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Blade mixer for side spraying of end cap

A mixer and end cap technology, used in machines/engines, exhaust gas treatment, mechanical equipment, etc., can solve problems such as inability to be universal, and achieve the effects of reducing the risk of crystallization, excellent performance, and increasing mixing distance.

Pending Publication Date: 2020-09-11
WUXI WEIFU LIDA CATALYTIC CONVERTER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Restricted by the boundary of the whole vehicle, for some nozzles that need to be arranged on the side of the end cover, these mixers cannot be used universally. Therefore, it is necessary to design a mixer solution for side spraying of the end cover

Method used

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  • Blade mixer for side spraying of end cap
  • Blade mixer for side spraying of end cap
  • Blade mixer for side spraying of end cap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The present invention will be further described in conjunction with specific implementation below.

[0030] Such as Figure 1-6 As shown, a blade mixer for side spraying of the end cover, the mixer includes a front assembly, a rear assembly, a connecting end cover 5, an assembly partition 6 and an end cover 10;

[0031] The front assembly includes a baffle 1, a front partition 2, a first swirl plate 3 and a second swirl plate 4, wherein the outer circle of the baffle 1 is connected with a front partition 2, the first swirl plate 3 and the second The swirl plate is set at 4 intervals,

[0032] The rear assembly includes a crushing deflector 7, a deflector 8 and a crushing plate 9, and the crushing plate 9 is arranged between the crushing deflector 7 and the deflector;

[0033] The front assembly is fixed on the front of the assembly partition 6, the rear assembly is fixed on the back of the assembly partition 6, the fixed structure is assembled with the connection end ...

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PUM

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Abstract

The invention relates to a blade mixer for side spraying of an end cap. The mixer comprises a front assembly, a rear assembly, a connecting end cap, an assembling partition plate and an end cap, wherein the front assembly comprises a baffle, a front partition plate, a first cyclone plate and a second cyclone plate, the rear assembly comprises a crushing flow guide plate, a flow guide plate and a crushing plate, and the crushing plate is arranged between the crushing flow guide plate and the flow guide plate; the front assembly is fixed in front of the assembling partition plate, the rear assembly is fixed on the back surface of the assembling partition plate, the fixed structure is matched and assembled with the connecting end cover, and the assembled connecting end cover is connected withthe end cover in a covering manner; and the side surface of the end cap is provided with a base, and the base is equipped with a nozzle. According to the mixer, an SCR mixing device is capable of reducing urea crystallization as much as possible, an SCR carrier is prevented from being blocked, and therefore stable operation of an SCR is ensured.

Description

technical field [0001] The invention belongs to the technical field of post-treatment of diesel engine exhaust, and in particular relates to a blade mixer used for side injection of an end cover. Background technique [0002] With the development of the national diesel vehicle exhaust pollutant emission standard to the Euro VI stage, SCR (Selective Catalytic Reduction Converter) technology has become the first choice of major domestic OEMs. The SCR technology requires a urea mixer to be arranged at the front end of the SCR, and the urea aqueous solution is injected into the mixer, and the urea is evenly distributed on the front end of the SCR through the crushing and mixing of the mixer. [0003] In the existing U-shaped aftertreatment of commercial vehicles in the National VI stage, the urea nozzle is generally arranged on the upper end of the end cover or on the SCR cylinder, and the corresponding mixer scheme is also designed to match the nozzle. Restricted by the bounda...

Claims

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Application Information

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IPC IPC(8): F01N3/28F01N3/20
CPCF01N3/2066F01N3/28F01N3/2892F01N2610/02F01N2610/1453Y02T10/12
Inventor 何龙张旭陈增响何伟娇付细平蒋海荣马相雪徐东
Owner WUXI WEIFU LIDA CATALYTIC CONVERTER