Biological aeration tank for textile sewage treatment

Abstract

The invention relates to the technical field of sewage treatment equipment, and discloses a biological aeration tank for textile sewage treatment, the biological aeration tank comprises a supporting mechanism, the supporting mechanism comprises a treatment tank, the outer surface of the bottom of the treatment tank is fixedly sleeved with a first fixing frame, and the outer wall of the bottom of the first fixing frame is fixedly connected with supporting legs; a groove is formed in the top of the treatment tank, and when the biological aeration tank is used for treating the textile sewage, the sewage in the treatment tank is stirred by virtue of the cleaning mechanism and the auxiliary mechanism, so that the sewage can be fully mixed in the treatment tank by virtue of rising of bubbles generated by the air pump and airflow movement, and the microbial activity is improved; and meanwhile, the air outlet in the outer wall of the connecting pipe is cleaned through the second cleaning roller, so that the air outlet can be prevented from being blocked, and the air pump is prevented from being damaged.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment equipment, in particular to a biological aeration tank for textile sewage treatment. Background Art

[0002] In real life, biological aeration tanks play an important role in textile wastewater treatment. A large amount of wastewater generated by textile factories is introduced into biological aeration tanks. Through the metabolism of microorganisms, the organic matter and harmful substances in the wastewater are effectively removed. The treated water can be used for factory greening, equipment cleaning, etc., to achieve the recycling of water resources. This not only reduces the pollution of the environment by textile enterprises, but also saves water costs and promotes the sustainable development of the textile industry.

[0003] A patent application with application number CN202110820721.7 discloses a biological aeration tank for textile wastewater treatment, including a filter tank, a filter area arranged in the filter tank to divide the filter tank into a clean water area and a water inlet area, a backwash system for cleaning the filter area and the filter tank, an aeration system located below the filter area, and a filter head located between the water inlet area and the filter area. The filter area includes a plate and frame assembly, a power assembly, and a rubbing assembly.

[0004] In summary, when the biological aeration tank is treating textile wastewater, uneven aeration may occur, which may lead to insufficient dissolved oxygen in some areas and affect the activity of microorganisms, while other areas may be over-aerated, wasting energy, and the aerator may be blocked by fibers and impurities in the textile wastewater, which may cause local pressure to increase and damage the aeration equipment.

[0005] To this end, we proposed a biological aeration tank for textile wastewater treatment. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides a biological aeration tank for textile wastewater treatment to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a biological aeration tank for textile wastewater treatment, comprising a supporting mechanism, the supporting mechanism comprising a treatment tank, a first fixing frame is fixedly sleeved on the outer surface of the bottom of the treatment tank, a supporting foot is fixedly connected to the outer wall of the bottom of the first fixing frame, a groove is provided on the top of the treatment tank, and further comprises: The cleaning mechanism includes a rotating frame slidably connected to the top outer surface of the treatment pool, the top outer wall of the rotating frame is fixedly connected to a first motor, the output end of the first motor passes through the rotating frame and is fixedly connected to a driving wheel, the outer surface of the driving wheel is rotatably connected to the inner wall of the groove, the outer wall of the rotating frame on one side close to the first motor is fixedly connected to an air pump, the top outer wall of the air pump is fixedly connected to a solar panel, and an auxiliary mechanism is arranged inside the rotating frame.

[0008] According to the above technical solution, a second connecting rod is fixedly connected to the outer wall of the rotating frame on a side away from the first motor, a first protrusion is fixedly connected to the outer wall of the second connecting rod, a connecting pipe is fixedly connected to the outer wall of the second connecting rod on a side away from the first protrusion, an air outlet is fixedly connected to the outer wall of the connecting pipe on a side away from the second connecting rod, and the connecting pipe is used to discharge the oxygen generated by the air pump through the air outlet, thereby providing oxygen to the microorganisms inside the treatment pool.

[0009] According to the above technical solution, one end of the second connecting rod away from the rotating frame is fixedly connected to the third fixing frame, the inner wall of the third fixing frame is fixedly connected to the fixed shaft, the inner wall of the third fixing frame is fixedly connected to the third connecting rod, and the outer wall of the third connecting rod on the side away from the second fixing frame is fixedly connected to the first supporting rod, and the number of the fixed shafts is two, and the two fixed shafts are symmetrically arranged with the third fixing frame as the center.

[0010] According to the above technical solution, the inner wall of the first support rod is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the rotating shaft, the top of the second fixed frame is rotatably connected to the first cleaning roller via the rotating shaft, the outer surface of the first cleaning roller is rotatably connected to the inner wall of the processing tank, and the first cleaning roller cleans the inner wall of the processing tank.

[0011] According to the above technical solution, the auxiliary mechanism includes a sliding frame arranged inside the rotating frame, a through hole is opened on the outer surface of the sliding frame, the outer wall of the sliding frame is fixedly connected to a second support rod, the inner wall of the second support rod is rotatably connected to a second cleaning roller via a rotating shaft, and the outer wall of the sliding frame on one side close to the second cleaning roller is fixedly connected to a second protrusion, and the second cleaning roller has a cleaning effect on the connecting pipe, thereby avoiding blockage of the air outlet.

[0012] According to the above technical solution, the outer wall of the sliding frame is fixedly connected with an arc rod, the inner wall of the arc rod is fixedly connected with cleaning teeth, the inner wall of the sliding frame is fixedly connected with a third motor, the output end of the third motor passes through the sliding frame and is fixedly connected with a connecting frame, the outer wall of the connecting frame close to the sliding frame is fixedly connected with bristles, the top outer wall of the sliding frame is fixedly connected with a cleaning rod, the cleaning teeth on the inner wall of the arc rod clean the first cleaning roller, and the cleaning rod cleans the bristles at the bottom of the connecting frame.

[0013] The cam is an axially coupled mechanism for the movable frame, and the movable frame is a plurality of intermediate mechanisms, each of which is a plurality of intermediate mechanisms.

[0014] According to the above technical solution, a second fixing frame is fixedly sleeved on the top outer surface of the treatment pool, the treatment pool passes through the second fixing frame and is fixedly connected with a water inlet pipe, a first connecting rod is fixedly sleeved on the outer surface of one end of the water inlet pipe away from the second fixing frame, one end of the first connecting rod away from the water inlet pipe is fixedly connected to the second fixing frame, the treatment pool passes through the first fixing frame and is fixedly connected with a water outlet pipe, and the first connecting rod serves as an auxiliary support for the water inlet pipe.

[0015] Compared with the prior art, the present invention provides a biological aeration tank for textile wastewater treatment, which has the following beneficial effects: 1. The present invention provides a biological aeration tank for textile wastewater treatment. When the biological aeration tank is used for textile wastewater treatment, the wastewater inside the treatment tank is stirred with the help of a cleaning mechanism and an auxiliary mechanism. In this way, the rising bubbles and airflow movement generated by the air pump can fully mix the wastewater in the treatment tank, thereby improving the activity of microorganisms and avoiding the situation where some areas are insufficiently aerated while other areas are over-aerated, thereby wasting energy. At the same time, the air outlet on the outer wall of the connecting pipe is cleaned by a second cleaning roller, which can avoid blockage of the air outlet and prevent damage to the air pump.

[0016] 2. The present invention sets a cleaning mechanism. The first motor drives the rotating frame to rotate along the inner wall of the treatment tank through the driving wheel. The first cleaning roller rotatably connected between the rotating frame and the third fixed frame cleans the inner wall of the treatment tank to prevent fibers and impurities in the sewage from adhering to the inner wall of the treatment tank, so as not to be detrimental to the metabolism of microorganisms. At the same time, the air pump discharges air to the air outlet through the connecting pipe. When the rotating frame rotates, it can provide oxygen for the sewage and provide sufficient dissolved oxygen for the microorganisms to maintain their normal metabolic activities.

[0017] 3. The present invention sets an auxiliary mechanism. The second motor moves the second sliding block toward the fixed block through the rotating shaft, thereby causing the second rotating rod to flip, and the second rotating rod lifts the sliding frame. At the same time, the first sliding block plays an auxiliary supporting role on both sides of the bottom of the sliding frame through the first rotating rod. The sliding frame can filter the fibers and impurities in the processing pool. The third motor drives the connecting frame to rotate, and the fibers and impurities on the top of the sliding frame are cleaned with bristles. The fibers and impurities stuck to the bristles are then scraped off with the cleaning rod. Therefore, when the sliding frame completely slides out of the processing pool, it is convenient to clean the fibers and impurities on the top of the sliding frame.

[0018] 4. The present invention provides cleaning teeth and a second cleaning roller. During the sliding process of the sliding frame, the second cleaning roller is used to clean the air outlet on the outer wall of the connecting pipe. At the same time, the outer wall of the first cleaning roller is cleaned with the help of the cleaning teeth fixedly connected to the inner wall of the arc rod. Moreover, when the rotating frame rotates, the sliding frame rotates together with the rotating frame. At this time, the stirring blades fixedly connected to the bottom of the sliding frame can stir the sewage inside the treatment pool. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the supporting mechanism structure of the present invention; Figure 4 It is a schematic diagram of the cleaning mechanism structure of the present invention; Figure 5 It is a schematic diagram of the cleaning mechanism structure of the present invention; Figure 6 It is a schematic diagram of the auxiliary mechanism structure of the present invention; Figure 7 It is a bottom view structural schematic diagram of the auxiliary mechanism of the present invention; Figure 8 For the present invention Figure 2 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. Support mechanism; 101. Treatment tank; 102. First fixed frame; 103. Support foot; 104. Water outlet pipe; 105. Second fixed frame; 106. Groove; 107. Water inlet pipe; 108. First connecting rod; 2. Cleaning mechanism; 201. Rotating frame; 202. First motor; 203. Driving wheel; 204. Air pump; 205. Solar panel; 206. Second connecting rod; 207. Connecting pipe; 208. First convex block; 209. Air outlet; 210. Second motor; 211. Rotating shaft; 212. Third fixed frame; 213. 3. The third connecting rod; 214. The first supporting rod; 215. The fixed shaft; 216. The first cleaning roller; 3. The auxiliary mechanism; 301. The sliding frame; 302. The through hole; 303. The second supporting rod; 304. The second cleaning roller; 305. The arc rod; 306. The cleaning teeth; 307. The third motor; 308. The connecting frame; 309. The bristles; 310. The cleaning rod; 311. The first rotating rod; 312. The first sliding block; 313. The second rotating rod; 314. The second sliding block; 315. The stirring blade; 316. The fixed block; 317. The second protrusion. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1: See Figure 1-Figure 5 The present invention provides a technical solution: a biological aeration tank for textile wastewater treatment, comprising a support mechanism 1, the support mechanism 1 comprising a treatment tank 101, a first fixing frame 102 is fixedly sleeved on the bottom outer surface of the treatment tank 101, a supporting foot 103 is fixedly connected to the bottom outer wall of the first fixing frame 102, a groove 106 is opened on the top of the treatment tank 101, and further comprising: The cleaning mechanism 2 includes a rotating frame 201 slidably connected to the top outer surface of the treatment pool 101, a first motor 202 is fixedly connected to the top outer wall of the rotating frame 201, an output end of the first motor 202 passes through the rotating frame 201, and is fixedly connected to a driving wheel 203, an outer surface of the driving wheel 203 is rotatably connected to the inner wall of the groove 106, an air pump 204 is fixedly connected to the outer wall of the rotating frame 201 close to the first motor 202, a solar panel 205 is fixedly connected to the top outer wall of the air pump 204, and an auxiliary mechanism 3 is arranged inside the rotating frame 201, When textile wastewater is treated in a biological aeration tank, the wastewater in the treatment tank 101 is stirred with the help of the cleaning mechanism 2 and the auxiliary mechanism 3. In this way, the rising bubbles and airflow movement generated by the air pump 204 can fully mix the wastewater in the treatment tank 101, thereby improving the activity of microorganisms and avoiding the situation where some areas are insufficiently aerated while other areas are over-aerated, thereby wasting energy. At the same time, the air outlet 209 on the outer wall of the connecting pipe 207 is cleaned by the second cleaning roller 304, which can avoid blockage of the air outlet 209 and prevent damage to the air pump 204.

[0025] A second fixing frame 105 is fixedly sleeved on the top outer surface of the treatment tank 101, the treatment tank 101 passes through the second fixing frame 105 and is fixedly connected to a water inlet pipe 107, and a first connecting rod 108 is fixedly sleeved on the outer surface of one end of the water inlet pipe 107 away from the second fixing frame 105. The first connecting rod 108 serves as an auxiliary support for the water inlet pipe 107, and one end of the first connecting rod 108 away from the water inlet pipe 107 is fixedly connected to the second fixing frame 105, the treatment tank 101 passes through the first fixing frame 102, and is fixedly connected to a water outlet pipe 104.

[0026] A second connecting rod 206 is fixedly connected to the outer wall of the rotating frame 201 on one side away from the first motor 202, a first protrusion 208 is fixedly connected to the outer wall of the second connecting rod 206, a connecting pipe 207 is fixedly connected to the outer wall of the second connecting rod 206 on one side away from the first protrusion 208, an air outlet 209 is fixedly connected to the outer wall of the connecting pipe 207 on one side away from the second connecting rod 206, and the connecting pipe 207 is used to discharge the oxygen generated by the air pump 204 through the air outlet 209, thereby providing oxygen to the microorganisms inside the treatment tank 101.

[0027] One end of the second connecting rod 206 away from the rotating frame 201 is fixedly connected to the third fixed frame 212, and the inner wall of the third fixed frame 212 is fixedly connected to a fixed shaft 215. There are two fixed shafts 215, and the two fixed shafts 215 are symmetrically arranged with the third fixed frame 212 as the center. The inner wall of the third fixed frame 212 is fixedly connected to the third connecting rod 213, and the outer wall of the third connecting rod 213 on one side away from the second fixed frame 105 is fixedly connected to the first support rod 214.

[0028] The inner wall of the first support rod 214 is fixedly connected to the second motor 210, the output end of the second motor 210 is fixedly connected to the rotating shaft 211, the top of the second fixed frame 105 is rotatably connected to the first cleaning roller 216 via the rotating shaft, the first cleaning roller 216 cleans the inner wall of the processing tank 101, and the outer surface of the first cleaning roller 216 is rotatably connected to the inner wall of the processing tank 101.

[0029] The working principle of this embodiment is as follows: when the textile wastewater is treated in the biological aeration tank, on the one hand, the first motor 202 drives the rotating frame 201 to rotate, and the first cleaning roller 216 on the rotating frame 201 cleans the inner wall of the treatment tank 101 to prevent the adhesion of fibers and impurities and affect the metabolism of microorganisms. At the same time, the air pump 204 transports oxygen to the sewage through the connecting pipe 207 and the air outlet 209 to provide dissolved oxygen for the microorganisms to maintain their normal metabolic activities. On the other hand, the cleaning mechanism 2 and the auxiliary mechanism 3 stir the sewage so that the bubbles and airflow generated by the air pump 204 can fully mix the sewage, improve the activity of microorganisms and avoid uneven aeration and energy waste. In addition, the second cleaning roller 304 cleans the air outlet 209 on the outer wall of the connecting pipe 207 to prevent blockage and damage to the air pump 204. Through these synergistic effects, efficient treatment of textile wastewater is achieved.

[0030] Example 2: Please refer to Figure 6-Figure 8 On the basis of the first embodiment, the present invention provides a technical solution: the auxiliary mechanism 3 includes a sliding frame 301 arranged inside the rotating frame 201, the outer surface of the sliding frame 301 is provided with a through hole 302, the outer wall of the sliding frame 301 is fixedly connected to a second support rod 303, the inner wall of the second support rod 303 is rotatably connected to a second cleaning roller 304 through a rotating shaft, and the outer wall of the sliding frame 301 on one side close to the second cleaning roller 304 is fixedly connected to a second protrusion 317, and the second protrusion 317 and the first protrusion 208 are extruded to make the sliding frame 301 vibrate to a certain extent, thereby preventing fibers and impurities from clogging the through hole 302 on the outer surface of the sliding frame 301, and the second cleaning roller 304 cleans the connecting pipe 207, thereby preventing the air outlet 209 from being blocked.

[0031] The outer wall of the sliding frame 301 is fixedly connected with an arc rod 305, the inner wall of the arc rod 305 is fixedly connected with a cleaning tooth 306, the inner wall of the sliding frame 301 is fixedly connected with a third motor 307, the output end of the third motor 307 passes through the sliding frame 301, and is fixedly connected with a connecting frame 308, the outer wall of the connecting frame 308 close to the sliding frame 301 is fixedly connected with bristles 309, the cleaning teeth 306 on the inner wall of the arc rod 305 clean the first cleaning roller 216, the cleaning rod 310 cleans the bristles 309 at the bottom of the connecting frame 308, and the top outer wall of the sliding frame 301 is fixedly connected with a cleaning rod 310.

[0032] The bottom outer wall of the sliding frame 301 is fixedly connected with a stirring blade 315, and one end of the stirring blade 315 close to the third motor 307 is fixedly connected with a fixed block 316. The number of the fixed blocks 316 is four, and the four fixed blocks 316 are symmetrically arranged around the central axis of the sliding frame 301. The outer surface of the fixed shaft 215 is slidably connected with a first sliding block 312, and the top inner wall of the first sliding block 312 is rotatably connected with a first rotating rod 311 through a rotating shaft. The end of the first rotating rod 311 away from the first sliding block 312 is connected to the fixed block 316 is rotatably connected, the outer surface of the rotating shaft 211 is slidably connected to the second sliding block 314, the top outer wall of the second sliding block 314 is rotatably connected to the second rotating rod 313 through the rotating shaft, the first rotating rod 311 plays an auxiliary supporting role in the sliding of the sliding frame 301, the second motor 210 can make the second sliding block 314 move synchronously toward or away from the side of the second motor 210 through the rotating shaft 211, and the end of the second rotating rod 313 away from the second sliding block 314 is rotatably connected to the fixed block 316.

[0033] The working principle of this embodiment is as follows: the second motor 210 drives the second sliding block 314 to move, so that the second rotating rod 313 flips and lifts the sliding frame 301, and the first rotating rod 311 of the first sliding block 312 assists in supporting the sliding frame 301, and the sliding frame 301 filters the fibers and impurities in the treatment tank 101, and the third motor 307 drives the connecting frame 308 to rotate, and the bristles 309 clean the impurities on the top of the sliding frame 301, and the cleaning rod 310 scrapes off the impurities on the bristles 309. During the sliding process of the sliding frame 301, the second cleaning roller 304 cleans the air outlet 209 of the connecting pipe 207, and the cleaning teeth 306 of the arc rod 305 clean the outer wall of the first cleaning roller 216. When the rotating frame 201 rotates, the sliding frame 301 rotates accordingly, and the stirring blades 315 at its bottom stir the sewage in the treatment tank 101. Through these synergistic effects, the efficient cleaning and stirring functions of the treatment tank 101 are achieved, ensuring the stable operation of the system.

[0034] 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.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned 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 present invention shall be included in the protection scope of the present invention.

Claims

1. A biological aeration tank for textile wastewater treatment, comprising a support mechanism (1), the support mechanism (1) comprising a treatment tank (101), a first fixing frame (102) being fixedly sleeved on the outer surface of the bottom of the treatment tank (101), a supporting foot (103) being fixedly connected to the outer wall of the bottom of the first fixing frame (102), a groove (106) being provided on the top of the treatment tank (101), characterized in that: Also included are: The cleaning mechanism (2) comprises a rotating frame (201) slidably connected to the top outer surface of the treatment pool (101), the top outer wall of the rotating frame (201) being fixedly connected to a first motor (202), the output end of the first motor (202) passing through the rotating frame (201) and being fixedly connected to a driving wheel (203), the outer surface of the driving wheel (203) being rotatably connected to the inner wall of the groove (106), an air pump (204) being fixedly connected to the outer wall of a side of the rotating frame (201) close to the first motor (202), the top outer wall of the air pump (204) being fixedly connected to a solar panel (205), and an auxiliary mechanism (3) being arranged inside the rotating frame (201).

2. A biological aeration tank for textile wastewater treatment according to claim 1, characterized in that: A second connecting rod (206) is fixedly connected to an outer wall of a side of the rotating frame (201) away from the first motor (202), a first protrusion (208) is fixedly connected to an outer wall of the second connecting rod (206), a connecting pipe (207) is fixedly connected to an outer wall of a side of the second connecting rod (206) away from the first protrusion (208), and an air outlet (209) is fixedly connected to an outer wall of the connecting pipe (207) away from the second connecting rod (206).

3. A biological aeration tank for textile wastewater treatment according to claim 2, characterized in that: One end of the second connecting rod (206) away from the rotating frame (201) is fixedly connected to the third fixing frame (212), the inner wall of the third fixing frame (212) is fixedly connected to the fixing shaft (215), the inner wall of the third fixing frame (212) is fixedly connected to the third connecting rod (213), and the outer wall of the third connecting rod (213) on one side away from the second fixing frame (105) is fixedly connected to the first supporting rod (214).

4. A biological aeration tank for textile wastewater treatment according to claim 3, characterized in that: A second motor (210) is fixedly connected to the inner wall of the first support rod (214), a rotating shaft (211) is fixedly connected to the output end of the second motor (210), a first cleaning roller (216) is rotatably connected to the top of the second fixed frame (105) via the rotating shaft, and an outer surface of the first cleaning roller (216) is rotatably connected to the inner wall of the treatment tank (101).

5. A biological aeration tank for textile wastewater treatment according to claim 4, characterized in that: The auxiliary mechanism (3) comprises a sliding frame (301) arranged inside the rotating frame (201); a through hole (302) is provided on the outer surface of the sliding frame (301); a second support rod (303) is fixedly connected to the outer wall of the sliding frame (301); a second cleaning roller (304) is rotatably connected to the inner wall of the second support rod (303) via a rotating shaft; and a second protrusion (317) is fixedly connected to the outer wall of the sliding frame (301) on one side close to the second cleaning roller (304).

6. A biological aeration tank for textile wastewater treatment according to claim 5, characterized in that: The outer wall of the sliding frame (301) is fixedly connected to an arc-shaped rod (305), the inner wall of the arc-shaped rod (305) is fixedly connected to a cleaning tooth (306), the inner wall of the sliding frame (301) is fixedly connected to a third motor (307), the output end of the third motor (307) passes through the sliding frame (301) and is fixedly connected to a connecting frame (308), the outer wall of the connecting frame (308) on one side close to the sliding frame (301) is fixedly connected to bristles (309), and the top outer wall of the sliding frame (301) is fixedly connected to a cleaning rod (310).

7. A biological aeration tank for textile wastewater treatment according to claim 6, characterized in that: A stirring blade (315) is fixedly connected to the bottom outer wall of the sliding frame (301); an end of the stirring blade (315) close to the third motor (307) is fixedly connected to a fixed block (316); the number of the fixed blocks (316) is four, and the four fixed blocks (316) are symmetrically arranged with the central axis of the sliding frame (301) as the center; a first sliding block (312) is slidably connected to the outer surface of the fixed shaft (215); a first rotating rod (311) is rotatably connected to the top inner wall of the first sliding block (312) via a rotating shaft; an end of the first rotating rod (311) away from the first sliding block (312) is rotatably connected to the fixed block (316); a second sliding block (314) is slidably connected to the outer surface of the rotating shaft (211); a second rotating rod (313) is rotatably connected to the top outer wall of the second sliding block (314) via a rotating shaft; an end of the second rotating rod (313) away from the second sliding block (314) is rotatably connected to the fixed block (316).

8. The biological aeration tank for textile wastewater treatment according to claim 1, characterized in that: A second fixing frame (105) is fixedly sleeved on the top outer surface of the treatment pool (101); the treatment pool (101) passes through the second fixing frame (105) and is fixedly connected to a water inlet pipe (107); a first connecting rod (108) is fixedly sleeved on the outer surface of one end of the water inlet pipe (107) away from the second fixing frame (105); one end of the first connecting rod (108) away from the water inlet pipe (107) is fixedly connected to the second fixing frame (105); the treatment pool (101) passes through the first fixing frame (102) and is fixedly connected to a water outlet pipe (104).

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