CN114703019A - Shea butter continuous refining equipment and refining process thereof - Google Patents
Shea butter continuous refining equipment and refining process thereof Download PDFInfo
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- CN114703019A CN114703019A CN202210459759.0A CN202210459759A CN114703019A CN 114703019 A CN114703019 A CN 114703019A CN 202210459759 A CN202210459759 A CN 202210459759A CN 114703019 A CN114703019 A CN 114703019A
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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 relates to a shea butter continuous refining device and a shea butter continuous refining process, which comprises the following steps: the grease dissolving tank, the first mixing kettle, the filter tank, the winterization reation kettle, centrifuge, the second mixing kettle, stills and holding vessel, through opening the valve of second mixing kettle discharge gate department, close stills feed inlet department valve, close centrifuge feed inlet department valve, close winterization reation kettle discharge gate department valve, close filter tank discharge gate department valve, open winterization reation kettle feed inlet department valve, the shea butter oil solution after once purifying flows out from the discharge gate department of second mixing kettle, pass through second communicating pipe and first communicating pipe in proper order, get into from the feed inlet department of winterization reation kettle, carry out the secondary purification, repeat above-mentioned operation and can purify shea butter dissolving liquid many times, can reduce the waste of shea butter dissolving liquid when purifying shea butter, improve the purification rate of shea butter dissolving liquid.
Description
Technical Field
The invention relates to the technical field of chemical refining equipment, in particular to shea butter continuous refining equipment.
Background
Shea butter is a natural oil extracted from the kernels of shea butter growing in tropical rainforests of countries such as california, nigeria and the like in western africa, and the main components of shea butter are stearin, olein, linoleate glyceride and the like, so that the shea butter becomes a high-end cosmetic basic material with vigorous market demand due to the extremely excellent skin care function.
However, since the nuts of shea butter contain a certain amount of cellulose, carotenoids, proteins, sterols, etc., these substances affect the performance of shea butter as a cosmetic base.
The existing traditional shea butter refining equipment can purify the shea butter obtained by rough processing by utilizing the property that cellulose, protein and phytosterol are not dissolved in organic nonpolar solvents such as n-hexane, but a large amount of shea butter still exists in a purification reaction solution and cannot be completely purified.
Therefore, how to provide a continuous refining device for shea butter, which is a technical problem that needs to be solved by those skilled in the art to purify shea butter in a reaction solution for many times.
Disclosure of Invention
The invention provides a shea butter continuous refining device, which solves the technical problem that the prior shea butter refining device can not thoroughly purify shea butter in a reaction solution.
The technical scheme for solving the technical problems is as follows, and the continuous refining equipment for shea butter comprises: a grease dissolving tank, a first mixing kettle, a filtering tank, a winterization reaction kettle, a centrifuge, a second mixing kettle, a distillation kettle and a storage tank,
the oil dissolving tank, the first mixing kettle, the filtering tank, the winterization reaction kettle, the centrifuge, the second mixing kettle, the distillation kettle and the material conveying pipelines corresponding to the material outlet and the material inlet of the storage tank are all provided with valves,
the discharge port of the grease dissolving tank is communicated with the feed port of the first mixing kettle through a feed delivery pipeline, the discharge port of the first mixing kettle is communicated with the feed port of the filter tank through a feed delivery pipeline, the discharge port of the filter tank is communicated with the feed port of the winterization reaction kettle through a feed delivery pipeline, the discharge port of the winterization reaction kettle is communicated with the feed port of the centrifuge through a feed delivery pipeline, the discharge port of the centrifuge is communicated with the feed port of the second mixing kettle, the discharge port of the second mixing kettle is communicated with the feed port of the distillation tank, and the discharge port of the distillation tank is communicated with the feed port of the storage pipe;
a material conveying pipeline between a valve at the discharge port of the filter tank and a valve at the feed port of the winterization reaction kettle is communicated with a material conveying pipeline between the valve at the discharge port of the winterization reaction kettle and a valve at the feed port of the centrifuge through a first communicating pipe;
and a material conveying pipeline between a valve at the discharge port of the winterization reaction kettle and a valve at the feed port of the centrifuge is communicated with a material conveying pipeline between the valve at the discharge port of the second mixing kettle and a valve at the feed port of the distillation kettle through a second communicating pipe.
The beneficial effects of the invention are: through opening second mixing tank discharge gate department valve, close distillation still feed gate department valve, close centrifuge feed gate department valve, close winterization reation kettle discharge gate department valve, close filter tank discharge gate department valve, open winterization reation kettle feed gate department valve, shea butter solution after once purification flows out from the discharge gate department of second mixing tank, pass through second communicating pipe and first communicating pipe in proper order, get into from winterization reation kettle's feed gate department, carry out the secondary purification, repeat above-mentioned operation and can purify shea butter solution many times, can reduce the waste of shea butter solution in the purification of shea butter, improve the purification rate of shea butter solution.
Description of the continuous refining process of shea butter:
s1, injecting the shea butter into a grease dissolving tank, heating the grease dissolving tank to 80 ℃, and dissolving the shea butter to form a shea butter dissolving solution;
s2, injecting the shea butter solution into a first mixing kettle, adding a petroleum ether solution with the volume same as that of the shea butter solution into the first mixing kettle, heating at constant temperature for 30min, and fully mixing the shea butter solution and the petroleum ether solution;
s3, injecting the mixed solution into a filtering tank, removing impurities which are insoluble in petroleum ether solution, such as plant fibers, proteins and the like in the shea butter dissolving solution in the filtering tank, and injecting the mixed solution after impurity removal into a winterization reaction kettle;
s4, reducing the temperature in the winterization reaction kettle to 4 ℃, so that the temperature of the impurity removal solution is reduced when the impurity removal solution is cooled, the solubility of the shea butter is reduced, part of the shea butter is separated out, cooled and crystallized, and a mixed solution with crystallized shea butter is formed, wherein the crystallized shea butter can remove pigments, free fatty acids and other volatile components carried by the crystallized shea butter;
s5, injecting the solid-liquid mixture in the winterization reaction kettle into a centrifuge, and separating solid shea butter from the mixed solution under the action of the centrifuge, wherein the solid shea butter can flow out from a finished product outlet at the bottom end of the centrifuge to complete primary purification of a shea butter solution;
s6, injecting the residual mixed solution in the centrifuge into a second mixing kettle, injecting petroleum ether solution with the same volume into the second mixing kettle, heating the second mixing kettle for a period of time, and fully mixing the petroleum ether solution and the once purified shea butter solution to form a new mixed solution;
s7, injecting a new mixed solution formed in the second mixing kettle into the winterization reaction kettle; (a valve at a discharge port of a second mixing kettle is opened, a valve at a feed port of a distillation kettle is closed, a valve at a feed port of a centrifugal machine is closed, a valve at a discharge port of a winterization reaction kettle is closed, a valve at a discharge port of a filter tank is closed, a valve at a feed port of a winterization reaction kettle is opened, and the once purified shea butter solution flows out of the discharge port of the second mixing kettle, sequentially passes through a second communicating pipe and a first communicating pipe, and enters from the feed port of the winterization reaction kettle);
s8, repeating the steps S4, S5, S6 and S7, and completing multiple purifications;
and S9, introducing the multi-purified mixed solution into a distillation kettle, heating the distillation kettle, and heating and evaporating petroleum ether in the mixed solution to enter a storage tank.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the grease dissolving tank comprises a first fixed seat, a first tank body, a first shell and a first steam control device,
the first tank body is fixed on the first fixed seat, and a valve is arranged on a material conveying pipeline corresponding to a material inlet and a material outlet of the first tank body; the first shell is fixed on the outer wall of the first tank body in a sealing mode, a first interlayer is defined between the first shell and the side wall of the first tank body, and a first interlayer air outlet is formed in the bottom end of the first shell; the first steam control device is arranged on the outer side wall of the first shell and is provided with a first steam inlet and a first steam outlet, the first steam inlet is communicated with the outside, and the first steam outlet is communicated with the first interlayer.
The oil dissolving tank further has the beneficial effects that the first interlayer is arranged between the first tank body and the first shell, so that the entering amount of steam can be controlled under the control of the first steam control device, and the internal temperature of the oil dissolving tank can be accurately controlled.
Further, the first mixing kettle, the winterization reaction kettle, the second mixing kettle and the distillation kettle have the same structure and respectively comprise a first mounting seat, a kettle body and a second shell,
the kettle body is arranged on the first mounting seat, valves are arranged on material conveying pipelines corresponding to a material outlet and a material inlet of the kettle body, the material inlet of the kettle body of the first mixing kettle is communicated with the material outlet of the first tank body through the material conveying pipelines, and the material outlet of the kettle body of the second mixing kettle is communicated with the material inlet of the kettle body of the distillation kettle through the material conveying pipelines; the second shell is fixed on the outer wall of the kettle body in a sealing mode and defines a second interlayer between the outer wall of the kettle body, and a second steam inlet, a condensate water inlet and a second steam outlet which are communicated with the outside and the second interlayer are formed in the second shell.
Further, the first mixing kettle and the second mixing kettle are all three-way valves, and a feed inlet at the other end of each three-way valve can be communicated with an external petroleum ether conveying pipeline.
The four stirrers are respectively arranged inside the four kettle bodies; the four motors are respectively fixed at the top outside the four kettles, and output shafts of the motors respectively penetrate through the four kettles and are in transmission connection with the four stirrers.
The method has the further beneficial effects that the four motors are respectively started, the stirrers can accelerate the mixing reaction in the four kettle bodies, the stirrers of the winterization reaction kettle can stir the solid shea butter, and the solid shea butter is crystallized to the bottom of the winterization reaction kettle body, so that the blockage of a material conveying pipeline is prevented.
Further, the filter tank comprises a second fixed seat, a second tank body, a filter screen, filter cloth, a third shell and a second steam control device,
the second tank body is fixed on the second fixing seat, and a valve is arranged on a material conveying pipeline corresponding to a material inlet and a material outlet of the second tank body, the material inlet of the second tank body is communicated with the material outlet of the kettle body of the first mixing kettle through the material conveying pipeline, and the material outlet of the second tank body is communicated with the material inlet of the kettle body of the winterization reaction kettle through the material conveying pipeline; the peripheral side of the filter screen is arranged on the inner wall of the second tank body; the filter cloth is flatly laid on the filter screen; the third shell is fixed on the outer wall of the second tank body in a sealing mode, a third interlayer is defined between the third shell and the second tank body, and a third interlayer air outlet is formed in the bottom end of the third shell; the second steam control device is installed on the outer wall of the third shell and is provided with a third steam inlet and a third steam outlet, the third steam inlet is communicated with the outside, and the third steam outlet is communicated with the third interlayer.
The further beneficial effect is that the impurities which are insoluble in petroleum ether solution, such as plant fiber, protein and the like in the shea butter dissolving solution can be removed through the double filtration of the filter cloth and the filter screen.
Furthermore, the filter screen also comprises a transparent opening and closing door, the side wall of the second tank body corresponding to the upper part of the filter screen is provided with a through hole, and the opening and closing door can be opened and closed and is fixed at the through hole.
The filter has the further beneficial effects that the transparent opening and closing door is convenient for observing the filtering condition in the filter tank on one hand and is convenient for replacing the filter cloth on the other hand.
Further, the centrifuge comprises a second mounting seat, a centrifuge outer machine, a centrifuge inner machine, a rotating motor and a spraying device,
the centrifugal outer machine is mounted on the second mounting seat; the centrifugal inner machine is arranged in the centrifugal outer machine, a feed inlet at the top end of the centrifugal inner machine penetrates out of the centrifugal outer machine installation valve, the feed inlet of the centrifugal inner machine is communicated with a discharge outlet of the kettle body of the winterization reaction kettle through a material conveying pipeline, a finished material outlet penetrating through the bottom of the centrifugal outer machine is arranged at the bottom end of the centrifugal inner machine, a discharge outlet at one side of the centrifugal inner machine penetrates through the centrifugal outer machine installation valve, and the discharge outlet of the centrifugal inner machine is communicated with the kettle body feed inlet of the second mixing kettle through the material conveying pipeline; the rotating motor is arranged at the top end of the centrifugal outer machine, and an output shaft of the rotating motor is fixedly connected with the centrifugal inner machine so as to drive the centrifugal inner machine to rotate; the spraying device is installed at the top of the centrifugal outer machine, and a spraying outlet of the spraying device is arranged at the inner top end of the centrifugal inner machine.
The method has the further beneficial effects that the spraying device is arranged at the top end of the centrifugal outer machine, so that the petroleum ether solution can be sprayed into the centrifugal inner machine, pigments, free fatty acids and some flavor substances (easy to oxidize and deteriorate) dissolved in residual petroleum ether can be removed, and the purification degree of the shea butter is improved.
Further, the holding vessel is two, still the top and the bottom of the cauldron body are equipped with the discharge gate respectively, two the holding vessel respectively with still two discharge gates intercommunication of the cauldron body.
Further, still include the condenser, the feed inlet of condenser with stills the feed inlet on cauldron body top communicates, its discharge gate and one the feed inlet of holding vessel communicates.
Further comprises three temperature sensors, three pressure sensors, three liquid level sensors, three vacuum degree sensors and three display operation instruments,
the three temperature sensors, the three pressure sensors, the three liquid level sensors and the three vacuum degree sensors are respectively arranged in the first tank body, the second tank body and the centrifugal internal machine; the three display operation instruments are respectively arranged on the outer side walls of the first shell, the third shell and the centrifugal outer machine and are respectively and electrically connected with the temperature sensor, the pressure sensor, the liquid level sensor and the vacuum degree sensor which are adjacent to the display operation instruments.
The centrifugal pump has the further beneficial effects that the temperature, the air pressure, the liquid level and the vacuum degree in the first tank body, the second tank body and the centrifugal indoor unit can be monitored.
Further, the device also comprises six vacuum valves, wherein the second tank body, the four kettle bodies and the top end of the centrifugal inner machine are provided with air exhaust holes, and the six vacuum valves are respectively arranged at the six air exhaust holes.
The adoption of the further beneficial effect is that the vacuum valves are arranged at the top ends of the second tank body, the four kettle bodies and the centrifugal inner machine, so that the interior of the second tank body, the four kettle bodies and the centrifugal inner machine can be vacuumized, and the shea butter can be sucked into the lower-order interior in a vacuum manner by utilizing the pressure difference between the interior of the kettle body of the first mixing kettle and the interior of the first tank body, the pressure difference between the interior of the second tank body and the interior of the kettle body of the first mixing kettle, the pressure difference between the interior of the kettle body of the winterization reaction kettle and the interior of the second tank body, the pressure difference between the interior of the centrifugal inner machine and the interior of the winterization reaction kettle, the pressure difference between the interior of the kettle body of the second mixing kettle and the interior of the centrifugal machine, and the pressure difference between the kettle body of the distillation kettle and the kettle body of the second mixing kettle.
The device comprises a kettle body, a centrifugal machine and five transparent end covers, wherein the kettle body is provided with a plurality of operating holes, and the centrifugal machine is arranged in the kettle body.
The adoption of the further beneficial effect is that the transparent end cover can observe the internal conditions of the first mixing kettle, the winterization reaction kettle, the centrifugal outer machine, the second mixing kettle and the distillation kettle, and can also replace the internal parts of the first mixing kettle, the winterization reaction kettle, the centrifugal outer machine, the second mixing kettle and the distillation kettle.
Further, still include five evacuation valves, the second jar of body and four evacuation hole has all been seted up on the top of the cauldron body, five the evacuation valve is installed respectively at five evacuation mouth department.
The method has the further beneficial effect that the pressure in the first mixing kettle, the filter tank, the winterization reaction kettle, the second mixing kettle and the distillation kettle can be the same as the external atmospheric pressure by opening the emptying valve.
Drawings
FIG. 1 is a schematic view of an assembly structure of a continuous refining apparatus for shea butter according to the present invention;
FIG. 2 is a schematic structural diagram of a grease solution tank and a first mixing kettle in the Shea butter continuous refining equipment according to the present invention;
FIG. 3 is a schematic structural diagram of a filter tank and a winterization reaction kettle in the Shea butter continuous refining equipment of the present invention;
FIG. 4 is a schematic view of a filter screen of a filter tank in the Shea butter continuous refining apparatus according to the present invention;
FIG. 5 is a schematic structural diagram of a centrifuge and a second mixing kettle in a continuous shea butter refining device according to the present invention;
FIG. 6 is a schematic view of the internal structure of a centrifuge in a continuous refining apparatus for shea butter according to the present invention;
FIG. 7 is a schematic structural diagram of a distillation still and a storage tank in a continuous refining device for shea butter according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a grease dissolving tank, 2, a second mixing kettle, 3, a filtering tank, 4, a winterization reaction kettle, 5, a centrifuge, 6, a second mixing kettle, 7, a distillation kettle, 8 and a storage pipe,
01. a first fixed seat 02, a first tank 03, a first shell 031, a first interlayer air outlet 04, a first steam control device 041, a first steam inlet 042 and a first steam outlet,
11. a first mounting seat 12, a kettle body 13, a second shell 131, a second steam inlet 132, a condensed water inlet 133, a second steam outlet 14, a stirrer 15 and a motor,
21. a second fixed seat 22, a second tank body 23, a filter screen 24, a third shell 241, a third interlayer air outlet 25, a second steam control device 251, a third steam inlet 252, a third steam outlet 26 and a switch door,
31. a second mounting seat 32, a centrifugal outer machine 33, a centrifugal inner machine 331, a finished product outlet 34, a rotating motor 35 and a spraying device,
41. the display operation instrument is used for displaying the operation instrument,
51. a vacuum valve is arranged on the upper portion of the vacuum valve,
61. the end cap is provided with a plurality of end covers,
71. the valve is emptied out of the way,
81. a first communication pipe, 82, a second communication pipe,
91. a condenser.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a shea butter continuous refining apparatus includes: a grease dissolving tank 1, a first mixing kettle 2, a filtering tank 3, a winterization reaction kettle 4, a centrifuge 5, a second mixing kettle 6, a distillation kettle 7 and a storage tank 8,
the discharge ports and the feed ports of the grease dissolving tank 1, the first mixing kettle 2, the filter tank 3, the winterization reaction kettle 4, the centrifuge 5, the second mixing kettle 6, the distillation kettle 7 and the storage tank 8 are sequentially communicated in series through feed pipelines, and valves are arranged on the feed pipelines respectively corresponding to the discharge ports and the feed ports;
a material conveying pipeline between a valve at the discharge port of the filter tank 3 and a valve at the feed port of the winterization reaction kettle 4 is communicated with a material conveying pipeline between the valve at the discharge port of the winterization reaction kettle 4 and a valve at the feed port of the centrifuge 5 through a first communicating pipe 81;
a material conveying pipeline between a valve at the discharge port of the winterization reaction kettle 4 and a valve at the feed port of the centrifuge 5 is communicated with a material conveying pipeline between a valve at the discharge port of the second mixing kettle 6 and a valve at the feed port of the distillation kettle 7 through a second communicating pipe 82.
In some embodiments, the grease dissolving tank 1 comprises a first fixing base 01, a first tank 02, a first housing 03 and a first steam control device 04,
the first tank body 02 is fixed on the first fixed seat 01, and a valve is arranged on a material conveying pipeline corresponding to a material inlet and a material outlet of the first tank body; the first shell 03 is fixed on the outer wall of the first tank 02 in a sealing manner, a first interlayer is defined between the first shell 03 and the side wall of the first tank 02, and a first interlayer air outlet 031 is formed in the bottom end of the first shell 03; the first steam control device 04 is installed on the outer side wall of the first shell 03 and is provided with a first steam inlet 041 and a first steam outlet 042, the first steam inlet 041 is communicated with the outside, and the first steam outlet 042 is communicated with the first interlayer.
In some embodiments, the first mixing still 2, the winterization reaction still 4, the second mixing still 6 and the distillation still 7 all have the same structure and comprise a first mounting seat 11, a still body 12 and a second shell 13,
the kettle body 12 is arranged on the first mounting seat 11, and a valve is arranged on a material conveying pipeline corresponding to a material outlet and a material inlet of the kettle body 12, the material inlet of the kettle body 12 of the first mixing kettle 2 is communicated with the material outlet of the first tank body 02 through the material conveying pipeline, and the material outlet of the kettle body 12 of the second mixing kettle 6 is communicated with the material inlet of the kettle body 12 of the distillation kettle 7 through the material conveying pipeline; the second shell 13 is fixed on the outer wall of the kettle body 12 in a sealing manner, a second interlayer is defined between the second shell 13 and the outer wall of the kettle body 12, and a second steam inlet 131, a condensate water inlet 132 and a second steam outlet 133 which are communicated with the outside and the second interlayer are formed in the second shell 13.
In some specific embodiments, the reactor further comprises four stirrers 14 and four motors 15, wherein the four stirrers 14 are respectively arranged inside the four kettle bodies 12; the four motors 15 are respectively fixed at the outer tops of the four kettle bodies 12, and output shafts of the motors respectively penetrate through the four kettle bodies 12 to be in transmission connection with the four stirrers 14.
In some embodiments, the canister 3 includes a second fixing seat 21, a second canister 22, a filter screen 23, a filter cloth, a third housing 24 and a second steam control device 25,
the second tank 22 is fixed on the second fixed seat 21, and the feed inlet and the feed delivery pipeline corresponding to the discharge outlet are provided with valves, the feed inlet of the second tank 22 is communicated with the discharge outlet of the kettle body 12 of the first mixing kettle 2 through the feed delivery pipeline, and the discharge outlet of the second tank 22 is communicated with the feed inlet of the kettle body 12 of the winterization reaction kettle 4 through the feed delivery pipeline; the periphery side of the filter screen 23 is arranged on the inner wall of the second tank 22; the filter cloth is flatly laid on the filter screen 23; the third shell 24 is fixed on the outer wall of the second tank 22 in a sealing manner, a third interlayer is defined between the third shell and the second tank 22, and a third interlayer air outlet 241 is arranged at the bottom end of the third shell 24; the second steam control device 25 is installed on the outer wall of the third casing 24 and is provided with a third steam inlet 251 and a third steam outlet 252, the third steam inlet 251 is communicated with the outside, and the third steam outlet 252 is communicated with the third interlayer.
In some embodiments, the centrifuge 5 includes a second mounting seat 31, an outer centrifuge 32, an inner centrifuge 33, a rotating motor 34 and a spraying device 35,
the centrifugal outer machine 32 is mounted on the second mounting seat 31; the centrifugal inner machine 33 is arranged in the centrifugal outer machine 32, a feed inlet at the top end of the centrifugal inner machine 33 penetrates out of the centrifugal outer machine 32 to be provided with a valve, the feed inlet of the centrifugal inner machine 33 is communicated with a discharge outlet of the kettle body 12 of the winterization reaction kettle 4 through a feed conveying pipeline, a finished product outlet 331 penetrating through the bottom of the centrifugal outer machine 32 is arranged at the bottom end of the centrifugal inner machine 33, a discharge outlet at one side of the centrifugal inner machine 33 penetrates out of the centrifugal outer machine 32 to be provided with a valve, and the discharge outlet of the centrifugal inner machine 33 is communicated with the feed inlet of the kettle body 12 of the second mixing kettle 6 through a feed conveying pipeline; the rotating motor 34 is installed at the top end of the centrifugal outer machine 32, and the output shaft of the rotating motor is fixedly connected with the centrifugal inner machine 33 so as to drive the centrifugal inner machine 33 to rotate; the spray device 35 is installed on top of the centrifugal outer machine 32 and its spray outlet is arranged at the inner top end of the centrifugal inner machine 33.
In some embodiments, there are two storage tanks 8, the top end and the bottom end of the kettle body 12 of the distillation kettle 7 are respectively provided with a discharge port, and the two storage tanks 8 are respectively communicated with the two discharge ports of the kettle body 12 of the distillation kettle 7.
In some embodiments, three temperature sensors, three pressure sensors, three liquid level sensors, three vacuum sensors and three display operators 41 are further included,
three temperature sensors, three pressure sensors, three liquid level sensors and three vacuum degree sensors are respectively arranged in the first tank body 02, the second tank body 22 and the centrifugal indoor unit 33; the three display operation instruments 41 are respectively installed on the outer side walls of the first shell 03, the third shell 24 and the centrifugal outer machine 32 and are respectively and electrically connected with the temperature sensor, the pressure sensor, the liquid level sensor and the vacuum degree sensor which are adjacent to the three display operation instruments.
In some embodiments, the centrifugal drying device further comprises six vacuum valves 51, suction holes are formed in the top ends of the second tank 22, the four tanks 12 and the centrifugal indoor unit 33, and the six vacuum valves 51 are respectively installed at the six suction holes.
In some embodiments, the filter further comprises a transparent opening and closing door 26, the side wall of the second tank 22 above the filter screen 23 is provided with a through hole, and the opening and closing door 26 is fixed at the through hole in an openable and closable manner.
In some embodiments, there are two storage tanks 8, the top end and the bottom end of the kettle body 12 of the distillation kettle 7 are respectively provided with a discharge port, and the two storage tanks 8 are respectively communicated with the two discharge ports of the kettle body 12 of the distillation kettle 7.
In some embodiments, the distillation still further comprises a condenser 91, wherein the inlet of the condenser 91 is communicated with the inlet at the top end of the still body 12 of the distillation still 7, and the outlet thereof is communicated with the inlet of one storage tank 8.
In some embodiments, the centrifugal drying device further comprises five transparent end covers 61, four operating holes are formed in the top ends of the kettle body 12 and the centrifugal outer unit 32, and the five end covers 61 can be respectively mounted at the five operating holes in an opening and closing manner.
In some embodiments, the system further comprises five emptying valves 71, wherein the second tank 22 and the top ends of the four tanks 12 are respectively provided with an emptying hole, and the five emptying valves 71 are respectively installed at the five emptying holes.
A process for continuously refining shea butter comprises the following steps:
s1, injecting the shea butter into the grease dissolving tank 1, heating the grease dissolving tank 1 to 80 ℃, and dissolving the shea butter to form a shea butter dissolving solution;
s2, injecting the shea butter solution into the first mixing kettle 2, adding the petroleum ether solution with the volume same as that of the shea butter solution into the first mixing kettle 2, heating at constant temperature for 30min, and fully mixing the shea butter solution and the petroleum ether solution;
s3, injecting the mixed solution into a filter tank 3, removing impurities which are insoluble in petroleum ether solution, such as plant fibers, proteins and the like in the shea butter dissolved solution in the filter tank 3, and injecting the mixed solution after impurity removal into a winterization reaction kettle 4;
s4, reducing the temperature in the winterization reaction kettle 4 to 4 ℃, so that the temperature of the impurity removal solution is reduced when the impurity removal solution is cooled, the solubility of the shea butter is reduced, part of the shea butter is separated out and cooled and crystallized, and a mixed solution with crystallized shea butter is formed, wherein the crystallized shea butter can remove pigments, free fatty acids and other volatile components carried by the crystallized shea butter;
s5, injecting the solid-liquid mixture in the winterization reaction kettle 4 into a centrifuge 5, and separating solid shea butter from the mixed solution under the action of the centrifuge 5, wherein the solid shea butter can flow out from a finished product outlet at the bottom end of the centrifuge 5, so as to complete the primary purification of a shea butter solution;
s6, injecting the remaining mixed solution in the centrifuge 5 into a mixing kettle 6, injecting petroleum ether solution with the same volume into the mixing kettle 6, heating the mixing kettle 6 for a period of time, and fully mixing the petroleum ether solution and the once purified shea butter solution to form a new mixed solution;
s7, injecting the new mixed solution formed in the mixing kettle 6 into the winterization reaction kettle 4;
s8, repeating the steps S4, S5, S6 and S7, and completing multiple purifications;
s9, introducing the multi-purified mixed solution into a distillation kettle 7, heating the distillation kettle 7, and heating and evaporating petroleum ether in the mixed solution to enter a storage tank.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A shea butter continuous refining equipment, its characterized in that includes: a grease dissolving tank (1), a first mixing kettle (2), a filtering tank (3), a winterization reaction kettle (4), a centrifuge (5), a second mixing kettle (6), a distillation kettle (7) and a storage tank (8),
the oil dissolving tank (1), the first mixing kettle (2), the filtering tank (3), the winterization reaction kettle (4), the centrifuge (5), the second mixing kettle (6), the distillation kettle (7) and the storage tank (8) are sequentially communicated in series through material conveying pipelines, and valves are arranged on the material conveying pipelines respectively corresponding to the material conveying pipelines;
a material conveying pipeline between a valve at the discharge port of the filter tank (3) and a valve at the feed port of the winterization reaction kettle (4) is communicated with a material conveying pipeline between the valve at the discharge port of the winterization reaction kettle (4) and a valve at the feed port of the centrifuge (5) through a first communicating pipe (81);
and a material conveying pipeline between a valve at the discharge port of the winterization reaction kettle (4) and a valve at the feed port of the centrifuge (5) is communicated with a material conveying pipeline between a valve at the discharge port of the second mixing kettle (6) and a valve at the feed port of the distillation kettle (7) through a second communicating pipe (82).
2. The shea butter continuous refining equipment according to claim 1, wherein the grease dissolving tank (1) comprises a first fixed seat (01), a first tank body (02), a first shell (03) and a first steam control device (04),
the first tank body (02) is fixed on the first fixed seat (01), and valves are arranged on material conveying pipelines corresponding to a material inlet and a material outlet of the first tank body; the first shell (03) is fixed on the outer wall of the first tank body (02) in a sealing mode, a first interlayer is defined between the first shell and the side wall of the first tank body (02), and a first interlayer air outlet (031) is formed in the bottom end of the first shell (03); the first steam control device (04) is installed on the outer side wall of the first shell (03) and is provided with a first steam inlet (041) and a first steam outlet (042), the first steam inlet (041) is communicated with the outside, and the first steam outlet (042) is communicated with the first interlayer.
3. The shea butter continuous refining equipment according to claim 2, wherein the first mixing kettle (2), the winterization reaction kettle (4), the second mixing kettle (6) and the distillation kettle (7) are identical in structure and comprise a first mounting seat (11), a kettle body (12) and a second shell (13),
the kettle body (12) is arranged on the first mounting seat (11), a discharge port of the kettle body (12) of the first mixing kettle (2) is communicated with a discharge port of the first tank body (02) through a material conveying pipeline, and a discharge port of the kettle body (12) of the second mixing kettle (6) is communicated with a feed port of the kettle body (12) of the distillation kettle (7) through a material conveying pipeline; the second shell (13) is fixed on the outer wall of the kettle body (12) in a sealing mode and defines a second interlayer between the outer wall of the kettle body (12), and a second steam inlet (131), a condensate water inlet (132) and a second steam outlet (133) which are communicated with the outside and the second interlayer are formed in the second shell (13).
4. The shea butter continuous refining equipment according to claim 3, characterized in that, four stirrers (14) and four motors (15) are further included, and the four stirrers (14) are respectively arranged inside the four kettle bodies (12); four motors (15) are fixed respectively four the outer top of cauldron body (12) and its output shaft passes four respectively cauldron body (12) and four agitator (14) transmission is connected.
5. The shea butter continuous refining equipment according to claim 3, wherein the filtering tank (3) comprises a second fixed seat (21), a second tank body (22), a filtering net (23), a filtering cloth, a third shell (24) and a second steam control device (25),
the second tank body (22) is fixed on the second fixing seat (21), valves are arranged on material conveying pipelines corresponding to a material inlet and a material outlet of the second tank body, the material inlet of the second tank body (22) is communicated with the material outlet of the kettle body (12) of the first mixing kettle (2) through the material conveying pipeline, and the material outlet of the second tank body (22) is communicated with the material inlet of the kettle body (12) of the winterization reaction kettle (4) through the material conveying pipeline; the periphery side of the filter screen (23) is arranged on the inner wall of the second tank body (22); the filter cloth is flatly paved on the filter screen (23); the third shell (24) is fixed on the outer wall of the second tank body (22) in a sealing mode, a third interlayer is defined between the third shell and the second tank body (22), and a third interlayer air outlet (241) is formed in the bottom end of the third shell (24); the second steam control device (25) is installed on the outer wall of the third shell (24) and is provided with a third steam inlet (251) and a third steam outlet (252), the third steam inlet (251) is communicated with the outside, and the third steam outlet (252) is communicated with the third interlayer.
6. The shea butter continuous refining equipment of claim 5, wherein the centrifuge (5) comprises a second mounting seat (31), an outer centrifuge (32), an inner centrifuge (33), a rotating motor (34) and a spraying device (35),
the centrifugal outer machine (32) is mounted on the second mounting seat (31); the centrifugal inner machine (33) is arranged in the centrifugal outer machine (32), a feed inlet at the top end of the centrifugal inner machine penetrates out of the centrifugal outer machine (32) to be provided with a valve, the feed inlet of the centrifugal inner machine (33) is communicated with a discharge outlet of the kettle body (12) of the winterization reaction kettle (4) through a feed conveying pipeline, the bottom end of the centrifugal inner machine (33) is provided with a finished product outlet (331) penetrating through the bottom of the centrifugal outer machine (32), a discharge outlet at one side of the centrifugal inner machine (33) penetrates through the centrifugal outer machine (32) to be provided with a valve, and the discharge outlet of the centrifugal inner machine (33) is communicated with the feed inlet of the kettle body (12) of the second mixing kettle (6) through a feed conveying pipeline; the rotating motor (34) is arranged at the top end of the centrifugal outer machine (32), and an output shaft of the rotating motor is fixedly connected with the centrifugal inner machine (33) so as to drive the centrifugal inner machine (33) to rotate; the spraying device (35) is arranged at the top of the centrifugal outer machine (32) and a spraying outlet of the spraying device is arranged at the inner top end of the centrifugal inner machine (33).
7. The shea butter continuous refining equipment according to claim 6, wherein the number of the storage tanks (8) is two, the top end and the bottom end of the kettle body (12) of the distillation kettle (7) are respectively provided with a discharge hole, and the two storage tanks (8) are respectively communicated with the two discharge holes of the kettle body (12) of the distillation kettle (7).
8. The shea butter continuous refining equipment of claim 7, characterized in that, it also includes three temperature sensors, three pressure sensors, three liquid level sensors, three vacuum degree sensors and three display operation instruments (41),
the three temperature sensors, the three pressure sensors, the three liquid level sensors and the three vacuum degree sensors are respectively arranged in the first tank body (02), the second tank body (22) and the centrifugal internal machine (33); the three display operation instruments (41) are respectively arranged on the outer side walls of the first shell (03), the third shell (24) and the centrifugal outer machine (32) and are respectively and electrically connected with the temperature sensor, the pressure sensor, the liquid level sensor and the vacuum degree sensor which are adjacent to the display operation instruments.
9. The shea butter continuous refining equipment according to claim 7, further comprising six vacuum valves (51), wherein the second tank (22), the four kettles (12) and the top end of the centrifugal inner machine (33) are provided with air suction holes, and the six vacuum valves (51) are respectively installed at the six air suction holes.
10. A process for continuously refining shea butter, which is characterized in that the continuous refining equipment of shea butter according to any one of claims 1 to 9 is utilized, and comprises the following steps:
s1, injecting the shea butter into the grease dissolving tank (1), heating the grease dissolving tank (1) to 80 ℃, and dissolving the shea butter to form a shea butter dissolving solution;
s2, injecting the shea butter solution into a first mixing kettle (2), adding a petroleum ether solution with the volume same as that of the shea butter solution into the first mixing kettle (2), heating at constant temperature for 30min, and fully mixing the shea butter solution and the petroleum ether solution;
s3, injecting the mixed solution into a filter tank (3), removing impurities which are insoluble in petroleum ether solution, such as plant fibers, proteins and the like in the shea butter dissolved solution in the filter tank (3), and injecting the mixed solution after impurity removal into a winterization reaction kettle (4);
s4, reducing the temperature in the winterization reaction kettle (4) to 4 ℃, so that the temperature of the impurity removal solution is reduced when the impurity removal solution is cooled, the solubility of the shea butter is reduced, part of the shea butter is separated out and cooled and crystallized, and a mixed solution with crystallized shea butter is formed, wherein the crystallized shea butter can remove pigments, free fatty acids and other volatile components carried by the crystallized shea butter;
s5, injecting the solid-liquid mixture in the winterization reaction kettle (4) into a centrifuge (5), and separating solid shea butter from the mixed solution under the action of the centrifuge (5), wherein the solid shea butter can flow out from a finished product outlet at the bottom end of the centrifuge (5), so that the once purification of a shea butter solution is completed;
s6, injecting the residual mixed solution in the centrifuge (5) into a mixing kettle (6), injecting a petroleum ether solution with the same volume into the mixing kettle (6), heating the mixing kettle (6) for a period of time, and fully mixing the petroleum ether solution and the once purified shea butter solution to form a new mixed solution;
s7, injecting a new mixed solution formed in the mixing kettle (6) into the winterization reaction kettle (4);
s8, repeating the steps S4, S5, S6 and S7, and completing multiple purifications;
s9, introducing the multi-purified mixed solution into a distillation still (7), heating the distillation still (7), and heating and evaporating petroleum ether in the mixed solution to enter a storage tank (8).
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