CN101871738A - Thermal-load adjustable high-efficiency heat exchanger - Google Patents
Thermal-load adjustable high-efficiency heat exchanger Download PDFInfo
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- CN101871738A CN101871738A CN 201010206422 CN201010206422A CN101871738A CN 101871738 A CN101871738 A CN 101871738A CN 201010206422 CN201010206422 CN 201010206422 CN 201010206422 A CN201010206422 A CN 201010206422A CN 101871738 A CN101871738 A CN 101871738A
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Abstract
The invention discloses a thermal-load adjustable high-efficiency heat exchanger comprising a front channel box (1), a rear channel box (8) and a barrel (3), wherein the barrel (3) is provided with a medium inlet (7) and a medium outlet (10) which are communicated with the inner part of the barrel (3), a heat exchange tube bundle (5) is arranged in the barrel (3), two ends of the barrel (3) are respectively provided with a tube plate (2) for supporting the heat exchange tube bundle (5), and two tube plates (2) are respectively connected with the front channel box (1) and the rear channel box (8). The thermal-load adjustable high-efficiency heat exchanger is characterized in that a heat exchange tube (4) in the heat exchange tube bundle (5) is a multiple-reducing tube, the tube diameter of the heat exchange tube (4) near one end of the front channel box (1) is larger than that of the heat exchange tube (4) near one end of the rear channel box (8), and the size of the front tube diameter and the rear tube diameter of the multiple-reducing tube can be interconverted; and one end of the heat exchange tube (4) is communicated with the front channel box (1), and the other end is communicated with the rear channel box (8). The invention has the characteristics of adjustable heat load, simple structure, convenient maintenance and replacement and high heat exchange efficiency and is simultaneously suitable for multiple media.
Description
Technical field
The present invention relates to a kind of heat-exchange apparatus, the constant current speed heat exchanger that uses in the industries such as especially a kind of petrochemical industry, chemical industry, metallurgy and electric power, specifically a kind of thermal-load adjustable constant current speed high-performance heat exchanger.
Background technology
At present, in many fields such as productive lifes, all consuming big energy every day.For heat energy is utilized effectively, reduce heat loss in the transmittance process, improve equipment thermal efficiency, the heat exchanger heat transfer process is strengthened, efficient improves; Reduce equipment occupation space to reach, reduce metal wastage or fuel savings, the voluminous steam of device fabrication or make fluid heat up, cool off or realize the purposes such as abundant recovery of low value waste heat rapidly.Strengthen the heat transfer measure and mainly contain two, promptly strengthen heat transfer temperature difference and reduce heat transfer resistance.Be subjected to the restriction of factors such as technology, environment, material, the heat transfer temperature in the industrial equipment generally can not arbitrarily change.Strengthen heat transfer temperature difference and also can increase irreversible loss, do not adopt in a lot of occasions so strengthen heat transfer by the increase heat transfer temperature difference.Heat transfer resistance is made up of a plurality of series connection links, reduces the heat transfer resistance of the maximum link of thermal resistance, to improving the heat transfer coefficient most pronounced effects.
Heat exchanger metal material thermal conductivity factor is big, and thickness is little, and thermal resistance is lower.Improve flow velocity in addition, strengthen disturbance and can reduce heat transfer resistance.But flow velocity greatly then mechanical power loss is also big, so enhance fluid disturbance, attenuate and breakable layer laminar sublayer have become the long-term insistent main direction of people, as bellows, conduit pipe, winding pipe, screwed pipe, finned tube etc., attenuate and destroyed laminar sublayer greatly, heat transfer coefficient is than higher.
Heat exchanger is particularly huge in the use amount of oil, chemical field in national economy.And existing heat exchanger is the separate unit installation, purposes is single, can't make up adjusting according to payload, cause floor space big, serious waste of resources, production cost is high, the heat exchanger tube form of installing in the meanwhile existing heat exchanger is single, and inlet velocity and muzzle velocity are inconsistent, is consistent in order to make import and export speed, then necessary additionaling power does not still have good solution to this.
Summary of the invention
It is non-adjustable to the objective of the invention is the load that exists at existing heat exchanger, and heat exchange tube diameter is consistent to cause the problem that port of export flow velocity is low, heat exchange efficiency is low, designs a kind of constant current speed adjustable heat load multistage high-performance heat exchanger.
Technical scheme of the present invention is:
A kind of thermal-load adjustable high-efficiency heat exchanger, it comprises front header 1, rear header 8 and cylindrical shell 3, cylindrical shell 3 is provided with medium inlet 7 and the media outlet 10 that communicates with its inside, heat-exchanging tube bundle 5 is installed in cylindrical shell 3, the two ends of cylindrical shell 3 respectively are equipped with the tube sheet 2 of a supporting heat-exchanging tube bundle 5, described two tube sheets 2 link to each other with rear header 8 with front header 1 respectively, the heat exchanger tube 4 that it is characterized in that forming in the heat-exchanging tube bundle 5 is multi-changing diameter tube, the front and back caliber size of multi-changing diameter tube is interconvertible, and the caliber of the heat exchanger tube 4 of close front header 1 one ends is greater than the caliber near rear header 8 one ends, one end of described heat exchanger tube 4 communicates with front header 1, and the other end communicates with rear header 8.
Described reducing heat exchanger tube 4 is whole Taper Pipe or is made up of the cylindrical tube of several sections different-diameters, links to each other by Taper Pipe between the cylindrical tube of different-diameter.
Described cylindrical shell 3 is by forming more than two sections, the two ends of each cylindrical shell 3 all are equipped with tube sheet 2, link to each other by connecting bobbin carriage 12 between the adjacent cylindrical shell 3, be equipped with corresponding medium inlet 7 and media outlet 10 on each cylindrical shell 3, in each cylindrical shell 3 heat-exchanging tube bundle of being made up of reducing heat exchanger tube 4 be installed all.
Described cylindrical shell 3 is by forming more than two sections, the two ends of each cylindrical shell 3 all are equipped with tube sheet 2, link to each other by connecting bobbin carriage 12 between the adjacent cylindrical shell 3, be equipped with corresponding medium inlet 7 and media outlet 10 on each cylindrical shell 3, in each cylindrical shell 3 heat-exchanging tube bundle of being made up of heat exchanger tube 4 is installed all, the caliber difference of the heat exchanger tube 4 in the different cylindrical shells 3, and the rule that tapers off distributes, promptly the diameter of the heat exchanger tube 4 in the cylindrical shell 3 of front header 1 one ends is big more.
Described heat exchanger tube 4 is bellows, conduit pipe, winding pipe, screwed pipe, finned tube or its combination.
Beneficial effect of the present invention:
The present invention has realized that a heat exchanger can use multiple fluid (medium), and heat exchanger can be adjusted according to the load design of multiple fluid (medium), and flexibility is very strong, than common tubulation class heat exchanger good effect of heat exchange.Heat exchanger tube can adopt structures such as interior ripple male-pipe, bellows, conduit pipe, screwed pipe, bellows tube and high heat-flux pipe, in order to carry out tube side medium augmentation of heat transfer, has realized pipe, the synchronous augmentation of heat transfer of shell side two media.
Heat exchanger of the present invention adopts demountable structure, but the heat exchanging device change, so not only economize on resources, and reduce production costs.
The present invention has adopted changeable footpath heat exchanger tube first, because port of export caliber diminishes, make through the fluid after the heat exchange still to keep higher flow velocity to pass through heat exchanger tube, guaranteed the invariable of heat exchanger effectiveness, overcome the little drawback that needs additionaling power of port of export speed that traditional heat exchanger exists.
Hot fluid of the present invention can enter from front header, tube side and connection bobbin carriage and rear header through a plurality of tube banks, make hot fluid drop to low temperature from high temperature, heated cold fluid enters the shell side of a plurality of heat-exchanging tube bundles respectively from the medium inlet, come out from media outlet, owing to adopt a plurality of cylindrical shells, heated cold fluid can be with a kind of cold fluid, can be different cold fluids also, realize a tractor serves several purposes.
The present invention also can make cold fluid enter from front header, tube side and connection bobbin carriage and rear header through a plurality of tube banks, make cold fluid be raised to high temperature from low temperature, the hot fluid that is cooled enters a plurality of tube banks respectively from the medium inlet shell side comes out from media outlet again, the hot fluid that is cooled also can be different hot fluids with a kind of hot fluid.Realized a tractor serves several purposes.
The separate dispersed placement in each position of flow process of the present invention, equipment volume is little, is convenient to dismounting, and regular maintenance, maintenance are conveniently.After any one section heat-exchanging tube bundle wherein decreases base, can pull down and overhaul, and not influence the normal use of equipment.
Description of drawings
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is the schematic diagram of reducing heat exchanger tube of the present invention.
Fig. 3 is two of a structural representation of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
As shown in Figure 1, 2.
A kind of constant current speed, thermal-load adjustable high-efficiency heat exchanger, it comprises front header 1, rear header 8 and cylindrical shell 3, cylindrical shell 3 is provided with the medium inlet 7 that communicates with its inside and media outlet 10 and exhaust outlet 6, drain 11, medium inlet 7 and media outlet 10 mounted in pairs, can be for a pair of, it is several right also to can be, among Fig. 1 two pairs of structures, if the medium difference that enters cylindrical shell 3 from two medium inlets 7 also can increase dividing plate and realize that different medium carries out heat exchange in same cylindrical shell 3 in cylindrical shell 3.Cylindrical shell 3 integral body are bearing on the saddle 9, heat-exchanging tube bundle 5 is installed in cylindrical shell 3, the two ends of cylindrical shell 3 respectively are equipped with the tube sheet 2 of a supporting heat-exchanging tube bundle 5, described two tube sheets 2 link to each other with rear header 8 with front header 1 respectively, the heat exchanger tube of forming in the heat-exchanging tube bundle 54 is a reducer pipe, and the caliber of the heat exchanger tube 4 of close front header 1 one ends is greater than the caliber near rear header 8 one ends, and an end of described heat exchanger tube 4 communicates with front header 1, and the other end communicates with rear header 8.Reducing heat exchanger tube 4 is whole Taper Pipe during concrete enforcement, also can be the cylindrical tube by several sections different-diameters shown in Figure 2 and forms, and links to each other by Taper Pipe between the cylindrical tube of different-diameter.
As seen from Figure 1, hot fluid can enter from front header 1, through heat-exchanging tube bundle 5 and rear header 8, makes hot fluid drop to low temperature from high temperature, and heated cold fluid is 7 shell sides that enter heat-exchanging tube bundle from the medium inlet respectively, come out from media outlet 10.
Can heat different media by increasing dividing plate.
Present embodiment also can make cold fluid enter from front header 1, through the tube side and the rear header 8 of heat-exchanging tube bundle 5, makes cold fluid be raised to high temperature from low temperature, and the hot fluid that is cooled 7 enters to come out from media outlet 10 from the medium inlet respectively again.
By using dividing plate or realization cooling to different medium.
Embodiment two.
Shown in Fig. 2,3.
What present embodiment and embodiment one were different is that cylindrical shell 3 adopts a plurality of combinations, as shown in Figure 3, be equivalent to a plurality of heat exchanger package are lumped together continuous by connecting bobbin carriage 12 each other, be equipped with corresponding medium inlet 7 and media outlet 10 on each cylindrical shell 3, the heat-exchanging tube bundle of being made up of heat exchanger tube 45 all is installed in each cylindrical shell 3.The heat exchanger tube of installing in each cylindrical shell 34 can all or part of employing reducer pipe, and reducer pipe can adopt conical pipe, also can adopt reducer pipe shown in Figure 2.Because cylindrical shell 3 is made up of a plurality of, therefore also the heat exchanger tube of wherein installing 4 can be designed to different calibers, the diameter of the heat exchanger tube 4 in the cylindrical shell 3 of front header 1 big more (what enter from front header is hot fluid, otherwise diameter is more little).
As seen from Figure 3, hot fluid of the present invention can enter from front header 1, tube side and connection bobbin carriage 12 and back pipe 8 through a plurality of tube banks 5, make hot fluid drop to low temperature from high temperature, heated cold fluid is 7 shell sides that enter a plurality of heat-exchanging tube bundles 5 from the medium inlet respectively, come out from media outlet 10, owing to adopt a plurality of cylindrical shells, heated cold fluid can be with a kind of cold fluid, can be different cold fluids also, has realized a tractor serves several purposes.
The present invention also can make cold fluid enter from front header 1, tube side and connection bobbin carriage 12 and rear header 8 through a plurality of tube banks 5, make cold fluid be raised to high temperature from low temperature, 7 shell sides that enter a plurality of tube banks come out from media outlet 10 hot fluid that is cooled again from the medium inlet respectively, the hot fluid that is cooled also can be different hot fluids with a kind of hot fluid.Realized a tractor serves several purposes.
In order to improve heat exchange efficiency, the heat exchanger tube 4 among the embodiment one, two can adopt a kind of or its combination in bellows, conduit pipe, winding pipe, screwed pipe, the finned tube.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (5)
1. thermal-load adjustable high-efficiency heat exchanger, it comprises front header (1), rear header (8) and cylindrical shell (3), cylindrical shell (3) is provided with medium inlet (7) and the media outlet (10) that communicates with its inside, heat-exchanging tube bundle (5) is installed in cylindrical shell (3), the two ends of cylindrical shell (3) respectively are equipped with the tube sheet (2) of a supporting heat-exchanging tube bundle (5), described two tube sheets (2) link to each other with rear header (8) with front header (1) respectively, the heat exchanger tube (4) that it is characterized in that forming in the heat-exchanging tube bundle (5) is a multi-changing diameter tube, and the caliber of the heat exchanger tube (4) of close front header (1) one end is greater than the caliber near rear header (8) one ends, the front and back caliber size of multi-changing diameter tube is interconvertible, one end of described heat exchanger tube (4) communicates with front header (1), and the other end communicates with rear header (8).
2. thermal-load adjustable high-efficiency heat exchanger according to claim 1 is characterized in that described reducing heat exchanger tube (4) for whole Taper Pipe or is made up of the cylindrical tube of several sections different-diameters, and is continuous by Taper Pipe between the cylindrical tube of different-diameter.
3. thermal-load adjustable high-efficiency heat exchanger according to claim 1, it is characterized in that described cylindrical shell (3) is by forming more than two sections, the two ends of each cylindrical shell (3) all are equipped with tube sheet (2), link to each other by connecting bobbin carriage (12) between the adjacent cylindrical shell (3), be equipped with corresponding medium inlet (7) and media outlet (10) on each cylindrical shell (3), the heat-exchanging tube bundle of being made up of reducing heat exchanger tube (4) all is installed in each cylindrical shell (3).
4. thermal-load adjustable high-efficiency heat exchanger according to claim 1, it is characterized in that described cylindrical shell (3) is by forming more than two sections, the two ends of each cylindrical shell (3) all are equipped with tube sheet (2), link to each other by connecting bobbin carriage (12) between the adjacent cylindrical shell (3), be equipped with corresponding medium inlet (7) and media outlet (10) on each cylindrical shell (3), the heat-exchanging tube bundle of being made up of heat exchanger tube (4) all is installed in each cylindrical shell (3), the caliber difference of the heat exchanger tube (4) in the different cylindrical shells (3), and taper off or progressive law distributes, promptly the diameter of the heat exchanger tube (4) in the cylindrical shell (3) of front header (1) one end is big or more little more.
5. thermal-load adjustable high-efficiency heat exchanger according to claim 1 is characterized in that described heat exchanger tube (4) is bellows, conduit pipe, winding pipe, screwed pipe, finned tube or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010206422 CN101871738A (en) | 2010-06-22 | 2010-06-22 | Thermal-load adjustable high-efficiency heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010206422 CN101871738A (en) | 2010-06-22 | 2010-06-22 | Thermal-load adjustable high-efficiency heat exchanger |
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| CN101871738A true CN101871738A (en) | 2010-10-27 |
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| CN 201010206422 Pending CN101871738A (en) | 2010-06-22 | 2010-06-22 | Thermal-load adjustable high-efficiency heat exchanger |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654330A (en) * | 2012-06-06 | 2012-09-05 | 顺德职业技术学院 | Coupled evaporative condenser used for cascade heat pump hot water machine |
| CN104034188A (en) * | 2014-05-19 | 2014-09-10 | 陈勤 | Heat exchanger and heat exchange enhancement method |
| CN104930497A (en) * | 2015-06-23 | 2015-09-23 | 天津大学 | Shell-and-tube evaporator by adoption of composite type special-shaped tube bundle |
| CN105509516A (en) * | 2016-01-08 | 2016-04-20 | 湖州科达化工燃料有限公司 | Quick heat exchanger for chemical industry |
| CN107091546A (en) * | 2017-05-02 | 2017-08-25 | 珠海格力电器股份有限公司 | Shell-tube heat exchanger |
| CN107300332A (en) * | 2016-04-14 | 2017-10-27 | 济南岳华节能设备有限公司 | A kind of two-tube pass heat exchanger |
| CN109405598A (en) * | 2018-11-08 | 2019-03-01 | 上海慧得节能科技有限公司 | Variable diameter tube side heat exchanger for hot-blast stove |
| CN111074874A (en) * | 2019-12-11 | 2020-04-28 | 江苏中圣高科技产业有限公司 | Can realize remote monitoring's high-efficient hot stick |
| CN112357035A (en) * | 2020-10-28 | 2021-02-12 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship outboard conformal cooler and ship cooling system |
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| JPH11193993A (en) * | 1997-12-29 | 1999-07-21 | Usui Internatl Ind Co Ltd | Multitubular egr gas-cooling device |
| CN2432537Y (en) * | 2000-07-11 | 2001-05-30 | 王荣盛 | Superconducting heat enamel glass tube shell heat exchanger |
| JP2003004389A (en) * | 2001-06-25 | 2003-01-08 | Nissan Motor Co Ltd | Egr gas cooler |
| CN2864552Y (en) * | 2006-01-20 | 2007-01-31 | 江苏中圣高科技产业有限公司 | Spiral baffle high-effective heat exchanger |
| CN201314799Y (en) * | 2008-12-03 | 2009-09-23 | 辽阳光华化工有限公司 | Cooler |
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2010
- 2010-06-22 CN CN 201010206422 patent/CN101871738A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11193993A (en) * | 1997-12-29 | 1999-07-21 | Usui Internatl Ind Co Ltd | Multitubular egr gas-cooling device |
| CN2432537Y (en) * | 2000-07-11 | 2001-05-30 | 王荣盛 | Superconducting heat enamel glass tube shell heat exchanger |
| JP2003004389A (en) * | 2001-06-25 | 2003-01-08 | Nissan Motor Co Ltd | Egr gas cooler |
| CN2864552Y (en) * | 2006-01-20 | 2007-01-31 | 江苏中圣高科技产业有限公司 | Spiral baffle high-effective heat exchanger |
| CN201314799Y (en) * | 2008-12-03 | 2009-09-23 | 辽阳光华化工有限公司 | Cooler |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654330A (en) * | 2012-06-06 | 2012-09-05 | 顺德职业技术学院 | Coupled evaporative condenser used for cascade heat pump hot water machine |
| CN104034188A (en) * | 2014-05-19 | 2014-09-10 | 陈勤 | Heat exchanger and heat exchange enhancement method |
| CN104034188B (en) * | 2014-05-19 | 2016-08-24 | 陈勤 | Heat exchanger and strengthened heat exchange method |
| CN104930497A (en) * | 2015-06-23 | 2015-09-23 | 天津大学 | Shell-and-tube evaporator by adoption of composite type special-shaped tube bundle |
| CN104930497B (en) * | 2015-06-23 | 2017-04-26 | 天津大学 | Shell-and-tube evaporator by adoption of composite type special-shaped tube bundle |
| CN105509516A (en) * | 2016-01-08 | 2016-04-20 | 湖州科达化工燃料有限公司 | Quick heat exchanger for chemical industry |
| CN107300332A (en) * | 2016-04-14 | 2017-10-27 | 济南岳华节能设备有限公司 | A kind of two-tube pass heat exchanger |
| CN107091546A (en) * | 2017-05-02 | 2017-08-25 | 珠海格力电器股份有限公司 | Shell-tube heat exchanger |
| CN109405598A (en) * | 2018-11-08 | 2019-03-01 | 上海慧得节能科技有限公司 | Variable diameter tube side heat exchanger for hot-blast stove |
| CN109405598B (en) * | 2018-11-08 | 2024-05-14 | 上海慧得节能科技有限公司 | Reducing pipe-line hot-blast stove heat exchanger |
| CN111074874A (en) * | 2019-12-11 | 2020-04-28 | 江苏中圣高科技产业有限公司 | Can realize remote monitoring's high-efficient hot stick |
| CN112357035A (en) * | 2020-10-28 | 2021-02-12 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship outboard conformal cooler and ship cooling system |
| CN112357035B (en) * | 2020-10-28 | 2022-03-25 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship outboard conformal cooler and ship cooling system |
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Open date: 20101027 |