CN107281772A - Destilling tower, stoste purification system and process for purifying raw - Google Patents
Destilling tower, stoste purification system and process for purifying raw Download PDFInfo
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- CN107281772A CN107281772A CN201710578512.XA CN201710578512A CN107281772A CN 107281772 A CN107281772 A CN 107281772A CN 201710578512 A CN201710578512 A CN 201710578512A CN 107281772 A CN107281772 A CN 107281772A
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- Prior art keywords
- stoste
- circulation
- liquid
- vapor
- pipeline
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Classifications
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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
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- 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
- B01D3/007—Energy recuperation; Heat pumps
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C5/00—Production of pyroligneous acid distillation of wood, dry distillation of organic waste
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention provides a kind of destilling tower, stoste purification system and process for purifying raw, it is related to distilation technical field, the destilling tower that the present invention is provided, including vapor-liquid separation portion, heat exchanging part and circulation portions, heat exchanging part with circulation portions by being combined, by increasing capacitance it is possible to increase the thermal efficiency, improves production capacity；Meanwhile, by setting vapor-liquid separating device in vapor-liquid separation portion, it is possible to prevente effectively from the drop that boiling is splashed is discharged jointly with the cut steamed, and the finished product purity to purification is impacted.The stoste purification system that the present invention is provided, using the destilling tower that provides of the present invention, with cost is low, efficiency high, saves the advantage of the energy；The process for purifying raw that the present invention is provided applies the stoste purification system that the present invention is provided, the composition of stoste is set not decompose or react by second distillation, retain active ingredient, utilization rate is higher, gained finished product purity is also higher, meanwhile, using the cut of single flash as second distillation thermal source, the energy is saved, and quantity-produced purpose can be reached.
Description
Technical field
The present invention relates to distilation technical field, carried more particularly, to a kind of destilling tower, stoste purification system and stoste
Pure method.
Background technology
Bamboo vinegar is to collect the gas that bamboo wood is produced in pyrolytic during being made charcoal with bamboo wood, and by this gas
Body cools down obtained liquid substance at normal temperatures.Bamboo vinegar contains nearly 300 kinds of natural polymer organic compounds, there is organic acid
Class, alcohols, ketone, aldehydes, esters and micro alkaline components etc..Bamboo vinegar has many functions, its group to plant and animal
Knit with good permeability and absorbability, the stench of excrement and garbage to domestic animal also has the effect eliminated.Bamboo vinegar
In terms of liquid can also play a part of plant hormone, micro bamboo vinegar is added to crop, then can play promotion plant establishment,
Germination, growth, the effect for making the taste of fruit improve.In a word, it can be widely applied to each fields such as agricultural, medical treatment, health care..
Pyrolkigneous liquid is the acidic liquid of the PH3 degree using acetic acid as main component, composition and the tone extremely phase with vinegar
Seemingly, each formed by different methods is refined.Therefore pyrolkigneous liquid is that trees are carbonized, and it is naturally cold again that its energy is converted into gas
But formed into concentrated liquid.Containing K, Ca, Mg, Zn, Ge, Mn, the mineral matter such as Fe, additionally containing vitamin B1And B2, general wood
Vinegar liquid is widely used in fields such as agricultural, feed industry, industry, business.
However, due to bamboo vinegar and the complicated component of pyrolkigneous liquid, directly producing obtained bamboo vinegar or pyrolkigneous liquid often going out
The phenomenons such as existing muddy, layering, harmful effect is produced to normal use.The bamboo vinegar commonly used at present or the method for purification master of pyrolkigneous liquid
To include settled process, the way of distillation and chemical purification.Wherein, time-consuming, efficiency is low for settled process, it is impossible to fundamentally solves stoste
Because of phenomenons such as muddy caused by complicated component, layerings；Way of distillation investment is larger, and cost is high, and consumption mass energy；Chemistry is carried
Pure method can not be produced continuously, and the chemical reagent newly introduced can be polluted to stoste, and purity is difficult to ensure that.
Therefore, a kind of low cost, efficiency high, purification purity are developed high, can continuously produces and not expend mass energy
Method of purification is particularly important.
In view of this, it is special to propose the present invention.
The content of the invention
First purpose of the present invention is to provide a kind of destilling tower, and second object of the present invention is to provide a kind of original
Liquid purification system, third object of the present invention is to provide a kind of process for purifying raw, to alleviate present in prior art
The technical problem that method of purification cost is high, efficiency is low, energy resource consumption is high and purity is difficult to ensure that.
A kind of destilling tower that the present invention is provided, the destilling tower includes：
Vapor-liquid separation portion, heat exchanging part and circulation portions；
The heat exchanging part includes thermal source accommodating chamber and the stoste heat exchange pipeline in the thermal source accommodating chamber, the stoste
Heat exchange pipeline one end open is in the vapor-liquid separation portion, and for cut discharge, the other end is opened on the circulation portions, for stoste
Circulation；
The vapor-liquid separation portion is provided with a fraction outlets, the discharge for end vapors；
Vapor-liquid separating device is additionally provided with the vapor-liquid separation portion, the vapor-liquid separating device is located at the stoste heat exchanger tube
Between road and the fraction outlets.
Further, the circulation portions include the stoste chamber positioned at the heat exchanging part lower end, located at the stoste cavity wall
On stoste loop head, the circulation pipe of stoste loop exit and the connection stoste loop head and stoste loop exit.
Further, the stoste heat exchange pipeline includes interconnected circulation up-hill line and circulation downstream pip；
The one end open of the circulation up-hill line is in the vapor-liquid separation portion, and the other end is opened on the stoste chamber；
The one end open of the circulation downstream pip is in the vapor-liquid separation portion, and the other end is connected to the stoste and recycled
Mouthful.
Further, the side wall of the thermal source accommodating chamber is provided with condensate outlet, for discharging condensate liquid.
Present invention also offers a kind of stoste purification system, including above-mentioned destilling tower.
Further, the stoste purification system includes：
Pass sequentially through the first destilling tower, after-fractionating tower, condenser and the first collecting tank that pipeline connects；
The vapor-liquid separation portion of first destilling tower and the thermal source accommodating chamber of the after-fractionating tower pass through the first pipeline phase
Connect, the circulation portions of first destilling tower and the circulation portions of the after-fractionating tower are connected by second pipe, described second steams
The vapor-liquid separation portion for evaporating tower is connected by the 3rd pipeline with the condenser, and the condenser is collected by the 4th pipeline with being used for
First collecting tank of finished product connects.
Further, the circulation portions of the after-fractionating tower are also connected with residual after distillation for collecting by the 5th pipeline
Second collecting tank of liquid.
Further, the condensate outlet of the after-fractionating tower is connected by the 6th pipeline with the 4th pipeline.
In addition, present invention also offers a kind of process for purifying raw, being purified using above-mentioned stoste purification system, institute
Stating process for purifying raw includes：Feed stock solutions initially enter first destilling tower and carry out single flash, obtain the first cut and
First raffinate, first cut enters the thermal source accommodating chamber of the after-fractionating tower by first pipeline, as described
The thermal source of after-fractionating tower；First raffinate enters the circulation portions of the after-fractionating tower by the second pipe, in institute
State and second distillation is carried out in after-fractionating tower, obtain the second cut and the second raffinate；Second cut passes through the described 3rd pipe
Road is condensed into condenser, and condensate liquid enters first collecting tank by the 4th pipeline, obtains finished product.
Further, the stoste is raw liquid of bamboo vinegar or pyrolkigneous liquid stoste.
The destilling tower that the present invention is provided, including vapor-liquid separation portion, heat exchanging part and circulation portions, heat exchanging part by with circulation portions knot
Close, by increasing capacitance it is possible to increase the thermal efficiency, improve production capacity, enable amount is fully utilized, and cost is low, save the energy；Meanwhile, by vapour
Liquid separation unit sets vapor-liquid separating device, it is possible to prevente effectively from the drop that boiling is splashed is discharged jointly with the cut steamed, and it is right
The finished product purity of purification is impacted.The stoste purification system that the present invention is provided, using the destilling tower that provides of the present invention, with into
This low, efficiency high, saves the advantage of the energy；The process for purifying raw that the present invention is provided applies the stoste purification that the present invention is provided
System, makes the composition of stoste not decompose or react by second distillation, retains active ingredient, and utilization rate is higher, gained finished product
Purity is also higher, meanwhile, using the cut of single flash as the thermal source of second distillation, the energy is saved, and can reach continuous
The purpose of production.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the direction view A-A ' for the destilling tower that the embodiment of the present invention 1 is provided；
Fig. 2 is the A-A ' sectional views that the destilling tower that the embodiment of the present invention 1 is provided represents Fig. 1；
Fig. 3 is the top view of the heat exchanging part for the destilling tower that the embodiment of the present invention 1 is provided；
Fig. 4 is the direction view B-B ' for the stoste purification system that the embodiment of the present invention 2 is provided；
Fig. 5 is the B-B ' sectional views that the stoste purification system that the embodiment of the present invention 2 is provided represents Fig. 4；
Fig. 6 is the flow chart for the stoste purification that the embodiment of the present invention 2 is provided.
Icon：1- vapor-liquid separations portion；2- thermal source accommodating chambers；3- stoste chambers；4- stoste loop heads；5- stostes are recycled
Mouthful；6- circulation pipes；7- circulates up-hill line；8- circulates downstream pip；The destilling towers of 9- first；10- after-fractionating towers；11- is condensed
Device；The collecting tanks of 12- first；The collecting tanks of 14- second；15- circulating pumps；16- vacuum cycle passages；17- vavuum pumps；18- thermals source enter
Mouthful；19- condensate outlets；20- feed(raw material)inlets；21- fraction outlets；22- vapor-liquid separating devices.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it are based on orientation shown in the drawings or position
Relation, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The invention provides a kind of destilling tower, including：
Vapor-liquid separation portion 1, heat exchanging part and circulation portions；
Heat exchanging part includes thermal source accommodating chamber 2 and the stoste heat exchange pipeline in thermal source accommodating chamber 2, stoste heat exchange pipeline one
End opening is in vapor-liquid separation portion 1, for cut discharge, and the other end is opened on circulation portions, the circulation for stoste；
Vapor-liquid separation portion 1 is provided with a fraction outlets 21, the discharge for end vapors；
Vapor-liquid separating device 22 is additionally provided with vapor-liquid separation portion 1, vapor-liquid separating device 22 is located at stoste heat exchange pipeline with evaporating
Between sub-export 21, for preventing stoste from entering.
In the course of work of destilling tower, the stoste in destilling tower can be caused to seethe with excitement due to high temperature, by being exchanged heat in stoste
Vapor-liquid separating device 22 is set between pipeline and fraction outlets 21, it is possible to prevente effectively from the drop that boiling is splashed is with the cut steamed
Commonly through fraction outlets (21), and the finished product purity to purification is impacted.
In the present invention, the liquid level observing that vapor-liquid separation portion is additionally provided with liquid-level visual window, vapor-liquid separation portion 1 is more directly perceived.
Heat exchanging part with circulation portions by being combined, by increasing capacitance it is possible to increase the thermal efficiency, improves production capacity, and enable amount is fully utilized,
Cost is low, saves the energy.
In the present invention, a thermal source import 18 is additionally provided with the side wall of thermal source accommodating chamber 2, for being passed through thermal source.
Wherein, thermal source can be hot water, hot-air or vapours.
In the present invention, circulation portions include the stoste chamber 3 positioned at heat exchanging part lower end, the stoste on the body wall of stoste chamber 3
The circulation pipe 6 of loop head 4, stoste loop exit 5 and connection stoste loop head 4 and stoste loop exit 5.
Wherein, circulation pipe 6 is provided with circulating pump 15, and circulating pump 15 is used to produce circulation power, stoste is circulated from stoste
Outlet 5 flows into circulation pipe 6, and enters stoste chamber 3 by stoste loop head 4, completes a circulation.
In the present invention, circulation portions are additionally provided with feed(raw material)inlet 20, enter for feed stock solutions.
In the present invention, stoste heat exchange pipeline includes interconnected circulation up-hill line 7 and circulation downstream pip 8；
The one end open of up-hill line 7 is circulated in vapor-liquid separation portion 1, the other end is opened on stoste chamber 3；
The one end open of downstream pip 8 is circulated in vapor-liquid separation portion 1, the other end is connected to stoste loop exit 5.
Under the drive of circulating pump 15, stoste enters circulation up-hill line 7 from stoste chamber 3, and by circulating ascending tube
The tube wall in road 7 and the heat exchange action heating stoste of thermal source, so as to produce end vapors, produced end vapors enter vapour
Liquid separation unit 1, the stoste after heating flows into circulation downstream pip 8 from circulation up-hill line 7, and is entered by stoste loop exit 5
Enter circulation pipe 6, stoste chamber 3 is again introduced under the drive of circulating pump 15, thus complete a circulation.
Wherein, circulating pump 15 is the variable frequency pump of adjustable flow, and produced flow is 1500-3000L/min.
In the presence of circulation portions, stoste repeatedly circulates heating for multiple times, can not only increase the thermal efficiency, improves production capacity, also
Stoste can be maximally utilised, economized on resources and cost.
In the present invention, circulation up-hill line 7 quantity be no less than 4, for example can be, but be not limited to 4,5,6
Root, 7,8,9 or 10.
In one preferred embodiment, the quantity of circulation up-hill line 7 is 10.
The quantity for circulating up-hill line 7 is more, and the heat exchange carried out by tube wall with the thermal source in thermal source accommodating chamber 2 is more filled
Point, the increase thermal efficiency is reached, the purpose of production capacity is improved.
In the present invention, the side wall of thermal source accommodating chamber 2 is provided with condensate outlet 19, for discharging condensate liquid.
In the present invention, temperature survey flange, pressure measxurement flange and flow controller are additionally provided with inside destilling tower, and
Corresponding display instrument is provided with outside destilling tower, the purpose of control outside interior condition is reached, there is parameter stability.
Meanwhile, steam super-pressure safety valve and low pressure breather valve are additionally provided with outside destilling tower, in steam pressure above or below preset value
When can automatically turn on, improve safety in utilization.
Wherein, inside destilling tower pressure, temperature and liquid inlet volume, can by observe the display instrument outside destilling tower come
Adjusted manually as needed, may be alternatively provided as Automatic Control.
Present invention also offers a kind of stoste purification system, including above-mentioned destilling tower.
The stoste purification system that the present invention is provided, using the destilling tower that provides of the present invention, with cost is low, efficiency high, section
The about advantage of the energy.
In the present invention, stoste purification system includes：
Pass sequentially through the first destilling tower 9, after-fractionating tower 10, the collecting tank 12 of condenser 11 and first that pipeline connects；
The vapor-liquid separation portion 1 of first destilling tower 9 and the thermal source accommodating chamber 2 of after-fractionating tower 10 are connected by the first pipeline,
The circulation portions of first destilling tower 9 and the circulation portions of after-fractionating tower 10 are connected by second pipe, the vapour-liquid of after-fractionating tower 10
Separation unit 1 is connected by the 3rd pipeline with condenser 11, and condenser 11 is received by the 4th pipeline with first for collecting finished product
Collection tank 12 connects.
Wherein, the first destilling tower 9 is malleation destilling tower, and pressure is 0.11-0.18MPa, and temperature is 100-120 DEG C；Second
Destilling tower 10 is vacuum distillation tower, and pressure is 0.04-0.09MPa, and temperature is 60-90 DEG C.Malleation distillation is small by most of boiling point
Purified in 120 DEG C of cuts, the distillation of regulation negative pressure secondary can separate the cut that boiling point is more than 120 DEG C at low temperature, reduce high
Temperature for component influence and save the energy.Meanwhile, can be to not of the same race by setting the different pressures and temperature of destilling tower
The stoste of class carries out distilation, widely applicable.
In the present invention, the circulation portions of after-fractionating tower 10 are also connected with residual after distillation for collecting by the 5th pipeline
Second collecting tank 14 of liquid.
Wherein, pump or valve are additionally provided with the 5th pipeline, the discharge for controlling raffinate.
In the present invention, the condensate outlet 19 of after-fractionating tower 10 is connected by the 6th pipeline with the 4th pipeline.
In the present invention, vacuum cycle passage 16 is additionally provided between the collecting tank 12 of condenser 11 and first, vacuum cycle is led to
Road 16 is provided with a vavuum pump 17.
In addition, present invention also offers a kind of process for purifying raw, purified using above-mentioned stoste purification system, it is former
Liquid method of purification includes：Feed stock solutions initially enter the first destilling tower 9 and carry out single flash, obtain the first cut and first residual
Liquid, the first cut enters the thermal source accommodating chamber 2 of after-fractionating tower 10 by the first pipeline, is used as the thermal source of after-fractionating tower 10；
First raffinate enters the circulation portions of after-fractionating tower 10 by second pipe, and second distillation is carried out in after-fractionating tower 10, is obtained
To the second cut and the second raffinate；Second cut is condensed by the 3rd pipeline into condenser 11, and condensate liquid passes through
4th pipeline enters the first collecting tank 12, obtains finished product.
The process for purifying raw that the present invention is provided applies the stoste purification system that the present invention is provided, and is made by second distillation
The utilization rate of stoste is higher, and gained finished product purity is also higher, meanwhile, using the cut of single flash as second distillation thermal source,
The energy is saved, and quantity-produced purpose can be reached.
Wherein, the first cut and the second cut are hot end vapors.
In the present invention, stoste is raw liquid of bamboo vinegar or pyrolkigneous liquid stoste.
In the stoste purification system provided using the present invention, feed stock solutions enter first from feed(raw material)inlet 20 first and distilled
In the stoste chamber 3 of tower 9, while be passed through thermal source into the thermal source accommodating chamber 2 of the first destilling tower 9 by thermal source import 18, adjustment the
Temperature, pressure and liquid inlet volume in one destilling tower 9；The circulating pump 15 of the first destilling tower 9 is opened, makes feed stock solutions from the first distillation
The stoste chamber 3 of tower 9 enters in circulation up-hill line 7, and the first cut produced by heat exchange action enters the first destilling tower 9
Vapor-liquid separation portion 1, the first raffinate enters circulation downstream pip 8, and inflow is former in the presence of the circulating pump 15 of the first destilling tower 9
In sap cavity 3, while circulation distillation, part material stoste and the first raffinate enter following for after-fractionating tower 10 by second pipe
Ring portion；First cut passes through fraction outlets 21, the first pipeline and after-fractionating by vapor-liquid separating device 22 from vapor-liquid separation portion 1
The thermal source import 18 of tower 10 enters the thermal source accommodating chamber 2 of after-fractionating tower 10, is used as the thermal source of after-fractionating tower 10；Adjustment second
Temperature, pressure and liquid inlet volume in destilling tower 10；The circulating pump 15 of after-fractionating tower 10 is opened, makes the first raffinate from after-fractionating
The stoste chamber 3 of tower 10 enters in circulation up-hill line 7, and the second cut produced by heat exchange action enters after-fractionating tower 10
Vapor-liquid separation portion 1, the second raffinate enter circulation downstream pip 8, and in the presence of the circulating pump 15 of after-fractionating tower 10 flow
Enter in stoste chamber 3, circulation distillation；Open vavuum pump 17, the fraction outlets 21 and the 3rd that the second cut passes through after-fractionating tower 10
Pipeline is condensed into condenser 11, and obtained condensate liquid is finished product, into the first collecting tank 12；Meanwhile, positioned at second
The first cut in the thermal source accommodating chamber 2 of destilling tower 10, all condenses while heat exchange is carried out, obtains condensate liquid and be similarly
Finished product, enters the 6th passage in the presence of vavuum pump 17 by condensate outlet 19, flows into the first collecting tank 12.Work as completion
When distilation is operated, the pump or valve on the 5th pipeline are opened, the second raffinate of control is expelled to the second collecting tank 14.
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and this should not be limited with this
The protection domain of invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of destilling tower, including heat exchanging part, the vapour above heat exchanging part are present embodiments provided
Liquid separation unit 1 and the circulation portions below heat exchanging part.
Wherein, heat exchanging part includes thermal source accommodating chamber 2 and the stoste heat exchange pipeline in thermal source accommodating chamber 2.Stoste exchanges heat
Pipeline includes interconnected circulation up-hill line 7 and circulation downstream pip 8；The one end open of up-hill line 7 is circulated in vapour-liquid
Separation unit 1, the other end is opened on stoste chamber 3；The one end open of downstream pip 8 is circulated in vapor-liquid separation portion 1, the other end is connected to
Stoste loop exit 5.A thermal source import 18 is additionally provided with the side wall of thermal source accommodating chamber 2, for being passed through thermal source.
As shown in figure 3, in the present embodiment, the quantity of circulation up-hill line 7 is 10, enclose located at circulation downstream pip 8
Around.
Vapor-liquid separation portion 1 is provided with a fraction outlets 21, the discharge for end vapors；
Vapor-liquid separating device 22 is additionally provided with vapor-liquid separation portion 1, vapor-liquid separating device 22 is located at stoste heat exchange pipeline with evaporating
Between sub-export 21, for preventing stoste from entering.
Circulation portions include the stoste chamber 3 positioned at heat exchanging part lower end, stoste loop head 4, original on the body wall of stoste chamber 3
The circulation pipe 6 of liquid loop exit 5 and connection stoste loop head 4 and stoste loop exit 5.Circulation portions are additionally provided with feed(raw material)inlet
20, enter for feed stock solutions.
Circulation pipe 6 is followed provided with the circulating pump 15 that the flow produced is 1500-3000L/min, circulating pump 15 for generation
Gyration power.In the presence of circulation portions, stoste repeatedly circulates heating for multiple times, can not only increase the thermal efficiency, improves production capacity, moreover it is possible to
Enough maximally utilise stoste, economize on resources and cost.
In the present embodiment, temperature survey flange, pressure measxurement flange and flow controller are additionally provided with inside destilling tower, and
And corresponding display instrument is provided with outside destilling tower, reach the purpose of control outside interior condition.Meanwhile, outside destilling tower
Steam super-pressure safety valve and low pressure breather valve are additionally provided with, can automatically turn on, carry when steam pressure is above or below preset value
High safety in utilization.
In the destilling tower provided using the present embodiment, feed stock solutions enter in stoste chamber 3 from feed(raw material)inlet 20 first, together
When by being passed through thermal source in the heat source accommodating chamber 2 of thermal source import 18, adjustment temperature, pressure and liquid inlet volume；Open the circulation pump 15,
Under the drive of circulating pump 15, stoste enters circulation up-hill line 7 from stoste chamber 3, and by circulate the tube wall of up-hill line 7 with
The heat exchange action heating stoste of thermal source, so as to produce end vapors, produced end vapors enter vapor-liquid separation portion 1,
Stoste after heating flows into circulation downstream pip 8 from circulation up-hill line 7, and enters circulation pipe 6 by stoste loop exit 5,
Stoste chamber 3 is again introduced under the drive of circulating pump 15, a circulation is thus completed.
Embodiment 2
Present embodiments provide a kind of stoste purification system, including the destilling tower that embodiment 1 is provided.
As shown in Figure 4 and Figure 5, stoste purification system includes：
Pass sequentially through the first destilling tower 9, after-fractionating tower 10, the collecting tank 12 of condenser 11 and first that pipeline connects；
The vapor-liquid separation portion 1 of first destilling tower 9 and the thermal source accommodating chamber 2 of after-fractionating tower 10 are connected by the first pipeline,
The circulation portions of first destilling tower 9 and the circulation portions of after-fractionating tower 10 are connected by second pipe, the vapour-liquid of after-fractionating tower 10
Separation unit 1 is connected by the 3rd pipeline with condenser 11, and condenser 11 is received by the 4th pipeline with first for collecting finished product
Collection tank 12 connects.
Wherein, the circulation portions of after-fractionating tower 10 also by the 5th pipeline be connected with for collect the raffinate after distillation the
Two collecting tanks 14.Pump or valve are additionally provided with 5th pipeline, the discharge for controlling raffinate.The condensate liquid of after-fractionating tower 10 goes out
Mouth 19 is connected by the 6th pipeline with the 4th pipeline.
In the present embodiment, vacuum cycle passage 16, vacuum cycle are additionally provided between the collecting tank 12 of condenser 11 and first
Passage 16 is provided with a vavuum pump 17.
In the stoste purification system purified bamboo vinegar liquid stoste provided using the present embodiment, as shown in fig. 6, raw liquid of bamboo vinegar
Enter first from feed(raw material)inlet 20 in the stoste chamber 3 of the first destilling tower 9, while by thermal source import 18 to the first destilling tower 9
The temperature being passed through in thermal source accommodating chamber 2 in thermal source, the first destilling tower 9 of adjustment is 110 DEG C, and pressure is 0.15MPa；First is opened to steam
The circulating pump 15 of tower 9 is evaporated, raw liquid of bamboo vinegar is entered from the stoste chamber 3 of the first destilling tower 9 in circulation up-hill line 7, passes through heat
The first cut that exchange interaction is produced enters the vapor-liquid separation portion 1 of the first destilling tower 9, and the first raffinate enters circulation downstream pip 8,
And flowed into the presence of the circulating pump 15 of the first destilling tower 9 in stoste chamber 3, while circulation distillation, part raw liquid of bamboo vinegar
Enter the circulation portions of after-fractionating tower 10 by second pipe with the first raffinate；First cut passes through vapor-liquid separating device 22 from vapour
Liquid separation unit 1 enters after-fractionating tower 10 by the thermal source import 18 of fraction outlets 21, the first pipeline and after-fractionating tower 10
Thermal source accommodating chamber 2, is used as the thermal source of after-fractionating tower 10；The temperature adjusted in after-fractionating tower 10 is 75 DEG C, and pressure is
0.04MPa；The circulating pump 15 of after-fractionating tower 10 is opened, the first raffinate is entered circulation from the stoste chamber 3 of after-fractionating tower 10
In up-hill line 7, the second cut produced by heat exchange action enters the vapor-liquid separation portion 1 of after-fractionating tower 10, and second is residual
Liquid enters circulation downstream pip 8, and is flowed into the presence of the circulating pump 15 of after-fractionating tower 10 in stoste chamber 3, circulation distillation；
Vavuum pump 17 is opened, the second cut carries out cold by the pipeline of fraction outlets 21 and the 3rd of after-fractionating tower 10 into condenser 11
Solidifying, obtained condensate liquid is the bamboo vinegar finished product after purification, into the first collecting tank 12；Meanwhile, positioned at after-fractionating tower 10
Thermal source accommodating chamber 2 in the first cut, carry out heat exchange while all condense, obtain condensate liquid be similarly purification after
Bamboo vinegar finished product, enters the 6th passage in the presence of vavuum pump 17 by condensate outlet 19, flows into the first collecting tank 12.
When completing raw liquid of bamboo vinegar purification operations, the pump or valve on the 5th pipeline are opened, the second raffinate of control is expelled to the second receipts
Collect tank 14, complete the purification of raw liquid of bamboo vinegar.
Embodiment 3
The stoste purification system purification pyrolkigneous liquid stoste that the present embodiment Application Example 2 is provided, idiographic flow is as follows：
Pyrolkigneous liquid stoste enters in the stoste chamber 3 of the first destilling tower 9 from feed(raw material)inlet 20 first, while passing through thermal source import
18 temperature being passed through into the thermal source accommodating chamber 2 of the first destilling tower 9 in thermal source, the first destilling tower 9 of adjustment are 105 DEG C, and pressure is
0.125MPa；The circulating pump 15 of the first destilling tower 9 is opened, pyrolkigneous liquid stoste is entered circulation from the stoste chamber 3 of the first destilling tower 9
In up-hill line 7, the first cut produced by heat exchange action enters the vapor-liquid separation portion 1 of the first destilling tower 9, the first raffinate
Flowed into circulation downstream pip 8, and in the presence of the circulating pump 15 of the first destilling tower 9 in stoste chamber 3, it is same that circulation is distilled
When, part pyrolkigneous liquid stoste and the first raffinate enter the circulation portions of after-fractionating tower 10 by second pipe；First cut passes through
The vapor-liquid separation portion 1 of vapor-liquid separating device 22 is entered by the thermal source import 18 of fraction outlets 21, the first pipeline and after-fractionating tower 10
Enter the thermal source accommodating chamber 2 of after-fractionating tower 10, be used as the thermal source of after-fractionating tower 10；Adjustment after-fractionating tower 10 in temperature be
85 DEG C, pressure is 0.06MPa；The circulating pump 15 of after-fractionating tower 10 is opened, makes the first raffinate from the stoste of after-fractionating tower 10
Chamber 3 enters in circulation up-hill line 7, and the second cut produced by heat exchange action enters the vapor-liquid separation of after-fractionating tower 10
Portion 1, the second raffinate enters circulation downstream pip 8, and the inflow stoste chamber 3 in the presence of the circulating pump 15 of after-fractionating tower 10
It is interior, circulation distillation；Vavuum pump 17 is opened, the second cut enters cold by the pipeline of fraction outlets 21 and the 3rd of after-fractionating tower 10
Condenser 11 is condensed, and obtained condensate liquid is the pyrolkigneous liquid finished product after purification, into the first collecting tank 12；Meanwhile, it is located at
The first cut in the thermal source accommodating chamber 2 of after-fractionating tower 10, all condenses while heat exchange is carried out, obtains condensate liquid same
Sample is the pyrolkigneous liquid finished product after purification, enters the 6th passage by condensate outlet 19 in the presence of vavuum pump 17, flows into the
In one collecting tank 12.When completing pyrolkigneous liquid stoste purification operations, the pump or valve on the 5th pipeline are opened, the second raffinate is controlled
The second collecting tank 14 is expelled to, the purification of pyrolkigneous liquid stoste is completed.
, can by carrying out the setting of different condition parameter to destilling tower it can be seen from above example 2 and embodiment 3
Distilation is carried out to different product, it is widely applicable.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of destilling tower, it is characterised in that the destilling tower includes：
Vapor-liquid separation portion (1), heat exchanging part and circulation portions；
The heat exchanging part includes thermal source accommodating chamber (2) and the stoste heat exchange pipeline in the thermal source accommodating chamber (2), the original
Liquid heat exchange pipeline one end open is in the vapor-liquid separation portion (1), for cut discharge, and the other end is opened on the circulation portions, uses
In the circulation of stoste；
The vapor-liquid separation portion (1) is provided with a fraction outlets (21), the discharge for end vapors；
Vapor-liquid separating device (22) is additionally provided with the vapor-liquid separation portion (1), the vapor-liquid separating device (22) is located at the original
Between liquid heat exchange pipeline and the fraction outlets (21), for preventing stoste from entering.
2. destilling tower according to claim 1, it is characterised in that the circulation portions are included positioned at the heat exchanging part lower end
Stoste chamber (3), the stoste loop head (4), stoste loop exit (5) and connection on stoste chamber (3) body wall is described
The circulation pipe (6) of stoste loop head (4) and stoste loop exit (5).
3. destilling tower according to claim 2, it is characterised in that the stoste heat exchange pipeline includes interconnected circulation
Up-hill line (7) and circulation downstream pip (8)；
The one end open of the circulation up-hill line (7) is in the vapor-liquid separation portion (1), and the other end is opened on the stoste chamber
(3)；
The one end open of the circulation downstream pip (8) is in the vapor-liquid separation portion (1), and the other end is connected to the stoste circulation
Export (5).
4. destilling tower according to claim 3, it is characterised in that the side wall of the thermal source accommodating chamber (2) is provided with condensation
Liquid exports (19), for discharging condensate liquid.
5. a kind of stoste purification system, it is characterised in that including the destilling tower described in claim any one of 1-4.
6. stoste purification system according to claim 5, it is characterised in that the stoste purification system includes：
Pass sequentially through the first destilling tower (9), after-fractionating tower (10), condenser (11) and the first collecting tank that pipeline connects
(12)；
The vapor-liquid separation portion (1) of first destilling tower (9) and the thermal source accommodating chamber of the after-fractionating tower (10) are led to (2) and passed through
First pipeline connects, and the circulation portions of first destilling tower (9) and the circulation portions of the after-fractionating tower (10) pass through the second pipe
Road connects, and the vapor-liquid separation portion (1) of the after-fractionating tower (10) is connected by the 3rd pipeline with the condenser (11), described
Condenser (11) is connected by the 4th pipeline with first collecting tank (12) for collecting finished product.
7. stoste purification system according to claim 6, it is characterised in that the circulation portions of the after-fractionating tower (10) are also
The second collecting tank (14) for collecting the raffinate after distillation is connected with by the 5th pipeline.
8. stoste purification system according to claim 6, it is characterised in that the condensate liquid of the after-fractionating tower (10) goes out
Mouth (19) is connected by the 6th pipeline with the 4th pipeline.
9. a kind of process for purifying raw, it is characterised in that the stoste purification system described in application claim any one of 6-8 is carried out
Purification, the process for purifying raw includes：Feed stock solutions initially enter first destilling tower (9) and carry out single flash, obtain
First cut and the first raffinate, the thermal source that first cut enters the after-fractionating tower (10) by first pipeline hold
Receive chamber (2), be used as the thermal source of the after-fractionating tower (10)；First raffinate enters described second by the second pipe
The circulation portions of destilling tower (10), second distillation is carried out in the after-fractionating tower (10), the second cut and the second raffinate is obtained；
Second cut is condensed by the 3rd pipeline into the condenser (11), and condensate liquid is entered by the 4th pipeline
First collecting tank (12), obtains finished product.
10. the stoste purification system described in destilling tower, claim any one of 6-8 according to claim any one of 1-4
With the process for purifying raw described in claim 9, it is characterised in that the stoste is raw liquid of bamboo vinegar or pyrolkigneous liquid stoste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578512.XA CN107281772A (en) | 2017-07-14 | 2017-07-14 | Destilling tower, stoste purification system and process for purifying raw |
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| CN201710578512.XA CN107281772A (en) | 2017-07-14 | 2017-07-14 | Destilling tower, stoste purification system and process for purifying raw |
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| CN107281772A true CN107281772A (en) | 2017-10-24 |
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| CN201710578512.XA Pending CN107281772A (en) | 2017-07-14 | 2017-07-14 | Destilling tower, stoste purification system and process for purifying raw |
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Cited By (2)
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| CN109647095A (en) * | 2019-01-25 | 2019-04-19 | 江苏师范大学 | Heat-exchange tube for environmentally friendly gas cleaning plant |
| CN112742052A (en) * | 2020-12-09 | 2021-05-04 | 安徽金禾实业股份有限公司 | Continuous distillation equipment of heat sensitive material |
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