CN204126772U - A kind of multistage oxygen-enriching device for internal-combustion engine - Google Patents
A kind of multistage oxygen-enriching device for internal-combustion engine Download PDFInfo
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- CN204126772U CN204126772U CN201420595904.9U CN201420595904U CN204126772U CN 204126772 U CN204126772 U CN 204126772U CN 201420595904 U CN201420595904 U CN 201420595904U CN 204126772 U CN204126772 U CN 204126772U
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- oxygen
- magnetic switch
- nitrogen oxygen
- impeller
- separator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Exhaust Gas After Treatment (AREA)
- Supercharger (AREA)
Abstract
The utility model discloses a kind of multistage oxygen-enriching device for internal-combustion engine, it comprises: pressurized machine, pressure inlet, multiple prevention valve, multiple nitrogen oxygen separator and air duct; Described pressurized machine comprises turbine and impeller, and the suction port of turbine is connected with exhaust gases of internal combustion engines pipe, and the suction port of impeller is communicated with air, and the air outlet of impeller is communicated with pressure inlet; Described prevention valve is arranged in pressure inlet, and each prevention valve is connected with a magnetic switch A, and all magnetic switch A are all electrically connected with a relay A parallel connection; Described nitrogen oxygen separator is arranged in the air duct after stoping valve, and each nitrogen oxygen separator is connected with a magnetic switch B, and all magnetic switch B are all electrically connected with a relay B parallel connection.The utility model can realize oxygen enrichment step by step according to engine load situation, not only avoid the energy waste problem that simple oxygen enrichment or single-stage oxygen enrichment cause, and achieves the recycling of tail gas, reduce toxic emission.
Description
Technical field
The utility model relates to a kind of multistage oxygen-enriching device for internal-combustion engine, belongs to energy-saving environmental protection device technical field.
Background technique
The haze weather in short supply and increasing of petroleum resources, people are attributed to the automobile that modern society uses in a large number etc. simultaneously and are relied on oil-engine driven equipment, therefore, the device of various increasing combustion engine power and improvement and process exhaust emissions just arises at the historic moment.
Increasing combustion engine power generally adopts many spray fuel oils and turbo charged mode, and improving and processing exhaust gases of internal combustion engines is generally the method using three-element catalytic, but these conventional methods all can not effectively solve energy crisis and environmental problem.
Internal-combustion engine oxygen-enriched combusting has now become the effective ways increasing engine output and reduce discharge.Internal-combustion engine oxygen enrichment technology adopts oxygen-enriching device that the oxygen content in air inlet is increased, fuel molecule fully mixed, Thorough combustion with oxygen molecule, thus increase output torque, the discharge of reduction harmful gas.In prior art, the method for existing multiple oxygen enrichment, wherein, the nitrogen oxygen separation membrane adopting polymer composite to make carries out the method for oxygen enrichment, is applied in some fields.Commercially available nitrogen oxygen separation membrane is under 1.5 barometric pressure, and oxygen passing rate can be greater than 24% (percent by volume).
But, internal-combustion engine adopts oxygen enriching method that is simple or single-stage can cause oxygen enrichment in unnecessary oxygen-enriched combusting and tail gas, namely when engine load is lower, if oxygen content is higher in air inlet, energy consumption then will be caused to increase, and oxygen content exceeds standard in exhaust, real energy saving can not be reached and reduce the object of discharging.
Model utility content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of multistage oxygen-enriching device for internal-combustion engine, realizes oxygen enrichment step by step, the energy waste problem that solution single-stage oxygen enrichment or pure oxygen enrichment cause.
For achieving the above object, the technical solution adopted in the utility model is as follows:
For a multistage oxygen-enriching device for internal-combustion engine, comprising: pressurized machine, pressure inlet, multiple prevention valve, multiple nitrogen oxygen separator and air duct; Described pressurized machine comprises turbine and impeller, and the suction port of turbine is connected with exhaust gases of internal combustion engines pipe, and the suction port of impeller is communicated with air, and the air outlet of impeller is communicated with pressure inlet; Described prevention valve is arranged in pressure inlet, and each prevention valve is connected with a magnetic switch A, and all magnetic switch A are all electrically connected with a relay A parallel connection; Described nitrogen oxygen separator is arranged in the air duct after stoping valve, and each nitrogen oxygen separator is connected with a magnetic switch B, and all magnetic switch B are all electrically connected with a relay B parallel connection.
Preferably, 15 ~ 20 blades selected by described turbine.
Preferably, described impeller selects the blade in activity curve shape.
Preferably, the described nitrogen oxygen separator oxygen passing rate had under 1.5 barometric pressure is greater than the nitrogen oxygen separation membrane of 24% percent by volume.
Preferably, the shape of described nitrogen oxygen separator and size identical with air duct cross section.
Preferably, described nitrogen oxygen separator is arranged on distance and stops valve 5 centimeters.
Preferably, described prevention valve quantity is identical with the quantity of nitrogen oxygen separator.
As further preferred version, described prevention valve and the quantity of nitrogen oxygen separator are 3.
The method of work of multistage oxygen-enriching device described in the utility model is as follows:
First, exhaust gases of internal combustion engines pipe is accessed the inlet exhaust gas of described device pressurized machine, and described device air duct is connected with intake lines of combustion engines;
Then starting apparatus combustion engine, when after internal combustion engine start, the tail gas of its discharge promotes booster turbine rotation and impeller rotation sucks air, sends into pressure inlet after air is compressed;
When internal-combustion engine needs oxygen enrichment to work, Rich Oxygen Amount as required, one or more prevention valve is opened by relay A, the air after supercharging is allowed to import air duct, close one or more nitrogen oxygen separator by relay B simultaneously, after allowing the air after supercharging carry out oxygen-rich treated by nitrogen oxygen separator, send into internal-combustion engine.
Compared with prior art, the multistage oxygen-enriching device that the utility model provides, oxygen enrichment step by step can be realized according to engine load situation, not only ensure that oxygen demand when engine load changes, avoid the energy waste problem that simple oxygen enrichment or single-stage oxygen enrichment cause, and ensure that the output power of internal-combustion engine, achieve the recycling of tail gas, reduce toxic emission; In addition, the utility model structure is simple, easy for installation, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of multistage oxygen-enriching device for internal-combustion engine that the utility model provides;
Fig. 2 is the structural representation of a kind of nitrogen oxygen separator that the utility model provides;
Fig. 3 is a kind of working state structure schematic diagram of a kind of multistage oxygen-enriching device that embodiment provides.
In figure: 1, pressurized machine; 11, turbine; 12, impeller; 2, pressure inlet; 3, valve is stoped; 31, valve I is stoped; 32, valve II is stoped; 33, valve III is stoped; 4, magnetic switch A; 41, magnetic switch A I; 42, magnetic switch A II; 43, magnetic switch A III; 5, nitrogen oxygen separator; 51, nitrogen oxygen separator I; 52, nitrogen oxygen separator II; 53, nitrogen oxygen separator III; 54, nitrogen oxygen separation membrane; 55, bound edge; 56, node; 57, rotatingshaft; 6, magnetic switch B; 61, magnetic switch B I; 62, magnetic switch B II; 63, magnetic switch B III; 7, relay A; 8, relay B; 9, air duct.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is elaborated further:
As shown in Figure 1: a kind of multistage oxygen-enriching device for internal-combustion engine that the utility model provides, comprising: pressurized machine 1, pressure inlet 2, multiple prevention valve 3, multiple nitrogen oxygen separator 5 and air duct 9; Described pressurized machine 1 comprises turbine 11 and impeller 12, and the suction port of turbine 11 is connected with exhaust gases of internal combustion engines pipe, and the suction port of impeller 12 is communicated with air, and the air outlet of impeller 12 is communicated with pressure inlet 2; Described prevention valve 3 is arranged in pressure inlet 2, and each prevention valve 3 is connected with a magnetic switch A4, and all magnetic switch A 4 are all electrically connected with relay A 7 parallel connection; Described nitrogen oxygen separator 5 is arranged in the air duct 9 after stoping valve 3, and each nitrogen oxygen separator 5 is connected with a magnetic switch B 6, and all magnetic switch B 6 are all electrically connected with relay B 8 parallel connection.
Preferably, 15 ~ 20 blades selected by described turbine 11, and described impeller 12 selects the blade in activity curve shape, and the connection of pressurized machine axle and turbine and impeller all adopts spline joint, and there are many strengthening rib the joint of axle and wheel.
Preferably, the shape of described nitrogen oxygen separator 5 and size identical with the cross section of air duct 9; Described nitrogen oxygen separator 5 can be the nitrogen oxygen separation membrane 54 that the commercially available oxygen passing rate under 1.5 barometric pressure is greater than 24% percent by volume; As shown in Figure 2, described nitrogen oxygen separation membrane is provided with bound edge 55, node 56 and a rotatingshaft 57, and described node 56 is electrically connected with magnetic switch B 6.
Preferably, described nitrogen oxygen separator 5 is arranged on distance and stops valve 5 centimeters; The quantity of described prevention valve 3 is identical with the quantity of nitrogen oxygen separator 5, such as: 3 shown in Fig. 1.
Described prevention valve 3 is in normally off time flat, intake lines of combustion engines is entered to stop pressurized air, when internal-combustion engine needs oxygen enrichment to work, just open one or more prevention valve, after allowing the air after supercharging carry out oxygen-rich treated by nitrogen oxygen separator, enter internal-combustion engine.
Described nitrogen oxygen separator 5 is in normally open time flat, internal-combustion engine is entered to allow clear air, when internal-combustion engine needs oxygen enrichment to work, just close one or more nitrogen oxygen separator, after making the air after supercharging carry out oxygen-rich treated by nitrogen oxygen separator, send into internal-combustion engine.
The method of work of multistage oxygen-enriching device described in the utility model is as follows:
First, exhaust gases of internal combustion engines pipe is accessed the inlet exhaust gas of described device pressurized machine, and described device air duct is connected with intake lines of combustion engines;
Then starting apparatus combustion engine, when after internal combustion engine start, the tail gas of its discharge promotes booster turbine rotation and impeller rotation sucks air, sends into pressure inlet after air is compressed;
When internal-combustion engine needs oxygen enrichment to work, Rich Oxygen Amount as required, one or more prevention valve is opened by relay A, the air after supercharging is allowed to import air duct, close one or more nitrogen oxygen separator by relay B simultaneously, after allowing the air after supercharging carry out oxygen-rich treated by nitrogen oxygen separator, send into internal-combustion engine.
Embodiment
As shown in Figure 3, a kind of multistage oxygen-enriching device for internal-combustion engine that the present embodiment provides has three prevention valves, be respectively and stop valve I 31, prevention valve II 32, prevention valve III 33, each prevention valve is all connected with a magnetic switch A, correspond to: magnetic switch A I 41, magnetic switch A II 42, magnetic switch A III 43, all magnetic switch A are all electrically connected with relay A 7 parallel connection; Three prevention valves are arranged in pressure inlet 2 and form three road branch roads; Correspondence is also provided with three nitrogen oxygen separators, be respectively nitrogen oxygen separator I 51, nitrogen oxygen separator II 52, nitrogen oxygen separator III 53, each nitrogen oxygen separator is connected with a magnetic switch B, correspond to: magnetic switch B I 61, magnetic switch B II 62, magnetic switch B III 63, all magnetic switch B are all electrically connected with relay B 8 parallel connection.
In the present embodiment, Rich Oxygen Amount as required, opened by relay A and stop valve I 31 and stop valve II 32, close and stop valve III 33, the air after supercharging is allowed to import air duct by two-way, close corresponding nitrogen oxygen separator I 51 and nitrogen oxygen separator II 52 by relay B simultaneously, open nitrogen oxygen separator III 53, allow the air after supercharging be undertaken sending into internal-combustion engine after oxygen-rich treated step by step by nitrogen oxygen separator.
What be finally necessary to herein means out is; above-mentioned explanation is only for being described in further detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (7)
1. for a multistage oxygen-enriching device for internal-combustion engine, it is characterized in that, comprising: pressurized machine, pressure inlet, multiple prevention valve, multiple nitrogen oxygen separator and air duct; Described pressurized machine comprises turbine and impeller, and the suction port of turbine is connected with exhaust gases of internal combustion engines pipe, and the suction port of impeller is communicated with air, and the air outlet of impeller is communicated with pressure inlet; Described prevention valve is arranged in pressure inlet, and each prevention valve is connected with a magnetic switch A, and all magnetic switch A are all electrically connected with a relay A parallel connection; Described nitrogen oxygen separator is arranged in the air duct after stoping valve, and each nitrogen oxygen separator is connected with a magnetic switch B, and all magnetic switch B are all electrically connected with a relay B parallel connection.
2. multistage oxygen-enriching device as claimed in claim 1, is characterized in that: 15 ~ 20 blades selected by described turbine.
3. multistage oxygen-enriching device as claimed in claim 1, is characterized in that: described impeller selects the blade in activity curve shape.
4. multistage oxygen-enriching device as claimed in claim 1, is characterized in that: the described nitrogen oxygen separator oxygen passing rate had under 1.5 barometric pressure is greater than the nitrogen oxygen separation membrane of 24% percent by volume.
5. the multistage oxygen-enriching device as described in claim 1 or 4, is characterized in that: shape and the size of described nitrogen oxygen separator are identical with air duct cross section.
6. multistage oxygen-enriching device as claimed in claim 5, is characterized in that: described nitrogen oxygen separator is arranged on distance and stops valve 5 centimeters.
7. multistage oxygen-enriching device as claimed in claim 1, is characterized in that: described prevention valve quantity is identical with the quantity of nitrogen oxygen separator.
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CN201420595904.9U CN204126772U (en) | 2014-10-15 | 2014-10-15 | A kind of multistage oxygen-enriching device for internal-combustion engine |
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CN201420595904.9U CN204126772U (en) | 2014-10-15 | 2014-10-15 | A kind of multistage oxygen-enriching device for internal-combustion engine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104727990A (en) * | 2015-03-06 | 2015-06-24 | 吉林大学 | Molecular film type automotive nitrogen and oxygen separation device and separating method thereof |
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2014
- 2014-10-15 CN CN201420595904.9U patent/CN204126772U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104727990A (en) * | 2015-03-06 | 2015-06-24 | 吉林大学 | Molecular film type automotive nitrogen and oxygen separation device and separating method thereof |
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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: 20150128 Termination date: 20181015 |