Multistage impurity removal device for sewage treatment

Abstract

The utility model discloses a multistage impurity removal device for sewage treatment, which comprises a sewage treatment tank and two filter frame baffles, and the two filter frame baffles are arranged in the sewage treatment tank and divide the sewage treatment tank into a first treatment cavity, a second treatment cavity and a third treatment cavity. A first filtering frame and a second filtering frame are mounted in the two filtering frame baffles correspondingly and correspond to the first treatment cavity and the second treatment cavity, filter residue collecting plates are mounted at the bottoms of one sides of the two filtering frame baffles correspondingly, and cleaning fence scrapers are arranged at the edges of the tops of the two filter residue collecting plates correspondingly; the filter residue collecting plate, the cleaning enclosure scraper and the conical scraper surface are arranged, and the first protective cover, the second protective cover and the third protective cover respectively correspond to the first treatment cavity, the second treatment cavity and the third treatment cavity, so that impurities filtered by the first filtering frame and the second filtering frame are conveniently and quickly cleaned; the cleaning effect and the cleaning quality are improved.

Description

Technical Field

[0001] The utility model relates to a multi-stage impurity removal device for sewage treatment, belonging to the technical field of sewage treatment. Background Art

[0002] At present, the sewage generated by urban production and life is also increasing year by year, especially domestic sewage. Due to the large number of pollution sources and large discharge volume, the urban sewage pipes are heavily loaded and often encounter problems of siltation and blockage. In order to prevent the blockage of sewage pipes, the prior art usually installs a primary filtering treatment device at the pollution source to perform preliminary filtering and slag removal on the sewage to reduce the pressure of subsequent sewage treatment; Patent No. CN201820517404.1 discloses a multi-stage sewage impurity removal and purification device, including a sewage cylinder, the inner cavity of the sewage cylinder is divided into a primary filter chamber, a centrifugal separation chamber, and a purification chamber from top to bottom by partition one and partition two, and multiple layers of filter plates are arranged in intervals in the primary filter chamber, and the sieve holes of the multiple layers of filter plates are gradually reduced in aperture from top to bottom, a rotating shaft is installed between partition one and partition two, and centrifugal blades are installed on the rotating shaft, an adsorption plate is provided on the inner wall of the centrifugal separation chamber, and a centrifugal motor is installed on the outer wall of the sewage cylinder, and the output end of the centrifugal motor is fixedly connected to a drive shaft, and the other end of the drive shaft is connected to the lower end of the rotating shaft through a bevel gear transmission; the utility model adopts the methods of primary filtration, centrifugal impurity removal, and curtain wall impurity removal to improve the quality of sewage purification and improve the efficiency of sewage treatment.

[0003] The disadvantages of the sewage impurity removal device of the above design are: when cleaning the impurity removal device, due to the upper and lower structure design, it cannot be cleaned effectively and quickly, and the impurity removal accuracy cannot be improved. For this reason, we design a multi-stage impurity removal device for sewage treatment. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-stage impurity removal device for sewage treatment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage impurity removal device for sewage treatment, comprising a sewage treatment tank and two filter frame baffles, the two filter frame baffles are arranged inside the sewage treatment tank and divide the sewage treatment tank into a first treatment chamber, a second treatment chamber and a third treatment chamber, the first filter frame and the second filter frame are respectively installed inside the two filter frame baffles and correspond to the first treatment chamber and the second treatment chamber, the edges of the two filter frame baffles are provided with sealing connection baffles, the two sealing connection baffles are connected to the inner wall of the sewage treatment tank, the bottom of one side of the two filter frame baffles is provided with a filter residue collecting plate, the top edge of the two filter residue collecting plates is provided with a cleaning enclosure scraper, the top of the two cleaning enclosure scrapers is provided with a conical scraper surface, and the inside of the third treatment chamber is provided with a sewage impurity removal and purification mechanism.

[0006] In the above-mentioned multi-stage impurity removal device for sewage treatment, the sewage impurity removal and purification mechanism includes a PVDF water treatment membrane, a biochar adsorption plate, and an activated carbon filter layer. The biochar adsorption plate is arranged on the top of the activated carbon filter layer, and the PVDF water treatment membrane is arranged on the top of the activated carbon filter layer.

[0007] In the above-mentioned multi-stage impurity removal device for sewage treatment, a sand and gravel enclosure frame is arranged between the PVDF water treatment membrane and the activated carbon filter layer, and the interior of the sand and gravel enclosure frame is filled with a sand and gravel filling layer.

[0008] In the above-mentioned multi-stage impurity removal device for sewage treatment, a drainage groove is arranged on one side of the top of the sewage treatment tank, and the drainage groove corresponds to the third treatment chamber. The top of the sewage treatment tank is sequentially installed with a first protective cover, a second protective cover and a third protective cover, and the first protective cover, the second protective cover and the third protective cover correspond to the first treatment chamber, the second treatment chamber and the third treatment chamber respectively.

[0009] In the above-mentioned multi-stage impurity removal device for sewage treatment, the length of the first treatment chamber is equal to the length of the second treatment chamber and is half the length of the third treatment chamber.

[0010] In the above-mentioned multi-stage impurity removal device for sewage treatment, a one-way water inlet valve is installed at the water inlet on one side of the sewage treatment tank, and a sewage discharge pipe is installed at one end of the one-way water inlet valve.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The multi-stage impurity removal device for sewage treatment of the utility model is configured such that two filter frame baffles are arranged inside the sewage treatment pool and the sewage treatment pool is divided into a first treatment chamber, a second treatment chamber and a third treatment chamber, the first filter frame and the second filter frame are respectively installed inside the two filter frame baffles and correspond to the first treatment chamber and the second treatment chamber, and a sewage impurity removal and purification mechanism is installed inside the third treatment chamber, which can fully and effectively remove impurities in the sewage, improve the sewage purification quality, and improve the efficiency of sewage treatment; by arranging a filter residue collecting plate, a cleaning enclosure scraper, and a conical scraper surface, and arranging a first protective cover, a second protective cover and a third protective cover respectively corresponding to the first treatment chamber, the second treatment chamber and the third treatment chamber, it is convenient to quickly clean the impurities filtered by the first filter frame and the second filter frame, thereby improving the cleaning effect and cleaning quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the multi-stage impurity removal device for sewage treatment of the utility model;

[0014] Figure 2It is a structural schematic diagram of the sewage impurity removal and purification mechanism of the multi-stage impurity removal device for sewage treatment of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the filter frame baffle of the multi-stage impurity removal device for sewage treatment of the utility model.

[0016] In the figure: 1. sewage treatment tank; 2. one-way water inlet valve; 3. sewage discharge pipe; 4. filter frame baffle; 5. first filter frame; 6. second filter frame; 7. sealing connection baffle; 8. PVDF water treatment membrane; 9. drainage groove; 10. first protective cover; 11. second protective cover; 12. third protective cover; 13. filter residue collection plate; 14. cleaning enclosure scraper; 15. conical scraper surface; 16. biochar adsorption plate; 17. activated carbon filter layer; 18. sand and gravel enclosure frame; 19. sand and gravel filling layer. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution for a multi-stage impurity removal device for sewage treatment:

[0019] Embodiment 1: It includes a sewage treatment pool 1 and two filter frame baffles 4, the two filter frame baffles 4 are both arranged inside the sewage treatment pool 1 and divide the sewage treatment pool 1 into a first treatment chamber, a second treatment chamber and a third treatment chamber, the length of the first treatment chamber is equal to the length of the second treatment chamber and is half of the length of the third treatment chamber, the first filter frame 5 and the second filter frame 6 are respectively installed inside the two filter frame baffles 4 and correspond to the first treatment chamber and the second treatment chamber, the edges of the two filter frame baffles 4 are provided with sealing connection baffles 7, the two sealing connection baffles 7 are connected to the inner wall of the sewage treatment pool 1, the bottom of one side of the two filter frame baffles 4 is installed with a filter residue collecting plate 13, the top edges of the two filter residue collecting plates 13 are provided with cleaning enclosure scrapers 14, the tops of the two cleaning enclosure scrapers 14 are provided with conical scraper surfaces 15, and the third treatment chamber is installed with a sewage impurity removal and purification mechanism.

[0020] like Figure 2As shown, in order to better remove impurities from sewage, improve the quality of sewage purification, and increase the efficiency of sewage treatment, the sewage impurity removal and purification mechanism includes a PVDF water treatment membrane 8, a biochar adsorption plate 16, and an activated carbon filter layer 17. The biochar adsorption plate 16 is arranged on the top of the activated carbon filter layer 17, and the PVDF water treatment membrane 8 is arranged on the top of the activated carbon filter layer 17; a sand and gravel enclosure frame 18 is arranged between the PVDF water treatment membrane 8 and the activated carbon filter layer 17, and the interior of the sand and gravel enclosure frame 18 is filled with a sand and gravel filling layer 19.

[0021] like Figure 1 As shown, in order to better discharge the sewage after impurities are removed and to facilitate the opening of the first treatment chamber, the second treatment chamber and the third treatment chamber in sequence for cleaning, a drainage groove 9 is provided on one side of the top of the sewage treatment tank 1, and the drainage groove 9 corresponds to the third treatment chamber. The top of the sewage treatment tank 1 is sequentially installed with a first protective cover 10, a second protective cover 11 and a third protective cover 12, and the first protective cover 10, the second protective cover 11 and the third protective cover 12 correspond to the first treatment chamber, the second treatment chamber and the third treatment chamber respectively.

[0022] like Figure 1 As shown, in order to facilitate access to the sewage discharge equipment, a one-way water inlet valve 2 is installed at the water inlet on one side of the sewage treatment tank 1, and a sewage discharge pipe 3 is installed at one end of the one-way water inlet valve 2.

[0023] Working principle: When the multi-stage impurity removal device of the utility model is in use, the sewage is transported to the first treatment chamber of the sewage treatment pool 1 through the sewage discharge pipe 3, enters the interior of the second treatment chamber through the primary filtration of the first filter frame 5, enters the interior of the third treatment chamber through the secondary filtration of the second filter frame 6, and then undergoes tertiary filtration through the sewage impurity removal and purification mechanism, which can fully and effectively remove impurities in the sewage, improve the sewage purification quality, and improve the efficiency of sewage treatment.

[0024] When it is necessary to clean the filter residue, the utility model sets a filter residue collecting plate 13, a cleaning enclosure scraper 14, a conical scraper surface 15, and sets a first protective cover 10, a second protective cover 11 and a third protective cover 12 corresponding to the first processing chamber, the second processing chamber and the third processing chamber respectively, so as to facilitate the rapid cleaning of impurities filtered by the first filter frame 5 and the second filter frame 6, thereby improving the cleaning effect and cleaning quality.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A multi-stage impurity removal device for sewage treatment, comprising a sewage treatment tank (1) and two filter frame baffles (4), characterized in that: The two filter frame baffles (4) are both arranged inside the sewage treatment tank (1) and divide the sewage treatment tank (1) into a first treatment chamber, a second treatment chamber and a third treatment chamber. The first filter frame (5) and the second filter frame (6) are respectively installed inside the two filter frame baffles (4) and correspond to the first treatment chamber and the second treatment chamber. The edges of the two filter frame baffles (4) are both provided with sealing connection baffles (7). The two sealing connection baffles (7) are both connected to the inner wall of the sewage treatment tank (1). The bottom of one side of the two filter frame baffles (4) is both provided with a filter residue collection plate (13). The top edges of the two filter residue collection plates (13) are both provided with a cleaning enclosure scraper (14). The top ends of the two cleaning enclosure scrapers (14) are both provided with a conical scraper surface (15). The third treatment chamber is provided with a sewage impurity removal and purification mechanism.

2. The multi-stage impurity removal device for sewage treatment according to claim 1 is characterized in that: The sewage impurity removal and purification mechanism comprises a PVDF water treatment membrane (8), a biochar adsorption plate (16), and an activated carbon filter layer (17); the biochar adsorption plate (16) is arranged on the top of the activated carbon filter layer (17); and the PVDF water treatment membrane (8) is arranged on the top of the activated carbon filter layer (17).

3. The multi-stage impurity removal device for sewage treatment according to claim 2 is characterized in that: A gravel enclosure frame (18) is provided between the PVDF water treatment membrane (8) and the activated carbon filter layer (17), and the interior of the gravel enclosure frame (18) is filled with a gravel filling layer (19).

4. The multi-stage impurity removal device for sewage treatment according to claim 1 is characterized in that: A drainage notch (9) is provided on one side of the top of the sewage treatment tank (1), and the drainage notch (9) corresponds to the third treatment chamber. A first protective cover (10), a second protective cover (11) and a third protective cover (12) are sequentially installed on the top of the sewage treatment tank (1), and the first protective cover (10), the second protective cover (11) and the third protective cover (12) correspond to the first treatment chamber, the second treatment chamber and the third treatment chamber respectively.

5. The multi-stage impurity removal device for sewage treatment according to claim 1 is characterized in that: The length of the first processing chamber is equal to the length of the second processing chamber and is half the length of the third processing chamber.

6. The multi-stage impurity removal device for sewage treatment according to claim 1 is characterized in that: A one-way water inlet valve (2) is installed at the water inlet on one side of the sewage treatment pool (1), and a sewage discharge pipe (3) is installed at one end of the one-way water inlet valve (2).

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