Introduction

Oil Gas Fired Thermal Oil Boiler
Horizontal or Vertical type, Automatic thermal oil boiler with burner (brand of baltur, riello, unigas, ecoflame, oilon, etc.)
Structure:
YY(Q)W thermal oil boiler adopts a horizontal chamber-fired three-coil structure, and the body is composed of an outer coil, a middle coil and an inner coil.
Whole System
including oil heater boiler proper, burner, control cabinet, oil expansion tank, oil storage tank, oil circulating pumps, economizer, chimney, pipes, valves, gauges, etc.
Advantages of YYQW thermal oil boiler
Energy efficient
1. Close packed disc tube heating surface, heating surface layout adequacy, multi-backhaul heat exchanger.
2. Furnace size match with burning flame, radiation heat transfer efficiency.
3. Positive pressure combustin, so that combustion efficiency is greatly improved.
4. Boiler quality insulation materials and special construction technology, less heat loss, ther exhaust gas temperature is low, the high thermal efficiency of ther boiler.
5. By fully rational surface layout, boiler warming fast start.
Safe and reliable
1. Close-packed disc tube heating surface heating surface arrangement sufficient to reduce the tube sheet heat load, conducting oil safer to use.
2. The boiler operation monitor remote and nearly complete automatic control and monitoring instrumentation, safe, reliable, easy to operate
Easy to install
Boiler full assembled, compact structure, small footprint, is extremely easy to install and flexible, as long as the boiler is located based on.
Vertical Option:
Difference in appearance, vertical type boiler help saving boiler roon space, smaller occupy area.
Yuanda Company Thermal Oil Boiler
1. Fuel applicable: Electric, Gas, Lpg, Diesel, Heavy Oil, Coal, Wood, Biomass, Agro Waste.
2. Application industry: Cement industry, Chemical/petrochemical industry, Polymer industry, Textile industry, Leather industry, Oil industry, Glue industry, Food processing industry, Metal industry, Tyre industry, Bitumen & Tar processing industry, Paper mills industry, Wood industry, Soap Detergent industry, Pharmaceutical industry, Paint Varnish industry Packing Packaging industry, Glass industry, Industrial Laundries
Boiler Features

Compace coil tube structure
Horizontal chamber combustion three coil structure, its body is composed of outer coil, middle coil, inner coil and rear coil.
Wet back sturcture
Unique design for heating surface in end of boiler, somke chamber wet back sturcuture, make lower heat loss, improve thermal efficiency 2%-3%.
External oil tank
The design of the external oil collecting tank prevents the slow flow of grease carbonization and avoids accidents.
100% safety runing & best insulation
Double layer 12cm aluminum silicate insulation. Sealed tightly to avoid air leaks. Over oil temperature/over smoke temperature/low flow alarm.Technical Parameter

| YYQ(W) Series Thermal Oil Boiler Technical Parameter | |||||||
| Model | Rated power(KW) | Rated pressure (Mpa) | Thermal oil temperature(℃) | Thermal efficiency(%) | Fuel comsumption | max transportation weigh(t) | |
| light diesel oil(kg/h) | natural gas(Nm³/h) | ||||||
| YY(Q)W-700Y(Q) | 700 | 0.8/1.0 | 250-320 | >96 | 61.3 | 73.6 | 3 |
| YY(Q)W-1400Y(Q) | 1400 | 0.8/1.0 | 250-320 | >96 | 122.6 | 147.1 | 4 |
| YY(Q)W-3000Y(Q) | 3000 | 0.8/1.0 | 250-320 | >96 | 249.2 | 296.4 | 10 |
| YY(Q)W-3500Y(Q) | 3500 | 0.8/1.0 | 250-320 | >96 | 305.6 | 366.8 | 10.2 |
| YY(Q)W-4200Y(Q) | 4200 | 0.8/1.0 | 250-320 | >96 | 367.5 | 436.6 | 16.5 |
| YY(Q)W-5600Y(Q) | 5600 | 0.8/1.0 | 250-320 | >96 | 489.6 | 586.8 | 23.6 |
| YY(Q)W-7000Y(Q) | 7000 | 0.8/1.0 | 250-320 | >96 | 612.3 | 726.9 | 28 |
| Note: Parameter is for reference only, if any changes should follow the factory technical data. | |||||||
Supply Boiler & Accessories

About us

Yuanda Products
steam boiler, steam generator, hot water boiler, thermal oil heater boiler, hot air furnace, waste incinerator.
Various Structure
vertical, horizontal, fire tube boiler, water tube boiler, coils heater boiler, water membrane wall structure, sing drum, double drum...
Application
widely in all industries productions heating drying process, building central heating system, electricity generation.
About us
Yuanda Boiler Company established in 1956, qualified by ISO, CE, ASME, EAC, DOSH, and CRN, ensuring safety, reliability, and quality.
Yuanda Service

We provide tailored boiler solutions. Our team shares catalogues, evaluates your working conditions, and recommends the most suitable model for your needs.
✅ Design & Manufacture
Customized boiler design and system diagram. High-standard manufacturing with strict quality control, certified by ISO, CE, ASME, and more.
✅ Boiler Foundation Preparation
Complete foundation drawings, piping layout, and operation documents to ensure smooth installation and operation.
✅ Engineer Service
On-site guidance for installation and commissioning. Professional training for operators to ensure safe and efficient boiler operation.
✅ After-Sales Support
24/7 online technical assistance, spare parts supply, and regular maintenance services — ensuring long-term reliable performance.
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