CN215428906U

CN215428906U - Fluid distributor for olefin polymerization reaction

Info

Publication number: CN215428906U
Application number: CN202120416694.2U
Authority: CN
Inventors: 赵陆海波; 彭词; 唐志永
Original assignee: Shanghai Ruicheng Carbon Energy Technology Co ltd
Current assignee: Shanghai Ruicheng Carbon Energy Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-01-07
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to the technical field of fluid distributors, in particular to a fluid distributor for olefin polymerization reaction, which comprises a reaction kettle and a spray head arranged in the reaction kettle, wherein the spray head is used for spraying materials in the reaction kettle to carry out olefin polymerization reaction, a guide plate is arranged in an inner cavity of the spray head, and a pore plate is arranged below the guide plate in the inner cavity of the spray head; the outer surface of shower nozzle is fixed with the fluid distribution dish, the circumference of fluid distribution dish is provided with a plurality of breachs, just the wall of both sides of breach has arranged the gas distribution board of multiunit tilt up, the upper surface of fluid distribution dish is located adjacent two still be provided with the multiunit arch between the breach. According to the fluid distributor for olefin polymerization, olefin polymerization reaction materials pass through the spray head and the distribution disc, so that liquid phase materials can be divided into micro bubbles, the micro bubbles are uniformly distributed in the reaction kettle, the reaction efficiency and the material utilization rate are improved, and the use is convenient.

Description

Fluid distributor for olefin polymerization reaction

Technical Field

The utility model relates to the technical field of fluid distributors, in particular to a fluid distributor for olefin polymerization.

Background

In the field of energy and chemical industry, olefin is a basic and very important high-added-value chemical raw material, and many products such as synthetic fiber, synthetic rubber, synthetic plastic, high-grade lubricating oil, high-carbon alcohol, high-density jet fuel and the like are used as basic raw materials. Thus, the development level and market equilibrium of the olefin industry directly affects the development level and industrial scale of the entire chemical industry. In recent years, in order to alleviate the dependence on petroleum resources, domestic and foreign research mainly takes a non-petroleum route as a main point, namely, the olefin is directly or indirectly prepared by utilizing coal or natural gas resources.

At present, the existing olefin polymerization reactor generally adopts the mode of nozzle injection to input the material into the reactor, and the material is subjected to mixing reaction in the reactor, and the mode easily causes the liquid phase material in the material to enter the reaction kettle in a mode of large bubbles, so that the reaction is insufficient, the raw material utilization rate is low, and the use is inconvenient. In view of this, we propose an olefin polymerization reactor feed apparatus. In view of this, we propose a flow distributor for olefin polymerization.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flow distributor for olefin polymerization, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fluid distributor for olefin polymerization reaction comprises a reaction kettle and a spray head arranged in the reaction kettle, wherein the spray head is used for spraying materials in the reaction kettle to carry out olefin polymerization reaction, a guide plate is arranged in an inner cavity of the spray head, and a pore plate is arranged below the guide plate in the inner cavity of the spray head;

the outer surface of shower nozzle is fixed with the fluid distribution dish, the circumference of fluid distribution dish is provided with a plurality of breachs, just the wall of both sides of breach has arranged the gas distribution board of multiunit tilt up, the upper surface of fluid distribution dish is located adjacent two still be provided with the multiunit arch between the breach.

Preferably, the nozzle is connected with a feeding pipe, and one end of the feeding pipe extends out of the reaction kettle and is used for introducing olefin polymerization reaction materials into the reaction kettle;

and a discharge pipe communicated with the outside is arranged at the bottom of the reaction kettle and used for discharging materials after reaction.

Preferably, the guide plate is spirally arranged on the cavity wall of the inner cavity of the spray head.

Preferably, the through hole opening on the orifice plate is arranged in a large-end-up manner.

Preferably, the inclination angle of the gas distribution plates in the vertical direction is 30-70 degrees, and the distance between two adjacent gas distribution plates is not less than 2 cm.

Compared with the prior art, the utility model has the beneficial effects that: according to the fluid distributor for olefin polymerization, olefin polymerization reaction materials are uniformly dispersed in a reaction kettle through the spray head for mixing reaction, and the spray head can enable liquid phase materials to generate micro bubbles, so that the full reaction is facilitated; meanwhile, the ascending gas flow in the reaction process rises to the upper half space of the reaction kettle through the distribution disc, and the liquid-phase material is divided into micro bubbles again, so that the reaction efficiency and the utilization rate of the material are improved, and the use is convenient.

Drawings

FIG. 1 is a schematic view of the overall mounting structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the spray head and the distribution plate according to the present invention;

FIG. 3 is a sectional view showing the internal structure of the head of the present invention;

fig. 4 is a schematic structural view of a distribution plate according to the present invention.

In the figure: 1. a reaction kettle; 11. a discharge pipe; 2. a spray head; 21. a baffle; 22. an orifice plate; 23. a feed pipe; 3. a distribution tray; 31. a notch; 32. a gas distribution plate; 33. and (4) protruding.

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate. Further, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, a technical solution provided by the present invention is:

a fluid distributor for olefin polymerization reaction comprises a reaction kettle 1 and a spray head 2 arranged in the reaction kettle 1, wherein the spray head 2 is used for spraying materials in the reaction kettle 1 to carry out olefin polymerization reaction, a guide plate 21 is arranged in an inner cavity of the spray head 2, and the guide plate 21 is spirally arranged on the cavity wall of the inner cavity of the spray head 2; a pore plate 22 is arranged in the inner cavity of the spray head 2 below the guide plate 21, and the opening of a through hole in the pore plate 22 is arranged in a large-scale manner; the olefin polymerization reaction relates to liquid phase and gas phase materials, the materials can be better dispersed in the reaction kettle 1 for mixing reaction by spraying through the spray head 2, meanwhile, the liquid phase materials collide with the outer surfaces of the guide plate 21 and the pore plate 22 when entering the inner cavity of the spray head 2 to generate micro bubbles, the reaction is favorably carried out, and the through holes with large and small openings on the pore plate 22 accelerate the speed of the materials sprayed out of the bottom opening of the spray head 2, so that the materials are more uniformly dispersed;

the external fixed surface of shower nozzle 2 has fluid distribution dish 3, the circumference of fluid distribution dish 3 is provided with a plurality of breachs 31, and arranged the gas distribution board 32 of multiunit tilt up on the both sides wall of breach 31, the upper surface of fluid distribution dish 3 is located still to be provided with multiunit arch 33 between two adjacent breachs 31, two upper and lower spaces are cut apart into with reation kettle 1's inside to distribution dish 3, shower nozzle 2 sprays the export and is located the lower part space, be used for the first mixed reaction of material, the ascending gas stream of reaction in-process rises to the first space in breach 31, and the gas distribution board 32 in liquid phase material and the breach 31, and during the protruding 33 contact of distribution dish 3 upper surface, once more cut apart into tiny bubble, and the reaction efficiency is improved, and the utilization rate of material is improved.

In the embodiment, the nozzle 2 is connected with a feeding pipe 23, and one end of the feeding pipe 23 extends out of the reaction kettle 1 and is used for introducing olefin polymerization reaction materials into the reaction kettle 1; the bottom of the reaction kettle 1 is provided with a discharge pipe 11 communicated with the outside for discharging the reacted materials.

It is worth to be noted that the inclination angle of the gas distribution plates 32 in the vertical direction is 30-70 degrees, the distance between two adjacent gas distribution plates 32 is not less than 2cm, the gas distribution plates 32 are inclined upwards to facilitate the rising of the gas flow, and the gas flow is prevented from blocking the lower space of the reaction kettle 1.

When the fluid distributor for olefin polymerization reaction in the embodiment is used, the olefin polymerization reaction relates to liquid-phase and gas-phase materials, the reaction materials enter the spray head 2 through the feeding pipe 23 to realize a spraying effect, the materials can be better dispersed in the reaction kettle 1 for mixed reaction, meanwhile, the liquid-phase materials collide with the outer surfaces of the guide plate 21 and the pore plate 22 when entering the inner cavity of the spray head 2 to generate micro bubbles, which is beneficial to the reaction, and the through holes with large openings and small openings on the upper part and the lower part of the pore plate 22 accelerate the speed of the materials sprayed out of the bottom opening of the spray head 2 to ensure that the materials are more uniformly dispersed;

in addition, two spaces about the inside of distributor 3 with reation kettle 1 is cut apart into, shower nozzle 2 spray outlet is located the lower part space for the first mixed reaction of material, the gas flow that rises in the reaction process rises to the space of first one in breach 31, and the gas distribution board 32 in liquid phase material and the breach 31, and when the arch 33 of distributor 3 upper surface contacted, once more cut apart into tiny bubble, improve the utilization ratio of reaction efficiency and material, be convenient for popularize and promote.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fluid distributor for olefin polymerization, comprising a reaction vessel (1), and a spray head (2) disposed in the reaction vessel (1), characterized in that: the spray head (2) is used for spraying materials in the reaction kettle (1) to carry out olefin polymerization reaction, a guide plate (21) is arranged in an inner cavity of the spray head (2), and a pore plate (22) is arranged below the guide plate (21) in the inner cavity of the spray head (2);

the outer fixed surface of shower nozzle (2) has fluid distribution dish (3), the circumference of fluid distribution dish (3) is provided with a plurality of breachs (31), just arrange multiunit tilt up's gas distribution board (32) on the both sides wall of breach (31), the upper surface of fluid distribution dish (3) is located adjacent two still be provided with multiunit arch (33) between breach (31).

2. The olefin polymerization fluid distributor as set forth in claim 1, wherein: a feeding pipe (23) is connected to the spray head (2), and one end of the feeding pipe (23) extends out of the reaction kettle (1) and is used for introducing olefin polymerization reaction materials into the reaction kettle (1);

the bottom of the reaction kettle (1) is provided with a discharge pipe (11) communicated with the outside for discharging reacted materials.

3. The olefin polymerization fluid distributor as set forth in claim 1, wherein: the guide plate (21) is spirally arranged on the cavity wall of the inner cavity of the spray head (2).

4. The olefin polymerization fluid distributor as set forth in claim 1, wherein: the through hole opening on the pore plate (22) is arranged in a large-size manner.

5. The olefin polymerization fluid distributor as set forth in claim 1, wherein: the inclination angle of the air distribution plates (32) in the vertical direction is 30-70 degrees, and the distance between every two adjacent air distribution plates (32) is not less than 2 cm.