CN218011384U - Online self-cleaning filter - Google Patents

Abstract

The utility model discloses an online self-cleaning filter, including the shell body, the inside filter unit that is equipped with of shell body, filter unit are connected with the inlet tube including the headstock at shell body top including the cylindric outer wall that the filter screen encloses, the opening of filter screen upper end, and the shell body lateral wall is connected with the outlet pipe on the headstock, shell body upper portion is cylindric, the expansion mouth that the middle part is the loudspeaker form, the lower part is leaks hopper-shaped and the bottom is connected with the blow off pipe, advances the cylindric position on water piping connection shell body upper portion and the inlet pipe is connected along cylindrical tangential direction. The utility model discloses online self-cleaning filter compares and need not peripheral hardware electric drive's scraper blade in prior art, greatly reduced the fault rate, and the slant blowout reverse promotion rotating head through rivers rotates to the rivers that spray also can wash the filter screen simultaneously, and the shell body is equipped with the expansion mouth, and the inlet pipe gets into along tangential direction, makes the sewage that contains impurity get into along tangential direction.

Description

Online self-cleaning filter

Technical Field

The utility model relates to a filter technical field specifically indicates an online self-cleaning filter.

Background

Sewage, generally refers to waste water from life and production that is contaminated to some extent. The sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater. The main pollutants of the sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants, impurities and the like. Often can carry out impurity filtering to sewage when handling sewage, come out the solid particle filtration in with sewage, make solid and separation of water, then be convenient for carry out solitary processing to water.

The sewage filter who commonly uses among the prior art is simple T shape or Y shape filter, use its inside filter screen to carry out solid-liquid separation to the rivers of process, but the filter screen rigidity in this kind of structure, use the period and make the filter screen jam easily, cause filtration efficiency greatly reduced, for solving this problem, the scraper blade by motor drive has appeared in inside setting, under the motor drives, the scraper blade is attaching to filter screen surrounding movement, strike off impurity on the filter screen, but it need set up the motor, and set up the circuit, the easy damage that appears, the fault rate is high, in view of above, we propose an online self-cleaning filter and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an online self-cleaning filter rational in infrastructure, the practicality is strong, excellent in use effect.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an online self-cleaning filter, includes the shell body, and the inside filter unit that is equipped with of shell body, filter unit are connected with the headstock at shell body top including the cylindric outer wall that the filter screen encloses, the opening of filter screen upper end and shell body top, and the shell body lateral wall is connected with the inlet tube, is connected with the outlet pipe on the headstock, shell body upper portion is cylindric, the expansion mouth that the middle part is loudspeaker form, the lower part is leaks hopper-shaped and the bottom is connected with the blow off pipe, advances the cylindric position on water piping connection shell body upper portion and the inlet tube is connected along cylindrical tangential direction.

Further, still include the back flush structure, the back flush structure includes rotating head, recoil pipe, recoil pump, the rotating head periphery is the rectangle frame structure, and the rotating head middle part is equipped with the pivot, and the pivot of rotating head sets up along the axis of filter screen, and the rectangle frame laminating of both sides is on the filter screen inner wall when the rotating head rotates.

Furthermore, the filtering unit further comprises a fixing frame positioned on the upper part of the filtering net and a plugging plate positioned on the lower end of the filtering net, one end of the back flushing pipe is connected with the water outlet pipe, the other end of the back flushing pipe penetrates through the headstock to be connected to the circle center of the fixing frame, the top of the rotating head is arranged in the back flushing pipe on the fixing frame and is rotationally connected with the back flushing pipe, a conical bulge is arranged at the circle center of the plugging plate, and a groove matched with the conical bulge is formed in the bottom of the rotating head.

Furthermore, the rectangular frame of the rotating head is of a hollow pipe structure, the interior of the rectangular frame is communicated with the backwashing pipe, the side wall of the rectangular frame is provided with water spraying holes for spraying water to clean the filter screen, the water spraying holes on two sides of the rectangular frame are arranged in a centrosymmetric manner, and the water spraying holes on two sides drive the rectangular frame to rotate under the action of a reaction force when spraying water.

Furthermore, the protruding reflecting screen that is equipped with slope form in shutoff board periphery, the slope of reflecting screen is equipped with the clearance that supplies impurity to pass between the edge distance shell body of reflecting screen up.

Furthermore, a backflushing pump is also arranged on the backflushing pipe.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses online self-cleaning filter compares and need not peripheral hardware electric drive's scraper blade in prior art, greatly reduced the fault rate, slant blowout reverse promotion rotating head through rivers rotates, and the rivers that jet spray also can wash the filter screen simultaneously, and the shell body is equipped with expansion mouth, the inlet pipe gets into along tangential direction, make the sewage that contains impurity get into along tangential direction, impurity is along the rotatory whereabouts of shell body inner wall under the effect of centrifugal force, when getting into expansion mouth portion, because its expansion effect, prevent effectively that impurity from anti scurrying, make impurity can rotate the funnel portion of whereabouts to the bottom, and the blow off pipe of being convenient for discharges.

Drawings

Fig. 1 is a schematic structural diagram of an on-line self-cleaning filter according to the present invention in a filtering state.

Fig. 2 is a schematic structural diagram of the on-line self-cleaning filter of the present invention when cleaning the filter screen.

Fig. 3 isbase:Sub>A schematic structural view of the cross sectionbase:Sub>A-base:Sub>A in fig. 2 according to the present invention.

As shown in the figure: 1. an outer housing; 2. a filter screen; 3. a headstock; 4. a water inlet pipe; 5. a water outlet pipe; 6. expanding the mouth; 7. a blow-off pipe; 8. rotating the head; 9. back flushing the pipe; 10. a back flushing pump; 11. a rotating shaft; 12. a fixed mount; 13. a plugging plate; 14. a conical projection; 15. a water spray hole; 16. a reflective screen.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides an online self-cleaning filter, includes shell body 1, and 1 inside filter unit that is equipped with of shell body, filter unit are connected with inlet tube 4 including the cylindric outer wall that 2 filter screens enclose, the opening of 2 upper ends of filter screen and the headstock 3 at shell body 1 top are connected, and 1 lateral wall of shell body is connected with inlet tube 4, is connected with outlet pipe 5 on the headstock 3, 1 upper portion of shell body is cylindricly, the middle part is the expansion mouth 6 of loudspeaker form, the lower part is hourglass hopper-shaped and the bottom is connected with blow off pipe 7, inlet tube 4 connects the cylindric position on 1 upper portion of shell body and inlet tube 4 connects along cylindrical tangential direction.

Still include the back flush structure, the back flush structure includes rotating head 8, recoil pipe 9, recoil pump 10, 8 peripheries of rotating head are the rectangle frame structure, and 8 middle parts of rotating head are equipped with pivot 11, and the pivot 11 of rotating head 8 sets up along the axis of filter screen 2, and the rectangle frame laminating of both sides is on filter screen 2 inner wall when rotating head 8 rotates. A backflushing pump 10 is also arranged on the backflushing pipe 9. The filtering unit further comprises a fixing frame 12 positioned on the upper portion of the filtering net 2 and a blocking plate 13 positioned at the lower end of the filtering net 2, one end of the back flushing pipe 9 is connected with the water outlet pipe 5, the other end of the back flushing pipe penetrates through the headstock 3 and is connected to the circle center of the fixing frame 12, the top of the rotating head 8 is arranged in the back flushing pipe on the fixing frame 12 and is in rotating connection with the back flushing pipe, a conical bulge 14 is arranged at the circle center of the blocking plate 13, and a groove matched with the conical bulge 14 is formed in the bottom of the rotating head 8. The rectangular frame of the rotating head 8 is of a hollow pipe structure, the inside of the rectangular frame is communicated with the backwashing pipe, the side wall of the rectangular frame is provided with water spraying holes 15 used for spraying water to clean the filter screen 2, the water spraying holes 15 on the two sides of the rectangular frame are arranged in a centrosymmetric mode, and the water spraying holes 15 on the two sides drive the rectangular frame to rotate under the action of reaction force when spraying water. The periphery of the blocking plate 13 is convexly provided with a slope-shaped reflecting screen 16, and a gap for impurities to pass through is arranged between the edge of the reflecting screen 16 facing upwards in the slope direction of the reflecting screen 16 and the outer shell 1.

In the time of practical use, the utility model discloses online self-cleaning filter need not peripheral hardware electric drive's scraper blade, greatly reduced the fault rate, slant blowout reverse promotion rotating head 8 through rivers is rotatory, and the rivers that spray also can wash filter screen 2 simultaneously, and shell body 1 is equipped with expansion mouth 6, inlet tube 4 gets into along tangential direction, make the sewage that contains impurity get into along tangential direction, impurity is along the rotatory whereabouts of 1 inner wall of shell body under the effect of centrifugal force, when getting into expansion mouth 6, because its expansion effect, prevent effectively that impurity from scurrying, make impurity can rotate the funnel portion of whereabouts to the bottom, and be convenient for blow off pipe 7 discharges.

System components and features

(1) The system consists of an outer shell 1, a filtering unit, a rotating head 8, a headstock 3, a backwashing pump and a control valve;

outer housing 1: a tangent water inlet is arranged, the upper part of the tangent water inlet is connected with the headstock 3, a seal is arranged between the tangent water inlet and the headstock, the middle part of the tangent water inlet is in a diffusion shape, and the lower part of the tangent water inlet is in a conical hopper shape;

a filtering unit: the reflecting screen 16 is of a hollow cylindrical structure, the filtering precision can be selected, the upper part is also connected with the headstock 3, the bottom part is also connected with the back reflection screen, and the center in the reflecting screen is provided with a conical axial sliding bearing;

the head frame 3: the headstock 3 is connected with a water outlet pipe 5 and a backwashing pipe, and is tightly sealed and connected with the outer shell 1 by adopting a flange, and a radial sliding bearing is arranged between the filtering units and forms rotary dynamic seal with a backwashing head;

rotating head 8: the rotating head 8 is a door-shaped back flushing pipe, a rotating shaft 11 is arranged in the middle of the rotating head, the whole rotating head can rotate freely, and the back flushing pipe is a strip-shaped seam and can form jet flow at a high speed.

(2) Technical characteristics

The online continuous operation can be realized, the control of water inlet and outlet valves is not required to be switched, and the operation is stable;

during backwashing, because of self-cleaning and self-filtering, no additional water source consumption and no new sewage are generated;

because most suspended matters are separated mechanically, the load of the filtering unit is reduced, the backwashing frequency is reduced, and the filtering speed is improved.

The present invention and the embodiments thereof have been described above, but the present invention is not limited thereto, and the embodiments shown in the detailed description are only some examples, not all examples, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides an online self-cleaning filter, includes shell body (1), its characterized in that, the inside filter unit that is equipped with of shell body (1), filter unit are connected with headstock (3) at shell body (1) top including the cylindric outer wall that filter screen (2) enclose, the opening of filter screen (2) upper end, and shell body (1) lateral wall is connected with inlet tube (4), is connected with outlet pipe (5) on headstock (3), shell body (1) upper portion is cylindric, middle part is expansion mouth (6) that the loudspeaker was described, the lower part is hourglass hopper-shaped and the bottom is connected with blow off pipe (7), and the cylindric position on shell body (1) upper portion is connected and inlet tube (4) are connected along cylindrical tangential direction.

2. The on-line self-cleaning filter of claim 1, further comprising a backwashing structure, wherein the backwashing structure comprises a rotating head (8), a backwashing pipe (9) and a backwashing pump (10), the periphery of the rotating head (8) is in a rectangular frame structure, a rotating shaft (11) is arranged in the middle of the rotating head (8), the rotating shaft (11) of the rotating head (8) is arranged along the axis of the filter screen (2), and the rectangular frames on the two sides are attached to the inner wall of the filter screen (2) when the rotating head (8) rotates.

3. An on-line self-cleaning filter according to claim 2, wherein the filtering unit further comprises a fixing frame (12) located at the upper part of the filtering net (2), and a blocking plate (13) located at the lower end of the filtering net (2), one end of the backwash pipe (9) is connected with the water outlet pipe (5), the other end of the backwash pipe passes through the headstock (3) and is connected to the center of the fixing frame (12), the top of the rotating head (8) is arranged in the backwash pipe on the fixing frame (12) and is rotatably connected with the backwash pipe, a conical protrusion (14) is arranged at the center of the blocking plate (13), and a groove matched with the conical protrusion (14) is arranged at the bottom of the rotating head (8).

4. An on-line self-cleaning filter as claimed in claim 2, wherein the rectangular frame of the rotating head (8) is a hollow tube structure, and the inside of the rectangular frame is communicated with the back-washing pipe, the side wall of the rectangular frame is provided with water spray holes (15) for spraying water to clean the filter screen (2), the water spray holes (15) on both sides of the rectangular frame are arranged in a central symmetry manner, and the rectangular frame is driven to rotate under the reaction force when the water spray holes (15) on both sides spray water.

5. An on-line self-cleaning filter according to claim 3, characterized in that the periphery of the plugging plate (13) is convexly provided with a slope-shaped reflecting screen (16), and a gap for impurities to pass through is arranged between the edge of the reflecting screen (16) facing upwards and the outer shell (1).

6. An in-line self-cleaning filter according to any one of claims 2 to 4, wherein a backflushing pump (10) is further provided on the backflushing pipe (9).

Images