Aeration device for septic tank

Abstract

The aeration device comprises a septic tank body, a water outlet is formed in the bottom end of the interior of the septic tank body, a cavity is formed in the outer side of the water outlet, a baffle is connected to the interior of the cavity in a sliding mode, a water drainage pipe is connected to the bottom end of the water outlet, and a support is arranged at the upper end of the septic tank body. A filter screen is slidably connected to the interior of the drainage pipe, a handle is arranged at the front end of the filter screen, a pollution discharge assembly is arranged in the drainage port, a stirring assembly is arranged in the septic tank body, an aerator is arranged at the bottom end of the septic tank body, a gas conveying pipe is connected to the upper end of the aerator, and a plurality of uniformly distributed gas outlet holes are formed in the surface of the gas conveying pipe. The aeration device for the septic tank disclosed by the utility model not only has higher aeration efficiency, but also can filter impurities in sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration devices and discloses an aeration device for a septic tank. Background Art

[0002] Aeration refers to increasing the contact area between water and air by adding air to the water or mechanically stirring it. It is an intermediate process for aerobic biological treatment of wastewater. Aerobic biological treatment. Aerobic biological treatment is sewage treatment carried out under oxygen conditions. Under oxygen conditions, aerobic bacteria or facultative anaerobic bacteria are used to transform and degrade complex organic matter into simple inorganic matter, so that the sewage is purified. This is a very friendly sewage treatment method, so it is widely used in sewage treatment.

[0003] However, the patents in the prior art have the following disadvantages:

[0004] (1) When the aeration device aerates the septic tank, the wastewater cannot fully come into contact with oxygen, resulting in low aeration efficiency.

[0005] (2) Impurities in wastewater cannot be filtered out. Utility Model Content

[0006] The utility model aims to provide an aeration device for a septic tank, which solves the problems of low aeration efficiency and inability to filter impurities in wastewater in the prior art by arranging a filter screen, a sewage discharge component and agitation.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An aeration device for a septic tank, comprising:

[0009] A septic tank body, wherein a drain outlet is provided at the bottom of the septic tank body, a cavity is provided outside the drain outlet, a baffle is slidably connected inside the cavity, a drain pipe is connected to the bottom of the drain outlet, and a bracket is provided at the upper end of the septic tank body;

[0010] A filter screen, the filter screen is slidably connected to the drain pipe, and a handle is provided at the front end of the filter screen;

[0011] A sewage discharge assembly, wherein the sewage discharge assembly is located inside the drain outlet;

[0012] A stirring assembly, wherein the stirring assembly is located inside the septic tank body;

[0013] The aerator is fixedly connected to the bottom end of the septic tank body, the upper end of the aerator is connected to an air pipe, and the surface of the air pipe is provided with a plurality of evenly distributed air outlets.

[0014] Furthermore, the sewage discharge assembly comprises:

[0015] A screw rod, the front end of which is rotatably connected to the septic tank body;

[0016] A sliding shaft, the front end of which is fixedly connected to the septic tank body;

[0017] A first motor, one end of which is fixedly connected to a screw rod.

[0018] Furthermore, the left and right ends of the baffle are respectively sleeved with a screw rod and a sliding shaft.

[0019] Furthermore, the stirring assembly comprises:

[0020] A first rotating shaft, a second rotating shaft is provided on the right side of the first rotating shaft, the first rotating shaft and the second rotating shaft are respectively rotatably connected to the bracket and the septic tank body at the upper and lower ends, and the first rotating shaft and the second rotating shaft are both provided with a transmission disk at the upper ends;

[0021] A belt, both left and right ends of which are sleeved on a transmission disc;

[0022] A second motor is fixedly connected to the bracket, a transmission shaft is provided at the bottom end of the second motor, and a first gear is provided at the bottom end of the transmission shaft.

[0023] Furthermore, a plurality of evenly distributed stirring blades are disposed on the surfaces of the first rotating shaft and the second rotating shaft.

[0024] Furthermore, a gear ring is provided on the upper surface of the second rotating shaft, and the gear ring meshes with the first gear.

[0025] The utility model provides a slotted structure for an aerated block, which has the following beneficial effects:

[0026] (1) The utility model solves the problem of low aeration efficiency of existing aeration devices for septic tanks by providing a stirring assembly. The second motor can drive the first gear to rotate through the transmission shaft, the first gear can drive the second rotating shaft to rotate through the gear ring, and the second rotating shaft can further drive the first rotating shaft to rotate through the belt, thereby causing the stirring blade to rotate, stirring the sewage so that it is fully in contact with oxygen, thereby improving the aeration efficiency.

[0027] (2) The utility model solves the problem that the existing aeration device for septic tanks cannot filter impurities in wastewater by providing a filter screen and a sewage discharge component. The first motor can drive the screw to rotate, thereby moving the baffle back and forth. After the baffle is retracted into the cavity, the sewage will pass through the drain outlet. At this time, the filter screen can filter out impurities in the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0029] Figure 1 It is a three-dimensional structural schematic diagram of an aeration device for a septic tank of the utility model;

[0030] Figure 2 This is a three-dimensional structural schematic diagram of another angle of the aeration device for a septic tank of the utility model;

[0031] Figure 3 This is a top view of an aeration device for a septic tank according to the utility model;

[0032] Figure 4 This is a front view of an aeration device for a septic tank according to the utility model;

[0033] Figure 5 The utility model is an aeration device for a septic tank Figure 1 Enlarged view of point A in the middle;

[0034] Figure 6 The utility model is an aeration device for a septic tank Figure 2 Enlarged view of point B in the middle;

[0035] Among them: 1. septic tank body; 101. drain outlet; 102. cavity; 103. baffle; 104. drain pipe; 105. bracket; 2. filter; 201. handle; 3. sewage discharge assembly; 301. screw; 302. sliding shaft; 303. first motor; 4. stirring assembly; 401. first rotating shaft; 402. second rotating shaft; 403. transmission disc; 404. belt; 405. stirring blade; 406. gear ring; 407. second motor; 408. transmission shaft; 409. first gear; 5. aerator; 501. air pipe; 502. air outlet. DETAILED DESCRIPTION

[0036] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0037] See also Figure 1-6A septic tank aeration device includes a septic tank body 1 for storing wastewater, a drain outlet 101 at the bottom of the septic tank body 1 for discharging wastewater, a cavity 102 outside the drain outlet 101, a baffle 103 slidably connected inside the cavity 102, the baffle 103 can block the drain outlet 101, a drain pipe 104 is connected to the bottom of the drain outlet 101, a bracket 105 is provided at the upper end of the septic tank body 1, a filter screen 2 is slidably connected inside the drain pipe 104, and can filter sewage, and the filter screen 2 has a front end. The handle 201 is convenient for pulling out the filter 2 for cleaning and replacement. The drain outlet 101 has a sewage discharge component 3 inside to control the position of the baffle 103. The septic tank body 1 has a stirring component 4 inside to stir the wastewater. The bottom of the septic tank body 1 has an aerator 5 to generate oxygen. The upper end of the aerator 5 is connected to an air pipe 501. The surface of the air pipe 501 has a plurality of evenly distributed air outlets 502. The aerator 5 can transport oxygen to the air pipe 501, and then discharge it from the air outlet 502, so that the oxygen comes into contact with the sewage.

[0038] Specifically, the sewage discharge component 3 includes a screw 301, the front end of the screw 301 is rotatably connected to the septic tank body 1, a sliding shaft 302 is provided on the right side of the screw 301, the front end of the sliding shaft 302 is fixedly connected to the septic tank body 1, and a first motor 303 is provided at the front end of the screw 301. The first motor 303 controls the rotation of the screw 301. The left and right ends of the baffle 103 are respectively connected to the screw 301 and the sliding shaft 302. The baffle 103 will move along the sliding shaft 302 as the screw 301 rotates.

[0039] Through the above technical solution, the first motor 303 can drive the screw 301 to rotate, thereby moving the baffle 103 back and forth to achieve the opening and closing of the drain outlet 101.

[0040] Specifically, the stirring assembly 4 includes a first rotating shaft 401, a second rotating shaft 402 is provided on the right side of the first rotating shaft 401, and a plurality of evenly distributed stirring blades 405 are provided on the surface of the first rotating shaft 401 and the second rotating shaft 402, which can stir the sewage in a large range. The upper and lower ends of the first rotating shaft 401 and the second rotating shaft 402 are respectively rotatably connected to the bracket 105 and the septic tank body 1. The upper ends of the first rotating shaft 401 and the second rotating shaft 402 are provided with transmission disks 403, and a belt 404 is provided above the bracket 105. The left and right ends of the belt 404 are both connected to the transmission disk 403, and the belt 404 can drive the two transmission disks 403 to rotate at the same time. A second motor 407 is provided on the upper end of the bracket 105, and a transmission shaft 408 is provided at the bottom end of the second motor 407. The second motor 407 can drive the transmission shaft 408 to rotate, and a first gear 409 is provided at the bottom end of the transmission shaft 408. A gear ring 406 is provided on the upper surface of the second rotating shaft 402, and the gear ring 406 meshes with the first gear 409.

[0041] Through the above technical solution, the second motor 407 can drive the first gear 409 to rotate through the transmission shaft 408, the first gear 409 can drive the second rotating shaft 402 to rotate through the gear ring 406, and the second rotating shaft 402 further drives the first rotating shaft 401 to rotate through the belt 404, thereby rotating the stirring blade 405, stirring the sewage so that it is fully in contact with oxygen, thereby improving the aeration efficiency.

[0042] When in use, the aerator 5 delivers oxygen to the air pipe 501, and then discharges it from the air outlet 502, so that the oxygen contacts and reacts with the sewage. At the same time, the second motor 407 can drive the first gear 409 to rotate through the transmission shaft 408, and the first gear 409 drives the second rotating shaft 402 to rotate through the gear ring 406. The second rotating shaft 402 further drives the first rotating shaft 401 to rotate through the belt 404, thereby rotating the stirring blade 405, stirring the sewage so that it is fully in contact with the oxygen, thereby improving the aeration efficiency. After the aeration is completed, the first motor 303 can drive the screw 301 to rotate, thereby moving the baffle 103 back and forth. After the baffle 103 retracts into the cavity 102, the sewage will pass through the drain outlet 101. At this time, the filter screen 2 can filter out impurities in the wastewater, thereby achieving filtration of the sewage.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An aeration device for a septic tank, characterized in that: include: A septic tank body (1), wherein a drain outlet (101) is provided at the bottom of the septic tank body (1), a cavity (102) is provided outside the drain outlet (101), a baffle (103) is slidably connected inside the cavity (102), a drain pipe (104) is connected to the bottom of the drain outlet (101), and a bracket (105) is provided at the upper end of the septic tank body (1); A filter screen (2), the filter screen (2) being slidably connected to a drain pipe (104), and a handle (201) being provided at the front end of the filter screen (2); A sewage discharge assembly (3), the sewage discharge assembly being located inside the drainage port (101); A stirring assembly (4), wherein the stirring assembly (4) is located inside the septic tank body (1); An aerator (5), the aerator (5) is fixedly connected to the bottom end of the septic tank body (1), the upper end of the aerator (5) is connected to an air pipe (501), and the surface of the air pipe (501) is provided with a plurality of evenly distributed air outlet holes (502).

2. The aeration device for a septic tank according to claim 1, characterized in that: The sewage discharge assembly (3) comprises: A screw rod (301), the front end of which is rotatably connected to the septic tank body (1); A sliding shaft (302), the front end of which is fixedly connected to the septic tank body (1); A first motor (303), one end of the first motor (303) is fixedly connected to the screw rod (301).

3. The aeration device for a septic tank according to claim 2, characterized in that: The left and right ends of the baffle (103) are respectively sleeved with a screw rod (301) and a sliding shaft (302).

4. The aeration device for a septic tank according to claim 1, characterized in that: The stirring assembly (4) comprises: A first rotating shaft (401), a second rotating shaft (402) is provided on the right side of the first rotating shaft (401), the first rotating shaft (401) and the second rotating shaft (402) are rotatably connected to the bracket (105) and the septic tank body (1) at their upper and lower ends respectively, and a transmission disc (403) is provided at the upper ends of the first rotating shaft (401) and the second rotating shaft (402); A belt (404), wherein both left and right ends of the belt (404) are sleeved on the transmission disc (403); A second motor (407), the second motor (407) is fixedly connected to the bracket (105), a transmission shaft (408) is provided at the bottom end of the second motor (407), and a first gear (409) is provided at the bottom end of the transmission shaft (408).

5. The aeration device for a septic tank according to claim 4, characterized in that: A plurality of evenly distributed stirring blades (405) are provided on the surfaces of the first rotating shaft (401) and the second rotating shaft (402).

6. The aeration device for a septic tank according to claim 4, characterized in that: A gear ring (406) is provided on the upper surface of the second rotating shaft (402), and the gear ring (406) meshes with the first gear (409).

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