阅读说明：本技术 一种海绵钛蒸馏冷却装置与方法 (Titanium sponge distillation cooling device and method ) 是由 张美杰 程永强 和奔流 刘峰 王丽艳 杨倩 张军丽 张建林 张燕平 赵冠杰 杨德 于 2021-08-26 设计创作，主要内容包括：本发明公开了海绵钛蒸馏冷却装置与方法,属于金属冶炼领域。解决了现有技术中冷却后期冷却水与钛坨的温差小,冷却效率低的问题。本发明包括还原反应器(4)和夹套冷却器(5),所述还原反应器(4)位于夹套冷却器(5)的内部,所述夹套冷却器(5)内壁设置有喷淋冷却系统,所述还原反应器(4)的顶部设置有反应器大盖(9),所述反应器大盖(9)设置有保护气通道,所述保护气通道一端连接有惰性气体供应系统,另一端与还原反应器(4)内部连通,所述反应器大盖(9)中部设置有加料口(10),所述加料口(10)连接有换热器(7)。本发明通过水冷与气冷相结合,直接冷却与间接冷却相接合,能够极大地提高冷却效率。(The invention discloses a titanium sponge distillation cooling device and a method, and belongs to the field of metal smelting. The problem of among the prior art cooling later stage cooling water and titanium stick together the difference in temperature little, cooling efficiency is low is solved. The device comprises a reduction reactor (4) and a jacket cooler (5), wherein the reduction reactor (4) is positioned inside the jacket cooler (5), a spraying cooling system is arranged on the inner wall of the jacket cooler (5), a reactor large cover (9) is arranged at the top of the reduction reactor (4), a protective gas channel is arranged on the reactor large cover (9), one end of the protective gas channel is connected with an inert gas supply system, the other end of the protective gas channel is communicated with the inside of the reduction reactor (4), a feed inlet (10) is arranged in the middle of the reactor large cover (9), and the feed inlet (10) is connected with a heat exchanger (7). According to the invention, through the combination of water cooling and air cooling, direct cooling and indirect cooling are combined, so that the cooling efficiency can be greatly improved.)

1. The utility model provides a titanium sponge distillation cooling device which characterized in that: the device comprises a reduction reactor (4) and a jacket cooler (5), wherein the reduction reactor (4) is positioned inside the jacket cooler (5), a spraying cooling system is arranged on the inner wall of the jacket cooler (5), a reactor large cover (9) is arranged at the top of the reduction reactor (4), a protective gas channel is arranged on the reactor large cover (9), one end of the protective gas channel is connected with an inert gas supply system, the other end of the protective gas channel is communicated with the inside of the reduction reactor (4), a feed inlet (10) is arranged in the middle of the reactor large cover (9), and the feed inlet (10) is connected with a heat exchanger (7).

2. The titanium sponge distillation cooling device according to claim 1, characterized in that: the top of the reduction reactor (4) is provided with a condensation reactor (2), the top of the condensation reactor (2) is connected with a vacuum tube (1), and the vacuum tube (1) is connected with a heat exchanger (7).

3. The titanium sponge distillation cooling device according to claim 2, characterized in that: the heat exchanger (7) is connected with a filter (8).

4. The titanium sponge distillation cooling device according to claim 1, characterized in that: the protective gas channel comprises an air inlet pipe (3) and an air inlet (11), the air inlet pipe (3) is located on the side face of the large reactor cover (9) and communicated with an inert gas supply system, the air inlet (11) is a groove formed in the large reactor cover (9) and communicated with the air inlet pipe (3), and the air inlet (11) is located inside the reduction reactor (4).

5. The titanium sponge distillation cooling device according to claim 1, characterized in that: the device is characterized by further comprising a cooling control system, wherein the cooling control system comprises a control unit and a temperature sensor, the temperature sensor is installed on the outer wall of the reduction reactor (4), the temperature sensor is in communication connection with the control unit, and the control unit is connected with an inert gas supply system.

6. A titanium sponge distillation cooling method using the titanium sponge distillation cooling device according to any one of claims 1 to 5, characterized by comprising the steps of:

step 1: the reduction reactor (4) is cooled by spraying through a spraying cooling system in a jacket cooler (5);

step 2: when the surface temperature of the reduction reactor (4) is reduced to 300-400 ℃, filling inert gas into the reduction reactor (4), and discharging the inert gas after the heat exchange with the titanium lump or hot gas in the reduction reactor (4);

and step 3: cooling and filtering the discharged inert gas, removing particles carried in the inert gas, and then discharging into the air.

7. The titanium sponge distillation cooling method according to claim 6, wherein the step 2 specifically comprises: the temperature sensor detects the temperature of the outer wall of the reduction reactor (4), when the temperature of the surface of the reduction reactor (4) is detected to be 300-400 ℃, a signal is transmitted to the control unit, the control unit controls the start of the inert gas supply system, the inert gas enters the reduction reactor (4) through the gas inlet pipe (3) and the gas inlet (11) in sequence and directly exchanges heat with the titanium lump or hot gas, and the heat exchanged inert gas is discharged out of the reduction reactor (4) from the charging hole (10).

Technical Field

The invention belongs to the field of metal smelting, and particularly relates to a titanium sponge distillation cooling device and method.

Background

At present, the production process of titanium sponge is a magnesiothermic reduction method, a large amount of liquid magnesium and partial magnesium chloride still remain after the reduction process is finished, magnesium and magnesium chloride in the titanium sponge need to be removed through distillation, a reactor containing titanium lumps needs to be cooled after the distillation is finished, the cooling process is to combine jacket cooling and spray water cooling at present, and the whole cooling process needs about 70 hours. The reason that cooling efficiency is low is that at the cooling later stage, the titanium sticks together and the difference in temperature of cooling water dwindles, and the titanium sticks together and breaks away from with the reactor wall, and the heat conductivity that the titanium sticks together and argon gas is lower, and the heat that the titanium sticks together is conducted on the reactor through argon gas, then discharges external environment through the cooling water.

Therefore, a new device is needed to be developed, and the rapid cooling of the titanium sponge lump in the later cooling period can be realized.

Disclosure of Invention

Aiming at the problems of small temperature difference between cooling water and a titanium lump and low cooling efficiency in the later cooling stage in the prior art, the invention provides a titanium sponge distillation cooling device and a method, and aims to provide a titanium sponge distillation cooling device and a method, wherein the titanium sponge distillation cooling device comprises: the cooling efficiency of the reactor is improved, and the cooling time is reduced.

The technical scheme adopted by the invention is as follows:

the utility model provides a titanium sponge distillation cooling device, includes reduction reactor and jacket cooler, reduction reactor is located the inside of jacket cooler, jacket cooler inner wall is provided with sprays cooling system, reduction reactor's top is provided with the big lid of reactor, the big lid of reactor is provided with the protection gas passageway, protection gas passageway one end is connected with inert gas supply system, and the other end and the inside intercommunication of reduction reactor, reactor big lid middle part is provided with the charge door, the charge door is connected with the heat exchanger.

Preferably, a condensation reactor is arranged at the top of the reduction reactor, a vacuum tube is connected to the top of the condensation reactor, and the vacuum tube is connected with the heat exchanger.

Preferably, a filter is connected to the heat exchanger.

Preferably, the protective gas channel includes intake pipe and air inlet, the intake pipe is located the side of the big lid of reactor and communicates with inert gas supply system, the air inlet is the recess that sets up on the big lid of reactor, just recess and intake pipe intercommunication, the air inlet is located inside the reduction reactor.

Preferably, the system further comprises a cooling control system, wherein the cooling control system comprises a control unit and a temperature sensor, the temperature sensor is installed on the outer wall of the reduction reactor, the temperature sensor is in communication connection with the control unit, and the control unit is connected with the inert gas supply system.

A titanium sponge distillation cooling method is characterized by comprising the following steps:

step 1: the reduction reactor is cooled by spraying through a spraying cooling system in a jacket cooler;

step 2: when the surface temperature of the reduction reactor is reduced to 300-400 ℃, filling inert gas into the reduction reactor, and discharging the inert gas after the heat exchange between the inert gas and the titanium lump or hot gas in the reduction reactor;

and step 3: cooling and filtering the discharged inert gas, removing particles carried in the inert gas, and then discharging into the air.

Preferably, step 2 specifically comprises: the temperature sensor detects the temperature of the outer wall of the reduction reactor, when the temperature of the surface of the reduction reactor is detected to be 300-400 ℃, a signal is transmitted to the control unit, the control unit controls the inert gas supply system to be started, the inert gas enters the reduction reactor through the gas inlet pipe and the gas inlet in sequence and directly exchanges heat with the titanium lump or the hot gas, and the inert gas after heat exchange is discharged out of the reduction reactor from the charging hole.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention combines water cooling and air cooling, and the direct cooling and the indirect cooling are combined. When the temperature of the reduction reactor is higher than 400 ℃, the shell of the reduction reactor is cooled by spraying through a spraying pipeline in a jacket cooler, and a large amount of heat is taken away by water with high specific heat capacity; after the temperature of the reduction reactor is reduced and the temperature difference between the reduction reactor and cooling water is reduced, inert gas is introduced to directly exchange heat with the high-temperature titanium lump, and the cooling efficiency is improved.

2. The invention is suitable for the upper discharging process and the lower discharging process of magnesium chloride, has wide application range, and only needs to exchange the positions of the gas inlet and the gas outlet of inert gas when the process is changed.

3. A large amount of low-price titanium and other particles in the cooled gas can be collected through a filter and recycled, and finally the filtered gas meeting the emission standard is discharged into the atmosphere or recycled.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic perspective view of a reactor lid;

FIG. 3 is a bottom view of the reactor lid.

Wherein, the device comprises a vacuum tube 1, a condensation reactor 2, an air inlet tube 3, a reduction reactor 4, a jacket cooler 5, a tail tube 6, a heat exchanger 7, a filter 8, a reactor large cover 9, a feed inlet 10 and an air inlet 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

The present invention is described in detail below with reference to fig. 1-3.

Example 1

A titanium sponge distillation cooling device is shown in figure 1 and comprises a reduction reactor 4 and a jacket cooler 5, wherein the reduction reactor 4 is positioned inside the jacket cooler 5, a spraying cooling system is arranged on the inner wall of the jacket cooler 5 and used for spraying cooling water to the outer wall of the reduction reactor 4 to cool the reduction reactor 4. The top of reduction reactor 4 is provided with reactor big lid 9, reactor big lid 9 is provided with the protection gas passageway, protection gas passageway one end is connected with inert gas supply system, and the other end and the inside intercommunication of reduction reactor 4, reactor big lid 9 middle part is provided with charge door 10, charge door 10 and heat exchanger 7 intercommunication. In this embodiment, the spray cooling system is a spray pipeline. The inert gas supply system comprises an inert gas generating device and a pipeline.

In this embodiment, the condensation reactor 2 is disposed on the top of the reduction reactor 4, and the condensation reactor 2 and the reduction reactor 4 are buckled together. The top of the condensation reactor 2 is connected with a vacuum tube 1, and the vacuum tube 1 is connected with a heat exchanger 7.

In this embodiment, the heat exchanger 7 is connected to a filter 8. The filter 8 is used for removing a large amount of particles such as low-price titanium and the like in the cooled gas, so that the gas meets the emission standard.

As shown in fig. 3, the shielding gas channel includes a gas inlet pipe 3 and a gas inlet 11, the gas inlet pipe 3 is located on the side surface of the reactor large cover 9 and is communicated with the inert gas supply system, the gas inlet 11 is a groove arranged on the reactor large cover 9, the groove is communicated with the gas inlet pipe 3, and the gas inlet 11 is located inside the reduction reactor 4.

The invention also comprises a cooling control system, wherein the cooling control system comprises a control unit and a temperature sensor, the temperature sensor is arranged on the outer wall of the reduction reactor 4, the temperature sensor is in communication connection with the control unit, and the control unit is connected with an inert gas supply system. In this embodiment, the control unit is a PLC controller. The temperature sensor is used for detecting the temperature of the outer wall of the reduction reactor 4 and transmitting the temperature information to the PLC, and the PLC judges whether the inert gas supply system needs to be started according to the temperature. When the temperature of the outer wall of the reduction reactor 4 reaches a set temperature range, the PLC controller starts the inert gas supply system to charge inert gas into the reduction reactor. In the present application, the inert gas is argon.

A titanium sponge distillation cooling method comprises the following steps:

step 1: the reduction reactor 4 is cooled by spraying through a spraying cooling system in a jacket cooler 5;

step 2: when the surface temperature of the reduction reactor 4 is reduced to 300-;

and step 3: cooling and filtering the discharged inert gas, removing particles carried in the inert gas, and then discharging into the air.

In this embodiment, step 2 specifically includes: the temperature sensor detects the temperature of the outer wall of the reduction reactor 4, when the temperature of the surface of the reduction reactor 4 is detected to be 300-.

The step 3 specifically comprises the following steps: the gas discharged from the charging hole 10 sequentially passes through the condensation reactor 2 and the vacuum tube 1 to enter the heat exchanger 7 to discharge heat through circulating water, the cooled gas enters the filter 8 to be filtered, a large amount of particles such as low-price titanium carried in the gas are recycled, and finally the filtered gas meeting the emission standard is discharged into the air.

The inert gas may be charged into the reduction reactor 4 at a positive pressure or the hot gas may be withdrawn out of the system from the reduction reactor 4 at a negative pressure.

Example 2

The technical scheme of the embodiment is basically the same as that of the embodiment 1, and the difference is that a magnesium chloride lower discharge process is adopted, two protective gas channels are arranged, each protective gas channel comprises an air inlet pipe 3 and an air inlet 11, inert gas is filled from one protective gas channel, and is exhausted from the other protective gas channel of the large cover after exchanging heat with the reactor, so that the heat is exhausted, or the inert gas flows reversely. The exit gas is then cooled and filtered.

Example 3

The technical scheme of the embodiment is basically the same as that of the embodiment 1, and the difference is that the magnesium chloride downward discharging process is adopted, and inert gas enters from a tail pipe 6, passes through high-temperature titanium lumps, and is discharged from a cover gas channel or a vacuum pipe or flows reversely.

Example 4

By adopting the magnesium chloride discharging process, inert gas is filled from a protective gas channel of the large cover, exchanges heat with the titanium lumps in the reactor and is discharged out of the reactor from a tail pipe 6 or flows in the reverse direction.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.