Utility / Power Station Plant Economiser In Boiler Parts ISO9001 Certification

Utility / Power Station Plant Economiser In Boiler Parts ISO9001 Certification

Product Description

Economizer Economizer is installed on the lower part of the boiler tail flue for recycling the waste heat of smoke, a device heating boiler feed water into steam drum pressure of saturated water heating surface, due to its high temperature flue gas heat, reduces the exhaust temperature of flue gas, save the energy, improve the efficiency, so called the Economizer.

The steel-pipe coal saver is not restricted by pressure and can be used as a boiling type, which is generally controlled by carbon steel with an outer diameter of 32 ~ 51 mm.Sometimes the fin and fin are added to the tube to improve heat transfer.The steel-pipe coal saver consists of parallel curved pipe (called serpentine pipe) arranged horizontally.

The coal saver is mainly used for industry, and it is gradually applied to agriculture and some related industries.

Specifications

Types

There are many ways to classify coal economizers, which can be classified as follows:

1. It can be divided into non-boiling type and boiling type according to the degree to which water is heated.

2. According to the manufacturing materials, there are two types: cast iron and steel pipe coal saver.Non-boiling coal saver is mostly made of cast iron, but it is also made of steel tube, while boiling coal saver is only made of steel tube.Cast iron economizers are mostly used in boilers with pressure of less than 2.5MPa.If the pressure exceeds 2.5MPa, the economizer made of steel pipe shall be used.

economizer

economizer

3. The device can be divided into vertical type and horizontal type.

4. The relative flow direction of smoke exhaust and water supply can be divided into three types: downstream, counter-current and mixed.

5. Divided by structure: light pipe coal saver and finned coal saver.Finned economizers include: h-type economizers (more used) and spiral fin economizers.

6. According to the form of heat conduction: direct conduction and indirect conduction;

The direct conduction is to preheat the boiler water by the direct radiation of the exhaust gas.Indirect conduction is the indirect preheating of boiler water through heat conducting medium.After the 1990s, indirect conduction technology developed rapidly in China and made great breakthroughs in technology, mainly including patent of heat conducting oil technology and patent of superconducting heat energy saving technology.In particular, the technology of space superconducting thermal materials from the beginning of the 21st century is in the forefront of the field of boiler energy conservation in the world.

Certification

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.