Device for preparing chlorinated polyvinyl chloride by gas-liquid method

Abstract

The utility model relates to the technical field of chlorinated polyvinyl chloride, in particular to a device for preparing chlorinated polyvinyl chloride by a gas-liquid method, which comprises a reaction kettle, a lifting mechanism is mounted on the side surface of the reaction kettle, a cover plate is mounted on the lifting mechanism, a stirring mechanism is mounted at the bottom end of the cover plate, and the lifting mechanism comprises a first mounting plate. The first mounting plate is fixedly mounted on the side surface of the reaction kettle, the shape of the first mounting plate is a square plate, and a first motor is fixedly mounted at the bottom end of the first mounting plate. Through the arrangement of the stirring mechanism, materials can be fully stirred conveniently, preparation of chlorinated polyvinyl chloride is facilitated, through the arrangement of the lifting mechanism, the purpose of conveniently lifting the stirring mechanism is achieved, cleaning of the stirring mechanism is facilitated, and follow-up use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of chlorinated polyvinyl chloride, in particular to a device for preparing chlorinated polyvinyl chloride by a gas-liquid method. Background Art

[0002] Chlorinated polyvinyl chloride is a product of polyvinyl chloride that has been further chlorinated. Its chlorine content is generally 65% ​​to 72% (volume fraction). In addition to having many excellent properties of PVC, chlorinated polyvinyl chloride has much better corrosion resistance, heat resistance, solubility, flame retardancy, and mechanical strength than PVC. Therefore, chlorinated polyvinyl chloride is a new type of material with excellent performance. It is widely used in construction, chemical industry, metallurgy, shipbuilding, electrical appliances, textiles and other fields, and has a very broad application prospect.

[0003] At present, the gas-liquid method for preparing chlorinated polyvinyl chloride is usually carried out in a reactor. However, the existing reactor is not stirred sufficiently during operation, thereby reducing the reaction efficiency, and the stirring mechanism in the existing reactor is not convenient to clean. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a device for preparing chlorinated polyvinyl chloride by gas-liquid method.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for preparing chlorinated polyvinyl chloride by a gas-liquid method is designed, comprising a reactor, a lifting mechanism is installed on the side of the reactor, a cover plate is installed on the lifting mechanism, a stirring mechanism is installed at the bottom end of the cover plate, the lifting mechanism comprises a first mounting plate, the first mounting plate is fixedly mounted on the side of the reactor, the first mounting plate is in the shape of a square plate, and a first motor is fixedly mounted at the bottom end of the first mounting plate.

[0007] Furthermore, a screw rod is rotatably connected to the first mounting plate via a bearing, and the bottom end of the screw rod rotates through the first mounting plate and is fixedly connected to the rotating shaft end of the first motor.

[0008] Furthermore, a lifting block is threadedly connected to the screw rod, a side surface of the lifting block is fixedly connected to the cover plate, and the lifting block is in the shape of a square block.

[0009] Furthermore, a second mounting plate is fixedly installed on the side of the reactor, a sliding rod is fixedly installed on the second mounting plate, the sliding rod is in the shape of a cylindrical rod, a limiting sleeve is fixedly installed on the side of the cover plate, the limiting sleeve is in the shape of a circular ring, and the limiting sleeve slides on the surface of the sliding rod.

[0010] Furthermore, the stirring mechanism includes two columns, both of which are fixedly mounted on the bottom end of the cover plate, and a gear ring is fixedly mounted on the bottom end of the column, and the teeth of the gear ring are located on the inner wall of the gear ring.

[0011] Furthermore, a second motor is fixedly mounted on the top of the cover plate, a rotating shaft end of the second motor passes through the cover plate and is fixedly mounted with a receiving plate, and the receiving plate is in a cross shape.

[0012] Furthermore, the bottom end of the receiving plate is rotatably connected to a gear through a bearing, the gear is meshed with a gear ring, a support rod is fixedly installed on the bottom end of the gear, a secondary stirring rod is fixedly installed on the support rod, and there are four support rods. A main rotating rod is fixedly installed on the bottom end of the receiving plate, and a main stirring rod is fixedly installed on the main rotating rod.

[0013] The utility model proposes a device for preparing chlorinated polyvinyl chloride by a gas-liquid method, and the beneficial effects are: the utility model is provided with a stirring mechanism, so that the material is fully stirred, which is beneficial to the preparation of chlorinated polyvinyl chloride; and the utility model is provided with a lifting mechanism, so that the purpose of facilitating the lifting and lowering of the stirring mechanism is achieved, which is beneficial to the cleaning of the stirring mechanism and convenient for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a side view of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the stirring mechanism of the utility model;

[0017] Figure 4 It is a schematic diagram of a column of the utility model.

[0018] In the figure: 1. Reactor; 21. Second mounting plate; 22. Limit sleeve; 23. Lifting block; 24. Sliding rod; 25. First motor; 26. First mounting plate; 27. Screw rod; 31. Second motor; 32. Gear ring; 33. Receiver plate; 34. Gear; 35. Secondary stirring rod; 36. Supporting rod; 37. Main stirring rod; 38. Main rotating rod; 39. Column; 4. Cover plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4, a device for preparing chlorinated polyvinyl chloride by a gas-liquid method, comprising a reactor 1, characterized in that: a lifting mechanism is installed on the side of the reactor 1, and the lifting mechanism is provided to facilitate the lifting and lowering of the stirring mechanism, which is conducive to cleaning the stirring mechanism and convenient for subsequent use. A cover plate 4 is installed on the lifting mechanism, and the shape of the cover plate 4 is a circular plate. A stirring mechanism is installed at the bottom end of the cover plate 4. The stirring mechanism is provided to facilitate sufficient stirring of the material, which is conducive to the preparation of chlorinated polyvinyl chloride. The lifting mechanism comprises a first mounting plate 26, and the first mounting plate 26 is fixedly installed on the side of the reactor 1. The shape of the first mounting plate 26 is a square plate. A first motor 25 is fixedly installed at the bottom end of the first mounting plate 26, and the first motor 25 drives the screw rod 27 to rotate, thereby achieving the purpose of driving the lifting block 23 to move.

[0021] In detail, the first mounting plate 26 is rotatably connected with a screw rod 27 through a bearing. The screw rod 27 is provided to facilitate the movement of the lifting block 23. The bottom end of the screw rod 27 rotates through the first mounting plate 26 and is fixedly connected to the rotating shaft end of the first motor 25. The lifting block 23 is threadedly connected to the screw rod 27. The setting of the lifting block 23 realizes the installation of the cover plate 4. The side of the lifting block 23 is fixedly connected to the cover plate 4. The shape of the lifting block 23 is a square block. The side of the reactor 1 is fixedly installed with a second mounting plate 21. The setting of the second mounting plate 21 is convenient for receiving the installation of the slide rod 24. The second mounting plate 21 A slide rod 24 is fixedly installed on the top, and the shape of the slide rod 24 is a cylindrical rod. A limit sleeve 22 is fixedly installed on the side of the cover plate 4, and the shape of the limit sleeve 22 is a circular ring. The limit sleeve 22 slides on the surface of the slide rod 24. When the cover plate 4 needs to be lifted or lowered, the first motor 25 is started, and the first motor 25 drives the screw rod 27 to rotate, and the screw rod 27 drives the lifting block 23 to move. During the movement, the lifting block 23 will drive the cover plate 4 to move. Under the limiting action of the limit sleeve 22 of the slide rod 24, the cover plate 4 will move vertically, thereby realizing the lifting and lowering of the cover plate 4, making it easy to clean the stirring mechanism and facilitate subsequent use.

[0022] In more detail, the stirring mechanism includes a column 39, the number of which is two, and the shape of the column 39 is cylindrical. The two columns 39 are fixedly mounted on the bottom end of the cover plate 4, and a gear ring 32 is fixedly mounted on the bottom end of the column 39. The gear ring 32 is provided to facilitate meshing with the gear 34. The teeth of the gear ring 32 are located on the inner wall of the gear ring 32. A second motor 31 is fixedly mounted on the top end of the cover plate 4. The second motor 31 has forward and reverse rotation functions. The second motor 31 is provided to facilitate driving the receiving plate 33 to rotate. The shaft end of the second motor 31 passes through the cover plate 4 and is fixedly mounted with the receiving plate 33. The shape of the receiving plate 33 is cross-shaped. The provision of the receiving plate 33 facilitates the installation of the receiving gear 34 and the main rotating rod 38. The bottom end of the receiving plate 33 is rotatably connected to the gear 34 through a bearing. The number of the gears 34 is four, and the gear 34 meshes with the gear ring 32. , a supporting rod 36 is fixedly installed at the bottom end of the gear 34, and a secondary stirring rod 35 is fixedly installed on the supporting rod 36. There are four supporting rods 36, and a main rotating rod 38 is fixedly installed at the bottom end of the receiving plate 33, and a main stirring rod 37 is fixedly installed on the main rotating rod 38. The main stirring rod 37 and the secondary stirring rod 35 are cross-arranged for uniform stirring of the materials. When it is necessary to prepare chlorinated polyvinyl chloride, the raw materials are added into the reactor 1, and the second motor 31 is started. The second motor 31 drives the receiving plate 33 to rotate, and the receiving plate 33 drives the main rotating rod 38 and the main stirring rod 37 to rotate. At the same time, when the receiving plate 33 rotates, it will drive the gear 34 and the secondary stirring rod 35 to perform circular motion. The gear 34 is meshed with the gear ring 32, and the secondary stirring rod 35 will rotate during the circular motion, so as to achieve the purpose of fully stirring the raw materials, which is beneficial to the preparation of chlorinated polyvinyl chloride.

[0023] Working mode: During operation, when chlorinated polyvinyl chloride needs to be prepared, the raw materials are added into the reactor 1, and the second motor 31 is started. The second motor 31 drives the receiving plate 33 to rotate, and the receiving plate 33 drives the main rotating rod 38 and the main stirring rod 37 to rotate. At the same time, when the receiving plate 33 rotates, it will drive the gear 34 and the secondary stirring rod 35 to perform circular motion. The gear 34 is meshed with the gear ring 32. During the circular motion, the secondary stirring rod 35 will rotate on its own, thereby achieving the purpose of fully stirring the raw materials, which is beneficial to the preparation of chlorinated polyvinyl chloride.

[0024] When the stirring mechanism needs to be cleaned, the first motor 25 is started, and the first motor 25 drives the screw rod 27 to rotate, and the screw rod 27 drives the lifting block 23 to move. During the movement of the lifting block 23, the cover plate 4 will be driven to move. Under the limiting action of the limiting sleeve 22 of the slide rod 24, the cover plate 4 will move vertically, thereby realizing the lifting and lowering of the cover plate 4, which is convenient for cleaning the stirring mechanism and subsequent use.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for preparing chlorinated polyvinyl chloride by a gas-liquid process, comprising a reaction kettle (1), characterized in that: A lifting mechanism is installed on the side of the reaction kettle (1), a cover plate (4) is installed on the lifting mechanism, a stirring mechanism is installed at the bottom end of the cover plate (4), the lifting mechanism comprises a first mounting plate (26), the first mounting plate (26) is fixedly mounted on the side of the reaction kettle (1), the first mounting plate (26) is in the shape of a square plate, and a first motor (25) is fixedly mounted at the bottom end of the first mounting plate (26).

2. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 1, characterized in that: A screw rod (27) is rotatably connected to the first mounting plate (26) via a bearing, and the bottom end of the screw rod (27) rotatably passes through the first mounting plate (26) and is fixedly connected to the rotating shaft end of the first motor (25).

3. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 2, characterized in that: The screw rod (27) is threadedly connected with a lifting block (23), the side surface of the lifting block (23) is fixedly connected to the cover plate (4), and the lifting block (23) is in the shape of a square block.

4. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 1, characterized in that: A second mounting plate (21) is fixedly mounted on the side of the reaction kettle (1), a sliding rod (24) is fixedly mounted on the second mounting plate (21), and the sliding rod (24) is in the shape of a cylindrical rod. A limiting sleeve (22) is fixedly mounted on the side of the cover plate (4), and the limiting sleeve (22) is in the shape of a circular ring. The limiting sleeve (22) slides on the surface of the sliding rod (24).

5. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 4, characterized in that: The stirring mechanism comprises a column (39), the number of the columns (39) is two, the two columns (39) are fixedly mounted on the bottom end of the cover plate (4), a toothed ring (32) is fixedly mounted on the bottom end of the column (39), and the teeth of the toothed ring (32) are located on the inner wall of the toothed ring (32).

6. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 5, characterized in that: A second motor (31) is fixedly mounted on the top of the cover plate (4); a rotating shaft end of the second motor (31) passes through the cover plate (4) and is fixedly mounted with a receiving plate (33); the receiving plate (33) is in the shape of a cross.

7. The device for preparing chlorinated polyvinyl chloride by gas-liquid method according to claim 6, characterized in that: The bottom end of the receiving plate (33) is rotatably connected to a gear (34) via a bearing, the gear (34) meshes with the gear ring (32), a support rod (36) is fixedly mounted on the bottom end of the gear (34), a secondary stirring rod (35) is fixedly mounted on the support rod (36), and the number of the support rods (36) is four, a main rotating rod (38) is fixedly mounted on the bottom end of the receiving plate (33), and a main stirring rod (37) is fixedly mounted on the main rotating rod (38).

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