Multi-layer roller hearth waste heat utilization cyclic furnace and waste heat recovery method thereof
A waste heat, roller bottom technology, applied in heat treatment furnaces, furnaces, waste heat treatment and other directions, can solve the problems of high electricity price and high production cost of periodic furnaces, achieve high production efficiency, avoid hidden troubles and unsafe use, and have a wide range of applications. Effect
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[0035] Example 1: Such as Figure 1 to 2 As shown, the multi-layer roller bottom waste heat utilization cycle furnace described in the first embodiment includes a furnace body 5, a lifter 3, a vacuum ventilating chamber 2, an inlet and outlet table 1, a transmission system, and a control system. The transmission system Including a transmission device, the transmission device is connected with a motor, the feeding and discharging table 1, the vacuum ventilating chamber 2, the elevator 3 and the furnace body 5 are connected in sequence, and there is an electric motor between the furnace body 5 and the elevator 3 Furnace door 4, the outer part of the furnace body 5 is provided with a furnace shell 51, the hearth of the furnace body 5 is provided with a refractory insulation layer 52, and the furnace body 5 is provided with a plurality of heating bodies 54 and at least two inner furnace rollers 53 , The rollers 53 in each layer of the furnace are arranged on the transmission device...
Example Embodiment
[0036] Example 2: As a preferred embodiment, the difference between the multi-layer roller bottom waste heat utilization cycle furnace described in Example 2 and Example 1 is that the elevator 3 is provided with a housing, and the lifting area in the elevator 3 The top and bottom are provided with thermal insulation layers.
[0037] In the multi-layer roller bottom waste heat utilization cycle furnace described in Example 1 and Example 2, the metal workpieces sequentially pass through the feeding and discharging roller 12 on the feeding and discharging table 1, the air chamber roller 21 in the vacuum venting chamber 2, and The driving rollers on the lifting rack are driven by the transmission device to be transferred to the inner furnace rollers 53 of each layer in the furnace body 5. Among them, since the furnace body 5 is provided with at least two layers of inner furnace rollers 53 and the elevator 3 is provided on one side of the furnace body 5, the metal workpieces are passe...
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