CN105715331A - Evaporative oil supply device used for DPF regeneration system - Google Patents
Evaporative oil supply device used for DPF regeneration system Download PDFInfo
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- CN105715331A CN105715331A CN201610214995.0A CN201610214995A CN105715331A CN 105715331 A CN105715331 A CN 105715331A CN 201610214995 A CN201610214995 A CN 201610214995A CN 105715331 A CN105715331 A CN 105715331A
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- fuel
- oil
- case member
- side case
- plunger
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/043—Arrangements for driving reciprocating piston-type pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
- F02M53/06—Injectors with heating, cooling, or thermally-insulating means with fuel-heating means, e.g. for vaporising
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to an evaporative oil supply device used for a DPF regeneration system. The evaporative oil supply device is characterized in that the device comprises a metering pump and an evaporation nozzle; an oil inlet of the metering pump communicates with an oil supply port of an oil tank through an oil inlet pipeline, and an oil outlet of the metering pump is connected with an inlet of the evaporation nozzle through an oil outlet pipeline; an outlet of the evaporation nozzle is directly connected with an exhaust pipe; and the metering pump pumps oil from the oil tank and supplies the oil into the evaporation nozzle, and the oil is heated, gasified and exhausted into the exhaust pipe by the evaporation nozzle. The evaporative oil supply device is ingenious and reasonable in structure, the oil atomization characteristic is improved, and the oxidation exothermal efficiency of hydrocarbons is improved, so that regeneration of a DPF is achieved, and secondary pollution of the hydrocarbons is prevented.
Description
Technical field
The present invention relates to a kind of fuel evaporating fluid supply apparatus for dpf regeneration system, belong to Fractions of Diesel Engine Exhaust Particulates thing pollution control technology field.
Background technology
Diesel particulate discharges seriously contaminated environment endanger human health, and its purification techniques is always up the focus of people's research.DPF(DieselParticulateFilter, particulate matter trap) it is control diesel particulate to discharge maximally effective equipment for after-treatment, along with the increasingly stringent of Abgasgesetz, its application will be more and more extensive.
DPF(particulate matter trap) can effectively reduce diesel particulate discharge, but the increase along with distance travelled, increasing granule is deposited in DPF, exhaust back pressure is caused to increase, the economy of diesel engine and dynamic property worsen, therefore must in time the combustible granules oxidizing fire of trapping be fallen, it is achieved the regeneration of DPF.
According to the difference that regeneration principle and regenerated energy are originated, the renovation process of diesel engine DPF can be divided into initiative regeneration and passive regeneration.Initiative regeneration can be categorized as again and utilize external heat source regeneration, utilize the regeneration of diesel engine heat energy and non-heated machinery to regenerate three kinds.Current part diesel engine producer adopts external heat source regeneration techniques scheme, rely on the Hydrocarbon (combustion main body of oil HC) that fuel supply device increases in diesel exhaust gas in aerofluxus, utilize DPF upstream DOC(DieselOxidationCatalyst, oxidation catalytic converter) oxidation heat liberation of Hydrocarbon is improved delivery temperature, DPF inlet temperature is made to reach the initiation temperature of particulate matter, it is achieved DPF initiative regeneration.But existing fuel supply device is mainly based on injection, and technical difficulty requires height, and atomizing effect is general, what have also needs to increase air, and whole device complexity cost is high.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of fuel evaporating fluid supply apparatus for dpf regeneration system is provided, its structure is ingenious rationally, strengthen fuel-oil atmozation characteristic, improve the oxidation heat liberation efficiency of Hydrocarbon, make DPF carry out regenerating and preventing the secondary pollution of Hydrocarbon.
According to technical scheme provided by the invention: for the fuel evaporating fluid supply apparatus of dpf regeneration system, it is characterized in that: include dosing pump and evaporation mouth, the oil-in of described dosing pump is connected with the oil-feed port of fuel tank by in-line, the oil-out of dosing pump is connected by the import of outlet line with evaporation mouth, and the outlet of evaporation mouth is directly connected to exhaustor；Dosing pump is pump oil from fuel tank, is then fed to by oil in evaporation mouth, and fuel Heating gasification is entered in exhaustor by evaporation mouth.
As a further improvement on the present invention, described dosing pump includes fuel inlet fitting, filter screen seat, cushion pad, plunger, oil-feed side case member, armature, back-moving spring, solenoid, fuel-displaced side case member, plunger bushing, oil outlet valve spring, delivery connection, steel ball and delivery valve seat；Described fuel inlet fitting, filter screen seat are arranged in the chamber of case member lower end, oil-feed side, fuel inlet fitting is fixed in closing in mode by case member bottom, oil-feed side, filter screen seat is fixed by fuel inlet fitting axial compression, and filter screen seat center is provided with the through hole connected with fuel inlet fitting fuel feed hole；Described cushion pad is arranged on filter screen seat top, and cushion pad center offers through hole, and the through hole at cushion pad center aligns with the through hole at filter screen seat center and communicates；Described armature clearance is assemblied in the axial armature passage in the middle part of the case member of oil-feed side；Case member lower end, described fuel-displaced side and case member upper end, oil-feed side compact siro spinning technology, described solenoid be arranged on by oil-feed side case member with go out in the chamber that oil-feed side case member is constituted, the passage moved axially for armature is left at solenoid center；Described plunger bushing, delivery valve seat, delivery connection are arranged in the case member of fuel-displaced side, cylinder gap is assemblied in the axial passage at case member center, fuel-displaced side, plunger bushing is fixed by delivery valve seat axial compression, delivery valve seat is fixed by delivery connection axial compression, and delivery connection is topmost fixed in closing in mode by fuel-displaced side case member；Described plunger is slidedly assemblied in inside plunger bushing, constitutes fuel chamber between plunger head and plunger bushing, and plunger bushing perisporium is provided with radially through spill port, and the space outside plunger bushing is connected with fuel chamber by spill port；Described plunger lower end is fixing with armature to be connected, and plunger lower head portion aligns with the through hole at cushion pad center and coordinates；The up and down motion of described plunger is spacing by delivery valve seat and cushion pad；Described back-moving spring is sleeved on plunger, back-moving spring upper end joint pin plug sleeve, and back-moving spring lower end connects armature, and plunger is pressed on cushion pad by back-moving spring；Described steel ball is arranged in delivery valve seat, and oil outlet valve spring is arranged between steel ball and delivery connection, and steel ball is compressed by oil outlet valve spring, and steel ball matches with the conical surface on delivery valve seat.
As a further improvement on the present invention, being provided with filter screen in described filter screen seat, described filter screen is positioned at the exit of the fuel feed hole at fuel inlet fitting center.
As a further improvement on the present invention, described armature upper end is set to conical head, and the lower ending opening of described fuel-displaced side case member central axial passageway is set to the bell mated with described conical head.
As a further improvement on the present invention, between described fuel inlet fitting and oil-feed side case member, between delivery connection and fuel-displaced side case member, it is provided with O；Between described solenoid centre bore lower end and oil-feed side case member, between solenoid centre bore upper end and fuel-displaced side case member, it is respectively equipped with O.
As a further improvement on the present invention, it is provided with plug-in unit on described oil-feed side case member and fuel-displaced side case member.
As a further improvement on the present invention, described plug-in unit is to be combined on oil-feed side case member and fuel-displaced side case member in the way of injection mo(u)lding, the outer wall of described oil-feed side case member and fuel-displaced side case member is equipped with groove, described plug-in unit is injection molded with being inlaid into the projection of described groove.
As a further improvement on the present invention, described evaporation mouth includes mouth body, oil inlet pipe, electrode tip holder and electric heater；Described mouth body is installed into oil pipe, oil inlet pipe and portion's chamber in mouth body, to pass into fuel oil；Described electric heater is arranged in mouth body internal chamber, and the electric heater fuel Heating gasification for passing into, mouth body bottom is provided with the outlet that the fuel oil for gasifying is discharged；Described electrode tip holder is arranged on oil inlet pipe.
As a further improvement on the present invention, described evaporation mouth also includes guide finger and locking nut, described guide finger, locking nut are arranged on mouth body, and locking nut is for being locked at exhaustor by evaporation mouth, and guide finger is arranged on exhaustor provides guiding for evaporation mouth.
The present invention compared with prior art, has the advantage that
(1) present invention extracts fuel oil out according to the control of dpf regeneration system from fuel tank, process by dosing pump and evaporation mouth, realize timing, the quantitative fuel oil injecting gasification to exhaustor, enhance fuel-oil atmozation characteristic, improve the oxidation heat liberation efficiency of Hydrocarbon, make DPF carry out regenerating and preventing the secondary pollution of Hydrocarbon.
(2), the present invention in making dpf regeneration process on diesel engine impact little, not to environment produce secondary pollution, there is good reliability and durability and relative inexpensiveness.
Accompanying drawing explanation
Fig. 1 is the structure connection diagram of the embodiment of the present invention.
Fig. 2 is metering pump structure schematic diagram in Fig. 1.
Fig. 3 is the structural representation evaporating mouth in Fig. 1.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1, the fuel evaporating fluid supply apparatus for dpf regeneration system in embodiment mainly includes dosing pump 1 and evaporation mouth 2, the oil-in of described dosing pump 1 is connected with the oil-feed port of fuel tank 3 by in-line, the oil-out of dosing pump 1 is connected by the import of outlet line with evaporation mouth 2, and the outlet of evaporation mouth 2 is directly connected to exhaustor 4；Dosing pump 1 is pump oil from fuel tank 3, is then fed to by oil in evaporation mouth 2, and fuel Heating gasification is entered in exhaustor 4 by evaporation mouth 2.
During work, requirement according to dpf regeneration system, dosing pump 1 extracts fuel oil out from fuel tank 3, supply evaporation mouth 2 at regular time and quantity, make gasification of fuel oil again through evaporation mouth 2 heated fuel oil, and the fuel oil of gasification is entered in exhaustor 4, enhance fuel-oil atmozation characteristic, improve the oxidation heat liberation efficiency of Hydrocarbon, make DPF carry out regenerating and preventing the secondary pollution of Hydrocarbon.
In the embodiment of the present invention, the structure of described dosing pump 1 is as in figure 2 it is shown, it is mainly made up of fuel inlet fitting 5, O 6, filter screen seat 7, cushion pad 9, plunger 10, oil-feed side case member 11, armature 12, back-moving spring 13, solenoid 14, fuel-displaced side case member 15, plunger bushing 16, oil outlet valve spring 17, delivery connection 18, steel ball 19, delivery valve seat 20 and plug-in unit 21 etc..
As shown in Figure 2, described fuel inlet fitting 5, filter screen seat 7 are arranged in the chamber of case member 11 lower end, oil-feed side, fuel inlet fitting 5 is fixed in closing in mode by case member 11 bottom, oil-feed side, filter screen seat 7 is fixed by fuel inlet fitting 5 axial compression, and filter screen seat 7 center is provided with the through hole connected with fuel inlet fitting 5 fuel feed hole；Described cushion pad 9 is arranged on filter screen seat 7 top, and cushion pad 9 center offers through hole, and the through hole at cushion pad 9 center aligns with the through hole at filter screen seat 7 center and communicates；Described armature 12 gap is assemblied in axial armature 12 passage in the middle part of oil-feed side case member 11；Case member 15 lower end, described fuel-displaced side and case member 11 upper end, oil-feed side compact siro spinning technology, described solenoid 14 be arranged on by oil-feed side case member 11 with go out in the chamber that oil-feed side case member 11 is constituted, the passage moved axially for armature 12 is left at solenoid 14 center；Described plunger bushing 16, delivery valve seat 20, delivery connection 18 are arranged in fuel-displaced side case member 15, plunger bushing 16 gap is assemblied in the axial passage at case member 15 center, fuel-displaced side, plunger bushing 16 is fixed by delivery valve seat 20 axial compression, delivery valve seat 20 is fixed by delivery connection 18 axial compression, and delivery connection 18 is topmost fixed in closing in mode by fuel-displaced side case member 15；It is internal that described plunger 10 is slidedly assemblied in plunger bushing 16, constitutes fuel chamber between plunger 10 top and plunger bushing 16, and plunger bushing 16 perisporium is provided with radially through spill port, and the space outside plunger bushing 16 is connected with fuel chamber by spill port；Described plunger 10 lower end is fixing with armature 12 to be connected, and plunger 10 lower end head aligns with the through hole at cushion pad 9 center and coordinates；The up and down motion of described plunger 10 is spacing by delivery valve seat 20 and cushion pad 9；Described back-moving spring 13 is sleeved on plunger 10, back-moving spring 13 upper end joint pin plug sleeve 16, and back-moving spring 13 lower end connects armature 12, and plunger 10 is pressed on cushion pad 9 by back-moving spring 13；Described steel ball 19 is arranged in delivery valve seat 20, and oil outlet valve spring 17 is arranged between steel ball 19 and delivery connection 18, and steel ball 19 is compressed by oil outlet valve spring 17, and steel ball 19 matches with the conical surface on delivery valve seat 20.
As in figure 2 it is shown, in the embodiment of the present invention, described fuel inlet fitting 5 enters for fuel oil and provides oil duct and provide the installation site being connected with flexible pipe.Being provided with in described filter screen seat 7 for the filter screen 8 of impurity in filter fuel, described filter screen 8 is positioned at the exit of the fuel feed hole at fuel inlet fitting 5 center.Being provided with cushion pad 9 between described filter screen seat 7 top and little cavity bottom, described cushion pad 9 center offers through hole, and the through hole at cushion pad 9 center aligns with the through hole at filter screen seat 7 center and communicates.Described armature 12 upper end is set to conical head, and the lower ending opening of described fuel-displaced side case member 15 central axial passageway is set to the bell mated with described conical head.Between described fuel inlet fitting 5 and oil-feed side case member 11, between delivery connection 18 and fuel-displaced side case member 15, it is provided with O 6.Between described solenoid 14 centre bore lower end and oil-feed side case member 11, between solenoid 14 centre bore upper end and fuel-displaced side case member 15, it is respectively equipped with O 6.
As in figure 2 it is shown, in the embodiment of the present invention, for the ease of the connection of dosing pump 1 with wire harness, be provided with plug-in unit 21 on described oil-feed side case member 11 and fuel-displaced side case member 15.Described plug-in unit 21 is to be combined on oil-feed side case member 11 and fuel-displaced side case member 15 in the way of injection mo(u)lding, the outer wall of described oil-feed side case member 11 and fuel-displaced side case member 15 is equipped with groove, described plug-in unit 21 is injection molded with being inlaid into the projection of described groove.
Operation principle and the work process of described dosing pump 1 are as follows:
When solenoid 14 is energized, make dosing pump 1 internal generation magnetic field, move upward with plunger 10 at the action of a magnetic field lower armature 12, until plunger 10 top is withstood bottom delivery valve seat 20, when plunger 10 top is higher than the spill port upper end on plunger bushing 16, the steel ball 19 pushed down by oil outlet valve spring 17 will be backed down by the fuel oil of high pressure, and fuel oil flows out from delivery connection 18.Oil outlet valve spring 17 is played guide effect by described delivery connection 18, and steel ball 19 is played position-limiting action, and flowing out for fuel oil provides runner and provide the installation site being connected with flexible pipe.
When solenoid 14 power-off, the spring force of back-moving spring 13 promotes plunger 10 and armature 12 to move downward, until plunger 10 lower end head withstands cushion pad 9, when plunger 10 top is lower than time below spill port upper end on plunger bushing 16, fuel oil starts to be drawn to the fuel chamber of the vacuum having supplied oil.The motion of plunger 10 is had cushioning effect by described cushion pad 9, the through hole at salable firmly cushion pad 9 center of plunger 10 lower end sphere when contact.
In the embodiment of the present invention, the structure of described evaporation mouth 2 is as it is shown on figure 3, it is mainly made up of mouth body 22, guide finger 23, locking nut 24, oil inlet pipe 25, electrode tip holder 26 and electric heater 27；Installing guide finger 23, locking nut 24 and oil inlet pipe 25 on described mouth body 22, described locking nut 24 for being locked at exhaustor 4 by evaporation mouth 2, and guide finger 23 is arranged on exhaustor 4 provides guiding for evaporation mouth 2.Described oil inlet pipe 25 connects with mouth body 22 internal chamber, to pass into fuel oil；Described electric heater 27 is arranged in mouth body 22 internal chamber, and the electric heater 27 fuel Heating gasification for passing into, mouth body 22 bottom is provided with the outlet that the fuel oil for gasifying is discharged；Described electrode tip holder 26 is arranged on oil inlet pipe 25.During use, electric heater 27 is connected with the positive pole of power supply by a wire, and electrode tip holder 26 is connected with the negative pole of power supply by another root wire 28, it is achieved ground connection.
Operation principle and the work process of described evaporation mouth 2 are as follows:
The fuel oil that dosing pump 1 provides enters in the internal chamber of mouth body 22 through oil inlet pipe 25, arrives the hot zone of electric heater 27；Electric heater 27 is by fuel Heating to gasification, and the fuel oil of gasification enters exhaustor 4 from the outlet of mouth body 22 bottom.
Claims (9)
1. for the fuel evaporating fluid supply apparatus of dpf regeneration system, it is characterized in that: include dosing pump (1) and evaporation mouth (2), the oil-in of described dosing pump (1) is connected with the oil-feed port of fuel tank (3) by in-line, the oil-out of dosing pump (1) is connected by the import of outlet line with evaporation mouth (2), and the outlet of evaporation mouth (2) is directly connected to exhaustor (4)；Dosing pump (1) is pump oil from fuel tank (3), is then fed to by oil in evaporation mouth (2), and fuel Heating gasification is entered in exhaustor (4) by evaporation mouth (2).
2. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 1, it is characterised in that: described dosing pump (1) includes fuel inlet fitting (5), filter screen seat (7), cushion pad (9), plunger (10), oil-feed side case member (11), armature (12), back-moving spring (13), solenoid (14), fuel-displaced side case member (15), plunger bushing (16), oil outlet valve spring (17), delivery connection (18), steel ball (19) and delivery valve seat (20)；Described fuel inlet fitting (5), filter screen seat (7) are arranged in the chamber of case member (11) lower end, oil-feed side, fuel inlet fitting (5) is fixed in closing in mode by case member (11) bottom, oil-feed side, filter screen seat (7) is fixed by fuel inlet fitting (5) axial compression, and filter screen seat (7) center is provided with the through hole connected with fuel inlet fitting (5) fuel feed hole；Described cushion pad (9) is arranged on filter screen seat (7) top, and cushion pad (9) center offers through hole, and the through hole at cushion pad (9) center aligns with the through hole at filter screen seat (7) center and communicates；Described armature (12) gap is assemblied in axial armature (12) passage at middle part, oil-feed side case member (11)；Case member (15) lower end, described fuel-displaced side and case member (11) upper end, oil-feed side compact siro spinning technology, described solenoid (14) be arranged on by oil-feed side case member (11) with go out in the chamber that oil-feed side case member (11) is constituted, solenoid (14) center is left for armature (12) passage that moves axially；Described plunger bushing (16), delivery valve seat (20), delivery connection (18) are arranged in fuel-displaced side case member (15), plunger bushing (16) gap is assemblied in the axial passage at case member (15) center, fuel-displaced side, plunger bushing (16) is fixed by delivery valve seat (20) axial compression, delivery valve seat (20) is fixed by delivery connection (18) axial compression, and delivery connection (18) is topmost fixed in closing in mode by fuel-displaced side case member (15)；It is internal that described plunger (10) is slidedly assemblied in plunger bushing (16), fuel chamber is constituted between plunger (10) top and plunger bushing (16), plunger bushing (16) perisporium is provided with radially through spill port, and the space of plunger bushing (16) outside is connected with fuel chamber by spill port；Described plunger (10) lower end is fixing with armature (12) to be connected, and plunger (10) lower end head aligns with the through hole at cushion pad (9) center and coordinates；The up and down motion of described plunger (10) is spacing by delivery valve seat (20) and cushion pad (9)；Described back-moving spring (13) is sleeved on plunger (10), back-moving spring (13) upper end joint pin plug sleeve (16), and back-moving spring (13) lower end connects armature (12), and plunger (10) is pressed on cushion pad (9) by back-moving spring (13)；Described steel ball (19) is arranged in delivery valve seat (20), oil outlet valve spring (17) is arranged between steel ball (19) and delivery connection (18), steel ball (19) is compressed by oil outlet valve spring (17), and steel ball (19) matches with the conical surface on delivery valve seat (20).
3. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 2, it is characterised in that: being provided with filter screen (8) in described filter screen seat (7), described filter screen (8) is positioned at the exit of the fuel feed hole at fuel inlet fitting (5) center.
4. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 2, it is characterized in that: described armature (12) upper end is set to conical head, and the lower ending opening of described fuel-displaced side case member (15) central axial passageway is set to the bell mated with described conical head.
5. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 2, it is characterised in that: between described fuel inlet fitting (5) and oil-feed side case member (11), between delivery connection (18) and fuel-displaced side case member (15), it is provided with O (6)；Between described solenoid (14) centre bore lower end and oil-feed side case member (11), between solenoid (14) centre bore upper end and fuel-displaced side case member (15), it is respectively equipped with O (6).
6. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 2, it is characterised in that: it is provided with plug-in unit (21) on described oil-feed side case member (11) and fuel-displaced side case member (15).
7. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 2, it is characterized in that: described plug-in unit (21) is to be combined on oil-feed side case member (11) and fuel-displaced side case member (15) in the way of injection mo(u)lding, the outer wall of described oil-feed side case member (11) and fuel-displaced side case member (15) is equipped with groove, described plug-in unit (21) is injection molded with being inlaid into the projection of described groove.
8. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 1, it is characterised in that: described evaporation mouth (2) includes mouth body (22), oil inlet pipe (25), electrode tip holder (26) and electric heater (27)；Being installed into oil pipe (25) on described mouth body (22), oil inlet pipe (25) connects with mouth body (22) internal chamber, to pass into fuel oil；Described electric heater (27) is arranged in mouth body (22) internal chamber, and the electric heater (27) the fuel Heating gasification for passing into, mouth body (22) bottom is provided with the outlet that the fuel oil for gasifying is discharged；Described electrode tip holder (26) is arranged on oil inlet pipe (25).
9. the fuel evaporating fluid supply apparatus for dpf regeneration system as claimed in claim 9, it is characterized in that: described evaporation mouth (2) also includes guide finger (23) and locking nut (24), described guide finger (23), locking nut (24) are arranged on mouth body (22), locking nut (24) is for being locked at exhaustor (4) by evaporation mouth (2), and guide finger (23) is arranged on exhaustor (4) provides guiding for evaporation mouth (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214995.0A CN105715331B (en) | 2016-04-07 | 2016-04-07 | Fuel evaporating fluid supply apparatus for dpf regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214995.0A CN105715331B (en) | 2016-04-07 | 2016-04-07 | Fuel evaporating fluid supply apparatus for dpf regeneration system |
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| Publication Number | Publication Date |
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| CN105715331A true CN105715331A (en) | 2016-06-29 |
| CN105715331B CN105715331B (en) | 2018-09-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443033A (en) * | 2018-05-25 | 2018-08-24 | 瑞安市豪翔电器有限公司 | A kind of pulse pump of fuel heater |
| CN108582784A (en) * | 2018-05-31 | 2018-09-28 | 天津职业技术师范大学 | A kind of 3D printing head for material extrusion molding |
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| US4021152A (en) * | 1974-12-06 | 1977-05-03 | Taisan Industrial Co., Ltd. | Electromagnetic pump |
| CN2137728Y (en) * | 1992-04-23 | 1993-07-07 | 机械电子工业部合肥通用机械研究所 | Electromagnetic metering pump |
| JP2005054721A (en) * | 2003-08-06 | 2005-03-03 | Taisan Kogyo Kk | Electromagnetic pump device |
| DE102009015802A1 (en) * | 2009-04-01 | 2010-10-07 | Huss Umwelttechnik Gmbh | Exhaust system for internal-combustion engine, comprises exhaust gas treatment unit, and electric evaporation unit, where evaporation unit is arranged between exhaust gas outlet and exhaust gas inlet |
| JP5288285B2 (en) * | 2010-02-17 | 2013-09-11 | 日本コントロール工業株式会社 | Constant displacement electromagnetic pump |
| CN202746135U (en) * | 2012-06-11 | 2013-02-20 | 李东 | Electromagnetic type metering pump |
| CN104454086A (en) * | 2014-12-08 | 2015-03-25 | 山东大学 | DPF (diesel particulate filter) initiative regeneration system with combustor |
| CN205578073U (en) * | 2016-04-07 | 2016-09-14 | 无锡威孚高科技集团股份有限公司 | A evaporation formula fuel feeding device for DPF regeneration system |
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| CN108443033A (en) * | 2018-05-25 | 2018-08-24 | 瑞安市豪翔电器有限公司 | A kind of pulse pump of fuel heater |
| CN108582784A (en) * | 2018-05-31 | 2018-09-28 | 天津职业技术师范大学 | A kind of 3D printing head for material extrusion molding |
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