CN102061105A - Method for digesting plant water-soluble pigment from mobile solid phase material in continuous gradient manner - Google Patents
Method for digesting plant water-soluble pigment from mobile solid phase material in continuous gradient manner Download PDFInfo
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Abstract
The invention discloses a method for digesting a plant water-soluble pigment from a mobile solid phase material in a continuous gradient manner, which comprises the steps of: covering the solid phase material with a net bag and transferring the solid phase material from one leaching tank to the other leaching tank by adopting a lifting device, keeping a leach liquor immovable during the transferring until the leach liquor in the leaching tank where the solid phase material is firstly dipped reaches the preset color value required by the process, and transferring the liquid material to a filter for carrying out subsequent working sequences. Because a mode that the solid phase material is only moved and the leaching solution is kept immovable within a working period is adopted, a plurality of leaching tanks naturally form a concentration gradient and are sequentially leached from a large gradient to a small gradient so as to be convenient for continuous production, improve the production capacity and be easy to obtain the leaching solution with higher concentration, thus the subsequent treatment is greatly reduced, the energy consumption is reduced, the yield is improved; the invention has the advantages of less equipment investment and simplicity of operation; and solid and liquid are discharged cleanly and conveniently, thus the blockage of the solid material is completely avoided.
Description
The ㈠ technical field: the present invention relates to a kind of method of extracting the plant water-soluble pigment, specifically is a kind of method of mobile solid-phase material continuous gradient lixiviate plant water-soluble pigment.
㈡ background technology: at present, extract the plant water-soluble pigment, sweet potato is red as extracting from sweet potato, cabbage red, sailor yellow, extracts the method for Gardenia Yellow from cape jasmine, mainly adopts single-stage circulation dipping extract technology, promptly earlier meal is thinly sliced or broken into to sweet potato or cape jasmine and place the lixiviate jar, with water or sour water, buck is solvent, under the condition of normal temperature or heating, extracts with the pump circulation, behind the circulation maceration certain hour leach liquor emitted and goes to next procedure and handle, after concentrating and separating promptly.Solid-phase material is then discharged from the lixiviate pot bottom; Because whole technology is batch operation, and solid-phase material very easily cause jar at the bottom of screen cloth and line clogging short circuit, cause feed liquid to circulate, can't produce and put dried drop to the greatest extent, make extraction insufficient not exclusively, throughput is low, extraction efficiency is low, so the raw material extraction yield generally can only reach 80%-90%.
The ㈢ summary of the invention: purpose of the present invention just provides a kind of raw material extraction yield height, and solid-liquid changes
Move smooth and easy, production efficiency height, the method for a kind of mobile solid-phase material continuous gradient lixiviate plant water-soluble pigment that equipment requirements is low.
Technology of the present invention is made up of following step:
B, at No. 1, No. 2 ... add the extraction solvent of phase isodose in the N lixiviate jar successively respectively, the ratio of extraction solvent and solid-phase material is 3-10:1(V/W); And, adjust suitable pH value according to concrete material properties, and the control solvent temperature is 25-55 ℃, every jar of extraction time is 30-60 minute;
C, mesh bag A is put into the lixiviate jar No. 1 by lifting gear, after lixiviate finishes, it is mentioned from the lixiviate jar, above the jar mouth, stopped drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in the N lixiviate jar;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the solid-phase material of isodose mutually among the mesh bag B with mesh bag A, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in the N lixiviate jar; And the like, mesh bag C, mesh bag D ... mesh bag N puts into the lixiviate jar successively No. 1, and moves backward in regular turn by above-mentioned same operation, vat liquor look valency in No. 1 lixiviate jar reaches the preset value of processing requirement, emit the vat liquor in the lixiviate jar No. 1, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the extraction solvent that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then move to successively No. 3, No. 4 ... N number, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; After the vat liquor look valency in No. 2 lixiviate jars reaches the processing requirement preset value, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, solid-phase material is since the lixiviate of No. 3 lixiviate jars, and then move to successively No. 4, No. 5 ... N number, No. 1, in No. 2 lixiviate jars, after the vat liquor look valency in No. 3 lixiviate jars reaches the processing requirement preset value, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate, in each work period, remain solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, and that lixiviate jar that newly adds extraction solvent immerses solid-phase material at last, vat liquor concentration is also minimum, circulation cover bubble will meet the requirements of vat liquor and emit successively, and the solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, promptly.
Realize that the required equipment of aforesaid method comprises:
A, lifting gear generally use 1-2 platform driving, are used for landing solid-phase material and solid-phase material moved to another lixiviate jar from a lixiviate jar;
B, several uncovered chuck lixiviate jars, the dress extraction solvent is used for the lixiviate solid-phase material in jar;
C, with the take away pump that some lixiviate jars link to each other, be used to carry the denseest material that reaches the predetermined color valency to strainer;
D, some mesh bags are used to adorn solid-phase material.
Technical solution of the present invention compared with prior art, maximum difference is to cover and adopt lifting gear to move to another lixiviate jar from a lixiviate jar with mesh bag solid-phase material, in this process, keep vat liquor motionless, vat liquor in that lixiviate jar that immerses solid-phase material first reaches the look value that processing requirement is scheduled to, just liquid material is produced the processing of carrying out subsequent handling to strainer, in a work period, keep the motionless mode of vat liquor owing to this mobile solid-phase material, make a plurality of lixiviate jars form a concentration gradient naturally, gradient lixiviate from big to small successively then, be convenient to continuous production, improve throughput, and obtain the vat liquor of higher concentration easily; Significantly reduced the subsequent disposal amount, saved energy consumption, improved recovery rate, and facility investment is few, simple to operate, the special clean and convenient of solid-liquid discharging has also been stopped the solid materials phenomenon of blocking fully.
The present invention mainly is applicable to the extraction of plant water-soluble pigment, and extraction solvent is water, sour water or buck.
(4) description of drawings
Fig. 1 is the equipment used connection diagram in the technology of the present invention.
1-driving among the figure, 2-lixiviate jar, 3-take away pump, 4-mesh bag.
(5) embodiment:
The extraction embodiment of Gardenia Yellow
B, at No. 1, No. 2 ... the water that to add 600 liters of pH respectively successively in No. 8 lixiviate jars be 6-8 is heated to 40 ℃-55 ℃, and every jar of extraction time is 30 minutes;
C, mesh bag A is put into the lixiviate jar No. 1 by driving, after lixiviate finishes, it is mentioned from the lixiviate jar, above the jar mouth, stopped drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in No. 8 lixiviate jars, discard the extraction residue;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the cape jasmine grain of 100kg among the mesh bag B, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in No. 8 lixiviate jars; And the like, mesh bag C, mesh bag D, mesh bag E put into the lixiviate jar successively No. 1, and move backward in regular turn by above-mentioned same operation, this moment, the vat liquor look value 〉=500u/ml in No. 1 lixiviate jar emitted the vat liquor in the lixiviate jar No. 1 after testing, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the water that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then move to successively No. 3, No. 4 ... No. 8, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; When the vat liquor look in No. 2 lixiviate jars be worth after testing 〉=500u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, solid-phase material cape jasmine grain is all since the lixiviate of No. 3 lixiviate jars, and then move to successively No. 4, No. 5 ... No. 8, No. 1, in No. 2 lixiviate jars, when the vat liquor look in No. 3 lixiviate jars be worth after testing 〉=500u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate in each work period, remains solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, and newly add that lixiviate jar vat liquor concentration minimum of extraction solvent, circulation cover bubble will meet the requirements of vat liquor and emit successively; The solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, and promptly get Gardenia Yellow 18.6kg, and recovery rate is 98.88%.
Embodiment 2
The extraction example that sweet potato is red
B, at No. 1, No. 2 ... the salt sour water that to add 300 liters of pH respectively successively in No. 6 lixiviate jars be 2-2.5, every jar is 25 ℃ of-35 ℃ of following lixiviates 60 minutes;
C, mesh bag A is put into the lixiviate jar No. 1 by driving, after lixiviate finishes, it is mentioned from the lixiviate jar, above the jar mouth, stopped drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in No. 6 lixiviate jars, discard the extraction residue;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the sweet potato of 100kg among the mesh bag B, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in No. 6 lixiviate jars; And the like, mesh bag C, mesh bag D, mesh bag E put into the lixiviate jar successively No. 1, and move backward in regular turn by above-mentioned same operation, this moment, the vat liquor look value 〉=35u/ml in No. 1 lixiviate jar emitted the vat liquor in the lixiviate jar No. 1 after testing, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the salt sour water that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then move to successively No. 3, No. 4 ... No. 6, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; When the vat liquor look in No. 2 lixiviate jars be worth after testing 〉=35u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, the solid-phase material sweet potato is all since the lixiviate of No. 3 lixiviate jars, and then move to successively No. 4, No. 5 ... No. 6, No. 1, in No. 2 lixiviate jars, when the vat liquor look in No. 3 lixiviate jars be worth after testing 〉=35u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate, in each work period, remain solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, and newly add that lixiviate jar vat liquor concentration minimum of extraction solvent, the circulation cover steeps successively, to meet the requirements of vat liquor and emit, the solid-phase material that lixiviate is finished discards; The solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, and promptly get the red 5.2kg of sweet potato, and recovery rate is 98.32%.
Embodiment 3
The extraction embodiment of cabbage red
, according to the characteristic of solid-phase material cabbage red, be cut into 1-2 centimetre thread, strip
, getting 100kg, to place the aperture be the mesh bag A of 0.05mm;
B, at No. 1, No. 2 ... the acetic acid water that to add 1000 liters of pH respectively successively in No. 7 lixiviate jars be 2-2.5, under 25 ℃-35 ℃, every jar of extraction time is 60 minutes;
C, mesh bag A is put into the lixiviate jar No. 1 by driving, after lixiviate finishes, it is mentioned from the lixiviate jar, above the jar mouth, stopped drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in No. 7 lixiviate jars, discard the extraction residue;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the wild cabbage bar of 100kg among the mesh bag B, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in No. 7 lixiviate jars; And the like, mesh bag C, mesh bag D, mesh bag E put into the lixiviate jar successively No. 1, and move backward in regular turn by above-mentioned same operation, this moment, the vat liquor look value 〉=20u/ml in No. 1 lixiviate jar emitted the vat liquor in the lixiviate jar No. 1 after testing, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the acetic acid water that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then move to successively No. 3, No. 4 ... No. 7, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; When the vat liquor look in No. 2 lixiviate jars be worth after testing 〉=20u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, solid-phase material cape jasmine grain is all since the lixiviate of No. 3 lixiviate jars, and then move to successively No. 4, No. 5 ... No. 7, No. 1, in No. 2 lixiviate jars, when the vat liquor look valency in No. 3 lixiviate jars after testing 〉=20u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate, in each work period, remain solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, concentration is successively decreased backward successively, and newly add that lixiviate jar vat liquor concentration minimum of extraction solvent, circulation cover bubble will meet the requirements of vat liquor and emit successively; The solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, and promptly get cabbage red 1.86kg, and recovery rate is 99.03%.
Embodiment 4
Sailor yellow extracts embodiment
B, at No. 1, No. 2 ... the water that to add 800 liters of pH respectively successively in No. 7 lixiviate jars be 6-8 is heated to 40 ℃-45 ℃, and every jar of extraction time is 60 minutes;
C, elder generation put into the lixiviate jar with mesh bag A No. 1 by driving, after lixiviate finishes, it are mentioned from the lixiviate jar, stop above the jar mouth drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in No. 7 lixiviate jars, discard the extraction residue;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the wild cabbage bar of 100kg among the mesh bag B, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in No. 7 lixiviate jars; And the like, mesh bag C, mesh bag D, mesh bag E put into the lixiviate jar successively No. 1, and move backward in regular turn by above-mentioned same operation, this moment, the vat liquor look value 〉=100u/ml in No. 1 lixiviate jar emitted the vat liquor in the lixiviate jar No. 1 after testing, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the water that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then moves to successively No. 3, No. 4, No. 5, No. 6, No. 7, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; When the vat liquor look valency in No. 2 lixiviate jars after testing 〉=100u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, solid-phase material cape jasmine grain is all since the lixiviate of No. 3 lixiviate jars, and then moves to No. 5 successively No. 4, No. 6, No. 7, No. 1, in No. 2 lixiviate jars, when the vat liquor look valency in No. 3 lixiviate jars after testing 〉=100u/ml after, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate in each work period, remains solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, concentration is successively decreased backward successively, and newly add that lixiviate jar vat liquor concentration minimum of extraction solvent, will meet the requirements of vat liquor to emit; The solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, and promptly get sailor yellow 50.6kg, and recovery rate is 98.65%.
Table 1, table 2, table 3 are respectively first work period of embodiment 1-4, second work period and the 3rd work period to finish back lixiviate jar vat liquor concentration gradient table
In second, the 3rd production cycle of the foregoing description 1-4, in some jars after second jar, because of being dissolved with certain density extractive substance, therefore, the number of times that immerses solid-phase material is obviously than lacking in first production cycle, the look value that general the immersion 1-2 time, the denseest that jar just can reach regulation can produce and carry out subsequent disposal.
Claims (1)
1. the method for a mobile solid-phase material continuous gradient lixiviate plant water-soluble pigment,
It is characterized in that comprising the steps:
B, at No. 1, No. 2 ... add the extraction solvent of phase isodose in the N lixiviate jar successively respectively, the ratio of extraction solvent and solid-phase material is 3-10:1(V/W); And, adjust suitable pH value according to concrete material properties, and the control solvent temperature is 25-55 ℃, every jar of extraction time is 30-60 minute;
C, mesh bag A is put into the lixiviate jar No. 1 by lifting gear, after lixiviate finishes, it is mentioned from the lixiviate jar, above the jar mouth, stopped drop 3-5 minute; It is moved to successively next No. 2, No. 3, No. 4 again ... in the N lixiviate jar;
D, when mesh bag A moves to No. 2 lixiviate jars lixiviate from No. 1 lixiviate jar, inserted the solid-phase material of isodose mutually among the mesh bag B with mesh bag A, mesh bag B is inserted in No. 1 lixiviate jar after the lixiviate, take the move mode identical again, move to No. 2, No. 3 of back respectively with mesh bag A ... in the N lixiviate jar; And the like, mesh bag C, mesh bag D ... mesh bag N puts into the lixiviate jar successively No. 1, and moves backward in regular turn by above-mentioned same operation, vat liquor look valency in No. 1 lixiviate jar reaches the preset value of processing requirement, emit the vat liquor in the lixiviate jar No. 1, filter, filtrate is delivered to the concentrating and separating operation; So far finish a work period;
E, second work period begin, the extraction solvent that in No. 1 lixiviate jar of vacating, adds the phase isodose earlier, in this work period, each solid-phase material is all since the lixiviate of No. 2 lixiviate jars, and then move to successively No. 3, No. 4 ... N number, in No. 1 lixiviate jar, i.e. the lixiviate of solid-phase material is according to the concentration gradient lixiviate from large to small of vat liquor; After the vat liquor look valency in No. 2 lixiviate jars reaches the processing requirement preset value, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes second work period;
F, the 3rd work period begin, solid-phase material is since the lixiviate of No. 3 lixiviate jars, and then move to successively No. 4, No. 5 ... N number, No. 1, in No. 2 lixiviate jars, after the vat liquor look valency in No. 3 lixiviate jars reaches the processing requirement preset value, emit filtration, filtrate is delivered to the concentrating and separating operation, so far finishes the 3rd work period; Used extraction solvent, extraction time and temperature of above-mentioned each work period be identical with described in the step b all; So circulation continuous gradient lixiviate, in each work period, remain solid-phase material vat liquor concentration maximum in that lixiviate jar of submerged first, and that lixiviate jar that newly adds extraction solvent immerses solid-phase material at last, vat liquor concentration is also minimum, circulation cover bubble will meet the requirements of vat liquor and emit successively, and the solid-phase material that lixiviate is finished discards;
G, general repeatedly concentrate filtrate merging, separate, promptly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512467A (en) * | 2015-09-13 | 2017-03-22 | 王建卫 | Economical solid-liquid transfer method |
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| US4204043A (en) * | 1978-04-04 | 1980-05-20 | The United States Of America As Represented By The Secretary Of Agriculture | Method of removing pigment from annatto seed |
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| CN101028065A (en) * | 2007-03-30 | 2007-09-05 | 王克俭 | Extraction of purplish natural pigment |
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- 2010-12-10 CN CN2010105828068A patent/CN102061105A/en active Pending
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| US4204043A (en) * | 1978-04-04 | 1980-05-20 | The United States Of America As Represented By The Secretary Of Agriculture | Method of removing pigment from annatto seed |
| CN1664017A (en) * | 2005-03-28 | 2005-09-07 | 浙江省农业科学院 | Process for extracting natural pigment |
| CN1912011A (en) * | 2005-08-11 | 2007-02-14 | 青岛海联植物科技研究所 | Method for extracting matural dye from external skin of walnut |
| CN101028065A (en) * | 2007-03-30 | 2007-09-05 | 王克俭 | Extraction of purplish natural pigment |
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| CN106512467A (en) * | 2015-09-13 | 2017-03-22 | 王建卫 | Economical solid-liquid transfer method |
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Application publication date: 20110518 |