our plant has one reactor and i want to check the design. it contains
spherical dome
upper cylinder
upper cone
main cylinder
13 degree upper cone
13degree lower cone
spherical section
13 degree lowest cone
lowe cylinder
discharge cone

i can make whole vessel except spherical section which cam between it.

how to make it plz help.......refer the attached figure.

mail me on keyurp84@gmail.com so i can send u the drawing.