CN204827614U - Outband cooling function's automatically controlled type urea nozzle - Google Patents
Outband cooling function's automatically controlled type urea nozzle Download PDFInfo
- Publication number
- CN204827614U CN204827614U CN201520514337.4U CN201520514337U CN204827614U CN 204827614 U CN204827614 U CN 204827614U CN 201520514337 U CN201520514337 U CN 201520514337U CN 204827614 U CN204827614 U CN 204827614U
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- China
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- cooling liquid
- coolant jacket
- section
- head body
- shower nozzle
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Abstract
The utility model relates to an outband cooling function's automatically controlled type urea nozzle, it includes the shower nozzle body, connects gradually solenoid valve and nozzle inlet pipe at shower nozzle body afterbody, wherein: in a coolant jacket is installed to the periphery of shower nozzle body and solenoid valve, the bottom of coolant jacket is equipped with the through -hole that supplies shower nozzle body bottom jet to expose, the shaping has the coolant liquid runner in the coolant jacket, and this coolant liquid runner has and encircles the curvilinear figure runner section and coolant liquid inducer and the cooling liquid exit section of intercommunication at these curvilinear figure runner section both ends of shower nozzle body. The utility model adopts the above structure, urea nozzle especially peripheral setting of shower nozzle body has the coolant jacket that surrounds shape cooling runner, through to constantly letting in the coolant liquid in the coolant liquid runner, surrounds the heat that produces when shower nozzle body and electromagnetic valve work can be taken away all -roundly to shape cooling runner, plays better cooling effect, avoids appearing the crystallization or generates the polymer and stop up the jet orifice.
Description
Technical field:
The utility model relates to tail gas processing system of diesel engine (SCR system) equipment technical field, refers in particular to a kind of electronic control type urea nozzle with outer refrigerating function.
Background technique:
There is easy crystallization in high temperature environments for avoiding the urea nozzle in tail gas processing system of diesel engine (SCR system) or generate the situations such as polymer plugging spray orifice, urea nozzle needs refrigerating function, but the nozzle of existing band refrigerating function only has Local cooling, namely only cooling liquid flowing channel is had in nozzle body side, cause cooling effect bad, still easily cause nozzle to burn out and high temperature crystallization, affect working life.
Model utility content:
The purpose of this utility model is the above-mentioned deficiency of existing product, provides a kind of electronic control type urea nozzle with outer refrigerating function.
The technical solution adopted in the utility model is: a kind of electronic control type urea nozzle with outer refrigerating function, it comprises head body, is connected to the solenoid valve of head body afterbody and nozzle inlet pipe in turn, wherein: be provided with a coolant jacket in the periphery of described head body and solenoid valve, the bottom of described coolant jacket is provided with the through hole exposed for head body base injcction mouth; In described coolant jacket, form cooling liquid flowing channel, and this cooling liquid flowing channel have around described head body curvilinerar figure flow channel section and be communicated with cooling liquid inlet section at these curvilinerar figure flow channel section two ends and cooling liquid outlet section.
Described curvilinerar figure flow channel section is in " Ω " shape.
Described coolant jacket has the holding space holding described head body and solenoid valve, communicates bottom holding space with described through hole.
Described coolant jacket sidepiece has the breach supplying the Wiring port of solenoid valve to pass.
The side of described coolant jacket is provided with a rake, described cooling liquid inlet section, cooling liquid outlet section are arranged in this rake, and this rake end face are provided with the cooling liquid inlet pipe, the coolant outlet that are connected respectively with cooling liquid inlet section, cooling liquid outlet section.
The utility model adopts said structure, urea nozzle especially head body periphery is provided with the coolant jacket around shape coolant flow channel, by constantly passing into cooling liquid in cooling liquid flowing channel, the heat produced when can take away head body and electromagnetic valve work in all directions around shape coolant flow channel, play better cooling effect, make urea nozzle maintain lower operating temperature, avoid occurring crystallization or generating polymer and block spray-hole, the working life of urea nozzle can be extended simultaneously.
Accompanying drawing illustrates:
Fig. 1 is overall perspective view of the present utility model
Fig. 2 is plan view of the present utility model;
Fig. 3, Fig. 4, Fig. 5 are the sectional view of A-A, B-B, C-C in Fig. 2 respectively.
Embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
As shown in Fig. 1 ~ Fig. 5, a kind of electronic control type urea nozzle with outer refrigerating function described in the utility model, it comprises head body 1, is connected to solenoid valve 2 and the nozzle inlet pipe 3 of head body 1 afterbody in turn, wherein: be provided with a coolant jacket 4 in the periphery of described head body 1 and solenoid valve 2, the bottom of described coolant jacket 4 is provided with the through hole 41 exposed for head body 1 base injcction mouth 11; In described coolant jacket 4, form cooling liquid flowing channel 42, and this cooling liquid flowing channel 42 have around described head body 1 curvilinerar figure flow channel section 421 and be communicated with cooling liquid inlet section 422 at these curvilinerar figure flow channel section 421 two ends and cooling liquid outlet section 423.Described curvilinerar figure flow channel section 421 is in " Ω " shape, and curvilinerar figure flow channel section 421 can make heat exchange area as far as possible large, and heat transfer effect is better.
The side of described coolant jacket 4 is provided with a rake 43, described cooling liquid inlet section 422, cooling liquid outlet section 423 are arranged in this rake 43, the two V-shaped layout, and this rake 43 end face is provided with the cooling liquid inlet pipe 44, the coolant outlet 45 that are connected respectively with cooling liquid inlet section 422, cooling liquid outlet section 423.Rake 43 is relative to head body 1 axis inclination several angle, in 20 ° of angles in the present embodiment, namely the axis place plane of cooling liquid inlet section 422, cooling liquid outlet section 423 is 110 ° of angles relative to curvilinerar figure flow channel section 421 axis place plane, its effect is convenient to connect feed pipe and drain pipe, space shared by simultaneously as far as possible reducing, reduces the overall volume of product.
Described coolant jacket 4 has the holding space 400 holding described head body 1 and solenoid valve 2, communicates bottom holding space 400 with described through hole 41; Coolant jacket 4 top is open-minded, this holding space 400 inserted by head body 1 and solenoid valve 2 from top, head body 1, solenoid valve 2, nozzle inlet pipe 3 entirety are bolted mode and are connected with coolant jacket 4, and make jetburner relative with the through hole 41 bottom coolant jacket 4 down.
Described coolant jacket 4 sidepiece has the breach 401 supplying the Wiring port 21 of solenoid valve 2 to pass.The Wiring port 21 of solenoid valve 2 is inclined upwardly from coolant jacket 4 sidepiece, is convenient to connect wire or guide line port.
In the utility model, coolant jacket 4 entirety and interior cooling liquid flowing channel thereof adopt forging type integral production shaping, coolant jacket 4 top is open-minded, and head body 1 and solenoid valve 2 insert this holding space from top, and makes jetburner 11 relative with the through hole 41 bottom coolant jacket 4 down.During assembling, head body 1, solenoid valve 2, nozzle inlet pipe 3 entirety are bolted mode and are connected with coolant jacket 4.
The utility model adopts said structure, urea nozzle especially head body 1 periphery is provided with the coolant jacket 4 around shape coolant flow channel, by constantly passing into cooling liquid in cooling liquid flowing channel 42, the heat produced when can take away head body and electromagnetic valve work in all directions around shape coolant flow channel, play better cooling effect, make urea nozzle maintain lower operating temperature, avoid occurring crystallization or generating polymer and block spray-hole, the working life of urea nozzle can be extended simultaneously.
Claims (5)
1. the electronic control type urea nozzle of the outer refrigerating function of band, it comprises head body, is connected to the solenoid valve of head body afterbody and nozzle inlet pipe in turn, it is characterized in that: be provided with a coolant jacket in the periphery of described head body and solenoid valve, the bottom of described coolant jacket is provided with the through hole exposed for head body base injcction mouth; In described coolant jacket, form cooling liquid flowing channel, and this cooling liquid flowing channel have around described head body curvilinerar figure flow channel section and be communicated with cooling liquid inlet section at these curvilinerar figure flow channel section two ends and cooling liquid outlet section.
2. the electronic control type urea nozzle of the outer refrigerating function of band according to claim 1, is characterized in that: described curvilinerar figure flow channel section is in " Ω " shape.
3. the electronic control type urea nozzle of the outer refrigerating function of band according to claim 1, is characterized in that: described coolant jacket has the holding space holding described head body and solenoid valve, communicates bottom holding space with described through hole.
4. the electronic control type urea nozzle of the outer refrigerating function of the band according to claim 1 or 3, is characterized in that: described coolant jacket sidepiece has the breach supplying the Wiring port of solenoid valve to pass.
5. the electronic control type urea nozzle of the outer refrigerating function of band according to claim 1, it is characterized in that: the side of described coolant jacket is provided with a rake, described cooling liquid inlet section, cooling liquid outlet section are arranged in this rake, and this rake end face are provided with the cooling liquid inlet pipe, the coolant outlet that are connected respectively with cooling liquid inlet section, cooling liquid outlet section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514337.4U CN204827614U (en) | 2015-07-15 | 2015-07-15 | Outband cooling function's automatically controlled type urea nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514337.4U CN204827614U (en) | 2015-07-15 | 2015-07-15 | Outband cooling function's automatically controlled type urea nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827614U true CN204827614U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520514337.4U Active CN204827614U (en) | 2015-07-15 | 2015-07-15 | Outband cooling function's automatically controlled type urea nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168150A (en) * | 2016-09-14 | 2016-11-30 | 无锡威孚高科技集团股份有限公司 | Nozzle coolant jacket structure |
| CN109196196A (en) * | 2016-05-30 | 2019-01-11 | 罗伯特·博世有限公司 | For spraying/the cooling body of metering valve |
-
2015
- 2015-07-15 CN CN201520514337.4U patent/CN204827614U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109196196A (en) * | 2016-05-30 | 2019-01-11 | 罗伯特·博世有限公司 | For spraying/the cooling body of metering valve |
| CN109196196B (en) * | 2016-05-30 | 2021-04-09 | 罗伯特·博世有限公司 | Cooling body for injection/metering valve |
| CN106168150A (en) * | 2016-09-14 | 2016-11-30 | 无锡威孚高科技集团股份有限公司 | Nozzle coolant jacket structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |