CN106066384A - Marine domestic sewage processes test simulation and flows into water preparation and supply method and device - Google Patents

Marine domestic sewage processes test simulation and flows into water preparation and supply method and device Download PDF

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CN106066384A
CN106066384A CN201610519599.9A CN201610519599A CN106066384A CN 106066384 A CN106066384 A CN 106066384A CN 201610519599 A CN201610519599 A CN 201610519599A CN 106066384 A CN106066384 A CN 106066384A
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water
sewage
bod
tss
supplying tank
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CN106066384B (en
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于青
刘光洲
王洪仁
吕炎
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Qingdao Sunrui Marine Environment Engineering Co Ltd
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Qingdao Sunrui Marine Environment Engineering Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1806—Water biological or chemical oxygen demand (BOD or COD)
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

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  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention discloses a kind of marine domestic sewage and process test simulation inflow water preparation and supply method and device, current Sewage from Ships shore-front-trials is overcome to flow into water configuration and feedway systematization, automaticity is low, 24 hours unmanneds cannot be realized and hydraulic load changes automatically, flow into water condition of water quality and control the shortcomings such as not enough, possesses TSS and BOD5 preparation, the discharge of sewage can be automatically adjusted according to test requirements document, the inflow function such as coolant-temperature gage and warning can be automatically controlled, fully meet MEPC. 227 (64) resolution and classification society and flow into water configuration and demand and supply about Sewage from Ships processing system shore-front-trials, it is also applied for the former water supply that relevant water processes in long-term long run test.

Description

Marine domestic sewage processes test simulation and flows into water preparation and supply method and device
Technical field
The present invention relates to a kind of marine domestic sewage and process test simulation inflow water preparation and supply method and device, belong to The marine domestic sewage of field of environment engineering processes experimental technique.
Background technology
Along with developing on an unprecedented scale of shipping business and ocean development, the pollution of marine environment is the most increasingly severe, and the mankind are to ocean The protection of environment also pay attention to day by day.Owing to the Sewage from Ships pollution problem brought of transporting by sea the most gradually causes the pass of people Note.Boats and ships, as the vehicles in shipping, are a kind of mobile pollution source, and the discharge of Sewage from Ships is to ocean and inland river Impact, can not be ignored along with the increase of ships quantity.
In order to strictly control the discharge of Sewage from Ships, International Maritime Organization (IMO) formulated from 1976 to 2012 years A series of relevant criterion and directive/guide, the most up-to-date IMO resolution (MEPC.227 (64)) is in reality in 1 day January in 2016 Execute.The concrete IMO emission request that it is provided by resolution that is shown in Table-1.
Table-1. IMO Sewage from Ships puts requirement
Main Technology of Ship Domestic Sewage Treatment is biochemical process (activated sludge process, MBR method) and electrochemical process. Each developer must utilize the processing system intending certification to carry out land according to MEPC.227 (64) resolution and competent authority (classification society) Upper test or ship trial, provide model approval certificate could to after pass the test this system, and this system just can be approved to enter city ?.Current most of developer uses the mode of simulation shore-front-trials to carry out testing certification, and this is accomplished by for test configurations, confession To required simulation Sewage from Ships.
In order to make shore-front-trials have the cogency of actual representativeness and treatment effect, IMO and competent authority to inflow Water water quality is specified: requirement in MEPC.227 (64) resolution 5.2.1 trifle, flows into the suspended solid total amount of water during test Concentration must not be less than 500mg/l；Classification society requires that the BOD5 flowing in water is more than 500mg/l the most simultaneously.More than only meeting Water quality requirement, the test carried out is just effective.
It is provided by resolution that for MEPC.227 (64), in the persistent period of model approval shore-front-trials and continuing of arrangement of time test Time should be at least 10 days, during testing, should respectively under minimum, average and heap(ed) capacity loading condiction to sanitary sewage at Reason device is tested.
When carrying out groping test on a small scale the most by land, owing to the persistent period is relatively short, flow into water configuration And feed system only has the container of a constant volume, not possessing water temperature control system, associative operation mostly is and manually completes, it is impossible to Within 24 hours, run continuously, it is impossible to the reliability of verification process system, greatly limit carrying out of test, it addition, simple life Sewage raw water quality is extremely difficult to the Sewage from Ships processing system model approval shore-front-trials of IMO and classification society and flows into water water Matter requirement.
Summary of the invention
It is desirable to provide a kind of marine domestic sewage processes test simulation flows into water preparation and supply method and device, Solve that current Sewage from Ships shore-front-trials flows into water configuration and feedway systematization, automaticity is low, cannot realize 24 hours unmanneds and hydraulic load automatically change, flow into the problem that water condition of water quality controls deficiency.
The technical scheme is that a kind of marine domestic sewage processes test simulation and flows into water preparation and supply method, It is characterized in that, comprise the following steps:
(1) at least two is set and flows into water supplying tank, for preparing the water sample of simulation Sewage from Ships；
(2) first the sanitary sewage raw water not stored is flowed in water supplying tank to one；
(3) BOD in COD and TSS on-line monitoring probe detection sewage is used5And TSS numerical value；
(4) according to measured BOD5And TSS value, it is judged that flow into water water quality the most up to standard: as met the requirements, then can directly make With；
(5) water quality index needed for being not up to such as former sanitary sewage, then calculate required to inflow according to equation below (1) and (2) The material improving BOD and TSS value is added, until it reaches required water quality index in water supplying tank:
For BOD5, MBOD+BOD5a*Va = 500mg/L*Va (1)
For TSS, MTSS+TSSa*Va=500mg/L*Va (2)
In formula: MBOD and MTSS is the quality of substance, BOD5A and TSSa is respectively measured BOD5And TSS value, Va is Sewage volume.
The concrete grammar of described step (3) is to use indirect detection BOD5Method: utilize traditional method at laboratory Detection BOD5Numerical value, by obtaining a large amount of COD and the BOD of correspondence5After numerical value, set up COD-BOD5Homologous thread；Use routine COD on-line checking is popped one's head in, and records and flows into the COD value of sewage in water supplying tank, from COD-BOD5Corresponding BOD is obtained on curve chart5 Numerical value.
The material of described raising BOD and TSS value includes: use Kaolin or/and mud configures compounding high concentration TSS； Use soluble starch or/and glucose configures high concentration BOD5；Configuration TSS and BOD5Chemical substance be not limited to above institute The material mentioned.
In actual motion, COD and TSS on-line checking probe will uninterruptedly detect in a described inflow water supplying tank Inflow water water quality, such as continuous three minutes BOD5The arbitrary index of TSS or two indices the most up to standard, then automatically switch to another Individual inflow water supplying tank, it is ensured that test is normally carried out, adds appropriate thing in inflow water supplying tank simultaneously the most up to standard to water quality Matter, the most up to standard to enable its flow into water water quality.
In test, the temperature to flowing into water is needed to be controlled, to check this Sewage from Ships processing system to process Performance during different temperatures sewage.
A kind of device implementing described marine domestic sewage process test simulation inflow water preparation and supply method, it is special Levy and be, including at least two flow into water supplying tank, this inflow water supplying tank each built with temperature sensor, COD probe, TSS probe, heating rod and agitator, being respectively arranged at two ends with effluent cycle outlet and discharging bottom this inflow water supplying tank Mouthful, it is provided with effluent cycle entrance on the top of this inflow water supplying tank and material adds entrance, in the side of this inflow water supplying tank It is provided with liquidometer；It is in series with sewage effluent pump, electrically operated valve and effusion meter at this floss hole；Two these dirts flowing into water supplying tank Water loop exit is connected by all entrances with a circulating refrigerator after circulating sewage pump and electrically operated valve respectively, this circularly cooling The outlet of machine is connected with the effluent cycle entrance of each inflow water supplying tank；Described heating rod is powered by heating rod power supply box； Described temperature sensor, COD probe, TSS probe, heating rod power supply box, sewage effluent pump, circulating sewage pump, electrically operated valve, Effusion meter and liquidometer are automatically controlled by switch board.
According to experiment needs, preset relative program also by the PLC at switch board, by switch board by corresponding electrodynamic valve Door automatically controls the flow of sewage supply.
The invention have the advantage that the present invention can overcome current Sewage from Ships shore-front-trials to flow into water configuration and supply Apparatus system, automaticity are low, cannot realize 24 hours unmanneds and the automatic deficient change of hydraulic load, inflow water Condition of water quality controls the shortcomings such as not enough, possesses TSS and BOD5 preparation, can automatically adjust the discharge of sewage, energy according to test requirements document Enough automatically control the inflow function such as coolant-temperature gage and warning, fully meet MEPC. 227 (64) resolution and classification society about ship Oceangoing ship domestic sewage processing system shore-front-trials flows into water configuration and demand and supply.
Accompanying drawing explanation
Fig. 1 be marine domestic sewage of the present invention process test simulation flow into water preparation with feedway totally constitute signal Figure.
Description of reference numerals: 1. first flow into water supplying tank；2. the first temperature sensor；3. a COD probe；4. first TSS pops one's head in；5. the first heating rod；6. the first agitator；7. the first material adds entrance；8. the first heating rod power supply box；9. Two flow into water supplying tank；10. the second temperature sensor；11. the 2nd COD probes；12. the 2nd TSS probes；13. second heating rods； 14. second agitators；15. second materials add entrance；16. second heating rod power supply boxs；17. first circulating sewage pumps；18. first Electrically operated valve；19. circulating refrigerators；20. second electrically operated valves；21. second circulating sewage pumps；22. the 3rd electrically operated valves；23. 4th electrically operated valve；24. switch boards；25. first discharge sewage pumps；26. the 5th electrically operated valves；27. first-class gauge；28. Two sewage effluent pumps；29. the 6th electrically operated valves；30. second gauge；31. first liquidometers；32. second liquidometers.
Detailed description of the invention
Seeing Fig. 1, marine domestic sewage of the present invention processes test simulation and flows into water preparation and supply method and device, bag Include:
(1) first the sanitary sewage raw water not stored is flowed in water supplying tank 1 to simulation Sewage from Ships first. First inflow water supplying tank 1 is provided with COD on-line checking probe 3 and TSS on-line checking probe 4, and is connected with switch board 24. BOD in water at present5The numerical value overwhelming majority carries out 5 days biochemical culture for using at laboratory after sampling, week time that detection obtains Phase is long, it is impossible to the short time obtains water quality parameter.It addition, only only a few online BOD detection probe can not Directly obtain BOD5Numerical value, and accuracy is poor.Therefore indirect detection BOD can be used5Method substitute: use ripe COD on-line checking is popped one's head in, and records COD numerical value, utilizes traditional technique in measuring BOD at laboratory simultaneously5Numerical value, it is thus achieved that corresponding pass System；By obtaining a large amount of COD and the BOD of correspondence5After numerical value, set up COD-BOD5Homologous thread；In a subsequent experiment, when being After the COD probe installed in system detects COD numerical value, corresponding BOD can be obtained from curve chart5Numerical value.Ship due to simulation The city domestic sewage that oceangoing ship sanitary sewage uses, water quality is the most stable, therefore this COD-BOD5Homologous thread is at native system Middle use is feasible.
(2) BOD in COD and TSS on-line monitoring probe 3 and 4 detection sewage is used5And TSS numerical value, to judge to flow into water water Matter is the most up to standard: as met the requirements, then can be used directly；As requirement can not be met, then can be that next step configuration meets inflow water The sewage of standard provides and calculates desired data.Measured BOD5And TSS value is designated as BOD respectively5A and TSSa, in formula (1), (2) Sewage volume be designated as Va.
(3) water quality index as not up to required in former sanitary sewage, then needed for calculating substance quality (MBOD and MTSS):
For BOD5, MBOD+BOD5a*Va = 500mg/L*Va (1)
For TSS, MTSS+TSSa*Va=500mg/L*Va (2)
Up to standard in order to ensure inflow water, the most too much increase organic loading and the suspended solid total amount for the treatment of sewage simultaneously, Suggestion should add the surplus of 5% again.
With Kaolin and mud to configure compounding high concentration TSS, then soluble starch, glucose etc. can be poured into configuration High concentration BOD5.Configuration TSS and BOD5Chemical substance can be including but not limited to material mentioned above.For BOD5, The BOD that per unit mass material is contributed for sewage5It is worth different, should carry out estimating, calculating according to practical engineering experience. In actual motion, COD and TSS on-line checking probe will detect the first inflow water supplying tank 1 constantly and flow into water water quality, as continuously Three minutes BOD5Or the arbitrary index of TSS or two indices (less than 500 mg/l) the most up to standard, then automatically switch to simulate boats and ships Sanitary sewage second flows into water supplying tank 9, it is ensured that test is normally carried out, and simulation Sewage from Ships first is flowed into water simultaneously and supplies Appropriate material is added to tank 1, the most up to standard to enable its flow into water water quality.The material added adds entrance 7 by the first material And second material add entrance 15 and add to corresponding Water Tank, add the principle that fashionable employing is the most a small amount of, material adds extremely When the first inflow water supplying tank 1 and the second inflow water supplying tank 9, in tank, the first agitator 6 and the second agitator 14 are simultaneously Run, by the material uniform lytic agent branch that adds in sewage, during agitator has been at running, prevent the solid added Suspended substance sedimentation.
(4) in the middle of land-based test, need inflow coolant-temperature gage is controlled, to check this Sewage from Ships to process system System processes performance during different temperatures sewage.Water supplying tank 1 and simulation boats and ships life is flowed at simulation Sewage from Ships first Sewage second flows into lays some heating rods respectively in water supplying tank 9；It addition, two flow into water supplying tank and share a circulation Refrigeration machine 19.Test temperature required higher than sewage own temperature time, scalable heating rod design temperature, heating flow into water make it Reach test temperature.When test temperature required less than sewage own temperature time, two sewage flowed in water supplying tank can be made not Open close circulating refrigerator 19 excessively, reaches cryogenic conditions.In practical operation, two sewage flowed in water supplying tank are by opening And closedown related valve, it is achieved respectively enter the purpose of circulating refrigerator 19.It is provided with temperature probe, temperature in flowing into water supplying tank Degree probe is connected with switch board 24, by preset temperature numerical value, controls heating rod or the start and stop of circulating refrigerator.
(5) in order to meet the Sewage from Ships shore-front-trials requirement for hydraulic load key element Annual distribution, this inflow Water supply system takes the every day in table-2 of load plan at night to test.
Table-2. hydraulic load every day change table
Time interval 0 .-9 point 9 .-10 points 10 .-12 points 12 .-15 points 15 .-24 points
Operation time (h) 9 1 2 3 9
Hydraulic load Average discharge Peak flow (3 times of average discharge) Average discharge Ebb flow (1/2nd of average discharge) Average discharge
Average discharge in upper table, peak flow, ebb flow concrete numerical value by each developer according to processing system inherent parameters Determine.
Simulation Sewage from Ships first flows into water supplying tank 1 and simulation Sewage from Ships second flows into water supplying tank 9 Effluent discharge outlet be connected to sewage pump 25 and 28, electrodynamic valve 26 and 29 and electromagnetic flowmeter 27 and 30 by pipeline respectively.Control In advance by flow and the corresponding time write control program of table 2 in cabinet 24 processed, switch board 24 adjusts the discharge of sewage according to the time. Meanwhile, the pump hydrodynamic(al) of this sewage pump 25 and 28 is made will be with Sewage from Ships processing system synthetic operation subsequently, at follow-up place When reason system mode is for running, sewage pump 25 and 28 can start pump water.During sewage pump 25 and 28 pump water, effusion meter 27 He The data on flows constant feedback of 30, to switch board 24, adjusts electrodynamic valve 26 and 29 by switch board 24 and carries out micro-to flow Adjust, in order to make the control of flow be more easy to realize, it is considered that actual flow error set flow value ± 5% in, i.e. it is believed that Pass Test requirement, otherwise will adjust electrodynamic valve 26 and 29 and carry out flow-control.
(6) quantity flowing into water supplying tank depends on actual tests institute water requirement, can accordingly increase or reduce.When first When flowing into the low liquid level point of the near liquidometer of sewage level 31 in water supplying tank 1, switch board 24 automatically control relevant electrodynamic valve and The closedown of sewage pump and unlatching, system would automatically turn on the second inflow water supplying tank 9 and continues to supply water.
According to experiment needs, preset relative program also by the PLC at switch board, by switch board by corresponding electrodynamic valve Door automatically controls the flow of sewage supply.
Embodiment one:
(1) flowing into water supplying tank and contain sanitary sewage raw sewage 5000L in advance, through COD and TSS probe detection, BOD5 is 350mg/L, TSS are 200mg/l.Pass through to calculate according to formula (1) and (2), be separately added into corn starch 935g, Kaolin 1575g, gradually should add additive to water pot according to the most a small amount of principle, prevents from being added into caking in adition process Or in water, it is difficult to diffusion.After interpolation, BOD5 value be 523mg/L, TSS be 513mg/L, meet and relevant flow into water requirement.
(2) flowing into the initial water temperature of water is 7 DEG C, and test design temperature is 25 DEG C.After inflow water has configured, power-on, Switch board automatically controls heating rod power initiation, utilizes heating rod to heat, and after 5 hours, water body is heated to 25 DEG C.
(3) this system is connected with the sewage collecting tank of electrolysis Sewage from Ships processing system, the dirt of this processing system Water average treatment flow is 150L/h, peak flow 450L/h, ebb flow 75L/h.After 24 hours terminate, obtain experiment parameter Automatically result is recorded: 0-9 point range of flow is stable stable at 439-465L/h, 10-at 145-155L/h, 9-10 point range of flow 12 range of flows are stable stable at 72-76.5L/h, 15-24 point range of flow at 147-153L/h, 12-15 point range of flow Stable at 147.5-156L/h.
(4) from the point of view of above the actual running results, this Sewage from Ships processes shore-front-trials and flows into water preparation and supply System fully meets IMO MEPC. 227 (64) resolution and classification society about Sewage from Ships processing system model approval land Upper test flows into water configuration supply and test demand.
Embodiment two:
(1) flow into water supplying tank (1) and (2) and respectively contain sanitary sewage raw sewage 5000L, through COD and TSS probe detection, BOD5 be 401mg/L, TSS be 310mg/l.Pass through to calculate according to formula (1) and (2), be separately added into glucose 525g, kaolinite Soil 997.5g, gradually should add additive to water pot according to the most a small amount of principle, prevents from being added into knot in adition process Block or be difficult in water diffusion.After interpolation, BOD5 value be 518mg/L, TSS be 535mg/L, meet and relevant flow into water requirement.
(2) flowing into the initial water temperature of water is 10 DEG C, and test design temperature is 35 DEG C.After inflow water has configured, power-on, Switch board automatically controls heating rod power initiation, utilizes heating rod to heat, and after 7 hours, water body is heated to 25 DEG C.
(3) this system is connected with the sewage collecting tank of electrolysis Sewage from Ships processing system, the dirt of this processing system Water average treatment flow is 300L/h, peak flow 900L/h, ebb flow 150L/h.After 24 hours terminate, obtain experiment ginseng Number records result automatically: 0-9 point range of flow is stable stable at 881-921L/ at 291.2-308L/h, 9-10 point range of flow H, 10-12 point range of flow is stable stable at 149-161L/h, 15-24 point flow at 293-310L/h, 12-15 point range of flow Scope is stable at 281-311L/h.Log shows, when in water pot (1), liquid level arrives low liquid level point, system automatically switches Fetch water to water pot (2).
(4) from the point of view of above the actual running results, this Sewage from Ships processes shore-front-trials and flows into water preparation and supply System fully meets IMO MEPC. 227 (64) resolution and classification society about Sewage from Ships processing system model approval land Upper test flows into water configuration supply and test demand.
Embodiment three:
(1) flow into water supplying tank (1) and (2) and respectively contain sanitary sewage raw sewage 5000L, through COD and TSS probe detection, BOD5 be 211mg/L, TSS be 168mg/l.Pass through to calculate according to formula (1) and (2), be separately added into corn starch 1800g, high Ridge soil 1743g, gradually should add additive to water pot according to the most a small amount of principle, prevents from being added in adition process Lump or in water, be difficult to diffusion.After interpolation, BOD5 value be 523mg/L, TSS be 514mg/L, meet and relevant flow into water requirement.
(2) flowing into the initial water temperature of water is 15 DEG C, and test design temperature is 5 DEG C.After inflow water has configured, power-on, Switch board automatically controls related valve and opens and close, and automatically controls circulating cooling machine and starts, and freezes to flowing into water, passes through After 6 hours, water body is cooled to 5 DEG C.
(3) this system is connected with the sewage collecting tank of electrolysis Sewage from Ships processing system, the dirt of this processing system Water average treatment flow is 300L/h, peak flow 900L/h, ebb flow 150L/h.After 24 hours terminate, obtain experiment ginseng Number records result automatically: 0-9 point range of flow is stable stable at 891-925L/ at 294.3-311L/h, 9-10 point range of flow H, 10-12 point range of flow is stable stable at 144-157L/h, 15-24 point flow at 298-313L/h, 12-15 point range of flow Scope is stable at 287-315L/h.Log shows, when in water pot (1), liquid level arrives low liquid level, system automatically switches to Water pot (2) is fetched water.
(4) from the point of view of above the actual running results, this Sewage from Ships processes shore-front-trials and flows into water preparation and supply System fully meets IMO MEPC. 227 (64) resolution and classification society about Sewage from Ships processing system model approval land Upper test flows into water configuration supply and test demand.

Claims (7)

1. a marine domestic sewage processes test simulation and flows into water preparation and supply method, it is characterised in that include following step Rapid:
(1) at least two is set and flows into water supplying tank, for preparing the water sample of simulation Sewage from Ships；
(2) first the sanitary sewage raw water not stored is flowed in water supplying tank to one；
(3) BOD in COD and TSS on-line monitoring probe detection sewage is used5And TSS numerical value；
(4) according to measured BOD5And TSS value, it is judged that flow into water water quality the most up to standard: as met the requirements, then can be used directly；
(5) water quality index needed for being not up to such as former sanitary sewage, then calculate required to inflow according to equation below (1) and (2) The material improving BOD and TSS value is added, until it reaches required water quality index in water supplying tank:
For BOD5, MBOD+BOD5a*Va = 500mg/L*Va (1)
For TSS, MTSS+TSSa*Va=500mg/L*Va (2),
In formula: MBOD and MTSS is the quality of substance, BOD5A and TSSa is respectively measured BOD5And TSS value, Va is Sewage volume.
Marine domestic sewage the most according to claim 1 processes test simulation and flows into water preparation and supply method, its feature Being, the concrete grammar of described step (3) is to use indirect detection BOD5Method: utilize traditional technique in measuring at laboratory BOD5Numerical value, by obtaining a large amount of COD and the BOD of correspondence5After numerical value, set up COD-BOD5Homologous thread；Use conventional COD On-line checking is popped one's head in, and records and flows into the COD value of sewage in water supplying tank, from COD-BOD5Corresponding BOD is obtained on curve chart5Number Value.
Marine domestic sewage the most according to claim 1 processes test simulation and flows into water preparation and supply method, its feature Being, the material of described raising BOD and TSS value includes: use Kaolin or/and mud configures compounding high concentration TSS；Use Soluble starch is or/and glucose configures high concentration BOD5；Configuration TSS and BOD5Chemical substance be not limited to set forth above Material.
Marine domestic sewage the most according to claim 1 processes test simulation and flows into water preparation and supply method, its feature Being, in actual motion, COD and TSS on-line checking probe will uninterruptedly detect described flowing in water supplying tank Flow into water water quality, such as continuous three minutes BOD5The arbitrary index of TSS or two indices the most up to standard, then automatically switch to another Flow into water supplying tank, it is ensured that test is normally carried out, in inflow water supplying tank simultaneously the most up to standard to water quality, add appropriate material, The most up to standard to enable its flow into water water quality.
Marine domestic sewage the most according to claim 1 processes test simulation and flows into water preparation and supply method, its feature It is, in test, needs the temperature to flowing into water to be controlled, to check this Sewage from Ships processing system to process difference Performance during temperature sewage.
6. the marine domestic sewage described in implementing processes test simulation and flows into a device for water preparation and supply method, its feature Be, including at least two flow into water supplying tank, this inflow water supplying tank each built with temperature sensor, COD probe, TSS probe, heating rod and agitator, being respectively arranged at two ends with effluent cycle outlet and discharging bottom this inflow water supplying tank Mouthful, it is provided with effluent cycle entrance on the top of this inflow water supplying tank and material adds entrance, in the side of this inflow water supplying tank It is provided with liquidometer；It is in series with sewage effluent pump, electrically operated valve and effusion meter at this floss hole；Two these dirts flowing into water supplying tank Water loop exit is connected by all entrances with a circulating refrigerator after circulating sewage pump and electrically operated valve respectively, this circularly cooling The outlet of machine is connected with the effluent cycle entrance of each inflow water supplying tank；Described heating rod is powered by heating rod power supply box； Described temperature sensor, COD probe, TSS probe, heating rod power supply box, sewage effluent pump, circulating sewage pump, electrically operated valve, Effusion meter and liquidometer are automatically controlled by switch board.
Device the most according to claim 6, it is characterised in that according to experiment needs, preset phase by the PLC at switch board Pass program, is automatically controlled the flow of sewage supply by switch board by corresponding electrically operated valve.
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