CN105571375B - A kind of vortex wave current generator - Google Patents
A kind of vortex wave current generator Download PDFInfo
- Publication number
- CN105571375B CN105571375B CN201610064937.4A CN201610064937A CN105571375B CN 105571375 B CN105571375 B CN 105571375B CN 201610064937 A CN201610064937 A CN 201610064937A CN 105571375 B CN105571375 B CN 105571375B
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- Prior art keywords
- module
- stuck
- pipeline
- blade
- control shaft
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
Abstract
A kind of vortex wave current generator, it is characterized in that the vortex wave current generator includes center control shaft adjusting module, flowmeter, PLC module and coaxial top stuck-module, pipeline stuck-module, pipeline, center control shaft, extension type blade and end stuck-module, top and end are determined with fluid flow direction in pipeline, the center control shaft surface has screw thread, and the extension type blade is made up of the annular blade unit being laminated;The top of the pipeline and end are respectively adopted pipeline stuck-module and fix and be fixedly connected by pipeline stuck-module with top stuck-module and end stuck-module, in the center control shaft insertion pipeline, the two ends of center control shaft, which are each passed through after pipeline stuck-module, inserts top stuck-module and end stuck-module, the central shaft control module is located at the outside of top stuck-module end, and central shaft control axle module controls shaft end and PLC module to be connected with center respectively.
Description
Technical field
Technical scheme covering mass-and heat-transfer field, specifically a kind of vortex wave current generator.
Background technology
Gradually it is taken seriously the problem of heat and mass in the current energy, oil, chemical industry, the field such as environment.Vortex wave current is moved
It is the special flow phenomenon under the conditions of a kind of low reynolds number, in heat energy, chemical industry and field of environment engineering can usually be related to low thunder
Promise number flows.In vortex wave current, because its Reynolds number is low, viscous force is occupied an leading position wherein, the boundary layer separation of generation
Phenomenon can effectively improve mass-and heat-transfer efficiency, and the shear stress that it is produced in flow process is small, and speed is low, but vorticity field strength
Degree is very high, not only increases the heat and mass efficiency of liquid, and save energy consumption.
Chinese patent literature 200710129298 discloses a kind of scroll fluid machine, by be fixed on pipeline determine votex sheet and
Dynamic votex sheet composition, determines votex sheet and the dynamic votex sheet at center, current prolong votex sheet of determining fixed on tube wall and stayed using being fixed on pipeline
Under, dynamic votex sheet is then in reverse to water flow rotary, produces specific vortex flow, mass transfer enhancement heat transfer, to prevent current from prolonging votex sheet rotation
Turn, being additionally provided with prevents itself rotary module, it is described to prevent itself rotary module from including a pair of support members, one of support
Part is arranged on track motion side, and another support member is arranged in shell.Support member on track motion side includes bearing, is used for
The supporting plate of spring bearing and multiple ears.At least one ears is provided through in the support member at movable orbiting scroll center
In the circle of the heart.Although the equipment can produce stable vortex flow, application field is just in DRY SCROLL VACUUM PUMP and vortex
Compressor, is not directed to heat and mass field, and equipment is complicated, should not be applied to mass-and heat-transfer field.
Chinese patent literature 200820152687 discloses a kind of Low-energy-consumptieddy-current eddy-current membrane bioreactor, is related to water, gives up
The physical treatment and biological treatment of water or sewage, by cyclic water tank, wriggling Reciprocatory water circulating pump, membrane module, membrane support, biology
Reactor, control valve, communicating pipe, screen pack, pressure gauge and delivery port composition.The invention Low-energy-consumptieddy-current eddy-current membrane bioreactor
The characteristics of in running:Current form the vortex stream mode under low reynolds number in membrane module, overcome traditional membrane bioreaction
Answer the high energy consumption shortcoming that high flow rate is brought under high reynolds number in membrane module of the current required by device.But equipment formation is vortexed
The technical matters of stream is complicated, needs to design the structure type of different size helix tube under different flows and adjustment liquid is flowed into
Enter the pulse frequency of Bottomhole pressure, can just form vortex wave current in pipe, and the vortex wave current formed in managing easily by
External disturbance and destroy, that is, manage in formed vortex wave current state it is unstable.
There is provided one kind is simple in construction, generation vortex wave current is stable and is not likely to produce rapids for defect based on above-mentioned existing equipment
The vortex wave current generator of stream turns into urgent problem to be solved in the prior art.
The content of the invention
In order to solve the above technical problems, the technical scheme that the present invention is provided is
A kind of vortex wave current generator is provided, it is characterized in that the vortex wave current generator, which includes center, controls axial adjustment mould
Block, flowmeter, PLC module and coaxial top stuck-module, pipeline stuck-module, pipeline, center control shaft, extension type leaf
Piece and end stuck-module, top and end are determined with fluid flow direction in pipeline,
The center control shaft surface has screw thread,
The extension type blade is made up of the annular blade unit being laminated, and the annular blade unit is soft by outer circular edge
Property connection the windowless annulus blade of toroidal identical and windowing annulus blade composition, the anchor ring envelope of windowless annulus blade
Close, the ring textures of windowing annulus blade have fenestra, and the aperture area is at least the annulus gross area of windowing annulus blade
55%, be flexibly connected by the inner circle edge of windowless annular blade and windowing annular blade between adjacent annular blade unit,
The windowless annulus blade and windowing annulus blade are referred to as annulus blade, and the ratio between the external diameter and internal diameter of the pipeline of annulus blade is 0.9
~1, the ratio between internal diameter and internal diameter of the pipeline of annulus blade are 0.25~0.4;
The top of the pipeline is respectively adopted pipeline stuck-module with end and fixed and by pipeline stuck-module and top
Stuck-module is fixedly connected with end stuck-module, in the center control shaft insertion pipeline, the two ends difference of center control shaft
Top stuck-module and end stuck-module are inserted after through pipeline stuck-module, the central shaft control module is solid positioned at top
Determine the outside of module ends, central shaft control axle module controls shaft end and PLC module to be connected with center respectively, and PLC module is led to
Cross the control shaft rotation of center control axle module control centre.Fluid is fixed through end again after top stuck-module enters pipeline
Module flows out, and flowmeter is used to detect the fluid flow by pipeline;
The retractable blades are nested in center control shaft outer surface, and center control shaft passes perpendicularly through all annular blade lists
The center of circle of member, one end of retractable blades is fixed on the pipeline stuck-module inner surface in pipe end, and the other end passes through screw thread
Connector is connected in the control shaft of center, when center control shaft rotates, axial movement of the threaded connector along center control shaft,
Drive retractable blades flexible along center control shaft, the windowless annular blade of retractable blades is towards pipeline top, and windowing is annular
Blade is towards pipe end.
Described a kind of vortex wave current generator, it is characterized in that it is preferred that fenestra is the fan ring window concentric with windowing annulus blade
Hole.
A kind of described vortex wave current generator, it is characterized in that pipeline stuck-module is the ring flange with outlet pass, pipe
Using overall structure supporting steel plate 3 in being connected outside pipeline between the pipeline stuck-module at road two ends, the top stent
Block is duct chamber, and duct chamber side has water inlet, and one end of duct chamber uses the ring flange with outlet pass to be fixed with pipeline
Module sealing is connected, and the other end uses the ring flange with centre bore to be tightly connected with central shaft control module, and insertion top is consolidated
The center control shaft end of cover half block is arranged in centre bore by water-sealed bearing, and the central shaft control module includes being used to drive
The motor of dynamic center control shaft rotation, the PLC module is described by controlling motor come the rotation of control centre's control shaft
Flowmeter is arranged on the inlet pipeline that top stuck-module is connected;
The end stuck-module is duct chamber, and duct chamber one end of end end stuck-module uses the method with outlet pass
Blue disk is connected with pipeline stuck-module, and the other end uses the ring flange with centre bore and outlet pass, insert end stuck-module
Center control shaft end by bearing be arranged on centre bore in.
The beneficial effects of the invention are as follows:
The operation principle of I, novel scroll wave current generators of the present invention
After fluid runs into barrier, vortex wave current can be formed in its rear, and this vortex ripple liquid form is a kind of special
Different boundary layer separation, can reduce boundary layer thickness, improve the convection pass on film surface, reach strong under laminar condition
Change the purpose of heat and mass effect, it is possible to resolve concentration polarization etc. is a variety of to hinder heat and mass between two-phase caused by boundary layer
Problem, and strengthen heat and mass method relative to tradition, system operation energy consumption had both been reduced, system Construction is reduced again, had been transported
Row and the cost safeguarded.
When liquid flows through extension type blade, due to the inhibition of blade, vortex wave current can be formed at the rear of blade,
In the case where flow rate of liquid is different, by pivot control shaft to change every group of blade pitgh and angle, to control blade
Relative to the obstructed area and obstruction angle of liquid, liquid is set to form stable vortex wave current at blade rear, with this in pipeline
It is middle to form stable vortex flow field.
The advantage of II, novel scroll wave current generators of the present invention
(1) novel scroll wave current generator of the invention breaches the theory that tradition improves heat and mass, not from increase
Consider to improve heat and mass efficiency in terms of flow velocity, enhancing mechanical agitation, change material property.But directly from reduction two-phase
Between membrane resistance, using this special boundary layer separation of vortex wave current, reduce boundary layer thickness, to improve between two-phase
Mass-and heat-transfer performance in terms of account for, fundamentally solve due to mass-and heat-transfer system caused by membrane resistance between two-phase
The problem of number is low.
(2) novel scroll wave current generator of the present invention, it is every so as to change extension type blade by pivot control shaft
Spacing width between individual blade, realize fluids within pipes stream can compared with forming stable vortex wave current under low reynolds number,
Heat and mass effect is enhanced using vortex wave current, so that operation energy consumption is substantially reduced.
(3) novel scroll wave current generator of the present invention, simple installation only need to stretch into generator in required pipeline, then will
Equipment is fixed on pipeline, and stable vortex wave current just can be produced in pipeline, saves the expense that reconstruction pipeline is consumed.
(4) novel scroll wave current generator of the present invention, the vortex wave current of generation passes through PIV (particle image
Velocimetry) verify, can keep vortex wave current stable under different flow velocitys, it is to avoid because blade hinders dynamics excessive,
And vortex wave current is changed into the possibility of turbulent flow, so as to ensure that the stability of liquid heat transfer mass transfer, reduce energy consumption.
Brief description of the drawings:
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of vortex wave current generator provided in an embodiment of the present invention.
Fig. 2 is the windowless annulus blade signal of the annular blade unit of vortex wave current generator provided in an embodiment of the present invention
Figure
Fig. 3 is the windowing annulus blade signal of the annular blade unit of vortex wave current generator provided in an embodiment of the present invention
Figure
In figure, 1, top stuck-module;2nd, pipeline stuck-module;3rd, overall structure supporting steel plate;4th, pipeline;5th, it is scalable
Formula blade, 501, windowless annular blade, 502, windowing annulus blade, 503, fenestra,;6th, end stuck-module;7th, center is controlled
Axle;8th, central shaft control module;9th, flowmeter;10、PLC.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates technical solution of the present invention
The vortex wave current generator of the present invention that the present invention is provided includes center control shaft adjusting module 8, flowmeter 9, PLC moulds
Block 10 and coaxial top stuck-module 1, pipeline stuck-module 2, pipeline 4, center control shaft 7, extension type blade 5 and end
Stuck-module 6,
Top and end are determined with fluid flow direction in pipeline,
The center control shaft surface has screw thread,
The extension type blade is made up of the annular blade unit being laminated, and the annular blade unit is soft by outer circular edge
Property connection the windowless annulus blade 501 of toroidal identical and windowing annulus blade 502 constitute, the annulus of windowless annulus blade
Face closure, the ring textures of windowing annulus blade have fenestra 503, and the aperture area is at least the annulus of windowing annulus blade
The 55% of the gross area, preferably fenestra are the fan ring fenestra concentric with windowing annulus blade.
Inner circle edge between the adjacent annular blade unit by windowless annular blade and windowing annular blade is flexible
Connection.
The windowless annulus blade and windowing annulus blade are referred to as annulus blade, the external diameter and internal diameter of the pipeline of annulus blade it
Than for 0.9~1, the ratio between internal diameter of annulus blade and internal diameter of the pipeline are 0.25~0.4.
The top of the pipeline is respectively adopted pipeline stuck-module with end and fixed and by pipeline stuck-module and top
Stuck-module is fixedly connected with end stuck-module, in the center control shaft insertion pipeline, the two ends difference of center control shaft
Top stuck-module and end stuck-module are inserted after through pipeline stuck-module, the central shaft control module is solid positioned at top
Determine the outside of module ends, central shaft controls axle module to control shaft end and PLC module connection respectively at center, and PLC module is led to
Cross the control shaft rotation of center control axle module control centre.The top stuck-module and end stuck-module have water inlet respectively
Mouth and delivery port, flowmeter are used to detect the fluid flow for passing through pipeline.
The retractable blades are nested in center control shaft outer surface, and center control shaft passes perpendicularly through all annular blade lists
The center of circle of member, one end of retractable blades is fixed on the pipeline stuck-module inner surface in pipe end, and the other end passes through screw thread
Connector is connected in the control shaft of center, when center control shaft rotates, axial movement of the threaded connector along center control shaft,
Drive retractable blades flexible along center control shaft, the windowless annular blade of retractable blades is towards pipeline top, and windowing is annular
Blade is towards pipe end
Embodiment
In the present embodiment, pipeline stuck-module is the ring flange with outlet pass, the pipeline stuck-modules of pipe ends it
Between using overall structure supporting steel plate 3 in being connected outside pipeline, the top stuck-module is duct chamber, and duct chamber side has
There is water inlet, one end of duct chamber uses the ring flange with outlet pass to be tightly connected with pipeline stuck-module, and the other end is used
Ring flange with centre bore is tightly connected with central shaft control module, and the center control shaft end of insertion top stuck-module leads to
Water-sealed bearing is crossed in centre bore, the central shaft control module includes being used to drive the electronic of center control shaft rotation
Machine, the PLC module is by controlling motor come the rotation of control centre's control shaft.The flowmeter is arranged on top stent
On the inlet pipeline of block connection, the data on flows that flow measurement is obtained is with electric signal transmission to PLC module.
The end stuck-module is duct chamber, and duct chamber one end of end end stuck-module uses the method with outlet pass
Blue disk is tightly connected with pipeline stuck-module, and the other end uses the ring flange with centre bore and outlet pass, and insert end is fixed
The center control shaft end of module is arranged in centre bore by bearing.
In the present embodiment, the external diameter of annulus blade is identical with internal diameter of the pipeline, and the ratio between annulus internal diameter blade and external diameter are 0.33,
The aperture area is the 60% of the annulus gross area of windowing annulus blade, by PLC module with the axle control of electric signal control centre
The rotation of motor in molding block simultaneously controls retractable blades to stretch, to adjust windowless annulus blade and windowing annulus blade
Subtended angle realizes vortex wave current.It is water by the fluid of vortex wave current generator, fluid is flowed into from inlet pipeline through flowmeter, and from
Flowed out in the outlet pass of the ring flange of end stuck-module end.
The overall structure diagram for the vortex wave current generator that embodiment is provided is as shown in figure 1, the annular blade unit
Windowless annulus blade and windowing annulus blade schematic diagram respectively as shown in figures 2-3.
The vortex wave current generator that the present embodiment is provided, the flow rate of water flow in by pipeline is controlled in 0.05~0.5m/s
In the range of when, by adjusting center control shaft adjusting module, make the leaf angle of extension type blade between 60 °~100 °
Change, water velocity often increases 0.045m/s, the angle of extension type blade increases 4 °, fluids within pipes stream can be kept to be formed surely
Fixed vortex wave current.The vortex wave current of generation is verified by PIV (particle image velocimetry), in defined stream
Fast interval can keep the reynolds number Re in the vortex wave current of generation stably, pipeline to change between 350-750, it is to avoid due to leaf
Piece hinders dynamics excessive, and vortex wave current is changed into the possibility of turbulent flow, so as to ensure that the stability of liquid heat transfer mass transfer, drops
Low energy consumption.
Claims (3)
1. a kind of vortex wave current generator, it is characterized in that the vortex wave current generator includes center control shaft adjusting module, stream
Gauge, PLC module and coaxial top stuck-module, pipeline stuck-module, pipeline, center control shaft, extension type blade and
End stuck-module, top and end are determined with fluid flow direction in pipeline,
The center control shaft surface has screw thread,
The extension type blade is made up of the annular blade unit being laminated, and the annular blade unit is connected by outer circular edge flexibility
The windowless annulus blade of toroidal identical and windowing annulus blade composition connect, the annulus face closure of windowless annulus blade is opened
The ring textures of window annulus blade have fenestra, and the aperture area is at least the annulus gross area of windowing annulus blade
55%, it is flexibly connected by the inner circle edge of windowless annular blade and windowing annular blade between adjacent annular blade unit, institute
State windowless annulus blade and windowing annulus blade be referred to as annulus blade, the ratio between external diameter of annulus blade and internal diameter of the pipeline for 0.9~
1, the ratio between internal diameter and internal diameter of the pipeline of annulus blade are 0.25~0.4;
The top of the pipeline and end are respectively adopted pipeline stuck-module and fix and fixed by pipeline stuck-module and top
Module is fixedly connected with end stuck-module, and in the center control shaft insertion pipeline, the two ends of center control shaft are each passed through
Top stuck-module and end stuck-module are inserted after pipeline stuck-module, the central shaft control module is located at top stent
The outside of block end, central shaft control axle module controls shaft end and PLC module to be connected with center respectively, and PLC module is in
The control shaft rotation of heart control axle module control centre, fluid is after top stuck-module enters pipeline again through end stuck-module
Outflow, flowmeter is used to detect the fluid flow by pipeline;
The retractable blades are nested in center control shaft outer surface, and center control shaft passes perpendicularly through all annular blade units
The center of circle, one end of retractable blades is fixed on the pipeline stuck-module inner surface in pipe end, and the other end is connected through a screw thread
Part is connected in the control shaft of center, when center control shaft rotates, axial movement of the threaded connector along center control shaft, is driven
Retractable blades are flexible along center control shaft, and the windowless annular blade of retractable blades is towards pipeline top, and open a window annular blade
Towards pipe end.
2. a kind of vortex wave current generator as claimed in claim 1, it is characterized in that fenestra is concentric with windowing annulus blade
Fan ring fenestra.
3. a kind of vortex wave current generator as claimed in claim 1 or 2, it is characterized in that pipeline stuck-module is with outlet pass
Ring flange, it is described using overall structure supporting steel plate in being connected outside pipeline between the pipeline stuck-module of pipe ends
Top stuck-module is duct chamber, and duct chamber side has water inlet, and one end of duct chamber uses the ring flange with outlet pass
It is tightly connected with pipeline stuck-module, the other end uses the ring flange with centre bore to be tightly connected with central shaft control module,
The center control shaft end for inserting top stuck-module is arranged in centre bore by water-sealed bearing, the central shaft control module
Including the motor for driving center control shaft rotation, the PLC module is by controlling motor come control centre's control shaft
Rotation, the flowmeter be arranged on top stuck-module connect inlet pipeline on;
The end stuck-module is duct chamber, and duct chamber one end of end end stuck-module uses the ring flange with outlet pass
It is connected with pipeline stuck-module, the other end is used in the ring flange with centre bore and outlet pass, insert end stuck-module
The heart controls shaft end to be arranged on by bearing in centre bore.
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CN201610064937.4A CN105571375B (en) | 2016-01-31 | 2016-01-31 | A kind of vortex wave current generator |
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CN201610064937.4A CN105571375B (en) | 2016-01-31 | 2016-01-31 | A kind of vortex wave current generator |
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CN105571375B true CN105571375B (en) | 2017-10-20 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1755119A (en) * | 2004-09-29 | 2006-04-05 | 阿耐斯特岩田株式会社 | Orbiting scroll in a scroll fluid machine |
CN1963205A (en) * | 2005-11-12 | 2007-05-16 | 柯恩龙 | Vortex fluid machinery |
CN205383929U (en) * | 2016-01-31 | 2016-07-13 | 河北工业大学 | Vortex wave current generator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100510414C (en) * | 2007-11-08 | 2009-07-08 | 南昌利柯即技术有限公司 | Vortex fluid machinery |
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2016
- 2016-01-31 CN CN201610064937.4A patent/CN105571375B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1755119A (en) * | 2004-09-29 | 2006-04-05 | 阿耐斯特岩田株式会社 | Orbiting scroll in a scroll fluid machine |
CN1963205A (en) * | 2005-11-12 | 2007-05-16 | 柯恩龙 | Vortex fluid machinery |
CN205383929U (en) * | 2016-01-31 | 2016-07-13 | 河北工业大学 | Vortex wave current generator |
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