Search Results
AI Overview
Sulphonation plant waste heat recovery systems, often using heat-pipe exchangers, capture thermal energy from exothermic reactions to produce steam and hot water, improving energy efficiency. These systems typically achieve steam generation of 0.4~0.6 Mpa and, in advanced designs, can make plants self-sufficient in steam for both operations and startup, often for silica gel regeneration or wastewater treatment.
Key Technologies and Processes
- Heat-Pipe Exchangers: Known for high efficiency and compact design, heat-pipe heat exchangers are used to transfer heat from hot air (conversion cooling) to water, producing steam.
- Multi-Stage Recovery: A three-stage recovery process can be used: the first and second stages generate steam (approx. steam perof sulfur burned), and the third stage produces hot water.
- Energy Generation: Waste heat from coolers and converters is used to drive waste heat boilers (WHB), which provide steam to downstream processes.
- Hot Air Utilization: Beyond steam, recovered heat is used to pre-heat reverse osmosis (R/O) water or for industrial tasks like scrubber wastewater evaporation and crystallization.
Advantages and Design Features
- Operational Savings: Implementing these systems reduces the need for external steam during startups.
- Corrosion Resistance: Modern units use specialized designs to handle temperatures, including floating designs for coolers to prevent intergranular corrosion above.
- System Reliability: The heat-pipe structure is robust, where failure of a single tube does not halt plant production.
- Optimal Design: Technologies like pinch analysis can be applied to optimize energy recovery scenarios, focusing on boiler feed water preheating and steam generation.
Show more
Web results
Sulphonation plant waste heat recovery technology
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulphonation-plant-waste-h...
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulphonation-plant-waste-h...
The recovery rate is 100kg sulfur burning generates 250kg steam. The first/second stage recovery of exhaust gas generates steam, and the third stage recovery ...Read more
Reducing Superheater Failures in Sulfuric Acid Plants
Babcock & Wilcox
https://www.babcock.com › resources › learning-center
Babcock & Wilcox
https://www.babcock.com › resources › learning-center
B&W Chanute is an experienced provider of sulfuric acid plant superheater maintenance services to prevent premature component failures, minimize downtime.Read more
Exergy analysis of a steam power station in a sulfuric acid ...
ScienceDirect
https://www.sciencedirect.com › science › article › pii
ScienceDirect
https://www.sciencedirect.com › science › article › pii
by M Galal2024Cited by 16 — A heat recovery system is implemented in the plant to recover waste heat from an exothermic chemical reaction of the sulfuric acid production process. This ...Read more
Sulfonation plant waste heat recovery process
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulfonation-plant-waste-hea...
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulfonation-plant-waste-hea...
Hot air firstly goes into the heat-pipe exchanger, the heat is transferred to the soft water inside, and steam of 0.4~0.6Mpa is generated.Read more
Waste heat recovery device for sulfonation process
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
The utility model discloses a waste heat recovery device for sulfonation process, which comprises a sulfonation box, a recovery device and an air outlet ...
Sulphonation Plants
Technithon
https://www.technithon.com › sulphonation-plants
Technithon
https://www.technithon.com › sulphonation-plants
Our plants are offered with waste heat recovery system and Zero Liquid Discharge (ZLD). The challenges of reduction of 1,4 Dioxane have been addressed by ...Read more
Heat recovery in acid plants
Clark Solutions -
https://clarksolutions.com.br › uploads › 2023/07
Clark Solutions -
https://clarksolutions.com.br › uploads › 2023/07
PDF
Sulphur burning and spent acid recovery plants burn sulphur or fuel to produce SO2 gases while generating heat. The reaction of oxidation of SO2 into. SO3 is ...Read more
8 pages
Application of Pinch Technology for Waste Heat Recovery ...
Asian Publication Corporation
https://asianpubs.org › index.php › ajchem › article › view
Asian Publication Corporation
https://asianpubs.org › index.php › ajchem › article › view
Dec 28, 2010 — In this study, an optimum waste heat recovery system in the linear-alkyl-benzene sulfonation process was designed through three different ...
Sulfuric acid technology
Metso
https://www.metso.com › globalassets › brochure...
Metso
https://www.metso.com › globalassets › brochure...
PDF
The Metso HEROS heat recovery system generates steam using waste heat from the acid cooling process. It is designed as a peripheral system that can be taken in ...Read more
8 pages
The sulphuric acid plant and district heating
Alfa Laval website
https://www.alfalaval.com › media › stories
Alfa Laval website
https://www.alfalaval.com › media › stories
PDF
High degree of heat recovery. Generally 80-90% of available waste heat can be recovered. This is in contrast to shell and tube heat exchangers, which seldom ...Read more
2 pages
Scholarly articles for Sulphonation plant waste heat recovery | |
… heat recovery in the linear-alkyl-benzene sulfonation … - Ataei - Cited by 3 Sulphonation technology in the detergent industry - De Groot - Cited by 103 … flue gas water and waste heat recovery using a purge … - Teng - Cited by 17 | |