Preparation method for improving extraction purity of bamboo cellulose

Abstract

The invention relates to the technical field of bamboo cellulose extraction, in particular to a preparation method for improving the extraction purity of bamboo cellulose. The preparation method aims at solving the technical problems that in the prior art, water resource consumption is large, pollution can be caused to the environment, and washing time is long. According to the technical scheme, the preparation method for improving the extraction purity of the bamboo source cellulose comprises an enzymolysis tank, a centrifugal barrel, an ultrasonic cleaning unit and a sewage purification mechanism; an enzymolysis cover, a centrifugal cover and a purification cover are respectively mounted at the upper ends of the enzymolysis tank, the centrifugal barrel and the sewage purification mechanism; the left end of the centrifugal barrel is fixedly connected with a first feeding pump; a material pumping pipe connected with the enzymolysis tank is mounted at the inlet end of the first feeding pump; a feeding pipe connected with the centrifugal cover is installed at the outlet end of the first feeding pump. The crude bamboo fibers are prepared in an enzymolysis mode, reaction conditions are mild, pollution is not generated, the prepared bamboo cellulose is higher in quality, sewage purification and cyclic utilization effects are achieved, the water consumption during washing is effectively reduced, energy conservation and environmental protection are better achieved, by purifying sewage, the discharge amount of harmful sewage is reduced, pollution to the environment is reduced, and the method is suitable for industrial production. And through the use of the two washing mechanisms, the bamboo fibers are alternately washed back and forth, so that the washing time is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of bamboo-derived cellulose extraction, and in particular to a preparation method for improving the extraction purity of bamboo-derived cellulose. Background Art

[0002] Bamboo cellulose is a cellulose fiber extracted from bamboo. It is the fifth largest natural fiber after cotton, linen, wool and silk. As a native cellulose fiber with abundant sources, it has attracted much attention due to its advantages such as renewability and environmental protection. In recent years, the development and utilization of bamboo fibers has also been on the rise. The middle part of bamboo fibers is covered with irregular elliptical gaps, and its capillary effect is significant. It can absorb and evaporate water in a short time. It is widely used in home textile, industrial and agricultural fields. Currently, the commonly used bamboo cellulose extraction methods include acid hydrolysis, alkaline hydrolysis, mechanical method, physical method, etc., but the existing extraction equipment does not have the wastewater purification function. When washing bamboo cellulose, water resources are consumed a lot and a large amount of wastewater will be generated, which will inevitably cause pollution to the environment. In addition, when washing, it is necessary to wait for the sewage from the last washing to be discharged and then fill it with clean water again before washing, which takes a long time. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a preparation method for improving the purity of bamboo-derived cellulose extraction, which aims to solve the technical problems of large water resource consumption, environmental pollution, and long washing time in the prior art.

[0004] The technical scheme of the present invention is: a preparation method for improving the extraction purity of bamboo-source cellulose, comprising an enzymolysis tank, a centrifugal cylinder, an ultrasonic cleaning unit and a sewage purification mechanism; the upper ends of the enzymolysis tank, the centrifugal cylinder and the sewage purification mechanism are respectively equipped with an enzymolysis cover, a centrifugal cover and a purification cover; the left end of the centrifugal cylinder is fixedly connected with a first feed pump; the inlet end of the first feed pump is equipped with a pumping pipe connected to the enzymolysis tank; the outlet end of the first feed pump is equipped with a feed pipe connected to the centrifugal cover; the left end of the sewage purification mechanism is equipped with a sewage pump; the inlet end of the sewage pump is equipped with a sewage discharge pipe connected to the ultrasonic cleaning unit; the outlet end of the sewage pump is equipped with a sewage supply pipe connected to the purification cover; the rear end of the sewage purification mechanism is equipped with a clean water pump; the inlet end of the clean water pump is equipped with a pumping pipe connected to the sewage purification mechanism ; A clean water main pipe is installed at the outlet end of the clean water pump; a clean water branch pipe connected to the ultrasonic cleaning unit is arranged on the clean water main pipe; a guide assembly and a lateral movement control assembly are installed on the front and rear ends of the ultrasonic cleaning unit from top to bottom in sequence; a lifting cylinder is fixedly connected to the outer side of the lateral movement control assembly; a connecting plate is fixedly connected to the telescopic end on the upper side of the lifting cylinder; a cleaning basket is fixedly connected to the lower ends of the connecting plate and another connecting plate; a stirring shaft is rotatably connected inside the enzymatic hydrolysis cover; a spiral blade is installed on the outer side of the stirring shaft; a second motor is installed at the lower end of the centrifugal cylinder; the motor shaft at the upper end of the second motor passes through the centrifugal cylinder and is fixedly connected to a limiting rod; a limiting sleeve is sleeved on the outer side of the upper end of the limiting rod; a fastening bolt for fixing the limiting rod is installed on the upper end of the limiting sleeve; a filter drum is fixedly connected to the lower end of the limiting sleeve.

[0005] Preferably, the ultrasonic cleaning unit includes a first ultrasonic cleaning box; a second ultrasonic cleaning box is fixedly connected to the right end of the first ultrasonic cleaning box; the rear ends of the first ultrasonic cleaning box and the second ultrasonic cleaning box are both provided with water inlets connected to the clean water branch pipe, and the alternating operation of the two cleaning boxes can achieve uninterrupted washing and shorten the washing time.

[0006] Preferably, the sewage purification mechanism includes a sewage tank; a purification chamber, a sedimentation baffle and a clean water chamber are arranged in sequence from left to right in the sewage tank; a first filter screen is fixedly connected to the upper end of the sedimentation baffle; a water baffle plate that fits the upper end of the first filter screen is fixedly connected to the upper side of the clean water chamber, and the sedimentation baffle is used to further precipitate the filtered water to ensure the cleanliness of the washing water.

[0007] Preferably, a limited seat is fixedly connected in the purification chamber; a second filter screen is installed on the upper end of the limited seat; the water baffle adopts a design of left low and right high, and the installation height of the left end of the water baffle is higher than the installation height of the second filter screen, ensuring that the sewage can be filtered by the second filter screen, thereby achieving purification of the sewage.

[0008] Preferably, the guide assembly includes a fixed plate; a guide cross bar is fixedly connected between the fixed plate and another fixed plate; a guide slider is movably connected between the guide cross bar and the outer side of another guide cross bar to guide and limit the lateral movement control assembly to prevent the lateral movement control assembly from shifting.

[0009] Preferably, the lateral movement control component includes a mounting seat and a rack; a third motor is fixedly connected to the inner side of the mounting seat; a gear meshing with the rack is installed on the outer side of the output shaft of the third motor; the lifting cylinder is installed on the outer side of the mounting seat, and through the meshing of the gear and the rack, the rotary motion is converted into linear motion, driving the mounting seat to move laterally.

[0010] Preferably, a first motor for driving the stirring shaft is installed at the upper end of the enzymatic hydrolysis cover to provide the power required for the stirring shaft to work.

[0011] A preparation method for improving the extraction purity of bamboo-derived cellulose, comprising the preparation method for improving the extraction purity of bamboo-derived cellulose as described in any one of the above, and the steps are as follows:

[0012] Step 1: The cut bamboo pieces and the enzyme solution are fed into the enzymolysis tank from the inlet at the upper end of the enzymolysis cover, the first motor is started, the stirring shaft and the spiral blade are driven to rotate, so that the bamboo pieces and the enzyme solution are fully mixed, the temperature of the enzymolysis tank is set to 50-60° C., the enzymolysis reaction is carried out, and the reaction time is 2-4 hours to obtain crude bamboo fiber;

[0013] Step 2: The limiting sleeve in the filter drum is aligned with the limiting rod and inserted, the fastening bolts are tightened, the first feed pump and the second motor are started, and the crude bamboo fiber in the enzymatic hydrolysis tank is fed into the centrifugal cylinder through the extraction pipe, the feed pipe and the centrifugal cover. The second motor drives the limiting rod, the limiting sleeve and the filter drum to rotate for 10 to 20 minutes. The crude bamboo fiber is separated from the solid and liquid, and the cellulose solid is retained in the filter drum. The fastening bolts are loosened and the filter drum is taken out;

[0014] Step 3: The cellulose solids are placed in the cleaning basket in the first ultrasonic cleaning box, the clean water pump is started, the clean water in the purification chamber is pumped out, and the clean water is sent into the first ultrasonic cleaning box through the pumping pipe, the clean water main pipe, the clean water branch pipe and the water inlet to wash the cellulose solids, and then the lifting cylinder controls the connection plate and the cleaning basket to rise, the third motor is started, the gear is driven to rotate, and the mounting seat moves to the right due to the meshing of the gear and the rack, and the guide slider at the rear end of the mounting seat slides outside the guide cross bar between the fixed plate and the other fixed plate, and then the lifting cylinder controls the connection plate and the cleaning basket to descend, the cleaning basket is placed in the second ultrasonic cleaning box, and the clean water in the purification chamber is sent into the second ultrasonic cleaning box;

[0015] Step 4: Turn on the sewage pump. The sewage in the first ultrasonic cleaning box flows into the sewage tank from the sewage discharge pipe and the sewage supply pipe through the purification cover, is filtered through the second filter screen at the upper end of the limit seat, and then settles in the sewage tank. The precipitated water flows from the sedimentation partition and the first filter screen to the clean water chamber, and finally the washed cellulose solids are dried.

[0016] Beneficial effects of the present invention:

[0017] 1. The crude bamboo fiber is prepared by enzymatic hydrolysis, the reaction conditions are mild, and no pollution is generated. The prepared bamboo-derived cellulose is of higher quality, has the effect of sewage purification and recycling, effectively reduces the amount of water used in washing, is more energy-saving and environmentally friendly, reduces the discharge of harmful sewage and reduces pollution to the environment by purifying sewage, and uses two washing mechanisms to wash the bamboo fiber alternately back and forth, thereby shortening the time used for washing;

[0018] 2. Use spiral blades to stir the bamboo pieces on the lower side upwards to allow the bamboo pieces to fully react with the enzymatic solution and speed up the reaction. The filter drum adopts a detachable design, which is convenient for removing the bamboo fibers in the filter drum and makes the cleaning of the filter drum more thorough and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a first three-dimensional structural schematic diagram of the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0020] Figure 2 Shown is a second three-dimensional structural schematic diagram of the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0021] Figure 3 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the enzymatic hydrolysis tank in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0022] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the cross section of the centrifugal cylinder in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0023] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the limiting plug and the filtering drum in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0024] Figure 6 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the sewage purification mechanism in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0025] Figure 7 Shown is a schematic diagram of the three-dimensional structure of the ultrasonic cleaning unit and the lateral movement control component in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention;

[0026] Figure 8 Shown is a schematic diagram of the three-dimensional structure of the guide component in the pollution-free high-precision extraction device of bamboo-derived cellulose of the present invention.

[0027] Description of the accompanying drawings: 1. Enzyme hydrolysis tank; 2. Centrifugal cylinder; 3. Ultrasonic cleaning unit; 31. First ultrasonic cleaning box; 32. Second ultrasonic cleaning box; 33. Water inlet; 4. Sewage purification mechanism; 41. Sewage tank; 42. Purification chamber; 43. Sedimentation partition; 44. Clean water chamber; 45. First filter screen; 46. Limit seat; 47. Second filter screen; 48. Water retaining plate; 5. Enzyme hydrolysis cover; 6. Centrifugal cover; 7. Purification cover; 8. First feed pump; 9. Extraction pipe; 10. Feed pipe; 11. Sewage pump; 12. Sewage discharge pipe; 13. Sewage supply pipe; 14. Clean water pump; 15. Suction pipe; 16. Clean water main pipe; 17. Clean water branch pipe; 18. Guide assembly; 181. Fixed plate; 182. Guide cross bar; 183. Guide slider; 19. Lateral movement control assembly; 191. Mounting seat; 192. Rack; 193. Third motor; 194. Gear; 20. Lifting cylinder; 21. Connecting plate; 22. Cleaning basket; 23. Agitator shaft; 24. Spiral blade; 25. First motor; 26. Second motor; 27. Limiting rod; 28. Limiting sleeve; 29. ​​Fastening bolt; 30. Filter drum. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] See also Figure 1-3The present invention provides an embodiment: a preparation method for improving the purity of bamboo-derived cellulose extraction, comprising an enzymolysis tank 1, a centrifugal cylinder 2, an ultrasonic cleaning unit 3 and a sewage purification mechanism 4; the upper ends of the enzymolysis tank 1, the centrifugal cylinder 2 and the sewage purification mechanism 4 are respectively installed with an enzymolysis cover 5, a centrifugal cover 6 and a purification cover 7; the left end of the centrifugal cylinder 2 is fixedly connected with a first feed pump 8; the inlet end of the first feed pump 8 is installed with a pumping pipe 9 connected to the enzymolysis tank 1; the outlet end of the first feed pump 8 is installed with a feed pipe 10 connected to the centrifugal cover 6; the left end of the sewage purification mechanism 4 is installed with a sewage pump 11; the inlet end of the sewage pump 11 is installed with a sewage discharge pipe 12 connected to the ultrasonic cleaning unit 3; the outlet end of the sewage pump 11 is installed with a sewage supply pipe 13 connected to the purification cover 7; the sewage purification mechanism 4 is installed with a sewage discharge pipe 12 connected to the ultrasonic cleaning unit 3; the outlet end of the sewage pump 11 is installed with a sewage supply pipe 13 connected to the purification cover 7; the sewage purification mechanism 4 is installed with a sewage discharge pipe 12 connected to the ultrasonic cleaning unit 3; the outlet end of the sewage pump 11 is installed with a sewage supply pipe 13 connected to the purification cover 7; the outlet end of the sewage pump 11 is installed with a sewage discharge ... A clean water pump 14 is installed at the end; a water pumping pipe 15 connected to the sewage purification mechanism 4 is installed at the inlet end of the clean water pump 14; a clean water main pipe 16 is installed at the outlet end of the clean water pump 14; a clean water branch pipe 17 connected to the ultrasonic cleaning unit 3 is arranged on the clean water main pipe 16; a guide assembly 18 and a lateral movement control assembly 19 are installed in sequence from top to bottom at the front and rear ends of the ultrasonic cleaning unit 3; a lifting cylinder 20 is fixedly connected to the outside of the lateral movement control assembly 19; a connecting plate 21 is fixedly connected to the upper telescopic end of the lifting cylinder 20; a cleaning basket 22 is fixedly connected to the lower end of the connecting plate 21 and another connecting plate 21; a stirring shaft 23 is rotatably connected inside the enzymatic hydrolysis cover 5; a spiral blade 24 is installed on the outside of the stirring shaft 23; a first motor 25 for driving the stirring shaft 23 is installed at the upper end of the enzymatic hydrolysis cover 5;

[0030] See also Figure 4-6 In this embodiment, a second motor 26 is installed at the lower end of the centrifugal cylinder 2; the motor shaft at the upper end of the second motor 26 passes through the centrifugal cylinder 2 and is fixedly connected to a limited insertion rod 27; a limited sleeve 28 is sleeved on the outer side of the upper end of the limited insertion rod 27; a fastening bolt 29 for fixing the limited insertion rod 27 is installed on the upper end of the limited sleeve 28; a filter drum 30 is fixedly connected to the lower end of the limited sleeve 28; the sewage purification mechanism 4 includes a sewage tank 41; a purification chamber 42, a sedimentation baffle 43 and a clean water chamber 44 are arranged in the sewage tank 41 from left to right; a first filter screen 45 is fixedly connected to the upper end of the sedimentation baffle 43; a water baffle 48 that fits the upper end of the first filter screen 45 is fixedly connected to the upper side of the clean water chamber 44; a limited seat 46 is fixedly connected in the purification chamber 42; a second filter screen 47 is installed on the upper end of the limited seat 46; the water baffle 48 adopts a design of left low and right high, and the installation height of the left end of the water baffle 48 is higher than the installation height of the second filter screen 47.

[0031] See also Figure 7-8In this embodiment, the ultrasonic cleaning unit 3 includes a first ultrasonic cleaning box 31; a second ultrasonic cleaning box 32 is fixedly connected to the right end of the first ultrasonic cleaning box 31; a water inlet 33 connected to the clean water branch pipe 17 is provided at the rear ends of the first ultrasonic cleaning box 31 and the second ultrasonic cleaning box 32; the guide assembly 18 includes a fixed plate 181; a guide cross bar 182 is fixedly connected between the fixed plate 181 and another fixed plate 181; a guide slider 183 is movably connected to the outer side of the guide cross bar 182 and another guide cross bar 182; the lateral movement control assembly 19 includes a mounting seat 191 and a rack 192; a third motor 193 is fixedly connected to the inner side of the mounting seat 191; a gear 194 meshing with the rack 192 is installed on the outer side of the output shaft of the third motor 193; and the lifting cylinder 20 is installed on the outer side of the mounting seat 191.

[0032] A preparation method for improving the extraction purity of bamboo-derived cellulose, comprising the preparation method for improving the extraction purity of bamboo-derived cellulose as described in any one of the above, and the steps are as follows:

[0033] Step 1: The cut bamboo pieces and the enzyme solution are fed into the enzymolysis tank 1 from the inlet at the upper end of the enzymolysis cover 5, and the first motor 25 is started to drive the stirring shaft 23 and the spiral blade 24 to rotate, so that the bamboo pieces and the enzyme solution are fully mixed, and the temperature of the enzymolysis tank 1 is set to 50-60° C. to carry out enzymolysis reaction for 2-4 hours to obtain crude bamboo fiber;

[0034] Step 2: The limiting sleeve 28 in the filter drum 30 is aligned with the limiting rod 27 and inserted, the fastening bolt 29 is tightened, the first feed pump 8 and the second motor 26 are started, and the crude bamboo fiber in the enzymatic hydrolysis tank 1 is fed into the centrifugal cylinder 2 through the extraction pipe 9, the feed pipe 10 and the centrifugal cover 6. The second motor 26 drives the limiting rod 27, the limiting sleeve 28 and the filter drum 30 to rotate for 10 to 20 minutes. The crude bamboo fiber is separated from the solid and liquid, and the cellulose solid is retained in the filter drum 30. The fastening bolt 29 is loosened and the filter drum 30 is taken out;

[0035] Step 3: The cellulose solids are placed in the cleaning basket 22 in the first ultrasonic cleaning box 31, and the clean water pump 14 is started to pump out the clean water in the purification chamber 42, and send it into the first ultrasonic cleaning box 31 through the water pumping pipe 15, the clean water main pipe 16, the clean water branch pipe 17 and the water inlet 33 to wash the cellulose solids. Then, the lifting cylinder 20 controls the connection plate 21 and the cleaning basket 22 to rise, and the third motor 193 is started to drive the gear 194 to rotate. Due to the meshing of the gear 194 and the rack 192, the mounting seat 191 moves to the right, and the guide slider 183 at the rear end of the mounting seat 191 slides on the outer side of the guide cross bar 182 between the fixed plate 181 and the other fixed plate 181. Then, the lifting cylinder 20 controls the connection plate 21 and the cleaning basket 22 to descend, and the cleaning basket 22 is placed in the second ultrasonic cleaning box 32, and the clean water in the purification chamber 42 is sent into the second ultrasonic cleaning box 32;

[0036] Step 4: Turn on the sewage pump 11, and the sewage in the first ultrasonic cleaning box 31 flows into the sewage tank 41 from the sewage discharge pipe 12 and the sewage supply pipe 13 through the purification cover 7, is filtered by the second filter screen 47 at the upper end of the limit seat 46, and then settles in the sewage tank 41. The precipitated water flows from the sedimentation partition 43 and the first filter screen 45 to the clean water chamber 44, and finally the washed cellulose solids are dried.

[0037] Through the above steps, crude bamboo fiber is prepared by enzymatic hydrolysis, the reaction conditions are mild, and no pollution is generated. The prepared bamboo-derived cellulose is of higher quality, has the effects of sewage purification and recycling, effectively reduces the amount of water used in washing, is more energy-saving and environmentally friendly, and reduces the discharge of harmful sewage and environmental pollution by purifying sewage. By using two washing mechanisms, the bamboo fiber is washed alternately back and forth, thereby shortening the time used for washing.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A pollution-free high-precision extraction device for bamboo-derived cellulose, comprising an enzymatic hydrolysis tank (1), a centrifugal cylinder (2), an ultrasonic cleaning unit (3) and a sewage purification mechanism (4); characterized in that: The upper ends of the enzymolysis tank (1), the centrifugal cylinder (2) and the sewage purification mechanism (4) are respectively provided with an enzymolysis cover (5), a centrifugal cover (6) and a purification cover (7); the left end of the centrifugal cylinder (2) is fixedly connected to a first feed pump (8); the inlet end of the first feed pump (8) is provided with a feed pipe (9) connected to the enzymolysis tank (1); the outlet end of the first feed pump (8) is provided with a feed pipe (10) connected to the centrifugal cover (6); the left end of the sewage purification mechanism (4) is provided with a sewage pump (11); the sewage pump The inlet end of the sewage pump (11) is provided with a sewage discharge pipe (12) connected to the ultrasonic cleaning unit (3); the outlet end of the sewage pump (11) is provided with a sewage supply pipe (13) connected to the purification cover (7); the rear end of the sewage purification mechanism (4) is provided with a clean water pump (14); the inlet end of the clean water pump (14) is provided with a water suction pipe (15) connected to the sewage purification mechanism (4); the outlet end of the clean water pump (14) is provided with a clean water main pipe (16); and the clean water main pipe (16) is provided with a (3) connected to the clean water branch pipe (17); the front and rear ends of the ultrasonic cleaning unit (3) are sequentially installed with a guide assembly (18) and a lateral movement control assembly (19) from top to bottom; the outer side of the lateral movement control assembly (19) is fixedly connected to a lifting cylinder (20); the upper telescopic end of the lifting cylinder (20) is fixedly connected to a connecting plate (21); the lower ends of the connecting plate (21) and another connecting plate (21) are fixedly connected to a cleaning basket (22); the enzymatic hydrolysis cover (5) is rotatably connected to a stirring shaft (2 3); a spiral blade (24) is installed on the outer side of the stirring shaft (23); a second motor (26) is installed on the lower end of the centrifugal cylinder (2); the motor shaft at the upper end of the second motor (26) passes through the centrifugal cylinder (2) and is fixedly connected to a limiting plug rod (27); a limiting sleeve (28) is sleeved on the outer side of the upper end of the limiting plug rod (27); a fastening bolt (29) for fixing the limiting plug rod (27) is installed on the upper end of the limiting sleeve (28); and a filtering drum (30) is fixedly connected to the lower end of the limiting sleeve (28).

2. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 1, characterized in that: The ultrasonic cleaning unit (3) comprises a first ultrasonic cleaning box (31); a second ultrasonic cleaning box (32) is fixedly connected to the right end of the first ultrasonic cleaning box (31); and a water inlet (33) connected to a clean water branch pipe (17) is provided at the rear ends of the first ultrasonic cleaning box (31) and the second ultrasonic cleaning box (32).

3. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 1, characterized in that: The sewage purification mechanism (4) comprises a sewage tank (41); a purification chamber (42), a sedimentation baffle (43) and a clean water chamber (44) are arranged in sequence from left to right in the sewage tank (41); a first filter screen (45) is fixedly connected to the upper end of the sedimentation baffle (43); and a water baffle (48) abutting against the upper end of the first filter screen (45) is fixedly connected to the upper side of the clean water chamber (44).

4. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 3, characterized in that: A limit seat (46) is fixedly connected in the purification chamber (42); a second filter screen (47) is installed on the upper end of the limit seat (46); the water baffle (48) is designed to be lower on the left and higher on the right, and the installation height of the left end of the water baffle (48) is higher than the installation height of the second filter screen (47).

5. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 1, characterized in that: The guide assembly (18) comprises a fixed plate (181); a guide cross bar (182) is fixedly connected between the fixed plate (181) and another fixed plate (181); and a guide sliding block (183) is movably connected between the outer sides of the guide cross bar (182) and another guide cross bar (182).

6. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 1, characterized in that: The lateral movement control assembly (19) comprises a mounting seat (191) and a rack (192); a third motor (193) is fixedly connected to the inner side of the mounting seat (191); a gear (194) meshingly connected to the rack (192) is mounted on the outer side of the output shaft of the third motor (193); and a lifting cylinder (20) is mounted on the outer side of the mounting seat (191).

7. The pollution-free high-precision extraction device of bamboo-derived cellulose according to claim 1, characterized in that: A first motor (25) for driving the stirring shaft (23) is installed at the upper end of the enzymatic hydrolysis cover (5).

8. A method for using a pollution-free high-precision extraction device for bamboo-derived cellulose, characterized in that It comprises a pollution-free high-precision bamboo-derived cellulose extraction device according to any one of claims 1 to 7, and the steps are as follows: Step 1: The cut bamboo pieces and the enzyme solution are fed into the enzymolysis tank (1) from the inlet at the upper end of the enzymolysis cover (5), the first motor (25) is started, the stirring shaft (23) and the spiral blade (24) are driven to rotate, so that the bamboo pieces and the enzyme solution are fully mixed, the temperature of the enzymolysis tank (1) is set to 50-60° C., the enzymolysis reaction is carried out, and the reaction time is 2-4 hours to obtain crude bamboo fiber; Step 2: the limiting sleeve (28) in the filter drum (30) is aligned with the limiting rod (27) and inserted, the fastening bolt (29) is tightened, the first feed pump (8) and the second motor (26) are started, the crude bamboo fiber in the enzymatic hydrolysis tank (1) is fed into the centrifugal cylinder (2) through the extraction pipe (9), the feed pipe (10) and the centrifugal cover (6), the second motor (26) drives the limiting rod (27), the limiting sleeve (28) and the filter drum (30) to rotate for 10 to 20 minutes, the crude bamboo fiber is separated into solid and liquid, and the cellulose solid is retained in the filter drum (30), the fastening bolt (29) is loosened, and the filter drum (30) is taken out; Step 3: The cellulose solids are placed in the cleaning basket (22) in the first ultrasonic cleaning box (31), and the clean water pump (14) is started to pump out the clean water in the purification chamber (42), and send the clean water into the first ultrasonic cleaning box (31) through the water pumping pipe (15), the clean water main pipe (16), the clean water branch pipe (17) and the water inlet (33) to wash the cellulose solids. Then, the lifting cylinder (20) controls the connection plate (21) and the cleaning basket (22) to rise, and the third motor (193) is started to drive the gear (194). Rotation, due to the meshing of the gear (194) and the rack (192), the mounting seat (191) moves to the right, and the guide slider (183) at the rear end of the mounting seat (191) slides outside the guide crossbar (182) between the fixed plate (181) and another fixed plate (181), and then the lifting cylinder (20) controls the connecting plate (21) and the cleaning basket (22) to descend, and the cleaning basket (22) is placed in the second ultrasonic cleaning box (32), and the clean water in the purification chamber (42) is sent into the second ultrasonic cleaning box (32); Step 4: Turn on the sewage pump (11), and the sewage in the first ultrasonic cleaning box (31) flows from the sewage discharge pipe (12) and the sewage supply pipe (13) through the purification cover (7) into the sewage tank (41), is filtered through the second filter screen (47) at the upper end of the limit seat (46), and then settles in the sewage tank (41). The precipitated water flows from the sedimentation partition (43) and the first filter screen (45) to the clean water chamber (44), and finally the washed cellulose solids are dried.

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