CN201368696Y - Rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement - Google Patents
Rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement Download PDFInfo
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- CN201368696Y CN201368696Y CNU2009201058292U CN200920105829U CN201368696Y CN 201368696 Y CN201368696 Y CN 201368696Y CN U2009201058292 U CNU2009201058292 U CN U2009201058292U CN 200920105829 U CN200920105829 U CN 200920105829U CN 201368696 Y CN201368696 Y CN 201368696Y
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- heat
- transfer pipe
- fixed mount
- heat transfer
- tumbler
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Abstract
The utility model discloses a rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement, which belongs to enhanced heat and online automatic cleaning device field taking fluid in heat transfer tube as power. The enhanced heat device comprises a left fixed bracket, a rotary part, a support shaft, a movable limit part, a fixed limit part, a right fixed bracket and elastic components, wherein the support shaft in the heat transfer tube is divided into two sections, three sections or multiple sections, the elastic components are connected among the support shafts, the elastic components expands axially under the changed medium flowing effect condition so as to drive the rotary part on the support shafts to move in reciprocating manner and rotate in the heat transfer tube, the amplitude of reciprocating movement and the rotational speed of rotary part are realized through adjusting medium pressure and flow rate. Impurities cannot accumulate on parts due to the turbulent flow and the rotor turbulent self-cleaning enhanced heat transfer device also can be used in bent heat transfer tube through the flexibility of the elastic parts. Tooth-shaped groove or hair brush structure can be arranged on the edge of the rotary part to improve dirt preventing and cleaning effect and enhance heat transfer effect.
Description
Technical field
The utility model relates to and is used for augmentation of heat transfer and self-cleaning device in the shell-and-tube heat transmission equipment heat-transfer pipe, this device can be widely used in relating in particular to the field of doing the augmentation of heat transfer and the on-line auto-cleaning device of power with the heat-transfer pipe inner fluid on the shell-and-tube heat transmission equipment and consersion unit of industries such as thermal power generation, petrochemical industry, metallurgy, boats and ships, food, pharmacy, light industry.
Background technology
The heat-transfer pipe encrustation of shell-and-tube heat exchanger can cause heat transfer efficiency decline, fluid flow resistance to increase, thereby enterprise energy expense and production cost have been increased, even more serious is that fouling also can cause underdeposit corrosion, cause potential safety hazard, shorten the service life of heat-transfer equipment, will influence normally carrying out of production and stop production to clean.
In the cleaning and heat-transfer enhancing method, the rotator type cleaning and heat-transfer enhancing device has significant on-line cleaning and augmentation of heat transfer effect in existing pipe." rotator type cleaning and heat-transfer enhancing device " (publication number CN 2833494) is made up of rotor, fixed mount, steel wire and stay pipe, fixed mount is installed in the heat-transfer pipe two ends, steel wire is by the fixed mount axis hole, rotor is arranged along the heat-transfer pipe axis, rotor rotates under fluid impact, thereby reaches the purpose of augmentation of heat transfer and on-line cleaning." rotating piece type automatic-cleaning and heat-transfer enhancing device " (patent No.: 200820079749.x) be made of rotor, suspension member, axis and spacing rivet, every heat-transfer pipe of heat exchanger needs two suspension members, is separately fixed at the two ends of heat-transfer pipe; Rotor is worn bunchiness by axis, and rotor is arranged in groups, and by spacing rivet space, the rotor moulding is simpler than rotor structure between every group, and material can adopt plastics or metal, can adopt compression moulding or injection moulding according to the difference of its material, and mould obtains simplifying.
The device that above-mentioned two kinds of patents are mentioned has augmentation of heat transfer effect and on-line auto-cleaning ability, has obtained commercial Application.But local rotor rotation is obstructed under the more situation of fluid media (medium) impurity, and then makes that other rotor rotations in the group are not smooth, and all rotors when serious in the whole heat-transfer pipe can't rotate, and have lost due effect.
Summary of the invention
The utility model is intended to effectively solve in the existing heat-transfer pipe problems such as tumbler is subjected to that the impurity effect rotation is obstructed in the augmentation of heat transfer and online automatically cleaning technology, so that strengthen its augmentation of heat transfer and automatically cleaning effect.
The technical scheme that the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model adopts is as follows: it comprises left fixed mount, tumbler, back shaft, movable locating part, fixing locating part, right fixed mount and elastic parts, medium is installed fixedly frame end inflow of a left side from heat-transfer pipe, left side fixed mount, right fixed mount connects with the heat-transfer pipe socket joint, left side fixed mount, right fixed mount can move in heat-transfer pipe vertically, back shaft can penetrate left fixed mount, movable locating part, fixing locating part, tumbler, right fixed mount, tumbler on back shaft can be arranged one by one, also can be by putting into the movable locating part between tumbler, fixedly locating part is arranged the tumbler grouping, fixedly locating part is fixedlyed connected with back shaft, the displacement that is arranged in the right fixed mount of heat-transfer pipe outlet is less than the position length distance of right fixed mount at heat-transfer pipe, to guarantee the operate as normal of tumbler in heat-transfer pipe, the back shaft in the heat-transfer pipe is two joints, three joint or more pieces.Be connected with elastic parts between back shaft, elastic parts can be that diameter and heat-transfer pipe internal diameter are the big spring of matched in clearance, also can be diameter little spring close with the tumbler axle diameter or elasticity flexible axle.Elastic parts makes the rotor can axially reciprocating in heat-transfer pipe, under the condition that the media flow active force changes, the elastic parts axial stretching, and then the tumbler on the drive back shaft not only rotates but also can axially move back and forth in heat-transfer pipe, reciprocating amplitude of tumbler and velocity of rotation realize by regulating pressure medium and flow, can regularly or irregularly carry out, also can select jerk pump for use, the axial disturbance cycle is carried out.
Elastic parts in the utility model can be positioned near left fixed mount, right fixed mount place, also can be positioned at other position of heat-transfer pipe, determine according to cleaning and strengthening effect, if heat-transfer pipe bends, utilize the flexibility of elastic parts, can place it in the turning, guarantee that the tumbler on the back shaft rotates freely.
Elastic parts in the utility model can comprise spring and end coupling thereof, and spring plays provides elasticity and location double action; Can be the sub-assembly of keeper, spring and end coupling thereof also, keeper plays the role of positioning, and spring only provides elastic reaction, and end coupling one end is fixed on the spring, and the end coupling other end is connected with back shaft.
Elastic parts above-mentioned can be made or be made by plastics, rubber by metal material.
If spring also plays positioning action in the utility model, the wearing and tearing that when axially moving heat-transfer pipe caused for reducing metal spring, coat or the coating flexible material around the spring wire at the maximum gauge place outside at spring holder, for example thermoplastic elastomer (TPE) such as polytetrafluoroethylene (PTFE), nylon, polyurethane or abrasive rubber etc.
Keeper is disk or a part with holes, and under the situation that satisfies location and requirement of strength, keeper should be tried one's best greatly the medium flow area, and endoporus is located with back shaft, and cylindrical is located with the heat-transfer pipe internal diameter.
For reducing the wearing and tearing of keeper cylindrical and heat-transfer pipe internal diameter, the keeper cylindrical coats or the coating flexible material, and flexible material is thermoplastic elastomer (TPE) or abrasive rubbers such as polytetrafluoroethylene (PTFE), nylon, polyurethane.
Tumbler in the utility model can be rotor or rotor, rib portion fluting at tumbler, the form of groove can be straight trough, skewed slot, dovetail groove, can reduce the probability that blocks impurity between rib portion and the heat-transfer pipe inwall at the differential trench open of certain rib portion, rib portion is easy to be subjected to washing away of medium, these grooves can also increase the flow-disturbing of heat-transfer pipe inwall boundary simultaneously, especially when tumbler axially moves, increase the effect that hangs to tube wall, cleaning and heat-transfer effect are more remarkable.
In the utility model, tumbler can divide into groups by elastic parts, on a back shaft tumbler also can by movable locating part with or fixedly locating part be divided into different groups.
The utility model is applicable to the shell-and-tube heat transmission equipment, comprise that heat-transfer pipe inwalls such as horizontal heat exchanger and vertical heat exchanger, condenser, evaporimeter, carbonators are easy to the occasion of fouling, make tumbler in heat-transfer pipe, do axially reciprocating by increasing elastic parts, increase the flow-disturbing degree of medium in the heat-transfer pipe greatly, had the elasticity and the positioning action of elastic component to make tumbler in the heat-transfer pipe of bending, also can use, and the effect of hanging of the straight trough of tumbler rib portion or skewed slot make descale effect and heat-transfer effect more remarkable.
Description of drawings
Fig. 1 is the rotor self-cleaning enhanced heat transfer device by turbulent flow schematic diagram of a kind of axially reciprocating of the utility model.
Fig. 2 is that the elastic parts of the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model is connected enlarged drawing with back shaft.
Fig. 3 is that the elastic parts of the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model includes the structural representation that keeper, spring and end coupling thereof are connected with back shaft.
Fig. 4 is the axis projection figure of keeper among Fig. 3.
Fig. 5 is that the tumbler of the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model is opened the straight trough structural representation.
Fig. 6 is the tumbler of the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model structural representation that oblique notches.
Among the figure: the 1-back shaft, 2-left side fixed mount, the movable locating part of 3-, the 4-tumbler, the 5-elastic parts, the 6-heat-transfer pipe, 7-is locating part fixedly, the right fixed mount of 8-, 9-end coupling, 10-spring, 11-keeper.
The specific embodiment
The embodiment of the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating of the utility model: this device comprises left fixed mount 2, tumbler 4, back shaft 1, movable locating part 3, fixedly locating part 7, right fixed mount 8 and elastic parts 5, as shown in Figure 1, left side fixed mount 2, right fixed mount 8 connects with heat-transfer pipe 6 socket joints, left side fixed mount 2, right fixed mount 8 can move in heat-transfer pipe 6 vertically, back shaft 1 can penetrate left fixed mount 2, movable locating part 3, fixedly locating part 7, tumbler 4, right fixed mount 8, tumbler 4 on back shaft 1 can be one by one, also can be by putting into the movable locating part 3 of 4 of tumblers, fixedly locating part 7 is with tumbler 4 groupings, fixedly locating part 7 is fixedlyed connected with back shaft 1, the displacement that is arranged in the right fixed mount 8 of heat-transfer pipe 6 outlets is less than the orientation distance of right fixed mount 8 at heat-transfer pipe 6, to guarantee the operate as normal of tumbler 4 in heat-transfer pipe 6, back shaft 1 in the heat-transfer pipe 6 is two joints, three joint or more pieces, between back shaft 1, be connected with elastic parts 5, elastic parts 5 also has positioning action, by the back shaft near medium inlet end left side fixed mount in the different heat transfer pipe is coupled together, make back shaft 1, fixedly locating part 7 and elastic parts 5 do not rotate, under the effect of medium fluid, elastic parts 5 is flexible, and then drive tumbler 4 i.e. rotation in heat-transfer pipe 6 on the back shaft 1 and do axially again and move back and forth, increase the disturbance of heat-transfer pipe 6 inner fluids, make impurity be difficult for deposition stop on each part, the degree of this disturbance is finished by regulating rate-of flow, can regularly or irregularly carry out, also can select jerk pump for use, the disturbance cycle is carried out.
If spring 10 also plays positioning action, the excessive wear that when axially moving heat-transfer pipe 6 is caused for reducing metal spring, outer coating of spring wire or coating flexible material at spring 10 coiling maximum gauge places, for example thermoplastic elastomer (TPE) such as polytetrafluoroethylene (PTFE), nylon, polyurethane or abrasive rubber etc.
For reducing the wearing and tearing of keeper 11 cylindricals and heat-transfer pipe 6 internal diameters, keeper 11 cylindricals coat or the coating flexible material, and flexible material is thermoplastic elastomer (TPE) or abrasive rubbers such as polytetrafluoroethylene (PTFE), nylon, polyurethane.
Tumbler 4 can be rotor or rotor, its rib portion fluting, the form of groove can be straight trough, skewed slot, dovetail groove, also can be at the differential trench open of rib portion, the rotor of many ribs or rotor, can or all slot at the local of certain rib or some rib, as shown in Figure 5 and Figure 6, make rib portion be easy to be subjected to washing away of medium, these grooves can also increase the flow-disturbing of heat-transfer pipe inwall boundary simultaneously, especially when tumbler axially moves, increase the effect that hangs to tube wall, cleaning and heat-transfer effect are more remarkable.
Tumbler 4 can divide into groups by elastic parts 5, on a back shaft 1 tumbler 4 also can by movable locating part 3 with or fixedly locating part 7 be divided into different groups.
Specific embodiment of the utility model is: heat-transfer pipe 6 internal diameters are Φ 23mm, length 8000mm; Tumbler 4 is for having the rotating piece type automatic structure of two ribs, axial length 30mm, diameter of bore Φ 2mm; Elastic parts 5 is the turriform spring 10 of two ends band taper, and spring wire diameter of phi 2mm places two elastic parts 5 in the heat-transfer pipe 6; The back shaft diameter is Φ 1.8mm; The water yield is pulsed in 10%; Medium is the water that contains silt.Tumbler 4 rotates freely in this device, and after operation a period of time, the tube wall of heat-transfer pipe 6 does not have fouling.
Claims (8)
1. the rotor self-cleaning enhanced heat transfer device by turbulent flow of an axially reciprocating, it is characterized in that: comprise left fixed mount, tumbler, back shaft, movable locating part, fixing locating part, right fixed mount and elastic parts, medium is installed fixedly frame end inflow of a left side from heat-transfer pipe, left side fixed mount, right fixed mount connects with the heat-transfer pipe socket joint, left side fixed mount, right fixed mount can move in heat-transfer pipe vertically, back shaft penetrates left fixed mount, movable locating part, fixing locating part, tumbler, right fixed mount, fixedly locating part is fixedlyed connected with back shaft, the displacement that is arranged in the right fixed mount of heat-transfer pipe outlet is less than the position length distance of right fixed mount at heat-transfer pipe, back shaft in the heat-transfer pipe is two joints, three joint or more pieces, between each back shaft, be connected with elastic parts, elastic parts can be that diameter and heat-transfer pipe internal diameter are the big spring of matched in clearance, also can be diameter little spring close or elasticity flexible axle with the tumbler axle diameter, elastic parts makes the rotor can axially reciprocating in heat-transfer pipe, under the condition that the media flow active force changes, the elastic parts axial stretching, and then the tumbler on the drive back shaft not only rotates but also can axially move back and forth in heat-transfer pipe, and reciprocating amplitude of tumbler and velocity of rotation realize by regulating pressure medium and flow.
2. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 1, it is characterized in that: the tumbler on back shaft can be arranged one by one, also can by put into movable locating part between tumbler, fixedly locating part becomes certain intervals to arrange tumbler, the spacing size is identical with the amplitude of axially reciprocating.
3. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 1, it is characterized in that: elastic parts can be positioned near left fixed mount, right fixed mount place, also can be positioned at other position of heat-transfer pipe, if heat-transfer pipe bends, elastic parts can be placed on the turning.
4. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 1, it is characterized in that: elastic parts comprises spring and end coupling thereof, it also can be the sub-assembly that comprises keeper, spring and end coupling thereof, end coupling one end is fixed on the spring, and the end coupling other end is connected with back shaft.
5. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 4, it is characterized in that: spring can be made or be made by plastics, rubber by metal material.
6. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 4 is characterized in that: spring holder coats or applies polytetrafluoroethylene (PTFE), nylon, polyurethane termoplastic elastomer or abrasive rubber around the spring wire outside at maximum gauge place.
7. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 4, it is characterized in that: keeper is disk or a part with holes, endoporus is located with back shaft, cylindrical is with heat-transfer pipe internal diameter location, and the keeper cylindrical coats or apply polytetrafluoroethylene (PTFE), nylon, polyurethane termoplastic elastomer or abrasive rubber.
8. the rotor self-cleaning enhanced heat transfer device by turbulent flow of a kind of axially reciprocating according to claim 1 is characterized in that: at the rib portion fluting of tumbler, the form of groove can be straight trough, skewed slot, dovetail groove, can be at the differential trench open of certain rib portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058292U CN201368696Y (en) | 2009-02-20 | 2009-02-20 | Rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058292U CN201368696Y (en) | 2009-02-20 | 2009-02-20 | Rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement |
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| Publication Number | Publication Date |
|---|---|
| CN201368696Y true CN201368696Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201058292U Expired - Lifetime CN201368696Y (en) | 2009-02-20 | 2009-02-20 | Rotor turbulent self-cleaning enhanced heat transfer device with axial reciprocating movement |
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| CN (1) | CN201368696Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542767A (en) * | 2012-07-13 | 2014-01-29 | 俞天翔 | Device for automatic cleaning of hard scale in heat exchange tubes |
| CN110345798A (en) * | 2019-07-02 | 2019-10-18 | 宁波方太厨具有限公司 | Heat exchanger tube, heat exchanger and gas heater |
| CN110345797A (en) * | 2019-07-02 | 2019-10-18 | 宁波方太厨具有限公司 | Heat exchanger tube, heat exchanger and gas heater |
| CN114777534A (en) * | 2022-03-30 | 2022-07-22 | 三江乐天化工有限公司 | Cooling device for lean absorption liquid in ethylene oxide production system |
-
2009
- 2009-02-20 CN CNU2009201058292U patent/CN201368696Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542767A (en) * | 2012-07-13 | 2014-01-29 | 俞天翔 | Device for automatic cleaning of hard scale in heat exchange tubes |
| CN103542767B (en) * | 2012-07-13 | 2015-09-23 | 俞天翔 | The automatic flushing device of hard scale in a kind of heat exchanger tube |
| CN110345798A (en) * | 2019-07-02 | 2019-10-18 | 宁波方太厨具有限公司 | Heat exchanger tube, heat exchanger and gas heater |
| CN110345797A (en) * | 2019-07-02 | 2019-10-18 | 宁波方太厨具有限公司 | Heat exchanger tube, heat exchanger and gas heater |
| CN114777534A (en) * | 2022-03-30 | 2022-07-22 | 三江乐天化工有限公司 | Cooling device for lean absorption liquid in ethylene oxide production system |
| CN114777534B (en) * | 2022-03-30 | 2023-10-27 | 浙江浩浩化工有限公司 | Cooling device for lean absorption liquid in ethylene oxide production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091223 Effective date of abandoning: 20090220 |