CN111616236B - Method for preparing low/zero trans fatty acid shortening - Google Patents
Method for preparing low/zero trans fatty acid shortening Download PDFInfo
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- CN111616236B CN111616236B CN202010509487.1A CN202010509487A CN111616236B CN 111616236 B CN111616236 B CN 111616236B CN 202010509487 A CN202010509487 A CN 202010509487A CN 111616236 B CN111616236 B CN 111616236B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/007—Other edible oils or fats, e.g. shortenings, cooking oils characterised by ingredients other than fatty acid triglycerides
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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Abstract
The invention discloses a method for preparing low/zero trans fatty acid shortening, which is characterized in that fried camphor tree seeds, palm seeds and soybeans are respectively placed in pressing equipment to be pressed, firstly, the camphor tree seeds, the palm seeds and the soybeans are respectively added into a pressing barrel, then a locking bolt is rotated, a sealing cover is covered, then a motor III is driven to drive a screw rod to rotate, further a threaded sleeve is driven to rotate, an upper pressing plate is pushed to descend, the upper pressing plate is matched with a fixed plate to press, and the pressed oil is filtered through a filter screen; solves the technical problems that the press barrel is inconvenient to install and detach and the oil residue is inconvenient to remove in the prior art.
Description
Technical Field
The invention relates to the technical field of grease processing, in particular to a method for preparing low/zero trans fatty acid shortening.
Background
The camphor tree resources in China are very rich, the Yangtze river basin and the regions in the south are distributed, the Jiangxi provinces are one of the provinces with the largest total amount of the camphor tree resources, and the whole provinces are distributed over natural forests and artificial forests of the camphor tree, wherein the regions with the largest amount are particularly Jian regions. Camphor tree seeds are used as medicines for treating diseases in China for a long time, and the camphor tree seeds are considered to have the effects of dispelling wind and cold, promoting qi circulation and relieving pain. Camphor tree seeds contain a large amount of medium chain fatty acids (about 95%), mainly capric acid (c10:0) and lauric acid (c12:0). Medium chain fatty acid triglycerides (MCTs) are less prone to accumulate fat in the body and can rapidly provide energy for the human body as compared to long chain fatty acid triglycerides (LCTs). MCTs are delivered to the liver via the portal vein after being broken down into monoglycerides and free fatty acids by pancreatic lipase in the gut, and then rapidly oxidized to provide energy. Therefore, the grease rich in the medium-chain fatty acid is a very suitable healthy grease for infants and infants, excessively obese and physically weak patients, the digestive absorption functions of which are not yet developed. For this reason, the japan oil-producing company developed a functional grease rich in long-chain, mainly for the adjuvant treatment of patients with excessive body fat or frailty. As for camphor tree seed oil, the characteristic of being rich in medium chain fatty acid in camphor tree seed oil at home and abroad at present has no application in food, and the research on camphor tree seed is mainly focused on biodiesel and the like, so that the utilization rate is low, and the nutritional value of the camphor tree seed oil is not fully utilized.
Today, most commercially available margarines and shortenings are based on long chain saturated fatty acids, mainly by incompletely hydrogenating vegetable oils to obtain a suitable melting point and solid fat content. Although margarine and shortening obtained by the method have good mouthfeel and good physicochemical properties, the margarine and shortening contains high content of trans fatty acid, and some of the margarine and shortening contain more than 30 percent of trans fatty acid, and the trans fatty acid has potential harm to human health, has caused serious concern of various national governments, and has strictly limited food sales containing the trans fatty acid in some countries in Europe and America. Therefore, with the increasing standard of living of people in China, the health is increasingly emphasized, and the food containing trans fatty acid is limited to a large extent. International research into margarine and shortening base oils containing medium chain fatty acids is limited to use in coconut oil. Since our country is not the country of origin of coconut oil, the cost of applying coconut oil to prepare functional oils rich in medium chain fatty acids is high. Therefore, the camphor tree seed oil is used for preparing plastic grease base oil such as margarine, shortening and the like, so that the production cost can be reduced and the nutritive value of the plastic grease base oil can be improved. The low/zero trans fatty acid plastic oil rich in medium chain fatty acid is suitable for use in food for patients with excessive body fat or asthenia.
In addition, in the process of pressing, the existing pressing equipment is inconvenient for the installation and disassembly of the pressing barrel and the removal of oil residues; meanwhile, the filtering efficiency of the filter screen is low.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a method for preparing low/zero trans fatty acid shortening, which comprises the steps of placing a squeezing barrel on a claw, driving a cylinder to drive the claw to descend, driving a limiting rod to swing inwards through a movable arm II, a movable arm I and a rotating rod, and further fixing the squeezing barrel, otherwise, loosening the squeezing barrel, thereby facilitating the installation and the disassembly and the pouring of oil residues; solves the technical problems that the press barrel is inconvenient to install and disassemble and the oil residue is inconvenient to remove in the prior art;
then adding the raw materials into a press barrel, wherein the press barrel is provided with four press barrels, different raw materials can be pressed simultaneously, the working efficiency is improved, a locking bolt is rotated, a sealing cover is covered, the tightness of the press barrel is ensured, a motor III is driven, a screw rod is driven to rotate, a threaded sleeve is driven to rotate, an upper pressing disc is pushed to descend, the upper pressing disc is matched with a fixed disc to press, and pressed oil is filtered through a filter screen; in the filtering process, the second driving motor rotates, the belt and the belt pulley drive the rotating wheel to rotate, the rotating wheel drives the first eccentric wheel to rotate through the rotating shaft, the first eccentric wheel drives the first squeezing mechanism to reciprocate, and meanwhile, the first eccentric wheel also drives the second eccentric wheel to rotate, and the second eccentric wheel drives the second squeezing mechanism to reciprocate; meanwhile, the driving motor IV drives the small turntable to rotate, so as to drive the press barrel to carry out self-transmission; then the first driving motor works, the first driving motor drives the pinion to rotate, the pinion is meshed with the large gear, and then the large turntable of the press barrel is driven to rotate, the large turntable drives the bracket to rotate, the bracket drives the press barrel to revolve, and the filtering efficiency of the filter screen can be improved through the arrangement of the device; finally, the filter screen is discharged through an oil discharge port, so that the technical problem of low filtering efficiency of the filter screen in the prior art is solved.
The aim of the invention can be achieved by the following technical scheme:
a method of making a low/zero trans fatty acid shortening comprising the steps of:
firstly, respectively placing fried camphor tree seeds, palm seeds and soybeans into pressing equipment for pressing, firstly respectively adding the camphor tree seeds, the palm seeds and the soybeans into a pressing barrel, then rotating a locking bolt, covering a sealing cover, then driving a motor III to drive a screw rod to rotate so as to drive a threaded sleeve to rotate, pushing an upper pressing disc to descend, matching the upper pressing disc with a fixed disc for pressing, and filtering pressed oil through a filter screen; in the filtering process, the second driving motor rotates, the belt and the belt pulley drive the rotating wheel to rotate, the rotating wheel drives the first eccentric wheel to rotate through the rotating shaft, the first eccentric wheel drives the first pressing mechanism to reciprocate, meanwhile, the first eccentric wheel also drives the second eccentric wheel to rotate, and the second eccentric wheel drives the second pressing mechanism to reciprocate, so that the filtering efficiency of the filter screen is improved; finally, discharging through an oil discharge port to obtain camphor tree seed oil, palm oil and soybean oil, and refining the camphor tree seed oil, the palm oil and the soybean oil through refining equipment respectively;
step two, placing the refined camphor tree seed oil, palm oil stearin or fully hydrogenated soybean oil raw materials into a temperature-controlled reaction kettle, and uniformly mixing for 1-3 hours, wherein the mass ratio of the palm oil stearin or fully hydrogenated soybean oil to the camphor tree seed oil is 3-6:4-1;
step three, adding 5-15% of lipozyme RMIM or TLIM lipase after mixing, and heating to react at 55-75 ℃ for 6-12 h after adding lipase;
step four, standing for 1 to 5 hours after the reaction is finished, and filtering lipase;
step five, deacidifying by using sodium hydroxide solution with the concentration of 0.05mol/L to 0.5mol/L, and vacuum dehydrating and drying for 12h to 24h to prepare a finished product.
As a further scheme of the invention: the squeezing equipment comprises a support, a first squeezing mechanism and a second squeezing mechanism, wherein the top and the bottom of the support are connected through a cross-shaped plate, a second motor is fixedly arranged on the support, the second motor is vertically arranged, an output shaft of the second motor drives a rotating wheel to rotate through a belt and a belt pulley, the top of the rotating wheel drives an eccentric wheel to rotate through a rotating shaft, the top of the eccentric wheel drives the first squeezing mechanism and the eccentric wheel to rotate through the rotating shaft, and the top of the eccentric wheel drives the second squeezing mechanism to rotate through the rotating shaft;
the first squeezing mechanism and the second squeezing mechanism are arranged in a cross manner, the first squeezing mechanism is located below the second squeezing mechanism, the first squeezing mechanism and the second squeezing mechanism are identical in structure, the first squeezing mechanism comprises two rotary placing plates, the two rotary placing plates are symmetrically arranged, the two rotary placing plates are all rotationally connected with an eccentric wheel, a triangular bracket is vertically arranged at the top of the rotary placing plates, one end of the triangular bracket is connected with a sealing cover through a locking bolt, the periphery of the sealing cover is in sliding connection with the triangular bracket through a lifting block, a motor III is vertically arranged at the center of the top of the sealing cover, a screw rod is fixedly arranged at the end part of an output shaft of the motor III, the screw rod penetrates through the sealing cover, a threaded sleeve is connected onto the screw rod, and an upper pressing disc is rotationally connected to the end part of the threaded sleeve; the pressing barrel is fixed at the center of the top of the rotary placing plate through a locking mechanism.
As a further scheme of the invention: the locking mechanism comprises a motor IV, the motor IV is fixedly arranged at the bottom of the rotary placing disc, an output shaft of the motor IV penetrates through the rotary placing disc to be connected with the small rotary disc, the small rotary disc is embedded and arranged in the rotary placing disc and is rotationally connected with the rotary placing disc, an air cylinder is fixedly arranged at the center of the top of the small rotary disc, a claw is fixedly arranged at the end part of a piston rod of the air cylinder, three movable arms II are movably connected with the top of the small rotary disc at equal intervals, the other end of the movable arm II is movably connected with a movable arm I, the movable arm I is obliquely arranged on the claw and is in sliding connection with the claw, the other end of the movable arm I is rotationally connected with the claw, and the movable arm I is connected with two limiting rods through a rotating rod.
As a further scheme of the invention: the inside fixed mounting of squeeze the bucket has the fixed disk, evenly seted up the through-hole on the fixed disk, the below fixed mounting of fixed disk has the filter screen, the oil drain hole has been seted up to one side bottom of squeeze the bucket.
As a further scheme of the invention: balance bars are vertically arranged on two sides of the rotary placing disc, the tops of every two balance bars are connected through a connecting block, and the balance bars are in sliding connection with the cross-shaped plates at the tops of the brackets.
As a further scheme of the invention: the support fixed mounting is at the carousel top, carousel fixed mounting is at the gear wheel top, the gear wheel rotates and installs on the elevating platform, the bottom one end fixed mounting of elevating platform has motor one, the output shaft of motor one runs through the elevating platform and is connected with the pinion, the pinion is connected with the gear wheel meshing.
As a further scheme of the invention: the bottom of elevating platform is connected with L type movable frame through crane one, crane two, crane one, crane two alternately set up, just one side slope of crane one is provided with the cylinder piston rod, the gyro wheel is installed to the bottom of L type movable frame.
The invention has the beneficial effects that: fully considers the characteristics of camphor tree seed oil rich in medium chain fatty acid (90 percent) and quick energy absorption and metabolism provided by the medium chain fatty acid, and prepares the plastic grease without low/zero trans fatty acid, which is used for margarine. Base oils such as shortening. The plastic oil is rich in medium chain fatty acid. The medium chain fatty acid in camphor tree seed oil can be utilized in the production process, and replaces coconut oil with high cost. Meanwhile, through transesterification, the physical properties of the raw oil are changed, and the nutrition value of the plastic grease is improved;
because medium-chain fatty acid can rapidly provide energy and is not easy to accumulate fat in the body, camphor tree seed oil is used for replacing other traditional long-chain fatty acid grease to prepare margarine, and the base oil of shortening is used for producing various foods, so that the base oil has health value for patients with excessive body fat or weak body. As China is not the main country of coconut oil, camphor tree seed oil is used for replacing the coconut oil, the production cost of the medium chain fatty acid structural fat can be reduced; the plastic grease prepared by the enzymatic transesterification can effectively control the generation of trans-fatty acid;
the squeezing barrel is placed on the clamping jaw, the cylinder is driven to drive the clamping jaw to descend, the movable arm II, the movable arm I and the rotary rod drive the limiting rod to swing inwards, and then the squeezing barrel is fixed, otherwise, the squeezing barrel can be loosened, and the squeezing barrel is convenient to install and detach and convenient to pour out oil residues;
then adding the raw materials into a press barrel, wherein the press barrel is provided with four press barrels, different raw materials can be pressed simultaneously, the working efficiency is improved, a locking bolt is rotated, a sealing cover is covered, the tightness of the press barrel is ensured, a motor III is driven, a screw rod is driven to rotate, a threaded sleeve is driven to rotate, an upper pressing disc is pushed to descend, the upper pressing disc is matched with a fixed disc to press, and pressed oil is filtered through a filter screen; in the filtering process, the second driving motor rotates, the belt and the belt pulley drive the rotating wheel to rotate, the rotating wheel drives the first eccentric wheel to rotate through the rotating shaft, the first eccentric wheel drives the first squeezing mechanism to reciprocate, and meanwhile, the first eccentric wheel also drives the second eccentric wheel to rotate, and the second eccentric wheel drives the second squeezing mechanism to reciprocate; meanwhile, the driving motor IV drives the small turntable to rotate, so as to drive the press barrel to carry out self-transmission; then the first driving motor works, the first driving motor drives the pinion to rotate, the pinion is meshed with the large gear, and then the large turntable of the press barrel is driven to rotate, the large turntable drives the bracket to rotate, the bracket drives the press barrel to revolve, and the filtering efficiency of the filter screen can be improved through the arrangement of the device; finally, the waste water is discharged through an oil discharge port.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the overall structure of a press apparatus according to the present invention;
FIG. 2 is a schematic view of the connection structure of the support and the press mechanism of the present invention;
FIG. 3 is a schematic view of the overall structure of the bracket according to the present invention;
FIG. 4 is a schematic view of the overall structure of the press mechanism of the present invention;
FIG. 5 is a schematic view showing the internal structure of the press mechanism according to the present invention;
FIG. 6 is a schematic view of the overall structure of the locking mechanism of the present invention;
FIG. 7 is a schematic view of the overall structure of the lifting platform according to the present invention;
fig. 8 is a schematic view of the overall structure of the L-shaped moving frame in the present invention.
In the figure: 1. an L-shaped movable frame; 2. a large turntable; 3. a roller; 4. a bracket; 5. a first press mechanism; 6. a lifting table; 7. a large gear; 8. a first motor; 9. a pinion gear; 10. a cylinder piston rod; 11. a lifting frame I; 12. a lifting frame II; 13. a balance bar; 14. a second motor; 15. a rotating wheel; 16. a rotation shaft; 17. an eccentric wheel I; 18. an eccentric wheel II; 19. a press barrel; 20. rotating the placing plate; 21. a tripod; 22. sealing cover; 23. a lifting block; 24. a locking bolt; 25. a third motor; 26. an upper platen; 27. a fixed plate; 28. a filter screen; 29. a fourth motor; 30. a screw rod; 31. a thread sleeve; 32. a cylinder; 33. a movable arm I; 34. a movable arm II; 35. a small turntable; 36. a limit rod; 37. a rotating rod; 38. a claw; 39. and a second press mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to figures 1-8 of the drawings,
example 1
A method of making a low/zero trans fatty acid shortening comprising the steps of:
firstly, respectively placing fried camphor tree seeds, palm seeds and soybeans in squeezing equipment for squeezing, firstly placing a squeezing barrel on a clamping jaw 38, driving an air cylinder 32 to drive the clamping jaw 38 to descend, driving a limiting rod 36 to swing inwards through a movable arm II 34, a movable arm I33 and a rotating rod 37, and further fixing the squeezing barrel, otherwise, loosening the squeezing barrel, and facilitating installation and disassembly and pouring oil residues; then raw materials are added into a press barrel 19, four press barrels 19 are arranged, different raw materials can be pressed simultaneously, the working efficiency is improved, a locking bolt 24 is rotated, a sealing cover 22 is covered, the tightness of the press barrel 19 is guaranteed, a motor III 25 is driven, a screw rod 30 is driven to rotate, a threaded sleeve 31 is driven to rotate, an upper pressing plate 26 is pushed to descend, the upper pressing plate 26 is matched with a fixed plate 27, pressing is carried out, and pressed oil is filtered through a filter screen 28; in the filtering process, the driving motor II 14 rotates, the rotating wheel 15 is driven to rotate through a belt and a belt pulley, the rotating wheel 15 drives the eccentric wheel I17 to rotate through the rotating shaft 16, the eccentric wheel I17 drives the first squeezing mechanism 5 to reciprocate, meanwhile, the eccentric wheel I17 also drives the eccentric wheel II 18 to rotate, and the eccentric wheel II 18 drives the second squeezing mechanism 39 to reciprocate; meanwhile, the driving motor IV 29 drives the small turntable 35 to rotate, so as to drive the press barrel 19 to carry out self-transmission; then the first motor 8 is driven to work, the first motor 8 drives the pinion 9 to rotate, the pinion 9 is meshed with the bull gear 7, and then the large turntable 2 of the press barrel 19 is driven to rotate, the large turntable 2 drives the bracket 4 to rotate, and the bracket 4 drives the press barrel 19 to revolve, so that the filtering efficiency of the filter screen 28 can be improved; finally, discharging through an oil discharge port to obtain camphor tree seed oil, palm oil and soybean oil, and refining the camphor tree seed oil, the palm oil and the soybean oil through refining equipment respectively;
step two, placing refined camphor tree seed oil, palm oil stearin or fully hydrogenated soybean oil raw materials into a temperature-controlled reaction kettle, uniformly mixing at 65 ℃ for 1-3 h, wherein the mass ratio of the palm oil stearin to the camphor tree seed oil is 4-6:1, a step of;
step three, in-use mol/L 2 Under the condition of maintaining positive pressure, adding 5-15% lipozyme RMIM lipase after mixing, and heating for reaction at 55-75 ℃ for 6-12 h after adding lipase;
step four, standing for 1 to 5 hours after the reaction is finished, and filtering lipase;
step five, deacidifying by using sodium hydroxide solution with the concentration of 0.05mol/L to 0.5mol/L, and vacuum dehydrating and drying for 12h to 24h to prepare a finished product.
The medium-chain fatty acid of the product is rich, the total content is 14.32-17.93%, and no trans fatty acid is detected.
The ester exchange grease can meet the plasticity requirement of the universal shortening base stock oil, the total content of medium-chain fatty acid is 14.32% -17.93%, and the content of trans fatty acid is extremely low.
Example 2
A method of making a low/zero trans fatty acid shortening comprising the steps of:
step one, the same as in example 1:
step two, placing refined camphor tree seed oil, palm oil stearin or fully hydrogenated soybean oil raw materials into a temperature-controlled reaction kettle, and uniformly mixing for 1-3 h, wherein the mass ratio of the palm oil stearin to the camphor tree seed oil is 3:2-4;
step three, adding 5-15% of lipozyme RMIM lipase after mixing, and heating to react at the temperature of 55-75 ℃ for 6-12 hours after adding the lipase;
step four, standing for 1 to 5 hours after the reaction is finished, and filtering lipase;
step five, deacidifying by using sodium hydroxide solution with the concentration of 0.05mol/L to 0.5mol/L, and vacuum dehydrating and drying for 12h to 24h to prepare a finished product.
The medium-chain fatty acid of the product is rich, the total content is 31.56-35.71%, and no trans fatty acid is detected;
the ester exchange grease has SFC percent smaller than or equal to 6 percent at normal temperature and good fluidity at 20-35 ℃, can be used as fluid shortening, has the total content of medium-chain fatty acid of 14.32-17.93 percent and has extremely high trans-fatty acid content
Example 3
A method of making a low/zero trans fatty acid shortening comprising the steps of:
step one, the same as in example 1;
step two, placing refined camphor tree seed oil, palm oil stearin or fully hydrogenated soybean oil raw materials into a temperature-controlled reaction kettle, uniformly mixing for 1-3 h, wherein the mass ratio of the fully hydrogenated soybean oil to the camphor tree seed oil is 3:2-4;
step three, adding 5-15% of lipozyme RMIM lipase after mixing, and heating to react at the temperature of 55-75 ℃ for 6-12 hours after adding the lipase;
step four, standing for 1 to 5 hours after the reaction is finished, and filtering lipase;
step five, deacidifying by using sodium hydroxide solution with the concentration of 0.05mol/L to 0.5mol/L, and vacuum dehydrating and drying for 12h to 24h to prepare a finished product.
The medium-chain fatty acid of the product is rich, the total content is 31.56-35.71%, and no trans fatty acid is detected; the ester exchange grease has SFC (small form factor) required by coating type margarine at 10-40 ℃, has good coating type at normal temperature, can be used as fluid type shortening, has the total content of medium chain fatty acid of 21.32% -32.93%, and has extremely low trans fatty acid content.
The squeezing equipment comprises a support 4, a first squeezing mechanism 5 and a second squeezing mechanism 39, wherein the top and the bottom of the support 4 are connected through a cross-shaped plate, a motor II 14 is fixedly arranged on the support 4, the motor II 14 is vertically arranged, an output shaft of the motor II 14 drives a rotating wheel 15 to rotate through a belt and a belt pulley, the top of the rotating wheel 15 drives a first eccentric wheel 17 to rotate through a rotating shaft 16, the top of the first eccentric wheel 17 drives the first squeezing mechanism 5 and the second eccentric wheel 18 to rotate through a rotating shaft, two sides of the rotating shaft are connected with a rotating placing disc 20, the top of the rotating shaft is connected with the second eccentric wheel 18, and the top of the second eccentric wheel 18 drives the second squeezing mechanism 39 to rotate through the rotating shaft;
the first pressing mechanism 5 and the second pressing mechanism 39 are arranged in a cross shape, the first pressing mechanism 5 is positioned below the second pressing mechanism 39, the structures of the first pressing mechanism 5 and the second pressing mechanism 39 are identical, the first pressing mechanism 5 comprises two rotary placing discs 20, the two rotary placing discs 20 are symmetrically arranged, the two rotary placing discs 20 are rotationally connected with a first eccentric wheel 17, the two rotary placing discs 20 of the second pressing mechanism 39 are connected with a second eccentric wheel, the top of the rotary placing disc 20 is vertically provided with a triangular bracket 21, one end of the triangular bracket 21 is connected with a sealing cover 22 through a locking bolt 24, the periphery of the sealing cover 22 is in sliding connection with the triangular bracket 21 through a lifting block 23, a third motor 25 is vertically arranged at the center of the top of the sealing cover 22, a lead screw 30 is fixedly arranged at the end part of an output shaft of the third motor 25, the lead screw 30 penetrates through the sealing cover 22, a threaded sleeve 31 is in threaded connection with the end part of the threaded sleeve 31, and an upper pressure plate 26 is rotationally connected with the end part of the threaded sleeve 31; the press barrel 19 is fixed at the top center of the rotary placement plate 20 by a locking mechanism.
The locking mechanism comprises a motor IV 29, the motor IV 29 is fixedly arranged at the bottom of the rotary placing disc 20, an output shaft of the motor IV 29 penetrates through the rotary placing disc 20 to be connected with a small rotary disc 35, the small rotary disc 35 is embedded into the rotary placing disc 20 and is rotationally connected with the rotary placing disc 20, an air cylinder 32 is fixedly arranged at the center of the top of the small rotary disc 35, a claw 38 is fixedly arranged at the end part of a piston rod of the air cylinder 32, three movable arms II 34 are movably connected with the top of the small rotary disc 35 at equal intervals, the other end of each movable arm II 34 is movably connected with a first movable arm 33, the first movable arm 33 is obliquely arranged on the claw 38 and is slidably connected with the claw 38, the other end of each movable arm I33 is rotationally connected with the claw 38, and the movable arm I33 is connected with two limiting rods 36 through rotating rods 37.
The inside fixed mounting of press drum 19 has fixed disk 27, evenly set up the through-hole on the fixed disk 27, the below fixed disk 27 fixed mounting has filter screen 28, the oil drain hole has been seted up to one side bottom of press drum 19.
The support 4 fixed mounting is at carousel 2 top, carousel 2 fixed mounting is at gear wheel 7 top, gear wheel 7 rotates and installs on elevating platform 6, the bottom one end fixed mounting of elevating platform 6 has a motor 8, the output shaft of motor 8 runs through elevating platform 6 and is connected with pinion 9, pinion 9 and gear wheel 7 meshing are connected.
The bottom of the lifting platform 6 is connected with the L-shaped movable frame 1 through a lifting frame I11 and a lifting frame II 12, the lifting frame I11 and the lifting frame II 12 are arranged in a crossing way, an air cylinder piston rod 10 is obliquely arranged on one side of the lifting frame I11, and a roller 3 is arranged at the bottom of the L-shaped movable frame 1; through driving cylinder piston rod 10, promote crane one 11 and crane two 12 rotation, and then drive elevating platform 6 go up and down, be convenient for adjust the height of squeezing the bucket, make things convenient for the oil extraction to and take off the squeezing the bucket, get rid of the oil residue.
The working principle of the invention is as follows: the squeezing barrel is placed on the clamping jaw 38, the cylinder 32 is driven to drive the clamping jaw 38 to descend, the movable arm II 34, the movable arm I33 and the rotary rod 37 drive the limiting rod 36 to swing inwards, and then the squeezing barrel is fixed, otherwise, the squeezing barrel can be loosened, and the device is convenient to install and detach and convenient to pour out oil residues;
then raw materials are added into a press barrel 19, four press barrels 19 are arranged, different raw materials can be pressed simultaneously, the working efficiency is improved, a locking bolt 24 is rotated, a sealing cover 22 is covered, the tightness of the press barrel 19 is guaranteed, a motor III 25 is driven, a screw rod 30 is driven to rotate, a threaded sleeve 31 is driven to rotate, an upper pressing plate 26 is pushed to descend, the upper pressing plate 26 is matched with a fixed plate 27, pressing is carried out, and pressed oil is filtered through a filter screen 28; in the filtering process, the driving motor II 14 rotates, the rotating wheel 15 is driven to rotate through a belt and a belt pulley, the rotating wheel 15 drives the eccentric wheel I17 to rotate through the rotating shaft 16, the eccentric wheel I17 drives the first squeezing mechanism 5 to reciprocate, meanwhile, the eccentric wheel I17 also drives the eccentric wheel II 18 to rotate, and the eccentric wheel II 18 drives the second squeezing mechanism 39 to reciprocate; meanwhile, the driving motor IV 29 drives the small turntable 35 to rotate, so as to drive the press barrel 19 to carry out self-transmission; then the first motor 8 is driven to work, the first motor 8 drives the pinion 9 to rotate, the pinion 9 is meshed with the bull gear 7, and then the large turntable 2 of the press barrel 19 is driven to rotate, the large turntable 2 drives the bracket 4 to rotate, the bracket 4 drives the press barrel 19 to revolve, and the filtering efficiency of the filter screen 28 can be improved through the arrangement of the device; finally, the waste water is discharged through an oil discharge port.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (3)
1. Use of a pressing apparatus for preparing a low/zero trans fatty acid shortening, wherein the method for preparing a low/zero trans fatty acid shortening comprises the steps of:
firstly, respectively placing fried camphor tree seeds and palm seeds into pressing equipment for pressing, firstly respectively adding the camphor tree seeds and the palm seeds into a pressing barrel (19), then rotating a locking bolt (24), covering a sealing cover (22), then driving a motor III (25) to drive a screw rod (30) to rotate, further driving a thread bush (31) to rotate, pushing an upper pressing plate (26) to descend, enabling the upper pressing plate (26) to be matched with a fixed plate (27) for pressing, and filtering pressed oil through a filter screen (28); in the filtering process, a driving motor II (14) rotates, a rotating wheel (15) is driven to rotate through a belt and a belt pulley, the rotating wheel (15) drives an eccentric wheel I (17) to rotate through a rotating shaft (16), the eccentric wheel I (17) drives a first squeezing mechanism (5) to reciprocate, meanwhile, the eccentric wheel I (17) also drives an eccentric wheel II (18) to rotate, the eccentric wheel II (18) drives a second squeezing mechanism (39) to reciprocate, and meanwhile, a driving motor IV drives a small turntable to rotate, so that a squeezing barrel is driven to carry out self-transmission; then the first driving motor works, the first driving motor drives the pinion to rotate, the pinion is meshed with the large gear, and then the large turntable of the press barrel is driven to rotate, the large turntable drives the bracket to rotate, and the bracket drives the press barrel to revolve, so that the filtering efficiency of the filter screen (28) is improved; finally, discharging through an oil discharge port to obtain camphor tree seed oil and palm oil, and refining the camphor tree seed oil and palm oil through refining equipment respectively;
step two, placing refined camphor tree seed oil and palm oil stearin raw materials into a temperature control reaction kettle, and uniformly mixing for 1-3 h, wherein the mass ratio of the palm oil stearin to the camphor tree seed oil is 3-6:4-1;
step three, adding 5-15% of Lipozyme RM IM lipase or TL IM lipase after mixing, and heating for reaction at 55-75 ℃ for 6-12 h;
step four, standing for 1 to 5 hours after the reaction is finished, and filtering lipase;
step five, deacidifying by using a sodium hydroxide solution with the concentration of 0.05mol/L to 0.5mol/L, and vacuum dehydrating and drying for 12 hours to 24 hours to prepare a finished product;
the squeezing equipment comprises a support (4), a first squeezing mechanism (5) and a second squeezing mechanism (39), wherein the top and the bottom of the support (4) are connected through a cross-shaped plate, a motor II (14) is fixedly arranged on the support (4), the motor II (14) is vertically arranged, an output shaft of the motor II (14) drives a rotating wheel (15) to rotate through a belt and a belt pulley, the top of the rotating wheel (15) drives a first eccentric wheel (17) to rotate through a rotating shaft (16), the top of the first eccentric wheel (17) drives the first squeezing mechanism (5) and the second eccentric wheel (18) to rotate through the rotating shaft, and the top of the second eccentric wheel (18) drives the second squeezing mechanism (39) to rotate through the rotating shaft;
the first squeezing mechanism (5) and the second squeezing mechanism (39) are arranged in a cross manner, the first squeezing mechanism (5) is located below the second squeezing mechanism (39), the structures of the first squeezing mechanism (5) and the second squeezing mechanism (39) are identical, the first squeezing mechanism (5) comprises two rotary placing discs (20), the two rotary placing discs (20) are symmetrically arranged, the two rotary placing discs (20) are both in rotary connection with an eccentric wheel one (17), an triangular bracket (21) is vertically arranged at the top of the rotary placing disc (20), one end of the triangular bracket (21) is connected with a sealing cover (22) through a locking bolt (24), the periphery of the sealing cover (22) is in sliding connection with the triangular bracket (21) through a lifting block (23), a motor three (25) is vertically arranged at the center of the top of the sealing cover (22), a screw rod (30) is fixedly arranged at the end part of the output shaft of the motor three (25), the screw rod (30) penetrates through the sealing cover (22), a threaded sleeve (31) is connected with the screw rod (30), and a threaded sleeve (31) is connected with the threaded sleeve; the top center of the rotary placing disc (20) is fixed with a press barrel (19) through a locking mechanism;
the locking mechanism comprises a motor IV (29), the motor IV (29) is fixedly arranged at the bottom of the rotary placing disc (20), an output shaft of the motor IV (29) penetrates through the rotary placing disc (20) and is connected with a small rotary disc (35), the small rotary disc (35) is embedded and arranged in the rotary placing disc (20) and is rotationally connected with the rotary placing disc (20), an air cylinder (32) is fixedly arranged at the center of the top of the small rotary disc (35), a claw (38) is fixedly arranged at the end part of a piston rod of the air cylinder (32), three movable arms II (34) are movably connected to the top of the small rotary disc (35) at equal intervals, the other end of each movable arm II (34) is movably connected with a movable arm I (33), the movable arm I (33) is obliquely arranged on each claw (38), one side of each movable arm I (33) is in sliding connection with each claw (38), the other end of each movable arm I (33) is rotationally connected with each claw (38), and each movable arm I (33) is connected with two limiting rods (36) through a rotary rod (37);
a fixed disc (27) is fixedly arranged in the press barrel (19), through holes are uniformly formed in the fixed disc (27), a filter screen (28) is fixedly arranged below the fixed disc (27), and an oil drain hole is formed in the bottom end of one side of the press barrel (19);
the support (4) fixed mounting is at carousel (2) top, carousel (2) fixed mounting is at gear wheel (7) top, gear wheel (7) rotate and install on elevating platform (6), the bottom one end fixed mounting of elevating platform (6) has motor one (8), the output shaft of motor one (8) runs through elevating platform (6) and is connected with pinion (9), pinion (9) are connected with gear wheel (7) meshing.
2. Use of a pressing apparatus according to claim 1 for preparing low/zero trans fatty acid shortening, characterized in that the balancing bars (13) are vertically mounted on both sides of the rotating holding pan (20), the tops of every two balancing bars (13) are connected by a connecting block, and the balancing bars (13) are slidably connected with the cross-shaped plates at the top of the support (4).
3. The use of the pressing apparatus according to claim 1 for preparing low/zero trans fatty acid shortening, wherein the bottom of the lifting table (6) is connected with the L-shaped movable frame (1) through a lifting frame one (11) and a lifting frame two (12), the lifting frame one (11) and the lifting frame two (12) are arranged in a crossed manner, a cylinder piston rod (10) is obliquely arranged on one side of the lifting frame one (11), and a roller (3) is arranged at the bottom of the L-shaped movable frame (1).
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| CN202010509487.1A CN111616236B (en) | 2020-06-04 | 2020-06-04 | Method for preparing low/zero trans fatty acid shortening |
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| CN202010509487.1A CN111616236B (en) | 2020-06-04 | 2020-06-04 | Method for preparing low/zero trans fatty acid shortening |
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