Kraft paper bag is a packaging container made of composite material or pure kraft paper. It is non-toxic, odorless, non-polluting, low-carbon and environmentally friendly. It conforms to national environmental protection standards. It has high strength and high environmental protection. It is one of the most popular environmentally friendly packaging materials in the world. .
Chemical raw materials, food, pharmaceutical additives, building materials, supermarket shopping, clothing and other industries are suitable for kraft paper bag packaging.
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At 9 o'clock on the same day, the boiler began to pass the temporary system, and the pressure began to increase at 18 o'clock. At 22 o'clock in the evening, the water pressure rose to the test pressure. After the joint inspection by the supervisor, the owner, the construction unit and the technical supervision department, it was considered that the water pressure test was met. Acceptance conditions. At this point, the Nanyang Thermal Power Phase I Project #1 boiler hydraulic test work was successfully completed.
It is understood that Nanyang Thermal Power Company started the lifting of #1 boiler steel frame on November 22, 2006. The steel frame hoisting was completed on January 24, 2007. The steam drum was hoisted on February 12, and the large hoisting was carried out on March 5. At the beginning, on April 18th, the big hoisting was over, and it entered the stage of grabbing water pressure. From July 4th to 5th, the Henan Electric Power Construction Quality Inspection Center station organized relevant experts to conduct a two-day quality inspection before the #1 boiler hydrostatic test. It is believed that the Nanyang Thermal Power Phase I Project #1 boiler is of good quality. Comply with the quality requirements before the hydraulic test, permit the hydraulic test work.
The kraft paper bag is based on all-wood pulp paper. The color is divided into white kraft paper and yellow kraft paper. A layer of PP film can be used on the paper to play a waterproof role. The strength of the bag can be made into one to six layers according to customer requirements. , printing and bag making integration. The opening and back cover methods are divided into heat sealing, paper sealing and paste bottom.
Scope of application
The hydrostatic test of the first phase of the thermal power plant in Nanyang City, Henan Province was successful.
At 22 o'clock on the evening of July 10, 2007, the water pressure test of #1 boiler of Nanyang Thermal Power Phase I Project of Henan Province was successful once, and none of the nearly 18,000 welds leaked.