CN213090474U

CN213090474U - Polycrystal mullite fiber with strong fire resistance

Info

Publication number: CN213090474U
Application number: CN202022258651.4U
Authority: CN
Inventors: 舒杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-30
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a polycrystal mullite fiber with strong fire resistance, which comprises a polycrystal mullite fiber layer, wherein a top plate is arranged at the top of the polycrystal mullite fiber layer, side plates are arranged at two ends of the top plate, a support rod is arranged at the bottom of the top plate, a cross brace is arranged at the lower end of the support rod, and a reinforcing rod is inserted in the cross brace, the polycrystal mullite fiber plate with larger specification can be built as required, the existence of gaps can be greatly reduced in the using process, so that better heat preservation effect is exerted, the strength of the polycrystal mullite fiber plate can be increased by arranging the top plate, the fire resistance of the polycrystal mullite fiber plate is improved, the polycrystal mullite fiber layer can be formed into larger specification by arranging the cross brace, the too large specification of the formed polycrystal mullite fiber plate can be prevented by arranging the supporting rod and the reinforcing rod, and the deformation caused by leading to the overlong cross brace can be increased, the polycrystalline mullite fiber with strong fire resistance has the advantages of simple structure, convenient production and suitability for popularization.

Description

Polycrystal mullite fiber with strong fire resistance

Technical Field

The utility model relates to a refractory material technical field specifically is a polycrystal mullite fibre that fire proofness is strong.

Background

The polycrystalline mullite fiber is one of polycrystalline alumina fibers, and Al in the fibers₂O₃The content is between 72 and 75 percent, and Al is common₂O₃The content of the mullite fiber is more than 80 percent, namely the mullite fiber is called as polycrystalline alumina fiber, the main crystal phase of the polycrystalline mullite fiber is a single mullite phase, and the polycrystalline alumina fiber is one of the polycrystalline alumina fibers which is used at high temperature and has the best thermal stability.

Polycrystalline Mullite Fiber (PMF) is the most popular at home and abroad todayThe novel ultra-light high-temperature refractory fiber is whole Al₂O₃-SiO₂The material is one of ceramic fibers, the use temperature is 1500-1700 ℃, the use temperature is higher than that of glass fiber by 200-; the method provides an ideal means for industrial and mining enterprises with thermal equipment to reform old equipment, increase production, save energy, improve environment, even progress. The polycrystalline mullite fiber product can be used for silicon carbide electric furnaces, molybdenum silicide electric furnaces, various steel heating furnaces, mechanical forging furnaces and the like for a long time, the heat efficiency of equipment can be obviously improved, energy sources are greatly saved, the production efficiency is improved, and the product quality is improved.

The polycrystalline mullite fiber is widely applied to the lining heat insulation of high-temperature industrial kilns and other thermal equipment in the fields of metallurgy, machinery, ceramics, electronics, petrifaction, aerospace and the like. Can achieve the purposes of saving energy, increasing yield, reducing temperature difference in the furnace, improving product quality, reducing spare part consumption, prolonging the service life of the furnace body and improving working environment.

In the use process of the furnace, in order to better keep heat and prevent a large amount of heat from being dissipated, a circle of refractory material protective layer is generally arranged around the inner wall of the furnace, and the refractory material protective layer is generally formed by overlapping and combining small polycrystalline mullite fiber modules. Because of the superposition of a plurality of small blocks, gaps which are large and small exist among all the plates, when the furnace kiln is heated and used, the gaps can be enlarged due to the change of temperature, so that the heat preservation effect of the furnace kiln is reduced, the waste of fuel is caused, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polycrystal mullite fibre that fire proofness is strong to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polycrystal mullite fiber that fire proofness is strong, includes polycrystal mullite fiber layer, the roof is installed at polycrystal mullite fiber layer top, and the curb plate is installed at the roof both ends, and the bracing piece is installed to the roof bottom, and the stull is installed to the bracing piece lower extreme, and polycrystal mullite fiber layer both ends upper portion is provided with the recess that corresponds with the curb plate.

As a further aspect of the present invention: the bottom of the two ends of the top plate is provided with a T-shaped clamping groove, a side plate is installed in the T-shaped clamping groove, and the top of the side plate is fixedly connected with a T-shaped clamping block corresponding to the T-shaped clamping groove.

As a further aspect of the present invention: the supporting rod is connected to the bottom of the top plate in a threaded mode, the supporting rods are arranged in a plurality of mode, a corresponding threaded hole I is formed in the bottom of the top plate, a stud I and a stud II corresponding to the threaded hole I are fixedly connected to the upper end and the lower end of the supporting rod, and the spiral line directions of the stud I and the stud II are opposite.

As a further aspect of the present invention: the lower end of the support rod is in threaded connection with a plurality of cross braces in the polycrystalline mullite fiber layer, and the top of each cross brace is provided with a second threaded hole corresponding to the second stud.

As a further aspect of the present invention: the middle of the cross brace is longitudinally provided with a plurality of through holes, reinforcing rods are inserted into the through holes, two ends of the cross brace penetrate through the polycrystalline mullite fiber layer and are in sliding connection with the side plates, the two ends of the cross brace are fixedly connected with sliding blocks, and sliding grooves corresponding to the sliding blocks are formed in the inner sides of the side plates.

As a further aspect of the present invention: the top plate, the side plate, the T-shaped clamping block, the supporting rod, the stud I, the stud II, the cross brace, the reinforcing rod and the sliding block are all made of heat-resistant steel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can establish the great polycrystal mullite fiberboard of specification as required, the in-process that uses can reduce the existence in gap in a large number, thereby exert better heat preservation effect, the setting of roof can increase the intensity of polycrystal mullite fiberboard, increase its fire resistance, the setting up of stull makes polycrystal mullite fiber layer can the shaping bigger specification, the setting up of bracing piece and stiffener can prevent that the specification of fashioned polycrystal mullite fiberboard is too big, and lead to stull overlength and lead to deformation, can increase its steadiness, this polycrystal mullite fiber simple structure that the fireproofness is strong, and is convenient for production, and is suitable for the popularization.

Drawings

FIG. 1 is a schematic view of a highly fire resistant polycrystalline mullite fiber structure.

FIG. 2 is a schematic sectional view of a polycrystalline mullite fiber with high fire resistance.

FIG. 3 is a schematic top sectional view of a highly fire resistant polycrystalline mullite fiber.

Fig. 4 is an enlarged schematic view of a.

In the figure: the structure comprises a polycrystalline mullite fiber layer 1, a top plate 2, a T-shaped clamping groove 3, a side plate 4, a T-shaped clamping block 5, a support rod 6, a threaded hole I7, a stud I8, a stud II 9, a cross brace 10, a threaded hole II 11, a through hole 12, a reinforcing rod 13, a sliding block 14, a sliding groove 15 and a groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a polycrystalline mullite fiber with strong fire resistance includes a polycrystalline mullite fiber layer 1, a top plate 2 is installed on the top of the polycrystalline mullite fiber layer 1, strength of the polycrystalline mullite fiber plate can be increased, fire resistance of the polycrystalline mullite fiber plate can be increased, T-shaped slots 3 are formed in bottoms of two ends of the top plate 2, a side plate 4 is installed in each T-shaped slot 3, a T-shaped fixture block 5 corresponding to the T-shaped slot 3 is fixedly connected to a top of each side plate 4, a support rod 6 is connected to a bottom of the top plate 2 through a thread, a plurality of support rods 6 are arranged on the bottom of the top plate 2, a corresponding threaded hole one 7 is arranged on the bottom of the top plate 2, a stud one 8 and a stud two 9 corresponding to the threaded hole one 7 are fixedly connected to upper and lower ends of the support rod 6, helical, the cross braces 10 are provided with a plurality of cross braces 10, the polycrystalline mullite fiber layer can be molded into a larger specification, the top of each cross brace 10 is provided with a threaded hole II 11 corresponding to the stud II 9, the middle of each cross brace 10 is longitudinally provided with a plurality of through holes 12, reinforcing rods 13 are inserted into the through holes 12, the supporting rods 6 and the reinforcing rods 13 are arranged to prevent the molded polycrystalline mullite fiber plate from being over-large in specification, and the deformation is caused by the overlong wale 10, the stability of the wale can be increased, two ends of the wale 10 pass through the polycrystalline mullite fiber layer 1 to be connected with the side plate 4 in a sliding way, two ends of the wale 10 are fixedly connected with sliding blocks 14, the inner side of the side plate 4 is provided with a sliding groove 15 corresponding to the sliding blocks 14, the top plate 2, the side plate 4, the T-shaped fixture block 5, the support rod 6, the first stud 8, the second stud 9, the cross brace 10, the reinforcing rod 13 and the sliding block 14 are all made of heat-resistant steel, so that the strength of the polycrystalline mullite fiber plate is higher.

The utility model discloses can build the great polycrystal mullite fiberboard of specification as required, can reduce the existence in gap in a large number at the in-process that uses to exert better heat preservation effect, and simple structure, production is convenient, is suitable for the popularization.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a polycrystal mullite fiber that fire proofness is strong, includes polycrystal mullite fiber layer (1), its characterized in that, roof (2) are installed at polycrystal mullite fiber layer (1) top, and curb plate (4) are installed at roof (2) both ends, and bracing piece (6) are installed to roof (2) bottom, and stull (10) are installed to bracing piece (6) lower extreme, and polycrystal mullite fiber layer (1) both ends upper portion is provided with recess (16) that correspond with curb plate (4).

2. The polycrystalline mullite fiber with high fire resistance as claimed in claim 1, wherein T-shaped clamping grooves (3) are formed in the bottoms of the two ends of the top plate (2), side plates (4) are installed in the T-shaped clamping grooves (3), and T-shaped clamping blocks (5) corresponding to the T-shaped clamping grooves (3) are fixedly connected to the tops of the side plates (4).

3. The polycrystalline mullite fiber with high fire resistance as claimed in claim 1, wherein a plurality of support rods (6) are connected to the bottom of the top plate (2) in a threaded manner, a corresponding threaded hole I (7) is formed in the bottom of the top plate (2), a stud I (8) and a stud II (9) corresponding to the threaded hole I (7) are fixedly connected to the upper end and the lower end of each support rod (6), and the spiral line directions of the stud I (8) and the stud II (9) are opposite.

4. The polycrystalline mullite fiber with high fire resistance as claimed in claim 3, wherein cross braces (10) are connected to the lower ends of the support rods (6) in the polycrystalline mullite fiber layer (1) in a threaded mode, the number of the cross braces (10) is multiple, and threaded holes (11) corresponding to the studs (9) are formed in the tops of the cross braces (10).

5. The polycrystalline mullite fiber with high fire resistance according to claim 1, wherein a plurality of through holes (12) are longitudinally formed in the middle of the cross-brace (10), reinforcing rods (13) are inserted into the through holes (12), two ends of the cross-brace (10) penetrate through the polycrystalline mullite fiber layer (1) and are in sliding connection with the side plates (4), sliding blocks (14) are fixedly connected to two ends of the cross-brace (10), and sliding grooves (15) corresponding to the sliding blocks (14) are formed in the inner sides of the side plates (4).

6. The polycrystalline mullite fiber with high fire resistance as claimed in claim 1, wherein the top plate (2), the side plates (4), the T-shaped fixture blocks (5), the support rods (6), the first studs (8), the second studs (9), the cross braces (10), the reinforcing rods (13) and the sliding blocks (14) are made of heat-resistant steel.