JPS606393B2 - Method for producing a mixture of stabilized petroleum and coal powder - Google Patents

Description

Detailed Description of the Invention The present invention aims to supply a highly thermally efficient mixture as a fuel for thermal power generation, steel passenger vehicles, cement industry, etc. by increasing the ratio of coal powder mixed with petroleum. The present invention relates to a method for producing a mixture of distilled petroleum and coal powder.

Conventionally, thermal power generation has been performed by ejecting petroleum, especially heavy oil, and coal powder from different burners and mixing them, but the ratio of heavy oil to coal powder is about 8:2.

Attempts have therefore been made to increase the mixing ratio to increase thermal efficiency, but these have various drawbacks and have not been put to practical use. The present inventors have arrived at the present invention as a result of diligent research efforts.

That is, the present invention provides N-alkyl (or alkenyl)-N'- obtained by reacting an N-alkyl (or alkenyl) polyalkylene polyamine with a fatty acid having 8 to 22 carbon atoms.
N-polyoxyalkylene-N-alkyl (or alkenyl)-N'-alkanoyl (or alkenoyl) polyalkylene polyamine obtained by addition reaction of ethylene oxide or (and) propylene oxide to alkanoyl (or alkenoyl) polyalkylene polyamine. A quaternary ammonium salt type cationic surfactant obtained by adding a cationizing agent and reacting, or adding a mineral acid or arylsulfonic acid, aging it, and then introducing ethylene oxide or propylene oxide to perform an addition reaction, 0 for the total amount of petroleum and coal powder
．． 05-1. This is a method for producing a mixture of stabilized petroleum and coal powder, which is characterized by adding % by weight of coal powder.

In the present invention, petroleum refers to crude oil, heavy oil, light oil, kerosene, or a mixture thereof, which is used as a fuel, and economically preferred is crude oil or heavy oil. Further, the coal powder is preferably one obtained by pulverizing coal and having a particle size smaller than 100 mesh.

It is effective if the amount of the compound used in the present invention is 0.05% by weight or more based on the total amount of petroleum and coal powder, and if it exceeds 1% by weight, the effect is acceptable but it is not economical. unfavorable to Differences in the method of adding the compound used in the present invention to a mixture of petroleum and coal powder or differences in the method of mixing petroleum and coal powder do not affect the intended effects of the present invention.

For example, after adding the compound used in the present invention to petroleum,
Method of mixing coal powder, Adding the compound used in the present invention after mixing petroleum and coal powder, Grinding coal in petroleum) In the present invention The effect of the present invention does not change depending on the method of adding the compound used in the present invention (or the method of adding the compound used in the present invention after pulverizing coal in petroleum). The starting material N-alkyl (or alkenyl) polyalkylene polyamine for obtaining the quaternary ammonium salt type cationic surfactant used in the present invention has the general formula RNH [(
CQ)mNH]nH (wherein, R is an alkyl group or alkenyl group having 8 to 22 carbon atoms, m is an integer of 2 or 3, and n is an integer of 1 to 5.

) and can be exemplified as follows. RNHC 2 days 4NH2, RNHC 3 days 6NH
2, RNHC 2 days 4NHC2 ratio NH2, RNHC 2 days 4
NHC34NH2, RNHC3days6NHC3daysGNH2
RNHC2day4NHC2 is NHC2 ratio NH2, RNHC
2 days 4 NHC 2 days NHC 2 is NHC 2 days 4 NHC 2 days 4
N&RNHC 2 days 4NHC 2 daysNHC2 ratioNHC 3 days 6
NH2,RNHC2day4NHC2Mr.NHC2ratioNHC2
However, in the above example, R has 8 to 2 carbon atoms.
2 represents an alkyl group or an alkenyl group.

In addition, fatty acids having 8 to 22 carbon atoms derived from the above R and N
- Examples of fatty acids having 8 to 22 carbon atoms used in the reaction with alkyl (or alkenyl) polyalkylene polyamines include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, mixed coconut fatty acid, linoleic acid, and ricinoleic acid. , tallow fatty acid, and other higher fatty acids, preferably lauric acid, oleic acid, and mixed chassis fatty acids.

The reaction between the N-alkyl (or alkenyl) polyalkylene polyamine and the higher fatty acid as described above is preferably carried out at a temperature of 15% in the presence of an inert gas such as nitrogen gas or carbon dioxide gas.
N-alkyl (
or alkenyl)-N'-alkanoyl (or alkenoyl) polyalkylene polyamine.

At this time, since the secondary amino group of the N-alkyl (or alkenyl) polyalkylene polyamine is difficult to be amidated, 1 mole of the higher fatty acid is substantially reacted with 1 mole of the N-alkyl (or alkenyl) polyalkylene polyamine. The subsequent addition reaction of ethylene oxide or (and) propylene oxide is performed on N-alkyl (
or alkenyl)-N'-alkanoyl (or alkenoyl) polyalkylenepolyamine 50 to 100% of ethylene oxide or (and) propylene oxide based on the total amount of alkyl groups (or alkenyl groups) and alkanoyl groups (or alkenoyl groups) in one molecule of polyalkylene polyamine. preferably 200 to 50% by weight of ethylene oxide.
and 100-30% by weight of propylene oxide
and ethylene oxide in an amount of 300 to 60% by weight is preferable in terms of effectiveness.

Methyl bromide,
Add a cationizing agent such as methyl chloride, dimethyl sulfate, jetyl sulfate, penzyl chloride, etc. to react, or add hydrochloric acid, sulfuric acid,
A mineral acid such as nitric acid or an arylsulfonic acid such as benzenesulfonic acid or toluenesulfonic acid is added and aged, followed by an addition reaction with ethylene oxide or propylene oxide to obtain a quaternary ammonium salt type cationic surfactant. .

In the above cationization reaction, a cationization agent can be reacted with the same number of tertiary amino groups in the molecule of the N-polyoxyalkylene-N-alkyl (or alkenyl)-N'-alkanoyl (or alkenoyl) polyalkylene polyamine.

When the N-alkyl (or alkenyl) polyalkylene polyamine has 2 to 3 amino groups, the ratio of cationizing agent to the amine is 1:1 mole, and when the N-alkyl (or alkenyl) polyalkylene polyamine has 4 to 6 amino groups, the ratio of cationizing agent to the amine is 1:1. 1: preferably in the range of 1.5 to 2.0 mol. Next, the present invention will be explained by examples.

Example 1 In a flask equipped with a concentrated Western-style calendar, a nitrogen gas introducing device, a thermometer, a water sample tube, and a condenser, 299 mol of lauryl dibropyrene triamine (1 mol) and 200 mol of lauric acid (1 mol) were added.
mol) and reacted for 6 hours at a temperature of 160°C under nitrogen gas introduction to dehydrate 179% and give an acid value of 2.5.
An amide compound was obtained.

Next, 481 moles (1 mole) of the above amide compound and 24 moles of sodium acetate were charged into an autoclave, and 1056 moles of ethylene oxide (24 moles: amide The alkyl group of the compound and the acyl group of the fatty acid (C,.day23CO
) was subjected to an addition reaction for 4 hours. Next, 768.59 (0.5 mol) of the above ethylene oxide addition reaction product was charged into a flask equipped with a wax layer, a thermometer, and a gas inlet tube, and at a temperature of 80. 0.5 mol) was blown through the gas introduction tube over a period of 2 hours to cause a cationization reaction.

The obtained reaction product (hereinafter referred to as compound A) is a brown viscous liquid, and is estimated to be a compound having the structure shown below.

(However, p + g + r = 4) Next, 800 tons of Middle Eastern heavy oil having the physical properties shown in Table 2 was collected in a 3-kg container equipped with a crossing device, and the contents were thickened with oil at a temperature of 70 ± The mixture was kept at 2° C. and 2 portions of Compound A was added thereto, and then 800 tons of crushed Hongei charcoal having the physical properties shown in Table 3 was gradually added and mixed well.

Next, the above mixture 1 is prepared as shown in the following figure, i.e., the upper part 30
Sample the mixture into a cylinder equipped with sampling ports at the 0' and 300' positions at the bottom, place it in a hot air circulation constant temperature machine at 70q0±1°C, let it stand still for 30 days, and then pour the mixture from the top sampling port. Collect 300' of the upper layer of
After taking out 400 samples from the middle layer from the lower sampling port, 300 samples from the lower layer were collected.

The viscosity at 7000 was measured using a B-type rotational viscometer for each of the upper layer mixture and lower layer mixture sampled as described above, and the results are shown in Table 1. Example 2 350% by weight of ethylene oxide was added to an amide compound obtained by reacting 1 mole of valmityl dipropylene triamine and 1 mole of coconut oil, and 1 mole of dimethyl sulfate was added to 1 mole of this product. A cationization reaction was performed to obtain a dark brown viscous liquid (hereinafter referred to as compound B).

In the following, a mixture was prepared in the same manner as in Example 1, and the viscosity was measured. The results are shown in Table 1. Example 3 40% by weight of ethylene oxide was added to an amide compound obtained by reacting 1 mole of oleyltetraethylenebentamine and 1 mole of lauric acid, and 1.5 moles of diethyl sulfate was added to 1 mole of the product. In addition, a cationization reaction was carried out to obtain a dark brown viscous liquid (hereinafter referred to as compound C).

A mixture was prepared in the same manner as in Example 1, and the viscosity was measured. The results are shown in Table 1. Comparative Example 1 In a container equipped with a thickening device, 800 g of Middle Eastern heavy oil having the physical properties shown in Table 2 was collected, and the contents were poured into a container with an oil concentrator and kept at a temperature of 70 °C and 2 °C. Two parts of dimethyl ammonium chloride (hereinafter referred to as Comparative Compound 1) were added, and then 800 parts of crushed Hongei charcoal having the physical properties shown in Table 3 were gradually added and mixed well.

Next, the above mixture 1 was poured into the cylinder used in Example 1, and after placing it in a hot air circulation constant temperature machine at 70±1°C and allowing it to stand still for 30 days, the upper layer of the mixture was poured from the upper sampling port. After sampling the upper part of 300 and taking out the middle part 400 from the lower sampling port,
was collected.

The viscosity at 7000 was measured using a B-type rotational viscometer for each of the upper layer mixture and lower layer mixture sampled as described above, and the results are shown in Table 1.

Comparative Example 2 A mixture of stearyltrimethylammonium bromide (hereinafter referred to as Comparative Compound 2) was prepared in the same machine as Comparative Example 1 in the same manner as in Comparative Example 1, and the viscosity was measured. The results are shown in Table 1.

Table 1 As shown in Table 1, each of the compounds used in the present invention, that is, the mixtures to which Compounds A to C are added, has a small viscosity difference between the upper layer and the lower layer. The stability of the mixture is sufficient.

On the other hand, in each of the mixtures to which Comparative Compound 1 and Comparative Compound 2 were added, significant sedimentation of coal was observed and the lower layer lost fluidity, making it impossible to measure the viscosity.

Table 2 Table 3

Claims (1)

[Claims] 1. A cationizing agent is added to the product obtained by reacting an N-alkyl (or alkenyl) polyalkylene polyamine with a fatty acid having 8 to 22 carbon atoms and then adding ethylene oxide or (and) propylene oxide. A quaternary ammonium salt type cationic surfactant obtained by addition reaction of ethylene oxide or propylene oxide in the presence of a mineral acid or an arylsulfonic acid is added to the total amount of petroleum and coal powder. A method for producing a stabilized mixture of petroleum and coal powder, characterized by adding .05 to 1.0% by weight.