CN204716399U - Gas engine - Google Patents
Gas engine Download PDFInfo
- Publication number
- CN204716399U CN204716399U CN201520431142.3U CN201520431142U CN204716399U CN 204716399 U CN204716399 U CN 204716399U CN 201520431142 U CN201520431142 U CN 201520431142U CN 204716399 U CN204716399 U CN 204716399U
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- Prior art keywords
- cylinder
- firing chamber
- turbine
- jet pipe
- gas engine
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- 238000010304 firing Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000000446 fuel Substances 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 37
- 239000000295 fuel oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a kind of gas engine, comprise cylinder, jet pipe and turbine, one end of cylinder is connected with jet pipe, turbine is rotatable is arranged at jet pipe inside, the other end of described cylinder is provided with at least one firing chamber, firing chamber and cylinders lead to, and firing chamber is provided with suction port and ignition mechanism, is provided with changeover valve between firing chamber and cylinder.The beneficial effects of the utility model are that structure is simple, fuel combustion is complete, energy utilization rate is high, when being especially applicable to being applied to emergency power generating or field survivorship state.
Description
Technical field
The utility model belongs to engine art, especially relates to a kind of gas engine, provides power for combustion fuel, promotes turbine wheel and rotates, to provide rotation function or electric energy.
Background technique
Gas turbine is with the gas of continuous-flow for working medium impeller High Rotation Speed, is the internal combustion type dynamic power machine of useful work by the energy conversion of fuel, is a kind of rotary vane type heat engine.The working principle of steam turbine is exactly that steam is ejected on the blade of steam turbine in simple terms, promotes blade rotation, thus turbine is rotated.
The working procedure of gas turbine is, gas compressor (i.e. compressor) sucks air continuously and compressed from air; Air after compression enters firing chamber, and the fuel mix after-combustion with spraying into, becomes high-temperature fuel gas, flows into expansion work in gas turbine immediately, promotes turbine wheel and rotates together with compressor impeller; The acting ability of the high-temperature fuel gas after heating significantly improves, and thus gas turbine is while drive gas compressor, still has complementary work as the output mechanical work of gas turbine.When gas turbine is by standing start, need with starter motor with rotation, after accelerating to energy independent operating, starter motor is just thrown off.
Existing gas-turbine combustion chamber is directly connected with spray tail pipe, and the fuel oil in firing chamber does not just spray from spraying tail pipe through perfect combustion, and not clean-burning combustion gas also can mix with the fuel oil sprayed into and again burns, and oil consumption is increased.And combustion gas directly sprays from spray tail pipe, the pressure of ejection gas is little, so also little to the Driving force of wind wheel generation when spraying, the rotation function produced is also little, and have heat waste, efficiency is not high enough, decrease in efficiency is fast at part load, and fuel consumption time unloaded is high.Meanwhile, existing gas turbine needs to configure gas compressor, bulky, complex structure, can not adapt to application when emergency power generating or field survivorship state.
Model utility content
The purpose of this utility model is to provide the gas engine that a kind of structure is simple, fuel combustion is complete, energy utilization rate is high, when being especially applicable to being applied to emergency power generating or field survivorship state.
The technical solution of the utility model is:
Gas engine, comprise cylinder, jet pipe and turbine, one end of cylinder is connected with jet pipe, turbine is rotatable is arranged at jet pipe inside, the other end of described cylinder is provided with at least one firing chamber, firing chamber and cylinders lead to, and firing chamber is provided with suction port and ignition mechanism, is provided with changeover valve between firing chamber and cylinder.
When the utility model gas engine uses, changeover valve is closed, be not communicated with between firing chamber with cylinder, firing chamber forms an airtight chamber, passes into the mixed gas of fuel oil and air from suction port to combustion chamber, ignition device, changeover valve is opened simultaneously, is connected between firing chamber with cylinder, and a large amount of high temperature and high pressure gas that in firing chamber, fuel oil and air burning produce enter jet pipe by cylinder instantaneously, the turbine promoted in jet pipe rotates, and produces rotation function.After high temperature and high pressure gas sprays, changeover valve is closed, and repeats above-mentioned work cycle.The utility model gas engine structure is simple, volume is little, fuel combustion is complete, and oil consumption is low, and working efficiency is high.
The other end of described cylinder is provided with multiple firing chamber, and one end of described firing chamber is provided with suction port and ignition mechanism, and the other end of described firing chamber is connected with cylinder sidewall, and multiple firing chamber is around the uniform setting of cylinder sidewall.
Multiple firing chamber can take turns to operate, and improves the working efficiency of gas engine further.
Described changeover valve comprises running shaft, motor and valve core, valve core is the cylindrical body matched with cylinder, valve core is rotatable is arranged on cylinder top, the upper end of valve core is connected with motor by running shaft, the lower sides of valve core is provided with the groove matched with firing chamber, and the upper end of groove and firing chamber flush.
When changeover valve is closed, the side surface of cylindrical body valve core matches with firing chamber, is not communicated with between firing chamber with cylinder.When changeover valve is opened, the groove of valve core side surface matches with firing chamber, is connected between firing chamber with cylinder by the gap between groove with cylinder inner wall.
The upper end outer surface of cylinder is provided with outside thread, and valve core is arranged in cylinder by locking nut, and running shaft is provided with snap ring, and the diameter that the aperture of locking nut is less than snap ring is greater than the diameter of running shaft, and snap ring is positioned at outside locking nut.
Described cylinder top is provided with at least four even number firing chambers, the lower sides of described valve core is arranged with two grooves matched with firing chamber.
Adopt the valve core being provided with two grooves that two relative firing chambers can be made to lead to cylinders, burn generation high temperature and high pressure gas simultaneously in two relative firing chambers, improves the output power of gas engine simultaneously simultaneously.
Described jet pipe is taper type, and jet pipe small end and cylinders connect, and described turbine is the taper shape matched with jet pipe.
Conical turbine matches with frustoconic shape jet pipe, and the path that high temperature and high pressure gas passes through is handed over little, and the Driving force of generation is large, and the energy conversion efficiency of gas engine is high.
The large end end of described jet pipe is provided with sealing bottom surface, and the middle part of sealing bottom surface is provided with turbine axis hole, and turbine shaft is arranged through turbine axis hole, and the sidewall of the large end of described jet pipe is provided with relief opening, and described relief opening is provided with outlet valve.
Promote the high temperature and high pressure gas after turbine rotation to discharge from the relief opening jet pipe sidewall, gas in jet pipe can only be discharged under the centrifugal action of turbine by rotary motion, prevent the gas in jet pipe from directly discharging from nozzle-end, further increase the rotational velocity of turbine, improve the working efficiency of whole gas engine.
The large end outside of described jet pipe is provided with cylindrical shape and installs hub, and installation hub and jet pipe are coaxially arranged, and installs hub central coaxial and is provided with bearing, and be connected by supporting spoke between bearing with installation hub, turbine shaft is rotatable to be arranged on bearing.
Described jet pipe small end is connected by flange with between cylinder.
Flange joint between jet pipe and cylinder, installation and maintenance are convenient.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, gas engine volume is little, lightweight, and structure is simple, uses convenient; There is fuel combustion complete, energy utilization rate advantages of higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the A-A ' sectional drawing of Fig. 1
Fig. 3 is the utility model valve core structural representation
Fig. 4 the utility model valve core cross section structure schematic diagram
Fig. 5 the utility model turbine plan view
Fig. 6 the utility model installs hub structure schematic diagram
In figure:
1, cylinder 2, jet pipe 3, conical shell 4, firing chamber 5, ignition mechanism
6, suction port 7, valve core 8, groove 9, electrode 10, running shaft
11, snap ring 12, locking nut 13, turbine wheel 14, turbine shaft 15, support spoke
16, hub 17, bearing 18, sealing bottom surface 19, relief opening 20, outlet valve are installed
Embodiment
As shown in Figure 1, the utility model gas engine, comprise cylinder 1, jet pipe 2 and turbine, one end of cylinder 1 is connected with jet pipe 2, turbine is rotatable is arranged at jet pipe 2 inside, and the other end of cylinder 1 is provided with at least one firing chamber 4, and firing chamber 4 is connected with cylinder 1, firing chamber 4 is provided with suction port 6 and ignition mechanism 5, is provided with changeover valve between firing chamber 4 and cylinder.Can Flange joint be passed through between jet pipe 2 and cylinder 1, also can directly weld together.
Jet pipe 2 can be taper type, and jet pipe 2 small end is connected with cylinder 1, and turbine is the taper shape matched with jet pipe 2.Comprise conical shell 3, multiple turbine wheel 13 and turbine shaft 10, turbine shaft 10 is arranged along conical shell 3 axle center, is connected between turbine shaft 10 with conical shell 3 madial wall by spoke.As shown in Figure 5, multiple turbine wheel 13 is along the distribution of conical shell 3 surface uniform, and the overall outer profile of multiple turbine wheel 13 is conical, and turbine wheel 13 is arranged around conical shell 3 surface twist.Jet pipe 2 greatly end is provided with cylindrical shape installation hub 16, as shown in Figure 6, hub 16 is installed and coaxially arranges with jet pipe 2, hub 16 central coaxial is installed and is provided with bearing 17, be connected by supporting spoke 15 between bearing 17 with installation hub 16, turbine shaft 14 is rotatable to be arranged on bearing 17.The large end end of jet pipe 2 can be provided with sealing bottom surface 18, and the middle part of sealing bottom surface 18 is provided with turbine axis hole, and turbine shaft 14 is arranged through turbine axis hole.The sidewall that jet pipe 2 is held greatly is provided with relief opening 19, and relief opening 19 is provided with outlet valve 20.
As shown in figures 2 or 4, the other end of cylinder 1 is provided with multiple firing chamber 4, and one end of firing chamber 4 is provided with suction port 6 and ignition mechanism 5, and the other end of firing chamber 4 is connected with cylinder 1 sidewall, and multiple firing chamber 4 is around the uniform setting of cylinder 1 sidewall.Changeover valve comprises running shaft 10, motor 9 and valve core 7.As shown in Figure 3, valve core 7 is the cylindrical body matched with cylinder 1, valve core 7 is rotatable is arranged on cylinder 1 top, the upper end of valve core 7 is connected with motor 9 by running shaft 10, the lower sides of valve core 7 is provided with the groove 8 matched with firing chamber 4, and the upper end of groove 8 and firing chamber 4 flush.As shown in Figure 4, cylinder 1 top can be provided with at least four even number firing chambers 4, with matching, and the lower sides of valve core 7 is arranged with two grooves 8 matched with firing chamber 4.Such motor 9 drives valve core 7 to rotate by running shaft 10, two firing chambers 4 can be made simultaneously to be connected with cylinder 1, improve the working efficiency of gas engine.
As shown in Figure 1, the upper end outer surface of cylinder 1 is provided with outside thread, and valve core 7 is arranged in cylinder by locking nut 12, and running shaft 10 is provided with snap ring 11, the diameter that the aperture of locking nut 12 is less than snap ring 11 is greater than the diameter of running shaft 10, and snap ring 11 is positioned at outside locking nut 12.
The working procedure of this example: changeover valve is closed, the mixed gas of fuel oil and air is filled with firing chamber 4 from suction port 6, after inflation, ignition mechanism 5 is lighted a fire, simultaneously, motor 9 drives valve core 7 to continue to rotate by running shaft 10, the groove 8 of valve core 7 matches with firing chamber 4, firing chamber 4 is connected with cylinder 1, fuel oil blast in firing chamber 4 produces a large amount of high temperature and high pressure gas, cylinder 1 is entered by the gap between valve core 7 groove 8 and cylinder 1 madial wall from firing chamber 4, when jet pipe 2, blow turbine wheel 13, turbine is rotated, produce rotation function.Outlet valve 20 on the wall of jet pipe 2 large side is opened, and the high temperature and high pressure gas after acting is discharged from the relief opening 19 wall of jet pipe 2 large side.Motor 9 drives valve core 7 to continue to rotate by running shaft 10, and match in the firing chamber 4 that groove 8 is adjacent with this firing chamber 4, said process is repeated in next firing chamber 4.By the rotation of changeover valve, the groove 8 of valve core 7 matches from different firing chambers 4, inflates in turn, lights a fire, explodes in multiple firing chamber 4, promotes turbine and rotates, further increase the working efficiency of gas engine.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (10)
1. gas engine, comprise cylinder, jet pipe and turbine, one end of cylinder is connected with jet pipe, turbine is rotatable is arranged at jet pipe inside, it is characterized in that: the other end of described cylinder is provided with at least one firing chamber, firing chamber and cylinders lead to, and firing chamber is provided with suction port and ignition mechanism, is provided with changeover valve between firing chamber and cylinder.
2. gas engine according to claim 1, it is characterized in that: the other end of described cylinder is provided with multiple firing chamber, one end of described firing chamber is provided with suction port and ignition mechanism, and the other end of described firing chamber is connected with cylinder sidewall, and multiple firing chamber is around the uniform setting of cylinder sidewall.
3. gas engine according to claim 1, it is characterized in that: described changeover valve comprises running shaft, motor and valve core, valve core is the cylindrical body matched with cylinder, valve core is rotatable is arranged on cylinder top, the upper end of valve core is connected with motor by running shaft, the lower sides of valve core is provided with the groove matched with firing chamber, and the upper end of groove and firing chamber flush.
4. gas engine according to claim 3, it is characterized in that: the upper end outer surface of cylinder is provided with outside thread, valve core is arranged in cylinder by locking nut, running shaft is provided with snap ring, the diameter that the aperture of locking nut is less than snap ring is greater than the diameter of running shaft, and snap ring is positioned at outside locking nut.
5. gas engine according to claim 3, is characterized in that: described cylinder top is provided with at least four even number firing chambers, the lower sides of described valve core is arranged with two grooves matched with firing chamber.
6. the gas engine according to claim 1-5 any one, is characterized in that: described jet pipe is taper type, and jet pipe small end and cylinders connect, and described turbine is the taper shape matched with jet pipe.
7. gas engine according to claim 6, it is characterized in that: described turbine comprises conical shell, multiple turbine wheel and turbine shaft, described turbine shaft is arranged along conical shell axle center, be connected by spoke between turbine shaft with conical shell madial wall, described multiple turbine wheel distributes along conical shell surface uniform, the overall outer profile of multiple turbine wheel is conical, and described turbine wheel is arranged around conical shell surface twist.
8. gas engine according to claim 7, it is characterized in that: the large end end of described jet pipe is provided with sealing bottom surface, and the middle part of sealing bottom surface is provided with turbine axis hole, and turbine shaft is arranged through turbine axis hole, the sidewall of the large end of described jet pipe is provided with relief opening, and described relief opening is provided with outlet valve.
9. gas engine according to claim 7, it is characterized in that: the large end outside of described jet pipe is provided with cylindrical shape and installs hub, installation hub and jet pipe are coaxially arranged, hub central coaxial is installed and is provided with bearing, be connected by supporting spoke between bearing with installation hub, turbine shaft is rotatable to be arranged on bearing.
10. gas engine according to claim 7, is characterized in that: described jet pipe small end is connected by flange with between cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431142.3U CN204716399U (en) | 2015-06-19 | 2015-06-19 | Gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431142.3U CN204716399U (en) | 2015-06-19 | 2015-06-19 | Gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716399U true CN204716399U (en) | 2015-10-21 |
Family
ID=54315402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431142.3U Expired - Fee Related CN204716399U (en) | 2015-06-19 | 2015-06-19 | Gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173612A (en) * | 2019-11-05 | 2020-05-19 | 浙江海洋大学 | gas engine |
-
2015
- 2015-06-19 CN CN201520431142.3U patent/CN204716399U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173612A (en) * | 2019-11-05 | 2020-05-19 | 浙江海洋大学 | gas engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |