CN102690719B - Negative-pressure low-temperature desolventizing process for peanuts - Google Patents
Negative-pressure low-temperature desolventizing process for peanuts Download PDFInfo
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- CN102690719B CN102690719B CN 201210170342 CN201210170342A CN102690719B CN 102690719 B CN102690719 B CN 102690719B CN 201210170342 CN201210170342 CN 201210170342 CN 201210170342 A CN201210170342 A CN 201210170342A CN 102690719 B CN102690719 B CN 102690719B
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Abstract
The invention discloses a negative-pressure low-temperature desolventizing process for peanuts, which comprises the following steps: (1) conveying and spreading oiled peanut materials to a low-temperature heating propulsion device inside a shell with a sealed chamber through a material inlet; (2) continuously moving forwards, overturning and heating the peanut materials at low temperature inside the sealed chamber, and vacuumizing the sealed chamber to make the sealed chamber in a vacuum and negative-pressure state by a vacuumizing device, and extracting solvents and water out of the peanut materials; (3) discharging the peanut materials after the peanut materials run in the sealed chamber for a period of time; and (4) discharging condensed fluid at intervals. The negative-pressure low-temperature desolventizing process for the peanuts solves the technical problem that peanut meal cannot be applied to high-temperature desolventizing in the oil production process of the peanuts, completely ensures that the peanut materials are desolventized below 60 DEG C, really implements the low-temperature desolventizing, ensures the activity of peanut proteins, reduces the loss of beneficial components, and is more suitable for the inherent characteristics of the peanut materials and more targeted.
Description
Technical field
The invention belongs to agricultural byproducts intensive processing technical field, relate in particular to the negative pressure low temperature desolventizing processing method of cultivating peanut.
Background technology
Existing material (soybean) precipitation mainly adopts high temperature to steam the technology of taking off, exactly the soybean stock behind the immersion oil is added vertical high temperature evapo-separated machine, the soybean stock utilizes the steam heating precipitation on the top of vertical high temperature evapo-separated machine, utilize hot blast to carry out drying in the bottom of vertical high temperature evapo-separated machine, mainly be generally not use as people's food through the soybean protein after the pyroprocessing, but use as feed, do not need to keep the activity of soybean protein, so use high temperature to steam the technology, simple and fast of taking off.Also having a kind of so-called material (soybean) low temperature desolventizing technology is to produce edible soyabean protein, be exactly that the soybean stock behind the immersion oil is added the horizontal spiral dryer, barrel feeds high-temperature steam and heats, the material that enters moves to advance and heat under screw propulsion solvent, moisture is steamed, the solvent that steams, moisture gas are discharged and are realized precipitation, because the Heating temperature of high-temperature steam is higher, this method can not be referred to as low temperature desolventizing technology truly.
Contain 50%～60% protein in the peanut meal, compare with several important oil crops, be higher than sesame and rape, and far above soybean.10% white protein is arranged in the Semen arachidis hypogaeae protein approximately, and all the other 90% are basic protein, and it is made up of arachin and Ban Huashengqiudanbai, and wherein about 63% is sphaeroprotein, the 33%th, and Ban Huashengqiudanbai is a kind of plant protein resource of high nutrition.(190～250mg/kg), it can stop the absorption of cholesterol in human body, and reducing blood lipid is arranged as containing a large amount of plant sterols in the Semen arachidis hypogaeae protein.It is multivitamin and 18 kinds of amino acid that human body needs such as rich in vitamin E, B6 also, can improve the immunizing power of human body, improve one's physical development, and is anti-ageing.In addition, it also contains mineral substance such as trace elements such as selenium to the human body beneficial, phosphorus, calcium and sodium, magnesium, manganese, zinc, iron.So it is functional that the Semen arachidis hypogaeae protein of production is had, just must keep the activity of Semen arachidis hypogaeae protein, only precipitation can meet the demands under low-temperature condition.
Summary of the invention
The present invention provides a kind of peanut negative pressure low temperature desolventizing processing method that can keep the Semen arachidis hypogaeae protein activity in order to solve weak point of the prior art.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: peanut negative pressure low temperature desolventizing processing method may further comprise the steps:
(1), the peanut material behind the immersion oil is carried by material inlet and the stand is layed onto on the low-temperature heat puopulsion unit in the housing with airtight chamber;
(2), the low-temperature heat puopulsion unit constantly moves forward the peanut material in airtight chamber under the drive that is located at the hull outside Power Drive Unit, overturn and the consecutive low temperature heating, uses vacuum extractor to be evacuated negative pressure state and extract solvent and moisture in the peanut material out in the airtight chamber simultaneously;
(3), the peanut material constantly moved forward in airtight chamber, overturn and consecutive low temperature after heating for some time, discharge by the material outlet of housing bottom;
(4), the phlegma that will collect in the liquid exit of housing bottom is at set intervals discharged.
The temperature of the low-temperature heat in the described step (2) is no more than 60 ℃.
The vacuum tightness of the vacuum negative pressure condition in the described step (2) in the airtight chamber is less than 0.09MPa.
For some time in the described step (3) is 10～80min.
The thickness that peanut material stand is layed onto on the low-temperature heat puopulsion unit in the described step (1) is 5～200mm.
Described Power Drive Unit is reducing motor, the driven shaft that the low-temperature heat puopulsion unit comprises the main drive shaft that is connected by first chain gear with Power Drive Unit, be connected by second chain gear with main drive shaft and evenly be located at push rod on second chain, the last half range below of second chain is provided with plate heater, and the following half range below of second chain is provided with down plate heater;
The described plate heater of going up all is made up of the top plate that is parallel to second chain and lower plywood with following plate heater, forms one deck heat tunnel between top plate and the lower plywood.
Described low-temperature heat puopulsion unit arranges two-layer at least from top to bottom, and the low-temperature heat puopulsion unit of lower floor is connected with the low-temperature heat puopulsion unit chain drive that it closes on the upper strata respectively;
The main drive shaft position of described every layer low-temperature heat puopulsion unit all is higher than the driven shaft position, the last plate heater on every layer and the equal staggered arrangement of following plate heater.
Described material inlet is located at the case top of closing on main drive shaft, and the material inlet outside is connected with the screw feeder sealer; Material outlet is located at the housing bottom that closes on main drive shaft, and the material outlet outside is connected with the spiral discharging sealer; Liquid exit is located at the housing bottom that closes on driven shaft, and the liquid exit outside is provided with the enclosed type electric magnet valve.
Described housing bottom is provided with frame, and described vacuum means is set to vacuum fan.
The peanut material is by carrying on the low-temperature heat puopulsion unit of screw feeder sealer in the housing in the described step (1), and screw feeder sealer control stand overlays on the thickness of peanut material on the top plate;
The middle peanut material of described step (2) constantly moves forward in airtight chamber, overturns and the consecutive low temperature heating is specially following process:
Power Drive Unit drives main drive shaft by first chain and rotates, main drive shaft drives pushrod movement by second chain again, the spacing of adjacent two push rods is 60～500mm, the movement velocity of push rod is 10-160m/min, it is mobile at top plate that push rod promotes the peanut material, in mobile, the hot water that feeds less than 60 ℃ in the heat tunnel carries out low-temperature heat to the peanut material, when push rod promotion material moves closer to driven shaft, material is fallen down on the top plate of plate heater, the peanut material just once stirs and overturns, and then promote material by push rod and move to the main drive shaft direction, when closing on main drive shaft, material is fallen on the top plate of second layer low-temperature heat puopulsion unit, repeats above-mentioned peanut material and is moved forward, upset and consecutive low temperature heating process.
Adopt technique scheme, the present invention adopts the housing with airtight chamber of horizontal type structure; Material inlet, material outlet are respectively equipped with screw feeder sealer and spiral discharging sealer outward, not only guarantee the turnover of material but also guarantee chamber and the sealing in the external world, and liquid exit is provided with the enclosed type electric magnet valve, thereby guarantees the sealing of chamber interior;
The plate heater of low-temperature heat puopulsion unit adopts plank frame, the heating medium that feeds in the heat tunnel is the hot water that adds less than 60 ℃, guarantee that material had not only made the evaporation of solvent, moisture etc. but also guaranteed the activity of Semen arachidis hypogaeae protein in heat-processed, handle material under low-temperature condition; The number of plies of low-temperature heat puopulsion unit can add and reduce according to the size of production output, also can adapt to the production production capacity by the size relationship that changes the low-temperature heat puopulsion unit; The solvent that is evaporated in the precipitation process relies on vacuum extractor to discharge chamber, and vacuum extractor makes and forms the evaporation that negative pressure is conducive to solvent in the chamber; Entering of material relies on the screw feeder sealer to control the inlet of raw material, guarantees that entering the raw material that falls divides thinly on top plate, is beneficial to the evaporation of moisture and solvent; Being spread out in material on the top plate relies on the push rod vertical with direction of motion that connects between two chains being synchronized with the movement on the top plate and two chains to promote material movement, the spacing of adjacent two push rods is 60～500mm, and the movement velocity of push rod is 10-160m/min; Adopt the fault structure between the plate heater, guarantee that the material after the heating of upper strata falls into lower floor's continuation mobile heating round about; The low-temperature heat puopulsion unit corresponding upper plate of each layer and lower floor's hot plate share one group of push rod, and push rod can use that the cross section is square, angle bar shape, trilateral; The main drive shaft position of every layer low-temperature heat puopulsion unit all is higher than the driven shaft position, make plate heater be obliquely installed, the liquid exit of the lowest part of the smooth outflow housing of assurance condensed fluid is regularly opened the enclosed type electric magnet valve, in order in time excess liquid is discharged.
Peanut meal during the peanut system of the invention solves oil is produced can not be applied to the technical barrier of high temperature precipitation, guaranteed that fully the peanut material carries out precipitation being lower than under 60 ℃ the state, realized low temperature desolventizing truly, guaranteed the activity of Semen arachidis hypogaeae protein, reduced the loss of useful component, simultaneously, the peanut low-temperature material precipitation that carries out in this mechanical means is an incremental process, meet the intrinsic characteristic of peanut material more, specific aim is stronger.
Description of drawings
Fig. 1 is the structural representation of equipment used herein;
Fig. 2 is the enlarged view of the embodiment of I place one in the middle of Fig. 1;
Fig. 3 is the enlarged view of the embodiment of I place two in the middle of Fig. 1;
Fig. 4 is the enlarged view of the embodiment of I place three in the middle of Fig. 1.
Embodiment
As shown in Figure 1, equipment used in the present invention, comprise the housing with airtight chamber 12 that arranges on frame 21 and the frame 21, housing 2 tops are provided with material inlet 3, housing 2 bottoms are provided with material outlet 4 and liquid exit 5, and housing 2 sidepieces are connected with vacuum extractor 6, and vacuum extractor 6 is vacuum fan, be provided with the low-temperature heat puopulsion unit in the housing 2, the housing 2 outer Power Drive Units 7 that are in transmission connection with low-temperature material heating puopulsion unit that are provided with.
Peanut negative pressure low temperature desolventizing processing method of the present invention may further comprise the steps:
(1), the peanut material behind the immersion oil is carried in the airtight chamber 1 of housing 2 by screw feeder sealer 18, screw feeder sealer 18 spreads out the peanut material on the top plate 15 of the low-temperature heat puopulsion unit that is layed onto the superiors, screw feeder sealer 18 control stand overlay on the thickness of peanut material on the top plate 15, and it is 5～200mm that thickness is covered at the stand;
(2), Power Drive Unit 7 drives main drive shaft 9 by first chain 8 and rotates, main drive shaft 9 drives push rod 12 motions by second chain 10 again, the spacing of adjacent two push rods 12 is 60～500mm, the movement velocity of push rod 12 is 10-160m/min, it is mobile at top plate 15 that push rod 12 promotes the peanut material, in mobile, the hot water that feeds less than 60 ℃ in the heat tunnel 17 carries out low-temperature heat to the peanut material, when push rod 12 promotion materials move closer to driven shaft 11, material is fallen down on the top plate 15 of plate heater 14, the peanut material just once stirs and overturns, and then promote materials by push rod 12 and move to main drive shaft 9 directions, when closing on main drive shaft 9, material is fallen on the top plate 15 of second layer low-temperature heat puopulsion unit, repeats above-mentioned peanut material and is moved forward, upset and consecutive low temperature heating process; Use vacuum extractor 6 to be evacuated negative pressure state and extract solvent and moisture in the peanut material out in the airtight chamber 1 simultaneously, the vacuum tightness of vacuum negative pressure condition is less than 0.09MPa in the airtight chamber 1;
(3), the peanut material constantly moved forward in airtight chamber, overturn and after consecutive low temperature is heated to be 10～80min, material by material outlet 4 by outside the spiral discharging sealer 19 discharge machines;
(4), condensed fluid compiles at liquid exit 5 places of the lowest part of housing 2, regularly opens enclosed type electric magnet valve 20, in order in time excess liquid is discharged.
Claims (1)
1. peanut negative pressure low temperature desolventizing processing method is characterized in that: may further comprise the steps:
(1), the peanut material behind the immersion oil is carried by material inlet and the stand is layed onto on the low-temperature heat puopulsion unit in the housing with airtight chamber;
(2), the low-temperature heat puopulsion unit constantly moves forward the peanut material in airtight chamber under the drive that is located at the hull outside Power Drive Unit, overturn and the consecutive low temperature heating, uses vacuum extractor to be evacuated negative pressure state and extract solvent and moisture in the peanut material out in the airtight chamber simultaneously;
(3), the peanut material constantly moved forward in airtight chamber, overturn and consecutive low temperature after heating for some time, discharge by the material outlet of housing bottom;
(4), the phlegma that will collect in the liquid exit of housing bottom is at set intervals discharged;
The temperature of the low-temperature heat in the described step (2) is no more than 60 ℃;
The vacuum tightness of the vacuum negative pressure condition in the described step (2) in the airtight chamber is less than 0.09MPa;
For some time in the described step (3) is 10～80min;
The thickness that peanut material stand is layed onto on the low-temperature heat puopulsion unit in the described step (1) is 5～200mm;
Described Power Drive Unit is reducing motor, the driven shaft that the low-temperature heat puopulsion unit comprises the main drive shaft that is connected by first chain gear with Power Drive Unit, be connected by second chain gear with main drive shaft and evenly be located at push rod on second chain, the last half range below of second chain is provided with plate heater, and the following half range below of second chain is provided with down plate heater;
The described plate heater of going up all is made up of the top plate that is parallel to second chain and lower plywood with following plate heater, forms one deck heat tunnel between top plate and the lower plywood;
Described low-temperature heat puopulsion unit arranges two-layer at least from top to bottom, and the low-temperature heat puopulsion unit of lower floor is connected with the low-temperature heat puopulsion unit chain drive that it closes on the upper strata respectively;
The main drive shaft position of described every layer low-temperature heat puopulsion unit all is higher than the driven shaft position, the last plate heater on every layer and the equal staggered arrangement of following plate heater;
Described material inlet is located at the case top of closing on main drive shaft, and the material inlet outside is connected with the screw feeder sealer; Material outlet is located at the housing bottom that closes on main drive shaft, and the material outlet outside is connected with the spiral discharging sealer; Liquid exit is located at the housing bottom that closes on driven shaft, and the liquid exit outside is provided with the enclosed type electric magnet valve;
Described housing bottom is provided with frame, and described vacuum means is set to vacuum fan;
The peanut material is by carrying on the low-temperature heat puopulsion unit of screw feeder sealer in the housing in the described step (1), and screw feeder sealer control stand overlays on the thickness of peanut material on the top plate;
The middle peanut material of described step (2) constantly moves forward in airtight chamber, overturns and the consecutive low temperature heating is specially following process:
Power Drive Unit drives main drive shaft by first chain and rotates, main drive shaft drives pushrod movement by second chain again, the spacing of adjacent two push rods is 60～500mm, the movement velocity of push rod is 10-160m/min, it is mobile at top plate that push rod promotes the peanut material, in mobile, the hot water that feeds less than 60 ℃ in the heat tunnel carries out low-temperature heat to the peanut material, when push rod promotion material moves closer to driven shaft, material is fallen down on the top plate of plate heater, the peanut material just once stirs and overturns, and then promote material by push rod and move to the main drive shaft direction, when closing on main drive shaft, material is fallen on the top plate of second layer low-temperature heat puopulsion unit, repeats above-mentioned peanut material and is moved forward, upset and consecutive low temperature heating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210170342 CN102690719B (en) | 2012-05-29 | 2012-05-29 | Negative-pressure low-temperature desolventizing process for peanuts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210170342 CN102690719B (en) | 2012-05-29 | 2012-05-29 | Negative-pressure low-temperature desolventizing process for peanuts |
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| Publication Number | Publication Date |
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| CN102690719A CN102690719A (en) | 2012-09-26 |
| CN102690719B true CN102690719B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210170342 Expired - Fee Related CN102690719B (en) | 2012-05-29 | 2012-05-29 | Negative-pressure low-temperature desolventizing process for peanuts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105053508B (en) * | 2015-08-12 | 2018-07-06 | 迈安德集团有限公司 | A kind of flash vacuum desolventizing machine |
| CN106947590A (en) * | 2017-04-26 | 2017-07-14 | 皇冠亚细亚工程技术（武汉）有限公司 | low temperature desolventizing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100160658A1 (en) * | 2005-11-08 | 2010-06-24 | Kemper Timothy G | Mechanical Partial Desolventizing System and Process |
| US8092752B2 (en) * | 2009-01-29 | 2012-01-10 | Tristar Products Ag | Apparatus and method for oil and fat extraction |
| CN102041162A (en) * | 2010-12-09 | 2011-05-04 | 山东凯斯达机械制造有限公司 | Method for de-solventizing material at low temperature |
| CN202059952U (en) * | 2011-05-04 | 2011-12-07 | 江苏迈安德食品机械有限公司 | Low-temperature desolventizing machine |
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Granted publication date: 20130821 Termination date: 20160529 |