CN220728887U - Energy-saving four-channel burner of rotary kiln - Google Patents

Abstract

The utility model relates to the technical field of burner equipment, in particular to an energy-saving four-channel burner of a rotary kiln. The technical scheme includes that the burner comprises a burner body, a combustion cylinder arranged at the output end of the burner body and an air supply device for supplying air flow to the burner body, wherein a fuel output pipe is arranged at an air supply port of the burner body, and a multichannel fuel conveying pipeline is arranged at the other end of the fuel output pipe; the multi-channel fuel conveying pipeline is provided with a collecting pipe and a connecting pipeline, the collecting pipe is connected with the connecting pipeline through a plurality of one-way flow pipelines, and each one-way flow pipeline is provided with a control valve for controlling fuel to enter. According to the utility model, the quantity of the opened unidirectional flow pipeline is controlled, so that the fuel input quantity is realized, and the flame size is regulated by matching with the functions of the air supply device and the external fan.

Description

Energy-saving four-channel burner of rotary kiln

Technical Field

The utility model relates to the technical field of burner equipment, in particular to an energy-saving four-channel burner of a rotary kiln.

Background

The burner is a device for spraying mixed fuel in a certain way by using fuel and air, is generally called, and is divided into an industrial burner, a civil burner, a special burner and the like according to types and application fields, and is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metallic titanium and the like.

In the prior art, when the burner is used for the rotary kiln, the flame adjusting performance is poor, the flame size is inconvenient to control, and the burner head is easy to be damaged and deformed due to high temperature in the use process, so that the whole burner needs to be replaced, and the production progress is delayed.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model provides an energy-saving four-way burner of a rotary kiln, which can adjust the flame size according to requirements.

The technical scheme of the utility model is as follows: an energy-saving four-channel burner of a rotary kiln comprises a burner main body, a combustion cylinder arranged at the output end of the burner main body and an air supply device for supplying air flow to the burner main body, wherein a fuel output pipe is arranged at an air supply port of the burner main body, and a multi-channel fuel conveying pipeline is arranged at the other end of the fuel output pipe;

the multi-channel fuel conveying pipeline is provided with a collecting pipe and a connecting pipeline, the collecting pipe is connected with the connecting pipeline through a plurality of one-way flow pipelines, and each one-way flow pipeline is provided with a control valve for controlling fuel to enter.

Preferably, the fuel output pipe is arranged at 90 degrees, and the other end of the fuel output pipe faces the combustion cylinder.

Preferably, an igniter is arranged in the combustion cylinder.

Preferably, an air supply pipe is further arranged in the combustor main body, the other end of the air supply pipe is connected with an external fan through a guide pipe, and a sealing valve is arranged on the guide pipe.

Preferably, the air supply pipe extends into the burner main body in a 90-degree mode, and one end of the air supply pipe faces into the combustion cylinder.

Preferably, the collecting pipe is connected with the fuel output pipe through a connecting flange, and a sealing ring is arranged between the collecting pipe and the fuel output pipe.

Preferably, four unidirectional flow pipes are arranged, and the four unidirectional flow pipes are uniformly distributed between the collecting pipe and the connecting pipe.

Preferably, the joints of the unidirectional flow pipeline, the collecting pipe and the connecting pipeline are all in transition through smooth curved surfaces.

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

the utility model is connected with external fuel supply equipment through a connecting pipeline, fuel is input into the control valve through the connecting pipeline, the fuel enters the combustion cylinder through the collecting pipe and the burner main body, the fuel is ignited through the igniter, and air is supplied through the air supply device, so that flame is sent out of the combustion cylinder; the quantity of opening of the unidirectional flow pipeline is controlled, so that the input quantity of fuel is realized, and the flame size is adjusted by matching with the function of the air supply device.

Drawings

FIG. 1 shows a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a unidirectional flow conduit in accordance with the present utility model;

reference numerals: a 10 four-channel burner; 11 an air supply device; a burner body 12; 13 a combustion cylinder; 14, an igniter; 20 multichannel fuel delivery conduit; 21 a connecting pipeline; 22 control valve; 23 a unidirectional flow conduit; a 24 header; 25 fuel delivery pipes; 31 blast pipes; 32 catheters.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in 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 elements referred to 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.

Examples

As shown in fig. 1 and 2, the energy-saving four-channel burner 10 for a rotary kiln provided by the utility model comprises a burner main body 12, a combustion cylinder 13 arranged at the output end of the burner main body 12, and an air supply device 11 for supplying air flow to the burner main body 12, wherein a fuel output pipe 25 is arranged at the air supply port of the burner main body 12, and a multi-channel fuel conveying pipeline 20 is arranged at the other end of the fuel output pipe 25;

the multichannel fuel delivery tube 20 has a header 24 and a connecting tube 21, with the header 24 and connecting tube 21 being connected by a plurality of unidirectional flow tubes 23, each unidirectional flow tube 23 having a control valve 22 mounted thereon for controlling fuel ingress.

Is connected with an external fuel supply device through a connecting pipeline 21, fuel is input into a control valve 22 through the connecting pipeline 21, enters the combustion cylinder 13 through a collecting pipe 24 and a burner main body 12, is ignited through an igniter 14, is supplied with air through an air supply device 11, and realizes that flame is sent out of the combustion cylinder 13; by controlling the opening quantity of the unidirectional flow pipeline 23, the fuel input quantity is realized, and the flame size is regulated by matching with the action of the air supply device 11.

In this embodiment, the fuel delivery pipe 25 is disposed at 90 ° and the other end of the fuel delivery pipe 25 faces into the combustion cylinder 13. The fuel can be introduced into the combustion vessel 13 by the 90 ° arrangement of the fuel outlet pipe 25.

An igniter 14 is provided in the combustion cylinder 13. The fuel may be ignited by the igniter 14.

An air supply pipe 31 is also provided in the burner main body 12, the other end of the air supply pipe 31 is connected with an external fan through a conduit 32, and a sealing valve is provided on the conduit 32. When the air supply device 11 can meet the flame size requirement, the sealing valve is in a sealing state, so that the fuel is prevented from flowing along the air supply pipe 31, and when the flame size requirement cannot be met, the air is supplied into the combustor main body 12 through the external fan, the guide pipe 32 and the air supply pipe 31, the air supply device 11 is further assisted to blow, and the flame size is improved.

The air supply pipe 31 extends into the burner main body 12 at 90 ° and one end of the air supply pipe 31 faces into the combustion cylinder 13. By setting the air supply duct 31 to 90 °, the air direction is adjusted, and the fuel circulation speed is increased.

The collecting pipe 24 is connected with the fuel output pipe 25 through a connecting flange, and a sealing ring is arranged between the collecting pipe 24 and the fuel output pipe 25. The sealing ring is arranged to improve the tightness between the collecting pipe 24 and the fuel output pipe 25, so that the leakage of fuel gas is avoided.

In the present embodiment, as shown in conjunction with fig. 3, four unidirectional flow conduits 23 are provided, and the four unidirectional flow conduits 23 are uniformly distributed between the header 24 and the connection conduit 21.

The joints of the unidirectional flow conduit 23 with the header 24 and the connecting conduit 21 are all transited by smooth curved surfaces. Through the arrangement of the smooth curved surface, the flow resistance of fuel is reduced.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model is understood by those of ordinary skill in the art according to the specific circumstances.

The above-described embodiments are merely one or several preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (8)

1. The utility model provides an energy-saving four-channel combustor (10) of rotary kiln, includes combustor main part (12), installs at combustor section of thick bamboo (13) of combustor main part (12) output and to air supply arrangement (11) of combustor main part (12) provide air current, its characterized in that:

a fuel output pipe (25) is arranged at the air supply port of the burner main body (12), and a multichannel fuel conveying pipeline (20) is arranged at the other end of the fuel output pipe (25);

the multi-channel fuel delivery pipeline (20) is provided with a collecting pipe (24) and a connecting pipeline (21), the collecting pipe (24) is connected with the connecting pipeline (21) through a plurality of one-way flow pipelines (23), and a control valve (22) for controlling fuel to enter is arranged on each one-way flow pipeline (23).

2. An energy-efficient four-channel burner (10) for rotary kilns according to claim 1, wherein the fuel outlet pipe (25) is arranged at 90 °, the other end of the fuel outlet pipe (25) being directed into the combustion cylinder (13).

3. The rotary kiln energy-saving four-way burner (10) according to claim 1, characterized in that an igniter (14) is arranged in the combustion cylinder (13).

4. The energy-saving four-way burner (10) of the rotary kiln according to claim 1, wherein an air supply pipe (31) is further arranged in the burner main body (12), the other end of the air supply pipe (31) is connected with an external fan through a conduit (32), and a sealing valve is arranged on the conduit (32).

5. An energy-efficient four-way burner (10) for rotary kilns according to claim 4, wherein the air-supply duct (31) extends into the burner body (12) at 90 ° and one end of the air-supply duct (31) faces into the combustion cylinder (13).

6. The energy-saving four-channel burner (10) for rotary kiln according to claim 1, characterized in that the collecting pipe (24) and the fuel output pipe (25) are connected by a connecting flange, and a sealing ring is arranged between the collecting pipe (24) and the fuel output pipe (25).

7. An energy-efficient four-way burner (10) for rotary kilns according to claim 1, characterized in that said unidirectional flow conduits (23) are provided with four, four of said unidirectional flow conduits (23) being uniformly distributed between the header (24) and the connecting conduit (21).

8. An energy-saving four-way burner (10) for rotary kilns according to claim 1, characterized in that the joints of the unidirectional flow conduit (23) with the header (24) and the connecting conduit (21) are all transited by smooth curved surfaces.