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Novel diesel compound additive

A compound additive and diesel technology, which is applied in fuel additives, petroleum industry, liquid carbon-containing fuels, etc., can solve the problems of restricting the use of secondary processing diesel, difficult to adapt to low temperature, difficult to use diesel, etc. The effect of improving storage stability and excellent frost resistance

Active Publication Date: 2011-05-04
SHANDONG TAIDE NEW ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount of middle-distillate straight-run diesel oil obtained through atmospheric and vacuum distillation of petroleum is very small, which is far from meeting the needs of industrial and agricultural production, transportation, etc. Secondary processing to produce a certain amount of diesel blend stock
Compared with gasoline, diesel oil contains various long-chain n-alkanes (paraffins), and they will crystallize out of the oil when the temperature drops. When about 3% of the paraffins in diesel oil are precipitated, the oil will lose its low-temperature operability. This will cause great difficulties in the use of diesel in winter
In addition, some olefins, nitrides, sulfides, etc. contained in diesel oil will generate a series of oxidized intermediate products under the action of oxygen, and then further produce insoluble precipitates through condensation, resulting in carbon deposition.
Secondary processing diesel oil has the disadvantage of instability, causing it to deteriorate after a period of storage, resulting in precipitation and deepening of the color
These insoluble particles generated during the storage of diesel oil will cause blockage of the filter system, cause failure of fuel system components, affect fuel injection atomization, cause incomplete combustion, and even form excessive carbon deposits in the engine, causing nozzle blockage and increasing engine fuel consumption , causing environmental pollution, etc.
The current conventional diesel additive technology aims to increase the cetane number but cannot achieve simultaneous optimization of combustion, and most diesel additives also have the problem of difficulty adapting to low temperature
In addition, these additives have little effect on secondary processed diesel oil with poor stability, which greatly limits the utilization of secondary processed diesel oil

Method used

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Examples

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Embodiment 1

[0032] A novel diesel composite additive according to the present invention is composed of the following components calculated in parts by mass: the antioxidant is 20 parts of polyisobutylene succinamide, and the cetane number improver is 2-ethylhexyl nitrate

[0033] 50 parts, the low-temperature flow improver is polyethylene and 30 parts of alkenyl butyramide acid, wherein polyethylene: alkenyl butyramide acid=1:1.2.

[0034] Under normal temperature and pressure, in a stirred container, mix polyisobutylene succinamide, polyisobutylene succinamide and alkenyl butyramide acid in proportion and stir evenly, then dissolve polyethylene in it, and stir for 1.5 hours to prepare have to.

Embodiment 2

[0036] A novel diesel composite additive according to the present invention is composed of the following components calculated in parts by mass: the antioxidant is 25 parts of polyisobutylene succinamide, and the cetane number improver is 45 parts of 2-ethylhexyl nitrate Parts, low temperature flow improver is polyethylene and alkenyl butyramide acid 35 parts, wherein polyethylene: alkenyl butyramide acid=1:1.2.

[0037] Under normal temperature and pressure, in a stirred container, mix polyisobutylene succinamide, polyisobutylene succinamide and alkenyl butyramide acid in proportion and stir evenly, then dissolve polyethylene in it, and stir for 1.5 hours to prepare have to.

Embodiment 3

[0039] A novel diesel composite additive according to the present invention is composed of the following components calculated in parts by mass: the antioxidant is 15 parts of polyisobutylene succinamide, and the cetane number improver is 55 parts of 2-ethylhexyl nitrate Parts, low temperature flow improver is polyethylene and alkenyl butyramide acid 30 parts, wherein polyethylene: alkenyl butyramide acid=1:1.8.

[0040] Under normal temperature and pressure, in a stirred container, mix polyisobutylene succinamide, polyisobutylene succinamide and alkenyl butyramide acid in proportion and stir evenly, then dissolve polyethylene in it, and stir for 2.0 hours to prepare have to.

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Abstract

The invention belongs to the technical field of petroleum additive products, and particularly relates to a novel diesel compound additive. The novel diesel compound additive is prepared from antioxidant, cetane number improver, and low-temperature flow improver. The diesel compound additive can obviously improve storage stability of fuel oil, has an obvious effect of improving combustibility, makes fuel oil completely combusted, and has excellent frost resisting capacity at a low temperature, is suitable for common diesel, and even has the very ideal effect of optimizing secondary processing diesel with harsh requirement, so that the utilization field and range of the diesel is widened.

Description

technical field [0001] The invention belongs to the field of petroleum additive products, in particular to a novel composite additive for diesel oil. Background technique [0002] In the prior art, the energy sources commonly used in my country at present mainly include gasoline, diesel oil, natural gas, etc., among which diesel oil is one of the important fuel oils. However, the amount of middle-distillate straight-run diesel oil obtained through atmospheric and vacuum distillation of petroleum is very small, which is far from meeting the needs of industrial and agricultural production, transportation, etc. Secondary processing to produce a certain amount of diesel blending material. Compared with gasoline, diesel oil contains various long-chain n-alkanes (paraffins), and they will crystallize out of the oil when the temperature drops. When about 3% of the paraffins in diesel oil are precipitated, the oil will lose its low-temperature operability. This will cause great di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/10C10L1/04C10L1/236C10L1/23C10L1/195C10L1/224C10L10/00C10L10/12C10L10/14
Inventor 车春玲
Owner SHANDONG TAIDE NEW ENERGY
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