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According to the various data provided by the concrete mixing station, I summarized some experiences and lessons in the application of pumping commercial concrete to block pumps and pipes, and hope to help you concrete friends. The characteristics of pumped concrete are uniform material quality, stable quality, and fast feed speed. It can continuously complete vertical and horizontal transportation at one time, with high production efficiency and labor saving. Because the concrete delivery pump

Machine-made sandstone powder (referred to as powder below 75μm), reaching 3312%. In order to meet the particle grading requirements, the crushed stone plant will wash the machine-made sand with water, and the powder will be washed away by water to make the fine particles 01315mm sieve pass the sieve residual value 5%. At first, we did not pay enough attention to this situation. The average particle size of the sand increased by 2%, but the pumpability

Ou Hong, director of the Investment Department of the National Development and Reform Commission, said in Beijing on the 21st that as of March 20, the rate of resumption of key national projects had reached 89.1%. On March 21, Ou Hong, director of the Investment Division of the National Development and Reform Commission, said in Beijing that as of March 20, the national key project recovery rate had reached 89.1%.

It is often encountered that the concrete transmission pump gearbox is covered, and some harm will occur. Today, the editor will take you to see what are the common hazards of concrete pump gearboxes covered?

On February 26, the Ministry of Housing and Urban-Rural Development issued the "Notice on Strengthening the Orderly Prevention and Control of New Coronary Pneumonia Epidemic Situation and Promoting Enterprise Resumption and Work", emphasizing the need to strengthen the prevention and control of outbreaks in the field of housing construction and municipal infrastructure engineering, and orderly promoting enterprise development Resume work.

As a downstream industry of the building materials industry, the construction industry's situation and changes are closely affecting the development of the building materials industry. The construction industry is a labor-intensive industry. Because the employees are mainly construction workers, the industry is greatly affected by the epidemic situation, and it is difficult to resume work, which directly affects the supply of upstream building materials.

Front end wheel loader is a kind of earthwork construction machinery widely used in highway, railway, construction, hydropower, port, mine and other construction projects. It is mainly used for shoveling bulk materials such as soil, sand, lime, coal, etc. , Hard soil, etc. for light shoveling. Replacing different auxiliary working devices can also carry out bulldozing, lifting and other materials such as wood loading and unloading operations.

The safe operation of the trailer mobile spider concrete placing boom machine mainly includes the following points:
1. The end pouring hose must be fastened with a safety rope. It is forbidden to use the end hose with a length of more than 3 meters to cast. The hose must not be inserted into the poured concrete and work strictly in accordance with the scope of the distributor.

Concrete pumps are very common in the current construction. With the high-efficiency construction effect, they are very popular with customers. This article mainly analyzes the operation points of concrete pumps.

1. Different nature: EFI vehicles are equipped with electronically controlled fuel injection systems. It is short for electronically controlled gasoline injection engine. The concrete pump truck is a machine that continuously transports concrete along the pipeline using pressure, and is composed of a pump body and a delivery pipe.