CN217163464U

CN217163464U - Novel rotary drum type micro-filter device

Info

Publication number: CN217163464U
Application number: CN202122608033.2U
Authority: CN
Inventors: 张佳; 谭鹤群
Original assignee: Huazhong Agricultural University
Current assignee: Huazhong Agricultural University
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-08-12
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a novel rotary drum microstrainer device, be equipped with open-ended quick-witted case, top cap, filtering component, back flush subassembly and conveying assembly including the top, the sealed lid movable mounting of top cap is at open-ended machine roof portion, filtering component rotates the assembly at quick-witted incasement, back flush unit mount is at quick-witted incasement top and output towards filtering component. The utility model discloses whole corrosion resisting property is high, long service life, make things convenient for the staff follow-up to maintain the clearance to filtering the drum, under the cooperation of seal ring flange and seal ring, whole sealing performance has been consolidated, the relatively poor a large amount of residues of traditional quick-witted case leakproofness have been avoided adhering to central axis pipe and have been filtered the drum junction and rust to central axis pipe for a long time, influence the situation of equipment operation, simultaneously through adding regularly on-off controller and floater level gauge, make this equipment can carry out manual operation, regularly anti-washing and liquid level warning back flush process, the good filtration state of filtering the drum has been guaranteed.

Description

Novel rotary drum type micro-filter device

Technical Field

The utility model relates to a water treatment facilities correlation technique field specifically is novel rotary drum type micro-filter device.

Background

The aim is that aquaculture as a reliable food source can be rapidly developed worldwide, but the sustainable development of the aquaculture industry is severely restricted by the traditional aquaculture mode which consumes resources and pollutes the environment at present.

The closed recirculating aquaculture system adopts certain engineering facilities and water treatment facilities to treat aquaculture discharge water and then realize recycling, thereby realizing high yield, high efficiency, high quality and zero pollution. Due to the particularity of seawater or aquaculture water, the working environment is humid, the air has high salt content and strong corrosivity, and the requirements on the reliability, corrosion resistance and stability of equipment are high.

The rotary drum type microfilter is a commonly used primary filtering device in an industrial circulating water aquaculture system, realizes a purification device for solid-liquid separation by intercepting suspended matters in aquaculture water, can be used for filtering solid suspended matters and particle dirt with the particle size of more than 30 mu m such as residual baits, fish feces and the like in aquaculture water, and can timely clean a microporous screen by the rotation of a rotary drum and the acting force of backwashing while filtering, so that the device is always kept in a good working state.

The prior art has the following defects: the traditional drum-type micro-filter is made of common materials and cannot resist salt water corrosion, a filter screen is mostly made of metal wires, the filter screen is easy to deform and damage under larger water pressure and is more frequently damaged, the existing filter screen and filter cylinder are generally integrally welded and formed, the filter screen cannot be disassembled and washed, and the maintenance and the replacement are troublesome; the automatic back-flushing control method is unreasonable, and phenomena such as unclean filter screen flushing, sudden start and sudden stop of a water pump and the like often occur; and the cooperation has the gap between the current microstrainer equipment accessories, the poor problem of sealed, and bait residue can leak out through the fit clearance, pollutes the water source after filtering, and a large amount of residues are attached to on straining a section of thick bamboo transmission shaft for a long time, carry out the corrosion to the transmission shaft, influence equipment operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel rotary drum micro-filter device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: novel rotary drum microstrainer device is equipped with open-ended quick-witted case, top cap, filtering component, back flush subassembly and conveying assembly including the top, the sealed lid movable mounting of top cap is at open-ended machine roof portion, filtering component rotates the assembly at quick-witted incasement, back flush unit mount is at quick-witted incasement top and output orientation filtering component, conveying assembly wears to establish in quick-witted case middle part and extends to filtering component.

As a further preferred option of the technical scheme, the four corners of the lower surface of the chassis are locked and provided with universal wheels, and the bottom of the chassis is provided with a grid plate pressing frame in a pressing manner.

As a further optimization of the technical proposal, the filtering component comprises two groups of disks, a plurality of groups of reinforcing ribs, an external filter screen, a wall-passing joint, a driving motor, a driving gear and an external gear ring, the two groups of disks are symmetrically and rotatably arranged at two sides of the inner wall of the chassis through bearings, two ends of the plurality of groups of reinforcing ribs are evenly distributed at the edges of the inner wall of the two groups of disks, and part of the reinforcing ribs are detachably arranged and reserved corresponding to the backwashing component, and the two groups of discs and the plurality of groups of reinforcing ribs are spliced into a filtering cylinder, the external filter screen is wrapped outside the filter cylinder in a sealing way, the wall-passing joint is arranged at the bottom end of the side wall of the case in a sealing way, the driving motor is arranged at the top end of the inner wall of the case through a bracket, the driving gear is arranged at the output end of the driving motor, the outer gear ring is fixedly sleeved at the edge of one group of discs, and the driving gear is in meshed transmission connection with the outer gear ring.

As a further preferred of the technical scheme, the whole case is made of an acrylic material, and the external filter screen is made of a polyester material.

As a further preferred of this technical scheme, conveying assembly includes central axis pipe, multiunit water distribution hole, blowdown district and multiunit sealing, central axis pipe seals in proper order and passes quick-witted case middle part, filter drum middle part, and the multiunit sealing is installed in central axis pipe and quick-witted case, filter drum junction, and the multiunit the water distribution hole is evenly seted up on central axis pipe, one side in central axis pipe is reserved in the blowdown district.

As a further preferred aspect of the present technical solution, the sealing portions each include a sealing flange and a sealing washer, the sealing flange and the central shaft tube are assembled by interference, and the sealing washer is pressed at a contact position of the sealing flange, the chassis, and the disc to seal.

As a further preferred of this technical scheme, the back flush subassembly is equipped with open-ended waste recycling box, scum pipe, sealed apron, sealing rubber pad and control part including spouting chamber, multiunit back flush shower nozzle, top, spout the chamber and erect at quick-witted incasement top, and spout the chamber and pass through pipeline and external water source intercommunication, the multiunit back flush shower nozzle intercommunication is installed at spouting the chamber lower surface, waste recycling box installs in the blowdown district top, intercommunication in scum pipe both ends and waste recycling box, the blowdown district, sealing rubber pad installs at sealed apron lower surface, and sealing rubber pad seal installation is at the junction of scum pipe, blowdown district, the control part is installed at quick-witted incasement.

As a further preferred feature of the present technical solution, the control unit includes a timing switch controller and a float level meter, the timing switch controller is installed on an outer wall of the chassis, the float level meter is installed on a lower surface of the central shaft tube, and the timing switch controller is connected to the spray chamber control unit and the float level meter via wireless data.

The utility model provides a novel rotary drum micro-filter device possesses following beneficial effect:

(1) the utility model discloses a be equipped with conveying assembly, external sewage carries out even distribution through the water distribution pore pair sewage that evenly is equipped with and discharges, avoid appearing sewage and gather in a large number and lead to the not good situation of filter fineness, and under the cooperation of sealing, sealed flange dish carries out preliminary sealing treatment to central siphon and quick-witted case, the disc, and under seal ring's cooperation, whole sealing performance has been consolidated, the relatively poor a large amount of residues of traditional machine case leakproofness are attached to central siphon for a long time and are filtered the drum junction and corrode central siphon, the situation of influence equipment operation.

(2) The utility model discloses a be equipped with back flush subassembly, but operating personnel manual operation time switch controller, the start-up spouts the chamber and supplies water work, carry high-pressure water source to outside filter screen surface through back flush shower nozzle, can the efficient carry out the counter impact to accumulational debris on the outside filter screen, the linkage filters the drum and has rotated the comprehensive cleaning work of having realized outside filter screen, later debris drop and collect in the waste recovery box, the scum pipe transmits the waste material to discharging in the blowdown district, through having increased time switch controller and floater level gauge, make this equipment can carry out regularly anti-washing and liquid level warning back flush process, the good filtration state of filtering the drum has been guaranteed.

Drawings

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

fig. 2 is a schematic view of the internal structure of the case of the present invention;

FIG. 3 is a schematic view of the filter assembly of the present invention;

FIG. 4 is a schematic structural view of the back washing assembly of the present invention;

fig. 5 is a schematic structural view of the conveying assembly of the present invention;

fig. 6 is a schematic view of a central shaft of the present invention;

fig. 7 is a schematic structural view of the filtering cylinder of the present invention.

In the figure: 1. a chassis; 2. a top cover; 3. a filter assembly; 4. a backwash assembly; 5. a delivery assembly; 6. a universal wheel; 7. pressing a frame by using a grid plate; 8. a disc; 9. reinforcing ribs; 10. an outer screen; 11. a through-wall joint; 12. a drive motor; 13. a drive gear; 14. an outer ring gear; 15. a central shaft tube; 16. water distribution holes; 17. a blowdown area; 18. a sealing part; 19. a filter cylinder; 20. sealing the flange plate; 21. a sealing gasket; 22. a spray chamber; 23. backwashing the spray head; 24. a waste recovery box; 25. a slag discharge pipe; 26. sealing the cover plate; 27. sealing the rubber pad; 28. a control unit; 29. a timing switch controller; 30. a floating ball liquid level meter.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-7, the utility model provides a technical scheme: novel rotary drum microstrainer device, including the top be equipped with open-ended quick-witted case 1, top cap 2, filter component 3, back flush subassembly 4 and conveying assembly 5, the sealed lid movable mounting of top cap 2 is at open-ended quick-witted case 1 top, and filter component 3 rotates the assembly at quick-witted incasement 1, and back flush subassembly 4 is installed on quick-witted incasement 1 top and output towards filter component 3, and conveying assembly 5 wears to establish at quick-witted case 1 middle part and extends to in the filter component 3.

In this embodiment, specifically: universal wheels 6 are installed at four corners of the lower surface of the case 1 in a locking mode, and a grid plate pressing frame 7 is arranged at the bottom of the case 1 in a pressing mode.

In this embodiment, specifically: the filtering component 3 comprises two groups of discs 8, a plurality of groups of reinforcing ribs 9, an external filter screen 10, a wall-passing joint 11, a driving motor 12, a driving gear 13 and an external gear ring 14, the two groups of discs 8 are symmetrically and rotatably arranged at two sides of the inner wall of the case 1 through bearings, two ends of the plurality of groups of reinforcing ribs 9 are uniformly distributed at the edges of the inner walls of the two groups of discs 8, and part of the reinforcing ribs 9 are detachably arranged and are reserved corresponding to the back washing component 4, and two groups of discs 8 and a plurality of groups of reinforcing ribs 9 are spliced to form a filtering cylinder 19, an external filter screen 10 is wrapped outside the filtering cylinder 19 in a sealing mode, a wall-passing connector 11 penetrates through the bottom end of the side wall of the case 1 in a sealing mode, a driving motor 12 is installed at the top end of the inner wall of the case 1 through a support, a driving gear 13 is installed at the output end of the driving motor 12, an outer gear ring 14 is fixedly sleeved on the edge of one group of discs 8, and the driving gear 13 is in meshed transmission connection with the outer gear ring 14.

In this embodiment, specifically: the whole case 1 is made of an acrylic material, and the external filter screen 10 is made of a polyester material.

In this embodiment, specifically: conveying assembly 5 includes central axis pipe 15, multiunit water distribution hole 16, sewage discharging area 17 and multiunit sealing 18, central axis pipe 15 seals in proper order and passes quick-witted case 1 middle part, filter 19 middle parts of drum, multiunit sealing 18 is installed at central axis pipe 15 and quick-witted case 1, filter 19 junctions of drum, multiunit water distribution hole 16 is evenly seted up on central axis pipe 15, sewage discharging area 17 reserves one side in central axis pipe 15, external sewage carries out even distribution through the water distribution hole 16 that evenly is equipped with and discharges sewage, avoid appearing sewage and gather in a large number and lead to the not good situation of filter fineness.

In this embodiment, specifically: sealing portion 18 all includes sealing flange 20, seal ring 21, sealing flange 20 and central axis pipe 15 adopt interference combination mounting, seal ring 21 presses to be established at sealing flange 20 and quick-

witted case

1, 8 contact position of disc seal, sealing flange 20 is to central axis pipe 15 and quick-witted case 1, disc 8 carries out preliminary sealed processing, and under seal ring 21's cooperation, whole sealing performance has been consolidated, the relatively poor a large amount of residues of traditional quick-witted case 1 leakproofness have been avoided attaching to central axis pipe 15 and filter drum 19 junction and carry out the corrosion to central axis pipe 15 for a long time.

In this embodiment, specifically: the back washing component 4 comprises a spraying cavity 22, a plurality of groups of back washing nozzles 23, a waste material recovery box 24 with an opening at the top, a slag discharge pipe 25, a sealing cover plate 26, a sealing rubber pad 27 and a control part 28, wherein the spraying cavity 22 is erected at the top end in the case 1, the spraying cavity 22 is communicated with an external water source through a pipeline, the plurality of groups of back washing nozzles 23 are communicated and installed on the lower surface of the spraying cavity 22, the waste material recovery box 24 is installed above the sewage discharge area 17, two ends of the slag discharge pipe 25 are communicated with the waste material recovery box 24 and the sewage discharge area 17, the sealing rubber pad 27 is installed on the lower surface of the sealing cover plate 26, the sealing cover plate 26 is hermetically installed at the joint of the slag discharge pipe 25 and the sewage discharge area 17, the control part 28 is installed in the case 1, a high-pressure water source is conveyed to the surface of the external filter screen 10 through the back washing nozzles 23, impurities accumulated on the external filter screen 10 can be efficiently subjected to back impact, the rotation of the filter cylinder 19 is linked to realize the overall cleaning work of the external filter screen 10, then the sundries fall into the waste recovery box 24 for collection, and the slag discharge pipe 25 transfers the waste into the sewage discharge area 17 for discharge.

It can be understood that: the back washing nozzle 23 is specifically a stainless steel universal adjustable nozzle, the working angle of the back washing nozzle 23 can be adjusted, the back washing nozzle 23 and the spray cavity 22 are fixedly connected in a spiral detachable mode, subsequent maintenance and replacement are facilitated, a plug can be additionally sleeved outside the back washing nozzle 23, the back washing nozzle 23 can be plugged by the plug, the back washing nozzle 23 can be plugged and protected when not in use, and the service life of the back washing nozzle 23 is prolonged.

In this embodiment, specifically: the control part 28 comprises a timing switch controller 29 and a floating ball liquid level meter 30, the timing switch controller 29 is installed on the outer wall of the case 1, the floating ball liquid level meter 30 is installed on the lower surface of the central shaft tube 15, the timing switch controller 29 is connected with the spraying cavity 22 control unit and the floating ball liquid level meter 30 through wireless data, the timing switch controller 29 and the floating ball liquid level meter 30 are additionally arranged, so that the equipment can perform timing back washing and liquid level alarm back washing procedures, and the good filtering state of the filtering cylinder 19 is ensured.

It can be understood that: the model of the timing switch controller 29 is HHS 6D/M.

The working principle is that when the filter case is used, the case 1 and the external filter screen 10 are respectively made of acrylic materials and polyester materials, the overall corrosion resistance of the equipment is improved, the top cover 2 is sealed, the sealing state inside the case 1 is kept, the external sewage enters the central shaft tube 15 to be transmitted under the driving of an external water pump through the conveying assembly 5, the sewage is uniformly distributed and discharged through the uniformly arranged water distribution holes 16, the condition that the filtering precision is poor due to the accumulation of a large amount of sewage is avoided, in addition, under the matching of the sealing part 18, the sealing flange plate 20 performs primary sealing treatment on the central shaft tube 15, the case 1 and the disc 8, in addition, under the matching of the sealing washer 21, the overall sealing performance is strengthened, the problem that the central shaft tube 15 is corroded by a large amount of residues attached to the connecting part of the central shaft tube 15 and the filtering cylinder 19 for a long time due to poor sealing performance of the traditional case 1 is avoided, the equipment has the advantages that the operation condition of the equipment is influenced, the equipment is provided with the filtering component 3, the equipment adopts a detachable installation mode of an external filter screen 10 and a filtering cylinder 19, the subsequent maintenance is convenient, then the sewage is rapidly filtered through the external filter screen 10 on the filtering cylinder 19, the effective operation of the whole filtering work is ensured, the filtered water source passes through the filtering cylinder 19 and discharges clean water through a wall joint 11 to realize the filtering work, the driving gear 13 is linked to rotate under the driving of the driving motor 12, the filtering cylinder 19 rotates along with the rotation by utilizing the meshing transmission of the driving gear 13 and an outer gear ring 14, the whole purification efficiency is accelerated, the contact area between the external filter screen 10 and the water source is increased, the filtering precision is improved, the back washing component 4 is arranged, and after the equipment works for a certain period, an operator can manually operate the timing switch controller 29, the spraying cavity 22 is started to supply water, a high-pressure water source is conveyed to the surface of the external filter screen 10 through the back washing nozzle 23, sundries accumulated on the external filter screen 10 can be efficiently and reversely impacted, the filter cylinder 19 is linked to rotate to realize the overall cleaning work of the external filter screen 10, then the sundries drop into the waste recovery box 24 to be collected, the waste is transmitted to the sewage discharge area 17 by the slag discharge pipe 25 to be discharged, the back washing process of the filter cylinder 19 is realized, the whole operation is convenient and fast, the timing switch controller 29 and the floating ball liquid level meter 30 are additionally arranged, so that the equipment can perform the timing back washing and liquid level alarm back washing processes, the whole adaptability of the equipment is enhanced, the equipment is widely applied to different use environments, and the good filtering state of the filter cylinder 19 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel rotary drum type microfilter device is characterized in that, comprising a case (1) with an opening at the top, a top cover (2), a filter assembly (3), a backwash assembly (4) and a conveying assembly (5), The sealing cover of the top cover (2) is movably installed on the top of the open case (1), the filter assembly (3) is rotatably assembled in the case (1), and the backwash assembly (4) is installed in the case (1) The top and the output end face the filter assembly (3), and the conveying assembly (5) is passed through the middle of the case (1) and extends into the filter assembly (3);

The filter assembly (3) includes two groups of discs (8), multiple groups of reinforcing ribs (9), an external filter screen (10), a wall-connecting joint (11), a drive motor (12), and a drive gear (13) and the outer gear ring (14), the two sets of discs (8) are installed on both sides of the inner wall of the chassis (1) through the symmetrical rotation of the bearings, and the ends of the multiple sets of reinforcing ribs (9) are evenly distributed on the two sets of discs (8) At the edge of the inner wall, and some areas of the reinforcing ribs (9) are detachably installed and reserved corresponding to the backwash assembly (4), and two groups of discs (8) and multiple groups of reinforcing ribs (9) are spliced to form a filter cylinder (19), the outer filter screen (10) is sealed and wrapped around the outside of the filter cylinder (19), the wall joint (11) is sealed through the bottom end of the side wall of the case (1), and the drive motor (12) ) is mounted on the top of the inner wall of the case (1) through a bracket, the drive gear (13) is mounted on the output end of the drive motor (12), and the outer ring gear (14) is fixedly sleeved on the edge of one of the set of discs (8). at the position, and the driving gear (13) is in meshing transmission connection with the outer ring gear (14);

The conveying assembly (5) comprises a central axis pipe (15), a plurality of groups of water distribution holes (16), a sewage area (17) and a plurality of groups of sealing parts (18), and the central axis pipe (15) is sealed and passed through in sequence In the middle of the case (1) and the middle of the filter cylinder (19), multiple groups of sealing parts (18) are installed at the connection between the central axis pipe (15) and the case (1) and the filter cylinder (19). The holes (16) are evenly opened on the central shaft pipe (15), and the sewage area (17) is reserved on the inner side of the central shaft pipe (15);

The sealing portion (18) includes a sealing flange (20) and a sealing gasket (21). The sealing flange (20) and the central shaft tube (15) are installed in an interference combination. (21) Pressing and sealing is performed at the contact position of the sealing flange (20) with the chassis (1) and the disc (8).

2. The novel rotary drum type microfilter device according to claim 1, wherein the four corners of the lower surface of the case (1) are fitted with universal wheels (6), and the inner bottom of the case (1) is pressed. A grid plate pressing frame (7) is provided.

3. The novel rotary drum microfilter device according to claim 1, characterized in that: the case (1) is made of acrylic material as a whole, and the outer filter screen (10) is made of polyester material.

4. The novel rotary drum microfilter device according to claim 1, characterized in that: the backwash assembly (4) comprises a spray cavity (22), a plurality of groups of backwash spray heads (23), a A waste recycling box (24), a slag discharge pipe (25), a sealing cover plate (26), a sealing rubber gasket (27) and a control part (28), the spray chamber (22) is erected at the top of the inside of the chassis (1), And the spray cavity (22) is communicated with the external water source through pipes, a plurality of groups of the backwash spray heads (23) are connected and installed on the lower surface of the spray cavity (22), and the waste recovery box (24) is installed above the sewage area (17) The two ends of the slag discharge pipe (25) communicate with the waste recycling box (24) and the sewage discharge area (17). The sealing rubber gasket (27) is installed on the lower surface of the sealing cover (26), and the sealing (26) Sealing is installed at the junction of the slag discharge pipe (25) and the sewage discharge area (17), and the control part (28) is installed in the casing (1).

5. The novel rotary drum microfilter device according to claim 4, characterized in that: the control part (28) comprises a timing switch controller (29), a float level gauge (30), and the timing switch The controller (29) is installed on the outer wall of the chassis (1), the float level gauge (30) is installed on the lower surface of the central axis tube (15), and the timing switch controller (29) controls the spray chamber (22) The unit and the float level gauge (30) are connected by wireless data.