Main Data

See also

Submersible Nozzles

Submersible Nozzles

Submersible nozzles of corundum-graphite composition are manufactured by new technologies providing thermal shock and wear resistance of the product.
Depending on service conditions and design and process features of customer's equipment JSC “Borovichi Refractories Plant” has possibility to produce submersible
nozzles of various configuration (direct-flow, closed-bottomed with different number of and direction of outflow openings) and differentiated by chemical and substance
composition (slag belt, anticlogging coating of internal channel).
All submersible nozzles are subject to nondestructive testing at X-ray apparatus Artikon-305 for the purpose of hidden defects detection (internal cracks, flaws, foreign
inclusions, etc.).
External surface of submersible nozzles is covered with high quality porcelain enamel providing complete protection of graphite against burning-out during nozzles
heating-up.
Design of submersible nozzles assumes taper or spherical joining with nonswirl nozzle using felt gasket on account of hollow space equaled to 3 mm between contact
surfaces of submersible nozzle and nonswirl nozzle. In accordance with the customer's option argon flow to the point of submersible nozzle and nonswirl nozzle connection
is allowed.
Prior to application submersible nozzles shall be preheated up to the temperature of 800°С. In order to prevent burning-out of graphite, submersible nozzles in heated
state (at 800°С) are recommended to be held not more than three hours.
It is possible to manufacture submersible nozzles with argon flow to the point of submersible nozzle and nonswirl nozzle connection both by customer’s drawings and
manufacturer’s designs.

Technical characteristics

 Rate for grade
    PS-KGC  PS-KGCA PS-KGCD    PS-KGCAD
КG C
 КG C А КG C D КG C А D
Spec. 14-194-274-06 rev.1-3

Mass fraction of dry substance, %:

Al2O3, minimum

С, minimum

ZrO2, minimum

 


55

25

-

 


-

15

68

 


55

25

-

 


-

15

68

 


65

18

-

 


55

25

-

 


-

15

68

 


58

22

-

 


55

25

-

 


-

15

68

 


65

18

-

 


58

25

-
Apparent density, g/cm³, minimum 2,40 3,45 2,40 3,45 -  2,40  3,45  2,50  2,40  3,45  -  2,50 
Open porosity, % maximum 17 18 17 18 -  17  18  16  17  18  -  16 
 Rate for grade
    materials of cylindrical part the submersible nozzle material of upper layer of funnel material of slag belt  material of antikleking layer materials of bottom part (chopper)
PS PS1
 PS2 V C1 C2 C3 C4 А D D1
Spec. 14-194-286-09 rev.1

Mass fraction of dry substance, %:

Al2O3, minimum

С, minimum

ZrO2, minimum

SiO2, maximum

 


54

24

-

-

 


55

20

-

-

 


63

15

-

-

 


53

9

-

-

 


-

10

73

-

 


-

10

70

-

 


-

8

74

-

 


-

10

72

-

 


55

maximum20

-

40

 


58

22

-

-

 


63

15

-

-
Apparent density, g/cm³, minimum 2,40 2,42 2,55 2,40 3,65 3,60  3,68  3,63  -  2,50  2,55 
Open porosity, % maximum 17 17 20 20 17  17  17 17  -  16  20 
 Rate for grades
    КUPS-65  КUPS-CZS
  Nozzle Protective layer
GOST R 52801-2007

Mass fraction of dry substance, %:

Al2O3, minimum

С, minimum

ZrO2, minimum

 

65

24

-

 

63

19

-

 

-

10

70
Open porosity, % maximum 16 20 23

Limit deviations of dimensions, mm

Dimensions, mmLimit deviations dimensions Spec.14-194-274-06 rev.1-3, Spec.14-194-286-09 rev.1, mm
   Diameter:  
   outside ±5
   inside ±1
   Height:  
   up to 750 inc. ±10
   over 750 ±20
Dimensions, mmLimit deviations
  КUPS-65, КUPS-CZS
  unglazed glazed
   Diameter:  
   up to 50 inc. ±2 ±3
   over 50 up to 100 inc. ±3 (±4) ±4 (±5)
   over 100 ±6 ±7
   Height:  
   up to 750 inc. ±10 ±11
   Height of bead and groove ±5 ±6
   Angle 25° ±5° ±6°

Dimensions of submersible nozzles GOST R 52801-2007

Number Hhh1h2dd1d2ABab
23 500 41 60 80  60 132  70  165  160  120 115
Number Hh1h2DD1D2dd1d2d3
24 570 24 52  120 50  66  30  95  82 46
Number Hhh1h2h3h4DD1D2dd1d2d3
25 680 70 60 50  35 75  185  170  150  75 155 95 75
Number Hhh1h2DD1D2dd1d2r
26 700 60 41 80  165 120  128  60  132  70 40