阅读说明：本技术 一种超临界萃取预处理用原料过滤装置 (Raw material filtering device for supercritical extraction pretreatment ) 是由 沈立华 吴进富 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种超临界萃取预处理用原料过滤装置,属于超临界萃取技术领域,在原料液进入到过滤筒内后,经过环形滤网将其内部的残渣过滤掉,使原料液向下落至与荷叶膜碰撞,带动二氧化碳水溶液发生波动,促使二氧化碳气体溢出至膨胀气囊内,使其膨胀挤压弹性膜拱起,促使其表面的原料液和残渣滚落下来进行过滤,且部分二氧化碳气体进入到L形管内挤压活塞向上运动,使绝磁粉末进入到绝磁套内,屏蔽绝磁套处的单面磁性杆的磁性影响,而其他处的单面磁性杆受磁铁块吸引,向其靠近运动,带动转动盘缓缓转动,从而带动环形滤网转动,通过转动的离心力使其表面的残渣甩落至环形收集筒,减少环形滤网堵塞的可能性,增强过滤效果。(The invention discloses a raw material filtering device for supercritical extraction pretreatment, which belongs to the technical field of supercritical extraction, wherein after a raw material liquid enters a filter cylinder, residues in the raw material liquid are filtered through an annular filter screen, the raw material liquid falls downwards to collide with a lotus leaf membrane to drive a carbon dioxide aqueous solution to fluctuate, carbon dioxide gas is enabled to overflow into an expansion air bag to expand and extrude an elastic membrane to arch, the raw material liquid and the residues on the surface of the elastic membrane are enabled to roll down for filtering, part of the carbon dioxide gas enters an L-shaped pipe to extrude a piston to move upwards, nonmagnetic powder enters a magnetic insulation sleeve to shield the magnetic influence of a single-sided magnetic rod at the magnetic insulation sleeve, the single-sided magnetic rods at other positions are attracted by a magnet block to move towards the magnetic insulation sleeve to drive a rotating disc to rotate slowly, so as to drive the annular filter screen to rotate, and the residues on the surface of the annular filter screen are thrown down to an annular collecting cylinder through the rotating centrifugal force, the possibility of blocking the annular filter screen is reduced, and the filtering effect is enhanced.)

1. A raw material filtering device for supercritical extraction pretreatment comprises a filter cartridge (1), and is characterized in that: the filter cartridge is characterized in that two pairs of support legs which are bilaterally symmetrical are fixedly connected to the lower end of the filter cartridge (1), a sealing cover plate (2) is rotatably connected to the outer end of the filter cartridge (1), a handle (3) is fixedly connected to the upper end of the sealing cover plate (2), a feed inlet is formed in the upper end of the sealing cover plate (2), a sealing plug (4) is connected to the feed inlet in an interference mode, a discharge pipe (5) is fixedly connected to the outer end of the filter cartridge (1), the discharge pipe (5) is communicated with the inside of the filter cartridge (1), a valve (6) is installed at the outer end of the discharge pipe (5), an annular collecting frame (7) is fixedly connected to the inner wall of the filter cartridge (1), an annular filter screen (8) is slidably connected to the inner wall of the annular collecting frame (7), an elastic membrane (9) is fixedly connected to the inner wall of the annular filter screen (8), and a liquid storage frame (10) is fixedly connected to the inner bottom end of the filter cartridge (1), the upper side of the liquid storage frame (10) is provided with an air guide tube (14), a lotus leaf membrane (11) is fixedly connected between the outer end of the air guide tube (14) and the inner wall of the liquid storage frame (10), a carbon dioxide aqueous solution is filled in the liquid storage frame (10), a plurality of connecting ropes (13) are fixedly connected with the lower end of the lotus leaf membrane (11), a floating ball (12) is fixedly connected with the lower end of each connecting rope (13), the floating ball (12) is positioned on the liquid level of the carbon dioxide aqueous solution, a waterproof breathable film (15) is fixedly connected between the inner walls of the liquid storage frame (10), an air blowing tube (16) is fixedly connected with the upper end of the air guide tube (14), an expansion air bag (17) is fixedly connected with the upper end of the air blowing tube (16), the air blowing tube (16) is respectively communicated with the interiors of the air guide tube (14) and the expansion air bag (17), and the upper end of the expansion air bag (17) is contacted with the lower end of the elastic film (9), the outer end of the air drum (16) is rotatably connected with a rotating disc (18), the outer end of the rotating disc (18) is fixedly connected with a plurality of uniformly distributed single-face magnetic rods (20), a straight cylinder (19) is fixedly connected between the upper end of the rotating disc (18) and the inner wall of the annular filter screen (8), the left end of the air guide cylinder (14) is fixedly connected with an L-shaped pipe (22), the upper end of the L-shaped pipe (22) is fixedly connected with a magnetic insulation sleeve (26), the L-shaped pipe (22) is communicated with the inside of the magnetic insulation sleeve (26), a piston (23) is slidably connected between the inner walls of the L-shaped pipe (22), a telescopic spring (24) is fixedly connected between the lower end of the piston (23) and the inner bottom end of the L-shaped pipe (22), a conduction valve (25) is fixedly connected between the inner walls of the L-shaped pipe (22), and magnetic insulation powder is filled between the piston (23) and the conduction valve (25), the inner wall fixedly connected with magnet piece (21) of cartridge filter (1), magnet piece (21) are located the downside of annular collection frame (7).

2. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the one end that frame (7) are close to annular filter screen (8) is collected to the annular one end height that frame (7) are collected to the annular is less than the annular one end height that frame (7) kept away from annular filter screen (8), the hole of permeating water of a plurality of evenly distributed of inner bottom fixedly connected with of annular filter screen (8), the aperture in the hole of permeating water and the mesh aperture phase-match of annular filter screen (8).

3. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the inner wall of frame (7) is collected to the annular opens and chisels there is the annular spout, sliding connection has two bilateral symmetry's smooth pearl (701) in the annular spout, the outer end of annular filter screen (8) and the outer end fixed connection of two smooth pearl (701).

4. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the outer end cover of handle (3) is equipped with lag (301), the outer end of lag (301) is equipped with anti-skidding line, discharging pipe (5) are the slope setting.

5. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the lotus leaf membrane (11) is made of a PET original membrane material, an AS oleophobic and hydrophobic coating is coated on the surface of the lotus leaf membrane (11), and the lotus leaf membrane (11) is arranged in an inclined mode.

6. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the outer end of the piston (23) is fixedly connected with a sealing ring, and the outer end of the sealing ring is in close contact with the inner wall of the L-shaped pipe (22).

7. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the magnetic isolation powder is made of Fe-Ni alloy materials, and the content of Ni in the magnetic isolation powder is 80%.

8. The raw material filtering device for the supercritical extraction pretreatment as recited in claim 1, wherein: the conduction valve (25) is in a folded state when not extruded, and the conduction valve (25) is in an open state after being extruded.

Technical Field

The invention relates to the technical field of supercritical extraction, in particular to a raw material filtering device for supercritical extraction pretreatment.

Background

Supercritical fluid is a supercritical fluid, which is a non-gaseous and non-liquid state between gas and liquid, can exist only when the temperature and pressure of the substance exceed critical points, and the viscosity of the substance is closer to that of gas, so that the supercritical fluid can be used for extracting effective components of Chinese herbal medicines in the medical industry.

At present, when the Chinese herbal medicine is subjected to supercritical extraction, the Chinese herbal medicine raw materials need to be subjected to pretreatment such as cleaning, drying, mashing, filtering and the like, and in the prior art, the filtering device for the pretreatment of the Chinese herbal medicine raw materials has poor filtering effect, a filter screen is easy to block, the use of the filtering device is influenced, and the filtering effect is greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a raw material filtering device for supercritical extraction pretreatment, which can realize that after raw material liquid enters a filter cylinder, residues in the raw material liquid are filtered out through an annular filter screen, the raw material liquid falls downwards to collide with a lotus leaf membrane, so that carbon dioxide aqueous solution is driven to fluctuate, carbon dioxide gas is enabled to overflow into an expansion air bag, the expansion air bag is enabled to expand and extrude an elastic membrane to arch, the raw material liquid and the residues on the surface of the elastic membrane are enabled to roll down for filtering, part of the carbon dioxide gas enters an L-shaped pipe to extrude a piston to move upwards, so that nonmagnetic powder enters a magnetic insulation sleeve to shield the magnetic influence of a single-sided magnetic rod at the magnetic insulation sleeve, and the single-sided magnetic rods at other positions are attracted by a magnet block to move towards the single-sided magnetic rod to drive a rotating disc to slowly rotate so as to drive the annular filter screen to rotate, the residue on the surface of the filter screen is thrown to the annular collecting cylinder through the rotating centrifugal force, so that the possibility of blocking of the annular filter screen is reduced, and the filtering effect is enhanced.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A raw material filtering device for supercritical extraction pretreatment comprises a filter cartridge, wherein the lower end of the filter cartridge is fixedly connected with two pairs of bilaterally symmetrical supporting legs, the outer end of the filter cartridge is rotatably connected with a sealing cover plate, the upper end of the sealing cover plate is fixedly connected with a handle, a feed inlet is formed in the upper end of the sealing cover plate, a sealing plug is in interference connection with the feed inlet, the outer end of the filter cartridge is fixedly connected with a discharge pipe, the discharge pipe is communicated with the inside of the filter cartridge, a valve is installed at the outer end of the discharge pipe, the inner wall of the filter cartridge is fixedly connected with an annular collecting frame, an annular filter screen is slidably connected between the inner walls of the annular collecting frame, an elastic membrane is fixedly connected between the inner walls of the annular filter screen, a liquid storage frame is fixedly connected with the inner bottom end of the filter cartridge, an air guide cylinder is arranged on the upper side of the liquid storage frame, and a lotus membrane is fixedly connected between the outer end of the air guide cylinder and the inner wall of the liquid storage frame, the carbon dioxide aqueous solution is filled in the liquid storage frame, the lower end of the lotus leaf membrane is fixedly connected with a plurality of connecting ropes, the lower end of each connecting rope is fixedly connected with a floating ball, the floating ball is positioned on the liquid level of the carbon dioxide aqueous solution, a waterproof breathable film is fixedly connected between the inner walls of the liquid storage frame, the upper end of the air guide tube is fixedly connected with an air blowing tube, the upper end of the air blowing tube is fixedly connected with an expansion airbag, the air blowing tube is respectively communicated with the air guide tube and the expansion airbag, the upper end of the expansion airbag is in contact with the lower end of the elastic membrane, the sealing plug can be taken down, the raw material liquid is guided into the filter cartridge through the feed inlet, the residue is filtered by the raw material liquid through the annular filter screen and falls down to be in contact and collision with the lotus leaf membrane, so that the lotus leaf membrane moves, the floating balls are driven by the connecting ropes, and the carbon dioxide aqueous solution fluctuates, the carbon dioxide gas is driven to overflow to the gas guide cylinder through the waterproof breathable film and then enter the expansion air bag through the gas blowing pipe to be blown and expanded, the elastic film is extruded to arch upwards, residues and raw material liquid on the surface of the elastic film roll down along with the arch, the raw material liquid is promoted to fall through the annular filter screen, the residues move downwards to enter the annular collecting frame to be collected, and the filtered raw material liquid is discharged through the discharging pipe after the valve is opened.

Furthermore, the outer end of the air drum is rotatably connected with a rotating disc, the outer end of the rotating disc is fixedly connected with a plurality of uniformly distributed single-face magnetic rods, a straight cylinder is fixedly connected between the upper end of the rotating disc and the inner wall of the annular filter screen, the left end of the air guide cylinder is fixedly connected with an L-shaped pipe, the upper end of the L-shaped pipe is fixedly connected with a magnetic insulating sleeve, the L-shaped pipe is communicated with the inside of the magnetic insulating sleeve, a piston is slidably connected between the inner walls of the L-shaped pipe, a telescopic spring is fixedly connected between the lower end of the piston and the inner bottom end of the L-shaped pipe, a conduction valve is fixedly connected between the inner walls of the L-shaped pipe, magnetic insulating powder is filled between the piston and the conduction valve, a magnet block is fixedly connected with the inner wall of the filter cylinder and is positioned at the lower side of the annular collecting frame, and part of carbon dioxide enters the L-shaped pipe through the air guide cylinder along with overflow of the carbon dioxide, and the piston is pushed by the carbon dioxide gas to move upwards after being blown in, the extrusion conduction valve is opened, the magnetic isolation powder enters the magnetic isolation sleeve, the magnetic shielding of the single-sided magnetic rod at the position of the magnetic isolation sleeve is realized, the single-sided magnetic rod at other positions is attracted by the magnetism of the magnet block to approach the magnetic isolation sleeve, the magnetism of the single-sided magnetic rod moving to the position of the magnetic isolation sleeve is shielded, the single-sided magnetic rod is attracted to approach the magnetic isolation sleeve to drive the rotating disc to rotate slowly, the rotating disc drives the annular filter screen to rotate through the straight cylinder, residues on the annular filter screen are thrown into the annular collection frame through centrifugal force generated by rotation and are collected, the possibility that the residues are accumulated together to cause the blockage of the annular filter screen is reduced, and after the filtering is finished, the sealing cover plate is opened, and the residues in the annular collection frame are cleaned.

Further, the one end height that the frame was collected to the annular is close to annular filter screen is highly less than the one end height that the annular filter screen was kept away from to the frame was collected to the annular, the hole of permeating water of a plurality of evenly distributed of inner bottom fixedly connected with of annular filter screen, the aperture in the hole of permeating water and the mesh aperture phase-match of annular filter screen collect the high different settings of frame through the annular, can rotate at annular filter screen and get rid of the residue and block, reduce its possibility that splashes, and dig have the hole of permeating water and set up its aperture with the mesh aperture phase-match of annular filter screen, can realize deriving the stock solution that will enter into the annular and collect the frame, prevent that it from accumulating to the inside that the frame was collected to the annular, can avoid the residue to pass through the possibility that the hole of permeating water spills downwards simultaneously again.

Further, the inner wall of frame is collected to the annular is dug and is had annular spout, sliding connection has two bilateral symmetry's smooth pearl in the annular spout, the outer end of annular filter screen and the outer end fixed connection of two smooth pearls through being provided with smooth pearl and annular spout, realize assisting when annular filter screen rotates, and is more smooth and easy when making it rotate, reduces the frictional force influence.

Further, the outer end cover of handle is equipped with the lag, the outer end of lag is equipped with anti-skidding line, the discharging pipe sets up for the slope, through the setting of lag and anti-skidding line, realizes that operating personnel protects when the pulling handle, reduces its hand simultaneously and follows the possibility that drops on hand, and sets up the discharging pipe into the slope form, makes things convenient for the discharge of raw materials liquid.

Furthermore, the lotus leaf membrane adopts PET raw film material to make, the surface of lotus leaf membrane is brushed with the oleophobic and hydrophobic coating of AS, the lotus leaf membrane sets up for the slope, through adopting the lotus leaf membrane that PET raw film material made to brush with the oleophobic and hydrophobic coating of AS on its surface, makes its surface simulate into the micro-nano structure shape on similar lotus leaf surface, cooperates its slope setting simultaneously, realizes dredging away the feed solution, makes the feed solution be difficult for being stained with on the lotus leaf membrane.

Furthermore, the outer end fixedly connected with sealing washer of piston, the outer end of sealing washer and the inner wall in close contact with of L venturi tube, through the setting of sealing washer, can reduce the possibility that magnetic powder leaks downwards through the gap between piston and the L venturi tube, improve the leakproofness.

Further, the magnetism-insulating powder is made of Fe-Ni alloy material, the Ni content in the magnetism-insulating powder is 80%, and the influence of magnetic attraction between the magnet block and the single-sided magnetic rod can be shielded by using the magnetism-insulating powder made of Fe-Ni alloy material.

Furthermore, the conduction valve is in a furled state when not being extruded, is in an open state after being extruded, plays an isolation role in the furled state, prevents the magnetic insulation powder from entering the magnetic insulation sleeve, is in the open state after being extruded, and can realize the entrance of the magnetic insulation powder.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the scheme realizes that after the raw material liquid enters the filter cylinder, the residue in the filter cylinder is filtered by the annular filter screen, so that the raw material liquid falls downwards to collide with the lotus leaf membrane, the carbon dioxide aqueous solution is driven to fluctuate, the carbon dioxide gas is enabled to overflow into the expansion air bag, the expansion air bag is enabled to expand and extrude the elastic membrane to arch, the raw material liquid and the residue on the surface of the elastic membrane are enabled to roll down to be filtered, and part of carbon dioxide gas enters the L-shaped pipe to extrude the piston to move upwards, so that the magnetism isolating powder enters the magnetism isolating sleeve to shield the magnetic influence of the single-sided magnetic rod at the position of the magnetism isolating sleeve, while the single-sided magnetic rods at other positions are attracted by the magnet blocks and move towards the magnet blocks to drive the rotating disc to rotate slowly, thereby drive annular filter screen and rotate, make its surperficial residue throw away and fall to annular collecting vessel through pivoted centrifugal force, reduce the possibility that annular filter screen blockked up, reinforcing filter effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of an annular collection frame according to the present invention;

FIG. 3 is a schematic perspective view of the annular screen of the present invention;

FIG. 4 is a schematic view in partial cross-section of an inflatable bladder according to the present invention;

FIG. 5 is a perspective view of a rotary plate according to the present invention;

FIG. 6 is a partial sectional view of an L-shaped pipe according to the present invention;

FIG. 7 is a schematic view of a partial cross-sectional structure of a slide ball according to the present invention.

The reference numbers in the figures illustrate:

1. a filter cartridge; 2. sealing the cover plate; 3. a handle; 301. a protective sleeve; 4. a sealing plug; 5. a discharge pipe; 6. a valve; 7. an annular collection frame; 701. a sliding bead; 8. an annular filter screen; 9. an elastic film; 10. a liquid storage frame; 11. a lotus leaf membrane; 12. a floating ball; 13. connecting ropes; 14. an air guide cylinder; 15. a waterproof breathable film; 16. blowing a gas pipe; 17. inflating the balloon; 18. rotating the disc; 19. a straight cylinder; 20. a single-sided magnetic rod; 21. a magnet block; 22. an L-shaped tube; 23. a piston; 24. a tension spring; 25. conducting the valve; 26. a magnetic insulation sleeve.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a raw material filtering apparatus for supercritical extraction pretreatment comprises a filter cartridge 1, wherein the lower end of the filter cartridge 1 is fixedly connected with two pairs of bilaterally symmetrical supporting legs, the outer end of the filter cartridge 1 is rotatably connected with a sealing cover plate 2, the upper end of the sealing cover plate 2 is fixedly connected with a handle 3, the upper end of the sealing cover plate 2 is provided with a feed inlet, a sealing plug 4 is connected in the feed inlet in an interference manner, the outer end of the filter cartridge 1 is fixedly connected with a discharge pipe 5, the discharge pipe 5 is communicated with the interior of the filter cartridge 1, the outer end of the discharge pipe 5 is provided with a valve 6, the inner wall of the filter cartridge 1 is fixedly connected with an annular collecting frame 7, an annular filter screen 8 is connected between the inner walls of the annular collecting frame 7 in a sliding manner, an elastic membrane 9 is fixedly connected between the inner walls of the annular filter screen 8, the inner bottom end of the filter cartridge 1 is fixedly connected with a liquid storage frame 10, and an air guide tube 14 is arranged on the upper side of the liquid storage frame 10, a lotus leaf membrane 11 is fixedly connected between the outer end of an air guide tube 14 and the inner wall of a liquid storage frame 10, a carbon dioxide aqueous solution is filled in the liquid storage frame 10, a plurality of connecting ropes 13 are fixedly connected with the lower end of the lotus leaf membrane 11, a floating ball 12 is fixedly connected with the lower end of each connecting rope 13, the floating ball 12 is positioned on the liquid level of the carbon dioxide aqueous solution, a waterproof breathable membrane 15 is fixedly connected between the inner walls of the liquid storage frame 10, an air blowing tube 16 is fixedly connected with the upper end of the air guide tube 14, an expansion airbag 17 is fixedly connected with the upper end of the air blowing tube 16, the air blowing tube 16 is respectively communicated with the air guide tube 14 and the interior of the expansion airbag 17, the upper end of the expansion airbag 17 is contacted with the lower end of an elastic membrane 9, the sealing plug 4 can be removed, a raw material liquid is guided into a filter cylinder 1 through a feed inlet, the raw material liquid is filtered through an annular filter screen 8 and falls to be contacted with the lotus leaf membrane 11 to collide, so that the lotus leaf membrane 11 moves, the floating ball 12 is driven to move by the connecting rope 13, so that the carbon dioxide aqueous solution fluctuates to drive the carbon dioxide gas to overflow to the gas guide tube 14 through the waterproof breathable film 15, then the carbon dioxide gas enters the expansion air bag 17 through the gas blowing tube 16 to be blown and expanded, the elastic film 9 is extruded to arch upwards, residues and raw material liquid on the surface of the carbon dioxide gas fall along with the arch, the raw material liquid is driven to fall through the annular filter screen 8, the residues move downwards to enter the annular collecting frame 7 to be collected, and the filtered raw material liquid is discharged through the discharging tube 5 after the valve 6 is opened.

Referring to fig. 1 and 5-6, the outer end of the air drum 16 is rotatably connected with a rotating disc 18, the outer end of the rotating disc 18 is fixedly connected with a plurality of uniformly distributed single-sided magnetic rods 20, a straight cylinder 19 is fixedly connected between the upper end of the rotating disc 18 and the inner wall of the annular filter screen 8, the left end of the air guide cylinder 14 is fixedly connected with an L-shaped pipe 22, the upper end of the L-shaped pipe 22 is fixedly connected with a magnetic insulation sleeve 26, the L-shaped pipe 22 is communicated with the inside of the magnetic insulation sleeve 26, a piston 23 is slidably connected between the inner walls of the L-shaped pipe 22, a telescopic spring 24 is fixedly connected between the lower end of the piston 23 and the inner bottom end of the L-shaped pipe 22, a conduction valve 25 is fixedly connected between the inner walls of the L-shaped pipe 22, magnetic insulation powder is filled between the piston 23 and the conduction valve 25, a magnet block 21 is fixedly connected to the inner wall of the filter cartridge 1, the magnet block 21 is located at the lower side of the annular collection frame 7, and along with the overflow of carbon dioxide gas, part of carbon dioxide gas enters the L-shaped pipe 22 through the gas cylinder 14, the piston 23 is pushed by the carbon dioxide gas to move upwards after the carbon dioxide gas is blown in, the extrusion conduction valve 25 is opened, the magnetism insulation powder enters the magnetism insulation sleeve 26, the magnetism of the single-sided magnetic rod 20 at the position of the magnetism insulation sleeve 26 is realized, the single-sided magnetic rod 20 at other positions is attracted by the magnetism of the magnet block 21 to approach, the single-sided magnetic rod 20 moves to the position of the magnetism insulation sleeve 26, the magnetism of the single-sided magnetic rod 20 is shielded, the single-sided magnetic rod 20 moves to approach under attraction, the rotating disc 18 is driven to rotate slowly, the rotating disc 18 drives the annular filter screen 8 to rotate through the straight cylinder 19, residues on the annular filter screen 8 are thrown into the annular collection frame 7 through the centrifugal force generated by rotation, the residues are collected, the possibility that the residues are accumulated together to cause the blockage of the annular filter screen 8 is reduced, after the filtration is finished, the sealing cover plate 2 is opened, and cleaning the residues in the annular collecting frame 7.

Referring to fig. 1-2 and 7, the height of the end of the annular collecting frame 7 close to the annular filter screen 8 is less than the height of the end of the annular collecting frame 7 far from the annular filter screen 8, the inner bottom end of the annular filter screen 8 is fixedly connected with a plurality of water permeable holes which are uniformly distributed, the aperture of the water permeable holes is matched with the mesh aperture of the annular filter screen 8, the annular collecting frame 7 can rotate to throw away the residue and block the residue, so as to reduce the possibility of splashing, the water permeable holes are drilled and the aperture is matched with the mesh aperture of the annular filter screen 8, so that the raw material liquid entering the annular collecting frame 7 can be guided out, the residue is prevented from being accumulated inside the annular collecting frame 7, and the possibility of the residue leaking downwards through the water permeable holes can be avoided, the inner wall of the annular collecting frame 7 is drilled with an annular chute, and two bilaterally symmetrical sliding beads 701 are slidably connected in the annular chute, annular filter screen 8's outer end and two outer end fixed connection of smooth pearl 701, through being provided with smooth pearl 701 and annular chute, the realization is supplementary when annular filter screen 8 rotates, it is more smooth and easy when making it rotate, reduce the frictional force influence, the outer end cover of handle 3 is equipped with lag 301, lag 301's outer end is equipped with anti-skidding line, discharging pipe 5 sets up for the slope, setting through lag 301 and anti-skidding line, realize that operating personnel protects when pulling handle 3, reduce the possibility that its hand drops from handle 3 simultaneously, and set up discharging pipe 5 into the slope form, make things convenient for the discharge of raw materials liquid.

Referring to fig. 1 and 6, a lotus leaf membrane 11 is made of a PET raw membrane material, an AS oleophobic and hydrophobic coating is coated on the surface of the lotus leaf membrane 11, the lotus leaf membrane 11 is arranged in an inclined manner, the lotus leaf membrane 11 made of the PET raw membrane material is coated on the surface of the lotus leaf membrane 11, the surface of the lotus leaf membrane 11 is made to be simulated into a micro-nano structure shape similar to the lotus leaf surface, meanwhile, the inclined arrangement is matched to drain out a raw material liquid, the raw material liquid is not easy to adhere to the lotus leaf membrane 11, a sealing ring is fixedly connected to the outer end of a piston 23, the outer end of the sealing ring is in close contact with the inner wall of an L-shaped tube 22, the possibility that an anti-magnetic powder leaks downwards through a gap between the piston 23 and the L-shaped tube 22 can be reduced through the arrangement of the sealing ring, the anti-magnetic powder is made of an Fe-Ni alloy material, the Ni content of Ni in the anti-magnetic powder is 80%, and the anti-magnetic powder made of the Fe-Ni alloy material can shield the magnet block 21 and the single-sided magnetic rod 20 The conduction valve 25 is in a furled state when not being extruded, the conduction valve 25 is in an open state after being extruded, the conduction valve 25 plays an isolation role in the furled state to prevent the magnetic insulation powder from entering the magnetic insulation sleeve 26, and the conduction valve is in the open state after being extruded, so that the magnetic insulation powder can enter.

In the invention, when a technician in the relevant field uses the device, firstly, the sealing plug 4 is taken down, raw material liquid is introduced into the filter cylinder 1 through the feeding hole, the raw material liquid filters residues through the annular filter screen 8 and falls down to be in contact with the lotus leaf membrane 11 to make the lotus leaf membrane 11 move, so that the raw material liquid drives the floating ball 12 to move through the connecting rope 13, carbon dioxide aqueous solution fluctuates to drive carbon dioxide gas to overflow to the gas guide cylinder 14 through the waterproof breathable film 15, then the carbon dioxide gas enters the expansion air bag 17 through the air blowing pipe 16 to be expanded by swelling, the elastic membrane 9 is extruded to be arched upwards, the residues on the surface and the raw material liquid fall along with the arching, the raw material liquid is caused to fall through the annular filter screen 8, the residues move downwards to enter the annular collecting frame 7 to be collected, and along with the overflow of the carbon dioxide gas, part of the carbon dioxide gas enters the L-shaped pipe 22 through the gas guide cylinder 14, and the piston 23 is pushed by the carbon dioxide gas to move upwards after being blown in, the extrusion conduction valve 25 is opened, the magnetic isolation powder enters the magnetic isolation sleeve 26, the magnetic shielding of the single-sided magnetic rod 20 at the magnetic isolation sleeve 26 is realized, the single-sided magnetic rod 20 at other positions is attracted to the magnetic isolation sleeve by the magnetism of the magnet block 21 to approach, the magnetic isolation powder moves to the magnetic isolation sleeve 26, the magnetism of the single-sided magnetic rod 20 is shielded, the single-sided magnetic rod 20 moves to approach under attraction, the rotating disc 18 is driven to rotate slowly, the rotating disc 18 drives the annular filter screen 8 to rotate through the straight cylinder 19, residues on the annular filter screen 8 are thrown into the annular collection frame 7 through the centrifugal force generated by rotation, the residues are collected, the possibility that the residues are accumulated together to cause the blockage of the annular filter screen 8 is reduced, the filtered raw material liquid is discharged through the discharge pipe 5 after the valve 6 is opened, and after the filtering is finished, the sealing cover plate 2 is opened, the residue in the annular collecting frame 7 is cleaned, and simultaneously, the carbon dioxide gas is redissolved in the water solution under the elastic action of the elastic membrane 9 and the expansion spring 24.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.