CN217535747U - Rural sewage modular treatment system - Google Patents

Abstract

The application relates to the technical field of sewage treatment, in particular to a rural sewage modular treatment system which comprises a sewage pool, a sewage pretreatment module, a sewage homogenizing and equalizing module, a sewage treatment module and a sewage disinfecting and discharging module, wherein a first control valve is arranged at a pipeline between the sewage pretreatment module and the sewage homogenizing and equalizing module, a water delivery pipe is arranged between the sewage pretreatment module and the sewage treatment module, and a second control valve is arranged at the water delivery pipe; the sewage pretreatment module is provided with a first water quality sensor and a first water level sensor, the first water quality sensor and the first water level sensor are both connected with the controller, and the controller is used for receiving water quality information and water level information and controlling the opening and closing of the first control valve or the second control valve. The equipment is in a modular design, different treatment processes can be carried out according to the water quality and the water quantity of sewage, and the waste of resources is effectively reduced while the sewage treatment effect is improved.

Description

Rural sewage modular treatment system

Technical Field

The application relates to the technical field of sewage treatment, in particular to a rural sewage modular treatment system.

Background

With the advancement of urbanization process, rural sewage treatment is an important component of new rural construction. Rural domestic sewage is one of non-point source pollution sources, more than 90% of the national domestic sewage or fecal wastewater is directly discharged to underground or lakes and other drainage basins, and part of eutrophication of Taihu lakes and Dian ponds is from rural domestic sewage. The random discharge of rural sewage and the use of dry toilets cause the pollution of water environments such as rivers, lakes, watershed, underground water and the like.

Rural domestic sewage treatment processes are more, such as biological contact oxidation, MBR, activated sludge, biological filter and the like. The treatment process adopted by rural domestic sewage in different living areas is different. However, the difference between the water quality and the water quantity of the rural domestic sewage in different time periods is larger due to different living habits, living styles and the like in the same rural area. For example, the water displacement is more in the morning and evening than in the daytime, and the water displacement is less at night; the emission in summer is large, and the emission in winter is small; the water quality is unstable, and the water quality difference in different time periods is large.

At present, the rural areas mostly adopt complete sewage treatment equipment to treat sewage, so that the cost is high, the equipment needs to be invested once, and the secondary turnover cannot be realized, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

In order to reduce the waste of resources, the application provides a rural sewage modular treatment system.

The application provides a rural sewage modularization processing system adopts following technical scheme:

a rural sewage modular treatment system comprises a sewage pool, a sewage pretreatment module, a sewage homogenizing and equalizing module, a sewage treatment module and a sewage disinfection and discharge module which are connected in sequence, wherein a first control valve is arranged at a pipeline between the sewage pretreatment module and the sewage homogenizing and equalizing module;

a first water quality sensor and a first water level sensor are arranged at the sewage pretreatment module, the first water quality sensor is used for detecting the water quality information of the sewage, and the first water level sensor is used for detecting the water level information of the sewage;

the first water quality sensor and the first water level sensor are both connected with the controller, and the controller is used for receiving water quality information and water level information and controlling the opening and closing of the first control valve or the second control valve.

By adopting the technical scheme, sewage discharged from the sewage pool enters the sewage pretreatment module to pretreat the sewage, so that solid pollutants in the sewage are effectively removed; when the water quality and/or the water quantity of the sewage are/is larger than the corresponding threshold value, the sewage homogenizing and equalizing module adjusts the water quality and the water quantity, and then the sewage enters the sewage treatment module to convert organic matters in the sewage into simple inorganic matters by means of the decomposition action of microorganisms, so that the sewage is purified. And when the water quality and/or the water quantity of the sewage are/is smaller than the corresponding threshold value, the sewage after pretreatment is directly purified by the sewage treatment module. The purified sewage enters a sewage disinfection discharge module for disinfection and discharge;

the equipment is in a modular design, different treatment processes can be carried out according to the water quality and the water quantity of sewage, and the waste of resources is effectively reduced while the sewage treatment effect is improved.

Optionally, a return pipe is arranged between the sewage treatment module and the sewage disinfection and discharge module, and a third control valve connected with the controller is arranged on the return pipe;

and a second water quality sensor is arranged at the water outlet of the sewage disinfection and discharge module, and the controller is connected with the second water quality sensor and used for receiving the water quality information of the sewage at the sewage disinfection and discharge module and controlling the opening and closing of the third control valve.

Optionally, a first drain pipe and a second drain pipe are arranged at the water outlet of the sewage disinfection and discharge module, a fourth control valve is arranged at the first drain pipe, a fifth control valve is arranged at the second drain pipe, and the fourth control valve and the fifth control valve are both connected with the controller;

and a second water level sensor is arranged at the water outlet of the sewage disinfection and discharge module, and the controller is connected with the second water level sensor and used for receiving the water level information of the sewage at the sewage disinfection and discharge module and controlling the opening and closing of the fourth control valve or the fifth control valve.

Optionally, the pretreatment module comprises a grid tank and a sedimentation tank, a first water inlet pipe is arranged between the grid tank and the sewage tank, and a sixth control valve is arranged on the first water inlet pipe; and a second water inlet pipe is arranged between the sedimentation tank and the sewage tank, and a seventh control valve is arranged on the second water inlet pipe.

Optionally, a moisture detection sensor connected with the controller is arranged in the sewage tank, and the moisture detection sensor is used for detecting the solid content in the sewage tank; the controller is used for receiving the solid content in the sewage tank and controlling the opening and closing of the sixth control valve or the seventh control valve.

Optionally, the sedimentation tank comprises a first tank and a second tank, the first tank is connected with a second water inlet pipe, and a water outlet pipe is arranged between the second tank and the sewage homogenizing and equalizing module;

a baffle is arranged between the first pool and the second pool, and a water conveying port is arranged at the bottom of the baffle.

Optionally, the water outlet pipe includes a first water pipe and a second water pipe, and the first water pipe is connected with the second water pipe; the first water pipe is vertically arranged and has a downward opening.

Optionally, the sewage treatment module comprises an anaerobic tank, an anoxic tank and an aerobic tank which are arranged in sequence.

In summary, the present application includes at least one of the following beneficial technical effects:

1. sewage discharged from the sewage tank enters a sewage pretreatment module to pretreat the sewage, so that solid pollutants in the sewage are effectively removed; when the water quality and/or the water quantity of the sewage are/is larger than the corresponding threshold value, the sewage homogenizing and equalizing module adjusts the water quality and the water quantity, and then the sewage enters the sewage treatment module to convert organic matters in the sewage into simple inorganic matters by means of the decomposition action of microorganisms, so that the sewage is purified. And when the water quality and/or the water quantity of the sewage are/is smaller than the corresponding threshold value, the sewage after pretreatment is directly purified by the sewage treatment module. The purified sewage enters a sewage disinfection discharge module for disinfection and discharge; the equipment is in modular design, and each module can be adjusted according to the water quality and the water yield of sewage, so that the waste of resources is effectively reduced while the sewage treatment effect is improved.

Drawings

Fig. 1 is a block diagram of a rural sewage modular treatment system according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a sewage pretreatment module and a sewage tank in a rural sewage modular treatment system according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a sedimentation tank according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a sewage treatment module and a sewage disinfection discharge module according to an embodiment of the present application.

Description of the reference numerals: 1. a sewage tank; 2. a sewage pretreatment module; 21. a sedimentation tank; 211. a first tank; 212. a second tank; 213. a water outlet pipe; 214. a first water pipe; 215. a second water pipe; 216. a baffle plate; 217. a water delivery port; 22. a grid tank; 221. a tank body; 222. a grid; 23. a first water inlet pipe; 24. a sixth control valve; 25. a second water inlet pipe; 26. a seventh control valve; 27. a first water quality sensor; 28. a first water level sensor; 29. a first control valve; 3. a sewage homogenizing and homogenizing module; 31. a regulating reservoir; 4. a sewage treatment module; 41. an anaerobic tank; 42. an anoxic tank; 43. an aerobic tank; 44. a return pipe; 45. a third control valve; 5. a sewage disinfection discharge module; 51. a first drain pipe; 52. a fourth control valve; 53. a second drain pipe; 54. a fifth control valve; 55. a second water quality sensor; 56. and a second water level sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses rural sewage modular processing system.

As a trial test mode of the rural sewage modular treatment system, as shown in fig. 1, the system comprises a sewage tank 1, a sewage pretreatment module 2, a sewage homogenizing and quantity-equalizing module 3, a sewage treatment module 4 and a sewage disinfecting and discharging module 5 which are connected in sequence.

Sewage discharged from the sewage pool 1 enters the sewage pretreatment module 2 to pretreat the sewage, so that solid pollutants in the sewage are effectively removed; when the water quality and/or the water quantity of the sewage are/is larger than the corresponding threshold value, the sewage homogenizing and equalizing module 3 adjusts the water quality and the water quantity, and then the sewage enters the sewage treatment module 4 to convert organic matters in the sewage into simple inorganic matters by means of the decomposition action of microorganisms, so that the sewage is purified. When the water quality and/or the water quantity of the sewage is smaller than the corresponding threshold value, the sewage after pretreatment is directly purified by the sewage treatment module 4. The purified sewage enters the sewage disinfection and discharge module 5 for disinfection and discharge.

Specifically, as shown in fig. 2 and 3, the sewage pretreatment module 2 includes a sedimentation tank 21 and a grid tank 22, a first water inlet pipe 23 is arranged between the grid tank 22 and the sewage tank 1, and a sixth control valve 24 is arranged on the first water inlet pipe 23; a second water inlet pipe 25 is arranged between the sedimentation tank 21 and the sewage tank 1, and a seventh control valve 26 is arranged on the second water inlet pipe 25. A moisture detection sensor is arranged in the sewage tank 1 and is used for detecting the solid content in the sewage tank 1; the controller is used for receiving the solid content in the sewage tank 1 and controlling the opening and closing of the sixth control valve 24 or the seventh control valve 26.

When the solid content in the sewage tank 1 is greater than the corresponding threshold value, the controller controls the seventh control valve 26 to open, the sixth control valve 24 to close, and the sewage in the sewage tank 1 enters the sedimentation tank 21 for pretreatment so as to remove solid impurities contained in the sewage. When the solid content in the sewage tank 1 is smaller than the corresponding threshold value, the controller controls the sixth control valve 24 to be opened, the seventh control valve 26 to be closed, and the sewage in the sewage tank 1 enters the grid pond 22 for pretreatment so as to remove solid impurities contained in the sewage.

Wherein, sedimentation tank 21 includes first pond 211 and second pond 212, and first pond 211 is connected with second inlet tube 25, is provided with outlet pipe 213 between second pond 212 and the equal volume module 3 of sewage homogeneity, and outlet pipe 213 is including the first water pipe 214 and the second water pipe 215 of connection, and first water pipe 214 is vertical setting and opening down. A baffle plate 216 is arranged between the first tank 211 and the second tank 212, a water delivery port 217 is arranged at the bottom of the baffle plate 216, and the water delivery port 217 is positioned below the opening of the first water pipe 214.

When the solid content in the wastewater tank 1 is greater than the corresponding threshold value, the controller controls the seventh control valve 26 to open, the sixth control valve 24 to close, wastewater in the wastewater tank 1 enters the first tank 211, so that solid impurities in the wastewater are deposited at the bottom of the first tank 211, and the wastewater enters the second tank 212 through the water delivery port 217 and enters the wastewater homogenizing and equalizing module 3 through the water outlet pipe 213.

The grating tank 22 comprises a tank body 221, a plurality of vertically arranged gratings 222 are fixedly arranged in the tank body 221, and large-particle impurities contained in the sewage are removed through the gratings 222.

A first water quality sensor 27 and a first water level sensor 28 are arranged in the sedimentation tank 21 or the grid tank 22, and the first water quality sensor 27 and the first water level sensor 28 are connected with a controller. The first water quality sensor 27 detects water quality information of the sewage, and the first water level sensor 28 detects water level information of the sewage.

In addition, a first control valve 29 is arranged at a pipeline between the sedimentation tank 21 or the grid tank 22 and the sewage homogenizing and quantity-equalizing module 3, and the first control valve 29 is connected with the controller. Specifically, the sewage homogenizing and quantity-equalizing module 3 can be set as an adjusting tank 31, wherein the adjusting tank 31 can adjust the water quantity, equalize the water quality and perform pretreatment. When the quality and/or quantity of the sewage in the sedimentation tank 21 or the grid tank 22 is larger than the corresponding threshold value, the controller controls the first control valve 29 to be opened, so that the sewage enters the regulating tank 31 to be treated, and the probability of the condition that the quality of the sewage is uneven or the quantity of the sewage is unstable is reduced.

The sewage after the treatment of equalizing basin 31 gets into sewage treatment module 4 and handles, is convenient for degrade partial organic pollutant in the sewage, effectively removes the harmful bacterial in the sewage. Specifically, the sewage treatment module 4 includes the anaerobism pond 41, the oxygen deficiency pond 42 and the good oxygen pond 43 that set gradually, and sewage gets into the anaerobism pond 41, the oxygen deficiency pond 42 and the good oxygen pond 43 in proper order and handles to be convenient for degrade and get rid of and be the organic pollution impurity that colloid or dissolved state exists in the sewage.

A water delivery pipe is arranged between the sedimentation tank 21 or the grid tank 22 and the sewage treatment module 4, a second control valve is arranged at the water delivery pipe, and the second control valve is connected with the controller. When the quality and/or quantity of the sewage in the sedimentation tank 21 or the grid tank 22 is smaller than the corresponding threshold value, the controller controls the second control valve to be opened, so that the sewage in the sedimentation tank 21 or the grid tank 22 directly enters the anaerobic tank 41, the anoxic tank 42 and the aerobic tank 43 through the water conveying pipe in sequence for treatment.

The sewage treated by the sewage treatment module 4 enters the sewage disinfection discharge module 5 for disinfection treatment. Wherein, a return pipe 44 is arranged between the anaerobic tank 41 and the sewage disinfection and discharge module 5, and a third control valve 45 connected with the controller is arranged on the return pipe 44. A second water quality sensor 55 is arranged at the water outlet of the sewage disinfection and discharge module 5, and the controller is connected with the second water quality sensor 55. The second water quality sensor 55 is used for detecting the water quality of the disinfected sewage, when the water quality of the sewage is greater than the corresponding threshold value, the controller controls the third control valve 45 to open, and the sewage in the sewage disinfection discharge module 5 flows back to the sewage treatment module 4 through the return pipe 44 to be subjected to secondary treatment.

A first drain pipe 51 and a second drain pipe 53 are arranged at the water outlet of the sewage disinfection and discharge module 5, a fourth control valve 52 is arranged at the first drain pipe 51, a fifth control valve 54 is arranged at the second drain pipe 53, and the fourth control valve 52 and the fifth control valve 54 are both connected with the controller. A second water level sensor 56 is arranged at the water outlet of the sewage disinfection and discharge module 5, and the controller is connected with the second water level sensor 56. The second water level sensor 56 is used for detecting the amount of sewage in the sewage disinfection discharge module 5, when the amount of water is greater than a corresponding threshold value and the water quality is less than the corresponding threshold value, the controller controls the fourth control valve 52 to be opened, and the disinfected sewage is discharged through the first drain pipe 51; when the water amount is less than the corresponding threshold value and the water quality is less than the corresponding threshold value, the controller controls the fifth control valve 54 to be opened, and the sterilized sewage is discharged through the second drain pipe 53.

The implementation principle of the rural sewage modular treatment system in the embodiment of the application is as follows:

sewage discharged from the sewage tank 1 enters a sedimentation tank 21 or a grid tank 22 for pretreatment, so that solid pollutants in the sewage are effectively removed; when the water quality and/or the water quantity of the sewage are/is larger than the corresponding threshold value, the sewage homogenizing and equalizing module 3 adjusts the water quality and the water quantity, and then the sewage enters the sewage treatment module 4 to convert organic matters in the sewage into simple inorganic matters by means of the decomposition action of microorganisms, so that the sewage is purified. When the water quality and/or the water quantity of the sewage is smaller than the corresponding threshold value, the sewage after pretreatment is directly purified by the sewage treatment module 4.

The purified sewage enters the sewage disinfection and discharge module 5 for disinfection, when the water quantity of the disinfected sewage is greater than the corresponding threshold value and the water quality is less than the corresponding threshold value, the controller controls the fourth control valve 52 to be opened, and the disinfected sewage is discharged through the first water discharge pipe 51; when the water amount of the sterilized sewage is less than the corresponding threshold and the water quality is less than the corresponding threshold, the controller controls the fifth control valve 54 to be opened, and the sterilized sewage is discharged through the second drain pipe 53.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A rural sewage modular processing system which characterized in that: the sewage treatment system comprises a sewage pool (1), a sewage pretreatment module (2), a sewage homogenizing and equalizing module (3), a sewage treatment module (4) and a sewage disinfection and discharge module (5) which are sequentially connected, wherein a first control valve (29) is arranged at a pipeline between the sewage pretreatment module (2) and the sewage homogenizing and equalizing module (3), a water delivery pipe is arranged between the sewage pretreatment module (2) and the sewage treatment module (4), a second control valve is arranged at the water delivery pipe, and the first control valve (29) and the second control valve are both connected with a controller;

a first water quality sensor (27) and a first water level sensor (28) are arranged at the sewage pretreatment module (2), the first water quality sensor (27) is used for detecting the water quality information of the sewage, and the first water level sensor (28) is used for detecting the water level information of the sewage;

the first water quality sensor (27) and the first water level sensor (28) are both connected with a controller, and the controller is used for receiving water quality information and water level information and controlling the opening and closing of the first control valve (29) or the second control valve.

2. The rural sewage modular treatment system of claim 1, wherein: a return pipe (44) is arranged between the sewage treatment module (4) and the sewage disinfection and discharge module (5), and a third control valve (45) connected with the controller is arranged on the return pipe (44);

the water outlet of the sewage disinfection discharge module (5) is provided with a second water quality sensor (55), and the controller is connected with the second water quality sensor (55) and used for receiving water quality information of sewage at the sewage disinfection discharge module (5) and controlling the opening and closing of the third control valve (45).

3. The rural sewage modular treatment system of claim 1, wherein: a first drain pipe (51) and a second drain pipe (53) are arranged at a water outlet of the sewage disinfection and discharge module (5), a fourth control valve (52) is arranged at the first drain pipe (51), a fifth control valve (54) is arranged at the second drain pipe (53), and the fourth control valve (52) and the fifth control valve (54) are both connected with a controller;

a second water level sensor (56) is arranged at the water outlet of the sewage disinfection and discharge module (5), and the controller is connected with the second water level sensor (56) and used for receiving the water level information of the sewage at the sewage disinfection and discharge module (5) and controlling the opening and closing of the fourth control valve (52) or the fifth control valve (54).

4. The rural sewage modular treatment system of claim 1, wherein: the pretreatment module comprises a grid pool (22) and a sedimentation pool (21), a first water inlet pipe (23) is arranged between the grid pool (22) and the sewage pool (1), and a sixth control valve (24) is arranged on the first water inlet pipe (23); a second water inlet pipe (25) is arranged between the sedimentation tank (21) and the sewage tank (1), and a seventh control valve (26) is arranged on the second water inlet pipe (25).

5. The rural sewage modular treatment system of claim 4, wherein: a moisture detection sensor connected with the controller is arranged in the sewage tank (1), and the moisture detection sensor is used for detecting the solid content in the sewage tank (1); the controller is used for receiving the solid content in the sewage tank (1) and controlling the opening and closing of the sixth control valve (24) or the seventh control valve (26).

6. The modular rural sewage treatment system according to claim 4, wherein: the sedimentation tank (21) comprises a first tank (211) and a second tank (212), the first tank (211) is connected with a second water inlet pipe (25), and a water outlet pipe (213) is arranged between the second tank (212) and the sewage homogenizing and equalizing module (3);

a baffle (216) is arranged between the first pool (211) and the second pool (212), and a water conveying port (217) is arranged at the bottom of the baffle (216).

7. The modular rural sewage treatment system of claim 6, wherein: the water outlet pipe (213) comprises a first water pipe (214) and a second water pipe (215), and the first water pipe (214) is connected with the second water pipe (215); the first water pipe (214) is vertically arranged and has a downward opening.

8. The rural sewage modular treatment system of claim 1, wherein: the sewage treatment module (4) comprises an anaerobic tank (41), an anoxic tank (42) and an aerobic tank (43) which are arranged in sequence.

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