CN202614073U - Rotor with multi-structural combined blades and in heat exchange tube - Google Patents
Rotor with multi-structural combined blades and in heat exchange tube Download PDFInfo
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- CN202614073U CN202614073U CN 201220224729 CN201220224729U CN202614073U CN 202614073 U CN202614073 U CN 202614073U CN 201220224729 CN201220224729 CN 201220224729 CN 201220224729 U CN201220224729 U CN 201220224729U CN 202614073 U CN202614073 U CN 202614073U
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- heat exchanger
- exchanger tube
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Abstract
The utility model provides a rotor with multi-structural combined blades and in a heat exchange tube. The rotor is composed of a hollow shaft and the blades, wherein each blade comprises a front portion and a tail portion which are different in structure, the front portion is in a helical structure, the tail portion is a flat blade portion, the two portions are fixed on the outer surface of the hollow shaft through a smooth circular arc transition, and a diversion trench is opened on the front portion. According to the rotor, fluid pushes the front portion of each blade to enable the rotor to obtain a driving force for rotation; the tail portion of each blade can provide a moment in an opposite direction to the driving force, so that the rotational speed of the rotor can be reduced and the service life of the rotor can be prolonged; and the diversion trench can guide the fluid to flow radially so as to facilitate radial mixing of the fluid and improve the heat exchange effect.
Description
Technical field
The utility model relates to a kind of interior inserted component that is applied to heat exchanger tube water side augmentation of heat transfer and antifouling scrubbing in the equipment such as shell-and-tube heat exchanger, heat exchange reactor.
Background technology
21st century is along with the continuous progress of society; Current social energy-saving and emission-reduction are the key technologies that the whole world is all paid much attention to; Especially all to be applied to many heat exchangers in various fields such as oil, chemical industry, thermoelectricity, nuclear power, metallurgy, light industry, aviation device and boats and ships vehicles; Wherein using is shell-and-tube heat exchanger the most widely, but in these heat exchanger tubes inwall ubiquity lamination dirt, cause fluid transporting resistance in pipeline to increase; Meeting blocking pipe when serious, heat transfer property greatly descends simultaneously; Dirt can seriously reduce heat transfer efficiency and cause great energy waste in the heat exchanger tube, and meanwhile dirt generally has corrosivity, therefore corrosion of tube wall, and leak fluid causes major safety risks.
On the problems referred to above, treating method traditionally is compelled exactly to be taked to stop production and please professional cleaning personnel clean, and has so not only stopped over the manufacturing schedule of factory, also need pay expensive cleaning charge simultaneously and use; In order to address this problem better, people study the on-line automatic augmentation of heat transfer that employing do not stop production and the various ways and the device of descaling and antiscaling always.Chinese patent number is ZL200520127121. 9, discloses the patent application that name is called " rotator type cleaning and heat-transfer enhancing device ", and this device is to be made up of suspension member, rotor, flexible shaft and stay pipe, and two suspension members are separately fixed at the two ends of heat exchanger tube; The appearance of rotor has scroll, and centre bore is arranged on the rotor; Stay pipe is located between rotor and the fixed mount, and flexible shaft passes the centre of rotor hole and stay pipe is fixed on two fixed mounts.This device has the function of on-line automatic antiscaling, descaling and augmentation of heat transfer, under the situation of fluid following current or adverse current in heat-transfer pipe, the effect of antiscaling, descaling and augmentation of heat transfer is arranged all.Publication No. be CN's 102128559 " heat exchanger tube in low driving force automatically cleaning with augmentation of heat transfer rotor " a kind of interior low driving force automatically cleaning of heat exchanger tube and augmentation of heat transfer rotor that tube side is the viscous fluid enhanced heat exchange that be specially adapted to disclosed.The edge of its root of blade and hollow cylinder is tangent, and the active area that fluid is acted on the blade increases, so the suffered rotary driving force increase of rotor, but because rotor blade is the noncontinuity structure, so the augmentation of heat transfer effect has had certain weakening.Patent No. CN 102006594 discloses denomination of invention and has been " radially asymmetric blade composite fabricated rotor in the heat exchanger tube ", and it is made up of hollow shaft, primary blades and auxilliary blade, and primary blades mainly plays the effect of the laminar flow layer that destroys the heat exchanger tube inwall; Augmentation of heat transfer and antiscaling, descaling; Auxilliary blade mainly is the effect of core flow in the disturbance heat exchanger tube, because the continuity of blade construction, when fluid velocity is big; The rotating speed of rotor is higher, and rotor life decreases.
The utility model content
The purpose of the utility model is the rotor of a kind of new construction of design, has adopted the box-like blade of multiple structural group, makes it under the high flow rate of fluid, has both guaranteed the enhanced heat exchange effect, can reduce the rotating speed of rotor again effectively, improves the life-span of rotor.
The utility model is that the technical scheme that adopts that achieves the above object is: many textural associations blade rotor in a kind of heat exchanger tube, to form by hollow shaft and blade, and blade comprises anterior leaflet and afterbody blade two parts; Anterior leaflet is different with the structure of afterbody blade; Anterior leaflet is a helical structure, and the afterbody blade is a straight blades, and two parts blade all is fixed on the hollow shaft outer surface; Between by the circular arc smooth transition; Rotor and locating part, suspension member are installed in the rotating shaft, and suspension member is fixed on the two ends of heat exchanger tube, and axial restraint is carried out through locating part in the two ends of suspension member.Fluid makes rotor obtain driving force and is rotated through promoting the rotor anterior leaflet, and the afterbody blade can provide a moment in the opposite direction with driving force, helps reducing the rotating speed of rotor, improves the service life of rotor;
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model has one or several V-arrangements, rectangle, trapezoidal or semi-circular cut-out on the edge of blade, to increase near the disturbance of the fluid tube wall, improve heat exchange efficiency.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model; When the rotor rotation resistance is too big, rotor rotation at need, forwardly be provided with between blade and the afterbody blade and open V-shaped part, make fluid from then on opening flow through; Can reduce fluid flow resistance, regulate the velocity of rotation of rotor.In addition, the afterbody blade is to be divided into several sections an of determining deviation, and fluid intermittently is agitated, and the disturbance of rotor convection cell is more violent.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model is characterized in that: the hollow shaft cross sectional shape of rotor is open circles taper, hollow cylinder, hollow nodal figure or hollow many rhombuses, to reduce drag losses.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model is characterized in that: have guiding gutter on the anterior leaflet of rotor, can guide the Radial Flow of fluid, promote the radially mixing of fluid, improve the augmentation of heat transfer effect.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model; It is characterized in that: the hollow shaft two ends of rotor are respectively arranged with boss and shrinkage pool; The boss of the hollow shaft head of the shrinkage pool of a preceding rotor hollow shaft afterbody and adjacent next rotor matches, to guarantee that rotor normally rotates.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model; It is characterized in that: the anterior leaflet of rotor can be different helical structure of helical pitch or the different helical structure of rotation direction with the afterbody blade; Two parts axial length ratio can be selected as required, so that obtain required heat exchange effect and rotor speed.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model is characterized in that: the anterior leaflet of rotor and afterbody blade can be discontinuous, and the two is interlaced at a certain angle.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model is characterized in that: the material of rotor can be macromolecular material, polymer composite, metal or ceramic material.
The beneficial effect of a kind of heat exchanger tube of the utility model water side suspension member is: 1, the blade of many textural associations blade rotor comprises anterior leaflet and afterbody blade two parts in a kind of heat exchanger tube; Anterior leaflet is different with the structure of afterbody blade; Anterior leaflet is a helical structure, and the afterbody blade is a straight blades, and fluid is through promoting the rotor anterior leaflet; Making rotor obtain driving force is rotated; The afterbody blade can provide a moment in the opposite direction with driving force, helps reducing the rotating speed of rotor, improves the service life of rotor; 2, have one or several V-arrangements, rectangle, trapezoidal or semi-circular cut-out in a kind of heat exchanger tube on the blade edge of many textural associations blade rotor,, improve heat exchange efficiency to increase near the disturbance of the fluid tube wall.3, the hollow shaft cross sectional shape of many textural associations blade rotor is open circles taper, hollow cylinder, hollow nodal figure or hollow many rhombuses in a kind of heat exchanger tube, to reduce drag losses; 4, have guiding gutter on the anterior leaflet of many textural associations blade rotor in a kind of heat exchanger tube, can guide the Radial Flow of fluid, promote the radially mixing of fluid, improve the augmentation of heat transfer effect; 5, the hollow shaft two ends of many textural associations blade rotor are respectively arranged with boss and shrinkage pool in a kind of heat exchanger tube, and the boss of the hollow shaft head of the shrinkage pool of preceding rotor hollow shaft afterbody and adjacent next rotor matches, to guarantee that rotor normally rotates; 6, the anterior leaflet of many textural associations blade rotor can be different helical structure of helical pitch or the different helical structure of rotation direction with the afterbody blade in a kind of heat exchanger tube; Two parts axial length ratio can be selected as required, so that obtain required heat exchange effect and rotor speed.
Many textural associations blade rotor in a kind of heat exchanger tube of the utility model according to the internal diameter of heat exchanger tube, is confirmed the external diameter of rotor; Flow velocity according to the heat exchanger tube inner fluid; The structure and the axial length ratio of selected rotor anterior leaflet and afterbody blade, as the case may be, the lobe numbers of selected rotor.
Description of drawings
Fig. 1 is the front view of many textural associations blade rotor in a kind of heat exchanger tube of the utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the 3-D view of Fig. 1.
Fig. 4 is the mounting structure sketch map of many textural associations blade rotor in a kind of heat exchanger tube of the utility model.
Fig. 5 is the 3-D view of Fig. 4.
Among the figure: the 1-rotating shaft; The 2-locating part; The 3-suspension member; The 4-rotor; The 5-hollow shaft; The 6-blade; The 7-anterior leaflet; 8-afterbody blade; The 9-guiding gutter; The 10-shrinkage pool; The 11-boss; The 12-otch;
The specific embodiment
Like Fig. 4 and shown in Figure 5; A kind of application implementation example of many textural associations blade rotor in a kind of heat exchanger tube that the utility model relates to; It comprises rotating shaft 1, locating part 2, suspension member 3 and rotor 4; The suspension member 3 of the utility model is to be installed in the rotating shaft 1, and many textural associations blade rotor 4 is installed in the rotating shaft 1 in a kind of heat exchanger tube of several the utility model, and the rotor 4 of the utility model is made up of hollow shaft 5 and blade 6 two parts; Blade 6 comprises anterior leaflet 7 and afterbody blade 8, and axial restraint is carried out through locating part 2 in the two ends of suspension member 3.
Like Fig. 1 to Fig. 5; Fig. 1 is the front view of many textural associations blade rotor in a kind of heat exchanger tube of utility model; Fig. 2 is the right view of Fig. 1; Fig. 3 is the 3-D view of Fig. 1, and Fig. 4 is the mounting structure sketch map of many textural associations blade rotor in a kind of heat exchanger tube of the utility model, and Fig. 5 is the 3-D view of Fig. 4.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model is made up of hollow shaft 5 and blade 6, and blade 6 comprises anterior leaflet 7 and afterbody blade 8 two parts; Anterior leaflet 7 is different with the structure of afterbody blade 8; Anterior leaflet 7 is a helical structure, and afterbody blade 8 is a straight blades, and two parts blade all is fixed on hollow shaft 5 outer surfaces; Between by the circular arc smooth transition; Rotor 4 is installed in the rotating shaft 1 with locating part 2, suspension member 3, and suspension member 3 is fixed on the two ends of heat exchanger tube, and axial restraint is carried out through locating part 2 in the two ends of suspension member 3.Fluid makes rotor 4 obtain driving force and is rotated through promoting rotor 4 anterior leaflet 7, and afterbody blade 8 can provide a moment in the opposite direction with driving force, helps reducing the rotating speed of rotor 4, improves the service life of rotor 4.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model has one or several V-arrangements, rectangle, trapezoidal or semi-circular cut-out 12 on blade 6 edges of rotor 4, to increase near the disturbance of the fluid tube wall, improve heat exchange efficiency.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model, hollow shaft 5 cross sectional shapes of rotor 4 are open circles taper, hollow cylinder, hollow nodal figure or hollow many rhombuses, to reduce drag losses.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model has guiding gutter 9 on the anterior leaflet 7 of rotor 4, can guide the Radial Flow of fluid, promotes the radially mixing of fluid, improves the augmentation of heat transfer effect.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model; Hollow shaft 5 two ends of rotor 4 are respectively arranged with boss 11 and shrinkage pool 10; The shrinkage pool 10 of preceding rotor 4 hollow shafts 5 afterbody matches with the boss 11 of hollow shaft 5 heads of adjacent next rotor 4, to guarantee that rotor 4 normally rotates.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model; The anterior leaflet 7 of rotor 4 can be different helical structure of helical pitch or the different helical structure of rotation direction with afterbody blade 8; Two parts axial length ratio can be selected as required, so that obtain required heat exchange effect and rotor speed.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model, the anterior leaflet 7 and the afterbody blade 8 of rotor 4 can be discontinuous, the two is interlaced at a certain angle.
Many textural associations blade rotor 4 in a kind of heat exchanger tube of the utility model, the material of rotor 4 can be macromolecular material, polymer composite, metal or ceramic material.
Claims (7)
1. many textural associations blade rotor in the heat exchanger tube; Be made up of hollow shaft and blade, it is characterized in that: blade comprises anterior leaflet and afterbody blade two parts, and the structure of anterior leaflet and afterbody blade is inequality; Anterior leaflet is a helical structure; The afterbody blade is a straight blades, and two parts blade all is fixed on the hollow shaft outer surface, and two parts blade and hollow shaft outer surface are by the circular arc smooth transition.
2. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1 is characterized in that: have one or several V-arrangements, rectangle, trapezoidal or semi-circular cut-out on the edge of blade.
3. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1 is characterized in that: the afterbody blade is to be divided into several sections an of determining deviation.
4. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1 is characterized in that: the hollow shaft cross sectional shape is open circles taper, hollow cylinder, hollow nodal figure or hollow many rhombuses.
5. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1 is characterized in that: have guiding gutter on the anterior leaflet of rotor.
6. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1; It is characterized in that: the hollow shaft two ends of rotor are respectively arranged with boss and shrinkage pool, and the boss of the hollow shaft head of the shrinkage pool of preceding rotor hollow shaft afterbody and adjacent next rotor matches.
7. many textural associations blade rotor in a kind of heat exchanger tube according to claim 1 is characterized in that: the anterior leaflet of rotor and afterbody blade are discontinuous, and the two is interlaced at a certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224729 CN202614073U (en) | 2012-05-17 | 2012-05-17 | Rotor with multi-structural combined blades and in heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224729 CN202614073U (en) | 2012-05-17 | 2012-05-17 | Rotor with multi-structural combined blades and in heat exchange tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614073U true CN202614073U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220224729 Expired - Fee Related CN202614073U (en) | 2012-05-17 | 2012-05-17 | Rotor with multi-structural combined blades and in heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645121A (en) * | 2012-05-17 | 2012-08-22 | 北京化工大学 | Multi-structure combined blade rotor in heat exchange tube |
| CN103411464A (en) * | 2013-08-05 | 2013-11-27 | 北京化工大学 | Through hole spring and helical blade rotor in heat exchange tube |
| CN103411467A (en) * | 2013-08-02 | 2013-11-27 | 北京化工大学 | Low driving rotor with turbulence core and in heat exchange tube |
| CN104984959A (en) * | 2015-07-06 | 2015-10-21 | 山东南郊敢当环保工程有限公司 | Descaling device, pipeline comprising same and descaling method |
-
2012
- 2012-05-17 CN CN 201220224729 patent/CN202614073U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645121A (en) * | 2012-05-17 | 2012-08-22 | 北京化工大学 | Multi-structure combined blade rotor in heat exchange tube |
| CN103411467A (en) * | 2013-08-02 | 2013-11-27 | 北京化工大学 | Low driving rotor with turbulence core and in heat exchange tube |
| CN103411464A (en) * | 2013-08-05 | 2013-11-27 | 北京化工大学 | Through hole spring and helical blade rotor in heat exchange tube |
| CN103411464B (en) * | 2013-08-05 | 2015-02-18 | 北京化工大学 | Through hole spring and helical blade rotor in heat exchange tube |
| CN104984959A (en) * | 2015-07-06 | 2015-10-21 | 山东南郊敢当环保工程有限公司 | Descaling device, pipeline comprising same and descaling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140517 |