CN211226801U - Urban sewage treatment system - Google Patents
Urban sewage treatment system Download PDFInfo
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- CN211226801U CN211226801U CN201921774402.1U CN201921774402U CN211226801U CN 211226801 U CN211226801 U CN 211226801U CN 201921774402 U CN201921774402 U CN 201921774402U CN 211226801 U CN211226801 U CN 211226801U
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Abstract
The utility model discloses an urban sewage treatment system, which comprises a grit chamber, a primary sedimentation tank, a biological treatment tank, a secondary sedimentation tank, a coagulating sedimentation tank and a filtering tank which are connected in sequence; the grit chamber is connected with the sewage collecting pipe and the filtering tank is connected with the clear water drainage pipe; the grit chamber comprises a chamber body, a motor and a speed reducer are arranged at the top of the chamber body, the motor is connected with the speed reducer, and an upper chamber and a lower chamber which are communicated with each other are arranged in the chamber body; a water inlet and a water outlet are arranged on the side part of the upper bin; the side wall of the lower bin is of a spiral structure, the tail end of the side wall of the spiral structure at the bottom of the bin is provided with a sand suction pump, and the sand suction pump is provided with a sand discharge pipe extending out of the top of the pool body. The utility model discloses carry out comprehensive treatment to municipal sewage, design neotype grit chamber, improved the paddle.
Description
Technical Field
The utility model relates to an environmental protection field especially relates to an urban sewage treatment system.
Background
Environmental protection directly affects the sustainable development of national economy. Especially the pollution of the urban sewage to the atmosphere, rivers, lakes, oceans, soil and the like which directly endanger the living environment of people. If the utility model discloses a "a municipal sewage treatment system", application number 201721726416.7 etc. discloses present municipal sewage treatment system's general structure, including grit chamber, just heavy pond, two heavy ponds, coagulation basin etc. that connect gradually promptly. However, in the urban sewage treatment system in the prior art, the grit chamber usually adopts a simple sedimentation tank structure, so that the problem of low efficiency exists.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a municipal sewage treatment system carries out integrated treatment to municipal sewage to the not enough and defect of prior art, designs neotype grit chamber, has improved the paddle.
The technical scheme is as follows: the utility model discloses an urban sewage treatment system, its characterized in that: comprises a grit chamber, a primary sedimentation tank, a biological treatment tank, a secondary sedimentation tank, a coagulating sedimentation tank and a filtering tank which are connected in sequence; the grit chamber is connected with the sewage collecting pipe, and the filtering tank is connected with the clear water drainage pipe;
the grit chamber comprises a chamber body, a motor and a speed reducer are arranged at the top of the chamber body, the motor is connected with the speed reducer, and an upper bin and a lower bin which are communicated with each other are arranged in the chamber body; a water inlet and a water outlet are formed in the side part of the upper bin; the side wall of the lower bin is of a spiral structure, the tail end of the side wall of the spiral structure at the bottom of the bin is provided with a sand suction pump, and the sand suction pump is provided with a sand discharge pipe extending out of the top of the pool body;
the bottom of the speed reducer is connected with a transmission shaft extending into the pool body, blades are arranged on two sides of the bottom of the transmission shaft and positioned between the upper bin and the lower bin; two sides of the bottom of the transmission shaft are provided with connecting grooves, the connecting grooves consist of a U-shaped plate, a back panel, side plates and a bottom plate, the front side of each connecting groove is provided with a groove body, the connecting grooves are of a top opening structure, 4 corners of the back panel are provided with connecting holes I, and the 4 connecting holes I correspond to the openings of the U-shaped plate; the paddle link is equipped with connecting plate and 4 angles of connecting plate offer the connecting hole II that corresponds with connecting hole I, and the connecting plate is located the cell body and connecting plate and spread groove are connected through passing the bolt that corresponds connecting hole II and connecting hole I.
Wherein, the upper portion storehouse and the lower part storehouse junction, upper portion storehouse bottom is the inclined plane structure.
Wherein, the vertical cross-sectional shape of the paddle is rectangular, square, oval or circular.
Wherein, the paddle is a plastic paddle and the connecting plate is a plastic plate body.
The nut of the bolt is positioned on the side of the connecting plate, and a gasket is arranged between the nut and the connecting plate.
Has the advantages that: compared with the prior art, the utility model has the following apparent advantage: the utility model discloses a grit chamber, primary sedimentation tank, biological treatment pond, secondary sedimentation tank, coagulating sedimentation tank and the filtering ponds that connect gradually carry out integrated treatment to municipal sewage. And simultaneously, the utility model relates to a neotype grit chamber, whirl grit and through pump body sand discharge, the paddle of modified also helps quick grit.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the grit chamber of the present invention;
fig. 3 is a schematic view of a connection structure between a transmission shaft and a blade of the grit chamber of the present invention;
in the figure, 1 is a motor, 2 is a speed reducer, 3 is a transmission shaft, 4 is a paddle, 5 is a tank body, 6 is an upper bin, 7 is a lower bin, 8 is a water inlet, 9 is a water outlet, 10 is a sand suction pump, 11 is a sand discharge pipe, 12 is a connecting groove, 13 is a connecting hole I, 14 is a tank body, 15 is a connecting plate, 16 is a connecting hole II, and 17 is a bolt.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and the detailed description.
The utility model discloses an urban sewage treatment system, which comprises a grit chamber, a primary sedimentation tank, a biological treatment tank, a secondary sedimentation tank, a coagulating sedimentation tank and a filtering tank which are connected in sequence; the grit chamber is connected with the sewage collecting pipe and the filtering tank is connected with the clear water drainage pipe; the grit chamber comprises a chamber body 5, a motor 1 and a speed reducer 2 are arranged at the top of the chamber body 5, the motor 1 is connected with the speed reducer 2, and an upper chamber 6 and a lower chamber 7 which are communicated with each other are arranged in the chamber body 5; the side part of the upper bin 6 is provided with a water inlet 8 and a water outlet 9; the side wall of the lower bin 7 is of a spiral structure, the tail end of the side wall of the spiral structure at the bottom of the bin is provided with a sand suction pump 10, and the sand suction pump 10 is provided with a sand discharge pipe 11 extending out of the top of the pool body 5; the bottom of the speed reducer 2 is connected with a transmission shaft 3 extending into the tank body 5, blades 4 are arranged on two sides of the bottom of the transmission shaft 3, and the blades 4 are positioned between an upper bin 6 and a lower bin 7; two sides of the bottom of the transmission shaft 3 are provided with connecting grooves 12, the connecting grooves 12 are composed of a U-shaped plate on the front side, a back panel, side plates on two sides and a bottom plate, the connecting grooves 12 are of a top opening structure and internally provided with groove bodies 14, 4 corners of the back panel are provided with connecting holes I13, and 4 connecting holes I13 correspond to the openings of the U-shaped plate; the connecting end of the paddle 4 is provided with a connecting plate 15, the 4 corners of the connecting plate 15 are provided with connecting holes II16 corresponding to the connecting holes I13, the connecting plate 15 is positioned in the groove body 14, and the connecting plate 15 and the connecting groove 12 are connected through bolts 17 penetrating through the corresponding connecting holes II16 and the connecting holes I13. Wherein, the upper portion storehouse 6 and the lower part storehouse 7 junction, upper portion storehouse 6 bottom is the inclined plane structure. The vertical cross-sectional shape of the blade 4 is rectangular, square, oval or circular. The paddle 4 is a plastic paddle and the connecting plate 15 is a plastic plate. The nut of the bolt 17 is located on the side of the connecting plate 15 and a gasket is arranged between the nut and the connecting plate 15.
When in use, the grit chamber collects sewage and filters some sand impurities through precipitation; the primary sedimentation tank is used for primary sedimentation of sewage; the biological treatment tank is used for carrying out biochemical treatment on sewage; the secondary sedimentation tank is used for carrying out secondary sedimentation on the treated sewage; the coagulating sedimentation tank is used for coagulating sedimentation of the sewage; the filtering tank is used for filtering and purifying water.
The water body enters from the sewage collecting pipe, sequentially passes through the grit chamber, the primary sedimentation tank, the biological treatment tank, the secondary sedimentation tank, the coagulating sedimentation tank and the filtering tank, and is finally discharged from the clear water drain pipe, so that the treatment of the urban sewage is completed.
The utility model discloses a sand basin of brand-new design, water from water inlet 8 get into upper portion storehouse 6 and discharge from delivery port 9, the grit in the water drops to lower part storehouse 7 from upper portion storehouse 6 because of the action of gravity, is in the same direction as helical structure's 7 lateral walls in lower part storehouse and collects the helical structure lateral wall end to the bottom of the storehouse, inhales the grit through sand pump 10 outside sand discharge pipe 11 discharges to cell body 5.
Meanwhile, the motor 1 and the speed reducer 2 are started, the transmission shaft 3 is driven to rotate, the blades 4 on two sides of the bottom of the transmission shaft 3 are driven to rotate, water flow is adjusted, and sand and stones are promoted to be collected along the side wall of the lower bin 7 with the spiral structure. When installation and change installation paddle 4, put into cell body 14 with connecting plate 15 in, correspond connecting hole I13 and connecting hole II16, then carry out being connected of connecting plate 15 and spread groove 12 quality control through passing bolt 17 that corresponds connecting hole II16 and connecting hole I13, and then connecting transmission shaft 3 and paddle 4, be convenient for installation, dismantlement and change installation.
Claims (5)
1. Municipal sewage treatment system, its characterized in that: comprises a grit chamber, a primary sedimentation tank, a biological treatment tank, a secondary sedimentation tank, a coagulating sedimentation tank and a filtering tank which are connected in sequence; the grit chamber is connected with the sewage collecting pipe, and the filtering tank is connected with the clear water drainage pipe;
the grit chamber comprises a chamber body (5), a motor (1) and a speed reducer (2) are arranged at the top of the chamber body (5), the motor (1) is connected with the speed reducer (2), and an upper bin (6) and a lower bin (7) which are communicated with each other are arranged in the chamber body (5); a water inlet (8) and a water outlet (9) are formed in the side part of the upper bin (6); the side wall of the lower bin (7) is of a spiral structure, a sand suction pump (10) is arranged at the tail end of the side wall of the spiral structure at the bottom of the bin, and the sand suction pump (10) is provided with a sand discharge pipe (11) extending out of the top of the pool body (5);
the bottom of the speed reducer (2) is connected with a transmission shaft (3) extending into the tank body (5), blades (4) are arranged on two sides of the bottom of the transmission shaft (3), and the blades (4) are positioned between an upper bin (6) and a lower bin (7); two sides of the bottom of the transmission shaft (3) are provided with connecting grooves (12), the connecting grooves (12) consist of a U-shaped plate on the front side, a back panel, side plates on two sides and a bottom plate, the connecting grooves (12) are of a top opening structure, a groove body (14) is arranged in the connecting grooves, 4 corners of the back panel are provided with connecting holes I (13), and the 4 connecting holes I (13) correspond to the openings of the U-shaped plate; connecting holes II (16) corresponding to the connecting holes I (13) are formed in 4 corners where connecting plates (15) are arranged at the connecting ends of the blades (4) and the connecting plates (15), the connecting plates (15) are located in the groove bodies (14), and the connecting plates (15) are connected with the connecting grooves (12) through bolts (17) penetrating through the corresponding connecting holes II (16) and the connecting holes I (13).
2. The municipal sewage treatment system according to claim 1, wherein: the upper bin (6) is connected with the lower bin (7), and the bottom of the upper bin (6) is of an inclined plane structure.
3. The municipal sewage treatment system according to claim 1, wherein: the vertical section of the paddle (4) is rectangular, square, oval or circular.
4. The municipal sewage treatment system according to claim 1, wherein: the paddle (4) is a plastic paddle and the connecting plate (15) is a plastic plate body.
5. The municipal sewage treatment system according to claim 1, wherein: the nut of the bolt (17) is positioned at the side part of the connecting plate (15), and a gasket is arranged between the nut and the connecting plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774402.1U CN211226801U (en) | 2019-10-22 | 2019-10-22 | Urban sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774402.1U CN211226801U (en) | 2019-10-22 | 2019-10-22 | Urban sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211226801U true CN211226801U (en) | 2020-08-11 |
Family
ID=71938379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921774402.1U Active CN211226801U (en) | 2019-10-22 | 2019-10-22 | Urban sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211226801U (en) |
-
2019
- 2019-10-22 CN CN201921774402.1U patent/CN211226801U/en active Active
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