SRY6-6 220V 2KW Sheath Type Electric Heater in Stock Dimensions Features
1. It consists of a heating core and a protective sheath. The heating core uses tubular electric heating elements as the heat source, and the protective sheath is made of thin stainless steel. It has a large heat dissipation area and fast heat transfer. The terminal device part is divided into ordinary type (using iron-made stretched cup-shaped cover) and special type (using bolted explosion-proof device cover seal). The special type meets the requirements of explosion-proof mark dIICT4 and protection level IP65 series standards.
2. It is connected to the oil tank container body by flange. The protective sheath isolates the heating core from the heated oil. When repairing the electric heater, there is no need to drain the oil from the tank; only the heating core needs to be extracted and replaced with a new one, making maintenance convenient.
3. During design, the contact area between the protective sheath and the hot oil should be considered to prevent local carbonization of the oil due to excessive heating temperature. This model of heater is only suitable for heating heat transfer oil or oil with good heat transfer effect and media.
It consists of a heating core and a protective sheath. The heating core uses high-temperature resistant alloy electric heating wire as the heat source, high-temperature resistant ceramic as the insulating medium, and the protective sheath is made of cold-drawn seamless steel pipe or stainless steel.
SRY6-6 220V 2KW Sheath Type Electric Heater in Stock Working Principle
1. Insert the "eddy current heat film heat exchanger" radially into the bottom of the oil tank along the tank wall. The heat medium (steam) flows through the tube side, and the oil flows through the shell side between the tubes. The shell oil suction port is directly connected to the medium in the tank.
2. A temperature control valve is installed at the steam inlet of the heat exchanger. Through a temperature sensing probe, the temperature of the oil outlet is detected to control the steam inlet flow of the heat exchanger, thereby ensuring constant oil temperature.
The heat exchanger uses high-efficiency heat exchange elements—eddy current heat film tubes—to maintain reasonable oil flow between the tubes. The thermal efficiency is 3-5 times that of ordinary heat exchangers. The enhanced heat transfer mechanism is: when the oil fluid flows on the inner and outer surfaces, it is designed to be turbulent flow, generating strong oscillation and scouring effects. The flow direction constantly changes, continuously replacing the high-temperature oil fluid close to the tube wall surface, thinning or even destroying the insulation layer, accelerating heat transfer from the metal surface, enhancing microscopic eddy currents in the fluid, and strengthening internal heat diffusion in the oil fluid. It will not cause local high-temperature overheating of the fluid close to the tube wall surface, so the oil can be properly and fully heated without the possibility of coking or decomposition. It has good heat transfer and does not cause high resistance.
Daily Maintenance:
1. After the heater has been running for a period of time (depending on user usage), unscrew the ignition plug to clean carbon deposits. If the ignition plug wire is burned out, remove and replace it with a new one.
2. If carbon deposits are too heavy, causing reduced thermal efficiency, clean the heat dissipation fins on the inner wall of the water jacket and the carbon deposits in the combustion chamber.
3. If the heater's main unit air intake pipe, exhaust pipe, and oil drip pipe are blocked by mud, clean and unblock them promptly. Keep the heater compartment clean, and do not place flammable debris around it.
4. Ensure the oil tank, oil pipes, and oil filter solenoid valve are clean to prevent dirt from blocking the oil circuit.
5. In the heater circulation system, use antifreeze suitable for the ambient temperature as the circulating heating medium.
6. Regularly check the heater water pump according to user usage. If the water seal component leaks or the pump has difficulty starting and running, repair it promptly.
7. The automatic control box, oil filter solenoid valve, and other electrical components on the heater main unit should be maintained according to general low-voltage electrical appliance maintenance methods. The performance parameters of the automatic control box are carefully debugged by the manufacturer before shipment; users should not modify them arbitrarily.
8. Ensure the thermal control components are in good condition. Regularly check them. If the micro switch is found to be malfunctioning or damaged, replace it promptly.
9. The main motor used in the heater normally requires no maintenance for 5000 hours of use. If abnormal operation occurs due to prolonged use or other reasons, inspect it, check carbon brush wear or bearing lubrication, and add lubricating grease or replace carbon brushes if necessary.
10. During warm seasons when the heater is not in use, start it 4-5 times regularly, each time running for about 5 minutes, to ensure normal operation the next time it is used.
Product Applications:
Mainly used for heating hydraulic oil and lubricating oil in hydraulic lubrication devices, and also for heating non-corrosive gases.
