CN112643017A - Lining casting method of telescopic tire mold for integral casting of inner lining of molten steel tank - Google Patents
Lining casting method of telescopic tire mold for integral casting of inner lining of molten steel tank Download PDFInfo
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- CN112643017A CN112643017A CN202011094015.0A CN202011094015A CN112643017A CN 112643017 A CN112643017 A CN 112643017A CN 202011094015 A CN202011094015 A CN 202011094015A CN 112643017 A CN112643017 A CN 112643017A
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- 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
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- 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
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
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- 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
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a lining pouring method of a telescopic tire membrane for integral pouring of a ladle lining, and relates to the technical field of ladle casting material construction methods. The inner liner pouring method of the telescopic tire membrane for the integral pouring of the inner liner of the molten steel tank has the advantages that the tire membrane frame and the shell are integrally connected and have functions, and the thrust of the electric cylinder is used for realizing the relative displacement of the frame and the shell so as to achieve the aim of accurate centering; the fetal membrane shell is split into a telescopic door and a shell, the telescopic door is moved by adopting the thrust of an electric push rod, the working diameter of the fetal membrane shell is changed, and the shaping pouring function and the demolding function of the fetal membrane are realized; the attached type vibration motor which is arranged in a layered and staggered mode is adopted, so that uniform and independent vibration of all parts of the tire membrane is guaranteed, and the compactness of the castable is realized.
Description
Technical Field
The invention relates to the technical field of construction methods of castable of a molten steel tank, in particular to a lining casting method of a telescopic tire mold for integral casting of a lining of the molten steel tank.
Background
With the development of unshaped refractory materials, the application of the castable in the inner lining of the molten steel tank is increasingly wide. The biggest difficult problem of the castable in the application aspect is the construction problem, and because of temperature and humidity changes, raw material quality, construction mode and other uncertain factors, the construction process and the service performance of the castable are greatly influenced, construction interruption, material waste, even steel leakage accidents and the like occur in the use process.
When the castable is constructed, a forming die is generally used for construction, and the forming die is a circular truncated cone and is large in top and small in bottom. The construction method is a step-by-step construction method, namely, the construction of bottom pouring materials is firstly carried out, after the construction is finished, the pouring materials are naturally cured, and after the bottom pouring materials are completely hardened, a moulding bed is placed for wall wrapping construction, so that the construction method has long construction time and low efficiency, and the turnover use of a molten steel tank can be influenced in a steel enterprise with short rhythm; the construction method basically adopts a mode of vibration of an artificial vibrating rod from the bottom of the tank to the wall of the tank, so that the distribution of different particles of the casting material generates segregation, the service performance of the casting material is influenced, and meanwhile, the construction method has the risks of high demoulding difficulty, long demoulding time or incapability of demoulding.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a lining pouring method of a telescopic tire membrane for the integral pouring of a lining in a molten steel tank, which solves the problems of small application range, long step-by-step construction process time, high construction difficulty, low construction efficiency and difficult demoulding of the tire membrane.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a lining pouring method of a telescopic tire membrane for the integral pouring of a steel tank lining comprises a shock absorption device, an adjusting device, a lifting device, a frame, an internal lighting device, a lubricating point, an electrical switch, a cable and a control power box, wherein the frame is formed by welding steel plates and sectional materials and is a framework of a tire membrane shell, a staircase is arranged in the tire membrane shell and is made of the sectional materials and welded on the frame, a telescopic system and a vibration system are arranged on the frame, the frame is divided into an upper part and a lower part, the upper part is a main frame, the lower part is a lifting frame, the telescopic system and the shell are connected with the main frame of the upper part, a centering system is connected with the lower part, the tire membrane shell comprises a telescopic door and two arc-shaped plates, the telescopic door is connected with the frame through a connecting rod, the two arc-shaped plates are connected with the frame through a hinge shaft, the vibration system adheres to the inner wall that distributes at the fetal membrane casing, elevating gear comprises 4 electronic jars of lift, tray etc. electronic jar welded fastening in main frame bottom, adjusting device includes electronic jar of 2 accent, support and guide rail, electronic jar welded fastening is in the lower part intermediate position of frame, includes following method:
The method comprises the following steps: uniformly coating butter on the outer wall of a telescopic tire membrane shell for integral casting of a steel ladle lining, and checking the surface cleanliness and the tire membrane integrity;
step two: sticking a light heat-insulating plate heat-insulating layer on the inner wall of the shell of the molten steel tank to be poured by using slurry, and staggering the gaps of the upper layer and the lower layer of the heat-insulating plate, wherein the plate gap is less than 5 mm;
step three: hanging the telescopic tire membrane for integral casting of the inner lining of the molten steel tank on a hoisting point by using a special hoisting tool from a maintenance station, hoisting the telescopic tire membrane to the molten steel tank of a to-be-cast permanent layer by using a crane, and longitudinally or transversely translating the tire membrane shell by using a positioning and centering device to ensure that the distance between the periphery of the outer wall of the tire membrane and the outer shell of the molten steel tank is basically equal, and the difference between the thickest part and the thinnest part on the same height is less than 25 mm;
step four: pulling out a connecting cable of the telescopic tire membrane for integral casting of the inner lining of the molten steel tank, and inserting the connecting cable into a jack at a corresponding position of a special power supply operation box near a casting station;
step five: placing a special circular top cover at the top end of the fetal membrane;
step six: adding the permanent layer castable into a stirrer in 8 batches, adding each batch at one time, dry-mixing for 1-2 minutes, adding water while stirring, controlling the water addition amount to be 1:16, stirring for 3-7 minutes after water is added, and discharging, wherein the stirring time is based on uniformly stirring the materials;
Step seven: opening the material stirred by the stirrer to be right above a ladle to be poured through the movable stirrer, opening an opening valve of a stirrer bin, putting the castable on the circular top cover, and allowing the castable to flow into a permanent layer pouring space along the wall of the tire membrane top cover;
step eight: after 3 batches of materials are continuously injected, a lower-layer vibration motor of a tire membrane is started, after 4 batches of casting materials are injected, a middle-layer vibration motor is started, after 6 batches of casting materials are injected, an upper-layer vibration motor is started, a lower-layer vibration motor is closed, and the starting time of the vibration motor is about 2-3 minutes when 1 batch of casting materials are injected, so that the casting materials are uniformly distributed, and after the last batch of casting materials are added, the vibration motor vibrates until the surface of the casting materials is subjected to slurry pouring but no air bubbles are discharged;
step nine: after the permanent layer is poured, statically curing for 36 hours;
step ten: the demolding process includes firstly screwing out a screw of a mechanical positioning block, pulling out the positioning block up and down, then starting an electric cylinder of a telescopic system, moving a telescopic door to the center of a tire membrane, retracting a tire membrane shell inwards, separating from a castable, pulling out a cable, arranging in order, putting the cable on the top end of the tire membrane, commanding a traveling crane to lift out the tire membrane, and placing the tire membrane at an offline maintenance station;
step eleven: after demoulding, the ladle is hung to a roaster to be roasted, and the permanent layer is roasted for not less than 8 hours by small fire.
Preferably, the fetal membrane shell is a circular truncated cone-shaped steel structure formed by welding a steel plate and a section bar and is connected and matched with a circular top cover for use.
Preferably, telescopic system includes flexible door, connecting rod, axle and electronic jar, connecting rod one end is connected respectively on flexible door and arc, and the other end and electronic jar are connected, works as when electronic jar contracts, makes the pull rod atress, drives flexible door and removes to the casing center, and the connecting rod drives two arc steel sheets and uses the hank axle as the rotation point, by both sides to the rotation of casing center, realizes that the casing is flexible, casing and pouring material separation to realize the drawing of patterns.
Preferably, the vibration system comprises a vibration motor arranged on the inner side of the shell steel shell, the vibration motor is divided into an upper layer, a middle layer and a lower layer, the vibration motor is respectively provided with 6 motors, 4 motors and 6 motors, the three motors are distributed according to an equal-angle and interlayer dislocation shape, and each layer can independently run.
Preferably, the shock absorber is a cushion pad made of a ring-shaped rubber product and fixedly connected to a steel plate at the bottom of the shell by using bolts.
Preferably, the centering device comprises a lifting device and an adjusting device.
Preferably, the number of the hoisting points is 4, the hoisting points are positioned on the same horizontal plane of the frame at the top cover, and each hoisting point consists of 1 base, 2 amplitude plates and 1 shaft pin. Hoisting point base weld on the frame, and 1 circular port, two hole levels are concentric are respectively opened on 2 breadboards on the welding parallel welding of breadboard on the base, the frame.
Preferably, the staircase is provided with the guardrail, staircase one end is welded in maintenance platform department with the bearing, can maintain the platform relatively and rotate, and when the fetal membrane was in maintenance platform, the staircase was rotatory the back, can be taken at the top of fetal membrane casing.
Preferably, the permanent layer is cast by using a material containing Al2O3The amorphous castable has certain strength and linear change rate.
Preferably, the roaster is a device for roasting refractory materials in the lining of the molten steel tank, and takes mixed gas as fuel.
(III) advantageous effects
The invention provides a lining casting method of a telescopic tire membrane for casting a whole lining of a molten steel tank. The method has the following beneficial effects:
the lining pouring method of the telescopic tire membrane for the integral pouring of the inner lining of the molten steel tank is characterized in that the telescopic tire membrane for the integral pouring of the inner lining of the molten steel tank and the integral pouring method of the inner lining of the permanent layer are applied, so that the construction difficulty of the pouring material is greatly reduced, the compactness of the pouring material is ensured, and the pouring construction and the demoulding process are more convenient. After the method is adopted, the safety of the molten steel tank is greatly improved, the service life of the permanent layer is prolonged, certain economic benefits are achieved, and the labor amount is reduced.
Drawings
FIG. 1 is a front view of a fetal membrane frame;
FIG. 2 is a left side view of the fetal membrane frame;
FIG. 3 is a top view of a fetal membrane frame;
FIG. 4 is a front view of the fetal membrane casing;
FIG. 5 is a top view of the membrane housing;
FIG. 6 is a front view of the centering system;
FIG. 7 is a top view of the centering system;
FIG. 8 is a diagram of a telescoping system;
FIG. 9 is a front view of the retractable door;
FIG. 10 is a left side view of the retractable door;
FIG. 11 is a schematic view of a lifting device;
FIG. 12 is a schematic view of the combination of the tire and the molten steel tank during permanent layer casting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, the present invention provides a technical solution: a lining pouring method of a telescopic tire membrane for the integral pouring of a steel tank lining comprises a shock absorption device, an adjusting device, a lifting device, a frame, an internal lighting device, a lubricating point, an electrical switch, a cable and a control power box, wherein the frame is formed by welding steel plates and profiles, the framework is a framework of a tire membrane shell, a staircase is arranged in the tire membrane shell, the staircase is made of the profiles and is welded on the frame, a telescopic system and a vibration system are arranged on the frame, the frame is divided into an upper part and a lower part, the upper part is a main frame, the lower part is a lifting frame, the telescopic system and the shell are connected with the main frame of the upper part, a centering system is connected with the lifting frame of the lower part, the tire membrane shell comprises a telescopic door and two arc-shaped plates, the telescopic door is connected with the frame through a connecting rod, the two arc-shaped plates are connected with the, the lifting device comprises 4 lifting electric cylinders, a supporting disc and the like, the electric cylinders are welded and fixed at the bottom end of the main frame, the adjusting device comprises 2 centering electric cylinders, a support and a guide rail, the electric cylinders are welded and fixed at the middle position of the lower part of the frame, and the method comprises the following steps:
The method comprises the following steps: uniformly coating butter on the outer wall of a telescopic tire membrane shell for integral casting of a steel ladle lining, and checking the surface cleanliness and the tire membrane integrity;
step two: sticking a light heat-insulating plate heat-insulating layer on the inner wall of the shell of the molten steel tank to be poured by using slurry, and staggering the gaps of the upper layer and the lower layer of the heat-insulating plate, wherein the plate gap is less than 5 mm;
step three: hanging a lifting point on a telescopic tire membrane for integral casting of a lining in a molten steel tank by using a special lifting appliance from a maintenance station, lifting the telescopic tire membrane into the molten steel tank of a to-be-cast permanent layer by using a crane, and longitudinally or transversely translating a tire membrane shell by using a positioning and centering device to ensure that the distance between the periphery of the outer wall of the tire membrane and the outer shell of the molten steel tank is basically equal, and the difference between the thickest part and the thinnest part on the same height is less than 25mm, so that the requirement of the casting thickness of the permanent layer of 105mm can be met;
step four: pulling out a connecting cable of the telescopic tire membrane for integral casting of the inner lining of the molten steel tank, and inserting the connecting cable into a jack at a corresponding position of a special power supply operation box near a casting station;
step five: a special circular top cover is arranged at the top end of the moulding bed, so that the castable of the permanent layer can slide into the space of the permanent layer of the molten steel tank along the wall of the top cover conveniently;
step six: adding the permanent layer castable into a stirrer in 8 batches, adding each batch at one time, dry-mixing for 1-2 minutes, adding water while stirring, controlling the water addition amount to be 1:16, stirring for 3-7 minutes after water is added, and discharging, wherein the stirring time is based on uniformly stirring the materials;
Step seven: opening the material stirred by the stirrer to be right above a ladle to be poured through the movable stirrer, opening an opening valve of a stirrer bin, putting the castable on the circular top cover, enabling the castable to flow into the permanent layer pouring space along the wall of the tire membrane top cover, and pushing excess materials manually;
step eight: after 3 batches of materials are continuously injected, a lower-layer vibration motor of a tire membrane is started, after 4 batches of casting materials are injected, a middle-layer vibration motor is started, after 6 batches of casting materials are injected, an upper-layer vibration motor is started, a lower-layer vibration motor is closed, and the starting time of the vibration motor is about 2-3 minutes when 1 batch of casting materials are injected, so that the uniform distribution of the casting materials is ensured, and after the last batch of casting materials are added, the vibration of the vibration motor is carried out until the surface of the casting materials is subjected to slurry pouring but no air bubbles are;
step nine: after the permanent layer is poured, statically curing for 36 hours;
step ten: when in demoulding, an operator needs to enter the interior of the tire membrane, firstly unscrew a screw rod of the mechanical positioning block, pull out the positioning block together from top to bottom, then start an electric cylinder of a telescopic system, move a telescopic door to the center of the tire membrane, retract a tire membrane shell inwards, separate from a castable, pull out a cable, arrange the cable in order, put the cable at the top end of the tire membrane, command a travelling crane to lift out the tire membrane and place the cable at an offline maintenance station;
Step eleven: after demoulding, hoisting the molten steel tank to a roaster for roasting, wherein the permanent layer is roasted for not less than 8 hours with small fire;
the tyre membrane shell is a circular platform type steel structure formed by welding steel plates and sectional materials and is connected and matched with a circular top cover for use, the telescopic system comprises a telescopic door, a connecting rod, a shaft and an electric cylinder, one end of the connecting rod is respectively connected on the telescopic door and an arc-shaped plate, the other end of the connecting rod is connected with the electric cylinder, when the electric cylinder contracts, a pull rod is stressed to drive the telescopic door to move towards the center of the shell, the connecting rod drives two arc-shaped steel plates to rotate towards the center of the shell from two sides by taking a hinge as a rotating point, so that the telescopic shell is stretched, the shell is separated from castable, and demoulding is realized, the vibration system comprises a vibration motor arranged on the inner side of a shell steel shell, the vibration motor is divided into an upper layer, a middle layer and a lower layer and is respectively provided with 6 machines, 4 machines and 6 machines, the three-layer motors are distributed according to equal angles, the centering device comprises a lifting device and an adjusting device, the number of hoisting points is 4, the hoisting points are located on the same horizontal plane of the frame at the top cover, and each hoisting point consists of 1 base, 2 amplitude plates and 1 shaft pin. Hoisting point base weld on the frame, web welding parallel weld is on the base, respectively open 1 circular port on 2 webs, two hole levels are concentric, be provided with the guardrail on the staircase, staircase one end is in maintenance platform department with the bearing welding, can maintain the platform relatively and rotate, when the fetal membrane is in maintenance platform, the staircase is rotatory the back, can take at the top of fetal membrane casing, what adopt during permanent layer pouring is the indefinite form castable who has certain intensity and linear rate of change that contains Al2O3, the roaster is a device that is used for the baking of molten steel jar inside lining working layer refractory material, use mixed coal gas as the fuel.
In conclusion, the inner liner pouring method of the telescopic tire membrane for the integral pouring of the inner liner of the molten steel tank has the advantages that the tire membrane frame and the shell are integrally connected and have functions, the thrust of the electric cylinder is used, the relative displacement of the frame and the shell is realized, and the aim of accurate centering is fulfilled; the fetal membrane shell is split into a telescopic door and a shell, the telescopic door is moved by adopting the thrust of an electric push rod, the working diameter of the fetal membrane shell is changed, and the shaping pouring function and the demolding function of the fetal membrane are realized; the attached type vibration motor which is arranged in a layered and staggered mode is adopted, so that uniform and independent vibration of all parts of the tire membrane is guaranteed, and the compactness of the castable is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A lining pouring method of a telescopic tire membrane for the integral pouring of a steel tank lining comprises a shock absorption device, an adjusting device, a lifting device, a frame, an internal lighting device, a lubricating point, an electrical switch, a cable and a control power box, wherein the frame is formed by welding steel plates and sectional materials and is a framework of a tire membrane shell, a staircase is arranged in the tire membrane shell and is made of the sectional materials and welded on the frame, a telescopic system and a vibration system are arranged on the frame, the frame is divided into an upper part and a lower part, the upper part is a main frame, the lower part is a lifting frame, the telescopic system and the shell are connected with the main frame of the upper part, a centering system is connected with the lower part, the tire membrane shell comprises a telescopic door and two arc-shaped plates, the telescopic door is connected with the frame through a connecting rod, the two arc-shaped plates are connected with the frame through a hinge shaft, vibration system adheres to the inner wall that distributes at the fetal membrane casing, elevating gear comprises electronic jar of 4 lift, a set etc. electronic jar of electric, electronic jar welded fastening is in the main frame bottom, adjusting device includes electronic jar in 2 accents, support and guide rail, electronic jar welded fastening is in the lower part intermediate position of frame, its characterized in that: the method comprises the following steps:
The method comprises the following steps: uniformly coating butter on the outer wall of a telescopic tire membrane shell for integral casting of a steel ladle lining, and checking the surface cleanliness and the tire membrane integrity;
step two: sticking a light heat-insulating plate heat-insulating layer on the inner wall of the shell of the molten steel tank to be poured by using slurry, and staggering the gaps of the upper layer and the lower layer of the heat-insulating plate, wherein the plate gap is less than 5 mm;
step three: hanging the telescopic tire membrane for integral casting of the inner lining of the molten steel tank on a hoisting point by using a special hoisting tool from a maintenance station, hoisting the telescopic tire membrane to the molten steel tank of a to-be-cast permanent layer by using a crane, and longitudinally or transversely translating the tire membrane shell by using a positioning and centering device to ensure that the distance between the periphery of the outer wall of the tire membrane and the outer shell of the molten steel tank is basically equal, and the difference between the thickest part and the thinnest part on the same height is less than 25 mm;
step four: pulling out a connecting cable of the telescopic tire membrane for integral casting of the inner lining of the molten steel tank, and inserting the connecting cable into a jack at a corresponding position of a special power supply operation box near a casting station;
step five: placing a special circular top cover at the top end of the fetal membrane;
step six: adding the permanent layer castable into a stirrer in 8 batches, adding each batch at one time, dry-mixing for 1-2 minutes, adding water while stirring, controlling the water addition amount to be 1:16, stirring for 3-7 minutes after water is added, and discharging, wherein the stirring time is based on uniformly stirring the materials;
Step seven: opening the material stirred by the stirrer to be right above a ladle to be poured through the movable stirrer, opening an opening valve of a stirrer bin, putting the castable on the circular top cover, and allowing the castable to flow into a permanent layer pouring space along the wall of the tire membrane top cover;
step eight: after 3 batches of materials are continuously injected, a lower-layer vibration motor of a tire membrane is started, after 4 batches of casting materials are injected, a middle-layer vibration motor is started, after 6 batches of casting materials are injected, an upper-layer vibration motor is started, a lower-layer vibration motor is closed, and the starting time of the vibration motor is about 2-3 minutes when 1 batch of casting materials are injected, so that the casting materials are uniformly distributed, and after the last batch of casting materials are added, the vibration motor vibrates until the surface of the casting materials is subjected to slurry pouring but no air bubbles are discharged;
step nine: after the permanent layer is poured, statically curing for 36 hours;
step ten: when demoulding, firstly screwing out a screw rod of the mechanical positioning block, pulling out the positioning block up and down, then starting an electric cylinder of a telescopic system, moving a telescopic door to the center of the tire membrane, retracting a tire membrane shell inwards, separating from a castable, pulling out a cable, arranging in order, putting the cable at the top end of the tire membrane, commanding a travelling crane to lift out the tire membrane, and placing the tire membrane at an offline maintenance station;
step eleven: after demoulding, the ladle is hung to a roaster to be roasted, and the permanent layer is roasted for not less than 8 hours by small fire.
2. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the fetal membrane shell is a circular truncated cone-shaped steel structure formed by welding a steel plate and a section bar and is connected and matched with a circular top cover for use.
3. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the telescopic system comprises a telescopic door, a connecting rod, a shaft and an electric cylinder, one end of the connecting rod is connected to the telescopic door and the arc-shaped plate respectively, the other end of the connecting rod is connected to the electric cylinder, when the electric cylinder contracts, the pull rod is stressed to drive the telescopic door to move towards the center of the shell, the connecting rod drives the two arc-shaped steel plates to rotate by taking the hinge as a rotating point, the shell is rotated towards the center of the shell from two sides, the shell is telescopic, and the shell is separated from the pouring material, so that the demolding is realized.
4. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the vibration system comprises a vibration motor arranged on the inner side of a shell steel shell, the vibration motor is divided into an upper layer, a middle layer and a lower layer, 6 sets of vibration motors, 4 sets of vibration motors and 6 sets of vibration motors are arranged, the three layers of vibration motors are distributed according to equal angles and interlaminar dislocation shapes, and each layer can independently run.
5. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the shock absorption device is a cushion pad made of annular rubber products and fixedly connected to a steel plate at the bottom of the shell through bolts.
6. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the centering device comprises a lifting device and an adjusting device.
7. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the lifting points are 4 in number and are positioned on the same horizontal plane of the frame at the top cover, and each lifting point consists of 1 base, 2 amplitude plates and 1 shaft pin. Hoisting point base weld on the frame, and 1 circular port, two hole levels are concentric are respectively opened on 2 breadboards on the welding parallel welding of breadboard on the base, the frame.
8. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: be provided with the guardrail on the staircase, staircase one end is in maintenance platform department with the bearing welding, and maintenance platform relatively rotates, and when the fetal membrane was in maintenance platform, the staircase was rotatory after, can take at the top of fetal membrane casing.
9. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the permanent layer is cast by adopting a material containing Al2O3The amorphous castable has certain strength and linear change rate.
10. The method for casting the inner liner of the retractable tire casing for the integral casting of the inner liner of the molten steel tank as claimed in claim 1, wherein: the roaster is a device for roasting refractory materials of the inner lining of the molten steel tank, and takes mixed coal gas as fuel.
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| CN202011094015.0A CN112643017A (en) | 2020-10-14 | 2020-10-14 | Lining casting method of telescopic tire mold for integral casting of inner lining of molten steel tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433830A (en) * | 2022-02-21 | 2022-05-06 | 武汉精鼎科技股份有限公司 | Positioning method for permanent lining tire mold of steel ladle wall |
| CN116372150A (en) * | 2023-05-31 | 2023-07-04 | 亿川科技(成都)有限责任公司 | Automatic construction and beating system and method for ladle maintenance |
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| CN2612481Y (en) * | 2003-04-22 | 2004-04-21 | 中国冶金设备总公司 | Core mold for ladle integral casting |
| CN201223936Y (en) * | 2008-06-30 | 2009-04-22 | 上海国冶工程技术有限公司 | Pouring layer core mould with lateral wing support |
| CN201231313Y (en) * | 2008-06-30 | 2009-05-06 | 上海国冶工程技术有限公司 | Casting layer core mold with telescopic door |
| CN201231314Y (en) * | 2008-06-30 | 2009-05-06 | 上海国冶工程技术有限公司 | Casting layer core mold |
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2020
- 2020-10-14 CN CN202011094015.0A patent/CN112643017A/en active Pending
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| JPH05318093A (en) * | 1992-05-26 | 1993-12-03 | Harima Ceramic Co Ltd | Molding flask device for lining by monolithic refractories |
| JPH10216924A (en) * | 1997-01-31 | 1998-08-18 | Shinagawa Refract Co Ltd | Molding frame for executing lining refractory of ladle |
| JPH10300360A (en) * | 1997-04-25 | 1998-11-13 | Shinagawa Refract Co Ltd | Casting flask |
| CN2380328Y (en) * | 1999-07-07 | 2000-05-31 | 上海宝钢冶金建设公司 | Integrated casting mould-core for durable material of steel ladle lining |
| CN2612481Y (en) * | 2003-04-22 | 2004-04-21 | 中国冶金设备总公司 | Core mold for ladle integral casting |
| CN201223936Y (en) * | 2008-06-30 | 2009-04-22 | 上海国冶工程技术有限公司 | Pouring layer core mould with lateral wing support |
| CN201231313Y (en) * | 2008-06-30 | 2009-05-06 | 上海国冶工程技术有限公司 | Casting layer core mold with telescopic door |
| CN201231314Y (en) * | 2008-06-30 | 2009-05-06 | 上海国冶工程技术有限公司 | Casting layer core mold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433830A (en) * | 2022-02-21 | 2022-05-06 | 武汉精鼎科技股份有限公司 | Positioning method for permanent lining tire mold of steel ladle wall |
| CN116372150A (en) * | 2023-05-31 | 2023-07-04 | 亿川科技(成都)有限责任公司 | Automatic construction and beating system and method for ladle maintenance |
| CN116372150B (en) * | 2023-05-31 | 2023-09-08 | 亿川科技(成都)有限责任公司 | Automatic construction and beating system and method for ladle maintenance |
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