Explosion-proof electric heater

I. Overview of Explosion-Proof Electric Heaters:

An explosion-proof electric heater is an internationally popular high-quality, long-lasting electric heating equipment. It is used for heating, insulation, and maintaining the temperature of flowing liquid and gaseous mediums. As the heating medium passes through the heating chamber of the electric heater under pressure, it evenly carries away the enormous heat generated by the electric heating elements during operation, according to the principles of fluid thermodynamics, thereby reaching the temperature required by the user's process.

Two,Explosion-proof electric heaterOperating Principle:

A fluid-proof electric heating unit converts electrical energy into heat to heat the required material. During operation, the low-temperature fluid medium enters through the inlet under pressure, flows along the specific heat exchange channels inside the electric heating vessel, and follows a path designed using fluid thermodynamic principles to carry away the high-temperature heat energy generated by the electric heating elements. This raises the temperature of the heated medium, resulting in a high-temperature medium at the outlet as required by the process. The internal control system of the electric heater automatically adjusts the output power based on the temperature sensor signal at the outlet to ensure uniform temperature of the medium. In case the heating elements exceed the temperature limit, the independent overheat protection device of the heating elements immediately cuts off the heating power, preventing overheating of the heating material that could lead to coking, deterioration, carbonization, and in severe cases, damage to the heating elements. This effectively extends the service life of the electric heater.

Section 3: Application Range of Explosion-Proof Electric Heaters:

Typical applications for explosion-proof electric heaters include:

1. Chemical industry: material heating and drying under certain pressure, some powder drying, chemical processes, and spray drying.

2. Hydrocarbon heating, including crude oil, heavy oil, fuel oil, thermal oil, lubricating oil, paraffin wax, etc.

3. Heating of process water, superheated steam, molten salts, nitrogen (empty) gas, water gas, and other fluids requiring temperature increase.

4. Featuring advanced explosion-proof structure, the equipment is widely applicable in hazardous areas such as chemical industries, oil fields, offshore platforms, ships, and mining areas.

Section 4: Explosion-proof electric heater model specifications:

Model Meaning: SWDL-△-△   △: Power (KW)   △: Medium   A: Gas   W: Water   T: Oil

Table of Mechanical Specifications (This table shows horizontal models; please inquire for vertical models)

Above are only partial specifications of small models; the specifics need to be calculated and determined based on the user's heating process requirements.

V. Conditions for the Use of Explosion-Proof Electric Heaters:

Electrical heating system operating conditions, installation location

Ambient Temperature: -15 to 45℃

Relative Humidity: 46% - 91%

*Altitude: Above Sea Level

Control System: Indoor installation location, non-corrosive, non-explosive area.

Field operation box and equipment combined to form an integral lifting block installed in 2-zone explosion-proof area

Electric Heater: Indoor or outdoor installation, non-corrosive, explosion-proof zone 2

Section 6: Explosion-proof Electric Heater Features:

1. Compact size, high power: The heater mainly utilizes bundled tubular electric heating elements.

2. Fast thermal response, high temperature control accuracy, and high overall thermal efficiency.

3. High heating temperature: Heater design allows for high operating temperatures up to 850°C.

4. The medium出口temperature is evenly distributed with high temperature control accuracy.

5. Wide Application Range and High Adaptability: This heater is suitable for both explosion-proof and ordinary environments, with explosion-proof ratings up to dⅡB and C levels, and pressure resistance up to 20 MPa.

6. Long lifespan and high reliability: This heater is manufactured with special electric heating materials, featuring a low surface power load design and multiple protection mechanisms, significantly enhancing the safety and lifespan of the electric heater.

7. Fully Automated Control: The system can easily achieve automatic control of parameters such as export temperature, flow rate, and pressure through the heater circuit design, and can be networked with computers.

8. Significant energy-saving effect; the heat generated by the electrical energy is transferred to the heating medium.