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Pool type electric holding furnace is mainly applicable to the holding of non-ferrous metal solution, and can be used in die casting machine, centrifugal casting, gravity casting, precision casting and other processes.
Energy: Electric
Appication: Die Casting Machine
Rated power (kw): 18
Capacity (aluminum) kg: 500
Rated temperature (℃): 850
Rated voltage (V): 380
Frequency (H): 50
Phase number: 3
Heating element connection method: Y
Heating time of empty furnace (H): ≤3
Electric furnace weight (kg): 4200
The product consists of furnace body, heating element and electrical control box.The upper part of the electrical control box is the control line and the lower part is the power line. The furnace body is mainly composed of feeding chamber, ladling port, heating and holding chamber chamber, etc.The shell of the furnace body is made of section steel and steel plate, and is lined with various light refractory materials. The molten pool is built with non stick aluminum castable to ensure the alloy composition of the molten liquid.
A silicon carbide rod heating element and thermal insulation material are installed on the light furnace top to directly radiate the aluminum alloy liquid level in the molten pool, with high thermal efficiency and convenient maintenance, cleaning and movement.
Ⅰ. Composition of furnace body
The furnace body of pool type holding furnace is mainly composed of feeding port, holding chamber, discharge outlet and holding furnace cover. The inlet, holding chamber and outlet are integrated, and the mineral 80ACX castable (Allied material) is used for one-time casting, (compressive strength: 140MPa above 110 ℃, while the linear change rate is 0.1%).
This castable has the characteristics of non stick aluminum, high strength, easy cleaning and long service life. The furnace cover is made of Japanese Isolite refractory fiber cotton, which has the characteristics of good thermal insulation, convenient maintenance and long service life
Ⅱ.Heating, electrical control system
1).Main components
1.Heating element - silicon carbide rod (6 pieces / set)
2.Control system - temperature controller (Taisee brand), electronic voltage regulator, contactor, relay, etc
3.Temperature detection element - thermocouple (each set includes two thermocouples, one for furnace atmosphere temperature and the other for aluminum liquid temperature)
2).Introduction to electronic voltage regulator (PID control)
The thyristor is used as the main control element, and the change of thyristor conduction angle is used to control the change of output current and voltage. The imported special thyristor phase shift trigger integrated circuit is selected to control the conduction angle of thyristor.
The controller has a variety of protection functions to ensure that the controller will not damage the external equipment in case of failure.
Functions: soft start, over-current protection and over temperature protection.
When the load fault current or temperature rises beyond the working range of the controller, the controller can automatically turn off the pulse output and stop the load power supply.
3).Temperature control accuracy ± 5 ℃ (under standard working conditions)
Ⅳ. Main components of electrical system
<1>.Customized control cabinet. 1set
<2>.Temperature controller, Taiwan Tai see, (1 with PID adjustment), 2 sets;
<3>.Power regulator, Taiwan Taisee, 1 set;
<4>.Low voltage electrical components, CHINT, several;
<5>.Thermo couples, 2 pcs (1 for atmosphere and 1 for aluminum liquid);
<6>.wire, several;
Ⅴ. Standard configuration
1.One furnace body
2.One control cabinet
3.One set of heating elements (another three)
4.Two thermocouples (one for measuring furnace temperature and one for measuring molten aluminum temperature) and one set for standby
5.One copy of operation manual
Ⅵ. Quality Assurance
The furnace is warranted for 1 year. However, the natural consumables caused by high temperature, excluding quality factors, do not belong to the scope of warranty.
In addition, in case of failure due to misoperation, the supplier is responsible for repair, but a certain fee will be charged, and the list of consumables will be provided after the repair is completed.
Ⅶ. Lead time and baking time
Lead time: 40 days after the contract comes into effect. The furnace body shall be baked on site for 10 days before the first use
