Landfill leachate pretreatment device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a landfill leachate pretreatment device which comprises a treatment box body and a driver, the lower part of the right end of the treatment box body is fixedly connected with an aeration device, and the left part of the upper end of the treatment box body is fixedly connected with a liquid inlet box; a discharging device is fixedly connected to the middle of the upper end of the treatment box body in a penetrating mode, an electric control box is fixedly connected to the upper portion of the right end of the treatment box body, the output end of a driver penetrates through the treatment box body and is fixedly connected with a rotating rod, and a plurality of stirring blades are fixedly connected to the outer surface of the rotating rod; and the upper part of the inner box wall of the treatment box body is fixedly connected with a filtering device. According to the landfill leachate pretreatment device, sewage can be fully filtered and mixed through the aeration device, the filtering device and the discharging device, the sewage treatment effect is improved, peculiar smell gas is effectively removed, and air pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a garbage leachate pretreatment device. Background Art

[0002] The leachate of garbage contains a large amount of difficult-to-biodegrade substances, and also contains high concentrations of ammonia nitrogen, which have inhibitory side effects on microorganisms in the biological treatment process. The existing treatment devices cannot protect the living environment of microorganisms. Therefore, a pretreatment device should be used before the leachate treatment device. The existing treatment devices often have the following disadvantages: the garbage leachate treatment device is difficult to effectively treat and filter the waste contained in the leachate, and the treatment effect is not very ideal, which affects the efficiency of subsequent treatment work, and the odor in the gas during the garbage leachate treatment device is not treated and directly discharged, which will cause environmental pollution; therefore, we have introduced a garbage leachate pretreatment device. Utility Model Content

[0003] The main purpose of the utility model is to provide a garbage leachate pretreatment device, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A landfill leachate pretreatment device comprises a treatment box and a driver, wherein the front end of the treatment box is movably connected with an observation window through a hinge, a drainage pipe is inserted and fixedly connected to the lower left end of the treatment box, an aeration device is fixedly connected to the lower right end of the treatment box, a liquid inlet box is fixedly connected to the left upper end of the treatment box, a discharge device is inserted and fixedly connected to the middle upper end of the treatment box, an electric control box is fixedly connected to the upper right end of the treatment box, an output end of the driver passes through the treatment box and is fixedly connected to a rotating rod, a plurality of stirring blades are fixedly connected to the outer surface of the rotating rod, and a filtering device is fixedly connected to the upper inner wall of the treatment box;

[0006] The filtering device includes a connecting frame, a slide groove is opened in the middle of the front end of the connecting frame, a filter screen is slidably connected to the middle of the front end of the connecting frame, a handle is fixedly connected to the middle of the front end of the filter screen, and the connecting frame is fixedly connected to the upper part of the inner box wall of the processing box.

[0007] Preferably, the aeration device includes a connection box, a blower is fixedly connected to the upper end of the connection box, a plurality of aeration tubes are fixedly connected to the left end of the connection box, a plurality of air outlet holes are opened on the outer surface of the aeration tubes, and the connection box is fixedly connected to the lower right end of the treatment box.

[0008] Preferably, the discharge device includes a suction machine, the input end of the suction machine is fixedly connected to an air hood, the output end of the suction machine is fixedly connected to a filter box, the right end of the filter box is fixedly connected to an exhaust pipe, an activated carbon mesh plate is clamped in the filter box, and the suction machine is located on the right side of the liquid inlet box.

[0009] Preferably, the plurality of aeration pipes are all located in the lower wall of the treatment box, and the plurality of aeration pipes are communicated with the interior of the connection box.

[0010] Preferably, the suction hood is inserted and fixedly connected to the middle of the upper end of the processing box body, the filter box is communicated with the inside of the exhaust pipe, and the lower end of the filter box is fixedly connected to the upper end of the processing box body.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The sewage is filtered through the filter screen, and the wastewater impurities larger than the mesh diameter of the filter screen are retained on the surface. The blower is turned on, and the gas pressure is filled in the connection box and blown out from the air outlet holes on the surface of several aeration pipes. When used in conjunction with several stirring blades, the sewage can be fully mixed with the alkaline solution to avoid sinking and improve the sewage treatment effect;

[0013] 2. Start the suction machine and use the suction hood to extract the odorous gas into the filter box. The odorous gas passes through the activated carbon mesh plate to remove the odor and is finally discharged through the exhaust pipe to reduce air pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a garbage leachate pretreatment device of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of an aeration device of a garbage leachate pretreatment device of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of a filtering device of a garbage leachate pretreatment device of the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the overall structure of a discharge device of a garbage leachate pretreatment device.

[0018] In the figure: 1. treatment box; 2. observation window; 3. aeration device; 4. filtering device; 5. electric control box; 6. discharge device; 7. liquid inlet box; 8. stirring blade; 9. rotating rod; 10. driver; 11. liquid discharge pipe; 31. connecting box; 32. aeration pipe; 33. air outlet; 34. blower; 41. connecting frame; 42. slide slot; 43. filter screen; 44. handle; 61. suction hood; 62. vacuum pump; 63. filter box; 64. activated carbon screen; 65. exhaust pipe. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A landfill leachate pretreatment device comprises a treatment box 1 and a driver 10, wherein the front end of the treatment box 1 is movably connected with an observation window 2 via a hinge, a discharge pipe 11 is inserted and fixedly connected to the lower left end of the treatment box 1, an aeration device 3 is fixedly connected to the lower right end of the treatment box 1, a liquid inlet box 7 is fixedly connected to the left upper end of the treatment box 1, a discharge device 6 is inserted and fixedly connected to the middle upper end of the treatment box 1, an electric control box 5 is fixedly connected to the upper right end of the treatment box 1, an output end of the driver 10 passes through the treatment box 1 and is fixedly connected to a rotating rod 9, a plurality of stirring blades 8 are fixedly connected to the outer surface of the rotating rod 9, and a filtering device 4 is fixedly connected to the upper inner wall of the treatment box 1.

[0024] In this embodiment, the filtering device 4 includes a connecting frame 41, a slide groove 42 is opened in the middle of the front end of the connecting frame 41, a filter screen plate 43 is slidably connected to the middle of the front end of the connecting frame 41, a pull handle 44 is fixedly connected to the middle of the front end of the filter screen plate 43, and the connecting frame 41 is fixedly connected to the upper part of the inner box wall of the treatment box body 1; the filter screen plate 43 is slidably connected to the middle of the front end of the connecting frame 41, so that wastewater impurities larger than the mesh diameter of the filter screen plate 43 are retained on the surface.

[0025] In this embodiment, the aeration device 3 includes a connection box 31, the upper end of the connection box 31 is fixedly connected with a blower 34, the left end of the connection box 31 is fixedly connected with a plurality of aeration tubes 32, the outer surface of the aeration tubes 32 is provided with a plurality of air outlet holes 33, and the connection box 31 is fixedly connected to the lower right end of the treatment box 1; the plurality of aeration tubes 32 are all located in the lower box wall of the treatment box 1, and the plurality of aeration tubes 32 are communicated with the interior of the connection box 31; by the plurality of aeration tubes 32 being located in the lower box wall of the treatment box 1, the sewage can be fully mixed with the alkaline solution for treatment to avoid the phenomenon of sinking to the bottom.

[0026] In this embodiment, the discharge device 6 includes a suction machine 62, the input end of the suction machine 62 is fixedly connected to an air suction hood 61, the output end of the suction machine 62 is fixedly connected to a filter box 63, the right end of the filter box 63 is fixedly connected to an exhaust pipe 65, an activated carbon mesh plate 64 is clamped in the filter box 63, and the suction machine 62 is located on the right side of the liquid inlet box 7; the suction hood 61 is inserted and fixedly connected to the middle of the upper end of the processing box 1, the filter box 63 is connected to the inside of the exhaust pipe 65, and the lower end of the filter box 63 is fixedly connected to the upper end of the processing box 1; the filter box 63 is connected to the inside of the exhaust pipe 65, the suction machine 62 is started, and the air suction hood 61 is used to extract the odorous gas into the filter box 63, the odorous gas passes through the activated carbon mesh plate 64 to remove the odor, and finally is discharged from the exhaust pipe 65, reducing air pollution and facilitating the use of sewage pretreatment.

[0027] It should be noted that the utility model is a garbage leachate pretreatment device. During use, sewage is introduced into the treatment box 1 from the liquid inlet box 7, and then an alkaline solution is added at the same time. A connecting frame 41 is fixedly installed on the upper part of the inner box wall of the treatment box 1, and a filter screen plate 43 is arranged in the connecting frame 41. The sewage passes through the filter screen plate 43 for filtering, and wastewater impurities larger than the mesh diameter of the filter screen plate 43 are retained on the surface. The driver 10 is started to drive a plurality of stirring blades 8 on the rotating rod 9 to stir, and the blower 34 is turned on at the same time. The gas pressure is filled in the connecting box 31 and blown out from the air outlets 33 on the surfaces of the aeration pipes 32. When used in conjunction with a plurality of stirring blades 8, the sewage and the alkaline solution can be fully mixed and treated to avoid the phenomenon of sinking to the bottom, thereby improving the sewage treatment effect. The suction machine 62 is started, and the odorous gas is extracted into the filter box 63 by using the suction hood 61. The odorous gas passes through the activated carbon screen plate 64 to remove the odor, and is finally discharged from the exhaust pipe 65 to reduce air pollution.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A landfill leachate pretreatment device, comprising a treatment box (1) and a driver (10), characterized in that: The front end of the treatment box (1) is movably connected to an observation window (2) through a hinge, the lower left end of the treatment box (1) is fixedly connected to a liquid discharge pipe (11), the lower right end of the treatment box (1) is fixedly connected to an aeration device (3), the left upper end of the treatment box (1) is fixedly connected to a liquid inlet box (7), the middle upper end of the treatment box (1) is fixedly connected to a discharge device (6), the upper right end of the treatment box (1) is fixedly connected to an electric control box (5), the output end of the driver (10) passes through the treatment box (1) and is fixedly connected to a rotating rod (9), the outer surface of the rotating rod (9) is fixedly connected to a plurality of stirring blades (8), and the upper inner wall of the treatment box (1) is fixedly connected to a filtering device (4); The filtering device (4) comprises a connecting frame (41), a slide groove (42) is provided in the middle of the front end of the connecting frame (41), a filter screen plate (43) is slidably connected to the middle of the front end of the connecting frame (41), a pull handle (44) is fixedly connected to the middle of the front end of the filter screen plate (43), and the connecting frame (41) is fixedly connected to the upper part of the inner box wall of the processing box body (1).

2. A landfill leachate pretreatment device according to claim 1, characterized in that: The aeration device (3) comprises a connection box (31), the upper end of which is fixedly connected with a blower (34), the left end of which is fixedly connected with a plurality of aeration tubes (32), the outer surfaces of the aeration tubes (32) are each provided with a plurality of air outlet holes (33), and the connection box (31) is fixedly connected to the lower right end of the treatment box (1).

3. The landfill leachate pretreatment device according to claim 1, characterized in that: The discharge device (6) comprises a suction machine (62), the input end of the suction machine (62) is fixedly connected to an air suction hood (61), the output end of the suction machine (62) is fixedly connected to a filter box (63), the right end of the filter box (63) is fixedly connected to an exhaust pipe (65), an activated carbon mesh plate (64) is clamped inside the filter box (63), and the suction machine (62) is located on the right side of the liquid inlet box (7).

4. The landfill leachate pretreatment device according to claim 2, characterized in that: The plurality of aeration pipes (32) are all located in the lower box wall of the treatment box (1), and the plurality of aeration pipes (32) are in communication with the interior of the connection box (31).

5. The landfill leachate pretreatment device according to claim 3, characterized in that: The suction hood (61) is inserted and fixedly connected to the middle of the upper end of the processing box (1); the filter box (63) is connected to the inside of the exhaust pipe (65); and the lower end of the filter box (63) is fixedly connected to the upper end of the processing box (1).

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