CN214634555U - Circulating rotary drum micro-filter - Google Patents

Abstract

The application relates to the field of filters, in particular to a circulating type rotary drum micro-filter. The sewage filter comprises a shell, a sewage inlet tank is connected to the shell, a filtering mechanism and a backwashing mechanism are arranged in the shell, the filtering mechanism comprises a filtering rotary drum which is rotatably connected with the shell, the interior of the filtering rotary drum is communicated with the sewage inlet tank, the backwashing mechanism comprises a spray head which is used for washing the filtering rotary drum and a sewage discharge groove which is used for containing sewage, the spray head and the sewage discharge groove are fixedly connected with the shell, the sewage discharge groove is located inside the filtering rotary drum, the spray head is located outside the filtering rotary drum, the sewage discharge groove is connected with a sewage discharge pipe, the sewage discharge pipe is communicated with the sewage inlet tank, a solid-liquid separation mechanism which is used for filtering impurities is arranged between the sewage discharge pipe and the sewage inlet tank, the solid-liquid separation mechanism comprises a separation barrel which is connected between the sewage discharge pipe and the sewage inlet tank, a separation component is arranged in the separation barrel, and the separation component comprises a filtering barrel which is arranged in the separation barrel. This application has the effect of water economy resource.

Description

Circulating rotary drum micro-filter

Technical Field

The application relates to the field of filters, in particular to a circulating type rotary drum micro-filter.

Background

The micro-filter is a purification device which is fixed on a rotary drum type filtering device by using a micro-porous screen and realizes solid-liquid separation by intercepting solid particles in a sewage body. When the micro-filter filters, the micro-porous screen can be cleaned in time by the rotation of the rotary drum and the acting force of the backwash water. The equipment is always kept in a good working state. The micro-filter purifies the water body by separating the solid waste in the sewage, thereby achieving the purpose of recycling.

A rotary drum microfilter is disclosed in the utility model patent with the publication number CN 212594374U. The rotary drum type micro-filter comprises a cover plate frame and a water inlet pipe arranged in the cover plate frame, wherein one end of the water inlet pipe is communicated with a sewage source, and the other end of the water inlet pipe is sealed. The rotary drum type filter also comprises a filter rotary drum, the filter rotary drum is arranged in the cover plate frame and is rotatably arranged on the water inlet pipe, and sewage flowing out of the water outlet hole is filtered by the filter rotary drum and then flows out. The rotary drum filter also comprises a backflushing device, and the backflushing device is used for backflushing and cleaning the filter rotary drum. The rotary drum type filter also comprises a pollution discharge device, wherein the pollution discharge device comprises a pollution discharge groove arranged inside the filter rotary drum and a pollution discharge pipe communicated with the pollution discharge groove, one end of the pollution discharge pipe is communicated with the bottom surface of the pollution discharge groove, and the other end of the pollution discharge pipe extends out of the filter rotary drum.

In view of the above-mentioned related technologies, the inventor believes that after the backflushing device flushes the filter drum, sewage is discharged from the drain pipe to the outside of the filter drum, which causes waste of partial water resources.

SUMMERY OF THE UTILITY MODEL

In order to the water economy resource, this application provides a circulating rotary drum microfilter.

The application provides a circulating rotary drum microfilter adopts following technical scheme:

a circulating drum micro-filter comprises a shell, a sewage inlet tank is connected to the shell, a filtering mechanism and a back flushing mechanism are arranged in the shell, the filtering mechanism comprises a filtering drum rotationally connected with the shell, the interior of the filtering drum is communicated with the sewage inlet tank, the back flushing mechanism comprises a spray head for washing the filtering drum and a sewage discharge groove for containing sewage, the spray head and the sewage discharge groove are fixedly connected with the shell, the sewage discharge groove is located inside the filtering drum, the spray head is located outside the filtering drum, the sewage discharge groove is connected with a sewage discharge pipe, the sewage discharge pipe is communicated with the sewage inlet tank, a solid-liquid separation mechanism for filtering impurities is arranged between the sewage discharge pipe and the sewage inlet tank, the solid-liquid separation mechanism comprises a separation barrel connected between the sewage discharge pipe and the sewage inlet tank, a separation component is arranged in the separation barrel, the separation assembly comprises a filter vat arranged in the separation vat.

Through adopting above-mentioned technical scheme, let in sewage and filter in the rotary drum, sewage flows through the stream and filters in the rotary drum inflow casing, realize the filtration to sewage, impurity in the sewage remains inside filtering the rotary drum, the drive filters the rotary drum and rotates, wash filtering the rotary drum through the shower nozzle, the sewage impurity that washes falls in the blowdown inslot, flow into the separation barrel through the blow off pipe, filter sewage by the filter vat, liquid after the prefilter is carried the rotary drum once more through sewage intake box and is filtered again, rotary drum micro filter's hydrologic cycle has been realized, water economy resource.

Optionally, be provided with the filtrating cavity and the muddy cavity of row that communicate each other in the separation barrel, blow off pipe and sewage intake case all communicate with the filtrating cavity, the filtrating cavity is used for placing the filter vat.

Through adopting above-mentioned technical scheme, during sewage in the sewage pipes entered into the filtrating cavity, because placed the filter vat in the filtrating cavity, the filter vat can be with the liquid and the solid impurity separation in the sewage, reaches the effect of sewage prefiltration.

Optionally, the separation assembly further comprises a rotating block rotatably connected with the separation barrel, and the rotating block is connected with the filter barrel.

Through adopting above-mentioned technical scheme, the drive turning block rotates for the filter vat rotates, and the filter vat can follow the motion of filtrating cavity to the muddy cavity of row in, emptys the solid impurity in the filter vat in the muddy cavity of row.

Optionally, a cleaning opening is formed in the side wall of the separation barrel, and a barrel door is hinged to the cleaning opening of the separation barrel.

Through adopting above-mentioned technical scheme, rotate the filter vat to the cavity of discharging turbid back, open the bucket door, can clean the filter vat.

Optionally, the turning block is connected with the filter vat rotation, one side rigid coupling that the turning block was kept away from to the filter vat has the sliding block, the groove of sliding has been seted up to separation barrel inner wall circumference, the groove of sliding communicates with the clearance mouth, the sliding block slides in the groove of sliding.

Through adopting above-mentioned technical scheme, when the sliding block was located the groove that slides, carry on spacingly to the filter vat for the filter vat can not take place to rotate, moves to clearance mouth department when the slider, and the drive slider rotates, can make the filter vat take place to overturn, and impurity in the filter vat falls into in the muddy cavity of row.

Optionally, a turbidity discharge port is formed in the bottom of the separation barrel and communicated with the turbidity discharge cavity, and a collection barrel is detachably connected below the turbidity discharge port of the separation barrel.

Through adopting above-mentioned technical scheme, the impurity that falls into row turbid cavity falls into the collecting vessel through arranging turbid mouthful, is convenient for to the subsequent processing of impurity.

Optionally, a plurality of filter barrels are arranged in the separation assembly, and the filter barrels are arranged in a rotational symmetry manner with respect to the center of the separation barrel.

Through adopting above-mentioned technical scheme, set up a plurality of filter barrels in the determine module for when empting impurity in a filter barrel, other filter barrels can filter the edulcoration to the liquid that the blow off pipe flowed into the filtrating cavity.

Optionally, the separation assemblies are provided in two groups, and the two groups of separation assemblies are arranged in the vertical direction.

Through adopting above-mentioned technical scheme, rotating the filter vat and carrying out the in-process that impurity was emptyd to the muddy cavity of row, because the filter vat is not located the filtrate cavity, solid-liquid separation mechanism can't filter the liquid that the blow off pipe let in. Through two separable set about setting, when carrying out impurity and empting to the filter vat in the separable set, the filter vat in another separable set can filter sewage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sewage is filtered by the matching of the filtering mechanism and the backwashing mechanism, the sewage flushed by the backwashing mechanism can be primarily filtered by the solid-liquid separation mechanism, and the liquid after primary filtering is conveyed into the rotary drum again through the sewage inlet tank for secondary filtering, so that the water circulation of the rotary drum micro-filter is realized, and the water resource is saved;

2. the separation assembly is driven to move, so that the filter barrel can be rotated to the turbid discharge cavity and can be turned over to dump impurities in the filter barrel;

3. by arranging the collecting barrel, the impurities falling into the impurity discharging cavity can fall into the collecting barrel through the impurity discharging port, so that the subsequent treatment of the impurities is facilitated;

4. the separation component is internally provided with a plurality of filter barrels, so that when impurities in one filter barrel are dumped, other filter barrels can filter and remove impurities from the liquid flowing into the filtrate cavity through the drain pipe;

5. through two separable set about setting, when carrying out impurity and empting to the filter vat in the separable set, the filter vat in another separable set can filter sewage.

Drawings

FIG. 1 is a sectional view of a circulating drum microfilter, which is mainly used for embodying the internal structure of the circulating drum microfilter.

FIG. 2 is a structural section view of another section of the circulating drum micro-filter, which is mainly used for embodying the structure of a filtering mechanism and a backwashing mechanism.

FIG. 3 is a schematic structural view of a solid-liquid separation mechanism.

FIG. 4 is a sectional view of the solid-liquid separation mechanism.

Description of reference numerals: 1. a housing; 11. a sewage inlet tank; 12. a purified water outlet pipe; 2. a filtering mechanism; 21. a drive motor; 22. a drive gear set; 221. a driving gear; 222. a driven gear; 23. filtering the rotary drum; 3. a backwashing mechanism; 31. a water pump; 32. a water pipe; 33. a spray head; 34. a sewage draining groove; 35. a blow-off pipe; 4. a solid-liquid separation mechanism; 41. a separation barrel; 410. a partition plate; 4101. an avoidance groove; 411. a filtrate cavity; 412. a turbid discharging cavity; 413. cleaning the opening; 414. a sliding groove; 415. a turbidity discharge port; 42. a separation assembly; 421. rotating the motor; 422. rotating the block; 423. a connecting shaft; 424. a filter vat; 425. a sliding block; 43. a barrel door; 44. and (4) a collecting barrel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a circulating rotary drum micro-filter.

Referring to fig. 1, the circulating drum micro-filter includes a housing 1, one side of the housing 1 is fixedly connected with a sewage inlet tank 11, and the other side is communicated with a purified water outlet pipe 12. The circulating drum microfilter also comprises a filtering mechanism 2, a back washing mechanism 3 and a solid-liquid separation mechanism 4.

Referring to fig. 1 and 2, the filtering mechanism 2 includes a driving motor 21 fixedly connected to the outer side of the housing 1, an output shaft of the driving motor 21 is horizontally disposed, a transmission gear set 22 is connected to the housing 1, and the output shaft of the driving motor 21 penetrates through the housing 1 and is connected to the transmission gear set 22. The transmission gear set 22 includes a driving gear 221 and a driven gear 222 rotatably connected to the housing 1, the driving gear 221 is coaxially and fixedly connected to an output shaft of the driving motor 21, the driven gear 222 is engaged with the driving gear 221, the driven gear 222 is coaxially and fixedly connected to the filter drum 23, and the filter drum 23 is rotatably connected to the housing 1. The sewage inlet tank 11 is communicated with the inside of the filter drum 23 through a connecting pipe.

Carry sewage to filter in the rotary drum 23 through sewage case 11, make driving motor 21's output shaft rotate, driving gear 221 and driven gear 222 rotate, drive and filter the rotary drum 23 and rotate, filter the rotary drum 23 and filter its inside sewage, the impurity in the sewage remains inside filtering the rotary drum 23, and the liquid after the filtration falls to casing 1 bottom, carries to other equipment through water purification outlet pipe 12.

Referring to fig. 2, the backwashing mechanism 3 includes a water pump 31 fixedly connected to the outer side of the casing 1, a water inlet of the water pump 31 is communicated with the inside of the casing 1, a water outlet of the water pump 31 is connected with a water pipe 32, the water pipe 32 penetrates through the casing 1 and extends into the inside of the casing 1, and a pipe section of the water pipe 32 extending into the inside of the casing 1 is connected with a plurality of nozzles 33. The inside of the filter drum 23 is connected with a sewage discharge groove 34, the sewage discharge groove 34 is fixedly connected with the connecting pipe, and the opening of the sewage discharge groove 34 is arranged corresponding to the spray head 33. One end of the sewage discharging groove 34 close to the sewage inlet tank 11 is connected with a sewage discharging pipe 35.

The water pump 31 is driven to operate, so that the nozzle 33 sprays the rotating filter drum 23, and impurities on the filter drum 23 fall into the sewage discharge groove 34 and are discharged through the sewage discharge pipe 35.

Referring to fig. 2, the solid-liquid separation mechanism 4 is disposed between the sewage drain pipe 35 and the sewage inlet tank 11.

Referring to fig. 3 and 4, the solid-liquid separation mechanism 4 includes a separation tub 41 fixed to the casing 1. A partition plate 410 is fixed in the separation tub 41, and the partition plate 410 divides the interior of the separation tub 41 into a filtrate cavity 411 and a turbidity discharge cavity 412. Referring to fig. 2, the sewage draining pipe 35 and the sewage inlet tank 11 are both communicated with the filtrate cavity 411. Two sets of separating assemblies 42 for filtering liquid are arranged in the separating barrel 41, and the two sets of separating assemblies 42 are arranged along the vertical direction.

Sewage in the sewage discharge pipe 35 enters the filtrate cavity 411, the sewage is filtered by the upper and lower separating assemblies 42, and the filtered liquid enters the sewage inlet tank 11.

Referring to fig. 3 and 4, a cleaning port 413 is formed in the side wall of the separation barrel 41, the cleaning port 413 is communicated with the turbid discharge cavity 412, and a barrel door 43 is hinged to the separation barrel 41 at the cleaning port 413. The separating assembly 42 comprises a rotating motor 421 coaxially fixedly connected with the separating barrel 41, an output shaft of the rotating motor 421 is vertically arranged, the separating assembly 42 further comprises a rotating block 422 rotatably connected inside the separating barrel 41, and the rotating block 422 is coaxially fixedly connected with the output shaft of the rotating motor 421. The rotary block 422 is rotatably connected with a filter barrel 424 through a connecting shaft 423 arranged horizontally, the bottom of the filter barrel 424 is provided with a plurality of filter holes, and the filter barrel 424 is used for separating solid impurities in the sewage.

Referring to fig. 3 and 4, a sliding block 425 is fixedly connected to one side of the filter barrel 424, which is far away from the rotating block 422, a sliding groove 414 corresponding to the sliding block 425 is circumferentially formed in the inner side wall of the separation barrel 41, the sliding groove 414 is communicated with the cleaning port 413, and the sliding block 425 slides in the sliding groove 414. In the present embodiment, two filter barrels 424 are provided in each set of separation assemblies 42, and the two filter barrels 424 are provided in rotational symmetry about the center of the separation barrel 41. An escape groove 4101 for escaping the filter barrel 424 is opened in the partition plate 410.

Referring to fig. 3 and 4, a turbidity discharge port 415 is formed at the bottom of the separation barrel 41, the turbidity discharge port 415 is communicated with the turbidity discharge cavity 412, the collection barrel 44 is fixed at the bottom of the separation barrel 41 in a clamping manner, and the opening of the collection barrel 44 corresponds to the turbidity discharge port 415.

In the normal state, two filter barrels 424 in one separation assembly 42 are located, one in the filtrate cavity 411 and the other in the drainage cavity 412. The rotating motor 421 in one of the separating assemblies 42 is driven to rotate, so that the filter barrel 424 rotates, the filter barrel 424 in the filtrate cavity 411 rotates into the turbidity discharge cavity 412 through the avoiding groove 4101, and correspondingly, the filter barrel 424 in the turbidity discharge cavity 412 rotates into the filtrate cavity 411. During the rotation process, the filter barrels 424 cannot be overturned because the sliding blocks 425 of the two filter barrels 424 are positioned in the sliding grooves 414. When the sliding block 425 of the filtering barrel 424 in the dirt discharge cavity 412 moves to the cleaning opening 413, the worker opens the barrel door 43 and rotates the sliding block 425, so that the filtering barrel 424 is turned over, and the solid impurities contained in the filtering barrel 424 fall into the collecting barrel 44 from the dirt discharge opening 415.

The implementation principle of the circulating drum micro-filter in the embodiment of the application is as follows: carry sewage to filter in the rotary drum 23 through sewage inlet tank 11, make driving motor 21's output shaft rotate, drive through drive gear group 22 and filter rotary drum 23 and rotate, filter rotary drum 23 and filter its inside sewage, impurity in the sewage remains inside filtering rotary drum 23, and the liquid after the filtration falls to casing 1 bottom, carries to other equipment through water purification outlet pipe 12. The operation of the driving water pump 31 enables the spray head 33 to spray and wash the rotating filter drum 23, impurities on the filter drum 23 fall into the sewage discharge groove 34, flow into the solid-liquid separation mechanism 4 through the sewage discharge pipe 35, the solid impurities in the sewage are separated through the filter barrel 424, the solid impurities are remained in the filter barrel 424, and the filtered liquid flows into the sewage inlet tank 11. When the impurities in the filter barrel 424 need to be cleaned, the output shaft of the rotating motor 421 in one separating assembly 42 is driven to rotate, the separating assembly 42 is driven to move, and in the moving process, the other separating assembly 42 can continue to filter the sewage. When the two filter barrels 424 in the same separation assembly 42 are exchanged, the rotating motor 421 stops operating, the worker opens the barrel door 43, rotates the filter barrel 424 in the turbidity discharging cavity 412, pours out the solid impurities in the filter barrel 424, and the solid impurities fall into the collection barrel 44.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A circulating drum microfilter comprises a shell (1), a sewage inlet tank (11) is connected on the shell (1), a filtering mechanism (2) and a back washing mechanism (3) are arranged in the shell (1), the filtering mechanism (2) comprises a filtering rotary drum (23) which is rotationally connected with the shell (1), the interior of the filter rotary drum (23) is communicated with a sewage inlet tank (11), the back washing mechanism (3) comprises a spray head (33) for washing the filter rotary drum (23) and a sewage discharge groove (34) for containing sewage, the spray head (33) and the sewage discharge groove (34) are both fixedly connected with the shell (1), the sewage discharge groove (34) is positioned inside the filter rotary drum (23), the spray head (33) is positioned outside the filter rotary drum (23), blowdown groove (34) are connected with blow off pipe (35), its characterized in that: the sewage discharging pipe (35) is communicated with the sewage inlet tank (11), a solid-liquid separation mechanism (4) used for filtering impurities is arranged between the sewage discharging pipe (35) and the sewage inlet tank (11), the solid-liquid separation mechanism (4) comprises a separation barrel (41) connected between the sewage discharging pipe (35) and the sewage inlet tank (11), a separation component (42) is arranged in the separation barrel (41), and the separation component (42) comprises a filter barrel (424) arranged in the separation barrel (41).

2. A circulating drum microfilter according to claim 1, wherein: be provided with filtrate cavity (411) and row turbid cavity (412) that communicate each other in separation bucket (41), blow off pipe (35) all communicate with filtrate cavity (411) with sewage intake box (11), filtrate cavity (411) are used for placing filter vat (424).

3. A circulating drum microfilter according to claim 2, wherein: the separation assembly (42) further comprises a rotating block (422) which is rotatably connected with the separation barrel (41), and the rotating block (422) is connected with the filter barrel (424).

4. A circulating drum microfilter according to claim 3, wherein: the side wall of the separation barrel (41) is provided with a cleaning opening (413), and the separation barrel (41) is hinged with a barrel door (43) at the cleaning opening (413).

5. The circulating drum microfilter of claim 4, wherein: the rotating block (422) is rotationally connected with the filtering barrel (424), one side rigid coupling that the rotating block (422) was kept away from in the filtering barrel (424) has a sliding block (425), sliding groove (414) have been seted up to separation bucket (41) inner wall circumference, sliding groove (414) and clearance mouth (413) intercommunication, sliding block (425) slide in sliding groove (414).

6. The circulating drum microfilter of claim 5, wherein: a turbidity discharge port (415) is formed in the bottom of the separation barrel (41), the turbidity discharge port (415) is communicated with the turbidity discharge cavity (412), and a collection barrel (44) is detachably connected below the turbidity discharge port (415) of the separation barrel (41).

7. A circulating drum microfilter according to claim 1, wherein: the filter barrels (424) in the separation assembly (42) are arranged in a plurality, and the filter barrels (424) are arranged in a rotation symmetry mode around the center of the separation barrel (41).

8. A circulating drum microfilter according to claim 1, wherein: the separating assemblies (42) are provided with two groups, and the two groups of separating assemblies (42) are arranged along the vertical direction.

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