Device and method for adding material in metal smelting process

Abstract

The present invention proposes a device and method for adding materials during the metal / alloy smelting process. By adding material and inert gas into a metal / alloy tube and then sealing it, the sealed metal / alloy tube is ejected into the molten metal / alloy through high-pressure inert gas. The inert gas in the metal or alloy part rapidly expands and disperses under the action of high temperature, which not only improves the uniformity of the material in the molten metal / alloy, but also greatly improves the production efficiency of the material.

Description

Technical Field

[0001] The present invention relates to the technical field of metal-based material preparation equipment, and in particular to a device for adding materials in a metal smelting process. Background Art

[0002] In the prior art, metals are mixed with other materials by powder metallurgy, which produces metal powder or a mixture of metal powder and non-metallic powder as raw material, and then forms and sinters them to produce metal materials, composite materials and various types of products.

[0003] The above technologies have the problem of poor dispersion between different materials, especially the composite of graphene materials and metal materials. Currently, the most commonly used method for preparing graphene / metal composite materials is powder metallurgy, which includes the following methods:

[0004] 1. Powder mixing method: Mechanically mixing graphene with metal powder will cause graphene to agglomerate, making it difficult to completely disperse the graphene and metal powder evenly.

[0005] 2. Wet mechanical stirring and mixing: graphene and metal powder are mechanically stirred and mixed in an organic solvent, and the dispersion uniformity is poor.

[0006] 3. Surface modification and charge attraction method: by adding surfactants to improve the dispersibility of graphene and metal powder and the stability of the solution, the dispersion uniformity is poor.

[0007] 4. Ball milling method: The structure of graphene is often destroyed, thereby reducing the effect of graphene on improving the performance of composite materials. Summary of the Invention

[0008] The purpose of the present invention is to provide a device for adding materials during metal smelting to solve the technical problem of uneven dispersion of added materials in the molten metal during metal smelting and to greatly improve the production efficiency of materials.

[0009] A device for adding material during a metal smelting process, comprising:

[0010] a material adding device, for receiving added material and receiving inert gas;

[0011] a conveying pipeline connected to the material adding device and used to convey the material using the inert gas;

[0012] Punching device for punching holes in metal pipes;

[0013] a feeding device connected to the conveying pipeline, for conveying the material into the metal tube through the hole using the inert gas;

[0014] an inflatable sealing device, used to fill the holes on the metal tube with inert gas and then seal the metal tube;

[0015] a high-pressure gas shooting feeder for receiving a closed metal tube and for receiving a high-pressure inert gas, wherein the high-pressure inert gas shoots the metal tube into the molten metal;

[0016] Melting device, used to melt metal.

[0017] The device for adding material in a metal smelting process as described above comprises:

[0018] A metal pipe conveying device, used for conveying metal pipes;

[0019] A closing device, used to press and close one end of the metal tube;

[0020] The cutting device is used to cut the metal tube between two adjacent compressed and sealed places.

[0021] As described above, the device for adding materials in a metal smelting process comprises a feeding hopper, or the material adding device comprises a feeding hopper, a powder adding device, a liquid tank and a stirrer.

[0022] As described above, in the device for adding materials in the metal smelting process, the conveying pipeline is provided with a flow rate regulating device, an ultrasonic processor and a switch element, and the switch element is in a normally closed state.

[0023] As described above, in the device for adding materials in the metal smelting process, a drying device is provided between the feeding device and the inflation and sealing device for drying the material in the metal tube.

[0024] As described above, the device for adding material in the metal smelting process has a gas interface, which is connected to an inert gas storage device or an inert gas manufacturing device; the inflatable sealing device is connected to an inert gas storage device or an inert gas manufacturing device through a switching element.

[0025] As described above, the device for adding materials in the metal smelting process, the high-pressure gas shooting feeder is connected to an inert gas storage device or an inert gas manufacturing device through a switching element and an elastic energy storage pack, the switching element is in a normally closed state, and the switching element is used to be controlled to open when the pressure of the elastic energy storage pack reaches a set pressure.

[0026] The device for adding material in a metal smelting process as described above comprises a metal tube straightening device.

[0027] The device for adding materials in the metal smelting process as described above includes a stirrer for stirring the molten metal, the rotating shaft of the stirrer has a hollow cavity, and the metal tube ejected by the high-pressure gas shooting feeder passes through the hollow cavity into the molten metal; or, the device includes a stirrer for stirring the molten metal, and the high-pressure gas shooting feeder directly ejects the metal tube into the molten metal.

[0028] A method for adding material during metal smelting:

[0029] Add materials into the metal tube and fill it with inert gas before sealing it;

[0030] A closed metal tube is injected into the molten metal using an inert gas.

[0031] The beneficial effects of the present invention are as follows: the device for adding material during metal smelting of the present invention adds material and inert gas into a metal tube, seals the tube, and ejects the sealed metal tube into the molten metal through high-pressure inert gas. The inert gas in the metal part rapidly expands and disperses under the action of high temperature, thereby greatly improving the dispersion effect of the material in the metal. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1a -d is a schematic diagram of the first specific embodiment of the present invention.

[0034] Figure 2 Schematic diagram of a second specific embodiment of the present invention.

[0035] In the figure, feeder 1, roller 2, first straightening feeder 3, straightening roller 31, hand wheel 32, closing device 4, pressing head 41, second straightening feeder 5, punching device 6, punching needle 61, third straightening feeder 7, feeding device 8, fourth straightening feeder 9, drying device 10, inflation sealing device 11, inflation needle 111, pressing head 112, fifth straightening feeder 12, cutting device 13, sixth straightening feeder 14, high-pressure gas shooting feeder 15, rotary joint 16, stirrer 17, melting device 18, inert gas storage device 101, inert gas manufacturing equipment 102, gas storage device 103, powder adding device 144, feeding hopper 141, liquid tank 142, stirrer 143, conveying pipeline 112, flow rate regulating device 106, ultrasonic processor 107, elastic energy storage bag 108,

[0036] Switching element 109. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] Example 1

[0039] like Figure 1a -c, this embodiment proposes a device for adding materials in a metal smelting process, comprising a feeder 1, a roller 2, a first straightening feeder 3, a closing device 4, a second straightening feeder 5, a punching device 6, a third straightening feeder 7, a feeding device 8, a fourth straightening feeder 9, a drying device 10, an inflation and closing device 11, a fifth straightening feeder 12, a cutting device 13, a sixth straightening feeder 14, a high-pressure gas shooting feeder 15, a rotary joint 16, a stirrer 17, and a melting device 18, which are sequentially arranged on the production line.

[0040] This embodiment also includes a feeding system and a pneumatic system, and the pneumatic system includes an air compressor and a solenoid valve.

[0041] The following is a detailed description of each part:

[0042] The metal pipe conveying device is used to convey metal pipes. The metal pipe conveying device of this embodiment includes a feeder 1, a roller 2, a first straightening feeder 3, a second straightening feeder 5, a third straightening feeder 7, a fourth straightening feeder 9, a fifth straightening feeder 12 and a sixth straightening feeder 14.

[0043] The metal pipe is rolled on the feeder 1 and enters the first straightening feeder 3 through the roller 2 for straightening.

[0044] The first straightening feeder 3 includes a straightening roller 31 , which is driven by a motor. The straightening roller 31 can also be adjusted in spacing by a hand wheel 32 to accommodate metal pipes of various diameters.

[0045] All the straightening feeders in this embodiment play the role of straightening and feeding, and other straightening feeders will not be described in detail.

[0046] A closing device 4 is provided behind the first straightening feeder 3 to compress and seal one end of the metal tube. The closing device 4 comprises two pressing heads 41, each mounted on a cylinder powered by a pneumatic system. The cylinders draw the two pressing heads 41 toward and press the metal tube, tightening it, and then separating.

[0047] The punching device 6 is used to punch holes in the metal pipe. The punching device 6 has two punching needles 61, each of which is provided on a cylinder. The cylinder is powered by a pneumatic system. Under the action of the cylinder, the two punching needles 61 approach and press the metal pipe tightly, and then the two punching needles 61 separate.

[0048] The feeding device 8 is connected to the feeding system through a conveying pipeline, and is used to convey the material of the feeding system into the metal pipe through the hole using the inert gas.

[0049] Specifically, the feeding system of this embodiment includes an inert gas storage device 101, an inert gas production device 102, a gas storage device 103, a material adding device, a conveying pipeline 112, a flow rate regulating device 106, an ultrasonic processor 107, an elastic energy storage pack 108 and a switching element 109.

[0050] The inert gas storage device 101 is generally an inert gas storage tank, which is used to store inert gas.

[0051] The inert gas production equipment 102 is generally a gas generator, which is used to prepare inert gas.

[0052] Generally, the inert gas produced by the inert gas production equipment 102 is temporarily stored in the gas storage device 103 .

[0053] The inert gas storage device 101 and the inert gas production equipment 102 complement each other to ensure that the amount of inert gas can meet the use demand. Of course, only the inert gas storage device 101 or the inert gas production equipment 102 and the gas storage device 103 can be provided.

[0054] The material adding device is used to add material and receive inert gas. The material may be, for example, graphene powder or a dispersion formed by graphene powder, a swelling agent, an organic solvent, and the like.

[0055] The material adding device is a hopper 141 , through which the material is added.

[0056] The material adding device may further include a powder adding device 144, a hopper 141, a liquid tank 142, and a stirrer 143. The powder adding device 144 is used to add powder, the liquid tank 142 is used to add liquid, and the stirrer 143 is used to stir the powder and liquid in the hopper 141.

[0057] The material adding device includes a gas interface for receiving inert gas. The gas interface is connected to the inert gas storage device 101 or the gas storage device 103. The inert gas enters the material adding device through the gas interface and flushes the material in the material adding device to the conveying pipeline 112.

[0058] The conveying pipeline 112 is connected to the material adding device and is used to convey the material using an inert gas.

[0059] A flow rate regulating device 106 , an ultrasonic processor 107 and a switch element 109 are sequentially arranged on the delivery pipeline 112 .

[0060] The flow rate regulating device 106 is used to regulate the flow rate of the inert gas and material in the conveying pipeline 112 .

[0061] The ultrasonic processor 107 is used to pre-disperse the material.

[0062] The switch element 109 is generally a solenoid valve and is in a normally closed state. The switch element 109 is used for controlled opening.

[0063] The elastic energy storage bag 108 is connected to the high-pressure gas shooting feeder 15 through a solenoid valve. The elastic energy storage bag 108 is used to temporarily store inert gas to increase the impact force during injection.

[0064] Specifically, the device has a controller, and a pressure detection unit is set in the elastic energy storage bag 108. The pressure detection unit detects the pressure of the elastic energy storage bag 108. When the pressure of the elastic energy storage bag reaches a set value, the controller controls the solenoid valve to open.

[0065] The inert gas ejects the high-pressure gas shot feeder 15 into the molten metal.

[0066] The drying device 9 is used to dry the material in the metal tube.

[0067] The gas filling and sealing device 11 is used to fill the holes on the metal tube with inert gas and then seal the metal tube.

[0068] The inflatable sealing device 11 is connected to an inert gas storage device 101 or an inert gas production device 102 via a solenoid valve.

[0069] The inflatable sealing device 11 includes two inflation needles 111 and two compression heads 112 located on either side of the two inflation needles 111. The inflation needles 111 are equipped with sealing devices to prevent air leakage. The inflation needles 111 and compression heads 112 are mounted on a cylinder powered by a pneumatic system. Under the action of the cylinder, the compression heads 112 approach and compress the metal tube. The inflation needles 111 approach the metal tube to inflate. After the metal tube is compressed and the compression heads 112 are separated, the inflation needles 111 are separated.

[0070] The cutting device 13 is used to cut the metal pipe between two adjacent compressed and sealed locations.

[0071] The high-pressure gas shooting feeder 15 is used to receive the closed metal tube and the high-pressure inert gas, and the high-pressure inert gas shoots the metal tube into the molten metal.

[0072] The high-pressure gas shooting feeder 15 is connected to the inert gas storage device 101 or the inert gas production equipment 102 through the solenoid valve and the elastic energy storage pack 108. The solenoid valve is in a normally closed state and is controlled to open when the pressure of the elastic energy storage pack 108 reaches the set pressure.

[0073] The melting device 18 is used to melt the metal. The melting device 18 can be a furnace or other equipment. The melting device has a gas pipeline connected to the inert gas storage device 101 or the inert gas production device 102. When the melting device 18 melts the metal, it is filled with inert gas through the gas pipeline for protection.

[0074] This embodiment includes a stirrer 17 for stirring the molten metal to facilitate sufficient dispersion of the material in the molten metal. The stirrer 17 has a driving motor.

[0075] The rotating shaft of the stirrer 17 has a hollow cavity, and the metal pipe ejected by the high-pressure gas shooting feeder 15 passes through the hollow cavity into the molten metal. The outlet of the high-pressure gas shooting feeder 15 is connected to the rotating shaft of the stirrer 17 through a rotary joint 16.

[0076] This embodiment also proposes a method for adding materials during metal smelting.

[0077] Add materials into the metal tube and fill it with inert gas before sealing it;

[0078] A closed metal tube is injected into the molten metal using an inert gas.

[0079] Example 2

[0080] like Figure 2 As shown, the difference between this embodiment and the first embodiment is that the stirrer 17 and the high-pressure gas shooting feeder 15 of this embodiment are two independent components, and the high-pressure gas shooting feeder 15 directly shoots the metal tube into the molten metal.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A device for adding material during metal smelting, characterized in that: include: A metal tube conveying device is used to convey metal tubes; the metal tube conveying device includes a feeder with coiled metal tubes and several straightening feeders; Sequentially arranged on the metal pipe conveying device: A closing device is used to compress and seal the metal tube; the closing device has two pressing heads, each of which is provided on a cylinder. The cylinder is powered by a pneumatic system. Under the action of the cylinder, the two pressing heads approach and press the metal tube tightly, and then separate. A punching device for punching holes in a metal pipe; the punching device comprises two punching needles, each of which is provided on a cylinder powered by a pneumatic system. The cylinder is powered by a pneumatic system, and under the action of the cylinder, the two punching needles approach and press the metal pipe tightly, and then the two punching needles separate; A feeding device connected to a conveying pipeline, wherein the conveying pipeline is connected to a material adding device; the material adding device is used to receive added materials and inert gas; the conveying pipeline is used to convey the material using the inert gas; The feeding device is used to transport the material into the metal tube through the hole using the inert gas; An inflation sealing device is used to fill the hole on the metal tube with inert gas and then seal the metal tube; the inflation sealing device includes two inflation needles and two pressing heads located on both sides of the two inflation needles, the inflation needles are provided with sealing devices, the inflation needles and the pressing heads are arranged on a cylinder, and the cylinder is powered by a pneumatic system. Under the action of the cylinder, the pressing heads approach and press the metal tube, and the inflation needles approach the metal tube to inflate. After the inflation is completed and the metal tube is pressed, the pressing heads and the inflation needles are separated; a cutting device for cutting the metal tube from the compressed and sealed position; a high-pressure gas shooting feeder for receiving a closed metal tube and for receiving a high-pressure inert gas, wherein the high-pressure inert gas shoots the metal tube into the molten metal; Melting device, used to melt metal.

2. The device for adding material in a metal smelting process according to claim 1, characterized in that: The material adding device includes a hopper, or the material adding device includes a hopper, a powder adding device, a liquid tank and a stirrer.

3. The device for adding material in a metal smelting process according to claim 1, characterized in that: The delivery pipeline is provided with a flow rate regulating device, an ultrasonic processor and a switch element, and the switch element is in a normally closed state.

4. The device for adding material in a metal smelting process according to claim 1, characterized in that: A drying device is provided between the feeding device and the inflation and sealing device for drying the material in the metal tube.

5. The device for adding material in a metal smelting process according to claim 1, characterized in that: The material adding device has a gas interface, which is connected to an inert gas storage device or an inert gas production device; the gas filling and sealing device is connected to the inert gas storage device or the inert gas production device via a switching element.

6. The device for adding material in a metal smelting process according to claim 1, characterized in that: The high-pressure gas shooting feeder is connected to an inert gas storage device or an inert gas manufacturing device through a switch element and an elastic energy storage pack. The switch element is in a normally closed state and is used to be controlled to open when the pressure of the elastic energy storage pack reaches a set pressure.

7. The device for adding material in a metal smelting process according to claim 1, characterized in that: The device includes a metal tube straightening device.

8. The device for adding material in a metal smelting process according to claim 1, characterized in that: The device includes a stirrer for stirring the molten metal, wherein the rotating shaft of the stirrer has a hollow cavity, and the metal tube ejected by the high-pressure gas ejection feeder passes through the hollow cavity into the molten metal; Alternatively, the device comprises a stirrer for stirring the molten metal, and the high-pressure gas shot feeder directly shoots the metal tube into the molten metal.

9. A method for adding material in a metal smelting process according to any one of claims 1 to 8, characterized in that: The method is: Add materials into the metal tube and fill it with inert gas before sealing it; A closed metal tube is injected into the molten metal using an inert gas.

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