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W-shaped heat storage type radiant tube

A regenerative radiant tube and radiant tube technology, applied in the field of radiant tubes, can solve the problems of reducing the service life of radiant tubes, uneven surface temperature of radiant tubes, affecting the heating capacity and heating quality of radiant tubes, etc., and achieve good economic and social Effect, improve service life, reduce damage effect

Inactive Publication Date: 2018-03-30
王茂庭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the inhomogeneity of the surface temperature of the radiant tube is inevitably caused, which affects the heating capacity and quality of the radiant tube, and reduces the service life of the radiant tube.

Method used

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  • W-shaped heat storage type radiant tube

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing, the present invention is further described;

[0011] In the accompanying drawings: a W-shaped heat storage radiant tube, the radiant tube includes a W-shaped tube body 1 and a radiant tube cover 2; the W-shaped tube body 1 includes straight tubes A3, curved Head B4, straight pipe C5, elbow D6, straight pipe E7, elbow F8 and straight pipe G9 are fixed together by welding; the left side of the elbow B4 is welded with a support H10, and the elbow D6 The right side of the elbow F8 is welded with a support I11, and the left side of the elbow F8 is welded with a support J12; the support H10 and the support J12 are connected and fixed by a connecting rod 13; the left side of the support H10 is located on the inner support K14 of the furnace wall, The right side of the support I11 is located on the support L15, and the support L15 is welded on the radiant tube cover 2, and the W-shaped tube body 1 can be freely expanded and contra...

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Abstract

A W-shaped regenerative radiant tube, the radiant tube includes a W-shaped tube body and a radiant tube cover; the W-shaped tube body includes a straight tube A, an elbow B, a straight tube C, and a bent tube arranged from top to bottom. The head D, the straight pipe E, the elbow F and the straight pipe G are fixed together by welding; the left side of the elbow B is welded with a support H, and the right side of the elbow D is welded with a support I, The left side of the elbow F is welded with a support J; the support H and the support J are connected and fixed by a connecting rod; the left side of the support H is located on the inner support K of the furnace wall, and the right side of the support I is located on the support L , the support L is welded on the radiant tube cover, and the W-shaped tube body can be freely expanded and contracted without hindrance in the state of thermal expansion and cold contraction; It can be freely expanded and contracted in the state without hindrance; the damage of the radiant tube is reduced, the service life of the product is improved, and the popularization and application have good economic and social effects.

Description

technical field [0001] The invention relates to the field of radiant tubes, in particular to a W-shaped heat storage radiant tube. Background technique [0002] In the production of cold-rolled steel strip, the steel strip after cold deformation should be heated above the recrystallization temperature in the heating furnace, so that the deformed grains can be re-transformed into uniform equiaxed grains, so as to eliminate the cold-rolled steel strip. Deformation hardening and residual stresses. In order to meet the increasingly higher requirements for the surface quality of strip steel, most modern continuous annealing furnaces for strip steel use radiant tube heating furnaces. Using this heating method, the combustion gas does not directly contact the strip steel, and will not oxidize the surface of the strip steel, and the nitrogen-hydrogen mixed protective gas is also used in the furnace, which has a certain reducing effect on the surface of the strip steel, which can en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/12F23D14/46
CPCF23D14/12F23D14/46
Inventor 王茂庭
Owner 王茂庭
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