CN201062552Y - Fuel oil combustion device for dimethyl ether bus - Google Patents
Fuel oil combustion device for dimethyl ether bus Download PDFInfo
- Publication number
- CN201062552Y CN201062552Y CNU2007200719621U CN200720071962U CN201062552Y CN 201062552 Y CN201062552 Y CN 201062552Y CN U2007200719621 U CNU2007200719621 U CN U2007200719621U CN 200720071962 U CN200720071962 U CN 200720071962U CN 201062552 Y CN201062552 Y CN 201062552Y
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- China
- Prior art keywords
- oil
- valve
- oil storage
- overfill
- storage tank
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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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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a dimethyl ether city public bus fuel oil device, which is composed of a plurality of oil storage tanks, a filter, a booster pump, a fuel oil injection pump, and a corresponding valve. The device is characterized in that the oil storage tanks are connected in series, namely the fuel oil injection pump is connected with the oil supplying opening of the first oil storage tank through a butterfly valve, the filter, and the booster pump, the oil supplying opening of a latter oil storage tank is connected with the oil returning opening of a former oil storage tank, the oil returning opening of the last oil storage tank is connected one opening of an oil returning three way valve, the other two openings of the oil returning three way valve are respectively connected with an air entraining head and the retuning valves of the fuel oil injection pump and an injection nozzle. The utility model connects the oil storage tanks in series, to enable the returning liquid to be liquefied from the first oil storage tank to the last oil storage tank, the returning liquid temperature is ensured to be reduced naturally, the reserves is utilized sufficiently, the reserves conformability of each oil storage tank is basically ensured, and the utility model ensures the fluidification effect of the booster pump and the fuel oil injection pump. Simultaneously the heat of heat sinking effect of the oil storage tank group is improved.
Description
Technical field
The utility model relates to automobile, interior fuel oil and dynamic power machine technology category, relates to the supplier of compression ignite engine application dimethyl ether fuel, particularly a kind of dimethyl ether urban public transport vehicle oil burning installation.
Background technique
Petroleum resources in the world still can be for exploitation 40 years, China only be 15-20, the research of oil replacement fuel and use extremely urgent.
The cetane number height of dimethyl ether contains oxygen 34.8%, as an alternative during fuel, and NO
xWhen discharging only is combustion diesel fuel about 30% all realizing smokeless combustion in the rotating speed load range, can be satisfied Europe III and U.S.'s minimum discharge (ULEV) standard, thereby be good environment amenable alternative fuel.Dimethyl ether can adopt one-process directly synthetic by the coal vaporization, and the source is wide, and cost is about 1100 yuan/ton when producing in a large number.But the boiling point of dimethyl ether low (24.9 ℃), easily vaporization causes the vapour locking of engine fuel supply device, influences the proper functioning of motor.
Existing dimethyl ether engine low-pressure fuel supplier all is difficult to the proper functioning under various operating modes.The dimethyl ether demonstration car of Sweden and Japan adopts the method for nitrogen to the dimethyl ether pressurization, and Che Shangxu increases a high-pressure bottle, and installs pressure and reduce with the consumption of dimethyl ether, influences the proper functioning of motor.Austria AVLLIST research institute has adopted the method for elastic diaphragm, one side of film is liquefied petroleum gas (LPG) (LPG), opposite side is DME, attempt with higher LPG saturated vapor pressure extruding DME, because the saturated vapour pressure reduction of the two is less, be difficult to guarantee dimethyl ether transport and Injection Pump neck parts places such as (being installed in the side of motor usually, the operating temperature height) does not produce vapour locking; The method to the LPG heating is adopted in the back, and improving the pressure reduction between the dimethyl ether, but the amount of deformation of diaphragm is limited and dangerous, after replace diaphragm with piston again, still use the LPG extruding to carry dimethyl ether, be difficult to solve the leakage of the LPG of piston ring place to the dimethyl ether end.
Therefore, in the oil burning installation of dimethyl ether, generally be to adopt suction booster to improve the discharge pressure of dimethyl ether at present, solved the existing problem of above-mentioned technology.
But in present dimethyl ether oil burning installation, there is the sufficiently long operating time, generally all adopts the tank battery of forming by many oil storage tanks to supply with dimethyl ether to motor in order to guarantee motor.The oil storage group of many oil storage tank formations generally adopts parallel way to connect at present.In the oil storage group, set up simultaneously the balance that gas phase, liquid equilibrium pipe are controlled each oil storage tank output and flowed into.But when unit operation, therefore the impossible balance of the output of the dimethyl ether of each oil storage tank and inflow causes the storage volume of each storage tank inconsistent.In order to guarantee the pure liquefaction of suction booster, fuel pump, have to improve the pre-storage of bottle group, cause the operating time of motor to shorten.Each oil storage tank adopts parallel way also to be unfavorable for heat radiation in addition.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of dimethyl ether urban public transport vehicle oil burning installation, to solve the existing problems of above-mentioned technology.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of dimethyl ether urban public transport vehicle oil burning installation, comprise that several oil storage tanks, filter cleaner, suction booster, fuel oil injectionpump and corresponding valve constitute, it is characterized in that, described several oil storage tanks are cascaded, the oil-feed port that is first oil storage tank is by butterfly valve, filter cleaner and suction booster Bunker of Redelivery jet pump, the oil-feed port of the oil storage tank in back and the return opening of previous oil storage tank, the return opening of last oil storage tank connects a mouth of oil return threeway, in addition two one in mouths of oil return threeway connect inflating valve, the backflow of Bunker of Redelivery jet pump and nozzle.
In the utility model, the oil storage tank of front is provided with the integrated valve of not being with charging limiting function, and last oil storage tank is provided with the integrated valve of band charging limiting function, to satisfy when the static state, because the security needs that ambient temperature raises the hydraulic pressure rising is caused.
In the utility model, the backflow of described oil return threeway and fuel pump and nozzle has additional a condenser, with the dimethyl ether of condensation by fuel pump and nozzle backflow.
In the utility model, set up a reflux and a cooling fan in the described suction booster.
In the utility model, the integrated valve of described band charging limiting function comprises a total valve body, be arranged on the feed liquor valve on total valve body, liquid valve and pressure relief valve, on total valve body in feed pathway outlet port, also be provided with overfill-limiting valve, the valve body of described overfill-limiting valve is connected as a single entity with total valve body, described feed pathway exports in the spool bore of the valve body that is arranged on overfill-limiting valve, in the spool bore of the valve body of described overfill-limiting valve, be provided with an overfill-limiting valve core, on described overfill-limiting valve core, be fixed with a connecting rod, connecting rod one end is equipped with a ball float, the spool side face of described overfill-limiting valve core is provided with seal ring, and end face is provided with an overfill-limiting valve bar; Be with an overfill-limiting valve seat and a Returnning spring at described connecting rod, spacing valve seat is crimped on by fastening piece on the valve body of described overfill-limiting valve, offers the limit that the described overfill-limiting valve bar of some appearances stretches into and fill adjustment hole on described overfill-limiting valve seat.
The integrated valve of above-mentioned band charging limiting function, in the topping up process, ball float is come-up and rotation overfill-limiting valve core constantly, when to certain position, a limit on the accurate overfill-limiting valve seat of overfill-limiting valve pole pair on the overfill-limiting valve core is filled in the adjustment hole, spool moves under inlet pressure and stretches out, and seal spool is lived in the liquid channel outlet and limit and fill.Stop the travelling backwards under the effect of Returnning spring restoring force of topping up back valve core, topping up once more, the integrated valve that adopts this band charging limiting function accurately quantitative limit fills, and simple in structure can control automatically.
The utility model is together in series several oil storage tanks, make reflux liquid from first oil storage tank last oil storage tank that liquefies, can guarantee the cooling naturally of reflux liquid, can fully use sufficient reserves again, basically can guarantee the conformity of the reserves of each oil storage tank, and then guarantee the liquefaction effect of suction booster, fuel oil injectionpump.Also improved simultaneously the radiating effect of tank battery.Backflow at described oil return threeway and fuel pump and nozzle has additional a condenser, by the dimethyl ether that fuel pump and nozzle reflux, has guaranteed that reflux liquid gets back to liquefaction rapidly with condensation, has reduced the pressure of oil storage tank.In suction booster, set up a reflux and a cooling fan, guaranteed the liquefaction of dimethyl ether.
Description of drawings
Fig. 1 is the structural representation of the utility model dimethyl ether urban public transport vehicle oil burning installation.
Fig. 2 is the integrated valve structural representation of the utility model band charging limiting function.
Fig. 3 is the integrated valve overfill-limiting valve structural representation of the utility model band charging limiting function.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, a kind of dimethyl ether urban public transport vehicle oil burning installation, comprise three oil storage tanks 1,2,3, filter cleaner 4, suction booster 5, fuel oil injectionpump 6, condenser 7 and corresponding valve constitute, three oil storage tanks 1,2,3 are cascaded, the oil-feed port that is first oil storage tank 1 is by butterfly valve 8, filter cleaner 4 and suction booster 5 Bunker of Redelivery jet pumps 6, the return opening of the oil-feed port of second oil storage tank 2 and first oil storage tank 1, the return opening of last oil storage tank 3 connects a mouth of oil return threeway 9, one in addition two mouths of oil return threeway 9 connect inflating valve 13 by butterfly valve 12, and another is by the backflow of condenser 7 and threeway 10 Bunker of Redelivery jet pumps 6 and nozzle 11.
First, second oil storage tank 1,2 is provided with the integrated valve of not being with charging limiting function, and the 3rd oil storage tank 3 is provided with the integrated valve of band charging limiting function, to satisfy when the static state, because the security needs that ambient temperature raises the hydraulic pressure rising is caused.
Set up a reflux and a cooling fan 51 in the suction booster 5.
Referring to Fig. 2, the integrated valve of described band charging limiting function comprises a total valve body 14, be arranged on feed liquor valve, liquid valve, bleed valve and pressure relief valve 143 on total valve body 14, total valve body 14 sides in the drawings are furnished with liquid entering hole 141, liquid outlet 142, air outlet 144 and pressure relief valve 143, on total valve body 14 in feed pathway outlet port, promptly total valve body 14 ear end faces also are provided with overfill-limiting valve.The valve body of this overfill-limiting valve is connected as a single entity with total valve body 14, feed pathway exports in the spool bore of the valve body that is arranged on overfill-limiting valve, in the spool bore of the valve body of overfill-limiting valve, be provided with an overfill-limiting valve core 145, on overfill-limiting valve core 145, be fixed with a connecting rod 146, connecting rod 146 1 ends are equipped with a ball float 147, overfill-limiting valve core 145 side faces of overfill-limiting valve core are provided with seal ring, and end face is provided with an overfill-limiting valve bar 148; Be with an overfill-limiting valve seat 149 and Returnning spring 150 at connecting rod 146, spacing valve seat 149 is crimped on by fastening piece on the valve body of overfill-limiting valve, offers some tolerance limits and fill the limit that valve rod 148 stretches into and fill adjustment hole 151 on overfill-limiting valve seat 150.Adjust the mounting point of overfill-limiting valve seat 149, can adjust and limit the rotation angle that fills between adjustment hole 151 and the overfill-limiting valve bar 148, to change the limit charge.
When dimethyl ether did not reach specified amount, overfill-limiting valve bar 148 was withstood in the bottom surface of overfill-limiting valve seat 149, make overfill-limiting valve core 145 can not on move.When ball float 147 rises to certain position, overfill-limiting valve core 145 also turns to the limit that the overfill-limiting valve bar 148 on the overfill-limiting valve core 145 aims on the overfill-limiting valve seats 149 and fills in the adjustment hole 151, overfill-limiting valve core 145 moves under inlet pressure and stretches out, and overfill-limiting valve core 145 seals up the feed pathway outlet and limits and fill.Stop the travelling backwards under the effect of Returnning spring restoring force of topping up back valve core, topping up once more,
Referring to Fig. 3, total valve body 14 is provided with the electromagnetic type level instruction device, can be connected in the Motor Vehicle by circuit like this, the convenient surplus that monitors dimethyl ether.
All the other structures of the integrated valve of above-mentioned band charging limiting function are identical with existing integrated valve structure.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. dimethyl ether urban public transport vehicle oil burning installation, comprise that several oil storage tanks, filter cleaner, suction booster, fuel oil injectionpump and corresponding valve constitute, it is characterized in that, described several oil storage tanks are cascaded, the oil-feed port that is first oil storage tank is by butterfly valve, filter cleaner and suction booster Bunker of Redelivery jet pump, the oil-feed port of the oil storage tank in back and the return opening of previous oil storage tank, the return opening of last oil storage tank connects a mouth of oil return threeway, in addition two one in mouths of oil return threeway connect inflating valve, the backflow of Bunker of Redelivery jet pump and nozzle.
2. dimethyl ether urban public transport vehicle oil burning installation according to claim 1, it is characterized in that, the oil storage tank of described front is provided with the integrated valve of not being with charging limiting function, last oil storage tank is provided with the integrated valve of band charging limiting function, satisfying when the static state, the security needs that raise and make hydraulic pressure rise and be caused owing to ambient temperature.
3. dimethyl ether urban public transport vehicle oil burning installation according to claim 1 is characterized in that, the backflow of described oil return threeway and fuel pump and nozzle has additional a condenser, with the dimethyl ether of condensation by fuel pump and nozzle backflow.
4. dimethyl ether urban public transport vehicle oil burning installation according to claim 1 is characterized in that, sets up a reflux and a cooling fan in the described suction booster.
5. dimethyl ether urban public transport vehicle oil burning installation according to claim 2, it is characterized in that, the integrated valve of described band charging limiting function comprises a total valve body, be arranged on the feed liquor valve on total valve body, liquid valve and pressure relief valve, on total valve body in feed pathway outlet port, also be provided with overfill-limiting valve, the valve body of described overfill-limiting valve is connected as a single entity with total valve body, described feed pathway exports in the spool bore of the valve body that is arranged on overfill-limiting valve, in the spool bore of the valve body of described overfill-limiting valve, be provided with an overfill-limiting valve core, on described overfill-limiting valve core, be fixed with a connecting rod, connecting rod one end is equipped with a ball float, the spool side face of described overfill-limiting valve core is provided with seal ring, and end face is provided with an overfill-limiting valve bar; Be with an overfill-limiting valve seat and a Returnning spring at described connecting rod, spacing valve seat is crimped on by fastening piece on the valve body of described overfill-limiting valve, offers the limit that the described overfill-limiting valve bar of some appearances stretches into and fill adjustment hole on described overfill-limiting valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200719621U CN201062552Y (en) | 2007-06-29 | 2007-06-29 | Fuel oil combustion device for dimethyl ether bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200719621U CN201062552Y (en) | 2007-06-29 | 2007-06-29 | Fuel oil combustion device for dimethyl ether bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201062552Y true CN201062552Y (en) | 2008-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200719621U Expired - Fee Related CN201062552Y (en) | 2007-06-29 | 2007-06-29 | Fuel oil combustion device for dimethyl ether bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201062552Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221734A (en) * | 2010-10-22 | 2013-07-24 | 奥克塔贡公司 | Means for supplying oil from a tank containing heavy fuel oil |
-
2007
- 2007-06-29 CN CNU2007200719621U patent/CN201062552Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221734A (en) * | 2010-10-22 | 2013-07-24 | 奥克塔贡公司 | Means for supplying oil from a tank containing heavy fuel oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JIFEI GAS EQUIPMENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGYOU ENTERPRISE GROUP CO., LTD., SHANGHAI Effective date: 20110114 Free format text: FORMER OWNER: SHANGHAI JIFEI GAS EQUIPMENT TECHNOLOGY CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200000 ROOM 707, NO. 6, LANE 1488, CHANGNING ROAD, CHANGNING DISTRICT, SHANGHAI TO: 200235 5/F, ZHONGYOU ENTERPRISE BUILDING, NO. 2259, ZHONGSHAN WEST ROAD, SHANGHAI, ROOM 213, 2/F |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110114 Address after: 200235, No. 2259 Zhongshan West Road, Shanghai, China Petroleum Enterprise Building, 5 floor, building 213, room two Patentee after: Shanghai wing Fei gas equipment Technology Co., Ltd. Address before: 200000, room 6, No. 1488, Lane 707, Changning Road, Shanghai, Changning District Co-patentee before: Shanghai wing Fei gas equipment Technology Co., Ltd. Patentee before: Zhongyou Enterprise Group Co., Ltd., Shanghai |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20130629 |