CN208911497U - A kind of energy-saving rectifying tower reboiler mechanism - Google Patents
A kind of energy-saving rectifying tower reboiler mechanism Download PDFInfo
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- CN208911497U CN208911497U CN201821306083.7U CN201821306083U CN208911497U CN 208911497 U CN208911497 U CN 208911497U CN 201821306083 U CN201821306083 U CN 201821306083U CN 208911497 U CN208911497 U CN 208911497U
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Abstract
The utility model relates to a kind of energy-saving rectifying tower reboiler mechanisms, including compression rectification tower, rectification under vacuum reboiler, vacuum rectification tower, return tank, pressurization column overhead spray pump, pressurization reboiler, intermediate product output pump, finished product output pump, finished pot, Top of Vacuum Tower spray pump, Top of Vacuum Tower reflux flow container, overhead condenser and vacuum pump.Utility model has the advantages that the utility model energy-saving rectifying tower reboiler mechanism, can multiple cycle heat exchange, achieve the purpose that energy-saving；In addition, device operation is smooth, only need to control pressurizing tower parameter i.e. can reach the stabilization of whole system, and process operation parameter is easy to control, and fluctuation is smaller, and product quality is easy to control；Simultaneity factor is abnormal situation, and reason is easier to find out.
Description
Technical field
The utility model belongs to chemical equipment technical field, in particular to a kind of energy-saving rectifying tower reboiler mechanism.
Background technique
In chemical industry distillation operation, the heating of rectifying column material is usually all to be generated using reboiler by steam indirect heat exchange
Heat, while for control tower top temperature, will after the high temperature vapor condensation of tower top recycle pump spray, energy consumption is very
Height, and bad control, Yi Chongta.
Therefore, research and develop it is a kind of can easily control, system is stable and can be energy-saving energy-saving rectifying tower reboiler dress
Setting is necessary.
Utility model content
The technical problem to be solved by the present invention is to provide one kind easily to control, system is stable and can energy conservation drop
The energy-saving rectifying tower reboiler mechanism of consumption.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of energy-saving rectifying tower reboiler mechanism,
Innovative point is: the energy-saving rectifying tower reboiler mechanism include compression rectification tower, rectification under vacuum reboiler, vacuum rectification tower,
Return tank, pressurization column overhead spray pump, pressurization reboiler, intermediate product output pump, finished product output pump, finished pot, vacuum tower top spray
Leaching pump, Top of Vacuum Tower reflux flow container, overhead condenser and vacuum pump；
The top center of the compression rectification tower is connected to the other end and decompression essence of gas phase pipeline an A, the gas phase pipeline A
Evaporate reboiler connection；The bottom center of the compression rectification tower is connected to a reflux pipeline A, and the reflux pipeline A's is another
End is connected to pressurization reboiler；The top center of the pressurization reboiler is connected to a gas pipeline A, and the gas pipeline A's is another
One end is connected to the tower bottom side of compression rectification tower, and another tower bottom side of the compression rectification tower is connected to distillate pipeline A, and
The other end of distillate pipeline A is connected to intermediate product output pump；The side upper end of the pressurization reboiler is connected to steam inlet, adds
The other side lower end of reboiler is pressed to be connected to liquid outlet；
The other end of the intermediate product output pump is connected to by material pipe A with the side wall of vacuum rectification tower, the decompression
The top center of rectifying column is connected to a gas phase pipeline B, and the other end of the gas phase pipeline B is connected to overhead condenser；It is described to subtract
The bottom center of rectifying column is pressed to be connected to the other end and the rectification under vacuum reboiler company of reflux pipeline a B, the reflux pipeline B
It is logical；The top center of the rectification under vacuum reboiler is connected to the other end and decompression essence of gas pipeline a B, the gas pipeline B
Evaporate tower connection；The bottom side of the wall of the rectification under vacuum reboiler is connected to a fluid pipeline A, the other end of the fluid pipeline A with
Return tank connection；
The bottom end of the return tank is connected to a liquid pipe A, and the other end and pressurizing tower top spray pump of liquid pipe A connects
It is logical, and the other end of pressurizing tower top spray pump is connected to by temperature control pipeline A with the upper end side wall of compression rectification tower；
The other end that the bottom end of the overhead condenser is connected to fluid pipeline a B, the fluid pipeline B is connected to vacuum tower
Top reflux flow container；The other end that the bottom end of the Top of Vacuum Tower reflux flow container is connected to liquid pipe a B, the liquid pipe B connects
Logical Top of Vacuum Tower spray pump, and the other end of Top of Vacuum Tower spray pump passes through the upper end side wall of temperature control pipeline B and vacuum rectification tower
Connection；
The overhead condenser also passes through vacuum pipe and is connected to vacuum pump, and the other end of vacuum pump is also connected to an offgas duct
Road；The other end and finished product output that distillate pipeline a B, the distillate pipeline B is also connected on the reflux pipeline B pump
Connection, and the other end of finished product output pump is connected to by material pipe B with finished pot.
Utility model has the advantages that the utility model energy-saving rectifying tower reboiler mechanism, the tower top of compression rectification tower
Gas phase pipeline is connect with rectification under vacuum tower reboiler, and return tank is removed after exchanging heat；Rectification under vacuum tower reboiler and vacuum rectification tower
The kettle material of connection, vacuum rectification tower carries out heat exchange through rectification under vacuum tower reboiler；Vacuum rectification tower top gaseous phase is through tower
It collects after pushing up condenser condensation to Top of Vacuum Tower reflux flow container；Through the condensed liquid of rectification under vacuum tower reboiler heat exchange in return tank
The pressurized tower top spray pump of body carries out spray control to the tower top temperature of compression rectification tower, and multiple cycle heat exchange reaches energy saving drop
The purpose of consumption；In addition, device operation is smooth, only need to control pressurizing tower parameter i.e. can reach the stabilization of whole system, technique behaviour
It is easy to control to make parameter, fluctuation is smaller, and product quality is easy to control；Simultaneity factor is abnormal situation, and reason is easier to find out.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model energy-saving rectifying tower reboiler mechanism.
Specific embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described range.
Embodiment
The present embodiment energy-saving rectifying tower reboiler mechanism, as shown in Figure 1, including compression rectification tower 1, rectification under vacuum reboiler
2, vacuum rectification tower 3, return tank 4, pressurization column overhead spray pump 5, pressurization reboiler 6, intermediate product output pump 7, finished product output pump
8, finished pot 9, Top of Vacuum Tower spray pump 10, Top of Vacuum Tower reflux flow container 11, overhead condenser 12 and vacuum pump 13.
The top center of compression rectification tower 1 is connected to a gas phase pipeline A, and the other end of gas phase pipeline A boils again with rectification under vacuum
Device 2 is connected to；The bottom center of compression rectification tower 1 is connected to a reflux pipeline A, and the other end and the pressurization of reflux pipeline A is boiled again
Device 6 is connected to；The top center of pressurization reboiler 6 is connected to a gas pipeline A, the other end and the compression rectification tower 1 of gas pipeline A
The connection of tower bottom side, another tower bottom side of compression rectification tower 1 are connected to distillate pipeline A, and the other end of distillate pipeline A with
Intermediate 7 connection of product output pump；The side upper end of pressurization reboiler 6 is connected to steam inlet, and the other side lower end of pressurization reboiler 6 connects
Logical liquid outlet.
The other end of intermediate product output pump 7 is connected to by material pipe A with the side wall of vacuum rectification tower 3, vacuum rectification tower 3
Top center be connected to a gas phase pipeline B, the other end of gas phase pipeline B is connected to overhead condenser 12；The bottom of vacuum rectification tower 3
End center is connected to a reflux pipeline B, and the other end of reflux pipeline B is connected to rectification under vacuum reboiler 2；Rectification under vacuum is boiled again
The top center of device 2 is connected to a gas pipeline B, and the other end of gas pipeline B is connected to vacuum rectification tower 3；Rectification under vacuum is boiled again
The bottom side of the wall of device 2 is connected to a fluid pipeline A, and the other end of fluid pipeline A is connected to return tank 4.
The bottom end of return tank 4 is connected to a liquid pipe A, and the other end of liquid pipe A is connected to pressurizing tower top spray pump 5,
And the other end of pressurizing tower top spray pump 5 is connected to by temperature control pipeline A with the upper end side wall of compression rectification tower 1.
The bottom end of overhead condenser 12 is connected to a fluid pipeline B, the other end connection Top of Vacuum Tower reflux of fluid pipeline B
Flow container 11；The bottom end of Top of Vacuum Tower reflux flow container 11 is connected to a liquid pipe B, and the other end of liquid pipe B is connected to Top of Vacuum Tower
Spray pump 10, and the other end of Top of Vacuum Tower spray pump 10 is connected to by temperature control pipeline B with the upper end side wall of vacuum rectification tower 3.
Overhead condenser 12 is also connected to by vacuum pipe with vacuum pump 13, and the other end of vacuum pump 13 is also connected to a tail gas
Pipeline；A distillate pipeline B is also connected on reflux pipeline B, the other end of distillate pipeline B is connected to finished product output pump 8,
And the other end of finished product output pump 8 is connected to by material pipe B with finished pot 9.
The present embodiment energy-saving rectifying tower reboiler mechanism, workflow are as follows:
1) control of 3 bottom temperature of vacuum rectification tower is lower, and rectification under vacuum tower reboiler 2 used needs under vacuum conditions
The temperature wanted can be reduced suitably, and compression rectification tower 1 is using pressurization 6 heat tower reactor of reboiler, and the reboiler 6 that pressurizes is added with steam
Heat.
2) temperature of 1 overhead material steam of compression rectification tower and the temperature of materials at bottom of tower are controlled, indirectly control subtracts
The temperature for pressing 3 tower reactor of rectifying column, if the temperature difference of 3 tower top of vacuum rectification tower and tower reactor has exception, by adjusting compression rectification tower 1
The steam valve opening of pressurization reboiler 6 control；1 top gaseous phase of compression rectification tower after the heat exchange of rectification under vacuum tower reboiler 2
Material steam lime set, by flowing into return tank 4 with connecting pipe, outlet liquid-phase tube is connect with pressurizing tower top spray pump 5.
3) pressurizing tower top spray pump 5 is exported to 1 overhead line of compression rectification tower and is added by adjusting valve regulating flow to control
The temperature of 1 tower top of rectifying column is pressed, guarantees that the steam of compression rectification tower top 1 can stablize the temperature and pressure of 3 tower reactor of vacuum rectification tower
Steady control, to reach the balance of two towers.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (1)
1. a kind of energy-saving rectifying tower reboiler mechanism, it is characterised in that: the energy-saving rectifying tower reboiler mechanism includes pressurization essence
Evaporate tower, rectification under vacuum reboiler, vacuum rectification tower, return tank, pressurization column overhead spray pump, pressurization reboiler, intermediate product output
Pump, finished product output pump, finished pot, Top of Vacuum Tower spray pump, Top of Vacuum Tower reflux flow container, overhead condenser and vacuum pump；
The other end of one gas phase the pipeline A, the gas phase pipeline A of top center connection of the compression rectification tower and rectification under vacuum are again
Boil device connection；The bottom center of the compression rectification tower is connected to a reflux pipeline A, the other end of the reflux pipeline A with
The reboiler that pressurizes is connected to；The top center of the pressurization reboiler is connected to a gas pipeline A, the other end of the gas pipeline A
It is connected to the tower bottom side of compression rectification tower, another tower bottom side of the compression rectification tower is connected to distillate pipeline A, and distillates
The other end of liquid pipe road A is connected to intermediate product output pump；The side upper end of the pressurization reboiler is connected to steam inlet, and pressurization is again
The other side lower end for boiling device is connected to liquid outlet；
The other end of the intermediate product output pump is connected to by material pipe A with the side wall of vacuum rectification tower, the rectification under vacuum
The top center of tower is connected to a gas phase pipeline B, and the other end of the gas phase pipeline B is connected to overhead condenser；The decompression essence
The bottom center for evaporating tower is connected to a reflux pipeline B, and the other end of the reflux pipeline B is connected to rectification under vacuum reboiler；
The top center of the rectification under vacuum reboiler is connected to a gas pipeline B, the other end and vacuum rectification tower of the gas pipeline B
Connection；The bottom side of the wall of the rectification under vacuum reboiler is connected to a fluid pipeline A, the other end of the fluid pipeline A and reflux
Tank connection；
The bottom end of the return tank is connected to a liquid pipe A, and the other end of liquid pipe A is connected to pressurizing tower top spray pump, and
The other end of pressurizing tower top spray pump is connected to by temperature control pipeline A with the upper end side wall of compression rectification tower；
The other end connection Top of Vacuum Tower that the bottom end of the overhead condenser is connected to fluid pipeline a B, the fluid pipeline B returns
Flow liquid tank；The other end connection that the bottom end of the Top of Vacuum Tower reflux flow container is connected to liquid pipe a B, the liquid pipe B subtracts
Tower top spray pump is pressed, and the other end of Top of Vacuum Tower spray pump is connected to by temperature control pipeline B with the upper end side wall of vacuum rectification tower；
The overhead condenser also passes through vacuum pipe and is connected to vacuum pump, and the other end of vacuum pump is also connected to an exhaust pipe；
The other end and finished product output pump that distillate pipeline a B, the distillate pipeline B is also connected on the reflux pipeline B connect
It is logical, and the other end of finished product output pump is connected to by material pipe B with finished pot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306083.7U CN208911497U (en) | 2018-08-14 | 2018-08-14 | A kind of energy-saving rectifying tower reboiler mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306083.7U CN208911497U (en) | 2018-08-14 | 2018-08-14 | A kind of energy-saving rectifying tower reboiler mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911497U true CN208911497U (en) | 2019-05-31 |
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ID=66702052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821306083.7U Active CN208911497U (en) | 2018-08-14 | 2018-08-14 | A kind of energy-saving rectifying tower reboiler mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911497U (en) |
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2018
- 2018-08-14 CN CN201821306083.7U patent/CN208911497U/en active Active
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