CN106894876A - 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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- CN106894876A CN106894876A CN201710176781.3A CN201710176781A CN106894876A CN 106894876 A CN106894876 A CN 106894876A CN 201710176781 A CN201710176781 A CN 201710176781A CN 106894876 A CN106894876 A CN 106894876A
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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
-
- 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
-
- 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
-
- 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 invention provides a kind of large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine, including cylinder and cylinder head, it is characterised in that also include：Water-cooled pre-burning device, is arranged on cylinder, for lighting the cylinder combustion gas for jetting out flames after the pre-burning combustion gas being passed through to come in the combustion chamber of some gas cylinders；Water circulation pipe, with water inlet end and water side, for conveying cooling water, water inlet end and water side connect with water-cooled pre-burning device respectively；Water circulating pump, is arranged on water circulation pipe, for pumping cooling water；And Intaker controller, the first outlet connected with water-cooled pre-burning device with air inlet and the second outlet with combustion chamber, air inflow for controlling pre-burning combustion gas and cylinder combustion gas, large-diameter single cylinder gas internal-combustion engine of the invention and multi-cylinder gas internal-combustion engine can not only be cooled down to pre-burning room housing and flame-thrower nozzle, be radiated, and cooling water circulation utilization is can be realized as without addition equipment in addition, save fund.
Description
Technical field
The present invention relates to internal combustion engine, and in particular to a kind of large-diameter single cylinder gas internal-combustion engine and comprising the large-diameter single cylinder
The multi-cylinder gas internal-combustion engine of gas internal-combustion engine.
Background technology
Huge discharge gas internal-combustion engine typically uses precombustion-chamber ignition technology, after a small amount of fuel gas is conveyed to precombustion chamber,
Spark plug in pre-burning room housing produces the mixture of spark ignition fuel gas and air to produce flame and sprayed by nozzle,
The flame of ejection ignites substantial amounts 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 brought into close contact with pre-burning room housing, forms an integral thickness larger
Structure, pre-burning room housing almost completely cuts off with the external world, radiating effect extreme difference, and causes precombustion chamber after the work of a period of time, in advance
The temperature for firing 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 occurs many problems, on the one hand, too high temperature is possible to reach fuel gas and mixes
The burning-point of compound, such that fuel gas mixture will burn immediately when being contacted with housing, without by spark plug
The control of igniting, that is to say, that the pre-burning room housing of high temperature can cause to be burnt always inside gas internal-combustion engine, and can not be by spark
Plug lights a fire normally to control simultaneously work by combustion, i.e., can not normally work.On the other hand, too high temperature, can cause pre-burning
Room nozzle melts damage because of overheat or the direction of spray orifice shifts, and causes internal combustion engine cisco unity malfunction.
In addition, the high temperature of spark plug can also cause that igniting is dangerous, gently then leap up fiery phenomenon, more serious words, may
Burst because of thermal deformation, the service life of spark plug can also be greatly shortened.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that a kind of radiating efficiency of offer is high, can allow pre-
Combustion room housing, spark plug, precombustion chamber nozzle carry out effective temperature-reducing, the large-diameter single cylinder gas internal-combustion engine of radiating and multi-cylinder combustion gas
Internal combustion engine.
The invention provides a kind of large-diameter single cylinder gas internal-combustion engine, including cylinder and it is arranged on cylinder and with interior
The cylinder head in chamber, it is characterised in that also include：Water-cooled pre-burning device, is arranged on cylinder, for lighting the pre-burning combustion gas being passed through
Jet out flames the cylinder combustion gas come in the combustion chamber of some gas cylinders afterwards；Water circulation pipe, with water inlet end and water side, for defeated
Cooling water is sent, water inlet end and water side connect with water-cooled pre-burning device respectively；Water circulating pump, is arranged on water circulation pipe, uses
In pumping cooling water；And Intaker controller, the first outlet connected with water-cooled pre-burning device with air inlet and with combustion
The second outlet of burning room connection, the air inflow for controlling pre-burning combustion gas and cylinder combustion gas, wherein, water-cooled pre-burning device includes：
Pre-chamber cavity housing, is embedded in the inner chamber of cylinder head, and inside has pre-chamber cavity, and the precombustion chamber seat of honour is arranged on cylinder head
In inner chamber, one end is connected with pre-chamber cavity housing, the internal through hole having for installing spark plug, flame-thrower nozzle, detachably
Ground is arranged on pre-chamber cavity housing, including the cylindrical tube with cavity, and the fire of a plurality of insertion is provided with the cylindrical tube
Flame passage and some nozzle cooling water channels of the setting that is staggered with a plurality of passage of flame；Precombustion chamber water jacket, is enclosed within pre-chamber cavity
On housing and the precombustion chamber seat of honour, first through hole is provided between its outer wall and the inwall of cylinder head, the first through hole is used as water inlet
Passage, the inwall of precombustion chamber water jacket has first annular gap with the outer wall of pre-chamber cavity housing, the first annular gap conduct
First cooling water channel is connected with nozzle cooling water channel, and multiple second through holes are provided with the wall at the precombustion chamber seat of honour, second through hole
Used as the second cooling water channel, its one end is connected with the first cooling water channel, and at least one are additionally provided with the wall at the precombustion chamber seat of honour
Three through holes, the third through-hole is connected as blast tube, its one end with pre-chamber cavity, and intake tunnel introduces cold by water circulation pipe
But water is in nozzle cooling water channel, and the cooling water 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 produces flame, the flame to be sprayed from passage of flame.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that, also include：Combustion gas
Inlet duct, connects with the air inlet of Intaker controller, for conveying fuel gas, including gas inlet pipe and for fixing
The support of gas inlet pipe.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, gas control is entered
Device processed includes the air inlet valve body with cavity, and the air inlet valve body has three mouths, respectively as the air inlet of Intaker controller
Mouth, first outlet and second outlet, are 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.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, gas control is entered
Device processed also includes adjusting nut, and the adjusting nut is arranged on the lower end of gas inlet spring, for adjusting the gas inlet
The fuel gas air inflow that the stroke of spring comes on regulating gas inlet valve.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, intake valve
Regulation window is provided with the side wall of body bottom, transparent glass plate is hinged with the regulation window, be used to observe as the glass
The regulated quantity of adjusting nut.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, first goes out
Gas port is connected by pre-burning fuel gas pipeline with blast tube, and second outlet passes through cylinder fuel gas pipeline and combustion chamber.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, pre-burning combustion
Metering pin valve with tolerance is set on air pipe, and the tolerance metering pin valve is passed through the pre-burning combustion gas of water-cooled pre-burning device for adjusting
Throughput.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, water-cooled is pre-
Combustion device also includes precombustion chamber briquetting, and the precombustion chamber briquetting 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 fresh air inlet with air inlet channel connection.
In the large-diameter single cylinder gas internal-combustion engine that the present invention is provided, can also have the feature that：Wherein, flame spray
Mouth also includes installation set, and the external diameter of the external diameter more than cylindrical tube of the installation set, the outer wall of the upper end of installation set is provided with annular
Groove, the annular groove is used to install sealing shroud and the sealing of precombustion chamber water jacket, and the upper end of installation set covers with the bottom of pre-chamber cavity housing
Connect, for sealing.
Present invention also offers a kind of multi-cylinder gas internal-combustion engine, it is characterised in that including：
At least two large-diameter single cylinder gas internal-combustion engines；And combustion engine house steward, connected with single cylinder gas internal-combustion engine, for from
Outside fuel gas source introduces combustion gas and is supplied to large-diameter single cylinder gas internal-combustion engine.
The effect of invention and effect
According to large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine involved in the present invention, because the large-diameter
Single cylinder gas internal-combustion engine has pre-chamber cavity housing, the precombustion chamber seat of honour, flame-thrower nozzle, precombustion chamber water jacket and water circulation pipe,
There is intake tunnel, cooling water first can enter from the water side of water circulation pipe between precombustion chamber water jacket and pre-chamber cavity housing
Intake tunnel, then the first cooling water channel is flowed into after being exchanged heat into nozzle cooling water channel and flame-thrower nozzle from intake tunnel, connect
From the first cooling water channel and flow into the second cooling water channel, cooling water is in the first cooling water channel and the second cooling water channel around pre-burning
Room housing flows after being exchanged heat with pre-burning room housing and flows out.So, large-diameter single cylinder gas internal-combustion engine of the invention and many
Cylinder gas internal-combustion engine can not only be cooled down to pre-burning room housing and flame-thrower nozzle, be radiated, and without adding equipment in addition
Cooling water circulation utilization is can be realized as, fund has been saved.
Brief description of the drawings
Fig. 1 is the generalized section of large-diameter single cylinder gas internal-combustion engine in embodiments of the invention；
Fig. 2 is the structural representation of Intaker controller in embodiments of the invention；
Fig. 3 is the generalized section of water-cooled pre-burning device and cylinder head in embodiments of the invention；
Fig. 4 is the sectional view in B-B directions in Fig. 3；
Fig. 5 is the sectional view in C-C directions in Fig. 3；And
Fig. 6 is the structural representation of embodiments of the invention Flame nozzle, wherein, Fig. 6 a are faced for flame-thrower nozzle
Figure, Fig. 6 b are the top view of Fig. 6 a, and Fig. 6 c are the sectional view in D-D directions in Fig. 6 b, and Fig. 6 d are the section view in E-E directions in Fig. 6 b
Figure, Fig. 6 e are the sectional view in F-F directions in Fig. 6 a.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below
Example combination accompanying drawing is applied to be specifically addressed large-diameter single cylinder gas internal-combustion engine of the invention and multi-cylinder gas internal-combustion engine.
Fig. 1 is the structural representation of large-diameter single cylinder gas internal-combustion engine in embodiments of the invention.
As shown in figure 1, single-cylinder engine 1000 includes gas inlet device 100, Intaker controller 200, water-cooled 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 support 120.
One end of gas inlet pipe 110 connects with the gas header pipe (not shown) of outside, and the other end passes through air delivering pipeline 130
Connected with the air inlet on Intaker controller 200, fuel gas is entered 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.
Support 120 is one section of steel plate in " ┘ " type, and its transverse slat part is by 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 representation of Intaker controller in embodiments of the invention.
As shown in Fig. 2 Intaker controller 200 includes air inlet valve body 210, gas inlet door 220, gas inlet spring
230th, 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 are entered into Intaker controller 200, are had respectively entered by the control of Intaker controller 200 pre-
In combustion igniter 300 and cylinder 600.
The inside of air inlet valve body 210 has cavity, and the cavity is divided into three parts, inlet chamber 211 is followed successively by from top to bottom, is supplied
Air cavity 212 and valve adjustments chamber 213.Inlet chamber 211 is connected with supply chamber 212, also has three on the wall of air inlet valve body 210
Individual opening, respectively as air inlet 214, first outlet 215 and second outlet 216.Air inlet 214 is arranged on air inlet valve body
210 top, its upper end is connected by air delivering pipeline 140 with gas inlet pipe 110, and lower end connects with inlet chamber 211.First
Outlet 215 is arranged on the side wall of air inlet valve body 210, and its left end is connected with supply chamber 212, and right-hand member passes through pre-burning fuel gas pipeline
280 connect with pre-burning igniter 300.Second outlet 216 is also disposed on the side wall of air inlet valve body 210, its left end with supply
Air cavity 212 is connected, and right-hand member is by the combustion chamber on cylinder fuel gas pipeline 290 and cylinder 400.Additionally, under air inlet valve body 210
There is a regulation window on the outer wall in portion, one piece is provided with transparent with machine glass plate 217, lucite on this regulation window
Plate 217 is articulated and connected with air inlet valve body 210, and when large-diameter single cylinder gas internal-combustion engine 1000 does not work, staff can be from this
Adjust window 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
It is the conical surface, bar portion has certain gap with the regulating bolt (not shown) for being arranged on the upper end of gas inlet tappet 250, by adjusting
The displacement for saving this regulating bolt to adjust the size in the gap so as to carry out regulating gas inlet valve, and then to control combustion gas to enter
The air inflow of valve 220, when gas inlet door 220 is closed, the conical surface and the setting of the round shank lower surface of gas inlet door 220
The conical surface of the inlet valve seat (not shown) upper surface in air inlet valve body 210 is engaged sealing such that it is able to completely cut off inlet chamber 211
With supply chamber 212, when gas inlet door 220 is opened, circle shank is mutually separated with inlet valve seat 210, and fuel gas can be from air inlet
Chamber 211 is entered into supply chamber 212.Additionally, the bar portion of gas inlet door 220 is cased with gas with the junction of the supply bottom of chamber 212
Door oil sealing, the valve oil seal is used to seal the combustion gas in supply chamber 212, in combustion gas is down drained to valve adjustments window 213,
Also, lubricating oil in sealed air valve regulation chamber 213 also not on channel to air inlet cavity 212.It is passed through in valve adjustments chamber 213 outer
The lubricating oil in portion, for lubricating 220 bar portions of gas inlet door, gas inlet spring 230 and adjusting nut 240, valve adjustments
Oil return pipe (not shown) is also associated with chamber 213, the lubricating oil being passed through can pass back into the oil system of outside by oil return pipe
In.
Gas inlet spring 230 is arranged in the bar portion of gas inlet door 220, and in working chamber 213, gas inlet
The upper and lower ends of spring 230 are provided with spring base (not marked in figure), and combustion gas can be controlled by controlling the flexible of spring
Inlet valve 220 is moved up and down so as to control the fuel gas air inflow of inlet chamber 211.
Adjusting nut 240 is arranged in the regulating bolt of the upper end of gas inlet tappet 250, regulating 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 on outside air inlet valve body 210.
Roller body assembly 260 is fixed on the lower end of gas inlet tappet 250, and it is used for being contacted with combustion gas camshaft 270.
Combustion gas camshaft 270 has a protuberance, and the protuberance is contacted with roller body assembly 260, combustion gas camshaft 270
Pass through gear drive with the bent axle 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 bent axle turns 2 circles, 270 turn of 1 circle of combustion gas camshaft.
Fig. 3 is the generalized section of water-cooled pre-burning device and cylinder head in embodiments of the invention
As shown in figure 3, water-cooled pre-burning device 300 is connected with water circulation pipe 400, introduce cold by water circulation pipe 400
But water, water-cooled pre-burning device 300 is connected with first outlet 215, and pre-burning combustion gas, pre-burning combustion are introduced by pre-burning fuel gas pipeline 280
Also there is tolerance metering pin valve 281, the tolerance metering pin valve 281 is used for adjusting the logical of the pre-burning combustion gas that is passed through on air pipe 280
Tolerance.In the present embodiment, water-cooled pre-burning device 300 is vertically embedded in the inner chamber of cylinder head 700 of internal combustion engine, and water-cooled is pre-
Combustion device 300 includes pre-chamber cavity housing 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 housing 310 is vertically embedded in the inner chamber of cylinder head 700, and it is in back taper that its inside has one
Pre-chamber cavity 311, spiral radiating fin (not shown) is welded with the outer wall of pre-chamber cavity housing 310, this dissipate
Hot fin conducts heat for strengthening pre-chamber cavity housing 310.
Fig. 4 is the cutaway view Amplified image in B-B directions in Fig. 1.
Fig. 5 is the cutaway view Amplified image in C-C directions in Fig. 1.
As shown in Fig. 3,4,5, the precombustion chamber seat of honour 320 is arranged in the inner chamber of cylinder head 700, its lower end and pre-chamber cavity
The upper end of housing 310 is fixed by socket, and the inside at the precombustion chamber seat of honour 320 has through hole, and the through hole is used for installing spark plug
321, lower end and the sealing of the internal whorl of the precombustion chamber seat of honour 320 of spark plug 321.Multiple is provided with the wall at the precombustion chamber seat of honour 320
Second through hole 322, second through hole 322 is used as the second cooling water channel.At least one is additionally provided with the wall at the precombustion chamber seat of honour 320
Third through-hole 323, the lower end of third through-hole 323 is connected with pre-chamber cavity 311.In the present embodiment, the second through hole 322 has six
Individual, six the second through holes 322 are circumferentially arranged in the wall at the precombustion chamber seat of honour 320, and third through-hole 323 has four, 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 one end of fourth hole 324 with
Pre-burning fuel gas pipeline 280 is connected, and the other end is connected with third through-hole 323, and fourth hole 324 is used as gas inlet passage.In advance
First annular groove is provided with the outer wall on the top for firing the room seat of honour 320, O-ring 325 is arranged with the first annular groove, made
Obtain the outer wall on the top at the precombustion chamber seat of honour 320 and the inner wall sealing of precombustion chamber water jacket 340；Outside the bottom at the precombustion chamber seat of honour 320
There is the second annular groove on wall, O-ring 325 is arranged with second annular groove so that the bottom at the precombustion chamber seat of honour 320
The inner sealing of outer wall and pre-chamber cavity housing 310.Additionally, being provided with check valve 326 in four third through-holes 323 so that
Pre-burning combustion gas is unidirectionally entered in pre-chamber cavity 311 from third through-hole 323.
Fig. 6 is the structural representation of embodiments of the invention Flame nozzle, wherein, Fig. 6 a are faced for flame-thrower nozzle
Figure, Fig. 6 b are the top view of Fig. 6 a, and Fig. 6 c are the sectional view in D-D directions in Fig. 6 b, and Fig. 6 d are the section view in E-E directions in Fig. 6 b
Figure, Fig. 6 e are the sectional view in F-F directions in Fig. 6 a.
As shown in Fig. 6 a-6e, flame-thrower nozzle 330 is connected with the bottom of pre-chamber cavity housing 310, and it includes installation set 331
With cylindrical tube 332.
The outer wall of the upper end of installation set 331 has annular groove (not marked in figure), be provided with annular groove O-ring 325 with it is pre-
The inner wall sealing of room water jacket 350 is fired, upper end and the lower end of pre-chamber cavity housing 310 of installation set 331 connect together, for close
Envelope connection installation set 331 and pre-chamber cavity housing 310.In the present embodiment, the external diameter of installation set 331 is 65mm.
The upper end of cylindrical tube 332 is connected with the lower end of installation set 331, and it is 1~8mm's that width is provided with its perisporium
Six spray orifices, this six spray orifices are equably arranged in the upper of sustained height of cylindrical tube 332, and this six spray orifices are logical as flame
Road 333, the flame in cylindrical tube is sprayed from passage of flame 333, and the fire with six insertions is additionally provided with cylindrical tube 332
Flame passage 333 mutually staggers and sets some nozzle cooling water channels 334, and in the present embodiment, nozzle cooling water channel 334 has six
Bar, the external diameter 35mm of cylindrical tube 332, cylindrical tube 332 is integrally formed, the width of passage of flame 333 with installation set 331
It is 5mm.
Precombustion chamber water jacket 340 is enclosed within pre-chamber cavity housing 310 and the precombustion chamber seat of honour 320, its outer wall and cylinder head 700
Inwall between be provided with the slot block 341 that can be plugged, with square first that width is 2~10mm on slot block 341
Through hole (is not drawn into) in figure, and the first through hole is entered as intake tunnel, the cooling water in water circulation pipe 400 from intake tunnel
Enter, in the present embodiment, the width of intake tunnel is 4mm.
There is first annular gap, this first between the inwall of precombustion chamber water jacket 340 and the outer wall of pre-chamber cavity housing 310
Annular gap connects 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 connection.The outer wall on the top of precombustion chamber water jacket 340 is provided with the 3rd annular groove, and O-ring is arranged with the groove
325, for the inner wall sealing with cylinder head 700.
The upper end at precombustion chamber briquetting 350 and the precombustion chamber seat of honour 320 is fixed by screw, and it is used for fixing the precombustion chamber seat of honour
320, annular effluent trough 351 is provided with precombustion chamber briquetting 350, annular effluent trough 351 is connected with the second cooling water channel, after heat exchange
Cooling water flow to annular effluent trough 351 from the second cooling water channel, then water circulation pipe flowed into by annular effluent trough 351
In 400.
Water circulation pipe 400 is used for conveying cooling water, after being exchanged heat with pre-chamber cavity housing 310 and the precombustion chamber seat of honour 320
Water is cooled down in water circulation pipe 400 and by outside air-cooler (being not drawn into figure), the 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, so as to pre-chamber cavity housing
310 and the precombustion chamber seat of honour 320 cooled down again, lowered the temperature, realize recycling for water, water circulation pipe 400 have water inlet end and
Water side, water inlet end is connected with annular effluent trough 351, and water side connects with 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 arranged on water circulation pipe 400, and it is used for pressurizeing cooling water and being pumped cooling water,
So that cooling water is entered into 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 marked in figure), cylinder sleeve 610, piston 620 and piston pin 630.Cylinder barrel is cylinder
Cylinder, it is arranged on the lower section of spray orifice.Cylinder sleeve 610 is enclosed within the inwall of cylinder barrel, and piston 620 is arranged in cylinder sleeve, piston 620
With cylinder sleeve top combustion chamber is collectively forming in cylinder head 700.The one end of piston pin 630 is connected with piston, and the other end connects with crank
Linkage connects (not marked in figure).
Cylinder head 700 is bolted on the top of cylinder 600, and 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：
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 housing
310 and flame-thrower nozzle 330 lowered the temperature, radiated.
Short arrow represents cooling water (flow) direction in Fig. 3, and the cooling water that water circulation pipe 400 is flowed into is flowed into by intake tunnel
To nozzle cooling water channel 334, then the first cooling water channel 342 entered to by nozzle cooling water channel 334, then by the first cooling water
Road 342 is flowed into the second cooling water channel, then flows to annular effluent trough 351 from the second cooling water channel, finally returns back to water circulation
Pipeline 400, this process, cooling water is contacted to the precombustion chamber seat of honour 320, pre-chamber cavity housing 310 and flame-thrower nozzle 330 simultaneously
Heat exchange, so as to lower the temperature to the precombustion chamber seat of honour 320, pre-chamber cavity housing 310 and nozzle 312, radiate.
In addition, fuel gas first enters into 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 protuberance is contacted with roller body assembly 260, gas inlet door 220 is adjusted
Section bolt jack-up, fuel gas is entered into supply chamber 212 from inlet chamber 211, and the fuel gas in supply chamber 212 passes through first outlet
Be divided into pre-burning combustion gas and cylinder combustion gas with second outlet, pre-burning combustion gas by pre-burning Gas Pipe 280 enter into pre-chamber cavity by
Plug ignition, the flame after lighting sprays from passage of flame 333, and cylinder combustion gas enters into burning by cylinder Gas Pipe 290
Flame ignition, the blast sprayed by passage of flame 333 after in room, so that band piston acting.
Used as a kind of embodiment, the present embodiment additionally provides a kind of multi-cylinder gas internal-combustion engine, and 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 connected with the fuel gas source of outside, for introducing combustion gas and being supplied to large-diameter list
Cylinder gas internal-combustion engine 1000.
The effect of embodiment and effect
Large-diameter single cylinder gas internal-combustion engine and multi-cylinder combustion engine internal combustion engine according to involved by the present embodiment, because the vat
Footpath single cylinder gas internal-combustion engine has pre-chamber cavity housing, 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 housing, cooling water can first from the water side of water circulation pipe
The first cooling water is flowed into intake tunnel, then after being exchanged heat into nozzle cooling water channel and flame-thrower nozzle from intake tunnel
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 and pre-burning room housing exchanged heat 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 be cooled down to pre-burning room housing and flame-thrower nozzle, be radiated, and without in addition
Addition equipment can be realized as cooling water circulation utilization, save fund.
Additionally, 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, so ensure that the gas safe mixing in pre-chamber cavity, pre-burning
The flame that room blast is produced can not be tempered inflow the precombustion chamber seat of honour and its pipeline, so as to ensure the safe operation of internal combustion unit.
In addition, in the present embodiment, because the outer wall of the bottom at the precombustion chamber seat of honour is provided with the 3rd annular groove, the 3rd annular
Groove is provided with the inner wall sealing of O-ring and pre-chamber cavity housing so that the precombustion chamber seat of honour can intactly with pre-chamber cavity shell
Body palette, prevents cooling air from spilling, and prevents from being caused danger in pre-burning, extends the precombustion chamber seat of honour and pre-chamber cavity housing
Service life.
In addition, in the present embodiment, due to being provided with inserting of can plugging between cylinder head inwall and precombustion chamber water jacket
Geosynclinal block, when cooling water is introduced for a long time from engine cycle pipeline, the incrustation scale in cooling water can remain in the through hole of slot block
In, cooling effect be likely to it is impacted, at this point it is possible to extract slot block and it is cleaned so that cooling water can be suitable
Smooth enters from intake tunnel, and cooling effectiveness is uprised.
In addition, in the present embodiment, because Intaker controller can be controlled to fuel gas air inlet at regular time and quantity, from
And the waste of fuel gas is avoided, the thermal efficiency of fuel gas is uprised.
Above-mentioned implementation method is preferred case of the invention, is not intended to limit protection scope of the present 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 chamber
Lid, it is characterised in that also include：
Water-cooled pre-burning device, is arranged on the cylinder, jet out flames after the pre-burning combustion gas being passed through described to light for lighting
Cylinder combustion gas in the combustion chamber of cylinder；
Water circulation pipe, with water inlet end and water side, for conveying cooling water, the water inlet end and the water side respectively with
The water-cooled pre-burning device connection；
Water circulating pump, is arranged on the water circulation pipe, for pumping cooling water；And
Intaker controller, the first outlet connected with the water-cooled pre-burning device with air inlet and with the combustion chamber
The second outlet of connection, the air inflow for controlling the pre-burning combustion gas and the cylinder combustion gas,
Wherein, the water-cooled pre-burning device includes：
Pre-chamber cavity housing, is embedded in the inner chamber of the cylinder head, and inside has pre-chamber cavity,
The precombustion chamber seat of honour, is arranged in the inner chamber of the cylinder head, and one end is connected with the pre-chamber cavity housing, and inside has to be used
In the through hole for installing spark plug,
Flame-thrower nozzle, is removably mounted on the pre-chamber cavity housing, including the cylindrical tube with cavity, the cylindrical drum
The passage of flame of a plurality of insertion and some nozzle cooling waters of the setting that is staggered with a plurality of passage of flame are provided with body
Road；
Precombustion chamber water jacket, is enclosed within the pre-chamber cavity housing and the precombustion chamber seat of honour, in its outer wall and the cylinder head
First through hole is provided between wall, the first through hole as intake tunnel,
The inwall of the precombustion chamber water jacket has first annular gap with the outer wall of the pre-chamber cavity housing, this first annular
Gap is connected as the first cooling water channel with the nozzle cooling water channel,
Multiple second through holes are provided with the wall at the precombustion chamber seat of honour, second through hole is used as the second cooling water channel, its one end
Connected with first cooling water channel,
At least one third through-hole is additionally provided with the wall at the precombustion chamber seat of honour, the third through-hole is used as blast tube, one
End connects with the pre-chamber cavity,
The intake tunnel is introduced into cooling water in 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 discharge,
The pre-chamber cavity introduces pre-burning combustion gas from the blast tube, and the pre-burning combustion gas is lighted a fire product in the pre-chamber cavity
Light a fire flame, the flame sprays from the passage of flame.
2. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that also include：
Gas inlet device, the air inlet with the Intaker controller is connected, for conveying fuel gas, including gas inlet pipe
And for fixing the support of 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, and the air inlet valve body 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 with from top to bottom in the cavity of the air inlet valve body 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 also includes adjusting nut, and the adjusting nut is arranged under the gas inlet spring
End, the fuel gas air inflow on the gas inlet door is adjusted 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, regulation window is provided with the side wall of the air inlet valve body lower portion, transparent glass is hinged with the regulation window
Plate, for observing the regulated quantity of the adjusting nut as the glass.
6. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that：
Wherein, first gas outlet is connected by pre-burning fuel gas pipeline with the blast tube, and the second outlet passes through gas
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, the tolerance metering pin valve is passed through described for regulation
The throughput of the pre-burning combustion gas of water-cooled pre-burning device.
8. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that：
Wherein, the water-cooled pre-burning device also 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 logical with the air inlet
The fresh air inlet of road connection.
9. large-diameter single cylinder gas internal-combustion engine according to claim 1, it is characterised in that：
Wherein, the flame-thrower nozzle also includes installation set, and the external diameter of the installation set is more than the external 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 used to install sealing shroud and the precombustion chamber water jacket
Sealing,
The upper end of the installation set is socketed with the bottom of the pre-chamber cavity housing, for sealing.
10. a kind of multi-cylinder gas internal-combustion engine, it is characterised in that including：
At least two large-diameter single cylinder gas internal-combustion engines；And
Combustion engine house steward, connects with the single cylinder gas internal-combustion engine, for introducing combustion gas from outside fuel gas source and being supplied to described
Large-diameter single cylinder gas internal-combustion engine,
Wherein, large-diameter single cylinder combustion gas of the large-diameter single cylinder gas internal-combustion engine described in any one in 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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN106894876A true CN106894876A (en) | 2017-06-27 |
| CN106894876B CN106894876B (en) | 2019-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112211720A (en) * | 2019-07-11 | 2021-01-12 | 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) | Internal combustion engine |
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| CN102762835A (en) * | 2009-12-22 | 2012-10-31 | 康明斯有限公司 | Pre-combustion device for an internal combustion engine |
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| CN106894876B (en) | 2019-09-06 |
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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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Date of cancellation: 20220908 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 |