Biologically enhanced denitrification device for denitrification of landfill leachate

Abstract

The utility model relates to the technical field of biological enhancement denitrification devices, in particular to a biological enhancement denitrification device for landfill leachate denitrification, which comprises a water storage tank, a partition plate is fixedly connected in the water storage tank, a limiting groove is arranged on the front side of the partition plate, a threaded rod is rotatably connected in the limiting groove, and a threaded rod is arranged in the threaded rod. The surface of the threaded rod is in threaded connection with a scraping rod, the side face of the scraping rod is slidably connected with and attached to the inner wall of the limiting groove, a filter screen is arranged in the partition plate, the side face of the scraping rod is slidably connected with and attached to the front face of the filter screen, a rotating shaft is rotationally connected into the water storage tank, and a spiral blade is fixedly connected to the surface of the rotating shaft. The first servo motor drives the threaded rod to rotate, the threaded rod drives the scraping rod to move left and right on the surface of the filter screen, the scraping rod can scrape off impurities left on the surface of the filter screen, blockage of the impurities to the filter screen can be reduced, and the filtering effect of the filter screen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biological enhanced denitrification devices, in particular to a biological enhanced denitrification device for denitrifying garbage leachate. Background Art

[0002] Patent No. CN218860443U discloses a wastewater treatment device for enhanced biological denitrification. The utility model has a reasonable structural design, thereby achieving the purpose of stably placing the combined filler inside the mounting frame and the filter.

[0003] However, the above-mentioned existing wastewater treatment device for enhanced biological denitrification only needs to add the sewage into the inside of the water inlet tank when treating the sewage containing nitrogen, and then start the air pump. The gas output by the air pump is transmitted to the inside of the rectangular diverter pipe through the air pipe, and then diverted to the inside of the circular diverter pipe through the rectangular diverter pipe, and finally sprayed into the inside of the water inlet tank and the aerobic tank through the aeration head. Since the circular diverter pipe extends to the inside of the aerobic tank, it can drive the sewage in the water inlet tank and the first baffle to pass through the inside of the combined filler for denitrification treatment. Since the device lacks a cleaning structure for the filter screen, the filter screen is prone to clogging after a long period of operation, resulting in reduced filtering effect.

[0004] In order to solve the above problems, the utility model proposes a bio-enhanced denitrification device for denitrifying landfill leachate. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bio-enhanced denitrification device for denitrifying landfill leachate to solve the technical problem in the prior art that "when treating nitrogen-containing sewage, it is only necessary to add the sewage into the interior of the water inlet tank, and then by starting the air pump, the gas output by the air pump is transmitted to the interior of the rectangular diversion pipe through the air pipe, and then diverted to the interior of the circular diversion pipe through the rectangular diversion pipe, and finally sprayed into the interior of the water inlet tank and the aerobic tank through the aeration head. Since the circular diversion pipe extends to the interior of the aerobic tank, it can drive the sewage in the water inlet tank and the first baffle to pass through the interior of the combined filler for denitrification treatment. Since the device lacks a cleaning structure for the filter screen, the filter screen is prone to clogging after long-term operation, resulting in reduced filtering effect."

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: it includes a water tank, a partition is fixedly connected inside the water tank, a limiting groove is provided on the front side of the partition, a threaded rod is rotatably connected inside the limiting groove, a scraper rod is threadedly connected to the surface of the threaded rod, the side of the scraper rod is slidably connected and fits with the inner wall of the limiting groove, a filter is provided inside the partition, the side of the scraper rod is slidably connected and fits with the front side of the filter, a rotating shaft is rotatably connected inside the water tank, a spiral blade is fixedly connected to the surface of the rotating shaft, and the side of the spiral blade is rotatably connected and fits with the inner wall of the water tank.

[0007] As a preferred technical solution of the utility model, a water inlet pipe is fixedly connected to the front of the water reservoir, and one end of the water inlet pipe is connected to the inside of the water reservoir.

[0008] As a preferred technical solution of the utility model, a drain pipe is fixedly connected to the back of the water reservoir, one end of the drain pipe is connected to the inside of the water reservoir, and a second sealing cover is sealed on the surface of the drain pipe.

[0009] As a preferred technical solution of the utility model, a sewage pipe is fixedly connected to the right side of the water reservoir, the left end of the sewage pipe is connected to the water reservoir, and the surface of the sewage pipe is sealed with a first sealing cover.

[0010] As a preferred technical solution of the utility model, a first servo motor is fixedly connected to the right side of the water reservoir, and the output end of the first servo motor penetrates the side wall of the water reservoir and the partition and is fixedly connected to the right end of the threaded rod.

[0011] As a preferred technical solution of the utility model, a second servo motor is fixedly connected to the left side of the water reservoir, and the output end of the second servo motor passes through the inner wall of the water reservoir and is fixedly connected to the left end of the rotating shaft.

[0012] The utility model provides a bio-enhanced denitrification device for denitrifying landfill leachate, which has the following beneficial effects:

[0013] The threaded rod is driven to rotate by the first servo motor, and the threaded rod drives the scraper rod to move left and right on the surface of the filter. The scraper rod can scrape off the impurities remaining on the surface of the filter, thereby reducing the clogging of the filter by impurities and improving the filtering effect of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0015] Figure 2 The utility model provides a schematic cross-sectional structure diagram of a water storage tank;

[0016] Figure 3A schematic diagram of the structure of the partition proposed for the utility model;

[0017] Figure 4 The utility model provides a schematic diagram of the structure of the scraper rod;

[0018] Figure 5 The utility model provides a structural schematic diagram of a spiral blade.

[0019] In the figure: 1 water reservoir, 2 water inlet pipe, 3 partition, 4 limit groove, 5 threaded rod, 6 scraper rod, 7 first servo motor, 8 sewage pipe, 9 first sealing cover, 10 drainage pipe, 11 second sealing cover, 12 filter screen, 13 rotating shaft, 14 spiral blade, 15 second servo motor. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the utility model, rather than implying that each embodiment of the utility model must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0022] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments:

[0023] refer to Figure 1-5 A bio-enhanced denitrification device for denitrifying landfill leachate comprises a water reservoir 1, a partition 3 is fixedly connected in the water reservoir 1, a limiting groove 4 is arranged on the front of the partition 3, a threaded rod 5 is rotatably connected in the limiting groove 4, a scraper rod 6 is threadedly connected to the surface of the threaded rod 5, and the side of the scraper rod 6 is slidably connected and fits with the inner wall of the limiting groove 4, a filter screen 12 is arranged in the partition 3, and the side of the scraper rod 6 is slidably connected and fits with the front of the filter screen 12, a rotating shaft 13 is rotatably connected in the water reservoir 1, a spiral blade 14 is fixedly connected to the surface of the rotating shaft 13, and the side of the spiral blade 14 is rotatably connected and fits with the inner wall of the water reservoir 1.

[0024] By providing the spiral blades 14, the spiral blades 14 can transport the sludge at the bottom of the water storage tank 1 to the sewage pipe 8 for discharge when rotating clockwise.

[0025] Furthermore, a water inlet pipe 2 is fixedly connected to the front of the water reservoir 1 , and one end of the water inlet pipe 2 is connected to the inside of the water reservoir 1 .

[0026] By providing the water inlet pipe 2 , the staff can add garbage leachate into the water reservoir 1 through the water inlet pipe 2 .

[0027] Furthermore, a drain pipe 10 is fixedly connected to the back of the water reservoir 1 , one end of the drain pipe 10 is connected to the inside of the water reservoir 1 , and a second sealing cover 11 is sealed on the surface of the drain pipe 10 .

[0028] By setting the drain pipe 10 and opening the second sealing cover 11 , the wastewater after denitrification treatment can be discharged through the drain pipe 10 .

[0029] Furthermore, a sewage pipe 8 is fixedly connected to the right side of the water reservoir 1 , the left end of the sewage pipe 8 is connected to the inside of the water reservoir 1 , and a first sealing cover 9 is sealingly connected to the surface of the sewage pipe 8 .

[0030] Through settings.

[0031] Furthermore, a first servo motor 7 is fixedly connected to the right side surface of the water reservoir 1 , and an output end of the first servo motor 7 simultaneously penetrates the water reservoir 1 and the side wall of the partition 3 and is fixedly connected to the right end of the threaded rod 5 .

[0032] By providing the first servo motor 7 , the first servo motor 7 can drive the scraper rod 6 to move left and right through the threaded rod 5 .

[0033] Furthermore, a second servo motor 15 is fixedly connected to the left side of the water reservoir 1 , and an output end of the second servo motor 15 passes through the inner wall of the water reservoir 1 and is fixedly connected to the left end of the rotating shaft 13 .

[0034] By providing the second servo motor 15 , the second servo motor 15 can drive the spiral blade 14 to rotate via the rotating shaft 13 .

[0035] The working principle of the utility model is as follows: first, the staff adds the garbage and sewage to be treated into the water storage tank 1 through the water inlet pipe 2. When the sewage overflows the filter screen 12, some solid garbage can be filtered in front of the partition 3 under the filtration of the filter screen 12. The filtered liquid passes through the filter screen 12 and enters the rear part of the water storage tank 1 for denitrification treatment. After the denitrification treatment is completed, the staff opens the second sealing cover 11 to discharge the sewage. During the filtering process, the staff can start the first servo motor 7 to drive the threaded rod 5 to rotate counterclockwise, and the threaded rod 5 can drive the scraper rod 6 to move to the right. The scraper rod 6 can scrape the garbage remaining on the surface of the filter screen 12. The solid garbage will settle at the bottom of the water storage tank under the action of gravity. After the work is completed, the staff starts the second servo motor 15 to drive the rotating shaft 13 to rotate clockwise, and the rotating shaft 13 drives the spiral blade 14 to rotate clockwise. The spiral blade 14 can discharge the sludge and garbage at the bottom of the water storage tank 1 through the sewage pipe 8;

[0036] Compared with the prior art, the clogging of the filter screen 12 by impurities can be reduced, thereby improving the filtering effect of the filter screen 12.

[0037] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A bio-enhanced denitrification device for denitrifying landfill leachate, comprising a reservoir (1), characterized in that: A partition (3) is fixedly connected inside the water reservoir (1), a limiting groove (4) is provided on the front side of the partition (3), a threaded rod (5) is rotatably connected inside the limiting groove (4), a scraper rod (6) is threadedly connected to the surface of the threaded rod (5), the side of the scraper rod (6) is slidably connected and fits with the inner wall of the limiting groove (4), a filter screen (12) is arranged inside the partition (3), the side of the scraper rod (6) is slidably connected and fits with the front side of the filter screen (12), a rotating shaft (13) is rotatably connected inside the water reservoir (1), a spiral blade (14) is fixedly connected to the surface of the rotating shaft (13), and the side of the spiral blade (14) is rotatably connected and fits with the inner wall of the water reservoir (1).

2. The bio-enhanced denitrification device for denitrifying landfill leachate according to claim 1, characterized in that: A water inlet pipe (2) is fixedly connected to the front of the water reservoir (1), and one end of the water inlet pipe (2) is connected to the inside of the water reservoir (1).

3. The bio-enhanced denitrification device for denitrifying landfill leachate according to claim 1, characterized in that: A drain pipe (10) is fixedly connected to the back of the water reservoir (1), one end of the drain pipe (10) is in communication with the inside of the water reservoir (1), and a second sealing cover (11) is sealingly connected to the surface of the drain pipe (10).

4. The bio-enhanced denitrification device for denitrifying landfill leachate according to claim 1, characterized in that: A sewage pipe (8) is fixedly connected to the right side of the water reservoir (1); the left end of the sewage pipe (8) is connected to the inside of the water reservoir (1); and a first sealing cover (9) is sealingly connected to the surface of the sewage pipe (8).

5. The bio-enhanced denitrification device for denitrification of landfill leachate according to claim 1, characterized in that: A first servo motor (7) is fixedly connected to the right side of the water reservoir (1), and an output end of the first servo motor (7) simultaneously penetrates the side wall of the water reservoir (1) and the partition (3) and is fixedly connected to the right end of the threaded rod (5).

6. The bio-enhanced denitrification device for denitrifying landfill leachate according to claim 1, characterized in that: A second servo motor (15) is fixedly connected to the left side of the water reservoir (1), and an output end of the second servo motor (15) passes through the inner wall of the water reservoir (1) and is fixedly connected to the left end of the rotating shaft (13).

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