CN212680988U

CN212680988U - Integrated nylon polymerization reactor

Info

Publication number: CN212680988U
Application number: CN202020959949.5U
Authority: CN
Inventors: 丁仁建
Original assignee: Yangzhou Ruibang Chemical Industry Technique
Current assignee: Yangzhou Ruibang Chemical Industry Technique
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-12
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to the technical field of polymerization reactors, in particular to an integrated nylon polymerization reactor, wherein a feed pipe is arranged above a discharge pipe, the feed pipe and the discharge pipe are communicated with a reaction cavity of a reaction vessel, a stirring motor is arranged above the reaction vessel, and an output shaft of the stirring motor is connected with a stirring component in the reaction cavity through a rotating bearing; the stirring subassembly includes (mixing) shaft, adapter sleeve, first stirring rake, connecting piece and second stirring rake, and vertical, the rotatable setting of (mixing) shaft is in reaction vessel, first stirring rake passes through the adapter sleeve configuration is in on the (mixing) shaft, the second stirring rake passes through the connecting piece connect in first stirring rake. The stirring motor drives the stirring shaft to rotate, so that the first stirring paddle and the second stirring paddle are driven to rotate, the stirring range of the first stirring paddle in the reaction cavity can be properly enlarged through the second stirring paddle, and materials in the reaction cavity are fully mixed.

Description

Integrated nylon polymerization reactor

Technical Field

The utility model relates to a polymerization reactor technical field, concretely relates to integration nylon polymerization reactor.

Background

The polymerization reactor is used for producing liquid polymers in a predetermined viscosity range, the polymerization reactor is a relatively complicated reaction apparatus and has many problems to be considered, and the dynamic behavior of the polymerization reactor can be used for analysis and determination of process design and operating conditions, and is also a basis for design and analysis of a control system in an industrial apparatus.

The reactor structure under the prior art usually includes barrel itself, speed reducer, motor etc. a series of structures, stirs the mixed reaction to the inside raw materials of barrel usually, after the reaction is accomplished from corresponding valve discharge can, there is following problem at the in-process of reaction usually: the materials in the reactor are not stirred uniformly and thoroughly enough, the possibility of slurry accumulation and material blockage in the reactor is high, and the material conversion rate is low.

SUMMERY OF THE UTILITY MODEL

To the technical problem in the background art, the utility model provides an integration nylon polymerization ware.

An integrated nylon polymerization reactor comprises a reaction vessel, a feeding pipe, a discharging pipe, a stirring motor, a rotating bearing and a stirring assembly; the feeding pipe is arranged above the discharging pipe, the feeding pipe and the discharging pipe are communicated with a reaction cavity of the reaction container, the stirring motor is arranged above the reaction container, and an output shaft of the stirring motor is connected to the stirring assembly in the reaction cavity through a rotating bearing; the stirring subassembly includes (mixing) shaft, adapter sleeve, first stirring rake, connecting piece and second stirring rake, the vertical, rotatable setting of (mixing) shaft is in among the reaction vessel, first stirring rake passes through the adapter sleeve configuration is in on the (mixing) shaft, the second stirring rake passes through the connecting piece connect in first stirring rake.

Preferably, two ends of the stirring shaft are arranged in the reaction chamber through corresponding rotating bearings, the rotating bearing at the upper end of the stirring shaft is fixed at the top of the reaction container, a sealing ring is arranged between the rotating bearing at the upper end of the stirring shaft and the reaction container, and the rotating bearing at the lower end of the stirring shaft is fixed at the bottom end face of the reaction chamber.

Preferably, two the first stirring rake is fixed of relative position on the adapter sleeve, the connecting piece is vertical to be fixed and is kept away from adapter sleeve one end on the first stirring rake, the upper and lower extreme of connecting piece respectively is fixed with first stirring rake.

Preferably, a throttle valve is arranged on each of the feeding pipe and the discharging pipe.

Preferably, an ocular lens is arranged above the reaction vessel.

Preferably, a cooling assembly is arranged outside the reaction vessel.

Preferably, the cooling assembly comprises a cooling liquid pipeline, a cooling liquid inlet and a cooling liquid outlet, the cooling liquid pipeline is arranged outside the reaction vessel, and the two ends of the cooling liquid pipeline are provided with the corresponding cooling liquid inlet and the corresponding cooling liquid outlet.

The utility model provides an integration nylon polymerization ware, beneficial effect lies in: the stirring motor drives the stirring shaft to rotate, so that the first stirring paddle and the second stirring paddle are driven to rotate, the stirring range of the first stirring paddle in the reaction cavity can be properly enlarged through the second stirring paddle, and materials in the reaction cavity are fully mixed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of a stirring assembly in the apparatus of the present invention;

the labels in the figure are: 1. a reaction vessel; 11. a reaction chamber; 2. a feed pipe; 3. a discharge pipe; 4. a stirring motor; 5. a rotating bearing; 6. a stirring assembly; 61. a stirring shaft; 62. connecting sleeves; 63. a first stirring paddle; 64. a connecting member; 65. a second stirring paddle; 7. a seal ring; 8. connecting sleeves; 9. a throttle valve; 10. an eyepiece; 12. a cooling assembly; 121. a coolant line; 122. a coolant inlet; 123. and a cooling liquid outlet.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, an integrated nylon polymerization reactor includes a reaction vessel 1, a feed pipe 2, a discharge pipe 3, a stirring motor 4, a rotary bearing 5, and a stirring assembly 6. The feeding pipe 2 is arranged above the discharging pipe 3, the feeding pipe 2 and the discharging pipe 3 are communicated with a reaction cavity 11 of the reaction vessel 1, the stirring motor 4 is arranged above the reaction vessel 1, and an output shaft of the stirring motor is connected with the stirring assembly 6 positioned in the reaction cavity 11 through a rotating bearing 5; stirring subassembly 6 includes (mixing) shaft 61, adapter sleeve 62, first stirring rake 63, connecting piece 64 and second stirring rake 65, the vertical, rotatable setting of (mixing) shaft 61 is in reaction vessel 1, first stirring rake 63 passes through adapter sleeve 62 configuration is in on the (mixing) shaft 61, second stirring rake 65 passes through connecting piece 64 connect in first stirring rake 63. The material can get into reaction vessel 1's reaction chamber 11 through inlet pipe 2 in, agitator motor 4 starts, drives (mixing) shaft 61 and rotates to drive first stirring rake 63 and second stirring rake 65 on the (mixing) shaft 61 and rotate, material in can intensive mixing reaction chamber 11 lets its intensive reaction.

Two ends of the stirring shaft 61 are disposed in the reaction chamber 11 through the corresponding rotating bearings 5, the rotating bearing 5 at the upper end of the stirring shaft 61 is fixed at the top of the reaction vessel 1, a sealing ring 7 is arranged between the rotating bearing 5 at the upper end of the stirring shaft 61 and the reaction vessel 1, and the rotating bearing 5 at the lower end of the stirring shaft 61 is fixed at the bottom end face of the reaction chamber 11. The stirring shaft 61 can be rotated more smoothly by the provision of the rotary bearing 5, and the packing 7 is provided between the rotary bearing 5 and the reaction vessel 1 to fill a gap therebetween.

The two first stirring paddles 63 are fixed on the connecting sleeve 62 at opposite positions, the connecting piece 64 is vertically fixed on the first stirring paddle 63 far away from one end of the connecting sleeve 62, and the upper end and the lower end of the connecting piece 64 are respectively fixed with the second stirring paddle 65. The stirring range of the first stirring paddle 63 in the reaction chamber 11 can be properly increased by the second stirring paddle 65, so that the materials in the reaction chamber 11 can be fully mixed.

The feed pipe 2 and the discharge pipe 3 are each provided with a throttle valve 9, and the feed pipe 2 and the discharge pipe 3 are opened/closed by opening the corresponding throttle valve 9.

An ocular lens 10 is arranged above the reaction vessel 1, and the reaction condition of the materials in the reaction vessel 1 can be directly observed through the ocular lens 10.

The reaction of the materials in the reaction vessel 1 may be an exothermic reaction, and the cooling module 12 is provided outside the reaction vessel 1, so that the temperature in the reaction vessel 1 can be appropriately lowered by the cooling module 12. The cooling assembly 12 comprises a cooling liquid pipe 121, a cooling liquid inlet 122 and a cooling liquid outlet 123, wherein the cooling liquid pipe 121 is arranged outside the reaction vessel 1, and the cooling liquid inlet 122 and the cooling liquid outlet 123 are respectively arranged at two ends of the cooling liquid pipe 12. The coolant liquid gets into from coolant liquid import 122, through coolant liquid pipeline 121 to the cooling outlet 123 comes out, thereby takes away the heat in the reaction vessel 1, realizes lowering the temperature to the material in the reaction vessel 1.

The working principle of the utility model is as follows:

the material can get into reaction vessel 1's reaction chamber 11 through inlet pipe 2 in, agitator motor 4 starts, drives (mixing) shaft 61 and rotates to drive first stirring rake 63 and second stirring rake 65 on the (mixing) shaft 61 and rotate, the material in can the intensive mixing reaction intracavity lets its intensive reaction. The coolant liquid gets into from coolant liquid import 122, through coolant liquid pipeline 121 to cooling outlet 123 comes out, thereby takes away the heat in the reaction vessel, realizes lowering the temperature to the material in the reaction vessel.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated nylon polymerization reactor is characterized by comprising a reaction container, a feeding pipe, a discharging pipe, a stirring motor, a rotating bearing and a stirring assembly; the feeding pipe is arranged above the discharging pipe, the feeding pipe and the discharging pipe are communicated with a reaction cavity of the reaction container, the stirring motor is arranged above the reaction container, and an output shaft of the stirring motor is connected to the stirring assembly in the reaction cavity through a rotating bearing; the stirring subassembly includes (mixing) shaft, adapter sleeve, first stirring rake, connecting piece and second stirring rake, the vertical, rotatable setting of (mixing) shaft is in among the reaction vessel, first stirring rake passes through the adapter sleeve configuration is in on the (mixing) shaft, the second stirring rake passes through the connecting piece connect in first stirring rake.

2. The integrated nylon polymerization reactor of claim 1, wherein two ends of the stirring shaft are disposed in the reaction chamber through the corresponding rotating bearings, the rotating bearing at the upper end of the stirring shaft is fixed at the top of the reaction vessel, a sealing ring is arranged between the rotating bearing at the upper end of the stirring shaft and the reaction vessel, and the rotating bearing at the lower end of the stirring shaft is fixed at the bottom end face of the reaction chamber.

3. The integrated nylon polymerization reactor of claim 1, wherein the two first stirring paddles are fixed on the connecting sleeve in opposite positions, the connecting member is vertically fixed on the first stirring paddle far away from one end of the connecting sleeve, and the upper end and the lower end of the connecting member are respectively fixed with the second stirring paddle.

4. The integrated nylon polymerization reactor of claim 1, wherein a throttle valve is provided on each of the feed pipe and the discharge pipe.

5. The integrated nylon polymerization reactor of claim 1, wherein an eyepiece is disposed above the reaction vessel.

6. The integrated nylon polymerization reactor of claim 1, wherein a cooling assembly is disposed outside the reaction vessel.

7. The integrated nylon polymerization reactor of claim 6, wherein the cooling assembly comprises a cooling liquid pipeline, a cooling liquid inlet and a cooling liquid outlet, the cooling liquid pipeline is arranged outside the reaction vessel, and the two ends of the cooling liquid pipeline are provided with the corresponding cooling liquid inlet and the corresponding cooling liquid outlet.