CN210394097U - Rural domestic sewage integrated treatment device - Google Patents
Rural domestic sewage integrated treatment device Download PDFInfo
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- CN210394097U CN210394097U CN201921224453.7U CN201921224453U CN210394097U CN 210394097 U CN210394097 U CN 210394097U CN 201921224453 U CN201921224453 U CN 201921224453U CN 210394097 U CN210394097 U CN 210394097U
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Abstract
The utility model discloses a rural domestic sewage integrated processing apparatus, include: the device comprises a water collecting lifting device, a CASS device, a coagulating sedimentation disinfection device, a PAC dosing system and an electric automatic control system; the water collecting and lifting device comprises a basket grid and a lifting pump, and the basket grid is arranged between the water inlet pipe and the lifting pump; the CASS device comprises a pre-reaction zone and a main reaction zone, wherein the pre-reaction zone and the main reaction zone are provided with aeration pipes, the aeration pipes are connected with an air blower, and the rear end of the main reaction zone is provided with a reflux pump and a decanter; the coagulating sedimentation sterilizing device comprises a coagulating area, a precipitating area and a sterilizing area which are sequentially arranged, wherein the coagulating area is provided with a coagulating mixer and a dosing pump, the precipitating area is provided with an inclined pipe assembly and a water outlet weir groove, and the sterilizing area is provided with an ultraviolet sterilizing group frame; the PAC dosing system comprises a dosing barrel, a dosing stirrer and a PAC dosing tank. Through the technical scheme of the utility model, accord with rural domestic water's change law and quality of water characteristics, and the integrated level is high, and is less, the operating duration is shorter to the water yield, but quick response.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a rural domestic sewage integrated treatment device.
Background
In recent years, with the rapid development of national economy, water environment protection is a problem of current national focus, and rural domestic sewage treatment is also one of the key points. The living environment of rural areas is guaranteed, and the steady development of the economy of China can be realized only by reducing the distance between cities and villages. The green water mountain is Jinshan Yinshan.
The water quality and quantity characteristics of rural domestic sewage are as follows: the village water quality control system has the advantages that distribution points of villages are scattered, a pipe network collection system is not sound, total water amount is small, change coefficient is large, life law of residents is similar, water discharge amount is larger in the morning and at night than in the daytime, water discharge amount at night is small, even water can be cut off, water amount change is obvious, water quality fluctuation is large, and biodegradability is high.
Disclosure of Invention
Aiming at the defects existing in the problems, the invention provides a rural domestic sewage integrated treatment device, which lifts sewage by a water collection lifting device, degrades COD, NH3-N, TN and SS by a CASS (Cyclic Activated Sludge System) device through anoxic, aerobic and sedimentation stages, reduces TP and SS by a coagulation and sedimentation stage, disinfects the sewage by an ultraviolet disinfection assembly frame to ensure that the rural domestic sewage reaches the standard and is discharged, has stable and high process route, particularly meets the change law and water quality characteristics of rural domestic water, adopts an integrated design, has high integration level, is very convenient for lifting, moving, loading, transporting and reusing, has small water quantity, short running time and large change coefficient, can quickly respond to rural domestic sewage treatment, improves equipment transportation, and has the advantages of low cost, high efficiency, low cost and low cost, Operation and use efficiency.
In order to achieve the purpose, the invention provides a rural domestic sewage integrated treatment device, which comprises: the device comprises a water collecting lifting device, a CASS device, a coagulating sedimentation disinfection device, a PAC dosing system and an electric automatic control system; the water collecting and lifting device comprises a basket grid and a lifting pump, the lifting pump is communicated with a water inlet pipe, and the basket grid is arranged between the water inlet pipe and the lifting pump; the CASS device comprises a pre-reaction zone and a main reaction zone, wherein a water inlet of the pre-reaction zone is communicated with a water outlet of the lift pump, sewage flows from the pre-reaction zone to the main reaction zone, the pre-reaction zone and the main reaction zone are provided with aeration pipes, the aeration pipes are connected with the air blower, a reflux pump and a decanter are arranged at the rear end of the main reaction zone, and the reflux pump enables the sewage at the rear end of the main reaction zone to flow back to the pre-reaction zone; the coagulating sedimentation disinfection device comprises a coagulating area, a precipitating area and a disinfection area which are sequentially arranged, wherein the coagulating area is provided with a coagulating mixer and a dosing pump, the precipitating area is provided with an inclined tube assembly and a water outlet weir groove, sewage flows into the precipitating area from the bottom of the coagulating area, the water in the precipitating area flows to the upper layer of the inclined tube assembly through the inclined tube assembly, sediment is deposited on the lower layer of the inclined tube assembly, the water on the upper layer of the inclined tube assembly is discharged to the disinfection area through the water outlet weir groove containing a triangular weir plate, the sediment is discharged by the sludge discharge pump, and the disinfection area is provided with an ultraviolet disinfection group frame; the PAC dosing system comprises a dosing barrel, a dosing stirrer and a PAC dosing tank, wherein the PAC dosing tank adds a medicament into the dosing barrel, the dosing barrel is provided with a water inlet and a medicament outlet, the dosing stirrer is arranged in the dosing barrel, and the medicament outlet is communicated with the dosing pump; and the electric automatic control system is respectively connected with the electric equipment of the integrated sewage treatment device.
In the above technical scheme, preferably, the rural domestic sewage integrated treatment device further comprises a maintenance room, and the dredge pump, the PAC dosing system, the blower and the electric automatic control system are all arranged in the maintenance room.
In the above technical scheme, preferably, the rural domestic sewage integrated treatment device further comprises a photovoltaic power generation system, the photovoltaic power generation system comprises a photovoltaic panel and a small-sized power generator, the photovoltaic panel is arranged above the equipment of the sewage integrated treatment device, the small-sized power generator is connected with the photovoltaic panel, and the small-sized power generator is connected with the electric automatic control system.
In the above technical solution, preferably, the water collecting and lifting device is provided with a lifting hole, and the CASS device and the coagulating sedimentation disinfection device are provided with a manhole therein.
In the above technical scheme, preferably, the water collection lifting device is buried, the basket grid and the lift pump are both arranged at the bottom of the water collection device, and the water outlet of the lift pump is further connected with a check valve and a butterfly valve.
In the above technical solution, preferably, a fine grid cover is further disposed outside the water inlet of the lift pump.
In the above technical solution, preferably, the CASS device includes a reaction stage and a precipitation stage, the blower and the reflux pump are turned on in the reaction stage, the blower and the reflux pump are turned off in the precipitation stage, the sludge discharge pump is connected to the CASS device, and the decanter is started after the precipitation stage to discharge the supernatant after precipitation to the coagulating sedimentation sterilizing device.
In the above technical solution, preferably, the electrical automatic control system includes an electrical subsystem and an automatic control subsystem, the electrical subsystem is connected to each electrical device, and the automatic control subsystem is connected to the liquid level detection assemblies, the lift pump, the blower, the reflux pump, the coagulation mixer, the dosing pump, the sludge discharge pump, and the PAC dosing system, which are disposed in each apparatus, respectively.
Compared with the prior art, the invention has the beneficial effects that: promote sewage through the hoisting device that catchments, degrade respectively through the pollutant of CASS device in to the sewage, rethread coagulation sedimentation stage reduces the pollutant, disinfect sewage through ultraviolet disinfection group frame at last, make rural domestic sewage discharge to reach standard, the stable efficient of process route, especially accord with rural domestic water's change law and quality of water characteristics, and this integration processing apparatus adopts integrated design, the integrated level is high, the hoist and mount is removed, the loading transportation, it is all very convenient to reuse, it is less to the water yield, operating duration is shorter, rural domestic sewage treatment that coefficient of variation is big all can respond fast, the equipment transportation is improved, operation and availability factor.
Drawings
FIG. 1 is a schematic plan structure view of an integrated rural domestic sewage treatment apparatus disclosed in one embodiment of the present invention;
FIG. 2 is a schematic view of a system flow of the rural domestic sewage integrated treatment apparatus disclosed in one embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the system comprises a water collecting lifting device, 11 a lifting pump, 12 a basket lifting grid, 13 a check valve and a butterfly valve, 14 a fine grid cover, 2a CASS device, 21 an aeration pipe, 22 a blower, 23 a reflux pump, 24 a decanter, 2A a pre-reaction zone, 2B a main reaction zone, 3a coagulating sedimentation disinfection device, 31 a coagulating mixer, 32 an inclined pipe assembly, 33 a water outlet weir trough, 34 an ultraviolet disinfection group frame, 35 a sludge discharge pump, 3A a coagulation zone, 3B a sedimentation zone, 3C a disinfection zone, 4 PAC dosing system, 41 a dosing barrel, 42 a dosing mixer, 43 PAC dosing tank, 44 dosing pump, 5 an electric automatic control system, 6 a maintenance room, 7 a photovoltaic panel, 81 hoisting holes, and 82 manhole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 and 2, the rural domestic sewage integrated treatment device provided by the invention comprises: the device comprises a water collecting lifting device 1, a CASS device 2, a coagulating sedimentation disinfection device 3, a PAC dosing system 4 and an electric automatic control system 5; the water collecting and lifting device 1 comprises a lifting basket grating 12 and a lifting pump 11, wherein the lifting pump 11 is communicated with a water inlet pipe, and the lifting basket grating 12 is arranged between the water inlet pipe and the lifting pump 11; the CASS device 2 comprises a pre-reaction zone 2A and a main reaction zone 2B, a water inlet of the pre-reaction zone 2A is communicated with a water outlet of the lifting pump 11, sewage flows to the main reaction zone 2B from the pre-reaction zone 2A, the pre-reaction zone 2A and the main reaction zone 2B are provided with aeration pipes 21, the aeration pipes 21 are connected with an air blower 22, the rear end of the main reaction zone 2B is provided with a reflux pump 23 and a decanter 24, and the reflux pump 23 enables the sewage flowing to the rear end of the main reaction zone 2B to flow back to the pre-reaction zone 2A; the coagulating sedimentation sterilizing device 3 comprises a coagulating area 3A, a settling area 3B and a sterilizing area 3C which are sequentially arranged, wherein the coagulating area 3A is provided with a coagulating mixer 31 and a dosing pump 44, the settling area 3B is provided with an inclined pipe assembly 32 and a water outlet weir notch 33, sewage flows into the settling area 3B from the bottom of the coagulating area 3A, water in the settling area 3B flows to the upper layer of the inclined pipe assembly 32 through the inclined pipe assembly 32, precipitates are deposited on the lower layer of the inclined pipe assembly 32, water on the upper layer of the inclined pipe assembly 32 is discharged to the sterilizing area 3C through the water outlet weir notch 33 containing a triangular weir plate, the precipitates are discharged by a mud pump 35, and the sterilizing area 3C is provided with an ultraviolet sterilizing group frame 34; the PAC dosing system 4 comprises a dosing barrel 41, a dosing stirrer 42 and a PAC dosing tank 43, the PAC dosing tank 43 adds a medicament into the dosing barrel 41, the dosing barrel 41 is provided with a water inlet and a medicament outlet, the dosing stirrer 42 is arranged in the dosing barrel 41, and the medicament outlet is communicated with a dosing pump 44; the electric automatic control system 5 is respectively connected with the electric equipment of the integrated sewage treatment device.
In this embodiment, one or more sets of integrated treatment devices can be configured according to the actual amount of sewage in the local area, each set of equipment comprises three integrated treatment devices which are directly pulled to the site, the installation is convenient, and when two or more sets of equipment are selected, only one water collection lifting device 1 can be selected. The whole equipment system can be made into 150m3/d、100m3/d、80m3/d、50m3D, designed size of integrated equipment with various specificationsAnd controlling the transportation range of the freight trailer, and selecting the freight trailer with the corresponding specification for transportation.
Wherein, the basket grid 12 is placed to catchment hoisting device 1's front end and is used for intercepting great floater and rubble etc. protects follow-up treatment structures and equipment normal operating, and the operation can carry out the clearance rubbish with basket grid 12 for a period of time, and the elevator pump 11 of the hoisting device 1 that catchments is used for promoting sewage to CASS device 2. The CASS device 2 is divided into a pre-reaction zone 2A and a main reaction zone 2B, sewage firstly enters the pre-reaction zone 2A to be mixed with backflow sludge micro-aeration, the mixture is in an anoxic state, organic matter preliminary degradation and denitrification reaction are carried out, TN is mainly removed, the organic matter is preliminarily degraded in the pre-reaction zone 2A, part of nitrate nitrogen can be removed, and the sewage in the pre-reaction zone 2A flows into the main reaction zone 2B through the bottom; in the main reaction zone 2B, the sewage is in an aerobic state through a large amount of aeration, and mainly undergoes organic matter degradation and nitration reaction, so that COD and ammonia nitrogen are reduced, and denitrification reaction also occurs in the sedimentation and idle processes of the zone.
In addition, the CASS device 2 has better organic matter removal and denitrification effects, but the dephosphorization effect is general, and the TP of the existing domestic sewage is higher, so the coagulating sedimentation disinfection device 3 is arranged to remove the TP on one hand and reduce the SS of the effluent on the other hand. The coagulation zone 3A is provided with a coagulation mixer 31, a dosing pump 44 and the coagulation mixer 31 are started according to the water supply condition, a dosing (PAC coagulant) is automatically added according to the water inlet amount, the coagulation mixer 31 is used for mixing and coagulating, and the coagulated water is discharged into the rear end precipitation zone 3B. The pipe chute subassembly 32 is established to settling zone 3B, and sewage flows into settling zone 3B from pipe chute subassembly 32 bottom, and water upwards walks the precipitate and walks downwards, and final water is discharged through the play water weir groove 33 who takes the triangle weir plate, and the precipitate is discharged through dredge pump 35, also can discharge through dredge pump 35 if CASS device 2 needs the mud of arranging. The effluent of the settling zone 3B enters a disinfection zone 3C, an ultraviolet disinfection group frame 34 is arranged in the disinfection zone 3C, one end of an effluent weir notch 33 of the settling zone 3B is provided with a hole to the disinfection zone 3C, and then the sewage flows in from one end of the disinfection zone 3C and is discharged from the bottom of the other end to form the ultraviolet disinfection zone 3C, so that the contact time is prolonged, and the sewage disinfection effect is ensured. The sewage sterilized by the ultraviolet sterilizing group frame 34 is discharged to a designated place or made into landscape circulating water, greening sprinkling water and the like.
The PAC dosing system 4 comprises a PAC dosing tank 43, a dosing barrel 41, a dosing stirrer 42 and a dosing pump 44, wherein a municipal water supply pipe and a valve are arranged on the dosing barrel 41, and a faucet and a hand washing device are arranged at the front end of the water supply valve. The medicine-adding stirrer 42 is provided in the medicine-adding barrel 41, and performs a stirring and diluting action when dispensing medicine. The dosing pump 44 is generally a metering pump and is provided with pipeline supporting facilities such as a filter, a safety valve, a pressure gauge and the like. The dosing pump 44 is automatically started and stopped according to the water inlet condition of the coagulation area 3A.
In the above embodiment, preferably, the rural domestic sewage integrated treatment device further includes a maintenance room 6, and the dredge pump 35, the PAC dosing system 4, the blower 22 and the electric automatic control system 5 are all disposed in the maintenance room 6. In addition to the above devices, the service room 6 also has the functions of storing medicines and storing service devices. The service room 6 is provided with a door and a window for ventilation.
In the above embodiment, preferably, the rural domestic sewage integrated treatment device further includes a photovoltaic power generation system, the photovoltaic power generation system includes a photovoltaic panel 7 and a small-sized power generator, the photovoltaic panel 7 is disposed above the equipment of the integrated sewage treatment device (avoiding the manhole 82) and around the sewage treatment station, the small-sized power generator is connected to the photovoltaic panel 7, the small-sized power generator is connected to the electric automatic control system 5, the power generated by the photovoltaic panel 7 is used as a main power source of the sewage treatment station, and when it rains continuously or the power generated by the photovoltaic panel 7 is insufficient, the standby power source-domestic power should be used to supply power to the sewage treatment station.
In the above embodiment, preferably, the water collecting and lifting device 1 is provided with the hoisting hole 81, and the CASS device 2 and the coagulating sedimentation and sterilizing device 3 are provided with the manhole 82, so that the device is convenient to overhaul.
In the above embodiment, preferably, the water collecting and lifting device 1 is buried, the basket grid 12 and the lifting pump 11 are both arranged at the bottom of the water collecting device, and the water outlet of the lifting pump 11 is further connected with the check valve and the butterfly valve 13 to prevent sewage from flowing backwards and damaging the lifting pump 11. Wherein, catchment hoisting device buries 1 ground, and the inlet tube corresponds to pipe network main drain pipe water level elevation, if the elevation of local pipe network tail water is lower, can bury catchment device a bit more deeply.
In the above embodiment, it is preferable that a fine grid cover 14 is provided in addition to the water inlet of the lift pump 11 to prevent large impurities from entering the lift pump 11 and causing the lift pump 11 to be clogged.
In the above embodiment, preferably, the CASS apparatus 2 includes a reaction stage and a sedimentation stage, wherein the reaction stage mainly performs water feeding, aeration and reflux, the blower 22 and the reflux pump 23 are turned on, the blower 22 and the reflux pump 23 are turned off in the sedimentation stage, supernatant is generated after a certain time of standing and sedimentation, the sludge discharge pump 35 is connected to the CASS apparatus 2, the decanter 24 is started after the sedimentation stage to discharge the supernatant after sedimentation to the coagulating sedimentation sterilizing apparatus 3, and then the CASS apparatus 2 enters an idle stage or a next cycle period according to an actual operation state. In addition, the CASS device 2 can continuously feed water, and cannot disturb the precipitation effect, so that the adjusting device is omitted, and the device is suitable for the state of centralized domestic sewage drainage.
In the above embodiment, preferably, the electrical automatic control system 5 includes an electrical subsystem and an automatic control subsystem, the electrical subsystem is respectively connected to each electrical equipment, and the automatic control subsystem is respectively connected to the liquid level detection assembly, the lift pump 11, the blower 22, the reflux pump 23, the coagulation mixer 31, the dosing pump 44, the sludge discharge pump 35 and the PAC dosing system 4 which are provided in each apparatus. The matched PLC automatic control subsystem can automatically control the PAC dosing system 4 to dose drugs and automatically control the operation of the blower 22 and the pump according to the liquid level of each device, and a wireless signal transmission box is added in the automatic control box, so that the operation condition of the sewage station can be received at the far end through a mobile phone or a computer, and the operation management is convenient. The control principle and the connection mode of the control system are the prior art, and are not described in detail herein.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a rural domestic sewage integration treatment device which characterized in that includes: the device comprises a water collecting lifting device, a CASS device, a coagulating sedimentation disinfection device, a PAC dosing system and an electric automatic control system;
the water collecting and lifting device comprises a basket grid and a lifting pump, the lifting pump is communicated with a water inlet pipe, and the basket grid is arranged between the water inlet pipe and the lifting pump;
the CASS device comprises a pre-reaction zone and a main reaction zone, wherein a water inlet of the pre-reaction zone is communicated with a water outlet of the lift pump, sewage flows from the pre-reaction zone to the main reaction zone, the pre-reaction zone and the main reaction zone are provided with aeration pipes, the aeration pipes are connected with the air blower, a reflux pump and a decanter are arranged at the rear end of the main reaction zone, and the reflux pump enables the sewage at the rear end of the main reaction zone to flow back to the pre-reaction zone;
the coagulating sedimentation disinfection device comprises a coagulating area, a precipitating area and a disinfection area which are sequentially arranged, wherein the coagulating area is provided with a coagulating mixer and a dosing pump, the precipitating area is provided with an inclined tube assembly and a water outlet weir groove, sewage flows into the precipitating area from the bottom of the coagulating area, water in the precipitating area flows to the upper layer of the inclined tube assembly through the inclined tube assembly, sediment is deposited on the lower layer of the inclined tube assembly, water on the upper layer of the inclined tube assembly is discharged to the disinfection area through the water outlet weir groove containing a triangular weir plate, the sediment is discharged by a sludge discharge pump, and the disinfection area is provided with an ultraviolet disinfection assembly frame;
the PAC dosing system comprises a dosing barrel, a dosing stirrer and a PAC dosing tank, wherein the PAC dosing tank adds a medicament into the dosing barrel, the dosing barrel is provided with a water inlet and a medicament outlet, the dosing stirrer is arranged in the dosing barrel, and the medicament outlet is communicated with the dosing pump;
and the electric automatic control system is respectively connected with the electric equipment of the integrated sewage treatment device.
2. The rural domestic sewage integrated treatment device of claim 1, further comprising a maintenance room, wherein the dredge pump, the PAC dosing system, the blower and the electric automatic control system are all arranged in the maintenance room.
3. The rural domestic sewage integrated treatment device of claim 1, further comprising a photovoltaic power generation system, wherein the photovoltaic power generation system comprises a photovoltaic panel and a small-sized generator, the photovoltaic panel is arranged above the equipment of the integrated sewage treatment device, the small-sized generator is connected with the photovoltaic panel, and the small-sized generator is connected with the electric automatic control system.
4. The rural domestic sewage integrated treatment device of claim 1, wherein a lifting hole is arranged on the water collecting and lifting device, and a manhole is arranged in the CASS device and the coagulating sedimentation and disinfection device.
5. The rural domestic sewage integrated treatment device of claim 1, wherein the water collection lifting device is buried, the basket grid and the lift pump are both arranged at the bottom of the water collection device, and the water outlet of the lift pump is further connected with a check valve and a butterfly valve.
6. The rural domestic sewage integrated treatment device of claim 1 or 5, wherein a fine grid cover is arranged outside the water inlet of the lift pump.
7. The rural domestic sewage integrated treatment device of claim 1, wherein the CASS device comprises a reaction stage and a sedimentation stage, the blower and the reflux pump are turned on in the reaction stage, the blower and the reflux pump are turned off in the sedimentation stage, the dredge pump is connected to the CASS device, and the decanter is started after the sedimentation stage to discharge the settled supernatant to the coagulating sedimentation disinfection device.
8. The rural domestic sewage integrated treatment device of claim 1, wherein the electrical automatic control system comprises an electrical subsystem and an automatic control subsystem, the electrical subsystem is respectively connected with each electrical equipment, and the automatic control subsystem is respectively connected with a liquid level detection assembly, the lifting pump, the blower, the reflux pump, the coagulation mixer, the dosing pump, the sludge discharge pump and the PAC dosing system which are arranged in each device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224453.7U CN210394097U (en) | 2019-07-31 | 2019-07-31 | Rural domestic sewage integrated treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224453.7U CN210394097U (en) | 2019-07-31 | 2019-07-31 | Rural domestic sewage integrated treatment device |
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| CN210394097U true CN210394097U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921224453.7U Active CN210394097U (en) | 2019-07-31 | 2019-07-31 | Rural domestic sewage integrated treatment device |
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| CN (1) | CN210394097U (en) |
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- 2019-07-31 CN CN201921224453.7U patent/CN210394097U/en active Active
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