CN202250473U - Gas engine mixer - Google Patents
Gas engine mixer Download PDFInfo
- Publication number
- CN202250473U CN202250473U CN2011203758747U CN201120375874U CN202250473U CN 202250473 U CN202250473 U CN 202250473U CN 2011203758747 U CN2011203758747 U CN 2011203758747U CN 201120375874 U CN201120375874 U CN 201120375874U CN 202250473 U CN202250473 U CN 202250473U
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- Prior art keywords
- mixer
- fuse
- gas
- fuel ratio
- inlet
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to the technical field of engine mixers, and in particular relates to a gas engine mixer which comprises an air-fuel ratio control circuit, a mixer main body and an integrated air throttle actuator, wherein the mixer main body comprises a mixer shell and a mixer core; the mixer core comprises an inlet core and an outlet core; the mixer core is arranged in the mixer shell, and an annular cavity is formed between the mixer core and the mixer shell; an annular groove is arranged between the inlet core and the outlet core, and is communicated with the inner channel of the mixer core and the annular cavity. According to the utility model, the annular groove between the inlet core and the outlet core can be used for effectively buffering the gas flow speed, the air supply smoothness of gas is ensured, the mixed area of gas and air is increased, and the uniformity of the mixture of gas and air is improved; and the gas engine mixer provided by the utility model can control the flow rate of gas of the mixer through the integrated air throttle actuator.
Description
Technical field
The utility model relates to the engine agitator technical field, particularly relates to a kind of gas engine mixer.
Background technique
Current social development speed is swift and violent, and energy consumption is too fast, so the available energy of the many-sided exploitation of people.Rubbish landfill gas and coal-seam gas are owing to all contain methane, and methane is a kind of inflammable gas, therefore can develop.In addition, methane is a kind of greenhouse gases, and its greenhouse effect are 21 times of carbon dioxide, thus rubbish landfill gas and coal-seam gas be do not allow directly to be discharged into airborne.From using energy source and point of view of environment protection, be to utilize it to generate electricity to rubbish landfill gas and the best processing method of coal-seam gas.Yet the excursion of methane concentration is big in rubbish landfill gas and the coal-seam gas, generally between 20%～90%, changes, and the variation of this methane concentration not only can cause the variation of engine output, and can make the serious superheating phenomenon of engine producing.Simultaneously, the wide variation of methane concentration also can influence the operation stability of motor, makes the utilization efficiency of motor have a greatly reduced quality, even makes normally safe handling of motor.Therefore, when utilizing rubbish landfill gas and coal-seam gas, need control air fuel ratio.
In the existing technology, number of patent application is 200910192673.0 Chinese invention patent, discloses a kind of fuel gas mixer that can realize that air fuel ratio is accurately controlled.This fuel gas mixer comprises air fuel ratio control circuit, mixer main, reducing motor, control ratchet, spool, spool conduit; This fuel gas mixer is to utilize 8 combustion gas inlet holes of Venturi tube in the mixer main to realize combustion gas and Air mixing, and the uniformity of its mixed gas is good inadequately.In addition, this fuel gas mixer can not be controlled the flow of combustion gas in the process of operation.
The model utility content
The objective of the invention is to provides a kind of gas engine mixer to deficiency of the prior art; This gas engine mixer can improve the uniformity of combustion gas and Air mixing gas, and this gas engine mixer can be controlled the flow of combustion gas in the process of operation.
For achieving the above object, the present invention realizes through following technological scheme.
A kind of gas engine mixer comprises air fuel ratio control circuit and mixer main, also comprises integrated closure final controlling element;
Said air fuel ratio control circuit is connected with integrated closure final controlling element; Said integrated closure final controlling element is connected with mixer main;
Said mixer main comprises mixer case and mixer fuse; Said mixer fuse includes mouthful fuse and outlet fuse;
Said mixer fuse is arranged at the inside of mixer case, forms toroidal cavity between said mixer fuse and the mixer case;
Be provided with annular groove between said inlet fuse and the outlet fuse, said annular groove is communicated with the internal channel and the said toroidal cavity of said mixer fuse.
Said annular groove is formed by right groove and left groove combination, and said right groove is arranged at the outlet end of inlet fuse, and said left groove is arranged at the entry end of outlet fuse;
Said right groove is connected with said left groove fit, and is arranged at the inside of mixer case, and said right groove is arranged at the outlet end of inlet fuse, and said left groove is arranged at the entry end of outlet fuse.
The gap of said annular groove is 3mm-5mm.
The upper-end surface of said mixer case is provided with the fuel gas inlet flange, and said fuel gas inlet flange is communicated with toroidal cavity, and said fuel gas inlet flange is connected with integrated closure final controlling element.
Said integrated closure final controlling element is provided with adpting flange and closure, and said closure is arranged at the side of said adpting flange, and runs through said adpting flange, and said closure is communicated with the fuel gas inlet flange.
The cross sectional area of the internal channel ingress outermost end of said inlet fuse is 2 times of cross sectional area of the internal channel outlet port outermost end of outlet fuse.
The internal channel ingress of said inlet fuse is connected with air-strainer.
Said air fuel ratio control circuit is provided with the air fuel ratio desired value module, air fuel ratio testing module, comparison module and controller module is set;
Said air fuel ratio desired value is provided with module and is connected with said comparison module respectively with said air fuel ratio testing module, and said comparison module is connected with said controller module, and said controller module is connected with said integrated closure final controlling element;
Said air fuel ratio desired value is provided with module is confirmed internal-combustion engine according to the fuel gas generation engine conditions air fuel ratio desired value; Said air fuel ratio testing module detects and draws the air fuel ratio actual value in the current engine conditions; Said comparison module compares air fuel ratio actual value and air fuel ratio desired value; Comparative result is delivered to controller module; Said controller module outputs control signals to integrated closure final controlling element, and integrated closure final controlling element is regulated the aperture of closure, and then control gets into the flow of the combustion gas of mixer main.
Said air fuel ratio control circuit also is provided with sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit;
Said sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit are connected with said comparison module respectively, and said sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit are connected with said controller module respectively;
Said sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit are handled being delivered to controller module after relatively the comparative result of module is revised.
Beneficial effect of the present invention: a kind of gas engine mixer of the present invention comprises air fuel ratio control circuit, mixer main and integrated closure final controlling element; The air fuel ratio control circuit is connected with integrated closure final controlling element; Integrated closure final controlling element is connected with mixer main; Mixer main comprises mixer case and mixer fuse; The mixer fuse includes mouthful fuse and outlet fuse; The mixer fuse is arranged at the inside of mixer case, forms toroidal cavity between mixer fuse and the mixer case; Be provided with annular groove between inlet fuse and the outlet fuse, annular groove is communicated with the internal channel and the toroidal cavity of said mixer fuse.Annular groove among the present invention between inlet fuse and the outlet fuse can effectively cushion gas flow rate, guarantees that the air feed of combustion gas is unobstructed, has increased combustion gas and Air mixing area, has improved the uniformity of gas-air; The present invention can control the flow of the combustion gas that gets into mixer through integrated closure final controlling element, thereby makes the utility model be suitable for the big combustion gas of methane concentration excursion.
Description of drawings
Fig. 1 is an embodiment's of a kind of gas engine mixer of the utility model the structural representation of gas engine mixer.
Fig. 2 is an embodiment's of a kind of gas engine mixer of the utility model the structural representation of mixer main.
Fig. 3 is an embodiment's of a kind of gas engine mixer of the utility model the generalized section of mixer main.
Fig. 4 is an embodiment's of a kind of gas engine mixer of the utility model the structural representation of mixer fuse.
Fig. 5 is an embodiment's of a kind of gas engine mixer of the utility model the structural representation of another angle of mixer fuse.
Fig. 6 is an embodiment's of a kind of gas engine mixer of the utility model the generalized section of mixer case.
Fig. 7 is an embodiment's of a kind of gas engine mixer of the utility model the generalized section of outlet fuse.
Fig. 8 is an embodiment's of a kind of gas engine mixer of the utility model the generalized section of inlet fuse.
The reference character of Fig. 1 to Fig. 8:
101--air fuel ratio control circuit, 102--mixer main, the integrated closure final controlling element of 103--, 1--mixer case, 2--mixer fuse, 3--inlet fuse, 4--outlet fuse, 5--toroidal cavity, 6--annular groove, the right groove of 7--, 8--left side groove, 9--fuel gas inlet flange, 10--closure, 11--socket head screw, 12--O shape circle, 13--O shape circle, 14-adpting flange, D-gap.
Embodiment
In conjunction with following examples the utility model is described further.
See Fig. 1 to Fig. 8.A kind of gas engine mixer of present embodiment comprises air fuel ratio control circuit 101, mixer main 102 and integrated closure final controlling element 103; Wherein, the air fuel ratio control circuit is that application number is the air fuel ratio control circuit described in 200920061138.7 the Chinese utility model patent.Air fuel ratio control circuit 101 is controlled integrated closure final controlling element 103 according to the practical operation situation and the gas concentration of motor, and integrated closure final controlling element 103 controls get into the flow of the combustion gas of mixer main 102.
Mixer main comprises mixer case 1 and mixer fuse 2; Mixer fuse 2 is arranged at the inside of mixer case 1, forms toroidal cavity 5 between the middle part in mixer fuse 2 outsides and the mixer case 1.
Be provided with annular groove 6 between inlet fuse 3 and the outlet fuse 4, annular groove 6 is communicated with the internal channel and the toroidal cavity 5 of mixer fuse 2.Be provided with fuel gas inlet flange 9 at mixer case 1, fuel gas inlet flange 9 is communicated with toroidal cavity 5, passes through bolt between fuel gas inlet flange 9 and the integrated closure final controlling element 103.
In the present embodiment; Outlet fuse 4 is fixed on the mixer case 1 through socket head screw 11 by the rear end of mixer case 1; O shape circle 12 is installed to prevent gas leakage between outlet fuse 4 and the mixer case 1; In the front loaded mixer case 1 of inlet fuse 3 by mixer case 1, O shape circle 13 is installed between inlet fuse 3 and the mixer case 1 to prevent gas leakage.
Integrated closure final controlling element 103 is provided with adpting flange 14 and closure 10, and this closure 10 is arranged at the side of adpting flange 14, and runs through adpting flange 14, and this closure 10 is communicated with fuel gas inlet flange 9.Combustion gas gets into the toroidal cavity 5 of mixer main 102 through integrated final controlling element 103; The signal that integrated closure final controlling element 103 provides according to air fuel ratio control circuit 101 is regulated the aperture size of closure 10, and then control gets into the flow of the combustion gas of mixer main 102.Wherein, the pressure of the combustion gas of entering mixer main 102 is zero-pressure.
In the present embodiment, after the combustion gas that is adjusted into zero-pressure got into mixer main 102, the combustion gas meeting was up along toroidal cavity 5, gets into mixer fuses 2 through annular groove 6 again, and then realizes mixing with air.The internal channel ingress of inlet fuse 3 is connected with air-strainer, and air gets into inlet fuse 3 through air-strainer earlier again, and the air that gets into inlet fuse 3 then is a clean air, and clean air gets into inlet fuse 3 backs to be mixed with combustion gas.
Air fuel ratio control circuit 101 is provided with the air fuel ratio desired value module, air fuel ratio testing module, comparison module and controller module is set.The air fuel ratio desired value is provided with module is confirmed internal-combustion engine according to the fuel gas generation engine conditions air fuel ratio desired value; The air fuel ratio testing module detects and draws the air fuel ratio actual value in the current engine conditions; Comparison module compares air fuel ratio actual value and air fuel ratio desired value; Comparative result is delivered to controller module; Controller module outputs control signals to integrated closure final controlling element 103, the aperture that integrated closure final controlling element 103 is regulated closure 10, and then control gets into the flow of the combustion gas of mixer main 102.
Air fuel ratio control circuit 101 also is provided with sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit.Handle being delivered to controller module after relatively the comparative result of module is revised through sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit.
The embodiment 2 of a kind of gas engine mixer of the utility model, present embodiment and embodiment's 1 difference are that right groove 7 is 5mm with the clearance D of the annular groove 6 that left groove 8 is combined to form.Other structure and the working principle of present embodiment are identical with embodiment 1, repeat no more at this.
The embodiment 3 of a kind of gas engine mixer of the utility model, present embodiment and embodiment's 1 difference are that right groove 7 is 3mm with the clearance D of the annular groove 6 that left groove 8 is combined to form.Other structure and the working principle of present embodiment are identical with embodiment 1, repeat no more at this.
Above embodiment only be used to explain the utility model technological scheme but not to the restriction of the utility model protection domain; Although the utility model has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technological scheme of the utility model, and not break away from the essence and the scope of the utility model technological scheme.
Claims (1)
1. a gas engine mixer comprises air fuel ratio control circuit (101) and mixer main (102), it is characterized in that: also comprise integrated closure final controlling element (103);
Said air fuel ratio control circuit (101) is connected with integrated closure final controlling element (103); Said integrated closure final controlling element (103) is connected with mixer main (102);
Said mixer main (102) comprises mixer case (1) and mixer fuse (2); Said mixer fuse (2) comprises inlet fuse (3) and outlet fuse (4);
Said mixer fuse (2) is arranged at the inside of mixer case (1), forms toroidal cavity (5) between said mixer fuse (2) and the mixer case (1);
Be provided with annular groove (6) between said inlet fuse (3) and the outlet fuse (4), said annular groove (6) is communicated with the internal channel and the said toroidal cavity (5) of said mixer fuse (2).
2. a kind of gas engine mixer according to claim 1; It is characterized in that: said annular groove (6) is combined to form by right groove (7) and left groove (8); Said right groove (7) is arranged at the outlet end of inlet fuse (3), and said left groove (8) is arranged at the entry end of outlet fuse (4);
Said right groove (7) is connected with said left groove (8), and is arranged at the inside of mixer case (1), and said right groove (7) is arranged at the outlet end of inlet fuse (3), and said left groove (8) is arranged at the entry end of outlet fuse (4).
3. a kind of gas engine mixer according to claim 2 is characterized in that: the gap of said annular groove (6) is 3mm-5mm.
4. a kind of gas engine mixer according to claim 1; It is characterized in that: the upper-end surface of said mixer case (1) is provided with fuel gas inlet flange (9); Said fuel gas inlet flange (9) is communicated with toroidal cavity (5), and said fuel gas inlet flange (9) is connected with integrated closure final controlling element (103).
5. a kind of gas engine mixer according to claim 4; It is characterized in that: said integrated closure final controlling element (103) is provided with adpting flange (14) and closure (10); Said closure (10) is arranged at the side of said adpting flange (14); And running through said adpting flange (14), said closure (10) is communicated with fuel gas inlet flange (9).
6. a kind of gas engine mixer according to claim 1 is characterized in that: the cross sectional area of the internal channel ingress outermost end of said inlet fuse (3) is 2 times of cross sectional area of the internal channel outlet port outermost end of outlet fuse (4).
7. a kind of gas engine mixer according to claim 6 is characterized in that: the internal channel ingress of said inlet fuse (3) is connected with air-strainer.
8. a kind of gas engine mixer according to claim 1 is characterized in that: said air fuel ratio control circuit (101) is provided with the air fuel ratio desired value module, air fuel ratio testing module, comparison module and controller module is set;
Said air fuel ratio desired value is provided with module and is connected with said comparison module respectively with said air fuel ratio testing module, and said comparison module is connected with said controller module, and said controller module is connected with said integrated closure final controlling element (103).
9. a kind of gas engine mixer according to claim 8 is characterized in that: said air fuel ratio control circuit (101) also is provided with sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit;
Said sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit are connected with said comparison module respectively, and said sensing methane concentration device unit, exhaust gas oxygen sensor feedback unit and Feedback of Power unit are connected with said controller module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203758747U CN202250473U (en) | 2011-09-28 | 2011-09-28 | Gas engine mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203758747U CN202250473U (en) | 2011-09-28 | 2011-09-28 | Gas engine mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250473U true CN202250473U (en) | 2012-05-30 |
Family
ID=46111728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203758747U Withdrawn - After Issue CN202250473U (en) | 2011-09-28 | 2011-09-28 | Gas engine mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016210A (en) * | 2011-09-28 | 2013-04-03 | 广东力宇新能源科技有限公司 | Gas engine mixer |
| WO2017121921A1 (en) * | 2016-01-12 | 2017-07-20 | Wärtsilä Finland Oy | A fuel gas manifold assembly configured to be used in an internal combustion piston engine and an internal combustion piston engine |
| EP3739216A1 (en) * | 2019-05-14 | 2020-11-18 | ebm-papst Landshut GmbH | Inflow device for a gas blower |
-
2011
- 2011-09-28 CN CN2011203758747U patent/CN202250473U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016210A (en) * | 2011-09-28 | 2013-04-03 | 广东力宇新能源科技有限公司 | Gas engine mixer |
| CN103016210B (en) * | 2011-09-28 | 2015-12-09 | 湖南省力宇燃气动力有限公司 | A kind of gas-engine mixer |
| WO2017121921A1 (en) * | 2016-01-12 | 2017-07-20 | Wärtsilä Finland Oy | A fuel gas manifold assembly configured to be used in an internal combustion piston engine and an internal combustion piston engine |
| EP3739216A1 (en) * | 2019-05-14 | 2020-11-18 | ebm-papst Landshut GmbH | Inflow device for a gas blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG LIYU NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: DONGGUAN LIYU GAS POWER CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523935, Xin'an Road, Humen Town, Guangdong, Dongguan Province, No. 88 Patentee after: Liyu New Energy Science & Technology Co., Ltd. Address before: 523935, Dongguan City, Guangdong province Humen Town East community Xin'an Road No. 88 Dongguan City Gas Power Co., Ltd. Patentee before: Dongguan Liyu Gas Power Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liyu Gas Power Co., Ltd Assignor: Liyu New Energy Science & Technology Co., Ltd. Contract record no.: 2014430000122 Denomination of utility model: Gas engine mixer Granted publication date: 20120530 License type: Exclusive License Record date: 20140707 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN LIYU GAS POWER CO., LTD. Free format text: FORMER OWNER: GUANGDONG LIYU NEW ENERGY TECHNOLOGY CO., LTD. Effective date: 20150817 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150817 Address after: Yuelu District City, Hunan province 410000 Changsha Changsha Hunan high tech Development Zone Lugu Road No. 662 Building No. 155 software Patentee after: Liyu Gas Power Co., Ltd Address before: 523935, Xin'an Road, Humen Town, Guangdong, Dongguan Province, No. 88 Patentee before: Liyu New Energy Science & Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |