CN212881353U

CN212881353U - Filter drum and rotary drum filter

Info

Publication number: CN212881353U
Application number: CN202021230507.3U
Authority: CN
Inventors: 陈志鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-06
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a filter drum and rotary drum filter. The filter drum comprises a hollow drum body, the first end of the drum body is an open end, the center of the opening of the first end of the drum body is located on the axis of the drum body, the second end of the drum body is a closed end, filter pieces are arranged on the peripheral side of the drum body, at least three rollers are arranged on the periphery of the opening of the first end of the drum body in a rotating mode, the at least three rollers are distributed on the first end of the drum body around the axis of the drum body, and the periphery of the drum body is intersected with the opening edge of the first end of the drum body. The rotary drum filter comprises a shell, the filtering roller and a driving assembly, wherein a water inlet communicated with an opening of the first end of the barrel is formed in the first end of the shell, an annular supporting piece is arranged on the periphery of the water inlet of the shell, the supporting piece is inserted into the opening of the first end of the barrel, the peripheral side face of each roller is abutted to the peripheral side face of the supporting piece, the second end of the barrel is rotatably arranged at the second end of the shell, and the driving assembly is used for driving the filtering roller to rotate.

Description

Filter drum and rotary drum filter

Technical Field

The utility model relates to a water treatment field especially relates to a filter drum and a rotary drum filter who has this filter drum.

Background

At present, in the ornamental fish pond in the current stage, the filtration and the reuse of the sewage in the fish pond are still in the primary stage, most of the sewage in the fish pond is directly discharged, and a small part of the sewage in the ornamental fish pond is discharged after simple treatment (such as sand filtration and sedimentation tank). Among them, the full-automatic filtering roller filter is a device capable of effectively filtering sewage, and specifically, see chinese patent nos. CN209451443U and CN 205182323U. The applicant also designed a filter for treating fish pond sewage.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a filtering roller and a rotary drum filter that has this filtering roller, it can purify fish pond sewage effectively.

The utility model provides a filter drum, its barrel that includes the cavity setting, the first end of barrel is the open end, the open-ended center of the first end of barrel is in on the axis of barrel, the second end of barrel is the closed end, week side of barrel is provided with and filters piece the periphery of the opening part of the first end of barrel is rotated and is provided with at least three gyro wheel, at least three gyro wheel round the axis of barrel distributes on the first end of barrel, the periphery of cylinder with the opening limit of the first end of barrel is crossing.

Compared with the prior art, filter cylinder utilize the filter screen to filter the impurity in the fish pond sewage. And the filtering roller passes through at least three rollers to support the filtering roller in the drum filter, and the rotation of the rollers is utilized to realize the rotation of the filtering roller in the drum filter. In addition, the roller is arranged on the cylinder body, so that the assembly and the maintenance of the filtering roller are convenient.

Furthermore, scrapers are arranged on the peripheral side wall of the inner cavity of the cylinder body.

Further, a through hole is formed in the scraper.

Further, the scraper blade includes connecting portion, first extension, second extension, connecting portion set up on the peripheral side wall of barrel inner chamber, first extension from on the connecting portion to the direction of keeping away from the connecting portion extends, the second extension from on the first extension to the direction of keeping away from the first extension extend, first extension with the second extension forms a hook.

Further, the extending direction of the first extending part points to the inner cavity of the cylinder body.

Further, the extending direction of the second extending part is the same as the rotating direction of the filter drum.

Further, the connecting portion and the second extending portion are located on the same side of the first extending portion.

Further, an annular sealing element is arranged in the opening of the first end of the cylinder, and the inner edge of the sealing element does not intersect with the outer periphery of the roller.

Further, the second end of barrel is provided with the pivot, the axis of pivot with the axis of barrel is located the collinear.

The utility model provides a rotary drum filter, its includes shell, foretell filter drum, drive assembly, the first end of shell be equipped with the water inlet that the opening of the first end of barrel is linked together the periphery of the water inlet of shell is provided with annular support piece, support piece inserts the opening of the first end of barrel, just the week side of gyro wheel with support piece's week side offsets, the second end of barrel rotate set up in the second end of shell, drive assembly is used for the drive filter drum rotates.

Compared with the prior art, rotary drum filter utilize foretell filter cylinder to realize the purification of fish pond sewage. And the filtering roller passes through at least three rollers to support the filtering roller in the drum filter, and the rotation of the rollers is utilized to realize the rotation of the filtering roller in the drum filter. In addition, the roller is arranged on the cylinder body, so that the assembly and the maintenance of the filtering roller are convenient.

Furthermore, the drum filter further comprises a collecting tank and a spraying pipe, wherein the collecting tank is fixed on the shell, the collecting tank extends into the inner cavity of the cylinder, the spraying pipe is fixed on the shell, the spraying pipe is positioned on the outer peripheral side of the cylinder, the spraying pipe is positioned above the collecting tank, and a spraying nozzle with a spraying range including the second end of the collecting tank is arranged on the spraying pipe.

Further, the collecting tank comprises a connecting piece, wherein the connecting piece is arranged in the inner cavity of the cylinder body, the first end of the connecting piece is fixed on the shell, and the second end of the connecting piece is fixed on the collecting tank.

Furthermore, the first end of the collecting tank extends into the inner cavity of the barrel, the second end of the collecting tank penetrates through the end face of the first end of the shell, and a drain outlet is formed in the second end of the collecting tank.

Further, the drain outlet is arranged at the bottom of the collecting tank.

Furthermore, the driving assembly comprises a motor, a driving wheel, a driven wheel and a transmission part, the motor is installed in the shell, the driving wheel is fixedly connected with an output shaft of the motor, and the driving wheel is in transmission connection with the driven wheel through the transmission part.

Further, the driving wheel is a chain wheel.

Further, the driven wheel is a chain wheel.

Further, the transmission piece is a chain.

Furthermore, a water outlet is formed in the shell, and a cavity between the shell and the cylinder is communicated with the water outlet.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a filter drum according to an embodiment;

FIG. 2 is a schematic end view of a first end of a filter drum according to an embodiment;

FIG. 3 is a schematic structural view of a squeegee according to an embodiment;

FIG. 4 is a schematic structural diagram of a drum filter according to an embodiment;

reference numerals:

100. a housing; 110. a support member; 200. a filter drum; 210. a barrel; 211. an open end; 212. a closed end; 220. a roller; 230. a rotating shaft; 240. a squeegee; 241. a connecting portion; 242. a first extension portion; 243. a second extension portion; 250. a seal member; 300. a drive assembly; 310. a motor; 320. a driving wheel; 330. a driven wheel; 400. collecting tank; 410. a sewage draining outlet; 500. a shower pipe; 600. a connecting member.

Detailed Description

A filter drum 200, see fig. 1-3, comprises a hollow arranged cylinder 210. The first end of the barrel 210 is an open end 211, the opening of the first end of the barrel 210 is centered on the axis of the barrel 210, and the second end of the barrel 210 is a closed end 212. A filter member (not shown) is disposed around the cylindrical body 210. At least three rollers 220 are rotatably disposed at the periphery of the opening of the first end of the cylinder 210, the at least three rollers 220 are distributed on the first end of the cylinder 210 around the axis of the cylinder 210, and the outer periphery of the rollers intersects with the opening edge of the first end of the cylinder 210. A rotating shaft 230 is arranged at the second end of the cylinder 210, the axis of the rotating shaft 230 is aligned with the axis of the cylinder 210, and the rotating shaft 230 is used for being rotatably arranged on the drum filter.

Referring to fig. 1 to 3, in order to clean the garbage settled at the bottom of the inner cavity of the drum filter, scrapers 240 are provided on the circumferential side wall of the inner cavity of the cylinder 210. During the rotation of the filter drum 200, the scraper 240 can continuously scrape the deposited garbage up and take the garbage into the collection tank 400 of the drum filter by the gravity of the garbage or by the impact of water.

Referring to fig. 1 to 3, the scraper 240 includes a connecting portion 241, a first extending portion 242, and a second extending portion 243. The connecting portion 241 is fixedly mounted on the circumferential side wall of the inner cavity of the cylinder 210 by bolts. A first end of the first extending portion 242 is disposed on the connecting portion 241, and a second end of the first extending portion 242 extends away from the connecting portion 241. A first end of the second extension portion 243 is disposed on the first extension portion 242, and a second end of the second extension portion 243 extends away from the first extension portion 242. The first extension 242 and the second extension 243 form a hook member, and the garbage is scraped up by the hook member. In addition, the extending direction of the first extending portion 242 points to the inner cavity of the cylinder 210, the extending direction of the second extending portion 243 is the same as the rotating direction of the filter drum 200, and through holes are formed on both the first extending portion 242 and the second extending portion 243. In the present embodiment, the connecting portion 241 and the second extending portion 243 are located on the same side of the first extending portion 242.

Referring to fig. 1 to 3, in order to prevent the contaminated water from directly flowing into the cavity of the drum filter from the opening of the cylinder 210, an annular seal 250 is provided in the opening of the first end of the cylinder 210, and the inner edge of the seal 250 does not intersect with the outer periphery of the roller 220.

A drum filter, see fig. 1 to 4, which comprises a housing 100, the above-mentioned filtering drum 200, a driving assembly 300, a collecting tank 400, and a shower pipe 500. The first end of the housing 100 is provided with a water inlet communicated with the opening of the first end of the cylinder 210. An annular support member 110 is disposed around the water inlet of the casing 100, the outer diameter of the support member 110 is smaller than the inner diameter of the opening of the first end of the cylinder 210, the outer diameter of the support member 110 is larger than the inner diameter of the sealing member 250, the support member 110 is inserted into the opening of the first end of the cylinder 210 during the assembly of the filter drum 200 and the casing 100, at this time, the sealing member 250 abuts against the circumferential side surface of the support member 110, and the circumferential side surface of the roller 220 abuts against the circumferential side surface of the support member 110. A water outlet is arranged on the casing 100, and a cavity between the casing 100 and the cylinder 210 is communicated with the water outlet, which is arranged on the end surface of the second end of the casing 100 in the embodiment. The second end of the cylinder 210 is rotatably disposed at the second end of the housing 100. The driving assembly 300 is used for driving the filter drum 200 to rotate. The collection tank 400 is fixed to the housing 100, and the collection tank 400 extends into the inner cavity of the barrel 210. The spray pipe 500 is fixed on the housing 100, the spray pipe 500 is located at the outer periphery of the cylinder 210, the spray pipe 500 is located above the collecting tank 400, and the spray pipe 500 is provided with a nozzle (not shown) having a spray range including the second end of the collecting tank 400.

Referring to fig. 1 to 4, in order to fix the collecting tank 400 and facilitate the drainage of the collecting tank 400, the drum filter further includes a connector 600, the connector 600 is disposed in the inner cavity of the cylinder 210, a first end of the connector 600 is fixed to a first end of the housing 100 by bolts, and a second end of the connector 600 is fixed to the bottom of the collecting tank 400 by bolts. Moreover, a first end of the collecting tank 400 extends into the inner cavity of the barrel 210, a second end of the collecting tank 400 passes through the end face of the first end of the housing 100, and a drain 410 is provided at the second end of the collecting tank 400, in this embodiment, the drain 410 is provided at the bottom of the collecting tank 400.

Referring to fig. 1 to 4, the driving assembly 300 includes a motor 310, a driving wheel 320, a driven wheel 330, and a transmission member (not shown). The motor 310 is installed in the housing 100, the driving wheel 320 is fixedly connected with an output shaft of the motor 310, and the driving wheel 320 is in transmission connection with the driven wheel 330 through a transmission member. In this embodiment, the driving wheel 320 is a sprocket, the driven wheel 330 is a sprocket, and the transmission member is a chain.

The working process of water purification: firstly, sewage enters the barrel 210 from the water inlet of the shell 100; then, sewage flows into a cavity between the shell 100 and the barrel body from the inner cavity of the barrel body 210 through the filter element, and the sewage is filtered by the filter element; finally, the filtered water flows out from the water outlet of the housing 100.

Working process of cleaning the filter drum 200: the driving assembly 300 drives the cylinder 210 to rotate, and meanwhile, the nozzle sprays water, and the garbage on the filtering piece falls into the collecting groove 400 under the action of gravity or water impact; in addition, during the rotation of the cylinder 210, the scraper 240 scrapes the garbage at the bottom of the housing 100 to a position right above the collecting tank 400, and the garbage at the bottom of the housing 100 falls into the collecting tank 400 by using the gravity of the garbage at the bottom of the housing 100 or under the action of water impact; finally, the waste in the collection tank 400 is flushed towards the first end of the collection tank 400 and out of the waste discharge outlet 410 by means of water sprayed from a nozzle located at the second end of the collection tank 400.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A filter drum (200), characterized in that:

the filter comprises a hollow cylinder body (210), the first end of the cylinder body (210) is an open end (211), the center of the opening of the first end of the cylinder body (210) is on the axis of the cylinder body (210), the second end of the cylinder body (210) is a closed end (212), a filter element is arranged on the peripheral side of the cylinder body (210),

at least three rollers (220) are rotatably arranged at the periphery of the opening of the first end of the cylinder body (210), the at least three rollers (220) are distributed on the first end of the cylinder body (210) around the axis of the cylinder body (210), and the outer periphery of the roller is intersected with the opening edge of the first end of the cylinder body (210).

2. The filter drum (200) according to claim 1, wherein: and scraping plates (240) are arranged on the peripheral side wall of the inner cavity of the cylinder body (210).

3. The filter drum (200) according to claim 2, wherein: the scraper (240) is provided with a through hole.

4. The filter drum (200) according to claim 2, wherein: the scraper (240) comprises a connecting part (241), a first extending part (242) and a second extending part (243), wherein the connecting part (241) is arranged on the peripheral side wall of the inner cavity of the cylinder body (210), the first extending part (242) extends from the connecting part (241) to the direction far away from the connecting part (241), the second extending part (243) extends from the first extending part (242) to the direction far away from the first extending part (242), and the first extending part (242) and the second extending part (243) form a hook.

5. The filter drum (200) according to claim 4, wherein:

the extending direction of the first extending part (242) points to the inner cavity of the cylinder body (210);

the extending direction of the second extending part (243) is the same as the rotating direction of the filtering roller (200);

the connecting portion (241) and the second extension portion (243) are located on the same side of the first extension portion (242).

6. The filter drum (200) according to claim 1, wherein: an annular sealing piece (250) is arranged in the opening of the first end of the cylinder body (210), and the inner edge of the sealing piece (250) does not intersect with the outer periphery of the roller (220).

7. The filter drum (200) according to claim 1, wherein: the second end of barrel (210) is provided with pivot (230), the axis of pivot (230) and the axis of barrel (210) are located the collinear.

8. A rotary drum filter characterized by: the filter drum comprises a shell (100), the filter drum (200) as claimed in any one of claims 1 to 7, and a driving assembly (300), wherein a water inlet communicated with the opening of the first end of the drum body (210) is formed in the first end of the shell (100), an annular supporting member (110) is arranged on the periphery of the water inlet of the shell (100), the supporting member (110) is inserted into the opening of the first end of the drum body (210), the peripheral side surface of the roller (220) is abutted against the peripheral side surface of the supporting member (110), the second end of the drum body (210) is rotatably arranged at the second end of the shell (100), and the driving assembly (300) is used for driving the filter drum (200) to rotate.

9. A drum filter as claimed in claim 8, wherein: the drum filter further comprises a collecting tank (400) and a spraying pipe (500), wherein the collecting tank (400) is fixed on the shell (100), the collecting tank (400) extends into the inner cavity of the cylinder body (210), the spraying pipe (500) is fixed on the shell (100), the spraying pipe (500) is located on the outer peripheral side of the cylinder body (210), the spraying pipe (500) is located above the collecting tank (400), and a spraying range which comprises a nozzle at the second end of the collecting tank (400) is arranged on the spraying pipe (500).

10. A drum filter as claimed in claim 9, wherein:

the collecting tank is characterized by further comprising a connecting piece (600), wherein the connecting piece (600) is arranged in the inner cavity of the cylinder body (210), the first end of the connecting piece (600) is fixed on the shell (100), and the second end of the connecting piece (600) is fixed on the collecting tank (400);

a first end of the collecting tank (400) extends into the inner cavity of the cylinder body (210), a second end of the collecting tank (400) penetrates through the end face of the first end of the shell (100), and a sewage draining outlet (410) is formed in the second end of the collecting tank (400);

the sewage draining outlet (410) is arranged at the bottom of the collecting tank (400);

the driving assembly (300) comprises a motor (310), a driving wheel (320), a driven wheel (330) and a transmission part, wherein the motor (310) is installed in the shell (100), the driving wheel (320) is fixedly connected with an output shaft of the motor (310), and the driving wheel (320) is in transmission connection with the driven wheel (330) through the transmission part;

the driving wheel (320) is a chain wheel;

the driven wheel (330) is a chain wheel;

the transmission part is a chain;

a water outlet is formed in the shell (100), and a cavity between the shell (100) and the cylinder body (210) is communicated with the water outlet.