CN206513437U - A kind of double fuel locomotive engine - Google Patents
A kind of double fuel locomotive engine Download PDFInfo
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- CN206513437U CN206513437U CN201621391349.3U CN201621391349U CN206513437U CN 206513437 U CN206513437 U CN 206513437U CN 201621391349 U CN201621391349 U CN 201621391349U CN 206513437 U CN206513437 U CN 206513437U
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- fuel
- gas
- locomotive engine
- cylinder
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Abstract
The utility model provides a kind of double fuel locomotive engine, including fuel oil supply system, gas supply system, air induction system and cylinder (9), the fuel oil supply system includes the injection pump (21) and fuel nozzle (20) connected by pipeline, the fuel nozzle (20) communicates with cylinder (9) acting inner chamber, the air induction system is communicated with cylinder (9) air intake duct, the gas supply system includes the fuel gas injection valve (22) and gas nozzle (8) connected by pipeline, the gas nozzle (8) communicates with cylinder (9) acting inner chamber.The utility model can cancel the spark plug on conventional locomotive engine, part oil fuel is substituted by using combustion gas, the usage amount of fuel oil can also correspondingly be reduced, improve the substitution rate of fuel oil, the operating cost of locomotive engine can be not only effectively reduced, the exhaust emission of locomotive engine can also be reduced, the Environmental Protection Level of locomotive engine is improved.
Description
Technical field
The utility model is related to locomotive engine technical field, more particularly, to one kind applied to high-power middling speed locomotive
Double fuel locomotive engine.
Background technology
At present, the engine used at home on high-power middling speed locomotive is all, using diesel oil as fuel, to be finished by this
The engine of complete utilization diesel oil carrys out traction locomotive so that the operating cost of locomotive remains high；Simultaneously as using fuel power
Produced exhaust emission is also limited by more and more stricter, therefore, on the basis of locomotive is met to traction power requirement,
How effectively to reduce the traction cost of locomotive and reduce exhaust emission, just as more and more urgent current demand.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of double fuel machine for the problem of existing for prior art
Car engine, reduces the operating cost and exhaust emission of locomotive engine.
The technical problems to be solved in the utility model is realized using following technical scheme：A kind of double fuel locomotive engine
Machine, including fuel oil supply system, air induction system and gas supply system and cylinder, the fuel oil supply system include logical
The injection pump and fuel nozzle of pipeline connection are crossed, the fuel nozzle is communicated with cylinder acting inner chamber, the air induction system
Communicated with inlet cylinder, the gas supply system includes the fuel gas injection valve and gas nozzle connected by pipeline, described
Gas nozzle is communicated with cylinder acting inner chamber.
Preferably, in addition to speed regulator and actuator, the speed regulator is electrically connected with actuator, the actuator and oil spout
Pump is electrically connected.
Preferably, described gas supply system also include Gas controller, the Gas controller respectively with speed regulator,
Fuel gas injection valve is electrically connected.
Preferably, in addition to exhaust explosion system, the exhaust explosion system includes clamper, Explosion-proof cap and exhaust explosion
Rupture disk is fixedly mounted on cylinder, the clamper, the Explosion-proof cap constitutes movable connection structure, and Explosion-proof cap with exhaust anti-explosion tube
Open or close relative to the exhaust anti-explosion tube port of export, the clamper import is communicated with the total air escape pipe of engine, clamp
Device outlet is communicated with exhaust anti-explosion tube.
Preferably, described air induction system includes the booster and charge air cooler connected by pipeline, the booster
Communicated with air intake duct, the charge air cooler is communicated with inlet cylinder.
Preferably, in addition to turbine turbine three-way pipe, described turbine turbine three-way pipe enters with booster, clamper respectively
Mouth, total air escape pipe outlet are communicated.
Preferably, described air induction system also include pressurizer tank, the pressurizer tank respectively with charge air cooler, cylinder intake
Road is communicated.
Preferably, described fuel oil supply system also includes secondary fuel oil filter, the outlet and oil spout of the secondary fuel oil filter
The import of pump is communicated.
Compared with prior art, the beneficial effects of the utility model are：Pass through fuel oil supply system, air induction system point
Fuel oil, air are not conveyed into cylinder, fuel oil is mutually mixed with air in cylinder acting inner chamber, and by piston compression ignition fuel oil,
It is pressed into by gas supply system into the acting inner chamber of cylinder after combustion gas, combustion gas is carried out point by the fuel oil of compression ignition
Combustion, so as to realize fuel oil, the co-fire of combustion gas, makes engine externally do work, and is fired during the acting without spark ignitor
Oil, combustion gas, so as to cancel the spark plug on traditional locomotive engine, also, due to portion can be substituted using combustion gas
Divide oil fuel, correspondingly reduce the consumption of oil fuel, improve the substitution rate of fuel oil, so as to be effectively reduced
The operating cost of locomotive engine, while decreasing the exhaust emission of locomotive engine, improves the environmental protection of locomotive engine
Level.
Brief description of the drawings
Fig. 1 is a kind of organigram of double fuel locomotive engine of the utility model.
Fig. 2 is a kind of sectional view of double fuel locomotive engine of the utility model.
Fig. 3 is a kind of organigram of the gas burning system of double fuel locomotive engine of the utility model.
Marked in figure：1- block assemblies, 2- total air escape pipes, 3- turbine turbine three-way pipes, 4- clampers, 5- Explosion-proof caps, 6-
Exhaust anti-explosion tube, 7- boosters, 8- gas nozzles, 9- cylinders, 10- gas inlet house stewards, 11- secondary fuel oil filters, 12- controls are drawn
In bar, 13- cables, 14- actuators, 15- Gas controllers, 16- speed regulators, 17- fuel pipes, 18- air intake ducts, 19-
Cooler, 20- fuel nozzles, 21- injection pumps, 22- fuel gas injection valves, 23- bellowss, 24- support frames.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with the accompanying drawings and specifically
The utility model is described in detail embodiment.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Double fuel locomotive engine as shown in Figure 1 and Figure 2, mainly includes block assembly 1, fuel oil supply system, air and enters
Gas system, gas supply system and engine electrical system and cylinder 9, described fuel oil supply system include secondary fuel oil filter
11st, injection pump 21 and fuel nozzle 20, the outlet of the secondary fuel oil filter 11 pass through the import of fuel pipe 17 and injection pump 21
Connection is communicated, and the injection pump 21 is connected with fuel nozzle 20 by pipeline to be communicated, the ejiction opening and gas of the fuel nozzle 20
The acting inner chamber of cylinder 9 is communicated.The air induction system include booster 7, charge air cooler 19 and pressurizer tank, the booster 7 with
Communicated between air intake duct 18 by pipeline connection, the charge air cooler 19 is connected with booster 7, the air intake duct of cylinder 9 respectively；It is excellent
Selection of land, can also increase setting pressurizer tank between charge air cooler 19, cylinder 9, described pressurizer tank respectively with charge air cooler 19, cylinder
9 air intake ducts are communicated by pipeline connection.
As shown in figure 3, described gas supply system includes gas inlet house steward 10, fuel gas injection valve 22 and gas nozzle
8, the gas inlet house steward 10 is fixedly mounted on support frame 24, and described support frame 24 is fixedly connected on block assembly 1,
The fuel gas injection valve 22 is connected by pipeline and communicated with gas inlet house steward 10, gas nozzle 8 respectively, the gas nozzle 8
Communicated with the acting inner chamber of cylinder 9.In order to improve the security of double fuel locomotive engine, using air intake branch multi-point injection skill
Art so that exist in the part in the gas handling system such as booster 7, charge air cooler 19, pressurizer tank without fuel gas.Preferably,
Bellows 23 can be set in the connecting line between gas inlet house steward 10 and fuel gas injection valve 22, to improve gas supply
The job stability of system, reliability.
Described engine electrical system can be continuously to multiple keys such as rotating speed, temperature, the pressure in engine operating
Parameter carries out real-time data acquisition and monitoring, and is transfinited according to difference or failure situation sends alarm, off-load, shutdown etc. and referred to
Order.
Operationally, fuel oil first passes through secondary fuel oil filter 11 and filtered above-mentioned double fuel locomotive engine, then passes through
Injection pump 21, fuel nozzle 20 are pressed into the acting inner chamber of cylinder 9, and extraneous air then flows through booster 7 successively, charge air cooler 19, steady
Press and enter the air intake duct of cylinder 9 after case, in the acting inner chamber of cylinder 9, fuel oil, air are mutually mixed, then the motion for passing through piston
Carry out compression ignition fuel oil；After combustion gas is pressed into the acting inner chamber of cylinder 9 by gas supply system, combustion gas is can be by compression ignition
Fuel oil lighted, so as to realize fuel oil, the co-fire of combustion gas, engine is externally done work.Because this of engine is done
Without spark ignitor fuel oil, combustion gas during work(, so as to cancel the spark plug on traditional locomotive engine；Meanwhile,
Due to the oil fuel of part can be substituted using combustion gas, so as to correspondingly reduce the consumption of oil fuel, improve
The substitution rate of fuel oil, significantly reduces the operating cost of locomotive engine, while decreasing the discharge of locomotive engine
Pollution.
Further, injection pump 21 is made to be electrically connected with the actuator 14 on engine, on the actuator 14 and engine
Speed regulator 16 between electrically connected by the formation of cable 13, and actuator 14 is with controlling pull bar 12 to be connected, and by controlling pull bar
The action of 12 pairs of injection pumps 21 is controlled；It is electrically connected between the speed regulator 16 and Gas controller 15 by the formation of cable 13
Connect, meanwhile, electrically connected between the Gas controller 15 and fuel gas injection valve 22.Throttle position signal is divided by speed regulator 16
Actuator 14, Gas controller 15 are not sent to, by actuator 14 by controlling action of the pull bar 12 to injection pump 21 to adjust
Section, so as to realize that the distributive value to fuel oil is adjusted.And the air inflow of combustion gas is carried out by fuel gas injection valve 22
Accurate control, to reduce combustion gas in the in-engine holdup time.
Therefore, double fuel locomotive engine of the present utility model can be operated in diesel fuel mode and dual fuel mode respectively
Under, it is possible to easily switch between both of which.When occurring load changing, engine can automatically switch back into diesel oil mould
Formula is maintained and former diesel engine identical dynamic characteristic with carrying out quick response；After new steady operational status is reached, engine
Dual fuel mode work is automatically switched back into again, wherein, stabilization of speed and the regulation of engine are to control diesel oil by speed regulator 16
Emitted dose realize that the replacement amount of 15 control combustion gas of Gas controller is not involved in speed governing and the load responding of engine.
In order to further enhance the safety in operation of above-mentioned double fuel locomotive engine, setting exhaust explosion can be increased
System, described exhaust explosion system is as shown in figure 1, anti-including turbine turbine three-way pipe 3, clamper 4, Explosion-proof cap 5 and exhaust
Rupture disk is installed with squib 6, described clamper 4, by being hinged between described Explosion-proof cap 5 and exhaust anti-explosion tube 6
Mode forms movable connection structure, so that Explosion-proof cap 5 can be opened or closed relative to the port of export of exhaust anti-explosion tube 6.It is described
Turbine turbine three-way pipe 3 respectively with booster 7, the import of clamper 4, engine the outlet of total air escape pipe 2, the clamper
4 outlet is communicated with exhaust anti-explosion tube 6, and the import of clamper 4 is communicated with the total air escape pipe 2 of engine.When engine occurs
Catastrophe failure, and when causing pressure jump or the pressure anomaly rise in cylinder 9, the pressure high temperature hot gas given off is passing through
During turbine turbine three-way pipe 3, if gas pressure has exceeded when bearing pressure of the rupture disk in clamper 4, rupture disk fails,
Explosion-proof cap 5 is opened relative to exhaust anti-explosion tube 6, and high temperature and high pressure gas are released by exhaust anti-explosion tube 6, with rapidly, in time
Release is carried out to gas extraction system, and output alarm signal arrives engine control system simultaneously, by control system progress cut-out combustion gas,
Off-load, reduction of speed, shutdown etc. are operated, so as to effectively prevent the expansion of accident.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, should be referred to
Go out, all any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc. all should be included
Within protection domain of the present utility model.
Claims (8)
1. a kind of double fuel locomotive engine, including fuel oil supply system, air induction system and cylinder (9), the fuel oil are supplied
Oil system includes the injection pump (21) and fuel nozzle (20) connected by pipeline, and the fuel nozzle (20) is done with cylinder (9)
Work(inner chamber is communicated, and the air induction system is communicated with cylinder (9) air intake duct, it is characterised in that：Also include gas supply system,
The gas supply system includes the fuel gas injection valve (22) and gas nozzle (8) connected by pipeline, the gas nozzle (8)
Communicated with cylinder (9) acting inner chamber.
2. a kind of double fuel locomotive engine according to claim 1, it is characterised in that：Also include speed regulator (16) and hold
Row device (14), the speed regulator (16) electrically connects with actuator (14), and the actuator (14) electrically connects with injection pump (21).
3. a kind of double fuel locomotive engine according to claim 2, it is characterised in that：Described gas supply system is also
Including Gas controller (15), the Gas controller (15) electrically connects with speed regulator (16), fuel gas injection valve (22) respectively.
4. a kind of double fuel locomotive engine according to claim any one of 1-3, it is characterised in that：Also include exhaust anti-
Quick-fried system, the exhaust explosion system is included on clamper (4), Explosion-proof cap (5) and exhaust anti-explosion tube (6), the clamper (4)
Be fixedly mounted rupture disk, the Explosion-proof cap (5) and exhaust anti-explosion tube (6) constitute movable connection structure, and Explosion-proof cap (5) relative to
Exhaust anti-explosion tube (6) port of export is opened or closed, and clamper (4) import is communicated with the total air escape pipe (2) of engine, is pressed from both sides
Holder (4) outlet is communicated with exhaust anti-explosion tube (6).
5. a kind of double fuel locomotive engine according to claim any one of 1-3, it is characterised in that：Described air enters
Gas system includes the booster (7) and charge air cooler (19) connected by pipeline, the booster (7) and air intake duct (18) phase
Logical, the charge air cooler (19) communicates with cylinder (9) air intake duct.
6. a kind of double fuel locomotive engine according to claim 5, it is characterised in that：Also include turbine turbine three-way pipe
(3), described turbine turbine three-way pipe (3) is communicated with booster (7), clamper (4) import, total air escape pipe (2) outlet respectively.
7. a kind of double fuel locomotive engine according to claim 5, it is characterised in that：Described air induction system is also
Including pressurizer tank, the pressurizer tank is communicated with charge air cooler (19), cylinder (9) air intake duct respectively.
8. a kind of double fuel locomotive engine according to claim any one of 1-3, it is characterised in that：Described fuel oil is supplied
Oil system also includes secondary fuel oil filter (11), and the outlet of the secondary fuel oil filter (11) is communicated with the import of injection pump (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391349.3U CN206513437U (en) | 2016-12-19 | 2016-12-19 | A kind of double fuel locomotive engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391349.3U CN206513437U (en) | 2016-12-19 | 2016-12-19 | A kind of double fuel locomotive engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513437U true CN206513437U (en) | 2017-09-22 |
Family
ID=59863056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621391349.3U Active CN206513437U (en) | 2016-12-19 | 2016-12-19 | A kind of double fuel locomotive engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523146A (en) * | 2016-12-19 | 2017-03-22 | 四川中车玉柴发动机股份有限公司 | Dual-fuel locomotive engine |
-
2016
- 2016-12-19 CN CN201621391349.3U patent/CN206513437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523146A (en) * | 2016-12-19 | 2017-03-22 | 四川中车玉柴发动机股份有限公司 | Dual-fuel locomotive engine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dual-fuel locomotive engine Effective date of registration: 20200710 Granted publication date: 20170922 Pledgee: Guangxi Yuchai Machinery Group Co.,Ltd. Pledgor: SICHUAN YCRRC ENGINE Co.,Ltd. Registration number: Y2020980003981 |