Cage type furnace convection plate

A convection plate and bell furnace technology, applied in furnaces, heat treatment furnaces, furnace types, etc., can solve the problems of small loss of steel coils, large loss of steel coils, and large difference in hardness of steel coils, so as to reduce temperature difference and increase The effect of uniformity and hydrogen flow

Inactive Publication Date: 2006-01-11
SHANXI TAIGANG STAINLESS STEEL CO LTD
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Problems solved by technology

[0003] In order to overcome the disadvantages of the existing bell furnace convection plate during the annealing of the full hydrogen bell furnace that the temperature difference in the furnace is large, resulting in a large difference in the hardness of the steel coil, affecting the service life of the rolling mill, and the loss of the steel coil during the annealing process, the invention provides a A bell furnace convection plate with smooth airflow during annealing in the bell furnace, small temperature difference in the full hydrogen bell furnace, and small loss of steel coils during the annealing process

Method used

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  • Cage type furnace convection plate
  • Cage type furnace convection plate
  • Cage type furnace convection plate

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Embodiment Construction

[0038] The specific implementation of the present invention will be described below through the examples and accompanying drawings, but the convection plate of the bell-type furnace is not limited to the following examples.

[0039] figure 2 and image 3 The bell furnace convection plate described includes a partition and a connecting piece, and the partition and the connecting piece are welded as a whole. U-shaped suspension ring 10 is welded together; Said connector is four connecting rods 8 that form a cross shape with circular connecting plate 9 as a whole, and a strip fan-shaped dividing plate 6 is welded on the both sides of every connecting rod 8, Form interval 11 between two adjacent elongated fan-shaped partitions 6, below the middle part of each elongated fan-shaped plate 6, be welded strip backing plate 7, see Figure 4 , Figure 5 . The length of the strip backing plate 7 is 1 / 3-1 / 2 of the strip fan-shaped partition 6. The distance from the outer end of the s...

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Abstract

A convection plate of hood-type furnace for tempering the coiled steel band with smooth airflow and high effect is composed of isolating plates, connecting part which is a number of radial connecting rods surrounding a connecting plate, and a reverse U-shaped hanging ring being welded to upper and lower connecting plates. Said isolating plates are the sectorial plates welded to both sides of each connecting rod and with the strip pads on its bottom surface.

Description

technical field [0001] The invention relates to a bell furnace convection plate. Background technique [0002] Annealing steel coils in a full hydrogen bell furnace is to stack more than three coils together. In order to avoid bonding, it is beneficial to the air flow in the bell furnace, especially the circulation of hydrogen, between the upper coil and the lower coil. A convection plate partition is generally called a convection plate to separate the upper and lower steel coils. Since the steel rolling industry adopted the full hydrogen bell furnace to anneal steel coils in the 1980s, the disc type convection plate has been used. The convection plate of this kind of bell furnace is that the upper circular plate 1 with the vent 4 in the middle and the lower circular plate 3 are provided with a radial strip plate 2, and the three are welded into one, and the adjacent strip plates 2 are formed. Horizontal convection channel 5. The disc-type convection plate has a certain e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/56C21D1/767
Inventor 杨连宏施跃军
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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