TWI685378B - Emulsified heavy oil equipment - Google Patents

Abstract

An emulsified heavy oil equipment includes an oil-water mixing device, a granulating device, and a combustion device. The oil-water mixing device includes a tank and an agitator. The tank contains water, heavy oil and emulsifier, and the agitator stirs the water, the heavy oil and the emulsifier to form an oil-water mixture. The granulation device includes a nanotube, and the tube wall of the nanotube is provided with a plurality of cutting holes, and the oil-water mixture passes through the cutting hole to form a plurality of water-in-oil droplets. The combustion device includes a combustion chamber and a two-fluid nozzle, the two-fluid nozzle comprises an inlet pipe, an intake pipe and a spout hole, the spout hole communicates with the combustion chamber, the inlet pipe is connected between the nanotube and the spout hole, and the intake pipe communicates with the inlet pipe to introduce a gas, and the water-in-oil droplets are injected into the combustion chamber from the spout hole through the inlet pipe.

Description

Emulsified heavy oil equipment

The invention relates to a production equipment, in particular to an emulsified heavy oil equipment.

Heavy oil is the remaining combustible heavier fuel oil after crude oil is refined into light oil such as gasoline and diesel oil. The industry often uses the heat or heat generated by the combustion of heavy oil, such as used in large steam turbine boilers and medium and large ship engines. Fuel oil, or as the ignition fuel for large coal-fired boilers.

However, because the heavy oil itself has a high viscosity and contains many asphalt particles, the size of the oil droplets formed by heavy oil atomization through a general nozzle is still difficult to crack and evaporate from the liquid phase to the gas phase in a short time, which is likely to cause incomplete combustion. In addition, it is also easy to cause problems such as poor atomization, uneven gas mixture or high local concentration. Especially under anoxic conditions, it will cause thermal decomposition and generate a lot of carbon particles, and it is easy to produce black smoke during combustion, and burner nozzles are prone to clogging and carbon deposition and other problems, leading to shortcomings such as pollution of the environment and increased fuel consumption.

In view of the above, in one embodiment, an emulsified heavy oil device is provided, including an oil-water mixing device, a granulation device, and a combustion device. The oil-water mixing device includes an accommodating barrel tank and an agitator provided in the accommodating barrel tank. The accommodating barrel tank contains water liquid, heavy oil and emulsifier, and the agitator agitates the water liquid, heavy oil and emulsifier to form an oil-water mixture Liquid, accommodating barrel tank connected to the liquid line to output oil-water mixed liquid. The granulation device includes a nanotube, and the nanotube includes an inlet and an outlet, and the wall of the nanotube is provided with a plurality of cutting holes, and the inlet is connected to the liquid outlet line to introduce the oil-water mixture into the nanotube, and the oil and water The mixed liquid passes through the cutting holes to form a plurality of water-in-oil droplets and is output from the outlet. The combustion device includes a combustion chamber and a two-fluid nozzle. The two-fluid nozzle includes a liquid inlet pipe, an air inlet pipe, and a spray hole. The spray hole communicates with the combustion chamber, the liquid inlet pipe communicates between the outlet and the spray hole, and the air inlet pipe communicates with the inlet. The liquid pipe is used to introduce gas, and water-in-oil droplets are injected into the combustion chamber from the injection hole through the liquid inlet pipe.

In summary, the emulsified heavy oil equipment of the embodiment of the present invention cuts and refines the oil-water mixture through the nanotube to form fine water-in-oil droplets, so that the water-in-oil droplets do not easily occur during the delivery process In the case of clogging, incomplete combustion is reduced to enhance combustion efficiency and reduce fuel consumption, so as to effectively suppress the generation of black smoke and reduce exhaust emissions. In addition, the embodiment of the present invention further atomizes the water-in-oil droplets through the dual-fluid nozzle and sprays them into the combustion chamber under pressure, which is more conducive to complete combustion of the water-in-oil droplets and avoids clogging at the dual-fluid nozzle, effectively improving combustion s efficiency.

1 and 2 are a plan view and a partial plan view of an embodiment of an emulsified heavy oil equipment of the present invention. As shown in FIGS. 1 and 2, the emulsified heavy oil equipment 1 of the embodiment of the present invention includes an oil-water mixing device 10, a granulation device 20 and a combustion device 30.

As shown in FIG. 1, the oil-water mixing device 10 includes a barrel tank 11. The storage tank 11 contains water W, heavy oil O and emulsifier E. For example, in this embodiment, the storage tank 11 can communicate with a water storage tank 2, an oil storage tank 3 and an emulsifier tank 4 In order to introduce a predetermined amount of water W, heavy oil O, and emulsifier E from the water storage tank 2, the oil storage tank 3, and the emulsifier tank 4 into the accommodating barrel tank 11, respectively.

As shown in FIG. 1, in one embodiment, the water storage tank 2 is connected to a first pipeline 5, the oil storage tank 3 is connected to a second pipeline 6, and the emulsifier tank 4 is connected to a third pipeline 7, wherein the second pipe The path 6 extends to accommodate the tub 11, the first pipeline 5 and the third pipeline 7 communicate with the second pipeline 6, respectively, and a pump B is provided on the second pipeline 6, when the pump B is running, The aqueous liquid W and the emulsifier E can be conducted to the second pipeline 6 together with the heavy oil O to the storage tank 11. However, the above embodiments are only examples. In fact, the first pipeline 5, the second pipeline 6, and the third pipeline 7 can be configured differently according to actual needs. For example, the first pipeline 5, the second pipeline The pipeline 6 and the third pipeline 7 may also be connected to the accommodating barrel tank 11 respectively to guide the water W, heavy oil O and emulsifier E to the accommodating barrel tank 11 respectively.

In some embodiments, the flow rate of water W, heavy oil O and emulsifier E introduced into the holding tank 11 is different, for example, the amount of heavy oil O flowing into the holding tank 11 per minute is greater than the amount of water W, water The amount of water in liquid W is greater than the dose of emulsifier E. The above-mentioned flow rate control can be achieved through the size of the pipeline configuration or a flow control valve provided on the pipeline, which will not be repeated here.

As shown in FIG. 1, an agitator 12 is provided in the accommodating barrel 11, and the agitator 12 can be various agitating mechanisms, such as a paddle agitator, screw agitator, or turbine agitator, etc. When the agitator 12 During operation (for example, rotating at a predetermined speed), the water W, heavy oil O, and emulsifier E in the tank 11 can be stirred to form a mixed oil-water mixture M. In addition, the accommodating tub 11 is further connected to a liquid outlet line 13 to output the oil-water mixed liquid M.

As shown in FIG. 1, the granulation device 20 includes a nanotube 21, the nanotube 21 has an inlet 22 and an outlet 23, and the wall of the nanotube 21 is provided with a plurality of cutting holes 24 (shown in FIG. 4 ). 22 is connected to the liquid outlet line 13 to introduce the oil-water mixed liquid M into the nanotube 21, when the oil-water mixed liquid M passes through each cutting hole 24 in the nanotube 21, the cutting hole 24 can be cut and refined to make the mixed The heavy oil O of the emulsifier E can coat the refined water liquid W to form a plurality of smaller water-in-oil droplets D, and the plurality of water-in-oil droplets D can be output from the outlet 23 of the nanotube 21.

In some embodiments, the nanotube 21 may be a multi-layer pipeline. For example, as shown in FIG. 3, in this embodiment, the nanotube 21 is a three-layer pipeline, including an outer film tube 211, an inner film tube 213, and a middle metal tube 212, and the middle metal tube 212 is sandwiched by the outer film Between the tube 211 and the inner mesh tube 213, for example, the outer thin film tube 211 may be a high temperature shrinkable glass film vacuum-made tube, the middle metal tube 212 may be a stainless steel tube, and the inner mesh tube 213 may be a stainless steel mesh tube. Each cutting hole 24 is a hole formed in the wall of the middle metal tube 212. When the oil-water mixed liquid M is introduced into the nanotube 21, the cutting holes 24 of the inner network tube 213 and the middle metal tube 212 can be cut and refined to form multiple A water-in-oil droplet D. As shown in FIG. 4, in one embodiment, the middle metal tube 212 may be provided with a plurality of cross-shaped cutting holes 24, or as shown in FIG. 5, in one embodiment, the middle metal tube 212 may be provided with a plurality of Y-shaped cutting hole 24'. However, the shape of the cutting hole 24 in the above-mentioned embodiment is only an example, and in fact is not limited thereto.

In some embodiments, the combustion device 30 may be, but not limited to, a boiler or a furnace. As shown in FIGS. 1 and 2, the combustion device 30 includes a combustion chamber 31 and a two-fluid nozzle 32, and the two-fluid nozzle 32 includes a liquid inlet pipe 33. , The intake pipe 34 and the injection hole 35, the injection hole 35 communicates with the combustion chamber 31, the liquid inlet pipe 33 communicates between the outlet 23 of the nanotube 21 and the injection hole 35, and the diameter of the injection hole 35 is smaller than the liquid inlet pipe 33 Diameter. The intake pipe 34 communicates with the liquid inlet pipe 33 to introduce gas. For example, as shown in FIG. 2, in this embodiment, the intake pipe 34 is connected to a blower 341, but it may also be an air compressor. When the blower 341 is in operation, gas may be introduced into the liquid inlet pipe 33 through the intake pipe 34. By this, when the water-in-oil droplet D enters the liquid inlet pipe 33 from the outlet 23 of the nanotube 21, it can be injected into the combustion chamber 31 from the injection hole 35 by the pressure of the gas introduced by the air inlet pipe 34 for combustion .

In summary, the emulsified heavy oil device 1 of the embodiment of the present invention cuts and refines the oil-water mixed liquid M through the nanotube 21 to form fine water-in-oil droplets D, so that the water-in-oil droplets D are guided It is not easy to cause clogging, reduce incomplete combustion and enhance combustion efficiency and reduce fuel consumption, so as to effectively suppress the generation of black smoke and reduce exhaust emissions. In addition, in the embodiment of the present invention, the water-in-oil droplets D are atomized through the two-fluid nozzle 32 and sprayed into the combustion chamber 31 under pressure, which is more conducive to complete combustion of the water-in-oil droplets D and avoids clogging in the two-fluid nozzle 32 To effectively improve the efficiency of combustion.

As shown in FIG. 1, in one embodiment, a pressurizing pump P may be provided on the liquid discharge line 13 connected to the tub 11. When the pressure pump P is in operation, it may be output from the liquid discharge line 13 The oil-water mixed liquid M is further pressurized into the nanotube 21 and can be more effectively cut and refined by the cutting hole 24.

Referring to FIGS. 1 and 2, in one embodiment, a return line 25 may be provided between the inlet 22 of the nanotube 21 and the two-fluid nozzle 32, and the return line 25 communicates with the volume of the oil-water mixing device 10 Set the barrel groove 11. In this way, when the production amount of the nanotube 21 is excessive, the excess amount can be returned to the accommodating barrel tank 11 of the oil-water mixing device 10 through the return line 25, so that the emulsified heavy oil equipment 1 can continue to circulate.

As shown in FIG. 1 again, in an embodiment, a pH sensor 14 is further provided in the receiving tank 11 of the oil-water mixing device 10 to monitor the pH of the liquid in the receiving tank 11 in real time , By adjusting at any time to maintain a predetermined pH value (such as PH10 ~ 11), for example, when the pH value of the liquid in the tank 11 is too low, an appropriate amount of weak alkaline additives can be added to adjust back to the predetermined pH value Value, to prevent the pipeline or machine through which the oil-water mixture M passes through rust.

As shown in FIG. 6, in one embodiment, a plurality of beads 131 (such as stainless steel beads) may be provided in the liquid outlet line 13 connected to the tub 11, and the multiple beads 131 are located under pressure Between the pump P and the nanotube 21, when the pressurizing pump P is operated, the oil-water mixture M can be pressurized into the plurality of beads 131, and can be further refined before entering the nanotube 21 To reduce the blockage of the pipeline.

As shown in FIG. 7, in an embodiment, the agitator 12 is a paddle agitator and includes a rotating shaft 121 and two blade groups 122 connected to the rotating shaft 121. The two blade groups 122 are spaced up and down from each other, and each blade group 122 includes a plurality of first blades 123, a plurality of second blades 124, and a plurality of third blades 125. In this example, the number of first blades 123, second blades 124, and third blades 125 are three, but This is not limited. In addition, each first blade 123, each second blade 124, and each third blade 125 have different inclination angles. For example, in this embodiment, the plurality of first blades 123 of each blade group 122 respectively extend radially from the rotating shaft 121 and are arranged at an equal angle, and the surface direction of the first blade 123 is perpendicular to the axial direction of the rotating shaft 121. The plurality of second blades 124 of 122 respectively extend radially from the rotating shaft 121 and are arranged at an equal angle. In addition, each second blade 124 has a different inclination angle from each of the first blades 123, and the plurality of third blades 125 of each blade group 122 Similarly, they respectively extend radially from the rotating shaft 121 and are arranged at an equal angle. Each third blade 125 has an arc-shaped end surface and may have the same or different inclination angle as each second blade 124.

According to the above, when the rotating shaft 121 of the agitator 12 rotates, the first blade 123 of the rotating blade group 122 can beat the water W, heavy oil O and emulsifier E, and the second blade 124 can cut the liquid so that It forms small unit molecules, and the arc-shaped end surface of the third blade 125 can cause a vortex vortex, so that the water W, heavy oil O, and emulsifier E are contained in the barrel tank 11 by the first blade 123, the first The second blade 124 and the third blade 125 produce different stirring effects, which can increase the emulsification degree of heavy oil O.

Although the technical content of the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with this art and makes some changes and retouching without departing from the spirit of the present invention should be covered in the present invention. The scope of protection of the present invention shall be subject to the scope of the attached patent application.

1‧‧‧Emulsified heavy oil equipment

2‧‧‧storage tank

3‧‧‧Oil storage tank

4‧‧‧Emulsifier tank

5‧‧‧ First pipeline

6‧‧‧Second pipeline

7‧‧‧Third pipeline

10‧‧‧Oil-water mixing device

11‧‧‧accommodating barrel tank

12‧‧‧Agitator

121‧‧‧spindle

122‧‧‧Blade group

123‧‧‧The first blade

124‧‧‧Second blade

125‧‧‧third blade

13‧‧‧ Outlet pipe

131‧‧‧Pearl

14‧‧‧pH sensor

20‧‧‧Granulation device

21‧‧‧Nanotube

211‧‧‧Outer film tube

212‧‧‧Medium metal tube

213‧‧‧Inner network management

22‧‧‧ entrance

23‧‧‧Export

24, 24’‧‧‧cutting hole

25‧‧‧ Return line

30‧‧‧Combustion device

31‧‧‧combustion chamber

32‧‧‧Two-fluid nozzle

33‧‧‧Inlet tube

34‧‧‧Intake pipe

341‧‧‧Blower

35‧‧‧Ejection hole

W‧‧‧Water

O‧‧‧Heavy oil

E‧‧‧Emulsifier

M‧‧‧oil-water mixture

D‧‧‧Water-in-oil droplets

B‧‧‧Pump

P‧‧‧Pressure pump

[Figure 1] This is a plan view of an embodiment of the emulsified heavy oil equipment of the present invention. [Figure 2] This is a partial plan view of an embodiment of an emulsified heavy oil equipment of the present invention. [Fig. 3] This is a cross-sectional view of an embodiment of the granulation device of the present invention. [Fig. 4] It is a partial plan view of an embodiment of the granulation device of the present invention. [FIG. 5] This is a partial plan view of another embodiment of the granulation device of the present invention. [Fig. 6] This is a partial plan view of another embodiment of the emulsified heavy oil equipment of the present invention. [Figure 7] This is a plan view of an embodiment of the agitator of the present invention.

1‧‧‧Emulsified heavy oil equipment

2‧‧‧storage tank

3‧‧‧Oil storage tank

4‧‧‧Emulsifier tank

5‧‧‧ First pipeline

6‧‧‧Second pipeline

7‧‧‧Third pipeline

10‧‧‧Oil-water mixing device

11‧‧‧accommodating barrel tank

12‧‧‧Agitator

13‧‧‧ Outlet pipe

14‧‧‧pH sensor

20‧‧‧Granulation device

21‧‧‧Nanotube

22‧‧‧ entrance

23‧‧‧Export

25‧‧‧ Return line

30‧‧‧Combustion device

W‧‧‧Water

O‧‧‧Heavy oil

E‧‧‧Emulsifier

M‧‧‧oil-water mixture

D‧‧‧Water-in-oil droplets

B‧‧‧Pump

P‧‧‧Pressure pump

Claims (9)

An emulsified heavy oil equipment, including: an oil-water mixing device, including an accommodating barrel tank and an agitator provided in the accommodating barrel tank, the accommodating barrel tank contains an aqueous liquid, a heavy oil and an emulsifier , The agitator agitates the water liquid, the heavy oil and the emulsifier to form an oil-water mixed liquid, the accommodating barrel tank is connected to a liquid outlet line to output the oil-water mixed liquid; a granulation device includes a nano tube , The nanotube includes an inlet and an outlet, and the wall of the nanotube is provided with a plurality of cutting holes, the inlet is connected to the liquid outlet line to introduce the oil-water mixture into the nanotube, and The oil-water mixture passes through the cutting holes to form a plurality of water-in-oil droplets and is output from the outlet; and a combustion device includes a combustion chamber and a dual-fluid nozzle. The dual-fluid nozzle includes a liquid inlet pipe, a An intake pipe and a spray hole, the spray hole communicates with the combustion chamber, the liquid inlet pipe communicates between the outlet and the spray hole, the air inlet pipe communicates with the liquid inlet pipe to introduce gas, and the oil packs Water droplets are injected into the combustion chamber from the injection hole through the liquid inlet tube; wherein a return line is further provided between the inlet of the nano tube and the two-fluid nozzle, and the return line is connected to the oil water The accommodating barrel tank of the mixing device. The emulsified heavy oil equipment according to claim 1, wherein a pH sensor is further provided in the accommodating barrel tank of the oil-water mixing device. The emulsified heavy oil equipment according to claim 1, wherein the agitator includes a rotating shaft and a blade set connected to the rotating shaft. The emulsified heavy oil equipment according to claim 3, wherein the blade group includes a plurality of first blades and a plurality of second blades, and the inclination angles of the first blades are different from those of the second blades. The emulsified heavy oil equipment according to claim 1, wherein each of the cutting holes is a cross hole or a Y-shaped hole. The emulsified heavy oil equipment according to claim 1, wherein the nanotube includes an outer film tube, an inner film tube, and a middle metal tube, and the middle metal tube is sandwiched between the outer film tube and the inner film tube The cutting holes are opened in the middle metal tube. The emulsified heavy oil equipment according to claim 1, wherein the intake pipe is connected to a blower or an air compressor. The emulsified heavy oil equipment according to claim 1, wherein a pressure pump is further provided on the liquid discharge line. The emulsified heavy oil equipment as described in claim 1, wherein a plurality of beads are provided in the liquid discharge line.

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