CN203938491U - Percussion flow cavitation device - Google Patents
Percussion flow cavitation device Download PDFInfo
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- CN203938491U CN203938491U CN201420224919.4U CN201420224919U CN203938491U CN 203938491 U CN203938491 U CN 203938491U CN 201420224919 U CN201420224919 U CN 201420224919U CN 203938491 U CN203938491 U CN 203938491U
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- inlet pipe
- cavitation
- outlet pipe
- impact cavity
- orifice plate
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Abstract
The utility model relates to a kind of percussion flow cavitation device, comprise inlet pipe, impact cavity and outlet pipe, described inlet pipe and outlet pipe are distributed on impact cavity, and described inlet pipe quantity has two at least, the axis of each inlet pipe is through impact cavity center, and described outlet pipe quantity has two at least; In each inlet pipe, install one and open foraminate orifice plate or microscopic capillary is installed, liquid is formed jet and is produced cavitation by the aperture on orifice plate or microscopic capillary, and the hydrofluidic of cavitation converges at impact cavity center, by mutual shock, produces Maelstrom; Liquid after shock flows out from outlet pipe.The effect that the utility model is useful: the liquid stream group of mutually clashing into interpenetrates, reciprocating vibration, there is strong collision, extruding and shearing action, producing strong microcosmic mixes and pressure surge, make cavitation bubble crumbling and fall and regenerating repeatedly, thereby strengthen cavitation intensity and cavitation effect, the liquid after shock flows out from outlet pipe; The utility model can effectively strengthen the cavitation intensity of existing Hydrodynamic cavitation device.
Description
Technical field
The utility model patent relates to a kind of Hydrodynamic cavitation equipment, and relating in particular to is a kind of percussion flow cavitation device.
Background technology
Hydrodynamic cavitation is one of main method of liquid generation cavitation.Liquid forms jet by cavitation device, and liquid velocity increases severely, and liquid pressure reduces sharply.When liquid pressure is down to hold-up vapour pressure when even following, because the violent vaporization of liquid produces a large amount of cavitation bubbles.Cavitation bubble, with liquid-flow, forms two-phase flow.When liquid pressure recovers, cavitation bubble moment crumbles and fall and forms microjet and shockwave, produces moment high temperature (1000～5000K) and instantaneous pressure (1～5 * 10
7pa).Liquid cracking produces high chemically active hydroxyl radical free radical, the complicated difficult degradable organic pollutant of can effectively degrading.The Hydrodynamic cavitation device of application mainly contains orifice plate cavitation device and jet flow cavitation device at present.
Two bursts of liquid at high speed flow and clash in opposite directions, reach high speed of relative movement clashing into moment, can produce strong microcosmic and mix and pressure surge.(Wu Yuan, < < percussion flow-principle, character and application > >, Chemical Industry Press, February in 2006 the 1st edition).The cavitation jet that allows Hydrodynamic cavitation device produce clashes into mutually, thereby strengthen cavitation intensity, is a kind of new approaches of strengthening cavitation.
Patent 201110425910.0 discloses the equipment of fortified water jet flow cavitation degraded wastewater containing phenol.This equipment allows and clashes into from the cavitation jet of jet flow cavitation nozzle ejection and target disc, acceleration cavitation bubble is crumbled and fall, cavitation bubble is crumbled and fall and concentrated on region between jet flow cavitation nozzle and target disc, the extreme high heat that cavitation bubble is crumbled and fall produce is gathered in this region, form the relatively concentrated High Temperature High Pressure district that crumbles and fall, thus strengthening cavitation effect.
Utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of percussion flow cavitation device is provided, and can effectively strengthen the cavitation intensity of existing Hydrodynamic cavitation device.
The purpose of this utility model completes by following technical solution.This percussion flow cavitation device, comprise inlet pipe, impact cavity and outlet pipe, described inlet pipe and outlet pipe are distributed on impact cavity, and described inlet pipe quantity has two at least, the axis of each inlet pipe is through impact cavity center, and described outlet pipe quantity has two at least; In each inlet pipe, install one and open foraminate orifice plate or microscopic capillary is installed, liquid is formed jet and is produced cavitation by the aperture on orifice plate or microscopic capillary, and the hydrofluidic of cavitation converges at impact cavity center, by mutual shock, produces Maelstrom; Liquid after shock flows out from outlet pipe.
Described inlet pipe and the quantity of outlet pipe are 3, are uniform staggered with on the circumference of impact cavity, and the axis of each inlet pipe and outlet pipe, through impact cavity center, is installed one in each inlet pipe and opened foraminate orifice plate.
Described inlet pipe and the quantity of outlet pipe are 2, install one and open foraminate orifice plate in an inlet pipe, and microscopic capillary is installed in another inlet pipe.
Described inlet pipe and the quantity of outlet pipe are 2, are uniform staggered with on the circumference of impact cavity, and the axis of each inlet pipe and outlet pipe, through impact cavity center, is installed one in each inlet pipe and opened foraminate orifice plate.
The interior diameter of described microscopic capillary is 0.01～1.0 times of hole diameter of orifice plate, and the orifice plate of described inlet pipe is 0.01～1000 times of inlet pipe diameter apart from the spacing of impact cavity.
Described impact cavity shape is cylindrical, square, rectangle, ellipse or spherical.
The beneficial effects of the utility model are:
(1) strong pressure surge: between the liquid mutually clashing into, strong interaction occurs, produce thus strong pressure surge; The intensity of pressure surge and frequency be linear increase with the increase of jet stroke speed, and then produces high sound intensity ultrasonic wave, produces ultrasonic cavitation; The stack of ultrasonic cavitation and Hydrodynamic cavitation, makes cavitation bubble crumbling and fall and regenerate repeatedly, thus enhancing cavitation intensity and cavitation effect;
(2) strong microcosmic mixes: liquid stream clashes in opposite directions, and on impact surface, strong momentum transfer occurs liquid stream; Liquid stream group in opposite directions interpenetrates, and reciprocating vibration, strong collision, extruding and shearing action occur, and the distortion of stream group, divides, and effectively promotes the microcosmic of liquid to mix, and improves the uniformity coefficient that liquid microcosmic mixes;
(3) promote chemical reaction: under strong microcosmic mixing and pressure surge effect, can improve the chemical reaction ability of liquid, accelerate chemical reaction velocity.
Accompanying drawing explanation
Fig. 1 is the structural representation of percussion flow cavitation device of the present utility model.
Fig. 2 is the structural representation of microscopic capillary jet of the present utility model and orifice plate impinging jet stream cavitation device.
Fig. 3 is of the present utility model over against hitting work schematic diagram one.
Fig. 4 is oblique head-on collision work schematic diagram two of the present utility model.
Fig. 5 is of the present utility model over against hitting experimental result schematic diagram one.
Fig. 6 is oblique head-on collision experimental result schematic diagram two of the present utility model.
Label in accompanying drawing is respectively: 1, inlet pipe; 2, impact cavity; 3, outlet pipe; 4, orifice plate; 5, jet; 6, Maelstrom; 7, microscopic capillary; 41, aperture; 1-1, the first inlet pipe; 1-2, the second inlet pipe; 3-1, the first outlet pipe; 3-2, the second outlet pipe; 5-1, the first jet; 5-2, the second jet.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done to detailed introduction: as shown in Figure 1, the utility model comprises inlet pipe 1, impact cavity 2 and outlet pipe 3.Inlet pipe has three, and an orifice plate 4 that has aperture 41 is installed in each inlet pipe.Liquid is divided into three strands, enters this three inlet pipes 1 simultaneously, by the aperture 41 on orifice plate 4, forms jet 5, produces orifice plate cavitation.The hydrofluidic 5 of three bursts of cavitations converges at impact cavity 2 centers, mutually clashes into, and produces Maelstrom 6 simultaneously.The liquid stream group of mutually clashing into interpenetrates, and reciprocating vibration, strong collision, extruding and shearing action occur, and produce strong microcosmic and mix and pressure surge, makes cavitation bubble crumbling and fall and regenerate repeatedly, thus enhancing cavitation intensity and cavitation effect.Liquid after shock flows out from three outlet pipes 3 respectively.Described impact cavity 2 shapes can be cylindrical, square, rectangle, ellipse, the arbitrary shape such as spherical.
As shown in Figure 2, described percussion flow cavitation device inlet pipe 1 has two, and the first inlet pipe 1-1 installs microscopic capillary 7, the second inlet pipe 1-2 orifice plate 4 is installed.The microscopic capillary 7 that one liquid enters in the first inlet pipe 1-1 forms the first jet 5-1, and another strand of liquid also forms the second jet 5-2 by the orifice plate 4 in the second inlet pipe 1-2.The first jet 5-1 by microscopic capillary 7 and the second jet 5-2 that aperture 41 by orifice plate 4 forms clash into mutually, and cavitation intensity and cavitation effect strengthen thus, and the liquid after shock flows out from the first outlet pipe 3-1 and the second outlet pipe 3-2 respectively.
This is tested, test principle: configure certain density aqueous solution of methylene blue with a certain amount of methylene blue reagent and distilled water, as stock liquid, inject storage tank, collect the solution after percussion flow cavitation device at interval of the 10min time, and measure its absorbancy.By calibration curve, by inhaling pass degree, obtain methylene blue concentration, and then obtain cavitation and hydroxyl radical free radical (OH) concentration that produces.And (OH) size of concentration can reflect the cavitation effect of this utility model.(OH) concentration producing is higher, illustrates that cavitation effect is larger.
As shown in Figure 3, aqueous solution of methylene blue liquid such as is divided at two strands of flow, enters the first inlet pipe 1-1 and the second inlet pipe 1-2 simultaneously.The adjacent angle of the first inlet pipe 1-1 and the second inlet pipe 1-2 is 180 degree.The aperture 41 of the orifice plate 4 by the first inlet pipe 1-1 and the second inlet pipe 1-2 forms jets 5 and enters impact cavity 2.Jet liquid produces orifice plate cavitation.The hydrofluidic of two bursts of cavitations converges at impact cavity 2 centers, mutually clashes into.The liquid stream group of mutually clashing into interpenetrates, and reciprocating vibration, strong collision, extruding and shearing action occur, and produce strong microcosmic and mix and pressure surge, makes cavitation bubble crumbling and fall and regenerating repeatedly.Finally, solution flows out from the first outlet pipe 3-1 and the second outlet pipe 3-2 respectively.At interval of the 10min time, collect the solution of outlet pipe 3, carry out absorbance measurement, and then obtain (OH) concentration, measure hydroxyl radical free radical (OH) concentration producing because of cavitation under different liqs flow, the result obtaining is as shown in Figure 5.
As shown in Figure 4, aqueous solution of methylene blue liquid such as is divided at two strands of flow, enters the first inlet pipe 1-1 and the second inlet pipe 1-2 simultaneously.The adjacent angle of the first inlet pipe 1-1 and the second inlet pipe 1-2 is 90 degree.The aperture 41 of the orifice plate 4 by the first inlet pipe 1-1 and the second inlet pipe 1-2 forms jets 5 and enters impact cavity 2.Jet liquid produces orifice plate cavitation.The hydrofluidic of two bursts of cavitations converges at impact cavity 2 centers, mutually clashes into.The liquid stream group of mutually clashing into interpenetrates, and reciprocating vibration, strong collision, extruding and shearing action occur, and produce strong microcosmic and mix and pressure surge, makes cavitation bubble crumbling and fall and regenerating repeatedly.Finally, solution flows out from outlet pipe 3 respectively.At interval of the 10min time, collect the solution of outlet pipe 3, carry out absorbance measurement, and then obtain (OH) concentration, measure hydroxyl radical free radical (OH) concentration producing because of cavitation under different liqs flow, the result obtaining is as shown in Figure 6.
Be understandable that, for a person skilled in the art, to the technical solution of the utility model and utility model, design is equal to replace or change and all should be belonged to the protection domain of the appended claim of the utility model.
Claims (6)
1. a percussion flow cavitation device, it is characterized in that: comprise inlet pipe (1), impact cavity (2) and outlet pipe (3), described inlet pipe (1) is distributed on impact cavity (2) with outlet pipe (3), described inlet pipe (1) quantity has two at least, the axis of each inlet pipe (1) is through impact cavity (2) center, and described outlet pipe (3) quantity has two at least; In each inlet pipe (1), installing one has the orifice plate (4) of aperture (41) or microscopic capillary (7) is installed, liquid is formed jet (5) and is produced cavitation by the aperture (41) on orifice plate (4) or microscopic capillary (7), the hydrofluidic of cavitation converges at impact cavity (2) center, by mutual shock, produces Maelstrom (6); Liquid after shock flows out from outlet pipe (3).
2. percussion flow cavitation device according to claim 1, it is characterized in that: the quantity of described inlet pipe (1) and outlet pipe (3) is 3, be uniform staggered with on the circumference of impact cavity (2), the axis of each inlet pipe (1) and outlet pipe (3), through impact cavity (2) center, is installed an orifice plate (4) that has aperture (41) in each inlet pipe (1).
3. percussion flow cavitation device according to claim 1, it is characterized in that: the quantity of described inlet pipe (1) and outlet pipe (3) is 2, an orifice plate (4) that has aperture (41) is installed in an inlet pipe (1), microscopic capillary (7) is installed in another inlet pipe (1).
4. percussion flow cavitation device according to claim 1, it is characterized in that: the quantity of described inlet pipe (1) and outlet pipe (3) is 2, be uniform staggered with on the circumference of impact cavity (2), the axis of each inlet pipe (1) and outlet pipe (3), through impact cavity (2) center, is installed an orifice plate (4) that has aperture (41) in each inlet pipe (1).
5. percussion flow cavitation device according to claim 1, it is characterized in that: the interior diameter of described microscopic capillary (7) is 0.01～1.0 times of aperture (41) diameter of orifice plate (4), the orifice plate (4) of described inlet pipe (1) is 0.01～1000 times of inlet pipe diameter apart from the spacing of impact cavity (2).
6. percussion flow cavitation device according to claim 1, is characterized in that: described impact cavity (2) shape is cylindrical, square, rectangle, ellipse or spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224919.4U CN203938491U (en) | 2014-04-30 | 2014-04-30 | Percussion flow cavitation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224919.4U CN203938491U (en) | 2014-04-30 | 2014-04-30 | Percussion flow cavitation device |
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| CN203938491U true CN203938491U (en) | 2014-11-12 |
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| CN201420224919.4U Expired - Fee Related CN203938491U (en) | 2014-04-30 | 2014-04-30 | Percussion flow cavitation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979619A (en) * | 2014-04-30 | 2014-08-13 | 浙江工业大学 | Impinging stream cavitation device |
| CN104528846A (en) * | 2014-12-31 | 2015-04-22 | 陕西师范大学 | Hydrodynamic cavitation device for increasing cavitation free radical concentration |
| CN107175061A (en) * | 2017-06-30 | 2017-09-19 | 中国科学院工程热物理研究所 | A kind of high pressure liquidates submerged jets cavitation reactor |
| CN109731494A (en) * | 2018-12-31 | 2019-05-10 | 北京环域生态环保技术有限公司 | A kind of generating device and method of micro-nano bubble |
-
2014
- 2014-04-30 CN CN201420224919.4U patent/CN203938491U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979619A (en) * | 2014-04-30 | 2014-08-13 | 浙江工业大学 | Impinging stream cavitation device |
| CN104528846A (en) * | 2014-12-31 | 2015-04-22 | 陕西师范大学 | Hydrodynamic cavitation device for increasing cavitation free radical concentration |
| CN107175061A (en) * | 2017-06-30 | 2017-09-19 | 中国科学院工程热物理研究所 | A kind of high pressure liquidates submerged jets cavitation reactor |
| CN109731494A (en) * | 2018-12-31 | 2019-05-10 | 北京环域生态环保技术有限公司 | A kind of generating device and method of micro-nano bubble |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150430 |
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| EXPY | Termination of patent right or utility model |