Purification device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a purification device for sewage treatment, which comprises a support frame, the outer side of the support frame is fixedly connected with a filter residue cleaning mechanism, the inner side of the support frame is fixedly connected with a flow purification mechanism, and the inner side of the support frame is fixedly connected with a filter assembly. The bottom of the supporting frame is fixedly connected with a disinfection assembly, the filter residue cleaning mechanism comprises a shell and an air cylinder, the outer side of the shell is slidably connected with a rotating disc, the outer side of the rotating disc is fixedly connected with a second motor, and the driving end of the second motor is fixedly connected with a cleaning assembly. According to the utility model, the large impurity scraping plate is driven by the air cylinder, large impurities on the surface of the screen can be scraped and discharged in time, and meanwhile, the flexible scraping plate is driven by the motor II to slide among the filter layers, so that filter residues are effectively scraped and discharged, the smoothness and the filtering effect of each filter layer are ensured, and the overall treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment with technical field, especially sewage treatment with purification device. BACKGROUND

[0002] In daily life, in the industrial field, various factories such as chemical industry, pharmacy, printing and dyeing, papermaking etc. can discharge a large amount of wastewater containing heavy metals, organic poisons, acid-base substances and high-concentration suspended matters in production process, if these industrial wastewater without proper treatment is directly discharged into water body, not only the physical and chemical properties of water body will be changed, resulting in turbidity of water body, emitting peculiar smell, reducing dissolved oxygen, but also through food chain enrichment, it will harm aquatic organisms and human health, cause cancer, deformity, gene mutation and other serious consequences.

[0003] Common sewage treatment is provided with a grid at the entrance, intercepting large-particle floating matters such as branches, plastic bottles in sewage, followed by a sedimentation tank, a biological treatment tank, a filter unit covering a sand filter tank and an activated carbon filter tank, the former intercepts and adsorbs fine particles and suspended matters by sand, and finally a sterilization device, ultraviolet sterilization uses irradiation to destroy microbial nucleic acid to kill bacteria.

[0004] In the prior art, when treating sewage containing a large amount of suspended matters, fibers or viscous substances, the filter medium is easily blocked, resulting in reduced water flow and reduced treatment efficiency, therefore, a sewage treatment purification device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a sewage treatment purification device, aiming at improving the filter screen blockage problem of part of the devices in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sewage treatment purification device, comprising a support frame, a filter residue cleaning mechanism is fixedly connected to the outer side of the support frame, a filter residue discharge port is fixedly connected to the outer side of the support frame, a flow purification mechanism is fixedly connected to the inner side of the support frame, a filter assembly is fixedly connected to the inner side of the support frame, a sterilization assembly is fixedly connected to the bottom of the support frame, the filter residue cleaning mechanism comprises a shell, a cylinder, the outer side of the shell is fixedly connected to the outer side of the support frame, a rotating disc is slidingly connected to the outer side of the shell, a motor two is fixedly connected to the outer side of the rotating disc, a cleaning assembly is fixedly connected to the driving end of the motor two;

[0007] As a further description of the above technical scheme: the cleaning assembly comprises a connecting plate, the connecting plate is fixedly connected to the outer side of the motor two, three flexible scrapers are fixedly connected to the outer side of the connecting plate;

[0008] As a further description of the above technical solution: the bottom of the air cylinder is fixedly connected to the top of the support frame, and the driving end of the air cylinder is fixedly connected with a large impurity scraper, and the inner side of the support frame is fixedly connected with a sewage discharge port;

[0009] As a further description of the above technical solution: the filter assembly comprises a screen, and the outer side of the screen is fixedly connected to the inner side of the support frame, and the outer side of the large impurity scraper is slidingly connected to the top of the screen;

[0010] As a further description of the above technical solution: the inner side of the support frame is fixedly connected with a sand trap layer, the inner side of the support frame, away from the sand trap layer, is fixedly connected with an active sludge layer, and the inner side of the support frame, away from the active sludge layer, is fixedly connected with a filter layer;

[0011] As a further description of the above technical solution: the inner side of the support frame, away from the filter layer, is fixedly connected with a membrane treatment layer, and the outer side of the flexible scraper is slidingly connected between the sand trap layer, the active sludge layer, the filter layer and the membrane treatment layer;

[0012] As a further description of the above technical solution: the flow purification mechanism comprises a motor one, the outer side of the motor one is fixedly connected to the outer side of the support frame, the driving end of the motor one is fixedly connected with a hollow rotating pipe, and the outer side of the hollow rotating pipe is fixedly connected with a plurality of rotating vanes;

[0013] As a further description of the above technical solution: the disinfection assembly comprises a water outlet conduit, the outer side of the water outlet conduit is fixedly connected to the bottom of the support frame, and the outer side of the water outlet conduit is fixedly connected with a disinfection box.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、In the utility model, the air cylinder drives the large impurity scraper, which can timely scrape and discharge the large impurities on the surface of the screen, prevent the large impurities from affecting the subsequent treatment, at the same time, the motor two drives the flexible scraper to slide between the filter layers, effectively scrape and discharge the filter residues, ensure the smoothness and filtration effect of each filter layer, and improve the overall treatment efficiency.

[0016] 2、In the utility model, the motor one drives the hollow rotating pipe and the rotating vanes to stir the sewage, makes the sewage fully flow in the support frame, enhances the contact effect of the sewage and the sand trap layer, the active sludge layer, the filter layer and the membrane treatment layer, makes the treatment effect of each layer fully play, and further improves the purification efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1A three-dimensional schematic view of a purification device for sewage treatment is provided in the utility model.

[0018] Figure 2 A structure schematic view of a shell of a purification device for sewage treatment is provided in the utility model.

[0019] Figure 3 A structure schematic view of a large impurity scraper of a purification device for sewage treatment is provided in the utility model.

[0020] Figure 4 A structure schematic view of a large impurity scraper of a purification device for sewage treatment is provided in the utility model

[0021] Figure 5 A structure schematic view of a sand settling tank layer of a purification device for sewage treatment is provided in the utility model.

[0022] Legend:

[0023] 1, support frame, 2, filter residue discharge port, 3, flow purification mechanism, 301, motor one, 302, rotating fan blade, 303, hollow rotating pipe, 4, filter residue cleaning mechanism, 401, shell, 402, motor two, 403, rotating disc, 404, flexible scraper, 405, connecting plate, 406, air cylinder, 407, large impurity scraper, 408, sewage discharge port, 5, water outlet conduit, 6, disinfection tank, 7, screen, 8, sand settling tank layer, 9, activated sludge layer, 10, filter layer, 11, membrane treatment layer. Specific implementation

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Reference Figures 2 to 4 An embodiment provided by the utility model: a purification device for sewage treatment, comprising a support frame 1, the support frame 1 is used to support the upper structure thereof, the outer side of the support frame 1 is fixedly connected with a filter residue cleaning mechanism 4, the outer side of the support frame 1 is fixedly connected with a filter residue discharge port 2, the filter residue discharge port 2 is used to uniformly discharge the large impurities scraped by the large impurity scraper 407 and the filter residues discharged by the sewage discharge port 408, the inner side of the support frame 1 is fixedly connected with a flow purification mechanism 3, the inner side of the support frame 1 is fixedly connected with a filter assembly, and the bottom of the support frame 1 is fixedly connected with a disinfection assembly.

[0026] The filter residue cleaning mechanism 4 comprises a shell 401, a cylinder 406, the outer side of the shell 401 is fixedly connected to the outer side of the support frame 1, the outer side of the shell 401 is slidingly connected with a rotating disc 403, the inner side of the shell 401 is provided with a clamping tooth matched with the rotating disc 403 to be driven, the rotating disc 403 is rotatably connected with the clamping tooth on the upper and lower sides of the shell 401 to drive a connecting plate 405 to slide in a sliding groove of the shell 401, the outer side of the rotating disc 403 is fixedly connected with a motor two 402, the motor two 402 is used to drive the rotating disc 403 to rotate, the rotating disc 403 serves to protect the rotating disc 403 and the motor two 402, and the driving end of the motor two 402 is fixedly connected with a cleaning assembly;

[0027] The cleaning assembly comprises the connecting plate 405, the outer side of the connecting plate 405 is fixedly connected to the outer side of the motor two 402, and the outer side of the connecting plate 405 is fixedly connected with three flexible scrapers 404, the connecting plate 405 is used to transmit power of the motor two 402 to the three flexible scrapers 404;

[0028] The bottom of the cylinder 406 is fixedly connected to the top of the support frame 1, the driving end of the cylinder 406 is fixedly connected with a large impurity scraper 407, the cylinder 406 is used to drive the large impurity scraper 407 to slide on the top of the screen 7, the inner side of the support frame 1 is fixedly connected with a sewage discharge port 408, and the sewage discharge port 408 is used to discharge filter residues scraped by the flexible scrapers 404;

[0029] The filtering assembly comprises a screen 7, which is used to have a certain pore size and can intercept larger impurities in sewage, such as branches, plastic fragments, large-particle silt and the like, and plays a role of preliminary filtration. The outer side of the screen 7 is fixedly connected to the inner side of the support frame 1. The outer side of the large-impurity scraper 407 is slidingly connected to the top of the screen 7. The inner side of the support frame 1, that is, the side far from the sand trap layer 8, is fixedly connected with the active sludge layer 9. The active sludge layer 9 is used for containing a large amount of microorganisms in the active sludge. These microorganisms can decompose and transform organic matter in the sewage, degrade complex organic pollutants into simple inorganic substances, thereby reducing the content of organic matter in the sewage and playing a role of purifying water quality. The inner side of the support frame 1, that is, the side far from the active sludge layer 9, is fixedly connected with the filtering layer 10. The filtering layer 10 is used to further remove suspended impurities, colloids and the like in the sewage. The inner side of the support frame 1, that is, the side far from the filtering layer 10, is fixedly connected with the membrane treatment layer 11. The membrane treatment layer 11 intercepts small particles, bacteria, viruses and the like in the sewage through the filtering effect of the membrane. The outer side of the flexible scraper 404 is slidingly connected between the sand trap layer 8, the active sludge layer 9, the filtering layer 10 and the membrane treatment layer 11. The flexible scraper 404 can effectively scrape off filter residues attached to the surfaces of these filter layers when sliding between the sand trap layer 8, the active sludge layer 9, the filtering layer 10 and the membrane treatment layer 11.

[0030] With reference to Figure 1 , Figure 4 , Figure 5 , the flow purification mechanism 3 comprises a motor 301, the outer side of the motor 301 is fixedly connected to the outer side of the support frame 1, and the driving end of the motor 301 is fixedly connected with a hollow rotating pipe 303. The motor 301 is used to drive the hollow rotating pipe 303. The outer side of the hollow rotating pipe 303 is fixedly connected with a plurality of rotating vanes 302. The rotating vanes 302 stir the sewage during rotation, enhance the contact effect of the sewage and each filter layer, make the impurities in the sewage more fully react with each layer, and thereby improve the purification efficiency of sewage treatment.

[0031] The disinfection assembly comprises a water outlet pipe 5, which introduces the sewage purified through multiple layers of filtration into a disinfection tank 6 for disinfection treatment, and plays a role of flow guide. The outer side of the water outlet pipe 5 is fixedly connected to the bottom of the support frame 1. The outer side of the water outlet pipe 5 is fixedly connected with the disinfection tank 6. The sewage flowing into the disinfection tank 6 is subjected to disinfection treatment to kill harmful bacteria and microorganisms therein, so as to ensure that the treated water meets the sanitary standards and can be safely discharged or reused.

[0032] Working principle: sewage into the support frame 1, through the cylinder 406 drive large impurities scraper 407 will sieve net 7 surface of large impurities to filter residue discharge outlet 2, make large impurities discharge device, through motor two 402 drive rotating disc 403 rotation and the upper and lower two sides of the housing 401 tooth meshing connection, thereby drive connecting plate 405 in the sliding slot of the housing 401 sliding, connecting plate 405 drive three flexible scraper 404 sliding between sand trap layer 8, activated sludge layer 9, filter layer 10, membrane treatment layer 11, flexible scraper 404 will scrape these filter layer 10 surface of filter residue, scraped filter residue finally through the inside sewage discharge outlet 408 filter residue to discharge outlet filter residue discharge outlet 2 discharge device.

[0033] Through motor one 301 drive hollow rotating tube 303 rotation, hollow rotating tube 303 outside fixed multiple rotating fan blade 302 also follow rotation, rotating fan blade 302 to sewage is stirred, make sewage flow in the support frame 1, enhance the contact effect of sewage and each layer, improve purification efficiency, after preliminary treatment and flow stirring, the sewage first enters sand trap layer 8, sand and other heavier impurities in the sand trap layer 8 precipitate, realize sand water separation, sewage enters activated sludge layer 9, microorganism in activated sludge decomposes and transforms organic matter in the sewage, reduces the organic matter content in the sewage, then the sewage enters filter layer 10, filter layer 10 further removes suspended impurities, colloid and other substances in the sewage, so that the sewage is more finely filtered, finally the sewage enters membrane treatment layer 11, membrane treatment layer 11 passes through the filtration effect of membrane, intercepts small particles, bacteria and the like in the sewage, so that the sewage is deeply purified, the sewage after multilayer filtration and purification enters water guide pipe 5, water guide pipe 5 is connected with disinfection tank 6, the sewage is disinfected in disinfection tank 6, kills harmful bacteria and microorganisms therein, and the standard water after disinfection is discharged through the water outlet of disinfection tank 6, to complete the entire sewage treatment process.

[0034] Finally, it should be noted that: the above only for preferred embodiments of the present application have, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A purification device for sewage treatment, comprising a support frame (1), characterized in that: The outer side of the supporting frame (1) is fixedly connected with a filter residue cleaning mechanism (4), the outer side of the supporting frame (1) is fixedly connected with a filter residue discharge port (2), the inner side of the supporting frame (1) is fixedly connected with a flow purification mechanism (3), the inner side of the supporting frame (1) is fixedly connected with a filter assembly, and the bottom of the supporting frame (1) is fixedly connected with a disinfection assembly. The filter residue cleaning mechanism (4) comprises a shell (401) and a gas cylinder (406), the outer side of the shell (401) is fixedly connected to the outer side of the supporting frame (1), the outer side of the shell (401) is slidably connected with a rotating disc (403), the outer side of the rotating disc (403) is fixedly connected with a second motor (402), and the driving end of the second motor (402) is fixedly connected with a cleaning assembly.

2. The purification device for sewage treatment according to claim 1, characterized by: The cleaning assembly comprises a connecting plate (405), the outer side of the connecting plate (405) is fixedly connected to the outer side of the second motor (402), and the outer side of the connecting plate (405) is fixedly connected with three flexible scrapers (404).

3. The purification device for sewage treatment according to claim 2, characterized in that: The bottom of the gas cylinder (406) is fixedly connected to the top of the supporting frame (1), the driving end of the gas cylinder (406) is fixedly connected with a large impurity scraper (407), and the inner side of the supporting frame (1) is fixedly connected with a sewage discharge port (408).

4. The purification device for sewage treatment according to claim 3, characterized in that: The filter assembly comprises a screen (7), the outer side of the screen (7) is fixedly connected to the inner side of the supporting frame (1), and the outer side of the large impurity scraper (407) is slidably connected to the top of the screen (7).

5. A purification device for sewage treatment according to claim 4, characterized in that: The inner side of the supporting frame (1) is fixedly connected with a sand settling tank layer (8), the inner side of the supporting frame (1), that is, the side away from the sand settling tank layer (8), is fixedly connected with an activated sludge layer (9), and the inner side of the supporting frame (1), that is, the side away from the activated sludge layer (9), is fixedly connected with a filter layer (10).

6. The purification device for sewage treatment according to claim 5, characterized in that: The inner side of the supporting frame (1), that is, the side away from the filter layer (10), is fixedly connected with a membrane treatment layer (11), and the outer side of the flexible scraper (404) is slidably connected between the sand settling tank layer (8), the activated sludge layer (9), the filter layer (10) and the membrane treatment layer (11).

7. The purification device for sewage treatment according to claim 1, characterized by: The flow purification mechanism (3) comprises a first motor (301), the outer side of the first motor (301) is fixedly connected to the outer side of the supporting frame (1), the driving end of the first motor (301) is fixedly connected with a hollow rotating pipe (303), and the outer side of the hollow rotating pipe (303) is fixedly connected with a plurality of rotating blades (302).

8. The purification device for sewage treatment according to claim 1, characterized by: The disinfection assembly comprises a water outlet pipe (5), the outer side of the water outlet pipe (5) is fixedly connected to the bottom of the supporting frame (1), and the outer side of the water outlet pipe (5) is fixedly connected with a disinfection box (6).

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