CN215352233U

CN215352233U - Sewage filtering device

Info

Publication number: CN215352233U
Application number: CN202023307799.9U
Authority: CN
Inventors: 刘石生
Original assignee: Guangdong Hongji Ecological Design Engineering Co Ltd
Current assignee: Guangdong Hongji Ecological Design Engineering Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-31
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a sewage filtering device which comprises a filtering box, wherein a water inlet pipe is arranged at the top of the filtering box, a water outlet pipe is arranged at the bottom of one side of the filtering box, and a filtering net is arranged in the middle of the filtering box; a waste hole is formed in the middle of the other side of the filter box and aligned with the filter screen, and the waste hole is communicated with a waste box through a waste cavity; still be equipped with scraping mechanism, scraping mechanism includes the action wheel, follows driving wheel, driving chain and scraper blade, the action wheel is located in the waste material chamber, follow driving wheel is located in the filter box, the output of rotating electrical machines is connected to the action wheel, the driving chain passes through the action wheel with from the circular motion of taking turns, the outside fixed connection of driving chain the scraper blade. The utility model improves the overall working efficiency of the filter box, and the filter screen can not reduce the filtering efficiency due to accumulation of a large amount of solid matters.

Description

Sewage filtering device

Technical Field

The utility model relates to the field of sewage treatment, in particular to a sewage filtering device.

Background

With the acceleration of the urbanization process, the discharge amount of urban sewage is rapidly increased. The severe water pollution is becoming an important factor for restricting development. The sewage treatment is an important link for treating water body pollution, and the filtration of sewage is an essential process in the sewage treatment process. The municipal wastewater is rich in solids, and most of the solids need to be removed before subsequent treatment. The filtering net is mainly used for removing solids. In the prior art, a plurality of filter screens are arranged in a filter box, sewage flows through the plurality of filter screens in sequence, and solid matters are attached to the filter screens. When the amount of sewage is large, a large amount of solid matters are rapidly accumulated on the filter screen, and the solid matters cause water flow blockage, so that the circulation rate of the sewage is greatly reduced, and the treatment efficiency is reduced. If the filter screen is to be cleaned, the working procedure is suspended, and the sewage inflow is stopped. And taking out the filter screen from the filter tank to clean or replace the filter screen, then putting the filter screen back into the filter tank, and restarting the sewage filtering work. This makes the overall operation of the prior art filter box inefficient and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a sewage filtering device, which can improve the overall working efficiency of a filtering box and prevent the filtering efficiency from being reduced due to the accumulation of a large amount of solid matters on a filtering net.

In order to achieve the purpose, the utility model provides the following technical scheme:

a sewage filtering device comprises a filtering box, wherein a water inlet pipe is arranged at the top of the filtering box, a water outlet pipe is arranged at the bottom of one side of the filtering box, and a filtering net is arranged in the middle of the filtering box; a waste hole is formed in the middle of the other side of the filter box and aligned with the filter screen, and the waste hole is communicated with a waste box through a waste cavity; the material scraping mechanism is further arranged and comprises a driving wheel, a driven wheel, a transmission chain and a scraping plate, the driving wheel is located in the waste cavity, the driven wheel is located in the filter box, the driving wheel is connected with the output end of the rotating motor, the transmission chain moves in an annular mode through the driving wheel and the driven wheel, the scraping plate is fixedly connected to the outer side of the transmission chain, and the scraping plate is driven by the transmission chain to scrape the solid on the upper surface of the filter screen into the waste cavity.

Furthermore, the driving wheel, the driven wheel and the transmission chain are respectively provided with two groups which are arranged symmetrically left and right; the driving wheels on the left side and the right side are fixedly connected through a transmission rod; the two ends of the scraper are respectively connected to the transmission chains on the left side and the right side. So set up, through the action wheel, follow driving wheel and the driving chain of controlling the setting, stability about when improving the scraper blade and making the annular motion.

Furthermore, the scraping end of the scraping plate is made of rubber materials. So set up, improve the laminating degree of scraper blade and filter screen, ensure that the scraper blade can be effectively scrapes the operation to the solid on the filter screen.

Furthermore, a dehydration mechanism is arranged in the waste cavity, and comprises a baffle plate and a pressing plate; one end of the baffle is connected with a first driving device, and the baffle blocks the solid in the waste cavity under the driving action of the first driving device; the pressing plate is positioned above the baffle, one side of the pressing plate is connected with a second driving device, one side of the waste cavity is provided with a water leakage hole, the water leakage hole is communicated with the filter box, and the water leakage hole is aligned with the pressing plate; under the driving action of the second driving device, the pressure plate moves close to/away from the water leakage hole. So set up, consider that the solid has certain water content through soaking self, directly fall into and lead to sewage fermentation easily to the dump bin and breed the germ, consequently the solid falls into earlier utilizes dehydration mechanism to extrude the dehydration to the solid before the dump bin, makes its self moisture flow into to the rose box through leaking the hole, reduces the water content, reduces the possibility that the germ was bred.

Furthermore, the lower surface of the pressing plate is attached to the upper surface of the baffle. By the arrangement, solid matters blocked by the baffle can be dehydrated by the pressing plate.

Furthermore, one side of the pressing plate, which is close to the water leakage hole, is provided with a rubber layer. So set up, but utilize elastic deformation's rubber layer to dewater the fixture, make clamp plate and fixture fully laminate the contact, effectively dewater.

Furthermore, the water leakage hole is obliquely arranged and is inclined to the bottom of the filter box. So set up, ensure by the sewage that the dehydration came out can rely on self weight along the water leakage hole inflow rose box of slope in.

Compared with the prior art, the utility model has the beneficial effects that:

the solid on the upper surface of the filter screen is scraped off by the scraping mechanism, and the solid finally reaches the waste bin through the waste hole and the waste cavity for temporary storage. The filter screen can not reduce the filtering efficiency due to accumulation of a large amount of solid matters, and the overall working efficiency of the filter box is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention (the direction of the arrow in the figure is the rotation direction of the transmission chain);

FIG. 2 is a top view of the scraping mechanism of the present invention;

the names of the components identified in the figures are as follows:

1. a filter box; 101. a water inlet pipe; 102. a water outlet pipe; 2. a filter screen; 3. a scrap hole; 4. a waste chamber; 5. a waste bin; 6. a scraping mechanism; 601. a driving wheel; 602. a driven wheel; 603. a drive chain; 604. a transmission rod; 605. a squeegee; 606. a rotating electric machine; 7. a dewatering mechanism; 701. a baffle plate; 7011. a first driving device; 702. pressing a plate; 7021. a second driving device; 8. water leakage hole

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example (b):

a sewage filtering device comprises a filtering box 1, wherein a water inlet pipe 101 is arranged at the top of the filtering box 1, a water outlet pipe 102 is arranged at the bottom of one side of the filtering box 1, and a filtering net 2 is arranged in the middle of the filtering box 1; the middle part of the other side of the filter box 1 is provided with a waste hole 3, the waste hole 3 is aligned with the filter screen 2, and the waste hole 3 is communicated with a waste box 5 through a waste cavity 4; the material scraping mechanism 6 is further arranged, the material scraping mechanism 6 comprises a driving wheel 601, a driven wheel 602, a transmission chain 603 and a scraping plate 605, the driving wheel 601 is located in the waste material cavity 4, the driven wheel 602 is located in the filter box 1, the driving wheel 601 is connected with the output end of the rotating motor 606, the transmission chain 603 moves in a circular mode through the driving wheel 601 and the driven wheel 602, the scraping plate 605 is fixedly connected to the outer side of the transmission chain 603, and the scraping plate 605 is driven by the transmission chain 603 to scrape solid matters on the upper surface of the filter screen 2 down into the waste material cavity 4.

Two groups of driving wheels 601, two groups of driven wheels 602 and two groups of transmission chains 603 are arranged symmetrically left and right; the driving wheels 601 at the left side and the right side are fixedly connected through a transmission rod 604; both ends of the scraper 605 are connected to the left and right drive chains 603, respectively. With this arrangement, the left and right stability of the squeegee 605 in the circular motion is improved by the driving pulley 601, the driven pulley 602, and the transmission chain 603 provided on the left and right sides. The driving wheels 601 at two sides are fixedly connected through the transmission rod 604, so that the rotation speed is ensured to be consistent.

The scraping end of scraper 605 is made of rubber material. So set up, improve scraper blade 605 and filter screen 2's laminating degree, ensure that scraper blade 605 can effectively scrape off the operation to the solid on the filter screen 2.

A dehydration mechanism 7 is arranged in the waste cavity 4, and the dehydration mechanism 7 comprises a baffle 701 and a pressing plate 702; one end of the baffle 701 is connected with a first driving device 7011, and under the driving action of the first driving device 7011, the baffle 701 blocks the solid in the waste cavity 4; the pressing plate 702 is positioned above the baffle 701, one side of the pressing plate 702 is connected with a second driving device 7021, one side of the waste material cavity 4 is provided with a water leakage hole 8, the water leakage hole 8 is communicated with the filter box 1, and the water leakage hole 8 is aligned with the pressing plate 702; the pressing plate 702 moves closer/farther with respect to the water leakage holes 8 by the driving action of the second driving means 7021. So set up, consider that the solid has certain water content through soaking self, directly fall into and lead to sewage fermentation easily to dump bin 5 and breed the germ, consequently the solid falls into earlier utilizes dehydration mechanism 7 to extrude the dehydration to the solid before dump bin 5, makes its self moisture flow into to rose box 1 through the hole 8 that leaks, reduces the water content, reduces the possibility that the germ was bred.

The lower surface of the pressing plate 702 is attached to the upper surface of the baffle 701. By the arrangement, solid objects blocked by the baffle 701 can be dehydrated by the pressing plate 702.

A rubber layer is arranged on one side of the pressure plate 702 close to the water leakage hole 8. By the arrangement, the elastic deformable rubber layer is used for dehydrating the fixed object, so that the pressing plate 702 is fully attached and contacted with the fixed object, and effective dehydration is carried out.

The water leakage hole 8 is obliquely arranged and is inclined to the bottom of the filter box 1. So set up, ensure that the sewage that is dehydrated out can rely on self weight along the water leakage hole 8 of slope flow in among the rose box 1.

The working principle of the embodiment is as follows:

the sewage containing solids falls into the inside of the filter tank 1 from the water inlet pipe 101, and the sewage after being filtered by the filter screen 2 falls to the bottom of the filter tank 1 and flows to the next sewage treatment process through the water outlet pipe 102, and the solids are blocked by the filter screen 2 and accumulated on the upper surface of the filter screen 2. After a certain time, the rotating motor 606 drives, the driving wheels 601 at the left and right sides fixedly connected with the transmission rod 604 notify to rotate, the transmission chains 603 at the left and right sides are driven to do circular motion through the driving wheels 601 and the driven wheels 602, the scraper 605 does circular motion along with the driving wheels, solid matter on the upper surface of the filter screen 2 is scraped off, and the solid matter passes through the waste hole 3 and the waste cavity 4 and finally reaches the waste box 5 for temporary storage. The filter screen 2 can not reduce the filtering efficiency due to accumulation of a large amount of solid matters, so that the overall working efficiency of the filter box 1 is improved.

When the solid passes through the waste cavity 4, the baffle 701 blocks the further falling of the solid, when piling up to a certain amount, the second driving device 7021 drives the pressing plate 702 to extrude the solid blocked by the baffle 701, so that the sewage inside the solid is extruded and dehydrated, and the sewage flows into the filter tank 1 through the water leakage holes 8 to reduce the water content in the solid. After the dehydration is finished, the first driving device 7011 drives the baffle plate 701 to rotate downwards to release the blocking effect on the solid, so that the dehydrated solid continuously falls down to the waste bin 5 for temporary storage.

Claims

1. A sewage filtering device is characterized in that: the water-saving filter comprises a filter box, wherein a water inlet pipe is arranged at the top of the filter box, a water outlet pipe is arranged at the bottom of one side of the filter box, and a filter screen is arranged in the middle of the filter box; a waste hole is formed in the middle of the other side of the filter box and aligned with the filter screen, and the waste hole is communicated with a waste box through a waste cavity; the material scraping mechanism is further arranged and comprises a driving wheel, a driven wheel, a transmission chain and a scraping plate, the driving wheel is located in the waste cavity, the driven wheel is located in the filter box, the driving wheel is connected with the output end of the rotating motor, the transmission chain moves in an annular mode through the driving wheel and the driven wheel, the scraping plate is fixedly connected to the outer side of the transmission chain, and the scraping plate is driven by the transmission chain to scrape the solid on the upper surface of the filter screen into the waste cavity.

2. The sewage filtration apparatus of claim 1, wherein: the driving wheel, the driven wheel and the transmission chain are respectively provided with two groups which are arranged symmetrically left and right; the driving wheels on the left side and the right side are fixedly connected through a transmission rod; the two ends of the scraper are respectively connected to the transmission chains on the left side and the right side.

3. The sewage filtration apparatus of claim 1, wherein: the scraping end of the scraping plate is made of rubber materials.

4. The sewage filtration apparatus of claim 1, wherein: a dehydration mechanism is arranged in the waste cavity and comprises a baffle plate and a pressing plate; one end of the baffle is connected with a first driving device, and the baffle blocks the solid in the waste cavity under the driving action of the first driving device; the pressing plate is positioned above the baffle, one side of the pressing plate is connected with a second driving device, one side of the waste cavity is provided with a water leakage hole, the water leakage hole is communicated with the filter box, and the water leakage hole is aligned with the pressing plate; under the driving action of the second driving device, the pressure plate moves close to/away from the water leakage hole.

5. The sewage filtration apparatus of claim 4, wherein: the lower surface of the pressing plate is attached to the upper surface of the baffle.

6. The sewage filtration apparatus of claim 4, wherein: and a rubber layer is arranged on one side of the pressing plate close to the water leakage hole.

7. The sewage filtration apparatus of claim 4, wherein: the water leakage holes are obliquely arranged and are inclined to the bottom of the filter box.