CN204003022U - A kind of urea tank heating system - Google Patents
A kind of urea tank heating system Download PDFInfo
- Publication number
- CN204003022U CN204003022U CN201420472601.8U CN201420472601U CN204003022U CN 204003022 U CN204003022 U CN 204003022U CN 201420472601 U CN201420472601 U CN 201420472601U CN 204003022 U CN204003022 U CN 204003022U
- Authority
- CN
- China
- Prior art keywords
- urea tank
- tank
- heating system
- urea
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 239000004202 carbamide Substances 0.000 title claims abstract description 188
- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 239000002828 fuel tank Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 41
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 239000003921 oil Substances 0.000 abstract description 47
- 230000000694 effects Effects 0.000 abstract description 14
- 238000002425 crystallisation Methods 0.000 abstract description 8
- 230000008025 crystallization Effects 0.000 abstract description 8
- 239000010705 motor oil Substances 0.000 abstract description 8
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of urea tank heating system, comprise motor, urea tank, fuel tank and SCR case, it is characterized in that: also comprise solenoid valve, the return opening of motor is communicated with the filler opening of solenoid valve; The first oil outlet of solenoid valve is connected with the filler opening of urea tank, and the second oil outlet of solenoid valve is connected with the return opening of fuel tank; The oil outlet of urea tank is connected with the return opening of fuel tank.Urea tank heating system of the present utility model, heats use engine coolant to change into urea tank and uses engine oil return to heat urea tank, can melt faster the automobile-used urea of crystallization and freezing, makes discharge value meet fast the requirement of emission standard.Owing to having used engine oil return heating, can improve the heating effect of warm-air drier simultaneously.In addition by the pipeline of urea tank heating system is redesigned, simplified pipeline structure, improved efficiency of assembling, strengthened the heating effect of urea tank.
Description
Technical field
The utility model relates to automobile accessory technical field, is specifically related to a kind of urea tank heating system.
Background technique
The major function of automobile exhaust system is the waste gas that discharge engine operation produces, and makes the exhaust emission pollution of discharging reduce simultaneously, and noise reduces.Flourish along with automobile industry, countries in the world improve constantly for the emission standard of automobile, and the standard of the nitrogen oxides pollution thing especially discharging for diesel engine is stricter.China comes into effect state's four standards of diesel engine automobile from July 1st, 2013, most importantly in standard be exactly to have carried out strict restriction for the discharge value of nitrogen oxides pollution thing in diesel engine exhaust, engine production business, in order to meet the desired discharge value of state's four standard, brings into use SCR technology (selective catalytic reduction technology) one after another.
Diesel engine vent gas treatment fluid (is commonly called as: be automobile-used urea) article of consumption that must use in SCR technology, when the sensor in vehicle exhaust systems detects and contains nitrogen oxides pollution thing in waste gas, urea tank is the automobile-used urea of ejection and nitrogen oxides pollution thing generation reduction reaction automatically, finally forms free of contamination nitrogen and water vapour and discharges.
Standard vehicle will crystallization and freezing in the time of subzero 11 ° with urea liquid, therefore need to adopt rational heating system to urea tank.Existing urea tank heating system is used engine coolant to heat conventionally, but when external temperature is too low, after engine start, coolant temperature rises slowly, can not in time the automobile-used Urea of crystallization and freezing be melted as liquid, thereby the discharge value of vehicle is exceeded standard.Because the intake in urea tank is nearer apart from warm-air drier intake, when heating urea tank, can rob water and cause the heating effect of warm-air drier to reduce with warm-air drier simultaneously.Existing urea tank heating system line arrangement need to connect by frame cross in addition, and pipeline is long not only can cause assembling difficulty, and reduces the heating effect of urea tank.
Model utility content
The purpose of this utility model is to provide a kind of urea tank heating system, and while using engine coolant to heat to solve in prior art, temperature rises slowly, can not melt in time the automobile-used urea of crystallization and freezing, thus the problem that causes discharge value to exceed standard.Also need to solve urea tank heating robs water with warm-air drier and causes the problem that heating effect is low simultaneously.By the pipeline of urea tank heating system being redesigned to simplify pipeline structure, promoting efficiency of assembling, strengthen the heating effect of urea tank in addition.
For achieving the above object, the utility model provides following technological scheme:
A urea tank heating system, comprises motor, urea tank, fuel tank and SCR case, also comprises solenoid valve, and the return opening of described motor is communicated with the filler opening of described solenoid valve; The first oil outlet of described solenoid valve is connected with the filler opening of described urea tank, and the second oil outlet of described solenoid valve is connected with the return opening of described fuel tank; The oil outlet of described urea tank is connected with the return opening of described fuel tank.
Preferably, be provided with helical heating pipe and temperature transducer in described urea tank, described helical heating pipe is connected with filler opening and the oil outlet of described urea tank respectively, and described temperature transducer is connected with described solenoid valve.
Preferably, the jetburner of described urea tank is connected with the liquid entering hole of described SCR case, and the liquid return hole of described urea tank is connected with the liquid return hole of described SCR case.
Preferably, the handing-over that connects of the second oil outlet tube of the oil outlet tube of described urea tank and described solenoid valve, and pipeline is connected with the return opening of described fuel tank after connecting handing-over.
Preferably, the oil inlet pipe of described urea tank is connected with the injection pipe of described urea tank, and two pipe external diameters are identical and keep parallel to an axis.
Preferably, the oil inlet pipe of described urea tank and the injection pipe of described urea tank are nested, concentric structure, and the oil inlet pipe diameter of described urea tank is greater than the injection pipe diameter of described urea tank.
Preferably, the oil inlet pipe of described urea tank flows to contrary with the injection pipe internal liquid of described urea tank.
Preferably, between described urea tank and described SCR case, be provided with overlay, described overlay is connected with left-right longeron respectively.
Preferably, the injection pipe of described urea tank and the liquid return pipe of described urea tank are connected with described urea tank and described SCR case through described overlay below.
Preferably, the injection pipe of described urea tank and the liquid return pipe of described urea tank are tied up and are fixedly connected with by band with described overlay.
The beneficial effects of the utility model are:
Urea tank heating system of the present utility model, by using engine coolant to heat to change into urea tank in prior art, use engine oil return to heat urea tank, because oil return after engine start can heat up rapidly, so can melt faster the automobile-used urea of crystallization and freezing, make the discharge value of motor after startup meet fast the requirement of emission standard.Owing to having used engine oil return heating, avoided robbing water with warm-air drier simultaneously, thus the heating effect of raising warm-air drier.In addition by the pipeline of urea tank heating system is redesigned, simplified pipeline structure, improved efficiency of assembling, strengthened the heating effect of urea tank.
Further, in urea tank, be provided with helical heating pipe and temperature transducer, helical heating pipe is connected with filler opening and the oil outlet of urea tank respectively, temperature transducer is connected with solenoid valve, be conducive to fast the automobile-used urea of crystallization be heated by helical heating pipe, reduce the liquefying time of automobile-used urea, improve the utilization efficiency of releasing system.Temperature transducer can be controlled the switching of solenoid valve, as far as possible reasonably to use engine oil return to heat urea tank.
Further, the jetburner of urea tank is connected with the liquid entering hole of SCR case, and the liquid return hole of urea tank is connected with the liquid return hole of SCR case, and the automobile-used urea liquid being conducive to after heating can enter SCR case as soon as possible, improves the utilization efficiency of SCR case.
Further, the handing-over that connects of the second oil outlet tube of the oil outlet tube of urea tank and solenoid valve, and pipeline is connected with the return opening of fuel tank after connecting handing-over, be conducive to more reasonably use engine oil return to heat urea tank, the minimizing of pipeline simultaneously also can strengthen heating effect, improves efficiency of assembling, be convenient to maintain and replace.
Further, the oil inlet pipe of urea tank is connected with the injection pipe of urea tank, two pipe external diameters are identical and keep parallel to an axis, are conducive to by parallel two connected pipelines, automobile-used urea liquid further be heated, and the automobile-used urea liquid utilization efficiency that makes to enter into SCR case is higher.
Further, the oil inlet pipe of urea tank and the injection pipe of urea tank are nested, concentric structure, and the oil inlet pipe diameter of urea tank is greater than the injection pipe diameter of urea tank, be conducive to the automobile-used urea liquid from urea tank to SCR case by the further homogeneous heating of nested, concentric structure, nested, concentric structure not only can improve the utilization efficiency of pipeline, and can increase the working life of pipeline.
Further, the injection pipe internal liquid of the oil inlet pipe of urea tank and urea tank flows to contrary, is conducive to accelerate by opposite course the efficiency of heat exchange, makes the engine oil return can the automobile-used urea liquid of faster, more effective heating from urea tank to SCR case.
Further, between urea tank and SCR case, be provided with overlay, overlay is connected with left and right vehicle longeron respectively, and the injection pipe of urea tank is connected with urea tank and SCR case through overlay below with the liquid return pipe of urea tank, be conducive to simplify by overlay the layout of urea tank heating system upper pipeline, overlay can also increase the join strength of pipeline simultaneously, improves the working life of pipeline.
Further, the injection pipe of urea tank is tied up and is fixedly connected with by band with overlay with the liquid return pipe of urea tank, is conducive to fast the pipeline of urea tank heating system is fixed by band, reduces cost simultaneously, is convenient to maintenance and changes.
Accompanying drawing explanation
Next in connection with accompanying drawing, specific embodiment of the utility model is described in further detail, wherein:
Fig. 1 is the utility model embodiment's urea tank heating system structural drawing;
Fig. 2 is the utility model embodiment's urea tank heating system partial enlarged drawing;
Fig. 3 is the utility model embodiment's urea tank spiral heating tube structural drawing;
Fig. 4 is that the utility model embodiment's urea tank oil inlet pipe and injection pipe are in conjunction with figure mono-;
Fig. 5 is that the utility model embodiment's urea tank oil inlet pipe and injection pipe are in conjunction with figure bis-.
Mark in upper figure:
1, motor 2, urea tank 3, fuel tank
4, SCR case 5, solenoid valve 6, engine oil return mouth
7, solenoid valve filler opening 8, solenoid valve the first oil outlet 9, urea tank filler opening
10, solenoid valve the second oil outlet 11, fuel tank return opening 12, urea tank oil outlet
13, helical heating pipe 14, urea tank jetburner 15, SCR case liquid entering hole
16, urea tank liquid return hole 17, SCR case liquid return hole 18, urea tank oil outlet tube
19, solenoid valve the second oil outlet tube 20, urea tank oil inlet pipe 21, urea tank injection pipe
22, overlay 23, vehicle longeron 24, urea tank liquid return pipe
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
As depicted in figs. 1 and 2, urea tank heating system of the present utility model, comprises motor 1, urea tank 2, fuel tank 3 and SCR case 4, it is characterized in that: also comprise solenoid valve 5, the return opening 6 of motor 1 is communicated with the filler opening 7 of solenoid valve 5; The first oil outlet 8 of solenoid valve 5 is connected with the filler opening 9 of urea tank 2, and the second oil outlet 10 of solenoid valve 5 is connected with the return opening 11 of fuel tank 3; The oil outlet 12 of urea tank 2 is connected with the return opening 11 of fuel tank 3.Urea tank heating system of the present utility model, by using motor 1 cooling liquid to heat to change into urea tank 2 in prior art, use motor 1 oil return to heat urea tank 2, because starting rear oil return, motor 1 can heat up rapidly, so can melt faster the automobile-used urea of crystallization and freezing, make the discharge value of motor 1 after startup meet fast the requirement of emission standard.Owing to having used motor 1 oil return heating, avoided robbing water with warm-air drier simultaneously, thus the heating effect of raising warm-air drier.In addition by the pipeline of urea tank 2 heating systems is redesigned, simplified pipeline structure, improved efficiency of assembling, strengthened the heating effect of urea tank 2.
As shown in Figures 2 and 3, in urea tank 2, be provided with helical heating pipe 13 and temperature transducer, helical heating pipe 13 is connected with filler opening 9 and the oil outlet 12 of urea tank 2 respectively, temperature transducer is connected with solenoid valve 5, be conducive to fast the automobile-used urea of crystallization be heated by helical heating pipe 13, reduce the liquefying time of automobile-used urea, improve the utilization efficiency of releasing system.Temperature transducer can be controlled the switching of solenoid valve 5, as far as possible reasonably to use motor 1 oil return to heat urea tank 2.Certainly, the heating pipe in urea tank 2 also can adopt waveform pipe or swirl type pipe to heat automobile-used urea, in the utility model embodiment, does not limit.
As shown in Figure 1, the jetburner 14 of urea tank 2 is connected with the liquid entering hole 15 of SCR case 4, the liquid return hole 16 of urea tank 2 is connected with the liquid return hole 17 of SCR case 4, and the automobile-used urea liquid being conducive to after heating can enter SCR case 4 as soon as possible, improves the utilization efficiency of SCR case.
In addition, the handing-over that connects of the oil outlet tube 18 of urea tank 2 and the second oil outlet tube 19 of solenoid valve 5, and pipeline is connected with the return opening 11 of fuel tank 3 after connecting handing-over, be conducive to more reasonably use motor 1 oil return to be heated urea tank 2, the minimizing of pipeline simultaneously also can strengthen heating effect, improves efficiency of assembling, be convenient to maintain and replace.
In the above-described embodiments, the oil inlet pipe 20 of urea tank 2 and injection pipe 21 are separately to walk abreast and arrange, in conjunction with Fig. 1, shown in Fig. 4 and Fig. 5, as preferred version, oil inlet pipe 20 and the injection pipe 21 of urea tank 2 can also be combined into one, a kind of preferred version is wherein that the oil inlet pipe 20 of the urea tank 2 shown in Fig. 4 and the injection pipe 21 of urea tank 2 are connected, two pipe external diameters are identical and keep parallel to an axis, this new pipeline is conducive to by the heat exchange between parallel two connected pipes, automobile-used urea liquid through having heated by helical heating pipe 9 in urea tank 2 is further heated, the automobile-used urea liquid utilization efficiency that makes to enter into SCR case 4 is higher.The oil inlet pipe 20 that another kind of preferred version is the urea tank 2 shown in Fig. 5 is nested, concentric structure with the injection pipe 21 of urea tank 2, and oil inlet pipe 20 diameters of urea tank 2 are greater than injection pipe 21 diameters of urea tank 2, be conducive to the automobile-used urea liquid from urea tank 2 to SCR casees 4 by the further homogeneous heating of nested, concentric structure, nested, concentric structure not only heat exchange efficiency is higher, the utilization efficiency of pipeline can be improved, but also the working life of pipeline can be increased.
In addition, the oil inlet pipe 20 of urea tank 2 flows to contrary with the injection pipe of urea tank 2 21 internal liquids, be conducive to accelerate by opposite course the efficiency of heat exchange, make motor 1 oil return can faster, more effective heating from the automobile-used urea liquid of urea tank 2 to SCR casees 4.
As depicted in figs. 1 and 2, between urea tank 2 and SCR case 4, be provided with overlay 22, overlay is connected with left and right vehicle longeron 23 respectively, and the injection pipe 21 of urea tank 2 is connected with urea tank 2 and SCR case 4 through overlay 22 belows with the liquid return pipe of urea tank 2 24, be conducive to simplify by overlay 22 layout of urea tank 2 heating system upper pipelines, overlay 22 can also increase the join strength of pipeline simultaneously, improves the working life of pipeline.
The injection pipe 21 of urea tank 2 is tied up and is fixedly connected with by band with overlay 22 with the liquid return pipe 24 of urea tank 2, is conducive to fast the pipeline of urea tank 2 heating systems is fixed by band, reduces cost simultaneously, is convenient to maintenance and changes.Certainly, between the injection pipe 21 of urea tank 2 and the liquid return pipe 24 of urea tank 2 and overlay 22, also can be bolted or mode that buckle is connected is fixed, in the utility model embodiment, not limit.
Urea tank heating system of the present utility model can be applied on automotive field, and the engineering goods that other use urea tank are optimized releasing system, in the situation that meeting installation conditions, also can be used the utility model to improve urea tank heating system.
According to illustrated embodiment, describe structure of the present utility model, feature and action effect in detail above; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (10)
1. a urea tank heating system, comprises motor, urea tank, fuel tank and SCR case, it is characterized in that: also comprise solenoid valve, the return opening of described motor is communicated with the filler opening of described solenoid valve; The first oil outlet of described solenoid valve is connected with the filler opening of described urea tank, and the second oil outlet of described solenoid valve is connected with the return opening of described fuel tank; The oil outlet of described urea tank is connected with the return opening of described fuel tank.
2. urea tank heating system according to claim 1, it is characterized in that, in described urea tank, be provided with helical heating pipe and temperature transducer, described helical heating pipe is connected with filler opening and the oil outlet of described urea tank respectively, and described temperature transducer is connected with described solenoid valve.
3. urea tank heating system according to claim 1, is characterized in that, the jetburner of described urea tank is connected with the liquid entering hole of described SCR case, and the liquid return hole of described urea tank is connected with the liquid return hole of described SCR case.
4. the urea tank heating system of stating according to claim 1, is characterized in that, the handing-over that connects of the second oil outlet tube of the oil outlet tube of described urea tank and described solenoid valve, and pipeline is connected with the return opening of described fuel tank after connecting handing-over.
5. according to the urea tank heating system described in claim 1 to 4 any one, it is characterized in that, the oil inlet pipe of described urea tank is connected with the injection pipe of described urea tank, and two pipe external diameters are identical and keep parallel to an axis.
6. according to the urea tank heating system described in claim 1 to 4 any one, it is characterized in that, the oil inlet pipe of described urea tank and the injection pipe of described urea tank are nested, concentric structure, and the oil inlet pipe diameter of described urea tank is greater than the injection pipe diameter of described urea tank.
7. according to the urea tank heating system described in claim 1 to 4 any one, it is characterized in that, the oil inlet pipe of described urea tank flows to contrary with the injection pipe internal liquid of described urea tank.
8. according to the urea tank heating system described in claims 1 to 3 any one, it is characterized in that, between described urea tank and described SCR case, be provided with overlay, described overlay is connected with left-right longeron respectively.
9. urea tank heating system according to claim 8, is characterized in that, the injection pipe of described urea tank is connected with described urea tank and described SCR case through described overlay below with the liquid return pipe of described urea tank.
10. urea tank heating system according to claim 9, is characterized in that, the injection pipe of described urea tank is tied up and is fixedly connected with by band with described overlay with the liquid return pipe of described urea tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472601.8U CN204003022U (en) | 2014-08-20 | 2014-08-20 | A kind of urea tank heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472601.8U CN204003022U (en) | 2014-08-20 | 2014-08-20 | A kind of urea tank heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003022U true CN204003022U (en) | 2014-12-10 |
Family
ID=52043040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472601.8U Expired - Fee Related CN204003022U (en) | 2014-08-20 | 2014-08-20 | A kind of urea tank heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196608A (en) * | 2014-08-20 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Urea tank heating system |
-
2014
- 2014-08-20 CN CN201420472601.8U patent/CN204003022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196608A (en) * | 2014-08-20 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Urea tank heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |