CN212179249U - Burner for hot blast stove - Google Patents

Abstract

The utility model discloses a burner for hot blast stove relates to burner equipment technical field. Including air-blower, combustor frame, furnace end and gas proportion regulation and control mechanism, be equipped with combustible gas pipeline, air duct and burning chamber in the combustor frame, combustible gas pipeline and air duct communicate respectively to in the burning chamber, the air-blower is installed on the combustor frame, the output intercommunication of air-blower is to in the air duct, gas proportion regulation and control mechanism sets up in the combustor frame, the furnace end is installed in burning the chamber, the furnace end is the loudspeaker form, be equipped with the round burner port in the less one end of bore in the furnace end, combustible gas pipeline communicates to burner port department, the outer wall of furnace end is equipped with many rings of bleeder vents, the air conduit communicates to the outer wall department of furnace end. The utility model has the advantages of simple structure, the combustion efficiency that can improve the combustor increases its life simultaneously.

Description

Burner for hot blast stove

Technical Field

The utility model relates to a combustor equipment technical field especially relates to a combustor for hot-blast furnace.

Background

The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types. In the prior art, heat energy is provided for the hot blast stove through the burner, but because the hot blast stove needs to be operated for a long time, the problems of high heat quantity, low combustion efficiency and convenient control of working temperature can exist in the long-time working process of the burner.

SUMMERY OF THE UTILITY MODEL

The utility model provides a burner for hot blast stove to the technical problem that the burner of solving among the prior art has heat dispersion poor, life is low and combustion efficiency is low.

A burner for a hot blast stove comprises an air blower, a burner frame, a burner head and a gas proportion regulating and controlling mechanism, wherein a combustible gas pipeline, an air pipeline and a combustion cavity are arranged in the burner frame, the combustible gas pipeline and the air pipeline are communicated into the combustion cavity respectively, the air blower is installed on the burner frame, the output end of the air blower is communicated into the air pipeline, the gas proportion regulating and controlling mechanism is arranged in the burner frame, the burner head is installed in the combustion cavity and is horn-shaped, a circle of combustion holes are formed in one end, with a smaller diameter, of the burner head, the combustible gas pipeline is communicated to the combustion holes, a plurality of circles of air holes are formed in the outer wall of the burner head, and the air pipeline is communicated to the outer wall of the burner head.

Further, the gas proportion regulating and controlling mechanism is composed of an air regulating valve, a combustible gas regulating valve, a regulating motor, a first regulating rod and a second regulating rod, wherein the air regulating valve is arranged in an air pipeline, the combustible gas regulating valve is arranged in the combustible gas pipeline, the regulating motor is fixed at the side end of the burner frame, two ends of the first regulating rod are respectively installed on the regulating motor and the combustible gas regulating valve, and two ends of the second regulating rod are respectively installed on the combustible gas regulating valve and the air regulating valve.

Furthermore, an observation hole is formed in the furnace end.

Furthermore, four spacing blocks are arranged on the outer side wall of the furnace end and abut against the inside of the combustion cavity.

Further, the outside in burning chamber is equipped with sealed fixed plate, be equipped with sealed barrier layer on the terminal surface that is close to burning chamber output on the sealed fixed plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of which, the utility model discloses in with air input air pipe through the air-blower and through the bleeder vent entering burning chamber, but increase the combustion efficiency of gas through the mixture of air and gas, the air that utilizes high-speed flow simultaneously can cool down furnace end and burning chamber, thereby improve the life in furnace end and burning chamber, and simultaneously, the combustible gas through the burning heats the air, thereby make high temperature air carry and heat to the hot-blast furnace in, utilize the gas proportion of the gas proportion regulation and control mechanism control gas and air, thereby make the gas be in the optimum with the mixing proportion of air, further improve the combustion efficiency of gas, there is the heat dispersion with this combustor of effectively solving among the prior art poor, the technical problem that life is low and combustion efficiency hangs down.

Two, the utility model discloses in can drive first regulation pole through adjusting motor and remove and drive in step and adjust the combustible gas regulating valve, drive the second regulation pole when adjusting motor drives the combustible gas regulating valve and rotate the regulation and remove and drive air regulating valve and adjust, and can adjust the regulation proportion of combustible gas regulating valve and air regulating valve according to the position that the second regulation pole was installed on combustible gas regulating valve and air regulating valve, thereby make air and combustible gas can get into the burning chamber according to appropriate proportion, adjust the entering proportion of air with this condition to the abundant burning of combustible gas of difference, further increased the utility model discloses a combustion efficiency.

Thirdly, the utility model discloses be equipped with an observation hole on the furnace end, can observe the combustion conditions of the inside flame of furnace end at the back of furnace end through observing the hole to judge the running state of equipment, prevent that the staff can't in time discover to cause equipment to damage and combustible gas to leak under the equipment abnormal state.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a first angle structure diagram of the present invention;

FIG. 2 is a second angle structure diagram of the present invention;

FIG. 3 is a third angle structure diagram of the present invention;

FIG. 4 is a side view of the middle burner of the present invention;

FIG. 5 is a schematic perspective view of a middle burner of the present invention;

reference numerals: the gas burner comprises a blower 1, a burner frame 2, a combustible gas pipeline 21, an air pipeline 22, a combustion cavity 23, a sealing fixing plate 24, a burner 3, combustion holes 31, air holes 32, observation holes 33, a spacing block 34, a gas proportion regulating mechanism 4, an air regulating valve 41, a combustible gas regulating valve 42, a regulating motor 43, a first regulating rod 44 and a second regulating rod 45.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" 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 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 invention can be understood in specific cases to those skilled in the art.

A burner for a hot blast stove comprises a blower 1, a burner frame 2, a burner head 3 and a gas proportion regulating mechanism 4, wherein a combustible gas pipeline 21, an air pipeline 22 and a combustion cavity 23 are arranged in the burner frame 2, the combustible gas pipeline 21 and the air pipeline 22 are respectively communicated into the combustion cavity 23, combustible gas is communicated into the combustion cavity 23 through the combustible gas pipeline 21 for combustion, the blower 1 is arranged on the burner frame 2, the output end of the blower 1 is communicated into the air pipeline 22, air is conveyed into the air pipeline 22 through the blower 1 and then enters the combustion cavity 23 to be fully mixed with the combustible gas, so that the combustion efficiency of the combustible gas is increased, the gas proportion regulating mechanism 4 is arranged in the burner frame 2, the ratio of the air inflow of the combustible gas to the air inflow of the burner 1 is regulated through the gas proportion regulating mechanism 4, the burner 3 is arranged in a combustion cavity 23, the burner 3 is horn-shaped, a circle of combustion holes 31 are formed in one end of the burner 3 with a smaller caliber, the combustible gas pipeline 21 is communicated with the combustion holes 31, the combustible gas enters the burner 3 through the combustion holes 31 to be combusted when in use, a plurality of circles of air holes 32 are formed in the outer wall of the burner 3, the air pipeline 22 is communicated with the outer wall of the burner 3, air is input into the air pipeline 22 through the air blower 1 and enters the combustion cavity 23 through the air holes 32, the combustible gas combustion efficiency is increased through the mixing of the air and the combustible gas, and the burner 3 and the combustion cavity 23 can be cooled by utilizing the high-speed flowing air, so that the service life of the burner 3 and the combustion cavity 23 is prolonged, meanwhile, the air is heated by the combustible gas, so that the high-temperature air is conveyed to the hot blast stove to be heated.

Preferably, the gas proportion control mechanism 4 comprises an air control valve 41, a flammable gas regulating valve 42, a regulating motor 43, a first regulating rod 44 and a second regulating rod 45, the air control valve 41 is disposed in the air duct 22, the air regulating valve 41 can regulate the air intake, the flammable gas regulating valve 42 is disposed in the flammable gas duct 21, the flammable gas regulating valve 42 can regulate the intake of the flammable gas, the regulating motor 43 is fixed at the side end of the burner frame 2, two ends of the first regulating rod 44 are respectively mounted on the regulating motor 43 and the flammable gas regulating valve 42, the first regulating rod 44 can be driven by the regulating motor 43 to move and synchronously drive the flammable gas regulating valve 42 to regulate, two ends of the second regulating rod 45 are respectively mounted between the flammable gas regulating valve 42 and the air control valve 41, when the adjusting motor 43 drives the gas regulating valve 42 to rotate and adjust, the second adjusting rod 45 is driven to move and the air adjusting valve 41 is driven to adjust, and the adjusting ratio of the gas regulating valve 42 and the air adjusting valve 41 can be adjusted according to the position of the second adjusting rod 45 installed on the gas regulating valve 42 and the air adjusting valve 41, so that the air and the combustible gas can enter the combustion chamber 23 according to the proper ratio.

Preferably, be equipped with an observation hole 33 on the furnace end 3, can observe the burning condition of the inside flame of furnace end 3 at the back of furnace end 3 through observation hole 33 to judge the running state of equipment, prevent that the staff can't in time discover to cause equipment to damage and combustible gas to leak under the equipment abnormal state.

Preferably, be equipped with four spacer blocks 34 on furnace end 3's the lateral wall, four spacer block 34 conflicts in the inside of burning chamber 23, and its effect lies in, when installing furnace end 3 in burning chamber 23, conflicts each other through spacer block 34 and burning chamber 23's inner wall, thereby conflicts between messenger furnace end 3 and the burning chamber 23, thereby reduces the area of contact of 3 outer walls of furnace end and burning chamber 23 inner wall, with this radiating efficiency who has increased furnace end 3, prevents that 3 high temperatures of furnace end from causing the damage, further increased the utility model discloses a life, thereby do not conflict to furnace end 3 through four spacer blocks 34 that set up simultaneously and make furnace end 3 can be in the centre of burning chamber 23, thereby the burning direction of furnace end 3 produces the skew, leads to the combustion efficiency of equipment to reduce.

Preferably, the outside of burning chamber 23 is equipped with sealed fixed plate 24, be equipped with sealed barrier layer on the sealed fixed plate 24 near the terminal surface of burning chamber 23 output, can fix burning chamber 23 on the lateral wall of hot-blast furnace through sealed fixed plate 24, can seal the contact terminal surface of burning chamber 23 and hot-blast furnace through the sealed barrier layer that sets up to prevent that high temperature air current from spilling in the clearance between burning chamber 23 and the hot-blast furnace, thereby make the whole temperature of equipment increase, influence the life of product.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (5)

1. A burner for a hot blast stove comprises an air blower (1) and is characterized by further comprising a burner frame (2), a burner (3) and a gas proportion regulating and controlling mechanism (4), wherein a combustible gas pipeline (21), an air pipeline (22) and a combustion cavity (23) are arranged in the burner frame (2), the combustible gas pipeline (21) and the air pipeline (22) are respectively communicated to the combustion cavity (23), the air blower (1) is installed on the burner frame (2), the output end of the air blower (1) is communicated to the air pipeline (22), the gas proportion regulating and controlling mechanism (4) is arranged in the burner frame (2), the burner (3) is installed in the combustion cavity (23), the burner (3) is horn-shaped, a circle of combustion holes (31) are formed in one end of the burner (3) with a smaller caliber, the combustible gas pipeline (21) is communicated to the combustion holes (31), the outer wall of the furnace end (3) is provided with a plurality of circles of air holes (32), and the air pipeline (22) is communicated to the outer wall of the furnace end (3).

2. The burner for a hot blast stove according to claim 1, wherein the gas proportion adjusting and controlling mechanism (4) is composed of an air adjusting valve (41), a gas adjusting valve (42), an adjusting motor (43), a first adjusting lever (44) and a second adjusting lever (45), the air adjusting valve (41) is disposed in the air duct (22), the gas adjusting valve (42) is disposed in the gas duct (21), the adjusting motor (43) is fixed to a side end of the burner frame (2), both ends of the first adjusting lever (44) are respectively installed on the adjusting motor (43) and the gas adjusting valve (42), and both ends of the second adjusting lever (45) are respectively installed on the gas adjusting valve (42) and the air adjusting valve (41).

3. Burner for a hot blast stove according to claim 1, characterized in that the burner (3) is provided with a viewing hole (33).

4. Burner for a hot blast stove according to claim 1, characterized in that four spacers (34) are provided on the outer side wall of the burner (3), the four spacers (34) abutting in the interior of the combustion chamber (23).

5. A burner for a hot blast stove according to claim 1, characterized in that the outside of the combustion chamber (23) is provided with a sealing and fixing plate (24), and the sealing and fixing plate (24) is provided with a sealing and blocking layer on the end surface close to the outlet end of the combustion chamber (23).

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