Nowadays, most countries in the world use the plunger pump, high-pressure water gun and high-pressure nozzle for industrial and civil cleaning with high-pressure water jet. The biggest advantage of the plunger pump is energy conservation and environmental protection. This kind of cleaning method is very ideal cleaning method at present, now our country has stepped into the plunger pump era. The fourth stage is high-pressure water jet cleaning.
To sum up, the development of the cleaning industry in China has also gone through different stages. There are four main stages. The four stages are
Heavy methods such as bamboo stick stick, fire roasting and hand tapping are used to clean the surfaces of pipes, buildings and equipment, etc. The cleaning work is mainly carried out by extremely backward methods such as dishcloth wiping and tool scraping. The first stage, the cleaning work mainly USES the wire rope to pull.
At that time, the main cleaning work with dredging machine, hinged car pull, electric drill and other equipment to clean the pipeline, and buildings and other equipment cleaning appearance mainly depends on the crane rag wipe, hot water and other means to achieve. The second stage is the simple mechanical cleaning stage.
Cycle to remove dirt, and finally wash it with clean water. The biggest disadvantage of chemical cleaning is that it is easy to pollute the environment and corrode the equipment, resulting in the increase of cleaning interest. The third stage, the cleaning work mainly USES the chemical agent hydrochloric acid, sulfuric acid, caustic soda and so on to carry on the immersion.
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