Products · 9 series · 46 models

Coal-fired Boilers

Rugged chain-grate, corner-tube and CFB boilers built for demanding, continuous loads.

Steam

SZL Series Coal-fired Steam Boiler

Chain grate, double drum, assembled

Factory-assembled chain-grate steam — the proven choice for medium industry.

Capacity

6–35 t/h

Pressure

1.0–2.5 MPa

Efficiency

≈ 84%

Fuel

Bituminous coal, Anthracite

Ships in two assemblies
Efficient membrane wall
Automatic coal feed

View all 7 models(SZL6-1.25-AII … SZL35-1.25-AII)

Model	Rated capacity	Pressure options
SZL6-1.25-AII	6 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL8-1.25-AII	8 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL10-1.25-AII	10 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL15-1.25-AII	15 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL20-1.25-AII	20 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL25-1.25-AII	25 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
SZL35-1.25-AII	35 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Steam

DZL Series Coal-fired Steam Boiler

Chain grate, single drum

Compact single-drum coal steam for smaller continuous process loads.

Capacity

2–10 t/h

Pressure

1.0–2.5 MPa

Efficiency

≈ 82%

Fuel

Bituminous coal

Arch-tube design
Low coal leakage grate
Simple maintenance

View all 5 models(DZL2-1.25-AII … DZL10-1.25-AII)

Model	Rated capacity	Pressure options
DZL2-1.25-AII	2 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
DZL4-1.25-AII	4 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
DZL6-1.25-AII	6 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
DZL8-1.25-AII	8 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa
DZL10-1.25-AII	10 t/h	1.0 / 1.25 / 1.6 / 2.5 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Steam

DHL Series Coal-fired Steam Boiler

Corner tube, chain grate

Large corner-tube coal steam with power-plant pressures for heavy industry.

Capacity

20–75 t/h

Pressure

1.25–5.4 MPa

Fuel

Bituminous coal, Anthracite

Self-supporting frame
High pressure options
Long grate life

View all 6 models(DHL20-1.6-AII … DHL75-1.6-AII)

Model	Rated capacity	Pressure options
DHL20-1.6-AII	20 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa
DHL25-1.6-AII	25 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa
DHL35-1.6-AII	35 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa
DHL45-1.6-AII	45 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa
DHL65-1.6-AII	65 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa
DHL75-1.6-AII	75 t/h	1.25 / 1.6 / 2.5 / 3.82 / 5.4 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Steam

DHX Series CFB Steam Boiler

Circulating fluidized bed

Fluidized-bed combustion burns low-grade coals cleanly and efficiently.

Capacity

20–75 t/h

Pressure

1.25–1.6 MPa

Fuel

Bituminous coal, Lignite, Coal slurry

Fuel-flexible
Low SOx/NOx
High burnout rate

View all 5 models(DHX20-1.25 … DHX75-1.25)

Model	Rated capacity	Pressure options
DHX20-1.25	20 t/h	1.25 / 1.6 MPa
DHX35-1.25	35 t/h	1.25 / 1.6 MPa
DHX45-1.25	45 t/h	1.25 / 1.6 MPa
DHX65-1.25	65 t/h	1.25 / 1.6 MPa
DHX75-1.25	75 t/h	1.25 / 1.6 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Steam

SHX Series CFB Steam Boiler

Circulating fluidized bed, double drum

Mid-size CFB steam with excellent load-following and emissions control.

Capacity

10–35 t/h

Pressure

1.25–2.5 MPa

Fuel

Bituminous coal, Lignite

Wide turndown
In-bed desulfurization
Stable combustion

View all 5 models(SHX10-1.25 … SHX35-1.25)

Model	Rated capacity	Pressure options
SHX10-1.25	10 t/h	1.25 / 1.6 / 2.5 MPa
SHX15-1.25	15 t/h	1.25 / 1.6 / 2.5 MPa
SHX20-1.25	20 t/h	1.25 / 1.6 / 2.5 MPa
SHX25-1.25	25 t/h	1.25 / 1.6 / 2.5 MPa
SHX35-1.25	35 t/h	1.25 / 1.6 / 2.5 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Hot water

SZL Series Coal-fired Hot Water Boiler

Chain grate, double drum

Dependable coal-fired hot water for heating networks and processes.

Capacity

4.2–17.5 MW

Pressure

1.0–1.25 MPa

Fuel

Bituminous coal

Assembled delivery
Efficient heat transfer
Robust grate

View all 5 models(SZL4.2-1.0/115/70-AII … SZL17.5-1.0/115/70-AII)

Model	Rated capacity	Pressure options
SZL4.2-1.0/115/70-AII	4.2 MW	1.0 / 1.25 MPa
SZL7-1.0/115/70-AII	7 MW	1.0 / 1.25 MPa
SZL10.5-1.0/115/70-AII	10.5 MW	1.0 / 1.25 MPa
SZL14-1.0/115/70-AII	14 MW	1.0 / 1.25 MPa
SZL17.5-1.0/115/70-AII	17.5 MW	1.0 / 1.25 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Hot water

DZL Series Coal-fired Hot Water Boiler

Chain grate, single drum

Compact coal hot-water sets for smaller heating duties.

Capacity

1.4–7 MW

Pressure

0.7–1.25 MPa

Fuel

Bituminous coal

Compact footprint
Simple operation
Economical

View all 5 models(DZL1.4-1.0/95/70-AII … DZL7-1.0/95/70-AII)

Model	Rated capacity	Pressure options
DZL1.4-1.0/95/70-AII	1.4 MW	0.7 / 1.0 / 1.25 MPa
DZL2.8-1.0/95/70-AII	2.8 MW	0.7 / 1.0 / 1.25 MPa
DZL4.2-1.0/95/70-AII	4.2 MW	0.7 / 1.0 / 1.25 MPa
DZL5.6-1.0/95/70-AII	5.6 MW	0.7 / 1.0 / 1.25 MPa
DZL7-1.0/95/70-AII	7 MW	0.7 / 1.0 / 1.25 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Hot water

QXX Series CFB Hot Water Boiler

Circulating fluidized bed

District-scale CFB hot water with clean low-grade-coal combustion.

Capacity

14–58 MW

Pressure

1.0–1.25 MPa

Fuel

Bituminous coal, Lignite

Large capacities
Clean combustion
District heating ready

View all 4 models(QXX14-1.25/130/70 … QXX58-1.25/130/70)

Model	Rated capacity	Pressure options
QXX14-1.25/130/70	14 MW	1.0 / 1.25 MPa
QXX29-1.25/130/70	29 MW	1.0 / 1.25 MPa
QXX46-1.25/130/70	46 MW	1.0 / 1.25 MPa
QXX58-1.25/130/70	58 MW	1.0 / 1.25 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

Hot water

SHX Series CFB Hot Water Boiler

Circulating fluidized bed, double drum

Mid-size CFB hot water balancing fuel flexibility and efficiency.

Capacity

7–17.5 MW

Pressure

1.0–1.6 MPa

Fuel

Bituminous coal, Lignite

Fuel-flexible
Low emissions
Stable output

View all 4 models(SHX7-1.0/115/70 … SHX17.5-1.0/115/70)

Model	Rated capacity	Pressure options
SHX7-1.0/115/70	7 MW	1.0 / 1.25 / 1.6 MPa
SHX10.5-1.0/115/70	10.5 MW	1.0 / 1.25 / 1.6 MPa
SHX14-1.0/115/70	14 MW	1.0 / 1.25 / 1.6 MPa
SHX17.5-1.0/115/70	17.5 MW	1.0 / 1.25 / 1.6 MPa

Indicative model list based on the global ZOZEN lineup — final selection and specs are confirmed by our engineers.

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