CN212594322U

CN212594322U - Self-cleaning filter

Info

Publication number: CN212594322U
Application number: CN202021059208.8U
Authority: CN
Inventors: 郑秀明; 黄福勇
Original assignee: Guangdong Oasis Chemical Co ltd
Current assignee: Guangdong Oasis Chemical Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-26
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a self-cleaning filter, which comprises a shell, a cone hopper, a supporting mechanism and a cleaning strip; a housing: the shell is a cylindrical shell with an open upper end, the upper end of the shell is connected with a top cover through a bolt, a liquid inlet pipe is fixed in a middle mounting hole of the top cover, a filter screen is fixed on the lower surface of the top cover, the filter screen is a cylindrical screen, and the filter screen and the liquid inlet pipe are coaxial; a cone hopper: the upper end of the cone hopper is fixedly connected with the lower port of the filter screen, the lower end of the cone hopper extends to the outer side of the lower end of the shell, and the lower port of the cone hopper is provided with a sealing cover; a support mechanism: the support mechanism is fixed on the inner wall of the liquid inlet pipe, a rotating shaft is arranged in the middle of the support mechanism, a locking assembly is arranged at the upper end of the rotating shaft, and blades are radially distributed in the middle of the rotating shaft; cleaning strips: the cleaning strip is arranged on the inner side of the filter screen, the structure is simple, the use is convenient, the sewage can be filtered, the self-cleaning capability is realized, and the maintenance frequency is reduced.

Description

Self-cleaning filter

Technical Field

The utility model relates to a filter technical field specifically is from clear formula filter.

Background

At present, in the fields of metallurgy, chemical industry, power generation and the like, commonly used water filters are divided into four types, namely a centrifugal filter, a sand filter, a screen filter and a stack filter. Sand filters and centrifugal filters are not very accurate in terms of manufacturing technology and often require re-treatment in combination with other types of filters. The former is mainly used for pre-stage filtration of organic matters in an open water surface water source, and the latter cannot remove impurities such as organic matters which are close to the specific weight of water and are lighter than the water. The laminated filter has the advantages of small water flow resistance and low running cost, but has the technical problem of cleaning work. The screen filter has the advantages of simple structure, low manufacturing cost, good filtering effect, wide application and the like, and in the using process, the meshes of the screen are easily blocked by impurities, so that the filtering effect is influenced, and frequent cleaning and replacement are needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide from clear formula filter, simple structure, convenient to use can carry out the filtration of sewage, has the ability of self-cleaning simultaneously, reduces the frequency of overhauing, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the self-cleaning filter comprises a shell, a conical hopper, a supporting mechanism and a cleaning strip;

a housing: the shell is a cylindrical shell with an open upper end, the upper end of the shell is connected with a top cover through a bolt, a liquid inlet pipe is fixed in a middle mounting hole of the top cover, a filter screen is fixed on the lower surface of the top cover, the filter screen is a cylindrical screen, and the filter screen and the liquid inlet pipe are coaxial;

a cone hopper: the upper end of the cone hopper is fixedly connected with the lower port of the filter screen, the lower end of the cone hopper extends to the outer side of the lower end of the shell, and the lower port of the cone hopper is provided with a sealing cover;

a support mechanism: the support mechanism is fixed on the inner wall of the liquid inlet pipe, a rotating shaft is arranged in the middle of the support mechanism, a locking assembly is arranged at the upper end of the rotating shaft, and blades are radially distributed in the middle of the rotating shaft;

cleaning strips: the cleaning strip is arranged on the inner side of the filter screen, a fixing clamp is fixed in the middle of the cleaning strip, and the fixing clamp is fixedly connected with the lower end of the rotating shaft through a side rod;

wherein: the liquid outlet device further comprises a liquid outlet pipe, and the left end of the liquid outlet pipe is fixedly connected to the interface in the middle of the circumferential surface of the shell.

Furthermore, the supporting mechanism comprises a side frame and a thrust bearing, the outer side end of the side frame is fixed on the inner wall of the liquid inlet pipe, the thrust bearing is fixed at the central position of the side frame, the rotating shaft penetrates through a central hole of the thrust bearing and is supported through the thrust bearing, friction force during rotation is reduced, and effective rotation is guaranteed.

Further, the locking assembly comprises a nut and a pressing ring, the nut is in threaded connection with the uppermost end of the rotating shaft, the pressing ring is sleeved on the upper end of the rotating shaft, the pressing ring is located between the nut and the thrust bearing, and the locking assembly limits the rotating shaft and guarantees the stability of rotation.

Further, clean strip is the spiral plastic strip, the outside edge of clean strip laminates with the medial surface of filter screen, clears up the attachment of filter screen inner wall through the clean strip of spiral, avoids the jam of filter screen.

Further, still include scavenge pipe and valve, the scavenge pipe is connected on the interface at shell bottom edge, and the middle part of scavenge pipe is equipped with the valve, can carry out the backwash to the filter screen through the scavenge pipe, need not dismantle the top cap.

Compared with the prior art, the beneficial effects of the utility model are that: this self-cleaning formula filter has following benefit:

1. the sewage is filtered by the filter screen, impurities are retained at the inner side of the filter screen, the sewage purification effect is achieved, and the blades and the cleaning strips can be driven to rotate when the sewage enters, so that the impurities attached to the inner wall of the filter screen are scraped, and the water body is ensured to pass through quickly;

2. the compression ring and the rotating shaft are supported through the thrust bearing, so that the friction force during rotation is reduced, and the effective operation of rotation is ensured;

3. can carry out the backwash to the filter screen through the scavenge pipe, need not dismantle the top cap, convenient to use.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: the cleaning device comprises a shell 1, a top cover 2, a liquid inlet pipe 3, a filter screen 4, a cone hopper 5, a sealing cover 6, a supporting mechanism 7, a side frame 701, a thrust bearing 702, a rotating shaft 8, a locking assembly 9, a nut 901, a pressing ring 902, a blade 10, a fixing clamp 11, a cleaning strip 12, a liquid outlet pipe 13, a cleaning pipe 14 and a valve 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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: the self-cleaning filter comprises a shell 1, a cone hopper 5, a supporting mechanism 7 and a cleaning strip 12;

the shell 1: the shell 1 is a cylindrical shell with an open upper end, the upper end of the shell 1 is connected with a top cover 2 through a bolt, a liquid inlet pipe 3 is fixed in a middle mounting hole of the top cover 2, a filter screen 4 is fixed on the lower surface of the top cover 2, the filter screen 4 is a cylindrical net, and the filter screen 4 and the liquid inlet pipe 3 are coaxial;

a cone hopper 5: the upper end of the conical hopper 5 is fixedly connected with the lower port of the filter screen 4, the lower end of the conical hopper 5 extends to the outer side of the lower end of the shell 1, and the lower port of the conical hopper 5 is provided with a sealing cover 6;

the supporting mechanism 7: the supporting mechanism 7 is fixed on the inner wall of the liquid inlet pipe 3, the middle part of the supporting mechanism 7 is provided with a rotating shaft 8, the upper end of the rotating shaft 8 is provided with a locking assembly 9, and blades 10 are radially distributed on the middle part of the rotating shaft 8;

the supporting mechanism 7 comprises a side frame 701 and a thrust bearing 702, the outer side end of the side frame 701 is fixed on the inner wall of the liquid inlet pipe 3, the thrust bearing 702 is fixed at the central position of the side frame 701, the rotating shaft 8 penetrates through a central hole of the thrust bearing 702, the locking assembly 9 comprises a nut 901 and a pressing ring 902, the nut 901 is in threaded connection with the uppermost end of the rotating shaft 8, the pressing ring 902 is sleeved at the upper end of the rotating shaft 8, the pressing ring 902 is located between the nut 901 and the thrust bearing 702, the pressing ring 902 and the rotating shaft 8 are supported through the thrust bearing 702, friction force during rotation is reduced, effective rotation is guaranteed, the locking assembly 9 is connected with the rotating shaft 8, the rotating shaft 8 is limited, and rotation;

cleaning strip 12: the cleaning strip 12 is arranged on the inner side of the filter screen 4, a fixing clamp 11 is fixed in the middle of the cleaning strip 12, the fixing clamp 11 is fixedly connected with the lower end of the rotating shaft 8 through a side lever, the cleaning strip 12 is a spiral plastic strip, and the outer edge of the cleaning strip 12 is attached to the inner side face of the filter screen 4;

wherein: still include drain pipe 13, the left end fixed connection of drain pipe 13 still includes scavenge pipe 14 and valve 15 on the interface at 1 periphery middle part of shell, and scavenge pipe 14 is connected on the interface at 1 bottom edge of shell, and the middle part of scavenge pipe 14 is equipped with valve 15, can carry out the backwash to filter screen 4 through scavenge pipe 14, need not dismantle top cap, convenient to use.

Sewage is through filter of filter screen 4, and impurity is detained at filter screen 4 inboardly, plays sewage purification's effect, can drive blade 10 and clean strip 12 when sewage gets into and rotate to strike off filter screen 4 inner wall adnexed impurity, guarantee the water and pass through fast.

When in use: the whole body is connected in series in a pipeline system through a liquid inlet pipe 3 and a liquid outlet pipe 13, sewage enters an inner cavity of a filter screen 4 through the liquid inlet pipe 3, and passes through the filter screen 4, the impurities are blocked at the inner side surface of the filter screen 4, the purified water is discharged through the liquid outlet pipe 13 to realize filtration, when the sewage passes through the gap of the blade 10, the blades 10 and the rotating shaft 8 are driven to rotate, the fixing clamps 11 and the cleaning strips 12 rotate along with the rotating shaft 8, the spiral cleaning strips 12 rub the inner wall of the filter screen 4 to enable impurities to be separated from the filter screen 4 and then deposited in the cone hopper 5, the sealing cover 6 is periodically opened to enable the impurities in the cone hopper 5 to be discharged, when cleaning is needed, an external pipeline connected with the liquid outlet pipe 13 is closed, the cleaning pipe 14 is connected with an external water pipe, water is injected into the shell 1 through the cleaning pipe 14, clean water penetrates through the filter screen from outside to inside, impurities in the filter screen 4 are pushed out to the inside, and the sealing cover 6 is opened subsequently to discharge the cleaned water.

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. Self-cleaning formula filter, its characterized in that: comprises a shell (1), a cone hopper (5), a supporting mechanism (7) and a cleaning strip (12);

housing (1): the shell (1) is a cylindrical shell with an open upper end, the upper end of the shell (1) is connected with a top cover (2) through a bolt, a liquid inlet pipe (3) is fixed in a middle mounting hole of the top cover (2), a filter screen (4) is fixed on the lower surface of the top cover (2), the filter screen (4) is a cylindrical screen, and the filter screen (4) and the liquid inlet pipe (3) are coaxial;

cone (5): the upper end of the conical hopper (5) is fixedly connected with the lower port of the filter screen (4), the lower end of the conical hopper (5) extends to the outer side of the lower end of the shell (1), and the lower port of the conical hopper (5) is provided with a sealing cover (6);

support mechanism (7): the supporting mechanism (7) is fixed on the inner wall of the liquid inlet pipe (3), a rotating shaft (8) is arranged in the middle of the supporting mechanism (7), a locking assembly (9) is arranged at the upper end of the rotating shaft (8), and blades (10) are radially distributed in the middle of the rotating shaft (8);

cleaning strip (12): the cleaning strip (12) is arranged on the inner side of the filter screen (4), a fixing clamp (11) is fixed in the middle of the cleaning strip (12), and the fixing clamp (11) is fixedly connected with the lower end of the rotating shaft (8) through a side lever;

wherein: the liquid discharging device is characterized by further comprising a liquid discharging pipe (13), wherein the left end of the liquid discharging pipe (13) is fixedly connected to the interface in the middle of the circumferential surface of the shell (1).

2. The self-cleaning filter according to claim 1, wherein: the supporting mechanism (7) comprises a side frame (701) and a thrust bearing (702), the outer side end of the side frame (701) is fixed on the inner wall of the liquid inlet pipe (3), the thrust bearing (702) is fixed in the center of the side frame (701), and the rotating shaft (8) penetrates through the center hole of the thrust bearing (702).

3. The self-cleaning filter according to claim 2, wherein: the locking assembly (9) comprises a nut (901) and a pressing ring (902), the nut (901) is in threaded connection with the uppermost end of the rotating shaft (8), the pressing ring (902) is sleeved at the upper end of the rotating shaft (8), and the pressing ring (902) is located between the nut (901) and the thrust bearing (702).

4. The self-cleaning filter according to claim 1, wherein: the cleaning strip (12) is a spiral plastic strip, and the outer side edge of the cleaning strip (12) is attached to the inner side face of the filter screen (4).

5. The self-cleaning filter according to claim 1, wherein: still include scavenge pipe (14) and valve (15), scavenge pipe (14) are connected on the interface of shell (1) bottom edge, and the middle part of scavenge pipe (14) is equipped with valve (15).