CN216878289U

CN216878289U - Titanium tetrachloride gas-liquid separator

Info

Publication number: CN216878289U
Application number: CN202123007044.1U
Authority: CN
Inventors: 李亮; 苏公昌; 胡元金
Original assignee: Titanium Industry Co Ltd of Pangang Group
Current assignee: Titanium Industry Co Ltd of Pangang Group
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-07-05
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a titanium tetrachloride gas-liquid separator applied to gas condensation recovery, which comprises: the gas-liquid inlet pipe and the liquid discharge pipe are connected with the side wall of the cone and communicated with the cavity of the cone, the exhaust pipe is connected with the top wall of the cone and communicated with the cavity of the cone, and a flow channel is arranged on the side of the cavity of the cone on the side of the side wall of the cone; the gas-liquid inlet pipe is closer to the top wall of the cone than the liquid discharge pipe. The titanium tetrachloride gas-liquid separator can improve the efficiency of gas condensation recovery and prevent the occurrence of cavitation in the gas condensation recovery process.

Description

Titanium tetrachloride gas-liquid separator

Technical Field

The utility model relates to a mineral processing technology field especially relates to a titanium tetrachloride vapour and liquid separator who uses gaseous condensation to retrieve.

Background

In the production process of titanium tetrachloride, a chlorination furnace reacts to produce gaseous titanium tetrachloride. The condensation process uses liquid titanium tetrachloride to absorb gaseous titanium tetrachloride. The condensation process is generally provided with a four-stage absorption tower, and the unabsorbed titanium tetrachloride at the upper stage enters the next condensation step to continue the absorption treatment. The temperature of the first-stage absorption tower is set to be 125 ℃, the temperature is close to the boiling point of titanium tetrachloride to be 136 ℃, cavitation is easily formed on the cone part of the first-stage absorption tower, and gas carries liquid to enter the second-stage absorption tower, so that the absorption efficiency of the second-stage absorption tower is reduced.

Therefore, there is a need for improvement in the art of improving the absorption efficiency of the absorption tower and preventing the occurrence of the cavitation phenomenon.

SUMMERY OF THE UTILITY MODEL

Based on the gas-liquid separator for gas condensation recovery and the titanium tetrachloride gas-liquid separation method, the titanium tetrachloride gas-liquid separator is arranged on the blanking pipe of the first-stage absorption tower, so that liquid entrainment entering the second-stage condensation is reduced, the absorption efficiency of the second-stage absorption tower is improved, and cavitation erosion of the cone part of the first-stage absorption tower is prevented. And adopting the following technical scheme:

the utility model provides a titanium tetrachloride gas-liquid separator applied to gas condensation recovery, which comprises: the gas-liquid discharge pipe and the liquid discharge pipe are connected with the side wall of the cone and communicated with the cavity of the cone, the exhaust pipe is connected with the top wall of the cone and communicated with the cavity of the cone, and a flow channel is arranged on the side of the cavity of the cone on the side wall of the cone.

Further, the cone is a cone, and the cone angle is 50-70 degrees.

Further, the material of the cone is carbon steel.

Further, the gas-liquid inlet pipe is arranged at the middle position of the side wall of the cone between the top wall and the bottom wall of the cone.

Further, the drain pipe is arranged on the side wall of the cone close to the bottom wall of the cone.

Further, the gas-liquid inlet pipe is tangentially connected with the side wall of the cone and extends into the cavity of the cone.

Further, the exhaust pipe is arranged on the top wall of the cone and is coaxially connected with the cone.

Further, the flow channel is spirally arranged, and the tangential downward angle of the flow channel is 10-15 degrees.

Furthermore, the material of the flow channel is metal, and the depth of the flow channel is 100-300 mm.

Furthermore, the material of the flow channel is a steel plate, and the depth of the flow channel is 100-300 mm.

The utility model has the beneficial effects that: the titanium tetrachloride gas-liquid separator is arranged on the blanking pipe of the first-stage absorption tower, so that liquid entrainment entering the second-stage condensation is reduced, the absorption efficiency of the second-stage absorption tower is improved, and cavitation erosion of the cone part of the first-stage absorption tower is prevented; the titanium tetrachloride gas-liquid separator is provided with the gas-liquid inlet pipe and the liquid discharge pipe with height difference in the vertical direction of the cone, and the side wall of the cone is spirally provided with the flow channel, so that a gas-liquid mixture can be subjected to gas-liquid separation in the flowing process of the titanium tetrachloride gas-liquid separator, time and labor are saved, and the problem of cavitation erosion is quickly solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a gas-liquid separator for titanium tetrachloride for gas condensation recovery according to an embodiment of the present invention;

FIG. 2 is a sectional view of a gas-liquid separator for condensing and recovering gas according to an embodiment of the present invention;

fig. 3 is a top view of the vapor-liquid separation of titanium tetrachloride for gas condensation recovery according to an embodiment of the present invention.

Fig. 4 is a schematic view of the angle of the chute for gas-liquid separation of titanium tetrachloride for gas condensation recovery according to an embodiment of the present invention.

The reference signs are: 1-cone, 2-gas-liquid inlet pipe, 3-liquid discharge pipe, 4-exhaust pipe, 5-top wall, 6-side wall, 7-bottom wall, 8-cavity, 9-flow channel, R-vertical direction, R1-gas-liquid inlet cavity direction, R2-flow channel tangent downward direction, and included angle between A-R1 and R2

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the following embodiments, which are taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 4, there is shown a vapor-liquid separator of titanium tetrachloride for gas condensation recovery, comprising: the gas-liquid separation device comprises a cone 1, a gas-liquid inlet pipe 2, a liquid discharge pipe 3 and an exhaust pipe 4, wherein the cone 1 comprises a top wall 5, a side wall 6, a bottom wall 7 and a cavity 8. The gas-liquid inlet pipe 2 and the liquid discharge pipe 3 are connected with the side wall 6 of the cone and communicated with the cavity 8 of the cone, the exhaust pipe 4 is connected with the top wall 5 of the cone and communicated with the cavity 8 of the cone, and the side wall 6 of the cone is provided with a flow passage 9 on the side of the cavity 8 of the cone. As shown in FIG. 4, the gas-liquid mixture enters the cavity of the cone from the gas-liquid inlet pipe 2 along the direction R1, the gas-liquid mixture is subjected to gas-liquid separation in the cavity 8 of the cone under the action of gravity, the separated liquid is discharged out of the cavity 8 of the cone downwards from the liquid discharge pipe 3, and the gas except liquid drops is discharged out of the cavity 8 of the cone upwards from the gas discharge pipe 3.

Along the vertical direction R of the cone 1, the gas-liquid inlet pipe 2 is closer to the top wall 5 of the cone than the liquid discharge pipe 3, that is, the gas-liquid inlet pipe 2 and the liquid discharge pipe 3 have a height difference in the direction of the vertical direction R, so that the gas-liquid mixture entering the cone cavity 8 of the cone 1 from the gas-liquid inlet pipe 2 can flow downward along the side wall 6 of the cone 1 by gravity.

The cone 1 is a hollow structure, and gas-liquid separation is completed in the cavity 8 of the cone by a gas-liquid mixture in the cavity 8 of the gas-liquid inlet pipe 2. In one embodiment, the cone 1 is a cone with a taper of 50-70 degrees.

In one embodiment the cone 1 is made of carbon steel.

In one embodiment, the gas-liquid inlet pipe 2 is connected to the middle position of the side wall 6 of the cone between the top wall 5 of the cone and the bottom wall 7 of the cone, and the gas-liquid inlet pipe 2 tangentially enters the cavity 8 of the cone in parallel with the bottom wall 7 of the cone, and optionally, the gas-liquid inlet pipe 2 tangentially enters the cavity 8 of the cone in perpendicular to the bottom wall 7 of the cone.

The discharge pipe 3 is connected to the side wall 6 of the cone and communicates with the cavity 8 of the cone, and the liquid phase separated in the cavity 8 of the cone is discharged out of the cavity 8 of the cone by the discharge pipe 3. in one embodiment, the discharge pipe 3 is connected to the side wall 6 of the cone near the bottom 7 of the cone, so that the separated liquid flows out of the cavity 8 of the cone under the influence of gravity.

The exhaust tube 4 is connected to the top wall 5 of the cone, and the gas is separated in the cavity 8 of the cone and exhausted out of the cavity 8 of the cone through the exhaust tube, and in one embodiment, the exhaust tube 4 is coaxially connected to the cone 1.

The side wall 6 of the cone is provided with a flow passage 9 on the cavity 8 side of the cone, a gas-liquid mixture enters the cavity 8 of the cone from the gas-liquid inlet pipe 2 and then flows downwards along the flow passage 9, in one embodiment, the flow passage 9 is arranged on the cavity 8 side of the cone of the side wall 6 of the cone and is spirally and continuously arranged from the side close to the top wall 5 of the cone to the side close to the bottom wall of the cone along the gas-liquid inlet direction, the flow passages 9 are arranged in a plurality of parallel, and the included angle A of R1 and R2 is 10-15 degrees as shown in FIG. 4. The flow channel 9 is configured in the shape of a groove embedded in the cone side wall 6 or a convex bar protruding from the cone side wall 6.

In one embodiment, the flow channel 9 is made of steel plate.

In one embodiment, the depth of the flow channel 9 is 100-300 mm.

The method for gas-liquid separation by using the gas-liquid separator shown in the attached figure 2 comprises the following steps: the gas-liquid mixture tangentially enters the cavity 8 of the cone through the gas-liquid inlet pipe 2, the gas-liquid mixture flows downwards along the flow channel 9, the gas-liquid mixture is subjected to gas-liquid separation in the cavity 8 of the cone under the action of gravity, the separated liquid is downwards discharged out of the cavity 8 of the cone through the liquid discharge pipe 3, and the gas except liquid drops is upwards discharged out of the cavity 8 of the cone through the gas discharge pipe 3.

The gas-liquid separator is arranged on a blanking pipe of a first-stage absorption tower, a gas-liquid inlet pipe is connected with the blanking pipe, and an exhaust pipe 3 is connected to a second-stage absorption tower.

The above is an exemplary embodiment of the present disclosure, and the order of disclosure of the above embodiment of the present disclosure is only for description and does not represent the merits of the embodiment. It should be noted that the discussion of any embodiment above is exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the utility model is limited to those examples, and that various changes and modifications may be made without departing from the scope, as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the utility model may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the utility model is limited to these examples; within the idea of an embodiment of the utility model, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the utility model as described above, which are not provided in the first section for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.

Claims

1. A titanium tetrachloride gas-liquid separator applied to gas condensation recovery is characterized by comprising: the gas-liquid discharge pipe comprises a cone (1), a gas-liquid inlet pipe (2), a liquid discharge pipe (3) and an exhaust pipe (4), wherein the cone (1) comprises a top wall (5), a side wall (6), a bottom wall (7) and a cavity (8), the gas-liquid inlet pipe (2) and the liquid discharge pipe (3) are connected with the side wall (6) of the cone and communicated with the cavity (8) of the cone, the exhaust pipe (4) is connected with the top wall (5) of the cone and communicated with the cavity (8) of the cone, and a flow channel (9) is formed in the side wall (6) of the cone on the side of the cavity (8) of the cone; the gas-liquid inlet pipe (2) is closer to the top wall (5) of the cone than the liquid discharge pipe (3).

2. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the cone (1) is a cone with a cone angle of 50-70 degrees.

3. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the cone (1) is made of carbon steel.

4. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the gas-liquid inlet pipe (2) is arranged in the middle of the side wall (6) of the cone between the top wall (5) of the cone and the bottom wall (7) of the cone.

5. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the liquid discharge pipe (3) is arranged on the side wall (6) of the cone body close to the bottom wall (7) of the cone body.

6. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 4, wherein: the gas-liquid inlet pipe (2) is tangentially connected with the side wall of the cone and extends into the cavity (8) of the cone.

7. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the exhaust pipe (4) is arranged on the top wall (5) of the cone and is coaxially connected with the cone (1).

8. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 1, wherein: the flow channel (9) is spirally arranged, and the tangential downward angle of the flow channel (9) is 10-15 degrees.

9. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 8, wherein: the flow channel (9) is made of metal, and the depth of the flow channel (9) is 100-300 mm.

10. The gas-liquid separator of titanium tetrachloride for gas condensation recovery according to claim 9, wherein: the flow channel (9) is made of a steel plate.