Organic raw material rectification device

Abstract

The utility model discloses an organic raw material rectification device which comprises distillation units which are sequentially connected in series, each distillation unit comprises a tank body and a condenser, a feeding pipe is arranged at the top of each tank body, a discharging pipe is arranged at the bottom of each tank body, and a heating part used for spirally heating raw materials discharged by the feeding pipe is arranged in each tank body. A preheating pipe fitting for spirally preheating the feeding pipe through steam in the tank body is arranged outside the feeding pipe; according to the utility model, liquid organic raw materials enter the tank body through the feeding pipe, then fall on the apex of the cone body, spirally descend through the heating disc on the conical surface of the cone body, and continuously flow in the process so as to be fully contacted with the heating disc to be heated. The flowing path of the liquid organic raw material can be prolonged through spiral distribution of the heating disc, so that the liquid organic raw material can be fully heated by the heating disc, and the heating efficiency is further improved.

Description

Technical Field

[0001] This utility model belongs to the field of distillation-related technology, specifically relating to an organic raw material distillation apparatus. Background Technology

[0002] Distillation is a mass transfer process that separates components in a mixture based on their different volatility levels. It has wide applications in chemical, petrochemical, and pharmaceutical industries. By heating a mixture to boiling, the vapor produced contains a higher concentration of volatile components than the liquid phase. Partial condensation of the vapor further increases the concentration of volatile components in the condensate. Through multiple cycles of partial vaporization and condensation, almost complete separation of the components in the mixture can be achieved.

[0003] A search revealed that CN214971857U discloses a high-efficiency distillation device for chemical raw materials, comprising a column body. A liquid outlet pipe extends through the bottom of the column body, and a gas outlet pipe extends through the top. A limiting plate is fixed to the outer periphery of the gas outlet pipe. A sealing plate, connected to the inner wall of the column body, is mounted on the upper surface of the limiting plate. A push rod, whose top is fixed to the top of the inner wall of the column body, is fixed to the surface of the sealing plate. A horizontally arranged first heating plate is installed on the inner wall of the column body, and a second heating plate is positioned above the first heating plate. This high-efficiency distillation device for chemical raw materials preheats the raw material in the liquid inlet pipe using a heating ring, and then repeats the heating and distillation process using the second heating plate, which is arranged in ascending order of size, with the first heating plate. This enhances the separation rate of the gaseous and liquid phase products in the raw material, improves the distillation efficiency of the device for chemical raw materials, and makes the device more practical.

[0004] The existing distillation apparatus technology has the following problems: The above-mentioned distillation apparatus preheats the raw material in the inlet pipe by setting a heating ring outside the equipment. Since the external heating will lose some heat, it will increase energy consumption. In addition, when the second heating plate is added to the first heating plate for repeated heating and distillation, it is difficult to ensure that the liquid substance is in full contact with the heating plate, resulting in low heating efficiency and affecting the distillation effect. Utility Model Content

[0005] The purpose of this invention is to provide an organic raw material distillation apparatus to solve the problems mentioned in the background art, such as the loss of some heat during preheating due to external heating and the difficulty in ensuring sufficient contact between the liquid substance and the heating plate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an organic raw material distillation apparatus, comprising distillation units connected in series, each distillation unit including a tank and a condenser, a feed pipe at the top of the tank and a discharge pipe at the bottom of the tank, a heating component inside the tank for swirling heating of the raw material discharged from the feed pipe, a preheating pipe outside the feed pipe for spiral preheating of the feed pipe by steam inside the tank, a reflux pipe on one side of the tank for circulating some liquid phase material from the feed pipe back into the feed pipe, and a discharge pipe on the other side of the tank for discharging the gas-liquid mixture discharged from the preheating pipe to the next distillation unit.

[0007] Preferably, the heating component includes a cone, which is fixed to the tank by a bracket distributed in a ring at the bottom, and a heating plate is fixed to the surface of the cone.

[0008] Preferably, the cone body is a conical structure with a diameter that gradually increases from top to bottom, and the heating plate is arranged in a spiral along the conical surface of the cone body.

[0009] Preferably, the top of the cone extends into the feed pipe through the bottom opening of the feed pipe.

[0010] Preferably, the preheating pipe includes a sleeve, which is fixedly sleeved outside the feed pipe. A spiral blade is fixed in the cavity between the sleeve and the spiral blade, and an air inlet is provided at the top of the sleeve.

[0011] Preferably, one end of the discharge pipe is connected to the bottom cavity of the sleeve and the spiral blade, and the other end of the discharge pipe is condensed by the condenser and then fed into the feed pipe of the next distillation unit.

[0012] Preferably, the reflux fitting includes a reflux pipe body, one end of which is connected to the discharge pipe and the other end of which is connected to the feed pipe. The reflux pipe body is equipped with a pump that allows a portion of the liquid phase material discharged from the discharge pipe to be fed into the feed pipe.

[0013] Compared with the prior art, this utility model provides an organic raw material distillation apparatus, which has the following features:

[0014] Beneficial effects:

[0015] 1. In this invention, liquid organic raw materials enter the tank through a feed pipe, then fall onto the top of the cone, and descend by a heating plate on the conical surface of the cone. During this process, the raw materials continuously flow and fully contact the heating plate for heating. Compared with the prior art, this invention extends the flow path of the liquid organic raw materials by distributing the heating plate in a spiral manner, thereby enabling the heating plate to fully heat the liquid organic raw materials and improve heating efficiency.

[0016] 2. In this invention, the steam generated by heating the organic raw materials rises to the top of the tank and enters the cavity between the sleeve and the feed pipe through the air inlet. Under the guidance of the spiral blades, it spirals downward, thereby preheating the liquid organic raw materials continuously fed into the feed pipe. Compared with the prior art, this invention achieves full utilization of heat through internal preheating, thereby reducing the energy consumption of the equipment. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the distillation unit proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of a half-section of the distillation unit proposed in this utility model;

[0020] Figure 3 This is a half-section front view of the distillation unit proposed in this utility model;

[0021] Figure 4 for Figure 2 Enlarged structural diagram at point A in the middle;

[0022] Figure 5 for Figure 2 Enlarged structural diagram at point B;

[0023] In the diagram: 1. Tank body; 11. Feed pipe; 12. Discharge pipe; 2. Heating component; 21. Cone; 22. Support; 23. Heating plate; 3. Preheating fittings; 31. Sleeve; 32. Spiral blade; 33. Air inlet; 4. Discharge pipe; 5. Return fittings; 51. Return pipe body; 52. Pump. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1 , Figure 2 and Figure 3This utility model provides a technical solution: an organic raw material distillation device, including distillation units connected in series. Each distillation unit includes a tank body 1 and a condenser. A feed pipe 11 is provided at the top of the tank body 1, and a discharge pipe 12 is provided at the bottom of the tank body 1. A heating component 2 is provided inside the tank body 1 for spiral heating of the raw material discharged from the feed pipe 11. A preheating pipe 3 is provided outside the feed pipe 11 for spiral preheating of the feed pipe 11 by steam inside the tank body 1. A reflux pipe 5 is provided on one side of the tank body 1 for circulating some liquid phase material inside the feed pipe 11 back into the feed pipe 11. A discharge pipe 4 is provided on the other side of the tank body 1 for discharging the gas and liquid phase mixture discharged from the preheating pipe 3 to the next distillation unit.

[0026] Please see Figure 2 and Figure 4 The heating component 2 includes a cone 21, which is fixed inside the tank 1 by a bracket 22 distributed in a ring at the bottom. A heating plate 23 is fixed on the surface of the cone 21. The cone 21 is a conical structure with a diameter that gradually increases from top to bottom. The heating plate 23 is arranged in a spiral along the conical surface of the cone 21. The top of the cone 21 extends into the feed pipe 11 through the bottom opening of the feed pipe 11. Liquid organic raw materials enter the tank 1 through the feed pipe 11, then fall on the tip of the cone 21, and spiral down from the heating plate 23 on the conical surface of the cone 21. During this process, the raw materials continuously flow and fully contact the heating plate 23 for heating.

[0027] Please see Figure 2 and Figure 5 The preheating pipe 3 includes a sleeve 31, which is fixedly sleeved outside the feed pipe 11. The spiral blade 32 is fixed in the cavity between the sleeve 31 and the spiral blade 32. An air inlet 33 is opened at the top of the sleeve 31. The steam generated by heating the organic raw material rises to the top of the tank 1 and enters the cavity between the sleeve 31 and the feed pipe 11 through the air inlet 33. Under the guidance of the spiral blade 32, it spirals down and preheats the liquid organic raw material continuously fed into the feed pipe 11. One end of the discharge pipe 4 is connected to the bottom cavity of the sleeve 31 and the spiral blade 32. The other end of the discharge pipe 4 is condensed by the condenser and then fed into the feed pipe 11 of the next distillation unit. The temperature of the steam in the cavity decreases and some liquid substances condense, thereby forming a mixture of gas and liquid phases and being discharged from the tank 1 through the discharge pipe 4.

[0028] Please see Figure 2 The reflux fitting 5 includes a reflux pipe body 51. One end of the reflux pipe body 51 is connected to the discharge pipe 12, and the other end of the reflux pipe body 51 is connected to the feed pipe 11. A pump 52 is provided on the reflux pipe body 51 to pass part of the liquid phase material discharged from the discharge pipe 12 into the feed pipe 11. The liquid material that has not been completely evaporated by the heating plate 23 is collected in the bottom cavity of the tank 1 and is circulated into the feed pipe 11 as reflux liquid through the reflux pipe body 51 on one side of the discharge pipe 12. After multiple cycles, it is discharged from the discharge pipe 12.

[0029] The working principle and usage process of this utility model are as follows: Liquid organic raw materials enter the tank 1 through the feed pipe 11, then fall onto the tip of the cone 21, and spiral down through the heating plate 23 on the conical surface of the cone 21. During this process, the raw materials continuously flow and fully contact the heating plate 23 for heating. The steam generated by heating the organic raw materials rises to the top of the tank 1 and enters the cavity between the sleeve 31 and the feed pipe 11 through the air inlet 33. Under the guidance of the spiral blade 32, the steam spirals down, thereby preheating the liquid organic raw materials continuously fed through the feed pipe 11. Meanwhile, the temperature of the steam in the cavity decreases, causing some of the liquid to condense. The gaseous and liquid phases of the mixture are converted into a gaseous mixture and discharged from the tank 1 through the discharge pipe 4. The mixture is then completely condensed into a liquid phase by the condenser and discharged into the feed pipe 11 of the next distillation unit. The liquid that has not been completely evaporated by the heating plate 23 accumulates in the bottom cavity of the tank 1 and is circulated into the feed pipe 11 as reflux liquid through the reflux pipe 51 on one side of the discharge pipe 12. After multiple cycles, it is discharged from the discharge pipe 12. Through multiple partial vaporization and partial condensation in the multi-stage distillation unit, the components in the mixture can be almost completely separated to achieve the distillation processing of organic raw materials.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An organic raw material distillation apparatus, comprising distillation units connected in series, each distillation unit including a tank (1) and a condenser, wherein a feed pipe (11) is provided at the top of the tank (1) and a discharge pipe (12) is provided at the bottom of the tank (1), characterized in that: The tank (1) is equipped with a heating component (2) for spiral heating of the raw material discharged from the feed pipe (11). The feed pipe (11) is equipped with a preheating pipe (3) for spiral preheating of the feed pipe (11) by the steam in the tank (1). A reflux pipe (5) is provided on one side of the tank (1) to circulate some liquid phase material in the feed pipe (11) back into the feed pipe (11). The other side of the tank (1) is equipped with a discharge pipe (4) to discharge the gas and liquid phase mixture discharged from the preheating pipe (3) to the next distillation unit.

2. The organic raw material distillation apparatus according to claim 1, characterized in that: The heating component (2) includes a cone (21), which is fixed inside the tank (1) by a bracket (22) distributed in a ring at the bottom, and a heating plate (23) is fixed on the surface of the cone (21).

3. The organic raw material distillation apparatus according to claim 2, characterized in that: The cone (21) is a conical structure with a diameter that gradually increases from top to bottom, and the heating plate (23) is arranged in a spiral along the conical surface of the cone (21).

4. An organic raw material distillation apparatus according to claim 3, characterized in that: The top of the cone (21) extends into the feed pipe (11) through the bottom opening of the feed pipe (11).

5. An organic raw material distillation apparatus according to claim 1, characterized in that: The preheating pipe (3) includes a sleeve (31), which is fixedly sleeved outside the feed pipe (11). The spiral blade (32) is fixed in the cavity between the sleeve (31) and the spiral blade (32). An air inlet (33) is opened at the top of the sleeve (31).

6. An organic raw material distillation apparatus according to claim 5, characterized in that: One end of the discharge pipe (4) is connected to the bottom cavity of the sleeve (31) and the spiral blade (32), and the other end of the discharge pipe (4) is condensed by the condenser and then fed into the feed pipe (11) of the next distillation unit.

7. An organic raw material distillation apparatus according to claim 1, characterized in that: The reflux fitting (5) includes a reflux pipe body (51), one end of which is connected to the discharge pipe (12), and the other end of which is connected to the feed pipe (11). A pump (52) is provided on the reflux pipe body (51) to pass a portion of the liquid phase material discharged from the discharge pipe (12) into the feed pipe (11).

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