CN217709356U - Flower essential oil supercritical extraction equipment - Google Patents

Abstract

The utility model provides a modified flower extraction of essential oil equipment, including work unit and control box, the work unit is connected with the control box, the work unit includes the holding vessel, the condenser is installed through the pipe connection in the holding vessel rear, pressure device, heating device, the extraction cauldron, raw material tank, separator, recovery unit, compressor arrangement, still be provided with the manometer in the pipeline each section, the holding vessel is to the fixed superhigh pressure automatic pressure valve that is provided with on the pipeline between separator and the separator, the fixed super high pressure pump that is provided with on the pipeline between condenser and the pressure device, still be equipped with the check valve between compressor arrangement and heating device, separator and recovery unit and the compressor arrangement, on the fixed pipeline that sets up between holding vessel and the liquefaction device of compressor arrangement, the extraction cauldron with still be equipped with temperature sensor on the separator, superhigh pressure automatic pressure valve, super high pressure pump and extraction cauldron pressure can reach 120MPA.

Description

Flower essential oil supercritical extraction equipment

Technical Field

The utility model relates to a supercritical fluid extraction field particularly, relates to a flower essential oil supercritical fluid extraction equipment.

Background

The supercritical fluid is a supercritical fluid, is a non-gaseous and non-liquid state between gas and liquid, can exist only when the temperature and the pressure of the substance exceed critical points, has higher density and is similar to liquid, and the viscosity of the supercritical fluid is closer to gas, so the supercritical fluid is an ideal extracting agent, and in the process of producing the flower essential oil, the supercritical extraction equipment is generally used for extracting the essential oil.

At present, the pressure of flower essential oil supercritical extraction equipment on the market is usually about 50MPA, but the principle of the supercritical carbon dioxide fluid extraction and separation process is carried out by utilizing the relation between the dissolving capacity and the density of a supercritical fluid, namely, the influence of the pressure and the temperature on the dissolving capacity of the supercritical fluid, and the higher the pressure is, the stronger the penetrating power of the carbon dioxide fluid is, and the stronger the dissolving capacity is. Therefore, the common flower essential oil supercritical extraction equipment on the market at present cannot realize more efficient utilization in a plurality of working scenes, and the extraction efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The problem to be solved by the utility model is to provide a modified flower essential oil supercritical fluid extraction equipment to can improve extraction pressure, strengthen the penetrating power of carbon dioxide fluid, further promote the dissolving capacity.

(II) technical scheme

The utility model provides a technical scheme that its technical problem adopted is: the improved flower essential oil extraction equipment comprises a working unit and a control box, wherein the working unit is connected with the control box, the working unit comprises a storage tank, a condenser, a pressurizing device, a heating device, an extraction kettle, a raw material tank, a separating device, a recovering device and a compressing device are connected and installed behind the storage tank through pipelines, pressure gauges are further arranged on all sections of the pipelines, ultrahigh-pressure automatic pressure valves are fixedly arranged on the pipelines between the storage tank and the recovering device and between the storage tank and the separating device, ultrahigh-pressure pumps are fixedly arranged on the pipelines between the condenser and the pressurizing device, check valves are further arranged between the pressurizing device and the heating device, between the separating device and the recovering device and between the recovering device and the compressing device, the compressing device is fixedly arranged on the pipeline between the storage tank and the liquefying device, temperature sensors are further arranged on the extraction kettle and the separating device, and the pressure of the ultrahigh-pressure automatic pressure valves, the ultrahigh-pressure pumps and the extraction kettle can reach 120MPA.

Further, the ultra-high pressure pump comprises a pump body, an auxiliary valve, a signal sensor and a pressing sleeve nut, the pressing sleeve nut is screwed on the left side of the pump body, the auxiliary valve is fixedly arranged on the right side of the pump body, the signal sensor is respectively arranged on the pump body and the auxiliary valve, the motor is connected with the control box through the signal sensor, an inner core assembly is arranged in the pump body along the axial direction, the inner core assembly comprises a pressing sleeve A, a plunger A and an inner cavity, the plunger A penetrates through the pressing sleeve A, the plunger A is in clearance fit with the pressing sleeve A, the pressing sleeve A is screwed with the pump body, a pressing sleeve B, a spacer ring, a filler, a metal pad II and a metal pad I are sequentially and fixedly arranged in the inner cavity from left to right along the axial direction of the plunger A, the auxiliary valve comprises a connector A, the hydraulic pump comprises a pressure sleeve C, a valve seat A, a valve seat sleeve, a valve ball and a hydraulic cylinder body, wherein the hydraulic cylinder body is in threaded connection with the pump body, the valve seat A is arranged in an inner cavity of the hydraulic cylinder body along the radial direction of a plunger A, the valve seat sleeve is fixedly arranged on the valve seat A, the valve seat A and the valve seat sleeve are arranged in pairs, the pressure sleeve C is arranged on the valve seat sleeve and the valve seat A, a valve seat cushion is arranged between the valve seat A and the valve seat sleeve, the valve seat A, the pressure sleeve C and the valve seat sleeve are provided with through holes, the inner diameter of the valve seat sleeve is larger than that of the valve seat A, the valve ball is arranged in the middle of the inner diameter of the valve seat sleeve, a joint is arranged at the top of the pressure sleeve C and is in threaded connection with the hydraulic cylinder body, and a sealing ring B is arranged between the joint and the pressure sleeve C;

the ultrahigh pressure valve comprises a handle, a valve rod, a valve body, a valve base, a joint B and a signal sensor, wherein the joint B is connected with a pipeline, a through hole is formed between the left end of the valve body and the inner wall of the valve body, the signal sensor is installed on the valve rod, the signal sensor is connected with a control box, the valve rod is arranged in the valve body, a valve rod nut is movably sleeved on the valve rod, the diameter of the part, sleeved with the valve rod nut, of the valve rod is larger than the diameter of the other part of the valve rod, the middle part of the valve rod nut is screwed with a locking nut, the lower end of the valve rod nut is screwed with the valve body, a sealing component A is fixedly arranged on the inner wall of the valve body at the position corresponding to the lower part of the screwed part of the valve rod nut and the valve body, the sealing components A are respectively a metal sealing ring A, a sealing gasket A and a rubber sealing ring A from top to bottom, and the inner diameters and outer diameters of the metal sealing ring A are the same, the metal sealing ring A, the sealing gasket A and the rubber sealing ring A are in clearance fit with the valve rod, a valve seat B is fixedly arranged on the inner wall of the valve body at the position corresponding to the bottom of the valve rod, the valve seat B is provided with a through hole, the valve seat B is in interference fit with the inner wall of the valve body, the metal sealing ring B is arranged below the valve seat B, the inner diameter of the metal sealing ring B is larger than that of the valve seat B, the lower end of the metal sealing ring B extends downwards along the radial direction of the valve body, the valve base is arranged below the metal sealing ring B, a through hole is arranged in the middle of the valve base, the valve base is in threaded connection with the valve body, the top end of the valve base is in a step shape and is matched with the metal sealing ring B, the joints B are respectively arranged on the left side of the valve body and the lower end of the valve base through joint pressing caps, and the inner side of the joint B is clamped with the inner side of the joint pressing caps, the diameter of the clamping part of the joint is larger than that of other parts of the joint;

the extraction kettle comprises a barrel body, a charging barrel, an upper sealing cover, a lower sealing cover and a sealing component B, wherein a plurality of crushing devices are arranged on the inner wall of the charging barrel from top to bottom, the crushing devices are connected with a control cabinet through sensors, the sealing component B further comprises a shell, a sealing cover A, a plug, a first plunger and a second plunger, the top end of the outer wall of the shell of the sealing component B extends 3/4 of the thickness of the barrel wall of the barrel body along the radial direction of the barrel body, the plug is connected with the sealing cover A, the top end of the shell of the sealing component A is clamped with the upper sealing cover, CO2 fluid inlets are arranged on two sides of the shell of the sealing component A, the reverse angle of the CO2 fluid inlets along the horizontal direction is 150 degrees, the wall thickness of the shell of the sealing component A is consistent with the wall thickness of the barrel body, the bottom of the shell of the sealing component A is conical, and the included angle between the bottom of the shell of the sealing component A and the top of the barrel body is 22 degrees, the outer diameter of the sealing cover A is the same as the inner diameter of the sealing assembly A shell, inlets corresponding to a CO2 fluid inlet are arranged on two sides of the plunger, a sealing gasket B is arranged between the plunger I and the sealing cover A, a discharging ring is arranged at the bottom of the outer surface of the plunger I, a filtering layer is arranged at the junction of the plunger I and the plunger II, the filtering layer is buckled with the plunger II through an upper joint of a charging barrel, the plunger I and the plunger II are integrated into a whole, the plunger I and the plunger II are hollow, a plunger sealing ring is arranged on the outer surface of the plunger, the thickness of the barrel wall of the barrel is 1/4 of the diameter of the barrel, the bottom of the barrel is conical, an annular toothed plate is arranged between the charging barrel and the barrel, the ring is meshed with the outer surface of the charging barrel, the annular toothed plate is connected with a motor, a sensor is arranged on the motor, and the sensor is connected with a control cabinet, the high same with the barrel height of feed cylinder, bottom top-down is equipped with filter one in proper order in the feed cylinder, filter two, filter screen clamping ring, filter plate one and filter plate two pass through the feed cylinder lower clutch buckle and connect the connection, the feed cylinder lower clutch is fixed to be set up on the feed cylinder inner wall, feed cylinder lower extreme surface connects the upper end with the feed cylinder and corresponds position department and be equipped with sealing ring C, the filter screen clamping ring passes through the detachable mode and sets up in filter two belows, the barrel bottom is the toper, the taper angle is 150 degrees, the fixed setting in the barrel bottom can be dismantled to the lower sealing lid, the contained angle between lower sealing lid and the barrel bottom is 30 degrees, the lower sealing lid top is the obconic, the obconic angle is 150 degrees, the obconic bottom is CO2 fluid outlet.

Furthermore, the bottom of the ultrahigh pressure valve body is conical, the conical angle is 90 degrees, a guide sealing block extends from the side edge of the conical shape, the diameter of the guide sealing block is smaller than the inner diameter of the valve seat, and a through hole is formed in the side face of the guide sealing block.

Further, the valve seat is provided with a conical contact surface which is attached to the conical surface at the bottom of the valve rod.

Furthermore, a sealing ring is arranged on the outer surface of the conical surface at the bottom of the valve body.

Furthermore, a sealing ring C is arranged on the sealing cover A.

Furthermore, the end heads of the two ends of the upper joint and the lower joint of the charging barrel are hook-shaped.

The beneficial effects of the utility model reside in that, set up the ultrahigh pressure valve that pressure can reach 120MPA through each road section at each road section extraction device, set up the ultrahigh pressure pump that pressure can reach 120MPA and adopt the extraction cauldron that can pressure-bearing 120MPA on the pipeline between condenser and pressure device, make extraction device can maintain 110MPA at its extraction pressure of during operation, thereby can improve extraction pressure, strengthen the fluidic penetrating power of carbon dioxide, further promote the dissolving capacity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a front cross-sectional view of a medium to high pressure pump of the present invention;

FIG. 3 is a schematic view of an inner core assembly of the medium and high pressure pump of the present invention;

FIG. 4 isbase:Sub>A sectional view of the middle-high pressure automatic valve of the present invention in the direction A-A;

FIG. 5 is a top view of the ultrahigh pressure automatic valve of the present invention;

FIG. 6 is a partially enlarged view of the middle-and ultra-high pressure automatic valve of the present invention;

FIG. 7 is a main sectional view of the extraction kettle of the present invention;

fig. 8 is a partial schematic view of the middle extraction kettle sealing assembly B of the present invention;

FIG. 9 is a front view of a middle annular toothed plate of the middle extraction kettle of the present invention;

fig. 10 is a cross-sectional view of the cartridge of the present invention taken along the direction F-F.

In the figure: a working unit 1; a control box 2; a storage tank 11; a condenser 12; a pressurizing device 13; a heating device 14; an extraction kettle 15; a raw material tank 16; a separation device 17; a recovery device 18; a compression device 19; a pressure gauge 101; an ultrahigh pressure automatic valve 102; an ultra high pressure pump 103; a check valve 104; a temperature sensor 105; a flow meter 106; a pump body 1031; an auxiliary valve 1032; a signal sensor 1033; a gland nut 1034; an inner core assembly 10311; a pressing sleeve A10311-1; a plunger A10311-2; a lumen 10311-3; a pressing sleeve B10311-4; spacer rings 10311-5; 10311-6 parts of filler; a second metal pad 10311-7; a first metal pad 10311-8; sealing rings A10311-9; an auxiliary valve 1032; connector a10321; a press sleeve C10322; valve seat a10323; a valve seat sleeve 10324; a valve ball 10325; a hydraulic cylinder block 10326; a valve seat pad 10327; sealing ring B10328; a handle 1021; a valve stem 1022; a valve body 1023; a valve base 1024; a joint B1025; a stem nut 10221; a locking nut 10222; a metal seal ring a10223; gasket seal a10223-1; rubber seal ring A10223-2; valve seat B10224; seal ring B10224-1; a connector press cap 10251; a connector seal 10252; a guide seal block 10225; via 10225-1; a cylinder 151; a barrel 152; an upper seal cap 153; a lower sealing cap 154; a seal assembly B155; a crushing device 1521; seal assembly B housing 1551; a sealing cap 15521; a plug 1553; plunger one 1554; a second plunger 1555; a CO2 fluid inlet 1556; a seal B1557; a discharge ring 1558; a filtration layer 1560; a cartridge upper connector 1559A; cartridge lower connector 1559B; plunger seal ring 15510; a ring gear plate 1521; a motor 1523; a first filter plate 1561; a filter plate layer 1562; a filter screen compression ring 1563; a seal ring C1564; a CO2 outflow opening 1541 and a sealing ring C1552-1.

Detailed Description

To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.

According to the utility model discloses an embodiment provides a petal essential oil supercritical fluid extraction equipment.

The present invention will now be further described with reference to the accompanying drawings and detailed description, as shown in fig. 1-10.

Fig. 1 shows a schematic structural diagram of an extraction device, which comprises two parts, namely a working unit 1 and a control box 2, wherein the working unit 1 is connected with the control box 2, and the whole working unit 1 is controlled to work through the control box 2. The working unit comprises a storage tank 11, a condenser 12, a pressurizing device 13, a heating device 14, an extraction kettle 15, a raw material box 16, a separating device 17, a recovery device 18 and a compression device 19 which are connected and installed behind the storage tank 11 through pipelines respectively, CO2 gas is changed into fluid through the condenser 12 and then passes through the pressurizing device 13 and the heating device 14, so that the CO2 fluid obtains corresponding temperature and pressure and reaches the extraction kettle 15, meanwhile, petal raw materials are put into the extraction kettle 15 through the raw material box 16, so that the CO2 fluid and the petal raw materials react in the extraction kettle 15, then the CO2 fluid fully reacted with petals enters the separating device 17 to separate petal essential oil from the CO2 fluid, the separated CO2 fluid enters the recovery device 18, meanwhile, the CO2 fluid which is not fully reacted with the petal raw materials in the extraction kettle 15 directly enters the recovery device 18 from the extraction kettle 15, and the CO2 fluid is returned to the storage tank 11 through the compression device 19 after the CO2 fluid is recovered by the recovery device 18. On the other hand, in order to maintain the pressure in the extraction tank 15 at 110MPA during the reaction, a 120MPA ultrahigh pressure automatic pressure valve 102 is fixedly provided in a pipeline between the storage tank 11 and the recovery unit 18 and the separation unit 17, a 120MPA ultrahigh pressure pump 103 is fixedly provided in a pipeline between the condenser 12 and the pressurizing unit 13, and the pressure-bearing capacity of the extraction tank 15 needs to be 120MPA. Each section of the pipeline is also provided with a pressure gauge 101, so that the pressure of the corresponding device of each pipeline section is monitored. Check valves 104 are provided between the pressurizing device 13 and the heating device 14, between the separating device 17 and the recovering device 18, and between the recovering device 18 and the compressing device 19, to prevent the liquid from flowing back. Temperature sensors 105 are also provided on the extraction tank 15 and the separation device 17 to monitor the temperature.

The structure schematic diagram of the ultra-high pressure pump 103 in fig. 2 comprises a pump body 1031, an auxiliary valve 1032, a signal sensor 1033, the auxiliary valve 1032 is fixedly arranged on the right side of the pump body 1031, the signal sensor 1033 is respectively arranged on the pump body 1031 and the auxiliary valve 1032, a motor 1523 is connected with a control box 2 through the signal sensor 1033, the ultra-high pressure pump 103 further comprises a core assembly 10311, fig. 3 is the schematic diagram of the ultra-high pressure pump core assembly 10311, the core assembly 10311 is arranged along the axial direction of the pump body 1031, the core assembly 10311 comprises a pressing sleeve a10311-1, a plunger a10311-2, an inner cavity 10311-3, a plunger a10311-2 penetrates through the pressing sleeve a10311-1, the plunger a10311-2 is in clearance fit with the pressing sleeve a10311-1, the pressing sleeve a10311-1 is in threaded with the pressing sleeve a10311-1, the pressing sleeve a signal sensor 1033 is controlled by the control box 2, so that the motor 1523 is controlled to drive the auxiliary valve 1032 to complete the work of air intake and exhaust, and push the plunger 1031 a reciprocating motion of the pump body 1031 and the pump body 1031 a reciprocating motion of the pump body 1031 1-1. The internal cavity of the pump body 1031 is fixedly provided with a pressing sleeve B10311-4, a spacer ring 10311-5, a packing 10311-6, a metal pad two 10311-7 and a metal pad one 10311-8 from left to right in sequence along the axial direction of the plunger A10311-2, so that the tightness between the plunger A10311-2 and the pump body 1031 in the pump body 1031 is ensured, the ultra-high pressure pump 103 further comprises a pressing sleeve nut 1034, the pressing sleeve nut 1034 is screwed on the left side of the pump body 1031, the radial force applied to the left end of the pump body 1031 by the pressing sleeve nut 1034 is ensured, so that the tightness between the pump body 1031 and the pressing sleeve A10311-1 is ensured, the auxiliary valve 1032 comprises a connector A10321, a pressing sleeve C10322, a valve seat A10323, a valve seat sleeve 10324, a valve ball 10325, a hydraulic cylinder 10326, the hydraulic cylinder 10326 is screwed between the hydraulic cylinder 10326 and the pump body 1031, on one hand, the other hand, the connection stability between the auxiliary valve 1032 and the pump body 10323 can be ensured, the valve 10323 is conveniently disassembled and the valve seat 10323 is fixedly arranged on the radial direction of the plunger A10323, the valve seat A10323 and the valve seat sleeve 10324 are arranged in pair, the press sleeve C10322 is arranged on the valve seat A10323 and the valve seat sleeve 10324 to ensure the matching strength between the valve seat A10323 and the valve seat sleeve 10324, the valve seat cushion 10327 is arranged between the valve seat A10323 and the valve seat sleeve 10324 to ensure the sealing performance between the valve seat A10323 and the valve seat sleeve 10324, the inner diameter of the valve seat sleeve 10324 is larger than the inner diameter of the valve seat A10323, the valve ball 10325 is arranged in the middle of the inner diameter of the valve seat sleeve 10324 to ensure that the contact surface between the valve seat A10323 and the valve ball 10325 has an inclined surface, so that the function of a one-way valve is achieved, the contact between the inclined surface and the valve ball 10325 can reduce the abrasion degree between the valve ball 10325 and the valve seat 103A 10323, the joint A10321 is arranged on the press sleeve C10322 and is in threaded connection with the hydraulic cylinder 10326, the joint A10321 and the hydraulic cylinder 10322 is provided with the sealing ring B8978 zxft 78, and the force exerted by the hydraulic cylinder 10321 ensures the threaded connection between the inner and outer parts 1032 of the auxiliary valve 10326 Strength and stability of the composition.

When the pump works, the control box controls the motor 1523 through the signal sensor 1033 to control the auxiliary valve 1032 at the lower end to suck air, after the air works in the pump body 1031, the control box 2 controls the motor 1523 through the signal sensor 1033 to control the auxiliary valve 1032 at the upper end to discharge the air, meanwhile, the control box 2 also controls the resetting of the plunger A10311-2 through the signal controller 1033 on the pump body 1031, so that a circularly reciprocating working state is generated, the pump adopting the structure can obtain the pressure of 120MPA, a pipeline is connected with the gland A10311-1, and therefore the CO2 fluid can preliminarily obtain the pressure of 110 Mpa.

Fig. 4 isbase:Sub>A cross-sectional view of the ultrahigh pressure automatic valve 102 along the directionbase:Sub>A-base:Sub>A, the ultrahigh pressure automatic valve 102 includesbase:Sub>A handle 1021,base:Sub>A valve stem 1022,base:Sub>A valve body 1023,base:Sub>A valve base 1024,base:Sub>A joint B1025,base:Sub>A signal sensor 1033, andbase:Sub>A signal sensor 1033 installed on the valve stem 1022, the signal sensor 1033 is connected to the control box 2, the joint B1025 is connected tobase:Sub>A pipeline, the valve stem 1022 is disposed in the valve body 1023,base:Sub>A stem nut 10221 is screwed on the valve stem 1022, so that the valve stem 1022 can reciprocate up and down by screwing, and the screw reciprocating up and down is not easily locked, and labor is saved, the diameter of the part of the valve stem 1022 sleeved with the stem nut 10221 is larger than the diameter of the other part of the valve stem 1022, so that the strength of the valve stem 2022 can be further enhanced,base:Sub>A lock nut 10222 is screwed in the middle of the stem nut 10221, the lower end of the stem nut 10221 is screwed to the valve body 1023, so that the stability and strength of the connection between the stem nut 10221 and the valve body 1023 are enhanced, and the sealing assemblybase:Sub>A sealing assembly is fixedly disposed atbase:Sub>A position corresponding to the position below the screw 10223. A sealing assembly A is respectively a metal sealing ring A10223, a sealing gasket A10223-1 and a rubber sealing ring A10223-2 from top to bottom, the inner diameter and the outer diameter of the sealing assembly A are the same, the inner diameter is in clearance fit with a valve rod 1022, the valve rod can freely move up and down in the inner diameter of the sealing assembly A, a valve seat B10224 is fixedly arranged on the inner wall of a valve body 1023 at the position corresponding to the bottom of the valve rod 1022, the valve seat B10224 is in interference fit with the inner wall of the valve body 1023, the metal sealing ring B10224-1 is arranged below the valve seat B10224, the inner diameter of the metal sealing ring B10224-1 is larger than the inner diameter of the valve seat B10224, on one hand, the sealing performance can be enhanced, and on the other hand, the flow rate of fluid passing through the inner diameter of the valve seat B10224 is ensured. The lower end of a metal sealing ring B10224-1 extends downwards along the radial direction of a valve body 1023, a valve base 1024 is arranged below the metal sealing ring B10224-1, the valve base 1024 is in threaded connection with the valve body 1023, the top end of the valve base 1024 is in a step shape and is matched with the metal sealing ring B10224-1, so that the valve base can be better attached, the sealing stability is higher, a joint B1025 is respectively installed on two sides of the valve body 1023 through a joint pressing cap 10251, the inner side of the joint B1025 is clamped with the inner side of the joint pressing cap 10251, the diameter of the joint B1025 is larger than the diameter of other parts of the joint B1025, the joint B1025 can be better clamped, the stable connection strength is achieved, and the joint B is not prone to falling off.

During operation, CO2 fluid flows in from the joint B1025 at the upper end, at this time, the control box 2 controls the valve rod 1022 to move upwards in the valve body 1023 through the signal sensor 1033, so that the state between the valve seat B10224 and the valve rod 1022 is changed from a closed state to an open state, at this time, the CO2 fluid flows out from the joint B1025 at the lower end through the through hole in the middle of the valve seat B10224 and the through hole in the middle of the valve base 1024, after the CO2 flows out, the control box 2 controls the valve rod 1022 to move downwards again, so that the state between the valve rod 1022 and the valve seat B10224 is closed again, so that the CO2 fluid in the pipeline can be locked quickly, a pressure value is ensured, on the other hand, in order to prevent the malfunction during automatic control of the signal sensor 1033, the handle 1021 is arranged at the top end of the valve rod 1022, and once the malfunction can be operated manually.

In addition, in order to enable the ultrahigh pressure automatic valve to obtain better sealing, the bottom of the valve rod is conical, the conical angle is 90 degrees, a guide sealing block 10225 extends out of the side edge of the conical shape, the diameter of the guide sealing block 10225 is smaller than the inner diameter of the valve seat, and in order to prevent the valve rod from being locked, a through hole 10225-1 penetrating through the side face of the guide sealing block is arranged. In order to strengthen the sealing performance between the bottom of the valve rod and the valve seat B, the valve seat B is provided with a conical contact surface attached to the conical surface at the bottom of the valve rod, and the conical contact surface is in surface contact with the conical contact surface at the bottom of the valve rod, so that the abrasion is reduced at the same time.

Fig. 7 is a main sectional view of an extraction kettle 15, which includes a cylinder 151, a cylinder 152, an upper sealing cover 153, a lower sealing cover 154, and a sealing assembly B155, where the cylinder 155 is disposed in the cylinder 151, a plurality of pulverizing devices 1521 are disposed on an inner wall of the cylinder 152 from top to bottom, the pulverizing devices 1521 are connected to a control cabinet 2 through sensors 1033, when petal raw materials enter the cylinder 152, the control cabinet 2 controls the pulverizing devices 1521 to pulverize the petal raw materials, so that the petal raw materials can react more fully with a CO2 fluid, fig. 8 is a partial schematic view of the sealing assembly B155 of the extraction kettle, the sealing assembly B155 further includes a housing 1551, a sealing cover a1552, a plug 1553, a first plunger 1554, and a second plunger 1555, a top end of an outer wall of the housing 1551 of the sealing assembly B extends along a radial direction of the cylinder 151 by 3/4 of a thickness of the cylinder 151, the plug 1553 is connected to the sealing cover a1552, the top end of the shell 1551 of the sealing assembly A is clamped with the upper sealing cover 153, the clamping of the upper sealing cover 153 and the top end of the shell 1551 of the sealing assembly A can further enhance the sealing effect, and the sealing cover A1552 cannot be pushed upwards when the interior of the extraction kettle 15 is under high pressure, so that on one hand, the safety under high pressure is ensured, on the other hand, the stability of the pressure in the extraction kettle 15 is facilitated, on the other hand, CO2 fluid inlets 1556 are arranged on two sides of the shell 1551 of the sealing assembly A, the reverse angle of the CO2 fluid inlets 1556 in the horizontal direction is 150 degrees, the arrangement of the angle of the C02 fluid inlets 150 can ensure that CO2 fluid flows in a relatively continuous, stable and uniform state, the wall thickness of the shell 1551 of the sealing assembly A is consistent with that of the cylinder 151, so that the stability and consistency during matching are ensured, the bottom of the shell 1551 of the sealing assembly A is conical, and the included angle between the bottom of the shell 1551 of the sealing assembly A and the top of the cylinder is 22 degrees, the outer diameter of the sealing cover A1552 is the same as the inner diameter of the sealing A assembly shell 1551, inlets corresponding to the CO2 fluid inlets 1556 are arranged on two sides of the plunger I1554, so that the CO2 fluid flows into the plunger I1554, a sealing gasket B1557 is arranged between the plunger I1554 and the sealing cover A1552, a discharging ring 1558 is arranged at the bottom of the outer surface of the plunger I1554, the sealing performance is further enhanced, a filtering layer 1560 is arranged at the junction of the plunger I1554 and the plunger II 1555, impurities generated by the CO2 fluid due to recycling are filtered, the filtering layer 1560 is buckled with the plunger II 1555 through a charging barrel upper joint 1559A, so that the filtering layer is convenient to detach and clean, the plunger I1554 and the plunger II 1555 are integrated, a plunger sealing ring 15510 is arranged on the outer surface of the plunger II 1555, the sealing performance between the plunger II and the sealing assembly shell is enhanced, the thickness of the barrel 151 is 1/4 of the diameter of the barrel, and the pressure resistance of the barrel is enhanced, the bottom of the cylinder 151 is conical, an annular toothed plate 1522 is arranged between the charging barrel 152 and the cylinder 151, the annular toothed plate 1522 is shown in a schematic diagram in fig. 9, fig. 10 is a sectional view of the charging barrel along the direction F-F, the annular toothed plate 1522 is engaged with the outer surface of the charging barrel 152, the annular toothed plate 1522 is connected with a motor 1523, a sensor 1033 is arranged on the motor 1523, the sensor 1033 is connected with a control box 2, when CO2 fluid reacts with the petal raw material, the control box 2 controls the motor 1523 to drive the annular toothed plate 1522 to rotate, so that the charging barrel 152 is driven by the annular toothed plate 1522 to rotate, the reaction between the petal raw material and the CO2 fluid is more sufficient, the height of the charging barrel 152 is the same as that of the cylinder 151, a first filter plate 1561, a second filter plate 1562 and a pressure-ring filter screen 1563 are sequentially arranged at the bottom of the charging barrel 152 from top to bottom, and the arrangement of the two filter plates can better filter the raw material residue after the reaction, the filter screen clamping ring has a positioning effect on a first filter screen and a second filter screen, on the one hand, the sealing performance between the bottoms of the second filter screen and the material cylinder can be enhanced, the first filter plate 1561 and the second filter plate 1562 are connected through a clamping buckle of a material cylinder lower connector 1559B, so that the filter screen clamping ring is convenient to detach and clean, the material cylinder lower connector 1559B is fixedly arranged on the inner wall of the material cylinder 152, a sealing ring C1564 is arranged at the corresponding position of the outer surface of the lower end of the material cylinder 152 and the upper end of the material cylinder lower connector 1559B, the sealing performance between the material cylinder and the barrel is improved, the filter screen clamping ring 1563 is arranged below the second filter plate 1562 in a detachable mode, the bottom of the barrel 151 is conical, the conical angle is 150 degrees, the lower sealing cover 154 is detachably and fixedly arranged at the bottom of the barrel 151, an included angle between the lower sealing cover 154 and the bottom of the barrel 151 is 30 degrees, the top of the lower sealing cover 154 is in an inverted cone shape, the inverted cone shape is 150 degrees, the inverted cone shape of the bottom of the inverted cone of the CO2 fluid outlet 1541, 150 degrees can enable the C02 fluid to be completely discharged, and the accumulated fluid is not to be not formed at the bottom of a batch, so that the quality of the subsequent batch is affected.

During operation, earlier open seal assembly B and upper sealing cover, add the petal raw materials in the feed cylinder, put the feed cylinder into the barrel again, cover seal assembly B and upper sealing cover again, a plurality of reducing mechanism that feed cylinder inner wall top-down set up this moment begin work under the control of control box again, smash the petal raw materials, CO2 fluid passes through the CO2 fluid import of sealed cover A both sides through plunger one after that, filter plate layer and plunger two flow into the feed cylinder in, take place the reaction with the petal raw materials in the feed cylinder section of thick bamboo, control box control motor drives annular toothed plate and begins to rotate simultaneously, the rotation of annular toothed plate then drives the feed cylinder and rotates, after the reaction, the feed cylinder stall, CO2 fluid that has mixed the petal essential oil flows in the CO2 fluid export of filter and the filter two of filter plate follow lower sealing cover through the feed cylinder bottom.

In order to further enhance the sealing performance between the sealing cover A1552 and the shell of the sealing assembly B, a sealing ring C1552-1 is further arranged on the sealing cover A1552.

Furthermore, for better realization buckle function, the end of the two ends of the upper joint and the lower joint of the charging barrel are hook-shaped.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A flower essential oil supercritical extraction device comprises a working unit and a control box, wherein the working unit is connected with the control box, the working unit comprises a storage tank, a condenser, a pressurizing device, a heating device, an extraction kettle, a raw material tank, a separating device, a recovering device and a compressing device are installed behind the storage tank through pipelines, pressure gauges are further arranged on all sections of the pipelines, ultrahigh pressure automatic pressure valves are fixedly arranged on the pipelines from the storage tank to the recovering device and the separating device, an ultrahigh pressure pump is fixedly arranged on the pipeline between the condenser and the pressurizing device, check valves are further arranged between the pressurizing device and the heating device, between the separating device and the recovering device and between the recovering device and the compressing device, the compressing device is fixedly arranged on the pipeline between the storage tank and the liquefying device, temperature sensors are further arranged on the extraction kettle and the separating device, and the ultrahigh pressure automatic pressure valves, the ultrahigh pressure pump and the extraction kettle can reach 120MPA.

2. The supercritical extraction apparatus of flower essential oil according to claim 1, wherein: the ultra-high pressure pump comprises a pump body, an auxiliary valve, a signal sensor, a motor and a pressing sleeve nut, wherein the pressing sleeve nut is screwed on the left side of the pump body, the auxiliary valve is fixedly arranged on the right side of the pump body, the signal sensor is respectively arranged on the pump body and the auxiliary valve, the motor is connected with the control box through the signal sensor, an inner core assembly is arranged in the pump body along the axial direction and comprises a pressing sleeve A, a plunger A and an inner cavity, the plunger A penetrates through the pressing sleeve A, the plunger A and the pressing sleeve A are in clearance fit, the left end of the pressing sleeve A is connected with a pipeline, the right end of the pressing sleeve A is screwed with the pump body, a pressing sleeve B, a spacer ring, a filler, a metal pad II and a metal pad I are sequentially and fixedly arranged in the inner cavity from left to right along the axial direction of the plunger A, the auxiliary valve comprises a joint A, a pressing sleeve C, a valve seat A, a valve seat sleeve, a valve ball and a hydraulic cylinder body, wherein the hydraulic cylinder body is in threaded connection with the pump body, the valve seat A is arranged in an inner cavity of the hydraulic cylinder body along the radial direction of the plunger A, the valve seat sleeve is fixedly arranged on the valve seat A, the valve seat A and the valve seat sleeve are arranged in pairs, the pressing sleeve C is arranged on the valve seat sleeve and the valve seat A, a valve seat cushion is arranged between the valve seat A and the valve seat sleeve, the valve seat A, the pressing sleeve C and the valve seat sleeve are provided with through holes, the inner diameter of the valve seat sleeve is larger than that of the valve seat A, the valve ball is arranged in the middle of the inner diameter of the valve seat sleeve, the joint is arranged at the top of the pressing sleeve C and is in threaded connection with the hydraulic cylinder body, and a sealing ring B is arranged between the joint and the pressing sleeve C;

the ultrahigh pressure automatic pressure valve comprises a handle, a valve rod, a valve body, a valve base, a joint B and a signal sensor, wherein the joint B is connected with a pipeline, a through hole is formed between the left end of the valve body and the inner wall of the valve body, the signal sensor is installed on the valve rod, the signal sensor is connected with a control box, the valve rod is arranged in the valve body, a valve rod nut is movably sleeved on the valve rod, the diameter of the part of the valve rod sleeved with the valve rod nut is larger than the diameters of other parts of the valve rod, the middle part of the valve rod nut is screwed with a locking nut, the lower end of the valve rod nut is screwed with the valve body, a sealing component A is fixedly arranged on the inner wall of the valve body at the position corresponding to the lower part of the screwed part of the valve rod nut and the valve body, the sealing component A is respectively a metal sealing ring A, a sealing gasket A and a rubber sealing ring A from top to bottom, and the inner diameter and outer diameter of the metal sealing ring A, the sealing ring A and the rubber sealing ring A are the same, the metal sealing ring A, the sealing gasket A and the rubber sealing ring A are in clearance fit with the valve rod, a valve seat B is fixedly arranged on the inner wall of the valve body at the position corresponding to the bottom of the valve rod, the valve seat B is provided with a through hole, the valve seat B is in interference fit with the inner wall of the valve body, the metal sealing ring B is arranged below the valve seat B, the inner diameter of the metal sealing ring B is larger than that of the valve seat B, the lower end of the metal sealing ring B extends downwards along the radial direction of the valve body, the valve base is arranged below the metal sealing ring B, a through hole is arranged in the middle of the valve base, the valve base is in threaded connection with the valve body, the top end of the valve base is in a step shape and is matched with the metal sealing ring B, the joints B are respectively arranged on the left side of the valve body and the lower end of the valve base through joint pressing caps, and the inner side of the joint B is clamped with the inner side of the joint pressing caps, the diameter of the clamping part of the joint is larger than that of other parts of the joint;

the extraction kettle comprises a barrel body, a charging barrel, an upper sealing cover, a lower sealing cover and a sealing component B, wherein a plurality of crushing devices are arranged on the inner wall of the charging barrel from top to bottom, the crushing devices are connected with a control cabinet through sensors, the sealing component B further comprises a shell, a sealing cover A, a plug, a first plunger and a second plunger, the top end of the outer wall of the shell of the sealing component B extends 3/4 of the thickness of the barrel wall of the barrel body along the radial direction of the barrel body, the plug is connected with the sealing cover A, the top end of the shell of the sealing component A is clamped with the upper sealing cover, CO2 fluid inlets are arranged on two sides of the shell of the sealing component A, the reverse angle of the CO2 fluid inlets along the horizontal direction is 150 degrees, the wall thickness of the shell of the sealing component A is consistent with the wall thickness of the barrel body, the bottom of the shell of the sealing component A is conical, and the included angle between the bottom of the shell of the sealing component A and the top of the barrel body is 22 degrees, the outer diameter of the sealing cover A is the same as the inner diameter of the sealing assembly A shell, inlets corresponding to a CO2 fluid inlet are arranged on two sides of the plunger, a sealing gasket B is arranged between the plunger I and the sealing cover A, a discharging ring is arranged at the bottom of the outer surface of the plunger I, a filtering layer is arranged at the junction of the plunger I and the plunger II, the filtering layer is buckled with the plunger II through an upper joint of a charging barrel, the plunger I and the plunger II are integrated into a whole, the plunger I and the plunger II are hollow, a plunger sealing ring is arranged on the outer surface of the plunger, the thickness of the barrel wall of the barrel is 1/4 of the diameter of the barrel, the bottom of the barrel is conical, an annular toothed plate is arranged between the charging barrel and the barrel, the annular toothed plate is meshed with the outer surface of the charging barrel, the annular toothed plate is connected with a motor, a sensor is arranged on the motor, and the sensor is connected with a control cabinet, the high same with the barrel height of feed cylinder, bottom top-down is equipped with filter one in proper order in the feed cylinder, filter two, filter screen clamping ring, filter plate one and filter plate two pass through the feed cylinder lower clutch buckle and connect the connection, the feed cylinder lower clutch is fixed to be set up on the feed cylinder inner wall, feed cylinder lower extreme surface connects the upper end with the feed cylinder and corresponds position department and be equipped with sealing ring C, the filter screen clamping ring passes through the detachable mode and sets up in filter two belows, the barrel bottom is the toper, the taper angle is 150 degrees, the fixed setting in the barrel bottom can be dismantled to the lower sealing lid, the contained angle between lower sealing lid and the barrel bottom is 30 degrees, the lower sealing lid top is the obconic, the obconic angle is 150 degrees, the obconic bottom is CO2 fluid outlet.

3. The flower essential oil supercritical extraction apparatus of claim 2, wherein: the bottom of the valve body of the ultrahigh pressure automatic pressure valve is conical, the conical angle is 90 degrees, a guide sealing block extends from the side edge of the conical shape, the diameter of the guide sealing block is smaller than the inner diameter of the valve seat, and a through hole is formed in the side surface of the guide sealing block.

4. The flower essential oil supercritical extraction apparatus of claim 2, wherein: the valve seat is provided with a conical contact surface which is attached to the conical surface at the bottom of the valve rod.

5. The flower essential oil supercritical extraction apparatus according to any one of claims 2-4, wherein: and a sealing ring is arranged on the outer surface of the conical surface at the bottom of the valve body.

6. The flower essential oil supercritical extraction apparatus according to any one of claims 1-4, wherein: the sealing cover A is provided with a sealing ring C.

7. The flower essential oil supercritical extraction apparatus according to any one of claims 2-4, wherein: the ends of the two ends of the upper joint and the lower joint of the charging barrel are hook-shaped.

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