CN221258832U

CN221258832U - 360-Degree omnibearing diffusion combustor in T-shaped arrangement for decomposing furnace

Info

Publication number: CN221258832U
Application number: CN202322530701.3U
Authority: CN
Inventors: 穆兴彬; 袁启亮; 姚光冬
Original assignee: Henan Dingnuo Thermal Engineering Co ltd
Current assignee: Henan Dingnuo Thermal Engineering Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-07-02
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a 360-degree omnibearing diffusion combustor which is arranged in a T shape for a decomposing furnace, and relates to the technical field of decomposing furnaces and decomposers, and the 360-degree omnibearing diffusion combustor comprises a coal inlet pipe and is characterized in that: one end of the coal inlet pipe is provided with a coal inlet, and the other end of the coal inlet pipe is connected with a connecting pipe in a sealing way; the beneficial effects are that: by arranging two coal injection boxes, two powder injection surfaces are formed, so that coal dust is diffused in all directions, the fuel utilization rate is improved, and the probability of skinning on the inner wall of the decomposing furnace is reduced; a reinforcing plate is arranged on the opposite side of the corresponding connecting pipe of the three-way coal pipe, so that the local wall thickness of the three-way coal pipe is increased, and the durability of the three-way coal pipe is prolonged; the setting pouring layer is used for conducting fire protection on the connecting pipe, so that powder supply is safer, the connecting pipe is connected with the three-way coal pipe through the flange plate, the coal injection box is connected with the three-way coal pipe through the flange plate, damaged local parts can be replaced according to the situation, and equipment cost is reduced.

Description

360-Degree omnibearing diffusion combustor in T-shaped arrangement for decomposing furnace

Technical Field

The utility model relates to the technical field of decomposers of decomposing furnaces, in particular to a 360-degree omnibearing diffusion combustor which is arranged in a T shape for a decomposing furnace.

Background

The decomposing furnace is a new type of thermal equipment with simultaneous fuel decomposing, heat exchanging and decomposing reactions, and its basic principle is that preheated raw material, fuel and hot gas are fed into the decomposing furnace simultaneously, the raw material is suspended or boiled in the furnace, the fuel is decomposed under 900 deg.c, and the heat transfer and calcium carbonate decomposing process is completed at high speed, and the decomposing furnace may use solid, liquid or gas fuel, with coal powder as fuel and the fuel added into the decomposing furnace accounts for 55-65% of the total fuel.

Under the general condition, the pulverized coal in the decomposing furnace is unevenly mixed, the periphery of the spray pipe is time-consuming and dark, the outer sleeve is easy to deform and burn out, the pulverized coal in the furnace is insufficiently decomposed, the inner wall of the decomposing furnace is seriously skinned, the middle part of the decomposing furnace is low in temperature, in order to increase the temperature, the amount of the pulverized coal used for the decomposing furnace is forced to be increased, the coal consumption is increased, the pulverized coal is combusted after the pulverized coal, the unburned pulverized coal of the decomposing furnace is continuously decomposed at the inlet of the cyclone barrel, the skinning is serious, the system resistance is increased, the clinker quality is affected, the combustible gas cannot be effectively decomposed due to uneven diffusion of the pulverized coal, a large amount of insufficiently decomposed fuel is contained in decomposed tail gas, the energy utilization rate is low, the heat value is low, the energy-saving and environment-friendly requirement of rotary kiln sintering of a cement plant cannot be met, and the existing decomposer is high in disassembly and replacement cost and inconvenient when the existing decomposer fails.

Disclosure of utility model

The utility model aims to solve the problems and provide a 360-degree omnibearing diffusion combustor with T-shaped arrangement for a decomposing furnace.

The utility model realizes the above purpose through the following technical scheme:

The 360-degree omnibearing diffusion combustor for the decomposing furnace comprises a coal inlet pipe, wherein one end of the coal inlet pipe is provided with a coal inlet, and the other end of the coal inlet pipe is connected with a connecting pipe in a sealing way; one end, far away from the coal inlet pipe, of the connecting pipe is connected with a three-way coal pipe in a sealing way, the upper end and the lower end of the three-way coal pipe are respectively connected with a coal injection box in a sealing way, and nozzles are uniformly and hermetically arranged on the coal injection boxes; a pouring layer is coated outside the connecting pipe; and a reinforcing plate is arranged on a side cover of the tee joint coal pipe, which is far away from the connecting pipe.

Preferably: and lattice ribs and harrow nails which are pre-buried in the pouring layer are fixedly arranged on the outer side of the connecting pipe.

Preferably: the pouring layer is close to one end of the coal inlet pipe and sleeved with a sleeve, the sleeve is fixedly connected with the coal inlet pipe through a flange plate, and the sleeve is inlaid on the decomposing furnace wall.

Preferably: the coal inlet pipe is fixedly sleeved with a fixing sleeve ring, and a fixing lug plate fixedly connected with the outside is fixedly arranged on the fixing sleeve ring.

Preferably: the inside of the nozzle is provided with a closing-in structure.

Preferably: the connecting pipe is fixedly connected with the three-way coal pipe through a flange plate.

Preferably: the coal injection box is fixedly connected with the three-way coal pipe through a flange plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging two coal injection boxes, two powder injection surfaces are formed, so that coal dust is diffused in all directions, the fuel utilization rate is improved, and the probability of skinning on the inner wall of the decomposing furnace is reduced;

2. A reinforcing plate is arranged on the opposite side of the corresponding connecting pipe of the three-way coal pipe, so that the local wall thickness of the three-way coal pipe is increased, and the durability of the three-way coal pipe is prolonged;

3. The pouring layer is arranged to protect the connecting pipe from fire, so that powder supply is safer, the connecting pipe is connected with the three-way coal pipe through the flange plate, the coal injection box is connected with the three-way coal pipe through the flange plate, damaged local parts can be replaced according to the situation, and equipment cost is reduced;

4. And through holes are formed in the lattice ribs, so that stress concentration conditions at the joint of the lattice ribs and the connecting pipe are reduced, and production cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a 360-degree omni-directional diffusion burner for a decomposing furnace according to the present utility model.

Fig. 2 is a schematic top view of a coal injection box of a 360 ° omnibearing diffusion burner for decomposing furnace.

The reference numerals are explained as follows:

1. A coal inlet; 2. fixing the ear plate; 3. a fixed collar; 4. a coal inlet pipe; 5. a sleeve; 6. a connecting pipe; 7. lattice ribs; 8. a nozzle; 9. a coal injection box; 10. a three-way coal pipe; 11. a reinforcing plate; 12. and (5) pouring a layer.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The utility model is further described below with reference to the accompanying drawings:

Example 1

The 360-degree omnibearing diffusion combustor for the decomposing furnace comprises a coal inlet pipe 4, wherein one end of the coal inlet pipe 4 is provided with a coal inlet 1, the coal inlet 1 is in sealing connection with an external pulverized coal supply device through a flange, and the other end of the coal inlet pipe is in sealing connection with a connecting pipe 6; one end of the connecting pipe 6 far away from the coal inlet pipe 4 is hermetically connected with a three-way coal pipe 10, the upper end and the lower end of the three-way coal pipe 10 are respectively and hermetically connected with a coal injection box 9, the upper coal injection box 9 and the lower coal injection box 9 are arranged for injecting coal simultaneously, two combustion surfaces are formed, combustion is more complete, and nozzles 8 are uniformly and hermetically arranged on the coal injection boxes 9; the connecting pipe 6 is externally coated with a pouring layer 12, and the pouring layer 12 is an internal fire material layer; the reinforcing plate 11 is covered on one side of the three-way coal pipe 10 far away from the connecting pipe 6, and after coal dust enters the three-way coal pipe 10 from the connecting pipe 6, the side wall of the three-way coal pipe 10 is worn, and the reinforcing plate 11 can strengthen the structure of the three-way coal pipe 10, enhance the durability and prolong the service life; the outer side of the connecting pipe 6 is fixedly provided with lattice ribs 7 and harrow nails which are pre-buried in the pouring layer 12, and the connection between the pouring layer 12 and the connecting pipe 6 is enhanced; a sleeve 5 is sleeved at one end of the pouring layer 12 close to the coal inlet pipe 4, the sleeve 5 is fixedly connected with the coal inlet pipe 4 through a flange plate, and the sleeve 5 is embedded on the decomposing furnace wall; a fixed lantern ring 3 is fixedly sleeved on the coal inlet pipe 4, and a fixed ear plate 2 used for being fixedly connected with the outside is fixedly arranged on the fixed lantern ring 3; the inside of the nozzle 8 is provided with a closing-in structure, so that the powder spraying pressure is increased, and the powder spraying is more dispersed.

Example 2

The distinguishing features of this embodiment from embodiment 1 are that: the connecting pipe 6 is fixedly connected with the three-way coal pipe 10 through a flange plate.

Example 3

As shown in fig. 1 to 2, the distinguishing features of this embodiment from embodiment 2 are that: the coal injection box 9 is fixedly connected with the three-way coal pipe 10 through a flange plate.

Working principle: during the use, with sleeve pipe 5 fixed mounting on the decomposing furnace lateral wall, advance coal pipe 4, the relative level setting of connecting pipe 6, advance coal mouth 1 and outside and supply buggy device sealing connection through the ring flange, buggy is spouted through the nozzle 8 on two coal injection boxes 9 of tee bend coal pipe 10 upper end and lower extreme, make the buggy form two combustion surfaces, it is more abundant to burn, pour layer 12 in the decomposition process and carry out thermal-insulated protection to connecting pipe 6, when nozzle 8 or tee bend coal pipe 10 break down, all can dismantle respectively through the dismantlement screw, thereby realize local change, reduce use cost.

While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. 360 All-round diffusion combustor that type arrangement was used to decomposition stove includes coal feed pipe (4), its characterized in that: one end of the coal inlet pipe (4) is provided with a coal inlet (1), and the other end of the coal inlet pipe is connected with a connecting pipe (6) in a sealing way; one end, far away from the coal inlet pipe (4), of the connecting pipe (6) is connected with a three-way coal pipe (10) in a sealing way, the upper end and the lower end of the three-way coal pipe (10) are respectively connected with a coal injection box (9) in a sealing way, and nozzles (8) are uniformly and hermetically arranged on the coal injection boxes (9); a pouring layer (12) is coated outside the connecting pipe (6); one side of the three-way coal pipe (10) far away from the connecting pipe (6) is covered with a reinforcing plate (11).

2. A 360 ° all-round diffusion burner for a decomposition furnace T-shaped arrangement according to claim 1, wherein: and the outer side of the connecting pipe (6) is fixedly provided with lattice ribs (7) and harrow nails which are pre-buried in the pouring layer (12).

3. A 360 ° all-round diffusion burner for a decomposition furnace T-shaped arrangement according to claim 1, wherein: the pouring layer (12) is close to one end of the coal inlet pipe (4) and sleeved with a sleeve (5), the sleeve (5) is fixedly connected with the coal inlet pipe (4) through a flange plate, and the sleeve (5) is inlaid on the decomposing furnace wall.

4. A 360 ° all-round diffusion burner for a decomposition furnace T-shaped arrangement according to claim 1, wherein: the coal feeding pipe (4) is fixedly sleeved with a fixing sleeve ring (3), and the fixing sleeve ring (3) is fixedly provided with a fixing lug plate (2) which is fixedly connected with the outside.

5. A 360 ° all-round diffusion burner for a decomposition furnace T-shaped arrangement according to claim 1, wherein: the inside of the nozzle (8) is provided with a closing-in structure.

6. A 360 ° all-round diffusion burner for a decomposition furnace T-shaped arrangement according to claim 1, wherein: the connecting pipe (6) is fixedly connected with the three-way coal pipe (10) through a flange plate.

7. A 360 ° all-round diffusion burner for a decomposition furnace in a T-shaped arrangement in accordance with claim 6, wherein: the coal injection box (9) is fixedly connected with the three-way coal pipe (10) through a flange plate.