CN104634143B - The heat exchange of heat pipe of a kind of convertible heat and method of work - Google Patents
The heat exchange of heat pipe of a kind of convertible heat and method of work Download PDFInfo
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- CN104634143B CN104634143B CN201510057921.6A CN201510057921A CN104634143B CN 104634143 B CN104634143 B CN 104634143B CN 201510057921 A CN201510057921 A CN 201510057921A CN 104634143 B CN104634143 B CN 104634143B
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Abstract
The invention discloses the heat exchange of heat pipe of a kind of convertible heat and method of work, tail gas is arrived air chamber by air inlet pipe, and working medium in heat pipe evaporator section absorbs heat and vaporizes, and at the flows by action of steam pressure to condensation segment, heat is taken to condensation segment；The working substance steam at condensation segment place meets cold liquidation exothermic reaction, transfers heat to heating agent, makes heat medium temperature raise；Working medium is back to evaporator section under the capillary force effect of heat pipe wicks and participates in once thermal cycle；Heating agent after temperature rising is discharged from discharging tube, reduces with generator temperature after heat transmits, then is flowed into catch box, the heat of circulation reception tail gas by feed tube.Need not freeze or cooling load hour, make the evaporator section of heat pipe reduce with the contact area of air chamber；The heat needed with hot spot is many, makes the evaporator section of heat pipe increase with the contact area of air chamber.The heat exchange amount of the present invention can control, it is possible to meets under different situations by the energy supply demand in hot spot, has significantly high safety and motility.
Description
Technical field
The present invention relates to a kind of vehicle exhaust heat reclamation device, particularly relate to heat exchange of heat pipe and the method for work of a kind of convertible heat.
Background technology
Along with progress and the expanding economy of science and technology, huge numbers of families come into by automobile.While meeting people's trip requirements, the increase of automobile quantity also brings immense pressure to environment.A lot of cities occur in that serious haze weather, and in the formative factor of haze, motor vehicle exhaust emission occupies important position.In view of the needs of the support of national policy and environmental conservation, vehicle energy saving and green technology become the emphasis of world today's scientific research, and the UTILIZATION OF VESIDUAL HEAT IN of vehicle exhaust also becomes a research topic having a bright future.
Having data to show, vehicle exhaust accounts for 1/3rd of atmospheric pollution derived components proportion, prevents and remedies pollution and to do from source, and the research of energy-saving and emission-reduction technology of vehicles is very urgent.In the power-saving technology of automobile, the waste heat recovery of tail gas has important position, a lot of enterprises and colleges and universities being engaged in the research of this respect, and some achievements are come out one after another.In all kinds of heat exchangers, heat exchange of heat pipe has broad application prospects.The capacity of heat transmission of heat pipe is thousands of times of metal, therefore has, based on the heat exchanger of heat pipe, the advantage that volume is little, heat exchange efficiency is high.
On the one hand, the problem that the vehicle exhaust heat exchanger ubiquity heat exchange efficiency that is currently known is low, if to improve heat exchange efficiency, can only the volume of heat exchanger be designed to sufficiently large, this is less susceptible to when applying on automobile realize.On the other hand, the control problem of heat exchange amount often ignored by these heat exchangers when design, and the control exchanging heat has very big meaning when practical application.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is proposed that the heat exchange of heat pipe of a kind of convertible heat and method of work, this heat exchanger is gas-liquid heat exchange of heat pipe, and hot fluid is high temperature automotive tail gas, and cold flow body is thermal medium.Utilize heat pipe to carry out heat transmission, the heat in vehicle exhaust is transferred in thermal medium, and control the heat exchange amount of heat exchanger by regulating device, the problem such as solve that the structure that common tail gas heat exchanger exists is complicated, heat exchange efficiency is low and heat exchange amount is uncontrollable.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of heat exchange of heat pipe of convertible heat, including: air chamber and catch box；
Described air chamber be respectively arranged at two ends with air inlet pipe and exhaustor, the two ends of described catch box be respectively equipped with feed tube and discharging tube；
Described air chamber and catch box are connected by heat pipe, and the evaporator section of described heat pipe inserts in air chamber, and the condensation segment of heat pipe inserts in catch box；
Heat pipe, catch box or air chamber control along the direction relative motion of heat pipe, to change the length of heat pipe evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
In described air inlet pipe and exhaustor the flow direction of air-flow and feed tube and discharge opeing liquid in pipe flow in opposite direction, to improve the heat exchange efficiency of heat exchanger.
Described catch box and heat pipe junction adopt high-temperature seal ring to seal；Described catch box can do relative motion along heat pipe direction, only moves catch box, only changes the length of heat pipe condenser section.
The cold flow side of described heat exchanger is catch box, and described catch box and heat pipe junction adopt blind pipe structure, and blind pipe and catch box weld together, and heat pipe condenser section inserts in blind pipe, and described heat pipe and air chamber weld together.
Described heat pipe and air chamber, by protecting set to connect, alleviate abrasion when heat pipe and air chamber relative motion；Described air chamber can do relative motion along heat pipe direction, only moves air chamber, only changes the length of heat pipe evaporator section.
Described catch box and heat pipe junction adopt high-temperature seal ring to seal；Described heat pipe and air chamber are by protecting set to connect；Described heat pipe can between catch box and air chamber relative motion, only move heat pipe, evaporator section and the condensation segment length of heat pipe can change simultaneously.
The cold flow side of described heat exchanger is catch box, and catch box and heat pipe junction adopt blind pipe structure, and blind pipe and catch box weld together, and heat pipe condenser section inserts in blind pipe.
For preventing leakage, it is inoculated with heat conduction silicone oil in the gap between described heat pipe and blind pipe, and seals with high-temperature seal ring.
A kind of method of work of the heat exchange of heat pipe of convertible heat, including:
High temperature automotive tail gas is arrived air chamber through gas extraction system by air inlet pipe, and working medium in heat pipe evaporator section absorbs the heat of tail gas and vaporizes, and at the flows by action of steam pressure to condensation segment, thus heat is taken to condensation segment；
The working substance steam at condensation segment place meets cold liquidation exothermic reaction, and transfers heat to heating agent, makes heat medium temperature raise, and then completes the removal process of using waste heat from tail gas；
Working medium is back to evaporator section under the capillary force effect of heat pipe wicks and participates in once thermal cycle；
Temperature raise after heating agent discharge from discharging tube, with there is heat transmission with hot spot after temperature reduce, then flowed into catch box by feed tube, thus circulating the heat receiving tail gas.
Need not freeze or refrigeration mechanism refrigeration duty hour, too many heat need not be absorbed from thermal medium with hot spot and just can keep normal operating conditions, the heat exchange amount of heat exchanger should be reduced, handle adjustment device control heat pipe, catch box or air chamber to do relative motion along heat pipe direction, make the evaporator section of heat pipe reduce with the contact area of air chamber；
When refrigeration machine workload is big, the heat that generator needs is many, it should increase the heat exchange amount of heat exchanger, handles adjustment device control heat pipe, catch box or air chamber and does relative motion along heat pipe direction, makes the evaporator section of heat pipe increase with the contact area of air chamber.
The invention has the beneficial effects as follows:
The convertible heat heat exchange of heat pipe volume that the present invention relates to is little, and heat exchange efficiency is high.It can be widely used in multiple occasion, uses hot spot energy supply for automobile.The heat exchange amount of this heat exchange of heat pipe can control, and this characteristic enables it to meet under different situations by the energy supply demand in hot spot, has significantly high safety and motility.The application of this invention can make the energy of motor vehicle fuel be fully used, and energy-saving and emission-reduction have positive meaning, and vast user vehicle also has the economic benefit of reality.Adopt blind pipe structure, it is to avoid leakage.
Accompanying drawing explanation
The feature of heat exchanger structure shown in Fig. 1 is that only heat pipe moves, uses blind pipe；
The feature of heat exchanger structure shown in Fig. 2 is that only catch box moves, uses blind pipe；
Fig. 3 is the heat exchanger structure that only air chamber moves；
The feature of heat exchanger structure shown in Fig. 4 is that only heat pipe moves, do not use blind pipe；
The feature of heat exchanger structure shown in Fig. 5 is that only catch box moves, do not use blind pipe；
Wherein, 1-air inlet pipe, 2-exhaustor, 3-feed tube, 4-discharging tube, 5-air chamber, 6-catch box, 7-blind pipe, 8-heat pipe, 9-high-temperature seal ring, 10-protect set, 11-heat conduction silicone oil.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention will be further described with embodiment:
Embodiment one:
As it is shown in figure 1, the heat exchange of heat pipe of a kind of convertible heat, including: air chamber 5 and catch box 6；Air chamber 5 be respectively arranged at two ends with air inlet pipe 1 and exhaustor 2, the two ends of catch box 6 be respectively equipped with feed tube 3 and discharging tube 4；Air chamber 5 and catch box 6 are connected by heat pipe 8, and it is indoor that the evaporator section of heat pipe 8 inserts gas 5, and the condensation segment of heat pipe 8 inserts in catch box 6；Heat pipe 8, catch box 6 or air chamber 5 control along the direction relative motion of heat pipe 8, to change the length of heat pipe 8 evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
Catch box 6 and heat pipe 8 junction adopt high-temperature seal ring 9 to seal；Heat pipe 8 and air chamber 5 are by protecting set 10 connection；Heat pipe 8 can between catch box 6 and air chamber 5 relative motion.The cold flow side of heat exchanger is catch box 6, and catch box 6 and heat pipe 8 junction adopt blind pipe structure, and blind pipe 7 and catch box 6 weld together, and heat pipe 8 condensation segment inserts in blind pipe 7.It is inoculated with heat conduction silicone oil 11 in gap between heat pipe 8 and blind pipe 7, and seals with high-temperature seal ring 9.
Embodiment two:
As in figure 2 it is shown, the heat exchange of heat pipe of a kind of convertible heat, including: air chamber 5 and catch box 6；Air chamber 5 be respectively arranged at two ends with air inlet pipe 1 and exhaustor 2, the two ends of catch box 6 be respectively equipped with feed tube 3 and discharging tube 4；Air chamber 5 and catch box 6 are connected by heat pipe 8, and it is indoor that the evaporator section of heat pipe 8 inserts gas 5, and the condensation segment of heat pipe 8 inserts in catch box 6；Heat pipe 8, catch box 6 or air chamber control along the direction relative motion of heat pipe 8, to change the length of heat pipe 8 evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
Catch box 6 and heat pipe 8 junction adopt high-temperature seal ring 9 to seal；Catch box 6 can do relative motion along heat pipe 8 direction.The cold flow side of heat exchanger is catch box 6, and catch box 6 and heat pipe 8 junction adopt blind pipe structure, and blind pipe 7 and catch box 6 weld together, and heat pipe 8 condensation segment inserts in blind pipe 7, and heat pipe 8 and air chamber 5 weld together.It is inoculated with heat conduction silicone oil 11 in gap between heat pipe 8 and blind pipe 7, and seals with high-temperature seal ring 9.
Embodiment three:
As it is shown on figure 3, the heat exchange of heat pipe of a kind of convertible heat, including: air chamber 5 and catch box 6；Air chamber 5 be respectively arranged at two ends with air inlet pipe 1 and exhaustor 2, the two ends of catch box 6 be respectively equipped with feed tube 3 and discharging tube 4；Air chamber 5 and catch box 6 are connected by heat pipe 8, and it is indoor that the evaporator section of heat pipe 8 inserts gas 5, and the condensation segment of heat pipe 8 inserts in catch box 6；Heat pipe 8, catch box 6 or air chamber control along the direction relative motion of heat pipe 8, to change the length of heat pipe 8 evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
Heat pipe 8 and air chamber 5 are by protecting set 10 connection；Air chamber 5 can do relative motion along heat pipe 8 direction.
Embodiment four:
As shown in Figure 4, the heat exchange of heat pipe of a kind of convertible heat, including: air chamber 5 and catch box 6；Air chamber 5 be respectively arranged at two ends with air inlet pipe 1 and exhaustor 2, the two ends of catch box 6 be respectively equipped with feed tube 3 and discharging tube 4；Air chamber 5 and catch box 6 are connected by heat pipe 8, and it is indoor that the evaporator section of heat pipe 8 inserts gas 5, and the condensation segment of heat pipe 8 inserts in catch box 6；Heat pipe 8, catch box 6 or air chamber control along the direction relative motion of heat pipe 8, to change the length of heat pipe 8 evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
Catch box 6 and heat pipe 8 junction adopt high-temperature seal ring 9 to seal；Heat pipe 8 and air chamber 5 are by protecting set 10 connection；Heat pipe 8 can between catch box 6 and air chamber 5 relative motion.
Embodiment five:
As it is shown in figure 5, the heat exchange of heat pipe of a kind of convertible heat, including: air chamber 5 and catch box 6；Air chamber 5 be respectively arranged at two ends with air inlet pipe 1 and exhaustor 2, the two ends of catch box 6 be respectively equipped with feed tube 3 and discharging tube 4；Air chamber 5 and catch box 6 are connected by heat pipe 8, and it is indoor that the evaporator section of heat pipe 8 inserts gas 5, and the condensation segment of heat pipe 8 inserts in catch box 6；Heat pipe 8, catch box 6 or air chamber control along the direction relative motion of heat pipe 8, to change the length of heat pipe 8 evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
Catch box 6 and heat pipe 8 junction adopt high-temperature seal ring 9 to seal；Catch box 6 can do relative motion along heat pipe 8 direction.
A kind of method of work of the heat exchange of heat pipe of convertible heat, including:
Vehicle exhaust temperature when gas extraction system arrives air chamber 5 is 300-600 DEG C, still contains a large amount of heat energy.At this temperature, heat pipe 8 absorbs the heat of tail gas in the working medium of evaporating section and vaporizes, and at the flows by action of steam pressure to condensation segment.When having blind pipe structure, the condensation segment of heat pipe 8 is arranged in blind pipe 7, working substance steam meets cold and liquidation exothermic reaction, transfer heat to heat conduction silicone oil 11, and then heat is passed to heating agent through blind pipe 7, make heat medium temperature raise, during structure without blind pipe, the condensation segment of heat pipe 8 is arranged in catch box 6, and heat is directly passed to heating agent, makes heat medium temperature raise.Working medium is back to evaporator section under the capillary force effect of heat pipe 8 wick and participates in once thermal cycle.Heating agent after temperature rising is discharged from discharging tube 4, reduces to temperature after ejector type refrigerating machine generator heat supply, then is flowed into catch box 6 by feed tube 3, thus circulating the heat receiving tail gas.
When winter need not freeze or refrigeration mechanism refrigeration duty is little, the generator of ejector type refrigerating machine need not absorb too many heat from thermal medium just can keep normal operating conditions, and therefore exhaust gas heat retracting device avoids the need for too big heat exchange amount.In order to ensure the safety of system, being unlikely to make the interior of system to continue to increase, the heat exchange efficiency of heat exchanger should lower.In this case system can be given and be regulated device one control signal of transmission, makes heat pipe 8 move to the direction of catch box 6, and the endotherm area of such heat pipe 8 reduces, and heat exchange amount will reduce.
When summer vehicle interior temperature high and when electromotor just starts, it is necessary to vehicle interior temperature reduces as early as possible, and ejector type refrigerating machine workload is big, and the heat that generator needs is many, this heat exchange efficiency being accomplished by improving exhaust gas heat retracting device.Under analogue, system can be given and be regulated device one control signal of transmission, makes heat pipe 8 move to the direction of air chamber 5, and the endotherm area of such heat pipe increases, and heat exchange efficiency will improve.
The specific embodiment of the present invention is described in conjunction with accompanying drawing although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. a heat exchange of heat pipe for convertible heat, is characterized in that, including: air chamber and catch box；
Described air chamber be respectively arranged at two ends with air inlet pipe and exhaustor, the two ends of described catch box be respectively equipped with feed tube and discharging tube；
Described air chamber and catch box are connected by heat pipe, and the evaporator section of described heat pipe inserts in air chamber, and the condensation segment of heat pipe inserts in catch box；
Heat pipe, catch box or air chamber control along the direction relative motion of heat pipe, to change the length of heat pipe evaporator section and condensation segment by regulating device, change heat flow density with this, it is achieved the control of exchange heat.
2. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 1, is characterized in that, in described air inlet pipe and exhaustor the flow direction of air-flow and feed tube and discharge opeing liquid in pipe flow in opposite direction.
3. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 1, is characterized in that, described catch box and heat pipe junction adopt high-temperature seal ring to seal；Described catch box can do relative motion along heat pipe direction.
4. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 3, it is characterized in that, the cold flow side of described heat exchanger is catch box, described catch box adopts blind pipe structure with heat pipe junction, blind pipe and catch box weld together, heat pipe condenser section inserts in blind pipe, and described heat pipe and air chamber weld together.
5. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 1, is characterized in that, described heat pipe and air chamber are by protecting set to connect；Described air chamber can do relative motion along heat pipe direction.
6. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 1, is characterized in that, described catch box and heat pipe junction adopt high-temperature seal ring to seal；Described heat pipe and air chamber are by protecting set to connect；Described heat pipe can between catch box and air chamber relative motion.
7. the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 6, is characterized in that, the cold flow side of described heat exchanger is catch box, and catch box and heat pipe junction adopt blind pipe structure, and blind pipe and catch box weld together, and heat pipe condenser section inserts in blind pipe.
8. the heat exchange of heat pipe of a kind of convertible heat as described in claim 4 or 7, is characterized in that, is inoculated with heat conduction silicone oil, and seals with high-temperature seal ring in the gap between described heat pipe and blind pipe.
9. a method of work for the heat exchange of heat pipe of convertible heat as claimed in claim 1, is characterized in that, including:
High temperature automotive tail gas is arrived air chamber through gas extraction system by air inlet pipe, and working medium in heat pipe evaporator section absorbs the heat of tail gas and vaporizes, and at the flows by action of steam pressure to condensation segment, thus heat is taken to condensation segment；
The working substance steam at condensation segment place meets cold liquidation exothermic reaction, and transfers heat to heating agent, makes heat medium temperature raise, and then completes the removal process of using waste heat from tail gas；
Working medium is back to evaporator section under the capillary force effect of heat pipe wicks and participates in once thermal cycle；
Heating agent after temperature rising is discharged from discharging tube, reduces with by hot spot temperature after heat transmits, then is flowed into catch box by feed tube, thus circulating the heat receiving tail gas.
10. the method for work of the heat exchange of heat pipe of a kind of convertible heat as claimed in claim 9, is characterized in that,
Need not freeze or refrigeration mechanism refrigeration duty hour, too many heat need not be absorbed from thermal medium with hot spot and just can keep normal operating conditions, the heat exchange amount of heat exchanger should be reduced, handle adjustment device control heat pipe, catch box or air chamber to do relative motion along heat pipe direction, make the evaporator section of heat pipe reduce with the contact area of air chamber；
When refrigeration machine workload is big, the heat needed with hot spot is many, it should increase the heat exchange amount of heat exchanger, handles adjustment device control heat pipe, catch box or air chamber and does relative motion along heat pipe direction, makes the evaporator section of heat pipe increase with the contact area of air chamber.
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| CN201510057921.6A CN104634143B (en) | 2015-02-04 | 2015-02-04 | The heat exchange of heat pipe of a kind of convertible heat and method of work |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106139867A (en) * | 2016-08-26 | 2016-11-23 | 安徽盛运重工机械有限责任公司 | A kind of corrosivity exhaust gas processing device and method |
| CN106237842A (en) * | 2016-08-26 | 2016-12-21 | 安徽盛运重工机械有限责任公司 | A kind of organic tail gas waste heat recovery plant and method |
| CN106594778A (en) * | 2016-12-12 | 2017-04-26 | 墨宝股份有限公司 | Thermal power plant ultralow emission MGGH energy saving and environmental protecting equipment and method |
| CN109269330A (en) * | 2018-10-30 | 2019-01-25 | 江苏龙净节能科技有限公司 | A kind of three-stage heat pipe rotational flow heat exchanger |
| CN110147128A (en) * | 2019-06-11 | 2019-08-20 | 广东环葆嘉节能科技有限公司 | A kind of temprature control method and device |
| CN110102144A (en) * | 2019-06-11 | 2019-08-09 | 广东环葆嘉节能科技有限公司 | A kind of VOCs treatment integrated system |
| CN110274492A (en) * | 2019-07-19 | 2019-09-24 | 广东一也节能科技有限公司 | A kind of efficient industrial tail gas waste-heat recovery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303087Y (en) * | 1997-07-29 | 1999-01-06 | 杨振峰 | Device for recovering waste heat from exhaust of internal combustion engine and used as air heating therefrom |
| CN2506775Y (en) * | 2001-10-26 | 2002-08-21 | 蔡江平 | Car tail gas heat-pipe type water boiling device |
| CN2611609Y (en) * | 2003-03-10 | 2004-04-14 | 付锡延 | Waste gas thermotube heat exchanger for vehicle and ship |
| CN2710945Y (en) * | 2004-06-25 | 2005-07-20 | 郗志强 | Multi-purpose machine for utilizing exhaust gas from coach |
| JP2007046469A (en) * | 2005-08-05 | 2007-02-22 | Denso Corp | Exhaust heat recovery device |
| CN201203373Y (en) * | 2008-04-16 | 2009-03-04 | 崔龙 | Automobile tail gas heat-energy recovering apparatus |
| JP2014185793A (en) * | 2013-03-22 | 2014-10-02 | Hitachi Metals Ltd | Heat pipe and composite material for heat pipe |
| CN204612554U (en) * | 2015-02-04 | 2015-09-02 | 山东大学 | A kind of heat exchange of heat pipe of convertible heat |
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Effective date of registration: 20221221 Address after: 323000 Room 305, Plant 2, No. 8, Chuangyuan Road, Huzhen Town, Jinyun County, Lishui City, Zhejiang Province Patentee after: Zhejiang Hydrogen Yang Battery Co.,Ltd. Address before: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee before: SHANDONG University |
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