Maohua Machinery Plant produces large ethylene core equipment

Continuously improve the awareness of quality management, strictly implement standardized, programmatic production

Maohua Machinery Plant produces large ethylene core equipment

Recently, Maoming Petrochemical Machinery Factory received a certificate of appreciation signed by the owner of Zhonghai Shell Nanhai Petrochemical Project. The quality of the convection section of the four 100,000-ton ethylene cracking furnaces that the factory has produced has reached the international standard and was successfully received at the construction site. , expressed the expectation of further cooperation between the two sides.

Shell is an internationally renowned company. Its quality requirements for petrochemical equipment are extremely demanding. Why did the previously unknown Maohua Machinery Factory successfully complete the Shell equipment manufacturing contract with a processing fee of more than 8 million yuan? Chen Zongqiang, the director of the factory, told reporters with deep feelings: "The biggest gain we have achieved in completing the Shell project is the improvement of management awareness. The strength to participate in international competition is not only reflected in technological progress, but also in the degree of fine management. Without the management of international standards, it is impossible to produce products with international standards."

The leadership of the Maohua Machinery Plant and the changes in the management concept of the employees benefited from the education and enlightenment of the “footprint incident”. Although everyone has heard about Shell's high standards in quality management, the meticulous and meticulous supervision of the foreign party's supervisory inspection process in the process of winning the bidding equipment still exceeded people's expectations and triggered a collision of different management concepts. When the first Nanhai petrochemical cracking furnace was produced, the foreign supervisory inspection found that on the insulation lining of the furnace wall, it was embarked on a series of footprints, and immediately required the workshop leaders to rectify and educate the employees.


However, new footprints appeared on the lining for two consecutive days. The foreign supervisor put forward a severe accusation against this, but some employees did not agree: "The insulation lining will not be seen after being installed in the furnace wall. Several footprints will not affect the quality, so why is it true?"


However, the foreign supervisors refused to take this step and took the photographs of the footprints taken to the director of Chen Zongqiang: "How can such a bad habit make a first-class product, and the quality of the product should start from the details that others cannot see." "The factory leaders believe that the criticism of the foreign supervisory inspection touched the crux of the factory's low management standards, so we held a staff meeting to guide everyone to rethink the gap between management concepts and management standards and international practices, and discuss the formulation and implementation. All-round quality management measures throughout the process.


On the basis of the American Institute of Engineers technical specification certification and the US Shipbuilding Bureau quality system certification, the plant has changed its management habits focusing only on results and after-the-fact, and further improving the process management of product manufacturing. At the same time, according to the new requirements of international production standards, the staff will be intensively trained to guide the staff to integrate the good style of "three old and four strict" with strict adherence to international standards, from the high standards, from the fine, and raise A good professional habit that is demanding and demanding.

The “footprint incident” gave the staff a real management awareness education class, which made the strict pursuit of excellence and become the conscious pursuit of people. In the practice of standardization and procedural fine management, everyone’s understanding of management has unwittingly made a leap. The four cracking furnaces manufactured by the factory have passed the repeated inspections of the foreign factory inspection and inspection, and obtained the certificate of qualification issued by the international quality inspection company hired by the owner.

The creation of “Nanhai Furnace” made Maohua Machinery Factory rise its reputation in the petrochemical equipment manufacturing industry. A well-known domestic and foreign large company sent personnel to negotiate cooperation, and signed a batch of cracking furnace and loop reactor with the plant. The processing contract for the new heat exchanger exceeded the value of 100 million yuan in 2004.

Abrasion Resistant Plate

HP Wear Resistant Group offers various products of Abrasion Resistant Plate namely Cr-Carbide Weld Clad Plates, Smooth Surface CCO plate, Heat Treated Wear Plates (AR Plate or Q&T Steel), Casting Plates, Tungsten Carbide Coated Plates in various grade and multiple size options.

Abrasion Resistant Plate is a bi-metal plate consisting of a low carbon or alloyed steel base plate and a layer of wear resistant deposit.

HP Abrasion Resistant Plates are made out of unique hard facing process combined with the specially formulated hard facing alloys produces the harder, tougher and better wear resistant plates.

The low carbon steel base plate enables the plate to be welded, bolted or studded to existing structures, while the hard facing provides the premier wear-resistant surface capable of working in all applicable service conditions at either ambient or elevated temperatures.

Due to its excellent properties, HP Plates work for long-lasting service life and superb performance, which are well applied to the industries like Cement Plant, Steel Mill, Mining Site, Power Generation, Construction where needs combat with abrasion.

Laboratory and field tests have shown that HP Wear Plates will outwear conventional Wear Plate with single or multiple hard facing layers by up to six times,

due to conventionally welded overlay plate having a much lower carbide content, it lacks being homogeneous and has uneven hardness throughout.

In the following areas, HP Wear Plate has no equal:

  • Alloy hardness
  • Matrix toughness
  • Surface smoothness
  • Light weight for greater wear
  • Minute controlled cross checks
  • Carbide density and homogeneity

Industrial Applications

Mining, Cement and Brick

Dozer Moldboards. Shovel Liners. Chute Liners. Dragline Buckets. Classifier Screens. Mine and Quarry Skips. Pug Mill Paddles. Compactor Rollers. Bucket Lips. Dipper Buckets. Ore Cars. Ore Scrapers. Dump Truck Body Beds. Loaders and High Lifts. Skid Plates.

Steel Mills

Blast Furnace. Coke Oven and Sinter Plants. Skip Car Liners. Sinter Breakers. Ore Bucket Liners. Receiving Hoppers. Grizzly Bars. Feeder Bins. Conveyor Buckets. Chutes. Spiked Roll Crushers.

Power Plants

Pulveriser Mills. Cyclones. Receiving Hoppers. Liner Plates. Coal Handling Systems. Coal Buckets. Conveyors. Fan Blades and Housings.

General Industry

Grain Chutes. Rub Bars for Conveyor Chains. Agitator Paddles. Dredge Pump Liners. Grit Blast Liners. Centrifugal Pump Liners. Mower Skid Plates.

The mechanically strong interface between the alloy and steel backing is clearly depicted in this cross sectional photograph of Wear Plate.

Abrasion Resistant Plate (1)

Abrasion Resistant Plate (2)

Abrasion Resistant Plate,Duplex Wear Resistant Plate,Smooth Hardfacing Wear Plate,Non Cracked Overlay Plate

HuiFeng Wear Resistant Group , https://www.hpwearsolution.com