Upper air inlet combustor and gas stove equipped with upper air inlet combustor

A technology for burners and gas passages, which is applied in the field of upward-inlet burners and gas stoves equipped with upward-inlet burners, and can solve the problems of burners with large thermal loads, limited increase in the length of ejector tubes, and large nozzle mounting bases. and other problems, to achieve good cleaning function, enhanced ejection effect, and compact structure

Pending Publication Date: 2018-12-18
吴钰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the upward air-intake burner whose ejector adopts a parallel arrangement structure, there are mostly two outer ring ejectors, and there are mostly two corresponding nozzle mounting seats, and they are far apart; The nozzles corresponding to the ejectors are concentrated on the same nozzle mounting seat, but due to the distance between the nozzles, the size of the nozzle mounting seat is large, which affects the appearance of the cooker; in addition, because the gas channels of the two outer ring nozzles are formed by the same The gas channel is composed of two branch channels, so that the gas channel is longer, which is not conducive to reducing the flow loss of gas
[0004] Chinese patents "Burner with backflow pressurized

Method used

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  • Upper air inlet combustor and gas stove equipped with upper air inlet combustor
  • Upper air inlet combustor and gas stove equipped with upper air inlet combustor
  • Upper air inlet combustor and gas stove equipped with upper air inlet combustor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0047] Example 1

[0048] The burner main body and burner mounting base of this embodiment are all formed by aluminum die-casting.

[0049] Such as Figure 1-9 As shown, the upper air inlet burner described in this embodiment 1 at least includes a burner body 1 and a burner mounting base 2. The burner body has two angles between 55° and 65° at the bottom of the burner body. °, and symmetrically distributed outer ring ejector A, the intersection of the center axes of the two outer ring ejectors is located close to the outside of the burner body, at a distance of 25 to 40 mm from the inlet end of the ejector; eject in the two outer rings Between the burners, there is an inner ring ejector B. The center axis of the inner ring ejector coincides with the angle symmetry plane of the two outer ring ejectors; below the burner body, it corresponds to the inlet of the outer ring ejector The burner main body installation and positioning grooves D1 and D2 are respectively provided at the end a...

Example Embodiment

[0062] Example 2

[0063] This is another typical structure of the upper air inlet burner of the present invention. The burner body is made of stainless steel sheet metal parts, and the ejector tube and the burner fixed mounting seat are made of aluminum die casting.

[0064] This embodiment differs from embodiment 1 only in that the burner body is stretched and formed from stainless steel sheet; the mounting boss with threaded holes on the lower part of the burner body is formed by a welding structure; the upper part of the burner body and The diversion boss on the central part of the burner body has a circular structure; the shape of the fitting position of the upper part of the burner body and the outer ring fire cover can be determined according to the structure of the outer ring fire cover; for the central part of the burner body, the inner ring The fire cover mounting seat and the main part of the burner body are a combined structure, and the shape of the matching position wi...

Example Embodiment

[0066] Example 3

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PUM

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Abstract

The invention discloses an upper air inlet combustor. The upper air inlet combustor at least comprises a combustor main body and a combustor mounting base, wherein a ring-shaped gas mixing cavity is additionally arranged at the outer side of the combustor main body; an included-angle type outer ring ejector is arranged on the bottom non-center part of the combustor, so that the length of the outerring ejector is remarkably increased; and on the combustor mounting base, two outer ring spray nozzles share one spray nozzle mounting base and one fuel gas channel, so that flow loss, in the spray nozzle base, of gas is reduced, and the outer ring spray nozzle mounting base is more compact in structure. According to the gas stove disclosed by the invention, two openings which correspond to the spray nozzle mounting base on the combustor mounting base are formed in a liquor containing disc. The upper air inlet combustor has the beneficial effects that: combustion performances are remarkably improved, thermal load of the gas stove can be 4.0-4.5 kW, and heating efficiency can meet primary energy efficiency requirements; and the combustor main body adopts aluminum die casting or plate stretch-forming. The gas stove can realize an ultrathin structure, is free of holes in a stove surface; and the combustor is convenient to dismount, and is easier to clean and maintain.

Description

Technical field [0001] The invention relates to a burner and a gas stove, in particular to an upper air inlet burner and a gas stove equipped with the upper air inlet burner. Background technique [0002] A gas stove equipped with an air inlet burner, the air required for combustion is replenished from the top of the stove panel, and there is no need to open air holes on the cabinet, so it is very popular in the market. However, due to the limitation of the appearance and installation structure of the upper air inlet burner, the ejector of the burner is relatively short, resulting in a relatively small thermal load of the burner, which limits the development of gas stoves equipped with upper air inlet burners. [0003] The ejector of the upper air inlet burner is divided into two types: upright ejector and non-upright ejector. For burners with vertical ejector, the nozzle mounting seat is mostly cup-shaped. On gas stoves equipped with this type of burner, after removing the upper ...

Claims

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Application Information

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IPC IPC(8): F23D14/04F23D14/46F23D14/64F24C3/08
CPCF23D14/04F23D14/46F23D14/64F24C3/085
Inventor 吴钰吴成年
Owner 吴钰
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