CN209510423U - A kind of vehicle maintenance service ammonifying system - Google Patents
A kind of vehicle maintenance service ammonifying system Download PDFInfo
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- CN209510423U CN209510423U CN201822209426.4U CN201822209426U CN209510423U CN 209510423 U CN209510423 U CN 209510423U CN 201822209426 U CN201822209426 U CN 201822209426U CN 209510423 U CN209510423 U CN 209510423U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A kind of vehicle maintenance service ammonifying system, it is arranged inside in DPF input terminal, transition part between SCR output end includes the adapter cavity of transition outer casing and its internal setting, transition outer casing includes transition foreboard, transition back plate and it is sandwiched in ring-like transition side wall between the two, the top of transition foreboard, bottom offers foreboard entrance respectively, foreboard outlet, water conservancy diversion panel is arranged in the foreboard entrance, nearby the position of plate entrance is provided with arc destroyer and water conservancy diversion bent plate in adapter cavity, water conservancy diversion panel, arc destroyer, water conservancy diversion bent plate, transition back plate, transition side wall surrounds the No.1 cavity communicated with adapter cavity altogether, and the urea spray-hole communicated with No.1 cavity is provided at the top of transition side wall.The design does not need not only that mixer is additionally arranged, and saves cost and assembly space, and can reduce urea crystals risk, and it is preferable that ammonia generates effect.
Description
Technical field
The utility model relates to a kind of design of engine tail gas purification more particularly to a kind of vehicle maintenance service ammonifying systems
System, it is particularly applicable on the basis of not needing that mixer additionally is arranged, promote ammonia to generate effect.
Background technique
SCR technology (Selective Catalytic Reduction, SCR), which refers to, utilizes ammonia, ammonia
Water, urea or hydro carbons are reducing agent, and NOx is reduced to N2, to realize vent gas treatment to meeting discharge standard.In existing skill
In art, need first to handle motor exhaust to generate the Nox based on ammonia, then be sent to SCR catalyst device
Middle progress SCR reduction reaction.
Application publication number is CN108194176A, and data of publication of application is that the application for a patent for invention on June 22nd, 2018 discloses
A kind of U-shaped mixer apparatus for square box structure comprising DPF particle supplementary set unit, mixer air inlet end cap, mixer
Outlet end cap, square chest platform partition, urea injection pedestal and mixer apparatus, the mixer apparatus include mixer upper end
Lid, mixer tube, mixer cyclone pipe, mixer partition, mixer support plate and mixer lower cover, the mixer cylinder
Mixer upper end cover is arranged in body upper end, and lower end connects mixer lower cover, and three constitutes the installation cavity of mixer apparatus, institute
It states and mixer cyclone pipe is set in installation cavity body, mixer cyclone pipe lower end is provided with mixer partition.Although the design
Motor exhaust can be handled to obtain ammonia, but it still has the disadvantage that
Firstly, the ad hoc individual mixer apparatus of the design not only needs additionally to make to handle the exhaust of entrance
Make, increases application cost, and it is also required to provide additional assembly space, increase assembly difficulty；
Secondly, the design, which will install cavity by partition, is divided into the first mixing chamber setting up and down, the second mixing chamber, first
The tail gas of entrance is divided into two by the mixer cyclone pipe being arranged in mixing chamber, wherein the tail of drawing-in mixer cyclone pipe and mistake
Gas in the first mixing chamber with urea reaction, and around mixer cyclone pipe and cross tail gas can only in the second mixing chamber with drawing-in
The progress of mixed gas obtained by mixer cyclone pipe is secondary to be mixed and reacts, this kind designs the covering model that can neither improve urea
It encloses, and the degree of mixing of tail gas and urea cannot be enhanced, cause ammonia to generate effect poor.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art
Art.
Summary of the invention
The purpose of the utility model is to overcome the additional setting mixer of needs existing in the prior art, ammonias to generate effect
Poor defect and problem provides one kind and does not need that mixer, the ammonia generation preferable vehicle maintenance service of effect is additionally arranged
Ammonifying system.
In order to achieve the above object, the technical solution of the utility model is: a kind of vehicle maintenance service ammonifying system, packet
DPF input terminal, SCR output end and transition part are included, one end of the transition part is through DPF input terminal and DPF granule capturing device phase
Logical, the other end of transition part is communicated through SCR output end with SCR catalyst device；
The transition part includes the adapter cavity of transition outer casing and its internal setting, the transition outer casing include transition foreboard,
Transition back plate and it is sandwiched in ring-like transition side wall between the two, is offered and DPF input terminal phase at the top of the transition foreboard
Logical foreboard entrance, the bottom of transition foreboard offer the foreboard outlet communicated with SCR output end, and DPF input terminal, transition
Portion, SCR output end constitute the U-shaped structure droped to the ground altogether；
It is arranged with water conservancy diversion panel in the foreboard entrance, nearby to be provided with arc broken at the position of plate entrance in the adapter cavity
Millstone and water conservancy diversion bent plate, arc destroyer, water conservancy diversion bent plate are sandwiched between transition foreboard, transition back plate, and water conservancy diversion panel, arc are broken
Millstone, water conservancy diversion bent plate, transition back plate, transition side wall surround the No.1 cavity communicated with adapter cavity altogether, and on the top of transition side wall
Portion is provided with the urea spray-hole communicated with No.1 cavity.
The No.1 cavity is communicated through arc destroyer with adapter cavity.
The bottom end of the arc destroyer is in contact through device plate gap with the bottom end of water conservancy diversion bent plate, the No.1 cavity and mistake
Crossing the approach communicated between chamber includes arc destroyer and device plate gap.
It is provided with the gap Ban Kou between the water conservancy diversion panel and foreboard entrance, the nearly urea spray-hole setting in the gap Ban Kou,
The injection direction and arc destroyer face of the urea spray-hole are arranged.
The water conservancy diversion panel includes the more panel items being parallel to each other, and the both ends of the panel item are connected with foreboard entrance
It connects, for folder at there is batten angle, which is acute angle between the panel item and the gravity vertical of transition foreboard.
The water conservancy diversion bent plate includes upper junction plate and lower suspension plate, is closely urinated on the top of the upper junction plate and transition side wall
The position of plain spray-hole is connected, and the bottom end of upper junction plate is connected with the top of lower suspension plate, and the bottom end of lower suspension plate is to arc
The bottom end of shape destroyer extends, and the radian of lower suspension plate is greater than the radian of upper junction plate.
Nearly transition foreboard on the water conservancy diversion bent plate, transition back plate position be correspondingly arranged on preceding hole column, metapore column, before described
Kong Lie, metapore column include multiple bent plate through-holes being arranged successively.
The arc destroyer includes more riser beams, the transverse slat beam of arc frame and its internal setting, the radian of transverse slat beam
Consistent with arc frame, adjacent transverse slat beam is parallel to each other, and adjacent riser beam is parallel to each other, and every transverse slat beam is all erected with all
Plate-girder intersection, every riser beam all intersects with all transverse slat beams, single riser beam by all transverse slat beams be divided into it is multiple according to
The horizontal daughter board of secondary connection is equipped with flinders on the horizontal daughter board；Along single riser beam direction, it is provided between adjacent flinders
Piece erects gap；Along single transverse slat beam direction, the horizontal gap of piece is provided between adjacent flinders.
The flinders includes upper flange, middle cage plate and lower wing plate, and the top of the upper flange is to arc destroyer top
Direction extend, cage plate is connected with the top of lower wing plate in the warp of the bottom end of upper flange, and the bottom end of lower wing plate is to water conservancy diversion bent plate bottom
The direction at end extends, and upper flange is located at the top of arc frame, and lower wing plate is located at the lower section of arc frame, and opens in the inside of middle cage plate
Plate hole is arranged equipped with insertion cooperation is carried out with horizontal daughter board.
The upper flange is the trapezium structure for pushing up narrow bottom width, and the lower wing plate is the narrow trapezium structure in top width bottom, it is described on
The upper limb angle formed between the arc frame in contact of the bottom end of wing plate is acute angle, and the top of the lower wing plate connects with it
The bottom wing angle formed between the arc frame of touching is acute angle.
Compared with prior art, the utility model has the following beneficial effects:
1, in a kind of vehicle maintenance service ammonifying system of the utility model, transition part is hollow structure, top, bottom end point
It is not communicated with DPF input terminal, SCR output end, nearby to be provided with arc broken at the position of plate entrance in the excessive chamber in transition part
Device and water conservancy diversion bent plate, water conservancy diversion panel, arc destroyer, water conservancy diversion bent plate, transition back plate, transition side wall surround communicate with adapter cavity altogether
No.1 cavity, the advantages of design includes: firstly, individual mixer is not arranged additionally by the design, but utilizes DPF defeated
Enter the encapsulating structure of script between end, SCR output end and its space to play the effect of mixer, not only saves cost, but also not
Increase assembly space；Secondly, DPF input terminal, transition part, the SCR output end in the design constitute the U-shaped knot droped to the ground altogether
Structure, so that the flow direction of tail gas is from top to bottom successively to pass through DPF input terminal, transition part, SCR output end, it is consistent with gravity direction,
Conducive to the diffusion of gas, gas will not be hindered to flow, be conducive to improve treatment effeciency；Again, the design first passes through water conservancy diversion panel pair
The tail gas of entrance carries out flow direction change, blocks using back plate is crossed to the tail gas after changed course, makes it can only be in No.1 cavity
In spiral, the temperature in No.1 cavity can be promoted, reduce the risk of urea crystals, and the power for hitting arc destroyer can be enhanced
Amount forms power-assisted to the urea droplets that urea spray-hole sprays into, and promotes broken, the evaporation of urea droplets, promotes urea to ammonia
The effect of conversion.Therefore, the utility model does not need not only that mixer is additionally arranged, and saves cost and assembly space, Er Qieneng
Urea crystals risk is reduced, it is preferable that ammonia generates effect.
2, in a kind of vehicle maintenance service ammonifying system of the utility model, there are devices between arc destroyer, water conservancy diversion bent plate
With connection No.1 cavity and adapter cavity, which spreads after being convenient for tail gas drawing-in device plate gap in No.1 cavity periphery in plate gap,
To promote the temperature of No.1 cavity, the risk of urea crystals is reduced, in addition, multiple bent plate through-holes can also be arranged on water conservancy diversion bent plate
In order to tail gas drawing-in, mistake further decreases the risk of urea crystals to heat to No.1 cavity, water conservancy diversion bent plate.Cause
This, the utility model can reduce the risk of urea crystals.
3, in a kind of vehicle maintenance service ammonifying system of the utility model, plate is provided between water conservancy diversion panel and foreboard entrance
Mouth gap, the nearly urea spray-hole setting in the gap Ban Kou, the design can be such that partial tail gas straight line passes through, to just from urea injection
The urea droplets that hole sprays are heated, and are accelerated its evaporation, are not only avoided that urea crystals, but also can expand the contact of urea, tail gas
Area promotes ammonia and generates effect.Therefore, the utility model can not only reduce the risk of urea crystals, and ammonia generates effect
Fruit is preferable.
4, in a kind of vehicle maintenance service ammonifying system of the utility model, arc destroyer includes that arc frame and its inside are set
Multiple riser beams, the transverse slat beam, flinders set, wherein riser beam, transverse slat beam are configured to fenestral fabric in arc frame, often
All be equipped with flinders on a horizontal daughter board, piece be provided between adjacent flinders and erects gap and the horizontal gap of piece, the design it is excellent
Point includes: can extend the urea droplets sprayed in the delay on its surface firstly, arc destroyer is arcuate structure on the whole
Between, to improve the crushing effect of urea droplets, to promote the evaporation effect and ammonia formation efficiency of urea；Secondly, gather
Flinders can promote crushing effect and erect gap, the horizontal gap of piece by piece and distribute broken urea droplets, with
Promote evaporation effect；Again, flinders is class Z-shaped structure, and upper and lower wing plate is located at the upper and lower of arc frame, this sets
Meter can promote broken results, promote evaporation effect.Therefore, the utility model is preferable to the crushing effect of urea droplets, evaporation effect
Fruit is preferable, is conducive to the generation effect for promoting ammonia.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Schematic perspective view when Fig. 4 is the utility model backsight.
Fig. 5 is the appearance diagram of the utility model.
Fig. 6 is the relative position schematic diagram of water conservancy diversion panel in Fig. 1, arc destroyer, water conservancy diversion bent plate.
Fig. 7 is the structural schematic diagram of water conservancy diversion bent plate in Fig. 1.
Fig. 8 is the structural schematic diagram of arc destroyer in Fig. 1.
Fig. 9 is the main view of Fig. 8.
Figure 10 is the right view of Fig. 8.
Figure 11 is the structural schematic diagram of arc frame in Fig. 8.
Figure 12 is the structural schematic diagram of flinders in Fig. 8.
In figure: DPF input terminal 1, transition part 2, transition outer casing 21, adapter cavity 22, transition foreboard 23, foreboard entrance 231, preceding
Plate exports 232, the gap Ban Kou 233, transition back plate 24, transition side wall 25, water conservancy diversion panel 3, panel item 31, batten angle 32, arc
Shape destroyer 4, arc frame 41, upper limb angle 411, bottom wing angle 412, riser beam 42, horizontal daughter board 421, transverse slat beam 43, flinders
44, upper flange 441, middle cage plate 442, lower wing plate 443, be arranged plate hole 444, piece erect gap 45, the horizontal gap 46 of piece, water conservancy diversion bent plate 5,
Upper junction plate 51, lower suspension plate 52, preceding hole column 53, metapore column 54, bent plate through-hole 55, urea spray-hole 6, SCR output end 10, one
Number cavity X, device plate gap X1.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1 to Figure 12, a kind of vehicle maintenance service ammonifying system, including DPF input terminal 1, SCR output end 10 and mistake
Portion 2 is crossed, one end of the transition part 2 is communicated through DPF input terminal 1 with DPF granule capturing device, and the other end of transition part 2 is through SCR
Output end 10 is communicated with SCR catalyst device；
The transition part 2 includes the adapter cavity 22 of transition outer casing 21 and its internal setting, and the transition outer casing 21 included
It crosses foreboard 23, transition back plate 24 and is sandwiched in ring-like transition side wall 25 between the two, the top of the transition foreboard 23 opens up
There is the foreboard entrance 231 communicated with DPF input terminal 1, the bottom of transition foreboard 23 offers the foreboard communicated with SCR output end 10
Outlet 232, and DPF input terminal 1, transition part 2, SCR output end 10 constitute the U-shaped structure droped to the ground altogether；
It is arranged with water conservancy diversion panel 3 in the foreboard entrance 231, nearby the position of plate entrance 231 is set in the adapter cavity 22
Be equipped with arc destroyer 4 and water conservancy diversion bent plate 5, arc destroyer 4, water conservancy diversion bent plate 5 be sandwiched in transition foreboard 23, transition back plate 24 it
Between, water conservancy diversion panel 3, arc destroyer 4, water conservancy diversion bent plate 5, transition back plate 24, transition side wall 25 surround altogether to be communicated with adapter cavity 22
No.1 cavity X, and the urea spray-hole 6 communicated with No.1 cavity X is provided at the top of transition side wall 25.
The No.1 cavity X is communicated through arc destroyer 4 with adapter cavity 22.
The bottom end of the arc destroyer 4 is in contact through device plate gap X1 with the bottom end of water conservancy diversion bent plate 5, the No.1 cavity
The approach communicated between X and adapter cavity 22 includes arc destroyer 4 and device plate gap X1.
It is provided with the gap Ban Kou 233 between the water conservancy diversion panel 3 and foreboard entrance 231, the nearly urea in the gap Ban Kou 233 spray
Perforation 6 is arranged, and the injection direction and 4 face of arc destroyer of the urea spray-hole 6 are arranged.
The water conservancy diversion panel 3 includes the more panel items 31 being parallel to each other, and the both ends of the panel item 31 enter with foreboard
Mouthfuls 231 are connected, and folder is at there is batten angle 32 between the panel item 31 and the gravity vertical of transition foreboard 23, the batten angle 32
For acute angle.
The water conservancy diversion bent plate 5 includes upper junction plate 51 and lower suspension plate 52, the top and transition side of the upper junction plate 51
The position for enclosing nearly urea spray-hole 6 on 25 is connected, and the bottom end of upper junction plate 51 is connected with the top of lower suspension plate 52, lower outstanding
The bottom end of hanging plate 52 extends to the bottom end of arc destroyer 4, and the radian of lower suspension plate 52 is greater than the radian of upper junction plate 51.
Nearly transition foreboard 23 on the water conservancy diversion bent plate 5, transition back plate 24 position be correspondingly arranged on preceding hole column 53, metapore column
54, the preceding hole column 53, metapore column 54 include multiple bent plate through-holes 55 being arranged successively.
The arc destroyer 4 includes more riser beams 42, the transverse slat beam 43 of arc frame 41 and its internal setting, transverse slat beam
43 radian and arc frame 41 is consistent, and adjacent transverse slat beam 43 is parallel to each other, and adjacent riser beam 42 is parallel to each other, every transverse slat
Beam 43 all intersects with all riser beams 42, and every riser beam 42 all intersects with all transverse slat beams 43, single 42 quilt of riser beam
All transverse slat beams 43 are divided into multiple sequentially connected horizontal daughter boards 421, are equipped with flinders 44 on the horizontal daughter board 421；Along single
42 direction of root riser beam is provided with piece between adjacent flinders 44 and erects gap 45；Along single 43 direction of transverse slat beam, adjacent is broken
The horizontal gap 46 of piece is provided between fragment 44.
The flinders 44 includes upper flange 441, middle cage plate 442 and lower wing plate 443, the top of the upper flange 441 to
The direction on 4 top of arc destroyer extends, and cage plate 442 is connected with the top of lower wing plate 443 in the bottom end warp of upper flange 441,
The bottom end of lower wing plate 443 extends to the direction of 5 bottom end of water conservancy diversion bent plate, and upper flange 441 is located at the top of arc frame 41, lower wing plate
443 are located at the lower section of arc frame 41, and offer in the inside of middle cage plate 442 and carry out being arranged for insertion cooperation with horizontal daughter board 421
Plate hole 444.
The upper flange 441 is the trapezium structure for pushing up narrow bottom width, and the lower wing plate 443 is the narrow trapezium structure in top width bottom,
The upper limb angle 411 formed between the arc frame 41 in contact of the bottom end of the upper flange 441 is acute angle, the lower wing plate
The bottom wing angle 412 formed between the arc frame 41 in contact of 443 top is acute angle.
The principles of the present invention are described as follows:
Batten angle 32 in the utility model is acute angle, and angle is preferably 30 degree of -60 degree.
In the utility model former and later two sides of preferred water conservancy diversion bent plate 5 respectively with transition foreboard 23,24 phase of transition back plate
Connection, and hole column 53, metapore column 54 before the position of nearly two sides is each provided with, the preceding hole column 53, metapore column 54 wrap
Include multiple bent plate through-holes 55 being arranged successively.
Preferred arc destroyer 4 passes through two side, i.e. the two of arc frame 41 side and transition in the utility model
Foreboard 23, transition back plate 24 are connected.
The utility model offers in the inside of middle cage plate 442 and carries out insertion cooperation with horizontal daughter board 421 and be arranged plate hole
444, the width of preferably horizontal daughter board 421 is greater than the width of middle cage plate 442, at this point, middle cage plate 442 can horizontal daughter board where it
421 carry out opposite sliding.
Embodiment 1:
Referring to Fig. 1 to Figure 12, a kind of vehicle maintenance service ammonifying system, including DPF input terminal 1, SCR output end 10 and mistake
Portion 2 is crossed, one end of the transition part 2 is communicated through DPF input terminal 1 with DPF granule capturing device, and the other end of transition part 2 is through SCR
Output end 10 is communicated with SCR catalyst device；The transition part 2 includes the adapter cavity 22 of transition outer casing 21 and its internal setting,
The transition outer casing 21 includes transition foreboard 23, transition back plate 24 and is sandwiched in ring-like transition side wall 25 between the two, described
The top of transition foreboard 23 offers the foreboard entrance 231 communicated with DPF input terminal 1, the bottom of transition foreboard 23 offer with
Foreboard that SCR output end 10 communicates outlet 232, and DPF input terminal 1, transition part 2, SCR output end 10 constitute one altogether and drop to the ground
U-shaped structure；It is arranged with water conservancy diversion panel 3 in the foreboard entrance 231, the nearby position of plate entrance 231 in the adapter cavity 22
It is provided with arc destroyer 4 and water conservancy diversion bent plate 5, arc destroyer 4, water conservancy diversion bent plate 5 are sandwiched in transition foreboard 23, transition back plate 24
Between, water conservancy diversion panel 3, arc destroyer 4, water conservancy diversion bent plate 5, transition back plate 24, transition side wall 25 surround and 22 phase of adapter cavity altogether
Logical No.1 cavity X, and the urea spray-hole 6 communicated with No.1 cavity X is provided at the top of transition side wall 25.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
The bottom end of the arc destroyer 4 is in contact through device plate gap X1 with the bottom end of water conservancy diversion bent plate 5, the No.1 cavity
The approach communicated between X and adapter cavity 22 includes arc destroyer 4 and device plate gap X1.The water conservancy diversion panel 3 and foreboard entrance
The gap Ban Kou 233 is provided between 231, the nearly urea spray-hole 6 in the gap Ban Kou 233 setting, the injection of the urea spray-hole 6
Direction and 4 face of arc destroyer are arranged.Nearly transition foreboard 23 on the water conservancy diversion bent plate 5, transition back plate 24 position correspondence set
Preceding hole column 53, metapore column 54 are equipped with, the preceding hole column 53, metapore column 54 include multiple bent plate through-holes 55 being arranged successively.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The arc destroyer 4 includes more riser beams 42, the transverse slat beam 43 of arc frame 41 and its internal setting, transverse slat beam
43 radian and arc frame 41 is consistent, and adjacent transverse slat beam 43 is parallel to each other, and adjacent riser beam 42 is parallel to each other, every transverse slat
Beam 43 all intersects with all riser beams 42, and every riser beam 42 all intersects with all transverse slat beams 43, single 42 quilt of riser beam
All transverse slat beams 43 are divided into multiple sequentially connected horizontal daughter boards 421, are equipped with flinders 44 on the horizontal daughter board 421；Along single
42 direction of root riser beam is provided with piece between adjacent flinders 44 and erects gap 45；Along single 43 direction of transverse slat beam, adjacent is broken
The horizontal gap 46 of piece is provided between fragment 44.The flinders 44 includes upper flange 441, middle cage plate 442 and lower wing plate 443, institute
The top for stating upper flange 441 extends to the direction on 4 top of arc destroyer, cage plate 442 and bottom wing in the bottom end warp of upper flange 441
The top of plate 443 is connected, and the bottom end of lower wing plate 443 extends to the direction of 5 bottom end of water conservancy diversion bent plate, and upper flange 441 is located at arc
The top of frame 41, lower wing plate 443 are located at the lower section of arc frame 41, and the inside of middle cage plate 442 offer with horizontal daughter board 421 into
Row insertion cooperation is arranged plate hole 444.
The foregoing is merely the better embodiment of the utility model, the protection scope of the utility model is not with above-mentioned reality
The mode of applying is limited, as long as those of ordinary skill in the art's equivalent modification according to made by the utility model disclosure or change
Change, should be included in the scope of the protection described in the claims.
Claims (10)
1. a kind of vehicle maintenance service ammonifying system, including DPF input terminal (1), SCR output end (10) and transition part (2), described
One end of transition part (2) is communicated through DPF input terminal (1) with DPF granule capturing device, and the other end of transition part (2) is exported through SCR
End (10) is communicated with SCR catalyst device, it is characterised in that:
The transition part (2) includes the adapter cavity (22) of transition outer casing (21) and its internal setting, transition outer casing (21) packet
It includes transition foreboard (23), transition back plate (24) and is sandwiched in ring-like transition side wall (25) between the two, the transition foreboard
(23) offer the foreboard entrance (231) communicated with DPF input terminal (1) at the top of, the bottom of transition foreboard (23) offer with
The foreboard that SCR output end (10) communicates exports (232), and DPF input terminal (1), transition part (2), SCR output end (10) are constituted altogether
One U-shaped structure droped to the ground；
It is arranged with water conservancy diversion panel (3) in the foreboard entrance (231), the portion of the interior nearby plate entrance (231) of the adapter cavity (22)
Position is provided with arc destroyer (4) and water conservancy diversion bent plate (5), and arc destroyer (4), water conservancy diversion bent plate (5) are sandwiched in transition foreboard
(23), between transition back plate (24), water conservancy diversion panel (3), arc destroyer (4), water conservancy diversion bent plate (5), transition back plate (24), transition
Side wall (25) surrounds the No.1 cavity (X) communicated with adapter cavity (22) altogether, and is provided with and one at the top of transition side wall (25)
The urea spray-hole (6) that number cavity (X) communicates.
2. a kind of vehicle maintenance service ammonifying system according to claim 1, it is characterised in that: the No.1 cavity (X)
It is communicated through arc destroyer (4) with adapter cavity (22).
3. a kind of vehicle maintenance service ammonifying system according to claim 2, it is characterised in that: the arc destroyer
(4) bottom end is in contact through device plate gap (X1) with the bottom end of water conservancy diversion bent plate (5), the No.1 cavity (X) and adapter cavity (22)
Between the approach that communicates include arc destroyer (4) and device plate gap (X1).
4. a kind of vehicle maintenance service ammonifying system according to claim 1,2 or 3, it is characterised in that: the guide face
The gap Ban Kou (233) are provided between plate (3) and foreboard entrance (231), the nearly urea spray-hole (6) in the gap Ban Kou (233) is set
It sets, the injection direction and arc destroyer (4) face of the urea spray-hole (6) are arranged.
5. a kind of vehicle maintenance service ammonifying system according to claim 4, it is characterised in that: the water conservancy diversion panel (3)
The both ends of the panel item (31) being parallel to each other including more, the panel item (31) are connected with foreboard entrance (231), described
For folder at there is batten angle (32), which is acute angle between panel item (31) and the gravity vertical of transition foreboard (23).
6. a kind of vehicle maintenance service ammonifying system according to claim 1,2 or 3, it is characterised in that: the water conservancy diversion is curved
Plate (5) includes upper junction plate (51) and lower suspension plate (52), close on the top and transition side wall (25) of the upper junction plate (51)
The position of urea spray-hole (6) is connected, and the bottom end of upper junction plate (51) is connected with the top of lower suspension plate (52), lower suspension
The bottom end of plate (52) extends to the bottom end of arc destroyer (4), and the radian of lower suspension plate (52) is greater than upper junction plate (51)
Radian.
7. a kind of vehicle maintenance service ammonifying system according to claim 6, it is characterised in that: the water conservancy diversion bent plate (5)
Go up nearly transition foreboard (23), the position of transition back plate (24) is correspondingly arranged on preceding hole column (53), metapore column (54), the preceding hole column
(53), metapore column (54) include multiple bent plate through-holes (55) being arranged successively.
8. a kind of vehicle maintenance service ammonifying system according to claim 1,2 or 3, it is characterised in that: the arc is broken
Millstone (4) includes more riser beams (42) of arc frame (41) and its internal setting, transverse slat beam (43), the radian of transverse slat beam (43)
Unanimously with arc frame (41), adjacent transverse slat beam (43) is parallel to each other, and adjacent riser beam (42) is parallel to each other, every transverse slat beam
(43) all intersect with all riser beams (42), every riser beam (42) is all intersected with all transverse slat beams (43), single riser
Beam (42) is divided into multiple sequentially connected horizontal daughter boards (421) by all transverse slat beams (43), is equipped on the horizontal daughter board (421)
Flinders (44)；Along single riser beam (42) direction, it is provided with piece between adjacent flinders (44) and erects gap (45)；Along single
Transverse slat beam (43) direction is provided with the horizontal gap of piece (46) between adjacent flinders (44).
9. a kind of vehicle maintenance service ammonifying system according to claim 8, it is characterised in that: flinders (44) packet
Upper flange (441), middle cage plate (442) and lower wing plate (443), the top of the upper flange (441) is included to push up to arc destroyer (4)
The direction at end extends, and cage plate (442) is connected with the top of lower wing plate (443) in the bottom end warp of upper flange (441), lower wing plate
(443) bottom end extends to the direction of water conservancy diversion bent plate (5) bottom end, and upper flange (441) is located at the top of arc frame (41), lower wing plate
(443) it is located at the lower section of arc frame (41), and offers be inserted into horizontal daughter board (421) in the inside of middle cage plate (442) and match
That closes is arranged plate hole (444).
10. a kind of vehicle maintenance service ammonifying system according to claim 9, it is characterised in that: the upper flange (441)
For the trapezium structure for pushing up narrow bottom width, the lower wing plate (443) is the narrow trapezium structure in top width bottom, the bottom of the upper flange (441)
Hold the upper limb angle (411) formed between arc frame (41) in contact be acute angle, the top of the lower wing plate (443) with
The bottom wing angle (412) formed between its arc frame (41) being in contact is acute angle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488423A (en) * | 2018-12-27 | 2019-03-19 | 东风商用车有限公司 | A kind of vehicle maintenance service ammonifying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488423A (en) * | 2018-12-27 | 2019-03-19 | 东风商用车有限公司 | A kind of vehicle maintenance service ammonifying system |
| CN109488423B (en) * | 2018-12-27 | 2024-03-15 | 东风商用车有限公司 | Ammonia generation system for automobile exhaust treatment |
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