Gas Comprehensive Treatment Fixed Bed Dry Desulfurization in Steelmaking and Metallurgy
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Basic Info.
- Model NO.
- Reheating Furnace Fixed Bed Dry Desulfurization
- Customized
- Customized
- Condition
- New
- Power Source
- Hydraulic/Electric/Gas
- Automatic Grade
- Fully Automatic/Semi-Automatic
- Type
- Flue Gas Treatment/Desulfurization, Dust Removal
- Certification
- ISO, CE
- Desulfurization
- Fixed Bed Dry Desulfurization
- Form
- Axial Flow; Multitower Form; Maintenance-Free;
- So2 Concentration
- ≤30mg/Nm3
- Outlet Dust Concentration
- ≤10mg/Nm3
- Transport Package
- Frame Packaging, Wooden Case Packaging, etc.
- Specification
- Customized
- Trademark
- PRIME
- Origin
- China
- HS Code
- 8417100000
- Production Capacity
- 20sets/Year
Packaging & Delivery
- Package Size
- 1500.00cm * 1000.00cm * 1000.00cm
- Package Gross Weight
- 15000000.000kg
Product Description
Display of Project Achievements
Anyuan Rolling Mill's Reheating Furnace Flue Gas Ultra-Low Emission Retrofit Project
1 Project Overview
Ping'an Iron and Steel Anyuan Rolling Mill currently has three reheating furnaces for high wire, high rod, and rod-wire production. The flue gas from each furnace does not meet the requirements for ultra-low emissions without purification treatment. Therefore, through a public tender process conducted by the group, Shanghai Xuanding Metallurgical Technology Group Co., Ltd. undertook the project for the transformation of the reheating furnace flue gas to achieve ultra-low emissions at Anyuan Rolling Mill. This project involves the construction of three sets of dry desulfurization systems using fixed-bed technology, along with supporting auxiliary facilities. The project follows an Engineering, Procurement, and Construction (EPC) contracting model, with a contract duration of 120 days.
The project started on 10 October 2022 and was completed on 19 February 2023. The actual construction period was 116 days, of which 17 days were suspended from 6 November to 22 November 2022 due to the silent control of the Pingxiang epidemic, and the system was successfully put into operation with emission indicators meeting the standards.
2 Original Flue Gas Parameters and Emission Standards
1. Original parameters of flue gas before desulfurization of the reheating furnace
Inlet Flue Gas Parameters of the Desulfurization Device
| Name | Unit | High rod reheating furnace | High wire reheating furnace | Rod-wire reheating furnace | Remark |
| Coal smoke flue gas volume | m3/h |
120000 | 105000 | 83000 | Working conditions |
| Empty smoke flue gas volume | m3/h |
82000 | 70000 | 52000 | Working conditions |
| Original flue gas temperature | ºC |
70-110 | 70-110 | 70-110 | |
| Original flue gas SO2 concentration | mg/Nm3 |
300 Maximum value | 300 Maximum value | 300 Maximum value | 100 Average value |
| Original flue gas particulate matter concentration | mg/Nm3 |
5-10 | 5-10 | 5-10 |
2. Emission target values
Outlet Flue Gas Parameters of the Desulfurization Device
| No. | Project | Unit | Numerical Values |
| 1 | PM emission concentration | mg/Nm3 | ≤10 |
| 2 | SO2 emision concentration | mg/Nm3 | ≤30 |
3 Desulfurization Process Route for the Reheating Furnace at Ping'an Steel
3.1 Process Flow
The flue gas desulfurization system for each reheating furnace treats coal smoke and empty smoke separately. The main process flow is as follows:
1. Desulfurization system for the rod-wire reheating furnace:
Flue gas from the rod-wire reheating furnace: Coal smoke flue gas → Coal smoke induced draft fan → Fixed-bed desulfurization tower → Desulfurization fan → Coal smoke chimney
Flue gas from the rod-wire reheating furnace: Empty smoke flue gas → Empty smoke induced draft fan → Fixed-bed desulfurization tower → Desulfurization fan → Empty smoke chimney
2. Desulfurization system for the flue gas of high wire and high rod reheating furnaces:
Flue gas from the high wire reheating furnace → Coal smoke induced draft fan↘ → Fixed-bed desulfurization tower → Desulfurization fan
Coal smoke chimney
Flue gas from the high rod reheating furnace → Coal smoke induced draft fan↗ → Fixed-bed desulfurization tower → Desulfurization fan
Empty smoke flue gas from the high wire reheating furnace → Empty smoke induced draft fan → Fixed-bed desulfurization tower → Desulfurization fan
↘
Empty smoke chimney
↗
Empty smoke flue gas from the high rod reheating furnace → Empty smoke induced draft fan → Fixed-bed desulfurization tower → Desulfurization fan.
3.2 Charging system
Each flue gas desulfurization system is equipped with one set of charging equipment and one set of roof dust removal equipment:
The charging system consists of: Loading desulfurizing agent in ton bags → Feeding with an overhead electric hoist at the top of the storage bin → Loading hopper → Inside the desulfurization tower
The roof dust removal equipment consists of: Dust suction pipes and valves at the loading port → Collected to a manifold → Dust collector → Desulfurization fan → Chimney
3.3 Discharging system
Each flue gas desulfurization system is equipped with a set of bottom discharge equipment:
Desulfurization tower cone section → Electric slide gate valve → Star-type ash discharge valve → Forklift transport in ton bags
The discharge outlet is kept at a sufficient distance from the bottom surface to allow for enough storage space, facilitating the movement of the unloading vehicle's bucket.
3.4 Online monitoring system
Each flue gas desulfurization system is equipped with an online monitoring system at the inlet and outlet chimneys. This system allows for clear and visual monitoring of the sulfur content in the inlet flue gas, as well as the levels of SO2 and particulate matter in the flue gas discharged into the atmosphere after desulfurization treatment. This enables the determination of whether there is a need to replace or replenish desulfurizing agents.
Photos of the Structural Construction Process
Project Completion and Smoke Commissioning
Company Profile
With decades of rapid development and accumulation, China has been perfect and mature on technology and management in various industrial areas, shaping a complete processing manufacturing industry with competitive price, well known for its excellent skill, high efficiency and hardworking team with qualification for personnel dispatching.
At the time of economic globalization, it is our consistent target and objective to integrate and export all kinds of technology, management mode, engineering project and manpower as per the actual requirement of our client With our own abundant technical strength, superior integration capability of technology and resources, well experienced of project implementation and management as basis and platform;
Let China go out to the world, and make the world know of China;
Professional
Professional technical and management team with abundant experience in the implementation of domestic and international projects;
Responsive
Responsive care translating your needs into complete solutions
Integration
Integrating various technologies and resources in China and fulfilling complementary advantages by relying on professional teams
Motivation
Motivated to provide optimal solution and quality products
Exceptional
Exceptional project delivery and execution meeting your expectations
Our Team
Professional technical team
Prime is staffed with professional import & export team skilled with the practice of import and export business, including sea freight packing, logistics organization, L/C review, cargo booking, and customs clearance, L/C negotiation, double authentication of shipment documents, etc.
All above personnel are well experienced in the execution of projects in Southeast Asia and Middle East.
Complete procurement mechanism
Our professional team of procurement offers strict management of supplier 's qualification inspection and selection, complete system of supplier listing, rating and elimination, to ensure the supplier is qualified and capable of implementing the project and supplied with product of high quality, and maintain a healthy and good condition of credibility, contract settlement and capital flow management.
Quality management system
Our complete quality management system , the process control covering from Scheme formulation , engineering technology, detailed design, to processing and manufacturing of equipment and material , ex-factory test and site erection and commissioning till it put into production, which through multi-level inspection, tour inspection, supervision and node control can ensure quality of the final product.
Well experienced
Executive team is abundant in experience of overseas project implementation with similar project working experiences, esp. experience in Southeast Asia, Middle East projects;
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