CN213873791U - Wire collecting and hanging sintering furnace device for industrial-grade alumina continuous fibers - Google Patents
Wire collecting and hanging sintering furnace device for industrial-grade alumina continuous fibers Download PDFInfo
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- CN213873791U CN213873791U CN202022676617.9U CN202022676617U CN213873791U CN 213873791 U CN213873791 U CN 213873791U CN 202022676617 U CN202022676617 U CN 202022676617U CN 213873791 U CN213873791 U CN 213873791U
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Abstract
The utility model discloses a silk, string wire fritting furnace device are received to industrial grade alumina continuous fibers belongs to alumina spinning equipment technical field. The utility model discloses a wire collecting and hanging sintering furnace device of industrial alumina continuous fiber, which comprises a wire collecting device and a hanging sintering furnace device; the discharge hole of the wire collecting device is connected with the feed inlet of the wire hanging sintering furnace device; the yarn collecting device comprises a yarn guide rod, a movable guide rod and a supporting plate; the sintering device comprises a sintering furnace, a fixing frame, a preformed hole, a wire hanging rod, a first heating body, a second heating body, distribution air, a protective cover, an air supply outlet and an air outlet. The device of the utility model solves the problem that the alumina fiber is easy to shrink in the process of wire collection and sintering, which causes fiber breakage.
Description
Technical Field
The utility model relates to a silk, string wire fritting furnace device are received to industrial grade alumina continuous fibers belongs to alumina spinning equipment technical field.
Background
The alumina fiber is an inorganic ceramic fiber, can maintain good mechanical property at ultrahigh temperature, and also has excellent properties of high-temperature oxidation resistance, acid and alkali corrosion resistance and the like. The raw material cost for preparing the alumina fiber is low, the production process is relatively simple, and the alumina short fiber and filament are widely applied to the fields of industrial, military and civil composite materials. At present, the method for preparing the lead oxide fiber mainly comprises a melting method, a dipping method, a free slurry method, a pre-polymerization method, a sol-gel method and the like, and the main steps comprise glue preparation, spinning and sintering. The precursor fiber or filament is obtained after glue making and spinning, and then the alumina fiber is obtained after heat treatment processing, drying and calcining in a sintering furnace.
The alumina fiber can show the problem of fiber gradient shrinkage along with the change of temperature in the sintering process, whether the forming quality of the alumina fiber can be ensured or not can be ensured, and the spinning and yarn collecting device and the sintering device play a vital role in the whole process preparation flow. Some spinning yarn collecting devices are easy to cause uneven fiber winding, overlarge tension and incapability of changing winding size in real time, thereby causing fiber breakage and influencing fiber quality.
Some aluminum oxide sintering devices disclosed at present have complex device structures and uneven heating, are not beneficial to reasonably calcining aluminum oxide fibers and influence the production quality of the fibers; and the existing device can not solve the problem that the alumina fiber is easy to shrink in the process of filament winding and sintering to cause fiber breakage.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one problem, the utility model provides an industrial alumina continuous fiber receives silk device and string line fritting furnace device.
The utility model provides a wire collecting and hanging sintering furnace device of industrial alumina continuous fiber, which comprises a wire collecting device and a hanging sintering furnace device; the discharge hole of the wire collecting device is connected with the feed inlet of the wire hanging sintering furnace device; the yarn collecting device comprises a yarn guide rod, a movable guide rod and a supporting plate; one end of the guide rod is fixed on the central shaft of the support plate, the guide rod comprises a slideway, the movable guide rod is connected with the slideway and can move on the guide rod along the slideway, and the movable guide rod is vertical to the guide rod; the thread guide rod is fixed at the other end of the guide rod and is vertical to the guide rod; the wire hanging sintering furnace device comprises a sintering furnace, a fixing frame, a wire hanging rod, a first heating body, a second heating body, distributed air, a protective cover, an air supply outlet and an air outlet, wherein the fixing frame is arranged inside the sintering furnace, the fixing frame is provided with a preformed hole, and the wire hanging rod is fixed in the preformed hole; the first heating body is positioned between the wire hanging rod and the bottom of the sintering furnace; the second heating body is arranged between the fixed frame and the distributed air, and the distributed air is arranged at the joint of the protective cover and the sintering furnace; the protective cover is arranged between the distribution air and the air supply outlet, is provided with a cavity communicated with the air supply outlet and is fixed on the outer side of the sintering furnace; the center of the fixed frame, the center of the distributed air, the center of the protective cover and the central shaft of the air supply outlet are on the same straight line; the air outlet is arranged at the upper part of the sintering furnace.
In one embodiment of the present invention, the support plate comprises 8 guide rods thereon.
In an embodiment of the present invention, the thread guiding rod is fixed at the end of the moving guide rod by a nut.
In one embodiment of the utility model, the movable guide rod can move on the guide rod along with the change of temperature in the process of winding the alumina fiber, so as to realize shrinkage and opening; the temperature range is 20-500 ℃.
In one embodiment of the present invention, the length of the movable yarn guiding rod which is contracted inward and outward is 2.5-25 cm.
In one embodiment of the present invention, the length of the guide wire rod is 5-50 cm.
In an embodiment of the present invention, the support plate may rotate around the central shaft under the action of the power device.
In an embodiment of the present invention, the yarn guiding rod is used for guiding the alumina fiber bundle generated in the previous process and winding the alumina fiber bundle into one strand to perform the fiber collection.
In an embodiment of the present invention, the wire hanging rod is a hollow rod.
In an embodiment of the present invention, the hanging wire of the hanging wire rod has a small and uniform hole for ventilation.
In an embodiment of the present invention, the first heating member is located between the wire hanging rod and the bottom of the sintering furnace, and is fixed at the bottom of the sintering furnace.
The utility model discloses an in an embodiment, the second heating member between preformed hole and distribution wind, and fix on the upper portion of fritting furnace for the heating is even between mount and the distribution wind.
In one embodiment of the utility model, the distribution wind is in a grid shape and is fixed inside one side of the sintering furnace; the function is to uniformly distribute the wind into the hanging wire sintering furnace.
In an embodiment of the present invention, the protective cover is used to reserve a wind storage device with a sufficient length.
In an embodiment of the present invention, the fixing frame and the distributing wind are disposed in parallel.
In an embodiment of the present invention, the air supply opening is located at a center of one side of the protective cover.
The utility model discloses an in an embodiment, the air outlet in the upside of peg, the effect is the relative balance of hot wind pressure in guaranteeing the device.
In an embodiment of the present invention, the diameter of the preformed hole is the same as the diameter of the wire hanging rod.
In one embodiment of the present invention, the number of the wire hanging rods is 2 to 15.
In one embodiment of the present invention, the number of the prepared holes is 10 to 100.
In one embodiment of the present invention, the diameter of the preformed holes is 3cm to 10 cm.
The working principle of the filament winding and sintering device for the industrial-grade alumina continuous fiber is as follows:
the alumina fiber bundle produced in the previous procedure is led into a certain yarn guide rod in a free shrinkage yarn collecting device to be fixed, and then the support plate rotates under the action of a power device, so that alumina cellulose is wound along the yarn guide rod for one circle; the alumina fiber bundle shrinks along with the change of temperature in the winding process, and at the moment, the movable guide rod moves to the center of the support plate 4 along the guide rod 2 under the action of the alumina fiber bundle force to shrink so as to prevent fiber breakage; after the winding of a roll of alumina fiber bundle is finished, the movable guide rod continuously shrinks inwards to enable the wound alumina fiber to fall off from the device, and at the moment, the wound alumina fiber bundle is measured by a measuring unit of a cylinder.
Sintering each wound cylinder of alumina fiber bundle in a hanging wire sintering furnace device, which comprises the following steps: hanging the coiled alumina cellulose on a hanging screw rod, then heating a first heating body and a second heating body simultaneously to provide heat guarantee for sintering the alumina fiber bundle, at the moment, introducing air into a sintering device through an air supply outlet, accumulating the air in a protective cover, conveying the air to the second heating body along distributed air to heat to form hot air, and then enabling the hot air to pass through a reserved hole to heat the alumina fiber bundle; the hanging wire pole is hollow pole, and wherein the hanging wire department that hangs the alumina fiber bundle at the hanging wire pole sets up two sets of even little pore of being convenient for to ventilate to avoid the sintering that produces in sintering process to die, there is a set of air outlet 12 simultaneously at the sintering furnace device at hanging wire pole upside, make the inside hot blast pressure that keeps of sintering furnace stable balance. After heating, the temperature is reduced to normal temperature, and the alumina fiber is taken down from the wire hanging rod 5.
The utility model has the advantages that:
(1) the yarn collecting device enables the alumina fiber bundle to be uniformly wound, the tension is appropriate, the winding size can be changed in real time, the fiber is ensured to be continuous in the yarn collecting process, and the fiber quality is good.
(2) The sintering device has the advantages of simple structure, energy conservation, cost reduction, simple operation, relatively balanced hot air pressure in the sintering furnace, uniform heating and contribution to reasonable sintering of the alumina fiber.
Drawings
FIG. 1 is a schematic view of the top view of the structure of the industrial alumina continuous fiber free shrinkage filament winding device of the present invention;
FIG. 2 is a schematic structural diagram of a wire-hanging sintering furnace device for industrial-grade alumina continuous fibers according to the present invention;
FIG. 3 is a detailed view of the structure of the industrial alumina continuous fiber hanging wire sintering furnace device of the present invention;
wherein, 1 wire guide rod, 2 guide rods, 3 movable guide rods, 4 support plates, 5 wire hanging rods, 6 first heating bodies, 7 preformed holes, 8 second heating bodies, 9 distribution air, 10 protective covers, 11 air supply outlets, 12 air outlets, a sintering furnace 13 and a fixed frame 14.
Detailed Description
To achieve the above objects, features and advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The wire collecting and hanging sintering furnace device for the industrial-grade alumina continuous fiber comprises a wire collecting device and a hanging sintering furnace device; the discharge hole of the wire collecting device is connected with the feed inlet of the wire hanging sintering furnace device; the yarn collecting device comprises a yarn guide rod 1, a guide rod 2, a movable guide rod 3 and a supporting plate 4; one end of a guide rod 2 is fixed on a central shaft of a support plate 4, the guide rod 2 comprises a slideway, a movable guide rod 3 is connected with the slideway, the movable guide rod 3 can move on the guide rod 2 along the slideway, and the movable guide rod 3 is vertical to the guide rod 2; the thread guide rod 1 is fixed at the other end of the guide rod 2 and is vertical to the guide rod 2; the wire hanging sintering furnace device comprises a sintering furnace 13, a fixing frame 14, a wire hanging rod 5, a first heating body 6, a second heating body 8, distribution air 9, a protective cover 10, an air supply outlet 11 and an air outlet 12, wherein the fixing frame 14 is arranged inside the sintering furnace 13, the fixing frame 14 is provided with a preformed hole 7, and the wire hanging rod 5 is fixed in the preformed hole 7; the first heating body 6 is positioned between the wire hanging rod 5 and the bottom of the sintering furnace 13; the second heating body 8 is arranged between the fixed frame 14 and the distribution wind 9, and the distribution wind 9 is arranged at the joint of the protective cover 10 and the sintering furnace 13; the protective cover 10 is arranged between the distributed air 9 and the air supply outlet 11, and a hollow hole is formed in the protective cover 10, communicated with the air supply outlet 11 and fixed on the outer side of the sintering furnace 13; the center of the fixed frame 14, the center of the distributed air 9, the center of the protective cover 10 and the central shaft of the air supply outlet 11 are on the same straight line; the air outlet 12 is arranged at the upper part of the sintering furnace 13.
Furthermore, the supporting plate 4 comprises 8 guide rods 2.
Further, the thread guiding rod 1 is fixed at the end of the movable guide rod 3 through a nut.
Further, in the process of winding the alumina fiber, the movable guide rod 3 can move on the guide rod 2 along with the change of temperature, so that the shrinkage and the opening and closing are realized; the temperature range is 20-500 ℃.
Further, the length of the inward and outward contraction of the movable guide rod 3 is 2.5-25 cm.
Further, the length of the silk guide rod 1 is 5-50 cm.
Further, the support plate 4 can be rotated about a central axis by a power unit.
Further, the yarn guide rod 1 is used for introducing and winding the alumina fiber bundle generated in the previous process into one strand to perform the yarn collection of the fiber.
Further, the wire hanging rod 5 is a hollow rod.
Furthermore, the hanging wire of the hanging wire rod 5 is provided with uniform small pores which are convenient for ventilation.
Further, the first heating body 6 is positioned between the wire hanging rod 5 and the bottom of the sintering furnace 13 and fixed at the bottom of the sintering furnace 13.
Further, the second heating body 8 is arranged between the preformed hole 7 and the distribution wind 9 and fixed at the upper part of the sintering furnace 13, so that the fixing frame 14 and the distribution wind 9 are heated uniformly.
Furthermore, the distribution wind 9 is in a grid shape and is fixed in the sintering furnace 13; the function is to distribute the wind evenly into the sintering furnace 13.
Further, the protective cover 10 is used for reserving a wind storage device with a sufficient length.
Further, the fixing frame 14 and the distributing wind 9 are arranged in parallel.
Further, the air supply outlet 11 is formed at the center of one side of the protection cover 10.
Further, the air outlet 12 is arranged on the upper side of the wire hanging rod 5 and is used for ensuring the relative balance of hot air pressure in the device.
Further, the diameter of the prepared hole 7 is consistent with that of the wire hanging rod 5.
Furthermore, the number of the wire hanging rods 5 is 2-15.
Furthermore, the number of the preformed holes 7 is 10-100.
Further, the diameter of the preformed hole 7 is 3cm-10 cm.
Further, the working principle of the wire winding and sintering device is as follows:
the alumina fiber bundle produced in the previous procedure is led into a certain yarn guide rod 1 in a free shrinkage yarn collecting device to be fixed, and then the support plate 4 rotates under the action of a power device, so that alumina cellulose is wound around the alumina fiber bundle along the yarn guide rod 1 for one circle; the alumina fiber bundle shrinks along with the change of temperature in the winding process, and at the moment, the movable guide rod 3 moves to the center of the support plate 4 along the guide rod 2 under the action of the alumina fiber bundle force to shrink so as to prevent fiber breakage; after the winding of a roll of alumina fiber bundle is finished, the movable guide rod 3 continuously shrinks inwards to enable the wound alumina fiber to fall off from the device, and at the moment, the wound alumina fiber bundle is measured by a measuring unit of a cylinder.
Sintering each wound cylinder of alumina fiber bundle in a hanging wire sintering furnace device, which comprises the following steps: hanging the coiled alumina cellulose on a hanging screw rod 5, then heating a first heating body 6 and a second heating body 8 simultaneously to provide heat guarantee for sintering the alumina fiber bundle, at the moment, introducing air into a sintering device through an air supply outlet 11, accumulating the air in a protective cover 10, conveying the air to the second heating body 8 along distributed air 9 to heat to form hot air, and then allowing the hot air to pass through a reserved hole 7 to heat the alumina fiber bundle; the uniform sintering of the alumina fiber is realized; the hanging wire rod 5 is a hollow rod, wherein two groups of small uniform pores convenient for ventilation are arranged at the hanging wire position where the hanging wire rod 5 is hung with the alumina fiber bundle, so that the ventilation is facilitated, the sintering process generated in the sintering process is avoided, and meanwhile, the sintering furnace is provided with a group of air outlets 12 at the upper side of the hanging wire rod 5, so that the inside of the sintering furnace keeps the hot air pressure stable and balanced. After heating, the temperature is reduced to normal temperature, and the alumina fiber is taken down from the wire hanging rod 5.
The protection scope of the present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements that can be made by a person skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The wire collecting and hanging sintering furnace device for the industrial-grade alumina continuous fiber is characterized by comprising a wire collecting device and a hanging sintering furnace device; the discharge hole of the wire collecting device is connected with the feed inlet of the wire hanging sintering furnace device; the yarn collecting device comprises a yarn guide rod (1), a guide rod (2), a movable guide rod (3) and a support plate (4); one end of the guide rod (2) is fixed on a central shaft of the support plate (4), the guide rod (2) comprises a slideway, the movable guide rod (3) is connected with the slideway, the movable guide rod (3) can move on the guide rod (2) along the slideway, and the movable guide rod (3) is vertical to the guide rod (2); the thread guiding rod (1) is fixed at the other end of the guide rod (2) and is vertical to the guide rod (2); the wire hanging sintering furnace device comprises a sintering furnace (13), a fixing frame (14), a wire hanging rod (5), a first heating body (6), a second heating body (8), distribution air (9), a protective cover (10), an air supply opening (11) and an air outlet (12), wherein the fixing frame (14) is arranged inside the sintering furnace (13), the fixing frame (14) is provided with a preformed hole (7), and the wire hanging rod (5) is fixed in the preformed hole (7); the first heating body (6) is positioned between the wire hanging rod (5) and the bottom of the sintering furnace (13); the second heating body (8) is arranged between the fixed frame (14) and the distribution air (9), and the distribution air (9) is arranged at the joint of the protective cover (10) and the sintering furnace (13); the protective cover (10) is arranged between the distributed air (9) and the air supply outlet (11), and a hollow hole is formed in the protective cover (10) and communicated with the air supply outlet (11), and is fixed on the outer side of the sintering furnace (13); the center of the fixed frame (14), the center of the distributed air (9), the center of the protective cover (10) and the central shaft of the air supply outlet (11) are on the same straight line; the air outlet (12) is arranged at the upper part of the sintering furnace (13).
2. The device according to claim 1, characterized in that the wire hanging rod (5) is a hollow rod.
3. Device according to claim 1, characterized in that said frame (14) is placed parallel to the dispensing wind (9).
4. The device according to claim 1, characterized in that the number of the wire hanging rods (5) is 2-15.
5. The device according to claim 1, characterized in that the number of said preformed holes (7) is 10-100.
6. The device according to claim 1, characterized in that the diameter of the preformed hole (7) is 3cm-10 cm.
7. The device as claimed in claim 1, wherein the thread hanging rod (5) has small uniform holes at the thread hanging position for ventilation.
8. The device according to claim 1, characterized in that, during the process of winding the alumina fiber, the movable guide rod (3) moves on the guide rod (2) along with the temperature change to realize shrinkage and expansion; the temperature range is 20-500 ℃.
9. The device according to claim 1, characterized in that the length of the inward and outward contraction of the moving guide rod (3) is 2.5-25 cm.
10. The device according to claim 1, characterized in that the length of the thread guide rod (1) is 5-50 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676617.9U CN213873791U (en) | 2020-11-18 | 2020-11-18 | Wire collecting and hanging sintering furnace device for industrial-grade alumina continuous fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676617.9U CN213873791U (en) | 2020-11-18 | 2020-11-18 | Wire collecting and hanging sintering furnace device for industrial-grade alumina continuous fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213873791U true CN213873791U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022676617.9U Active CN213873791U (en) | 2020-11-18 | 2020-11-18 | Wire collecting and hanging sintering furnace device for industrial-grade alumina continuous fibers |
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| Country | Link |
|---|---|
| CN (1) | CN213873791U (en) |
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- 2020-11-18 CN CN202022676617.9U patent/CN213873791U/en active Active
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| CB03 | Change of inventor or designer information |
Inventor after: Guan Ketian Inventor after: Sun Shuren Inventor before: Guan Ketian Inventor before: Sun Shuren Inventor before: Fang Haiyan |