Environment-friendly domestic wastewater treatment device for municipal engineering

Abstract

The municipal engineering environment-friendly domestic wastewater treatment device comprises a treatment box mechanism, a positioning cleaning mechanism is fixedly arranged at the top end of the treatment box mechanism, and an auxiliary aeration mechanism is connected to the middle position of the positioning cleaning mechanism; the tooth surface of a first driving gear rotating at one end of the top of a rotating frame is engaged with the tooth surface of a positioning gear ring fixed to the bottom end of the outer wall of a positioning sleeve, so that the first driving gear rotates while revolving, and the multiple positioning gears are in pairwise contact and engaged rotation; a cleaning brush fixed at one end of a positioning gear continuously and stably brushes the inner wall of the wastewater treatment tank, so that the inner wall of the wastewater treatment tank is continuously cleaned, the hidden danger problem of dirt caking in the wastewater treatment tank is avoided, and the hidden danger of structural damage such as rusting caused by caking is avoided; the probability that a large number of microorganisms are bred on the edge of the storage device due to dirt accumulation is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of municipal engineering domestic wastewater treatment, and in particular relates to an environmentally friendly municipal engineering domestic wastewater treatment device. Background Art

[0002] Environmentally friendly domestic wastewater treatment in municipal engineering mainly includes steps and technical means such as pretreatment stage, primary treatment, secondary treatment, deep treatment, sludge treatment, energy-saving and emission reduction measures. Large solid particles and floating objects in the wastewater are removed through equipment such as grids and screens to prevent these substances from clogging or damaging subsequent treatment equipment. At the same time, the wastewater is homogenized and equalized in the regulating tank to stabilize the water quality and water volume, providing stable water inlet conditions for subsequent treatment; the water storage function of the regulating tank is used to adjust the water volume and quality to reduce the frequent starting and stopping of the water pump; high-efficiency aeration equipment is used to reduce energy consumption; and waste heat in the treatment process is recycled and utilized.

[0003] In the prior art, when the environmentally friendly domestic wastewater treatment device for municipal engineering is treating wastewater, the storage tank for storing wastewater is prone to produce thick internal dirt when in contact with wastewater for a long time, making the internal dirt agglomerate and difficult to remove, which is prone to the hidden danger of structural damage such as rust. In addition, the accumulation of dirt is prone to the hidden danger of a large number of microorganisms breeding on the edge of the storage tank, thereby reducing the wastewater treatment efficiency.

[0004] Therefore, it is necessary to invent an environmentally friendly domestic wastewater treatment device for municipal engineering to solve the above problems, which can clean the inner wall in real time during wastewater treatment, use the inner wall cleaning function to perform rotary aeration treatment, and save energy and reduce emissions. Summary of the invention

[0005] In view of the above problems, the present invention provides an environmentally friendly domestic wastewater treatment device for municipal engineering to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a municipal engineering environmentally friendly domestic wastewater treatment device, comprising a treatment box mechanism, a positioning cleaning mechanism is fixedly provided at the top of the treatment box mechanism, and an auxiliary aeration mechanism is connected to the middle position of the positioning cleaning mechanism, wherein:

[0007] The positioning and cleaning mechanism includes a positioning frame, a positioning sleeve is fixedly provided at the middle position of the bottom of the positioning frame, a positioning gear ring is fixedly provided at the bottom end of the outer wall of the positioning sleeve, a positioning shaft is rotatably provided at the middle position of the positioning sleeve, a rotating frame is fixedly provided at the bottom end of the outer wall of the positioning shaft, a plurality of positioning gears are rotatably provided on one side of the rotating frame, the tooth surfaces of the plurality of positioning gears are meshed with each other, one end of the plurality of positioning gears are all passed through the rotating frame and fixed with a cleaning brush, a first fixed frame is fixedly provided at one end of the outer wall of the rotating frame, a first driving gear is rotatably provided at the middle position of the first fixed frame, the tooth surface of the first driving gear is meshed with the tooth surface of the positioning gear ring, a first bevel gear is fixedly provided at the top end of the first driving gear and the top end of one of the positioning gears, and the tooth surfaces of the two first bevel gears are meshed, a limiting frame is fixedly provided at the top end of the rotating frame, a second driving gear is rotatably provided at the middle position of the limiting frame, a driving motor is fixedly provided at the bottom end of the limiting frame, and the output end of the driving motor is fixedly connected to the middle position of the second driving gear.

[0008] Preferably, a second helical gear is fixedly provided at one end of each of the two positioning gears, and the tooth surfaces of the two second helical gears are meshed.

[0009] Preferably, the processing box mechanism includes a wastewater treatment box, a slope guide frame is fixedly provided in the middle position of the bottom of the wastewater treatment box, a conveying frame is connected to the middle position of the slope guide frame, and one side of each of the plurality of cleaning brushes is in contact with the inner wall of the wastewater treatment box.

[0010] Preferably, a driving gear ring is fixedly provided on the top end of the outer wall of the wastewater treatment tank, and the tooth surface of the second driving gear is meshed with the tooth surface of the driving gear ring.

[0011] Preferably, a positioning block is fixedly provided at the top end of the positioning shaft, a conveying auger is fixedly provided at the bottom end of the positioning shaft, and an outer wall of the conveying auger is in contact with an inner wall of the conveying frame.

[0012] Preferably, the auxiliary aeration mechanism includes a second fixed frame fixed in the middle position of the rotating frame, a third bevel gear is rotatably provided at the top of the second fixed frame, a fixed shaft is fixedly provided at the middle position of the top of the third bevel gear, a positioning bar is fixedly provided on the outer wall of the fixed shaft, a lifting frame is slidably provided on the outer wall of the fixed shaft through the positioning bar, a plurality of aeration nozzles are opened on the top of the lifting frame, a fourth bevel gear is fixedly provided at one end of one of the positioning gears, and the tooth surface of the third bevel gear is meshed with the tooth surface of the fourth bevel gear.

[0013] Preferably, a positioning screw is fixedly provided at the top end of the first bevel gear, a lifting seat is threadedly provided at one end of the outer wall of the positioning screw, a connecting frame is connected to one end of the lifting seat, a connecting ring is connected to one end of the connecting frame, a connecting groove is provided in the middle position of the lifting seat, the middle position of the connecting frame and the middle position of the connecting ring, a connecting groove is provided in the middle position of the connecting ring and the bottom end of the outer wall of the lifting frame, and the inner wall of the connecting ring is connected to the inner wall of the lifting frame through the connecting groove.

[0014] Preferably, an aeration pump is fixedly provided on the top of the positioning frame, a telescopic tube is fixedly provided on the output end of the aeration pump, and the bottom end of the telescopic tube is connected to the lifting seat.

[0015] Preferably, an intelligent control panel is fixedly provided on one side of the wastewater treatment tank, and the drive motor is electrically connected to an external power supply through the intelligent control panel.

[0016] Technical effects and advantages of the present invention:

[0017] 1. The present invention drives the second driving gear to rotate by a driving motor fixed to the bottom end of the limiting frame, and the rotating frame is rotatably connected to the inner wall of the positioning sleeve through a positioning shaft fixed at one end, so that the rotating frame can rotate stably, and the tooth surface of the first driving gear rotating at one end of the top of the rotating frame is meshed with the tooth surface of the positioning gear ring fixed at the bottom end of the outer wall of the positioning sleeve, so that the first driving gear rotates while revolving, and multiple positioning gears are contacted and meshed and rotated in pairs, so that the cleaning brush fixed at one end of the positioning gear continuously and stably brushes the inner wall of the wastewater treatment box, so that the inner wall of the wastewater treatment box is continuously cleaned, avoiding the hidden danger of dirt agglomeration inside the wastewater treatment box, and avoiding the hidden danger of structural damage such as rust caused by agglomeration, and reducing the probability of a large number of microorganisms growing on the edge of the storage device due to the accumulation of dirt;

[0018] 2. The present invention rotates the third bevel gear at the top of the second fixed frame to engage and rotate, so that the fixed shaft fixed at the top of the third bevel gear drives the lifting frame to rotate through the positioning of the positioning bar, and the positioning screw fixed at the top of the first bevel gear rotates, so that the lifting seat threadedly connected to the outer wall of the positioning screw drives the connecting ring to be lifted and lowered through the connecting frame, so that the lifting frame rotating on the inner wall of the connecting ring is stably lifted and lowered along the fixed shaft, and the lifting frame rotates along the top of the connecting ring to facilitate gas exchange, so that when cleaning the inside, the wastewater is simultaneously subjected to rotational aeration treatment, thereby increasing the functionality of the treatment box mechanism and achieving the effect of energy saving and emission reduction.

[0019] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the processing box mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the positioning structure of the positioning cleaning mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the distribution structure of the positioning cleaning mechanism and the auxiliary aeration mechanism of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the positioning cleaning mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the internal structure of the positioning cleaning mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the partial structure of the positioning cleaning mechanism of the present invention;

[0028] Figure 8 This is a schematic diagram of the positioning and distribution structure of the auxiliary aeration mechanism of the present invention;

[0029] Fig. 9 It is a schematic diagram of the structure of the auxiliary aeration mechanism of the present invention;

[0030] Fig.10 This is a schematic diagram of the rotation structure of the auxiliary aeration mechanism of the present invention;

[0031] Fig.11 This is a schematic diagram of the lifting structure of the auxiliary aeration mechanism of the present invention;

[0032] Fig.12 It is a schematic diagram of the cross-sectional structure of the lifting frame of the present invention.

[0033] In the figure: 1, treatment box mechanism; 101, wastewater treatment box; 102, ramp guide frame; 103, conveying frame; 2, positioning cleaning mechanism; 201, positioning frame; 202, positioning sleeve; 203, driving gear ring; 204, rotating frame; 205, positioning gear ring; 206, conveying auger; 207, positioning shaft; 208, positioning block; 209, limiting frame; 210, second driving gear; 211, driving motor; 212, positioning gear; 213, cleaning brush; 214, first driving gear; 215, first fixed frame; 216, first bevel gear; 217, second bevel gear; 3, auxiliary aeration mechanism; 301, aeration pump; 302, lifting frame; 303, positioning screw; 304, second fixed frame; 305, third bevel gear; 306, fourth bevel gear; 307, fixed shaft; 308, positioning strip; 309, aeration nozzle; 310, telescopic tube; 311, lifting seat; 312, connecting frame; 313, connecting ring; 314, connecting groove; 315, connecting groove. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0035] The present invention provides Figure 1-12 The environmentally friendly domestic wastewater treatment device for municipal engineering shown in the figure comprises a treatment box mechanism 1, a positioning cleaning mechanism 2 is fixedly provided at the top of the treatment box mechanism 1, and an auxiliary aeration mechanism 3 is connected to the middle position of the positioning cleaning mechanism 2, wherein:

[0036] The positioning and cleaning mechanism 2 includes a positioning frame 201, a positioning sleeve 202 is fixedly provided at the middle position of the bottom of the positioning frame 201, a positioning gear ring 205 is fixedly provided at the bottom end of the outer wall of the positioning sleeve 202, a positioning shaft 207 is rotatably provided at the middle position of the positioning sleeve 202, a rotating frame 204 is fixedly provided at the bottom end of the outer wall of the positioning shaft 207, a plurality of positioning gears 212 are rotatably provided on one side of the rotating frame 204, the tooth surfaces of the plurality of positioning gears 212 are meshed with each other, one end of the plurality of positioning gears 212 are all passed through the rotating frame 204 and are fixedly provided with a cleaning brush 213, a first fixed frame 215 is fixedly provided at one end of the outer wall of the rotating frame 204, and a first fixed frame 215 is fixedly provided at one end of the outer wall of the rotating frame 204. A first driving gear 214 is rotatably provided at the middle position of the fixed frame 215, and the tooth surface of the first driving gear 214 meshes with the tooth surface of the positioning gear ring 205. A first bevel gear 216 is fixedly provided at the top of the first driving gear 214 and the top of one of the positioning gears 212, and the tooth surfaces of the two first bevel gears 216 mesh. A limiting frame 209 is fixedly provided at the top of the rotating frame 204, and a second driving gear 210 is rotatably provided at the middle position of the limiting frame 209. A driving motor 211 is fixedly provided at the bottom end of the limiting frame 209, and the output end of the driving motor 211 is fixedly connected to the middle position of the second driving gear 210.

[0037] One end of each of the two positioning gears 212 is fixed with a second bevel gear 217, and the tooth surfaces of the two second bevel gears 217 are meshed;

[0038] When it is necessary to use the environmentally friendly domestic wastewater treatment device for municipal engineering, the driving motor 211 fixed at the bottom end of the limiting frame 209 drives the second driving gear 210 to rotate, so that the tooth surface of the second driving gear 210 is meshed with the driving gear ring 203 fixed at the top end of the outer wall of the wastewater treatment box 101, so that the second driving gear 210 drives the rotating frame 204 to rotate, and the rotating frame 204 is rotatably connected to the inner wall of the positioning sleeve 202 through a positioning shaft 207 fixed at one end. Through the auxiliary positioning of the positioning frame 201, the rotating frame 204 is stably rotated, and the tooth surface of the first driving gear 214 rotating at one end of the rotating frame 204 is meshed with the tooth surface of the positioning gear ring 205 fixed at the bottom end of the outer wall of the positioning sleeve 202. The first driving gear 214 is meshed with the two first bevel gears 216 to rotate at the same time. The first driving gear 214 drives one of the positioning gears 212 to rotate through the meshing of the two first bevel gears 216. The two second bevel gears 217 are meshed with the tooth surfaces to assist in the meshing of the multiple positioning gears 212. The cleaning brush 213 fixed at one end of the positioning gear 212 continuously and stably brushes the inner wall of the wastewater treatment tank 101, so that the inner wall of the wastewater treatment tank 101 is continuously cleaned, thereby avoiding the hidden danger of dirt agglomeration inside the wastewater treatment tank 101, and avoiding the hidden danger of structural damage such as rust caused by agglomeration, thereby reducing the probability of a large number of microorganisms growing on the edge of the storage tank due to the accumulation of dirt.

[0039] As a specific embodiment of the present invention, the treatment box mechanism 1 includes a wastewater treatment box 101, a slope guide frame 102 is fixedly provided at the middle position of the bottom of the wastewater treatment box 101, a conveying frame 103 is connected to the middle position of the slope guide frame 102, and one side of a plurality of cleaning brushes 213 are in contact with the inner wall of the wastewater treatment box 101;

[0040] A driving gear ring 203 is fixedly provided at the top of the outer wall of the wastewater treatment box 101, and the tooth surface of the second driving gear 210 meshes with the tooth surface of the driving gear ring 203;

[0041] A positioning block 208 is fixedly disposed at the top end of the positioning shaft 207, and a conveying auger 206 is fixedly disposed at the bottom end of the positioning shaft 207, and the outer wall of the conveying auger 206 contacts the inner wall of the conveying frame 103;

[0042] The auxiliary aeration mechanism 3 includes a second fixed frame 304 fixed at the middle position of the rotating frame 204, a third bevel gear 305 is rotatably provided at the top of the second fixed frame 304, a fixed shaft 307 is fixed at the middle position of the top of the third bevel gear 305, a positioning bar 308 is fixed on the outer wall of the fixed shaft 307, a lifting frame 302 is slidably provided on the outer wall of the fixed shaft 307 through the positioning bar 308, a plurality of aeration nozzles 309 are provided at the top of the lifting frame 302, a fourth bevel gear 306 is fixed at one end of one of the positioning gears 212, and the tooth surface of the third bevel gear 305 is meshed with the tooth surface of the fourth bevel gear 306;

[0043] A positioning screw rod 303 is fixedly provided at the top end of the first bevel gear 216, a lifting seat 311 is threadedly provided at one end of the outer wall of the positioning screw rod 303, a connecting frame 312 is connected to one end of the lifting seat 311, a connecting frame 312 is connected to one end of the connecting frame 312, a connecting ring 313 is connected to one end of the connecting frame 312, a connecting groove 314 is provided at the middle position of the lifting seat 311, the middle position of the connecting frame 312 and the middle position of the connecting ring 313, a connecting groove 315 is provided at the middle position of the connecting ring 313 and the bottom end of the outer wall of the lifting frame 302, and the inner wall of the connecting ring 313 is connected to the inner wall of the lifting frame 302 through the connecting groove 315;

[0044] An aeration pump 301 is fixedly provided at the top of the positioning frame 201, and a telescopic tube 310 is fixedly provided at the output end of the aeration pump 301, and the bottom end of the telescopic tube 310 is connected to a lifting seat 311;

[0045] By positioning the second fixing frame 304 fixed on the outer wall of the rotating frame 204 and rotating the fourth bevel gear 306 fixed on one end of one of the positioning gears 212, the third bevel gear 305 rotating on the top of the second fixing frame 304 is meshed and rotated, so that the fixed shaft 307 fixed on the top of the third bevel gear 305 drives the lifting frame 302 to rotate through the positioning of the positioning bar 308, and the positioning screw rod 303 fixed on the top of the first bevel gear 216 is rotated, so that the lifting seat 311 threadedly connected to the outer wall of the positioning screw rod 303 is driven to rotate through the connecting frame 312. The connecting ring 313 is driven to be lifted and lowered, so that the lifting frame 302 rotating on the inner wall of the connecting ring 313 is stably lifted and lowered along the fixed axis 307. The lifting frame 302 is connected through the connecting groove 314 provided on the lifting seat 311, the connecting frame 312 and the inner wall of the connecting ring 313, and the connecting groove 315 provided on the bottom end of the outer wall of the lifting frame 302 is connected, so that the lifting frame 302 is rotated along the top of the connecting ring 313 and gas exchange is facilitated, so that when cleaning the inside, the wastewater is synchronously subjected to rotary aeration treatment, thereby increasing the functionality of the treatment box mechanism 1 and achieving the effect of energy saving and emission reduction;

[0046] When the lifting frame 302 reaches the limit of lifting along the fixed axis 307 , the driving motor 211 rotates in the reverse direction.

[0047] As a specific embodiment of the present invention, an intelligent control panel is fixedly provided on one side of the wastewater treatment box 101, and the driving motor 211 is electrically connected to an external power supply through the intelligent control panel.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A municipal engineering environmentally friendly domestic wastewater treatment device, comprising a treatment box mechanism (1), characterized in that: A positioning cleaning mechanism (2) is fixedly provided at the top of the treatment box mechanism (1), and an auxiliary aeration mechanism (3) is connected to the middle of the positioning cleaning mechanism (2), wherein: The positioning and cleaning mechanism (2) comprises a positioning frame (201), a positioning sleeve (202) is fixedly provided at the middle position of the bottom of the positioning frame (201), a positioning toothed ring (205) is fixedly provided at the bottom end of the outer wall of the positioning sleeve (202), a positioning shaft (207) is rotatably provided at the middle position of the positioning sleeve (202), a rotating frame (204) is fixedly provided at the bottom end of the outer wall of the positioning shaft (207), a plurality of positioning gears (212) are rotatably provided on one side of the rotating frame (204), the tooth surfaces of the plurality of positioning gears (212) are meshed with each other, one end of the plurality of positioning gears (212) passes through the rotating frame (204) and is fixedly provided with a cleaning brush (213), and a first fixed frame (215) is fixedly provided at one end of the outer wall of the rotating frame (204). A first driving gear (214) is rotatably provided at the middle position of the first fixed frame (215), the tooth surface of the first driving gear (214) meshes with the tooth surface of the positioning gear ring (205), a first bevel gear (216) is fixedly provided at the top end of the first driving gear (214) and the top end of one of the positioning gears (212), the tooth surfaces of the two first bevel gears (216) mesh, a limiting frame (209) is fixedly provided at the top end of the rotating frame (204), a second driving gear (210) is rotatably provided at the middle position of the limiting frame (209), a driving motor (211) is fixedly provided at the bottom end of the limiting frame (209), and the output end of the driving motor (211) is fixedly connected to the middle position of the second driving gear (210).

2. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: One end of each of the two positioning gears (212) is fixedly provided with a second bevel gear (217), and the tooth surfaces of the two second bevel gears (217) are meshed.

3. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: The treatment box mechanism (1) comprises a wastewater treatment box (101), a slope guide frame (102) is fixedly provided at the middle position of the bottom of the wastewater treatment box (101), a conveying frame (103) is connected to the middle position of the slope guide frame (102), and one side of a plurality of cleaning brushes (213) are in contact with the inner wall of the wastewater treatment box (101).

4. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 3 is characterized by: A driving gear ring (203) is fixedly provided on the top end of the outer wall of the wastewater treatment box (101), and the tooth surface of the second driving gear (210) meshes with the tooth surface of the driving gear ring (203).

5. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: A positioning block (208) is fixedly provided at the top end of the positioning shaft (207), and a conveying auger (206) is fixedly provided at the bottom end of the positioning shaft (207), and the outer wall of the conveying auger (206) is in contact with the inner wall of the conveying frame (103).

6. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: The auxiliary aeration mechanism (3) comprises a second fixed frame (304) fixed at the middle position of the rotating frame (204); a third bevel gear (305) is rotatably provided at the top of the second fixed frame (304); a fixed shaft (307) is fixedly provided at the middle position of the top of the third bevel gear (305); a positioning bar (308) is fixedly provided on the outer wall of the fixed shaft (307); a lifting frame (302) is slidably provided on the outer wall of the fixed shaft (307) through the positioning bar (308); a plurality of aeration nozzles (309) are provided at the top of the lifting frame (302); a fourth bevel gear (306) is fixedly provided at one end of one of the positioning gears (212); and the tooth surface of the third bevel gear (305) meshes with the tooth surface of the fourth bevel gear (306).

7. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: A positioning screw rod (303) is fixedly provided at the top end of the first bevel gear (216); a lifting seat (311) is threadedly provided at one end of the outer wall of the positioning screw rod (303); a connecting frame (312) is connected to one end of the lifting seat (311); a connecting ring (313) is connected to one end of the connecting frame (312); a connecting groove (314) is provided at the middle position of the lifting seat (311), the middle position of the connecting frame (312) and the middle position of the connecting ring (313); a connecting groove (315) is provided at the middle position of the connecting ring (313) and the bottom end of the outer wall of the lifting frame (302); and an inner wall of the connecting ring (313) is connected to the inner wall of the lifting frame (302) through the connecting groove (315).

8. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 1 is characterized by: An aeration pump (301) is fixedly provided at the top end of the positioning frame (201), a telescopic tube (310) is fixedly provided at the output end of the aeration pump (301), and the bottom end of the telescopic tube (310) is in communication with a lifting seat (311).

9. The environmentally friendly domestic wastewater treatment device for municipal engineering according to claim 3 is characterized by: An intelligent control panel is fixedly provided on one side of the wastewater treatment box (101), and the drive motor (211) is electrically connected to an external power supply via the intelligent control panel.

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