CN103896450A - Fully automatic control anaerobic membrane bioreactor treatment device for ship sewage - Google Patents
Fully automatic control anaerobic membrane bioreactor treatment device for ship sewage Download PDFInfo
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- CN103896450A CN103896450A CN201410077593.1A CN201410077593A CN103896450A CN 103896450 A CN103896450 A CN 103896450A CN 201410077593 A CN201410077593 A CN 201410077593A CN 103896450 A CN103896450 A CN 103896450A
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Abstract
The invention discloses a fully automatic control anaerobic membrane bioreactor treatment device for ship sewage. The treatment device is characterized in that a flowmeter, a crushing pump and a water inlet pump are arranged between a water storage tank and a reactor; the water inlet pump is communicated with each AnMBR chamber of the reactor; a communication pipe is arranged between the two AnMBR chambers; an electromagnetic valve is arranged on the communication pipe; a membrane component is arranged in each AnMBR chamber; a water outlet branch pipe of each membrane component is connected with a clear water storage tank via a water outlet main pipe provided with a valve, a water outlet flowmeter, a vacuum pump and an ultraviolet disinfection device. The treatment device can be used for realizing efficient treatment of the ship sewage and the effluent quality can comprehensively satisfy the standard requirement of the IMOMEPC159(55) resolution. The whole-set of equipment of the device are automatically controlled, are high in reliability, stable in operation and good in effluent quality and have automatic detection and diagnosis functions without a professional watch-man and important significance to protect inland rivers and marine ecological environments.
Description
Technical field
The present invention relates to a kind of sewage disposal technology device, particularly naval vessel waste disposal plant.
Background technology
The processing of naval vessel waste water is all the research emphasis of sewage treatment area all the time, but because Supervision is unsound, personnel and Enterprise Consciousness are thin, the more high factor of processing cost causes corresponding treatment technology development and applies limited, along with the appearance of film biologic treating technique and progressively ripe, solve well conventional ship wastewater treatment equipment and taken up room greatly, the problem such as the large and treatment effect of noise is unstable.Some early stage wastewater membrane biological treating equipments peculiar to vessel exist many problems: Chinese Patent Application No. is 200910085873.6, the patent document of a kind of sewage treatment equipment for ships by name and method discloses a kind of novel sewage treatment unit, comprise biological reaction tank, membrane separation unit and water-freeing arrangement, membrane separation unit comprises pre-exposure air chamber and the membrane filtration chamber that order is connected, in pre-exposure air chamber bottom, aerating apparatus is set, the indoor membrane module that arranges of membrane filtration, this device adopts aerobic/anaerobic bi-level treatment, and adopt membrane module water outlet, make sewage disposal peculiar to vessel reach international emission standard, and it is low that this equipment meets energy consumption, be easy to safeguard the requirement of cleaning.But there is following problem: 1. this device is made up of multistage reaction tank, for narrow cabin space, seem narrower; 2. aerobic reaction device need to provide extra power for aeration, can increase noise and energy consumption; 3. the excess sludge problem that aerobic reaction produces is urgently to be resolved hurrily.Chinese Patent Application No. is 201110407336.6, and the patent document of marine sewage treatment system by name discloses a kind of marine sewage treatment system, and it comprises solarization air cell, He Mo chamber, settling chamber; Film chamber is flat cubes, is positioned at a side of body; Solarization air cell and settling chamber form a box cubes, are positioned at body opposite side; In solarization air cell, be provided with the dividing plate of half partition-type; The bottom of settling tank is bucket-shaped, and top is bell mouth shape, and the water chamber on settling tank top is positioned at the cubical centre of box.Baffle design in solarization air cell makes sewage in solarization air cell's bottom aerator aeration, forms pulling flow type movement locus, makes sewage obtain higher biochemical reaction efficiency; The texture improvement of settling chamber can effectively reduce chemical oxygen demand (COD) (COD), five-day BOD (BOD
5) and total suspended solid (TSS) value.The water chamber of settling tank improves, and no matter installs to which direction, and the liquid in settling tank all keeps steady state, has further improved the stability of device.But there is following problem: 1. fail to consider the problem that device breaks down, do not have for subsequent use; 2. automatic control level is not high.
Summary of the invention
The object of the present invention is to provide one take up room little, do not need additionally to provide aeration power, mud can be recycled and can realize full automatic control, the full automatic control naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device of continuous flow.
The object of the present invention is achieved like this:
The full automatic control of the present invention naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device (Anaerobic membrane bioreator, be abbreviated as AnMBR) mainly comprise: water tank, macerator pump, reactor, intake pump, communicating vessels and magnetic valve, water flow meter, vacuum pump, ultra violet sterilizer, clear water water tank, backwashing pump, outer circulation pump and automatic control system.On connecting tube between water tank and reactor, be provided with successively under meter, macerator pump and intake pump, wherein macerator pump can pulverize the solid matter in waste water, prevents from blocking membrane module; Intake pump outlet is connected with two arms, and this two arm that is provided with water intaking valve is respectively communicated with a reactor A nMBR lattice chamber again.The box reactor shell of sealing is divided into two portions by dividing plate, i.e. two AnMBR lattice chambers, between these two AnMBR lattice chambers, be provided with a communicating pipe, it is indoor that two openings of this communicating pipe lay respectively at two AnMBR lattice, and the part being positioned at communicating pipe outside housing is provided with magnetic valve.Magnetic valve on described communicating pipe passes through automatic controlling system, when the normal operation of device, opens solenoid valve can be stablized two liquid levels that lattice are indoor, need maintenance at AnMBR reactor, change when membrane module and other need to empty one of them AnMBR lattice chamber and close, at utmost ensure the stability of wastewater treatment by two anaerobic membrane bioreactors (AnMBR) lattice chamber for subsequent use each other, and do not need to stop wastewater biochemical processing.Be preferably in reactor shell an also additional housing, it is water storage lattice chambers, its water-in is connected with macerator pump, water outlet is connected with intake pump by valve, because naval vessel sewage quality, water yield temporal evolution are large, the sewage quality that this water storage lattice chamber can be collected day part and the water yield are further balanced, make the water inlet of AnMBR lattice chamber stable, and device operates steadily.In above-mentioned each AnMBR lattice chamber, be provided with membrane module, the exit branch being connected with each membrane module is located at middle and upper part, lattice chamber, and merge into out water conduit tube by establishing valvular pipeline, this goes out the water conduit tube the other end and is connected with clear water water tank, this goes out on water conduit tube, to be provided with successively valve, water flow meter, vacuum pump and ultra violet sterilizer.Above-mentioned clear water water tank sets out the mouth of a river, clear water after treatment can be entered to inland river or waters, high sea by this mouth.Preferably clear water water tank is established another water outlet, and this another water outlet can be connected with backwashing pump import by establishing valvular pipeline, and backwashing pump exports and goes out water conduit tube and be connected.By the different internal circulating load of the adjusting of automatic control system, membrane module is formed to souring to a certain degree, alleviate the generation that film pollutes, improve the overall operation efficiency of system.Best, respectively establish a through hole in bottom, two AnMBR lattice chambers, they are connected with outer circulation pump inlet by the circulation line with valve respectively, this outer circulation pump discharge is connected with two arms, the through hole that one root arm is respectively established with top, AnMBR lattice chamber by two circulation lines with valve is respectively connected, the mud of reactor bottom and sewage are drawn to reactor, again note back reactor by outer circulation pump from reactor top, form circulation to realize mud at inside reactor; Another arm being connected with outer circulation pump is excess sludge discharge pipe, and remaining mud is discharged system by excess sludge discharge pipe.Be preferably in two AnMBR lattice chambers high and low liquidometer is installed respectively, the height of liquid level in monitoring reactor, by by signal feedback automatic control system, controls the unlatching of Inlet and outlet water water pump and closes.Said pump, valve and back-purge system are all connected with automatic control system.
Working process of the present invention is roughly as follows: naval vessel sewage is squeezed into respectively two identical AnMBR lattice chambers of reactor by intake pump after macerator pump pulverizes solid matter, each AnMBR lattice are indoor is equipped with anaerobion, utilize the organic pollutant in the metabolism degrading waste water of microorganism, each AnMBR lattice are respectively provided with again membrane module in chamber, under the crown_interception of membrane module, complete mud-water separation, active sludge is stayed in reactor, and sewage after treatment leaves reactor by hollow-fibre membrane.Each membrane module is all connected with rising pipe, the clear water that the negative pressure-pumping membrane module producing by vacuum pump leaches, and this clear water enters clear water water tank again after apparatus for ultraviolet disinfection sterilization, finally discharges in rivers,lakes and seas.At the outer circulation pump of AnMBR outer setting, the muddy water mixed solution of AnMBR bottom can be extracted out, and refill in reaction tank from top, form circulation, to membrane module is formed to souring, alleviate film and pollute, can reduce the generation of sludgd deposition.When sludge concentration is too high or occur that other situations can closing volume pipe valve, open AnMBR circulating line valve and excess sludge discharge valve, suitably discharge excess sludge.When membrane module membrane flux reduces, while affecting processing efficiency, need carry out back flushing to membrane module, back flushing adopts water-washing method, and water source comes from clear water water tank, close water outlet main valve (21), open the valve (26) that needs the membrane module of back flushing corresponding, after membrane flux recovers, stop backwash process, close back flushing pipeline valve (26), open water outlet main valve (21), again recover normal operating condition.Under normal circumstances, the work-ing life of pvdf membrane is longer, and repeatedly after washing, membrane flux can not return to design requirements, now needs membrane module to dismantle, and carries out matting.Taking 1#AnMBR as example, close 1#AnMBR water inlet pipe valve and the magnetic valve on communicating pipe, close membrane module exit branch valve, close the valve of 2#AnMBR circulating line on external circulation line, the valve of the valve of 1#AnMBR circulating line and 2#AnMBR circulating line, open outer circulation pump the mixed solution in 1#AnMBR is found time, dismounting membrane module, adopts clorox and sulfuric acid to carry out matting.
The present invention compared with prior art tool has the following advantages:
1) naval vessel sewage treating efficiency is high, and effluent quality is good.The present invention adopts Anaerobic Microbiological Treatment Technology and membrane process coupling, can realize naval vessel wastewater efficient processing, and effluent quality can meet IMO MEPC159 (55) resolution standard-required comprehensively.
2) simple to operate, the process control without meticulous: compared with other anaerobic treatment reactors (as UASB, EGSB), the present invention is without cultivating granule sludge, without meticulous process control, simple to operate.
3) capacity of resisting impact load is strong: compared with other naval vessel waste disposal plants, the present invention is stronger to environmental impact factor adaptability such as waste water quality, the water yield, temperature, pH, due to the crown_interception of film, even under adverse environmental factors condition, also can obtain good effect;
4) floor space is little: the present invention, by shortening the method for hydraulic detention time, raising sludge concentration, can greatly reduce the floor space of device, saves operating space.
5) working cost and waste sludge yield poorly: innovative point of the present invention is to have cancelled conventional ship aeration device for treating sewage, this has not only greatly reduced energy consumption and working cost, also reduce the production rate of waste sludge, reduced the noise jamming of aerating apparatus simultaneously.
6) level of automation is high, has self-adaptation, self diagnosis, self-regulating function: apparatus of the present invention a complete set of equipment adopts full automatic control, and equipment dependability is high, stable, there is automatic diagnosis and detection function, do not need professional duty personnel, greatly reduce the labour intensity of ship personnel.
Brief description of the drawings
Fig. 1 is structural representation sketch of the present invention.
To be that AnMBR lattice of the present invention chamber is main cut open amplification simplified schematic diagram depending on office to Fig. 2.
Fig. 3 is that reactor master of the present invention looks amplification simplified schematic diagram.
In figure: 1. connect naval vessel sewer pipeline; 2. water tank; 3. under meter; 4. macerator pump; 5. water storage lattice chamber; 6. water storage lattice chamber valve; 7. AnMBR intake pump; 8. 1#AnMBR inlet valve; 9. 2#AnMBR inlet valve; 10. 1#AnMBR; 11. 2#AnMBR; Curtain type film assembly in 12. 1#AnMBR; Curtain type film assembly in 13. 2#AnMBR; 14. communicating pipe and magnetic valve; Low level probe in 15. 1#AnMBR; Low level probe in 16. 2#AnMBR; High level probe in 17. 1#AnMBR; High level probe in 18. 2#AnMBR; 19. 1#AnMBR membrane module rising pipe valves; 20. 2#AnMBR membrane module rising pipe valves; 21. water outlet main valves; 22. rising pipe under meters; 23. vacuum pumps; 24. ultra violet sterilizers; 25. clear water water tanks; 26. back flushing pipeline valves; 27. backwashing pumps; 28. 1#AnMBR circulating line valves (going out reactor); 29. 2#AnMBR circulating line valves (going out reactor); 30. outer circulation pumps; 31. 1#AnMBR circulating line valves (entering reactor); 32. 2#AnMBR circulating line valves (entering reactor); 33. excess sludge discharge tube valves.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail for example:
Example 1
In the structural representation sketch of the full automatic control naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device shown in Fig. 1, on connecting tube between water tank and reactor, be provided with successively under meter, macerator pump and intake pump, intake pump outlet is connected with two arms, and this two arm that is provided with water intaking valve is respectively communicated with a reactor A nMBR lattice chamber again.The box reactor shell of sealing is divided into two portions by dividing plate, be two AnMBR lattice chambers of 1#AnMBR and 2#AnMBR, between these two AnMBR lattice chambers, be provided with a communicating pipe, it is indoor that two openings of this communicating pipe lay respectively at two AnMBR lattice, and the part being positioned at communicating pipe outside housing is provided with magnetic valve, as shown in Figure 3.In reactor shell, also add a housing, it is water storage lattice chambers, and its water-in is connected with macerator pump, and water outlet is connected with intake pump by water outlet lattice chamber valve.In above-mentioned each AnMBR lattice chamber, be provided with membrane module, membrane module adopts the hollow-fibre membrane of PVDF material, adopt curtain type membrane form, as shown in Figure 2, the exit branch being connected with each membrane module is located at middle and upper part, lattice chamber, and merges into out water conduit tube by the pipeline that is provided with 1#AnMBR or 2#AnMBR membrane module rising pipe valve, and this goes out the water conduit tube the other end and is connected with clear water water tank, this goes out on water conduit tube, to be provided with successively water outlet main valve, water flow meter, vacuum pump and ultra violet sterilizer.Above-mentioned clear water water tank sets out the mouth of a river.Clear water water tank is established another water outlet, and this another water outlet can be connected with backwashing pump import by the pipeline that is provided with back flushing pipeline valve, backwashing pump outlet with go out water conduit tube and be connected.Respectively establish a through hole in bottom, two AnMBR lattice chambers, they are respectively by being connected with outer circulation pump inlet with the circulation line (going out reactor) of 1#AnMBR circulating line valve and 2#AnMBR circulating line valve, this outer circulation pump discharge is connected with two arms, and the through hole that one root arm is respectively established with top, AnMBR lattice chamber by the circulation line (entering reactor) with 1#AnMBR circulating line valve and 2#AnMBR two circulating line valves is respectively connected; Another arm being connected with outer circulation pump is excess sludge discharge pipe.Separately in two AnMBR lattice chambers, high level probe and low level probe are installed respectively.Said pump, valve and back-purge system are all connected with automatic control system.
Claims (3)
1. a full automatic control naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device, it is characterized in that: on the connecting tube between water tank and reactor, be provided with successively under meter, macerator pump and intake pump, intake pump outlet is connected with two arms, this two arm that is provided with water intaking valve is respectively communicated with a reactor A nMBR lattice chamber again, the box reactor shell of sealing is divided into two AnMBR lattice chambers by dividing plate, between these two AnMBR lattice chambers, be provided with a communicating pipe, it is indoor that two openings of this communicating pipe lay respectively at two AnMBR lattice, and the part being positioned at communicating pipe outside housing is provided with magnetic valve, in above-mentioned each AnMBR lattice chamber, be provided with membrane module, the exit branch being connected with each membrane module is located at middle and upper part, lattice chamber, and merge into out water conduit tube by establishing valvular pipeline, this goes out the water conduit tube the other end and is connected with clear water water tank, this goes out on water conduit tube, to be provided with successively valve, water flow meter, vacuum pump and ultra violet sterilizer, above-mentioned clear water water tank sets out the mouth of a river, clear water water tank is established another water outlet, and this another water outlet is connected with backwashing pump import by establishing valvular pipeline, backwashing pump outlet with go out water conduit tube and be connected, in two AnMBR lattice chambers, high and low liquidometer is installed respectively, said pump, valve and back-purge system are all connected with automatic control system.
2. the full automatic control of one according to claim 1 naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device, it is characterized in that: in reactor shell, also add a housing, it is water storage lattice chambers, and its water-in is connected with macerator pump, and water outlet is connected with intake pump by valve.
3. the full automatic control of one according to claim 1 and 2 naval vessel anerobic sowage Membrane Bioreactor for Wastewater Treatment device, it is characterized in that: respectively establish a through hole in bottom, two AnMBR lattice chambers, they are connected with outer circulation pump inlet by the circulation line with valve respectively, this outer circulation pump discharge is connected with two arms, the through hole that one root arm is respectively established with top, AnMBR lattice chamber by two circulation lines with valve is respectively connected, and another arm being connected with outer circulation pump is excess sludge discharge pipe.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947179A (en) * | 2021-02-04 | 2021-06-11 | 光大环保技术装备（常州）有限公司 | Automatic control algorithm and control system in anaerobic ANMBR system |
| CN117164183A (en) * | 2023-11-03 | 2023-12-05 | 内蒙古驿港科技企业管理有限公司 | Device and method for treating car washing wastewater by utilizing microorganisms |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428905A (en) * | 2008-12-04 | 2009-05-13 | 山东大学 | Integral anaerobic dynamic membrane bioreactor and method of operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101428905A (en) * | 2008-12-04 | 2009-05-13 | 山东大学 | Integral anaerobic dynamic membrane bioreactor and method of operation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947179A (en) * | 2021-02-04 | 2021-06-11 | 光大环保技术装备（常州）有限公司 | Automatic control algorithm and control system in anaerobic ANMBR system |
| CN112947179B (en) * | 2021-02-04 | 2022-11-25 | 光大环保技术装备（常州）有限公司 | Automatic control algorithm and control system in anaerobic ANMBR system |
| CN117164183A (en) * | 2023-11-03 | 2023-12-05 | 内蒙古驿港科技企业管理有限公司 | Device and method for treating car washing wastewater by utilizing microorganisms |
| CN117164183B (en) * | 2023-11-03 | 2024-01-26 | 内蒙古驿港科技企业管理有限公司 | Device and method for treating car washing wastewater by utilizing microorganisms |
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Application publication date: 20140702 |