CN111603797A - Method for recycling precipitates in fresh marigold flower squeezed water - Google Patents
Method for recycling precipitates in fresh marigold flower squeezed water Download PDFInfo
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- CN111603797A CN111603797A CN202010463249.1A CN202010463249A CN111603797A CN 111603797 A CN111603797 A CN 111603797A CN 202010463249 A CN202010463249 A CN 202010463249A CN 111603797 A CN111603797 A CN 111603797A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
Abstract
The invention discloses a method for recycling precipitates in fresh marigold flower squeezed water, which comprises the following steps: firstly, collecting flower mud precipitate; filtering: filtering the flower mud precipitate, and controlling the water content of the filtered flower mud precipitate to be 60-70%; thirdly, drying: sending the filtered flower mud precipitate into a paddle type dryer for drying treatment, wherein the moisture content of the dried flower mud precipitate is controlled to be 9-12%; cooling: rapidly cooling the dried flower mud precipitate in cold air; crushing: sending the cooled flower mud precipitate into a crusher for crushing; granulating: stamping the flower mud powder into flower mud particles; and extraction of lutein: extracting xanthophyll from the flower mud particles by the existing extraction, saponification and extraction processes. The invention not only can effectively improve the utilization rate of the leftovers and realize the maximization of the utilization value of the leftovers, but also has simple manufacturing process and easy operation, and can effectively improve the yield of the lutein.
Description
Technical Field
The invention belongs to the technical field of deep processing of marigold, and particularly relates to a method for recycling precipitates in squeezed water of fresh marigold flowers.
Background
The lutein is a nutrient substance capable of delaying vision deterioration and blindness caused by macular degeneration of the old people, and cardiovascular sclerosis, coronary heart disease and tumor diseases caused by aging of the body. The fresh marigold flowers are production raw materials for extracting natural lutein, and with the increasing demand for natural lutein at home and abroad, the scale of planting, production and processing of marigold is gradually enlarged. However, in the process of extracting lutein by fermenting fresh marigold flowers, a large amount of waste liquid is discharged. At present, in the enterprises for producing and processing lutein, the enterprises pay attention to how to treat the waste liquid, but often neglect precipitates in the waste liquid, and the precipitates are determined to contain a large amount of fine petals which still contain more lutein, so that if the precipitates are directly discarded, a large amount of resources are wasted. Therefore, it is objectively needed to develop a recycling method of sediments in the pressed water of fresh marigold flowers, which has the advantages of simple process, easy operation and capability of realizing the maximum utilization of leftovers.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide the recycling method of the sediment in the pressed water of the marigold flowers, which has the advantages of simple process, easy operation and capability of realizing the maximum utilization of leftovers.
The invention relates to a method for recycling precipitates in fresh marigold flower squeezed water, which comprises the following steps:
firstly, collecting a flower mud precipitate, namely leftovers such as water, impurities, small petals and the like can be generated during extrusion of fresh marigold flowers after fermentation, and the leftovers are precipitated to obtain the flower mud precipitate;
filtering: sending the flower mud precipitate collected in the step I into a filter, filtering to remove water in the flower mud precipitate, and controlling the water content of the flower mud precipitate after filtering to be 60-70%;
thirdly, drying: conveying the flower mud precipitate filtered in the second step into a paddle type dryer for drying, wherein the temperature of a hot air inlet of the paddle type dryer is controlled to be 180-200 ℃, the temperature of a tail gas outlet of the paddle type dryer is controlled to be 75-90 ℃, and the moisture content of the dried flower mud precipitate is controlled to be 9-12%;
cooling: rapidly cooling the flower mud precipitate dried in the step III under dry cold air, wherein the temperature of the cold air is 5-10 ℃, and the flower mud precipitate is cooled to normal temperature;
crushing: sending the flower mud precipitate cooled in the step (iv) into a crusher to be crushed to obtain flower mud powder, and passing the flower mud powder with the crushing particle size of 99% through an analysis sieve of 2-3 mm after crushing;
granulating: feeding the flower mud powder prepared in the fifth step into a granulator and punching the flower mud powder into cylindrical flower mud particles;
and extraction of lutein: extracting the lutein from the flower mud particles obtained in the step (sixthly) according to the existing extraction, saponification and extraction processes.
Further, in the second step, a spiral extrusion filter is adopted as the filter, and when the flower mud precipitate is filtered, the pressure of the spiral extrusion filter is controlled to be 5-10 MPa, and the time is controlled to be 5-20 min.
Further, in the third step, the paddle type dryer comprises a damping base, a drying box and a hot air blower, the drying box is mounted on the damping base through a plurality of support columns, the hot air blower is mounted on the top of the drying box, the top of the drying box is respectively provided with a feed hopper and an exhaust pipe, the bottom of the drying box is provided with a discharge port, a receiving groove is arranged below the discharge port, the receiving groove is mounted on the damping base, the bottom in the receiving groove is provided with an air cylinder, a piston rod of the air cylinder is provided with a discharge conical head, the discharge conical head is slidably mounted in the discharge port, a rotating shaft is horizontally and rotatably mounted in the drying box, one end of the rotating shaft is in transmission connection with a driving mechanism outside the drying box, a plurality of paddles are arranged on the rotating shaft in the drying box in a staggered manner, one end in the drying box is provided with a first air injection chamber, the other end is provided with a second air injection chamber, the first hot air pipe is communicated with the first air injection chamber, the second hot air pipe is communicated with the second air injection chamber, the first hot air pipe is provided with a first control valve, the second hot air pipe is provided with a second control valve, two opposite side walls of the first air injection chamber and the second air injection chamber are respectively provided with a plurality of air injection holes, and each air injection hole is provided with a filter screen; preferably, vibration damping mount includes the buffering pedestal body, PMKD and movable support board, the buffering pedestal body is inside hollow structure, PMKD fixed mounting is in the internal bottom of buffering pedestal, the movable support board is located PMKD's top, install many damping spring between movable support board and the PMKD, the lower extreme and the movable support board fixed connection of support column, the upper end of support column is worn out buffering pedestal back and bottom of the drying cabinet fixed connection, install the circulating pipe between the air inlet of blast pipe and air heater, install moisture separator, dust remover and axial fan on the circulating pipe in proper order.
Further, in the step (sixthly), the length of the floral foam particles is 3-5 mm, and the diameter of the floral foam particles is 1-2 mm.
According to the invention, the marigold flower mud particles can be produced after the sediment in the marigold flower squeezing water is subjected to precipitation, filtration, drying, crushing and granulation, the marigold flower mud particles can be directly used for extracting lutein, the recovery process can not only effectively improve the utilization rate of the leftovers and realize the maximization of the utilization value of the leftovers, but also has the advantages of simple manufacturing process and easiness in operation, the yield of the lutein can be effectively improved by strictly controlling the technical parameters of each process step, the product additional value of the leftovers is further improved, good economic benefits can be generated on the premise of avoiding resource waste, industrial production can be realized, and the popularization and the use are easy.
Drawings
FIG. 1 is a schematic view of a paddle dryer according to the present invention;
in the figure, 1-a fixed bottom plate, 2-a damping spring, 3-a movable supporting plate, 4-a supporting column, 5-a driving mechanism, 6-a rotating shaft, 7-a first air injection chamber, 8-a first hot air pipe, 9-a drying box, 10-a feed hopper, 11-a blade, 12-an exhaust pipe, 13-a circulating pipe, 14-a water vapor absorber, 15-a dust remover, 16-an axial flow fan, 17-a hot air fan, 18-a first control valve, 19-a second hot air pipe, 20-a second control valve, 21-a second air injection chamber, 22-a filter screen, 23-a material receiving groove, 24-an air cylinder and 25-a discharge cone head.
Detailed Description
The invention is further illustrated by the following description of embodiments and the accompanying drawings, without in any way limiting the invention, and any alterations or substitutions made on the basis of the teachings of the invention shall fall within the scope of protection of the invention.
Example 1:
the recycling method of the sediment in the pressed water of fresh marigold flowers in the embodiment 1 comprises the following steps:
firstly, collecting a flower mud precipitate, namely leftovers such as water, impurities, small petals and the like can be generated during extrusion of fresh marigold flowers after fermentation, and the leftovers are precipitated to obtain the flower mud precipitate;
filtering: sending the flower mud precipitate obtained by the step I into a filter, filtering to remove water in the flower mud precipitate, controlling the water content of the filtered flower mud precipitate to be 60%, wherein the filter adopts a spiral extrusion filter, the pressure of the spiral extrusion filter is controlled to be 5MPa when the flower mud precipitate is filtered, the time is controlled to be 15min, the spiral extrusion filter is the prior art, the spiral extrusion filter comprises a spiral extrusion rod and a sealing cover, the spiral extrusion rod comprises a rotating shaft and spiral fan blades, the spiral fan blades are provided with sealing strips jacked by elastic elements, the sealing strips jacked by the elastic elements are contacted with the sealing cover, so that the spiral fan blades and the sealing cover are sealed to form a sealing bin, the flower mud precipitate is screwed into the sealing bin, the diameter of the rotating shaft is gradually increased along with the arrangement of the conical degree, and the sealing bin between the spiral fan blades and the sealing cover is gradually reduced, the flower mud sediment is pressurized, water in the flower mud sediment is discharged along with the small holes formed in the sealing cover during extrusion, the left flower mud sediment is discharged from the other end of the rotating shaft, and therefore the filtering work of the flower mud sediment is completed;
thirdly, drying: conveying the flower mud precipitate filtered in the step II into a paddle dryer for drying, wherein during drying, the temperature of a hot air inlet of the paddle dryer is controlled to be 180 ℃, the temperature of a tail gas outlet is controlled to be 75 ℃, the moisture content of the dried flower mud precipitate is controlled to be 9%, as shown in figure 1, the paddle dryer comprises a damping base, a drying box 9 and a hot air blower 17, the drying box 9 is installed on the damping base through a plurality of support columns 4, the hot air blower 17 is installed at the top of the drying box 9, the top of the drying box 9 is respectively provided with a feed hopper 10 and an exhaust pipe 12, the bottom of the drying box 9 is provided with a discharge port, a material receiving groove 23 is arranged below the discharge port, the material receiving groove 23 is installed on the damping base, an air cylinder 24 is installed at the bottom in the material receiving groove 23, a discharge conical head 25 is installed on a piston rod of the air cylinder 24, the discharging conical head 25 is slidably mounted in the discharging port, the rotating shaft 6 is horizontally rotatably mounted in the drying box 9, one end of the rotating shaft 6 is in transmission connection with the driving mechanism 5 outside the drying box 9, the rotating shaft 6 inside the drying box 9 is provided with a plurality of blades 11 in a staggered manner, the driving mechanism 5 comprises a driving motor, the output end of the driving motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt, the rotating shaft 6 is inserted on the driven wheel, the blades 11 are driven to rotate through the rotation of the rotating shaft 6, and then the flower mud precipitate is driven to move in the drying box 9, so that the adhesion between the flower mud precipitate and between the flower mud precipitate and the inner wall of the drying box 9 is reduced, the contact area between the flower mud precipitate and hot air is increased, the drying efficiency is improved, the first air injection chamber 7 is arranged at one end in the drying box 9, and the second air injection, a first hot air pipe 8 and a second hot air pipe 19 are arranged at an air outlet of the hot air blower 17, the first hot air pipe 8 is communicated with the first air spraying chamber 7, the second hot air pipe 19 is communicated with the second air spraying chamber 21, a first control valve 18 is arranged on the first hot air pipe 8, a second control valve 20 is arranged on the second hot air pipe 19, a plurality of air spraying holes are formed in two opposite side walls of the first air spraying chamber 7 and the second air spraying chamber 21, a filter screen 22 is arranged on each air spraying hole, hot air generated by the hot air blower 17 is sprayed into the drying box through the air spraying holes of the first air spraying chamber 7 and the second air spraying chamber 21, the temperature of the hot air entering the drying box from the first air spraying chamber 7 and the second air spraying chamber 21 is required to be 180 ℃, the hot air blown oppositely from left to right can enable the floral mud precipitate to perform overturning motion in the drying box 9, so that the contact area of the floral mud precipitate and the hot air is increased, furthermore, the drying efficiency is improved, the outlet temperature of the tail gas discharged from the exhaust pipe 12 is controlled at 75 ℃ during drying, in addition, the air flow speed sprayed out of the first air spraying chamber 7 is different from the air flow speed sprayed out of the second air spraying chamber 21 by adjusting the first control valve 18 and the second control valve 20, so that the flower mud precipitate is in a suspension state, the contact area of the chrysanthemum and hot air is further improved, and the drying efficiency of the chrysanthemum is improved;
furthermore, the damping base comprises a damping base body, a fixed base plate 1 and a movable support plate 3, the damping base body is of a hollow structure, the fixed base plate 1 is fixedly arranged at the bottom in the damping base body, the movable support plate 3 is positioned above the fixed base plate 1, a plurality of damping springs 2 are arranged between the movable support plate 3 and the fixed base plate 1, the lower end of the support column 4 is fixedly connected with the movable support plate 3, the upper end of the support column 4 penetrates through the damping base body and then is fixedly connected with the bottom of the drying box 9, and through the arrangement of the damping springs 2 and the movable support plate 3, the vibration generated in the working process of the drying box 9 can be effectively reduced, the stability of the drying box 9 is improved, and the service life of the drying box 9 is prolonged;
furthermore, in order to reduce energy consumption, a circulating pipe 13 is arranged between the exhaust pipe 12 and an air inlet of the hot air blower 17, a water-steam separator 14, a dust remover 15 and an axial flow fan 16 are sequentially arranged on the circulating pipe 13, tail gas discharged from the exhaust pipe 12 also has a certain temperature, and if the tail gas is directly discharged, heat energy is wasted, so that the tail gas is firstly sent into the water-steam separator 14 to be dehumidified under the action of the axial flow fan 16, then sent into the dust remover 15 to be dedusted, and finally sent into the hot air blower 17 to be heated and then participate in the drying process again, thereby saving resources;
cooling: rapidly cooling the flower mud precipitate dried in the step III under dry cold air, wherein the temperature of the cold air is 5 ℃, and cooling the flower mud precipitate to normal temperature;
crushing: sending the flower mud precipitate cooled in the step (iv) into a crusher to crush to obtain flower mud powder, wherein the crusher adopts a roller tooth type crusher used in the prior art, and flower mud powder with the crushing particle size of 99% is required to pass through an analysis sieve of 2mm after crushing;
granulating: feeding the flower mud powder prepared in the fifth step into a granulator and punching the flower mud powder into cylindrical flower mud particles, wherein the length of the flower mud particles is 3mm, and the diameter of the flower mud particles is 1 mm;
and extraction of lutein: extracting the lutein from the flower mud particles obtained in the step (sixthly) according to the existing extraction, saponification and extraction processes.
The embodiment 1 can not only effectively improve the utilization rate of leftovers and realize the maximization of the utilization value of the leftovers, but also has simple manufacturing process and easy operation, can effectively improve the yield of lutein by strictly controlling the technical parameters of each process step, and can extract 24.74g of lutein from 1kg of flower mud precipitate.
Example 2:
the recycling method of the sediment in the pressed water of fresh marigold flowers in the embodiment 2 comprises the following steps:
firstly, collecting a flower mud precipitate, namely leftovers such as water, impurities, small petals and the like can be generated during extrusion of fresh marigold flowers after fermentation, and the leftovers are precipitated to obtain the flower mud precipitate;
filtering: sending the flower mud precipitate obtained by the step I into a filter, filtering to remove water in the flower mud precipitate, controlling the water content of the filtered flower mud precipitate to be 65%, wherein the filter adopts a spiral extrusion filter, the pressure of the spiral extrusion filter is controlled to be 8MPa when the flower mud precipitate is filtered, the time is controlled to be 10min, the spiral extrusion filter is the prior art, the spiral extrusion filter comprises a spiral extrusion rod and a sealing cover, the spiral extrusion rod comprises a rotating shaft and spiral fan blades, the spiral fan blades are provided with sealing strips jacked by elastic elements, the sealing strips jacked by the elastic elements are contacted with the sealing cover, so that the spiral fan blades and the sealing cover are sealed to form a sealing bin, the flower mud precipitate is screwed into the sealing bin, the diameter of the rotating shaft is gradually increased along with the arrangement of the conical degree, and the sealing bin between the spiral fan blades and the sealing cover is gradually reduced, the flower mud sediment is pressurized, water in the flower mud sediment is discharged along with the small holes formed in the sealing cover during extrusion, the left flower mud sediment is discharged from the other end of the rotating shaft, and therefore the filtering work of the flower mud sediment is completed;
thirdly, drying: conveying the flower mud precipitate filtered in the step II into a paddle dryer for drying, wherein during drying, the temperature of a hot air inlet of the paddle dryer is controlled to be 190 ℃, the temperature of a tail gas outlet of the paddle dryer is controlled to be 82 ℃, the moisture content of the dried flower mud precipitate is controlled to be 11%, as shown in figure 1, the paddle dryer comprises a damping base, a drying box 9 and a hot air blower 17, the drying box 9 is installed on the damping base through a plurality of support columns 4, the hot air blower 17 is installed at the top of the drying box 9, the top of the drying box 9 is respectively provided with a feed hopper 10 and an exhaust pipe 12, the bottom of the drying box 9 is provided with a discharge port, a material receiving groove 23 is arranged below the discharge port, the material receiving groove 23 is installed on the damping base, the bottom in the material receiving groove 23 is provided with an air cylinder 24, a piston rod of the air cylinder 24 is provided with a discharge conical head 25, the discharging conical head 25 is slidably mounted in the discharging port, the rotating shaft 6 is horizontally rotatably mounted in the drying box 9, one end of the rotating shaft 6 is in transmission connection with the driving mechanism 5 outside the drying box 9, the rotating shaft 6 inside the drying box 9 is provided with a plurality of blades 11 in a staggered manner, the driving mechanism 5 comprises a driving motor, the output end of the driving motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt, the rotating shaft 6 is inserted on the driven wheel, the blades 11 are driven to rotate through the rotation of the rotating shaft 6, and then the flower mud precipitate is driven to move in the drying box 9, so that the adhesion between the flower mud precipitate and between the flower mud precipitate and the inner wall of the drying box 9 is reduced, the contact area between the flower mud precipitate and hot air is increased, the drying efficiency is improved, the first air injection chamber 7 is arranged at one end in the drying box 9, and the second air injection, the air outlet of the hot air blower 17 is provided with a first hot air pipe 8 and a second hot air pipe 19, the first hot air pipe 8 is communicated with the first air spraying chamber 7, the second hot air pipe 19 is communicated with the second air spraying chamber 21, the first hot air pipe 8 is provided with a first control valve 18, the second hot air pipe 19 is provided with a second control valve 20, two opposite side walls of the first air spraying chamber 7 and the second air spraying chamber 21 are provided with a plurality of air spraying holes, each air spraying hole is provided with a filter screen 22, hot air generated by the hot air blower 17 is sprayed into the drying box through the air spraying holes of the first air spraying chamber 7 and the second air spraying chamber 21, the hot air entering the drying box from the first air spraying chamber 7 and the second air spraying chamber 21 requires the temperature of the hot air entering the drying box to be 190 ℃, the hot air blown oppositely from left to right can enable the floral mud precipitate to perform overturning motion in the drying box 9, so that the contact area of the floral mud precipitate and the hot air is increased, furthermore, the drying efficiency is improved, the outlet temperature of the tail gas discharged from the exhaust pipe 12 is controlled at 82 ℃ during drying, in addition, the air flow speed sprayed by the first air spraying chamber 7 is different from the air flow speed sprayed by the second air spraying chamber 21 by adjusting the first control valve 18 and the second control valve 20, so that the flower mud precipitate is in a suspension state, the contact area of the chrysanthemum and hot air is further improved, and the drying efficiency of the chrysanthemum is improved;
furthermore, the damping base comprises a damping base body, a fixed base plate 1 and a movable support plate 3, the damping base body is of a hollow structure, the fixed base plate 1 is fixedly arranged at the bottom in the damping base body, the movable support plate 3 is positioned above the fixed base plate 1, a plurality of damping springs 2 are arranged between the movable support plate 3 and the fixed base plate 1, the lower end of the support column 4 is fixedly connected with the movable support plate 3, the upper end of the support column 4 penetrates through the damping base body and then is fixedly connected with the bottom of the drying box 9, and through the arrangement of the damping springs 2 and the movable support plate 3, the vibration generated in the working process of the drying box 9 can be effectively reduced, the stability of the drying box 9 is improved, and the service life of the drying box 9 is prolonged;
furthermore, in order to reduce energy consumption, a circulating pipe 13 is arranged between the exhaust pipe 12 and an air inlet of the hot air blower 17, a water-steam separator 14, a dust remover 15 and an axial flow fan 16 are sequentially arranged on the circulating pipe 13, tail gas discharged from the exhaust pipe 12 also has a certain temperature, and if the tail gas is directly discharged, heat energy is wasted, so that the tail gas is firstly sent into the water-steam separator 14 to be dehumidified under the action of the axial flow fan 16, then sent into the dust remover 15 to be dedusted, and finally sent into the hot air blower 17 to be heated and then participate in the drying process again, thereby saving resources;
cooling: rapidly cooling the flower mud precipitate dried in the step III under dry cold air, wherein the temperature of the cold air is 8 ℃, and cooling the flower mud precipitate to normal temperature;
crushing: sending the flower mud precipitate cooled in the step (iv) into a crusher to crush to obtain flower mud powder, wherein the crusher adopts a roller tooth type crusher used in the prior art, and flower mud powder with the crushing particle size of 99% is required to pass through an analysis sieve of 2.5mm after crushing;
granulating: feeding the flower mud powder prepared in the fifth step into a granulator to be punched into cylindrical flower mud particles, wherein the length of the flower mud particles is 4mm, and the diameter of the flower mud particles is 1.5 mm;
and extraction of lutein: extracting the lutein from the flower mud particles obtained in the step (sixthly) according to the existing extraction, saponification and extraction processes.
The embodiment 2 can not only effectively improve the utilization rate of leftovers and realize the maximization of the utilization value of the leftovers, but also has simple manufacturing process and easy operation, can effectively improve the yield of lutein by strictly controlling the technical parameters of each process step, and can extract 24.86g of lutein from 1kg of flower mud precipitate.
Example 3
The recycling method of the sediment in the pressed water of fresh marigold flowers in the embodiment 3 comprises the following steps:
firstly, collecting a flower mud precipitate, namely leftovers such as water, impurities, small petals and the like can be generated during extrusion of fresh marigold flowers after fermentation, and the leftovers are precipitated to obtain the flower mud precipitate;
filtering: feeding the flower mud precipitate obtained in the step I into a filter, filtering to remove water in the flower mud precipitate, controlling the water content of the flower mud precipitate after filtering to be 70%, wherein the filter adopts a spiral extrusion filter, the pressure of the spiral extrusion filter is controlled to be 10MPa and the time is controlled to be 5min during filtering of the flower mud precipitate, the spiral extrusion filter is the prior art and comprises a spiral extrusion rod and a sealing cover, the spiral extrusion rod comprises a rotating shaft and spiral fan blades, the spiral fan blades are provided with sealing strips jacked by elastic elements, the sealing strips jacked by the elastic elements are contacted with the sealing cover, so that the spiral fan blades and the sealing cover are sealed to form a sealing bin, the flower mud precipitate is screwed into the sealing bin, the diameter of the rotating shaft is gradually increased along with the arrangement of the conical rotating shaft, and the sealing bin between the spiral fan blades and the sealing cover is gradually reduced, the flower mud sediment is pressurized, water in the flower mud sediment is discharged along with the small holes formed in the sealing cover during extrusion, the left flower mud sediment is discharged from the other end of the rotating shaft, and therefore the filtering work of the flower mud sediment is completed;
thirdly, drying: conveying the flower mud precipitate filtered in the step II into a paddle dryer for drying, wherein during drying, the temperature of a hot air inlet of the paddle dryer is controlled to be 200 ℃, the temperature of a tail gas outlet is controlled to be 90 ℃, and the moisture content of the dried flower mud precipitate is controlled to be 12%, as shown in figure 1, the paddle dryer comprises a damping base, a drying box 9 and a hot air blower 17, the drying box 9 is installed on the damping base through a plurality of support columns 4, the hot air blower 17 is installed at the top of the drying box 9, the top of the drying box 9 is respectively provided with a feed hopper 10 and an exhaust pipe 12, the bottom of the drying box 9 is provided with a discharge port, a material receiving groove 23 is arranged below the discharge port, the material receiving groove 23 is installed on the damping base, the bottom in the material receiving groove 23 is provided with an air cylinder 24, a piston rod of the air cylinder 24 is provided with a discharge conical head 25, the discharging conical head 25 is slidably mounted in the discharging port, the rotating shaft 6 is horizontally rotatably mounted in the drying box 9, one end of the rotating shaft 6 is in transmission connection with the driving mechanism 5 outside the drying box 9, the rotating shaft 6 inside the drying box 9 is provided with a plurality of blades 11 in a staggered manner, the driving mechanism 5 comprises a driving motor, the output end of the driving motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt, the rotating shaft 6 is inserted on the driven wheel, the blades 11 are driven to rotate through the rotation of the rotating shaft 6, and then the flower mud precipitate is driven to move in the drying box 9, so that the adhesion between the flower mud precipitate and between the flower mud precipitate and the inner wall of the drying box 9 is reduced, the contact area between the flower mud precipitate and hot air is increased, the drying efficiency is improved, the first air injection chamber 7 is arranged at one end in the drying box 9, and the second air injection, the air outlet of the hot air blower 17 is provided with a first hot air pipe 8 and a second hot air pipe 19, the first hot air pipe 8 is communicated with the first air spraying chamber 7, the second hot air pipe 19 is communicated with the second air spraying chamber 21, the first hot air pipe 8 is provided with a first control valve 18, the second hot air pipe 19 is provided with a second control valve 20, two opposite side walls of the first air spraying chamber 7 and the second air spraying chamber 21 are provided with a plurality of air spraying holes, each air spraying hole is provided with a filter screen 22, hot air generated by the hot air blower 17 is sprayed into the drying box through the air spraying holes of the first air spraying chamber 7 and the second air spraying chamber 21, the temperature of the hot air entering the drying box from the first air spraying chamber 7 and the second air spraying chamber 21 is required to be 200 ℃, the hot air blown oppositely from left to right can enable the floral mud precipitate to perform overturning motion in the drying box 9, so that the contact area of the floral mud precipitate and the hot air is increased, furthermore, the drying efficiency is improved, the temperature of the tail gas outlet discharged from the exhaust pipe 12 is controlled to be 90 ℃ during drying, in addition, the air flow speed sprayed out of the first air spraying chamber 7 is different from the air flow speed sprayed out of the second air spraying chamber 21 by adjusting the first control valve 18 and the second control valve 20, so that the flower mud precipitate is in a suspension state, the contact area of the chrysanthemum and hot air is further improved, and the drying efficiency of the chrysanthemum is improved;
furthermore, the damping base comprises a damping base body, a fixed base plate 1 and a movable support plate 3, the damping base body is of a hollow structure, the fixed base plate 1 is fixedly arranged at the bottom in the damping base body, the movable support plate 3 is positioned above the fixed base plate 1, a plurality of damping springs 2 are arranged between the movable support plate 3 and the fixed base plate 1, the lower end of the support column 4 is fixedly connected with the movable support plate 3, the upper end of the support column 4 penetrates through the damping base body and then is fixedly connected with the bottom of the drying box 9, and through the arrangement of the damping springs 2 and the movable support plate 3, the vibration generated in the working process of the drying box 9 can be effectively reduced, the stability of the drying box 9 is improved, and the service life of the drying box 9 is prolonged;
furthermore, in order to reduce energy consumption, a circulating pipe 13 is arranged between the exhaust pipe 12 and an air inlet of the hot air blower 17, a water-steam separator 14, a dust remover 15 and an axial flow fan 16 are sequentially arranged on the circulating pipe 13, tail gas discharged from the exhaust pipe 12 also has a certain temperature, and if the tail gas is directly discharged, heat energy is wasted, so that the tail gas is firstly sent into the water-steam separator 14 to be dehumidified under the action of the axial flow fan 16, then sent into the dust remover 15 to be dedusted, and finally sent into the hot air blower 17 to be heated and then participate in the drying process again, thereby saving resources;
cooling: rapidly cooling the flower mud precipitate dried in the step III under dry cold air, wherein the temperature of the cold air is 10 ℃, and cooling the flower mud precipitate to normal temperature;
crushing: sending the flower mud precipitate cooled in the step (iv) into a crusher for crushing treatment to obtain flower mud powder, wherein the crusher adopts a roller tooth type crusher used in the prior art, and the flower mud powder with the crushing particle size of 99% is required to pass through an analysis sieve of 2-3 mm after crushing;
granulating: feeding the flower mud powder prepared in the fifth step into a granulator to be punched into cylindrical flower mud particles, wherein the length of the flower mud particles is 5mm, and the diameter of the flower mud particles is 2 mm;
and extraction of lutein: extracting the lutein from the flower mud particles obtained in the step (sixthly) according to the existing extraction, saponification and extraction processes.
The embodiment 3 can not only effectively improve the utilization rate of the leftovers and realize the maximization of the utilization value of the leftovers, but also has simple manufacturing process and easy operation, can effectively improve the yield of the lutein by strictly controlling the technical parameters of each process step, and can extract 24.11g of the lutein from 1kg of flower mud precipitate.
Claims (6)
1. A method for recycling precipitates in fresh marigold flower squeezed water is characterized by comprising the following steps:
firstly, collecting a flower mud precipitate, namely leftovers such as water, impurities, small petals and the like can be generated during extrusion of fresh marigold flowers after fermentation, and the leftovers are precipitated to obtain the flower mud precipitate;
filtering: sending the flower mud precipitate collected in the step I into a filter, filtering to remove water in the flower mud precipitate, and controlling the water content of the flower mud precipitate after filtering to be 60-70%;
thirdly, drying: conveying the flower mud precipitate filtered in the second step into a paddle type dryer for drying, wherein the temperature of a hot air inlet of the paddle type dryer is controlled to be 180-200 ℃, the temperature of a tail gas outlet of the paddle type dryer is controlled to be 75-90 ℃, and the moisture content of the dried flower mud precipitate is controlled to be 9-12%;
cooling: rapidly cooling the flower mud precipitate dried in the step III under dry cold air, wherein the temperature of the cold air is 5-10 ℃, and the flower mud precipitate is cooled to normal temperature;
crushing: sending the flower mud precipitate cooled in the step (iv) into a crusher to be crushed to obtain flower mud powder, and passing the flower mud powder with the crushing particle size of 99% through an analysis sieve of 2-3 mm after crushing;
granulating: feeding the flower mud powder prepared in the fifth step into a granulator and punching the flower mud powder into cylindrical flower mud particles;
and extraction of lutein: extracting the lutein from the flower mud particles obtained in the step (sixthly) according to the existing extraction, saponification and extraction processes.
2. The method for recycling the precipitate in the pressed water of fresh marigold flowers according to claim 1, wherein the method comprises the following steps: in the second step, a spiral extrusion filter is adopted as the filter, and when the flower mud precipitate is filtered, the pressure of the spiral extrusion filter is controlled to be 5-10 MPa, and the time is controlled to be 5-20 min.
3. The method for recycling the precipitate in the pressed water of fresh marigold flowers according to claim 1, wherein the method comprises the following steps: in the third step, the paddle dryer comprises a damping base, a drying box (9) and an air heater (17), the drying box (9) is installed on the damping base through a plurality of supporting columns (4), the air heater (17) is installed at the top of the drying box (9), the top of the drying box (9) is respectively provided with a feed hopper (10) and an exhaust pipe (12), the bottom of the drying box (9) is provided with a discharge port, a receiving groove (23) is arranged below the discharge port, the receiving groove (23) is installed on the damping base, the bottom in the receiving groove (23) is provided with an air cylinder (24), a piston rod of the air cylinder (24) is provided with a discharge cone head (25), the discharge cone head (25) is slidably installed in the discharge port, a rotating shaft (6) is horizontally and rotatably installed in the drying box (9), one end of the rotating shaft (6) is in transmission connection with a driving mechanism (5) outside the drying box (9), the drying box is characterized in that a plurality of blades (11) are arranged on a rotating shaft (6) inside the drying box (9) in a staggered mode, a first air injection chamber (7) is arranged at one end of the drying box (9), a second air injection chamber (21) is arranged at the other end of the drying box, a first hot air pipe (8) and a second hot air pipe (19) are arranged at an air outlet of the hot air blower (17), the first hot air pipe (8) is communicated with the first air injection chamber (7), the second hot air pipe (19) is communicated with the second air injection chamber (21), a first control valve (18) is installed on the first hot air pipe (8), a second control valve (20) is installed on the second hot air pipe (19), a plurality of air injection holes are formed in two opposite side walls of the first air injection chamber (7) and the second air injection chamber (21), and a filter screen (22) is installed on each air injection hole.
4. The method for recycling the precipitate in the pressed water of fresh marigold flowers according to claim 3, wherein the method comprises the following steps: vibration damping mount is including buffering pedestal, PMKD (1) and movable support board (3), the buffering pedestal is inside hollow structure, PMKD (1) fixed mounting is in the internal bottom of buffering pedestal, movable support board (3) are located the top of PMKD (1), install many damping spring (2) between movable support board (3) and PMKD (1), the lower extreme and the movable support board (3) fixed connection of support column (4), the upper end of support column (4) is worn out after the buffering pedestal and is fixed connection bottom drying cabinet (9).
5. The method for recycling the precipitate in the pressed water of fresh marigold flowers according to claim 3, wherein the method comprises the following steps: a circulating pipe (13) is installed between the exhaust pipe (12) and an air inlet of the air heater (17), and a water-vapor separator (14), a dust remover (15) and an axial flow fan (16) are sequentially installed on the circulating pipe (13).
6. The method for recycling the precipitate in the pressed water of fresh marigold flowers according to claim 1, wherein the method comprises the following steps: in the step (sixthly), the length of the floral foam particles is 3-5 mm, and the diameter of the floral foam particles is 1-2 mm.
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| CN202010463249.1A CN111603797A (en) | 2020-05-27 | 2020-05-27 | Method for recycling precipitates in fresh marigold flower squeezed water |
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| CN202010463249.1A CN111603797A (en) | 2020-05-27 | 2020-05-27 | Method for recycling precipitates in fresh marigold flower squeezed water |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030044499A1 (en) * | 2001-09-04 | 2003-03-06 | Morris Zelkha | Carotenoid extraction process |
| JP2017178847A (en) * | 2016-03-30 | 2017-10-05 | 株式会社ファンケル | Powdery composition with a high content of lutein and production method |
| CN107629481A (en) * | 2017-09-06 | 2018-01-26 | 晨光生物科技集团莎车有限公司 | The production method of the marigold particles of lutein content can be improved |
| CN208269573U (en) * | 2018-05-28 | 2018-12-21 | 金寨县秉诚农业科技有限公司 | A kind of drying equipment of chrysanthemum |
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2020
- 2020-05-27 CN CN202010463249.1A patent/CN111603797A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030044499A1 (en) * | 2001-09-04 | 2003-03-06 | Morris Zelkha | Carotenoid extraction process |
| JP2017178847A (en) * | 2016-03-30 | 2017-10-05 | 株式会社ファンケル | Powdery composition with a high content of lutein and production method |
| CN107629481A (en) * | 2017-09-06 | 2018-01-26 | 晨光生物科技集团莎车有限公司 | The production method of the marigold particles of lutein content can be improved |
| CN208269573U (en) * | 2018-05-28 | 2018-12-21 | 金寨县秉诚农业科技有限公司 | A kind of drying equipment of chrysanthemum |
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Application publication date: 20200901 |