CN215295113U

CN215295113U - Fuel heating stove

Info

Publication number: CN215295113U
Application number: CN202121421573.3U
Authority: CN
Inventors: 吴应昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-24
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a fuel heating stove relates to heating utensil field. The utility model provides a fuel heating stove, includes the stove body, this internal being provided with of stove gathers can subassembly and fuel feeding device, gathers can the subassembly and includes by outer first ring body, second ring body and the inner cover that sets gradually to interior, and first ring body is the tubular construction, and the one end of first ring body is connected with fuel feeding device's output, and the one end that second ring body and fuel feeding device communicate is provided with the spacing ring, and the spacing ring is connected with the open end of inner cover. The fuel heating furnace can greatly improve the combustion rate of fuel and reduce the emission of toxic gas, and is safe and environment-friendly.

Description

Fuel heating stove

Technical Field

The utility model relates to a heating utensil field particularly, relates to a fuel heating stove.

Background

In rural areas or some areas where electricity cannot be used, people can heat by fire, for example, coal or firewood straw is put into a stove to be burnt, and people can heat beside the stove or carry out life activities such as boiling water on the stove. When people use the stove, although the temperature of the outer shell of the stove is high, the heat generated by the stove is easy to dissipate, so that the heat loss is high, and the open fire generated by the combustion of coal or firewood and the high-temperature outer shell of the stove are easy to cause the scalding of people who touch the stove by mistake. In addition, smoke and waste gas generated by combustion of coal or firewood straws is directly discharged into a room, and the damage to the health of human bodies can be caused if the smoke and waste gas is not treated in time.

The heating stove used at present generally adopts alcohol-based liquid fuel to cook and heat daily, the combustion rate of the fuel is lower, toxic gas is easy to generate, and the heating stove is dangerous and not environment-friendly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuel heating stove, its combustion rate that can very big promotion fuel and the emission that reduces toxic gas, safety ring protects.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a fuel heating stove, including the stove body, this internal being provided with of stove gathers can subassembly and fuel feeding device, gathers can the subassembly and includes by outer first ring body, second ring body and the inner cover that sets gradually to interior, and first ring body is the tubular construction, and the one end and the output of fuel feeding device of first ring body are connected, and the one end that second ring body and fuel feeding device communicate is provided with the spacing ring, and the spacing ring is connected with the open end of inner cover.

The utility model discloses an in some embodiments, this internal ignition that is provided with of above-mentioned stove, ignition include high pressure point firearm, high pressure alarm's the output and gather the input of ability subassembly.

In some embodiments of the present invention, the furnace body is provided with a control device, and the control device is connected to the ignition device.

In some embodiments of the present invention, the fuel supply device includes a liquid storage tank and a vaporization chamber, the vaporization chamber is connected to the liquid storage tank, and the vaporization chamber is located at the input end of the energy collecting assembly.

In some embodiments of the present invention, a conveying device is connected in series between the liquid storage tank and the supply device, and the conveying device is connected with the control device.

In some embodiments of the present invention, the control device comprises a knob, the knob is disposed outside the furnace body, and the knob is used for controlling the flow of the conveying device.

The utility model discloses an in some embodiments, above-mentioned ignition and gather and be provided with the mounting panel between the subassembly, seted up first spacing groove on the mounting panel, first ring body can stretch into first spacing groove, has seted up the second spacing groove on the mounting panel correspondingly, and the second ring body can stretch into in the second spacing groove.

In some embodiments of the present invention, a combustion-supporting hole is disposed on the mounting plate, and the combustion-supporting hole is located between the first limiting groove and the second limiting groove and is communicated with the cavity between the first ring body and the second ring body.

In some embodiments of the present invention, a combustion-supporting device is disposed in the furnace body, and an output end of the combustion-supporting device is connected to an input end of the combustion-supporting hole.

In some embodiments of the present invention, the first ring body, the second ring body and the inner cover are all of a mesh structure.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment of the application provides a fuel heating stove, including the stove body, this internal being provided with of stove gathers can subassembly and fuel feeding device, gathers can the subassembly and includes by outer first ring body, second ring body and the inner cover that sets gradually to interior, and first ring body is the tubular construction, and the one end and the output of fuel feeding device of first ring body are connected, and the one end that second ring body and fuel feeding device communicate is provided with the spacing ring, and the spacing ring is connected with the open end of inner cover. The furnace body is a metal shell, and the surface of the furnace body is coated with a decorative layer, so that various basic components for combustion can be installed, and the furnace body is firm and durable. The energy gathering assembly is detachably mounted in the furnace body and can be detachably connected with the furnace body, the energy gathering assembly can be disassembled and mounted according to the requirement of a user, and the practical performance of the energy gathering assembly is greatly improved. And the energy-collecting component can reutilize incompletely combusted fuel, and is energy-saving and emission-reducing. The first ring body is used for gathering and folding the flame generated by the fuel, so that the fuel is convenient for a user to use. Above-mentioned second ring body is barrel network structure, can make its afterburning through the afterburning room between second ring body and the first ring body with the initial fuel of burning and impurity gas, makes things convenient for its afterburning, very big its performance of making things convenient for. The inner cover is arranged in the second annular body and is of a conical structure, so that the height of flame is reduced, and the utilization rate of fuel can be improved.

Therefore, the fuel heating furnace can greatly improve the combustion rate of fuel and reduce the emission of toxic gas, and is safe and environment-friendly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a conveying schematic diagram of the conveying device according to the embodiment of the present invention.

Icon: 1-a liquid storage tank; 2-a knob; 3-a second limiting groove; 4-mounting a plate; 5-a first limiting groove; 6-a first ring body; 7-a second ring body; 8-inner cover; 9-a control device; 10-a cover body; 11-a handle; 12-a burner port; 13-a combustion-supporting device; 14-a driver; 15-a hose; 16-a pump head; 17-combustion-supporting holes; 18-a combustion-supporting device; 19-conveying means.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 1 shows a cross-sectional view of the embodiment of the present invention, and the present embodiment provides a fuel heating furnace, including a furnace body, the furnace body is provided with an energy collecting component and a fuel supply device, the energy collecting component includes a first ring body 6, a second ring body 7 and an inner cover 8 which are sequentially arranged from outside to inside, the first ring body 6 is a cylindrical structure, one end of the first ring body 6 is connected with an output end of the fuel supply device, the second ring body 7 is provided with a limit ring with one end communicated with the fuel supply device, and the limit ring is connected with an open end of the inner cover 8. The furnace body is a metal shell, and the surface of the furnace body is coated with a decorative layer, so that various basic components for combustion can be installed, and the furnace body is firm and durable. The energy gathering assembly is detachably mounted in the furnace body and can be detachably connected with the furnace body, the energy gathering assembly can be disassembled and mounted according to the requirement of a user, and the practical performance of the energy gathering assembly is greatly improved. And the energy-collecting component can reutilize incompletely combusted fuel, and is energy-saving and emission-reducing. The first ring body 6 is used for gathering and folding the flame generated by the fuel, so that the fuel is convenient for a user to use. Above-mentioned second ring body 7 is barrel network structure, can make its afterburning through the afterburning chamber between second ring body 7 and the first ring body 6 with the initial fuel of burning and impurity gas, makes things convenient for its afterburning, very big its performance of making things convenient for. An inner cover 8 is arranged in the second ring body 7, the inner cover 8 is of a conical structure, the height of flame is reduced, and the utilization rate of fuel can be improved. When the heating stove is used, the inner cover 8 can be removed when cooking is needed, heating of the pot body can be increased, double functions of cooking and heating are achieved, and the versatility of the heating stove is improved.

In this embodiment, the lateral wall of the furnace body is provided with a through hole for replacing the device, so that a user can replace consumables in the furnace body through the through hole, and other parts in the furnace body are also convenient to overhaul and replace. The door body is arranged on the upper cover of the through hole and is hinged with the furnace body, so that opening and closing can be facilitated, and each device can be prevented from being operated by an irrelevant person by mistake.

In this embodiment, above-mentioned fuel feeding device's output is provided with the liquid vaporizer, and its cavity is inside to be provided with heating device, and this heating device can heat gasification with above-mentioned methyl alcohol liquid, and its utilization ratio of the gaseous methyl alcohol after the gasification is bigger, can the effectual resource that utilizes, very big promotion its performance. Above-mentioned heating device includes the heating plate that a plurality of even intervals set up, and its heating plate is connected with the power, and its rate of heating is fast, and the efficient is with the methyl alcohol of liquid, and quick heating makes it form gas fast, the subsequent burning of being convenient for.

Please refer to fig. 2 and fig. 2 is a schematic structural diagram of an embodiment of the present invention, in this embodiment, the furnace body is a rectangular parallelepiped structure, which is convenient for transportation and storage, a combustion port 12 is disposed at the top of the furnace body when in use, a pot body can be erected on the combustion port 12 for heating food, when the pot body is not erected, a cover 10 is disposed on the combustion port 12, when not in use, the cover 10 can be covered to be closed, and the fuel supply assembly can be prevented from being blocked by contaminants such as external dust.

In this embodiment, the cover 10 is correspondingly provided with the handle 11, so as to prevent the cover 10 from being irradiated by high-temperature flame to scald the human body, thereby improving the safety performance. In addition, the handle 11 is covered with an anti-slip layer which is made of insulating materials, so that heat conduction is not easy, a user can grab the anti-slip layer conveniently, and the user cannot be damaged.

In a next implementation manner of this embodiment, an ignition device is disposed in the furnace body, and the ignition device includes a high-voltage igniter, and an output end of the high-voltage alarm and an input end of the energy-gathering component. Built-in ignition device need not the user and ignites through direct ignition's mode, can promote its practicality, and the security performance improves.

In this embodiment, the ignition device is a high-pressure igniter, which is a device capable of providing enough energy to ignite pulverized coal and oil (gas) fuel at a moment and stabilizing flame. The igniter is divided into a commercial stove and a civil stove: the commercial ignition device is mainly applied to the kitchen stove ignition system, and the requirement for civil use is relatively strict when the igniter is selected because the use environment of the kitchen is relatively complex. The household stove mainly is used for ignition of household stoves, is simpler in use environment than catering stoves, and has more pulse type ignition. The igniter is mainly composed of power supply, ignition coil, distributor, ignition switch, spark plug, additional resistor and its short-circuit device, high-low voltage wire, etc. Can guarantee stable ignition, greatly promote the practicality of its heating stove.

In a next embodiment of the present embodiment, the furnace body is provided with a control device 9, and the control device 9 is connected to an ignition device. The control device 9 is used for controlling the ignition device to work, and a switch of the control device 9 is turned on, so that the ignition device introduces high-voltage electricity into the combustion chamber, electric sparks are generated, and the mixed gas is ignited, namely, the fuel starts to burn.

In a lower embodiment of the present embodiment, the fuel supply device comprises a liquid storage tank 1 and a vaporization chamber, wherein the vaporization chamber is connected with the liquid storage tank 1, and the vaporization chamber is positioned at the input end of the energy collecting assembly. In this embodiment, the liquid storage tank 1 is a methanol fuel storage device, and has a circular structure, a rounded bottom, a methanol storage tank made of carbon steel or copper, and the like, and has high mechanical properties and long service life. The outer layer heat insulation material can be epoxy resin, liquefied methanol can be stored, and the use of families or industries is facilitated.

In this embodiment, the holding tank has been seted up to above-mentioned stove body bottom, and above-mentioned liquid storage pot 1 can stretch into above-mentioned holding tank, makes things convenient for the change and the location of its liquid storage pot 1, sets up the holding tank and can build one kind and put orderly in-furnace environment, when overhauing and cleaning, the efficiency of promotion staff's work that can be very big, labour saving and time saving.

In a next embodiment of the present embodiment, a conveying device 19 is connected in series between the liquid storage tank 1 and the supply device, and the conveying device 19 is connected to the control device 9. The liquid storage tank 1 is connected with the fuel supply device through a delivery pipe, and the delivery device 19 is arranged between the delivery hoses 15, so that the speed and the precision of the methanol fuel delivery device can be improved, and the service performance of the methanol fuel delivery device can be greatly improved.

In this embodiment, the control device 9 comprises a peristaltic self-priming pump, which is composed of three parts: a drive 14, a pump head 16 and a hose 15. The characteristics of fluid isolation in the pump pipe, quick replacement of the pump pipe, reversible fluid running, dry running, low maintenance cost and the like constitute the main competitive advantage of the peristaltic pump. Its main advantage has: 1. no pollution: the fluid only contacts the pump pipe and does not contact the pump body; 2. the precision is high: the repeatability precision and the stability precision are high; 3. low shear force: the device is an ideal tool for conveying shear-sensitive and highly-erosive fluid; 4. the leakproofness is good: the self-priming pump has good self-priming capability, can idle and prevent backflow; 5. the maintenance is simple: no valve and seal; 6. the bidirectional equal flow conveying capacity is realized; no damage is caused to any part of the pump under the condition of no liquid idle running; can generate 98% vacuum degree; there are no valves, mechanical seals and packing seals, and there are no such leakage and maintenance concerns; the solid, liquid or gas-liquid mixed phase fluid can be easily conveyed, and the diameter of the solid contained in the fluid is allowed to reach 40% of the inner diameter of the tubular element; can convey various materials with grinding, corrosion and oxygen sensitive characteristics, various foods and the like; only the hose 15 is a component to be replaced, and the replacement operation is extremely simple; the conveyed product does not come into contact with any parts other than the hose 15. The excellent transport performance is an ideal device for the transport device 19, but the device is not limited to the peristaltic pump and may be another transport device having a similar transport function.

In a lower embodiment of the present embodiment, the control device 9 comprises a knob 2, the knob 2 is arranged outside the furnace body, and the knob 2 is used for controlling the flow rate of the conveying device 19. Above-mentioned knob 2 is the cylinder structure, around being equipped with the skid resistant course on its lateral wall, can not produce sliding friction during the rotation, labour saving and time saving in rotatory knob 2, and above-mentioned controlling means 9 can the above-mentioned wriggling self priming pump's of effectual control input voltage, and then controls the flow and the velocity of flow of its output, can adjust the quantity of the fuel of oneself needs according to the needs that self used.

In a next embodiment of this embodiment, a mounting plate 4 is disposed between the ignition device and the energy collecting assembly, a first limiting groove 5 is disposed on the mounting plate 4, the first ring body 6 can extend into the first limiting groove 5, a second limiting groove 3 is correspondingly disposed on the mounting plate 4, and the second ring body 7 can extend into the second limiting groove 3. Above-mentioned mounting panel 4 is sheet metal, and it can bear higher temperature to above-mentioned mounting panel 4 is used for supporting and gathers the energy subassembly, and the motion range of effectual protection flame avoids its lateral wall to bear too high temperature, causes the scald easily. The mounting plate 4 is provided with a first limiting groove 5, the first limiting groove 5 is an annular groove and is correspondingly provided with a first ring body 6, the first ring body 6 is vertically inserted into the first limiting groove 5, and the first ring body 6 and the first limiting groove 5 can realize the positioning effect on the first ring body 6. The first limiting groove 5 is internally provided with a second limiting groove 3, the second limiting groove 3 is also an annular groove body, the outer diameter of the second limiting groove is smaller than that of the first limiting groove 5, and an annular isolation belt is formed between the first limiting groove 5 and the second limiting groove 3.

In this embodiment, a thermal insulation board is disposed on a side of the mounting plate 4 close to the liquid storage tank 1, and the thermal insulation board is used for insulating heat from the upper portion to the lower portion of the furnace body, so as to prevent the heat from damaging the device on the lower portion of the mounting plate 4, and prolong the service life of the device.

In this embodiment, the input end of the ignition device is provided with an aluminum furnace core, wherein aluminum is a metal element, the symbol of the element is Al, and the aluminum furnace core is a silver white light metal. Is malleable. The commodity is usually made into rod, sheet, foil, powder, strip and thread. An oxide film that prevents corrosion of the metal can be formed in humid air. The aluminum powder is heated in the air to burn violently and emit dazzling white flame. Is easy to dissolve in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solution, and is difficult to dissolve in water. The relative density was 2.70. Melting point 660 ℃. Boiling point 2327 ℃. The combustion temperature of the methanol is 436 ℃, which is far lower than the melting point, the texture is light, and the raw materials are high in yield and easy to obtain. The good physical and chemical properties of the material are ideal as the material of the furnace core, but the material is not limited to the material, and can be other materials which have high temperature resistance and are easy to mold.

In a next embodiment of this embodiment, the mounting plate 4 is provided with a combustion-supporting hole 17, and the combustion-supporting hole 17 is located between the first limiting groove 5 and the second limiting groove 3 and is communicated with the cavity between the first ring body 6 and the second ring body 7. The combustion-supporting holes 17 are circular through holes, and the mounting plate 4 between the first limiting groove 5 and the second limiting groove 3 is uniformly arranged at intervals, so that air can uniformly enter the mounting plate. The flow of air is increased in the combustion-supporting holes 17, water, carbon monoxide and carbon dioxide are generated after the methanol fuel is combusted through the first combustion, and the possibility of re-combustion of the high-temperature carbon monoxide gas after the first combustion and sintering is increased after the air circulation flow is increased. Can be very big reduction carbon monoxide gaseous emission, its security performance of very big promotion to the product of carbon monoxide burning is water and carbon dioxide, can also increase the heat of combustion, and the performance of this heating stove is promoted to many birds with one stone.

In a next embodiment of this embodiment, a combustion-supporting device 18 is provided in the furnace body, and an output end of the combustion-supporting device 13 is connected to an input end of the combustion-supporting hole 17. The combustion-supporting device 13 is connected to the control device 9, the combustion-supporting device 13 is disposed below the mounting plate 4, the combustion-supporting device 13 includes an oxygen cylinder filled with high-concentration oxygen, a delivery hose 15 is disposed at an output end of the oxygen cylinder, an output end of the delivery hose 15 is connected to an input end of the combustion-supporting hole 17, and a control valve is disposed at an opening of the oxygen cylinder and communicates the delivery hose 15 and the oxygen cylinder.

In a next embodiment of this embodiment, the first ring 6, the second ring 7 and the inner cover 8 are all of a mesh structure. The net structure is used for manufacturing the first ring body 6, the second ring body 7 and the inner cover 8, has good air permeability, is beneficial to the entering of external oxygen and the discharge of waste gas after the combustion is finished, and then a combustion-supporting device 13 is arranged between the first limiting groove 5 and the second limiting groove 3, so that the secondary combustion of incomplete combustion objects is facilitated.

In this embodiment, above-mentioned stove body is the cuboid structure, and it encloses for the panel welding all around, covers in the inside of panel and is equipped with the one deck insulating layer, avoids the emergence of dangerous accidents such as scald, its security performance of very big promotion.

In this embodiment, the reflective thermal insulation coating of the thermal insulation layer is a single-component bone white slurry, has a temperature resistance range of-30 to 120 ℃, has a novel energy-saving reflective thermal insulation coating integrating high efficiency, thin layer, thermal insulation, decoration, water resistance, fire resistance, corrosion resistance and insulation, can be a three-dimensional network ceramic fibrous structure formed by connecting objects together through closed microbeads on the surfaces of the objects, has a thermal insulation grade of R-30.1, a thermal reflectivity of 90%, a thermal conductivity of 0.04W/m.K, can effectively inhibit radiant heat and conductive heat of sun and infrared rays, has a thermal insulation inhibition efficiency of about 90%, and can keep heat in 70% of object space from losing.

In use, the electrical circuit of the control device 9 is connected and the actuator 14 of the delivery device 19 starts to operate, at which time the control valve opens and the knob 2 is turned to control the appropriate amount of heat.

To sum up, the embodiment of the utility model provides a fuel heating stove, including the stove body, this internal energy subassembly and the fuel feeding device of gathering that is provided with of stove, gather the energy subassembly and include by outer first ring body 6, second ring body 7 and the inner cover 8 that sets gradually to interior, first ring body 6 is the tube structure, and the one end of first ring body 6 is connected with the output of fuel feeding device, and second ring body 7 is provided with the spacing ring with the one end of fuel feeding device intercommunication, and the spacing ring is connected with the open end of inner cover 8. The furnace body is a metal shell, and the surface of the furnace body is coated with a decorative layer, so that various basic components for combustion can be installed, and the furnace body is firm and durable. The energy gathering assembly is detachably mounted in the furnace body and can be detachably connected with the furnace body, the energy gathering assembly can be disassembled and mounted according to the requirement of a user, and the practical performance of the energy gathering assembly is greatly improved. And the energy-collecting component can reutilize incompletely combusted fuel, and is energy-saving and emission-reducing. The first ring body 6 is used for gathering and folding the flame generated by the fuel, so that the fuel is convenient for a user to use. Above-mentioned second ring body 7 is barrel network structure, can make its afterburning through the afterburning chamber between second ring body 7 and the first ring body 6 with the initial fuel of burning and impurity gas, makes things convenient for its afterburning, very big its performance of making things convenient for. An inner cover 8 is arranged in the second ring body 7, the inner cover 8 is of a conical structure, the height of flame is reduced, and the utilization rate of fuel can be improved. Therefore, the fuel heating furnace can greatly improve the combustion rate of fuel and reduce the emission of toxic gas, and is safe and environment-friendly.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fuel heating stove, its characterized in that, includes the stove body, this internal being provided with of stove gathers can subassembly and fuel feeding device, gather and to include by outer first ring body, second ring body and the inner cover that sets gradually to interior, first ring body is barrel construction, the one end of first ring body with the output of fuel feeding device is connected, the second ring body with the one end of fuel feeding device intercommunication is provided with the spacing ring, the spacing ring with the open end of inner cover is connected.

2. A fuel heating stove according to claim 1, characterised in that an ignition device is provided in the stove body, the ignition device comprising a high pressure igniter, the output of which is in communication with the input of the energy concentrating assembly.

3. Fuel heating stove according to claim 2, characterized in that the stove body is provided with control means, which are connected with the ignition means.

4. The fuel heating stove according to claim 1, characterized in that the fuel supply means comprises a liquid reservoir and a vaporization chamber, the vaporization chamber being connected to the liquid reservoir, the vaporization chamber being located at the input of the energy concentrating assembly.

5. Fuel heating stove according to claim 4, characterized in that a conveying device is connected in series between the reservoir and the supply device, which conveying device is connected with a control device.

6. Fuel heating stove according to claim 5, characterized in that the control means comprise a knob arranged outside the stove body for controlling the flow of the delivery means.

7. A fuel heating furnace as claimed in claim 3, wherein a mounting plate is provided between the ignition device and the energy-gathering component, a first limiting groove is provided on the mounting plate, the first ring body can extend into the first limiting groove, a second limiting groove is correspondingly provided on the mounting plate, and the second ring body can extend into the second limiting groove.

8. The fuel heating furnace of claim 7, wherein the mounting plate is provided with a combustion-supporting hole, and the combustion-supporting hole is located between the first limiting groove and the second limiting groove and is communicated with the cavity between the first ring body and the second ring body.

9. The fuel heating furnace according to claim 8, characterized in that a combustion supporting device is arranged inside the furnace body, the output end of the combustion supporting device being connected with the input end of the combustion supporting hole.

10. The fuel heating stove according to any one of claims 1-9, characterized in that the first ring, the second ring and the inner cover are all of a mesh structure.