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YY(Q)W Series Gas Oil Fired Thermal Oil Heater

  • Rated Heating Capacity: 0.12–14 MW (100,000–12,000,000 kcal/h)
  • Operating Temperature: Above 300°C
  • Operating Pressure: 1.1 MPa
  • Thermal Efficiency: ≥ 95%
  • Design Service Life: ≥ 20 Years
  • Applicable Fuel: Natural Gas, LPG, Diesel, Heavy Oil
  • Heat Transfer Medium: Thermal Oil
  • Combustion Control: Automatic Proportional Combustion

Product Overview

The YY(Q)W Series Gas/Oil-Fired Thermal Oil Heater is designed to provide reliable, high-temperature process heating for industrial applications requiring precise temperature control and efficient thermal energy delivery. Featuring a horizontal, three-pass flue gas structure and a multi-coil heat transfer system, it offers excellent heat transfer performance and accommodates thermal expansion during operation. An optional tail-mounted air preheater recovers exhaust heat to improve energy utilization and reduce fuel consumption. Equipped with an intelligent automatic control system, the heater supports proportional combustion, precise thermal oil temperature regulation, and comprehensive safety interlocks. Its compact structure, dependable operation, and design service life of ≥20 years make it a suitable solution for continuous industrial heating processes.

yyqw-series-gas-oil-fired-thermal-oil-heater-01-factory-floor-thermal-oil-heater

Product Structure Drawing

yyqw-series-gas-oil-fired-thermal-oil-heater-02-boiler-engineering-section-drawing

Key Advantages

01. High-Temperature, Low-Pressure Heating

Delivers thermal energy at temperatures above 300°C while operating at a pressure below 1.0 MPa, making it suitable for industrial processes requiring high-temperature heat without relying on high-pressure steam.

02. Patented Three-Pass Multi-Coil Structure

Features a horizontal three-pass flue gas layout with closely arranged inner and outer coils. The multi-coil design accommodates thermal expansion and helps distribute heat more evenly, reducing localized thermal stress.

03. ≥95% Thermal Efficiency

An optimized flue gas passage and optional tail-mounted air preheater recover exhaust heat and preheat combustion air, improving energy utilization and helping reduce fuel consumption.

04. ±1°C Intelligent Temperature Control

Uses Siemens or Delixi electrical components, with an optional HMI touch screen. Automatic proportional combustion and intelligent control help maintain thermal oil temperature within ±1°C under suitable operating conditions.

05. Integrated Safety & Sealing Design

Features a rear-mounted, automatic-reset explosion-proof door and a multi-stage labyrinth sealing structure. Combined with automatic combustion control and safety interlocks, these features support safe operation and help prevent flue gas leakage.

06. Compact Design & Reduced Installation Space

The integrated cylindrical coil structure and optimized equipment layout reduce the required installation footprint, helping lower boiler room space requirements and initial infrastructure costs.

Typical Applications

Food & Beverage Processing

Cooking、Pasteurization、Sterilization、Cleaning、Evaporation、Drying

Textile Manufacturing

Dyeing、Bleaching、Washing、Sizing、Printing、Drying、Finishing

Chemical Processing

Reactor Heating、Distillation、 Evaporation、Drying、Stripping、Tank Heating 、Cleaning

Pulp & Paper

Pulp Cooking、Evaporation、Paper Drying、Starch Preparation、Coating、Tank Heating、Cleaning

Rubber & Plastics

Rubber Vulcanization、Compounding、Mold Heating、Process Water Heating、Equipment Cleaning、Drying

District Heating

Space Heating、Domestic Hot Water、Campus Heating、Public Building Heating、Industrial Heat Supply、Peak-Load Support

Technical Specifications

termmodelYY(Q)W-120(Q)YY(Q)W-240(Q)YY(Q)W-350(Q)YY(Q)W-500(Q)YY(Q)W-700(Q)YY(Q)W-1000(Q)YY(Q)W-1200(Q)YY(Q)W-1400(Q)YY(Q)W-1800(Q)YY(Q)W-2100(Q)YY(Q)W-2400(Q)YY(Q)W-3000(Q)YY(Q)W-3500(Q)YY(Q)W-4700(Q)YY(Q)W-6000(Q)YY(Q)W-7000(Q)YY(Q)W-10000Y(Q)
Rated thermal powerKW1202403505007001000120014001800210024003000350047006000700010000
Design pressureMPa1.1
Medium outlet temperature°C≤ 350
Heating aream²9.814.521.324405064.678.58794.5106.2163205.2254.3325410520
Fuellight oil/LNG/CGlight oil/heavy oil/LNG/CG
FuelLight oilKg/h1225375269100120140180210244300350470580680970
LNGNm³/h15304463831201451702202602963654255707008101160
Gas pressureLNGmbar30–10050–15050–200100–300
The total electric power equipmentLight oil firedKW48101018262626464646667898115115132
LNG firedKW48101018252626464646647295110110128
Furnace oil contentm³0.10.150.250.30.50.80.851.11.21.71.93.53.84.26.2710.5
Boiler dimensionsmm1600 × 1020 × 15201930 × 1230 × 18682100 × 1390 × 20552200 × 1390 × 20553240 × 1470 × 22603300 × 1670 × 24863830 × 1770 × 25874145 × 1900 × 27864600 × 2000 × 30455020 × 2050 × 30805080 × 2200 × 31805983 × 2420 × 34046555 × 2470 × 36347285 × 2570 × 37607800 × 3050 × 38008200 × 3050 × 380010000 × 3500 × 4000
Boiler transport weightT1.522.5833.755.86.77.88.89.815.517.821.52527.532
Oil inletDN456580100125150200250300
Oil outletDN456580100125150200250300
Expansion tankm³0.51.522.5356
Storage tankm³12.54581015
Chimney ømm200280350400500600700800

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Project Requirements

  • Steam Boilers
  • Industrial Hot Water Boilers
  • Thermal Oil Heaters
  • Industrial Hot Air Furnaces
  • Pressure Vessels & Boiler Components

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