CN209910395U - Fire door sealing structure of gas type smelting furnace - Google Patents
Fire door sealing structure of gas type smelting furnace Download PDFInfo
- Publication number
- CN209910395U CN209910395U CN201920583917.7U CN201920583917U CN209910395U CN 209910395 U CN209910395 U CN 209910395U CN 201920583917 U CN201920583917 U CN 201920583917U CN 209910395 U CN209910395 U CN 209910395U
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- CN
- China
- Prior art keywords
- shell
- furnace
- refractory brick
- lifting rod
- smelting furnace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003723 Smelting Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 239000011449 brick Substances 0.000 claims abstract description 33
- 239000011490 mineral wool Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011257 shell material Substances 0.000 description 23
- 229910000906 Bronze Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A gas type smelting furnace mouth sealing structure relates to the field of smelting furnace equipment, and comprises a furnace cover arranged above a smelting furnace mouth; the furnace cover comprises a cylindrical shell with a closed upper end and an open lower end, handles are arranged on two sides of the outer surface of the upper end of the shell, the lower end of the side wall of the shell extends inwards at a right angle to form an annular covered edge, and a sealing rubber strip is arranged on the lower surface of the covered edge; a cylindrical refractory brick with the diameter larger than the furnace opening is arranged in the center of the shell, and rock wool is filled in the gap between the refractory brick and the shell; the upper end face of the refractory brick is provided with a threaded hole, and the outer surface of the upper end of the shell is provided with a countersunk through hole corresponding to the threaded hole for penetrating a countersunk screw; the lower surfaces of the refractory bricks, the rock wool and the sealing rubber strips are flush; the sealing structure effectively ensures the sealing effect of the mouth of the smelting furnace and reduces the loss degree of the furnace cover.
Description
Technical Field
The utility model belongs to the technical field of the smelting furnace equipment and specifically relates to a gas formula smelting furnace fire door seal structure is related to.
Background
In the manufacturing process of the antique bronze ware, smelting and casting are very important links, and bronze alloy which is prepared in proportion is required to be put into a crucible for smelting, and then alloy solution is poured into a casting mold; in order to observe the molten state of the bronze alloy and scoop out the alloy solution conveniently, the traditional smelting method is to heat the crucible open, but the heat loss is easy to generate and the environment is polluted;
in the bronze ware manufacturing industry, a gas-fired smelting furnace is adopted to carry out closed smelting on bronze alloy, and the method is a relatively novel and clean method; rock wool and refractory bricks are generally paved in the furnace body and the furnace cover of the smelting furnace, and in order to prevent the rock wool and the refractory bricks in the furnace cover from falling off, an iron bar is welded at the opening of the furnace cover for blocking; although the melting point of iron is higher than copper, the setting of ironbar can lead to the smelting furnace fire door to be sealed not tight, and the temperature in the gas that runs off takes the stove to fire door department, not only can scald the people, more can put the loss of sharp bell.
Disclosure of Invention
In order to overcome the deficiency in the background art, the utility model discloses a gas formula smelting furnace fire door seal structure newly, the effectual sealed effect of guaranteeing the smelting furnace fire door has reduced the loss degree to the bell.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a sealing structure of a mouth of a gas-fired smelting furnace comprises a furnace cover arranged above the mouth of the smelting furnace; the furnace cover comprises a cylindrical shell with a closed upper end and an open lower end, handles are arranged on two sides of the outer surface of the upper end of the shell, the lower end of the side wall of the shell extends inwards at a right angle to form an annular covered edge, and a sealing rubber strip is arranged on the lower surface of the covered edge; a cylindrical refractory brick with the diameter larger than the furnace opening is arranged in the center of the shell, and rock wool is filled in the gap between the refractory brick and the shell; the upper end face of the refractory brick is provided with a threaded hole, and the outer surface of the upper end of the shell is provided with a countersunk through hole corresponding to the threaded hole for penetrating a countersunk screw; the lower surface of the refractory brick, the lower surface of the rock wool and the lower surface of the sealing rubber strip are flush.
Furthermore, two rows of threaded holes which are perpendicular to each other are formed in the upper end face of the refractory brick.
Further, a cylindrical bulge matched with the furnace opening extends downwards from the center of the lower surface of the refractory brick.
Furthermore, a first lifting rod and a second lifting rod which are arranged on the upper end surface of the smelting furnace are symmetrically arranged on the outer side of the shell, and horizontal supporting plates are arranged on the outer wall of the shell corresponding to the first lifting rod and the second lifting rod respectively; a shaft shoulder-shaped supporting block is arranged in the middle of the first lifting rod body, and the upper surface of the supporting block is abutted against the lower surface of the corresponding supporting plate; the rod end of the first lifting rod correspondingly penetrates through the supporting plate, and a gap is reserved between the rod end of the first lifting rod and the supporting plate; and the rod end of the second lifting rod is abutted against the lower surface of the corresponding support plate.
Further, the shell material is steel or iron.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a furnace mouth sealing structure of a gas type smelting furnace, wherein rock wool and refractory bricks are arranged in a furnace cover, so that the purpose of heat preservation and heat insulation is achieved, and a shell is prevented from being burnt out and scalding workers are prevented; in order to not influence the sealing effect of the lower end of the furnace cover and prevent the rock wool and the refractory bricks from falling off, the refractory bricks are firmly fixed with the shell through countersunk screws, and the edge covering can also play a role in fixing the rock wool; utilize joint strip and rock wool and smelting furnace up end contact, under the effect of bell self gravity, guarantee the double seal effect of smelting furnace fire door, reduced the loss degree of interior high temperature of stove to the bell.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of another structure of the present invention.
In the figure: 1. countersunk head screws; 2. a handle; 3. a housing; 4. rock wool; 5. edge covering; 6. sealing rubber strips; 7. a furnace mouth; 8. a refractory brick; 9. a support plate; 10. a support block; 11. a first lifting rod; 12. a second lifting rod.
Detailed Description
The invention can be explained in detail by the following embodiments, which are intended to protect all technical improvements within the scope of the invention, and are not limited to the following embodiments:
the sealing structure of the fire hole of the gas-fired smelting furnace described in conjunction with the attached drawings 1-2 comprises a furnace cover arranged above the fire hole 7 of the smelting furnace, and because a crucible is taken and placed from the fire hole 7 and bronze alloy solution is scooped out, the fire hole is larger and the corresponding furnace cover is heavier; the furnace cover comprises a cylindrical shell 3 with a closed upper end and an open lower end, and the shell 3 is made of steel or iron as required to ensure certain strength; handles 2 are arranged on two sides of the outer surface of the upper end of the shell 3, so that a furnace cover can be conveniently held or lifted by hands to open the furnace cover; the lower end of the side wall of the shell 3 extends inwards at a right angle to form an annular edge covering 5, the edge covering 5 and the shell 3 are of an integral structure according to needs, the edge covering 5 is used for preventing the rock wool 4 from falling off, meanwhile, a sealing rubber strip 6 is conveniently arranged on the lower surface of the edge covering 5, the sealing rubber strip 6 is ensured to be arranged in a longer width along the edge covering, and a better sealing effect is achieved; a cylindrical refractory brick 8 with the diameter larger than the furnace opening 7 is arranged in the center of the shell 3, rock wool 4 is filled in the gap between the refractory brick 8 and the shell 3, and the sealing rubber strip 6 and the rock wool 4 are contacted with the upper end surface of the smelting furnace, so that the double sealing effect of the furnace opening 7 of the smelting furnace is ensured under the action of the self gravity of the furnace cover, and the loss degree of high temperature in the furnace to the furnace cover is reduced;
the upper end face of the refractory brick 8 is provided with a threaded hole, the outer surface of the upper end of the shell 3 is provided with a countersunk through hole corresponding to the threaded hole for penetrating the countersunk screw 1, and the countersunk screw 1 is used for firmly fixing the refractory brick 8 and the shell 3 in order not to influence the sealing effect of the lower end of the furnace cover and prevent the rock wool 4 and the refractory brick 8 from falling off; after the furnace cover is covered, the lower surfaces of the refractory bricks 8, the rock wool 4 and the sealing rubber strips 6 are leveled, and tight sealing is ensured; two rows of threaded holes which are vertical to each other are formed in the upper end face of the refractory brick 8 according to requirements, and the refractory brick 8 is heavy, so that the refractory brick 8 and the shell 3 are required to be firmly connected, and the service life is prolonged;
according to the requirement, the center of the lower surface of the refractory brick 8 extends downwards to form a cylindrical bulge matched with the furnace opening 7, the thickness of the refractory brick 8 is increased, a better heat insulation effect is achieved, and meanwhile, the cylindrical bulge is matched with the furnace opening 7, and the effect of preventing metal on the outer edge of the furnace opening 7 from being overheated is achieved; in addition, a first lifting rod 11 and a second lifting rod 12 which are arranged on the upper end surface of the smelting furnace are symmetrically arranged on the outer side of the shell 3, and horizontal supporting plates 9 are respectively arranged on the outer wall of the shell 3 corresponding to the first lifting rod 11 and the second lifting rod 12; a shaft shoulder-shaped supporting block 10 is arranged in the middle of the rod body of the first lifting rod 11, the rod end of the first lifting rod 11 penetrates through the corresponding supporting plate 9, a gap is reserved between the first lifting rod 11 and the through hole corresponding to the supporting plate 9, and the upper surface of the supporting block 10 is abutted against the lower surface of the corresponding supporting plate 9; the rod end of the second lifting rod 12 is abutted against the lower surface of the corresponding supporting plate 9; after the furnace cover is lifted to a proper height by the first lifting rod 11 and the second lifting rod 12, the whole furnace cover can be rotated to the side edge of the furnace opening by taking the central axis of the first lifting rod 11 as a rotation center, so that time and labor are saved.
The part of the utility model not detailed is prior art.
Claims (5)
1. The utility model provides a gas formula smelting furnace fire door seal structure which characterized in that: comprises a furnace cover arranged above a furnace opening (7) of a smelting furnace; the furnace cover comprises a cylindrical shell (3) with a closed upper end and an open lower end, handles (2) are arranged on two sides of the outer surface of the upper end of the shell (3), the lower end of the side wall of the shell (3) extends inwards at a right angle to form an annular covered edge (5), and a sealing rubber strip (6) is arranged on the lower surface of the covered edge (5); a cylindrical refractory brick (8) with the diameter larger than the furnace opening (7) is arranged in the center of the shell (3) at a gap, and rock wool (4) is filled in the gap between the refractory brick (8) and the shell (3); the upper end surface of the refractory brick (8) is provided with a threaded hole, and the outer surface of the upper end of the shell (3) is provided with a countersunk through hole corresponding to the threaded hole for penetrating through the countersunk screw (1); the lower surfaces of the refractory bricks (8), the rock wool (4) and the sealing rubber strips (6) are leveled.
2. The sealing structure of the mouth of a gas-fired melting furnace according to claim 1, characterized in that: two rows of threaded holes which are vertical to each other are arranged on the upper end surface of the refractory brick (8).
3. The sealing structure of the mouth of a gas-fired melting furnace according to claim 1, characterized in that: the center of the lower surface of the refractory brick (8) extends downwards to form a cylindrical bulge matched with the furnace opening (7).
4. The sealing structure of the mouth of a gas-fired melting furnace according to claim 1, characterized in that: a first lifting rod (11) and a second lifting rod (12) which are arranged on the upper end surface of the smelting furnace are symmetrically arranged on the outer side of the shell (3), and horizontal supporting plates (9) are arranged on the outer wall of the shell (3) corresponding to the first lifting rod (11) and the second lifting rod (12) respectively; a shaft shoulder-shaped supporting block (10) is arranged in the middle of the rod body of the first lifting rod (11), and the upper surface of the supporting block (10) is abutted against the lower surface of the corresponding supporting plate (9); the rod end of the first lifting rod (11) correspondingly penetrates through the support plate (9), and a gap is reserved between the rod end and the support plate (9); the rod end of the second lifting rod (12) is abutted against the lower surface of the corresponding support plate (9).
5. The sealing structure of the mouth of a gas-fired melting furnace according to claim 1, characterized in that: the shell (3) is made of steel or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583917.7U CN209910395U (en) | 2019-04-26 | 2019-04-26 | Fire door sealing structure of gas type smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583917.7U CN209910395U (en) | 2019-04-26 | 2019-04-26 | Fire door sealing structure of gas type smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209910395U true CN209910395U (en) | 2020-01-07 |
Family
ID=69045620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583917.7U Expired - Fee Related CN209910395U (en) | 2019-04-26 | 2019-04-26 | Fire door sealing structure of gas type smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209910395U (en) |
-
2019
- 2019-04-26 CN CN201920583917.7U patent/CN209910395U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 |