阅读说明：本技术 一种海绵钛还原生产去除镁中杂质的装置及其生产工艺 (Device for removing impurities in magnesium in titanium sponge reduction production and production process thereof ) 是由 刘方明 毛业桥 王邦兴 孙榜怀 欧德怀 李迎春 彭飞翔 于 2019-12-10 设计创作，主要内容包括：一种海绵钛还原生产去除镁中杂质的装置及其生产工艺,装置由反应器、密封垫、大盖、排压管、橡胶堵头、加料管、氯化镁管和筛板组成；该工艺从氯化镁管充入氩气,氩气通过氯化镁管达到筛板底部,从筛板的多个孔洞对液体镁进行氩气搅拌；同时从加料管处加入四氯化钛与液体镁反应生成钛颗粒,钛颗粒吸附液体镁中的杂质沉淀到反应器底部；打开橡胶堵头,持续5～20分钟后,停止加料和停止充氩,堵上橡胶堵头；静置20～30分钟开始正常加料生产；排放氯化镁时,沉淀在反应器底部的杂质沿氯化镁管排出反应器外。本发明生产工艺操作简单,方法简便并能除去液体镁中的杂质,消除这些杂质对海绵钛的还原生产过程影响,从而提高海绵钛产品质量。(A device for removing impurities in magnesium in titanium sponge reduction production and a production process thereof are disclosed, wherein the device consists of a reactor, a sealing gasket, a large cover, a pressure discharge pipe, a rubber plug, a feeding pipe, a magnesium chloride pipe and a sieve plate; argon is filled into the magnesium chloride tube, the argon reaches the bottom of the sieve plate through the magnesium chloride tube, and the liquid magnesium is stirred by the argon through a plurality of holes of the sieve plate; meanwhile, titanium tetrachloride is added from the feeding pipe to react with the liquid magnesium to generate titanium particles, and the titanium particles adsorb impurities in the liquid magnesium and precipitate to the bottom of the reactor; opening the rubber plug, and stopping feeding and argon filling after lasting for 5-20 minutes, and plugging the rubber plug; standing for 20-30 minutes to start normal feeding production; when discharging the magnesium chloride, the impurities precipitated at the bottom of the reactor are discharged out of the reactor along the magnesium chloride pipe. The production process of the invention has simple operation and simple and convenient method, can remove impurities in the liquid magnesium, and eliminates the influence of the impurities on the reduction production process of the titanium sponge, thereby improving the quality of the titanium sponge product.)

1. The utility model provides a device of impurity in titanium sponge reduction production removal magnesium which characterized in that: the device mainly comprises a reactor (1), a sealing gasket (2), a large cover (3), a pressure discharge pipe (4), a rubber plug (5), a feeding pipe (6), a magnesium chloride pipe (7) and a sieve plate (9); the sieve plate (9) is arranged below the inside of the reactor (1), a sealing gasket (2) is arranged between the large cover (3) and the reactor (1), a pressure discharge pipe (4) and a feeding pipe (6) are arranged on the large cover (3), a rubber plug (5) is arranged on the pressure discharge pipe (4), and a magnesium chloride pipe (7) is arranged on the reactor (1).

2. The apparatus for removing impurities in magnesium in the reduction production of titanium sponge according to claim 1, wherein: the feeding pipe (6) is connected with a feeding system.

3. The apparatus for removing impurities in magnesium in the reduction production of titanium sponge according to claim 1, wherein: a blind plate is arranged at the pipe orifice of the magnesium chloride pipe (7) arranged outside the reactor 1.

4. The apparatus for removing impurities in magnesium in the reduction production of titanium sponge according to claim 1, wherein: more than two holes are arranged on the sieve plate (9).

5. A production process for removing impurities in magnesium in titanium sponge reduction production is characterized in that: when reduction production is carried out, argon is filled into the magnesium chloride tube (7), the argon reaches the bottom of the sieve plate (9) through the magnesium chloride tube (7), and the liquid magnesium (8) is stirred by the argon through a plurality of holes of the sieve plate (9); meanwhile, titanium tetrachloride is added from the feeding pipe (6) to react with the liquid magnesium (8) to generate titanium particles, and the titanium particles adsorb impurities in the liquid magnesium (8) and precipitate to the bottom of the reactor (1); opening the rubber plug (5), and after 5-20 minutes, stopping feeding and argon filling, and plugging the rubber plug (5); standing for 20-30 minutes to start normal feeding production; when discharging the magnesium chloride, impurities precipitated at the bottom of the reactor (1) are discharged out of the reactor (1) along the magnesium chloride pipe (7).

Technical Field

The invention relates to production of titanium sponge, in particular to a device for removing impurities in magnesium in reduction production of titanium sponge and a production process thereof.

Background

At present, the magnesium refining at home and abroad mostly adopts a solvent method to remove impurities in crude magnesium, and the impurities in the crude magnesium are removed by the solvent method to achieve refined magnesium, particularly in titanium sponge manufacturers, the requirement on the purity of the refined magnesium is particularly high, and the impurities directly influence the quality of titanium sponge products. Most of reducing agent metal magnesium used in the reduction process adopts molten metal magnesium, heavy metal impurities mixed in magnesium ingots and non-metal impurities are mixed in the molten metal magnesium after being melted, and if the heavy metal impurities and the non-metal impurities are not removed in time, the heavy metal impurities and the non-metal impurities are mixed in titanium sponge lumps in the reduction production process and are difficult to remove by distillation, so that the Brinell hardness of the quality index of the titanium sponge products is increased, and the quality of the titanium sponge products is influenced.

Disclosure of Invention

The invention aims to solve the technical problems that most of reducing agent metal magnesium used in the existing reducing process adopts molten metal magnesium, heavy metal impurities mixed in magnesium ingots and non-metal impurities are mixed in the molten metal magnesium after being melted, and if the heavy metal impurities and the non-metal impurities are not removed in time, the heavy metal impurities and the non-metal impurities are mixed in titanium sponge lumps in the reducing production process and are difficult to remove by distillation, so that the Brinell hardness of the quality index of a titanium sponge product is increased, and the quality of the titanium sponge product is influenced.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a device of impurity in titanium sponge reduction production removal magnesium which characterized in that: the device mainly comprises a reactor 1, a sealing gasket 2, a large cover 3, a pressure discharge pipe 4, a rubber plug 5, a feeding pipe 6, a magnesium chloride pipe 7 and a sieve plate 9; the sieve plate 9 is arranged below the reactor 1, a sealing gasket 2 is arranged between the large cover 3 and the reactor 1, a pressure discharge pipe 4 and a charging pipe 6 are arranged on the large cover 3, a rubber plug 5 is arranged on the pressure discharge pipe 4, and a magnesium chloride pipe 7 is arranged on the reactor 1.

The charging pipe 6 is connected with a charging system.

A blind plate is arranged at the pipe orifice of the magnesium chloride pipe 7 outside the reactor 1.

The sieve plate 9 is provided with more than two holes.

A production process for removing impurities in magnesium in titanium sponge reduction production is characterized in that: when reduction production is started, argon is filled into the magnesium chloride tube 7, the argon reaches the bottom of the sieve plate 9 through the magnesium chloride tube 7, and the liquid magnesium 8 is stirred by the argon through a plurality of holes of the sieve plate 9; meanwhile, titanium tetrachloride is added from the feeding pipe 6 to react with the liquid magnesium 8 to generate titanium particles, and the titanium particles adsorb impurities in the liquid magnesium 8 and precipitate to the bottom of the reactor 1; opening the rubber plug 5, and after lasting for 5-20 minutes, stopping feeding and argon filling, and plugging the rubber plug 5; standing for 20-30 minutes to start normal feeding production; when discharging magnesium chloride, impurities precipitated at the bottom of the reactor 1 are discharged out of the reactor 1 along the magnesium chloride pipe 7.

The beneficial effect of adopting above-mentioned technical scheme is:

1. the invention fully stirs the liquid magnesium metal and the titanium particles under the drive of the argon gas, which is beneficial to the adsorption and precipitation of impurities in the magnesium metal by the titanium particles.

2. The production process of the invention has simple operation and simple and convenient method, can remove impurities in the liquid magnesium, and eliminates the influence of the impurities on the reduction production process of the titanium sponge, thereby improving the quality of the titanium sponge product.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In fig. 1: 1-reactor, 2-sealing pad, 3-big cover, 4-pressure-discharging pipe, 5-rubber plug, 6-charging pipe, 7-magnesium chloride pipe, 8-liquid magnesium, 9-sieve plate.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

as shown in figure 1, the device for removing impurities in magnesium in titanium sponge reduction production mainly comprises a reactor 1, a sealing gasket 2, a large cover 3, a pressure discharge pipe 4, a rubber plug 5, a feeding pipe 6, a magnesium chloride pipe 7 and a sieve plate 9; the sieve plate 9 is arranged below the reactor 1, a sealing gasket 2 is arranged between the large cover 3 and the reactor 1, a pressure discharge pipe 4 and a charging pipe 6 are arranged on the large cover 3, a rubber plug 5 is arranged on the pressure discharge pipe 4, and a magnesium chloride pipe 7 is arranged on the reactor 1.

The charging pipe 6 is connected with a charging system.

A blind plate is arranged at the pipe orifice of the magnesium chloride pipe 7 outside the reactor 1.

The sieve plate 9 is provided with more than two holes.

A titanium sponge reduction production removes the production technology of impurity in the magnesium, this process is while beginning to reduce the primary production, fill argon into from the magnesium chloride tube 7, the argon reaches the bottom of sieve 9 through the magnesium chloride tube 7, stir liquid magnesium 8 from multiple holes of the sieve 9 with argon; meanwhile, titanium tetrachloride is added from the feeding pipe 6 to react with the liquid magnesium 8 to generate titanium particles, and the titanium particles adsorb impurities in the liquid magnesium 8 and precipitate to the bottom of the reactor 1; opening the rubber plug 5, and after lasting for 5-20 minutes, stopping feeding and argon filling, and plugging the rubber plug 5; standing for 20-30 minutes to start normal feeding production; when discharging magnesium chloride, impurities precipitated at the bottom of the reactor 1 are discharged out of the reactor 1 along the magnesium chloride pipe 7.