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Medium-thickness steel plate air purging device

An air purging device and a technology for thick steel plates, which are applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve problems affecting the surface quality of steel plates, cooling speed affects the performance of steel plates, etc., and achieve the effect of improving quality

Active Publication Date: 2014-07-23
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Controlling the cooling system directly affects the quality of the steel plate produced, but for the steel plate entering the hot straightening machine through the controlled cooling system, some water or even a small amount of iron oxide will remain on the surface of the steel plate
If the cooling water and iron oxide scale are not removed, the remaining water will affect the cooling rate of the steel plate during operation and then affect the performance of the steel plate during the process of the steel plate entering the hot straightening machine. The iron sheet is pressed into the steel plate and thus affects the surface quality of the steel plate

Method used

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  • Medium-thickness steel plate air purging device
  • Medium-thickness steel plate air purging device

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Embodiment Construction

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] like Figure 1-Figure 2 , the embodiment of the present invention provides an air purging device for medium and thick steel plates, which is installed on a control cooling device (shown in the figure, not numbered), including a compressed air branch pipe 1, an air filter 3, an air pressure reducing valve 4, a pneumatic Shut off the ball valve 5 and the injection manifold 6. The compressed air in the workshop enters the medium ...

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Abstract

The invention provides a medium-thickness steel plate air purging device. The medium-thickness steel plate air purging device is installed on a controlled cooling device and comprises a compressed air branch pipe, an air filter, an air reducing valve, a pneumatic cut-off ball valve and a jet header, wherein the jet header is connected with the pneumatic cut-off ball valve, the pneumatic cut-off ball valve is connected with the air reducing valve, the air reducing valve is connected with the air filter, the air filter is connected with the compressed air branch pipe, the jet header comprises two steel pipes and a right-angle connector, one steel pipe is welded to one end of the right-angle connector, the other steel pipe is welded to the other end of the right-angle connector, a plurality of fixing connectors are sequentially arranged on each steel pipe, a ball connector is connected to at least one fixing connector, a jet nozzle is installed on the ball connector, and the jet angle of the jet nozzle can be adjusted by the ball connector. Compressed air in a workshop enters the jet header through the compressed air branch pipe and then is jet to the surface of a medium-thickness steel plate through the jet nozzle, and therefore water and oxidized scale on the surface of the medium-thickness steel plate are removed, and the quality of the medium-thickness steel plate is improved.

Description

technical field [0001] The invention relates to the field of controlled cooling of hot-rolled medium and thick steel plates, in particular to an air purging device for medium and thick steel plates. Background technique [0002] At present, in medium and heavy steel plate engineering, a control cooling device is generally installed after the finishing mill, and a thermal leveler is installed after the control cooling device. The controlled cooling system directly affects the quality of the produced steel plate, but for the steel plate that enters the hot leveler through the controlled cooling system, a part of water or even a small amount of iron oxide scale will remain on the surface of the steel plate. If the cooling water and iron oxide scale are not removed, the water remaining when the steel plate enters the hot straightening machine will affect the cooling rate of the steel plate during operation and thus affect the performance of the steel plate. The iron sheet is pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B45/02B21B45/06
Inventor 胡于华张灵杰
Owner WISDRI ENG & RES INC LTD
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