CN219507738U - Organic wastewater pretreatment device - Google Patents

Abstract

The utility model provides an organic wastewater pretreatment device, which relates to the technical field of wastewater treatment and comprises a filtering cavity and a stirring cavity which are communicated in a closed manner; a driving motor is fixed below the stirring cavity; the output end of the driving motor is connected with a rotating shaft; the other end of the rotating shaft is coaxially provided with a first gear; the first gear is meshed with a second gear, and the second gear is coaxially connected with a screw rod; the screw rod extends into the filter cavity; a filter screen is arranged on one side wall of the filter cavity; the filter screen is arranged above the screw; an opening is arranged on one side wall of the filter cavity opposite to the filter screen; a collecting box is arranged on one side, close to the opening, of the outside of the filter cavity; the filter screen extends from the opening into the collecting box outside the filter cavity; a slag scraping plate is movably sleeved on the filter screen; the slag scraping plate is meshed with the screw rod. The utility model can solve the problem of complicated cleaning of the filter plate in the prior art, and achieves the beneficial effects of saving time and labor and automatically cleaning the filter plate.

Description

Organic wastewater pretreatment device

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to an organic wastewater pretreatment device.

Background

The wastewater treatment is a process for enabling wastewater to reach the quality of water discharged to a certain water body or reused, and the wastewater is required to be purified, and the wastewater treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and is increasingly driven into daily life of common people, and important links of the wastewater treatment are in wastewater treatment plants. The existing wastewater treatment device, such as a spray painting organic wastewater treatment device disclosed in the utility model of Chinese patent application number 202020555744.0, filters particles from wastewater through a filter plate, then carries out subsequent treatment on the wastewater, can conveniently remove the filter plate out of the wastewater treatment device to clean scum through the matching of parts such as a motor, a wind-up roll and the like, improves the filtering and is over-filtered, but still needs manual operation of a worker for cleaning the filter plate, and the mode is complicated and inconvenient.

Disclosure of Invention

Aiming at the problems, the utility model provides the organic wastewater pretreatment device which can solve the problem of complicated cleaning of the filter plate in the prior art, and achieves the beneficial effects of saving time and labor and automatically cleaning the filter plate.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an organic wastewater pretreatment device which is characterized by comprising a filter cavity and a stirring cavity which are communicated in a closed manner; the filter cavity is arranged above the stirring cavity; a driving motor is fixed below the stirring cavity; the output end of the driving motor is connected with a rotating shaft; the rotating shaft vertically penetrates through the stirring cavity; a first gear is coaxially arranged at one end of the rotating shaft, which is far away from the driving motor; a second gear is meshed with the first gear; the second gear axis is perpendicular to the first gear axis; the second gear is coaxially connected with a screw rod; the screw rod extends into the filter cavity; a filter screen is arranged on one side wall of the interior of the filter cavity; the filter screen is arranged above the screw; an opening is formed in one side wall, opposite to the filter screen, of the filter cavity; a collecting box is arranged on one side, close to the opening, of the outside of the filter cavity; the filter screen extends from the opening into a collection box outside the filter cavity; a slag scraping plate is movably sleeved on the filter screen; the slag scraping plate is meshed with the screw rod.

In the organic wastewater pretreatment device provided by the utility model, preferably, the rotating shaft is provided with a plurality of stirring blades; all stirring blades are uniformly arranged around the rotating shaft; the stirring blade is inclined downwards from the part, connected with the rotating shaft, of the stirring blade to the tail end of the stirring blade; all stirring blades have the same included angle with the rotating shaft.

The organic wastewater pretreatment device provided by the utility model preferably further comprises an ozone generator; the ozone generator is arranged at the outer side of the stirring cavity; the ozone generator is communicated with the inside of the stirring cavity through a pipeline.

In the organic wastewater pretreatment device provided by the utility model, preferably, a guide plate is arranged in the stirring cavity; the guide plate is arranged around the rotating shaft; a water outlet is formed in the bottom of the stirring cavity; the guide plate is obliquely arranged along the rotating shaft towards the water outlet.

The technical scheme has the following advantages or beneficial effects:

the utility model provides an organic wastewater pretreatment device which comprises a filtering cavity and a stirring cavity which are communicated in a closed manner; the filter cavity is arranged above the stirring cavity; a driving motor is fixed below the stirring cavity; the output end of the driving motor is connected with a rotating shaft; the rotating shaft vertically penetrates through the stirring cavity; a first gear is coaxially arranged at one end of the rotating shaft, which is far away from the driving motor; a second gear is meshed with the first gear; the second gear axis is perpendicular to the first gear axis; the second gear is coaxially connected with a screw rod; the screw rod extends into the filter cavity; a filter screen is arranged on one side wall of the interior of the filter cavity; the filter screen is arranged above the screw; an opening is formed in one side wall, opposite to the filter screen, of the filter cavity; a collecting box is arranged on one side, close to the opening, of the outside of the filter cavity; the filter screen extends from the opening into a collection box outside the filter cavity; a slag scraping plate is movably sleeved on the filter screen; the slag scraping plate is meshed with the screw rod. The organic wastewater pretreatment device provided by the utility model can solve the problem of complicated cleaning of the filter plate in the prior art, and achieves the beneficial effects of time saving, labor saving and automatic cleaning of the filter plate.

Drawings

The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic view of an organic wastewater pretreatment apparatus according to embodiment 1 of the present utility model.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model.

Example 1:

as shown in fig. 1, the organic wastewater pretreatment device provided by the embodiment of the utility model comprises a filter cavity 1 and a stirring cavity 2 which are communicated in a sealing manner; the filter cavity 1 is arranged above the stirring cavity 2; a driving motor 3 is fixed below the stirring cavity 2; the output end of the driving motor 3 is connected with a rotating shaft 41; the rotating shaft 41 vertically penetrates through the stirring cavity 2; the end of the rotating shaft 41 far away from the driving motor 3 is coaxially provided with a first gear 5; the first gear 5 is meshed with a second gear 6; the axis of the second gear 6 is perpendicular to the axis of the first gear 5; the second gear 6 is coaxially connected with a screw rod 7; the screw rod 7 extends into the filter cavity 1; a filter screen 8 is arranged on one side wall of the interior of the filter cavity 1; the filter screen 8 is arranged above the screw rod 7; an opening is arranged on one side wall of the filter cavity 1 opposite to the filter screen 8; a collecting box 10 is arranged on one side, close to the opening, of the outside of the filter cavity 1; the filter screen 8 extends from the opening into a collection box 10 outside the filter cavity 1; a slag scraping plate 9 is movably sleeved on the filter screen 8; the scum plate 9 is meshed with the screw rod 7. When the embodiment works, waste water firstly passes through the filter cavity, solid garbage large particles and the like in the waste water are separated through the filter screen 8, then the waste water enters the stirring cavity 1, the driving motor 1 is started, the driving motor 1 drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the first gear 5 to rotate, the second gear 6 meshed with the first gear drives the screw rod 7 to rotate, the slag scraping plate 9 meshed with the screw rod 7 moves along the screw rod 7, so that the slag scraping plate 9 scrapes and cleans the solid garbage remained on the filter screen 8, the solid garbage is discharged into the collecting box 10 outside the filter cavity 1 through the opening of the filter cavity 1, after the cleaning of the filter screen 8 is completed once, the rotating direction of the driving motor 1 can be changed, and the slag scraping plate 9 returns to the initial position along the screw rod 7 to clean and scrape the solid garbage next time. This embodiment cooperates through screw rod 7 and the scraping plate 9 that driving motor 1 drove, realizes the automatic clearance to filter screen 8, has avoided dismantling the loaded down with trivial details operation of clearance to filter screen 8, and stirring chamber 1 and filter chamber 2 use same motor, accomplish the stirring of waste water simultaneously and handle and the clearance of filter screen, improved whole work efficiency and reduced the energy consumption.

The organic wastewater pretreatment device provided by the embodiment of the utility model effectively solves the complicated step that the wastewater treatment filter screen in the prior art needs manual cleaning operation by personnel, realizes the automatic cleaning operation of the filter screen while wastewater treatment, saves labor time and improves the overall efficiency.

In a preferred embodiment of the present embodiment, an ozone generator 11 is also included; the ozone generator 11 is arranged outside the stirring cavity 2; the ozone generator 11 is communicated with the inside of the stirring cavity 2 through a pipeline; when the wastewater enters the stirring cavity after being filtered by the filter cavity 1, the ozone generator 11 is opened after the wastewater is filtered, and ozone in the ozone generator 11 is discharged into the wastewater in the stirring cavity through a pipeline, so that the wastewater is subjected to oxygen blasting operation, and the wastewater is disinfected; the rotating shaft 41 is provided with a plurality of stirring blades 42; all stirring blades 42 are uniformly arranged around the rotating shaft 41; the stirring blade 42 is inclined downward from a portion of the stirring blade 42 connected to the rotation shaft 41 toward the tip of the stirring blade 42; the included angles between all stirring blades 42 and the rotating shaft 41 are the same; the inclined stirring blades can enable the waste water to be mixed with the ozone more fully and thoroughly, improve the oxygen explosion efficiency of the ozone on the waste water, and effectively reduce the bacterial concentration in the waste water.

In order to facilitate the wastewater after the stirring treatment to be discharged out of the stirring cavity 2, in the embodiment, a deflector 12 is arranged in the stirring cavity 2; the baffle 12 is disposed around the rotation shaft 41; the bottom of the stirring cavity 2 is provided with a water outlet; the baffle 12 is inclined along the rotation shaft 41 toward the drain port. The arrangement of the guide plate 12 can enable the wastewater after the oxygen blasting operation to be discharged out of the stirring cavity more thoroughly, and the residue in the stirring cavity is reduced.

In summary, the organic wastewater pretreatment device provided by the utility model effectively solves the problem of complicated cleaning of the filter plate, and achieves the beneficial effects of time saving, labor saving and automatic cleaning of the filter plate.

Those skilled in the art will appreciate that the above-described modifications may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and are not described herein. Such modifications do not affect the essence of the present utility model, and are not described herein.

The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present utility model, which do not affect the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (4)

1. The organic wastewater pretreatment device is characterized by comprising a filter cavity and a stirring cavity which are communicated in a sealing way; the filter cavity is arranged above the stirring cavity;

a driving motor is fixed below the stirring cavity; the output end of the driving motor is connected with a rotating shaft; the rotating shaft vertically penetrates through the stirring cavity; a first gear is coaxially arranged at one end of the rotating shaft, which is far away from the driving motor; a second gear is meshed with the first gear; the second gear axis is perpendicular to the first gear axis; the second gear is coaxially connected with a screw rod; the screw rod extends into the filter cavity;

a filter screen is arranged on one side wall of the interior of the filter cavity; the filter screen is arranged above the screw; an opening is formed in one side wall, opposite to the filter screen, of the filter cavity; a collecting box is arranged on one side, close to the opening, of the outside of the filter cavity; the filter screen extends from the opening into a collection box outside the filter cavity; a slag scraping plate is movably sleeved on the filter screen; the slag scraping plate is meshed with the screw rod.

2. The apparatus for pretreatment of organic wastewater according to claim 1, wherein a plurality of stirring blades are provided on the rotating shaft; all stirring blades are uniformly arranged around the rotating shaft; the stirring blade is inclined downwards from the part, connected with the rotating shaft, of the stirring blade to the tail end of the stirring blade; all stirring blades have the same included angle with the rotating shaft.

3. The organic wastewater pretreatment device of claim 1, further comprising an ozone generator; the ozone generator is arranged at the outer side of the stirring cavity; the ozone generator is communicated with the inside of the stirring cavity through a pipeline.

4. The apparatus for pretreatment of organic wastewater according to claim 1, wherein a baffle is provided in the stirring chamber; the guide plate is arranged around the rotating shaft; a water outlet is formed in the bottom of the stirring cavity; the guide plate is obliquely arranged along the rotating shaft towards the water outlet.