CN206331644U - A kind of SCR aftertreatment system simulation test device - Google Patents
A kind of SCR aftertreatment system simulation test device Download PDFInfo
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- CN206331644U CN206331644U CN201621155765.3U CN201621155765U CN206331644U CN 206331644 U CN206331644 U CN 206331644U CN 201621155765 U CN201621155765 U CN 201621155765U CN 206331644 U CN206331644 U CN 206331644U
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- urea
- storage tube
- aftertreatment system
- test device
- simulation test
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Abstract
The utility model discloses a kind of SCR aftertreatment system simulation test device, it includes assembly bracket and the urea solution tank being installed on the assembly bracket, urea liquid supply pump, catalytic muffler, urea storage tube and nozzle, wherein, urea pipette and urea liquid back pipe are connected between the urea solution tank and the urea liquid supply pump, the outlet end of the urea liquid supply pump connects nozzle by urea playpipe, the nozzle is fixed on the urea storage tube, the urea storage tube is fixed on the inlet end of the catalytic muffler, control unit and relay box are additionally provided with the assembly bracket.Above-mentioned SCR aftertreatment system simulation test device is used for the training of SCR aftertreatment system, can simulate the operation principle of SCR aftertreatment system, and post processing recurrence of failure and failure code analysis can be achieved.Not only compact conformation, easy for installation；And it is easily operated, be easily understood.
Description
Technical field
The utility model belongs to diesel engine SCR technology, is used for diesel engine selectivity more particularly, to one kind
The SCR aftertreatment system simulation test device of catalytic conversion system.
Background technology
Compression ignition diesel engine is due to the feature of diesel oil and its combustion system, and much less relative to gasoline engine by HC, CO of discharge,
But the NOx and PM of discharge are a large amount of and deposit.Therefore the emphasis of Exhaust Control for Diesel Engine should reduce particulate matter and NOx discharge
Amount.In order to meet Europe IV and above emission request, it has been difficult that satisfaction is got over that diesel engine, which depends merely on the internal purification technology such as combustion modifications,
Carry out stricter Abgasgesetz, tail gas must by diesel engine outside exhaust aftertreatment devices could be up to standard, and SCR
(Selective Catalytic Reduction, SCR) is to realize the most efficiently approach of IV/Europe of Europe V,
It is the necessary means for realizing Europe IV.Meanwhile, NOx discharge can more effectively be reduced using the engine of SCR technology, and have
Obvious characteristics of energy saving.
Urea solution tank, urea liquid supply pump, relay box etc. are essential important component in SCR system, mesh
Preceding SCR post processing is used in China, but many vehicle factories and terminal user are to the operation principle of whole system and sell
Maintenance is not known about afterwards, there are many mistaken ideas during use.
Disadvantages mentioned above has a strong impact on the all-round popularization of SCR system and the waste of resource, is suddenly treated as those skilled in the art
The problem solved.
Utility model content
The purpose of this utility model is to provide a kind of SCR aftertreatment system simulation test device, and it can be simulated after SCR
The operation principle of processing system, and realize post processing recurrence of failure and failure code analysis, the training for SCR aftertreatment system
Instruction, to solve the above mentioned problem that SCR aftertreatment system exists in use in the prior art.
For up to this purpose, the utility model uses following technical scheme：
A kind of SCR aftertreatment system simulation test device, it includes assembly bracket and is installed on the assembly bracket
Urea solution tank, urea liquid supply pump, catalytic muffler, urea storage tube and nozzle, wherein, the urea solution tank with
Urea pipette and urea liquid back pipe, the outlet end of the urea liquid supply pump are connected between the urea liquid supply pump
Nozzle is connected by urea playpipe, the nozzle is fixed on the urea storage tube, and the urea storage tube is fixed on institute
State and be additionally provided with the inlet end of catalytic muffler, the assembly bracket for inputting analog parameter and controlling whole experimental rig
The control unit run by input parameter and the relay box for controlling whole experimental rig to power.
Especially, urea return duct, the urea backflow are connected between the urea storage tube and the urea solution tank
Urea liquid circulating pump is provided with pipe, the urea being injected in the urea storage tube is drawn back by urea liquid circulating pump
Recycled into the urea solution tank.
Especially, urea liquid canister bracket is fixed with the assembly bracket, the urea solution tank is fixed by band
In on the urea liquid canister bracket.
Especially, the urea storage tube is made of transparent material, and injection urea is observed by urea storage tube
Spray regime, to verify the working condition of SCR aftertreatment system.
Especially, the bottom of the assembly bracket is provided with the universal wheel for being easy to whole device to move.
Especially, the urea solution tank and urea liquid supply pump are installed on the side of the assembly bracket, described to urge
Change silencer and urea storage tube is installed on the relative opposite side of the assembly bracket.
Especially, the urea storage tube is vertically arranged, and the catalytic muffler is vertically arranged with the urea storage tube,
The nozzle is fixed on the top of the urea storage tube.
The beneficial effects of the utility model are that the SCR aftertreatment system simulation test device is used compared with prior art
In the training of SCR aftertreatment system, the operation principle of SCR aftertreatment system can be simulated, can be achieved post processing recurrence of failure and
Failure code is analyzed.Not only compact conformation, easy for installation；And it is easily operated, be easily understood.
Brief description of the drawings
Fig. 1 is the stereochemical structure for the SCR aftertreatment system simulation test device that the utility model embodiment 1 is provided
Figure；
Fig. 2 is the another solid for the SCR aftertreatment system simulation test device that the utility model embodiment 1 is provided
Structure chart.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Refer to shown in Fig. 1 and Fig. 2, in the present embodiment, a kind of SCR aftertreatment system simulation test device includes assembly branch
Frame 1, urea solution tank 2, urea liquid supply pump 3, catalytic muffler 4, urea storage tube 5 and nozzle 6, the assembly bracket 1
On be fixed with urea liquid canister bracket 7, the urea solution tank 2 is fixed on the urea liquid canister bracket 7 by band 8,
The urea solution tank 2 and urea liquid supply pump 3 are installed on the side of the assembly bracket 1, the catalytic muffler 4 and urine
Plain storage tube 5 is installed on the relative opposite side of the assembly bracket 1.It is provided with the urea liquid canister bracket 7 for controlling
The relay box 9 that whole experimental rig is powered.
Urea pipette 10 is connected between the urea solution tank 2 and the urea liquid supply pump 3 and urea returns liquid
Pipe 12, the outlet end of the urea liquid supply pump 3 connects nozzle 6 by urea playpipe 11, and the nozzle 6 is fixed on described
The top of urea storage tube 5, the urea storage tube 5 is vertically arranged and is made of transparent material, the catalytic muffler 4 with
The urea storage tube 5 is vertically arranged, and the urea storage tube 5 is fixed on the inlet end of the catalytic muffler 4.
Urea return duct 16, the urea return duct 16 are connected between the urea storage tube 5 and the urea solution tank 2
On be provided with urea liquid circulating pump 13, the urea that will be injected to by urea liquid circulating pump 13 in the urea storage tube 5
It is withdrawn into the urea solution tank 2 and recycles.
The bottom of the assembly bracket 1 is provided with the universal wheel 14 for being easy to whole device to move.On the assembly bracket 1 also
The control unit 15 for inputting analog parameter and controlling whole experimental rig to be run by input parameter is provided with, the control is single
Member 15 can simulate each signal parameter in SCR aftertreatment system, and corresponding urea injecting quantity is calculated according to parameter, so as to control urine
The urea injecting quantity of plain solution supply pump 3, is ejected into urea storage tube 5 by urea playpipe 11, can also be each by setting
Malfunction, so as to simulate each recurrence of failure and accident analysis.
Above example is to elaborate general principle of the present utility model and characteristic, and the utility model is not by above-mentioned example
Limitation, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change and change, these changes
Change and change and both fall within the range of claimed the utility model.Scope is claimed in the utility model will by appended right
Ask book and its equivalent thereof.
Claims (7)
1. a kind of SCR aftertreatment system simulation test device, it is characterised in that it includes assembly bracket and is installed on described total
Into the urea solution tank on support, urea liquid supply pump, catalytic muffler, urea storage tube and nozzle, wherein, the urea
Urea pipette and urea liquid back pipe, the urea liquid supply pump are connected between NaOH solution tank NaOH and the urea liquid supply pump
Outlet end nozzle is connected by urea playpipe, the nozzle is fixed on the urea storage tube, the urea storage tube
It is fixed on the inlet end of the catalytic muffler, the assembly bracket and is additionally provided with for inputting analog parameter and control entirely
The control unit that experimental rig is run by input parameter and the relay box for controlling whole experimental rig to power.
2. SCR aftertreatment system simulation test device according to claim 1, it is characterised in that the urea storage tube
It is connected between the urea solution tank on urea return duct, the urea return duct and is provided with urea liquid circulating pump.
3. SCR aftertreatment system simulation test device according to claim 1 or 2, it is characterised in that the assembly bracket
On be fixed with urea liquid canister bracket, the urea solution tank is fixed on the urea liquid canister bracket by band.
4. SCR aftertreatment system simulation test device according to claim 1, it is characterised in that the urea storage tube
It is made of transparent material.
5. SCR aftertreatment system simulation test device according to claim 1, it is characterised in that the assembly bracket
Bottom is provided with the universal wheel for being easy to whole device to move.
6. SCR aftertreatment system simulation test device according to claim 1, it is characterised in that the urea solution tank
The side of the assembly bracket is installed on urea liquid supply pump, catalytic muffler and the urea storage tube is installed on described
The relative opposite side of assembly bracket.
7. SCR aftertreatment system simulation test device according to claim 1, it is characterised in that the urea storage tube
It is vertically arranged, the catalytic muffler is vertically arranged with the urea storage tube, the nozzle is fixed on the urea storage tube
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155765.3U CN206331644U (en) | 2016-10-31 | 2016-10-31 | A kind of SCR aftertreatment system simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155765.3U CN206331644U (en) | 2016-10-31 | 2016-10-31 | A kind of SCR aftertreatment system simulation test device |
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| Publication Number | Publication Date |
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| CN206331644U true CN206331644U (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621155765.3U Active CN206331644U (en) | 2016-10-31 | 2016-10-31 | A kind of SCR aftertreatment system simulation test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051224A (en) * | 2017-10-19 | 2018-05-18 | 潍柴动力股份有限公司 | SCR system test device |
-
2016
- 2016-10-31 CN CN201621155765.3U patent/CN206331644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051224A (en) * | 2017-10-19 | 2018-05-18 | 潍柴动力股份有限公司 | SCR system test device |
| CN108051224B (en) * | 2017-10-19 | 2020-01-31 | 潍柴动力股份有限公司 | SCR system testing device |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230925 Address after: 214000, 158 Ouyang Road, Qianqiao Street, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Ouruisen Inspection Technology Service Co.,Ltd. Address before: 214000 No. 158 Ouyang Road, Miaotangqiao Supporting Area, Qianqiao, Huishan Economic Development Zone, Huishan District, Wuxi City, Jiangsu Province Patentee before: KAILONG HIGH TECHNOLOGY Co.,Ltd. |