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Liquid metal long-distance conveying method and device thereof

A liquid metal and conveying device technology, which is applied in the direction of liquid distribution, conveying or transfer device, distribution device, transportation and packaging, etc., can solve the problems of liquid metal flow out of control, liquid metal flow slowdown, cracking and leakage at joints, etc., to achieve the goal of conveying The effect of long distance, energy saving and pollution reduction

Inactive Publication Date: 2019-06-14
HUNAN HONGFEI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The temperature of liquid metal is usually higher than 400°. After entering the flow channel, the severe temperature change will deform and twist the profile, resulting in cracking and leakage at the joint. It needs to be replaced frequently, delaying the working time
[0010] Canned transportation and runner transportation also have a common feature - bonding, liquid metal is very easy to form a crystallization layer on the contact surface of the metal container, and gradually pile up into blocks, so as to block the flow channel, slow down or stop the flow of liquid metal, Causes uncontrolled flow of liquid metal
Similarly, the volume of the tank body is also smaller and smaller due to the bonding of the inner surface, resulting in scrapping

Method used

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  • Liquid metal long-distance conveying method and device thereof
  • Liquid metal long-distance conveying method and device thereof
  • Liquid metal long-distance conveying method and device thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Embodiment 1, the present invention includes the following steps: before conveying, the heating module of the conveying channel that needs to be worked can be opened first, and the conveying channel is preheated to ensure the fluidity of the liquid metal, and then the molten liquid metal is injected into the The inclined conveying channel can make use of the gravitational potential energy of the liquid to convey the liquid metal in a way of self-flow without power. Considering the flow rate requirements, safety requirements, liquid specific gravity, tank life and liquid temperature, the inclination angle is 2.2 °, the most balanced in all aspects, the degree of controllability is higher when passing through the bend, and the temperature of the liquid metal when it flows in the conveying channel is kept above its melting point. For the flow direction of metal, if a smelting pot needs to transport liquid, close the main flow ram at that place. Similarly, when the downstrea...

Embodiment 2

[0037] Embodiment 2, the present invention includes a delivery channel and a diversion control valve 22, the center of the delivery channel is a chute body 1, and the outer wall of the chute body 1 is covered with a heat radiation reflecting film 2 to transmit most of the chute body The heat of the body 1 is reflected back to prevent heat loss. A heating module is arranged on the outside of the heat radiation reflecting film 2 for heating the chute body 1 midway. The electric power of the heating module depends on the melting point of the liquid metal and the Fluidity design, according to calculations and experiments, the surface temperature of the chute needs to be 50°C-80°C above the melting point of the metal to ensure sufficient fluidity of the liquid metal. The two sides of the top of the chute body 1 are respectively equipped with heating modules The bead 3 is fixed on the top, and an openable chute cover is arranged between the bead 3 on both sides of the top of the chut...

Embodiment 3

[0038] Embodiment 3, the present invention includes a delivery channel and a diversion control valve 22, the center of the delivery channel is a chute body 1, and the outer wall of the chute body 1 is covered with a heat radiation reflection film 2 to pass most of the chute body The heat of the body 1 is reflected back to prevent heat loss. A heating module is arranged on the outside of the heat radiation reflecting film 2 for heating the chute body 1 midway. The electric power of the heating module depends on the melting point of the liquid metal and the Fluidity design, according to calculations and experiments, the surface temperature of the chute needs to reach 50°C above the melting point of the metal to ensure sufficient fluidity of the liquid metal. The two sides of the top of the chute body 1 are respectively provided with a fixed connection with the top of the heating module. The bead 3 on both sides of the top of the chute body 1 is also provided with a chute cover th...

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Abstract

The invention discloses a liquid metal long-distance conveying method. The liquid metal long-distance conveying method is characterized in that molten liquid metal is injected into a conveying channelarranged in an inclined manner, the liquid metal flows from high to low along the conveying channel by means of the gravity, it is kept that the temperature of the liquid metal is above the melting point when the liquid metal flows in the conveying channel, a plurality of flow splitting control valves (22) are arranged on the conveying channel according to sections to control the flow direction of the liquid metal, and finally the liquid metal is transported to a subsequent melting pot. The invention also discloses a liquid metal long-distance conveying device used in the method; and the liquid metal long-distance conveying device is characterized in that the conveying channel and the flow splitting control valves (22) are included. The liquid metal long-distance conveying method and device have the advantages of being smooth in transportation, longer in conveying distance, simple in design, low in cost, high in work efficiency, capable of saving energy saving and reducing pollution and the like.

Description

technical field [0001] The invention relates to the field of nonferrous metal smelting, in particular to a liquid metal long-distance transport method and a device thereof. Background technique [0002] The raw materials for non-ferrous metal smelting are associated ores of various metals, which contain precious materials such as gold, silver, copper, zinc, and tin. The pyrometallurgy process is the process of gradually separating, extracting and purifying various precious metals from liquid raw materials by using the characteristics of different melting points of different metal elements. The process methods mainly include pyrometallurgy and hydrometallurgy. [0003] At present, the smelting process of non-ferrous metals in China mainly adopts fire smelting—heating the molten raw material liquid metal liquid to different temperature ranges, generally 320° to 1100°, so that certain metal elements form compounds through chemical reactions and float. On the surface of the li...

Claims

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Application Information

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IPC IPC(8): B67D7/02B67D7/82
Inventor 谭跃红黄洌
Owner HUNAN HONGFEI MACHINERY
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