KR100591887B1 - Boiler using emulsion fuel - Google Patents

Abstract

The present invention comprises three tanks (11, 13, 15) each containing fuel oil, water, and an emulsifier; In the casing 21, three cylinders 23, 29, 35 for receiving fuel oil, water, and an emulsifier respectively introduced from the tanks 11, 13, and 15, and the cylinders 23, 29, respectively. By the respective piston drive means 25, 31, 37 for discharging the fuel oil, water, and emulsifier contained in each of the predetermined ratios 35 and the respective piston drive means 25, 31, 37, respectively. A primary stirrer 41 for mixing the discharged fuel oil, water, and an emulsifier, and a secondary stirrer 49 for remixing the emulsion fuel primarily mixed in the primary stirrer 41; It is provided with a tertiary stirrer 55 for mixing the emulsion fuel mixed again in the primary stirrer 49 just before combustion, and a control box 60 is installed at one side of the casing 21 to control the overall operation thereof. Emulsion fuel production / supply device 20; A boiler body (70) including a burner portion (71) for discharging the emulsion fuel supplied from the emulsion fuel production / supply apparatus (20) to a nozzle (73); And a hydrogen / oxygen gas supply device 80 for supplying oxygen and hydrogen gas generated by electrolyzing water to the nozzle 73, wherein the piston driving means 25, 31, 37 are respectively a rotating shaft 103 And a rotating plate 105 coupled to the rotating shaft 103 to control the discharge amount of fuel oil, water, or emulsifier through adjustment of one of its radius and rotation angle. One end of the connection rod 107 is connected to one side of the 105, and one end is connected to the other end of the connection rod 107 includes a piston 109 linearly reciprocating according to the rotation of the rotary plate 105, It relates to a boiler (1) using emulsion fuel.

Boiler, Emulsion Fuel, Cylinder, Agitator, Hydrogen / Oxygen Gas Supply

Description

Boiler using emulsion fuel {BOILER USING EMULSION FUEL}

1 is a schematic structural diagram of a boiler using an emulsion fuel according to the present invention;

2 shows a preferred embodiment of a cylinder and piston drive means in a boiler using an emulsion fuel according to the invention.

3 is a view of a first embodiment of a nozzle in a boiler using an emulsion fuel according to the invention;

4 is a view of a second embodiment of a nozzle in a boiler using an emulsion fuel according to the invention.

Explanation of symbols on the main parts of the drawings

1: boiler using emulsion fuel

11: fuel oil tank

13: water tank

15: emulsifier tank

20: emulsion fuel production / supply device

21: casing

23: first cylinder

25: first piston drive means

29: second cylinder

31: second piston drive means

35: third cylinder

37: third piston drive means

41: primary stirrer

49: secondary stirrer

55: third stirrer

60: control box

70: boiler body

71: burner

73: nozzle

80: hydrogen / oxygen gas supply device

The present invention relates to a boiler using an emulsion fuel, and more particularly, fuel oil, water, and an emulsifier are always mixed in a constant ratio, and the mixed emulsion fuel is maintained in an emulsion state immediately before combustion, and a high temperature state is formed. As the fuel is completely burned and the water mixed in the emulsion fuel is pyrolyzed to fully serve as a fueling agent, the basic effects of fuel saving and soot reduction, as well as preventing oil-water separation and incomplete combustion of the emulsion fuel and maximizing energy efficiency It relates to a boiler using an emulsion fuel, which can make and minimize environmental pollution.

Today, the use of emulsion fuels is strongly encouraged to develop alternative energy, improve the efficiency of existing energy and minimize environmental pollution. The emulsion fuel refers to a fuel in which fuel oils such as light oil and heavy oil are mixed with water through an emulsifier and kept in an emulsion state at a predetermined mixing ratio. The theoretical background of increasing combustion efficiency is as follows: Around water particles When the oil is combusted while the oil particles are enclosed, the water particles vaporize due to heat conduction, and the vaporized water vapor diffuses the oil layer by the vaporization, causing atomization. To help. In addition, the mixed water is thermally decomposed into oxygen, hydrogen, hydroxyl groups at a high temperature to act as a supporting agent.

However, the emulsion fuel should have a mixing ratio of fuel oil, water, and emulsifier within a certain range, and can remain in the emulsion state for a relatively short time, but the oil-water separation phenomenon occurs as the transportation time to actual combustion increases. These oil-separated emulsion fuels cannot be burned out completely and are no longer useful as fuels.

In order to solve the above-mentioned problems, many studies have been conducted. For example, Patent Application No. 10-2001-0020335 discloses a venturi additive mixing fuel oil obtained by mixing an additive, which is an emulsifier, and BC oil with an S-type mixer as a first step. Mixing with water with a type mixing ejector to emulsify into W / 0 type particles, and in the second step, preheating the emulsion fuel oil, which has further refined the W / O type emulsion particles, with a high-pressure type D mixer and introducing them into the emulsion tank. At the same time, it is designed to maintain a constant temperature and continuously mix the introduced emulsion oil through the emulsion tank circulation system to guide the emulsion fuel oil to the rising part by kinematic viscosity first, while supplying the stabilized particles sequentially to the boiler while maintaining the best emulsion state. Water flow emulsion devices are described.

Since the conventional oil-and-water emulsion apparatus as described above is a structure in which fuel oil, water, and an emulsifier are supplied by a metering pump, the fuel oil, water, and emulsifier cannot maintain a predetermined mixing ratio due to an error caused by the pump driving for a predetermined time. There is a problem, even if the emulsion fuel oil is preheated and maintained at a constant temperature and supplied to the boiler from particles stabilized by circulation, there is a problem that can not fundamentally solve the oil-water separation phenomenon.

In addition, while the fuel oil is completely burned, water mixed in the emulsion fuel pyrolyzes into oxygen, hydrogen, and hydroxyl, and needs a high temperature of about 3000 ° C. to act as a coagulant. A boiler using a conventional emulsion fuel In such a high temperature state is not formed, there is a problem that the fuel oil is not completely burned, and at the same time, water mixed in the emulsion fuel lowers the combustion efficiency.

Therefore, in the present invention, fuel oil, water, and emulsifier are always mixed in a constant ratio, and the mixed emulsion fuel is maintained in an emulsion state during combustion, and a high temperature state is formed so that the fuel is completely burned and mixed into the emulsion fuel. Emulsified water can be pyrolyzed to play a role as a flame retardant, preventing the oil-water separation and incomplete combustion of emulsion fuels, as well as the basic effects of fuel saving and soot reduction, maximizing energy efficiency and minimizing environmental pollution. It is based on the task of providing a boiler using fuel.

The problem is that fuel oil, water, and emulsifiers are always mixed at a constant ratio by using a cylinder instead of a metering pump having a large variation in use, and the emulsion state is maintained during combustion by stirring the mixed emulsion fuel immediately before combustion. According to the present invention, the fuel oil is completely burned by supplying hydrogen / oxygen gas to the nozzle of the boiler to generate a combustion temperature of about 3000 ° C. or more, and the mixed water is thermally decomposed to play a role of a supporting agent. It is achieved by a boiler using emulsion fuel.

Hereinafter, a boiler using the emulsion fuel according to the present invention will be described in detail with reference to the accompanying drawings.

1 shows a schematic structural diagram of a boiler 1 using an emulsion fuel according to the invention.

The boiler 1 using the emulsion fuel according to the present invention as shown in FIG. 1 comprises three tanks 11, 13 and 15, each containing fuel oil, water and an emulsifier; In the casing 21, three cylinders 23, 29, 35 for receiving fuel oil, water, and an emulsifier respectively introduced from the tanks 11, 13, and 15, and the cylinders 23, 29, respectively. To each of the piston driving means 25, 31, 37 and the respective piston driving means 25, 31, 37 for discharging the fuel oil, water, and emulsifier contained in each of the predetermined ratios; By mixing the fuel oil, water, and emulsifiers discharged at a predetermined ratio into an emulsion fuel, and a secondary stirrer which again mixes the emulsion fuel primarily mixed in the primary stirrer 41. And a tertiary stirrer 55 for mixing the emulsion fuel mixed again in the secondary stirrer 49 just before combustion, and one side of the casing 21 has the overall operation thereof. An emulsion fuel production / supply device 20 in which a control box 60 for controlling is installed; A boiler body (70) including a burner portion (71) for discharging the emulsion fuel supplied from the emulsion fuel production / supply apparatus (20) to a nozzle (73); And a hydrogen / oxygen gas supply device 80 for supplying oxygen and hydrogen gas generated by electrolyzing water to the nozzle 73.

The fuel oil tank 11 stores fuel oil such as, for example, light oil or heavy oil, and the fuel oil contained in the fuel oil tank 11 may be manufactured / emulsified through the fuel oil supply pipe 12 as necessary. It is supplied into the first cylinder 23 in the supply device 20. The amount of fuel oil supplied is controlled by the control box 60 which will be described later.

The water tank 13 stores water, and water contained in the water tank 12 is introduced into the second cylinder 29 in the emulsion fuel production / supply device 20 through the water supply pipe 14 as necessary. Supplied. The amount of feed is controlled by the control box 60 which will be described later.

The emulsifier tank 15 stores an emulsifier necessary for mixing fuel oil and water, and an emulsifier contained in the emulsifier tank 15 is, if necessary, an emulsion fuel production / supply device 20 through an emulsifier supply pipe 16. Is supplied into the third cylinder 35. The supply amount of the emulsifier is controlled by the control box 60 which will be described later.

In the boiler 1 using the emulsion fuel according to the present invention, in order to ensure that the fuel oil, water, and emulsifier are accurately discharged and mixed at a predetermined ratio, an error in discharge amount is used instead of a metering pump having a very large error depending on use. A cylinder and piston structure with little is used. In addition, the cylinders 23, 29, 35 are each prepared in emulsion fuel by fastening means such as, for example, bolts and nuts, in order to allow the fuel oil, water and emulsifier contained therein to be discharged at a predetermined ratio. It is preferable to be completely fixed to one side of the casing 21 of the supply device 20.

The fuel oil, water and emulsifiers contained in the cylinders 23, 29 and 35, respectively, are discharged at a predetermined ratio by the respective piston drive means 25, 31 and 37. The piston drive means 25, 31, One preferred embodiment of 37) is shown in FIG.

As shown in FIG. 2, each of the piston drive means 25; 31; 37 is coupled to the motor 101 for rotating the rotary shaft 103 and the rotary shaft 103 and has a radius and an angle of rotation. Rotating plate 105 for controlling the discharge amount of fuel oil, water or emulsifier through one adjustment, a connecting rod 107, one end of which is connected to one side of the rotating plate 105, and the other end of the connecting rod 107 It is preferable that the one side is connected to include a piston 109 linearly reciprocating according to the rotation of the rotary plate 105.

When the rotating shaft 103 is rotated by the motor 101, the rotating plate 105 coupled to the rotating shaft 103 is also rotated, and when the rotating plate 105 is rotated, a connecting rod connected to one side thereof ( One end of 107 is also rotated. When one end of the connecting rod 107 is rotated, the piston 109 connected to the other end of the connecting rod 107 performs linear reciprocating motion along the inner wall of the respective cylinders 23; 29 and 35, respectively. The fuel oil, water, and emulsifiers contained in the cylinders 23; 29 and 35, respectively, are discharged at a predetermined ratio. The discharge amount of each of the fuel oil, water, and emulsifier may be adjusted according to the radius of the rotary plate 105 or the rotation angle of the rotary plate 105 in the respective piston drive means 25; 31; The operation of the respective piston drive means 25; 31; 37 and the respective discharge amounts of fuel oil, water and emulsifier are controlled by the control box 60 which will be described later.

Each of the piston drive means 25; 31; 37 may consist of conventional pneumatic or hydraulic pistons, depending on the embodiment. The piston drive means (25; 31; 37), which are constituted by a conventional pneumatic or hydraulic piston, are respectively provided in the respective cylinders (23; 29; 35) by the linear reciprocating motion of the pistons by the action of pneumatic or hydraulic pressure. The contained fuel oil, water, and emulsifier are discharged at a predetermined ratio.

Fuel oil discharged from the first cylinder 23 follows the first conduit 27, water discharged from the second cylinder 29 follows the second conduit 31, and the third cylinder 35. The emulsifier discharged from the () is accommodated in the primary stirrer 41 along the third conduit (39), which is a commonly used stirrer stirrer tank containing fuel oil, water, and emulsifier together And a stirrer motor installed at one side of the stirrer tank, a stirrer shaft rotated in the stirrer tank according to the rotation of the stirrer motor, and a stirrer blade coupled to the stirrer shaft to perform a stirring action. It is desirable to be.

One side of the primary stirrer 41 is provided with a flow meter 43, which continuously detects the amount of emulsion fuel mixed in the primary stirrer 41 as the water level so that each cylinder 23; 29; ) Serves to automatically supply fuel oil, water, and emulsifier at a predetermined ratio.

The emulsion fuel mixed in the primary stirrer 41 is supplied into the secondary stirrer 49 through the first emulsion fuel supply pipe 47, and the primary stirrer 41 is provided on the first emulsion fuel supply pipe 47. A solenoid valve 47 is installed which automatically controls the amount of the primary mixed emulsion fuel supplied from the secondary stirrer 49 to the secondary stirrer 49.

The secondary stirrer 49 has a stirrer tank containing fuel oil, water, and an emulsifier together, a stirrer motor provided at one side of the stirrer tank, and the stirrer motor, similar to the structure of the primary stirrer 41 described above. It is preferably formed of a structure including a stirrer shaft rotated in the stirrer tank according to the rotation of the stirrer, and a stirrer blade coupled to the stirrer shaft to perform a stirring action.

A flow meter 51 is installed at one side of the secondary stirrer 49, which continuously detects the amount of the emulsion fuel mixed in the secondary stirrer 41 as the water level and emulsions from the primary stirrer 41. It serves to automatically supply fuel.

The emulsion fuel mixed in the secondary stirrer 49 is supplied through the second emulsion fuel supply pipe 53 to the burner part 71 of the boiler body 70 which will be described later, and the second emulsion fuel supply pipe 53 Tertiary stirrer 55 which stirs the secondary mixed emulsion fuel supplied from the secondary stirrer 49 to the burner portion 71 of the boiler body 70 just before combustion in the nozzle 73. Is installed.

Similarly to the structures of the primary stirrer 41 and the secondary stirrer 49, the tertiary stirrer 55 is also provided with a stirrer tank containing fuel oil, water, and an emulsifier, and one side of the stirrer tank. It is preferably formed of a structure including a stirrer motor, a stirrer shaft rotated in the stirrer tank as the stirrer motor rotates, and an stirrer blade coupled to the stirrer shaft to perform a stirring action.

The tertiary stirrer 55 immediately before burning the emulsion fuel partially separated from the oil in the second emulsion fuel supply pipe 53 until it is supplied from the emulsion fuel manufacturing / supply device 20 to the boiler body 70. By mixing once more, the emulsion fuel is supplied to the boiler body 70 while being kept in an emulsion state and burned, thereby preventing incomplete combustion due to oil and water separation, thereby increasing combustion efficiency to the maximum.

A control box 60 is installed at one side of the casing 21 of the emulsion fuel production / supply device 20, which supplies the amount of fuel oil, water, and emulsifier from each of the tanks 11, 13, and 15. Simultaneously with controlling, it controls the whole operation | movement, such as setting and adjusting the discharge amount of fuel oil, water, and an emulsifier from each cylinder 23; 29; 35 in predetermined ratio.

As described above, the emulsion fuel produced by the emulsion fuel production / supply device 20 is supplied to the boiler body 70 through the second emulsion fuel supply pipe 53 and the tertiary stirrer 55. 70 has a structure of a conventional oil boiler including a burner portion 71 in which emulsion fuel is combusted, and a nozzle 73 in which emulsion fuel is injected.

In the boiler (1) using the emulsion fuel according to the present invention by forming a high temperature state in the range of about 3000 ℃ to completely burn the fuel oil and at the same time to completely pyrolyze the water contained in the emulsion fuel to play a role of a supporting agent. Hydrogen gas and oxygen gas are supplied to the nozzle 73.

To this end, the nozzle 73 is connected with the hydrogen / oxygen gas supply device 80 through the hydrogen / oxygen gas supply pipe 81, and the hydrogen / oxygen gas supply device 80 decomposes the hydrogen gas and It is composed of a conventional hydrogen / oxygen gas generator that generates oxygen gas.

The hydrogen / oxygen gas supply device 80 may be supplied in a state in which hydrogen gas and oxygen gas generated according to an embodiment are mixed together. In this case, the hydrogen / oxygen gas supply pipe 81 may be provided in a single state. It is formed into a conduit.

FIG. 3 shows an embodiment of the nozzle 73 when the hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in a mixed state.

When the hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in a mixed state with each other, as shown in FIG. 3, the nozzle 73 has a central portion. It is preferable that the emulsion fuel discharge port 75 is formed, and the hydrogen / oxygen gas discharge port 77 communicating with the hydrogen / oxygen gas supply pipe 81 is formed around the emulsion fuel discharge port 75.

In addition, the hydrogen / oxygen gas supply device 80 may be supplied in a state in which hydrogen gas and oxygen gas generated according to the embodiment are separated from each other, and in this case, the hydrogen / oxygen gas supply pipe 81 is hydrogen It should be formed of two conduits of gas supply line 83 and oxygen gas supply line 85.

FIG. 4 shows an embodiment of the nozzle 73 in the case where the hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in separate states.

When the hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in a separated state, as shown in FIG. 4, the nozzle 73 has a central portion. An emulsion fuel discharge port 75 is formed, a hydrogen gas discharge port 78 is formed around the emulsion fuel discharge port 75, and an oxygen gas discharge port 79 is formed around the hydrogen gas discharge port 78. It is preferable to have.

When the combustion reaction occurs in both embodiments of the nozzle 73 as described above, since a high temperature state of 3000 ° C. or more occurs due to the combustion of hydrogen and oxygen, the fuel oil is completely burned and at the same time, water contained in the emulsion fuel is pyrolyzed. As it acts as a retardant.

Therefore, in the boiler using the emulsion fuel according to the present invention as described above, fuel oil, water, and emulsifiers are always mixed in a constant ratio, and the mixed emulsion fuel is maintained in an emulsion state immediately before combustion, and a high temperature state is formed. As the fuel is completely burned and at the same time, the water mixed in the emulsion fuel is thermally decomposed to play a role of a flame retardant, thereby preventing oil separation and incomplete combustion of emulsion fuel, and preventing energy efficiency. It has an excellent effect of maximizing and minimizing environmental pollution.

Claims (5)

In a boiler using an ordinary emulsion fuel, in which an emulsion fuel obtained by mixing fuel oil, water, and an emulsifier in a predetermined ratio is supplied to a burner section for combustion. Three tanks 11, 13, and 15 each containing fuel oil, water, and an emulsifier; In the casing 21, three cylinders 23, 29, 35 for receiving fuel oil, water, and an emulsifier respectively introduced from the tanks 11, 13, and 15, and the cylinders 23, 29, respectively. By the respective piston drive means 25, 31, 37 for discharging the fuel oil, water, and emulsifier contained in each of the predetermined ratios 35 and the respective piston drive means 25, 31, 37, respectively. A secondary stirrer for mixing the fuel oil, water, and emulsifiers discharged at a predetermined ratio to make an emulsion fuel, and a secondary stirrer for mixing the emulsion fuel first mixed in the primary stirrer 41 ( 49) and a tertiary stirrer 55 for mixing the emulsion fuel mixed again in the secondary stirrer 49 just before combustion, and controlling one part of the casing 21 to control the overall operation thereof. An emulsion fuel production / supply device 20 in which a control box 60 is installed; A boiler body (70) including a burner portion (71) for discharging the emulsion fuel supplied from the emulsion fuel production / supply apparatus (20) to a nozzle (73); And A hydrogen / oxygen gas supply device 80 for supplying oxygen and hydrogen gas generated by electrolyzing water to the nozzle 73, The piston driving means (25, 31, 37) are respectively coupled to the motor 101 for driving the rotary shaft 103 and the rotary shaft 103, by adjusting one of the radius and the rotation angle of fuel oil, water Alternatively, the rotating plate 105 for controlling the discharge amount of the emulsifier, a connecting rod 107 having one end connected to one side of the rotating plate 105, and one side connected to the other end of the connecting rod 107 and the rotating plate 105. A piston using an emulsion fuel, characterized in that it comprises a piston (109) for linear reciprocating motion according to the rotation of. The method of claim 1, Boiler using emulsion fuel, characterized in that the piston drive means (25, 31, 37) consists of a conventional pneumatic piston. The method according to claim 1 or 2, The hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in a mixed state, and the nozzle 73 has an emulsion fuel outlet 75 formed at the center thereof. A boiler using emulsion fuel, characterized in that a hydrogen / oxygen gas discharge port 77 is formed around the emulsion fuel discharge port 75. The method according to claim 1 or 2, The hydrogen / oxygen gas supply device 80 supplies the generated hydrogen gas and oxygen gas to the nozzle 73 in a separated state, and the nozzle 73 has an emulsion fuel outlet 75 formed at the center thereof. A hydrogen gas outlet (78) is formed around the emulsion fuel outlet (75), and an oxygen gas outlet (79) is formed around the hydrogen gas outlet (78). . delete

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