阅读说明：本技术 一种栀子油提取工艺 (Gardenia oil extraction process ) 是由 倪勤学 洪胜 胥亮 孙宇亮 于 2019-09-16 设计创作，主要内容包括：本发明公开的一种栀子油提取工艺,包括栀子清理、栀子产油、毛油处理和精油处理等多个环节,栀子清理包括去石、一次筛选、果壳烘干、果实剥壳、二次筛选、水洗浸泡、栀子籽烘干等步骤,栀子产油包括栀子籽粉碎、冷榨出油、压滤出油、油液沉降、初级过滤、油水分离等步骤,毛油处理包括离心过滤、精滤、脱酸、脱色和脱臭等步骤,至此,得到栀子油,所得栀子油内杂质含量极低、含水量极低,油品质量优秀,且清香怡人,吸收率高,同时,栀子油可通过萃取、脱溶、汽提等步骤进行浓缩,制得栀子精油,提高产品附加值,提高企业利润。(The invention discloses a gardenia oil extraction process, which comprises a plurality of links such as gardenia cleaning, gardenia oil production, crude oil treatment, essential oil treatment and the like, wherein the gardenia cleaning comprises the steps of stone removal, primary screening, shell drying, fruit shelling, secondary screening, water washing and soaking, gardenia seed drying and the like, the gardenia oil production comprises the steps of gardenia seed crushing, cold pressing to obtain oil, press filtering to obtain oil, oil settling, primary filtering, oil-water separation and the like, the crude oil treatment comprises the steps of centrifugal filtering, fine filtering, deacidification, decoloration, deodorization and the like, so that gardenia oil is obtained, the content of impurities in the gardenia oil is extremely low, the water content is extremely low, the oil quality is excellent, the fragrance is pleasant, the absorption rate is high, meanwhile, the gardenia oil can be concentrated through the steps of extraction, desolventization, steam stripping and the like, the gardenia essential oil.)

1. The gardenia oil extraction process is characterized by comprising the following specific steps of:

(1) cleaning gardenia: pretreating the gardenia fruit raw material;

(1-1) continuously feeding the gardenia fruit raw material into a specific gravity stoner through lifting equipment to remove impurities such as stones, soil and the like in the gardenia fruit raw material;

(1-2) after the stone removing operation is finished, feeding the gardenia fruit raw material into a first screening machine for screening, and separating impurities such as fruit straws, broken leaves and the like in the gardenia fruit raw material from the gardenia fruit raw material to obtain an impurity-free gardenia fruit raw material;

(1-3) continuously putting the raw materials of the gardenia fruits into a first oven for hot air drying to remove water in shells of the gardenia fruits, wherein the drying temperature is controlled to be 70-90 ℃, and the drying time is controlled to be 20-30 minutes;

(1-4) after most of water in the shells is removed, conveying the gardenia fruits into a husking machine for husking to obtain gardenia seeds mixed with shell residues;

(1-5) conveying the gardenia seeds mixed with the fruit shell residues into a second screening machine, screening and filtering, and removing the fruit shell residues to obtain the gardenia seeds;

(1-6) sending the gardenia seeds into a water washing pool, washing and soaking, washing off the fruit shell residue powder on the surfaces of the gardenia seeds, and soaking for 0.5-1 hour;

(1-7) after the gardenia seeds are soaked, sending the gardenia seeds into a second drying oven, drying the gardenia seeds by hot air, controlling the drying temperature to be 50-60 ℃ for 10-15 minutes, and adjusting the moisture content in the gardenia seeds;

(2) producing oil from gardenia: squeezing the gardenia seeds, and pretreating to obtain gardenia oil;

(2-1) feeding the gardenia seeds dried in the step (1-7) into a grinder, and grinding until the gardenia seeds are ground into gardenia seed powder with the particle size of 20-50 mu m;

(2-2) sending the gardenia seed powder into an oil press, and performing cold pressing to obtain gardenia oil liquid and gardenia seed cakes;

(2-3) sending the gardenia seed cake obtained in the step (2-2) into a food filter press, carrying out filter pressing, and discharging oil again to obtain gardenia oil liquid;

(2-4) sending the gardenia oil liquid obtained in the steps (2-2) and (2-3) into a settling tank together for settling, layering impurities, water and gardenia crude oil, and taking the upper gardenia crude oil;

(2-5) wrapping impurities and water in the gardenia crude oil obtained in the step (2-4), and sending the gardenia crude oil into a primary filter for primary physical filtration to remove most of the impurities;

(2-6) then sending the mixture into an oil-water separation tank pipe for oil-water separation, and taking clear oil flowing out of the oil-water separation tank after oil-water separation to obtain crude gardenia oil;

(3) crude oil treatment: treating the crude oil to obtain gardenia oil;

(3-1) sequentially feeding the gardenia crude oil obtained in the step (2-6) into a centrifugal filter and a fine filter, and carrying out double-tank filtration to remove impurities in the gardenia crude oil;

and (3-2) at the moment, the impurity content in the gardenia oil is extremely low, and then the gardenia oil is sequentially sent into a deacidification tank, a decoloration tank and a deodorization tank to be deacidified, decolored and deodorized, so that a finished gardenia oil product is obtained.

2. The gardenia oil extraction process according to claim 1, wherein the gardenia oil product obtained in the step (3-2) can be concentrated to obtain gardenia essential oil, and the specific process is as follows:

(4-1) feeding the gardenia oil finished product into an extraction tank, adding a solvent, stirring for 12-48h at 20-25 ℃, performing reverse extraction, and filtering to obtain an extraction liquid and gardenia dregs after extraction is completed;

(4-2) desolventizing and recycling the solvent in the gardenia dregs through a desolventizing refining kettle;

(4-3) feeding the extract into a stripping tower, carrying out steam stripping, reducing the solvent, condensing and recovering to obtain concentrated gardenia essential oil, and vacuum canning the obtained gardenia essential oil to obtain a finished product.

3. The extraction process of gardenia oil according to claim 1 or 2, wherein the solvent is one of ethane, ethanol, acetone or ethylene glycol.

4. The gardenia oil extraction process according to claim 3, wherein the gardenia oil extraction process is continuously produced by a gardenia oil extraction line, and the gardenia oil extraction line comprises a gardenia cleaning device, a gardenia oil production device, a crude oil treatment device and an essential oil treatment device;

the gardenia cleaning equipment sequentially comprises a specific gravity stoner, a first screening machine, a first drying oven, a decorticator, a second screening machine, a water washing pool and a second drying oven; the gardenia oil production equipment sequentially comprises a crusher, an oil press, a food filter press, a settling tank, a primary filter and an oil-water separation tank; the crude oil treatment equipment sequentially comprises a centrifugal filter, a fine filter, a deacidification tank, a decoloration tank and a deodorization tank; the essential oil treatment equipment sequentially comprises an extraction kettle, a desolventizing refining kettle and a stripping tower.

5. The extraction process of gardenia oil of claim 4, wherein the oil press is a screw oil press.

6. The gardenia oil extraction process of claim 4 or 5, wherein the first oven and the second oven are uniform hot air circulation ovens, and hot air is supplied by a screw air compressor.

7. The gardenia oil extraction process according to claim 6, wherein the oil-water separation tank is provided with an oil inlet, an oil outlet and a breathing port, and is internally provided with a plurality of oil separation sleeves and an oil outlet pipe, the oil separation sleeves are coaxially arranged, the oil separation sleeves are hollow and cylindrical, the lower ends of the oil separation sleeves are connected with the oil-water separation tank in a welding manner, the upper ends of the oil separation sleeves are provided with overflow weirs, the oil outlet pipe is positioned in the middle of the oil-water separation tank and is positioned in the oil separation sleeves, the lower ends of the oil separation sleeves are connected with the oil-water separation tank in a welding manner and are communicated with the oil outlet port, the plurality of oil overflow holes on the periphery of the upper ends of the oil separation sleeve;

the number of the oil separation sleeves is at least 2, the oil separation sleeves which are coaxially arranged can be sequentially divided into a first oil separation sleeve and a second oil separation sleeve 'N oil separation sleeve from outside to inside, the diameters of the first oil separation sleeve and the second oil separation sleeve' N oil separation sleeve are sequentially reduced, and the heights of the first oil separation sleeve and the second oil separation sleeve are also sequentially reduced;

the oil-water separation tank is divided into a plurality of oil-water separation chambers by the oil-water sleeve, the oil-water separation tank can be divided into a first chamber between the oil-water separation tank and the first oil-water sleeve and an N +1 chamber between the N oil-water sleeve and the oil outlet pipe by the oil-water sleeve in sequence from outside to inside, a wastewater outlet is formed in the lower end of the oil-water separation chamber, and floating ball controllers are arranged in the oil-water separation chamber;

and a drain valve is arranged on the wastewater discharge port, interacts with a floating ball controller on the wastewater discharge port of the same oil-water separation chamber, and is controlled to be opened and closed by the floating ball controller to discharge wastewater.

8. The gardenia oil extraction process according to claim 7, wherein the cross section of the overflow weir is circular arc, the lower end of the overflow weir is connected with a filter plate, the cross section of the filter plate is circular arc and concave, the oil-water separation tank is provided with a slag discharge pipe and a slag removal filter screen, the slag removal filter screen is positioned between the oil-water separation tank and the first oil separation sleeve and is frustum-shaped, the slag discharge pipe is obliquely arranged and penetrates through the oil-water separation tank, the upper end of the slag discharge pipe is positioned in the oil-water separation tank and is funnel-shaped, the vertical height of the slag discharge pipe is higher than the height of the overflow weir on the first oil separation sleeve, and the slag discharge pipe is positioned outside the oil-water separation tank and is provided with a.

9. The gardenia oil extraction process according to claim 8, wherein a liquid inlet pump and a liquid inlet valve are arranged at the oil inlet, a liquid outlet valve is arranged at the oil outlet, an openable and closable tank cover is arranged at the upper end of the oil-water separation tank, the breathing port is positioned on the tank cover and connected with a breathing pipe, a breathing valve is arranged on the breathing pipe, and the density of a floating ball on the floating ball controller is between the density of gardenia oil and the density of water.

Technical Field

The invention relates to the technical field of gardenia oil production, in particular to a gardenia oil extraction process.

Background

The gardenia oil is extracted from Gardenia jasminoides Ellis, is a vegetable oil with unsaturated fatty acid content of more than 80%, and has effects of dissolving cholesterol, removing blood vessel sediment, reducing blood lipid, and lowering blood pressure.

The existing gardenia oil extraction process is complex, the extracted gardenia oil is low in purity and low in absorption rate, cannot be absorbed by a human body and cannot be concentrated, the added value is low when the gardenia oil is prepared, meanwhile, a matched production line is lacked, and the large-scale production of the gardenia oil cannot be carried out.

Disclosure of Invention

The invention aims at the problems and discloses a gardenia oil extraction process.

The specific technical scheme is as follows:

the gardenia oil extraction process is characterized by comprising the following specific steps of:

(1) cleaning gardenia: pretreating the gardenia fruit raw material;

(1-1) continuously feeding the gardenia fruit raw material into a specific gravity stoner through lifting equipment to remove impurities such as stones, soil and the like in the gardenia fruit raw material;

(1-2) after the stone removing operation is finished, feeding the gardenia fruit raw material into a first screening machine for screening, and separating impurities such as fruit straws, broken leaves and the like in the gardenia fruit raw material from the gardenia fruit raw material to obtain an impurity-free gardenia fruit raw material;

(1-3) continuously putting the raw materials of the gardenia fruits into a first oven for hot air drying to remove water in shells of the gardenia fruits, wherein the drying temperature is controlled to be 70-90 ℃, and the drying time is controlled to be 20-30 minutes;

(1-4) after most of water in the shells is removed, conveying the gardenia fruits into a husking machine for husking to obtain gardenia seeds mixed with shell residues;

(1-5) conveying the gardenia seeds mixed with the fruit shell residues into a second screening machine, screening and filtering, and removing the fruit shell residues to obtain the gardenia seeds;

(1-6) sending the gardenia seeds into a water washing pool, washing and soaking, washing off the fruit shell residue powder on the surfaces of the gardenia seeds, and soaking for 0.5-1 hour;

(1-7) after the gardenia seeds are soaked, sending the gardenia seeds into a second drying oven, drying the gardenia seeds by hot air, controlling the drying temperature to be 50-60 ℃ for 10-15 minutes, and adjusting the moisture content in the gardenia seeds;

(2) producing oil from gardenia: squeezing the gardenia seeds, and pretreating to obtain gardenia oil;

(2-1) feeding the gardenia seeds dried in the step (1-7) into a grinder, and grinding until the gardenia seeds are ground into gardenia seed powder with the particle size of 20-50 mu m;

(2-2) sending the gardenia seed powder into an oil press, and performing cold pressing to obtain gardenia oil liquid and gardenia seed cakes;

(2-3) sending the gardenia seed cake obtained in the step (2-2) into a food filter press, carrying out filter pressing, and discharging oil again to obtain gardenia oil liquid;

(2-4) sending the gardenia oil liquid obtained in the steps (2-2) and (2-3) into a settling tank together for settling, layering impurities, water and gardenia crude oil, and taking the upper gardenia crude oil;

(2-5) wrapping impurities and water in the gardenia crude oil obtained in the step (2-4), and sending the gardenia crude oil into a primary filter for primary physical filtration to remove most of the impurities;

(2-6) then sending the mixture into an oil-water separation tank pipe for oil-water separation, and taking clear oil flowing out of the oil-water separation tank after oil-water separation to obtain crude gardenia oil;

(3) crude oil treatment: treating the crude oil to obtain gardenia oil;

(3-1) sequentially feeding the gardenia crude oil obtained in the step (2-6) into a centrifugal filter and a fine filter, and carrying out double-tank filtration to remove impurities in the gardenia crude oil;

and (3-2) at the moment, the impurity content in the gardenia oil is extremely low, and then the gardenia oil is sequentially sent into a deacidification tank, a decoloration tank and a deodorization tank to be deacidified, decolored and deodorized, so that a finished gardenia oil product is obtained.

In the gardenia oil extraction process, the gardenia oil finished product obtained in the step (3-2) can be concentrated to obtain gardenia essential oil, and the specific process is as follows:

(4-1) feeding the gardenia oil finished product into an extraction tank, adding a solvent, stirring for 12-48h at 20-25 ℃, performing reverse extraction, and filtering to obtain an extraction liquid and gardenia dregs after extraction is completed;

(4-2) desolventizing and recycling the solvent in the gardenia dregs through a desolventizing refining kettle;

(4-3) feeding the extract into a stripping tower, carrying out steam stripping, reducing the solvent, condensing and recovering to obtain concentrated gardenia essential oil, and vacuum canning the obtained gardenia essential oil to obtain a finished product.

In the above gardenia oil extraction process, the solvent is one of ethane, ethanol, acetone or ethylene glycol.

The gardenia oil extraction process is characterized in that the gardenia oil extraction process is continuously produced through a gardenia oil extraction production line, and the gardenia oil extraction production line comprises gardenia cleaning equipment, gardenia oil production equipment, crude oil treatment equipment and essential oil treatment equipment;

the gardenia cleaning equipment sequentially comprises a specific gravity stoner, a first screening machine, a first drying oven, a decorticator, a second screening machine, a water washing pool and a second drying oven; the gardenia oil production equipment sequentially comprises a crusher, an oil press, a food filter press, a settling tank, a primary filter and an oil-water separation tank; the crude oil treatment equipment sequentially comprises a centrifugal filter, a fine filter, a deacidification tank, a decoloration tank and a deodorization tank; the essential oil treatment equipment sequentially comprises an extraction kettle, a desolventizing refining kettle and a stripping tower.

The gardenia oil extraction process is characterized in that the oil press is a screw oil press.

In the gardenia oil extraction process, the first oven and the second oven are uniform hot air circulation ovens, and hot air is supplied by a screw air compressor.

The gardenia oil extraction process comprises the following steps that an oil inlet, an oil outlet and a breathing port are formed in an oil-water separation tank, an oil separation sleeve and an oil outlet pipe are arranged in the oil-water separation tank, the number of the oil separation sleeves is multiple, the oil separation sleeves are coaxially arranged, the oil separation sleeves are cylindrical and are communicated in the middle, the lower ends of the oil separation sleeves are connected with the oil-water separation tank in a welding mode, an overflow weir is arranged at the upper end of each oil outlet pipe, the oil outlet pipe is located in the middle of the oil-water separation tank and located in the oil separation sleeves, the lower ends of the oil outlet pipes are connected with the oil-water separation tank in a welding mode and communicated with the oil outlet;

the number of the oil separation sleeves is at least 2, the oil separation sleeves which are coaxially arranged can be sequentially divided into a first oil separation sleeve and a second oil separation sleeve 'N oil separation sleeve from outside to inside, the diameters of the first oil separation sleeve and the second oil separation sleeve' N oil separation sleeve are sequentially reduced, and the heights of the first oil separation sleeve and the second oil separation sleeve are also sequentially reduced;

the oil-water separation tank is divided into a plurality of oil-water separation chambers by the oil-water sleeve, the oil-water separation tank can be divided into a first chamber between the oil-water separation tank and the first oil-water sleeve and an N +1 chamber between the N oil-water sleeve and the oil outlet pipe by the oil-water sleeve in sequence from outside to inside, a wastewater outlet is formed in the lower end of the oil-water separation chamber, and floating ball controllers are arranged in the oil-water separation chamber;

and a drain valve is arranged on the wastewater discharge port, interacts with a floating ball controller on the wastewater discharge port of the same oil-water separation chamber, and is controlled to be opened and closed by the floating ball controller to discharge wastewater.

Foretell gardenia oil extraction technology, wherein, the cross-section of overflow weir is convex, and its lower extreme is connected with the filter plate, the cross-section of filter plate is convex, and it is the spill, be equipped with scum pipe and slagging-off filter screen on the oil water separating tank, the slagging-off filter screen is located between oil water separating tank and the first oil content sleeve pipe to be frustum shape, the scum pipe is the slant setting to run through oil water separating tank, its upper end is located oil water separating tank, and is hourglass hopper-shaped, and vertical height is higher than the height of overflow weir on the first oil content sleeve pipe, and the scum pipe is located outside oil water separating tank, and is equipped with the sediment valve.

The gardenia oil extraction process comprises the steps that a liquid inlet pump and a liquid inlet valve are arranged at an oil inlet, a liquid outlet valve is arranged at an oil outlet, an openable cover is arranged at the upper end of an oil-water separation tank, a breathing port is arranged on the cover and connected with a breathing pipe, a breathing valve is arranged on the breathing pipe, and the density of a floating ball on a floating ball controller is between the density of gardenia oil and the density of water.

The gardenia oil extraction process comprises the steps that ventilation and dust removal equipment is arranged on the husking machine and the pulverizer, the ventilation and dust removal equipment comprises an induced draft assembly, a primary filtering assembly, an induced draft pipeline and a secondary filtering assembly, the induced draft assembly comprises an induced draft mechanism and a first pipeline, the primary filtering assembly comprises a second pipeline, a filter screen and a collecting bag, the induced draft pipeline comprises a third pipeline and an induced draft fan, and the secondary filtering assembly comprises a fourth pipeline, a dust remover, a fifth pipeline, a first induced draft fan, a sixth pipeline and a second induced draft fan;

the induced draft mechanism is composed of 4 induced draft pieces with the same shape and size, the induced draft pieces are arc-shaped, the 4 induced draft pieces are arranged in a circular shape and are mutually welded and connected, each induced draft piece comprises an induced draft shell and an air inlet fan, an air inlet is formed in the outer wall of the induced draft shell, an air outlet is formed in the inner wall of the induced draft shell, an air channel communicated with the air inlet and the air outlet is formed in the induced draft shell, and the air inlet fan is arranged on the outer wall of the induced draft shell and corresponds to the air inlet;

the upper end of the air inducing mechanism is connected with the lower end of the first pipeline in a welding or riveting mode, an air inducing sleeve is fixedly arranged in the air inducing mechanism, the air inducing sleeve is in a hollow round table shape and is in a necking shape from bottom to top, the first pipeline is in a necking shape from bottom to top, and the upper end of the first pipeline is connected with the second pipeline through a sealing flange;

the second pipeline is a three-way pipe, the two horizontal ends of the second pipeline are respectively communicated with the first pipeline and the third pipeline, the lower end of the second pipeline is fixedly connected with the collecting bag through a locking block, and the filter screen is arranged in the middle of the second pipeline;

the suction fan is fixedly arranged in the third pipeline and communicated with the fourth pipeline, the dust remover comprises a dust removal shell and a filter cylinder, a dust removal inlet, a first air induction port and a second air induction port are arranged on the dust removal shell, the dust removal inlet is communicated with the fourth pipeline and provided with a first valve, the first air induction port is communicated with the fifth pipeline and connected with a first draught fan, and the second air induction port is communicated with the sixth pipeline and connected with a second draught fan.

The gardenia oil extraction process comprises the following steps that a settling tank is provided with a conveying pipeline for conveying oil, a vent hole, an oil inlet pipe, an oil outlet pipe, a drain pipe, a deslagging mechanism and a distributor, wherein the conveying pipeline penetrates through a heater and is communicated with the oil inlet pipe to supply gardenia crude oil into the settling tank;

the slag removal mechanism comprises scraping plates, a main shaft and an impeller driver, wherein a first bearing is arranged at the lower end of the main shaft and is rotatably connected with the first bearing, the first bearing is supported by a support to position the main shaft above an evacuation port, the scraping plates are multiple in number, the scraping plates are connected with the main shaft through connecting rods and are tightly attached to the bottom surface in the settling tank, the impeller driver comprises an impeller and a sealing cover shell, the upper end of the main shaft is vertically inserted into the sealing cover shell, is rotatably connected with the sealing cover shell through a second bearing and is fixedly connected with the impeller, a fluid inlet and a fluid outlet are formed in the sealing cover shell, the fluid inlet is communicated with an oil inlet pipe, and the fluid outlet is communicated with a distributor;

the distributor is composed of a plurality of annular pipes which are concentrically arranged and communicated with each other, and outlet holes are formed in the distributor; a horizontal and vertical first pore plate is arranged above the distributor, the edge of the first pore plate is welded and fixed with the inner wall of the settling tank, the oil outlet pipe is arranged at the upper part of the settling tank, one end of the oil outlet pipe is positioned outside the settling tank and connected with an oil pump, and the other end of the oil outlet pipe is positioned in the settling tank and connected with an oil collecting tank;

the drainage pipe is arranged at the lower part of the settling tank, one end of the drainage pipe is communicated with the settling tank, the middle part of the other end of the drainage pipe is provided with a water tank and a water pump, the upper end of the water tank is communicated with an anti-siphon pipe, and the upper end of the anti-siphon pipe is positioned at the upper part of the settling tank and is communicated with the interior of the settling tank;

the top of the settling tank is provided with a light-transmitting window, a negative pressure port and a breathing port, the light-transmitting window is positioned in the center of the top of the settling tank, the negative pressure port is communicated with the interior of the settling tank and connected with negative pressure equipment, and the breathing port is communicated with the interior of the settling tank and connected with a breathing valve;

the relative one side of oil outlet pipe is equipped with the observation window, the observation window embedding is on the settling cask to dispose the baffle, the baffle is curved otter board, is located the settling cask, and its upper end settling cask welded fastening.

The gardenia oil extraction process comprises the steps that the filter screen is obliquely arranged, dustproof sponge is arranged in the air inlet machine and is located at an air hole of the air inlet machine, the collecting bag is a cloth bag, the filter drum is a paper filter drum or an active carbon filter drum, the central angle corresponding to the arc shape of the air inducing piece is 90 degrees, and a second valve is arranged on the sixth pipeline.

The gardenia oil extraction process comprises the steps of arranging a driving drain pipe below the drain pipe, arranging a third valve on the evacuation port, the oil inlet pipe, the oil outlet pipe, the drain pipe and the driving drain pipe, arranging a skirt under the settling tank and supporting the skirt, arranging a water pump on the driving drain pipe, arranging an oil pump on the conveying pipeline, wherein the negative pressure equipment is a vacuum pump or a negative pressure fan, and the heater is a water bath heater.

The invention has the beneficial effects that:

the invention discloses a gardenia oil extraction process, which comprises a plurality of links such as gardenia cleaning, gardenia oil production, crude oil treatment, essential oil treatment and the like, wherein the gardenia cleaning comprises the steps of stone removal, primary screening, shell drying, fruit shelling, secondary screening, water washing and soaking, gardenia seed drying and the like, the gardenia oil production comprises the steps of gardenia seed crushing, cold pressing to obtain oil, press filtering to obtain oil, oil settling, primary filtering, oil-water separation and the like, the crude oil treatment comprises the steps of centrifugal filtering, fine filtering, deacidification, decoloration, deodorization and the like, so that gardenia oil is obtained, the content of impurities in the gardenia oil is extremely low, the water content is extremely low, the oil quality is excellent, the fragrance is pleasant, the absorption rate is high, meanwhile, the gardenia oil can be concentrated through the steps of extraction, desolventization, steam stripping and the like, the gardenia essential oil.

Drawings

FIG. 1 is a schematic view of the process of the present invention.

FIG. 2 is a schematic view of the gardenia oil extraction line.

Fig. 3 is a sectional view of the ventilating dust removing apparatus.

Fig. 4 is a top view of the air inducing mechanism.

Fig. 5 is a sectional view of the wind inducing mechanism of fig. 4.

Fig. 6 is a cross-sectional view of the inducer.

Fig. 7 is a schematic view of an air inducing sleeve.

Fig. 8 is a cross-sectional view of the scoop jacket.

Fig. 9 is a sectional view of the dust catcher.

Fig. 10 is a cross-sectional view of a settling tank.

Figure 11 is a sectional view of the spindle and impeller drive connection.

FIG. 12 is a top view of a distributor.

FIG. 13 is a schematic diagram of a settling tank in the fifth example.

FIG. 14 is a sectional view of the oil-water separation tank.

The reference numbers illustrate: A. a gardenia cleaning device; B. gardenia oil production equipment; C. crude oil treatment equipment; D. essential oil treatment equipment; E. a ventilation dust removing device; F. a screw air compressor;

wherein, A, gardenia cleaning equipment includes: a1, a specific gravity stoner; a2, a first screening machine; a3, a first oven; a4, a husking machine; a5, a second screening machine; a6, a water washing pool; a7, a second oven;

B. the gardenia oil production equipment comprises: b1, a pulverizer; b2, an oil press; b3, a food filter press; b4, a settling tank; b5, a primary filter; b6, an oil-water separation tank;

C. the crude oil treatment equipment comprises: c1, centrifugal filter; c2, fine filter; c3, deacidifying the tank; c4, a decoloring tank; c5, deodorizing tank;

D. essential oil treatment equipment includes: d1, an extraction kettle; d2, desolventizing refining kettle; d3, a stripping tower;

E. the ventilation dust removing apparatus includes: 71. an air inducing assembly; 72. a primary filter assembly; 73. an air suction pipeline; 74. a secondary filtration component; 75. an air inducing mechanism; 76. a first conduit; 77. a second conduit; 78. filtering with a screen; 79. a collection bag; 710. a third pipeline; 711. a suction fan; 712. a fourth conduit; 713. a dust remover; 714. a fifth pipeline; 715. a first induced draft fan; 716. a sixth pipeline; 717. a second induced draft fan; 718. an air inducing piece; 719. an induced draft housing; 720. an air inlet machine; 721. an air inlet; 722. an air outlet; 723. an air duct; 724. a wind-guiding sleeve; 725. a locking block; 726. a dust removal housing; 727. a filter cartridge; 728. a dust removal inlet; 729. a first air induction port; 730. a second induced draft opening; 731. a first valve; 732. a dust-proof sponge; 733. air holes; 734. a second valve;

b4, the settling tank comprises: 81. a delivery line; 83. emptying the air; 84. an oil inlet pipe; 85. an oil outlet pipe; 86. a drain pipe; 87. a deslagging mechanism; 88. a distributor; 89. a heater; 810. a squeegee; 811. a main shaft; 812. an impeller driver; 813. a first bearing; 814. a support; 815. a connecting rod; 816. an impeller; 817. sealing the housing; 818. a second bearing; 819. a fluid inlet; 820. a fluid outlet; 821. an outlet aperture; 822. a first orifice plate; 823. an oil pump; 824. an oil sump; 825. a water tank; 826. a water pump; 827. an anti-siphon tube; 828. a light-transmitting window; 829. a negative pressure port; 830. a breathing port; 831. negative pressure equipment; 832. a breather valve; 833. an observation window; 834. a partition plate; 835. an active drain pipe; 836. a skirt; 837. a third valve; 841. a first liquid density sensor; 842. a second liquid density sensor;

b6, the oil-water separation tank comprises: 92. an oil inlet; 93. an oil outlet; 94. a breathing port; 95. an oil separating sleeve; 96. an oil outlet pipe; 97. an overflow weir; 98. an oil spill hole; 99. an oil-water separation chamber; 910. a waste water discharge port; 911. a floating ball controller; 912. a drain valve; 913. filtering the plate; 914. a slag discharge pipe; 915. a deslagging filter screen; 916. a slag discharge valve; 917. a liquid inlet pump; 918. a liquid inlet valve; 919. a liquid outlet valve; 920. a can lid; 921. a breathing tube; 922. a breather valve; 951. a first oil separation sleeve; 952. a second oil separation sleeve; h. -; 95N, an nth oil separator 95N; 991. a first chamber; 992. a second chamber; h. -; 99N, an N +1 th chamber 99N.

Detailed Description

In order to make the technical solution of the present invention clearer and clearer, the present invention is further described below with reference to embodiments, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.