CN208726778U - A kind of rectifying column circulatory system based on self-priming low temperature reboiler - Google Patents
A kind of rectifying column circulatory system based on self-priming low temperature reboiler Download PDFInfo
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- CN208726778U CN208726778U CN201821146036.0U CN201821146036U CN208726778U CN 208726778 U CN208726778 U CN 208726778U CN 201821146036 U CN201821146036 U CN 201821146036U CN 208726778 U CN208726778 U CN 208726778U
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- reboiler
- rectifying column
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- low temperature
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Abstract
The utility model relates to a kind of rectifying column circulatory systems based on self-priming low temperature reboiler, including rectifying column, pressurization reboiler, self-priming low temperature reboiler, return tank, tower top spray pump, finished product output pump, finished pot, raffinate output pump and residual liquid tank.Utility model has the advantages that the rectifying column circulatory system of the utility model based on self-priming low temperature reboiler, the top gaseous phase pipeline of rectifying column are connect with self-priming low temperature reboiler, return tank is removed after exchanging heat；Through tower top temperature of the tower top spray pump to rectifying column spray control is carried out through the self-priming low temperature reboiler condensed liquid that exchanges heat in return tank, cycle heat exchange achievees the purpose that energy-saving；In addition, device operation is smooth, the stabilization of whole system can be effectively controlled.
Description
Technical field
The utility model belongs to chemical equipment technical field, in particular to a kind of rectifying based on self-priming low temperature reboiler
The tower circulatory system.
Background technique
Rectifying is that the typical unit operation of mutually soluble liquids mixture is separated in Chemical Manufacture, with Chemical Manufacture and technology
The application of development, rectifying column is more and more wider.The capital equipment of distillation process has: rectifying column, reboiler, condenser, return tank etc.
Equipment.For rectifying column using feedboard as boundary, top is rectifying section, and lower part is profit reduction and reserving section.The feed liquid of certain temperature and pressure enters essence
After evaporating tower, light component is gradually concentrated in rectifying section, all condenses after leaving tower top into return tank, a part is used as overhead product
(being also distillate), another part are admitted in tower as phegma.And after heavy constituent is concentrated in profit reduction and reserving section, a part of conduct
Tower reactor product (is also raffinate), a part of then send back in tower after reboiler heats, for distillation operation provide it is a certain amount of it is continuous on
The steam air-flow risen.The balance of finance, credits and materials of rectifying column operation is material balance, vapor liquid equilibrium and heat balance.Rectifying column operation is being controlled
During tower balance processed, general control is inlet amount, reflux ratio, the size of heat, cooling capacity.
For reboiler often with rectifying column combined application, reboiler is mounted on rectifier bottoms, passes through reboiler heating tower bottom and (steams
Evaporate kettle) liquid, vaporize its part and become upflowing vapor, be rectifying column rectifying section, stripping section and column plate vapour-liquid two
Phase heat and mass provides required heat.There is no tower reactor heat supply just without rising steam, without overhead condensation just without phegma,
Entire distillation process just cannot achieve.Most of reboiler is shell-and-tube heat exchanger, and boiling process can occur in shell side,
It can also occur in tube side, heat medium generallys use steam, is also possible to liquid, gas of heat-carrying etc..
In distillation process, the heat medium steam in Steam reboiler can condense generation condensate liquid, and reboiler liquid level is logical
It is controlled frequently with regulating valve.Steam fluctuation will lead to tower bottom liquid temperature fluctuation in reboiler, and the heat balance of rectifying column will be by
To influence, whole system is unable to stable operation.
Therefore, researching and developing one kind being capable of stability contorting whole system and the energy-saving essence based on self-priming low temperature reboiler
Evaporating the tower circulatory system is necessary.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of being capable of stability contorting whole system and energy-saving
The rectifying column circulatory system based on self-priming low temperature reboiler.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of based on self-priming low temperature reboiler
The rectifying column circulatory system, innovative point are: including rectifying column, pressurization reboiler, self-priming low temperature reboiler, return tank, tower
Push up spray pump, finished product output pump, finished pot, raffinate output pump and residual liquid tank；
The top center of the rectifying column is connected to a gas phase pipeline, and the other end and self-priming low temperature of the gas phase pipeline are again
Boil device connection；The bottom center of the rectifying column is connected to a reflux pipeline, and the other end of the reflux pipeline and pressurization are again
Boil device connection；The top center of the pressurization reboiler is connected to a gas pipeline, the other end and rectifying column of the gas pipeline
The connection of tower bottom side, another tower bottom side of the rectifying column is connected to raffinate pipeline, and the other end and raffinate of raffinate pipeline
Output pump connection；The side upper end of the pressurization reboiler is connected to steam inlet, and the other side lower end for the reboiler that pressurizes is connected to liquid
Body outlet；
The other end of the raffinate output pump is connected to by material pipe A with residual tank, the self-priming low temperature reboiler
Bottom side of the wall be connected to a fluid pipeline, the other end of the fluid pipeline is connected to return tank；
The bottom end of the return tank is connected to a liquid pipe, and the other end of liquid pipe is connected to tower top spray pump, and tower
The other end of top spray pump is connected to by temperature control pipeline with the upper end side wall of rectifying column；
The bottom center of the self-priming low temperature reboiler is also connected to a distillate pipeline, the distillate pipeline it is another
End is connected to finished product output pump, 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 rectifying column circulatory system of the utility model based on self-priming low temperature reboiler,
The top gaseous phase pipeline of rectifying column is connect with self-priming low temperature reboiler, and return tank is removed after exchanging heat；Through self-priming in return tank
The low temperature reboiler condensed liquid that exchanges heat through tower top temperature of the tower top spray pump to rectifying column carries out spray control, circulating picture-changing
Heat achievees the purpose that energy-saving；In addition, device operation is smooth, the stabilization of whole system can be effectively controlled.
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 rectifying column circulatory system of the utility model based on self-priming low temperature reboiler.
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 rectifying column circulatory system of the present embodiment based on self-priming low temperature reboiler, as shown in Figure 1, including rectifying column 1, adding
Reboiler 2, self-priming low temperature reboiler 3, return tank 4, tower top spray pump 5, finished product output is pressed to pump 6, finished pot 7, raffinate output
Pump 8 and residual liquid tank 9.
The top center of rectifying column 1 is connected to a gas phase pipeline, and the other end of gas phase pipeline and self-priming low temperature reboiler 3 connect
It is logical；The bottom center of rectifying column 1 is connected to a reflux pipeline, and the other end of reflux pipeline is connected to pressurization reboiler 2；Pressurization
The top center of reboiler 2 is connected to a gas pipeline, and the other end of gas pipeline is connected to the tower bottom side of rectifying column 1, rectifying
Another tower bottom side of tower 1 is connected to raffinate pipeline, and the other end of raffinate pipeline is connected to raffinate output pump 8；Pressurize reboiler 2
Side upper end be connected to steam inlet, pressurization reboiler 2 other side lower end be connected to liquid outlet.
The other end of raffinate output pump 8 is connected to by material pipe A with residual tank 9, the lower end of self-priming low temperature reboiler 3
Side wall is connected to a fluid pipeline, and the other end of fluid pipeline is connected to return tank 4；The bottom end of return tank 4 is connected to a liquid pipe,
The other end of liquid pipe is connected to tower top spray pump 5, and the other end of tower top spray pump 5 passes through temperature control pipeline and rectifying column 1
Upper end side wall connection.
The bottom center of self-priming low temperature reboiler 3 is also connected to a distillate pipeline, the other end of distillate pipeline at
6 connection of product output pump, and the other end of finished product output pump 6 is connected to by material pipe B with finished pot 7.
The course of work of the rectifying column circulatory system of the present embodiment based on self-priming low temperature reboiler is as follows: certain temperature and
After the feed liquid of pressure enters rectifying column 1, steam enters pressurization reboiler 2 by steam inlet, is then entered by gas pipeline
Rectifying column 1 heats feed liquid, and light component is gradually concentrated in rectifying section, passes through gas phase pipeline into self-priming low temperature after leaving tower top
Then reboiler 3 enters return tank 4 by fluid pipeline, return tank 4 is connect with tower top spray pump 5, and tower top spray pump 5 exports
The temperature of 1 tower top of rectifying column is controlled by adjusting valve regulating flow to 1 overhead line of rectifying column, guarantees the steaming of rectifying tower top 1
Vapour can stablize steady control.
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 rectifying column circulatory system based on self-priming low temperature reboiler, it is characterised in that: boiled again including rectifying column, pressurization
Device, self-priming low temperature reboiler, return tank, tower top spray pump, finished product output pump, finished pot, raffinate output pump and residual liquid tank；
The top center of the rectifying column is connected to a gas phase pipeline, the other end of the gas phase pipeline and self-priming low temperature reboiler
Connection；The bottom center of the rectifying column is connected to a reflux pipeline, the other end and pressurization reboiler of the reflux pipeline
Connection；The top center of the pressurization reboiler is connected to a gas pipeline, the other end of the gas pipeline and the tower of rectifying column
The connection of bottom side end, another tower bottom side of the rectifying column are connected to raffinate pipeline, and the other end of raffinate pipeline and raffinate output
Pump connection；The side upper end of the pressurization reboiler is connected to steam inlet, and the other side lower end for the reboiler that pressurizes is connected to liquid discharge
Mouthful；
The other end of the raffinate output pump is connected to by material pipe A with residual tank, under the self-priming low temperature reboiler
End side wall is connected to a fluid pipeline, and the other end of the fluid pipeline is connected to return tank；
The bottom end of the return tank is connected to a liquid pipe, and the other end of liquid pipe is connected to tower top spray pump, and tower top sprays
The other end of leaching pump is connected to by temperature control pipeline with the upper end side wall of rectifying column；
The bottom center of the self-priming low temperature reboiler is also connected to a distillate pipeline, the other end of the distillate pipeline with
The pump connection of finished product output, 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 |
|---|---|---|---|
| CN201821146036.0U CN208726778U (en) | 2018-07-19 | 2018-07-19 | A kind of rectifying column circulatory system based on self-priming low temperature reboiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146036.0U CN208726778U (en) | 2018-07-19 | 2018-07-19 | A kind of rectifying column circulatory system based on self-priming low temperature reboiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208726778U true CN208726778U (en) | 2019-04-12 |
Family
ID=66027643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821146036.0U Active CN208726778U (en) | 2018-07-19 | 2018-07-19 | A kind of rectifying column circulatory system based on self-priming low temperature reboiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208726778U (en) |
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2018
- 2018-07-19 CN CN201821146036.0U patent/CN208726778U/en active Active
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