CN102475189A - Practical method for preparing leaf protein feed from forage grass and green manure on a small scale - Google Patents
Practical method for preparing leaf protein feed from forage grass and green manure on a small scale Download PDFInfo
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- CN102475189A CN102475189A CN2010105554373A CN201010555437A CN102475189A CN 102475189 A CN102475189 A CN 102475189A CN 2010105554373 A CN2010105554373 A CN 2010105554373A CN 201010555437 A CN201010555437 A CN 201010555437A CN 102475189 A CN102475189 A CN 102475189A
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Abstract
The invention discloses a method for preparing a leaf protein feed from forage grass and green manure on a small scale. The method comprises processing cleaned raw materials by use of protein extraction devices including a produced protein flocculation plant (13) and a spray drier plant (17) to obtain a concentrated leaf protein final product; transporting the concentrated leaf protein final product into a concentrated protein final product chamber (8) of a final product plant (15); drying and granulating residues separated by use of a stem-leaf separating machine (2) in a grass segment cake production plant (17) to obtain grass granules or grass cakes as final products which enter a grass granule or cake final product chamber (11); and allowing waste liquid after centrifugal separation to enter a feed yeast production plant (16) and processing to obtain feed yeast. The production process of the invention is reasonable and practical, the workflow is simple, the overall investment is low, and the devices and methods utilized in the process are optimized to comply with actual production conditions in rural areas.
Description
Technical field
The present invention relates to a kind of protein feed production technology, particularly relate to a kind of small utility herbage, green manure leaf protein feed production technology.
Background technology
The protein feeds scarcity is China's feed industry and even the ubiquitous outstanding problem of global feed industry, and therefore, development and use phytoprotein feed resource has become an important topic that needs to be resolved hurrily.The leaf protein feed is claimed green protein concentrate (be called for short LPC) again, is to be raw material with fresh herbage or dark green stem leaves of plants, after squeezing, from its juice, extracts high-quality condensing protein feed.
The forties in 20th century, the factory that extracts leaf protein has been set up in the human research of producing that begins leaf protein to the seventies, the specialized agency that existing in the world at present more than 10 country has leaf protein to produce.The concentrate that adds leaf protein in the feed of the U.S. by a certain percentage. Japan, Russia make soy sauce with leaf protein.The enterprise that the commercial production leaf protein is largest in the world now is a French clover company (producing 12000t per year), and in addition, also there is production in countries such as Britain, Denmark, New Zealand, Australia.From the eighties in 20th century, China has carried out a large amount of technical research on Protein Extraction.Wherein as Pueraria lobota dawn in 1989 four kinds of leguminous forage leaf protein sedimentation effects are compared; Liu Xiao in 1999 has concluded the leaf protein extraction process heptan; Point out relatively to have saltout method, alkali of 5 kinds of extraction process heatings, electrolyte of using value to put forward membrane filter method, fermentation method and PRO-XNA method; The Wang Jin peak had developed this method and should use salting out method and heating separation and Extraction leaf protein feed through relatively thinking in 2003; The result of study of Xue Lin in 2005 shows that the best approach that alfalfa leaf protein extracts is a snead process.Agricultural University Of Hunan has set up first hand leaf protein processing factory.In a word, the Preliminary Study of Leaf Protein Extraction Technology technology is in constantly development and perfect.
Meanwhile, still there are some problems in the development and use of China's leaf protein, lag far behind Europe with the development that causes China's leaf protein feed and wait some developed countries.At first, the leaf protein extraction process is backward relatively.Though China is to the history in existing more than 20 year of research of leaf protein; But a large amount of extractions is all under lab accomplished; Do not propose the technology of a scientific and reasonable suitable large-scale production, and because consumption of raw materials is big, extracted amount is relatively little; How big with energy resource consumption, the low result who repays of high investment may appear.Secondly, the byproduct after the leaf protein feed extracts is underutilized, and careless in theory slag and green juice can both obtain good use, but its further a large amount of processing are not generally deeply carried out as yet.Therefore, make a general survey of the progress and the present situation of leaf protein feed, extract for leaf protein and give more an optimization and ripe process conditions, further utilization rationally is the task of top priority to its byproduct.
Summary of the invention
The technical problem that the present invention solves is: big to present herbage, green manure leaf protein matter feed production technology consumption of raw materials; Extracted amount is relatively little; And energy resource consumption is big, the low repayment of high investment can occur, and production technology is not suitable for large-scale production; Byproduct after yet extracting to present herbage, green manure leaf protein matter feed production technology does not make full use of the technical problem of aspect, the invention provides a kind of herbage of small utility, the production technology of green manure leaf protein feed.
Technical scheme of the present invention: it is the cleaned raw material in raw material workshop; Deliver to the conveying feeding machine of producing protein flocculation workshop through carrying; By carrying the feeding machine to flow to the cauline leaf seperator; Isolated blade pass is crossed belt and is transported to the chopping squeezer, and the juice that chopping squeezing obtains delivers into boiler after peracidity heat is carried through pipeline, carries successively the spray dryer to cooling tank, centrifugal separator, spray-drying workshop by pipeline; Obtain concentrating the leaf protein finished product after the spray-dried machine spray-drying, concentrate the leaf protein finished product gets into finishing room through carrying condensing protein finished bin.
The residue of cauline leaf seperator output forms careless or careless cake finished product after drying, granulate between the carrying entering production grass section cake slag car, grass grain or careless cake finished product are through carrying grass particle (cake piece) finished bin of entering finishing room.
The waste liquid of producing after protein flocculation workshop centrifugalizes delivers into production fodder yeast workshop through pipeline, obtains fodder yeast through processing.
Described acid heat adds calcium salt before proposing heating, and the pH value that acid heat is carried is 6, and heating and temperature control is at 75-80 ° of C.
What described centrifugal separator adopted is spiral discharge sedimentation centrifuge.
Beneficial effect of the present invention:
1, the present invention has obvious social and economic benefits.The present invention can year processing fresh grass
Measure 1～20,000 ton, produce about 300 tons of leaf protein per year, correspondingly can produce about 2500 tons an of forage or a careless blob of slag, so in short supply to alleviating present global protein feeds, solving China's protein feeds scarcity all has realistic meaning; The invention provides a cover and more optimize and ripe process conditions, to the byproduct in the leaf protein production process---careless slag and waste liquid further rationally utilize.
2, the present invention combines the physics and the chemical property of raw material, chooses optimum process.
At first; Leaf protein matter method for distilling has electroconcentration, crystallization and recrystallization method, ultrafiltration, the flocculating agent precipitation method, salting out method, lactic fermentation method etc.; Comprehensive each side factor the present invention selects acid hot formulation for use, and this method has overcome that traditional heating method power consumption cohesion speed big, that cost is high and the flocculating agent precipitation method exist is slow, the condensation product short texture is not easily separated; This law adds calcium salt before heating can reach separating effect preferably; Keeping pH value is 6; Can be settled out the highest protein content and the easiest quilt of this leaf protein is digested and assimilated, heating and temperature control then can make leaf protein keep nutritional labeling preferably at 75-80 ° of C.
Secondly, drying means commonly used have dry, heated-air drying (oven dry), vacuum drying, spray-drying and freeze drying.Spray drying process overcome dry, product quality that heated-air drying and vacuum drying are produced is relatively poor, it is high also to have overcome the product cost that freeze drying produces.
3, the present invention combines the physics and the chemical property of raw material, has chosen optimum process equipment.
Which kind of solid-liquid separating equipment the separation of the last condensation product of leaf protein takes, and depends on thickness, the concentration of mixed liquor middle period protein coacervation composition granule, also depends on the character and the viscosity of solution simultaneously.Because leaf protein grumeleuse granular size is between 0.5mm to 0.8mm, solid-liquid suspension is rare mixed liquor than for 1:30, so the solid-liquid separating equipment of considering has: subsider, centrifugal separator, hydrocyclone, sieve.Utilize subsider, sieve to belong to gravitational settling, gravitational settling is that efficient is low by natural force, is not suitable for streamline industrial high efficiency rate and produces; Hydrocyclone can reach the classification purpose, fails to reach the requirement of separation, so equipment be mostly to be used in the middle of auxiliary equipment, with other separation methods to combining spiral discharge sedimentation centrifuge technological requirement more according to the invention.
In sum, production technology of the present invention is reasonable and practical, and technological process is simply novel; Production process has made full use of the discarded object of raw material and its generation, has not only obtained protein feeds, and grass grain or careless cake finished product and yeast feed as byproduct of the present invention; The equipment cost that each operation is used in the technology is low, energy consumption is little, is suitable for and carries out large-scale industrial production.
Description of drawings
Accompanying drawing 1 is the workshop of the present invention and the layout of equipment;
Accompanying drawing 2 is process charts of the present invention;
1. carry the feeding machines among Fig. 1,2. cauline leaf seperator, and 3. chopping squeezer, 4. boiler, 5. condensation is irritated; 6. centrifugal separator, 7. spray dryer, 8. condensing protein finished bin, 9. roller dryer, (piece) machine of 10. granulating; 11. grass particle (cake piece) finished bin, 12. raw material workshops, 13. produce protein flocculation workshop, 14. spray-drying workshops; 15. finishing room, 16. produce the fodder yeast workshop, and 17. produce between the grass section cake slag car, between 18. conveyings and carrier.
The specific embodiment
Embodiment: like accompanying drawing 1, shown in 2; At first, the cleaned pale reddish brown sweet potato of light leaf in raw material workshop 12, deliver to the conveying feeding machine 1 of producing protein flocculation workshop 13 through carrying; By carrying feeding machine 1 to flow to cauline leaf seperator 2; Isolated blade pass is crossed belt and is transported to chopping squeezer 3, and the juice that chopping squeezing obtains delivers into boiler 4 after peracidity heat is carried through pipeline, carries successively the spray dryer 7 to cooling tank 5, centrifugal separator 6, spray-drying workshop 14 by pipeline; Obtain concentrating the leaf protein finished product after spray-dried machine 7 spray-dryings, concentrate the leaf protein finished product gets into finishing room 15 through carrying condensing protein finished bin 8;
Secondly; Produce the residue of cauline leaf seperator 2 outputs in the protein flocculation workshop 13; Get into to produce between the grass section cake slag car 17 through carrying; Roller dryer 9 through this workshop is dried, and (piece) machine 10 granulation backs of granulating form grass grain or careless cake finished product, and careless grain or careless cake finished product get into grass particle (cake piece) finished bin 11 of finishing room 15 through carrying;
At last, the waste liquid that spiral discharge settling centrifugal separator 6 centrifugalizes out delivers into through pipeline and produces fodder yeast workshop 16, obtains fodder yeast through processing.
Claims (5)
1. a small utility herbage, green manure leaf protein feed production technology; It is characterized in that: the cleaned raw material in raw material workshop (12); Deliver to the conveying feeding machine (1) of producing protein flocculation workshop (13) through carrying; By carrying feeding machine (1) to flow to cauline leaf seperator (2); Isolated blade pass is crossed belt and is transported to chopping squeezer (3), and the juice that chopping squeezing obtains delivers into boiler (4) after peracidity heat is carried through pipeline, carries successively the spray dryer (7) to cooling tank (5), centrifugal separator (6), spray-drying workshop (14) by pipeline; Obtain concentrating the leaf protein finished product after spray-dried machine (7) spray-drying, concentrate the leaf protein finished product gets into finishing room (15) through carrying condensing protein finished bin (8).
2. a kind of small utility herbage according to claim 1, green manure leaf protein production technology; It is characterized in that: the residue of cauline leaf seperator (2) output; After (17) are dried, granulated between the carrying entering production grass section cake slag car, form careless or careless cake finished product, grass grain or careless cake finished product are through carrying grass particle (cake piece) finished bin (11) of entering finishing room (15).
3. a kind of small utility herbage according to claim 1, green manure leaf protein production technology; It is characterized in that: the waste liquid of producing after protein flocculation workshop (13) centrifugalizes delivers into production fodder yeast workshop (16) through pipeline, obtains fodder yeast through processing.
4. a kind of small utility herbage according to claim 1, green manure leaf protein production technology is characterized in that: described acid heat adds calcium salt before proposing heating, and the pH value that acid heat is carried is 6, and heating and temperature control is at 75-80 ° of C.
5. a kind of small utility herbage according to claim 1, green manure leaf protein production technology is characterized in that: what described centrifugal separator (6) adopted is spiral discharge sedimentation centrifuge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105554373A CN102475189A (en) | 2010-11-23 | 2010-11-23 | Practical method for preparing leaf protein feed from forage grass and green manure on a small scale |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105554373A CN102475189A (en) | 2010-11-23 | 2010-11-23 | Practical method for preparing leaf protein feed from forage grass and green manure on a small scale |
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| CN102475189A true CN102475189A (en) | 2012-05-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620148A (en) * | 2020-05-18 | 2020-09-04 | 新疆四方实业股份有限公司 | Automatic control drying device for feed workshop |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478407A (en) * | 2003-07-13 | 2004-03-03 | 熊仕玉 | Alfalfa tree industrial application and its processing method |
| CN101687906A (en) * | 2007-05-16 | 2010-03-31 | 马里兰大学，大学城 | Reclaim the novel method of leaf protein |
| CN101717438A (en) * | 2009-12-14 | 2010-06-02 | 四川省畜牧科学研究院 | Method for extracting leaf protein of sweet potato vine |
-
2010
- 2010-11-23 CN CN2010105554373A patent/CN102475189A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478407A (en) * | 2003-07-13 | 2004-03-03 | 熊仕玉 | Alfalfa tree industrial application and its processing method |
| CN101687906A (en) * | 2007-05-16 | 2010-03-31 | 马里兰大学，大学城 | Reclaim the novel method of leaf protein |
| CN101717438A (en) * | 2009-12-14 | 2010-06-02 | 四川省畜牧科学研究院 | Method for extracting leaf protein of sweet potato vine |
Non-Patent Citations (4)
| Title |
|---|
| "牧草叶蛋白的加工", 《中国农村科技》 * |
| 刘信宝等: "牧草叶蛋白的深加工利用及饲用价值", 《江苏农业科学》 * |
| 曾凡枝等: "苜蓿叶蛋白研究概述", 《安徽农学通报》 * |
| 王琦: "牧草叶蛋白的加工技术", 《农村实用技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620148A (en) * | 2020-05-18 | 2020-09-04 | 新疆四方实业股份有限公司 | Automatic control drying device for feed workshop |
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Application publication date: 20120530 |