Sewage treatment tank for wastewater purification

Abstract

The invention relates to the technical field of wastewater purification, and discloses a sewage treatment tank for wastewater purification, which comprises pretreatment mechanisms connected in sequence, a filtering mechanism; a disinfection mechanism; the pretreatment mechanism comprises a first treatment tank, a grid mesh filter assembly is mounted in the first treatment tank, and the grid mesh filter assembly comprises a rotationally arranged grid mesh filter plate; through the design of the filtering mechanism, a multi-layer filtering mode and a backwashing type self-cleaning technology are adopted, pollutants such as suspended solids, organic matters and heavy metals in wastewater can be effectively removed, and the manual maintenance cost can be reduced, the risk of filter screen blockage can be reduced and the service life of equipment can be prolonged through the impurity self-cleaning mode; through the design of the disinfection mechanism, after pollutants are treated, ultraviolet lamp sterilization and disinfection treatment is carried out on the sewage, meanwhile, stirring equipment is matched, the sewage disinfection effect is guaranteed, and it is ensured that the water quality of the treated sewage reaches the standard.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater purification, in particular to a sewage treatment pool for wastewater purification. Background Art

[0002] Wastewater purification is the process of converting wastewater containing pollutants into water resources that meet discharge standards or can be reused through a series of treatment methods. This process is based on the principles of mass conservation and energy balance, and aims to remove or transform suspended matter, dissolved matter, organic matter, heavy metals, pathogens and other harmful substances in wastewater to purify water quality.

[0003] After searching, the patent with application number CN201220533719.8 discloses a sewage treatment pool, which belongs to the field of wastewater treatment application. The utility model includes three chambers: a decontamination chamber, a purification chamber and a water storage chamber. A water inlet connected to the sewage pipe is arranged on one side of the decontamination chamber, and a through port connected to the purification chamber is arranged on the other side, so that the sewage after decontamination can enter the purification chamber. A decontamination grid is also arranged on the upper part of the decontamination chamber, and a filter is arranged on the grid. An inclined platform is arranged at the lower part of the decontamination chamber, so that impurities can slide into the impurity collection port at the lower part of the inclined platform; a plurality of rotating nozzles are arranged on the upper part of the decontamination chamber for uniform spraying of the purification agent, and a groove is arranged at the lower part, and a fine mesh filter is arranged on the groove to further purify impurities; a partition is arranged between the decontamination chamber and the water storage chamber, and a plurality of water outlets are arranged on the partition, and the water outlet also includes a baffle; the water storage chamber is provided with a water outlet. The utility model has a simple structure, low use cost, excellent water discharge effect, and is particularly suitable for small factories or families.

[0004] The current sewage treatment pool has a simple filtering structure, and its filtering effect on pollutants such as particulate matter, suspended matter, organic matter, heavy metals, etc. in sewage is not comprehensive enough. In addition, the particulate pollutants after filtration need to be frequently and regularly cleaned manually, otherwise the filter holes will be clogged, reducing the filtering effect on sewage. Therefore, we need to propose a sewage treatment pool for wastewater purification. Summary of the invention

[0005] The purpose of the present invention is to provide a sewage treatment pool for wastewater purification. Through the design of the filtering mechanism, the multi-layer filtration method and the backwashing self-cleaning technology are adopted to effectively remove suspended matter, organic matter, heavy metals and other pollutants in the wastewater, and the self-cleaning impurities method can reduce the labor maintenance cost, reduce the risk of filter clogging, and extend the service life of the equipment; through the design of the disinfection mechanism, after the pollutant treatment is completed, the sewage is sterilized and disinfected by ultraviolet light, and at the same time, the stirring equipment is used to ensure the sewage disinfection effect and ensure that the treated sewage water quality meets the standards, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a sewage treatment pool for wastewater purification, comprising

[0007] A pre-treatment mechanism for removing large suspended solids from sewage and separating sludge from wastewater by gravity sedimentation;

[0008] A filtering mechanism that removes particulate matter, organic matter, odor, and heavy metals from sewage by filtering;

[0009] Disinfection mechanism that uses ultraviolet light to kill microbial contaminants in sewage;

[0010] The pretreatment mechanism comprises a first treatment tank, wherein a grid filter assembly is installed inside the first treatment tank, and the grid filter assembly comprises a rotatably arranged grid filter plate;

[0011] The filtering mechanism includes a second treatment tank, and a filter plate assembly is arranged inside the second treatment tank. The filter plate assembly includes a first frame, a second frame, and a third frame arranged in sequence from top to bottom. A filter screen is installed on the first frame, an activated carbon plate is installed on the second frame, and a nano-composite plate is installed on the third frame.

[0012] Preferably, the grid filter assembly also includes four fixed plates installed on the sides of the first treatment tank, a first rotating shaft is rotatably installed between two corresponding fixed plates, and a first motor connected to the first rotating shaft is installed on the side of one of the fixed plates.

[0013] Preferably, a transmission roller is sleeved on the outer wall of the first rotating shaft, and a grid filter plate for filtering out large suspended particles is transmission-connected between the two transmission rollers.

[0014] Preferably, a through hole is provided on the side of the first treatment tank, and the end of the grid filter plate passes through the through hole and is located outside the first treatment tank. A water inlet is also provided on the top of the first treatment tank.

[0015] Preferably, a support frame for supporting the filter plate assembly is installed on the inner wall of the second treatment tank, and the first frame, the second frame and the third frame are connected by support columns.

[0016] Preferably, a waste hopper for collecting particulate matter is installed below the first frame, a drainage hole is provided on the side wall of the waste hopper, and a lower portion of one end of the filter screen is in contact with a top portion of one side of the waste hopper.

[0017] Preferably, the second treatment tank is further provided with a backwash cleaning assembly close to the filter screen, a groove is provided on one side of the outer wall of the second treatment tank, and a through hole communicating with the groove is provided on the inner wall of the second treatment tank;

[0018] The backwash cleaning assembly comprises a water storage box and a plurality of nozzles connected to the water storage box. The water storage box is installed inside the groove, and the nozzles are installed inside the through hole.

[0019] Preferably, the disinfection mechanism comprises a third treatment tank, and a waterproof ultraviolet lamp and a stirring component are installed inside the third treatment tank.

[0020] Preferably, the stirring assembly includes a second motor installed at the bottom of the third treatment tank and a second rotating shaft located inside the third treatment tank, the output shaft of the second motor is connected to the bottom of the second rotating shaft, and stirring blades are installed on the outer wall of the second rotating shaft.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention adopts multi-layer filtration and backwashing self-cleaning technology through the design of the filtering mechanism, which can effectively remove pollutants such as suspended matter, organic matter, heavy metals, etc. in the wastewater, and the self-cleaning impurities method can reduce the manual maintenance cost, reduce the risk of filter blockage, and extend the service life of the equipment;

[0023] 2. The present invention adopts the design of the disinfection mechanism. After the pollutants are treated, the sewage is sterilized and disinfected by ultraviolet light. At the same time, the stirring equipment is used to ensure the sewage disinfection effect and ensure that the treated sewage water quality meets the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the pretreatment mechanism of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the filtering mechanism of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the disinfection mechanism of the present invention;

[0028] Figure 5 It is a schematic structural diagram of the filter plate assembly of the present invention.

[0029] In the figure: 100, pretreatment mechanism; 200, filtering mechanism; 300, disinfection mechanism; 11, first treatment tank; 12, water inlet; 13, through hole; 14, fixing plate; 15, first motor; 16, first rotating shaft; 17, grid filter plate; 21, second treatment tank; 22, first cover plate; 23, groove; 24, through hole; 25, backwash cleaning assembly; 26, filter plate assembly; 261, first frame; 262, second frame; 263, third frame; 264, support frame; 31, third treatment tank; 32, second cover plate; 33, waterproof ultraviolet lamp; 34, second motor; 35, second rotating shaft; 36, stirring blade; 41, filter screen; 42, activated carbon plate; 43, nano-composite plate; 5, waste hopper; 6, support column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-5 The present invention provides a technical solution: a sewage treatment pool for wastewater purification, comprising

[0032] A pretreatment mechanism 100 for removing large suspended solids in sewage and separating sludge from wastewater by gravity sedimentation;

[0033] The pretreatment mechanism 100 includes a first treatment tank 11, and a grid filter assembly is installed inside the first treatment tank 11. The grid filter assembly includes a rotatably arranged grid filter plate 17. The grid filter plate 17 is made of a rust-proof and corrosion-resistant metal grid; the grid filter plate 17 can effectively block large particles in the sewage from being suspended (such as plastic bags, branches, etc.).

[0034] The grid filter assembly also includes four fixed plates 14 installed on the sides of the first treatment tank 11. The four fixed plates 14 are installed in pairs on two non-adjacent sides of the first treatment tank 11, and the four fixed plates 14 are installed at the same height. A first rotating shaft 16 is rotatably installed between two corresponding fixed plates 14, and a first motor 15 connected to the first rotating shaft 16 is installed on the side of one of the fixed plates 14.

[0035] A transmission roller is sleeved on the outer wall of the first rotating shaft 16, and a grid filter plate 17 for filtering out large suspended particles is transmission-connected between the two transmission rollers.

[0036] The first motor 15 drives the first rotating shaft 16 to rotate, and the first rotating shaft 16 drives the mesh filter plate 17 to operate through the transmission roller. The suspended matter (plastic bags, branches, etc.) in the sewage falls on the mesh filter plate 17 and is transported out of the through hole 13 and falls to the outside of the first treatment tank 11. The sewage falls to the bottom of the first treatment tank 11.

[0037] A through hole 13 is provided on the side of the first treatment tank 11, and the end of the grid filter plate 17 passes through the through hole 13 and is located outside the first treatment tank 11, so that the blocked suspended matter is conveniently sent out of the first treatment tank 11. A water inlet 12 is also provided on the top of the first treatment tank 11, and the water inlet 12 is configured as a funnel-shaped water inlet.

[0038] A filtering mechanism 200 for removing particulate matter, organic matter, odor, and heavy metals from sewage by filtering;

[0039] The filtering mechanism 200 includes a second treatment tank 21, and a filter plate assembly 26 is arranged inside the second treatment tank 21. The outer wall of the filter plate assembly 26 is in contact with the inner wall of the second treatment tank 21. The filter plate assembly 26 includes a first frame 261, a second frame 262, and a third frame 263 arranged from top to bottom. A filter screen 41 is installed on the first frame 261, an activated carbon plate 42 is installed on the second frame 262, and a nano-composite plate 43 is installed on the third frame 263.

[0040] The filter screen 41 performs coarse filtering on the sewage to remove larger particle pollutants, the activated carbon plate 42 serves as an adsorption layer to remove organic matter and odor, and the nano-composite plate 43 can adsorb heavy metals and tiny particles in the sewage.

[0041] A support frame 264 for supporting the filter plate assembly 26 is installed on the inner wall of the second treatment tank 21 , and the first frame 261 , the second frame 262 , and the third frame 263 are connected by support columns 6 .

[0042] A waste hopper 5 for collecting particles washed down by the backwash cleaning assembly 25 is installed below the first frame 261 . A drainage hole is provided on the side wall of the waste hopper 5 . The lower part of one end of the filter screen 41 contacts the top of one side of the waste hopper 5 .

[0043] The second treatment tank 21 is also provided with a backwash cleaning assembly 25 close to the filter screen 41. A groove 23 is provided on one side of the outer wall of the second treatment tank 21. A through hole 24 communicating with the groove 23 is provided on the inner wall of the second treatment tank 21.

[0044] The backwash cleaning assembly 25 includes a water storage box and a plurality of nozzles connected to the water storage box. The water storage box is installed inside the groove 23 , and the nozzles are installed inside the through hole 24 .

[0045] When the sewage is coarsely filtered by the filter 41 , larger particle pollutants are retained on the filter 41 . The backwash cleaning component 25 is operated, and clean water is pumped into the water storage box and sprayed out from the nozzle. The sprayed water then impacts the larger particle pollutants on the filter 41 and flushes them into the interior of the waste hopper 5 .

[0046] A disinfection mechanism 300 for killing microbial contaminants in sewage using ultraviolet light;

[0047] The disinfection mechanism 300 includes a third treatment tank 31, and a waterproof ultraviolet lamp 33 and a stirring assembly are installed inside the third treatment tank 31. The inner wall of each side of the third treatment tank 31 is equipped with a waterproof ultraviolet lamp 33, which can effectively kill most microorganisms (bacteria, viruses, parasites, etc.) in a short time.

[0048] The stirring assembly includes a second motor 34 installed at the bottom of the third treatment tank 31 and a second rotating shaft 35 located inside the third treatment tank 31 . The output shaft of the second motor 34 is connected to the bottom of the second rotating shaft 35 . A stirring blade 36 is installed on the outer wall of the second rotating shaft 35 .

[0049] The second motor 34 drives the second rotating shaft 35 to rotate, and the second rotating shaft 35 drives the stirring blade 36 to rotate, thereby stirring the sewage.

[0050] The pretreatment mechanism 100, the filtering mechanism 200, and the disinfection mechanism 300 are connected by pipelines, and the pipelines include a pipeline 1 connected between the pretreatment mechanism 100 and the filtering mechanism 200, and a pipeline 2 connected between the filtering mechanism 200 and the disinfection mechanism 300;

[0051] A first cover plate 22 is installed on the second treatment tank 21, and a second cover plate 32 is installed on the third treatment tank 31. One end of pipe one is located inside the first treatment tank 11, and the other end of pipe one passes through the first cover plate 22 and is located inside the second treatment tank 21. One end of pipe two is located inside the second treatment tank 21, and the other end of pipe two passes through the second cover plate 32 and is located inside the third treatment tank 31, and a drain outlet is provided at the lower end of one side of the third treatment tank 31.

[0052] When in use, the sewage to be treated is poured into the first treatment tank 11 from the water inlet 12, and the first motor 15 in the mesh filter assembly is operated at the same time, the first motor 15 drives the first rotating shaft 16 to rotate, and the first rotating shaft 16 drives the mesh filter plate 17 to operate through the transmission roller, and the suspended matter (plastic bags, branches, etc.) in the sewage falls on the mesh filter plate 17, and is transported out of the through hole 13 and falls outside the first treatment tank 11, and the sewage falls to the bottom of the first treatment tank 11;

[0053] Then the sewage is pumped into the second treatment tank 21 through the pipe 1, and the sewage falls on the filter plate assembly 26, wherein the filter screen 41 performs coarse filtering on the sewage to remove larger particle pollutants, the activated carbon plate 42 acts as an adsorption layer to remove organic matter and odor, and the nano-composite plate 43 can adsorb heavy metals and tiny particles in the sewage;

[0054] Finally, the filtered sewage is pumped into the third treatment tank 31 through pipe 2. The waterproof ultraviolet lamp 33 in the third treatment tank 31 disinfects the sewage and can effectively kill most microorganisms (bacteria, viruses, parasites, etc.) in a short time. The stirring component is used to enhance the fluidity of the sewage and ensure the killing effect of the waterproof ultraviolet lamp 33 on microorganisms. The second motor 34 drives the second rotating shaft 35 to rotate, and the second rotating shaft 35 drives the stirring blade 36 to rotate to achieve stirring of the sewage. Finally, the sewage that meets the inspection standards can be discharged directly.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment tank for wastewater purification, characterized in that: Including sequentially connected A pretreatment mechanism (100) for removing large suspended solids in sewage and separating sludge from wastewater by gravity sedimentation; A filtering mechanism (200) for removing particulate matter, organic matter, odor, and heavy metals from sewage by filtering; A disinfection mechanism (300) for killing microbial contaminants in sewage using ultraviolet light; The pretreatment mechanism (100) comprises a first treatment tank (11), a grid filter assembly is installed inside the first treatment tank (11), and the grid filter assembly comprises a rotatably arranged grid filter plate (17); The filtering mechanism (200) comprises a second treatment tank (21), a filter plate assembly (26) is arranged inside the second treatment tank (21), and the filter plate assembly (26) comprises a first frame (261), a second frame (262), and a third frame (263) which are arranged in sequence from top to bottom, a filter screen (41) is installed on the first frame (261), an activated carbon plate (42) is installed on the second frame (262), and a nano-composite plate (43) is installed on the third frame (263).

2. A sewage treatment pool for wastewater purification according to claim 1, characterized in that: The grid filter assembly also includes four fixed plates (14) installed on the side of the first treatment tank (11), a first rotating shaft (16) is rotatably installed between two corresponding fixed plates (14), and a first motor (15) connected to the first rotating shaft (16) is installed on the side of one of the fixed plates (14).

3. A sewage treatment pool for wastewater purification according to claim 2, characterized in that: A transmission roller is sleeved on the outer wall of the first rotating shaft (16), and a grid filter plate (17) for filtering out large suspended particles is transmission-connected between the two transmission rollers.

4. A sewage treatment pool for wastewater purification according to claim 3, characterized in that: A through hole (13) is provided on the side of the first treatment pool (11), and the end of the grid filter plate (17) passes through the through hole (13) and is located outside the first treatment pool (11). A water inlet (12) is also provided on the top of the first treatment pool (11).

5. A sewage treatment pool for wastewater purification according to claim 1, characterized in that: A support frame (264) for supporting the filter plate assembly (26) is installed on the inner wall of the second treatment tank (21), and the first frame (261), the second frame (262), and the third frame (263) are connected by support columns (6).

6. A sewage treatment pool for wastewater purification according to claim 1, characterized in that: A waste hopper (5) for collecting particulate matter is installed below the first frame (261), a drainage hole is provided on the side wall of the waste hopper (5), and a lower portion of one end of the filter screen (41) contacts a top portion of one side of the waste hopper (5).

7. A sewage treatment pool for wastewater purification according to claim 1, characterized in that: The second treatment tank (21) is also provided with a backwash cleaning assembly (25) close to the filter screen (41); a groove (23) is provided on one side of the outer wall of the second treatment tank (21); and a through hole (24) communicating with the groove (23) is provided on the inner wall of the second treatment tank (21); The backwash cleaning assembly (25) comprises a water storage box and a plurality of nozzles connected to the water storage box; the water storage box is installed inside the groove (23); and the nozzles are installed inside the through hole (24).

8. A sewage treatment pool for wastewater purification according to claim 1, characterized in that: The disinfection mechanism (300) comprises a third treatment tank (31), and a waterproof ultraviolet lamp (33) and a stirring assembly are installed inside the third treatment tank (31).

9. A sewage treatment pool for wastewater purification according to claim 8, characterized in that: The stirring assembly includes a second motor (34) installed at the bottom of the third treatment tank (31) and a second rotating shaft (35) located inside the third treatment tank (31). The output shaft of the second motor (34) is connected to the bottom of the second rotating shaft (35), and a stirring blade (36) is installed on the outer wall of the second rotating shaft (35).

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