Equipment for detecting quality of oil produced during processing of pecans and nuts

Abstract

The utility model relates to the technical field of nut processing, in particular to pecan nut processing oil outlet quality detection equipment which comprises an oil outlet processing channel, an oil collecting pool and a quality detection tool box. Different types of oil quality detection instruments are arranged in the quality detection tool box; a drying chamber, a crushing chamber, a squeezing chamber and a filtering chamber are sequentially distributed in the oil outlet processing channel from top to bottom in a communicating manner; the top of the drying chamber communicates with a pecan inlet of a funnel-shaped structure, a drying conveying pipeline distributed in a bent mode is arranged in the drying chamber, the crushing chamber communicates with the bottom end of the drying conveying pipeline, a crushing assembly is arranged in the crushing chamber, the squeezing chamber communicates with the bottom end of the crushing chamber, and a circularly-lifting squeezing assembly is arranged in the squeezing chamber. The squeezing assembly is connected with the crushing assembly, and the filtering chamber communicates with the bottom of the squeezing chamber. The squeezing assembly and the crushing assembly of the equipment are connected, running kinetic energy is fully converted and utilized, and the machining and running cost of the equipment is reduced.

Description

Technical Field

[0001] This utility model relates to the field of nut processing technology, specifically to a device for testing the quality of oil extracted from pecan nuts. Background Technology

[0002] The process of extracting oil from pecans (also known as hickory nuts) usually involves the following steps: 1. Raw material preparation: Select high-quality pecans: Choose mature pecans that are free from mold and insect infestation as raw materials.

[0003] Cleaning: Clean the pecans thoroughly to remove impurities and dust from the surface.

[0004] 2. Drying: The washed pecans are then dried to remove excess moisture. The drying temperature and time need to be carefully controlled to avoid over-drying and loss of nutrients.

[0005] 3. Crushing: Crushing process: The dried pecans are crushed using a specialized crusher. The degree of crushing should be moderate to facilitate the subsequent pressing process.

[0006] 4. Pressing: Pressing process: The crushed pecans are pressed using a press. Pressure and temperature need to be controlled during pressing to ensure oil quality and yield. Separation of oil residue: After pressing, the oil and residue are separated by centrifugation or filtration.

[0007] The oil can be extracted from pecans through the above steps, and then tested using appropriate testing devices. Oil quality testing generally includes sensory testing, physicochemical index testing, and contaminant testing.

[0008] In the process of testing the oil yield of pecans, the existing operating methods for crushing and pressing lack effective coordination between the two processes. This results in insufficient utilization of the energy transfer and conversion, which can easily lead to energy waste and increase the overall operating cost of oil quality testing.

[0009] Therefore, in view of the above-mentioned problems, this technical solution proposes a device for testing the quality of oil extracted from pecan nuts. Utility Model Content

[0010] The purpose of this invention is to provide a device for testing the quality of oil extracted from pecan nuts, in order to solve the problems mentioned in the background art.

[0011] To achieve the above objectives, this utility model provides the following technical solution: a pecan nut processing oil quality testing device, including an oil processing channel, an oil collection tank, and a quality testing toolbox; the oil collection tank is located below the bottom of the oil processing channel and is used to receive the edible oil produced from the pecans after processing inside the oil processing channel; the quality testing toolbox is located on one side of the oil collection tank and contains different types of oil quality testing instruments; according to the requirements for quality testing of the pecan oil in the oil collection tank, the corresponding instruments are used for quality testing; the oil processing channel contains a drying chamber, a crushing chamber, a pressing chamber, and a filtering chamber arranged sequentially from top to bottom; the top of the drying chamber is connected to a funnel-shaped pecan inlet, and the drying chamber is equipped with a curved drying transmission pipe; the pecans to be processed enter the drying transmission pipe along the pecan inlet for flow drying; the crushing chamber is connected to the drying transmission pipe... At the bottom of the pipeline, a crushing assembly is installed inside the crushing chamber to crush the dried pecans. A pressing chamber is connected to the bottom of the crushing chamber, and a circulating, lifting pressing assembly is installed inside the pressing chamber to press the crushed pecans for oil extraction. The pressing assembly is connected to the crushing assembly; as the crushing assembly rotates to cut and crush the pecans, it simultaneously drives the pressing assembly to move up and down to press the crushed pecans. A filtration chamber is connected to the bottom of the pressing chamber to perform multi-stage filtration of the pressed oil, which is then transferred to an oil collection tank for storage. Afterwards, it undergoes targeted testing using vegetable oil quality testing instruments in the quality testing toolbox. Throughout this process, the movement of the pecans and the resulting oil is accomplished by gravity. The connection design between the pressing and crushing assemblies allows for full conversion and utilization of kinetic energy, reducing the operating cost of the equipment to some extent.

[0012] Compared with the prior art, the beneficial effects of this utility model are: by using the same set of motors to drive the components that crush, press and transfer pecans, the steps are kept synchronized and fast, the pecans are fully processed, and the energy transfer conversion rate is increased, so as to achieve an energy-saving and efficient operation mode of the whole equipment. Then, with the set quality inspection toolbox, the produced oil is subjected to targeted and comprehensive quality inspection. Attached Figure Description

[0013] Figure 1 A schematic diagram of the structure of an equipment for testing the quality of oil extracted from pecan nuts.

[0014] Figure 2 A schematic diagram of the actuating shaft in the equipment for testing the quality of oil extracted from pecan nuts.

[0015] Figure 3 for Figure 1 A magnified structural diagram of A in the diagram.

[0016] Figure 4 for Figure 1 A magnified structural diagram of B in the diagram.

[0017] The components include: oil processing channel 10, drying chamber 11, crushing chamber 12, pressing chamber 13, filtering chamber 14, oil collection pool 15, quality inspection toolbox 16, pecan inlet 17, drying transmission pipeline 18, power supply group 19, heating plate 20, transfer port 21, toggle plate 22, toggle shaft 23, servo motor 24, drive shaft 25, crushing shaft 26, crushing blade 27, transmission belt 28, transmission shaft 29, connecting shaft 30, conical pressing trough 31, conical pressing block 32, nut 33, connecting rod 34, lead screw 35, and filter plate 36. Detailed Implementation

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4The pecan nut processing oil quality testing equipment includes an oil processing channel 10, an oil collection tank 15, and a quality testing toolbox 16. The oil collection tank 15 is located below the bottom of the oil processing channel 10 and is used to receive the edible oil produced from the pecans after processing within the channel 10. The quality testing toolbox 16 is located on one side of the oil collection tank 15 and contains different types of oil quality testing instruments. Appropriate instruments are used to perform quality testing according to the requirements for the pecan oil quality in the oil collection tank 15. The oil processing channel 10 contains, from top to bottom, a drying chamber 11, a crushing chamber 12, a pressing chamber 13, and a filtering chamber 14. The top of the drying chamber 11 is connected to a funnel-shaped pecan inlet 17. The drying chamber 11 has a curved drying transmission pipe 18 inside, through which the pecans to be processed enter the drying transmission pipe 18 for flow-through drying. The crushing chamber 12 is connected to the drying... At the bottom of the transmission pipe 18, a crushing component is installed inside the crushing chamber 12 to crush the dried pecans. The pressing chamber 13 is connected to the bottom of the crushing chamber 12 and is equipped with a circulating lifting pressing component to press the crushed pecans to extract oil. The pressing component and the crushing component are connected so that when the crushing component rotates to cut and crush the pecans, it simultaneously drives the pressing component to move up and down to press the crushed pecans. The filtering chamber 14 is connected to the bottom of the pressing chamber 13 to perform multi-stage filtration on the pressed oil, which is then transferred to the oil collection tank 15 for storage. Afterward, it is subjected to targeted testing by the vegetable oil quality testing instrument inside the quality testing toolbox 16. During this process, the movement of the pecans and the resulting oil is accomplished by their own gravity. At the same time, the connection design between the pressing component and the crushing component can fully convert and utilize the kinetic energy of the operation, thereby reducing the processing and operation cost of this equipment to a certain extent.

[0023] In this embodiment of the invention, a heat-conducting layer is provided on the inner wall of the drying transmission pipe 18, and multiple heating plates 20 are uniformly installed on the outer wall of the drying transmission pipe 18. The inner side of the heating plate 20 is connected to the heat-conducting layer on the inner wall of the drying transmission pipe 18, and adjacent heating plates 20 are connected by wires. One side of one group of heating plates 20 is connected to a power supply group 19 fixed on the inner wall of the drying chamber 11. The power supply group 19 supplies power to the heating plate 20 to drive the heating plate 20 to heat up, and then heats the heat-conducting layer on the inner wall of the oil processing channel 10 to dry the pecans moving along the inside of the drying transmission pipe 18.

[0024] Oil quality testing instruments generally include: 1. Acid value analyzer

[0025] Function: Used to determine the content of free fatty acids in vegetable oils.

[0026] Principle: The acid value in oil is determined by titration.

[0027] 2. Peroxide value analyzer

[0028] Function: Used to determine the peroxide content in vegetable oils.

[0029] Principle: Peroxide value is determined by iodometric titration or colorimetric method.

[0030] 3. Iodine value analyzer

[0031] Function: Used to determine the iodine value of vegetable oils, reflecting the degree of unsaturation of the oil.

[0032] Principle: Iodine value is determined by the Wheatstone method.

[0033] 4. Saponification value tester

[0034] Function: Used to determine the saponification value of vegetable oils, reflecting the average molecular weight of fatty acids.

[0035] Principle: Saponification value is determined through the saponification reaction.

[0036] 5. Gas Chromatograph (GC)

[0037] Function: Used to determine the fatty acid composition and pesticide residues in vegetable oils.

[0038] Principle: Various components are separated and detected by gas chromatography.

[0039] 6. High-performance liquid chromatography (HPLC)

[0040] Function: Used to determine antioxidants, aflatoxins, etc. in vegetable oils.

[0041] Principle: Various components are separated and detected by liquid chromatography.

[0042] In one embodiment of the present invention, a set of material-pushing components is provided at the connection between the bottom end of the drying transmission pipe 18 and the top of the crushing chamber 12. The material-pushing components are used to push the pecans that are dried and falling along the drying transmission pipe 18 toward the inside of the crushing chamber 12. The material-pushing components are rotatably connected to the crushing assembly, that is, the material-pushing components are synchronously driven to rotate while the crushing assembly is running.

[0043] The material feeding component includes a rotating actuating shaft 23 that is rotatably disposed at the connection between the drying transmission pipe 18 and the crushing chamber 12. Multiple actuating plates 22 are installed at equal intervals in a ring on the outer circumferential direction of the actuating shaft 23. One end of the actuating shaft 23 is connected to a drive shaft 25, and the end of the drive shaft 25 is connected to the crushing component.

[0044] Specifically, the crushing assembly includes a servo motor 24 located on one side outside the oil processing channel 10. The top of the servo motor 24 is positioned on the outer wall of the oil processing channel 10 by a fixing rod. A set of vertically distributed crushing shafts 26 are rotatably arranged in the middle of the crushing chamber 12. Multiple sets of crushing blades 27 are installed at equal intervals in a ring on the outer wall of the crushing shafts 26. A transmission rod is installed on the top of the crushing shafts 26. A set of transmission belts 28 are rotatably connected to the transmission rod facing outwards from the crushing chamber 12. A set of transmission shafts 29 are rotatably connected to the end of the transmission belts 28 extending to the outside of the oil processing channel 10. A bevel gear 1 is fixedly installed at the top of the transmission shaft 29. A set of bevel gears 2 meshes vertically on one side of the upper part of the bevel gear 1. The middle of the bevel gears is fixed on the drive shaft 25. That is, when the drive shaft 25 rotates, it drives the bevel gears 2 to rotate, which in turn drives the bevel gears 1 to rotate. Then, under the transmission of the transmission shafts 29 and the transmission belts 28, the transmission rod is driven to rotate, thereby driving the crushing blades 27 to crush the pecans inside the crushing chamber 12.

[0045] In a preferred embodiment of the present invention, the pressing assembly includes a conical pressing trough 31 with a mesh structure fixedly installed at the bottom of the pressing chamber 13. A set of conical pressing blocks 32 are lifted and lowered above the conical pressing trough 31. The conical pressing blocks 32 have an installation cavity with a top opening in the middle. A nut 33 is installed in the middle of the installation cavity through a connecting rod 34. A vertically distributed lead screw 35 is threaded to the middle of the nut 33. The top end of the lead screw 35 is connected to the bottom end of the crushing shaft 26 through a connecting shaft 30. When the crushing shaft 26 rotates, the lead screw 35 is driven to rotate. The nut 33 is provided with a guide device for limiting its rotation. When the lead screw 35 rotates, the nut 33 is controlled to move up and down along the lead screw 35. In this way, under the connection of the connecting rod 34, the conical pressing blocks 32 are controlled to move up and down, and then contact and squeeze with the conical pressing trough 31 to press the crushed pecans. Then, the pecans are filtered through the conical pressing trough 31.

[0046] In a preferred embodiment of the present invention, multiple sets of parallel filter plates 36 are installed longitudinally at equal intervals inside the filter chamber 14. The mesh diameter of the filter plates 36 decreases sequentially from top to bottom. After multi-stage filtration, the produced oil is fed into the oil collection tank 15.

[0047] The working principle of this utility model is as follows: In the idle state of this device, all the aforementioned driving components, referring to power elements, electrical components, and compatible power supplies, are connected via wires. The electrical connections between the various electrical components are completed in a sequential manner. The detailed connection methods are well-known in the field. The following mainly describes the working principle and process, without further explanation of the electrical control. During operation, the pecans to be processed are fed into the drying conveyor pipe 18 along the pecan inlet 17. At this time, the interior of the drying conveyor pipe 18 is heated by the heating plate 20, and then the pecans moving along the drying conveyor pipe 18 are dried. Then, the servo motor 24 is started to drive the actuating shaft 23. Rotating the movable plate 22 pushes the dried pecans into the crushing chamber 12. At this time, under the connection of bevel gear one, bevel gear two, drive shaft 29, and drive belt 28, the crushing shaft 26 drives the crushing blade 27 to rotate, crushing the pecans. Then, under gravity, the crushed pecans fall into the conical pressing trough 31. At this time, under the connection of the connecting shaft 30, the conical pressing block 32 is controlled to move up and down, circulating and pressing the pecans on the conical pressing trough 31 to extract oil. Then, it passes through the filter plate 36 in the filter chamber 14 for multi-stage filtration, and finally enters the oil collection tank 15. Then, it is subjected to targeted testing by the vegetable oil quality testing instrument in the quality testing toolbox 16.

[0048] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A quality testing device for oil extraction from pecan nut processing, characterized in that, It includes an oil processing channel (10), an oil collection tank (15), and a quality inspection toolbox (16); the oil collection tank (15) is located below the bottom of the oil processing channel (10), and the quality inspection toolbox (16) is located on one side of the oil collection tank (15). The quality inspection toolbox (16) is equipped with different types of oil quality inspection instruments. The oil processing channel (10) has a drying chamber (11), a crushing chamber (12), a pressing chamber (13), and a filtering chamber (14) arranged sequentially from top to bottom. The top of the chamber (11) is connected to a funnel-shaped pecan inlet (17). The drying chamber (11) is equipped with a curved drying transmission pipe (18). The crushing chamber (12) is connected to the bottom of the drying transmission pipe (18). The crushing chamber (12) is equipped with a crushing component. The pressing chamber (13) is connected to the bottom of the crushing chamber (12). The pressing chamber (13) is equipped with a circulating and lifting pressing component. The pressing component and the crushing component are connected. The filter chamber (14) is connected to the bottom of the pressing chamber (13).

2. The pecan nut processing oil quality testing equipment according to claim 1, characterized in that, The inner wall of the drying transmission pipe (18) is provided with a heat-conducting layer. Multiple heating plates (20) are evenly installed on the outer wall of the drying transmission pipe (18). The inner side of the heating plate (20) is connected to the heat-conducting layer of the inner wall of the drying transmission pipe (18), and adjacent heating plates (20) are connected by wires. One side of one group of heating plates (20) is connected to a power supply group (19) fixed on the inner wall of the drying chamber (11).

3. The pecan nut processing oil quality testing equipment according to claim 2, characterized in that, The oil quality testing instruments include an acid value analyzer, a peroxide value analyzer, an iodine value analyzer, a saponification value analyzer, a gas chromatograph, and a high-performance liquid chromatograph.

4. The pecan nut processing oil quality testing equipment according to claim 3, characterized in that, A set of material feeding components is provided at the connection between the bottom end of the drying transmission pipe (18) and the top of the crushing chamber (12), which moves towards the inside of the crushing chamber (12) and rotates outward to connect with the crushing components.

5. The pecan nut processing oil quality testing equipment according to claim 4, characterized in that, The material feeding component includes a rotating actuating shaft (23) that is rotatably disposed at the connection between the drying transmission pipe (18) and the crushing chamber (12). Multiple actuating plates (22) are installed at equal intervals in a ring on the outer circumferential direction of the actuating shaft (23). One end of the actuating shaft (23) is connected to a drive shaft (25), and the end of the drive shaft (25) is connected to the crushing component.

6. The pecan nut processing oil quality testing equipment according to claim 5, characterized in that, The crushing assembly includes a servo motor (24) located on one side outside the oil processing channel (10). The top of the servo motor (24) is positioned on the outer wall of the oil processing channel (10) by a fixing rod. A set of vertically distributed crushing shafts (26) are rotatably arranged in the middle of the crushing chamber (12). Multiple sets of crushing blades (27) are installed at equal intervals in a ring on the outer wall of the crushing shafts (26). A transmission rod is installed on the top of the crushing shafts (26). A set of transmission belts (28) is rotatably connected to the transmission rod facing the outside of the crushing chamber (12). A set of transmission shafts (29) is rotatably connected to the end of the transmission belts (28) extending to the outside of the oil processing channel (10). A bevel gear one is fixedly installed at the top of the transmission shaft (29). A set of bevel gear two is vertically meshed on one side of the upper part of the bevel gear one. The middle part of the bevel gear is fixed on the drive shaft (25).

7. The pecan nut processing oil quality testing equipment according to claim 6, characterized in that, The pressing assembly includes a conical pressing trough (31) with a mesh structure fixedly installed at the bottom of the pressing chamber (13). A set of conical pressing blocks (32) are lifted and installed above the conical pressing trough (31). The conical pressing blocks (32) have an installation cavity with a top opening in the middle. A nut (33) is installed in the middle of the installation cavity through a connecting rod (34). A vertically distributed lead screw (35) is threaded to the middle of the nut (33). The top of the lead screw (35) is connected to the bottom of the crushing shaft (26) through a connecting shaft (30). A guide device for limiting its rotation is provided on the nut (33).

8. The pecan nut processing oil quality testing equipment according to claim 7, characterized in that, The filter chamber (14) is equipped with multiple sets of parallel filter plates (36) that are installed at equal intervals in the longitudinal direction. The mesh diameter of the filter plates (36) decreases sequentially from top to bottom.

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