CN217297975U

CN217297975U - In-furnace refining degassing and deslagging device

Info

Publication number: CN217297975U
Application number: CN202220323326.8U
Authority: CN
Inventors: 王海波; 史庆龙; 徐立军
Original assignee: Jinan Hydeb Thermal Tech Co ltd
Current assignee: Jinan Hydeb Thermal Tech Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-26
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a refining degassing and deslagging device in a furnace, which comprises a heat-insulating power transmission arm, wherein the outer layer of the heat-insulating power transmission arm is coated with heat-insulating materials, a hermetically arranged holding space is arranged in the heat-insulating power transmission arm, an air inlet pipe, an air outlet pipe and a powder conveying pipe are inserted in the part of the heat-insulating power transmission arm, which is positioned outside a furnace body, a power input shaft is arranged in the holding space, a power output shaft is arranged in the inner part of the heat-insulating power transmission arm, which deeply enters the furnace, and a power steering mechanism is connected between the power input shaft and the power output shaft in a transmission way, the refining degassing and deslagging device in the furnace realizes the transmission conversion of 90 degrees of the power input shaft and the power output shaft through the power steering mechanism, converts the power in the horizontal direction into the rotating force in the vertical direction, and solves the shaking problem when a rotor rotates, the operation stability is ensured, the service life of the graphite rotor is prolonged, and the heat loss can be reduced.

Description

In-furnace refining degassing and deslagging device

Technical Field

The utility model relates to a concise technical field of aluminium liquid especially relates to a concise degassing and deslagging device in stove.

Background

Currently, the degassing and deslagging in the furnace are mainly carried out in two modes, wherein the single-tube degassing and deslagging specifically comprises the steps of carrying out degassing and deslagging on high-purity nitrogen (or argon) and a refining agent in the aluminum industry by adopting manual or automatic equipment through moving a single tube which is deeply arranged in the furnace, so as to achieve the purpose of refining aluminum water; degassing and deslagging the rotor: specifically, a motor drives a graphite rotor to obliquely penetrate into aluminum liquid from a furnace opening or a furnace side, the aluminum liquid is stirred by the pump effect of the rotor or is stirred by electromagnetic stirring, and high-purity nitrogen (or argon) and a refining agent are introduced into the aluminum liquid to carry out aluminum degassing and deslagging, so that the aim of refining the aluminum liquid is fulfilled;

for single-tube degassing and deslagging, firstly, a single-tube degassing and deslagging mode cannot well and uniformly mix high-purity nitrogen (or argon) and a refining agent with molten aluminum, the refining effect is poor under the condition of equal dosage and ventilation, and for rotor degassing and deslagging, the rotor degassing and deslagging can well and uniformly mix the high-purity nitrogen (or argon) and the refining agent with the molten aluminum;

at present, two kinds of rotor gas removal slagging-off modes (stove side and furnace gate) commonly used are all that go deep into aluminium liquid through the mode of slope with the rotor and carry out work, the slope mode is because the length of pivot self is longer, radial component is great, hardly solve the shake problem when the rotor rotates in the technology, lead to operation unstability and rotor damage, under the condition of not equipping with electromagnetic stirring, only mix by the pump effect of rotor, it is even to hardly guarantee concise abundant machine when the furnace body is great, and when adopting from the furnace gate to refine, because the length of the self of rotor pivot and arrangement mode, must mention great height with the furnace gate, lead to heat serious loss, for this novel interior concise slagging-off gas removal device of furnace that provides is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concise degassing and deslagging device in stove, it all carries out work with the rotor deep into aluminium liquid through the mode of slope to have solved two kinds of rotor degassing and deslagging modes commonly used (stove side and furnace gate), the slope mode is because the length of pivot self is longer, radial component is great, shake problem when hardly solving the rotor rotation in the technology, lead to the unstable and rotor damage of operation, under the condition of not equipping with the electromagnetism stirring, only mix by the pump effect of rotor, it is even hardly to guarantee concise abundant machine when the furnace body is great, and when adopting to refine from the furnace gate, because the length and the arrangement mode of rotor shaft's self, must mention great height with the furnace gate, lead to the technical problem of the serious loss of heat.

In order to solve the technical problem, the utility model provides a concise degassing and deslagging device in stove, including thermal-insulated power transmission arm, the outer coating of thermal-insulated power transmission arm has thermal insulation material, be provided with the airtight accommodation space that sets up in the thermal-insulated power transmission arm, the part that is located the furnace body outside of thermal-insulated power transmission arm is inserted and is equipped with intake pipe, outlet duct and defeated powder pipe, install the power input shaft in the accommodation space, power output shaft is installed to the part that thermal-insulated power transmission arm goes deep into the stove, the transmission is connected with power steering mechanism between power input shaft and the power output shaft, wherein, power output shaft mutually perpendicular set up, and the power input shaft is the hollow structure design, the bottom of power input shaft extends thermal-insulated power transmission arm and is connected with the graphite pivot, the bottom mounting of graphite pivot has the graphite rotor, the top end of the power input shaft is communicated with the nitrogen input assembly.

Preferably, the power steering mechanism comprises a corner plate, a driving bevel gear and a driven bevel gear, bearings are embedded in both sides of the corner plate, and a power input shaft and a power output shaft are respectively embedded in the two groups of bearings in a rotating manner, wherein the driving bevel gear is fixedly connected with the end part of the power input shaft, and the driven bevel gear is fixedly connected with the end part of the power output shaft.

Preferably, the outside equidistance of power input shaft is provided with a plurality of bearing frames, the outside fixedly connected with outer sleeve of bearing frame, the outer sleeve cover is established in the outside of power input shaft, and its both ends rotate with scute, accommodation space inner wall respectively and are connected.

Preferably, the nitrogen gas input assembly includes rotary joint, rotary joint's both sides are rotated respectively and are connected with nitrogen gas income pipe and nitrogen gas exit tube, wherein, the nitrogen gas is gone into the pipe and is extended thermal-insulated power transmission arm outer wall, driven bevel gear, power output shaft and graphite rotor are run through in proper order to the bottom of nitrogen gas exit tube.

Preferably, one end of the air inlet pipe extends to the upper part of the power steering mechanism, the air outlet pipe is positioned below the power steering mechanism, and the length of the air outlet pipe is shorter than that of the air inlet pipe.

Preferably, the powder conveying pipe is provided with an elbow structure, the elbow structure penetrates out of the heat-insulation power transmission arm and is fixedly connected with a temperature-resistant joint, and the bottom end of the temperature-resistant joint is close to the graphite rotor.

Compared with the prior art, the utility model provides a pair of concise degasification dross removal mechanism in stove has following beneficial effect:

(1) the utility model provides a refining degassing and deslagging device in furnace, which realizes the transmission conversion of 90 degrees of a power input shaft and a power output shaft through a power steering mechanism, converts the power in the horizontal direction into the rotating force in the vertical direction, solves the problem of shaking when a rotor rotates, ensures the operation stability, prolongs the service life of a graphite rotor, and can reduce the heat loss;

(2) the utility model provides a concise degasification dross removal mechanism in stove slows down transmission part temperature rise speed through cold air cooling and packing insulation material, can realize deepening the stove with the rotor in, is equipped with automation equipment and realizes removing in the stove, realizes high-purity nitrogen gas (or argon gas) and concise agent and the abundant even mixture of aluminium liquid, accomplishes the concise purpose of good aluminium liquid.

Drawings

FIG. 1 is a side sectional view of a refining, degassing and deslagging apparatus in a furnace of the present invention;

FIG. 2 is a sectional view of the refining, degassing and deslagging apparatus in a furnace of the present invention, taken along the A-A direction in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 of the refining, degassing and deslagging device of the present invention.

Reference numbers in the figures: 1. a thermally insulated power transmission arm; 101. an accommodating space; 102. an air inlet pipe; 103. an air outlet pipe; 104. a powder conveying pipe; 105. a temperature resistant joint; 2. a power input shaft; 201. a bearing seat; 202. an outer sleeve; 3. a power take-off shaft; 4. a power steering mechanism; 401. corner plates; 402. a drive bevel gear; 403. a driven bevel gear; 5. a graphite rotating shaft; 501. a graphite rotor; 6. a nitrogen input assembly; 601. a rotary joint; 602. introducing nitrogen into the pipe; 603. and (6) discharging a nitrogen gas pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the utility model relates to a refining degassing and deslagging device in furnace, which comprises a heat-insulating power transmission arm 1, the outer layer of the heat-insulating power transmission arm 1 is coated with heat-insulating materials, a closed accommodating space 101 is arranged in the heat-insulating power transmission arm 1, an air inlet pipe 102, an air outlet pipe 103 and a powder conveying pipe 104 are inserted into the part of the heat-insulating power transmission arm 1, which is positioned outside the furnace body, a power input shaft 2 is arranged in the accommodating space 101, a power output shaft 3 is arranged in the inner part of the heat-insulating power transmission arm 1, a power steering mechanism 4 is connected between the power input shaft 2 and the power output shaft 3 in a transmission way, wherein the power output shaft 3 and the power output shaft 3 are arranged in a mutually perpendicular way, the power input shaft 2 is designed in a hollow structure, the bottom end of the power input shaft 2 extends out of the heat-insulating power transmission arm 1 and is connected with a graphite rotating shaft 5, the graphite rotor 501 is fixed at the bottom end of the graphite rotating shaft 5, the top end of the power input shaft 2 is communicated with the nitrogen input assembly 6, heat insulation materials can be ceramic materials, cold air is continuously introduced into the air inlet pipe 102, the cold air is blown out through a port, close to the power steering mechanism 4, of the air inlet pipe 102, the temperature of the area is reduced, the temperature of the circulated air rises, the air is discharged from the air outlet pipe 103, the influence of high temperature in the furnace on a transmission part can be overcome, the air can be cooled through various external refrigeration and then enters a space needing cooling, the heat insulation materials and a cooling air gas circuit are not unique in spatial arrangement mode, transmission steering through a bevel gear is not unique in mechanical mode, and the graphite rotor belongs to the protection range of the application.

It is within the scope of the present invention to modify only some of the embodiments described herein, such as by using insulation or by using aeration to reduce temperature.

The power steering mechanism 4 comprises a corner plate 401, a driving bevel gear 402 and a driven bevel gear 403, bearings are embedded in two sides of the corner plate 401, and a power input shaft 2 and a power output shaft 3 are respectively embedded in the two groups of bearings in a rotating manner, wherein the driving bevel gear 402 is fixedly connected with the end of the power input shaft 2, the driven bevel gear 403 is fixedly connected with the end of the power output shaft 3, the power input shaft 2 rotates to drive the driving bevel gear 402 which is transversely arranged to rotate, and the driving bevel gear 402 is meshed with the driving driven bevel gear 403 to drive the power output shaft 3 which is vertically arranged to rotate.

Wherein, the outside equidistance of power input shaft 2 is provided with a plurality of bearing frames 201, the outside fixedly connected with outer sleeve 202 of bearing frame 201, outer sleeve 202 cover is established in the outside of power input shaft 2, and its both ends rotate with scute 401, accommodation space 101 inner wall respectively and are connected, can guarantee power input shaft 2's structural strength, has played the auxiliary stay effect.

Wherein, nitrogen gas input module 6 includes rotary joint 601, rotary joint 601's both sides are rotated respectively and are connected with nitrogen gas and are gone into pipe 602 and nitrogen gas exit tube 603, wherein, nitrogen gas is gone into pipe 602 and is extended thermal-insulated power transmission arm 1 outer wall, driven bevel gear 403, power output shaft 3 and graphite rotor 501 are run through in proper order to the bottom of nitrogen gas exit tube 603 for high-pressure nitrogen gas can get into the stove smoothly, can mix high-purity nitrogen gas (or argon gas) and aluminium liquid in the stove.

One end of the air inlet pipe 102 extends to the upper part of the power steering mechanism 4, the air outlet pipe 103 is positioned below the power steering mechanism 4, and the length of the air outlet pipe 103 is shorter than that of the air inlet pipe 102, so that cold air can penetrate into the accommodating space 101 to replace hot air of the transmission part, the heat exchange effect can be improved, and the influence of high temperature in the furnace on the transmission part can be overcome.

Wherein, defeated powder pipe 104 is provided with the elbow structure, and the elbow structure wears out thermal-insulated power transmission arm 1 fixedly connected with temperature resistant joint 105, temperature resistant joint 105 bottom is close graphite rotor 501, utilizes high-purity nitrogen gas can get into powdered refining from defeated powder pipe 104, follows temperature resistant joint 105 and gets into the stirring region, has improved the refining effect.

The working principle is as follows: when the device is used, the power input shaft 2 is driven by the power of the motor, the power input shaft 2 rotates to drive the horizontally arranged drive bevel gear 402 to rotate, the drive bevel gear 402 is meshed with the drive driven bevel gear 403 to drive the vertically arranged power output shaft 3 to rotate, the power output shaft 3 drives the graphite rotating shaft 5 and the graphite rotor 501 to rotate to realize stirring action, powder refining can enter from the powder conveying pipe 104 and enter a stirring area along the temperature-resistant joint 105 by utilizing high-purity nitrogen, the refining effect is improved, the heat-insulating material is coated outside the heat-insulating power transmission arm 1, the influence of high temperature in the furnace can be reduced, heat-insulating protection can be carried out, cold air is continuously introduced into the air inlet pipe 102, the cold air is blown out through the port of the air inlet pipe 102 close to the power steering mechanism 4 to cool the area, the temperature of the circulated air rises and is discharged from the air outlet pipe 103, the influence of high temperature in the furnace on the transmission part can be overcome.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A refining, degassing and deslagging device in a furnace comprises a heat-insulating power transmission arm (1), and is characterized in that the outer layer of the heat-insulating power transmission arm (1) is coated with a heat-insulating material, a closed accommodating space (101) is arranged in the heat-insulating power transmission arm (1), a gas inlet pipe (102), a gas outlet pipe (103) and a powder conveying pipe (104) are inserted into the part, located outside a furnace body, of the heat-insulating power transmission arm (1), a power input shaft (2) is arranged in the accommodating space (101), a power output shaft (3) is arranged in the inner part, deep into the furnace, of the heat-insulating power transmission arm (1), a power steering mechanism (4) is in transmission connection between the power input shaft (2) and the power output shaft (3), wherein the power output shaft (3) and the power output shaft (3) are perpendicular to each other, and the power input shaft (2) is designed in a hollow structure, the bottom of the power input shaft (2) extends out of the heat insulation power transmission arm (1) to be connected with a graphite rotating shaft (5), a graphite rotor (501) is fixed at the bottom end of the graphite rotating shaft (5), and the top end of the power input shaft (2) is communicated with the nitrogen input assembly (6).

2. The refining, degassing and deslagging device in the furnace according to claim 1, wherein the power steering mechanism (4) comprises a corner plate (401), a driving bevel gear (402) and a driven bevel gear (403), bearings are embedded on two sides of the corner plate (401), and a power input shaft (2) and a power output shaft (3) are respectively embedded in two groups of bearings in a rotating manner, wherein the driving bevel gear (402) is fixedly connected with the end of the power input shaft (2), and the driven bevel gear (403) is fixedly connected with the end of the power output shaft (3).

3. The refining degassing and deslagging device in the furnace according to claim 1, wherein a plurality of bearing seats (201) are equidistantly arranged on the outer side of the power input shaft (2), an outer sleeve (202) is fixedly connected to the outer side of each bearing seat (201), the outer sleeve (202) covers the outer side of the power input shaft (2), and two ends of the outer sleeve are respectively and rotatably connected with the corner plate (401) and the inner wall of the accommodating space (101).

4. The in-furnace refining degassing and deslagging device according to claim 1, wherein the nitrogen gas input assembly (6) comprises a rotary joint (601), two sides of the rotary joint (601) are respectively and rotatably connected with a nitrogen gas inlet pipe (602) and a nitrogen gas outlet pipe (603), wherein the nitrogen gas inlet pipe (602) extends out of the outer wall of the heat-insulating power transmission arm (1), and the bottom end of the nitrogen gas outlet pipe (603) sequentially penetrates through the driven bevel gear (403), the power output shaft (3) and the graphite rotor (501).

5. A refining, degassing and deslagging device in a furnace according to claim 1 wherein one end of said gas inlet pipe (102) extends above the power steering mechanism (4), said gas outlet pipe (103) is located below the power steering mechanism (4), and said gas outlet pipe (103) is shorter in length than said gas inlet pipe (102).

6. The in-furnace refining, degassing and deslagging device according to claim 1, wherein the powder conveying pipe (104) is provided with an elbow structure, the elbow structure penetrates through the heat-insulating power transmission arm (1) and is fixedly connected with a temperature-resistant joint (105), and the bottom end of the temperature-resistant joint (105) is close to the graphite rotor (501).