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Integrated urea tank

A urea tank and integrated technology, applied in the field of power machinery, can solve the problems of urea tank pollution, complicated installation process, and long time consumption, and achieve the effects of high integration, convenient maintenance and replacement, and low system cost

Inactive Publication Date: 2017-09-22
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages of the existing urea tank solution: 1. The urea tank and the antifreeze solenoid valve 2 need to be installed separately, and a connecting pipe needs to be installed between them. The installation process is complicated and time-consuming
2. It is difficult to disassemble the urea filter 3, and the urea sensor 6 needs to be completely disassembled to be replaced (such as figure 2 )
It takes a long time and requires a lot of replacement space
When replacing, the inside of the urea tank and the urea sensor 6 are completely exposed, which is likely to cause internal pollution of the urea tank

Method used

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0017] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0018] Such as image 3 As shown, an integrated urea tank according to a specific embodiment of the present invention includes a urea tank body 1 and a urea sensor 6, the urea sensor 6 is located on the top of the integrated urea tank, and the urea sensor 6 includes a urea outlet and an antifreeze inlet, The integrated urea tank includes: antifreeze solenoid valve 2 and antifreeze filter 4. The antifreeze solenoid valve 2...

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PUM

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Abstract

The invention discloses an integrated urea tank, which comprises a urea tank body and a urea sensor. The urea sensor is located on the top of the urea tank body, and the urea sensor includes a urea outlet and an antifreeze inlet. The integrated urea tank includes: an antifreeze solenoid valve and antifreeze filter. The antifreeze solenoid valve is integrated on the top of the urea tank body to control the antifreeze to defrost the urea; and the antifreeze filter is set on the urea sensor and connected to the antifreeze inlet to filter the impurities in the antifreeze . Thereby, the integrated urea tank of the present invention has a high degree of integration, can quickly install the urea filter and the antifreeze filter, is convenient to maintain and replace, and has low system cost.

Description

technical field [0001] The invention relates to the field of power machinery, in particular to an integrated urea tank. Background technique [0002] The SCR injection system is used in the diesel engine aftertreatment system to eliminate NOx exhaust pollutants. The parts included in the SCR injection system are: urea tank, antifreeze solenoid valve, air filter, metering injection pump, DCU components, nozzles and connecting pipelines. The system controls the metering injection pump by the DCU, mixes the compressed air cleaned by the air filter, and the urea solution preheated in the urea tank through the antifreeze solenoid valve through the antifreeze liquid, and sprays it through the nozzle according to the actual demand. In the mixer, the reduction reaction with NOx produces nitrogen and water. [0003] The function of the urea tank is to hold the urea solution and integrate the urea sensor to monitor the urea level, temperature and density. [0004] Existing urea tan...

Claims

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Application Information

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IPC IPC(8): F01N3/28F01N13/08
CPCF01N3/28F01N3/2882F01N13/08F01N2610/02
Inventor 肖枫陶泽民杨树宝
Owner GUANGXI YUCHAI MASCH CO LTD
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