CN103122806A - High-temperature tail gas waste heat hydraulic energy recovery system based on stirling engine - Google Patents
High-temperature tail gas waste heat hydraulic energy recovery system based on stirling engine Download PDFInfo
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- CN103122806A CN103122806A CN2012105511451A CN201210551145A CN103122806A CN 103122806 A CN103122806 A CN 103122806A CN 2012105511451 A CN2012105511451 A CN 2012105511451A CN 201210551145 A CN201210551145 A CN 201210551145A CN 103122806 A CN103122806 A CN 103122806A
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- stirling engine
- hydraulic pump
- thermal accumulator
- system based
- tail gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a high-temperature tail gas waste heat hydraulic energy recovery system based on a stirling engine. The recovery system comprises an original engine, a hydraulic pump A, a hydraulic pump B, the stirling engine and a control system. The stirling engine is connected with an exhaust pipe of the original engine, the stirling engine is connected with the hydraulic pump B, a hydraulic oil outlet of the hydraulic pump B is connected with an oil outlet of the hydraulic pump A in parallel, an oil inlet of the hydraulic pump B is connected with an oil inlet of the hydraulic pump A in parallel, the hydraulic pump A is connected with the original engine, and the control system is respectively connected with the stirling engine and the hydraulic pump B. A heat accumulator (2) of the stirling engine is placed in the whole stirling engine, a cooler (3) is coated on an outer shell of the whole stirling engine, a heat regenerator (1) is placed at one end of the heat accumulator (2), a displacer piston (9) is communicated with the other end of the heat accumulator (2), and a controller (5) is connected with an electromotor (10). The high-temperature tail gas waste heat hydraulic energy recovery system based on the stirling engine has the advantages of being simple in structure, low in cost, high in heat efficiency and the like.
Description
Technical field
The present invention relates to a kind of Waste Heat Recovery System (WHRS), particularly a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine.
Background technique
Along with the development of hydraulic transmission technology, various take internal-combustion engine as power and adopt hydraulicdriven power compound mode to be applied in more and more widely the fields such as engineering machinery, fork truck, for we provide convenience.But how the rising gradually of minimizing, oil price gradually along with petroleum resources reduces the problem that this type of mechanical energy consumption becomes people's growing interest.Up to now, also without comparison perfect method address this problem.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, cost is low, easy for installation, a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine that can improve the whole engine system thermal efficiency.
The objective of the invention is to be achieved through the following technical solutions: a kind of high-temperature tail gas hydraulic energy reclaiming system based on Stirling engine, it comprises former motor, oil hydraulic pump A, oil hydraulic pump B, Stirling engine and control system, be connected with Stirling engine on former waste pipe, Stirling engine is connected with oil hydraulic pump B, the hydraulic pressure oil outlet of oil hydraulic pump B is in parallel with the oil outlet of oil hydraulic pump A, oiler is in parallel with the oiler of oil hydraulic pump A, oil hydraulic pump A is connected with former motor, and control system is connected with oil hydraulic pump B with Stirling engine respectively.
Stirling engine of the present invention comprises regenerator, thermal accumulator, cooler, controller and gas distribution piston, thermal accumulator is positioned at the inside of whole Stirling engine, cooler is wrapped in the shell of whole Stirling engine, regenerator is positioned at an end of thermal accumulator, be connected with thermal accumulator, gas distribution piston is communicated in the other end of thermal accumulator, and controller is connected with the motor that drives gas distribution piston.
Fill full heat-storing sphere in thermal accumulator of the present invention, be provided with temperature transducer in heat-storing sphere, temperature transducer is connected with controller.
Full thermoinsulation material is filled in the periphery of thermal accumulator of the present invention, and thermoinsulation material plays insulation effect to thermal accumulator.
Be respectively arranged with a gas valve on thermal accumulator of the present invention and passage that regenerator, gas distribution piston are connected, gas valve is made by high temperature resistant, thermoinsulation material, is connected with controller.
Outlet pipe of the present invention is connected with the thermal accumulator of Stirling engine as the heating pipe of thermal accumulator, the heating pipe entrance is arranged at a side of thermal accumulator, heating pipe is divided at least one pipeline after entering thermal accumulator, the heating pipe outlet is arranged at the opposite side of thermal accumulator, and the relative position of heating pipe entrance and heating pipe outlet can change.
The invention has the beneficial effects as follows:
(1) simple in structure, with low cost;
(2) easy for installation, need not original system is done large change, only need this system is directly connected and can use;
(3) can effectively improve the thermal efficiency of whole engine system: with the Efficiency Calculation of internal-combustion engine 35%, wherein about 30% is the cooling thermal loss of radiator, about 35% is the exhaust gas heat loss, near outlet pipe, temperature can reach about 1000 degree, according to Stirling engine 30% Efficiency Calculation, be in recyclable tail gas total energy 30%, the thermal efficiency of whole engine system can be brought up to 46.5%, its energy-saving effect highly significant from 35%;
(4) in the situation that conditions permit, but plural parallel stage use, further improve energy recovery efficient.
Description of drawings
Fig. 1 is the block diagram of system of the present invention;
Fig. 2 is the structural representation of Stirling engine;
Fig. 3 is the structural representation of thermal accumulator;
In figure, 1-regenerator, 2-thermal accumulator, 3-cooler, 4-oil hydraulic pump B, 5-controller, 6-heat-storing sphere, 7-temperature transducer, 8-gas valve, 9-gas distribution piston, 10-motor, 11-heating pipe entrance, the outlet of 12-heating pipe.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of high-temperature tail gas hydraulic energy reclaiming system based on Stirling engine, it comprises former motor, oil hydraulic pump A, oil hydraulic pump B, Stirling engine and control system, be connected with Stirling engine on former waste pipe, Stirling engine is connected with oil hydraulic pump B, the hydraulic pressure oil outlet of oil hydraulic pump B is in parallel with the oil outlet of oil hydraulic pump A, oiler is in parallel with the oiler of oil hydraulic pump A, oil hydraulic pump A is connected with former motor, and control system is connected with oil hydraulic pump B with Stirling engine respectively.
As shown in Figure 2, Stirling engine of the present invention comprises regenerator 1, thermal accumulator 2, cooler 3, controller 5 and gas distribution piston 9, thermal accumulator 2 is positioned at the inside of whole Stirling engine, cooler 3 is wrapped in the shell of whole Stirling engine, regenerator 1 is positioned at an end of thermal accumulator 2, be connected with thermal accumulator 2, gas distribution piston 2 is communicated in the other end of thermal accumulator 2, and controller 5 is connected with the motor 10 that drives gas distribution piston 9.
The full heat-storing sphere 6 of the interior filling of thermal accumulator 2 of the present invention is provided with temperature transducer 7 in heat-storing sphere 6, temperature transducer 7 is connected with controller 5.
Full thermoinsulation material is filled in the periphery of thermal accumulator 2 of the present invention, and thermoinsulation material is to 2 insulation effects of thermal accumulator.
Be respectively arranged with a gas valve 8 on thermal accumulator 2 of the present invention and passage that regenerator 1, gas distribution piston 9 are connected, gas valve 8 is made by high temperature resistant, thermoinsulation material, is connected with controller 5.
As shown in Figure 3, outlet pipe of the present invention is connected with the thermal accumulator 2 of Stirling engine as the heating pipe of thermal accumulator 2, heating pipe entrance 11 is arranged at a side of thermal accumulator 2, heating pipe is divided at least one pipeline after entering thermal accumulator 2, heating pipe outlet 12 is arranged at the opposite side of thermal accumulator 2, and the relative position of heating pipe entrance 11 and heating pipe outlet 12 can change.
The thermal accumulator 2 of Stirling engine of the present invention absorbs the high-temperature tail gas that discharges in the original equipment outlet pipe efficiently, cause its inner working medium to expand, the working medium acting of expanding drives oil hydraulic pump B pump oil, because oiler and the oil outlet of oil hydraulic pump A are in parallel with oiler and the oil outlet of oil hydraulic pump B respectively, so can reach the purpose of saving the energy; The frequency of okperation of hydraulic transmission Stirling engine is controlled by controller 5, the collection of the parameters by the operation of the 5 pairs of Stirling engines of controller, temperature value as temperature transducer 7 collections, can calculate optimal working medium frequency, and the motion of control gas distribution piston 9, thereby reach the highest energy recovery efficiency.
Application of the present invention is not limited to the recovery of waste heat of automotive exhaust gas, can also utilize at other in various setting take internal-combustion engine as driving source.
Claims (6)
1. high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine, it is characterized in that: it comprises oil hydraulic pump A, oil hydraulic pump B, Stirling engine and control system, be connected with Stirling engine on former waste pipe, Stirling engine is connected with oil hydraulic pump B, the hydraulic pressure oil outlet of oil hydraulic pump B is in parallel with the oil outlet of oil hydraulic pump A, oiler is in parallel with the oiler of oil hydraulic pump A, oil hydraulic pump A is connected with former motor, and control system is connected with oil hydraulic pump B with Stirling engine respectively.
2. a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine according to claim 1, it is characterized in that: described Stirling engine comprises regenerator (1), thermal accumulator (2), cooler (3), controller (5) and gas distribution piston (9), thermal accumulator (2) is positioned at the inside of whole Stirling engine, cooler (3) is wrapped in the shell of whole Stirling engine, regenerator (1) is positioned at an end of thermal accumulator (2), be connected with thermal accumulator (2), gas distribution piston (2) is communicated in the other end of thermal accumulator (2), controller (5) is connected with the motor (10) that drives gas distribution piston (9).
3. a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine according to claim 1 and 2, it is characterized in that: fill full heat-storing sphere (6) in described thermal accumulator (2), be provided with temperature transducer (7) in heat-storing sphere (6), temperature transducer (7) is connected with controller (5).
4. a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine according to claim 1 and 2 is characterized in that: full thermoinsulation material is filled in the periphery of described thermal accumulator (2), and thermoinsulation material plays insulation effect to thermal accumulator (2).
5. a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine according to claim 1 and 2, it is characterized in that: be respectively arranged with a gas valve (8) on described thermal accumulator (2) and passage that regenerator (1), gas distribution piston (9) are connected, gas valve (8) is made by high temperature resistant, thermoinsulation material, is connected with controller (5).
6. a kind of high-temperature tail gas used heat hydraulic energy reclaiming system based on Stirling engine according to claim 1, it is characterized in that: described outlet pipe is connected with the thermal accumulator (2) of Stirling engine as the heating pipe of thermal accumulator (2), heating pipe entrance (11) is arranged at a side of thermal accumulator (2), heating pipe is divided at least one pipeline after entering thermal accumulator (2), heating pipe outlet (12) is arranged at the opposite side of thermal accumulator (2), and the relative position of heating pipe entrance (11) and heating pipe outlet (12) can change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551145.1A CN103122806B (en) | 2012-12-18 | 2012-12-18 | High-temperature tail gas waste heat hydraulic energy recovery system based on stirling engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551145.1A CN103122806B (en) | 2012-12-18 | 2012-12-18 | High-temperature tail gas waste heat hydraulic energy recovery system based on stirling engine |
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| CN103122806A true CN103122806A (en) | 2013-05-29 |
| CN103122806B CN103122806B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210551145.1A Expired - Fee Related CN103122806B (en) | 2012-12-18 | 2012-12-18 | High-temperature tail gas waste heat hydraulic energy recovery system based on stirling engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273780A (en) * | 2018-03-13 | 2019-09-24 | 浙江大学 | Regenerator and stirling cycle system with accumulation of heat shell |
| CN111828168A (en) * | 2020-06-30 | 2020-10-27 | 雷盛春 | Stirling type turbocharger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240373A (en) * | 2002-02-15 | 2003-08-27 | Sharp Corp | Jacket for heat-exchanger, and stirling refrigerating engine |
| CN1748081A (en) * | 2003-05-09 | 2006-03-15 | 本田技研工业株式会社 | Power device equipped with combustion engine and stirling engine |
| JP2006242051A (en) * | 2005-03-02 | 2006-09-14 | Mitsui Eng & Shipbuild Co Ltd | Surplus exhaust energy recovery system for engine |
| DE102006004422A1 (en) * | 2006-01-31 | 2007-08-02 | Robert Bosch Gmbh | Combustion engine especially for a motor vehicle or mobile work unit has Stirling engine to drive hydraulic pump and additional hydraulic pump driven by combustion engine drive train |
| CN101603473A (en) * | 2009-07-16 | 2009-12-16 | 天津大学 | The waste heat recovery plant of utilization Stirling engine |
| CN203175701U (en) * | 2012-12-18 | 2013-09-04 | 成都宇能通能源开发有限公司 | High-temperature tail gas waste heat hydraulic energy recovery system based on Stirling engine |
-
2012
- 2012-12-18 CN CN201210551145.1A patent/CN103122806B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240373A (en) * | 2002-02-15 | 2003-08-27 | Sharp Corp | Jacket for heat-exchanger, and stirling refrigerating engine |
| CN1748081A (en) * | 2003-05-09 | 2006-03-15 | 本田技研工业株式会社 | Power device equipped with combustion engine and stirling engine |
| JP2006242051A (en) * | 2005-03-02 | 2006-09-14 | Mitsui Eng & Shipbuild Co Ltd | Surplus exhaust energy recovery system for engine |
| DE102006004422A1 (en) * | 2006-01-31 | 2007-08-02 | Robert Bosch Gmbh | Combustion engine especially for a motor vehicle or mobile work unit has Stirling engine to drive hydraulic pump and additional hydraulic pump driven by combustion engine drive train |
| CN101603473A (en) * | 2009-07-16 | 2009-12-16 | 天津大学 | The waste heat recovery plant of utilization Stirling engine |
| CN203175701U (en) * | 2012-12-18 | 2013-09-04 | 成都宇能通能源开发有限公司 | High-temperature tail gas waste heat hydraulic energy recovery system based on Stirling engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273780A (en) * | 2018-03-13 | 2019-09-24 | 浙江大学 | Regenerator and stirling cycle system with accumulation of heat shell |
| CN111828168A (en) * | 2020-06-30 | 2020-10-27 | 雷盛春 | Stirling type turbocharger |
| CN111828168B (en) * | 2020-06-30 | 2022-05-10 | 泉州台商投资区工长信息技术有限公司 | Stirling type turbocharger |
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| CN103122806B (en) | 2014-10-15 |
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