Distillation and purification device for dimer acid

Abstract

The utility model relates to the technical field of chemical preparation, in particular to a dimer acid distillation and purification device which comprises a heating furnace, a heating barrel is fixedly supported at the upper end of the heating furnace, a top cover is hermetically mounted at the upper end of the heating barrel, and an air outlet pipe is fixedly communicated with the upper end of the top cover; a feeding hole is formed in the left side of the upper end surface of the top cover; a feeding pipe is fixedly connected to the outer side of the upper end surface of the feeding hole; a controllable piston device is inserted into the feeding hole in a sealing manner; the distillation and purification device for dimer acid has the beneficial effects that the controllable piston device is arranged, so that when reactants need to be added during distillation, the materials can be added through the feeding pipe only by controlling the piston, manual operation is not needed, the safety is improved, and the heat loss is reduced.

Description

Technical Field

[0001] The utility model relates to the field of chemical preparation, in particular to a distillation and purification device for dimer acid. Background Art

[0002] Dimer acid, usually referred to as dimer fatty acid, is a complex mixture, a colorless transparent liquid. Relative density is 0.95, flash point is 280-350℃. It is soluble in almost all solvents such as acetone, ethanol, ether, aliphatic, naphtha, etc. When purifying and preparing dimer acid, it is usually necessary to distill it.

[0003] In traditional distillation processing, it is usually necessary to maintain a certain amount of reactants to ensure distillation efficiency. However, when the top cover is opened to add reactants during distillation, it is usually easy to cause certain harm to the operator due to the emission of internal high-temperature gas. If the reactants are added after cooling, some heat will be wasted. For this reason, the utility model proposes a distillation and purification device for dimer acid to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a distillation and purification device for dimer acid to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distillation and purification device for dimer acid, the distillation and purification device for dimer acid comprising: a heating furnace, a heating barrel is fixedly supported on the upper end of the heating furnace, a top cover is sealed and installed on the upper end of the heating barrel, an air outlet pipe is fixedly connected to the upper end of the top cover; a feed hole is opened on the left side of the upper end surface of the top cover, a feed pipe is fixedly connected to the outer side of the upper end surface of the feed hole; a controllable piston device is sealed and inserted in the feed hole.

[0006] Preferably, the controllable piston device includes a supporting guide rod, the supporting guide rod is fixedly connected to both sides of the upper end surface of the feed hole, the upper end surface of the supporting guide rod is fixedly connected to an upper support rod, the middle of the lower end surface of the upper support rod is fixedly connected to a protective shell, a bolt motor is fixedly connected inside the protective shell, a lifting screw is connected to the output end of the bolt motor, a bolt connecting frame is provided on the outer threaded sleeve of the lifting screw, a sealing plug is fixedly connected to the lower end of the bolt connecting frame, and the sealing plug is correspondingly sealed and inserted in the feed hole.

[0007] Preferably, guide grooves are provided at the left and right side ends of the sealing plug, and the guide grooves are slidably sleeved on the outside of the supporting guide rod.

[0008] Preferably, the upper end surface of the upper support rod is rounded.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The distillation and purification device for dimer acid proposed by the utility model is provided with a controllable piston device, so that when reactants need to be added in the middle of distillation, the piston only needs to be controlled to add the materials through the feed pipe without manual operation, thereby improving safety and reducing heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 It is a partial structural connection diagram of the utility model;

[0013] Figure 3 for Figure 2 Enlarged schematic diagram at point A in the middle.

[0014] In the figure: 1 heating furnace, 2 heating barrel, 3 top cover, 4 air outlet pipe, 5 feed pipe, 6 feed hole, 7 sealing plug, 8 support guide rod, 9 bolt connecting frame, 10 lifting screw, 11 bolt motor, 12 protective shell, 13 upper support rod. DETAILED DESCRIPTION

[0015] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Embodiment 1

[0017] See also Figure 1-Figure 3 The utility model provides a technical solution: a distillation and purification device for dimer acid, which comprises: a heating furnace 1, a heating barrel 2 is fixedly supported on the upper end of the heating furnace 1, a top cover 3 is sealed and installed on the upper end of the heating barrel 2, and an air outlet pipe 4 is fixedly connected to the upper end of the top cover 3; a feed hole 6 is opened on the left side of the upper end surface of the top cover 3, and a feed pipe 5 is fixedly connected to the outer side of the upper end surface of the feed hole 6; a controllable piston device is sealed and inserted in the feed hole 6.

[0018] The heating barrel 2 is filled with reactants, the heating furnace 1 is used to heat the reactants, the gas outlet pipe 4 is used to collect the distilled reactants, and the feed port 6 is used to add the reactants.

[0019] Embodiment 2

[0020] On the basis of embodiment one, the controllable piston device includes a supporting guide rod 8, which is fixedly connected to both sides of the upper end surface of the feed hole 6, and the upper end surface of the supporting guide rod 8 is fixedly connected to an upper support rod 13, and the middle of the lower end surface of the upper support rod 13 is fixedly connected to a protective shell 12, and a bolt motor 11 is fixedly connected inside the protective shell 12, and a lifting screw 10 is connected to the output end of the bolt motor 11. The outer thread sleeve of the lifting screw 10 is provided with a bolt connecting frame 9, and the lower end of the bolt connecting frame 9 is fixedly connected to a sealing plug 7, and the sealing plug 7 is correspondingly sealed and inserted in the feed hole 6, and guide grooves are provided on the left and right side ends of the sealing plug 7, and the guide grooves are slidably sleeved on the outside of the supporting guide rod 8, and a rounded corner is provided on the upper end surface of the upper support rod 13.

[0021] When it is necessary to add reactants, the bolt motor 11 drives the lifting screw 10 to rotate, and the lifting screw 10 drives the bolt connecting frame 9 to lift and lower through the bolt transmission. The lower end of the bolt connecting frame 9 is fixedly connected with a sealing plug 7. The left and right sides of the sealing plug 7 are provided with guide grooves, and the guide grooves are slidably sleeved on the outside of the supporting guide rod 8, so that the sealing plug 7 can be stably lifted and lowered along the supporting guide rod 8, thereby realizing the controllable opening and closing of the feeding hole 6 by the sealing plug 7.

[0022] In actual use, the heating barrel 2 is filled with reactants, the heating furnace 1 is used to heat the reactants, and the exhaust pipe 4 is used to collect and distill the reactants. When reactants need to be added, the bolt motor 11 drives the lifting screw 10 to rotate, and the lifting screw 10 drives the bolt connecting frame 9 to lift and lower through the bolt transmission. The lower end of the bolt connecting frame 9 is fixedly connected with a sealing plug 7. The left and right side ends of the sealing plug 7 are provided with guide grooves, and the guide grooves are slidably sleeved on the outside of the support guide rod 8, so that the sealing plug 7 can be stably lifted and lowered along the support guide rod 8, thereby realizing the controllable opening and closing of the feeding hole 6 by the sealing plug 7.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distillation and purification device for dimer acid, characterized in that: The distillation and purification device for dimer acid comprises: A heating furnace (1), wherein a heating barrel (2) is fixedly supported at the upper end of the heating furnace (1), a top cover (3) is sealedly mounted at the upper end of the heating barrel (2), and an air outlet pipe (4) is fixedly connected to the upper end of the top cover (3); A feed hole (6) is provided on the left side of the upper end surface of the top cover (3), and a feed pipe (5) is fixedly connected to the outer side of the upper end surface of the feed hole (6); A controllable piston device is sealed and inserted in the feed hole (6).

2. A distillation and purification device for dimer acid according to claim 1, characterized in that: The controllable piston device comprises a support guide rod (8), wherein the support guide rod (8) is fixedly connected to both sides of the upper end surface of the feed hole (6), the upper end surface of the support guide rod (8) is fixedly connected to an upper support rod (13), the middle of the lower end surface of the upper support rod (13) is fixedly connected to a protective shell (12), a bolt motor (11) is fixedly connected inside the protective shell (12), the output end of the bolt motor (11) is connected to a lifting screw rod (10), the outer thread sleeve of the lifting screw rod (10) is provided with a bolt connection frame (9), the lower end of the bolt connection frame (9) is fixedly connected to a sealing plug (7), and the sealing plug (7) is correspondingly sealed and plugged into the feed hole (6).

3. A distillation and purification device for dimer acid according to claim 2, characterized in that: The left and right side ends of the sealing plug (7) are provided with guide grooves, and the guide grooves are slidably sleeved on the outside of the supporting guide rod (8).

4. A distillation and purification device for dimer acid according to claim 2, characterized in that: The upper end surface of the upper support rod (13) is provided with a rounded corner.

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