CN216427087U - Quartz lead smelting furnace - Google Patents
Quartz lead smelting furnace Download PDFInfo
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- CN216427087U CN216427087U CN202123366846.1U CN202123366846U CN216427087U CN 216427087 U CN216427087 U CN 216427087U CN 202123366846 U CN202123366846 U CN 202123366846U CN 216427087 U CN216427087 U CN 216427087U
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Abstract
The technical scheme of the utility model is realized like this: a quartz lead founding furnace comprises a hearth; the heating device is arranged at the upper end of the hearth, inserted into the hearth and used for heating the inside of the hearth; the heat insulation structure is wrapped outside the hearth; the bearing mechanism is used for supporting and placing quartz raw materials; the hearth is arranged into a split structure which can be disassembled up and down; a water jacket for cooling is arranged at the bottom of the hearth; the utility model has the advantages that: the stability is high, and the prepared quartz weight is stable.
Description
Technical Field
The utility model belongs to the technical field of the founding furnace technique and specifically relates to a quartz stone roller founding furnace.
Background
In recent years, the rapid development of the optical communication industry, the semiconductor industry, the solar photovoltaic industry and the aerospace industry in China provides a wider market for the development of the quartz glass industry in China, and the quartz mound is an important basic blank for producing quartz products with various shapes such as pipes, rods, plates and the like; in the production of synthetic quartz glass, silicon tetrachloride undergoes a hydrolysis reaction with high-temperature water vapor formed by oxyhydrogen flame to form silica fine particles, and these fine particles are gradually deposited on a quartz substrate in a furnace. With the continuous supply of raw materials, the hydrolysis reaction is continuously carried out, the deposition of fine silicon dioxide particles leads the weight deposition surface to become thicker, and the weight is gradually increased and the length is increased under the drive of the weight machine.
The existing quartz product melting furnace, such as the melting furnace disclosed in patent publication No. CN101148311B, is the same as the existing melting furnace and is suitable for manufacturing quartz products, along with the development of the market, the development of the quartz stone technology towards large size is imperative, because of the need to produce large-size quartz products, the corresponding size of the melting furnace also needs to be increased correspondingly, especially in the preparation process of the hearth, the inner diameter of the zirconia-corundum hearth is more than 700mm, the total weight is more than 500 kg, collapse is easy to occur in the sintering process of the large-size hearth, the difficulty of the manufacturing technology of the hearth is greatly increased, the sintering yield process is very low, and the preparation of the large-size hearth has certain difficulty; meanwhile, because high temperature in a hearth needs to be ensured for a long time when quartz products are manufactured, the combustion nozzle of the oxyhydrogen burner in the conventional melting furnace is easy to burn unstably and even damage after working for a long time, but the high temperature in the furnace is not suitable for replacing the combustion nozzle, so that great economic loss is brought.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a quartz stone roller founds stove for solve the problem among the above-mentioned background art.
The technical scheme of the utility model is realized like this: the utility model provides a quartz mound founds stove which characterized in that: comprises a hearth; the heating device is arranged at the upper end of the hearth, inserted into the hearth and used for heating the inside of the hearth; the heat insulation structure is wrapped outside the hearth; the bearing mechanism is used for supporting and placing quartz raw materials; the hearth is of a split structure which can be disassembled up and down; and a water jacket for cooling is arranged at the bottom of the hearth.
Through setting up furnace to split type structure, when making furnace, separately make upper and lower two parts, break current integral type design, can reduce the manufacturing degree of difficulty of jumbo size furnace by a wide margin, improve the yield that furnace was made simultaneously, and be convenient for make the adjustment furnace structure according to actual conditions.
Preferably: the hearth comprises a combustion section and a forming section arranged at the lower end of the combustion section, the diameter of an opening in the forming section is gradually increased from top to bottom, and an observation hole is formed in the forming section; the combustion section and the forming section are arranged in an inserting manner, specifically, an inserting block is fixed at the bottom of the combustion section, and an inserting groove for inserting the bottom of the combustion section is formed at the upper end of the forming end; simultaneously with the inside opening diameter of shaping section from last gradual increase setting down, be about to the opening of car type section set up to loudspeaker form, the heat dissipation of the quartz mound in the shaping district of being convenient for makes its cooling shaping rapidly.
In addition, a smoke collecting cover is arranged at the bottom of the hearth and is provided with a smoke conveying pipe, smoke generated in the production process is discharged, the pollution to the working environment is avoided, and meanwhile, heat lost in the manufacturing process is recycled, so that the energy and the source are saved; meanwhile, in the utility model, the forming height and the diameter ratio of the large-diameter furnace are 1:1.1, the length of the furnace is prolonged, the smelting forming distance is lengthened, and the stable forming of the quartz mound is ensured.
Preferably: the heat insulation structure comprises a first heat insulation cotton layer, heat insulation bricks and a second heat insulation cotton layer which are sequentially arranged from inside to outside, and the thickness of the second heat insulation cotton layer is 50 mm; reducing heat loss and improving the guarantee effect.
Preferably: the bearing mechanism comprises a target support, and the target support is of a stepped structure with the diameter gradually reduced from top to bottom; set up the target holder into stair structure, can reduce the whole weight of target holder, reduce equipment load, can choose the bottom of target holder for use simultaneously with the different refractory material of top quartz material, adopt different material components of a whole that can function independently connection, cost reduction, and avoid because of jumbo size target holder heat conduction inequality, the heat transfer heat stress concentration that appears slowly explodes the phenomenon of splitting easily, the echelonment structure heat transfer of being convenient for, it is safe in utilization stably.
Preferably: the heating device comprises an installation cylinder and a heating device, wherein the installation cylinder is arranged at an opening at the top of the hearth and comprises a cylinder body and a sealing flange which is arranged at the upper end of the cylinder body and is inserted into the cylinder body; the sealing sleeve is positioned between the hearth and the pressing cylinder; one end of the raw material pipe is connected to the sealing flange and communicated with the interior of the cylinder body, and the raw material pipe is used for conveying fuel into the cylinder body; the mounting holes are uniformly formed in the bottom of the barrel and are communicated with the barrel and the hearth; the combustion unit is arranged in each mounting hole; and the adjusting unit is arranged in the cylinder body and used for controlling the opening and closing of the mounting hole.
Preferably: the adjusting unit comprises a first opening and closing plate which is circularly arranged in the cylinder body and used for opening and closing a mounting hole in the center of the bottom of the cylinder body; the second opening and closing plate is annularly arranged in the cylinder body and used for opening and closing the mounting hole at the bottom edge of the cylinder body; the motor is arranged at the bottom of the sealing flange; the threaded rod is vertically arranged in the barrel and is controlled by a motor to rotate, and the first opening and closing plate is sleeved on the threaded rod in a threaded manner; the limiting rod is vertically arranged in the cylinder body, is positioned on one side of the threaded rod, penetrates through the first opening and closing plate and is in sliding connection with the first opening and closing plate; the fixed pulley is fixed at the bottom of the sealing flange; and two ends of the transmission rope are respectively fixedly connected with the first opening and closing plate and the second opening and closing plate and penetrate through the fixed pulley, and a balancing weight is fixed on the second opening and closing plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a hearth according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a heating apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic view of a layout of mounting holes according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a combustion unit according to an embodiment of the present invention;
the examples in the figure are:
1. a hearth; 101. a combustion section; 102. a forming section;
2. a heating device; 21. a barrel; 22. sealing the flange; 23. sealing sleeves; 24. a raw material pipe; 25. mounting holes; 26. a combustion unit; 261. a limiting cylinder; 262. a combustion nozzle; 263. a movable groove; 264. a movable ring; 265. a spring; 27. an adjustment unit; 271. a first opening/closing plate; 272. a second opening and closing plate; 273. a motor; 274. a threaded rod; 275. a limiting rod; 276. a fixed pulley; 277. a drive rope; 278. a balancing weight;
3. a heat preservation structure; 31. a first heat-insulating cotton layer; 32. insulating bricks; 33. a second heat-insulating cotton layer;
4. a target holder;
5. a water jacket;
6. a fume collecting hood.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, the utility model discloses a quartz lead smelting furnace, which comprises a furnace chamber 1 in the specific embodiment of the utility model; the heating device 2 is arranged at the upper end of the hearth 1, inserted into the hearth 1 and used for heating the inside of the hearth 1; the heat insulation structure 3 is wrapped outside the hearth 1; the bearing mechanism is used for supporting and placing quartz raw materials; the hearth 1 is of a split structure which can be disassembled up and down; and a water jacket 5 for cooling is arranged at the bottom of the hearth 1.
Through setting up furnace 1 into split type structure, when making furnace 1, separately make upper and lower two parts, break current integral type design, can reduce the manufacturing degree of difficulty of jumbo size furnace 1 by a wide margin, improve the yield that furnace 1 made simultaneously, and be convenient for make adjustment furnace 1 structure according to actual conditions.
In this embodiment, the furnace 1 includes a combustion section 101 and a forming section 102 disposed at a lower end of the combustion section 101, a diameter of an inner opening of the forming section 102 is gradually increased from top to bottom, and an observation hole is formed in the forming section 102; the combustion section 101 and the forming section 102 are arranged in an inserting manner, specifically, an inserting block is fixed at the bottom of the combustion section 101, and an inserting groove for inserting the bottom of the combustion section 101 is formed at the upper end of the forming end; meanwhile, the diameter of the opening in the forming section 102 is gradually increased from top to bottom, namely, the opening of the vehicle-shaped section is in a horn shape, so that heat dissipation of the quartz mound in the forming area is facilitated, and the quartz mound is rapidly cooled and formed.
In addition, a smoke collecting cover 6 is arranged at the bottom of the hearth 1, a smoke conveying pipe is arranged on the smoke collecting cover 6, smoke generated in the production process is discharged, the pollution to the working environment is avoided, and meanwhile, lost hot gas in the manufacturing process is recycled, so that energy and source are saved; meanwhile, in the utility model, the forming height and the diameter ratio of the large-diameter furnace 1 are 1:1.1, the length of the furnace 1 is prolonged, the smelting forming distance is lengthened, and the stable forming of the quartz lead is ensured.
In this embodiment, the heat insulation structure 3 includes a first heat insulation cotton layer 31, a heat insulation brick 32 and a second heat insulation cotton layer 33, which are sequentially arranged from inside to outside, and the thickness of the second heat insulation cotton layer 33 is 50 mm; reducing heat loss and improving the guarantee effect.
In the embodiment, the bearing mechanism comprises a target holder 4, and the target holder 4 is arranged into a stepped structure with the diameters decreasing from top to bottom; set up target holder 4 into stair structure, can reduce target holder 4's whole weight, reduce equipment load, can choose the bottom of target holder 4 simultaneously for use with the different refractory material of top quartz material, adopt different material components of a whole that can function independently to be connected, cost reduction, and avoid because of the phenomenon that the thermal stress concentration that 4 heat conduction inequality, heat transfer appear slowly of jumbo size target holder explodes easily, echelonment structure heat transfer of being convenient for, it is safe in utilization stably.
Example 2
As shown in fig. 3 and 4, in the present embodiment, the heating device 2 includes a mounting cylinder disposed at the top opening of the furnace 1, and the mounting cylinder includes a cylinder body 21 and a sealing flange 22 disposed at the upper end of the cylinder body 21 and inserted into the cylinder body 21; the sealing sleeve 23 is positioned between the hearth 1 and the pressing cylinder; a raw material pipe 24 having one end connected to the sealing flange 22 and communicating with the inside of the cylinder 21, for feeding fuel into the cylinder 21; the mounting holes 25 are uniformly formed in the bottom of the cylinder 21 and are communicated with the cylinder 21 and the hearth 1; combustion units 26 provided in the respective mounting holes 25; and the adjusting unit 27 is arranged in the cylinder 21 and used for controlling the opening and closing of the mounting hole 25.
As shown in fig. 5, in the present embodiment, the combustion unit 26 includes a limit cylinder 261, the limit cylinder 261 is detachably and hermetically installed in the installation hole 25, and the limit cylinder 261 is opened at the upper and lower sides; the combustion nozzle 262 is arranged in the limiting cylinder 261 and can move up and down in the limiting cylinder 261; the movable groove 263 is arranged on the inner side wall of the limiting cylinder 261; a movable ring 264 fixed to the burner head 262, positioned in the movable groove 263, and movable up and down in the movable groove 263; and a spring 265 at the lower end of the movable ring 264 and connecting the movable ring 264 and the bottom wall of the movable groove 263.
In this embodiment, the adjusting unit 27 includes a first opening/closing plate 271, which is circularly disposed in the cylinder 21 and is used for opening and closing the mounting hole 25 at the bottom center of the cylinder 21; the second opening and closing plate 272 is annularly arranged in the cylinder body 21 and is used for opening and closing the mounting hole 25 at the bottom edge of the cylinder body 21; a motor 273 installed at the bottom of the sealing flange 22; the threaded rod 274 is vertically arranged in the barrel 21 and is controlled by the motor 273 to rotate, and the first opening and closing plate 271 is sleeved on the threaded rod 274 in a threaded manner; the limiting rod 275 is vertically arranged in the barrel 21, is positioned on one side of the threaded rod 274, penetrates through the first opening and closing plate 271 and is in sliding connection with the first opening and closing plate 271; a fixed pulley 276 fixed at the bottom of the sealing flange 22; two ends of the transmission rope 277 are respectively fixedly connected with the first opening and closing plate 271 and the second opening and closing plate 272 and pass through the fixed pulley 276, and a counterweight 278 is fixed on the second opening and closing plate 272.
Before combustion heating work, a starting motor drives a threaded rod to rotate, under the limit of a limiting rod, a first opening and closing plate moves downwards along the threaded rod to be attached to the bottom wall of a cylinder body to close a mounting hole in the middle, when the first opening and closing plate moves downwards, a second opening and closing plate moves upwards under the drive of a transmission rope to open the mounting hole close to the outer side, then fuel is input, in the embodiment, oxyhydrogen fuel enters the cylinder body and then enters an outer mounting hole to enter the limiting cylinder, the fuel is sprayed out from a combustion nozzle to heat, when the fuel enters the limiting cylinder, the combustion nozzle is pressed downwards due to the increase of pressure, a movable ring presses a spring downwards to push the combustion nozzle out of the cylinder body to enable the combustion nozzle to burn outside the cylinder body, when the combustion nozzle needs to be replaced to work, the starting motor drives the first plate to ascend to open the mounting hole in the middle, meanwhile, the second opening and closing plate moves downwards under the action of self gravity and the balancing weight to close the external mounting hole, the combustion nozzle in the external mounting hole contracts into the limiting barrel under the action of the spring, and the combustion nozzle in the middle moves downwards under the action of pressure to penetrate out of the spring to perform combustion work.
Through the technical scheme, the first opening and closing plate and the second opening and closing plate are driven to move through the driving of the motor, partial combustion nozzles are selected for heating, one group of combustion nozzles can be switched to work through the control motor after working for a long time, the switching is stable and convenient through the switching work of the two groups of combustion nozzles, no replacement gap exists, the problem that the preparation of quartz stone rollers is influenced due to the fact that the temperature in a hearth is reduced without a heat source when the combustion nozzles are replaced is avoided, when one group of combustion nozzles are damaged or unstable in working, the other group of nozzles are used for working through the control motor in time, the use is convenient, and the situation that the processing cannot be continued when the combustion nozzles are damaged is avoided; the sealing flange and the cylinder body are separately arranged, so that the installation and the disassembly are convenient, and the replacement and the maintenance of the gas nozzle at the later stage are convenient; by adopting the arrangement of the spring, the unused combustion nozzle is extruded by the spring in the limiting barrel, the high-temperature damage is avoided, and the used combustion nozzle is extruded by gas and enters the hearth, so that the safety and the stability of the furnace body can be ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a quartz mound founds stove which characterized in that: comprises that
A hearth;
the heating device is arranged at the upper end of the hearth, inserted into the hearth and used for heating the inside of the hearth;
the heat insulation structure is wrapped outside the hearth;
the bearing mechanism is used for supporting and placing quartz raw materials;
the hearth is of a split structure which can be disassembled up and down.
2. The quartz mound smelting furnace according to claim 1, characterized in that: the furnace includes the burning section and locates the shaping section of burning section lower extreme, the inside opening diameter of shaping section is from last to increasing gradually down.
3. The quartz mound smelting furnace according to claim 1, characterized in that: the heat insulation structure comprises a first heat insulation cotton layer, heat insulation bricks and a second heat insulation cotton layer which are sequentially arranged from inside to outside.
4. The quartz mound smelting furnace according to claim 1, characterized in that: the bearing mechanism comprises a target support, and the target support is of a stepped structure with the diameter gradually reduced from top to bottom.
5. The quartz mound smelting furnace according to any one of claims 1 to 4, characterized in that: the heating device comprises
The mounting cylinder is arranged at an opening at the top of the hearth and comprises a cylinder body and a sealing flange which is arranged at the upper end of the cylinder body and inserted into the cylinder body;
the sealing sleeve is positioned between the hearth and the mounting barrel;
one end of the raw material pipe is connected to the sealing flange and communicated with the interior of the cylinder body, and the raw material pipe is used for conveying fuel into the cylinder body;
the mounting holes are uniformly formed in the bottom of the barrel and are communicated with the barrel and the hearth;
the combustion unit is arranged in each mounting hole and at least comprises a combustion nozzle;
and the adjusting unit is arranged in the cylinder body and used for controlling the opening and closing of the mounting hole.
6. The quartz mound smelting furnace according to claim 5, characterized in that: the adjusting unit comprises
The first opening and closing plate is circularly arranged in the cylinder and used for opening and closing the mounting hole in the center of the bottom of the cylinder;
the second opening and closing plate is annularly arranged in the cylinder body and used for opening and closing the mounting hole at the bottom edge of the cylinder body; the motor is arranged at the bottom of the sealing flange;
the threaded rod is vertically arranged in the barrel and is controlled by a motor to rotate, and the first opening and closing plate is sleeved on the threaded rod in a threaded manner;
the limiting rod is vertically arranged in the cylinder body, is positioned on one side of the threaded rod, penetrates through the first opening and closing plate and is in sliding connection with the first opening and closing plate;
the fixed pulley is fixed at the bottom of the sealing flange;
and two ends of the transmission rope are respectively fixedly connected with the first opening and closing plate and the second opening and closing plate and penetrate through the fixed pulley, and a balancing weight is fixed on the second opening and closing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366846.1U CN216427087U (en) | 2021-12-29 | 2021-12-29 | Quartz lead smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366846.1U CN216427087U (en) | 2021-12-29 | 2021-12-29 | Quartz lead smelting furnace |
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| CN216427087U true CN216427087U (en) | 2022-05-03 |
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| CN202123366846.1U Active CN216427087U (en) | 2021-12-29 | 2021-12-29 | Quartz lead smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349310A (en) * | 2021-12-29 | 2022-04-15 | 中建材衢州金格兰石英有限公司 | Large-diameter quartz lead smelting furnace |
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2021
- 2021-12-29 CN CN202123366846.1U patent/CN216427087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349310A (en) * | 2021-12-29 | 2022-04-15 | 中建材衢州金格兰石英有限公司 | Large-diameter quartz lead smelting furnace |
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