CN209782716U - Improved biomass fuel cooking and heating furnace - Google Patents

Abstract

The utility model provides an improved generation biomass fuel cooking heating stove, it relates to cooking heating stove, and it is big that it has solved power consumption, and use cost is high, and the power failure or draught fan break down can appear to indoor smoking, have the problem of potential safety hazard. The utility model discloses a top at holding together fire plate or right side rectangle water jacket and flue gas passageway is established to the change-over panel, is equipped with L type shielding plate in the upper left side of second combustion chamber, and L type shielding plate top is equipped with rectangle water jacket and flue gas passageway, is provided with the flue gas divertor in the flue gas passageway, is equipped with the exhaust port on the back wall of the furnace body of the top of flue gas passageway or change-over panel, feed bin and first combustion chamber and second combustion chamber intercommunication, first combustion chamber or second combustion chamber through holding together fire plate or flue gas passageway and exhaust port intercommunication. The utility model discloses a low in manufacturing cost, use cost is low, has satisfied the demand of user low cost, safety, high-efficient clean cooking and heating.

Description

Improved biomass fuel cooking and heating furnace

Technical Field

The utility model belongs to cooking heating stove, concretely relates to improved generation biomass fuel cooking heating stove.

Background

Compared with a normal-burning cooking and heating furnace, the reverse-burning cooking and heating furnace can be charged at one time, unattended burning is carried out for a long time, and the smoke dust eliminating effect is good; however, the existing counter-burning biomass cooking and heating furnace has the following problems: in order to ensure normal combustion and no smoke overflow at a charging opening, the flues have no back-and-forth heat exchange return stroke, although the smoke resistance is small, the smoke exhaust temperature is extremely high, and the heat efficiency is low; secondly, a draught fan is required to be equipped for overcoming the smoke resistance of the multi-return-stroke heat exchange reverse combustion furnace, but if power failure occurs accidentally or the draught fan fails, the multi-return-stroke heat exchange reverse combustion furnace cannot continue to work, smoke generated by fuel in a storage bin overflows from the storage bin, and the life and property safety of a user is threatened; thirdly, the fire grate of the back-burning furnace is easy to burn, and after burning for a period of time, the particle size of ash on the fire grate is reduced, the resistance is increased, and the power of the heating furnace is obviously reduced; and fourthly, due to the combustion mode of the back-burning furnace, the temperature of flame is very low when the flame reaches the cooking stove mouth, and the cooking function requirement of a user cannot be met. Present living beings cooking heating stove, it is little that there is heat transfer area mostly, and exhaust gas temperature is high, and calorific loss seriously leads to power little, the problem that the energy consumption is high. Although the problem is solved by the inventor's patent application No. 201821853658.7 of Biomass fuel cooking and heating stove, the induced draft fan needs to be started all the time during work, the electricity consumption per day is high, and the use cost of users is increased; the problems of smoke generation indoors and potential safety hazards can occur under the condition of power failure or failure of the induced draft fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of large power consumption and high use cost of the existing furnace; the improved biomass cooking and heating furnace has the advantages that smoke is generated indoors under the condition of power failure or failure of an induced draft fan, so that potential safety hazards exist, and the improved biomass cooking and heating furnace can normally work by utilizing the suction force of a chimney; the cooking fire intensity is large, the heating thermal efficiency is high, the cooking and heating are mutually converted, and the function of independent cooking or independent heating is realized; the method uses woody or herbaceous briquettes, granular fuel, corncobs, husks, cow and horse dung, firewood chippings, broken branches and the like, and has the following specific technical scheme:

The utility model relates to an improved biomass fuel cooking and heating furnace, which comprises a rectangular water jacket 2, a bin 3, a first combustion chamber 4, a second combustion chamber 5, a fire grate 9, a clapboard 10, a fire gathering plate 11, a conversion plate 12, an L-shaped shielding plate 13, a smoke channel 14, a smoke vent 15 and a smoke deflector 18, wherein the conversion plate 12 is arranged above the fire gathering plate 11 or the right rectangular water jacket 2 and the smoke channel 14, the L-shaped shielding plate 13 is arranged above the left side of the second combustion chamber 5, the rectangular water jacket 2 and the smoke channel 14 are arranged above the L-shaped shielding plate 13, the smoke deflector 18 is arranged in the smoke channel 14, the smoke vent 15 is arranged on the rear wall of the furnace body 1 above the smoke channel 14 or the conversion plate 12, the fire grate 9 is arranged below the bin 3 and the first combustion chamber 4, the clapboard 10 is vertically arranged at the right end of the fire grate 9, the bin 3 is communicated with the first combustion chamber 4 and the second combustion chamber 5, when the conversion plate 12 is arranged above the rectangular water jacket 2 and the flue gas channel 14, the first combustion chamber 4 is communicated with the smoke outlet 15 through the fire collecting plate 11, and when the conversion plate 12 is arranged above the fire collecting plate 11, the second combustion chamber 5 is communicated with the smoke outlet 15 through the flue gas channel 14.

The utility model discloses an improved generation biomass fuel cooking heating stove's advantage lies in: firstly, biomass particles, briquettes, corncobs, husks, wood blocks, cow dung and the like are used as fuels; secondly, unattended operation, continuous and stable combustion and high heat efficiency can be realized; thirdly, a pyrolysis gasification reverse combustion technology is adopted to convert the solid fuel into combustible gas, the combustion is sufficient, the ash slag is not easy to coke, and the pollutant discharge is low; fourthly, because a positive pressure air blower is not arranged, no spark and fly ash exist at the cooking stove mouth; the fire gathering plate can gather the flame, thereby enhancing cooking firepower; the L-shaped shielding plate can uniformly disperse the flue gas to a plurality of flue gas channels, so that heat exchange is better; sixthly, flexible conversion of cooking and heating functions is realized; a flue gas flow guider is arranged in the flue gas channel, so that the flue gas path is prolonged, the heat exchange strength between the flue gas and the pipe wall is enhanced, the flue gas temperature is low, and the flue gas is turned back for multiple times to have a good dust settling effect; eighthly, an induced draft fan is not needed, and the problem of smoke generation to the indoor space caused by power failure or induced draft fan failure does not exist; the manufacturing cost is low, and use cost is low, has satisfied the needs of low-cost, safe, high-efficient clean cooking of user and heating. Also widens the way for the energy regeneration of the agricultural and forestry wastes.

drawings

Fig. 1 is a front view of the present invention, fig. 2 is a sectional view taken along line a-a of fig. 1, fig. 3 is a plan view of fig. 1, fig. 4 is a rear view of fig. 1, and fig. 5 is a perspective view of the smoke deflector 18 of fig. 1. In the figure, 1 is a furnace body, 6 is an ash bin, 7 is a bin cover, 8 is a cooking stove opening cover, 16 is an upper panel, 17 is a base, 19-1 is a first ash removing door, 19-2 is a second ash removing door, 20-1 is a first air adjusting device, 20-2 is a second air adjusting device, 21 is an air inlet, 22 is a water outlet and 23 is a water return opening.

Detailed Description

The first embodiment is as follows: the present embodiment is described with reference to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5. The embodiment comprises a rectangular water jacket 2, a bin 3, a first combustion chamber 4, a second combustion chamber 5, a fire grate 9, a partition plate 10, a fire collecting plate 11, a conversion plate 12, an L-shaped shielding plate 13, a flue gas channel 14, a smoke exhaust port 15 and a flue gas guider 18, wherein the conversion plate 12 is arranged above the fire collecting plate 11 or the right rectangular water jacket 2 and the flue gas channel 14, the L-shaped shielding plate 13 is arranged at the left upper part of the second combustion chamber 5, the rectangular water jacket 2 and the flue gas channel 14 are arranged above the L-shaped shielding plate 13, the flue gas guider 18 is arranged in the flue gas channel 14, the smoke exhaust port 15 is arranged on the rear wall of the furnace body 1 above the flue gas channel 14 or the conversion plate 12, the fire grate 9 is arranged below the bin 3 and the first combustion chamber 4, the partition plate 10 is vertically arranged at the right end of the fire grate 9, the bin 3 is communicated with the first combustion chamber 4 and the second combustion chamber 5, when the conversion plate 12 is arranged above the rectangular, the first combustion chamber 4 is communicated with the smoke outlet 15 through the fire collecting plate 11, and when the conversion plate 12 is arranged above the fire collecting plate 11, the second combustion chamber 5 is communicated with the smoke outlet 15 through the smoke channel 14.

The second embodiment is as follows: this embodiment is described in conjunction with fig. 2 and 5. The smoke deflector 18 of the embodiment comprises a lapping plate 18-1, a stand column 18-2 and deflector pieces 18-3, wherein the lapping plate 18-1 is arranged at the upper end of the stand column 18-2, a plurality of deflector pieces 18-3 are arranged, and the deflector pieces 18-3 are arranged on the stand column 18-2.

The third concrete implementation mode: this embodiment is described in conjunction with fig. 2 and 5. The lapping plate 18-1 arranged at the upper end of the flue gas flow guider 18 in the flue gas channel 14 is lapped with the upper ends of two adjacent rectangular water jackets 2, and the lapping plate can be detached, cleaned and replaced.

The fourth concrete implementation mode: this embodiment is described in conjunction with fig. 2 and 5. The outer end parts of the deflector pieces 18-3 of the flue gas deflector 18 in the embodiment are attached to the front and rear inner walls of the furnace body water jacket 24. The rectangular water jacket 2 is communicated with the furnace body water jacket 24.

The working principle is as follows:

The feed bin 3 is added with biomass fuel, the biomass fuel is ignited by inflammable matters, after the biomass fuel enters a normal combustion state, under the action of the suction force of a chimney, volatile matters separated out from the biomass fuel are mixed with combustion-supporting air and are fully combusted, and flame enters the first combustion chamber 4 and the fire collecting plate 11 during cooking and is discharged out of outdoor atmosphere through the smoke outlet 15. This state is the cooking and water boiling function, and the change-over plate 12 is located above the rectangular water jacket 2 and the flue gas channel 14. During heating, the flame is exhausted out of the outdoor atmosphere through the first combustion chamber 4, the second combustion chamber 5 and the smoke channel 14 through the smoke exhaust port 15; the water in the rectangular water jacket 2 can be used for heating radiators or geothermal pipes after being heated. The transfer plate 12 is now above the fire collecting plate 11.

the above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and concepts should be covered within the scope of the present invention.

Claims (5)

1. The utility model provides an improved generation biomass fuel cooking heating stove, it comprises rectangle water jacket (2), feed bin (3), first combustion chamber (4), second combustion chamber (5), grate (9), baffle (10), fire gathering plate (11), change-over panel (12), L type shielding plate (13), flue gas passageway (14), exhaust port (15) and flue gas divertor (18), its characterized in that: the conversion plate (12) is arranged above the fire collecting plate (11) or the right rectangular water jacket (2) and the smoke channel (14), the L-shaped shielding plate (13) is arranged above the left of the second combustion chamber (5), the rectangular water jacket (2) and the smoke channel (14) are arranged above the L-shaped shielding plate (13), the smoke channel (14) is internally provided with a smoke deflector (18), the rear wall of the furnace body (1) above the smoke channel (14) or the conversion plate (12) is provided with a smoke outlet (15), the fire grate (9) is arranged below the bin (3) and the first combustion chamber (4), the partition plate (10) is vertically arranged at the right end of the fire grate (9), the bin (3) is communicated with the first combustion chamber (4) and the second combustion chamber (5), when the water jacket (12) is arranged above the rectangular water jacket (2) and the smoke channel (14), the first combustion chamber (4) is communicated with the smoke outlet (15) through the fire collecting plate (11), when the conversion plate (12) is arranged above the fire collecting plate (11), the second combustion chamber (5) is communicated with the smoke outlet (15) through the smoke channel (14).

2. An improved biomass-fueled cooking and heating furnace as claimed in claim 1, wherein: the smoke deflector (18) consists of a lapping plate (18-1), an upright post (18-2) and a deflector sheet (18-3), wherein the lapping plate (18-1) is arranged at the upper end of the upright post (18-2), and the deflector sheet (18-3) is arranged on the upright post (18-2).

3. An improved biomass-fueled cooking and heating furnace as claimed in claim 1, wherein: the lapping plate (18-1) arranged at the upper end of the flue gas flow guider (18) in the flue gas channel (14) is lapped with the upper ends of the two adjacent rectangular water jackets (2).

4. An improved biomass-fueled cooking and heating furnace as claimed in claim 1, wherein: the number of the fluid director pieces (18-3) is multiple.

5. An improved biomass-fueled cooking and heating furnace as claimed in claim 1, wherein: the outer end parts of the fluid director pieces (18-3) of the flue gas fluid director (18) are attached to the front and rear inner walls of the furnace body water jacket (24).