CN116254149B - Production process for separating and extracting rice bran oil by utilizing waste rice bran of rice crops and oil refining equipment - Google Patents
Production process for separating and extracting rice bran oil by utilizing waste rice bran of rice crops and oil refining equipment Download PDFInfo
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- CN116254149B CN116254149B CN202310091335.8A CN202310091335A CN116254149B CN 116254149 B CN116254149 B CN 116254149B CN 202310091335 A CN202310091335 A CN 202310091335A CN 116254149 B CN116254149 B CN 116254149B
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- 235000019198 oils Nutrition 0.000 title claims abstract description 137
- 241000209094 Oryza Species 0.000 title claims abstract description 96
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 96
- 235000009566 rice Nutrition 0.000 title claims abstract description 96
- 235000019774 Rice Bran oil Nutrition 0.000 title claims abstract description 37
- 239000008165 rice bran oil Substances 0.000 title claims abstract description 37
- 238000007670 refining Methods 0.000 title claims abstract description 34
- 239000002699 waste material Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 15
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- 239000002351 wastewater Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 12
- 238000001223 reverse osmosis Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 230000002776 aggregation Effects 0.000 claims description 8
- 238000004220 aggregation Methods 0.000 claims description 8
- 239000010779 crude oil Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/16—Refining fats or fatty oils by mechanical means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention relates to the technical field of rice bran oil refining, and discloses a production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops. According to the production process and the oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, water vapor has a certain flow velocity to drive rice bran to move to the right side of a mixing channel, and the water vapor is slowly gathered at the right end part of the mixing channel, so that on one hand, the heating time of the rice bran is conveniently increased, on the other hand, the air pressure is raised, and part of gas mixture at a gathering part is conveniently introduced into a discharging part, so that the process is applicable to different working conditions, and better use prospect is brought.
Description
Technical Field
The invention relates to the technical field of rice bran oil refining, in particular to a production process for separating and extracting rice bran oil by utilizing waste rice bran of rice crops and oil refining equipment.
Background
The total yield of the paddy in China is about 1.98 hundred million tons, more than 990 ten thousand tons of rice bran can be produced by processing polished rice (the bran yield is calculated as 5 percent), and the rice bran resources are extremely rich; the crude brown rice contains bran 5-8%, and rice bran contains oil 18-22%, and has similar content to soybean, and can be used for preparing 170-kiloton rice bran oil.
The existing rice bran oil refining is commonly used for a spiral oil press, a material embryo is continuously pushed inwards by utilizing the rotation of a screw press to press, rice bran heating pretreatment is needed before the spiral oil press is used for oil pressing, the heated rice bran is high in stability and convenient to press, and common heating modes include extrusion puffing, fluidized bed drying, microwave heating, chemical passivation and the like, but the process is time-consuming and labor-consuming, the working procedure is complex, and the treatment cost is increased; secondly, the barrel of the screw oil press is easy to accumulate oil, if the barrel is polluted by cleaning at an irregular period, the waste of crude oil resources is caused, and the treatment is troublesome; crude oil coming out of the screw press cannot be immediately refined.
Therefore, we propose a production process and refining equipment for separating and extracting rice bran oil by using waste rice bran of rice crops.
Disclosure of Invention
The invention mainly aims to provide a production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, which can effectively solve the technical problems that the process is complex and a screw oil press can only be used independently in the background art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an utilize rice crop abandonment rice bran to separate oil refining equipment of extraction rice bran oil, includes pretreatment case, spiral oil press casing and centrifugal outer seat, the top of pretreatment case is riveted with the oversheath, the right-hand member portion upper end of oversheath is provided with the coupling shell, the inside of oversheath is provided with mixing channel, mixing channel fixes the inside at the oversheath through two sets of bottom support, mixing channel's left end intercommunication is provided with the high temperature steam pipe.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the upper end of the left end part of the outer sheath is fixedly provided with a feed hopper, a first material guide pipe at the bottom of the feed hopper extends downwards into the mixing channel, a discharge valve is arranged on the first material guide pipe, a steam power discharger is fixedly arranged in the connecting shell, and the steam power discharger is used for continuously discharging the mixture of rice bran and steam into the shell of the screw oil press after gathering.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the steam power discharger comprises a gathering part, a discharging part and a power part from bottom to top in sequence, wherein the gathering part comprises a blocking opening, a blocking ball, a spring and an inlet, the blocking opening is formed in the communicating part of the gathering part and the discharging part, the blocking ball is located at the blocking opening and is matched with the blocking opening in size, the lower end face of the blocking ball is fixed by four groups of springs and the inner wall of the gathering part, the blocking ball moves up and down in the gathering part, the bottom of the gathering part is provided with the inlet, and the right end part of the inlet is communicated with the right end part of the mixing channel.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the power portion includes drive shaft, crank and connecting rod, fixed first motor on the drive shaft connection coupling shell, the crank cup joints on one end of drive shaft, the articulated connecting rod that has of crank one end, the discharge portion includes lifting seat and bin outlet, the upper end and the connecting rod of lifting seat are articulated, the inner wall laminating all around of lifting seat and discharge portion to up-and-down motion, the bin outlet is seted up in the inner wall middle part position department of discharge portion.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the discharge port is connected with a second material guide pipe through a connector, the second material guide pipe downwards extends into the left end feed port of the spiral oil press shell, the spiral oil press shell is located at the right end of the pretreatment box and is connected with the pretreatment box, and an annular injector is arranged at the position of the spiral oil press shell inside the pretreatment box.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the annular ejector comprises an annular outer support, a first connecting plate, semicircular limiting buckles and an ejector tube, wherein the annular outer support is riveted on the inner wall of a shell of the spiral oil press through a plurality of groups of first connecting plates, the optimal number of the first connecting plates is 4 groups, the semicircular limiting buckles are uniformly welded on the inner surface of the annular outer support, the ejector tube which is horizontally arranged is fixed by the semicircular limiting buckles, the right end of the ejector tube extends into a press chamber of the shell of the spiral oil press, and the optimal number of the ejector tube is 8-12 groups.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the pretreatment box is characterized in that an atomizer is arranged in the pretreatment box and positioned on the left side of the injection pipe, a plurality of groups of injection pipe insertion connecting holes are formed in an atomization cavity of the atomizer, and the atomizer is fixed at the middle position of the pretreatment box through a connecting sheet.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: a gas collecting hood is fixedly arranged below the area between the atomizer and the shell of the spiral oil press and positioned in the pretreatment box, a middle seat is arranged at the bottom of the gas collecting hood, a fan is arranged in the middle seat, one side of the middle seat is communicated with a condensing tube group, the condensing tube group comprises four groups of condensing tubes which are spliced into a ring shape, the outside of condenser pipe has cup jointed the cold water tank, fill cold water distribution in the cold water tank and play cooling effect in the outside of condenser pipe, the end of condenser nest of tubes is provided with the water receiver, the atomizer utilizes the suction tube to stretch into in the water receiver and gets water, the whole slight slope setting of condenser nest of tubes prevents the comdenstion water conservancy diversion.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the utility model discloses a centrifugal oil press, including screw oil press casing oil extraction gap, the lower extreme of receiving the oil fill is riveted in the upper end border position department of centrifugal outer seat, the middle part position of receiving the oil fill is provided with arc motor cabinet, the inner wall welding that arc motor cabinet was passed through a plurality of groups second connecting plates and was received the oil fill, the preferred quantity of second connecting plate is 4 groups, install the second motor in the arc motor cabinet, the second motor passes through the shaft coupling downwards and connects the bull stick, the lower extreme welding of bull stick has the ball table, four face symmetry welding of ball table have the horizontal pole, the tip of horizontal pole passes through the inner wall connection of welding piece and dual centrifugation section of thick bamboo, dual centrifugation section of thick bamboo laminating sets up the inside of centrifugal outer seat, rotates around centrifugal outer seat, be provided with dual filtration on the inner wall of dual centrifugation section of thick bamboo.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the double filtering structure comprises an upper ring seat, a lower ring seat, a sealing groove, an inner vertical rod, an outer vertical rod, an impurity filter screen, a reverse osmosis membrane and a diversion hole, wherein the upper ring seat and the lower ring seat are respectively attached to the annular inner wall of the double centrifugal cylinder and welded, the sealing groove is formed in the outer side surface of the middle of the lower ring seat and is used for connecting and fixing the bottom plate of the double centrifugal cylinder, a plurality of groups of inner vertical rods are uniformly arranged at the inner positions between the upper ring seat and the lower ring seat, a plurality of groups of outer vertical rods are uniformly arranged at the outer positions between the upper ring seat and the lower ring seat, a plurality of groups of diversion holes are uniformly distributed on the upper surface of the lower ring seat, and the preferential quantity of the inner vertical rods and the outer vertical rods is 4-6 groups.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the bottom of the centrifugal outer seat is respectively provided with an oil annular groove and a waste water annular groove, and oil and waste water in the plurality of groups of diversion holes respectively flow into the oil annular groove and the waste water annular groove.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the oil annular groove is communicated with the oil discharge pipe, the waste water annular groove is communicated with the drain pipe, and the oil discharge pipe and the drain pipe are arranged at the front end face of the centrifugal outer seat in a micro-inclined mode.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the screw oil press is characterized in that a screw is horizontally arranged at the middle position inside the shell of the screw oil press, a screw rib is arranged on the screw, the screw is gradually thickened from left to right, a large belt wheel is arranged outside the left end of the screw, which extends out of the pretreatment box, and the large belt wheel is connected with a third motor output part at the rear side through a belt.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the atomizer is internally provided with a through hole for the screw rod to pass through.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: and the positions, close to the cold water tank, of the periphery of the outer side surface of the pretreatment box are provided with heat radiation grids.
As a preferred scheme of the production process and oil refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, the invention comprises the following steps: the outside of centrifugal outer seat is close to the position and has cup jointed the block, the both sides of block are riveted and are had the connecting seat, spiral oil press casing is fixed to be set up on two sets of connecting seats.
The invention provides a production process and refining equipment for separating and extracting rice bran oil by utilizing waste rice bran of rice crops through improvement, and compared with the prior art, the invention has the following remarkable improvements and advantages:
(1) The steam has certain velocity of flow to drive the rice bran to mixing channel right side and removes, gathers slowly at mixing channel's right-hand member portion, is convenient for increase the heating time to rice bran on the one hand, and on the other hand is raised the atmospheric pressure, and the partial gaseous mixture of the department of being convenient for gathers enters into the discharge portion, and along with lifting seat upward movement, spills the bin outlet again, and gaseous mixture enters into No. two guide pipes from the bin outlet and carries out the unloading, and steam power discharger circulation work plays the effect of continuous feed.
(2) The barrel of the oil press is in a high-pressure state, so that water vapor cannot move rightwards, moves leftwards under the suction of a fan, enters a gas collecting hood of a pretreatment box, further enters a condensing pipe to be gradually liquefied into water drops, an atomizer is started, and water stored in the water reservoir is sucked by a suction pipe, so that the aim of secondarily utilizing the water vapor is fulfilled, waste is reduced, liquid drops generated by the agitation in an atomization cavity are sprayed out from a plurality of groups of spray pipes at high speed, the liquid drops are dispersed in the barrel, the oil press area at each part is cleaned, and the water has heat, so that the cleaning and deoiling capacity is further improved.
(3) The double centrifugal cylinder is in centrifugal motion, impurities in crude oil can be filtered by the impurity filter screen arranged on the inner layer, refined oil and water are immersed into the areas of the impurity filter screen and the reverse osmosis membrane, at the moment, water can permeate into the areas beyond the reverse osmosis membrane, and refined oil is reserved in the areas independently, so that synchronous separation of impurities, refined oil and water is achieved, the effect of double filtration is achieved, the oil refining steps are simplified, time and labor are saved, and cost is reduced.
Drawings
FIG. 1 is a schematic diagram showing the whole structure of a process for separating and extracting rice bran oil from waste rice bran of rice crops and oil refining equipment;
FIG. 2 is an interior view of an outer sheath of the present invention;
FIG. 3 is an interior view of the steam powered discharger of the present invention;
FIG. 4 is an interior view of the housing of the screw press of the present invention;
FIG. 5 is a specific block diagram of the annular injector of the present invention;
FIG. 6 is a view of the connection of the annular injector and atomizer of the present invention;
FIG. 7 is an interior view of the pretreatment tank of the present invention;
FIG. 8 is a disassembled view of the oil receiving hopper of the present invention;
FIG. 9 is an external view of the dual centrifuge bowl of the present invention;
FIG. 10 is a detailed view of the dual filtration structure of the present invention;
FIG. 11 is a process flow diagram of the present invention.
In the figure: 1. a pretreatment box; 2. an outer sheath; 3. a connection housing; 4. a mixing channel; 5. a bottom support; 6. a high-temperature water vapor pipe; 7. a feed hopper; 8. a first material guide pipe; 9. a discharge valve; 10. a steam power discharger; 11. an aggregation unit; 12. a discharging part; 13. a power section; 14. blocking the opening; 15. a blocking ball; 16. a spring; 17. an inlet; 18. a discharge port; 19. a drive shaft; 20. a crank; 21. a connecting rod; 22. a lifting seat; 23. a first motor; 24. a second material guide pipe; 25. a shell of the spiral oil press; 26. an annular injector; 27. an annular outer support; 28. a first connection plate; 29. semicircular limit buckles; 30. a jet pipe; 31. an atomizer; 32. an atomizing chamber; 33. a receiving hole; 34. a connecting sheet; 35. a gas collecting hood; 36. a middle seat; 37. a blower; 38. a cold water tank; 39. a water reservoir; 40. a suction tube; 41. an oil receiving hopper; 42. a centrifugal outer seat; 43. an edge; 44. arc motor base; 45. a second connecting plate; 46. a second motor; 47. a rotating rod; 48. a table; 49. a cross bar; 50. welding the tab; 51. a double centrifuge tube; 52. a double filtration structure; 53. an upper ring seat; 54. a lower ring seat; 55. sealing grooves; 56. an inner upright; 57. an outer upright; 58. impurity filtering net; 59. a reverse osmosis membrane; 60. a deflector aperture; 61. an oil drain pipe; 62. a drain pipe; 63. a screw; 64. spiral ribs; 65. a large belt wheel; 66. a heat-dissipating grille; 67. a connecting seat; 68. a clamping table; 69. and a through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1 to 10, the present embodiment provides a refinery apparatus for separating and extracting rice bran oil from waste rice bran of rice crops, comprising a pretreatment tank 1, a screw press housing 25 and a centrifugal outer housing 42.
Specifically, the top of pretreatment case 1 is riveted with oversheath 2, plays the effect of protection inner structure, and the right-hand member upper end of oversheath 2 is provided with coupling shell 3.
In this embodiment, a mixing channel 4 is disposed inside the outer sheath 2, the mixing channel 4 is fixed inside the outer sheath 2 by two groups of bottom struts 5, a high-temperature steam pipe 6 is disposed at the left end of the mixing channel 4 in a communicating manner, and the high-temperature steam pipe 6 is supplied with high-temperature steam by an external structure.
In this embodiment, the upper end of the left end portion of the outer sheath 2 is fixedly provided with a feed hopper 7, a first material guiding pipe 8 at the bottom of the feed hopper 7 extends downwards into the mixing channel 4, and a discharge valve 9 is installed on the first material guiding pipe 8 to control discharging.
In this embodiment, the steam power discharger 10 is fixedly installed in the connection housing 3, and the steam power discharger 10 is used for continuously discharging the mixture of rice bran and steam into the screw press casing 25 after the mixture is gathered.
Further, the steam power discharger 10 includes a collecting portion 11, a discharging portion 12, and a power portion 13 in this order from bottom to top, as shown in fig. 3.
Specifically, the aggregation 11 includes a plug port 14, a plug ball 15, a spring 16, and an inlet 17.
In this embodiment, the blocking hole 14 is formed at the communication position between the aggregation part 11 and the discharge part 12, the blocking ball 15 is located at the blocking hole 14, the two are in size adaptation, the sealing blocking function is achieved, the lower end face of the blocking ball 15 is fixed to the inner wall of the aggregation part 11 by using four groups of springs 16, the springs 16 play a role in resetting, the blocking ball 15 moves up and down in the aggregation part 11, the bottom of the aggregation part 11 is provided with the inlet 17, and the inlet 17 is communicated with the right end part of the mixing channel 4.
Specifically, the power section 13 includes a drive shaft 19, a crank 20, and a connecting rod 21.
In the embodiment, the driving shaft 19 is connected with a first motor 23 fixed on the connecting shell 3, the crank 20 is sleeved on one end part of the driving shaft 19, the driving shaft 19 drives the crank 20 to do circular motion, one end of the crank 20 is hinged with a connecting rod 21,
specifically, the discharge portion 12 includes a lifting seat 22 and a discharge opening 18.
In this embodiment, the upper end of the lifting seat 22 is hinged to the connecting rod 21, the lifting seat 22 is attached to the inner wall around the discharging portion 12, and moves up and down, and the discharging port 18 is formed in the middle of the inner wall of the discharging portion 12.
In this embodiment, a push rod protruding outwards is disposed at the middle position of the bottom of the lifting seat 22, and the push rod acts downwards to block the middle part of the sphere of the ball 15.
Further, the discharge port 18 is connected with a second material guiding pipe 24 through a connector, the second material guiding pipe 24 extends downwards to the left end feed port of the shell 25 of the screw oil press,
in this embodiment, a screw 63 is horizontally disposed at an inner middle position of the screw press housing 25, a screw rib 64 is disposed on the screw 63, and the screw 63 gradually thickens from left to right.
Further, a large belt wheel 65 is arranged at the left end of the screw 63 extending out of the pretreatment tank 1, and the large belt wheel 65 is connected with a third motor output part at the rear side through a belt and serves as a power source for screw oil extraction.
In this embodiment, the screw oil press housing 25 is located at the right end of the pretreatment tank 1, and the two are connected, and the ring-shaped injector 26 is disposed at the position of the screw oil press housing 25 inside the pretreatment tank 1.
Specifically, the annular injector 26 includes an annular outer bracket 27, a first connecting plate 28, a semicircular limit buckle 29, and an injection tube 30, as shown in fig. 5.
In this embodiment, the annular outer support 27 is riveted to the inner wall of the screw press housing 25 by means of a plurality of sets of first connecting plates 28.
In this embodiment, a plurality of groups of semicircular limiting buckles 29 are uniformly welded on the inner surface of the annular outer support 27, and the semicircular limiting buckles 29 are utilized to fix the horizontally arranged injection pipe 30, so that the fixing effect is achieved, the injection pipe 30 can be detached and replaced, and the right end of the injection pipe 30 extends into the press chamber of the screw oil press shell 25.
Further, an atomizer 31 is arranged inside the pretreatment tank 1 and positioned at the left side of the injection pipe 30, the atomizer 31 is of an ultrasonic type or a compression type, a connecting hole 33 for inserting a plurality of groups of injection pipes 30 is formed in an atomization cavity 32 of the atomizer 31, and the atomizer 31 is fixed at the middle position of the pretreatment tank 1 through a connecting sheet 34.
Further, a through hole 69 is provided in the atomizer 31 for the screw 63 to pass through.
Further, a gas collecting hood 35 is fixedly arranged below the area between the atomizer 31 and the spiral oil press casing 25 and in the pretreatment tank 1, and is bucket-shaped, so that flow guiding is facilitated.
Specifically, the bottom of the gas-collecting channel 35 is provided with a middle seat 36, a fan 37 is installed in the middle seat 36, and one side of the middle seat 36 is communicated with a condensing tube group.
In this embodiment, the condenser pipe group includes that four groups of condenser pipes splice into the annular, and the outside of condenser pipe has cup jointed cold water tank 38, fills cold water distribution in the cold water tank 38 in the outside of condenser pipe, plays cooling effect.
In this embodiment, the outer side surface of the pretreatment tank 1 is provided with heat dissipation grids 66 near the cold water tank 38, so as to dissipate heat from the cold water tank 38 in time.
In this embodiment, the end of the condensation tube set is provided with a water reservoir 39, the atomizer 31 stretches into the water reservoir 39 to take water by using a suction tube 40, and the whole condensation tube set is arranged in a slight inclination manner, so that condensate water is prevented from being guided.
Further, the oil receiving hopper 41 is fixedly arranged below the oil discharging gap of the spiral oil press shell 25, the lower end of the oil receiving hopper 41 is riveted at the position of the upper end edge 43 of the centrifugal outer seat 42, the clamping table 68 is sleeved at the upper position of the outer side of the centrifugal outer seat 42, the connecting seats 67 are riveted at two sides of the clamping table 68 to play a role in connection, and the spiral oil press shell 25 is fixedly arranged on the two groups of connecting seats 67.
In this embodiment, the middle part position of oil receiving bucket 41 is provided with arc motor cabinet 44, designs the cambered surface, and the oil is dropped and is flowed down to do not interfere the water conservancy diversion, arc motor cabinet 44 passes through the inner wall welding of a plurality of groups of second connecting plates 45 and oil receiving bucket 41, installs second motor 46 in the arc motor cabinet 44, and second motor 46 passes through the shaft coupling connection bull stick 47 downwards.
In this embodiment, a ball table 48 is welded at the lower end of the rotating rod 47, cross bars 49 are symmetrically welded on four surfaces of the ball table 48, and the ends of the cross bars 49 are connected with the inner wall of the double centrifugal cylinder 51 through welding tabs 50.
In this embodiment, the double centrifugal cylinder 51 is fitted inside the centrifugal outer seat 42, and rotates around the centrifugal outer seat 42.
Further, a double filter structure 52 is provided on the inner wall of the double centrifugal cylinder 51.
Specifically, the dual filtering structure 52 includes an upper ring seat 53, a lower ring seat 54, a sealing groove 55, an inner upright rod 56, an outer upright rod 57, an impurity filter 58, a reverse osmosis membrane 59, and a diversion hole 60, as shown in fig. 10.
In this embodiment, the upper ring seat 53 and the lower ring seat 54 are respectively bonded to the annular inner wall of the dual centrifugal cylinder 51, and the outer side surface of the middle part of the lower ring seat 54 is provided with a sealing groove 55 for connecting and fixing the bottom plate of the dual centrifugal cylinder 51, and the middle part of the bottom plate is fixed inside the centrifugal outer seat 42 through a plane bearing.
In this embodiment, a plurality of groups of inner uprights 56 are uniformly arranged at inner positions between the upper ring seat 53 and the lower ring seat 54, and a periphery of impurity filter screens 58 are fixedly arranged on inner connecting planes of the inner uprights 56.
In this embodiment, a plurality of groups of outer uprights 57 are uniformly arranged at the outer positions between the upper ring seat 53 and the lower ring seat 54, and a reverse osmosis membrane 59 is arranged on the inner connecting plane of the outer uprights 57 in a cementing manner for filtering water molecules.
Further, the upper surface of the lower ring seat 54 is uniformly provided with a plurality of groups of diversion holes 60, and a centralized gap is formed on the bottom surface of the lower ring seat 54, and the inner ring gap and the outer ring gap are far apart, so that oil and waste water are prevented from contacting during collection.
Further, the bottom of the centrifugal outer seat 42 is provided with an oil annular groove and a waste water annular groove, respectively, and the oil and waste water in the plurality of groups of diversion holes 60 flow into the oil annular groove and the waste water annular groove, respectively.
Further, the oil annular groove is communicated with the oil drain pipe 61, the waste water annular groove is communicated with the drain pipe 62, and the oil drain pipe 61 and the drain pipe 62 are arranged at the front end face of the centrifugal outer seat 42 in a micro-inclined manner.
In this embodiment, when the rice bran stabilizing device is used, while the discharging valve 9 is opened to release the crushed rice bran, water vapor is introduced into the high-temperature water vapor pipe 6 (both are intermittently supplied), the two are mixed at the mixing channel 4, the increased water content can lower the temperature required by stabilization of the rice bran to about 120 ℃, the rice bran can be expanded by the vapor to form porous lumps, which are beneficial to solvent permeation and grease leaching, in addition, the water content is high to promote the aggregation of the rice bran chips, the content of the crude oil chips is reduced, further, the water vapor has a certain flow rate to drive the rice bran to move to the right side of the mixing channel 4, the water vapor slowly gathers at the right end part of the mixing channel 4 (which is convenient to increase the heating time of the rice bran), the air pressure is gradually increased, at this time, the first motor 23 is started, the driving shaft 19 drives the crank 20 to do uniform circumferential motion, and the motion of the connecting rod 21 is used, when the lifting seat 22 descends to the lowest position, the push rod in the middle pushes the blocking ball 15 away from the blocking opening 14, a gap is reserved for part of gas mixture (namely water vapor and rice bran) at the gathering part 11 to enter the discharging part 12 (as a result of the air pressure rising action), then the gas mixture leaks out of the discharging opening 18 along with the upward movement of the lifting seat 22, the gas mixture enters the second material guide pipe 24 from the discharging opening 18 to discharge, the steam power discharger 10 circularly works to continuously feed, the rice bran in the second material guide pipe 24 falls into the spiral oil press shell 25, the spiral oil press shell rotates along with the screw 63 and moves rightwards, the oil press cavity is in a high-pressure state, therefore, the water vapor cannot move rightwards and moves leftwards under the attraction of the fan 37, the water vapor enters into the gas collecting hood 35 of the pretreatment tank 1, is collected, and is transferred into the condensation tube group through the middle seat 36, moves in sequence in four groups of condensation tubes of the condensation tube group, is gradually liquefied into water drops, and is collected into the water receiver 39, and is reduced to a 50-80 DEG state, at the moment, after all oil pressing processes are finished, the atomizer 31 is started, water stored in the water receiver 39 is sucked by the suction tube 40 (moisture of the water vapor is secondarily utilized), liquid drops (controlled into larger liquid drops) are generated by agitating in the atomizing cavity 32, and then are sprayed out from the plurality of groups of injection tubes 30 at a high speed, the liquid drops are dispersed in the press cavity, the oil pressing area at each position is cleaned, and the water also has heat, oil stains can be thoroughly washed off, then the waste water generated by cleaning flows downwards from the oil discharging gap, is led into the double centrifugal cylinder 51 from the oil receiving hopper 41, at the moment, the raw oil and the cleaning water (small amount) are all positioned in the double centrifugal cylinder 51, the technical problem that the cleaning waste cannot be reasonably discharged and the raw oil is caused is solved, the raw oil is high-speed, the second motor 46 is started, the rotating rod drives the double centrifugal cylinder 51 to move in the inner part of the centrifugal cylinder 42 (the filter screen 58) and the water inlet channel and the water drain hole 58 are positioned in the water drain hole and the water drain hole 59, and the impurity filtering area can be synchronously filtered by the water and the water drain hole 59 are separated from the water drain hole and the water drain hole 59, and the impurity water can reach the oil drain region and the oil drain hole 59.
Embodiment two:
on the basis of the first embodiment, the existing rice bran oil refining process is improved, and the complex process is simplified, as shown in fig. 11.
A production process for separating and extracting rice bran oil by utilizing waste rice bran of rice crops comprises the following steps:
s1, heating rice bran by high-temperature steam: while opening the discharge valve 9 to release the crushed rice bran, introducing water vapor into the high-temperature water vapor pipe 6, mixing the rice bran and the water vapor at the mixing channel 4, and moving the rice bran and the water vapor rightward, wherein the increased water can reduce the temperature required by stabilization of the rice bran to about 120 ℃, and the water vapor can expand the rice bran to form porous lumps, so that the solvent is favorable for infiltration and grease leaching;
s2, oil pressing by a spiral oil press: the rice bran in S1 falls into the screw press housing 25, and as the screw 63 rotates, oil is pressed while moving rightward, and crude oil falls into the oil receiving hopper 41 from the oil discharge gap;
s3, high-temperature steam recovery and cooling: the water vapor in S1 moves leftwards under the attraction of a fan 37, enters a gas collecting hood 35 of the pretreatment tank 1, is collected and transferred to a condensation pipe group through an intermediate seat 36, moves in four groups of condensation pipes of the condensation pipe group in sequence, is gradually liquefied into water drops, is collected into a water receiver 39, and is reduced to a 50-80 ℃ state;
s4, cleaning a squeezing chamber by atomized liquid drops: after all the oil extraction processes are finished, starting the atomizer 31, sucking water stored in the water reservoir 39 by using the suction pipe 40, agitating in the atomizing cavity 32 to generate liquid drops, spraying the liquid drops from the plurality of groups of spraying pipes 30 at high speed, dispersing the liquid drops in the squeezing cavity, cleaning the oil extraction area at each position, thoroughly removing greasy dirt by the water, and then leading the waste water generated by cleaning to the double centrifugal barrel 51 from the oil discharge gap downwards and guiding the waste water into the double centrifugal barrel 41;
s5, centrifugal refining of crude rice bran oil: the double centrifugal cylinder 51 makes centrifugal movement in the centrifugal outer seat 42, the impurity filter screen 58 positioned on the inner layer can filter impurities in crude oil, refined oil and water are immersed into the areas of the impurity filter screen 58 and the reverse osmosis membrane 59 together, at the moment, water can permeate into the areas outside the reverse osmosis membrane 59, refined oil is independently reserved in the areas, thus achieving synchronous separation of impurities, refined oil and water, and then refined oil and wastewater respectively flow into an oil annular groove and a wastewater annular groove through the diversion holes 60, so that subsequent collection is facilitated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An oil refining device for separating and extracting rice bran oil by utilizing waste rice bran of rice crops, which is characterized in that: comprises a pretreatment box (1), a spiral oil press shell (25) and a centrifugal outer seat (42), wherein an outer sheath (2) is riveted at the top of the pretreatment box (1), a connecting shell (3) is arranged at the upper end of the right end part of the outer sheath (2), a mixing channel (4) is arranged in the outer sheath (2), a high-temperature water steam pipe (6) is arranged at the left end of the mixing channel (4) in a communicated manner, a feed hopper (7) is fixedly arranged at the upper end of the left end part of the outer sheath (2), a feed pipe (8) at the bottom of the feed hopper (7) downwards extends into the mixing channel (4), a steam power discharger (10) is fixedly arranged in the connecting shell (3), and the steam power discharger (10) is used for continuously discharging a mixture of rice bran and steam into the spiral oil press shell (25) after aggregation,
wherein the steam power discharger (10) sequentially comprises a gathering part (11), a discharging part (12) and a power part (13) from bottom to top, the gathering part (11) comprises a blocking opening (14), a blocking ball (15), a spring (16) and an inlet (17), the blocking opening (14) is arranged at the communicating position of the gathering part (11) and the discharging part (12), the blocking ball (15) is positioned at the blocking opening (14) and is in size adaptation, the lower end face of the blocking ball (15) is fixed by utilizing four groups of springs (16) and the inner wall of the gathering part (11), the bottom of the gathering part (11) is provided with the inlet (17), and the inlet (17) is communicated with the right end part of the mixing channel (4),
wherein the power part (13) comprises a driving shaft (19), a crank (20) and a connecting rod (21), the driving shaft (19) is connected with a first motor (23) fixed on the connecting shell (3), the crank (20) is sleeved on one end part of the driving shaft (19), one end of the crank (20) is hinged with the connecting rod (21), the discharging part (12) comprises a lifting seat (22) and a discharging hole (18), the upper end part of the lifting seat (22) is hinged with the connecting rod (21), the lifting seat (22) is attached to the surrounding inner wall of the discharging part (12) and moves up and down, the discharging hole (18) is arranged at the middle part of the inner wall of the discharging part (12),
wherein the discharge opening (18) is connected with a second material guide pipe (24) through a connector, the second material guide pipe (24) downwards extends into the left end material inlet of the spiral oil press shell (25), the spiral oil press shell (25) is positioned at the right end of the pretreatment box (1) and is connected with the pretreatment box, an annular injector (26) is arranged at the position of the spiral oil press shell (25) inside the pretreatment box (1),
wherein the annular ejector (26) comprises an annular outer support (27), a first connecting plate (28), semicircular limiting buckles (29) and an ejector tube (30), the annular outer support (27) is riveted on the inner wall of the shell (25) of the spiral oil press through a plurality of groups of the first connecting plates (28), the semicircular limiting buckles (29) are uniformly welded on the inner surface of the annular outer support (27) in a plurality of groups, the ejector tube (30) which is horizontally arranged is fixed by the semicircular limiting buckles (29), the right end of the ejector tube (30) stretches into the press chamber of the shell (25) of the spiral oil press,
wherein an atomizer (31) is arranged in the pretreatment box (1) and positioned at the left side of the injection pipe (30), a connecting hole (33) for inserting a plurality of groups of injection pipes (30) is arranged on an atomization cavity (32) of the atomizer (31), the atomizer (31) is fixed at the middle position of the pretreatment box (1) through a connecting sheet (34),
wherein a gas collecting cover (35) is fixedly arranged below the area between the atomizer (31) and the spiral oil press shell (25) and positioned in the pretreatment box (1), a middle seat (36) is arranged at the bottom of the gas collecting cover (35), a fan (37) is arranged in the middle seat (36), one side of the middle seat (36) is communicated with a condensing tube group, the condensing tube group comprises four groups of condensing tubes which are spliced into a ring shape, a cold water tank (38) is sleeved outside the condensing tubes, cold water filled in the cold water tank (38) is distributed outside the condensing tubes, a water storage device (39) is arranged at the tail end of the condensing tube group, the atomizer (31) stretches into the water storage device (39) to take water by utilizing a suction tube (40),
wherein, the below of spiral oil press casing (25) oil extraction gap is fixed and is provided with and connects oily fill (41), the lower extreme that connects oily fill (41) is riveted in the upper end border (43) position department of centrifugal outer race (42), the middle part position that connects oily fill (41) is provided with arc motor cabinet (44), install second motor (46) in arc motor cabinet (44), second motor (46) pass through shaft coupling connection bull stick (47) downwards, the lower extreme welding of bull stick (47) has ball table (48), four face symmetry welding of ball table (48) have horizontal pole (49), the tip of horizontal pole (49) is through welding tab (50) and the inner wall connection of double centrifugal section of thick bamboo (51), double centrifugal section of thick bamboo (51) laminating sets up in the inside of centrifugal outer race (42), rotate around centrifugal outer race (42), be provided with double filtration (52) on the inner wall of double centrifugal section of thick bamboo (51) to
The double-filtering structure (52) comprises an upper ring seat (53), a lower ring seat (54), a sealing groove (55), an inner vertical rod (56), an outer vertical rod (57), an impurity filter screen (58), a reverse osmosis membrane (59) and a diversion hole (60), wherein the upper ring seat (53) and the lower ring seat (54) are respectively attached to the annular inner wall of the double-centrifugal cylinder (51) in a welded mode, the sealing groove (55) is formed in the outer side face of the middle of the lower ring seat (54) and used for connecting and fixing the bottom plate of the double-centrifugal cylinder (51), a plurality of groups of inner vertical rods (56) are uniformly arranged at inner positions between the upper ring seat (53) and the lower ring seat (54), a plurality of groups of impurity filter screens (58) are fixedly arranged on the inner connecting plane of the inner vertical rod (56), a plurality of groups of outer vertical rods (57) are uniformly arranged at outer positions between the upper ring seat (53) and the lower ring seat (54), a plurality of reverse osmosis membrane (59) are uniformly distributed on the connecting plane of the outer vertical rod (57) in a circle in a glued mode, and the upper surface of the inner ring seat (54) is uniformly distributed with a plurality of diversion holes (60).
2. A process for separating and extracting rice bran oil from waste rice bran of rice crops, which is applied to the oil refining equipment for separating and extracting rice bran oil from waste rice bran of rice crops according to claim 1, and is characterized by comprising the following steps:
s1, heating rice bran by high-temperature steam: while opening a discharge valve (9) to release crushed rice bran, introducing water vapor into a high-temperature water vapor pipe (6), mixing the rice bran and the water vapor at a mixing channel (4) and moving the rice bran to the right, wherein the increased water can lower the required temperature for stabilizing the rice bran to 120 ℃, and the water vapor can expand the rice bran to form porous lumps, so that the solvent is favorable for infiltration and grease leaching;
s2, oil pressing by a spiral oil press: the rice bran in the S1 falls into the shell (25) of the spiral oil press, and oil is pressed while moving rightwards along with the rotation of the screw (63), and crude oil falls into the oil receiving hopper (41) from the oil discharge gap;
s3, high-temperature steam recovery and cooling: the water vapor in S1 moves leftwards under the attraction of a fan (37), enters a gas collecting hood (35) of a pretreatment tank (1), is collected and transferred to a condensation pipe group through an intermediate seat (36), moves in four groups of condensation pipes of the condensation pipe group in sequence, is gradually liquefied into water drops, is collected into a water receiver (39), and is reduced to a 50-80 ℃ state;
s4, cleaning a squeezing chamber by atomized liquid drops: after all the oil pressing processes of S2 are finished, starting an atomizer (31), sucking water stored in a water storage device (39) by utilizing a suction pipe (40), agitating in an atomization cavity (32) to generate liquid drops, then spraying out from a plurality of groups of spraying pipes (30) at high speed, dispersing in the squeezing cavity, cleaning the oil pressing area at each position, thoroughly washing oil stains by using water, and then leading the waste water generated by cleaning to a double centrifugal cylinder (51) from an oil discharge gap downwards and guiding the waste water into the double centrifugal cylinder (41);
s5, centrifugal refining of crude rice bran oil: the double centrifugal cylinder (51) is in centrifugal motion in the centrifugal outer seat (42), an impurity filter screen (58) positioned on the inner layer can filter impurities in crude oil, refined oil and water are immersed into an area between the impurity filter screen (58) and a reverse osmosis membrane (59) together, at the moment, water can permeate into an area beyond the reverse osmosis membrane (59), refined oil is reserved in the area independently, so that synchronous separation of impurities, refined oil and water is achieved, and then refined oil and wastewater flow into an oil annular groove and a wastewater annular groove through guide holes (60) respectively, so that subsequent collection is facilitated.
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| CN116254149A (en) | 2023-06-13 |
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Denomination of invention: A production process and refining equipment for separating and extracting rice bran oil from discarded rice bran of rice crops Granted publication date: 20231027 Pledgee: Industrial Bank Co.,Ltd. Suqian Branch Pledgor: Jiangsu Xianfu Biotechnology Co.,Ltd. Registration number: Y2024980011170 |