Fractionating tower for synthesis and purification of phenyl alkyl sulfonate

Abstract

The utility model relates to the technical field of fractionating towers, and discloses a fractionating tower for synthesizing and purifying phenyl alkyl sulfonate, which comprises a fractionating tower body, the top of the fractionating tower body is fixedly connected with an exhaust pipe, the outer wall of the fractionating tower body is fixedly connected with a discharge pipe, and the bottom of the fractionating tower body is provided with a motor. The fractionating tower body is internally provided with a cleaning assembly, the cleaning assembly is used for cleaning oxide scales adhered to the inner wall of the fractionating tower body, one side of the outer wall of the fractionating tower body is provided with a filtering assembly, and the filtering assembly is used for filtering impurities in alkyl phenyl sulfonate raw materials. According to the utility model, the scraper moves through the operation of the motor, so that oxides adhered to the inner wall of the fractionating tower body are scraped, the normal operation of the fractionating tower is prevented from being influenced and the service life of the fractionating tower is shortened due to scaling formed by excessive accumulation of the oxides, and meanwhile, materials can be stirred, the materials are promoted to be uniformly mixed, and the heat transfer efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fractionating column, especially relates to a fractionating column for alkyl sulfonate benzene ester synthesis purification. BACKGROUND

[0002] Alkyl sulfonate benzene ester is a kind of compound formed by alkyl (such as methyl, ethyl, etc.) and benzene ring connection, and by sulfonic acid group, they are widely used in washing, cosmetics and industrial cleaning as surfactant, cleaning agent and emulsifier, alkyl sulfonate benzene ester has good water solubility and emulsifying property, can effectively remove oil stains and dirt, due to the hydrophilic and lipophilic properties of its molecular structure, they play an important role in reducing the surface tension on the interface of water and oil, so in detergent.

[0003] Alkyl sulfonate benzene ester is produced, because the purity of the product produced initially is lower, therefore needs to carry out purification fractionation, in this process needs to use fractionating column, first alkyl sulfonate benzene ester solution is delivered to fractionating column, and it is heated to its boiling point, fractionation is carried out using the volatility difference of different components, and the collected alkyl sulfonate benzene ester vapor is cooled and condensed, to realize the operation of purification fractionation.

[0004] However, in the process of using fractionating column to fractionate alkyl sulfonate benzene ester, alkyl sulfonate benzene ester will react with oxygen in the air to generate some oxides, which will adhere to the tray and the wall of the column, form scale, cause the heat transfer efficiency to be poor, increase the energy consumption of fractionation process, and too much scale accumulation will also shorten the service life of the fractionating column, for this reason, the person skilled in the art proposes a fractionating column for alkyl sulfonate benzene ester synthesis purification to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a fractionating column for alkyl sulfonate benzene ester synthesis purification, to improve the problem that the oxides generated in the process of fractionating alkyl sulfonate benzene ester in the prior art will adhere to the tray and the wall of the column, form scale, cause the heat transfer efficiency to be poor, and shorten the service life of equipment.

[0006] To achieve the above object, the utility model provides the following technical scheme: a fractionating column for alkyl sulfonate benzene ester synthesis purification, including fractionating column body, the top of fractionating column body is fixedly connected with exhaust pipe, the outer wall of fractionating column body is fixedly connected with discharge pipe, the bottom of fractionating column body is installed with motor, the inside of fractionating column body is provided with cleaning assembly, the cleaning assembly is used for cleaning the oxide scale adhered to the inner wall of fractionating column body, the outer wall one side of fractionating column body is provided with filter assembly, the filter assembly is used for filtering the impurities in alkyl sulfonate benzene ester raw material;

[0007] The cleaning assembly comprises a rotating rod rotatably connected to the inner bottom of the fractionating tower body, the bottom end of the rotating rod is fixedly connected with the output end of the motor, the outer portion of the rotating rod is fixedly connected with a plurality of sleeve rods, the inner portion of the sleeve rod is fixedly connected with a spring one, one end of the spring one is fixedly connected with a limiting block, the outer portion of the limiting block is fixedly connected with a connecting rod, and the same side two connecting rods are fixedly connected with scrapers at one end penetrating through the outer wall of the sleeve rod.

[0008] Further, the filtering assembly comprises a filtering box fixedly connected to one side of the outer portion of the fractionating tower body and connected with the fractionating tower body through a connecting pipe, and a filter screen is installed in the inner portion of the filtering box.

[0009] Further, a limiting groove is formed in the inner portion of the filtering box, a moving block is slidably connected in the limiting groove, the moving block is fixedly connected with a clamping block on one side, clamping grooves are formed on both sides of the filter screen, and the clamping block and the clamping grooves are clamped together.

[0010] Further, a pull rod is fixedly connected to the other side of the moving block, and a spring two is sleeved on the outer portion of the pull rod.

[0011] Further, one end of the spring two is fixedly connected to the outer wall of the moving block, and the other end of the spring two is fixedly connected to the inner wall of the limiting groove.

[0012] Further, an inlet pipe is fixedly connected to the outer portion of the filtering box, and valves are installed on the outer portions of the inlet pipe and the outlet pipe.

[0013] Further, a plurality of separation pipes are fixedly connected to the side of the outer portion of the fractionating tower body away from the filtering box, and support legs are fixedly connected to the bottom of the fractionating tower body.

[0014] Further, the limiting block is slidably connected in the inner portion of the sleeve rod, and the scraper is attached to the inner wall of the fractionating tower body.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1、In the utility model, the rotating rod is driven to rotate by the motor, the sleeve rod drives the scraper to move, thereby scraping off the oxide adhered to the inner wall of the fractionating tower body, preventing the oxide from accumulating too much to form scale and thereby affecting the normal operation of the fractionating tower and reducing the service life of the distillation tower, the stirring blades on the rotating rod rotate to stir the materials in the fractionating tower body, which can promote the uniform mixing of the materials and improve the heat transfer efficiency and prevent the materials from depositing and coking.

[0017] 2、 The utility model discloses, through the filter screen installed in the filter box, can filter the impurity in raw material, prevent these impurities from the subsequent into the fractionating column body after, in the tower plate, pipeline and valve etc. Part accumulation and cause the blockage of, ensure the normal operation of fractionating column, improve the fractionating efficiency and product quality, simultaneously through pulling the pull rod makes the clamping block separate the card slot, and then realizes the quick dismantling and installation of fast, is convenient for the cleaning or replacement of filter screen, prevents the impurity accumulation too much and influences the filtering effect of filter screen, improves the efficiency of maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective view of a fractionating column for synthesizing and purifying alkyl phenyl sulfonate is provided for the utility model;

[0019] Figure 2 A rotating rod structure schematic view of a fractionating column for synthesizing and purifying alkyl phenyl sulfonate is provided for the utility model;

[0020] Figure 3 A sleeve rod structure schematic view of a fractionating column for synthesizing and purifying alkyl phenyl sulfonate is provided for the utility model;

[0021] Figure 4 A filter box structure schematic view of a fractionating column for synthesizing and purifying alkyl phenyl sulfonate is provided for the utility model;

[0022] Figure 5 A Figure 4 Enlarged view of A in the middle;

[0023] Figure 6 A filter screen structure schematic view of a fractionating column for synthesizing and purifying alkyl phenyl sulfonate is provided for the utility model.

[0024] Legend:

[0025] 1, fractionating column body;2, filter box;3, exhaust pipe;4, separation pipe;5, discharge pipe;6, motor;7, rotating rod;8, sleeve rod;9, spring one;10, limit block;11, connecting rod;12, scraper;13, stirring blade;14, limit slot;15, spring two;16, moving block;17, filter screen;18, clamping block;19, pull rod;20, card slot;21, feed pipe. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Referring to Figure 1 - Figure 3 The utility model provides an embodiment: a kind of fractionating column for alkyl phenyl sulfonate synthesis purification, including fractionating column body 1, it is the core container of entire fractionation process, provide space and suitable environmental conditions for the fractionation of alkyl phenyl sulfonate, the top of fractionating column body 1 is fixedly connected with exhaust pipe 3, ensure that the pure alkyl phenyl sulfonate gas generated during fractionation can be discharged in time, and be transported to condensing mechanism, realize the operation of fractionation purification, the outer wall of fractionating column body 1 is fixedly connected with discharge pipe 5, it is convenient to draw out the product after fractionation from fractionating column body 1, subsequent processing and storage are carried out, motor 6 is installed at the bottom of fractionating column body 1, cleaning assembly is arranged in the inside of fractionating column body 1, and cleaning assembly is used to clean the oxide scale adhered to the inner wall of fractionating column body 1, filter assembly is arranged on the side of the outer wall of fractionating column body 1, and filter assembly is used to filter the impurities in alkyl phenyl sulfonate raw material, a plurality of separation tubes 4 are fixedly connected to the side of the outer wall of fractionating column body 1 away from filter box 2, for separating different component products, support leg is fixedly connected to the bottom of fractionating column body 1, can keep the stability when fractionating column body 1 operates;

[0028] Cleaning assembly includes rotary rod 7, rotary rod 7 is rotatably connected at the inner bottom of fractionating column body 1, the bottom end of rotary rod 7 is fixedly connected with the output end of motor 6, and motor 6 can drive rotary rod 7 to rotate as driving source when operating, and rotary rod 7 is the core component of cleaning assembly, and the power of motor 6 is transmitted, a plurality of sleeve rods 8 are fixedly connected to the outside of rotary rod 7, spring one 9 is fixedly connected in the inside of sleeve rod 8, one end of spring one 9 is fixedly connected with limit block 10, limit block 10 is fixedly connected with connecting rod 11 outside, and one end of two connecting rods 11 on the same side is fixedly connected with scraper 12 and penetrates the outer wall of sleeve rod 8, spring one 9 can make connecting rod 11 and scraper 12 always tightly fit with the inner wall of fractionating column body 1, a plurality of stirring blades 13 are fixedly connected to the outside of rotary rod 7, limit block 10 is slidingly connected in the inside of sleeve rod 8, scraper 12 is fitted with the inner wall of fractionating column body 1, and scraper 12 rotates under the driving of rotary rod 7, and oxide scale adhered to the inner wall is scraped.

[0029] Specifically, the filtered alkyl sulfonate phenyl ester raw material will enter the inside of the fractionating tower body 1 through the connecting pipe to start the fractionation operation, and in the fractionation process, the rotating rod 7 can be driven to rotate by the motor 6, so that the rotating rod 7 drives the sleeve rod 8 to rotate, when the sleeve rod 8 rotates, the scraper 12 moves through the connecting rod 11, at the same time, the spring 9 pushes the limiting block 10 to move, so that the scraper 12 can always adhere to the inner wall of the fractionating tower body 1 when moving, so that the scraper 12 can scrape off the oxide adhered to the inner wall of the fractionating tower body 1 generated during heating of the alkyl sulfonate phenyl ester, to avoid the oxide from accumulating too much to form scale, thereby affecting the normal operation of the fractionating tower and reducing the service life of the distillation tower. In addition, the stirring blades 13 on the rotating rod 7 will also rotate, stirring the materials in the fractionating tower body 1, the stirring action of the stirring blades 13 can promote the uniform mixing of the materials, improve the heat transfer efficiency, prevent the materials from depositing and coking, and also help to adjust the tower bottom liquid level, enhance the adaptability of the system, make the fractionation process more efficient and stable, the products after fractionation can be discharged from the fractionating tower body 1 through the discharge pipe 5 for subsequent processing and storage, the valve installed outside the discharge pipe 5 can control the speed and flow of the discharge, convenient for operation and management, and the gas generated in the fractionation process can be discharged through the exhaust pipe 3 at the top of the fractionating tower body 1, and multiple separation pipes 4 can according to the physical properties of different components, respectively guide the products after fractionation, to realize efficient separation effect.

[0030] Reference Figure 4 - Figure 6The filtering assembly comprises a filtering box 2 fixedly connected to the outside of the fractionating tower body 1 and connected to the fractionating tower body 1 through a connecting pipe. The filtering box 2 serves as a container for filtering operation, ensures that the raw material can be effectively filtered before entering the fractionating tower body 1, removes impurities, prevents the impurities from blocking the tower tray, pipeline, valve and other parts inside the fractionating tower, ensures the normal operation of the fractionating tower, and reduces the influence of the impurities on the fractionation process and improves the fractionation efficiency and product quality. The filtering box 2 is internally provided with a limiting groove 14, a moving block 16 is slidably connected to the inside of the limiting groove 14, a clamping block 18 is fixedly connected to one side of the moving block 16, clamping grooves 20 are formed on both sides of the filter screen 17, the clamping block 18 and the clamping grooves 20 are clamped together to fix the filter screen 17, displacement or falling of the filter screen 17 during the filtering process is avoided, the stability of the filtering effect is ensured, the other side of the moving block 16 is fixedly connected to a pull rod 19, a spring 2 15 is sleeved outside the pull rod 19, one end of the spring 2 15 is fixedly connected to the outer wall of the moving block 16, the other end of the spring 2 15 is fixedly connected to the inner wall of the limiting groove 14, the spring 2 15 provides elastic restoring force for the moving block 16, the clamping block 18 and the clamping grooves 20 are clamped together again, the installation of the filter screen 17 is ensured to be firm, and the filtering box 2 is fixedly connected to the outside of the feeding pipe 21. Valves are installed outside the feeding pipe 21 and the discharging pipe 5 to control the speed and flow of the feeding, and operation and management are facilitated.

[0031] Specifically, when the alkyl phenyl sulfonate is fractionated, the raw material is first conveyed to the filtering box 2 through the feeding pipe 21. In this process, the raw material passes through the filter screen 17 installed inside the filtering box 2, and the impurities in the raw material are filtered out, preventing the impurities from accumulating in the tower tray, pipeline, valve and other parts after entering the fractionating tower body 1 in the subsequent process, causing blockage. The reduction of impurities can ensure the normal operation of the fractionating tower, improve the fractionation efficiency and product quality. If it is necessary to clean or replace the filter screen 17, the pull rod 19 on both sides of the filtering box 2 can be pulled. When the pull rod 19 is pulled, the moving block 16 slides in the limiting groove 14. The sliding of the moving block 16 exerts pressure on the spring 2 15, causing it to contract. At the same time, the moving block 16 drives the clamping block 18 to disengage from the clamping grooves 20 on both sides of the filter screen 17. At this time, the filter screen 17 can be taken out of the inside of the filtering box 2, achieving quick disassembly, facilitating cleaning or replacement of the filter screen 17, and preventing excessive accumulation of impurities from affecting the filtering effect of the filter screen 17.

[0032] Working principle: in the fractionation of alkyl sulfonate phenyl ester, first through the feed pipe 21 the need to fractionation of raw materials for transportation, raw materials will be through the filter box 2 and be filtered by filter screen 17, and then filter out the impurities in the raw material, impurities in the fractionation tower accumulation, cause the tower plate, pipeline and valve and other parts of the blockage, at the same time can be pulled by pulling rod 19 both sides of the filter box 2, so that the pulling rod 19 driven moving block 16 in the limit groove 14 inside sliding, and then through the moving block 16 on the spring two 15 pressure makes it shrink, at the same time drive the clamping block 18 from the card slot 20, at this moment can the filter screen 17 from the inside of the filter box 2 is taken out, realize the quick disassembly, facilitate the cleaning or replacement of filter screen 17, prevent the impurities accumulate too much cause blockage, and then affect the filtering effect of filter screen 17, the subsequent completion of the filtered raw materials will enter the inside of the fractionation tower body 1, start to carry on the operation of fractionation, at this moment can start the motor 6, under the operation of motor 6 will drive the rotating rod 7 rotation, and then make the rotating rod 7 drive sleeve rod 8 rotation, through the sleeve rod 8 drive connecting rod 11 rotation, make the scraper 12 move, and the spring one 9 will push the limit block 10 moves, make the scraper 12 move and the inner wall of the fractionation tower body 1 closely, and then scrape off the oxide adhered to the inner wall of the alkyl sulfonate phenyl ester when heating, avoid the oxide accumulation too much form scale, affect the normal operation of the fractionation tower, reduce the service life of the distillation column.

[0033] Finally, it should be noted that: the above described only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A fractionating column for synthesizing and purifying phenyl alkyl sulfonate, comprising a fractionating column body (1), characterized in that: The top of the fractionating tower body (1) is fixedly connected with an exhaust pipe (3), the outer wall of the fractionating tower body (1) is fixedly connected with a discharge pipe (5), the bottom of the fractionating tower body (1) is provided with a motor (6), the inside of the fractionating tower body (1) is provided with a cleaning assembly for cleaning the oxide scale adhered to the inner wall of the fractionating tower body (1), and the outer wall of the fractionating tower body (1) is provided with a filtering assembly on one side. The cleaning assembly comprises a rotating rod (7) which is rotatably connected to the inner bottom of the fractionating tower body (1), the bottom end of the rotating rod (7) is fixedly connected with the output end of the motor (6), the outside of the rotating rod (7) is fixedly connected with a plurality of sleeve rods (8), the inside of the sleeve rod (8) is fixedly connected with a spring (9), one end of the spring (9) is fixedly connected with a limiting block (10), the outside of the limiting block (10) is fixedly connected with a connecting rod (11), and the same side two ends of the connecting rod (11) are fixedly connected with a scraper (12) penetrating through the outer wall of the sleeve rod (8), and the outside of the rotating rod (7) is fixedly connected with a plurality of stirring blades (13).

2. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 1, characterized in that: The filtering assembly comprises a filter box (2) which is fixedly connected to one side of the outside of the fractionating tower body (1) and connected with the fractionating tower body (1) through a connecting pipe, and the inside of the filter box (2) is provided with a filter screen (17).

3. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 2, characterized in that: The inside of the filter box (2) is provided with a limiting groove (14), the inside of the limiting groove (14) is slidably connected with a moving block (16), one side of the moving block (16) is fixedly connected with a clamping block (18), and both sides of the filter screen (17) are provided with clamping grooves (20), and the clamping block (18) and the clamping groove (20) are clamped.

4. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 3, characterized in that: The other side of the moving block (16) is fixedly connected with a pull rod (19), and the outside of the pull rod (19) is sleeved with a spring (15).

5. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 4, characterized in that: One end of the spring (15) is fixedly connected to the outer wall of the moving block (16), and the other end of the spring (15) is fixedly connected to the inner wall of the limiting groove (14).

6. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 2, characterized in that: The outside of the filter box (2) is fixedly connected with a feeding pipe (21), and the outside of the feeding pipe (21) and the discharge pipe (5) is provided with a valve.

7. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 1, characterized in that: The outside of the fractionating tower body (1) is fixedly connected with a plurality of separation pipes (4) away from the filter box (2), and the bottom of the fractionating tower body (1) is fixedly connected with a supporting leg.

8. The fractionating column for synthesizing and purifying alkyl phenyl sulfonate according to claim 1, characterized in that: The limiting block (10) is slidably connected in the inside of the sleeve rod (8), and the scraper (12) is attached to the inner wall of the fractionating tower body (1).

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