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Công suất định mức: 100Kw+5% (1-100%) có thể điều chỉnh
Nguồn điện: 380V, 3P, 50Hz
Nhiệt độ định mức: 950℃
Vùng điều khiển: 1 vùng
Kích thước vùng vận hành: 2000×1000×750mm (D×R×C)
Kích thước tổng thể của lò: 2780×1960×2180mm (D×R×C)
Diện tích sàn: Khoảng 6600×3200mm (D×R×C)
Kết nối thanh gia nhiệt: Y
Độ đồng đều nhiệt độ: ≤±10℃
Độ chính xác đo nhiệt độ: ±1℃
Công suất tiêu thụ của lò không tải: ≤18%
Phương pháp kiểm soát nhiệt độ: SCR, bộ điều chỉnh PID; Bộ điều khiển nhiệt độ Huibang có cảnh báo quá nhiệt;
Nhiệt độ bề mặt lò tăng: ＜45℃
Bộ phận gia nhiệt: 0Cr25AL5 (dải)
Tấm mặt Bogie: CrMnN, dày 30mm, thép chịu nhiệt
Phương pháp nạp: Sản phẩm được nạp vào bogie, sau đó bogie di chuyển vào lò
Phương pháp mở cửa lò: Tời điện lên xuống, được đóng kín bằng lò xo
Phương pháp di chuyển Bogie: Bằng bộ giảm tốc
Công suất truyền động Bogie: 2.2KW
Lớp lót lò: Sợi chịu lửa tiêu chuẩn
1. Application
The RT2-100-9 electric bogie hearth furnace is mainly used for heat treatment of steel structure parts, cast steel parts, shaft bar parts, tool steel products, etc.
2.Structural Introduction
The RT2-100-9 bogie hearth furnace is mainly comprised of furnace
body, lining, furnace door and door compression system, bogie, heating
element, and temperature control system.
2.1 furnace body
The car bottom furnac body steel structure is made from 8-12# 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 wholesale car bottm furnace price body 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 300mm. The silicate aluminum fiber resists a maximum temperature of 1100℃.
The material of round steel fixation parts is 1Cr13.
2.3 furnace door and door up-down system
The bogie hearth furnace door is comprised of all-fiber lining and steel structure
casing. The door frame is made of 10mm steel plate and 12mm sectional steel.
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 10# 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. The bogie is motorized. And the driving
motor is equipped with a braking speed reduction device to relieve the inertia at
the start-up and stop movement. There are 2 limit switches to avoid over-travel
of the bogie.
bricklaying body: The bogie is built with a heavy 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.
bogie face plate: 30mm thick CrMnN heat resistant steel casting part with max
working temperature≤1200℃. It can prevent scales from falling into the heating
elements slot which would form a short circuit.
bogie moving mechanism: The bogie has a self-moving method. The reducing
gear drives the bogie wheel to move. The bogie movement is smooth and stable.
Sealing among furnace door, furnace body and bogie: Sealing between the
furnace door and the furnace body is through spring. The sealing between the
bogie and the furnace body is through soft special shape bricks and fiber cotton block.
2.5 heating element
heating element: The 0Cr25AL5 resistance spiral-shape alloy resistance strips are
mounted in 2 side walls. 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 Changzhou Huibang 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 car bottom furnace for tempering 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.
