Multi-stage filtering equipment for wastewater treatment engineering

Abstract

The utility model discloses a multistage filtration equipment for waste water treatment project, including receiving tank and filter tank no. 1, receiving tank top is equipped with filter tank no. 1, and filter tank top one side is equipped with motor no. 1, motor no. 1 output end passes through filter tank no. 1 and is fixedly connected with screw no. 1, and screw no. 1 is equipped with transmission block on the screw no. One section of the top of the first lead screw is a smooth circular shaft, a first gear is arranged on the smooth circular shaft of the first lead screw, a filtering shaft is arranged at the position, corresponding to the sewage conveying pipe, in the first filtering box, filtering holes are evenly formed in the filtering shaft, a second gear is arranged on the filtering shaft, and the second gear is meshed with the first gear. Preliminary filtration of waste water is accelerated through the filter shaft, meanwhile, sludge attached to the inner wall can be scraped off, the service life of the device is prolonged, then the purification effect is improved through multi-layer filtration, sludge accumulated on the filter cotton is scraped off, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment and filtration, in particular to a multi-stage filtration device used in wastewater treatment projects. Background Art

[0002] Wastewater refers to the general term for water discharged during residents' activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rain runoff into drainage pipes. Wastewater contains oil, sludge suspended matter, organic matter, chemical oxygen demand, heavy metals and other wastes. The discharge of wastewater will also directly affect the surrounding environment, thereby indirectly affecting the people living nearby. Therefore, many domestic sewage needs to be filtered when it is discharged.

[0003] In the prior art, general wastewater needs to be adsorbed and filtered using activated carbon during the treatment process, which will result in less than ideal filtering effects, a slow filtering speed, and a lot of sludge attached to the inner wall of the device. Long-term attachment will affect the service life of the device. In addition, various substances contained in the wastewater require different methods to filter, and a lot of sludge and other impurities will accumulate on the filter layer after a period of filtration. If not cleaned in time, the filtering effect will be reduced, thereby affecting the purification effect. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-stage filtering device for wastewater treatment engineering 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 filtering device for wastewater treatment projects, comprising a sewage receiving box and a filter box 1, a filter box 1 is provided on the top of the sewage receiving box, and a sewage delivery pipe is provided in the middle position of the top of the filter box 1, and a motor 1 is provided on one side of the top of the filter box 1, the output end of the motor 1 passes through the filter box 1 and is fixedly connected with a screw rod 1, and a transmission block is provided on the screw rod 1, a top section of the screw rod 1 is a smooth circular shaft, and a gear 1 is provided on the smooth circular shaft of the screw rod 1, a filter shaft is provided at a position corresponding to the sewage delivery pipe in the filter box 1, and filter holes are evenly provided on the filter shaft, a gear 2 is provided on the filter shaft, and the gear 2 and the gear 1 are meshed with each other.

[0006] Preferably, a slide rod 1 is provided at a position parallel to the screw rod 1 on the other side of the filter box 1, and a slider is provided on the slide rod 1, and an annular scraper is provided on the slider and the transmission block.

[0007] Preferably, a second filter box is provided on one side of the dirt receiving box, and a dirt outlet pipe extending into the second filter box is provided on one side of the bottom of the dirt receiving box.

[0008] Preferably, filter cotton is arranged in the second filter box, and activated carbon is arranged at the bottom of the filter cotton, and a zeolite layer is arranged at the bottom of the activated carbon.

[0009] Preferably, a second motor is provided at a position corresponding to the filter cotton on one side of the back side of the second filter box, and the output end of the second motor passes through the second filter box and is fixedly connected to a second screw rod, a second slide rod is provided at a position parallel to the second screw rod on the other side of the second filter box, and scrapers are provided on the second slide rod and the second screw rod.

[0010] Preferably, a telescopic rod is provided on one side of a bottom wall of the filter box, and a baffle is fixedly connected to the output end of the telescopic rod, and the size of the baffle is consistent with the size of the filter shaft.

[0011] Preferably, a sewage removal door is provided on the front of the sewage receiving box, and a sewage discharge pipe is provided at the top of the sewage receiving box at a position corresponding to the filter axis, hooks are provided on both sides of the sewage receiving box, and sewage receiving bags are hung on the hooks.

[0012] Preferably, a water outlet pipe is provided at the bottom of the other side of the second filter box, and a second sewage removal door is provided at the front side of the second filter box at a position corresponding to the scraper.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the multi-stage filtering equipment for wastewater treatment projects drives the gear 1 on the screw rod 1 in the filter box 1 to rotate through the motor 1, the gear 1 drives the gear 2 meshing with it to rotate, and the gear 2 drives the filter shaft to rotate at a uniform speed, which can accelerate the sewage filtration, and at the same time, the screw rod 1 drives the annular scraper on the outer side of the transmission block to move, so that the annular scraper can stably move to scrape off the sludge attached to the inner wall through the screw rod 1 and the transmission block and the slider on the slide rod 1, thereby extending the service life of the device, so that the wastewater after preliminary filtration is discharged into the filter box 2, the wastewater can be first filtered through the filter cotton, and then the pollutants in the wastewater can be adsorbed by the activated carbon, and then the harmful substances can be adsorbed by the zeolite layer, thereby improving the wastewater purification efficiency, and at the same time, the telescopic rod can be started to drive the baffle to move, so that the gravel sludge in the filter shaft falls into the sewage receiving bag for easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of a front cross-sectional structure of a filter box of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the second main view of the filter box of the utility model;

[0017] Figure 4 This is a schematic diagram of a top view and cross-sectional structure of a filter box 2 of the utility model;

[0018] Figure 5 This is a schematic diagram of the main cross-sectional structure of the sewage receiving box of the utility model;

[0019] In the figure: 1. sewage receiving box; 2. sewage discharging door 1; 3. motor 1; 4. filter box 1; 5. sewage discharging door 2; 6. filter box 2; 7. gear 1; 8. gear 2; 9. slide bar 1; 10. transmission block; 11. screw rod 1; 12. telescopic rod; 13. filter shaft; 14. baffle; 15. slide bar; 16. annular scraper; 17. scraper; 18. filter cotton; 19. activated carbon; 20. zeolite layer; 21. motor 2; 22. screw rod 2; 23. slide bar 2; 24. hook; 25. sewage bag. DETAILED DESCRIPTION

[0020] 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. 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.

[0021] See also Figure 1-5 The utility model provides an embodiment: a multi-stage filtering device for wastewater treatment engineering, including a sewage receiving box 1 and a filter box 4, the top of the sewage receiving box 1 is provided with a filter box 4, and the middle position of the top of the filter box 4 is provided with a sewage delivery pipe, and a motor 3 is provided on one side of the top of the filter box 4, the output end of the motor 3 passes through the filter box 4 and is fixedly connected with a screw rod 11, and the screw rod 11 is provided with a transmission block 10, the top section of the screw rod 11 is a smooth circular shaft, and the smooth circular shaft of the screw rod 11 is provided with a gear 7, a filter shaft 13 is provided at a position corresponding to the sewage delivery pipe in the filter box 4, and the filter shaft 13 is evenly provided with filter holes, and a gear 2 8 is provided on the filter shaft 13, and the gear 2 8 and the gear 17 are meshed with each other. , a slide bar 9 is provided at a position parallel to the screw rod 11 on the other side of the filter box 4, and a slider 15 is provided on the slide bar 9, and an annular scraper 16 is provided on the slider 15 and the transmission block 10, so that the motor 3 drives the gear 7 on the screw rod 11 in the filter box 4 to rotate, the gear 7 drives the gear 2 8 meshing therewith to rotate, and the gear 2 8 drives the filter shaft 13 to rotate at a uniform speed, which can accelerate the sewage filtration, so that larger gravel and sludge are deposited in the filter shaft 13, and at the same time, the screw rod 11 drives the annular scraper 16 on the outer side of the transmission block 10 to move, so that the annular scraper 16 can be stably moved through the screw rod 11 and the transmission block 10 and the slider 15 on the slide bar 9 to scrape off the sludge attached to the inner wall, which can extend the service life of the device;

[0022] A filter box 2 6 is provided on one side of the sewage receiving box 1, and a sewage outlet pipe extending into the filter box 2 6 is provided on one side of the bottom of the sewage receiving box 1. A filter cotton 18 is provided in the filter box 2 6, and an activated carbon 19 is provided at the bottom of the filter cotton 18, and a zeolite layer 20 is provided at the bottom of the activated carbon 19, so that the preliminarily filtered wastewater is transmitted to the filter box 2 6, so that the wastewater is filtered and adsorbed by the filter cotton 18, the activated carbon 19 and the zeolite layer 20, thereby enhancing the wastewater filtering effect and achieving a better purification effect;

[0023] A motor 21 is provided at a position corresponding to the filter cotton 18 on one side of the back of the filter box 26, and the output end of the motor 21 penetrates the filter box 26 and is fixedly connected to a screw rod 22, a slide rod 23 is provided at a position parallel to the screw rod 22 on the other side of the filter box 26, and a scraper 17 is provided on the slide rod 23 and the screw rod 22, a water outlet pipe is provided at the bottom of the other side of the filter box 26, and a sewage removal door 25 is provided at a position corresponding to the scraper 17 on the front of the filter box 26, so that the motor 21 drives the screw rod 22 in the filter box 26 to operate, and the screw rod 22 drives the scraper 17 to move, so that the scraper 17 moves stably under the action of the screw rod 22 and the slide rod 23, and pushes fine impurities and sludge to the sewage removal door 25, so as to facilitate the cleaning of the filter box 26;

[0024] A telescopic rod 12 is provided on one side of the bottom wall of the filter box 4, and a baffle 14 is fixedly connected to the output end of the telescopic rod 12, and the size of the baffle 14 is consistent with the size of the filter shaft 13. A sewage removal door 2 is provided on the front of the sewage receiving box 1, and a sewage discharge pipe is provided at the top of the sewage receiving box 1 corresponding to the position of the filter shaft 13. Hooks 24 are provided on both sides of the sewage receiving box 1, and a sewage bag 25 is hung on the hook 24, so that the telescopic rod 12 drives the baffle 14 to move to expose the bottom of the filter shaft 13, so that the fallen sludge and gravel fall onto the sewage bag 25, and then the sewage removal door 2 can be opened to take out the sewage bag 25, and then the sludge inside can be poured out for easy cleaning.

[0025] When the embodiment of the present application is in use, the staff sends the wastewater into the filter box 4 through the sewage delivery pipe, starts the motor 3 to drive the gear 7 on the screw rod 11 in the filter box 4 to rotate, and the gear 7 drives the gear 2 8 meshing with it to rotate, and the gear 2 8 drives the filter shaft 13 to rotate at a constant speed, which can accelerate the sewage filtration, so that larger gravel and sludge are deposited in the filter shaft 13, and then the telescopic rod 12 can be started to drive the baffle 14 to move to expose the bottom of the filter shaft 13, so that the fallen sludge and gravel fall onto the sewage receiving bag 25, and then the sewage taking door 2 can be opened to take out the sewage receiving bag 25, and then the sludge inside can be poured out, so as to facilitate the collection of gravel and sludge, and at the same time the screw rod 11 drives the annular scraper 16 on the outside of the transmission block 10 to move, so that the annular scraper 16 passes through The transmission block 10 and the slider 15 on the screw rod 11 and the slide bar 9 can stably move to scrape off the sludge attached to the inner wall, which can extend the service life of the device, so that the wastewater after preliminary filtration is transmitted to the filter box 2 6 through the sewage outlet pipe, and the impurities and harmful substances in the wastewater are filtered and adsorbed by the filter cotton 18, the activated carbon 19 and the zeolite layer 20, so as to enhance the wastewater filtration effect and achieve better purification effect. When too much sludge accumulates on the filter cotton 18, the motor 21 can be started to drive the screw rod 22 in the filter box 2 6 to operate, and the screw rod 22 drives the scraper 17 to move, so that the scraper 17 moves stably under the action of the screw rod 22 and the slide bar 23, and pushes the fine impurities and sludge to the sewage door 25, so as to facilitate the cleaning of the filter box 2 6.

[0026] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A multi-stage filtration device for wastewater treatment engineering, characterized in that: The utility model comprises a dirt receiving box (1) and a filter box (4), wherein a filter box (4) is provided on the top of the dirt receiving box (1), and a dirt delivery pipe is provided in the middle position of the top of the filter box (4), and a motor (3) is provided on one side of the top of the filter box (4), and the output end of the motor (3) passes through the filter box (4) and is fixedly connected with a screw rod (11), and a transmission block (10) is provided on the screw rod (11), and a section of the top of the screw rod (11) is a smooth circular shaft, and a gear (7) is provided on the smooth circular shaft of the screw rod (11), and a filter shaft (13) is provided at a position corresponding to the dirt delivery pipe in the filter box (4), and filter holes are evenly provided on the filter shaft (13), and a gear (8) is provided on the filter shaft (13), and the gear (8) and the gear (7) are meshed with each other.

2. The multi-stage filtration equipment for wastewater treatment engineering according to claim 1, characterized in that: A sliding rod (9) is provided on the other side of the filter box (4) at a position parallel to the screw rod (11), and a sliding block (15) is provided on the sliding rod (9), and an annular scraper (16) is provided on the sliding block (15) and the transmission block (10).

3. The multi-stage filtration equipment for wastewater treatment engineering according to claim 1, characterized in that: A second filter box (6) is provided on one side of the sewage receiving box (1), and a sewage outlet pipe extending into the second filter box (6) is provided on one side of the bottom of the sewage receiving box (1).

4. The multi-stage filtration equipment for wastewater treatment engineering according to claim 3 is characterized in that: The second filter box (6) is provided with filter cotton (18), and the bottom of the filter cotton (18) is provided with activated carbon (19), and the bottom of the activated carbon (19) is provided with a zeolite layer (20).

5. The multi-stage filtration equipment for wastewater treatment engineering according to claim 3, characterized in that: A second motor (21) is provided at a position corresponding to the filter cotton (18) on one side of the back of the second filter box (6), and the output end of the second motor (21) passes through the second filter box (6) and is fixedly connected to a second screw rod (22). A second slide rod (23) is provided at a position parallel to the second screw rod (22) on the other side of the second filter box (6), and a scraper (17) is provided on the second slide rod (23) and the second screw rod (22).

6. The multi-stage filtration equipment for wastewater treatment engineering according to claim 1, characterized in that: A telescopic rod (12) is provided on one side of the bottom wall of the filter box (4), and a baffle (14) is fixedly connected to the output end of the telescopic rod (12), and the size of the baffle (14) is consistent with that of the filter shaft (13).

7. The multi-stage filtration equipment for wastewater treatment engineering according to claim 1, characterized in that: The front of the dirt receiving box (1) is provided with a dirt removal door (2), and a dirt lowering pipe is provided at a position corresponding to the filter shaft (13) at the top of the dirt receiving box (1), and hooks (24) are provided on both sides of the dirt receiving box (1), and dirt receiving bags (25) are hung on the hooks (24).

8. The multi-stage filtration equipment for wastewater treatment engineering according to claim 3, characterized in that: A water outlet pipe is provided at the bottom of the other side of the second filter box (6), and a second sewage removal door (5) is provided at the front of the second filter box (6) at a position corresponding to the scraper (17).

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