CN108911142A - A kind of two-part strengthened denitrification intelligence artificial wet land system - Google Patents

A kind of two-part strengthened denitrification intelligence artificial wet land system Download PDF

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Publication number
CN108911142A
CN108911142A CN201810965675.8A CN201810965675A CN108911142A CN 108911142 A CN108911142 A CN 108911142A CN 201810965675 A CN201810965675 A CN 201810965675A CN 108911142 A CN108911142 A CN 108911142A
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carbon source
water
wet land
monitoring
water quality
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曹燕
范天立
李海礁
李国超
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Beijing Fudi Zhongye Environmental Technology Co., Ltd.
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Beijing Orient Environment Technology Co Ltd
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Priority to CN201810965675.8A priority Critical patent/CN108911142A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/14NH3-N
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/16Total nitrogen (tkN-N)

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The present invention relates to a kind of two-part strengthened denitrification intelligence artificial wet land systems, it includes the oxygen-enriched collecting-tank set gradually according to water (flow) direction, strengthens nitration section, interlude sealing testing well, intensified anti-nitrated section and end monitoring well, and each building is sequentially connected in series by pipeline;The reinforcing nitration section and intensified anti-nitrated section remove the pollutant in water quality stage by stage;The interlude sealing testing well carries out real-time monitoring to the reinforcing nitration section effluent quality;The water quality that the end monitoring well is discharged described intensified anti-nitrated section carries out real-time monitoring;The interlude sealing testing well acts synergistically according to the monitoring data of the interlude sealing testing well and the end monitoring well, determines the carbon source situation of wet land system and precisely adds carbon source, while establishing wetland operation data library according to monitoring data.The present invention remove pollutant especially TN it is high-efficient, can intelligent control, wetland can modular combination, the purification of water quality suitable for different scales.

Description

A kind of two-part strengthened denitrification intelligence artificial wet land system
Technical field
The present invention relates to a kind of two-part strengthened denitrification intelligence artificial wet land systems, are suitable for river regulation, life in the countryside The fields such as sewage separated practices, Rural Plane Source Pollution improvement, water source pump-station.
Background technique
Compared with traditional water treatment technology, artificial swamp have small investment, operating cost is low, treatment effect is stable, resistance to Impact meets the features such as strong.The technology utilizes matrix, the synergistic purification effect removal water pollutant of plant, microorganism.Manually Wetland technology is initially primarily as one kind of sanitary sewage two stage treatment means, with the development of the market demand, artificial swamp It is increasingly becoming a kind of means of Liao Ge sewage treatment plant advanced treating again, in recent years, a kind of technology of the artificial swamp as ecology Means are increasingly used in the fields such as river regulation, water source pump-station, Rural Plane Source Pollution improvement, and effect is increasingly It is prominent.
During removing pollutant, current wetland is advantageous compared with surface-flow.Current wetland load is high, removes COD (COD) and NH3- N (ammonia nitrogen) effect is preferable, but after treatment end usually because lack carbon source, denitrification by Resistance causes water outlet TN (total nitrogen) higher, this phenomenon is generally existing in practice, is a big technical problem of artificial swamp.Needle The problem of lacking to carbon source, has add the solid-states agricultural wastes such as corncob, wheat stalk in wetland as solid carbon at present Source, it is long-term to discharge, but after this addition method solid carbon source is decomposed, can not repeat to add;Also have and added in water body Liquid carbon source is insufficient to solve the problems, such as denitrification stage carbon source, but adds time, the bad control of dosage, it is easy to cause two Secondary pollution, runs counter to desire.Therefore exploring a kind of denitrogenation artificial wet land system of high efficiency smart is to crack Artificial Wetland Techniques barrier A major challenge.
In addition, climate is affected in Artificial Wetland Techniques water treatment procedure, usually have in actual operation with design Deviation generally requires to be adjusted in actual moving process according to operating experience, to ensure that wetland is able to maintain in optimum operation State.As do not focus in operational process operation data accumulation and in time adjust wetland operating status, it is more likely that cause to handle Inefficient proves an abortion.And the monitoring to artificial swamp operation data at present, mainly periodically manually examined by wetland operation maintenance personnel It surveys and records, but such data deficiency continuity, data volume is few, not architectonical, effect is not significant.Operation data it is deficient Weary is also a critical factor for restricting artificial swamp development.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of two-part strengthened denitrification intelligence artificial wet land system, it can It is insufficient effectively to solve the problems, such as current wetland denitrifying capacity, while change of water quality can be monitored in real time, according to actual needs Carbon source precisely is added, solves the problems, such as excessively to add bring secondary pollution, while accumulating artificial swamp operation data, is Manual moist Continuous and effective operating in ground provides data supporting, can also provide empirical data for effective operation with regional same type artificial swamp Library, this is significant for the development of Artificial Wetland Techniques.
To achieve the above object, the present invention takes following technical scheme:A kind of two-part strengthened denitrification intelligence artificial swamp System comprising oxygen-enriched collecting-tank, reinforcing nitration section, the interlude sealing testing well, reinforcing set gradually according to water (flow) direction Denitrification section and end monitoring well, each building are sequentially connected in series by pipeline;The reinforcing nitration section is to the pollution in water quality Object carries out nitrification and part denitrification;Reinforcing nitration section water outlet described in the interlude sealing testing well real-time monitoring Change of water quality, and according to water quality carbon source monitor situation, add carbon source on demand;Intensified anti-nitrated section to the pollutant in water quality into Row denitrification;The end monitoring well is monitored intensified anti-nitrated section of the effluent quality, and with interlude The effect of sealing testing well data collaborative, determines carbon source situation in wet land system, and real-time monitoring water quality other parameters, establishes wetland Operation data library.
Setting is for improving the aerator of water inlet DO oxygen content in the oxygen-enriched collecting-tank.
The reinforcing nitration section uses up flow type drowned flow artificial wet land, and water inlet is located at pond body left lower, water outlet position In pond body right upper portion;Water plant layer, planting soil layer and packing layer are set gradually from top to bottom;The water plant layer plantation Durability against pollution is strong, well developed root system water plant;The planting soil layer is with a thickness of 0.2m, and described filler layer is with a thickness of 0.8m.
Described filler layer is set gradually according to water (flow) direction as inhalant region, treatment region and gathering ground;The inhalant region sum aggregate Bulky grain filler is placed in pool, and porosity is not less than 0.3;The treatment region places little particle filler, porosity 50%.
Described intensified anti-nitrated section uses level stream drowned flow artificial wet land, the water inlet of the level stream drowned flow artificial wet land Pond body two sides are located at water outlet, and the water inlet is higher than the water outlet;The level stream drowned flow artificial wet land from Top to bottm is followed successively by water plant layer, planting soil layer and packing layer, and 12 kinds of plant durability against pollution of the water plant layer are strong, root system is sent out The water plant reached;The planting soil layer is with a thickness of 0.2m, and described filler layer is with a thickness of 0.8m;Described filler layer is according to water flow side To setting gradually as inhalant region, treatment region and gathering ground;Bulky grain filler is placed in the inhalant region and gathering ground, and porosity is not Lower than 0.3;The treatment region places little particle filler, porosity 40%.
The interlude sealing testing well includes that pond body, closed cover, water quality real-time watch device, carbon source add equipment automatically And PLC control cabinet;The latter end monitoring well includes pond body and another water quality real-time watch device;The closed cover for guarantee from The water outlet for strengthening nitration section is in anaerobic condition always;The two water quality real-time watch devices are for monitoring in the pond body COD, NH of water quality3- N, TN index;The PLC control cabinet is used for real according to water quality in interlude monitoring well and end monitoring well When monitoring device monitoring data, to the carbon source add automatically equipment carry out automatically controlling realize carbon source add;And it can basis Monitoring data, which sound an alarm, reminds operation maintenance personnel to pay close attention to wetland operating condition in time.
The water quality real-time watch device is fixed on the pond body side wall by fixed bracket, including probe, nothing Line communication module and data collecting instrument;The probe by the electric signal transmission of monitoring to the data collecting instrument, adopt by the data Collect instrument and monitoring data are transmitted to the mode of digital signal by the PLC control cabinet and number of devices by the wireless communication module According to management platform;Wherein, the transmission network of the wireless communication module is wireless transmission, including GPRS or Wifi.
Control instruction built in the PLC control cabinet is opened the carbon source and is added and set when monitoring that water quality carbon-nitrogen ratio is too low Standby switch, and according to required carbon source additive amount and the carbon source adding equipment internal carbon source concentration calculation inflow, and according into Water sets the opening time that the carbon source adds equipment box automatically automatically;Prompting fortune is sounded an alarm according to monitoring data simultaneously Dimension personnel pay close attention to wetland operating condition in time.
The carbon-nitrogen ratio judgment basis is:When the ammonia-nitrogen content of the end monitoring well is lower, TN content is excessively high;It is described Carbon source additive amount is determined according to monitoring data, so that carbon-nitrogen ratio control is 15:1 or more;The carbon source adds equipment automatically In carbon source be discarded sucrose solution.
The water quality care testing device and carbon source automatic feeding equipment are all made of solar panel and provide power supply.
The invention adopts the above technical scheme, which has the following advantages:1, (up flow type is latent for present invention reinforcing nitration section Artificial wetland) and intensified anti-nitrated section of (horizontal drowned flow artificial wet land) two-part structure, strengthen nitration section and is substantially carried out nitrification Effect and part denitrification, intensified anti-nitrated section is substantially carried out denitrification, effectively increases contaminant removal efficiency; 2, the present invention is provided with oxygen-enriched collecting-tank before vertical subsurface flow wetland, and the interlude monitoring well before horizontal subsurface flow wetland is closed inspection Well logging, not only increases the water inlet DO oxygen content of vertical subsurface flow wetland, also provides aerobic nitrification for nitrogen pollutant and detests The denitrifying condition of oxygen, effectively increases contaminant removal efficiency.3, present invention total system from oxygen-enriched collecting-tank utilizes weight Force flow, no second lift, low energy consumption;4, the interlude sealing testing well and end monitoring well that the present invention is arranged can monitor water simultaneously Qualitative change can enhance the denitrification of rear end, while avoiding excessive add for precisely addition carbon source provides data support on demand Add, causes secondary pollution.5, the data of monitor can be in the interlude sealing testing well that is arranged of the present invention and end monitoring well Accumulation optimizes artificial swamp operation, it is ensured that effluent quality reaches steadily in the long term convenient for establishing artificial swamp engineering operation database Mark.Therefore, the present invention can be widely applied to river regulation, domestic sewage in rural areas separated practices, Rural Plane Source Pollution administer, The fields such as water source pump-station.
Detailed description of the invention
Fig. 1 is the flow diagram of embodiment in the present invention;
Fig. 2 is monitoring well and monitoring device structural schematic diagram in the embodiment of the present invention;
Fig. 3 is to monitor control principle schematic diagram in the present invention in embodiment;
It is respectively marked in figure as follows:1, oxygen-enriched collecting-tank;2, up flow type drowned flow artificial wet land;3, interlude sealing testing well; 4, horizontal drowned flow artificial wet land;5, end monitoring well;6, diving nanometer aeration machine;7, water inlet;8, water outlet;9, wetland is intake Area;10, wetland variation area;11, wetland gathering ground;12, water plant layer;13, planting soil layer;14, packing layer;15, pond body; 16, closed cover;17, water quality monitoring equipment;18, carbon source adds equipment automatically;19, PLC control cabinet;20, it pops one's head in;21, channel radio Interrogate module;22, data collecting instrument.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of two-part strengthened denitrification intelligence artificial wet land system comprising according to water flow Oxygen-enriched collecting-tank 1 that direction is set gradually strengthens nitration section 2, interlude sealing testing well 3, intensified anti-nitrated section 4 and end prison Well logging 5, each building are sequentially connected by pipeline.Wherein, oxygen-enriched collecting-tank 1 is that nitrogen class is dirty for improving water inlet DO oxygen content It contaminates object and aerobic nitrification condition is provided;Strengthen nitration section 2 and is substantially carried out nitrification and part denitrification;The closed prison of interlude Well logging 3, is mainly used for real-time monitoring change of water quality, monitors situation according to water quality carbon source, precisely adds carbon source on demand;Strengthen anti-nitre Change section 4, be substantially carried out denitrification, while avoiding carrying out efficient organic matter removal, avoids consuming excessive carbon source, guarantee wet Ground system is able to maintain the denitrification effect of stability and high efficiency;End monitoring well 5, mainly monitors effluent quality, with interlude sealing testing The effect of 3 data collaborative of well, determines carbon source situation in wet land system, and real-time monitoring water quality other parameters (such as temperature, when operation Between, wait monitoring indexes that can expand according to actual needs), establish wetland operation data library.
Further, total system utilizes gravity stream, no second lift, low energy consumption (oxygen-enriched collecting-tank from oxygen-enriched collecting-tank Front-mounted lift pump).
Further, oxygen-enriched collecting-tank includes the aerator that bottom of pond is arranged in, and increases DO (dissolved oxygen) in water inlet by aeration Content, strengthening subsequent nitrification.Wherein, aerator 6 makes DO content increases to how many 2mg/ using diving nanometer aeration machine L or more, and bubble is fine and closely woven, oxygen transfer rate is high.
Further, the oxygen-enriched water outlet of collecting-tank 1, which enters, strengthens nitration section 2, using multipoint water feeding mode, is conducive to water distribution uniformity.
Further, strengthen nitration section 2 and use up flow type drowned flow artificial wet land, water inlet is located at pond body left lower, is discharged Mouth is located at pond body right upper portion.
Further, up flow type drowned flow artificial wet land 2 is followed successively by water plant layer 12, planting soil layer 13 from top to bottom and fills out The bed of material 14.
Further, mainly plantation durability against pollution is strong, emergent aquactic plant of well developed root system for water plant layer 12, such as reed and perfume (or spice) Pu etc..13 thickness of planting soil layer is about 0.2m, and 14 thickness of packing layer is about 0.8m.
Further, the packing layer of up flow type drowned flow artificial wet land 2 is set gradually according to water (flow) direction as inhalant region 9, processing Area 10 and gathering ground 11.Wherein, bulky grain filler is placed in inhalant region 9 and gathering ground 11, and porosity is not less than 0.3, commonly uses and fills out Material is cobble or gravel;Treatment region 10 places little particle filler, and porosity is 50% or so, and customary filler is lime stone, leech Stone, zeolite, blast furnace slag, volcanic rock, haydite etc..
Further, up flow type drowned flow artificial wet land 2, mainly rely on water plant, packing microbial film carry out organic matter and Nitrification mainly occurs for the removal of TP, nitrogen substance.
Further, level stream drowned flow artificial wet land, structure and the up flow type for strengthening nitration section are used for intensified anti-nitrated section 4 Drowned flow artificial wet land is similar, the difference is that:The inlet and outlet of level stream drowned flow artificial wet land are located at pond body Two sides, and water inlet is higher than water outlet;The treatment region porosity of packing layer is lower than up flow type current wetland, and porosity is 40% left It is right.
Further, hair nitrification and part organic contamination, phosphorus mainly occur wherein for level stream current wetland, water body Removal.
Further, as shown in Fig. 2, interlude sealing testing well 3, which mainly uses water water quality real-time monitoring and carbon source It adds, mainly adds equipment 18 and PLC control cabinet automatically including pond body 15, closed cover 16, water quality real-time watch device 17, carbon source 19。
Further, closed cover 16 is for guaranteeing that the water outlet from up flow type current wetland 2 is in anaerobic condition always.
Further, water quality real-time watch device 17 is used to monitor the indexs such as COD, NH3-N, TN of water quality in pond body 15, and Monitoring index is expansible according to actual needs.
Further, water quality real-time watch device 17 is fixed on 15 side wall of pond body by fixed bracket, mainly includes Probe 20, wireless communication module 21 and data collecting instrument 22.
Further, as shown in figure 3, passing through probe 20 for the data collecting instrument 22 inside electric signal transmission to equipment, data Monitoring data are transmitted to PLC control cabinet 19 and number of devices by wireless communication module 21 with the mode of digital signal by Acquisition Instrument 22 According to management platform.
Further, the transmission network of wireless communication module 21 is wireless transmission, mainly includes GPRS or Wifi.
Further, data collecting instrument 22, can be with the Real-time Monitoring Data of complete documentation monitoring device.
Further, PLC control cabinet and water quality real-time watch device, data collecting instrument link, and the built-in control of PLC control cabinet refers to It enables, when monitoring that water quality carbon-nitrogen ratio (indicating roughly with COD/NH3-N) is too low, carbon source adding equipment 18 can be automatically turned on Switch, carbon source concentration are fixed, carbon source needed for being calculated according to inflow, and the automatic carbon source that sets adds the cabinet opening time;And it can send out Alarm and reminding operation maintenance personnel pays close attention to wetland operating condition in time out.
Further, the main judgment basis of carbon-nitrogen ratio is:When end monitoring well ammonia-nitrogen content is lower, TN content is excessively high.
Further, carbon source additive amount is precisely determined according to monitoring data, and carbon-nitrogen ratio is preferably controlled 15:1 or more, different water Carbon-nitrogen ratio needed for matter is different, can specifically be determined according to actual monitoring test situation;The carbon source of addition can be discarded sucrose solution, Carbon source mainly passes through interlude sealing testing well (carbon source adds and real-time monitoring) addition.
Further, water quality real-time watch device, carbon source automatic feeding equipment are all made of solar panel and provide the energy, keep away Exempt from the not convenient of mains-supplied cable laying.
Further, end monitoring well 5, the monitoring well are mainly used for the content of real-time monitoring water outlet TN, ammonia nitrogen, while can supervise Survey the other indexs of water quality comprising pond body and water quality real-time watch device, the structure of water quality real-time watch device, function, installation Mode is identical as interlude monitoring well, and links with the water quality real-time watch device in interlude monitoring well, real-time monitoring water Matter dynamic and operating condition real-time monitoring record, can not only judge carbon-nitrogen ratio situation in water body, also can record wetland operational process In parameters, provide data supporting for wetland long-time efficient operation.
The present invention is a big innovation of Artificial Wetland Techniques intelligentized control method, so that artificial wet land treating system is discharged TN high This technical problem is readily solved;China has a vast territory, and different geographic area weather difference is huge, artificial swamp fortune abundant Row database can have important role and meaning in China's different zones successful application for this technology.
Finally it should be noted that:Above embodiments are merely illustrative of the technical solution of the present invention, rather than its limitations; Although the present invention is described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that:Still may be used To modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from the present invention The spirit of technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (10)

1. a kind of two-part strengthened denitrification intelligence artificial wet land system, it is characterised in that:It includes successively setting according to water (flow) direction The oxygen-enriched collecting-tank set strengthens nitration section, interlude sealing testing well, intensified anti-nitrated section and end monitoring well, and each building is logical Piping is sequentially connected in series;The nitration section of strengthening is to the pollutant progress nitrification and part denitrification work in water quality With;The change of water quality of reinforcing nitration section water outlet described in the interlude sealing testing well real-time monitoring, and supervised according to water quality carbon source Situation is surveyed, adds carbon source on demand;Intensified anti-nitrated section carries out denitrification to the pollutant in water quality;The end monitoring well Intensified anti-nitrated section of the effluent quality is monitored, and is acted on the sealing testing well data collaborative of interlude, is determined Carbon source situation in wet land system, and real-time monitoring water quality other parameters, establish wetland operation data library.
2. a kind of two-part strengthened denitrification intelligence artificial wet land system as described in claim 1, it is characterised in that:It is described oxygen-enriched Setting is for improving the aerator of water inlet DO oxygen content in collecting-tank.
3. a kind of two-part strengthened denitrification intelligence artificial wet land system as described in claim 1, it is characterised in that:The reinforcing Nitration section uses up flow type drowned flow artificial wet land, and water inlet is located at pond body left lower, and water outlet is located at pond body right upper portion;From Top to bottm sets gradually water plant layer, planting soil layer and packing layer;The water plant layer plantation durability against pollution is strong, root system is sent out The water plant reached;The planting soil layer is with a thickness of 0.2m, and described filler layer is with a thickness of 0.8m.
4. a kind of two-part strengthened denitrification intelligence artificial wet land system as claimed in claim 3, it is characterised in that:The filler Layer is set gradually according to water (flow) direction as inhalant region, treatment region and gathering ground;Bulky grain is placed in the inhalant region and gathering ground Filler, porosity are not less than 0.3;The treatment region places little particle filler, porosity 50%.
5. a kind of two-part strengthened denitrification intelligence artificial wet land system as described in claim 1, it is characterised in that:The reinforcing Denitrification section uses level stream drowned flow artificial wet land, and the inlet and outlet of the level stream drowned flow artificial wet land are located at Pond body two sides, and the water inlet is higher than the water outlet;The level stream drowned flow artificial wet land is followed successively by aquatic from top to bottom Layer of plants, planting soil layer and packing layer, 12 kinds of water plant layer plant that durability against pollutions are strong, water plant of well developed root system;Institute Planting soil layer is stated with a thickness of 0.2m, described filler layer is with a thickness of 0.8m;Described filler layer according to water (flow) direction set gradually for into Pool, treatment region and gathering ground;Bulky grain filler is placed in the inhalant region and gathering ground, and porosity is not less than 0.3;The place It manages area and places little particle filler, porosity 40%.
6. a kind of two-part strengthened denitrification intelligence artificial wet land system as described in claim 1, it is characterised in that:The centre Section sealing testing well includes that pond body, closed cover, water quality real-time watch device, carbon source add equipment and PLC control cabinet automatically;It is described Latter end monitoring well includes pond body and another water quality real-time watch device;The closed cover is used to guarantee from the reinforcing nitration section Water outlet is in anaerobic condition always;The two water quality real-time watch devices are used to monitor COD, NH of water quality in the pond body3-N、 TN index;The PLC control cabinet is used for the monitoring according to water quality real-time watch device in interlude monitoring well and end monitoring well Data, to the carbon source add automatically equipment carry out automatically controlling realize carbon source add;And it can be sounded an alarm according to monitoring data Operation maintenance personnel is reminded to pay close attention to wetland operating condition in time.
7. a kind of two-part strengthened denitrification intelligence artificial wet land system as claimed in claim 6, it is characterised in that:The water quality Real-time watch device is fixed on the pond body side wall by fixed bracket, including probe, wireless communication module and data Acquisition Instrument;The electric signal transmission of monitoring to the data collecting instrument, the data collecting instrument are passed through described wireless by the probe Monitoring data are transmitted to the PLC control cabinet and device data management platform with the mode of digital signal by communication module;Wherein, The transmission network of the wireless communication module is wireless transmission, including GPRS or Wifi.
8. a kind of two-part strengthened denitrification intelligence artificial wet land system as claimed in claim 6, it is characterised in that:The PLC Control instruction built in control cabinet opens the switch of the carbon source adding equipment when monitoring that water quality carbon-nitrogen ratio is too low, and according to Required carbon source additive amount and the carbon source adding equipment internal carbon source concentration calculation inflow, and described in being set automatically according to inflow Carbon source adds the opening time of equipment box automatically;Simultaneously according to monitoring data sound an alarm remind operation maintenance personnel pay close attention in time it is wet Ground operating condition.
9. a kind of two-part strengthened denitrification intelligence artificial wet land system as claimed in claim 8, it is characterised in that:The carbon nitrogen It is than judgment basis:When the ammonia-nitrogen content of the end monitoring well is lower, TN content is excessively high;
The carbon source additive amount is determined according to monitoring data, so that carbon-nitrogen ratio control is 15:1 or more;
It is discarded sucrose solution that the carbon source adds the carbon source in equipment automatically.
10. a kind of two-part strengthened denitrification intelligence artificial wet land system as claimed in claim 6, it is characterised in that:The water Matter care testing device, PLC control cabinet and carbon source automatic feeding equipment are all made of solar panel and provide power supply.
CN201810965675.8A 2018-08-23 2018-08-23 A kind of two-part strengthened denitrification intelligence artificial wet land system Pending CN108911142A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110127953A (en) * 2019-06-05 2019-08-16 北京市水科学技术研究院 A kind of artificial swamp short distance nitration/denitrification biological denitrogenation system and method

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