Novel continuous purification device for tert-octyl phenol

Abstract

The utility model provides a novel continuous purification device for tert-octyl phenol, which is characterized in that the novel continuous purification device for tert-octyl phenol comprises a primary light component removal tower, a purification evaporation group structure capable of being connected in parallel, a constant temperature box structure capable of being protected and guided, a heavy component removal tower reboiler, a heavy component removal tower and a product buffer tank, and the first-stage light component removal tower is connected with a parallel purification evaporation group structure through a pipeline. Due to the arrangement of the main evaporation kettle, the main reboiler, the parallel evaporation kettles and the parallel reboiler, the main evaporation kettle and the parallel evaporation kettles are arranged in parallel in the use process, so that the pressure of a material is conveniently kept in the purification process, and the aim of preventing the purification effect from being influenced after the pressure of the material is too large or too small in the purification process is fulfilled; and through arrangement of a supporting box, a supporting block, a spiral constant-temperature pipe, a filling pipe and a circulating pipe, the temperature of the material can be kept in the purification process, and the situation that the material purification effect is affected due to the fact that the temperature change is too large in the purification process is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of purification equipment, and in particular relates to a novel continuous purification device for tert-octylphenol. Background Art

[0002] 4-tert-octylphenol is generally prepared by alkylation reaction of diisobutylene and phenol under the action of acidic cationic resin catalyst, followed by distillation and purification. 4-tert-octylphenol is an important raw material and intermediate in fine chemical production. The bromination, vulcanization and viscosity-enhancing resin of alkylphenol synthesized with it is an indispensable rubber additive for the manufacture of radial tires; the surfactant manufactured with it is widely used in detergents, pesticide emulsifiers, textile leveling agents and other products; the phenolic resin synthesized with it is widely used in the production fields of printing inks, coatings, adhesives, insulating paints, light stabilizers, etc. The existing continuous purification device of 4-tert-octylphenol is easily limited in the purification process by continuous purification in series, which affects the purification efficiency and is easily affected by the temperature of the material during the purification process. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a novel continuous purification device for tert-octylphenol, which improves the purification efficiency by changing the connection mode of the purification mechanism during the continuous purification process, and sets a constant temperature mechanism during the purification process to prevent temperature changes from affecting the purification efficiency.

[0004] A novel continuous purification device for tert-octylphenol comprises a primary light-removing tower, a parallel purification evaporation group structure, a protective guiding thermostatic box structure, a heavy-removing tower reboiler, a heavy-removing tower and a product buffer tank, wherein the primary light-removing tower is connected to the parallel purification evaporation group structure through a pipeline; the outer wall of the pipeline connecting the parallel purification evaporation group structure to the heavy-removing tower is provided with a protective guiding thermostatic box structure; the heavy-removing tower is connected to the heavy-removing tower reboiler and the product buffer tank through pipelines respectively.

[0005] Preferably, the parallel purification evaporation group structure includes a main evaporator, a main reboiler is fixed at the middle position of the upper end of the main evaporator; the main evaporator pipeline is connected to the parallel evaporator; the parallel reboiler is fixed at the middle position of the upper end of the parallel evaporator.

[0006] Preferably, the protective guide thermostatic box structure includes a support box, and support blocks are bolted to the left and right sides of the bottom of the support box respectively; a spiral thermostatic tube is fixed to the middle position inside the support box; a filling pipe passes through the left side of the upper end of the support box; and a circulation pipe passes through the right side of the bottom end of the support box.

[0007] Preferably, the first-stage light-removal tower pipeline is connected to the main evaporator; the parallel evaporator pipeline is connected to the heavy-removal tower.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. In the utility model, the arrangement of the main evaporator, the main reboiler, the parallel evaporator and the parallel reboiler is conducive to maintaining the pressure of the material during the purification process by arranging the main evaporator and the parallel evaporator in parallel during use, so as to prevent the pressure of the material from being too high or too low during the purification process and affecting the purification effect.

[0010] 2. In the utility model, the arrangement of the support box, support block, spiral constant temperature tube, filling tube and circulation tube is conducive to maintaining the temperature of the material during the purification process and preventing excessive temperature changes during the purification process from affecting the material purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the utility model of the purification evaporation group structure that can be connected in parallel.

[0013] Figure 3 It is a structural schematic diagram of the protective and conveying constant temperature box structure of the utility model.

[0014] In the figure:

[0015] 1. Primary light-removal tower; 2. Parallel purification evaporation group structure; 21. Main evaporator; 22. Main reboiler; 23. Parallel evaporator; 24. Parallel reboiler; 3. Protective guide thermostatic box structure; 31. Support box; 32. Support block; 33. Spiral thermostatic tube; 34. Filling pipe; 35. Circulation pipe; 4. Reboiler of weight-removal tower; 5. Weight-removal tower; 6. Product buffer tank. DETAILED DESCRIPTION

[0016] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, a novel continuous purification device for tert-octylphenol comprises a primary light-removing tower 1, a parallel purification evaporation group structure 2, a protective and conveying thermostatic box structure 3, a de-weighting tower reboiler 4, a de-weighting tower 5 and a product buffer tank 6, wherein the primary light-removing tower 1 is connected to the parallel purification evaporation group structure 2 through a pipeline; the outer wall of the pipeline connecting the parallel purification evaporation group structure 2 to the de-weighting tower 5 is provided with a protective and conveying thermostatic box structure 3; the de-weighting tower 5 is respectively connected to the de-weighting tower reboiler 4 and the product buffer tank 6 through pipelines; the parallel purification evaporation group structure 2 comprises a main evaporator 21, a main reboiler 22, a parallel evaporator 23 and a parallel reboiler 24, and the upper wall of the main evaporator 21 is connected to the de-weighting tower 5 through a pipeline ... A main reboiler 22 is fixed at the middle position of the end; the main evaporator 21 is connected to the parallel evaporator 23 through a pipeline; a parallel reboiler 24 is fixed at the middle position of the upper end of the parallel evaporator 23; when in use, the device is fixed at a suitable position, and then the pipeline is used to connect the device, and in the process of connecting the device, the main evaporator 21 and the parallel evaporator 23 are connected in parallel through the pipeline, which is convenient for the main evaporator 21 and the parallel evaporator 23 to be set in parallel during the purification process, so as to realize uniform purification of materials, prevent the purification effect from being affected by excessive pressure or insufficient pressure during the purification process, and set one or more groups of devices according to the purification needs during the purification process.

[0017] In this embodiment, combined with the Figure 3 As shown, the protective guiding thermostatic box structure 3 includes a supporting box 31, a supporting block 32, a spiral thermostatic tube 33, a filling pipe 34 and a circulation pipe 35, and the supporting blocks 32 are bolted to the left and right sides of the bottom of the supporting box 31; the spiral thermostatic tube 33 is fixed to the middle position inside the supporting box 31; the filling pipe 34 passes through the left side of the upper end of the supporting box 31; the circulation pipe 35 passes through the right side of the bottom end of the supporting box 31; then, during the purification process, the supporting box 31 and the spiral thermostatic tube 33 are set at a suitable position on the outer wall of the pipeline connecting the parallel evaporator 23 to the deweighting tower 5, and then the external pipeline is used to connect the filling pipe 34 and the circulation pipe 35 respectively, and the constant temperature liquid passes through the inside of the spiral thermostatic tube 33 to achieve the purpose of constant temperature operation of the material and prevent temperature changes from affecting the purification effect, thereby completing the purification work.

[0018] In this embodiment, specifically, a para-tert-octylphenol alkylation liquid feed pipe is provided on the upper left side of the primary light-removal tower 1, and a light component extraction pipe and a condenser are provided on the upper left side and the upper end of the primary light-removal tower 1, respectively.

[0019] In this embodiment, specifically, the main evaporator 21 and the parallel evaporator 23 are arranged in parallel through pipelines.

[0020] In this embodiment, specifically, the primary light removal tower 1 is connected to the main evaporator 21 through a pipeline; and the parallel evaporator 23 is connected to the heavy removal tower 5 through a pipeline.

[0021] In this embodiment, specifically, a filling pipe 34 is threadedly connected to the left outer wall of the upper end of the spiral thermostatic tube 33 ; and a circulation pipe 35 is threadedly connected to the right outer wall of the bottom end of the spiral thermostatic tube 33 .

[0022] In this embodiment, specifically, the outer wall of the pipe connecting the parallel evaporator 23 to the deweighting tower 5 is sleeved with a spiral thermostatic tube 33 and the connecting pipe passes through the middle position of the inner part of the support box 31 .

[0023] How it works

[0024] In the utility model, when in use, the device is fixed in a suitable position, and then the device is connected using a pipeline, and in the process of connecting the devices, the main evaporator 21 and the parallel evaporator 23 are connected in parallel through the pipeline, so that the main evaporator 21 and the parallel evaporator 23 are conveniently set in parallel during the purification process to achieve uniform purification of the material, prevent the pressure from being too high or too low during the purification process to affect the purification effect, and set one or more groups of devices according to the purification needs during the purification process, and then set the support box 31 and the spiral thermostatic tube 33 at a suitable position on the outer wall of the pipeline connecting the parallel evaporator 23 to the deweighting tower 5 during the purification process, and then use the external pipeline to connect the filling pipe 34 and the circulation pipe 35 respectively, and the constant temperature liquid passes through the inside of the spiral thermostatic tube 33 to achieve the purpose of constant temperature of the material, and prevent the temperature change from affecting the purification effect, thereby completing the purification work.

[0025] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A novel continuous purification device for tert-octylphenol, characterized in that: The novel continuous purification device for tert-octylphenol comprises a primary light-removing tower (1), a parallel purification evaporation group structure (2), a protective and guiding constant temperature box structure (3), a heavy-removing tower reboiler (4), a heavy-removing tower (5) and a product buffer tank (6), wherein the primary light-removing tower (1) is connected to the parallel purification evaporation group structure (2) through a pipeline; the outer wall of the pipeline connecting the parallel purification evaporation group structure (2) to the heavy-removing tower (5) is provided with a protective and guiding constant temperature box structure. (3); the deweighting tower (5) is connected to the deweighting tower reboiler (4) and the product buffer tank (6) by pipelines; the parallel purification evaporation group structure (2) comprises a main evaporator (21), and a main reboiler (22) is fixed at the middle position of the upper end of the main evaporator (21); the main evaporator (21) is connected to the parallel evaporator (23) by pipelines; and a parallel reboiler (24) is fixed at the middle position of the upper end of the parallel evaporator (23).

2. The continuous purification device of novel tert-octylphenol as claimed in claim 1, characterized in that, The protective guide thermostatic box structure (3) comprises a support box (31), wherein support blocks (32) are bolted to the left and right sides of the bottom of the support box (31); a spiral thermostatic tube (33) is fixed to the middle position inside the support box (31); a filling tube (34) penetrates the left side of the upper end of the support box (31); and a circulation tube (35) penetrates the right side of the bottom end of the support box (31).

3. The continuous purification device of novel tert-octylphenol as claimed in claim 1, characterized in that, The first-stage light-removal tower (1) is connected to the main evaporator (21) through a pipeline; the parallel evaporator (23) is connected to the heavy-removal tower (5) through a pipeline.

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