Novel methyl acrylate feeding distributor
By designing a novel feed distributor with main and branch pipe structures, the problems of methyl acrylate polymerization and gas-liquid phase flow deviation in the methyl acrylate refining tower were solved, achieving uniform fluid distribution and heat transfer uniformity.
Patent Information
- Application Number
- CN202520127596.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The feed distributor of the existing methyl acrylate refining tower causes methyl acrylate polymerization and gas-liquid phase flow deviation, as well as uneven heat transfer.
A novel feed distributor consisting of a main pipe and branch pipes was designed. By gradually increasing the feed end of the main pipe, distributing the branch pipes at equal intervals, and using a through-hole design, combined with flange connections, the fluid impact is reduced and the flow velocity uniformity is improved, ensuring uniform distribution of the gas and liquid phases.
It achieves uniform distribution of gas and liquid phases, reduces methyl acrylate polymerization, lowers pipe vibration and local heat release, and improves heat transfer uniformity.
Smart Images
Figure CN223846261U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a chemical equipment technical field, concretely is a methyl acrylate novel feed distributor. BACKGROUND
[0002] The present methyl acrylate rectification tower adopts hot material feeding, and the feeding temperature is 75 DEG C, the feeding pressure is 195mmHg, the feeding distributor is groove distributor, and the overflow port is larger, which leads to larger methyl acrylate flash evaporation, and the evaporated gas is liquefied on the tray, and the liquefaction releases heat and is accompanied by vapor-liquid exchange, which easily causes methyl acrylate polymerization, and the ascending gas flow and descending liquid are unevenly distributed on the tray, leading to larger flow deviation of gas phase and liquid phase. SUMMARY
[0003] In view of the defects of the prior art, the utility model provides a methyl acrylate novel feed distributor, which solves the technical problems that the existing feed distributor easily causes methyl acrylate polymerization and has larger flow deviation of gas phase and liquid phase.
[0004] To solve the above technical problems, the utility model provides the following technical scheme: a methyl acrylate novel feed distributor, which comprises a main pipeline, a plurality of equidistantly distributed branch pipelines are connected to the outer wall of the main pipeline on both sides, the plurality of branch pipelines on one side of the main pipeline are installed on a support frame, the support frame is fixedly connected to a fixed plate, both ends of the fixed plate are fixedly provided with side plates, the side plates are installed on a base, and a fixed frame is fixedly arranged on one side of the main pipeline away from a feeding end.
[0005] Preferably, the diameter of the main pipeline feeding end gradually increases from small to large.
[0006] Preferably, the main pipeline and the branch pipeline are connected through flanges.
[0007] Preferably, the support frame is provided with a U-shaped groove matched with the outer wall of the branch pipeline.
[0008] Preferably, the branch pipeline is distributed in a stepped shape along the middle of the main pipeline to both sides.
[0009] Preferably, the surface of the branch pipeline is provided with a plurality of equidistantly distributed through holes.
[0010] Through the above technical scheme, the utility model provides a methyl acrylate novel feed distributor, which at least has the following beneficial effects:
[0011] 1. The novel methyl acrylate feed distributor, the main pipe reduces the fluid velocity through the pipe opening amplification effect to slow down the fluid impact on the pipe, and the branch pipe reduces the flow rate by increasing the number of openings, so that the fluid flow rate is uniform, the impact is slowed down, the overall vibration of the pipe is reduced, the flash gas phase distribution at the feed inlet is uniform, the gas phase and the liquid phase will not have flow deviation, and the rising gas and the descending liquid can better exchange the gas-liquid, the heat is uniformly transmitted, and local heat release does not occur, reducing the polymerization of methyl acrylate.
[0012] 2. The novel methyl acrylate feed distributor connects the main pipe and the branch pipe through the flange plate, so that the whole is easy to assemble, and the disassembly and maintenance are also simpler. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings described herein are used to provide further understanding of the present application and form part of the present application:
[0014] Fig. 1 It is a partial structure schematic view of the whole top view of the present application;
[0015] Fig. 2 It is a structure schematic view of the whole side view of the present application;
[0016] Reference signs:
[0017] 1. Main pipe; 2. Branch pipe; 201. Through hole; 3. Fixed frame; 4. Support frame; 401. U-shaped groove; 5. Fixed plate; 6. Side plate; 7. Base; 8. Flange plate. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0019] Methyl acrylate is an organic compound, colorless transparent liquid, boiling point 80℃, commonly used as an intermediate and crosslinking agent for chemical synthesis. Methyl acrylate can react with other monomers in the polymerization reaction to generate polymers, such as polyacrylate, which are widely used in the fields of coatings, adhesives, fibers and plastics.
[0020] Based on the technical defects of the prior art that methyl acrylate is easy to polymerize and the gas phase and the liquid phase have a large flow deviation, please refer to Figs. 1-2The utility model provides a novel methyl acrylate feeding distributor, can reduce flow velocity, make fluid flow velocity even, slow down impact, reduce the integral vibration of pipe fitting, make the flash gas phase distribution even at the feeding port, let gas phase and liquid phase not have the occurrence of partial flow, and the ascending gas and descending liquid can better have vapor liquid exchange, heat transfer is even, does not have the occurrence of local heat release, reduces the occurrence of methyl acrylate polymerization, the feeding distributor includes main pipeline 1, the both sides of main pipeline 1 outer wall are connected with a plurality of equidistance distribution branch pipeline 2, a plurality of branch pipeline 2 in main pipeline 1 one side are installed on support frame 4, support frame 4 is fixedly connected on fixed plate 5, both ends of fixed plate 5 are fixedly provided with side plate 6, side plate 6 is installed on base 7, and fixed frame 3 is fixedly arranged on the side of main pipeline 1 away from the feeding end, material enters main pipeline 1, and sequentially enters a plurality of branch pipeline 2 along main pipeline 1, then is discharged from the through hole 201 on branch pipeline 2.
[0021] In order to slow down the material feeding flow rate, the diameter of the feeding end of the main pipeline 1 gradually increases from small to large; due to the change of the inner diameter of the main pipeline 1, the pipe opening amplification effect is used to reduce the fluid velocity, so as to reduce the impact of the fluid on the pipeline.
[0022] In order to facilitate the installation and maintenance of the whole, the main pipeline 1 and the branch pipeline 2 are connected through the flange plate 8; under the action of the flange plate 8, the whole is easy to assemble, and the disassembly and maintenance are also simple.
[0023] In order to improve the supporting effect of the branch pipeline 2, the U-shaped groove 401 is arranged on the support frame 4 and is attached to the outer wall of the branch pipeline 2; the U-shaped groove 401 can form clamping and limiting effect on the branch pipeline 2, so as to prevent the displacement of the branch pipeline 2.
[0024] In order to ensure that the branch pipeline 2 can be evenly installed into the refining tower, the branch pipeline 2 is distributed in a stepped shape along the middle of the main pipeline 1 to the two sides; in this way, after the branch pipeline 2 is installed, it will not contact the tower body, and it can be ensured that each branch pipeline 2 is evenly distributed.
[0025] In order to discharge the material, a plurality of equidistantly distributed through holes 201 are arranged on the surface of the branch pipeline 2.
[0026] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A novel feed distributor for methyl acrylate comprising a main pipe (1) characterized in that: Both sides of the outer wall of the main pipeline (1) are connected with multiple equidistantly distributed branch pipelines (2), multiple branch pipelines (2) on one side of the main pipeline (1) are installed on the support frame (4), the support frame (4) is fixedly connected with the fixed plate (5), both ends of the fixed plate (5) are fixedly provided with the side plate (6), the side plate (6) is installed on the base (7), and the side, away from the feeding end, of the main pipeline (1) is fixedly provided with the fixing frame (3).
2. The novel methyl acrylate feed distributor according to claim 1, characterized in that: The diameter of the feeding end of the main pipeline (1) gradually increases from small to large.
3. The new methyl acrylate feed distributor according to claim 1, characterized in that: The main pipeline (1) and the branch pipeline (2) are connected through the flange plate (8).
4. The new methyl acrylate feed distributor according to claim 1, characterized in that: The support frame (4) is provided with a U-shaped groove (401) abutting the outer wall of the branch pipeline (2).
5. The new methyl acrylate feed distributor according to claim 1, characterized in that: The branch pipeline (2) is distributed in a stepped shape along the middle of the main pipeline (1) to both sides.
6. The new methyl acrylate feed distributor according to claim 1, characterized in that: The surface of the branch pipeline (2) is provided with multiple rows of equidistantly distributed through holes (201).