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Passing water cooler

A technology of water-through coolers and water inlets, which is applied to workpiece cooling devices, workpiece surface treatment equipment, metal rolling, etc., and can solve the problems of unsatisfactory cooling water flow rate, unsatisfactory product quality, and poor cooling effect of rolled workpieces, etc. problem, to achieve good cooling effect, uniform cooling, and ensure the effect of flow rate

Active Publication Date: 2016-03-02
安徽中钢诺泰工程技术有限公司
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AI Technical Summary

Problems solved by technology

[0004] Through production practice, it is found that the flow rate of cooling water in this water-through cooler is not ideal, and a stable water film will be formed on the surface of the rolled piece, which has a poor cooling effect on the rolled piece, and the product quality needs to be improved.

Method used

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Embodiment Construction

[0024] The invention discloses a water-piercing cooler, which can effectively increase the flow rate of cooling water, and ensure that the water inlet can evenly roll the workpiece, and the water flow velocity in the tube changes to form a speed difference, so as to avoid the formation of a stable water film on the surface of the rolled piece and ensure sufficient Heat exchange, thereby improving the quality of the product.

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] see Figure 1-Figure 4 , ...

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Abstract

The invention discloses a passing water cooler. An existing straight cooling tube is improved into a Venturi tube (a reducing tube fitting provided with an expansible portion and a contractible portion), the water flowing speed can be changed to form speed difference, stable water film forming on the surface of a rolled piece is avoided through kinetic energy and impulse produced through the speed difference, and sufficient heat exchange is ensured. The passing water cooler is better than a traditional water tube in cooling effect, the total amount of steel is remarkably increased, and the using cost is reduced. In addition, a water inlet is designed to be an annular water spraying port circumferentially surrounding the Venturi tube, the flowing speed of cooling water can be effectively ensured, it is ensured that water is evenly fed, accordingly the rolled piece is evenly cooled, and product quality is ensured.

Description

technical field [0001] The invention relates to the technical field of steel rolling equipment, in particular to a water-through cooler. Background technique [0002] After rolling out of the rolling mill, steel products often need to pass through a water cooling device for cooling. [0003] At present, most of the existing water-through coolers use a combination of direct injection water inlets and straight cooling pipes. [0004] It is found through production practice that the flow rate of the cooling water in this water-through cooler is not ideal, and a stable water film will be formed on the surface of the rolled piece, which has a bad cooling effect on the rolled piece, and the product quality needs to be improved. Contents of the invention [0005] In view of this, the present invention provides a water-through cooler, which can effectively increase the flow rate of cooling water, and ensure that the water can be evenly rolled, and the water flow rate in the tube ...

Claims

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Application Information

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IPC IPC(8): B21B45/02
CPCB21B45/0224B21B45/0233
Inventor 唐辉
Owner 安徽中钢诺泰工程技术有限公司
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