阅读说明：本技术 一种环保的燃料组合物 (Environment-friendly fuel composition ) 是由 赵炜鸣 赵国峰 于 2019-08-26 设计创作，主要内容包括：本发明属于燃料领域,公开了一种环保的燃料组合物,按重量份数计,包括以下组分：循环油25-60份,重质烃8-22份,生物柴油30-60份,原油0.1-1份,白油1-6份,导热油0.05-0.1份；所述循环油中C<Sub>4</Sub>-C<Sub>6</Sub>的烷烃含量为89-98％；所述重质烃是C<Sub>18</Sub>-C<Sub>22</Sub>的烃类混合物。本发明通过选择合适的循环油、重质烃和生物柴油,以及合适的用量比例,使得制备得到的燃料组合物燃烧时的利用率高,容易燃烧充分,燃烧产生的污染物极少,十分环保,燃料组合物能替代柴油,应用于柴油机中,无明显黑烟产生,燃料组合物存储、运输和使用非常安全,燃料组合物的制备过程简单,适合工业化量产。(The invention belongs to the field of fuels, and discloses an environment-friendly fuel composition which comprises, by weight, 25-60 parts of circulating oil, 8-22 parts of heavy hydrocarbon, 30-60 parts of biodiesel, 0.1-1 part of crude oil, 1-6 parts of white oil and 0.05-0.1 part of heat conducting oil, wherein the alkane content of C 4 -C 6 in the circulating oil is 89-98%, and the heavy hydrocarbon is a hydrocarbon mixture of C 18 -C 22 .)

1. The environment-friendly fuel composition is characterized by comprising the following components in parts by weight:

the content of C ₄ -C ₆ alkane in the circulating oil is 89-98% by mass percent, and the heavy hydrocarbon is a C ₁₈ -C ₂₂ hydrocarbon mixture.

2. The fuel composition of claim 1, wherein the circulating oil has a sulfur content of less than 0.06% by mass.

3. The fuel composition of claim 1, wherein the heavy hydrocarbon is a mixture of C ₁₈ -C ₂₂ phenols and naphthalene.

4. The fuel composition of claim 1, wherein the biodiesel is derived from esterification of palm oil, rapeseed oil, soybean oil, peanut oil, or corn oil with an alcohol.

5. The fuel composition of claim 1, wherein the crude oil has a density of 0.8 to 0.9g/cm ³ and a viscosity of 20 to 60 mPa-s at 25 ℃.

6. The fuel composition of claim 5, wherein the crude oil has a sulfur content of less than 0.8% by mass.

7. the fuel composition of claim 1, wherein the white oil is a mixture of alkanes having C ₁₆ -C ₂₃.

8. The fuel composition of claim 1, wherein the thermal oil is one of an alkylbenzene type thermal oil, an alkyl naphthalene type thermal oil, or an alkyl biphenyl type thermal oil.

9. A method of preparing a fuel composition according to any one of claims 1 to 8, comprising the steps of:

(1) Weighing the components according to the formula ratio, mixing the circulating oil with the heat-conducting oil, and stirring to prepare a mixture A for later use;

(2) mixing heavy hydrocarbon with biodiesel, and stirring to obtain a mixture B for later use;

(3) And mixing the mixture A with the mixture B, adding the white oil and the crude oil, stirring, sealing and standing to prepare the fuel composition.

10. The process according to claim 9, wherein the stirring in the step (3) is carried out at a stirring speed of 800-1000 rpm for 8-20 minutes.

Technical Field

the invention belongs to the field of fuels, and particularly relates to an environment-friendly fuel composition.

Background

The diesel oil is a light petroleum product, is a mixture of complex hydrocarbons (with carbon number of about 10-22), and is mainly prepared by blending diesel oil fractions produced in the processes of crude oil distillation, catalytic cracking, thermal cracking, hydrocracking, petroleum coking and the like. Diesel oil is a fuel for diesel engines, and is mainly used as a fuel for large vehicles and ships.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an environment-friendly fuel composition. The fuel composition has high utilization rate during combustion, sufficient combustion and environmental protection, and can replace diesel oil and be applied to diesel engines.

an environment-friendly fuel composition comprises the following components in parts by weight:

The content of C ₄ -C ₆ alkane in the circulating oil is 89-98% by mass percent.

the heavy hydrocarbon is a hydrocarbon mixture of C ₁₈ -C ₂₂.

Preferably, the environment-friendly fuel composition comprises the following components in parts by weight:

The sulfur content of the circulating oil is lower than 0.06 percent by mass.

The circulating oil is a hydrocarbon mixture obtained by catalytically cracking crude oil.

Preferably, the heat value of the circulating oil is higher than 1000 calories.

Preferably, the heavy hydrocarbon is a mixture of C ₁₈ -C ₂₂ phenols and naphthalene.

Preferably, the biodiesel is prepared by esterification reaction of palm oil, rapeseed oil, soybean oil, peanut oil or corn oil and alcohol; further preferably, the biodiesel is prepared by esterification reaction of palm oil and alcohol.

further preferably, the alcohol is methanol or ethanol.

Preferably, the flash point of the biodiesel is greater than or equal to 110 ℃.

The crude oil has a density of 0.8-0.9g/cm ³ and a viscosity of 20-60mPa · s at 25 ℃.

Preferably, the sulfur content of the crude oil is less than 0.8% by mass.

Preferably, the white oil is a mixture of alkanes with C ₁₆ -C ₂₃.

The white oil has a density of 0.831-0.883g/cm ³.

the molecular weight of the alkanes constituting the white oil ranged from 250-450.

More preferably, the white oil is a mixture of n-isomer alkanes of C ₁₆ -C ₂₃.

the density of the heat conducting oil is 0.87-0.89g/cm ³.

Preferably, the heat transfer oil is one of alkylbenzene type heat transfer oil (mainly including a compound having a benzene ring with a branched chain of paraffin), alkyl naphthalene type heat transfer oil (a compound having a benzene ring with a branched chain of paraffin), and alkyl biphenyl type heat transfer oil (a compound having a biphenyl ring with a branched chain of alkyl).

A method of preparing an environmentally friendly fuel composition comprising the steps of:

(1) Weighing the components according to the formula ratio, mixing the circulating oil with the heat-conducting oil, and stirring to prepare a mixture A for later use;

(2) Mixing heavy hydrocarbon with biodiesel, and stirring to obtain a mixture B for later use;

(3) Mixing the mixture A and the mixture B, adding the white oil and the crude oil, stirring for 8-20 minutes at the stirring speed of 800-1000 revolutions per minute, sealing, and standing for 20-24 hours to obtain the fuel composition.

Preferably, the stirring speed in the step (1) and the step (2) is 200-400 r/min, and the stirring time is 5-12 min. The stirring in the step (3) is a high-speed stirring, and has a remarkable promoting effect on the improvement of the utilization rate of the fuel composition during combustion.

Preferably, the stirring in step (1), step (2) and step (3) is carried out at a temperature of 10 to 35 ℃.

The container used for the operation of the step (1), the step (2) and the step (3) is a container which does not generate static electricity, and can also be an iron and stainless steel metal can which is grounded by static electricity.

Compared with the prior art, the invention has the following beneficial effects:

(1) According to the invention, by selecting proper circulating oil, heavy hydrocarbon and biodiesel and proper dosage proportion, the prepared fuel composition has high utilization rate during combustion, is easy to combust fully, generates few pollutants during combustion, and is very environment-friendly.

(2) The fuel composition can replace diesel oil, is applied to diesel engines, and does not generate obvious black smoke.

(3) The fuel composition is very safe to store, transport and use.

(4) The preparation process of the fuel composition is simple and is suitable for industrial mass production.

Detailed Description

in order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples are given for illustration. It should be noted that the following examples are not intended to limit the scope of the claimed invention.

The cycle oil in the following examples was supplied by Nanjing Jiulike Industrial Co., Ltd, the biodiesel was supplied by Putuo petrochemical Co., Ltd, the crude oil was supplied by Zhuoyxin petrochemical Co., Ltd or Wujiang March Tongyuan chemical Co., Ltd, the white oil was supplied by Guangzhou Weidao chemical Co., Ltd, and the heat transfer oil was supplied by Shanghai Jiuxing heat transfer oil Co., Ltd.