Steel drum washing and phosphorization process
A steel drum and process technology, applied in the field of steel drum cleaning and phosphating process, can solve the problems of uneven phosphating film, affecting cleaning effect, easy adhesion of large foam, etc., so as to improve cleaning effect, improve degreasing agent activity, and increase temperature Effect
Active Publication Date: 2019-04-26
广德正元蔬果家庭农场
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Problems solved by technology
[0004] In order to make up for the deficiencies of the existing technology, solve the problem that the degreasing agent produces a large amount of foam in the steel drum cleaning process, and a large amount of foam is easily attached to the surface, which affects the cleaning effect and will lead to the uneven phosphating film after the subsequent surface adjustment and phosphating , the present invention provides a technical solution to solve this problem
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[0045] As an embodiment of the present invention, the amount of degreasing agent added in the second degreasing tank is half of that in the first degreasing tank, the second cleaning does not require the use of too much degreasing agent, and the high content of degreasing agent produces a large amount of foam , It will cause a large amount of foam floating in the pure water rinse tank, which will affect the rinse effect.
[0046] As an embodiment of the present invention, air is blown into the surface conditioning tank, the surface conditioner is continuously stirred, and the surface of the steel drum can be further cleaned by introducing gas, so as to ensure the cleanliness of the surface of the steel drum and avoid precipitation by the surface conditioner. The resulting uneven adhesion of the surface modifier on the surface of the steel drum affects the adhesion of the phosphating film in the subsequent phosphating process.
[0047] As an embodiment of the present invention,...
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The invention relates to a washing and phosphorization technique, in particular to a steel drum washing and phosphorization process. According to the steel drum washing and phosphorization process, anelectromagnetic induction coil is arranged inside a degreasing-washing tank; when a steel drum is put and washed inside the degreasing-washing tank, the electromagnetic induction coil is powered on to generate an alternating magnetic field so that the steel drum can generate heat; the heat generation of the steel drum can promote removal of oil stains on the surface of the steel drum, meanwhile the temperature of a degreasing agent close to the steel drum is increased, the activity of the degreasing agent is improved, the washing effect is improved, the washing time is shortened, the heatingway is improved, heat generated by the steel drum is increased to drive temperature rise of a part of the degreasing agent, foam generation of the degreasing agent can be effectively reduced, the amount of the foam attached to the surface of the steel drum is reduced, and the washing effect is improved; moreover, the steel drum washing and phosphorization process is matched with circulation and repeating of reverse overflowing and can realize quick flowing alternating temperature reduction after the steel drum is washed, and therefore generation of lots of foam can be further prevented.
Description
technical field [0001] The invention relates to a cleaning and phosphating process, in particular to a steel drum cleaning and phosphating process. Background technique [0002] Steel drum products are in direct contact with the inner surface of the steel drum, so in order to meet the various characteristics of different contents, the inner surface of the steel drum needs to meet the corresponding chemical and physical performance requirements. Products in many industries (such as high-grade lubricating oil, high-gloss paint) have extremely high requirements on the cleanliness of the inner surface of the container. They are produced by phosphating cleaning technology, and degreasing agents are often used to clean steel drums. Degreasing agents are used for degreasing In addition to cleaning various metal materials such as copper, iron, aluminum, steel, zinc, alloys and other materials such as drawing oil, cutting oil, stamping oil, anti-rust oil, lubricating oil, gasoline, k...
Claims
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IPC IPC(8): C23G3/00C23C22/07C23C22/78
CPCC23C22/07C23C22/78C23G3/00
Inventor 杨胜石宏扬张同庆
Owner 广德正元蔬果家庭农场