Multi-point injection burner for decomposing furnace

Abstract

The utility model discloses a multi-point jet burner for a decomposing furnace, which relates to the technical field of burners and comprises a coal pipe, a spray head is connected to the end of the coal pipe through a connecting flange, the spray head is spherical, nozzles are arranged on the horizontal plane of the center of the spray head in a circumferential array mode, and the nozzles are communicated with the coal pipe. Forward inclined mounting surfaces are arranged on the upper side and the lower side of the spray head, nozzles are arranged on the mounting surfaces, and the nozzles on the plane are arranged on a vertical surface in the center of the spray head; the device has the beneficial effects that the working efficiency of the decomposing furnace is improved through a plurality of spraying points, the decomposing time of materials in the furnace is shortened, and the product quality is improved. Meanwhile, due to the fact that heat distribution is more uniform, the service life of the furnace body can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a multi-point injection burner for a decomposition furnace. Background Art

[0002] In existing calciner technology, the design and use of burners are crucial for uniform heating and decomposition of materials in the furnace. However, traditional single-point injection burners often fail to provide sufficient uniformity of heat distribution, resulting in low efficiency of material decomposition in the furnace, and may even generate hot spots, affecting product quality and furnace life. Utility Model Content

[0003] The purpose of the utility model is to provide a multi-point injection burner for a decomposition furnace in order to solve the above-mentioned problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A multi-point injection burner for a decomposition furnace comprises a coal pipe, the end of the coal pipe is connected to a nozzle via a connecting flange, the nozzle is spherical in shape, a circular array of nozzles is arranged on a horizontal plane at the center of the nozzle, both upper and lower sides of the nozzle are provided with forward-inclined mounting surfaces, nozzles are arranged on the mounting surfaces, and the nozzles on the plane are arranged on a vertical plane at the center of the nozzle.

[0006] Preferably, the mounting surface is a plane.

[0007] Preferably, each of the nozzles is provided with an independent fuel control system for controlling the nozzle to spray fuel into the decomposition furnace according to a preset mode and sequence.

[0008] Preferably: the fuel control system includes a valve and a controller.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The multiple injection points can improve the efficiency of the decomposition furnace, reduce the decomposition time of the materials in the furnace, and improve the product quality. At the same time, the service life of the furnace will be extended due to more uniform heat distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 The utility model is a top view of the structure of a multi-point injection burner for a decomposition furnace.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of a multi-point injection burner for a decomposition furnace described in the utility model.

[0014] Figure 3 It is a right side structural schematic diagram of a multi-point injection burner for a decomposition furnace described in the utility model.

[0015] The following are the descriptions of the reference numerals:

[0016] 1. Coal pipe; 2. Connecting flange; 3. Nozzle; 4. Nozzle; 5. Mounting surface. DETAILED DESCRIPTION

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] like Figure 1-Figure 3As shown, a multi-point injection burner for a decomposition furnace includes a coal pipe 1, the end of the coal pipe 1 is connected to a nozzle 3 through a connecting flange 2, the nozzle 3 is spherical in shape, and a nozzle 4 is arranged in a circular array on a horizontal plane at the center of the nozzle 3. Both upper and lower sides of the nozzle 3 are provided with a forward-inclined mounting surface 5, the mounting surface 5 is a plane, and the nozzle 4 is arranged on the mounting surface 5, and the nozzle 4 on the plane is arranged on a vertical plane at the center of the nozzle 3.

[0021] Each nozzle 4 is provided with an independent fuel control system for controlling the nozzle 4 to spray fuel into the decomposition furnace according to a preset mode and sequence. The fuel control system includes a valve for controlling the opening and closing of the nozzle 4 and a controller for controlling the action of the valve.

[0022] Working principle: the nozzle 3 is provided with a plurality of nozzles 4, each nozzle 4 is provided with an independent fuel control system, and these nozzles 4 spray fuel into the decomposition furnace according to a preset mode and timing to form a plurality of flame points, thereby realizing uniform distribution of heat; in addition, in addition to the fuel injection port, the nozzle 4 is also provided with an oxygen injection port for spraying oxygen into the furnace to support the combustion of the fuel, and the oxygen injection port can be linked with the fuel injection port to adjust the injection amount and injection timing of oxygen according to the fuel injection situation; when in use, the position, quantity and injection timing of the fuel injection port and the oxygen injection port can be adjusted according to the specific needs of the decomposition furnace and the characteristics of the materials in the furnace, and at the same time, the fuel injection and oxygen injection can be precisely controlled by the control system to realize the optimal heat distribution.

[0023] Valves and controllers are universal standard parts or parts known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods, so they will not be described in detail here.

[0024] The basic principles, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements shall fall within the scope of the utility model to be protected.

Claims

1. A multi-point injection burner for a calciner, comprising a coal pipe (1), characterized in that: The end of the coal pipe (1) is connected to a nozzle (3) via a connecting flange (2); the nozzle (3) is spherical in shape; nozzles (4) are arranged in a circular array on a horizontal plane at the center of the nozzle (3); both upper and lower sides of the nozzle (3) are provided with forward-inclined mounting surfaces (5); nozzles (4) are arranged on the mounting surfaces (5); and the nozzles (4) on the plane are arranged on a vertical plane at the center of the nozzle (3).

2. A multi-point injection burner for a decomposition furnace according to claim 1, characterized in that: The mounting surface (5) is a plane.

3. The multi-point injection burner for a decomposition furnace according to claim 1, characterized in that: Each of the nozzles (4) is provided with an independent fuel control system for controlling the nozzle (4) to spray fuel into the decomposition furnace according to a preset mode and sequence.

4. A multi-point injection burner for a decomposition furnace according to claim 3, characterized in that: The fuel control system includes a valve and a controller.

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