CN210980775U - Square furnace lining made of refractory material and used for 2500 ℃ tungsten-molybdenum sintering furnace - Google Patents
Square furnace lining made of refractory material and used for 2500 ℃ tungsten-molybdenum sintering furnace Download PDFInfo
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- CN210980775U CN210980775U CN201921722634.2U CN201921722634U CN210980775U CN 210980775 U CN210980775 U CN 210980775U CN 201921722634 U CN201921722634 U CN 201921722634U CN 210980775 U CN210980775 U CN 210980775U
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Abstract
The utility model discloses a 2500 ℃ tungsten molybdenum square furnace lining for sintering furnace made by refractory material, include inside lining (1), well lining (2) and outer lining (3) of being made by refractory material, wherein inside lining (1) periphery is located to well lining (2) cover, wherein well lining (2) periphery is located to outer lining (3) cover, the cross section of inside lining (1), well lining (2) and outer lining (3) is square, wherein is equipped with first dilatation joint between inside lining (1) and well lining (2), wherein is equipped with the second dilatation joint between well lining (2) and outer lining (3), wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining (1), well lining (2) and outer lining (3) all set up on the collet. The utility model discloses square furnace lining structure has increased the furnace lining utilization ratio of feeding by a wide margin, compares vertical circular structure, and its energy resource consumption reduces by a wide margin, and the productivity increases, the effectual market competition who improves the product.
Description
Technical Field
The utility model belongs to the technical field of tungsten molybdenum processing equipment, especially, relate to a 2500 ℃ square furnace lining for tungsten molybdenum sintering furnace that is made by refractory material.
Background
The medium frequency induction sintering furnace is important equipment used for sintering special metals such as tungsten, molybdenum and the like, the highest temperature of the currently used tungsten-molybdenum sintering furnace is 2300 ℃, and because the environment and the temperature of different parts of the sintering furnace are different, the structure of the refractory material of the furnace core is different, so that the service life of the refractory material of each part is different.
At present, the hearth of a tungsten-molybdenum sintering furnace which is conventionally used is round, and when a plate blank is sintered, the space utilization rate is low, the energy consumption is high, the efficiency is low, and the requirement for large-scale sintering of the plate blank cannot be met. In addition, in the sintering process, due to insufficient charging, the slab is easy to deform in the sintering process, so that the subsequent processing and manufacturing are inconvenient, in order to save cost, the deformed slab needs to be heated and corrected, the production cost is increased, and the quality of the product is influenced by heating and pressure processing in the correction process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a 2500 ℃ tungsten molybdenum sintering furnace square furnace lining for stove made by refractory material, overcome among the prior art 1: the hearth of the tungsten-molybdenum sintering furnace which is conventionally used at present is round, and when a plate blank is sintered, the space utilization rate is low, the energy consumption is high, the efficiency is low, and the requirement for large-scale sintering of the plate blank cannot be met; 2: in the sintering process of the existing sintering furnace, because of insufficient charging, the plate blank is easy to deform in the sintering process, and the subsequent processing and manufacturing are inconvenient; 3: the deformed plate blank needs to be heated and corrected, so that the production cost is increased, and the quality of a product is influenced by heating and pressure processing in the correction process; 4: the prior art does not provide the problems of a corresponding square furnace lining for a square tungsten-molybdenum induction sintering furnace and the like.
In order to solve the technical problem, the technical scheme of the utility model is that: the square furnace lining for the 2500 ℃ tungsten-molybdenum sintering furnace made of the refractory material comprises an inner lining, a middle lining and an outer lining made of the refractory material, wherein the middle lining is arranged on the periphery of the inner lining, the outer lining is arranged on the periphery of the middle lining, the cross sections of the inner lining, the middle lining and the outer lining are square, a first expansion joint is arranged between the inner lining and the middle lining, a second expansion joint is arranged between the middle lining and the outer lining, the range of the first expansion joint and the range of the second expansion joint are both 5-30 mm, and the inner lining, the middle lining and the outer lining are all arranged on a bottom support.
Preferably, the inner liner, the middle liner and the outer liner are all made of shaped bricks, wherein the shaped bricks of the inner liner are made of heavy zirconia, the shaped bricks made of heavy zirconia have the functions of high temperature resistance and heat insulation, the shaped bricks of the middle liner are made of zirconia hollow spheres, the shaped bricks made of zirconia hollow spheres have the function of heat insulation, and the shaped bricks of the outer liner are made of alumina hollow spheres, the shaped bricks made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, the collet includes upper collet, middle level collet and lower floor's collet, and wherein the middle level collet sets up in lower floor's collet up end, and wherein the upper collet sets up in middle level collet up end, upper collet, middle level collet and lower floor's collet are the square structure of inside annular space, and wherein the size of lower floor's collet is greater than the size of middle level collet, and wherein the size of middle level collet is greater than the size of upper collet.
Preferably, the inner lining is built on the upper side edge of the upper layer base support by the shaped bricks, the middle lining is built on the upper side edge of the middle layer base support by the shaped bricks, the outer lining is built on the upper side edge of the lower layer base support by the shaped bricks, the top height of the outer lining is greater than that of the inner lining and the middle lining, the top heights of the inner lining and the middle lining are the same, the thickness of the shaped bricks of the inner lining is greater than that of the shaped bricks of the middle lining, and the thickness of the shaped bricks of the middle lining is greater than that of the shaped bricks of the outer lining.
Preferably, the mold blocks include square type blocks for erecting four sides of the shape liner/middle liner/outer liner, and rounded type blocks for erecting four corners of the shape liner/middle liner/outer liner.
Preferably, square type brick is square structure, and wherein fillet type brick is tile sheet structure, square type brick/fillet type brick up end rear side is equipped with the tang, and wherein square type brick/fillet type brick lower extreme face front side is equipped with down the tang, and wherein square type brick/fillet type brick left end face front side is equipped with left tang, and wherein square type brick/fillet type brick right end face rear side is equipped with right tang, a plurality of square type bricks are built the shaping brick layer of system through the cooperation of left tang and right tang, and the corner on its medium-sized brick layer uses fillet type brick to connect, adjacent type brick layer is built the system through the cooperation of last tang and lower tang and is formed inside lining/well lining/outer lining.
Preferably, a third expansion joint is arranged between the upper seam allowance and the lower seam allowance of the two adjacent square shaped bricks/fillet shaped bricks, a fourth expansion joint is arranged between the left seam allowance and the right seam allowance of the two adjacent square shaped bricks/fillet shaped bricks, the range of the third expansion joint is 0.2-2 mm, and the range of the fourth expansion joint is 0.2-5 mm.
Preferably, the fourth expansion joints of the adjacent brick layers are staggered with each other, the third expansion joints and the fourth expansion joints of the lining bricks, the middle lining bricks and the outer lining bricks are staggered with each other, and the weight of each brick is 5-15 kg.
Preferably, a square furnace core is arranged below the inner side of the furnace lining, the top of the square furnace core is flush with the top of the upper bottom support, the length of the lining of the furnace lining is 1570mm, and the width of the lining is 1370 mm.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses the furnace wall adopts square structure, and the wick is also square structure, and this kind of structure can make by sintering tungsten molybdenum slab goods level place on square wick, because square wick top and upper strata base top flush, furthest has improved the bending deformation of by sintering tungsten molybdenum slab goods, reduces the alignment levelling process of tungsten molybdenum goods by a wide margin, reduction in production cost, avoids heating and the influence of pressure working to the goods quality in the school type process simultaneously;
(2) the utility model discloses the inside lining type brick of furnace wall is made by heavy zirconia, plays high temperature resistant thermal-insulated effect, and the type brick of well lining is made by the zirconia clean shot, plays the effect of heat preservation, and the type brick of outer lining is made by the alumina clean shot, plays heat preservation and insulating effect, and this refractory material can increase the life and the utilization ratio of furnace wall, reduces energy consumption, the utility model discloses square furnace wall can be used for a long time under 2500 ℃ of temperature;
(3) the utility model discloses square furnace wall comprises square inside lining, well lining and outer lining, wherein the type brick of square inside lining, well lining and outer lining cooperates through last tang, lower tang, left tang and right tang respectively, has greatly reduced energy consumption, and the fourth dilatation joint of adjacent type brick layer is all staggered each other simultaneously, and the third dilatation joint and the fourth dilatation joint of inside lining, well lining and outer lining type brick are all staggered each other, avoid calorific loss, reduction in production cost;
(4) the utility model discloses square furnace lining structure has increased the furnace lining utilization ratio of feeding by a wide margin, compares vertical circular structure, and its energy resource consumption reduces by a wide margin, and the productivity increases, the effectual market competition who improves the product.
Drawings
FIG. 1 is a schematic front view of a square furnace lining for a 2500 ℃ tungsten-molybdenum sintering furnace made of refractory materials according to the present invention;
FIG. 2 is a schematic top view of a square furnace lining made of refractory material for a 2500 ℃ tungsten-molybdenum sintering furnace according to the present invention;
FIG. 3 is a schematic view of the structure of a square brick made of refractory material and used as a square lining for a 2500 ℃ tungsten-molybdenum sintering furnace;
FIG. 4 is a schematic left-view structural diagram of a square brick of a square furnace lining for a 2500 ℃ tungsten-molybdenum sintering furnace made of refractory materials according to the present invention;
FIG. 5 is a schematic top view of a square brick of a square furnace lining for a 2500 ℃ tungsten-molybdenum sintering furnace made of refractory materials according to the present invention;
FIG. 6 is a schematic view of the top view of the square-lined round-corner brick made of refractory material for the 2500 deg.C tungsten-molybdenum sintering furnace.
Description of reference numerals:
1-inner lining, 2-middle lining, 3-outer lining, 4-shaped brick, 5-upper bottom support, 6-middle bottom support, 7-lower bottom support, 8-square shaped brick, 9-round-corner shaped brick, 10-upper seam allowance, 11-lower seam allowance, 12-left seam allowance, 13-right seam allowance and 14-square furnace core.
Detailed Description
The following description of the embodiments of the present invention is provided in connection with the following embodiments:
it should be noted that the structures, ratios, sizes, etc. illustrated in the present specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example 1
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Example 2
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Example 3
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Example 4
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Preferably, as shown in fig. 1, the inner lining 1 is built by shaped bricks 4 from the upper side edge of an upper layer base support 5, the middle lining 2 is built by shaped bricks 4 from the upper side edge of a middle layer base support 6, the outer lining 3 is built by shaped bricks 4 from the upper side edge of a lower layer base support 7, the top height of the outer lining 3 is larger than that of the inner lining 1 and the middle lining 2, the top heights of the inner lining 1 and the middle lining 2 are the same, the thickness of the shaped bricks 4 of the inner lining 1 is larger than that of the shaped bricks 4 of the middle lining 2, and the thickness of the shaped bricks 4 of the middle lining 2 is larger than that of the shaped bricks 4 of the outer lining 3.
Example 5
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Preferably, as shown in fig. 1, the inner lining 1 is built by shaped bricks 4 from the upper side edge of an upper layer base support 5, the middle lining 2 is built by shaped bricks 4 from the upper side edge of a middle layer base support 6, the outer lining 3 is built by shaped bricks 4 from the upper side edge of a lower layer base support 7, the top height of the outer lining 3 is larger than that of the inner lining 1 and the middle lining 2, the top heights of the inner lining 1 and the middle lining 2 are the same, the thickness of the shaped bricks 4 of the inner lining 1 is larger than that of the shaped bricks 4 of the middle lining 2, and the thickness of the shaped bricks 4 of the middle lining 2 is larger than that of the shaped bricks 4 of the outer lining 3.
Preferably, as shown in fig. 3 to 6, the shaped bricks 4 include square shaped bricks 8 and rounded shaped bricks 9, wherein the square shaped bricks 8 are used for erecting four sides of the shape lining 1/middle liner 2/outer liner 3, and the rounded shaped bricks 9 are used for erecting four corners of the shape lining 1/middle liner 2/outer liner 3.
Example 6
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Preferably, as shown in fig. 1, the inner lining 1 is built by shaped bricks 4 from the upper side edge of an upper layer base support 5, the middle lining 2 is built by shaped bricks 4 from the upper side edge of a middle layer base support 6, the outer lining 3 is built by shaped bricks 4 from the upper side edge of a lower layer base support 7, the top height of the outer lining 3 is larger than that of the inner lining 1 and the middle lining 2, the top heights of the inner lining 1 and the middle lining 2 are the same, the thickness of the shaped bricks 4 of the inner lining 1 is larger than that of the shaped bricks 4 of the middle lining 2, and the thickness of the shaped bricks 4 of the middle lining 2 is larger than that of the shaped bricks 4 of the outer lining 3.
Preferably, as shown in fig. 3 to 6, the shaped bricks 4 include square shaped bricks 8 and rounded shaped bricks 9, wherein the square shaped bricks 8 are used for erecting four sides of the shape lining 1/middle liner 2/outer liner 3, and the rounded shaped bricks 9 are used for erecting four corners of the shape lining 1/middle liner 2/outer liner 3.
Preferably, as shown in fig. 3 to 6, the square-shaped brick 8 is of a square structure, wherein the fillet-shaped brick 9 is of a tile-shaped structure, an upper seam allowance 10 is arranged on the rear side of the upper end face of the square-shaped brick 8/the fillet-shaped brick 9, a lower seam allowance 11 is arranged on the front side of the lower end face of the square-shaped brick 8/the fillet-shaped brick 9, a left seam allowance 12 is arranged on the front side of the left end face of the square-shaped brick 8/the fillet-shaped brick 9, a right seam allowance 13 is arranged on the rear side of the right end face of the square-shaped brick 8/the fillet-shaped brick 9, the square-shaped bricks 8 are stacked to form a corner of a formed brick layer through the matching of the left seam allowance 12 and the right seam allowance 13, the fillet-shaped brick 9 is used for connection of the middle brick layer, and the adjacent brick layers are stacked to form a lining 1/a middle lining 2/outer lining 3 through.
Example 7
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Preferably, as shown in fig. 1, the inner lining 1 is built by shaped bricks 4 from the upper side edge of an upper layer base support 5, the middle lining 2 is built by shaped bricks 4 from the upper side edge of a middle layer base support 6, the outer lining 3 is built by shaped bricks 4 from the upper side edge of a lower layer base support 7, the top height of the outer lining 3 is larger than that of the inner lining 1 and the middle lining 2, the top heights of the inner lining 1 and the middle lining 2 are the same, the thickness of the shaped bricks 4 of the inner lining 1 is larger than that of the shaped bricks 4 of the middle lining 2, and the thickness of the shaped bricks 4 of the middle lining 2 is larger than that of the shaped bricks 4 of the outer lining 3.
Preferably, as shown in fig. 3 to 6, the shaped bricks 4 include square shaped bricks 8 and rounded shaped bricks 9, wherein the square shaped bricks 8 are used for erecting four sides of the shape lining 1/middle liner 2/outer liner 3, and the rounded shaped bricks 9 are used for erecting four corners of the shape lining 1/middle liner 2/outer liner 3.
Preferably, as shown in fig. 3 to 6, the square-shaped brick 8 is of a square structure, wherein the fillet-shaped brick 9 is of a tile-shaped structure, an upper seam allowance 10 is arranged on the rear side of the upper end face of the square-shaped brick 8/the fillet-shaped brick 9, a lower seam allowance 11 is arranged on the front side of the lower end face of the square-shaped brick 8/the fillet-shaped brick 9, a left seam allowance 12 is arranged on the front side of the left end face of the square-shaped brick 8/the fillet-shaped brick 9, a right seam allowance 13 is arranged on the rear side of the right end face of the square-shaped brick 8/the fillet-shaped brick 9, the square-shaped bricks 8 are stacked to form a corner of a formed brick layer through the matching of the left seam allowance 12 and the right seam allowance 13, the fillet-shaped brick 9 is used for connection of the middle brick layer, and the adjacent brick layers are stacked to form a lining 1/a middle lining 2/outer lining 3 through.
Preferably, as shown in fig. 3 to 6, a third expansion gap is arranged between the upper stop opening 10 and the lower stop opening 11 of the two adjacent square bricks 8/fillet bricks 9, a fourth expansion gap is arranged between the left stop opening 12 and the right stop opening 13 of the two adjacent square bricks 8/fillet bricks 9, the range of the third expansion gap is 0.2 to 2mm, and the range of the fourth expansion gap is 0.2 to 5 mm.
Example 8
As shown in figures 1-2, the utility model discloses a 2500 ℃ square furnace wall for tungsten molybdenum sintering furnace made by refractory material, include inside lining 1, well lining 2 and outer lining 3 made by refractory material, wherein the inside lining 1 periphery is located to well lining 2 cover, wherein the inside lining 2 periphery is located to outer lining 3 cover, the cross section of inside lining 1, well lining 2 and outer lining 3 is square, wherein is equipped with first dilatation joint between inside lining 1 and the well lining 2, wherein is equipped with the second dilatation joint between well lining 2 and the outer lining 3, and wherein the scope of first dilatation joint and second dilatation joint is 5~30mm, inside lining 1, well lining 2 and outer lining 3 all set up on the collet.
Preferably, as shown in fig. 1-2, the inner lining 1, the middle lining 2 and the outer lining 3 are all made of building bricks 4, wherein the building bricks 4 of the inner lining 1 are made of heavy zirconia, wherein the building bricks 4 made of heavy zirconia have the functions of high temperature resistance and heat insulation, the building bricks 4 of the middle lining 2 are made of zirconia hollow spheres, wherein the building bricks 4 made of zirconia hollow spheres have the functions of heat insulation, the building bricks 4 of the outer lining 3 are made of alumina hollow spheres, and wherein the building bricks 4 made of alumina hollow spheres have the functions of heat insulation and insulation.
Preferably, as shown in fig. 1, the collet includes an upper layer collet 5, a middle layer collet 6 and a lower layer collet 7, wherein the middle layer collet 6 is disposed on the upper end surface of the lower layer collet 7, wherein the upper layer collet 5 is disposed on the upper end surface of the middle layer collet 6, the upper layer collet 5, the middle layer collet 6 and the lower layer collet 7 are all square structures with an internal annular space, wherein the size of the lower layer collet 7 is larger than that of the middle layer collet 6, and the size of the middle layer collet 6 is larger than that of the upper layer collet 5.
Preferably, as shown in fig. 1, the inner lining 1 is built by shaped bricks 4 from the upper side edge of an upper layer base support 5, the middle lining 2 is built by shaped bricks 4 from the upper side edge of a middle layer base support 6, the outer lining 3 is built by shaped bricks 4 from the upper side edge of a lower layer base support 7, the top height of the outer lining 3 is larger than that of the inner lining 1 and the middle lining 2, the top heights of the inner lining 1 and the middle lining 2 are the same, the thickness of the shaped bricks 4 of the inner lining 1 is larger than that of the shaped bricks 4 of the middle lining 2, and the thickness of the shaped bricks 4 of the middle lining 2 is larger than that of the shaped bricks 4 of the outer lining 3.
Preferably, as shown in fig. 3 to 6, the shaped bricks 4 include square shaped bricks 8 and rounded shaped bricks 9, wherein the square shaped bricks 8 are used for erecting four sides of the shape lining 1/middle liner 2/outer liner 3, and the rounded shaped bricks 9 are used for erecting four corners of the shape lining 1/middle liner 2/outer liner 3.
Preferably, as shown in fig. 3 to 6, the square-shaped brick 8 is of a square structure, wherein the fillet-shaped brick 9 is of a tile-shaped structure, an upper seam allowance 10 is arranged on the rear side of the upper end face of the square-shaped brick 8/the fillet-shaped brick 9, a lower seam allowance 11 is arranged on the front side of the lower end face of the square-shaped brick 8/the fillet-shaped brick 9, a left seam allowance 12 is arranged on the front side of the left end face of the square-shaped brick 8/the fillet-shaped brick 9, a right seam allowance 13 is arranged on the rear side of the right end face of the square-shaped brick 8/the fillet-shaped brick 9, the square-shaped bricks 8 are stacked to form a corner of a formed brick layer through the matching of the left seam allowance 12 and the right seam allowance 13, the fillet-shaped brick 9 is used for connection of the middle brick layer, and the adjacent brick layers are stacked to form a lining 1/a middle lining 2/outer lining 3 through.
Preferably, as shown in fig. 3 to 6, a third expansion gap is arranged between the upper stop opening 10 and the lower stop opening 11 of the two adjacent square bricks 8/fillet bricks 9, a fourth expansion gap is arranged between the left stop opening 12 and the right stop opening 13 of the two adjacent square bricks 8/fillet bricks 9, the range of the third expansion gap is 0.2 to 2mm, and the range of the fourth expansion gap is 0.2 to 5 mm.
Preferably, as shown in fig. 1-2, the fourth expansion joints of the adjacent brick layers are staggered with each other, wherein the third expansion joints and the fourth expansion joints of the inner lining 1, the middle lining 2 and the outer lining 3 brick 4 are staggered with each other, and the weight of each brick 4 ranges from 5kg to 15 kg.
Preferably, as shown in fig. 1, a square furnace core 14 is arranged below the inner side of the furnace lining, wherein the top of the square furnace core 14 is flush with the top of the upper bottom support 5, the length of the lining 1 of the furnace lining is 1570mm, and the width of the lining 1 is 1370 mm.
The heavy zirconia, the zirconia hollow spheres and the alumina hollow spheres are all made of the existing refractory materials.
The working principle of the utility model is as follows:
as shown in figures 1-2, the utility model provides a 2500 ℃ tungsten molybdenum sintering furnace made of refractory material uses square furnace wall structure, by square crucible as the heat-generating body, utilizes square induction coil to carry out induction heating, and the equipment temperature reaches 2500 ℃ and adopts square refractory structure to keep warm, guarantees induction coil's use, and square refractory structure comprises square furnace core 14, square furnace wall, top cap, the utility model discloses mainly square furnace wall, square furnace wall comprises inside lining (heavy zirconia), middle lining (zirconia hollow ball), outer lining (alumina hollow ball), heavy zirconia mainly plays the high temperature resistant thermal-insulated effect, zirconia hollow ball plays the heat retaining effect, alumina hollow ball plays the heat retaining and insulating effect, leaves certain dilatation joint between every layer of furnace wall, extrusion deformation when avoiding high temperature heat to rise, the higher temperature resistant of material just requires reserved dilatation joint to be bigger, each layer of furnace lining is built by the shaped bricks with the same structure and different sizes, the gaps among the shaped bricks are required to be staggered in the splicing process, each shaped brick is provided with an upper spigot, a lower spigot, a left spigot and a right spigot for occlusion, and a certain amount of gaps are reserved when the spigots are matched, so that the stable structure in the building process is ensured; when the brick is built, the expansion joints among the inner lining, the middle lining and the outer lining are required to be staggered, so that heat loss is avoided, the four corners of the furnace lining are rounded, smooth transition is realized, the usability is ensured, the weight of each furnace lining is controlled within the range of 5-15 kg, the processing difficulty of a single brick is reduced, and the service life of the furnace lining can be prolonged.
The utility model discloses what the furnace wall adopted is square structure, and the wick is also square structure, and this kind of structure can make and be placed on square wick by sintering tungsten molybdenum slab goods level, because square wick top flushes with upper strata base top, furthest has improved the bending deformation by sintering tungsten molybdenum slab goods, reduces the alignment levelling process of tungsten molybdenum goods by a wide margin, reduction in production cost avoids the heating of school type in-process and the influence of pressure processing to the goods quality simultaneously.
The utility model discloses square furnace lining comprises square inside lining, well lining and outer lining, and wherein the type brick of square inside lining, well lining and outer lining cooperates through last tang, lower tang, left tang and right tang respectively, the energy resource consumption that has significantly reduced, and the fourth expansion joint on adjacent type brick layer all staggers each other simultaneously, and the third expansion joint and the fourth expansion joint of inside lining, well lining and outer lining type brick all stagger each other, avoid calorific loss, reduction in production cost.
The utility model discloses the inside lining type brick of furnace wall is made by heavy zirconia, plays high temperature resistant thermal-insulated effect, and the type brick of well lining is made by the zirconia clean shot, plays heat retaining effect, and the type brick of outer lining is made by the alumina clean shot, plays heat preservation and insulating effect, and this refractory material can increase the life and the utilization ratio of furnace wall, reduces energy consumption, uses under 2500 ℃ of conditions for a long time through many times the utility model discloses square furnace wall to indeformable or ablation can prove the utility model discloses square furnace wall can be used for a long time under 2500 ℃ of temperature.
The utility model discloses square furnace lining structure has increased the furnace lining utilization ratio of feeding by a wide margin, compares vertical circular structure, and its energy resource consumption reduces by a wide margin, and the productivity increases, the effectual market competition who improves the product.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (9)
1. A2500 ℃ square furnace lining for a tungsten-molybdenum sintering furnace made of refractory materials is characterized in that: the novel fireproof lining comprises an inner lining (1), a middle lining (2) and an outer lining (3), wherein the inner lining (1) is sleeved with the middle lining (2), the outer lining (3) is sleeved with the middle lining (2), the cross sections of the inner lining (1), the middle lining (2) and the outer lining (3) are square, a first expansion gap is formed between the inner lining (1) and the middle lining (2), a second expansion gap is formed between the middle lining (2) and the outer lining (3), the range of the first expansion gap and the range of the second expansion gap are 5-30 mm, and the inner lining (1), the middle lining (2) and the outer lining (3) are all arranged on a bottom support.
2. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 1, which is characterized in that: the lining (1), the middle lining (2) and the outer lining (3) are all built by shaped bricks (4), wherein the shaped bricks (4) of the lining (1) are made of heavy zirconia, the shaped bricks (4) made of the heavy zirconia have the functions of high temperature resistance and heat insulation, the shaped bricks (4) of the middle lining (2) are made of zirconia hollow spheres, the shaped bricks (4) made of the zirconia hollow spheres have the function of heat preservation, the shaped bricks (4) of the outer lining (3) are made of alumina hollow spheres, and the shaped bricks (4) made of the alumina hollow spheres have the functions of heat preservation and insulation.
3. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 1, which is characterized in that: the collet includes upper collet (5), middle level collet (6) and lower floor collet (7), and wherein middle level collet (6) set up in lower floor collet (7) up end, and wherein upper collet (5) set up in middle level collet (6) up end, upper collet (5), middle level collet (6) and lower floor collet (7) are the square structure of inside annular space, and wherein the size of lower floor collet (7) is greater than the size of middle level collet (6), and wherein the size of middle level collet (6) is greater than the size of upper collet (5).
4. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 2, characterized in that: the lining (1) is built on the upper side edge of an upper layer base (5) through shaped bricks (4), the middle lining (2) is built on the upper side edge of a middle layer base (6) through the shaped bricks (4), the outer lining (3) is built on the upper side edge of a lower layer base (7) through the shaped bricks (4), the top height of the outer lining (3) is larger than that of the lining (1) and the middle lining (2), the top heights of the lining (1) and the middle lining (2) are the same, the thickness of the shaped bricks (4) of the lining (1) is larger than that of the shaped bricks (4) of the middle lining (2), and the thickness of the shaped bricks (4) of the middle lining (2) is larger than that of the shaped bricks (4) of the outer lining (3).
5. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 4, wherein the square furnace lining is characterized in that: the shaped bricks (4) comprise square shaped bricks (8) and round-angle shaped bricks (9), wherein the square shaped bricks (8) are used for piling four sides of the square inner lining (1)/the middle lining (2)/the outer lining (3), and the round-angle shaped bricks (9) are used for piling four corners of the square inner lining (1)/the middle lining (2)/the outer lining (3).
6. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 5, wherein the square furnace lining is characterized in that: the square shaped bricks (8) are in square structures, wherein the round-corner shaped bricks (9) are in tile-shaped structures, the rear side of the upper end surface of the square shaped brick (8)/the round-angle shaped brick (9) is provided with an upper spigot (10), wherein the front side of the lower end surface of the square shaped brick (8)/the round-angle shaped brick (9) is provided with a lower spigot (11), wherein the front side of the left end surface of the square shaped brick (8)/the round angle shaped brick (9) is provided with a left spigot (12), wherein the rear side of the right end surface of the square shaped brick (8)/the round angle shaped brick (9) is provided with a right spigot (13), the square bricks (8) are piled to form a brick layer through the matching of the left spigot (12) and the right spigot (13), the corners of the middle-sized brick layers are connected by using round-angle type bricks (9), and the adjacent type brick layers are nested to form an inner lining (1)/a middle lining (2)/an outer lining (3) through the matching of an upper spigot (10) and a lower spigot (11).
7. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 6, wherein the square furnace lining is characterized in that: and a third expansion joint is arranged between an upper spigot (10) and a lower spigot (11) of each two adjacent square bricks (8)/fillet bricks (9), a fourth expansion joint is arranged between a left spigot (12) and a right spigot (13) of each two adjacent square bricks (8)/fillet bricks (9), the range of the third expansion joint is 0.2-2 mm, and the range of the fourth expansion joint is 0.2-5 mm.
8. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 7, wherein the square furnace lining is characterized in that: and fourth expansion joints of the adjacent brick layers are staggered with each other, wherein the third expansion joints and the fourth expansion joints of the lining (1), the middle lining (2) and the outer lining (3) type bricks (4) are staggered with each other, and the weight range of each type brick (4) is 5-15 kg.
9. The square furnace lining made of refractory materials for the 2500 ℃ tungsten-molybdenum sintering furnace according to claim 3, wherein the square furnace lining is characterized in that: the utility model discloses a furnace lining, including the furnace lining, be equipped with square furnace core (14) in the inboard below of furnace lining, wherein square furnace core (14) top flushes with upper collet (5) top, the inside lining (1) length of furnace lining is 1570mm, and inside lining (1) width is 1370 mm.
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| CN110671935A (en) * | 2019-10-15 | 2020-01-10 | 西安成航炉业有限公司 | Square furnace lining made of refractory material and used for 2500 ℃ tungsten-molybdenum sintering furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110671935A (en) * | 2019-10-15 | 2020-01-10 | 西安成航炉业有限公司 | Square furnace lining made of refractory material and used for 2500 ℃ tungsten-molybdenum sintering furnace |
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