The naval vessel is with sewage vacuum discharge and treatment system
Technical field
The invention belongs to sewage disposal and discharge equipment technical field, especially relate to a kind of naval vessel with sewage vacuum discharge and treatment system.
Background technology
The naval vessel can not directly not arranged to the sea through the sewage of fine processing owing to navigate by water in the sea for a long time, and the sewage disposal on naval vessel is one always and thirsts for solving but the difficult problem of the fine solution of failing all the time.Because naval vessel self can't dispose common sewage disposal and blowdown system, because often there is problems such as taking big quantity space, water consumption, excessive, the easy obstruction of foul smell, maintenance difficult in this system on the naval vessel.Existing naval vessel domestic sewage processing system adopts biochemical process more, or physico-chemical process, or electrolytic process; The tradition biochemical treatment is to make good use of oxygen animalcule to degrade under the oxygen sufficiency, makes solid-liquid separation by precipitation again, good purification, but device volume is bigger, is difficult to arrange in limited cabin, and be subject to hull and wave and influence effluent quality; Physico-chemical process is chemical agent to be added in the sewage circulate, pulverize, precipitate, disinfect, and device volume is little, and technology is simple, but organic matter removal is not thorough, and COD can not be up to standard, and excessive sterilizing agent exceeds standard its water outlet chlorine residue; Electrolytic process is that the sewage with sea water mixing is carried out electrolysis at electrolyzer, and the NaClO of generation is directly as oxygenant and sterilizing agent, organism and bacterium in the degradation water, install little, handle fast, but Operation and Maintenance complexity, working cost height, COD, chlorine residue and pH all can not be up to standard.
Summary of the invention
The object of the present invention is to provide a kind of sewage vacuum of novel combination to collect and the aerobe treatment system, solve the defective that prior art exists.
For achieving the above object, the present invention adopts following technical scheme:
A kind of naval vessel is with sewage vacuum discharge and treatment system, comprise sewage vacuum collection device and waste disposal plant, described sewage vacuum collection device is by rotor pump unit and the airtight connection waste disposal plant of vacuum sewerage pipeline, described waste disposal plant is connected with in turn collects the macerator pump of pulverizing large granular impurity, filter the grid of suspended substance and impurity, collect the storage cabinet of sewage, remove the hair collector of hair and small granular suspended matters, biofilm reactor and sterilization equipment; Described sewage vacuum collection device comprise vacuum closet and and the intermediate collection device that is tightly connected with vacuum closet, described vacuum sewerage pipeline comprises the vacuum sewerage person in charge and vacuum sewerage arm, and described vacuum sewerage arm and vacuum sewerage are responsible for the junction and are provided with segregaion valve; Described rotor pump unit comprises with vacuum sewerage to be responsible for the rotor pump that directly links to each other and to be arranged at the vacuum pressure switch that the ingress is responsible in blowdown; Described biofilm reactor comprises reactive tank and the hollow-fibre membrane that is arranged in the reactive tank, is added with the aerobic biodegradation bacterium in the described reactive tank.Preferred scheme is: described rotor pump unit comprises main rotor pumping set and spare rotor pumping set.
The complete airtight collection blowdown system that described vacuum collection device is made up of facilities such as vacuum closet, intermediate collection device, rotor pump unit, vacuum sewerage pipelines.System utilizes the inside and outside draught head of system to realize the emptying and the transmission of sewage (buck); System utilizes the certain vacuum of formation in the blow-off line that is rotated in of rotor pump unit, under the effect of internal system vacuum and external atmosphere pressure, sewage in vacuum closet and the intermediate collection device and buck overcome the resistance of ducting and flow into the rotor pump unit and be discharged to sewage disposal device by the rotor pump unit.
The present invention compared with prior art has following advantage and beneficial effect:
The present invention adopts the sewage vacuum collection device, and the vacuum closet washing water quantity is little, under the same big volumetrical situation of excrement collecting box, can satisfy longer duration of service, can reduce the workload that follow-up dirt is handled simultaneously; The present invention adopts the power of internal system vacuum energy as sewage transmission, but so piping layout lateral arrangement even promote arrange; Higher drainage flow speed makes the vacuum drainage pipeline littler than the caliber of traditional gravity drainage pipe, has saved installing space, has reduced the use of lifting device simultaneously in installation process, has improved work efficiency greatly, has saved installation cost.Vacuum drainage system of the present invention is a water exhaust system of sealing fully, does not have any effluent seepage, also not have any foul smell excessive; And can realize the close-coupled processing of Heisui River and buck, water-fast matter and water yield load variations ability are strong; Select the strong and high-intensity hollow fiber microfiltration membrane of resistance in the membrane bioreactor of the present invention for use, be subjected to the ship movement effects little, treating processes is stable and efficient is higher, can obtain high-quality product water.Global design selected module of the present invention design can realize combination flexibly according to the hull space, is particularly suitable for the transformation and upgrade of naval vessel sewage treatment unit; The present invention not only saves space and water, arrange compact, and safety and sanitation, maintenance is convenient, has alleviated hull simultaneously and has waved influence to effluent quality, contaminant degradation efficient height, but water outlet direct reuse.
Description of drawings
Fig. 1 is a vacuum collection system flowchart of the present invention;
Fig. 2 is a vacuum closet schematic diagram of movements of the present invention;
Fig. 3 is a workflow diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details:
As shown in Figure 1, the naval vessel is with sewage vacuum discharge and treatment system, comprise vacuum collection device and waste disposal plant, the complete airtight collection blowdown system that the vacuum collection device is made up of facilities such as vacuum closet, intermediate collection device, fluid cutting machine, rotor pump unit, vacuum sewerage pipelines; The vacuum closet worker comprises major partss such as bedpan, eduction valve, water valve, flush switch and control device; The intermediate collection device comprises collection box, liquid level switch, eduction valve and control unit, and collection box is a stainless steel, and volume is 5L, be installed in the toilet interlayer or the platform of washing one's face below, be used for collecting the sewage that gravity water exit such as hand basin is discharged.After the sewage (buck) of collecting the intermediate collection device carries out tentatively impurity such as solid particulate tentatively being cut through the fluid cutting machine, system utilizes the certain vacuum of formation in the blow-off line that is rotated in of rotor pump unit, under the effect of internal system vacuum and external atmosphere pressure, sewage in vacuum closet and the intermediate collection device and buck overcome the resistance of ducting and flow into the rotor pump unit and be discharged to sewage disposal device by the rotor pump unit by vacuum sewage pipe, when liquid level reaches setting height in the collection box body, control unit makes collection box open with the eduction valve that the vacuum sewerage pipeline is connected, and the sewage in the collection box enters the vacuum sewerage pipeline by eduction valve under action of pressure.The vacuum sewerage pipeline comprises the vacuum sewerage person in charge and vacuum sewerage arm, and pipeline adopts stainless steel (316L), in the interlayer of piping layout between upper floor and lower floor's top board.The blow down branch of each toilet is responsible for the junction with blowdown all should add segregaion valve, enables to turn-off alone so that each toilet breaks down, and does not influence the work of other toilets.
The rotor pump unit comprises the rotor pump, pressure switch, valves and fittings, electrical control system etc., be used for the required vacuum of formation system and with sewage by in this rotor pump unit sewage effluent treatment facility.The major parts of rotor pump unit is the rotor pump, and this rotor pump directly links to each other with the vacuum sewerage main line, is provided with vacuum pressure switch in the ingress and controls rotor pump start and stop work, makes the vacuum tightness that remains setting in the vacuum sewerage pipeline.Unit adopts the automatically controlled mode of concentrating.Externally be reserved with communication interface, so that system remote is monitored.And physical dimension is little, convenient transportation and installation.This rotor pump has very strong suction capacity, inhales journey and can reach 8 meters.Except that carrying various thickness or containing the particulate medium, also can extract gas, have the dual function of residual sea water pump and vacuum pump concurrently, the particle diameter that this pump allows to pass through is 40mm, the pump configuration compactness, little to the medium shearing, the operation vibrations are little; Rotor pump configuration two covers, one main one is used alternatingly fully.
Present embodiment vacuum closet operating principle as shown in Figure 2, when the push button of vacuum closet or after inductive switch 1 had signal automatically, control module was touched.If the system vacuum degree can reach requirement, closet washes automatically according to the program that configures: the eduction valve 2 of closet outlet is opened, and water valve 3 is opened, and enters the vacuum sewerage pipeline under the acting in conjunction of dirt vacuum and external atmosphere pressure in pipeline in the bedpan.Water valve 3 cuts out the back automatic time delay at eduction valve 2, and to guarantee to store certain clear water in bedpan after each flushing finishes, whole flushing needs water 1.5L approximately.If the system vacuum degree does not reach requirement, then control module only makes water valve 3 open, and begins to wash closet, and when vacuum tightness reached requirement, the closet emptying entered the vacuum sewerage pipeline with sewage.The rotor pump unit links to each other with the vacuum sewerage main line, is provided with vacuum pressure switch in the ingress and controls rotor pump start and stop work, makes the vacuum tightness that remains setting in the vacuum sewerage pipeline.In order to prevent accident such as obstruction, eduction valve 2 can be connected with three-way valve 4, is running into emergency situation such as obstruction, directly surmounts to efflux, and guarantees in the ships that crewman's life of working is normal.
As shown in Figure 3, waste disposal plant is connected with in turn collects the macerator pump of pulverizing large granular impurity, filters the grid of suspended substance and impurity, collects the storage cabinet of sewage, remove hair collector, biofilm reactor and the sterilization equipment of hair and small granular suspended matters.
The sanitary sewage that boats and ships produce is pulverized through collecting earlier; The macrobead suspended solid material behind the macerator pump dispersion and fining, enters the sewage storage cabinet through grid successively.Arrive the hair collector through pump delivery, enter into MBR(membrane bioreactor after removing hair and small granular suspended matters) reactive tank, under the condition of oxygenation, utilize itch biological degradation bacterium and nitrobacteria etc. of getting well of MBR reactive tank to clear up organic pollutant in the sewage, become harmless carbonic acid gas and water; Aerobic bacteria obtains breeding simultaneously, and organism is further cleared up; Utilize the selection perviousness of hollow fiber microfiltration membrane to realize biomagnification in the aeration tank making biological treatment efficient increase substantially, the sewage after the biological treatment obtains clean water behind membrane sepn simultaneously.Pass through the NaClO contact sterilizing after emptying pump drains into out of my cabin at last.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.