35KW Pit Type Electric Heat Treat Quenching Furnace With 1 Temperature Control Zone
1. Application of Electric Heat Treat Furnace heat treat furnace
The pit type furnace is mainly used for heat treatment of various metal materials, moulds and shaft parts for high temperature annealing, quenching and heating. The maximum working temperature is 950℃.
2. Technical Parameters of Electric Heat Treatment Furnace heat treat furnace
| No. | Item | Technical Parameters | | 1 | Rated heating power | 35KW (automatic adjustable) | | 2 | Power supply | 380V, 3P, 50Hz | | 3 | Rated temperature | 950℃ (adjustable) | | 4 | Normal temperature | 800℃ | | 5 | Control zone | 1 zone | | 6 | Furnace cover lifting method | up-down by crane | | 7 | Hearth size | Φ600×800mm | | 8 | Temperature uniformity | ≤±10℃ | | 9 | Temperature control accuracy | ±1.5℃ | | 10 | Empty furnace temperature raise speed | ≤2 hours | | 11 | furnace surface temperature raise | ≤45℃ | | 12 | Empty furnace power loss | ≤7KW | | 13 | Temperature control method | SCR, PID regulator; Guolong temperature controller with overtemperature alarm; | | 14 | Heating element | 0Cr25AL5 | | 15 | Heating method | 4 sides heating | | 16 | Furnace lining | Refractory fiber for wall, and furnace bottom adopts refractory brick | |
3. Electric Heat Treat Furnace Structural Introduction
The pit type furnace is mainly comprised of furnace shell, furnace lining, heating element, furnace cover, furnace cover lifting mechanism and electrical control system.
3.1 furnace shell
The furnace body steel structure is made from 6-8# sectional steel and 3-10mm steel plates.
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.
3.2 lining
The furnace lining material adopts is high quality high temperature aluminum silicate refactory fiber folding blocks.
The lining is fixed to furnace body by stainless steel fixtures. The total lining thickness is 350mm.
3.3 heating elements
The furnace employs quality 0Cr25AL5 high temperature alloy belts as heating elements.
The heating element is retained to the furnace wall through porcelain nails.
The furnace has 1 temperature zone. And the heating elements are arranged based on zone arrangement.
3.4 furnace cover lifting mechanism
The furnace cover is welded by 8# sectional steel and 6mm steel plate.
The heat preservation material of furnace cover is aluminum silicate fiber folding block. The furnace cover is lifted by crane.
3.5 electrical control system
Temperature control: the furnace adopts Shanghai Guolong intelligent temperature controller to control the temperature.
Heating zone adopts a strongly damped ammeter which can directly reflect to heating elements working condition.
The heating control loop has over-temperature alarm and send sound-light alarm when the heating zone is over-temperature.
Supply Scope Of Electric Heat Treat Furnace
| No. | Item | Q’ty | Notes | | 1 | Furnace body | 1 set | Including furnace cover | | 2 | Heating element | 1 set | Resistance strip | | 3 | Temperature control system | 1 set | | | 4 | Control cabinet | 1pc | | | 5 | Guolong temperature controller | 1pcs | | | 6 | SCR | 3pcs | | | 7 | Wire clip | 6pcs | | | 8 | Compensation lead wire | 20m | | | 9 | Thermal couple | 1 pc | K type | | 10 | Electrical components | 1 set | SCR, air switch, ammeter, voltmeter, heat relay, and switches | |
Company Introduction
Our company is a professional supplier of heat treat/ treatment furnaces such as box type heat treatment furnace,
bogie type heat treatment furnace, pit type heat treat furnace, carburizing heat treatment furnace, nitriding heat treat furnace, salt bath heat treatment furnace, steel wire annealing heat treat furnace, etc.
heat treatment furnace
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