Electric Liquid & Process Fluid Heaters

Introduction

Xiangyuan designs and manufactures electric liquid and process fluid heaters for thermal oil, water, hydraulic oil, crude oil, heavy oil, wastewater, chemical liquids, and marine fluid systems.

Our liquid heating products can be supplied as inline heaters, flanged immersion heaters, tank heaters, circulation heaters, skid-mounted heating units, or complete electric heating systems with integrated temperature control and safety protection.

Each heater can be customized according to fluid type, viscosity, flow rate, inlet and outlet temperature, operating pressure, material compatibility, installation layout, and control requirements.

Why Choose Our Electric Liquid & Process Fluid Heaters

✔ Custom-engineered for thermal oil, water, hydraulic oil, crude oil, heavy oil, wastewater, chemical liquids, and marine fluids
✔ Stable temperature control for continuous liquid and process fluid heating
✔ Inline, immersion, tank-mounted, circulation, vertical, horizontal, and skid-mounted configurations
✔ Material options for high-temperature, high-pressure, corrosive, and viscous fluid applications
✔ Integrated temperature control, sensors, pumps, control cabinets, and safety interlocks available
✔ Explosion-proof design available for hazardous-area liquid heating projects
✔ Custom heating power, voltage, flange, connection, and control logic according to project requirements

Typical Technical Parameters

The following parameters are for reference only. Final heater design can be customized according to fluid type, viscosity, flow rate, inlet and outlet temperature, pressure, installation method, material compatibility, and control requirements.

ParameterTypical Range / Options
Heating MediumThermal oil, hydraulic oil, water, process liquid, crude oil, heavy oil, wastewater, chemical liquid, marine fresh water, and marine lube oil
Heating Power2 kW - 2000 kW, customized according to process requirements
Outlet Temperature0°C - 350°C for general liquid heating; higher-temperature designs available for thermal oil systems
Operating PressureAtmospheric pressure to 1.0 - 2.5 MPa; higher-pressure designs available upon request
Heater MaterialsCarbon steel, SS304, SS316L, SS310S, Incoloy 800/840, nickel-based alloys, or selected corrosion-resistant materials
Installation TypeInline, flanged, immersion, tank-mounted, vertical, horizontal, circulation, or skid-mounted
Temperature ControlPID control, SCR/thyristor control, staged power control, or PLC control optional
Safety ProtectionOver-temperature protection, low-level protection, low-flow protection, pressure monitoring, leakage protection, and system interlock
Explosion-Proof OptionExplosion-proof design available for hazardous-area liquid heating applications
Custom DesignFluid viscosity, flow rate, pressure, temperature rise, material, voltage, and control logic can be customized

Engineering, Safety & Documentation

Each liquid heater can be engineered according to actual fluid properties, viscosity, operating temperature, pressure, installation layout, control method, and safety requirements.

Fluid Compatibility Review

Heater materials, sealing structure, and heating element design can be selected according to fluid type, viscosity, corrosion level, and operating temperature.

Heating Element & Watt Density

Heating element surface load and layout can be designed to support stable heat transfer and reduce overheating risk for different liquids.

Flow, Pressure & Safety Protection

Flow rate, pressure drop, low-flow protection, over-temperature protection, and pressure monitoring can be reviewed according to process conditions.

Project Documentation

General arrangement drawings, wiring diagrams, inspection records, and operation guidance can be provided according to project requirements.

Typical Process Fluid Heating Applications

Xiangyuan electric liquid and process fluid heaters are used for thermal oil, water, hydraulic oil, crude oil, heavy oil, chemical liquid, wastewater, marine fluid, and other industrial fluid heating applications.

Thermal Oil Systems

Electric thermal oil heaters and heat transfer oil systems for reactors, dryers, circulation loops, and high-temperature process heating.

Inline Fluid Heating

Electric inline liquid heaters and circulation heaters for water, process fluids, hydraulic oil, thermal oil, and closed-loop pipeline systems.

Crude Oil & Heavy Oil Heating

Liquid heating systems for crude oil, heavy oil, fuel oil, viscosity reduction, oil transfer, pipeline heating, and storage heating.

Tank & Vessel Heating

Electric tank heaters and flanged immersion heaters for storage tanks, process vessels, water tanks, oil tanks, and chemical tanks.

Chemical Liquid Heating

Custom liquid heaters for chemical solutions, corrosive liquids, aggressive process fluids, acid and alkaline media, and compatible materials.

Wastewater Treatment

Electric wastewater heaters for industrial effluent systems, treatment liquids, sludge processes, temperature maintenance, and environmental applications.

Marine Fluid Heating

Marine electric heaters for fresh water, lube oil, fuel oil, offshore process fluids, compact installation, and shipboard heating systems.

Lubrication & Hydraulic Systems

Electric oil heaters for hydraulic stations, lubrication systems, industrial machinery, low-temperature startup, and oil viscosity control.

Electric Thermal Oil Heater

Description

Designed for heating and circulating thermal oil in industrial process applications. Available as a standalone electric heater or a complete skid-mounted heating system with integrated controls, pumps, expansion tank, and thermal fluid circulation components.

Applications

Thermal oil heating systems, chemical processing, reactor heating, drying equipment, asphalt and bitumen heating, and high-temperature process heat transfer systems.

Typical Design Options

Medium: Thermal oil and heat transfer oil
Structure: Inline heater, circulation heater, or skid-mounted heating unit
Control: PID temperature control, SCR/thyristor control, expansion tank and pump system optional
Materials: Carbon steel, stainless steel, or high-temperature alloy materials
Customization: Heating power, oil flow rate, outlet temperature, pressure, pump, tank, and control cabinet

Electric Inline Process Liquid Heater

Description

Designed for continuous inline heating of water, thermal oil, hydraulic oil, crude oil, heavy oil, chemical liquids, wastewater, and other process fluids in closed pipeline or circulation systems.

Also called an electric inline liquid heater or electric pipeline liquid heater, this unit is installed directly in the liquid pipeline or circulation loop to heat the fluid as it flows through the heating chamber.

The heater can be customized with flanged connections, thermal insulation, temperature sensors, control cabinets, pressure monitoring, and material options according to fluid type, viscosity, flow rate, operating pressure, inlet and outlet temperature, and installation requirements.

Applications

Pipeline liquid heating, process fluid preheating, circulation heating, thermal oil heating, hydraulic oil heating, crude oil and heavy oil heating, chemical liquid heating, wastewater temperature maintenance, and industrial fluid process heating.

Typical Design Options

Medium: Water, thermal oil, hydraulic oil, crude oil, heavy oil, chemical liquid, wastewater, and other process fluids
Structure: Inline pipeline heater, flanged heating chamber, vertical or horizontal installation, and circulation loop design
Control: Outlet temperature control, over-temperature protection, low-flow protection, pressure monitoring, and control cabinet optional
Materials: Carbon steel, SS304, SS316L, Incoloy, or corrosion-resistant materials selected by fluid type
Customization: Fluid type, viscosity, flow rate, operating pressure, temperature rise, flange size, installation direction, and control method

Electric Inline Water Heater

Description

Designed for continuous heating of process water, circulating water, and cleaning fluids in pipelines and industrial systems. Custom power, material, pressure, and temperature options are available.

Applications

Shipboard fresh water systems, auxiliary equipment, offshore platforms, vessel service water heating, and marine process heating.

Typical Design Options

Medium: Marine fresh water and shipboard water systems
Application: Shipboard fresh water heating, auxiliary systems, and marine process heating
Structure: Compact flanged, tank-mounted, or inline heater design
Materials: Stainless steel or marine-compatible materials
Customization: Vessel requirement, water flow rate, heating power, voltage, installation space, and control method

Electric Tank Heater

Description

Designed for maintaining and controlling liquid temperatures in storage tanks, process vessels, and industrial containers. Tank heaters can be customized according to tank size, liquid properties, operating temperature, and installation method.

Applications

Storage tank heating, freeze protection, viscosity control, process liquid temperature maintenance, water tanks, oil tanks, and chemical storage vessels.

Typical Design Options

Medium: Water, oil, chemical liquid, storage liquid, and process fluid
Installation: Side-mounted, bottom-mounted, flanged immersion, or custom tank installation
Control: Liquid temperature control, low-level protection, over-temperature protection, and control cabinet optional
Materials: SS304, SS316L, Incoloy, or corrosion-resistant sheath materials
Customization: Tank size, liquid volume, heating power, immersion length, flange size, and temperature requirement
Electric hydraulic oil heater for hydraulic station and lubrication system

Electric Hydraulic Oil Heater

Description

Designed for heating hydraulic oil and maintaining proper oil viscosity to support stable operation of hydraulic systems and industrial equipment, especially during startup or low-temperature operation.

Applications

Hydraulic stations, lubrication systems, industrial machinery, power units, equipment startup heating, and low-temperature oil preheating.

Typical Design Options

Medium: Hydraulic oil and lubrication oil
Application: Hydraulic stations, lubrication systems, industrial machinery, and low-temperature oil preheating
Control: Oil temperature control, low-level protection, and over-temperature protection optional
Materials: Carbon steel, stainless steel, or oil-compatible heating element materials
Customization: Oil viscosity, tank size, heating power, voltage, installation method, and control requirement

Corrosive Chemical Liquid Heater

Description

Designed for heating corrosive chemicals and aggressive process fluids using corrosion-resistant wetted materials, suitable sealing structure, and custom-engineered heating element arrangements.

Applications

Acid heating, alkaline solutions, electroplating systems, specialty chemical production, chemical dosing systems, and aggressive process fluid heating.

Typical Design Options

Medium: Acidic liquid, alkaline liquid, corrosive chemical liquid, and aggressive process fluid
Design Focus: Corrosion resistance, sealing reliability, material compatibility, and safe operation
Materials: SS316L, special alloy, nickel-based alloy, PTFE-coated options, or selected corrosion-resistant materials
Protection: Over-temperature protection, leakage protection, liquid level protection, and interlock control optional
Customization: Chemical composition, corrosion level, temperature, concentration, flow rate, and installation layout
Electric wastewater heater for industrial treatment and temperature control

Electric Wastewater Heater

Description

Designed for industrial wastewater heating and process temperature maintenance. The design can consider wastewater composition, suspended solids, fouling tendency, and maintenance access requirements.

Applications

Wastewater treatment plants, industrial effluent systems, sludge treatment processes, environmental protection systems, and process wastewater temperature control.

Typical Design Options

Medium: Industrial wastewater, process wastewater, and treatment liquid
Application: Wastewater treatment, process temperature maintenance, and environmental protection systems
Structure: Inline, tank-mounted, circulation, or customized heating unit
Protection: Low-level protection, over-temperature protection, anti-scaling design, and maintenance access optional
Customization: Wastewater composition, suspended solids, flow rate, temperature rise, tank size, and material requirement

Electric Crude Oil Heater

Description

Designed for heating crude oil and oilfield production fluids to reduce viscosity, improve flow characteristics, and support pipeline, storage, separation, and processing operations.

Applications

Oil production facilities, crude oil transportation systems, storage terminals, separation processes, oilfield process heating, and refinery support systems.

Typical Design Options

Medium: Crude oil and oilfield production fluid
Application: Oil preheating, viscosity reduction, pipeline heating, and oilfield process heating
Structure: Inline heater, circulation heater, skid-mounted heater, or integrated heating system
Control: Outlet temperature control, pressure monitoring, low-flow protection, and system interlock
Customization: Oil viscosity, flow rate, inlet temperature, outlet temperature, pressure, heating power, and installation site

Electric Heavy Oil Heater

Description

Designed for heating heavy oil, fuel oil, and high-viscosity oils to improve flowability, transfer efficiency, pumping performance, and process stability.

Applications

Heavy fuel oil systems, oil storage facilities, fuel transfer systems, industrial burners, marine fuel systems, and petrochemical processing operations.

Typical Design Options

Medium: Heavy oil, fuel oil, and high-viscosity oil
Application: Viscosity reduction, pumping support, storage heating, and process oil heating
Structure: Inline, tank-mounted, circulation, or skid-mounted design
Materials: Carbon steel, stainless steel, or selected oil-compatible materials
Customization: Oil viscosity, heating temperature, flow rate, pressure, tank size, control method, and safety protection
Marine electric lube oil heater for ship engine lubrication systems

Marine Lube Oil Heater

Description

Designed for heating marine lube oil and lubrication oil to maintain suitable viscosity and protect critical marine engines, auxiliary machinery, and lubrication systems.

Applications

Marine engine lubrication systems, auxiliary machinery, oil preheating, shipboard lubrication systems, and offshore equipment maintenance heating.

Typical Design Options

Medium: Marine lube oil and lubrication oil
Application: Marine engine lubrication systems, auxiliary machinery, and oil preheating
Structure: Flanged immersion, tank-mounted, or circulation heater design
Control: Oil temperature control, low-level protection, over-temperature protection, and control cabinet optional
Customization: Oil viscosity, tank size, heating power, voltage, flange size, and marine installation requirements
Marine explosion-proof electric fluid heater for hazardous-area shipboard applications

Marine Explosion-Proof Heater

Description

Designed for safe liquid heating in hazardous marine and offshore environments. Explosion-proof heater body, terminal box, control cabinet, and safety interlock options can be configured according to project requirements.

Applications

Shipboard hazardous areas, offshore platforms, marine oil or water systems, process fluid heating, and explosion-proof marine heating packages.

Typical Design Options

Medium: Marine oil, water, or process fluid in hazardous-area applications
Application: Shipboard hazardous areas, offshore platforms, and marine process heating
Structure: Explosion-proof heater body, terminal box, control cabinet, or integrated heating system
Protection: Over-temperature protection, pressure monitoring, leakage protection, and interlock control optional
Customization: Medium type, hazardous area requirement, voltage, heating power, material, and installation layout

Electric Pipeline Heater

Description

Designed for continuous inline heating of liquid and process-fluid streams in closed pipelines, with custom flow, pressure, temperature and material requirements.

Applications

Industrial water, thermal oil, hydraulic oil, chemical-liquid and other process-fluid pipelines and circulation loops.

Typical Design Options

Medium: Water, thermal oil, hydraulic oil, chemical liquid and selected process fluids
Installation: Horizontal or vertical inline pipeline heater; circulation skid optional
Materials: Carbon steel, SS304, SS316L or selected alloy after engineering review
Control: PID, SCR, staged control, PLC and customer DCS interface options
Customization: Flow, temperature rise, pressure, pressure drop, connection and maintenance layout

Marine Electric Fresh Water Heater

Description

Designed for shipboard fresh-water and auxiliary systems where compact construction, marine-compatible materials and dependable temperature control are required.

Applications

Shipboard fresh-water systems, domestic water, auxiliary water, marine equipment and offshore support systems.

Typical Design Options

Medium: Marine fresh water and compatible shipboard auxiliary water
Application: Shipboard water heating, circulation and auxiliary-service temperature control
Materials: Marine-compatible stainless steel or selected wetted materials
Control: Local control, temperature regulation and shipboard-system interlocks
Customization: Vessel power supply, pressure, capacity, connection and class requirements

LIQUID & PROCESS FLUID HEATING · PROJECT INPUT

Define Your Process Fluid Heating Duty

A reliable liquid heater starts with accurate fluid data. Use these four groups to describe the process, thermal target, mechanical limits, and control requirements.

01

Fluid Profile

  • Fluid type, composition, and concentration
  • Viscosity and density at operating temperature
  • Flow rate, circulation rate, or tank volume
02

Thermal Duty

  • Inlet and required outlet temperature
  • Heat-up time, holding duty, or process heat load
  • Normal, start-up, and maximum operating conditions
03

Mechanical Design

  • Working pressure and allowable pressure drop
  • Installation method and connection size
  • Wetted material and corrosion requirements
04

Electrical & Safety

  • Voltage, phase, and frequency
  • Temperature accuracy and control method
  • Flow, level, pressure, and over-temperature interlocks