A water removal device for hexafluorobutadiene and methods of use thereof

Abstract

The application discloses a kind of hexafluorobutadiene water removal device and its use method, comprising: workbench, the top end of the workbench is fixedly connected with fixed shell, the inside of the fixed shell is slidably connected with partition plate, the top end of the partition plate is rotatably connected with extraction bottle, the top end of the extraction bottle is rotatably connected with fixed top plate, the fixed top plate is fixedly connected with feed pipe, the feed pipe is arranged and is stretched to the outside of fixed shell and passes through the upper inner wall of fixed shell.The application is stirred by stirring rod to hexafluorobutadiene solvent and extraction liquid, while using auxiliary structure to make extraction bottle and solution in extraction bottle vibrate up and down, make extraction liquid and solvent more fully contact, and make extraction bottle and its internal solution rotate in the direction opposite to stirring rod, further improve the effect of extraction, so that extraction liquid can more fully extract hexafluorobutadiene in solvent, avoid the water of waste to have hexafluorobutadiene residue.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of hexafluorobutadiene preparation, especially to a hexafluorobutadiene water removal device and a use method thereof. BACKGROUND

[0002] Hexafluorobutadiene is an important chemical product, which is often used in industrial production. In the production process of hexafluorobutadiene, it needs to be treated by water removal. In the water removal process, the hexafluorobutadiene is generally extracted first to remove most of the water in the hexafluorobutadiene solvent, and then further water removal treatment is carried out.

[0003] The existing hexafluorobutadiene water removal device has certain deficiencies in the extraction effect of hexafluorobutadiene solvent, so that the hexafluorobutadiene in the hexafluorobutadiene solvent is difficult to be completely extracted, resulting in that the discarded water still contains a certain amount of hexafluorobutadiene, and the residual hexafluorobutadiene will cause damage to the environment after evaporation, which is not conducive to environmental protection and use of the device. SUMMARY

[0004] The present application aims to solve the problems in the prior art, such as the deficiencies in the extraction effect of hexafluorobutadiene solvent, so that the hexafluorobutadiene in the hexafluorobutadiene solvent is difficult to be completely extracted, resulting in that the discarded water still contains a certain amount of hexafluorobutadiene, and the residual hexafluorobutadiene will cause damage to the environment after evaporation, which is not conducive to environmental protection and use of the device, and proposes a hexafluorobutadiene water removal device and a use method thereof.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] A hexafluorobutadiene water removal device, comprising:

[0007] A workbench, a fixed shell is fixedly connected to the top end of the workbench, a partition plate is slidably connected in the fixed shell, an extraction bottle is rotatably connected to the top end of the partition plate, a fixed top plate is rotatably connected to the top end of the extraction bottle, a feed pipe is fixedly connected to the fixed top plate, the feed pipe penetrates through the upper inner wall of the fixed shell and is arranged outside the fixed shell, a collector is arranged on the lower inner wall of the fixed shell, a discharge pipe is fixedly connected to the lower inner wall of the extraction bottle, the position of the discharge pipe corresponds to the collector, and the discharge pipe penetrates through the partition plate;

[0008] The stirring structure comprises a motor fixedly connected to the inner wall of the workbench, the output end of the motor is fixedly connected with a rotating rod, the rotating rod penetrates through the fixed top plate and extends to the inside of the extraction bottle, a plurality of groups of stirring rods are fixedly connected to the side wall of the inner part of the extraction bottle, and the inner side of the workbench is provided with an auxiliary structure.

[0009] Preferably, the auxiliary structure comprises a fixed shaft rotatably connected to the upper inner wall of the fixed shell, the bottom end of the fixed shaft is fixedly connected with a bevel gear two, one side of the bevel gear two is provided with a corresponding bevel gear one, the bevel gear one and the bevel gear two are meshed, a connecting shaft is fixedly connected to the side wall of the bevel gear one, the connecting shaft penetrates through a connecting gear, one end of the connecting shaft is rotatably connected to the inner wall of the workbench, the other end of the connecting shaft is fixedly connected with a fixed cam, the bottom end of the fixed cam is attached to the top end of the partition plate, a fixed plate is fixedly connected to the inner wall of the workbench, the fixed plate is arranged between the collector and the partition plate, the top end of each fixed plate is fixedly connected with a plurality of fixed springs, one end of each fixed spring away from the fixed plate is fixedly connected to the bottom end of the partition plate, a damper is fixedly connected to each fixed spring, and each fixed spring is connected to the partition plate through the damper, and a rotating structure is arranged on the fixed shaft.

[0010] Preferably, the rotating structure comprises rotating wheels fixedly sleeved on the fixed shaft and the rotating rod, the rotating wheels are connected to each other through a transmission belt, a fixed gear is fixedly sleeved on the fixed shaft, a connecting gear corresponding to the fixed gear is fixedly sleeved on the outside of the extraction bottle, and the fixed gear and the connecting gear are meshed, and the width of the connecting gear is wider than that of the fixed gear.

[0011] Preferably, the top end of the fixed top plate is fixedly connected with an extension support, and one end of the extension support away from the fixed top plate is fixedly connected to the upper inner wall of the workbench.

[0012] Preferably, the discharge pipe is rotatably connected with an adjusting valve, and the top end of each feeding pipe is provided with a dustproof cover plate.

[0013] Preferably, the fixed shell is rotatably connected with a mounting cover plate through a rotating shaft, and the mounting cover plate is made of transparent material.

[0014] A method for using hexafluorobutadiene, comprising the following steps:

[0015] S1, the hexafluorobutadiene solvent and the extraction liquid are respectively from the feed pipe into the extraction bottle of fixed shell, start the motor, the output end of the motor drives the rotating rod to rotate, so that a plurality of stirring rods rotate together, the solution is stirred, the contact of the solvent and the extraction liquid is more sufficient, so as to extract the hexafluorobutadiene in the solution, in the process of rotating rod rotation, under the action of rotating wheel and transmission belt, the fixed shaft will rotate, thereby driving the bevel gear two to rotate, the bevel gear one meshing with the bevel gear two rotates, the connecting shaft and the fixed cam rotate together, cooperate with the fixed plate and the fixed spring to make the partition plate and the extraction bottle vibrate up and down, improve the extraction effect, and when the fixed shaft rotates, the fixed gear fixed on the fixed shaft rotates, the connecting gear meshing with the fixed gear rotates, and the rotating direction of the connecting gear is opposite to that of the fixed gear, so that the extraction bottle and the solvent inside the extraction bottle rotate in the direction opposite to the stirring rod, further improve the extraction effect;

[0016] S2, after the motor is started for a period of time, the motor is turned off, and the solution in the extraction bottle and the extraction bottle is static, so that the solvent and the extraction liquid are stratified;

[0017] S3, after the solution is stratified, the regulating valve is opened, the lower layer of the solution flows into the collector from the extraction bottle, the regulating valve is closed, then the collector is replaced, the regulating valve is opened again, and the upper layer of the solution is introduced into the collector, so that the extracted hexafluorobutadiene solvent can be taken out, and the water content in the hexafluorobutadiene solvent is reduced.

[0018] Compared with the prior art, the beneficial effects of the present application are: while the hexafluorobutadiene solvent and the extraction liquid are stirred by the stirring rod, the auxiliary structure is used to make the extraction bottle and the solution in the extraction bottle vibrate up and down, so that the contact of the extraction liquid and the solvent is more sufficient, and the extraction bottle and the solution in the extraction bottle rotate in the direction opposite to the stirring rod, further improving the extraction effect, so that the extraction liquid can extract the hexafluorobutadiene in the solvent more fully, avoiding the waste water containing hexafluorobutadiene, and causing damage to the environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a cross-sectional perspective structure schematic diagram of a hexafluorobutadiene water removal device and its use method proposed in the application;

[0020] Figure 2 It is a side view perspective cross-sectional structure schematic diagram of a hexafluorobutadiene water removal device and its use method proposed in the application;

[0021] Figure 3 It is Figure 1 An enlarged view of A in FIG. 1;

[0022] Figure 4A six fluorobutadiene water removal device and its use method are provided.

[0023] In the figure: 1 workbench, 2 fixed shell, 3 partition plate, 4 fixed plate, 5 fixed spring, 6 collector, 7 extraction bottle, 8 fixed top plate, 9 feed pipe, 10 telescopic support, 11 motor, 12 rotating rod, 13 stirring rod, 14 discharge pipe, 15 regulating valve, 16 fixed shaft, 17 rotating wheel, 18 transmission belt, 19 fixed gear, 20 connecting gear, 21 connecting shaft, 22 bevel gear one, 23 bevel gear two, 24 fixed cam. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0025] Reference Figures 1-4 A six fluorobutadiene water removal device, comprising:

[0026] The workbench 1 is fixedly connected at the top end with the fixed shell 2, the fixed shell 2 is slidably connected with the partition plate 3 inside, the partition plate 3 is rotatably connected with the extraction bottle 7 at the top end, the extraction bottle 7 is rotatably connected with the fixed top plate 8 at the top end, the fixed top plate 8 is fixedly connected with the feed pipe 9, the feed pipe 9 penetrates through the upper inner wall of the fixed shell 2 and is arranged outside the fixed shell 2, the lower inner wall of the fixed shell 2 is provided with the collector 6, the lower inner wall of the extraction bottle 7 is fixedly connected with the discharge pipe 14, the position of the discharge pipe 14 corresponds to the collector 6, and the discharge pipe 14 penetrates through the partition plate 3 and is arranged, the six fluorobutadiene solvent and the extraction liquid are respectively introduced into the extraction bottle 7 in the fixed shell 2 from the feed pipe 9 for extraction, and after the extraction is completed, the solution is poured into the collector 6 from the discharge pipe 14;

[0027] The stirring structure includes the motor 11 fixedly connected to the inner wall of the workbench 1, the output end of the motor 11 is fixedly connected with the rotating rod 12, the rotating rod 12 penetrates through the fixed top plate 8 and is arranged inside the extraction bottle 7, a plurality of stirring rods 13 are fixedly connected to the side wall of the inner part of the extraction bottle 7, the inner side of the workbench 1 is provided with an auxiliary structure, the motor 11 is started, the output end of the motor 11 drives the rotating rod 12 to rotate, so that the plurality of stirring rods 13 rotate together, the solution is stirred, the contact between the solvent and the extraction liquid is more sufficient, so as to extract the six fluorobutadiene in the solution;

[0028] The auxiliary structure comprises a fixed shaft 16 rotatably connected to the upper inner wall of the fixed shell 2, the bottom end of the fixed shaft 16 is fixedly connected with a conical gear two 23, one side of the conical gear two 23 is provided with a corresponding conical gear one 22, and the conical gear one 22 is rotatably arranged with the conical gear two 23, the side wall of the conical gear one 22 is fixedly connected with a connecting shaft 21, the connecting shaft 21 penetrates the connecting gear 20, one end of the connecting shaft 21 is rotatably connected with the inner wall of the workbench 1, the other end of the connecting shaft 21 is fixedly connected with a fixed cam 24, and the bottom end of the fixed cam 24 is arranged in close contact with the top end of the partition plate 3, the inner wall of the workbench 1 is fixedly connected with a fixed plate 4, the fixed plate 4 is arranged between the collector 6 and the partition plate 3, the top end of each fixed plate 4 is fixedly connected with a plurality of fixed springs 5, one end of each fixed spring 5 away from the fixed plate 4 is fixedly connected at the bottom end of the partition plate 3, and a damper is fixedly connected to each fixed spring 5, and each fixed spring 5 is connected with the partition plate 3 through the damper, and a rotating structure is arranged on the fixed shaft 16, in the rotating process of the rotating rod 12, the fixed shaft 16 rotates, thereby driving the conical gear two 23 to rotate, the conical gear one 22 meshing with the conical gear two 23 rotates, the connecting shaft 21 and the fixed cam 24 rotate together, and the fixed plate 4 and the fixed spring 5 cooperate to make the partition plate 3 and the extraction bottle 7 vibrate up and down, thereby improving the extraction effect;

[0029] The rotating structure comprises rotating wheels 17 fixedly sleeved on the fixed shaft 16 and the rotating rod 12, the rotating wheels 17 are connected with each other through transmission belts 18, the fixed shaft 16 is fixedly sleeved with a fixed gear 19, the outer side of the extraction bottle 7 is fixedly sleeved with a connecting gear 20 corresponding to the fixed gear 19, and the fixed gear 19 is rotatably arranged with the connecting gear 20, the width of the connecting gear 20 is wider than that of the fixed gear 19, so that the connecting gear 20 and the fixed gear 19 can be kept meshing together, the rotating wheels 17 and the transmission belts 18 can make the fixed shaft 16 rotate together with the rotating rod 12, at the same time, when the fixed shaft 16 rotates, the fixed gear 19 fixedly sleeved on the fixed shaft 16 rotates together, the connecting gear 20 meshing with the fixed gear 19 rotates, and the rotating direction of the connecting gear 20 is opposite to that of the fixed gear 19, so that the extraction bottle 7 and the solvent inside the extraction bottle 7 rotate in the direction opposite to the stirring rod 13, thereby further improving the extraction effect;

[0030] The top end of the fixed top plate 8 is fixedly connected with an extension support 10, one end of the extension support 10 away from the fixed top plate 8 is fixedly connected to the upper inner wall of the workbench 1, and the fixed top plate 8 is fixed;

[0031] The adjusting valve 15 is rotationally connected on the discharge pipe 14, and the opening of the discharge pipe 14 can be adjusted through the adjusting valve 15; the top end of each feeding pipe 9 is provided with a dustproof cover plate to avoid dust entering the feeding pipe 9; the side wall of the fixed shell 2 is rotationally connected with a mounting cover plate through a rotating shaft, and the mounting cover plate is made of transparent material, so that the situation in the fixed shell 2 can be seen through the mounting cover plate;

[0032] A method of using hexafluorobutadiene, comprising the steps of:

[0033] S1, the hexafluorobutadiene solvent and the extraction liquid are respectively introduced into the extraction bottle 7 in the fixed shell 2 from the feeding pipe 9, the motor 11 is started, the output end of the motor 11 drives the rotating rod 12 to rotate, so that the plurality of stirring rods 13 rotate together, the solution is stirred, the contact between the solvent and the extraction liquid is more sufficient, so as to extract the hexafluorobutadiene in the solution, in the process of rotating the rotating rod 12, under the action of the rotating wheel 17 and the transmission belt 18, the fixed shaft 16 will rotate, thereby driving the bevel gear two 23 to rotate, the bevel gear one 22 meshing with the bevel gear two 23 rotates, the connecting shaft 21 and the fixed cam 24 rotate together, cooperate with the fixed plate 4 and the fixed spring 5 to make the partition plate 3 and the extraction bottle 7 vibrate up and down, improve the extraction effect, and when the fixed shaft 16 rotates, the fixed gear 19 fixedly sleeved on the fixed shaft 16 rotates, the connecting gear 20 meshing with the fixed gear 19 rotates, and the rotating direction of the connecting gear 20 is opposite to that of the fixed gear 19, so that the extraction bottle 7 and the solvent inside the extraction bottle 7 rotate in the opposite direction of the stirring rod 13, further improving the extraction effect;

[0034] S2, after the motor 11 is started for a period of time, the motor 11 is turned off, the extraction bottle 7 and the solution inside the extraction bottle 7 are left to stand, and the solvent and the extraction liquid are stratified;

[0035] S3, after the solution is stratified, the adjusting valve 15 is opened, the lower layer of the solution flows into the collector 6 from the extraction bottle 7, the adjusting valve 15 is closed, then the collector 6 is replaced, the adjusting valve 15 is opened again, and the upper layer of the solution is introduced into the collector 6, so that the extracted hexafluorobutadiene solvent can be taken out, and the moisture in the hexafluorobutadiene solvent is reduced.

[0036] In the present application, when the device is in use, first, the hexafluorobutadiene solvent and the extraction liquid are respectively introduced into the extraction bottle 7 of the fixed shell 2 from the feed pipe 9, then the motor 11 is started, the output end of the motor 11 drives the rotating rod 12 to rotate, so that the plurality of stirring rods 13 rotate together, the solution is stirred, the contact between the solvent and the extraction liquid is more sufficient, so as to extract the hexafluorobutadiene in the solution, in the process of rotating the rotating rod 12, under the action of the rotating wheel 17 and the transmission belt 18, the fixed shaft 16 will rotate, thereby driving the bevel gear two 23 to rotate, the bevel gear one 22 meshing with the bevel gear two 23 is rotated, the connecting shaft 21 and the fixed cam 24 are rotated together, cooperate with the fixed plate 4 and the fixed spring 5, make the partition plate 3 and the extraction bottle 7 vibrate up and down, improve the extraction effect, at the same time, the fixed spring 5 and the damper cooperate, can play the effect of buffering and shock absorption, the partition plate 3 and the extraction bottle 7 do not vibrate too much, and when the fixed shaft 16 rotates, the fixed gear 19 fixed on the fixed shaft 16 rotates, the connecting gear 20 meshing with the fixed gear 19 rotates, and the rotating direction of the connecting gear 20 is opposite to that of the fixed gear 19, so that the extraction bottle 7 and the solvent inside the extraction bottle 7 rotate in the direction opposite to the stirring rod 13, further improve the extraction effect, then after the motor 11 is started for a period of time, the motor 11 is turned off, the extraction bottle 7 and the solution inside the extraction bottle 7 are at rest, the solvent and the extraction liquid are stratified, after the solution is stratified, the regulating valve 15 is opened, the lower layer solution flows into the collector 6 from the extraction bottle 7, the regulating valve 15 is closed, then the collector 6 is replaced, the regulating valve 15 is opened again, the upper layer solution is introduced into the collector 6, the extracted hexafluorobutadiene solvent can be taken out, and the moisture in the hexafluorobutadiene solvent is reduced.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A water removal device for hexafluorobutadiene, characterized by, Include: Workbench (1), the top of the workbench (1) is fixedly connected with a fixed shell (2), the inside of the fixed shell (2) is slidably connected with a partition plate (3), the top of the partition plate (3) is rotatably connected with an extraction bottle (7), the top of the extraction bottle (7) is rotatably connected with a fixed top plate (8), the fixed top plate (8) is fixedly connected with a feed pipe (9), the feed pipe (9) penetrates the upper inner wall of the fixed shell (2) and extends to the outside of the fixed shell (2), the lower inner wall of the fixed shell (2) is provided with a collector (6), the lower inner wall of the extraction bottle (7) is fixedly connected with a discharge pipe (14), the position of the discharge pipe (14) corresponds to the collector (6), and the discharge pipe (14) penetrates the partition plate (3) and is arranged; The stirring structure includes a motor (11) fixedly connected to the inner wall of the workbench (1), the output end of the motor (11) is fixedly connected with a rotating rod (12), the rotating rod (12) penetrates the fixed top plate (8) and extends to the inside of the extraction bottle (7), a plurality of stirring rods (13) are fixedly connected to the side wall of the inner part of the extraction bottle (7), and the inside of the workbench (1) is provided with an auxiliary structure; The auxiliary structure includes a fixed shaft (16) rotatably connected to the upper inner wall of the fixed shell (2), the bottom end of the fixed shaft (16) is fixedly connected with a bevel gear two (23), one side of the bevel gear two (23) is provided with a corresponding bevel gear one (22), and the bevel gear one (22) and the bevel gear two (23) are meshed, the side wall of the bevel gear one (22) is fixedly connected with a connecting shaft (21), the connecting shaft (21) penetrates a connecting gear (20) and is arranged, one end of the connecting shaft (21) is rotatably connected with the inner wall of the workbench (1), the other end of the connecting shaft (21) is fixedly connected with a fixed cam (24), and the bottom end of the fixed cam (24) is arranged in close contact with the top end of the partition plate (3), a fixed plate (4) is fixedly connected to the inner wall of the workbench (1), the fixed plate (4) is arranged between the collector (6) and the partition plate (3), the top of each fixed plate (4) is fixedly connected with a plurality of fixed springs (5), one end of each fixed spring (5) away from the fixed plate (4) is fixedly connected at the bottom end of the partition plate (3), a damper is fixedly connected to each fixed spring (5), and each fixed spring (5) is connected with the partition plate (3) through the damper, and a rotating structure is arranged on the fixed shaft (16); The rotating structure comprises rotating wheels (17) fixedly sleeved on the fixed shaft (16) and the rotating rod (12), the rotating wheels (17) are connected with each other through transmission belts (18), the fixed shaft (16) is fixedly sleeved with a fixed gear (19), the outside of the extraction bottle (7) is fixedly sleeved with a connecting gear (20) corresponding to the fixed gear (19), and the fixed gear (19) and the connecting gear (20) are in meshing connection, and the width of the connecting gear (20) is wider than that of the fixed gear (19); The top end of the fixed top plate (8) is fixedly connected with an extension support (10), and the end, away from the fixed top plate (8), of the extension support (10) is fixedly connected to the upper inner wall of the workbench (1); The discharge pipe (14) is rotatably connected with an adjusting valve (15), and the top end of each feeding pipe (9) is provided with a dustproof cover plate.

2. The water removal device of hexafluorobutadiene according to claim 1, characterized by The side wall of the fixed shell (2) is rotatably connected with an installation cover plate through a rotating shaft, and the installation cover plate is made of transparent material.

3. A method of using a water removal device for hexafluorobutadiene according to any one of claims 1-2, characterized in that, The method comprises the following steps: S1, the six fluorine butadiene solvent and the extraction liquid are respectively introduced into the extraction bottle (7) of the fixed shell (2) from the feeding pipe (9), the motor (11) is started, the output end of the motor (11) drives the rotating rod (12) to rotate, so that the plurality of stirring rods (13) rotate together, the solution is stirred, the contact between the solvent and the extraction liquid is more sufficient, so as to extract the six fluorine butadiene in the solution, in the process of rotating the rotating rod (12), under the action of the rotating wheels (17) and the transmission belts (18), the fixed shaft (16) rotates, so as to drive the conical gear two (23) to rotate, make the conical gear one (22) which is in meshing connection with the conical gear two (23) rotate, make the connecting shaft (21) and the fixed cam (24) rotate together, cooperate with the fixed plate (4) and the fixed spring (5) to make the partition plate (3) and the extraction bottle (7) vibrate up and down, improve the extraction effect, and when the fixed shaft (16) rotates, the fixed gear (19) fixedly sleeved on the fixed shaft (16) rotates together, the connecting gear (20) in meshing connection with the fixed gear (19) rotates, and the rotating direction of the connecting gear (20) is opposite to that of the fixed gear (19), so that the extraction bottle (7) and the solvent inside the extraction bottle (7) rotate in the direction opposite to that of the stirring rod (13), further improving the extraction effect; S2, after the motor (11) is started for a period of time, the motor (11) is turned off, the extraction bottle (7) and the solution inside the extraction bottle (7) are stationary, so that the solvent and the extraction liquid are stratified; S3, after the solution is stratified, the adjusting valve (15) is opened, the lower layer of solution flows into the collector (6) from the extraction bottle (7), the adjusting valve (15) is closed, then the collector (6) is replaced, the adjusting valve (15) is opened again, the upper layer of solution is introduced into the collector (6), and the extracted six fluorine butadiene solvent can be taken out, so that the water content in the six fluorine butadiene solvent is reduced.

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