CN218306297U - High-pressure forced feeding device for supercritical continuous extraction of animal and plant materials - Google Patents
High-pressure forced feeding device for supercritical continuous extraction of animal and plant materials Download PDFInfo
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- CN218306297U CN218306297U CN202222429494.8U CN202222429494U CN218306297U CN 218306297 U CN218306297 U CN 218306297U CN 202222429494 U CN202222429494 U CN 202222429494U CN 218306297 U CN218306297 U CN 218306297U
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Abstract
The utility model belongs to the technical field of the supercritical fluid extraction feeding, especially, relate to an animal and plant material supercritical fluid extraction high pressure forces feed arrangement in succession, including even feed mechanism, be located the compression of even feed mechanism exit level setting and force high-pressure feed mechanism, the compression forces high-pressure feed mechanism center to run through and is equipped with the screw axis, the screw axis links to each other with drive mechanism, the compression forces high-pressure feed mechanism to include the feeding low-pressure section, pushes away material compression pressure boost section and compression pressure boost and forces the feeding section, compression pressure boost forces the feeding section outside to be equipped with and is used for the refrigerated clamp cover, compression pressure boost forces feeding section bottom to be equipped with the forced feed discharge gate that links to each other with the extractor, the utility model discloses with the material at the propulsion in-process of multistage variable pitch's screw axis further compression, it is regional to get into even stable pressure to resist the thrust of supercritical fluid pressure in the extractor, realize continuous feeding, need not release extractor internal pressure during, reduce the energy consumption.
Description
Technical Field
The utility model belongs to the technical field of the supercritical fluid extraction feeding, especially, relate to a feeding device is forced to supercritical continuous extraction high pressure of animal and plant material.
Background
Because the extractor internal pressure is higher in the middle of the process of the plant and animal material supercritical extraction, only intermittent feeding can be adopted during extraction, and feeding can be started only after the extractor internal pressure needs to be released in the process, so that the energy consumption is increased, frequent pressure relief and pressure boosting are needed, the increase of the extraction efficiency and the energy consumption is influenced, the operation is unstable easily, and the control of material extraction is not facilitated.
Disclosure of Invention
The utility model aims at providing a feeding device is forced to supercritical continuous extraction high pressure of animal and plant material utilizes the compression to force high pressure feeding device with the material by further compression in the propulsion process of multistage variable pitch's screw axis, gets into evenly, the steady pressure is regional to resist the thrust of supercritical fluid pressure in the extractor, the material is pushed into the extractor, carries out the continuous feeding, need not release extractor internal pressure during, reduces the energy consumption.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a high-pressure forced feeding device for supercritical continuous extraction of animal and plant materials comprises a uniform feeding mechanism and a compression forced high-pressure feeding mechanism horizontally arranged at an outlet of the uniform feeding mechanism, wherein the feeding mechanism and the compression forced high-pressure feeding mechanism are arranged on a rack, a screw shaft penetrates through the center of the compression forced high-pressure feeding mechanism and is connected with a transmission mechanism, the compression forced high-pressure feeding mechanism comprises a feeding low-pressure section, a material pushing compression pressurization section and a compression pressurization forced feeding section, a jacket for cooling is arranged outside the compression pressurization forced feeding section, an end cover is arranged at the end of the compression pressurization forced feeding section, and a forced feeding discharge port connected with an extractor is arranged at the bottom of the compression pressurization forced feeding section.
Further, the feeding low pressure section outside is equipped with cylindrical casing, it forms by the semicircular keel skeleton lock of longitudinal symmetry to push away the outside casing of material compression pressure boost section, and the circumference forms by the concatenation of square billet in the keel skeleton, the screw axis is located and pushes away the inside part of material compression pressure boost section and establish to multistage variable pitch, reducing structure, pushes away material compression pressure boost section bottom and still is equipped with the catch tray.
Furthermore, the screw shafts of the multi-stage variable-pitch and variable-diameter structures are of three-stage variable-pitch and variable-diameter structures, the cross section of each stage of the screw shaft is an isosceles trapezoid with gradually-wide diameter, and the diameter of each stage of the screw shaft is sequentially increased along the discharging direction.
Furthermore, the compression and pressurization forced feeding section shell is a pressure container part of a three-way structure and comprises a front section horizontal section, a middle section vertical forced feeding discharge port and a rear section horizontal section, the front section horizontal section is connected with the material pushing compression and pressurization section shell through a pressure-bearing flange, a middle section vertical section outlet is connected with an extraction tank inlet through a pressure flange, a cake crushing mechanism is arranged in the rear section horizontal section, the cake crushing mechanism is of a claw type structure and is sleeved outside a transmission shaft to synchronously rotate with the transmission shaft, the cake crushing mechanism is positioned above the middle section vertical forced feeding discharge port, the rear section horizontal section is also provided with an adjusting mechanism, the adjusting mechanism comprises a bearing group and a seal arranged inside the adjusting mechanism, the adjusting mechanism further comprises a mechanical seal and an end cover arranged at the shaft end, and an end face sealing gasket is arranged between the end cover and the shaft end mechanical seal.
Further, feed mechanism includes horizontal pay-off auger and vertical feed auger, and horizontal pay-off auger casing upper portion is equipped with the feed inlet, horizontal pay-off auger and vertical feed auger are driven by motor reducer, and horizontal pay-off auger drive mechanism includes the motor and the speed reducer that links to each other with the motor, and the speed reducer output still is equipped with the auger delivery hank leaf, carries the material to vertical feed auger, vertical feed auger drive mechanism includes the motor and the speed reducer that links to each other with the motor, and the speed reducer output still is equipped with the auger delivery hank leaf and sends the material that horizontal pay-off auger sent over in the compression forces high pressure feed mechanism in continuous even.
Furthermore, the transmission shaft and the screw shaft are integrally formed or the screw shaft is arranged outside the transmission shaft, the left end part of the transmission shaft is connected with the output end of the speed reducer of the transmission mechanism, the right end part of the transmission shaft is provided with a heat exchange medium conveying pipe and a heat exchange medium collecting hopper, and the heat exchange medium conveying pipe is connected into a heat exchange medium through a rotary joint.
Furthermore, a heat exchange medium inlet and a heat exchange medium outlet are arranged on the jacket.
Furthermore, a circle of wear-resistant ring is arranged in the shell on the left side of the rear horizontal section.
The working principle is as follows: animal and plant materials enter the high-pressure forced feeding device from the upper uniform feeding mechanism through the high-pressure forced feeding device, the materials are further compressed in the propelling process of the multistage variable-pitch screw shaft and enter a uniform and stable pressure area so as to resist the thrust of the supercritical fluid pressure in the extractor, and the materials are pushed into the extractor.
The utility model has the advantages that:
1. the device provides a uniform feeding mechanism suitable for high-pressure operation, is suitable for various materials, improves the feeding efficiency of high-pressure materials and stabilizes the yield;
2. the device provides a feeding device which can continuously push materials into the extractor after the materials are subjected to multi-stage compression from a normal pressure state through a multi-stage variable-pitch and variable-diameter screw shaft to become a high pressure state capable of resisting the pressure thrust in the extractor, and can perform multi-stage adjustment according to different using pressure conditions of the extractor, thereby realizing continuous feeding and reducing energy consumption;
3. this device can guarantee the low temperature feeding at whole feeding in-process, prevents that material activity from being destroyed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
As shown in figure 1, the high-pressure forced feeding device for the supercritical continuous extraction of animal and plant materials comprises a uniform feeding mechanism, wherein the uniform feeding mechanism comprises a horizontal feeding auger 1 and a vertical feeding auger 2, a feeding port is formed in the upper part of a shell of the horizontal feeding auger 1, the horizontal feeding auger 1 and the vertical feeding auger 2 are both driven by a motor reducer, a horizontal feeding auger transmission mechanism comprises a motor and a speed reducer connected with the motor, a spiral conveying twisted blade is further arranged at the output end of the speed reducer and used for conveying the materials to the vertical feeding auger, the vertical feeding auger transmission mechanism comprises a motor and a speed reducer connected with the motor, and the spiral conveying twisted blade is further arranged at the output end of the speed reducer and used for continuously and uniformly conveying the materials conveyed by the horizontal feeding auger into a compression forced high-pressure feeding mechanism; the feeding mechanism and the compression forced high-pressure feeding mechanism are arranged on the rack, the center of the compression forced high-pressure feeding mechanism is provided with a screw shaft 8 in a penetrating manner, the screw shaft 8 is sleeved outside a transmission shaft 24 in the embodiment, the screw shaft and the transmission shaft can also be arranged into an integrally formed structure according to the use requirement, the transmission shaft 24 is a hollow shaft, the left end part of the transmission shaft 24 is connected with the output end of a speed reducer of the transmission mechanism 3, the right end part of the transmission shaft 24 is provided with a heat exchange medium conveying pipe 14 and a heat exchange medium collecting hopper 16, the heat exchange medium conveying pipe 14 is blocked by a rotary joint 15, the compression forced high-pressure feeding mechanism comprises a feeding low-pressure section 4, a material pushing compression pressurizing section 5 and a compression pressurized feeding section 10, the outside of the compression pressurized feeding section 10 is provided with a jacket for cooling, the end part of the compression pressurized feeding section is provided with an end cover 22, the jacket is provided with a heat exchange medium inlet 12 and a heat exchange medium outlet 13, and the bottom of the compression pressurized feeding section 10 is provided with a forced discharging port 6 connected with an extractor; the feeding low-pressure section 4 is externally provided with a cylindrical shell, the shell outside the pushing compression pressurizing section 5 is formed by buckling semi-annular keel frameworks which are symmetrical up and down, the inner circumference of each keel framework is formed by splicing square steel bars 9, the bottom of the pushing compression pressurizing section 5 is also provided with a liquid collecting disc 7, the part, located inside the pushing compression pressurizing section, of the screw shaft 8 is of a multistage variable-pitch and variable-diameter structure, the screw shaft of the multistage variable-pitch and variable-diameter structure is specifically of a three-stage variable-pitch and variable-diameter structure, the cross section of each screw shaft is of an isosceles trapezoid with gradually wide diameter, and the diameter of each screw shaft is sequentially increased along the discharging direction; the shell of the compression pressurization forced feeding section 10 is a pressure container part of a three-way structure and comprises a front section horizontal section, a middle section vertical forced feeding discharge port and a rear section horizontal section, the front section horizontal section is connected with the shell of the pushing compression pressurization section through a pressure-bearing flange, a middle section vertical section outlet is connected with an extraction tank inlet through a pressure flange, a cake crushing mechanism 11 is arranged in the rear section horizontal section, the cake crushing mechanism 11 is of a claw type structure and is sleeved outside a transmission shaft 24 to synchronously rotate with the transmission shaft, the cake crushing mechanism 11 is positioned above the middle section vertical forced feeding discharge port 6, the rear section horizontal section is also provided with an adjusting mechanism 17, the adjusting mechanism 17 comprises a bearing set 19 and a seal 20 which are arranged inside, the adjusting mechanism further comprises a mechanical seal 21 and an end cover 22 which are arranged at the shaft ends, an end face seal gasket 23 is also arranged between the end cover 22 and the mechanical seal, and a circle of wear-resistant ring 18 is also arranged in the shell at the left side of the rear section horizontal section.
When the device is used specifically, materials enter the vertical feeding auger 2 from the horizontal feeding auger 1, then the materials are input into the feeding low-pressure section 4 of the compression forced high-pressure feeding mechanism by the vertical feeding auger 2, the materials are pushed into the material pushing compression pressurization section 5 under the action of the transmission mechanism 3 of the compression forced high-pressure feeding mechanism, the solid materials pass through the multistage screw shaft 8 and the square steel bar 9 to form compacted cake meal in the compression pressurization forced feeding section 6 of the compression forced high-pressure feeding mechanism, and then the cake meal is smashed by the cake smashing mechanism 11 and then enters the extractor. Liquid extruded out of the material pushing compression pressurizing section 5 flows into a liquid collecting tray 7 at the bottom from a keel type framework of the material pushing compression pressurizing section; in the cooling system of the device, a jacket is arranged on the outer side of a shell of a compression pressurizing forced feeding section 6, an inlet 12 is arranged for introducing cooling medium, an outlet 13 is arranged for recovering the cooling medium, a cooling medium conveying pipe 14 is inserted into the tail part of a hollow shaft 24, the tail part of the conveying pipe 14 is connected to a rotary joint 15 for introducing the cooling medium, and a cooling medium collecting hopper 16 is arranged at the tail part of the hollow shaft pipe; the adjusting mechanism 17 is used for adjusting the gap between the screw shaft 8 and the wear-resistant ring 18, and is used for adjusting the uniform and stable pressure of the material in the material pushing process so as to resist the thrust of the supercritical fluid pressure in the extractor, a bearing group 19 and a seal 20 are arranged in the adjusting mechanism 17 to prevent a large amount of material from entering a bearing chamber, and then the end pressure of the adjusting device is ensured not to leak through a shaft end mechanical seal 21, an end cover 22 and an end face seal gasket 23.
Claims (8)
1. The utility model provides an animal and plant materials supercritical continuous extraction high pressure forces feed arrangement which characterized in that: the automatic material feeding device comprises an even feeding mechanism and a compression forced high-pressure feeding mechanism which is horizontally arranged at an outlet of the even feeding mechanism, wherein the feeding mechanism and the compression forced high-pressure feeding mechanism are arranged on a rack, a spiral shaft penetrates through the center of the compression forced high-pressure feeding mechanism and is connected with a transmission mechanism, the compression forced high-pressure feeding mechanism comprises a feeding low-pressure section, a material pushing compression pressurization section and a compression pressurization forced feeding section, a jacket for cooling is arranged outside the compression pressurization forced feeding section, an end cover is arranged at the end part of the compression pressurization forced feeding section, and a forced feeding discharge hole connected with an extractor is arranged at the bottom of the compression pressurization forced feeding section.
2. The plant and animal material supercritical continuous extraction high-pressure forced feeding device according to claim 1, characterized in that: the feeding low pressure section outside is equipped with cylindrical casing, it forms by the semicircular keel frame lock of longitudinal symmetry to push away the outside casing of material compression pressure boost section, and the circumference forms by the concatenation of square billet in the keel frame, the screw axis is located and pushes away the inside part of material compression pressure boost section and establish to multistage variable pitch, reducing structure, pushes away material compression pressure boost section bottom and still is equipped with the catch tray.
3. The plant and animal material supercritical continuous extraction high-pressure forced feeding device of claim 2, characterized in that: the screw shaft with the multistage variable-pitch and variable-diameter structure is of a three-stage variable-pitch and variable-diameter structure, the cross section of each stage of screw shaft is of an isosceles trapezoid with gradually-wide diameter, and the diameter of each stage of screw shaft is sequentially increased along the discharging direction.
4. The plant and animal material supercritical continuous extraction high-pressure forced feeding device according to claim 3, characterized in that: the shell of the compression and pressurization forced feeding section is a pressure container part of a three-way structure and comprises a front section horizontal section, a middle section vertical forced feeding discharge port and a rear section horizontal section, wherein the front section horizontal section is connected with the shell of the pushing and compression pressurization section through a pressure-bearing flange, a middle section vertical section outlet is connected with an extraction tank inlet through a pressure flange, a cake breaking mechanism is arranged in the rear section horizontal section, the cake breaking mechanism is of a claw-type structure and is sleeved outside a transmission shaft to synchronously rotate with the transmission shaft, the cake breaking mechanism is positioned above the middle section vertical forced feeding discharge port, the rear section horizontal section is also provided with an adjusting mechanism, the adjusting mechanism comprises a bearing set and a seal which are arranged inside, the adjusting mechanism further comprises a mechanical seal and an end cover which are arranged at the shaft end, and an end face seal gasket is arranged between the end cover and the mechanical seal.
5. The plant and animal material supercritical continuous extraction high-pressure forced feeding device according to claim 4, characterized in that: the feeding mechanism comprises a horizontal feeding auger and a vertical feeding auger, a feeding port is formed in the upper portion of a shell of the horizontal feeding auger, and the horizontal feeding auger and the vertical feeding auger are driven by a motor speed reducer.
6. The plant and animal material supercritical continuous extraction high-pressure forced feeding device according to claim 5, characterized in that: the transmission shaft and the screw shaft are integrally formed or the screw shaft is arranged outside the transmission shaft, the transmission shaft is a hollow shaft, the left end part of the transmission shaft is connected with the output end of the speed reducer of the transmission mechanism, the right end part of the transmission shaft is provided with a heat exchange medium conveying pipe and a heat exchange medium collecting hopper, and the heat exchange medium conveying pipe is connected into a heat exchange medium through a rotary joint.
7. The plant and animal material supercritical continuous extraction high-pressure forced feeding device of claim 6, characterized in that: and the jacket is provided with a heat exchange medium inlet and a heat exchange medium outlet.
8. The plant and animal material supercritical continuous extraction high-pressure forced feeding device of claim 7, characterized in that: and a circle of wear-resistant ring is also arranged in the shell on the left side of the rear-section horizontal section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429494.8U CN218306297U (en) | 2022-09-14 | 2022-09-14 | High-pressure forced feeding device for supercritical continuous extraction of animal and plant materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429494.8U CN218306297U (en) | 2022-09-14 | 2022-09-14 | High-pressure forced feeding device for supercritical continuous extraction of animal and plant materials |
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| Publication Number | Publication Date |
|---|---|
| CN218306297U true CN218306297U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222429494.8U Active CN218306297U (en) | 2022-09-14 | 2022-09-14 | High-pressure forced feeding device for supercritical continuous extraction of animal and plant materials |
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| CN (1) | CN218306297U (en) |
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2022
- 2022-09-14 CN CN202222429494.8U patent/CN218306297U/en active Active
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