SZL series coal-fired steam boiler

June 18, 2025

SZL series coal-fired steam boiler

Place of Origin: China
Brand Name: ZOZEN Boiler Co., Ltd.
Certification: ISO, CE, ASME
Model Number: SZL series
Minimum Order Quantity: 1 set
Price: Contact Us for Latest Price
Payment Terms: L/C, T/T
E-mail us: zhulin@zozen.com
WhatsApp:+86 18861589035

Detail Information

  • Output: Steam
  • Fuel Design: Bituminous coal, lean coal, anthracite
  • Steam Capacity: 6 ton, 20 ton, 25 ton, 30 ton, 35 ton
  • Working Pressure: 1.25 MPa, 1.6 MPa,  2.5 MPa
  • Rated Steam Temperature: 194℃, 204℃, 225℃
  • Warranty: 1 Year
  • Structure: horizontal type boiler
  • Application: Heating, chemical, food, tobacco, textile, print and dyeing, feed, medicine, building materials, wine, hospital
  • Design Efficiency: High Effciency 86%

SZL series coal-fired steam boiler Description

The SZL series coal-fired boiler is a chain grate water tube boiler designed by ZOZEN Boiler based on advanced international technology and experience. It features a horizontal double-drum and vertical layout structure. The boiler consists of two major parts: the upper part is the heating surface and the lower part is the combustion equipment. The front of the boiler body is surrounded by water-cooled walls. The upper part is connected with drum and the lower part is connected with the header to form the combustion chamber, absorbing the radiation heat of the furnace. At the rear end, a convection tube bundle is arranged between the upper and lower drums. After the fuel is burned in the furnace, the high-temperature flue gas is swept across the convection tube bundle for the secondary return, then guided to a separately arranged economizer and finally enters the dust collector before being discharged through the chimney.

SZL series coal-fired steam boiler More Details

SZL series coal-fired boiler More Details

SZL series coal-fired steam boiler Advantages

SZL series coal-fired boiler Advantages

SZL series coal-fired steam boiler Working Principal

SZL series coal-fired steam boiler Working Principal

Product Parameters

Model Steam

Capacity

Steam

Pressure

Steam

Temperature

Shipping

Dimension

Heat

Efficiency

SZL6-1.25-AII 6 t/h 1.25 Mpa 194 ºC 6.20×2.80×3.65

7.20×2.60×2.80(m)

>83%
SZL6-1.6-AII 6 t/h 1.6 Mpa 204 ºC

6.20×2.80×3.65

7.20×2.60×2.80(m)

>83%
SZL6-2.5-AII 6 t/h 2.5 Mpa 225 ºC

6.20×2.80×3.65

7.20×2.60×2.80(m)

>83%
SZL8-1.25-AII 8 t/h 1.25 Mpa 194 ºC 7.10×3.52×3.65

7.80×3.10×2.80(m)

>83%
SZL8-1.6-AII 8 t/h 1.6 Mpa 204 ºC

7.10×3.52×3.65

7.80×3.10×2.80(m)

>83%
SZL8-2.5-AII 8 t/h 2.5 Mpa 225 ºC 7.10×3.52×3.65

7.80×3.10×2.80(m)

>83%
SZL10-1.25-AII 10 t/h 1.25 Mpa 194 ºC 7.90×3.52×3.65

8.40×3.10×2.80(m)

>83%
SZL10-1.6-AII 10 t/h 1.6 Mpa 204 ºC

7.90×3.52×3.65

8.40×3.10×2.80(m)

>83%
SZL10-2.5-AII 10 t/h 2.5 Mpa 225 ºC

7.90×3.52×3.65

8.40×3.10×2.80(m)

>83%
SZL12-1.25-AII 12 t/h 1.25 Mpa 194 ºC 8.80×3.52×3.65

8.40×3.10×2.80(m)

>86%
SZL12-1.6-AII 12 t/h 1.6 Mpa 204 ºC

8.80×3.52×3.65

8.40×3.10×2.80(m)

>86%
SZL12-2.5-AII 12 t/h 2.5 Mpa 225 ºC

8.80×3.52×3.65

8.40×3.10×2.80(m)

>86%
SZL15-1.25-AII 15 t/h 1.25 Mpa 194 ºC 9.60×3.20×3.65

8.30×3.30×3.00(m)

>86%
SZL15-1.6-AII 15 t/h 1.6 Mpa 204 ºC

9.60×3.20×3.65

8.30×3.30×3.00(m)

>86%
SZL15-2.5-AII 15 t/h 2.5 Mpa 225 ºC

9.60×3.20×3.65

8.30×3.30×3.00(m)

>86%
SZL20-1.25-AII 20 t/h 1.25 Mpa 194 ºC

10.65×3.28×3.60

9.30×3.81×2.80(m)

>86%
SZL20-1.6-AII 20 t/h 1.6 Mpa 204 ºC

10.65×3.28×3.60

9.30×3.81×2.80(m)

>86%
SZL20-2.5-AII 20 t/h 2.5 Mpa 225 ºC

10.65×3.28×3.60

9.30×3.81×2.80(m)

>86%
SZL25-1.25-AII 25 t/h 1.25 Mpa 194 ºC 11.65×3.80×3.60

9.30×3.81×3.00(m)

>86%
SZL25-1.6-AII 25 t/h 1.6 Mpa 204 ºC

11.65×3.80×3.60

9.30×3.81×3.00(m)

>86%
SZL25-2.5-AII 25 t/h 2.5 Mpa 225 ºC

11.65×3.80×3.60

9.30×3.81×3.00(m)

>86%
SZL30-1.25-AII 30 t/h 1.25 Mpa 194 ºC 10.00×3.36×3.60(m) >86%
SZL30-1.6-AII 30 t/h 1.6 Mpa 204 ºC 10.00×3.36×3.60(m) >86%
SZL30-2.5-AII 30 t/h 2.5 Mpa 225 ºC 10.00×3.36×3.60(m) >86%
SZL35-1.25-AII 35 t/h 1.25 Mpa 194 ºC 10.00×3.65×3.85(m) >86%
SZL35-1.6-AII 35 t/h 1.6 Mpa 204 ºC 10.00×3.65×3.85(m) >86%
SZL35-2.5-AII 35 t/h 2.5 Mpa 225 ºC 10.00×3.65×3.85(m) >86%

ZOZEN Factory

ZOZEN is one of the best modern boiler manufacturers in China, our products include steam boilers, hot water boilers and thermal oil heaters. ZOZEN boiler is located in Wuxi, covers 150 thousand square meters of production area, equipped with first-class production equipment, passed the ISO9001:2015 international quality system certification. The company gained the “S” and “U” steel seal from ASME of US.

Introduction about ZOZEN Boiler

Pre-sale service:

  • We help customer choose the best boiler model according to different requirements of various industry. Before delivery we will provide foundation drawing, layout drawing, boiler room layout, etc.

In-sale service:

  • We keep 24 hours online and keep close contacts during the production process to ensure on time delivery with perfect finished product.

After-sale service:

  • provide full range of original spare parts.
  • Engineers abroad installation and commissioning service is available.
  • Our engineers will held a training for boiler workers to ensure the safe operation.
  • Free maintenance and repair for one year and lifelong service.