Sewage pretreatment device
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a sewage pretreatment device.
Background
In the related art, before sewage is treated, because the sewage is internally provided with a plurality of sundries such as plastic bags, leaves and the like, the sundries need to be salvaged so as to avoid influencing the subsequent sewage treatment. When salvaging debris, adopt the filter to salvage debris generally, but long-time salvage, debris will pile up on the filter to be easy to block up the filter, influenced the filtration efficiency of follow-up filter.
Disclosure of utility model
In order to solve the problems, the utility model provides the sewage pretreatment device which can filter and separate impurities in sewage, clean the impurity cylinder body and avoid the influence of accumulation on the filter plate on the filtering efficiency.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides a sewage pretreatment device, includes the processing case, the opening has been seted up to one side bottom of processing case, one side bottom of processing case is provided with the collecting vat, the collecting vat is located the below of opening, processing case internal connection has the arc filter, and the bottom of arc filter is located opening department, processing case internal rotation installs the cleaning roller, be annular array on the cleaning roller and evenly be provided with multiunit arc scraper blade, the bottom of arc scraper blade and the bottom side contact setting of arc filter, be provided with the bracket on the lateral wall of processing case, install rotating electrical machines on the bracket, rotating electrical machines's output runs through processing case and cleaning roller connection setting.
As a preferable technical scheme of the utility model, the outer wall of the treatment box is provided with the sliding rails, the sliding rails are longitudinally and oppositely arranged in two groups and are positioned at two sides of the through hole, the sliding rails are connected with the plugging plates in a sliding manner, and the plugging plates are arranged in a closed fit manner with the through hole.
As a preferable technical scheme of the utility model, a protective casing is arranged on the outer side wall of the treatment box, a driving motor is arranged on the inner bottom wall of the protective casing, a threaded rod is connected to the output end of the driving motor, a threaded sleeve ring is sleeved on the threaded rod in a threaded manner, the side end of the threaded sleeve ring moves to penetrate through the side wall of the protective casing, a connecting plate is connected to the side end of the threaded sleeve ring, and the connecting plate is connected with the plugging plate.
As a preferable technical scheme of the utility model, the bottom end of the plugging plate is provided with a sealing gasket.
As a preferable technical scheme of the utility model, the top end of the side wall of the collecting tank at the position of the through hole is provided with a wedge-shaped section.
As a preferable technical scheme of the utility model, the sliding rail is arranged in an I-shaped structure.
As a preferable technical scheme of the utility model, a water outlet is arranged at the bottom of the other side of the treatment box.
Compared with the prior art, the utility model has the following beneficial effects by adopting the structure: through the setting of arc filter, sewage discharge is to handling in the case, filters through the arc filter, separates the impurity in the sewage on the arc filter, and the arc scraper blade on the reuse cleaning roller pushes the impurity on the arc filter to the opening department, in discharging the collecting vat by opening department, avoids impurity to pile up influence filtration efficiency on the arc filter.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a sewage pretreatment device according to the present utility model;
Fig. 2 is a schematic diagram of the overall structure of a sewage pretreatment device according to the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
Fig. 4 is a side sectional view of a sewage pretreatment apparatus according to the present utility model;
Fig. 5 is a schematic diagram illustrating an internal structure of a protective casing of a sewage pretreatment apparatus according to the present utility model.
Wherein, 1, a treatment box, 2, a through hole, 3, a collecting tank, 4, an arc-shaped filter plate, 5, a cleaning roller, 6, an arc-shaped scraper, 7, a bracket, 8 and a rotating motor, 9, slide rail, 10, shutoff board, 11, protective housing, 12, driving motor, 13, threaded rod, 14, threaded lantern ring, 15, linking board, 16, sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, the sewage pretreatment device provided by the utility model comprises a treatment box 1, wherein a through hole 2 is formed in the bottom end of one side of the treatment box 1, a collecting tank 3 is arranged at the bottom end of one side of the treatment box 1, a water outlet is formed in the bottom of the other side of the treatment box 1, the collecting tank 3 is positioned below the through hole 2, the top end of the side wall of the collecting tank 3, which is positioned at the through hole 2, is provided with a wedge-shaped cross section, the inside of the treatment box 1 is connected with an arc-shaped filter plate 4, the bottom end of the arc-shaped filter plate 4 is positioned at the through hole 2, a cleaning roller 5 is rotatably arranged in the treatment box 1, a plurality of groups of arc-shaped scraping plates 6 are uniformly arranged on the cleaning roller 5 in an annular array, the bottom of the arc-shaped scraping plates 6 are in contact with the bottom of the arc-shaped filter plate 4, a bracket 7 is arranged on the outer side wall of the treatment box 1, a rotary motor 8 is arranged on the bracket 7, the output end of the rotary motor 8 penetrates through the treatment box 1 and is connected with the cleaning roller 5, sewage is discharged into the treatment box 1, impurities in the arc-shaped filter plate 4 are filtered, impurities in the sewage are separated on the arc-shaped filter plate 4, then the arc-shaped filter plate 5 is rotatably drives the scraping plates 5 to rotate, a plurality of groups on the scraping plates 6 are arranged on the arc-shaped filter plate 4, and the arc-shaped filter plate 4 is prevented from being accumulated in the arc-shaped filter plate 2, and the filter plate is prevented from being discharged into the arc-shaped filter plate 2.
As shown in fig. 1-3, a sliding rail 9 is arranged on the outer wall of the treatment box 1, the sliding rail 9 is in an i-shaped structure, the sliding rail 9 is longitudinally and oppositely provided with two groups of sliding rails and is positioned at two sides of the through hole 2, the sliding rail 9 is connected with a plugging plate 10 in a sliding manner, the plugging plate 10 and the through hole 2 are in an adaptive closing manner, a sealing gasket 16 is arranged at the bottom end of the plugging plate 10, the plugging plate 10 is ensured to be kept in a sealing state when the through hole 2 is closed, and the plugging plate 10 slides on the sliding rail 9, so that the through hole 2 is opened or closed.
As shown in fig. 1, 2 and 5, a protective casing 11 is arranged on the outer side wall of the treatment box 1, a driving motor 12 is arranged on the inner bottom wall of the protective casing 11, a threaded rod 13 is connected to the output end of the driving motor 12, a threaded sleeve ring 14 is sleeved on the threaded rod 13 in a threaded manner, the side end of the threaded sleeve ring 14 moves to penetrate through the side wall of the protective casing 11, a connecting plate 15 is connected to the side end of the threaded sleeve ring 14, the connecting plate 15 is connected with a plugging plate 10, the driving motor 12 drives the threaded rod 13 to rotate, the threaded sleeve ring 14 converts the rotary motion of the threaded rod 13 into linear reciprocating motion, and the threaded sleeve ring 14 drives the plugging plate 10 to lift and slide on the sliding rail 9 through the connecting plate 15.
During specific use, sewage is discharged into the treatment box 1, the sewage is filtered through the arc-shaped filter plates 4, impurities in the sewage are separated on the arc-shaped filter plates 4, the rotating motor 8 is started, the rotating motor 8 drives the cleaning roller 5 to rotate, the arc-shaped scraping plate 6 on the cleaning roller 5 pushes the impurities on the arc-shaped filter plates 4 to the position of the through hole 2, the driving motor 12 is started, the driving motor 12 drives the threaded rod 13 to rotate, the threaded lantern ring 14 converts the rotary motion of the threaded rod 13 into linear reciprocating motion, the threaded lantern ring 14 drives the plugging plate 10 to slide on the sliding rail 9 through the connecting plate 15, the position of the through hole 2 is opened, and the impurities are discharged into the collecting tank 3 from the position of the through hole 2.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.