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On-line below intermediate temp. cooling system of plate

A cooling system, medium temperature technology, applied in cooling beds, metal processing equipment, metal rolling, etc., can solve the problems of restricting the production and development of special plates and low-alloy plates, insufficient cooling capacity of steel plates, and inability to achieve rapid cooling.

Inactive Publication Date: 2006-11-29
SHANDONG IRON & STEEL CO LTD
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Problems solved by technology

[0002] In the metallurgical industry, most of the cooling in the production of medium and heavy plates adopts traditional cooling methods. Since rapid cooling cannot be achieved, it is difficult to achieve any performance of the steel plate during cooling; improved technology in medium plate production in recent years , are mainly based on four-roll mills. Due to the increase in production capacity, the contradiction of insufficient cooling capacity of steel plates is particularly prominent, and restricts the production and development of special plates and low-alloy plates.

Method used

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  • On-line below intermediate temp. cooling system of plate
  • On-line below intermediate temp. cooling system of plate
  • On-line below intermediate temp. cooling system of plate

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Embodiment Construction

[0010] Fig. 1 is the plan layout diagram when the steel plate of the present invention is cooled, is made of several monomer equipments, the structure and attachment of each monomer equipment figure 2 Same as shown. It can be seen from the figure that the motor drives the conveying roller table to move, the steel plate is placed on the conveying roller table, and the steam-mist cooling device is installed on the upper and lower sides of the conveying roller table. The water quantity regulating valve 8 is installed on the pipe 2, the nozzle 3 is installed on the spray pipe 4, the spray pipe 4 is connected with the air supply pipe 9, the high-pressure fan is connected with the air supply pipe 9, and the water supply pipe 2 is connected with the spray pipe 4. Adjust the air pressure, air volume, water pressure, water temperature, cooling speed, etc. according to the specifications of the steel plate to be cooled. For example, if the thickness of the steel plate is 20mm, the lengt...

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Abstract

An in-line cooling system under medium-temp region for medium-thickness steel plate features that the air-atomized water cooling apparatus installed above and under the rollgang is composed of water supply tube, spray tube with nozzles, air supply tube communicated with the said spray tube, and high-pressure blower communicated to the said air supply tube. When steel plate passes through the rollgang, the air and atomizer water are sprayed onto its both surface. Its advantages are 1-5 deg.c / s of cooling speed, and no performance change of steel plate.

Description

technical field [0001] The invention relates to the technical field of metallurgy, and relates to a system for cooling steel plates in the production of medium and thick plates. Background technique [0002] In the metallurgical industry, most of the cooling in the production of medium and heavy plates adopts traditional cooling methods. Since rapid cooling cannot be achieved, it is difficult to achieve any performance of the steel plate during cooling; improved technology in medium plate production in recent years , are mainly based on four-high rolling mills. Due to the increase in production capacity, the contradiction of insufficient cooling capacity of steel plates is particularly prominent, and restricts the production and development of special plates and low-alloy plates. Contents of the invention [0003] The object of the present invention is to provide a cooling system below the medium temperature zone for medium and heavy plates, which has the advantages of low...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B43/08
Inventor 孙玮崔风平何绪友
Owner SHANDONG IRON & STEEL CO LTD
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