CN219367617U - Combustor and metallurgical equipment using same - Google Patents

Combustor and metallurgical equipment using same Download PDF

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Publication number
CN219367617U
CN219367617U CN202320254795.3U CN202320254795U CN219367617U CN 219367617 U CN219367617 U CN 219367617U CN 202320254795 U CN202320254795 U CN 202320254795U CN 219367617 U CN219367617 U CN 219367617U
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CN
China
Prior art keywords
pipe
baffle
gas
orifice
adjusting rod
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Active
Application number
CN202320254795.3U
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Chinese (zh)
Inventor
张海政
张明明
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Shenzhen Starmerx E Commerce Co ltd
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Shenzhen Starmerx E Commerce Co ltd
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Priority to CN202320254795.3U priority Critical patent/CN219367617U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Feeding And Controlling Fuel (AREA)

Abstract

A combustor and metallurgical equipment using the same, comprising a first through pipe, a second through pipe and a third through pipe which are communicated in sequence; the inner diameters of the first through pipe and the third through pipe are larger than those of the second through pipe; the side wall of the first through pipe is provided with a gas input pipe, one end of the gas input pipe is closed, the other end of the gas input pipe is open, one end of the gas input pipe is positioned outside the first through pipe, a gas outlet is formed in the part of the peripheral wall of the gas input pipe positioned inside the first through pipe, the gas outlet is communicated with the inside of the gas input pipe, the gas outlet opening is arranged towards the second through pipe, the gas outlet is a gradually-expanding opening, and the gas outlet is used for blowing gas into the second through pipe; a baffle with an adjustable position is arranged on one side of the first through pipe far away from the third through pipe; when the fuel gas is sprayed out from the air outlet, the fuel gas is sprayed out in a gradually-expanding shape, so that the fuel gas is more stable and fully combusted; the air inlet efficiency of the first through pipe is adjusted through the baffle plate, so that air and fuel gas are mixed according to an optimal proportion, and the fuel gas is ensured to be fully and stably combusted.

Description

Combustor and metallurgical equipment using same
Technical Field
The utility model belongs to the technical field of combustion devices, and particularly relates to a combustor and metallurgical equipment using the same.
Background
The burner is widely applied to the fields of metallurgy, kiln burning and the like. When the existing burner is used, in order to ensure that fuel gas can be fully and stably combusted, the heating effect of the fuel gas is improved, air inlet efficiency of entering the burner is required to be adjusted, air and the fuel gas are fully mixed, a corresponding air adjusting structure and a corresponding air mixing structure are required to be arranged normally, the structure of the existing burner is complex, tempering effect can be inevitably generated in the using process of the burner, waste residues generated in the metallurgical or kiln burning process can easily enter the inside of the burner, and if the internal structure of the burner is too complex, the burner is inconvenient to detach and clean, so that the use of the burner can be affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a combustor with a relatively simple structure and metallurgical equipment using the combustor.
The utility model is realized in such a way that the burner comprises a first through pipe, a second through pipe and a third through pipe which are sequentially arranged, wherein the first through pipe, the second through pipe and the third through pipe are sequentially communicated; the inner diameter of the first through pipe and the inner diameter of the third through pipe are both larger than the inner diameter of the second through pipe;
the side wall of the first through pipe is provided with a gas input pipe, one end of the gas input pipe is closed, the other end of the gas input pipe is open, one closed end of the gas input pipe penetrates through one side wall of the first through pipe and extends to the other side wall of the first through pipe, one end of the gas input pipe opening is positioned outside the first through pipe, a part of the peripheral wall of the gas input pipe positioned inside the first through pipe is provided with a gas outlet, the gas outlet is communicated with the inside of the gas input pipe, the gas outlet opening faces towards the second through pipe, the gas outlet is a gradually-expanding opening, and the gas outlet is used for blowing gas into the second through pipe;
the first through pipe is far away from the baffle piece with adjustable one side position of the third through pipe, and the baffle piece is used for shielding or opening the pipe orifice of the first through pipe.
Optionally, a projection of the air outlet towards the direction of the third tube intersects with an inner wall of the second tube.
Optionally, the air outlet is any one of a horn-shaped opening, a bowl-shaped opening or a cone-shaped opening.
Optionally, the center of the air outlet is disposed on the axis of the first through pipe.
Optionally, the gas input pipe is disposed along a radial direction of the first through pipe.
Optionally, a threaded joint is arranged at one end of the gas input pipe far away from the first through pipe.
Optionally, a chamfer is provided at an end of the gas input pipe away from the first through pipe, and the chamfer is a round angle or an oblique angle.
Optionally, the baffle is any one of a circular baffle, an oval baffle or a polygonal baffle;
optionally, the position of the baffle in the axial direction of the first through pipe is adjustable.
Optionally, the flap is position-adjustable in a direction perpendicular to the first through-tube axis.
Optionally, the baffle is arranged on an adjusting rod, and the adjusting rod is arranged on the first through pipe.
Optionally, the separation blade is movably arranged on the adjusting rod, the adjusting rod is fixedly connected with the first through pipe, the pipe orifice of the first through pipe is opposite to the separation blade, and the separation blade can move towards or away from the pipe orifice of the first through pipe so as to change the distance between the separation blade and the first through pipe.
Optionally, the adjusting rod is movably arranged on the first through pipe, the pipe orifice of the first through pipe is opposite to the baffle plate, and the adjusting rod can drive the baffle plate to move towards or away from the pipe orifice of the first through pipe so as to change the distance between the baffle plate and the first through pipe.
Optionally, the baffle is rotatably arranged on the adjusting rod, the adjusting rod is fixedly connected with the first through pipe, the center of the baffle and the center of the first through pipe are both deviated from the axis of the adjusting rod, and when the baffle rotates relative to the adjusting rod, the shielding area of the baffle on the pipe orifice of the first through pipe is changed along with the rotation of the baffle; the position of the baffle plate when the shielding area of the baffle plate to the first pipe orifice is minimum is defined as a first position, the position of the baffle plate when the shielding area of the baffle plate to the first pipe orifice is maximum is defined as a second position, and the baffle plate can rotate from the first position to the second position.
Optionally, the adjusting rod is rotatably disposed on the first through pipe, the center of the blocking piece and the center of the first through pipe are both deviated from the axis of the adjusting rod, the adjusting rod rotates to drive the blocking piece to rotate synchronously, the blocking area of the blocking piece relative to the orifice of the first through pipe changes along with the rotation of the adjusting rod, the position of the blocking piece when the blocking area of the blocking piece relative to the orifice of the first through pipe is defined as a first position, the position of the blocking piece when the blocking area of the blocking piece relative to the orifice of the first through pipe is maximum is defined as a second position, and the adjusting rod can drive the blocking piece to rotate from the first position to the second position.
Optionally, the baffle is movably arranged on an adjusting rod, and the adjusting rod is fixedly arranged on the first through pipe; the adjusting rod is a screw rod, one side of the baffle plate, which is far away from the first through pipe, is fixed on a nut, and the nut is in threaded connection with the adjusting rod.
Optionally, an adjusting block is arranged on the side wall of the nut.
Optionally, the number of the adjusting blocks is two, and the two adjusting blocks are arranged in a splayed shape.
Optionally, the number of the adjusting blocks is more than three, and more than three adjusting blocks are arranged in an umbrella shape.
Optionally, the adjusting rod is coaxial with the first through pipe.
Optionally, the blocking piece can move along the axial direction of the first through pipe.
Optionally, the inside dead lever that is provided with of first siphunculus, the dead lever is followed first siphunculus radially sets up, the dead lever sets up the gas input tube is kept away from one side of third siphunculus, the dead lever with the gas input tube alternately sets up, the regulation pole sets up on the dead lever.
Optionally, the first through pipe, the second through pipe, the third through pipe and the gas input pipe are all metal pipes.
Optionally, the surfaces of the first through pipe, the second through pipe, the third through pipe and the gas input pipe are provided with sand blasting layers, and high-temperature resistant paint layers are arranged outside the sand blasting layers.
Optionally, the first, second and third tubes are coaxially arranged.
Optionally, a first stepped hole is formed between the first through pipe and the second through pipe.
Optionally, a second stepped hole is formed between the third through pipe and the second through pipe.
The embodiment of the utility model also provides metallurgical equipment, which comprises a metallurgical furnace and the burner, wherein one end of the third through pipe of the burner, which is far away from the first through pipe, extends into the metallurgical furnace.
When the burner and the metallurgical equipment using the burner provided by the embodiment of the utility model are used, firstly, a fuel gas input pipe is connected into gas supply equipment, and a baffle plate is moved to a position for sealing a pipe orifice of a first through pipe; then, opening a gas valve to enable gas to enter the combustor, enabling the gas to sequentially pass through the first through pipe, the second through pipe and the third through pipe, and finally releasing the gas from the orifice of the third through pipe; then, igniting the fuel gas from the position of the orifice of the third through pipe; then, connecting a burner for igniting the fuel gas with the metallurgical furnace; finally, the baffle plate is moved, the size of the opening at the pipe orifice of the first through pipe is adjusted, and the air inlet efficiency of the combustor is adjusted by the through pipe, so that the firepower of the combustor is adjusted. According to the burner and the metallurgical equipment using the burner, the gas outlet on the gas input pipe is the divergent opening, so that gas is ejected in a divergent shape when being ejected from the gas outlet, and when air enters the first through pipe, the second through pipe and the third through pipe, the air and the gas can be better mixed, and more stable and full combustion of the gas is facilitated; the position of the baffle plate at one side of the first through pipe is adjustable, and the air inlet efficiency of the first through pipe can be adjusted by adjusting the position of the baffle plate, so that the air and the fuel gas are fully mixed according to the optimal proportion, the fuel gas is ensured to be fully and stably combusted, and the metal smelting is facilitated; the burner provided by the embodiment of the utility model has the advantages of simple structure, convenience in adjustment and convenience in forming flame which is fully stable in combustion, and can be conveniently cleaned and treated when corresponding waste residues enter the burner in the smelting process due to the simple internal structure of the burner.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a burner provided in one embodiment of the present utility model.
Fig. 2 is a cross-sectional view taken along A-A of fig. 1.
Fig. 3 is an enlarged view at D in fig. 2.
Fig. 4 is a cross-sectional view of fig. 1 taken along the direction B-B.
Fig. 5 is a cross-sectional view of fig. 1 taken along the direction C-C.
Fig. 6 is a perspective view of fig. 1.
Fig. 7 is a schematic view of the baffle of fig. 1 away from the first tube.
FIG. 8 is a front view of a burner provided by another embodiment of the present utility model, with a flap in a first position.
Fig. 9 is a top view of fig. 8.
FIG. 10 is a schematic view of the baffle of the combustor provided in FIG. 8 between a first position and a second position.
Fig. 11 is a top view of fig. 10.
FIG. 12 is a schematic view of the baffle of the burner provided in FIG. 8 in a second position.
Fig. 13 is a top view of fig. 12.
FIG. 14 is a front view of a burner in which a flap is in a first position, according to yet another alternative embodiment of the present utility model.
Fig. 15 is a top view of fig. 14.
FIG. 16 is a schematic view of the combustor baffle provided in FIG. 14 between a first position and a second position.
Fig. 17 is a top view of fig. 16.
FIG. 18 is a schematic view of the baffle of the burner provided in FIG. 14 in a second position.
Fig. 19 is a top view of fig. 18.
FIG. 20 is a schematic view of a metallurgical furnace provided in an embodiment of the utility model.
FIG. 21 is a schematic illustration of a burner in cooperation with a metallurgical furnace, in accordance with an embodiment of the present utility model.
Reference numerals: 1. a first through pipe; 2. a second through pipe; 3. a third pipe; 4. a gas input pipe; 41. an air outlet; 42. a threaded joint; 43. chamfering; 5. a baffle; 6. an adjusting rod; 7. a nut; 8. an adjusting block; 9. a fixed rod; 10. a metallurgical furnace.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 7, the burner provided by the embodiment of the utility model comprises a first through pipe 1, a second through pipe 2 and a third through pipe 3 which are sequentially arranged, wherein the first through pipe 1, the second through pipe 2 and the third through pipe 3 are sequentially communicated; the inner diameter of the first through pipe 1 and the inner diameter of the third through pipe 3 are both larger than the inner diameter of the second through pipe 2;
the side wall of the first through pipe 1 is provided with a gas input pipe 4, one end of the gas input pipe 4 is closed, the other end of the gas input pipe 4 is open, the closed end of the gas input pipe 4 penetrates through the side wall of one side of the first through pipe 1 and extends to the side wall of the other side of the first through pipe 1, one end of the opening of the gas input pipe 4 is positioned outside the first through pipe 1, a part of the peripheral wall of the gas input pipe 4 positioned inside the first through pipe 1 is provided with a gas outlet 41, the gas outlet 41 is communicated with the inside of the gas input pipe 4, the opening of the gas outlet 41 is arranged towards the second through pipe 2, the gas outlet 41 is a divergent opening, the gas outlet 41 is used for blowing the gas into the second through pipe 2, the divergent opening is convenient for spraying the gas in a divergent manner, the gas diffusion area is increased, the mixing efficiency of the gas and the air is fully mixed with the gas without a complicated gas mixing structure, and the gas is fully and stably combusted;
a baffle 5 with an adjustable position is arranged on one side of the first through pipe 1 far away from the third through pipe 3, and the baffle 5 is used for shielding or opening the pipe orifice of the first through pipe 1; it will be appreciated that: when the position of the baffle 5 is adjusted, the distance between the baffle 5 and the first through pipe 1 can be changed or the shielding area of the baffle 5 to the pipe orifice of the first through pipe 1 can be changed, so that the efficiency of air entering the first through pipe 1 can be changed; the air quantity entering the first through pipe 1 in unit time can be adjusted through adjusting the baffle plate 5, so that the mixing proportion of air and fuel gas is adjusted, the air and the fuel gas are conveniently mixed according to the optimal proportion, and the fuel gas is fully and stably combusted.
In the embodiment of the utility model, the air passes through the first through pipe 1, the second through pipe 2 and the third through pipe 3 which are sequentially communicated, and the inner diameter of the first through pipe 1 and the inner diameter of the third through pipe 3 are larger than the inner diameter of the second through pipe 2, so that the direction of part of air changes when the air enters the second through pipe 2 from the first through pipe 1, the air in the first through pipe 1 is converged into the second through pipe 2, and the air outlet 41 is a gradually-expanding opening, the gas is ejected in a gradually-expanding manner, the gas diffusion surface is wider, the air can be well mixed with the diffused gas in the converging process, the mixing efficiency of the gas and the air can be improved, the mixed gas can be conveniently and fully combusted stably, stable flame is formed, and the using effect of the burner is improved; the inner diameter of the third through pipe 3 is larger than that of the second through pipe 2, so that the mixed gas in the second through pipe is diffused when entering the third through pipe 3 and being sprayed out from the pipe orifice of the third through pipe 3, thereby being beneficial to forming corresponding flat flame and meeting the use requirement of the burner; when the burner is used, a large amount of high-temperature gas can be generated after the mixed gas is ignited at the position of the pipe orifice of the third pipe 3, and the air temperature of the pipe orifice of the first pipe 1 is lower, so that corresponding negative pressure is formed between the pipe orifice of the third pipe 3 and the pipe orifice of the first pipe 1, and the gas sprayed out of the gas outlet 41 and the air of the pipe orifice of the first pipe 1 are forced to move towards the pipe orifice of the third pipe 3, so that the air and the gas can move from the first pipe 1 to the third pipe 3 without the aid of corresponding blast or supercharging equipment, the burner is facilitated to be simplified, and the burner is convenient to disassemble and clean; the efficiency of air entering the first through pipe 1 can be changed by adjusting the position of the baffle 5, so that air and fuel gas can be conveniently mixed according to the optimal mixing proportion, the fuel gas can be fully and stably combusted, and the using effect of the burner is ensured.
Alternatively, the projection of the air outlet 41 in the direction of the third through pipe 3 intersects the inner wall of the second through pipe 2; therefore, the paths of air flowing into the second through pipe 2 and the paths of gas flowing into the second through pipe 2 are intersected, so that the air and the gas of the second through pipe 2 can be better mixed, the mixing efficiency of the air and the gas is improved, the gas is fully and stably combusted, and the using effect of the burner is improved.
Alternatively, the air outlet 41 is a cone-shaped opening in the present embodiment, and in other embodiments, the air outlet 41 may be a horn-shaped opening or a bowl-shaped opening; the openings with different shapes can enable the fuel gas to be sprayed out according to different angles and directions, and are favorable for changing the mixing degree of air and the fuel gas and the direction of the finally sprayed air flow, so that different use requirements are met.
Alternatively, the center of the air outlet 41 is disposed on the axis of the first through pipe 1, so that the vertical distance from the air outlet 41 to the first through pipe 1 is the same, and the fuel gas sprayed from the air outlet 41 can be relatively uniformly mixed with the air entering the first through pipe 1, thereby facilitating the formation of flame for stable combustion.
Optionally, the gas input pipe 4 is radially disposed along the first through pipe 1, and the gas input pipe 4 is disposed in a radial direction of the first through pipe, so that air flowing from two sides of the gas input pipe 4 to one side of the gas outlet 41 is relatively uniform, which is beneficial to uniformly mixing the gas and the air, and is convenient to form flame for stable combustion.
Optionally, a threaded joint 42 is disposed at an end of the gas input pipe 4 away from the first through pipe 1, and the threaded joint 42 facilitates the gas input pipe 4 to be connected to a gas supply device.
Optionally, a chamfer 43 is arranged at one end of the gas input pipe 4 far away from the first through pipe 1, and the chamfer 43 is a round angle or an oblique angle; the chamfer 43 facilitates the interface between the gas inlet pipe 4 and the outlet pipe of the gas supply device.
Optionally, the baffle 5 is a circular baffle.
Optionally, the baffle 5 is an oval baffle.
Optionally, the baffle 5 is a polygonal baffle.
Optionally, the position of the baffle 5 in the axial direction of the first through pipe 1 is adjustable; therefore, the distance between the baffle 5 and the first through pipe 1 can be changed by adjusting the position of the baffle 5, so that the efficiency of air entering the first through pipe 1 is changed, air and fuel gas are conveniently mixed according to the optimal mixing proportion, the fuel gas is fully and stably combusted, and the using effect of the burner is guaranteed.
Optionally, the position of the baffle 5 is adjustable in a direction perpendicular to the axis of the first through pipe 1; therefore, the shielding area of the baffle 5 on the pipe orifice of the first through pipe 1 can be changed by adjusting the position of the baffle 5, so that the efficiency of air entering the first through pipe 1 is changed, air and fuel gas are conveniently mixed according to the optimal mixing proportion, the fuel gas is fully and stably combusted, and the using effect of the burner is guaranteed.
Optionally, the baffle 5 is disposed on an adjusting rod 6, and the adjusting rod 6 is disposed on the first through pipe 1.
Optionally, the baffle 5 is movably arranged on the adjusting rod 6, the adjusting rod 6 is fixedly connected with the first through pipe 1, the pipe orifice of the first through pipe 1 is opposite to the baffle 5, and the baffle 5 can move towards or away from the pipe orifice of the first through pipe 1 to change the interval between the baffle 5 and the first through pipe 1; in this embodiment, separation blade 5 sets up in first siphunculus 1 outside, separation blade 5 and regulation pole 6 sliding fit or screw thread fit, separation blade 5 can slide like this or with rotatory mode orientation or keep away from first siphunculus 1 and remove, and the clearance between separation blade 5 and the first siphunculus 1 can be followed to the air gets into first siphunculus 1, can remove the interval between adjustment separation blade 5 and the first siphunculus 1 through letting separation blade 5 like this, and then change the efficiency that the air got into first siphunculus 1, conveniently let air and gas mix according to the best proportion, ensure that the gas fully stablizes the burning.
Optionally, the adjusting rod 6 is movably arranged on the first through pipe 1, the pipe orifice of the first through pipe 1 is opposite to the baffle plate 5, and the adjusting rod 6 can drive the baffle plate 5 to move towards or away from the pipe orifice of the first through pipe 1 so as to change the interval between the baffle plate 5 and the first through pipe 1; in this embodiment, the separation blade 5 sets up in first siphunculus 1 outside, adjust pole 6 and first siphunculus 1 sliding fit or screw thread fit, adjust pole 6 and remove and can drive separation blade 5 and remove along with it, like this adjust pole 6 can slide or drive separation blade 5 towards or keep away from first siphunculus 1 with rotatory mode and remove, the interval between separation blade 5 and the first siphunculus 1 is along with separation blade 5 removal and change, can change the efficiency that the air got into first siphunculus 1 through the interval between change separation blade 5 and the first siphunculus 1, be convenient for let air and gas mix according to the best proportion, ensure that the gas fully stabilizes the burning.
Referring to fig. 8-19, alternatively, the baffle 5 is rotatably disposed on the adjusting rod 6, the adjusting rod 6 is fixedly connected with the first through pipe 1, the center of the baffle 5 and the center of the first through pipe 1 are both deviated from the axis of the adjusting rod 6, and when the baffle 5 rotates relative to the adjusting rod 6, the shielding area of the baffle 5 on the pipe orifice of the first through pipe 1 changes along with the rotation of the baffle 5; defining the position of the baffle 5 when the shielding area of the baffle 5 to the pipe orifice of the first through pipe 1 is minimum as a first position, the position of the baffle 5 when the shielding area of the baffle 5 to the pipe orifice of the first through pipe 1 is maximum as a second position, and the baffle 5 can rotate from the first position to the second position; in this embodiment, the blocking piece 5 may be rotationally connected to the adjusting rod 6, when the blocking piece 5 is in the first position, the blocking piece 5 is completely located outside the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is in a completely opened state, air may directly enter the first through pipe 1 from the pipe orifice of the first through pipe 1, when the blocking piece 5 is in the second position, the blocking piece 5 completely covers the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is completely closed, air cannot enter the first through pipe 1, when the blocking piece 5 is in a region between the first position and the second position, the pipe orifice of the first through pipe 1 is partially covered, and another part is not covered, that is, the partial region of the pipe orifice of the first through pipe 1 is opened, and air may only enter the first through pipe 1 from the region (i.e. the opening) where the pipe orifice of the first through pipe 1 is not covered, so that by changing the rotation angle of the blocking piece 5, and further changing the size of the region where the pipe orifice of the first through pipe 1 is not covered, thereby changing the efficiency of the air entering the first through pipe 1, which is convenient for mixing air and gas according to an optimal ratio, and ensuring stable combustion;
of course, in another embodiment of the present utility model, the blocking piece 5 may be screwed to the adjusting rod 6, when the blocking piece 5 is in the second position, the blocking piece 5 completely blocks the orifice of the first through pipe 1, and the blocking piece 5 abuts against one side of the orifice of the first through pipe 1, the orifice of the first through pipe 1 is completely closed, and air cannot enter the first through pipe 1 from the orifice of the first through pipe 1; when the baffle 5 is in the first position, the baffle 5 is completely positioned outside the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is in a completely opened state, the baffle 5 and the first through pipe 1 are arranged at intervals, and air can directly enter the first through pipe 1 from the pipe orifice of the first through pipe 1; when the separation blade 5 is located between the first position and the second position, the separation blade 5 and the first through pipe 1 are arranged at intervals, the separation blade 5 partially shields the pipe orifice of the first through pipe 1, air can enter the first through pipe 1 from the gap between the separation blade 5 and the pipe orifice of the first through pipe 1 and the area (namely, the opening) where the pipe orifice of the first through pipe 1 is not shielded, when the separation blade 5 rotates from the first position to the second position, the interval between the separation blade 5 and the first through pipe 1 is gradually reduced, the area (namely, the opening) where the pipe orifice of the first through pipe 1 is not shielded is gradually reduced, the efficiency of air entering the first through pipe 1 is gradually reduced, and thus, the efficiency of air entering the first through pipe 1 can be adjusted by using the separation blade 5, so that air and fuel gas can be conveniently mixed according to the optimal proportion, and the fuel gas is ensured to be fully and stably combusted.
Optionally, the adjusting rod 6 is rotatably disposed on the first through pipe 1, the center of the blocking piece 5 and the center of the first through pipe 1 deviate from the axis of the adjusting rod 6, the adjusting rod 6 rotates to drive the blocking piece 5 to rotate synchronously, the shielding area of the blocking piece 5 to the pipe orifice of the first through pipe 1 changes along with the rotation of the adjusting rod 6, the position of the blocking piece 5 when the shielding area of the blocking piece 5 to the pipe orifice of the first through pipe 1 is defined as a first position, the position of the blocking piece 5 when the shielding area of the blocking piece 5 to the pipe orifice of the first through pipe 1 is defined as a second position, and the adjusting rod 6 can drive the blocking piece 5 to rotate from the first position to the second position; in this embodiment, the adjusting lever 6 may be rotationally connected with the first through pipe 1, when the adjusting lever 6 rotates, the blocking piece 5 will be driven to rotate along with the first through pipe 1, when the blocking piece 5 is in the first position, the blocking piece 5 is completely located at the outer side of the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is in a completely open state, air can directly enter the first through pipe 1 from the pipe orifice of the first through pipe 1, when the blocking piece 5 is in the second position, the blocking piece 5 completely blocks the pipe orifice of the first through pipe 1, the air cannot enter the first through pipe 1, when the blocking piece 5 is in a region between the first position and the second position, the pipe orifice of the first through pipe 1 is partially blocked, and the other part of the blocking piece is not blocked, the pipe orifice of the first through pipe 1 is partially opened, and the air can only enter the first through pipe 1 from the region (i.e. the opening) which is not blocked, so that the position of the blocking piece 5 can be changed by rotating the blocking piece 1 is driven by rotating the adjusting lever 6, and the size of the region (i.e. the opening) which is not blocked by the pipe orifice of the first through pipe 1 is changed, so that the efficiency of entering the first through pipe 1 is changed, the air can be conveniently and fully mixed with the gas according to the best and stable ratio of air entering and gas is guaranteed;
of course, in another embodiment of the present utility model, the adjusting rod 6 may be screwed to the first through pipe 1, when the blocking piece 5 is in the second position, the blocking piece 5 completely blocks the pipe orifice of the first through pipe 1, and the blocking piece 5 abuts against one side of the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is completely closed, and air cannot enter the first through pipe 1 from the pipe orifice of the first through pipe 1; when the baffle 5 is in the first position, the baffle 5 is completely positioned outside the pipe orifice of the first through pipe 1, the pipe orifice of the first through pipe 1 is in a completely opened state, the baffle 5 and the first through pipe 1 are arranged at intervals, and air can directly enter the first through pipe 1 from the first pipe orifice; when the separation blade 5 is located between the first position and the second position, the separation blade 5 and the first through pipe 1 are arranged at intervals, the separation blade 5 partially shields the pipe orifice of the first through pipe 1, air can enter the first through pipe 1 from the gap between the separation blade 5 and the pipe orifice of the first through pipe 1 and the area (namely, the opening) of the pipe orifice of the first through pipe 1, which is not shielded by the separation blade 5, when the regulation rod 6 rotates to drive the separation blade 5 to rotate from the first position to the second position, the distance between the separation blade 5 and the first through pipe 1 is gradually reduced, the area (namely, the opening) of the pipe orifice of the first through pipe 1, which is not shielded by the separation blade 5, is smaller, the efficiency of air entering the first through pipe 1 is lower, so that the efficiency of air entering the first through pipe 1 can be regulated by the separation blade 5, the air and the gas are conveniently mixed according to the optimal proportion, and the gas is ensured to be fully and stably combusted.
Referring to fig. 1-19, optionally, the baffle 5 is movably disposed on an adjusting rod 6, and the adjusting rod 6 is fixedly disposed on the first through pipe 1; the regulation pole 6 is the screw rod, and one side that the separation blade 5 kept away from first siphunculus 1 is fixed on a nut 7, and nut 7 and regulation pole 6 threaded connection, screw rod and nut 7 make up the convenience and accurately adjust separation blade 5, and then be convenient for accurate control first siphunculus 1 orificial air inlet efficiency, conveniently let gas mix according to the optimum proportion with the air that gets into, be favorable to letting the gas fully stable burning, improve the result of use of combustor.
Optionally, be provided with regulating block 8 on the lateral wall of nut 7, regulating block 8's setting is convenient to adjust nut 7 through manual, and then conveniently lets separation blade 5 rotate along with nut 7 and take place to remove.
Optionally, the number of the adjusting blocks 8 is two, and the two adjusting blocks 8 are arranged in a splayed shape; the adjusting block 8 that eight style of calligraphy set up, not only make things convenient for finger and adjusting block 8 contact, and the contact position of finger and adjusting block 8 is located the nut 7 outside moreover, and for the finger directly twists nut 7, when finger and adjusting block 8 contact, the effort arm of force that the finger applyed is longer, twists the effort that the nut 7 needs less, twists and moves more conveniently.
Optionally, the number of the adjusting blocks 8 is more than three, and the more than three adjusting blocks 8 are arranged in an umbrella shape; the umbrella-shaped adjusting block 8 is convenient for the contact of the finger and the adjusting block 8, the contact position of the finger and the adjusting block 8 is positioned at the outer side of the nut 7, and compared with the direct screwing of the finger to the nut 7, the force arm applied by the finger is longer when the finger is in contact with the adjusting block 8, the screwing of the force arm required by the nut 7 is smaller, and the screwing is more convenient.
Optionally, the adjusting rod 6 is coaxial with the first through pipe 1.
Alternatively, the flap 5 may be movable in the axial direction of the first tube 1.
Referring to fig. 2, 3, 4, 9, 11, 15 and 17, optionally, a fixing rod 9 is disposed inside the first through pipe 1, the fixing rod 9 is disposed along the radial direction of the first through pipe 1, the fixing rod 9 is disposed on one side of the gas input pipe 4 away from the third through pipe 3, the fixing rod 9 is disposed to intersect with the gas input pipe 4, and the adjusting rod 6 is disposed on the fixing rod 9; the setting of dead lever 9 has not only put just setting up of adjusting pole 6, makes combustor simple structure moreover, convenient to detach and clean.
Optionally, the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4 are all metal pipes, and the metal pipes are high-temperature resistant and high in strength, and are not easy to damage.
Optionally, the surfaces of the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4 are provided with sand blasting layers, and high-temperature resistant paint layers are arranged outside the sand blasting layers; the sand spraying layer is favorable for changing the mechanical properties of the surfaces of the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4, enhancing the adhesive force between the surfaces of the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4 and the high temperature resistant paint layer, and the high temperature resistant paint layer can be used for protecting the surfaces of the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4, preventing corrosion or rust, the existing inorganic silicon high temperature resistant paint can achieve stable physical properties (without falling, bubbling, cracking, powdering, rust and slight discoloration) in an environment of 800-1800 degrees, and the surfaces of the first through pipe 1, the second through pipe 2, the third through pipe 3 and the gas input pipe 4 are protected by the paint, so that the service life of a combustor is favorable for prolonging.
Optionally, the first through pipe 1, the second through pipe 2 and the third through pipe 3 are coaxially arranged. Thus, the air flow direction can be relatively uniformly changed when the air flow sequentially passes through the second through pipe 2 and the third through pipe 3 from the first through pipe 1, and the stable combustion flame is formed.
Referring to fig. 2, optionally, a first stepped hole is formed between the first through pipe 1 and the second through pipe 2; when air enters the second through pipe 2 from the first through pipe 1, air in the first through pipe 1 can be converged at the step position of the first step hole and enter the second through pipe 2, and the air just can be contacted with the gas which is gradually spread and sprayed out in the converging process, so that the gas and the air are fully contacted and mixed, and the gas is fully and stably combusted.
Referring to fig. 1, 2, 6, 7, 8, 10, 12, 14, 16 and 18, optionally, the length of the second through pipe 2 is longer than that of the first through pipe 1 and the third through pipe 3, and the length of the second through pipe 2 is longer, so that air and fuel gas are fully mixed in the second through pipe 2, the fuel gas is fully and stably combusted, and the using effect of the burner is improved.
Referring to fig. 2, optionally, a second stepped hole is formed between the third through pipe 3 and the second through pipe 2; the mixed fuel gas in the second through pipe 2 can be diffused when reaching the step of the second step and when passing through the pipe orifice of the third through pipe 3, so that corresponding flat flame can be formed, and the use requirement of the burner can be met.
Referring to fig. 20 and 21, the embodiment of the utility model also provides a metallurgical plant comprising a metallurgical furnace 10 and a burner as described above, the third tube 3 of which extends into the interior of the metallurgical furnace 10 at the end remote from the first tube 1.
When the burner and the metallurgical equipment using the burner provided by the embodiment of the utility model are used, firstly, the gas input pipe 4 is connected to the gas supply equipment, and the baffle 5 is moved to a position for sealing the pipe orifice of the first through pipe 1; then, a gas valve is opened to enable gas to enter the combustor, the gas sequentially passes through the first through pipe 1, the second through pipe 2 and the third through pipe 3, and finally the gas is released from the pipe orifice of the third through pipe 3; then, igniting the fuel gas from the position of the pipe orifice of the third through pipe 3; subsequently, the burner for igniting the gas is connected to the metallurgical furnace 10; finally, the baffle 5 is moved, the size of the opening at the pipe orifice of the first through pipe 1 is adjusted, and the firepower of the burner is adjusted by adjusting the air inlet efficiency of the air entering the burner. According to the burner and the metallurgical equipment using the burner, the gas outlet 41 on the gas input pipe 4 is a divergent opening, so that gas is sprayed out of the gas outlet 41 in a divergent shape, and when air enters the first through pipe 1, the second through pipe 2 and the third through pipe 3, the air and the gas sprayed out by diffusion can be better mixed, the mixing efficiency of the gas and the air is improved, the gas is more stable and fully combusted, and the using effect of the burner is ensured; the position of the baffle 5 at one side of the first through pipe 1 is adjustable, so that the air inlet efficiency of the air entering the first through pipe 1 can be adjusted by adjusting the position of the baffle 5, the air and the fuel gas can be fully mixed according to the optimal proportion, the fuel gas can be ensured to be fully and stably combusted, and the metal smelting can be better facilitated; the burner provided by the embodiment of the utility model has the advantages of simple structure, convenience in adjustment and convenience in forming flame which is fully stable in combustion, and can be conveniently cleaned and treated when corresponding waste residues enter the burner in the smelting process due to the simple internal structure of the burner.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (10)

1. The burner is characterized by comprising a first through pipe, a second through pipe and a third through pipe which are sequentially arranged, wherein the first through pipe, the second through pipe and the third through pipe are sequentially communicated; the inner diameter of the first through pipe and the inner diameter of the third through pipe are both larger than the inner diameter of the second through pipe;
the side wall of the first through pipe is provided with a gas input pipe, one end of the gas input pipe is closed, the other end of the gas input pipe is open, one closed end of the gas input pipe penetrates through one side wall of the first through pipe and extends to the other side wall of the first through pipe, one end of the gas input pipe opening is positioned outside the first through pipe, a part of the peripheral wall of the gas input pipe positioned inside the first through pipe is provided with a gas outlet, the gas outlet is communicated with the inside of the gas input pipe, the gas outlet opening faces towards the second through pipe, the gas outlet is a gradually-expanding opening, and the gas outlet is used for blowing gas into the second through pipe;
one side of the first through pipe, which is far away from the third through pipe, is provided with a baffle with an adjustable position, and the baffle is used for shielding or opening the pipe orifice of the first through pipe.
2. The burner of claim 1, wherein a projection of the air outlet toward the direction of the third tube intersects an inner wall of the second tube;
or/and;
the air outlet is any one of a horn-shaped opening, a bowl-shaped opening or a conical opening.
3. The burner of claim 1, wherein the center of the air outlet is disposed on the axis of the first tube;
or/and;
the fuel gas input pipe is arranged along the radial direction of the first through pipe;
or/and;
a screwed joint is arranged at one end of the fuel gas input pipe far away from the first through pipe;
or/and;
the one end that the gas input tube kept away from first siphunculus is provided with the chamfer, the chamfer is fillet or oblique angle.
4. The burner of claim 1, wherein the baffle is any one of a circular baffle, an oval baffle, or a polygonal baffle;
or/and;
the position of the baffle plate in the axial direction of the first through pipe is adjustable;
or/and;
the position of the baffle plate in the direction perpendicular to the axis of the first through pipe is adjustable.
5. The burner of claim 1 wherein the baffle is disposed on an adjustment lever disposed on the first tube;
the baffle plate is movably arranged on the adjusting rod, the adjusting rod is fixedly connected with the first through pipe, the pipe orifice of the first through pipe is opposite to the baffle plate, and the baffle plate can move towards or away from the pipe orifice of the first through pipe to change the interval between the baffle plate and the first through pipe;
or alternatively;
the adjusting rod is movably arranged on the first through pipe, the pipe orifice of the first through pipe is opposite to the baffle plate, and the adjusting rod can drive the baffle plate to move towards or away from the pipe orifice of the first through pipe so as to change the interval between the baffle plate and the first through pipe;
or alternatively;
the baffle is rotatably arranged on the adjusting rod, the adjusting rod is fixedly connected with the first through pipe, the center of the baffle and the center of the first through pipe are deviated from the axis of the adjusting rod, and when the baffle rotates relative to the adjusting rod, the shielding area of the baffle on the pipe orifice of the first through pipe is changed along with the rotation of the baffle; defining the position of the baffle plate when the shielding area of the baffle plate to the first pipe orifice is minimum as a first position, and the position of the baffle plate when the shielding area of the baffle plate to the first pipe orifice is maximum as a second position, wherein the baffle plate can rotate from the first position to the second position;
or alternatively;
the adjusting rod is rotatably arranged on the first through pipe, the center of the baffle and the center of the first through pipe are deviated from the axis of the adjusting rod, the baffle can be driven to synchronously rotate by the rotation of the adjusting rod, the shielding area of the baffle to the orifice of the first through pipe is changed along with the rotation of the adjusting rod, the position of the baffle when the shielding area of the baffle to the orifice of the first through pipe is defined as a first position, the position of the baffle when the shielding area of the baffle to the orifice of the first through pipe is maximum is defined as a second position, and the baffle can be driven to rotate from the first position to the second position by the adjusting rod.
6. The burner of claim 1, wherein the baffle is movably disposed on an adjustment rod fixedly disposed on the first tube; the adjusting rod is a screw rod, one side of the baffle plate, which is far away from the first through pipe, is fixed on a nut, and the nut is in threaded connection with the adjusting rod;
an adjusting block is arranged on the side wall of the nut;
the number of the adjusting blocks is two, and the two adjusting blocks are arranged in a splayed shape;
or,
the number of the adjusting blocks is more than three, and more than three adjusting blocks are arranged in an umbrella shape.
7. The burner of claim 6 wherein the adjustment rod is coaxial with the first tube;
the gas inlet pipe is characterized in that a fixing rod is arranged inside the first through pipe and is arranged along the radial direction of the first through pipe, the fixing rod is arranged on one side, far away from the third through pipe, of the gas inlet pipe, the fixing rod and the gas inlet pipe are arranged in a crossing mode, and the adjusting rod is arranged on the fixing rod.
8. The burner of claim 1, wherein the first, second, third and gas inlet tubes are all metal tubes;
or/and the combination of the two,
the surface of the first through pipe, the surface of the second through pipe, the surface of the third through pipe and the surfaces of the gas input pipe are provided with sand blasting layers, and high-temperature resistant paint layers are arranged outside the sand blasting layers.
9. The burner of claim 1, wherein the first, second and third tubes are coaxially disposed;
or/and;
a first step hole is formed between the first through pipe and the second through pipe;
or/and;
a second step hole is formed between the third through pipe and the second through pipe.
10. A metallurgical plant comprising a metallurgical furnace and a burner as claimed in any one of claims 1 to 9, wherein the third tube of the burner extends into the interior of the metallurgical furnace at an end of the third tube remote from the first tube.
CN202320254795.3U 2023-02-11 2023-02-11 Combustor and metallurgical equipment using same Active CN219367617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320254795.3U CN219367617U (en) 2023-02-11 2023-02-11 Combustor and metallurgical equipment using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320254795.3U CN219367617U (en) 2023-02-11 2023-02-11 Combustor and metallurgical equipment using same

Publications (1)

Publication Number Publication Date
CN219367617U true CN219367617U (en) 2023-07-18

Family

ID=87114916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320254795.3U Active CN219367617U (en) 2023-02-11 2023-02-11 Combustor and metallurgical equipment using same

Country Status (1)

Country Link
CN (1) CN219367617U (en)

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