CN107032514A - With the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function - Google Patents
With the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function Download PDFInfo
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- CN107032514A CN107032514A CN201610013774.7A CN201610013774A CN107032514A CN 107032514 A CN107032514 A CN 107032514A CN 201610013774 A CN201610013774 A CN 201610013774A CN 107032514 A CN107032514 A CN 107032514A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 230000003628 erosive effect Effects 0.000 title claims abstract description 56
- 239000000126 substance Substances 0.000 title claims abstract description 34
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 29
- 244000000010 microbial pathogen Species 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 12
- 230000008602 contraction Effects 0.000 claims description 14
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 239000003651 drinking water Substances 0.000 abstract description 8
- 235000020188 drinking water Nutrition 0.000 abstract description 8
- 238000005660 chlorination reaction Methods 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 239000006227 byproduct Substances 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- GATVIKZLVQHOMN-UHFFFAOYSA-N Chlorodibromomethane Chemical compound ClC(Br)Br GATVIKZLVQHOMN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- FMWLUWPQPKEARP-UHFFFAOYSA-N bromodichloromethane Chemical compound ClC(Cl)Br FMWLUWPQPKEARP-UHFFFAOYSA-N 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 210000000234 capsid Anatomy 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of cavitation and cavitation erosion water treatment system for having and removing Recalcitrant chemicals and sterilizing function, its drip irrigation device is its grid pond for including being used for removing floating object in waste water or raw water, the spiral-flow type desilting device for removing suspended solid in used water difficult to degradate or raw water or silt and the venturi type cavitation and cavitation erosion reactor for producing cavitation and cavitation erosion effect to remove the Recalcitrant chemicals in waste water or kill the pathogenic microorganism in raw water, and the grid pond, spiral-flow type desilting device are combined and connected successively with venturi type cavitation and cavitation erosion reactor.The cavitation and cavitation erosion water treatment system of the present invention can remove floating object, suspended solid or silt in waste water or raw water, Recalcitrant chemicals and pathogenic microorganism by grid pond, spiral-flow type desilting device and venturi type cavitation and cavitation erosion reactor successively, so that improving wastewater treatment and the effect of drinking water disinfection, any medicine or reagent need not be added, in the absence of chlorination byproduct DBPs harm.
Description
Technical field
The present invention relates to a kind of water treatment system, in particular, it is related to a kind of cavitation and cavitation erosion water treatment system for having and removing Recalcitrant chemicals and drinking water disinfection function in waste water.
Background technology
With the fast-developing of China's economy, the quickening of urbanization process, the composition of Recalcitrant chemicals becomes increasingly complex in the production waste water of the industry discharge such as food, manufacture and printing and dyeing, and the pollution to water body is also increasingly extensively and serious, threatens the health and safety of the mankind.These pollutant strong toxicities, colourity are high, B/C is low, and biodegradability is poor, it is difficult to biodegradable, and traditional method of wastewater treatment is difficult to meet the requirement improved constantly in terms of the multi-functional of processing, efficient stable and economic rationality.At the same time, drinking water source contains various pathogenic microorganisms, such as bacterium, virus, protozoan also therefore by different degrees of pollution in water.Pathogenic microorganism can make one and zoogenetic infection disease, and be discharged into water body by sanitary sewage and spread disease.Early in 19 end of the centurys, it is theoretical that French microbiologist Pasteur, German doctor Koch just propose " disease bacteriology ".Thereafter, German biochemist Traube proposes to add bleaching powder to kill the pathogenic microorganism in raw water, that is, sterilizes raw water in water engineering with chlorine and, to prevent water from spreading disease, turn into the routine techniques of drinking water disinfection always since then.But discovered in recent years, chlorine generates chemical disinfection byproducts DBPs while sterilization with organic compound reaction in water, wherein most commonly seen DBPs is haloform THMs（That is chloroform, chlorodibromomethane, Dichloro-monobromo methane, the general name of bromoform）, halogen acetic acid HAAs etc., these byproducts have " three cause "（Carcinogenic, teratogenesis, mutagenesis）Effect, seriously threatens the healthy of people.In addition, pathogenic microorganism is generally assembled in water with bacterium colony, spore form, chlorination can only kill the pathogenic microorganism positioned at top layer, it is difficult to kill the pathogenic microorganism for being hidden in inside.The flocculation of fine sediment can entrain into pathogenic microorganism and wherein protect it from chlorination in water, and some pathogenic microorganisms have the ability of resistance chlorination.In addition, the cost of Chlorine sterilization is very high, the cycle disinfected is longer.As can be seen here, no matter in terms of wastewater treatment, or drinking water treatment, a kind of not only safety but also economic water process new technology are all needed badly.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of floating object that can be removed in waste water or raw water, suspended solid or silt, Recalcitrant chemicals and pathogenic microorganism so that improves the cavitation and cavitation erosion water treatment system of wastewater treatment and drinking water disinfection effect.
To achieve the above object, the invention provides following technical scheme：It is a kind of that there is the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, its grid pond for including being used for removing floating object in waste water or raw water, the spiral-flow type desilting device for removing suspended solid in used water difficult to degradate or raw water or silt and the venturi type cavitation and cavitation erosion reactor for producing cavitation and cavitation erosion effect to remove the Recalcitrant chemicals in waste water or kill the pathogenic microorganism in raw water, the grid pond, spiral-flow type desilting device are combined and connected successively with venturi type cavitation and cavitation erosion reactor.
The present invention is further arranged to：The grid pond is provided with water inlet and delivery port, and waste water or raw water flow to delivery port, delivery port connection spiral-flow type desilting device from water inlet.
The present invention is further arranged to：Some road grids are provided with the grid pond, the gap of the grid close to water outlet is more than close to the gap of the grid of water inlet.
The present invention is further arranged to：The spiral-flow type desilting device includes cylinder, truncated cone and silt collecting box successively from top to bottom to be vertically arranged.
The present invention is further arranged to：Dividing plate is provided with the cylinder, by dividing plate cylinder be divided into above and below two layers, being connected up and down by overflow pipe between two layers in overflow pipe, cylinder is set on the dividing plate, the lower floor of cylinder is provided with water inlet pipe at dividing plate, and the upper strata of cylinder is provided with outlet pipe at dividing plate.
The present invention is further arranged to：Rectangle nozzle is connected between the water pipe and cylinder, the rectangle nozzle is tangentially into cylinder.
The present invention is further arranged to：Larger one end of the truncated cone connects the lower floor of cylinder, smaller one end connection silt collecting box of truncated cone, rotated by water inlet pipe waste water or raw water in truncated cone, separated by the suspended solid or silt in the centrifugal force waste water or raw water of rotation from current, under be sunken to the bottom of truncated cone, and flow into silt collecting box, the clear water being purified rises to the upper strata of cylinder by overflow pipe, and is flowed out by outlet pipe.
The present invention is further arranged to：The top of the cylinder is provided with steam vent, and the outer wall of the truncated cone is provided with the support for connecting silt collecting box, and the bottom of the silt collecting box is provided with evacuated tube.
The present invention is further arranged to：The venturi type cavitation and cavitation erosion reactor includes contraction section, throat and the diffuser for combining connection successively.
The present invention is further arranged to：The venturi type cavitation and cavitation erosion reactor separately designs the throat of different draw ratios, diffuser/contraction section, diffuser/contraction section of different angle of flare/angle of throat, and flexible independent assortment is to realize the venturi type cavitation and cavitation erosion reactor of various combination pattern.
Present invention tool has the advantage that：Floating object, suspended solid or silt in waste water or raw water, Recalcitrant chemicals and pathogenic microorganism can be removed successively by grid pond, spiral-flow type desilting device and venturi type cavitation and cavitation erosion reactor, so that improving wastewater treatment and the effect of drinking water disinfection, and the equipment in cavitation and cavitation erosion water treatment system is simple, make it possible to reduce the maintenance cost of equipment, and reaction condition can be controlled to improve treatment effeciency；If being set by the grid of arterial highway, and be more than close to the grid gap of water inlet close to the grid gap of delivery port, flow to delivery port from water inlet by waste water or raw water successively can be filtered the floating object in current from larger diameter to small diameter, make it possible to improve filter effect, and avoid grid of the big particle diameter floating object obstruction close to water outlet；By setting rectangle nozzle, and rectangle nozzle is tangentially arranged on the inner surface of cylinder so that the waste water or raw water entered in cylinder can carry out rotation in cylinder and form centrifugal force；By setting steam vent, the steam vent that the air-flow at rotary water current center then passes through barrel top is discharged, it is to avoid the too high situation for causing to damage of air pressure in spiral-flow type desilting device；Set support to stablize the structural stability between truncated cone and silt collecting box, by setting evacuated tube, be capable of the operating process of the easy taking-up silt out of silt collecting box, further increase operating efficiency；Pass through the combination successively of the contraction section of venturi type cavitation and cavitation erosion reactor, throat and diffuser, pathogenic microorganism during raw water can be killed in the case where that need not add any medicine or reagent, be endangered in the absence of chlorination byproduct DBPs, the Recalcitrant chemicals in waste water can quickly be removed so that improve the effect of water process.
Brief description of the drawings
Fig. 1 has the structural representation for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function for the present invention；
Fig. 2 has the grid pond structural representation for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function for the present invention；
Fig. 3 has the spiral-flow type desilting device facade structures figure for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function for the present invention；
Fig. 4 has the spiral-flow type desilting device top view for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function for the present invention；
Fig. 5 has the venturi type cavitation and cavitation erosion structure of reactor schematic diagram for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function for the present invention；
Fig. 6 has the structural representation that each throat for the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function combines with diffuser/contraction section for the present invention.
In figure：1st, grid pond；2nd, spiral-flow type desilting device；3rd, venturi type cavitation and cavitation erosion reactor；4th, water inlet；5th, delivery port；6th, grid；7th, cylinder；8th, truncated cone；9th, silt collecting box；10th, dividing plate；11st, overflow pipe；12nd, water inlet pipe；13rd, outlet pipe；14th, rectangle nozzle；15th, steam vent；16th, support；17th, evacuated tube；18th, contraction section；19th, throat；20th, diffuser.
Embodiment
Referring to figs. 1 to shown in 6, the a kind of of the present embodiment has the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, its grid pond 1 for including being used for removing floating object in waste water or raw water, the spiral-flow type desilting device 2 for removing suspended solid in used water difficult to degradate or raw water or silt and the venturi type cavitation and cavitation erosion reactor 3 for producing cavitation and cavitation erosion effect to remove the Recalcitrant chemicals in waste water or kill the pathogenic microorganism in raw water, the grid pond 1, spiral-flow type desilting device 2 are combined and connected successively with venturi type cavitation and cavitation erosion reactor 3.
The grid pond 1 is provided with water inlet 4 and delivery port 5, and waste water or raw water flow to delivery port 5, the connection spiral-flow type desilting of delivery port 5 device 2 from water inlet 4.
Some road grids 6 are provided with the grid pond 1, the gap of the grid 6 at water inlet 4 is more than the gap of the grid 6 at delivery port 5.
The spiral-flow type desilting device 2 includes cylinder 7, truncated cone 8 and silt collecting box 9 successively from top to bottom to be vertically arranged.
Dividing plate 10 is provided with the cylinder 7, by 10 cylinder of dividing plate, 7 points are two layers up and down, overflow pipe 11 is set on the dividing plate 10, being connected up and down by overflow pipe 11 between two layers in cylinder 7, the lower floor of cylinder 7 is provided with water inlet pipe 12 at dividing plate 10, and the upper strata of cylinder 7 is provided with outlet pipe 13 at dividing plate 10.
Rectangle nozzle 14 is connected between the water pipe and cylinder 7, the rectangle nozzle 14 is tangentially into cylinder 7.
Larger one end of the truncated cone 8 connects the lower floor of cylinder 7, smaller one end connection silt collecting box 9 of truncated cone 8, rotated by the waste water of water inlet pipe 12 or raw water in truncated cone 8, separated by the suspended solid or silt in the centrifugal force waste water or raw water of rotation from current, under be sunken to the bottom of truncated cone 8, and flow into silt collecting box 9, the clear water being purified rises to the upper strata of cylinder 7 by overflow pipe 11, and is flowed out by outlet pipe 13.
The top of the cylinder 7 is provided with steam vent 15, and the outer wall of the truncated cone 8 is provided with the support 16 for connecting silt collecting box 9, and the bottom of the silt collecting box 9 is provided with evacuated tube 17.
The venturi type cavitation and cavitation erosion reactor 3 includes contraction section 18, throat 19 and the diffuser 20 for combining connection successively.
The venturi type cavitation and cavitation erosion reactor 3 separately designs the throat 19 of different draw ratios, the contraction section 18 of diffuser 20/, the contraction section 18 of diffuser 20/ of different angle of flare/angle of throat, flexible independent assortment is to realize the venturi type cavitation and cavitation erosion reactor 3 of various combination pattern.
By using above-mentioned technical proposal, used water difficult to degradate or raw water first flow through grid pond 1 to remove the floating object in water removal, then spiral-flow type desilting device 2 is flowed into remove suspended solid or silt in water removal, and waste water or raw water after clarification flow into venturi type cavitation and cavitation erosion reactor 3.Current are by entering throat 19 after Venturi tube contraction section 18, pressure drastically declines, when water flow pressure is less than the saturated vapor pressure under relevant temperature, vacuolization cavitation current are produced in throat 19, vacuole enters the pressure rise of downstream diffuser 20 with current can make bubble collapse occur cavitation corrosion effect.Huge energy can be discharged during bubble collapse within the extremely short time, produce superhigh temperature, super-pressure, liquid is cracked into active hydrogen atom and free hydroxyl under the effect of this high-energy, restructuring forms hydrogen peroxide, free group has strong oxidizing property, can effectively be degraded complicated organic matter, bio-refractory thing etc..Meanwhile, shock wave, the microjet produced during bubble collapse can make pathogenic microorganism（Bacterium, virus, protozoan）Cell, capsid occur cavitation erosion.
Floating object, suspended solid or silt in waste water or raw water, Recalcitrant chemicals and pathogenic microorganism can be removed successively by grid pond 1, spiral-flow type desilting device 2 and venturi type cavitation and cavitation erosion reactor 3, so that improving wastewater treatment and the effect of drinking water disinfection, and the equipment in cavitation and cavitation erosion water treatment system is simple, make it possible to reduce the maintenance cost of equipment, and reaction condition can be controlled to improve treatment effeciency.
If being set by the grid 6 of arterial highway, and be more than close to the gap of grid 6 of water inlet 4 close to the gap of grid 6 of delivery port 5, flow to delivery port 5 from water inlet 4 by waste water or raw water successively can be filtered the floating object in current from larger diameter to small diameter, make it possible to improve filter effect, and avoid grid 6 of the big particle diameter floating object obstruction at delivery port 5.
By setting rectangle nozzle 14, and rectangle nozzle 14 is tangentially arranged on the inner surface of cylinder 7, enable and form centrifugal force in the interior progress rotation of cylinder 7 into the waste water or raw water in cylinder 7, by setting steam vent 15, the air-flow at rotary water current center is then discharged by the steam vent 15 at the top of cylinder 7, avoid the too high situation for causing to damage of air pressure in spiral-flow type desilting device 2, support 16 is set to stablize the structural stability between truncated cone 8 and silt collecting box 9, by setting evacuated tube 17, it is capable of the operating process of the easy taking-up silt out of silt collecting box 9, further increase operating efficiency.
Pass through the combination successively of the contraction section 18 of venturi type cavitation and cavitation erosion reactor 3, throat 19 and diffuser 20, Recalcitrant chemicals can quickly be removed, pathogenic microorganism during raw water can be killed in the case where that need not add any medicine or reagent, be endangered in the absence of chlorination byproduct DBPs so that improve water treatment efficiency.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：Its grid pond for including being used for removing floating object in waste water or raw water, the spiral-flow type desilting device for removing suspended solid in used water difficult to degradate or raw water or silt and the venturi type cavitation and cavitation erosion reactor for producing cavitation and cavitation erosion effect to remove the Recalcitrant chemicals in waste water or kill the pathogenic microorganism in raw water, the grid pond, spiral-flow type desilting device are combined and connected successively with venturi type cavitation and cavitation erosion reactor.
2. according to claim 1 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：The grid pond is provided with water inlet and delivery port, and waste water or raw water flow to delivery port, delivery port connection spiral-flow type desilting device from water inlet.
3. according to claim 2 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：Some road grids are provided with the grid pond, the gap of the grid close to water outlet is more than close to the gap of the grid of water inlet.
4. according to claim 1 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：The spiral-flow type desilting device includes cylinder, truncated cone and silt collecting box successively from top to bottom to be vertically arranged.
5. according to claim 4 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：Dividing plate is provided with the cylinder, by dividing plate cylinder be divided into above and below two layers, being connected up and down by overflow pipe between two layers in overflow pipe, cylinder is set on the dividing plate, the lower floor of cylinder is provided with water inlet pipe at dividing plate, and the upper strata of cylinder is provided with outlet pipe at dividing plate.
6. according to claim 5 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：Rectangle nozzle is connected between the water pipe and cylinder, the rectangle nozzle is tangentially into cylinder.
7. according to claim 6 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：Larger one end of the truncated cone connects the lower floor of cylinder, smaller one end connection silt collecting box of truncated cone, rotated by water inlet pipe waste water or raw water in truncated cone, separated by the suspended solid or silt in the centrifugal force waste water or raw water of rotation from current, under be sunken to the bottom of truncated cone, and flow into silt collecting box, the clear water being purified rises to the upper strata of cylinder by overflow pipe, and is flowed out by outlet pipe.
8. according to claim 7 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：The top of the cylinder is provided with steam vent, and the outer wall of the truncated cone is provided with the support for connecting silt collecting box, and the bottom of the silt collecting box is provided with evacuated tube.
9. according to claim 1 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：The venturi type cavitation and cavitation erosion reactor includes contraction section, throat and the diffuser for combining connection successively.
10. according to claim 9 have the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function, it is characterised in that：The venturi type cavitation and cavitation erosion reactor separately designs the throat of different draw ratios, diffuser/contraction section, diffuser/contraction section of different angle of flare/angle of throat, and flexible independent assortment is to realize the venturi type cavitation and cavitation erosion reactor of various combination pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610013774.7A CN107032514A (en) | 2016-01-08 | 2016-01-08 | With the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610013774.7A CN107032514A (en) | 2016-01-08 | 2016-01-08 | With the cavitation and cavitation erosion water treatment system for removing Recalcitrant chemicals and sterilizing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879437A (en) * | 2017-11-17 | 2018-04-06 | 浙江工业大学 | Multiaperture-type cavitation and cavitation erosion chlorination equipment |
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Application publication date: 20170811 |