CN212005795U - An integral energy-gathering stove - Google Patents

Abstract

An integral energy-gathering furnace frame comprises a combustor and an energy-gathering ring, wherein the energy-gathering ring is arranged on the periphery of the combustor and comprises an annular upper cover body, a lower cover body and a bearing substrate, the upper cover body and the lower cover body are arranged in a manner of sinking towards the direction of a central axis in an inclined manner, the bearing substrate is arranged on the periphery of the combustor in a surrounding manner, the lower cover body is placed on the upper end face of the bearing substrate, the upper cover body is connected above the lower cover body and forms an air preheating channel with a closed outer end part and an opened inner end part with the lower cover body and the bearing substrate, a plurality of air inlets for secondary air to enter the air preheating channel are formed in the lower cover body close to the outer side edge, and an air outlet gap communicated with the air preheating channel is formed between the inner; this gather can encircle through the secondary air in the heat heated air preheating channel, make the gas that the combustor sprays mix with the secondary air and burn again, can make combustion efficiency improve, the burning is abundant, and nitrogen oxide effectively reduces, and is energy-concerving and environment-protective.

Description

An integral energy-gathering stove

technical field

The utility model relates to the field of gas stoves, in particular to an integral energy-gathering stove rack.

Background technique

In the actual use of the existing gas stove, because the pot is placed on the pot support for heating, there is a certain space interval between the pot and the burner, so that the heat energy generated by the gas combustion is not only used to heat the pot, but also has a considerable amount of heat. Part of it escapes into the surrounding environment, causing energy waste; in order to solve the above problems, some heat-collecting and energy-concentrating structures have been installed on the periphery of the burner in recent years, but the flue gas of this structure cannot be discharged smoothly, causing the flue gas to accumulate in the boiler In the end, it reaches the inner space of the energy collecting cover, so that the resistance of the secondary air supplementary channel to supplement the secondary air increases, and the supplementary air cannot be supplemented, so that the burner burns incompletely, the thermal efficiency decreases, and at the same time, toxic and harmful gases such as carbon monoxide are generated. Therefore, it is necessary to Further improvements to the energy-gathering cover.

Utility model content

The purpose of the utility model is to solve the above-mentioned existing problems, and to provide an integral energy-gathering furnace frame with a simple and reasonable structure. .

An integral energy-gathering furnace frame includes a burner and an energy-gathering ring, the energy-gathering ring is arranged on the periphery of the burner, and the energy-gathering ring includes a circular upper cover body, a lower cover body and a supporting substrate, and the upper cover The body and the lower cover are inclined and set down toward the central axis, the supporting base plate is arranged around the outer circumference of the burner, the lower cover is placed on the upper end face of the supporting base plate, the upper cover is connected above the lower cover, and is connected with the lower cover. The cover body and the supporting substrate form an air preheating channel with closed outer ends and open inner ends, and the lower cover body is provided with a number of air inlets for the secondary air to enter the air preheating channel on the outer edge. The inner edge of the upper cover body and the outer end face of the burner form an air outlet gap communicating with the air preheating channel;

The energy-gathering ring has a simple structure and low production cost. The heat generated by the burner is radiated to the bottom of the cookware in a concentrated manner to improve the heating efficiency of the cooker. The heat is used to heat the secondary air in the air preheating channel, so that the burner sprays Gas and secondary air are mixed and burned, which can improve the combustion efficiency, fully burn, effectively reduce nitrogen oxides, save energy and protect the environment. Other factors affect replenishment efficiency.

The utility model can also adopt the following technical measures to solve:

For further explanation, the cross section of the lower cover body is a straight inclined surface, the cross section of the upper cover body is provided with a concave arc surface on the inner side, and the air narrowed in the middle is formed by the combination of the arc surface and the inclined surface. Preheat the channel.

For further explanation, the outer edge of the upper cover body extends downward with an upper outer ring wall, the outer edge of the lower cover body extends upward with a lower outer ring wall, the bottom of the upper outer ring wall is provided with a stepped surface, and the upper outer ring wall passes through. The level difference surface is connected with the lower outer ring wall and smoothly transitions up and down.

For further description, the outer end surface of the burner is extended with a supporting step, and the supporting substrate is installed on the supporting step.

For further description, the burner includes a burner head and a sub-fire cover installed on the upper end of the burner head, and the outer peripheral surface of the sub-fire cover is provided with an upper-layer main fire hole group and a lower-layer small fire hole group, and the gas outlet of the lower-layer small fire hole group. The level of the end and the air gap is the same.

For further explanation, the upper main fire hole group is composed of a plurality of main fire holes, and the lower small fire hole group is composed of a plurality of small fire holes, and the main fire holes and the small fire holes are inclined upward to the outside.

For further explanation, the upper end surface of the energy collecting ring is evenly provided with a plurality of furnace support legs along the circumferential direction.

For further description, the upper cover body and the lower cover body are integral structures.

For further explanation, the support legs of the furnace rack are integrally connected with the upper cover body.

The beneficial effects of the present utility model are as follows:

The utility model relates to an integral energy-gathering hob. The energy-gathering ring has a simple structure and low production cost. The heat generated by the burner is concentratedly radiated to the bottom of the cooker, thereby improving the heating efficiency of the cooker, and heating the air preheating channel through the heat. The secondary air inside the burner mixes the gas injected by the burner with the secondary air for combustion, which can improve the combustion efficiency, achieve sufficient combustion, effectively reduce nitrogen oxides, save energy and protect the environment. The independent air preheating channel can avoid secondary air. When flowing to the fire hole, the replenishment efficiency is affected by the smoke, airflow and other factors.

Description of drawings

FIG. 1 is a schematic cross-sectional structure diagram of the utility model.

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 .

3 is a schematic diagram of the secondary air flow of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in FIG. 1 to FIG. 3, an integral energy-gathering grate includes a burner 1 and an energy-gathering ring 2. The energy-gathering ring 2 is arranged on the periphery of the burner 1, and the energy-gathering ring The upper cover body 3, the lower cover body 4 and the supporting base plate 5, the upper cover body 3 and the lower cover body 4 are disposed inclined downward in the direction of the central axis, the supporting base plate 5 is arranged around the outer periphery of the burner 1, and the lower cover body 4 It is placed on the upper end surface of the support substrate 5, the upper cover body 3 is connected above the lower cover body 4, and together with the lower cover body 4 and the support substrate 5 form an air preheating channel 6 with closed outer ends and open inner ends, The lower cover body 4 is provided with a plurality of air inlets 7 for entering the secondary air into the air preheating passage 6 near the outer edge. The inner edge of the upper cover body 3 is in communication with the outer end surface of the burner 1 The air outlet gap 8 of the air preheating channel 6 .

The energy-gathering ring has a simple structure and low production cost, and can radiate the heat generated by the burner 1 to the bottom of the cookware in a concentrated manner to improve the heating efficiency of the cooker. The injected gas is mixed with the secondary air and then burned, which can improve the combustion efficiency, fully burn, effectively reduce nitrogen oxides, save energy and protect the environment. , airflow, and other factors affect replenishment efficiency.

Tests show that after the secondary air is preheated, the thermal efficiency is increased by about 1.5% compared with the energy-gathering ring 2 without the air preheating channel 6, and the thermal efficiency of the burner 1 without the energy-gathering ring design is increased by 6% or more.

The cross section of the lower cover body 4 is a straight inclined surface 41, and the cross section of the upper cover body 3 is provided with a concave arc surface 31 on the inner side. The upper cover body 3 of this structure can radiate heat to the bottom of the cookware in a concentrated manner, which is convenient for exhausting the smoke generated after combustion, and when the secondary air enters the air preheating through the air inlet 7 When the passage 6 is used, the air preheating passage 6 narrowed in the middle can compress the secondary air, increase the internal pressure of the air preheating passage 6, and increase the air outlet speed when the air outlet gap 8 is discharged. The higher internal pressure can prevent the flue gas from passing through. The air outlet gap 8 flows backward, such as the air preheating channel 6, to block the entry of secondary air.

The outer edge of the upper cover body 3 extends downward with an upper outer ring wall 32, and the outer edge of the lower cover body 4 extends upward with a lower outer ring wall 42. The bottom of the upper outer ring wall 32 is provided with a level difference surface 33. The wall 32 is connected with the lower outer ring wall 42 through the stepped surface 33 and smoothly transitions up and down; the appearance lines of the energy gathering ring 2 are more smooth and regular, and the air tightness of the air preheating channel 6 is improved.

The outer end surface of the burner 1 is extended with a supporting step 101, and the supporting substrate 5 is installed on the supporting step 101. The structure is simple and the installation is convenient. The installation is completed by placing the supporting substrate 5 on the supporting step 101, and the bearing The support plate 5 can block the through hole between the burner 1 and the panel, so that the cooker is more beautiful.

The burner 1 includes a burner head 11 and a sub-fire cover 12 installed on the upper end of the burner head 11. The outer peripheral surface of the sub-fire cover 12 is provided with an upper-layer main fire hole group and a lower-layer small fire hole group. The level of the air outlet end 122-1 is the same as that of the air outlet gap 8. This structure enables the secondary air to pass through the lower small fire hole group and the upper main fire hole group in turn when it is discharged through the air outlet gap 8, so that the two layers of fire hole groups and The secondary air is better mixed, the combustion efficiency is improved, and the mixing effect of flue gas is reduced.

The upper main fire hole group is composed of a plurality of main fire holes 121, and the lower small fire hole group is composed of a plurality of small fire holes 122. The main fire holes 121 and the small fire holes 122 are inclined upward to the outside, so that the main fire holes 121 And the small fire hole 122 injects the flame upwardly inclined, the flame is uniform, the heating efficiency is high, and the bottom of the pot is better heated.

The upper end surface of the energy gathering ring 2 is evenly provided with a number of stove rack legs 21 along the circumferential direction; the stove rack legs 21 are integrated into the energy gathering ring 2, so that the energy gathering ring 2 acts as a stove rack to support the pots and utensils. The cooktop has a more compact structure.

The upper cover body 3 and the lower cover body 4 have an integrated structure, and the upper cover body 3 and the lower cover body 4 can be produced in one piece according to the production process (such as die casting method), which can reduce the production and assembly processes and improve the production. efficiency.

The hob support legs 21 are integrally connected with the upper cover body 3 , so that the connection relationship is firmer, and the process of assembling the hob support legs 21 is omitted.

The above are the preferred solutions of the present invention, showing and describing the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. There will be various changes and improvements, which all fall within the scope of the claimed invention, which is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides an it is whole to gather ability furnace frame, includes combustor (1) and gathers ability ring (2), gathers ability ring (2) and sets up the periphery at combustor (1), its characterized in that: the energy gathering ring (2) comprises a circular upper cover body (3), a lower cover body (4) and a bearing base plate (5), the upper cover body (3) and the lower cover body (4) sink and incline towards the direction of the central axis, the bearing base plate (5) is arranged around the periphery of the combustor (1), the lower cover body (4) is arranged on the upper end face of the bearing base plate (5), the upper cover body (3) is connected above the lower cover body (4), and forms an air preheating channel (6) with a closed outer end part and an open inner end part with the lower cover body (4) and the bearing substrate (5), a plurality of air inlets (7) for secondary air to enter the air preheating channel (6) are arranged on the outer side edge of the lower cover body (4), an air outlet gap (8) communicated with the air preheating channel (6) is formed between the inner side edge of the upper cover body (3) and the outer end face of the combustor (1).

2. The integral energy concentrating grate of claim 1, wherein: the cross section of the lower cover body (4) is a straight inclined surface (41), a concave arc surface (31) is arranged on the inner side of the cross section of the upper cover body (3), and an air preheating channel (6) with a narrowed middle part is formed by combining the arc surface (31) and the inclined surface (41).

3. The integral energy concentrating grate of claim 1, wherein: the outer side edge of the upper cover body (3) extends downwards to form an upper outer ring wall (32), the outer side edge of the lower cover body (4) extends upwards to form a lower outer ring wall (42), the bottom of the upper outer ring wall (32) is provided with a level difference surface (33), and the upper outer ring wall (32) is connected with the lower outer ring wall (42) through the level difference surface (33) and is in smooth transition from top to bottom.

4. The integral energy concentrating grate of claim 1, wherein: the outer end face of the combustor (1) extends to form a bearing step (101), and a bearing substrate (5) is installed on the bearing step (101).

5. The integral energy concentrating grate of claim 1, wherein: the burner (1) comprises a burner (11) and a fire distribution cover (12) arranged at the upper end part of the burner (11), wherein an upper main fire hole group and a lower small fire hole group are arranged on the peripheral surface of the fire distribution cover (12), and the air outlet end (122-1) of the lower small fire hole group is consistent with the horizontal height of an air outlet gap.

6. The integral energy concentrating grate of claim 5, wherein: the upper main fire hole group consists of a plurality of main fire holes (121), the lower small fire hole group consists of a plurality of small fire holes (122), and the main fire holes (121) and the small fire holes (122) are obliquely arranged outwards.

7. The integral energy concentrating grate of claim 1, wherein: the upper end surface of the energy gathering ring (2) is uniformly provided with a plurality of furnace frame support legs (21) along the circumferential direction.

8. The integral energy concentrating grate of claim 1, wherein: the upper cover body (3) and the lower cover body (4) are of an integrated structure.

9. The integral energy concentrating grate of claim 7, wherein: the furnace frame support legs (21) are integrally connected with the upper cover body (3).

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