Liquid fuel gasification combustion assembly

Abstract

The invention discloses a liquid fuel gasification combustion assembly which comprises a base, a gasification pipe and a combustion head. The upper end of the base is provided with a combustion area which is concavely arranged, and a noise reduction preheating net which is arranged around the combustion head is arranged in the combustion area; a preheating groove is formed in the periphery of the base in a circumferential mode. A heating channel is arranged below the base; the gasification pipe comprises a preheating section and a gasification section, and a heating pipe for heating the gasification section is further arranged in the heating channel in a penetrating mode. The liquid fuel is treated by adopting two stages of preheating and gasification, so that the gasification efficiency is remarkably improved, and the fuel utilization rate is favorably improved; a fuel conveying structure and heating gasification are installed through an independently-designed heating channel, so that the whole structure is safer and more reliable, heat generated after fuel combustion is guided to the area on one side of the preheating groove through the noise reduction preheating net, the heat conduction gasification capacity of the base to the gasification pipe is improved, and meanwhile the purposes of noise reduction and decompression can be achieved. The fire distributor is used for improving the combustion uniformity and reducing the energy consumption; and combustion requirements of different scenes can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of liquid fuel combustion, in particular to a liquid fuel gasification combustion assembly for a stove or the like device. BACKGROUND

[0002] In the field of energy utilization and combustion equipment, liquid fuels such as methanol, ethanol, biodiesel, etc. are widely used in various heating and combustion equipment due to their wide sources and relatively low costs, such as industrial boilers, domestic stoves, catering kitchen equipment, etc. However, the traditional liquid fuel combustion method and related devices have many problems, which seriously limit the efficient use of liquid fuel and the improvement of combustion performance.

[0003] Firstly, the traditional liquid fuel combustion device usually directly sprays or drips liquid fuel into the combustion area for combustion. Since the evaporation speed of liquid fuel is slow, it is difficult to mix with air during combustion, resulting in insufficient combustion. In order to improve the combustion efficiency of liquid fuel, some devices try to gasify the liquid fuel, but the existing gasification method is often inefficient. Some simple gasification devices use the method of mixing heated air with liquid fuel, which has poor gasification effect and cannot meet the demand of combustion equipment for gasified fuel. Moreover, during the gasification process, local overheating or uneven heating may occur, resulting in incomplete gasification and affecting the combustion quality. In addition, most of the existing liquid fuel combustion devices do not consider preheating the fuel. The fuel has a low temperature when it enters the combustion area, which requires additional energy to raise the temperature, which not only increases energy consumption but also affects the stability of combustion. In low temperature environment, the starting speed of the traditional device is slow, and it takes a long time to reach the normal combustion state. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a liquid fuel gasification combustion assembly which can improve the combustion efficiency of liquid fuel and enhance the gasification effect.

[0005] The technical solution adopted by the present application is: a liquid fuel gasification combustion assembly, comprising a base, a gasification pipe and a combustion head; the upper end of the base is provided with a concave arranged combustion area, and the combustion head is arranged in the combustion area; a noise reduction preheating net is arranged around the combustion head in the combustion area; a preheating groove is arranged around the outer periphery of the base; a heating channel is arranged at the lower end of the base, and a gasification output hole is arranged on the inner wall of the heating channel and communicated with the combustion head; a heating pipe is installed in the heating channel; the gasification pipe comprises a preheating section and a gasification section, the preheating section (210) is arranged around the preheating groove, and the gasification section penetrates into the base from one end of the heating channel.

[0006] The technical scheme is characterized in that the base is provided with a combustion zone for mounting a combustion head, a preheating groove for mounting a gasification pipe and a heating channel, and a heating pipe for heating fuel is mounted in the heating channel; liquid fuel is input from the gasification pipe, heated by the heating pipe, output from a gasification output hole to the combustion head for combustion, and the temperature of the preheating groove around the base is increased after the fuel is combusted, so that the liquid fuel is preheated, the purpose of preheating before gasification is achieved, the gasification effect is further improved after the fuel is preheated, and the liquid fuel is fully combusted; the outer side of the combustion head is further provided with a noise reduction preheating net, the noise reduction preheating net can guide the heat after the fuel is combusted to the side area of the preheating groove, the heat conduction and gasification capacity of the base to the gasification pipe is improved, and the purpose of noise reduction and pressure relief is achieved.

[0007] Preferably, the combustion zone is provided with a flame divider above the combustion head, and the flame divider is provided with spaced support portions around the outer periphery.

[0008] Preferably, the combustion zone is provided with a mounting opening for mounting the combustion head, and the bottom of the combustion zone is provided with a water blocking ring protrusion arranged around the mounting opening.

[0009] Preferably, the base is provided with a protection ring protrusion arranged around the combustion zone at the upper end.

[0010] Preferably, the base is provided with a reinforcing rib corresponding to the outer side of the heating channel.

[0011] Preferably, the preheating groove is provided with a sealing ring for closing the opening.

[0012] Preferably, the heating pipe comprises a silicon nitride heating section and a ceramic heat insulation cap, the ceramic heat insulation cap is connected to the silicon nitride heating section through a flange, the ceramic heat insulation cap is provided with a heat insulation sleeve, and the heat insulation sleeve is provided with a connecting head electrically connected to the silicon nitride heating section.

[0013] Preferably, the heating channel is arranged radially along the base, and fixed caps are mounted at the openings of the two ends of the heating channel.

[0014] Preferably, the heating pipe and the gasification section of the gasification pipe are respectively inserted into the base from the two ends of the heating channel.

[0015] The present application has the advantages that: the present application adopts two stages of preheating and gasification to process liquid fuel, which significantly improves the gasification efficiency and is beneficial to improve the fuel utilization rate; the separately designed heating channel is used to install the fuel conveying structure and heating gasification, so that the overall structure is more safe and reliable; the noise reduction preheating net guides the heat after the fuel is combusted to the side area of the preheating groove, improves the heat conduction and gasification capacity of the base to the gasification pipe, and also achieves the purpose of noise reduction and pressure relief; the flame divider improves the combustion uniformity and reduces energy consumption; the present application can be adapted to various liquid fuels such as methanol, ethanol and biodiesel, and meets the combustion needs of different scenes; and the present application has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings required to be used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0017] Figure 1 Schematic view of the liquid fuel gasification combustion assembly provided in the embodiments of the present application Figure 1 .

[0018] Figure 2 Schematic view of the liquid fuel gasification combustion assembly provided in the embodiments of the present application Figure 2 .

[0019] Figure 3 Top view of the liquid fuel gasification combustion assembly provided in the embodiments of the present application.

[0020] Figure 4 Preheating gasification schematic view of the liquid fuel gasification combustion assembly provided in the embodiments of the present application.

[0021] Reference signs; base 100, combustion zone 110, preheating groove 120, heating channel 130, protection ring protrusion 140, gasification pipe 200, preheating section 210, gasification section 220, combustion head 300, noise reduction preheating net 400, heating pipe 500, silicon nitride heating section 510, ceramic heat insulation cap 520, flange 530, heat insulation sleeve 540, flame divider 600, support part 610, sealing ring 700. DETAILED DESCRIPTION

[0022] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0023] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by the skilled person in the field of the present application.

[0024] As Figures 1 to 4As shown, the embodiment of the present application provides a liquid fuel gasification and combustion assembly, which is used for gasification and combustion of liquid fuel, and is beneficial to improve fuel combustion sufficiency; and specifically comprises a base 100, a gasification pipe 200 and a combustion head 300; the upper end of the base 100 is provided with an inner concave arranged combustion area 110, the combustion head 300 is arranged in the combustion area 110, and the combustion area 110 is provided with a noise reduction preheating net 400 arranged around the combustion head 300; the outer periphery of the base 100 is provided with a circumferentially arranged preheating groove 120; the lower end of the base 100 is provided with a heating channel 130; the inner wall of the heating channel 130 is provided with a gasification output hole in communication with the combustion head 300; the heating channel is provided with a heating pipe; the gasification pipe 200 comprises a preheating section 210 and a gasification section 220, the preheating section 210 is arranged around the preheating groove 120, and the gasification section 220 penetrates into the base from one end of the heating channel 130.

[0025] As shown, Figures 1 to 4 Through the above arrangement, the embodiment is provided with the combustion area 110 for mounting the combustion head 300 on the base 100, which is used for outputting the gasification fuel for combustion; meanwhile, the preheating groove 120 and the heating channel 130 for mounting the gasification pipe 200 are also arranged, the heating pipe 500 for heating the fuel is further arranged in the heating channel 130, the liquid fuel is input from the gasification pipe 200 and heated by the heating pipe 500, and then output to the combustion head 300 through the gasification output hole for combustion, the temperature of the preheating groove 120 around the base 100 is increased after the fuel is combusted, thereby realizing the preheating operation of the liquid fuel and the purpose of preheating before gasification, the gasification effect of the fuel after preheating is further improved, and the liquid fuel is fully combusted; since the noise reduction preheating net 400 is further arranged outside the combustion head 300, the noise reduction preheating net 400 can guide the heat after the fuel is combusted to the side area of the preheating groove 120, thereby improving the heat conduction gasification capacity of the base 100 to the gasification pipe 200, and also achieving the purpose of noise reduction and pressure relief, and the noise reduction preheating net can adopt a structure of a nickel foam net or a stainless steel net. In actual application, taking methanol as an example, the device can reduce the energy consumption cost by 35% through the preheating gasification and combustion mechanism, and can also adapt to various liquid fuels such as methanol, ethanol and biodiesel according to needs, thereby meeting the combustion needs of different scenes.

[0026] As shown, Figure 3 In order to improve the uniform distribution of the fuel after combustion, the embodiment is provided with a flame divider 600 above the combustion head 300 corresponding to the combustion area 110, and the outer periphery of the flame divider 600 is provided with spaced apart support portions 610. The flame divider 600 can adopt an aluminum alloy material, is stably mounted on the upper end of the combustion head 300 through the support portions 610, and can improve the uniformity of flame distribution by 20% and reduce the flame fluctuation amplitude when in use.

[0027] As shown, Figure 1As shown, the embodiment is provided with a mounting port for mounting the combustion head 300 in the combustion zone 110, and a waterproof ring protrusion is arranged around the mounting port at the bottom of the combustion zone 110. The waterproof ring protrusion can prevent water from entering the area of the combustion head 300, ensuring that the combustion head 300 can stably combust the gasified fuel and avoiding extinguishment due to water ingress. Meanwhile, the embodiment is also provided with a protective ring protrusion 140 arranged around the combustion zone 110 at the upper end of the base 100, which plays a protective role and reduces heat loss at the same time. In addition, the embodiment is also provided with a reinforcing rib corresponding to the outside of the heating channel 130 of the base 100, which is used to ensure the stability of the internal structure of the heating channel 130.

[0028] As mentioned earlier, the preheating section 210 of the gasification pipe 200 needs to be embedded and mounted in the preheating groove 120, and the area of the preheating groove 120 is heated by the heat of fuel combustion, thereby implementing fuel preheating. In order to reduce heat loss, the embodiment is provided with a sealing ring 700 that closes the opening of the preheating groove 120, which can seal the preheating section 210 in the preheating groove 120, ensuring the preheating effect.

[0029] As shown, Figure 1 The heating pipe 500 provided in the embodiment includes a silicon nitride heating section 510 and a ceramic heat insulation cap 520. The ceramic heat insulation cap 520 is connected with the silicon nitride heating section 510 through a flange 530, and a heat insulation sleeve 540 is arranged in the ceramic heat insulation cap 520. A connecting head electrically connected with the silicon nitride heating section 510 is arranged in the heat insulation sleeve 540. A silicon carbide coating is coated on the surface of the silicon nitride heating section 510, which is used to improve the oxidation resistance and prolong the service life of the heating pipe 500. The ceramic heat insulation cap 520 is used to reduce the thermal conductivity and avoid damage to the electric connection wire harness and other structures caused by high temperature.

[0030] As shown, Figures 1 to 4 The heating channel 130 arranged at the lower end of the base 100 for mounting the heating pipe 500 and the gasification pipe 200 in the embodiment is arranged radially along the base 100, and a fixed cap is mounted at the opening of the heating channel 130. After the fixed cap is mounted at both ends of the heating channel 130, heat loss can be reduced, ensuring that the liquid fuel in the heating channel 130 can be quickly converted into gas in a closed high-temperature environment, and avoiding the problem of incomplete gasification caused by local overheating or uneven temperature.

[0031] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and description of the present application.

Claims

1. A liquid fuel gasification and combustion assembly, characterized in that: It comprises a base (100), a gasification tube (200) and a combustion head (300); The upper end of the base (100) is provided with a combustion zone (110) arranged in an inward concave manner, the combustion head (300) is arranged in the combustion zone (110), and a noise reduction preheating net (400) arranged around the combustion head (300) is provided in the combustion zone (110); the outer periphery of the base (100) is provided with a circumferentially arranged preheating groove (120); the lower end of the base (100) is provided with a heating channel (130), and the inner wall of the heating channel (130) is provided with a gasification output hole connected to the combustion head (300); A heating pipe (500) is installed in the heating channel (130); the gasification pipe (200) includes a preheating section (210) and a gasification section (220); the preheating section (210) is arranged around the preheating tank (120); and the gasification section (220) penetrates into the base (100) from one end of the heating channel (130).

2. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; A flame distributor (600) is provided above the combustion zone (110) corresponding to the combustion head (300), and support portions (610) are arranged at intervals on the periphery of the flame distributor (600).

3. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that: The combustion zone (110) is provided with an installation opening for installing the combustion head (300), and the bottom of the combustion zone (110) is provided with a water retaining ring protrusion arranged around the installation opening.

4. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that: The upper end of the base (100) is provided with a protective ring protrusion (140) arranged around the combustion zone (110).

5. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; The base (100) is provided with reinforcing ribs on the outside of the corresponding heating channel (130).

6. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; The opening of the preheating tank (120) is provided with a sealing ring (700) for closing the opening.

7. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; The heating tube (500) comprises a silicon nitride heating section (510) and a ceramic heat-insulating cap (520); the ceramic heat-insulating cap (520) is connected to the silicon nitride heating section (510) via a flange (530); a heat-insulating sleeve (540) is provided in the ceramic heat-insulating cap (520); and a connector electrically connected to the silicon nitride heating section (510) is provided in the heat-insulating sleeve (540).

8. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; The heating channel (130) is arranged radially along the base (100), and fixed caps are installed at both ends of the opening of the heating channel (130).

9. The liquid fuel gasification and combustion assembly according to claim 1, characterized in that; The heating tube (500) and the gasification section (220) of the gasification tube (200) respectively penetrate into the base (100) from both ends of the heating channel (130).

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