CN201470307U - Turbulent flow mixer for tail gas of engine - Google Patents
Turbulent flow mixer for tail gas of engine Download PDFInfo
- Publication number
- CN201470307U CN201470307U CN2009202278980U CN200920227898U CN201470307U CN 201470307 U CN201470307 U CN 201470307U CN 2009202278980 U CN2009202278980 U CN 2009202278980U CN 200920227898 U CN200920227898 U CN 200920227898U CN 201470307 U CN201470307 U CN 201470307U
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- pipeline
- pipe
- aditus laryngis
- nozzle
- downstream
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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
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Exhaust Gas After Treatment (AREA)
Abstract
Starting engineA turbulent mixer for tail gas belongs to the technical field of automobile tail gas purification treatment. The outer wall and blast pipe (7) sliding fit at pipeline (1) both ends, the low reaches one end of pipeline (1) is provided with blade device (4), the middle section of pipeline (1) is throat mouth pipe (2) that the internal diameter is less than pipeline (1) internal diameter, be provided with nozzle hole (21) on the pipe wall of throat mouth pipe (2), have one additive nozzle (3) to pass through-hole (71) and nozzle hole (21) on blast pipe (7) and make its spout arrange in on the axis of throat mouth pipe (2), the downstream one end of the directional pipeline (1) of spout of additive nozzle (3). The gas mixing effect is good, the structure is simple, the installation is convenient, the number of parts is small, the manufacturing cost is low, and the gas mixing device can be used in an SCR tail gas purification treatment system and can also be used for other adsorption NOXThe tail gas purification treatment system is also suitable for the reconstruction of the existing engine exhaust purification system.
Description
Technical field
The utility model relates to a kind of purifying vehicle exhaust treating apparatus, more particularly is meant a kind of motor exhaust flow-disturbing blender, belongs to the purifying vehicle exhaust processing technology field.
Background technology
In the large diesel engine vent gas treatment, need to reduce NOx with SCR (selective catalyticreduction) system.The principle that this system reduces NOx is: aqueous solution of urea is injected in the blast pipe, makes its atomizing, hydrolysis produce ammonia, ammonia and NOx react, thereby reduce the NOx discharging.Europe utility model prospectus EP1206630B1 discloses a kind of T type tubular type multiple-blade blender, and it is multiple-blade structures that pipe both sides are arranged in this blender, by interlocking of front and back blade, reaches mixed effect.This kind blender can reach strengthens the effect that ammonia mixes, and still, complex structure is installed and dismounting inconvenience, and when engine exhaust flow hour, the mixed effect of ammonia and tail gas is relatively poor.
Chinese patent publication number: CN 101349181A, open day: on January 21st, 2009, denomination of invention " engine purification exhaust apparatus ", the upstream side of the SCR catalyst converter that has proposed at exhaust channel is provided with the teeter chamber, at the upstream-most position of teeter chamber configuration blading, in the downstream of blading and be positioned at the technical scheme of the upstream side configuration nozzle of diameter minimum portion, the distance of blading to the distance of diameter minimum portion and nozzle to the SCR catalyst converter increased simultaneously, help the diffusion of additive in exhaust, atomizing can realize the good mixing of additive and exhaust.But the volume of this technical scheme is bigger, inconvenience is installed, and owing to the upstream of nozzle arrangement in diameter minimum portion, the urea liquid of nozzle ejection very easily is sprayed onto on the tube wall in the diameter minimum portion outside, and along the diffusion of tube wall place, atomizing and mobile, cause the concentration of tube wall place ammonia higher, the concentration of tube hub portion ammonia is lower.The mixed effect of ammonia and tail gas is still desirable not to the utmost.
Summary of the invention
The purpose of this utility model is to overcome the prior art complex structure, adorns, tears open inconvenience, and defective that the gas mixed effect is still waiting to improve and deficiency provide a kind of simple in structure, easy accessibility, and additive and tail gas mixed effect be motor exhaust flow-disturbing blender preferably.
For realizing above-mentioned technical purpose, the technical solution adopted in the utility model is: a kind of motor exhaust flow-disturbing blender, comprise pipeline and blading, the upstream of pipeline is towards exhaust opening of engine, the downstream is towards catalyst converter, the outer wall and the blast pipe of described pipe ends are slidingly matched, downstream one end of pipeline is provided with blading, the stage casing of pipeline is the aditus laryngis pipe of internal diameter less than internal diameter of the pipeline, the tube wall of aditus laryngis pipe is provided with nozzle bore, have an additive nozzle to pass through hole and the nozzle bore on the blast pipe and its spout is placed on the axial line of aditus laryngis pipe, the spout of additive nozzle points to downstream one end of pipeline.
The upstream extremity of described pipeline is a conical tube, and osculum one end of conical tube connects the aditus laryngis pipe, and the downstream of pipeline connects the aditus laryngis pipe for the conical tube of band straight tube, osculum one end of conical tube, and a big mouthful of end of conical tube is connected with straight tube, and straight tube is arranged on the downstream of pipeline.
The internal diameter of described aditus laryngis pipe is 0.7-0.9 a times of pipe ends external diameter.
Described blading is made up of the blade of arranging along the conduit axis axial symmetry, and vanes fixed is on the tube wall of pipe downstream one end, and the outside of pipe end is stretched out in the outer of blade.
Described leaf curling camber, and the blade of close pipeline upstream one side is provided with semicircle or half elliptic otch.
The straight tube body of described additive nozzle is provided with the backstop step, the diameter of backstop step is greater than the diameter or the width of nozzle bore, the height of backstop step is less than or equal to the distance of aditus laryngis pipe outer wall to the blast pipe inwall, and the additive nozzle straight tube body of blast pipe outside is provided with external screw thread and is combined with hold-down nut.
Described nozzle bore is the waist circular port, and the length direction of waist circular port is parallel to the axis of aditus laryngis pipe.
By technique scheme, the beneficial effects of the utility model are: 1. gas good mixing effect.Owing to adopt aditus structure, the additive nozzle is arranged on aditus laryngis pipe place, and blading is set at the downstream part of aditus laryngis pipe, strengthened the gas flow rate at additive nozzle place, reduced the probability that urea-spray is rebuffed, strengthened the mixed effect of ammonia and tail gas.Especially under the little situation of engine exhaust flow, tail gas stream is still higher through the flow velocity of aditus laryngis pipe, strengthened the rate of gasification at nozzle place, bring ammonia into pipe downstream end mixing that flow velocity slows down, and through blade the time, produce eddy current, further eddy current mixes in blast pipe, enters catalyst converter again, improved the ammonia of hydrolysis of urea one-tenth and the mixing uniformity of tail gas, thereby made the good exhaust gas purification effect of catalyst converter performance.2. simple in structure, easy for installation.The blender parts are few, low cost of manufacture, blender integral body is slided from the pore of blast pipe and is packed into, simultaneously by the additive nozzle of packing into of the nozzle bore on through hole on the blast pipe and the aditus laryngis tube wall, both made things convenient for the installation of nozzle, realized blender fixing in blast pipe again, mounted and dismounted very convenient.3. wide accommodation.The utility model structure both can be used for also can be used for other as absorbent-type NO in the SCR tail gas clean-up treatment system
XIn the tail gas clean-up treatment system, also be suitable for the transformation of available engine emission control system.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a scheme of installation of the present utility model.
Among the figure: pipeline 1, aditus laryngis pipe 2, nozzle bore 21, additive nozzle 3, backstop step 31, blading 4, blade 41, catalyst converter 5, hold-down nut 6, blast pipe 7, through hole 71.
The specific embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, a kind of motor exhaust flow-disturbing blender of the present utility model, comprise pipeline 1 and blading 4, the upstream of pipeline 1 is towards exhaust opening of engine, the downstream is towards catalyst converter 5, the outer wall and the blast pipe 7 at described pipeline 1 two ends are slidingly matched, downstream one end of pipeline 1 is provided with blading 4, the stage casing of pipeline 1 is the aditus laryngis pipe 2 of internal diameter less than pipeline 1 internal diameter, the tube wall of aditus laryngis pipe 2 is provided with nozzle bore 21, has an additive nozzle 3 to pass through hole 71 and the nozzle bore 21 on the blast pipe 7 and its spout is placed on the axial line of aditus laryngis pipe 2, and the spout of additive nozzle 3 points to downstream one end of pipeline 1.
When the utility model was applied in the SCR exhaust gas purification system, described catalyst converter 5 was the SCR catalyst converter, and described additive nozzle 3 is a urea nozzle.The downstream of pipeline 1 is fixed with blading 4, and four blades 41 are arranged in the blading 4, and blade 41 is welded as a whole with the tube wall of pipeline 1 downstream; Aditus laryngis pipe 2 is in close upstream one side, and blading 4 is in close downstream one side.Have nozzle bore 21 on the tube wall of aditus laryngis pipe 2, additive nozzle 3 stretches to axis in the aditus laryngis pipe 2 from nozzle bore 21, and the blading 4 of spout one side towards the downstream is fixed on blender on the blast pipe 7 by the hold-down nut on the additive nozzle 36 simultaneously.Tail gas stream is out-of-date, strengthen at aditus laryngis pipe 2 place's flow velocitys, improved the flow velocity at additive nozzle 3 places, the urea liquid that can guarantee 3 ejections of additive nozzle is not run into downstream diffusion, the atomizing that the aditus laryngis inside pipe wall can enter pipeline 1, and when the mist of tail gas and ammonia was flowed through blade 41, partially mixed gas was reflected by blade 41, partially mixed gas forms eddy current through blade 41 and flows out, strengthened the disturbance of mist, it is more even that gas is mixed, and then flow into catalyst converter 5 through blast pipe 7.
Among Fig. 1, the upstream extremity of described pipeline 1 is a conical tube, and osculum one end of conical tube connects aditus laryngis pipe 2, the downstream of pipeline 1 is the conical tube of band straight tube, osculum one end of conical tube connects aditus laryngis pipe 2, and a big mouthful of end of conical tube is connected with straight tube, and straight tube is arranged on the downstream of pipeline 1.For improving the flow through flow velocity of aditus laryngis pipe 2 of motor exhaust, the internal diameter that dwindles aditus laryngis pipe 2 is the easiest method, the internal diameter of aditus laryngis pipe 2 is more little, the gas flow rate that is passed through is high more, but the too small meeting of internal diameter causes exhaust not smooth, the internal diameter that preferably makes described aditus laryngis pipe 2 is 0.7-0.9 a times of pipeline 1 two ends external diameter, is generally about 0.8 times.
Described blading 4 is by forming along the blade 41 of pipeline 1 axis shaft symmetric arrangement, Fig. 1, and among Fig. 2, described blade 41 has four, and four blades 41 are fixed on the tube wall of pipeline 1 downstream one end, and the outside of pipeline 1 end is stretched out in the outer of blade 41.Four blades 41 link into an integrated entity at the place, axle center of pipeline 1, and form sharf at the place, axle center.
For strengthening that blade 41 forms eddy current and to the reflecting effect of mist, described blade 41 is twisted into the shape that arc is promptly made the conventional fan blade, and the blade 41 near pipeline 1 upstream one side is provided with semicircle or half elliptic otch, to reduce the deposition of urea liquid on blade 41.
Referring to Fig. 1, Fig. 2, described additive nozzle 3 is by forming perpendicular to the bending part that is parallel to aditus laryngis pipe 2 after the straight tube body of aditus laryngis pipe 2 and the bending, and spout is arranged on the front end of bending part.The straight tube body of described additive nozzle 3 is provided with backstop step 31, the diameter of backstop step 31 is greater than the diameter or the width of nozzle bore 21, the height of backstop step 31 is less than or equal to the distance of aditus laryngis pipe 2 outer walls to blast pipe 7 inwalls, and the additive nozzle 3 straight tube bodies of blast pipe 7 outsides are provided with external screw thread and are combined with hold-down nut 6.The setting of backstop step 31 should guarantee that the spout of additive nozzle 3 is positioned on the axial line of aditus laryngis pipe 2 on the straight tube body.
Insert aditus laryngis pipe 2 for ease of additive nozzle 3, described nozzle bore 21 is the waist circular port, and the length direction of waist circular port is parallel to the axis of aditus laryngis pipe 2.
Because the outer wall and the blast pipe 7 at pipeline 1 two ends are slidingly matched, blender integral body can be slided in blast pipe 7.During use, blender is installed in the blast pipe 7, additive nozzle 3 is fixed on the blast pipe 8 by hold-down nut 6.By additive nozzle 3 blender and blast pipe 7 are linked into an integrated entity, additive nozzle 3 is connected with the urea liquid container, in the downstream of blast pipe 7 catalyst converter 5 is installed then, can carry out the efficient purification operation of motor exhaust.
The utility model is applied to absorbent-type NO
XIn the time of in the tail gas clean-up treatment system, described catalyst converter 5 is absorbent-type NO
XCatalyst converter, described additive nozzle 3 is a fuel nozzle, other structures of the utility model motor exhaust flow-disturbing blender are identical, fuel nozzle regularly to the downstream burner oil of pipeline 1 to carry out NO
XRemove, can obtain the action effect the same with aforementioned embodiments.
Certainly; blender of the present utility model also can adopt other structure; difformity as blade 41 cross sections; blade 41 is twisted into various angle and carries out various corner cuts at blade 41; the additive nozzle also is not limited to snap-in connection the as herein described with type of attachment between aditus laryngis pipe 2 and the blast pipe 7; as adopting other movable connection method, above-mentioned conversion all should be within protection domain of the present utility model.
Claims (7)
1. motor exhaust flow-disturbing blender, comprise pipeline (1) and blading (4), the upstream of pipeline (1) is towards exhaust opening of engine, the downstream is towards catalyst converter (5), it is characterized in that: the outer wall and the blast pipe (7) at described pipeline (1) two ends are slidingly matched, downstream one end of pipeline (1) is provided with blading (4), the stage casing of pipeline (1) is the aditus laryngis pipe (2) of internal diameter less than pipeline (1) internal diameter, the tube wall of aditus laryngis pipe (2) is provided with nozzle bore (21), have an additive nozzle (3) to pass through hole (71) and the nozzle bore (21) on the blast pipe (7) and its spout is placed on the axial line of aditus laryngis pipe (2), the spout of additive nozzle (3) points to downstream one end of pipeline (1).
2. a kind of motor exhaust flow-disturbing blender according to claim 1, it is characterized in that: the upstream extremity of described pipeline (1) is a conical tube, osculum one end of conical tube connects aditus laryngis pipe (2), the downstream of pipeline (1) is the conical tube of band straight tube, osculum one end of conical tube connects aditus laryngis pipe (2), a big mouthful of end of conical tube is connected with straight tube, and straight tube is arranged on the downstream of pipeline (1).
3. a kind of motor exhaust flow-disturbing blender according to claim 1 and 2 is characterized in that: the internal diameter of described aditus laryngis pipe (2) is 0.7-0.9 a times of pipeline (1) two ends external diameter.
4. a kind of motor exhaust flow-disturbing blender according to claim 1, it is characterized in that: described blading (4) is by forming along the blade (41) of pipeline (1) axis shaft symmetric arrangement, blade (41) is fixed on the tube wall of pipeline (1) downstream one end, and the outside of pipeline (1) end is stretched out in the outer of blade (41).
5. a kind of motor exhaust flow-disturbing blender according to claim 4, it is characterized in that: described blade (41) is twisted into arc, and is provided with semicircle or half elliptic otch near the blade (41) of pipeline (1) upstream one side.
6. a kind of motor exhaust flow-disturbing blender according to claim 1, it is characterized in that: the straight tube body of described additive nozzle (3) is provided with backstop step (31), the diameter of backstop step (31) is greater than the diameter or the width of nozzle bore (21), the height of backstop step (31) is less than or equal to the distance of aditus laryngis pipe (2) outer wall to blast pipe (7) inwall, and outside additive nozzle (3) the straight tube body of blast pipe (7) is provided with external screw thread and is combined with hold-down nut (6).
7. a kind of according to claim 1 or 5 motor exhaust flow-disturbing blender is characterized in that: described nozzle bore (21) is the waist circular port, and the length direction of waist circular port is parallel to the axis of aditus laryngis pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202278980U CN201470307U (en) | 2009-09-04 | 2009-09-04 | Turbulent flow mixer for tail gas of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202278980U CN201470307U (en) | 2009-09-04 | 2009-09-04 | Turbulent flow mixer for tail gas of engine |
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| Publication Number | Publication Date |
|---|---|
| CN201470307U true CN201470307U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202278980U Expired - Lifetime CN201470307U (en) | 2009-09-04 | 2009-09-04 | Turbulent flow mixer for tail gas of engine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500269A (en) * | 2011-10-25 | 2012-06-20 | 哈尔滨工程大学 | Unpowered pipeline stirrer |
| CN103321724A (en) * | 2013-07-09 | 2013-09-25 | 潍柴动力股份有限公司 | SCR catalyzing silencer and hybrid tube device of SCR catalyzing silencer |
| CN105402009A (en) * | 2015-12-17 | 2016-03-16 | 无锡威孚力达催化净化器有限责任公司 | Spiral mixer for integrated injection of SCR catalyst |
| CN105597956A (en) * | 2015-12-17 | 2016-05-25 | 无锡威孚力达催化净化器有限责任公司 | Mixer integrated type spraying unit |
| CN106368773A (en) * | 2016-08-30 | 2017-02-01 | 潍柴动力股份有限公司 | Engine and double-whirl mixing device thereof |
| CN106567763A (en) * | 2016-10-21 | 2017-04-19 | 潍柴动力空气净化科技有限公司 | Mixing device applied to engine SCR system, engine SCR system and engine |
| CN106855006A (en) * | 2015-12-08 | 2017-06-16 | 安徽艾可蓝节能环保科技有限公司 | One kind mixing disturbing flow device |
| CN107081055A (en) * | 2017-04-17 | 2017-08-22 | 山东大学 | A kind of eddy flow combined type SCR static mixers |
| CN107667208A (en) * | 2015-05-27 | 2018-02-06 | 天纳克汽车经营有限公司 | Mixer assembly for exhaust after treatment system |
| CN108404662A (en) * | 2018-05-15 | 2018-08-17 | 大唐环境产业集团股份有限公司 | A kind of rotary SCR dynamics mixing of aciculiform and accumulatingdust spray nozzle device |
| CN108979803A (en) * | 2018-07-25 | 2018-12-11 | 武汉水草能源科技研发中心(有限合伙) | The method and device of liquid and gas mixing |
| CN109184863A (en) * | 2018-09-30 | 2019-01-11 | 潍柴动力股份有限公司 | A kind of SCR hybrid system and its SCR mixer |
| CN109653842A (en) * | 2017-10-10 | 2019-04-19 | 埃贝斯佩歇排气技术有限责任两合公司 | Exhaust equipment |
| CN112933945A (en) * | 2021-02-05 | 2021-06-11 | 南通大学 | Unpowered tail gas is purifier in coordination |
| CN108404662B (en) * | 2018-05-15 | 2024-06-04 | 大唐环境产业集团股份有限公司 | Needle-shaped rotary SCR dynamic mixing and ash deposition preventing nozzle device |
-
2009
- 2009-09-04 CN CN2009202278980U patent/CN201470307U/en not_active Expired - Lifetime
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102500269B (en) * | 2011-10-25 | 2013-10-30 | 哈尔滨工程大学 | Unpowered pipeline stirrer |
| CN102500269A (en) * | 2011-10-25 | 2012-06-20 | 哈尔滨工程大学 | Unpowered pipeline stirrer |
| CN103321724A (en) * | 2013-07-09 | 2013-09-25 | 潍柴动力股份有限公司 | SCR catalyzing silencer and hybrid tube device of SCR catalyzing silencer |
| CN103321724B (en) * | 2013-07-09 | 2016-01-06 | 潍柴动力股份有限公司 | SCR catalytic muffler and mixing tube device thereof |
| CN107667208A (en) * | 2015-05-27 | 2018-02-06 | 天纳克汽车经营有限公司 | Mixer assembly for exhaust after treatment system |
| CN106855006A (en) * | 2015-12-08 | 2017-06-16 | 安徽艾可蓝节能环保科技有限公司 | One kind mixing disturbing flow device |
| CN105402009A (en) * | 2015-12-17 | 2016-03-16 | 无锡威孚力达催化净化器有限责任公司 | Spiral mixer for integrated injection of SCR catalyst |
| CN105597956A (en) * | 2015-12-17 | 2016-05-25 | 无锡威孚力达催化净化器有限责任公司 | Mixer integrated type spraying unit |
| CN105597956B (en) * | 2015-12-17 | 2018-04-27 | 无锡威孚力达催化净化器有限责任公司 | Mixer integrated form injection unit |
| CN106368773A (en) * | 2016-08-30 | 2017-02-01 | 潍柴动力股份有限公司 | Engine and double-whirl mixing device thereof |
| US11365666B2 (en) | 2016-08-30 | 2022-06-21 | Weichai Power Co., Ltd. | Generator and double-swirl mixing device thereof |
| CN106368773B (en) * | 2016-08-30 | 2019-03-29 | 潍柴动力股份有限公司 | A kind of engine and its double-cyclone mixing arrangement |
| CN106567763A (en) * | 2016-10-21 | 2017-04-19 | 潍柴动力空气净化科技有限公司 | Mixing device applied to engine SCR system, engine SCR system and engine |
| CN106567763B (en) * | 2016-10-21 | 2019-05-28 | 潍柴动力股份有限公司 | Mixing arrangement, engine SCR system and engine for engine SCR system |
| CN107081055B (en) * | 2017-04-17 | 2019-08-23 | 山东大学 | A kind of eddy flow combined type SCR static mixer |
| CN107081055A (en) * | 2017-04-17 | 2017-08-22 | 山东大学 | A kind of eddy flow combined type SCR static mixers |
| CN109653842A (en) * | 2017-10-10 | 2019-04-19 | 埃贝斯佩歇排气技术有限责任两合公司 | Exhaust equipment |
| US10934919B2 (en) | 2017-10-10 | 2021-03-02 | Eberspächer Exhaust Technology GmbH & Co. KG | Exhaust system |
| CN109653842B (en) * | 2017-10-10 | 2021-10-15 | 普瑞姆有限公司 | Exhaust apparatus |
| CN108404662A (en) * | 2018-05-15 | 2018-08-17 | 大唐环境产业集团股份有限公司 | A kind of rotary SCR dynamics mixing of aciculiform and accumulatingdust spray nozzle device |
| CN108404662B (en) * | 2018-05-15 | 2024-06-04 | 大唐环境产业集团股份有限公司 | Needle-shaped rotary SCR dynamic mixing and ash deposition preventing nozzle device |
| CN108979803A (en) * | 2018-07-25 | 2018-12-11 | 武汉水草能源科技研发中心(有限合伙) | The method and device of liquid and gas mixing |
| CN108979803B (en) * | 2018-07-25 | 2023-07-25 | 武汉水草能源科技研发中心(有限合伙) | Method and device for mixing liquid and gas |
| CN109184863A (en) * | 2018-09-30 | 2019-01-11 | 潍柴动力股份有限公司 | A kind of SCR hybrid system and its SCR mixer |
| CN112933945A (en) * | 2021-02-05 | 2021-06-11 | 南通大学 | Unpowered tail gas is purifier in coordination |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130909 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130909 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
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| CX01 | Expiry of patent term |