Efficient and energy-saving multistage rectifying tower
By designing a spiral section and an electric heating module in a multi-stage distillation tower, the liquid mixture absorbs steam heat and preheates and condenses, solving the problem of insufficient utilization of gas condensation heat in the existing distillation tower, achieving high efficiency and energy saving effect.
Patent Information
- Application Number
- CN202323573024.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-26
AI Technical Summary
The heat emitted by the existing distillation towers during gas condensation cannot be effectively utilized, which makes it difficult to achieve the requirements of energy saving and efficiency.
A high-efficiency and energy-saving multi-stage distillation tower is designed. The liquid mixture circulating inside the spiral section absorbs steam heat and preheates it, and condenses the steam, so that the heat utilization is achieved through the design of the electric heating module and the spiral section.
Preheating of the liquid mixture and condensation of steam is achieved, achieving energy-saving and efficient effects.
Smart Images
Figure CN222173110U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distillation towers, in particular to a high-efficiency and energy-saving multi-stage distillation tower. Background Art
[0002] Distillation is a separation process that uses the different volatilities of components in a mixture to separate them. A distillation tower is a tower-type gas-liquid contact device for distillation. It uses the different volatilities of components in a mixture, that is, the different vapor pressures of components at the same temperature, to transfer the light components in the liquid phase to the gas phase, and the heavy components in the gas phase to the liquid phase, thereby achieving the purpose of separation. The distillation tower is also a mass transfer and heat transfer device that is widely used in petrochemical production.
[0003] In Chinese patent CN219941806U, a high-efficiency and energy-saving petrochemical distillation tower is disclosed, including a distillation tower tank body, a stirring mechanism is arranged above the distillation tower tank body, and a supporting mechanism is arranged below the distillation tower tank body; the stirring mechanism includes a power unit and a stirring unit; the power unit is located above the stirring unit; the power unit includes a double-headed motor, a first rotating rod, a first gear, a second rotating rod and a second gear, and the double-headed motor is located above the distillation tower tank body. Through the stirring mechanism, the second rotating rod, the third rotating rod and the stirring rod rotate to stir the mother liquor inside the distillation tower tank body, increase the stirring area of the mother liquor inside the distillation tower tank body, and achieve full stirring inside the petrochemical distillation tower, thereby increasing the uniform heating rate of the mother liquor inside the distillation tower tank body and reducing the problem of excessive resource consumption of the petrochemical distillation tower. However, the heat emitted by the condensation of the gas in the above patent cannot be used, resulting in it failing to meet the requirements of energy saving and high efficiency. Therefore, it is very necessary to design a high-efficiency and energy-saving multi-stage distillation tower. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high-efficiency and energy-saving multi-stage distillation tower. The liquid mixture flowing inside the spiral section absorbs the heat of steam for preheating, and can condense the steam, so that it can meet the requirements of energy saving and high efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient and energy-saving multi-stage distillation tower, comprising a multi-stage distillation tower body, a filling material layer is arranged inside the multi-stage distillation tower body, a partition is installed above the filling material layer, a drain port is arranged at the bottom of the partition on the multi-stage distillation tower body, an electric heating module is installed on the bottom inner wall of the multi-stage distillation tower body, a feed port is opened on the multi-stage distillation tower body below the filling material layer, and the feed port is connected to a feeding module located above the partition;
[0006] The feeding module comprises a feeding section passing through the bottom of the multi-stage distillation tower body, the feeding section is connected with the spiral section above the partition, and the tail end of the spiral section is connected with the feeding port through the connecting section.
[0007] Preferably, fins are fixed at equal distances on the outer wall of the spiral section.
[0008] Preferably, the outer wall of the connecting section is wrapped with a thermal insulation sleeve.
[0009] Preferably, the electric heating module comprises an electric heating plate fixed to the inner wall of the bottom of the multi-stage distillation tower body, a heat-conducting disc rotates at the top center of the electric heating plate, and heating fans are installed at equal distances on the top of the heat-conducting disc.
[0010] Preferably, a motor is installed at the bottom center of the multi-stage distillation tower body, and the power output end of the motor passes through the electric heating plate and is drivingly connected to the bottom center of the heat-conducting disc.
[0011] The beneficial effects of the utility model are:
[0012] The liquid mixture circulating inside the spiral section absorbs the heat of the steam for preheating and can condense the steam, so that it can achieve energy-saving and high-efficiency requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0014] Figure 1 It is a schematic diagram of the overall planar structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the overall cross-sectional plan structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the plane structure of the spiral section area of the utility model;
[0017] Figure 4 This is a schematic diagram of the planar structure of the electric heating module of the utility model;
[0018] Numbers in the figure: 1. multi-stage distillation tower body; 2. feed inlet; 3. discharge outlet; 4. loading module; 401. feed section; 402. spiral section; 403. connecting section; 404. fin; 5. electric heating module; 501. electric heating plate; 502. motor; 503. heat-conducting disc; 504. heating fan; 6. filling material layer; 7. partition. DETAILED DESCRIPTION
[0019] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.
[0020] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.
[0021] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.
[0022] Embodiment 1
[0023] Depend on Figure 1 , Figure 2 and Figure 3 The utility model provides the following technical solutions: a highly efficient and energy-saving multi-stage distillation tower, comprising a multi-stage distillation tower body 1, a filling material layer 6 is arranged inside the multi-stage distillation tower body 1, a partition 7 is installed above the filling material layer 6, a drain port 3 is arranged at the bottom of the partition 7 on the multi-stage distillation tower body 1, an electric heating module 5 is installed on the bottom inner wall of the multi-stage distillation tower body 1, a feed port 2 is opened on the multi-stage distillation tower body 1 below the filling material layer 6, and the feed port 2 is connected to a feeding module 4 located above the partition 7;
[0024] The feeding module 4 includes a feed section 401 passing through the bottom of the multi-stage distillation tower body 1, the feed section 401 is connected to the spiral section 402 above the partition 7, the tail end of the spiral section 402 is connected to the feed port 2 through the connecting section 403, the liquid mixture enters the interior of the spiral section 402 through the feed section 401, and then enters the interior of the multi-stage distillation tower body 1 through the connecting section 403, the liquid mixture is evaporated by the electric heating module 5, thereby generating liquid mixture evaporation gas, the hot gas moves upward through the filling material layer 6 for purification and distillation, and then enters the top of the partition 7 through the hole opened at the center of the partition 7, the liquid mixture continuously enters through the feed section 401 and circulates inside the spiral section 402, absorbs heat to condense the steam, thereby obtaining the distilled liquid mixture, the distilled liquid mixture flows out through the discharge port 3, the liquid mixture circulating inside the spiral section 402 absorbs the steam heat for preheating, and can condense the steam, so that it can meet the requirements of energy saving and high efficiency.
[0025] Preferably, fins 404 are fixed at equal intervals on the outer wall of the spiral section 402 to increase the contact area between the spiral section 402 and the steam and improve the heat conduction effect.
[0026] Preferably, the outer wall of the connecting section 403 is wrapped with a thermal insulation sleeve to achieve thermal insulation effect.
[0027] Embodiment 2
[0028] Reference Figure 1 , Figure 2 and Figure 4 As another preferred embodiment, the difference from the first embodiment is that the electric heating module 5 includes an electric heating plate 501 fixed to the inner wall of the bottom of the multi-stage distillation tower body 1, a heat-conducting disc 503 rotates at the top center of the electric heating plate 501, and heating fans 504 are installed at equal distances on the top of the heat-conducting disc 503.
[0029] A motor 502 is installed at the bottom center of the multi-stage distillation tower body 1. The power output end of the motor 502 passes through the electric heating plate 501 and is connected to the bottom center of the heat-conducting disc 503. The electric heating plate 501 works to transfer heat to the heat-conducting disc 503, and then transfers heat to the heating fan 504. Then the motor 502 works to drive the heat-conducting disc 503 to rotate, thereby driving the heating fan 504 to stir the liquid mixture and improve the heating efficiency.
[0030] Working principle:
[0031] The liquid mixture enters the interior of the spiral section 402 through the feed section 401, and then enters the interior of the multi-stage distillation tower body 1 through the connecting section 403. The liquid mixture is evaporated by the electric heating module 5 to generate liquid mixture evaporation gas, and the hot gas moves upward through the filling material layer 6 for purification and distillation, and then enters the top of the partition 7 through the hole opened at the center of the partition 7. The liquid mixture continues to enter through the feed section 401 and circulates inside the spiral section 402, absorbing heat to condense the steam, thereby obtaining a distilled liquid mixture, and the distilled liquid mixture flows out through the discharge port 3. The liquid mixture circulating inside the spiral section 402 absorbs the heat of the steam for preheating, and can condense the steam, so that it can meet the requirements of energy saving and high efficiency.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An efficient and energy-saving multi-stage distillation tower, comprising a multi-stage distillation tower body (1), wherein a packing material layer (6) is arranged inside the multi-stage distillation tower body (1), a partition (7) is installed above the packing material layer (6), a drain port (3) is arranged on the multi-stage distillation tower body (1) at the bottom of the partition (7), and an electric heating module (5) is installed on the bottom inner wall of the multi-stage distillation tower body (1), characterized in that: A feed inlet (2) is provided on the tower body (1) of the multi-stage distillation tower below the packing material layer (6), and the feed inlet (2) is connected to a feeding module (4) located above the partition plate (7); The feeding module (4) comprises a feeding section (401) passing through the bottom of the multi-stage distillation tower body (1), the feeding section (401) is connected to the spiral section (402) above the partition (7), and the tail end of the spiral section (402) is connected to the feeding port (2) via a connecting section (403).
2. The high-efficiency and energy-saving multi-stage distillation tower according to claim 1, characterized in that: Fins (404) are fixed at equal intervals on the outer wall of the spiral section (402).
3. The high-efficiency and energy-saving multi-stage distillation tower according to claim 1, characterized in that: The outer wall of the connecting section (403) is wrapped with a thermal insulation sleeve.
4. The high-efficiency and energy-saving multi-stage distillation tower according to claim 1, characterized in that: The electric heating module (5) comprises an electric heating plate (501) fixed to the inner wall of the bottom of the multi-stage distillation tower body (1), a heat-conducting disc (503) is rotated at the top center of the electric heating plate (501), and heating fans (504) are installed at equal distances on the top of the heat-conducting disc (503).
5. The high-efficiency and energy-saving multi-stage distillation tower according to claim 4, characterized in that: A motor (502) is installed at the bottom center of the multi-stage distillation tower body (1), and a power output end of the motor (502) passes through the electric heating plate (501) and is transmission-connected to the bottom center of the heat-conducting disc (503).