A fat leacher and process for bio-fat production

Abstract

The application discloses a kind of oil leaching device and process for biological oil production, it is related to oil leaching device technical field, including: reaction tank, the reaction tank is used for the reaction container when oil leaching;Support frame, the support frame is fixedly installed on the outer wall of reaction tank, for supporting reaction tank;Feed pipe, the feed pipe is fixedly installed at the top of reaction tank, for the entering direction of material;Discharge pipe, the discharge pipe is fixedly installed at the bottom of reaction tank, for guiding out material after reaction is completed;The inside of the reaction tank is provided with stirring device, by the cooperation of two half-round plates, the bottom of feed pipe is closed, prevent the oil to be treated from entering and breaking the originally set solvent and oil ratio, cause the concentration of leaching solution to be abnormal, affect subsequent oil separation and solvent recovery and other processes, simultaneously, the entering of oil can change the total volume and heat capacity of material, and then affect the control of leaching temperature.

Description

Technical Field

[0001] This invention relates to the field of oil extraction technology, specifically to an oil extraction device and process for the production of bio-oils. Background Technology

[0002] In the production of bio-oils, an oil extractor is a key piece of equipment that efficiently extracts oil from oilseeds by dissolving it with a solvent. Its core principle is to use a solvent to contact the oilseeds, dissolve and separate the oil, and then recover the solvent through evaporation to obtain crude oil.

[0003] Patent publication number CN208701001U relates to the field of oil leaching technology, providing a high-efficiency oil leaching device. This high-efficiency oil leaching device includes a base with support legs fixedly connected to the four corners of the base. A working box is fixedly connected to the top of the base, and an operation panel is fixedly connected to the front of the working box. An leaching frame is installed inside the working box, with its top extending through the working box and above it. A hinged cover is movably connected to the top of the leaching frame. A fixing plate is fixedly connected to the surface of the leaching frame above the working box. An electric push rod is fixedly mounted on the side of the working box via a base. This high-efficiency oil leaching device features an leaching frame for holding oil. A motor drives a stirring blade to rotate, thus stirring the oil and ensuring full contact between the oil and solvent, allowing the oil to leach out quickly. The electric push rod moves the leaching frame up and down to allow the leachated oil to flow out.

[0004] In the aforementioned patent, a motor can drive the stirring blades to rotate, thereby stirring the oil and ensuring that the oil and solvent come into full contact, thus allowing the oil to leach out the grease in a short time. However, it is difficult to seal the oil inlet during the leaching process, which can easily cause the oil to re-enter the device before the process is complete, leading to processing failure. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an oil extractor and process for bio-oil production, solving the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an oil extractor for bio-oil production, comprising: a reaction tank, used as a reaction vessel for oil extraction; a support frame, fixedly installed on the outer wall of the reaction tank for supporting the reaction tank; a feed pipe, fixedly installed on the top of the reaction tank for guiding the material in; and a discharge pipe, fixedly installed on the bottom of the reaction tank for discharging the material after the reaction is completed; a stirring device is provided inside the reaction tank.

[0007] The stirring device includes a motor, a rotating shaft, a connecting plate, an electric telescopic rod, a stirring rod, a semi-circular plate, and an inclined block. The motor is fixedly installed on the top of the reaction tank, the rotating shaft is fixedly installed on the output end of the motor, the connecting plate is fixedly installed on the bottom of the rotating shaft, the electric telescopic rod is fixedly installed on the bottom of the connecting plate, the stirring rod is fixedly installed on the bottom of the output end of the electric telescopic rod, the semi-circular plate is slidably installed on the top of the slide rail, and the inclined block is fixedly installed on the bottom of the semi-circular plate. When the stirring rod starts to move downward by the electric telescopic rod, it no longer pushes the bottom ring. Then, the bottom ring starts to move downward under the action of gravity. The movement of the bottom ring drives the slide rod to move downward. The downward movement of the slide rod no longer pushes the inclined block to move. Then, the inclined block starts to move towards the feed pipe and reset under the action of the spring. The movement of the inclined block drives the semi-circular plate to move and reset on the top of the slide rail.

[0008] According to the above technical solution, the stirring device further includes a slide rod, a bottom ring, and a slide rail. The slide rod is slidably installed on the inner wall of the reaction tank, the bottom ring is fixedly installed on the bottom of the slide rod, and the slide rail is fixedly installed inside the reaction tank. The sides of the slide rod that contact the inclined block are both set as inclined surfaces. A spring is provided between the semicircular plate and the inside of the reaction tank. The inclined surfaces ensure that the slide rod can smoothly push the inclined block when it moves, and the spring ensures that the semicircular plate can achieve self-reset.

[0009] The top of the reaction vessel is equipped with a ventilation device for ventilation during the reaction and a limiting device for filtering the gases generated during the reaction. The ventilation device ensures that the vapors of the solvent can be discharged from the leachate in a timely manner, and the limiting device ensures that the ventilation system operates stably.

[0010] According to the above technical solution, the ventilation device includes a push rod, a ventilation pipe, a fixed plate, an elastic telescopic rod, a sealing plate, and a bottom rod. The push rod is fixedly installed at the bottom of the semicircular plate, the ventilation pipe is fixedly installed at the top of the reaction tank, the fixed plate is fixedly installed on the inner wall of the ventilation pipe, the elastic telescopic rod is fixedly installed at the bottom of the fixed plate, the sealing plate is fixedly installed at the bottom of the movable end of the elastic telescopic rod, and the bottom rod is fixedly installed at the bottom of the sealing plate. As the semicircular plate begins to move and reset at the top of the slide rail, it drives the push rod to begin to move. The moving push rod contacts and pushes the bottom rod to begin to move downward. The moving bottom rod drives the sealing plate to begin to move downward, and the moving sealing plate opens the channel between the ventilation pipe and the reaction tank.

[0011] According to the above technical solution, the ventilation device also includes a second motor, a rotating rod, and fan blades. The second motor is fixedly installed at the bottom of the fixed plate, the rotating rod is fixedly installed at the output end of the second motor, and the fan blades are fixedly installed on the circumferential surface of the rotating rod. After the passage between the ventilation pipe and the reaction tank is opened by moving the sealing plate, the second motor can be manually turned on by the staff when needed. When the second motor drives the rotating rod to start rotating, the rotating rod drives the fan blades to start rotating.

[0012] According to the above technical solution, the surfaces of the push rod and the bottom rod that come into contact with each other are both set as inclined surfaces. The sealing plate contacts the ventilation pipe. By setting the inclined surfaces, it is ensured that the push rod can smoothly push the bottom rod when moving. By contacting, it is ensured that the sealing plate can control the opening and closing of the ventilation pipe channel.

[0013] According to the above technical solution, the limiting device includes a top pipe, an absorption box, a handle, and a limiting rod. The top pipe is fixedly installed on the top of the ventilation pipe, the absorption box is slidably installed inside the top pipe, the handle is fixedly installed at the front of the absorption box, and the limiting rod is fixedly installed on the top of the sealing plate. When the sealing plate starts to move downward to open the channel between the ventilation pipe and the reaction vessel, it drives the limiting rod to move downward. The limiting rod moves and contacts the limiting groove on the absorption box, thus limiting the absorption box.

[0014] According to the above technical solution, the limiting device also includes a sliding plate, a second inclined block, and a fixed rod. The sliding plate is slidably installed inside the top pipe, the second inclined block is fixedly installed at the bottom of the sliding plate, and the fixed rod is fixedly installed at the top of the absorption box. When the worker takes out the absorption box for replacement or cleaning by the handle after the work is completed, the absorption box starts to move under the action of the handle. The movement of the absorption box causes the fixed rod to start to move. The fixed rod moves and no longer contacts the second inclined block. Then the sliding plate starts to move and reset under the action of the second spring.

[0015] According to the above technical solution, a limiting groove is provided on the top of the absorption box, and the side of the fixed rod that contacts the inclined block 2 is set as an inclined surface. A spring 2 is provided between the sliding plate and the top tube. The limiting groove ensures that the absorption box can be restricted, the inclined surface ensures that the fixed rod can smoothly push the inclined block 2 when moving, and the spring ensures that the sliding plate can achieve self-reset.

[0016] A production process for a bio-oil extractor, using the aforementioned bio-oil extractor for bio-oil production, includes the following steps:

[0017] Step 1: Before starting the oil processing, the staff will check the working status of the oil extractor. After the staff has checked and confirmed that there are no problems, the staff will introduce the oil into the reaction tank through the feed pipe. After the oil is introduced, a certain amount of solvent will be introduced into the reaction tank.

[0018] Step 2: After the oil is introduced, the staff will start the electric telescopic rod, which will drive the stirring rod to move downwards. The stirring rod will stop after it reaches the inside of the oil. Then, the first motor will be started, which will drive the rotating shaft to rotate. The rotating shaft will drive the connecting plate to rotate, which in turn will drive the electric telescopic rod to rotate. The rotation of the electric telescopic rod will drive the stirring rod to rotate, causing the oil particles to tumble continuously in the solvent.

[0019] Step 3: When the electric telescopic rod drives the stirring rod to start moving downwards, it stops pushing the bottom ring. Then, the bottom ring starts moving downwards under the action of gravity. The movement of the bottom ring drives the slide rod to start moving downwards. The slide rod stops pushing the inclined block to start moving. Then, the inclined block starts moving towards the feed pipe to reset under the action of the spring. The movement of the inclined block drives the semicircular plate to start moving and resetting at the top of the slide rail. With the cooperation of the two semicircular plates, the bottom of the feed pipe is sealed.

[0020] This invention provides an oil extraction apparatus for bio-oil production. It has the following beneficial effects:

[0021] (1) In this invention, the electric telescopic rod is rotated to drive the stirring rod to start rotating. The rotation of the stirring rod causes the oil particles to tumble continuously in the solvent, dispersing the oil particles that are piled up or agglomerated, so that more oil surface can directly contact the solvent, greatly increasing the contact area between the oil and the solvent, so that the oil can dissolve from the oil into the solvent more quickly, and at the same time the oil in the oil can diffuse into the solvent more quickly, thereby accelerating the mass transfer rate and improving the leaching efficiency.

[0022] (2) The invention seals the bottom of the feed pipe by the cooperation of two semi-circular plates to prevent the oil to be treated from entering and breaking the original set ratio of solvent to oil, resulting in abnormal concentration of leachate, affecting subsequent oil separation and solvent recovery processes. At the same time, the entry of oil will change the total volume and heat capacity of the material, thereby affecting the control of leaching temperature, prolonging leaching time, and may even lead to incomplete leaching.

[0023] (3) This invention opens the channel between the ventilation pipe and the reaction tank by moving the sealing plate, which can promptly discharge the vapor of the solvent from the leachator, prevent it from accumulating in the equipment, reduce safety hazards such as explosion, and promote the mass transfer process between the solvent and the oil in a direction that is conducive to the leaching of oil, thereby improving the leaching efficiency. By rotating the fan blades, cold air from the outside can be introduced or hot air can be discharged to achieve heat exchange, thereby regulating the temperature in the leachator and keeping it within a suitable working range, preventing the oil quality from being affected by excessively high temperature or causing an increase in solvent loss.

[0024] (4) The invention restricts the absorption box by moving the limiting rod to contact the limiting groove on the absorption box and restricting the absorption box. This prevents the absorption box from being displaced due to vibration when the leaching machine is working, which would affect the sealing of the ventilation system and ensure the stable operation of the ventilation system. This, in turn, ensures that the solvent vapor in the leaching machine can be effectively discharged.

[0025] (5) The invention seals the top of the jacking tube by the cooperation of two sliding plates, preventing dust, debris, insects and other foreign objects from entering the leaching tank. At the same time, it can maintain a relatively stable temperature and humidity environment inside the leaching tank, which helps to extend the service life of the equipment. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a cross-sectional schematic diagram of the electric telescopic rod and stirring rod structure of the present invention;

[0028] Figure 3 This is a cross-sectional schematic diagram of the stirring device structure of the present invention;

[0029] Figure 4 This is a cross-sectional schematic diagram of the slide rail and semi-circular plate structure of the present invention;

[0030] Figure 5 This is a cross-sectional view of the ventilation device structure of the present invention;

[0031] Figure 6 This is a cross-sectional schematic diagram of the fixed plate and the motor structure of the present invention;

[0032] Figure 7 This is a cross-sectional schematic diagram of the limiting device structure of the present invention;

[0033] Figure 8 This is a cross-sectional schematic diagram of the two structures of the sliding plate and the inclined block of the present invention.

[0034] In the diagram: 1. Reaction vessel; 2. Support frame; 3. Feed pipe; 4. Discharge pipe; 5. Motor 1; 6. Rotating shaft; 7. Connecting plate; 8. Electric telescopic rod; 9. Stirring rod; 10. Slide rod; 11. Bottom ring; 12. Slide rail; 13. Semicircular plate; 14. Inclined block 1; 151. Push rod; 152. Ventilation pipe; 153. Fixing plate; 154. Elastic telescopic rod; 155. Sealing plate; 156. Bottom rod; 157. Motor 2; 158. Rotating rod; 159. Fan blade; 161. Top pipe; 162. Absorption box; 163. Handle; 164. Limiting rod; 165. Slide plate; 166. Inclined block 2; 167. Fixing rod. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figures 1-8 One embodiment of the present invention is: an oil extractor for bio-oil production, comprising: a reaction tank 1, which is a reaction vessel for oil extraction; a support frame 2, which is fixedly installed on the outer wall of the reaction tank 1 for supporting the reaction tank 1; a feed pipe 3, which is fixedly installed on the top of the reaction tank 1 for guiding the material in; and a discharge pipe 4, which is fixedly installed on the bottom of the reaction tank 1 for discharging the material after the reaction is completed; and a stirring device is provided inside the reaction tank 1.

[0037] The stirring device includes a motor 5, a rotating shaft 6, a connecting plate 7, an electric telescopic rod 8, a stirring rod 9, a semi-circular plate 13, and an inclined block 14. The motor 5 is fixedly installed on the top of the reaction tank 1, the rotating shaft 6 is fixedly installed on the output end of the motor 5, the connecting plate 7 is fixedly installed on the bottom of the rotating shaft 6, the electric telescopic rod 8 is fixedly installed on the bottom of the connecting plate 7, the stirring rod 9 is fixedly installed on the bottom of the output end of the electric telescopic rod 8, the semi-circular plate 13 is slidably installed on the top of the slide rail 12, and the inclined block 14 is fixedly installed on the bottom of the semi-circular plate 13. The bottom of the feed pipe 3 is sealed by the cooperation of the two semi-circular plates 13 to prevent the oil to be treated from entering and disrupting the originally set solvent-oil ratio, resulting in abnormal leachate concentration, affecting subsequent oil separation and solvent recovery processes. At the same time, the entry of oil will change the total volume and heat capacity of the material, thereby affecting the control of the leaching temperature, prolonging the leaching time, and may even lead to incomplete leaching.

[0038] The stirring device also includes a slide rod 10, a bottom ring 11, and a slide rail 12. The slide rod 10 is slidably installed on the inner wall of the reaction vessel 1, the bottom ring 11 is fixedly installed on the bottom of the slide rod 10, and the slide rail 12 is fixedly installed inside the reaction vessel 1. The sides of the slide rod 10 that contact the inclined block 14 are both set as inclined surfaces. A spring is provided between the semicircular plate 13 and the inside of the reaction vessel 1. The inclined surfaces ensure that the slide rod 10 can smoothly push the inclined block 14 when it moves, and the spring ensures that the semicircular plate 13 can achieve self-reset.

[0039] A production process for a bio-oil extractor, using the aforementioned bio-oil extractor for bio-oil production, includes the following steps:

[0040] Step 1: Before starting to process the oil, the staff will check the working status of the oil extractor. After the staff has checked and confirmed that there are no problems, the staff will introduce the oil into the reaction tank 1 through the feed pipe 3. After the oil is introduced, a certain amount of solvent will be introduced into the reaction tank 1.

[0041] Step 2: After the oil is introduced, the staff will start the electric telescopic rod 8, which will drive the stirring rod 9 to move downwards. The stirring rod 9 will stop after it moves into the oil. Then, the motor 5 will be started, which will drive the rotating shaft 6 to rotate. The rotation of the rotating shaft 6 will drive the connecting plate 7 to rotate, which will drive the electric telescopic rod 8 to rotate, which will drive the stirring rod 9 to rotate. The rotation of the stirring rod 9 will cause the oil particles to tumble continuously in the solvent.

[0042] Step 3: When the electric telescopic rod 8 drives the stirring rod 9 to start moving downward, it no longer pushes the bottom ring 11. Then, the bottom ring 11 starts to move downward under the action of gravity. The movement of the bottom ring 11 drives the slide rod 10 to start moving downward. The downward movement of the slide rod 10 no longer pushes the inclined block 14 to start moving. Then, the inclined block 14 starts to move and reset towards the feed pipe 3 under the action of the spring. The movement of the inclined block 14 drives the semi-circular plate 13 to start moving and reset at the top of the slide rail 12. With the cooperation of the two semi-circular plates 13, the bottom of the feed pipe 3 is sealed.

[0043] In this embodiment, the operation is as follows: Before processing the oil, the operator checks the working status of the oil extractor. After confirming that everything is in order, the operator introduces the oil into the reaction tank 1 through the feed pipe 3. After the oil is introduced, a certain amount of solvent is introduced into the reaction tank 1. After the reaction is complete, the reacted oil is discharged through the discharge pipe 4. After the oil is introduced, the operator starts the electric telescopic rod 8, which drives the stirring rod 9 to move downwards. The stirring rod 9 stops after it reaches the oil. Then, the motor 5 is started, which drives the rotating shaft 6 to rotate. The rotation of the rotating shaft 6 drives the connecting plate 7 to rotate, which in turn drives the electric telescopic rod 8 to rotate, which in turn drives the stirring rod 9 to rotate. The rotation of the stirring rod 9 causes the oil particles to tumble continuously in the solvent, dispersing the oil particles that are piled up or agglomerated, allowing more oil surface to directly contact the solvent. This greatly increases the contact area between the oil and the solvent, making the oil... The grease can dissolve more quickly from the oil into the solvent, and the grease in the oil can also diffuse more quickly into the bulk solvent, thereby accelerating the mass transfer rate and improving the leaching efficiency. When the electric telescopic rod 8 drives the stirring rod 9 to start moving downward, it no longer pushes the bottom ring 11. Then, the bottom ring 11 starts to move downward under the action of gravity. The movement of the bottom ring 11 drives the slide rod 10 to start moving downward. The downward movement of the slide rod 10 no longer pushes the inclined block 14 to start moving. Then, the inclined block 14 starts to move and reset towards the feed pipe 3 under the action of the spring. The movement of the inclined block 14 drives the semi-circular plate 13 to start moving and reset at the top of the slide rail 12. With the cooperation of the two semi-circular plates 13, the bottom of the feed pipe 3 is sealed to prevent the oil to be treated from entering and breaking the original set ratio of solvent to oil, resulting in abnormal concentration of leaching solution, affecting subsequent oil separation and solvent recovery processes. At the same time, the entry of oil will change the total volume and heat capacity of the material, thereby affecting the control of leaching temperature, prolonging the leaching time, and may even lead to incomplete leaching.

[0044] Please see Figures 1-8 Based on the above embodiments, in another embodiment of the present invention, the top of the reaction vessel 1 is provided with a ventilation device for ventilation during the reaction and a limiting device for filtering the gases generated in the reaction. The ventilation device ensures that the vapors of the solvent can be discharged from the leachate in a timely manner, and the limiting device ensures that the ventilation system operates stably.

[0045] The ventilation device includes a push rod 151, a ventilation pipe 152, a fixing plate 153, an elastic telescopic rod 154, a sealing plate 155, and a bottom rod 156. The push rod 151 is fixedly installed at the bottom of the semi-circular plate 13, the ventilation pipe 152 is fixedly installed at the top of the reaction tank 1, the fixing plate 153 is fixedly installed on the inner wall of the ventilation pipe 152, the elastic telescopic rod 154 is fixedly installed at the bottom of the fixing plate 153, the sealing plate 155 is fixedly installed at the bottom of the movable end of the elastic telescopic rod 154, and the bottom rod 156 is fixedly installed at the bottom of the sealing plate 155. By moving the sealing plate 155, the channel between the ventilation pipe 152 and the reaction tank 1 is opened, which can promptly discharge the vapors of the solvent from the leachate, prevent them from accumulating in the equipment, reduce safety hazards such as explosions, and also promote the mass transfer process between the solvent and the oil in a direction that is conducive to oil leaching, thereby improving the leaching efficiency.

[0046] The ventilation device also includes a second motor 157, a rotating rod 158, and a fan blade 159. The second motor 157 is fixedly installed at the bottom of the fixed plate 153, the rotating rod 158 is fixedly installed at the output end of the second motor 157, and the fan blade 159 is fixedly installed on the circumferential surface of the rotating rod 158. By rotating the fan blade 159, cold air from the outside can be introduced or hot air can be discharged to achieve heat exchange, thereby regulating the temperature inside the extractor and keeping it within a suitable working range to prevent the quality of the oil from being affected or the solvent loss from increasing due to excessively high temperature.

[0047] The sides of push rod 151 and bottom rod 156 that come into contact with each other are both set as bevels. The sealing plate 155 contacts the ventilation pipe 152. The bevels ensure that push rod 151 can smoothly push bottom rod 156 when it moves. The contact ensures that sealing plate 155 can control the opening and closing of ventilation pipe 152.

[0048] The limiting device includes a top pipe 161, an absorption box 162, a handle 163, and a limiting rod 164. The top pipe 161 is fixedly installed on the top of the ventilation pipe 152, the absorption box 162 is slidably installed inside the top pipe 161, the handle 163 is fixedly installed on the front of the absorption box 162, and the limiting rod 164 is fixedly installed on the top of the sealing plate 155. The limiting rod 164 moves to contact the limiting groove on the absorption box 162 and limits the absorption box 162, preventing the absorption box 162 from shifting due to vibration when the leachator is working, which would affect the sealing of the ventilation system, ensure the stable operation of the ventilation system, and thus ensure that the solvent vapor in the leachator can be effectively discharged.

[0049] The limiting device also includes a sliding plate 165, a second inclined block 166, and a fixing rod 167. The sliding plate 165 is slidably installed inside the top pipe 161, the second inclined block 166 is fixedly installed at the bottom of the sliding plate 165, and the fixing rod 167 is fixedly installed at the top of the absorption tank 162. The top of the top pipe 161 is sealed by the cooperation of the two sliding plates 165, which prevents external dust, debris, insects and other foreign objects from entering the leaching tank. At the same time, it can maintain a relatively stable temperature and humidity environment inside the leaching tank, which helps to extend the service life of the equipment.

[0050] The top of the absorption box 162 is provided with a limiting groove. The side of the fixed rod 167 that contacts the inclined block 166 is set as an inclined surface. A spring is provided between the slide plate 165 and the top tube 161. The limiting groove ensures that the absorption box 162 can be restricted. The inclined surface ensures that the fixed rod 167 can smoothly push the inclined block 166 when moving. The spring ensures that the slide plate 165 can achieve self-reset.

[0051] In this embodiment, as the semicircular plate 13 moves and resets at the top of the slide rail 12, it drives the push rod 151 to move. The push rod 151 moves and contacts the bottom rod 156, which then moves downward. The bottom rod 156 moves and drives the sealing plate 155 to move downward. The sealing plate 155 opens the channel between the ventilation pipe 152 and the reaction tank 1, allowing the solvent vapor to be discharged from the leachate in a timely manner, preventing it from accumulating in the equipment and reducing safety hazards such as explosions. It also promotes the mass transfer process between the solvent and the oil in a direction that is conducive to oil leaching, improving leaching efficiency. After the sealing plate 155 moves and opens the channel between the ventilation pipe 152 and the reaction tank 1, the operator can manually turn on the second motor 157 when needed. The second motor 157 drives the rotating rod 158 to start rotating. The rotating rod 158 drives the fan blade 159 to start rotating. The rotation of the fan blade 159 can introduce cold air from the outside or exhaust hot air to achieve heat exchange, thereby regulating the temperature inside the leachate and keeping it within a suitable working range to prevent the oil quality from being affected or the solvent loss from increasing due to excessive temperature.

[0052] As the sealing plate 155 begins to move downwards, opening the passage between the ventilation pipe 152 and the reaction vessel 1, the limiting rod 164 also begins to move downwards. The limiting rod 164 moves to contact the limiting groove on the absorption tank 162 and restricts the absorption tank 162, preventing displacement of the absorption tank 162 due to vibration during leaching, which would affect the sealing of the ventilation system and ensure stable operation of the ventilation system. This, in turn, ensures that solvent vapor in the leaching tank can be effectively discharged. After work is completed, the operator removes the absorption tank 162 using handle 163. When replacing or cleaning, the absorption box 162 begins to move under the action of the handle 163. The movement of the absorption box 162 causes the fixing rod 167 to move. The fixing rod 167 moves and no longer contacts the inclined block 166. Then, the sliding plate 165 begins to move and reset under the action of the spring. With the cooperation of the two sliding plates 165, the top of the top pipe 161 is sealed to prevent external dust, debris, insects and other foreign objects from entering the leaching tank. At the same time, it can maintain a relatively stable temperature and humidity environment inside the leaching tank, which helps to extend the service life of the equipment.

[0053] Although embodiments of the 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 to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil extractor for bio-oil production, characterized in that, include: Reaction vessel (1), the reaction vessel (1) is used as a reaction container for leaching oil; Support frame (2), which is fixedly installed on the outer wall of reaction vessel (1) to support reaction vessel (1); Feed pipe (3), which is fixedly installed on the top of the reaction vessel (1) and is used for guiding the material in; The discharge pipe (4) is fixedly installed at the bottom of the reaction tank (1) and is used to discharge the material after the reaction is completed; the reaction tank (1) is equipped with a stirring device. The stirring device includes a motor (5), a rotating shaft (6), a connecting plate (7), an electric telescopic rod (8), a stirring rod (9), a semicircular plate (13), and an inclined block (14). The motor (5) is fixedly installed on the top of the reaction tank (1), the rotating shaft (6) is fixedly installed on the output end of the motor (5), the connecting plate (7) is fixedly installed on the bottom of the rotating shaft (6), the electric telescopic rod (8) is fixedly installed on the bottom of the connecting plate (7), the stirring rod (9) is fixedly installed on the bottom of the output end of the electric telescopic rod (8), the semicircular plate (13) is slidably installed on the top of the slide rail (12), and the inclined block (14) is fixedly installed on the bottom of the semicircular plate (13). The stirring device also includes a slide rod (10), a bottom ring (11) and a slide rail (12). The slide rod (10) is slidably installed on the inner wall of the reaction tank (1). The bottom ring (11) is fixedly installed on the bottom of the slide rod (10). The slide rail (12) is fixedly installed inside the reaction tank (1). The side of the slide rod (10) that contacts the inclined block (14) is set as an inclined surface. A spring is provided between the semicircular plate (13) and the inside of the reaction tank (1). The top of the reaction vessel (1) is equipped with a ventilation device for ventilation during the reaction and a limiting device for filtering the gases generated during the reaction. The ventilation device includes a push rod (151), a ventilation pipe (152), a fixing plate (153), an elastic telescopic rod (154), a sealing plate (155), and a bottom rod (156). The push rod (151) is fixedly installed at the bottom of the semi-circular plate (13). The ventilation pipe (152) is fixedly installed at the top of the reaction tank (1). The fixing plate (153) is fixedly installed on the inner wall of the ventilation pipe (152). The elastic telescopic rod (154) is fixedly installed at the bottom of the fixing plate (153). The sealing plate (155) is fixedly installed at the bottom of the movable end of the elastic telescopic rod (154). The bottom rod (156) is fixedly installed at the bottom of the sealing plate (155). The ventilation device also includes a second motor (157), a rotating rod (158), and a fan blade (159). The second motor (157) is fixedly installed at the bottom of the fixed plate (153), the rotating rod (158) is fixedly installed at the output end of the second motor (157), and the fan blade (159) is fixedly installed on the circumferential surface of the rotating rod (158). The sides of the push rod (151) and the bottom rod (156) that are in contact with each other are both set as inclined surfaces, and the sealing plate (155) is in contact with the ventilation pipe (152); The limiting device includes a top pipe (161), an absorption box (162), a handle (163), and a limiting rod (164). The top pipe (161) is fixedly installed on the top of the ventilation pipe (152), the absorption box (162) is slidably installed inside the top pipe (161), the handle (163) is fixedly installed on the front of the absorption box (162), and the limiting rod (164) is fixedly installed on the top of the sealing plate (155). The limiting device also includes a sliding plate (165), a second inclined block (166), and a fixing rod (167). The sliding plate (165) is slidably installed inside the top pipe (161), the second inclined block (166) is fixedly installed at the bottom of the sliding plate (165), and the fixing rod (167) is fixedly installed at the top of the absorption box (162).

2. The oil extractor for bio-oil production according to claim 1, characterized in that: The top of the absorption box (162) is provided with a limiting groove, the side of the fixed rod (167) that is in contact with the inclined block (166) is set as an inclined surface, and a spring is provided between the sliding plate (165) and the top tube (161).

3. The method of using an oil extractor for bio-oil production according to claim 2, characterized in that, Includes the following steps: Step 1: Before processing the oil, the staff will check the working status of the oil extractor. After the staff has checked and confirmed that there are no problems, the staff will pass the oil into the reaction tank (1) through the feed pipe (3). After the oil is passed in, a certain amount of solvent will be passed into the reaction tank (1). Step 2: After the oil is introduced, the staff will start the electric telescopic rod (8) to drive the stirring rod (9) to move downward. After the stirring rod (9) moves into the oil, it will stop. Then, the motor (5) will be started to drive the rotating shaft (6) to start rotating. The rotating shaft (6) will drive the connecting plate (7) to start rotating. The rotating plate (7) will drive the electric telescopic rod (8) to start rotating. The electric telescopic rod (8) will drive the stirring rod (9) to start rotating. The rotation of the stirring rod (9) will cause the oil particles to tumble continuously in the solvent. Step 3: When the electric telescopic rod (8) drives the stirring rod (9) to start moving downward, it stops pushing the bottom ring (11). Then the bottom ring (11) starts moving downward under the action of gravity. The movement of the bottom ring (11) drives the slide rod (10) to start moving downward. The slide rod (10) stops pushing the inclined block one (14) to start moving. Then the inclined block one (14) starts moving and resetting in the direction of the feed pipe (3) under the action of the spring one. The movement of the inclined block one (14) drives the semi-circular plate (13) to start moving and resetting at the top of the slide rail (12). With the cooperation of the two semi-circular plates (13), the bottom of the feed pipe (3) is closed.

Images