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Device and method for manufacturing metallurgical compounding metal blank

A composite metal and billet technology, which is applied in the field of devices for manufacturing metallurgical composite metal blanks, can solve the problems of cooling plate melting, inability to fuse, and mixing of base metal liquid and double plate metal liquid, and achieve high strength and good quality control.

Active Publication Date: 2018-12-21
ANGANG STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the composite methods involved in the above two patent documents have their own strengths, they all have shortcomings: Patent 1 has the problem that the cooling plate is melted during the pouring process, resulting in the mixing of the molten metal of the substrate and the molten metal of the double plate, which cannot be solved
The problem in patent 2 is that the temperature of the base metal billet is far lower than the temperature of the composite metal liquid, so that the two cannot be fused together, and the problem of metallurgical composite cannot be realized

Method used

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  • Device and method for manufacturing metallurgical compounding metal blank

Examples

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Effect test

Embodiment 1

[0043] Ferritic 410L stainless steel and low carbon steel Q235 carbon steel composite round billet: the outer composite metal 6 is made of 410L stainless steel pipe, with an outer diameter of φ180, a wall thickness of 5mm, and a length of 8 meters.

[0044] 1) Degrease and dry the inner surface of the stainless steel pipe, then push in the refractory bottom plate 4 made of MgO and the bottom sealing plate 7 made of Q195 from one end, and then put the outer composite metal cylinder 6 and the bottom sealing plate The annular gap between the plates 7 is welded; finally, it is vertically penetrated into the primary cooler 1, the induction heating ring 2 and the secondary cooler 3, and fixed;

[0045] 2) Place the pouring nozzle 5 and other pouring devices directly above the external composite metal cylinder 6, and insert the pouring nozzle 5 into the external composite metal cylinder 6 to a depth of 1 meter. Blow argon into the cylinder;

[0046] 3) Lower the primary cooler 1 to ...

Embodiment 2

[0052] 304 austenitic stainless steel and low carbon steel Q345 carbon steel composite slab: the external composite metal cylinder 6 is made of 304 stainless steel, length: 1.5m, width: 230mm, height: 7 meters, wall thickness 7mm.

[0053] 1) Degrease and dry the inner surface of the stainless steel cylinder, then push in the magnesia-carbon refractory bottom plate 4 and the bottom sealing plate 7 made of Q195 from one end, and then push the outer composite metal cylinder 6 and the bottom The gap between the sealing plates 7 is welded; finally, it is vertically penetrated into the primary cooler 1, the induction heating ring 2 and the secondary cooler 3, and fixed;

[0054] 2) Place the pouring nozzle 5 and other pouring devices directly above the external composite metal cylinder 6, and insert the pouring nozzle 5 into the external composite metal cylinder 6 to a depth of 1 meter. Blow argon into the cylinder;

[0055] 3) Lower the primary cooler 1 to the lowermost end of th...

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Abstract

The invention provides a device and method for manufacturing a metallurgical compounding metal blank. The device for manufacturing the metallurgical compounding metal blank comprises a first-grade cooler, an induction heating ring, a second-grade cooler and a casting opening. The first-grade cooler, the induction heating ring and the second-grade cooler are arranged on the periphery of an externalcompounding metal cylinder. The second-grade cooler and the induction heating ring are mutually spaced and fixed into a whole. The first-grade cooler is arranged above the second-grade cooler and theinduction heating ring. The casting opening is formed over the external compounding metal cylinder and coaxial with the external compounding metal cylinder. The bottom of the external compounding metal cylinder is sealed by a refractory base plate and a base plate seal plate. The device and method for manufacturing the metallurgical compounding metal blank have the beneficial effects that matrixmetal and compounding metal achieve real metallurgical compounding, and the binding layer is high in strength; a mixed layer with a controllable thickness exists between the matrix metal and the compounding metal, gradual performance transition from the compounding layer to the matrix can be achieved, and quality control in the rolling process is facilitated; and the device and method for manufacturing the metallurgical compounding metal blank is suitable for plates and sectional materials.

Description

technical field [0001] The invention belongs to the field of metallurgical composite manufacturing of metal blanks, relates to sintering production technology, in particular to a device and method for manufacturing metallurgical composite metal blanks. Background technique [0002] Composite metal materials, such as pipes, rods and wires, plates, etc., are composite steel materials that have both the mechanical properties of the base steel and the corrosion resistance of the composite metal. In the process of use, it can greatly improve the service life and aesthetics of steel, which is the development direction of steel application. Among them, there are few methods that can realize the metallurgical compounding of base metal and composite metal, and the cost is very high, such as electrothermal spraying, which makes users unable to afford the high price. Therefore, there is an urgent need for a metallurgical clad metal billet manufacturing method that can not only realize...

Claims

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Application Information

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IPC IPC(8): B22D19/16B22D27/04
CPCB22D19/16B22D27/04
Inventor 黄玉平康伟赵成林廖相巍郭庆涛李德军贾吉祥许孟春唐雪峰柴明亮
Owner ANGANG STEEL CO LTD