CN105604694A - Preheating-type chemical regenerative diesel engine - Google Patents
Preheating-type chemical regenerative diesel engine Download PDFInfo
- Publication number
- CN105604694A CN105604694A CN201610060525.3A CN201610060525A CN105604694A CN 105604694 A CN105604694 A CN 105604694A CN 201610060525 A CN201610060525 A CN 201610060525A CN 105604694 A CN105604694 A CN 105604694A
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- Prior art keywords
- diesel engine
- cylinder
- preheating
- type chemical
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B69/00—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
- F02B69/02—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel
- F02B69/04—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel for gaseous and non-gaseous fuels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/14—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating by using heat from working cylinders or cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a preheating-type chemical regenerative diesel engine, and relates to a diesel engine, and in particular to the preheating-type chemical regenerative diesel engine. By using the preheating-type chemical regenerative diesel engine, the problems that an existing diesel engine is lower in efficiency and higher in oil consumption are solved. An oil outlet of an oil tank of the preheating-type chemical regenerative diesel engine is connected with a supercharge pump through a flow regulating valve; the supercharge pump is connected with an inter cooler; the inter cooler is connected with an air cylinder through an air inlet pipe; a piston is arranged in the air cylinder; a cooling passage is arranged on the outer side wall of the air cylinder; a ceramic thermal insulating layer is mounted on the cooling passage in a sleeving manner; the inter cooler is connected with a diesel oil-tail gas heat exchanger; the air cylinder is connected with an exhaust-driven gas turbine through an exhaust pipe; the exhaust-driven gas turbine is connected with the diesel oil-tail gas heat exchanger; the air cylinder is connected with a switching valve; the switching valve is connected with the air cylinder through a gaseous fuel nozzle and a liquid fuel nozzle; the supercharge pump is connected with the inter cooler. The preheating-type chemical regenerative diesel engine belongs to the field of internal combustion engines.
Description
Technical field
The present invention relates to a kind of diesel engine, be specifically related to a kind of preheating type chemical back heating formula diesel engine, belong to field of internal combustion engine.
Background technology
Internal combustion engine is as the most general power form of current utilization, and the tail gas of its discharge is to cause greenhouse effects and atmosphere pollutionOne of major reason. Wherein, the diesel engine that is widely used in truck, passenger vehicle, boats and ships, tractor and railway locomotive is because of dayIn normal use efficiency compared with low, discharge is not up to standard and be considered as " accomplice " of haze by the public. Meanwhile, the oil growing with each passing day disappearsExpense demand has also increased the International Politics, the military pressure that maintain trade in oil in increasing the weight of China's environmental pressure. Therefore,The task of efficiency, reduction oil consumption and the exhaust emissions of raising diesel engine is extremely urgent.
As everyone knows, the heat of automotive fuel burning is except limited Partial Conversion is useful mechanical energy, and all the other are largeThe heat of part all loses in cooling, friction, transmission and the exhaust of mechanism. For diesel engine, be converted into effective meritHeat only accounts for 30%-40%, and the heat that the medium that is cooled is taken away accounts for 15%-35%. And at present a lot of research is all based on automobileThe UTILIZATION OF VESIDUAL HEAT IN of tail gas, have turbocharging technology, tail gas heating technology, the EGR of comparative maturity utilize technology and tailGas Refrigeration Technique, but because the energy density of tail gas is lower, energy grade is not high, and the capacity usage ratio of above-mentioned technology is alwaysNot high. The UTILIZATION OF VESIDUAL HEAT IN technology of the cooling fluid based on internal combustion engine also has much, comprise the improvement of exhaust-heat absorption formula air-conditioning, fuel,Technology such as thermo-electric generation, mechanical type generating, but because the temperature of cooling fluid is lower, generally all near 90 DEG C, energyGrade is very low, directly utilizes the utilization rate of heat energy not high, yet there is no at present very efficient energy conversion device, therefore overallThe useless thermal utilization effect of the upper waste heat for car combustion engine is all undesirable. Like this, the used heat of cooling fluid and tail gas all directly discharged toEnvironment and wasting, makes further to improve the efficiency of internal combustion engine and faces very large difficulty.
Review scramjet engine, due to the high thermic load of hypersonic propulsion system, therefore need resistant to elevated temperatures potteryWhen based composites, carbon/carbon compound material, also to rely on fuel before burning, to complete the cooling task of parts, formRegeneration cooling system. First cracking in cooling duct of aviation kerosine, and then injection enters combustion chamber, generating portion after crackingThe little molecular product of gaseous state, makes efficiency of combustion have further lifting. Like this, fuel not only does cooling agent but also make propellant, separatesWhen having determined the cooling problem of engine improve efficiency, reduced oil consumption. Based on regeneration cooled scramjet engine,Propose a kind of chemical back heating formula diesel engine, ensured, under the cooling prerequisite of cylinder wall surface, to improve the utilization rate of fuel, and thenReduce oil consumption, realize energy-saving and emission-reduction.
Summary of the invention
The present invention solves the problem that existing diesel efficiency is lower, oil consumption is higher, and then proposes a kind of preheating type chemical back heatingFormula diesel engine.
The present invention addresses the above problem the technical scheme of taking to be: the present invention includes booster pump, flow control valve, diesel oil-Tail gas heat exchanger, exhaust gas turbine, fuel tank, gaseous fuel nozzle, air inlet pipe, charge air cooler, booster, transfer valve, exhaustPipe, liquid fuel nozzles, cylinder, cooling duct, piston and ceramic thermal barrier layer, the oil-out of fuel tank passes through flow control valveBe connected with booster pump, booster pump is connected with charge air cooler, and charge air cooler is connected with cylinder by air inlet pipe, and piston is arranged in cylinder,Cooling duct is arranged on the lateral wall of cylinder, and ceramic thermal barrier layer is sleeved on cooling duct, and charge air cooler and diesel oil-tail gas changeHot device connects, and cylinder is connected with exhaust gas turbine by blast pipe, and exhaust gas turbine is connected with diesel oil-tail gas heat exchanger, cylinder andTransfer valve connects, and transfer valve is connected with cylinder with liquid fuel nozzles by gaseous fuel nozzle, and booster is connected with charge air cooler.
Further, fuel tank is connected with flow control valve by filter.
The invention has the beneficial effects as follows: 1, the present invention utilizes the mode of chemical back heating to reduce engine radiating, has improved bavinThe efficiency of oil machine; 2, the present invention utilizes charge air cooler and diesel oil-tail gas heat exchanger to carry out preheating to diesel oil, can make full use of lowGrade waste heat, the capacity usage ratio of raising system; 3, large molecule gas oil pyrolysis is become the little molecule gaseous products of part by the present invention,Can improve efficiency of combustion, reduce the content of solid particulate matter in tail gas; 4, the present invention utilizes diesel oil as cooling fluid, separatesThe extremely frigid zones cooling fluid of having determined freezing problem; 5, the ceramic thermal barrier layer of outside, cooling duct of the present invention can reduce high temperature bavinThe heat radiation of Oil-splited gas, further improves capacity usage ratio.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Detailed description of the invention
Detailed description of the invention one: in conjunction with Fig. 1, present embodiment is described, a kind of preheating type chemical back heating formula described in present embodimentDiesel engine comprises booster pump 1, flow control valve 2, diesel oil-tail gas heat exchanger 4, exhaust gas turbine 5, fuel tank 6, gaseous state combustionMaterial nozzle 7, air inlet pipe 8, charge air cooler 9, booster 10, transfer valve 11, blast pipe 12, liquid fuel nozzles 13,Cylinder 14, cooling duct 15, piston 16 and ceramic thermal barrier layer 17, the oil-out of fuel tank 6 by flow control valve 2 withBooster pump 1 connects, and booster pump 1 is connected with charge air cooler 9, and charge air cooler 9 is connected with cylinder 14 by air inlet pipe 8, piston16 are arranged in cylinder 14, and cooling duct 15 is arranged on the lateral wall of cylinder 14, and ceramic thermal barrier layer 17 is sleeved on coldBut on passage 15, charge air cooler 9 is connected with diesel oil-tail gas heat exchanger 4, and cylinder 14 is by blast pipe 12 and exhaust gas turbine 5Connect, exhaust gas turbine 5 is connected with diesel oil-tail gas heat exchanger 4, and cylinder 14 is connected with transfer valve 11, and transfer valve 11 passes throughGaseous fuel nozzle 7 is connected with cylinder 14 with liquid fuel nozzles 13, and booster 10 is connected with charge air cooler 9. Charge air cooler9 for the high temperature air after 10 superchargings of cooling of charge device, the diesel oil under the cold conditions of preheating simultaneously; Diesel oil-tail gas heat exchanger 4 profitsDiesel oil is carried out to further preheating with the waste heat of tail gas; Transfer valve 11 is for the switching between cold conditions fuel and hot fuel.The diesel oil using in present embodiment improves cleavage rate by adding catalyst, and then it is cooling to realize one to one closed loop, simultaneouslyGreatly reduce the possibility that coking carbon occurs.
In present embodiment, diesel oil no longer goes burning as just fuel, but serves as the cooling agent of cylinder simultaneously, completeAfter one-tenth chemical back heating process, spraying into cylinder 14 burns again. First diesel oil pass through using diesel oil as cold after booster pump 1 superchargingBut the charge air cooler 9 of working medium and diesel oil-tail gas heat exchanger 4 are carried out preheating, then enter in cylinder wall surface cooling duct 15 and are addedThere is chemical cracking to higher temperature in heat, the little molecule gaseous products of high pressure after cracking and uncracked high temperature diesel oil steamVapour enters cylinder 14 and burns and promote piston 16 and do work, and heats the diesel oil in cylinder 14 wall cooling passages 15 simultaneously. ThisSample, has reduced engine radiating loss and waste-heat rejection by energy re-injection. In addition, the little molecule gaseous products of generation hasBe beneficial to raising efficiency of combustion, reduce the discharge of solid particulate matter in diesel engine vent gas.
Detailed description of the invention two: in conjunction with Fig. 1, present embodiment is described, a kind of preheating type chemical back heating formula described in present embodimentDiesel engine also comprises filter 3, and fuel tank 6 is connected with flow control valve 2 by filter 3. Other composition and annexationIdentical with detailed description of the invention one.
Operation principle
When engine operation, diesel oil is flowed out through filter 3 by fuel tank 6, and after filter 3 filters diesel oil, warp is by flowingAfter the adjusting of adjustable valve 2, carry out supercharging by booster pump 1, first high pressure cold conditions diesel oil pass into after the interior cooling of charge of charge air cooler 9High temperature air, then enter diesel oil-tail gas heat exchanger 4 and further absorb the waste heat of tail gas; The diesel oil that completes preheating flows intoIn cooling duct 15, absorbing burns spills into the heat generation chemical cracking of cylinder 14 walls, the little molecular product of generating portion gaseous state,Pintsch process gas and uncracked diesel steam enter gaseous fuel nozzle 7 via transfer valve 11, then spray in cylinder 14Burning; When engine start, because temperature field is not also set up, diesel oil is still liquid before entering cylinder 14, by transfer valve11 switch to cold conditions oil circuit, by spraying into cylinder 14 after liquid fuel nozzles 13 atomizations.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, althoughThe present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art,Do not departing within the scope of technical solution of the present invention, when utilizing the technology contents of above-mentioned announcement make a little change or be modified to etc.With the equivalent embodiment changing, be not depart from technical solution of the present invention content in every case, according to technical spirit of the present invention, at thisWithin the spirit and principle of invention, any simple amendment that above embodiment is done, be equal to and replace and improve etc., all stillWithin belonging to the protection domain of technical solution of the present invention.
Claims (2)
1. a preheating type chemical back heating formula diesel engine, is characterized in that: described a kind of preheating type chemical back heating formula diesel engine bagDraw together booster pump (1), flow control valve (2), diesel oil-tail gas heat exchanger (4), exhaust gas turbine (5), fuel tank (6), gaseous stateFuel nozzle (7), air inlet pipe (8), charge air cooler (9), booster (10), transfer valve (11), blast pipe (12), liquidState fuel nozzle (13), cylinder (14), cooling duct (15), piston (16) and ceramic thermal barrier layer (17), fuel tank (6)Oil-out be connected with booster pump (1) by flow control valve (2), booster pump (1) is connected with charge air cooler (9), inCooler (9) is connected with cylinder (14) by air inlet pipe (8), and piston (16) is arranged in cylinder (14), cooling logicalRoad (15) is arranged on the lateral wall of cylinder (14), and it is upper that ceramic thermal barrier layer (17) is sleeved on cooling duct (15), inCooler (9) is connected with diesel oil-tail gas heat exchanger (4), and cylinder (14) is by blast pipe (12) and exhaust gas turbine (5)Connect, exhaust gas turbine (5) is connected with diesel oil-tail gas heat exchanger (4), and cylinder (14) is connected with transfer valve (11), cutsChange valve (11) and be connected with cylinder (14) with liquid fuel nozzles (13) by gaseous fuel nozzle (7), booster (10)Be connected with charge air cooler (9).
2. a kind of preheating type chemical back heating formula diesel engine according to claim 1, is characterized in that: described a kind of preheating typeChemical back heating formula diesel engine also comprises filter (3), and fuel tank (6) is connected with flow control valve (2) by filter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060525.3A CN105604694B (en) | 2016-01-28 | 2016-01-28 | A kind of preheating type chemical back heating formula diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060525.3A CN105604694B (en) | 2016-01-28 | 2016-01-28 | A kind of preheating type chemical back heating formula diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604694A true CN105604694A (en) | 2016-05-25 |
| CN105604694B CN105604694B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610060525.3A Active CN105604694B (en) | 2016-01-28 | 2016-01-28 | A kind of preheating type chemical back heating formula diesel engine |
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| Country | Link |
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| CN (1) | CN105604694B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888771A (en) * | 2016-05-25 | 2016-08-24 | 上海交通大学 | Engine oil filtering, cooling and preheating integrated system and method |
| CN113599930A (en) * | 2021-10-09 | 2021-11-05 | 南通卡森环境科技有限公司 | Water-washed sediment industrial waste gas processing apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3765382A (en) * | 1972-06-23 | 1973-10-16 | J Vandenberg | Internal/external combustion engine |
| JP2003343365A (en) * | 2002-05-23 | 2003-12-03 | Nippon Soken Inc | Fuel supply system of internal combustion engine and failure diagnostic device therefor |
| CN201972816U (en) * | 2011-04-15 | 2011-09-14 | 江苏大学 | Preheating system of high-viscosity fuel oil for fueling diesel engine |
| CN202065042U (en) * | 2011-05-31 | 2011-12-07 | 姜忠扬 | Power device free of water cooling |
| CN103291507A (en) * | 2012-06-04 | 2013-09-11 | 摩尔动力(北京)技术股份有限公司 | Fuel enrichment engine utilizing exhaust heat |
| CN203517806U (en) * | 2013-10-23 | 2014-04-02 | 中国船舶重工集团公司第七�三研究所 | Gas and liquid dual-fuel integrated nozzle |
| FR3011580A1 (en) * | 2013-10-07 | 2015-04-10 | Motorisations Aeronautiques | COOLING AN ALTERNATE INTERNAL COMBUSTION ENGINE |
-
2016
- 2016-01-28 CN CN201610060525.3A patent/CN105604694B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3765382A (en) * | 1972-06-23 | 1973-10-16 | J Vandenberg | Internal/external combustion engine |
| JP2003343365A (en) * | 2002-05-23 | 2003-12-03 | Nippon Soken Inc | Fuel supply system of internal combustion engine and failure diagnostic device therefor |
| CN201972816U (en) * | 2011-04-15 | 2011-09-14 | 江苏大学 | Preheating system of high-viscosity fuel oil for fueling diesel engine |
| CN202065042U (en) * | 2011-05-31 | 2011-12-07 | 姜忠扬 | Power device free of water cooling |
| CN103291507A (en) * | 2012-06-04 | 2013-09-11 | 摩尔动力(北京)技术股份有限公司 | Fuel enrichment engine utilizing exhaust heat |
| FR3011580A1 (en) * | 2013-10-07 | 2015-04-10 | Motorisations Aeronautiques | COOLING AN ALTERNATE INTERNAL COMBUSTION ENGINE |
| CN203517806U (en) * | 2013-10-23 | 2014-04-02 | 中国船舶重工集团公司第七�三研究所 | Gas and liquid dual-fuel integrated nozzle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888771A (en) * | 2016-05-25 | 2016-08-24 | 上海交通大学 | Engine oil filtering, cooling and preheating integrated system and method |
| CN105888771B (en) * | 2016-05-25 | 2018-06-22 | 上海交通大学 | A kind of oil filtration, cooling and preheating integrated system and method |
| CN113599930A (en) * | 2021-10-09 | 2021-11-05 | 南通卡森环境科技有限公司 | Water-washed sediment industrial waste gas processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604694B (en) | 2018-06-22 |
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