Rolling oil rectification device
By setting up a compression pump in the rolling oil distillation device, the gas is heated and pressurized and then transported to the heat exchanger, the problem of large energy consumption during the rolling oil distillation process is solved, and effective energy conservation and efficient utilization of raw materials are achieved.
Patent Information
- Application Number
- CN202420568987.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The energy consumption is large during the rolling oil distillation process, resulting in excessive energy consumption.
A rolling oil distillation device is designed, and the gas on the top of the distillation tower is heated and pressurized by setting up a compression pump to transport it to the heat exchanger, providing heat energy to the heat exchanger, improving the utilization rate of raw materials and saving energy.
Through this device, the energy consumption of the distillation process is reduced, the utilization rate of raw materials is improved, and the effective energy saving is achieved.
Smart Images
Figure CN222566836U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distillation devices, in particular to a rolling oil distillation device. Background Art
[0002] Rolling oil is a lubricant used as a lubricating and cooling medium in the metal rolling process. When metal contacts metal, friction will occur. If the friction is completely eliminated, it will produce undesirable results such as slipping and uneven thickness control of rolled metal. Therefore, the purpose of rolling oil is not to eliminate friction but to control friction to meet the requirements of the rolling mill. High-quality rolling oil helps to extend the service life of the rolls, ensure their wetness and cleanliness, and reduce rolling noise. Therefore, the distillation of rolling oil is very important. Distillation separation is a common material separation technology that uses the different volatility of substances to separate components with higher purity. However, in the distillation separation process, the distillation tower and heat exchanger require a large amount of heat supply, which consumes a lot of energy. Summary of the invention
[0003] In order to overcome the problem of high energy consumption in the rolling oil distillation process, the utility model provides a rolling oil distillation device.
[0004] The utility model provides a rolling oil distillation device adopts the following technical scheme:
[0005] A rolling oil distillation device comprises a distillation tower, a compressor, a heat exchanger, a cooler and a reflux tank, wherein the top and bottom of the distillation tower are respectively provided with a gas outlet and a liquid outlet, and the side wall of the distillation tower is also provided with a feed inlet and a reflux inlet, the compressor is respectively connected to the gas outlet and the heat exchanger by pipelines, the cooler is respectively connected to the gas outlet and the heat exchanger by pipelines, the cooler pipeline is connected to the reflux tank, the liquid outlet is connected to the heat exchanger pipeline, and the heat exchanger pipeline is connected to the reflux inlet.
[0006] By adopting the above technical solution, a compression pump is set up to increase the temperature and pressure of the gas at the top of the distillation tower, and then transport it to the heat exchanger to provide thermal energy for the heat exchanger, thereby achieving the purpose of reducing energy consumption; a part of the liquid in the heat exchanger is volatilized by heat and returns to the distillation tower to participate in distillation, thereby improving the utilization rate of raw materials and further saving energy.
[0007] Preferably, the heat exchanger is provided with a heat transfer material inlet, a heat transfer material outlet, a heat transferred material inlet and a heat transferred material outlet, the compressor pipeline is connected to the heat transfer material inlet of the heat exchanger, the heat transfer material outlet of the heat exchanger is connected to the cooler pipeline, the liquid material outlet is connected to the heat transferred material inlet pipeline of the heat exchanger, and the heat transferred material outlet of the heat exchanger is connected to the reflux pipe.
[0008] Preferably, the rolling oil distillation device further comprises a stirring purification device and an oil pump, and the stirring purification device is connected to the feed port of the distillation tower via the oil pump.
[0009] By adopting the above technical scheme, a stirring and purification device is set up to pre-treat the rolling oil, so that the impurities and pollutants contained in the raw oil are fully reacted with the chemical additives after stirring and then deposited, and the purified rolling oil is pumped to the distillation tower for distillation treatment by an oil pump, thereby improving the treatment efficiency of the distillation tower and avoiding impurities and dirt from entering the distillation tower and causing equipment damage.
[0010] Preferably, a throttle valve is provided on the connecting pipe between the heat transfer material outlet of the heat exchanger and the cooler.
[0011] Preferably, a first flow regulating valve is provided on the connecting pipeline between the gas outlet of the distillation tower and the compressor.
[0012] By adopting the above technical solution, by setting a first flow regulating valve on the connecting pipe between the gas outlet of the distillation tower and the compressor, the gas supply to the compressor can be controlled by adjusting the first flow regulating valve, thereby controlling the heat supply to the heat exchanger to achieve control and adjustment of the temperature of the heat exchanger.
[0013] Preferably, a second flow regulating valve is provided at the connection between the pipeline between the liquid material outlet at the bottom of the distillation tower and the heat transfer material inlet of the heat exchanger.
[0014] By adopting the above technical solution, a second flow regulating valve is provided at the pipe connection between the liquid outlet at the bottom of the distillation tower and the heat transfer material inlet of the heat exchanger, so as to control the supply of liquid in the heat exchanger, thereby avoiding excessive or insufficient supply of liquid in the heat exchanger to affect the heat exchange efficiency, thereby affecting the re-distillation rate of the material.
[0015] In summary, the utility model has the following beneficial effects:
[0016] 1. The utility model is a rolling oil distillation device, which compresses the gas at the top of the distillation tower into high-temperature and high-pressure gas by setting a compression pump, and then transports it to the heat exchanger to provide heat energy for the heat exchanger, thereby achieving the purpose of reducing energy consumption; a part of the liquid in the heat exchanger is volatilized by heat and returns to the distillation tower to participate in distillation, thereby improving the utilization rate of raw materials and further saving energy.
[0017] 2. The utility model is a rolling oil distillation device, which is provided with a stirring purification device for pre-treating the rolling oil, so that the impurities and pollutants contained in the raw oil are fully reacted with the chemical additives after stirring and then deposited, and the purified rolling oil is pumped to Liu Can for distillation treatment through an oil pump, thereby improving the treatment efficiency of the distillation tower and avoiding the impurities and dirt from entering the distillation tower to cause equipment damage.
[0018] 3. A rolling oil distillation device of the utility model is configured to provide a first flow regulating valve on the connecting pipe between the gas outlet of the distillation tower and the compressor. The gas supply to the compressor can be controlled by adjusting the first flow regulating valve, thereby controlling the heat supply to the heat exchanger to achieve control and regulation of the temperature of the heat exchanger. A second flow regulating valve is provided at the pipe connection between the liquid outlet at the bottom of the distillation tower and the heat transfer material inlet of the heat exchanger, so as to control the supply of liquid in the heat exchanger and avoid excessive or insufficient supply of liquid in the heat exchanger, which affects the heat exchange efficiency and further affects the re-distillation rate of the material. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of a rolling oil distillation device of the utility model;
[0020] Figure 2 It is a schematic diagram of the distillation tower and heat exchanger and their connections of the utility model.
[0021] Explanation of the reference numerals in the drawings: 1. distillation tower; 11. gas outlet; 12. liquid outlet; 13. feed port; 14. reflux port; 2. compressor; 3. heat exchanger; 31. heat transfer material inlet; 32. heat transfer material outlet; 33. heat transferred material inlet; 34. heat transferred material outlet; 4. cooler; 5. reflux tank; 6. stirring and purification device; 7. oil pump; 8. throttle valve; 9. first flow regulating valve; 10. second flow regulating valve. DETAILED DESCRIPTION
[0022] The following is combined with Figure 1-Figure 2 The utility model is described in further detail.
[0023] This embodiment discloses a rolling oil distillation device. Figure 1-Figure 2, including a distillation tower 1, a compressor 2, a heat exchanger 3, a cooler 4 and a reflux tank 5. The distillation tower 1 is the main equipment for distillation of rolling oil. The top and bottom of the tower are respectively provided with a gas outlet 11 and a liquid outlet 12. The distillation tower 1 is also provided with a feed inlet 13 and a reflux port 14. The compressor 2 is connected with the gas outlet 11 by a pipeline. The compressor 2 sucks and compresses the high-temperature gas in the distillation tower 1 to increase the pressure and temperature of the gas. The heat exchanger 3 is provided with a heat transfer material inlet 31, a heat transfer material outlet 32, a heat transferred material inlet 33 and a heat transferred material outlet 34. The compressor 2 pipeline is connected with the heat transfer material inlet 31 of the heat exchanger 3 to provide heat energy for the heat exchanger 3. The liquid material outlet 12 is connected to the heat transfer material inlet 33 of the heat exchanger 3 by a pipeline, and the heat transfer material outlet 34 of the heat exchanger 3 is connected to the reflux port 14 of the distillation tower 1 by a pipeline, that is, the low-temperature liquid material at the bottom of the distillation tower 1 is further heated and evaporated in the heat exchanger 3, and the evaporated gas returns to the distillation tower 1 to participate in distillation, thereby improving the material utilization rate. The heat transfer material outlet 32 of the heat exchanger 3 is connected to the cooler 4 by a pipeline, and the gas heated and pressurized by the compressor 2 provides heat for the heat exchanger 3, and then enters the cooler 4 through the heat transfer material outlet 32. The cooler 4 is respectively connected to the gas outlet 11 and the heat exchanger 3 by pipelines, and the cooler 4 is connected to the reflux tank 5 by a pipeline, and the distilled material finally enters the reflux tank 5.
[0024] Among them, Figure 1-Figure 2 As shown, a rolling oil distillation device also includes a stirring purification device 6 and an oil pump 7. The stirring purification device 6 is connected to the feed port 13 of the distillation tower 1 through the oil pump 7, so that impurities and pollutants contained in the raw oil and chemical additives are stirred and fully reacted in the stirring purification device 6 and then deposited. The purified rolling oil is transported to the distillation tower 1 for distillation treatment through the oil pump 7, thereby improving the treatment efficiency of the distillation tower 1.
[0025] Among them, Figure 1-Figure 2 As shown, a throttle valve 8 is provided on the connecting pipe between the heat transfer material outlet 32 of the heat exchanger 3 and the cooler 4 to reduce the pressure of the gas, so that it becomes low temperature and low pressure again, and is finally collected and stored in the reflux tank 5; a first flow regulating valve 9 is provided on the connecting pipe between the gas outlet 11 of the distillation tower 1 and the compressor 2, that is, the gas supply to the compressor 2 can be controlled by adjusting the first flow regulating valve 9, thereby controlling the heat supply to the heat exchanger 3 to achieve control and regulation of the temperature of the heat exchanger 3; a second flow regulating valve 10 is provided at the pipe connection between the liquid material outlet 12 at the bottom of the distillation tower 1 and the heat transfer material inlet 33 of the heat exchanger 3 to control the supply of liquid material in the heat exchanger 3 to avoid excessive or insufficient supply of liquid material in the heat exchanger 3 affecting the heat exchange efficiency.
[0026] The working principle of this embodiment is as follows: after the raw oil and the chemical additives are fully mixed, stirred and reacted in the stirring and purifying device 6, impurities are precipitated and deposited, the purified oil is pumped to the distillation tower 1 by the oil pump 7 for distillation, the material in the distillation tower 1 is heated, a part of the top gas is directly cooled by the cooler 4 and then transported to the reflux tank 5, and the other part is heated and pressurized by the compressor 2 and then transported to the heat transfer material inlet 31 of the heat exchanger 3 as a heat source, and the gas supply to the compressor 2 is controlled by adjusting the first flow regulating valve 9, thereby controlling the heat supply to the heat exchanger 3, so as to achieve Temperature control and regulation of the heat exchanger 3; part of the liquid at the bottom of the distillation tower 1 is directly output as a product, and the other part is transported from the liquid outlet 12 to the heat transfer material inlet 33 of the heat exchanger 3, evaporated through heat exchange, and then returned to the reflux port 14 of the distillation tower 1 through the heat transfer material outlet 34 to further participate in distillation. The supply of liquid in the heat exchanger 3 is controlled by adjusting the second flow regulating valve 10 to avoid excessive or insufficient supply of liquid in the heat exchanger 3 affecting the heat exchange efficiency; and the high-temperature and high-pressure medium serving as the heat source of the heat exchanger 3 is also transported to the reflux tank 5 from the heat transfer material outlet 32 after being cooled by the cooler 4.
[0027] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A rolling oil distillation device, characterized in that: The invention comprises a distillation tower (1), a compressor (2), a heat exchanger (3), a cooler (4) and a reflux tank (5). The top and bottom of the distillation tower (1) are respectively provided with a gas outlet (11) and a liquid outlet (12). The side wall of the distillation tower (1) is also provided with a feed inlet (13) and a reflux port (14). The compressor (2) is respectively connected to the gas outlet (11) and the heat exchanger (3) by pipelines. The cooler (4) is respectively connected to the gas outlet (11) and the heat exchanger (3) by pipelines. The cooler (4) is connected to the reflux tank (5) by pipeline. The liquid outlet (12) is connected to the heat exchanger (3) by pipeline. The heat exchanger (3) is connected to the reflux port (14) by pipeline.
2. A rolling oil distillation device according to claim 1, characterized in that: The heat exchanger (3) is provided with a heat transfer material inlet (31), a heat transfer material outlet (32), a heat transferred material inlet (33) and a heat transferred material outlet (34); the compressor (2) pipeline is connected to the heat transfer material inlet (31) of the heat exchanger (3); the heat transfer material outlet (32) of the heat exchanger (3) is connected to the cooler (4) pipeline; the liquid material outlet (12) is connected to the heat transferred material inlet (33) pipeline of the heat exchanger (3); and the heat transferred material outlet (34) of the heat exchanger (3) is connected to the reflux port (14) pipeline.
3. A rolling oil distillation device according to claim 1, characterized in that: It also comprises a stirring and purifying device (6) and an oil pump (7), wherein the stirring and purifying device (6) is connected to the feed inlet (13) of the distillation tower (1) via the oil pump (7).
4. A rolling oil distillation device according to claim 2, characterized in that: A throttle valve (8) is provided on the connecting pipe between the heat transfer material outlet (32) of the heat exchanger (3) and the cooler (4).
5. A rolling oil distillation device according to claim 1, characterized in that: A first flow regulating valve (9) is provided on the connecting pipeline between the gas outlet (11) of the distillation tower (1) and the compressor (2).
6. A rolling oil distillation device according to claim 2, characterized in that: A second flow regulating valve (10) is provided at the connection point between the pipeline of the liquid material outlet (12) at the bottom of the distillation tower (1) and the heat transfer material inlet (33) of the heat exchanger (3).