Reaction kettle for polymer synthesis

Abstract

The utility model provides a reaction kettle for polymer synthesis, which comprises a reaction kettle main body, a stirring component is inserted into the reaction kettle main body, one end of the stirring component penetrates through the bottom wall of the reaction kettle main body, the bottom end of the stirring component is connected with a bearing plate, a lifting rod is arranged at the bottom end of the bearing plate, and a connecting ring is arranged outside the lifting rod. During specific implementation, the eccentric shaft is driven by the driving part to rotate, the eccentric shaft drives the lifting rod to ascend and descend through the connecting ring, and the lifting rod drives the stirring assembly to ascend and descend through the bearing plate. When the resin polymer raw materials are stirred, not only is the resin polymer raw materials in the horizontal direction stirred, but also the lower-layer resin polymer raw materials and the upper-layer resin polymer raw materials can be stirred through lifting of the stirring assembly, so that the upper-layer raw materials and the lower-layer raw materials are fully mixed; therefore, the polymerization reaction rate of the resin polymer raw materials is accelerated.

Description

Technical Field

[0001] The utility model relates to the field of reaction kettles, in particular to a reaction kettle for polymer synthesis. Background Art

[0002] Resin polymer reactor is a key equipment used for polymer synthesis reaction in the modern chemical industry. It realizes the production of polymer materials by precisely controlling reaction conditions such as temperature, pressure, stirring, etc. This equipment is usually composed of reaction vessel, stirring system, heating / cooling system, feeding / discharging system and control system, etc. It can ensure that the raw materials are mixed and reacted in a suitable environment, thereby producing high-quality resin products.

[0003] In the existing resin polymer reactor, a stirring paddle is driven by a driving motor to stir the resin polymer raw materials in the reactor tank. Although the resin polymer raw materials can be stirred, since the position of the stirring paddle is relatively fixed, only the resin polymer raw materials in a fixed area can be stirred during stirring, resulting in different mixing effects between the upper raw materials and the lower raw materials, so that the polymerization reaction rate of the upper raw materials is slower than that of the lower raw materials, and the vertical fluidity of the resin polymer raw materials is poor during the stirring process, so that the upper raw materials and the lower raw materials cannot be fully mixed, which affects the polymerization rate of the resin polymer raw materials.

[0004] Therefore, it is necessary to provide a new polymer synthesis reactor to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a reactor for polymer synthesis.

[0006] The reactor for polymer synthesis provided by the utility model comprises: a reactor body, a stirring assembly inserted in the reactor body, one end of the stirring assembly passing through the top wall of the reactor body, a receiving plate movably connected to the top of the stirring assembly, a lifting rod fixedly installed on the top of the receiving plate, a connecting ring fixedly connected to the outside of the lifting rod, an eccentric shaft fixedly installed on one side of the connecting ring, and a driving member for driving the eccentric shaft to rotate fixedly installed on one end of the eccentric shaft.

[0007] Preferably, the stirring assembly includes a driving motor 1, which is fixedly installed at the bottom end of the reactor body. A connecting rod is fixedly installed at the output end of the driving motor 1, and the connecting rod is inserted into the inner cavity of the reactor body. A sleeve is nested outside the connecting rod, and a plurality of slide grooves are provided on the inner wall of the sleeve. The plurality of slide grooves are all matched with the connecting rod. A plurality of stirring rods are also fixedly installed outside the sleeve, and the top end of the sleeve is movably connected to the receiving plate.

[0008] Preferably, the reactor body includes a reactor tank body, a jacket is nested outside the reactor tank body, a discharge port is opened on one side of the bottom end of the reactor tank body, the discharge port passes through the jacket, a water inlet is opened on one side of the jacket adjacent to the reactor cover, a water outlet is opened at the bottom end of the jacket, and a plurality of support legs are fixedly installed at the bottom end of the jacket.

[0009] Preferably, the reactor body includes a reactor cover, which is detachably connected to the top of the reactor tank body, and the bottom of the reactor tank body is fixedly connected to the driving motor. A feed port is provided on the top of the reactor cover.

[0010] Preferably, the driving member includes a second driving motor, the second driving motor is fixedly connected to the top of the reactor cover, and the output end of the second driving motor is fixedly connected to the eccentric shaft.

[0011] Preferably, the plurality of stirring rods are arranged in a circular array with the sleeve as the central axis and are inserted outside the sleeve, and the plurality of stirring rods are distributed in multiple layers from bottom to top.

[0012] Compared with the related art, the polymer synthesis reactor provided by the present invention has the following beneficial effects:

[0013] The utility model provides a reactor for polymer synthesis. During specific implementation, a driving member is started, the driving member drives the eccentric shaft to rotate, the eccentric shaft drives the lifting rod to move up and down through a connecting ring, and the lifting rod drives the stirring assembly to move up and down through a receiving plate, so that when the resin polymer raw material is stirred, not only the resin polymer raw material in the horizontal direction is stirred, but also the lower layer of the resin polymer raw material and the upper layer of the resin polymer raw material can be stirred through the lifting and lowering of the stirring assembly, so that the upper layer of the resin polymer raw material and the lower layer of the resin polymer raw material are fully mixed, thereby accelerating the polymerization reaction rate of the resin polymer raw material. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a polymer synthesis reactor provided by the utility model;

[0015] Figure 2 A vertical cross-sectional view of a polymer synthesis reactor provided by the present invention;

[0016] Figure 3 This is a horizontal cross-sectional view of a polymer synthesis reactor provided by the utility model.

[0017] Numbers in the figure: 1. Reactor body; 101. Reactor cover; 102. Feed inlet; 103. Discharge outlet; 104. Jacket; 105. Water inlet; 106. Water outlet; 107. Support legs; 108. Fixed plate; 109. Reactor body; 2. Stirring assembly; 201. Drive motor 1; 202. Connecting rod; 203. Sleeve; 204. Slide; 205. Stirring rod; 3. Receiver plate; 4. Lifting rod; 5. Connecting ring; 6. Eccentric shaft; 7. Drive motor 2. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0019] Please refer to Figure 1 — Figure 3 ,in, Figure 1 This is a schematic diagram of the overall structure of a polymer synthesis reactor provided by the utility model; Figure 2 A vertical cross-sectional view of a polymer synthesis reactor provided by the present invention; Figure 3 This is a horizontal cross-sectional view of a polymer synthesis reactor provided by the utility model.

[0020] In the specific implementation process, a polymer synthesis reactor, the structure of which is as follows Figure 1 — Figure 3As shown, it includes: a reactor body 1, a stirring assembly 2 is inserted into the reactor body 1, the stirring assembly 2 includes a driving motor 201 bolted to the bottom end of the reactor body 1, a vertical connecting rod 202 is welded to the output end of the driving motor 201, the other end of the connecting rod 202 is inserted into the reactor body 1, the distance from the top end of the connecting rod 202 to the top wall of the inner cavity of the reactor body 1 is much greater than the distance to the bottom wall of the inner cavity of the reactor body 1, both sides of the connecting rod 202 are integrally connected with sliders, and the outer part of the connecting rod 202 in the reactor body 1 is A vertical sleeve 203 is nested, and a slide groove 204 is opened in the sleeve 203. The sleeve 203 can slide up and down along the connecting rod 202. At the same time, the connecting rod 202 limits the sleeve 203 through the slide groove 204. When the driving motor 201 drives the connecting rod 202 to rotate, the sleeve 203 rotates with the connecting rod 202 under the limiting action of the slide groove 204. A plurality of horizontal stirring rods 205 are installed outside the sleeve 203. The plurality of stirring rods 205 are arranged around the circumference of the sleeve 203 and distributed in multiple layers from bottom to top. The sleeve 203 The other end passes through the top wall of the reactor body 1, and the other end of the sleeve 203 is rotatably connected to the receiving plate 3, the top of the receiving plate 3 is welded with a lifting rod 4, and the outside of the lifting rod 4 is welded with a connecting ring 5. An eccentric shaft 6 is rotatably installed on one side of the connecting ring 5. The other end of the eccentric shaft 6 is welded to the output end of the drive motor 2 7. A fixing plate 108 is welded to the top of the reactor body 1. The drive motor 2 7 is bolted to the side wall of the fixing plate 108. After starting the drive motor 2 7, the output end of the drive motor 2 7 drives the eccentric shaft 6 to rotate. Since the other end of the eccentric shaft 6 passes through the connecting ring 5 is connected to the lifting rod 4, and the connecting ring 5 is welded to the lifting rod 4, and the lifting rod 4 is welded to the receiving plate 3. The receiving plate 3 is rotatably connected with a sleeve 203, and the sleeve 203 can only be lifted and lowered along the connecting rod 202, so that the connecting ring 5 can only move up and down. Driven by the eccentric shaft 6, the lifting rod 4 is lifted and lowered, thereby lifting and lowering the sleeve 203. The lifting and lowering of the sleeve 203 drives the stirring rod 205 to lift and lower, so that the stirring rod 205 can be lifted and lowered while stirring in the horizontal direction, so that the resin raw material is stirred more fully.

[0021] The reactor body 1 includes a reactor body 109 and a reactor cover 101. The top of the reactor body 109 is connected to the bottom of the reactor cover 101 by bolts. A feed port 102 is provided at the top of the reactor cover 101, and resin polymer raw materials are filled into the reactor body 109 through the feed port 102. A discharge port 103 is provided on one side of the bottom of the reactor body 109, and the resin after the polymerization reaction is completed is discharged through the discharge port 103. A jacket 104 is nested outside the reactor body 109, and the discharge port 103 passes through the jacket 104. A water inlet 105 is provided on one side of the jacket 104 adjacent to the reactor cover 101. Steam or cold water is injected into the jacket 104 to increase or decrease the temperature in the reactor body 109. A water outlet 106 is provided on one side of the bottom of the jacket 104, and the gas or liquid in the jacket 104 is discharged through the water outlet 106. A plurality of support legs 107 are welded to the bottom of the jacket 104.

[0022] The connections between the connecting rod 202 and the reactor tank body 109 and the jacket 104 are sealed with silicone pads or oil seals, and the sleeve 203 passing through the reactor cover 101 is also sealed with silicone pads or oil seals.

[0023] The working principle provided by the present invention is as follows: resin polymer raw materials are filled into the reactor tank body 109 through the feed port 102, and then liquid is injected into the jacket 104 through the water inlet 105 to make the temperature in the reactor tank body 109 reach a temperature suitable for the polymerization reaction, and then the drive motor 1 201 and the drive motor 2 7 are started. At this time, the drive motor 1 201 drives the sleeve 203 to rotate through the connecting rod 202, and the sleeve 203 drives multiple stirring rods 205 to stir in the horizontal direction, and the drive motor 2 7 drives the eccentric shaft 6 to rotate, and the eccentric shaft 6 drives the lifting rod 4 to rise and fall through the connecting ring 5, and the lifting rod 4 drives the sleeve 203 to rise and fall through the receiving plate 3, thereby causing the stirring rod 205 to rise and fall, so as to achieve more sufficient stirring of the resin polymer raw materials, increase the reaction rate, and improve the reaction efficiency.

[0024] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0025] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A polymer synthesis reactor, characterized in that: The invention comprises a reactor body (1), wherein a stirring assembly (2) is inserted into the reactor body (1), one end of the stirring assembly (2) passes through the top wall of the reactor body (1), the top of the stirring assembly (2) is movably connected to a receiving plate (3), the top of the receiving plate (3) is fixedly installed with a lifting rod (4), the outside of the lifting rod (4) is fixedly connected with a connecting ring (5), one side of the connecting ring (5) is fixedly installed with an eccentric shaft (6), one end of the eccentric shaft (6) is fixedly installed with a driving member for driving the eccentric shaft (6) to rotate, the stirring assembly (2) comprises a driving motor (201), the The driving motor 1 (201) is fixedly installed at the bottom end of the reactor body (1), and a connecting rod (202) is fixedly installed at the output end of the driving motor 1 (201). The connecting rod (202) is inserted into the inner cavity of the reactor body (1), and a sleeve (203) is nested outside the connecting rod (202). The inner wall of the sleeve (203) is provided with a plurality of sliding grooves (204), and the plurality of sliding grooves (204) are all matched with the connecting rod (202). A plurality of stirring rods (205) are also fixedly installed outside the sleeve (203), and the top end of the sleeve (203) is movably connected to the receiving plate (3).

2. The polymer synthesis reactor according to claim 1, characterized in that: The reactor body (1) comprises a reactor tank body (109), a jacket (104) is nested outside the reactor tank body (109), a discharge port (103) is provided on one side of the bottom end of the reactor tank body (109), the discharge port (103) passes through the jacket (104), a water inlet (105) is provided on one side of the jacket (104) adjacent to the reactor cover (101), a water outlet (106) is provided at the bottom end of the jacket (104), and a plurality of support legs (107) are fixedly installed at the bottom end of the jacket (104).

3. The polymer synthesis reactor according to claim 2, characterized in that: The reactor body (1) comprises a reactor cover (101), wherein the reactor cover (101) is detachably connected to the top of the reactor tank body (109), the bottom of the reactor tank body (109) is fixedly connected to a driving motor (201), and a feed port (102) is provided at the top of the reactor cover (101).

4. The polymer synthesis reactor according to claim 3, characterized in that: The driving component includes a second driving motor (7), which is fixedly connected to the top of the reactor cover (101), and the output end of the second driving motor (7) is fixedly connected to the eccentric shaft (6).

5. The polymer synthesis reactor according to claim 4, characterized in that: The plurality of stirring rods (205) are arranged in a circular array with the sleeve (203) as the central axis and are inserted outside the sleeve (203), and the plurality of stirring rods (205) are distributed in multiple layers from bottom to top.

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