Wastewater treatment tank

Abstract

The utility model discloses a wastewater treatment pond, including filter pond, aeration pond and sedimentation pond, filter pond one side is provided with the water inlet pipe, the sedimentation pond one side is provided with the water outlet pipe, the aeration pond is provided with the aeration device, the aeration device is provided with oxygen supply machine, connecting pipe, aeration pipe and a plurality of aeration disc, the oxygen supply machine is installed on the outer side of the aeration tank, one end of the connecting pipe is connected with the oxygen supply machine, the other end of the connecting pipe is connected with the aeration pipe, the aeration pipe is of a net structure and is arranged in the aeration tank, the aeration disc is installed on the aeration pipe, a support is arranged on the aeration disc, a rotating shaft is arranged in the support, and the rotating shaft is connected with the connecting pipe. And two stirring blades are arranged on the rotating shaft. According to the aeration tank disclosed by the utility model, during the aeration process, the two stirring blades rotate by virtue of the rotating shaft under the impact force brought by the aeration disc, so that the stirring blades rotate to push impurities and sludge which are dissolved and dispersed due to aeration to the outer side of the aeration disc, and the impurities and the sludge are prevented from entering the aeration disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field mainly relates to a wastewater treatment tank. BACKGROUND

[0002] The existing domestic wastewater is directly discharged into the ditch, causes the pollution of ecological environment, and the domestic wastewater cannot be recycled, causes the waste of water resources. In order to solve the problems of environmental pollution and water resource waste, wastewater needs to be treated, and wastewater treatment is to use physical, chemical and biological methods to treat wastewater, purify wastewater, reduce pollution, so as to achieve wastewater recycling and reuse.

[0003] The wastewater treatment tank is a common wastewater treatment method, and the wastewater treatment tank is composed of multiple different wastewater tanks, including aeration tank, sedimentation tank and the like. However, in the prior art, when the aeration tank is working, the gas generated by the aeration disc will overturn the wastewater at the bottom upwards, thereby achieving maximum oxygen supply treatment, which will also cause the impurities and sludge in the wastewater to be quickly dispersed, so that they are more likely to enter the aeration disc, affecting the service life of the aeration disc. The sediment at the bottom of the sedimentation tank needs to be cleaned by the staff entering the bottom of the sedimentation tank, which increases the working intensity of the staff. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a wastewater treatment tank to solve the problems in the background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] A wastewater treatment tank, comprising a filter tank, an aeration tank and a sedimentation tank, the filter tank, the aeration tank and the sedimentation tank are sequentially communicated from left to right, the aeration tank is higher than the sedimentation tank, one side of the filter tank is provided with a water inlet pipe, one side of the sedimentation tank is provided with a water outlet pipe, the aeration tank is provided with an aeration device, the aeration device comprises an oxygen supply machine, a connecting pipe, an aeration pipe and a plurality of aeration discs, the oxygen supply machine is installed outside the aeration tank, one end of the connecting pipe is connected with the oxygen supply machine, and the other end is connected with the aeration pipe, the aeration pipe is in a net-like structure and is arranged in the aeration tank, the aeration disc is installed on the aeration pipe, the aeration disc is provided with a support, the support is internally provided with a rotating shaft, and two stirring blades are arranged on the rotating shaft.

[0007] Preferably, the sedimentation tank is provided with an extraction device, the extraction device comprises a feeding cylinder, a motor and a spiral shaft, the feeding cylinder is installed in the sedimentation tank, one end of the feeding cylinder is provided with a feeding port, and the other end is provided with a discharging port, the motor is installed above the feeding cylinder, and the spiral shaft is installed in the feeding cylinder and connected with the output shaft of the motor.

[0008] As preferred, a chute is arranged on the sidewall of the junction between the filter tank and the aeration tank, and a detachable filter screen is arranged in the chute.

[0009] As preferred, a gate is arranged between the aeration tank and the sedimentation tank, and an opening and closing machine is arranged above the gate and connected with the gate.

[0010] As preferred, the bottom of the aeration tank and the sedimentation tank are both inclined, and the bottom of the aeration tank and the sedimentation tank are inclined from the upper left to the lower right.

[0011] As preferred, a valve is arranged on the water inlet pipe and the water outlet pipe.

[0012] Compared with the prior art, the beneficial effects of the present application are:

[0013] 1. In the aeration process of the aeration tank, the two stirring blades are rotated by the impact force brought by the aeration disc through the rotating shaft, so that the stirring blades rotate to push the impurities and sludge caused by aeration to the outside of the aeration disc, avoiding the impurities and sludge entering the aeration disc.

[0014] 2. After the sedimentation tank sediments the impurities and sludge, the sludge in the sedimentation tank can be extracted by the extraction device, reducing the working intensity of the staff.

[0015] The features and advantages of the present application will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the wastewater treatment tank of the present application;

[0017] Figure 2 It is an enlarged view of A in the present application Figure 1

[0018] Figure 3 It is a sectional view of the extraction device of the present application.

[0019] Reference signs: 1. filter tank, 2. aeration tank, 3. sedimentation tank, 4. water inlet pipe, 5. water outlet pipe, 61. oxygen supply machine, 62. connecting pipe, 63. aeration pipe, 64. aeration disc, 65. support, 66. rotating shaft, 67. stirring blade, 71. feeding cylinder, 72. motor, 73. spiral shaft, 74. feeding port, 75. discharging port, 8. filter screen, 9. gate, 10. opening and closing machine, 11. valve. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described in conjunction with specific embodiments.​

[0021] The exemplary embodiments will be described in detail herein with reference to the accompanying drawings. In the following description, like reference numerals refer to like elements throughout the description. The following exemplary embodiments are not representative of all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the appended claims.

[0022] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the application (especially in the context of claims) are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. The terms "comprising," "having," "including," and "containing" are to be construed as open-ended terms (i.e., meaning "including, but not limited to") unless otherwise noted. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein and each separate value is incorporated into the specification as if it were individually recited herein. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the application and does not pose a limitation on the scope of the application unless otherwise claimed. No language is such that it will be construed as indicating any non- claimed element as essential to the practice of the application.

[0023] Reference should be made to Figures 1-3 The wastewater treatment tank comprises a filter tank 1, an aeration tank 2 and a sedimentation tank 3, the filter tank 1, the aeration tank 2 and the sedimentation tank 3 are sequentially communicated from left to right, the aeration tank 2 is higher than the sedimentation tank 3, so that the wastewater in the aeration tank 2 can flow into the sedimentation tank 3 naturally and no backflow occurs. The filter tank 1 is provided with a water inlet pipe 4 on one side, the sedimentation tank 3 is provided with a water outlet pipe 5 on one side, the aeration tank 2 is provided with an aeration device, the aeration device comprises an oxygen supply machine 61, a connecting pipe 62, an aeration pipe 63 and a plurality of aeration discs 64, the oxygen supply machine 61 is installed outside the aeration tank 2, one end of the connecting pipe 62 is connected with the oxygen supply machine 61 and the other end is connected with the aeration pipe 63, the aeration pipe 63 is in a net structure and is arranged in the aeration tank 2, the aeration discs 64 are installed on the aeration pipe 63, the aeration discs 64 are provided with a support 65, the support 65 is internally provided with a rotating shaft 66, and two stirring blades 67 are arranged on the rotating shaft 66.

[0024] Based on the above embodiment: the oxygen supply machine 61 supplies oxygen for the aeration tank 2, the gas is transmitted to the aeration disc 64 through the connecting pipe 62 and the aeration pipe 63, and the gas coming out of the aeration disc 64 blows to the rotating shaft 66, so that the rotating shaft 66 rotates, and then drives the stirring blade 67 to overturn and stir, and the impurities and sludge caused by aeration are pushed to the outside of the aeration disc 64, so as to avoid the impurities and sludge entering the aeration disc 64.

[0025] In the embodiment, the oxygen supply machine 61 is a gas pump or a compressor.

[0026] Further, the extraction device is arranged in the sedimentation tank 3, and the extraction device comprises a feeding cylinder 71, a motor 72 and a spiral shaft 73.

[0027] Based on the above embodiment: the impurities and sludge precipitated in the sedimentation tank 3 can be extracted by the extraction device, the motor 72 works to drive the spiral shaft 73 to rotate, and then the impurities and sludge at the bottom of the sedimentation tank 3 are brought into the feeding cylinder 71 from the feeding port 74, and are lifted to the discharging port 75 under the action of the spiral shaft 73, and are discharged from the discharging port 75, thereby reducing the working intensity of the workers.

[0028] Further, a chute (not shown in the figure) is arranged on the side wall at the junction of the filter tank 1 and the aeration tank 2, and a detachable filter screen plate 8 is arranged in the chute.

[0029] Further, a gate 9 is arranged between the aeration tank 2 and the sedimentation tank 3, an opening and closing machine 10 is arranged above the gate 9, and the opening and closing machine 10 is connected with the gate 9.

[0030] Further, the bottom of the aeration tank 2 and the sedimentation tank 3 is inclined, and the bottom of the aeration tank 2 and the sedimentation tank 3 is inclined from the upper left to the lower right, so that the wastewater can flow from the aeration tank 2 to the sedimentation tank 3 by relying on its own gravity, and most of the impurities and sludge in the sedimentation tank 3 also flow to the side close to the extraction device, thereby facilitating the extraction of the extraction device.

[0031] Further, the water inlet pipe 4 and the water outlet pipe 5 are provided with valves 11.

[0032] The utility model discloses a wastewater treatment tank, and the working principle is explained in combination with the attached drawings.

[0033] In use, the wastewater is transported from the water inlet pipe 4 to the filter tank 1, and the large garbage and impurities are isolated by the filter screen 8 between the filter tank 1 and the aeration tank 2, and the wastewater flows into the aeration tank 2, at this time the gate 9 is closed, the oxygen supply machine 61 is started, the oxygen supply machine 61 supplies oxygen for the aeration tank 2, and the wastewater is treated, the gas is transmitted to the aeration disc 64 through the connecting pipe 62 and the aeration pipe 63, the gas out of the aeration disc 64 blows to the rotating shaft 66, so that the rotating shaft 66 rotates, and then drives the stirring blade 67 to overturn and stir, and the dissolved impurities and sludge caused by aeration are pushed to the outside of the aeration disc 64, so as to avoid the impurities and sludge entering the aeration disc 64. After aeration is completed, the hoist 10 is started to drive the gate 9 to rise, and the wastewater in the aeration tank 2 flows into the sedimentation tank 3 naturally, and is placed and deposited, and after the deposition is completed, the water in the sedimentation tank 3 is pumped out from the water outlet pipe 5. The motor 72 works to drive the spiral shaft 73 to rotate, and then the impurities and sludge at the bottom of the sedimentation tank 3 are brought into the feeding barrel 71 from the feeding port 74, and are lifted to the discharging port 75 under the action of the spiral shaft 73, and are discharged from the discharging port 75.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment tank comprising a filter tank, an aeration tank, and a sedimentation tank, the filter tank, the aeration tank, and the sedimentation tank being sequentially communicated from left to right, the aeration tank being higher than the sedimentation tank, characterized in that, The filter tank is provided with a water inlet pipe on one side, the sedimentation tank is provided with a water outlet pipe on one side, the aeration tank is provided with an aeration device, the aeration device comprises an oxygen supply machine, a connecting pipe, an aeration pipe and a plurality of aeration discs, the oxygen supply machine is installed outside the aeration tank, one end of the connecting pipe is connected with the oxygen supply machine and the other end is connected with the aeration pipe, the aeration pipe is in a net structure and is arranged in the aeration tank, the aeration discs are installed on the aeration pipe, the aeration discs are provided with supports, the supports are internally provided with rotating shafts, and the rotating shafts are provided with two stirring blades.

2. The wastewater treatment tank of claim 1, wherein The sedimentation tank is provided with an extraction device, the extraction device comprises a feeding cylinder, a motor and a spiral shaft, the feeding cylinder is installed in the sedimentation tank, one end of the feeding cylinder is provided with a feeding port and the other end is provided with a discharging port, the motor is installed above the feeding cylinder, and the spiral shaft is installed in the feeding cylinder and is connected with the output shaft of the motor.

3. The wastewater treatment tank of claim 2, wherein, A chute is arranged on the side wall of the junction of the filter tank and the aeration tank, and a detachable filter screen is installed in the chute.

4. The wastewater treatment tank of claim 3, wherein A gate is arranged between the aeration tank and the sedimentation tank, and an opening and closing machine is arranged above the gate and connected with the gate.

5. The wastewater treatment tank of claim 4, wherein, The bottoms of the aeration tank and the sedimentation tank are inclined, and the bottoms of the aeration tank and the sedimentation tank are inclined from the upper left to the lower right.

6. The wastewater treatment tank of claim 5, wherein, Valves are arranged on the water inlet pipe and the water outlet pipe.

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