CN208396786U - A kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms - Google Patents
A kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms Download PDFInfo
- Publication number
- CN208396786U CN208396786U CN201721913535.3U CN201721913535U CN208396786U CN 208396786 U CN208396786 U CN 208396786U CN 201721913535 U CN201721913535 U CN 201721913535U CN 208396786 U CN208396786 U CN 208396786U
- Authority
- CN
- China
- Prior art keywords
- baffle
- cyclone pipe
- urea
- cylinder
- circular arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004202 carbamide Substances 0.000 claims abstract description 37
- 238000009792 diffusion process Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 7
- 239000007864 aqueous solution Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Cyclones (AREA)
Abstract
The utility model provides a kind of horizontal mixing arrangement of the cyclone pipe for spar-type platforms, it include: cylinder, cyclone pipe is provided in the cylinder, the tail end connection diffusion Taper Pipe of cyclone pipe, cyclone pipe front end is provided with outer baffle, the side of outer baffle offers flange slot, and flange blade is distributed in the other side of outer baffle；One circular arc end cap is set in the outer circumferential of flange blade, the starting point of circular arc end cap is welded on the inner wall of cylinder, and end and the cyclone pipe intersection of circular arc end cap are mutually communicated；A urea, which is provided with, on the radial tube wall of cyclone pipe gathers baffle, urea gathers baffle upper end opening and flushes with cylinder inboard wall, urea gathers the lower end of baffle and cyclone pipe intersection forms macropore, corresponds on the outside of cylinder and is provided with pedestal and nozzle mounting base at the position that urea gathers baffle.This practical aqueous solution of urea particle that can quickly and effectively take away injection apparatus and eject；Aqueous solution of urea is easier to be taken away by exhaust fluid, reduces the risk of urea crystals.
Description
Technical field
The utility model belongs to diesel engine vent gas post-processing field more particularly to a kind of cyclone pipe for spar-type platforms is horizontal
Set mixing arrangement.
Background technique
As national exhaust gas from diesel vehicle pollutant emission standard develops to six stage of Europe, stringenter discharge standard is to tail
Gas pollutant has stringenter definition.SCR(selective catalytic reduction converter) technology has become domestic major host
The first choice of factory.SCR technology is that urea liquid is sprayed into tail gas, and urea liquid is pyrolyzed into ammonia at high temperature immediately, and ammonia exists
Reacted under the catalysis of the noble metals such as platinum, palladium with the NOx in tail gas in SCR carrier coating, it be greatly lowered, thus realize by
Vent gas treatment is to the discharge standard for meeting Europe six.
Therefore, how to reduce the low temperature crystallization of urea and ammonia is uniformly taken to SCR carrier end face to as in SCR technology
Key link.Generally existing urea is easy the problems such as crystallization and uneven ammonia mixing in existing structure.
In view of above content, it is necessary to provide the device that a kind of urea is not easy crystallization and ammonia is uniformly mixed.
Summary of the invention
The utility model is in place of avoiding above-mentioned the shortcomings of the prior art, to provide a kind of eddy flow for spar-type platforms
Manage horizontal mixing arrangement, comprising:
Cylinder, is provided with cyclone pipe in the cylinder, the tail end connection diffusion Taper Pipe of the cyclone pipe, before the cyclone pipe
End is provided with outer baffle, and the side of the outer baffle offers flange slot, and the other side of outer baffle is distributed with circumferentially
Evenly distributed flange blade；
One circular arc end cap is set in the outer circumferential of flange blade, the starting point of the circular arc end cap is welded on the interior of cylinder
On wall, circular arc end cap in horn-like structure and by flange blade completely containing cover its formed horn mouth in, the circular arc end cap
End be mutually communicated with cyclone pipe intersection；
It is provided with a urea on the radial tube wall of the cyclone pipe and gathers baffle, the urea gathers baffle by first gear
Plate, second baffle, third baffle and fourth gear plate are sequentially connected and surround, the urea gather baffle upper end opening and in cylinder
Wall flushes, and the urea gathers the lower end of baffle and cyclone pipe intersection forms macropore,
It is corresponded on the outside of cylinder and is provided with pedestal and nozzle mounting base at the position that urea gathers baffle, the nozzle installation
Seat is inclined in mounting base, and the nozzle mounting base is provided centrally with nozzle, and the nozzle is fixed by screws in spray
In mouth mounting base；
Improvement to above-mentioned technical proposal: arc end is built and is also provided with notch in beginning circumferential end surfaces, the notch with
Circular arc end cap is fixed on the both ends of diameter of a circle where the point on cylinder is located at circular arc end cap.
Improvement to above-mentioned technical proposal: multiple apertures, Duo Ge little are additionally provided on the tube body of cyclone pipe and diffusion Taper Pipe
Hole is distributed in matrix.
Improvement to above-mentioned technical proposal: flange slot includes square groove and linear groove, and two kinds of slots are sent out along outer baffle center
Dissipate distribution.
The utility model has the beneficial effects that:
1, airflow direction is consistent with eddy flow tube axis direction arranges, air-flow enters from cyclone pipe blade, can be fast and effective
The aqueous solution of urea particle taking away injection apparatus and ejecting；
2, aqueous solution of urea particle can be made to mix in cyclone pipe after cyclone pipe is horizontal, presses the space of entire mixer
Contracting, entire mixer structure are more compact；
3, nozzle mounting base 3 leans forward, and so that the aqueous solution of urea ejected is had the initial velocity for flowing to the end face SCR, makes to urinate
Plain aqueous solution is easier to be taken away by exhaust fluid, reduces the risk of urea crystals.
Detailed description of the invention
Fig. 1 is the transverse sectional view of the utility model mixing arrangement.
Fig. 2 is the schematic diagram of the outer baffle of the utility model mixing arrangement.
The exhaust fluid operation principle schematic diagram of Fig. 3 the utility model mixing arrangement.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
As shown in Figure 1-3, a kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms characterized by comprising
Cylinder is provided with cyclone pipe, the tail end connection diffusion Taper Pipe 7 of the cyclone pipe, the cyclone pipe in the cylinder
Front end is provided with outer baffle 1, and the side of the outer baffle 1 offers flange slot 1.1, the other side of outer baffle 1 be distributed with along
The evenly distributed flange blade of circumferencial direction；Flange slot drives the direction needs of air-flow consistent with swirl vane；Flange slot can subtract
Small back pressure；The front end of cyclone pipe 6 is welded on after the part punch forming；
One circular arc end cap is set in the outer circumferential of flange blade 1.2, the starting point of the circular arc end cap is welded on cylinder
Inner wall on, circular arc end cap in horn-like structure and by flange blade completely containing cover its formed horn mouth in, the circular arc
The end of end cap is mutually communicated with 6 intersection of cyclone pipe；
It is provided with a urea on the radial tube wall of the cyclone pipe and gathers baffle, the urea gathers baffle by first baffle
8, second baffle 9, third baffle 10 and fourth gear plate 11 are sequentially connected and surround, the urea gather baffle upper end opening and with cylinder
Internal wall flushes, and the urea gathers the lower end of baffle and 6 intersection of cyclone pipe forms macropore 6.1,
It is welded on cyclone pipe after four baffles are integrally welded；The urea gather baffle upper end opening and in cylinder
Wall flushes, and 6.1 position of macropore is that urea liquid gets to the position on cyclone pipe；
It is corresponded on the outside of cylinder and is provided with pedestal 4 and nozzle mounting base 3 at the position that urea gathers baffle, the nozzle peace
Dress seat is inclined in mounting base 3, and the nozzle mounting base 3 is provided centrally with nozzle 3.1, and the nozzle is solid by screw
It is scheduled in nozzle mounting base 3.
Improvement to above-mentioned technical proposal: being also provided with notch 2.1 in 2 starting point circumferential end surfaces of circular arc end cap, described to lack
Mouth 2.1 is fixed on the both ends of diameter of a circle where the point on cylinder is located at circular arc end cap with circular arc end cap 2.
Improvement to above-mentioned technical proposal: being additionally provided with multiple apertures 12 on the tube body of cyclone pipe 6 and diffusion Taper Pipe, multiple
Aperture is distributed in matrix.
Improvement to above-mentioned technical proposal: flange slot 1.1 includes square groove and linear groove, and two kinds of slots are along outer baffle center
Diverging distribution.
Concrete operating principle is；Exhaust fluid enters rotation by the swirl vane on the flange slot and cyclone pipe 6 on baffle 1
Inside flow tube 6,
Further, rotating fluid is formed；
Further, rotating fluid quickly by via macropore on cyclone pipe enter the urea granules inside cyclone pipe mix,
It is broken,
Further, small urea granules are quickly taken away into cyclone pipe,
Further, by spreading the water conservancy diversion diffusion of Taper Pipe 7, before uniformly taking urea granules to SCR carrier
On end face,
The urea liquid for flowing to eddy flow bottom of the tube is crushed by the aperture 12 on cyclone pipe, and a part is quickly taken away, another
Part is flowed out out of hole, is taken on the end face SCR by the fluid of bottom.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (4)
1. a kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms characterized by comprising
Cylinder, is provided with cyclone pipe in the cylinder, tail end connection diffusion Taper Pipe (7) of the cyclone pipe, before the cyclone pipe
End is provided with outer baffle (1), and the side of the outer baffle (1) offers flange slot (1.1), the other side distribution of outer baffle (1)
There is circumferentially evenly distributed flange blade；
One circular arc end cap is set in the outer circumferential of flange blade (1.2), the starting point of the circular arc end cap is welded on cylinder
On inner wall, circular arc end cap in horn-like structure and by flange blade completely containing cover its formed horn mouth in, the arc end
The end of lid is mutually communicated with cyclone pipe (6) intersection；
Be provided with a urea on the radial tube wall of the cyclone pipe and gather baffle, the urea gather baffle by first baffle (8),
Second baffle (9), third baffle (10) and fourth gear plate (11) are sequentially connected and surround, and the urea gathers baffle upper end opening simultaneously
It being flushed with cylinder inboard wall, the urea gathers the lower end of baffle and cyclone pipe (6) intersection forms macropore (6.1),
It is corresponded on the outside of cylinder and is provided with pedestal (4) and nozzle mounting base (3) at the position that urea gathers baffle, the nozzle peace
Dress seat is inclined on mounting base (3), and the nozzle mounting base (3) is provided centrally with nozzle (3.1), and the nozzle passes through
Screw is fixed on nozzle mounting base (3).
2. a kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms as described in claim 1, which is characterized in that the circle
It is also provided with notch (2.1) in the circumferential end surfaces of arc end cap (2) starting point, the notch (2.1) and circular arc end cap (2) are fixed on cylinder
The both ends of diameter of a circle where point on body is located at circular arc end cap.
3. a kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms as described in claim 1, which is characterized in that the rotation
It is additionally provided with multiple apertures (12) on the tube body of flow tube (6) and diffusion Taper Pipe, multiple apertures are distributed in matrix.
4. a kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms as described in claim 1, which is characterized in that described to turn over
Side slot (1.1) includes square groove and linear groove, and two kinds of slots are dissipated along outer baffle center and are distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721913535.3U CN208396786U (en) | 2017-12-31 | 2017-12-31 | A kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721913535.3U CN208396786U (en) | 2017-12-31 | 2017-12-31 | A kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396786U true CN208396786U (en) | 2019-01-18 |
Family
ID=65065805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721913535.3U Expired - Fee Related CN208396786U (en) | 2017-12-31 | 2017-12-31 | A kind of horizontal mixing arrangement of cyclone pipe for spar-type platforms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196645A (en) * | 2020-10-27 | 2021-01-08 | 武汉洛特福动力技术有限公司 | Barrel type taper pipe rotational flow mixer |
| CN113107650A (en) * | 2020-01-09 | 2021-07-13 | 广西大学 | Dynamic mixer for diesel engine urea-SCR system |
| CN114278416A (en) * | 2022-01-28 | 2022-04-05 | 无锡威孚力达催化净化器有限责任公司 | A high-efficiency anti-crystallization urea mixing device |
-
2017
- 2017-12-31 CN CN201721913535.3U patent/CN208396786U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107650A (en) * | 2020-01-09 | 2021-07-13 | 广西大学 | Dynamic mixer for diesel engine urea-SCR system |
| CN112196645A (en) * | 2020-10-27 | 2021-01-08 | 武汉洛特福动力技术有限公司 | Barrel type taper pipe rotational flow mixer |
| CN114278416A (en) * | 2022-01-28 | 2022-04-05 | 无锡威孚力达催化净化器有限责任公司 | A high-efficiency anti-crystallization urea mixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |