CN216481073U

CN216481073U - Implanted combustion flue gas heating device

Info

Publication number: CN216481073U
Application number: CN202122707832.5U
Authority: CN
Inventors: 欧冶金; 肖奥; 陈琪; 明平保
Original assignee: Hubei Dongsheng Tianlong Energy Saving Technology Co ltd
Current assignee: Hubei Dongsheng Tianlong Energy Saving Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-10
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to an embedded combustion flue gas heating device which comprises a combustion-supporting air main pipe, a gas main pipe and a plurality of groups of premixed combustion assemblies, wherein each group of premixed combustion assemblies comprises a combustion-supporting air branch pipe, a gas branch pipe, a premixing cavity and a combustion distribution rod, one end of each of the combustion-supporting air branch pipe and the gas branch pipe is connected with the premixing cavity, the other end of each combustion-supporting air branch pipe is connected with the combustion-supporting air main pipe, the other end of each gas branch pipe is connected with the gas main pipe, the combustion distribution rod is installed at the tail end of the premixing cavity, and a plurality of combustion distribution rods are embedded in a flue. The implanted combustion flue gas heating device can uniformly heat gas in the flue by inserting a plurality of combustion distribution rods into the flue and uniformly distributing the combustion distribution rods, and arranging a plurality of mixed gas injection ports on the combustion distribution rods; the premixing cavity and other components are arranged outside the flue, so that the running resistance of the flue gas in the flue is reduced. The problems in the traditional heating mode of the smoke are solved.

Description

Implanted combustion flue gas heating device

Technical Field

The utility model relates to the technical field of flue gas pollution treatment, in particular to an embedded type combustion flue gas heating device.

Background

In the purification treatment process of a plurality of industrial discharged flue gases, the flue gases need to be heated, at present, a hot blast stove with an external flue is adopted to generate high-temperature flue gases which enter the flue and are mixed with the flue gases to be heated for heating, and the temperature of the flue gases supplied by the method is far lower than the theoretical combustion temperature, so that the gas consumption is high, and the increment of the flue gases is large; the burner is arranged on the outer wall of the flue or in the flue, a complex flow guide device is required to be arranged in the flue for ensuring the stability of combustion, so that the resistance of the flue is increased, the unburned loss of fuel gas is large, the uniformity of the temperature of the heated flue gas is poor, and the heating temperature of the flue gas has to be increased for meeting the process requirements.

Therefore, an embedded flue gas heating device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an embedded type combustion flue gas heating device aiming at the technical problems in the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides an implanted burning flue gas heating device, includes combustion-supporting air house steward, gas house steward, multiunit and mixes burning subassembly in advance, every group mix burning subassembly in advance all include combustion-supporting air branch pipe, gas branch pipe, mix chamber, burning distribution stick in advance, combustion-supporting air branch pipe, gas branch pipe's one end all with mix the chamber in advance and connect, combustion-supporting air branch pipe's the other end and combustion-supporting air house steward connection, gas branch pipe's the other end with gas house steward connection, mix the end in chamber in advance and install burning distribution stick, it is a plurality of burning distribution stick embedding is in the inside of flue.

Preferably, in the above-mentioned implanted combustion flue gas heating device, a plurality of sets of the premixed combustion assemblies are arranged at equal intervals, and each of the combustion distribution rods is parallel to each other.

Preferably, in the above-mentioned implanted combustion flue gas heating device, a plurality of mixed gas injection ports are arranged on the combustion distribution rod, and the mixed gas injection ports are strip-shaped.

Preferably, in the above-mentioned implanted combustion flue gas heating device, the combustion-supporting air branch pipe and the gas branch pipe are both provided with an adjusting valve.

Preferably, in the above-mentioned implanted combustion flue gas heating device, the combustion-supporting air main pipe and the gas main pipe are parallel to each other.

Preferably, the end of the combustion distribution rod is a closed structure.

The utility model has the beneficial effects that: the implanted combustion flue gas heating device can uniformly heat gas in the flue by inserting a plurality of combustion distribution rods into the flue and uniformly distributing the combustion distribution rods, and arranging a plurality of mixed gas injection ports on the combustion distribution rods; the premixing cavity and other components are arranged outside the flue, so that the running resistance of the flue gas in the flue is reduced. The problems in the traditional heating mode of the smoke are solved.

Drawings

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

FIG. 2 is a schematic view of the distribution structure of the combustion distribution rods in the flue;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a combustion-supporting air main pipe, a fan, 5, combustion-supporting air branch pipes, 6, a combustion-supporting air branch pipe, 7, a mixed gas jet orifice, 8, a premixing cavity, 9, a combustion distribution rod, 10 and a flue.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, fig. 2 and fig. 3, an embedded combustion flue gas heating device includes a combustion-supporting air main pipe 1, a gas main pipe 2, and a plurality of premixed combustion assemblies. The combustion-supporting air main pipe 1 and the gas main pipe 2 are parallel to each other, and the combustion-supporting air main pipe 1 and the gas main pipe 2 are distributed on two sides of the plurality of groups of premixed combustion assemblies. One end of the combustion-supporting air main pipe 1 is of a closed structure, and the other end of the combustion-supporting air main pipe is provided with a fan 4. One end of the gas main pipe 2 is of a closed structure, and the other end of the gas main pipe is provided with a gas inlet 3 for introducing gas.

Each group of premixed combustion components comprises a combustion-supporting air branch pipe 5, a gas branch pipe 6, a premixing cavity 8 and a combustion distribution rod 9. One ends of the combustion-supporting air branch pipe 5 and the gas branch pipe 6 are connected with the premixing cavity 8, the other end of the combustion-supporting air branch pipe 5 is connected with the combustion-supporting air main pipe 1, and the other end of the gas branch pipe 6 is connected with the gas main pipe 2. And the combustion-supporting air branch pipe 5 and the gas branch pipe 6 are both provided with regulating valves for regulating the air inflow of gas and combustion-supporting air. Gas enters the premixing cavity 8 through the gas main pipe 2 and the gas branch pipe 6, combustion-supporting air enters the premixing cavity 8 through the combustion-supporting air main pipe 1 and the combustion-supporting air branch pipe 5, and the gas and the combustion-supporting air are uniformly mixed in the premixing cavity 8. The end of the premixing chamber 8 is provided with a combustion distribution bar 9, the combustion distribution bar 9 is perpendicular to the combustion air branch pipe 5 and the gas branch pipe 6, and is inserted into the flue 10 (the combustion distribution bar 9 is blocked by the premixing chamber 8 in fig. 1, so that it is not shown, and fig. 2 is a top view of the combustion distribution bar 9 in fig. 1). The combustion-supporting air branch pipe 5, the gas branch pipe 6, the premixing cavity 8, the combustion-supporting air main pipe 1 and the gas main pipe 2 are all located outside the flue 10, and increase of smoke resistance in the flue is avoided.

The mixed gas mixed by the premixing cavity 8 enters a combustion distribution rod 9, a plurality of mixed gas jet orifices 7 are arranged on the combustion distribution rod 9, and the mixed gas jet orifices 7 are strip-shaped. When the mixed gas is ejected from the mixed gas ejection port 7, the mixed gas is ignited, and the combustion generates heat, thereby heating the flue gas in the flue 10. The multiple groups of premixed combustion assemblies are arranged at equal intervals, and each combustion distribution rod 9 is parallel to each other. The plurality of combustion distribution rods 9 are embedded in the flue 10, and the combustion distribution rods 9 are provided with a plurality of mixed gas injection ports 7, so that flue gas in the flue 10 can be heated uniformly.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides an implanted burning flue gas heating device which characterized in that: including combustion-supporting air main (1), gas main (2), multiunit premix combustion assembly, every group premix combustion assembly all include combustion-supporting air branch pipe (5), gas branch pipe (6), mix chamber (8), burning distribution stick (9) in advance, the one end of combustion-supporting air branch pipe (5), gas branch pipe (6) all with mix chamber (8) in advance and connect, the other end and combustion-supporting air main (1) of combustion-supporting air branch pipe (5) are connected, the other end of gas branch pipe (6) with gas main (2) are connected, mix the end in chamber (8) in advance and install burning distribution stick (9), it is a plurality of burning distribution stick (9) imbed in the inside of flue (10).

2. The implantable combustion flue gas heating device of claim 1, wherein: the multiple groups of premixed combustion assemblies are arranged at equal intervals, and each combustion distribution rod (9) is parallel to each other.

3. The implantable combustion flue gas heating device of claim 1, wherein: the combustion distribution rod (9) is provided with a plurality of mixed gas injection ports (7), and the mixed gas injection ports (7) are strip-shaped.

4. The implantable combustion flue gas heating device of claim 1, wherein: and regulating valves are arranged on the combustion-supporting air branch pipe (5) and the gas branch pipe (6).

5. The implantable combustion flue gas heating device of claim 1, wherein: the combustion-supporting air main pipe (1) is parallel to the fuel gas main pipe (2).

6. The implantable combustion flue gas heating device of claim 1, wherein: the tail end of the combustion distribution rod (9) is of a closed structure.