A balanced pressure difference device for dimer acid molecular distillation

Abstract

The utility model relates to the technical field of chemical manufacturing, and specifically to a balanced pressure difference device for dimer acid molecular distillation, comprising a distillation barrel, wherein the upper end of the distillation barrel is connected to a collecting pipe, and the end of the collecting pipe is connected to the collecting barrel; the distillation barrel and the collecting barrel are provided with mounting structures at the front ends, the mounting structures are mutually connected with a balancing pipe, and the middle part of the balancing pipe is connected with a balancing valve; the beneficial effects are as follows: the balanced pressure difference device for dimer acid molecular distillation proposed by the utility model is provided with a balancing valve, so that when a pressure difference occurs in the distillation process, the pressure between the distillation barrel and the collecting barrel can be balanced by the balancing valve to ensure smooth collection of the distillation product, and the mounting structure is provided at the same time, so that when a distillation operation without pressure difference balance such as small-scale preparation is performed, the balancing valve does not need to be used, and the balancing valve and the balancing pipe can be disassembled for detection and cleaning to ensure stability in subsequent use.

Description

Technical Field

[0001] The utility model relates to the field of chemical manufacturing, in particular to a balanced pressure difference device for dimer acid molecular distillation. Background Art

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

[0003] In traditional distillation processing, due to temperature difference and other reasons, there may be a large pressure difference between the distillation barrel and the collection barrel, which has a certain impact on the collection of the distillation product. Therefore, the utility model proposes a balanced pressure difference device for dimer acid molecular distillation to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a balanced pressure difference device for dimer acid molecular distillation 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 balanced pressure difference device for dimer acid molecular distillation, the balanced pressure difference device for dimer acid molecular distillation comprising: a distillation barrel, the upper end of which is connected to a collecting pipe, the end of which is connected to a collecting barrel; the distillation barrel and the front end of the collecting barrel are provided with mounting structures, the mounting structures are mutually connected with a balancing pipe, and the middle part of the balancing pipe is connected to a balancing valve

[0006] Preferably, the mounting structure comprises a plug hole, an inner end surface of the plug hole is fixedly connected to an elastic retractable rod, the end of the elastic retractable rod is fixedly connected to a retractable plate, the inner end of the retractable plate is fixedly connected to a sealing plug, and the upper end of the sealing plug is fixedly connected to a push rod.

[0007] Preferably, the sealing plug is correspondingly and sealingly inserted into the insertion hole.

[0008] Preferably, a fastening bolt is rotatably connected to the outer end surface of the plug hole, a balancing pipe is bolted inside the fastening bolt, a fastening thread is provided on the outer side of the front end of the balancing pipe, and a fastening bolt is threadedly connected to the outer side of the fastening thread.

[0009] Preferably, the front end of the balancing tube is fixedly connected with a plug-in tube, the front side of the inner end of the plug-in tube is fixedly connected with a collision frame, and the front end of the collision frame is correspondingly supported by a push rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The balanced pressure difference device for dimer acid molecular distillation proposed by the utility model is provided with a balancing valve, so that when a pressure difference occurs during the distillation process, the pressure between the distillation barrel and the collection barrel can be balanced by the balancing valve, thereby ensuring smooth collection of the distillation product. At the same time, an installation structure is provided, so that when a distillation operation that does not require pressure difference balance is performed, such as small-scale preparation, the balancing valve does not need to be used, and the balancing valve and the balancing pipe can be disassembled for inspection and cleaning, thereby ensuring stability in subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 for Figure 1 Structural cross-section view at point A in the middle;

[0014] Figure 3 It is a schematic diagram of partial structural connection of the utility model.

[0015] In the figure: 1 distillation barrel, 2 collection barrel, 3 collection pipe, 4 balance valve, 5 balance pipe, 6 retracting plate, 7 sealing plug, 8 elastic retracting rod, 9 push rod, 10 plug hole, 11 fastening bolt, 12 fastening thread,

[0016] 13 collision frame, 14 plug-in tube. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a balanced pressure difference device for dimer acid molecular distillation, the balanced pressure difference device for dimer acid molecular distillation comprises: a distillation barrel 1, the upper end of the distillation barrel 1 is connected with a collecting pipe 3, and the end of the collecting pipe 3 is connected with a collecting barrel 2; the front ends of the distillation barrel 1 and the collecting barrel 2 are provided with mounting structures, the mounting structures are mutually connected with a balancing pipe 5, and the middle part of the balancing pipe 5 is connected with a balancing valve 4.

[0020] The distillation barrel 1 is filled with materials, and the distillation barrel 1 is heated and distilled. The product enters the collecting barrel 3 from the collecting pipe 3 to complete the preparation and collection. The balance pipe 5 is installed on the distillation barrel 1 and the collecting barrel 2 through the installation structure, and the pressure in the distillation barrel 1 and the collecting barrel 2 is balanced and adjusted through the balance valve 4.

[0021] Embodiment 2

[0022] On the basis of embodiment one, the installation structure includes a plug-in hole 10, an elastic retractable rod 8 is fixedly connected to the inner end face of the plug-in hole 10, a retractable plate 6 is fixedly connected to the end of the elastic retractable rod 8, a sealing plug 7 is fixedly connected to the inner end of the retractable plate 6, a top rod 9 is fixedly connected to the upper end of the sealing plug 7, and the sealing plug 7 is correspondingly and sealably plugged into the plug-in hole 10.

[0023] The elastic retracting rod 8 is always in a tightened state, and the elastic retracting rod 8 retracts the retracting plate 6, so that the sealing plug 7 is sealed and plugged into the plug hole 10, thereby ensuring the air tightness of the device.

[0024] Embodiment 3

[0025] On the basis of the second embodiment, the outer end surface of the plug-in hole 10 is rotatably connected with a fastening bolt 11, the fastening bolt 11 is bolted to the balancing pipe 5, a fastening thread 12 is provided on the outer side of the front end of the balancing pipe 5, the outer side of the fastening thread 12 is threadedly connected with the fastening bolt 11, the front end of the balancing pipe 5 is fixedly connected with a plug-in tube 14, the front side of the inner end of the plug-in tube 14 is fixedly connected with a collision frame 13, and the front end of the collision frame 13 is correspondingly supported by a push rod 9.

[0026] When installing the balance pipe 5 in the plug hole 10, first plug the plug tube 14 into the plug hole 10, so that the impact frame 13 pushes the push rod 9 open, so that the sealing plug 7 releases the sealing plug of the plug hole 10, and then rotate the fastening bolt 11 to fasten the balance pipe 5 bolts to the outer end of the plug hole 10 to complete the fixation. When disassembling, rotate the fastening bolt 11 to release the bolt fastening of the balance pipe 5, and disassembly can be achieved.

[0027] In actual use, the distillation barrel 1 is filled with materials, and the distillation barrel 1 is heated and distilled. The product enters the collection barrel 3 from the collection tube 3 to complete the preparation and collection. The inner end face of the plug hole 10 is fixedly connected with an elastic retracting rod 8, and the end of the elastic retracting rod 8 is fixedly connected with a retracting plate 6. The inner end of the retracting plate 6 is fixedly connected with a sealing plug 7, and the upper end of the sealing plug 7 is fixedly connected with a push rod 9. The sealing plug 7 is correspondingly plugged into the plug hole 10 in a sealing manner. The elastic retracting rod 8 is always in a tightened state, and the elastic retracting rod 8 retracts the retracting plate 6. Pull so that the sealing plug 7 can be sealed and plugged into the plug hole 10 to ensure the air tightness of the device. When installing the balancing tube 5 in the plug hole 10, first plug the plug tube 14 into the plug hole 10, so that the collision frame 13 pushes the push rod 9 open, so that the sealing plug 7 releases the sealing plug of the plug hole 10, and then rotate the fastening bolts 11 to fasten the balancing tube 5 bolts to the outer end of the plug hole 10 to complete the fixation. When disassembling, rotate the fastening bolts 11 to release the bolts on the balancing tube 5 to achieve disassembly.

[0028] 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 balanced pressure difference device for dimer acid molecular distillation, characterized in that: The balanced pressure difference device for dimer acid molecular distillation comprises: A distillation barrel (1), wherein the upper end of the distillation barrel (1) is connected to a collecting pipe (3), and the lower end of the collecting pipe (3) is connected to a collecting barrel (2); The front ends of the distillation barrel (1) and the collection barrel (2) are provided with mounting structures, the mounting structures are interconnected by a balancing pipe (5), and the middle portion of the balancing pipe (5) is connected to a balancing valve (4).

2. The balanced pressure difference device for molecular distillation of dimer acid according to claim 1, characterized in that: The mounting structure comprises a plug hole (10), the inner end surface of the plug hole (10) is fixedly connected to an elastic retractable rod (8), the end of the elastic retractable rod (8) is fixedly connected to a retractable plate (6), the inner end of the retractable plate (6) is fixedly connected to a sealing plug (7), and the upper end of the sealing plug (7) is fixedly connected to a push rod (9).

3. The balanced pressure difference device for dimer acid molecular distillation according to claim 2, characterized in that: The sealing plug (7) is correspondingly and sealingly plugged into the plug hole (10).

4. The balanced pressure difference device for dimer acid molecular distillation according to claim 2, characterized in that: The outer end surface of the insertion hole (10) is rotatably connected with a fastening bolt (11), the inner bolt of the fastening bolt (11) is connected with a balancing pipe (5), the outer side of the front end of the balancing pipe (5) is provided with a fastening thread (12), and the outer side of the fastening thread (12) is threadedly connected with the fastening bolt (11).

5. The balanced pressure difference device for dimer acid molecular distillation according to claim 4, characterized in that: The front end of the balancing tube (5) is fixedly connected to a plug-in tube (14), the front side of the inner end of the plug-in tube (14) is fixedly connected to a collision frame (13), and the front end of the collision frame (13) is correspondingly supported by a push rod (9).

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