CN106894876B - Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine - Google Patents
Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine Download PDFInfo
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- CN106894876B CN106894876B CN201710176781.3A CN201710176781A CN106894876B CN 106894876 B CN106894876 B CN 106894876B CN 201710176781 A CN201710176781 A CN 201710176781A CN 106894876 B CN106894876 B CN 106894876B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
- F01P3/16—Arrangements for cooling other engine or machine parts for cooling fuel injectors or sparking-plugs
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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
- F02B19/00—Engines characterised by precombustion chambers
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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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
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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
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The present invention provides a kind of large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engines, including cylinder and cylinder head, it is characterized in that, further include: water cooling pre-burning device, it is arranged on cylinder, carrys out the indoor cylinder combustion gas of burning of some gas cylinders for lighting to jet out flames after the pre-burning combustion gas being passed through；Water circulation pipe has water inlet end and water outlet, and for conveying cooling water, water inlet end and water outlet are connected to water cooling pre-burning device respectively；Water circulating pump is arranged on water-circulating pipe road, for pumping cooling water；And Intaker controller, with air inlet, the first outlet being connected to water cooling pre-burning device and with the second outlet of combustion chamber, for controlling the air inflow of pre-burning combustion gas and cylinder combustion gas, large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine of the invention can not only carry out cooling to pre-burning room housing and flame-thrower nozzle, radiate, and can be realized as cooling water circulation use without in addition addition equipment, save fund.
Description
Technical field
The present invention relates to internal combustion engines, and in particular to a kind of large-diameter single cylinder gas internal-combustion engine and includes the large-diameter single cylinder
The multi-cylinder gas internal-combustion engine of gas internal-combustion engine.
Background technique
Huge discharge gas internal-combustion engine generally uses precombustion-chamber ignition technology, after conveying a small amount of fuel gas to precombustion chamber,
Spark plug in pre-burning room housing generates spark ignition fuel gas and the mixture of air generates flame and sprayed by nozzle,
The flame of ejection ignites a large amount of fuel gas mixture, and then work by combustion in a combustion chamber.
In the prior art, the cylinder head of internal combustion engine is fitted closely with pre-burning room housing, and it is biggish to form an integral thickness
Structure, pre-burning room housing almost completely cut off with the external world, and heat dissipation effect is very poor, and makes precombustion chamber after the work of a period of time, in advance
The temperature of combustion room housing is up to several Baidu, while the temperature of spark plug is also very high.
The high temperature of pre-burning room housing will appear many problems, on the one hand, it is mixed that excessively high temperature is possible to reach fuel gas
The burning point for closing object, such that fuel gas mixture will burn immediately when contacting with shell, without by spark plug
The control of igniting, that is to say, that the pre-burning room housing of high temperature can to burn always inside gas internal-combustion engine, and cannot be by spark
Plug lights a fire to normally control simultaneously work by combustion, i.e., cannot normally work.On the other hand, excessively high temperature can make pre-burning
Room nozzle melts damage because of overheat or the direction of spray orifice shifts, and leads to internal combustion engine cisco unity malfunction.
In addition, the high temperature of spark plug can also to light a fire dangerous, gently then leap up fiery phenomenon, more serious words, may
It is burst because of thermal deformation, the service life of spark plug can also greatly shorten.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of radiating efficiency is high, it is pre- to allow
It fires room housing, spark plug, precombustion chamber nozzle and carries out effective temperature-reducing, the large-diameter single cylinder gas internal-combustion engine of heat dissipation and multi-cylinder combustion gas
Internal combustion engine.
The present invention provides a kind of large-diameter single cylinder gas internal-combustion engines, including cylinder and setting on cylinder and to have interior
The cylinder head of chamber, which is characterized in that further include: water cooling pre-burning device is arranged on cylinder, for lighting the pre-burning combustion gas being passed through
It jets out flames afterwards and carrys out the indoor cylinder combustion gas of burning of some gas cylinders；Water circulation pipe has water inlet end and water outlet, for defeated
Cooling water is sent, water inlet end and water outlet are connected to water cooling pre-burning device respectively；Water circulating pump is arranged on water-circulating pipe road, uses
In pumping cooling water；And Intaker controller, with air inlet, the first outlet that is connected to water cooling pre-burning device and with combustion
The second outlet for burning room connection, for controlling the air inflow of pre-burning combustion gas and cylinder combustion gas, wherein water cooling pre-burning device includes:
Pre-chamber cavity shell, is embedded in the inner cavity of cylinder head, and inside has pre-chamber cavity, and cylinder head is arranged in the precombustion chamber seat of honour
In inner cavity, one end is connect with pre-chamber cavity shell, the internal through hole having for installing spark plug, flame-thrower nozzle, detachably
Ground is mounted on pre-chamber cavity shell, and including the cylindrical tube with cavity, the fire of a plurality of perforation is provided on the cylindrical tube
Several nozzle cooling water channels in flame channel and the setting that is staggered with a plurality of passage of flame；Precombustion chamber water jacket, covers in pre-chamber cavity
On shell and the precombustion chamber seat of honour, it is provided with first through hole between outer wall and the inner wall of cylinder head, the first through hole is as water inlet
Channel, the inner wall of precombustion chamber water jacket and the outer wall of pre-chamber cavity shell have first annular gap, the first annular gap conduct
First cooling water channel is connected to nozzle cooling water channel, and multiple second through-holes are provided in the wall at the precombustion chamber seat of honour, second through-hole
As the second cooling water channel, one end is connected to the first cooling water channel, be additionally provided in the wall at the precombustion chamber seat of honour at least one
Three through-holes, the third through-hole are connected to as blast tube, one end with pre-chamber cavity, and intake tunnel is introduced cold by water circulation pipe
But water is into nozzle cooling water channel, which is flowed into the first cooling water channel from nozzle cooling water channel, then from the first cooling water
Road is discharged after being flowed into the second cooling water channel, and pre-chamber cavity introduces pre-burning combustion gas from blast tube, and pre-burning combustion gas is in pre-chamber cavity
Middle igniting generates flame, which sprays from passage of flame.
In large-diameter single cylinder gas internal-combustion engine provided by the invention, it can also have the feature that, further includes: combustion gas
Inlet duct is connected to the air inlet of Intaker controller, for conveying fuel gas, including gas inlet pipe and for fixing
The bracket of gas inlet pipe.
It in large-diameter single cylinder gas internal-combustion engine provided by the invention, can also have the following features: wherein, air inlet control
Device processed includes the air inlet valve body with cavity, which has three mouths, respectively as the air inlet of Intaker controller
Mouthful, first outlet and second outlet, be disposed with gas inlet door, gas inlet from top to bottom in the cavity of air inlet valve body
Spring, gas inlet tappet and combustion gas camshaft.
It in large-diameter single cylinder gas internal-combustion engine provided by the invention, can also have the following features: wherein, air inlet control
Device processed further includes adjusting nut, which is arranged in the lower end of gas inlet spring, for adjusting the gas inlet
The stroke of spring carrys out the fuel gas air inflow on regulating gas inlet valve.
In large-diameter single cylinder gas internal-combustion engine provided by the invention, it can also have the following features: wherein, intake valve
It is provided with adjusting window on the side wall of body lower part, is hinged with transparent glass plate on the adjusting window, for observing as the glass
The regulated quantity of adjusting nut.
It in large-diameter single cylinder gas internal-combustion engine provided by the invention, can also have the following features: wherein, first goes out
Port is connected to by pre-burning fuel gas pipeline with blast tube, and second outlet passes through cylinder fuel gas pipeline and combustion chamber.
It in large-diameter single cylinder gas internal-combustion engine provided by the invention, can also have the following features: wherein, pre-burning combustion
Metering pin valve with tolerance is set on air pipe, and the tolerance metering pin valve is for adjusting the pre-burning combustion gas for being passed through water cooling pre-burning device
Ventilatory capacity.
In large-diameter single cylinder gas internal-combustion engine provided by the invention, it can also have the following features: wherein, water cooling is pre-
Firing device further includes precombustion chamber briquetting, which is fixedly connected with the other end at the precombustion chamber seat of honour, for fixing pre-burning
The room seat of honour and precombustion chamber water jacket, are provided with the air inlet hole being connected to air inlet channel.
It in large-diameter single cylinder gas internal-combustion engine provided by the invention, can also have the following features: wherein, flame spray
Mouth further includes installation set, and the outer diameter of the installation set is greater than the outer diameter of cylindrical tube, and the outer wall of the upper end of installation set is provided with annular
Slot, the annular groove are covered for installing sealing shroud and the sealing of precombustion chamber water jacket, the upper end of installation set and the lower part of pre-chamber cavity shell
It connects, for sealing.
The present invention also provides a kind of multi-cylinder gas internal-combustion engines characterized by comprising
At least two large-diameter single cylinder gas internal-combustion engines；And combustion engine general pipeline, be connected to single cylinder gas internal-combustion engine, for from
External fuel gas source introduces combustion gas and is supplied to large-diameter single cylinder gas internal-combustion engine.
The action and effect of invention
Related large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine according to the present invention, because of the large-diameter
Single cylinder gas internal-combustion engine has pre-chamber cavity shell, the precombustion chamber seat of honour, flame-thrower nozzle, precombustion chamber water jacket and water circulation pipe,
There is intake tunnel, cooling water can first enter from the water outlet of water circulation pipe between precombustion chamber water jacket and pre-chamber cavity shell
Intake tunnel, then enter after nozzle cooling water channel is exchanged heat with flame-thrower nozzle from intake tunnel and flow into the first cooling water channel, it connects
Flow into the second cooling water channel from the first cooling water channel, cooling water is in the first cooling water channel and the second cooling water channel around pre-burning
Room housing flowing is flowed out after being exchanged heat with pre-burning room housing.So large-diameter single cylinder gas internal-combustion engine of the invention and more
Cylinder gas internal-combustion engine can not only carry out cooling to pre-burning room housing and flame-thrower nozzle, radiate, and without in addition addition equipment
It can be realized as cooling water circulation use, saved fund.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of large-diameter single cylinder gas internal-combustion engine in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of Intaker controller in the embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section of water cooling pre-burning device and cylinder head in the embodiment of the present invention；
Fig. 4 is the cross-sectional view in the direction B-B in Fig. 3；
Fig. 5 is the cross-sectional view in the direction C-C in Fig. 3；And
Fig. 6 is the structural schematic diagram of the embodiment of the present invention Flame nozzle, wherein Fig. 6 a is facing for flame-thrower nozzle
Figure, Fig. 6 b are the top view of Fig. 6 a, and Fig. 6 c is the cross-sectional view in the direction D-D in Fig. 6 b, and Fig. 6 d is the section view in the direction E-E in Fig. 6 b
Figure, Fig. 6 e are the cross-sectional view in the direction F-F in Fig. 6 a.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine of the invention.
Fig. 1 is the structural schematic diagram of large-diameter single cylinder gas internal-combustion engine in the embodiment of the present invention.
As shown in Figure 1, single-cylinder engine 1000 includes gas inlet device 100, Intaker controller 200, water cooling pre-burning
Device 300, water circulation pipe 400, water circulating pump 500, cylinder 600 and cylinder head 700.
Gas inlet device 100 includes gas inlet pipe 110 and bracket 120.
One end of gas inlet pipe 110 is connected to external gas header pipe (not shown), and the other end passes through air delivering pipeline 130
It is connected to the air inlet on Intaker controller 200, fuel gas enters in gas inlet pipe 110 from gas header pipe, then by defeated
Air pipe 130 is delivered in Intaker controller 200, and the outside of gas inlet pipe 110 is fixed by anchor ear 140.
Bracket 120 is one section of steel plate in " ┘ " type, its transverse slat part passes through embracing on bolt and gas inlet pipe 110
Hoop 130 is fixedly connected, and riser portion is fixed by screws on the body of single-cylinder engine 1000.
Fig. 2 is the structural schematic diagram of Intaker controller in the embodiment of the present invention.
As shown in Fig. 2, Intaker controller 200 includes air inlet valve body 210, gas inlet door 220, gas inlet spring
230, adjusting nut 240, gas inlet tappet 250, roller body assembly 260 and combustion gas camshaft 270.From gas inlet pipe
110 fuel gas being passed through enter in Intaker controller 200, have respectively entered by the control of Intaker controller 200 pre-
It fires in igniter 300 and cylinder 600.
The inside of air inlet valve body 210 has cavity, which is divided into three parts, is followed successively by inlet chamber 211 from top to bottom, supplies
Air cavity 212 and valve adjustments chamber 213.Inlet chamber 211 is connected with for air cavity 212, also has three on the wall of air inlet valve body 210
A opening, respectively as air inlet 214, first outlet 215 and second outlet 216.Air inlet 214 is arranged in air inlet valve body
210 top, its upper end are connected to by air delivering pipeline 140 with gas inlet pipe 110, and lower end is connected to inlet chamber 211.First
Outlet 215 is arranged on the side wall of air inlet valve body 210, its left end is connected to for air cavity 212, and right end passes through pre-burning fuel gas pipeline
280 are connected to pre-burning igniter 300.Second outlet 216 is also disposed on the side wall of air inlet valve body 210, its left end and confession
Air cavity 212 is connected to, and right end passes through the combustion chamber on cylinder fuel gas pipeline 290 and cylinder 400.In addition, under air inlet valve body 210
There is an adjusting window, this adjusts and is provided with one block of transparent organic glass plate 217, organic glass on window on the outer wall in portion
Plate 217 and air inlet valve body 210 are articulated and connected, and when large-diameter single cylinder gas internal-combustion engine 1000 does not work, staff can be from this
Window is adjusted to adjust the displacement of adjusting nut 240, when large-diameter single cylinder gas internal-combustion engine 1000 works, through organic glass
Glass plate 217 can observe the state of adjusting nut 240.
Gas inlet door 220 has circle shank and bar portion, and circle shank is arranged in inlet chamber 211, the lower surface of circle shank
For the conical surface, bar portion has certain gap with the adjusting bolt (not shown) that 250 upper end of gas inlet tappet is arranged in, passes through tune
Save this and adjust bolt to adjust the size in the gap to carry out the displacement of regulating gas inlet valve, so come control combustion gas into
The air inflow of valve 220, when gas inlet door 220 is closed, the conical surface of the circle shank lower surface of gas inlet door 220 and setting
The conical surface of inlet valve seat (not shown) upper surface in air inlet valve body 210 matches sealing, so as to completely cut off inlet chamber 211
With for air cavity 212, when gas inlet door 220 is opened, circle shank is separated with 210 phase of inlet valve seat, and fuel gas can be from air inlet
Chamber 211 is entered in air cavity 212.In addition, the bar portion of gas inlet door 220 is cased with gas with the junction for 212 bottom of air cavity
Door oil sealing, the valve oil seal are used to seal for the combustion gas in air cavity 212, drain to combustion gas can not down in valve adjustments window 213,
Also, the lubricating oil in sealed air valve adjusting cavity 213 also not on channel in air inlet cavity 212.It is passed through in valve adjustments chamber 213 outer
The lubricating oil in portion, for lubricating 220 bar portion of gas inlet door, gas inlet spring 230 and adjusting nut 240, valve adjustments
Oil return pipe (not shown) is also connected in chamber 213, the lubricating oil being passed through can pass back into external oil system by oil return pipe
In.
Gas inlet spring 230 is arranged in the bar portion of gas inlet door 220, and is located in working chamber 213, gas inlet
The upper and lower ends of spring 230 are provided with spring base (not marking in figure), and flexible by control spring can control combustion gas
Inlet valve 220 moves up and down to come the fuel gas air inflow that controls inlet chamber 211.
Adjusting nut 240 is arranged on the adjusting bolt of the upper end of gas inlet tappet 250, adjusts bolt and air inlet valve body
210 bar portion has certain gap, controls to adjust nut 240 and carrys out the stroke of regulating gas air inlet spring 230 and then to adjust
Save the fuel gas air inflow of inlet valve 220.
The upper end of gas inlet tappet 250 is in working chamber 213, and lower end is arranged outside air inlet valve body 210.
Roller body assembly 260 is fixed on the lower end of gas inlet tappet 250, it is used to contact with combustion gas camshaft 270.
Combustion gas camshaft 270 has a protruding portion, which contacts with roller body assembly 260, combustion gas camshaft 270
Pass through gear drive with the crankshaft on large-diameter single cylinder gas internal-combustion engine 1000.In this example, large-diameter single cylinder combustion gas internal combustion
Machine 1000 is four-stroke engine, and crankshaft turns 2 circles, 270 turn of 1 circle of combustion gas camshaft.
Fig. 3 is the diagrammatic cross-section of water cooling pre-burning device and cylinder head in the embodiment of the present invention
As shown in figure 3, water cooling pre-burning device 300 is connect with water circulation pipe 400, introduced by water circulation pipe 400 cold
But water, water cooling pre-burning device 300 are connected to first outlet 215, introduce pre-burning combustion gas, pre-burning combustion by pre-burning fuel gas pipeline 280
Also there is tolerance metering pin valve 281, which is used to adjust the logical of the pre-burning combustion gas being passed through on air pipe 280
Tolerance.In the present embodiment, water cooling pre-burning device 300 is vertically embedded in the inner cavity of cylinder head 700 of internal combustion engine, and water cooling is pre-
Firing device 300 includes pre-chamber cavity shell 310, the precombustion chamber seat of honour 320, flame-thrower nozzle 330, precombustion chamber water jacket 340 and pre-burning
Chamber pressure block 350.
Pre-chamber cavity shell 310 is vertically embedded in the inner cavity of cylinder head 700, and it is in back taper that its inside, which has one,
Pre-chamber cavity 311, be welded with spiral radiating fin (not shown) on the outer wall of pre-chamber cavity shell 310, this is dissipated
Hot fin is used to enhance the heat transfer of pre-chamber cavity shell 310.
Fig. 4 is the cutaway view Amplified image in the direction B-B in Fig. 1.
Fig. 5 is the cutaway view Amplified image in the direction C-C in Fig. 1.
As shown in Fig. 3,4,5, the precombustion chamber seat of honour 320 is mounted in the inner cavity of cylinder head 700, its lower end and pre-chamber cavity
The upper end of shell 310 is sleeved and fixed, and the inside at the precombustion chamber seat of honour 320 has through hole, which is used to install spark plug
321, the lower end of spark plug 321 and 320 internal whorl of the precombustion chamber seat of honour seal.It is provided in the wall at the precombustion chamber seat of honour 320 multiple
Second through-hole 322, second through-hole 322 are used as the second cooling water channel.At least one is additionally provided in the wall at the precombustion chamber seat of honour 320
The lower end of third through-hole 323, third through-hole 323 is connected with pre-chamber cavity 311.In the present embodiment, the second through-hole 322 has six
A, six the second through-holes 322 are circumferentially arranged in the wall at the precombustion chamber seat of honour 320, and there are four the tools of third through-hole 323, and four the
Three through-holes 323 are circumferentially evenly spaced in the wall at the precombustion chamber seat of honour 320；.
Also be horizontally arranged with two fourth holes 324 in the wall at the precombustion chamber seat of honour 320, two 324 one end of fourth hole with
Pre-burning fuel gas pipeline 280 is connected, and the other end is connected to third through-hole 323, and fourth hole 324 is used as gas inlet channel.In advance
It fires and is provided with first annular groove on the outer wall on the top at the room seat of honour 320, O-ring 325 is arranged in the first annular groove, is made
The inner wall of the outer wall and precombustion chamber water jacket 340 that obtain the top at the precombustion chamber seat of honour 320 seals；Outside the lower part at the precombustion chamber seat of honour 320
There is second annular groove on wall, be arranged with O-ring 325 in the second annular groove, so that the lower part at the precombustion chamber seat of honour 320
The inner sealing of outer wall and pre-chamber cavity shell 310.In addition, it is provided with check valve 326 in four third through-holes 323, so that
Pre-burning combustion gas unidirectionally enters in pre-chamber cavity 311 from third through-hole 323.
Fig. 6 is the structural schematic diagram of the embodiment of the present invention Flame nozzle, wherein Fig. 6 a is facing for flame-thrower nozzle
Figure, Fig. 6 b are the top view of Fig. 6 a, and Fig. 6 c is the cross-sectional view in the direction D-D in Fig. 6 b, and Fig. 6 d is the section view in the direction E-E in Fig. 6 b
Figure, Fig. 6 e are the cross-sectional view in the direction F-F in Fig. 6 a.
As shown in Fig. 6 a-6e, flame-thrower nozzle 330 is connect with the lower part of pre-chamber cavity shell 310, it includes installation set 331
With cylindrical tube 332.
The outer wall of 331 upper end of installation set has annular groove (not marking in figure), and O-ring 325 and pre- is provided on annular groove
The inner wall sealing of room water jacket 350 is fired, the upper end of installation set 331 and the lower end of pre-chamber cavity shell 310 connect together, be used to close
Envelope connection installation set 331 and pre-chamber cavity shell 310.In the present embodiment, the outer diameter of installation set 331 is 65mm.
The upper end of cylindrical tube 332 is connect with the lower end of installation set 331, and it is 1~8mm's that width is provided on its peripheral wall
Six spray orifices, this six spray orifices are equably arranged in the upper of sustained height of cylindrical tube 332, this six spray orifices are logical as flame
Road 333, the intracorporal flame of cylindrical drum are sprayed from passage of flame 333, and the fire penetrated through with six is additionally provided on cylindrical tube 332
Flame channel 333 mutually staggers several nozzle cooling water channels 334 of setting, and in the present embodiment, nozzle cooling water channel 334 has six
Item, the outer diameter 35mm of cylindrical tube 332, cylindrical tube 332 are integrally formed, the width of passage of flame 333 with installation set 331
For 5mm.
340 sets of precombustion chamber water jacket on pre-chamber cavity shell 310 and the precombustion chamber seat of honour 320, its outer wall and cylinder head 700
Inner wall between be provided with the slot block 341 that can be plugged, rectangular first for being 2~10mm with width on slot block 341
Through-hole (is not drawn into) in figure, the first through hole as intake tunnel, cooling water in water circulation pipe 400 from intake tunnel into
Enter, in the present embodiment, the width of intake tunnel is 4mm.
There is first annular gap, this first between the inner wall of precombustion chamber water jacket 340 and the outer wall of pre-chamber cavity shell 310
Annular gap is connected to as the first cooling water channel 342, the lower end of the first cooling water channel 342 with intake tunnel, and upper end is cold with second
But water channel is connected to.The outer wall on the top of precombustion chamber water jacket 340 is provided with third annular groove, is arranged with O-ring on the groove
325, for being sealed with the inner wall of cylinder head 700.
The upper end at precombustion chamber briquetting 350 and the precombustion chamber seat of honour 320 is fixed by screw, it is used to fix the precombustion chamber seat of honour
320, annular effluent trough 351 is provided on precombustion chamber briquetting 350, and annular effluent trough 351 is connected to the second cooling water channel, after heat exchange
Cooling water flowed in annular effluent trough 351 from the second cooling water channel, then water circulation pipe is flowed by annular effluent trough 351
In 400.
Water circulation pipe 400 is used to convey cooling water, after exchanging heat with pre-chamber cavity shell 310 and the precombustion chamber seat of honour 320
Water is cooled down in water circulation pipe 400 and through external air-cooler (being not drawn into figure), water after cooling return again to
In intake tunnel, nozzle cooling water channel 334, the first cooling water channel 342 and the second cooling water channel, thus to pre-chamber cavity shell
310 and the precombustion chamber seat of honour 320 carry out again it is cooling, cool down, realize recycling for water, water circulation pipe 400 have water inlet end and
Water outlet, water inlet end are connected to annular effluent trough 351, and water outlet is connected to intake tunnel, in the present embodiment, water circulation pipe
400 are formed by connecting by stainless steel tube, further, it is also possible to using copper pipe or rubber tube.
Water circulating pump 500 is mounted on water circulation pipe 400, it is used to pressurize to cooling water and pump cooling water,
So that cooling water is entered in intake tunnel by water circulation pipe 400.In the present embodiment, water circulating pump 500 uses high temperature
Magnetic drive pump, further, it is also possible to using high-temperature centrifugal pump.
Cylinder 600 includes cylinder barrel (not marking in figure), cylinder sleeve 610, piston 620 and piston pin 630.Cylinder barrel is cylinder
Cylinder, the lower section of spray orifice is arranged in it.610 sets of cylinder sleeve on the inner wall of cylinder barrel, piston 620 be arranged in cylinder sleeve, piston 620
Combustion chamber is collectively formed in cylinder head 700 with cylinder sleeve top.630 one end of piston pin is connect with piston, and the other end and crank connect
Linkage connects (not marking in figure).
Cylinder head 700 is bolted on the top of cylinder 600, its inside has inlet chamber and discharge chamber.
The working process and principle of the large-diameter single cylinder gas internal-combustion engine of the present embodiment are as follows:
The large-diameter single cylinder gas internal-combustion engine of the present embodiment is using cooling water to the precombustion chamber seat of honour 320, pre-chamber cavity shell
310 and flame-thrower nozzle 330 cooled down, radiated.
Short arrow indicates cooling water (flow) direction in Fig. 3, and the cooling water that water circulation pipe 400 flows into is flowed by intake tunnel
It is entered in the first cooling water channel 342 to nozzle cooling water channel 334, then by nozzle cooling water channel 334, then by the first cooling water
Road 342 is flowed into the second cooling water channel, then flows in annular effluent trough 351 from the second cooling water channel, finally returns back to water circulation
Pipeline 400, this process, cooling water simultaneously contact the precombustion chamber seat of honour 320, pre-chamber cavity shell 310 and flame-thrower nozzle 330
Heat exchange, thus to the cooling of the precombustion chamber seat of honour 320, pre-chamber cavity shell 310 and nozzle 312, heat dissipation.
In addition, fuel gas first enters air delivering pipeline 140 from gas inlet pipe 110, then by air delivering pipeline 140 enter into
In air cavity 211, when combustion gas camshaft 270 rotates, when protruding portion and roller body assembly 260 contact, gas inlet door 220 is adjusted
It saves bolt to jack up, fuel gas is entered from inlet chamber 211 for passing through first outlet for the fuel gas in air cavity 212 in air cavity 212
Be divided into pre-burning combustion gas and cylinder combustion gas with second outlet, pre-burning combustion gas by pre-burning fuel gas conduit 280 enter in pre-chamber cavity by
Plug ignition, the flame after lighting are sprayed from passage of flame 333, and cylinder combustion gas enters burning by cylinder fuel gas conduit 290
The flame ignition that is sprayed after in room by passage of flame 333, explosion, to do work with piston.
As a kind of implementation form, the present embodiment additionally provides a kind of multi-cylinder gas internal-combustion engine, it includes that n (n >=2) platform is big
Cylinder diameter single cylinder gas internal-combustion engine 1000 and gas header pipe (not shown), n (n >=2) platform large-diameter single cylinder gas internal-combustion engine 1000
It is evenly distributed on gas header pipe.Gas header pipe is connect with external fuel gas source, for introducing combustion gas and being supplied to large-diameter list
Cylinder gas internal-combustion engine 1000.
The action and effect of embodiment
The large-diameter single cylinder gas internal-combustion engine according to involved in the present embodiment and multi-cylinder combustion engine internal combustion engine, because of the large cylinder
Diameter single cylinder gas internal-combustion engine has pre-chamber cavity shell, the precombustion chamber seat of honour, flame-thrower nozzle, precombustion chamber water jacket and water-circulating pipe
Road has intake tunnel between precombustion chamber water jacket and pre-chamber cavity shell, cooling water can be first from the water outlet of water circulation pipe
Into intake tunnel, then enters after nozzle cooling water channel is exchanged heat with flame-thrower nozzle from intake tunnel and flow into the first cooling water
Road then flows into the second cooling water channel from the first cooling water channel, and cooling water is in the first cooling water channel and the second cooling water channel middle ring
Around precombustion chamber housing fluid exchanged heat with pre-burning room housing after flow out.So the large-diameter single cylinder combustion gas internal combustion of the present embodiment
Machine and multi-cylinder gas internal-combustion engine can not only carry out cooling to pre-burning room housing and flame-thrower nozzle, radiate, and without in addition
Addition equipment can be realized as cooling water circulation use, save fund.
In addition, in the present embodiment, due to being provided with check valve in four third through-holes, pre-burning combustion gas can only be from
Three through-holes enter in pre-chamber cavity, and are unable to reverse movement, can guarantee the gas safe mixing in pre-chamber cavity, pre-burning in this way
The flame that room explosion generates, which cannot be tempered, flows into the precombustion chamber seat of honour and its pipeline, to guarantee the safe operation of internal combustion unit.
In addition, in the present embodiment, since the outer wall of the lower part at the precombustion chamber seat of honour is equipped with third annular groove, third annular
The inner wall that groove is equipped with O-ring and pre-chamber cavity shell seals, enable the precombustion chamber seat of honour completely with pre-chamber cavity shell
Body palette, prevents cooling air from leaking out, and prevents from causing danger in pre-burning, extends the precombustion chamber seat of honour and pre-chamber cavity shell
Service life.
In addition, in the present embodiment, due to being provided with inserting of can plugging between cylinder head inner wall and precombustion chamber water jacket
Geosynclinal block, when introducing cooling water for a long time from engine cycle pipeline, the scale in cooling water can remain in the through-hole of slot block
In, cooling effect is likely to impacted, at this point it is possible to extract slot block and clean to it, enables cooling water suitable
Smooth slave intake tunnel enters, and cooling efficiency is got higher.
In addition, in the present embodiment, since Intaker controller can at regular time and quantity control fuel gas air inlet, from
And the waste of fuel gas is avoided, the thermal efficiency of fuel gas is got higher.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
Claims (10)
1. a kind of large-diameter single cylinder gas internal-combustion engine, including cylinder and it is arranged on the cylinder and the cylinder with inner cavity
Lid, which is characterized in that further include:
Water cooling pre-burning device is arranged on the cylinder, for light jet out flames after the pre-burning combustion gas being passed through it is described to light
The indoor cylinder combustion gas of the burning of cylinder；
Water circulation pipe has water inlet end and water outlet, for conveying cooling water, the water inlet end and the water outlet respectively with
The water cooling pre-burning device connection；
Water circulating pump is arranged on the water-circulating pipe road, for pumping cooling water；And
Intaker controller, with air inlet, the first outlet that is connected to the water cooling pre-burning device and with the combustion chamber
The second outlet of connection, for controlling the air inflow of the pre-burning combustion gas and the cylinder combustion gas,
Wherein, the water cooling pre-burning device includes:
Pre-chamber cavity shell is embedded in the inner cavity of the cylinder head, and inside has pre-chamber cavity,
The precombustion chamber seat of honour is arranged in the inner cavity of the cylinder head, and one end is connect with the pre-chamber cavity shell, and inside, which has, to be used
In the through hole of installation spark plug, the spark plug is used to generate electric spark to light the pre-burning combustion gas,
Flame-thrower nozzle is removably mounted on the pre-chamber cavity shell, including the cylindrical tube with cavity, the cylindrical drum
The passage of flame of a plurality of perforation is provided on body and several nozzle cooling waters of the setting that is staggered with a plurality of passage of flame
Road；
Precombustion chamber water jacket covers on the pre-chamber cavity shell and the precombustion chamber seat of honour, and outer wall is interior with the cylinder head
First through hole is provided between wall, the first through hole as intake tunnel,
The outer wall of the inner wall of the precombustion chamber water jacket and the pre-chamber cavity shell has a first annular gap, and this first annular
Gap is connected to as the first cooling water channel with the nozzle cooling water channel,
Multiple second through-holes are provided in the wall at the precombustion chamber seat of honour, second through-hole is as the second cooling water channel, one end
It is connected to first cooling water channel,
It is additionally provided at least one third through-hole in the wall at the precombustion chamber seat of honour, the third through-hole is as blast tube, one
End is connected to the pre-chamber cavity,
The intake tunnel is introduced into cooling water into the nozzle cooling water channel by the water circulation pipe, and the cooling water is from described
Nozzle cooling water channel is flowed into first cooling water channel, then is flowed into second cooling water channel from first cooling water channel
After be discharged,
The pre-chamber cavity introduces pre-burning combustion gas from the blast tube, and the pre-burning combustion gas is lighted a fire production in the pre-chamber cavity
It lights a fire flame, which sprays from the passage of flame.
2. large-diameter single cylinder gas internal-combustion engine according to claim 1, which is characterized in that further include:
Gas inlet device is connected to the air inlet of the Intaker controller, be used for delivery of fuel gas, including gas inlet pipe with
And the bracket for fixing the gas inlet pipe.
3. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that:
Wherein, the Intaker controller includes the air inlet valve body with cavity, which has three mouths, respectively as
The air inlet of the Intaker controller, the first outlet and the second outlet,
Gas inlet door, gas inlet spring, gas inlet are disposed in the cavity of the air inlet valve body from top to bottom to endure
Bar and combustion gas camshaft.
4. large-diameter single cylinder gas internal-combustion engine according to claim 3, it is characterised in that:
Wherein, the Intaker controller further includes adjusting nut, which is arranged under the gas inlet spring
End, adjusts the gas inlet amount on the gas inlet door for adjusting the stroke of the gas inlet spring.
5. large-diameter single cylinder gas internal-combustion engine according to claim 3, it is characterised in that:
Wherein, it is provided with adjusting window on the side wall of the air inlet valve body lower portion, is hinged with transparent glass on the adjusting window
Plate, the glass plate are used to observe the regulated quantity of adjusting nut.
6. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that:
Wherein, the first outlet is connected to by pre-burning fuel gas pipeline with the blast tube, and the second outlet passes through cylinder
Fuel gas pipeline and the combustion chamber.
7. large-diameter single cylinder gas internal-combustion engine according to claim 6, it is characterised in that:
Wherein, metering pin valve with tolerance is set on the pre-burning fuel gas pipeline, which is passed through described for adjusting
The ventilatory capacity of the pre-burning combustion gas of water cooling pre-burning device.
8. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that:
Wherein, the water cooling pre-burning device further includes precombustion chamber briquetting, and the precombustion chamber briquetting is another with the precombustion chamber seat of honour
End is fixedly connected, and for fixing the precombustion chamber seat of honour and the precombustion chamber water jacket, is provided with and is connected with air inlet channel
Logical air inlet hole.
9. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that:
Wherein, the flame-thrower nozzle further includes installation set, and the outer diameter of the installation set is greater than the outer diameter of the cylindrical tube,
The outer wall of the upper end of the installation set is provided with annular groove, and the annular groove is for installing sealing shroud and the precombustion chamber water jacket
Sealing,
The upper end of the installation set and the lower part of the pre-chamber cavity shell are socketed, for sealing.
10. a kind of multi-cylinder gas internal-combustion engine characterized by comprising
At least two large-diameter single cylinder gas internal-combustion engines；And
Combustion engine general pipeline is connected to the single cylinder gas internal-combustion engine, for introducing combustion gas from external fuel gas source and being supplied to described
Large-diameter single cylinder gas internal-combustion engine,
Wherein, the large-diameter single cylinder gas internal-combustion engine is large-diameter single cylinder combustion gas described in any one of claim 1~9
Internal combustion engine.
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| CN201710176781.3A CN106894876B (en) | 2017-03-23 | 2017-03-23 | Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine |
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| CN201710176781.3A CN106894876B (en) | 2017-03-23 | 2017-03-23 | Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine |
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| CN106894876B true CN106894876B (en) | 2019-09-06 |
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| KR20210008318A (en) * | 2019-07-11 | 2021-01-21 | 만 에너지 솔루션즈, 필리알 아프 만 에너지 솔루션즈 에스이, 티스크란드 | Internal combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762835A (en) * | 2009-12-22 | 2012-10-31 | 康明斯有限公司 | Pre-combustion device for an internal combustion engine |
| CN102840024A (en) * | 2011-06-22 | 2012-12-26 | 卡特彼勒发动机有限责任两合公司 | Pre-combustion chamber tip |
| CN203717108U (en) * | 2014-03-03 | 2014-07-16 | 潍柴西港新能源动力有限公司 | Precombustion generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20160348570A1 (en) * | 2015-05-26 | 2016-12-01 | Caterpillar Inc. | Fuel Combustion System, Nozzle for Prechamber Assembly Having Coolant Passage in Communication with Orifice Passage, and Method of Making Same |
| US20160252007A1 (en) * | 2016-05-09 | 2016-09-01 | Caterpillar Inc. | Pre-chamber assembly for engine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762835A (en) * | 2009-12-22 | 2012-10-31 | 康明斯有限公司 | Pre-combustion device for an internal combustion engine |
| CN102840024A (en) * | 2011-06-22 | 2012-12-26 | 卡特彼勒发动机有限责任两合公司 | Pre-combustion chamber tip |
| CN203717108U (en) * | 2014-03-03 | 2014-07-16 | 潍柴西港新能源动力有限公司 | Precombustion generator |
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Denomination of invention: Large bore single cylinder gas engine and multi cylinder gas engine Effective date of registration: 20211008 Granted publication date: 20190906 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU SHENGYUAN GAS POWER Co.,Ltd. Registration number: Y2021980010372 |
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Denomination of invention: Large-bore single-cylinder gas internal combustion engines and multi-cylinder gas internal combustion engines Effective date of registration: 20220909 Granted publication date: 20190906 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU SHENGYUAN GAS POWER CO.,LTD. Registration number: Y2022980014930 |
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