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Process for carrying out vacuum cleaning, oil removal and wax removal by modified hydrocarbon cleaner

A hydrocarbon cleaning agent and vacuum cleaning technology, applied in the field of electroplating pretreatment, to achieve the effects of reducing waste water discharge, good material compatibility, and reducing the use of water resources

Inactive Publication Date: 2012-06-20
广东新球清洗科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the above problems, the object of the present invention is to provide a modified hydrocarbon cleaning agent vacuum cleaning degreasing and wax removal process for electroplating surface pretreatment; this cleaning process will not use trichlorethylene, dichloro Harmful cleaning agents such as methane and tetrachlorethylene, and no additional drying equipment is required; especially for irregular objects with blind holes, nodes, gaps, cracks and other special parts, the cleaning effect is good, making up for the oil removal in the traditional process Disadvantages of poor wax removal effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A modified hydrocarbon cleaning agent vacuum cleaning degreasing and waxing process, including the following processing steps:

[0035] Step A, degassing ultrasonic cleaning: the modified hydrocarbon cleaning agent is degassed through the cleaning tank I, degassing tank, circulating water pump, vacuum pump and pipeline, and the modified hydrocarbon cleaning agent is degassed in the degassing tank At the same time, put the object to be washed into the cleaning tank I for ultrasonic cleaning for 2 minutes; the ultrasonic frequency is 28KHz, the ultrasonic power is 500W, and the temperature of the modified hydrocarbon cleaning agent in the cleaning tank I is controlled at 55°C; the temperature of the degassing tank is controlled The vacuum degree is -80KPa;

[0036] Step B. Vacuum cleaning: Put the object to be washed into tank II filled with a modified hydrocarbon cleaning agent, control the temperature of the modified hydrocarbon cleaning agent in the tank to 55°C, and p...

Embodiment 2

[0042] A modified hydrocarbon cleaning agent vacuum cleaning degreasing and waxing process, including the following processing steps:

[0043] Step A, degassing ultrasonic cleaning: the modified hydrocarbon cleaning agent is degassed through the cleaning tank I, degassing tank, circulating water pump, vacuum pump and pipeline, and the modified hydrocarbon cleaning agent is degassed in the degassing tank At the same time, put the object to be washed into the cleaning tank 1 for ultrasonic cleaning for 4min; the ultrasonic frequency is 28KHz, the ultrasonic power is 1000W, and the temperature of the modified hydrocarbon cleaning agent in the cleaning tank is controlled at 65°C; the vacuum of the degassing tank is controlled. The degree is -90KPa;

[0044] In a new slot, repeat step A once;

[0045] Step B. Vacuum cleaning: Put the object to be washed into tank II filled with a modified hydrocarbon cleaning agent, control the temperature of the modified hydrocarbon cleaning agen...

Embodiment 3

[0051] A modified hydrocarbon cleaning agent vacuum cleaning degreasing and waxing process, including the following processing steps:

[0052] Step A, degassing ultrasonic cleaning: the modified hydrocarbon cleaning agent is degassed through the cleaning tank I, degassing tank, circulating water pump, vacuum pump and pipeline, and the modified hydrocarbon cleaning agent is degassed in the degassing tank At the same time, put the object to be washed into the cleaning tank I for ultrasonic cleaning for 5 minutes; the ultrasonic frequency is 40KHz, the ultrasonic power is 1500W, and the temperature of the modified hydrocarbon cleaning agent in the cleaning tank I is controlled at 65°C; the temperature of the degassing tank is controlled The vacuum degree is -85KPa;

[0053] In the new three tanks, repeat step A three times;

[0054] Step B. Vacuum cleaning: Put the object to be washed into tank II filled with a modified hydrocarbon cleaning agent, control the temperature of the ...

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Abstract

The invention relates to the technical field of electroplating pretreatment, in particular to a process for carrying out vacuum cleaning, oil removal and wax removal by a modified hydrocarbon cleaner. The process comprises degassing ultrasonic cleaning, vacuum cleaning, vacuum steam flushing, vacuum drying and the like. A plurality of flows are carried out in the vacuum environment with a certain vacuum degree and are matched with a degassing ultrasonic cleaning and vacuum cleaning technology and the modified hydrocarbon cleaner. For the cleaning process, in the whole process, harmful substances of halogen and the like, such as trichloroethylene, methylene chloride, tetrachloroethylene and the like, cannot be used and additional drying equipment is not required. Particularly, the process has excellent cleaning effect on irregular articles with blind holes, joints, gaps, cracks and the like. Meanwhile, the defects of oil removal and wax removal of the conventional process are overcome.

Description

technical field [0001] The invention relates to the technical field of electroplating pretreatment, in particular to a modified hydrocarbon cleaning agent vacuum cleaning degreasing and waxing process. Background technique [0002] In the surface pretreatment process of the electroplating industry, most of them currently use the cleaning process of trichlorethylene and water-based cleaning agent to remove oil and wax. Trichlorethylene is widely used in the electroplating industry because of its strong dissolving ability, good wax removal effect, non-combustibility, and fast volatilization. However, trichlorethylene is relatively toxic, which can easily cause occupational diseases and even cause death of workers. Some developed countries in Europe and the United States have banned the application of trichlorethylene in the cleaning industry. With the enhancement of people's awareness of environmental protection, some highly toxic cleaning agents and ODS cleaning agents will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/34C23G5/024
Inventor 肖连庄林再发
Owner 广东新球清洗科技股份有限公司
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