CN219260282U - Spinning equipment for high-temperature-resistant ceramic fibers - Google Patents

Abstract

The application relates to spinning equipment for high-temperature-resistant ceramic fibers, and relates to the technical field of ceramic fiber preparation; the device comprises a device body, wherein a filter is arranged on the device body, a spinning component is further arranged in the device body, the spinning component is used for spraying sol which is introduced by the filter, a flash evaporation box and a draft box are sequentially arranged in the device body from top to bottom, the flash evaporation box is used for receiving sol filaments sprayed by the spinning component, the flash evaporation box is communicated with the draft box, a hot air supply component is arranged on the flash evaporation box and is used for supplying hot air which is introduced into the flash evaporation box, a pressure air supply component is arranged in the draft box, the pressure air supply component is used for drafting and forming ceramic fiber tows through blowing downward inclined pressure air, and a filament outlet is further formed in the bottom end of the draft box in a penetrating mode. The application has the following effects: the aluminum oxide ceramic fiber can be spun and molded on one device from bottom to bottom, so that the occupied area of the aluminum oxide ceramic fiber spinning device is reduced.

Description

Spinning equipment for high-temperature-resistant ceramic fibers

Technical Field

The application relates to the technical field of ceramic fiber preparation, in particular to spinning equipment for high-temperature-resistant ceramic fibers.

Background

The alumina ceramic fiber is a special high-temperature-resistant high-end product, has good cost performance, can be manufactured into a plurality of composite materials for use, and is a material variety which is urgently needed in the high-tech fields of the current emerging high-tech industry, aerospace and the like. The preparation of alumina ceramic fiber generally adopts a sol-gel method, the sol-gel method generally adopts aluminum alkoxide or inorganic salt as a raw material, and an organic acid ligand is added to obtain a uniformly mixed solution, the uniform sol is obtained after a polymerization reaction, and then the uniform sol is concentrated to a certain viscosity for spinning, and finally the alumina ceramic fiber is obtained through heat treatment.

There is a dry spinning device in the prior art, which comprises a filter, a metering device, a drying box and a filament collecting device, wherein the filter, the metering device, the drying box and the filament collecting device are all placed on the ground in sequence. One end of the filter is communicated with a communicating pipe, the filter is communicated with one end of the gauge through the communicating pipe, and the other end of the gauge is communicated with the top end of the drying cabinet through a pipeline. The drying box is internally provided with a spinning sprayer, and the metering device is used for uniformly distributing the sol introduced by the filter and introducing the sol into the spinning sprayer. One side of the drying box is also provided with an air heater, the air heater is communicated with a cavity in the drying box through a pipeline, a conveying roller is arranged below the drying box, and the wire collector is positioned on one side of the drying box away from the gauge. When the device is used, the sol is introduced into the filter, the filter filters the sol and then introduces the sol into the metering device, the metering device divides the sol into a plurality of parts and introduces the parts into the spinning jet, the air heater heats the sucked air flow and introduces the air flow into the drying box, so that the sol is heated and solidified into filaments, and the filaments are discharged through the filament outlet and conveyed into the filament collecting device by the conveying roller for collection.

With respect to the related art, the inventor has found that the device of the prior art is complex, and the arrangement interval between the devices is large, so that the whole occupied area of the device is large, thereby severely limiting the use environment of the device.

Disclosure of Invention

In order to reduce the floor space of a dry spinning device suitable for preparing alumina ceramic fibers, the application provides a spinning device for high-temperature-resistant ceramic fibers.

The application provides a spinning equipment for high temperature resistant ceramic fiber adopts following technical scheme:

the utility model provides a spinning equipment for high temperature resistant ceramic fiber, includes the equipment body, be provided with the filter on the equipment body, still be provided with in the equipment body and spout the silk subassembly, spout the silk subassembly and be used for with the sol blowout that the filter lets in, this internal flash tank and the draft box of from the top down have set gradually of equipment, the flash tank is used for receiving spout silk subassembly spun sol silk, the flash tank with the draft box intercommunication, be provided with hot-blast supply assembly on the flash tank, hot-blast supply assembly is used for supplying the flash tank is interior lets in hot-blast, be provided with pressure wind supply assembly in the draft box, pressure wind supply assembly is through blowing declivity pressure wind with ceramic fiber silk bundle draft shaping, the bottom of draft box has still run through and has seted up the outlet.

By adopting the technical scheme, when spinning is required, the filter filters the introduced sol and introduces the sol into the filter for filtering, the filter introduces the filtered sol into the spinning assembly, the sol is sprayed out of the spinning assembly, the sol moves downwards, the solvent and the redundant water in the sol are evaporated out of the sol through hot air introduced by the hot air supply assembly, the ceramic fiber tows are drawn and molded by pressure air blown by the pressure air supply assembly, and finally the ceramic fiber tows are introduced out from a filament outlet at the bottom end of the equipment body; the spinning assembly, the hot air supply assembly and the pressure air supply assembly are sequentially and vertically arranged downwards, so that the alumina ceramic fiber can be spun and molded on one device from bottom to bottom, and the occupied area of the alumina ceramic fiber spinning device is reduced.

Preferably, the pressure air supply assembly comprises a pressure air pipeline and an air inlet pipe, one side of the pressure air pipeline is communicated with one end of the air inlet pipe, the other end of the air inlet pipe is used for communicating a pressure air source, the pressure air pipeline is arranged in the drafting box, the pressure air pipeline is arranged along the length direction of the equipment body, a plurality of pressure air through holes are formed in the pressure air pipeline, and the direction of pressure air discharged by the pressure air through holes is inclined downwards.

By adopting the technical scheme, when the ceramic fiber yarn heated by the hot air supply assembly falls into the drafting cavity, the air inlet pipe is used for introducing air from the pressure source into the pressure air pipeline, the air is blown out through the pressure air through hole on the pressure air pipeline, and the sol yarn in the drafting cavity is stretched downwards, so that the sol yarn bundle is blown into the drafting and forming; the pressure air supply assembly is arranged, so that the sol thread can be blown to be drawn and formed through blown pressure air, and a good forming effect is achieved.

Preferably, a slot frame is further arranged in the drafting box, the pressure air pipeline is positioned in the slot frame, a slot channel is arranged on the slot frame, the pressure air through hole is communicated with the drafting cavity through the slot channel, and the slot channel is arranged in a downward inclined mode.

Through adopting above-mentioned technical scheme, to the setting of narrow slit frame for the pressure wind that is led out by the last pressure wind through-hole of pressure wind pipeline can blow off downwards through the narrow slit passageway, thereby increased the velocity of flow of pressure wind, increased the draft effect of pressure wind to ceramic fiber silk thread.

Preferably, the hot air supply assembly comprises a supply pipe and an air return pipe, the supply pipe and the air return pipe are both arranged on the top wall of the flash evaporation box, a plurality of ventilation holes are formed in the bottom ends of the supply pipe and the air return pipe in a penetrating mode, each ventilation hole is communicated with a cavity in the flash evaporation box, two ends of the air return pipe are both used for being connected with an air suction source, and two ends of the supply pipe are both used for being connected with a hot air source.

Through adopting above-mentioned technical scheme, to the concrete setting of hot-blast supply assembly for the steam can be through the supply through-hole on the supply tube lets in the flash tank, simultaneously, the existence of return air pipe makes the waste gas in the flash chamber can be inhaled outside the flash tank by the return air pipe, thereby effectually guaranteed the temperature of flash tank inner chamber, thereby guaranteed the evaporation effect to solvent and unnecessary moisture in the sol silk, guaranteed the formation quality of sol silk bundle.

Preferably, an electric heating plate is arranged in the flash tank, and the electric heating plate is arranged on the inner side wall of the flash tank.

Through adopting above-mentioned technical scheme, to the setting of electrical heating board, can heat the air in the flash tank through the electrical heating board to effectively guaranteed the temperature in the flash tank, make the temperature in the flash tank can be more steady, be favorable to the better shaping of sol silk bundle.

Preferably, the spinning assembly comprises a spinning sprayer and a metering pump, the metering pump is arranged between the spinning sprayer and the filter, the metering pump is communicated with the filter, the outlet of the metering pump is a plurality of spinning sprayers, the spinning sprayers are a plurality of spinning sprayers and correspond to the outlet of the metering pump, the outlet of the metering pump is communicated with the inlet of the corresponding spinning sprayer, and the spinning spraying opening of the spinning sprayer is arranged downwards.

Through adopting above-mentioned technical scheme, set up metering pump and spinning subassembly for the sol that lets in by the filter can be divided into several by the metering pump, spouts by the spinneret again, thereby has increased the ceramic fiber silk bundle's that this application equipment spun once quantity, and then has increased the spinning efficiency of this application spinning equipment.

Preferably, the device body comprises a spinning box body and a gel frame, the spinning box body is located above the gel frame, the spinning assembly is located on the spinning box body, the flash evaporation box and the drafting box are both arranged on the gel frame, a screw lifter is arranged between the spinning box body and the gel frame, the screw end of the screw lifter is connected with the spinning box body, and the base of the screw lifter is connected with the gel frame.

Through adopting above-mentioned technical scheme, set up the screw lifter for relevant personnel can be through the lift degree of adjusting the screw lifter, thereby adjust the distance between the box that spouts silk to the gel frame, thereby make relevant personnel can adjust the distance between the flash tank of spouting silk subassembly as required, and then increased the spinning performance of ceramic fiber silk bundle.

Preferably, a transparent protective cover is arranged on the top end of the gel frame.

Through adopting above-mentioned technical scheme, set up transparent protection casing for relevant personnel can observe the condition of the ceramic fiber silk bundle that is spun by spouting the silk subassembly through transparent protection casing, be favorable to relevant personnel to spinning quality's accuse, can protect screw rod riser simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the spinning assembly, the hot air supply assembly and the pressure air supply assembly are sequentially and vertically arranged downwards, so that the alumina ceramic fiber can be spun and molded on one device from bottom to bottom, and the occupied area of the alumina ceramic fiber spinning device is reduced;

2. the pressure air supply assembly and the narrow slit frame are arranged, so that the pressure air which is led out by the pressure air through hole on the pressure air pipeline can be blown out downwards through the narrow slit channel, the flow speed of the pressure air is increased, and the pressure air blows the sol thread to be molded, so that a good molding effect is achieved;

3. the hot air supply assembly is specifically arranged, so that hot air can be introduced into the flash evaporation box through the supply through hole on the supply pipe, and meanwhile, the return air pipe is arranged, so that waste gas in the flash evaporation cavity can be sucked out of the flash evaporation box by the return air pipe, the temperature of a cavity in the flash evaporation box is effectively ensured, the evaporation effect of solvent and redundant water in the sol filament is ensured, and the formation quality of the sol filament bundle is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall spinning apparatus used to embody the high temperature resistant ceramic fibers in an embodiment of the present application.

FIG. 2 is a schematic diagram of a structure used to embody a spin pack in an embodiment of the present application.

Fig. 3 is a schematic structural view of a slot frame according to an embodiment of the present application.

FIG. 4 is a schematic diagram of a configuration for embodying a pressurized air supply assembly in an embodiment of the present application

Reference numerals illustrate: 1. an equipment body; 11. a spinning box body; 111. a spinning assembly; 1111. a spinneret; 1112. a metering pump; 12. a gel frame; 13. a transparent protective cover; 14. a receiving frame; 2. a feed assembly; 21. a feed pump; 22. a filter; 23. a liquid dispenser; 3. a screw lifter; 4. a flash tank; 41. a flow hole; 42. a silk-passing groove; 5. a draft box; 51. a yarn outlet; 52. a wire feeding groove; 6. a hot air supply assembly; 61. a supply pipe; 62. an air return pipe; 63. an electric heating plate; 7. a pressure wind supply assembly; 71. a pressure air duct; 711. a pressure wind through hole; 72. an air inlet pipe; 8. a vent hole; 9. a narrow slit frame; 91. a placement cavity; 92. a slot passage.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses spinning equipment for high-temperature-resistant ceramic fibers. Referring to fig. 1, 2 and 3, a spinning apparatus for high temperature resistant ceramic fiber includes an apparatus body 1, one side of the apparatus body 1 is provided with a feeding assembly 2, the feeding assembly 2 includes a feeding pump 21, a filter 22 and a liquid dispenser 23, one end of the feeding pump 21 is used for communicating a sol source, the feeding pump 21 is communicated with one end of the filter 22 through a pipe, and the other end of the filter 22 is communicated with the liquid dispenser 23 through a pipe. The equipment body 1 comprises a spinning box 11 and a gel frame 12, the spinning box 11 is located above the gel frame 12, a screw lifter 3 is arranged between the spinning box 11 and the gel frame 12, and the screw lifter 3 is used for adjusting the distance between the spinning box 11 and the gel frame 12. The spinning box body 11 is provided with a spinning assembly 111, the gel frame 12 is provided with a flash evaporation box 4 and a drafting box 5 from top to bottom in sequence, the flash evaporation box 4 is used for receiving sol filaments sprayed by the spinning assembly 111, the flash evaporation box 4 is communicated with the drafting box 5, the flash evaporation box 4 is provided with a hot air supply assembly 6, the hot air supply assembly 6 is used for supplying hot air into the flash evaporation box 4, the drafting box 5 is internally provided with a pressure air supply assembly 7, the pressure air supply assembly 7 stretches and forms ceramic fiber tows through blowing downward inclined pressure air, and the bottom end of the drafting box 5 is also provided with a filament outlet 51 in a penetrating mode.

Referring to fig. 1 and 2, the feed pump 21 is preferably configured as a twin screw pump, so that the sol stock solution is uniformly delivered into the spinning assembly 111, and the possibility of damaging the performance of the stock solution is reduced, so as to better meet the spinning requirements. The spinning pack 111 includes a spinning nozzle 1111 and metering pumps 1112, preferably, the number of metering pumps 1112 is three, and each metering pump 1112 is provided with four outlets, and the number of spinning nozzles 1111 is twelve, and corresponds to the outlets of the metering pumps 1112 one by one. The outlet ends of the liquid distributors 23 are provided as three outlets, and the outlet end of each liquid distributor 23 is in communication with the inlet end of the metering pump 1112 through a pipe. Each metering pump 1112 is fixedly mounted on the top end of the spinning box 11 by bolts, and the bottom end of each metering pump 1112 passes through the top wall of the spinning box 11 and reaches the inside of the spinning box 11. Each of the spinning nozzles 1111 is located below the corresponding metering pump 1112, each of the spinning nozzles 1111 is communicated with the outlet of the corresponding metering pump 1112 and fixedly connected with the corresponding metering pump 1112, and each of the spinning nozzles 1111 is located in the spinning tank 11.

Referring to fig. 1 and 2, the top end of the screw lifter 3 is fixedly connected with the bottom end of the spinning box 11 through a bolt, the base of the screw lifter 3 is fixedly installed on the top wall of the gel frame 12 through a bolt, a device for controlling the self screw to lift is arranged in the screw lifter 3, and how to control the height of the screw lift in the screw lifter 3 is not explained in the application. A transparent protective cover 13 is further arranged between the spinning box 11 and the gel frame 12, and the bottom end of the transparent protective cover 13 is fixedly connected with the top end of the gel frame 12. The top wall of the gel frame 12 is provided with a receiving frame 14, the frame opening of the receiving frame 14 is vertically arranged, the frame opening of the receiving frame 14 penetrates through the top wall of the gel frame 12, the receiving frame 14 is made of transparent materials, and related personnel can observe spinning conditions through the transparent protective cover 13 and the receiving frame 14. The number of flash tanks 4 is three, and the flash tanks 4 are arranged along the height direction of the gel frame 12, and each flash tank 4 is fixedly arranged on the gel frame 12 through bolts.

Referring to fig. 1 and 2, the number of hot air supply assemblies 6 is three and are respectively located in the three flash tanks 4, each hot air supply assembly 6 comprises a supply pipe 61 and a return air pipe 62, and preferably, the number of the supply pipes 61 and the return air pipes 62 in each hot air supply assembly 6 is two and are located above the flash tanks 4. The two return air pipes 62 are located between the two supply pipes 61, and the bottom ends of the return air pipes 62 and the supply pipes 61 are attached to and fixedly connected with the top wall of the flash tank 4. The axes of the supply pipe 61 and the return pipe 62 are all arranged along the width direction of the gel frame 12, a plurality of ventilation holes 8 are formed in the bottom ends of each supply pipe 61 and the return pipe 62 in a penetrating manner, a plurality of ventilation holes 41 are formed in the top end of each flash tank 4, the ventilation holes 41 are in one-to-one correspondence with the ventilation holes 8, and the supply pipe 61 and the return pipe 62 are communicated with the flash tanks 4 through the ventilation holes 8 and the ventilation holes 41. The two ends of the supply pipe 61 are both used for communicating with a hot air source, alternatively, hot air can be introduced into the supply pipe 61 by a hot air blower, and the two ends of the return air pipe 62 are both used for communicating with an air suction source, alternatively, the air suction source can be selected as an air suction blower.

Referring to fig. 2 and 3, electric heating plates 63 are further provided in the flash tank 4, and preferably, the number of electric heating plates 63 is two, and the two electric heating plates 63 are respectively located at both ends of the electric heating plates 63 in the length direction thereof. The bottom ends of both the electric heating plates 63 are inclined in a direction approaching the other electric heating plate 63. Each electric heating plate 63 is fixedly arranged on the inner side wall of the flash evaporation box 4 through a bracket and a bolt, the top wall and the bottom wall of each flash evaporation box 4 are respectively provided with a through wire groove 42 in a penetrating way, the through wire grooves 42 are positioned between the two electric heating plates 63, and the through wire grooves 42 on the two adjacent flash evaporation boxes 4 correspond.

Referring to fig. 3 and 4, the draft box 5 is located at the lower side of the lowest flash box 4, a yarn feeding groove 52 is provided on the top end of the draft box 5 in a penetrating manner, and the yarn feeding groove 52 corresponds to the yarn passing groove 42 provided on the bottom wall of the lowest flash box 4. The draft box 5 is internally provided with two narrow slit frames 9, the number of the narrow slit frames 9 is two, the narrow slit frames 9 are respectively positioned at two ends of the draft box 5 along the length direction of the draft box, and the narrow slit frames 9 are fixedly connected with the inner wall of the draft box 5 through bolts. The cross section of each narrow slit frame 9 is in a right trapezoid shape, the length of the upper bottom is lower than that of the lower bottom, and a side wall where the right-angle waist is located at one side far away from the other narrow slit frame 9.

Referring to fig. 3 and 4, each slit frame 9 is provided with a placement cavity 91 and slit channels 92, the number of placement cavities 91 and slit channels 92 is three, and each placement cavity 91 is in one-to-one correspondence with a cavity in the draft box 5 through the slit channel 92. The three slit passages 92 are distributed along the height direction of the slit frame 9 and are all positioned on one side of the slit frame 9 away from the other slit frame 9, and one side of each slit passage 92 close to the other slit frame 9 is obliquely arranged downwards in the direction close to the other slit passage 92.

Referring to fig. 3 and 4, the number of the pressure wind supply assemblies 7 is set to six and corresponds to the placement chambers 91 one by one, and each pressure wind supply assembly 7 is located in the corresponding placement chamber 91. Each of the pressure air supply assemblies 7 includes a pressure air duct 71 and a plurality of air inlet pipes 72, the pressure air duct 71 is disposed along the width direction of the slit frame 9 and fixedly mounted on the inner bottom wall of the placement cavity 91, and a plurality of pressure air through holes 711 are provided at the top end of the pressure air duct 71 along the axial direction. Preferably, the number of the air inlet pipes 72 is four, the air inlet pipes are distributed along the axial direction of the pressure air pipeline 71, the same end of each air inlet pipe 72 is fixedly connected with the side end of the pressure air pipeline 71, the other end of each air inlet pipe 72 penetrates out of the narrow slit frame 9 and the draft box 5 to reach the outside and is used for communicating with a pressure air source, and optionally, the pressure air source can be set as air flow led out by a blower.

The implementation principle of the spinning equipment for the high-temperature-resistant ceramic fiber is as follows: when the device is used, the distance between the spinning box 11 and the gel frame 12 is adjusted through the screw lifter 3, then the feed pump 21 is opened, the feed pump 21 is used for introducing collagen solution into the filter 22, the filter 22 is used for filtering the introduced sol and introducing the sol into the liquid distributor 23, and the liquid distributor 23 is used for uniformly distributing the introduced sol into each metering pump 1112. The metering pump 1112 introduces the introduced sol liquid into the spinning jet 1111, the spinning jet 1111 sprays the sol, the sprayed sol falls under the action of its own gravity, when the sprayed sol falls into the flash tank 4, the hot air introduced from the electric heating plate 63 and the supply pipe 61 evaporates the solvent and the excessive water to change the sol filament into filament bundles, when the filament bundles fall into the drawing tank 5, the pressure air blows the filament bundles obliquely downwards through the narrow slit channel 92 to stretch the filament bundles to reduce the diameter of the filament bundles, and the filament bundles after stretch molding are introduced through the filament outlet 51.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a spinning equipment for high temperature resistant ceramic fiber, includes equipment body (1), be provided with filter (22) on equipment body (1), still be provided with in equipment body (1) and spout silk subassembly (111), spout silk subassembly (111) and be used for with the sol blowout that filter (22) lets in, its characterized in that: the utility model discloses a ceramic fiber spinning machine, including equipment body (1), flash tank (4) and draft box (5) have set gradually from the top down in equipment body (1), flash tank (4) are used for receiving spout silk subassembly (111) spun sol silk, flash tank (4) with draft box (5) intercommunication, be provided with hot-blast supply subassembly (6) on flash tank (4), hot-blast supply subassembly (6) are used for supplying let in hot-blast in flash tank (4), be provided with pressure wind supply subassembly (7) in draft box (5), pressure wind supply subassembly (7) are through blowing downward sloping pressure wind with ceramic fiber silk bundle draft shaping, filament outlet (51) have still been seted up in the bottom of draft box (5).

2. A spinning apparatus for refractory ceramic fibers according to claim 1, wherein: the utility model provides a pressure wind supply assembly (7) include pressure wind pipeline (71) and intake pipe (72), one side of pressure wind pipeline (71) with the one end intercommunication of intake pipe (72), the other end of intake pipe (72) is used for the intercommunication pressure wind source, pressure wind pipeline (71) set up in draft box (5), pressure wind pipeline (71) are followed the length direction setting of equipment body (1), a plurality of pressure wind through-holes (711) have been seted up on pressure wind pipeline (71), the wind direction downward sloping of the pressure wind of pressure wind through-hole (711) logical sets up.

3. A spinning apparatus for refractory ceramic fibers according to claim 2, wherein: still be provided with slit frame (9) in draft box (5), pressure wind pipeline (71) are located in slit frame (9), be provided with slit passageway (92) on slit frame (9), pressure wind through-hole (711) with cavity in draft box (5) is passed through slit passageway (92) intercommunication, slit passageway (92) downward sloping sets up.

4. A spinning apparatus for refractory ceramic fibers according to claim 1, wherein: the hot air supply assembly (6) comprises a supply pipe (61) and an air return pipe (62), wherein the supply pipe (61) and the air return pipe (62) are arranged on the top wall of the flash evaporation box (4), a plurality of ventilation holes (8) are formed in the bottom end of the supply pipe (61) and the bottom end of the air return pipe (62) in a penetrating mode, each ventilation hole (8) is communicated with a cavity in the flash evaporation box (4), two ends of the air return pipe (62) are both used for being connected with an air suction source, and two ends of the supply pipe (61) are both used for being connected with a hot air source.

5. A spinning apparatus for refractory ceramic fibers according to claim 1, wherein: an electric heating plate (63) is arranged in the flash tank (4), and the electric heating plate (63) is arranged on the inner side wall of the flash tank (4).

6. A spinning apparatus for refractory ceramic fibers according to claim 1, wherein: the spinning assembly (111) comprises a spinning sprayer (1111) and a metering pump (1112), the metering pump (1112) is arranged between the spinning sprayer (1111) and the filter (22), the metering pump (1112) is communicated with the filter (22), the outlet of the metering pump (1112) is arranged into a plurality of spinning sprayers (1111), the spinning sprayers (1111) are arranged into a plurality of spinning sprayers, the spinning sprayers are corresponding to the outlet of the metering pump (1112), the outlet of the metering pump (1112) is communicated with the inlet of the corresponding spinning sprayer (1111), and the spinning nozzle of the spinning sprayer (1111) is downwards arranged.

7. A spinning apparatus for refractory ceramic fibers according to claim 6, wherein: the equipment body (1) comprises a spinning box body (11) and a gel frame (12), the spinning box body (11) is located above the gel frame (12), a spinning assembly (111) is located on the spinning box body (11), a flash evaporation box (4) and a drawing box (5) are both arranged on the gel frame (12), a screw lifter (3) is arranged between the spinning box body (11) and the gel frame (12), a screw rod end of the screw lifter (3) is connected with the spinning box body (11), and a base of the screw lifter (3) is connected with the gel frame (12).

8. A spinning apparatus for refractory ceramic fibers according to claim 7, wherein: a transparent protective cover (13) is arranged at the top end of the gel frame (12).

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