CN211987143U - Energy-saving benzene drying and dewatering system - Google Patents
Energy-saving benzene drying and dewatering system Download PDFInfo
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- CN211987143U CN211987143U CN201922429247.6U CN201922429247U CN211987143U CN 211987143 U CN211987143 U CN 211987143U CN 201922429247 U CN201922429247 U CN 201922429247U CN 211987143 U CN211987143 U CN 211987143U
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Abstract
The utility model relates to an energy-conserving benzene drying and dewatering system, including drying tower, first heat exchanger, second heat exchanger and valve, the lateral wall upper end of drying tower is provided with the feed inlet, and the top of the tower is provided with benzene water azeotrope export, is provided with the export of dry benzene at the bottom of the tower, the lower extreme and first heat exchanger and the second heat exchanger of tower lateral wall, and first heat exchanger and second heat exchanger are parallelly connected, all are provided with heat source supply valve on first heat exchanger and the second heat exchanger, and the heat source of first heat exchanger is hot oil, and the heat source of second heat exchanger is the high temperature alkalene who comes from the stripping tower. The heat source inlet and outlet valve is connected with the automatic control device, the first heat exchanger and the second heat exchanger are both provided with temperature sensors, and the temperature sensors are both electrically connected with the automatic control device. The utility model provides a benzene drying system has utilized the heat energy of the reaction release of other workshop sections well, has saved the energy. And an automatic control device is also used for controlling the heat source supply valve, so that the aims of accurate control, time saving and labor saving can be achieved.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to energy-conserving benzene drying and dewatering system.
Background
Benzene drying requires a large amount of heat to heat, typically using hot oil. However, in the whole operation section, the energy released by other reaction heat-generating sections can not be effectively utilized, thereby causing great energy waste. In the production process, the manual adjustment of the valve is time-consuming and labor-consuming, and the valve cannot be adjusted in time according to the temperature of the fluid, so that the energy cannot be effectively utilized. Therefore, there is a need to design a benzene drying system that is efficient and energy efficient.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides an energy-conserving benzene drying and dewatering system, specific technical scheme is as follows:
the utility model provides an energy-conserving benzene drying and dewatering system, includes drying tower, first heat exchanger, second heat exchanger and valve, the lateral wall upper end of drying tower be provided with the feed inlet, the top of the tower is provided with benzene water azeotrope export, is provided with the dry benzene export at the bottom of the tower, the lower extreme and first heat exchanger and second heat exchanger of tower lateral wall, first heat exchanger and second heat exchanger are parallelly connected, all be provided with heat source supply valve on first heat exchanger and the second heat exchanger, the heat source of first heat exchanger be hot oil, the heat source of second heat exchanger be the high temperature alkane olefin who comes from the stripping tower.
Furthermore, the heat source supply valve is connected with an automatic control device, temperature sensors are mounted on the first heat exchanger and the second heat exchanger, and the temperature sensors are electrically connected with the automatic control device. When the temperature of the high-temperature alkane and olefin in the stripping tower reaches a set value, the automatic control device automatically closes the hot oil inlet and outlet valve, opens the high-temperature alkane and olefin inlet and outlet valve, and takes the high-temperature alkane and olefin as a heat source to heat the wet benzene.
Furthermore, the drying tower is a sieve plate tower, and a liquid distributor is installed in the sieve plate tower.
Further, the first heat exchanger and the second heat exchanger are both siphon reboilers.
Furthermore, the automatic control device is provided with a display screen and a wireless receiving device, and is connected with the electronic monitoring equipment installed in the office through the wireless receiving device, so that remote control is realized.
The utility model has the advantages that: the utility model provides a benzene drying system has utilized the heat energy of the reaction release of other workshop sections well, has saved the energy, has the advantage of economy saving. The utility model discloses in still used automatic control device control heat source supply valve, can reach accurate control, labour saving and time saving's purpose.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving benzene drying and dewatering system according to an embodiment of the present invention.
The system comprises a drying tower 1, a first heat exchanger 2, a second heat exchanger 3, a heat source supply valve 4, an automatic control device 5, a temperature sensor 6, a display screen 7 and a wireless receiving device 8.
The specific implementation mode is as follows:
in order to deepen understanding of the present invention, the following detailed description is made on the embodiments of the present invention with reference to the accompanying drawings.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
Examples
With reference to figure 1 of the drawings,
the utility model provides an energy-conserving benzene drying and dewatering system, including drying tower 1, first heat exchanger 2, 3 wares in second heat transfer and heat source supply valve 4, the lateral wall upper end of drying tower 1 is provided with the feed inlet, the top of the tower is provided with benzene water azeotrope export, be provided with the dry benzene export at the bottom of the tower, the lower extreme and first heat exchanger 2 and the second heat exchanger 3 of tower lateral wall, first heat exchanger 2 and second heat exchanger 3 are parallelly connected, all be provided with heat source supply valve 4 on first heat exchanger 2 and the second heat exchanger 3, the heat source of first heat exchanger 2 is hot oil, the heat source of second heat exchanger 3 is the high temperature alkane that comes from the stripping tower.
Further, the heat source supply valve 4 is connected with an automatic control device 5, temperature sensors 6 are mounted on the first heat exchanger 2 and the second heat exchanger 3, and the temperature sensors 6 are electrically connected with the automatic control device 5. When the temperature of the high-temperature alkane and olefin in the stripping tower reaches a set value, the automatic control device 5 automatically closes the hot oil inlet and outlet valve, opens the high-temperature alkane and olefin inlet and outlet valve, and takes the high-temperature alkane and olefin as a heat source to heat the wet benzene.
Further, the drying tower 1 is a sieve plate tower, and a liquid distributor is arranged in the sieve plate tower.
Further, the first heat exchanger 2 and the second heat exchanger 3 are both siphon reboilers.
Furthermore, the automatic control device 5 is provided with a display screen 7 and a wireless receiving device 8, and is connected with the electronic monitoring equipment installed in the office through the wireless receiving device 8, so that remote control is realized.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (5)
1. The energy-saving benzene drying and dehydrating system is characterized by comprising a drying tower, a first heat exchanger, a second heat exchanger and a valve, wherein a feed inlet is formed in the upper end of the side wall of the drying tower, a benzene-water azeotrope outlet is formed in the top of the drying tower, a dry benzene outlet is formed in the bottom of the drying tower, the lower end of the side wall of the drying tower is connected with the first heat exchanger and the second heat exchanger in parallel, heat source supply valves are arranged on the first heat exchanger and the second heat exchanger respectively, the heat source of the first heat exchanger is hot oil, and the heat source of the second heat exchanger is high-temperature alkane from a stripping tower.
2. The drying and dewatering system of claim 1, wherein the heat source supply valve is connected to an automatic control device, and the first heat exchanger and the second heat exchanger are each provided with a temperature sensor, and the temperature sensors are each electrically connected to the automatic control device.
3. The system of claim 1, wherein the drying tower is a tray tower having a liquid distributor mounted therein.
4. The dry dewatering system of claim 1, wherein the first heat exchanger and the second heat exchanger are both siphon reboilers.
5. The drying and dewatering system according to claim 2, wherein the automatic control device is provided with a display screen and a wireless receiving device, and is connected with an electronic monitoring device installed in an office through the wireless receiving device to realize remote control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922429247.6U CN211987143U (en) | 2019-12-30 | 2019-12-30 | Energy-saving benzene drying and dewatering system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922429247.6U CN211987143U (en) | 2019-12-30 | 2019-12-30 | Energy-saving benzene drying and dewatering system |
Publications (1)
Publication Number | Publication Date |
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CN211987143U true CN211987143U (en) | 2020-11-24 |
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Family Applications (1)
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CN201922429247.6U Active CN211987143U (en) | 2019-12-30 | 2019-12-30 | Energy-saving benzene drying and dewatering system |
Country Status (1)
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CN (1) | CN211987143U (en) |
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2019
- 2019-12-30 CN CN201922429247.6U patent/CN211987143U/en active Active
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