CN110345798A - Heat exchanger tube, heat exchanger and gas heater - Google Patents
Heat exchanger tube, heat exchanger and gas heater Download PDFInfo
- Publication number
- CN110345798A CN110345798A CN201910588937.8A CN201910588937A CN110345798A CN 110345798 A CN110345798 A CN 110345798A CN 201910588937 A CN201910588937 A CN 201910588937A CN 110345798 A CN110345798 A CN 110345798A
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- China
- Prior art keywords
- heat exchanger
- memory alloy
- turbulent
- exchanger tube
- tube
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
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- 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
- F28F13/10—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by imparting a pulsating motion to the flow, e.g. by sonic vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat exchanger tube, heat exchanger and gas heater, the heat exchanger tube includes: a tube body, and the inside of the tube body has the internal cavities of connection；One turbulent element, the turbulent element are set in the internal cavities of the tube body；An at least memory alloy element, the memory alloy element are directly or indirectly connect with the turbulent element, wherein the memory alloy element changes the length of itself in temperature change to drive the turbulent element to move back and forth.Turbulent element in heat exchanger tube can move under the driving of memory alloy element, realize flow-disturbing.After water heater stops working, turbulent element clean to scale under memory alloy element driving to fall off, and reduces fouling probability, extends heat exchanger service life.
Description
Technical field
The present invention relates to a kind of heat exchanger tube, heat exchanger and gas heaters.
Background technique
The heat exchanger of existing gas heater usually has heat exchanger tube.Pass through the heat transferring medium of flowing in heat exchanger tube,
Such as water exchanges heat.However, in the long-term use process, fouling is easy in heat exchanger tube.Increase in existing some products
Heat exchanger tube spoiler carries out flow-disturbing, however these existing heat exchanger tube spoilers are static structure, boundary layer interference performance compared with
It is low, flow-disturbing inefficient.
Summary of the invention
The technical problem to be solved by the present invention is to be easy fouling inside heat exchanger tube in the prior art to overcome, static is disturbed
Flow flow-disturbing low efficiency, the low defect of interference performance provide a kind of heat exchanger tube, heat exchanger and gas heater.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of heat exchanger tube, it is characterized in that, the heat exchanger tube includes:
One tube body, the inside of the tube body have the internal cavities of connection；
One turbulent element, the turbulent element are set in the internal cavities of the tube body；
An at least memory alloy element, the memory alloy element are directly or indirectly connect with the turbulent element,
In, the memory alloy element changes the length of itself in temperature change to drive the turbulent element to move back and forth.
Memory alloy element is made of memorial alloy, and in the case where temperature change, memorial alloy itself can generate shape
Become.Wherein, memory alloy element can allow its deformation to carry out according to predetermined direction by the setting of structure and shape.
The form of single turbulent element is used in this programme.Wherein, bigger area is covered by single turbulent element.Flow-disturbing
Element can have more scopes of activities under the driving of memory alloy element, to improve scale removal efficiency.
In use, the turbulent element in heat exchanger tube can be transported under the driving of memory alloy element as water temperature converts
It is dynamic, realize flow-disturbing.After water heater stops working, turbulent element clean to scale de- under memory alloy element driving
It falls, reduces fouling probability, extend heat exchanger service life.
Preferably, the memory alloy element is located at an end of the tube body, one end phase of the memory alloy element
The tube body is limited.
Preferably, the memory alloy element is memory alloy spring, the memory alloy spring changes in temperature change
Become the length of itself to drive the turbulent element to move back and forth.
Preferably, the heat exchanger tube further includes at least one preload element, the preloads element and the turbulent element or
The memory alloy element connection, wherein described that bullet of the element offer in contrast to the memory alloy element moving direction is provided
Property deformation force.
It pre-tightens element and plays the role of preload, using the arrangement for pre-tightening element, it is ensured that the stateful lower spring of institute is all
In Pre strained state, noise will not be generated because of movement.Wherein, it pre-tightens element and reaction force is generated by the deformation of itself,
Turbulent element is limited from other side, it is final cooperate memory alloy element make turbulent element will not voltuntary movement cause
The generation of noise.The material for pre-tightening element is conventional plastic material.
Preferably, the end for pre-tightening element and being located at the tube body, described one end for pre-tightening element is relative to described
Tube body limit.
Preferably, the turbulent element, the memory alloy element and the preload element are respectively set to whole knot
Structure or multiple segmental structures arranged side by side.
Preferably, the preload element is preloading spring, the element that pre-tightens is with the mobile generation of the turbulent element
Deformation is to generate elastic deformation force.
Preferably, the turbulent element has hollow internal cavities, the memory alloy element and the preload element
In the internal cavities for entering and extending the turbulent element.The internal cavities of hollow turbulent element make memorial alloy first
Part and the length for pre-tightening element greatly enhance.Wherein, the increase of the length of memory alloy element directly enhances memorial alloy member
The flexible distance of part, which thereby enhances the distance of the reciprocating motion of turbulent element, improves scale removal efficiency.Simultaneously turbulent element by
In with memory alloy element and pre-tighten element and be overlapped in internal cavities, therefore turbulent element also can have it is longer
Length, to cover bigger range.
Preferably, the turbulent element has tabula in the baffle of the internal cavities of the turbulent element, the memory is closed
One end of gold dollar part and described one end for pre-tightening element are connected to the two sides of the baffle respectively.Memory alloy element or preload
Element drives turbulent element to move by the force to baffle.
Preferably, having several holes on the baffle, described hole is used to be connected to the two sides of the baffle.Hole generates
Effect is connected to so that the water energy in heat exchanger tube is enough from baffle circulation, the circulation exchanged in heat pipe to avoid baffle causes to hinder
Plug.
Preferably, the turbulent element is cylindrical shape, the side of the turbulent element includes the spoiler that ring is set.Cylinder
The turbulent element of shape is bonded well with the inner wall of heat exchanger tube.Difference of the fluid at spoiler due to speed produces simultaneously
Flow-disturbing increases sweeping efficiency.
Preferably, the spoiler extends along the axial direction of the turbulent element, the turbulent element further includes connecting
Connect ring, the connection ring is along the axial arranging of the turbulent element, and the flow-disturbing loop is connected to the connection ring.
Preferably, the material of the memory alloy element is nickel-titanium alloy material.
Preferably, the heat exchanger tube has straight tube and bend pipe, the turbulent element and the memory alloy element are set
It is placed in the internal cavities of the straight tube, one end of the memory alloy element is limited by the bend pipe.The curvature of pipe bent position becomes
The one end for pre-tightening element can be limited by changing.
A kind of heat exchanger, it is characterized in that comprising the heat exchanger tube.
A kind of gas heater, it is characterized in that comprising the heat exchanger.
The positive effect of the present invention is that: in use, the turbulent element in heat exchanger tube can remembered as water temperature converts
Recalling can move under the driving of alloying element, realize flow-disturbing.The arrangement for pre-tightening element is used simultaneously, it is ensured that institute is stateful
Lower spring will not generate noise because of movement all in Pre strained state.After water heater stops working, turbulent element is being remembered
Scale clean under alloying element driving and is fallen off, fouling probability is reduced, extends heat exchanger service life.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the heat exchanger tube of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the turbulent element of the embodiment of the present invention 1.
Fig. 3 is the turbulent element of the embodiment of the present invention 1 and the connection schematic diagram of memory alloy element.
Fig. 4 is the schematic view of the front view of the turbulent element of the embodiment of the present invention 1.
Fig. 5 is the extended structure schematic diagram of the heat exchanger tube of the embodiment of the present invention 1.
Fig. 6 is the schematic diagram of internal structure of the heat exchanger tube of the embodiment of the present invention 2.
Fig. 7 is the schematic diagram of internal structure of the heat exchanger tube of the embodiment of the present invention 2.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
As Figure 1-Figure 5, present embodiment discloses a kind of heat exchanger tubes, wherein heat exchanger tube includes tube body 1, turbulent element
2, memory alloy element 3 and preload element 4.
As shown in Figure 1, the heat exchanger tube of the present embodiment includes a tube body 1, the inside of tube body 1 has the internal cavities of connection.
The impurity accumulation that water flow is typically due in the inner wall of tube body 1 will form the scale that product is attached on inner wall, thus not remove for a long time
The inner wall of pipeline 1 can be blocked.
As shown in Figure 1, the heat exchanger tube of the present embodiment includes a turbulent element 2, turbulent element 2 is set to the inside of tube body 1
In cavity, and extend along the extending direction of the internal cavities of tube body 1, wherein the outer wall of turbulent element 2 is close to tube body 1
Inner wall；
As shown in Figure 1, the heat exchanger tube of the present embodiment includes a memory alloy element 3, one end of memory alloy element 3 is opposite
It is limited in tube body 1, the other end of memory alloy element 3 is connect with turbulent element 2, wherein memory alloy element 3 is in temperature change
The middle length for changing itself is to drive turbulent element 2 to move back and forth.
Memory alloy element 3 is made of memorial alloy, and in the case where temperature change, memorial alloy itself can generate shape
Become.Wherein, memory alloy element 3 can allow its deformation to carry out according to predetermined direction by the setting of structure and shape.
Using the form of single memory alloy element 3 and single turbulent element 2 in this programme.Wherein, single memory is closed
Gold dollar part 3 can possess bigger volume to generate more deformation forces.Turbulent element 2 is under the driving of memory alloy element 3
It can have more scopes of activities, to improve scale removal efficiency.
In use, as water temperature converts, turbulent element 2 in heat exchanger tube can be under the driving of memory alloy element 3
Flow-disturbing is realized in movement.After water heater stops working, turbulent element 2 cleans scale under the driving of memory alloy element 3
It falls off, reduces fouling probability, extend heat exchanger service life.
In the present embodiment, memory alloy element 3 is memory alloy spring, and memory alloy spring changes certainly in temperature change
The length of body is to drive turbulent element 2 to move back and forth.
In the present embodiment, the material of memory alloy element 3 is nickel-titanium alloy material.
As shown in Figure 1, the heat exchanger tube of the present embodiment includes a preload element 4, one end of element 4 is pre-tightened relative to tube body 1
Limit, the other end for pre-tightening element 4 are connect with turbulent element 2, wherein are pre-tightened element 4 and be located at opposite the one of memory alloy element 3
Side and provide in contrast to 3 moving direction of memory alloy element elastic deformation force.
It pre-tightens element 4 and plays the role of preload, using the arrangement for pre-tightening element 4, it is ensured that the stateful lower spring of institute
All in Pre strained state, noise will not be generated because of movement.Wherein, it pre-tightens element 4 and reaction is generated by the deformation of itself
Power limits turbulent element 2 from other side, final to cooperate memory alloy element 3 that turbulent element 2 be transported arbitrarily
The dynamic generation for leading to noise.The material for pre-tightening element 4 is conventional plastic material.
In the present embodiment, preload element 4 be preloading spring, pre-tighten element 4 with the movement of turbulent element 2 be deformed from
And generate elastic deformation force.
As shown in Figure 1, Figure 2 and Figure 3, the turbulent element 2 of the present embodiment has hollow internal cavities, memory alloy element
3 enter and extend in the internal cavities of turbulent element 2 with element 4 is pre-tightened.The internal cavities of hollow turbulent element 2 make
Memory alloy element 3 and the length for pre-tightening element 4 greatly enhance.Wherein, the increase of the length of memory alloy element 3 directly improves
The flexible distance of memory alloy element 3, which thereby enhances the distance of the reciprocating motion of turbulent element 2, improves scale removal efficiency.
Turbulent element 2 with memory alloy element 3 and preload element 4 in internal cavities due to being overlapped simultaneously, flow-disturbing member
Part 2 also can have longer length, to cover bigger range.
As shown in Figure 1, Figure 2 and Figure 3, the turbulent element 2 of the present embodiment has internal cavities of the tabula in turbulent element 2
Baffle 21, one end of memory alloy element 3 and the one end for pre-tightening element 4 are connected to the two sides of baffle 21 respectively.Memorial alloy member
Part 3 or preload element 4 are moved by the force drive turbulent element 2 to baffle 21.
As shown in figure 4, having several holes 211 on the baffle 21 of the present embodiment, hole 211 is for being connected to the two of baffle 21
Side.Hole 211 generates connection effect so that the water energy in heat exchanger tube is enough from the circulation of baffle 21, to avoid 21 heat exchanging of baffle
Circulation in pipe causes to block.
As shown in figure 4, the hole 211 of baffle 21 high in the present embodiment has different size and locations, wherein including
Positioned at middle part biggish hole 211 and be looped around middle part the outside of hole 211 lesser hole 211.These holes 211
Shape can change position and size according to actual needs.Wherein, the hole 211 positioned at middle part needs to guarantee turbulent element
3 will not skid off with element 4 is pre-tightened from hole 211.
As shown in Figures 2 and 3, the turbulent element 2 of the present embodiment is cylindrical shape, and the side of turbulent element 2 includes that ring is set
Spoiler 22.The turbulent element 2 of cylindrical shape is bonded well with the inner wall of heat exchanger tube.Simultaneously fluid at spoiler 22 by
Flow-disturbing is produced in the difference of speed, increases sweeping efficiency.
As shown in Figures 2 and 3, the spoiler 22 of the present embodiment extends along the axial direction of turbulent element 2, turbulent element
2 further include connection ring 23, and connection ring 23 is along the axial arranging of turbulent element 2, and 22 ring of spoiler is connected to connection ring 23.
As shown in figure 5, the heat exchanger tube of the present embodiment has straight tube 11 and bend pipe 12, turbulent element 2 and memorial alloy
Element 3 is set in the internal cavities of straight tube 11, and one end of memory alloy element 3 is limited by bend pipe 12.Curvature at bend pipe 12
Variation can limit the one end for pre-tightening element 4.
In the present embodiment, heat exchanger tube can apply to heat exchanger.Heat exchanger can further apply to gas and hot water
Among device.
Embodiment 2
As shown in fig. 6, present embodiment discloses a kind of heat exchanger tubes, wherein heat exchanger tube includes tube body 1, turbulent element 2, note
Recall alloying element 3 and pre-tightens element 4.
As shown in fig. 6, the heat exchanger tube of the present embodiment includes a tube body 1, the inside of tube body 1 has the internal cavities of connection.
The impurity accumulation that water flow is typically due in the inner wall of tube body 1 will form the scale that product is attached on inner wall, thus not remove for a long time
The inner wall of pipeline 1 can be blocked.
As shown in fig. 6, the heat exchanger tube of the present embodiment includes a turbulent element 2, turbulent element 2 is set to the inside of tube body 1
In cavity, and extend along the extending direction of the internal cavities of tube body 1, wherein the outer wall of turbulent element 2 is close to tube body 1
Inner wall；
As shown in fig. 6, the heat exchanger tube of the present embodiment includes a memory alloy element 3, one end of memory alloy element 3 and pre-
Tight element 4 connects, and the other end of memory alloy element 3 is connect with turbulent element 2, wherein memory alloy element 3 is in temperature change
The middle length for changing itself is to drive turbulent element 2 to move back and forth.
Memory alloy element 3 is made of memorial alloy, and in the case where temperature change, memorial alloy itself can generate shape
Become.Wherein, memory alloy element 3 can allow its deformation to carry out according to predetermined direction by the setting of structure and shape.
As shown in fig. 6, the heat exchanger tube of the present embodiment includes two preload elements 4, two preload elements 4 are located at tube body
1 two ends, and wherein one end is limited relative to tube body 1.Wherein the other end of a preload element 4 is connect with turbulent element 2,
Another other end for pre-tightening element is connect with memory alloy element 3.Wherein, it pre-tightens element 4 and is located at the opposite of memory alloy element 3
Two sides and provide in contrast to 3 moving direction of memory alloy element elastic deformation force.
It pre-tightens element 4 and plays the role of preload, using the arrangement for pre-tightening element 4, it is ensured that all locate under institute is stateful
In Pre strained state, noise will not be generated because of movement.Wherein, it pre-tightens element 4 and reaction force is generated by the deformation of itself, it is right
Turbulent element 2 is limited, it is final cooperate memory alloy element 3 make turbulent element 2 will not voltuntary movement lead to the production of noise
It is raw.The material for pre-tightening element 4 is conventional plastic material.
Embodiment 3
As shown in fig. 7, present embodiment discloses a kind of heat exchanger tubes, wherein heat exchanger tube includes tube body 1, turbulent element 2, note
Recall alloying element 3 and pre-tightens element 4.
As shown in fig. 7, the heat exchanger tube of the present embodiment includes a tube body 1, the inside of tube body 1 has the internal cavities of connection.
The impurity accumulation that water flow is typically due in the inner wall of tube body 1 will form the scale that product is attached on inner wall, thus not remove for a long time
The inner wall of pipeline 1 can be blocked.
As shown in fig. 7, the heat exchanger tube of the present embodiment includes a turbulent element 2, turbulent element 2 is set to the inside of tube body 1
In cavity, and extend along the extending direction of the internal cavities of tube body 1, wherein the outer wall of turbulent element 2 is close to tube body 1
Inner wall；
As shown in fig. 7, the heat exchanger tube of the present embodiment includes a memory alloy element 3, one end of memory alloy element 3 is opposite
It is limited in tube body 1, the other end of memory alloy element 3 is connect with turbulent element 2, wherein memory alloy element 3 is in temperature change
The middle length for changing itself is to drive turbulent element 2 to move back and forth.
Memory alloy element 3 is made of memorial alloy, and in the case where temperature change, memorial alloy itself can generate shape
Become.Wherein, memory alloy element 3 can allow its deformation to carry out according to predetermined direction by the setting of structure and shape.
As shown in fig. 7, the heat exchanger tube of the present embodiment includes a preload element 4, two ends that element 4 is located at tube body 1 are pre-tightened
End, and wherein one end is limited relative to tube body 1, the other end is connect with turbulent element 2.Wherein, it pre-tightens element 4 and is located at memorial alloy
The opposite side of element 3 simultaneously provides elastic deformation force in contrast to 3 moving direction of memory alloy element.
As shown in fig. 7, turbulent element 2 is set as multiple segmental structures arranged side by side, including two segmentations in the present embodiment
21.In an implementation, memory alloy element 3 and preload element 4 can be set to multiple segmental structures arranged side by side.
It pre-tightens element 4 and plays the role of preload, using the arrangement for pre-tightening element 4, it is ensured that all locate under institute is stateful
In Pre strained state, noise will not be generated because of movement.Wherein, it pre-tightens element 4 and reaction force is generated by the deformation of itself, it is right
Turbulent element 2 is limited, it is final cooperate memory alloy element 3 make turbulent element 2 will not voltuntary movement lead to the production of noise
It is raw.The material for pre-tightening element 4 is conventional plastic material.
In the present invention, as water temperature converts, turbulent element in heat exchanger tube can be under the driving of memory alloy element
Flow-disturbing is realized in movement.Use the arrangement for pre-tightening element simultaneously, it is ensured that the stateful lower spring of institute all in Pre strained state,
Noise will not be generated because of movement.After water heater stops working, turbulent element is under memory alloy element driving to scale
Clean and fall off, reduces fouling probability, extend heat exchanger service life.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (16)
1. a kind of heat exchanger tube, which is characterized in that the heat exchanger tube includes:
One tube body, the inside of the tube body have the internal cavities of connection；
One turbulent element, the turbulent element are set in the internal cavities of the tube body；
An at least memory alloy element, the memory alloy element are directly or indirectly connect with the turbulent element, wherein institute
It states memory alloy element and changes the length of itself in temperature change to drive the turbulent element to move back and forth.
2. heat exchanger tube as described in claim 1, which is characterized in that the memory alloy element is located at an end of the tube body
End, one end of the memory alloy element is limited relative to the tube body.
3. heat exchanger tube as described in claim 1, which is characterized in that the memory alloy element is memory alloy spring, described
Memory alloy spring changes the length of itself in temperature change to drive the turbulent element to move back and forth.
4. heat exchanger tube as described in claim 1, which is characterized in that the heat exchanger tube further includes at least one preload element, described
It pre-tightens element to connect with the turbulent element or the memory alloy element, wherein the preload element is provided in contrast to institute
State the elastic deformation force of memory alloy element moving direction.
5. heat exchanger tube as claimed in claim 4, which is characterized in that the end for pre-tightening element and being located at the tube body, institute
The one end for stating preload element is limited relative to the tube body.
6. heat exchanger tube as claimed in claim 4, which is characterized in that the turbulent element, the memory alloy element and institute
It states preload element and is respectively set to overall structure or multiple segmental structures arranged side by side.
7. heat exchanger tube as claimed in claim 4, which is characterized in that the preload element is preloading spring, the preload element
As the movement of the turbulent element is deformed to generate elastic deformation force.
8. heat exchanger tube as claimed in claim 4, which is characterized in that the turbulent element has hollow internal cavities, described
Memory alloy element and the preload element enter and extend in the internal cavities of the turbulent element.
9. heat exchanger tube as claimed in claim 8, which is characterized in that the turbulent element has tabula in the turbulent element
The baffle of internal cavities, one end of the memory alloy element and described one end for pre-tightening element are connected to the baffle respectively
Two sides.
10. heat exchanger tube as claimed in claim 9, which is characterized in that there are several holes, described hole is used on the baffle
It is connected to the two sides of the baffle.
11. heat exchanger tube as described in claim 1, which is characterized in that the turbulent element is cylindrical shape, the turbulent element
Side include spoiler that ring is set.
12. heat exchanger tube as claimed in claim 11, which is characterized in that the spoiler along the turbulent element axial direction side
To extension, the turbulent element further includes connection ring, and the connection ring and described is disturbed along the axial arranging of the turbulent element
Flow ring is connected to the connection ring.
13. heat exchanger tube as described in claim 1, which is characterized in that the material of the memory alloy element is Nitinol material
Material.
14. the heat exchanger tube as described in claim 1-13 any one, which is characterized in that the heat exchanger tube has straight tube and curved
Pipe, the turbulent element and the memory alloy element are set in the internal cavities of the straight tube, the memorial alloy member
One end of part is limited by the bend pipe.
15. a kind of heat exchanger, which is characterized in that it includes the heat exchanger tube as described in claim 1-14 any one.
16. a kind of gas heater, which is characterized in that it includes heat exchanger as claimed in claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588937.8A CN110345798A (en) | 2019-07-02 | 2019-07-02 | Heat exchanger tube, heat exchanger and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588937.8A CN110345798A (en) | 2019-07-02 | 2019-07-02 | Heat exchanger tube, heat exchanger and gas heater |
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| CN110345798A true CN110345798A (en) | 2019-10-18 |
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ID=68177973
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| CN201910588937.8A Pending CN110345798A (en) | 2019-07-02 | 2019-07-02 | Heat exchanger tube, heat exchanger and gas heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097545A (en) * | 2020-07-28 | 2020-12-18 | 厦门大学 | Intelligent thin-channel heat exchanger with built-in memory alloy spring |
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