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Triethylene Glycol Cleaning Furnace - High-Efficiency Cleaning Equipment from China Suppliers and Factory
Materials of Device
1. Tank Body & Furnace Lid
Using SUS304 & 6mm board to produce, do pressure testing, leakage check after forming.
2. Jacket & Insulation
The jacket made of 5mm heat-resisting stainless steel plate, by GB-150 steel container standard making; 2mm stainless steel for shell; between the outer panel and cylinder filled with high-quality aluminum silicate cotton insulation, all appearance welds are kerosene leakage test, and the protection plate on the bottom of the furnace mouth with thickness beyond the insulation layer in the fan-shaped. In order to prevent the basket hanging out the TEG medium drops into the cotton insulation caused security accident.
3. Flanges & Steel Pipe
Contact with TEG flanges and steel pipe, the materials are heat-resistant stainless steel.
4. Level Gauge
The use of stainless steel magnetic coupling plate type level gauge, and with the level lower limit alarm.
5. Electric Heater
Stainless steel heating pipe, heating power 60kW, composed of 33 “U” type stainless steel electric heating element welded flange directly into the furnace in the TEG medium heating, each power 2kw, the actual use of 30, the other three spare, the electric heating wire is made of Ni20Cr80 alloy (Shanghai Alloy factory produced) the service life of the heater is not less than three years.
6. Hanging Basket
Stainless steel material, 7 layers cleaning spinnerets. Heat-resistant stainless steel.
7. Condenser
Stainless steel material, shell and tube type structure, condensing area is 3.5m2.
8. Pneumatic Components
Cylinder, manual valve, steam source triple.
9. Insulation Cotton
High – temperature aluminum silicate cotton.
Control System
According to the working principle and requirements of TEG cleaning furnace, the use of two sets of instrument control, one set of instruments to control the electric heater temperature and has anti-dry protection, another instrument control TEG medium temperature. Two sets of instrument safety interlock, double protection, when over-temperature, cut off the heating main power, and sound and light alarm, to ensure the normal operation of equipment and fault self-protection.
The instrument has PID manual and can auto-tuning to set the best parameters, input excellent control signal to drive the heating control device (solid state relay), heating control device with automatic temperature cooling and fault self-diagnosis protection to ensure temperature control accuracy. At the same time, double-cut function has both time and temperature, ensure the cleaning effect.
In order to ensure the safe use of the equipment, the heater and magnetic coupling plate level gauge interlock protection — when the TEG below the set level, the heating element does not work; heater junction box without pressure, heating component does not work; condenser without water or water pressure is too low, the system alarm and automatically cut off the source.
* The cleaning process ends, the system has an automatic shutdown function.
Frequently Asked Questions (FAQ)
Q1: What materials are used for the main body of the TEG cleaning furnace?
A1: The tank body and furnace lid are manufactured using SUS304 and 6mm board, and undergo rigorous pressure testing and leakage checks after forming.
Q2: How does the system prevent safety issues regarding the insulation layer?
A2: High-quality aluminum silicate cotton insulation is filled between the outer panel and the cylinder. Additionally, all appearance welds undergo kerosene leakage testing, and a fan-shaped protection plate thicker than the insulation layer is installed at the bottom of the furnace mouth. This prevents TEG medium drops from falling into the cotton insulation when the basket is hung out.
Q3: What are the key specifications and expected lifespan of the electric heater?
A3: The heater has a total power of 60kW, consisting of 33 "U" type stainless steel elements (30 in use, 3 spare), each rated at 2kW. The heating wire is made of Ni20Cr80 alloy, ensuring a service life of not less than three years.
Q4: How does the control system ensure temperature control accuracy and safety?
A4: The system uses two sets of instrument controls with safety interlocking. It features PID auto-tuning to set optimal parameters, driving a solid-state relay with automatic temperature cooling and self-diagnosis. If over-temperature occurs, it cuts off the main heating power and triggers sound and light alarms.
Q5: What safety interlock protections are in place for the heater and condenser?
A5: The heater will not work if the TEG level falls below the set limit, or if the heater junction box has no pressure. Additionally, if the condenser lacks water or the water pressure is too low, the system will alarm and automatically cut off the source.