Actual boiling point distillation test device

By installing protective gaskets and distillation nozzles between the distillation kettle and the distillation column, the problem of increased equipment viscosity caused by oil residue was solved, thus achieving equipment stability and safety.

CN223464441UActive Publication Date: 2025-10-24SHENYANG SHIBODA INSTR
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Patent Information

Application Number
CN202422903132.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-24
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In traditional true boiling point distillation equipment, oil residue remains in the gap between the distillation vessel and the distillation column, which increases the viscosity between the distillation column and the distillation vessel. If the distillation column is pulled out violently, it may break.

Method used

A true boiling point distillation test apparatus is designed. By setting a protective gasket and a distillation tube opening between the distillation vessel and the distillation column, a funnel-shaped structure is formed to reduce oil residue and ensure sealing and flowability.

Benefits of technology

It effectively reduces oil residue, avoids increased viscosity between the distillation column and the distillation vessel, prevents the distillation column from breaking, and ensures the stability and safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a real boiling point distillation test device, which relates to the technical field of petrochemical distillation and comprises a distillation column, the outer surface of the distillation column is provided with a thermal insulation layer, the lower end of the distillation column extends to the lower part of the thermal insulation layer, a distillation kettle is arranged below the distillation column, the upper end of the distillation kettle is provided with a splicing port, and the splicing port is communicated with the thermal insulation layer. A protection gasket is arranged above the distillation kettle and inside the splicing and inserting opening, a distillation pipe opening is formed in the lower end of the protection gasket, the lower end of the distillation pipe opening extends into the distillation kettle, a distillation opening is formed in the lower end of the distillation column, and the lower end of the distillation opening abuts against the upper end of the interior of the protection gasket. Residual oil in a gap between the distillation still and the distillation column is reduced, the risk that the viscosity between the distillation column and the distillation still is increased is avoided, and distillation column breakage caused by violent extraction of the distillation column is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum chemical distillation, specifically relates to a real boiling point distillation test device. BACKGROUND

[0002] Real boiling point distillation is an important experimental technique for separating and analyzing complex mixtures such as petroleum, which separates the components in petroleum by utilizing the difference in boiling point under near atmospheric pressure, and through gradually increasing the temperature, the components in the mixture are vaporized and condensed in sequence according to the boiling point from low to high, for example, low-boiling-point components such as gasoline are first evaporated, followed by components with slightly higher boiling points such as kerosene. This distillation method can accurately reflect the composition of petroleum and provide key data for petroleum refining, chemical production, etc. When the traditional real boiling point distillation equipment is used, oil vapor will remain in the gap between the distillation column and the distillation kettle, resulting in increased adhesion between the distillation column and the distillation kettle, which may cause the distillation column to break when forcibly pulled out. SUMMARY

[0003] The utility model aims at providing a real boiling point distillation test device to solve the problem of traditional real boiling point distillation equipment in the background art, which causes oil to remain in the gap between the distillation column and the distillation kettle, resulting in increased adhesion between the distillation column and the distillation kettle, which may cause the distillation column to break when forcibly pulled out.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a real boiling point distillation test device, comprising a distillation column, the outer surface of the distillation column is provided with a heat preservation layer, the lower end of the distillation column extends below the heat preservation layer, a distillation kettle is arranged below the distillation column, a splicing opening is formed in the upper end of the distillation kettle, a protective gasket is arranged above the distillation kettle and inside the splicing opening, a distillation pipe opening is arranged at the lower end of the protective gasket, the lower end of the distillation pipe opening extends into the interior of the distillation kettle, a distillation opening is formed in the lower end of the distillation column, and the lower end of the distillation opening abuts against the inner upper end of the protective gasket.

[0005] Preferably, the splicing opening is a funnel-shaped structure with a larger upper opening than a lower opening, a circular arc transition is arranged at the position corresponding to the distillation kettle at the lower opening of the splicing opening, and the outer surface of the distillation pipe opening abuts against the inner surface of the circular arc transition.

[0006] Preferably, the protective gasket is a funnel-shaped structure with a larger upper opening than a lower opening, the outer surface of the protective gasket abuts against the inner surface of the splicing opening, and the upper end of the protective gasket extends above the splicing opening.

[0007] Preferably, the distillation port is a funnel-shaped structure with an upper end opening larger than a lower end opening, an outer surface of the distillation port abutting against an inner surface of the protective gasket, and the upper end of the distillation port extending above the protective gasket.

[0008] Preferably, a lower end of an inner surface of the distillation port is provided with a flow-through pipe opening, a lower end of the flow-through pipe opening abutting against an upper end of the distillation pipe opening, and an inner diameter of the flow-through pipe opening being consistent with an inner diameter of the distillation pipe opening.

[0009] Compared with the prior art, the beneficial effects of the present application are as follows: the connection structure between the traditional real boiling point distillation equipment distillation still and distillation column is redesigned, the residue of oil products in the gap between the distillation still and the distillation column is reduced, the risk of increased viscosity between the distillation column and the distillation still is avoided, and the breakage of the distillation column caused by forcibly pulling out the distillation column is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a main structure isometric view of the present application;

[0011] Figure 2 is a main structure isometric sectional view of the present application;

[0012] Figure 3 is a main structure front sectional view of the present application;

[0013] Figure 4 is a main structure front sectional split view of the present application;

[0014] Figure 5 is a main structure front schematic view of the present application.

[0015] In the figure: 1-distillation column, 2-heat insulation layer, 3-distillation still, 4-splicing port, 5-protective gasket, 6-distillation pipe opening, 7-distillation port, 8-circular arc transition, 9-flow-through pipe opening. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Please refer to Figures 1-5The utility model provides a kind of real boiling point distillation test device, including distillation column 1, the outer surface of the distillation column 1 is equipped with heat preservation layer 2, the lower end of the distillation column 1 is stretched to the below of the heat preservation layer 2, the below of the distillation column 1 is equipped with distillation kettle 3, the upper end of the distillation kettle 3 is equipped with splicing mouth 4, the above of the distillation kettle 3 and in the inside of the splicing mouth 4 is equipped with protective gasket 5, the lower end of the protective gasket 5 is equipped with distillation pipe mouth 6, the lower end of the distillation pipe mouth 6 is stretched to the inside of the distillation kettle 3, the lower end of the distillation column 1 is equipped with distillation mouth 7, the lower end of the distillation mouth 7 is in the inside upper end of the protective gasket 5.

[0018] When using, the splicing mouth 4 structure of the original distillation kettle 3 is reserved, the protective gasket 5 structure is designed in the inside of the splicing mouth 4, the distillation pipe mouth 6 is set at the lower end of the protective gasket 5, the distillation pipe mouth 6 is spliced and set to the inside of the splicing mouth 4, the lower end of the distillation pipe mouth 6 is stretched into the inside upper end of the distillation kettle 3, the protective gasket 5 is guaranteed to be in the inside of the splicing mouth 4, then the distillation mouth 7 at the lower end of the distillation column 1 is spliced into the inside of the protective gasket 5, the lower end opening position of the distillation mouth 7 is in the upper end of the distillation pipe mouth 6, so that the distillation mouth 7 is directly connected with the distillation pipe mouth 6, the oil-water vapor during distillation is collected through the protective gasket 5, then is input to the inside of the distillation column 1 through the distillation pipe mouth 6 and the distillation mouth 7, the heat preservation layer 2 is set outside the distillation column 1, distillation operation is carried out through the distillation column 1, the upper end of the distillation column 1 and the heat preservation layer 2 remains the original real boiling point distillation equipment structure, the upper end structure of the distillation column 1 and the heat preservation layer 2 is not described in the utility model, but the distillation operation of the distillation column 1 and the heat preservation layer 2 is not impressed.

[0019] The splicing mouth 4 is funnel-shaped structure with upper end opening larger than lower end opening, the lower end opening of the splicing mouth 4 is equipped with circular arc transition 8 at the position corresponding to the distillation kettle 3, the outer surface of the distillation pipe mouth 6 is on the inner surface of the circular arc transition 8, the splicing mouth 4 of funnel-shaped structure is designed, which facilitates the splicing connection of the protective gasket 5 and the splicing mouth 4, and guarantees the sealing property of the protective gasket 5 and the splicing mouth 4, and the circular arc transition 8 is set between the splicing mouth 4 and the distillation kettle 3, which guarantees the sealing property between the splicing mouth 4 and the distillation kettle 3, and guarantees the funnel-shaped structure of the splicing mouth 4.

[0020] The protective gasket 5 is funnel-shaped structure with upper end opening larger than lower end opening, the outer surface of the protective gasket 5 is on the inner surface of the splicing mouth 4, the upper end of the protective gasket 5 is stretched to the above of the splicing mouth 4, the protective gasket 5 of funnel-shaped structure is set, which facilitates the splicing connection of the distillation mouth 7 and the protective gasket 5, and guarantees the sealing property between the distillation mouth 7 and the protective gasket 5.

[0021] The distillation port 7 is funnel-shaped structure with upper end opening larger than lower end opening, the outer surface of the distillation port 7 abuts on the inner surface of the protective gasket 5, the upper end of the distillation port 7 extends above the protective gasket 5, the distillation port 7 is arranged through funnel-shaped structure, which facilitates the splicing connection of the distillation port 7 and the protective gasket 5, and guarantees the sealing between the distillation port 7 and the protective gasket 5.

[0022] The lower end of the inner surface of the distillation port 7 is provided with the flow-through pipe orifice 9, the lower end of the flow-through pipe orifice 9 abuts on the upper end of the distillation pipe orifice 6, the inner diameter of the flow-through pipe orifice 9 is consistent with the inner diameter of the distillation pipe orifice 6, the flow-through pipe orifice 9 is arranged at the lower end of the distillation port 7, the lower end of the flow-through pipe orifice 9 is communicated and connected with the upper end of the distillation pipe orifice 6, which guarantees the smooth flow between the flow-through pipe orifice 9 and the distillation pipe orifice 6, thereby reducing the retention of oil-water vapor inside the gap between the flow-through pipe orifice 9 and the distillation pipe orifice 6.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A true boiling point distillation test apparatus characterized by: Including distillation column (1), the outer surface of distillation column (1) is provided with heat preservation layer (2), the lower end of distillation column (1) is stretched to the lower of heat preservation layer (2), the lower of distillation column (1) is provided with distillation kettle (3), the upper end of distillation kettle (3) is provided with splicing mouth (4), the upper of distillation kettle (3) and inside splicing mouth (4) are provided with protective gasket (5), the lower end of protective gasket (5) is provided with distillation pipe mouth (6), the lower end of distillation pipe mouth (6) is stretched to the inside of distillation kettle (3), the lower end of distillation column (1) is provided with distillation mouth (7), the lower end of distillation mouth (7) is in the inside upper end of protective gasket (5).

2. A true boiling point distillation test apparatus according to claim 1, characterised in that: The splicing mouth (4) is funnel-shaped structure with the upper end opening larger than the lower end opening, the lower end opening of the splicing mouth (4) is provided with circular arc transition (8) corresponding to the position of the distillation kettle (3), the outer surface of the distillation pipe mouth (6) is on the inner surface of the circular arc transition (8).

3. A true boiling point distillation apparatus as claimed in claim 1, wherein: The protective gasket (5) is funnel-shaped structure with the upper end opening larger than the lower end opening, the outer surface of the protective gasket (5) is on the inner surface of the splicing mouth (4), the upper end of the protective gasket (5) is stretched to the upper of the splicing mouth (4).

4. A true boiling point distillation apparatus as defined in claim 1, wherein: The distillation mouth (7) is funnel-shaped structure with the upper end opening larger than the lower end opening, the outer surface of the distillation mouth (7) is on the inner surface of the protective gasket (5), the upper end of the distillation mouth (7) is stretched to the upper of the protective gasket (5).

5. A true boiling point distillation apparatus as defined in claim 1, wherein: The inner surface lower end of the distillation mouth (7) is provided with flow-through pipe mouth (9), the lower end of the flow-through pipe mouth (9) is on the upper end of the distillation pipe mouth (6), the inner diameter of the flow-through pipe mouth (9) is consistent with the inner diameter of the distillation pipe mouth (6).