CN111099822A - Centrifuge for producing superfine high-strength glass fiber - Google Patents
Centrifuge for producing superfine high-strength glass fiber Download PDFInfo
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- CN111099822A CN111099822A CN202010076782.2A CN202010076782A CN111099822A CN 111099822 A CN111099822 A CN 111099822A CN 202010076782 A CN202010076782 A CN 202010076782A CN 111099822 A CN111099822 A CN 111099822A
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a centrifugal machine for producing superfine high-strength glass fibers, which comprises a centrifugal machine body, a main shaft and a centrifugal disc, wherein the main shaft penetrates through the centrifugal machine body and is rotationally connected with the centrifugal machine body, so that the main shaft can rotate for 360 degrees by taking the centrifugal machine body as a support; the centrifugal disc is positioned below the centrifuge body and is connected with the main shaft; this internal combustion chamber that is provided with of centrifuge, the flame air current spout in combustion chamber is including the medial surface that is close to the main shaft and the lateral surface of keeping away from the main shaft, the flame air current spun direction in combustion chamber from top to bottom is close to the axis direction skew of main shaft, and to the rotatory direction skew of centrifugal disk. The centrifugal machine for producing the superfine high-strength glass fiber improves the heating efficiency of the centrifugal disc, shortens the liquefaction and temperature rise time of glass, and reduces the energy loss.
Description
Technical Field
The invention relates to the technical field of superfine glass fiber product production, in particular to a centrifugal machine for producing superfine high-strength glass fibers.
Background
The superfine glass fiber product is made by the way that glass in a molten state is subjected to fiberizing and spraying of a thermosetting resin supporting filamentous material by a centrifugal process and then is subjected to thermosetting processing treatment, in the manufacturing process, a centrifugal machine is a main machine for producing the superfine glass fiber product, and in the existing centrifugal machine, a more advanced centrifugal machine disclosed with reference to application number 201610262816.0 has the functions of meeting the production requirements of the superfine glass fiber product, but the equipment has the defects: the glass has longer liquefaction and temperature rise time and large energy loss.
Disclosure of Invention
The invention aims to provide a centrifugal machine for producing superfine high-strength glass fibers, which aims to solve the technical problem.
One technical scheme of the application is as follows: a centrifugal machine for producing superfine high-strength glass fibers comprises a centrifugal machine body, a main shaft and a centrifugal disc, wherein the main shaft penetrates through the centrifugal machine body to be rotationally connected with the centrifugal machine body, so that the main shaft can rotate 360 degrees by taking the centrifugal machine body as a support; the centrifugal disc is positioned below the centrifuge body and is connected with the main shaft; this internal combustion chamber that is provided with of centrifuge, the flame air current spout in combustion chamber is including the medial surface that is close to the main shaft and the lateral surface of keeping away from the main shaft, the flame air current spun direction in combustion chamber from top to bottom is close to the axis direction skew of main shaft, and to the rotatory direction skew of centrifugal disk.
Preferably, the direction of the flame airflow ejected from the combustion chamber is deviated from top to bottom in a tangential direction when the position of the centrifugal disc corresponding to the ejection point rotates to the position, and the direction of the flame airflow is deviated to the axial direction of the centrifugal disc.
Preferably, the outer side surface is offset from top to bottom towards the axis direction close to the main shaft; the medial surface is from top to bottom to being close to the axis direction skew of main shaft, and to the rotatory direction skew of centrifugal disc.
Preferably, the offset angle of the outer side surface facing the main shaft direction is greater than 0 degree and equal to or less than 85 degrees; the offset angle of the inner side facing the main shaft direction is greater than 0 degree and less than or equal to 45 degrees, and the offset angle of the inner side facing the rotation direction of the centrifugal disc is greater than 0 degree and less than or equal to 75 degrees.
Preferably, an outer fire hole and an inner fire hole are fixed on the centrifuge body above the centrifugal disc, and a distance is reserved between the outer fire hole and the inner fire hole so as to form a flame airflow nozzle of a combustion chamber; the inner side surface of the outer fire hole forms the inner side surface, and the outer side surface of the inner fire hole forms the outer side surface.
Preferably, a first blocking body is arranged below the outer side face, a second blocking body is arranged below the inner side face, and one face, close to the main shaft, of the second blocking body is gradually close to the main shaft from the bottom to the top to form an inclined face or an inwards concave cambered face.
Preferably, a stretching air disc and a cutting air disc are sequentially arranged below the combustion cavity from top to bottom, a stretching air port is formed in the bottom of the stretching air disc, and a cutting air port is formed in the bottom of the cutting air disc; the stretching air port is deviated from top to bottom to the rotating direction of the centrifugal disc, the deviation angle is larger than 0 degree and smaller than or equal to 45 degrees, the cutting air port is deviated from top to bottom to the rotating direction of the centrifugal disc, the deviation angle is larger than 5 degrees and smaller than or equal to 45 degrees, and the cutting air port and the stretching air port are correspondingly arranged in angle.
Preferably, an air guide wall is arranged between the stretching air port and the cutting air port, the air guide wall is deviated from bottom to top to the axis direction of the main shaft, and the deviation angle is greater than 0 degree and less than or equal to 60 degrees.
Preferably, the stretching tuyere is formed by 1-4 rows of stretching tuyeres, and the diameter of the stretching tuyere is more than or equal to 0.03mm and less than or equal to 3 mm; the cutting port is formed by a cutting air hole, and the diameter of the cutting air hole is more than or equal to 0.3mm and less than or equal to 2 mm; the shape of the cutting tuyere is circular or polygonal.
Preferably, a water cooling jacket is further arranged in the centrifuge body, and the water cooling jacket is sleeved on the main shaft and is in rotary connection with the main shaft, so that the main shaft can rotate for 360 degrees by taking the water cooling jacket as a support; the water cooling sleeve is provided with a material guide pipe, a cold water inlet and a cold water outlet, a cold water circulation chamber is arranged inside the water cooling sleeve, the cold water inlet and the cold water outlet are communicated with the cold water circulation chamber, and the bottom of the cold water circulation chamber is lower than the bottom of the material guide pipe.
In the use process of the centrifuge for producing the superfine high-strength glass fiber, the flame airflow of the combustion chamber is sprayed out and moves towards the axis direction of the main shaft, so that the flame airflow can move downwards to be close to the side wall direction of the centrifugal disc to heat the centrifugal disc, and the airflow of each fire spraying point (two are schematically drawn in figure 2) on the circumference deviates along the rotating direction of the centrifugal disc due to the deviation towards the rotating direction of the centrifugal disc, so that an annular rotating vortex is formed on the side surface of the centrifugal disc, surrounds the centrifugal disc and attracts the flame towards the working surface of the centrifugal disc, the heating efficiency of the centrifugal disc is improved, the glass liquefaction heating time is shortened, and the energy loss is reduced.
Drawings
FIG. 1 is a schematic structural view of a centrifuge for producing ultra-fine high strength glass fibers according to the present invention;
FIG. 2 is a schematic view of the flame stream ejection direction of the present invention;
FIG. 3 is one of the schematic views of the installation structures of the outer burner and the inner burner of the present invention;
FIG. 4 is a second schematic view of the mounting structure of the outer burner and the inner burner of the present invention;
FIG. 5 is one of the schematic views of the installation structures of the stretching and cutting discs of the present invention;
FIG. 6 is a second schematic view of the mounting structure of the tension wind disk and the cut-off wind disk of the present invention;
FIG. 7 is a schematic view of the internal construction of the water jacket of the present invention;
FIG. 8 is a top view of the water jacket of the present invention;
in the figure: the device comprises a main shaft 1, an inner fire hole 2, an outer fire hole 3, a flame airflow nozzle 4 of a combustion cavity, a centrifugal disc 5, a centrifuge body 6, a combustion cavity 7, an inner side surface 8, an outer side surface 9, a stretching air disc 11, a cutting air disc 12, a stretching air hole 13, a cutting air hole 14, an air guide wall 15, a water cooling sleeve 16, a material pouring pipe 17, a cold water circulation cavity 18, a cold water inlet 19, a cold water outlet 20, a first blocking body 21 and a second blocking body 22.
Detailed Description
The invention is further illustrated by the following figures and examples.
The direction of the flame airflow ejected from the combustion chamber in the application the direction of the rotation of the centrifugal disc may be the tangential direction offset from top to bottom when the position of the centrifugal disc corresponding to the ejection point rotates to the position, or may be the tangential direction offset to the inner side or the outer side by taking the tangential line as the reference, wherein the slight outward offset is best, and the tangential line is generally offset by 1-15 degrees.
The direction of flame airflow spraying of the combustion chamber is deviated from top to bottom to the axis direction close to the main shaft, and the realization mode of deviation to the rotating direction of the centrifugal disc can be multiple, for example, a flame airflow nozzle of the combustion chamber is provided with a flow guide structure, for example, a flow guide plate is arranged, in the application, the outer side surface is preferably deviated from top to bottom to the axis direction close to the main shaft; the inner side surface is deviated from top to bottom in the direction close to the axis of the main shaft and deviated in the rotating direction of the centrifugal disc, and the deviation angle of the outer side surface towards the direction of the main shaft is greater than 0 degree and smaller than or equal to 85 degrees; the offset angle of the inner side facing the main shaft direction is greater than 0 degree and less than or equal to 45 degrees, and the offset angle of the inner side facing the rotation direction of the centrifugal disc is greater than 0 degree and less than or equal to 75 degrees.
In the process of using the centrifugal machine for producing superfine high-strength glass fibers, after flame airflow of a combustion cavity is sprayed out, the flame airflow moves towards the axis direction of a main shaft and then moves downwards to be close to the side wall direction of a centrifugal disc to heat the centrifugal disc, and due to deviation towards the rotating direction of the centrifugal disc, airflow of each flame spraying point (two schematically drawn in figure 2) on the circumference deviates along the rotating direction of the centrifugal disc, so that an annular rotating vortex is formed on the side surface of the centrifugal disc, surrounds the centrifugal disc and attracts flame towards the working surface of the centrifugal disc, the heating efficiency of the centrifugal disc is improved, the glass liquefaction heating time is shortened, the energy loss is reduced, and the energy saving of the centrifugal machine is between 13% and 25% compared with that of the centrifugal machine in the background technology, and generally can reach about 20%.
In embodiment 3, on the basis of embodiment 1, the applicant further designs that, referring to fig. 1, 5 and 6, a stretching air disc 11 and a cutting air disc 12 are sequentially arranged below the combustion chamber from top to bottom, a stretching air port 13 is formed in the bottom of the stretching air disc, and a cutting air port 14 is formed in the bottom of the cutting air disc; the stretching tuyere deflects from top to bottom towards the rotating direction of the centrifugal disc, and the deflection angle is more than 0 degree and less than or equal to 45 degrees, preferably more than 0 degree and less than or equal to 30 degrees, so that the design increases the contact surface of a wind line and glass fibers, the stretching effect on the glass fibers is stronger, and the produced glass cotton is thinner; the cutting air port is deviated from top to bottom to the rotating direction of the centrifugal disc, the deviation angle is larger than 5 degrees and smaller than or equal to 45 degrees, the cutting air port and the stretching air port are correspondingly arranged in a corresponding mode as follows: the deviation angle of the cut-off tuyere is 45 degrees, the deviation angle of the stretching tuyere is 45 degrees, the deviation angle of the cut-off tuyere is 25 degrees, and the deviation angle of the stretching tuyere is 23 degrees. The structure is matched with drawing, the fiber fineness is uniformly drawn by cutting and drawing integrated combination design, the length of the fiber is more conveniently adjusted by drawing and cutting, and the defects of different lengths of the fiber can be improved. And the cutting and pulling effects are better by matching with the flame inclination mode. Furthermore, an air guide wall 15 is arranged between the stretching air port and the cutting air port, the air guide wall deviates from bottom to top towards the axis direction of the main shaft, the deviation angle is greater than 0 degree and less than or equal to 60 degrees, so that the phenomenon that the air direction of the cutting air port climbs upwards and the glass fiber yarns are cut off too early to influence the quality of a produced product is avoided, the stretching air port is formed by 1-4 rows of stretching air ports, and the diameter of each stretching air hole is greater than or equal to 0.03mm and less than or equal to 3 mm; the cutting port is formed by a cutting air hole, and the diameter of the cutting air hole is more than or equal to 0.3mm and less than or equal to 2 mm; the shape of the cutting tuyere is circular or polygonal. Because the flame ports are obliquely arranged, the heating time of the molten glass in the centrifugal disc is shortened, and the thinner glass fiber yarns can be generated by matching with the stretching tuyere mechanism with the structure, so that the production requirement can be met.
Example 4, in the existing structure, only half of the cooling part of the material guiding pipe is designed, and when high-temperature molten glass passes through the material guiding pipe, the hot molten glass is adhered to the inner wall of the material guiding pipe for a long time, so that the equipment is shut down, therefore, on the basis of example 1, the applicant also makes a design that a water cooling jacket 16 is further arranged in the centrifuge body, and the water cooling jacket is sleeved on the main shaft and is rotationally connected with the main shaft, so that the main shaft can rotate 360 degrees by taking the water cooling jacket as a support; the water cooling sleeve is provided with a material pouring pipe 17, a cold water inlet 19 and a cold water outlet 20, a cold water circulating cavity 18 is arranged inside the water cooling sleeve, the cold water inlet and the cold water outlet are communicated with the cold water circulating cavity, and the bottom of the cold water circulating cavity is lower than the bottom of the material guide pipe. According to the structure, the material guide pipe is internally hollow and is fully water-cooled, the special structural design is sufficient in cooling, and the phenomenon that the high-temperature glass liquid is adhered to the inner wall of the material guide pipe when flowing small drift current is avoided.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A centrifugal machine for producing superfine high-strength glass fibers comprises a centrifugal machine body (6), a main shaft (1) and a centrifugal disc (5), wherein the main shaft penetrates through the centrifugal machine body to be rotationally connected with the centrifugal machine body, so that the main shaft can rotate 360 degrees by taking the centrifugal machine body as a support;
the centrifugal disc is positioned below the centrifuge body and is connected with the main shaft;
the centrifuge is characterized in that a combustion chamber (7) is arranged in the centrifuge body, a flame airflow nozzle (4) of the combustion chamber comprises an inner side surface (8) close to the main shaft and an outer side surface (9) far away from the main shaft,
the direction of flame air current blowout of combustion chamber is from top to bottom to being close to the axis direction skew of main shaft, and to the rotatory direction skew of centrifugal disc.
2. The centrifuge of claim 1, wherein the direction of the flame stream ejected from the combustion chamber is shifted from top to bottom by the position of the centrifugal disk corresponding to the ejection point, to the tangential direction of the position when the position is rotated, and to the axial direction of the centrifugal disk.
3. The centrifuge for producing ultra-fine high strength glass fiber according to claim 1 or 2,
the outer side surface deviates from top to bottom towards the axis direction close to the main shaft;
the medial surface is from top to bottom to being close to the axis direction skew of main shaft, and to the rotatory direction skew of centrifugal disc.
4. The centrifuge of claim 3, wherein the angle of the offset of the outer side to the main axis is greater than 0 degrees and less than or equal to 85 degrees;
the offset angle of the inner side facing the main shaft direction is greater than 0 degree and less than or equal to 45 degrees, and the offset angle of the inner side facing the rotation direction of the centrifugal disc is greater than 0 degree and less than or equal to 75 degrees.
5. The centrifuge for producing ultra-fine high strength glass fiber according to claim 1,
an outer fire hole (3) and an inner fire hole (2) are fixed on the centrifuge body above the centrifugal disc, and a distance is reserved between the outer fire hole and the inner fire hole so as to form a flame airflow nozzle of a combustion chamber;
the inner side surface of the outer fire hole forms the inner side surface, and the outer side surface of the inner fire hole forms the outer side surface.
6. The centrifuge for producing ultra-fine high-strength glass fiber according to claim 1, wherein a first blocking body (21) is disposed under the outer side surface, a second blocking body (22) is disposed under the inner side surface, and one surface of the second blocking body close to the main shaft is gradually close to the main shaft from bottom to top to form an inclined surface or a concave cambered surface.
7. The centrifuge for producing the superfine high-strength glass fiber according to claim 1, wherein a stretching air disk (11) and a cutting air disk (12) are sequentially arranged below the combustion chamber from top to bottom, a stretching air port (13) is formed in the bottom of the stretching air disk, and a cutting air port (14) is formed in the bottom of the cutting air disk;
the stretching air port is deviated from top to bottom to the rotating direction of the centrifugal disc, the deviation angle is larger than 0 degree and smaller than or equal to 45 degrees, the cutting air port is deviated from top to bottom to the rotating direction of the centrifugal disc, the deviation angle is larger than 5 degrees and smaller than or equal to 45 degrees, and the cutting air port and the stretching air port are correspondingly arranged in angle.
8. The centrifuge for producing ultra-fine high-strength glass fiber according to claim 7, wherein a wind guide wall (15) is disposed between the drawing tuyere and the cutting tuyere, and the wind guide wall is offset from bottom to top in the axial direction of the main shaft by an angle greater than 0 degree and equal to or less than 60 degrees.
9. The centrifuge for producing ultra-fine high strength glass fiber according to claim 8, wherein the drawing tuyere is formed by 1 to 4 rows of drawing tuyeres, the diameter of the drawing tuyere is 0.03mm or more and 3mm or less;
the cutting port is formed by a cutting air hole, and the diameter of the cutting air hole is more than or equal to 0.3mm and less than or equal to 2 mm; the shape of the cutting tuyere is circular or polygonal.
10. The centrifuge for producing ultra-fine high-strength glass fiber according to claim 1, wherein a water cooling jacket (16) is further disposed in the centrifuge body, and the water cooling jacket is sleeved on the main shaft and is rotationally connected with the main shaft, so that the main shaft can rotate 360 degrees with the water cooling jacket as a support;
the water cooling sleeve is provided with a material pouring pipe (17), a cold water inlet (19) and a cold water outlet (20), a cold water circulating chamber (18) is arranged inside the water cooling sleeve, the cold water inlet and the cold water outlet are communicated with the cold water circulating chamber, and the bottom of the cold water circulating chamber is lower than the bottom of the material guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010076782.2A CN111099822A (en) | 2020-01-23 | 2020-01-23 | Centrifuge for producing superfine high-strength glass fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010076782.2A CN111099822A (en) | 2020-01-23 | 2020-01-23 | Centrifuge for producing superfine high-strength glass fiber |
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| Publication Number | Publication Date |
|---|---|
| CN111099822A true CN111099822A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010076782.2A Pending CN111099822A (en) | 2020-01-23 | 2020-01-23 | Centrifuge for producing superfine high-strength glass fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603354A (en) * | 2021-08-26 | 2021-11-05 | 北京财方富圆新科贸有限公司 | Stretching air disc for centrifugal machine |
| CN114988694A (en) * | 2022-04-22 | 2022-09-02 | 宣汉正原微玻纤有限公司 | Centrifugal machine for producing glass fiber cotton |
| CN117682754A (en) * | 2023-12-04 | 2024-03-12 | 湖北嘉辐达节能科技股份有限公司 | Glass wool centrifugal fiberizer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603354A (en) * | 2021-08-26 | 2021-11-05 | 北京财方富圆新科贸有限公司 | Stretching air disc for centrifugal machine |
| CN114988694A (en) * | 2022-04-22 | 2022-09-02 | 宣汉正原微玻纤有限公司 | Centrifugal machine for producing glass fiber cotton |
| CN117682754A (en) * | 2023-12-04 | 2024-03-12 | 湖北嘉辐达节能科技股份有限公司 | Glass wool centrifugal fiberizer |
| CN117682754B (en) * | 2023-12-04 | 2025-03-07 | 湖北嘉辐达节能科技股份有限公司 | Glass wool centrifugal fiberizer |
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