Disclosure of utility model
The utility model aims to overcome the defect of poor cleaning effect of the existing self-cleaning filter and provide a high-efficiency self-cleaning filter device.
In order to achieve the aim, the utility model adopts the following technical scheme that the high-efficiency self-cleaning filter device comprises a filter valve 1, an upper end cover 2, a hydraulic motor 3, a sewage suction pipe 4, a filter screen 5, a blowback pipe 6, a sewage collecting device 7, a main pipe assembly 8, a water inlet 9, an inlet pressure gauge 10, a water outlet 11, an outlet pressure gauge 12, an air source main pipe valve 13, a blow-down valve 14 and a controller 15.
The top fixedly connected with upper end cover 2 of filtering valve 1, the top fixedly connected with hydraulic motor 3 of upper end cover 2, hydraulic motor 3's output fixedly connected with dirt suction pipe 4.
The inside fixedly connected with filter screen 5 of filter valve 1, the filter screen 5 surface is provided with blowback pipe 6, the below fixedly connected with dirt collecting device 7 of filter screen 5.
The filter valve 1 top fixedly connected with is responsible for subassembly 8, and filter valve 1 top right side is provided with water inlet 9, is provided with inlet pressure gauge 10 on the water inlet 9, and filter valve 1 below left side is provided with delivery port 11, is provided with outlet pressure gauge 12 on the delivery port 11.
The air source main pipe valve 13 is connected with the back-flushing pipe 6, the blow-down valve 14 is positioned at the lower part of the filter valve 1, and the controller 15 is respectively connected with the hydraulic motor 3, the inlet pressure gauge 10, the outlet pressure gauge 12, the air source main pipe valve 13 and the blow-down valve 14 through signal wires.
Further, a wire brush is arranged inside the filter screen 5.
Further, 6 blowback pipes 6 are uniformly arranged.
Further, the main pipe assembly 8 comprises a hydraulic motor chamber and a hydraulic cylinder.
Further, the blowback pipe 6 is provided with blowback holes.
Further, the controller 15 is a programmable logic controller.
The present utility model has the following advantages over existing self-cleaning filter devices.
According to the high-efficiency self-cleaning filter device, the steel wire brush in the filter screen 5 and the blowback pipe 6 are utilized to cooperatively clean the filter screen 6, so that the filter cleaning effect is better.
According to the high-efficiency self-cleaning filter device, the controller 15 is used for monitoring the pressure difference between the inlet pressure gauge 10 and the outlet pressure gauge 12 to control the opening and closing of the air source main pipe valve 13, the whole cleaning process is automatically controlled, the filter screen can be quickly and thoroughly cleaned, manual intervention is not needed, and the maintenance cost and the operation difficulty are reduced.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "top", "bottom", "one side", "the other side", "front", "rear", "middle", "inner", "top", "bottom", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not to be construed as limitations of the present utility model, but rather, indicate or imply that the devices or elements referred to must have specific directions, be constructed and operated in specific directions, and are not to be construed as limitations of the present utility model, and that the terms "first", "second", "third" are merely used for descriptive purposes and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly specified and limited, terms "mounted", "connected" are to be construed broadly, such as being either fixedly connected, detachably connected or integrally connected, being mechanically connected, being either directly connected or indirectly connected through intermediate mediums or communicating between the inside two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a high-efficiency self-cleaning filter device, which comprises a filter valve 1, an upper end cover 2, a hydraulic motor 3, a sewage suction pipe 4, a filter screen 5, a back flushing pipe 6, a sewage collecting device 7, a main pipe assembly 8, a water inlet 9, an inlet pressure gauge 10, a water outlet 11, an outlet pressure gauge 12, an air source main pipe valve 13, a sewage discharge valve 14 and a controller 15.
The top fixedly connected with upper end cover 2 of filtering valve 1, the top fixedly connected with hydraulic motor 3 of upper end cover 2, hydraulic motor 3's output fixedly connected with dirt suction pipe 4.
The inside fixedly connected with filter screen 5 of filter valve 1, the filter screen 5 surface is provided with blowback pipe 6, blowback pipe 6 evenly is provided with 6, blowback pipe 6 is provided with diameter 2mm blowback hole, the inside wire brush that is provided with of filter screen 5, the below fixedly connected with dirt collecting device 7 of filter screen 5.
The filter valve 1 top fixedly connected with is responsible for subassembly 8, be responsible for subassembly 8 and include hydraulic motor room and pneumatic cylinder, filter valve 1 top right side is provided with water inlet 9, is provided with inlet manometer 10 on the water inlet 9, and filter valve 1 below left side is provided with delivery port 11, is provided with outlet manometer 12 on the delivery port 11.
The air source main pipe valve 13 is connected with the back-flushing pipe 6, the blow-down valve 14 is positioned at the lower part of the filter valve 1, and the controller 15 is respectively connected with the hydraulic motor 3, the inlet pressure gauge 10, the outlet pressure gauge 12, the air source main pipe valve 13 and the blow-down valve 14 through signal wires.
The utility model has the working process that the inlet pressure gauge 10 and the outlet pressure gauge 12 continuously send the inlet pressure and the outlet pressure of the filter valve 1 to the controller 15, the controller 15 calculates the pressure difference according to the inlet pressure and the outlet pressure, after the inlet pressure and the outlet pressure difference reach the set values, the controller 15 controls the hydraulic motor 3 to start and the blow-down valve 14 to be opened, the air source main pipe valve 13 is controlled to be opened to supply air into the blow-down pipe 6, the hydraulic motor 3 drives the steel wire brush on the inner surface of the filter screen 5 to rotate through the dirt suction pipe 4, the inner surface of the filter screen 5 is cleaned, and the blow-down pipe 6 carries out back blowing on the outer surface of the filter screen 5, so that the cleaning effect is further improved, and finally dirt is discharged through the blow-down valve 14.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.