CN218011483U

CN218011483U - Drum-type water quality filtering device

Info

Publication number: CN218011483U
Application number: CN202221467938.0U
Authority: CN
Inventors: 杨长军
Original assignee: Nanchong Yingyu Aquatic Technology Co ltd
Current assignee: Nanchong Yingyu Aquatic Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-12-13
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a drum-type water filtering device, the drainage inlet tube is fixed in the support left side, there is the space from filter screen cylinder left end opening part, both ends are fixed with roller bracket respectively about in the filter screen cylinder, the filter screen cylinder right-hand member outside is fixed with the closing plate, filter screen cylinder left end inward flange is equipped with the breakwater, roller bracket center fixedly connected with bearing respectively, the bearing cup joints respectively on the fixed pipe in center, back flush collection dirt groove is established at the filter screen cylinder inboard, connecting pipe through the left and right sides is fixed on the fixed pipe in center, be fixed with cylinder driven gear in the closing plate outside, variable speed motor fixes in the support outside, variable speed motor drive gear passes through gear and cylinder driven gear and is connected, high pressure water pump fixes outside the support, high pressure water pipe fixes at the support inboard, be located back flush collection dirt groove top, be fixed with the back flush shower nozzle on the high pressure water pipe. The utility model discloses can collect the filth that is greater than the filter equipment mesh, clean water then recycles through the filter screen discharge.

Description

Drum-type water quality filtering device

Technical Field

The utility model relates to a water quality filter especially relates to a filterable drum-type water quality filter equipment of large-traffic aquatic particulate matter.

Background

Water filtration devices are involved in water treatment, and particularly, the filtration of particles in large-flow water treatment is very important, so that the quality and the using effect of water quality are directly influenced.

At present, various filtering devices are diversified, and the most used filtering devices are drum-type filtering machines, but when the drum-type filtering machine is used, the filtering effect is influenced by too large meshes, the filtering effect is easy to block due to too small meshes, and if the filtering screen cannot be filtered once in the using process, the water level rises. Moreover, a large amount of water needing to be filtered enters the roller of the filter, and when the weight of the water exceeds the bearing capacity of the filter and the filter screen, the filter and the filter screen are crushed frequently, so that equipment is damaged, the treatment effect of the water is directly influenced, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a drum-type water filtering device which has reasonable structure, convenient use and high dirt collection rate and is not easy to block.

The utility model discloses a realize through following technical scheme: a drum-type water filtration device comprising: the sewage filter comprises a support, a filter screen roller, connecting pipes, a water baffle, a central fixing pipe, a roller driven gear, a variable speed motor transmission gear, a backwashing sewage collecting tank, a high pressure water pipe, a backwashing spray head, a high pressure water pump, bearings, a filtered water inlet pipe, a roller support and a sealing plate.

The density of the filter screen roller is 50-500 meshes.

The gap between the filtered water inlet pipe and the left side of the filter screen roller is 2-5 cm, and the distance between the filtered water inlet pipe and the central fixed pipe is 10-30 cm.

The connecting pipe is in a funnel shape with a wide upper part and a narrow lower part.

The height of the water baffle is 1/3-1/4 of the radius of the roller filter screen, the water level is at the position of a normal water level line under the normal operation condition, when the filter screen of the roller filter screen is blocked, the water level rises to exceed the height of the water baffle, when the water level reaches a high water level line, the water amount exceeding the high water level line part overflows from a gap on the water baffle, and the overflowed sewage enters another standby filtering system.

The number of the back washing spray heads is 5-50, and the back washing spray heads are uniformly distributed on the high-pressure water pipe according to the length of the filter screen roller.

The angle between the back-flushing sewage collecting tank and the horizontal upward direction is 20-45 degrees, and the length of the back-flushing sewage collecting tank is 5-10 cm smaller than that of the filter screen roller.

The high-pressure water pipe is positioned between the drum filter screen and the bracket and is 5-20 cm higher than the back-flushing sewage collecting tank.

The distance between the nozzle of the back washing spray head and the outer net of the filter screen roller is 2-6 cm.

The utility model drives the transmission gear of the variable speed motor to rotate through the variable speed motor, and the transmission gear of the variable speed motor is connected with the driven gear of the roller through the gear, thereby driving the filter screen roller to rotate simultaneously; water to be filtered enters from the filtered water inlet pipe, clean water flows into the bottom of the support through the filter screen roller and is recycled or subjected to lower-level treatment; dirt and impurities needing to be filtered are intercepted on the inner wall of the filter screen roller, when the filter screen roller rotates to the back flush dirt collecting groove, the dirt on the filter screen is flushed into the back flush dirt collecting groove by the back flush nozzle, enters the central fixing pipe through the connecting pipe, is discharged and collected.

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses can block at any time and cut, collect the filth that is greater than the filter equipment mesh, clean water then passes through the filter screen discharge, recycles, and pollution abatement improves comprehensive benefits.

2. The utility model discloses because back flush dirt collecting groove is located the ascending 20-45 degrees angular position of level, has changed traditional drum-type filter and has set for the position at top 90 degrees, has avoided the cylinder to rotate the top, blocks on the filter screen that the filth of cutting falls into the aquatic once more, causes secondary pollution.

3. The utility model discloses can not be like traditional drum-type filter because of the filter screen blocking, and damage equipment increases use cost.

4. The utility model discloses the filth collection rate is high, and the treatment effect is good, convenient to use.

Drawings

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

fig. 2 is a left side view of the present invention.

Detailed Description

As shown in fig. 1 and 2, a drum type water filtering apparatus includes: the filter screen drum type sewage treatment device comprises a support 1, a filter screen drum 2, a connecting pipe 3, a water baffle 4, a central fixing pipe 5, a drum driven gear 6, a variable speed motor 7, a variable speed motor transmission gear 8, a backwashing sewage collection tank 9, a high pressure water pipe 10, a backwashing spray head 11, a high pressure water pump 12, a bearing 13, a filtered water inlet pipe 14, a drum support 15 and a sealing plate 16, wherein the support 1 is horizontal and cuboid, the filter screen drum 2 is fixed in the support 1, a filter screen is fixed on the surface of the filter screen drum 2 in a circle, the water inlet pipe 14 is fixed on the left side of the support 1, a gap is formed between the water inlet pipe and the left end opening of the filter screen drum 2, the drum support 15 is fixed at the left and right ends respectively, the sealing plate 16 is fixed on the outer side of the right end of the filter screen drum 2, the water baffle 4 is arranged on the inner edge of the left end of the filter screen drum 2 to prevent filtered water in the filter screen drum from overflowing, the central fixing pipe 5 is fixed on the left and right centers of the support 1, the open type is arranged between the filter screen drum 4 and the central fixing pipe 5, the roller support 15 is fixedly connected with the bearing 13 at the center, the bearing is respectively, the bearing 13 is sleeved on the central fixing pipe 5, the central fixing pipe 5 is a hollow pipe, the left end, the central fixing pipe 5 is a central fixing pipe, the central fixing pipe, sewage discharge port can discharge the sewage from sewage discharge port of the sewage discharge port of the sewage discharge pipe 5; the backwashing dirt collecting tank 9 is arranged at the inner side of the filter screen roller 2 and is fixed on the central fixed pipe 5 through the connecting pipes 3 at the left side and the right side, the roller driven gear 6 is fixed at the outer side of the sealing plate 16, the variable speed motor 7 is fixed at the outer side of the bracket 1, the transmission gear 8 of the variable speed motor is connected with the roller driven gear 6 through a gear, and the variable speed motor 7 can drive the filter screen roller 2 to rotate; the high-pressure water pump 12 is fixed outside the bracket 1, the high-pressure water pipe 10 is fixed on the inner side of the bracket 1 and is positioned above the backwashing sewage collecting tank 9, the high-pressure water pipe 10 is fixedly connected with the high-pressure water pump 12, the backwashing spray head 11 is fixed on the high-pressure water pipe 10, and dirt on the filter screen is flushed into the backwashing sewage collecting tank 9 through the backwashing spray head 11.

The density of the filter screen roller 2 is 50-500 meshes.

The gap between the filtered water inlet pipe 14 and the left side of the filter screen roller 2 is 2-5 cm, the distance between the filtered water inlet pipe 14 and the central fixed pipe 5 is 10-30 cm, and water to be filtered is flushed into the filter screen roller 2 by utilizing the impulsive force of the filtered water inlet pipe 14.

The connecting pipe 3 is in a funnel shape with a wide upper part and a narrow lower part, so that the backwashing sewage collecting tank 9 can be better fixed, and sewage and dirt can be more conveniently collected.

The height of the water baffle 4 is 1/3-1/4 of the radius of the roller filter screen 2, the water level is at the position of a normal water level line 17 under the normal condition, when the filter screen of the filter screen roller 2 is blocked, the water level rises to exceed the height of the water baffle 4, and when the water level reaches a high water level line 18, the water amount exceeding the high water level 18 part overflows from a gap on the water baffle.

The number of the back washing spray heads 11 is 5-50, and the back washing spray heads are uniformly distributed on the high-pressure water pipe 10 according to the length of the filter screen roller 2.

The angle between the backwashing sewage collection tank 9 and the horizontal upward direction is 20-45 degrees, and the length of the backwashing sewage collection tank 9 is 5-10 cm smaller than that of the filter screen roller 2.

The high-pressure water pipe 10 is positioned between the roller filter screen 2 and the bracket 1 and is 5-20 cm higher than the backwashing dirt collecting groove 9.

The distance between the nozzle of the back washing nozzle 11 and the outer net of the filter screen roller 2 is 2-6 cm.

Claims

1. A drum-type water filtration device comprising: support, filter screen cylinder, connecting pipe, breakwater, the fixed pipe in center, cylinder driven gear, variable speed motor drive gear, back flush dirt collecting tank, high-pressure water pipe, back flush shower nozzle, high-pressure water pump, bearing, drainage inlet tube, cylinder support, closing plate, the support is horizontal, is the cuboid, filter screen cylinder fixes in the support, and filter screen cylinder surface a week is fixed with filter screen, its characterized in that: the filter water inlet pipe is fixed on the left side of the support, a gap is formed between the filter water inlet pipe and the left end opening of the filter screen roller, the left end and the right end of the filter screen roller are respectively fixed with a roller support, the outer side of the right end of the filter screen roller is fixed with a sealing plate, the inner edge of the left end of the filter screen roller is provided with a water baffle, a center fixing pipe is fixed on the two ends of the left center and the right center of the support, the water baffle and the center fixing pipe are open, the center of the roller support is respectively and fixedly connected with bearings, the bearings are respectively sleeved on the center fixing pipe, the center fixing pipe is a hollow pipe, the left end of the center fixing pipe is closed, the right end of the center fixing pipe is a sewage discharge port, a backwashing sewage collecting groove is arranged on the inner side of the filter screen roller, the connecting pipes on the center fixing pipe through the left side and the right side are fixed on the outer side of the sealing plate, a variable speed motor transmission gear is fixed on the outer side of the support, a high pressure water pump is fixed on the inner side of the support, the backwashing sewage collecting groove is located above the high pressure water pipe, and is fixedly connected with a spray nozzle.

2. A drum type water filtering apparatus as claimed in claim 1, wherein: the gap between the filtered water inlet pipe and the left side of the filter screen roller is 2-5 cm, and the distance between the filtered water inlet pipe and the central fixed pipe is 10-30 cm.

3. A drum type water filtering apparatus as claimed in claim 1 or 2, wherein: the connecting pipe is in a funnel shape with a wide upper part and a narrow lower part.

4. A drum type water filtering apparatus as claimed in claim 3, wherein: the height of the water baffle is 1/3-1/4 of the radius of the roller filter screen.

5. A drum type water filtering apparatus as claimed in claim 4, wherein: the angle between the back-flushing sewage collecting tank and the horizontal upward direction is 20-45 degrees, and the length of the back-flushing sewage collecting tank is 5-10 cm smaller than that of the filter screen roller.

6. A drum-type water filtering device as claimed in claim 5, wherein: the high-pressure water pipe is positioned between the drum filter screen and the bracket and is 5-20 cm higher than the back-flushing sewage collecting tank.

7. A drum-type water filtering apparatus as claimed in claim 6, wherein: the number of the back washing spray heads is 5-50, and the back washing spray heads are uniformly distributed on the high-pressure water pipe according to the length of the filter screen roller.

8. A drum type water filtering apparatus as claimed in claim 7, wherein: the distance between the nozzle of the back washing spray head and the outer net of the filter screen roller is 2-6 cm.

9. A drum-type water filtering apparatus as claimed in claim 8, wherein: the density of the filter screen is 50-500 meshes.