CN206523481U - Ship SCR reactors quick aging and testing stand for performance test device - Google Patents
Ship SCR reactors quick aging and testing stand for performance test device Download PDFInfo
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- CN206523481U CN206523481U CN201720173518.4U CN201720173518U CN206523481U CN 206523481 U CN206523481 U CN 206523481U CN 201720173518 U CN201720173518 U CN 201720173518U CN 206523481 U CN206523481 U CN 206523481U
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Abstract
A kind of ship SCR reactors quick aging of technical field of internal combustion engines and testing stand for performance test device, including main air blower component, inlet air flow gauge, combustion section, dilution mixing section, bypass line, data acquisition control system etc..This new ship SCR reactors quick aging and testing stand for performance test device, by controlling oil spout, igniting, burning, diesel engine vent gas is simulated, the test loop operating mode such as E2/E3/D2 can be simulated, post-processing SCR reactors to boat diesel engine carries out performance test；The delivery temperature of burning can be improved, flow and concentration needed for control carry out quick aging to SCR reactors, emission effect in Life cycle tested.The utility model is reasonable in design, simple in construction, it is adaptable to the optimization design of internal combustion engine after-treatment system Accelarated aging test stand.
Description
Technical field
The utility model is related to ship SCR reactors quick aging and testing stand for performance test device frame field, especially
For a kind of test-bed device of ship SCR reactor permanent seal cooling testing fields.
Background technology
In terms of engine of boat and ship emission control, according to relevant laws and regulations (such as Tier III of International Maritime Organization (IMO)
With national environmental protection portion by issue《Engine of boat and ship tailpipe emission limit value and measuring method (first and second stage)》) will
Ask, engine of boat and ship post-processes environmental protecting device and (arrives first and be defined) efficiency in 10 years in actual motion 10,000 hour or after installing
Emission regulation demands must be met.Abgasgesetz proposes very high requirement to the durability for post-processing environmental protecting device.
Engine of boat and ship post processing environmental protecting device is mainly SCR reactors, and the core of SCR reactors is negative for inside reactor
The catalyst of load, but catalyst in the process of running can gradually aging (heat ageing, abrasion, poisoning, cracking etc.), cause post processing
Unit efficiency is gradually reduced.Therefore, the key for improving diesel engine after treatment environmental protecting device durability is improved after catalyst aging
Performance.
If it is desired to which SCR reactors undergo the bench test of tens of thousands of hours on engine pedestal, this needs to expend huge
Manpower and materials.
The aging of SCR reactors is mainly heat ageing (weight>90%).Theoretically, heat ageing speed is temperature
Function.Research shows that catalyst can be by quick heat ageing at high temperature for SCR catalyst.But conventional diesel engines are difficult to produce
High-temperature tail gas higher than 600 DEG C is used to the ageing process of accelerator activator.
The exhaust gas flow of engine of boat and ship is up to tens of thousands of kilograms per hour, if being difficult to produce so using general burner
High flow, is allowed to quick aging.The research of the permanent seal cooling test of ship SCR reactors has just just started.
The content of the invention
The utility model is mainly solving the technical problems that provide a kind of ship SCR reactors quick aging and performance test
Test-bed device.The Emission test cycle of engine of boat and ship can be simulated, performance test is carried out to SCR reactors, while can
To carry out quick aging, emission effect of the test SCR reactors in Life cycle to SCR reactors.
The utility model is achieved through the following technical solutions, and the utility model enters including frequency conversion main air blower, first
Air-flow gauge, air main, dilution air, the second inlet air flow gauge, the first reducer pipe, fuel injector, spark plug, vortex board, flame
Stabilizer, the first combustion section, the second combustion section, the 3rd combustion section, the second reducer pipe, dilution blender, the first discharge
Analyzer, the second emission analyzer, SCR reactors, test lead, two-way valve, bypass pipe, sub-control box, dilution airduct, main wind
The air inlet of pipe is connected with the gas outlet of frequency conversion main air blower, the first inlet air flow gauge is arranged on air main, and air main goes out
Gas port is connected with the air inlet of the first reducer pipe, and the gas outlet of the second reducer pipe is connected with diluting the air inlet of blender,
First combustion section, the second combustion section, the 3rd combustion section are arranged between the first reducer pipe, the second reducer pipe parallel, spray
Oily device, vortex board, spark plug, flameholder are sequentially arranged in the first combustion section, the second combustion section, the 3rd combustion chamber
Duan Shang, the air inlet of dilution airduct is connected with the gas outlet of dilution air, dilutes gas outlet and the dilution blender phase of airduct
Connection, the second inlet air flow gauge is arranged on dilution airduct, and the air inlet of test lead is connected with diluting the gas outlet of blender
Connect, SCR reactors are arranged on test lead, the first emission analyzer, the second emission analyzer are arranged in SCR reactors
On front and rear test lead, the air inlet of bypass pipe is connected with the test lead before SCR reactors, and two-way valve is arranged in
On bypass pipe, each automatically controlled device of bench frame apparatus is connected by wire harness with sub-control box.
Further, the utility model also includes force (forcing) pump, the first guiding device, the second guiding device, mixing water conservancy diversion dress
Put, force (forcing) pump is connected with fuel injector, the first guiding device, the second guiding device are arranged in the interior of dilution blender, and mixing is led
Stream device is arranged in the interior forward end of SCR reactors.
Further, in the utility model, fuel injector is arranged in the center of vortex board.
Further, in the utility model, each combustion section spark plug group arranges two groups, every group of four sparks
Plug is distributed in 90 degree, and 100mm is spaced between two groups of spark plugs.
Compared with prior art, the utility model has the advantages that：The utility model is reasonable in design, structure letter
It is single, by oil spout ignition, the tail gas of engine of boat and ship can be simulated, temperature, concentration and flow in accurate control exhaust,
Performance detection and the quick aging of ship SCR reactors can be carried out.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of combustion section in the utility model；
Wherein:1st, frequency conversion main air blower, the 2, first inlet air flow gauge, 3, dilution air, the 4, second inlet air flow gauge, 5,
One reducer pipe, 6, fuel injector, 7, force (forcing) pump, 8, spark plug, 9, vortex board, 10, flameholder, the 11, first combustion section,
12nd, the second combustion section, the 13, the 3rd combustion section, the 14, second reducer pipe, the 15, first guiding device, the 16, second water conservancy diversion dress
Put, 17, dilution blender, the 18, first emission analyzer, the 19, second emission analyzer, 20, mixing guiding device, 21, SCR it is anti-
Answer device, 22, test lead, 23, two-way valve, 24, bypass pipe, 25, sub-control box, 26, air main, 27, dilution airduct.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings, the present embodiment is with the utility model technical side
Premised on case, detailed embodiment and specific operating process are given, but protection domain of the present utility model is not limited to down
The embodiment stated.
Embodiment
As depicted in figs. 1 and 2, the utility model includes frequency conversion main air blower 1, the first inlet air flow to embodiment of the present utility model
Gauge 2, dilution air 3, the second inlet air flow gauge 4, the first reducer pipe 5, fuel injector 6, force (forcing) pump 7, spark plug 8, vortex board 9,
Flameholder 10, the first combustion section 11, the second combustion section 12, the 3rd combustion section 13, the second reducer pipe 14, first
Guiding device 15, the second guiding device 16, dilution blender 17, the first emission analyzer 18, the second emission analyzer 19, mixing
Guiding device 20, SCR reactors 21, test lead 22, two-way valve 23, bypass pipe 24, sub-control box 25, air main 26, dilution
Airduct 27, the air inlet of air main 26 is connected with the gas outlet of frequency conversion main air blower 1, and the first inlet air flow gauge 2 is arranged in main wind
On pipe 26, the gas outlet of air main 26 is connected with the air inlet of the first reducer pipe 5, the gas outlet of the second reducer pipe 14 and dilution
The air inlet of blender 17 is connected, and the first combustion section 11, the second combustion section 12, the 3rd combustion section 13 are arranged in parallel
Between first reducer pipe 5, the second reducer pipe 14, fuel injector 6, vortex board 9, spark plug 8, flameholder 10 are sequentially arranged in
First combustion section 11, the second combustion section 12, on the 3rd combustion section 13, dilute the air inlet and dilution air 3 of airduct 27
Gas outlet be connected, dilute airduct 27 gas outlet with dilute blender 17 be connected, the second inlet air flow gauge 4 is arranged in
Dilute on airduct 27, the air inlet of test lead 22 is connected with diluting the gas outlet of blender 17, and SCR reactors 21 are arranged
On test lead 22, the first emission analyzer 18, the second emission analyzer 19 are arranged in before and after SCR reactors 21
On test lead 22, the air inlet of bypass pipe 24 is connected with the test lead 22 before SCR reactors 21, and two-way valve 23 is arranged
On bypass pipe 24, each automatically controlled device of bench frame apparatus is connected by wire harness with sub-control box 25；Force (forcing) pump 7 and fuel injector 6
It is connected, the first guiding device 15, the second guiding device 16 are arranged in the interior of dilution blender 17, mix the cloth of guiding device 20
The interior forward end in SCR reactors 21 is put, fuel injector 6 is arranged in the center of vortex board 9, in each combustion section spark plug group 8
Two groups are arranged, every group of four spark plugs are distributed in 90 degree, 100mm is spaced between two groups of spark plugs.
Because the extraction flow of boat diesel engine may be up to tens of thousands of kilograms per hour, if pipe is too thick, spark plug group 8 is by nothing
Method is lighted or combustion inner pipe mode changes, therefore the combustion section is made up of three sections of pipes, oil spout ignition respectively.For
Make air-fuel mixture uniform, therefore vortex board 9, the centrally disposed fuel injector 6 of vortex board 9, fuel injector 6 are set inside combustion section
Pressurizeed by force (forcing) pump 7, make oil atomizing effect more preferable.Air sprays diesel oil with fuel injector 6 by vortex board 9 and mixed, warp
Spark plug group 8 is lighted, then by flameholder, makes the stable burning of gas mixture.
Fig. 2 is test-bed burning zone schematic diagram, and the high-temperature exhaust air that three sections of combustion chambers are produced is imported through the second reducer pipe 14
Dilute in mixing section 17, dilution air 3 imports diluent air in dilution mixing section 17 by the second inlet air flow gauge 4, high temperature
Exhaust and diluent air are mixed in dilution mixing section 14 through two-stage guiding device, and mixed gas flow is up to several
Ten thousand kilograms per hour.
Mixed gas enters before SCR reactors 21 again, will also make to enter SCR reactors by mixing guiding device 20
21 gas becomes uniform, smooth.Emission analyzer measurement apparatus is respectively provided with before and after SCR reactors 21, to measure SCR front and rear rows
Each component concentration in gas.By the two-way valve 23 on bypass pipe 24 flow into SCR reactors 21 can be controlled big
It is small.Uninterrupted by SCR reactors 21 can be measured by differential pressure flowmeter.
Control device measures the temperature of each measurement point, pressure by temperature sensor, pressure sensor in sub-control box 25；Together
When control device control fuel injector injection and spark plug igniting；With the first emission analyzer 18, the second emission analyzer 19,
Frequency conversion fan 1 and dilution air 3 carry out communication acquisition data.Result is finally passed into computer controlled interface by netting twine.
In summary, the utility model is provided a kind of ship SCR reactors quick aging and testing stand for performance test
Device, the tail gas for testing SCR reactors is produced by burner, and accurate control enters temperature, concentration and the stream of SCR reactors
Amount, can carry out the test loop operating mode such as E2/E3/D2 of ship, and performance test is carried out to ship SCR reactors.It can improve
The inlet temperature of SCR reactors, quick aging is carried out to SCR catalyst, detects that SCR reactors are entirely being given birth within a short period of time
The emission effect in life cycle, to reach durability test.
The utility model is illustrated by specific implementation process, in the case where not departing from the utility model scope,
Various conversion and equivalent replacement can also be carried out to the utility model example, therefore, the utility model patent is not limited to disclosed
Specific implementation process, and whole embodiments for falling into the utility model scope of the patent claims should be included.
Claims (4)
1. a kind of ship SCR reactors quick aging and testing stand for performance test device, including frequency conversion main air blower (1), first
Inlet air flow gauge (2), air main (26), the air inlet of air main (26) are connected with the gas outlet of frequency conversion main air blower (1), and first
Inlet air flow gauge (2) is arranged on air main (26), it is characterised in that also including dilution air (3), the second inlet air flow gauge
(4), the first reducer pipe (5), fuel injector (6), spark plug (8), vortex board (9), flameholder (10), the first combustion section
(11), the second combustion section (12), the 3rd combustion section (13), the second reducer pipe (14), dilution blender (17), the first discharge
Analyzer (18), the second emission analyzer (19), SCR reactors (21), test lead (22), two-way valve (23), bypass pipe
(24), sub-control box (25), dilution airduct (27), the gas outlet of air main (26) are connected with the air inlet of the first reducer pipe (5),
The gas outlet of second reducer pipe (14) is connected with the air inlet of dilution blender (17), the first combustion section (11), the second combustion
Burn room section (12), the 3rd combustion section (13) to be arranged between the first reducer pipe (5), the second reducer pipe (14) parallel, fuel injector
(6), vortex board (9), spark plug (8), flameholder (10) are sequentially arranged in the first combustion section (11), the second combustion chamber
In section (12), the 3rd combustion section (13), the air inlet of dilution airduct (27) is connected with the gas outlet of dilution air (3), dilute
The gas outlet for releasing airduct (27) is connected with dilution blender (17), and the second inlet air flow gauge (4) is arranged in dilution airduct (27)
On, the air inlet of test lead (22) is connected with the gas outlet of dilution blender (17), and SCR reactors (21) are arranged in test
It is responsible on (22), the first emission analyzer (18), the second emission analyzer (19) are arranged in before and after SCR reactors (21)
On test lead (22), the air inlet of bypass pipe (24) is connected with the test lead (22) before SCR reactors (21), two-way valve
Door (23) is arranged on bypass pipe (24), and each automatically controlled device of bench frame apparatus is connected by wire harness with sub-control box (25).
2. ship SCR reactors quick aging according to claim 1 and testing stand for performance test device, its feature exist
In also including force (forcing) pump (7), the first guiding device (15), the second guiding device (16), mixing guiding device (20), force (forcing) pump
(7) it is connected with fuel injector (6), the first guiding device (15), the second guiding device (16) are arranged in dilution blender (17)
Interior, mixing guiding device (20) is arranged in the interior forward end of SCR reactors (21).
3. ship SCR reactors quick aging according to claim 2 and testing stand for performance test device, its feature exist
The center of vortex board (9) is arranged in fuel injector (6).
4. ship SCR reactors quick aging according to claim 3 and testing stand for performance test device, its feature exist
In arranging two groups in each combustion section spark plug group (8), every group of four spark plugs are distributed in 90 degree, between two groups of spark plugs
It is spaced 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173518.4U CN206523481U (en) | 2017-02-26 | 2017-02-26 | Ship SCR reactors quick aging and testing stand for performance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173518.4U CN206523481U (en) | 2017-02-26 | 2017-02-26 | Ship SCR reactors quick aging and testing stand for performance test device |
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| CN206523481U true CN206523481U (en) | 2017-09-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645551A (en) * | 2017-02-26 | 2017-05-10 | 上海倍绿环保科技有限公司 | Test bed unit for rapid aging and performance testing of SCR reactor used for ship |
| CN113153503A (en) * | 2021-04-27 | 2021-07-23 | 河南柴油机重工有限责任公司 | SCR catalyst degradation test device and test method |
-
2017
- 2017-02-26 CN CN201720173518.4U patent/CN206523481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645551A (en) * | 2017-02-26 | 2017-05-10 | 上海倍绿环保科技有限公司 | Test bed unit for rapid aging and performance testing of SCR reactor used for ship |
| CN113153503A (en) * | 2021-04-27 | 2021-07-23 | 河南柴油机重工有限责任公司 | SCR catalyst degradation test device and test method |
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