CN108483826A - A kind of Fishery Manufacturing Wastewater Treatment Process and processing unit - Google Patents
A kind of Fishery Manufacturing Wastewater Treatment Process and processing unit Download PDFInfo
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- CN108483826A CN108483826A CN201810605617.4A CN201810605617A CN108483826A CN 108483826 A CN108483826 A CN 108483826A CN 201810605617 A CN201810605617 A CN 201810605617A CN 108483826 A CN108483826 A CN 108483826A
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- 238000000034 method Methods 0.000 title claims abstract description 80
- 230000008569 process Effects 0.000 title claims abstract description 61
- 238000012545 processing Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000004065 wastewater treatment Methods 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 65
- 239000002351 wastewater Substances 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 3
- 231100000719 pollutant Toxicity 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 93
- 229910001868 water Inorganic materials 0.000 claims description 93
- 239000012528 membrane Substances 0.000 claims description 31
- 239000010802 sludge Substances 0.000 claims description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 28
- 229910052698 phosphorus Inorganic materials 0.000 claims description 28
- 239000011574 phosphorus Substances 0.000 claims description 28
- 238000005273 aeration Methods 0.000 claims description 27
- 239000003814 drug Substances 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 239000002910 solid waste Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
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- 238000001514 detection method Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 238000005189 flocculation Methods 0.000 claims description 2
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- 239000000047 product Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 12
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
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- 241001465754 Metazoa Species 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- 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
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/302—Nitrification and denitrification treatment
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- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to environmental project field of sewage treatment, the more particularly to processing of wastewater from aquatic product process.A kind for the treatment of process of wastewater from aquatic product process, AnMBR reactions, two level dephosphorization and CWSBR reactions are carried out after pretreatment, treatment process technology path is simple, the method can not only effectively remove the pollutant in processing waste water, realize the target for capableing of qualified discharge after wastewater from aquatic product process is handled, and it is easy to operate, be easily managed, for wastewater from aquatic product process processing provide it is a kind of it is reliable, efficiently, the technological approaches stablized.
Description
Technical field
The present invention relates to environmental project field of sewage treatment, the more particularly to processing of wastewater from aquatic product process.
Background technology
With the development of economy with the continuous improvement of living standards of the people, the flesh of fish is because it is with extremely abundant nutriture value
Value, while being again high protein, the animal food of low fat, it is very popular with consumers.Wastewater from aquatic product process occurs mainly with water
The defrosting sewage in cleaning sullage and last handling process in production processing pretreatment process.This waste water has organic matter and suspension
Object content is high, and the larger molecular organics matters such as protein, grease are more；Ammonia nitrogen and phosphorus concentration are high, and water outlet nitrogen phosphorus is up to standard relatively difficult；Water
Temperature is low, and biodegradation rate is slow；Discharge of wastewater seasonality is stronger, and water quality and quantity fluctuation is big；Sludge quantity is big, sludge at colloidal,
The features such as hardly possible dehydration.
Since wastewater from aquatic product process discharge capacity is unbalanced, variation water quality is larger, it is necessary to reinforce pretreatment measure, improve waste water
Biodegradability ensures the effect of subsequent biological treatment, can be only achieved stable treatment effect.Common pretreatment process be grid and
Lift pump room, flotation tank, hydrolysis acidification pool etc..
Since wastewater from aquatic product process treatment facility is mostly the Sewage Disposal in enterprise, so floor space is answered in technological design
It is as small as possible, and should have the function of good denitrogenation dephosphorizing.The biological work of current widely used denitrogenation dephosphorizing function
Skill has：A-A-O, SBR technique, CASS etc., their advantage and disadvantage are as follows：
A-A-O methods
Advantage：Capital cost is low, has the function of preferable denitrogenation dephosphorizing；Sludge settling property can be improved, reduce mud discharging
Amount；With the removal effect improved to refractory organic, running effect is stablized；Technologically advanced maturation, operation is safe can
It leans on；Management service is simple, and operating cost is low；Domestic project example is more, technical maturity.
Disadvantage：It is more to handle structures；Interior return-flow system need to be increased, increase operating cost.
Method
Advantage：The anaerobism of its denitrogenation dephosphorizing, anoxic and it is aerobic do not divided by space, with time control；In not needing
Returned sludge and backflow mixed liquor, do not set special secondary settling tank, and structures are few；Floor space is few.
Disadvantage：Volume and utilization rate of equipment and installations are relatively low（Generally less than 50 percent）；Operate, manage, safeguard it is more complex；From
Control degree is higher, more demanding to quality of workers；Domestic project example is few；Denitrogenation dephosphorizing function is general.
Method
1, ideal plug-flow process makes biochemical reaction motive force increase, and efficiency improves, anaerobism in pond, it is aerobic be in alternating state,
Good purification.
2, operational effect is stablized, and sewage precipitates under ideal stationary state, needs the time short, efficient, effluent quality
It is good.
3, anti impulsion load has the processing water of delay in pond, has dilution, cushioning effect to sewage, be effective against water and
The impact of organic dirt.
4, each process in technical process can be adjusted according to water quality, water, flexible operation.
5, processing equipment is few, simple structure, easy to operation and maintenance management.
6, there are DO, BOD in reaction tank5Concentration gradient effectively controls activated sludge bulking.
7, CASS methods system itself is also suitable for combined type structure method, is conducive to the enlarging and transformation of waste water treatment plant.
8, denitrogenation dephosphorizing, the suitable control method of operation realize aerobic, anoxic, anaerobic state alternating, have good denitrogenation
Phosphor-removing effect.
9, technological process is simple, low cost.Only there are one batch-type batch reactor, no secondary settling tank, sludge for main equipment
Return-flow system, regulating reservoir, primary sedimentation tank can also omit, characteristics of compact layout, small accommodation area.
Disadvantage：Capacity utilization is low, water outlet is discontinuous, operation control is complicated.
The wastewater from aquatic product process treatment technology that the present invention relies on mainly has following two:
1. anaerobic membrane biological reaction technology
Anaerobic membrane bioreactor（AnMBR）The advantages of combining membrane bioreactor and Anaerobic Microbiological Treatment Technology has dirt
Mud concentration is high, mud production rate is low, anti impulsion load ability is strong, sludge age is long, recoverable biogas energy, floor space are small, technique
The features such as equipment is concentrated, since the crown_interception that efficiently separates of membrane module makes biomass not to be lost in from reactor, realizes
Sludge retention time（SRT）With being kept completely separate for hydraulic detention time (HRT).In processing high-concentration waste water, low energy consumption operation side
Face has the irreplaceable advantage of aerobic membrane bioreactor, has become one of the research emphasis of external each research unit.
2. constant water level sequencing batch reactor
Constant water level sequencing batch reactor (CWSBR) technique adjusts three regions of reaction tank by the reciprocating motion of flexible hydraulic sail
Volume, keep pond in liquid level it is constant, carry out straining water using permanent water-level decanter, during whole service, biochemical pool inner water
Position remains unchanged.CWSBR techniques are similar with classics SBR methods, and reaction is also classified into water mixing, aeration mixing, precipitates and strain water four
In a stage, not only remained that conventional SBR technical matters is simple, can inhibit the technological merits such as sludge bulking, high treating effect, but also gram
It taken conventional SBR technique intermittent water inflow, intermittent drainage, become the shortcomings that water level, permanent water level, company in entire sewage disposal process
Reforwarding row.
Since wastewater from aquatic product process discharge capacity is unbalanced, variation water quality is larger, and useless Organic substance in water and nitrogen, phosphorus concentration are all very
Height, although the above processing method all have respective advantage, cannot stablize, effectively remove wastewater from aquatic product process in have
Machine object, and the total phosphorus concentration in wastewater from aquatic product process is difficult to reach the mesh effectively removed by the biological phosphate-eliminating of common process
Mark, i.e.,《Integrated wastewater discharge standard》（GB8978-2002）Emission request.
Invention content
Present invention aim to address be difficult to reach stable processing aquatic products processing by a kind of biochemical processing process at present
Waste water effect provides a kind of Fishery Manufacturing Wastewater Treatment Process, has at AnMBR treatment technologies, chemical dephosphorization technology and CWSBR
The advantages of science and engineering skill, and effectively overcome respective disadvantage, sewage disposal is efficient, stablizes, and can be reached after wastewater from aquatic product process processing
Mark discharge.In addition the present invention must be for wastewater from aquatic product process processing unit, and floor space is small, easy to operate, low energy consumption operation.
Used technical solution is the present invention in order to solve the above problem：A kind for the treatment of process of wastewater from aquatic product process, packet
Include following steps：
（One）Pretreatment：Solid waste in removal wastewater from aquatic product process is intercepted with grid；
（Two）AnMBR system anaerobic reactions：It will be through step（One）The pretreated boosted pump of wastewater from aquatic product process is promoted to
In AnMBR system anaerobic reaction systems, control system influent COD volumetric loading 3.4-3.8kg/（m3•d）, HRT stablize exist
1.5-2d, regular a small amount of spoil disposal；Maintain system temperature between 25 DEG C~35 DEG C, setting up-flow area and the areas Jiang Liu, are adjusted in system
Flow-shape in whole system, promotion pollutant and microorganism come into full contact with；The biogas generated using anaerobic bio-treated is passed through
Aeration pump carries out cyclic aeration to diaphragm, promotes being thoroughly mixed for muddy water, and mitigate fouling membrane using the shear action of gas；
（Three）Two level dephosphorization：Through step（Two）Treated waste water, negative-pressure ward enter chemical phosphorus removal system, Dephosphorization reagent storage
In medicament storage tank, the pipe laying mixer in the water outlet pipeline of membrane module, medicament is mixed by pipeline in the duct with waste water
After clutch is fully reacted, into level-one dephosphorization system；After level-one dephosphorization processing, sewage enters two level dephosphorization system, and two level is removed
The medicament of phosphorus is added directly by medicament storage tank in system by dosing pump, stirs dephosphorization；Level-one dephosphorization and two level dephosphorization difference
Dosing is controlled according to on-line measurement total phosphorus value and measures pump discharge, adjusts Dephosphorization reagent dosage；Waste water is logical in two level dephosphorization system
Interior flocculation sediment is crossed, sludge is excluded, removes total phosphorus；
（Four）CWSBR reacts：Through step（Three）Treated, and waste water enters the control zone of CWSBR reaction systems, passes through control zone
Enter reaction zone, reaction zone oxygen supply with reaction zone bottom water pipe, dissolved oxygen instrument controls the start and stop of equipment in reaction zone, and control zone is dirty
Water by the period be pumped into reaction zone, reaction zone periodically completion SBR techniques water-filling, stirring, aeration, i.e., anoxic, anaerobism,
Aerobic, the arbitrary combination of three basic control function blocks, reaction zone system control parameter is：Sludge concentration：2000-4000mg/
L, sludge loading：0.02-0.05 kgBOD5/ (kgMLSS.d), dissolved oxygen（DO）Value：0-3.0mg/L is precipitated after the completion of reaction,
Then sewage is strained to equilibrium area after permanent water-level decanter is by processing, and sewage is flowed out through downflow weir in equilibrium area, is completed at all
Reason process.
It is described（Two）In AnMBR system anaerobic reactions, by temperature in temperature-sensing probe detection system, by warming control system
The mode of control heat exchanger maintains system temperature.
It is described（Two）In periodically a small amount of spoil disposal refer to that the muddy water that sludge volume is discharge AnMBR systems dischargeable capacity 2% daily is mixed
Close liquid.
It is described（Four）In CWSBR reactions, three control zone, reaction zone and equilibrium area regions are divided into flexible water sail,
The displacement of water sail is controlled using guided wave radar.The processing unit of wastewater from aquatic product process of the present invention is removed by AnMBR processors, two level
Phosphorus processor and CWSBR processors are sequentially communicated composition, and AnMBR processors front end is connected to water inlet pipe and is connected to wastewater from aquatic product process,
Shelltube heat exchanger is installed, one piece of partition board of setting is to form up-flow area and the areas Jiang Liu, drop stream in AnMBR processors on water inlet pipe
Area is connected to water inlet pipe, and the areas Jiang Liu are communicated with up-flow area bottom, and up-flow area bottom is provided with aeration plate, and film is provided with above aeration plate
Component, membrane module top are equipped with gas gathering mask, are connected to gas collecting apparatus through collecting pipe, pressure gauge, pressure are carried on gas collecting apparatus
Table signal input control system provides aeration pump activation signal by control system, temp-sensing device, temp-sensing device is equipped in system
Signal inputs warming control system, and warming control system controls heat exchanger, and membrane module water outlet constant flow pump connection membrane module is born
Water is extruded, membrane module outlet pipe is connected to two level dephosphorization processor, pipe laying mixer in the water outlet pipeline of membrane module；
Two level dephosphorization processor level-one medicament storage tank Chinese medicine is connected to pipe-line mixer, into level-one dephosphorization apparatus；Through level-one
After dephosphorization apparatus processing, sewage enters two level dephosphorization apparatus, installs blender in two level dephosphorization apparatus, two level dosing pump is by two level
Medicament storage tank is connected to two level dephosphorization apparatus；The online total phosphorus measuring instrumentss of level-one are respectively set in two level dephosphorization processor and two level exists
Line total phosphorus measuring instrumentss, on-line measurement total phosphorus value signal input controller, controller output control signal control dosing pump discharge；
Two level dephosphorization system bottom belt excludes device of sludge, and top outlet pipe is connected to CWSBR reactors, CWSBR is equipped on outlet pipe
Reactor intake pump；
CWSBR reactors are divided into three control zone, reaction zone and equilibrium area regions successively using flexible water sail, and install control
The guided wave radar of the displacement of water sail；Three control zone, reaction zone and equilibrium area sections bottoms are connected to by water pipe, peace in reaction zone
Equipped with aeration plate, aeration plate is connected to air blower, and the linear water decanter of permanent water level, dissolved oxygen instrument and stirring are also equipped in reaction zone
Device, dissolved oxygen instrument control the start and stop of air blower and blender in reaction zone；Reaction zone clear water by the linear water decanter of permanent water level into
Enter equilibrium area, equilibrium area top is equipped with downflow weir.
Present invention process has the characteristics that as follows compared with conventional Fishery Manufacturing Wastewater Treatment Process：
1, except the solid waste beyond the region of objective existence intercepted using grid in sewage, without being further added by hydrolysis acidification etc., other pre-process facilities.
2, AnMBR systems realize sludge retention time（SRT）With being kept completely separate for hydraulic detention time (HRT), system
There is good organic matter removal effect and long-term running stability.
3, AnMBR systems are high with sludge concentration, mud production rate is low, anti impulsion load ability is strong, sludge age is long, recoverable
The features such as biogas energy, floor space are small, process equipment is concentrated.
3, accurately controlling dephosphorization system more preferably can accurately control the dosage of dephosphorization agent online, realize effective dephosphorization
Reduce secondary pollution simultaneously.
4, CWSBR techniques had both remained conventional SBR technical matters is simple, can inhibit sludge bulking, high treating effect etc.
Technological merit, and overcome conventional SBR technique intermittent water inflow, intermittent drainage, become the shortcomings that water level, in entire sewage disposal
Permanent water level, continuous operation in journey.And CWSBR techniques can be very in simple realization a cycle multiple A2O, have more preferably
Denitrification effect.
5, the Application of composite of whole system can effectively remove organic matter and nitrogen, phosphorus in wastewater from aquatic product process, and
And do not influence microorganism character in system.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of wastewater from aquatic product process processing unit.
In figure：T1：AnMBR reactors；T2：Gas collecting apparatus；T3：Level-one dephosphorization apparatus；T4：Two level dephosphorization apparatus；T5：Medicine
Agent storage tank；T6：CWSBR reactors；LE1：Temperature-sensitive instrument；LE2：Pressure gauge；LE3、LE6：Total phosphorus on-line computing model；LE4：Dissolved oxygen
Instrument；LE5：Guided wave radar；P1：AnMBR reactor intake pumps；P2：Membrane module is discharged constant flow pump；P3：Aeration pump；P4：AnMBR is anti-
Answer device sludge pump；P5：Level-one dosing pump；P6：Two level dosing pump；P7、P8：Dasher；P9：CWSBR reactor intake pumps；
P10：CWSBR reaction zone intake pumps；P11：CWSBR reaction zone water outlet pumps；P12：CWSBR reaction zone sludge pumps；P13：Air blower；
P14：Pushing flow mixer；E1：Tube heat exchanger；E2：Membrane module；E3：Gas gathering mask；E4：Aeration plate；E5：Pipe-line mixer；E6：
Water sail；E7：Permanent water-level decanter.
Specific implementation mode
Invention is further illustrated below in conjunction with the accompanying drawings：
The processing unit of wastewater from aquatic product process as shown in Figure 1, by AnMBR processors, two level dephosphorization processor and CWSBR processing
Device is sequentially communicated composition, and AnMBR processors front end is connected to water inlet pipe and is connected to wastewater from aquatic product process, and pipeline is equipped on water inlet pipe
Heat exchanger, AnMBR processors one piece of partition board of interior setting is to form up-flow area and the areas Jiang Liu, and the areas Jiang Liu are connected to water inlet pipe, and drop flows
Area is communicated with up-flow area bottom, and up-flow area bottom is provided with aeration plate, and membrane module is provided with above aeration plate, is pacified above membrane module
Equipped with gas gathering mask, it is connected to gas collecting apparatus through collecting pipe, pressure gauge, pressure gauge signal input control system are carried on gas collecting apparatus
System provides aeration pump activation signal by control system, temp-sensing device is equipped in system, and temp-sensing device signal inputs warming control
System, warming control system control heat exchanger, and membrane module is discharged constant flow pump connection membrane module and carries out negative pressure water outlet, membrane module water outlet
Pipe is connected to two level dephosphorization processor, pipe laying mixer in the water outlet pipeline of membrane module；
Two level dephosphorization processor level-one medicament storage tank Chinese medicine is connected to pipe-line mixer, into level-one dephosphorization apparatus；Through level-one
After dephosphorization apparatus processing, sewage enters two level dephosphorization apparatus, installs blender in two level dephosphorization apparatus, two level dosing pump is by two level
Medicament storage tank is connected to two level dephosphorization apparatus；The online total phosphorus measuring instrumentss of level-one are respectively set in two level dephosphorization processor and two level exists
Line total phosphorus measuring instrumentss, on-line measurement total phosphorus value signal input controller, controller output control signal control dosing pump discharge；
Two level dephosphorization system bottom belt excludes device of sludge, and top outlet pipe is connected to CWSBR reactors, CWSBR is equipped on outlet pipe
Reactor intake pump；
CWSBR reactors are divided into three control zone, reaction zone and equilibrium area regions successively using flexible water sail, and install control
The guided wave radar of the displacement of water sail；Three control zone, reaction zone and equilibrium area sections bottoms are connected to by water pipe, peace in reaction zone
Equipped with aeration plate, aeration plate is connected to air blower, and the linear water decanter of permanent water level, dissolved oxygen instrument and stirring are also equipped in reaction zone
Device, dissolved oxygen instrument control the start and stop of air blower and blender in reaction zone；Reaction zone clear water by the linear water decanter of permanent water level into
Enter equilibrium area, equilibrium area top is equipped with downflow weir.
When carrying out aquatic products wastewater treatment, handled by following processes：
（One）Pretreatment：Solid waste in removal wastewater from aquatic product process is intercepted with grid；
（Two）AnMBR reacts：It is anti-that the pretreated wastewater from aquatic product process of grid through AnMBR reactor intake pumps P1 enters AnMBR
It answers in device T1, flow flows through tube heat exchanger E1 and exchanges heat, and tube heat exchanger E1 is controlled by temperature-sensitive instrument LE1, in turn
Maintain the system temperature of AnMBR reactors between 25 DEG C~35 DEG C.Wastewater from aquatic product process is detested in AnMBR reactors T1
Oxygen reacts, and the biogas generated in reaction process is collected through gas gathering mask E3, is entered in gas collecting apparatus T2 through collecting pipe and is stored,
When gas collecting apparatus T2 reaches the certain pressure upper limit, pressure gauge LE2 provides aeration pump P3 enabling signals by control system, in turn
Cyclic aeration is carried out to the diaphragm of AnMBR reactor T1 inner membrane members E2, the muddy water mixing in promotion system, and utilize gas
Shear action mitigates fouling membrane；
（Three）Two level dephosphorization：Level-one dephosphorization is pumped by membrane module P2 water outlet constant currents through AnMBR reactors T1 treated waste water
Device T3, is arranged level-one total phosphorus on-line computing model LE3 on the pipeline before entering level-one dephosphorization apparatus T3, and measurement is removed into level-one
The total phosphorus concentration of phosphorus device T3 is exported by the signal of control system, the dosage of control level-one dosing pump P5, level-one dosing pump
The added medicaments of P5 and wastewater from aquatic product process are precipitated after pipe-line mixer E5 is sufficiently mixed into level-one dephosphorization apparatus T3
Dephosphorization, produced precipitating sludge are periodically discharged through bottom funnel；
Sewage flows into two level dephosphorization apparatus T4 through overflow after the T3 processing of level-one dephosphorization apparatus, is set in level-one dephosphorization apparatus T3 overflow ports
Two level total phosphorus on-line computing model LE6 is set, the total phosphorus concentration into two level dephosphorization apparatus T4 is measured, it is defeated by the signal of control system
Go out, the dosage of control two level dosing pump P6, the added medicaments of two level dosing pump P6 and wastewater from aquatic product process are filled in two level dephosphorization
It sets in T4, is mixed, flocculated by mixing slowly for dasher P7, then precipitated, produced precipitating sludge is through bottom
Funnel is periodically discharged.
（Four）CWSBR reacts：By two level dephosphorization treated waste water CWSBR is pumped into through the P9 water inlets of CWSBR reactors
Then the control zone of reaction system device starts CWSBR reaction zone intake pump P10, waste water is pumped into the reaction of CWSBR reactors
Area, while starting pushing flow mixer P14, so that activated sludge in sewage and CWSBR reaction systems is come into full contact with, CWSBR reaction zones
After the completion of water inlet, stop CWSBR reaction zone intake pump P10, into the aerobic operation phase, this stage running air blower P13 and pushes away
Stream blender P14 is controlled by dissolved oxygen instrument LE4, starts air blower P13 when CWSBR reaction zone dissolved oxygens reach lower limit,
Aeration oxygen supply is carried out to system, when CWSBR reaction zone dissolved oxygens reach the upper limit, stops air blower P13, starts pushing flow mixer
P14.After the completion of the aerobic operation phase, stops air blower P13 oxygen supplys, be activated individually, run pushing flow mixer P14, consume system
Interior residue dissolved oxygen, and complete denitrification denitrogenation function.It after completing this function, is precipitated, after the completion of precipitation, starts permanent water level
Water decanter E7 strains CWSBR reaction zone supernatants to CWSBR equilibrium areas, and the sewage in system after processing is flowed out through downflow weir,
Complete whole processing procedures.In CWSBR reaction system operational process, guided wave radar LE5 continuously monitors the position of water sail E6 always
It moves, linkage controls CWSBR reactor intake pump P9, ensures system operation safety.
Claims (5)
1. a kind for the treatment of process of wastewater from aquatic product process, which is characterized in that include the following steps：
（One）Pretreatment：Solid waste in removal wastewater from aquatic product process is intercepted with grid；
（Two）AnMBR system anaerobic reactions：It will be through step（One）The pretreated boosted pump of wastewater from aquatic product process is promoted to
In AnMBR system anaerobic reaction systems, control system influent COD volumetric loading 3.4-3.8kg/（m3•d）, HRT stablize exist
1.5-2d, regular a small amount of spoil disposal；Maintain system temperature between 25 DEG C~35 DEG C, setting up-flow area and the areas Jiang Liu, are adjusted in system
Flow-shape in whole system, promotion pollutant and microorganism come into full contact with；The biogas generated using anaerobic bio-treated is passed through
Aeration pump carries out cyclic aeration to diaphragm, promotes being thoroughly mixed for muddy water, and mitigate fouling membrane using the shear action of gas；
（Three）Two level dephosphorization：Through step（Two）Treated waste water, negative-pressure ward enter chemical phosphorus removal system, Dephosphorization reagent storage
In medicament storage tank, the pipe laying mixer in the water outlet pipeline of membrane module, medicament is mixed by pipeline in the duct with waste water
After clutch is fully reacted, into level-one dephosphorization system；After level-one dephosphorization processing, sewage enters two level dephosphorization system, and two level is removed
The medicament of phosphorus is added directly by medicament storage tank in system by dosing pump, stirs dephosphorization；Level-one dephosphorization and two level dephosphorization difference
Dosing is controlled according to on-line measurement total phosphorus value and measures pump discharge, adjusts Dephosphorization reagent dosage；Waste water is logical in two level dephosphorization system
Interior flocculation sediment is crossed, sludge is excluded, removes total phosphorus；
（Four）CWSBR reacts：Through step（Three）Treated, and waste water enters the control zone of CWSBR reaction systems, passes through control zone
Enter reaction zone, reaction zone oxygen supply with reaction zone bottom water pipe, dissolved oxygen instrument controls the start and stop of equipment in reaction zone, and control zone is dirty
Water by the period be pumped into reaction zone, reaction zone periodically completion SBR techniques water-filling, stirring, aeration, i.e., anoxic, anaerobism,
Aerobic, the arbitrary combination of three basic control function blocks, reaction zone system control parameter is：Sludge concentration：2000-4000mg/
L, sludge loading：0.02-0.05 kgBOD5/ (kgMLSS.d), dissolved oxygen（DO）Value：0-3.0mg/L is precipitated after the completion of reaction,
Then sewage is strained to equilibrium area after permanent water-level decanter is by processing, and sewage is flowed out through downflow weir in equilibrium area, is completed at all
Reason process.
2. a kind of Fishery Manufacturing Wastewater Treatment Process according to claim 1, which is characterized in that described（Two）AnMBR systems
Unite in anaerobic reaction, by temperature in temperature-sensing probe detection system, controlled by warming control system heat exchanger mode maintain be
System temperature.
3. a kind of Fishery Manufacturing Wastewater Treatment Process according to claim 1, which is characterized in that described（Two）In it is periodically few
Amount spoil disposal refers to the muddy water mixed solution that sludge volume is discharge AnMBR systems dischargeable capacity 2% daily.
4. a kind of Fishery Manufacturing Wastewater Treatment Process according to claim 1, which is characterized in that described（Four）CWSBR is anti-
Ying Zhong is divided into three control zone, reaction zone and equilibrium area regions with flexible water sail, and water sail is controlled using guided wave radar
Displacement.
5. the processing unit of wastewater from aquatic product process, which is characterized in that by AnMBR processors, two level dephosphorization processor and CWSBR
Reason device is sequentially communicated composition, and AnMBR processors front end is connected to water inlet pipe and is connected to wastewater from aquatic product process, and pipe is equipped on water inlet pipe
Channel heat exchanger, for AnMBR processors one piece of partition board of interior setting to form up-flow area and the areas Jiang Liu, the areas Jiang Liu are connected to water inlet pipe, drop
Stream area is communicated with up-flow area bottom, and up-flow area bottom is provided with aeration plate, and membrane module, membrane module top are provided with above aeration plate
Gas gathering mask is installed, gas collecting apparatus is connected to through collecting pipe, pressure gauge, pressure gauge signal input control system is carried on gas collecting apparatus
System provides aeration pump activation signal by control system, temp-sensing device is equipped in system, and temp-sensing device signal inputs warming control
System, warming control system control heat exchanger, and membrane module is discharged constant flow pump connection membrane module and carries out negative pressure water outlet, membrane module water outlet
Pipe is connected to two level dephosphorization processor, pipe laying mixer in the water outlet pipeline of membrane module；
Two level dephosphorization processor level-one medicament storage tank Chinese medicine is connected to pipe-line mixer, into level-one dephosphorization apparatus；Through level-one
After dephosphorization apparatus processing, sewage enters two level dephosphorization apparatus, installs blender in two level dephosphorization apparatus, two level dosing pump is by two level
Medicament storage tank is connected to two level dephosphorization apparatus；The online total phosphorus measuring instrumentss of level-one are respectively set in two level dephosphorization processor and two level exists
Line total phosphorus measuring instrumentss, on-line measurement total phosphorus value signal input controller, controller output control signal control dosing pump discharge；
Two level dephosphorization system bottom belt excludes device of sludge, and top outlet pipe is connected to CWSBR reactors, CWSBR is equipped on outlet pipe
Reactor intake pump；
CWSBR reactors are divided into three control zone, reaction zone and equilibrium area regions successively using flexible water sail, and install control
The guided wave radar of the displacement of water sail；Three control zone, reaction zone and equilibrium area sections bottoms are connected to by water pipe, peace in reaction zone
Equipped with aeration plate, aeration plate is connected to air blower, and the linear water decanter of permanent water level, dissolved oxygen instrument and stirring are also equipped in reaction zone
Device, dissolved oxygen instrument control the start and stop of air blower and blender in reaction zone；Reaction zone clear water by the linear water decanter of permanent water level into
Enter equilibrium area, equilibrium area top is equipped with downflow weir.
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