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A control device for melt flow heat field for producing wide-width cast-rolled plates

A technology of regulating device and flow regulating device, which is applied in the field of metallurgical equipment, can solve the problems of not being able to meet the requirements of the thermal field of the wide-width production flow, unable to ensure the melt at the entrance of the wide-width casting nozzle, and difficult to realize the production of wide-width cast-rolled plates, etc. , to achieve good heat insulation effect, simple structure and low cost

Active Publication Date: 2015-10-28
YUNNAN ALUMINUM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, the production of cast-rolled slabs has gradually developed in the direction of wide production. The slab width has grown from 1000-1500mm to 1800mm, or even more than 2000mm. It is difficult to realize the production of wide-width cast-rolled plates by splitting and three-stage splitting
If a wide-entrance nozzle is used for horizontal casting and rolling, if the thermal field of the nozzle inlet flow can be kept stable and reasonable, theoretically it can definitely produce plates with a thickness of more than 2000mm, but the existing nozzle and the front box cannot meet the wide Flow heat field requirements during web production
For the production of wide-width cast-rolled plates, the current technical difficulty lies in the inability to ensure that the melt at the entrance of the wide-width casting nozzle is reasonable and stable, and at the same time, the convection heat field cannot be adjusted online

Method used

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  • A control device for melt flow heat field for producing wide-width cast-rolled plates
  • A control device for melt flow heat field for producing wide-width cast-rolled plates
  • A control device for melt flow heat field for producing wide-width cast-rolled plates

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment provides a control device for producing a melt flow heat field for wide-width cast-rolled plates, such as figure 1 as well as figure 2 , when the melt 5 flows through the channel 12, such as image 3 As shown, the overall structure is simplified and the production cost is low.

[0032] The device includes a thermal insulation component 2 and a control device 3, the thermal insulation component 2 includes N thermal insulation monomers 21, N is greater than or equal to 2, preferably 6-14, which can meet the actual production requirements of more than 2000mm Demand for wide-width cast-rolled plates.

[0033] The regulating device 3 includes a temperature regulating device 31 and a flow regulating device 32 , and the temperature regulating device 31 is arranged on the flow regulating device 32 .

[0034] The heat insulation component 2 is arranged in the front box body 1, and the front box body 1 is divided into M cavities by the heat insulation unit 21,...

Embodiment 2

[0043] The production width of the 1060 aluminum alloy cast-rolled slabs with a width of 1950mm is as follows:

[0044] The heat insulation unit 21 divides the front box body 1 into 9 cavities, the number of heat insulation units 21 is 8, the width D2 of the cavity is 200 mm, and the width D1 of the heat insulation unit 21 is Both are 60 mm, the length L1 is 100 mm, and the distance d from the front end of the thermal insulation unit 21 to the nozzle 4 is 200 mm.

[0045] The distance h from the bottom of the control device 3 to the bottom of the front box 1 is set to 15 mm, 17 mm, 21 mm and 25 mm from the middle to both sides.

[0046]During the production process, according to the online measurement of the temperature of each section at the entrance of the nozzle 12, the adjustment is made according to the difference between the measured temperature of each section and the expected period. When the measured value is 3°C higher or lower than the expected value, the correspond...

Embodiment 3

[0049] The production width of the 1235 aluminum alloy cast-rolled slabs of 2080mm by the regulation and control device of the melt flow thermal field used in the production of wide-width cast-rolled slabs of Example 1 is as follows:

[0050] The heat insulation unit 21 divides the front box body 1 into 11 cavities, the number of heat insulation units 21 is 10, the width D2 of the cavity is 150 mm, and the width D1 of the heat insulation unit 21 is Both are 50 mm, the length L1 is 100 mm, and the distance d from the front end of the thermal insulation unit 21 to the nozzle 4 is 230 mm.

[0051] The distance h from the bottom of the control device 3 to the bottom of the front box 1 is set to 15 mm, 16 mm, 19 mm, 23 mm and 30 mm from the middle to both sides.

[0052] During the production process, according to the online measurement of the temperature of each section at the entrance of the nozzle 12, the adjustment is made according to the difference between the measured temper...

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Abstract

The invention provides a regulation device of a melt flow thermal field for producing a large-width cast-rolling plate. The regulation device comprises a heat insulation part and a regulation device body. The heat insulation part comprises a plurality of heat insulation single bodies. The regulation device body comprises temperature control equipment and flow regulation equipment, and the temperature control equipment is arranged on the flow regulation equipment. The heat insulation part is arranged inside a front box body and divides the front box body into a plurality of cavities through the heat insulation single bodies. The regulation equipment is arranged in the cavities, and forms a channel with the heat insulation single bodies and the bottom of the front box body, and the channel is communicated with an inlet and a casting nozzle of the front box body. The regulation device is concise in overall structure and low in production cost, the heat insulation single bodies are used for forming the channel structure in a dividing mode, the temperature control equipment and the flow regulation equipment are included, when melt flows to the channel, the melt can be divided into a plurality of strands, the temperature and the flow velocity of all the strands of melt can be well regulated according to actual needs, and therefore the entire flow thermal field of the melt is even and stable.

Description

technical field [0001] The invention relates to the field of metallurgical equipment, in particular to a device for regulating and controlling the melt flow heat field for producing wide-width cast-rolled plates. Background technique [0002] In recent years, the production of cast-rolled slabs has gradually developed in the direction of wide production. The slab width has grown from 1000-1500mm to 1800mm, or even more than 2000mm. Splitting and three-stage splitting are difficult to realize the production of wide-width cast-rolled plates. If a wide-entrance nozzle is used for horizontal casting and rolling, if the thermal field of the nozzle inlet flow can be kept stable and reasonable, theoretically it can definitely produce plates with a thickness of more than 2000mm, but the existing nozzle and the front box cannot meet the wide Flow heat field requirements during web production. For the production of wide-width casting and rolling plates, the current technical difficu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/06B22D11/18
Inventor 邓运来戴青松李永平付利智张劲姜科达熊崇礼王义仁王洋胥福顺
Owner YUNNAN ALUMINUM
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