Products · 7 series · 39 models

Biomass-fired Boilers

Renewable heat from rice husk, wood, palm shell and agricultural residues.

Steam

SZL Series Biomass Steam Boiler

Chain grate, double drum

The go-to biomass steam boiler for agri-processing and manufacturing.

Capacity

6–35 t/h

Pressure

1.0–2.5 MPa

Efficiency

≈ 82%

Fuel

Rice husk, Wood chips, Palm shell

Anti-slagging furnace
Fuel-flexible grate
Assembled delivery

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

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

Chain grate, single drum

Compact biomass steam for small and mid-size plants.

Capacity

2–10 t/h

Pressure

1.0–2.5 MPa

Fuel

Wood pellets, Rice husk

Compact single drum
Proven arch-tube design
Low maintenance

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

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

DZL Biomass Horizontal Steam Boiler

Horizontal water-fire tube hybrid

Larger-capacity biomass steam in a horizontal package layout.

Capacity

10–40 t/h

Pressure

1.25–2.5 MPa

Fuel

Rice husk, Wood chips, Bagasse

Large furnace volume
High burnout
Bigger capacities

View all 6 models(DZL10-1.6-SW … DZL40-1.6-SW)

Model	Rated capacity	Pressure options
DZL10-1.6-SW	10 t/h	1.25 / 1.6 / 2.5 MPa
DZL15-1.6-SW	15 t/h	1.25 / 1.6 / 2.5 MPa
DZL20-1.6-SW	20 t/h	1.25 / 1.6 / 2.5 MPa
DZL25-1.6-SW	25 t/h	1.25 / 1.6 / 2.5 MPa
DZL30-1.6-SW	30 t/h	1.25 / 1.6 / 2.5 MPa
DZL40-1.6-SW	40 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.

Steam

DZW Reciprocating Grate Biomass Boiler

Reciprocating grate

A moving grate that handles difficult, high-moisture agricultural fuels.

Capacity

15–35 t/h

Pressure

1.25–2.5 MPa

Fuel

Straw, Bagasse, Palm EFB, Wood waste

Handles wet fuels
Self-cleaning grate
Stable combustion

View all 5 models(DZW15-1.6-SW … DZW35-1.6-SW)

Model	Rated capacity	Pressure options
DZW15-1.6-SW	15 t/h	1.25 / 1.6 / 2.5 MPa
DZW20-1.6-SW	20 t/h	1.25 / 1.6 / 2.5 MPa
DZW25-1.6-SW	25 t/h	1.25 / 1.6 / 2.5 MPa
DZW30-1.6-SW	30 t/h	1.25 / 1.6 / 2.5 MPa
DZW35-1.6-SW	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.

Steam

DHL Series Biomass Steam Boiler

Corner tube

Utility-scale biomass steam, up to power-generation pressures.

Capacity

20–75 t/h

Pressure

1.25–5.4 MPa

Fuel

Rice husk, Wood chips

Power-gen capable
Membrane wall furnace
High availability

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

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

Hot water

DZL Series Biomass Hot Water Boiler

Chain grate, single drum

Renewable hot water for heating and light process duty.

Capacity

1.4–7 MW

Pressure

1.0–1.6 MPa

Fuel

Wood pellets, Rice husk

Renewable heat
Compact
Automatic feeding

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

Model	Rated capacity	Pressure options
DZL1.4-1.0/95/70-SW	1.4 MW	1.0 / 1.25 / 1.6 MPa
DZL2.8-1.0/95/70-SW	2.8 MW	1.0 / 1.25 / 1.6 MPa
DZL4.2-1.0/95/70-SW	4.2 MW	1.0 / 1.25 / 1.6 MPa
DZL5.6-1.0/95/70-SW	5.6 MW	1.0 / 1.25 / 1.6 MPa
DZL7-1.0/95/70-SW	7 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.

Hot water

SZL Series Biomass Hot Water Boiler

Chain grate, double drum

Larger biomass hot-water sets for district and campus heating.

Capacity

4.2–17.5 MW

Pressure

1.0–1.25 MPa

Fuel

Rice husk, Wood chips

Large capacities
Efficient grate
Low fuel cost

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

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

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