Phosphorus-free environment-friendly metal degreasing agent, production method and application method

A degreaser, environmental protection technology, applied in the field of non-phosphorus environmental protection metal degreaser, can solve the problems of reducing the strength of the workpiece, many impurities, large environmental pollution, etc., to achieve the effect of easy discharge treatment, convenient preparation process, and meet the discharge requirements

Active Publication Date: 2016-09-21
GUANGZHOU CCM ELECTRICAL APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the traditional degreasing and stain removal treatment, the outer surface of the ferrous metal often has pockmarks, that is, there are irregular surface defects; and the surface is prone to scarring, because the steel material is uneven and there are many impurities. Impurities are exposed after degreasing and stain removal, resulting in scarring
Therefore, burrs will appear on the surface of the metal workpiece after the traditional degreasing and stain removal treatment, and the contact between the workpiece and the workpiece will cut the surface. Deep cuts will reduce the strength of the workpiece and reduce the performance of the equipment, resulting in potential safety hazards for the equipment.
In addition, because the traditional degreasing agent contains phosphorus, it has a large environmental pollution and is not conducive to environmental protection.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Produce non-phosphorus environmental protection metal degreasing agent according to the following method:

[0025] First mix 30 kg of soda ash, 0.5 kg of silicon milk and 67.5 kg of sodium citrate evenly, then add 1 kg of sodium lauryl sulfate and 1 kg of organic silicate, and stir until completely uniform to obtain powdery phosphorus-free environmentally friendly metal Degreasers.

[0026] Use the above-mentioned non-phosphorus environmental protection metal degreaser to clean the oil stains on the ferrous metal surface, including the following steps:

[0027] (1) Preparation of lotion: Add the powdery phosphorus-free environmental protection metal degreaser into clear water with a water temperature of 30°C, stir until it is completely dissolved, and the resulting washing solution has a concentration of 5% and a pH value of 12, and then transfers it to a roll type In the cleaning tank;

[0028] (2) Put the ferrous metal to be washed into the washing tank, and seal th...

Embodiment 2

[0033] Produce non-phosphorus environmental protection metal degreasing agent according to the following method:

[0034] First, mix 50 kg of caustic soda, 1.5 kg of silicon milk and 33.5 kg of fatty polyoxyethylene ether, then add 10 kg of sodium lauryl sulfate and 5 kg of polyoxyethylene alkylphenol ether, and stir until completely uniform to obtain powder Phosphorus-free and environmentally friendly metal degreaser.

[0035] Use the above-mentioned non-phosphorus environmental protection metal degreaser to clean the oil stains on the ferrous metal surface, including the following steps:

[0036] (1) Preparation of lotion: Add the powdery phosphorus-free environmental protection metal degreaser into clear water with a water temperature of 70°C, stir until it is completely dissolved. In the cleaning tank;

[0037] (2) Put the ferrous metal to be washed into the washing tank, and seal the upper cover;

[0038] (3) Turn on the power of the roller cleaning tank for washing, a...

Embodiment 3

[0042] Produce non-phosphorus environmental protection metal degreasing agent according to the following method:

[0043] First, mix 35 kg of sodium percarbonate, 0.8 kg of silicon milk and 59.2 kg of sodium sulfate evenly, then add 3 kg of sodium lauryl sulfate and 2 kg of polyoxyethylene alkylphenol ether, and stir until completely uniform to obtain a powder Phosphate-free and environmentally friendly metal degreaser.

[0044] Use the above-mentioned non-phosphorus environmental protection metal degreaser to clean the oil stains on the ferrous metal surface, including the following steps:

[0045] (1) Preparation of lotion: Add the powdery phosphorus-free environmental protection metal degreaser into clear water with a water temperature of 40°C and stir until it is completely dissolved. In the cleaning tank;

[0046] (2) Put the ferrous metal to be washed into the washing tank, and seal the upper cover;

[0047] (3) Turn on the power of the roller cleaning tank for washin...

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PUM

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Abstract

The invention discloses a non-phosphorus environment-friendly metal degreasing agent, comprising 30%-50% of a degreasing agent, 0.5%-1.5% of a defoaming agent, 1%-10% of a foaming agent, 1%-5% of a surface active agent and the balance of a complexing agent. The invention also discloses a production method of the non-phosphorus environment-friendly metal degreasing agent; and the method comprises steps of: evenly mixing the degreasing agent, the defoaming agent and the complexing agent, then adding the foaming agent and the surface active agent, and stirring until a completely uniform state to obtain the powdery non-phosphate environment-friendly metal degreasing agent. The invention also discloses a usage method of the non-phosphorus environment-friendly metal degreasing agent; and the usage method comprises the following steps: preparing a lotion; adding the metal to be washed into a washing trough, and washing the metal; and washing the metal with clear water. The metal degreasing agent provided by the invention has good cleaning effect on oil on surface of black metal, little corrosiveness, and insusceptibility to corrosion; the waste cleaning agent is convenient for treatment and beneficial to environmental protection; and the preparation process is simple and at low cost.

Description

technical field [0001] The invention relates to a metal degreasing agent, in particular to a non-phosphorous and environment-friendly metal degreasing agent having a good cleaning effect on oil stains on ferrous metal surfaces, a production method and a use method. Background technique [0002] Ferrous metals refer to iron, manganese, chromium and other alloys, such as steel, pig iron, ferroalloy, cast iron, etc. Both steel and pig iron are alloys based on iron with carbon as the main additive element, collectively referred to as iron-carbon alloys. Ferrous metals are widely used in metallurgical iron and steel industry, machinery manufacturing, shipbuilding, national defense industry, petroleum machinery industry, aircraft, automobile, motorcycle manufacturing, textile, hardware, mold, instrument, medical equipment industry, various steel industry chrome plating , galvanized deep processing and many other industries can be applied. In order to further improve the quality ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/14
Inventor 杨东佑吴晓英
Owner GUANGZHOU CCM ELECTRICAL APPLIANCE
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