CN214867219U - Device for preparing composite tundish working lining and composite tundish working lining - Google Patents
Device for preparing composite tundish working lining and composite tundish working lining Download PDFInfo
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- CN214867219U CN214867219U CN202121083551.0U CN202121083551U CN214867219U CN 214867219 U CN214867219 U CN 214867219U CN 202121083551 U CN202121083551 U CN 202121083551U CN 214867219 U CN214867219 U CN 214867219U
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Abstract
The utility model discloses a device and compound tundish work lining for preparing compound tundish work lining, the device includes bed die, baffle and slag trap mounting groove shaping part, be first work lining shaping space between the bed die and the baffle, be second work lining shaping space between baffle and the permanent lining, one side of slag trap mounting groove shaping part with the bed die laminating; the composite tundish working lining comprises a tundish bottom working lining, a tundish wall working lining and a slag line working lining, the tundish wall working lining comprises a first working lining and a second working lining, a contact surface between the first working lining and the second working lining is tightly attached, and at least a baffle is formed on the first working liningAnd (4) installing a slag wall in a groove. The utility model can meet the requirements of high MgO content, low heat conduction and high safety of the working lining of the tundish for customers, and can also realize the reduction of production cost, the saving of magnesium resources, the reduction of production energy consumption and CO2Discharge, etc.
Description
Technical Field
The utility model relates to a tundish working lining technical field. In particular to a device for preparing a composite tundish working lining and the composite tundish working lining.
Background
The tundish is a key part of a molten steel continuous casting process in a steelmaking production process, and plays an important role in the aspects of molten steel storage, pressure reduction, flow distribution, molten steel non-metal inclusion reduction and the like. The tundish working lining mainly comprises a dry material and a coating, and the tundish working lining is made of magnesium, silicon, magnesium-silicon (forsterite), magnesium-carbon, magnesium-chromium and the like. At present, the crude steel yield in China exceeds 10 hundred million tons, and the annual demand of a tundish working layer is over 150 million tons only according to 1.5kg of consumption of a ton of steel refractory material. With the rapid development of modern clean steel and special steel smelting technology, more and more customers prefer to use magnesium dry materials or magnesium coatings with MgO content not less than 80%. Although the alkaline working lining has great advantages in the aspects of slag corrosion resistance, molten steel non-metal inclusion reduction and the like, the main raw material magnesite is obtained from the decomposition, firing and melting of magnesite at high temperature, the energy consumption in the production process is high, and CO is generated2And the emission of smoke dust, waste gas and the like is large, the environmental pollution is serious, and the cost of raw materials (1500 cost 4500 yuan/ton) is greatly increased (1300 cost 4000 yuan/ton) compared with siliceous materials (500 yuan/ton) and magnesium siliceous materials (500 yuan/ton); on the other hand, compared with siliceous materials, magnesium-silicon materials, magnesium-chromium materials and the like, the magnesium working lining has large heat conductivity coefficient, so that the temperature drop in the molten steel casting process is fast, the energy consumption is increased, and the continuous casting quality of the molten steel is also influenced. With the rapid advance of strategy plans such as fourteen five, carbon peak, carbon neutralization and the like in China in future, new processes and new technologies are urgently needed to be researched, and various contradictions and problems existing on the raw material supply side at present are solved.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to provide a device for preparing a composite tundish working lining and the composite tundish working lining, so as to solve the problems that the consumption of the current magnesium working lining is large, the cost is high, and the continuous casting quality of molten steel is influenced by fast cooling in the molten steel casting process; by simultaneously optimizing and configuring the material structure and the material, the requirements of customers on smelting clean steel and special steel can be met, and the aims of reducing the production cost, saving magnesium resources, reducing the production energy consumption, reducing the CO2 emission and the like can be fulfilled.
In order to solve the technical problem, the utility model provides a following technical scheme:
a device for preparing compound middle package work lining, including child mould, baffle and slag wall mounting groove forming part, the child mould with be first work lining shaping space between the baffle, be second work lining shaping space between baffle and the permanent lining, one side of slag wall mounting groove forming part with the child mould laminating. The device can prepare the double-layer composite tundish working lining comprising the first working lining and the second working lining, so that one side close to the low-temperature permanent lining adopts the non-magnesium working lining with lower cost, and one side close to the molten steel and steel slag adopts the magnesium working lining with better comprehensive effect and higher cost, thereby solving the problems that the current magnesium working lining has high consumption and high cost, and the magnesium working lining is cooled quickly in the molten steel casting process to influence the molten steel continuous casting quality and the like.
According to the device for preparing the composite tundish working lining, two sides of the slag wall mounting groove forming component are respectively attached to the forming die and the permanent lining. The slag wall mounting groove forming component has two functions: on one hand, the device has a fixing effect on the partition plate, and on the other hand, the slag wall mounting groove is formed in the process of preparing the composite tundish working lining by using the device, so that the slag wall can be conveniently mounted after the slag wall mounting groove forming component is removed.
According to the device for preparing the composite tundish working lining, the partition plate is fixedly arranged on the slag stopping wall mounting groove forming component, and the partition plate is detachably connected with the slag stopping wall mounting groove forming component. The space between the tire mold and the permanent lining can be divided into two independent spaces, namely a first working lining forming space and a second working lining forming space, and the partition plate is convenient to detach in the working lining forming process.
According to the device for preparing the composite tundish working lining, the upper part of the slag wall mounting groove forming component is provided with the clamping groove.
According to the device for preparing the composite tundish working lining, the lower part of the clapboard is provided with the opening, and the shape and the size of the opening are matched with those of the lower part of the slag wall mounting groove forming component. The depth of the notch at the lower part of the clapboard is equal to the height of the lower part of the slag wall mounting groove forming component, and the height of the upper part of the clapboard is more than or equal to the depth of the clamping groove at the upper part of the slag wall mounting groove forming component, so that the clapboard and the slag wall mounting groove forming component can be buckled together.
The device for preparing the composite tundish working lining further comprises a distributor surrounding the first working lining forming space and the second working lining forming space, and the upper end of the partition plate extends into the distributor. The distributing device is divided into two mutually independent spaces by the partition plate, so that different working lining refractory materials can be conveniently added into the distributing device.
According to the device for preparing the composite tundish working lining, the partition plate is a steel plate with the thickness of 2-6mm and smooth surface, and is a flat plate or a wavy curved plate; when the clapboard is a wave-shaped curved plate, the contact area of different working lining materials at the two sides of the clapboard can be increased; the top wall of the partition plate is higher than the upper edge of the tundish by 300-400 mm; the drawing lifting hook is welded on the top wall of the partition plate, so that the partition plate can be conveniently drawn out in the process of forming the composite working lining; the moulding bed is in an inverted trapezoid shape with a wide upper part and a narrow lower part, so that demoulding is convenient after moulding and baking; a vibration motor is arranged above the inner tire mold; and ignition baking equipment is arranged in the cavity of the moulding bed. The width of the slag-stopping wall mounting groove forming component is slightly larger than the thickness of the slag-stopping wall of the tundish, so that the installation of the slag-stopping wall in the slag-stopping wall mounting groove is ensured.
In the device for preparing the composite tundish working lining, the distributing device is an inverted trapezoidal funnel with a wide upper part and a narrow lower part; the width of the bottom of the distributing device is consistent with the total thickness of the composite working lining.
The utility model provides a compound middle package work lining, includes package end work lining, package wall work lining and slag line work lining, package end work lining shaping is on the middle package is chartered, package wall work lining with slag line work lining shaping respectively is on middle package inner wall, just slag line work lining is located package wall work lining top, package wall work lining includes that MgO content is greater than 80 wt%'s first work lining and MgO content are less than 80 wt%'s second work lining, first work lining with the contact surface closely laminates between the second work lining, at least the shaping has the slag wall mounting groove of keeping off on the first work lining. The composite tundish working lining can keep the working advantages of the magnesium working lining, reduce the use amount of the magnesium working lining, reduce the consumption of the magnesium working lining, save the tundish refractory material cost and reduce the environmental pollution.
The first working lining is a magnesium working lining, and the second working lining is a non-magnesium working lining; the magnesium working lining is made of one or two of dead burned magnesia and electric fused magnesia; the main raw material of the non-magnesium working lining is one or the mixture of two or more of quartz, forsterite, waste magnesia-chrome bricks, waste magnesia-carbon, waste alumina-magnesia-carbon bricks, dead burnt magnesia and fused magnesia; the first working lining is close to high-temperature molten steel, the second working lining is close to a low-temperature permanent lining, and the first working lining and the second working lining can be tundish dry vibration materials or tundish coating.
In the above composite tundish working lining, in the thickness direction of the first working lining and the second working lining: and the slag wall mounting groove penetrates through the first working lining and the second working lining.
The composite tundish working lining comprises a first working lining with MgO content more than 80wt% and a second working lining with MgO content less than 80wt%, and a contact surface between the first working lining and the second working lining is tightly attached; the slag line working lining is a working lining with MgO content of more than 80 wt%. The slag line working lining can be made of the same magnesium material as the first working lining, and the magnesium material with better erosion resistance can be arranged by combining the slag erosion condition in order to ensure safety and prolong the whole working life of the working lining because the slag line working lining has stronger corrosivity in the working environment.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. use the utility model discloses a device can prepare the double-deck compound middle package work lining that includes first work lining and second work lining to can make one side that is close to the permanent lining of low temperature adopt the lower non-magnesium matter work lining of cost, and one side that is close to high temperature molten steel slag adopts the better higher magnesium matter work lining that forms of combined effect, thereby it is big, with high costs to have solved current magnesium matter work lining consumption, and magnesium matter work lining is fast and influence molten steel continuous casting molten steel quality scheduling problem in the cooling of molten steel casting in-process.
2. The utility model is used for in the device of the compound middle package work lining of preparation, the effect of pushing off slag wall mounting groove forming part has two: on one hand, the device has a fixing effect on the partition plate, and on the other hand, a slag wall mounting groove is formed in the process of preparing the composite tundish working lining by using the device, so that the slag wall can be conveniently mounted after the slag wall mounting groove forming component is removed; through setting up to detachable baffle, can cut apart into two independent spaces, first working lining shaping space and second working lining shaping space with the space between child mould and the permanent lining, and conveniently demolish the baffle in the working lining shaping process.
3. The utility model is used for among the device of the compound middle package work lining of preparation, the opening degree of depth of baffle lower part equals with the height that keeps off slag wall mounting groove forming part lower part, and the draw-in groove degree of depth that highly is greater than or equal to on baffle upper portion keeps off slag wall mounting groove forming part upper portion to can make baffle and keep off slag wall mounting groove forming part buckle together. The distributing device is divided into two mutually independent spaces by the partition plate, so that different working lining refractory materials can be conveniently added into the distributing device. When the clapboard is a wave-shaped curved plate, the contact area of different working lining materials at the two sides of the clapboard can be increased; the roof welding of baffle has the extraction lifting hook, conveniently pulls out the baffle at compound work lining forming process.
4. The utility model is used for preparing the device of the composite tundish working lining, the moulding bed can be arranged into an inverted trapezoid with a wide upper part and a narrow lower part, so as to facilitate demoulding after molding and baking; the width of the slag-stopping wall mounting groove forming component is slightly larger than the thickness of the slag-stopping wall of the tundish, so that the installation of the slag-stopping wall in the slag-stopping wall mounting groove is ensured.
5. The utility model provides a package work lining in middle of the compound both can remain the work advantage of magnesium work lining, can reduce the use amount of magnesium work lining again, reduce the consumption of magnesium work lining, and the resistant material cost of package in the middle of practicing thrift reduces environmental pollution.
6. The utility model discloses a built-in child mould with vibrating motor installs devices such as channel-section steel, baffle and distributing device additional, according to the use characteristics and the requirement of each position of middle package work lining, carries out composite construction, whole shaping to package end, package wall and slag line work lining respectively, reaches the requirement that both can satisfy the customer to middle package work lining high MgO content, low heat conduction, high security, can realize reduction in production cost again, practice thrift magnesium resource, reduce production energy consumption and CO2The purposes of discharge and the like are achieved, and the social and economic benefits and the ecological environmental benefits are good.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for manufacturing a composite tundish working lining of the present invention;
FIG. 2 is a top plan view of the apparatus for making a composite tundish working lining of the present invention;
FIG. 3 is a cross-sectional view of the apparatus for making a composite tundish working lining of the present invention;
FIG. 4 is an enlarged view of the present invention at B in FIG. 3;
FIG. 5 is a schematic structural view of a composite tundish working lining of embodiment 2 of the present invention;
fig. 6 is a schematic structural view of a composite tundish working lining of the embodiment 3 of the present invention.
The reference numbers in the figures denote: 1-forming a mould; 2-a first working lining; 3-a slag wall mounting groove forming component; 4-a separator; 5-a distributor; 6-a substrate-wrapping working lining; 7-a wall-wrapping working lining; 8-slag line working lining; 9-permanent lining; 10-second working lining.
Detailed Description
Example 1
As shown in fig. 1 and 2, the device for preparing the composite tundish working lining comprises a forming die 1, a partition plate 4 and a slag wall mounting groove forming part 3, wherein a first working lining forming space is arranged between the forming die 1 and the partition plate 4, a second working lining forming space is arranged between the partition plate 4 and a permanent lining 9, and two sides of the slag wall mounting groove forming part 3 are respectively attached to the forming die 1 and the permanent lining 9;
the device also comprises a distributing device 5 surrounding the first working lining forming space and the second working lining forming space, and the upper end of the clapboard 4 extends into the distributing device 5; the distributing device 5 is an inverted trapezoid funnel with a wide upper part and a narrow lower part, and can be seen in fig. 3 and 4. The bottom width of the distributor 5 is consistent with the total thickness of the composite working lining. A vibration motor is arranged above the inner mould; an ignition baking device is arranged in the cavity of the moulding bed. The slag wall mounting groove forming component has two functions: on one hand, the device has a fixing effect on the partition plate, and on the other hand, the slag wall mounting groove is formed in the process of preparing the composite tundish working lining by using the device, so that the slag wall can be conveniently mounted after the slag wall mounting groove forming component is removed. The distributing device is divided into two mutually independent spaces by the partition plate, so that different working lining refractory materials can be conveniently added into the distributing device.
The partition plate 4 is fixedly arranged on the slag wall mounting groove forming component 3, the upper part of the slag wall mounting groove forming component 3 is provided with a clamping groove, the lower part of the partition plate 4 is provided with a notch, and the shape and the size of the notch are matched with the shape and the size of the lower part of the slag wall mounting groove forming component 3; the depth of the notch at the lower part of the clapboard is equal to the height of the lower part of the slag wall mounting groove forming component, and the height of the upper part of the clapboard is more than or equal to the depth of the clamping groove at the upper part of the slag wall mounting groove forming component, so that the clapboard and the slag wall mounting groove forming component can be buckled together.
The partition plate 4 is a smooth-surfaced steel plate with the thickness of 2mm, and the partition plate 4 is a wavy curved plate; when the clapboard is a wave-shaped curved plate, the contact area of different working lining materials at the two sides of the clapboard can be increased; the top wall of the clapboard 4 is 320mm higher than the upper edge of the tundish; the drawing lifting hook is welded on the top wall of the partition plate 4, so that the partition plate can be conveniently drawn out in the process of forming the composite working lining; the moulding bed 1 is in an inverted trapezoid shape with a wide upper part and a narrow lower part, so that demoulding is convenient after moulding and baking; the width of the slag-stopping wall mounting groove forming component 3 is slightly larger than the thickness of the slag-stopping wall of the tundish, so that the installation of the slag-stopping wall in the slag-stopping wall mounting groove is ensured.
The slag wall mounting groove forming part 3 is a channel steel, the thickness of the channel steel is equal to the total thickness of the tundish working lining by 100mm, the width of the channel steel is 115mm, and the width of the channel steel is slightly larger than the thickness of the tundish slag wall by 105 mm; the clamping groove of the channel steel and the opening of the clapboard 4 can be clamped by cross-shaped buckles. The distributing device 5 is in an inverted trapezoid shape with a wide upper part and a narrow lower part, the total width of the bottom is 100mm, and the total thickness of the distributing device is consistent with the total thickness of the composite working lining.
The working process is as follows: firstly, coating a layer of magnesium-chromium coating with the thickness of 65mm and the MgO content of 67 percent on the bottom of a ladle;
placing channel steel on two sides of the long wall of the tundish permanent lining 9, wherein two channel steel are symmetrically placed on each side; stably and symmetrically clamping the forming die 1 between four channel steels, and then respectively clamping the partition plates 4 between the channel steels on two sides, wherein the distances between the partition plates 4 and the forming die 1 and the permanent lining 9 are respectively 34mm and 64mm, including the thickness of the partition plates, so as to ensure that the total thickness of the working lining is 100 mm;
thirdly, coating a layer of magnesium paint with the thickness of 35mm and the MgO content of 88 percent on the surface of the magnesium-chromium paint with the MgO content of 67 percent at the bottom of the ladle;
fourthly, the distributing device 5 is reversely buckled between the moulding bed 1 and the permanent lining 9, and the distributing device 5 is divided into two parts by the part of the clapboard 4 higher than the permanent lining;
distributing a magnesium-chromium coating with the MgO content of 67 percent on the side close to the permanent lining 9 below the distributor 5, and distributing a magnesium coating with the MgO content of 88 percent on the side close to the molten steel;
sixthly, when the cloth height of the two sides exceeds about 150mm above the slag line, starting a motor to vibrate, and when the materials on the two sides sink to about 50mm below the slag line, stopping vibration and slowly drawing out the partition plate 4;
seventhly, a magnesium coating with the MgO content of 88 percent is distributed at the slag line part, when the materials are distributed to the wrapping edge, the motor is started again to vibrate, and the materials are vibrated and distributed at the same time until the materials do not sink any more, and then the vibration is stopped;
eighthly, removing the distributor 5, naturally curing for 8h, then igniting and baking, and controlling the internal temperature of the moulding bed 1 to be kept at 150 ℃ for 3 h;
ninthly, after the baking is stopped, when a shrinkage joint of about 1mm is generated between the composite working lining and the moulding bed 1, the moulding bed 1 can be pulled out;
the channel embedded in the composite liner is completely removed in the r ready for installation of the tundish slag wall. And finishing the construction of the composite tundish working lining.
The utility model discloses an adopt built-in child mould with vibrating motor, install devices such as channel-section steel, baffle and distributing device additional, according to the characteristics of use and the requirement of each position of middle package work lining, carry out composite construction, whole shaping to package end, package wall and slag line work lining respectively, reach the requirement that both can satisfy the customer to middle package work lining high MgO content, low heat conduction, high security, can realize reduction in production cost again, practice thrift magnesium resource, reduce production energy consumption and CO2The purposes of discharge and the like are achieved, and the social and economic benefits and the ecological environmental benefits are good.
Example 2
The composite tundish working lining prepared by the device in the embodiment 1 is shown in fig. 5 and comprises a ladle bottom working lining 6, a ladle wall working lining 7 and a slag line working lining 8, wherein the ladle bottom working lining 6 is formed on the ladle bottom of the tundish, the ladle wall working lining 7 and the slag line working lining 8 are respectively formed on the inner wall of the tundish, the slag line working lining 8 is positioned above the ladle wall working lining 7, the ladle wall working lining 7 comprises a first working lining 2 and a second working lining 10, and the contact surface between the first working lining 2 and the second working lining 10 is tightly attached.
In the thickness direction of the first work piece 2 and the second work piece 10: the slag wall installation groove penetrates through the first working lining 2 and the second working lining 10. The substrate wrapping working lining 6 also comprises a first working lining 2 and a second working lining 10, and the contact surface between the first working lining 2 and the second working lining 10 is tightly attached; the slag line working lining 8 is a magnesium working lining with the MgO content of 88 wt%. The composite tundish working lining can keep the working advantages of the magnesium working lining, reduce the use amount of the magnesium working lining, reduce the consumption of the magnesium working lining, save the tundish refractory material cost and reduce the environmental pollution.
The first working lining is a magnesium working lining, and the second working lining is a non-magnesium working lining; the magnesium working lining adopts a magnesium coating with 88 percent of MgO content, and the main raw material adopts 95 dead burned magnesia; the non-magnesium working lining adopts a magnesium-chromium coating with the MgO content of 67 percent, and the main raw material adopts a magnesium-chromium waste brick; the first work lining is close to the high temperature molten steel, and the slag line work lining 8 in this embodiment still uses the above-mentioned magnesium paint with the MgO content of 88% in consideration of the not very long life of the tundish.
In this example, the total thickness of the composite tundish working lining is 100mm, the total amount of the tundish coating is about 3.6 tons, wherein the amount of the magnesium-chromium coating with 67% of MgO content is 1.5 tons, and the amount of the magnesium coating with 88% of MgO content is 2.1 tons. The composite tundish working lining of the embodiment is suitable for producing ultra-low carbon interstitial-free steel IF steel, and the number of continuous casting furnaces is 15, and the continuous casting time is 11 hours.
The composite tundish working lining of the embodiment is tried in practice, and the result shows that the composite tundish working lining has excellent sintering resistance and corrosion resistance, and the tundish is turned and disassembled smoothly after being off-line; meanwhile, no obvious recarburization effect of molten steel in the tundish is found, and nonmetallic inclusions in the molten steel are controlled to be at a lower level. In the embodiment, the non-magnesium working lining adopts the magnesium-chromium waste bricks as the raw materials, thereby promoting the recycling of waste resources, saving high-quality magnesia resources, greatly reducing the production cost and having good social and economic benefits and ecological environmental benefits.
Example 3
As shown in fig. 6, a composite tundish working lining comprises a tundish bottom working lining 6, a tundish wall working lining 7 and a slag line working lining 8, wherein the tundish bottom working lining 6 is formed on the tundish bottom, the tundish wall working lining 7 and the slag line working lining 8 are respectively formed on the inner wall of the tundish, the slag line working lining 8 is positioned above the tundish wall working lining 7, the tundish wall working lining 7 comprises a first working lining 2 and a second working lining 10, and the contact surface between the first working lining 2 and the second working lining 10 is tightly attached.
In the thickness direction of the first work piece 2 and the second work piece 10: the slag wall installation groove penetrates through the first working lining 2 and the second working lining 10. The substrate wrapping working lining 6 also comprises a first working lining 2 and a second working lining 10, and the contact surface between the first working lining 2 and the second working lining 10 is tightly attached; the slag line working lining 8 is a magnesium working lining with the MgO content of 88 wt%.
The first working lining is a magnesium working lining, and the second working lining is a non-magnesium working lining; the magnesium working lining is made of a magnesium dry material with 86 percent of MgO content, and the main raw material is 91 dead burned magnesia; the non-magnesium working lining adopts a magnesium-silicon dry material with the MgO content of 59 percent, and the main raw materials are forsterite and 91 dead-burned magnesia; the first working lining is close to high-temperature molten steel, and in view of longer service life of the tundish and ensuring safety, the slag line working lining 8 in the embodiment adopts a magnesium dry material with the MgO content of 92 percent, and the main raw material adopts 97 electric smelting magnesia.
The total thickness of the working lining of the composite tundish of the embodiment is about 120mm, the total consumption of the dry materials of the tundish is about 5.8 tons, wherein the consumption of the 59 percent magnesium-silicon dry material is 2.1 tons, the consumption of the 86 percent magnesium dry material is 1.9 tons, and the consumption of the 92 percent magnesium dry material is 1.8 tons. The embodiment is suitable for producing HRB400 deformed steel bars, and can meet the long-time casting requirement of molten steel of more than 30h60 h. Meanwhile, the magnesium-silicon working lining has low heat conductivity coefficient, so that the heat preservation effect on molten steel is better, the energy consumption is saved, and the quality of the cast molten steel is improved. By adopting the composite tundish working lining of the embodiment, the production cost can be greatly reduced, high-quality resources can be saved, the production energy consumption can be reduced, and CO can be reduced2Discharge, and the like, and has good social and economic benefits and ecological environmental benefits.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (10)
1. A device for preparing compound middle package work lining, its characterized in that, including child mould (1), baffle (4) and slag wall mounting groove forming part (3), child mould (1) with be first work lining shaping space between baffle (4), be second work lining shaping space between baffle (4) and permanent lining (9), one side of slag wall mounting groove forming part (3) with child mould (1) laminating.
2. The apparatus for manufacturing a composite tundish working lining according to claim 1, wherein both sides of the slag wall installation groove forming member (3) are respectively attached to the forming die (1) and the permanent lining (9).
3. The apparatus for manufacturing a composite tundish working lining according to claim 1, wherein the partition plate (4) is fixedly mounted on the slag wall mounting groove forming member (3), and the partition plate (4) is detachably connected to the slag wall mounting groove forming member (3).
4. The apparatus for manufacturing a composite tundish working lining according to claim 1, wherein the upper portion of the slag wall installation groove forming member (3) is provided with a catching groove.
5. The apparatus for manufacturing a composite tundish working lining according to claim 1, wherein the lower portion of the partition plate (4) is provided with a notch, and the shape and size of the notch are matched with the shape and size of the lower portion of the slag wall mounting groove forming member (3).
6. The apparatus for manufacturing a composite tundish working lining according to claim 1, further comprising a distributor (5) surrounding the first working lining forming space and the second working lining forming space, wherein the upper end of the partition (4) is inserted into the distributor (5).
7. The apparatus for manufacturing a composite tundish working lining according to claim 1, wherein the partition (4) is a smooth-surfaced steel plate with a thickness of 2-6mm, and the partition (4) is a flat plate or a wave-shaped curved plate; the top wall of the clapboard (4) is 400mm higher than the upper edge of the tundish; the top wall of the clapboard (4) is welded with a drawing hook; the moulding bed (1) is in an inverted trapezoid shape with a wide upper part and a narrow lower part; the width of the slag-stopping wall mounting groove forming component (3) is greater than the thickness of the slag-stopping wall of the tundish.
8. The utility model provides a package work lining in middle of compound, includes package end work lining (6), package wall work lining (7) and slag line work lining (8), package end work lining (6) shaping on the package end in middle, package wall work lining (7) with slag line work lining (8) shaping respectively is on the package inner wall in middle of, just slag line work lining (8) are located package wall work lining (7) top, its characterized in that, package wall work lining (7) include first work lining (2) and second work lining (10), first work lining (2) with contact surface closely laminates between second work lining (10), at least the shaping has the slag wall mounting groove on first work lining (2).
9. A composite tundish working lining according to claim 8, wherein in the thickness direction of the first working lining (2) and the second working lining (10): the slag wall mounting groove penetrates through the first working lining (2) and the second working lining (10).
10. The composite tundish working lining according to claim 8, wherein the tundish working lining (6) comprises a first working lining (2) and a second working lining (10), and the contact surface between the first working lining (2) and the second working lining (10) is tightly attached.
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