Two-stage AO denitrification and dephosphorization aquaculture sewage treatment equipment

Abstract

The invention relates to the technical field of sewage treatment, and discloses two-stage AO denitrification and dephosphorization aquaculture sewage treatment equipment which comprises a stirring component, the stirring component further comprises a fixing column, and a supporting plate is fixedly connected to the top of the fixing column. Sewage is discharged into the aerobic tank after being simply treated from the anaerobic tank, at the moment, a servo motor is arranged in the aerobic tank, a rotating rod is driven to rotate after the servo motor is started, and in the process, a shaft sleeve fixed to the surface of the rotating rod rotates, a telescopic rod connected with the shaft sleeve rotates, and a hole plate connected with the telescopic rod rotates; and the rotating hole plate can stir the activated sludge placed in the aerobic tank, so that the situation that the activated sludge settles, and more comprehensive phosphorus removal cannot be carried out is greatly avoided.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to a two-stage AO denitrification and phosphorus removal aquaculture sewage treatment equipment. Background Art

[0002] With the acceleration of industrialization and urbanization, water pollution is becoming increasingly serious, especially nitrogen and phosphorus pollution. Nitrogen and phosphorus are the main causes of eutrophication of water bodies, which will lead to the massive reproduction of algae, thus affecting water quality and ecosystems. Many countries and regions have put forward stricter standards and requirements for the removal of nitrogen and phosphorus in sewage treatment, thereby promoting the application and development of advanced sewage treatment technologies. Although traditional sewage treatment processes such as activated sludge method and oxidation ditch can treat a certain degree of organic matter, they have limited effects on the removal of nitrogen and phosphorus. When treating high-nitrogen and phosphorus sewage, traditional processes may require additional treatment units or complex operating processes. Therefore, it is necessary to develop more efficient treatment technologies to meet more stringent emission standards.

[0003] During the process of aquaculture wastewater treatment, activated sludge will be added to the equipment to store nitrogen and phosphorus, thereby reducing the nitrogen and phosphorus content in the wastewater. After adsorbing and storing nitrogen and phosphorus, the activated sludge will settle to the bottom or float on the surface, which will greatly reduce the cleaning effect of the activated sludge. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a two-stage AO denitrification and dephosphorization aquaculture wastewater treatment equipment, comprising a stirring component, the stirring component also includes a fixed column, the top of the fixed column is fixedly connected to a support plate, the top of the support plate is fixedly connected to a fixed frame, the inner wall of the support plate is fixedly connected to an aerobic tank, the bottom of the aerobic tank is provided with a support plate, a sedimentation tank is provided directly below the valve, and the inner wall of the aerobic tank is rotatably connected to a rotating rod; The cleaning component further comprises a fixed sleeve fixedly connected to the surface of the rotating rod, the surface of the fixed sleeve is fixedly connected to a fixed square column, and the inner wall of the fixed square column is slidably connected to a slider; The sealing component also includes a fixed cylindrical rod fixedly connected to the surface of the sliding block, the inner wall of the fixed square column is provided with a sliding groove, and the surface of the fixed cylindrical rod is slidably connected to the sliding groove.

[0005] Preferably, the stirring component also includes an anaerobic tank fixedly connected to the inner wall of the fixed frame, the inner wall of the anaerobic tank is fixedly connected with a pipeline, the surface of the pipeline is provided with a hydraulic pump, and the top of the aerobic tank is fixedly connected to the fixed frame 2.

[0006] Preferably, the stirring component also includes a servo motor fixedly connected to the inner wall of the second fixed frame, the output end of the servo motor is fixedly connected to the end of the rotating rod, the surface of the rotating rod is fixedly connected with a sleeve, the inner wall of the sleeve is slidably connected with a telescopic rod, and the inner wall of the telescopic rod is fixedly connected with an extrusion spring. The present invention utilizes the rotation of the rotating rod to treat the sewage inside the aerobic tank. After the sewage is simply treated in the anaerobic tank, it will be discharged into the aerobic tank. At this time, a servo motor is arranged in the aerobic tank. After the servo motor is started, it will drive the rotating rod to rotate. During this process, the sleeve fixed on the surface of the rotating rod rotates, the telescopic rod connected to the sleeve rotates, and the perforated plate connected to the telescopic rod rotates. The rotating perforated plate will stir the activated sludge placed inside the aerobic tank. In this process During the process, the perforated plate will stir the activated sludge to ensure that the activated sludge is suspended in the sewage, thereby increasing the reaction rate of the activated sludge and the efficiency of phosphorus removal. The holes in the perforated plate prevent excessive accumulation of activated sludge, which causes the activated sludge to be too large and affects the efficiency of phosphorus removal. When the fixed round block contacts the bent plate, extrusion will occur. During the rotation of the perforated plate, the fixed round block connected to the end of the perforated plate will rotate, and the fixed round block will contact the bent plate fixed on the inner wall of the aerobic tank. When the fixed round block contacts different positions of the bent plate, extrusion will be formed. At this time, the telescopic rod will shrink due to the extrusion, so that the perforated plate can move horizontally. In this process, the stirring area of ​​the perforated plate is expanded, which greatly avoids the sedimentation of the activated sludge and the inability to carry out more comprehensive phosphorus removal.

[0007] Preferably, the stirring component also includes a perforated plate fixedly connected to the end of the telescopic rod, and the end of the perforated plate away from the telescopic rod is fixedly connected to a fixed round block, the surface of the fixed round block is rotatably connected to a roller, and the inner wall of the roller is rotatably connected to a rotating roller. During the rotation of the fixed round block, the rotating roller connected to the surface of the fixed round block will rotate, and a roller is arranged on the surface of the rotating roller. During the rotation of the rotating roller, the roller will rotate with the inner wall of the aerobic tank. During this process, the rotating rotating roller will drive the perforated plate and the telescopic rod to rotate. The longitudinally rotating perforated plate can avoid the situation where the activated sludge adheres to the surface of the perforated plate during the stirring of the activated sludge, thereby improving the stirring efficiency.

[0008] Preferably, the stirring component also includes a bent plate fixedly connected to the inner wall of the aerobic tank, the inner wall of the aerobic tank is slidably connected with a sliding sealing plate, the inner wall of the sliding sealing plate is slidably connected to the surface of the fixed round block, wherein a sliding sealing plate is provided on the inner wall of the aerobic tank, the sliding sealing plate will rotate with the fixed round block, and the sliding sealing plate seals the inner wall of the aerobic tank to prevent sewage from clogging the roller and making it impossible to rotate the perforated plate.

[0009] Preferably, the cleaning component also includes a fixed long column fixedly connected to the inner wall of the slider, the fixed long column is fixedly connected to a counterweight block at one end away from the slider, the surface of the counterweight block is fixedly connected to a long and wide plate, and the surface of the counterweight block is fixedly connected to a cleaning round block. During the rotation and stirring of the perforated plate, the activated sludge will adhere to the inner wall of the aerobic tank. At this time, the fixed shaft sleeve connected to the rotating rod will rotate, and the fixed shaft sleeve will drive the fixed square column to rotate, and the slider arranged on the inner wall of the fixed square column will move. Under the action of the pipeline, the slider will drive the fixed long column to slide, and the cleaning round block fixed on the surface of the counterweight block will contact the inner wall of the aerobic tank. The long and wide plates on both sides of the counterweight block will promote the effect of centrifugal force, so that the cleaning round block can be closely in contact with the aerobic tank. During the rotation of the fixed square column, the cleaning round block will clean the inner wall of the aerobic tank to avoid excessive particles and sludge adhesion on the inner wall of the aerobic tank, causing blockage and affecting the sewage treatment efficiency.

[0010] Preferably, the cleaning component also includes a cleaning round block fixedly connected to the surface of the counterweight block, a fixed round rod is fixedly connected to the bottom of the fixed square column, and a cleaning plate is fixedly connected to one end of the fixed round rod away from the fixed square column.

[0011] Preferably, the sealing component also includes a fixing ring fixedly connected to the surface of the sliding groove, the end of the fixing ring is fixedly connected to a restoring spring, the end of the restoring spring away from the fixing ring is fixedly connected to a sliding short rod, the end of the sliding short rod away from the restoring spring is fixedly connected to an L-shaped plate, the surface of the L-shaped plate is fixedly connected to a compression spring, and the end of the compression spring away from the L-shaped plate is fixedly connected to the inner wall of the fixed square column. When the slider slides on the inner wall of the fixed square column, the slider will drive the fixed cylindrical rod on the surface to slide. A sliding groove is opened on the inner wall of the fixed square column. The fixed cylindrical rod will slide on the inner wall of the sliding groove, wherein the inner wall of the sliding groove is filled with hydraulic oil. During the sliding of the fixed cylindrical rod, the hydraulic oil will be squeezed, and the sliding short rod at the other end will slide. The sliding short rod will push the L-shaped plate to slide, and the L-shaped plate will seal the notch. The sliding slider will push the sliding straight plate on the surface to slide. The sliding straight plate slides on the inner wall of the fixed square column under the contraction of the compression spring. In this process, the above components seal the notch to prevent particles in the sewage from clogging the notch, which makes the above components unable to be fully sealed. Wherein, the inner wall of the sliding groove is filled with hydraulic oil.

[0012] The present invention has the following beneficial effects: (1) The present invention utilizes the rotation of a rotating rod to treat the sewage inside the aerobic tank. After the sewage is simply treated in the anaerobic tank, it will be discharged into the aerobic tank. At this time, a servo motor is provided in the aerobic tank. After the servo motor is started, it will drive the rotating rod to rotate. During this process, the shaft sleeve fixed on the surface of the rotating rod rotates, the telescopic rod connected to the shaft sleeve rotates, and the perforated plate connected to the telescopic rod rotates. The rotating perforated plate stirs the activated sludge placed in the aerobic tank. During this process, the perforated plate stirs the activated sludge to ensure that the activated sludge is suspended in the sewage, thereby increasing the reaction rate of the activated sludge and improving the efficiency of the reaction. The efficiency of phosphorus removal is improved. The holes in the perforated plate avoid excessive accumulation of activated sludge, which causes the activated sludge to be too large and affects the efficiency of phosphorus removal. When the fixed round block contacts the bent plate, extrusion will occur. During the rotation of the perforated plate, the fixed round block connected to the end of the perforated plate will rotate, and the fixed round block will contact the bent plate fixed on the inner wall of the aerobic tank. When the fixed round block contacts different positions of the bent plate, extrusion will be formed. At this time, the telescopic rod will shrink due to the extrusion, so that the perforated plate can move horizontally. In this process, the stirring area of ​​the perforated plate is expanded, which greatly avoids the sedimentation of activated sludge and the inability to carry out more comprehensive phosphorus removal.

[0013] (2) During the rotation of the fixed round block, the rotating roller connected to the surface of the fixed round block will rotate. A roller is arranged on the surface of the rotating roller. During the rotation of the rotating roller, the roller will rotate with the inner wall of the aerobic tank. During this process, the rotating roller will drive the perforated plate and the telescopic rod to rotate. The longitudinally rotating perforated plate can avoid the activated sludge adhering to the surface of the perforated plate during the stirring of the activated sludge, thereby improving the stirring efficiency. A sliding sealing plate is arranged on the inner wall of the aerobic tank. The sliding sealing plate will rotate with the fixed round block. The sliding sealing plate seals the inner wall of the aerobic tank to avoid sewage blocking the roller and making it impossible to rotate the perforated plate.

[0014] (3) During the rotation and stirring of the perforated plate, the activated sludge will adhere to the inner wall of the aerobic tank. At this time, the fixed sleeve connected to the rotating rod will rotate, and the fixed sleeve will drive the fixed square column to rotate. The slider set on the inner wall of the fixed square column will move. Under the action of the pipeline, the slider will drive the fixed long column to slide, and the cleaning round block fixed on the surface of the counterweight block will contact the inner wall of the aerobic tank. The long and wide plates on both sides of the counterweight block will exert the centrifugal force so that the cleaning round block can be in close contact with the aerobic tank. During the rotation of the fixed square column, the cleaning round block will clean the inner wall of the aerobic tank to avoid excessive particles and sludge adhesion on the inner wall of the aerobic tank, causing blockage and affecting the sewage treatment efficiency.

[0015] (4) When the slider slides on the inner wall of the fixed square column, the slider will drive the fixed cylindrical rod on the surface to slide. A sliding groove is opened on the inner wall of the fixed square column. The fixed cylindrical rod will slide on the inner wall of the sliding groove. The inner wall of the sliding groove is filled with hydraulic oil. During the sliding of the fixed cylindrical rod, the hydraulic oil will be squeezed, and the sliding short rod at the other end will slide. The sliding short rod will push the L-shaped plate to slide, and the L-shaped plate will seal the notch. The sliding slider will push the sliding straight plate on the surface to slide. The sliding straight plate slides on the inner wall of the fixed square column under the contraction of the compression spring. During this process, the above components seal the notch to prevent particles in the sewage from clogging the notch, causing the above components to be unable to be fully sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the structure of the stirring component of the present invention; Figure 4 For the present invention Figure 3 A is an enlarged schematic diagram; Figure 5 It is a schematic diagram of the structure of the cleaning component of the present invention; Figure 6 Another schematic diagram of the structure of the cleaning component of the present invention; Figure 7 This is a schematic diagram of the sealing component structure of the present invention; Figure 8 For the present invention Figure 7 A magnified schematic diagram of B.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1, stirring component; 101, fixed column; 102, support plate; 103, fixed frame; 104, anaerobic tank; 105, pipeline; 106, hydraulic pump; 107, aerobic tank; 108, fixed frame II; 109, servo motor; 110, rotating rod; 111, shaft sleeve; 112, telescopic rod; 113, extrusion spring; 114, perforated plate; 115, fixed round block; 116, roller; 117, rotating roller; 118, bending plate; 119, sliding sealing plate ; 120, valve; 121, sedimentation tank; 2, cleaning parts; 201, fixed sleeve; 202, fixed square column; 203, slider; 204, fixed long column; 205, counterweight; 206, long and wide plate; 207, cleaning round block; 208, fixed round rod; 209, cleaning plate; 3, sealing parts; 301, fixed cylindrical rod; 302, sliding groove; 303, fixed ring; 304, restoring spring; 305, sliding short rod; 306, L-shaped plate; 307, compression spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] For example, see Figure 1-Figure 3 The present invention is a two-stage AO denitrification and phosphorus removal aquaculture sewage treatment equipment, comprising a stirring component 1, the stirring component 1 also includes a fixed column 101, the top of the fixed column 101 is fixedly connected with a support plate 102, the top of the support plate 102 is fixedly connected with a fixed frame 103, the inner wall of the support plate 102 is fixedly connected with an aerobic tank 107, the bottom of the aerobic tank 107 is provided with a support plate 102, a sedimentation tank 121 is provided directly below the valve 120, and the inner wall of the aerobic tank 107 is rotatably connected with a rotating rod 110, characterized in that it also includes: The cleaning component 2 further comprises a fixed sleeve 201 fixedly connected to the surface of the rotating rod 110, a fixed square column 202 is fixedly connected to the surface of the fixed sleeve 201, and a slider 203 is slidably connected to the inner wall of the fixed square column 202; The sealing component 3 further comprises a fixed cylindrical rod 301 fixedly connected to the surface of the slider 203 , a sliding groove 302 is provided on the inner wall of the fixed square column 202 , and the surface of the fixed cylindrical rod 301 is slidably connected to the sliding groove 302 .

[0021] The stirring component 1 also includes an anaerobic tank 104 fixedly connected to the inner wall of the fixed frame 103, a pipe 105 is fixedly connected to the inner wall of the anaerobic tank 104, a hydraulic pump 106 is arranged on the surface of the pipe 105, and a fixed frame 108 is fixedly connected to the top of the aerobic tank 107.

[0022] The stirring component 1 also includes a servo motor 109 fixedly connected to the inner wall of the fixed frame 108, the output end of the servo motor 109 is fixedly connected to the end of the rotating rod 110, the surface of the rotating rod 110 is fixedly connected with a shaft sleeve 111, the inner wall of the shaft sleeve 111 is slidably connected with a telescopic rod 112, and the inner wall of the telescopic rod 112 is fixedly connected with an extrusion spring 113. The present invention utilizes the rotation of the rotating rod 110 to treat the sewage inside the aerobic tank 107. After the sewage is simply treated from the anaerobic tank 104, it will be discharged into the aerobic tank 107. At this time, a servo motor 109 is provided in the aerobic tank 107. After the servo motor 109 is started, it will drive the rotating rod 110 to rotate. During this process, the shaft sleeve 111 fixed on the surface of the rotating rod 110 rotates, the telescopic rod 112 connected to the shaft sleeve 111 will rotate, and the perforated plate 114 connected to the telescopic rod 112 will rotate. The rotating perforated plate 114 will The activated sludge placed therein is stirred. During this process, the perforated plate 114 will stir the activated sludge to ensure that the activated sludge is suspended in the sewage, thereby increasing the reaction rate of the activated sludge and the efficiency of phosphorus removal. The holes in the perforated plate 114 prevent the activated sludge from being excessively accumulated, causing the activated sludge to be too large and affecting the efficiency of phosphorus removal. When the fixed round block 115 contacts the bent plate 118, extrusion will occur. During the rotation of the perforated plate 114, the fixed round block 115 connected to the end of the perforated plate 114 will rotate, and the fixed round block 115 will contact the bent plate 118 fixed on the inner wall of the aerobic tank 107. When the fixed round block 115 contacts different positions of the bent plate 118, extrusion will be formed. At this time, the telescopic rod 112 will be squeezed and contracted to allow the perforated plate 114 to move horizontally. In this process, the stirring area of ​​the perforated plate 114 is expanded, which greatly avoids the sedimentation of the activated sludge and makes it impossible to carry out more comprehensive phosphorus removal.

[0023] The stirring component 1 also includes a perforated plate 114 fixedly connected to the end of the telescopic rod 112, and the end of the perforated plate 114 away from the telescopic rod 112 is fixedly connected to a fixed round block 115, and the surface of the fixed round block 115 is rotatably connected to a roller 116, and the inner wall of the roller 116 is rotatably connected to a rotating roller 117. During the rotation of the fixed round block 115, the rotating roller 117 connected to the surface of the fixed round block 115 will rotate, and the roller 116 is arranged on the surface of the rotating roller 117. During the rotation of the rotating roller 117, the roller 116 will rotate with the inner wall of the aerobic tank 107. In this process, the rotating rotating roller 117 will drive the perforated plate 114 and the telescopic rod 112 to rotate. The longitudinally rotating perforated plate 114 can avoid the situation where the activated sludge adheres to the surface of the perforated plate 114 during the stirring of the activated sludge, thereby improving the stirring efficiency.

[0024] The stirring component 1 also includes a bent plate 118 fixedly connected to the inner wall of the aerobic tank 107, and the inner wall of the aerobic tank 107 is slidably connected with a sliding sealing plate 119, and the inner wall of the sliding sealing plate 119 is slidably connected to the surface of the fixed round block 115, wherein a sliding sealing plate 119 is provided on the inner wall of the aerobic tank 107, and the sliding sealing plate 119 will rotate with the fixed round block 115, and the sliding sealing plate 119 seals the inner wall of the aerobic tank 107 to prevent sewage from clogging the roller 116 and making it impossible to rotate the perforated plate 114.

[0025] For example 2, please refer to Figure 4 - Figure 8 The present invention is a two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment. On the basis of the first embodiment, the cleaning component 2 also includes a fixed long column 204 fixedly connected to the inner wall of the slider 203, and the fixed long column 204 is fixedly connected to the end away from the slider 203 with a counterweight block 205, and the surface of the counterweight block 205 is fixedly connected with a long and wide plate 206, and the surface of the counterweight block 205 is fixedly connected with a cleaning round block 207. During the rotation and stirring of the perforated plate 114, the activated sludge will adhere to the inner wall of the aerobic tank 107. At this time, the fixed shaft sleeve 201 connected to the rotating rod 110 will rotate, and the fixed shaft sleeve 201 will drive the fixed square column 202 to rotate. The slider 203 arranged on the inner wall of the fixed square column 202 will move. Under the action of the pipeline 105, the slider 203 will drive the fixed long column 204 to slide. The cleaning round block 207 fixed on the surface of the counterweight block 205 will contact the inner wall of the aerobic tank 107. The long and wide plates 206 on both sides of the counterweight block 205 will exert the centrifugal force so that the cleaning round block 207 can be closely contacted with the aerobic tank 107. During the rotation of the fixed square column 202, the cleaning round block 207 will clean the inner wall of the aerobic tank 107 to avoid excessive particles and sludge adhesion on the inner wall of the aerobic tank 107, causing blockage and affecting the sewage treatment efficiency.

[0026] The cleaning component 2 also includes a cleaning round block 207 fixedly connected to the surface of the counterweight block 205, a fixed round rod 208 is fixedly connected to the bottom of the fixed square column 202, and a cleaning plate 209 is fixedly connected to one end of the fixed round rod 208 away from the fixed square column 202.

[0027] The sealing component 3 also includes a fixing ring 303 fixedly connected to the surface of the sliding groove 302, the end of the fixing ring 303 is fixedly connected to a restoring spring 304, the end of the restoring spring 304 away from the fixing ring 303 is fixedly connected to a sliding short rod 305, the end of the sliding short rod 305 away from the restoring spring 304 is fixedly connected to an L-shaped plate 306, the surface of the L-shaped plate 306 is fixedly connected to a compression spring 307, and the end of the compression spring 307 away from the L-shaped plate 306 is fixedly connected to the inner wall of the fixed square column 202. When the slider 203 slides on the inner wall of the fixed square column 202, the slider 203 will drive the fixed cylindrical rod 301 on the surface to slide. A sliding groove is provided on the inner wall of the fixed square column 202. The fixed cylindrical rod 301 will slide on the inner wall of the sliding groove 302. The inner wall of the sliding groove 302 is filled with hydraulic oil. During the sliding of the fixed cylindrical rod 301, the hydraulic oil will be squeezed, and the sliding short rod 305 at the other end will slide. The sliding short rod 305 will push the L-shaped plate 306 to slide. The L-shaped plate 306 will seal the notch. The sliding slider 203 will push the sliding straight plate 308 on the surface to slide. The sliding straight plate 308 slides on the inner wall of the fixed square column 202 under the contraction of the compression spring 307. In this process, the above components seal the notch to prevent particles in the sewage from clogging the notch, which makes the above components unable to be fully sealed. The inner wall of the sliding groove 302 is filled with hydraulic oil.

[0028] A specific application of this embodiment is: during use, when the servo motor 109 is started, the servo motor 109 will drive the rotating rod 110 to rotate, and treat the sewage inside the aerobic tank 107. After the sewage is simply treated from the anaerobic tank 104, it will be discharged into the aerobic tank 107. At this time, a servo motor 109 is provided in the aerobic tank 107. After the servo motor 109 is started, it will drive the rotating rod 110 to rotate. During this process, the shaft sleeve 111 fixed on the surface of the rotating rod 110 rotates, the telescopic rod 112 connected to the shaft sleeve 111 rotates, and the perforated plate 114 connected to the telescopic rod 112 rotates. The rotating perforated plate 114 will stir the activated sludge placed inside the aerobic tank 107. During this process, the perforated plate 114 will stir the activated sludge to ensure that the activated sludge is suspended. In sewage, the reaction rate of activated sludge is increased, and the efficiency of phosphorus removal is improved. The holes of the perforated plate 114 prevent the activated sludge from being too large, causing the activated sludge to be too large, affecting the efficiency of phosphorus removal. When the fixed round block 115 contacts the bent plate 118, extrusion will occur. During the rotation of the perforated plate 114, the fixed round block 115 connected to the end of the perforated plate 114 will rotate, and the fixed round block 115 will contact the bent plate 118 fixed to the inner wall of the aerobic tank 107. When the fixed round block 115 contacts different positions of the bent plate 118, extrusion will be formed. At this time, the telescopic rod 112 will be squeezed and contracted to allow the perforated plate 114 to move horizontally. In this process, the stirring area of ​​the perforated plate 114 is expanded, which greatly avoids the sedimentation of the activated sludge and makes it impossible to perform more comprehensive phosphorus removal. Among them, in this working process, the rotation speed of the servo motor 109 cannot be too fast when it is started, and it can be kept moderate. Too fast a speed will cause the solid particles produced by the activated sludge to be too small, which will affect the sedimentation of the sewage and further affect the water quality of the effluent.

[0029] During the rotation of the fixed round block 115, the rotating roller 117 connected to the surface of the fixed round block 115 will rotate, and a roller 116 is arranged on the surface of the rotating roller 117. During the rotation of the rotating roller 117, the roller 116 will rotate with the inner wall of the aerobic tank 107. In this process, the rotating rotating roller 117 will drive the perforated plate 114 and the telescopic rod 112 to rotate. The longitudinally rotating perforated plate 114 can avoid the activated sludge adhering to the surface of the perforated plate 114 during the stirring of the activated sludge, thereby improving the stirring efficiency. A sliding sealing plate 119 is arranged on the inner wall of the aerobic tank 107, and the sliding sealing plate 119 will rotate with the fixed round block 115. The sliding sealing plate 119 seals the inner wall of the aerobic tank 107 to avoid sewage blocking the roller 116 and making it impossible to rotate the perforated plate 114.

[0030] During the rotation and stirring of the perforated plate 114, the activated sludge will be attached to the inner wall of the aerobic tank 107. At this time, the fixed sleeve 201 connected to the rotating rod 110 will rotate, and the fixed sleeve 201 will drive the fixed square column 202 to rotate. The slider 203 arranged on the inner wall of the fixed square column 202 will move. Under the action of the pipeline 105, the slider 203 will drive the fixed long column 204 to slide, and the cleaning round block 207 fixed on the surface of the counterweight block 205 will contact the inner wall of the aerobic tank 107. The long and wide plates 206 on both sides of the counterweight block 205 will provide centrifugal force, so that the cleaning round block 207 can be closely in contact with the aerobic tank 107. During the rotation of the fixed square column 202, the cleaning round block 207 will clean the inner wall of the aerobic tank 107 to avoid excessive particles and sludge from adhering to the inner wall of the aerobic tank 107, causing blockage and affecting the sewage treatment efficiency. The fixed round rod 208 fixed at the bottom of the fixed square column 202 will also rotate during the rotation of the fixed square column 202, and the cleaning plate 209 at the bottom of the fixed round rod 208 will rotate to clean the inner wall bevel of the aerobic tank 107 to prevent dirt from accumulating and being unable to be discharged.

[0031] When the slider 203 slides on the inner wall of the fixed square column 202, the slider 203 will drive the fixed cylindrical rod 301 on the surface to slide. A sliding groove is opened on the inner wall of the fixed square column 202, and the fixed cylindrical rod 301 will slide on the inner wall of the sliding groove 302, wherein the inner wall of the sliding groove 302 is filled with hydraulic oil. During the sliding of the fixed cylindrical rod 301, the hydraulic oil will be squeezed, and the sliding short rod 305 at the other end will slide, and the sliding short rod 305 will push the L-shaped plate 306 to slide, and the L-shaped plate 306 will seal the notch, and the sliding slider 203 will push the sliding straight plate 308 on the surface to slide, and the sliding straight plate 308 will slide on the inner wall of the fixed square column 202 under the contraction of the compression spring 307. In this process, the above-mentioned components seal the notch to prevent particles in the sewage from clogging the notch, which makes the above-mentioned components unable to be fully sealed.

[0032] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A two-stage AO denitrification and dephosphorization aquaculture wastewater treatment equipment, comprising a stirring component (1), wherein the stirring component (1) further comprises a fixed column (101), wherein the top of the fixed column (101) is fixedly connected to a support plate (102), wherein the top of the support plate (102) is fixedly connected to a fixed frame (103), wherein the inner wall of the support plate (102) is fixedly connected to an aerobic tank (107), wherein the bottom of the aerobic tank (107) is provided with a support plate (102), wherein a sedimentation tank (121) is provided directly below the valve (120), and wherein the inner wall of the aerobic tank (107) is rotatably connected to a rotating rod (110), wherein the valve (120) comprises a settling tank (121), wherein the settling tank (121) comprises a settling tank (121), wherein the settling tank (107 ... Also includes: A cleaning component (2), the cleaning component (2) further comprising a fixed shaft sleeve (201) fixedly connected to the surface of the rotating rod (110), a fixed square column (202) fixedly connected to the surface of the fixed shaft sleeve (201), and a sliding block (203) slidably connected to the inner wall of the fixed square column (202); The sealing component (3) further comprises a fixed cylindrical rod (301) fixedly connected to the surface of the sliding block (203); a sliding groove (302) is provided on the inner wall of the fixed square column (202); and the surface of the fixed cylindrical rod (301) is slidably connected to the sliding groove (302).

2. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 1 is characterized in that: The stirring component (1) further comprises an anaerobic tank (104) fixedly connected to the inner wall of the fixed frame (103); a pipe (105) is fixedly connected to the inner wall of the anaerobic tank (104); a hydraulic pump (106) is provided on the surface of the pipe (105); and a second fixed frame (108) is fixedly connected to the top of the aerobic tank (107).

3. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 2 is characterized in that: The stirring component (1) further comprises a servo motor (109) fixedly connected to the inner wall of the second fixed frame (108); the output end of the servo motor (109) is fixedly connected to the end of a rotating rod (110); a shaft sleeve (111) is fixedly connected to the surface of the rotating rod (110); a telescopic rod (112) is slidably connected to the inner wall of the shaft sleeve (111); and a compression spring (113) is fixedly connected to the inner wall of the telescopic rod (112).

4. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 3 is characterized in that: The stirring component (1) further comprises a perforated plate (114) fixedly connected to the end of the telescopic rod (112); one end of the perforated plate (114) away from the telescopic rod (112) is fixedly connected to a fixed round block (115); a roller (116) is rotatably connected to the surface of the fixed round block (115); and a rotating roller (117) is rotatably connected to the inner wall of the roller (116).

5. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 4 is characterized in that: The stirring component (1) further comprises a bent plate (118) fixedly connected to the inner wall of the aerobic tank (107); the inner wall of the aerobic tank (107) is slidably connected to a sliding sealing plate (119); the inner wall of the sliding sealing plate (119) is slidably connected to the surface of the fixed round block (115).

6. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 5 is characterized in that: The cleaning component (2) further comprises a fixed long column (204) fixedly connected to the inner wall of the slider (203); an end of the fixed long column (204) away from the slider (203) is fixedly connected to a counterweight (205); a long and wide plate (206) is fixedly connected to the surface of the counterweight (205); and a cleaning round block (207) is fixedly connected to the surface of the counterweight (205).

7. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 6 is characterized in that: The cleaning component (2) further comprises a cleaning round block (207) fixedly connected to the surface of the counterweight block (205); a fixed round rod (208) is fixedly connected to the bottom of the fixed square column (202); and a cleaning plate (209) is fixedly connected to one end of the fixed round rod (208) away from the fixed square column (202).

8. The two-stage AO denitrification and phosphorus removal aquaculture wastewater treatment equipment according to claim 7 is characterized in that: The sealing component (3) further comprises a fixing ring (303) fixedly connected to the surface of the sliding groove (302); a restoring spring (304) is fixedly connected to the end of the fixing ring (303); an end of the restoring spring (304) away from the fixing ring (303) is fixedly connected to a sliding short rod (305); an end of the sliding short rod (305) away from the restoring spring (304) is fixedly connected to an L-shaped plate (306); a compression spring (307) is fixedly connected to the surface of the L-shaped plate (306); and an end of the compression spring (307) away from the L-shaped plate (306) is fixedly connected to the inner wall of the fixed square column (202); The inner wall of the sliding groove (302) is filled with hydraulic oil.

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