CN100430326C - Self exciting oscillation pipeline type flocculating device - Google Patents
Self exciting oscillation pipeline type flocculating device Download PDFInfo
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- CN100430326C CN100430326C CNB2006100541046A CN200610054104A CN100430326C CN 100430326 C CN100430326 C CN 100430326C CN B2006100541046 A CNB2006100541046 A CN B2006100541046A CN 200610054104 A CN200610054104 A CN 200610054104A CN 100430326 C CN100430326 C CN 100430326C
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Abstract
The present invention relates to a pipeline type flocculator for water treatment, particularly to a self-oscillation pipeline type flocculator. The flocculator is applied to the operations of flocculation, precipitation, flotation, etc. in treatment engineering of water supplies, industrial wastewater or municipal wastewater. The pipeline type flocculator for water treatment comprises a water nozzle, a hybrid chamber, an upper nozzle body, a self-oscillation chamber, a lower nozzle body and a connection tube, all of which are orderly sealed and are in fixed connection. The flocculator also comprises a dosing cupping, a flow regulating valve and a conveying pipe for flocculating agent solution, all of which are orderly sealed and are in fixed connection, wherein the outlet end of the conveying pipe for flocculating agent solution is fixedly communicated with the hybrid chamber. The flocculator effectively improves the bridging and the adsorption effects of flocculating agent particles on colloidal particles, and thus, flocculation efficiency is improved. Under the condition of no need of auxiliary devices, the pressure amplitude of pulse flows is 15 to 30% higher than that of incoming flows; traditional technical processes of dosing, stir, mixing adjustment, etc. can be replaced; the pipeline type flocculator for water treatment has the advantages of good flocculation effect, reduced energy consumption, lowered civil engineering cost and increased economic index of water treatment.
Description
Technical field:
The present invention relates to a kind of water treatment duct type flocculator, be used for feeding water, in the operations such as the flocculation of trade effluent or domestic sewage treating engineering, precipitation, flotation.
Background technology:
Flocculation occupies considerable status in feedwater and wastewater treatment, obtained widespread use, and it is the basis that precipitation, flotation etc. are handled.Traditional flocculation mode needs the mechanical type whipping appts that flocculation agent is mixed in equalizing tank usually, and required flocculation time reaches 20-30min, even the longer time, and energy consumption height and utilising efficiency are low.Therefore, high speed, the high efficiency in research flocculation stage are the problems that people pay close attention to always.On the other hand, environmental protection equipment blocking, canalization, serialization have become the trend of current development.
Sun Zhe (novel vortex-grid coagulating mechanism experiment research, " water supply and drainage ", 1994.7) think that ducted rotary water current provides condition for contact, the collision of different flocculated particles, make the flocculation particle closely knit, this is extremely necessary when flocculation is initial.Its mentality of designing is to allow the processed water that has mixed flocculation agent flow into pipe step by step, produces same direction and continues rotation, will make current form orderly vortex.But the mode of this generation rotating jet is bigger to the pressure-losses, and mixed effect is also not as mechanical stirring mode height.
Li Mingjun (pipeline mobile flocculation progress and analysis thereof, " water technology " 1997.23 (2)) has estimated correlation parameter to the residence time of flocculation and the influence of flocculating effect from flocculation kinetics, stirring intensity.He thinks, might finish the whole process of flocculation in a segment pipe.Because in the initial short mix stage that forms micro-floccule, the formation of micro-floccule and fluid dynamics factor (micro-vortex yardstick etc.) are closely related; Grow up the stage at alumen ustum, collision frequency between the micro-floccule of certain granules size distribution and appropriate collision energy will become the important factor that the micro-floccule cohesion is grown up, and be the important factors of seeking efficient flocculating on engineering is used.This also is the problem that the duct type flocculator need solve.
Hu Wanli (" coagulation coagulating agent coagulation apparatus ", Chemical Industry Press, calendar year 2001) introduces, and the dosing mode of flocculation agent can be divided into does two kinds of the throwings of throwing and wet.Dried throwing is meant solid-state flocculation agent is directly dropped in the processed water or waste water without dissolving.Wet throwing is meant flocculation agent is made into the aqueous solution earlier, and then is used for water or wastewater treatment.For flocculation agent best effort strength of solution, still there is not final conclusion.In general, Tai-Ace S 150 is thrown in to well with the dilute solution form, and iron trichloride with do throw or the input of strong solution form for well.
In addition, Hu Wanli has also introduced several part automatic chemical dosing devices of having developed use: Shanghai Running-water Company utilizes inclined tube simulation sedimentation effect to control automatically and adds dose according to flooding velocity; Shanghai water factory of general petrochemicals factory utilizes raw water quality (turbidity, temperature, pH value etc.) and post precipitation water quality to set up mathematical model to carry out automatic chemical dosing; The former water ξDian Wei value of units such as Harbin Institute of Technology after according to dosing regulated automatically and added dose.Its principle of work generally is by raw water flow transmission device output analog current mark, add dose according to raw water flow and the automatic control of turbidity variation, or adjusting adds dose according to delivery turbidity, promptly passes through the mathematic(al) mode of turbidity deviation, drive variable valve with the electric current mark, change adds dose.
At present, few to the document of pipeline flocculation research both at home and abroad, yet there are no the introduction of the duct type flocculator that more system is more perfect.
Utility model patent numbers 89201391.5, its name is called " tooth-wheel bit oscillation pulsed water jet nozzle ".This nozzle is made up of upper and lower two nozzle bodies, the upper spray nozzle body is made up of flow-guiding mouth, upper spray nozzle and self-sustained oscillation chamber three parts, the profile of upper spray nozzle body is a ladder right cylinder, the intravital nozzle flow channel of cylinder is made up of two index curved surfaces and three cylindrical surface, the top of following nozzle body is a curved surface Rotary-table, low profile is that ladder is cylindrical, and the inner flow passage hole of following nozzle body is a cylindrical hole.
Summary of the invention:
The object of the present invention is to provide a kind of self exciting oscillation pipeline type flocculating device.This flocculator is under the condition of supplementary unit, rely on the strong shearing action of self-sustained oscillation cavity to flocculant solution and water generates, make flocculant solution and water thorough mixing in the duct type flocculator, form with pulsing jet sprays then, the pressure-losses of pipeline flocculator is less, and improves the turbulent fluctuation hydraulics of flocculation effectively, improves flocculation efficiency, and, regulate control flocculant solution flow according to dosage.
For achieving the above object, the present invention has adopted the design principle of " tooth-wheel bit oscillation pulsed water jet nozzle ".This flocculator comprises water spouting nozzle, mixing chamber, the upper spray nozzle body, the self-sustained oscillation cavity, following nozzle body, take over, grug feeding jar, flow control valve and flocculant solution transfer lime, have one to be the through hole that 12-14 ° taper hole constitutes in the water spouting nozzle by circular hole and cone angle, the profile of the taper hole end of water spouting nozzle is that cone angle is 25-35 ° a truncated cone-shaped, mixed cavity is a cylinder, one open pore is arranged in the mixing chamber, on the front end end face of mixed cavity a hole that communicates with the intravital open pore in mixed chamber is arranged, hole on the front end end face of water spouting nozzle and mixing chamber is sealedly and fixedly connected, the upper spray nozzle body is a cylinder, it is the formed revolution cavity of the straight line or the monobasic equation of higher degree that bus is arranged in the front end of upper spray nozzle body, there is the interior revolution cavity of an outlet opening and upper spray nozzle body front end to communicate in the rear end of upper spray nozzle body, after being sealedly and fixedly connected, upper spray nozzle body and mixing chamber constitute hybrid chamber, the truncated cone-shaped end of water spouting nozzle is positioned at this hybrid chamber, the exit diameter of water spouting nozzle is d, the truncated cone-shaped end end face of water spouting nozzle is (0.5-2.5) d to the distance of the outlet opening front end end face of upper spray nozzle body, the outlet opening diameter D of upper spray nozzle body is 1.4-1.8 with the ratio of the outlet opening diameter d of water spouting nozzle, the self-sustained oscillation cavity that 1-3 is cylinder successively co-axial seal fixedly connected after, the inlet nose end of its front end is sealedly and fixedly connected and communicates with the outlet nose end of upper spray nozzle body, it is straight line or index curve revolution cavity that bus is all arranged in these self-sustained oscillation cavitys, the revolution cavity communicates with the revolution cavity, wherein, cone angle is respectively arranged on the front end end face of 2-3 self-sustained oscillation cavity is 100-120 ° and lay respectively at truncated cone-shaped impact walls in the revolution cavity rear end of previous self-sustained oscillation cavity, following nozzle body is a cylinder, it is 100-120 ° truncated cone-shaped impact walls that cone angle is arranged on the front end end face of following nozzle body, the through hole that has circular hole and diffusion hole to constitute in the following nozzle body, the circular hole internal diameter is (1.1-3) D in the following nozzle body, length is (0.5-3) D, the diffusion hole full-shape is 12-14 °, the truncated cone-shaped impact walls of following nozzle body is positioned at terminal the self-excited oscillation cavity intravital revolution cavity rear end and is sealedly and fixedly connected, the distance that the intravital revolution cavity of each the self-excited oscillation cavity inlet end arrives the inlet nose end end face of the truncated cone-shaped impact walls in the intravital revolution cavity of this self-excited oscillation cavity rear end is (2.2-3) D, the diameter of the contact position of the truncated cone-shaped impact walls in intravital revolution cavity inner wall of each the self-excited oscillation cavity and the intravital revolution cavity of this self-excited oscillation cavity rear end is (2.5-8.8) D, the outlet nose end of following nozzle body and the inlet nose end of adapter are sealedly and fixedly connected, grug feeding jar, after flow control valve and flocculant solution transfer lime were sealedly and fixedly connected successively, the outlet nose end of flocculation agent transfer lime fixedly was communicated with mixing chamber.
The present invention realizes goal of the invention like this: jet sprays from water spouting nozzle, produces negative pressure in mixing chamber, and it in transfer lime sucks mixing chamber, enters the flocculant solution that configures in the self-sustained oscillation cavity through the upper spray nozzle body.Can adopt 1-3 self-sustained oscillation cavity according to the difference of working conditions requirement,, improve mixing efficiency with intensifier pulse intensity.When the impact walls interaction in the nozzle body under the arrival that becomes a mandarin and in, produce the pressure oscillation ripple in the impact zone with it.This wave of oscillation is upstream propagated with sound wave, brings out new vorticity pulsation again.When the pressure pulsation of disengaging zone and impact zone is anti-phase each other, will form the working cycle that vorticity disturbance-amplification-Xin vorticity disturbance produces.Constantly repeat this process, just form intensive self-sustained oscillation in the self-sustained oscillation cavity, under the effect of strong shearing force, water and flocculant solution obtain thorough mixing, by nozzle body and adapter ejection down.
According to the flow and the characteristics of processed waste water, utilize the flow of Flux Valve Control flocculant solution.Before the use, do the flocculating settling test of processed water earlier, determine to use which kind of flocculation agent and dosage.Flocculation agent commonly used has aluminium chlorohydroxide, ferric sulfate, ferrous sulfate, Tai-Ace S 150 and polyacrylamide etc.The flocculation medicament is configured to the solution of 1g/L～10g/L, is stored in the grug feeding jar.According to flocculator design discharge and dosage, adjust flowrate control valve again, guarantee in water flows process, to add flocculation agent equably, guaranteed flocculating effect.
The present invention has following technique effect:
The mixing condition that this flocculator has not only improved flocculant solution greatly and become a mandarin, and strengthened the turbulent fluctuation degree that becomes a mandarin, improved of bridge formation and the adsorption of flocculation agent particle effectively to colloidal solid, improved flocculation efficiency.Under the condition that adds supplementary unit, rely on special shape that impact walls had and specific border condition on upper spray nozzle body, self-sustained oscillation cavity and the following nozzle body, make the flocculation solution and the thorough mixing in the self-sustained oscillation cavity that becomes a mandarin, and changing the solid jet of incoming flow into stream of pulses, the pressure amplitude of stream of pulses is than the high 15-30% of incoming-flow pressure.
Adopt this flocculator, can replace processing sequencees such as traditional dosing, stirring, mixing adjusting, flocculating effect is good, and energy efficient reduces civil engineering cost, improves the economic target of water treatment.
Description of drawings:
The assembling synoptic diagram of the self exciting oscillation pipeline type flocculating device of Fig. 1 for the time with single self-sustained oscillation cavity;
The assembling synoptic diagram of the self exciting oscillation pipeline type flocculating device of Fig. 2 when contacting with 2 self-sustained oscillation cavitys;
Among Fig. 1, Fig. 2:
The 1-water spouting nozzle; The 2-mixing chamber; 3-upper spray nozzle body;
4-self-sustained oscillation cavity; 4-1-self-sustained oscillation cavity; 4-2-self-sustained oscillation cavity
Nozzle body under the 5-; 6-takes over; The 7-grug feeding jar;
The 8-flow control valve; 9-flocculation agent transfer lime; The 10-flange
Embodiment:
In the accompanying drawings, water spouting nozzle, mixing chamber, upper spray nozzle body, self-sustained oscillation cavity and following nozzle body are installed on the same medullary ray successively, after grug feeding jar, flow control valve and flocculation agent transfer lime were sealedly and fixedly connected successively, the outlet nose end of flocculation agent transfer lime fixedly was communicated with mixing chamber.Sealing and fixing can adopt screw thread, welding or ring flange to connect.
The water spouting nozzle diameter d:
In the formula, Qs is a pump capacity, m
3/ h; H is a pump head, meter water column; D is the water spouting nozzle diameter, rice.
The cone angle of the taper hole in the water spouting nozzle is 13 °, the profile of the taper hole end of water spouting nozzle is the truncated cone-shaped of 30 ° of cone angles, mixing chamber is a right cylinder, one circular open hole is arranged in the mixing chamber, one circular hole that communicates with the intravital circular open of hybrid chamber hole is arranged on the front end end face of mixing chamber, the upper spray nozzle body is cylindrical, it is the revolution cavity of monobasic quintic equation that bus is arranged in the front end of upper spray nozzle body, there is the interior revolution cavity of a circular hole and the front end of upper spray nozzle body to communicate in the rear end of upper spray nozzle body, the diameter of this revolution cavity front end end face is identical with the circular open bore dia of mixing chamber, the truncated cone-shaped end end face of water spouting nozzle is 2d to the front end distance in the round exit hole of upper spray nozzle body, the outlet opening diameter D of upper spray nozzle body is 1.5 with the ratio of water spouting nozzle diameter d, a self-sustained oscillation cavity is a right cylinder, it is the straight line gyration through hole that bus is arranged in this self-sustained oscillation cavity, it is 110 ° truncated cone-shaped impact walls that cone angle is arranged on the intravital front end end face of following nozzle, the diameter of the intravital circular hole of following nozzle is 1.5D, length is 2D, 13 ° of the intravital diffusion hole full-shapes of following nozzle, the intravital revolution through hole of this self-excited oscillation cavity inlet end is 2.5D to the distance of the inlet nose end end face of the interior truncated cone-shaped impact walls of the intravital revolution through hole back-end of this self-excited oscillation cavity, and the diameter of the contact position of the truncated cone-shaped impact walls in intravital revolution through-hole wall of the self-excited oscillation cavity and the intravital revolution through hole back-end of this self-excited oscillation cavity is 3D.
Last, fixedly connected two self-sustained oscillation cavitys of co-axial seal successively between the following nozzle body, it is the straight line gyration through hole that bus is arranged in first self-sustained oscillation cavity, cone angle is arranged on the front end end face of second self-sustained oscillation cavity is 110 ° and be positioned at the truncated cone-shaped impact walls of the intravital revolution through hole back-end of first the self-excited oscillation cavity, the truncated cone-shaped impact walls of second self-sustained oscillation cavity middle part have one with the identical circular hole of the intravital Circularhole diameter of following nozzle, this circular hole with before, intravital revolution through hole of back the self-excited oscillation cavity and rotary hole communicate, first, two intravital revolution through holes of the self-excited oscillation cavity, the rotary hole inlet end is to this revolution through hole, the distance of the inlet nose end end face of the truncated cone-shaped impact walls in the rotary hole rear end is respectively 2.5D, 3D, first, revolution through hole in two self-sustained oscillation cavitys, the rotary hole inwall respectively with corresponding revolution through hole, the diameter of the contact position of the truncated cone-shaped impact walls in the rotary hole rear end is 4D.
Last, fixedly connected three self-sustained oscillation cavitys of co-axial seal successively between the following nozzle body, an index curve revolution cavity is arranged in each self-sustained oscillation cavity, respectively the truncated cone-shaped impact walls in 110 ° of cone angles and the revolution cavity rear end that lays respectively at previous self-sustained oscillation cavity on the front end end face of two the self-sustained oscillation cavitys in back, the front center of each self-sustained oscillation cavity have one with the identical circular hole of the intravital Circularhole diameter of following nozzle, this circular hole with before, the intravital index curve revolution of back the self-excited oscillation cavity cavity communicates, second, the truncated cone-shaped impact walls of the front end of three self-sustained oscillation cavitys lays respectively at first, in two the intravital index curve revolution of the self-excited oscillation cavity cavity rear ends, first, two, the distance of the inlet nose end end face of three the intravital revolution cavity of the self-excited oscillation cavity inlet ends truncated cone-shaped impact walls in the corresponding revolution cavity rear end is respectively 2.5D, 3D, 3D, first, two, in three self-sustained oscillation cavitys the revolution cavity inner wall respectively with corresponding revolution cavity in the diameter of contact position of truncated cone-shaped impact walls in the rear end be 4D.
In the test of the leather waste water of handling certain leather manufacturing enterprise discharging, adopted this duct type flocculator.According to the flocculating settling test, selecting flocculation agent for use is aluminium chlorohydroxide, and optimal coagulant dose is 100mg/L.Flocculation agent is configured to the solution of 1g/L, regulates the flocculation agent flow, guarantee evenly to add flocculation agent with optimal coagulant dose according to wastewater flow.
Claims (5)
1, a kind of self exciting oscillation pipeline type flocculating device, it is characterized in that this flocculator comprises water spouting nozzle, mixing chamber, the upper spray nozzle body, the self-sustained oscillation cavity, following nozzle body, take over, grug feeding jar, flow control valve and flocculant solution transfer lime, have one to be the through hole that 12-14 ° taper hole constitutes in the water spouting nozzle by circular hole and cone angle, the profile of the taper hole end of water spouting nozzle is that cone angle is 25-35 ° a truncated cone-shaped, mixed cavity is a cylinder, one open pore is arranged in the mixing chamber, on the front end end face of mixed cavity a hole that communicates with the intravital open pore in mixed chamber is arranged, hole on the front end end face of water spouting nozzle and mixing chamber is sealedly and fixedly connected, the upper spray nozzle body is a cylinder, it is the formed revolution cavity of the straight line or the monobasic equation of higher degree that bus is arranged in the front end of upper spray nozzle body, there is the interior revolution cavity of an outlet opening and upper spray nozzle body front end to communicate in the rear end of upper spray nozzle body, after being sealedly and fixedly connected, upper spray nozzle body and mixing chamber constitute hybrid chamber, the truncated cone-shaped end of water spouting nozzle is positioned at this hybrid chamber, the exit diameter of water spouting nozzle is d, the truncated cone-shaped end end face of water spouting nozzle is (0.5-2.5) d to the distance of the outlet opening front end end face of upper spray nozzle body, the outlet opening diameter D of upper spray nozzle body is 1.4-1.8 with the ratio of the outlet opening diameter d of water spouting nozzle, the self-sustained oscillation cavity that 1-3 is cylinder successively co-axial seal fixedly connected after, the inlet nose end of its front end is sealedly and fixedly connected and communicates with the outlet nose end of upper spray nozzle body, it is straight line or index curve revolution cavity that bus is all arranged in these self-sustained oscillation cavitys, the revolution cavity communicates with the revolution cavity, wherein, cone angle is respectively arranged on the front end end face of 2-3 self-sustained oscillation cavity is 100-120 ° and lay respectively at truncated cone-shaped impact walls in the revolution cavity rear end of previous self-sustained oscillation cavity, following nozzle body is a cylinder, it is 100-120 ° truncated cone-shaped impact walls that cone angle is arranged on the front end end face of following nozzle body, the through hole that has circular hole and diffusion hole to constitute in the following nozzle body, the circular hole internal diameter is (1.1-3) D in the following nozzle body, length is (0.5-3) D, the diffusion hole full-shape is 12-14 °, the truncated cone-shaped impact walls of following nozzle body is positioned at terminal the self-excited oscillation cavity intravital revolution cavity rear end and is sealedly and fixedly connected, and the intravital revolution cavity of each the self-excited oscillation cavity inlet end arrives
ShouldThe distance of the inlet nose end end face of the truncated cone-shaped impact walls in the intravital revolution cavity of the self-excited oscillation cavity rear end is (2.2-3) D, the diameter of the contact position of the truncated cone-shaped impact walls in intravital revolution cavity inner wall of each the self-excited oscillation cavity and the intravital revolution cavity of this self-excited oscillation cavity rear end is (2.5-8.8) D, the outlet nose end of following nozzle body and the inlet nose end of adapter are sealedly and fixedly connected, after grug feeding jar, flow control valve and flocculant solution transfer lime were sealedly and fixedly connected successively, the outlet nose end of flocculation agent transfer lime fixedly was communicated with mixing chamber.
2, self exciting oscillation pipeline type flocculating device according to claim 1, the cone angle that it is characterized in that the taper hole in the water spouting nozzle is 13 °, the profile of the taper hole end of water spouting nozzle is that cone angle is 30 ° a truncated cone-shaped, mixing chamber is a right cylinder, one circular open hole is arranged in the mixing chamber, one circular hole that communicates with the intravital circular open of hybrid chamber hole is arranged on the front end end face of mixing chamber, the upper spray nozzle body is a right cylinder, it is the revolution cavity of monobasic quintic equation that bus is arranged in the front end of upper spray nozzle body, there is the interior revolution cavity of a circular hole and the front end of upper spray nozzle body to communicate in the rear end of upper spray nozzle body, the diameter of this revolution cavity front end end face is identical with the circular open bore dia of mixing chamber, the truncated cone-shaped end end face of water spouting nozzle is 2d to the front end distance in the round exit hole of upper spray nozzle body, the outlet opening diameter D of upper spray nozzle body is 1.5 with the ratio of water spouting nozzle diameter d, a self-sustained oscillation cavity is a right cylinder, it is the straight line gyration through hole that bus is arranged in this self-sustained oscillation cavity, it is 110 ° truncated cone-shaped impact walls that cone angle is arranged on the intravital front end end face of following nozzle, the diameter of the intravital circular hole of following nozzle is 1.5D, length is 2D, 13 ° of the intravital diffusion hole full-shapes of following nozzle, the intravital revolution through hole of this self-excited oscillation cavity inlet end is 2.5D to the distance of the inlet nose end end face of the interior truncated cone-shaped impact walls of the intravital revolution through hole back-end of this self-excited oscillation cavity, and the diameter of the contact position of the truncated cone-shaped impact walls in intravital revolution through-hole wall of the self-excited oscillation cavity and the intravital revolution through hole back-end of this self-excited oscillation cavity is 3D.
3, self exciting oscillation pipeline type flocculating device according to claim 1, it is characterized in that last, fixedly connected two self-sustained oscillation cavitys of co-axial seal successively between the following nozzle body, it is the straight line gyration through hole that bus is arranged in first self-sustained oscillation cavity, cone angle is arranged on the front end end face of second self-sustained oscillation cavity is 110 ° and be positioned at the truncated cone-shaped impact walls of the intravital revolution through hole back-end of first the self-excited oscillation cavity, the truncated cone-shaped impact walls of second self-sustained oscillation cavity middle part have one with the identical circular hole of the intravital Circularhole diameter of following nozzle, this circular hole with before, intravital revolution through hole of back the self-excited oscillation cavity and rotary hole communicate, first, two intravital revolution through holes of the self-excited oscillation cavity, the rotary hole inlet end is to this revolution through hole, the distance of the inlet nose end end face of the truncated cone-shaped impact walls in the rotary hole rear end is respectively 2.5D, 3D, first, revolution through hole in two self-sustained oscillation cavitys, the rotary hole inwall respectively with corresponding revolution through hole, the diameter of the contact position of the truncated cone-shaped impact walls in the rotary hole rear end is 4D.
4, self exciting oscillation pipeline type flocculating device according to claim 1, it is characterized in that last, fixedly connected three self-sustained oscillation cavitys of co-axial seal successively between the following nozzle body, an index curve revolution cavity is arranged in each self-sustained oscillation cavity, respectively the truncated cone-shaped impact walls in 110 ° of cone angles and the revolution cavity rear end that lays respectively at previous self-sustained oscillation cavity on the front end end face of two the self-sustained oscillation cavitys in back, the front center of each self-sustained oscillation cavity have one with the identical circular hole of the intravital Circularhole diameter of following nozzle, this circular hole with before, the intravital index curve revolution of back the self-excited oscillation cavity cavity communicates, second, the truncated cone-shaped impact walls of the front end of three self-sustained oscillation cavitys lays respectively at first, in two the intravital index curve revolution of the self-excited oscillation cavity cavity rear ends, first, two, the distance of the inlet nose end end face of three the intravital revolution cavity of the self-excited oscillation cavity inlet ends truncated cone-shaped impact walls in the corresponding revolution cavity rear end is respectively 2.5D, 3D, 3D, first, two, in three self-sustained oscillation cavitys the revolution cavity inner wall respectively with corresponding revolution cavity in the diameter of contact position of truncated cone-shaped impact walls in the rear end be 4D.
5, self exciting oscillation pipeline type flocculating device according to claim 1 is characterized in that water spouting nozzle, mixing chamber, upper spray nozzle body, a 1-3 self-sustained oscillation cavity, following nozzle body are installed on the same medullary ray.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100541046A CN100430326C (en) | 2006-03-03 | 2006-03-03 | Self exciting oscillation pipeline type flocculating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100541046A CN100430326C (en) | 2006-03-03 | 2006-03-03 | Self exciting oscillation pipeline type flocculating device |
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| CN1821113A CN1821113A (en) | 2006-08-23 |
| CN100430326C true CN100430326C (en) | 2008-11-05 |
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| CNB2006100541046A Expired - Fee Related CN100430326C (en) | 2006-03-03 | 2006-03-03 | Self exciting oscillation pipeline type flocculating device |
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| CN103670333B (en) * | 2012-09-18 | 2016-04-06 | 中国石油天然气股份有限公司 | High-pressure jet chemical adding method and device for wellhead of water injection well |
| CN115928646A (en) * | 2022-11-04 | 2023-04-07 | 重庆科技学院 | Ring self-oscillation gas lift device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054479U (en) * | 1989-01-28 | 1990-03-14 | 西南石油学院 | Oscillating pulse jet stream nozzle for gear wheel bit |
| CN2235844Y (en) * | 1995-10-13 | 1996-09-25 | 南昌航空工业学院 | Multi-stage-pipe type floccultor |
| JPH10216411A (en) * | 1997-02-12 | 1998-08-18 | Kurita Water Ind Ltd | Flocculator |
-
2006
- 2006-03-03 CN CNB2006100541046A patent/CN100430326C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054479U (en) * | 1989-01-28 | 1990-03-14 | 西南石油学院 | Oscillating pulse jet stream nozzle for gear wheel bit |
| CN2235844Y (en) * | 1995-10-13 | 1996-09-25 | 南昌航空工业学院 | Multi-stage-pipe type floccultor |
| JPH10216411A (en) * | 1997-02-12 | 1998-08-18 | Kurita Water Ind Ltd | Flocculator |
Non-Patent Citations (2)
| Title |
|---|
| 管道水力絮凝过程的动力学和机理研究. 李明俊.水处理技术，第25卷第2期. 1999 |
| 管道水力絮凝过程的动力学和机理研究. 李明俊.水处理技术，第25卷第2期. 1999 * |
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