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[CN 201720884353.1] Self-cleaning device for sewage pipe of hydraulic press
[CN 201720884353.1] Title of a self-cleaning device for hydraulic machine sewage pipes: Application number of a self-cleaning device for hydraulic machine sewage pipes: CN 201720884353.1 Applicant: Dalian Engineering Technology Co., Ltd. of Yizhong Group; China First Heavy Machinery Co., Ltd. Application Date: 2017-7-20 Patent Type: Utility Model A self-cleaning device for hydraulic machine sewage pipes, including waste oil collection system and compressed air branch, the waste oil collection system includes the upper cross beam platform of the press connected by the pipeline, the valve group, the oil receiving pan and the waste liquid collection oil tank. The oil circuit ball valve is arranged at the interface of the oil receiving pan and the upper cross beam platform of the press connected with the waste liquid collection main pipe. The oil injection port ball valve is arranged at the connection port of the waste liquid collection main pipe and the waste liquid collection oil tank, the gas path ball valve I is connected with the compressed air source, and the gas path ball valve II is connected with the waste liquid collection manifold. The advantages are: compressed air can adapt to all complex pipelines, and the elbow of the pipeline has no effect on cleaning; compressed air is the cheapest and cleanest energy source, which will not bring additional pollution to the press, and has low energy consumption; the circuit is simple and the workers Easy to operate; the maintenance problem of the pipeline is completely solved.
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