CN213302062U - High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material - Google Patents

High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material Download PDF

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Publication number
CN213302062U
CN213302062U CN202022034419.2U CN202022034419U CN213302062U CN 213302062 U CN213302062 U CN 213302062U CN 202022034419 U CN202022034419 U CN 202022034419U CN 213302062 U CN213302062 U CN 213302062U
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China
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insulating
temperature
refractory material
conductive aluminum
fixing
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CN202022034419.2U
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韩亚鹏
李琴
杨花春
卜祥敏
樊晓伟
吕娟娟
牛丽君
宋宁
刘海峰
李明
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Qinghai Qiaotou Aluminum Electricity Co ltd
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Qingdao Qiaotou Aluminium & Power Co ltd
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Abstract

The utility model discloses a refractory material high temperature lotus soft tester is with insulating fixing device of high temperature resistance. The device consists of an insulating fixed block, a mechanism fixing hole and a conductive aluminum row fixing hole; drilling holes in the insulating fixing block are alternately distributed in the mechanism fixing holes and the conductive aluminum row fixing holes; a first bolt penetrates through a mechanism fixing hole and is fixed on a hearth of the refractory material high-temperature load-softness tester by a first nut on one side of the insulating fixing block; and a second bolt penetrates through the conductive aluminum bar fixing hole on the other side of the insulating fixing block and is fixed on the conductive aluminum bar by a second nut. The device selects a silicon-aluminum refractory material, the appearance of the fixing device is redesigned, and the performance of the manufactured high-temperature-resistant insulating fixing device is far higher than that of the fixing device which is commonly used at present. On the basis of meeting the basic requirements of high insulation, high temperature resistance, high thermal shock resistance, easy processing, low cost and the like, the operation rate of the instrument is improved, and the workload and the labor intensity of maintainers are reduced.

Description

High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material
Technical Field
The utility model relates to a refractory material detects technical field, concretely relates to refractory material high temperature lotus soft tester is with insulating fixing device of high temperature resistance.
Background
The Refractoriness under load (referred to as the Refractoriness under load), also called the deformation under load temperature or degree Refractoriness under load, is called the softness under load for short, and represents the resistance of the refractory material to the high temperature and the load under constant load, and also represents the softening temperature range of the refractory material with obvious plastic deformation, and is an important index of high-temperature mechanical properties in engineering application. At 2kg/cm2The softening and deformation temperatures were measured under load and divided into the softening onset temperature, the deformation 4% temperature and the deformation 20-40% temperature. The corresponding temperature at which 0.6% of the deformation of the compression pattern height from the point of maximum expansion occurs is referred to as the onset softening temperature. Because the experimental period is long, the temperature of the furnace body is high, and particularly, an insulating fixing device (an insulator) between a connecting cable and a conductive aluminum bar is easy to break down. Common types of insulating fixtures are bakelite blocks, ceramic blocks, and the like. However, these conventional insulating fixtures have the following disadvantages: (1) high temperature oxidation resistancePoor, short service life; (2) the mechanical strength is poor, and the conductive aluminum bar is easy to deform, crack and the like, so that the conductive aluminum bar is short-circuited with the shell of the instrument; (3) poor thermal shock resistance and easy cracking in use.
The basic working principle of the instrument is that current passes through a cable and a conductive aluminum bar, electric energy acts on a silicon-molybdenum heating rod, the heating rod is caused to generate heat according to the Joule law, a high-temperature field is formed in a heating hearth so as to test the load change condition of a refractory material in the high-temperature field, wherein the heat loss is avoided by a heat insulation layer outside the hearth, and the heat insulation layer and the hearth are fixed by a furnace shell outside the heat insulation layer; in order to avoid high-temperature damage to the cable insulating layer caused by high temperature, the heating bodies are directly connected by a conductive aluminum bar; the conductive aluminum bar is fixed on the furnace shell by an insulator.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses to the insulating fixing device of high temperature resistance reselects the preparation material, redesign the fixing device appearance, the insulating fixing device of high temperature resistance performance that utilizes silicon aluminium matter refractory material to produce is higher than current commonly used fixing device far away. Aims to provide a high-temperature-resistant insulating fixing device for a high-temperature load-softness tester of a refractory material.
The utility model relates to a technical scheme of a high temperature resistant insulation fixing device for a refractory material high temperature loading soft tester, which comprises an insulation fixing block 1, a mechanism fixing hole 2 and a conductive aluminum row fixing hole 3; the mechanism fixing holes 2 and the conductive aluminum row fixing holes 3 are drilled on the insulating fixing block 1 and are alternately distributed; a first bolt 51 penetrates through the mechanism fixing hole 2 and is fixed on a hearth 6 of the refractory material high-temperature load-softness tester by a first nut 71 at one side of the insulating fixing block 1; and the other side of the insulating fixed block 1 is used for fixing a second bolt 52 on the conductive aluminum row 4 by a second nut 72 through the conductive aluminum row fixing hole 3.
As a new technical scheme of the utility model, the insulating fixed block 1 is made of a silicon-aluminum compact refractory material, and the length of the insulating fixed block is three times of the width of the conductive aluminum row 4; the width is the width of the conductive aluminum row 4, and the thickness is one third of the width of the insulating fixed block 1.
As a new technical proposal of the utility model, the insulating fixed block 1 can be made of compact shaped refractory bricks.
As the utility model discloses a new technical scheme, on mechanism fixed orifices 2, the electrically conductive aluminium row fixed orifices 3, the entry adopts the countersunk head design according to the bolt specification, and the countersunk head hole is one time of bolt head thickness deeply, prevents the short circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses select silicon aluminium matter refractory material, carry out redesign to the fixing device appearance, the insulating fixing device performance of high temperature resistant that produces is higher than current commonly used fixing device far away. On the basis of meeting the basic requirements of high insulation, high temperature resistance, high thermal shock resistance, easy processing, low cost and the like, the operation rate of the instrument is improved, and the workload and the labor intensity of maintainers are reduced. The whole device is reasonable in structure, simple to maintain, simple and convenient to operate, high in usability and high in safety.
Drawings
FIG. 1 is a schematic view of the installation of the high temperature resistant insulating fixing device for the high temperature load-softness tester of the refractory material of the present invention;
FIG. 2 is a schematic structural view of the high temperature resistant insulating fixing device for the high temperature load-softness tester of the refractory material of the present invention;
fig. 3 is a working principle diagram of the high-temperature resistant insulation fixing device for the refractory material high-temperature load soft tester in the total system.
In the figure: 1. insulating fixed blocks; 2. a mechanism fixing hole; 3. fixing holes for the conductive aluminum rows; 4. a conductive aluminum bar; 51. a first bolt; 52. a second bolt; 6. a hearth; 71. a first nut; 72. a second nut; 8. a silicon-molybdenum heating rod; 9. a heat-insulating layer; 10. a cable; 11. and (5) a furnace shell.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. 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.
Example 1
Referring to the attached drawings 1-3, the utility model provides a high temperature resistant insulation fixing device for a refractory material high temperature loading soft tester, which comprises an insulation fixing block 1, a mechanism fixing hole 2 and a conductive aluminum row fixing hole 3; the mechanism fixing holes 2 and the conductive aluminum row fixing holes 3 are drilled on the insulating fixing block 1 and are alternately distributed; a first bolt 51 penetrates through the mechanism fixing hole 2 and is fixed on a hearth 6 of the refractory material high-temperature load-softness tester by a first nut 71 at one side of the insulating fixing block 1; and the other side of the insulating fixed block 1 is used for fixing a second bolt 52 on the conductive aluminum row 4 by a second nut 72 through the conductive aluminum row fixing hole 3.
Preferably, the insulating fixing block 1 is made of a silica-alumina dense refractory material, and the length of the insulating fixing block is three times of the width of the conductive aluminum row 4; the width is the width of the conductive aluminum row 4, and the thickness is one third of the width of the insulating fixed block 1.
As a new technical proposal of the utility model, the insulating fixed block 1 can be made of compact shaped refractory bricks.
Preferably, on the mechanism fixing hole 2 and the conductive aluminum row fixing hole 3, the inlet section adopts a countersunk head design according to the specification of the bolt, and the depth of the countersunk head is one time of the thickness of the bolt head, so that short circuit is prevented.
When the device is used specifically, after the device is installed at the position of the part with reference to the attached drawing 3, current passes through the cable and the conductive aluminum bar, electric energy acts on the silicon-molybdenum heating rod, the heating rod is caused to generate heat according to the Joule law, and the heating furnace chamber forms a high-temperature field, so that the load change condition of the refractory material in the high-temperature field can be tested. The heat loss is avoided by the heat-insulating layer outside the hearth, and the heat-insulating layer and the hearth are fixed by the furnace shell outside the heat-insulating layer; in order to avoid high-temperature damage to the cable insulating layer caused by high temperature, the heating bodies are directly connected by a conductive aluminum bar; the conductive aluminum row is fixed on the furnace shell by the high-temperature resistant insulating fixing device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A high temperature resistant insulation fixing device for a refractory material high temperature loading soft tester is composed of an insulation fixing block (1), a mechanism fixing hole (2) and a conductive aluminum row fixing hole (3); the mechanism fixing hole (2) and the conductive aluminum row fixing hole (3) are drilled on the insulating fixing block (1) and are alternately distributed; a first bolt (51) penetrates through the mechanism fixing hole (2) and is fixed on a hearth (6) of the refractory material high-temperature load-softness tester by a first nut (71) on one side of the insulating fixing block (1); and a second bolt (52) penetrates through the conductive aluminum row fixing hole (3) from the other side of the insulating fixing block (1) and is fixed on the conductive aluminum row (4) by a second nut (72).
2. The high-temperature-resistant insulating fixing device for the refractory material high-temperature loading and softening tester, as claimed in claim 1, is characterized in that the insulating fixing block (1) is made of a silica-alumina dense refractory material, and the length of the insulating fixing block is three times the width of the conductive aluminum row (4); the width of the conductive aluminum row (4) is one third of the width of the insulating fixed block (1).
3. The high-temperature-resistant insulation fixing device for the refractory material high-temperature loading and softening tester as claimed in claim 1 or 2, wherein the insulation fixing block (1) can be made of compact and shaped refractory bricks.
4. The high-temperature-resistant insulating fixing device for the refractory material high-temperature loading and softening tester, according to claim 1, is characterized in that the upper inlet sections of the mechanism fixing hole (2) and the conductive aluminum row fixing hole (3) adopt a countersunk head design according to the specification of a bolt, and the depth of the countersunk head is one time of the thickness of the bolt head.
CN202022034419.2U 2020-09-17 2020-09-17 High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material Active CN213302062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022034419.2U CN213302062U (en) 2020-09-17 2020-09-17 High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022034419.2U CN213302062U (en) 2020-09-17 2020-09-17 High-temperature-resistant insulating fixing device for high-temperature load-softness tester of refractory material

Publications (1)

Publication Number Publication Date
CN213302062U true CN213302062U (en) 2021-05-28

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Application Number Title Priority Date Filing Date
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CN (1) CN213302062U (en)

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Address after: 810000 Qiaotou town, Datong County, Xining City, Qinghai Province

Patentee after: Qinghai Qiaotou Aluminum Electricity Co.,Ltd.

Address before: 810100 Qiaotou town, Datong County, Xining City, Qinghai Province

Patentee before: QINGDAO QIAOTOU ALUMINIUM & POWER Co.,Ltd.