CN211847617U

CN211847617U - Vehicle-mounted sewage treatment equipment based on biological nitrogen and phosphorus removal process

Info

Publication number: CN211847617U
Application number: CN202020136298.XU
Authority: CN
Inventors: 何起利; 施猛猛; 陈萍
Original assignee: Zhejiang Wenyuan Environmental Protection Technology Co ltd
Current assignee: Zhejiang Wenyuan Environmental Protection Technology Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-11-03
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a vehicular sewage treatment device based on biological nitrogen and phosphorus removal technology, it includes the truck, integral type sewage treatment carriage, the integral type sewage treatment carriage is placed on the truck, the integral type sewage treatment carriage includes the railway carriage or compartment body, the sewage pump, the backwash pump, mixed liquid back flow, the sludge pump, the sludge back flow, the aeration pipe, the air-blower, ultraviolet lamp, automatically controlled cabinet, the internal portion of railway carriage or compartment is equipped with electric zone, pumping district, filtering area, one-level settling zone, anaerobic zone, anoxic zone, aerobic zone, second grade settling zone, disinfection district, clean water district. The vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process combines vehicle-mounted advantages, and then the sewage treatment structure is miniaturized and integrated, so that the operation mode for treating sewage is not limited by time and place, the flexibility is strong, the treatment requirement can be responded in the shortest time, and the sewage treatment of sudden water body pollution events and accidental water quantity increase events can be effectively solved.

Description

Vehicle-mounted sewage treatment equipment based on biological nitrogen and phosphorus removal process

Technical Field

The utility model relates to a vehicular sewage treatment device based on biological nitrogen and phosphorus removal technology.

Background

With the development of urban and rural economy in China, the sudden water body pollution incidents are increased. On one hand, in rural areas of China, particularly, during holidays, a large number of home people return to the countryside, and the domestic sewage discharge amount of villagers is increased along with the increase of the population returning to the countryside; the amount of sewage generated by the rural catering industry is increased accidentally due to the increase of passenger flow of tourists during holidays in rural areas; in addition, traditional red and white happiness stands are kept in some rural areas, and a large amount of domestic sewage, catering wastewater and the like are also generated during the red and white happiness stands due to the gathering of guests and relatives and friends of villagers for banquet. In order to implement the construction of beautiful villages and improve the quality of the living environment of the rural areas, although sewage treatment facilities are built in part of rural areas, the sudden and accidental discharge of sewage exceeds the treatment capacity of the nearby domestic sewage treatment facilities, so that a large amount of sewage is directly discharged without any treatment, and the large amount of discharged sewage which is not effectively treated causes the water pollution of local areas.

On the other hand, although some areas are constructed with sewage treatment facilities, the normal operation of the sewage treatment facilities cannot be managed for a long time. However, due to untimely management, the water pumps, fans and other electric control facilities in the sewage treatment facility are used for a long time, related electrical elements, aging, damage, permanent faults and the like are inevitably caused, serious conditions can lead to the fact that the facilities cannot be repaired in a short time, the pool bodies of part of the sewage treatment facilities are damaged and leaked, the normal operation of the original sewage treatment facility cannot be performed, the sewage treatment efficiency is greatly reduced, and water pollution events caused by the fact that pollutants exceed standards are discharged into a water body are caused. The sudden water body pollution events and the accidental water quantity increasing events have the characteristics of short duration, large sewage quantity, strong uncertainty of occurrence time and place and the like. If the on-site construction of sewage treatment facilities is adopted for treatment, although the pollution can be effectively relieved, the problem of short-term water pollution can not be solved, the construction and operation cost can also be increased, and the utilization rate of the facilities is limited, so that great resource waste is easily caused.

Disclosure of Invention

The to-be-solved technical problem of the utility model is how to handle sudden water pollution incident and accidental water yield increase incident nimble high-efficiently, obtain a vehicular sewage treatment device based on biological nitrogen and phosphorus removal technology from this.

In order to solve the technical problem, the utility model adopts the following technical scheme: the vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process comprises a truck and an integrated sewage treatment carriage, wherein the integrated sewage treatment carriage is placed on the truck and comprises a carriage body, a sewage pump, a reflux pump, a mixed liquid reflux pipe, a sludge pump, a sludge reflux pipe, an aeration pipe, an air blower, an ultraviolet lamp and an electric control cabinet, an electric zone, a pumping zone, a filtering zone, a primary settling zone, an anaerobic zone, an anoxic zone, an aerobic zone, a secondary settling zone, a disinfection zone and a clear water zone are arranged inside the carriage body, the electric zone is isolated from the pumping zone, a partition plate I is arranged between the pumping zone and the filtering zone, a through hole I is formed in the upper part of the partition plate I, the sewage pump is arranged in the pumping zone, the sewage pump is communicated with a rough filtering zone through a water pipe, the water pipe passes through the through hole I, a grid is arranged between the filtering zone and the primary settling zone, the filter zone is communicated with the primary sedimentation zone through a grid, a partition plate II is arranged between the primary sedimentation zone and the anaerobic zone, a through hole II is formed in the upper part of the partition plate II, the primary sedimentation zone is communicated with the anaerobic zone through a through hole II, a partition plate III is arranged between the anaerobic zone and the anoxic zone, a through hole III is formed in the bottom of the partition plate III, the anaerobic zone is communicated with the anoxic zone through a through hole III, a partition plate IV is arranged between the anoxic zone and the aerobic zone, a through hole IV is formed in the upper part of the partition plate IV, the anoxic zone is communicated with the aerobic zone through a through hole IV, fillers are arranged in the anaerobic zone, the anoxic zone and the aerobic zone, a partition plate V is arranged between the aerobic zone and the secondary sedimentation zone, a through hole V is formed in the bottom of the partition plate, the aerobic zone is communicated with the secondary sedimentation zone through a through hole V, a partition plate VI is arranged between the secondary sedimentation zone and the sterilization zone, the upper portion of baffle VI is equipped with through-hole VI, communicate through-hole VI between secondary sedimentation district and the disinfection district, be equipped with baffle VII between disinfection district and the clear water district, the bottom of baffle VII is equipped with through-hole VII, communicate through-hole VII between disinfection district and the clear water district, be equipped with the delivery port on the railway carriage or compartment body, delivery port and clear water district intercommunication, the electric cabinet sets up in the electric zone, the backwash pump is located aerobic zone, mixed liquid back flow one end is connected with the backwash pump, the other end is located anoxic zone, the sludge pump is located secondary sedimentation district, sludge back flow one end is connected with the sludge pump, the other end is located anaerobic zone, the aeration pipe is located aerobic zone, the air-blower is located the railway carriage or compartment body outside, the air-blower is connected through the gas-supply pipe with the aeration pipe, ultraviolet ray is located disinfection district, sewage pump, The sludge pump, the reflux pump, the blower and the ultraviolet lamp are all connected with and controlled by the electric control cabinet.

The vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process is essentially integrated, and is based on and is an AAO (anaerobic-anoxic-oxic) process. Removing large-volume pollutants such as plant straws, household garbage and the like in the sewage through a filtering area; then the sewage enters a primary sedimentation area, and impurities with smaller particles in the sewage are removed through sedimentation; the sewage after the first precipitation enters an anaerobic zone, and nitrate nitrogen and COD are removed through the denitrification of anaerobic microorganisms_Cr、BOD₅(ii) a Then the sewage flows into an anoxic zone, and nitrate nitrogen and organic matter COD are removed through the denitrification of microorganisms_Cr(ii) a Then, the sewage enters an aerobic zone, and ammonia nitrogen in the sewage is further removed through the nitrification of aerobic microorganisms in the aerated environment; then, the sewage flows through a secondary sedimentation area, so that the sludge in the sewage is sedimentated once; the sewage after the second precipitation enters a disinfection area, and toxic microorganisms and viruses in the sewage are removed by utilizing the sterilization effect of an ultraviolet lamp, so that the purification of the wastewater is realized; the purified waste water is finally collected in the clear water area.

The retention time of the moisture in the sewage in the aerobic zone is separated from the retention time of the sludge in the aerobic zone, namely the sludge can be ensured to stay in the aerobic zone for a longer time to obtain a precipitation effect; meanwhile, the sludge needs to be fully contacted with microorganisms in the anoxic zone, the length of the aerobic zone is greater than that of the anaerobic zone, and the length of the anaerobic zone is greater than that of the anoxic zone.

The integrated sewage treatment carriage is also provided with a generator, the generator is positioned in the electric area, and the generator is connected with the electric control cabinet. When the sewage treatment site is inconvenient to connect electricity, the power generation device can generate power automatically to realize the correct operation of the equipment, so that the power generation device is very suitable for being popularized in remote rural areas.

The utility model adopts the above technical scheme: the vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process is combined with vehicle-mounted advantages, and the sewage treatment structure is miniaturized and integrated, so that the operation mode for treating sewage is not limited by time and place, the flexibility is strong, the treatment requirement can be responded in the shortest time, and the sewage treatment of sudden water body pollution events and accidental water quantity increase events can be effectively solved; the structure is simple, and the later maintenance and operation cost is low.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic structural diagram of a vehicular sewage treatment device based on a biological denitrification and dephosphorization process.

Detailed Description

As shown in figure 1, the vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process comprises a truck 1 and an integrated sewage treatment compartment. The integral sewage treatment carriage is integrally of a cuboid structure and comprises a carriage body 2, a generator 9, a sewage pump 3, a reflux pump, a mixed liquid reflux pipe 4, a sludge pump 5, a sludge reflux pipe 6, an aeration pipe 7, an air blower, an ultraviolet lamp and an electric control cabinet 8. The interior of the compartment body 2 is divided into different areas, and the areas comprise an electric area 10, a pumping area 11, a filtering area 12, a primary sedimentation area 13, an anaerobic area 14, an anoxic area 15, an aerobic area 16, a secondary sedimentation area 17, a disinfection area 18 and a clean water area 19. The electric area 10 and the clear water area 19 are positioned at two ends inside the carriage body 2, and the electric control cabinet 8 and the generator 9 are arranged in the electric area 10, so that the electric area 10 keeps strict independence with other areas, and the electric area 10 has better waterproof sealing performance. The power supply end of the generator 9 is connected into the electric control cabinet 8, and the electric control cabinet 8 outputs power supply outwards according to the setting. An electric zone 10, a pumping zone 11, a filtering zone 12, a primary sedimentation zone 13, an anaerobic zone 14, an anoxic zone 15, an aerobic zone 16, a secondary sedimentation zone 17, a disinfection zone 18 and a clear water zone 19 are sequentially arranged in the direction from one end to the other end in the compartment body 2. The electric area 10 is isolated from the pumping area 11, and the electric area 10 is isolated from the pumping area 11 through the plate. A partition plate I20 is arranged between the pumping area 11 and the filtering area 12, a through hole I is formed in the upper portion of the partition plate I20, the sewage pump 3 is arranged in the pumping area 11, the water outlet end of the sewage pump 3 is communicated with the filtering area 12 through a water conveying pipe, the water conveying pipe penetrates through the through hole I, and the water inlet end of the sewage pump 3 extends into an external sewage source through the water conveying pipe. A grating 21 is arranged between the filtering area 12 and the primary sedimentation area 13, and the filtering area 12 is communicated with the primary sedimentation area 13 through the grating 21. A partition plate II 22 is arranged between the primary settling zone 13 and the anaerobic zone 14, a through hole II is formed in the upper portion of the partition plate II 22, and the primary settling zone 13 is communicated with the anaerobic zone 14 through the through hole II. A partition plate III 23 is arranged between the anaerobic zone 14 and the anoxic zone 15, a through hole III is formed in the bottom of the partition plate III 23, and the anaerobic zone 14 is communicated with the anoxic zone 15 through the through hole III. A partition plate IV 24 is arranged between the anoxic zone 15 and the aerobic zone 16, a through hole IV is formed in the upper portion of the partition plate IV 24, and the anoxic zone 15 is communicated with the aerobic zone 16 through the through hole IV. The length of the aerobic zone 16 is greater than the length of the anaerobic zone 14 and the length of the anaerobic zone 14 is greater than the length of the anoxic zone 15. The anoxic zone 15, the anaerobic zone 14 and the aerobic zone 16 are provided with packing which acts as a carrier for the microorganisms. The aeration pipes 7 are distributed at the bottom of the aerobic zone 16, the blower is positioned outside the box body 2, and the blower is connected with the aeration pipes 7 through gas pipes. The reflux pump is positioned in the aerobic zone 16, one end of the mixed liquid reflux pipe 4 is connected with the reflux pump, and the other end is positioned in the anoxic zone 15. The return pump can return part of the sewage treated in the aerobic zone 16 to the anoxic zone 15. A partition plate V25 is arranged between the aerobic zone 16 and the secondary sedimentation zone 17, a through hole V is arranged at the bottom of the partition plate, and the aerobic zone 16 is communicated with the secondary sedimentation zone 17 through the through hole V. The sludge pump 5 is positioned in the secondary sedimentation zone 17, one end of the sludge return pipe 6 is connected with the sludge pump 5, and the other end is positioned in the anaerobic zone 14. The sludge deposited at the bottom in the secondary sedimentation zone 17 can be conveyed by the sludge pump 5 and the sludge return pipe 6 together and returned to the anaerobic zone 14, so that the activated sludge containing microorganisms is fully utilized, the loss of the activated sludge is prevented, the activated sludge concentration in the process can be improved, the technical load of equipment is improved, and the technical effect of efficiently removing pollutants in the wastewater is finally obtained. A partition plate VI 26 is arranged between the secondary sedimentation region 17 and the disinfection region 18, a through hole VI is formed in the upper portion of the partition plate VI 26, and the secondary sedimentation region 17 is communicated with the disinfection region 18 through the through hole VI. A partition plate VII 27 is arranged between the disinfection area 18 and the clear water area 19, a through hole VII is arranged at the bottom of the partition plate VII 27, and the disinfection area 18 is communicated with the clear water area 19 through the through hole VII. The ultraviolet lamps are located within the sterilization zone 18. The carriage body 2 is provided with a water outlet which is communicated with the clean water area 19. The generator 9, the sewage pump 3, the sludge pump 5, the reflux pump, the blower and the ultraviolet lamp are all connected with the electric control cabinet 8 and controlled by the electric control cabinet 8.

The vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process can run to a pollution incident place, and the flexibility degree of the vehicle-mounted sewage treatment equipment is far higher than that of fixed sewage treatment equipment. Before use, the power supply is obtained according to the field condition, and the power supply can be supplied by commercial power or by the generator 9. When the sewage filter is used, the water delivery pipe connected with the sewage pump 3 extends into the sewage, and the sewage is firstly pumped into the filtering area 12 after the through hole of the sewage pump 3 works. The grating 21 filters large-volume pollutants such as plant straws and household garbage in the sewage, and then the sewage flows into the primary sedimentation zone 13 to precipitate and remove impurities with smaller particles in the sewage. Because the grating 21 is of a grid structure, the water levels of the filtering area 12 and the primary sedimentation area 13 are consistent, that is, the water levels in the filtering area 12 and the primary sedimentation area 13 are the same when the sewage to be filtered enters the primary sedimentation area 13. The through hole III is positioned at the bottom of the partition plate III 23, so that the water level of the anaerobic zone 14 and the water level of the anoxic zone 15 are in the same state; when sewage flows into the anaerobic zone 14 from the through holes II, the anoxic zone 15 is filled with sewage. The sewage flows into the aerobic zone 16 from the through hole IV, and the compressed air provided by the blower is output to the aerobic zone 16 at the aeration pipe 7 when the sewage is in the aerobic zone 16. The nitrate nitrogen and organic matters are treated after the sewage is treated by the anaerobic zone 14, the anoxic zone 15 and the aerobic zone 16. Since the through-holes V are located at the bottom of the partition V25, the water level of the aerobic zone 16 is the same as that of the secondary sedimentation zone 17. The sewage enters the secondary sedimentation zone 17 through the through hole V, and the solids in the water body are further precipitated. The sewage after the secondary sedimentation flows into the disinfection area 18 through the through hole VI, and the ultraviolet lamp is electrified to emit ultraviolet light, thereby killing microorganisms and bacteria in the water body. Clean water is obtained after the sterilization treatment, and the clean water enters the clean water area 19 through the through hole VII. When the water level of the clean water in the clean water zone 19 reaches the position of the water outlet, the vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process outputs the clean water outwards.

Claims

1. The utility model provides a vehicular sewage treatment device based on biological nitrogen and phosphorus removal technology which characterized in that: the vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process comprises a truck (1) and an integrated sewage treatment carriage, wherein the integrated sewage treatment carriage is arranged on the truck (1), the integrated sewage treatment carriage comprises a carriage body (2), a sewage pump (3), a reflux pump, a mixed liquid reflux pipe (4), a sludge pump (5), a sludge reflux pipe (6), an aeration pipe (7), an air blower, an ultraviolet lamp and an electric control cabinet (8), an electric zone (10), a pumping zone (11), a filtering zone (12), a primary settling zone (13), an anaerobic zone (14), an anoxic zone (15), an aerobic zone (16), a secondary settling zone (17), a disinfection zone (18) and a clear water zone (19) are arranged in the carriage body (2), the electric zone (10) is isolated from the pumping zone (11), and a partition plate I (20) is arranged between the pumping zone (11) and the filtering zone (12), the upper portion of baffle I (20) is equipped with through-hole I, sewage pump (3) set up in pumping district (11), sewage pump (3) pass through raceway and coarse filtration district intercommunication, the raceway passes through-hole I, be equipped with grid (21) between filtering area (12) and one-level settling zone (13), communicate through grid (21) between filtering area (12) and one-level settling zone (13), be equipped with baffle II (22) between one-level settling zone (13) and anaerobic zone (14), the upper portion of baffle II (22) is equipped with through-hole II, communicate through-hole II between one-level settling zone (13) and anaerobic zone (14), be equipped with baffle III (23) between anaerobic zone (14) and anoxic zone (15), the bottom of baffle III (23) is equipped with through-hole III, communicate through the through-hole between anaerobic zone (14) and anoxic zone (15), a partition plate IV (24) is arranged between the anoxic zone (15) and the aerobic zone (16), through holes IV are formed in the upper portion of the partition plate IV (24), the anoxic zone (15) is communicated with the aerobic zone (16) through the through holes IV, fillers are arranged in the anaerobic zone (14), the anoxic zone (15) and the aerobic zone (16), a partition plate V (25) is arranged between the aerobic zone (16) and the secondary sedimentation zone (17), a through hole V is formed in the bottom of the partition plate, the aerobic zone (16) is communicated with the secondary sedimentation zone (17) through the through hole V, a partition plate VI (26) is arranged between the secondary sedimentation zone (17) and the disinfection zone (18), a through hole VI is formed in the upper portion of the partition plate VI (26), the secondary sedimentation zone (17) is communicated with the disinfection zone (18) through the through hole VI, a partition plate (27) is arranged between the disinfection zone (18) and the clear water zone (19), the bottom of the partition plate VII (27) is provided with a through hole VII, the disinfection area (18) is communicated with the clear water area (19) through the through hole VII, the chamber body (2) is provided with a water outlet, the water outlet is communicated with the clear water area (19), the electric control cabinet (8) is arranged in the electric area (10), the reflux pump is positioned in the aerobic area (16), one end of the mixed liquid reflux pipe (4) is connected with the reflux pump, the other end of the mixed liquid reflux pipe is positioned in the anoxic area (15), the sludge pump (5) is positioned in the secondary sedimentation area (17), one end of the sludge reflux pipe (6) is connected with the sludge pump (5), the other end of the sludge reflux pipe is positioned in the anaerobic area (14), the aeration pipe (7) is positioned in the aerobic area (16), the air blower is positioned outside the chamber body (2), the air blower is connected with the aeration pipe (7) through an air pipe, and the ultraviolet ray is positioned in the disinfection area (18), the sewage pump (3), the sludge pump (5), the reflux pump, the air blower and the ultraviolet lamp are all connected with the electric control cabinet (8) and controlled by the electric control cabinet (8).

2. The vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process as claimed in claim 1, wherein: the length of the aerobic zone (16) is greater than the length of the anaerobic zone (14), and the length of the anaerobic zone (14) is greater than the length of the anoxic zone (15).

3. The vehicle-mounted sewage treatment equipment based on the biological nitrogen and phosphorus removal process as claimed in claim 1, wherein: the integrated sewage treatment carriage is further provided with a generator (9), the generator (9) is located in the electric area (10), and the generator (9) is connected with the electric control cabinet (8).