CN115368965B - Efficient edible oil squeezing process - Google Patents
Efficient edible oil squeezing process Download PDFInfo
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- CN115368965B CN115368965B CN202211065038.8A CN202211065038A CN115368965B CN 115368965 B CN115368965 B CN 115368965B CN 202211065038 A CN202211065038 A CN 202211065038A CN 115368965 B CN115368965 B CN 115368965B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000008157 edible vegetable oil Substances 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 128
- 238000001914 filtration Methods 0.000 claims abstract description 64
- 239000012535 impurity Substances 0.000 claims abstract description 32
- 239000010779 crude oil Substances 0.000 claims abstract description 31
- 238000007667 floating Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 10
- 239000012141 concentrate Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- 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
-
- 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
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/02—Filtering elements having a conical form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses an edible oil efficient squeezing process, which belongs to the field of edible oil, and is characterized in that when squeezed crude oil is filtered, the crude oil is put into a cone-shaped oil filtering cylinder, the crude oil surface is positioned below an overlapped filter disc, then the middle part of the overlapped filter disc is controlled to gradually move downwards, so that the overlapped filter disc changes in a plane-three-dimensional manner, in the process, small particle impurities in the crude oil are effectively forced to concentrate towards the inner wall of the cone-shaped oil filtering cylinder, the separation from the crude oil is realized, the filtered oil is transferred into the next cone-shaped oil filtering cylinder through a floating pipe which moves along with the filtered oil surface, and the filtration and impurity removal are repeatedly carried out, and compared with the prior art, the process that the oil spontaneously passes through a filter screen and the impurities spontaneously subsides is converted into the process that the oil passively passes through the filter screen, the impurity separation is carried out, so that the impurity separation speed is greatly improved, and the integral squeezing efficiency of the edible oil is remarkably improved.
Description
Technical Field
The invention relates to the field of edible oil, in particular to an efficient edible oil squeezing process.
Background
The pressing method is an oil extraction method for pressing oil from oil by applying mechanical external force to the oil. The squeezing method is the most common oil preparation method, and compared with other oil extraction methods, the squeezing method has the advantages of simple process, less matched equipment, retained nutrition of grease, strong adaptability to oil varieties, flexible production, good oil quality, light color, pure flavor and the like.
However, after squeezing, part of the residue is separated into cake-shaped, and part of the residue remains in the oil, so that more impurities are needed to be filtered, larger impurities are separated through filtration, and smaller impurities are separated through standing sedimentation in the prior art, but the problem that the whole squeezing efficiency of the edible oil is low due to the fact that the oil is high in viscosity and poor in fluidity, whether filtering or standing exists, the problem that the separating speed is low and the efficiency is low is solved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide an efficient edible oil squeezing process, when the squeezed crude oil is filtered, the crude oil is put into a conical oil filtering cylinder, the crude oil surface is positioned below an overlapped filter disc, then the middle part of the overlapped filter disc is controlled to gradually move downwards, so that the overlapped filter disc is subjected to plane-three-dimensional change, in the process, small particle impurities in the crude oil are effectively forced to concentrate towards the inner wall of the conical oil filtering cylinder to realize separation from the crude oil, and then the filtered oil is transferred into the next conical oil filtering cylinder through a floating pipe which moves along with the oil surface after filtration, and is repeatedly filtered for a plurality of times to finish filtration and impurity removal.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
An efficient edible oil squeezing process comprises the following steps:
s1, firstly selecting materials for oil extraction, and sequentially carrying out pretreatment of shelling, cleaning, impurity removal and airing on the materials;
s2, putting the material treated in the previous step into a cold-pressing spiral oil press, pressing oil, and then preliminarily filtering the obtained oil to separate large-particle oil residues to obtain crude oil;
s3, putting the crude oil into a cone-shaped oil filter cylinder, controlling the middle part of an overlapping filter disc to move downwards to enable the middle part of the overlapping filter disc to change in a plane-three-dimensional mode, so that small particle impurities in the crude oil are forced to concentrate towards the inner wall of the cone-shaped oil filter cylinder and are separated from the crude oil, transferring upper clear oil into the next cone-shaped oil filter cylinder through a floating pipe to carry out secondary filtration, repeating for a plurality of times, and removing impurities to obtain semi-finished oil;
and S4, sterilizing, filling and sealing at low temperature to preserve the semi-finished oil, and squeezing the edible oil.
Further, in the step S3, when the morphology of the overlapped filter is changed, the time for changing from the planar to the stereoscopic state is kept at 2 to 5 minutes.
Further, in the step S3, at least 3 cone-shaped oil filter cylinders are arranged, according to smooth filtration, the aperture of the overlapped filter disc in the next cone-shaped oil filter cylinder is smaller than that of the previous overlapped filter disc, the mesh number of the first overlapped filter disc is not smaller than 100 meshes, the mesh number of the last overlapped filter disc is not smaller than 400 meshes, and the mesh number refers to the mesh number of the porous filter cloth.
Further, the cone-shaped oil filtering cylinder comprises a shell, a lower slag containing cylinder in the lower end of the shell in threaded connection and a top plate arranged at the upper end of the shell in a covering mode, an oil outlet is connected to the top plate, an oil inlet is connected to the outer end of the shell, an overlapping filter disc is placed at the joint of the cylindrical surface and the conical surface of the shell, a plurality of electric push rods are installed between the top plate and the middle of the overlapping filter disc, a floating pipe is connected to the mouth of the lower portion of the oil outlet, and the floating pipe is located above the overlapping filter disc.
Further, the overlapping filter disc comprises a positioning ring, a lower moving plate, a plurality of inclined plane rings and a plurality of S-shaped oil filtering layers, wherein the positioning ring is connected with the outer shell in a clamping mode, the lower moving plate is located at the center, the inclined plane rings are sequentially located outside the lower moving plate, the S-shaped oil filtering layers are connected between the positioning ring and the inclined plane rings, between the inclined plane rings and the lower moving plate, one end of each S-shaped oil filtering layer, which is close to the center, is connected to the upper end of the inclined plane ring or the lower moving plate, and the other end of each S-shaped oil filtering layer is connected to the lower end of the positioning ring or the lower end of each inclined plane ring.
Furthermore, the two ends of the S-shaped oil filtering layer are elastic structures, and the part between the two ends is porous filter cloth.
Further, the cross section of the inclined plane ring is parallelogram, and the radian and the inclination of one side of the inclined plane ring facing the inner wall of the shell are kept consistent with those of the inner wall of the shell.
Further, the floating pipe comprises a loose pipe connected to the opening part of the oil outlet, a hydraulic ball and a plurality of binding ropes connected between the loose pipe and the hydraulic ball, and the hydraulic ball is of a light hollow structure.
Further, the loose tube is of a flexible sealing structure, the total length of the loose tube is not smaller than the height of the conical surface part of the shell, and the length of the binding rope is not smaller than the diameter of the hydraulic ball.
Further, the mouth part of the lower slag containing cylinder is fixedly connected with an oil separation slag layer, and the oil separation slag layer is of an elastic sealing structure.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) When the coarse oil after squeezing is filtered, the coarse oil is put into the cone-shaped oil filtering cylinder, the coarse oil surface is positioned below the overlapped filter disc, then the middle part of the overlapped filter disc is controlled to gradually move downwards, so that the overlapped filter disc is subjected to plane-three-dimensional change, in the process, small particle impurities in the coarse oil are effectively forced to concentrate towards the inner wall of the cone-shaped oil filtering cylinder, separation from the coarse oil is realized, the filtered oil is transferred into the next cone-shaped oil filtering cylinder through a floating pipe which moves along with the filtered oil surface, repeated filtration is carried out for multiple times, filtration and impurity removal are completed, and compared with the prior art, the process that the oil spontaneously passes through a filter screen and the impurities spontaneously subsides is converted into the process that the oil passively passes through the filter screen, so that the impurity separation speed is greatly improved, and the integral squeezing efficiency of the edible oil is remarkably improved.
Drawings
FIG. 1 is a schematic flow structure of the present invention;
FIG. 2 is a schematic view of the cross section of the cone-shaped oil filter cartridge of the present invention;
FIG. 3 is a schematic view of the front side of the present invention after the overlapping filters are changed from planar to solid;
FIG. 4 is a schematic representation of a cross-section of overlapping filter discs of the present invention;
FIG. 5 is a schematic view of the structure of the present invention in a stacked filter plane state;
FIG. 6 is a schematic diagram of a structure of an overlapping filter of the present invention in a stereoscopic state;
FIG. 7 is a schematic view of a front-to-back variation of the overlapping filter of the present invention;
fig. 8 is a schematic structural view of a float tube portion of the present invention.
The reference numerals in the figures illustrate:
11 shell, 12 lower slag containing cylinder, 2 top plate, 31 oil outlet, 32 oil inlet, 41 positioning ring, 42S-shaped oil filtering layer, 43 inclined plane ring, 44 lower moving plate, 5 electric push rod, 6 floating pipe, 61 loose pipe, 62 with hydraulic ball, 63 binding rope, 7 oil separating slag separating layer.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1, an efficient edible oil squeezing process includes the following steps:
s1, firstly selecting materials for oil extraction, and sequentially carrying out pretreatment of shelling, cleaning, impurity removal and airing on the materials;
s2, putting the material treated in the previous step into a cold-pressing spiral oil press, pressing oil, and then preliminarily filtering the obtained oil to separate large-particle oil residues to obtain crude oil;
s3, as shown in fig. 2-3, putting crude oil into a cone-shaped oil filter cylinder, controlling the middle part of an overlapped filter disc to move downwards to enable the overlapped filter disc to change in a plane-three-dimensional mode, so that small particle impurities in the crude oil are forced to concentrate towards the inner wall of the cone-shaped oil filter cylinder and are separated from the crude oil, transferring upper layer clear oil into the next cone-shaped oil filter cylinder through a floating pipe 6 for filtering again, repeating for a plurality of times, and removing impurities to obtain semi-finished oil;
and S4, sterilizing, filling and sealing at low temperature to preserve the semi-finished oil, and squeezing the edible oil.
In the step S3, when the shape of the overlapped filter discs is changed, the time for changing from a plane to a three-dimensional state is kept at 2-5min, the change is too fast, coarse oil transitional fluctuation is easy to be caused, fine impurities are easy to be dynamic in the coarse oil, and the fine impurities are easy to escape from the overlapped filter discs, so that the efficiency is influenced; too slow change can easily lead to the unobvious improvement of the overall preparation efficiency.
In the step S3, at least 3 cone-shaped oil filtering cylinders are arranged, repeated filtering is carried out for a plurality of times, the filtering effect is effectively ensured, according to smooth filtering, the aperture of an overlapped filter disc in the next cone-shaped oil filtering cylinder is smaller than that of the previous overlapped filter disc, the mesh number of the first overlapped filter disc is not smaller than 100 meshes, the mesh number of the last overlapped filter disc is not smaller than 400 meshes, the mesh number refers to the mesh number of a porous filter cloth, along with the increase of the filtering times, the filter cloth is thinner and thinner, the separation of tiny impurities in the repeated filtering is effectively ensured, and the quality of the obtained edible oil finished product is higher.
Referring to fig. 1, the cone-shaped oil filter cylinder comprises a shell 11, a lower slag containing cylinder 12 in threaded connection with the lower end of the shell 11, and a top plate 2 covered on the upper end of the shell 11, wherein an oil outlet 31 is connected to the top plate 2, an oil inlet 32 is connected to the outer end of the shell 11, an overlapped filter disc is arranged at the joint of the cylindrical surface of the shell 11 and the conical surface, a plurality of electric push rods 5 are arranged between the middle part of the top plate 2 and the overlapped filter disc, a floating pipe 6 is connected to the mouth part below the oil outlet 31, and the floating pipe 6 is positioned above the overlapped filter disc.
The mouth of the lower slag containing barrel 12 is fixedly connected with an oil separation slag layer 7, the oil separation slag layer 7 is of an elastic sealing structure, after filtration, and after the filtered oil is taken out through the floating pipe 6, the electric push rod 5 is controlled to be shortened firstly, then the lower slag containing barrel 12 is directly unscrewed, so that impurities are removed, on one hand, the lower movable plate 44 can be embedded into the lower slag containing barrel 12 when being moved downwards to the position, the inclined surface ring 43 with the minimum inner diameter can be effectively ensured to be attached to the inner wall of the shell 11, on the other hand, after the lower movable plate 44 is far away from the oil separation slag layer 7, the lower movable plate is restored to be original, and after the slag containing barrel 12 is taken down, the surface of the lower movable plate is flat, so that the impurities adhered to the surface of the lower movable plate can be removed relatively easily.
Referring to fig. 4-5, the overlapping filter disc includes a positioning ring 41, a lower moving plate 44 located at the center, a plurality of inclined plane rings 43 located outside the lower moving plate 44 in sequence, and a plurality of S-shaped oil filtering layers 42 connected between the positioning ring 41 and the inclined plane rings 43, between the inclined plane rings 43 and the lower moving plate 44, wherein one end of the S-shaped oil filtering layer 42 near the center is connected to the upper end of the inclined plane ring 43 or the lower moving plate 44, and the other end of the S-shaped oil filtering layer 42 is connected to the lower end of the positioning ring 41 or the inclined plane rings 43, as shown in fig. 6, when the lower moving plate 44 moves downward, the inclined plane rings 43 are pressed against the inner wall of the housing 11 to be in a conical three-dimensional distribution, the two ends of the S-shaped oil filtering layer 42 are opposite and are straightened, so that the section is changed from S to be straight, the pressing filtering effect on edible oil is better, and the pressing filtering effect of the S-shaped oil filtering layer 42 and the positioning ring 41 or the corners of the S-shaped oil filtering layer 42 are not easy to be damaged when the pressing.
The two ends of the S-shaped oil filtering layer 42 are of an elastic structure, namely, the two bending ends of the S-shaped oil filtering layer are of an elastic structure, the part between the two ends is porous filter cloth, namely, the flat part between the two bending ends is porous filter cloth, so that the elastic part can be stretched in the process of stretching and pushing the lower movable plate 44 to move downwards by the electric push rod 5, the outward-facing surface of the inclined plane ring 43 can be effectively ensured to be completely attached to the inner wall of the shell 11, and the compression filtering effect on crude oil is better.
The cross section of the inclined plane ring 43 is parallelogram, and one side of the inclined plane ring 43 facing the inner wall of the shell 11 keeps consistent with the radian and the inclination of the inner wall of the shell 11, so that the inclined plane ring 43 can be completely attached to the inner wall of the shell 11 along with the downward movement of the lower movable plate 44, the gap between the straightened S-shaped oil filtering layer 42 and the shell 11 is small, and the separation effect of crude oil and impurities is better.
Referring to fig. 8, the floating tube 6 includes a loose tube 61 connected to the mouth of the oil outlet 31, a hydraulic ball 62, and a plurality of binding ropes 63 connected between the loose tube 61 and the hydraulic ball 62, the hydraulic ball 62 is of a light hollow structure, so that the hydraulic ball 62 has a larger buoyancy force, so that the hydraulic ball can always float on the liquid surface of crude oil during filtration, the loose tube 61 is of a flexible sealing structure, the overall shape of the floating tube 6 is variable, when the liquid surface descends, the loose tube 61 can adaptively change along with the change of the liquid surface along with the binding ropes 63, and the total length of the loose tube 61 is not smaller than the height of the conical surface part of the shell 11, when the liquid surface descends to the lower acting plate 44, the length of the binding ropes 63 is not smaller than the diameter of the hydraulic ball 62, due to buoyancy force, the loose tube 61 always floats below the liquid surface due to gravity force under the connection of the binding ropes 63, and is relatively close to the liquid surface, when the overlapped filter discs become a three-dimensional state, the liquid is always sucked out from the surface of the whole filter disc, the liquid is prevented from being sucked out, the crude oil is not easily from the whole, the filtration efficiency is prevented from being reduced, and the impurities are not easily sucked out from the whole filtration efficiency is prevented from being easily from the surface is not easily reduced.
When the pressed crude oil is filtered, the crude oil is put into a cone-shaped oil filtering cylinder, the crude oil surface is positioned below an overlapped filter disc, then the middle part of the overlapped filter disc is controlled to gradually move downwards, so that the overlapped filter disc is subjected to plane-three-dimensional change, in the process, small particle impurities in the crude oil are effectively forced to concentrate towards the inner wall of the cone-shaped oil filtering cylinder, separation from the crude oil is realized, the filtered oil is transferred into the next cone-shaped oil filtering cylinder through a floating pipe 6 which moves along with the filtered oil surface, and repeated filtration is carried out for multiple times, so that filtration and impurity removal are completed.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (3)
1. An efficient edible oil squeezing process is characterized in that: the method comprises the following steps:
s1, firstly selecting materials for oil extraction, and sequentially carrying out pretreatment of shelling, cleaning, impurity removal and airing on the materials;
s2, putting the material treated in the previous step into a cold-pressing spiral oil press, pressing oil, and then preliminarily filtering the obtained oil to separate large-particle oil residues to obtain crude oil;
s3, putting the crude oil into a cone-shaped oil filter cylinder, controlling the middle part of an overlapping filter disc to move downwards to enable the middle part of the overlapping filter disc to change in a plane-three-dimensional mode, so that small particle impurities in the crude oil are forced to concentrate towards the inner wall of the cone-shaped oil filter cylinder and are separated from the crude oil, transferring upper clear oil into the next cone-shaped oil filter cylinder through a floating pipe (6) to be filtered again, repeating for a plurality of times, and removing impurities to obtain semi-finished oil;
s4, sterilizing, filling and sealing at low temperature to preserve the semi-finished oil, and squeezing the edible oil;
the conical oil filtering cylinder comprises a shell (11), a lower slag containing cylinder (12) which is connected with the lower end of the shell (11) in a threaded manner and a top plate (2) which is arranged at the upper end of the shell (11) in a covering manner, wherein an oil outlet (31) is connected to the top plate (2), an oil inlet (32) is connected to the outer end of the shell (11), an overlapping filter disc is arranged at the joint of the cylindrical surface and the conical surface of the shell (11), a plurality of electric push rods (5) are arranged between the top plate (2) and the middle part of the overlapping filter disc, a floating pipe (6) is connected to the opening part below the oil outlet (31), and the floating pipe (6) is positioned above the overlapping filter disc; the conical oil filtering cylinder comprises a shell (11), a lower slag containing cylinder (12) which is connected with the lower end of the shell (11) in a threaded manner and a top plate (2) which is arranged at the upper end of the shell (11) in a covering manner, wherein an oil outlet (31) is connected to the top plate (2), an oil inlet (32) is connected to the outer end of the shell (11), an overlapping filter disc is arranged at the joint of the cylindrical surface and the conical surface of the shell (11), a plurality of electric push rods (5) are arranged between the top plate (2) and the middle part of the overlapping filter disc, a floating pipe (6) is connected to the opening part below the oil outlet (31), and the floating pipe (6) is positioned above the overlapping filter disc; the overlapping filter disc comprises a positioning ring (41) clamped with the shell (11), a lower moving plate (44) positioned at the center, a plurality of inclined plane rings (43) sequentially positioned outside the lower moving plate (44) and a plurality of S-shaped oil filtering layers (42) connected between the positioning ring (41) and the inclined plane rings (43), between the inclined plane rings (43) and between the inclined plane rings (43) and the lower moving plate (44), one end of each S-shaped oil filtering layer (42) close to the center is connected to the upper end of each inclined plane ring (43) or the upper end of each lower moving plate (44), and the other end of each S-shaped oil filtering layer (42) is connected to the lower end of each positioning ring (41) or each inclined plane ring (43); the two ends of the S-shaped oil filtering layer (42) are of an elastic structure, and the part between the two ends is of porous filter cloth; the cross section of the inclined plane ring (43) is parallelogram, and the radian and the inclination of one side of the inclined plane ring (43) facing the inner wall of the shell (11) are consistent with those of the inner wall of the shell (11); the floating pipe (6) comprises a loose pipe (61) connected to the mouth of the oil outlet (31), a hydraulic ball (62) and a plurality of binding ropes (63) connected between the loose pipe (61) and the hydraulic ball (62), and the hydraulic ball (62) is of a light hollow structure; the loose tube (61) is of a flexible sealing structure, the total length of the loose tube (61) is not smaller than the height of the conical surface part of the shell (11), and the length of the binding rope (63) is not smaller than the diameter of the hydraulic ball (62); the mouth part of the lower Cheng Zhatong (12) is fixedly connected with an oil-separating and slag-separating layer (7), and the oil-separating and slag-separating layer (7) is of an elastic sealing structure.
2. The efficient edible oil squeezing process according to claim 1, wherein: and when the shape of the overlapped filter sheet is changed in the step S3, the time for changing from the plane to the three-dimensional state is kept between 2 and 5 minutes.
3. The efficient edible oil squeezing process according to claim 1, wherein: in the step S3, at least 3 cone-shaped oil filter cylinders are arranged, according to smooth filtration, the aperture of an overlapped filter disc in the back cone-shaped oil filter cylinder is smaller than that of the previous overlapped filter disc, the mesh number of the first overlapped filter disc is not smaller than 100 meshes, and the mesh number of the last overlapped filter disc is not smaller than 400 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065038.8A CN115368965B (en) | 2022-09-01 | 2022-09-01 | Efficient edible oil squeezing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065038.8A CN115368965B (en) | 2022-09-01 | 2022-09-01 | Efficient edible oil squeezing process |
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| Publication Number | Publication Date |
|---|---|
| CN115368965A CN115368965A (en) | 2022-11-22 |
| CN115368965B true CN115368965B (en) | 2023-11-03 |
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| CN202211065038.8A Active CN115368965B (en) | 2022-09-01 | 2022-09-01 | Efficient edible oil squeezing process |
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