CN104451057A - Anti-corrosion quenching oil and preparation method thereof - Google Patents

Abstract

The invention discloses anti-corrosion quenching oil. The quenching oil is characterized by being prepared from the following raw materials in parts by weight: 85-95 parts of 150SN base oil, 1-2 parts of polymaleic acid, 0.1-0.2 part of inositol hexaphosphate, 0.05-0.1 part of zinc naphthenate, 0.3-0.5 part of pentaerythritol oleate, 0.1-0.2 part of dilauryl thiodipropionate, 0.3-0.5 part of trihydroxymethylpropyl trioleate, 0.3-0.5 part of glycerol tricaprylate, 0.2-0.4 part of span-80, 0.1-0.2 part of coconut oil acid alkanolamide and 1-2 parts of compound auxiliary. The quenching oil has excellent cooling performance and thermal oxidation stability, can be used for meeting the requirement for the comprehensive quality of a quenching workpiece, reducing corrosion and adhesion of impurities generated in the quenching process on the equipment and effectively reducing equipment maintenance cost.

Description

A kind of protection against corrosion quenching oil and preparation method thereof

Technical field

The present invention relates to heat treatment technics, be specifically related to a kind of protection against corrosion quenching oil and preparation method thereof.

Background technology

Quenching is a part for thermal treatment process, and steel is heated to more than transformation temperature, after held for some time, cools fast in heat-eliminating medium, thus obtains the technological process of martensitic stucture.Quenching process is directly connected to use properties and the life-span of workpiece, and selecting of quenchant is the key improving workpiece quality.Quenching oil is quenching process oil, is used as heat-eliminating medium, can reduce cracking and the distortion of workpiece, strengthens the hardness of workpiece.Quenching oil uses for a long time under high temperature and the severe condition of working continuously, and requires that oil product has good anti-oxidant, heat resistanceheat resistant and decomposes and the performance such as anti-aging, to ensure cooling performance and the work-ing life of oil product.Because quenching oil performance in life-time service process can change, need to add functional recombiner to eliminate these negative impacts.

Summary of the invention

The object of this invention is to provide a kind of protection against corrosion quenching oil.

The present invention is achieved by the following technical solutions:

A kind of protection against corrosion quenching oil, it is characterized in that, it is obtained by the raw material of following weight parts:

150SN base oil 85-95, polymaleic acid 1-2, myo-Inositol hexaphosphate 0.1-0.2, zinc naphthenate 0.05-0.1, PETO 0.3-0.5, Tyox B 0.1-0.2, trimethylolpropane tris oleic acid ester 0.3-0.5, caprylin 0.3-0.5, Arlacel-80 0.2-0.4, cocinic acid alkylolamide 0.1-0.2, composite assistant 1-2;

Wherein composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

A preparation method for protection against corrosion quenching oil, is characterized in that, comprises the following steps:

(1) 150SN base oil is added reactor, first add polymaleic acid, trimethylolpropane tris oleic acid ester, PETO and caprylin 100-120 DEG C stir 0.5-1h, then add myo-Inositol hexaphosphate, Arlacel-80 and cocinic acid alkylolamide 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 90-95 DEG C after the filtrate obtained in (2) being mixed with Tyox B and stir 1-2h, cooling adds all the other raw material stirring evenly, to obtain final product.

Advantage of the present invention is:

Quenching oil of the present invention has good cooling performance and thermal oxidation stability, can meet the overall quality requirement of quenching workpiece, and decrease quenching process produce impurity to the corrosion of equipment and adhesion, effectively reduce cost of equipment maintenance.

Embodiment

Non-limiting examples of the present invention is as follows:

A kind of protection against corrosion quenching oil, is prepared from by the component raw material of following weight (kg):

150SN base oil 90, polymaleic acid 1.5, myo-Inositol hexaphosphate 0.15, zinc naphthenate 0.08, PETO 0.4, Tyox B 0.15, trimethylolpropane tris oleic acid ester 0.4, caprylin 0.4, Arlacel-80 0.3, cocinic acid alkylolamide 0.15, composite assistant 1.5;

Wherein, composite assistant is made up of the raw material of following weight (kg):

Glycidyl acrylate 1.5, isobornyl acrylate 1.5, petroleum sodium sulfonate 0.3, zinc dialkyl dithiophosphate 0.15, polyisobutylene-bis-succinimide 0.4, dimethyl silicone oil 4, Viscotrol C 7, boronation diene base succimide 0.8, amine hydroxybenzene 0.4;

The preparation method of composite assistant:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 85 DEG C again and stir 0.5h, cool the temperature to 65 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

The preparation method of protection against corrosion quenching oil comprises the following steps:

(1) 150SN base oil is added reactor, first add polymaleic acid, trimethylolpropane tris oleic acid ester, PETO and caprylin 120 DEG C stir 0.5h, then add myo-Inositol hexaphosphate, Arlacel-80 and cocinic acid alkylolamide 60 DEG C, 400r/min stirs 10min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix latter 90 DEG C, 400r/min stirs 2h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 95 DEG C after the filtrate obtained in (2) being mixed with Tyox B and stir 1h, cooling adds all the other raw material stirring evenly, to obtain final product.

As follows according to standard SH/T0564-93 test performance index:

Kinematic viscosity (40 DEG C, mm ²/ s)≤30;

Carbon residue increased value≤1.2%;

Representative temperature >=550 DEG C.

Claims (2)

1. a protection against corrosion quenching oil, is characterized in that, it is obtained by the raw material of following weight parts:

150SN base oil 85-95, polymaleic acid 1-2, myo-Inositol hexaphosphate 0.1-0.2, zinc naphthenate 0.05-0.1, PETO 0.3-0.5, Tyox B 0.1-0.2, trimethylolpropane tris oleic acid ester 0.3-0.5, caprylin 0.3-0.5, Arlacel-80 0.2-0.4, cocinic acid alkylolamide 0.1-0.2, composite assistant 1-2;

Described composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of described composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

2. the preparation method of a kind of protection against corrosion quenching oil according to claim 1, is characterized in that, comprise the following steps:

(1) 150SN base oil is added reactor, first add polymaleic acid, trimethylolpropane tris oleic acid ester, PETO and caprylin 100-120 DEG C stir 0.5-1h, then add myo-Inositol hexaphosphate, Arlacel-80 and cocinic acid alkylolamide 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 90-95 DEG C after the filtrate obtained in (2) being mixed with Tyox B and stir 1-2h, cooling adds all the other raw material stirring evenly, to obtain final product.