CN206860264U - Urea injector cooling jacket component - Google Patents
Urea injector cooling jacket component Download PDFInfo
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- CN206860264U CN206860264U CN201720352808.5U CN201720352808U CN206860264U CN 206860264 U CN206860264 U CN 206860264U CN 201720352808 U CN201720352808 U CN 201720352808U CN 206860264 U CN206860264 U CN 206860264U
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- sleeve pipe
- urea injector
- pipe
- described sleeve
- cooling
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Abstract
The utility model aims to provide a kind of urea injector cooling jacket component：Including urea injector, sleeve pipe I, sleeve pipe II, cooling sap cavity, coolant inlet pipe, coolant output tube；Described sleeve pipe I is hollow cavity, and described sleeve pipe II is the body of upper and lower ends opening；The upper end of described sleeve pipe II is connected with the lower end of sleeve pipe I；The described bottom of sleeve pipe II is connected with blast pipe；The top of described sleeve pipe I is provided with urea input port, and the bottom of described sleeve pipe I is provided with hole；It is provided with cooling sap cavity in described sleeve pipe I, described urea injector integral installation is in cooling down in sap cavity；The nozzle of described urea injector passes from the hole of the bottom of sleeve pipe I；The side wall of described sleeve pipe I is provided with the coolant inlet pipe connected respectively with cooling sap cavity, coolant output tube.The defects of urea injector cooling jacket component overcomes prior art urea injector to be easily damaged under the high temperature conditions, there is the characteristics of good cooling results, stability in use is strong.
Description
Technical field
It the utility model is related to equipment for treating engine tail gas field, and in particular to a kind of urea injector cooling water set group
Part.
Background technology
In motor exhaust process field, urea injector is used for the urea droplets of the jet atomization into tail gas, and urea turns
Turn to NH3With the NO in tail gasxN is generated after reaction2, so as to realize purification discharge, reduce the discharge of nitrogen oxides；Urea sprays
The outlet of device is generally connected with blast pipe, scope of the exhaust temperature in blast pipe at 250 DEG C -800 DEG C, therefore urea injector
The hyperthermia radiation from blast pipe is received, in high temperature environments, urea injector is particularly nozzle and is easily damaged in itself, influences to spray
The work of emitter, on the one hand workload that injector nozzle adds maintenance is changed, on the other hand also increases what vehicle used
Cost, therefore, find and solve the problems, such as that the scheme that urea injector nozzle damages at high temperature has larger realistic meaning.
The content of the invention
The utility model aims to provide a kind of urea injector cooling jacket component, the urea injector cooling jacket component
The defects of overcoming prior art urea injector to be easily damaged under the high temperature conditions, have good cooling results, stability in use strong
The characteristics of.
The technical solution of the utility model is as follows：A kind of urea injector cooling jacket component, including urea injector, set
Pipe I, sleeve pipe II, cooling sap cavity, coolant inlet pipe, coolant output tube；Described sleeve pipe I is hollow cavity, described
Sleeve pipe II is the body of upper and lower ends opening；The upper end of described sleeve pipe II is connected with the lower end of sleeve pipe I；The described bottom of sleeve pipe II
Portion is connected with blast pipe；
The top of described sleeve pipe I is provided with urea input port, and the bottom of described sleeve pipe I is provided with hole；In described sleeve pipe I
Provided with cooling sap cavity, described urea injector integral installation is in cooling down in sap cavity；The nozzle of described urea injector is from set
The hole of the bottom of pipe I passes, and stretches into slightly in sleeve pipe II；The side wall of described sleeve pipe I is provided with coolant inlet pipe, coolant
Efferent duct, described coolant inlet pipe, coolant output tube connect with cooling sap cavity respectively.
Preferably, the junction of described sleeve pipe I and sleeve pipe II is provided with heat insulation loop.
Preferably, heat insulation loop is phenolic resin material.
Preferably, the lower end of described sleeve pipe I and the upper end of sleeve pipe II are respectively equipped with connection ring, described sleeve pipe I and set
Pipe II is spliced by connection ring, is then fixedly connected by screw.
Preferably, the connection of described coolant inlet pipe, coolant output tube and sleeve pipe I, sleeve pipe II and blast pipe
Connection, using argon arc secure weld.
The course of work of the present utility model is as follows：Urea liquid is sprayed into exhaust by the nozzle of urea injector by sleeve pipe II
Guan Zhong, at the same time, coolant flow into cooling sap cavity through coolant inlet pipe and circulated, and coolant exports through coolant afterwards
Pipe flows out, and realizes the cooling protection of urea injector.
The utility model urea injector cooling jacket component, the cavity formed in itself by sleeve pipe I and urea injector
Water jacket is formed, by circulating cooling of the coolant in water jacket, protects urea injector from the heat of high temperature from blast pipe
Radiation, improves the service life of urea injector, also, also includes heat insulation loop in preferred scheme, completely cuts off from the body of sleeve pipe II and passes
The heat come is passed, ensure that and heat radiation is completely cut off in terms of solid with gas, enhance the effect of heat-insulated cooling, enter
One step protects urea injector from the influence of exhaust pipe heat.
Brief description of the drawings
Fig. 1 is the schematic diagram of urea injector cooling jacket component provided by the utility model
Fig. 2 is the perspective view of urea injector cooling jacket component provided by the utility model
Fig. 3 is the scheme of installation of urea injector cooling jacket component provided by the utility model
Each several part title and sequence number are as follows in figure：
1 is urea injector, and 2 be sleeve pipe I, and 3 be sleeve pipe II, and 4 be urea input port, and 5 be cooling sap cavity, and 6 be coolant
Input pipe, 7 be coolant output tube, and 8 be heat insulation loop, and 9 be blast pipe, and 10 be connection ring.
Embodiment
The utility model is illustrated with reference to the accompanying drawings and examples.
Embodiment 1
As Figure 1-3, the urea injector cooling jacket component that the present embodiment provides, including urea injector 1, sleeve pipe
I 2, sleeve pipe II 3, cooling sap cavity 5, coolant inlet pipe 6, coolant output tube 7；
Described sleeve pipe I 2 is hollow cavity, and described sleeve pipe II 3 is the body of upper and lower ends opening；Described sleeve pipe
II 3 upper end is connected with the lower end of sleeve pipe I 2；The described bottom of sleeve pipe II 3 is connected with blast pipe 9；
The top of described sleeve pipe I 2 is provided with urea input port 4, and the bottom of described sleeve pipe I 2 is provided with hole；Described sleeve pipe
It is provided with cooling sap cavity 5 in I 2, the described integral installation of urea injector 1 is in cooling down in sap cavity 5；Described urea injector 1
Nozzle passes from the hole of the bottom of sleeve pipe I 2, stretches into slightly in sleeve pipe II 3；It is defeated that the side wall of described sleeve pipe I 2 is provided with coolant
Enter pipe 6, coolant output tube 7, described coolant inlet pipe 6, coolant output tube 7 connect with cooling sap cavity 5 respectively；
Described sleeve pipe I 2 and the junction of sleeve pipe II 3 are provided with heat insulation loop 8；Described heat insulation loop 8 is phenolic resin material；
The lower end of described sleeve pipe I 2 and the upper end of sleeve pipe II 3 are respectively equipped with connection ring 10, described sleeve pipe I 2 and sleeve pipe
II 3 are spliced by connection ring 10, are then fixedly connected by screw；
Described coolant inlet pipe 6, coolant output tube 7 and the connection of sleeve pipe I 2, the company of sleeve pipe II 3 and blast pipe
Connect, using argon arc secure weld.
The course of work of the present embodiment is as follows:Urea liquid is sprayed into and arranged by the nozzle of urea injector 1 by sleeve pipe II 3
In tracheae 9, at the same time, coolant flows into cooling sap cavity 5 through coolant inlet pipe 6 and circulated, and coolant is through cooling afterwards
Liquid efferent duct 7 flows out, and realizes the cooling protection of urea injector 1.
Claims (5)
1. a kind of urea injector cooling jacket component, including urea injector（1）, sleeve pipe I（2）, sleeve pipe II（3）, coolant
Chamber（5）, coolant inlet pipe（6）, coolant output tube（7）；It is characterized in that：
Described sleeve pipe I（2）For hollow cavity, described sleeve pipe II（3）For the body of upper and lower ends opening；Described sleeve pipe
Ⅱ（3）Upper end and sleeve pipe I（2）Lower end connection；Described sleeve pipe II（3）Bottom and blast pipe（9）Connection；
Described sleeve pipe I（2）Top be provided with urea input port（4）, described sleeve pipe I（2）Bottom be provided with hole；Described set
Pipe I（2）It is interior to be provided with cooling sap cavity（5）, described urea injector（1）Integral installation is in cooling sap cavity（5）In；Described urea
Injector（1）Nozzle from sleeve pipe I（2）The hole of bottom pass, stretch into sleeve pipe II slightly（3）It is interior；Described sleeve pipe I（2）'s
Side wall is provided with coolant inlet pipe（6）, coolant output tube（7）, described coolant inlet pipe（6）, coolant output tube
（7）Respectively with cooling down sap cavity（5）Connection.
2. urea injector cooling jacket component as claimed in claim 1, it is characterised in that：
Described sleeve pipe I（2）With sleeve pipe II（3）Junction be provided with heat insulation loop（8）.
3. urea injector cooling jacket component as claimed in claim 2, it is characterised in that：
Described heat insulation loop（8）For phenolic resin material.
4. urea injector cooling jacket component as claimed in claim 2, it is characterised in that：
Described sleeve pipe I（2）Lower end and sleeve pipe II（3）Upper end be respectively equipped with connection ring（10）, described sleeve pipe I（2）With
Sleeve pipe II（3）Pass through connection ring（10）Splicing, is then fixedly connected by screw.
5. urea injector cooling jacket component as claimed in claim 1, it is characterised in that：
Described coolant inlet pipe（6）, coolant output tube（7）With sleeve pipe I（2）Connection, sleeve pipe II（3）With blast pipe
Connection, using argon arc secure weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352808.5U CN206860264U (en) | 2017-04-06 | 2017-04-06 | Urea injector cooling jacket component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352808.5U CN206860264U (en) | 2017-04-06 | 2017-04-06 | Urea injector cooling jacket component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860264U true CN206860264U (en) | 2018-01-09 |
Family
ID=60816243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352808.5U Active CN206860264U (en) | 2017-04-06 | 2017-04-06 | Urea injector cooling jacket component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295977A (en) * | 2018-03-23 | 2019-10-01 | 欧陆动力系统美国有限责任公司 | Heat shield and gasket for reducing agent supply unit |
-
2017
- 2017-04-06 CN CN201720352808.5U patent/CN206860264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295977A (en) * | 2018-03-23 | 2019-10-01 | 欧陆动力系统美国有限责任公司 | Heat shield and gasket for reducing agent supply unit |
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