CN103743268B - Pipe heat exchanger with retention device - Google Patents
Pipe heat exchanger with retention device Download PDFInfo
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- CN103743268B CN103743268B CN201410011027.0A CN201410011027A CN103743268B CN 103743268 B CN103743268 B CN 103743268B CN 201410011027 A CN201410011027 A CN 201410011027A CN 103743268 B CN103743268 B CN 103743268B
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- heat exchanger
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- wing plate
- exchanger tube
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Abstract
The invention provides the pipe heat exchanger of a kind of band retention device, use the mode that the heat exchange wing plate being connected with each heat exchanger tube is set in package to increase heat exchange surface area, improve heat exchange efficiency.Concrete scheme is: provide a kind of efficient pipe heat exchanger, including package, the heat exchanger tube being arranged in an axially parallel mode in package with package, wing plate it is arranged at intervals with in package, each wing plate is each perpendicular to package straight line and arranges, and above-mentioned wing plate is sequentially provided with through hole, and above-mentioned each through-hole diameter is roughly the same with each heat exchanger tube external diameter, above-mentioned each heat exchanger tube sequentially passes through above-mentioned each through hole and fixing with above-mentioned wing plate is connected, and above-mentioned heat exchanger tube inwall is provided with retention device.
Description
Technical field
The present invention is the pipe heat exchanger of a kind of band retention device, can apply to large-size air conditioning system, energy-conservation system of factory
System, the field such as heat circulating system, belong to the pipe heat exchanger in technical field of heat exchangers.
Background technology
It is well known that heat exchanger application surface in society is very wide, and pipe heat exchanger purposes therein is the most very
Many.Such as, in refrigerated air-conditioning system, it is necessary to employing heat exchanger is as condensing plant, and pipe heat exchanger is the most frequent
The one used.When the cooled water heat energy of factory reclaims, pipe heat exchanger is the most usually used to carry out recuperation of heat.Existing conventional
Pipe heat exchanger be to be made up of the body that multiple radiuses are different, the body that radius is little is contained in the body that radius is big, big body
Equipped with coolant in (also referred to as package).The structure of the most common pipe heat exchanger is embedded to be cased with many heat exchange at a pipe
Pipe, these heat exchanger tubes are soaked among coolant.Owing to heat exchange is that the cold-producing medium in these many heat exchanger tubes is by outside heat exchanger tube
Carry out between coolant in surface and package, thus the area that can carry out heat exchange is by total face of these many heat exchange pipe external surfaces
Long-pending determined.This heat exchanger structure is relatively succinct, and operation is reliable, available various structural material manufactures, such as metal material, pottery
Materials etc., can use under high temperature, high pressure, be the most most widely used type.
Such structure is no doubt succinct, and manufacturing process is simple, but there is also some defects in actual use: such as,
Due to the cold-producing medium in heat exchanger tube by speed during heat exchanger tube quickly, therefore heat-exchange time is short, causes overall heat exchanger effectiveness
The highest；Therefore when in package, the quantity of heat exchanger tube is handed over few, then must heat exchange area little, heat transfer effect the most not ten sub-argument
Think.And if use the mode of heat exchanger tube of increasing, then whole heat transmission equipment is it is necessary to have bigger volume, so that take up an area
Area increases, and brings whole production cost to be greatly improved, the most uneconomical.In prior art, although also have at heat exchanger tube table
Little fin is set up to expand the way of cooling surface area in face, but effect is the most undesirable.And the every upper incidentally fin of pipe,
Heat exchanger tube is the most inconvenient when installing.
Summary of the invention
In order to improve heat exchange efficiency, maximally effective way is exactly to increase the heat exchange surface area of every heat exchanger tube.The present invention adopts
It is used in package and the mode of the heat exchange wing plate being connected with each heat exchanger tube is set to increase heat exchange surface area, raising heat exchange efficiency.Tool
The scheme of body is: provide a kind of efficient pipe heat exchanger, including package, the heat exchange being arranged in an axially parallel mode in package with package
Pipe, it is characterised in that: being arranged at intervals with wing plate in package, each wing plate is each perpendicular to package straight line and arranges, and above-mentioned wing plate depends on
The secondary through hole that is provided with, above-mentioned each through-hole diameter is roughly the same with each heat exchanger tube external diameter, and above-mentioned each heat exchanger tube sequentially passes through above-mentioned each logical
Kong Bingyu above-mentioned wing plate is fixing to be connected, and above-mentioned each heat exchange tube inwall arranges retention device.
Further, the present invention additionally provides following additional scheme to strengthen heat exchange effect on the basis of such scheme
Really:
Above-mentioned each piece of wing edges of boards edge radially proximates the medial wall in package.
One of following shape of edge shape of described wing plate: circular, circle lacks shape, tetragon or polygon.
Described wing plate uses plate shaped or waveform.
For further enhancing the effect of heat exchange, described wing plate arranges calking or flange.
Above-mentioned each heat exchanger tube inwall is provided with flow-disturbing coating.
The pipe heat exchanger of the present invention, by arranging calking or flanging bore on wing plate, adds the area of heat exchange, energy
It is effectively improved the efficiency of heat exchange.Meanwhile, by being threaded bulge-structure at heat exchanger tube inwall, sluggish cold-producing medium is in heat exchange
Flowing in pipe, increases system of unit cryogen and the heat exchanger time of coolant in package, makes heat exchange therebetween more
Fully.Further, by arranging flow-disturbing coating at heat exchanger tube inwall, enhance what cold-producing medium was formed when heat exchange Bottomhole pressure
Flow-disturbing, is more beneficial for sufficient heat exchange.Some heat exchanger tubes without wing plate of at least one row can also be arranged bottom package
To increase the degree of supercooling of cold-producing medium.Thus have the advantage that
1, wing plate is arranged at outside whole heat exchanger tube, the heat-exchanging tube bundle of composition band wing plate, increase effectively heat exchange area.
2, by the shape that wing plate is overall, and the structure on wing edges of boards edge and surface is arranged so that coolant is through wing plate
Form flow-disturbing, improve heat exchange efficiency.
3, for the heat exchanger of identical heat exchange area, fin heater exchanger is arranged than heat exchange pipe external surface in prior art
Heat exchanger tube more saved by the pipe heat exchanger of little fin, manufactures the most more convenient.
4, the thread protrusion structure of heat exchanger tube inwall, increases the system of unit cryogen time by heat exchanger tube, implies that increase
Carry out the time of heat exchange, make the heat exchange more abundant.
5, by arranging flow-disturbing coating at heat exchanger tube inwall so that form flow-disturbing, beneficially heat exchange effect when cold-producing medium flows through
The increase of rate.
6, carry out the supercool of cold-producing medium by being provided without the heat exchanger tube of wing plate, improve the degree of supercooling of cold-producing medium, and then
Improve the refrigeration of whole system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the pipe heat exchanger of embodiment of the present invention 1
Fig. 2 is embodiment 1 heat exchanger tube and wing hardens the schematic diagram closed
Fig. 3 is the partial enlarged view of part B in Fig. 2
Fig. 4 is the pipe heat exchanger schematic diagram of embodiment 2.
Detailed description of the invention
Embodiment 1
A kind of pipe heat exchanger as shown in Figure 1, including package 1, coolant inlet tube 10, refrigerant exit pipe 11, is arranged on
Some heat exchanger tubes 9 in package 1, radially proximate the dry tablet wing plate in package 1 medial wall if being arranged at intervals with in described package 1
3.The edge shape of described wing plate 3 can be circular, the scarce shape of circle, tetragon or polygon, preferably circular, and is close to package 1
Inwall.
The through hole corresponding with each heat exchanger tube 9 of heat-exchanging tube bundle it is disposed with on every wing plate 3, above-mentioned through hole
Diameter is about the external diameter of heat exchanger tube.If every heat exchanger tube 9 is located in the through hole on dry tablet wing plate 3 corresponding thereto respectively,
And if be connected with above-mentioned dry tablet wing plate 3, connected mode can be fixing connection, such as welding；Or on-fixed connects, such as with mistake
The mode coordinated that is full of connects.Above-mentioned wing plate 3 is to be distributed in package 1, this wing plate 3 radial to the inwall phase with package 1
Close.Above-mentioned wing plate 3 could be arranged to plate shaped or waveform.
As shown in Figure 2,3, for further enhancing heat transfer effect, above-mentioned wing plate 3 can be set to wave-like.Further, enter
One step, flange or calking 15 can be set on these wing plates 3.When coolant flows through wing plate 3 surface, especially by above-mentioned
When flange or calking 15, irregular due to surface, flow-disturbing can be formed, it is thus well known that, flow-disturbing can significantly improve heat exchange effect
Rate.
When wing plate 3 is shaped as waveform, 15 can be configured in the both sides of each crest of charging, it is also possible to only
Arrange in the side flow through in face of coolant.Getting well of so arranging is in little width and reduces in the case of heat exchange efficiency, is greatly reduced
Manufacturing cost and save manufacturing time.
When the pipe heat exchanger of the present embodiment runs, cold-producing medium enters in heat exchanger tube 9 from import, goes out from outlet, cold
Matchmaker enters package 1 in coolant inlet tube 10, flows through, and wash away wing plate 3 from heat exchanger tube 9.When coolant washes away wing plate 3,
Play surface, especially calking 15 and be formed about flow-disturbing.In above process, heat from cold-producing medium by heat exchanger tube 9 outer wall with
And wing plate 3 surface transfers in coolant, coolant finally flows out from refrigerant exit pipe 11, completes heat exchange.Due to this embodiment party
The pipe heat exchanger of formula is provided with wing plate 3, calking 15 so that heat exchange efficiency is greatly improved than existing heat exchanger, and manufactures
Simple and reliable.
Embodiment 2
When pipe heat exchanger is used as the condenser of air-conditioning, it usually needs the cold-producing medium entering condenser is carried out certain journey
That spends is supercool.In view of this demand, as shown in Figure 4, between wing plate 3 and package 1 bottom surface inwall, it is provided with a supercooling tube
14(also can need to arrange a plurality of according to system design), to increase the degree of supercooling of cold-producing medium, thus improve whole refrigeration system
Coefficient of refrigerating performance.
Embodiment 3
It is well known that when two media, to carry out time of heat exchange the longest, and heat exchange the most therebetween is the most abundant.
In pipe heat exchanger, cold-producing medium flows through the time of heat exchanger tube and is substantially constant, therefore determines cold-producing medium and coolant heat exchange
The key factor of duration is that the cold-producing medium speed by heat exchanger tube.In the present embodiment, employing sets at refrigerator pipes inwall
The method putting retention device.Such as, the mode being threaded projection (not shown) is used to carry out the flowing of sluggish cold-producing medium, to extend
The cold-producing medium time by heat exchanger tube so that cold-producing medium is more abundant, to improve heat exchange with the heat transmission of coolant and exchange
Efficiency.
Concrete, the setting of thread protrusion is advisable with protrusion height for 0.5-1.5mm.Sluggishness if height of projection is too small
DeGrain.If height of projection is too high, on the one hand, refrigerant flow rates will receive undue sluggishness, affects whole system
Operation；On the other hand, the impurity in cold-producing medium or moisture can be easily caused and gather at heat exchanger tube internal projection, formed ice stifled or
" dirty stifled ".
Further, the pitch of thread protrusion arranges and is advisable with 4.5-20mm.Pitch arranges excessive, and hysteresis effect is paid no attention to
Thinking, pitch arranges too small, manufactures difficulty.
Further, the tooth form in thread protrusion cross section can be conventional triangular-section, or trapezoid cross section, width with
0.5-2mm is advisable.
Owing to being provided with the thread protrusion flowing with sluggish cold-producing medium in heat exchanger tube, cold-producing medium passes through unit length heat exchange
The time of pipe can extend 10-20% than by common heat exchanger tube, substantially increases heat exchanger effectiveness.
Additionally, the shape of retention device can also use annulus convex shaped, zigzag, or other can effectively stop refrigeration
The shape of agent flowing.
Embodiment 4
In addition to using exchange heat pipe 9 inwall of the technical scheme in embodiment 3 and carrying out processing to improve the thermal efficiency, also may be used
To use in the way of heat exchanger tube 9 inwall coating flow-disturbing layer so that the cold-producing medium in heat exchanger tube 9 forms flow-disturbing on internal face, reach
To the purpose improving heat exchange efficiency.The mode of coating flow-disturbing layer can be used alone, it is also possible to convex with the screw thread in embodiment 3
The technological means such as play, annulus is protruding to be used in mixed way.
The flow-disturbing layer material generally used can be by corundum, PAE(phthalic acid ester), dihydroxy polydimethyl silica
The materials such as alkane are constituted.Flow-disturbing layer makes in the following way: take the corundum 15-20 weight portion of 325-500 mesh, PAE37-85 weight
Amount part, dialkyl polydimethylsiloxane 65-85 weight portion, after stirring, stand 5-8 minute.Then it is coated uniformly on and changes
Heat pipe inner wall, coating layer thickness is advisable with 0.3mm-1mm.After coating, heat exchanger tube is made to be maintained at a temperature of 65-75 degree 15 points
More than clock, so that flow-disturbing layer curing molding.
In order to preferably ensure the quality of heat exchanger tube, after flow-disturbing layer curing molding, can press with high pressure (more than 3Bar)
Contracting air exchange heat pipe blows, to blow down the corundum of the not perfect solidification being attached to flow-disturbing layer surface, it is to avoid in heat exchange
When pipe runs, these corundum come off, and equipment causes damage or blocking.
In above-mentioned flow-disturbing layer, the corundum mixed makes flow-disturbing layer surface roughness relatively big, easily makes cold-producing medium warp
The trickle turbulent flow of out-of-date generation.And dialkyl polydimethylsiloxane has certain sucking action for conventional alkane halide,
And have significant proportion to be made up of alkane halide in conventional cold-producing medium, or part is alkane halide.Therefore when above-mentioned system
When cryogen flows through flow-disturbing layer surface, alkane halide matter therein can be made by dialkyl polydimethylsiloxane captivation
With, slowing down the flow velocity of cold-producing medium, coordinate the trickle turbulent flow caused due to rough surface, heat exchange effect becomes apparent from.And use
PAE, contributes to flow-disturbing layer raw material and preferably merges.
Embodiment 5
Flow-disturbing layer can also use corundum, chlorinated paraffin, dialkyl polydimethylsiloxane and a small amount of vinyl triamine
Constituting, vinyl triamine therein is so that the solidification effect of whole mixture is more preferable the most faster.The making work of this kind of flow-disturbing layer
Skill is as follows:
Take the corundum 15-20 weight portion of 325-500 mesh, chlorinated paraffin 30-45 weight portion, dihydroxy polydimethyl silica
Alkane 70-90 weight portion, vinyl triamine 3-8 weight portion, it is coated on heat exchanger tube inwall after stirring immediately, and with liter per minute
Firing rate about temperature 7-8 degree is slowly heated to 60-65 degree, keeps about 5 minutes, then flow-disturbing layer curing molding.Same,
The thickness that during making, flow-disturbing layer material coats should be maintained at 0.3-1mm and be advisable.This technical method is used to make heat exchanger tube flow-disturbing layer,
More faster than the method in embodiment 4 efficiently, and flow-disturbing effect is unaffected.
Owing to present invention employs above-mentioned each technological means so that the pipe heat exchanger heat transfer efficiency of the present invention compares conventional tube
Formula heat exchanger is greatly improved.Room temperature 15 degree, using 15 degree of water as coolant, R134a is as cold-producing medium, and pressure is about 25 bars
In the case of do confirmatory experiment, the wherein size of package, the length of heat exchanger tube, quantity are completely the same, obtain result as follows:
| Traditional heat exchangers | Embodiment 1 | Embodiment 1+3 | Embodiment 1+4 | Embodiment 1+5 | Embodiment 1+3+5 | |
| Outlet temperature | 21.1 | 25.2 | 27.4 | 27.2 | 26.9 | 29.1 |
As can be seen here, use the pipe heat exchanger of the present invention, heat friendship can be significantly improved compared to traditional pipe heat exchanger
Change efficiency.Pipe heat exchanger disclosed in this invention is more efficient, more economical.In addition, it should be noted that it will be apparent that originally
Invent the technological means used in each embodiment, can be used alone on pipe heat exchanger, also can be combined to use and change in tubular type
On hot device.Those skilled in the art are under the teaching of this specification, and the simple customary means of being the present invention is replaced, should be by
Think and fall among protection scope of the present invention.
Claims (8)
1. a pipe heat exchanger for band retention device, including package, the heat exchanger tube being arranged in an axially parallel mode in package with package,
It is characterized in that: be arranged at intervals with wing plate in package, each wing plate is each perpendicular to package straight line and arranges, and above-mentioned wing plate sets successively
Having through hole, above-mentioned each through-hole diameter is roughly the same with each heat exchanger tube external diameter, and above-mentioned each heat exchanger tube sequentially passes through above-mentioned each through hole also
Fixing with above-mentioned wing plate and be connected, be provided with retention device in above-mentioned heat exchanger tube, above-mentioned retention device is protruding helicitic texture, convex
Going out height is 0.5-1.5mm, and above-mentioned each heat exchanger tube inwall is provided with flow-disturbing coating, and described flow-disturbing coating layer thickness is 0.3mm-1mm,
Above-mentioned flow-disturbing coating is composed of the following components: the corundum 15-20 weight portion of 325-500 mesh, phthalic acid ester 37-85 weight
Part, dialkyl polydimethylsiloxane 65-85 weight portion.
2. pipe heat exchanger as claimed in claim 1, it is characterised in that: above-mentioned each piece of wing edges of boards edge radially proximates in package
Medial wall.
3. pipe heat exchanger as claimed in claim 2, it is characterised in that the edge shape of described wing plate be circular, the scarce shape of circle or
Polygon.
4. pipe heat exchanger as claimed in claim 2 or claim 3, it is characterised in that described wing plate uses plate shaped or waveform.
5. pipe heat exchanger as claimed in claim 4, it is characterised in that on described wing plate, calking or flange are set.
6. the pipe heat exchanger as described in one of claim 1-3, it is characterised in that be provided with supercooling tube bottom package.
7. pipe heat exchanger as claimed in claim 4, it is characterised in that be provided with supercooling tube bottom package.
8. pipe heat exchanger as claimed in claim 5, it is characterised in that be provided with supercooling tube bottom package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011027.0A CN103743268B (en) | 2012-12-12 | 2012-12-12 | Pipe heat exchanger with retention device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105344800A CN102937389A (en) | 2012-12-12 | 2012-12-12 | Efficient tubular heat exchanger |
| CN201410011027.0A CN103743268B (en) | 2012-12-12 | 2012-12-12 | Pipe heat exchanger with retention device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105344800A Division CN102937389A (en) | 2012-12-12 | 2012-12-12 | Efficient tubular heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743268A CN103743268A (en) | 2014-04-23 |
| CN103743268B true CN103743268B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410011027.0A Expired - Fee Related CN103743268B (en) | 2012-12-12 | 2012-12-12 | Pipe heat exchanger with retention device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307454B (en) * | 2022-08-09 | 2023-08-11 | 黑龙江八一农垦大学 | Condenser for laboratory |
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| CN101000187A (en) * | 2006-12-27 | 2007-07-18 | 东莞市广大制冷有限公司 | High efficient large fin case tube heat exchanger |
| CN202013023U (en) * | 2011-04-21 | 2011-10-19 | 朱军民 | Heat exchanging copper pipe structure for air source water heater |
| CN202057241U (en) * | 2011-04-27 | 2011-11-30 | 江苏兴荣高新科技股份有限公司 | Copper and aluminum composite pipe with internal threads |
| CN202350612U (en) * | 2011-11-23 | 2012-07-25 | 江苏牧羊集团有限公司 | Heat exchange tube with rolled thread |
| CN202361859U (en) * | 2011-12-14 | 2012-08-01 | 辽宁远东换热设备制造有限公司 | Internal thread heat exchange pipe |
| CN203083405U (en) * | 2012-12-12 | 2013-07-24 | 王益 | Efficient tubular heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424495A (en) * | 2007-10-30 | 2009-05-06 | 通用电气公司 | Heat transmission strengthening system and method for manufacturing heat transfer equipment |
| CN201503174U (en) * | 2009-09-14 | 2010-06-09 | 珠海格力电器股份有限公司 | Heat exchanger for air conditioner |
-
2012
- 2012-12-12 CN CN201410011027.0A patent/CN103743268B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000187A (en) * | 2006-12-27 | 2007-07-18 | 东莞市广大制冷有限公司 | High efficient large fin case tube heat exchanger |
| CN202013023U (en) * | 2011-04-21 | 2011-10-19 | 朱军民 | Heat exchanging copper pipe structure for air source water heater |
| CN202057241U (en) * | 2011-04-27 | 2011-11-30 | 江苏兴荣高新科技股份有限公司 | Copper and aluminum composite pipe with internal threads |
| CN202350612U (en) * | 2011-11-23 | 2012-07-25 | 江苏牧羊集团有限公司 | Heat exchange tube with rolled thread |
| CN202361859U (en) * | 2011-12-14 | 2012-08-01 | 辽宁远东换热设备制造有限公司 | Internal thread heat exchange pipe |
| CN203083405U (en) * | 2012-12-12 | 2013-07-24 | 王益 | Efficient tubular heat exchanger |
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| CN103743268A (en) | 2014-04-23 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Dong Shuqiao Inventor before: Wang Yi |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170516 Address after: 523000 D building, No. 309 old village road, Yuan Jiang Yuan, Changping Town, Dongguan, Guangdong, China Patentee after: Dongguan Bridge cold and hot equipment Co., Ltd. Address before: 621604 Mianyang city of Sichuan Province Branch Chong Park Business Service Center incubator building D District No. 261 Patentee before: MIANYANG KUAIDIAN TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20171212 |