Efficient and energy-saving rectifying tower condensing device
By introducing components such as a condensation system, cold trap, reflux tank, steam compressor, and reboiler into the condensation unit of the distillation column, and recycling cooling water and steam, the problem of heat energy loss from the top gas of the column is solved, achieving high efficiency and energy saving.
Patent Information
- Application Number
- CN202423189737.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing distillation column condensation units suffer from heat loss of overhead gas.
A highly efficient and energy-saving structure was designed, which includes a condensation system, a cold trap, a reflux tank, a steam compressor, a reboiler, and a water supply tank. By recycling cooling water and steam, heat loss is reduced and the cooling water can be reused.
It enables the recycling of cooling water, reduces cooling water consumption and heat loss, and achieves high efficiency and energy saving.
Smart Images
Figure CN223586593U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rectifying column condensing equipment technical field especially relates to a kind of high-efficiency energy-saving rectifying column condensing device. BACKGROUND
[0002] Rectifying column condensing device is an important equipment for rectification treatment, and the main role is to cool the vapor mixture in rectifying column into liquid and collect, and rectifying column is very important equipment in chemical production process, and its condensing device is crucial for the efficient energy saving of equipment.
[0003] The current rectifying column condensing device is usually composed of condenser and cooling water system, but the inventor gradually found in practical application that the problem of heat energy loss of traditional rectifying column overhead gas, therefore, we propose a kind of high-efficiency energy-saving rectifying column condensing device. UTILITY MODEL CONTENT
[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon, and after a lot of creative labor, the present utility model has been completed.
[0005] Specifically, the technical problem to be solved by the present utility model is to provide a kind of high-efficiency energy-saving rectifying column condensing device to solve the technical problem of heat energy loss of the current rectifying column overhead gas.
[0006] To solve the above technical problems, the present utility model provides the following technical solutions:
[0007] A kind of high-efficiency energy-saving rectifying column condensing device, including rectifying column, condensing system is installed on the top of the rectifying column, cold trap is installed on the condensing system, reflux tank is installed on the cold trap, steam compressor is installed on one outlet of the reflux tank, reboiler is installed at the bottom of the rectifying column, the reboiler is communicated with the steam compressor;
[0008] Water supply tank is installed on the other outlet of the reflux tank, the water supply tank is communicated with the rectifying column by pipeline, the water supply tank is communicated with the reboiler, pressurizing pump is installed on the water supply tank, the pressurizing pump is communicated with the condensing system and the cold trap by two-way pipeline.
[0009] As an improved technical solution, the outer surface of the rectifying column is provided with feed inlet, the top of the rectifying column has gas phase outlet, the rectifying column is communicated with the condensing system through gas phase outlet.
[0010] As an improved technical solution, first solenoid valve is installed on one outlet of the reflux tank.
[0011] Second solenoid valve is installed on the other outlet of the reflux tank.
[0012] As an improved technical solution, the bottom of the rectifying tower is provided with a reflux pipeline, and the rectifying tower is communicated with the reboiler through the reflux pipeline.
[0013] As an improved technical solution, the reboiler is provided with a steam interface, and the third electromagnetic valve is installed on the steam interface.
[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:
[0015] 1. According to the present application, the gaseous mixture is cooled into liquid water by the condensing system and the cold trap through the overhead gas phase outlet of the rectifying tower, and then the liquid water enters the reflux tank through an outlet of the reflux tank, and enters the steam compressor and is converted into steam to enter the reboiler as a heat source to heat and rectify the material in the reboiler, and the water vapor after heat exchange is converted into liquid water to enter the water supply tank for recycling, and the steam discharged through the steam interface can also be used as a heat source, so that the loss of gas heat energy can be reduced, and the gas heat energy can be converted into a heat source.
[0016] 2. According to the present application, the gaseous mixture is cooled into liquid water by the condensing system and the cold trap through the overhead gas phase outlet of the rectifying tower, and then the liquid water enters the reflux tank through an outlet of the reflux tank, and enters the water supply tank, and is then divided by the pressurizing pump to the condensing system and the cold trap for use, and can also be used by the rectifying tower, so that the cooling water can be recycled to reduce the amount of cooling water, and the effect of high efficiency and energy saving can be achieved, so that the cooling water can be recycled to reduce the amount of cooling water, and the effect of high efficiency and energy saving can be achieved. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor. Among them:
[0018] Figure 1 It is the overall flow structure schematic diagram of the high-efficiency and energy-saving rectifying tower condensing device of the present application.
[0019] Figure 2 It is the overall structure schematic diagram of the high-efficiency and energy-saving rectifying tower condensing device of the present application.
[0020] Figure 3 It is the overall structure schematic diagram of the high-efficiency and energy-saving rectifying tower condensing device of the present application.
[0021] MARKED DESCRIPTION OF DRAWINGS:
[0022] In the figure: 1, rectifying column; 2, condensing system; 3, cold trap; 4, reflux tank; 5, vapor compressor; 6, reboiler; 7, water supply tank; 8, pressure pump; 9, feed inlet; 10, first electromagnetic valve; 11, second electromagnetic valve; 12, reflux pipeline; 13, steam interface; 14, third electromagnetic valve. DETAILED DESCRIPTION
[0023] 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.
[0024] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0025] Meanwhile, "and / or" or "and / or" appearing throughout the text means that three solutions are included, taking "A and / or B" as an example, including A solution, or B solution, or A and B solutions are satisfied at the same time.
[0026] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.
[0027] Reference Figure 1-3, provide a high efficiency energy-saving rectifying column condensing device, this high efficiency energy-saving rectifying column condensing device includes, rectifying column 1, the top of rectifying column 1 is equipped with condensing system 2, condensing system 2 is equipped with cold trap 3, cold trap 3 is equipped with reflux tank 4, one outlet of reflux tank 4 is equipped with steam compressor 5, the bottom of rectifying column 1 is equipped with reboiler 6, reboiler 6 is communicated with steam compressor 5, in application, by the top gas phase outlet of rectifying column 1, the gaseous mixture is cooled into liquid water by condensing system 2 and cold trap 3 and enters reflux tank 4, then liquid water enters steam compressor 5 through one outlet of reflux tank 4, and is converted into steam by steam compressor 5 and enters reboiler 6 as heat source to heat the material in reboiler 6 for rectification, while the heat-exchanged water vapor becomes liquid water again and enters water supply tank 7 for recycling, so that the loss of gas heat energy can be reduced, and the gas heat energy is converted into heat source;
[0028] Another outlet of reflux tank 4 is equipped with water supply tank 7, water supply tank 7 is communicated with rectifying column 1 through pipeline, water supply tank 7 is communicated with reboiler 6, water supply tank 7 is equipped with pressurizing pump 8, pressurizing pump 8 is communicated with condensing system 2 and cold trap 3 through two-way pipeline, in application, another outlet of reflux tank 4 enters water supply tank 7, then is shunted to condensing system 2 and cold trap 3 by pressurizing pump 8 for use, and can be used by rectifying column 1, so that the cooling water can be recycled to reduce the amount of cooling water and achieve the effect of high efficiency and energy saving.
[0029] Referring to Figure 2 And Figure 3 , the outer surface of rectifying column 1 is provided with feed inlet 9, the top of rectifying column 1 has gas phase outlet and material gas heat exchanger (not shown in the figure), the material reflux port of material gas heat exchanger is communicated with rectifying column 1, and rectifying column 1 is communicated with condensing system 2 through gas phase outlet, so as to cool the gaseous mixture.
[0030] Referring to Figure 2 , one outlet of reflux tank 4 is equipped with first electromagnetic valve 10;
[0031] Another outlet of reflux tank 4 is equipped with second electromagnetic valve 11, so as to control the flow direction of water in reflux tank 4.
[0032] Referring to Figure 2 And Figure 3 , the bottom of rectifying column 1 has reflux pipeline 12, and rectifying column 1 is communicated with reboiler 6 through reflux pipeline 12, so as to improve the reflux rate in rectifying column 1, thereby improving the separation efficiency of distillate.
[0033] Referring to Figure 2 And Figure 3The reboiler 6 is provided with a steam interface 13, and the third electromagnetic valve 14 is installed on the steam interface 13, so as to control the flow direction of steam as a heat source.
[0034] In actual use, the gaseous mixture is cooled into liquid water by the condensing system 2 and the cold trap 3 through the overhead gas phase outlet of the rectification tower 1, and then enters the reflux tank 4, and then the liquid water enters the steam compressor 5 through an outlet of the reflux tank 4, and is converted into steam by the steam compressor 5, and then enters the reboiler 6 as a heat source to heat and rectify the material in the reboiler 6, and the water vapor after heat exchange becomes liquid water again and enters the water supply tank 7 for recycling, and the steam discharged through the steam interface 13 can also be used as a heat source to reduce the loss of gas heat energy and convert it into a heat source. During this period, the liquid water also enters the water supply tank 7 through another outlet of the reflux tank 4, and then is divided into two parts by the pressurizing pump 8 to be used by the condensing system 2 and the cold trap 3, and can also be used by the rectification tower 1, so that the cooling water can be recycled to reduce the amount of cooling water used and achieve the effect of high efficiency and energy saving. Thus, the cooling water can be recycled to reduce the amount of cooling water used, and the loss of gas heat energy can be reduced, and the gas heat energy can be converted into a heat source. The device not only can recycle the cooling water to reduce the amount of cooling water used, but also can reduce the loss of gas heat energy and convert it into a heat source.
[0035] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.
Claims
1. A high-efficiency and energy-saving distillation column condensation device, characterized in that: The application relates to a distillation column (1) provided with a condensing system (2) at the top of the column, a cold trap (3) on the condensing system (2), a reflux tank (4) on the cold trap (3), a steam compressor (5) on one outlet of the reflux tank (4), a reboiler (6) on the bottom of the distillation column (1) and in communication with the steam compressor (5); A water supply tank (7) is installed on the other outlet of the reflux tank (4) and is in communication with the distillation column (1) and the reboiler (6) through pipelines, and a pressurizing pump (8) is installed on the water supply tank (7) and is in communication with the condensing system (2) and the cold trap (3) through a two-way pipeline.
2. The high efficiency energy saving rectifying column condensing apparatus as claimed in claim 1, wherein: An inlet (9) is arranged on the outer surface of the distillation column (1), the top of the distillation column (1) is provided with a gas phase outlet, and the distillation column (1) is in communication with the condensing system (2) through the gas phase outlet.
3. The energy efficient rectifying column condensing apparatus as claimed in claim 1, wherein: A first electromagnetic valve (10) is installed on one outlet of the reflux tank (4). A second electromagnetic valve (11) is installed on the other outlet of the reflux tank (4).
4. The energy efficient rectifying column condensing apparatus as claimed in claim 1, wherein: The bottom of the distillation column (1) is provided with a reflux pipeline (12), and the distillation column (1) is in communication with the reboiler (6) through the reflux pipeline (12).
5. The energy efficient rectifying column condensing apparatus as claimed in claim 1, wherein: A steam interface (13) is arranged on the reboiler (6), and a third electromagnetic valve (14) is installed on the steam interface (13).