CN219079791U - Continuous alumina fiber water thorn paper preparation facilities - Google Patents
Continuous alumina fiber water thorn paper preparation facilities Download PDFInfo
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- CN219079791U CN219079791U CN202223361142.XU CN202223361142U CN219079791U CN 219079791 U CN219079791 U CN 219079791U CN 202223361142 U CN202223361142 U CN 202223361142U CN 219079791 U CN219079791 U CN 219079791U
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Abstract
The utility model discloses a continuous alumina fiber spunlaced paper preparation device, and belongs to the technical field of textile materials. The device comprises a storage tank, the storage tank is connected with a spinning die through a pipeline, a draft device is arranged below the spinning die, a negative pressure suction fan is arranged below the draft device, a mesh belt is arranged between the draft device and the negative pressure suction fan, a conveyor belt is arranged below the mesh belt, a high-temperature furnace, a hydroentangling machine and a dryer are arranged on one side of the draft device, and the conveyor belt drives the mesh belt between the draft device and the negative pressure suction fan to sequentially pass through the high-temperature furnace, the hydroentangling machine and the dryer. The alumina fiber filament prepared by the utility model is not easy to break, has high molding strength and does not influence the subsequent practical application; the front and back sides are subjected to hydroentanglement to ensure that the two sides of the fiber paper have good flatness, the damage to the continuous alumina fiber is small, and the impurity brought in the hydroentanglement process is less.
Description
Technical Field
The utility model relates to a continuous alumina fiber spunlaced paper preparation device, and belongs to the technical field of textile materials.
Background
The alumina fiber belongs to high-performance ceramic fiber, has high tensile strength, elastic modulus and good electrical insulation property, can keep good chemical stability in an oxidizing atmosphere, has the advantages of small heat conductivity, low thermal expansion coefficient, good thermal shock resistance and the like, and is mainly applied to the fields of refractory materials, structural reinforcing materials and environmental protection recycling.
In recent years, with the continuous updating and iteration of high-temperature end parts, the aluminum oxide felt is pursued to be light, and products such as aluminum oxide fiber paper are gradually evolved. The alumina fiber paper has light weight and excellent high temperature resistance, wherein the fiber paper can be cut into various shapes for being made into flange gaskets or other high temperature heat insulation fields. The forming process is to cut alumina fiber, pulp, add corresponding adhesive, dispersant, etc. during the process and form. However, the alumina fiber paper formed by the chopped fibers through binder processing has poor surface flatness, large surface density and lack of continuous fibers, and the phenomena of fracture failure, binder debonding and the like of the chopped fibers are easily caused when the chopped fibers are stretched by external force, so that the forming strength is insufficient, and the subsequent practical application is affected.
Therefore, the research on the preparation device of the continuous alumina fiber spunlaced paper with high tensile strength and ultrathin property has great significance.
Disclosure of Invention
[ technical problem ]
At present, alumina fiber paper formed by processing chopped fibers through a binder is poor in surface evenness, large in surface density and short of continuous fibers, the chopped fibers are easy to break and lose efficacy, binder is not sticky when being stretched by external force, and the forming strength is insufficient, so that the follow-up practical application is influenced; alumina fibers have problems of large brittleness, low elongation, and the like, which makes it difficult to prepare continuous alumina fiber paper.
Technical scheme
In order to solve the problems, the utility model provides a continuous alumina fiber spunlaced paper preparation device.
The utility model provides a continuous alumina fiber spunlaced paper preparation device which comprises a storage tank, wherein the storage tank is connected with a spinning die through a pipeline, a draft device is arranged below the spinning die, a negative pressure suction fan is arranged below the draft device, a mesh belt is arranged between the draft device and the negative pressure suction fan, a conveyor belt is arranged below the mesh belt, a high-temperature furnace, a spunlaced machine and a dryer are arranged on one side of the draft device, and the conveyor belt drives the mesh belt between the draft device and the negative pressure suction fan to sequentially pass through the high-temperature furnace, the spunlaced machine and the dryer.
In one embodiment of the utility model, a plurality of spinning holes are arranged in the spinning die, and materials in the storage tank enter a drafting device through the spinning holes of the spinning die for drafting.
In one embodiment of the utility model, a plurality of hydroentangling heads are arranged in the hydroentangling machine, and the plurality of hydroentangling heads are positioned at the upper end and the lower end of the mesh belt.
In one embodiment of the utility model, the material storage tank is connected with a screw extruder, and the screw extruder is used for conveying materials in the material storage tank to the spinning die through the pipeline.
In one embodiment of the utility model, the pipeline is provided with a safety valve and a metering pump.
In one embodiment of the utility model, a winding device is arranged at the end part of the conveyor belt and is used for winding the prepared continuous alumina fiber paper.
In one embodiment of the utility model, the winding device is a roller.
In one embodiment of the utility model, the diameter of the spinneret orifice is 0.5-0.8mm.
In one embodiment of the present utility model, the safety valve is a solenoid valve or an electrically operated valve.
In one embodiment of the utility model, the continuous alumina fiber paper has a thickness of 0.1 to 0.5mm.
Advantageous effects
(1) According to the utility model, the alumina fiber filaments prepared by the continuous alumina fiber spunlaced paper preparation device are not easy to break, the length of the alumina fiber filaments is 20% higher than that of common alumina filaments, and the continuous alumina fiber paper can be prepared.
(2) The water needling machine is internally provided with the plurality of water needling heads, the plurality of water needling heads are positioned at the upper end and the lower end of the mesh belt, and the two sides of the continuous alumina fiber paper are subjected to water needling on the front side and the back side to ensure that the two sides of the continuous alumina fiber paper have better flatness, so that the continuous alumina fiber is less damaged, and the impurity brought in the water needling process is less.
(3) Compared with common chopped fiber paper, the tensile strength of the continuous alumina fiber paper prepared by the utility model is improved by more than 38.7 percent; due to the lack of the short fiber binder, the surface density can be reduced by 13.2%, the ultra-thin effect is achieved, the phenomena of fracture failure, binder adhesion removal and the like of the chopped fibers caused when the chopped fibers are stretched by external force can be avoided, the molding strength is high, and the subsequent practical application is not influenced.
(4) The pipeline is provided with the safety valve and the metering pump, and the safety valve and the metering pump can observe and regulate the capacity and the flow rate of materials in the pipeline at any time.
(5) According to the utility model, the internal temperature of the drafting device is adjusted to be dried, so that the precursor alumina fiber can be ensured to be stably molded; the continuous alumina fiber filament is pulled by the meshes in the drafting device, so that the stable passing of the continuous alumina fiber filament can be ensured.
(6) The negative pressure of the negative pressure suction fan cuts off the continuous alumina fiber filaments at the bottom of the drafting device, falls into the mesh belt to be gradually layered and meshed, and then is conveyed into a high-temperature furnace for sintering through the conveying belt.
(7) The dryer provided by the utility model can effectively remove water brought by the water thorn of the water thorn machine.
Drawings
FIG. 1 is a schematic structural view of a continuous alumina fiber spunlaced paper manufacturing apparatus of the present utility model;
FIG. 2 is a schematic diagram of the positional relationship between a hydroentangling head and a continuous alumina fiber paper in a hydroentangling machine according to the present utility model.
FIG. 3 is a flow chart of a process for preparing continuous alumina fiber spunlaced paper of the utility model.
Wherein: 1. a storage tank; 2. a safety valve; 3. a metering pump; 4. continuous alumina fibers; 5. a drafting device; 6. a negative pressure suction fan; 7. a high temperature furnace; 8. a hydroentangling machine; 9. a dryer; 10. a winding device; 11. a water jet head; 12. continuous alumina fiber paper; 13. a mesh belt; 14. a conveyor belt; 15. and (5) a spinning die.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Example 1
As shown in fig. 1 and 2, the embodiment provides a continuous alumina fiber spunlaced paper preparation device, which comprises a storage tank 1, wherein the storage tank 1 is connected with a spinning die 15 through a pipeline, a drafting device 5 is arranged below the spinning die 15, a plurality of spinning holes are arranged in the spinning die 15, and materials in the storage tank 1 enter the drafting device 5 through the plurality of spinning holes of the spinning die 15 to be drafted to form continuous alumina fiber 4 filaments; the negative pressure suction fan 6 is arranged below the draft device 5, the mesh belt 13 is arranged between the draft device 5 and the negative pressure suction fan 6, the conveyer belt 14 is arranged below the mesh belt 13, the high-temperature furnace 7, the hydroentanglement machine 8 and the dryer 9 are arranged on one side of the draft device 5, and the conveyer belt 14 drives the mesh belt 13 between the draft device 5 and the negative pressure suction fan 6 to sequentially pass through the high-temperature furnace 7, the hydroentanglement machine 8 and the dryer 9.
Further, a plurality of hydroentangling heads 11 are arranged in the hydroentangling machine 8, the plurality of hydroentangling heads 11 are positioned at the upper end and the lower end of the mesh belt 13, and the two sides of the continuous alumina fiber paper 12 are subjected to hydroentangling to ensure that the two sides of the continuous alumina fiber paper have good flatness. Specifically, the continuous alumina fiber paper 12 is located above the mesh belt 13, the mesh belt 13 is located above the conveyor belt 14, and one row of the plurality of hydroentangled heads 11 is located above the continuous alumina fiber paper 12 and faces the front surface of the continuous alumina fiber paper 12; another row of hydroentangling heads 11 is located within the conveyor belt 14 towards the opposite side of the continuous alumina fiber paper 12. Since the mesh openings are arranged on the mesh belt 13 and the conveyor belt 14, the hydroentangling head 11 positioned below the continuous alumina fiber paper 12 can also hydroentangle the reverse side of the continuous alumina fiber paper 12.
Optionally, a screw extruder (not shown in fig. 1) is connected to the storage tank 1, and the screw extruder is used to convey the material in the storage tank 1 to the spinning die 15 through the pipe. Optionally, the screw speed of the screw extruder is 70-100rpm.
Further, the pipeline is provided with the safety valve 2 and the metering pump 3, and the safety valve 2 and the metering pump 3 can observe and adjust the capacity and the flow rate of materials in the pipeline at any time. Optionally, the rotating speed of the metering pump 3 is 0.1-0.3r/min; the safety valve 2 is an electromagnetic valve or an electric valve.
Optionally, a winding device 10 is provided at the end of the conveyor belt 14, and the winding device 10 is used for winding the produced continuous alumina fiber paper 12. Optionally, the winding device 10 is a roller.
Optionally, the diameter of the spinneret orifice is 0.5-0.8mm.
Optionally, the draft tension of the draft device 5 is controlled between 10-15N.
Optionally, the rotating speed of the negative pressure suction fan 6 is 500-700r/min; the negative pressure is 200-300Pa.
Optionally, the conveyor 14 has a speed of 0.6-1m/min.
Optionally, the number of the 11 hydroentangled heads is 7-12, the hydroentangled pressure is 60-120Bar, the hydroentangled distance is 10-15mm, and the hydroentangled diameter is 1-2mm; the density of the water thorn is 20 to 30 thorns/cm 2 。
Optionally, the continuous alumina fiber paper 12 has a thickness of 0.1 to 0.5mm.
The working flow of the utility model is as follows:
(1) Polymerizing aluminoxane polymer and water to obtain aluminoxane compound, dissolving the aluminoxane compound in an organic solvent, and adding silicate to prepare a blending material for spinning;
(2) Conveying the blending material prepared in the step (1) to a metering pump through a screw extruder to reach a spinning die, spinning by the spinning die, forming in a drafting device, drying to obtain alumina precursor fiber filaments, and sucking the alumina precursor fiber filaments into a mesh belt to form a mesh by negative pressure formed by a suction fan at the bottom of the device;
(3) Conveying the fiber formed in the step (2) to a high-temperature furnace through a conveying belt for sintering, conveying the fiber to a hydroentangling machine for hydroentangling through the conveying belt, drying to obtain continuous alumina fiber paper, and finally rolling the continuous alumina fiber paper by a rolling device to obtain a finished product.
Example 2
As shown in fig. 3, this embodiment provides a continuous alumina fiber spunlaced paper manufacturing process, which adopts the continuous alumina fiber spunlaced paper manufacturing device provided in embodiment 1, and includes the following steps:
(1) Polymerizing aluminoxane polymer and water to obtain aluminoxane compound, dissolving the aluminoxane compound in organic solvent, and adding silicate to obtain a blending material for spinning;
(2) Conveying the blending material prepared in the step (1) to a metering pump through a screw extruder to reach a spinning die, spinning by the spinning die, forming in a drafting device, drying to obtain alumina precursor fiber filaments, and sucking the alumina precursor fiber filaments into a mesh belt to form a mesh by negative pressure formed by a suction fan at the bottom of the device;
(3) Conveying the fiber formed in the step (2) to a high-temperature furnace through a conveying belt for sintering, conveying the fiber to a hydroentangling machine for hydroentangling through the conveying belt, drying to obtain continuous alumina fiber paper, and finally rolling the continuous alumina fiber paper by a rolling device to obtain a finished product.
Optionally, the aluminoxane polymer in the step (1) is alkyl aluminum, silicate is silicate, and the organic solvent is diethyl ether;
optionally, the screw speed of the screw extruder in the step (2) is 70-100rpm, and more preferably 90rpm;
optionally, the diameter of the spinneret holes in the step (2) is 0.5-0.8mm;
optionally, the rotating speed of the metering pump in the step (2) is 0.1-0.3r/min;
optionally, controlling the drafting tension of the drafting device in the step (2) to be between 10 and 15N;
optionally, the rotating speed of the negative pressure suction fan in the step (2) is 500-700r/min; the negative pressure is 200-300Pa;
optionally, the length of the alumina fiber filament in the step (2) is 13-18cm;
optionally, the drying temperature in the step (2) is 120-140 ℃; further preferably 130 ℃;
optionally, the speed of the conveyor belt in the step (3) is 0.6-1m/min;
optionally, the sintering temperature in the step (3) is 1000-1300 ℃;
optionally, the number of the water jet heads in the step (3) is 7-12, the water jet pressure is 60-120Bar, the water jet distance is 10-15mm, and the water jet diameter is 1-2mm; the density of the water thorn is 20 to 30 thorns/cm 2 ；
Optionally, the hydroentangling process in the step (3) is front and back hydroentangling;
optionally, the drying temperature in the step (3) is 100-110 ℃, and further preferably 105 ℃;
optionally, the thickness of the continuous alumina fiber paper in the step (3) is 0.1-0.5mm; the surface density is 30-40g/m 2 ；
Optionally, the winding speed in the step (3) is 0.6-1m/min;
example 3
The preparation process of the continuous alumina fiber spunlaced paper with the thickness of 0.5mm comprises the following steps:
the alkyl aluminum and water are used as raw materials to polymerize into aluminoxane compound, the aluminoxane compound is dissolved in diethyl ether solvent, and silicate is added to prepare the viscous blending material for spinning. The blend was then charged to a storage tank, the machine was turned on, and the screw extruder was started to run at 70 rpm. At this time, the blended material started to pass through the relief valve to the metering pump at a speed of 0.3r/min. The diameter of the spinneret orifice is adjusted to be 0.05mm, and the material is waited to be sprayed out from the spinneret orifice.
The internal temperature of the drafting device is regulated, the temperature is constantly raised at the temperature raising rate of 20 ℃/min, the temperature reaches 130 ℃ for constant heat preservation, the precursor alumina fiber is dried, and the stable molding of the precursor alumina fiber is ensured. The continuous alumina fiber filament is pulled by the meshes in the drafting device, the tension is controlled between 10N and 15N, and the stable passing of the continuous alumina fiber filament is ensured.
Starting a negative pressure suction fan, adjusting the rotating speed of the negative pressure suction fan to be 500r/min and the negative pressure to be 200Pa, and cutting off continuous alumina fiber filaments at the bottom of the drafting device under the action of the negative pressure, and gradually layering and forming a net after falling into a net belt. The speed of the conveyor belt is regulated to be 0.6m/min, and the conveyor belt is conveyed into a high-temperature furnace for sintering.
The temperature in the high temperature furnace is adjusted to 1000 ℃, and the layering netlike precursor continuous alumina fiber conveyed by the conveyor belt is sintered and molded and then conveyed to the hydroentangler through the conveyor belt. The number of the water jet heads is adjusted to be 12, the water jet pressure is 100Bar, the water jet distance is 10mm, and the water jet diameter is 1mm; the density of the water thorns is 25 thorns/cm 2 The front and back sides are subjected to water jet to ensure that the two sides have better flatness. After the hydroentanglement is finished, the water is conveyed to a dryer, and the temperature of the dryer is adjusted to 105 ℃ to remove the water brought by the hydroentanglement process. And finally, winding the yarn at a speed of 1m/min by a winding device.
Example 4
The preparation process of the continuous alumina fiber spunlaced paper with the thickness of 2mm comprises the following steps:
the alkyl aluminum and water are used as raw materials to polymerize into aluminoxane compound, the aluminoxane compound is dissolved in diethyl ether solvent, and silicate is added to prepare the viscous blending material for spinning. The blend was then charged to a storage tank, the machine was turned on, and the screw extruder was started to run at 70 rpm. At this time, the blended material started to pass through the relief valve to the metering pump at a speed of 0.3r/min. The diameter of the spinneret orifice is adjusted to be 0.05mm, and the material is waited to be sprayed out from the spinneret orifice.
The internal temperature of the drafting device is regulated, the temperature is constantly raised at the temperature raising rate of 20 ℃/min, the temperature reaches 130 ℃ for constant heat preservation, the precursor alumina fiber is dried, and the stable molding of the precursor alumina fiber is ensured. The continuous alumina fiber filament is pulled by the meshes in the drafting device, the tension is controlled between 10N and 15N, and the stable passing of the continuous alumina fiber filament is ensured.
Starting a negative pressure suction fan, adjusting the rotating speed of the negative pressure suction fan to be 500r/min and the negative pressure to be 200Pa, and cutting off continuous alumina fiber filaments at the bottom of the drafting device under the action of the negative pressure, and gradually layering and forming a net after falling into a net belt. The speed of the conveyor belt is regulated to be 1m/min, and the conveyor belt is conveyed into a high-temperature furnace for sintering.
The temperature in the high temperature furnace is adjusted to 1000 ℃, and the layering netlike precursor continuous alumina fiber conveyed by the conveyor belt is sintered and molded and then conveyed to the hydroentangler through the conveyor belt. The number of the water jet heads is adjusted to be 12, the water jet pressure is 100Bar, the water jet distance is 10mm, and the water jet diameter is 1mm; the density of the water thorns is 30 thorns/cm 2 The front and back sides are subjected to water jet to ensure that the two sides have better flatness. After the hydroentanglement is finished, the water is conveyed to a dryer, and the temperature of the dryer is adjusted to 105 ℃ to remove the water brought by the hydroentanglement process. And finally, winding the yarn at a speed of 1m/min by a winding device.
Comparative example 1
The rotation speed of the negative pressure suction fan in example 3 was adjusted to 700r/min, the negative pressure was 300Pa, and the others were kept unchanged. The negative pressure is changed to increase the cutting rate of the alumina fiber, and the length of the alumina fiber filament is controlled between 10 cm and 13cm so as to form the alumina fiber filament with shorter length. The speed of the conveyor belt was adjusted to 1.2m/min, and the continuous oxidized fiber spunlaced paper of 0.5mm was subjected to spunlaced molding, and tensile breaking strength comparison was performed between the continuous oxidized fiber spunlaced paper prepared in example 3. Specific test the tensile breaking strength of the nonwoven fabric was determined by reference to the international standard ISO 9073-3-1989 method for testing textiles-nonwoven fabrics-third section, tensile strength and elongation determination. Comparative example 1 the tensile strength to break comparison of 0.5mm continuous oxidized fiber spunlaced paper with the continuous alumina fiber spunlaced paper prepared in example 3 is shown in table 1 below:
TABLE 1
| Example(s) | Tensile breaking Strength (N/cm) | Areal Density (g/m) 2 ) |
| Example 3 | 232 | 30 |
| Comparative example 1 | 216 | 31 |
| Difference (%) | 7.4 | 3.2 |
The results in Table 1 show that the continuous alumina fiber hydroentangled paper prepared in example 3 has a tensile breaking strength 7.4% higher than that of comparative example 1. This is because the continuous alumina fiber in comparative example 1 is slightly shorter than that in example 3, and the load-carrying capacity is insufficient when subjected to a tensile external force, resulting in lower tensile break strength.
Comparative example 2
A cut alumina fiber paper from alcai inorganic materials, inc, su, with a specification of 900 x 600 x 2mm was tensile strength compared to example 4 and the comparison results are shown in table 2 below:
TABLE 2
| Example(s) | Tensile breaking Strength (N/cm) | Areal Density (g/m) 2 ) |
| Examples4 | 351 | 46 |
| Comparative example 2 | 253 | 53 |
| Difference (%) | 38.7 | 13.2 |
As can be seen from Table 2, the continuous alumina fiber hydroentangled paper has a tensile breaking strength 38.7% higher than that of the currently commercially available chopped alumina fiber paper because the mechanical properties of the continuous alumina fiber filaments are better than those of the chopped fibers, and the overall mechanical properties of the alumina fiber paper are enhanced with the superposition of the fiber plies. The overall areal density of the continuous alumina fiber spunlaced paper is 13.2 percent lower than that of the current commercial chopped alumina fiber paper. This is because the chopped alumina fiber paper is not integrally formed from alumina fibers, and includes binders and other impurities. The continuous alumina fiber spunlaced paper is prepared by layering continuous chemical fibers and increasing interlayer toughness through a spunlaced process, and the whole is composed of alumina fibers, so that the continuous alumina fiber spunlaced paper is dense and relatively small and has an ultrathin effect.
Comparative example 3
The hydroentangling process parameters in the example 3 are adjusted, the hydroentangling pressure is adjusted to 90Bar, and the hydroentangling diameter is 1.5mm; the density of the water thorns is 20 thorns/cm 2 The other was kept unchanged from example 3, and a continuous alumina fiber spunlaced paper having a thickness of 0.5mm was produced. Tensile strength test comparisons were made according to the comparative example 1 test standard with example 3.
Comparative example 4
The hydroentangling process parameters in the example 3 are adjusted, the hydroentangling pressure is adjusted to be 110Bar, and the hydroentangling diameter is 0.6mm; the density of the water thorns is 30 thorn/cm 2 The other was kept unchanged from example 3, and a continuous alumina fiber spunlaced paper having a thickness of 0.5mm was produced. Tensile strength test comparisons were made according to the comparative example 1 test standard with example 3. Tensile strength test comparative results of the continuous alumina fiber spunlaced papers prepared in example 3 and comparative example 4 are shown in table 3 below:
TABLE 3 Table 3
| Example(s) | Tensile breaking strength (N/cm) | Difference (%) |
| Example 3 | 235 | - |
| Comparative example 3 | 206 | 12.3 |
| Comparative example 4 | 213 | 9.4 |
Comparative example 3 has a 12.3% reduction in strength compared to example 3, mainly because comparative example 3 increases the hydroentangled diameter and reduces the hydroentangled density. The large water jet diameter causes large damage to the alumina fiber, the water jet density is small, the fibers in the vertical direction are less, the strength between the alumina fiber paper layers is insufficient, and the tensile breaking strength of the alumina fiber paper is reduced under the combination of two factors.
Comparative example 4 has a 9.4% decrease in strength compared to example 3, mainly due to the increased hydroentangling pressure, and hydroentangling density. An increase in hydroentangling pressure increases damage to the alumina fibers, but as the hydroentangling diameter is reduced to 0.6mm, the fibers are less damaged than in comparative example 3. As the density of the spines increases, the number of alumina fibers introduced between the layers increases, and the damage to the alumina fibers increases. In combination, comparative example 4 had a slightly lower tensile break strength than comparative example 1, but the magnitude of the decrease was more moderate than comparative example 4.
The scope of the present utility model is not limited to the above-described embodiments, but is intended to be limited to the appended claims, any modifications, equivalents, improvements and alternatives falling within the spirit and principle of the inventive concept, which can be made by those skilled in the art.
Claims (10)
1. The utility model provides a continuous alumina fiber water thorn paper preparation facilities, its characterized in that, includes the storage tank, the storage tank has the spinneret die through the pipe connection, and the below of spinneret die is provided with the draft ware, the below of draft ware is provided with negative pressure suction fan, is provided with the guipure between draft ware and the negative pressure suction fan, the below of guipure is provided with the conveyer belt, one side of draft ware is provided with high temperature furnace, water thorn machine and drying-machine, the conveyer belt drives guipure between draft ware and the negative pressure suction fan is passed through in proper order high temperature furnace, water thorn machine and drying-machine.
2. The continuous alumina fiber spunlaced paper preparing device according to claim 1, wherein a plurality of spinning holes are arranged in the spinning die, and materials in the storage tank enter a drafting device through the spinning holes of the spinning die for drafting.
3. The continuous alumina fiber spunlaced paper preparing device according to claim 1, wherein a plurality of spunlaced heads are arranged in the spunlacing machine, and the plurality of spunlaced heads are positioned at the upper end and the lower end of the mesh belt.
4. The continuous alumina fiber spunlaced paper manufacturing device according to claim 1, wherein the material storage tank is connected with a screw extruder, and the screw extruder is used for conveying materials in the material storage tank to the spinning die through the pipeline.
5. The continuous alumina fiber spunlaced paper manufacturing device according to claim 1, wherein a safety valve and a metering pump are arranged on the pipeline.
6. The continuous alumina fiber spunlaced paper preparing device according to claim 1, wherein a winding device is arranged at the end part of the conveyor belt and is used for winding the prepared continuous alumina fiber paper.
7. The apparatus for producing continuous alumina fiber spunlaced paper according to claim 6, wherein the winding device is a roll.
8. A continuous alumina fiber hydroentangled paper making apparatus according to claim 2, characterized in that said orifices have a diameter of 0.5-0.8mm.
9. The apparatus for producing continuous alumina fiber spun-laced paper according to claim 5, wherein the safety valve is an electromagnetic valve or an electric valve.
10. The apparatus for producing continuous alumina fiber spunlaced paper according to claim 6, wherein the thickness of the continuous alumina fiber paper is 0.1-0.5mm.
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| CN115787197A (en) * | 2022-12-13 | 2023-03-14 | 上海榕融新材料技术有限公司 | Preparation device and process of continuous alumina fiber spunlace paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787197A (en) * | 2022-12-13 | 2023-03-14 | 上海榕融新材料技术有限公司 | Preparation device and process of continuous alumina fiber spunlace paper |
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