CN110861192A - Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle - Google Patents
Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle Download PDFInfo
- Publication number
- CN110861192A CN110861192A CN201911263234.4A CN201911263234A CN110861192A CN 110861192 A CN110861192 A CN 110861192A CN 201911263234 A CN201911263234 A CN 201911263234A CN 110861192 A CN110861192 A CN 110861192A
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- CN
- China
- Prior art keywords
- air
- permeable
- brick
- rod
- fixing clamp
- Prior art date
- 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.)
- Withdrawn
Links
- 239000011449 brick Substances 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 11
- 239000011265 semifinished product Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000004836 Glue Stick Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/54—Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
- B22D41/023—Apparatus used for making or repairing linings
-
- 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
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
-
- 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
- B28B11/245—Curing concrete articles
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a production method of a backflow-preventing and blockage-preventing prefabricated air brick for a steel ladle, which is characterized in that the existing air brick material is placed into a forming die, plastic rubber bars are arranged in a fire-resistant air-permeable bar, and the plastic rubber bars are circumferentially arrayed in the interior of the fire-resistant air-permeable bar; filling the air brick material in the forming die with a vibrating screen, and standing for curing; placing the forming die with the breathable material in a drying workshop for drying treatment; after the plastic rubber bar is melted, air holes are formed in the air permeable bar, the fixing clamp is removed, after the plastic rubber bar and the fixing clamp are assembled together, a ventilation state with the interior of a semi-finished product is formed through the insertion of the connecting rod, and the manufacturing of the whole anti-backflow anti-blocking prefabricated air permeable brick for the steel ladle has the advantages that: the air-permeable rod prefabricated in advance replaces a flow-transmitting slit structure, and because the air-permeable rod prefabricated in advance is sintered at high temperature, obvious volume change cannot occur along with the rise of temperature in the using process, so that cracks are not easy to generate.
Description
Technical Field
The invention relates to the field of industrial magnesium industry, in particular to a ladle liquid mixing device.
Background
The permeable brick is a key part of steel-smelting ladle, and is a very important process for smelting steel, and at the same time it must continuously bear the impact of high-temp. molten steel and high-speed gas, and bear the impact of steel bearing and thermal shock during operation, and its working environment is more harsh than that of other refractory materials, so that it can continuously improve and improve the improvement and non-production work.
At present, the ladle air brick used in domestic steel works is mainly a casting forming product, a product of a general slit channel is reserved in the brick body, the product is in the using process, the temperature is greatly different when steel bearing and idle running are carried out, so the volume stability of the product is not ideal, when the volume is shrunk, the product is easy to generate vertical crack phenomenon at the edge of the slit, meanwhile, the slit is enlarged, molten steel is easy to flow back to the interior of the brick body along the slit, thereby causing blocking phenomenon, even more, steel leakage accidents occur, and therefore, a reasonable mode is found to keep enough ventilation and prevent the backflow of the molten steel.
Disclosure of Invention
In order to solve the problems, the invention discloses a production method of a backflow-preventing and anti-blocking air brick for a prefabricated ladle.
The specific technical scheme is as follows:
a production method of a backflow-preventing and blockage-preventing prefabricated air brick for a steel ladle comprises the following steps:
the first step is as follows: the fire-resistant type air-permeable rod is prefabricated,
(1) putting the existing air brick material into a forming die, wherein plastic glue rods are arranged in the fire-resistant air-permeable rods, and the plastic glue rods are circumferentially arrayed in the interior of the fire-resistant air-permeable rods;
(2) filling the air brick material in the forming die with a vibrating screen, and standing for curing;
(3) placing the forming die with the breathable material in a drying workshop for drying treatment; forming air holes in the air permeable rod after the plastic rubber rod is melted;
the second step is that: the brick body of the air brick is manufactured,
(1) placing the dried refractory air-permeable rod in a fixing clamp, and sealing the air holes at the upper end and the lower end of the refractory air-permeable rod by the fixing clamp;
(2) placing air brick material in the gap between the fixing clamp and the air bar, and standing for curing;
(3) placing the fixing clamp with the air brick material in a drying workshop for drying treatment;
(4) and removing the fixing clamp to obtain a semi-finished product in the fixing clamp, assembling the semi-finished product, the steel sheet and the air chamber together, and then inserting the connecting rod to form a ventilation state with the interior of the semi-finished product so as to complete the manufacture of the whole anti-backflow anti-blocking prefabricated air brick for the steel ladle.
The invention further provides a gas permeable brick body manufactured by the method, which comprises a steel sheet, a gas chamber, a connecting seat, a connecting rod and a gas permeable rod; the concrete structure is as follows: the steel sheet is connected as an organic whole with the air chamber, and the connecting rod is formed air inlet with air chamber intercommunication to the connecting seat, the inside ventilative stick that is equipped with of air chamber, the one end and the steel sheet butt of ventilative stick, the other end and the inside butt of air chamber.
The air chamber is hollow, and the end face of the air chamber is provided with a circular slotted hole which is of a net structure.
Furthermore, the invention provides a fixing clamp used for the processing method, wherein one end of the upper end and the lower end of the air-permeable rod is a covering plate, the covering plate is in a conical shape, a lifting lug is arranged at the top of the conical shape, and the lower end of the covering plate is provided with a circular positioning block with the same external dimension as the air-permeable rod; and a sealing disc is arranged on the other side of the air-permeable rod, and a circular groove hole with the same external dimension as the air-permeable rod is arranged on the sealing disc.
The shape structure of sealed dish and air chamber is unanimous, and the difference lies in, sealed dish sets up circular slotted hole, and the air chamber sets up circular netted hole.
The invention has the advantages that: the air-permeable rod prefabricated in advance replaces a flow-transmitting slit structure, and the air-permeable rod is pre-supported in advance and is sintered at high temperature, so that obvious volume change cannot occur along with the rise of temperature in the using process, and cracks are not easy to generate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structure with a clamp;
FIG. 3 is a top view of the blank;
fig. 4 is a partially enlarged view of fig. 2 at a.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a method for producing a backflow-preventing and anti-clogging prefabricated air brick for a steel ladle comprises the following steps:
the first step is as follows: the fire-resistant type air-permeable rod is prefabricated,
(1) putting the existing air brick material into a forming die 1, wherein plastic glue rods 2 are arranged in the fire-resistant air permeable rods, and the plastic glue rods 2 are circumferentially arrayed in the interior of the fire-resistant air permeable rods;
(2) after the air brick material in the forming die 1 is filled through a vibrating screen, standing and curing;
(3) placing the forming die with the breathable material in a drying workshop for drying treatment; after the plastic glue stick is melted, air holes 3 are formed in the air permeable stick;
the second step is that: the brick body of the air brick is manufactured,
(1) placing the dried refractory air-permeable rod in a fixing clamp 4, and sealing the air holes at the upper end and the lower end of the refractory air-permeable rod by the fixing clamp;
(2) placing air brick material in the gap between the fixing clamp and the air bar, and standing for curing;
(3) placing the fixing clamp with the air brick material in a drying workshop for drying treatment;
(4) and removing the fixing clamp 4 to obtain a semi-finished product in the fixing clamp, assembling the semi-finished product, the steel sheet and the air chamber together, and then inserting the connecting rod to form a ventilation state with the interior of the semi-finished product so as to complete the manufacture of the whole anti-backflow anti-blocking prefabricated air brick for the steel ladle.
The invention further provides a gas-permeable brick body manufactured by the method, which comprises a steel sheet 10, a gas chamber 11, a connecting seat 12, a connecting rod 13 and a gas-permeable rod 3; the concrete structure is as follows: steel sheet 10 is connected as an organic whole with air chamber 11, and connecting rod 13 and air chamber intercommunication formation air intlet are connected to connecting seat 12, 11 inside ventilative sticks 3 that are equipped with of air chamber, the one end and the 10 butt of steel sheet of ventilative stick 3, the other end and the 11 inside butt of air chamber.
The air chamber 11 is hollow, and the end face of the air chamber is provided with a circular slot 1101 which is of a net structure.
Furthermore, the invention provides a fixing clamp used for the processing method, wherein one end of the upper end and the lower end of the air-permeable rod 3 is provided with a cover connecting plate 6, the cover connecting plate 6 is in a conical shape, a lifting lug 601 is arranged at the top of the conical shape, and the lower end of the cover connecting plate 6 is provided with a circular positioning block 8 which has the same external dimension with the air-permeable rod; and a sealing disc 9 is arranged on the other side of the air-permeable rod, and a circular groove hole 901 which is consistent with the external dimension of the air-permeable rod is arranged on the sealing disc 9.
The shape structure of the sealing disc 9 is the same as that of the air chamber 11, and the difference is that the sealing disc is provided with a circular slotted hole 901, and the air chamber is provided with a circular mesh hole 1101.
The invention has the beneficial effects that: the prefabricated air permeable rod replaces a flow-transmitting slit structure, and the air permeable rod is pre-supported in advance and is sintered at high temperature, so that obvious volume change cannot occur along with the rise of temperature in the using process, and cracks are not easy to generate.
Claims (5)
1. The production method of the anti-backflow anti-blocking prefabricated air brick for the steel ladle is characterized by comprising the following steps of:
the first step is as follows: the fire-resistant type air-permeable rod is prefabricated,
(1) putting the existing air brick material into a forming die, wherein plastic glue rods are arranged in the fire-resistant air-permeable rods, and the plastic glue rods are circumferentially arrayed in the interior of the fire-resistant air-permeable rods;
(2) filling the air brick material in the forming die with a vibrating screen, and standing for curing;
(3) placing the forming die with the breathable material in a drying workshop for drying treatment; forming air holes in the air permeable rod after the plastic rubber rod is melted;
the second step is that: the brick body of the air brick is manufactured,
(1) placing the dried refractory air-permeable rod in a fixing clamp, and sealing the air holes at the upper end and the lower end of the refractory air-permeable rod by the fixing clamp;
(2) placing air brick material in the gap between the fixing clamp and the air bar, and standing for curing;
(3) placing the fixing clamp with the air brick material in a drying workshop for drying treatment;
(4) and removing the fixing clamp to obtain a semi-finished product in the fixing clamp, assembling the semi-finished product, the steel sheet and the air chamber together, and then inserting the connecting rod to form a ventilation state with the interior of the semi-finished product so as to complete the manufacture of the whole anti-backflow anti-blocking prefabricated air brick for the steel ladle.
2. A gas permeable brick body manufactured by the method of claim 1, wherein: comprises a steel sheet, an air chamber, a connecting seat, a connecting rod and a ventilating rod; the concrete structure is as follows: the steel sheet is connected as an organic whole with the air chamber, and the connecting rod is formed air inlet with air chamber intercommunication to the connecting seat, the inside ventilative stick that is equipped with of air chamber, the one end and the steel sheet butt of ventilative stick, the other end and the inside butt of air chamber.
3. The gas brick of claim 2, wherein: the air chamber is hollow, and the end face of the air chamber is provided with a circular slotted hole which is of a net structure.
4. A holding fixture for use in the method of claim 1, wherein: one end of the upper end and the lower end of the air-permeable rod is provided with a cover connection plate, the cover connection plate is in a conical shape, a lifting lug is arranged at the top of the conical shape, and the lower end of the cover connection plate is provided with a circular positioning block with the same external dimension as the air-permeable rod; and a sealing disc is arranged on the other side of the air-permeable rod, and a circular groove hole with the same external dimension as the air-permeable rod is arranged on the sealing disc.
5. The gas brick of claim 2, wherein: the shape structure of sealed dish and air chamber is unanimous, and the difference lies in, sealed dish sets up circular slotted hole, and the air chamber sets up circular netted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263234.4A CN110861192A (en) | 2019-12-11 | 2019-12-11 | Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263234.4A CN110861192A (en) | 2019-12-11 | 2019-12-11 | Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110861192A true CN110861192A (en) | 2020-03-06 |
Family
ID=69658854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911263234.4A Withdrawn CN110861192A (en) | 2019-12-11 | 2019-12-11 | Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110861192A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205313606U (en) * | 2016-01-28 | 2016-06-15 | 唐山时创高温材料股份有限公司 | Locking device is separated to slit air brick plastic strip |
| CN205629354U (en) * | 2016-02-22 | 2016-10-12 | 中钢集团洛阳耐火材料研究院有限公司 | Malleableize of excelling in air brick |
| CN106893803A (en) * | 2017-04-05 | 2017-06-27 | 海城市方宏耐火材料有限公司 | A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device |
| CN107199330A (en) * | 2017-04-06 | 2017-09-26 | 洛阳利尔耐火材料有限公司 | A kind of ladle complex air-permeable brick and preparation method thereof |
| CN207606275U (en) * | 2017-12-25 | 2018-07-13 | 唐山贝斯特高温材料有限公司 | A kind of non-damageable ladle bottom blowing air brick |
| CN110527790A (en) * | 2018-05-23 | 2019-12-03 | 洛阳轩石新材料科技有限公司 | The production method of anti-breaking type combined cone disperse air brick |
| CN211806781U (en) * | 2019-12-11 | 2020-10-30 | 鞍山市神佳耐火材料有限公司 | Anti-backflow anti-blocking air brick for prefabricated steel ladle |
-
2019
- 2019-12-11 CN CN201911263234.4A patent/CN110861192A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205313606U (en) * | 2016-01-28 | 2016-06-15 | 唐山时创高温材料股份有限公司 | Locking device is separated to slit air brick plastic strip |
| CN205629354U (en) * | 2016-02-22 | 2016-10-12 | 中钢集团洛阳耐火材料研究院有限公司 | Malleableize of excelling in air brick |
| CN106893803A (en) * | 2017-04-05 | 2017-06-27 | 海城市方宏耐火材料有限公司 | A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device |
| CN107199330A (en) * | 2017-04-06 | 2017-09-26 | 洛阳利尔耐火材料有限公司 | A kind of ladle complex air-permeable brick and preparation method thereof |
| CN207606275U (en) * | 2017-12-25 | 2018-07-13 | 唐山贝斯特高温材料有限公司 | A kind of non-damageable ladle bottom blowing air brick |
| CN110527790A (en) * | 2018-05-23 | 2019-12-03 | 洛阳轩石新材料科技有限公司 | The production method of anti-breaking type combined cone disperse air brick |
| CN211806781U (en) * | 2019-12-11 | 2020-10-30 | 鞍山市神佳耐火材料有限公司 | Anti-backflow anti-blocking air brick for prefabricated steel ladle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200306 |