CN210772297U

CN210772297U - Firewood stove

Info

Publication number: CN210772297U
Application number: CN201921867128.2U
Authority: CN
Inventors: 阳若明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a firewood stove relates to cooking utensils technical field, has solved the insufficient technical problem of firewood stove burning that exists among the prior art. This firewood kitchen range includes the casing, hearth and top of a kitchen range, the casing is connected with the top of a kitchen range, the hearth is located the top of a kitchen range and the cavity that the casing encloses the city, the hearth includes first hearth and second hearth, the second hearth is located first hearth upper portion and communicates with first hearth through the heat pipe, ash leakage mouth has been seted up to first hearth bottom, first hearth lateral part is provided with fuel and imports and exports and be located the casing outside, fuel imports and exports and is provided with the kitchen door that can switch, the heat pipe is located first hearth and is connected with the second hearth, be provided with the opening that can place the second hearth on the top of a kitchen range, the upper portion of second hearth is the opening, fuel is imported and exported through fuel and is put to first hearth when the door is opened, the gas that fuel produced in the burning of first hearth can move to the second hearth through the heat pipe, set up the gas outlet with second hearth intercommunication on the top of a kitchen range.

Description

Firewood stove

Technical Field

The utility model belongs to the technical field of cooking utensils technique and specifically relates to a firewood kitchen is related to.

Background

The firewood stove is also called a biomass cooking stove, a plant cooking stove and an energy-saving firewood stove. The firewood stove uses firewood, sawdust, wood shavings, weeds, corncobs, straws and other plant materials as fuel, and by using the unique stove structure, the fuel combines and promotes wood direct combustion, wood carbonization and wood gasification combustion, so that all heat energy is gathered at the stove mouth, the effects of strong firepower and energy conservation are achieved to the maximum extent, and the firewood stove is mainly used in vast rural areas or restaurants with farmhouse happiness characteristics.

However, the applicant has found that the prior art has at least the following technical problems:

the existing firewood stove has the problem of insufficient combustion, generates dense smoke and black fog, discharges black smoke and waste gas outwards, wastes resources and can pollute the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firewood stove to solve the insufficient technical problem of firewood stove burning that exists among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a firewood kitchen, includes casing, hearth and top of a kitchen range, the casing with the top of a kitchen range is connected, the hearth is located the top of a kitchen range with in the cavity in casing wall city, wherein, the hearth includes first hearth and second hearth, the second hearth is located the upper portion of first hearth and through the heat pipe with first hearth is linked together, first hearth with the second hearth all is connected with the oxygen suppliment fan, grey mouth has been seted up to the bottom of first hearth, the lateral part of first hearth is provided with fuel import and export just it is located outside the casing, fuel import and export is provided with the door of a kitchen range of switch, the heat pipe is located in the first hearth and with the second hearth is connected, be provided with on the top of a kitchen range and place the opening of second hearth, the upper portion of second hearth is the opening, fuel can pass through when the door is opened fuel import and export to first hearth, the fuel gas generated by the combustion of the fuel in the first hearth can run into the second hearth through the heat conduction pipe to be combusted, the cooking bench is provided with an air outlet, and the air outlet is communicated with the second hearth.

Preferably, first hearth includes the hearth body and stretches out the section, the hearth body with stretch out the section intercommunication, the upper portion of hearth body with the second hearth is connected, this internal first combustion chamber that forms of hearth, the bottom of hearth body has been seted up the ash leakage mouth, the partial section that stretches out the section is located outside the casing just stretch out and keep away from on the section the one end of hearth body is provided with the kitchen range door.

Preferably, a drawer-type water tank is formed at the lower part of the shell, the drawer-type water tank is located at the lower part of the ash leakage port, a grate is arranged at the ash leakage port, a tubular body is connected below the ash leakage port, and ash at the ash leakage port can fall into the drawer-type water tank through the tubular body.

Preferably, the hearth body is spherical, one end, far away from the hearth body, of the second hearth is outwards expanded to be horn-shaped, and the hearth body and the second hearth are both made of corundum-mullite materials.

Preferably, the stove door faces the periphery of one side of the inside of the hearth body is provided with a sealing groove, and an asbestos packing is embedded in the sealing groove.

Preferably, be equipped with ceramic energy storage piece in the second hearth, ceramic energy storage piece with the inner wall fixed connection of second hearth, be located in the second hearth the region below ceramic energy storage piece forms the second combustion chamber, wherein, ceramic energy storage piece includes the lamellar body, evenly seted up the through-hole on the lamellar body.

Preferably, an air compression ring is arranged in the second hearth, the air compression ring is located below the ceramic energy storage sheet, an outer ring of the air compression ring is fixedly connected with the inner wall of the second hearth, and the inner diameter of the air compression ring is larger than the diameter of the heat conduction pipe.

Preferably, gas outlet department is provided with the chimney or is the wave cooling tube of buckling, the one end of chimney or the one end of cooling tube with the gas outlet is linked together, the other end of chimney or the other end of cooling tube stretches out outdoors, the fixed pot circle that is provided with of opening part of second hearth, be provided with pot circle lid on the pot circle.

Preferably, the pot circle includes upper pot circle, well pot circle and lower pot circle that top-down set up, lower pot circle with the inner wall fixed connection of second hearth, lower pot circle, well pot circle and upper pot circle along direction radius from bottom to top reduces gradually, well pot circle with lower pot circle with between the upper pot circle all can dismantle the connection.

Preferably, the casing is the cuboid that the net encloses is prevented scalding by stainless steel, the casing with be provided with the heat preservation between the kitchen thorax, the match kitchen still includes the walking wheel, the walking wheel is installed the bottom of casing is the rectangle and arranges.

The utility model has the advantages that:

the utility model provides a firewood stove comprises a shell, hearth and hearth, the shell is connected with the hearth, the hearth is located the cavity that hearth and shell enclose the city, the hearth includes first hearth and second hearth, the second hearth is located the upper portion of first hearth and is linked together with first hearth through the heat pipe, first hearth and second hearth all are connected with oxygen supply fan, the bottom of first hearth is opened with leaking grey mouth, the lateral part of first hearth is provided with fuel import and export and the fuel import and export is located the casing is outside, the fuel import and export is provided with the door of switch, the heat pipe is located first hearth and is connected with second hearth, be provided with the opening that can place the second hearth on the hearth, the upper portion of second hearth is the opening, the fuel can be put into first hearth through import and export fuel when the door is opened, close the door, the fuel burns at first hearth, the gas that the fuel burning produced can be burnt again through moving to the second hearth, the utility model provides a form first combustion chamber in the first kitchen range, form the second combustion chamber in the second kitchen range, compare the fuel with prior art (the fuel in the firewood kitchen can only be through once burning among the prior art) and pass through secondary oxygenation burning, enable combustible substance and oxygen and fully react, the burning is more abundant, reduces the emission of dense smoke black fog and waste gas, and is energy-concerving and environment-protective.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a firewood stove provided by the embodiment of the present invention.

Reference numerals: 1. a first hearth; 2. a second hearth; 3. an ash leakage opening; 4. a cooking range door; 5. a drawer-type water tank; 6. a tubular body; 7. a ceramic energy storage sheet; 8. a gas pressing ring; 9. an air outlet; 10. a cooking bench; 11. a housing; 12. a first combustion chamber; 13. a second combustion chamber; 14. a primary oxygen supply fan; 15. a secondary oxygen supply fan; 16. a heat conducting pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.

Referring to fig. 1, the present invention provides a firewood range, comprising a housing 11, a hearth and a hearth 10, wherein the housing 11 is connected to the hearth 10, the hearth is located in a cavity surrounded by the hearth 10 and the housing 11, wherein the hearth comprises a first hearth 1 and a second hearth 2, the second hearth 2 is located on the upper portion of the first hearth 1 and is communicated with the first hearth 1 through a heat pipe 16, both the first hearth 1 and the second hearth 2 are connected to an oxygen supply fan, an ash leakage port 3 is formed at the bottom of the first hearth 1, a fuel inlet and a fuel outlet are formed at the side of the first hearth 1, the fuel inlet and the fuel outlet are located outside the housing 11, a switchable door 4 is provided for the fuel inlet and outlet, the heat pipe 16 is located in the first hearth 1 and is connected to the second hearth 2, an opening capable of placing the second hearth 2 is formed on the hearth 10, the upper portion of the second hearth 2 is open, when the door 4 is opened, the fuel can be placed into the first hearth 1 through the fuel inlet and the fuel outlet, close range door 4, fuel is at 1 burning of first hearth, and the gas that fuel produced in 1 burning of first hearth can burn once more in heat pipe 16 moves to second hearth 2, has seted up gas outlet 9 on the top of a kitchen range 10, and gas outlet 9 is linked together with second hearth 2, the utility model provides a first hearth 1 is formed with first combustion chamber 12 in, is formed with second combustion chamber 13 in the second hearth 2, compares fuel with prior art (among the prior art in the firewood kitchen can only be through once burning) and can pass through secondary oxygenation burning, enables the more abundant reaction of combustible substance and oxygen, and the burning is more abundant, reduces the emission of dense smoke black fog and waste gas, and is energy-concerving and environment-protective.

As the embodiment of the utility model provides an optional embodiment, first hearth 1 includes the hearth body and stretches out the section, the hearth body with stretch out the section intercommunication, the upper portion of hearth body is connected with second hearth 2, this internal first combustion chamber 12 that forms of hearth, the bottom of hearth body has been seted up ash hole 3, the partial section of stretching out the section is located casing 11 and just stretches out the one end of keeping away from the hearth body on the section and is provided with the door of a kitchen range 4.

As an optional implementation manner of the embodiment of the present invention, the lower portion of the housing 11 forms a drawer-type water tank 5, the drawer-type water tank 5 is located at the lower portion of the ash leakage port 3, the lower portion of the ash leakage port 3 where the grate is disposed is connected with a tubular body 6, and the ash at the ash leakage port 3 can fall into the drawer-type water tank 5 through the tubular body 6 after being filtered by the grate. The lower port of the tubular body 6 connected below the hearth body is submerged by the water of the drawer-type water tank 5 which is positioned below the tubular body and filled with water, and the drawer-type water tank 5 is designed to firstly contain ashes generated by fuel, secondly play a role in sealing, prevent the leakage of smoke, gas and volatile tar generated by the pyrolysis of the fuel in the hearth and then have the effect of wet dust removal.

As the embodiment of the utility model provides an optional embodiment, the hearth body is spherical, and spherical structure's hearth body does not have the turning for the hot air current operation is smooth in the hearth body, and the spheroid is heated evenly, and the carbon fire of firewood burning can be automatic to slide down the heat pipe 16 lower extreme until the bottom of spherical hearth body, and the top center of spherical hearth body hangs perpendicularly and settles a heat pipe 16 of high temperature resistant anti-oxidant 310s stainless steel, and the bottom of hearth body forms high-temperature region, lasts to ignite this internal gas of hearth. One end of the second hearth 2, which is far away from the hearth body, is outwards expanded to be horn-shaped, namely the second hearth 2 is horn-shaped, the hearth body and the second hearth 2 are both made of corundum mullite materials, and the first hearth 1 and the second hearth 2 are integrally cast by corundum mullite refractory materials (added with high-temperature-resistant and oxidation-resistant stainless steel fibers) on the market. The corundum-mullite material can resist high temperature of 1500-1700 ℃, has the characteristics of high strength, high wear resistance, impact resistance, good thermal shock resistance, small high-temperature creep rate and strong chemical corrosion resistance, has low heat conductivity coefficient of a cast finished product of the material and good heat preservation effect, and can reduce heat loss of a stove compared with a common founding cast iron hearth at present, so that the temperature in the hearth is quickly raised.

As the embodiment of the utility model provides an optional implementation mode, the periphery of the inside one side of chamber of a kitchen range body of door 4 orientation is provided with the seal groove, and it has the asbestos packing to inlay in the seal groove. Asbestos packing is a packing made of graphite asbestos thread coated with heat-resistant lubricating oil and woven together, and is used as a sealing material in a wide range of applications. The sealing groove and the asbestos packing are designed to seal the stove door 4, so that the gas leakage of the stove chamber body is effectively prevented. Because the hearth body adopts strict sealing measures, the escape of mixed combustible gas (generally called wood gas) generated by high-temperature decomposition during the combustion of firewood is reduced, and more mixed combustible gas participates in the combustion, thereby effectively improving the heat efficiency.

As the embodiment of the utility model provides an optional implementation mode, be equipped with ceramic energy storage piece 7 in the second hearth 2, ceramic energy storage piece 7 and the inner wall fixed connection of second hearth 2, the region that lies in below ceramic energy storage piece 7 in the second hearth 2 forms second combustion chamber 13, ceramic energy storage piece 7 also calls ceramic energy storage kitchen range, commodity ceramic energy storage piece 7 market product diameter is generally between 140mm to 180mm, ceramic energy storage piece 7 includes the lamellar body, evenly distributed a thousand more than the through-hole of diameter 1mm on the lamellar body, the gas forms a thousand more fire columns when here burning, these fire columns can be with the more abundant contact of air, the firepower rises at here at once, the temperature here can reach more than 1000 degrees centigrade usually, more than general cooking utensils and be higher than about 150 degrees, heat energy gathers here, so call ceramic energy storage kitchen range. The other function of the ceramic energy storage cooking range is to enlarge the heating area and improve the heating rate of the cookware.

For preventing that the wind direction from leading to the skew phenomenon that causes oxygen and gas can not the intensive mixing of firepower, conduct the embodiment of the utility model discloses optional embodiment is equipped with in the second hearth 2 and presses the gas ring 8, presses the below that gas ring 8 is located ceramic energy storage piece 7, and the outer lane of pressing the gas ring 8 and the inner wall fixed connection of second hearth 2 press the gas ring 8, and the internal diameter of pressing the gas ring 8 is greater than the diameter of heat pipe 16.

As the embodiment of the utility model provides an optional implementation mode, 9 departments of gas outlet are provided with the chimney or are the wave cooling tube of buckling, and the one end of chimney or the one end of cooling tube are linked together with gas outlet 9, and the other end of chimney or the other end of cooling tube stretch out outdoor, and the fixed pot circle that is provided with of opening part of second hearth 2 is provided with pot circle lid on the pot circle. The utility model provides a firewood stove has two use modes, namely a conventional mode and a winter heating mode, wherein the conventional mode refers to cooking modes such as cooking, cooking and water boiling, when the firewood stove is used in the conventional mode, a chimney can be connected to the gas outlet 9, and a pot can be placed on a pot ring for use; when the heating mode is adopted in winter, the chimney of the air outlet 9 is replaced by the radiating pipe, a cooker on the cooker ring is taken down and covered by the cooker ring cover, and the radiating pipe is bent in a wave shape to increase the radiating area, the stroke of hot air flow is increased to ensure that the hot air flow radiates more heat indoors, the tail end of the radiating pipe is basically cooled, and the radiating pipe is connected out of a room to prevent people from being poisoned in case of residual harmful gas in the combustion process of the firewood stove when considering that indoor doors and windows are closed.

As the embodiment of the utility model provides an optional embodiment, the pot circle includes last pot circle, well pot circle and lower pot circle that top-down set up, and lower pot circle and the inner wall fixed connection of second hearth 2, lower pot circle, well pot circle and last pot circle along direction radius from bottom to top reduce gradually, and be connected can to dismantle between well pot circle and the lower pot circle, between well pot circle and the last pot circle, can adopt the joint, the dismantlement of being convenient for well pot circle and last pot circle. The pot ring has two functions, namely, the diameter of a stove opening is changed to adapt to pots with different calibers; secondly, the heating device plays a role in sealing and pressing fire during heating. The pot ring is provided with three ways, namely an upper pot ring, a middle pot ring and a lower pot ring, so as to ensure that the pot is suitable for pots with different calibers.

This oxygen suppliment fan of firewood stove is divided into once oxygen suppliment fan 14 and secondary oxygen suppliment fan 15, once oxygen suppliment fan 14 and secondary oxygen suppliment fan 15 all are located outside casing 11, once oxygen suppliment fan 14 communicates mutually through oxygen supply pipeline with the inside of spherical kitchen thorax body (also be exactly first combustion chamber 12), the air intake of spherical kitchen thorax body is located the lower half of kitchen thorax body, the axis and the horizontal direction of the air intake of kitchen thorax body become 15 degrees inclinations, the air current becomes down tangent line whirl wind, the tendency of wind makes this internal gas of kitchen thorax and the even mixture of oxygen so that more abundant contact, make the burning more abundant. The diameter of the hearth body is 300mm, and the primary oxygen supply fan 14 is a centrifugal fan of 15-18 w. The diameter of the hearth body is increased, and the power of the primary oxygen supply fan 14 is also moderately increased. The secondary oxygen supply is communicated with the interior of the horn-shaped second hearth 2 (namely the second combustion chamber 13), and combustible materials and oxygen are fully reacted through a secondary oxygen supply fan 15, so that the purposes of reducing smoke and wood gas residue are achieved. The secondary oxygen supply fan 15 is a 5w ducted micro fan, and is characterized by a cylindrical shape, a small volume and convenient placement under the cooking bench 10. The primary oxygen supply fan 14 and the secondary oxygen supply fan 15 are driven by a set of 12v lithium batteries, the battery capacity is 50ah for avoiding frequent charging, the continuous operation can be guaranteed for 24 hours by primary charging (the fan is usually driven to seventy percent of full load), a set of standby batteries are added for warming in winter, and the cooking and warming can not be influenced during power failure. The firepower in the hearth is realized by controlling the air intake, and the primary oxygen supply fan 14 and the secondary oxygen supply fan 15 are designed with stepless speed regulators (when purchasing the oxygen supply fans, merchants have stepless speed regulators which are ready to be matched with the types of the oxygen supply fans). Of course, the primary oxygen supply fan 14 and the secondary oxygen supply fan 15 may be the same fan (collectively referred to as an oxygen supply fan), and a y-shaped pipe supplies air in two paths, and an air volume control valve is installed on a pipeline of the secondary air supply. In addition, the oxygen supply fan is changed into an alternating current and direct current dual-purpose fan, and a power adapter and a dual-power automatic switcher are installed by adopting dual power supplies (namely, the power supply is supplied by commercial power and a lithium battery). Therefore, when the commercial power alternating current is powered off, the power supply switcher can automatically switch the power supply to the lithium battery for supplying power, the alternating current comes and is automatically switched to be supplied with power, and the power adapter can automatically charge the storage battery, so that the trouble of ordinary charging can be saved. In addition, be provided with the block terminal in one side of kitchen door 4, power knob switch is on the surface of block terminal, and the block terminal the inside is all installed to power switch, power adapter, lithium cell.

As the utility model discloses optional embodiment of embodiment, casing 11 is the cuboid that the net encloses is prevented scalding by stainless steel, is provided with the heat preservation between casing 11 and the kitchen thorax, and the material of heat preservation is the ceramic fiber cotton, and this material operating temperature is 1260 degrees centigrade, and low thermal capacity, low heat conduction, thermal shock resistance, soft not prick the hand. The heat preservation outside is the stainless steel and prevents scalding the net, effectively prevents children's touching scald. In addition, this firewood kitchen still includes the walking wheel, and the walking wheel is installed in the bottom of casing 11 and is the rectangle and arranges, and it is nimble convenient to remove.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A firewood stove is characterized by comprising a shell, a hearth and a hearth, wherein the shell is connected with the hearth, the hearth is positioned in a cavity surrounded by the hearth and the shell, wherein,

the hearth comprises a first hearth and a second hearth, the second hearth is located on the upper portion of the first hearth and communicated with the first hearth through a heat pipe, the first hearth and the second hearth are both connected with an oxygen supply fan, an ash leakage port is formed in the bottom of the first hearth, the side portion of the first hearth is provided with a fuel inlet and outlet, the fuel inlet and outlet are located outside the shell, a switchable stove door is arranged in the fuel inlet and outlet, the heat pipe is located in the first hearth and connected with the second hearth, a through port capable of placing the second hearth is arranged on the hearth, the upper portion of the second hearth is an opening, when the stove door is opened, the fuel can pass through the fuel inlet and outlet and enter the first hearth, the fuel is in the first hearth, and the heat pipe can run to the second hearth for combustion, and the cooking bench is provided with an air outlet which is communicated with the second hearth.

2. The firewood stove according to claim 1, wherein the first hearth includes a hearth body and an extension section, the hearth body is communicated with the extension section, the upper portion of the hearth body is connected with the second hearth, a first combustion chamber is formed in the hearth body, the bottom of the hearth body is provided with the ash leakage port, a partial section of the extension section is located outside the housing, and one end of the extension section, which is far away from the hearth body, is provided with the stove door.

3. A firewood range as claimed in claim 2, wherein a lower portion of the housing forms a drawer type water tank, the drawer type water tank is located at a lower portion of the ash leakage port, a grate is provided at the ash leakage port and a tubular body is connected below the ash leakage port, and ash at the ash leakage port can fall into the drawer type water tank through the tubular body.

4. The firewood stove according to claim 2, characterized in that the hearth body is spherical, one end of the second hearth, which is far away from the hearth body, is flared outwards, and the hearth body and the second hearth are both made of corundum-mullite material.

5. The firewood stove according to claim 2, characterized in that a sealing groove is provided at the periphery of one side of the stove door facing the inside of the hearth body, and an asbestos packing is embedded in the sealing groove.

6. A firewood stove according to claim 1, characterized in that a ceramic energy storage sheet is provided in the second hearth, the ceramic energy storage sheet is fixedly connected with an inner wall of the second hearth, a second combustion chamber is formed in a region below the ceramic energy storage sheet in the second hearth, wherein,

the ceramic energy storage sheet comprises a sheet body, and through holes are uniformly formed in the sheet body.

7. A firewood stove as claimed in claim 6, wherein a gas compression ring is provided in the second hearth, the gas compression ring is located below the ceramic energy storage plate, an outer ring of the gas compression ring is fixedly connected with an inner wall of the second hearth, and an inner diameter of the gas compression ring is larger than a diameter of the heat conduction pipe.

8. The firewood stove according to claim 1, wherein the air outlet is provided with a chimney or a radiating pipe bent in a wave shape, one end of the chimney or one end of the radiating pipe is communicated with the air outlet, the other end of the chimney or the other end of the radiating pipe extends out of the air outlet, a pot ring is fixedly arranged at the opening of the second hearth, and a pot ring cover is arranged on the pot ring.

9. The firewood stove according to claim 8, wherein the pot ring comprises an upper pot ring, a middle pot ring and a lower pot ring which are arranged from top to bottom, the lower pot ring is fixedly connected with the inner wall of the second hearth, the radiuses of the lower pot ring, the middle pot ring and the upper pot ring are gradually reduced along the direction from bottom to top, and the middle pot ring is detachably connected with the lower pot ring and the upper pot ring.

10. The firewood stove according to claim 1, characterized in that the housing is a cuboid surrounded by a stainless steel anti-scalding net, a heat preservation layer is arranged between the housing and the stove chamber, the firewood stove further comprises a traveling wheel, and the traveling wheel is installed at the bottom of the housing and is arranged in a rectangular shape.