CN217340231U

CN217340231U - Filter for sewage treatment

Info

Publication number: CN217340231U
Application number: CN202122989084.4U
Authority: CN
Inventors: 徐取明
Original assignee: Hangzhou Zhongda Automation System Engineering Co ltd
Current assignee: Hangzhou Zhongda Automation System Engineering Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-09-02
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a filter for sewage treatment, including the rose box, be fixed with type W shape filter screen on the circumference inner wall on rose box upper portion, type W shape filter screen upside is equipped with and rotates the internal tooth gear ring that sets up on rose box circumference inner wall, and internal tooth gear ring is rotated by motor drive, and the interior bottom of type W shape filter screen left and right sides is provided with respectively and fixes filter screen brush and the scraper blade of internal tooth gear ring downside, and the slag discharge mouth has been seted up respectively to the bottom of type W shape filter screen left and right sides. Compared with the prior art, the method has the advantages that: the utility model discloses when filtering domestic sewage, can be with the debris deposit in the sewage to the bottom of class W shape filter screen to discharge from row's cinder notch under the effect of filter screen brush and scraper blade, then collected the collection sediment incasement, finally can be convenient is cleared up from the collection sediment incasement, thereby be difficult for appearing blocking phenomenon, and the moisture that is mingled with in the debris of collection sediment incasement also can be leached and retrieve.

Description

Filter for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically indicates a filter for sewage treatment.

Background

Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like.

The domestic sewage treatment process comprises a plurality of processes, and filtration is one of the processes. However, the filtering device for treating domestic sewage in the prior art is easy to cause blockage phenomenon during working, thereby causing much trouble to the sewage treatment process. Here, in order to solve the above problems, we propose a filter for sewage treatment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical difficulty, provide a filter for sewage treatment who is difficult for appearing blocking phenomenon.

In order to solve the technical problem, the utility model provides a technical scheme does:

a filter for sewage treatment comprises a filter box, wherein a W-shaped filter screen is fixed on the circumferential inner wall of the upper part of the filter box, an inner toothed gear ring which is rotatably arranged on the circumferential inner wall of the filter box is arranged on the upper side of the W-shaped filter screen, the inner toothed gear ring is driven to rotate by a motor, a filter screen brush and a scraper which are fixed on the lower side of the inner toothed gear ring are respectively arranged at the inner bottom of the left side and the right side of the W-shaped filter screen, slag discharge ports are respectively arranged at the bottom of the left side and the right side of the W-shaped filter screen, slag discharge channels are respectively arranged on the inner wall of the left side and the inner side of the filter box, slag discharge hoppers corresponding to the two slag discharge ports are respectively fixed at the upper ends of the two slag discharge channels, slag collection boxes communicated with the two slag discharge channels are respectively arranged on the outer wall of the left side and the right side of the filter box, and a second-stage filter screen is fixed on the circumferential inner wall of the inner bottom of the slag collection boxes, the coincidence department of slag box and rose box of second grade filter screen downside has seted up the backward flow mouth, the rose box top is provided with the inlet tube, the bottom is provided with the outlet pipe.

As the improvement, the motor is installed on the top right side of rose box, and the output shaft end of motor extends to the rose box inboard and fixedly connected with and internal tooth gear ring matched with gear. The motor is prior art and connects external power supply and control switch.

As an improvement, the top of the slag collecting box is hinged with a box cover through a hinge. Is convenient for cleaning the sundries in the slag collecting box.

As the improvement, the bottom of the filter box is provided with a supporting leg. In order to be able to place the filter stably.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses when filtering domestic sewage, can be with the debris deposit in the sewage to the bottom of class W shape filter screen to discharge from row's cinder notch under the effect of filter screen brush and scraper blade, then collected the collection sediment incasement, finally can be convenient is cleared up from the collection sediment incasement, thereby be difficult for appearing blocking phenomenon, and the moisture that is mingled with in the debris of collection sediment incasement also can be leached and retrieve.

Drawings

Fig. 1 is a schematic structural diagram of a filter for sewage treatment in a front view direction.

As shown in the figure: 1. a filter box; 2. a W-like filter screen; 3. an internal gear ring; 4. a motor; 5. a filter screen brush; 6. a squeegee; 7. a slag discharge port; 8. a slag discharge channel; 9. a slag discharge hopper; 10. a slag collection box; 11. a secondary filter screen; 12. a return port; 13. a water inlet pipe; 14. a water outlet pipe; 15. a gear; 16. and a box cover.

Detailed Description

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 are intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying drawings.

A filter for sewage treatment comprises a filter box 1, a W-shaped filter screen 2 is fixed on the circumferential inner wall of the upper part of the filter box 1 (as shown in figure 1, the cross section of the W-shaped filter screen 2 in the front view is similar to the shape of English letter W, so the named W-shaped filter screen 2 is in a disc shape in the top view direction), the upper side of the W-shaped filter screen 2 is provided with an internal gear ring 3 which is rotatably arranged on the circumferential inner wall of the filter box 1, the internal gear ring 3 is connected with the circumferential inner wall of the filter box 1 through a bearing, the internal gear ring 3 is rotated by the drive of motor 4, the interior bottom of 2 left and right sides of class W shape filter screen is provided with respectively and fixes filter screen brush 5 and scraper blade 6 at 3 downside of internal gear ring, filter screen brush 5 and scraper blade 6 respectively with 2 inner walls of class W shape filter screen between swing joint, the scum mouth 7 has been seted up respectively to the bottom of 2 left and right sides of class W shape filter screen. Specifically, motor 4 installs on the top right side of rose box 1, and motor 4's output shaft end extends to 1 inboard just fixedly connected with of rose box and 3 matched with gears 15 of internal tooth gear ring.

Be provided with slag discharging channel 8 on the 1 left and right sides inner wall of rose box respectively, two slag discharging channel 8's upper end is fixed with respectively and arranges sediment fill 9 corresponding with two rows of cinder notch 7, arranges sediment fill 9 can be more convenient receipt from row cinder notch 7 exhaust sand grain, be provided with respectively on the 1 left and right sides outer wall of rose box 10 that is linked together with two rows of cinder channels 8, be fixed with second grade filter screen 11 on the circumference inner wall that collection sediment case 10 is close to interior bottom department, return opening 12 has been seted up to the coincidence department of collection sediment case 10 of second grade filter screen 11 downside and rose box 1, rose box 1 top is provided with inlet tube 13, the bottom is provided with outlet pipe 14. The top of the slag collecting box 10 is hinged with a box cover 16 through a hinge. And supporting legs are arranged at the bottom of the filter box 1.

It is worth mentioning that the novel filtering device in the domestic sewage treatment process is only improved, and the procedures of precipitation and the like before the filtering procedure and the procedures of disinfection and the like after the filtering are the prior art.

When the utility model is implemented, domestic sewage enters the filter box 1 from the water inlet pipe 13, is filtered by the W-shaped filter screen 2 and is finally discharged from the water outlet pipe 14, in the process, sundries in the domestic sewage are remained on the upper side of the W-shaped filter screen 2 and are finally deposited at the bottom of the W-shaped filter screen 2 under the action of flowing and scouring of the domestic sewage, the motor 4 drives the filter screen brush 5 and the scraper 6 to do circular motion on the upper surface of the W-shaped filter screen 2, so that the sundries deposited at the bottom of the W-shaped filter screen 2 are cleaned to the residue discharge port 7 and are discharged from the W-shaped filter screen 2, the sundries are collected into the residue collection box 10 along the residue discharge channel 8, the secondary filter screen 11 can drain the water in the sundries (the water in the sundries comprises two parts, one part is a small amount of water adhered to the surface of the sundries, the other part is the domestic sewage which is directly leaked from the W-shaped filter screen 2 into the residue discharge channel 8 and finally enters the residue collection box 10, the domestic sewage is large in component), the drained sewage flows back into the filter box 1 from the return port 12 and is finally discharged from the water outlet pipe 14, after the sewage filtering mining operation is suspended for a period of time, a worker can open the box cover 16 and clear impurities in the slag collecting box 10, and then the filter can filter the domestic sewage for a long time.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, 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

1. A filter for sewage treatment, characterized in that: comprises a filter box (1), a W-shaped filter screen (2) is fixed on the circumferential inner wall of the upper part of the filter box (1), an inner gear ring (3) which is rotatably arranged on the circumferential inner wall of the filter box (1) is arranged on the upper side of the W-shaped filter screen (2), the inner gear ring (3) is driven by a motor (4) to rotate, a filter screen brush (5) and a scraper (6) which are fixed on the lower side of the inner gear ring (3) are respectively arranged at the inner bottom of the left side and the right side of the W-shaped filter screen (2), slag discharge openings (7) are respectively arranged at the bottom of the left side and the right side of the W-shaped filter screen (2), slag discharge channels (8) are respectively arranged on the inner walls of the left side and the right side of the filter box (1), slag discharge hoppers (9) corresponding to the two slag discharge openings (7) are respectively fixed at the upper ends of the slag discharge channels (8), slag collection boxes (10) which are communicated with the two slag discharge channels (8) are respectively arranged on the outer walls of the left side and the left side of the filter box (1), a secondary filter screen (11) is fixed on the circumferential inner wall of the slag collection box (10) close to the inner bottom, a backflow port (12) is formed in the overlapping position of the slag collection box (10) on the lower side of the secondary filter screen (11) and the filter box (1), a water inlet pipe (13) is arranged at the top of the filter box (1), and a water outlet pipe (14) is arranged at the bottom of the filter box.

2. A filter for wastewater treatment according to claim 1, characterized in that: the motor (4) is installed on the right side of the top of the filter box (1), and the output shaft end of the motor (4) extends to the inner side of the filter box (1) and is fixedly connected with a gear (15) matched with the internal tooth gear ring (3).

3. A filter for wastewater treatment according to claim 1, characterized in that: the top of the slag collecting box (10) is hinged with a box cover (16) through a hinge.

4. A filter for wastewater treatment according to claim 1, characterized in that: the bottom of the filter box (1) is provided with a supporting leg.