CN210891645U

CN210891645U - Honeycomb heating body

Info

Publication number: CN210891645U
Application number: CN201921113653.5U
Authority: CN
Inventors: 刘凯; 陈琦; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-30
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a honeycomb heat-generating body, including heat-generating body frame and the heating structure that has the cavity, the bottom of heat-generating body frame is equipped with a plurality of air inlets that supply the gas to pass through and its top is equipped with the fire hole, be filled with by a plurality of in the cavity the layer that generates heat that heating structure constitutes, heating structure is equipped with the through-hole that supplies the gas to pass through and/or be formed with the hole that supplies the gas to pass through between the heating structure. The utility model discloses a honeycomb heat-generating body, its simple structure, the rapid Assembly of being convenient for, thermal shock nature is good, is difficult for the fracture, long service life.

Description

Honeycomb heating body

Technical Field

The utility model relates to a gas-cooker technical field especially relates to a honeycomb body suitable for on infrared gas-cooker.

Background

The honeycomb bodies of infrared cookers on the market are mainly classified into two types: one is formed by molding a high-temperature-resistant ceramic material, and the other is formed by coiling a high-temperature-resistant metal thin strip. In view of the problem of easy cracking of ceramic honeycomb bodies, some progress has been made through research in the fields of materials, processes and the like, but the problem of easy cracking cannot be solved radically, and the ceramic honeycomb bodies are basically flat due to the consideration of strength, so that the design of product appearance is limited more. The coiled honeycomb body of the metal thin strip is popular in the market due to the good thermal shock resistance and texture of the metal material, but the coiled mode also limits the design of the outer contour shape of the honeycomb body.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a honeycomb heat-generating body, its simple structure is difficult for the fracture.

According to the honeycomb heating body provided above, it is realized through the following technical scheme:

the utility model provides a honeycomb heat-generating body, is including the heat-generating body frame and the heating structure that have the cavity, the bottom of heat-generating body frame is equipped with a plurality of air inlets that supply the gas to pass through and its top is equipped with the fire hole, be filled with in the cavity by a plurality of the layer that generates heat that heating structure constitutes, heating structure is equipped with the through-hole that supplies the gas to pass through and/or be formed with the hole that supplies the gas to pass through between the heating structure.

In some embodiments, the heat-generating layer is formed by a plurality of heat-generating structures horizontally arranged in a layer, and the heat-generating structures are provided with the through holes and/or pores are formed between the heat-generating structures.

Furthermore, the through holes are formed in the heating structure and are inclined from bottom to top or arranged vertically to top; or the heating structure is provided with the through holes, and pores are formed between the heating structures, and the through holes are communicated with the air inlet or/and the pores.

In other embodiments, the heat generating layer is composed of a plurality of the heat generating structures stacked on one another.

Furthermore, the heating structure is provided with the through holes, and the through holes are communicated with each other in the vertical direction; or the pores are formed among the heating structures and are communicated with each other in the vertical direction.

Further, the heating structures are provided with the through holes, and pores are formed between the heating structures, and the through holes are communicated with the adjacent through holes and/or the adjacent pores.

Further, the through holes are inclined from bottom to top or arranged vertically to top.

Further, the through holes are communicated with the adjacent through holes in the vertical direction, or the through holes are communicated with the adjacent pores in the vertical direction.

In some embodiments, the heat generating structure comprises a combustion tube with the through hole and a plurality of ribs arranged on the outer surface of the combustion tube at intervals, and grooves for gas to pass through are formed between the ribs.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the honeycomb heating element of the utility model has simple structure, and the heating layer composed of a plurality of heating structures is flexibly filled in the heating element outer frame, thereby saving the welding and fixing process and being beneficial to quick assembly;

2. the utility model discloses a honeycomb heat-generating body compares with loose ceramic honeycomb body and the thin coiled honeycomb body of taking of metal, and the thermal shock nature is better, and more difficult fracture is favorable to increase of service life.

Drawings

FIG. 1 is a schematic view showing a structure of a honeycomb heating element in embodiment 1 of the present invention;

FIG. 2 is a sectional view of a honeycomb heating element in example 1 of the present invention, in which a heating structure is arranged regularly as an example;

FIG. 3 is a schematic view showing a partial structure of a heat-generating body outer frame in embodiment 1 of the present invention;

FIG. 4 is a plan view of a honeycomb heating element in example 1 of the present invention, in which the top of the outer frame of the heating element is hidden;

fig. 5 is a schematic structural view of a heat generating structure in embodiment 1 of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

Example 1

As shown in fig. 1-4, the honeycomb heating element of this embodiment includes a heating element outer frame 1 having a cavity 101 and a plurality of heating structures 2, the bottom of the heating element outer frame 1 is provided with a plurality of gas inlets 102 at intervals and the top thereof is provided with fire holes 103, the cavity 101 is filled with a heating layer composed of a plurality of heating structures 2, the heating structures 2 are provided with through holes 201 for gas to pass through and/or holes 20 for gas to pass through are formed between the heating structures 2.

The honeycomb heating body of the embodiment has simple structure, and the heating layer consisting of the plurality of heating structures 2 is flexibly filled in the heating body outer frame 1, so that the welding and fixing process is omitted, and the rapid assembly is facilitated; compared with loose ceramic honeycomb bodies and metal thin strip coiled honeycomb bodies, the honeycomb heating body has better thermal shock property and is less prone to cracking, and therefore the service life of the honeycomb heating body is prolonged.

Preferably, the heating element outer frame 1 is made of a metal having high temperature resistance to ensure that the heating element outer frame 1 has good thermal shock resistance and that the heating element outer frame 1 does not crack even if cooking spill drips. In this embodiment, the top of the heating element outer frame 1 is provided with a plurality of fire holes 103 spaced from each other, so that the gas can pass through and/or the high-temperature flue gas generated by combustion can be discharged conveniently. In other embodiments, the heat-generating body outer frame 1 may be designed to have an open top, and the through holes 201 and/or the pores 20 near the top of the heat-generating body outer frame 1 may serve as fire holes, so as to save manufacturing materials and reduce manufacturing cost.

As shown in fig. 2 or fig. 4, further, the layer that generates heat comprises a plurality of heating structures 2 that pile up each other, so ensure to generate heat the layer and have sufficient thickness, the upper end on the layer of being convenient for generate heat will burn heat conduction and radiation downwards to the lower extreme on the layer and the bottom of heat-generating body frame 1 generate heat in the heating, thereby realize fully preheating the gas that generates heat the layer to flowing through, and then make the gas that is preheated form the super enthalpy burning in fire hole 103 department, effectively strengthen infrared radiation heating efficiency.

In this embodiment, heating structure 2 has through-hole 201, and also be formed with hole 20 between heating structure 2, through-hole 201 is linked together with adjacent through-hole 201 and/or adjacent hole 20, so, through-hole 201 of heating structure 2 and hole 20 between heating structure 2 have constituteed the required little combustion chamber of honeycomb heat-generating body burning jointly, guarantee that the honeycomb heat-generating body has high porosity, and then be favorable to strengthening the thermal high temperature radiation output rate of burning, realize improving infrared radiation heating efficiency. Preferably, the through holes 201 are inclined from bottom to top or arranged vertically to top to improve thermal conductivity and emissivity in the vertical direction.

Specifically, the layer that generates heat is by the formation that 2 rules of a plurality of heating structures were piled up, through-hole 201 is perpendicular upwards to be arranged, and the cooperation intercommunication area of the adjacent through-hole 201 in the vertical direction is the biggest, it is highest to guarantee gas unit transport rate, and the upper end on the layer that generates heat of being convenient for will burn heat conduction and radiation downwards in vertical direction, with the lower extreme on the layer that generates heat of heating, thereby realize fully preheating the gas on the layer that generates heat of flowing through, make the gas form super enthalpy burning in fire hole 103 department, further strengthen infrared radiation heating efficiency.

In other embodiments, the through-holes 201 may also be designed to communicate with adjacent apertures 20 in the vertical direction; alternatively, the heat-generating layer is directly formed by irregularly stacking a plurality of heat-generating structures 2.

As shown in fig. 5, further, the maximum radial dimension of the heat generating structure 2 is larger than the diameter of the air inlet 102 or the cross-sectional area of the lower end of the heat generating structure 2 is larger than the area of the air inlet 102, so as to avoid that part of the heat generating structure 2 falls from the air inlet 102 to affect the reliability of the honeycomb heat generating body.

Specifically, the heating structure 2 includes a combustion tube 21 having a through hole 201 and a plurality of ribs 22 disposed at intervals on the outer surface of the combustion tube 21, and grooves 202 for gas to pass through are formed between the ribs 22, so that the heating structure 2 is a porous heating medium, which is beneficial to further improving the porosity of the heating layer.

More specifically, the protruding rib 22 extends upwards from the lower end of the outer side wall of the combustion tube 21 to the upper end of the outer side wall of the combustion tube 21, so that the two ends of the protruding rib 22 are parallel to the two ends of the combustion tube 21, the heating structure 2 is ensured to have a high combustion heat transfer rate in the vertical direction, the heating structure 2 is convenient to store heat, and the infrared radiation heating efficiency of the honeycomb heating body is enhanced.

Example 2

The honeycomb heating element of the present embodiment is different from embodiment 1 in that: the heating layer is only composed of a plurality of heating structures 2 which are horizontally arranged into a layer. In this embodiment, the heat generating structures 2 have through holes 201 and grooves 202, and the voids 20 are formed between the heat generating structures 2. Preferably, the through holes 201 are inclined from bottom to top or arranged vertically to top, and the through holes 201 are communicated with the gas inlet 102 or/and the aperture 20 to ensure that the heat generating layer has high gas transmission rate and radiation heat conductivity in the vertical direction.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a honeycomb heat-generating body, its characterized in that, is including heat-generating body frame (1) and the heating structure (2) that have cavity (101), the bottom of heat-generating body frame (1) is equipped with a plurality of air inlets (102) that supply the gas to pass through and its top is equipped with fire hole (103), be filled with in cavity (101) by a plurality of the layer that generates heat that heating structure (2) constitute, heating structure (2) are equipped with through-hole (201) that supply the gas to pass through and/or be formed with hole (20) that supply the gas to pass through between heating structure (2).

2. A honeycomb heating body according to claim 1, characterized in that the heating layer is composed of a plurality of the heating structures (2) horizontally arranged in a layer, the heating structures (2) are provided with the through holes (201) and/or pores (20) are formed between the heating structures (2).

3. A honeycomb heating body according to claim 2, characterized in that the heating structure (2) is provided with the through holes (201), and the through holes (201) are arranged from bottom to top or vertically upward.

4. A honeycomb heating body according to claim 2, characterized in that the heating structure (2) is provided with the through holes (201), and pores (20) are formed between the heating structures (2), and the through holes (201) communicate with the air inlet (102) or/and the pores (20).

5. A honeycomb heating body according to claim 1, characterized in that said heat generating layer is constituted by a plurality of said heat generating structures (2) stacked on each other.

6. A honeycomb heating body according to claim 5, characterized in that said heating structure (2) is provided with said through holes (201) communicating with adjacent said through holes (201) in the vertical direction; or the pores (20) are formed between the heating structures (2), and the pores (20) are communicated with each other in the vertical direction.

7. A honeycomb heating body according to claim 5, characterized in that the heating structure (2) is provided with the through holes (201), and pores (20) are formed between the heating structures (2), and the through holes (201) communicate with the adjacent through holes (201) and/or the adjacent pores (20).

8. A honeycomb heating body according to claim 7, characterized in that the through holes (201) are arranged obliquely from bottom to top or vertically upward.

9. A honeycomb heating body according to claim 8, characterized in that said through holes (201) are communicated in the vertical direction adjacent to said through hole, or said through holes (201) are communicated in the vertical direction adjacent to said void (20).

10. A honeycomb heating body as defined in claim 1, wherein said heating structure (2) comprises a combustion tube (21) having said through hole (201) and a plurality of ribs (22) provided at intervals on the outer surface of said combustion tube (21), said ribs (22) having grooves (202) for passing gas formed therebetween.