Leaching device for rice bran oil processing

Abstract

The utility model discloses a leaching device for processing rice bran oil. The leaching device comprises a leaching reaction unit, a driving unit, a solvent supply unit, an oil outlet unit and a slag discharging mechanism, the leaching reaction unit comprises a feeding tank, a reaction tank, an extrusion end cover, an auger shaft and a medicine mixer; the feeding tank, the reaction tank and the extrusion end cover secondary flange are connected to form a leaching reaction tank; the auger shaft is coupled in the leaching reaction tank; the medicine mixer is coupled to one end of the auger shaft; the driving unit drives the auger shaft to rotate; the solvent supply unit injects a mixed solvent for leaching oil into the reaction tank; a plurality of reaction tank oil outlet pipes are arranged at the top of the reaction tank; an oil pump and an oil storage tank are arranged in the oil outlet unit; leached oil of the reaction tank is led out from an oil outlet pipe of the reaction tank through an oil pump and then stored in an oil storage tank; the slag discharging mechanism is of a worm and gear structure and drives the extrusion end cover and one side of the reaction tank to be opened or tightly attached and sealed; the rice bran fully reacts with the reaction solvent to improve the oil immersion rate of the rice bran.

Description

Technical Field

[0001] This utility model belongs to the technical field of rice bran oil production equipment, specifically relating to an extraction device for rice bran oil processing. Background Art

[0002] Rice bran oil is a type of rice bran oil produced by pressing or leaching rice bran. The leaching method involves adding a solvent to the crushed rice bran to react with it, and then using a separator to separate the solvent from the rice bran oil, thus obtaining rice bran oil. Leaching equipment is required when leaching rice bran oil.

[0003] Existing rice bran oil extraction equipment uses an extrusion leaching method, which involves the interaction between a drive motor and a rotating rod. Inside the rice bran oil extraction tank, the rice bran reacts with the reaction solvent. However, the reaction solvent cannot be fully mixed with the rice bran inside the extraction tank, resulting in a low rice bran oil extraction rate. Summary of the Invention

[0004] The purpose of this invention is to solve the above-mentioned problems and to provide an extraction device for rice bran oil processing.

[0005] A rice bran oil leaching device includes: a leaching reaction unit, a drive unit, a solvent supply unit, an oil outlet unit, a slag discharge mechanism, and a grounding iron. The leaching reaction unit includes: a feed tank, a reaction tank, an extrusion end cap, a frame, an auger shaft, and a mixer. The feed tank, reaction tank, and extrusion end cap are connected by a secondary flange to form the leaching reaction tank. The auger shaft is shaft-connected to the leaching reaction tank. The leaching reaction tank is fixed to the grounding iron via the frame. The mixer is shaft-connected to one end of the auger shaft. The drive unit drives the auger shaft in the leaching process. The rice bran is rotated, crushed, and extruded in the reaction tank; the solvent supply unit injects a mixed solvent for extracting oil into the reaction tank; the top of the reaction tank is equipped with several oil outlet pipes; the oil outlet unit includes: a guide tube, a main oil pipe, an oil pump, and an oil storage tank; the several oil outlet pipes are connected to the main oil pipe through the guide tube; after the oil in the reaction tank is pumped out by the oil pump, it is temporarily stored in the oil storage tank; the slag discharge mechanism is a worm gear structure, which drives the extrusion end cap and one side of the reaction tank to open or tightly seal.

[0006] The feed tank is provided with a feeding port; a first auger shaft connection is provided on one side of the feed tank; a second auger shaft connection is provided on the other end of the extrusion end cover; the two ends of the auger shaft are respectively shafted into the first auger shaft connection and the second auger shaft connection.

[0007] One end of the auger shaft is a solid shaft, and the other end is a hollow shaft tube. A sealing and waterproof sleeve is fitted inside the second auger shaft joint. The second auger shaft joint is fitted onto the hollow shaft tube through the sealing and waterproof sleeve. The end of the solid shaft of the auger shaft is provided with a drive wheel fixing part, which is located outside the feed tank. The auger shaft is also provided with an auger cutter, an auger spiral, and nozzles. The auger cutter is located directly below the feed port. The auger spiral passes through the feed tank and the reaction tank. The auger spiral is tightly fitted with the spiral cutter teeth. Several nozzles are provided, and the nozzles are evenly distributed on the auger shaft.

[0008] The reaction vessel is provided with a second flange on one side, and a number of flange positioning pins are provided on the second flange; one end of the extrusion end cover is provided with an extrusion vessel flange; the extrusion vessel flange is provided with flange positioning holes; the number and position of the flange positioning holes correspond to the flange positioning pins; the other end of the second auger shaft connection is an externally threaded pipe; the slag discharge mechanism includes: a slag discharge mechanism frame, a worm wheel, a worm shaft connection frame, a worm, and a worm drive motor; the worm wheel is sleeved on the externally threaded pipe; the worm meshes with the worm wheel; the rotating shaft of the worm drive motor is connected to the worm; the worm drive motor drives the worm wheel to rotate; the worm wheel drives the extrusion end cover to slide on the hollow shaft tube; the end of the hollow shaft tube is connected to the sealing shaft of the mixer; the mixer is connected to the nozzle pipeline through the hollow shaft tube.

[0009] The drive unit includes: an auger drive motor, a main drive pulley, a transmission belt, a driven pulley, and a protective cover; the driven pulley is fixed on the drive wheel fixing part; the auger drive motor drives the driven pulley to rotate through the transmission belt; the driven pulley drives the auger shaft to rotate; the protective cover covers and fastens the main drive pulley and the driven pulley.

[0010] The solvent supply unit includes: a water pump, a water pipe, a reagent tank, and a reagent pump; the water pump is connected to the other end of the mixer via the water pipe; the mixer is equipped with a reagent filling port at the top, and the reagent in the reagent tank is injected from the reagent filling port through the reagent pump; the water pump sprays the mixed solvent into the reaction tank.

[0011] The ground level is also equipped with a control console on one side, and an auger drive motor, a water supply pump, and a medicine supply pump are installed; the oil pump and the worm gear drive motor are electrically connected to the control console.

[0012] This technical solution provides a rice bran oil extraction device, comprising: an extraction reaction unit, a drive unit, a solvent supply unit, an oil outlet unit, and a slag discharge mechanism. The extraction reaction unit includes: a feed tank, a reaction tank, an extrusion end cap, an auger shaft, and a mixer. The feed tank, reaction tank, and extrusion end cap are connected by a secondary flange to form the extraction reaction tank. The auger shaft is shaft-connected within the extraction reaction tank. The mixer is shaft-connected to one end of the auger shaft. The drive unit drives the auger shaft to rotate. The solvent supply unit injects a mixed solvent for extracting the oil into the reaction tank. Several oil outlet pipes are provided at the top of the reaction tank. The oil outlet unit includes an oil pump and an oil storage tank. The extracted oil from the reaction tank is drawn from the oil outlet pipes through the oil pump and stored in the oil storage tank. The slag discharge mechanism is a worm gear structure, which drives the extrusion end cap and one side of the reaction tank to open or tightly seal, allowing the rice bran to fully react with the reaction solvent and improving the rice bran oil extraction rate. Attached Figure Description

[0013] Figure 1 This is an overall schematic diagram of an extraction device for processing rice bran oil according to this utility model;

[0014] Figure 2 This is a partial sectional view of an extraction device for processing rice bran oil according to this utility model;

[0015] Figure 3 This is a partial sectional view of the reaction auger shaft of an extraction device for rice bran oil processing according to this utility model;

[0016] Figure 4 This is a partial cross-sectional view of the leaching reaction tank of an leaching device for rice bran oil processing according to this utility model;

[0017] Figure 5 This is a partial cross-sectional view of the leaching reaction tank of an leaching device for rice bran oil processing according to this utility model;

[0018] Figure 6 This is a partial schematic diagram of the slag discharge mechanism of an leaching device for rice bran oil processing according to this utility model;

[0019] In the diagram: 11. Feed tank; 111. Feed inlet; 112. First auger shaft connection; 113. Feed tank flange; 12. Reactor; 121. First flange of reactor; 122. Second flange of reactor; 1221. Flange positioning pin; 123. Helical reamer teeth; 124. Oil outlet pipe of reactor; 13. Extrusion end cap; 131. Extrusion tank flange; 1311. Flange positioning hole; 132. Second auger shaft connection; 1321. External threaded pipe; 14. Frame; 15. Auger shaft; 1511. Drive wheel fixing part; 152. Hollow shaft tube; 153. Auger reamer. 154. Screwdriver Helix; 155. Nozzle; 16. Mixer; 17. Slag Discharge Tank; 21. Screwdriver Drive Motor; 22. Main Drive Pulley; 23. Transmission Belt; 24. Driven Pulley; 25. Protective Cover; 31. Water Pump; 32. Water Supply Pipe; 33. Chemical Tank; 34. Chemical Supply Pump; 41. Drainage Tube; 42. Oil Main Pipe; 43. Oil Pump; 44. Oil Storage Tank; 51. Slag Discharge Mechanism Frame; 52. Worm Gear; 521. Worm Gear Shaft Connection; 53. Worm Shaft Connection Frame; 54. Worm; 55. Worm Drive Motor; 6. Output Oil Pump; 8. Control Console; 9. Leveling Iron. DETAILED DESCRIPTION

[0020] The technical solution will be further described clearly and completely below with reference to the accompanying drawings. The described embodiments are only a part of the technical solution, not all of the embodiments. All other embodiments obtained by those skilled in the art based on this technical solution without creative effort are within the scope of protection of this utility model. Example

[0021] See Figures 1 to 6 As shown, a rice bran oil leaching device includes: a leaching reaction unit, a drive unit, a solvent supply unit, an oil outlet unit, a slag discharge mechanism, a control console 8, and a ground iron 9;

[0022] The leaching reaction unit includes: a feed tank 11, a reaction tank 12, a compression end cap 13, a frame 14, an auger shaft 15, a mixer 16, and a slag discharge tank 17;

[0023] Both the feed tank 11 and the reaction tank 12 are cylindrical tubular components; the feed tank 11, the reaction tank 12, and the extrusion end cap 13 are connected in sequence by flanges; the feed tank 11, the reaction tank 12, and the extrusion end cap 13 constitute a leaching reaction tank; the feed tank 11, the reaction tank 12, and the extrusion end cap 13 are fixed on the frame 14; the frame 14 is fixed on the ground level 9;

[0024] The feed tank 11 is provided with a feeding port 111; rice bran raw material is fed in through the feeding port 111; a first auger shaft connection 112 is provided on one side of the feed tank 11; a feed tank flange 113 is provided on the other side of the feed tank 11;

[0025] The reaction vessel 12 is provided with a first flange 121 and a second flange 122 at both ends; a plurality of flange positioning pins 1221 are provided on one annular end face of the second flange 122; a spiral hinge tooth 123 is provided on the inner wall of the reaction vessel 12; and a plurality of oil outlet pipes 124 are provided on the top of the reaction vessel 12.

[0026] The extrusion end cap 13 is provided with an extrusion tank flange 131 at one end; the extrusion tank flange 131 is provided with flange positioning holes 1311; the number and position of the flange positioning holes 1311 correspond to the flange positioning pins 1221; the other end of the extrusion end cap 13 is provided with a second auger shaft connection 132; the inner side of the extrusion end cap 13 is a tapered end face; the vertical surface of the inner side of the extrusion end cap 13 is provided with an anti-stick flange 134;

[0027] The inner surface of the extrusion end cap 13 is coated with polyester fiber, which facilitates the removal of rice bran cake residue after extrusion.

[0028] The other end of the second auger shaft connection 132 is an externally threaded pipe 1321; the length of the externally threaded pipe 1321 is greater than the length of the flange positioning pin 1221;

[0029] The feed tank flange 113 and the first flange 121 of the reaction tank are fastened together by bolts; the flange positioning pin 1221 is sleeved in the flange positioning hole 1311; the extrusion tank flange 131 and the second flange 122 of the reaction tank are tightly fitted and sealed.

[0030] One end of the auger shaft 15 is a solid shaft, and the other end is a hollow shaft tube 152. The solid shaft of the auger shaft 15 is connected to the first auger shaft joint 112. A sealing and waterproof sliding sleeve 134 is sleeved inside the second auger shaft joint 132. The second auger shaft joint 132 is sleeved on the hollow shaft tube 152 through the sealing and waterproof sliding sleeve 134. The end of the solid shaft of the auger shaft 15 is provided with a drive wheel fixing part 1511, which is located outside the feed tank 11.

[0031] The auger shaft 15 is also provided with an auger cutter 153, an auger spiral 154 and a nozzle 155 on its shaft body; the auger cutter 153 is located directly below the feed port 111; the auger spiral 154 passes through the feed tank 11 and the reaction tank 12; the auger spiral 154 is in close contact with the spiral tooth 123; the nozzle 155 is conical, and there are several nozzles 155, which are evenly distributed on the shaft body of the auger shaft 15;

[0032] The mixer 16 is fixed to one end of the frame 14; the end of the hollow shaft tube 152 is sealed to the mixer 16; the mixer 16 is connected to the nozzle 155 through the hollow shaft tube 152.

[0033] The slag discharge trough 17 is placed below the extrusion end cap 13.

[0034] The drive unit includes: an auger drive motor 21, a main drive pulley 22, a transmission belt 23, a driven pulley 24, and a protective cover 25;

[0035] The auger drive motor 21 is fixed to the ground level 9; the main drive pulley 22 is fixedly connected to the rotating shaft of the auger drive motor 21; the driven pulley 24 is fixed to the drive wheel fixing part 1511; the main drive pulley 22 and the driven pulley 24 are connected by a transmission belt 23; the protective cover 25 covers the main drive pulley 22 and the driven pulley 24; that is, the auger drive motor 21 drives the driven pulley 24 to rotate through the transmission belt 23; the driven pulley 24 drives the auger shaft 15 to rotate.

[0036] The solvent supply unit includes: a water supply pump 31, a water supply pipe 32, a reagent tank 33, and a reagent supply pump 34;

[0037] The water supply pump 31 is connected to the other end of the mixer 16 via the water supply pipe 32; the mixer 16 is provided with a drug filling port 161 at the upper end, and the drug tank 33 is connected to the drug filling port 161 via the drug supply pump 34.

[0038] Both the water supply pump 31 and the drug supply pump 34 are unidirectional pumps. The water supply pump 31 and the drug supply pump 34 inject the mixed solvent for oil production into the reaction tank 12 through the screw shaft 15.

[0039] The oil outlet unit includes: a thin drain tube 41, a main oil outlet tube 42, an oil pump 43, and an oil storage tank 44;

[0040] The number of the diversion capillary tubes 41 is the same as the number of oil outlet pipes 124 of the reaction tank, and the structure of the several diversion capillary tubes 41 is the same; one end of the diversion capillary tube 41 is connected to the oil outlet pipe 124 of the reaction tank; the other end of the diversion capillary tube 41 is connected to the main oil inlet pipe 42; the main oil inlet pipe 42 is connected to the oil storage tank 44 through the oil pump 43; after the grease in the reaction tank 12 is pumped out by the oil pump 43, it is temporarily stored in the oil storage tank 44.

[0041] The slag unloading mechanism includes: a slag unloading mechanism frame 51, a worm gear 52, a worm shaft connection frame 53, a worm 54, and a worm drive motor 55;

[0042] The worm wheel 52 has a worm wheel shaft connection 521 on one side, which is shaft-connected to the slag discharge mechanism frame 51; the worm wheel 52 is sleeved on the external threaded pipe 1321; the worm 54 is shaft-connected to the worm shaft connection frame 53; the worm 54 meshes with the worm wheel 52; the rotating shaft of the worm drive motor 55 is connected to the worm 54; the worm drive motor 55 drives the worm wheel 52 to rotate; the worm wheel 52 drives the extrusion end cover 13 to slide on the hollow shaft tube 152; that is, the extrusion tank flange 131 and the reaction tank second flange 122 are opened or tightly sealed through the slag discharge mechanism.

[0043] An output oil pump 6 is optionally installed on one side of the oil storage tank 44. The rice bran oil in the oil storage tank 44 is transported to the oil-water separation equipment through the output oil pump 6. The oil-water mixture in the oil storage tank 44 is then further purified by the oil-water separation equipment.

[0044] The control console 8 is located on one side of the ground level 9. The auger drive motor 21, water supply pump 31, and medicine supply pump 34 are electrically connected to the control console 8. The oil pump 43, worm gear drive motor 55, and output oil pump 6 control the operation of this rice bran oil processing leaching device.

Claims

1. An extraction apparatus for rice bran oil processing, comprising: The leaching reaction unit comprises a leaching reaction unit, a drive unit, a solvent supply unit, an oil outlet unit, a slag discharge mechanism, and a ground level (9); characterized in that: the leaching reaction unit includes: a feed tank (11), a reaction tank (12), an extrusion end cap (13), a frame (14), an auger shaft (15), and a mixer (16); the feed tank (11), the reaction tank (12), and the extrusion end cap (13) are sequentially flange-connected to form the leaching reaction tank; the auger shaft (15) is shaft-connected in the leaching reaction tank; the leaching reaction tank is fixed on the ground level (9) via the frame (14); the mixer (16) is shaft-connected to one end of the auger shaft (15); the drive unit drives the auger shaft (15) in the leaching reaction tank. The rice bran is crushed and squeezed by rotation; the solvent supply unit injects a mixed solvent for extracting oil into the reaction tank (12); the top of the reaction tank (12) is provided with several reaction tank oil outlet pipes (124); the oil outlet unit includes: a guide tube (41), an oil main tube (42), an oil pump (43), and an oil storage tank (44); several reaction tank oil outlet pipes (124) are connected to the oil main tube (42) through the guide tube (41); after the oil in the reaction tank (12) is pumped out by the oil pump (43), it is temporarily stored in the oil storage tank (44); the slag discharge mechanism is a worm gear structure, and the slag discharge mechanism drives the extrusion end cap (13) and one side of the reaction tank (12) to open or tightly seal.

2. The leaching apparatus for rice bran oil processing according to claim 1, characterized in that: The feed tank (11) is provided with a feeding port (111), and the rice bran raw material is fed into the leaching reaction tank through the feeding port (111); a first auger shaft connection (112) is provided on one side of the feed tank (11); a second auger shaft connection (132) is provided on the other end of the extrusion end cap (13); the two ends of the auger shaft (15) are respectively shafted into the first auger shaft connection (112) and the second auger shaft connection (132).

3. The leaching apparatus for rice bran oil processing according to claim 2, characterized in that: One end of the auger shaft (15) is a solid shaft, and the other end is a hollow shaft tube (152); a sealing waterproof sleeve (134) is fitted inside the second auger shaft joint (132); the second auger shaft joint (132) is fitted onto the hollow shaft tube (152) through the sealing waterproof sleeve (134); the end of the solid shaft of the auger shaft (15) is provided with a drive wheel fixing part (1511), and the drive wheel fixing part (1511) is located in the feed tank (11). Outside the tank; the shaft of the auger shaft (15) is also equipped with an auger cutter (153), an auger spiral (154) and a nozzle (155); the auger cutter (153) is located directly below the feed inlet (111); the auger spiral (154) passes through the feed tank (11) and the reaction tank (12); the auger spiral (154) is closely fitted with the spiral tooth (123); there are several nozzles (155), and several nozzles (155) are evenly distributed on the shaft of the auger shaft (15).

4. The leaching apparatus for rice bran oil processing according to claim 3, characterized in that: The reaction vessel (12) is provided with a second flange (122) on one side, and a number of flange positioning pins (1221) are provided on the second flange (122); the extrusion end cover (13) is provided with an extrusion vessel flange (131) at one end; the extrusion vessel flange (131) is provided with flange positioning holes (1311); the number and position of the flange positioning holes (1311) correspond to the flange positioning pins (1221); the other end of the second auger shaft connection (132) is an external threaded pipe (1321); the slag discharge mechanism includes: a slag discharge mechanism frame (51), a worm gear (52), and a worm. Shaft connector (53), worm (54), worm drive motor (55); worm wheel (52) is sleeved on external threaded tube (1321); worm (54) meshes with worm wheel (52); the rotating shaft of worm drive motor (55) is connected to worm (54); worm drive motor (55) drives worm wheel (52) to rotate; worm wheel (52) drives extrusion end cap (13) to slide on hollow shaft tube (152); the end of hollow shaft tube (152) is sealed shaft connected to mixer (16); mixer (16) is connected to nozzle (155) through hollow shaft tube (152).

5. The leaching apparatus for rice bran oil processing according to claim 4, characterized in that: The drive unit includes: an auger drive motor (21), a main drive pulley (22), a transmission belt (23), a driven pulley (24), and a protective cover (25); the driven pulley (24) is fixed on the drive wheel fixing part (1511); the auger drive motor (21) drives the driven pulley (24) to rotate through the transmission belt (23); the driven pulley (24) drives the auger shaft (15) to rotate; the protective cover (25) covers and fastens the drive pulley (22) and the driven pulley (24).

6. The leaching apparatus for rice bran oil processing according to claim 5, characterized in that: The solvent supply unit includes: a water pump (31), a water pipe (32), a reagent tank (33), and a drug supply pump (34); the water pump (31) is connected to the other end of the mixer (16) through the water pipe (32); the mixer (16) is provided with a drug filling port (161) at the upper end, and the drug in the reagent tank (33) is injected from the drug filling port (161) through the drug supply pump (34); the water pump (31) sprays the mixed solvent into the reaction tank (12).

7. The leaching apparatus for rice bran oil processing according to claim 6, characterized in that: A control panel (8) is also provided on one side of the ground rail (9). The auger drive motor (21), water pump (31), medicine pump (34), oil pump (43) and worm drive motor (55) are electrically connected to the control panel (8).

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