CN206160801U - Bionical blade rotor of magnetism in heat exchange tube - Google Patents
Bionical blade rotor of magnetism in heat exchange tube Download PDFInfo
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- CN206160801U CN206160801U CN201621220644.2U CN201621220644U CN206160801U CN 206160801 U CN206160801 U CN 206160801U CN 201621220644 U CN201621220644 U CN 201621220644U CN 206160801 U CN206160801 U CN 206160801U
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- rotor
- blade
- hollow shaft
- magnet
- bionic blade
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Abstract
The utility model aims to design a bionical blade rotor of magnetism in heat exchange tube, the blade surface of this rotor has set up the rectangular open hole structure, and rectangular open hole department be provided with with the whole opposite direction's of blade the little leaf structure of spiral, simultaneously there is magnet in that rotor hollow shaft both ends are additional, this structure rotor is when obviously reducing an adjacent rotor frictional resistance and reducing the flow resistance, do not weaken the enhanced heat transfer and the self cleaning property ability of rotor, can further improve the intensive heat transfer and the scale removal nature of rotor on the contrary.
Description
Technical field
The present invention relates to one kind is applied in the equipment such as shell-and-tube heat exchanger, heat exchange reactor augmentation of heat transfer in heat exchanger tube
With the interior inserted component of antifouling decontamination, more particularly to one kind with heat exchanger tube internal heat transfer fluid as power, realize self-cleaning reinforced biography
The bionical (Sha Yu Gill of magnetic of the low-energy-consumption high-efficiency of hot merit energy) blade rotor.
Background technology
Energy-saving and emission-reduction are the key technologies that the whole world is all paid much attention to, oil, chemical industry, thermoelectricity, nuclear power, metallurgy,
The various fields such as light industry, aviation and ship vehicle will be applied to the heat exchanger of many, wherein what is be most widely used is
Shell-and-tube heat exchanger, but these heat exchange inside pipe walls in generally existing contamination fouling problem, cause fluid to convey in the duct
Resistance increases, and pipeline can be blocked when serious, while heat transfer property greatly declines；Great energy waste is produced, additionally, dirt is general
With corrosivity, wall erosion can be caused, so that fluid leakage causes major safety risks, therefore traditional treating method
Exactly it is forced to take stopping production cleaning, so not only delays the manufacturing schedule of factory, while also needs to pay expensive cleaning charge
With；In order to preferably solve these problems, people are studied always using the on-line automatic augmentation of heat transfer and descaling and antiscaling not stopped production
Various methods and device.Many antiscaling, descaling method and apparatus are occurred in that in recent years, and one of them utilizes fluid forces spiral
The method that tie rotational energy realizes online automatic desludging, Chinese Patent Application No. is：CN1424554, patent name is " dual turbulent
The innovation and creation of spiral enhanced heat exchange and automatic descaling apparatus ", the device is used as augmentation of heat transfer and its automatic desludging, includes
Spiral band, fixed mount, spiral band is arranged in helix tube, drives spiral band to turn using by flow of fluid in heat exchanger tube
It is dynamic.Due to spiral band be a whole band, heat exchanger tube through processing install after it is not straight enough, spiral band with heat exchange inside pipe wall
Between can produce uneven gap, the scale removal effect of such tie is little and uneven, and scale removal effect is undesirable.Spiral band method
In apparatus for eliminating sludge, spiral band is single-ended fixation, and the other end freely swings, and the radial dimension of twisted straps is less than heat-transfer pipe
Internal diameter.Comprehensive spiral band once has following major defect：(1) tie is one overall, to the direct scraping of heat-transfer pipe, damages heat exchange
Inside pipe wall；(2) promoting tie to rotate during flow of fluid needs larger driving moment, consumes more fluid dynamic energies；(3) it is single-ended
The service life of fixed bearing is short；(4) the field coordination augmentation of heat transfer effect that tie is produced is not notable.China Patent No. afterwards
For ZL200520127121.9, the patent application of entitled " rotator type cleaning and heat-transfer enhancing device " is disclosed, this dress
Putting is made up of fixed mount, rotor, flexible shaft and support tube, and two fixed mounts are separately fixed at the two ends of heat exchanger tube；Outside rotor
There is scroll on surface, there is centre bore on rotor；Support is erected between rotor and fixed mount, centre bore of the flexible shaft through rotor
It is fixed on two fixed mounts with support tube.The device has the function of on-line automatic antiscaling, descaling and augmentation of heat transfer, and fluid is being passed
In heat pipe following current or adverse current in the case of, play the role of antiscaling, descaling and augmentation of heat transfer.But have the disadvantage logical in certain fluid
Out-of-date, the rotary speed of rotor is determined by the lead angle of spiral shell rib, fast in the rotary speed of spiral shell rib helical pitch hour rotor,
The resistance of fluid is increased therewith simultaneously；To solve this problem, Chinese Patent Application No. 200910077378.0 is entitled
A kind of " unit-combination type heat transfer enhancement device ", the device is made up of rotor, bracing frame, set axle and connection axis, bracing frame
Heat-transfer pipe two ends are fixed on, the two ends for connecting axis are separately fixed on bracing frame, multiple rotors are installed on connection axis, are turned
Son is made up of flow-disturbing vane, hinge hinge structure, afterbody screw drives blade, and the structure can significantly reduce tube fluid
Flow resistance, reduction abrasion, the service life of Extending Rotor, but the augmentation of heat transfer and antiscaling, descaling ability of the construction rotor are subject to
Certain restriction.
The content of the invention
The purpose of the present invention is to design a kind of rotor of new construction, and the blade surface of the rotor is provided with rectangle opening knot
Structure, and the spiral leaflet chip architecture contrary with blade general direction is provided with rectangle opening, such as the shark gill, while
Rotor hollow shaft two ends are attached with magnet, and the construction rotor is being obviously reduced frictional resistance and reduction fluid resistance between adjacent rotor
While, do not weaken the augmentation of heat transfer and self-cleaning performance of rotor, the enhanced heat exchange of rotor can be further improved on the contrary
And scale removal.
The present invention is that the solve the above problems technical scheme of employing is：The bionical rotor of magnetic in heat exchanger tube, by magnet, hollow
What axle, solid vane and bionic blade were constituted, magnet is located at hollow shaft two ends, and magnet external diameter is more than hollow shaft external diameter, magnet magnetic
Power is larger, and front rotor head magnet is homopolarity with rear rotor afterbody magnet, i.e., magnet everywhere is same polarity, using homopolar-repulsion
Friction before and after reduction between two rotors.Bionic blade and solid vane are spaced positioned at hollow shaft surface, bionic blade and
Solid vane external diameter less than heat exchange bore, bionic blade and solid vane around hollow shaft in the shape of a spiral, solid vane surface light
It is sliding, and bionic blade surface is provided with open-celled structure, similar to imitative Sha Yu Gill, not only can reduce the contact area with fluid,
And playing water conservancy diversion with flow-disturbing effect, it is possible to reduce fluid flows through pressure loss during rotor.In order to reduce tube fluid flowing resistance
While power, the augmentation of heat transfer and self-cleaning performance of rotor is further enhanced, bionic blade is carried out into perforate process, hole shape
For rectangle, and the spiral vanelets contrary with blade direction of rotation are set in tapping, perforate blade is contacted at first with fluid
Seamed edge carries out rounding or bevelling, and the reverse vanelets of tapping carry out rounding and bevelling.Hollow shaft is away from water inlet end edge
Circumferencial direction is uniformly provided with the identical hole and is provided with reverse vanelets, by changing perforate blade along hollow shaft axial direction
Helical angle, axial length, along hollow shaft radial height, the size of through hole, number of openings, the helical angle of reverse acting spiral vanelets,
Axial length, blade quantity are changing turning moment of the fluid to rotor, combination fixed form of the perforate blade in hollow shaft
It is easy to installation of the rotor in heat exchanger tube.When heat-transfer fluid flows through perforate blade, axial force, perforate blade can be produced to rotor
Hinder heat-transfer fluid so that fluid flow direction change, formed mixed flow.Two ends of rotor magnet is smooth magnet, and rotor is in rotation
Adjacent magnets act on forming magnetic field in work, and rear rotor head magnet is homopolarity with front rotor afterbody magnet, using homopolar-repulsion
Friction before and after reduction between two rotors, is formed by the dual reinforcing of blade and magnet so as to reach augmentation of heat transfer and prevention dirt
With the purpose of deposition.Tapping reverse acting spiral vanelets can make fluid between blade and blade in rotor rotation process
The radial motion in region is enhanced, and further enhances the flow-disturbing effect of opening area, while to near-wall heat-transfer fluid
Laminar boundary layer produces impact, so as to break the laminar boundary layer of ring heat-transfer fluid, further realizes antiscale decontamination and augmentation of heat transfer
Effect.
Magnetic bionic blade rotor in heat exchanger tube of the present invention, along the equally distributed perforate blade number of hollow shaft circumferencial direction
For one, it is two or more, solid vane number be one, it is two or more.
Magnetic bionic blade rotor in heat exchanger tube of the present invention, a rotor magnet number is two, front end one, rear end one
It is individual.
Magnetic bionic blade rotor in heat exchanger tube of the present invention, in tapping reverse acting spiral vanelets number be one, two
Individual or multiple, reverse acting spiral vanelets are perpendicular with hollow shaft, thus flow-disturbing effect is stronger, due to reverse acting spiral vanelets edge
Radially there is certain length, while reverse acting spiral vanelets rotate together with bionic blade in heat exchanger tube so that fluid stream
Dynamic velocity variations are more, and flow-disturbing effect is more preferable.
To prevent phase mutual friction of the rotor in rotation process between axial direction, the hollow shaft two ends of the rotor to be provided with magnetic
Iron, two adjacent magnets are homopolar magnet, and homopolar magnet is mutually exclusive, realize the friction reduced between adjacent rotor,
Magnetic bionic blade rotor whole can go here and there and be threaded onto on connection axis in heat exchanger tube of the present invention, and connection axis can be firm
The pole of property, or the tightrope of flexibility；Identical or different some groups of rotor quantity can also be divided into by locating part, be made
Rotor uniform rotation.
The blade of magnetic bionic blade rotor, reverse acting spiral vanelets and hollow shaft are by macromolecule in heat exchanger tube of the present invention
Material, polymer-based composite, metal or ceramic material.
The perforate blade of the rotor along the helical angle of hollow shaft axial direction, axial length, the height along hollow Axial and radial, open
Helical angle, the axial direction of the distance of the size in hole, the number of openings, perforate and hollow shaft, reverse acting spiral vanelets along hollow shaft axial direction
Length, along the height of hollow Axial and radial, magnet size, variation of magnetic force can be according to operating modes such as velocity of medium in heat exchange bore, pipe
The intensity of condition and rotor itself, wearability are processed into original determination with reference to manufacture, and independent rotation is taken between adjacent rotor
Structure.
The invention has the beneficial effects as follows：1st, the rotor blade surface invented is provided with open-celled structure, with reduce fluid with
The contact area of rotor blade, reduction fluid flows through pressure loss during rotor.2nd, tapping is provided with reverse acting spiral vanelets, instead
To spiral vanelets in rotor rotation process, the radial motion that can enable fluid mass between blade and blade adds
By force, the flow-disturbing effect of opening area is further enhanced, while impact is produced to the laminar boundary layer of near-wall heat-transfer fluid, from
And the laminar boundary layer of destruction heat-transfer fluid, realize the effect of antiscaling, descaling and augmentation of heat transfer.3rd, perforate blade surface perforate knot
The presence of structure and reverse acting spiral vanelets causes just to be improved to heat transfer stream in the case of perforate blade radial is highly less
The destruction in body boundary layer, so as to saving the cost of manufacture of rotor and being conducive to installing；4th, homopolar magnet is arranged at adjacent
Blade two ends, the principle of homopolar-repulsion can reduce the axial rub between adjacent rotor, reduce the abrasion to rotor, further
The running efficiency of single rotor is improved, so as to improve the reinforcing heat exchange capability of whole device.5th, phase is defined between magnet
The field of magnetic forece of interaction, the dirt that tube wall is sticked in the presence of field of magnetic forece can be disturbed, and disturbed dirt is easier
The liquid for being flowed is taken away, so as to further improve rotor blowdown scale removal ability.
Description of the drawings
Fig. 1 is magnetic bionic blade rotor three dimensional structure diagram in heat exchanger tube of the present invention；
Fig. 2 is magnetic bionic blade rotor mounting structure schematic diagram in heat exchanger tube of the present invention；
In figure, 1-bionic blade, 2-rectangle opening, 3-magnet, 4-hollow shaft, 5-reverse acting spiral vanelets, 6-
Locating part, 7-heat exchanger tube, 8-rotating shaft
Specific embodiment
As shown in Fig. 2 in a kind of heat exchanger tube according to the present invention magnetic bionic blade rotor a kind of implementation, reinforcing
Heat transfer unit (HTU) includes rotor, locating part 6, heat exchanger tube 7, rotating shaft 8, and several rotors are cascaded by rotating shaft 8, and locating part 6 will
Multiple rotors are divided into a few group rotor strings, are fixed on the two ends of heat exchanger tube 7, and the two ends of rotating shaft 8 are separately fixed on heat exchanger tube 7, this
Bright rotor is fixed on what is constituted on the surface of hollow shaft 4 by the bionic blade 1 of certain amount, and bionic blade surface is provided with square
Reverse acting spiral vanelets 5 in shape perforate 2 and perforate.In two adjacent rotors, the magnet of the head of hollow shaft 4 of a rotor
3 repel in combination with the magnet 3 of another rotor afterbody so as to play a part of homopolar magnet.
As shown in figure 1, the cross sectional shape of hollow shaft 3 of magnetic bionic blade rotor is open circles in a kind of heat exchanger tube of the invention
Cylindricality；There are two bionic blades 1 and two solid vanes on rotor hollow shaft 3, two bionic blades 1 are symmetrical, hollow shaft 3
On be additionally provided with magnet 4.The surface of bionic blade 1 is provided with multigroup rectangle opening 2 and reverse acting spiral vanelets 5, and reverse acting spiral is little
Blade 5 is vertical with hollow shaft 3.
In the present invention, the heat-transfer fluid in heat exchanger tube 7 can produce axial force and rotating torque in flow process to rotor,
Bionic blade 1 make fluid flow direction change, formed mixed flow, bionic blade 1 around hollow shaft 4 in the shape of a spiral, fluid forces
Rotor is rotated, and the mixed flow of heat-transfer fluid itself is also strengthened, so as to reach the purpose of augmentation of heat transfer and prevention dirt deposition.
When heat-transfer fluid flows through the rectangle opening 2 on the surface of bionic blade 1, the resistance of flow of fluid is reduced, and enhance heat transfer stream
The tangential flowing of body, so as to further up to augmentation of heat transfer and prevent dirt formation and deposition purpose.The table of bionic blade 1
Face rectangle opening 2 is provided with reverse acting spiral vanelets 5, reverse acting spiral vanelets 5 in rotor rotation process, can make blade with
The radial motion of fluid mass between blade is enhanced, and further enhances the flow-disturbing effect in the region of rectangle opening 2, while to pipe
The laminar boundary layer of heat-transfer fluid produces impact near wall, so as to destroy the laminar boundary layer of heat-transfer fluid, further realizes preventing
Dirty scale removal and the effect of augmentation of heat transfer.This kind of form rotor can pass through to change spiral of the bionic blade 1 along the axial direction of hollow shaft 4
Angle, axial length, the height along the radial direction of hollow shaft 4, the area of bionic blade 1, the quantity of bionic blade 1, bionic blade 1 with it is hollow
The distance of axle 4, the helical angle of reverse acting spiral vanelets 5, axial length, along the height of the radial direction of hollow shaft 4 changing fluid to turning
The turning moment of son, makes rotor rotating flow in heat exchanger tube smooth, and the two ends magnet 3 of rotor hollow shaft 4 causes adjacent two rotor because same
Pole magnet repels each other and reduces frictional resistance, improves rotor rotational efficienty.
Claims (4)
1. magnetic bionic blade rotor in heat exchanger tube, it is characterised in that：By magnet, hollow shaft, solid vane and bionic blade structure
Into, magnet is located at hollow shaft two ends, and magnet external diameter is more than hollow shaft external diameter, front rotor head magnet and rear rotor afterbody magnet
For homopolarity；Bionic blade and solid vane are spaced positioned at hollow shaft surface, and bionic blade and solid vane external diameter are less than changing
Around hollow shaft in the shape of a spiral, solid vane surface is smooth, and bionic blade surface sets for heat pipe internal diameter, bionic blade and solid vane
It is equipped with open-celled structure.
2. magnetic bionic blade rotor in heat exchanger tube according to claim 1, it is characterised in that：Bionic blade is opened
Hole is processed, and hole shape is rectangle, and arranges the spiral vanelets contrary with blade direction of rotation in tapping, and perforate blade is most
The seamed edge for first contacting with fluid carries out rounding or bevelling, and the reverse vanelets of tapping carry out rounding and bevelling.
3. magnetic bionic blade rotor in heat exchanger tube according to claim 1, it is characterised in that：Along hollow shaft circumferencial direction
Equally distributed bionic blade number be one, it is two or more, solid vane number be one, it is two or more.
4. magnetic bionic blade rotor in heat exchanger tube according to claim 1, it is characterised in that：Reverse acting spiral vanelets with
Hollow shaft is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220644.2U CN206160801U (en) | 2016-11-14 | 2016-11-14 | Bionical blade rotor of magnetism in heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220644.2U CN206160801U (en) | 2016-11-14 | 2016-11-14 | Bionical blade rotor of magnetism in heat exchange tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206160801U true CN206160801U (en) | 2017-05-10 |
Family
ID=58659875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621220644.2U Withdrawn - After Issue CN206160801U (en) | 2016-11-14 | 2016-11-14 | Bionical blade rotor of magnetism in heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206160801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403699A (en) * | 2016-11-14 | 2017-02-15 | 北京化工大学 | Magnetic bionic blade rotors in heat exchange pipe |
-
2016
- 2016-11-14 CN CN201621220644.2U patent/CN206160801U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403699A (en) * | 2016-11-14 | 2017-02-15 | 北京化工大学 | Magnetic bionic blade rotors in heat exchange pipe |
| CN106403699B (en) * | 2016-11-14 | 2018-06-26 | 北京化工大学 | Magnetic bionic blade rotor in heat exchanger tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20180626 |
|
| AV01 | Patent right actively abandoned |