CN107774004A - A kind of medicinal alcohol rectifier unit - Google Patents
A kind of medicinal alcohol rectifier unit Download PDFInfo
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- CN107774004A CN107774004A CN201711213290.8A CN201711213290A CN107774004A CN 107774004 A CN107774004 A CN 107774004A CN 201711213290 A CN201711213290 A CN 201711213290A CN 107774004 A CN107774004 A CN 107774004A
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- Prior art keywords
- alcohol
- tower top
- rectifier unit
- tower
- rectifying column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of medicinal alcohol rectifier unit,Including feed pump,Secondary preheating device,Rectifying column,Reboiler,Overhead condenser,Surge tank,Also include tower top preheater and compensator,Feed pump connects with tower top preheater,Tower top preheater also connects with secondary preheating device,Secondary preheating device connects with rectifying column,Rectifying column connects with reboiler,The tower top of rectifying column connects with tower top preheater so that heat is transmitted to Diluted Alcohol by alcohol steam into tower top preheater,Tower top preheater is also connected with compensator so that liquefied alcohol flows into tower top preheater,Tower top preheater also connects with overhead condenser so that not liquefied alcohol steam is liquefied into overhead condenser,Compensator is also connected with overhead condenser so that the alcohol after overhead condenser liquefies flows into,Compensator also connects with surge tank so that mixed alcohol inflow surge tank is stored in compensator.Which raises heat utilization rate, reduces the energy consumption that medicinal alcohol reclaims.
Description
Technical field
The present invention relates to field of traditional Chinese medicine pharmacy, and in particular to a kind of medicinal alcohol rectifier unit.
Background technology
With developing rapidly for China's traditional Chinese medicine cause, alcohol is as main Extraction solvent and purification solvent, consumption
It is growing day by day.Therefore discarded Diluted Alcohol is reclaimed, and ensures the quality of recovered alcohol, recycling standard is reached and carries out again
Secondary utilization, it is that vast herbal pharmaceutical enterprise reduces production cost, the main path increased economic efficiency.The work of ethanol refinery is former
Reason is to utilize alcohol-water（95.6 :4.4, v/v）Azeotropic point and alcohol boiling point are less than the boiling point of water, when reaching azeotropic point and wine
During the boiling point of essence, azeotropic mixture and alcohol largely evaporate, and now water is not reaching to boiling point, substantially non-volatile, so high
The alcohol of concentration is just separated, so as to reach the purpose of recovered alcohol.
Conventional alcohol distillation column is made up of preheater, tower reactor, tower body, condenser, cooler etc., is directly added using steam
Hot preheater and tower reactor, steam condensate (SC) are discharged through steam trap.As Chinese patent CN203498283U discloses a kind of medicinal wine
Smart rectifying device, including raw material filter, be connected with the raw material filter raw material pump, be connected with the raw material pump distillation still,
Rectifying column that bottom is connected with the distillation still, the steam condenser being connected with the rectifying column top, with steam condensator outlet
Connected distillate buffer, the cooler being connected with the outlet of distillate buffer, the distillate buffer, which exports, also to be passed through
Switch is connected with the rectifying column, the outlet connection storage tank of the cooler.This equipment energy consumption is larger, heat utilization rate
It is low.
At present the existing Chinese medicine in China production ethanol refinery process exist energy consumption is big, heat utilization rate is low, discharge of wastewater is more,
The problems such as automation degree of equipment is low, in order to reduce ethanol refinery process energy consumption, improve heat utilization rate, reduce discharge of wastewater,
Need to develop a kind of medicinal alcohol rectifier unit, realize the energy-saving and emission-reduction of alcohol recycle process.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of medicinal alcohol rectifier unit, which raises heat energy utilization
Rate, reduce the energy consumption of medicinal alcohol recovery.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of medicinal alcohol rectifier unit, including feed pump, secondary preheating device, rectifying column, reboiler, overhead condenser, buffering
Tank, in addition to tower top preheater and compensator, wherein, the feed pump connects with the tower top preheater so that Diluted Alcohol enters
The tower top preheater is preheated, and the tower top preheater also connects the Diluted Alcohol so that after preheating with the secondary preheating device
Further preheated into secondary preheating device, the secondary preheating device is connected with the rectifying column so that further after preheating
Diluted Alcohol enters the rectifying column, and the rectifying column connects with the reboiler so that Diluted Alcohol is flowed into reboiler and made again
The alcohol steam steamed in boiling device enters the rectifying column, and the tower top of the rectifying column is connected so that wine with the tower top preheater
Heat is transmitted to the Diluted Alcohol by smart steam into the tower top preheater, and the tower top preheater also connects with the compensator
So that liquefied alcohol flows into the tower top preheater, the tower top preheater is also connected with the overhead condenser so that not
Liquefied alcohol steam is liquefied into the overhead condenser, the compensator also connected with the overhead condenser for
Alcohol after overhead condenser liquefies is flowed into, and the compensator is also connected with the surge tank so as to be mixed in the compensator
Alcohol after conjunction flows into the surge tank and stored.
Preferably, the rectifying column includes the internal tower body for being provided with multilayer corrugated filler, the tower body by from top to bottom according to
The secondary tower section I for setting and being interconnected, tower section II, tower section III and tower reactor composition, the secondary preheating device and the tower section I,
The tower section III connections.
It is highly preferred that the tower reactor connects with the reboiler.
Preferably, the reboiler includes cylinder, and the cylinder has chuck, is provided with the chuck and is used to lead to steam
Steam multitube.
Made it is highly preferred that the secondary preheating device connects with the reboiler with being connected with the chuck in the chuck
Steam condensate (SC) is further preheated into the secondary preheating device to Diluted Alcohol.
Preferably, the medicinal alcohol rectifier unit also includes and the tank connected backflow of the buffering and recovery pump, described time
Stream connects with the rectifying column, a discharging cooler respectively with recovery pump.
It is highly preferred that the medicinal alcohol rectifier unit also includes being used to measure the dense of the recovered alcohol that the surge tank receives
The alcohol concentration meter of degree, the alcohol concentration meter on the surge tank or the surge tank and the backflow and recovery pump it
Between.
Further, the medicinal alcohol rectifier unit is also included located at the backflow and recovery pump and the discharging cooler
Between outlet valve, located at it is described backflow the refluxing opening of recovery pump and the rectifying column between return valve and with it is described go out
The controller that material valve is mutually electrically connected with the return valve,
The controller, prestore the setting value of recovered alcohol concentration and for receiving the recovery wine that online alcohol concentration measures
The measured concentration of essence, and measured concentration and setting value are compared；It is additionally operable to when measured concentration is more than or equal to setting value to institute
Outlet valve is stated to send the first opening control signal and send the second closing control signal to the return valve, and in measured concentration
The first closing control signal is sent to the outlet valve and send the second unlatching control letter to the return valve during less than setting value
Number；
The outlet valve, believe for being opened in response to first opening control signal, in response to first closing control
Number and close；
The return valve, believe for being opened in response to second opening control signal, in response to second closing control
Number and close.
It is highly preferred that the medicinal alcohol rectifier unit also includes being used for the tail for further reclaiming the tail gas after alcohol recycle
Gas condenser, the tail gas condenser is respectively with the compensator, positioned at the backflow and recovery pump and the discharging cooler
Between pipeline connection.
Preferably, the company between the feed pump, secondary preheating device, rectifying column, reboiler, overhead condenser, surge tank
Connect and realized respectively by pipeline, the medicinal alcohol rectifier unit also include controller, the controller and the feed pump and
On pipeline on the feed pump, secondary preheating device, rectifying column, reboiler, overhead condenser, surge tank or between it
Valve is mutually electrically connected.
The present invention uses above scheme, has the following advantages that compared with prior art：
In the rectifier unit of the present invention, tower top preheater is set, and charging Diluted Alcohol is first in tower top preheater by from rectifying column
The alcohol steam heating of tower top, is then further heated in secondary preheating device, make use of the heat of alcohol steam, simultaneously again
Alcohol steam is cooled again, energy is taken full advantage of, improves heat utilization rate, saved energy consumption, reduce steam
Consumption.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of medicinal alcohol rectifier unit according to the present invention.
In above-mentioned accompanying drawing, 1- rectifying columns, 1a- towers section I, 1b- towers section II, 1c- towers section III, 1d- tower reactors, 2- reboilers, 3-
Secondary preheating device, 4- feed pumps, 5- surge tanks, the online alcoholic strength meters of 5a-, 6- backflows and recovery pump, 7- tower top preheaters, 8- towers
Push up condenser, 9- compensators, 10- tail gas condensers, 11- discharging coolers, 12- controllers, 13- outlet valves；14- return valves；
15- inlet valves；16- steam valves.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be understood by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.Adopted in embodiment
Implementation condition can do further adjustment according to specific requirement, and unreceipted implementation condition is usually the bar in normal experiment
Part.In addition, when not having specified otherwise, detection epidemic disaster is without specific requirement and limitation.
The present embodiment provides a kind of medicinal alcohol rectifier unit, and it is intended to, using the alcohol characteristic different with water boiling point, lead to
Control tower top temperature is crossed, alcohol distillation is gone out into tower body, water is stayed in tower and separated, reaches the purpose of recovered alcohol.Reference picture 1
Shown, the medicinal alcohol rectifier unit includes feed pump 4, tower top preheater 7, secondary preheating device 3, reboiler 2, rectifying column 1, tower
Push up condenser 8, tail gas condenser 10, compensator 9, surge tank 5, backflow and recovery pump 6 and discharging cooler 11.Wherein, enter
Material pump 4 is connected with tower top preheater 7 by pipeline, for making Diluted Alcohol be used as cold fluid into tower top preheater 7；Tower top preheats
Device 7 is connected with the secondary preheating device 3 positioned at bottom of towe by pipeline, for making the Diluted Alcohol after preheating enter into secondary preheating device 3
One step preheats；The tower body of rectifying column 1 includes tower section I 1a, tower section II 1b, the tower section for setting gradually and being interconnected from top to bottom
III 1c and tower reactor 1d, secondary preheating device 3 and Ta Jie II 1b, tower section III 1c connected by pipeline make it is described further pre-
Diluted Alcohol after heat enters tower section II 1b and Ta Jie III 1c, and tower reactor 1d is connected with reboiler 2 by pipeline flows into Diluted Alcohol
Alcohol steam is steamed in reboiler 2 and in reboiler 2 and enters rectifying column 1；The tower top and tower top preheater 7 of rectifying column 1 pass through
Pipeline is connected, and for making the alcohol steam after purification be used as hot fluid into tower top preheater 7, heat is transmitted to by feed pump 4
Squeeze into the Diluted Alcohol of tower top preheater 7, and alcohol steam itself is liquefied；Tower top preheater 7 and compensator 9 are connected by pipeline
Connect, for being flowed into for liquefied alcohol in tower top preheater 7；Tower top preheater 7 is also connected with overhead condenser 8 by pipeline,
For making not liquefied alcohol steam enter overhead condenser 8 to be liquefied；Compensator 9 is also and overhead condenser 8 passes through pipe
Road connects, for being flowed into for the alcohol after the liquefaction of overhead condenser 8；Compensator 9 is gone back and passes through pipe positioned at the surge tank 5 of bottom of towe
Road connects, for being kept in the mixed alcohol inflow surge tank 5 in compensator 9；Surge tank 5 also and it is described backflow and
Recovery pump 6 is connected by pipeline；Backflow and recovery pump 6 pass through pipeline and the tower section I 1a of rectifying column 1 refluxing opening and discharging respectively
Cooler 11 connects, for defective work to be squeezed into re-distillation in rectifying column 1 or makes certified products cold into discharging cooler 11
But finished product alcohol storage tank is entered back into afterwards.
Tower top preheater 7 specifically uses tubular heat exchanger, passes through pipeline and feed pump 4 and secondary preheating device 3 respectively
Connect and compose the path of Diluted Alcohol；Structure is also connected by pipeline and the tower top of rectifying column 1 and compensator 9, overhead condenser 8 respectively
Into the path of the alcohol steam come out from tower top；The charging that the alcohol steam and feed pump 4 that come in the rectifying of rectifying column 1 are squeezed into is dilute
Alcohol is exchanged heat inside it, makes alcohol steam partial condensation that heat are transmitted into charging Diluted Alcohol, make its temperature liter into liquid
Height, so as to reach the purpose of energy-conservation.
Reboiler 2 includes cylinder, and the cylinder has chuck, is provided with steam multitube in the chuck, steaming is connected with tubulation
Vapour has Diluted Alcohol as cold fluid, evaporated Diluted Alcohol by the two heat exchange, the alcohol after evaporation steams as hot fluid in cylinder
Vapour, which enters in rectifying column 1, carries out rectifying, purification.Secondary preheating device 3 is connected with reboiler 2 by pipeline, to be connected with chuck, is made
Steam condensate (SC) after being exchanged heat in reboiler 2 in chuck enters secondary preheating device 3 as hot fluid, and secondary preheating device 3 is also distinguished
Connected by pipeline with tower top preheater 7 and tower section II 1b, tower section III 1c, form Diluted Alcohol to tower section II 1b and Ta Jie
III 1c path, the heat transfer of steam condensate (SC) raise its temperature, play a part of energy-conservation to Diluted Alcohol.It is secondary pre-
Hot device 3 specifically uses plate type heat exchanger.
The tower body of rectifying column 1 is made up of the interconnected stainless steel tower body of four sections, tower section I respectively above-mentioned from top to bottom
1a, tower section II 1b, tower section III 1c and tower reactor 1d.Multilayer corrugated filler is provided with the tower body of rectifying column 1, for from again
Boiling device 2 distills the alcohol to come up and sufficiently purified, and separates alcohol and water.
Overhead condenser 8 is also specifically tubular heat exchanger, using cooling water as heat transferring medium to going out from tower top preheater 7
The alcohol steam gone is all condensed into liquid.
Compensator 9 and tower top preheater 7, condenser are connected respectively by pipeline, with collect exchanged heat in the two equipment it is cold
Solidifying alcohol, the alcohol from the two equipment is mixed, alcohol temperature is unanimously discharged afterwards to surge tank 5.
Surge tank 5 is used to keep in the alcohol that compensator 9 is collected.The rectifier unit also includes being used to measure surge tank
The alcohol concentration meter of the concentration of 5 recovered alcohols received, preferably online alcohol concentration meter 5a, online alcohol concentration meter 5a are specific
On pipeline between surge tank 5 and the backflow and recovery pump 6.
Discharging cooler 11 specifically uses plate type heat exchanger, the recovery to be discharged using cooling water as heat transferring medium to surge tank 5
Alcohol is further cooled down, and meets that workshop uses.
Tail gas condenser 10 specifically uses plate type heat exchanger, using cooling water as heat transferring medium by the tail gas after alcohol recycle
Further recovery, does not make alcohol gas enter external environment, plays environmental-protection function.Tail gas condenser 10 passes through pipeline and balance respectively
Tank 9, the pipeline connection between backflow and recovery pump 6 and discharging cooler 11.
The rectifier unit also includes controller 12, the controller 12 and the feed pump 4, the backflow and recovery pump 6,
Valve on the online alcohol concentration meter 5a and each pipeline is mutually electrically connected.Valve on each pipeline includes being located at institute
State backflow recovery pump 6 and it is described discharging cooler 11 between pipeline on outlet valve 13, located at it is described backflow and recovery pump 6
And the return valve 14 on the pipeline between the refluxing opening of the tower top of rectifying column 1.Controller 12, prestore recovered alcohol concentration
Setting value and based on receiving online alcohol concentration the recovered alcohol that 5a is measured measured concentration, and by measured concentration and setting value
Compare；Controller 12, it is additionally operable to send the first unlatching control letter to outlet valve 13 when measured concentration is more than or equal to setting value
Number and send the second closing control signal to return valve 14, and send to outlet valve 13 when measured concentration is less than setting value
One closing control signal simultaneously sends the second opening control signal to return valve 14.The outlet valve 13, in response to described
One opening control signal and open, closed in response to first closing control signal.The return valve 14, in response to
Second opening control signal and open, closed in response to second closing control signal.
Valve on each pipeline also includes the inlet valve on the pipeline between feed pump 4 and tower top preheater 7
15th, the steam valve 16 on the air inlet pipeline of the chuck of reboiler 2, inlet valve 15, steam valve 16 are also mutually electric with controller 12
Even.Controller 12, it is additionally operable to after charging, closes feed pump 4 and air-actuated feeding valve 15；Continue rectifying to column bottom temperature liter
To 93 DEG C, untill tower top temperature rises to 79 DEG C, closing the steam valve 16 of reboiler 2 stops steam heating；Control the row of reboiler 2
Water valve is opened, the discharge of wastewater after rectifying to downcomer line.
The material pipeline trend of the rectifier unit：Diluted Alcohol enters tower top preheater 7 → flow back into tower again by feed pump 4
Bottom, tower section II 1b and Ta Jie III 1c → Diluted Alcohol is entered after secondary preheating device 3 and flows into tower bottom reboiler 2 → utilizes
The heat of the jacket steam of reboiler 2 by alcohol steam tower → enter tower top preheater 7 by heat be transmitted to feed pump 4 stamp come
Diluted Alcohol, while enter compensator 9 after itself liquefaction；There is no liquefied alcohol steam to enter overhead condenser 8, cooled down with chuck
Water is liquefied by heat exchange and enters compensator 9 → 5 sample examinations of inflow bottom of towe surge tank → certified products by flowing back and returning
Receive pump 6 and enter finished product storage tank；Defective work enters tower body re-distillation by backflow and recovery pump 6, until qualified.
The steam pipework trend of the rectifier unit：Synergic system provide steam after voltage stabilizing and steam control valve, with
The chuck for the reboiler 2 that 0.06-0.12MPa air pressure enters in the present apparatus heats to Diluted Alcohol, and condensed steam water enters
Secondary preheating device 3 after charging alcohol preheating to flowing into downcomer line.
The cooling water trend of the rectifier unit：A, the cooling water that synergic system provides enters tower top with the water temperature less than 30 DEG C
Condenser 8 and the tail gas condenser 10 for tail gas recycle, after being condensed to the alcohol steam after rectifying and tail gas, with about 40
DEG C water temperature be back to cooling tower cooling；B, the cooling water of finished product discharging is to enter discharging cooler with the water temperature less than 10 DEG C
11, after cooling again to finished product alcohol, refrigeration unit is returned to about 20 DEG C of water temperature.
Diluted Alcohol is reclaimed respectively using the device and conventional equipment of the present invention, the concentration of Diluted Alcohol is 60%, essence
When the tower diameter for evaporating tower is φ 400mm, technical parameters and performance index is shown in Table 1.
Table 1
| Project | Apparatus of the present invention | Conventional equipment and |
| Reclaim concentration of alcohol（V/V） | ≥ 95% | ≥ 93% |
| Absorbance（240nm） | ≤ 0.08 | ≤ 0.10 |
| Steam consumption quantity（kg/h） | ≤ 600 | ≥ 900 |
| Circulate water consumption（t/h） | ≤ 30 | ≥ 50 |
In the rectifier unit of the present invention, tower top preheater 7 and secondary preheating device 3 are set, and charging Diluted Alcohol is first in tower top preheater 7
The middle alcohol steam heating pushed up from rectifying column 1, then again in secondary preheating device 3 by the condensation from the chuck of reboiler 2
Water is heated, and make use of the heat of alcohol steam and condensed water, while alcohol steam and condensed water are cooled again, fully profit
With energy, heat utilization rate is improved, has saved energy consumption, reduces steam consumption quantity and circulation water consumption, as shown in table 1.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to person skilled in the art
Present disclosure can be understood and implemented according to this, protection scope of the present invention can not be limited with this.It is all according to the present invention
The equivalent transformation or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (10)
1. a kind of medicinal alcohol rectifier unit, including it is feed pump, secondary preheating device, rectifying column, reboiler, overhead condenser, slow
Rush tank, it is characterised in that：Also include tower top preheater and compensator, wherein, the feed pump connects with the tower top preheater
So that Diluted Alcohol is preheated into the tower top preheater, the tower top preheater also connected with the secondary preheating device so that
Diluted Alcohol after preheating is further preheated into secondary preheating device, the secondary preheating device connected with the rectifying column so that
Further the Diluted Alcohol after preheating enters the rectifying column, and the rectifying column connects with the reboiler so that Diluted Alcohol flows into again
The alcohol steam that boiling in device and makes to steam in reboiler enters the rectifying column, and the tower top of the rectifying column and the tower top are pre-
Hot device connects so that alcohol steam enters the tower top preheater and heat is transmitted into the Diluted Alcohol, the tower top preheater also and
The compensator is connected so that liquefied alcohol flows into the tower top preheater, and the tower top preheater is also cold with the tower top
Condenser is connected so that not liquefied alcohol steam is liquefied into the overhead condenser, the compensator also with the tower top
Condenser connection for after overhead condenser liquefies alcohol flow into, the compensator also connected with the surge tank so that
Mixed alcohol flows into the surge tank and stored in the compensator.
2. medicinal alcohol rectifier unit according to claim 1, it is characterised in that：The rectifying column includes internal provided with more
The tower body of layer ripple packing, the tower body by the tower section I, tower section II, tower section III that set gradually and be interconnected from top to bottom with
And tower reactor composition, the secondary preheating device connect with the tower section I, the tower section III.
3. medicinal alcohol rectifier unit according to claim 2, it is characterised in that：The tower reactor and the reboiler connect
Connect.
4. the medicinal alcohol rectifier unit according to claim 1 or 3, it is characterised in that：The reboiler includes cylinder, institute
Stating cylinder has chuck, and the steam multitube for being used for leading to steam is provided with the chuck.
5. medicinal alcohol rectifier unit according to claim 4, it is characterised in that：The secondary preheating device and described boil again
Device connection makes the steam condensate (SC) in the chuck enter the secondary preheating device to Diluted Alcohol progress to be connected with the chuck
Further preheating.
6. medicinal alcohol rectifier unit according to claim 1, it is characterised in that：The medicinal alcohol rectifier unit also includes
With the tank connected backflow of the buffering and recovery pump, the backflow and recovery pump respectively with the rectifying column, a discharging cooler
Connection.
7. medicinal alcohol rectifier unit according to claim 6, it is characterised in that：The medicinal alcohol rectifier unit also includes
Based on the alcohol concentration of the concentration of the recovered alcohol received by measuring the surge tank, the alcohol concentration meter is located at the buffering
On tank or between the surge tank and the backflow and recovery pump.
8. medicinal alcohol rectifier unit according to claim 7, it is characterised in that：The medicinal alcohol rectifier unit also includes
Located at the outlet valve to flow back between recovery pump and the discharging cooler, located at the backflow and recovery pump and the essence
The return valve between the refluxing opening of tower and the controller being mutually electrically connected with the outlet valve and the return valve are evaporated,
The controller, prestore the setting value of recovered alcohol concentration and for receiving the recovery wine that online alcohol concentration measures
The measured concentration of essence, and measured concentration and setting value are compared；It is additionally operable to when measured concentration is more than or equal to setting value to institute
Outlet valve is stated to send the first opening control signal and send the second closing control signal to the return valve, and in measured concentration
The first closing control signal is sent to the outlet valve and send the second unlatching control letter to the return valve during less than setting value
Number；
The outlet valve, believe for being opened in response to first opening control signal, in response to first closing control
Number and close；
The return valve, believe for being opened in response to second opening control signal, in response to second closing control
Number and close.
9. medicinal alcohol rectifier unit according to claim 6, it is characterised in that：The medicinal alcohol rectifier unit also includes
For the tail gas condenser for further reclaiming the tail gas after alcohol recycle, the tail gas condenser respectively with the compensator,
Pipeline connection between the backflow and recovery pump and the discharging cooler.
10. medicinal alcohol rectifier unit according to claim 1, it is characterised in that：The feed pump, secondary preheating device,
Connection between rectifying column, reboiler, overhead condenser, surge tank realized by pipeline respectively, the medicinal alcohol rectifier unit
Also include controller, the controller and the feed pump and located at the feed pump, secondary preheating device, rectifying column, boil again
Device, overhead condenser, the valve on surge tank or on the pipeline between it are mutually electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213290.8A CN107774004A (en) | 2017-11-28 | 2017-11-28 | A kind of medicinal alcohol rectifier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213290.8A CN107774004A (en) | 2017-11-28 | 2017-11-28 | A kind of medicinal alcohol rectifier unit |
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| Publication Number | Publication Date |
|---|---|
| CN107774004A true CN107774004A (en) | 2018-03-09 |
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ID=61431156
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711213290.8A Pending CN107774004A (en) | 2017-11-28 | 2017-11-28 | A kind of medicinal alcohol rectifier unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457167A (en) * | 2021-01-05 | 2021-03-09 | 宜兴市昌华过滤器材有限公司 | System and process for recovering ethanol in blood product waste liquid |
| CN113088421A (en) * | 2021-03-30 | 2021-07-09 | 四川宜宾江源化工机械制造有限责任公司 | Method and device for reducing pathogenic substances in white spirit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112457167A (en) * | 2021-01-05 | 2021-03-09 | 宜兴市昌华过滤器材有限公司 | System and process for recovering ethanol in blood product waste liquid |
| CN113088421A (en) * | 2021-03-30 | 2021-07-09 | 四川宜宾江源化工机械制造有限责任公司 | Method and device for reducing pathogenic substances in white spirit |
| CN115177965A (en) * | 2022-07-11 | 2022-10-14 | 西安国康瑞金制药有限公司 | System and method for recovering progesterone from progesterone production mother liquor |
| CN115177965B (en) * | 2022-07-11 | 2023-04-25 | 西安国康瑞金制药有限公司 | System and method for recovering progesterone from progesterone production mother liquor |
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