Established 1979ISO 9001:2015 CertifiedWankaner, Gujarat, India
Step 1 · Choose your process
Which process do you run?
Step 2 · Choose a stage
Sulphuric acid plant
Step 3 · Choose a lining zone
1 · Sulphur furnace
4 lining zones · Crown supplies the main lining in 4Crown main liningPartial / repairOther suppliers
Sulphur furnace
Combustion chamber hot face
Main attackSO₂ gas at 1,000–1,150 °C, thermal cycling
Crown supplies the main lining
Crown grades for this zone
2 Crown grades specified
Unlock with email verification
Ask about this zone
One-time access
Unlock the full chemicals & fertilisers guide
Verify your email once. Every industry guide on this site then stays open for you on this device for 90 days.
01Your details stay with Crown; never sold or shared02A one-time code is sent to your business email03Our technical team may follow up with a lining proposal
Still needed: name, designation, company, country, city, verified email, mobile number, consent.
At a glance
Where Crown lines the process
Every lining zone in the selected process and whether Crown supplies it. Ceramic packing, carbon bricks for fluoride service and alloy equipment come from other suppliers.
01Sulphur furnace4 / 4zones with a Crown main lining
02Waste heat boiler2 / 2zones with a Crown main lining
03Converter and ducts1 / 3zones with a Crown main lining
04Drying and absorption towers2 / 3zones with a Crown main lining
05Acid tanks and storage2 / 2zones with a Crown main lining
06Stack1 / 1zones with a Crown main lining
Planning a reline or a new unit?
Tell us the unit, its size and the problem you see. Our technical team will propose a zone-wise lining with Crown grades.
Alumina bricks, monolithics and speciality refractories, manufactured in Wankaner, Gujarat since 1979.
Works & Office
Crown Ceramics
8/A, National Highway, Near Hasanpar Railway Crossing, Wankaner, Dist. Rajkot, Gujarat 363622, India
+91 99746 66341
[email protected]
© 2026 Crown Ceramics. All rights reserved.