CN213335476U - Vertical reduction melting furnace - Google Patents

Vertical reduction melting furnace Download PDF

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Publication number
CN213335476U
CN213335476U CN202022508776.8U CN202022508776U CN213335476U CN 213335476 U CN213335476 U CN 213335476U CN 202022508776 U CN202022508776 U CN 202022508776U CN 213335476 U CN213335476 U CN 213335476U
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furnace
rotary
rotary furnace
temperature control
control pipe
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CN202022508776.8U
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冯明刚
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Henan Yi Erjiu Circulation Technology Co ltd
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Shandong Dingde Machinery Technology Co ltd
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Abstract

The utility model discloses a vertical reduction melting furnace in the technical field related to casting and smelting equipment, which comprises a feeding machine, a reduction furnace, a breather, a flue gas temperature control pipe, a spiral air pipe, a safety valve, a discharge valve, a rotary furnace, a rotary bracket, a rotary furnace base, two groups of deflection support frames, an adjusting oil cylinder, a rotary burner, six temperature sensors, a driver, a waste gas collecting and processing pipeline and a gantry frame, wherein the reduction atmosphere in the reduction melting furnace is used for providing a process for deoxidizing and reducing metal oxide into metal raw materials, the raw material composition is improved, impurities in the raw materials are reduced, the efficiency of the rotary furnace for producing high-quality metal liquid is improved, the waste slag amount is reduced, the service life of the rotary furnace is prolonged, the spiral air pipe is arranged in the flue gas temperature control pipe, the temperature of the gas entering the reduction furnace is conveniently adjusted, meanwhile, the safety valve is, avoid the high temperature, change the raw materials state, influence next process, be equipped with the maintenance that does benefit to equipment more.

Description

Vertical reduction melting furnace
Technical Field
The utility model relates to the technical field of casting and smelting equipment, in particular to a vertical reduction melting furnace.
Background
In the casting industry or other industries containing molten iron and copper, the melting equipment is a necessary common equipment; therefore, a melting furnace is designed in the prior production and consists of a containing furnace body, a heating system, a temperature control system and the like. Along with the popularization of degree of automation and the concern of casting enterprise to cost, safety, environment, the foundry industry is looking for a new-type melting furnace, because traditional melting furnace inefficiency, the energy consumption volume is big, output is low, change the raw materials state easily, influence next procedure, more be unfavorable for the maintenance of equipment, so need to design a melting furnace efficient urgently, the energy consumption is low, temperature control is convenient, hardly change the raw materials state, do not influence next procedure, do benefit to the melting furnace of equipment maintenance, based on this, the utility model designs a vertical reduction melting furnace to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical reduction melting furnace to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a vertical reduction melting furnace comprises a feeding machine, a reduction furnace, a breather, a flue gas temperature control pipe, a spiral gas pipe, a safety valve, a discharge valve, a rotary furnace, a rotary bracket, a rotary furnace base, two groups of deflection supporting frames, an adjusting oil cylinder, a rotary burner, six temperature sensors, a driver, a waste gas collecting and processing pipeline and a gantry frame, the feeding machine is arranged at the rear side of the reducing furnace, the discharge hole at the upper part is positioned above the feed hole of the reducing furnace, the waste gas collecting and processing pipeline is positioned above the gas outlet of the reducing furnace, the inner cavity of the reducing furnace is provided with a breather, a discharge valve is arranged at the lower part of the outer wall of the reduction furnace, a flue gas temperature control pipe is arranged at the bottom end of the reduction furnace, a safety valve is arranged on one side, close to the reduction furnace, of the flue gas temperature control pipe, and a spiral gas pipe is spirally wound and fixed on the outer wall of the flue gas temperature control pipe;
the two groups of deflection support frames are arranged in parallel front and back relatively, gantry frames are arranged on the upper portions of the inner walls of the deflection support frames in a relatively rotating mode through rotating shafts, the bottoms of the two groups of gantry frames are connected through a rotary furnace base, rotary supports are arranged on the rotary furnace base, the inner walls of the rotary supports are connected with a rotary furnace in a clamping mode through limiting wheels which are uniformly connected in a rotating mode, a driver is arranged on the rotary furnace base, the rotating shaft of the driver is connected with the limiting wheels, an adjusting oil cylinder is rotatably arranged between the rotating shaft of one of the gantry frames and the bottoms of the deflection support frames through a connecting rod, a hydraulic telescopic mechanism is fixed on one side of each of the two groups of deflection support frames through a cross beam and is horizontally embedded and arranged on the ground, rolling wheels are arranged at the bottoms of the deflection, the port of the flue gas temperature control pipe is inserted into the right opening of the rotary furnace in a matching manner, the rotary burner is installed on the rotary support, the tail spray pipe of the rotary burner is inserted into the left opening of the rotary furnace in a rotating manner in a matching manner, the left end of the rotary furnace is close to the two sides of the center and is respectively provided with a furnace temperature detection port and a flame detection port, and the center of the outer side of the left end of the rotary furnace is symmetrically provided with a pair of molten iron outlet and a waste residue outlet.
Furthermore, the safety valve adopts an automatic pressure relief valve and is arranged at the tail end of the flue gas temperature control pipe through a pipeline, and a temperature sensor is arranged on the pipeline.
Furthermore, the discharge valve is connected with the reduction furnace through a material pouring door and a sealing door.
Further, the rotary furnace comprises a thickened steel furnace shell, a nanometer thermal insulation layer is installed on the inner wall of the steel furnace shell, a thermal insulation layer is arranged on the inner wall of the nanometer thermal insulation layer, and a high-temperature-resistant layer is arranged on the inner wall of the thermal insulation layer.
Furthermore, two ends of the gantry frame are attached to the inner side of the outer ring of the shell protrusion of the rotary furnace through rotating wheels.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a process for deoxidizing and reducing oxidized metal into metal raw material by utilizing the reducing atmosphere in the reduction melting furnace, improves the raw material components, reduces impurities in the raw material, improves the efficiency of the rotary furnace for discharging high-quality metal liquid, reduces the amount of waste slag, and prolongs the service life of the rotary furnace;
the spiral gas pipe is arranged in the flue gas temperature control pipe, so that the temperature of gas entering the reduction furnace can be conveniently adjusted, meanwhile, the safety valve is provided with the temperature sensor, so that the real-time temperature monitoring can be conveniently realized, the phenomenon that the temperature is too high, the raw material state is changed, the next process is influenced is avoided, and the maintenance of equipment is facilitated;
the discharge valve is installed through the material pouring door and the sealing door, so that the sealing of the material in the reduction furnace during preheating can be ensured, and the quick completion of discharging after the preheating is finished can be ensured;
the fixed end of the rotary burner is positioned on the rotary support, so that the rotary burner can be tightly combined with the rotary furnace when the angle of the rotary furnace is not horizontal to the ground, and the use of the rotary burner is not influenced;
the rotary furnace is internally provided with a temperature sensor, so that the temperature in the rotary furnace can be monitored at any time, and the operation terminal controls the gas delivery quantity in the rotary burner, thereby realizing the functions of melting the rotary furnace and preserving the heat of the metal liquid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the rotary kiln of FIG. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a feeding machine 1, a reduction furnace 2, a breather 3, a flue gas temperature control pipe 4, a spiral gas pipe 5, a safety valve 6, a discharge valve 7, a rotary furnace 8, a rotary support 9, a rotary furnace base 10, a deflection support frame 11, an adjusting oil cylinder 12, a rotary combustor 13, a temperature sensor 14, a driver 15, a waste gas collecting and processing pipeline 16, a gantry frame 17, a molten iron outlet 18, a waste residue outlet 19, a furnace temperature detection port 20 and a flame detection port 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.
Referring to fig. 1-2, the present invention provides a technical solution: a vertical reduction melting furnace comprises a feeding machine 1, a reduction furnace 2, a breather 3, a flue gas temperature control pipe 4, a spiral gas pipe 5, a safety valve 6, a discharge valve 7 and a rotary furnace 8, the device comprises a rotary support 9, a rotary furnace base 10, two groups of deflection support frames 11, an adjusting oil cylinder 12, a rotary combustor 13, six temperature sensors 14, a driver 15, a waste gas collecting and processing pipeline 16 and a gantry frame 17, wherein a feeding machine 1 is arranged at the rear side of a reduction furnace 2, an upper discharge hole is positioned above a feed inlet of the reduction furnace 2, the waste gas collecting and processing pipeline 16 is positioned above a gas outlet of the reduction furnace 2, a breather 3 is arranged in an inner cavity of the reduction furnace 2, a discharge valve 7 is arranged at the lower part of the outer wall of the reduction furnace 2, a flue gas temperature control pipe 4 is arranged at the bottom end of the reduction furnace 2, a safety valve 6 is arranged at one side, close to the reduction furnace 2, of the;
two groups of deflection support frames 11 are arranged in parallel front and back relatively, gantry frames 17 are arranged on the upper portions of the inner walls of the deflection support frames 11 in a relatively rotating mode through rotating shafts, the bottoms of the two groups of gantry frames 17 are connected through a rotary furnace base 10, rotary supports 9 are arranged on the rotary furnace base 10, rotary furnaces 8 are clamped on the inner walls of the rotary supports 9 through limiting wheels which are uniformly connected in a rotating mode, drivers 15 are arranged on the rotary furnace base 10, rotating shafts of the drivers 15 are connected with the limiting wheels, adjusting oil cylinders 12 are rotatably arranged between the rotating shaft of one gantry frame 17 and the bottoms of the deflection support frames 11 through connecting rods, hydraulic telescoping mechanisms are fixed on one sides of the two groups of deflection support frames 11 through cross beams, the hydraulic telescoping mechanisms are horizontally embedded and arranged on the ground, rollers are arranged at the bottoms of the deflection support frames 11, the rotary furnace 8 is uniformly and circularly provided with six temperature sensors 14, the temperature sensors 14 are embedded into the furnace shell by about 5cm and used for detecting the temperature of the furnace shell, the port of the flue gas temperature control tube 4 is inserted into the right opening of the rotary furnace 8 in a matching way, the rotary combustor 13 is arranged on the rotary bracket 9, the tail nozzle of the rotary combustor 13 is inserted into the left opening of the rotary furnace 8 in a rotating and matching way, the left end of the rotary furnace 8 close to the center is respectively provided with a furnace temperature detection port 20 and a flame detection port 21, the flame detection port 21 is used for detecting the size of combustion flame in the rotary furnace when the rotary furnace works and is convenient to adjust, the furnace temperature detection port 20 is used for monitoring the temperature condition in the rotary furnace in real time, the outer side center of the left end of the rotary furnace 8 is symmetrically provided with a pair of molten iron outlet 18 and a waste slag outlet 19, and the pair of the molten iron outlet 18 with symmetrical, the density of waste slag is light, the waste slag floats on molten iron, a waste slag outlet 19 is closer to the central axis relative to a position of a molten iron outlet 18, the waste slag is staggered with a feeding machine 1 through a reduction furnace 2, the waste slag is moved left and right through a deflection support frame 11 so that a flue gas temperature control tube 4 can be separated from a rotary furnace 8, a driver 15 (adopting an existing motor with a control switch) is used for enabling a limiting wheel to rotate, the rotary furnace 8 is enabled to rotate through friction by the limiting wheel, discharging is conducted through a discharging hole in the left side of the rotary furnace 8, meanwhile, a rotary combustor 13 is rotated and separated, an adjusting oil cylinder 12 is externally connected with a hydraulic control system, the whole formed by a gantry frame 17 and a rotary furnace.
Wherein, the relief valve 6 adopts automatic relief valve, and installs at flue gas temperature control pipe 4 tail end through the pipeline, installs temperature sensor on the pipeline.
The discharge valve 7 is connected with the reduction furnace 2 through a material pouring door and a sealing door, the sealing door is installed on the material pouring door, the discharge valve 7 is installed on the sealing door, and the material pouring door is connected with the reduction furnace 2 through a discharge pipe.
The rotary furnace 8 comprises a thickened steel furnace shell, a nanometer thermal insulation layer is installed on the inner wall of the steel furnace shell, a thermal insulation layer is arranged on the inner wall of the nanometer thermal insulation layer, and a high-temperature-resistant layer is arranged on the inner wall of the thermal insulation layer.
The two ends of the gantry frame 17 are attached to the inner side of the outer ring of the shell protrusion of the rotary furnace 8 through the rotating wheels, so that the whole rotary structure is stable.
One specific application of this embodiment is: iron oxide, aluminum oxide and the like of an oxidized metal block to be reduced and melted enter a reduction furnace 2 through a feeding machine 1, corresponding reducing agents and catalysts are added, an aerator 3 with an air-permeable supporting plate is arranged at the middle lower part of the reduction furnace 2, the temperature of combustion waste gas in the aerator 3 flows through the surface of the oxidized metal block through the air holes in the aerator 3, the reducing agents and the catalysts react with the oxidized metal at high temperature to deoxidize and reduce the oxidized metal into a metal raw block, and CO and CH flowing through the surface of the oxidized metal by utilizing a rotary combustor 134Iso-gas to CO2、H2O, etc. connected to the existing waste gas treatment equipment (not shown in the figure) from the other end of the waste gas collecting and treating pipeline 16, and discharged into the atmosphere after the treatment is finished;
the combustion waste gas in the rotary furnace 8 enters the reduction furnace 2 after the temperature is adjusted by the flue gas temperature control pipe 4, wherein the spiral gas pipe 5 is connected with the existing gas supply device (not shown in the figure) and adjusts the temperature of the gas entering the reduction furnace 2 by cooling the gas, so that the temperature of the gas is ensured to be lower than 1000 ℃, and the phenomenon that oxidized metal is changed into metal liquid due to overhigh temperature and is not beneficial to the next procedure and the maintenance of equipment is avoided;
the tail end of the flue gas temperature control pipe 4 is provided with a safety valve 6, and when the air pressure in the flue gas temperature control pipe 4 is too high, the safety valve 6 is automatically opened to release the pressure, so that the safety of the equipment is improved; meanwhile, the safety valve 6 is provided with a temperature sensor for feeding back the temperature of the gas entering the reduction furnace 2, thereby realizing real-time monitoring.
It is worth noting that: the material loading machine, reduction furnace, relief valve, discharge valve, adjusting cylinder, rotatory combustor, temperature-sensing ware and the driver that this patent application adopted are equipment commonly used, belong to current mature technology, no longer give unnecessary detail here its product model and application method.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a vertical reduction melting furnace, includes material loading machine (1), reduction furnace (2), breather (3), flue gas temperature control pipe (4), spiral gas pipe (5), relief valve (6), discharge valve (7), rotary furnace (8), slewing bracket (9), rotary furnace base (10), two sets of deflection support frames (11), adjusting cylinder (12), rotatory combustor (13), six temperature-sensing ware (14), driver (15), waste gas collection processing pipeline (16) and gantry frame (17), its characterized in that: the device comprises a feeding machine (1), a waste gas collecting and processing pipeline (16), a breather (3), a discharge valve (7), a flue gas temperature control pipe (4), a safety valve (6), a spiral air pipe (5), a gas outlet, a gas temperature control pipe (2), a gas temperature control pipe (4), a safety valve (6), a gas outlet, a gas temperature control pipe (4), a gas outlet;
the two deflection support frames (11) are arranged in parallel front and back relatively, the upper parts of the inner walls of the deflection support frames (11) are respectively provided with a gantry frame (17) through a rotating shaft in a relatively rotating manner, the bottoms of the two gantry frames (17) are connected through a rotary furnace base (10), the rotary furnace base (10) is provided with a rotary support (9), the inner wall of the rotary support (9) is connected with a rotary furnace (8) through a limiting wheel in a uniformly rotating manner, the rotary furnace base (10) is provided with a driver (15), the rotating shaft of the driver (15) is connected with the limiting wheel, one rotating shaft of one gantry frame (17) is rotatably provided with an adjusting oil cylinder (12) through a connecting rod and the bottom of the deflection support frame (11), one side of the two deflection support frames (11) is fixed with a hydraulic telescopic mechanism through a cross beam, and the hydraulic telescopic mechanism is horizontally embedded and, the gyro wheel is installed to the bottom of deflection support frame (11), evenly be circular on rotary furnace (8) and install six temperature-sensing ware (14), the port matching of flue gas temperature control pipe (4) is pegged graft in the right side opening of rotary furnace (8), install on slewing bracket (9) rotary burner (13), the tail nozzle of rotary burner (13) rotates to match and pegs graft in the left side opening of rotary furnace (8), the left end of rotary furnace (8) is close to central authorities both sides and is provided with interior temperature detection mouth (20) and flame detection mouth (21) respectively, the left end outside central symmetry of rotary furnace (8) is provided with a pair of molten iron export (18) and waste residue export (19).
2. A vertical reduction melting furnace according to claim 1, characterized in that: the safety valve (6) adopts an automatic pressure relief valve and is arranged at the tail end of the flue gas temperature control pipe (4) through a pipeline, and a temperature sensor is arranged on the pipeline.
3. A vertical reduction melting furnace according to claim 1, characterized in that: the discharge valve (7) is connected with the reduction furnace (2) through a material pouring door and a sealing door.
4. A vertical reduction melting furnace according to claim 1, characterized in that: the rotary furnace (8) comprises a thickened steel furnace shell, a nanometer thermal insulation layer is installed on the inner wall of the steel furnace shell, a thermal insulation layer is arranged on the inner wall of the nanometer thermal insulation layer, and a high-temperature-resistant layer is arranged on the inner wall of the thermal insulation layer.
5. A vertical reduction melting furnace according to claim 1, characterized in that: and two ends of the gantry frame (17) are attached to the inner side of the outer ring of the shell protrusion of the rotary furnace (8) through rotating wheels.
CN202022508776.8U 2020-11-03 2020-11-03 Vertical reduction melting furnace Active CN213335476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022508776.8U CN213335476U (en) 2020-11-03 2020-11-03 Vertical reduction melting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022508776.8U CN213335476U (en) 2020-11-03 2020-11-03 Vertical reduction melting furnace

Publications (1)

Publication Number Publication Date
CN213335476U true CN213335476U (en) 2021-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022508776.8U Active CN213335476U (en) 2020-11-03 2020-11-03 Vertical reduction melting furnace

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CN (1) CN213335476U (en)

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20221128

Address after: Room 204, Huizhi Space, Yuwang Road Street, Sanmenxia City, Henan Province, 472000

Patentee after: Henan Yi Erjiu Circulation Technology Co.,Ltd.

Address before: 262500 Miaozi town malinghang village, Qingzhou City, Weifang City, Shandong Province

Patentee before: Shandong Dingde Machinery Technology Co.,Ltd.

TR01 Transfer of patent right