Large hole-opening ceramic single-layer combined dome

Large hole-opening ceramic single-layer combined dome is supporting structure of packing with strong corrosion resistance.

LF-series ceramic arch dome:

Long Fa LF-series iLarge hole-opening ceramic single-layer combined dome includes Ceramic one-layer arch dome and ceramic double-layer arch dome. ceramic arch dome is a new-type supporting structure of packing which is used in sulfuric acid drying tower and absorbing tower. Comparing with old-style structure, it has the advantages of uniform pore distribusion, high mechanical strength, high safety and stability, strong corrosion resistance, convenient operation and long service life. It has shown excellent effect in many sulfuric acid enterprises.

Main technical indexes:

Item	Unit	Data	Standard
Volume density	G/cm3	2.3-2.6	HG/T3210-1986
Water adsorption	%	<0.2	GB8488-87
Bending strength	Mpa	≥60	GB8488-87
Compressive strength	Mpa	200	HG/T3210-1986
Acute coldness/heat resistance	350-20°C	not crack after 3 times	GB8488-87
Comprehensive porosity	%	≥65
Specification	m	2.8, 3.4, 5, 7.5
Acid resistance	%	≥99.8	HG/T3210-1986
Alkali resistance	%	>87	GB/T4134.2-1984
Flexure error	%		GB/T8488-2001

Remark: 

1. The product can be manufactured in accord with the technical indexes required by cilents.

2. The external surface is smooth, without cracks or flaws.

Large hole-opening ceramic single-layer combined dome