CN211650350U - Rotary airflow energy-gathering gas hearth - Google Patents

Abstract

The utility model discloses an air current that circles round gathers can gas furnace, furnace adopt thermal insulation material to make, and for the shape of a hoof structure, furnace one side bottom department is equipped with the air intake, is equipped with whirl guide wall in the furnace, divide into main combustion area and supplementary combustion area with furnace, main combustion area and air intake intercommunication, the space of formation can guide the interior combustion air current of furnace to form the high-speed cyclone that makes progress to abundant burning. The auxiliary combustion area is not combusted, the temperature is lower than that of the main combustion area, so that combustion temperature difference is generated to form reverse rotation, external air is introduced, preheated and heated, enters the main combustion area along one side of the lower part of the rotational flow guide wall, and is mixed with combustion air of the air inlet to perform auxiliary combustion. The utility model discloses can effectively prolong the gas dwell time in furnace, the increasing heat efficiency saves the gas consumption to reach energy saving and consumption reduction's purpose, the air inlet sets up in the below of furnace one side, stops the jam of dregs of fat, the water stain that drops when upper portion cooks to the furnace end and to the damage of combustor.

Description

Rotary airflow energy-gathering gas hearth

Technical Field

The utility model relates to a gas furnace especially relates to an air current that circles round gathers can gas furnace.

Background

At present, the kitchen gas hearth structure commonly used in China is a cylinder, inverted cone and cylindrical hearth structure, an air inlet burner is arranged at the center of the bottom of the kitchen gas hearth structure, and the kitchen gas hearth structure is used for feeding gas into a hearth through air mixing combustion fed by an air blower in the process of further high-temperature combustion. During combustion, high-temperature gas generates high heat during combustion, rises upwards, directly overflows from the top of the hearth, stays in the hearth for a short time, and cannot be sufficiently combusted, so that a large amount of heat loss is caused.

Therefore, the current universal hearth has the defects of short high-temperature combustion time, insufficient combustion, low heat energy efficiency, high combustion power consumption and the like, and meanwhile, the furnace end is arranged at the bottom and is easily blocked by oil residue, water stain and the like falling off during upper cooking to influence combustion, so that the combustor is damaged.

The U-shaped structure is a structure with three sides forming a U shape.

Disclosure of Invention

An object of the utility model is to provide a solve above-mentioned problem, extension high temperature gas is at furnace dwell time, and the burning is more abundant, improves thermal efficiency to reach the air current that circles round of energy saving and consumption reduction's purpose and gather can gas furnace.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a rotary airflow energy-gathering gas hearth comprises a hearth, wherein the hearth is of a horseshoe-shaped structure with an open top and is made of heat-insulating materials, an air inlet communicated with the inside of the hearth is formed in one side of the hearth, close to the bottom of the hearth, the air inlet is used for being connected with a burner, and a rotational flow guide wall is arranged in the hearth, right opposite to the air inlet;

the cyclone guide wall is arranged on one side, far away from the air inlet, in the hearth, and divides the hearth into two areas with different sizes, wherein the area communicated with the air inlet is large in space and is a main combustion area, and the other area is small in space and is an auxiliary combustion area;

the cross section and the longitudinal section of the cyclone guide wall are both arc-shaped, the circle centers of the cross section and the longitudinal section face to the center of the hearth, the bottom of the cyclone guide wall is fixedly connected with the bottom in the hearth, two sides of the cyclone guide wall are respectively fixedly connected with two sides of the inner wall of the hearth, the top is an inclined plane, the highest part of the inclined plane is close to the top of the hearth, the lowest part of the inclined plane is close to the bottom of the hearth, and the wall thickness of the cyclone guide wall is sequentially increased from the center to;

the side wall of the hearth is made of heat-insulating materials, and a circle of support is arranged on the edge of the top of the hearth.

Preferably, the method comprises the following steps: the bottom of the auxiliary combustion area is an inclined plane, and the inclined direction of the inclined plane is the same as that of the inclined plane at the top of the cyclone guide wall. From the utility model discloses a structure can know: the utility model discloses mainly reform transform traditional furnace's structure, furnace adopts the open shape of a hoof structure in top, side to set up the air intake, increase the whirl and guide the wall, and the structure is special, mainly embodies:

(1) the combustion chamber comprises a hearth with a horseshoe-shaped structure and an air inlet positioned at the bottom of one side of the hearth, and the structure utilizes the aerodynamic principle to enable combustion airflow to form energy-gathered cyclone, so that air of the hearth is fully mixed, and the combustion efficiency is improved.

(2) The cyclone guide wall is additionally arranged, namely the circular arc inclined partition wall arranged on one side in the hearth is special in structure, and the inside of the hearth can be separated into two spaces with different sizes according to functions. Wherein, the large space communicated with the air inlet is a main combustion area, and the other small space is an auxiliary combustion area. Because the cyclone guide wall is just opposite to the air inlet, the top of the cyclone guide wall is an inclined plane, one side of the cyclone guide wall is high, and the other side of the cyclone guide wall is low, the two spaces of the main combustion area and the auxiliary combustion area are not completely separated, but can be communicated at the low side and the high side.

(3) The working principle of the main combustion zone and the auxiliary combustion zone is as follows: the main combustion area is communicated with the air inlet, and the space formed by combining the arc-shaped structure of the rotational flow guide wall and the inner wall of the horseshoe-shaped structure of the hearth can guide the combustion airflow in the hearth to form high-speed upward cyclone and fully combust. The auxiliary combustion area is not combusted, the temperature is lower than that of the main combustion area, so that combustion temperature difference is generated to form reverse rotation, external air is introduced, preheated and heated, enters the main combustion area along the lower side of the rotational flow guide wall, and is mixed with combustion air of the air inlet to perform auxiliary combustion, and therefore fuel energy consumption is saved.

(4) The cyclone guide wall is opposite to the air inlet, the cross section and the longitudinal section are both arc-shaped, the circle centers of the cross section and the longitudinal section face the center of the hearth, and by adopting the structure, the combustion area formed by the cyclone guide wall and the side wall of the hearth where the air inlet is located is integrally in a shape with a smaller bottom, a larger middle part and a wider top.

(5) The top of the rotational flow guide wall is an inclined plane, combustion air flow in the main combustion area accelerates upwards along the inclined plane to form ascending high-temperature cyclone to a hearth opening, and preheated air in the auxiliary combustion area enters the main combustion area along the reverse lower opening of the inclined plane to be mixed with combustion air of the air inlet for auxiliary combustion under the reverse rotation effect.

(6) The cyclone guide wall is thin in the middle and thick on two sides, and has certain mechanical strength.

Compared with the prior art, the utility model has the advantages of: novel structure is special, can effectively prolong the dwell time of gas in furnace, and the abundant burning improves the temperature, increases heat energy exchange time, and the increasing the heat efficiency saves the gas consumption to reach energy saving and consumption reduction's purpose, the furnace air inlet sets up in the below of furnace one side simultaneously, thereby stops dregs of fat, the waterlogging that drop when upper portion cooks and to the jam of furnace end, effectively avoids the damage to the combustor.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a sectional view B-B of fig. 1.

In the figure: 1. a hearth; 2. an air inlet; 3. a swirl guide wall; 4. a primary combustion zone; 5. a secondary combustion zone; 6. a support; 7. a bevel.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1: referring to fig. 1 to 3, a swirling airflow energy-gathering gas hearth comprises a hearth 1, wherein the hearth 1 is of a horseshoe-shaped structure with an open top and is made of heat-insulating materials, an air inlet 2 communicated with the inside of the hearth is formed in a position, close to the bottom, of one side of the hearth 1, the air inlet 2 is used for being connected with a burner, and a swirling flow guide wall 3 is arranged in the hearth 1 and is opposite to the air inlet 2;

the cyclone guide wall 3 is arranged on one side, far away from the air inlet 2, in the hearth 1, and divides the hearth 1 into two areas with different sizes, wherein the area communicated with the air inlet 2 is large in space and is a main combustion area 4, and the other area is small in space and is an auxiliary combustion area 5;

the cross section and the longitudinal section of the cyclone guide wall 3 are both arc-shaped, the circle centers of the cross section and the longitudinal section face to the center of the hearth 1, the bottom of the cyclone guide wall 3 is fixedly connected with the bottom in the hearth 1, two sides of the cyclone guide wall are respectively fixedly connected with two sides of the inner wall of the hearth 1, the top is an inclined plane 7, the highest part of the inclined plane 7 is close to the top of the hearth 1, the lowest part of the inclined plane 7 is close to the bottom of the hearth 1, and the wall thickness of the cyclone guide wall 3 is sequentially increased from the center to;

the side wall of the hearth 1 is made of heat-insulating materials, and a circle of support 6 is arranged on the edge of the top of the hearth 1.

The bottom of the auxiliary combustion area 5 is provided with an inclined plane 7, and the inclined direction is the same as the inclined plane 7 at the top of the rotational flow guide wall 3.

Based on above-mentioned structure, combine the high-speed gas of insufflating from the air inlet, the utility model discloses a theory of operation as follows:

(1) the gas of mixed air forms mixed combustion gas, through the effect of combustor power, gets into the combustion area of furnace 1 from the air inlet of furnace 1 side below, gets into the combustion area bottom at first, and bottom and middle part are than, though the volume is less, but compare with the air inlet, the volume increases rapidly, so mixed combustion gas gets into the combustion area bottom after, can spread rapidly and slow down, so we call the combustion area bottom diffusion zone.

(2) The mixed combustion gas that the diffusion zone was spread out can be at combustion zone middle part high temperature combustion, again because receive the high temperature fluid effect to rise to 3 tops of whirl guide wall, along 3 top inclined planes 7 of whirl guide wall, make the gaseous high-speed whirl of formation of high temperature burning, high-speed whirl can further fully burn on the one hand to improve the temperature with higher speed, on the other hand, can draw in more air from 1 top of furnace, thereby with more air contact, make the gas can more fully burn.

(3) The backward flow district that whirl guide wall 3 and furnace 1 formed because the backward flow district itself does not carry out high temperature combustion, so compare with the combustion area, can form the local difference in temperature, based on hot-air upward movement, the principle that cold air can the downstream, the cold air that is pulled in by above-mentioned (2) can the downstream, follow the minimum on 3 top edges of whirl guide wall, get into the combustion area, burn the interior co-combustion with the charcoal, thereby improve burning thermal energy efficiency, save the gas.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (2)

1. The utility model provides a whirly airflow gathers can gas furnace, includes a furnace, its characterized in that: the hearth is of a horseshoe-shaped structure with an open top and is made of heat-insulating materials, an air inlet communicated with the interior of the hearth is formed in one side of the hearth, close to the bottom of the hearth, and is used for being connected with a burner, and a rotational flow guide wall is arranged in the hearth, right opposite to the air inlet;

the cyclone guide wall is arranged on one side, far away from the air inlet, in the hearth, and divides the hearth into two areas with different sizes, wherein the area communicated with the air inlet is large in space and is a main combustion area, and the other area is small in space and is an auxiliary combustion area;

the cross section and the longitudinal section of the cyclone guide wall are both arc-shaped, the circle centers of the cross section and the longitudinal section face to the center of the hearth, the bottom of the cyclone guide wall is fixedly connected with the bottom in the hearth, two sides of the cyclone guide wall are respectively fixedly connected with two sides of the inner wall of the hearth, the top is an inclined plane, the highest part of the inclined plane is close to the top of the hearth, the lowest part of the inclined plane is close to the bottom of the hearth, and the wall thickness of the cyclone guide wall is sequentially increased from the center to;

the side wall of the hearth is made of heat-insulating materials, and a circle of support is arranged on the edge of the top of the hearth.

2. The swirl flow energy concentrating gas fired furnace of claim 1, wherein: the bottom of the auxiliary combustion area is an inclined plane, and the inclined direction of the inclined plane is the same as that of the inclined plane at the top of the cyclone guide wall.

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