Rectifying tower capable of rapidly preheating
By setting up oil storage, heating and oil extraction mechanisms outside the distillation column, and using heat transfer oil heated and evenly distributed inside the column, the problem of long time required for distillation columns to reach high temperatures in existing technologies is solved, and a rapid preheating effect is achieved.
Patent Information
- Application Number
- CN202520393938.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing distillation columns require high temperatures to prepare plasticizers, which takes a long time and results in a prolonged preparation time.
An oil storage, heating, and oil extraction mechanism is installed outside the distillation column. The oil is heated by heat transfer oil and then evenly distributed inside the column through a distribution channel for preheating, thus shortening the time to reach the working temperature.
By preheating with heat transfer oil, the distillation column can quickly reach the working temperature for preparing plasticizers, thus shortening the preparation time.
Smart Images

Figure CN223846256U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rectifying tower technical field especially relates to a rectifying tower of fast preheating. BACKGROUND
[0002] Plasticizer is also called plasticizing agent, is a kind of polymer material auxiliary agent, it is phthalate in environmental estrogen, and plasticizer needs to pass through purification and refining in the preparation process, and it needs to use the cooperation between rectifying tower, tower bottom reboiler, tower top condenser and tower top buffer tank etc. in the process. Rectifying tower utilizes the boiling point difference of component at different temperatures, separates the component in mixture;In the rectifying process, mixture is heated to boiling point first, and vapor is generated, then, these vapors are condensed into liquid in tower, and liquid is subjected to vapor-liquid equilibrium and reboiling for multiple times, so that different volatile components can be gradually separated and collected.
[0003] Because rectifying tower needs to reach very high temperature in the preparation process of plasticizing agent, and the temperature of rectifying tower is low when it is just running, it needs to consume long time to reach specified temperature, and the time consumption is long;Therefore, we propose a kind of rectifying tower of fast preheating to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiency of prior art, the utility model provides a kind of rectifying tower of fast preheating to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of rectifying tower of fast preheating, including base, the top side of the base is provided with rectifying tower body, the top and bottom of the rectifying tower body are respectively provided with top ring groove and bottom ring groove, a plurality of shunt grooves are communicated between the top ring groove and bottom ring groove, the base is provided with the oil storage mechanism for bottom ring groove, the top of the rectifying tower body is provided with the oil extraction mechanism for top ring groove, the top of the base is provided with the heating mechanism for oil storage mechanism and oil extraction mechanism.
[0007] Preferably, the top of the rectifying tower body is provided with steam exhaust, the bottom of the rectifying tower body is provided with liquid outlet, to facilitate the normal operation of rectifying tower body.
[0008] Preferably, the plurality of shunt grooves between the top ring groove and bottom ring groove are distributed in circumferential array, to facilitate the uniformly distributed of heated heat conducting oil in rectifying tower body and flow down by the shunt of multiple shunt grooves, the heat of heat conducting oil is conducted to rectifying tower body, to realize preheating treatment in rectifying tower body.
[0009] Preferably, the oil storage mechanism comprises an oil storage tank, a first connecting pipe and a first electric valve, the top side of the base is provided with the oil storage tank, one end of the oil storage tank is connected with the first connecting pipe, the other end of the first connecting pipe is connected with the bottom ring groove, and the first electric valve is arranged on the first connecting pipe.
[0010] Preferably, the oil pumping mechanism comprises a strong pump, a first oil return pipe and a second electric valve, the top of the rectifying tower body is provided with the strong pump, one end of the strong pump liquid outlet is connected with the first oil return pipe, the other end of the first oil return pipe is connected with the top ring groove, and the second electric valve is arranged on the first oil return pipe.
[0011] Preferably, the heating mechanism comprises a heat conducting oil heater, a second connecting pipe and a second oil return pipe, the top side of the base is provided with the heat conducting oil heater, one end of the heat conducting oil heater is connected with the second connecting pipe, the other end of the second connecting pipe is connected with the oil storage tank, one end of the second oil return pipe is connected with the liquid outlet of the heat conducting oil heater, and the other end of the second oil return pipe is connected with the liquid pumping end of the strong pump.
[0012] Preferably, the top side of the base is fixedly provided with a control box, and the control box is electrically connected with the heat conducting oil heater, the first electric valve, the strong pump and the second electric valve.
[0013] Compared with the prior art, the rectifying tower can realize preheating treatment on the rectifying tower body, so that the preparation time of the rectifying tower body before preparing plasticizer is shortened, and the rectifying tower body can quickly reach the working temperature for preparing plasticizer.
[0014] The rectifying tower can realize preheating treatment on the rectifying tower body, so that the preparation time of the rectifying tower body before preparing plasticizer is shortened, and the rectifying tower body can quickly reach the working temperature for preparing plasticizer. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the utility model three-dimensional partial section;
[0016] Figure 2 It is a structure schematic view of the utility model Figure 1 A part of the utility model;
[0017] Figure 3The utility model discloses a plane cross section's structure schematic drawing;
[0018] Figure 4 The utility model discloses an explosion partial cross section's structure schematic drawing.
[0019] In the drawing: 1, base; 2, rectifying tower body; 3, exhaust port; 4, liquid discharge port; 5, top ring groove; 6, bottom ring groove; 7, shunt groove; 8, oil storage tank; 9, first connecting pipe; 10, first electric valve; 11, heat conducting oil heater; 12, second connecting pipe; 13, strong pump; 14, first oil return pipe; 15, second electric valve; 16, second oil return pipe; 17, control box. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the scope of the utility model.
[0021] Referring to Figures 1-4 A rectifying tower's base 1 top side is provided with rectifying tower body 2, and the top and bottom of rectifying tower body 2 are provided with top ring groove 5 and bottom ring groove 6 respectively. A plurality of shunt grooves 7 are arranged in communication between top ring groove 5 and bottom ring groove 6. The base 1 is provided with an oil storage mechanism for the bottom ring groove 6. The oil storage mechanism includes an oil storage tank 8, a first connecting pipe 9 and a first electric valve 10, and the top side of the base 1 is provided with the oil storage tank 8, one end of the first connecting pipe 9 is connected to the oil storage tank 8, the other end of the first connecting pipe 9 is in communication with the bottom ring groove 6, the first electric valve 10 is arranged on the first connecting pipe 9, and the heat conducting oil is stored by the oil storage tank 8. The top of the rectifying tower body 2 is provided with an oil pumping mechanism for the top ring groove 5. The oil pumping mechanism includes a strong pump 13, a first oil return pipe 14 and a second electric valve 15, and the top of the rectifying tower body 2 is provided with the strong pump 13, one end of the first oil return pipe 14 is connected to the liquid outlet end of the strong pump 13, the other end of the first oil return pipe 14 is in communication with the top ring groove 5, and the second electric valve 15 is arranged on the first oil return pipe 14, so that the heated heat conducting oil can be conveniently delivered into the rectifying tower body 2 by the oil pumping mechanism.
[0022] The top of the base 1 is provided with a heating mechanism for the oil storage mechanism and the oil pumping mechanism, and the heating mechanism comprises a heat conducting oil heater 11, a second connecting pipe 12 and a second oil return pipe 16. The top side of the base 1 is provided with the heat conducting oil heater 11, one end of the second connecting pipe 12 is connected to the heat conducting oil heater 11, the other end of the second connecting pipe 12 is communicated with the oil storage tank 8, one end of the second oil return pipe 16 is connected to the liquid outlet of the heat conducting oil heater 11, and the other end of the second oil return pipe 16 is communicated with the liquid pumping end of the strong pump 13. Through the heating mechanism, the heat conducting oil in the oil storage tank 8 is pumped out and heated, and then delivered into the rectifying tower body 2.
[0023] Further, the top of the rectifying tower body 2 is provided with a steam outlet 3, and the bottom of the rectifying tower body 2 is provided with a liquid outlet 4, so as to facilitate the normal operation of the rectifying tower body 2.
[0024] Further, the plurality of distribution grooves 7 between the top ring groove 5 and the bottom ring groove 6 are distributed in a circumferential array, so as to facilitate the heated heat conducting oil to be evenly distributed in the rectifying tower body 2 through the distribution of the plurality of distribution grooves 7 and flow downward, and the heat of the heat conducting oil is conducted to the rectifying tower body 2, so as to realize the preheating treatment of the rectifying tower body 2.
[0025] Further, the top side of the base 1 is fixedly installed with a control box 17, and the control box 17 is electrically connected with the heat conducting oil heater 11, the first electric valve 10, the strong pump 13 and the second electric valve 15. The first electric valve 10, the heat conducting oil heater 11, the strong pump 13 and the second electric valve 15 are started through the control box 17, so as to realize the preheating operation of the rectifying tower body 2.
[0026] In use: before preparing the plasticizer, the first electric valve 10, the heat conducting oil heater 11, the strong pump 13 and the second electric valve 15 are started through the control box 17, so that the heat conducting oil in the oil storage tank 8 is delivered into the heat conducting oil heater 11 through the second connecting pipe 12 for heating. The heat conducting oil heated to a certain temperature enters the top ring groove 5 through the second oil return pipe 16, the strong pump 13 and the first oil return pipe 14, so that the heated heat conducting oil is evenly distributed in the rectifying tower body 2 through the distribution of the plurality of distribution grooves 7 and flows downward. The heat of the heat conducting oil is conducted to the rectifying tower body 2, so as to realize the preheating treatment of the rectifying tower body 2. Then, the heat conducting oil flows back to the oil storage tank 8 through the bottom ring groove 6 and the first connecting pipe 9, so as to realize the heating and circulating delivery of the heat conducting oil in the oil storage tank 8 into the rectifying tower body 2 through the heat conducting oil heater 11 and the preheating treatment of the heat conducting oil, thereby shortening the preparation time of the rectifying tower body 2 before preparing the plasticizer, and enabling the rectifying tower body 2 to quickly reach the working temperature for preparing the plasticizer.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A rectification column that can be rapidly preheated, comprising a base (1), characterized in that, The top side of the base (1) is provided with a rectifying tower body (2), the top and bottom of the rectifying tower body (2) are respectively provided with a top ring groove (5) and a bottom ring groove (6), a plurality of shunt grooves (7) are arranged in communication between the top ring groove (5) and the bottom ring groove (6), the base (1) is provided with an oil storage mechanism for the bottom ring groove (6), the top of the rectifying tower body (2) is provided with an oil pumping mechanism for the top ring groove (5), and the top of the base (1) is provided with a heating mechanism for the oil storage mechanism and the oil pumping mechanism.
2. A preheatable rectification column according to claim 1, characterized in that The top of the rectifying tower body (2) is provided with a steam outlet (3), and the bottom of the rectifying tower body (2) is provided with a liquid outlet (4).
3. A preheatable rectification column according to claim 1, characterized in that The plurality of shunt grooves (7) between the top ring groove (5) and the bottom ring groove (6) are arranged in a circumferential array.
4. A preheatable rectification column according to claim 1, characterized in that The oil storage mechanism comprises an oil storage tank (8), a first connecting pipe (9) and a first electric valve (10), the top side of the base (1) is provided with an oil storage tank (8), one end of the first connecting pipe (9) is connected to the oil storage tank (8), the other end of the first connecting pipe (9) is in communication with the bottom ring groove (6), and the first electric valve (10) is arranged on the first connecting pipe (9).
5. A preheatable rectification column according to claim 1, characterized in that The oil pumping mechanism comprises a powerful pump (13), a first oil return pipe (14) and a second electric valve (15), the top of the rectifying tower body (2) is provided with a powerful pump (13), one end of the first oil return pipe (14) is connected to the liquid outlet end of the powerful pump (13), the other end of the first oil return pipe (14) is in communication with the top ring groove (5), and the second electric valve (15) is arranged on the first oil return pipe (14).
6. A preheatable rectification column according to claim 5, characterized in that The heating mechanism comprises a heat conducting oil heater (11), a second connecting pipe (12) and a second oil return pipe (16), the top side of the base (1) is provided with a heat conducting oil heater (11), one end of the second connecting pipe (12) is connected to the heat conducting oil heater (11), the other end of the second connecting pipe (12) is in communication with the oil storage tank (8), one end of the second oil return pipe (16) is connected to the liquid outlet end of the heat conducting oil heater (11), and the other end of the second oil return pipe (16) is in communication with the liquid suction end of the powerful pump (13).
7. A preheatable rectification column according to claim 6, characterized in that The top side of the base (1) is fixedly provided with a control box (17), and the control box (17) is in electrical connection with the heat conducting oil heater (11), the first electric valve (10), the powerful pump (13) and the second electric valve (15).