WO2015043414A1

WO2015043414A1 - Infrared metal honeycomb combustor

Info

Publication number: WO2015043414A1
Application number: PCT/CN2014/086828
Authority: WO
Inventors: 宫鹤
Original assignee: 宫鹤
Priority date: 2013-09-29
Filing date: 2014-09-18
Publication date: 2015-04-02
Also published as: CN103528061A; CN105393055B; CN105393055A; CN103528061B

Abstract

An infrared metal honeycomb combustor comprising a housing (1), an ejector pipe (2), a nozzle (3), and a honeycomb combustion plate (4). The honeycomb combustion plate (4) is constituted by connecting a honeycomb stretched plate (5) and a mesh plate (6). The honeycomb stretched plate (5) is provided with multiple honeycomb combustion holes (7). The mesh plate (6) is provided with multiple honeycomb holes (8). The honeycomb combustion holes (7) and the honeycomb holes (8) are connected. The mesh plate (6) is arranged above the honeycomb stretched plate (5). The honeycomb combustion holes (7) are tapered hexagonal honeycomb holes. The cross-sectional areas of inlet positions (9) of the honeycomb combustion holes (7) are greater than the cross-sectional areas of outlet positions (10) of the honeycomb combustion holes (7). The cross-sectional areas of the outlet positions (10) of the honeycomb combustion holes (7) are identical to the cross-sectional areas of the honeycomb holes (8) of the mesh plate (6). The honeycomb stretched plate (5) is manufactured by utilizing a stretched and punched metal sheet. The honeycomb combustion holes (7) formed by stretching are distributed evenly on the honeycomb stretched plate (5). The combustor increases thermal efficiency and reduces emission of hazardous gases.

Description

Infrared metal honeycomb burner

Technical field

The present invention relates to an infrared metal honeycomb burner.

Background technique

At present, a gas furnace equipped with an infrared ceramic plate, the gas is burned in the combustion hole of the ceramic plate, and the ceramic plate releases a certain wavelength of infrared rays at a high temperature, which is favorable for complete combustion of the gas, improves thermal efficiency, reduces harmful gas emissions, and Environmental pollution; due to the complicated production process of infrared ceramic plates, the stability of matrix materials of ceramic plates is poor, industrial standardization is difficult, and the connection sealing property between infrared ceramic plates and burner shells is poor, and infrared ceramic plates are prone to bursting and weathering, resulting in Tempering has caused adverse effects on the promotion and use of infrared ceramic plates.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art and provide an infrared metal honeycomb burner for replacing the infrared ceramic plate, improving the thermal efficiency of the gas furnace, preventing blasting caused by bursting of the infrared ceramic plate, and reducing pollution of the environment by combustion.

The technical solution adopted by the invention is: an infrared metal honeycomb burner comprising a casing, a ejector tube, a nozzle and a honeycomb burning plate; the honeycomb burning plate is composed of a honeycomb stretching plate and a mesh plate, and the honeycomb stretching plate is provided a plurality of honeycomb combustion holes, the mesh plate is provided with a plurality of honeycomb holes, the honeycomb combustion holes are connected with the honeycomb holes, and the mesh plates are located at the upper portion of the honeycomb tensile plate; in order to improve the production efficiency of the stretching and reduce the wind resistance of the honeycomb combustion holes, Increasing the area of the honeycomb combustion hole of the infrared metal honeycomb burner to improve the combustion efficiency, the honeycomb combustion hole is a tapered hexagonal honeycomb hole, the cross-sectional area of the inlet position of the honeycomb combustion hole is larger than the cross-sectional area of the outlet position, and the exit position of the honeycomb combustion hole is cut. The area is the same as the cross-sectional area of the mesh hole of the mesh plate.

The invention has the beneficial effects that the infrared metal honeycomb burner is made by stretching and punching the same metal plate, and the honeycomb stretching plate is uniformly provided with the stretched honeycomb combustion hole, which improves the heat efficiency and reduces the burning efficiency. Harmful gas emissions and environmental pollution; honeycomb tensile plates are formed by one-piece stretching, and standardized production lines can be implemented to improve production efficiency.

DRAWINGS

Figure 1 is a schematic view showing the structure of an infrared metal honeycomb burner;

Figure 2 is a plan view of Figure 1;

Figure 3 is a partial schematic view of a honeycomb stretch panel;

Figure 4 is a plan view of Figure 3.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic view of the structure of the infrared metal honeycomb burner and FIG. 2, the infrared metal honeycomb burner includes an outer casing 1, a ejector tube 2, a nozzle 3, and a honeycomb burning plate 4; a honeycomb burning plate 4, the honeycomb stretching plate 5 is connected with the mesh plate 6, and the honeycomb stretching plate 5 is provided with a plurality of honeycomb combustion holes 7, and the mesh plate 6 is provided with a plurality of honeycomb holes 8, and the honeycomb combustion holes 7 are connected with the honeycomb holes 8. The mesh plate 6 is located at the upper portion of the honeycomb tensile plate 5; the honeycomb combustion hole 7 is a tapered hexagonal honeycomb hole, and the cross-sectional area of the inlet position 9 of the honeycomb combustion hole 7 is larger than the cross-sectional area of the outlet position 10, and the honeycomb combustion hole 7 The cross-sectional area of the exit position 10 is the same as the cross-sectional area of the honeycomb hole 8 of the mesh plate 6; the shape and size of the honeycomb hole 8 of the mesh plate 6 are the same as the shape and size of the exit position 10 of the honeycomb combustion hole 7 of the honeycomb tensile plate 5. .

In order to implement a plurality of uniformly distributed hexagonal honeycomb holes on a metal plate, the production efficiency is increased and the area of the honeycomb combustion holes 7 is increased, so that the honeycomb combustion plate 4 is evenly distributed with more honeycomb combustion holes 7, as shown in FIG. A partial schematic view of the honeycomb tensile plate shown in FIG. 4 and a top view of FIG. 3, wherein the honeycomb combustion hole 7 includes a middle honeycomb combustion hole 11, a front honeycomb combustion hole 12, a rear honeycomb combustion hole 13, and a left honeycomb combustion hole. 14 and the right honeycomb combustion hole 15; the distance from the center line of the middle honeycomb combustion hole 11 to the center line of the front honeycomb combustion hole 12 is equal to the distance from the center line of the middle honeycomb combustion hole 11 to the center line of the rear honeycomb combustion hole 13; the middle honeycomb combustion hole 11 The distance from the center line to the center line of the left honeycomb combustion hole 14 is equal to the distance from the center line of the middle honeycomb combustion hole 11 to the center line of the right honeycomb combustion hole 15.

The distance from the center line of the middle honeycomb combustion hole 11 to the center line of the left honeycomb combustion hole 14 is greater than the distance from the center line of the middle honeycomb combustion hole 11 to the center line of the front honeycomb combustion hole 12; the center honeycomb combustion hole 11 center line to the right honeycomb combustion The distance of the center line of the hole 15 is greater than the distance from the center line of the middle honeycomb combustion hole 11 to the center line of the rear honeycomb combustion hole 13.

In order to reduce the wind resistance of the mixed gas entering the honeycomb combustion hole 12, the honeycomb combustion hole 7 The honeycomb aperture 16 at the inlet location 9 is curved.

In order to prevent the honeycomb combustion hole 7 from being burned, a telescopic gap 17 is provided between each of the honeycomb combustion holes 12.

In order to avoid leakage of gas and affect the combustion effect, the mesh plate 6 is provided with a groove 17, and the honeycomb stretching plate 5 is embedded in the groove 17 of the mesh plate 6; the outer circle 18 and the groove of the honeycomb stretching plate 5 The inner edge 19 of the 17 is hermetically connected.

In order to improve the high temperature resistance of the honeycomb combustion plate 4, the material of the honeycomb tensile plate 5 and the mesh plate 6 is 2Cr25Ni20.

Claims

Infrared metal honeycomb burner comprises a casing (1), an ejector tube (2), a nozzle (3) and a honeycomb combustion plate (4); characterized in that the honeycomb combustion plate (4) is made of a honeycomb tensile plate (5) The honeycomb tensile plate (5) is provided with a plurality of honeycomb combustion holes (7), the mesh plate (6) is provided with a plurality of honeycomb holes (8), and the honeycomb combustion holes (7) are formed. Connected to the honeycomb hole (8), the mesh plate (6) is located at the upper portion of the honeycomb tensile plate (5); the honeycomb combustion hole (7) is a tapered hexagonal honeycomb hole, and the honeycomb combustion hole (7) is at the inlet position (9) The cross-sectional area is larger than the cross-sectional area of the outlet position (10), and the cross-sectional area of the exit position (10) of the honeycomb combustion hole (7) is the same as the cross-sectional area of the honeycomb hole (8) of the mesh plate (6).
The infrared metal honeycomb burner according to claim 1, characterized in that the shape and size of the honeycomb hole (8) of the mesh plate (6) and the honeycomb combustion hole of the honeycomb tensile plate (5) (7) The exit position (10) has the same shape and size.
The infrared metal honeycomb burner according to claim 1, wherein said honeycomb combustion hole (7) comprises a medium honeycomb combustion hole (11), a front honeycomb combustion hole (12), and a rear honeycomb combustion hole (13). ), left honeycomb combustion hole (14) and right honeycomb combustion hole (15); center honeycomb combustion hole (11) center line to front honeycomb combustion hole (12) center line distance and middle honeycomb combustion hole (11) center line to The distance between the centerline of the rear honeycomb combustion hole (13) is equal; the distance between the centerline of the honeycomb combustion hole (11) to the centerline of the left honeycomb combustion hole (14) and the centerline of the middle honeycomb combustion hole (11) to the right honeycomb combustion hole ( 15) The distance between the center lines is equal.
The infrared metal honeycomb burner according to claim 3, characterized in that the center line of the middle honeycomb combustion hole (11) is at a greater distance from the center line of the left honeycomb combustion hole (14) than the center of the middle honeycomb combustion hole (11) The distance from the line to the center line of the front honeycomb combustion hole (12); the distance from the center line of the middle honeycomb combustion hole (11) to the center line of the right honeycomb combustion hole (15) is greater than the center line of the middle honeycomb combustion hole (11) to the rear honeycomb combustion hole (13) The distance from the centerline.
The infrared metal honeycomb burner according to claim 1, characterized in that the honeycomb hole edge (16) of the inlet position (9) of the honeycomb combustion hole (7) is curved.
The infrared metal honeycomb burner according to claim 1, characterized in that a telescopic gap (17) is provided between each of the honeycomb combustion holes (12).
The infrared metal honeycomb burner according to claim 1, characterized in that the mesh plate (6) is provided with a groove (17), and the honeycomb tensile plate (5) is embedded in the concave of the mesh plate (6). Slot (17); the outer circumference (18) of the honeycomb tensile plate (5) is sealingly connected to the inner edge (19) of the groove (17).
The infrared metal honeycomb burner according to claim 1, characterized in that the material of the honeycomb tensile plate (5) and the mesh plate (6) is 2Cr25Ni20.