CN205260156U - Natural gas thoughtlessly fires engine air feeder with coke oven gas - Google Patents
Natural gas thoughtlessly fires engine air feeder with coke oven gas Download PDFInfo
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- CN205260156U CN205260156U CN201521119130.3U CN201521119130U CN205260156U CN 205260156 U CN205260156 U CN 205260156U CN 201521119130 U CN201521119130 U CN 201521119130U CN 205260156 U CN205260156 U CN 205260156U
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- gas
- detection sensor
- flow control
- control valve
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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 discloses a natural gas thoughtlessly fires engine air feeder with coke oven gas, its characterized in that: ware (3) are filtrated through 1# fuel in 1# gas bomb (2), 1# flow control valve (4), be connected to 1# spiral air flue (6) and blender (7) after 1# stop valve (5), ware (17) are filtrated through 2# fuel in 2# gas bomb (16), 2# flow control valve (18), be connected to 1# spiral air flue (6) and blender (7) behind the 2# stop valve solenoid valve (19), blender after passing through blender (7) at last and mixing passes through laggard cross 1# pressure detection sensors (9) of pressure relief device (8) decompression and sends into steady voltage bottle (10), the constant voltage gas mixture of storage in steady voltage bottle (10) respectively through last gas outlet A and down gas outlet B pass through 2# spiral air flue (11) and supply with during air nozzles (14) spout the cylinder through concentration detection sensor (12) and 2# pressure detection sensor (13), ECU (20) respectively with flow control valve, by the solenoid valve, pressure detection sensor and concentration detection sensor are connected. This air feeder has improved gas engine's dynamic property, economic nature and emission nature effectively.
Description
Technical field
The utility model belongs to automobile feeder technical field, relates to a kind of natural gas and oven gas mixed combustion engine feeder.
Background technology
Along with the fast development of China's economy and communication, automobile pollution also increases thereupon year by year. Automobile has also brought energy crisis and environmental pollution two large problems to us in being convenient for people to trip. According to the statistics made by the departments concerned, since 2010, the annual externally oil total amount of import of China accounts for the more than 50% of the annual consumption of petroleum total amount of China, and rapid growth year by year, makes Chinese energy safety be faced with serious threat. And frequently there is the problem of environmental pollution, serious threat people's health in some cities of a line city of China, Yangtze River Delta in recent years.
Therefore, find clean automobile-used alternative materials and become the top priority of countries in the world. In conjunction with the actual conditions of China, China is a big coal country, all can produce a lot of products of coal every year, in the process of coking, can produce a kind of subsidiary flammable gonosome---coke-oven coal (title oven gas). And these oven gas are directly after burning, to be discharged in atmosphere, not only slattern valuable resource, and have seriously polluted environment. Oven gas is that one is rich in H2Rise and CH4Gas, possess H simultaneously2And CH4Advantage, natural gas will be a kind of desirable clean fuel for vehicle after mixing with oven gas in theory. Technically, if can cross the feeder of a set of applicable oven gas of research and natural gas mixed combustion engine, to development oven gas and natural gas mixed combustion engine, significant.
Utility model content
The purpose of this utility model is: for the application of carrying out better oven gas and natural gas mixed combustion engine, provide a kind of natural gas and oven gas mixed combustion engine feeder. Can better oven gas be mixed with natural gas, and melting concn required under various operating modes can be provided. Realize good economy.
The technical solution of the utility model
A kind of natural gas and oven gas mixed combustion engine feeder, 1# gas bomb is through 1# fuel filter, 1# flow control valve, after 1# stop valve magnetic valve, be connected to 1# helical intake and blender, 2# gas bomb is through 2# fuel filter, 2# flow control valve, after 2# stop valve magnetic valve, be connected to 1# helical intake and blender, send into voltage stabilizing bottle finally by crossing blender mixed blender by the decompressor laggard mistake 1# press detection sensor that reduce pressure, the constant voltage gaseous mixture being stored in voltage stabilizing bottle sprays in cylinder through concentration detection sensor and 2# press detection sensor supply air nozzle by 2# helical intake through upper gas outlet A and lower gas outlet B respectively, ECU respectively with flow control valve, cut-off electromagnetic valve, press detection sensor is connected with concentration detection sensor.
1# gas bomb and 2# gas bomb arrange respectively 1# Pressure gauge and 2# Pressure gauge, and manometric display screen is LCDs, is arranged in instrument board.
1# gas bomb and 2# gas bomb, 1# gas bomb is on 2# gas bomb.
1# gas bomb and 2# gas bomb are stored respectively natural gas and oven gas.
The air flue of 1# helical intake and 2# helical intake is helical type.
Voltage stabilizing bottle is provided with gas outlet A and lower gas outlet B.
1# stop valve magnetic valve and 2# stop valve magnetic valve, in the time that ECU detects that feeder exists leakage, safety failure, can start cut-off electromagnetic valve automatically, ensures feeder safety.
1# press detection sensor and 2# press detection sensor, its effect, when ECU detects the pressure value P of 1# press detection sensor and 2# press detection sensor1、P2After, calculate at once the difference DELTA P of two force value0, i.e. Δ P0=P1-P2; Then with ECU in the Δ P that sets in advance compare, as Δ P > Δ P0, now ECU can make the force value of decompressor outlet increase, until Δ P=Δ P0Till; As Δ P < Δ P0, now ECU can make the force value of decompressor outlet reduce, until Δ P=Δ P0Till; As Δ P=Δ P0, now ECU can make the force value of decompressor outlet remain unchanged, and ensures feeder, is to control jet amount by jet time all the time.
Concentration detection sensor, when ECU receives the CH that concentration detection sensor detects4Concentration value CiAfter, at once with ECU in CH under the current working that sets in advance4Concentration value C0Compare, work as Ci>C0, now ECU can turn the flow and the flow that tunes up 2# flow control valve of 1# flow control valve down, until Ci=C0; Work as Ci<C0, now ECU can tune up the flow and the flow of turning 2# flow control valve down of 1# flow control valve, until Ci=C0; Work as Ci=C0, now ECU keeps the flow of 1# flow control valve and 2# flow control valve constant.
An air supply method for natural gas and oven gas mixed combustion engine feeder, comprises the following steps:
(1) 1# gas bomb and 2# gas bomb are simultaneously to feeder air feed, the air demand of two kinds of gases by ECU according to the amount of two kinds of required gases of current vehicle behavior, divide the flow of command stream control valve and two kinds of gases of control, then the gas through fuel filter and after filtering, after mixing by 1# helical intake and gaseous mixture, after reducing pressure by decompressor again, be stored in voltage stabilizing bottle, by the outside air feed in Ji Xia gas outlet, upper gas outlet of voltage stabilizing bottle, after finally again two kinds of gases being mixed by 2# helical intake, supply with air nozzle;
(2) in air feed process, the concentration detection sensor moment is detected CH in gaseous mixture4Concentration, when ECU receives the CH that concentration detection sensor detects4Concentration value CiAfter, at once with ECU in required CH under the current working that sets in advance4Concentration value C0Compare, work as Ci>C0, now ECU can turn the flow and the flow that tunes up 2# flow control valve of 1# flow control valve down, until Ci=C0; Work as Ci<C0, now ECU can tune up the flow and the flow of turning 2# flow control valve down of 1# flow control valve, until Ci=C0; Work as Ci=C0, now ECU keeps the flow of 1# flow control valve and 2# flow control valve constant;
(3) simultaneously 1# press detection sensor and 2# press detection sensor also detect in air feed process in the moment, and the pressure of gaseous mixture, when ECU detects the pressure value P of 1# press detection sensor and 2# press detection sensor1、P2After, calculate at once the difference DELTA P of two force value0, i.e. Δ P0=P1-P2; Then with ECU in the Δ P that sets in advance compare, as Δ P > Δ P0, now ECU can make the force value of decompressor outlet increase, until Δ P=Δ P0Till; As Δ P < Δ P0, now ECU can make the force value of decompressor outlet reduce, until Δ P=Δ P0Till; As Δ P=Δ P0, now ECU can make the force value of decompressor outlet remain unchanged, and ensures feeder, is to control jet amount by jet time all the time;
(4), in the time that ECU detects that feeder exists the fault such as leakage, safety, can automatically start the safety of 1# stop valve magnetic valve and 2# stop valve magnetic valve guarantee feeder.
The beneficial effects of the utility model:
Oven gas little density is stored in lower gas bomb by this feeder, and natural gas storing large density, at upper gas bomb, is taken full advantage of to the difference of oven gas and two kinds of gas densities of natural gas, promotes the mixing of two kinds of gases. Utilize the advantage of spiral inlet duct, two kinds of gases produce rotating vortex in the process of mixing fully mixes two kinds of gases simultaneously. Feeder air feed is given in the He Xia gas outlet, upper gas outlet of voltage stabilizing bottle simultaneously in addition, has solved gaseous mixture in voltage stabilizing bottle because lamination appears in density variation, causes gaseous mixture to mix inhomogeneous problem. Can effectively improve dynamic property, economy and the emission performance of gas engine.
Brief description of the drawings
Fig. 1 is structure of the present utility model and operation principle schematic diagram.
Specific embodiments
As shown in Figure 1, a kind of natural gas and oven gas mixed combustion engine feeder, 1# gas bomb 2 is through 1# fuel filter 3, 1# flow control valve 4, after 1# stop valve magnetic valve 5, be connected to 1# helical intake 6 and blender 7, 2# gas bomb 16 is through 2# fuel filter 17, 2# flow control valve 18, after 2# stop valve magnetic valve 19, be connected to 1# helical intake 6 and blender 7, send into voltage stabilizing bottle 10 finally by crossing blender 7 mixed blender by the decompressor 8 laggard 1# of the mistake press detection sensor 9 that reduces pressure, being stored in constant voltage gaseous mixture in voltage stabilizing bottle 10 supplies with air nozzle 14 by 2# helical intake 11 through concentration detection sensors 12 and 2# press detection sensor 13 through upper gas outlet A and lower gas outlet B respectively and sprays in cylinder, ECU20 respectively with flow control valve, cut-off electromagnetic valve, press detection sensor is connected with concentration detection sensor.
1# gas bomb 2 and 2# gas bomb 16 arrange respectively 1# Pressure gauge 1 and 2# Pressure gauge 15, and manometric display screen is LCDs, is arranged in instrument board.
1# gas bomb 2 and 2# gas bomb 16,1# gas bomb 2 is on 2# gas bomb 16.
1# gas bomb 2 and 2# gas bomb 16 are stored respectively natural gas and oven gas.
The air flue of 1# helical intake 6 and 2# helical intake 11 is helical type.
Voltage stabilizing bottle 10 is provided with gas outlet A and lower gas outlet B.
1# stop valve magnetic valve 5 and 2# stop valve magnetic valve 19, in the time that ECU20 detects that feeder exists leakage, safety failure, can start cut-off electromagnetic valve automatically, ensures feeder safety.
1# press detection sensor 9 and 2# press detection sensor 13, its effect, when ECU20 detects the pressure value P of 1# press detection sensor 9 and 2# press detection sensor 131、P2After, calculate at once the difference DELTA P of two force value0, i.e. Δ P0=P1-P2; Then with ECU20 in the Δ P that sets in advance compare, as Δ P > Δ P0, now ECU20 can make the force value that decompressor 8 exports increase, until Δ P=Δ P0Till; As Δ P < Δ P0, the force value that now ECU20 can make decompressor 8 export reduces, until Δ P=Δ P0Till; As Δ P=Δ P0, the force value that now ECU20 can make decompressor 8 export remains unchanged, and ensures feeder, is to control jet amount by jet time all the time.
Concentration detection sensor 12, when ECU20 receives the CH that concentration detection sensor 12 detects4Concentration value CiAfter, at once with ECU20 in CH under the current working that sets in advance4Concentration value C0Compare, work as Ci>C0, now ECU(20) can turn the flow of 1# flow control valve 4 down and tune up the flow of 2# flow control valve 18, until Ci=C0; Work as Ci<C0, now ECU20 can tune up the flow and the flow of turning 2# flow control valve 18 down of 1# flow control valve 4, until Ci=C0; Work as Ci=C0, now ECU20 keeps the flow of 1# flow control valve 4 and 2# flow control valve 18 constant.
1# gas bomb 2 and 2# gas bomb 16 are simultaneously to feeder air feed, the air demand of two kinds of gases by ECU20 according to the amount of two kinds of required gases of current vehicle behavior, divide command stream control valve 4 and 18 to control the flow of two kinds of gases, then the gas after fuel filter 3 and 17 filters, after mixing by 1# helical intake 6 and gaseous mixture 7, again by being stored in voltage stabilizing bottle 10 after decompressor 8 decompressions, by the outside air feed in Ji Xia gas outlet, upper gas outlet of voltage stabilizing bottle 10, after finally again two kinds of gases being mixed by 2# helical intake 11, supply with air nozzle 14. In air feed process, 12 moment of concentration detection sensor are detected CH in gaseous mixture4Concentration, when ECU20 receives the CH that concentration detection sensor 12 detects4Concentration value CiAfter, at once with ECU20 in required CH under the current working that sets in advance4Concentration value C0Compare. Work as Ci>C0, now ECU20 can turn the flow and the flow that tunes up 2# flow control valve 18 of 1# flow control valve 4 down, until Ci=C0; Work as Ci<C0, now ECU20 can tune up the flow of 1# flow control valve 4 and turn the flow that flows 2# control valve 18 down, until Ci=C0; Work as Ci=C0, now ECU20 keeps the flow of 1# flow control valve 4 and 2# flow control valve 18 constant. Simultaneously 1# press detection sensor 9 and 2# press detection sensor 13 also detect in air feed process in the moment, and the pressure of gaseous mixture, when ECU20 detects the pressure value P of 1# press detection sensor 9 and 2# press detection sensor 131、P2After, calculate at once the difference DELTA P of two force value0, i.e. Δ P0=P1-P2; Then with ECU20 in the Δ P that sets in advance compare. As Δ P > Δ P0, now ECU20 can make the force value that decompressor 8 exports increase, until Δ P=Δ P0Till; As Δ P < Δ P0, the force value that now ECU20 can make decompressor 8 export reduces, until Δ P=Δ P0Till; As Δ P=Δ P0, the force value that now ECU20 can make decompressor 8 export remains unchanged. Ensureing feeder, is to control jet amount by jet time all the time. In the time that ECU20 detects that feeder exists the fault such as leakage, safety, can automatically start the safety of 1# stop valve magnetic valve (5) and 2# stop valve magnetic valve (20) guarantee feeder.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing; within all should being encompassed in protection domain of the present utility model, therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. a natural gas and oven gas mixed combustion engine feeder, it is characterized in that: 1# gas bomb (2) is through 1# fuel filter (3), 1# flow control valve (4), after 1# stop valve magnetic valve (5), be connected to 1# helical intake (6) and blender (7), 2# gas bomb (16) is through 2# fuel filter (17), 2# flow control valve (18), after 2# stop valve magnetic valve (19), be connected to 1# helical intake (6) and blender (7), send into voltage stabilizing bottle (10) finally by crossing blender (7) mixed blender by decompressor (8) the laggard mistake 1# press detection sensor (9) that reduces pressure, the constant voltage gaseous mixture being stored in voltage stabilizing bottle (10) sprays in cylinder through concentration detection sensor (12) and 2# press detection sensor (13) supply air nozzle (14) by 2# helical intake (11) through upper gas outlet A and lower gas outlet B respectively, ECU(20) respectively with flow control valve, cut-off electromagnetic valve, press detection sensor is connected with concentration detection sensor.
2. natural gas according to claim 1 and oven gas mixed combustion engine feeder, it is characterized in that: 1# gas bomb (2) and 2# gas bomb (16) arrange respectively 1# Pressure gauge (1) and 2# Pressure gauge (15), manometric display screen is LCDs, is arranged in instrument board.
3. natural gas according to claim 1 and oven gas mixed combustion engine feeder, is characterized in that: 1# gas bomb (2) and 2# gas bomb (16), 1# gas bomb (2) is on 2# gas bomb (16).
4. natural gas according to claim 1 and oven gas mixed combustion engine feeder, is characterized in that: 1# gas bomb (2) and 2# gas bomb (16) are stored respectively natural gas and oven gas.
5. natural gas according to claim 1 and oven gas mixed combustion engine feeder, is characterized in that: the air flue of 1# helical intake (6) and 2# helical intake (11) is helical type.
6. natural gas according to claim 3 and oven gas mixed combustion engine feeder, is characterized in that: voltage stabilizing bottle (10) is provided with gas outlet A and lower gas outlet B.
7. natural gas according to claim 1 and oven gas mixed combustion engine feeder, it is characterized in that: 1# stop valve magnetic valve (5) and 2# stop valve magnetic valve (19), as ECU(20) detect when feeder exists leakage, safety failure, can automatically start cut-off electromagnetic valve, ensure feeder safety.
8. natural gas according to claim 1 and oven gas mixed combustion engine feeder, it is characterized in that: 1# press detection sensor (9) and 2# press detection sensor (13), its effect, works as ECU(20) pressure value P of 1# press detection sensor (9) and 2# press detection sensor (13) detected1、P2After, calculate at once the difference DELTA P of two force value0, i.e. Δ P0=P1-P2; Then with ECU(20) in the Δ P that sets in advance compare, as Δ P > Δ P0, now ECU(20) and can make the force value of decompressor (8) outlet increase, until Δ P=Δ P0Till; As Δ P < Δ P0, now ECU(20) and can make the force value of decompressor (8) outlet reduce, until Δ P=Δ P0Till; As Δ P=Δ P0, now ECU(20) and can make the force value of decompressor (8) outlet remain unchanged, ensure feeder, be to control jet amount by jet time all the time.
9. natural gas according to claim 1 and oven gas mixed combustion engine feeder, is characterized in that: concentration detection sensor (12), work as ECU(20) receive the CH that concentration detection sensor (12) detects4Concentration value CiAfter, at once with ECU(20) in CH under the current working that sets in advance4Concentration value C0Compare, work as Ci>C0, now ECU(20) can turn the flow of 1# flow control valve (4) down and tune up the flow of 2# flow control valve (18), until Ci=C0; Work as Ci<C0, now ECU(20) can tune up the flow of 1# flow control valve (4) and turn the flow of 2# flow control valve (18) down, until Ci=C0; Work as Ci=C0, now ECU(20) and keep the flow of 1# flow control valve (4) and 2# flow control valve (18) constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119130.3U CN205260156U (en) | 2015-12-30 | 2015-12-30 | Natural gas thoughtlessly fires engine air feeder with coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119130.3U CN205260156U (en) | 2015-12-30 | 2015-12-30 | Natural gas thoughtlessly fires engine air feeder with coke oven gas |
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| Publication Number | Publication Date |
|---|---|
| CN205260156U true CN205260156U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119130.3U Expired - Fee Related CN205260156U (en) | 2015-12-30 | 2015-12-30 | Natural gas thoughtlessly fires engine air feeder with coke oven gas |
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| CN (1) | CN205260156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587429A (en) * | 2015-12-30 | 2016-05-18 | 贵州大学 | Gas supply system for gas and coke-oven gas cofiring engine and gas supply method of gas supply system |
-
2015
- 2015-12-30 CN CN201521119130.3U patent/CN205260156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587429A (en) * | 2015-12-30 | 2016-05-18 | 贵州大学 | Gas supply system for gas and coke-oven gas cofiring engine and gas supply method of gas supply system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20171230 |