CN104047684A - Liquid adding device for urea solution tank - Google Patents
Liquid adding device for urea solution tank Download PDFInfo
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- CN104047684A CN104047684A CN201410308801.4A CN201410308801A CN104047684A CN 104047684 A CN104047684 A CN 104047684A CN 201410308801 A CN201410308801 A CN 201410308801A CN 104047684 A CN104047684 A CN 104047684A
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- liquid
- adding device
- filter screen
- feeding mouth
- urea
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Abstract
The invention discloses a liquid adding device for a urea solution tank. The liquid adding device for the urea solution tank comprises a liquid adding nozzle, a filter screen and a magnetic ring. The liquid adding nozzle is arranged at the tank opening position of the urea solution tank, a liquid adding opening is formed in the liquid adding nozzle, the filter screen is mounted at one end of the liquid adding nozzle, and the magnetic ring is arranged in the filter screen of the connecting end of the liquid adding nozzle, multiple air discharge grooves are formed in the inner wall of the liquid adding opening, and a boss for flow distribution of liquid is arranged upwards on the bottom of the filter screen. According to the liquid adding device for the urea solution tank, the air discharge grooves are formed in the liquid adding opening of the liquid adding nozzle, air in the urea solution tank can be discharged in time, and therefore a liquid adding gun can add solutions without abnormalities ; the boss structure is arranged on the bottom of the filter screen additionally, in an adding process, when liquid impacts the surface of the boss, the liquid can be distributed smoothly in the flowing process, the liquid can be prevented from splashing, and it is guaranteed that the adding process is smooth.
Description
Technical field
The present invention relates to diesel engine selective catalysis and transform SCR (Selective Catalyst Reduction) technology, relate in particular to a kind of liquid-adding device of the urea liquid tank for selective catalytic conversion system of diesel engine SCR (Selective Catalyst Reduction).
Background technique
At present, the fast development of Motor Vehicle is accompanied by and has produced serious pollution of atmosphere, presents region composite type feature.Many metropolitan pollution of atmosphere turn to coal smoke and automotive composite type to pollute by coal-smoke pollution, and minority megalopolis has obviously presented photochemical smog type (being motor-vehicle tail-gas type) pollution of atmosphere.Therefore, the research of Diesel Emission Control Technologies: is of crucial importance and extremely urgent.
From the development of commercial car, diesel engine is its major impetus.The general emission request that adopts supercharging technology diesel-oil vehicle can meet the I stage, the II stage has adopted charge inter cooling, and the III stage has been introduced electronic fuel injection technology, and the IV stage need to be carried out reprocessing to diesel exhaust gas in above-mentioned technical foundation.
Mainly contain two technology paths at the exhaust after treatment system of IV stage emission control: (1) falls low NOx drainage by optimizing motor (emission controls by improving combustion technology is optimized oil spout, Optimizing Combustion etc.) reduction PM discharge+SCR selective catalysis reduction reaction.(2) adopt EGR waste gas to fall low NOx drainage+employing particulate trap at circulating technology and reduce PM discharge.Be more prone at present use the first scheme.
Urea liquid tank is the vitals of selective catalytic conversion system of diesel engine SCR, and the existing urea liquid tank for selective catalytic conversion system of diesel engine SCR exists following defect at urea filling process:
1) bore is less in the filling opening of traditional urea liquid tank, in the time using filling gun liquid feeding, the air in urea liquid tank can not be discharged in time, causes the solution excessive phenomenon of backflowing;
2) traditional urea liquid tank filling opening filter screen bottom is solid plane, and in the time using filling gun filling, urea liquid vertical impact, in solid plane, causes that urea liquid splashes, and filling process has some setbacks.
Summary of the invention
The object of the present invention is to provide a kind of liquid-adding device for urea liquid tank, it is excessive that it can prevent that urea liquid tank liquid in urea liquid filling process from backflowing, and guarantees that filling process is smooth and easy.To solve the problems referred to above that in prior art, urea liquid tank exists in filling urea liquid process.
For reaching this object, the present invention by the following technical solutions:
A kind of liquid-adding device for urea liquid tank, it comprises liquid feeding mouth, filter screen and magnet ring, described liquid feeding mouth is arranged at the tank mouth place of urea liquid tank, and offer filling opening on described liquid feeding mouth, described filter screen is installed on one end of liquid feeding mouth, and described magnet ring is arranged in the filter screen with liquid feeding mouth connecting end, wherein, on described filling opening inwall, offer several air vents, the bottom of described filter screen is upwards provided with for the boss to separating liquid.
Especially, described boss is any of solid or hollow-core construction.
Especially, described boss is conical structure.
Especially, described boss is made of plastics.
Especially, the grooved of described air vent is any of rectangle, triangle, semicircle or circular arc.
Especially, described air vent is distributed in the inwall of described filling opening.
Especially, between described liquid feeding mouth and filter screen, adopt the removable linkage structure of screw-thread fit.
Especially, the bottom of described liquid feeding mouth offers outside thread, offers internal thread corresponding to the top of described filter screen.
Especially, on described liquid feeding mouth, be provided with the joint at the tank mouth place for liquid feeding mouth being installed on to urea liquid tank, on described joint, offer attachment hole.
Beneficial effect of the present invention is, compared with prior art describedly has the following advantages for the liquid-adding device of urea liquid tank:
1) in the filling opening of liquid feeding mouth, offer air vent, air in urea liquid tank can be got rid of in time, prevent from can not discharging in time because of air in tank, cause the liquid excessive phenomenon of backflowing, use liquid feeding rifle filling solution without extremely;
2) set up boss structure in filter screen bottom, in filling process, hydraulic shock is in the time of boss face, and liquid is shunting smoothly, prevents liquid splash, guarantees that filling process is smooth and easy.
Brief description of the drawings
Fig. 1 is the sectional drawing of the liquid-adding device for urea liquid tank that provides of the specific embodiment of the invention 1;
Fig. 2 is the plan view of the liquid-adding device for urea liquid tank that provides of the specific embodiment of the invention 1;
Fig. 3 is the enlarged view of the filling opening of the liquid-adding device for urea liquid tank that provides of the specific embodiment of the invention 1.
In figure:
1, liquid feeding mouth; 2, filter screen; 3, magnet ring; 4, joint; 5, attachment hole; 6, filling opening; 7, air vent; 8, boss.
Embodiment
Further illustrate technological scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
Refer to shown in Fig. 1 to Fig. 3, in the present embodiment, a kind of liquid-adding device for urea liquid tank comprises liquid feeding mouth 1, filter screen 2 and magnet ring 3, is provided with the joint 4 at the tank mouth place for liquid feeding mouth 1 being installed on to urea liquid tank on described liquid feeding mouth 1, on described joint 4, offers attachment hole 5.On described liquid feeding mouth 1, offer filling opening 6, the bottom of described liquid feeding mouth 1 offers outside thread, offers internal thread corresponding to the top of described filter screen 2, the removable linkage structure that adopts internal and external screw thread to coordinate between described liquid feeding mouth 1 and filter screen 2.Described magnet ring 3 is arranged in the filter screen 2 with liquid feeding mouth 1 connecting end, on described filling opening 6 inwalls, offer the air vent 7 of several circular arcs that vertically run through whole filling opening 6, described air vent 7 is distributed in the inwall of filling opening 6, the bottom of described filter screen 2 is upwards provided with for the conical boss 8 to separating liquid, and described boss 8 adopts solid construction and is made of plastics.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. the liquid-adding device for urea liquid tank, it comprises liquid feeding mouth, filter screen and magnet ring, described liquid feeding mouth is arranged at the tank mouth place of urea liquid tank, and offer filling opening on described liquid feeding mouth, described filter screen is installed on one end of liquid feeding mouth, and described magnet ring is arranged in the filter screen with liquid feeding mouth connecting end, it is characterized in that, on described filling opening inwall, offer several air vents, the bottom of described filter screen is upwards provided with for the boss to separating liquid.
2. the liquid-adding device for urea liquid tank according to claim 1, is characterized in that, described boss is any of solid or hollow-core construction.
3. the liquid-adding device for urea liquid tank according to claim 1, is characterized in that, described boss is conical structure.
4. according to the liquid-adding device for urea liquid tank described in claims 1 to 3 any one, it is characterized in that, described boss is made of plastics.
5. the liquid-adding device for urea liquid tank according to claim 1, is characterized in that, the grooved of described air vent is any of rectangle, triangle, semicircle or circular arc.
6. according to the liquid-adding device for urea liquid tank described in claim 1 or 5 any one, it is characterized in that, described air vent is distributed in the inwall of described filling opening.
7. the liquid-adding device for urea liquid tank according to claim 1, is characterized in that, adopts the removable linkage structure of screw-thread fit between described liquid feeding mouth and filter screen.
8. the liquid-adding device for urea liquid tank according to claim 7, is characterized in that, the bottom of described liquid feeding mouth offers outside thread, offers internal thread corresponding to the top of described filter screen.
9. the liquid-adding device for urea liquid tank according to claim 1, is characterized in that, is provided with the joint at the tank mouth place for liquid feeding mouth being installed on to urea liquid tank on described liquid feeding mouth, on described joint, offers attachment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308801.4A CN104047684A (en) | 2014-06-30 | 2014-06-30 | Liquid adding device for urea solution tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308801.4A CN104047684A (en) | 2014-06-30 | 2014-06-30 | Liquid adding device for urea solution tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047684A true CN104047684A (en) | 2014-09-17 |
Family
ID=51501020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410308801.4A Pending CN104047684A (en) | 2014-06-30 | 2014-06-30 | Liquid adding device for urea solution tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN104047684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476865A (en) * | 2015-12-15 | 2016-04-13 | 诺斯贝尔化妆品股份有限公司 | Liquid adding device for facial masks |
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| JP2008069727A (en) * | 2006-09-15 | 2008-03-27 | Toyota Motor Corp | Exhaust emission control device, support base material for exhaust emission control catalyst and exhaust emission control catalyst |
| CN201326444Y (en) * | 2008-12-23 | 2009-10-14 | 无锡油泵油嘴研究所 | SCR urea jet apparatus for exhaust post treatment of diesel engine |
| US20090297417A1 (en) * | 2008-05-27 | 2009-12-03 | Fuel Tech, Inc. | SELECTIVE CATALYTIC NOx REDUCTION PROCESS AND APPARATUS PROVIDING IMPROVED GASSIFICATION OF UREA TO FORM AMMONIA-CONTAINING GAS |
| CN101684742A (en) * | 2008-09-23 | 2010-03-31 | 德国曼商用车辆股份公司 | Metering device for metering a reduction agent, in particular for a selective catalytic reduction, into an exhaust gas flow of a combustion engine |
| CN203146076U (en) * | 2013-04-19 | 2013-08-21 | 宁波春华汽配有限公司 | Magnetic urea filler opening |
| CN203581655U (en) * | 2013-10-17 | 2014-05-07 | 厦门王氏明发打火机有限公司 | Container capable of being filled with liquid |
| CN204082276U (en) * | 2014-06-30 | 2015-01-07 | 凯龙高科技股份有限公司 | A kind of liquid-adding device for urea solution tank |
-
2014
- 2014-06-30 CN CN201410308801.4A patent/CN104047684A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008069727A (en) * | 2006-09-15 | 2008-03-27 | Toyota Motor Corp | Exhaust emission control device, support base material for exhaust emission control catalyst and exhaust emission control catalyst |
| US20090297417A1 (en) * | 2008-05-27 | 2009-12-03 | Fuel Tech, Inc. | SELECTIVE CATALYTIC NOx REDUCTION PROCESS AND APPARATUS PROVIDING IMPROVED GASSIFICATION OF UREA TO FORM AMMONIA-CONTAINING GAS |
| CN101684742A (en) * | 2008-09-23 | 2010-03-31 | 德国曼商用车辆股份公司 | Metering device for metering a reduction agent, in particular for a selective catalytic reduction, into an exhaust gas flow of a combustion engine |
| CN201326444Y (en) * | 2008-12-23 | 2009-10-14 | 无锡油泵油嘴研究所 | SCR urea jet apparatus for exhaust post treatment of diesel engine |
| CN203146076U (en) * | 2013-04-19 | 2013-08-21 | 宁波春华汽配有限公司 | Magnetic urea filler opening |
| CN203581655U (en) * | 2013-10-17 | 2014-05-07 | 厦门王氏明发打火机有限公司 | Container capable of being filled with liquid |
| CN204082276U (en) * | 2014-06-30 | 2015-01-07 | 凯龙高科技股份有限公司 | A kind of liquid-adding device for urea solution tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476865A (en) * | 2015-12-15 | 2016-04-13 | 诺斯贝尔化妆品股份有限公司 | Liquid adding device for facial masks |
| CN105476865B (en) * | 2015-12-15 | 2018-11-23 | 诺斯贝尔化妆品股份有限公司 | A kind of facial mask liquid-adding device |
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Application publication date: 20140917 |