A vapor drag reducing agent for methanol gasoline

Abstract

The invention discloses a methanol gasoline air-lock inhibitor, formed by mixing the following components in percentage by weight: 80-90% of polymethoxy acetal, 3-6% of aliphatic alcohol, 2-5 parts of aliphatic ether, 2-6 parts of aliphatic ketone, 1-2% of metallic corrosion inhibitor and 1-2% of rubber swelling inhibitor. After the methanol gasoline air-lock inhibitor provided by the invention is added into methanol gasoline, through the way that the methanol gasoline air-lock inhibitor reacts with methanol to form hydrogen bond, so that the initial boiling point of the methanol gasoline and the distilled temperature for distilling 5-10% distillate of the methanol gasoline are raised, thus playing a role in reducing saturated vapor pressure of the methanol gasoline and solving air-lock of the methanol gasoline.

Description

technical field [0001] The invention relates to an additive for methanol gasoline, in particular to an additive capable of reducing the saturated vapor pressure of methanol gasoline. Background technique [0002] Energy depletion and environmental pollution are serious problems facing the world. With the rapid growth of the number of automobiles, the contradiction between the supply and demand of petroleum-based fuels has become increasingly prominent worldwide. The total amount of petroleum consumed by automobile engines is huge, and exhaust emissions have become one of the main sources of air pollution today. Considering resources, environment, economy, etc., the research and development of clean alternative fuels and the rational use of resources have become increasingly prominent practical issues. [0003] Methanol fuel is rich in sources, which can reduce vehicle operating costs and save a lot of oil resources. Therefore, it has practical and economic significance to u...

AI Technical Summary

Problems solved by technology

However, the saturated vapor pressure experiment of component oils shows that the Reid vapor pressure (RVP) of blended gasoline is restricted by the blending components of cracked gasoline. After adding methanol, due to the azeotropic effect, the RVP rises by 10-15KPa, although in methanol Adding a small amount of C5-C9 alcohol-ether mixtures, or adding surfactants to suppress the specific evaporation rate and Reid vapor pressure can only reduce 5-7KPa, and the RVP still cannot be reduced to the ideal level.