CN207064047U - Engine exhaust heat Multi-class propagation TRT - Google Patents

Abstract

A kind of engine exhaust heat Multi-class propagation TRT of technical field of internal combustion engines, including recuperation of heat chamber, thermoelectric converter, jet pipe, fluid reservoir, feed tube, circulating pump, steam pipe, recovery tube, screw expansion power generator, voltage-stablizer, controller, electrical storage device, wire harness, first recuperation of heat chamber is arranged in the outside of turbine and its front exhaust pipe, thermoelectric converter is arranged in the outside of catalysis bag, jet pipe is arranged in the outside of thermoelectric converter, second recuperation of heat chamber is arranged in catalysis bag, the outside of blast pipe between muffler, the working media of first screw expansion power generator is vapor, the working media of second screw expansion power generator is organic working medium.In the utility model, exhaust heat can be with classified utilization.The utility model is designed reasonably, it is simple in construction, suitable for the optimization design of waste heat recovery generating system.

Description

Engine exhaust heat Multi-class propagation TRT

Technical field

The utility model relates to a kind of thermoelectric conversion device of technical field of internal combustion engines, particularly one kind to use simultaneously The engine exhaust heat Multi-class propagation TRT of water vapour and organic working medium as power generation medium.

Background technology

Waste heat is the energy that is not utilized in using energy source equipment under the conditions of certain economic technology, that is, more Remaining, the discarded energy.It is included more than high-temp waste gas waste heat, cooling medium waste heat, waste vapour waste water residual heat, high-temperature product and clinker Heat, chemical reaction waste heat, combustible exhaust gas waste liquid and seven kinds of waste material waste heat and high-pressure fluid overbottom pressure etc..According to investigation, every profession and trade Waste heat total resources account for the 17%-67% of its fuel consumption total amount, the residual heat resources of recoverable are about waste heat total resources 60%.Heat recovery is to improve economy, a fuel-saving important channel.Cogeneration, it is to utilize to produce Unnecessary heat energy is converted to the technology of electric energy in journey.Waste heat for generating mainly has high-temperature flue gas waste heat, the waste heat that chemically reacts, Waste gas, spent liquor recovery, low temperature exhaust heat, less than 200 DEG C etc..The recycling approach of waste heat is a lot, it is, in general, that more than comprehensive utilization Heat is best.

In existing technology, engine exhaust carries a large amount of waste heats, and this part of waste heat majority is all wasted.It is existing Engine exhaust heat is generated electricity, and also only single-stage power generation, also substantial amounts of exhaust heat are not utilized.

The content of the invention

The utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of engine exhaust heat Multi-class propagation generates electricity Device, can be according to the temperature height classified utilization exhaust heat of waste heat.

The utility model is achieved through the following technical solutions, and the utility model includes engine, blast pipe, whirlpool Wheel, catalysis bag, muffler, the first recuperation of heat chamber, thermoelectric converter, jet pipe, the second recuperation of heat chamber, the first fluid reservoir, first enter Liquid pipe, first circulation pump, the first steam pipe, the first recovery tube, the first screw expansion power generator, the first voltage-stablizer, the second storage It is flow container, the second feed tube, second circulation pump, the second steam pipe, the second recovery tube, the second screw expansion power generator, second steady Depressor, controller, electrical storage device, wire harness, the air inlet of blast pipe are connected with the exhaust duct of engine, turbine, catalysis bag, noise reduction Device is sequentially arranged on blast pipe, and the first recuperation of heat chamber is arranged in the outside of turbine and its front exhaust pipe, thermoelectric converter cloth Put and be arranged in the outside of thermoelectric converter in the outside of catalysis bag, jet pipe, the second recuperation of heat chamber be arranged in catalysis bag, muffler it Between blast pipe outside, the bottom of the both ends of the first feed tube respectively with the first recuperation of heat chamber, the first fluid reservoir is connected, first Circulating pump is arranged on the first feed tube, the both ends of the first steam pipe respectively with the first recuperation of heat top of chamber gas outlet, the first spiral shell Rod-type expansion power generator air inlet is connected, the both ends of the first recovery tube respectively with the first screw expansion power generator gas outlet, Air inlet is connected at the top of first fluid reservoir, and supply line and the first voltage-stablizer of the first screw expansion power generator are connected to one Rise, the bottom of the both ends of the second feed tube respectively with the second recuperation of heat chamber, the first fluid reservoir is connected, and second circulation pump is arranged in On second feed tube, the both ends of the second steam pipe respectively with the second recuperation of heat top of chamber gas outlet, the second screw expansion power generation Machine air inlet is connected, the both ends of the second recovery tube respectively with the second screw expansion power generator gas outlet, the second liquid storage tank deck Portion's air inlet is connected, and supply line and the second voltage-stablizer of the second screw expansion power generator link together, heat to electricity conversion It is connected between device, first circulation pump, the first voltage-stablizer, second circulation pump, the second voltage-stablizer, controller, electrical storage device by wire harness Connect；The working media of first screw expansion power generator is water vapour, and the working media of the second screw expansion power generator is to have Machine working medium.

Further, in the present invention, jet pipe is shaped telescopic tube, jet pipe, the first recuperation of heat chamber, the second recuperation of heat chamber, first Fluid reservoir, the second fluid reservoir internal cavity cross section are circle；Organic working medium used in second screw expansion power generator is One kind in chloroethanes, propane, normal butane, iso-butane.

Compared with prior art, the utility model have the advantages that for：The utility model is designed reasonably, structure letter It is single, it is possible to achieve the ladder of exhaust heat utilizes.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of A-A sections in Fig. 1；

Wherein：1st, engine, 2, blast pipe, 3, turbine, 4, catalysis bag, 5, muffler, the 6, first recuperation of heat chamber, 7, thermoelectricity Converter, 8, jet pipe, the 9, second recuperation of heat chamber, the 10, first fluid reservoir, the 11, first feed tube, 12, first circulation pump, 13, One steam pipe, the 14, first recovery tube, the 15, first screw expansion power generator, the 16, first voltage-stablizer, the 17, second fluid reservoir, 18th, the second feed tube, 19, second circulation pump, the 20, second steam pipe, the 21, second recovery tube, the 22, second screw expansion power generation Machine, the 23, second voltage-stablizer, 24, controller, 25, electrical storage device, 26, wire harness.

Embodiment

Embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings, the present embodiment is with the utility model technical side Premised on case, detailed embodiment and specific operating process are given, but the scope of protection of the utility model is not limited to down The embodiment stated.

Embodiment

As depicted in figs. 1 and 2, the utility model includes engine 1, blast pipe 2, turbine 3, catalysis bag 4, muffler 5, the One recuperation of heat chamber 6, thermoelectric converter 7, jet pipe 8, the second recuperation of heat chamber 9, the first fluid reservoir 10, the first feed tube 11, first follow Ring pump 12, the first steam pipe 13, the first recovery tube 14, the first screw expansion power generator 15, the first voltage-stablizer 16, the second liquid storage Tank 17, the second feed tube 18, second circulation pump 19, the second steam pipe 20, the second recovery tube 21, the second screw expansion power generator 22nd, the second voltage-stablizer 23, controller 24, electrical storage device 25, wire harness 26, the air inlet of blast pipe 2 are connected with the exhaust duct of engine 1 Connect, turbine 3, catalysis bag 4, muffler 5 are sequentially arranged on blast pipe 2, and the first recuperation of heat chamber 6 is arranged in turbine 3 and its front portion The outside of blast pipe 2, thermoelectric converter 7 are arranged in the outside of catalysis bag 4, and jet pipe 8 is arranged in the outside of thermoelectric converter 7, the Two recuperation of heat chambers 9 be arranged in catalysis bag 4, between muffler 5 blast pipe 2 outside, the both ends of the first feed tube 11 are respectively with the One recuperation of heat chamber 6, the bottom of the first fluid reservoir 10 are connected, and first circulation pump 12 is arranged on the first feed tube 11, and first steams The both ends of steam pipe 13 are connected with the top gas outlet of the first recuperation of heat chamber 6, the air inlet of the first screw expansion power generator 15 respectively, The both ends of first recovery tube 14 respectively with the gas outlet of the first screw expansion power generator 15, the top air inlet phase of the first fluid reservoir 10 Connection, the supply line of the first screw expansion power generator 15 link together with the first voltage-stablizer 16, the second feed tube 18 Bottom of the both ends respectively with the second recuperation of heat chamber 9, the first fluid reservoir 17 is connected, and second circulation pump 19 is arranged in the second feed tube On 18, the both ends of the second steam pipe 20 are entered with the top gas outlet of the second recuperation of heat chamber 9, the second screw expansion power generator 22 respectively Gas port is connected, the both ends of the second recovery tube 21 respectively with the gas outlet of the second screw expansion power generator 22, the second fluid reservoir 17 Top air inlet is connected, and the supply line of the second screw expansion power generator 22 links together with the second voltage-stablizer 23, heat Electric transducer 7, first circulation pump 12, the first voltage-stablizer 16, second circulation pump 19, the second voltage-stablizer 23, controller 24, electrical storage device It is connected between 25 by wire harness 26；The working media of first screw expansion power generator 15 is water vapour, and the second screw is swollen The working media of swollen generator 22 is normal butane；Jet pipe 8 is shaped telescopic tube, jet pipe 8, the first recuperation of heat chamber 6, the second recuperation of heat chamber 9, First fluid reservoir 10, the internal cavity cross section of the second fluid reservoir 17 are circle.

In implementation process of the present utility model, the latent heat of vaporization of vapor is larger, and the latent heat of vaporization of normal butane is smaller. The intrinsic motivation delivery temperature of blast pipe 2 gradually reduces, can together with the first recuperation of heat chamber 6 and the first screw expansion power generator 15 To realize that the first order of engine exhaust heat utilizes；Thermoelectric converter 7 is drunk jet pipe 8 and can realized more than engine exhaust together The second level of heat utilizes；Engine exhaust can be realized together with second recuperation of heat chamber 9 and the second screw expansion power generator 22 The third level of waste heat utilizes.

In the utility model, in the disposed outside jet pipe 8 of thermoelectric converter 7, when there is air-flow to be flowed through from jet pipe 8, The hull-skin temperature of thermoelectric converter 7 can be made lower, so as to improve conversion efficiency of thermoelectric.

Claims (2)

1. a kind of engine exhaust heat Multi-class propagation TRT, including engine (1), blast pipe (2), turbine (3), catalysis Wrap (4), muffler (5), the air inlet of blast pipe (2) is connected with the exhaust duct of engine (1), turbine (3), catalysis wrap (4), Muffler (5) is sequentially arranged on blast pipe (2), it is characterised in that also including the first recuperation of heat chamber (6), thermoelectric converter (7), jet pipe (8), the second recuperation of heat chamber (9), the first fluid reservoir (10), the first feed tube (11), first circulation pump (12), first Steam pipe (13), the first recovery tube (14), the first screw expansion power generator (15), the first voltage-stablizer (16), the second fluid reservoir (17), the second feed tube (18), second circulation pump (19), the second steam pipe (20), the second recovery tube (21), the second screw are swollen Swollen generator (22), the second voltage-stablizer (23), controller (24), electrical storage device (25), wire harness (26), first recuperation of heat chamber (6) cloth The outside in turbine (3) and its front exhaust pipe (2) is put, thermoelectric converter (7) is arranged in the outside of catalysis bag (4), jet pipe (8) The outside of thermoelectric converter (7) is arranged in, the second recuperation of heat chamber (9) is arranged in blast pipe between catalysis bag (4), muffler (5) (2) outside, the bottom of the both ends of the first feed tube (11) respectively with the first recuperation of heat chamber (6), the first fluid reservoir (10) are connected Connect, first circulation pump (12) is arranged on the first feed tube (11), the both ends of the first steam pipe (13) respectively with the first recuperation of heat Gas outlet, first screw expansion power generator (15) air inlet are connected at the top of chamber (6), the both ends difference of the first recovery tube (14) It is connected with air inlet at the top of first screw expansion power generator (15) gas outlet, the first fluid reservoir (10), the first screw is swollen The supply line of swollen generator (15) links together with the first voltage-stablizer (16), and the both ends of the second feed tube (18) are respectively with Two recuperation of heat chambers (9), the bottom of the first fluid reservoir (17) are connected, and second circulation pump (19) is arranged in the second feed tube (18) On, the both ends of the second steam pipe (20) respectively with gas outlet, the second screw expansion power generator at the top of the second recuperation of heat chamber (9) (22) air inlet is connected, the both ends of the second recovery tube (21) respectively with second screw expansion power generator (22) gas outlet, Air inlet is connected at the top of two fluid reservoirs (17), supply line and the second voltage-stablizer of the second screw expansion power generator (22) (23) link together, thermoelectric converter (7), first circulation pump (12), the first voltage-stablizer (16), second circulation pump (19), It is connected between two voltage-stablizers (23), controller (24), electrical storage device (25) by wire harness (26)；First screw expansion power generator (15) working media is water vapour, and the working media of the second screw expansion power generator (22) is organic working medium.

2. engine exhaust heat Multi-class propagation TRT according to claim 1, it is characterised in that jet pipe (8) is contracting Pipe is put, jet pipe (8), the first recuperation of heat chamber (6), the second recuperation of heat chamber (9), the first fluid reservoir (10), the second fluid reservoir (17) are interior Portion cavity cross section is circle；Organic working medium used in second screw expansion power generator (22) is chloroethanes, propane, positive fourth One kind in alkane, iso-butane.