CN111547952B - A method and device for intelligently treating unconventional water in rural areas - Google Patents
A method and device for intelligently treating unconventional water in rural areas Download PDFInfo
- Publication number
- CN111547952B CN111547952B CN202010434352.3A CN202010434352A CN111547952B CN 111547952 B CN111547952 B CN 111547952B CN 202010434352 A CN202010434352 A CN 202010434352A CN 111547952 B CN111547952 B CN 111547952B
- Authority
- CN
- China
- Prior art keywords
- water
- treatment unit
- water quality
- artificial wetland
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 265
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 87
- 230000001105 regulatory effect Effects 0.000 claims abstract description 62
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 50
- 239000010865 sewage Substances 0.000 claims description 94
- 239000002131 composite material Substances 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 13
- 230000002550 fecal effect Effects 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 2
- 241000894006 Bacteria Species 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 239000003945 anionic surfactant Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000002071 nanotube Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
本发明提供一种农村非常规水智能化处理方法及装置，所述处理装置包括格栅调节池、前端水质监测井、一体化处理单元、人工湿地处理单元、紫外消毒井、出水监测井；格栅调节池的出口与前端水质监测井的入口连接，前端水质监测井的出口分别与一体化处理单元和人工湿地处理单元的入口连接，一体化处理单元的出口与人工湿地处理单元的入口连接，前端水质监测井根据水质监测情况控制水质是否需要经过一体化处理单元处理后进入人工湿地处理单元或是直接进入人工湿地处理单元，人工湿地处理单元的出口与紫外消毒井的入口连接，紫外消毒井的出口与出水监测井的入口连接。本发明具有占地面积小、建造灵活、处理效果好、运行低耗易维护兼具景观效果等优点。
The present invention provides a method and device for intelligently treating unconventional water in rural areas. The treatment device comprises a grid regulating pool, a front-end water quality monitoring well, an integrated treatment unit, an artificial wetland treatment unit, an ultraviolet disinfection well, and an outlet water monitoring well; the outlet of the grid regulating pool is connected to the inlet of the front-end water quality monitoring well, the outlet of the front-end water quality monitoring well is respectively connected to the inlets of the integrated treatment unit and the artificial wetland treatment unit, the outlet of the integrated treatment unit is connected to the inlet of the artificial wetland treatment unit, the front-end water quality monitoring well controls whether the water quality needs to enter the artificial wetland treatment unit after being treated by the integrated treatment unit or directly enters the artificial wetland treatment unit according to the water quality monitoring situation, the outlet of the artificial wetland treatment unit is connected to the inlet of the ultraviolet disinfection well, and the outlet of the ultraviolet disinfection well is connected to the inlet of the outlet water monitoring well. The present invention has the advantages of small footprint, flexible construction, good treatment effect, low consumption and easy maintenance in operation, and landscape effect.
Description
Technical Field
The invention relates to the field of environmental protection engineering, in particular to an intelligent rural unconventional water treatment method and device.
Background
The direct discharge of the sewage which does not reach the standard not only can pollute the local water body to a certain extent and influence the living and living environment of villagers, but also can cause the problems of low recycling efficiency of the domestic sewage, serious waste of water resources and the like. Therefore, there is a great need to develop ecological treatment and resource utilization of rural domestic sewage.
Rural domestic sewage treatment is a component part of village capacity improvement. The rural domestic sewage collection, treatment and resource facility construction are enhanced, the pollution of rural water, soil and the like caused by the direct discharge of domestic sewage is avoided, and the safety of rural water sources and physical and mental health of farmers are urgent problems to be solved for improving rural human living environment. Meanwhile, the rural domestic sewage is effectively treated and recycled, so that the method is not only an urgent need for improving the living environment of residents in the village, but also an important condition and foundation for building a clean village and a most beautiful village. Therefore, it is necessary to adopt ecological and efficient sewage ecological treatment technology to carry out treatment of rural unconventional water (domestic sewage) and carry out resource utilization of unconventional water by combining actual conditions of the village.
In view of the problems of poor pollutant removal effect, unstable effluent quality, complex later operation and maintenance, short service life and the like of most rural domestic sewage treatment technologies at present. Therefore, in order to solve the defects of the prior art, a rural unconventional water treatment system which is simple and easy to maintain and has a landscape effect is urgently needed.
Disclosure of Invention
Aiming at the problems existing in the technology and application, the invention provides an intelligent treatment method for rural unconventional water, which is used as a sewage treatment technology with simple structure, low treatment cost, good pollutant removal effect and stable operation effect, can be used for rural domestic sewage treatment and resource utilization, reduces the pollution to rural water environment, and can be used as a source of unconventional water in arid areas, resource type water-deficient areas, rural areas, towns and the like.
The invention also aims to provide an intelligent rural unconventional water treatment device which monitors the quality and quantity of inflow water to control the operation mode of a subsequent treatment unit and has the advantages of small occupied area, flexible construction, good treatment effect, low operation consumption, easy maintenance, landscape effect and the like.
In order to achieve the above object, the present invention adopts the following technical measures:
an intelligent rural unconventional water treatment device comprises a grid regulating tank, a front-end water quality monitoring well, an integrated treatment unit, an artificial wetland treatment unit, an ultraviolet disinfection well and a water outlet monitoring well; the outlet of the grid regulating tank is connected with the inlet of the front end water quality monitoring well, the outlet of the front end water quality monitoring well is connected with the inlets of the integrated treatment unit and the artificial wetland treatment unit respectively, the outlet of the integrated treatment unit is connected with the inlet of the artificial wetland treatment unit, the front end water quality monitoring well controls whether water quality needs to be treated by the integrated treatment unit or directly enters the artificial wetland treatment unit or not according to the water quality monitoring condition, the outlet of the artificial wetland treatment unit is connected with the inlet of the ultraviolet disinfection well, and the outlet of the ultraviolet disinfection well is connected with the inlet of the water outlet monitoring well.
Further, the grating regulating tank comprises a thick grating and a thin grating and a regulating tank, wherein the thick grating consists of thick gratings and thin gratings, the grating pitch of the thick gratings is more than 35mm and less than 45mm, and the grating pitch of the thin gratings is more than 16mm and less than 25mm.
Further, the front-end water quality monitoring well comprises a monitoring well and an online water quality monitor arranged in the monitoring well, wherein the online water quality monitor is used for carrying out online water quality monitoring on effluent of the regulating tank, and if the online water quality monitor monitors that the water inflow amount is stable and the water quality reaches the water inflow standard of the wetland unit, the sewage is controlled to directly enter the constructed wetland treatment unit, and the integrated treatment unit is not started at the moment; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit for treatment, and then entering the artificial wetland treatment unit for treatment.
Furthermore, the integrated treatment unit adopts the organic combination of an AAO method and a biomembrane method, and the specific structure comprises an anaerobic zone, an anoxic zone, an aerobic aeration zone, a sedimentation tank, a mixed liquor reflux system and a sludge reflux and storage system, sewage is firstly lifted to the anaerobic zone by a lifting pump after passing through a front-end water quality monitoring well, and the sewage mainly releases phosphorus in the anaerobic zone, and carbon sources and sludge containing phosphorus in the sedimentation tank are refluxed; then enters an anoxic zone, and the mixed liquid of nitrate nitrogen of a carbon source and an aerobic zone is refluxed in the anoxic zone through denitrification and denitrification; then the mixture enters an aerobic aeration zone, and the mixed solution flows back to an anoxic zone; finally, the wastewater enters a sedimentation tank to separate mud from water, a part of sludge flows back to an anaerobic zone through a mixed liquor backflow system, and the residual sludge is discharged out, so that the purpose of dephosphorization is achieved, and the supernatant is discharged as treated water.
Furthermore, the constructed wetland treatment unit comprises a composite vertical flow constructed wetland and a horizontal subsurface flow constructed wetland, and is used for further deeply treating sewage by utilizing the physical, chemical and biological triple cooperation effects of fillers, plants and microorganisms in the constructed wetland, wherein the composite vertical flow constructed wetland and the horizontal subsurface flow constructed wetland are arranged in series or in parallel.
Furthermore, the front ends of the composite vertical flow constructed wetland and the horizontal subsurface flow constructed wetland of the constructed wetland treatment unit are provided with water distribution channels, the tail ends of the composite vertical flow constructed wetland and the horizontal subsurface flow constructed wetland are provided with water receiving channels, the water distribution channels and the water receiving channels are respectively provided with an embedded baffle plate card and an embedded serial pipe, and the composite vertical flow constructed wetland and the horizontal subsurface flow constructed wetland can be changed into a serial mode from parallel connection through the embedded baffle plate cards arranged in the embedded clamping grooves.
Further, the ultraviolet disinfection well comprises a disinfection well body and ultraviolet disinfection equipment arranged in the disinfection well body.
Further, the water outlet monitoring well comprises a monitoring well body and water quality on-line monitoring equipment arranged on the monitoring well body.
The rural unconventional water intelligent treatment method is carried out by adopting the device, and comprises the following steps: the sewage is firstly regulated by a grid regulating tank and then enters a front-end water quality monitoring well, and if the water inflow is stable and the water quality reaches the water inflow standard of a wetland unit, the sewage is controlled to directly enter the constructed wetland treatment unit, and the integrated treatment unit is not started; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit for treatment, and then entering the artificial wetland treatment unit for treatment, and then entering the ultraviolet disinfection well for disinfection, and discharging the sewage into a receiving water body or recycling after reaching the final discharge standard through the water outflow monitoring well.
Further, the method comprises the following specific steps:
A. The sewage firstly passes through a grating regulating tank, the grating regulating tank comprises a coarse grating and a fine grating and a regulating tank, suspended matters or floating matters in the inflow water are intercepted, filtered and removed by the coarse grating and then enter the regulating tank, the regulating tank is regulated for 12 hours, and the regulating tank has the function of balancing water quality and water quantity so as to lighten the treatment load of a subsequent operation treatment facility, prevent a water pump from being blocked and prevent the water quantity and water quality from suddenly changing to influence the normal operation of a subsequent biochemical system;
B. The sewage enters the front-end water quality monitoring well after being regulated by the grille regulating reservoir, and water quality on-line monitoring equipment is arranged in the front-end water quality monitoring well and used for carrying out on-line water quality monitoring on effluent of the regulating reservoir so as to control the operation mode of the subsequent treatment unit: if the water inflow amount is stable and the water quality reaches the water inflow standard of the wetland unit, controlling the sewage to directly enter the artificial wetland treatment unit, and enabling the integrated treatment unit not to be started; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit for treatment, and then entering the wetland treatment unit for treatment;
C. The sewage treated by the artificial wetland treatment unit or the integrated treatment unit and the artificial wetland treatment unit enters an ultraviolet disinfection well, and the sewage is subjected to ultraviolet disinfection by ultraviolet disinfection equipment in the ultraviolet disinfection well to eliminate fecal coliform, so that the water quality is further purified, and the final emission standard is reached;
D. the water after ultraviolet disinfection enters a water outlet monitoring well and then is discharged into a receiving water body or recycled.
The invention has the beneficial effects and advantages that:
1. According to the invention, grids with different specifications are arranged at the front end of the regulating tank, and the grids and the regulating tank are combined and constructed, so that the water inlet regulating tank and the water collecting tank are provided, and the occupied area and investment required by engineering can be greatly reduced;
2. The invention can detect the water quality in the front-end water quality monitoring well, and when the water inflow of the regulating reservoir is stable and the water quality reaches the water inflow standard of the wetland unit, the invention can control the sewage to directly enter the wetland treatment unit, and the integrated treatment equipment is not started, thereby achieving the purpose of saving energy consumption;
3. The integrated sewage treatment equipment is integrated with the processes of biodegradation, sludge sedimentation and the like, has compact equipment structure, small occupied area, economical operation, strong shock concentration resistance, high treatment efficiency and convenient management and maintenance, and the integrated mode can greatly reduce the construction period;
4. According to the characteristics of the water quality of the inflow water and the actual running condition, the invention adopts a combined wetland process of combining the vertical flow and the horizontal subsurface flow in parallel, and the water quality of the final outflow water of the terminal reaches the optimum by regulating and controlling the inflow of different wetlands;
5. according to the invention, under the condition that the quality and quantity of the inflow water are stable, two groups of wetlands adopt a parallel mode, and the two wetlands operate simultaneously and do not interfere with each other, so that the influence caused by abnormal operation of one group of wetlands can be minimized, and the normal realization of the functions of the wetlands can be ensured;
6. According to the invention, the water receiving channel and the water distributing channel of the constructed wetland treatment unit are respectively pre-embedded with the baffle, and the baffle is arranged in the pre-embedded clamping groove, so that the parallel and serial modes of the constructed wetland can be flexibly regulated and controlled; for example, under the circumstances that the pollution load of water inflow is high, the water yield is unstable, can change above-mentioned wetland into the serial mode through the baffle that sets up in the pre-buried draw-in groove, promote treatment effect in order to ensure that final play water quality can stabilize up to standard.
Drawings
FIG. 1 is a schematic flow chart of the rural unconventional water intelligent treatment method of the invention;
FIG. 2 is a schematic diagram of the rural unconventional water intelligent treatment device.
In the figure: 1-a grid regulating tank, 2-a front end water quality monitoring well, 3-an integrated processing unit, 4-an artificial wetland processing unit, 41-a composite vertical flow artificial wetland, 42-a horizontal subsurface flow artificial wetland, 5-an ultraviolet disinfection well, 6-a water outlet monitoring well, 7-a water collecting channel, 8-an embedded baffle, 9-an embedded serial pipe, 10-a water distributing channel, 11-an emergency test tube and 12-a control room.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, in the rural unconventional water intelligent treatment method, sewage firstly passes through a grid adjusting tank 1, enters a front-end water quality monitoring well 2 after being adjusted by the grid adjusting tank 1, and if the water inflow is stable and the water quality reaches the water inflow standard of a wetland unit, the sewage is controlled to directly enter an artificial wetland treatment unit 4, and the integrated treatment unit 3 is not started; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit 3 for treatment, and then entering the artificial wetland treatment unit 4 for treatment, then entering the ultraviolet disinfection well 5 for disinfection, and finally reaching the final discharge standard through the water outflow monitoring well 6 and then being discharged into the receiving water body or being subjected to the regeneration such as irrigation. The method comprises the following specific steps:
A. The sewage firstly passes through a grating regulating tank 1, the grating regulating tank 1 comprises a thick and thin grating and a regulating tank, suspended matters or floating matters in the inflow water are intercepted, filtered and removed by the thick and thin grating and then enter the regulating tank, the regulating tank is regulated for 12 hours, the regulating tank has the function of balancing water quality and water quantity, the treatment load of a subsequent operation treatment facility can be lightened, the blockage of a water pump is prevented, and the rapid change of the water quantity and the water quality is prevented to influence the normal operation of a subsequent biochemical system;
B. The sewage enters the front-end water quality monitoring well 2 after being regulated by the grid regulating tank 1, and the front-end water quality monitoring well 2 is provided with water quality on-line monitoring equipment, so that the effluent of the regulating tank can be subjected to on-line water quality monitoring to control the operation mode of a subsequent treatment unit. If the water inflow amount is stable and the water quality reaches the water inflow standard of the wetland unit, controlling the sewage to directly enter the artificial wetland treatment unit 4, and enabling the integrated treatment unit 3 not to be started; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit 3 for treatment, and then entering the wetland treatment unit for treatment;
C. the sewage treated by the artificial wetland treatment unit 4 or the integrated treatment unit 3 and the artificial wetland treatment unit 4 enters an ultraviolet disinfection well 5, and the sewage is subjected to ultraviolet disinfection by ultraviolet disinfection equipment in the ultraviolet disinfection well 5 to eliminate fecal coliform and the like, so that the water quality is further purified and the final emission standard is reached;
D. the water after ultraviolet disinfection enters a water outlet monitoring well 6 and is then discharged into a receiving water body or irrigated for recycling.
As shown in fig. 2, the rural unconventional water intelligent treatment device can realize the rural unconventional water intelligent treatment method, which is generally built at the lowest land topography of a rural area or a town or at the outlet terminal of a sewage collection pipe network, and the treatment object is resident domestic sewage.
The treatment device comprises a grid regulating tank 1, a front-end water quality monitoring well 2, an integrated treatment unit 3, an artificial wetland treatment unit 4, an ultraviolet disinfection well 5 and a water outlet monitoring well 6, wherein the outlet of the grid regulating tank 1 is connected with the inlet of the front-end water quality monitoring well 2, the outlet of the front-end water quality monitoring well 2 is connected with the inlets of the integrated treatment unit 3 and the artificial wetland treatment unit 4 respectively, the outlet of the integrated treatment unit 3 is connected with the inlet of the artificial wetland treatment unit 4, the front-end water quality monitoring well 2 controls whether water quality needs to be treated by the integrated treatment unit 3 and then enters the artificial wetland treatment unit 4 or directly enters the artificial wetland treatment unit 4 according to the water quality monitoring condition, the outlet of the artificial wetland treatment unit 4 is connected with the inlet of the ultraviolet disinfection well 5, and the outlet of the ultraviolet disinfection well 5 is connected with the inlet of the water outlet monitoring well 6.
The grating regulating tank 1 comprises a thick grating and a thin grating and a regulating tank, wherein the thick grating consists of thick gratings and thin gratings, the grating pitch of the thick grating is more than 35mm and less than 45mm and is used for intercepting larger suspended matters or floating matters, and the grating pitch of the thin grating is more than 16mm and less than 25mm; the volume of the regulating tank is constructed according to the sewage treatment capacity and the regulating time of more than or equal to 12 hours, and the regulating tank is made of carbon steel or brick-concrete or steel-concrete or stainless steel.
The front-end water quality monitoring well 2 comprises a monitoring well and an on-line water quality monitor arranged in the monitoring well, and can monitor the water quality of the effluent of the regulating tank on line so as to control the operation mode of the subsequent processing unit. If the online water quality monitor monitors that the water inflow amount is stable and the water quality reaches the water inflow standard of the wetland unit, controlling the sewage to directly enter the artificial wetland treatment unit 4, and at the moment, the integrated treatment unit 3 is not started; if the water inflow amount is unstable and the water quality does not reach the water inflow standard of the wetland unit, controlling the sewage to enter the integrated treatment unit 3 for treatment, and then entering the artificial wetland treatment unit 4 for treatment.
The core technology of the integrated treatment unit 3 adopts the organic combination of an AAO method and a biomembrane method, and is specifically constructed as an organic combination of an anaerobic zone, an anoxic zone, an aerobic aeration zone, a sedimentation tank, a mixed liquor reflux system, a sludge reflux and storage system and the like. After passing through the front-end water quality monitoring well 2, the sewage is firstly lifted to an anaerobic zone by a lifting pump, and phosphorus is mainly released in the anaerobic zone, and a carbon source and phosphorus-containing sludge in a sedimentation tank flow back; then enters an anoxic zone, and the mixed liquid of nitrate nitrogen of a carbon source and an aerobic zone is refluxed in the anoxic zone through denitrification and denitrification; then the mixture enters an aerobic aeration zone, and the mixed solution flows back to an anoxic zone; finally, the wastewater enters a sedimentation tank to separate mud from water, a part of sludge flows back to an anaerobic zone, and the residual sludge is discharged to achieve the purpose of dephosphorization, and the supernatant is discharged as treated water.
The constructed wetland treatment unit 4 is a wetland process combining composite vertical flow and horizontal subsurface flow, and adopts a mode of connecting two wetlands in parallel to further treat sewage, namely the constructed wetland treatment unit 4 comprises a composite vertical flow constructed wetland 41 and a horizontal subsurface flow constructed wetland 42, and the physical, chemical and biological triple cooperative actions of fillers, plants and microorganisms in the wetlands are utilized to further carry out advanced treatment so as to ensure that the final effluent water quality can reach the standard stably. The two types of wetlands operate simultaneously and do not interfere with each other, so that the influence caused by abnormal operation of one group of wetlands can be reduced to the minimum, and the normal implementation of the functions of the wetlands can be ensured. Meanwhile, an emergency test tube 11 is embedded, the emergency test tube 11 is located at the bottom of the wetland and consists of PVC branch pipes perforated at the periphery and a main pipe, and when two groups of the wetland are blocked at the same time, the wetland water accumulation is discharged in an emergency mode by opening a valve.
The front ends of the composite vertical flow unit and the horizontal subsurface flow unit of the constructed wetland treatment unit 4 are provided with a water distribution channel 10, the tail ends of the composite vertical flow unit and the horizontal subsurface flow unit are provided with a water receiving channel 7, the water distribution channel 10 and the water receiving channel 7 are respectively provided with an embedded baffle plate card 8 and an embedded serial pipe 9, the embedded baffle plate cards 8 are arranged in embedded clamping grooves, the wetland can be changed into a serial mode through the embedded baffle plate cards 8 arranged in the embedded clamping grooves, and flexible regulation and control of the parallel and serial modes of the wetland are realized.
The ultraviolet disinfection well 5 is connected with the water outlet of the constructed wetland treatment unit 4, the ultraviolet disinfection well 5 comprises a disinfection well body and ultraviolet disinfection equipment arranged in the disinfection well body, the size of the disinfection well body is used for conveniently installing the ultraviolet disinfection equipment, the ultraviolet disinfection equipment selects different specifications and types according to the sewage amount, the water treated by the constructed wetland treatment unit 4 is subjected to ultraviolet disinfection, faecal coliform and the like are eliminated, the water quality is further purified, and then the water enters the water outlet monitoring well 6.
The water outlet monitoring well 6 comprises a monitoring well body and water quality on-line monitoring equipment arranged on the monitoring well body, wherein the monitoring well body consists of a brick-concrete structure, and meanwhile, white ceramic tiles are stuck on the inner wall of the well body, so that sensory observation on water outlet is facilitated; the size of the monitoring well body is used for conveniently installing water quality on-line monitoring equipment and facilitating sampling detection, the water quality on-line monitoring equipment is installed in the effluent monitoring well, the effluent quality is detected on line, monitoring indexes include but are not limited to indexes such as pH, DO, NH 3 -N, COD and the like, the monitoring equipment can select an on-line automatic water quality monitoring system commonly used in the current industry, and the monitoring equipment can be discharged into a receiving water body or irrigated, greening and other recycling systems after reaching the final discharge standard. The above-mentioned series of processes except that the pre-buried baffle card needs manual control, including elevator pump, quality of water on-line monitoring system, integrated processing unit etc. are all controlled and display data by the control cabinet 12.
The device is used as a domestic sewage treatment technology with simple structure, low treatment cost, good pollutant removal effect and stable operation effect, and has important significance for developing rural domestic sewage treatment and resource utilization and reducing the pollution to rural water environment.
Example 1:
The invention discloses an intelligent rural unconventional water treatment device which is applied to rural domestic sewage treatment of Zhoushan end villages in Yongkang city in Zhejiang province, and specifically comprises the following steps:
① Sewage source
The sewage of the treatment system is discharged from domestic sewage of villages at the ends of Zhoushan and town in Yongkang city, the village is transformed and constructed by a rain and sewage diversion pipe network, no perfect sewage treatment facilities exist, and the sewage is directly discharged after passing through the original anaerobic tank.
② Nature of sewage
The sewage property of the treatment system is rural domestic sewage.
③ Sewage water volume
The natural village population is about 400 people, and the engineering treatment scale is 30m 3/d.
④ Inlet water quality and analysis
The index of the quality of the inflow water of the domestic sewage in the engineering is shown in the table 1, the inflow water enters a three-grid septic tank before the sewage exits from the household nano tube, the BOD/COD value of the inflow water is about 0.5, and the biodegradability is high.
TABLE 1 engineering influent water quality
| Sequence number | Project | Inflow of water |
| 1 | Chromaticity of | 75 |
| 2 | Turbidity (NTU) | 70 |
| 3 | PH value of | 5-9 |
| 4 | CODCr(mg/L) | 350 |
| 5 | BOD5(mg/L) | 200 |
| 6 | Suspension (mg/L) | 250 |
| 7 | Full salt (mg/L) | 2000 |
| 8 | Anionic surfactant (mg/L) | 10 |
| 9 | Fecal coliform count (number/L) | 106 |
⑤ Effluent quality
The average treatment effect after the device was built up to run continuously for 1 year is shown in table 2. The main indexes of 9 engineering effluent chromaticity, turbidity, pH value, COD Cr、BOD5, suspended matters (SS), total salt amount, anionic surfactant, fecal coliform group number and the like reach the surface recharging standard specified in the water quality standard of reclaimed water (SL 368-2006) and the water specified in the water quality standard of farm irrigation (GB 5084-2005) to serve as crop irrigation standards, and the detailed table 2 is shown.
Table 2 average effluent quality after 1 year of continuous operation
| Sequence number | Project | Effluent water | Removal rate (%) |
| 1 | Chromaticity of | 3 | ≥60 |
| 2 | Turbidity (NTU) | 20 | ≥70 |
| 3 | PH value of | 7.3 | / |
| 4 | CODCr(mg/L) | 35 | ≥60 |
| 5 | BOD5(mg/L) | 12 | ≥70 |
| 6 | Suspension (mg/L) | 8 | ≥70 |
| 7 | Full salt (mg/L) | 150 | ≥50 |
| 8 | Anionic surfactants | 2 | ≥50 |
| 9 | Fecal coliform count (number/L) | 4000 | ≥90 |
Example 2:
The invention discloses an intelligent rural unconventional water treatment device which is applied to rural domestic sewage treatment of a natural village in Ezhou city of Hubei province, and specifically comprises the following steps:
① Sewage source
The sewage of the treatment system comes from a natural village in Ezhou city of Hubei province, the village has completed intercepting sewage nanotubes but has no perfect sewage treatment facilities, and the sewage is directly discharged to nearby water bodies.
② Nature of sewage
The sewage property of the treatment system is rural domestic sewage.
③ Sewage water volume
The natural village population is about 800 people, and the engineering treatment scale is 60m 3/d.
④ Inlet water quality and analysis
The index of the quality of the inflow water of the domestic sewage in the engineering is shown in the table 3, the sewage enters the three-grid septic tank before exiting the household nano tube, the BOD/COD value of the inflow water is about 0.6, and the biodegradability is high.
TABLE 3 engineering influent water quality
| Sequence number | Project | Inflow of water |
| 1 | Chromaticity of | 80 |
| 2 | Turbidity (NTU) | 60 |
| 3 | PH value of | 5-9 |
| 4 | CODCr(mg/L) | 400 |
| 5 | BOD5(mg/L) | 280 |
| 6 | Suspension (mg/L) | 300 |
| 7 | Full salt (mg/L) | 2200 |
| 8 | Anionic surfactant (mg/L) | 12 |
| 9 | Fecal coliform count (number/L) | 106 |
⑤ Effluent quality
The device for realizing the rural unconventional water intelligent treatment method is built to continuously run for 6 months, and the average treatment effect is shown in table 4. The main indexes of 9 engineering effluent chromaticity, turbidity, pH value, COD Cr、BOD5, suspended matters (SS), total salt amount, anionic surfactant, fecal coliform group number and the like reach the surface recharging standard specified in the water quality standard of reclaimed water (SL 368-2006) and the water specified in the water quality standard of farm irrigation (GB 5084-2005) to serve as crop irrigation standards, and the detailed description is shown in Table 4.
Table 4 shows the average effluent quality after 6 months of continuous operation
| Sequence number | Project | Effluent water | Removal rate (%) |
| 1 | Chromaticity of | 5 | ≥60 |
| 2 | Turbidity (NTU) | 30 | ≥70 |
| 3 | PH value of | 7.8 | / |
| 4 | CODCr(mg/L) | 50 | ≥60 |
| 5 | BOD5(mg/L) | 15 | ≥70 |
| 6 | Suspension (mg/L) | 10 | ≥70 |
| 7 | Full salt (mg/L) | 200 | ≥50 |
| 8 | Anionic surfactants | 1 | ≥50 |
| 9 | Fecal coliform count (number/L) | 5000 | ≥90 |
The invention can be applied to the treatment and resource utilization of unconventional water such as rural or town domestic sewage, and takes the rural domestic sewage as a main treatment object, including the treatment of all domestic wastewater such as fecal black water, kitchen effluent, washing water, bath water and the like after septic tank treatment.
According to the present invention, according to the present situation of rural unconventional water (domestic sewage) utilization and the existing problems, a rural unconventional water treatment technology with good pollutant removal effect, strong impact load resistance, low operation consumption, stability, simple maintenance and landscape effect is selected, rural domestic sewage treatment and resource utilization are developed, not only can demonstration samples and technical supports be provided for realizing the aim of a water-saving social innovation test point implementation, but also the conversion of technical achievements to technical comprehensive integration and demonstration application is promoted.
The foregoing is merely illustrative embodiments of the present invention, and the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434352.3A CN111547952B (en) | 2020-05-21 | 2020-05-21 | A method and device for intelligently treating unconventional water in rural areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434352.3A CN111547952B (en) | 2020-05-21 | 2020-05-21 | A method and device for intelligently treating unconventional water in rural areas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111547952A CN111547952A (en) | 2020-08-18 |
| CN111547952B true CN111547952B (en) | 2024-11-19 |
Family
ID=72000401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010434352.3A Active CN111547952B (en) | 2020-05-21 | 2020-05-21 | A method and device for intelligently treating unconventional water in rural areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111547952B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117756320B (en) * | 2023-12-15 | 2025-12-02 | 北京以先环保科技有限公司 | A contaminated groundwater remediation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212246689U (en) * | 2020-05-21 | 2020-12-29 | 长江水利委员会长江科学院 | An intelligent treatment device for rural unconventional water |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674628B (en) * | 2012-05-03 | 2013-08-28 | 波鹰(厦门)科技有限公司 | Sewage treatment and regeneration cyclic utilization device and sewage treatment and regeneration cyclic utilization method |
| CN103936159B (en) * | 2014-03-21 | 2015-07-08 | 南大（常熟）研究院有限公司 | Constructed wetland sewage treatment device and method for treating sewage |
| CN106746351A (en) * | 2017-01-16 | 2017-05-31 | 深圳市碧园环保技术有限公司 | A kind of processing system for domestic sewage in rural areas |
| CN108298692B (en) * | 2018-04-16 | 2024-03-26 | 九江赛恩斯环保科技发展有限公司 | Adjustable constructed wetland system |
| CN110590055A (en) * | 2019-07-29 | 2019-12-20 | 岭南水务集团有限公司 | Rural sewage treatment system |
-
2020
- 2020-05-21 CN CN202010434352.3A patent/CN111547952B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212246689U (en) * | 2020-05-21 | 2020-12-29 | 长江水利委员会长江科学院 | An intelligent treatment device for rural unconventional water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111547952A (en) | 2020-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101928096B (en) | Sewage treatment method and system in ecological sensitive areas | |
| CN102531298B (en) | Sewage treatment device and method for enhanced denitrification A/A/O (Anodic Aluminum Oxide) and deoxygenation BAF (Biological Aerated Filter) | |
| CN101973631B (en) | Sewage treatment reactor applicable to rural area | |
| CN108249691B (en) | Integrated low-energy-consumption distributed village and town domestic sewage treatment system | |
| CN107417031A (en) | A kind of ecological type sewage purifier | |
| CN103539324B (en) | Biological ceramsite device for deeply treating domestic wastewater as well as process thereof | |
| CN205398371U (en) | Rural miniaturized integration sewage treatment unit | |
| CN211644961U (en) | Integrated sewage treatment equipment | |
| CN212246689U (en) | An intelligent treatment device for rural unconventional water | |
| CN215712455U (en) | Sewage treatment system | |
| CN205710300U (en) | A kind of sewage-treatment plant | |
| CN2616530Y (en) | Micro-power domestic sewage treatment integrating apparatus | |
| CN107337319A (en) | Modified MAO+MBR embrane method sewage disposal systems | |
| CN210796140U (en) | Domestic sewage treatment device | |
| CN109292980A (en) | A multi-stage AO-MBBR process sewage treatment device and method with adjustable stages | |
| CN210855718U (en) | Novel rural sewage treatment system | |
| CN101941774A (en) | Micro-power dispersion type domestic sewage treatment process | |
| CN111547952B (en) | A method and device for intelligently treating unconventional water in rural areas | |
| CN204874190U (en) | Integrated film biological reactor | |
| CN203783185U (en) | Ecological public toilet | |
| CN109775936B (en) | Low-energy-consumption domestic sewage treatment system | |
| CN219194752U (en) | Rural rain and sewage split-flow treatment integrated device | |
| CN204022558U (en) | A kind of energy-saving MBR oxidation ditch waste disposal plant | |
| CN113024012A (en) | Distributed household sewage treatment equipment and sewage treatment method thereof | |
| CN208308624U (en) | Integrated intelligent sewage-treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |