Otic Placode Isolation Boiler Water Walls 12Cr1MOVG / 15CrMOVG

Otic placode isolation 12Cr1MOVG and 15CrMOVG for heat treatment process

Description

1.Boiler water walls are membrane walls that are made of tubes welded together with or without a strip of metal in between.

2.These walls form the enclosure of the coal combustion chamber.

3.Water wall tubes are also referred to as the evaporator section; they contain water mostly in liquid form which gradually evaporates as it rises in the boiler.

Challenges

1.As the water wall tubes form a lining along the whole boiler, they are submitted to a temperature gradient of 300 °C to 500 °C between the bottom section of the boiler and its top.

2.To facilitate fitting, the panels in the boiler should preferably be made of steel grades that do not require any post-weld heat treatment.

3.Vallourec supplies tubes for water walls in all grades, from carbon steel to advanced low-alloy steel, with outside diameters ranging from 31.8 mm to 63.5 mm.

Maintenance

Application

Features

1. Sturdy construction
2. High strength
3. Accurate dimensions
4. Corrosion resistant finish

Advantages

1.No heat affected zone

2.Increased safety of workers

3.Less wearing of cutting discs

4.High productivity

5.High cutting quality

Raw material & Assembling

Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. Hua Dong holds the manufacturing licenses for Grade A boilers and Grade A1&A2 pressure vessels issued by Chinese General Administration of Quality Supervision, Inspection and Quarantine; also it holds the "S" and "U" "NB" stamps issued by American Society of Mechanical Engineers; meanwhile, this Company has passed the certification of ISO9001, SO3834, EN12952 Quality Management System.

"Hua Dong" boilers include Utility Boiler, HRSG Boiler, coal-fired , oil(gas) -fired, coal-water-slurry-fired and garbage-fired steam/hot water boilers, organic heat carrier boilers, etc., and Boiler spare parts (Economizer, Finned tube, Header, Steam drum, Superheater, Water wall panel, Air preheater, Cyclone separator, etc., which are widely used in power generation, heat supply, chemical engineering, textile, food, paper, road building, plastic, rubber and wood working industries. "HD" boilers are honored as "Famous Production in Jiangsu Province", " Jiangsu High-Tech Product" and "Jiangsu Energy-Saving Product". "HD" brand is a "Famous Brand in Jiangsu Province". We are a qualified supplier for the top three boiler manufacturers in China(Harbin Boiler Co., Ltd., Dong Fang Boiler Group Co., Ltd., Shanghai Boiler Works Ltd.,). So far, Hua Dong Boilers have served 10000 customers, which sell well all over China and are exported to USA, Australia, Russia, Kazakhstan, India, Indonesia, South Africa, Brazil, and Southeast Asia.

We strive to manufacture "Safe, Efficient, Energy-Saving and Environment-Friendly" boilers, provide new-type products in excellent quality, serve users sincerely to their satisfaction, and be a top supplier of boilers in China.

Declaration

Zhangjiagang Hua Dong Boiler Co.,Ltd has no subsidiaries. 

Packaging & Shipping

Company Business

Our products have been wildly used in power plants and large international companies overseas.