Multi-block material bonding method of large graphite heating body for producing vacuum induction furnace
A technology of vacuum induction furnace and bonding method, which is applied in the direction of heating element materials, etc., can solve the problems of low yield rate, curb production and research and development, and high sales price, and achieve the effect of high yield rate
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Embodiment 1
[0028] (1) Preparation of high temperature graphite glue
[0029] High temperature graphite glue is made by mixing cementing agent and cementing powder;
[0030] Adhesive is made of 20wt% furfuryl alcohol (molecular formula: C 5 h 6 o 2 ), 80wt% tallic acid TEA salt composition;
[0031] The cementing powder is made up of 10wt% superconducting carbon black, 90wt% superfine artificial graphite powder;
[0032] When in use, mix the cementing agent with 100-1000 mesh cementing powder according to the mass ratio of 1:80 to make a paste, and set aside;
[0033] (2) Processing and splicing graphite heating element
[0034] a. According to the size of the large graphite heating body, five graphite blocks 1 are spliced together, and the size of the graphite blocks 1 is the same. The diameter of the large graphite heating body is 2000mm, and the two end faces of each graphite block 1 are respectively equipped with The "T"-shaped boss 102 and the "T"-shaped card slot 101 that co...
Embodiment 2
[0037] (1) Preparation of high temperature graphite glue
[0038] High temperature graphite glue is made by mixing cementing agent and cementing powder;
[0039] Adhesive is made of 80wt% furfuryl alcohol (molecular formula: C 5 h 6 o 2 ), 20wt% tallic acid TEA salt composition;
[0040] The cementing powder is made up of 20wt% superconducting carbon black, 80wt% superfine artificial graphite powder;
[0041] When in use, mix the cementing agent with 100-1000 mesh cementing powder according to the mass ratio of 1:15 to make a paste, and set aside;
[0042] (2) Processing and splicing graphite heating element
[0043] a. According to the size of the large graphite heating body, five graphite blocks 1 are spliced together, and the size of the graphite blocks 1 is the same. The diameter of the large graphite heating body is 2000mm, and the two end faces of each graphite block 1 are respectively equipped with The "T"-shaped boss 102 and the "T"-shaped card slot 101 that co...
Embodiment 3
[0046] (1) Preparation of high temperature graphite glue
[0047] High temperature graphite glue is made by mixing cementing agent and cementing powder;
[0048]Adhesive is made of 60wt% furfuryl alcohol (molecular formula: C 5 h 6 o 2 ), 40wt% tallic acid TEA salt composition;
[0049] The cementing powder is made up of 40wt% superconducting carbon black, 60wt% superfine artificial graphite powder;
[0050] When in use, mix the cementing agent with 100-1000 mesh cementing powder according to the mass ratio of 1:50 to make a paste, and set aside;
[0051] (2) Processing and splicing graphite heating element
[0052] a. According to the size of the large graphite heating body, five graphite blocks 1 are spliced together, and the size of the graphite blocks 1 is the same. The diameter of the large graphite heating body is 2000mm, and the two end faces of each graphite block 1 are respectively equipped with The "T"-shaped boss 102 and the "T"-shaped card slot 101 that coo...
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