SZS series gas-fired (oil-fired) hot water boiler
Hot water
- Thermal capacity
7-116 MW
- Working pressure
1-1.6 MPa
- Available fuel
Natural gas, coke oven gas, blast furnace gas, carbon black tail gas, biogas, diesel, heavy oil, light oil, crude oil, etc.
- Available industries
Heat supplying, hospital, colleges and universities.
Introduction
SZS series boiler is double drums, longitudinal arranged, "D" type chamber structure. Furnace is on right side and convection tube bundle is on the left. The body is fixed on the basement by middle and both end flexible supports and make the boiler to expand horizontally to sideways. Around furnace is membrane water cooling
tube wall. Furnace and tube bundle is totally separated by the membrane water wall at the left side of the furnace. The back part of bundle is sparse shift structure, front part is aligned structure. Smoke from furnace outlet enters re-burning chamber, bundle area, and then from left front part enters spiral fin coil economizer and condenser, finally discharged to atmosphere through chimney.
- Manhole, Inspection Door
- Manholes at top and bottom of boiler drum, inspection door at rear of boiler
- Easy to open for boiler maintenance and cleaning
- Reliable Water Circulation
- Forced water circulation in the high-temperature zone of the boiler body
- Reliable cooling of heating surfaces, preventing steam locking
- Membrane Wall Structure
- Narrow-spaced tube water-cooled walls for improved airtightness and reduced heat loss
- Sealed welding prevents smoke and water leakage
- Safety Devices
- Equipped with the explosion door and flame sensor
- Water level regulation, alarms (high/low water, over-pressure) etc.
- Combustion Chamber
- Using full membrane water-cooled walls for enhanced heat transfer
- Micro-positive pressure combustion, no smoke, pollution-free operation
- Minimal heat loss from the boiler body
- Adopt high-quality aluminium silicate fibre and refractory mortar for insulation
- Self-supporting steel frame structure, no heat transfer supports between furnace body and outer surfaces
Advantages
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Fully Automatic Safe Operation
Boiler IoT + Remote Control + Expert Management
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Thermal Efficiency≥95%
Water-cooled wall & large furnace
Economizer reduces exhaust temperature -
Easy Maintenance
Advanced control system allows for unattended operation
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Eco-Efficient
Low-nitrogen burner + combustion technology
NOx emissions ≤30mg/Nm³
Parameters
| Model | Rated thermal power (MW) | Rated working pressure (MPa) | Rated output water temperature (℃) | Rated Feeding water temperature (℃) | Maximum transport weight (t) | Maximum transport dimension (m) |
| SZS7-1.0/115/70-Q(Y) | 7.0 | 1.0 | 115 | 70 | 34 | 7.58×3.85×3.75 |
| SZS10.5-1.0/115/70-Q(Y) | 10.5 | 1.0 | 115 | 70 | 38 | 7.91×3.85×3.75 |
| SZS14-1.25/115/70-Q(Y) | 14.0 | 1.25 | 115 | 70 | 36 | 8.31×3.85×3.73 |
| SZS17.5-1.25/115/70-Q(Y) | 17.5 | 1.25 | 115 | 70 | 48 | 9.22×3.90×3.72 |
| SZS21-1.25/130/70-Q(Y) | 21.0 | 1.25 | 130 | 70 | 51 | 10.30×4.23×4.13 |
| SZS29-1.25/130/70-Q(Y) | 29.0 | 1.25 | 130 | 70 | 59 | 11.10×4.32×4.16 |
| SZS46-1.6/130/70-Q(Y) | 46.0 | 1.6 | 130 | 70 | Assembled parts 40/45 | 11.30×4.09×3.89 11.40×2.85×4.20 |
| SZS58-1.6/130/70-Q(Y) | 58.0 | 1.6 | 130 | 70 | Assembled parts 42/48 | 11.40×4.29×4.10 11.4×3.15×4.20 |
| SZS70-1.6/130/70-Q(Y) | 70.0 | 1.6 | 130 | 70 | Bulk items 16 | 12.00×Φ1.66 |
| SZS116-1.6/130/70-Q(Y) | 116.0 | 1.6 | 130 | 70 | Bulk items 20 | 12.50×Φ1.66 |
* The basic parameter table provided is a reference, but ZOZEN Boiler can tailor the boiler device and system to your specific needs. Note that specifications and descriptions may differ from the actual product, and ZOZEN reserves the right to modify them without notice. For additional specifications, please contact us.
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Wuxi ZOZEN Boilers Co., Ltd. has been committed to the research, development and production of industrial boilers since its foundation in 1988. ZOZEN has passed ISO9001:2015 and obtained PRC Grade A Manufacture License of Special Equipment (Boilers), ASME "S" (Power Boilers) and "U" (Pressure Vessels) stamps and many other international certificates of authorization.
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