Rod and wire water-passing cooling device

A water-through cooling, rod and wire technology, applied in workpiece cooling devices, workpiece surface treatment equipment, metal rolling, etc., can solve the problems of weakened cooling capacity of cooling devices, decreased cooling rate, reduced heat exchange capacity, etc., to achieve improved cooling Speed ​​and cooling effect, reduction of production energy consumption, effect of rapid heat exchange

Pending Publication Date: 2021-01-26
福建三钢闽光股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It can be seen that, in the existing water-piercing cooling device, the moving direction of the cooling water is consistent with the advancing direction of the rod and wire. During the continuous advancing and cooling process, the temperature of the cooling water will gradually increase, while the surface of the rod and wire The temperature keeps decreasing. When the temperature difference between the two keeps shrinking, the heat exchange capacity will gradually decrease, which makes the cooling capacity of the cooling device gradually weakened, and the cooling rate also gradually decreases.
Therefore, although the existing turbulent water-through cooling device can effectively reduce the temperature of rods and wires, there is still room for improvement.

Method used

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  • Rod and wire water-passing cooling device
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  • Rod and wire water-passing cooling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The operating parameters of embodiment 1 and comparative example 1 are compared as follows:

[0033] Table 1 Comparison of operating parameters between Example 1 and Comparative Example 1

[0034]

[0035] The actual cooling energy consumption results of Example 1 and Comparative Example 1 are compared as follows:

[0036] Table 2 Comparison of actual cooling energy consumption between Example 1 and Comparative Example 1

[0037]

[0038] It can be seen from Table 2 that under the same cooling effect, the total pipe flow rate and power consumption per ton of steel in Example 1 are far less than those in Comparative Example 1, indicating that the rod and wire water-through cooling device adopted in Example 1 has higher cooling efficiency and more Strong cooling capacity, able to cool the rolled piece evenly and rapidly in a short time.

[0039] 2. Taking the controlled cooling process of rebar with a specification of Φ40mm as an example, the starting rolling temp...

Embodiment 2

[0042] The operating parameters of embodiment 2 and comparative example 2 are compared as follows:

[0043] Table 3 Comparison Table of Operating Parameters of Embodiment 2 and Comparative Example 2

[0044]

[0045] The actual cooling energy consumption results of embodiment 2 and comparative example 2 are compared as follows:

[0046] Table 4 Comparison of actual cooling energy consumption between Example 2 and Comparative Example 2

[0047]

[0048] It can be seen from Table 4 that under the same cooling effect, the total pipe flow rate and power consumption per ton of steel in Example 2 are much smaller than those in Comparative Example 2, indicating that the water-through cooling device adopted in Example 2 has higher cooling efficiency and stronger cooling efficiency. Cooling capacity, able to cool the rolled piece evenly and rapidly in a short period of time.

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Abstract

The invention discloses a rod and wire water-passing cooling device, and relates to the field of steel rolling. The rod and wire water-passing cooling device sequentially comprises a water inlet section, a cooling section and a water drainage section in the flowing direction of cooling water, and further comprises an inlet guide and an outlet guide which are used for guiding the moving direction of a rolled piece, wherein the moving direction of the rolled piece is opposite to the flowing direction of the cooling water; the inlet guide is arranged at the rear end of the water drainage sectionand used for guiding the rolled piece into the water drainage section and enabling the rolled piece to enter the cooling section to be cooled; and the outlet guide is arranged at the front end of thewater inlet section and used for guiding the cooled rolled piece out of the water inlet section. The rod and wire water-passing cooling device overcomes the defects in the prior art and has the beneficial effects of being simple in structure, ingenious in design, easy to operate, reasonable and efficient in cooling manner and the like, the rolled piece can keep high heat exchange efficiency all the time in the cooling process, the cooling rate of the water-passing cooling device is effectively increased, the cooling effect of the water-passing cooling device is effectively improved, the finished product quality of the rolled piece is remarkably improved, and production energy consumption is reduced.

Description

technical field [0001] The invention relates to the field of steel rolling, in particular to a water-piercing cooling device for rods and wires. Background technique [0002] In the production process of rods and wires, in order to reduce the content of alloy addition, control carbides and obtain ideal microstructure and grain size, it is very important to control the temperature of the steel from the surface to the core by using a controlled cooling device after rolling means. At present, the most widely used cooling device in China is the water-through cooling device. The water-through cooling device is mainly composed of inlet guides, water-cooling nozzles, turbulent flow pipes, return water tanks, outlet guides and purge devices. When working, the moving high-temperature rods and wires enter the cooling device from the inlet guide, and the high-pressure cooling water is sprayed from the water-cooling nozzle to the surface of the rods and wires, and enters the turbulent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B45/02
CPCB21B45/0209B21B45/0233B21B2045/0212
Inventor 范仲纪王卫卫林华春廖琳琳李丰德周道树潘富强白宇宋为丁哲毅
Owner 福建三钢闽光股份有限公司
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