CN201368695Y - Unit combined-type enhanced heat transfer device - Google Patents
Unit combined-type enhanced heat transfer device Download PDFInfo
- Publication number
- CN201368695Y CN201368695Y CNU2009201058288U CN200920105828U CN201368695Y CN 201368695 Y CN201368695 Y CN 201368695Y CN U2009201058288 U CNU2009201058288 U CN U2009201058288U CN 200920105828 U CN200920105828 U CN 200920105828U CN 201368695 Y CN201368695 Y CN 201368695Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- heat transfer
- sleeve
- unit
- type heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a unit combined-type enhanced heat transfer device and relates to a unit type enhanced heat transfer device employing fluid in heat transfer tube as power; the heat transfer device comprises a rotor, a support frame, sleeve shafts and a connecting shaft wire, wherein the support frame is fixed on both ends of a heat transfer tube, both ends of the connecting shaft wire are respectively fixed on the support frame, the center of each sleeve shaft is provided with a through hole, a plurality of sleeve shafts are nested on the connecting shaft wire, the rotor is nested on the sleeve shafts, one rotor or a plurality of rotors is or are matched with the sleeve shafts. The rotor is composed of turbulent rotary vanes, a hinge chain structure and a tail helical drive propeller. In the technical proposal, the rotor is driven to rotate in proper speed by fluid in heat transfer tube through the tail helical drive propeller for having suppression and cleaning effects on accumulated dirt, the proportion of straight part of the turbulent rotary vanes and the length of the tail part helical drive propeller is flexible according to actual demands; besides, projections can be arranged on the sheet edges to further disturb the fluid flowing for improving the heat-transfer and self-cleaning effects.
Description
Technical field
The utility model relates to a kind of interior inserted component that is applied to prevent in the heat-transfer pipe in the equipment such as shell-and-tube heat exchanger, heat exchange reactor dirt and augmentation of heat transfer, particularly relates to a kind of modular strengthening and heat transferring device field that utilizes the heat-transfer pipe inner fluid as power.
Background technology
All to be applied to a large amount of shell-and-tube heat exchangers at numerous areas such as petrochemical industry, electric power, metallurgy, papermaking, food, as condenser, evaporimeter etc.These heat exchangers because near the delay boundary layer in the zone the tube wall is thicker, influence heat exchange efficiency in process of production, at the ubiquitous dirt in heat-transfer surface surface, make heat transfer efficiency significantly reduce in addition, and energy consumption significantly increases.For this reason, the passive measure that need take usually to stop production and clean greatly reduces production efficiency.ZL95236063 discloses the patent application that the utility model name is called " rotator type cleaning and heat-transfer enhancing device ", and this device is made of fixed mount, rotor, flexible shaft and stay pipe, and two fixed mounts are separately fixed at the two ends of heat-transfer pipe; The appearance of rotor has the spiral shell rib, 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 the pre-good antiscale property of automatic on-line, cleaning and the turbulent flow reinforced heat transfer of rotor.Under the situation of fluid following current or adverse current in heat-transfer pipe, the effect of scale inhibition and augmentation of heat transfer is arranged all.But, because its structure is continuous spiral shell rib design, when working media flows in heat-transfer pipe, under the certain duty of flow, the rotary speed of rotor is that the lead angle by the spiral shell rib is determined that lead angle is more little, and promptly spiral shell rib helical pitch is short more, then rotary speed of rotator is fast more, but its flow resistance also increases thereupon simultaneously.When rotary speed of rotator higher, for example more than 200 rev/mins the time, the heat-transfer pipe inner fluid then causes turbulent flow under the disturbance of spiral shell rib, the augmentation of heat transfer effect is remarkable, still, it is also very outstanding that flow resistance increases problem, bright through the water flow test card, be that 8 meters, diameter are in 23 millimeters the heat-transfer pipe in length, adopting helical pitch is that the heat-transfer pipe of 100 millimeters triangular rotor contrasts with light pipe, because flow area reduces under the pumping condition of equal-wattage, flow reduces more than 30%.Though the problem that the way by perforate on the spiral shell rib can make flow resistance increase obtains alleviation to a certain degree, to processing and forming bring that mould structure is complicated, a series of problems such as manufacturing cost increase, service life shorten.
Summary of the invention
The purpose of this utility model is a kind of unit-combination type heat transfer enhancement device of design, when keeping the cleaning and heat-transfer enhancing performance, can reduce significantly medium in the pipe flow resistance, reduce abrasion, prolong the service life of rotor, and improve the controllability of working rotor rotating speed.
The technical scheme that the utility model addresses the above problem employing is: a kind of unit-combination type heat transfer enhancement device comprises rotor, bracing frame, sleeve and is connected axis, bracing frame is fixed on the two ends of heat-transfer pipe, the two ends that connect axis are separately fixed on the bracing frame, the adjacent supports frame both can be independent separately, also can be coupled to one, the sleeve center is a through hole, and several sleeves are threaded onto and connect on the axis, described rotor is threaded onto on the sleeve, and one or more rotors and a sleeve are supporting.
Rotor by single rib digonous or many ribs flow-disturbing vane, cylinder or hinge hinge arrangement, afterbody screw drives blade form, afterbody screw drives blade has the inclined-plane that seamlessly transits, and the head of flow-disturbing vane (fluoran stream surface) edge is arc structure or chamfering or streamline structure.
Rotor flow-disturbing vane can be straight foil or corrugated turbulence structure, also can be the hollow line mount structure, or the spring-like helix.
The flow-disturbing vane of rotor or afterbody screw drives blade can be provided with projection, groove or through hole hollow out.
The cover shaft end is provided with coaxial configuration, and headtotail between the sleeve, rotor install on it, and the coaxial configuration of sleeve is the circular cone mode, can also be ball-and-socket mode, universal joint mode or buckle mode, and the place of being end-to-end also can be provided with spline structure.
Rotor combines end face with the sleeve big end surface and is provided with the liquid film self-lubricating structure.
Described rotor and the sleeve combination whole string data that can join end to end is threaded onto and is connected on the axis, also can be divided into identical or different some groups of rotor quantity by locating part, makes rotary speed of rotator even.Rotor is threaded onto with the sleeve combination and is connected on the axis, and connecting axis can be the pole of rigidity, also can be flexible tightrope.
Described rotor is to make by pottery, metal or by macromolecular material or composite.
The rotor sleeve of cleaning and heat-transfer enhancing combination in the heat-transfer pipe that the utility model relates to, the parameters such as angle that the length of its single parts, rotation outside diameter and afterbody screw drives blade are tilted can be determined according to situations such as condition of work such as velocity of medium in heat-transfer pipe internal diameter, the pipe and manufacturing costs.
The beneficial effects of the utility model are: 1, tube fluid takes place and the sleeve relative rotary motion around connecting axis with proper speed by the afterbody screw drives blade driving rotor of rotor, thereby dirt deposition had inhibition and cleaning effect, simultaneously, flow media is formed with the flow regime that is beneficial to augmentation of heat transfer in the pipe under the water conservancy diversion of rotor flow-disturbing vane and perturbation action; 2, the circulation of the straight portion convection cell of flow-disturbing vane does not have resistance, and rotor occupied space circulation area little, that heat-transfer pipe is axial in heat-transfer pipe is big, blocking rate is low, and flow resistance is little, thus not be connected axis directly contact wear and tear little; 3, adjacent rotors cooperates by sleeve, reduced the rubbing action between the rotor, the cooperation of rotor and sleeve then has sliding bearing structure, liquid film self-lubricating structure on rubbing surface forms liquid film, reduce friction, also reduce the kinetic energy loss of flow media in the course of work, and can significantly improve the service life of rotor.4, in the less situation of axial force, can reduce even cancel locating part, further reduce abrasion, when reducing manufacturing cost, also increased substantially serviceability.
A kind of unit-combination type heat transfer enhancement device of the utility model, according to heat-transfer pipe length, with connecting axis or syndeton several sleeves are cascaded, rotor is threaded onto correspondingly and extends through in the heat-transfer pipe on the sleeve, the bracing frame that utilization is arranged on the heat-transfer pipe end is fixed on the two ends of heat-transfer pipe, under the fluid effect,, make rotor produce rotation, thereby heat-transfer pipe inwall bur is cleaned by rotor afterbody screw drives blade; Medium flow field in managing is carried out disturbance, be formed with the turbulent flow that is beneficial to augmentation of heat transfer.The ratio of flow-disturbing vane straight portion and afterbody screw drives blade length can be flexible and changeable, according to the practical application needs, can also on the edge thin slice projection be set, thereby further mobile enhancement of disturbance fluid conducted heat and self-cleaning effect.
Description of drawings
Fig. 1 is a kind of unit-combination type heat transfer enhancement device structural representation of the utility model;
Fig. 2 is rotor and sleeve installation diagram;
Fig. 3 is the three-dimensional structure diagram of the rotor of a kind of unit-combination type heat transfer enhancement device of the utility model.
Fig. 4 is the front view of rotor shown in Figure 3.
Fig. 5 is the right view of rotor shown in Figure 3.
Fig. 6 is the vertical view of rotor shown in Figure 3.
Fig. 7 is the structural representation of sleeve.
Fig. 8 is provided with the schematic diagram of projection for rotor flow-disturbing vane.
Fig. 9 is provided with the schematic diagram of through hole for rotor flow-disturbing vane.
Figure 10 is the sleeve that spline structure is set;
Figure 11 is the left view of axle sleeve shown in Figure 10.
Among the figure, 1 hinge hinge arrangement, 2 flow-disturbing vanes, 3 afterbody screw drives blades, 4 liquid film self-lubricating structures, 5 concave stations, 6 sleeves, 7 projections, 8 bracing frames, 9 heat-transfer pipes, 10 connect axis, 11 rotors.
The specific embodiment
As Fig. 1～shown in Figure 3, a kind of embodiment of a kind of unit-combination type heat transfer enhancement device that the utility model relates to, it comprises rotor 11, sleeve 6, bracing frame 8 be connected axis 10, bracing frame 8 is fixed on the two ends of heat-transfer pipe 9, the two ends that connect axis 10 are separately fixed on the bracing frame 8, several sleeves 6 are installed on the connection axis 10 of 8 of two bracing frames, described rotor 11 install correspondingly with sleeve 6 on extend through in the heat-transfer pipe 9, described rotor 11 is by hinge hinge arrangement 1, flow-disturbing vane 2, afterbody screw drives blade 3 is formed, described hinge hinge arrangement 1 mid portion hollow out, afterbody has the inclined-plane that seamlessly transits, hinge hinge arrangement 1 periphery is a flow-disturbing vane 2, flow-disturbing vane 2 Leading end chamfers, rear end transition are afterbody screw drives blade 3, see Fig. 4～shown in Figure 6.Described flow-disturbing vane can be provided with projection 7 on 2 surfaces, sees Fig. 8～shown in Figure 9.
The two ends of sleeve 6 are provided with coaxial configuration, and the coaxial configuration in the present embodiment is that the head at each sleeve 6 is provided with taper concave station 5, sees shown in Figure 7.Several are installed on the sleeve 6 that connects between two bracing frames 8 on the axis 10, and its afterbody combines with the concave station 5 of head; The purpose of coaxial configuration is to make adjacent rotor 11 keep coaxial when work, has the flexible connecting structure that adapts to heat-transfer pipe 9 bendings simultaneously, except that conical structure, also has socket arrangement, gimbal structure, buckle structure etc., for the not high occasion of rotor 11 operation alignments can be the simple plane structure also, and the place of being end-to-end also can be provided with spline structure, sees Figure 10～Figure 11.Rotor 11 combines end face with sleeve 6 big end surface and is provided with liquid film self-lubricating structure 4, sees Fig. 2～Fig. 5 and Fig. 7～shown in Figure 8.
The external diameter of the utility model rotor 11 is slightly less than the internal diameter of heat-transfer pipe 9, the centre bore internal diameter of rotor 11 is slightly larger than the external diameter that connects axis 10, thereby tube fluid drives rotor 11 by afterbody screw drives blade 3 has inhibition and cleaning effect with the proper speed rotation to dirt deposition, flow-disturbing vane 2 has perturbation action to heat-transfer pipe 9 inner fluids simultaneously, strengthens convection heat transfer' heat-transfer by convection; Rotor 11 occupied space in heat-transfer pipe 9 is little, the axial circulation area of heat-transfer pipe 9 is big, blocking rate is low, flow resistance is little, under identical working speed, the axial thrust that rotor is 11 reduces, 11 rubbing actions of rotor alleviate, thereby have reduced the kinetic energy loss of the flow media in the course of work, and significantly improve the service life of rotor 11.
Claims (9)
1. unit-combination type heat transfer enhancement device, it is characterized in that: it comprises rotor, sleeve, bracing frame and is connected axis, bracing frame is fixed on the two ends of heat-transfer pipe, the two ends that connect axis are separately fixed on the bracing frame, and the adjacent supports frame both can be independent separately, also can be coupled to one, the sleeve center is a through hole, several sleeves are threaded onto and connect on the axis, and rotor is threaded onto on the sleeve, and one or more rotors and a sleeve are supporting.
2. a kind of unit-combination type heat transfer enhancement device according to claim 1, it is characterized in that: rotor by single rib digonous or many ribs flow-disturbing vane, cylinder or hinge hinge arrangement, afterbody screw drives blade form, afterbody screw drives blade has the inclined-plane that seamlessly transits, and the head edge of flow-disturbing vane is arc structure or chamfering or streamline structure.
3. a kind of unit-combination type heat transfer enhancement device according to claim 1 is characterized in that: rotor flow-disturbing vane can be straight foil or corrugated turbulence structure, also can be the hollow line mount structure, or the spring-like helix.
4. a kind of unit-combination type heat transfer enhancement device according to claim 1 is characterized in that: the flow-disturbing vane of rotor or afterbody screw drives blade can be provided with projection, groove or through hole hollow out.
5. a kind of unit-combination type heat transfer enhancement device according to claim 1, it is characterized in that: the cover shaft end is provided with coaxial configuration, headtotail between the sleeve, rotor installs on it, the coaxial configuration of sleeve is the circular cone mode, can also be ball-and-socket mode, universal joint mode or buckle mode, the place of being end-to-end also can be provided with spline structure.
6. a kind of unit-combination type heat transfer enhancement device according to claim 1 is characterized in that: rotor combines end face with the sleeve big end surface and is provided with the liquid film self-lubricating structure.
7. a kind of unit-combination type heat transfer enhancement device according to claim 1, it is characterized in that: described rotor and the sleeve combination whole string data that can join end to end is threaded onto and is connected on the axis, also can be divided into identical or different some groups of rotor quantity by locating part.
8. a kind of unit-combination type heat transfer enhancement device according to claim 1 is characterized in that: described rotor is threaded onto with the sleeve combination and is connected on the axis, and connecting axis can be the pole of rigidity, also can be flexible tightrope.
9. a kind of unit-combination type heat transfer enhancement device according to claim 1 is characterized in that: described rotor is to make by pottery, metal or by macromolecular material or composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058288U CN201368695Y (en) | 2009-02-20 | 2009-02-20 | Unit combined-type enhanced heat transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058288U CN201368695Y (en) | 2009-02-20 | 2009-02-20 | Unit combined-type enhanced heat transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368695Y true CN201368695Y (en) | 2009-12-23 |
Family
ID=41487586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201058288U Expired - Fee Related CN201368695Y (en) | 2009-02-20 | 2009-02-20 | Unit combined-type enhanced heat transfer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201368695Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915514A (en) * | 2010-08-06 | 2010-12-15 | 北京化工大学 | Semi-open-type rotor |
-
2009
- 2009-02-20 CN CNU2009201058288U patent/CN201368695Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915514A (en) * | 2010-08-06 | 2010-12-15 | 北京化工大学 | Semi-open-type rotor |
| CN101915514B (en) * | 2010-08-06 | 2012-03-21 | 北京化工大学 | Semi-open-type rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101813437B (en) | Unit-combination type heat transfer enhancement device | |
| CN101762203B (en) | Inner boundary layer cutting disturbing radial mixed flow device of heat exchange pipe | |
| CN101210791B (en) | Self-cleaning reinforcement heat transfer low flow resistance rotor in heat-transfer pipe | |
| CN2833494Y (en) | Rotor type self-cleaning enhanced heat transfer device | |
| CN102128559B (en) | Low driving force self-cleaning and heat transfer enhancement rotor in heat exchange tube | |
| CN103225980A (en) | Multi-axis low-rotating-speed spiral rotor in heat exchange tube | |
| CN103217054A (en) | Porous screw blade rotor in heat exchange tube | |
| WO2012037745A1 (en) | Self-cleaning enhanced heat transfer device used for heat exchange pipe and manufacturing method thereof | |
| CN101413769B (en) | Subsection rotating multi-head spring type self-cleaning reinforced heat exchanger | |
| CN102116594B (en) | Radial asymmetric blade combined rotor in heat exchange tube | |
| CN106403699B (en) | Magnetic bionic blade rotor in heat exchanger tube | |
| CN201000303Y (en) | Self-cleaning intensify heat transfer low flow resistance rotor in heat transfer pipe | |
| CN103217055A (en) | Opposite-rotation-direction combined rotor in heat exchange tube | |
| CN101915514B (en) | Semi-open-type rotor | |
| CN102425975B (en) | Internal grooving helical blade rotor for heat exchange tube | |
| CN201368695Y (en) | Unit combined-type enhanced heat transfer device | |
| CN102645122A (en) | Grooving spiral curling rotor in heat exchange tube | |
| CN202582350U (en) | Slotted spiral curled rotor used in heat exchange tube | |
| CN102645120A (en) | Low drive spoiler rotor in heat exchange tube | |
| CN201852506U (en) | Heat exchange tube and device for reinforcing heat transfer of tube pass fluid | |
| CN103411468B (en) | Center spring and helical blade rotor in heat exchange tube | |
| CN201335646Y (en) | Boundary-layer-shearing-and-disturbing and radial-flow-mixing unit in heat-exchange tube | |
| CN112432547A (en) | Rotary online flushing device and process system for tubular heat exchanger | |
| CN101832733B (en) | Automatic centering support bracket in heat exchange tube | |
| CN218846954U (en) | Self-cleaning heat exchanger structure and heat exchanger |
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: 20091223 Termination date: 20120220 |