KR101347497B1 - Liquid fuel and manufacture method - Google Patents

Abstract

The present invention provides a liquid fuel capable of suppressing the amount of carbon dioxide generated and lowering the operating cost of a boiler or the like and a method of manufacturing the same. The liquid fuel of the present invention is characterized in that petrochemical fuel, water and oxygen are mixed and suspended. The preceding petrochemical fuel is heavy oil. When the total amount of the previously recorded liquid fuel is 100% by weight, the amount of water previously recorded is preferably in the range of 10 to 75% by weight. The liquid fuel of the present invention can be produced by a step of suspending a mixture of petrochemical fuel and water and a production method under a step of adding oxygen.

Description

Liquid fuel and its manufacturing method {LIQUID FUEL AND MANUFACTURE METHOD}

TECHNICAL FIELD This invention relates to the liquid fuel which can be used, for example in power generation, an industrial boiler, a waste incinerator, a heating boiler, etc., and its manufacturing method.

Conventionally, thermal power plants, waste incinerators, industrial boilers, and the like have been used with heavy oil as fuel.

When heavy oil is burned, a large amount of carbon dioxide (CO2) is produced. Since carbon dioxide promotes global warming, it is a problem that is difficult to solve as a global problem on earth. In addition, fuel costs (costs) of boilers and the like are increasing as the crude oil prices are gradually depleted.

There is no patent document related to the present invention yet.

The nonpatent literature concerning the present invention has not been found yet.

SUMMARY OF THE INVENTION The present invention has been conceived in view of the above, and provides a liquid fuel capable of suppressing the amount of carbon dioxide generated and lowering the operating cost of a boiler or the like and a method of manufacturing the same. The purpose.

The liquid fuel of the present invention is characterized in that a mixture of petrochemical fuel, water and oxygen is suspended. The liquid fuel of the present invention can reduce the amount of carbon dioxide gas in the exhaust gas generated at the time of combustion as compared with heavy oil or the like. As a result, environmental problems such as global warming can be improved. In addition, the energy generated when burning the liquid fuel of the present invention is higher than that of heavy oil. Therefore, the consumption of liquid fuel can be reduced, and as a result, the operating costs of thermal power plants, industrial boilers and waste incinerators can be lowered.

The liquid fuel of the present invention, oxygen, For example, it is preferable to contain as a micro bubble (for example, micro size or nano size bubble). The bubble may contain an air component (for example, nitrogen) other than oxygen. In the liquid fuel of the present invention, oxygen may be dissolved in the liquid. The amount of oxygen added is preferably in the range of 0.001 to 0.02% by weight relative to 100% by weight of the liquid fuel.

The above-mentioned petrochemical fuels can be used in various ways. For example, it is possible to use jet fuel, gasoline, kerosene, diesel, heavy oil (A heavy oil, C heavy oil) and the like.

When the total amount of the previously recorded liquid fuel is 100% by weight, the amount of the above-mentioned water is preferably in the range of 10 to 75% by weight. The compounding quantity of water can be adjusted according to a use. As an example of mix | blending of liquid fuel, the following can be enumerated, for example.

(Iii) A liquid fuel containing 80% by weight of heavy oil A and 20% by weight of water. Can be used for diesel engines.

(Ii) A liquid fuel containing 70 to 80% by weight of heavy oil A and 20 to 30% by weight of water. Can be used for boilers.

(Ⅲ) Liquid fuel containing 70 to 80% by weight of heavy oil and 20 to 30% by weight of water. It can be used for thermal power generation or large industrial boilers.

The liquid fuel of the present invention, for example, has a step of suspending a mixture of petrochemical fuel and water recorded before, and a process of adding oxygen. It can be manufactured by the manufacturing method.

The above-mentioned suspension suspension process can be made into the process of disperse | distributing the mixture of the above-mentioned petrochemical fuel and the above-mentioned water using a high speed rotor, for example. .

In addition, after the process of suspension previously recorded, you may advance to the process of dispersing again using a nano bubble group. The addition of oxygen may be performed during the step of dispersing using a nanobubble group, or may be performed before or after this step. In the process of dispersing using a nanobubble group, particles of petrochemical fuel and water can be further refined. In addition, when oxygen is added during the process of dispersing using a nanobubble group, oxygen bubbles can be made fine (for example, micronized or nanonized).

In the step of adding oxygen, for example, oxygen in the air (may contain a component of air other than oxygen (for example, nitrogen)) can be added.

The liquid fuel according to the present invention and a method for producing the same include suspension of petrochemical fuel, water and oxygen, and the liquid fuel of the present invention is carbonic acid in the exhaust gas generated during combustion as compared with heavy oil. It is possible to reduce the amount of gas, thereby improving environmental problems such as global warming, and the energy generated when burning the liquid fuel of the present invention is higher than that of heavy oil, thus reducing the consumption of liquid fuel. As a result, it is possible to lower the operating costs of thermal power plants, industrial boilers, and waste incinerators.

1 is an explanatory diagram showing the configuration of a facility to be used for producing liquid fuel.

Embodiment of this invention is described.

≪ Example 1 >

1. Method of manufacturing and using liquid fuel

A method for producing a liquid fuel will be described with reference to FIG. 1. 1 is an explanatory diagram showing a configuration of a facility used for producing a liquid fuel.

First, raw water is purified by the water purifier 1. Raw water is water, such as pond water, river water, groundwater, industrial water, and tap water. The water purifier 1 is a general apparatus which removes foreign substances in raw water by filtration. The purified water is transferred to the high speed dispersion mixer 5 by the fixed pump 3. On the other hand, in the heavy oil tank 7, the heavy oil A is sent to the high speed dispersion mixer 5 by the fixed quantity pump 9. In the high speed dispersion mixer 5, the weight ratio of the heavy oil A to the purified water is an integer of 20% by weight relative to 80% by weight of the heavy oil A.

The high speed dispersion mixer 5 is a well-known mixer with a rotary blade, and the rotation speed of the rotary blade can be set within the range of 2000 to 5000 rpm. The high-speed dispersion mixer 5 is continuously operated, and the mixture of A heavy oil and purified water is dispersed and suspended (suspended) when passing through the high-speed dispersion mixer 5 (hereinafter, dispersed atomization). It is called dispersion fine particle). The processing capacity at 2000 rpm of the high speed dispersion mixer 5 is 20 L / min, and the processing capacity at 5000 rpm is 50 L / min. Furthermore, when industrializing, it is possible to size up (enlarge size) the high speed dispersion mixer 5.

The dispersed fine particles having passed through the high speed dispersion mixer 5 are transferred to the nano tank 11. The nano tank 11 is provided with the stirring blade 15 driven by the motor 13, and the dispersed fine particles in the nano tank 11 are smoothed by the stirring blade 15. It is stirred. In addition, a well-known nanobubble group 17 is provided in the vicinity of the nanotank 11, and the dispersed particulates in the nanotank 11 once enter the nanobubble group 17. Then, it returns to the nano tank 11 again (outside circulation). Dispersion granulated material is recrystallized by the nanobubble group 17 again. In addition, air (containing oxygen) is supplied to the nanobubble group 17, and the air is added to the dispersed particulates. The added air is contained in the dispersed particulates as fine bubbles. In addition, it is thought that air dissolves in the liquid of dispersion fine particles.

Dispersed particulate matter (hereinafter referred to as liquid fuel α), which has been treated by the nanotank 11 and the nanobubble group 17 for a predetermined time, is supplied to the boiler or the like from the nanotank 11 to be a fuel such as a boiler. The boiler can be used as it is designed for heavy oil, so no modification is required.

2. Test to confirm the effect of liquid fuel α

(1) Test on the amount of carbon dioxide gas

    Liquid fuel α was burned in a boiler, and the ratio (v / v%) of carbon dioxide gas in the exhaust gas generated at that time was measured. In addition, the heavy fuel oil A was burned under the same conditions, and the ratio (v / v%) of carbon dioxide gas in the exhaust gas generated at that time was measured. The measuring method of carbon dioxide gas was implemented by JISK0115 (non-dispersion type infrared absorption system). In addition, the measurement of each item shown in Table 1 was performed. In addition, the test was entrusted to and carried out by the General Research Institute. The test results are shown in Table 1.

Metrics How to measure Liquid fuel α A heavy oil CO2 concentration (v / v%)  JIS K 0151 10 11 Carbon monoxide concentration (volppm)  JIS K 0098.7 6 7 NOx concentration (volppm)  JIS K 0104.6 68 91 Sulfur oxide concentration (volppm)  JIS K 0103.6.2 One 3 Hydrogen chloride concentration (mg / ㎥ N)  JIS K 0107.7.1 2 8 Oxygen concentration (v / v%)  JIS K 0301.6 6.9 5.7 Moisture content (v / v%)  JIS Z 8808.6.1.3 5.1 2.9 Exhaust gas temperature (℃)  JIS Z 8808.5.3 266 275

As clearly shown in Table 1, the exhaust gas generated when the liquid fuel α is combusted has a much lower ratio of carbon dioxide gas than the exhaust gas generated when the A heavy oil is combusted. Specifically, the amount of carbon dioxide gas decreased by 9.0% in the exhaust gas generated when the liquid fuel α was burned, as indicated by the following formula, compared with the exhaust gas generated when the heavy oil A was burned.

(Formula): ((11-10) / 11) x 100 = 9.0 (%)

  Therefore, by using liquid fuel α, it is possible to reduce the amount of carbon dioxide gas released and to improve environmental problems such as global warming.

Further, as clearly shown in Table 1, the exhaust gas generated when the liquid fuel α is combusted has a significantly lower nitrogen oxide concentration and sulfur oxide concentration than the exhaust gas generated when the heavy oil A is combusted. Therefore, the use of liquid fuel α can reduce the amount of nitrogen oxides and sulfur oxides emitted, and can improve environmental problems such as acid rain.

(2) Test on the amount of heat generated by combustion

Liquid fuel α was supplied to the boiler for combustion, and water was heated and evaporated by the amount of heat generated at that time. Further, A heavy oil was burned under the same conditions, and water was heated and evaporated by the amount of heat generated at that time. For each of the liquid fuel α and A heavy oil, the combustion time, fuel consumption, water evaporation amount, and water evaporation amount per liter of fuel were measured. The water vapor pressure in the test was constant. In addition, the test was entrusted to and carried out by the General Research Institute. The test results are shown in Table 2. In Table 2, the column of "evaporation ratio of water" is a ratio when the numerical value when A heavy oil is used for the amount of water evaporation per liter of fuel is 100. In Table 2, the item of the amount of water evaporated per liter of fuel (set under constant vapor pressure) is the value per pure oil of A heavy oil.

Metrics Liquid fuel α A heavy oil Burning time (min) 60 60 Fuel consumption (L / hour) 12.46 18.6 Evaporation amount of water (L / 時) 204 233 Evaporation amount of water per 1 liter of fuel (L / L) 16.37 12.53 Evaporation ratio of water (per pure oil in A) 130 100

As clearly shown in Table 2, the amount of water evaporated (ie, the amount of heat generated) when burning 1 L of liquid fuel α was much higher than the amount of water evaporated when the same amount of heavy oil A was burned. Since liquid fuel α can generate a high amount of heat even by using a small amount, it is possible to reduce the consumption of fuel. As a result, fuel can also be used to lower the price of power and steam produced.

In addition, when the carbon dioxide concentration per unit calorie is calculated from the carbon dioxide concentration shown in Table 1 and the heat generation amount shown in Table 2, the value of liquid fuel α is about 30% lower than that of A heavy oil.

≪ Example 2 >

Basically, the liquid fuel was manufactured as the aspect similar to Example 1 previously recorded. However, in Example 2, the mixing ratio of water and A heavy oil is shown in Table 3.

designation
Mixing ratio of water and A heavy oil Water (wt%) A heavy oil (wt%) Example 2-1 10 90 Example 2-2 30 70 Example 2-3 40 60 Example 2-4 50 50 Example 2-5 75 25

The liquid fuel shown in Table 3 also exhibited substantially the same properties as the liquid fuel α in Example 1 previously recorded.

Incidentally, the present invention is not limited to the above-described embodiment, and it goes without saying that the present invention can be implemented in various forms without departing from the present invention.

For example, instead of A heavy oil, C heavy oil, gasoline, kerosene, light oil and the like can be used.

The liquid fuel and the method for producing the same according to the present invention can be said to have industrial applicability since it is possible to repeatedly manufacture and perform the same product and the same method in a general liquid fuel manufacturing industry.

1.Water purifier, 3. Quantitative pump, 5. High speed dispersion mixer,
7. Heavy oil tank, 9. Dosing pump, 11. Nano Tank,
13. Motor, 15. Agitating Wings 17. Nano Bubbler

Claims (6)

delete delete delete delete delete In the method for producing a liquid fuel in which petrochemical fuel, water, and oxygen are mixed and suspended,
The liquid fuel manufacturing method includes a step of suspending a mixture of the petrochemical fuel and the water, and a step of adding oxygen,
The step of suspension is a step of dispersing the mixture of the petrochemical fuel and the water using a high speed rotor,
And a step of dispersing again using a nanobubble group after the step of suspending.

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