advanced low NOx burner, which can effectively improve the combustion efficiency and reduce the NOx emission to realize the purpose of energy conservation and environmental protection.
ZOZEN Boiler cooperated with Hebei Yigao Bioenergy Co., Ltd. to improve the reasonable and efficient utilization of biomass energy such as corn straws and so on. According to Hebei Yigao Bioenergy’s requirement of using biomass straws as fuel, ZOZEN Boiler reasonably designed the furnace arch, furnace wall and furnace heating surface of SZL series biomass-fired steam boiler by cooperating with Shanghai Jiaotong University to ensure the combustion efficiency and rated evaporation capacity of boiler.
In response to increasingly serious environmental problems, Ji Xiang Ju Food decides to purchase low NOx and eco-friendly gas-fired steam boiler. To meet the new requirements, ZOZEN Boiler customizes the boiler system and recommends SZS series low NOx steam boiler to ensure the sufficient heat supply for Ji Xiang Ju Food's production line. This series of gas-fired boiler adopts D-model full membrane wall structure and combustion chamber adopts narrow-spacing tube membrane wall with good air impermeability to reduce heat loss and enhance the thermal efficiency to 98% and above with the economizer at the end of flue gas duct.
WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.
