CN218178870U

CN218178870U - Low-nitrogen industrial furnace with high power regulation ratio

Info

Publication number: CN218178870U
Application number: CN202221810069.7U
Authority: CN
Inventors: 董延鹏; 张梁
Original assignee: Liaoning Zhuoyi New Material Co ltd
Current assignee: Liaoning Zhuoyi New Material Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-30
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a low nitrogen industrial furnace that power regulation ratio is high relates to the industrial furnace field, a low nitrogen industrial furnace that power regulation ratio is high, including last furnace body, lower furnace body, go up and be provided with a plurality of first combustors in the furnace body, be provided with a plurality of second combustors in the furnace body down, first combustor the second combustor all is provided with the burning chamber, burning intracavity portion is provided with porous medium burning layer, the utility model discloses the in-process that uses can select the first combustor and the second combustor of suitable number according to the demand, later also can select the first combustor and the second combustor that suitably light the number according to the demand, and the utility model discloses a first combustor and second combustor adopt porous medium burning layer to carry out the thermal radiation heating, do not have obvious flame, can effectually reduce nitrogen oxide's production to make gas combustion more abundant, energy utilization is rateed higher.

Description

Low-nitrogen industrial furnace with high power regulation ratio

Technical Field

The application relates to the field of industrial furnaces, in particular to a low-nitrogen industrial furnace with a high power regulation ratio.

Background

In glass tempering, product drying and the like, the glass tempering, the product drying and the like need to be heated by a production line type industrial furnace, most of the existing industrial furnaces adopt an electric heating mode to heat the glass tempering, the electric heating adopts high cost, and the other industrial furnaces adopt fuel gas heating, but the fuel gas heating generally adopts open fire heating, the power control is poor, and local high temperature is easily caused to generate nitrogen oxides.

Disclosure of Invention

An object of the embodiment of the application is to provide a low-nitrogen industrial furnace with a high power regulation ratio, which can solve the technical problem of low power regulation ratio.

The embodiment of the application provides a low nitrogen industrial furnace that power regulation ratio is high, including last furnace body, lower furnace body, go up the furnace body in be provided with a plurality of first combustors, be provided with a plurality of second combustors in the furnace body down, first combustor with the second combustor interval sets up, go up the furnace body with be provided with the conveyer belt down between the furnace body, first combustor the second combustor all is provided with the combustion chamber, the combustion chamber inside is provided with porous medium combustion layer, first combustor upper end second combustor lower extreme admission line, first combustor porous medium combustor top the second combustor the below on porous medium combustion layer all is provided with the heat accumulator, be provided with a plurality of intake pipes on the heat accumulator, go up the furnace body lateral part the lateral part all is provided with exhaust duct down.

Preferably, the porous medium combustion layer is in a foam shape, and is formed by firing silicon carbide.

Preferably, the heat accumulator is made of ceramic materials, and the thickness of the heat accumulator is 5-10cm.

Preferably, the upper furnace body is provided with a first rail, the first burner is slidably mounted on the first rail, the lower furnace body is provided with a second rail, and the second burner is slidably mounted on the second rail.

Preferably, the lower end of the porous medium combustion layer is provided with a blocking block, and the blocking block is made of high-temperature-resistant materials.

Preferably, the outer parts of the upper furnace body and the lower furnace body are both provided with heat insulation layers, and the thickness of each heat insulation layer is 2-5cm.

Preferably, the conveyor belt is a drum conveyor belt, and the conveyor belt is made of a metal material.

Preferably, the length of the upper furnace body and the length of the lower furnace body are at least 5m.

The utility model has the advantages that:

the utility model provides a pair of low nitrogen industrial furnace that power regulation ratio is high, including last furnace body, lower furnace body, go up and be provided with a plurality of first combustors in the furnace body, be provided with a plurality of second combustors in the furnace body down, first combustor with second combustor interval sets up, go up the furnace body with be provided with the conveyer belt down between the furnace body, first combustor the second combustor all is provided with the burning chamber, burning chamber inside is provided with porous medium burning layer, first combustor upper end second combustor lower extreme admission line, first combustor porous medium combustor top the second combustor the below on porous medium burning layer all is provided with the heat accumulator, be provided with a plurality of intake pipes on the heat accumulator, go up the furnace body lateral part the furnace body all is provided with exhaust duct down, the utility model discloses can select the first combustor and the second combustor of suitable number according to the demand in-process of using, later also can select the first combustor and the second combustor of suitable number according to the demand to the second combustor and the second combustor can be carried out the high effective heat radiation and use the high nitrogen oxide that can be carried out to the thermal radiation.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of a first burner of the present invention;

fig. 3 is a schematic structural view of a second burner according to the present invention.

The reference numbers are respectively:

the furnace comprises an upper furnace body-1, a lower furnace body-2, a first combustor-3, a second combustor-4, a conveyor belt-5, a combustion chamber-6, a porous medium combustion layer-7, an air inlet pipeline-8, a heat accumulator-9, an air inlet pipe-10, an exhaust pipeline-11, a first rail-12, a second rail-13, a stop block-14 and a heat insulation layer-15.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the product of the application is conventionally placed in use, and are used only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-3, a low nitrogen industrial furnace that power regulation ratio is high, including last furnace body 1, lower furnace body 2, be provided with a plurality of first combustors 3 in going up furnace body 1, be provided with a plurality of second combustors 4 in lower furnace body 2, first combustor 3 sets up with 4 intervals of second combustor, it is provided with conveyer belt 5 to go up furnace body 1 and lower furnace body 2 between, first combustor 3, second combustor 4 all is provided with combustion chamber 6, combustion chamber 6 is inside to be provided with porous medium combustion layer 7, first combustor 3 upper end, second combustor 4 lower extreme intake pipe 8, first combustor 3's porous medium combustor top, second combustor 4's porous medium combustion layer 7's below all is provided with heat accumulator 9, be provided with a plurality of ventilation duct 10 on heat accumulator 9, go up furnace body 1 lateral part, lower furnace body 2 lateral part all is provided with exhaust duct 11, the utility model discloses can select suitable number first combustor 3 and second combustor 4 according to the demand in-process of using, also can select suitable number according to the demand, the second combustor 3 and the effectual NOx reduction burner 4 that heats the gas utilization ratio is obvious, and the effectual NOx reduction burner that the utility model adopts the porous medium that the heat radiation can be used can be more.

As shown in fig. 1 to 3, in the present embodiment, the porous medium combustion layer 7 is foamed, the porous medium combustion layer 7 is formed by firing silicon carbide, the heat accumulator 9 is made of a ceramic material, and the thickness of the heat accumulator 9 is 5 to 10cm.

As shown in fig. 1, in this embodiment, the upper furnace body 1 is provided with a first rail 12, the first burner 3 is slidably mounted on the first rail 12, the lower furnace body 2 is provided with a second rail 13, and the second burner 4 is slidably mounted on the second rail 13, the distance between the first burner 3 and the second burner 4 of the present invention can be adjusted, specifically, different distances can be selected according to preheating, drying, toughening, etc. during the use process, when preheating, the distance between the first burner 3, the distance between the second burner 4, and the distance between the first burner 3 and the second burner 4 can be appropriately long, and when toughening or drying, the distance between the first burner 3, the distance between the second burner 4, and the distance between the first burner 3 and the second burner 4 can be appropriately short.

As shown in fig. 1, in this embodiment, in order to prevent the porous medium combustion layer 7 from displacing during use, a blocking block 14 is disposed at the lower end of the porous medium combustion layer 7, and the blocking block 14 is made of a high temperature resistant material.

As shown in fig. 1, in this embodiment, in order to prevent heat from dissipating from the upper furnace body 1 or the lower furnace body 2, heat insulating layers 15 are disposed outside the upper furnace body 1 and outside the lower furnace body 2, and the thickness of the heat insulating layers 15 is 2-5cm.

As shown in fig. 1, in this embodiment, the conveyor belt 5 is a drum conveyor belt 5, the conveyor belt 5 is made of a metal material, the length of the upper furnace body 1 and the length of the lower furnace body 2 are at least set to be 5m, and specifically, the upper furnace body 1 or the lower furnace body 2 with a suitable length can be selected according to requirements.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A low-nitrogen industrial furnace with high power regulation ratio is characterized in that: including last furnace body, lower furnace body, go up the furnace body in be provided with a plurality of first combustors, be provided with a plurality of second combustors in the furnace body down, first combustor with second combustor interval sets up, go up the furnace body with be provided with the conveyer belt down between the furnace body, first combustor the second combustor all is provided with the burning chamber, the inside porous medium burning layer that is provided with of burning chamber, first combustor upper end second combustor lower extreme admission line, first combustor porous medium combustor top the second combustor the below on porous medium burning layer all is provided with the heat accumulator, be provided with a plurality of intake pipes on the heat accumulator, go up the furnace body lateral part down all is provided with exhaust duct.

2. The low-nitrogen industrial furnace with high power regulation ratio as claimed in claim 1, characterized in that: the porous medium combustion layer is in a foam shape and is formed by firing silicon carbide.

3. The low-nitrogen industrial furnace with high power regulation ratio as claimed in claim 1, characterized in that: the heat accumulator is made of ceramic materials, and the thickness of the heat accumulator is 5-10cm.

4. A high duty turndown low nitrogen industrial furnace as claimed in claim 1, wherein: the upper furnace body is provided with a first rail, the first combustor is slidably mounted on the first rail, the lower furnace body is provided with a second rail, and the second combustor is slidably mounted on the second rail.

5. A high duty turndown low nitrogen industrial furnace as claimed in claim 1, wherein: the lower end of the porous medium combustion layer is provided with a blocking block, and the blocking block is made of high-temperature-resistant materials.

6. A high duty turndown low nitrogen industrial furnace as claimed in claim 1, wherein: and heat insulation layers are arranged outside the upper furnace body and outside the lower furnace body, and the thickness of each heat insulation layer is 2-5cm.

7. A high duty turndown low nitrogen industrial furnace as claimed in claim 1, wherein: the conveyer belt is the drum-type conveyer belt, the conveyer belt adopts the metal material to make.

8. A high duty turndown low nitrogen industrial furnace as claimed in claim 1, wherein: the length of the upper furnace body and the length of the lower furnace body are at least 5m.