Multifunctional automobile exhaust treatment fluid and preparation method and system thereof

A technology for automobile exhaust and preparation systems, applied in separation methods, chemical instruments and methods, mechanical equipment, etc., can solve problems such as inability to adequately handle wastes such as Nox, clogging low temperature adaptability, corrosion, etc., to promote efficient removal, prevent metal Corrosion, the effect of increasing the content of ammonia gas

Pending Publication Date: 2022-03-01
长春盛恒环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to add urea solution in the urea tank of the traditional SCR system as the vehicle exhaust treatment liquid, but the urea solution or related solutions in the prior art cannot fully treat wastes such as Nox, and there are also corrosion catalysts, clogging and low temperature poor adaptability

Method used

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  • Multifunctional automobile exhaust treatment fluid and preparation method and system thereof
  • Multifunctional automobile exhaust treatment fluid and preparation method and system thereof
  • Multifunctional automobile exhaust treatment fluid and preparation method and system thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Multifunctional automobile exhaust gas treatment fluid, composed of the following components in weight percentage: urea 20%, sodium gluconate 9%, trisodium phosphate 5%, sodium polyacrylate 5%, zinc gluconate 1%, polyethylene glycol 2 %, triethanolamine 2%, ethylene glycol 10%, fatty alcohol polyoxyethylene ether 1%, montmorillonite clay 4%, and the balance is water.

Embodiment 2

[0033] Multifunctional automobile exhaust gas treatment liquid, composed of the following components in weight percentage: urea 32%, sodium gluconate 7%, trisodium phosphate 10%, sodium polyacrylate 5%, zinc gluconate 3%, polyethylene glycol 4 %, triethanolamine 5%, ethylene glycol 6%, fatty alcohol polyoxyethylene ether 2%, montmorillonite clay 5%, and the balance is water.

Embodiment 3

[0035] Multifunctional automobile exhaust gas treatment fluid, including weight components: 26% urea, 15% sodium gluconate, 8% trisodium phosphate, 10% sodium polyacrylate, 2% zinc gluconate, 3% polyethylene glycol, three Ethanolamine 3%, ethylene glycol 15%, fatty alcohol polyoxyethylene ether 1.5%, montmorillonite clay 5%, and the balance is water.

[0036] In practice, the multifunctional vehicle exhaust gas treatment liquid of the present application can fully treat vehicle exhaust as a whole, and can also prevent SCR system catalysts and Exhaust pipe metal corrosion, the joint action of montmorillonite clay and urea can also absorb and prevent the formation of clogged colloid in the exhaust pipe. The automobile exhaust treatment fluid of the application also has good low-temperature application characteristics.

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PUM

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Abstract

The invention discloses a multifunctional automobile exhaust treating fluid and a preparation method and system thereof, and the multifunctional automobile exhaust treating fluid comprises the following components: urea, sodium gluconate, trisodium phosphate, sodium polyacrylate, zinc gluconate, polyethylene glycol, triethanolamine, ethylene glycol, fatty alcohol-polyoxyethylene ether, montmorillonite clay and water. The preparation method of the multifunctional automobile exhaust treating fluid comprises the following steps: adding urea, sodium gluconate, trisodium phosphate, sodium polyacrylate, zinc gluconate and polyethylene glycol into a hot dissolving tank through a hot dissolving feed port for hot dissolving to obtain a primary material; then the primary material is pumped into a stirring tank through a mixing output pump, a second communicating pipe and a first communicating pipe; the preparation method comprises the following steps: drying montmorillonite clay, adding the montmorillonite clay into a ball mill through a valve for ball milling, and then adding the montmorillonite clay subjected to ball milling into a stirring tank through a first communicating pipe; triethanolamine, ethylene glycol and fatty alcohol-polyoxyethylene ether are added into the stirring tank, and the treating fluid is obtained.

Description

technical field [0001] The invention relates to a multifunctional automobile tail gas treatment liquid and a preparation method and system thereof. Background technique [0002] The SCR system of the vehicle is selective catalytic reduction technology. The SCR system is a treatment process for NOx and other wastes in vehicle exhaust emissions, that is, under the action of the catalyst, the reducing agent ammonia or urea is injected to reduce the NOx in the exhaust gas to N2 and H2O etc. Therefore, it is necessary to add urea solution in the urea tank of the traditional SCR system as the vehicle exhaust treatment liquid, but the urea solution or related solutions in the prior art cannot fully treat wastes such as Nox, and there are also corrosion catalysts, clogging and low temperature Poor adaptability and other issues. Contents of the invention [0003] The object of the present invention is to provide a multifunctional automobile exhaust gas treatment liquid and its pr...

Claims

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Application Information

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IPC IPC(8): B01D53/94B01D53/56
CPCB01D53/9409Y02A50/20Y02T10/12
Inventor 田井文刘洺含崔迪谢伟张姝然许彦红
Owner 长春盛恒环保科技有限公司
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