Electromagnetic heating vaporization device for liquid fuel stove

Abstract

The present invention relates to an electromagnetic heating vaporization device for a liquid fuel stove, comprising a central vaporization chamber and a peripheral vaporization chamber, wherein the peripheral vaporization chamber is annular and surrounds the outer side of the central vaporization chamber, an electromagnetic heating element is arranged on the outer side of the peripheral vaporization chamber, and the central vaporization chamber is connected to the peripheral vaporization chamber through one or more vaporization holes; liquid fuel enters the central vaporization chamber and the peripheral vaporization chamber in sequence, and is heated and vaporized into gas fuel in the central vaporization chamber and the peripheral vaporization chamber, and the gas fuel is finally supplied for combustion. This structure enables the liquid fuel to be vaporized at least twice by arranging the central vaporization chamber and the peripheral vaporization chamber, thereby greatly improving the vaporization efficiency, reducing the energy consumption of the stove, and increasing the power; in addition, the volume of the central vaporization chamber and the peripheral vaporization chamber is larger than that of the traditional serpentine track, so the flow rate and heat exchange area of ​​the liquid fuel are increased, which helps to improve the vaporization efficiency and ensure the supply of the liquid fuel.

Description

Technical Field

[0001] The invention relates to a heating stove, in particular to an electromagnetic heating vaporization device of a liquid fuel stove. Background Art

[0002] Patent document CN207674480U discloses a preheating vaporization fuel device for a liquid gas stove, specifically a box body and a cover plate that cover each other to form a preheating box, the preheating box is provided with an inlet end and an outlet end, and a heating channel connecting the inlet end and the outlet end is provided inside, and a thick film heating element is provided on the surface of the box body and / or the cover plate; the box body is provided with a plurality of partitions, and the partitions divide the box body into a continuous circuitous heating channel. In the preheating box of this structure, a serpentine channel is separated by a plurality of partitions, and the liquid fuel is transported and heated and vaporized in the channel. This vaporization structure has a small heat exchange area and a small flow rate, which leads to limited power and increased energy consumption of the stove. Moreover, since the liquid fuel used is an industrial-grade liquid fuel, it has a large amount of slag, and after long-term use, pipeline blockage and other phenomena may occur. Since the above structure is not easy to clean, the service life of the electromagnetic heating vaporization device is affected.

[0003] Therefore, further improvements are needed. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and to provide an electromagnetic heating vaporization device for a liquid fuel stove with simple design, reasonable structure, large heat exchange area, large flow rate, high vaporization efficiency, low energy consumption and improved heating power.

[0005] The object of the present invention is achieved in that:

[0006] An electromagnetic heating vaporization device for a liquid fuel stove is characterized in that it includes a central vaporization chamber and a peripheral vaporization chamber, the peripheral vaporization chamber is annular and surrounds the outside of the central vaporization chamber, an electromagnetic heating element is arranged on the outside of the peripheral vaporization chamber, and the central vaporization chamber is connected to the peripheral vaporization chamber through one or more vaporization holes; liquid fuel enters the central vaporization chamber and the peripheral vaporization chamber in sequence, and is heated and vaporized into gaseous fuel in the central vaporization chamber and the peripheral vaporization chamber, and the gaseous fuel is finally supplied for combustion.

[0007] Option 1: One end of the central vaporization chamber is open to introduce liquid fuel, and the other end is closed; one end of the peripheral vaporization chamber is open to lead out gas fuel, and the other end is closed; the closed end of the central vaporization chamber extends toward the open end of the peripheral vaporization chamber; the closed end of the peripheral vaporization chamber extends toward the open end of the centerline vaporization chamber.

[0008] It comprises an inner vaporization tube and an outer vaporization tube, wherein the inner vaporization tube is inserted into the outer vaporization tube in an interval manner; the central vaporization chamber is the inner cavity of the inner vaporization tube, one end of the inner vaporization tube is provided with a first liquid inlet interface connected to the opening end of the central vaporization chamber, and the other end is closed; the peripheral vaporization chamber is an annular gap between the inner vaporization tube and the outer vaporization tube, one end of the outer vaporization tube is closed, and the other end is provided with a first steam outlet interface connected to the opening end of the peripheral vaporization chamber; the electromagnetic heating element is arranged on the outer vaporization tube.

[0009] The vaporization hole is opened on the inner vaporization tube and is located above the central vaporization chamber; the vaporization hole is far away from the closed end of the central vaporization chamber and close to the closed end of the peripheral vaporization chamber.

[0010] A sleeve-shaped screen is arranged in the peripheral vaporization chamber, the screen surrounds the outer side of the central vaporization chamber, and the screen at least partially covers the vaporization hole.

[0011] Option 2 also includes a liquid inlet chamber, which is annular and surrounded by the outside of the central vaporization chamber, the electromagnetic heating element is surrounded by the liquid inlet chamber and / or the outside of the peripheral vaporization chamber, one end of the liquid inlet chamber is open to introduce liquid fuel, and the other end is closed, and the liquid inlet chamber is connected to the central vaporization chamber through the liquid inlet hole; one end of the peripheral vaporization chamber is open to lead out gas fuel, and the other end is closed; one end of the peripheral vaporization chamber is open to lead out gas fuel, and the other end is closed; both ends of the central vaporization chamber are closed, one closed end extends to the open end of the liquid inlet chamber, and the other closed end extends to the open end of the peripheral vaporization chamber.

[0012] The liquid inlet hole is located at the closed end of the liquid inlet chamber and the middle of the central vaporization chamber; the vaporization hole is located at the closed end of the peripheral vaporization chamber and the middle of the central vaporization chamber.

[0013] It includes a liquid inlet pipe, a first inner pipe, a second inner pipe and a steam outlet pipe; the first inner pipe is inserted in the liquid inlet pipe at intervals, and the liquid inlet chamber is the annular gap between the liquid inlet pipe and the first inner pipe; the second inner pipe is inserted in the steam outlet pipe at intervals, and the outer vaporization chamber is the annular gap between the second inner pipe and the steam outlet pipe; the first inner pipe and the second inner pipe are connected to each other, and their inner cavities are connected to each other to form the central vaporization chamber; the liquid inlet holes are evenly distributed in annular shapes on the first inner pipe; the vaporization holes are evenly distributed in annular shapes on the second inner pipe.

[0014] One end of the liquid inlet pipe is provided with a second liquid inlet interface connected to the open end of the liquid inlet chamber, and the other end is closed; one end of the steam outlet pipe is provided with a second steam outlet interface connected to the open end of the peripheral vaporization chamber, and the other end is closed.

[0015] A sleeve-shaped screen is arranged in the liquid inlet chamber and / or the peripheral vaporization chamber. The screen surrounds the outer side of the central vaporization chamber and at least partially covers the liquid inlet hole and / or the vaporization hole.

[0016] The beneficial effects of the present invention are as follows:

[0017] By setting a central vaporization chamber and a peripheral vaporization chamber, the liquid fuel can be vaporized at least twice, thereby greatly improving the vaporization efficiency, reducing the energy consumption of the stove and increasing the power; specifically, the liquid fuel first enters the central vaporization chamber and is heated in the central vaporization chamber to complete a vaporization, and the gas fuel and liquid fuel then enter the peripheral vaporization chamber, where the liquid fuel is heated in the peripheral vaporization chamber to complete a secondary vaporization, thereby achieving secondary vaporization. The secondary vaporization effect can effectively improve the vaporization efficiency of the liquid fuel and ensure the output of the gas fuel. Due to the improved vaporization efficiency, the energy consumption of the stove is reduced and the power is increased. In addition, the volumes of the central vaporization chamber and the peripheral vaporization chamber are larger than those of the traditional serpentine track, so the flow rate and heat exchange area of ​​the liquid fuel are increased, which helps to improve the vaporization efficiency and ensure the supply of the liquid fuel. In addition, the screen installed in the outer vaporization chamber can achieve the effect of water vapor separation and breaking up the gas fuel; water vapor separation can separate the liquid fuel from the gas fuel to ensure the purity of the gas fuel finally drawn out, and at the same time, part of the liquid fuel will hang on the screen and continue to vaporize to achieve the purpose of full vaporization; breaking up the gas fuel can make it evenly transported to ensure uniformity during combustion; the screen can also separate impurities in the liquid fuel to avoid clogging related pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the assembly of the electromagnetic heating vaporization device in the first embodiment of the present invention.

[0019] Figure 2 It is an exploded view of the electromagnetic heating vaporization device in the first embodiment of the present invention.

[0020] Figure 3 It is a cross-sectional view of the electromagnetic heating vaporization device in the first embodiment of the present invention.

[0021] Figure 4 FIG. 1 is a schematic diagram of the assembly of an electromagnetic heating vaporization device in a second embodiment of the present invention.

[0022] Figure 5 1 is an exploded view of an electromagnetic heating vaporization device in the second embodiment of the present invention.

[0023] Figure 6 It is a cross-sectional view of an electromagnetic heating vaporization device in a second embodiment of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 3The electromagnetic heating vaporization device of the liquid fuel stove includes a central vaporization chamber a and a peripheral vaporization chamber b. The peripheral vaporization chamber b is annular and surrounds the outside of the central vaporization chamber a. An electromagnetic heating element 4 is arranged on the outside of the peripheral vaporization chamber b. The central vaporization chamber a is connected with the peripheral vaporization chamber b through a vaporization hole c. The liquid fuel enters the central vaporization chamber a and the peripheral vaporization chamber b in turn, and is heated and vaporized into gaseous fuel in the central vaporization chamber a and the peripheral vaporization chamber b, and the gaseous fuel is finally supplied for combustion. The electromagnetic heating vaporization device is provided with a central vaporization chamber a and a peripheral vaporization chamber b, so that the liquid fuel can be vaporized twice, thereby greatly improving the vaporization efficiency, reducing the energy consumption of the stove and increasing the power; specifically, the liquid fuel first enters the central vaporization chamber a, and is heated in the central vaporization chamber a to complete the first vaporization, and the gas fuel and liquid fuel then enter the peripheral vaporization chamber b, and the liquid fuel is heated in the peripheral vaporization chamber b to complete the second vaporization, thereby realizing secondary vaporization. The secondary vaporization effect can effectively improve the vaporization efficiency of the liquid fuel and ensure the output of the gas fuel. Due to the improved vaporization efficiency, the energy consumption of the stove is reduced and the power is increased; in addition, the volumes of the central vaporization chamber a and the peripheral vaporization chamber b are larger than those of the traditional serpentine track, so the flow rate and heat exchange area of ​​the liquid fuel are increased, which is helpful to improve the vaporization efficiency and ensure the supply of the liquid fuel.

[0026] Furthermore, one end of the central vaporization chamber a is open to introduce liquid fuel and the other end is closed, which helps the central vaporization chamber a store liquid fuel; one end of the peripheral vaporization chamber b is open to lead out gas fuel and the other end is closed; the closed end of the central vaporization chamber a extends to the open end of the peripheral vaporization chamber b; the closed end of the peripheral vaporization chamber b extends to the open end of the centerline vaporization chamber. The above structure can effectively extend the transportation path of the liquid fuel, thereby improving the vaporization effect.

[0027] Furthermore, the specific structure includes an inner vaporization tube 1 and an outer vaporization tube 2, the inner vaporization tube 1 is inserted in the outer vaporization tube 2 in an intermittent manner; the central vaporization chamber a is the inner cavity of the inner vaporization tube 1, one end of the inner vaporization tube 1 is provided with a first liquid inlet interface 101 connected to the open end of the central vaporization chamber a, and the other end is closed, and the first liquid inlet interface 101 is provided with an internal thread so as to be connected to the corresponding front pipeline; the peripheral vaporization chamber b is the annular gap between the inner vaporization tube 1 and the outer vaporization tube 2, one end of the outer vaporization tube 2 is closed, and the other end is provided with a first steam outlet interface 201 connected to the open end of the peripheral vaporization chamber b, one end of the outer vaporization tube 2 is tightly matched with the first annular boss 102 on the surface of the inner vaporization tube 1 to achieve closure, and the first steam outlet interface 201 is provided with an external thread so as to be connected to the corresponding rear pipeline; the electromagnetic heating element 4 is a spiral electric heating tube, which is arranged on the outside of the outer vaporization tube 2.

[0028] Furthermore, the vaporization hole c is opened on the side of the inner vaporization tube 1 and is located above the central vaporization chamber a. The inner vaporization tube 1 is usually arranged horizontally so that the liquid fuel is stored in the central vaporization chamber a. The vaporized gas fuel rises and enters the peripheral vaporization chamber b through the vaporization hole c. The supply amount of the liquid fuel is controlled by the system to avoid a large amount of liquid fuel from pouring into the peripheral vaporization chamber b; the vaporization hole c is far away from the closed end of the central vaporization chamber a and close to the closed end of the peripheral vaporization chamber b, which effectively extends the conveying path inside the electromagnetic heating vaporization device and ensures that the liquid fuel is fully vaporized.

[0029] Furthermore, a sleeve-shaped screen 4 is provided in the outer vaporization chamber b, and the screen 4 surrounds the outside of the central vaporization chamber a, and the screen 4 at least partially covers the vaporization hole c; the screen 4 can achieve the effect of water vapor separation and breaking up the gas fuel; the water vapor separation can separate the liquid fuel from the gas fuel to ensure the purity of the gas fuel finally drawn out, and at the same time, part of the liquid fuel will hang on the screen 4 and continue to vaporize, so as to achieve the purpose of full vaporization; breaking up the gas fuel can make it evenly transported, ensuring the uniformity during combustion; the screen 4 can also separate impurities in the liquid fuel to avoid clogging related pipelines; by regularly cleaning the screen 4, the use effect of the electromagnetic heating vaporization device can be guaranteed, thereby extending its service life.

[0030] Second embodiment

[0031] See also Figure 4-Figure 6 The electromagnetic heating vaporization device of the liquid fuel stove is different from the first embodiment in that it also includes a liquid inlet chamber d, which is annular and surrounds the outside of the central vaporization chamber a, and the electromagnetic heating element 4 surrounds the outside of the liquid inlet chamber d and the peripheral vaporization chamber b. One end of the liquid inlet chamber d is open to introduce liquid fuel, and the other end is closed. The liquid inlet chamber d is connected with the central vaporization chamber a through the liquid inlet hole e; one end of the peripheral vaporization chamber b is open to lead out gas fuel, and the other end is closed; one end of the peripheral vaporization chamber b is open to lead out gas fuel, and the other end is closed; both ends of the central vaporization chamber a are closed, one closed end extends to the open end of the liquid inlet chamber d, and the other closed end extends to the open end of the peripheral vaporization chamber b. The liquid fuel enters the liquid inlet chamber d, the central vaporization chamber a and the peripheral vaporization chamber b in sequence, is heated in the liquid inlet chamber d to complete the first vaporization, is heated in the central vaporization chamber a to complete the second vaporization, and is heated in the peripheral vaporization chamber b to complete the third vaporization. The whole process can achieve three vaporizations, greatly improving the vaporization efficiency.

[0032] Furthermore, the liquid inlet hole e is located at the closed end of the liquid inlet chamber d and the middle of the central vaporization chamber a; the vaporization hole c is located at the closed end of the peripheral vaporization chamber b and the middle of the central vaporization chamber a. The above structure can effectively extend the conveying path in the electromagnetic heating vaporization device and effectively improve the vaporization effect.

[0033] Furthermore, the specific structure includes a liquid inlet pipe 5, a first inner tube 6, a second inner tube 7 and a steam outlet pipe 8; the first inner tube 6 is inserted in the liquid inlet pipe 5 at intervals, and the liquid inlet chamber d is the annular gap between the liquid inlet pipe 5 and the first inner tube 6; the second inner tube 7 is inserted in the steam outlet pipe 8 at intervals, and the outer vaporization chamber b is the annular gap between the second inner tube 7 and the steam outlet pipe 8; the first inner tube 6 and the second inner tube 7 are interconnected, and the inner cavities of each other are interconnected to form a central vaporization chamber a; four liquid inlet holes e are evenly distributed in an annular manner on the side of the first inner tube 6; four vaporization holes c are evenly distributed in an annular manner on the side of the second inner tube 7.

[0034] Furthermore, one end of the liquid inlet pipe 5 is provided with a second liquid inlet interface 501 connected to the open end of the liquid inlet chamber d, and the other end is closed. The second liquid inlet interface 501 is provided with an internal thread so as to be connected to the corresponding front pipeline, and the other end of the liquid inlet pipe 5 is tightly matched with the second annular boss 601 on the surface of the first inner tube 6 to achieve closure; one end of the steam outlet pipe 8 is provided with a second steam outlet interface 801 connected to the open end of the peripheral vaporization chamber b, and the other end is closed. The second steam outlet interface 801 is provided with an external thread so as to be connected to the corresponding rear pipeline, and the other end of the steam outlet pipe 8 is tightly matched with the third annular boss 701 on the surface of the second inner tube 7 to achieve closure.

[0035] Furthermore, sleeve-shaped screens 4 are respectively arranged in the liquid inlet chamber d and the peripheral vaporization chamber b. The two screens 4 surround the outside of the central vaporization chamber a, and the two screens 4 at least partially cover the corresponding liquid inlet holes e and vaporization holes c.

[0036] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for illustrating the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An electromagnetic heating vaporization device for a liquid fuel stove, characterized in that: The invention comprises a central vaporization chamber (a) and a peripheral vaporization chamber (b), wherein the peripheral vaporization chamber (b) is annular and surrounds the outside of the central vaporization chamber (a), an electromagnetic heating element (4) is arranged on the outside of the peripheral vaporization chamber (b), and the central vaporization chamber (a) is connected to the peripheral vaporization chamber (b) through one or more vaporization holes (c); liquid fuel enters the central vaporization chamber (a) and the peripheral vaporization chamber (b) in sequence, and is heated and vaporized in the central vaporization chamber (a) and the peripheral vaporization chamber (b) to become gas fuel, and the gas fuel is finally supplied for combustion; The electromagnetic heating vaporization device also includes a liquid inlet chamber (d), which is annular and surrounds the outside of the central vaporization chamber (a), and the electromagnetic heating element (4) surrounds the liquid inlet chamber (d) and / or the outside of the peripheral vaporization chamber (b). One end of the liquid inlet chamber (d) is open to introduce liquid fuel and the other end is closed. The liquid inlet chamber (d) is connected to the central vaporization chamber (a) through a liquid inlet hole (e); one end of the peripheral vaporization chamber (b) is open to lead out gas fuel and the other end is closed; one end of the peripheral vaporization chamber (b) is open to lead out gas fuel and the other end is closed; both ends of the central vaporization chamber (a) are closed, one closed end extends to the open end of the liquid inlet chamber (d) and the other closed end extends to the open end of the peripheral vaporization chamber (b); The liquid inlet hole (e) is located at the closed end of the liquid inlet chamber (d) and the middle of the central vaporization chamber (a); the vaporization hole (c) is located at the closed end of the peripheral vaporization chamber (b) and the middle of the central vaporization chamber (a); A sleeve-shaped screen (3) is arranged in the liquid inlet chamber (d) and / or the peripheral vaporization chamber (b), the screen (3) surrounds the outside of the central vaporization chamber (a), and the screen (3) at least partially covers the liquid inlet hole (e) and / or the vaporization hole (c).

2. The electromagnetic heating vaporization device for liquid fuel stove according to claim 1, characterized in that: The invention comprises a liquid inlet pipe (5), a first inner pipe (6), a second inner pipe (7) and a steam outlet pipe (8); the first inner pipe (6) is inserted into the liquid inlet pipe (5) at intervals, and the liquid inlet chamber (d) is an annular gap between the liquid inlet pipe (5) and the first inner pipe (6); the second inner pipe (7) is inserted into the steam outlet pipe (8) at intervals, and the peripheral vaporization chamber (b) is an annular gap between the second inner pipe (7) and the steam outlet pipe (8); the first inner pipe (6) and the second inner pipe (7) are connected to each other, and their inner cavities are connected to each other to form the central vaporization chamber (a); the liquid inlet holes (e) are evenly distributed in an annular shape on the first inner pipe (6); and the vaporization holes (c) are evenly distributed in an annular shape on the second inner pipe (7).

3. The electromagnetic heating vaporization device for liquid fuel stove according to claim 2, characterized in that: One end of the liquid inlet pipe (5) is provided with a second liquid inlet interface (501) communicating with the open end of the liquid inlet chamber (d), and the other end is sealed; one end of the steam outlet pipe (8) is provided with a second steam outlet interface (801) communicating with the open end of the peripheral vaporization chamber (b), and the other end is sealed.

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