In the starch production, a large amount of wastewater containing high concentrations of organic compounds and suspended solids is produced, which not only causes high starch production costs, high water consumption and large loss of raw materials, but also makes the water black and smelly and pollutes the environment because of the putrefaction of organic matter such as protein and residue of sulphurous acid in the wastewater.
In the starch processing, dejuicing, dehydration, drying and other processes require sufficient steam supply. Meanwhile, a large amount of steam is necessary to extract and purify the organic matter in the wastewater. According to different demands of starch processing enterprises, ZOZEN can not only scientifically select the boiler types and design the high-efficiency and eco-friendly boiler systems, but also provide the one-stop services from pre-sales to after-sales for customers.
ZOZEN gas-fired steam boilers adopt the large-volume furnace which can adapt to a wide range of fuels and ensure the sufficient combustion of fuels. Its boiler thermal efficiency can be further improved with the energy-saving devices at the end of the flue gas duct. Meanwhile, they also have outstanding energy-saving and eco-friendly effects and can realize the ultra-low NOx emissions.
| Recommended boilers: | WNS series/SZS series |
| Capacity: | 1-110 tph |
| Working pressure: | 0.7-5.3 MPa |
| Thermal efficiency: | Above 98% |
| Applicable fuel: | Natural gas, biogas, liquefied petroleum gas, blast furnace gas, diesel, etc. |
ZOZEN WNS series horizontal internal combustion wetback gas-fired boiler has two-pass or three-pass structure according to the flue gas passes. It adopts domestically advanced corrugated furnace and threaded smoke tube to effectively improve the overall thermal efficiency of the boiler.
ZOZEN SZS series boiler is designed with longitudinal double drums and a D-type combustion chamber structure. The combustion chamber adopts the narrow-pitch membrane tube wall with good gas tightness to reduce the heat loss and improve the overall boiler thermal efficiency.
ZOZEN biomass-fired boilers optimize the feeding hopper, grate width and length, rotary speed of grate gear reducer, secondary air place and direction according to different biomass fuel characteristics in order to achieve high combustion efficiency.
| Recommended boilers: | DZL series/SZL series |
| Capacity: | 2-35 tph |
| Working pressure: | 1-2.5 MPa |
| Thermal efficiency: | Above 88% |
| Applicable fuel: | biomass pellets, wood chips, corncobs, saw dust, etc. |
ZOZEN DZL series biomass-fired steam boiler adopts the specially-designed three-pass fire and water tube structure, which completely solves the cracking problem of fire tube plates.
ZOZEN SZL series biomass-fired steam boiler reasonably arranges the furnace arch, furnace wall and furnace heating surface, and adopts the separate air chambers to ensure the complete combustion of different biomass fuels.
ZOZEN coal-fired boilers have wide fuel adaptability. The combustion air system (base) adopts the separate air chambers and a scientific sealing structure. They also have the reasonable air regulation devices to realize the precise air distribution and improve the combustion efficiency.
| Recommended boilers: | DZL series/SZL series |
| Capacity: | 2-35 tph |
| Working pressure: | 1-2.5 MPa |
| Thermal efficiency: | Above 82% |
| Applicable fuel: | Bituminous coal, anthracite, lignite, meagre coal, etc. |
ZOZEN DZL series coal-fired steam boiler reasonably arranges the furnace arch, furnace wall and furnace heating surface, and adopts the high-efficiency heat transfer component - threaded smoke tube. It has sufficient output, whose thermal efficiency is higher than the same products.
ZOZEN SZL series coal-fired steam boiler reasonably selects the corresponding furnace arch and furnace wall according to different coal characteristics. It is also equipped with reasonable air regulation devices to achieve high combustion efficiency.
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