A kind of liquid cavitation sewage treating machine
Technical field
The utility model relates to Sewage treatment systems, particularly utilizes the Sewage treatment systems of liquid cavitation.
Background technology
Oxygenant is filtered, adds in domestic main utilization in this field at present, modes such as gas, biological mud are carried out sewage disposal cruelly.This method is difficult to the macromolecular organic compound in the abundant degradation liquid, and treatment effect is limited, and site area is big, and the treatment time is long, and part of auxiliary price height is difficult to play one's part to the full.As Chinese patent application number is the application for a patent for invention file of CN200810139592.X, open day is on January 14th, 2009, the method of a kind of Hydrodynamic cavitation and ozone coupling treatment of sewage water is disclosed, it is characterized in that by by impeller pump, the cavitation effect that utilizes the Hydrodynamic cavitation generation that ozonizer and cavitation producer are formed and the strong oxidation of ozone and coupling sewage treatment are realized, the ozone that ozonizer is produced mixes and together enters the cavitation producer in the sewage, cavitation effect takes place in the cavitation producer, the microjet that produces by cavitation zone increases the contact area of ozone with sewage, the gas nuclear amount and the gas nuclear that prolong the action time of ozone in sewage and change in the sewage distribute, aerobic substance in the degradation of sewage, improve the coupling effect of cavitation and ozone, reach the purpose that reduces COD of sewage, and can adjust processing progression as required, the sewage after guaranteeing to handle meets the requirements of the COD index.But the cavitation efficient of the cavitation producer in the such scheme is lower, is difficult to the real complete cavitation that reaches.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of reinforcement oxidising process is provided, and gives full play to the oxygenant effect, the liquid cavitation sewage treating machine of high organic compound in the moment degradation liquid.
A kind of liquid cavitation sewage treating machine that provides according to the utility model, comprise the auxiliary agent adding set, liquid-inlet pipe, the cavitation chamber, throw out filtration unit and drain pipe, described auxiliary agent adding set is connected with described liquid-inlet pipe, described cavitation chamber comprises inner chamber and the exocoel that nests together, be provided with the cavitation power set in the wherein said inner chamber, be provided with dividing plate between described inner chamber and the described exocoel, described dividing plate is provided with a plurality of liquid molecular bond bursting devices, described inner chamber is communicated with described liquid-inlet pipe, described exocoel is connected with described throw out filtration unit, described throw out filtration unit is communicated with described drain pipe, after sewage enters described inner chamber, driven by described cavitation power set, be ejected in the described exocoel through described liquid molecular bond bursting device, sewage forms the cavitation reaction in described exocoel.
A kind of liquid cavitation sewage treating machine that provides according to the utility model also has following attached technical characterictic:
Described liquid molecular bond bursting device is the nozzle with tapered through hole, and its wide mouth end is over against the inner chamber in cavitation chamber, and slot is rectified the exocoel to the cavitation chamber.
The slot end of described nozzle is 1 with the area ratio of wide mouth end: 1.1-1: 9.9.
The diameter of described nozzle wide mouth end is 1 with the length of through hole ratio: 1.5-1: 50.
The equidistant circumferential that is of described nozzle is arranged.
Described cavitation power set is impeller, turbine, screw rod, piston or notes plug, and one group of cavitation power set is set at least, and described cavitation power set is driven by external motive device.
Also comprise circulation cavitation pipeline, an end of described circulation cavitation pipeline is connected with described drain pipe, and an other end is connected with described liquid-inlet pipe.
Also comprise Pump for giving-out, described Pump for giving-out is connected with described drain pipe.
The front end in described cavitation chamber is provided with the opening and closing type end cap.
Described throw out filtration unit is filtering net or reverse osmosis membrane.
A kind of liquid cavitation sewage treating machine that provides according to the utility model compared with prior art has following advantage: at first, the utility model by the cavitation power set with the sewage that adds in proportion behind the oxygenant, suck cavitation chamber inner chamber through liquid-inlet pipe, force to pass through liquid molecular bond bursting device through pressurization, produce the cavitation reaction at cavitation chamber exocoel, interrupt the material molecular linkage, increased intermolecular contact area, strengthen the chemical effect of oxygenant, strengthen the chemical reaction degree of depth, the high organic compound of degraded makes it flocculation sediment rapidly.Throw out is discharged by filtration unit, and the liquid liquid in-out pipe after the processing enters next link or directly discharging.Secondly, the structure of exocoel in the utility model adopts, at inner chamber the cavitation power set is set, can will directly send in the liquid molecular bond bursting device after the sewage pressurization, sewage is forced to pass through liquid molecular bond bursting device through pressurization, exocoel in the cavitation chamber produces the cavitation reaction, has reduced the consumption of oxygenant, has saved processing cost.Once more, the utility model occupied ground is little, and facility investment is few, can install with other, equipment is connected use, and matching is strong.
Description of drawings
Fig. 1 is a structure cross-sectional schematic of the present utility model.
Fig. 2 is the structure cross-sectional schematic that a left side of the present utility model is looked.
Fig. 3 is the A place enlarged view among Fig. 1.
Fig. 4 is the structure cross-sectional schematic of another kind of embodiment of the present utility model.
Embodiment
Referring to Fig. 1 and Fig. 2, the embodiment of a kind of liquid cavitation sewage treating machine that provides at the utility model, comprise auxiliary agent adding set 1, liquid-inlet pipe 2, cavitation chamber 3, throw out filtration unit 11 and drain pipe 4, described auxiliary agent adding set 1 is connected with described liquid-inlet pipe, described cavitation chamber 3 comprises inner chamber 31 and the exocoel 32 that nests together, be provided with cavitation power set 5 in the wherein said inner chamber 31, be provided with dividing plate 33 between described inner chamber 31 and the described exocoel 32, described dividing plate 33 is provided with a plurality of liquid molecular bond bursting devices 6, described inner chamber 31 is communicated with described liquid-inlet pipe 2, described exocoel 32 is connected with described throw out filtration unit 11, described throw out filtration unit 11 is communicated with described drain pipe 4, after sewage enters described inner chamber 31, drive by described cavitation power set 5, be ejected in the described exocoel 32 through described liquid molecular bond bursting device 6, sewage forms the cavitation reaction in described exocoel 32.The utility model mixes sewage and auxiliary agent, mixed sewage is transported in the described cavitation chamber 3 by described liquid-inlet pipe 2, in the inner chamber 31 in described cavitation chamber 3, cavitation power set 5 is pressurizeed sewage, and force by described liquid molecular bond bursting device 6, make it in exocoel 32, produce the cavitation reaction, this cavitation reaction can interrupt liquid molecular bond, increased intermolecular contact area, strengthen the chemical effect of oxygenant, strengthen the chemical reaction degree of depth, the high organic compound of degrading rapidly makes it flocculation sediment.11 pairs of sedimentary sewage of described throw out filtration unit filter, and throw out is discharged by sewage draining exit, and treated water can reach emission standard, directly discharging.By cavatition, improved the speed and the effect of sewage disposal greatly.
The cavitation chamber that the utility model is nested inside and outside adopting, and in inner chamber 32, sewage is pressurizeed, can make sewage directly be forced through liquid molecular bond bursting device 6, reach reasonable cavitation effect.Volume of the present utility model is little, and occupied ground is less, and is fit to be connected with other equipment, and suitability is good.
Referring to Fig. 1, Fig. 2 and Fig. 3, in the foregoing description that the utility model provides, described liquid molecular bond bursting device 6 is for having the nozzle of tapered through hole, and its wide mouth end 61 is over against the inner chamber 31 in cavitation chamber 3, and slot end 62 is over against the exocoel 32 in cavitation chamber 3.After liquid molecular bond bursting device 6 in the utility model can make sewage pass through at a high speed, in the moment of ejection the cavitation reaction takes place, thereby make the sewage molecular scission, and mix again in exocoel 32, thereby can make sewage reach homogenizing effect preferably.
Referring to Fig. 3, in the foregoing description that the utility model provides, the slot end 62 of described nozzle is 1 with the area ratio of wide mouth end 61: 1.1-1: 9.9.Present embodiment is 1: 4.Described wide mouth end 61 can be collected more sewage, is compressed after sewage enters, thereby can improves the speed of ejection, improves the cavitation effect.Slot end 62 in the present embodiment is meant the minimum diameter position of nozzle, and wide mouth end 61 is meant the position of the maximum diameter of nozzle.
Referring to Fig. 3, in the foregoing description that the utility model provides, the diameter D of described nozzle wide mouth end 61 is 1 with the length L ratio of through hole: 1.5-1: 50.Present embodiment is 1: 3.The hollow via-hole length of nozzle of the present utility model is greater than the diameter of the wide mouth end of nozzle, thereby sewage is fully quickened in nozzle, reaches than higher spouting velocity.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, described liquid molecular bond bursting device 6 is according to geometric arrangements, and the equidistant circumferential that is of the described nozzle of present embodiment is arranged.Cavitation of the present utility model chamber is cylinder or rectangular, square die cavity body, and described liquid molecular bond bursting device 6 can be that many rows form is arranged, and also can be equidistantly not arrange.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, described cavitation power set 5 is impeller, turbine, screw rod, piston or notes plug, and one group of cavitation power set is set at least, and described cavitation power set 5 is driven by external motive device.Present embodiment is an impeller, and the electrode drive that is positioned at outside the cavitation chamber 3 is arranged, and after the impeller rotation, sewage is pressurizeed.The cavitation power set of present embodiment is one group.Referring to Fig. 4, among the another kind of embodiment that the utility model provides, cavitation power set 5 is two groups, every group of cavitation power set 5 corresponding discharge opeing body molecular bond bursting devices 6, thus can improve the cavitation speed of sewage.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, also comprise circulation cavitation pipeline 7, an end of described circulation cavitation pipeline 7 is connected with described drain pipe 42, and an other end is connected with described liquid-inlet pipe 2.In order to improve wastewater treatment efficiency, can carry out cavitation once more for the water in the drain pipe 42.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, also comprise Pump for giving-out 8, described Pump for giving-out 8 is connected with described drain pipe 41.Described Pump for giving-out 8 can be with the sewage in the exocoel 32 through drain pipe 41 sucking-offs.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, the front end in described cavitation chamber 3 is provided with opening and closing type end cap 34.Described end cap 34 can be opened or cover, thereby is beneficial to the cleaning to cavitation chamber 3.