CN204609993U - For the external filter screen device of cooling liquid pipeline of SCR system - Google Patents
For the external filter screen device of cooling liquid pipeline of SCR system Download PDFInfo
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- CN204609993U CN204609993U CN201520191216.0U CN201520191216U CN204609993U CN 204609993 U CN204609993 U CN 204609993U CN 201520191216 U CN201520191216 U CN 201520191216U CN 204609993 U CN204609993 U CN 204609993U
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- filter screen
- cooling liquid
- scr system
- outer tube
- inlet joint
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Abstract
The utility model discloses a kind of external filter screen device of cooling liquid pipeline for SCR system, it comprises outer tube, liquid inlet joint and filter screen, wherein, described filter screen is arranged in described outer tube, described liquid inlet joint and filter screen connect as one, and the bottom of described filter screen is provided with the magnet steel for adsorbing iron filings in cooling liquid, described outer tube is arranged at cooling liquid in SCR system by liquid inlet joint and enters on the leading portion pipeline of heating electromagnetic valve.The above-mentioned external filter screen device of cooling liquid pipeline for SCR system is arranged at the leading portion pipeline that cooling liquid in SCR system enters heating electromagnetic valve, the cooling liquid entering heating electromagnetic valve is filtered in advance, prevent the impurity in cooling liquid from entering in heating electromagnetic valve, not only efficiently avoid the heating electromagnetic valve caused because impurity in cooling liquid enters heating electromagnetic valve malfunctioning, extend the working life of heating electromagnetic valve; And substantially increase SCR system reliability of operation.
Description
Technical field
The utility model relates to a kind of filtrating equipment, particularly relates to a kind of external filter screen device of cooling liquid pipeline for SCR system.
Background technique
Selective catalytic reduction technology (SCR) is a treatment process for NOx in exhaust gas from diesel vehicle discharge, namely under the effect of catalyzer, sprays into reducing agent ammonia or urea, the NOx in tail gas is reduced into N
2and H
2o.
At present, in existing SCR system, cooling liquid directly enters heating electromagnetic valve without filtration, and the impurity in cooling liquid, particularly iron filings easily cause heating electromagnetic defective valve after entering solenoid valve, cause system normally to work.
Model utility content
The purpose of this utility model is to provide a kind of external filter screen device of cooling liquid pipeline for SCR system, and it can prevent the impurity in cooling liquid from entering heating electromagnetic valve.To solve the problems referred to above that in prior art, SCR system exists.
For reaching this object, the utility model by the following technical solutions:
A kind of external filter screen device of cooling liquid pipeline for SCR system, it comprises outer tube, liquid inlet joint and filter screen, wherein, described filter screen is arranged in described outer tube, described liquid inlet joint and filter screen connect as one, and the bottom of described filter screen is provided with the magnet steel for adsorbing iron filings in cooling liquid, described outer tube is arranged at cooling liquid in SCR system by liquid inlet joint and enters on the leading portion pipeline of heating electromagnetic valve.
Especially, described outer tube adopts rigid plastics part, and described liquid inlet joint adopts working of plastics, is connected as one between described outer tube and described liquid inlet joint by hot melting way.
Especially, described outer tube adopts rubber hose, and described rubber hose is fixed in described liquid inlet joint by clip.
Especially, described filter screen adopts stainless steel to make, and the bottom of described filter screen is provided with the accommodating parts for placing magnet steel, and described accommodating parts are working of plastics, and adopt sweat soldering to be integrated between described accommodating parts and described filter screen.
Especially, the outer wall of described outer tube is arranged at intervals with some roads stiffening rib.
Especially, in described liquid inlet joint, joint that is corresponding and described outer tube is provided with the lug boss for sealing.
Especially, the internal diameter of described filter screen reduces successively along the flow direction of cooling liquid.
The beneficial effects of the utility model are, compared with prior art the described external filter screen device of cooling liquid pipeline for SCR system is arranged at the leading portion pipeline that cooling liquid in SCR system enters heating electromagnetic valve, the cooling liquid entering heating electromagnetic valve is filtered in advance, prevent the impurity in cooling liquid from entering in heating electromagnetic valve, not only efficiently avoid the heating electromagnetic valve caused because impurity in cooling liquid enters heating electromagnetic valve malfunctioning, extend the working life of heating electromagnetic valve; And substantially increase SCR system reliability of operation.
Accompanying drawing explanation
Fig. 1 is the plan view of the external filter screen device of cooling liquid pipeline for SCR system that the utility model embodiment 1 provides;
Fig. 2 is the sectional drawing of the external filter screen device of cooling liquid pipeline for SCR system that the utility model embodiment 1 provides;
Fig. 3 is the plan view of the external filter screen device of cooling liquid pipeline for SCR system that the utility model embodiment 2 provides;
Fig. 4 is the sectional drawing of the external filter screen device of cooling liquid pipeline for SCR system that the utility model embodiment 2 provides.
In figure:
1, outer tube; 2, liquid inlet joint; 3, filter screen; 4, magnet steel; 5, accommodating parts; 6, lug boss; 7, stiffening rib; 8, clip.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one:
Refer to shown in Fig. 1 and Fig. 2, in the present embodiment, a kind of external filter screen device of cooling liquid pipeline for SCR system comprises outer tube 1, liquid inlet joint 2 and filter screen 3, described filter screen 3 is arranged in described outer tube 1, described liquid inlet joint 2 connects as one with filter screen 3, and the bottom of described filter screen 3 is provided with magnet steel 4, thus iron filings in liquid effectively can be adsorbed on bottom filter screen 3, enhance serviceability and the filter capacity of filter screen 3.Described outer tube 1 is arranged at cooling liquid in SCR system by liquid inlet joint 2 and enters on the leading portion pipeline of heating electromagnetic valve.Described outer tube 1 adopts rigid plastics part, and described liquid inlet joint 2 adopts working of plastics, is connected as one between described outer tube 1 and described liquid inlet joint 2 by hot melting way, simple and compact for structure.Described filter screen 3 adopts stainless steel to make, and the bottom of described filter screen 3 is provided with the accommodating parts 5 for placing magnet steel 4, and described accommodating parts 5 are working of plastics, and adopt sweat soldering to be integrated between described accommodating parts 5 and described filter screen 3.
In described liquid inlet joint 2, joint that is corresponding and described outer tube 1 is provided with the lug boss 6 for sealing.
The outer wall of described outer tube 1 is arranged at intervals with some roads stiffening rib 7, described stiffening rib 7 not only plays the effect of the intensity increasing outer tube 1, plays the crashproof effect with being convenient to fixing outer tube 1 simultaneously.
Embodiment two:
Refer to shown in Fig. 3 and Fig. 4, the present embodiment is the different of outer tube 1 from the main distinction of embodiment one, outer tube 1 in the present embodiment adopts rubber hose, described rubber hose is fixed in described liquid inlet joint 2 by clip 8, to make installation form flexible and changeable, be applicable to install in all pipelines of heating electromagnetic valve.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. the external filter screen device of cooling liquid pipeline for SCR system, it is characterized in that, it comprises outer tube, liquid inlet joint and filter screen, described filter screen is arranged in described outer tube, described liquid inlet joint and filter screen connect as one, and the bottom of described filter screen is provided with the magnet steel for adsorbing iron filings in cooling liquid, described outer tube is arranged at cooling liquid in SCR system by liquid inlet joint and enters on the leading portion pipeline of heating electromagnetic valve.
2. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, it is characterized in that, described outer tube adopts rigid plastics part, and described liquid inlet joint adopts working of plastics, is connected as one between described outer tube and described liquid inlet joint by hot melting way.
3. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, is characterized in that, described outer tube adopts rubber hose, and described rubber hose is fixed in described liquid inlet joint by clip.
4. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, it is characterized in that, described filter screen adopts stainless steel to make, and the bottom of described filter screen is provided with the accommodating parts for placing magnet steel, described accommodating parts are working of plastics, and adopt sweat soldering to be integrated between described accommodating parts and described filter screen.
5. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, is characterized in that, the outer wall of described outer tube is arranged at intervals with some roads stiffening rib.
6. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, is characterized in that, in described liquid inlet joint, joint that is corresponding and described outer tube is provided with the lug boss for sealing.
7. the external filter screen device of cooling liquid pipeline for SCR system according to claim 1, is characterized in that, the internal diameter of described filter screen reduces successively along the flow direction of cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191216.0U CN204609993U (en) | 2015-03-31 | 2015-03-31 | For the external filter screen device of cooling liquid pipeline of SCR system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191216.0U CN204609993U (en) | 2015-03-31 | 2015-03-31 | For the external filter screen device of cooling liquid pipeline of SCR system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204609993U true CN204609993U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191216.0U Active CN204609993U (en) | 2015-03-31 | 2015-03-31 | For the external filter screen device of cooling liquid pipeline of SCR system |
Country Status (1)
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|---|---|
| CN (1) | CN204609993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775880A (en) * | 2015-03-31 | 2015-07-15 | 凯龙高科技股份有限公司 | External filter screen device of coolant liquid pipeline for SCR (Selective Catalytic Reduction) system |
-
2015
- 2015-03-31 CN CN201520191216.0U patent/CN204609993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775880A (en) * | 2015-03-31 | 2015-07-15 | 凯龙高科技股份有限公司 | External filter screen device of coolant liquid pipeline for SCR (Selective Catalytic Reduction) system |
| CN104775880B (en) * | 2015-03-31 | 2018-08-03 | 凯龙高科技股份有限公司 | The external filter net device of coolant liquid pipeline for SCR system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |