CN212549472U

CN212549472U - Double-tower reaction device for synthesizing chloropropyltriethoxysilane

Info

Publication number: CN212549472U
Application number: CN202020717457.5U
Authority: CN
Inventors: 孙立水; 张宝岗; 赵天姝; 张方方
Original assignee: Rizhao Lanxing Chemical Industry Co ltd
Current assignee: Rizhao Lanxing Chemical Industry Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-19
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a two tower reaction unit for synthesizing chloropropyl triethoxysilane, including main tower and auxiliary tower, the main tower passes through conveyer pipe and auxiliary tower intercommunication, main tower upper end fixed mounting has nitrogen gas feeding seat, fixed mounting has the main tower feeding seat that two symmetries set up on the lateral wall of main tower, fixed mounting has catalyst feeding seat on the lateral wall of main tower, the upper end fixed mounting of auxiliary tower has steam discharging seat, fixed mounting has auxiliary tower feeding seat on the lateral wall of auxiliary tower, the lower extreme fixed mounting of auxiliary tower has the seat of unloading, and installs the valve on the seat of unloading, main tower lower extreme fixed mounting has the motor. Has the advantages that: the utility model discloses can accomplish mixture and fractionation operation in the chloropropyl triethoxysilane synthesis reaction in succession, need not to shift reaction solution, shorten operating time, improve work efficiency, and reduce manufacturing cost to a certain extent.

Description

Double-tower reaction device for synthesizing chloropropyltriethoxysilane

Technical Field

The utility model relates to a chloropropyl triethoxysilane synthesis technical field especially relates to a two tower reaction unit for synthesizing chloropropyl triethoxysilane.

Background

Chloropropyltriethoxysilane is a chemical product prepared from trichlorosilane and chloropropene, is a colorless or light yellow transparent liquid which is easy to dissolve in water, and is mainly used for preparing various silane coupling agents, rubber processing aids or synthesizing organosilicon compounds containing quaternary ammonium salt cations and the like.

The synthesis of chloropropyltriethoxysilane needs to be carried out by the steps of mixing, addition, fractionation, esterification and the like, so that substances generated in each step need to be transferred, corresponding containers need to be used for operation during the transfer, certain time is needed, the working efficiency is reduced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a double-tower reaction device for synthesizing chloropropyl triethoxysilane.

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

the utility model provides a two tower reaction unit for synthetic chloropropyl triethoxysilane, includes main tower and auxiliary tower, the main tower passes through conveyer pipe and auxiliary tower intercommunication, main tower upper end fixed mounting has nitrogen gas feeding seat, fixed mounting has the main tower feeding seat that two symmetries set up on the lateral wall of main tower, fixed mounting has catalyst feeding seat on the lateral wall of main tower, the upper end fixed mounting of auxiliary tower has steam discharge seat, fixed mounting has auxiliary tower feeding seat on the lateral wall of auxiliary tower, the lower extreme fixed mounting of auxiliary tower has the discharge seat, and installs the valve on the discharge seat, main tower lower extreme fixed mounting has the motor, and the output fixedly connected with bull stick of motor, a plurality of stirring leaves are evenly installed to the one end that the bull stick extends to in the main tower, equal fixed mounting has the electric heat net in main tower and the auxiliary tower.

In the above-mentioned double-tower reaction device for synthesizing chloropropyltriethoxysilane, a material collecting plate is fixedly installed in the main tower, and a material collecting chamber is fixedly installed on the material collecting plate.

In foretell a two tower reaction unit for synthesizing chloropropyltriethoxysilane, the upper end fixed mounting of bull stick has the roller that rolls, the indoor fixed mounting that gathers materials has the ring that rolls with roll matched with roll.

In the above double-tower reaction device for synthesizing chloropropyltriethoxysilane, the lower ends of the main tower and the auxiliary tower are both fixedly provided with a plurality of support rods, and the lower end of each support rod is fixedly provided with a rubber pad.

In the above-mentioned double-tower reaction device for synthesizing chloropropyltriethoxysilane, temperature sensors are fixedly mounted on the side walls of the main tower and the auxiliary tower, and the two temperature sensors are respectively electrically connected with the corresponding electric heating networks.

In the above double-tower reaction device for synthesizing chloropropyltriethoxysilane, the main tower, the auxiliary tower and the rotating rod are all made of high-temperature-resistant insulating materials.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the matching of the main tower and the conveying pipe, the mixed solution of trichlorosilane and chloropropene can be directly input into the auxiliary tower for fractionation without using a designated container to transfer the mixed solution, so that the working time is shortened, the working efficiency is improved, and the production cost is reduced to a certain extent.

2: through the cooperation of collection flitch and collection room, can make the raw materials of trichlorosilane and chloropropene carry out preliminary mixing before falling into main tower lower extreme, improved the mixed effect of the two to a certain extent, and can inject its whereabouts position, avoid leading to the raw materials ratio to appear the problem that the deviation leads to product quality to appear the flaw because of it is stained with and attaches at main tower inner wall.

3: through the matching of the rolling roller and the rolling ring, raw materials of trichlorosilane and chloropropene can be rolled, so that the raw materials fall into the lower end of the main tower in a specified size for reaction, the mixing rate of the trichlorosilane and the chloropropene is improved, and the working efficiency of synthesis operation can be improved to a certain extent.

To sum up, the utility model discloses can accomplish the mixture and the fractionation operation in the chloropropyl triethoxysilane synthesis reaction in succession, need not to shift reaction solution, shorten operating time, improve work efficiency, and reduce manufacturing cost to a certain extent.

Drawings

FIG. 1 is a schematic structural diagram of a double-tower reaction apparatus for synthesizing chloropropyltriethoxysilane according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a main tower 1, a main tower 2 feeding seat, a nitrogen feeding seat 3, a catalyst feeding seat 4, an electric heating net 5, an auxiliary tower 6, an auxiliary tower 7, a steam discharging seat 8, a discharging seat 9, a valve 10, a conveying pipe 11, a rotating rod 12, a stirring blade 13, a material collecting plate 14, a material collecting chamber 15, a rolling roller 16, a rolling ring 17 and a motor 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

Referring to fig. 1-2, a double-tower reaction device for synthesizing chloropropyltriethoxysilane comprises a main tower 1 and an auxiliary tower 6, wherein the main tower 1 is communicated with the auxiliary tower 6 through a conveying pipe 11, and mixed trichlorosilane and chloropropene solution can be input into the auxiliary tower 6 to be directly fractionated, so that the operation time is reduced, and the working efficiency is improved.

Main 1 upper end fixed mounting of tower has nitrogen gas feed seat 3, fixed mounting has two main tower feed seat 2 that the symmetry set up on the lateral wall of main tower 1, fixed mounting has catalyst feed seat 4 on the lateral wall of main tower 1, the upper end fixed mounting of auxiliary tower 6 has steam exhaust seat 8, fixed mounting has auxiliary tower feed seat 7 on the lateral wall of auxiliary tower 6, the lower extreme fixed mounting of auxiliary tower 6 has ejection of compact seat 9, and install valve 10 on the ejection of compact seat 9, can collect the product after the fractionation, valve 10 can control the switch of ejection of compact seat 9.

The lower extreme fixed mounting of main tower 1 has motor 18 (worth mentioning, motor 18 is current product, and its theory of operation and concrete structure do not do specifically expounded here), and motor 18's output end fixedly connected with bull stick 12, and a plurality of stirring leaves 13 are evenly installed to the one end that bull stick 12 extends to in the main tower 1, and motor 18 during operation accessible bull stick 12 drives a plurality of stirring leaves 13 and rotates simultaneously to it is more abundant to make trichlorosilane and chloropropene mix.

Equal fixed mounting has electric heat net 5 in main tower 1 and the auxiliary tower 6, can control the reaction temperature in main tower 1 and the auxiliary tower 6 respectively, equal fixed mounting has temperature sensor (temperature sensor is the same with "temperature sensor" that uses in the patent document with patent number CN 209804780U) on the lateral wall of main tower 1 and auxiliary tower 6, and two temperature sensor respectively with the electric heat net 5 electric connection that corresponds, temperature sensor's design can be monitored main tower 1 and auxiliary tower 6's reaction temperature, avoid leading to the problem of synthetic failure because of the temperature is great with the design temperature deviation.

The main tower 1 is internally and fixedly provided with the material collecting plate 14, the material collecting chamber 15 is fixedly arranged on the material collecting plate 14, trichlorosilane and chloropropene powder can be preliminarily mixed before falling into the lower end of the main tower 1 for mixing, and the problem of incomplete reaction caused by the fact that the trichlorosilane and chloropropene powder are attached to the inner wall of the main tower 1 can be solved.

The upper end of the rotating rod 12 is fixedly provided with a rolling roller 16, a rolling ring 17 matched with the rolling roller 16 is fixedly arranged in the material collecting chamber 15, and the trichlorosilane and the chloropropene can be crushed to enable the trichlorosilane and the chloropropene to fall into the lower end of the main tower 1 in specified sizes for reaction, so that the mixing rate of the trichlorosilane and the chloropropene is improved.

The lower ends of the main tower 1 and the auxiliary tower 6 are fixedly provided with a plurality of supporting rods, and the lower end of each supporting rod is fixedly provided with a rubber pad, so that the stability of the main tower 1 and the auxiliary tower 6 during placement can be ensured.

The main tower 1, the auxiliary tower 6 and the rotating rod 12 are all made of high-temperature-resistant insulating materials (the high-temperature-resistant insulating materials can be thermoplastic polyimide), so that the problem that the device is damaged due to high reaction temperature can be avoided.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two tower reaction unit for synthesizing chloropropyl triethoxysilane, includes main tower (1) and auxiliary tower (6), its characterized in that, main tower (1) is through conveyer pipe (11) and auxiliary tower (6) intercommunication, main tower (1) upper end fixed mounting has nitrogen gas feed seat (3), fixed mounting has main tower feed seat (2) that two symmetries set up on the lateral wall of main tower (1), fixed mounting has catalyst feed seat (4) on the lateral wall of main tower (1), the upper end fixed mounting of auxiliary tower (6) has steam exhaust seat (8), fixed mounting has auxiliary tower feed seat (7) on the lateral wall of auxiliary tower (6), the lower extreme fixed mounting of auxiliary tower (6) has ejection of compact seat (9), and installs valve (10) on ejection of compact seat (9), main tower (1) lower extreme fixed mounting has motor (18), and the output fixedly connected with bull stick (12) of motor (18), a plurality of stirring leaves (13) are evenly installed to the one end that bull stick (12) extended to in main tower (1), equal fixed mounting has electric heat net (5) in main tower (1) and auxiliary tower (6).

2. The double-tower reaction device for synthesizing chloropropyltriethoxysilane according to claim 1, wherein a material collecting plate (14) is fixedly installed in the main tower (1), and a material collecting chamber (15) is fixedly installed on the material collecting plate (14).

3. The double-tower reaction device for synthesizing chloropropyltriethoxysilane according to claim 2, wherein a rolling roller (16) is fixedly installed at the upper end of the rotating rod (12), and a rolling ring (17) matched with the rolling roller (16) is fixedly installed in the material collecting chamber (15).

4. The double-tower reaction device for synthesizing chloropropyltriethoxysilane according to claim 1, wherein a plurality of support rods are fixedly mounted at the lower ends of the main tower (1) and the auxiliary tower (6), and a rubber pad is fixedly mounted at the lower end of each support rod.

5. The double-tower reaction device for synthesizing chloropropyltriethoxysilane according to claim 1, wherein temperature sensors are fixedly mounted on the side walls of the main tower (1) and the auxiliary tower (6), and the two temperature sensors are respectively electrically connected with the corresponding electric heating grids (5).

6. The double-tower reaction device for synthesizing chloropropyltriethoxysilane according to claim 1, wherein the main tower (1), the auxiliary tower (6) and the rotating rod (12) are all made of high temperature resistant insulating materials.