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CN105289024B - A kind of vacuum concentration equipment and method for concentration - Google Patents

A kind of vacuum concentration equipment and method for concentration Download PDF

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Publication number
CN105289024B
CN105289024B CN201510818132.XA CN201510818132A CN105289024B CN 105289024 B CN105289024 B CN 105289024B CN 201510818132 A CN201510818132 A CN 201510818132A CN 105289024 B CN105289024 B CN 105289024B
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vacuum
film
concentration
conveying pipeline
concentrator
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CN105289024A (en
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马凤鸣
李浦
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Shenyang Agricultural University
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Shenyang Agricultural University
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Abstract

The invention discloses a kind of concentrator, more particularly to a kind of vacuum concentration equipment and method for concentration.A kind of vacuum concentration equipment, feed spray system is connected by the first conveying pipeline with film concentration systems, film concentration systems bottom is provided with continuous discharge system, continuous discharge system is connected with film concentration systems, continuous discharge system is connected with feed spray system and finished product discharging opening respectively, continuous discharge system is connected by secondary vacuum-pumping tube with vacuum system, heating and cooling system is provided with outside film concentration systems and the preheater of feed spray system, the second thin film concentrator of film concentration systems is connected by main vacuum-pumping tube with vacuum system.The present invention passes through spraying and two vacuum concentration systems of film, improve thickening efficiency, cocnentration factor, concentration continuous operation, shorten concentration time, avoid injury of the high temperature to material, solvent evaporation amount maximum is up to more than 90%, and the more conventional concentration time can shorten more than 70%, reduce concentrated cost.

Description

A kind of vacuum concentration equipment and method for concentration
Technical field
The present invention relates to a kind of concentrator, more particularly to a kind of vacuum concentration equipment and method for concentration.
Background technology
Concentration is a kind of technological operation for being commonly used in production, in medical and health, food chemistry, environmental protection and organic Purposes is very wide in many industries such as synthesis.At present, conventional concentrator mainly has the concentration of nature film forming and inside and outside circulation dense Contracting.But, the concentration of natural film forming and interior circulation concentration have that thickening efficiency is low, cocnentration factor is small, poor for applicability, intermittently operated etc. Problem;Although the first two that outer circulation concentration concentrated effect compares improves notable, he still has heat time length, concentration effect The low technical problem of rate.Although having been developed for efficiently rising film, falling liquid film, knifing and plate evaporation concentrator, together When also increase the complexity and volume of equipment, and need to consume the substantial amounts of energy, equipment cost is high, and use cost is high.Cause The evaporation concentration equipment that this develops efficient, low energy consumption, equipment is simple, operation is gentleer turns into those skilled in the art's urgent need and solved Technical problem certainly.
The content of the invention
The invention aims to overcome above-mentioned deficiency, and a kind of operation provided is continuous, energy consumption is low, thickening efficiency The high, vacuum concentration equipment and method for concentration that cocnentration factor is big, technique is simple, processing time is short.
In order to realize foregoing invention purpose, technical scheme is as follows:
A kind of vacuum concentration equipment, it is cold by feed spray system, film concentration systems, continuous discharge system, heating But system and vacuum system are formed by connecting.
Above-mentioned vacuum concentration equipment, its concrete structure is as follows:Feed spray system is dense by the first conveying pipeline and film Compression system is connected, and film concentration systems bottom is provided with continuous discharge system, continuous discharge system by the second conveying pipeline with it is thin Film concentration systems are connected, and continuous discharge system is connected with feed spray system and finished product discharging opening respectively by the 3rd conveying pipeline, Continuous discharge system is connected by secondary vacuum-pumping tube with vacuum system, outside the preheater of film concentration systems and feed spray system Heating and cooling system is provided with, the second thin film concentrator of film concentration systems is connected by main vacuum-pumping tube with vacuum system.
The structure of above-mentioned feed spray system is as follows:Material storage tank is connected by the first conveying pipeline with atomizer, atomization Device is arranged on the top of the first film inspissator of film concentration systems, the first conveying pipeline and is provided with preheater, the first conveying The first valve is provided with pipe.
The structure of above-mentioned film concentration systems is as follows:By being arranged on the first film inspissator on top and being arranged on first Second thin film concentrator of thin film concentrator lower end is constituted, and the inner chamber of the first film inspissator and the second thin film concentrator is connected Logical, the feeding mouth of the first film inspissator is the discharging opening of the atomizer of feed spray system, the bottom of the second thin film concentrator It is provided with clean-up port.
Above-mentioned the first film inspissator and the second thin film concentrator is connected by flange.
The structure of above-mentioned continuous discharge system is as follows:Main the second thin film concentrator by being arranged on film concentration systems The concentrate temporary storage tank of bottom is constituted, and concentrate temporary storage tank is connected by the discharging opening of the second conveying pipeline and the second thin film concentrator Connect, the second discharge valve and atmospheric valve are provided with the second conveying pipeline, the discharge end of concentrate temporary storage tank passes through the 3rd conveying pipeline It is connected respectively with the material storage tank charging aperture and finished product discharging opening of feed spray system, the 3rd is disposed with the 3rd conveying pipeline Outlet valve, delivery pump and sub-material switching valve;Concentrate temporary storage tank passes through on secondary vacuum-pumping tube and the main vacuum-pumping tube of vacuum system Gas-liquid separator connection, be provided with vacuum valve on secondary vacuum-pumping tube.
Above-mentioned heating and cooling system is made up of heat transfer medium transfer pipeline and control valve.
The structure of above-mentioned vacuum system is as follows:Main vacuum-pumping tube is connected with vavuum pump, the vacuum orifice of main vacuum-pumping tube It is arranged in the second thin film concentrator of film concentration systems, gas-liquid separator is provided with main vacuum-pumping tube.
A kind of vacuum concentration method, its step is as follows:Under the vacuum differential pressure action of vacuum system, material is sprayed by feeding Mist system is preheated, be atomized concentration after be transported in film concentration systems, secondary film concentration is carried out in film concentration systems, Material after film is concentrated is entered in the concentrate temporary storage tank of continuous discharge system, and continuous discharge system will be concentrated finally Material afterwards is respectively outputted to the material storage tank of finished product materials outlet or feed spray system.
Above-mentioned secondary film concentration is comprised the following steps that:It is dense that material carries out secondary film in the first film inspissator Contracting, the material after the concentration of secondary film, which is entered in the second thin film concentrator, further to be concentrated.
Above-mentioned secondary film concentration is comprised the following steps that:It is dense that material carries out secondary film in the first film inspissator Contracting, the material after the concentration of secondary film, which is entered, carries out cooling down operation in the second thin film concentrator, temperature of charge can be cold But extremely<40℃.
Due to using above-mentioned technical proposal so that the invention has the advantages that and effect:
Material is atomized after preheater is heated into atomizer, and the material of spray pattern considerably increases material Disengagement area, improves evaporation efficiency.When the atomization material having been warmed up enters inside inspissator, due to vacuum action, solvent Moment reaches that boiling point evaporates, and realizes spray concentration operation, and solvent evaporation capacity in several seconds, up to 68-72%, adds concentration effect Rate, shortens concentration time;Film concentration systems are mainly made up of the first film inspissator and the second thin film concentrator.First is thin Membrane concentrator and the second thin film concentrator realize that 4-100 DEG C of temperature is controllable;Material after spray concentration due to the effect of centrifugal force, Reach the first film inspissator inner wall surface and form uniform thin electrolyte film, and moved down along wall;The more natural film forming concentration of film forming Film forming is thinner, evenly, improves thickening efficiency, shortens concentration time.The first film inspissator and the second thin film concentrator Inner wall surface is heating surface, and material realizes that film is concentrated in folding process, concentration is further carried out to material;Second is thin The inner wall surface of membrane concentrator can also be cooling surface, can realize cooling down operation to thermo-responsive material, it is to avoid in operating process In, material causes nutritive loss by long-time heating;The first film inspissator and the second thin film concentrator chuck and preheater folder Set is connected in series, and heating medium is recycled, and improves heat utilization ratio.Vacuum system is mainly that concentration operation provides vacuum Solvent vapo(u)r is entered in gas-liquid separator by vacuum tube after condition, concentration, and the feed separation carried in solvent vapo(u)r is come out, and Into concentrate temporary storage tank, material recycle is realized, it is to avoid loss of material, solvent vapo(u)r carries out condensation recycling after separation.
The present invention improves thickening efficiency, cocnentration factor, the continuous behaviour of concentration by spraying and two vacuum concentration systems of film Make, shorten concentration time, it is to avoid injury of the high temperature to material, solvent evaporation amount maximum is up to more than 90%, more conventional dense Contracting processing time can shorten more than 70%, reduce concentrated cost.
Brief description of the drawings
Fig. 1 is the structural representation of vacuum concentration equipment of the present invention.
In figure, 1, feed spray system, 2, film concentration systems, 3, continuous discharge system, 4, heating and cooling system, 5, true Empty set is united, 101, material storage tank, the 102, first valve, 103, preheater, 104, atomizer, the 105, first conveying pipeline, 201, the One thin film concentrator, the 202, second thin film concentrator, 203, clean-up port, 301, concentrate temporary storage tank, the 302, second discharge valve, 303rd, atmospheric valve, 304, vacuum valve, the 305, the 3rd outlet valve, 306, delivery pump, 307, sub-material switching valve, the 308, the 3rd conveying Pipe, 309, secondary vacuum-pumping tube, the 310, second conveying pipeline, 501, main vacuum-pumping tube, 502, gas-liquid separator.
Embodiment
The present invention is explained in further detail with reference to embodiment.Following examples are only the specific reality of the present invention Example is applied, but the design concept of the present invention is not limited thereto, all changes for carrying out unsubstantiality to the present invention using this design, The behavior for invading the scope of the present invention should be belonged to.
The present invention relates to a kind of vacuum concentration equipment, it is by feed spray system 1, film concentration systems 2, continuous discharge System 3, heating and cooling system 4 and vacuum system 5 are formed by connecting.
As shown in figure 1, the concrete structure of vacuum concentration equipment of the present invention is as follows:Feed spray system 1 passes through the first conveying Pipe 105 is connected with film concentration systems 2, and the bottom of film concentration systems 2 is provided with continuous discharge system 3, and continuous discharge system 3 is led to Cross the second conveying pipeline 310 to be connected with film concentration systems 2, continuous discharge system 3 is sprayed with charging respectively by the 3rd conveying pipeline 308 Mist system 1 and the connection of finished product discharging opening, continuous discharge system 3 are connected by secondary vacuum-pumping tube 309 with vacuum system 5, and film is dense Heating and cooling system 4 is provided with outside compression system 2 and the preheater of feed spray system 1 103, the second of film concentration systems 2 is thin Membrane concentrator 202 is connected by main vacuum-pumping tube 501 with vacuum system 5.
The structure of above-mentioned feed spray system 1 is as follows:Material storage tank 101 passes through the first conveying pipeline 105 and atomizer 104 Connection, atomizer 104, which is arranged on the top of the first film inspissator 201 of film concentration systems 2, the first conveying pipeline 105, pacifies Equipped with preheater 103, the first valve 102 is provided with the first conveying pipeline 105;The structure of film concentration systems 2 is as follows:By setting The first film inspissator 201 and the structure of the second thin film concentrator 202 for being arranged on the lower end of the first film inspissator 201 on top Into the intracavity inter-connection of the thin film concentrator 202 of the first film inspissator 201 and second, the feeding mouth of the first film inspissator 201 For the discharging opening of the atomizer 104 of feed spray system 1, the bottom of the second thin film concentrator 202 is provided with clean-up port 203, the One thin film concentrator 201 and the second thin film concentrator 202 are connected by flange;The structure of continuous discharge system 3 is as follows:It is main by The concentrate temporary storage tank 301 for being arranged on the bottom of the second thin film concentrator 202 of film concentration systems 2 is constituted, concentrate temporary storage tank 301 are connected by the second conveying pipeline 310 with the discharging opening of the second thin film concentrator 202, and second is provided with the second conveying pipeline 310 Discharge valve 302 and atmospheric valve 303, the discharge end of concentrate temporary storage tank 301 by the 3rd conveying pipeline 308 respectively with feed spray The charging aperture of material storage tank 101 and finished product discharging opening of system 1 are connected, and the 3rd outlet valve is disposed with the 3rd conveying pipeline 308 305th, delivery pump 306 and sub-material switching valve 307;Concentrate temporary storage tank 301 passes through secondary vacuum-pumping tube 309 and the master of vacuum system 5 Gas-liquid separator 502 on vacuum-pumping tube 501 is connected, and vacuum valve 304 is provided with secondary vacuum-pumping tube 309;Heating and cooling system 4 It is to be made up of heat transfer medium transfer pipeline and control valve.The structure of vacuum system 5 is as follows:Main vacuum-pumping tube 501 and vavuum pump Connection, the vacuum orifice of main vacuum-pumping tube 501 is arranged in the second thin film concentrator 202 of film concentration systems 2, and master vacuumizes Gas-liquid separator 502 is provided with pipe 501.Heating and cooling system is identical with existing concentrator, is not described in detail, but this is not It can be used to limit the scope of the invention.
The first vacuum concentration method of the invention, it is comprised the following steps that:
The heating medium for turning on heating and cooling system enters the first film inspissator 201, the second thin film concentrator 202 and pre- Hot device 103 is preheated, and heating medium sequentially enters the first film inspissator 201, the second thin film concentrator 202 and preheater 103 chuck, heating-up temperature is controllable in the range of 30-100 DEG C.Upon reaching a predetermined temperature, start vavuum pump, reach predetermined true After reciprocal of duty cycle, the first valve 102 is opened, material is preheated by preheater 103, turning into fine drop through the atomization of atomizer 104 carries out mist Change concentration, material moment reaches boiling point, and 30%-70% solvents evaporate rapidly;Material after atomization concentration enters film concentration systems 2, due to the effect of the centrifugal force of atomizer 104, it is uniformly distributed in the inner wall surface of the first film inspissator 201, and along inner wall surface It is descending, film is formed, material is carried out at secondary film concentration by the thin film concentrator 202 of the first film inspissator 201 and second Reason, solvent evaporation amount maximum is up to more than 90%;By the two-step enrichment of 201 and second thin film concentrator of the first film inspissator 202 Material afterwards reaches the bottom of film concentration systems 2, enters concentrate temporary storage tank 301 through the second conveying pipeline 310, when concentrate is temporary After tank 301 is filled, the second discharge valve 302 and vacuum valve 304 are closed, atmospheric valve 303 is opened, when in concentrate temporary storage tank 301 Portion's pressure is reached after normal pressure, opens the 3rd outlet valve 305, starts delivery pump 306, if concentration material reaches requirement, directly will Concentrate is transported to finished product discharging opening;If material up to requiring, is not transmitted back to material storage tank 101, with delivered fresh by concentration material Material reenters concentration operation together.After conveying is finished, the outlet valve 305 of atmospheric valve 303 and the 3rd is closed, the second outlet valve is opened Door 302 and vacuum valve 304, recover vacuum state, are connected with film concentration systems 2, concentrate goes successively to concentrate temporary storage tank 301。
Second of vacuum concentration method of the invention, it is comprised the following steps that:
The heating medium of conducting heating and cooling system enters the first film inspissator 201 and preheater 103 is preheated, plus Thermal medium sequentially enters the chuck of the first film inspissator 201 and preheater 103, and heating-up temperature can in the range of 30-100 DEG C Control;The cooling medium for turning on heating and cooling system enters the second thin film concentrator 202, and chilling temperature can in the range of 4-25 DEG C Control;Upon reaching a predetermined temperature, start vavuum pump, reach after predetermined vacuum level, open the first valve 102, material is by preheater 103 preheatings, turn into fine drop through the atomization of atomizer 104 and carry out atomization concentration, material moment reaches boiling point, 30%-70% solvents Rapid evaporation;Material after atomization concentration enters film concentration systems 2, due to the effect of the centrifugal force of atomizer 104, is uniformly distributed In the inner wall surface of the first film inspissator 201, and it is descending along inner wall surface, film is formed, material passes through the first film inspissator 201 carry out secondary film concentrations, and solvent evaporation amount maximum is up to more than 90%;Thing after secondary film concentration Material is entered to be cooled down in the second thin film concentrator 202, and temperature of charge can be cooled to<40℃;Passed through after material concentration Cross the cooling immediately of the second thin film concentrator 202, it is to avoid material continues quilt after concentration in concentrate temporary storage tank 301 The problem of heating and cause active ingredient loss, is adapted to that thickening temperature is too high or heat time unsuitable long material;Through supercooling But the material after reaches the bottom of film concentration systems 2, enters concentrate temporary storage tank 301 through the second conveying pipeline 310, when concentrate is temporary Deposit after tank 301 fills, close the second discharge valve 302 and vacuum valve 304, atmospheric valve 303 is opened, when concentrate temporary storage tank 301 Internal pressure is reached after normal pressure, opens the 3rd outlet valve 305, starts delivery pump 306, if concentration material reaches requirement, directly Concentrate is transported to finished product discharging opening;It is and fresh if material is transmitted back to material storage tank 101 by concentration material not up to requiring Material reenters concentration operation together.After conveying is finished, the outlet valve 305 of atmospheric valve 303 and the 3rd is closed, second is opened and discharges Valve 302 and vacuum valve 304, recover vacuum state, are connected with film concentration systems 2, and concentrate goes successively to concentrate and kept in Tank 301.

Claims (4)

1. a kind of vacuum concentration equipment, it is characterised in that it is by feed spray system(1), film concentration systems(2), continuously go out Material system(3), heating and cooling system(4)And vacuum system(5)It is formed by connecting;Feed spray system(1)Pass through the first conveying pipeline (105)With film concentration systems(2)Connection, film concentration systems(2)Bottom is provided with continuous discharge system(3), continuous discharge System(3)Pass through the second conveying pipeline(310)With film concentration systems(2)Connection, continuous discharge system(3)Pass through the 3rd conveying pipeline (308)Respectively with feed spray system(1)And the connection of finished product discharging opening, continuous discharge system(3)Pass through secondary vacuum-pumping tube(309) With vacuum system(5)Connection, film concentration systems(2)With feed spray system(1)Preheater(103)It is cold that heating is provided with outside But system(4), atomizer(104)Installed in film concentration systems(2)The first film inspissator(201)Top, atomization Device(104)The effect of centrifugal force, is uniformly distributed in the first film inspissator(201)Inner wall surface, film concentration systems(2) Two thin film concentrators(202)Pass through main vacuum-pumping tube(501)With vacuum system(5)Connection;Described continuous discharge system(3)'s Structure is as follows:Mainly by being arranged on film concentration systems(2)The second thin film concentrator(202)The concentrate temporary storage tank of bottom (301)Constitute, concentrate temporary storage tank(301)Pass through the second conveying pipeline(310)With the second thin film concentrator(202)Discharging opening connect Connect, the second conveying pipeline(310)On be provided with the second discharge valve(302)And atmospheric valve(303), concentrate temporary storage tank(301)'s Discharge end passes through the 3rd conveying pipeline(308)Respectively with feed spray system(1)Material storage tank(101)Charging aperture and finished product discharging Mouth is connected, the 3rd conveying pipeline(308)On be disposed with the 3rd outlet valve(305), delivery pump(306)And sub-material switching valve (307);Concentrate temporary storage tank(301)Pass through secondary vacuum-pumping tube (309) and vacuum system(5)Main vacuum-pumping tube(501)On Gas-liquid separator(502)Vacuum valve is provided with connection, secondary vacuum-pumping tube (309)(304);Described vacuum system(5)Knot Structure is as follows:Main vacuum-pumping tube(501)It is connected with vavuum pump, main vacuum-pumping tube(501)Vacuum orifice be arranged on film concentration system System(2)The second thin film concentrator(202)It is interior, main vacuum-pumping tube(501)On be provided with gas-liquid separator(502).
2. a kind of vacuum concentration equipment according to claim 1, it is characterised in that described feed spray system(1)Knot Structure is as follows:Material storage tank(101)Pass through the first conveying pipeline(105)With atomizer(104)Connection, the first conveying pipeline(105)Upper peace Equipped with preheater(103), the first conveying pipeline(105)On be provided with the first valve(102).
3. a kind of vacuum concentration equipment according to claim 1, it is characterised in that described film concentration systems(2)Knot Structure is as follows:By the first film inspissator for being arranged on top(201)Be arranged on the first film inspissator(201)The second of lower end Thin film concentrator(202)Constitute, the first film inspissator(201)With the second thin film concentrator(202)Intracavity inter-connection, first Thin film concentrator(201)Feeding mouth be feed spray system(1)Atomizer(104)Discharging opening, the second thin film concentrator (202)Bottom be provided with clean-up port.
4. a kind of vacuum concentration equipment according to claim 1, it is characterised in that described heating and cooling system(4)Be by Heat transfer medium transfer pipeline and control valve are constituted.
CN201510818132.XA 2015-11-24 2015-11-24 A kind of vacuum concentration equipment and method for concentration Active CN105289024B (en)

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CN105289024B true CN105289024B (en) 2017-10-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905252B (en) * 2018-06-11 2021-02-19 江西国药有限责任公司 Drying method in production process of fermented cordyceps sinensis powder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2193763Y (en) * 1994-06-22 1995-04-05 陈忠东 Simple falling-film evaporator
JP2003508203A (en) * 1999-09-06 2003-03-04 イネオス フラウアー ホールデイングス リミテッド Apparatus and method for separating liquid mixture
CN201101899Y (en) * 2007-09-10 2008-08-20 河南润恒生物能源有限公司 Film evaporimeter
CN203816344U (en) * 2014-03-23 2014-09-10 胡森 Vacuum-separating device of fire resistant oil filtering machine
CN205109069U (en) * 2015-11-24 2016-03-30 沈阳农业大学 Vacuum concentration equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2193763Y (en) * 1994-06-22 1995-04-05 陈忠东 Simple falling-film evaporator
JP2003508203A (en) * 1999-09-06 2003-03-04 イネオス フラウアー ホールデイングス リミテッド Apparatus and method for separating liquid mixture
CN201101899Y (en) * 2007-09-10 2008-08-20 河南润恒生物能源有限公司 Film evaporimeter
CN203816344U (en) * 2014-03-23 2014-09-10 胡森 Vacuum-separating device of fire resistant oil filtering machine
CN205109069U (en) * 2015-11-24 2016-03-30 沈阳农业大学 Vacuum concentration equipment

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