We insist on the quality of our Gray Iron Valve Castings, Cast Steel Valve Castings, Carbon Steel Valve Castings and sincere services to gain the recognition of users and continuously improve the credibility, reputation and popularity of our brand. We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers. Our core values include: brand orientation, market pioneer, resource integration, distribution and implementation, and vertical and horizontal promotion. We continue to think about the customer's business, and actively provide suggestions for the success of the customer's business to win customer satisfaction and build a long-term trust relationship.
Product introduction
The high-efficiency and energy-saving two-stage gas furnace developed by Huangtai uses a unique dry distillation method to achieve the purpose of energy conservation and environmental protection. The Huangtai two-stage furnace series products won the title of national new product and the "first prize" of the Ministry of Machinery's scientific and technological progress. "Science and Technology Achievement Award", Shandong Provincial "Science and Technology Achievement Award", and "Silver Award of Shandong Spark Project Achievement Fair" are "high-efficiency, energy-saving, and environmentally friendly products" recommended by the National Science and Technology Commission to the whole country.
Product Application
The two-stage gas furnace is widely used in steel, ceramics, magnesium metal, alumina, refractories, glass, metallurgy, and other industries.

Two-stage Gas Furnace structure


Specification
Model | D2.0 | D2.4 | D2.6 | D3.0 | D3.2 | D3.4 | D3.6 |
furnace inner diameter (m) | 2.0 | 2.4 | 2.6 | 3.0 | 3.2 | 3.4 | 3.4 |
furnace sectional area (㎡) | 3.14 | 4.52 | 5.3 | 7.07 | 8.04 | 9.08 | 10.18 |
Working pressure of water jacket(Mpa) | 0.294 | ||||||
steam output of water jacket(Kg/h) | ~340 | ~380 | ~420 | ~550 | ~650 | ~690 | ~710 |
Fuel fragmentation and coal type(mm) | 20-40,25-50,30-60non-caking ,weakly caking coal,long flame coal ,lignite and gas coal | ||||||
Fuel consumption(Kg/h) | 630~950 | 1000~3000 | 1430~1630 | 2000~2670 | 2200~2750 | 2450~3100 | 2750~3350 |
Coal gas calorific value (low)(KJ/Nm³) | up stage7400~7800 down stage5500~6000 mixture6450~6900 | ||||||
Coal gas production(Nm³/h) | 1900~2800 | 3000~4000 | 4300~4900 | 6000~8000 | 7000~9000 | 7800~9900 | 9000~11000 |
Gas temperature at furnace outlet(℃) | up stage100~150 down stage550~600 | ||||||
Blast pressure at furnace bottom(Pa) | <3000 | <6000 | <6000 | <6000 | <6000 | <6000 | <6000 |
Gas pressure at furnace outlet(Pa) | <1470 | ||||||
Note: gas production and calorific value are related to coal type and coal quality | |||||||
FAQ
Q1. Who are we?
A: We are based in Shandong, China, starting in 1958. There are a total of about 500-600 people in our office. We are a manufacturer engaged in various types of coal-to-gas equipment and its supporting dust removal equipment, sewage treatment equipment, desulfurization equipment, B-level boilers, and other equipment manufacturers; and design complete sets of electrical and automation systems; provide product design, One-stop service from manufacturing, installation, debugging to after-sales service.
Q2. Why should you buy from us and not from other suppliers?
A: Professional equipment, superb craftsmanship, total quality management system, steel structure annual production capacity of 50,000 tons
Q3.What can you buy from us?
A: Gasification, Boiler, Equipment, Casting, Steel structure.
Packing & Shipping

Only by understanding and mastering the needs and expectations of customers can we continuously improve and improve our Industry Use Hot Air Furnace for Foods Dry or services, truly achieve customer satisfaction and finally win more space for our own survival and development. Our company employs senior engineers and other highly experienced technical workers throughout our manufacturing and processing centers. Honesty, quality and efficiency are the three things we promise. Welcome to inquiry! We always adhere to the concept of "safety, efficiency, integrity and win-win" and focus on "basic management capability.











