CN106287836B

CN106287836B - Mute furnace end

Info

Publication number: CN106287836B
Application number: CN201611022141.9A
Authority: CN
Inventors: 柳惠斌
Original assignee: Shanghai Joule Fluctuation Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shanghai Joule Fluctuation Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2016-11-21
Filing date: 2016-11-21
Publication date: 2023-09-26
Anticipated expiration: 2036-11-21
Also published as: CN106287836A

Abstract

The invention relates to a mute furnace end, which comprises a cylindrical inner liner and a cylindrical inner liner mounting hole, wherein the outer diameter of the inner liner is smaller than the inner diameter of the inner liner mounting hole, and the inner liner is arranged in the inner liner mounting hole, wherein the inner liner is formed by the following steps: the inner lining body is provided with through holes with large upper part, small middle part and large lower part. The upper part of the through hole is in a truncated cone shape with a wide upper part and a narrow lower part, the middle part is in a cylindrical shape, the lower part is in a truncated cone shape with a narrow upper part and a wide lower part, or the upper part of the through hole is in a trapezoid with a wide upper part and a narrow lower part, the middle part is in a cuboid shape, and the lower part is in a trapezoid with a narrow upper part and a wide lower part. The design of the invention adopts the classical venturi tube, and the influence of the classical venturi tube on the passing air flow is utilized, thereby reducing the hissing sound of flame and greatly reducing the generation of noise; the inner lining body can be obliquely arranged on the side wall of the hearth, so that the flame is rotary, and when the inner lining body is arranged in the mode, the holes of the required inner lining body mounting holes are shallow, the manufacturing is convenient, and the materials are saved.

Description

Mute furnace end

Technical Field

The invention relates to a combustion stove, in particular to a mute stove head.

Background

The fire hole of the furnace end used in the existing combustion furnace has different shapes and sizes, including round holes, triangular holes, strip slit holes and the like, but has the basic characteristic of being equal-diameter holes, namely, the upper and lower shapes of the fire holes are kept consistent. When flame burns on the fire hole, the flame can generate larger hiss sound and generate bad noise. The current open-range kitchen in the catering industry is powerful in development and has higher and higher requirements on the sound of the cooking range, so that the burner with extremely low noise has wide market prospect.

Disclosure of Invention

The invention aims to improve and innovate the defects and problems existing in the background technology, and provides a noise-less aperture-variable mute furnace end.

The technical scheme of the invention is to construct a mute furnace end, which comprises a cylindrical inner liner mounting hole and a cylindrical inner liner, wherein the outer diameter of the inner liner is smaller than the inner diameter of the inner liner mounting hole, and the inner liner is arranged in the inner liner mounting hole, wherein: at least one through hole with big upper part, small middle part and big lower part is arranged in the inner lining body,

in one embodiment, the upper part of the through hole is in a truncated cone shape with the upper part being wide at the bottom, the middle part is in a cylindrical shape, and the lower part is in a truncated cone shape with the upper part being narrow at the bottom.

In one embodiment, the upper part of the through hole is a trapezoid body with the upper part being wide at the bottom, the middle part is a cuboid, and the lower part is a trapezoid body with the upper part being narrow at the bottom.

The utility model provides a silence furnace end, includes three at least superimposed inside lining body, the inside lining body be the annular, set up the inside lining body at the upper portion and be first inside lining body, set up the inside lining body at the lower part and be the second inside lining body, set up the inside lining body in the centre and be the third inside lining body, wherein: the bottom of the cross section of the first lining body is a trapezoid with a wide upper part and a narrow lower part, the top of the cross section of the second lining body is a trapezoid with a narrow upper part and a wide lower part, the top of the cross section of the third lining body is a trapezoid with a narrow upper part and a wide lower part, the bottom of the cross section of the third lining body is a trapezoid with a wide upper part and a narrow lower part, the number of the third lining bodies is more than one, and supporting and separating devices are arranged between the lining bodies, so that a certain distance is kept between the adjacent lining bodies.

In one embodiment, the two ends of the channel formed by the supporting and separating device and the inner lining body in a matched mode are large, the middle of the channel is small, the outer side of the channel is in a truncated cone shape with the outer width and the inner width, the middle of the channel is in a cylindrical shape, and the inner side of the channel is in a truncated cone shape with the outer width and the inner width.

In one embodiment, the outside of the channel is a trapezoid body with the outer width and the inner width, the middle part is a cube, and the inner side is a trapezoid body with the outer width and the inner width.

In one embodiment, the channel forms an angle of 0-45 degrees with the radial direction of the inner liner.

In one embodiment, the inner liner and the support spacers are of a split or unitary construction.

In one embodiment, the inner liner is made of a ceramic material.

In one embodiment, the inner liner and the support spacers are made of a ceramic material.

The invention has the advantages and beneficial effects that:

the design of the invention adopts the classical venturi tube, and the influence of the classical venturi tube on the passing air flow is utilized, thereby reducing the hissing sound of flame and greatly reducing the generation of noise;

the inner lining body can be obliquely arranged on the side wall of the furnace end, so that the flame is rotary, and when the flame is arranged in the mode, the hole of the required inner lining body mounting hole is shallow, the side wall of the furnace end can be very thin, stainless steel can be used for stamping and forming, and the flame burner is convenient to manufacture and saves materials.

Drawings

Fig. 1 is a schematic perspective view of an embodiment.

Fig. 2 is a schematic perspective cutaway view of fig. 1.

Fig. 3 is a schematic perspective view of an embodiment.

Fig. 4 is a schematic perspective cutaway view of fig. 3.

Fig. 5 is a schematic perspective view of an embodiment.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a schematic view of section A-A in fig. 6.

FIG. 8 is a top view of one embodiment.

Fig. 9 is a schematic view of section B-B in fig. 8.

FIG. 10 is a schematic view of a usage state of an embodiment.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed" on another element, it can be directly disposed or connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1-2, a silence furnace end, including columniform inside lining body 1 and inside lining body mounting hole, the external diameter of inside lining body 1 is less than the internal diameter of inside lining body mounting hole, inside lining body 1 set up inside the inside lining body mounting hole, wherein: the inner lining body 1 is internally provided with a through hole 2 with a large upper part, a small middle part and a large lower part, wherein the upper part of the through hole 2 is in a truncated cone shape with a wide upper part and a narrow lower part, the middle part is in a cylindrical shape, and the lower part is in a truncated cone shape with a narrow upper part and a wide lower part.

Example 2

As shown in fig. 3 to 4, a mute furnace end, including cylindrical inner liner 1 and cylindrical inner liner mounting hole, the external diameter of inner liner 1 is less than the internal diameter of inner liner mounting hole, inner liner 1 set up inside the inner liner mounting hole, wherein: the inner lining body 1 is internally provided with a through hole 2 with a large upper part, a small middle part and a large lower part, wherein the upper part of the through hole 2 is in a truncated cone shape with a wide upper part and a narrow lower part, the middle part is in a cylindrical shape, and the lower part is in a truncated cone shape with a narrow upper part and a wide lower part. The inner lining body mounting holes and the inner lining body are 0-45 degrees in radial direction with the furnace end, so that the gas realizes rotary combustion, and the heat exchange effect is improved.

In this embodiment, the upper portion of the through hole 2 is a trapezoid body with a wide upper portion and a narrow lower portion, the middle portion is a cuboid, and the lower portion is a trapezoid body with a narrow upper portion and a wide lower portion.

Example 3

As shown in fig. 5 to 9, a mute burner comprises at least three stacked inner liners 1, the inner liners 1 are annular, the inner liner 1 disposed at the uppermost portion is a first inner liner 11, the inner liner 1 disposed at the lowermost portion is a second inner liner 12, and the inner liner 1 disposed in the middle is a third inner liner 13, wherein: the bottom of the cross section of the first inner lining body 11 is a trapezoid with a wide upper part and a narrow lower part, the top of the cross section of the second inner lining body 12 is a trapezoid with a narrow upper part and a wide lower part, the top of the cross section of the third inner lining body 13 is a trapezoid with a narrow upper part and a wide lower part, the bottom of the cross section of the third inner lining body 13 is a trapezoid with a wide upper part and a narrow lower part, the number of the third inner lining bodies 13 is more than one, and a supporting and separating device 6 is arranged between each inner lining body 1, so that a certain distance is kept between the adjacent inner lining bodies 1.

More preferably, as shown in fig. 9, in this embodiment, the support separation device 6, the two ends of the channel formed by the support separation device 6 and the inner liner 1 are large, the middle is small, the outside of the channel is in a truncated cone shape with wide outside and narrow inside, the middle is in a cylindrical shape, and the inside is in a truncated cone shape with narrow outside and wide inside.

Example 4

Compared with embodiment 3, the supporting and separating device 6 of this embodiment is matched with the inner lining body 1 to form a channel with large two ends and small middle, and the outside of the channel is a trapezoid with wide outside and narrow inside, the middle is a cube, and the inside is a trapezoid with narrow outside and wide inside.

In embodiments 3 and 4, the radial direction of the channel and the inner liner body is at an angle of 0-45 degrees, more preferably, the radial direction of the channel and the inner liner body is at an angle of 15-30 degrees, so that the gas realizes rotary combustion, and the heat exchange effect is improved.

The lining body and the supporting and separating device can be of a split structure or an integrated structure.

Fig. 10 shows a schematic view of the usage state of the present embodiment, in which the gas enters the burner 5 and is dispersed around, and then enters the central position of the burner from the space between the adjacent inner liners 1 for combustion, and the space between the adjacent inner liners is similar to the through hole structure described in embodiment 1 and embodiment 2.

The invention adopts the shape similar to the classical venturi tube, and the special structure influences the passing airflow, thereby reducing the hissing and cracking sound of flame and greatly reducing the noise.

The inner lining body can also be obliquely arranged on the side wall of the furnace end, so that the flame is rotary, when the flame is arranged in the mode, only the lower half part of the inner lining body mounting hole is arranged in the side wall of the furnace end, the hole of the required inner lining body mounting hole is shallow, the side wall of the furnace end can be very thin, stainless steel can be used for stamping and forming, and the flame burner is convenient to manufacture and saves materials.

The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention, and the technical content of the present invention as claimed is fully described in the claims.

Claims

1. The utility model provides a silence furnace end, includes three at least superimposed inside lining body, the inside lining body be the annular, set up the inside lining body at the upper portion and be first inside lining body, set up the inside lining body at the lower part and be the second inside lining body, set up the inside lining body in the centre and be the third inside lining body, wherein: the bottom of the cross section of the first lining body is a trapezoid with a wide upper part and a narrow lower part, the top of the cross section of the second lining body is a trapezoid with a narrow upper part and a wide lower part, the top of the cross section of the third lining body is a trapezoid with a narrow upper part and a wide lower part, the bottom of the cross section of the third lining body is a trapezoid with a wide upper part and a narrow lower part, the number of the third lining bodies is more than one, and supporting and separating devices are arranged between the lining bodies, so that a certain distance is kept between the adjacent lining bodies.

2. The silent jamb as claimed in claim 1, wherein: the two ends of the channel formed by the supporting and separating device and the inner lining body are large, the middle of the channel is small, the outer side of the channel is in a truncated cone shape with the outer width and the inner width, the middle of the channel is in a cylindrical shape, and the inner side of the channel is in a truncated cone shape with the outer width and the inner width.

3. The silent jamb as claimed in claim 2, wherein: the outside of the channel is a trapezoid body with the outer width and the inner width, the middle part is a cube, and the inner side is a trapezoid body with the outer width and the inner width.

4. The silent jamb as claimed in claim 2, wherein: the radial direction of the channel and the inner lining body is at an angle of 0-45 degrees.

5. The silent jamb as claimed in claim 1, wherein: the lining body and the supporting and separating device are of a split structure or an integrated structure.

6. The silent jamb as claimed in claim 1, wherein: the inner lining body is made of ceramic materials.

7. The silent jamb as claimed in claim 1, wherein: the inner lining body and the supporting and separating device are made of ceramic materials.