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A three-stage aluminum profile quenching cooling device and cooling method

A cooling method and technology of cooling device, which are applied in the direction of quenching device, furnace type, furnace, etc., can solve the problems of inability to accurately control the cooling rate of aluminum profiles of different materials and wall thicknesses, and the quenching deformation of aluminum alloy profiles.

Active Publication Date: 2017-06-16
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem that the existing quenching and cooling device cannot accurately control the cooling speed of aluminum profiles of different materials and wall thicknesses, resulting in serious quenching deformation of aluminum alloy profiles

Method used

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  • A three-stage aluminum profile quenching cooling device and cooling method
  • A three-stage aluminum profile quenching cooling device and cooling method

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Experimental program
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Effect test

Embodiment 1

[0026] A three-stage quenching and cooling method for aluminum profiles, comprising the following steps:

[0027] Step 1, the first section A is cooled by strong water mist;

[0028] When the aluminum profile passes through the first section A, the upper air nozzle 2 and the side air nozzle 5 of the upper front spraying device 1 pass through the upper air cooling system 16, the lower air nozzle 11 of the lower front spraying device 15 passes through the lower air cooling system 19, and the upper air nozzle 11 passes through the lower air cooling system 19. The upper nozzle 6, the side nozzle 7, and the atomizing nozzle 3 of the front spraying device 1 pass through the upper water system 17, and the lower nozzle 14 and the atomizing nozzle 3 of the lower front spraying device 15 pass through the lower water system 18 to strengthen the aluminum profile. Water mist quenching and cooling;

[0029] Step 2, the second section B is cooled by strong water mist;

[0030] When the alu...

Embodiment 2

[0036] A three-stage quenching and cooling device for aluminum profiles, including three-stage cooling methods, the first stage A is cooled by strong wind + water mist, the second stage B is cooled by strong water mist, and the third stage C is cooled by strong wind.

[0037] This three-stage quenching and cooling device for aluminum profiles is divided into three stages to achieve gradual cooling; the first stage A has functions including strong wind cooling, gas mist quenching and water mist quenching, and the second stage B has functions including strong wind cooling and water mist quenching. Fog quenching, the third section C has the function of strong wind cooling, the flow of wind and water can be adjusted proportionally, the strong wind cooling is to cool the aluminum profile through the fan, air duct and air nozzle, and the air volume can be adjusted by the air valve and the fan Adjustment; the gas mist quenching is to cool the aluminum profile through the gas valve and...

Embodiment 3

[0039] Such as figure 1 and figure 2 As shown, the first section A includes the upper front sprinkler 1 and the lower front sprinkler 15, the second section B includes the upper middle sprinkler 4 and the lower middle sprinkler 13, and the third section C includes the upper rear air-cooled Device 8 and lower rear air cooling device 10;

[0040] The upper front spray device 1, the upper middle spray device 4, and the upper rear air cooling device 8 are respectively arranged with an upper air nozzle 2 and a side air nozzle 5, and the upper air nozzle 2 and the side air nozzle 5 realize strong wind cooling and cooling through the upper air cooling system 16. proportional adjustment;

[0041] The upper front spray device 1 and the upper middle spray device 4 are also equipped with an upper nozzle 6 and a side nozzle 7. The upper nozzle 6 and the side nozzle 7 adjust the water pressure and flow rate through the upper water system 17 to realize water mist quenching. Features;

...

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Abstract

The invention provides a three-section type aluminum profile quenching and cooling device and method. Three sections are combined, the first section is cooled in a strong air and water mist manner, the second section is cooled in a strong water mist manner, and the third section is cooled in a strong air manner. In nozzles in different positions in each section, the flow of air and the flow of water can be proportionally adjusted; the different air cooling and water cooling nozzles are arranged on the periphery of the section of an aluminum profile, the flow of each nozzle can be adjusted in a stepless manner to be suitable for quenching and cooling of aluminum alloy profiles with different sections and of different specifications and materials, and the air volume and the water flow of each nozzle on each section can be adjusted according to the practical condition. By the adoption of the three-section type aluminum profile quenching and cooling device, the cooling speed range large enough can be provided, the cooling speed of different positions of each aluminum profile can be accurately controlled, and different quenching and cooling processes of the aluminum profiles with different sections and of different specifications and materials can be achieved.

Description

technical field [0001] The invention belongs to the field of metallurgical equipment, is a new device for on-line quenching and cooling in the rear finishing system of an aluminum extrusion machine, and mainly relates to a three-stage on-line quenching and cooling device suitable for the extrusion production process of aluminum profiles. Background technique [0002] In the extrusion process of aluminum profiles, after the aluminum profiles are hot-extruded by the extrusion machine, they need to be quenched and cooled, so that the comprehensive technical performance indicators such as hardness and strength can meet the quality requirements of aluminum profile products. [0003] Among the common on-line quenching methods for aluminum profiles, air-cooling quenching, gas mist quenching and water mist quenching have low cooling speeds, which are difficult to meet the quenching strength requirements, and the cooling speed is difficult to control; although the water immersion quen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/667C21D1/62C21D9/00C22F1/04
CPCC21D1/62C21D1/667C21D9/0062C22F1/002C22F1/04
Inventor 张君王军杨丹峰
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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