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Ứng dụng
Lò sưởi bogie điện RT3-65-6 được sử dụng chủ yếu cho quá trình ủ thép kết cấu, thép đúc, thép lò xo, thép công cụ và thép cacbon.
Thông số kĩ thuật
Công suất định mức: 65KW + 5% (1-100%) có thể điều chỉnh
Nguồn điện: 380V, 3P, 50Hz
Nhiệt độ định mức: 650℃ (nhiệt độ làm việc bình thường: 550℃)
Vùng kiểm soát: 1 vùng
Kích thước làm việc: 1350×1000×700mm(L×W×H)
Kích thước tổng thể: 2000×1860×2100mm(L×W×H)
Chiều dài cần thiết cho chuyển động bên trong và bên ngoài của giá chuyển hướng là 5000mm.
Kết nối bộ phận gia nhiệt: Y
Độ đồng đều nhiệt độ: ± 5℃
Độ chính xác đo nhiệt độ: ± 1℃
Tiêu thụ điện năng của lò không tải: ≤18%
Phương pháp điều khiển nhiệt độ: SCR, bộ điều chỉnh PID; Bộ điều khiển nhiệt độ Shimaden với giao diện truyền thông 485, màn hình cảm ứng 10.1 inch (có thể ghi lại dữ liệu lịch sử, quá trình lưu trữ, xuất đĩa U, ảnh chụp màn hình và các chức năng khác, với cảnh báo quá nhiệt)
Nhiệt độ bề mặt lò tăng: ＜ 35℃
Bộ phận gia nhiệt: 0Cr25AL5 (dải)
Chất liệu tấm lò Bogie: Thép chịu nhiệt CrMnN, dày 30mm
Phương pháp chất tải: Sản phẩm được chất lên giá chuyển hướng, sau đó giá chuyển hướng di chuyển vào lò nung
Lớp lót lò: Sợi chịu lửa tiêu chuẩn
Phương pháp mở cửa lò:
Palăng điện 0.5 tấn lên xuống, bịt kín bằng lò xo
Phương pháp di chuyển Bogie: Bằng bộ giảm tốc bánh răng xích 1.5KW
Quạt tuần hoàn: Quạt hướng trục làm mát không khí 1.1KW, 2 bộ
2.Structural Introduction
The RT3-65-6 bogie hearth furnace is mainly comprised of furnace body, lining, furnace door and door compression system, bogie, heating element, circulation device and temperature control system.
2.1 furnace body
The bogie hearth furnace manufacturer body steel structure is made from 10-12# sectional steel and ≥3mm steel plates. The side pillar and back pillars are made from sectional steel, and are reinforced with sectional steel bracings. The external wall of the furnace is painted with 2 layers of primers, and 2 layers of coating paint. The key part of the furnace is painted with heat resistant paint.
2.2 lining
The bogie hearth furnace for sale is built with an all-fiber system. The lining material used is quality aluminum fibers fixed by round steel parts. The aluminum fibers are pre-compressed into blocks (compression gravity: ≥230Kg/m3 ) and then fixed to the furnace body by round stainless steel parts. This refractory lining structure has the advantages of low heat conductivity, strong anti-shock capacity, and anti-erosion. The lining has a total thickness of 240mm. The silicate aluminum fiber resists a maximum temperature of 950℃.
2.3 furnace door and door up-down system
The car bottom furnace price door is comprised of all-fiber lining and steel structure casing. The door frame is made of 10mm steel plate. The door is built with silicate aluminum fiber blocks same as that for the furnace body. The overall structure of the furnace maintains its shape while heated.
Driving method of door: The furnace door is electrically lifted upward and downward by the hoist. And it is sealed by spring.
2.4 bogie
The bogie is comprised of bogie frame, wheels, refractory bricklaying body, heat resistant bogie face plate, heating elements, and bogie driving mechanism. bogie structure: the bogie frame is made from 12# beam and 10mm steel plates.
The bogie could work for a long time without deformation at full load.
wheel: The wheels are made from ZG55# steel casting. The transmission shaft is made from 45# steel, and it is heat treated. The transmission bearing is of the heavy type pillar bearing to bear the weight. There are a total of 2 pairs of wheels, and each wheel is of diameter 240mm.
bricklaying body: The bogie is built with a combination of high alumina refractory bricks, light refractory bricks, and heat preservation bricks. The bricklaying body of the bogie has heating elements installation slot for easy installation of the heating elements. The impacted parts and weight bearing area are bricked especially with heavy type high aluminum refractory bricks. There is also free space left for the refractory lining expansion when heated.
The bottom plate of furnace is made of CrMnN material with the total thickness of 30mm.
The bottom plate resists a maximum temperature of 950℃.
Sealing: The seal between furnace door and furnace body and bogie is more important.
The seal between furnace door and furnace body adopts spring compression structure.
The seal between bogie and furnace body is seal of special-shaped brick and fiber cotton block.
2.5 heating element
heating element: The 0Cr25AL5 resistance spiral-shape alloy resistance strips are mounted in 5 side walls, two side walls, back wall, furnace door and bogie bottom.
The resistance strips are produced through special molds, and are installed in the furnace wall by porcelain nails. And there is a porcelain gasket between the fiber wall and the resistance strips to avoid short-circuit. There are 1 heating zone. All lead-out conductor bars are made of φ16 0Cr25AL5 material.
2.6 electrical control system
Temperature control: the furnace adopts intelligent temperature controller to control the temperature which has self-tuning function to calculate the ideal PID parameter and achieve a temperature stability. The temperature controller has the functions of over-temperature alarm and thermal couple breakage protection.
The wholesale car bototm furnace has 1 temperature control zone for controlling the linkage between the temperature and the motor movements. Each zone is set with an over-temperature alarm. The heating loop adopts the double-direction SCR and trigger control. The power is regulated in the time proportional regulation manner.
The control actuation system is a large-power triggering one complete with a radiator and an air cooling system. There is also an air switch. The heating loop is equipped with ammeter, voltmeter, heating element on-off indicator, power-on interlock protection, and safe earthing measures.
Movement control: The control system mainly controls the door up-down movement, door compression, and door in-out movement. Also the movements are necessarily linked to ensure the operation safety.
2.7 Hot air circulating system:
It is mainly comprised of two axial flow fans in the furnace. The heat emitted by the heating element is evenly blown to the effective working area by the circulating fan through the wind guide plate. The air guide plate is made of 1Cr18Ni9, and the fan and shaft are made of 1Cr18Ni9Ti. In order to ensure the normal use of bearings, the cooling method is air cooling.
