CN108147538A - A kind of high nitrogen low-carbon sewage pretreatment device - Google Patents

A kind of high nitrogen low-carbon sewage pretreatment device Download PDF

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Publication number
CN108147538A
CN108147538A CN201810039676.XA CN201810039676A CN108147538A CN 108147538 A CN108147538 A CN 108147538A CN 201810039676 A CN201810039676 A CN 201810039676A CN 108147538 A CN108147538 A CN 108147538A
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China
Prior art keywords
regulating tank
gasification zone
yang areas
water
wei yang
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Pending
Application number
CN201810039676.XA
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Chinese (zh)
Inventor
万玉山
韩惠
沈梦
温馨
李大伟
邹涛
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Changzhou University
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Changzhou University
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Priority to CN201810039676.XA priority Critical patent/CN108147538A/en
Publication of CN108147538A publication Critical patent/CN108147538A/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
    • C02F3/301Aerobic and anaerobic treatment in the same reactor
    • 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
    • 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
    • C02F2209/02Temperature
    • 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
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • 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
    • C02F2209/22O2
    • 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
    • C02F2209/40Liquid flow rate

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

A kind of high nitrogen low-carbon sewage pretreatment device, including high-order regulating tank, Wei Yangqu, gasification zone, depositing separation area and filtering area.High-order regulating tank is equipped with water inlet pipe, and high-order regulating tank is equipped with water temperature regulator control system, pH value regulator control system and high-order regulating tank blender.Wei Yang areas are provided with aeration plate, and the top of aeration plate is equipped with water distributor, the high-order regulating tank of water distributor connection, and aeration plate is connected with the blower system outside Wei Yang areas by pipeline.Anaerobism filler is filled in gasification zone, the middle part of gasification zone is equipped with gasification zone blender.Depositing separation area is arranged on the lower part of high nitrogen low-carbon sewage pretreatment device, first partition is equipped between depositing separation area and gasification zone, first partition is equipped with mesh-like flow mouth, and depositing separation area bottom is designed to pyramidal structure, pyramidal structure lower part is provided with mud discharging valve.Second partition is equipped between depositing separation area and filtering area, second partition is equipped with mesh-like flow mouth, filtrate is provided on second partition.

Description

A kind of high nitrogen low-carbon sewage pretreatment device
Technical field
The present invention relates to technical field of waste water processing, especially a kind of high nitrogen low-carbon sewage pretreatment device.
Background technology
In recent years, with the continuous improvement of China's comprehensive strength, the size of population it is continuous increase and cities and towns industrialize into The continuous quickening of journey, the amount of the nitrogenous effluent of discharge also continue to increase, and cause Water element concentration higher and higher, caused ring Border problem getting worse, has injured the health of the mankind.Meanwhile with the continuous improvement of China's sewage drainage standard, ammonia nitrogen is One of the binding indicator of emission reduction is distinctly claimed in China's water pollutant discharge standard through becoming, also results in highest attention. The reduction for further realizing ammonia nitrogen discharge capacity is China environmental protection urgent problem to be solved.
Traditional bio-denitrification technology is the bio-denitrification technology that core is act as with nitration denitrification, extensively at present Be applied to engineering practice in, but when with tradition nitration denitrification technical finesse such as sludge liquor, starch wastewater, rubbish ooze Filtrate, coking wastewater are when high nitrogen low-carbon waste water, there are many defects, including:(1) nitrification discrete consuming amount of oxygen is big, anti-nitre The change stage need to additionally add organic matter, and operating cost is relatively high;(2) structures volume is big, and volume efficiency is relatively low;(3) it is right When waste water of the influent ammonium concentration higher than 300mg/L is handled, nitration denitrification technical operation are unstable, water outlet is difficult up to standard. Therefore, how to overcome the shortcomings of in traditional biological denitrification process, seek a kind of efficient bio-denitrification technology and have become Numerous environmental workers are badly in need of the arduous subject solved.
Invention content
The technical problem to be solved by the present invention is to:In order to solve high nitrogen low-carbon waste water handling problem, it is low to provide a kind of high nitrogen Carbon sewage pretreatment device, with the aeration quantity less without additional carbon, needs, technological process is short, floor space is small, sludge Many advantages, such as sludge age is longer, and sludge yield is low, denitrification efficiency is high can be effectively treated high nitrogen low-carbon waste water.
The technical solution adopted by the present invention to solve the technical problems is:A kind of high nitrogen low-carbon sewage pretreatment device, packet Include high-order regulating tank, Wei Yangqu, gasification zone, depositing separation area and filtering area.
The high-order regulating tank is equipped with water inlet pipe, and high-order regulating tank is equipped with water temperature regulator control system, pH value regulation and control system System and high-order regulating tank blender.
The lower part in the Wei Yang areas is provided with aeration plate, and the top of the aeration plate is equipped with water distributor, the cloth The high-order regulating tank of water pipe connection, the aeration plate are connected with the blower system outside Wei Yang areas by pipeline.Described is micro- The top in oxygen area is equipped with upper cover, and the upper cover top in Wei Yang areas is equipped with Wei Yang areas gas collecting tube, Wei Yang areas gas collecting tube connection water inlet pipe.For The effect of wastewater treatment is more preferable, and the water distributor is arranged to concentric circles or cross shape, has level on water distributor Radiate water outlet.Further, the aeration plate is the pore type aeration plate for being evenly arranged with micropore;The middle and upper part in Wei Yang areas is set There are ORP systems, ORP systems and blower system unicom;Micro- oxygen filler is filled in Wei Yang areas, micro- oxygen filler uses polyethylene material Material is made, and micro- oxygen filler is porous spherical or porous polygonized structure;The top in Wei Yang areas is equipped with three phase separator, after aeration Waste water flows into gasification zone along three phase separator.The bottom in Wei Yang areas is equipped with mud discharging pipe.
Flow-stopping plate is equipped between Wei Yang areas and gasification zone;The top of the gasification zone is equipped with upper cover, the upper cover of gasification zone Top is equipped with gasification zone gas collecting tube.Anaerobism filler is filled in gasification zone, anaerobism filler is made of polythene material, and anaerobism is filled out Expect for porous spherical or porous polygonized structure;The middle part of gasification zone is equipped with gasification zone blender.
The depositing separation area is arranged on the lower part of high nitrogen low-carbon sewage pretreatment device, the depositing separation area and gasification First partition is equipped between area, first partition is equipped with mesh-like flow mouth;Depositing separation area bottom is designed to pyramidal structure, Pyramidal structure lower part is provided with mud discharging valve.The sludge of mud discharging valve discharge is emitted as excess sludge.
Second partition is equipped between the depositing separation area and filtering area, second partition is equipped with mesh-like flow mouth, the Filtrate is provided on two partition boards, filtrate is made of quartz sand or haydite, and filtrate is needed to change when filtering velocity is relatively low.Filtering area top is set There are outlet pipe, outlet pipe connection return of waste water metering system, the high-order regulating tank of return of waste water metering system connection;Outlet pipe is arranged The water part gone out flows back into high-order regulating tank, and a part is further processed into advanced treatment system.
The method for carrying out wastewater treatment using above-mentioned high nitrogen low-carbon sewage pretreatment device is as follows:
1. waste water enters high-order regulating tank by water inlet pipe, water temperature regulator control system and pH value regulator control system adjust waste water Water temperature and pH value.
The waste water after 2. high-order regulating tank is adjusted realizes the water distribution uniformity in Wei Yang areas by water distributor, Wei Yang areas The start-stop work of ORP systems control air blower, regulates and controls the oxygen content in waste water, the ammonia oxidation bacteria grown in micro- oxygen filler is useless Ammonia nitrogen in water is partially converted into nitrite nitrogen.Partial oxidation escapes the waste water water surface into oxygen area gas collecting tube in a subtle way, enters back into water Pipe reduces aeration quantity, saves energy consumption.
3. the waste water after micro- oxygen aeration flows into gasification zone along three phase separator, gasification zone blender is stirred waste water, The ANAMMOX bacterium grown in anaerobism filler utilize the ammonia nitrogen in waste water and nitrite nitrogen generation nitrate nitrogen and nitrogen.Nitrogen escapes The waste water water surface is collected by gasification zone gas collecting tube and is discharged.
4. the waste water after anaerobic reaction enters depositing separation area, it is heavy that the larger sludge of proportion is sunk under gravity The lower part of shallow lake Disengagement zone is discharged by the mud discharging valve of bottom.The sludge of mud discharging pipe discharge and precipitation point in Wei Yang areas The extra sludge of mud discharging valve discharge from area is emitted as excess sludge.
5. the waste water after precipitation separation enters filtering area, waste water is discharged after media filtration by outlet pipe, outlet pipe row The water part gone out flows back into high-order regulating tank by return of waste water metering system, and a part enters advanced treatment system into one Step processing.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structure diagram of high nitrogen low-carbon sewage pretreatment device of the embodiment of the present invention;
In Fig. 1:1. high-order regulating tank, 1-1. water inlet pipes, 2. Wei Yang areas, 2-1. aeration plates, 2-2. water distributors, 2-3. drums Blower fan system, 2-4. Wei Yang areas gas collecting tube, 2-5.ORP systems, the micro- oxygen fillers of 2-6., 2-7. three phase separators, 2-8. sludge row Pipe is put, 3. gasification zones, 3-1. flow-stopping plates, 3-2. gasification zones gas collecting tube, 3-3. anaerobism fillers, 3-4. gasification zones blender, 4. is heavy Shallow lake Disengagement zone, 4-1. first partitions, 4-2. mud discharging valves, 5. filtering areas, 5-1. second partitions, 5-2. filtrates, 5-3. water outlets Pipe, 5-4. return of waste water metering systems.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
Embodiment
A kind of high nitrogen low-carbon sewage pretreatment device of the present invention as shown in Figure 1, including high-order regulating tank 1, micro- oxygen Area 2, gasification zone 3, depositing separation area 4 and filtering area 5.
The high-order regulating tank 1 is equipped with water inlet pipe 1-1, and high-order regulating tank is equipped with water temperature regulator control system, pH value tune Control system and high-order regulating tank blender.
The lower part in the Wei Yang areas 2 is provided with aeration plate 2-1, and the top of the aeration plate is equipped with water distributor 2-2, institute The high-order regulating tank 1 of water distributor 2-2 connections stated, the aeration plate 2-1 are connected with the air blower outside Wei Yang areas by pipeline System 2-3.The top in the Wei Yang areas is equipped with upper cover, and the upper cover top in Wei Yang areas is equipped with Wei Yang areas gas collecting tube 2-4, Wei Yangqu Gas collecting tube 2-4 connection water inlet pipes 1-1.More preferable for the effect of wastewater treatment, the water distributor 2-2 is arranged to concentric circles Or cross shape, there is on water distributor horizontal radiation water outlet.Further, the aeration plate 2-1 is to be evenly arranged with micropore Pore type aeration plate;The middle and upper part in Wei Yang areas is equipped with ORP systems 2-5, ORP system 2-5 and blower system 2-3 unicom;It is micro- Micro- oxygen filler 2-6 is filled in oxygen area, micro- oxygen filler 2-6 is made of polythene material, micro- oxygen filler 2-6 for porous spherical or Porous polygonized structure;The top in Wei Yang areas is equipped with three phase separator 2-7, and the waste water after aeration is flowed into along three phase separator 2-7 Gasification zone 3.The bottom in Wei Yang areas is equipped with mud discharging pipe 2-8.
Flow-stopping plate 3-1 is equipped between Wei Yang areas 2 and gasification zone 3;The top of the gasification zone is equipped with upper cover, gasification zone Upper cover top is equipped with gasification zone gas collecting tube 3-2.Anaerobism filler 3-3 is filled in gasification zone, anaerobism filler 3-3 uses polyethylene material Material is made, and anaerobism filler 3-3 is porous spherical or porous polygonized structure;The middle part of gasification zone is equipped with gasification zone blender 3-4.
The depositing separation area 4 is arranged on the lower part of high nitrogen low-carbon sewage pretreatment device, and the depositing separation area 4 is gentle First partition 4-1 is equipped between change area 3, first partition 4-1 is equipped with mesh-like flow mouth;Depositing separation area bottom is designed to bore Shape structure is provided with mud discharging valve 4-2 in pyramidal structure lower part.The sludge of mud discharging valve 4-2 discharges is as excess sludge It emits.
Second partition 5-1 is equipped between the depositing separation area 4 and filtering area 5, second partition 5-1 is equipped with mesh-like water Head piece is provided with filtrate 5-2 on second partition, and filtrate 5-2 is made of quartz sand or haydite, and filter is needed to change when filtering velocity is relatively low Material.Filtering area top is equipped with outlet pipe 5-3, outlet pipe 5-3 connection return of waste water metering system 5-4, return of waste water metering system The high-order regulating tank 1 of 5-4 connections;A water part for outlet pipe discharge flows back into high-order regulating tank 1, and a part enters depth Reason system is further processed.
The method for carrying out wastewater treatment using above-mentioned high nitrogen low-carbon sewage pretreatment device is as follows:
1. waste water enters high-order regulating tank 1 by water inlet pipe 1-1, water temperature regulator control system adjust the water temperature of waste water 30~ In the range of 35 DEG C, pH value regulator control system adjusts the pH value of waste water in the range of 7~8.5.
The waste water after 2. high-order regulating tank 1 is adjusted realizes water distribution uniformity, micro- oxygen in Wei Yang areas 2 by water distributor 2-2 The start-stop work of the ORP systems 2-5 control air blowers in area, regulates and controls the oxygen content in waste water in the range of 0.5~1.0mg/L, Ammonia nitrogen in waste water is partially converted into nitrite nitrogen by the ammonia oxidation bacteria grown in micro- oxygen filler 2-6, makes the nitrous state in waste water Nitrogen:Ammonia nitrogen is 1.0~1.5:1.Partial oxidation escapes the waste water water surface into oxygen area gas collecting tube 2-4 in a subtle way, enters back into water inlet pipe 1-1, Aeration quantity is reduced, saves energy consumption.
3. waste water after micro- oxygen aeration flows into gasification zone 3 along three phase separator 2-7, gasification zone blender 3-4 to waste water into Row stirs, and the ANAMMOX bacterium grown in anaerobism filler 3-3 utilize the ammonia nitrogen in waste water and nitrite nitrogen generation nitrate nitrogen and nitrogen Gas.Nitrogen escapes the waste water water surface and collects discharge by gasification zone gas collecting tube 3-2.
4. the waste water after anaerobic reaction enters depositing separation area 4, the larger sludge of proportion is sunk under gravity The lower part of depositing separation area is discharged by the mud discharging valve 4-2 of bottom.The sludge of the mud discharging pipe 2-8 discharges in Wei Yang areas It is emitted with the mud discharging valve 4-2 of the depositing separation area extra sludge discharged as excess sludge.
5. the waste water after precipitation separation enters filtering area 5, waste water is discharged by outlet pipe 5-3 after being filtered by filtrate 5-2, gone out A water part for water pipe 5-3 discharges flows back into high-order regulating tank 1, outlet pipe 5-3 discharges by return of waste water metering system 5-4 A water part be further processed into advanced treatment system.
Using above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the content on specification, it is necessary to determine its technical scope according to right.

Claims (1)

1. a kind of high nitrogen low-carbon sewage pretreatment device, it is characterised in that:Including high-order regulating tank (1), Wei Yang areas (2), gas Change area (3), depositing separation area (4) and filtering area (5);
The high-order regulating tank (1) is equipped with water temperature regulator control system, pH value tune equipped with water inlet pipe (1-1), high-order regulating tank Control system and high-order regulating tank blender;
The lower part in the Wei Yang areas (2) is provided with aeration plate (2-1), and the top of the aeration plate is equipped with water distributor (2-2), The high-order regulating tank (1) of water distributor (2-2) connection, the aeration plate (2-1) are connected with by pipeline outside Wei Yang areas Blower system (2-3);The top in the Wei Yang areas is equipped with upper cover, and the upper cover top in Wei Yang areas is equipped with Wei Yang areas gas collecting tube (2-4), Wei Yang areas gas collecting tube (2-4) connection water inlet pipe (1-1);Water distributor (2- more preferable for the effect of wastewater treatment, described 2) it is arranged to concentric circles or cross shape, there is horizontal radiation water outlet on water distributor;Further, the aeration plate (2-1) is the pore type aeration plate for being evenly arranged with micropore;The middle and upper part in Wei Yang areas is equipped with ORP systems (2-5), ORP systems (2- 5) with blower system (2-3) unicom;Micro- oxygen filler (2-6) is filled in Wei Yang areas, micro- oxygen filler (2-6) is using polyethylene material Material is made, and micro- oxygen filler (2-6) is porous spherical or porous polygonized structure;The top in Wei Yang areas is equipped with three phase separator (2- 7), the waste water after aeration flows into gasification zone (3) along three phase separator (2-7);The bottom in Wei Yang areas is equipped with mud discharging pipe (2- 8);
Flow-stopping plate (3-1) is equipped between Wei Yang areas (2) and gasification zone (3);The top of the gasification zone is equipped with upper cover, gasification zone Upper cover top be equipped with gasification zone gas collecting tube (3-2);Anaerobism filler (3-3) is filled in gasification zone, anaerobism filler (3-3) uses Polythene material is made, and anaerobism filler (3-3) is porous spherical or porous polygonized structure;The middle and lower part of gasification zone is equipped with gasification Area's blender (3-4);
The depositing separation area (4) is arranged on the lower part of high nitrogen low-carbon sewage pretreatment device, and the depositing separation area (4) is gentle First partition (4-1) is equipped between change area (3), first partition (4-1) is equipped with mesh-like flow mouth;Depositing separation area bottom is set Tapered structure is counted, mud discharging valve (4-2) is provided in pyramidal structure lower part;The sludge of mud discharging valve (4-2) discharge is made It is emitted for excess sludge;
Second partition (5-1) is equipped between the depositing separation area (4) and filtering area (5), second partition (5-1) is equipped with sieve Shape flow mouth is provided with filtrate (5-2) on second partition, and filtrate (5-2) is made of quartz sand or haydite;Filtering area top is equipped with Outlet pipe (5-3), outlet pipe (5-3) connection return of waste water metering system (5-4), return of waste water metering system (5-4) connection are high Position regulating tank (1);A water part for outlet pipe discharge flows back into high-order regulating tank (1), and a part enters advanced treating system System is further processed.
CN201810039676.XA 2018-01-16 2018-01-16 A kind of high nitrogen low-carbon sewage pretreatment device Pending CN108147538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810039676.XA CN108147538A (en) 2018-01-16 2018-01-16 A kind of high nitrogen low-carbon sewage pretreatment device

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Application Number Priority Date Filing Date Title
CN201810039676.XA CN108147538A (en) 2018-01-16 2018-01-16 A kind of high nitrogen low-carbon sewage pretreatment device

Publications (1)

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CN108147538A true CN108147538A (en) 2018-06-12

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102757158A (en) * 2012-08-07 2012-10-31 常州大学 Residence community domestic sewage treating system and method
CN103204605A (en) * 2013-05-22 2013-07-17 徐州工程学院 Method for treating garlic processing waste water

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102757158A (en) * 2012-08-07 2012-10-31 常州大学 Residence community domestic sewage treating system and method
CN103204605A (en) * 2013-05-22 2013-07-17 徐州工程学院 Method for treating garlic processing waste water

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