CN211260795U

CN211260795U - Upper air inlet furnace head and upper air inlet burner

Info

Publication number: CN211260795U
Application number: CN201921379537.8U
Authority: CN
Inventors: 孙祖汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-08-14
Anticipated expiration: 2029-08-23

Abstract

The utility model provides an upper air inlet furnace head and upper air inlet burner, include the furnace chamber part and draw the portion of penetrating, the furnace chamber part is provided with outer loop gas mixing chamber and the tonifying qi hole of supplementing the air for the combustor, draw the portion of penetrating including connecting portion and drawing the portion of penetrating, should draw the below that penetrates the portion and lie in the tonifying qi hole, connecting portion intercommunication outer loop gas mixing chamber through drawing the portion of penetrating to set up in the below of tonifying qi hole for the roof that draws the portion of penetrating is not shared with the diapire of furnace chamber part, has reduced from furnace chamber part heat transfer to drawing the portion of penetrating, and the air is compensated from bottom to top in tonifying qi hole department simultaneously, makes to radiate from the tonifying qi hole to drawing the portion of penetrating go up the heat very few, has avoided drawing the portion of penetrating to burn in advance because of the temperature is overheated.

Description

Upper air inlet furnace head and upper air inlet burner

Technical Field

The utility model belongs to the technical field of cooking utensils and specifically relates to an go up air inlet furnace end and go up air inlet burner.

Background

The existing upper air inlet furnace end and the existing suspension furnace end are structurally characterized in that an injection pipe is arranged below a furnace chamber part, the injection pipe is approximately arranged on the lower part of a circular furnace chamber and is attached to the lower end face of the circular furnace chamber, the injection pipe is a small section of straight pipe which extends to be close to the outer edge of the furnace chamber to form an arc shape, extends towards the furnace chamber and is communicated with the furnace chamber, and after the burner is sold and used, the lower surface of the furnace chamber of the burner after sale and the injection pipe are often burnt out and deformed; generally, the stove tempering is caused by the following reasons: 1. improper damper adjustment, or too few inserted parts or displacement; 2. the furnace end has air leakage condition to cause tempering phenomenon; 3. the fire hole of the furnace end is blocked by impurities such as carbon deposit and the like; 4. cracking or deforming the burner; the condition of large tracts of land tempering is not enough to constitute through long-time detection and investigation discovery above-mentioned reason, through a large amount of observations, analysis, summarize above-mentioned draw and penetrate the pipe backfire and burn out, it is public with the furnace chamber bottom surface owing to draw penetrating the pipe roof with suspension furnace end on the deformation, lead to the combustor when burning, the heat is transmitted to drawing and penetrates the pipe roof from the furnace chamber, lead to the gas to get into easily under the long-time accumulation of heat and draw penetrating the pipe just to burn in advance, cause the phenomenon of tempering, this very big influence the quality of last air inlet furnace end and suspension furnace end, there is very big potential safety hazard again, simultaneously because draw penetrating the length of pipe shorter, air and gas mix inequality, influence combustion efficiency, the gas burning is not abundant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point in the prior art, provide an go up air inlet furnace head, aim at having changed and penetrated the connection structure of pipe and furnace chamber, avoid penetrating the pipe overheated and increase the length of penetrating the pipe, improve combustion efficiency and make the gas combustion abundant.

In order to achieve the above purpose, the utility model adopts the following scheme:

the utility model provides an go up air inlet furnace head, includes furnace chamber part and at least one draws and penetrates the part, the furnace chamber part is provided with outer loop air mixing chamber, draw and penetrate the part including connecting portion and drawing portion, draw penetrate the portion with the furnace chamber has the clearance between the part, connecting portion intercommunication outer loop air mixing chamber makes through drawing portion and furnace chamber part and penetrates portion and furnace chamber part not sharing wall, reduces from furnace chamber part to drawing portion heat transfer, avoids burning in advance.

In one or more embodiments, the injection part is further provided with an air supplement hole, a ventilation and heat dissipation space is formed in a gap between the injection part and the furnace chamber part, the temperature of the injection part is further reduced, advanced combustion is avoided, the injection part is positioned below the air supplement hole, the injection part is arranged below the air supplement hole, the top wall of the injection part and the bottom wall of the furnace chamber part are not shared, heat transfer from the furnace chamber part to the injection part is reduced, air at the air supplement hole is compensated from bottom to top, heat radiated from the air supplement hole to the injection part is little, advanced combustion caused by overheating of the injection part is avoided, the length of the injection part can be prolonged, and the combustion efficiency is improved.

In one or more embodiments, the caliber of the injection part becomes larger from smaller to larger to form a front horn structure and a rear horn structure, so that the injection regulation is met, and the injection capacity is improved.

In one or more embodiments, a wind shield is arranged at the air inlet of the ejection portion, and the wind shield is arranged on the left side or the right side or the left side and the right side of the air inlet to prevent cross wind from affecting ejection effect.

In one or more embodiments, the air inlet is provided with an air adjusting plate, and the outer edge of the air adjusting plate is provided with adjusting teeth so as to adjust the air inlet volume, so that the fuel gas can be fully combusted, and the combustion efficiency is improved.

In one or more embodiments, draw the portion of penetrating and be close to furnace chamber center setting, and be located furnace chamber center one side or the length of penetrating the portion in order to increase on the multilateral, and then improve the mixed degree of air and gas, improve combustion efficiency, avoid burning inadequately.

In one or more embodiments, a supporting block is disposed below the injection portion to ventilate a space between the panel and the injection portion for heat dissipation.

In one or more embodiments, the air supply hole is provided with a heat insulation sheet, and the heat insulation sheet is provided with a plurality of ventilation holes or is not provided with the ventilation holes so as to block heat from radiating to the injection part.

Has the advantages that: the utility model provides an upper air inlet furnace head is through drawing the below that penetrates the portion setting in the tonifying qi hole for draw the roof of penetrating the portion and the diapire of furnace chamber part not share, reduced from furnace chamber part heat transfer to drawing the portion, compensate from bottom to top at tonifying qi hole department air simultaneously, it is very few to radiate from the tonifying qi hole to drawing the portion heat of penetrating, has avoided drawing the portion of penetrating to burn in advance because of the temperature is overheated.

Drawings

Fig. 1 is a schematic structural view of an upper air inlet furnace head in the embodiment of the present invention.

Fig. 2 is a schematic view of the bottom structure of the upper air intake furnace head according to the embodiment of the present invention.

Fig. 3 is another schematic structural diagram of the bottom surface of the upper air inlet furnace head according to the embodiment of the present invention.

Detailed Description

The application scheme is further described below with reference to the accompanying drawings:

example (b):

referring to fig. 1-3, an upper air inlet furnace head comprises a furnace chamber part 1 and an injection part 2, wherein the furnace chamber part 1 is communicated with the injection part 2, the furnace chamber part 1 is provided with an outer annular air mixing cavity 11 and an air supplement hole 12 for supplementing air to a burner, the injection part 2 comprises a connecting part 21 and an injection part 22, the injection part 22 is positioned below the air supplement hole 12, the connecting part 21 is communicated with the outer annular air mixing cavity 11, and a gap is formed between the top surface of the injection part 22 and the bottom surface of the furnace chamber part 1 to form a ventilation and heat dissipation space 26.

Preferably, the air supply hole 12 is a non-air hole formed in the space between the central air mixing cavity 15 and the outer air mixing cavity 11.

Further, the caliber of the injection part 22 becomes larger from smaller to larger to form a front horn and a rear horn structure.

Further, a wind shield 24 is arranged at the air inlet of the injection part 22, and the wind shield 24 is arranged on the left side or the right side or both the left side and the right side of the air inlet.

Further, an air adjusting plate 23 is arranged at the air inlet, and adjusting teeth are arranged on the outer edge of the air adjusting plate 23 so as to adjust the air adjusting plate 23.

Further, the injection part 22 is disposed near the center of the oven cavity and is located on one side or multiple sides of the center of the oven cavity.

Further, a supporting block 25 is provided below the injection part 22 to ventilate a space with the panel.

Further, a heat insulating sheet 14 is provided in the air supply hole 12, and a plurality of ventilation holes or no ventilation hole is provided in the heat insulating sheet 14.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. The upper air inlet furnace head is characterized by comprising a furnace cavity part and at least one injection part, wherein an outer ring air mixing cavity is arranged in the furnace cavity part, the injection part comprises a connecting part and an injection part, a gap is formed between the injection part and the furnace cavity part, and the connecting part is communicated with the outer ring air mixing cavity.

2. The upper air inlet furnace head according to claim 1, further comprising an air supplement hole, wherein a ventilation and heat dissipation space is formed in a gap between the injection part and the furnace chamber part, and the injection part is located below the air supplement hole.

3. The upper air inlet furnace head according to claim 1, wherein the caliber of the injection part is changed from small to large to form a front horn and a rear horn structure.

4. The upper air inlet furnace head according to claim 1, wherein a wind shield is arranged at the air inlet of the injection part and is arranged on the left side or the right side or both the left side and the right side of the air inlet.

5. The upper air intake jamb of claim 4, wherein an air register is provided at the air inlet, said air register having a plurality of teeth on an outer edge thereof.

6. The upper air intake burner of claim 1, wherein the eductor part is disposed near a center of the oven cavity and is located on one or more sides of the center of the oven cavity.

7. The upper air intake stoke according to claim 2, wherein a support block is provided below the ejector to form a ventilation space with the panel.

8. The upper air intake stoke according to claim 2, wherein the air supply holes are provided with a heat insulating sheet provided with a plurality of ventilation holes or without the ventilation holes.

9. An upper inlet burner comprising the upper inlet jamb of any of claims 1 to 8.