CN204079703U - Urban river sewage treatment equipment - Google Patents

Abstract

The utility model discloses urban river sewage treatment equipment, which comprises a first sedimentation tank, a second sedimentation tank, a biological turntable and a partition; There is a sewage water inlet on the upper part of the side, and a partition net is arranged horizontally in the filter area below the sewage water inlet. Among them, a longitudinal first water pipe is provided in the middle of the partition plate, and the first sedimentation tank and the second sedimentation tank are connected to the second sedimentation tank. Two water pipes, the upper right side of the second sedimentation tank is connected to the third water pipe; the biological turntable is connected to the second sedimentation tank through the third water pipe, the right end of the biological turntable is connected to the left end of the fourth water pipe, and the right end of the fourth water pipe is connected to the filter Pond, the inside of the filter pool is provided with a vertical filter. The utility model has the advantages of simple structure and convenient use, and is equipped with two-stage sedimentation and multi-stage filtration, which can effectively remove solid impurities in sewage, ensure the effect of sewage precipitation, and improve the treatment effect of sewage.

Description

Urban river sewage treatment equipment

technical field

The utility model relates to sewage treatment, in particular to urban river sewage treatment equipment.

Background technique

In recent years, with the increase of enterprises in industrial parks in cities and the explosive growth of urban population, urban sewage discharge continues to increase, urban water environment is seriously polluted, urban rivers are often polluted, and the water in some urban rivers has been seriously polluted , Sewage contains a large amount of various domestic garbage and microbial content, which has a great impact on people's quality of life. Although some existing biochemical sewage treatment systems can meet the water quality requirements of discharged water, with the improvement of environmental protection requirements, some existing sewage treatment systems still need to be further strengthened or improved to further enhance their sewage treatment effects and improve the quality of effluent. water quality standards.

Utility model content

The purpose of the utility model is to provide a kind of urban river sewage treatment equipment with simple structure, low cost and good sewage treatment effect, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

Urban river sewage treatment equipment, including a first sedimentation tank, a second sedimentation tank, a biological turntable and a partition; the inner middle section of the first sedimentation tank is provided with a horizontal partition, and the partition divides the first sedimentation tank into an upper filter There are two parts: the upper left side of the first sedimentation tank and the upper left side of the first sedimentation tank. The upper end of the pool is provided with a cleaning port, wherein a longitudinal first water pipe is provided in the middle of the partition, and a horizontal grille is provided above the outlet of the first water pipe, and the first water pipe passes through the grille, and the first sedimentation The lower part of the left side of the tank is provided with a first cleaning port, the right side of the first sedimentation tank is provided with a water outlet, and the water outlet is in the lower sedimentation area and above the grid; in addition, the middle part of the left side of the second sedimentation tank is provided with There is a water inlet, the second water pipe is connected between the first sedimentation tank and the second sedimentation tank, a horizontal filter is installed above the water outlet of the second sedimentation tank, and a second cleaning port is provided on the lower left side of the second sedimentation tank , the upper right side of the second sedimentation tank is provided with a water outlet, the water outlet of the second sedimentation tank is above the filter screen, and the water outlet of the second sedimentation tank is connected to the third water pipe, and the third water pipe is provided with a second valve; The biological turntable is connected to the second sedimentation tank through a third water pipe. The anaerobic zone, the anoxic zone and the aerobic zone are arranged in the biological turntable from left to right, and the anaerobic zone, the anoxic zone and the aerobic zone There are several groups of rotating pieces. The axis of the biological turntable is equipped with a rotating shaft. The rotating piece is fixed on the rotating shaft. Connect to the left end of the fourth water pipe, the fourth water pipe is provided with a third valve, the right end of the fourth water pipe is connected to the filter tank, the inside of the filter tank is provided with a longitudinal filter, and the lower part of the right side of the filter tank is provided with an outlet pipe. A fourth valve is provided.

A further solution: the height of the water outlet pipe is lower than the fourth water pipe.

A further solution: the water outlet of the first sedimentation tank is higher in height than the water inlet of the second sedimentation tank.

Compared with the prior art, the utility model has a simple structure and is convenient to use. It is equipped with two-stage sedimentation and multi-stage filtration, which can effectively remove solid impurities in the water body and ensure the effect of sewage precipitation; it is equipped with a biological treatment device to further improve effect of sewage treatment.

Description of drawings

Figure 1 is a schematic diagram of the structure of urban river sewage treatment equipment.

In the figure: 1-first sedimentation tank, 2-second water pipe, 3-second sedimentation tank, 4-filter, 5-second valve, 6-third water pipe, 7-anaerobic zone, 8-anoxic Zone, 9-aerobic zone, 10-fourth water pipe, 11-third valve, 12-fourth valve, 13-outlet pipe, 14-filter, 15-filter tank, 16-right fixing frame, 17-rotating shaft , 18-rotary piece, 19-biological turntable, 20-left fixed frame, 21-motor, 22-second cleaning port, 23-first cleaning port, 24-grid, 25-first water pipe, 26- Partition net, 27-sewage water inlet, 28-first valve, 29-cleaning port, 30-partition plate.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Fig. 1, urban river sewage treatment equipment, including the first settling tank 1, the second settling tank 3, biological turntable 19 and partition 30; the inner middle section of the first settling tank 1 is provided with a transverse partition 30, The clapboard 30 divides the first settling tank into two parts, the upper filter area and the lower settling area. The upper left side of the first settling tank 1 is provided with a sewage water inlet 27, and the sewage water inlet 27 is provided with a first valve 28, and the sewage enters In the filter area below the water outlet 27, a partition screen 26 is horizontally provided. The partition screen 26 can preliminarily separate the bulk garbage in the river sewage. The large pieces of garbage on the screen 26 are collected and cleaned up, wherein a vertical first water pipe 25 is provided at the middle position of the partition plate 30, and a horizontal grid 24 is provided above the water outlet of the first water pipe 25, and the first water pipe 25 passes through the grid 24, the first cleaning port 23 is provided on the lower left side of the first sedimentation tank 1, and the water outlet is provided on the right side of the first sedimentation tank 1, and the water outlet is in the lower sedimentation area and above the grid 24 In addition, the left middle part of the second sedimentation tank 3 is provided with a water inlet, and the second water pipe 2 is connected between the water outlet of the first sedimentation tank 1 and the water inlet of the second sedimentation tank 3, and the first sedimentation tank 1 The water outlet is higher than the water inlet of the second sedimentation tank 3 in height, a horizontal filter screen 4 is arranged inside the water inlet of the second sedimentation tank 3, and a second cleaning port is provided on the lower left side of the second sedimentation tank 3 22. There is a water outlet on the upper right side of the second sedimentation tank 3, the water outlet of the second sedimentation tank 3 is above the filter screen 4, and the water outlet of the second sedimentation tank 3 is connected to the third water pipe 6, and the third water pipe 6 There is a second valve 5 on the top; when working, the sewage enters the interior of the first sedimentation tank 1 from the sewage water inlet 27, enters the separation net 26 for preliminary separation, and then enters the lower sedimentation area from the first water pipe 25, and the large particles in the sewage are After the grille 24 is blocked, it settles down. After the large particles accumulate more, the large particles can be cleaned up after the first cleaning port 23 is opened. The small particles in the sewage overflow from the water outlet together with the sewage into the second water pipe 2, and then Enter in the second settling tank 3, at this moment, small particles are isolated by filter screen 4 and precipitate in the second settling tank, after the small particles precipitate and gather more, open the second cleaning port 22 to clean up the small particles, and the remaining The water below overflows through the filter screen 4 and enters the third water pipe 6; the biological turntable 19 is connected to the second sedimentation tank 3 through the third water pipe 6, and the anaerobic zone 7 is arranged in the biological turntable 19 from left to right , the anoxic zone 8 and the aerobic zone 9, the anaerobic zone 7, the anoxic zone 8 and the aerobic zone 9 are all provided with several groups of rotating pieces 18, and the axis of the biological turntable 19 is provided with a rotating shaft 17, and the rotating pieces 18 are fixed On the rotating shaft 17, the left end of the rotating shaft 17 is connected to the left fixed frame 20, the right end of the rotating shaft 17 is connected to the right fixed frame 16, and the left end of the rotating shaft 17 is connected to the motor 21. The biological reaction carried out in the aerobic zone 9 in the biological turntable 19 eliminates the raw sewage A large amount of organic carbon sources in the waste water have been nitrified to realize the removal of carbon sources, ammonia nitrogen and other substances in the raw sewage. The right end of the biological turntable 19 is connected to the left end of the fourth water pipe 10, and the fourth water pipe 10 is provided with a third valve 11 , The right end of the fourth water pipe 10 is connected to the filter tank 15, and the inside of the filter tank 15 is provided with a vertical filter 14, and the lower right side of the filter tank 15 is provided with a water outlet pipe 13, and the water outlet pipe 13 is provided with a fourth valve 12, and the water outlet pipe 13 It is lower than the fourth water pipe 10 in height; during work, the water body treated by the filter screen 4 enters the biological turntable 19, and the water body undergoes a biochemical reaction in the biological turntable 19 to remove carbon sources, ammonia nitrogen and other substances in the water body, and then Filter in the filter pool 15 to further remove some suspended solids and a small amount of organic matter to ensure that the water outlet standard is reached.

Claims (3)

1. city river sewage disposal device, comprises the first settling tank (1), the second settling tank (3), blodisc (19) and dividing plate (30), it is characterized in that, the stage casing, inside of described first settling tank (1) is provided with horizontal dividing plate (30), first settling tank is divided into upper filtrating area and lower settling region two portions by dividing plate (30), the left upper portion of the first settling tank (1) is provided with sewage inlet (27), sewage inlet (27) is provided with the first valve (28), in the filtrating area of sewage inlet (27) below, transverse direction is provided with filter (26), the upper end of the first settling tank (1) is provided with clean-up port (29), wherein, dividing plate (30) middle position is provided with longitudinal the first water pipe (25), horizontal grid (24) is provided with above the effluent pipe mouth of the first water pipe (25), and the first water pipe (25) is through grid (24), the left lower of the first settling tank (1) is provided with the first soil cleaning port (23), the right side of the first settling tank (1) is provided with water outlet, and the water outlet of the first settling tank (1) is in lower settling region and in the top of grid (24), in addition, the left side central portion of described second settling tank (3) is provided with water-in, the second water pipe (2) is connected between first settling tank (1) and the second settling tank (3), the water outlet upper interior of the second settling tank (3) is provided with horizontal filter screen (4), the left lower of the second settling tank (3) is provided with the second soil cleaning port (22), the right upper portion of the second settling tank (3) is provided with water outlet, the water outlet of the second settling tank (3) is in the top of filter screen (4), and the water outlet of the second settling tank (3) connects the 3rd water pipe (6), 3rd water pipe (6) is provided with the second valve (5), be connected by the 3rd water pipe (6) between described blodisc (19) with the second settling tank (3), anaerobic zone (7) is from left to right provided with successively in blodisc (19), oxygen-starved area (8) and aerobic zone (9), anaerobic zone (7), some groups of rotors (18) are equipped with in oxygen-starved area (8) and aerobic zone (9), blodisc (19) axle center place is provided with rotating shaft (17), rotor (18) is fixed in rotating shaft (17), the left end of rotating shaft (17) connects left anchor (20), the right-hand member of rotating shaft (17) connects right anchor (16), the left end of rotating shaft (17) connects motor (21), the right-hand member of blodisc (19) connects the left end of the 4th water pipe (10), 4th water pipe (10) is provided with the 3rd valve (11), the right-hand member of the 4th water pipe (10) connects filtering basin (15), filtering basin (15) inside is provided with longitudinal strainer (14), the lower right side of filtering basin (15) is provided with rising pipe (13), rising pipe (13) is provided with the 4th valve (12).

2. city river sewage disposal device according to claim 1, is characterized in that, described rising pipe (13) in height will lower than the 4th water pipe (10).

3. city river sewage disposal device according to claim 1, is characterized in that, the water outlet of described first settling tank (1) is in height higher than the water-in of the second settling tank (3).