CN108145833B - Common casting orifice ring die for zirconia fused cast bricks and orifice ring production method - Google Patents
Common casting orifice ring die for zirconia fused cast bricks and orifice ring production method Download PDFInfo
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- CN108145833B CN108145833B CN201810014563.4A CN201810014563A CN108145833B CN 108145833 B CN108145833 B CN 108145833B CN 201810014563 A CN201810014563 A CN 201810014563A CN 108145833 B CN108145833 B CN 108145833B
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- orifice ring
- outer frame
- hole
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- 238000005266 casting Methods 0.000 title claims abstract description 83
- 239000011449 brick Substances 0.000 title claims abstract description 46
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000005192 partition Methods 0.000 claims description 64
- 239000004576 sand Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 235000019353 potassium silicate Nutrition 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000004348 Glyceryl diacetate Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 235000019443 glyceryl diacetate Nutrition 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a common casting orifice ring die of a zirconia fused cast brick and a production method of the orifice ring, the common casting orifice ring die comprises an outer frame and an inner core arranged in the inner center of the outer frame, an annular bottom plate protruding outwards is arranged on the outer wall of the lower part of the inner core, a first baffle plate and a second baffle plate which are arranged in a staggered manner are sequentially sleeved on the inner core above the annular bottom plate from bottom to top, the first baffle plate and the second baffle plate are of annular columnar structures, the inner diameters of the first baffle plate and the second baffle plate are equal to the outer diameter of the inner core, the outer diameter of the annular bottom plate is D7, the outer diameter of the second baffle plate is D6, the inner diameter of the outer frame is D8, the outer diameter of the first baffle plate is D5, d7=d6=d8 > D5.
Description
Technical Field
The invention relates to the technical field of fused brick production, in particular to a common casting orifice ring die for zirconia fused bricks and a orifice ring production method.
Background
In a glass kiln, the main masonry material is zirconia corundum fused cast bricks, most fused cast bricks in the glass kiln, which are in contact with glass liquid, are cast without shrinkage cavities, most fused cast bricks are cast in common flame space, and the non-shrinkage cavity bricks are required to be compact, have a volume weight of more than 3.75 and resist high-temperature corrosion of the glass liquid and mechanical scouring of the glass liquid; the common casting is mainly high temperature corrosion resistant, compact is not required, and the volume weight is about 3.45. Because of no shrinkage cavity and compact requirement, the feeder head is large in configuration, the solution in the feeder head can feed the brick body, and the feeder head is required to be cut off before processing. The common casting has no compact requirement, so the configuration riser is small, and the riser only needs to be knocked off. The common casting riser is generally in a circular funnel shape with a large upper part and a small lower part, and the specification is about 200mm to 300mm in upper diameter. The lower diameter is between about 100mm and 200 mm. When the riser is knocked off after brick discharging, the riser cannot be in a smooth perfect state, either concave or convex, the brick surface is uneven when concave, the processing efficiency is affected when convex, and a convex part can be eliminated only by half an hour of processing time. The riser is required to be cut off, and the common casting riser is a tedious labor for lifting and stabilizing bricks during cutting due to smaller riser. Therefore, improvements and innovations are necessary.
Disclosure of Invention
Aiming at the situation, the invention aims to overcome the defects of the prior art, and aims to provide a common casting orifice ring die for zirconia fused cast bricks and a production method of the orifice ring, which can effectively solve the problem of quick and automatic separation of riser heads of the common casting fused cast bricks.
The technical scheme includes that the common casting orifice ring die for zirconia fused cast bricks comprises an outer frame and an inner core arranged in the inner center of the outer frame, an annular bottom plate protruding outwards is arranged on the outer wall of the lower portion of the inner core, a first partition plate and a second partition plate which are arranged in a staggered mode are sequentially sleeved on the inner core above the annular bottom plate from bottom to top, the first partition plate and the second partition plate are of annular columnar structures, the inner diameter of the first partition plate and the inner diameter of the second partition plate are equal to the outer diameter of the inner core, the outer diameter of the annular bottom plate is D7, the outer diameter of the second partition plate is D6, the inner diameter of the outer frame is D8, d7=d6=d8 > D5, the outer wall of the first partition plate, the inner wall of the outer frame and the right opposite faces of two adjacent second partition plates jointly enclose a forming space for orifice ring, and casting ports which are vertically communicated are arranged on the second partition plate between the two adjacent forming spaces.
The upper surface of the second baffle at the topmost end is lower than the upper end face of the outer frame, and the cavity in the height difference range forms a buffer space of casting solution.
The height of the first partition board is 8-10mm.
The wall thickness of the first partition board is 5mm.
The pouring gate is characterized in that the gate-like ring is located between the brick body sand mould and the riser sand mould, a round through hole which is communicated up and down is formed in the center of the gate-like ring, a feeding hole which is communicated up and down and is in a shape of a big-end-up round table is formed in the center of the riser sand mould, the round through hole is located right above the pouring gate, the feeding hole is located right above the round through hole, the pouring gate, the round through hole and the feeding hole are coaxial, the diameter of the lower port part of the feeding hole is D2, the diameter of the round through hole is D3, the diameter of the pouring gate is D4, D3-D2=10mm, and D2=D4.
A method for producing an orifice ring by adopting the orifice ring die, comprising the following steps:
A. die for mounting impounding ring
The die for the orifice ring comprises an outer frame and an inner core arranged at the inner center of the outer frame, wherein an annular bottom plate protruding outwards is arranged on the outer wall of the lower part of the inner core, a first partition plate and a second partition plate which are arranged in a staggered manner are sequentially sleeved on the inner core above the annular bottom plate from bottom to top, the first partition plate and the second partition plate are of annular columnar structures, the inner diameters of the first partition plate and the second partition plate are equal to the outer diameter of the inner core, the outer diameter of the annular bottom plate is D7, the outer diameter of the second partition plate is D6, the inner diameter of the outer frame is D8, the outer diameter of the first partition plate is D5, d7=d6=d8 > D5, the forming space of the orifice ring is jointly formed by the outer wall of the first partition plate, the inner wall of the outer frame and the right opposite surfaces of the two adjacent second partition plates, and the casting ports which are vertically communicated are arranged on the second partition plates between the two adjacent forming spaces;
the upper surface of the topmost second baffle is lower than the upper end surface of the outer frame, and the cavity in the height difference range forms a buffer space of casting solution;
B. preparing casting liquid
The casting solution is prepared from 500g of silicon micropowder, 500g of fused brick grinding powder, 150g of water glass, 10g of diacetin and 250g of water, wherein the water glass is diluted by adding water in a stirring barrel, then the fused brick grinding powder is added, finally the silicon micropowder is added, and the stirring is carried out for about 8 to 12 minutes to obtain uniform casting solution;
C. casting
Introducing casting liquid into the buffer space of the orifice ring mould at a constant speed, and enabling the casting liquid to sequentially enter the forming space of each orifice ring through a casting orifice, wherein the orifice ring mould is carried out under the condition of vibration during casting, so that the slurry is ensured to be full;
D. curing
And 2 hours after casting, placing the mouth-opening ring mould in a tunnel drying kiln for drying, wherein the drying temperature is 220 ℃, the drying time is 8 to 16 hours, taking out after drying, taking down the first partition plate and the second partition plate in sequence at normal temperature, removing the mould, taking out the mouth-opening rings one by one, the compression strength of the mouth-opening rings reaches 3.6 megapascals, the refractoriness can reach 1710 ℃, and the use requirement can be met.
The invention has novel and unique structure, is simple and reasonable, is easy to produce and operate, has low cost, forms a plurality of mouth-like rings at one time, can put 280 sets of moulds in a tunnel kiln, can manufacture ten thousands of mouth-like rings in one week, satisfies the casting dosage of an electric arc furnace for one year, and can be derived from waste materials when used sand is recovered, the electric smelting brick grinding powder can adopt electric smelting brick to finish the waste grinding powder, the cost of the mouth-like rings is basically only labor cost and electric charge cost, and the material cost is mostly waste materials, thereby not only solving the environmental pollution, but also effectively achieving the aim of changing waste into valuables; the use of the riser ring makes the connection part between the riser and the brick body after casting produce a groove with the depth of 5mm, forms cracks under the action of thermal expansion and cold contraction, lightly punches the riser after brick discharge, the riser can fall off neatly, the brick surface is smooth, the common riser is free from cutting, the riser surface is smooth and smooth, the riser cutting procedure is avoided, a great amount of time, labor and power consumption are saved, the appearance quality of the common casting riser surface is improved, the use is convenient, the effect is good, and good social and economic benefits are achieved.
Drawings
FIG. 1 is a cross-sectional view of an orifice ring die of the present invention.
Fig. 2 is a top view of the inventive orifice ring die.
Fig. 3 is a front view of the core of the inventive orifice ring die.
Fig. 4 is a top view of the core of the orifice ring die of the present invention.
Fig. 5 is a front view of a second baffle of the orifice ring die of the present invention.
Fig. 6 is a top view of a second baffle of the orifice ring die of the present invention.
Fig. 7 is a front view of a first baffle of the orifice ring die of the present invention.
Fig. 8 is a top view of a first baffle of the orifice ring die of the present invention.
Fig. 9 is a front view of the frame of the orifice ring die of the present invention.
Fig. 10 is a top view of the frame of the orifice ring die of the present invention.
Fig. 11 is a cross-sectional view showing a state in which the orifice ring of the present invention is used.
Fig. 12 is a top view showing the use state of the orifice ring of the present invention.
FIG. 13 is a cross-sectional view of a riser sand mold of the present invention.
Fig. 14 is a top view of the inventive orifice ring.
Fig. 15 is a front view of the orifice ring of the present invention.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the drawings.
The invention discloses a common casting orifice ring die for zirconia fused cast bricks, which is shown in figures 1-15, and comprises an outer frame 5 and an inner core 4 arranged at the inner center of the outer frame, wherein an annular bottom plate 6 protruding outwards is arranged on the outer wall of the lower part of the inner core 4, a first baffle plate 7 and a second baffle plate 8 which are arranged in a staggered manner are sequentially sleeved on the inner core 4 above the annular bottom plate 6 from bottom to top, the first baffle plate 7 and the second baffle plate 8 are of annular columnar structures, the inner diameters of the first baffle plate 7 and the second baffle plate 8 are equal to the outer diameter of the inner core 6, the outer diameter of the annular bottom plate 6 is D7, the outer diameter of the second baffle plate 8 is D6, the inner diameter of the outer frame 5 is D8, the outer diameter of the first baffle plate 7 is D5, the outer wall of the first baffle plate 7, the inner wall of the outer frame 5 and the right opposite surfaces of the adjacent two second baffle plates 8 are jointly enclosed into a forming space 9 of the orifice ring 3, and casting orifices 8a which are penetrated up and down are arranged on the second baffle plate 8 between the adjacent two forming spaces.
In order to ensure the use effect, the upper surface of the second baffle plate 8 at the top end is lower than the upper end surface of the outer frame, and the cavity in the height difference range forms a buffer space 10 of casting solution.
The number of the casting ports 8a is 8 as shown in fig. 6, and the number of the casting ports is a plurality of the second partition plates 8.
The height of the first partition 7 is 8-10mm.
The wall thickness of the first separator 7 was 5mm.
The riser casting device is characterized in that the riser casting ring 3 is arranged between the brick body sand mould 1 and the riser sand mould 2, a circular through hole 3a which is vertically communicated is arranged in the center of the riser sand mould 2, a feeding hole 2a which is vertically communicated and is in a shape of a big-end-up round table is arranged in the center of the riser sand mould 2, the circular through hole 3a is positioned right above the casting hole 1a, the feeding hole 2a is positioned right above the circular through hole 3a, the casting hole 1a, the circular through hole 3a and the feeding hole 2a are coaxial, the diameter of the lower port part of the feeding hole 2a is D2, the diameter of the circular through hole 3a is D3, the diameter of the casting hole 1a is D4, D3-D2=10mm, and D2=D4.
A method for producing an orifice ring by adopting the orifice ring die, comprising the following steps:
A. die for mounting impounding ring
The die for the orifice ring comprises an outer frame 5 and an inner core 4 arranged at the inner center of the outer frame, an annular bottom plate 6 protruding outwards is arranged on the outer wall of the lower part of the inner core 4, a first partition plate 7 and a second partition plate 8 which are arranged in a staggered manner are sleeved on the inner core 4 above the annular bottom plate 6 from bottom to top in sequence, the first partition plate 7 and the second partition plate 8 are of annular columnar structures, the inner diameters of the first partition plate 7 and the second partition plate 8 are equal to the outer diameter of the inner core 6, the outer diameter of the annular bottom plate 6 is D7, the outer diameter of the second partition plate 8 is D6, the inner diameter of the outer frame 5 is D8, d7=d6=d8 > D5, the outer wall of the first partition plate 7, the inner wall of the outer frame 5 and the right opposite sides of the adjacent two second partition plates 8 jointly enclose a forming space 9 of the orifice ring 3, and a casting port 8a which is communicated from top to bottom is arranged on the second partition plate 8 between the adjacent forming spaces;
the upper surface of the topmost second baffle plate 8 is lower than the upper end surface of the outer frame, and a cavity in the height difference range forms a buffer space 10 of casting solution;
B. preparing casting liquid
The casting solution is prepared from 500g of silicon micropowder, 500g of fused brick grinding powder, 150g of water glass, 10g of diacetin and 250g of water, wherein the water glass is diluted by adding water in a stirring barrel, then the fused brick grinding powder is added, finally the silicon micropowder is added, and the stirring is carried out for about 8 to 12 minutes to obtain uniform casting solution;
C. casting
Introducing casting liquid into the buffer space of the orifice ring mould at a constant speed, and enabling the casting liquid to sequentially enter the forming space of each orifice ring through a casting orifice, wherein the orifice ring mould is carried out under the condition of vibration during casting, so that the slurry is ensured to be full;
D. curing
And 2 hours after casting, placing the mouth-opening ring mould in a tunnel drying kiln for drying, wherein the drying temperature is 220 ℃, the drying time is 8 to 16 hours, taking out after drying, taking down the first partition plate and the second partition plate in sequence at normal temperature, removing the mould, taking out the mouth-opening rings one by one, the compression strength of the mouth-opening rings reaches 3.6 megapascals, the refractoriness can reach 1710 ℃, and the use requirement can be met.
The modulus of the water glass in the step B is 2.6.
And B, the fused brick grinding powder can adopt the fused brick finish processing waste grinding powder.
The height of the orifice ring 3 is 8-10mm, and the wall thickness is 35mm.
The wall thickness of the brick body sand mould 1 and the riser sand mould 2 is 40mm.
The diameter D2 of the lower port part of the feed inlet 2a is 150mm, and the diameter D3 of the circular through hole 3a is 160mm.
The diameter D1 of the upper port part of the feed port 2a is 250mm.
The height of the riser sand mould 2 is 250mm.
The inner cavity of the brick sand mold 1 is a cuboid with the length of 500-600mm, the width of 400mm and the height of 250mm.
The lower end face of the mouth-like ring 3 is tightly attached to the upper surface of the brick body sand mould 1, and the upper end face of the mouth-like ring 3 is tightly attached to the lower end face of the riser sand mould 2.
As can be clearly seen from the above situation, the mouth-piece die provided by the invention can be used for forming a plurality of mouth-pieces at one time, 280 sets of dies can be placed in a tunnel kiln, ten thousands of mouth-pieces can be manufactured in one week, the casting consumption of an electric arc furnace for one year is met, the silicon micro powder can be derived from waste materials in the process of recycling old sand, the electric smelting brick grinding powder can be prepared by adopting the electric smelting brick to finish the waste grinding powder, the cost of the mouth-piece is basically only the labor cost and the electricity cost, and the material cost is mostly waste materials, so that the environmental pollution is solved, and the aim of changing waste into valuables is effectively achieved; when the riser is used, the riser is placed right above a brick body sand mold casting opening, a riser sand mold is placed on the riser, the casting opening, a circular through hole and a feeding hole are coaxial, then normal casting is carried out, a groove with the depth of 5mm is formed in the connecting part of the riser and a brick body after casting is completed, cracks are formed under the action of expansion with heat and contraction with cold, the riser is lightly rammed after brick discharging, the riser can fall off in order, the brick surface is smooth, the common riser is free from cutting, the riser surface is smooth and even, a riser cutting procedure is avoided, a large amount of time, labor and power consumption are saved, the appearance quality of the common casting riser surface is improved, the use is convenient, and good social and economic benefits are achieved.
Claims (5)
1. The common casting orifice ring die for the zirconia fused cast bricks is characterized by comprising an outer frame (5) and an inner core (4) arranged at the inner center of the outer frame, wherein an annular bottom plate (6) protruding outwards is arranged on the outer wall of the lower part of the inner core (4), a first partition plate (7) and a second partition plate (8) which are arranged in a staggered manner are sequentially sleeved on the inner core (4) above the annular bottom plate (6) from bottom to top, the first partition plate (7) and the second partition plate (8) are of annular columnar structures, the inner diameters of the first partition plate and the second partition plate are equal to the outer diameter of the inner core (4), the outer diameter of the annular bottom plate (6) is D7, the outer diameter of the second partition plate (8) is D6, the inner diameter of the outer frame (5) is D5, d7=d6=d8 > D5, the outer wall of the first partition plate (7), the inner wall of the outer frame (5) and the right opposite surfaces of the adjacent two second partition plates (8) are jointly formed into an annular columnar structure, and a casting orifice ring (3) is formed between the adjacent two upper and lower partition plates (8) are formed into a casting orifice (8);
the upper surface of the topmost second baffle plate (8) is lower than the upper end surface of the outer frame, and a cavity in the height difference range forms a buffer space (10) of casting liquid;
the riser casting device is characterized in that the riser casting ring (3) is arranged between the brick body sand mould (1) and the riser casting mould (2), a circular through hole (3 a) which is vertically communicated is formed in the center of the riser casting mould (2), a feeding hole (2 a) which is vertically communicated and is in a shape of a big-end-up truncated cone is formed in the center of the riser casting mould (2), the circular through hole (3 a) is arranged right above the casting hole (1 a), the feeding hole (2 a) is arranged right above the circular through hole (3 a), the casting hole (1 a), the circular through hole (3 a) and the feeding hole (2 a) are coaxial, the diameter of a lower port part of the feeding hole (2 a) is D2, the diameter of the circular through hole (3 a) is D3, the diameter of the casting hole (1 a) is D4, D3-D2 = 10mm, and D2 = D4.
2. The common casting rail die for zirconia fused cast bricks according to claim 1, wherein the casting nozzle (8 a) has a plurality of casting nozzles uniformly distributed on the second partition plate (8).
3. The zirconia fused cast iron brick ordinary casting impoundment ring mold according to claim 1, wherein the height of the first partition plate (7) is 8-10mm.
4. The zirconia fused cast iron brick ordinary casting impoundment ring mold according to claim 1, wherein the wall thickness of the first partition plate (7) is 5mm.
5. A method of producing an orifice ring using the orifice ring die of claim 1, comprising the steps of:
A. die for mounting impounding ring
The die for the mouth-like ring comprises an outer frame (5) and an inner core (4) arranged at the inner center of the outer frame, an annular bottom plate (6) protruding outwards is arranged on the outer wall of the lower part of the inner core (4), a first partition plate (7) and a second partition plate (8) which are arranged in a staggered manner are sequentially sleeved on the inner core (4) above the annular bottom plate (6) from bottom to top, the first partition plate (7) and the second partition plate (8) are of annular columnar structures, the inner diameters of the first partition plate and the second partition plate are equal to the outer diameter of the inner core (4), the outer diameter of the annular bottom plate (6) is D7, the outer diameter of the second partition plate (8) is D6, the inner diameter of the outer frame (5) is D8, d7=d6=d8 is larger than D5, the outer wall of the first partition plate (7), the inner wall of the outer frame (5) and the front and back surfaces of the two adjacent second partition plates (8) are jointly surrounded into a forming space (9) of the mouth-like ring (3), and a casting mouth (8 a) is arranged on the second partition plate (8) between the two adjacent forming spaces in a penetrating mode;
the upper surface of the topmost second baffle plate (8) is lower than the upper end surface of the outer frame, and a cavity in the height difference range forms a buffer space (10) of casting liquid;
B. preparing casting liquid
The casting solution is prepared from 500g of silicon micropowder, 500g of fused brick grinding powder, 150g of water glass, 10g of diacetin and 250g of water, wherein the water glass is diluted by adding water in a stirring barrel, then the fused brick grinding powder is added, finally the silicon micropowder is added, and the stirring is carried out for 8 to 12 minutes to obtain uniform casting solution;
C. casting
Introducing casting liquid into the buffer space of the orifice ring mould at a constant speed, and enabling the casting liquid to sequentially enter the forming space of each orifice ring through a casting orifice, wherein the orifice ring mould is carried out under the condition of vibration during casting, so that the slurry is ensured to be full;
D. curing
And 2 hours after casting, placing the mouth-opening ring mould in a tunnel drying kiln for drying, wherein the drying temperature is 220 ℃, the drying time is 8 to 16 hours, taking out after drying, taking down the first partition plate and the second partition plate in sequence at normal temperature, removing the mould, taking out the mouth-opening rings one by one, the compression strength of the mouth-opening rings reaches 3.6 megapascals, the refractoriness can reach 1710 ℃, and the use requirement can be met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014563.4A CN108145833B (en) | 2018-01-08 | 2018-01-08 | Common casting orifice ring die for zirconia fused cast bricks and orifice ring production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014563.4A CN108145833B (en) | 2018-01-08 | 2018-01-08 | Common casting orifice ring die for zirconia fused cast bricks and orifice ring production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108145833A CN108145833A (en) | 2018-06-12 |
| CN108145833B true CN108145833B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810014563.4A Active CN108145833B (en) | 2018-01-08 | 2018-01-08 | Common casting orifice ring die for zirconia fused cast bricks and orifice ring production method |
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| CN (1) | CN108145833B (en) |
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| AU8217782A (en) * | 1981-04-02 | 1982-10-07 | Air Preheater Co. Inc., The | Cast recuperator tube |
| JP2002224797A (en) * | 2001-02-01 | 2002-08-13 | Sumitomo Metal Ind Ltd | Underfeed ingot-making equipment for molten metal |
| WO2013181876A1 (en) * | 2012-06-06 | 2013-12-12 | 都江堰瑞泰科技有限公司 | Combined mold for manufacturing fusion-cast refractory |
| CN106625994A (en) * | 2016-12-01 | 2017-05-10 | 郑州远东耐火材料有限公司 | Common casting zirconium corundum fused brick foamed brick casting equipment and casting method |
Family Cites Families (5)
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| SU1749044A1 (en) * | 1989-04-27 | 1992-07-23 | Кропоткинский Филиал Специализированного Конструкторско-Технологического Бюро "Стройдеталь" | Apparatus for moulding concrete mix products |
| CN203680635U (en) * | 2013-12-24 | 2014-07-02 | 宁波市镇海减变速机制造有限公司 | Friction disk pressing die |
| CN204748893U (en) * | 2015-06-30 | 2015-11-11 | 郑州远东耐火材料有限公司 | Whole mould of anistree section of thick bamboo check brick |
| CN204772921U (en) * | 2015-07-11 | 2015-11-18 | 郑州远东耐火材料有限公司 | Rising head mould for fused cast zirconia -alumina brick |
| CN207772045U (en) * | 2018-01-08 | 2018-08-28 | 郑州远东耐火材料有限公司 | A kind of common casting pressing port ring mould of zirconia-corundum refractory brick |
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| AU8217782A (en) * | 1981-04-02 | 1982-10-07 | Air Preheater Co. Inc., The | Cast recuperator tube |
| JP2002224797A (en) * | 2001-02-01 | 2002-08-13 | Sumitomo Metal Ind Ltd | Underfeed ingot-making equipment for molten metal |
| WO2013181876A1 (en) * | 2012-06-06 | 2013-12-12 | 都江堰瑞泰科技有限公司 | Combined mold for manufacturing fusion-cast refractory |
| CN106625994A (en) * | 2016-12-01 | 2017-05-10 | 郑州远东耐火材料有限公司 | Common casting zirconium corundum fused brick foamed brick casting equipment and casting method |
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Denomination of invention: Mold and production method for common casting riser ring of zirconia corundum fused brick Granted publication date: 20230721 Pledgee: China Postal Savings Bank Co.,Ltd. Xinmi City Branch Pledgor: ZHENGZHOU YUAN DONG REFRACTORIES Co.,Ltd. Registration number: Y2024980021575 |