CN218306166U - Steam energy-saving and efficiency-increasing system of reboiler - Google Patents
Steam energy-saving and efficiency-increasing system of reboiler Download PDFInfo
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- CN218306166U CN218306166U CN202222533278.8U CN202222533278U CN218306166U CN 218306166 U CN218306166 U CN 218306166U CN 202222533278 U CN202222533278 U CN 202222533278U CN 218306166 U CN218306166 U CN 218306166U
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Abstract
The utility model provides a reboiler steam energy-conserving increase system, it includes: the system comprises a reboiler, a steam control valve bank, a dewatering station, flash evaporation equipment, a drainage unit, a pressure lifting and controlling unit, a steam quality lifting unit and an automatic air discharging device. The inlet of the reboiler is connected with the steam control valve group and the automatic air exhaust device, and the outlet of the reboiler is connected with the drainage station; the inlet of the steam control valve group is connected with the pressure lifting and controlling unit; the outlet of the hydrophobic station is connected to a flash device; the outlet of the flash evaporation equipment is communicated with the pressure lifting and controlling unit and the drainage unit; the inlet of the pressure lifting and control unit is connected with the steam quality lifting unit; the steam quality improving unit is communicated with the steam source. The utility model provides high reboiler production efficiency reduces its steam consumption, reaches energy saving and emission reduction effect to extension reboiler life.
Description
Technical Field
The utility model discloses a reboiler steam energy-conserving increase system belongs to steam energy-conserving technique and equipment field.
Background
The distillation process is the most mature and widely applied separation technology in the process industry, is far more applied than any other separation technology in the industry, is the first choice general separation technology in the large-scale process industry, and is particularly widely applied to the industries of chemical industry, petrifaction, oil refining and the like. The reboiler is the equipment of material heating for the distillation column bottom through steam in the distillation process, and steam gets into the reboiler through reboiler entry control valve, becomes the condensate water behind the exothermic heating material, and the condensate water is discharged through hydrophobic station. The distillation process belongs to an inefficient energy-consuming process in thermodynamics, in the process, the steam consumption of a reboiler is large, steam leakage and even direct discharge of a water drainage station are frequent, and a steam-water mixture discharged from the reboiler is discharged in a large amount in a white steam mode, so that energy waste is caused. In addition, when the water content of the steam supply is large or the steam is superheated, the heating efficiency and the production efficiency of the reboiler are reduced, and the service life of the equipment is shortened. In summary, the reboiler generally has large steam waste and low production efficiency at present, and then carbon emission and emission of other pollutants are increased.
Disclosure of Invention
In order to solve the existing problem, the utility model aims to provide a reboiler steam energy-saving synergistic system.
The utility model discloses a realize through following technical scheme: the reboiler steam energy saving synergy system includes: the system comprises a reboiler 1, a steam control valve group 2, a dewatering station 3, a flash evaporation device 4, a drainage unit 5, a pressure lifting and control unit 6, a steam quality lifting unit 7 and an automatic air discharging device 8. A steam inlet of the reboiler 1 is connected with a steam control valve group 2 and an automatic air discharging device 8, and a condensed water outlet is connected with a drainage station 3; the inlet of the steam control valve group 2 is connected with the pressure lifting and controlling unit 6, and the outlet is communicated with the reboiler 1 and the automatic air discharging device 8; the inlet of the hydrophobic station 3 is connected with the reboiler 1, and the outlet is connected with the flash evaporation equipment 4; an inlet of the flash evaporation equipment 4 is connected with the drainage station 3, an outlet at the top is connected with the pressure lifting and controlling unit 6, and an outlet at the bottom is connected with the drainage unit 5; the high-pressure inlet of the pressure lifting and control unit 6 is communicated with the steam quality lifting unit 7, the low-pressure inlet is connected with the flash evaporation equipment 4, and the outlet is connected with the steam control valve group 2; the inlet of the drainage unit 5 is connected with the flash evaporation equipment 4, and the outlet is communicated with an external condensate water recovery pipeline or a water tank; the inlet of the steam quality improving unit 7 is communicated with a steam source, and the outlet is connected to the pressure improving and controlling unit 6; the inlet of the automatic air discharging device 8 is communicated with the reboiler 1, and the outlet is connected with an external discharging pipe or directly discharged outwards.
The pressure lifting and controlling unit 6 mainly comprises a steam jet pump, a steam filter, a steam stop valve, a pressure sensor, a pressure controller, a matched valve, a pipe fitting and the like. A steam stop valve and a steam filter are arranged in front of a high-pressure inlet of the steam jet pump to form a high-pressure inlet of the pressure lifting and controlling unit 6; a low-pressure inlet of the steam jet pump is provided with a pipeline and a steam stop valve and becomes a low-pressure inlet of the pressure lifting and controlling unit 6; the outlet of the steam jet pump is connected to a pipe, which forms the outlet pipe of the pressure raising and control unit 6, and a pressure sensor is mounted on this pipe. The pressure controller controls the action of the steam jet pump to realize the control of the outlet pressure of the pressure lifting and controlling unit 6.
The steam quality improving unit 7 mainly comprises steam-water separation equipment, a drain valve and a matched valve. The inlet of the steam-water separation device is connected with a steam source, the outlet of the steam-water separation device is communicated with the pressure lifting and control unit 6, the bottom of the steam-water separation device is connected with a drain valve and a matched valve, and the downstream of the drain valve and the matched valve is connected with an external drainage condensed water pipeline.
As a variation of the utility model, when the steam source is superheated steam, the steam quality improving unit 7 is removed, and the steam cooling system is additionally arranged.
The utility model discloses a benefit is: 1. the heat exchange efficiency and the production efficiency of the reboiler are improved; 2. the steam heat energy utilization efficiency is improved, and energy conservation and emission reduction are realized; 3. the service life of the equipment is prolonged, the maintenance rate is reduced, and the operating cost is reduced.
Drawings
Figure 1 shows the utility model discloses reboiler steam energy-saving synergistic system
In the figure: 1-a reboiler; 2-steam control valve group, 3-dewatering station; 4-flash evaporation equipment; 5-a drainage unit; 6-a pressure raising and control unit; 7-steam quality improving unit; 8-automatic air removal device.
Detailed Description
The utility model provides a reboiler steam energy-conserving increase system, include: the system comprises a reboiler 1, a steam control valve group 2, a dewatering station 3, a flash evaporation device 4, a drainage unit 5, a pressure lifting and control unit 6, a steam quality lifting unit 7 and an automatic air exhaust device 8. A steam inlet of the reboiler 1 is connected with an outlet of the steam control valve group 2 and is also connected with an inlet of the automatic air exhaust device 8, and a condensed water outlet of the reboiler 1 is connected with the drainage station 3; the inlet of the steam control valve group 2 is connected with the outlet of the pressure lifting and control unit 6, and the outlet is connected with the steam inlet of the reboiler 1 and also communicated with the automatic air exhausting device 8; the inlet of the hydrophobic station 3 is communicated with the condensed water outlet of the reboiler 1, and the outlet is connected to the inlet of the flash evaporation equipment 4; the inlet of the flash evaporation equipment 4 is connected with the drainage station 3, the outlet at the top is communicated with the pressure lifting and controlling unit 6, and the outlet at the bottom is connected with the drainage unit 5; an inlet of the drainage unit 5 is connected with an outlet at the bottom of the flash evaporation equipment 4, and an outlet is communicated with an external condensed water recovery pipeline or a water tank; the pressure raising and control unit 6 comprises a steam jet pump, the two inlets and one outlet of which correspond to the three ports of the jet pump. A steam stop valve and a steam filter are arranged on a high-pressure inlet of the steam jet pump to form a high-pressure inlet of the pressure lifting and controlling unit 6, and the high-pressure inlet is connected with an outlet of the steam quality lifting unit 7. A steam stop valve is arranged on a low-pressure inlet of the steam jet pump to form a low-pressure inlet of a pressure lifting and controlling unit 6, and the low-pressure inlet is communicated with the flash evaporation equipment 4. The outlet of the steam jet pump is the outlet of the pressure lifting and controlling unit 6, and is connected with the steam control valve group 2, and the outlet pipeline is provided with a pressure sensor; the inlet of the steam quality improving unit 7 is communicated with a steam source, and condensed water and moisture in the steam entering the unit are separated by steam-water separation equipment and discharged through a drain valve and a matched valve which are arranged at the bottom of the steam-water separation equipment. An outlet of the steam quality improving unit 7, which is also an outlet of the steam-water separation device, is connected to an inlet of the pressure improving and controlling unit 6; the inlet of the automatic air exhaust device 8 is communicated with the inlet of the reboiler 1, and the outlet is connected with an external exhaust pipe to a trench or directly exhausted outwards.
As another embodiment of the present invention, when the steam source is superheated steam, the steam quality improving unit 7 is removed, and the steam cooling system is additionally installed on the steam supply pipeline in front of the inlet of the pressure improving and controlling unit 6.
The above description is only an embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. All similar modifications, equivalents and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. Reboiler steam energy-saving synergistic system, including reboiler (1), steam control valves (2), hydrophobic station (3), its characterized in that: the device comprises a flash evaporation device (4) and a drainage unit (5), wherein an inlet of the flash evaporation device (4) is communicated with a drainage station (3), and an outlet at the bottom of the flash evaporation device is connected with the drainage unit (5).
2. The reboiler steam energy savings enhancement system of claim 1 wherein: the device comprises a pressure lifting and controlling unit (6), wherein the pressure lifting and controlling unit (6) is connected with an outlet at the top of the flash evaporation equipment (4).
3. The reboiler steam energy savings enhancement system of claim 1, wherein: comprises a steam quality improving unit (7).
4. The reboiler steam energy savings enhancement system of claim 1 wherein: when the steam source is superheated steam, the steam quality improving unit (7) is replaced by a steam cooling system.
5. The reboiler steam energy saving enhancement system of any of claims 1 to 4, wherein: an automatic air removal device (8) is arranged at the inlet of the reboiler (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533278.8U CN218306166U (en) | 2022-09-23 | 2022-09-23 | Steam energy-saving and efficiency-increasing system of reboiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533278.8U CN218306166U (en) | 2022-09-23 | 2022-09-23 | Steam energy-saving and efficiency-increasing system of reboiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218306166U true CN218306166U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222533278.8U Active CN218306166U (en) | 2022-09-23 | 2022-09-23 | Steam energy-saving and efficiency-increasing system of reboiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218306166U (en) |
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2022
- 2022-09-23 CN CN202222533278.8U patent/CN218306166U/en active Active
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