Phenylene diisocyanate rectification device

Abstract

The utility model relates to the technical field of liquid rectification, in particular to a p-phenylene diisocyanate rectification device which comprises a bearing plate, a limiting frame is fixedly connected to the middle of the top end of the bearing plate, an alcohol lamp body is movably connected to the bottom end of the limiting frame, and a supporting frame is fixedly connected to the edge of the top end of the bearing plate. When the device is used, phenyl diisocyanate can be injected into the rectification bottle, then the limiting frame is pulled upwards, the top end of the rectification bottle penetrates through the limiting frame, and the bottom end of the rectification bottle is placed on the supporting frame; then, the distance between the hollow column and the extension column is adjusted, so that the supporting frame and the limiting frame cling to the bottom end and the top end of the rectifying bottle at the same time to fix the position of the rectifying bottle, and then a limiting bolt on one side of a hollow box is rotated to drive a limiting piece to cling to the extension column under the cooperation of the hollow box; therefore, the distance between the extension column and the hollow column is fixed, and the effect of improving the stability of the rectification bottle is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid rectification technical field, concretely is a kind of p-phenylene diisocyanate's rectification device. BACKGROUND

[0002] P-phenylene diisocyanate is used as the raw material of polyurethane soft foam, paint, rubber, fiber, adhesive. It can be mixed with ether, acetone, carbon tetrachloride, benzene, chlorobenzene, gasoline, and reacts with water and alcohol to decompose, and needs to be rectified when p-phenylene diisocyanate is used, thus needs to use a kind of p-phenylene diisocyanate's rectification device.

[0003] However, the stability function of the existing rectification device is weak, and the position of the rectification bottle needs to be fixed before use, and then the rectification bottle is heated, so that the p-phenylene diisocyanate in the rectification bottle is rectified. If the rectification bottle is not fixed, the rectification bottle may be displaced during rectification, causing the rectification bottle to be damaged. Not only that, the existing rectification device has poor adjusting effect, and the temperature of the heating needs to be adjusted according to the boiling point of p-phenylene diisocyanate. If the temperature of the rectification bottle is not adjusted, the temperature of the rectification bottle may be too high or too low, affecting the rectification effect. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of p-phenylene diisocyanate's rectification device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of p-phenylene diisocyanate's rectification device, including bearing plate, the middle part of the top of the bearing plate is fixedly connected with limiting frame, the bottom of the limiting frame is movably connected with alcohol lamp main body, the edge of the top of the bearing plate is fixedly connected with support frame, the top of the support frame is fixedly connected with adjusting frame, the middle part of the top of the adjusting frame is screw-connected with adjusting rod, the top of the surface of the adjusting rod is rotatably connected with connecting frame, the bottom of the two sides of the connecting frame is fixedly connected with limiting rod, one end of the connecting frame is fixedly connected with support frame, the two sides of the top of the support frame are fixedly connected with hollow column, one side of the hollow column is fixedly connected with hollow box, one side of the hollow box is screw-connected with limiting bolt, one end of the limiting bolt is rotatably connected with limiting sheet, the inside of the hollow column is slidably connected with extension column, the top of the extension column is fixedly connected with limiting frame, the top of the limiting frame is provided with limiting hole, the inside of the limiting hole is movably connected with rectification bottle.

[0007] Preferably, the two sides of the bearing plate are fixedly connected with two fixed blocks, the top of the fixed block is provided with a fixed hole, and the inside of the fixed hole is screw-connected with a fixed bolt.

[0008] Preferably, the two sides of the top end of the adjusting frame are provided with limiting grooves, and the inside of the limiting grooves is slidably connected to the surface of the limiting rod.

[0009] Preferably, the top end of the supporting frame is provided with an arc-shaped hole, and the inside of the arc-shaped hole is movably connected to the bottom end of the rectifying bottle.

[0010] Preferably, the inner wall of the limiting frame is provided with a groove, and the inside of the groove is fixedly connected with a rubber pad.

[0011] Preferably, the bottom end of the supporting frame is fixedly connected with a fixing frame, and the inside of the fixing frame is fixedly connected with an asbestos net.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. The rectifying device for p-phenylene diisocyanate, by the setting of the supporting frame, the hollow column, the extension column, the limiting bolt and the limiting frame, when in use, the p-phenylene diisocyanate can be injected into the rectifying bottle, then the limiting frame is pulled up, the top end of the rectifying bottle passes through the limiting frame, the bottom end of the rectifying bottle is placed on the supporting frame, then the distance between the hollow column and the extension column is adjusted to make the supporting frame and the limiting frame tightly adhere to the bottom end and the top end of the rectifying bottle to fix the position of the rectifying bottle, then the limiting bolt on one side of the hollow box is rotated to make the limiting bolt drive the limiting piece to tightly adhere to the extension column under the cooperation of the hollow box, thereby fixing the distance between the extension column and the hollow column, and the stability of the rectifying bottle is improved.

[0014] 2. The rectifying device for p-phenylene diisocyanate, by the setting of the adjusting frame, the adjusting rod, the connecting frame and the limiting rod, when the rectifying bottle is fixed, the alcohol lamp body in the limiting frame can be ignited, then according to the actual situation, the adjusting rod is rotated to make the adjusting rod drive the connecting frame to rise under the cooperation of the adjusting frame and the limiting rod, thereby adjusting the distance between the rectifying bottle and the alcohol lamp body to control the heating temperature of the rectifying bottle, and the quality of the rectification is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall schematic view of the present application;

[0016] Figure 2 It is the local split schematic view of the present application;

[0017] Figure 3 It is the local split schematic view of the present application;

[0018] Figure 4 It is the local split schematic view of the present application.

[0019] In the figure: 1, bearing plate; 2, limit frame; 3, alcohol lamp body; 4, support frame; 5, adjusting frame; 6, adjusting rod; 7, connecting frame; 8, support frame; 9, hollow column; 10, hollow box; 11, limit bolt; 12, limit piece; 13, extension column; 14, limit frame; 15, rectifying bottle; 16, fixed block; 17, fixed bolt; 18, limit rod; 19, fixed frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 A technical scheme provided by the utility model discloses a kind of technical schemes:

[0022] A kind of p-phenylene diisocyanate rectifying device, including bearing plate 1, the middle part of the top end of bearing plate 1 is fixedly connected with limit frame 2, the bottom end of limit frame 2 is movably connected with alcohol lamp body 3, the edge of the top end of bearing plate 1 is fixedly connected with support frame 4, the top end of support frame 4 is fixedly connected with adjusting frame 5, the middle part of the top end of adjusting frame 5 is screw-connected with adjusting rod 6, the top end of the surface of adjusting rod 6 is rotatably connected with connecting frame 7, the both sides of the bottom end of connecting frame 7 are fixedly connected with limit rod 18, one end of connecting frame 7 is fixedly connected with support frame 8, the both sides of the top end of support frame 8 are fixedly connected with hollow column 9, one side of hollow column 9 is fixedly connected with hollow box 10, one side of hollow box 10 is screw-connected with limit bolt 11, one end of limit bolt 11 is rotatably connected with limit piece 12, extension column 13 is slidably connected in the inside of hollow column 9, the top end of extension column 13 is fixedly connected with limit frame 14, limit hole is formed in the top end of limit frame 14, rectifying bottle 15 is movably connected in the inside of limit hole;

[0023] Specifically, the phenyl diisocyanate can be injected into the rectifying bottle 15, then the limiting frame 14 is pulled up, the top end of the rectifying bottle 15 passes through the limiting frame 14, the bottom end of the rectifying bottle 15 is placed on the support frame 8, then the distance between the hollow column 9 and the extension column 13 is adjusted so that the support frame 8 and the limiting frame 14 are tightly attached to the bottom end and the top end of the rectifying bottle 15 to fix the position of the rectifying bottle 15, then the limiting bolt 11 on one side of the hollow box 10 is rotated, the limiting bolt 11 drives the limiting piece 12 to tightly attach to the extension column 13 under the cooperation of the hollow box 10, so that the distance between the extension column 13 and the hollow column 9 is fixed, then the adjusting rod 6 is rotated according to the actual situation, the connecting frame 7 is lifted under the cooperation of the adjusting frame 5 and the limiting rod 18, so that the distance between the rectifying bottle 15 and the alcohol lamp body 3 is adjusted to control the heating temperature of the rectifying bottle 15;

[0024] It can be understood that the movement direction between the support frame 8 and the limiting frame 14 is limited by the cooperation between the hollow column 9 and the extension column 13, the movement direction of the limiting piece 12 is limited by the hollow box 10, the position of the limiting piece 12 is adjusted by the limiting bolt 11, and the movement direction between the adjusting frame 5 and the connecting frame 7 is limited by the limiting rod 18;

[0025] In the embodiment, preferably, two fixing blocks 16 are fixedly connected to the two sides of the bearing plate 1, a fixing hole is formed in the top end of the fixing block 16, and a fixing bolt 17 is screw-connected in the fixing hole

[0026] In the embodiment, preferably, limiting grooves are formed in the two sides of the top end of the adjusting frame 5, and the limiting grooves are slidably connected to the surface of the limiting rod 18;

[0027] Specifically, the adjusting rod 6 is rotated according to the actual situation, and the connecting frame 7 is lifted under the cooperation of the adjusting frame 5 and the limiting rod 18;

[0028] It can be understood that the movement direction of the connecting frame 7 is limited by the cooperation between the limiting rod 18 and the adjusting frame 5;

[0029] In the embodiment, preferably, an arc-shaped hole is formed in the top end of the support frame 8, and the arc-shaped hole is movably connected to the bottom end of the rectifying bottle 15

[0030] In the embodiment, preferably, grooves are formed in the inner wall of the limiting frame 2, and rubber pads are fixedly connected in the grooves

[0031] In the embodiment, preferably, a fixing frame 19 is fixedly connected to the bottom end of the support frame 8, and an asbestos net is fixedly connected in the fixing frame 19;

[0032] Specifically, when the rectifying bottle 15 is fixed, the alcohol lamp body 3 in the limiting frame 2 can be ignited to heat the rectifying bottle 15.

[0033] It can be understood that the asbestos net in the fixing frame 19 is heated by the alcohol lamp body 3, and the rectifying bottle 15 is heated by the asbestos net.

[0034] In use, the p-phenylene diisocyanate is injected into the rectifying bottle 15, then the limiting frame 14 is pulled up, the top end of the rectifying bottle 15 passes through the limiting frame 14, the bottom end of the rectifying bottle 15 is placed on the supporting frame 8, the distance between the hollow column 9 and the extension column 13 is adjusted to make the supporting frame 8 and the limiting frame 14 tightly contact the bottom end and the top end of the rectifying bottle 15 to fix the position of the rectifying bottle 15, then the limiting bolt 11 on one side of the hollow box 10 is rotated to make the limiting bolt 11 drive the limiting piece 12 to tightly contact the extension column 13 under the cooperation of the hollow box 10, thereby fixing the distance between the extension column 13 and the hollow column 9, when the rectifying bottle 15 is fixed, the alcohol lamp body 3 in the limiting frame 2 can be ignited, then the adjusting rod 6 is rotated according to the actual situation to make the adjusting rod 6 drive the connecting frame 7 to rise under the cooperation of the adjusting frame 5 and the limiting rod 18, thereby adjusting the distance between the rectifying bottle 15 and the alcohol lamp body 3 to control the heating temperature of the rectifying bottle 15.

[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rectification apparatus for p-phenylene diisocyanate comprising a carrier plate (1), characterized in that: The middle part of the top end of the bearing plate (1) is fixedly connected with a limiting box (2), the bottom end of the limiting box (2) is movably connected with an alcohol lamp body (3), the edge of the top end of the bearing plate (1) is fixedly connected with a supporting frame (4), the top end of the supporting frame (4) is fixedly connected with an adjusting frame (5), the middle part of the top end of the adjusting frame (5) is screwedly connected with an adjusting rod (6), the top end of the surface of the adjusting rod (6) is rotatably connected with a connecting frame (7), the bottom end of the connecting frame (7) is fixedly connected with a limiting rod (18) on the both sides, one end of the connecting frame (7) is fixedly connected with a supporting frame (8), the top end of the supporting frame (8) is fixedly connected with a hollow column (9) on the both sides, one side of the hollow column (9) is fixedly connected with a hollow box (10), one side of the hollow box (10) is screwedly connected with a limiting bolt (11), one end of the limiting bolt (11) is rotatably connected with a limiting piece (12), the inside of the hollow column (9) is slidably connected with an extension column (13), the top end of the extension column (13) is fixedly connected with a limiting frame (14), the top end of the limiting frame (14) is provided with a limiting hole, the inside of the limiting hole is movably connected with a rectifying bottle (15).

2. The apparatus for rectifying p-phenylene diisocyanate according to claim 1, characterized by: The both sides of the bearing plate (1) are fixedly connected with two fixed blocks (16), the top end of the fixed block (16) is provided with a fixed hole, the inside of the fixed hole is screwedly connected with a fixed bolt (17).

3. The apparatus for rectifying p-phenylene diisocyanate according to claim 1, wherein: The both sides of the top end of the adjusting frame (5) are provided with limiting grooves, the inside of the limiting groove is slidably connected with the surface of the limiting rod (18).

4. The apparatus for rectifying p-phenylene diisocyanate according to claim 1, wherein: The top end of the supporting frame (8) is provided with an arc-shaped hole, the inside of the arc-shaped hole is movably connected with the bottom end of the rectifying bottle (15).

5. The apparatus for rectifying p-phenylene diisocyanate according to claim 1, wherein: The inner wall of the limiting box (2) is provided with a groove, the inside of the groove is fixedly connected with a rubber pad.

6. The apparatus for rectifying p-phenylene diisocyanate according to claim 1, wherein: The bottom end of the supporting frame (8) is fixedly connected with a fixed frame (19), the inside of the fixed frame (19) is fixedly connected with an asbestos net.

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