CN217188072U

CN217188072U - Cylinder self-cleaning sand filter

Info

Publication number: CN217188072U
Application number: CN202220739908.4U
Authority: CN
Inventors: 纪家勇; 纪岳青
Original assignee: Qingdao Andeer Ecological Technology Development Co ltd
Current assignee: Qingdao Andeer Ecological Technology Development Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-16
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of water purification devices, in particular to a roller self-cleaning sand filter, the filling amount of quartz sand in the inner cavity of an inner barrel accounts for 85-90% of the total volume of the inner cavity, the two ends of a center tube column are rotationally connected with the two side walls of the inner cavity of an outer barrel, an air inlet pipe is connected to the water inlet port, the other end of the air inlet pipe is connected to a high-pressure air source, the bottom of the outer barrel is provided with an emptying pipe, the water outlet end of the emptying pipe is provided with an emptying valve, the water outlet end of the water outlet pipe is provided with a drain valve, and the outer barrel is provided with a power mechanism for driving the center tube column to rotate; the problem of the back flush effect of quartz sand filter not good is solved.

Description

Cylinder self-cleaning sand filter

Technical Field

The utility model relates to a water purification installation technical field specifically is cylinder self-cleaning sand filter.

Background

The quartz sand filter is widely applied as a preposed filtering device for water purification treatment, and can adsorb and retain a large amount of larger particle impurities and organic matters in water. However, after long-term use, the quartz sand is hardened, and the throughput is gradually reduced, thereby affecting the water supply amount. The existing quartz sand filter also adopts various quartz sand back flushing methods, such as adding a back flushing device, a pulse bubble device and the like. However, the quartz sand has high density and thick filtering layer, so that the washing effect is not obvious, and the phenomena of reduced filtering capacity and hardened sand layer still occur after a long time. At present, a design of stirring a sand layer by mechanical transmission is adopted, but the problems of incomplete stirring and difficult loosening of the bottom sand layer exist, and the back washing effect on quartz sand is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not good problem of quartz sand filter back flush effect among the solution prior art, designed cylinder self-cleaning sand filter.

In order to achieve the above object, the utility model provides a following technical scheme: a roller self-cleaning sand filter comprises an outer barrel, an inner barrel positioned in an inner cavity of the outer barrel and a central pipe column fixed at the axis position of the inner barrel, wherein the two ends of the central pipe column are respectively connected with the central positions of the two side walls of the inner cavity of the outer barrel, one side surface of the outer barrel is provided with a water inlet port corresponding to the position of the port of the central pipe column, the bottom of the other side surface of the outer barrel is provided with a water outlet pipe, the wall bodies of the inner barrel and the central pipe column are respectively and correspondingly provided with a water outlet hole, the filling amount of quartz sand in the inner cavity of the inner barrel accounts for 85-90% of the total volume of the inner cavity, the two ends of the central pipe column are rotatably connected with the two side walls of the inner cavity of the outer barrel, the water inlet pipe is connected with a high-pressure air source, the bottom of the outer barrel is provided with an emptying pipe, and the water outlet end of the emptying pipe is provided with an emptying valve, the water outlet end of the water outlet pipe is provided with a water outlet valve, and the outer barrel is provided with a power mechanism for driving the central pipe column to rotate.

Preferably, still include the tee bend of intaking, main water intaking valve is installed to a tee bend output of intaking, the output of main water intaking valve with the input fixed connection of the port of intaking, the water intaking valve is installed to another output of the tee bend of intaking, the output fixedly connected with of time water intaking valve connects the water pipe, the center tubular column runs through the end of inner cylinder side is along a plurality of buckets of the even fixedly connected with of circumference, outer cylinder top front side corresponds to the position of bucket is provided with the inlet tube, the input of inlet tube with connect water piping connection, the rivers that the inlet tube flows pass through the bucket drives the center tubular column rotates.

Preferably, the central pipe column penetrates through two ends of two side faces of the inner barrel body and is fixedly connected with a plurality of water hoppers along the circumferential direction respectively, and water inlet pipes connected with the water pipes are arranged on the front sides of the tops of the two ends of the outer barrel body respectively.

Preferably, the outer wall of the central pipe column is fixedly sleeved with a plurality of water distribution filter caps through the openings, and the aperture of the water outlet holes of the water distribution filter caps is smaller than the particle size of quartz sand filled in the inner cavity of the inner cylinder.

Preferably, the inner side wall of the inner cylinder body is fixedly sleeved with a water outlet filter cap through a hole, and the aperture of the through hole of the water outlet filter cap is smaller than the particle size of quartz sand filled in the inner cavity of the inner cylinder body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the roller self-cleaning sand filter has large effective filtering area and large filtering capacity, thereby improving the filtering efficiency; and the equipment occupies small space and is convenient to operate and maintain.

2. The utility model relates to a barrel rotates the in-process along with the central tube post in the cylinder self-cleaning sand filter, and quartz sand can evenly become flexible, no dead angle, and washing water flow and high-pressure bubble and sand grain collision friction each other have in addition improved the cleaning performance to quartz sand adhesion filter thing greatly.

Drawings

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

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1 according to the present invention;

fig. 3 is a schematic sectional view of the structure of fig. 1B-B according to the present invention.

In the figure: 1-outer cylinder; 11-a water inlet port; 12-a drain pipe; 13-an emptying pipe; 14-a water inlet pipe; 15-a drain valve; 16-a blow-down valve;

2-a central tubular string; 21-water distribution filter cap;

3-inner cylinder; 31-a water outlet filter cap;

4-water bucket;

5-a water inlet tee joint; 51-main water inlet valve; 52-secondary inlet valve; 53-connecting a water pipe;

6-air inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution, a roller self-cleaning sand filter, comprising an outer cylinder 1, an inner cylinder 3 located in the inner cavity of the outer cylinder 1, and a central tubular column 2 fixed at the axial center position of the inner cylinder 3, wherein both ends of the central tubular column 2 are respectively connected to the central positions of the two side walls of the inner cavity of the outer cylinder 1, a water inlet port 11 is arranged at a position corresponding to the port of the central tubular column 2 on one side surface of the outer cylinder 1, a water outlet pipe 12 is arranged at the bottom of the other side surface of the outer cylinder 1, water outlet holes are respectively arranged on the wall bodies of the inner cylinder 3 and the central tubular column 2, the filling amount of quartz sand in the inner cavity of the inner cylinder 3 accounts for 85-90% of the total volume of the inner cavity, the two ends of the central tubular column 2 are rotatably connected with the two side walls of the inner cavity of the outer cylinder 1, an air inlet pipe 6 is connected to the water inlet port 11, the other end of the air inlet pipe 6 is connected to a high pressure air source, the bottom of the outer cylinder body 1 is provided with an emptying pipe 13, the water outlet end of the emptying pipe 13 is provided with an emptying valve 16, the water outlet end of the water discharge pipe 12 is provided with a water discharge valve 15, and the outer cylinder body 1 is provided with a power mechanism for driving the center pipe column 2 to rotate.

In the embodiment, the water inlet tee joint further comprises a water inlet tee joint 5, a main water inlet valve 51 is installed at one output end of the water inlet tee joint 5, the output end of the main water inlet valve 51 is fixedly connected with the input end of the water inlet port 11, a secondary water inlet valve 52 is installed at the other output end of the water inlet tee joint 5, the output end of the secondary water inlet valve 52 is fixedly connected with a connecting water pipe 53, a plurality of water hoppers 4 are uniformly and fixedly connected to the end, penetrating through the side face of the inner barrel 3, of the central pipe column 2 along the circumferential direction, a water inlet pipe 14 is arranged on the front side of the top of the outer barrel 1 and corresponds to the position of the water hoppers 4, the input end of the water inlet pipe 14 is connected with the connecting water pipe 53, and water flowing out of the water inlet pipe 14 drives the central pipe column 2 to rotate through the water hoppers 4.

In this embodiment, the central pipe column 2 penetrates through two ends of two side surfaces of the inner cylinder 3 and is fixedly connected with a plurality of water hoppers 4 along the circumferential direction, and the front sides of the tops of two ends of the outer cylinder 1 are respectively provided with water inlet pipes 14 connected with the connecting water pipes 53.

In this embodiment, the outer wall of the central tubular column 2 is fixedly sleeved with a plurality of water distribution filter caps 21 through the openings, and the aperture of the water outlet holes of the water distribution filter caps 21 is smaller than the particle size of quartz sand filled in the inner cavity of the inner cylinder 3.

In this embodiment, the inner side wall of the inner cylinder 3 is respectively fixedly sleeved with the water outlet filter cap 31 through the hole, and the aperture of the through hole of the water outlet filter cap 31 is smaller than the particle size of quartz sand filled in the inner cavity of the inner cylinder 3.

The working principle is as follows: during normal filtration, the main water inlet valve 51 and the drain valve 15 are opened, the secondary water inlet valve 52 and the emptying valve 16 are closed at the same time, and air supply at the side of the air inlet pipe 6 is stopped; at the moment, water flow sequentially enters the central pipe column 2 through the water inlet tee joint 5, the main water inlet valve 51 and the water inlet port 11, the water flow in the central pipe column 2 is distributed into the inner cylinder 3 through the water distribution filter cap 21, the water flow is discharged from the water outlet filter cap 31 after being filtered by quartz sand in the inner cylinder 3, and the filtered water is collected at the bottom of the inner cavity of the outer cylinder 1 and then is discharged through the water discharge pipe 12;

when the quartz sand needs to be washed, the drain valve 15 is closed, the secondary water inlet valve 52 and the emptying valve 16 are opened, and the gas supply at the side of the gas inlet pipe 6 is opened; at the moment, part of the water flow continues to enter the central pipe column 2 through the main water inlet valve 51 and the water inlet port 11, and is distributed into the quartz sand; the high-pressure air source at the side of the air inlet pipe 6 supplies air in a pulse mode; a part of water flow at the side of the water inlet tee joint 5 passes through a secondary water inlet valve 52 and a connecting water pipe 53 and is discharged by a water inlet pipe 14, the water flow discharged by the water inlet pipe 14 falls into a water bucket 4 below the water inlet pipe, according to the principle of water car, a moment effect is generated along with the increase of the water volume in the water bucket 4, the central pipe column 2 and the inner barrel 3 start to rotate, water is continuously injected into the water bucket 4 in the rotating process, the central pipe column 2 and the inner barrel 3 rotate continuously to be emptied along with the rotation of the inner barrel 3, the quartz sand in the cavity of the inner barrel 3 is only filled with 85-90% of the total volume, the quartz sand slides and loosens along with the rotation of the inner barrel 3, meanwhile, the central pipe column 2 continuously distributes water through a water distribution filter cap 21, the washing water flow and pulse bubbles can continuously wash loose sand layers, and the collision and friction among sand grains can wash away the retained filter matters in the sand layer filtering process, the washing water is discharged from the drain pipe 13 after being discharged from the outlet filter cap 31.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Cylinder self-cleaning sand filter, including outer barrel (1), be located outer barrel (1) inner chamber interior barrel (3) and be fixed in the central column (2) of interior barrel (3) axle center position, the both ends of central column (2) connect respectively in the central point of outer barrel (1) inner chamber both sides wall puts, outer barrel (1) one side corresponds to the position of central column (2) port is provided with into water port (11), the bottom of outer barrel (1) another side is provided with drain pipe (12), its characterized in that:

the utility model discloses a water drain valve, including interior barrel (3) and center tube post (2), the water hole mouth has been laid to corresponding respectively on the wall body of interior barrel (3) and center tube post (2), the filling volume of quartz sand accounts for 85 ~ 90% of its inner chamber total volume in interior barrel (3) inner chamber, center tube post (2) both ends with for rotating between outer barrel (1) inner chamber both sides wall and connecting, be connected with intake pipe (6) on intake port (11), the other end of intake pipe (6) is connected in high pressurized air source, the bottom of outer barrel (1) is provided with blow-down pipe (13), blow-down valve (16) are installed to the water outlet end of blow-down pipe (13), drain valve (15) are installed to the water outlet end of drain pipe (12), be provided with the drive on outer barrel (1) center tube post (2) pivoted power unit.

2. The roller self-cleaning sand filter of claim 1, wherein: the water inlet tee joint is characterized by further comprising a water inlet tee joint (5), a main water inlet valve (51) is installed at one output end of the water inlet tee joint (5), the output end of the main water inlet valve (51) is fixedly connected with the input end of the water inlet port (11), a secondary water inlet valve (52) is arranged at the other output end of the water inlet tee joint (5), the output end of the secondary water inlet valve (52) is fixedly connected with a connecting water pipe (53), the end of the central pipe column (2) penetrating through the side surface of the inner cylinder body (3) is evenly and fixedly connected with a plurality of water hoppers (4) along the circumferential direction, a water inlet pipe (14) is arranged at the front side of the top of the outer cylinder body (1) corresponding to the position of the water bucket (4), the input end of the water inlet pipe (14) is connected with the connecting water pipe (53), the water flowing out of the water inlet pipe (14) drives the center pipe column (2) to rotate through the water bucket (4).

3. The roller self-cleaning sand filter of claim 2, wherein: the central pipe column (2) penetrates through two ends of two side faces of the inner barrel body (3) and is fixedly connected with a plurality of water hoppers (4) along the circumferential direction respectively, and water inlet pipes (14) connected with the connecting water pipes (53) are arranged on the front sides of the tops of two ends of the outer barrel body (1) respectively.

4. The roller self-cleaning sand filter of claim 1, wherein: the outer wall of the central pipe column (2) is fixedly sleeved with a plurality of water distribution filter caps (21) through holes, and the aperture of the water outlet hole of each water distribution filter cap (21) is smaller than the particle size of quartz sand filled in the inner cavity of the inner barrel (3).

5. The roller self-cleaning sand filter of claim 4, wherein: the inner side wall of the inner cylinder body (3) is respectively fixedly sleeved with a water outlet filter cap (31) through a hole, and the aperture of a through hole of the water outlet filter cap (31) is smaller than the particle size of quartz sand filled in the inner cavity of the inner cylinder body (3).