阅读说明：本技术 一种适用于熔融酯交换法合成聚碳酸酯的装置 (Device suitable for synthesizing polycarbonate by molten ester exchange method ) 是由 余国清 杜杠杆 张宗正 吕志华 卢飞 于 2020-08-11 设计创作，主要内容包括：本发明属于熔融法聚碳酸酯技术领域,且公开了一种适用于熔融酯交换法合成聚碳酸酯的装置,包括聚合釜外壳,所述聚合釜外壳的顶部安装有第一法兰,所述第一法兰的顶部连接有第二法兰,所述第二法兰的顶部安装有苯酚接收器,所述聚合釜外壳的内部底端固定有放置台,所述放置台的顶部安装有皿器,所述皿器的顶端连接有固定环,且皿器的底部固定有插块,所述放置台的顶部开设有与插块相匹配的插槽,本发明通过固定块、限位槽、伸缩筒和弹簧的配合,使得固定块始终具有向下运动的趋势,从而使固定块抵紧固定环,进而将皿器牢牢抵在放置台上,最终实现了皿器的稳固,防止了皿器发生剧烈晃动,提高了装置的稳定性。(The invention belongs to the technical field of polycarbonate by a melting method, and discloses a device suitable for synthesizing polycarbonate by a melting ester exchange method, which comprises a polymerization kettle shell, wherein the top of the polymerization kettle shell is provided with a first flange, the top of the first flange is connected with a second flange, the top of the second flange is provided with a phenol receiver, the bottom end inside the polymerization kettle shell is fixedly provided with a placing table, the top of the placing table is provided with a vessel device, the top end of the vessel device is connected with a fixing ring, the bottom of the vessel device is fixedly provided with an inserting block, and the top of the placing table is provided with an inserting groove matched with the inserting block. Prevent the dish ware from violently shaking, and improve the stability of the device.)

1. An apparatus suitable for synthesizing polycarbonate by a melt transesterification method, characterized in that: comprises a polymerization kettle shell (3), wherein a first flange (11) is installed at the top of the polymerization kettle shell (3), a second flange (12) is connected to the top of the first flange (11), a phenol receiver (1) is installed at the top of the second flange (12), a placing table (4) is fixed at the bottom end inside the polymerization kettle shell (3), a dish device (7) is installed at the top of the placing table (4), a fixing ring (8) is connected to the top end of the dish device (7), an inserting block (5) is fixed at the bottom of the dish device (7), inserting grooves (6) matched with the inserting block (5) are formed in the top of the placing table (4), telescopic cylinders (13) are installed at two ends of the bottom of the phenol receiver (1) and inside the second flange (12), and fixing blocks (9) are connected to the upper portions, close to the fixing ring (8), of one ends, extending to the inside of the polymerization kettle shell (3), of the telescopic cylinders (13), and the outer wall cover of a telescopic cylinder (13) is provided with a spring (10), and the two ends of the top of the fixing ring (8) are provided with limit grooves (14) matched with the fixing blocks (9).

2. The apparatus for the synthesis of polycarbonate by the melt transesterification method according to claim 1, wherein: install snap ring (15) in the middle of the bottom of second flange (12), and constant head tank (16) have all been seted up to one side that the bottom both ends of second flange (12) are close to snap ring (15), seted up in the middle of the top of first flange (11) with snap ring (15) assorted draw-in groove (18), and the top both ends of first flange (11) all install one side that is close to draw-in groove (18) with constant head tank (16) assorted reference column (17), the cover is equipped with cutting ferrule (2) between the outer wall of first flange (11) and second flange (12).

3. The apparatus for the synthesis of polycarbonate by the melt transesterification method according to claim 1, wherein: one end of the spring (10) is connected with the fixed block (9), and the other end of the spring (10) is connected with the phenol receiver (1).

4. The apparatus for the synthesis of polycarbonate by the melt transesterification method according to claim 2, wherein: the inner wall of the clamping groove (18) is provided with a sealing gasket, and the outer wall of the sealing gasket is provided with an anti-skidding convex line.

5. The apparatus for the synthesis of polycarbonate by the melt transesterification method according to claim 2, wherein: the clamping sleeve (2) is of a U-shaped structure, and a damping plate is installed at the bottom of the polymerization kettle shell (3).

6. The apparatus for the synthesis of polycarbonate by the melt transesterification method according to claim 1, wherein: the inner wall of the slot (6) is provided with a backing plate, and the outer wall of the backing plate is provided with anti-skid convex lines.

Technical Field

The invention belongs to the technical field of polycarbonate by a melting method, and particularly relates to a device suitable for synthesizing polycarbonate by a melting ester exchange method.

Background

The melting method polycarbonate is also called transesterification method polycarbonate, and is polycarbonate prepared by transesterification and polycondensation, the melting transesterification method is a method for promoting the evaporation of phenol which is a byproduct generated in the polymerization process through high temperature and reduced pressure, and the method for synthesizing the polycarbonate ensures the reaction, and has the advantages of higher requirement on the purity of raw materials, slower reaction speed, more complex reactor structure and higher requirement on the tightness.

In chinese patent with patent number CN200820124108.1, an integrated ester exchange method synthetic polycarbonate reactor is disclosed, the device is after the synthesis of each time finishes, need take off the phenol receiver earlier, collect phenol, then take out the reaction ware after that, thereby collect the result, nevertheless be difficult to with the ware installation firm when using, agitator work drives the ware vibration easily, lead to the ware to take place acutely to rock, influence the stability of device, in addition, the device passes through the flange and installs the phenol receiver on the polymeric kettle shell, but connect between the flange inseparably, the reactant easily leaks, and easy dislocation when the flange docks, be difficult to accomplish the installation fast, it is very inconvenient during the use.

Disclosure of Invention

The invention aims to provide a device suitable for synthesizing polycarbonate by a molten transesterification method, which aims to solve the problems that the vessel proposed in the background art is difficult to keep firm after being installed, and the flanges are inconvenient to connect and are not tight.

In order to achieve the purpose, the invention provides the following technical scheme: the device suitable for synthesizing the polycarbonate by the melt transesterification method comprises a polymerization kettle shell, wherein a first flange is arranged at the top of the polymerization kettle shell, the top of the first flange is connected with a second flange, the top of the second flange is provided with a phenol receiver, a placing table is fixed at the bottom end in the polymerization kettle shell, a vessel device is installed at the top of the placing table, a fixing ring is connected at the top end of the vessel device, and the bottom of the dish device is fixed with an inserting block, the top of the placing table is provided with a slot matched with the inserting block, the two ends of the bottom of the phenol receiver and the inner part of the second flange are both provided with a telescopic cylinder, one end of the telescopic cylinder extending to the inner part of the polymerization kettle shell is connected with a fixed block close to the upper part of the fixed ring, and the outer wall cover of a telescopic cylinder is provided with a spring, and both ends of the top of the fixing ring are provided with limit grooves matched with the fixing blocks.

Preferably, install the snap ring in the middle of the bottom of second flange, and the bottom both ends of second flange are close to one side of snap ring and all seted up the constant head tank, seted up in the middle of the top of first flange with snap ring assorted draw-in groove, and the top both ends of first flange are close to one side of draw-in groove and all install with constant head tank assorted reference column, the cover is equipped with the cutting ferrule between the outer wall of first flange and second flange.

Preferably, one end of the spring is connected with the fixed block, and the other end of the spring is connected with the phenol receiver.

Preferably, the inner wall of the clamping groove is provided with a sealing gasket, and the outer wall of the sealing gasket is provided with an anti-skid convex line.

Preferably, the cutting ferrule is U type structure, the bottom of polymeric kettle shell is installed the shock attenuation board.

Preferably, the inner wall of the slot is provided with a backing plate, and the outer wall of the backing plate is provided with anti-skid convex lines.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the dish device, the fixing block, the limiting groove, the telescopic cylinder and the spring are matched, so that the fixing block always has a downward movement trend, the fixing block is tightly abutted against the fixing ring, the dish device is firmly abutted against the placing table, the dish device is finally stabilized, the dish device is prevented from shaking violently, and the stability of the device is improved.

(2) The positioning and butt-joint device can quickly complete the positioning and butt-joint of the first flange and the second flange through the matching of the positioning column, the clamping ring, the positioning groove and the clamping groove, is convenient and simple to use, can further reduce the gap between the first flange and the second flange through the mutual clamping of the clamping ring and the clamping groove and the matching of the clamping sleeve, improves the tightness between the first flange and the second flange, and prevents reactant leakage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the first flange and the second flange of the present invention when they are connected;

in the figure: 1-a phenol receiver; 2-cutting the ferrule; 3-a polymerizer shell; 4-placing the table; 5-inserting blocks; 6-slot; 7-a dish device; 8-fixing the ring; 9-fixing block; 10-a spring; 11-a first flange; 12-a second flange; 13-a telescopic cylinder; 14-a limiting groove; 15-a snap ring; 16-a positioning groove; 17-a positioning column; 18-card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a device suitable for synthesizing polycarbonate by a melting ester exchange method comprises a polymeric kettle shell 3, wherein a first flange 11 is arranged at the top of the polymeric kettle shell 3, a second flange 12 is connected at the top of the first flange 11, a phenol receiver 1 is arranged at the top of the second flange 12, a placing table 4 is fixed at the bottom end inside the polymeric kettle shell 3, a dish device 7 is arranged at the top of the placing table 4, a fixing ring 8 is connected at the top end of the dish device 7, an inserting block 5 is fixed at the bottom of the dish device 7, an inserting groove 6 matched with the inserting block 5 is arranged at the top of the placing table 4, the dish device 7 can be fixed on the placing table 4 by inserting the inserting block 5 into the inserting groove 6, telescopic cylinders 13 are respectively arranged at two ends of the bottom of the phenol receiver 1 and inside the second flange 12, one end of each telescopic cylinder 13 extending to the inside of the polymeric kettle shell 3 is close to the upper part of the fixing ring 8 and, and the outer wall cover of telescopic tube 13 is equipped with spring 10, fixed ring 8's top both ends all seted up with fixed block 9 assorted spacing groove 14, install back on polymeric kettle shell 3 when phenol receiver 1, fixed block 9 card is gone into spacing groove 14 this moment, under the supporting role of telescopic tube 13 and spring 10's elastic action, can make fixed block 9 have the trend of downstream, thereby make fixed block 9 support tight fixed ring 8 downwards, and then firmly support utensil ware 7 on placing platform 4, the firm of utensil ware 7 has finally been realized, utensil ware 7 has been prevented to take place acutely to rock, the stability of device has been improved.

Furthermore, a snap ring 15 is installed in the middle of the bottom of the second flange 12, a positioning groove 16 is formed in one side of each of two ends of the bottom of the second flange 12, which is close to the snap ring 15, a clamping groove 18 matched with the snap ring 15 is formed in the middle of the top of the first flange 11, positioning posts 17 matched with the positioning grooves 16 are installed on one side of each of two ends of the top of the first flange 11, which is close to the clamping grooves 18, a clamping sleeve 2 is sleeved between the outer walls of the first flange 11 and the second flange 12, when the first flange 11 and the second flange 12 are installed, the positioning posts 17 and the snap ring 15 can be respectively aligned to the positioning grooves 16 and the clamping grooves 18, the positioning posts 17 are inserted into the positioning grooves 16, the snap ring 15 is inserted into the clamping grooves 18, so that the positioning and butt joint of the first flange 11 and the second flange 12 can be rapidly completed, the use is convenient and simple, meanwhile, the snap-fit of the snap ring 15 and, the tightness between the first flange 11 and the second flange 12 is improved, and the leakage of the reactant is prevented.

Further, one end of a spring 10 is connected with the fixed block 9, the spring 10 has a reset rebound effect, and the other end of the spring 10 is connected with the phenol receiver 1.

Specifically, the inner wall of the clamping groove 18 is provided with a sealing gasket which has the sealing and leakage-proof functions, and the outer wall of the sealing gasket is provided with an anti-skid convex line.

Specifically, cutting ferrule 2 is U type structure, and the shock attenuation board is installed to the bottom of polymeric kettle shell 3, and the shock attenuation board has the absorbing effect.

Specifically, the inner wall of the slot 6 is provided with a backing plate, the backing plate has an anti-skid function, and the outer wall of the backing plate is provided with anti-skid convex lines.

The working principle and the using process of the invention are as follows: when the device is used, the inserting block 5 is inserted into the inserting groove 6, so that the dish device 7 can be fixed on the placing table 4, the phenol receiver 1 is installed on the polymerization kettle shell 3, the positioning column 17 and the clamping ring 15 can be respectively aligned to the positioning groove 16 and the clamping groove 18, the positioning column 17 is inserted into the positioning groove 16, the clamping ring 15 is inserted into the clamping groove 18, so that the positioning butt joint of the first flange 11 and the second flange 12 can be quickly completed, the first flange 11 and the second flange 12 are fixed through bolts after the butt joint, the use is convenient and simple, meanwhile, the clamping ring 15 and the clamping groove 18 are mutually clamped, the clamping sleeve 2 is clamped, so that the gap between the first flange 11 and the second flange 12 can be further reduced, the tightness between the first flange 11 and the second flange 12 is improved, the leakage of reactants is prevented, the fixing block 9 is clamped into the limiting groove 14 at the moment, under the supporting action of the telescopic cylinder 13 and the elastic action of the spring 10, can make fixed block 9 have the trend of downstream to make fixed block 9 support tight fixed ring 8 downwards, and then firmly support utensil ware 7 on placing platform 4, realized the firm of utensil ware 7, prevented that utensil ware 7 from taking place acutely to rock, improved the stability of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.