Products · 5 series · 55 models

Thermal Oil Heaters

High process temperatures at low pressure — including molten-salt systems.

Thermal oil

YQ(Y)W Gas/Oil Thermal Oil Heater

Horizontal, coil type

High process temperatures at low pressure — precise, safe and efficient.

Capacity

1,400–14,000 kW

Pressure

0.8–1.0 MPa · up to 320 °C

Fuel

Natural gas, Diesel, Heavy oil

Up to 320 °C at low pressure
Precise temperature control
Compact horizontal layout

View all 14 models(YQW-1400Q … YQW-14000Q)

Model	Rated capacity	Pressure options
YQW-1400Q	1400 kW	0.8 / 1.0 MPa
YQW-1800Q	1800 kW	0.8 / 1.0 MPa
YQW-2400Q	2400 kW	0.8 / 1.0 MPa
YQW-2800Q	2800 kW	0.8 / 1.0 MPa
YQW-3500Q	3500 kW	0.8 / 1.0 MPa
YQW-4200Q	4200 kW	0.8 / 1.0 MPa
YQW-4700Q	4700 kW	0.8 / 1.0 MPa
YQW-5800Q	5800 kW	0.8 / 1.0 MPa
YQW-7000Q	7000 kW	0.8 / 1.0 MPa
YQW-8200Q	8200 kW	0.8 / 1.0 MPa
YQW-9300Q	9300 kW	0.8 / 1.0 MPa
YQW-10500Q	10500 kW	0.8 / 1.0 MPa
YQW-11600Q	11600 kW	0.8 / 1.0 MPa
YQW-14000Q	14000 kW	0.8 / 1.0 MPa

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

Thermal oil

YQ(Y)L Gas/Oil Thermal Oil Heater

Vertical, coil type

Large vertical thermal-oil duty for demanding continuous processes.

Capacity

7,000–29,200 kW

Pressure

0.8–1.0 MPa · up to 320 °C

Fuel

Natural gas, Diesel, Heavy oil

Large capacities
Vertical footprint
Stable oil film temperature

View all 10 models(YQL-7000Q … YQL-29200Q)

Model	Rated capacity	Pressure options
YQL-7000Q	7000 kW	0.8 / 1.0 MPa
YQL-8200Q	8200 kW	0.8 / 1.0 MPa
YQL-9300Q	9300 kW	0.8 / 1.0 MPa
YQL-10500Q	10500 kW	0.8 / 1.0 MPa
YQL-11600Q	11600 kW	0.8 / 1.0 MPa
YQL-14000Q	14000 kW	0.8 / 1.0 MPa
YQL-17500Q	17500 kW	0.8 / 1.0 MPa
YQL-21000Q	21000 kW	0.8 / 1.0 MPa
YQL-24500Q	24500 kW	0.8 / 1.0 MPa
YQL-29200Q	29200 kW	0.8 / 1.0 MPa

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

Thermal oil

YLW Coal-fired Thermal Oil Heater

Horizontal, chain grate

Economical high-temperature heat from coal, with automatic grate firing.

Capacity

2,800–29,200 kW

Pressure

0.8–1.0 MPa · up to 320 °C

Fuel

Bituminous coal

Low running cost
Chain-grate automation
Proven coil design

View all 10 models(YLW-2800MA … YLW-29200MA)

Model	Rated capacity	Pressure options
YLW-2800MA	2800 kW	0.8 / 1.0 MPa
YLW-4200MA	4200 kW	0.8 / 1.0 MPa
YLW-5800MA	5800 kW	0.8 / 1.0 MPa
YLW-7000MA	7000 kW	0.8 / 1.0 MPa
YLW-9300MA	9300 kW	0.8 / 1.0 MPa
YLW-10500MA	10500 kW	0.8 / 1.0 MPa
YLW-14000MA	14000 kW	0.8 / 1.0 MPa
YLW-17500MA	17500 kW	0.8 / 1.0 MPa
YLW-21000MA	21000 kW	0.8 / 1.0 MPa
YLW-29200MA	29200 kW	0.8 / 1.0 MPa

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

Thermal oil

YLW Biomass-fired Thermal Oil Heater

Horizontal, chain grate

Renewable high-temperature process heat from agricultural residues.

Capacity

2,800–29,200 kW

Pressure

0.8–1.0 MPa · up to 320 °C

Fuel

Wood chips, Rice husk, Palm shell

Renewable fuel
High temperature, low pressure
Robust grate

View all 10 models(YLW-2800S … YLW-29200S)

Model	Rated capacity	Pressure options
YLW-2800S	2800 kW	0.8 / 1.0 MPa
YLW-4200S	4200 kW	0.8 / 1.0 MPa
YLW-5800S	5800 kW	0.8 / 1.0 MPa
YLW-7000S	7000 kW	0.8 / 1.0 MPa
YLW-9300S	9300 kW	0.8 / 1.0 MPa
YLW-10500S	10500 kW	0.8 / 1.0 MPa
YLW-14000S	14000 kW	0.8 / 1.0 MPa
YLW-17500S	17500 kW	0.8 / 1.0 MPa
YLW-21000S	21000 kW	0.8 / 1.0 MPa
YLW-29200S	29200 kW	0.8 / 1.0 MPa

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

Molten salt

RYQ Series Molten Salt Heater

Molten salt furnace

Ultra-high temperatures to 550 °C for chemical and alumina processes.

Capacity

1,200–35,000 kW

Pressure

0.8–1.6 MPa · up to 550 °C

Fuel

Natural gas, Diesel, Coal

Up to 550 °C
Chemical-industry proven
Precise control

View all 11 models(RYQ-1200 … RYQ-35000)

Model	Rated capacity	Pressure options
RYQ-1200	1200 kW	0.8 / 1.0 / 1.6 MPa
RYQ-2400	2400 kW	0.8 / 1.0 / 1.6 MPa
RYQ-3500	3500 kW	0.8 / 1.0 / 1.6 MPa
RYQ-5800	5800 kW	0.8 / 1.0 / 1.6 MPa
RYQ-7000	7000 kW	0.8 / 1.0 / 1.6 MPa
RYQ-10500	10500 kW	0.8 / 1.0 / 1.6 MPa
RYQ-14000	14000 kW	0.8 / 1.0 / 1.6 MPa
RYQ-17500	17500 kW	0.8 / 1.0 / 1.6 MPa
RYQ-21000	21000 kW	0.8 / 1.0 / 1.6 MPa
RYQ-29200	29200 kW	0.8 / 1.0 / 1.6 MPa
RYQ-35000	35000 kW	0.8 / 1.0 / 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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