CN201209885Y - Novel direct combustion type biomass stove for household - Google Patents

Abstract

The utility model relates to a novel direct combustion biomass furnace, composed of a furnace body provided with a secondary air distribution chamber on cirumferential of the furnace body and a gas making chamber mounted inside the furnace body and a burner, characterized in that, the gas making chamber is of cylinder shape made of premium sheet, the burner is of cone shape made of premium sheet, the burner is axially butted with a rise of the gas making chamber and adopts a welding manner to fixed into an integer. The utility model has reasonable structure, scientific and reasonable design, premium sheet is used to process the gas making chamber and the burner, and advanced welding process is adopted to welding thereof into an integer, thereby ensuring reliable tightness of the gas making chamber and the burner in long time use; the primary air distribution and the secondary air distribution required in burning of the furnace are effectively separated, which are not colluded, thereby effectively increasing combustion quality, increasing heat efficiency of the furnace.

Description

New household direct-fired biomass stove

technical field

The utility model relates to a biomass stove, in particular to a novel household direct-fired biomass stove provided with an integrated gas-making chamber and a burner.

Background technique

Biomass, as the only renewable carbon source, has attracted more and more attention in today's increasingly tense energy environment. After years of exploration and research, the development and utilization of biomass, including biomass carbonization and gasification technology, has achieved considerable results, and has gradually replaced natural gas, coal gas and other energy sources and has been widely used. Household direct-fired biomass stoves have begun to be used in rural areas. They can conveniently use crop waste, such as straw, firewood, chaff, etc., to realize the biomass gasification process in the cooking stove, and the generated biomass gas It can provide energy for family cooking, boiling water, heating, etc. Not only can the thermal energy conversion rate of biomass combustion be improved, but it is also more environmentally friendly.

Household direct-fired biomass stoves are composed of a furnace body, a cylindrical gas chamber built in the furnace body and a cone-shaped burner, and a secondary air distribution chamber is set between the furnace body and the burner. At present, the gas chamber and the burner of the direct-fired biomass stove are made separately as two parts. The gas chamber is mostly made of mortar into a cylinder, and the burner is mostly made of cast iron into a cone shape. Then, the burner is butted and fixed on the upper part of the gas-making chamber by means of bonding. The defect of using this production method is that since the gas chamber and the burner are at high temperature for a long time, after a period of use, cracks are easily formed at the junction of the two, resulting in the automatic combustion of the direct-fired biomass stove. The primary air distribution entering from the bottom of the stove and the secondary air distribution entering from the upper part of the stove collude with each other, affecting the combustion effect and reducing the thermal efficiency of the stove.

Contents of the invention

The purpose of this utility model is to overcome the deficiencies of the prior art, to provide a new type of household direct-fired biomass stove in which both the gas chamber and the burner are made of steel plates and welded into one. It can maintain the sealed connection for a long time, effectively prevent the collusion between the primary air distribution and the secondary air distribution, and improve the thermal efficiency of the stove combustion.

The utility model solves its technical problem and realizes by taking the following technical solutions:

The new household direct-fired biomass stove is composed of a furnace body and a gas-making chamber installed inside the furnace body and a burner. The furnace body is provided with a secondary air distribution chamber located on the outer periphery of the burner. It is characterized in that: The air chamber is a cylinder made of high-quality steel plate, and the burner is a cone-shaped cylinder made of high-quality steel plate. The burner is coaxially connected to the upper edge of the gas chamber and welded to form a whole.

Moreover, gas distribution holes are formed on the upper edge of the cone-shaped burner, and the gas distribution holes are evenly spaced and staggered.

Advantage and positive effect of the present utility model are:

The utility model has simple structure and scientific and reasonable design. The gas chamber and the burner are processed by high-quality steel plates, and the two are welded together by advanced welding technology, which can ensure the reliable sealing of the gas chamber and the burner during long-term use. It effectively separates the primary air and the secondary air distribution required for the combustion of the stove, so that they do not communicate with each other, thereby effectively improving the combustion quality and improving the thermal efficiency of the stove.

Description of drawings

Fig. 1 is the front view (half section view) of the utility model.

Detailed ways

The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

This new type of household direct-fired biomass stove is composed of a furnace body 7, a gas-making chamber 6 installed inside the furnace body, and a burner 3. The furnace body is provided with a secondary air distribution chamber 4 located on the outer periphery of the burner. The secondary air distribution enters into the secondary air distribution chamber from the air inlet 5 through a pipeline (not shown in the figure), and is used for combustion of biomass gas. The primary air enters the gas chamber from the vent at the bottom of the furnace body for the generation of biomass gas. A feeding cylinder 2 is fixedly mounted on the upper edge of the burner. The bottom of the furnace body is provided with a fire grate 9, and the lower part of the furnace body is provided with an ash outlet and a ventilation door 8 is installed. On the top of the stove top 1, a rice steaming tray (not labeled) is supported by a steam pipe. The gas chamber is cylindrical made of high-quality steel plate, and the burner is cone-shaped made of high-quality steel plate. The burner is coaxially connected to the upper edge of the gas chamber and welded to form a whole. The upper edge of the cone-shaped burner is formed with gas distribution holes 10, and the gas distribution holes are evenly spaced and staggered. The stove has simple structure, scientific and reasonable design, and long service life. The gas chamber and burner are processed by high-quality steel plates, and the two are welded together by advanced welding technology, which can ensure the gas chamber and combustion chamber in long-term use. The reliable sealing of the device effectively separates the primary air and the secondary air distribution required for the combustion of the stove, so that they do not communicate with each other, thereby effectively improving the combustion quality and improving the thermal efficiency of the stove.

Claims (2)

1. novel family direct combustion type biomass stove tool, constitute by body of heater and the system air chamber and the burner that are installed on body of heater inside, be provided with the secondary distribution plenum that is positioned at the burner periphery in the body of heater, it is characterized in that: the system air chamber be quality steel plate be made cylindric, the awl tubular of burner for being made by quality steel plate, burner are coaxial docking in the upper edge of system air chamber and adopt welding manner to install and become one.

2. novel family according to claim 1 direct combustion type biomass stove tool is characterized in that: the place, burner upper edge of described awl tubular is shaped on combustion gas dispensing orifice, this uniform interval of combustion gas dispensing orifice layout straggly.

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