CN217383738U - Flat pendulum type metallurgical furnace - Google Patents

Flat pendulum type metallurgical furnace Download PDF

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CN217383738U
CN217383738U CN202220922407.XU CN202220922407U CN217383738U CN 217383738 U CN217383738 U CN 217383738U CN 202220922407 U CN202220922407 U CN 202220922407U CN 217383738 U CN217383738 U CN 217383738U
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furnace
furnace body
metallurgical
spray gun
slag
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叶青萍
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02P10/00Technologies related to metal processing
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Abstract

The utility model discloses a metallurgical stove of horizontal pendulum formula relates to metallurgical technical field, include: the furnace body is provided with a combustion spray gun jack, a charging opening, a discharging opening, a slag discharging opening and a smoke exhaust opening, and the rear end of the bottom of the furnace body is obliquely and upwards arranged; the furnace body is arranged on the bottom frame; the support, the support has elevating gear, preceding supporting bench and back supporting bench, and the chassis articulates on the support, and the chassis is connected with elevating gear and can make furnace body head lifted, the afterbody descends under elevating gear's drive. The beneficial effects of the utility model are that the swing design around the furnace body provides basic condition for realizing that the stove is mechanized, automatic, the stove is all can be through the stove swing when arranging sediment and casting, arrange the sediment more convenient and smooth and easy, casting control is more accurate swift, the foundry goods percent of pass is high, the rejection rate is low, product quality is good, alleviate intensity of labour and reduce post risk, and adopt the multizone multiple spot heat supply when reinforced melting, the furnace charge melts fastly, reinforced melting time is short.

Description

Flat pendulum type metallurgical furnace
Technical Field
The utility model relates to the technical field of metallurgy, concretely relates to metallurgical stove of horizontal pendulum formula.
Background
Metallurgical furnaces are industrial furnaces that perform thermal processing of various materials or workpieces in metallurgical processes, and existing metallurgical furnaces generally have a metal structure for heating metal, slag or other substances therein. Metallurgical stove among the prior art is fixed the setting on the support usually, when needs slag tap, needs the manual work to take off the waste residue from the slag notch usually, and not only work efficiency is low, operates more danger moreover. In addition, in the prior art, a combustion spray gun insertion hole is usually arranged at the front end, and when a combustion spray gun is inserted into the combustion spray gun insertion hole to provide heat for the hearth, due to single-point heat supply, the fuel utilization rate is low, the combustion is not uniform, and flame easily collides with raw materials to rebound and damage the furnace top, so that the service life of the furnace is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least solve one of the technical problems existing in the prior art and provide a flat pendulum type metallurgical furnace.
The technical solution of the utility model is as follows:
a horizontal pendulum metallurgical furnace comprising:
the furnace body comprises a furnace shell forming a hearth, the furnace body is provided with a combustion spray gun jack, a feed inlet for feeding materials into the hearth, a discharge outlet for discharging liquid metal, a slag discharge outlet for discharging waste slag and a smoke exhaust outlet for discharging smoke, the discharge outlet and the slag discharge outlet are arranged at the rear end part of the furnace body, and the rear end of the bottom of the furnace body is arranged obliquely upwards;
the frame is used for supporting the furnace body, the frame comprises a bottom frame matched with the bottom structure of the furnace body, and the furnace body is arranged on the bottom frame;
the support is used for supporting the frame, the front end and the rear end of the support are respectively provided with a front supporting platform and a rear supporting platform which are used for supporting the underframe, the underframe is hinged on the support, the front end of the underframe is supported by the front supporting platform, the support is also provided with a lifting device which is positioned at the front end of the front supporting platform, the underframe is connected with the lifting device, so that the head part of the furnace body can be lifted up and the tail part of the furnace body can be lowered under the driving of the lifting device, and the rear end of the underframe is supported by the rear supporting platform;
a combustion lance inserted into the combustion lance receptacle.
Preferably, the side wall of the furnace body is provided with an operation hole communicated with the hearth;
the auxiliary combustion spray gun can be inserted into the operation hole, and the insertion angle and the insertion depth of the auxiliary combustion spray gun can be adjusted;
still include the tuber pipe, the tuber pipe can insert the operation downthehole, and the angle of insertion and the depth of insertion adjustable of tuber pipe.
Preferably, a charging door for shielding the charging opening is arranged on the furnace body;
the gas collecting hood is used for sucking away smoke and dust overflowing from the hearth when the charging door is opened, the gas collecting hood is arranged above the charging opening, and the gas collecting hood is connected with an air extractor.
Preferably, the device further comprises a lifting cylinder, a fixed pulley and a chain, wherein one end of the chain is connected with the feeding door, and the other end of the chain is connected with the lifting cylinder through the fixed pulley.
Preferably, the device further comprises a flue and a smoke pipe which are arranged in the horizontal direction, one end of the flue is connected with the smoke outlet, the other end of the flue is connected with the smoke pipe, and a detachable ash hopper is arranged at the bottom of the flue.
Preferably, the slag discharge port is arranged above the discharge port, the furnace body is further provided with a discharge chute and a slag discharge chute arranged obliquely downwards, the discharge chute is connected with the discharge port, and the slag discharge chute is connected with the slag discharge port.
Preferably, the frame further comprises an upright post and an upper cross beam, the underframe comprises a lower cross beam, and adjusting springs in the horizontal direction are arranged among the upper cross beam, the lower cross beam and the upright post.
Preferably, the top of the furnace body is provided with a refractory brick, and the refractory brick is arranged on the frame through a hanging bracket.
A metallurgical process adopts the horizontal pendulum type metallurgical furnace, and comprises the following steps:
s1, opening a charging door, adding metal raw materials to be smelted and a flux into the furnace body in batches through the charging door, inserting a combustion spray gun into a combustion spray gun insertion hole, inserting an auxiliary combustion spray gun into an operation hole, and spraying fuel into the furnace body through the combustion spray gun and the auxiliary combustion spray gun to heat the metal raw materials and the flux in the furnace body;
s2, when the metal raw materials in the furnace body are partially melted to form liquid, withdrawing part of the auxiliary combustion spray gun from the operation hole, replacing the auxiliary combustion spray gun with an air pipe to be inserted into the operation hole to blow into the furnace body, and accelerating the melting of furnace burden; when the furnace burden in the furnace body is completely melted, the residual auxiliary combustion spray guns are withdrawn from the operation holes and are completely replaced by air pipes to blow into the furnace body;
s3, when slag is discharged, the lifting device is started to lift upwards so as to drive the head of the furnace body to be lifted slowly and the tail of the furnace body to descend slowly, the slag is discharged from a slag discharge port and flows into a slag bag through a slag discharge chute, and after the slag discharge is finished, the lifting device returns to the initial position downwards;
and S4, opening and cleaning the discharge opening during discharging, starting the lifting device to lift the lifting device upwards so as to drive the head of the furnace body to be lifted slowly and the tail of the furnace body to descend slowly, discharging the liquid metal material from the discharge opening, and feeding the liquid metal material into the next process through the discharge chute.
Preferably, the step S1 further includes: adjusting the insertion depth and the insertion angle of the auxiliary combustion spray gun;
the step S2 further includes: adjusting the insertion depth and the insertion angle of the air pipe;
the step S3 further includes: before the lifting device is started, the air pipe is firstly heightened or spilled out to reduce the stirring of the liquid in the furnace body by overturning, and the vacant operation holes are closed to reduce the overflow of the heat of the furnace.
The utility model discloses one of following beneficial effect has at least:
compared with the prior art, the utility model discloses a horizontal pendulum formula metallurgical furnace body is following advantage:
1. swing design around the furnace body is mechanized for realizing the stove, the automation provides basic condition, and can arrange the sediment through the furnace body slope, and can be when arranging the material to casting flow control, the stove all can obtain good control through the stove swing when arranging sediment and casting, it is more convenient and smooth to make row sediment, casting control is more accurate swift, the foundry goods percent of pass is high, the rejection rate is low, product quality is good, and alleviateed operating personnel's intensity of labour greatly and reduced the post risk, the post number has been reduced, manual work efficiency can be improved by a wide margin.
2. By arranging the acting holes at the side end of the furnace body, multi-zone multi-point heat supply is adopted in the charging and melting period, the high-temperature zone of the melting heat is more, the furnace burden melting speed is high, and the charging and melting time is short; the smelting adopts multi-blast pipe operation, and the position and the depth of the blast pipe entering liquid are adjustable and controllable, so that the liquid in the furnace is stirred more intensively and uniformly, the operation dead angle is less, the contact and mixing state of the fusing agent and the smelting metal is good, the slagging speed is high, the smelting efficiency is high, and the production capacity is large. And the smelting uses the side inclined insertion operation, so the air pipe loss is low.
3. The operation and the feeding are separately arranged, the main fuel and the auxiliary fuel are used for supplying heat for the horizontal swing type metallurgical furnace, the fuel is completely combusted, and the combustion efficiency is high; the furnace has good heat exchange environment of furnace charge, high melting speed, short single-furnace operation time, low opening and closing frequency of a furnace door, small heat loss of the furnace, good tightness of the furnace, less overflow of furnace gas and dust and small low-altitude pollution of an operation area, and the energy consumption of metal smelting is greatly lower than that of other furnaces of the same type; the heat distribution of the furnace is uniform, the loss of the corresponding lining refractory material is greatly lower than that of other furnaces of the same type, the operation period of the furnace is long, and considerable economic benefits can be created for users.
4. The replaceable ash bucket is designed below the flue of the furnace body, so that the adhesion and blockage of the horizontal flue are avoided, the flue gas in the whole operation period is discharged more smoothly, the operation environment of the furnace is improved, and the environmental protection and safety of the whole furnace operation are ensured.
5. The flat pendulum type metallurgical furnace is based on production practices for many years, starts from multiple aspects of production, energy conservation and emission reduction, safety and environmental protection, quality improvement and efficiency improvement and the like from the whole structure to all function settings, has strong practicability and foresight in design thought, plays a positive role in leading the updating and upgrading of the furnace type in the metallurgical industry, provides technical support for competition and development of the industry, and brings good economic value and social value to enterprises due to popularization and application.
Drawings
FIG. 1 is a schematic view of a front view structure of a medium level swing metallurgical furnace according to the present invention;
FIG. 2 is a schematic diagram of a second schematic view of a horizontal pendulum metallurgical furnace according to the present invention;
FIG. 3 is a schematic side view of a cross-sectional structure of a mid-level swing metallurgical furnace according to the present invention;
FIG. 4 is a schematic top view of a mid-level swing metallurgical furnace according to the present invention;
the following are marked in the figure:
10. a furnace body; 101. a furnace shell; 102. a layer of thermal insulation material; 103. a layer of refractory material; 104. high temperature resistant furnace bricks;
11. a discharge outlet; 12. a charging door; 13. a discharge chute; 14. a slag discharge chute; 15. a flue; 16. a smoke pipe; 17. a slag hopper; 18. a slag discharge port;
20. a frame; 21. a chassis; 22. a column; 23. an upper cross beam; 24. adjusting the spring; 25. hanging a bracket;
30. a support; 31. a front support table; 32. a rear support table; 33. a lifting device; 34. a rotating shaft;
41. a combustion lance; 42. an auxiliary combustion spray gun; 43. a combustion chamber water jacket; 44. an air duct;
50. a gas-collecting channel; 51. a lifting cylinder; 52. a fixed pulley;
60. and adjusting the bracket.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, but the present invention is not limited to the following specific examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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 by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 4, the present embodiment provides a horizontal pendulum type metallurgical furnace, including the following structures:
the furnace body 10 comprises a furnace shell 101 forming a hearth, a heat insulation material layer 102, a refractory material layer 103 and high-temperature-resistant furnace bricks 104, wherein the furnace shell 101 is a heat-resistant steel plate; have burning spray gun jack on the furnace body 10, be used for to the furnace in reinforced charge door, be used for discharging the bin outlet 11 of liquid metal, be used for discharging to abandon the row's cinder notch 18 of sediment and be used for the exhaust port of discharging fume, in this embodiment, burning spray gun jack sets up the front end portion at furnace body 10, bin outlet 11 and row's cinder notch 18 set up the rear end portion at furnace body 10, the rear end slope of 1 bottom of furnace body upwards sets up, and preferably, inclination can be 5 ~ 30. The furnace body 10 is further provided with a combustion spray gun 41, the combustion spray gun 41 is inserted into the combustion spray gun jack, and a combustion chamber water jacket 43 positioned at the combustion spray gun jack is further arranged on the furnace body 10 and used for cooling the combustion spray gun 41.
In this embodiment, be provided with on the furnace body 10 and be used for sheltering from the charge door 12 of charge door, charge door 12 slides along direction of height and sets up on furnace body 10, still including the drive arrangement who is used for opening charge door 12, and drive arrangement includes along lift cylinder 51, fixed pulley 52 and the chain that direction of height set up, the one end and the charge door 12 top of chain are connected, and the other end is connected with lift cylinder 51 through fixed pulley 52, drives charge door 12 through lift cylinder 51 and rises and open. In this embodiment, the furnace body 10 is provided with two charging doors 12, and each charging door 12 is connected with two sets of driving devices.
In this embodiment, the gas collecting channel 50 is further included for removing the flue gas and dust overflowing from the hearth when the charging door 12 is opened, the gas collecting channel 50 is disposed above the charging opening, and the gas collecting channel 50 is connected to an air extractor, so that the flue gas and dust overflowing from the furnace can be removed when the charging door is opened.
In this embodiment, the slag discharge opening 18 is arranged above the discharge opening 11, the furnace body 10 is further provided with a discharge chute 13 and a slag discharge chute 14 arranged obliquely downwards, the discharge chute 13 is connected with the discharge opening 11, and the slag discharge chute 14 is connected with the slag discharge opening 18. The slag discharging port 18 is provided with a slag discharging door which is opened for other time to be in a closed state when slag is discharged
In the embodiment, the smoke outlet is arranged at the top of the rear end of the furnace body 10, the furnace further comprises a flue 15 and a smoke tube 16 which are arranged along the horizontal direction, one end of the flue 15 is connected with the smoke outlet, the other end of the flue is connected with the smoke tube 16, a detachable ash hopper 17 is arranged at the bottom of the flue 15, and the ash hopper 17 can be used for conveniently cleaning ash entering the horizontal flue from the ascending flue in a long furnace operation period, so that the flue blockage is effectively avoided, the smoke discharge in the whole operation period is smooth, and the problem that other similar furnaces are the most troublesome is solved.
In this embodiment, the side wall of the furnace body 1 is further provided with an operation hole communicated with the hearth; the auxiliary combustion spray gun 42 and the air pipe 44 can be inserted into the operation holes, and each operation hole is provided with an angle-adjustable device for pushing and withdrawing the fixed operation air pipe 44 or the auxiliary combustion spray gun 42, the device in the embodiment is an adjusting bracket 60, as shown in fig. 3, the adjusting bracket 60 comprises a mounting plate which is obliquely hinged on the furnace body 1, the lower end surface of the mounting plate is provided with a clamping component, the auxiliary combustion spray gun 42 and the air pipe 44 can be clamped through the clamping component, so that the insertion angle of the auxiliary combustion spray gun 42 and the air pipe 44 can be adjusted by adjusting the oblique angle of the mounting plate, the position of the auxiliary combustion spray gun 42 and the air pipe 44 on the clamping component can be adjusted, and the insertion depth can be adjusted; the auxiliary heat supply of the furnace in the charging melting period and the smelting operation after melting are realized by adjusting the insertion angle and the insertion depth of the auxiliary combustion spray gun 42 and the air pipe 44. In the charging and melting period of the embodiment, the combustion spray gun at the front end of the furnace body 1 can provide heat to melt raw materials, and the operation holes at the side part are additionally provided with one or more auxiliary combustion spray guns for supplying heat, so that the front end spray gun of the furnace can shorten the flame length, reduce the flame falling on furnace materials, improve the fuel utilization rate, reduce the fuel injection force by changing single-zone single-way heat supply into multi-zone multi-point heat supply, prolong the stay time of fuel in the furnace and a hearth space, greatly improve the combustion environment and generate more effective heat by unit fuel; and secondly, the phenomenon that the flame rebounds to burn the furnace top due to the fact that the flame touches the raw materials is reduced, the service life of the furnace is prolonged, and other furnaces of the same type have the fatal defect of the burning furnace top. Thirdly, the furnace burden is heated uniformly everywhere, which accelerates the melting of the furnace burden, further shortens the interval time of 2 feeding batches and greatly improves the feeding speed. When the required amount of burden is melted in the furnace to form a certain amount of liquid, the hearth and the burden are still in a low-temperature state, and at this time, part of the auxiliary spray gun can be scattered, and the operation air pipe 44 is inserted into the melt to stir the melt so as to accelerate the melting of the burden. When furnace burden is completely melted in the furnace, all auxiliary spray guns can be spilled out, all auxiliary spray guns are replaced by operation air pipes 44 for blowing, the insertion depth and the angle of the air pipes 44 are adjusted according to the conditions in the furnace during blowing, multi-point and multi-area reinforced operation is formed, the smelting effect is fast and efficient, the operation time is shortened, and the operation efficiency is improved. During slag discharge, the liquid in the furnace needs to be reduced to tumble and stir, so that impurities are effectively separated from the main metal, the height of the operation air pipe 44 can be adjusted and the operation air pipe can be spilled out, the vacant operation hole is closed, the overflow of furnace heat is reduced, and the separation of impurity slag and the main metal is ensured.
The frame 20 is used for supporting the furnace body 10, the frame 20 comprises a bottom frame 21, a stand column 22 and an upper cross beam 23, the bottom frame 21 is adapted to the bottom structure of the furnace body 10, namely, the rear end of the bottom frame 21 is also obliquely and upwards arranged, and the furnace body 10 is arranged on the bottom frame 21; specifically, the underframe 21 is welded into an integral framework by section steel, the underframe 21 comprises two lower cross beams, the two lower cross beams penetrate through the bottom of the whole furnace body 10 from front to back, the rear end of the two lower cross beams gradually tilts upwards, and the bottom of the furnace body 10 is welded on the underframe 21. The steel beam columns 22 on the periphery are supported on the bottom frame 21, the upper end of the steel beam column supports an upper cross beam 23 which is integrally welded, and adjusting springs 24 along the horizontal direction are arranged between the upper cross beam and the lower cross beam and between the upper cross beam and the column 22, so as to respond to the volume change of thermal expansion and contraction of the furnace; heat-resistant steel plates are laid at the upper bottom and the periphery of the steel beam to form the furnace shell, and a layer of heat insulation material is laid between the furnace shell and the refractory material of the lining, so that the heat loss of the furnace is effectively reduced and the furnace shell is protected; the back end of the furnace bottom refractory material inverted arch masonry is synchronously and obliquely arranged upwards with the thickness of the furnace shell.
The top of the furnace body 10 is provided with refractory bricks, and the refractory bricks are arranged on the frame 20 through a hanging bracket 25. Specifically, the top of the furnace body 10 is built into an arch by refractory bricks, each refractory brick is fixed on the frame 20 through the hanging bracket 25, the refractory materials are limited to move up and down due to different loss degrees of different parts or the change of furnace temperature in a long operation period, and the integrity of the furnace top is greatly ensured;
a support 30 for supporting the frame 20 and enabling the furnace body 10 to swing in the height direction, specifically, the support 30 has a front support platform 31 and a rear support platform 32 for supporting the chassis 21 at the front end and the rear end respectively, the chassis 21 is hinged to the support 30 and is specifically connected through a rotating shaft 34, the front end of the chassis 21 is supported by the front support platform 31, the support 30 is further provided with a lifting device 33 located at the front end of the front support platform 31, the lifting device 33 is specifically two lifting cylinders, the chassis 21 is connected with the lifting device 33 and is capable of lifting the head and lowering the tail of the furnace body 10 under the driving of the lifting device 33, and the rear end of the chassis 21 is supported by the rear support platform 32; the furnace body 10 can swing back and forth along the height direction by the lifting of the two lifting oil cylinders.
The embodiment also provides a metallurgical process, in particular to a metallurgical process adopting the flat pendulum type metallurgical furnace, which comprises the following steps:
s1, opening the charging door 12, adding the metal raw materials and the fusing agent to be smelted into the furnace body 10 in batches through the charging door 12, inserting the combustion spray gun 41 into the combustion spray gun insertion hole, inserting the auxiliary combustion spray gun 42 into the operation hole, adjusting the insertion depth and the insertion angle of the auxiliary combustion spray gun 42, and spraying fuel into the furnace body 10 through the combustion spray gun 41 and the auxiliary combustion spray gun 42 to heat the metal raw materials and the fusing agent in the furnace body 10;
s2, when the metal raw materials in the furnace body 10 are partially melted to form liquid, withdrawing part of the auxiliary combustion spray gun 42 from the operation hole, replacing the air pipe 44 with the operation hole to blow into the furnace body 10, and adjusting the insertion depth and the insertion angle of the air pipe 44 to accelerate the melting of the furnace burden; when the furnace burden in the furnace body 10 is completely melted, the rest auxiliary combustion spray guns 42 are withdrawn from the operation holes, and the air pipes 44 are completely replaced to blow into the furnace body 10;
s3, during slag discharge, the air pipe 44 is firstly heightened or spilled out to reduce the stirring of the liquid in the furnace body 10, and the vacant operation holes are closed to reduce the overflow of furnace heat; when the slag state is good and meets the slag discharging condition, the lifting device 33 is started, the lifting device 33 is lifted upwards to drive the head of the furnace body 10 to be lifted slowly and the tail to be lowered slowly, the slag is discharged from the slag discharging port 18 and flows into a slag ladle through the slag discharging chute 14, and after the slag discharging is finished, the lifting device 33 returns to the initial position downwards; when the slag ladle needs to be replaced, the slag can be stopped to be discharged only by returning the lifting device 33, and the furnace is swung twice to discharge slag after the slag ladle to be emptied is in place until the whole slag discharge operation is completed;
s4, during discharging, opening and cleaning the discharge opening 11, starting the lifting device 33, so that the lifting device 33 is lifted upwards to drive the head part of the furnace body 10 to be lifted slowly and the tail part of the furnace body to be lowered slowly, discharging the liquid metal material from the discharge opening 11, and feeding the liquid metal material into the next process through the discharge chute 13; specifically, after the smelting operation is completed, the discharge port is cleaned, the furnace operation is switched to the position of a casting operator, and the casting operator can operate the swing of the furnace at the position according to the casting speed, so that the unit flow of the metal liquid discharged from the furnace is controlled, and the normal casting operation is completed. When casting faults occur or unexpected conditions such as sudden power failure occur, the furnace swinging oil cylinder can release pressure or lose power and lose pressure and returns to a special position for feeding under the action of the gravity of the furnace, metal liquid is automatically interrupted after a discharge port is raised, manual risk blockage is not needed, and the safety of operating personnel and production equipment is ensured.
Compared with the prior art, the embodiment has the following specific advantages:
1. high smelting efficiency and high production capacity. Because the furnace adopts multi-zone multi-point heat supply in the charging and melting period, the melting heat high-temperature area is more, the furnace burden melting speed is high, and the charging and melting time is short; the smelting adopts multi-blast pipe operation, and the position and the depth of the blast pipe entering the liquid are adjustable and controllable, so that the liquid in the furnace is stirred more intensively and uniformly, the operation dead angle is less, the contact and mixing state of the fusing agent and the smelting metal is good, the slagging speed is high, and the smelting efficiency is high; the furnace can be well controlled by swinging the furnace during slag discharge and casting, so that slag discharge is more convenient and smoother, casting control is more accurate and quicker, the casting qualification rate is high, the rejection rate is low, and the product quality is good.
2. Low energy consumption, long furnace life and good economic benefit. The main and auxiliary fuels for the horizontal pendulum type metallurgical furnace supply heat, the fuel is completely combusted, and the combustion efficiency is high; the furnace has the advantages of good heat exchange environment of furnace materials, high melting speed, short single-furnace operation time, low opening and closing frequency of a furnace door, small heat loss of the furnace and greatly lower energy consumption of metal smelting than other furnaces of the same type. The heat of the furnace is distributed uniformly, the consumption of the corresponding lining refractory material is greatly lower than that of other furnaces of the same type, the operation period of the furnace is long, and considerable economic benefit can be created for users.
3. High mechanization and automation degree, less operating personnel, environmental protection and safety. The swinging design of the furnace provides basic conditions for realizing the mechanization and automation of the furnace, and the mechanization, automation and even intellectualization of the operation of the furnace can be realized through the investment of detection and control means. Because of swinging slag discharge and casting flow regulation, the labor intensity of operators is greatly reduced, the post risk is reduced, the number of people who go to the post is reduced, and the manual operation efficiency is greatly improved; and the smelting uses the side inclined insertion operation, so the air pipe loss is low. The operation and the feeding are separately arranged, so that the frequency of opening the furnace door is reduced, the furnace has good tightness, less furnace gas and dust overflow, and less low-altitude pollution in an operation area; the furnace is also provided with the replaceable ash bucket below the horizontal flue connected with the ascending flue, so that the adhesion and the blockage of the horizontal flue are avoided, the smoke gas in the whole operation period is discharged more smoothly, the operation environment of the furnace is improved, and the environmental protection and the safety of the operation of the whole furnace are ensured.
4. The flat pendulum type metallurgical furnace is based on production practices for many years, starts from multiple aspects of production, energy conservation and emission reduction, safety and environmental protection, quality improvement and efficiency improvement and the like from the whole structure to all function settings, has strong practicability and foresight in design thought, plays a positive role in leading the updating and upgrading of the furnace type in the metallurgical industry, provides technical support for competition and development of the industry, and brings good economic value and social value to enterprises due to popularization and application.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A horizontal pendulum type metallurgical furnace, comprising:
the furnace body (10) comprises a furnace shell forming a hearth, the furnace body (10) is provided with a combustion spray gun jack, a feed inlet used for feeding materials into the hearth, a discharge outlet (11) used for discharging liquid metal, a slag discharge outlet (18) used for discharging waste slag and a smoke exhaust outlet used for discharging smoke, the discharge outlet (11) and the slag discharge outlet (18) are arranged at the rear end part of the furnace body (10), and the rear end of the bottom of the furnace body (10) is arranged upwards in an inclined mode;
the furnace body (10) is supported by a frame (20), the frame (20) comprises a bottom frame (21) matched with the bottom structure of the furnace body (10), and the furnace body (10) is arranged on the bottom frame (21);
a support (30) for supporting the frame (20), wherein the front end and the rear end of the support (30) are respectively provided with a front support platform (31) and a rear support platform (32) for supporting the underframe (21), the underframe (21) is hinged on the support (30), and the front end of the underframe is supported by the front support platform (31); the support (30) is also provided with a lifting device (33) positioned at the front end of the front support platform (31), the underframe (21) is connected with the lifting device (33) so that the head part of the furnace body (10) can be lifted and the tail part of the furnace body can be lowered under the driving of the lifting device (33), and the rear end of the underframe (21) is supported by the rear support platform (32);
a combustion lance (41), the combustion lance (41) being inserted into the combustion lance receptacle.
2. The horizontal pendulum metallurgical furnace of claim 1,
the side wall of the furnace body (10) is provided with an operation hole communicated with the hearth;
the auxiliary combustion spray gun (42) can be inserted into the working hole, and the insertion angle and the insertion depth of the auxiliary combustion spray gun (42) can be adjusted;
the air pipe type air conditioner further comprises an air pipe (44), wherein the air pipe (44) can be inserted into the operation hole, and the insertion angle and the insertion depth of the air pipe (44) can be adjusted.
3. The horizontal pendulum metallurgical furnace of claim 1,
a charging door (12) used for shielding the charging opening is arranged on the furnace body (10);
the furnace hearth gas collection device is characterized by further comprising a gas collection hood (50) used for pumping away flue gas and dust overflowing from the hearth when the charging door (12) is opened, wherein the gas collection hood (50) is arranged above the charging opening, and the gas collection hood (50) is connected with an air extraction device.
4. The flat pendulum metallurgical furnace according to claim 3, characterized by further comprising a lifting cylinder (51), a fixed pulley (52) and a chain, wherein one end of the chain is connected with the charging door (12), and the other end is connected with the lifting cylinder (51) through the fixed pulley (52).
5. The horizontal swing type metallurgical furnace according to claim 1, further comprising a flue (15) and a smoke tube (16) which are arranged along the horizontal direction, wherein one end of the flue (15) is connected with the smoke outlet, the other end of the flue is connected with the smoke tube (16), and a detachable ash hopper (17) is arranged at the bottom of the flue (15).
6. The metallurgical furnace of claim 1, wherein the slag discharge opening (18) is arranged above the discharge opening (11), the furnace body (10) is further provided with a discharge chute (13) and a slag discharge chute (14) which is arranged obliquely downwards, the discharge chute (13) is connected with the discharge opening (11), and the slag discharge chute (14) is connected with the slag discharge opening (18).
7. The metallurgical furnace according to claim 1, wherein the frame (20) further comprises vertical columns (22) and upper cross beams (23), the underframe (21) comprises lower cross beams, and adjusting springs (24) are arranged among the upper cross beams (23), the lower cross beams and the vertical columns (22) along the horizontal direction.
8. The metallurgical furnace according to claim 1, characterized in that the furnace body (10) is provided with refractory bricks on top, which are arranged on the frame (20) by means of hanging brackets (25).
CN202220922407.XU 2022-04-20 2022-04-20 Flat pendulum type metallurgical furnace Active CN217383738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220922407.XU CN217383738U (en) 2022-04-20 2022-04-20 Flat pendulum type metallurgical furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220922407.XU CN217383738U (en) 2022-04-20 2022-04-20 Flat pendulum type metallurgical furnace

Publications (1)

Publication Number Publication Date
CN217383738U true CN217383738U (en) 2022-09-06

Family

ID=83107793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220922407.XU Active CN217383738U (en) 2022-04-20 2022-04-20 Flat pendulum type metallurgical furnace

Country Status (1)

Country Link
CN (1) CN217383738U (en)

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