A rotational moulding microfilter

Abstract

This invention discloses a rotational molding microfiltration machine, including a housing and a rotating drum. The rotating drum includes a vertically vibrating and rotatable cylindrical frame. A vibration motor is provided at one end of the cylindrical frame, and an inlet is provided at the other end of the cylindrical frame. Wastewater enters the internal cavity of the cylindrical frame through the inlet and passes through a grid screen located around the perimeter of the cylindrical frame to filter out impurities in the wastewater. The impurities adhere to the inner surface of the grid screen. Guide plates are provided at equal angles on the inner surface of the grid screen, and a dirt collection area is formed between adjacent sets of guide plates. This invention utilizes the internal space of the cylinder by providing a flexible adhesive sheet that can swing and resembles a "cow's stomach" structure on the inner side of the filter screen, which greatly improves the efficiency of impurity adhesion. Moreover, with the rotation of the cylinder, the flexible adhesive sheet and the wastewater make surface contact, which easily increases the contact area between the wastewater and the flexible adhesive sheet, resulting in high filtration efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of water filtering equipment, and in particular to a rotational molding micro filter. BACKGROUND

[0002] The micro filter is a screen filter for intercepting small suspended matters, has a cylindrical metal frame, and a rotating drum rotates around a horizontal shaft and is provided with a filter screen and can be used for filtering raw water in a waterworks, removing algae, water fleas and other plankton, and filtering industrial water, recycling swimming matters in industrial wastewater and final treatment of sewage.

[0003] A micro filter is disclosed in Chinese Patent No. CN211411228U, which comprises a water tank, a motor, a cylindrical filter screen, a cylindrical rotating ring, a first bearing, a third bearing, a high-pressure water pump, a water inlet pipe, a shunt pipe, a high-pressure nozzle and a high-pressure nozzle. The cylindrical rotating ring is arranged outside the right end of the circumference of the sewage inlet, the left end of the first bearing is connected to the middle part of the left end of the inside of the water tank, and the cylindrical rotating ring is rotatably arranged inside the circumference of the first bearing. Two groups of supporting legs are arranged on the left and right sides of the lower end of the water tank. The right end of the high-pressure water pump support plate is connected to the left end of the upper side of the water tank. The lower end of the high-pressure water pump is connected to the upper end of the high-pressure water pump support plate. The lower end of the water inlet pipe is connected to the upper side of the right end of the high-pressure water pump. The shunt pipe is provided with a micro filter self-cleaning device, which can clean the solid particles in the cylindrical filter screen in time, avoid the accumulation of a large amount of solid particles, and improve the use stability.

[0004] The rotating drum of the existing micro filter usually filters impurities in sewage, and a single-layer filter screen is used. The space inside the cylindrical drum cannot be reasonably utilized, the filtering effect is general, and with the rotation of the cylindrical drum, the filter screen and the sewage are in linear contact, it is difficult to increase the contact area between the sewage and the filter screen, and the filtering efficiency is low. SUMMARY

[0005] The application provides a rotational molding micro filter, which is provided with a flexible adhesion piece that can swing and imitates the structure of a cow's stomach on the inner side of the filter screen, so as to reasonably utilize the internal space of the cylindrical drum, greatly improve the efficiency of adhering impurities, and with the rotation of the cylindrical drum, the flexible adhesion piece and the sewage are in surface contact, so as to easily increase the contact area between the sewage and the flexible adhesion piece and improve the filtering efficiency.

[0006] The application provides a rotational molding micro filter, which adopts the following technical scheme:

[0007] The utility model provides a kind of rotational moulding microfiltration machine, including box and drum, the drum includes up and down vibration and rotatable cylinder frame, the one shaft end of the cylinder frame is equipped with vibration motor, the other shaft end of the cylinder frame is equipped with inlet, sewage is entered into the internal cavity of cylinder frame through inlet, and pass through the grid net for filtering out impurities in sewage, impurities adhere to the inner surface of grid net, the inner surface of the grid net is equiangularly provided with guide plate, and the adjacent two groups of guide plate form sludge collection area, and the sludge collection area is equipped with a plurality of groups of flexible adhering piece that can swing and the cross section is corrugated structure, the surface of the flexible adhering piece is equipped with a plurality of groups of strip-shaped grooves, impurities in sewage, pass through the adhering gap between the adjacent two groups of flexible adhering piece, and mutually contact with the surface of flexible adhering piece, by a plurality of groups of protruding points arranged on the outer surface of flexible adhering piece, for increasing the contact area of flexible adhering piece and impurities in sewage, enhance the adhering effect of impurities, the inside of the cylinder frame is equipped with water level line, along with cylinder frame in the up and down vibration in box, flexible adhering piece below water level line swing in sewage, for increasing the contact surface between sewage and flexible adhering piece, the upside of the water level line is equipped with sewage discharge groove, the opening of the sewage discharge groove is towards the side of guide plate, by being equipped with backwashing component in the top of grid net, for flushing grid net and flexible adhering piece, and the impurities adhered on grid filter and flexible adhering piece are washed down in sewage discharge groove, and the outlet of the sewage discharge groove is connected with sewage outlet arranged on the box.

[0008] By adopting the above technical scheme, the utility model is used for filtering impurities in sewage by imitating the structure of "cow stomach", and the filtering effect is greatly improved, wherein the drum corresponds to the structure of "whole stomach", and the flexible adhering piece corresponds to the structure of "gastric diverticulum", and the flexible adhering piece that can swing in sewage is evenly arranged on the inner surface of the drum, so as to filter impurities in sewage, and the protruding point corresponds to the point-shaped protrusion on the gastric diverticulum, so as to increase the contact area of the flexible adhering piece and impurities in sewage.

[0009] Preferably, a partition plate is longitudinally arranged in the box, the partition plate divides the internal space of the box into a microfiltration cavity for placing the drum and a driving cavity for placing the vibration motor, a water inlet is arranged on the box and connected with the inlet, the strip-shaped groove has a strip-shaped structure, and the opening cross section of the strip-shaped groove is trapezoidal.

[0010] By adopting the above technical scheme, sewage enters the microfiltration cavity through the water inlet arranged on the box, and the drum arranged in the microfiltration cavity is used for filtering impurities in sewage.

[0011] Preferably, the vibration motor and the cylinder frame are connected through a limiting component, the limiting component includes a limiting sliding rail and an output shaft arranged between the output end of the vibration motor and the cylinder frame, the limiting sliding rail is internally provided with a sliding block that slides up and down, the top and bottom of the sliding block are both provided with a spring, and the inside of the sliding block is provided with a bearing through which the output shaft passes.

[0012] By adopting the technical scheme, the cylinder frame is driven to vibrate up and down along the sliding block.

[0013] Preferably, the flexible adhesion piece is detachably arranged between the grid net through a detachable assembly, the detachable assembly comprises a mounting rail arranged on the surface of the grid net, a positioning mounting plate is slidably arranged in the mounting rail, the positioning mounting plate penetrates through an inlet and is slidably arranged along the axial direction of the cylinder frame, and the flexible adhesion piece is fixedly arranged on the plate surface of the positioning mounting plate.

[0014] By adopting the technical scheme, the flexible adhesion piece and the grid net are detachably arranged.

[0015] Preferably, a metal sheet is arranged in the positioning mounting plate, a plurality of groups of flexible metal sheets with a corrugated structure in cross section are arranged on the metal sheet, and the flexible metal sheets are arranged in the flexible adhesion piece.

[0016] By adopting the technical scheme, the flexible metal sheet has good flexibility, can easily cause the flexible adhesion piece to have a corrugated deformation, and has good vibration conduction effect of metal, so that when the rotating drum vibrates up and down, the flexible adhesion piece is caused to have a vibration effect by the metal sheet and the flexible metal sheet, and impurities on the flexible adhesion piece are shaken off.

[0017] Preferably, the driving end of the metal sheet penetrates through the positioning mounting plate, the driving end of the metal sheet is provided with a bent portion, a fan-shaped block is arranged on the lower side of the bent portion, and a driving motor for driving the fan-shaped block to rotate is arranged on the box body, and the output end of the driving motor and the fan-shaped block are eccentrically arranged.

[0018] By adopting the technical scheme, the driving motor is used to drive the fan-shaped block to rotate and knock the lower surface of the bent portion, so that the metal sheet is internally vibrated and the flexible adhesion piece is shaken, and when two adjacent groups of flexible adhesion pieces are shaken, the surfaces between the two groups of flexible adhesion pieces collide, so that impurities on the surfaces of the flexible adhesion pieces are shaken off.

[0019] Preferably, the protruding points are in a hemispherical structure, and the protruding points are bonded to the outer surface of the flexible adhesion piece.

[0020] By adopting the technical scheme, the flexible adhesion piece is in a leaf shape by imitating the structure of a "cow rumen", and a plurality of groups of protruding points in a hemispherical structure are used to adhere to impurities in sewage and increase the friction between the impurities and the flexible adhesion piece.

[0021] Preferably, the protruding points are in a branch structure, and the protruding points are bonded to the outer surface of the flexible adhesion piece.

[0022] By adopting the technical scheme, the rumen is leaf-shaped by imitating the structure of "cow rumen", and the convex points in the tree branch structure are used to form bifurcations on the convex points to "capture" flocculent impurities in the sewage and increase the friction between the flocculent impurities and the flexible adhesive sheet.

[0023] Preferably, one end of the guide plate is fixedly connected with the inner end of the cylinder frame, and the free end of the guide plate is provided with a bent corner, and the bent corner faces the opening of the sewage discharge groove.

[0024] By adopting the technical scheme, the free end of the guide plate is provided with a bent corner, when the impurities on the surface of the flexible adhesive sheet are removed, the impurities will fall into the bent corner, which plays a buffering role, avoids excessive gravitational potential energy, causes the impurities to be ejected between the flexible adhesive sheet and the sewage discharge groove, and is not easy to collect, so that the impurities are guided to the sewage discharge groove along the inclined surface of the bent corner.

[0025] Preferably, the backwashing assembly comprises a negative pressure pump for extracting clean water and a fixed rod fixedly arranged on the partition plate, the fixed rod is provided with a punching pipe in communication with the negative pressure pump, and the bottom of the punching pipe is provided with a plurality of groups of fan-shaped nozzles.

[0026] By adopting the technical scheme, the water sprayed by the fan-shaped nozzles is used to wash the impurities on the grid and the flexible adhesive sheet.

[0027] In summary, the present application has the following beneficial effects:

[0028] 1. The present application imitates the structure of "cow rumen" to filter out impurities in the sewage, and the filtering effect is greatly improved. The drum corresponds to the "whole rumen" structure, and the flexible adhesive sheet corresponds to the "rumen" structure. The flexible adhesive sheet can swing in the sewage and is uniformly arranged on the inner surface of the drum to filter out impurities in the sewage. The convex point corresponds to the "point-shaped convexity on the rumen", which is used to increase the contact area between the flexible adhesive sheet and the impurities in the sewage.

[0029] 2. The flexible adhesive sheet imitating the structure of "cow rumen" is arranged on the inner side of the filter screen to reasonably utilize the internal space of the cylinder, greatly improve the efficiency of adhering impurities, and the flexible adhesive sheet and the sewage are in surface contact with the rotation of the cylinder, which is easy to increase the contact area between the sewage and the flexible adhesive sheet, and the filtering efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the microfilter in the embodiment;

[0031] Figure 2 is an exploded structural schematic diagram between the drum and the limiting assembly in the embodiment;

[0032] Figure 3This is a front view of the drum in this embodiment;

[0033] Figure 4 This is a schematic diagram of the overall structure of the flexible adhesive sheet in this embodiment;

[0034] Figure 5 This is an exploded view of the mounting rail and the positioning mounting plate in this embodiment;

[0035] Figure 6 This is a schematic diagram of the overall structure of the protruding point in Embodiment 1;

[0036] Figure 7 This is a schematic diagram of the overall structure of the protruding point in Embodiment 2;

[0037] Explanation of reference numerals in the attached drawings: 1. Housing; 2. Drum; 201. Frame; 202. Vibration motor; 203. Grille; 3. Divider plate; 4. Drive chamber; 5. Microfiltration chamber; 6. Inlet; 7. Limiting assembly; 701. Limiting slide rail; 702. Output shaft; 703. Slider; 704. Spring; 705. Bearing; 8. Guide plate; 9. Flexible adhesive sheet; 10. Assembly / disassembly assembly; 1001. Mounting rail; 1002. Positioning mounting plate; 11. Metal sheet; 12. Metal plate; 13. Bending part; 14. Fan-shaped block; 15. Drive motor; 16. Strip groove; 17. Protruding point; 18. Drainage trough; 19. Drainage port; 20. Backwashing assembly. Detailed Implementation

[0038] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0039] Example 1: This invention discloses a rotational molding microfiltration machine, such as... Figure 1 As shown, the device includes a housing 1 and a rotating drum 2. The rotating drum 2 includes a vertically vibrating and rotatable cylindrical frame 201. A vibration motor 202 is provided at one shaft end of the cylindrical frame 201. A partition plate 3 is provided longitudinally inside the housing 1. The partition plate 3 divides the internal space of the housing 1 into a microfiltration chamber 5 for placing the rotating drum 2 and a drive chamber 4 for placing the vibration motor 202. The housing 1 is provided with a water inlet 6 connected to the inlet. The partition plate 3 serves to separate dry and wet materials and prevent the vibration motor 202 from getting damp. Wastewater enters the microfiltration chamber 5 through the water inlet 6 on the housing 1 and passes through the rotating drum 2 in the microfiltration chamber 5 to filter out impurities in the wastewater.

[0040] like Figure 2As shown, the vibration motor 202 is connected between the cylinder frame 201 through the limiting assembly 7, the limiting assembly 7 includes a limiting slide rail 701 and an output shaft 702 arranged between the output end of the vibration motor 202 and the cylinder frame 201, the inside of the limiting slide rail 701 is provided with a slider 703 sliding up and down, the top and bottom of the slider 703 are provided with springs 704, the inside of the slider 703 is provided with a bearing 705 for the output shaft 702 to pass through, for driving the cylinder frame 201 to vibrate up and down along the slider 703; the other shaft end of the cylinder frame 201 is provided with an inlet, the sewage enters the inside cavity of the cylinder frame 201 through the inlet, and passes through the grid net 203 arranged at the circumferential position of the cylinder frame 201, for filtering impurities in the sewage, the grid net 203 includes a filter screen, a plurality of groups of flexible horizontal strips and flexible vertical strips, the plurality of groups of flexible horizontal strips and flexible vertical strips are interlaced longitudinally and transversely, and the flexible horizontal strips and the flexible vertical strips surround the mounting holes for mounting the filter screen, and the filter screen realizes the function of filtering impurities in the sewage.

[0041] As shown in Figure 3 impurities adhere to the inner surface of the grid net 203, the inner surface of the grid net 203 is provided with guide plates 8 at equal angles, a pollution collection area is formed between adjacent two groups of guide plates 8, a plurality of groups of flexible adhesion pieces 9 capable of swinging and having a corrugated cross-section structure are arranged in the pollution collection area, the material of the flexible adhesion pieces 9 is silica gel, the silica gel is soft, on the one hand, the flexible adhesion pieces 9 in the sewage swing with the scouring of the sewage, on the other hand, the surface of the silica gel is provided with natural texture for increasing the friction between the impurities and the silica gel, for adhering the impurities in the sewage; the flexible adhesion pieces 9 are detachably arranged between the grid net 203 through the disassembly assembly 10, the disassembly assembly 10 includes a mounting rail 1001 arranged on the surface of the grid net 203, a positioning mounting plate 1002 is slidingly arranged in the inside of the mounting rail 1001, the positioning mounting plate 1002 penetrates the inlet and is slidingly arranged along the axis direction of the cylinder frame 201, the flexible adhesion pieces 9 are fixedly arranged on the plate surface of the positioning mounting plate 1002, for disassembling and replacing the flexible adhesion pieces 9 and the grid net 203; as shown in Figure 4 the inside of the positioning mounting plate 1002 is provided with a metal sheet 11, a plurality of groups of flexible metal sheets 12 having a corrugated cross-section structure are arranged on the metal sheet 11, the flexible metal sheets 12 are arranged in the inside of the flexible adhesion pieces 9, the metal sheet 11 and the flexible metal sheets 12 have good flexibility, are easy to cause the flexible adhesion pieces 9 to deform in a corrugated shape, and have good vibration conduction effect of metal, when the rotating drum 2 vibrates up and down, the metal sheet 11 and the flexible metal sheets 12 can enhance the vibration effect of the flexible adhesion pieces 9, for shaking off the impurities on the flexible adhesion pieces 9; as shown in Figure 5As shown, the driving end of the metal sheet 11 penetrates the positioning mounting plate 1002, and the driving end of the metal sheet 11 is provided with a bending portion 13, the lower side of the bending portion 13 is provided with a sector block 14 and a driving motor 15 for driving the sector block 14 to rotate, the driving motor 15 is arranged on the box body 1, and the output end of the driving motor 15 is arranged eccentrically with the sector block 14. Through the driving motor 15, the rotation of the sector block 14 is driven, and the lower surface of the bending portion 13 is knocked, so that the metal sheet 11 is internally vibrated, and the flexible adhesion piece 9 is shaken. When the adjacent two groups of flexible adhesion pieces 9 are shaken, the surfaces between the two groups of flexible adhesion pieces 9 collide, so as to shake off the impurities on the surface of the flexible adhesion piece 9; the surface of the flexible adhesion piece 9 is provided with a plurality of groups of strip-shaped grooves 16, the strip-shaped grooves 16 are in a strip-shaped structure, and the opening section of the strip-shaped groove 16 is a trapezoidal shape, which is used for providing an adhesion space for the impurities in the sewage. The impurities in the sewage pass through the adhesion gap between the adjacent two groups of flexible adhesion pieces 9 and are in contact with the surface of the flexible adhesion piece 9. A plurality of groups of protruding points 17 are arranged on the outer surface of the flexible adhesion piece 9, such as Figure 6 As shown, the protruding point 17 is a hemispherical structure, the protruding point 17 is bonded to the outer surface of the flexible adhesion piece 9, and the flexible adhesion piece 9 is in a blade shape by imitating the structure of the “cow rumen”. A plurality of groups of protruding points 17 in a hemispherical shape are used for adhering the impurities in the sewage and increasing the friction between the impurities and the flexible adhesion piece 9. The inside of the cylinder frame 201 is provided with a water level line. The flexible adhesion piece 9 below the water level line swings in the sewage when the cylinder frame 201 vibrates up and down in the box body 1, so as to increase the contact surface between the sewage and the flexible adhesion piece 9. The upper side of the water level line is provided with a sewage discharge groove 18, the opening of the sewage discharge groove 18 faces one side of the guide plate 8, one end of the guide plate 8 is fixedly connected to the inner end of the cylinder frame 201, the free end of the guide plate 8 is provided with a bent corner, and the bent corner faces the opening of the sewage discharge groove 18. By arranging the bent corner at the free end of the guide plate 8, when the impurities on the surface of the flexible adhesion piece 9 are removed, the impurities will fall into the bent corner, which plays a buffering role, avoids the gravitational potential energy being too large, causes the impurities to be ejected between the impurities and the sewage discharge groove 18, and makes the impurities difficult to collect. The impurities are guided to the sewage discharge groove 18 along the inclined surface of the bent corner. The backwashing assembly 20 arranged on the top of the grid net 203 is used for backwashing the impurities on the grid net 203 and the flexible adhesion piece 9. The backwashing assembly 20 includes a negative pressure pump for pumping clean water and a fixed rod fixedly arranged on the partition plate 3. The fixed rod is provided with a stamping pipe in communication with the negative pressure pump. The bottom of the stamping pipe is provided with a plurality of groups of sector-shaped nozzles. The water sprayed by the sector-shaped nozzles is used for washing the impurities on the grid net 203 and the flexible adhesion piece 9. The impurities adhered to the grid net and the flexible adhesion piece 9 fall into the sewage discharge groove 18. The outlet of the sewage discharge groove 18 is in communication with the sewage discharge port 19 arranged on the box body 1.

[0042] Working principle: before use, the user first connects the sewage outlet to the water inlet 6 on the box 1, the sewage through the water inlet 6 set in the box 1 into the internal space of the drum 2, the sewage will first contact with the flexible adhesion piece 9 arranged on the inner surface of the drum 2, the larger particles in the sewage will adhere to the inside of the strip-shaped groove 16, the soft flocculent impurities adhere to the convex point 17 on the surface of the flexible adhesion piece 9, increase the friction between the impurities and the flexible adhesion piece 9, good adsorption effect, and obtain the initial filtration of sewage, the initial filtration of sewage passes through the adhesion gap and contacts with the grid net 203, through the grid net 203, the impurities in the initial filtration of sewage are filtered out, and the final filtration water is obtained, the final filtration water passes through the grid net 203, is discharged to the inside of the microfiltration cavity 5, and is discharged to the appropriate position through the water outlet arranged on the box 1;

[0043] When the sewage to be injected into the drum 2 exceeds the water level, the vibration motor 202 is started to make the drum 2 vibrate up and down during rotation, and the flexible adhesion piece 9 below the water level swings in the sewage, which is used to increase the contact surface between the sewage and the flexible adhesion piece 9, and the flexible adhesion piece 9 above the water level shakes, and the adjacent two groups of flexible adhesion pieces 9 rub against each other, which is used to peel off the impurities adhered to the surface of the flexible adhesion piece 9, so that the impurities fall into the sewage discharge groove 18 under the action of gravity, and then the power supply of the backwashing assembly 20 is turned on to make the impurities adhered to the grid filter screen and the flexible adhesion piece 9 fall into the sewage discharge groove 18 and then be discharged to the outside of the box 1 through the sewage discharge port 19;

[0044] During the flushing process by using the backwashing assembly 20, the driving motor 15 is turned on to drive the rotation of the fan-shaped block 14 and knock the lower surface of the bent part 13, so that the metal sheet 11 vibrates and the flexible adhesion piece 9 shakes, and when the adjacent two groups of flexible adhesion pieces 9 shake, the surfaces of the two groups of flexible adhesion pieces 9 collide with each other, which is used to shake off the impurities on the surface of the flexible adhesion piece 9 and clean the flexible adhesion piece 9 efficiently.

[0045] Embodiment 2: the application discloses a rotational molding microfiltration machine, as shown in the figure, Figure 1 which comprises a box 1 and a drum 2, the drum 2 comprises an up-and-down vibrating and rotatable cylinder frame 201, the cylinder frame 201 is provided with a vibration motor 202 at one shaft end, the inside of the box 1 is longitudinally provided with a partition plate 3, the partition plate 3 divides the internal space of the box 1 into a microfiltration cavity 5 for placing the drum 2 and a driving cavity 4 for placing the vibration motor 202, the box 1 is provided with a water inlet 6 connected with an inlet, sewage passes through the water inlet 6 arranged on the box 1 and enters the microfiltration cavity 5, and the drum 2 arranged in the microfiltration cavity 5 is used to filter impurities in the sewage;

[0046] as shown in the figure, Figure 2As shown, the vibration motor 202 is connected between the cylinder frame 201 through the limiting assembly 7, the limiting assembly 7 includes a limiting slide rail 701 and an output shaft 702 arranged between the output end of the vibration motor 202 and the cylinder frame 201, the inside of the limiting slide rail 701 is provided with a sliding block 703 sliding up and down, the top and bottom of the sliding block 703 are provided with springs 704, the inside of the sliding block 703 is provided with a bearing 705 for the output shaft 702 to pass through, for driving the cylinder frame 201 to vibrate up and down along the sliding block 703;

[0047] The other shaft end of the cylinder frame 201 is provided with an inlet, sewage enters the internal cavity of the cylinder frame 201 through the inlet, and passes through the grid net 203 arranged at the circumferential position of the cylinder frame 201, for filtering impurities in the sewage, the grid net 203 includes a filter screen, a plurality of groups of flexible horizontal strips and flexible vertical strips, the plurality of groups of flexible horizontal strips and flexible vertical strips are interlaced longitudinally and transversely, and the flexible horizontal strips and the flexible vertical strips surround the mounting holes for mounting the filter screen, and the filter screen is used to filter impurities in the sewage.

[0048] As shown in the figure, Figure 3 Impurities adhere to the inner surface of the grid net 203, the inner surface of the grid net 203 is provided with guide plates 8 at equal angles, a pollution collection area is formed between adjacent two groups of guide plates 8, a plurality of groups of flexible adhesion pieces 9 capable of swinging and having a corrugated cross-section structure are arranged in the pollution collection area, the material of the flexible adhesion pieces 9 is silica gel, the silica gel is soft, on the one hand, the flexible adhesion pieces 9 in the sewage swing with the scouring of the sewage, on the other hand, the surface of the silica gel is provided with natural texture for increasing the friction between the impurities and the silica gel, for adhering the impurities in the sewage; as shown in the figure, Figure 4 The flexible adhesion pieces 9 and the grid net 203 are detachably arranged through the disassembly assembly 10, the disassembly assembly 10 includes a mounting rail 1001 arranged on the surface of the grid net 203, a positioning mounting plate 1002 is slidingly arranged in the inside of the mounting rail 1001, the positioning mounting plate 1002 penetrates the inlet and is slidingly arranged along the axis direction of the cylinder frame 201, the flexible adhesion pieces 9 are fixedly arranged on the plate surface of the positioning mounting plate 1002, for disassembling and replacing the flexible adhesion pieces 9 and the grid net 203; as shown in the figure, Figure 5As shown, the inside of the positioning mounting plate 1002 is provided with a metal sheet 11, and the metal sheet 11 is provided with a plurality of groups of flexible metal sheets 12 in a corrugated structure, which are arranged in the inside of the flexible adhesive sheet 9. The metal sheet 11 and the flexible metal sheet 12 have good flexibility, which facilitates the corrugated deformation of the flexible adhesive sheet 9, and the metal has good vibration conduction effect. When the rotating drum 2 vibrates up and down, the metal sheet 11 and the flexible metal sheet 12 can enhance the vibration effect of the flexible adhesive sheet 9, so as to shake off the impurities on the flexible adhesive sheet 9. The driving end of the metal sheet 11 penetrates through the positioning mounting plate 1002, and the driving end of the metal sheet 11 is provided with a bent portion 13. The lower side of the bent portion 13 is provided with a sector block 14 and a driving motor 15 for driving the sector block 14 to rotate. The driving motor 15 is arranged on the box body 1, and the output end of the driving motor 15 is eccentrically arranged with the sector block 14. Through the driving motor 15, the rotation of the sector block 14 is driven, and the lower surface of the bent portion 13 is knocked, so that the metal sheet 11 vibrates, and the flexible adhesive sheet 9 shakes. When the adjacent two groups of flexible adhesive sheets 9 shake, the surfaces between the two groups of flexible adhesive sheets 9 collide, so as to shake off the impurities on the surface of the flexible adhesive sheet 9. The surface of the flexible adhesive sheet 9 is provided with a plurality of groups of strip-shaped grooves 16 in a strip-shaped structure, and the opening section of the strip-shaped groove 16 is a trapezoidal structure, which is used to provide an adhesive space for the impurities in the sewage. The impurities in the sewage pass through the adhesive gap between the adjacent two groups of flexible adhesive sheets 9 and contact the surface of the flexible adhesive sheet 9. Through a plurality of groups of protruding points 17 arranged on the outer surface of the flexible adhesive sheet 9, Figure 7As shown, the protruding point 17 is a branch structure, the protruding point 17 is bonded with the outer surface of the flexible adhesive piece 9, through the imitation "cow rumen" structure, the rumen is leaf-shaped, a plurality of groups of the protruding point 17 in the branch structure is formed on the protruding point 17, is used for "catching" the flocculent impurities in the sewage, increases the friction between the flocculent impurities and the flexible adhesive piece 9, the inside of the cylinder frame 201 is provided with a water level line, along with the up and down vibration of the cylinder frame 201 in the box 1, the flexible adhesive piece 9 below the water level line swings in the sewage, is used to increase the contact area between the sewage and the flexible adhesive piece 9, the water level line is provided with a sewage discharge groove 18 on the side, the opening of the sewage discharge groove 18 is towards the side of the guide plate 8, one end of the guide plate 8 is fixedly connected with the inner end of the cylinder frame 201, the free end of the guide plate 8 is provided with a bending corner, and the bending corner is towards the opening of the sewage discharge groove 18, by being provided with the bending corner at the free end of the guide plate 8, when the impurities on the surface of the flexible adhesive piece 9 are removed, the impurities will fall into the bending corner, play a buffering role, avoid the gravitational potential energy being too large, cause the ejection between the impurities and the sewage discharge groove 18, not easy to collect, make the impurities be guided to the sewage discharge groove 18 along the inclined surface of the bending corner; through the backwashing assembly 20 arranged at the top of the grid net 203, the backwashing assembly 20, the backwashing assembly 20 includes a negative pressure pump for extracting clean water and a fixed rod fixedly arranged on the partition plate 3, the fixed rod is provided with a stamping pipe in communication with the negative pressure pump, the bottom of the stamping pipe is provided with a plurality of groups of fan-shaped nozzles, the impurities on the grid net 203 and the flexible adhesive piece 9 are washed by the water sprayed by the fan-shaped nozzles, the impurities attached to the grid filter and the flexible adhesive piece 9 are washed and fall into the sewage discharge groove 18, and the outlet of the sewage discharge groove 18 is communicated with the sewage outlet 19 arranged on the box 1.

[0049] Working principle: before use, the user first connects the sewage outlet to the water inlet 6 on the box 1, the sewage passes through the water inlet 6 arranged on the box 1 and enters the inside space of the rotating drum 2, the sewage first contacts the flexible adhesive piece 9 arranged on the inner surface of the rotating drum 2, the larger particles in the sewage are adhered to the inside of the strip-shaped groove 16, the soft flocculent impurities are adhered to the protruding point 17 on the surface of the flexible adhesive piece 9, the friction between the impurities and the flexible adhesive piece 9 is increased, the adsorption effect is good, and the initial filtered sewage is obtained, the initial filtered sewage passes through the adhesive gap and contacts the grid net 203, the impurities in the initial filtered sewage are filtered through the grid net 203, and the final filtered water is obtained, the final filtered water passes through the grid net 203, is discharged to the inside of the microfiltration cavity 5, and is discharged to a suitable position through the water outlet arranged on the box 1;

[0050] When the sewage to be injected into the rotating drum 2 exceeds the water level, the rotating drum 2 is caused to vibrate up and down during self-rotation by starting the vibration motor 202, and the flexible adhesion sheet 9 below the water level is caused to swing in the sewage, thereby increasing the contact surface between the sewage and the flexible adhesion sheet 9, and the flexible adhesion sheet 9 above the water level is caused to shake, and the adjacent two groups of flexible adhesion sheets 9 are caused to rub against each other, thereby peeling off the impurities adhered to the surface of the flexible adhesion sheet 9, and the impurities fall into the sewage discharge groove 18 under the action of gravity, and then the power supply of the backwashing assembly 20 is turned on, the impurities adhered to the grid filter screen and the flexible adhesion sheet 9 are washed into the sewage discharge groove 18, and are discharged to the outside of the box body 1 through the sewage discharge port 19.

[0051] During the washing process by using the backwashing assembly 20, the driving motor 15 is turned on to drive the rotation of the fan-shaped block 14, and the lower surface of the bent portion 13 is knocked to cause the metal sheet 11 to vibrate, and the flexible adhesion sheet 9 is caused to shake, and when the adjacent two groups of flexible adhesion sheets 9 are caused to shake, the surfaces between the two groups of flexible adhesion sheets 9 collide with each other, thereby shaking off the impurities on the surface of the flexible adhesion sheet 9, and efficiently cleaning the flexible adhesion sheet 9.

[0052] The above are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A rotational moulding microfilter machine characterised in that: The utility model provides a sewage treatment device, including box (1) and drum (2), the drum (2) includes up and down vibration and rotatable cylinder frame (201), one shaft end of cylinder frame (201) is equipped with vibration motor (202), and the other shaft end of cylinder frame (201) is equipped with inlet, sewage enters the inside cavity of cylinder frame (201) through inlet and passes through the grid (203) of the position on the four around of cylinder frame (201) and is used for filtering the impurity in sewage, and the inner surface of grid (203) is provided with guide plate (8) at equal angle, and the guide plate (8) between adjacent two groups forms the sludge collection area, and the sludge collection area is equipped with a plurality of groups of flexible adhering piece (9) that can swing and the cross section is corrugated structure, the surface of flexible adhering piece (9) is equipped with a plurality of groups of strip recess (16), and the impurity in sewage passes through the adhering gap between adjacent two groups of flexible adhering piece (9) and is in contact with the surface of flexible adhering piece (9), and a plurality of groups of convex point (17) for increasing the contact area of flexible adhering piece (9) and the impurity in sewage and enhancing the adhering effect of impurity are arranged on the outer surface of flexible adhering piece (9), the inside of cylinder frame (201) is equipped with water level line, and the flexible adhering piece (9) below water level line swings in sewage for increasing the contact surface between sewage and flexible adhering piece (9) along with the up and down vibration of cylinder frame (201) in box (1), the water level line upside is equipped with sewage discharge groove (18), and the opening of sewage discharge groove (18) faces the side of guide plate (8), and backwashing assembly (20) for washing grid (203) and flexible adhering piece (9) is arranged on the top of grid (203), and the impurity adhered on grid filter and flexible adhering piece (9) is washed and falls in sewage discharge groove (18), and the outlet of sewage discharge groove (18) is connected with sewage discharge port (19) on box (1); The detachable setting between flexible adhering piece (9) and grid (203) is through dismounting assembly (10), the dismounting assembly (10) includes the installation rail (1001) of grid (203) surface, the inside slide of installation rail (1001) is equipped with the locating mounting plate (1002), the locating mounting plate (1002) penetrates the inlet and is along the axial direction of cylinder frame (201) and is slidably arranged, and the flexible adhering piece (9) is fixedly arranged on the board surface of locating mounting plate (1002); The inside of locating mounting plate (1002) is equipped with metal sheet (11), and the metal sheet (11) is equipped with a plurality of groups of flexible metal sheet (12) that the cross section is corrugated structure, and the flexible metal sheet (12) is arranged in the inside of flexible adhering piece (9). The driving end of the metal sheet (11) penetrates through the positioning mounting plate (1002), and the driving end of the metal sheet (11) is provided with a bending part (13), the lower side of the bending part (13) is provided with a sector block (14) and a driving motor (15) for driving the sector block (14) to rotate, the driving motor (15) is arranged on the box body (1), and the output end of the driving motor (15) is eccentrically arranged from the sector block (14). The convex point (17) is a hemispherical structure, and the convex point (17) is bonded to the outer surface of the flexible adhesive sheet (9).

2. Rotomoulding microfilter according to claim 1, characterised in that: The inside of the box body (1) is longitudinally provided with a partition plate (3), the partition plate (3) divides the internal space of the box body (1) into a microfiltration cavity (5) for placing the rotating drum (2) and a driving cavity (4) for placing the vibration motor (202), the box body (1) is provided with a water inlet (6) in communication with the inlet, the strip-shaped groove (16) is in a strip-shaped structure, and the opening section of the strip-shaped groove (16) is a trapezoidal shape.

3. Rotational moulding microfilter according to claim 1, characterized in that: The vibration motor (202) and the cylinder frame (201) are connected through a limiting assembly (7), the limiting assembly (7) comprises a limiting sliding rail (701) and an output shaft (702) arranged between the output end of the vibration motor (202) and the cylinder frame (201), the inside of the limiting sliding rail (701) is provided with a sliding block (703) sliding up and down, the top and bottom of the sliding block (703) are provided with springs (704), and the inside of the sliding block (703) is provided with a bearing (705) for the output shaft (702) to pass through.

4. The rotational microfilter machine of claim 1, wherein: The convex point (17) is a branch structure, and the convex point (17) is bonded to the outer surface of the flexible adhesive sheet (9).

5. The roto-molding microfilter machine of claim 1, wherein: One end of the guide plate (8) is fixedly connected to the inner end of the cylinder frame (201), the free end of the guide plate (8) is provided with a bent corner, and the bent corner faces the opening of the blow-off groove (18).

6. The roto-molding microfilter machine of claim 1, wherein: The backwashing assembly (20) comprises a negative pressure pump for pumping clean water and a fixing rod fixedly arranged on the partition plate (3), the fixing rod is provided with a punching pipe in communication with the negative pressure pump, and the bottom of the punching pipe is provided with a plurality of groups of sector-shaped nozzles.

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