Equipment for extracting wood oil by water substitution method

Abstract

The present invention relates to an apparatus for extracting wood oil by a water substitution method, comprising a table top and a supporting frame at the bottom thereof, wherein the table top is partially concave to form a stirring tank, a grinding mechanism for grinding oil and a water injection tank for adding water to the stirring tank are provided on the table top, and a discharge port of the grinding mechanism is located above the stirring tank; a first driving mechanism, a second driving mechanism and a first receiving box are provided inside the supporting frame, a heating device is provided at the bottom of the stirring tank, a stirring rod is provided in the stirring tank, the stirring rod comprises a rotating shaft and spiral blades on the rotating shaft, and the first driving mechanism is used to drive the stirring rod to rotate; a discharge gate is provided on the stirring tank, and the second driving mechanism is used to control the opening degree of the discharge gate; the first receiving box opens upward and is provided below the discharge gate. Compared with the prior art, the present invention provides an apparatus for extracting wood oil by a water substitution method, which has a high degree of automation, saves time and labor, and has controllable process parameters, so that the oil yield is high and the oil quality is good.

Description

Technical Field

[0001] The invention relates to the technical field of vegetable oil production, in particular to equipment for extracting woody oil using a water substitution method. Background Art

[0002] The water substitution method, also known as the "water-for-oil" method, is a traditional oil extraction method suitable for the extraction of most woody or herbal oils such as walnut oil, tea seed oil, olive oil, and peanut oil. The water substitution method for producing vegetable oil utilizes the different affinities of non-oil components in oils to oil and water. The production process is usually to grind the oil, stir the oil, and heat it to raise its temperature. Then, a certain amount of hot water is added and stirred. During the stirring process, water will replace the oil in the oil. Finally, the replaced oil and the oil residue are separated to obtain vegetable oil. In the existing technology, the steps of adding water, stirring, filtering and separating in the production process are mainly completed manually, which is not only time-consuming and labor-intensive, but also inefficient. In addition, process parameters such as the amount of water added, water temperature control, stirring time, etc. are difficult to accurately control, which may result in a low final oil yield and oil quality. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for extracting wood oil by water substitution method to solve the problems that the prior art uses water substitution method to extract wood oil, which mainly relies on manual oil production, is time-consuming and labor-intensive, and the oil yield and oil quality are difficult to control.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] The mixing tank is provided with a plurality of channels, and the mixing tank is provided with a plurality of channels, and the mixing tank is provided with a plurality of channels.

[0006] The present invention adopts the above-mentioned technical solution, grinds the oil by the grinding mechanism, and after the ground oil falls into the stirring tank, the first driving mechanism drives the stirring rod to stir the oil, and at the same time, the heating device heats the oil evenly until the oil temperature reaches the critical temperature (the temperature at which the protein in the oil is deformed into "emulsified protein", usually 60°C-70°C); then pure water suitable for the temperature and dosage required by the process is automatically added through the water injection tank, and the first driving mechanism drives the stirring rod to rotate alternately in forward and reverse directions, and continues to stir for a certain time. During this stirring process, the emulsified protein in the oil absorbs pure water and releases oil. At the same time, the spiral blades on the stirring rod will alternately push the oil to the two opposite inner walls of the stirring tank along the axial direction. The spiral blades and the inner wall can squeeze the oil. After absorbing water, the oil has stronger viscosity and will gradually form a mass after being squeezed; after stirring for a certain time, the oil in the oil is fully released. At this time, the oil in the stirring tank is filled with The invention is characterized in that the invention can be used to extract wood oil by water, and the water-saving device can be used to extract wood oil by water. The invention also can be used to extract wood oil by water. The invention also can be used to extract wood oil by water.

[0007] Furthermore, it also includes an electrically connected touch screen and a PLC control cabinet. The grinding mechanism, water injection tank, heating device, first drive mechanism and second drive mechanism are electrically connected to the PLC control cabinet respectively. The operator observes the equipment operation status and sets and adjusts the process parameters through the touch screen. The PLC control cabinet collects real-time parameters of the material, calculates parameters, and controls the equipment to operate fully automatically according to the required process.

[0008] Furthermore, the first driving mechanism is a first motor, which is connected to the rotating shaft through a chain drive. The first motor stably and reliably drives the spiral blades on the rotating shaft through the chain drive to stir the mixture of surface oil and water, ensuring sufficient stirring and good oil output effect.

[0009] Furthermore, the discharge gate includes a discharge port on the side wall of the mixing tank and a gate plate on the outside of the side wall. The second driving mechanism is a first electric push rod. The movable end of the first electric push rod is connected to the gate plate, driving the gate plate to fit into or away from the side wall to block or open the discharge port. The discharge port is opened and closed by using a structure that cooperates with the electric push rod and the gate plate. The structure is simple, stable and reliable.

[0010] Furthermore, a second material receiving box and a third driving mechanism are also provided in the support frame. The second material receiving box is arranged side by side with the first material receiving box. The third driving mechanism is used to drive the first material receiving box and the second material receiving box to move horizontally. The second material receiving box is used to receive oil residue. The third driving mechanism drives the first material receiving box or the second material receiving box to move horizontally so that its upper opening is aligned with the discharge gate.

[0011] Furthermore, a common base is provided at the bottom of the first material receiving box and the second material receiving box, two parallel guide rails are provided on the support frame, the base is slidably connected to the guide rails, and the third driving mechanism is a second electric push rod, which is provided on the support frame and has a movable end connected to the base. The electric push rod is used to push the first material receiving box and the second material receiving box to move horizontally along the guide rails. This structure is simple, stable and reliable.

[0012] Furthermore, a third material receiving box is provided on the base and is arranged side by side with the first material receiving box and the second material receiving box. The third material receiving box is used to receive sewage after cleaning the mixing tank.

[0013] Furthermore, the grinding mechanism includes a second motor and a feed port, a material channel, a grinding chamber and the discharge port that are connected in sequence. The feed port is in the shape of a trumpet with its opening facing upward, and the discharge port is downward. The material channel is horizontally arranged below the feed port, and its two ends are respectively connected to the grinding chamber and the second motor. A grinding disc is provided in the grinding chamber, and a horizontal connecting rod is provided in the material channel. The two ends of the connecting rod are respectively connected to the grinding disc and the rotating shaft of the second motor. A spiral blade for axially pushing the oil is provided on the connecting rod. After the oil is placed in the feed port, it falls into the material channel and is pushed into the grinding chamber by the spiral blade. After being ground by the grinding disc, the oil falls out from the discharge port and falls into the stirring tank below.

[0014] Furthermore, the heating device includes a plurality of heating tubes and a heat-conducting block wrapped around the outside. The heat-conducting block is tightly arranged at the bottom of the stirring tank. The heat-conducting block is tightly attached to the entire bottom of the stirring tank to ensure that the stirring material in the tank is heated evenly.

[0015] Furthermore, a protective cover is provided on the table top, and the water injection tank and other parts of the grinding mechanism except the feed port are arranged inside the protective cover, separating the internal equipment from the operator, which not only protects personal safety but also prevents foreign matter from falling into the mixing tank.

[0016] Compared with the prior art, the beneficial effects of the present invention are: providing an equipment for extracting woody oil using a water substitution method, which has a high degree of automation, saves time and labor, and has controllable process parameters, resulting in a high oil yield and good oil quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 Schematic diagram of the internal structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of the stirring tank related mechanism;

[0020] Figure 4 This is a structural diagram of the stirring tank related mechanism from another perspective;

[0021] Figure 5 This is a schematic diagram of the structure of the relevant mechanism of the material receiving box;

[0022] Figure 6 This is a structural diagram of the relevant mechanism of the material receiving box from another perspective;

[0023] Figure 7 Schematic diagram of the grinding mechanism structure.

[0024] Markings in the figure: 1-table, 2-support frame, 3-mixing tank, 4-grinding mechanism, 5-water injection tank, 6-first material receiving box, 7-second material receiving box, 8-third material receiving box, 9-first motor, 10-first electric push rod, 11-second electric push rod, 12-rotating shaft, 13-spiral blade, 14-gate, 15-base, 16-guide rail, 17-baffle, 18-filter, 19-oil extraction hole, 20-second motor, 21-feed port, 22-material channel, 23-grinding chamber, 24-discharge port, 25-heating pipe, 26-heat conducting block, 27-protective cover, 28-touch screen, 29-PLC control cabinet, 30-tool box, 31-card slot. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below with reference to the accompanying drawings.

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] The embodiment of the present invention provides a device for extracting wood oil by water substitution method, such as Figure 1-7 As shown, it includes a table top 1 and a support frame 2 at its bottom. The table top 1 is partially concave to form a mixing tank 3. A grinding mechanism 4 for grinding oil and a water injection tank 5 for adding water to the mixing tank are provided on the table top 1. The discharge port 24 of the grinding mechanism 4 is located above the mixing tank 3. A first driving mechanism, a second driving mechanism and a first material receiving box 6 are provided inside the support frame 2. A heating device is provided at the bottom of the mixing tank 3. A stirring rod is provided in the mixing tank 3. The stirring rod includes a rotating shaft 12 and a spiral blade 13 on the rotating shaft 12. The rotating shaft 12 passes through the two opposite side plates of the mixing tank 3 horizontally and is hinged to the two side plates. The spiral blade 13 The rotary blade 9 is arranged on the portion of the rotating shaft 12 located between the two side plates; the first drive mechanism is in transmission connection with the rotating shaft 12; the mixing tank 3 is provided with a discharge gate, and the second drive mechanism is used to control the opening degree of the discharge gate; the first material receiving box 6 opens upward and is located below the discharge gate; a filter screen 18 for filtering oil residue is provided at the upper opening of the first material receiving box 6; specifically, two stirring rods are provided side by side in the mixing tank 3, the rotating shafts 12 of the two rods are parallel to each other and arranged horizontally, the spiral blades 13 of the two rods do not interfere with each other, and both are left-handed or right-handed, which can achieve a better stirring effect;

[0028] The system further includes an electrically connected touch screen 28 and a PLC control cabinet 29. The grinding mechanism 4, the water injection tank 5, the heating device, the first drive mechanism, and the second drive mechanism are all electrically connected to the PLC control cabinet 29. The touch screen 28 is a 7-inch LCD touch screen embedded in the protective cover 27. The PLC control cabinet 29 is installed in the support frame 2. The operator observes the operating status of the equipment and sets and adjusts process parameters through the touch screen 28. The PLC control cabinet 29 collects real-time material parameters, calculates parameters, and controls the equipment to automatically operate according to the required process.

[0029] The first driving mechanism is a first motor 9, which is connected to the rotating shaft 12 via a chain drive. Specifically, both ends of the two rotating shafts 12 extend out of two opposite side plates on the mixing tank 3 and are inserted into the bearing seats on the support frame 2. The rotating shafts 12 and the two side plates are hinged at the intersection. The ends of the two rotating shafts 12 close to the first motor 9 are each provided with a first transmission gear. The rotating shaft of the first motor 9 is provided with a second transmission gear. The two first transmission gears and the second transmission gear are coplanar and connected via a closed tooth chain drive.

[0030] The discharge gate includes a discharge port on the side wall of the mixing tank 3 and a gate 14 on the outside of the side wall. The second driving mechanism is a first electric push rod 10. The movable end of the first electric push rod 10 is connected to the gate 14, driving the gate 14 to fit into or away from the side wall to block or open the discharge port. A circle of baffles 17 is also provided on the outside of the side wall of the mixing tank 3 for guiding the discharged material. The second driving mechanism can also be a linear motor, which can also drive the gate 14 to move in a straight line.

[0031] A second receiving box 7 and a third driving mechanism are also provided in the support frame 2. The second receiving box 7 is arranged side by side with the first receiving box 6. The third driving mechanism is used to drive the first receiving box 6 and the second receiving box 7 to move in parallel. The third driving mechanism is electrically connected to the PLC control cabinet 29.

[0032] A common base 15 is provided at the bottom of the first receiving box 6 and the second receiving box 7. Two parallel guide rails 16 are provided on the support frame 2. The base 15 is slidably connected to the guide rails 16. The third driving mechanism is a second electric push rod 11. The second electric push rod 11 is provided on the support frame 2, and its movable end is connected to the base 15. The third driving mechanism can also be a linear motor, which can also drive the base 15 to move in a straight line.

[0033] The base 15 is further provided with a third receiving box 8 arranged side by side with the first receiving box 6 and the second receiving box 7. The third receiving box 8 is used to receive sewage after cleaning the mixing tank 3.

[0034] The grinding mechanism 4 includes a second motor 20 and a feed inlet 21, a material channel 22, a grinding chamber 23 and a discharge port 24 connected in sequence. The feed inlet 21 is in the shape of a trumpet with its opening facing upward, and the discharge port 24 faces downward. The material channel 22 is horizontally arranged below the feed inlet 21, and its two ends are respectively connected to the grinding chamber 23 and the second motor 20. A grinding disc is provided in the grinding chamber 23, and a horizontal connecting rod is provided in the material channel 22. The two ends of the connecting rod are respectively connected to the grinding disc and the rotating shaft of the second motor 20. The connecting rod is provided with a spiral blade for axially pushing the oil.

[0035] The heating device includes a plurality of heating tubes 25 and a heat conducting block 26 wrapped around the outside. The heat conducting block 26 is closely arranged at the bottom of the stirring tank 3.

[0036] A protective cover 27 is provided on the table 1, and all parts of the water filling tank 5 and the grinding mechanism 4 except the feed port 21 are arranged inside the protective cover 27;

[0037] A tool box 30 is also provided in the support frame 2, which contains a high-pressure water gun for flushing the mixing tank 3 after the oil production is completed;

[0038] The support frame 2 is provided with normally closed protective doors on all four sides. One side of the protective doors is provided with a slot 31 for placing an oil extraction hose. The oil extraction hose cooperates with the oil extraction hole 19 at the bottom of the first material receiving box 6 to extract oil and fill it into the oil container.

[0039] The following is a detailed description of the steps for using this device:

[0040] Grinding stage: the oil is put into the feed port 21, the oil is ground by the grinding mechanism 4, and the ground oil falls into the mixing tank 3 from the discharge port 24;

[0041] Initial stirring: PLC controls the first motor 9 to rotate forward for 2 seconds - stop for 50 milliseconds - reverse for 2 seconds - stop for 50 milliseconds, and operate in this cycle; keep the gate 14 close to the side plate of the stirring tank 3 to ensure that the discharge port is blocked, the heating device heats the oil evenly, and the two stirring rods rotate in the same direction to evenly stir the ground powdered oil (similar to manual stir-frying), so that the powdered oil reaches a uniform temperature of about 65 degrees Celsius (the temperature condition for protein denaturation to "emulsified protein");

[0042] Add water and discharge oil: When the temperature condition is reached (the protein has reached an emulsified state), the PLC controls the water injection tank to add the correct dose of pure water of about 70 degrees Celsius, and controls the first motor 9 to rotate forward for 6 seconds - stop for 50 milliseconds - reverse for 6 seconds - stop for 50 milliseconds, and operate in this way in a cycle, driving the two stirring rods to rotate to stir the oil; after adding water, the emulsified protein in the oil quickly absorbs water and releases oil. At the same time, the spiral blades 13 on the stirring rod will push the oil to one inner wall of the stirring tank axially during the 6 seconds of forward rotation, and then push the oil to the other inner wall of the stirring tank axially during the 6 seconds of reverse rotation. The spiral blades 13 and the inner wall can squeeze the oil. The oil after absorbing water has stronger viscosity and will gradually form a mass after being squeezed (similar to manual kneading). After stirring for a certain period of time, the oil in the oil is fully released. At this time, the stirring tank is filled with a mixture of solid oil residue and wood oil in a mass. The two have been separated in shape, which is convenient for subsequent separation of oil and oil residue;

[0043] Oil residue separation: The second electric push rod 11 drives the first receiving box 6 to the bottom of the baffle 17, and the first electric push rod 10 drives the gate 14 to retract backward, and the gate is slightly opened (the opening is much smaller than the size of the oil residue). At the same time, the PLC controls the first motor 9 to reverse for 2.5 seconds - stop for 1 second - forward for 2 seconds - stop for 1 second, and operate in this way in a cycle, so that the spiral blade 13 transports the oil residue to the end away from the gate, and will not accumulate at the gate to affect the outflow of woody oil from the gate; the first receiving box 6 catches the leaked woody oil; when the woody oil is exhausted, The second electric push rod 11 drives the second receiving box 7 to directly below the baffle 17. The first electric push rod 10 drives the gate 14 to continue to retract backward, expanding the gate opening. The PLC controls the first motor 9 to rotate forward for 3 seconds, pause for 20 milliseconds, reverse for 2 seconds, and pause for 20 milliseconds, and then cycle in this manner. The spiral blades 13 not only propel the lumps of solid oil residue axially to the discharge port, but also cut larger lumps of oil residue into smaller lumps that can easily pass through the gate. The second receiving box 7 catches the leaked oil residue; thus, the woody oil and oil residue are separated. When the mixing tank 3 needs to be cleaned, the second electric push rod 11 drives the third receiving box 8 to directly below the baffle 17. The mixing tank 3 is then rinsed with a high-pressure water gun. The third receiving box 8 catches the wastewater that flows out.

[0044] The above-mentioned grinding mechanism 4, water injection tank 5, heating device, first motor 9, first electric push rod 10 and second electric push rod 11 are all controlled by PLC control cabinet 29, and automatically complete their respective functions. In addition, the above-mentioned devices are all integrated on the table 1 and in the support frame 2, with a compact layout and small space occupation. Compared with the prior art of using water substitution method to extract woody oil, which mainly relies on manual oil production, is time-consuming and labor-intensive, and the oil yield and oil quality are difficult to control, the present invention provides an equipment for extracting woody oil using water substitution method, which has a high degree of automation, saves time and labor, and has controllable process parameters, so that the oil yield is high and the oil quality is good; at the same time, except for adding pure water, no additives are added in the entire process, so the extracted oil is not only pure natural zero-additive healthy oil, but the oil residue after the oil is extracted can also be used as healthy food (such as fat-free protein, healthy snacks, desserts, etc.).

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for extracting woody oil by water substitution method, characterized in that: The invention comprises a table (1) and a support frame (2) at the bottom thereof, wherein the table (1) is partially concave to form a stirring tank (3), a grinding mechanism (4) for grinding oil and a water injection tank (5) for adding water to the stirring tank are provided on the table (1), and a discharge port (24) of the grinding mechanism (4) is located above the stirring tank (3); a first driving mechanism, a second driving mechanism and a first receiving box (6) are provided inside the support frame (2), a heating device is provided at the bottom of the stirring tank (3), a stirring rod is provided in the stirring tank (3), and the stirring rod The invention comprises a rotating shaft (12) and a spiral blade (13) on the rotating shaft (12), wherein the rotating shaft (12) passes through two opposite side plates of the mixing tank (3) in a transverse direction and is hinged to the two side plates, and the spiral blade (13) is arranged on the portion of the rotating shaft (12) located between the two side plates; the first driving mechanism is in transmission connection with the rotating shaft (12); a discharge gate is provided on the mixing tank (3), and the second driving mechanism is used to control the opening degree of the discharge gate; the first receiving box (6) opens upward and is arranged below the discharge gate.

2. The equipment for extracting woody oil by water substitution method according to claim 1, characterized in that: It also includes an electrically connected touch screen (28) and a PLC control cabinet (29), and the grinding mechanism (4), the water injection tank (5), the heating device, the first drive mechanism and the second drive mechanism are all electrically connected to the PLC control cabinet (29).

3. The equipment for extracting woody oil by water substitution method according to claim 1, characterized in that: The first driving mechanism is a first motor (9), and the first motor (9) is connected to the rotating shaft (12) via a chain drive.

4. The equipment for extracting woody oil by water substitution method according to claim 1, characterized in that: The discharge gate comprises a discharge port on the side wall of the stirring tank (3) and a gate plate (14) outside the side wall, and the second driving mechanism is a first electric push rod (10), the movable end of the first electric push rod (10) is connected to the gate plate (14), and drives the gate plate (14) to fit into or away from the side wall to block or open the discharge port.

5. The equipment for extracting woody oil by water substitution method according to claim 1, characterized in that: A second material receiving box (7) and a third driving mechanism are also provided in the support frame (2); the second material receiving box (7) and the first material receiving box (6) are arranged side by side; and the third driving mechanism is used to drive the first material receiving box (6) and the second material receiving box (7) to move in translation.

6. The equipment for extracting woody oil by water substitution method according to claim 5, characterized in that: A common base (15) is provided at the bottom of the first material receiving box (6) and the second material receiving box (7); two parallel guide rails (16) are provided on the support frame (2); the base (15) is slidably connected to the guide rails (16); the third driving mechanism is a second electric push rod (11); the second electric push rod (11) is provided on the support frame (2), and its movable end is connected to the base (15).

7. The equipment for extracting woody oil by water substitution method according to claim 6, characterized in that: The base (15) is also provided with a third material receiving box (8) arranged side by side with the first material receiving box (6) and the second material receiving box (7). The third material receiving box (8) is used to receive sewage after cleaning the stirring tank (3).

8. The equipment for extracting woody oil by water substitution method according to claim 3, characterized in that: The grinding mechanism (4) includes a second motor (20) and a feed port (21), a material channel (22), a grinding chamber (23) and the discharge port (24) connected in sequence. The feed port (21) is in the shape of a trumpet with its opening facing upward, and the discharge port (24) faces downward. The material channel (22) is horizontally arranged below the feed port (21), and its two ends are respectively connected to the grinding chamber (23) and the second motor (20). A grinding disc is provided in the grinding chamber (23), and a horizontal connecting rod is provided in the material channel (22). The two ends of the connecting rod are respectively connected to the grinding disc and the rotating shaft of the second motor (20). The connecting rod is provided with a spiral blade for axially pushing oil.

9. The equipment for extracting woody oil by water substitution method according to claim 1, characterized in that: The heating device comprises a plurality of heating tubes (25) and a heat conducting block (26) wrapped around the outside, and the heat conducting block (26) is closely arranged on the bottom of the stirring tank (3).

10. The equipment for extracting woody oil by water substitution method according to claim 8, characterized in that: A protective cover (27) is provided on the table (1), and all parts of the water injection tank (5) and the grinding mechanism (4) except the feed port (21) are arranged inside the protective cover (27).

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