Plant fiber extraction system

Abstract

The invention discloses a plant fiber extraction system, and belongs to the technical field of plant fiber extraction. Comprising a conveying unit, a double-roller crusher, a fiber extraction unit, a fiber cleaning unit, a fiber drying unit and a connecting piece, the conveying unit conveys materials into the double-roller crusher, the double-roller crusher crushes the materials, and the connecting piece guides the crushed materials to the conveying unit; the conveying unit further conveys the crushed materials into the fiber extraction unit, the fiber extraction unit is used for extracting fibers in the crushed materials, the connecting piece guides the extracted fibers into the fiber cleaning unit, and the fiber cleaning unit is used for cleaning the extracted fibers. The connecting piece further guides the cleaned fibers into the fiber drying unit, the fiber drying unit is used for drying the cleaned fibers, and the connecting piece finally guides the dried fibers out of the fiber drying unit.

Description

Technical Field

[0001] The invention relates to the technical field of plant fiber extraction, in particular to a plant fiber extraction system. Background Art

[0002] Plant fibers are widely used in many fields such as textiles, papermaking, and composite materials. Traditional plant fiber extraction methods often have many problems, such as low extraction efficiency, high energy consumption, environmental pollution, and unstable fiber quality. In some existing extraction processes, a single treatment method is often used, such as simple chemical immersion or mechanical crushing, which makes it difficult to fully separate the fiber components in the plant, and it is easy to cause damage to the fiber during the treatment process, reducing its mechanical properties and application value. In addition, traditional extraction systems are usually difficult to achieve automated continuous production, require a lot of manpower input, and increase production costs and production cycles. Summary of the invention

[0003] The object of the present invention is to provide a plant fiber extraction system to solve the problems raised in the above background technology.

[0004] In view of the above problems, the technical solution proposed by the present invention is: A plant fiber extraction system comprises a conveying unit, a double-roll crusher, a fiber extraction unit, a fiber cleaning unit, a fiber drying unit, and a connecting piece, wherein the conveying unit conveys materials to the double-roll crusher, and the double-roll crusher crushes the materials, the connecting piece guides the crushed materials to the conveying unit, and the conveying unit also conveys the crushed materials to the fiber extraction unit, the fiber extraction unit is used to extract fibers from the crushed materials, the connecting piece guides the extracted fibers to the fiber cleaning unit, the fiber cleaning unit is used to clean the extracted fibers, the connecting piece also guides the cleaned fibers to the fiber drying unit, the fiber drying unit is used to dry the cleaned fibers, and the connecting piece finally guides the dried fibers out of the fiber drying unit.

[0005] As a preferred technical solution of the present invention, the conveying unit includes a first transport conveyor belt, a feed conveyor belt, and a second transport conveyor belt. The feed conveyor belt is inclined above the first transport conveyor belt and close to the starting end of the first transport conveyor belt. The second transport conveyor belt is located below the first transport conveyor belt. The feed port of the double-roll crusher is located between the first transport conveyor belt and the second transport conveyor belt. The connecting member includes a first inclined plate, and the first inclined plate is installed at the discharge port of the double-roll crusher.

[0006] Specifically, the end of the unloading conveyor belt is located above the first conveyor conveyor belt, so the material can fall onto the first conveyor conveyor belt, and the end of the first conveyor conveyor belt is located above the feeding port of the double-roll crusher. After reaching the end of the first conveyor conveyor belt, the material can fall into the feeding port of the double-roll crusher. The double-roll crusher consists of a chassis, a pair of crushing rollers installed inside the chassis, and a driving member installed outside the chassis. The driving member can drive the pair of crushing rollers to rotate in opposite directions. The inner bottom of the chassis is set as an inclined surface, and the outer side of the chassis is provided with a discharge port connected to the inclined surface. After the crushed material falls on the inclined surface, it can slide onto the first inclined plate through the discharge port, and the end of the first inclined plate is located above the starting end of the second conveyor conveyor belt. The crushed material can slide onto the second conveyor conveyor belt through the first inclined plate. Finally, the width of the first inclined plate is smaller than the width of the second conveyor conveyor belt.

[0007] As a preferred technical solution of the present invention, the fiber extraction unit includes a fiber extraction box, the interior of the fiber extraction box is filled with plant fiber extractant, the bottom surface of the fiber extraction box is set as a first sliding surface, an ultrasonic oscillator is installed on the first sliding surface, a pair of motors are installed on the outside of the fiber extraction box, a pair of stirring shafts are rotatably connected inside the fiber extraction box, the output end of the motor is transmission-connected to the stirring shaft, and stirring blades are installed on the outside of the pair of stirring shafts.

[0008] Specifically, the end of the second transport conveyor belt is located above the fiber extraction box, so that the crushed material can fall into the fiber extraction box, and the width of the fiber extraction box is greater than the width of the second transport conveyor belt. The stirring shaft and the fiber extraction box are sealed. The plant fiber extractant includes an appropriate amount of alkaline and reducing substances such as sodium hydroxide and sodium sulfite, which can destroy the connection between non-fiber components such as lignin and pectin in the crushed material and the fiber; the ultrasonic oscillator generates high-frequency ultrasonic waves, which makes the soaking liquid produce a strong cavitation effect, further accelerating the separation of the fiber and other components, and the ultrasonic frequency can be adjusted between 20-50kHz; the plant fiber extractant and the crushed material are fully mixed by the rotation of the stirring blades, and the stirring speed can be adjusted within the range of 50-200 rpm to ensure that the extraction process is carried out evenly and efficiently.

[0009] As a preferred technical solution of the present invention, a first water pipe is installed on the top of the fiber extraction box, one side of the fiber extraction box is connected to a first water outlet pipe, one end of the first water outlet pipe is installed with a first filter plate, the other end of the first water outlet pipe is connected to a first solenoid valve, a first outlet is opened on the other side of the fiber extraction box, and a first plate valve is installed in the first outlet, and the connecting piece includes a second inclined plate, and the second inclined plate is installed at the first outlet.

[0010] Specifically, a seal is performed between the first water outlet pipe and the fiber extraction box. After the first solenoid valve is opened, the plant fiber extractant can be discharged, and under the action of the first filter plate, the extracted plant fibers are retained in the fiber extraction box. The first water pipe is used to inject an appropriate amount of clean water into the fiber extraction box. Under the action of the first sliding surface, the clean water will carry the extracted fibers and flow toward the first outlet. When the first plate valve is opened, the clean water will carry the extracted fibers and flow to the second inclined plate.

[0011] As a preferred technical solution of the present invention, the fiber cleaning unit includes a fiber cleaning box, one side of which is connected to the second inclined plate, three groups of cleaning screens are installed inside the fiber cleaning box from top to bottom, and a second water pipe is installed on the top of the fiber cleaning box.

[0012] Specifically, clean water will carry the extracted fibers through the second inclined plate and flow into the fiber washing box. The second water pipe will inject clean water into the fiber washing box. Driven by the water flow, the extracted fibers will pass through three groups of washing screens in sequence. The mesh sizes of the three groups of washing screens range from coarse to fine. In this process, the extractant, impurities and fine particles remaining on the surface of the extracted fibers can be gradually removed.

[0013] As a preferred technical solution of the present invention, the bottom surface of the fiber washing box is set as a second sliding surface, one side of the fiber washing box is connected to a second water outlet pipe, one end of the second water outlet pipe is installed with a second filter plate, the other end of the second water outlet pipe is connected to a second solenoid valve, a second outlet is opened on the other side of the fiber washing box, and a second plate valve is installed in the second outlet, and the connecting piece includes a third inclined plate, and the third inclined plate is installed at the second outlet.

[0014] Specifically, a seal is performed between the second water outlet pipe and the fiber cleaning box. After the second solenoid valve is opened, clean water can be discharged, and under the action of the second filter plate, the extracted plant fibers are retained in the fiber cleaning box. The second water pipe is used to inject an appropriate amount of clean water into the fiber cleaning box. Under the action of the second sliding surface, the clean water will carry the extracted fibers and flow toward the second outlet. When the second plate valve is opened, the clean water will carry the extracted fibers and flow to the third inclined plate.

[0015] As a preferred technical solution of the present invention, the fiber drying unit includes a fiber drying box, a fan is installed on the outer top of the fiber drying box, a heater is installed on the inner top of the fiber drying box, the connecting piece includes a third transport conveyor belt, and the third transport conveyor belt passes through the fiber drying box, a surface of the belt body of the third transport conveyor belt is provided with a plurality of meshes, and the third inclined plate is located on the third transport conveyor belt.

[0016] Specifically, the third inclined plate is located above the starting end of the third transport conveyor belt, and its width is greater than the width of the third transport conveyor belt. Therefore, clean water can carry the extracted fibers to the third transport conveyor belt, and then the clean water is drained through the mesh, so that the extracted fibers remain on the third transport conveyor belt. The third transport conveyor belt then transports the extracted fibers to the fiber drying box, and the fan sends air into the heater. The hot air heated by the heater enters the fiber drying box. The extracted fibers move slowly in the fiber drying box and are fully in contact with the hot air. The drying temperature can be adjusted between 80-120°C, and the drying time can be adjusted within 10 to 60 minutes according to the moisture content of the fiber and the output requirements. Finally, the moisture content of the fiber is reduced to below 10% to obtain dry fibers, which are finally transported to the outside of the fiber drying box through the third transport conveyor belt.

[0017] As a preferred technical solution of the present invention, baffles are installed on both sides of the second inclined plate, the third inclined plate and the third transport conveyor belt.

[0018] Specifically, the top surface of the baffle exceeds the top surfaces of the second inclined plate, the third inclined plate, and the third transport conveyor belt, and is arranged parallel to the second inclined plate, the third inclined plate, and the third transport conveyor belt. The baffle is installed on the bracket of the third transport conveyor belt and is also installed on the sides of the second inclined plate and the third inclined plate. The baffle also passes through the fiber drying box.

[0019] Specifically, the system is arranged on steps, the conveying unit, the double-roll crusher, and the fiber extraction unit are located on the same step, the fiber washing unit is located on the next step, and the fiber drying unit is located on the next step.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the plant fiber extraction system can automatically complete the plant fiber extraction work, reduce the amount of human participation, and at the same time ensure the extraction quality and quantity of the plant fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall top view structure of the plant fiber extraction system disclosed in an embodiment of the present invention; Figure 2 It is a schematic diagram of the overall side view structure of the plant fiber extraction system disclosed in an embodiment of the present invention; Figure 3 It is a partial side structural schematic diagram of the plant fiber extraction system disclosed in an embodiment of the present invention; Figure 4 It is a schematic diagram of the top view of the fiber extraction unit of the plant fiber extraction system disclosed in an embodiment of the present invention; Figure 5 It is a schematic cross-sectional structure diagram of a fiber extraction unit of a plant fiber extraction system disclosed in an embodiment of the present invention; Figure 6 It is a schematic diagram of the top view of the fiber cleaning unit of the plant fiber extraction system disclosed in an embodiment of the present invention; Figure 7 It is a schematic cross-sectional structure diagram of a fiber cleaning unit of a plant fiber extraction system disclosed in an embodiment of the present invention; Figure 8 It is a schematic cross-sectional structure diagram of a fiber drying unit of a plant fiber extraction system disclosed in an embodiment of the present invention.

[0022] In the figure: 100, conveying unit; 1001, first transport conveyor belt; 1002, unloading conveyor belt; 1003, second transport conveyor belt; 200, double-roll crusher; 300, fiber extraction unit; 3001, fiber extraction box; 3002, first water pipe; 3003, first plate valve; 3004, motor; 3005, stirring shaft; 3006, stirring blade; 3007, ultrasonic oscillator; 3008, first sliding surface; 3009, first water outlet pipe; 3010, first filter plate; 3011, first solenoid valve; 400, fiber cleaning unit; 4001, fiber cleaning box; 4002, second water pipe; 4003, second plate valve; 4004, cleaning screen; 4005, second sliding surface; 4006, second water outlet pipe; 4007, second filter plate; 4008, second solenoid valve; 500, fiber drying unit; 5001, fiber drying box; 5002, fan; 5003, heater; 600, second inclined plate; 700, third inclined plate; 800, third transport conveyor belt; 900, baffle; 1000, first inclined plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1 - Figure 8The present invention provides a technical solution: a plant fiber extraction system, including a conveying unit 100, a double-roll crusher 200, a fiber extraction unit 300, a fiber cleaning unit 400, a fiber drying unit 500, and a connecting piece. The conveying unit 100 conveys the material to the double-roll crusher 200, the double-roll crusher 200 crushes the material, the connecting piece guides the crushed material to the conveying unit 100, and the conveying unit 100 also conveys the crushed material to the fiber extraction unit 300, the fiber extraction unit 300 is used to extract fibers from the crushed material, the connecting piece guides the extracted fibers to the fiber cleaning unit 400, the fiber cleaning unit 400 is used to clean the extracted fibers, the connecting piece also guides the cleaned fibers to the fiber drying unit 500, the fiber drying unit 500 is used to dry the cleaned fibers, and the connecting piece finally guides the dried fibers out of the fiber drying unit 500.

[0025] According to an embodiment of the present invention, further, the conveying unit 100 includes a first conveyor belt 1001, a feed conveyor belt 1002, and a second conveyor belt 1003. The feed conveyor belt 1002 is obliquely arranged above the first conveyor belt 1001 and close to the starting end of the first conveyor belt 1001. The second conveyor belt 1003 is located below the first conveyor belt 1001. The feed port of the double-roll crusher 200 is located between the first conveyor belt 1001 and the second conveyor belt 1003. The connecting piece includes a first inclined plate 1000, and the first inclined plate 1000 is installed at the discharge port of the double-roll crusher 200.

[0026] Specifically, the end of the unloading conveyor belt 1002 is located above the first conveyor belt 1001, so the material can fall onto the first conveyor belt 1001. The end of the first conveyor belt 1001 is located above the feeding port of the double-roll crusher 200. After reaching the end of the first conveyor belt 1001, the material can fall into the feeding port of the double-roll crusher 200. The double-roll crusher 200 is composed of a chassis, a pair of crushing rollers installed inside the chassis, and a driving member installed outside the chassis. The driving member can A pair of crushing rollers are driven to rotate in opposite directions. The inner bottom of the chassis is set as an inclined surface, and a discharge port connected to the inclined surface is opened on the outer side of the chassis. After the crushed materials fall on the inclined surface, they can slide onto the first inclined plate 1000 through the discharge port, and the end of the first inclined plate 1000 is located above the starting end of the second transport conveyor belt 1003. The crushed materials can slide onto the second transport conveyor belt 1003 through the first inclined plate 1000. Finally, the width of the first inclined plate 1000 is smaller than the width of the second transport conveyor belt 1003.

[0027] According to an embodiment of the present invention, further, the fiber extraction unit 300 includes a fiber extraction box 3001, the interior of the fiber extraction box 3001 is filled with plant fiber extractant, the bottom surface of the fiber extraction box 3001 is set as a first sliding surface 3008, an ultrasonic oscillator 3007 is installed on the first sliding surface 3008, a pair of motors 3004 are installed on the outer side of the fiber extraction box 3001, a pair of stirring shafts 3005 are rotatably connected inside the fiber extraction box 3001, the output end of the motor 3004 is transmission-connected to the stirring shaft 3005, and stirring blades 3006 are installed on the outer sides of the pair of stirring shafts 3005.

[0028] Specifically, the end of the second transport conveyor belt 1003 is located above the fiber extraction box 3001, so that the crushed material can fall into the fiber extraction box 3001, and the width of the fiber extraction box 3001 is larger than the width of the second transport conveyor belt 1003. The stirring shaft 3005 and the fiber extraction box 3001 are sealed. The plant fiber extractant includes an appropriate amount of alkaline and reducing substances such as sodium hydroxide and sodium sulfite, which can destroy the connection between non-fiber components such as lignin and pectin in the crushed material and the fiber; the ultrasonic oscillator 3007 generates high-frequency ultrasonic waves, which makes the soaking liquid produce a strong cavitation effect, further accelerating the separation of the fiber and other components, and the ultrasonic frequency can be adjusted between 20-50kHz; through the rotation of the stirring blade 3006, the plant fiber extractant and the crushed material are fully mixed, and the stirring speed can be adjusted within the range of 50-200 rpm to ensure that the extraction process is carried out evenly and efficiently.

[0029] According to an embodiment of the present invention, a first water pipe 3002 is installed on the top of a fiber extraction box 3001, a first water outlet pipe 3009 is connected to one side of the fiber extraction box 3001, a first filter plate 3010 is installed at one end of the first water outlet pipe 3009, a first solenoid valve 3011 is connected to the other end of the first water outlet pipe 3009, a first outlet is opened on the other side of the fiber extraction box 3001, and a first plate valve 3003 is installed in the first outlet, and the connecting piece includes a second inclined plate 600, and the second inclined plate 600 is installed at the first outlet.

[0030] Specifically, a sealing treatment is performed between the first water outlet pipe 3009 and the fiber extraction box 3001. After the first solenoid valve 3011 is opened, the plant fiber extractant can be discharged, and under the action of the first filter plate 3010, the extracted plant fibers are retained in the fiber extraction box 3001. The first water pipe 3002 is used to inject an appropriate amount of clean water into the fiber extraction box 3001. Under the action of the first sliding surface 3008, the clean water will carry the extracted fibers and flow toward the first outlet. When the first plate valve 3003 is opened, the clean water will carry the extracted fibers and flow to the second inclined plate 600.

[0031] According to an embodiment of the present invention, further, the fiber cleaning unit 400 includes a fiber cleaning box 4001, one side of the fiber cleaning box 4001 is connected to the second inclined plate 600, three groups of cleaning screens 4004 are installed inside the fiber cleaning box 4001 from top to bottom, and a second water pipe 4002 is installed on the top of the fiber cleaning box 4001.

[0032] Specifically, clean water will carry the extracted fibers through the second inclined plate 600 and flow into the fiber cleaning box 4001. The second water pipe 4002 will inject clean water into the fiber cleaning box 4001. Driven by the water flow, the extracted fibers will pass through three groups of cleaning screens 4004 in sequence. The mesh sizes of the three groups of cleaning screens 4004 range from coarse to fine. In this process, the extractant, impurities and fine particles remaining on the surface of the extracted fibers can be gradually removed.

[0033] According to an embodiment of the present invention, further, the bottom surface of the fiber cleaning box 4001 is set as a second sliding surface 4005, one side of the fiber cleaning box 4001 is connected with a second water outlet pipe 4006, one end of the second water outlet pipe 4006 is installed with a second filter plate 4007, the other end of the second water outlet pipe 4006 is connected with a second solenoid valve 4008, a second outlet is opened on the other side of the fiber cleaning box 4001, and a second plate valve 4003 is installed in the second outlet, and the connecting part includes a third inclined plate 700, and the third inclined plate 700 is installed at the second outlet.

[0034] Specifically, a sealing treatment is performed between the second water outlet pipe 4006 and the fiber cleaning box 4001. After the second solenoid valve 4008 is opened, clean water can be discharged, and under the action of the second filter plate 4007, the extracted plant fibers are retained in the fiber cleaning box 4001. The second water pipe 4002 is used to inject an appropriate amount of clean water into the fiber cleaning box 4001. Under the action of the second sliding surface 4005, the clean water will carry the extracted fibers and flow toward the second outlet. When the second plate valve 4003 is opened, the clean water will carry the extracted fibers and flow to the third inclined plate 700.

[0035] According to an embodiment of the present invention, further, the fiber drying unit 500 includes a fiber drying box 5001, a fan 5002 is installed on the outer top of the fiber drying box 5001, a heater 5003 is installed on the inner top of the fiber drying box 5001, the connecting part includes a third transport conveyor belt 800, and the third transport conveyor belt 800 passes through the fiber drying box 5001, a plurality of meshes are provided on the surface of the belt body of the third transport conveyor belt 800, and the third inclined plate 700 is located on the third transport conveyor belt 800.

[0036] Specifically, the third inclined plate 700 is located above the starting end of the third transport conveyor belt 800, and its width is greater than the width of the third transport conveyor belt 800, so that clean water can carry the extracted fibers to the third transport conveyor belt 800, and then the clean water is drained through the mesh, so that the extracted fibers remain on the third transport conveyor belt 800, and the third transport conveyor belt 800 then transports the extracted fibers to the fiber drying box 5001, and the fan sends air into the heater 5003, and the hot air heated by the heater 5003 enters the fiber drying box 5001, and the extracted fibers move slowly in the fiber drying box 5001 and are fully in contact with the hot air. The drying temperature can be adjusted between 80-120°C, and the drying time can be adjusted within 10 to 60 minutes according to the moisture content of the fibers and the output requirements, and finally the moisture content of the fibers is reduced to below 10% to obtain dry fibers, which are finally transported to the outside of the fiber drying box 5001 through the third transport conveyor belt 800.

[0037] According to an embodiment of the present invention, baffles 900 are further installed on both sides of the second inclined plate 600 , the third inclined plate 700 , and the third transport conveyor belt 800 .

[0038] Specifically, the top surface of the baffle 900 exceeds the top surfaces of the second inclined plate 600, the third inclined plate 700, and the third transport conveyor belt 800, and is arranged parallel to the second inclined plate 600, the third inclined plate 700, and the third transport conveyor belt 800. The baffle 900 is installed on the bracket of the third transport conveyor belt 800, and is also installed on the sides of the second inclined plate 600 and the third inclined plate 700. The baffle 900 also passes through the fiber drying box 5001.

[0039] Specifically, the system is arranged on steps, the conveying unit, the double-roll crusher, and the fiber extraction unit are located on the same step, the fiber washing unit is located on the next step, and the fiber drying unit is located on the next step.

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1 - Figure 8 The present invention provides a technical solution: a plant fiber extraction system, comprising.

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1 - Figure 8 The present invention provides a technical solution: a method for using a plant fiber extraction system, comprising the following steps: Step 1: Select plants suitable for fiber extraction and place them on the unloading conveyor belt 1002, and pour an appropriate amount of plant fiber extractant into the fiber extraction box 3001 in advance; Step 2: Start the system. The inclined unloading conveyor belt 1002 can guide the material to the first transport conveyor belt 1001. The first transport conveyor belt 1001 transports the material to the double-roll crusher 200. After the material is crushed by the double-roll crusher 200, it slides to the second transport conveyor belt 1003 through the first inclined plate 1000. Step 3: The second transport conveyor belt 1003 delivers the crushed material into the fiber extraction box 3001. The plant fiber extractant includes an appropriate amount of alkaline and reducing substances such as sodium hydroxide and sodium sulfite, which can destroy the connection between the non-fiber components such as lignin and pectin in the crushed material and the fiber; the ultrasonic oscillator 3007 generates high-frequency ultrasonic waves, which causes the soaking liquid to produce a strong cavitation effect, further accelerating the separation of the fiber and other components. The ultrasonic frequency can be adjusted between 20-50kHz; the plant fiber extractant and the crushed material are fully mixed by the rotation of the stirring blade 3006, and the stirring speed can be adjusted within the range of 50-200 rpm to ensure that the extraction process is uniform and efficient; Step 4: After the fiber extraction is completed, the first solenoid valve 3011 is opened to discharge the plant fiber extractant, and under the action of the first filter plate 3010, the extracted plant fiber is left in the fiber extraction box 3001, and a proper amount of clean water is injected into the fiber extraction box 3001 through the first water pipe 3002. Under the action of the first sliding surface 3008, the clean water will carry the extracted fiber to flow toward the first outlet, and when the first plate valve 3003 is opened, the clean water will carry the extracted fiber to flow onto the second inclined plate 600; Step 5: Clean water will carry the extracted fibers through the second inclined plate 600 and flow into the fiber washing box 4001. The second water pipe 4002 will inject clean water into the fiber washing box 4001. The extracted fibers will pass through three groups of washing screens 4004 in sequence under the drive of the water flow. The mesh size of the three groups of washing screens 4004 ranges from coarse to fine. In this process, the extractant, impurities and fine particles remaining on the surface of the extracted fibers can be gradually removed. After the washing is completed, the second solenoid valve 4008 is opened to discharge the clean water. Under the action of the second filter plate 4007, the extracted plant fibers are left in the fiber washing box 4001. The second water pipe 4002 is used to inject a proper amount of clean water into the fiber washing box 4001. Under the action of the second sliding surface 4005, the clean water will carry the extracted fibers to flow toward the second outlet. When the second plate valve 4003 is opened, the clean water will carry the extracted fibers to flow to the third inclined plate 700. Step 6: Clean water can carry the extracted fibers to the third transport conveyor belt 800, and then the clean water is drained through the mesh, so that the extracted fibers remain on the third transport conveyor belt 800. The third transport conveyor belt 800 then transports the extracted fibers to the fiber drying box 5001, and the fan sends air into the heater 5003. The hot air heated by the heater 5003 enters the fiber drying box 5001. The extracted fibers move slowly in the fiber drying box 5001 and are fully in contact with the hot air. The drying temperature can be adjusted between 80-120°C, and the drying time can be adjusted within 10 to 60 minutes according to the moisture content of the fibers and the output requirements. Finally, the moisture content of the fibers is reduced to less than 10% to obtain dry fibers, and finally transported to the outside of the fiber drying box 5001 through the third transport conveyor belt 800.

Claims

1. A plant fiber extraction system, characterized in that: The invention comprises a conveying unit (100), a double-roll crusher (200), a fiber extraction unit (300), a fiber cleaning unit (400), a fiber drying unit (500), and a connecting piece, wherein the conveying unit (100) conveys materials into the double-roll crusher (200), the double-roll crusher (200) crushes the materials, the connecting piece guides the crushed materials onto the conveying unit (100), and the conveying unit (100) also conveys the crushed materials into the fiber extraction unit (300), the fiber extraction unit (300) is used to extract fibers from the crushed materials, the connecting piece guides the extracted fibers into the fiber cleaning unit (400), the fiber cleaning unit (400) is used to clean the extracted fibers, the connecting piece also guides the cleaned fibers into the fiber drying unit (500), the fiber drying unit (500) is used to dry the cleaned fibers, and the connecting piece finally guides the dried fibers out of the fiber drying unit (500).

2. A plant fiber extraction system according to claim 1, characterized in that: The conveying unit (100) comprises a first conveyor belt (1001), a discharge conveyor belt (1002), and a second conveyor belt (1003); the discharge conveyor belt (1002) is arranged obliquely above the first conveyor belt (1001) and close to the starting end of the first conveyor belt (1001); the second conveyor belt (1003) is located below the first conveyor belt (1001); the feed port of the double-roll crusher (200) is located between the first conveyor belt (1001) and the second conveyor belt (1003); the connecting member comprises a first inclined plate (1000); and the first inclined plate (1000) is installed at the discharge port of the double-roll crusher (200).

3. A plant fiber extraction system according to claim 2, characterized in that: The fiber extraction unit (300) comprises a fiber extraction box (3001), the interior of the fiber extraction box (3001) is filled with a plant fiber extractant, the bottom surface of the fiber extraction box (3001) is set as a first sliding surface (3008), an ultrasonic oscillator (3007) is installed on the first sliding surface (3008), a pair of motors (3004) are installed on the outside of the fiber extraction box (3001), a pair of stirring shafts (3005) are rotatably connected inside the fiber extraction box (3001), an output end of the motor (3004) is transmission-connected to the stirring shaft (3005), and stirring blades (3006) are installed on the outside of the pair of stirring shafts (3005).

4. A plant fiber extraction system according to claim 3, characterized in that: A first water pipe (3002) is installed on the top of the fiber extraction box (3001); one side of the fiber extraction box (3001) is connected to a first water outlet pipe (3009); one end of the first water outlet pipe (3009) is installed with a first filter plate (3010); the other end of the first water outlet pipe (3009) is connected to a first solenoid valve (3011); a first outlet is opened on the other side of the fiber extraction box (3001), and a first plate valve (3003) is installed in the first outlet; the connecting member comprises a second inclined plate (600); and the second inclined plate (600) is installed at the first outlet.

5. A plant fiber extraction system according to claim 4, characterized in that: The fiber cleaning unit (400) comprises a fiber cleaning box (4001), one side of the fiber cleaning box (4001) is connected to the second inclined plate (600), three groups of cleaning screens (4004) are installed from top to bottom inside the fiber cleaning box (4001), and a second water pipe (4002) is installed on the top of the fiber cleaning box (4001).

6. A plant fiber extraction system according to claim 5, characterized in that: The bottom surface of the fiber cleaning box (4001) is set as a second sliding surface (4005), one side of the fiber cleaning box (4001) is connected to a second water outlet pipe (4006), one end of the second water outlet pipe (4006) is installed with a second filter plate (4007), the other end of the second water outlet pipe (4006) is connected to a second solenoid valve (4008), the other side of the fiber cleaning box (4001) is opened with a second outlet, and the second outlet is installed with a second plate valve (4003), and the connecting member includes a third inclined plate (700), and the third inclined plate (700) is installed at the second outlet.

7. A plant fiber extraction system according to claim 6, characterized in that: The fiber drying unit (500) comprises a fiber drying box (5001), a fan (5002) is installed on the outer top of the fiber drying box (5001), a heater (5003) is installed on the inner top of the fiber drying box (5001), the connecting piece comprises a third transport conveyor belt (800), and the third transport conveyor belt (800) passes through the fiber drying box (5001), a surface of the belt body of the third transport conveyor belt (800) is provided with a plurality of meshes, and the third inclined plate (700) is located on the third transport conveyor belt (800).

8. A plant fiber extraction system according to claim 7, characterized in that: Baffles (900) are installed on both sides of the second inclined plate (600), the third inclined plate (700) and the third transport conveyor belt (800).

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