CN212058353U - Novel special modularization petticoat pipe of melting synthetic corundum smelting furnace - Google Patents
Novel special modularization petticoat pipe of melting synthetic corundum smelting furnace Download PDFInfo
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- CN212058353U CN212058353U CN202020773087.7U CN202020773087U CN212058353U CN 212058353 U CN212058353 U CN 212058353U CN 202020773087 U CN202020773087 U CN 202020773087U CN 212058353 U CN212058353 U CN 212058353U
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Abstract
A novel special modularized smoke hood for a fused synthetic corundum smelting furnace comprises a cover plate, a chassis, a pore plate and an air injection ring, wherein the cover plate is horizontally arranged, the chassis is longitudinally and horizontally arranged in the middle of the lower surface of the cover plate, the pore plate is arranged in the middle of the upper surface of the cover plate, and the air injection ring is uniformly arranged on the lower part of the pore plate in a horizontal manner; the cover plate is a horizontal octagonal plate, and two sides of the upper surface of the cover plate are provided with feed holes; the utility model adopts the above technical scheme, good effect has been gained: novel special modularization petticoat pipe of synthetic corundum smelting furnace of melting is through setting up the inside chassis that fills thermal-insulated refractory wool in the cover plate lower part to installation through-hole upper portion sets up the triangle-shaped orifice plate that separates the magnetism in the middle of, it gives the electrode bar cooling to set up the gas injection ring in the orifice plate lower part, the structure of petticoat pipe has effectively been simplified, and it is more convenient to make the maintenance through modular structure, the orifice plate of low magnetic conduction has reduced the middle part of cover plate and has generated heat, the life of whole petticoat pipe has been prolonged, the expense cost of enterprise has been.
Description
Technical Field
The utility model relates to a field is made to synthetic corundum of melting, the utility model discloses a special modularization no water smoke cover of synthetic corundum smelting furnace of melting.
Background
The fused synthetic corundum is widely applied to the fields of machinery, buildings and the like as a wear-resistant material, the fused synthetic corundum is smelted in a smelting furnace mainly through materials such as aluminum oxide powder or bauxite, the existing smelting is usually carried out by discharging through graphite electrode bars, electric arcs are formed between the graphite electrode bars for heating smelting, and high heat is formed at the upper part of the smelting furnace due to very high smelting temperature, so that the upper part adopts a water circulation smoke hood upper cover, but the water circulation smoke hood needs a special circulation water path for cooling, the structure is very complex, if the water circulation smoke hood is damaged, the whole body is directly scrapped, and the region between the electrode bars in a through hole of the water circulation smoke hood electrode is easy to generate induction heating, so that the smoke hood generates heat seriously, even burns, the service life of the smoke hood is reduced, and the; therefore, a device is needed to solve the problems that the existing water circulation cooling smoke hood of the fused synthetic corundum smelting furnace has complex structure, can not be maintained, generates heat seriously and has short service life.
Disclosure of Invention
The utility model provides a novel special modularization petticoat pipe of synthetic corundum smelting furnace of melting for solve current synthetic corundum smelting furnace hydrologic cycle cooling petticoat pipe structure complicacy, unable maintenance, generate heat seriously and the short-lived problem.
The purpose of the utility model is realized by adopting the following technical scheme:
a novel special modularized smoke hood for a fused synthetic corundum smelting furnace comprises a cover plate, a chassis, a pore plate and an air injection ring, wherein the cover plate is horizontally arranged, the chassis is longitudinally and horizontally arranged in the middle of the lower surface of the cover plate, the pore plate is arranged in the middle of the upper surface of the cover plate, and the air injection ring is uniformly arranged on the lower part of the pore plate in a horizontal manner; the cover plate is a horizontal octagonal plate, the two sides of the upper surface of the cover plate are provided with feed holes, the middle part of the upper surface of the cover plate is provided with an equilateral triangle mounting through hole, the vertex angle of the mounting through hole is chamfered, and threaded holes are uniformly arranged around the mounting through hole on the upper surface of the cover plate; the chassis is a rectangular frame structure made of channel steel, the right cross beam, the longitudinal beam and the oblique beam form the rectangular frame structure, the middle of the chassis is provided with a chassis through hole with the size consistent with that of the corresponding mounting through hole on the cover plate, and heat-insulating heat-resistant cotton is filled among the cross beam, the longitudinal beam and the oblique beam of the chassis.
The pore plate is of an equilateral triangle plate structure, three vertex angle chamfer angles of the pore plate are arranged, trisection electrode through holes are formed in the middle of the pore plate, through holes are evenly formed in the edge of the upper surface of the pore plate and correspond to threaded holes in the upper surface of the cover plate and are connected with the threaded holes through bolts, an air inlet pipe is arranged in the middle of the upper surface of the pore plate, and the whole area of the pore plate is larger than the area of the mounting through holes in the cover plate.
The gas injection ring is a circular ring with a fracture on one side, the cross section of the gas injection ring is of a hollow rectangular pipe structure, the lower end of an inner hole of the gas injection ring is provided with a chamfer angle, a gas injection hole is uniformly formed in the chamfer angle surface, a branch pipe is arranged on one side of the excircle of the gas injection ring, the branch pipe is communicated with a hole plate in the middle of an air inlet pipe, a vertical hanging rod is arranged on the gas injection ring, the upper end of the hanging rod is connected with the periphery of an electrode through hole below the hole plate, and heat-insulating heat-resistant cotton is filled between the outer side of the gas injection ring and a bottom.
The longitudinal length of the underframe is less than that of the cover plate, and the transverse width of the underframe is less than the distance between the feeding holes on the cover plate.
The center line of the air injection ring corresponds to the center of the electrode through hole on the pore plate, and the lower end face of the air injection ring is flush with the lower end face of the bottom frame.
The orifice plate is made of stainless steel material with low magnetic permeability.
The utility model adopts the above technical scheme, good effect has been gained: novel special modularization petticoat pipe of synthetic corundum smelting furnace of melting is through setting up the inside chassis that fills thermal-insulated refractory wool in the cover plate lower part to installation through-hole upper portion sets up the triangle-shaped orifice plate that separates the magnetism in the middle of, it gives the electrode bar cooling to set up the gas injection ring in the orifice plate lower part, the structure of petticoat pipe has effectively been simplified, and it is more convenient to make the maintenance through modular structure, the orifice plate of low magnetic conduction has reduced the middle part of cover plate and has generated heat, the life of whole petticoat pipe has been prolonged, the expense cost of enterprise has been.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a schematic structural view of the gas injection ring in fig. 2.
In the figure: 1. the gas spraying device comprises a cover plate, 2, a feeding hole, 3, a pore plate, 4, a bolt, 5, an electrode through hole, 6, a gas inlet pipe, 7, a bottom frame, 8, a gas spraying ring, 9, a branch pipe, 10, an electrode rod, 11, a suspender, 12, a fracture, 13 and a gas spraying hole.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the novel modular smoke hood special for the fused synthetic corundum smelting furnace comprises a cover plate 1, a chassis 7, a pore plate 3 and a gas injection ring 8, wherein the cover plate 1 is horizontally arranged, the cover plate 1 is a horizontal octagonal plate, two sides of the upper surface of the cover plate 1 are provided with feed holes 2, the middle part of the upper surface of the cover plate 1 is provided with an equilateral triangle installation through hole, the vertex angle of the installation through hole is chamfered, and threaded holes are uniformly formed around the installation through hole on the upper surface of the cover plate 1; the chassis 7 is longitudinally and horizontally arranged in the middle below the cover plate 1, the chassis 7 is of a rectangular frame structure made of channel steel, and consists of a right cross beam, a longitudinal beam and an oblique beam, the middle of the chassis 1 is provided with a chassis through hole with the same size as the installation through hole of the cover plate 1 at a position corresponding to the installation through hole of the cover plate 1, heat-insulating heat-resistant cotton is filled among the cross beam, the longitudinal beam and the oblique beam of the chassis 7, the longitudinal length of the chassis 7 is smaller than that of the cover plate 1, and the transverse width of the chassis 7 is smaller than the distance between the feed holes 2; the hole plate 3 is arranged in the middle of the upper surface of the cover plate 1, the hole plate 3 is of an equilateral triangle plate structure, three vertex angles of the hole plate 3 are chamfered, trisected electrode through holes 5 are formed in the middle of the hole plate 3, through holes are uniformly formed in the edge of the upper surface of the hole plate 3, correspond to threaded holes in the cover plate 1 and are connected with the threaded holes through bolts 4, an air inlet pipe 6 is arranged in the middle of the upper surface of the hole plate 3, the whole area of the hole plate 3 is larger than the area of the through holes formed in the cover plate 1, and the hole plate 3 is;
the air injection ring 8 is horizontally and uniformly arranged at the lower part of the pore plate 3, the air injection ring 8 is a circular ring with a fracture 12 on one side, the section of the air injection ring 8 is of a hollow rectangular pipe structure, the lower end of an inner hole of the air injection ring 8 is provided with a chamfer angle, air injection holes 13 are uniformly arranged on the chamfer angle surface, a branch pipe 9 is arranged on one side of the excircle of the air injection ring 8, the branch pipe 9 is communicated with an air inlet pipe 6 in the middle of the pore plate 3, a vertical suspender 11 is arranged on the air injection ring 8, the upper end of the suspender 11 is connected with the periphery of an electrode through hole below the pore plate 3, and heat-insulating heat-resistant cotton is filled between the outer side of; the central line of the air injection ring 8 corresponds to the center of the electrode through hole 5 on the pore plate 3, and the lower end surface of the air injection ring 8 is flush with the lower end surface of the bottom frame 7.
When the novel special modular smoke hood for the fused synthetic corundum smelting furnace is used, firstly, the special modular smoke hood is placed at the upper part of the fused synthetic corundum smelting furnace, then, a discharge port of feeding equipment corresponds to a feeding hole 2 at the upper part of a cover plate 1, raw materials are filled into the fused synthetic corundum smelting furnace, then, three electrode rods 10 extend downwards from an electrode through hole 5 of a pore plate at the upper part of the cover plate 1 to be contacted with the raw materials in the fused synthetic corundum smelting furnace, the air inlet pipe 6 on the cover plate 1 is communicated with the cooling gas pipe, then the electrode rods 10 are electrified, an electric arc is formed between the electrode rods 10, smelting the raw materials in the electrode rod, simultaneously leading cooling gas to enter the gas injection ring 8 through the gas inlet pipe 6, spraying the cooling gas to the outer surface of the electrode rod 10 from the gas injection holes 13 at the lower part of the inner side of the gas injection ring 8 and flowing downwards, the electrode rod 10 is cooled and placed for high-temperature oxidation, so that the normal operation of the smelting furnace for smelting and synthesizing corundum is realized.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a novel special modularization petticoat pipe of melting synthetic corundum smelting furnace, includes cover plate (1), chassis (7), orifice plate (3) and jet ring (8), characterized by: the cover plate (1) is horizontally arranged, the underframe (7) is longitudinally and horizontally arranged in the middle of the lower surface of the cover plate (1), the pore plate (3) is arranged in the middle of the upper surface of the cover plate (1), and the gas injection rings (8) are horizontally and uniformly arranged at the lower part of the pore plate (3); the cover plate (1) is a horizontal octagonal plate, the two sides of the upper surface of the cover plate (1) are provided with feed holes (2), the middle of the upper surface of the cover plate (1) is provided with an equilateral triangle installation through hole, the vertex angle of the installation through hole is chamfered, and threaded holes are uniformly formed around the installation through hole on the upper surface of the cover plate (1); the chassis (7) is of a rectangular frame structure made of channel steel, the right cross beam, the longitudinal beam and the oblique beam form the rectangular frame structure, the through hole of the chassis (7) with the size consistent with that of the corresponding through hole in the cover plate (1) is formed in the middle of the chassis (7), and heat-insulating heat-resistant cotton is filled among the cross beam, the longitudinal beam and the oblique beam of the chassis (7).
2. The novel special modular smoke hood for the fused synthetic corundum smelting furnace according to claim 1, is characterized in that: the utility model discloses a novel electrode structure, including orifice plate (3), orifice plate (3) be equilateral triangle plate structure, the three apex angle chamfer of orifice plate (3), the middle part of orifice plate (3) is provided with trisection's electrode through-hole (5), the edge evenly is provided with the through-hole above orifice plate (3), the through-hole corresponds with screw hole above cover plate (1) to be connected with the screw hole through bolt (4), be provided with intake pipe (6) in the middle of the higher authority of orifice plate (3), the whole area of orifice plate (3) is greater than the area of installing the through-hole on cover plate (1.
3. The novel special modular smoke hood for the fused synthetic corundum smelting furnace according to claim 1, is characterized in that: spout gas ring (8) and have the ring of fracture (12) for one side, the cross-section of spouting gas ring (8) is hollow rectangular pipe structure, the hole lower extreme of spouting gas ring (8) is provided with the chamfer angle, evenly be provided with fumarole (13) on the chamfer angle face, excircle one side of spouting gas ring (8) is provided with by-pass pipe (9), intake pipe (6) intercommunication in the middle of by-pass pipe (9) and orifice plate (3), the higher authority of spouting gas ring (8) is provided with vertically jib (11), be connected around electrode through-hole (5) below the upper end of jib (11) and orifice plate (3), it has thermal-insulated heat-resisting cotton to fill between the outside of spouting gas ring (8) and chassis (7) through-hole of chassis (7).
4. The novel special modular smoke hood for the fused synthetic corundum smelting furnace according to claim 1, is characterized in that: the longitudinal length of the underframe (7) is less than that of the cover plate (1), and the transverse width of the underframe (7) is less than the distance between the feed holes (2) on the cover plate (1).
5. The novel special modular smoke hood for the fused synthetic corundum smelting furnace according to claim 1, is characterized in that: the center line of the air injection ring (8) corresponds to the center of the electrode through hole (5) on the pore plate (3), and the lower end face of the air injection ring (8) is flush with the lower end face of the bottom frame (7).
6. The novel special modular smoke hood for the fused synthetic corundum smelting furnace according to claim 1, is characterized in that: the orifice plate (3) is made of stainless steel material with low magnetic permeability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020773087.7U CN212058353U (en) | 2020-05-12 | 2020-05-12 | Novel special modularization petticoat pipe of melting synthetic corundum smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020773087.7U CN212058353U (en) | 2020-05-12 | 2020-05-12 | Novel special modularization petticoat pipe of melting synthetic corundum smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212058353U true CN212058353U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020773087.7U Active CN212058353U (en) | 2020-05-12 | 2020-05-12 | Novel special modularization petticoat pipe of melting synthetic corundum smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212058353U (en) |
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2020
- 2020-05-12 CN CN202020773087.7U patent/CN212058353U/en active Active
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