CN207512050U - A kind of urban sewage purification device - Google Patents

Abstract

The utility model discloses an urban sewage purification device, which comprises a water inlet pipe, a sewage pump, a sewage pool, a filter device, a grid, a water outlet tank, a primary sedimentation tank, a reagent box, a first water outlet pipe, an aeration tank, and an aeration device , blower, aeration pipe, second water outlet pipe, final sedimentation tank, permeable pipe, water collection pipe, recovery tank and valve, the top of the sewage pool is equipped with a water inlet pipe, and the sewage pump is connected to the sewage pool through the water inlet pipe, so The interior of the sewage pool is equipped with a filter device, the bottom of the filter device is equipped with a grid, and a water outlet is installed on one side of the grid, and the sewage pool is connected with the primary sedimentation tank through the water outlet. A reagent box is installed inside the tank, and a first outlet pipe is installed on one side of the primary sedimentation tank, and the primary sedimentation tank is connected to the aeration tank through the first outlet pipe. The sewage purification device is simple to operate and has the functions of purifying sewage and The function of recycling sewage.

Description

A kind of urban sewage purification device

technical field

The utility model relates to the technical field of water recycling, in particular to an urban sewage purification device.

Background technique

Municipal sewage, that is, domestic sewage, industrial wastewater and runoff sewage within urban areas. Generally, it is collected by urban pipes and channels and should be treated by urban sewage treatment plants before being discharged into water bodies. In addition to containing a large amount of organic matter, germs and viruses in urban sewage, due to the high development of industry, the water volume of industrial wastewater (accounting for about 60-80% of the total urban sewage), the water quality is becoming more and more complex and the pollution of runoff sewage is becoming more and more serious, making urban sewage Contains various types and degrees of various toxic and harmful pollutants; currently, the sewage purification devices on the market have unsatisfactory purification effects, and cannot recycle water, resulting in waste of water resources. Therefore, it is necessary to design an urban sewage purification device is necessary.

Utility model content

The purpose of this utility model is to provide an urban sewage purification device to solve the problems raised in the above-mentioned background technology.

In order to solve the above technical problems, the utility model provides the following technical solutions:

An urban sewage purification device, comprising a water inlet pipe (1), a sewage pump (2), a sewage tank (3), a filter device (4), a grille (7), a water outlet tank (8), and a primary sedimentation tank (9) , reagent box (10), first water outlet pipe (11), aeration tank (12), aeration device (13), blower (14), aeration pipe (15), second water outlet pipe (16), final Settling tank (17), soft permeable pipe (18), water collecting pipe (19), recovery tank (20) and control valve (21), characterized in that: the top of the sewage tank (3) is installed with a water inlet pipe ( 1), and the sewage pump (2) is connected to the sewage pool (3) through the water inlet pipe (1), the interior of the sewage pool (3) is equipped with a filter device (4), and the bottom of the filter device (4) is installed There is a grille (7), and a water outlet is installed on one side of the grille (7), and the sewage pool (3) is connected with the primary sedimentation tank (9) through the water outlet (8), and the primary sedimentation tank ( 9) is equipped with a reagent box (10) inside, and a first outlet pipe (11) is installed on one side of the primary sedimentation tank (9), and the primary sedimentation tank (9) communicates with the exposure through the first outlet pipe (11) The aeration tank (12) is connected, and an aeration device (13) is installed inside the aeration tank (12), and the aeration pipe (15) of the aeration device (13) is connected with the blower (14), and the A second water outlet pipe (16) is installed at the bottom of the aeration tank (12), and the aeration tank (12) is connected to the final sedimentation tank (17) through the second water outlet pipe (16), and the final sedimentation tank (17) A soft permeable pipe (18) is installed on one side of the interior, the bottom of the soft permeable pipe (18) is connected to the water collection pipe (19), and the soft permeable pipe (18) passes through the water collection pipe (19) and the recovery tank (20) connection; a first return pipe (22) is provided between the recovery tank (20) and the sewage tank (3), and a first electromagnetic valve is provided on the first return pipe (22); the recovery tank (20) and the initial A second return pipe (23) is provided between the sedimentation tanks (9), and a second solenoid valve is provided on the second return pipe (23); a third return pipe (23) is provided between the recovery tank (20) and the aeration tank (12). The return pipe (24), the third return pipe (24) is provided with a third solenoid valve; the fourth return pipe (24) is provided between the recovery tank (20) and the final sedimentation tank (17), and the fourth return pipe ( 24) is provided with a fourth solenoid valve.

The recovery pool (20) is provided with a suspension content detection device, a pH detection device and a microorganism content detection device.

When the pH detection device and microbial content detection device detect that the sewage is up to the standard, but the suspended matter content detection device detects that the sewage is not up to the standard, the control unit automatically activates the fourth electromagnetic valve on the fourth return pipe (25), so that the sewage in the recovery tank flows back Further sedimentation and filtration in the final settling tank (17).

When the pH detection device, the microbial content detection device and the suspended matter content detection device all detect that the sewage has not reached the standard, the control unit automatically activates the first electromagnetic valve on the first return pipe (22), so that the sewage in the recovery tank is returned to the sewage tank (3) reprocessed.

When the pH detection device detects that the sewage does not meet the standard, the control unit automatically activates the second solenoid valve on the second return pipe (23), so that the sewage in the recovery tank flows back to the primary sedimentation tank (9) for reprocessing.

When the pH detection device and the suspended matter content detection device detect that the sewage is up to the standard, but the microbial content detection device detects that the sewage is not up to the standard, the control unit automatically activates the third solenoid valve on the third return pipe (24), so that the sewage in the recovery tank flows back Reprocess in the aeration tank (12).

Further, one side of the water inlet pipe is connected to a city sewage pipe.

Further, the filtering device is composed of two parts, a quartz sand filter and an activated carbon filter, and the upper part of the filtering device is equipped with a quartz sand filter, and the bottom is equipped with an activated carbon filter.

Further, the aeration pipe is connected with the exhaust hole of the blower.

Further, control valves are installed on the pipes of the water inlet pipe, the water outlet pipe, the first water outlet pipe, the second water outlet pipe and the water collection pipe.

Compared with the prior art, the beneficial effects achieved by the utility model are:

(1) The utility model can selectively return the sewage to a specific treatment pool for treatment when the pollutants are not treated up to standard by setting multiple return pipes and cooperating with the pollutant monitoring device in the recovery pool, thus improving the The treatment efficiency also saves the cost of sewage treatment.

(2) The urban sewage purification device, when in use, opens the control valve, the water inlet pipe is supplied by the urban sewage pipeline, and is transported to the sewage pool by the sewage pump. In the sewage pool, the quartz sand filter and activated carbon filter in the filter device can Most of the floating matter, sand and large particles in the sewage are filtered. When the sewage passes through the grille, the grille further filters out the sundries left by the filter device due to imperfect filtration. The sewage enters the primary sedimentation tank through the outlet tank. Preliminary precipitation is carried out, so that the fine particles in the sewage can be precipitated. If the water quality is too acidic or too alkaline, the corresponding reagent can be put into the reagent box to carry out the acid-base treatment of the water quality. The treated sewage is passed through the first stage Once the water outlet pipe is transported to the aeration tank, the blower works, and the aeration device uses the activated sludge method to treat the sewage. A certain sewage residence time is provided in the tank, and the aeration tube transports a large amount of air to meet the oxygen required by the aerobic microorganisms. And the mixing conditions of full contact between sewage and activated sludge can degrade organic pollutants to the greatest extent. The purified sewage enters the final sedimentation tank through the second outlet pipe, and the sewage in the final sedimentation tank will not settle and remain in the previous process. Due to its strong water seepage effect, the soft permeable pipe can transport the purified water in the final sedimentation tank to the water collection pipe, and the water collection pipe will transport the purified water to the recovery tank for storage, which can achieve clean discharge The effect of water will not cause secondary pollution to the environment. As the second water resource in the city, urban sewage can be reused for industrial and municipal cleaning and greening. It is an effective way to solve the shortage of water resources and can effectively reduce the burden on water resources.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of the sewage tank of the present utility model;

Fig. 3 is the structural representation of the aeration tank of the present utility model;

In the figure: 1-sewage pipe; 2-sewage pump; 3-sewage tank; 4-filter device; 5-quartz sand filter; 6-activated carbon filter; 7-grid; 8-outlet tank; 9-primary sedimentation Pool; 10-reagent box; 11-first outlet pipe; 12-aeration tank; 13-aeration device; 14-blower; 15-aeration pipe; 16-second outlet pipe; 17-final sedimentation tank; 18 -soft permeable pipe; 19-collecting pipe; 20-recovery tank; 21-control valve; 22-first return pipe; 22-second return pipe; 23-third return pipe; 24-fourth return pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: an urban sewage purification device, including a water inlet pipe 1, a sewage pump 2, a sewage pool 3, a filter device 4, a grille 7, a water outlet tank 8, a primary sink Pool 9, reagent box 10, first water outlet pipe 11, aeration tank 12, aeration device 13, blower 14, aeration pipe 15, second water outlet pipe 16, final sedimentation tank 17, soft permeable pipe 18, water collection pipe 19. Recovery pool 20 and control valve 21, characterized in that: the top of the sewage pool 3 is installed with a water inlet pipe 1, and the sewage pump 2 is connected to the sewage pool 3 through the water inlet pipe 1, and the inside of the sewage pool 3 is installed Filtration device 4, grille 7 is installed on the bottom of described filtration device 4, and water outlet tank is installed on one side of described grille 7, and described sewage pond 3 is connected with primary sedimentation tank 9 by water outlet groove 8, and described primary sedimentation Reagent box 10 is installed in the inside of pond 9, and first outlet pipe 11 is installed on one side of described primary sedimentation pond 9, and primary sedimentation pond 9 is connected with aeration tank 12 by first outlet pipe 11, and described aeration pond The inside of 12 is equipped with an aeration device 13, the aeration pipe 15 of the aeration device 13 is connected with the blower 14, the bottom of the aeration tank 12 is equipped with a second outlet pipe 16, and the aeration tank 12 passes through the second The outlet pipe 16 is connected to the final sedimentation tank 17, and a soft permeable pipe 18 is installed on one side of the final sedimentation tank 17. The bottom of the soft permeable pipe 18 is connected to the water collection pipe 19, and the soft permeable pipe 18 passes through The water collection pipe 19 is connected with the recovery tank 20; the first return pipe 22 is provided between the recovery tank 20 and the sewage tank 3, and the first electromagnetic valve is provided on the first return pipe 22; There is a second return pipe 23, and a second solenoid valve is provided on the second return pipe 23; a third return pipe 24 is provided between the recovery tank 20 and the aeration tank 12, and a third solenoid valve is provided on the third return pipe 24 ; A fourth return pipe 24 is provided between the recovery tank 20 and the final sedimentation tank 17, and a fourth solenoid valve is provided on the fourth return pipe 24.

The recovery tank 20 is provided with a suspension content detection device, a pH detection device and a microorganism content detection device.

One side of the sewage pipe 1 is connected to a city sewage pipeline.

Filter device 4 is made of two parts, quartz sand filter screen 5 and activated carbon filter screen 6, and the top of filter device 4 is equipped with quartz sand filter screen 5, and the bottom is equipped with activated carbon filter screen 6.

The aeration pipe 15 is connected with the exhaust hole of the air blower 14 .

Control valves 21 are all installed on the pipelines of the sewage pipe 1, the water outlet tank 8, the first water outlet pipe 11, the second water outlet pipe 16 and the water collection pipe 19.

Working principle: Open the control valve 21, the water inlet pipe 1 is supplied by the urban sewage pipeline, and is transported to the sewage pool 3 by the sewage pump 2. In the sewage pool 3, the quartz sand filter 5 and the activated carbon filter 6 in the filter device 4 can Most of the floating matter, sand and large particles in the sewage are filtered. When the sewage passes through the grille 7, the grille 7 further filters out the sundries left by the filter device 4 due to imperfect filtration, and the sewage enters through the outlet tank 8. In the primary sedimentation tank 9, preliminary precipitation is carried out, so that the fine particles in the sewage can be precipitated. If the water quality is too acidic or too alkaline, corresponding reagents can be put into the reagent box 10, so as to carry out the acid-base treatment of the water quality. The treated sewage is transported to the aeration tank 12 through the first outlet pipe 11, the blower 14 works, the aeration device 13 uses the activated sludge method for sewage treatment, a certain sewage residence time is provided in the tank, and the aeration pipe 15 transports a large amount of air out, so as to meet the oxygen required by aerobic microorganisms and the mixing conditions of full contact between sewage and activated sludge, and degrade organic pollutants to the greatest extent. The purified sewage enters the final sedimentation tank 17 through the second outlet pipe 16, The sewage in the final sedimentation tank 17 will further precipitate the unsettled pollutants in the previous process. The soft permeable pipe 18 can transport the purified water in the final sedimentation tank 17 to the water collection pipe 19 because of its strong water seepage effect , the water collecting pipe 19 transports the clean water to the recovery tank 20 for storage, which can achieve the effect of discharging clean water.

When the pH detection device and the microbial content detection device detect that the sewage is up to the standard, but the suspended matter content detection device detects that the sewage is not up to the standard, the control unit automatically activates the fourth electromagnetic valve on the fourth return pipe 25, so that the sewage in the recovery tank is refluxed to the end. Further precipitate and filter in the settling tank 17.

When the pH detection device, the microbial content detection device and the suspended matter content detection device all detect that the sewage is not up to the standard, the control unit automatically activates the first electromagnetic valve on the first return pipe 22, so that the sewage in the recovery tank is returned to the sewage tank 3 Reprocess.

When the pH detection device detects that the sewage does not meet the standard, the control unit automatically activates the second solenoid valve on the second return pipe 23, so that the sewage in the recovery tank flows back to the primary sedimentation tank 9 for reprocessing.

When the pH detection device and the suspended matter content detection device detect that the sewage is up to the standard, but the microbial content detection device detects that the sewage is not up to the standard, the control unit automatically activates the third electromagnetic valve on the third return pipe 24, so that the sewage in the recovery tank is returned to the exposure. Gas pool 12 for reprocessing.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. An urban sewage purification device, comprising a water inlet pipe (1), a sewage pump (2), a sewage tank (3), a filter device (4), a grille (7), an outlet tank (8), and a primary sedimentation tank ( 9), reagent box (10), first outlet pipe (11), aeration tank (12), aeration device (13), blower (14), aeration pipe (15), second outlet pipe (16) , final sedimentation tank (17), soft permeable pipe (18), water collection pipe (19), recovery tank (20) and control valve (21), characterized in that: the top of the sewage tank (3) is installed with advanced The water pipe (1), and the sewage pump (2) is connected to the sewage pool (3) through the water inlet pipe (1), and the interior of the sewage pool (3) is equipped with a filter device (4), and the filter device (4) A grille (7) is installed at the bottom, and a water outlet is installed on one side of the grille (7). The sewage pool (3) is connected to the primary sedimentation tank (9) through the water outlet (8). A reagent box (10) is installed inside the tank (9), and a first outlet pipe (11) is installed on one side of the primary sedimentation tank (9), and the primary sedimentation tank (9) passes through the first outlet pipe (11) Connected with the aeration tank (12), the inside of the aeration tank (12) is equipped with an aeration device (13), and the aeration pipe (15) of the aeration device (13) is connected with the blower (14), A second water outlet pipe (16) is installed at the bottom of the aeration tank (12), and the aeration tank (12) is connected to the final sedimentation tank (17) through the second water outlet pipe (16), and the final sedimentation tank ( The inner side of 17) is equipped with a soft permeable pipe (18), the bottom of the soft permeable pipe (18) is connected to the water collection pipe (19), and the soft permeable pipe (18) is connected to the water collection pipe (19) The recovery tank (20) is connected; a first return pipe (22) is provided between the recovery tank (20) and the sewage tank (3), and a first solenoid valve is provided on the first return pipe (22); the recovery tank (20) There is a second return pipe (23) between the primary sedimentation tank (9) and a second solenoid valve on the second return pipe (23); there is a The third return pipe (24), the third solenoid valve is provided on the third return pipe (24); the fourth return pipe (25) is provided between the recovery tank (20) and the final sedimentation tank (17), and the fourth return The pipe (25) is provided with a fourth electromagnetic valve. 2 . The urban sewage purification device according to claim 1 , characterized in that: the recovery tank ( 20 ) is provided with a suspension content detection device, a pH detection device and a microorganism content detection device. 3 . 3. The urban sewage purification device according to claim 2, characterized in that: one side of the water inlet pipe (1) is connected to an urban sewage pipeline. 4. An urban sewage purification device according to claim 2, characterized in that: the filter device (4) is composed of two parts, a quartz sand filter (5) and an activated carbon filter (6), and the filter ( 4) A quartz sand filter (5) is installed on the upper part, and an activated carbon filter (6) is installed on the bottom. 5. The urban sewage purification device according to claim 2, characterized in that: the aeration pipe (15) is connected to the exhaust hole of the blower (14). 6. An urban sewage purification device according to claim 2, characterized in that: the water inlet pipe (1), the water outlet tank (8), the first water outlet pipe (11), the second water outlet pipe (16) and Control valves (21) are all installed on the pipeline of water collecting pipe (19).