CN102796598B

CN102796598B - Preparation method of synthetic screw air compressor oil

Info

Publication number: CN102796598B
Application number: CN201210269457.3A
Authority: CN
Inventors: 涂晶; 涂莹; 涂登源; 鹿毅
Original assignee: XINJIANG FLY C' OIL CO Ltd
Current assignee: XINJIANG FLY C' OIL CO Ltd
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2014-09-03
Anticipated expiration: 2032-07-30
Also published as: CN102796598A

Abstract

The invention relates to a preparation method of a synthetic screw air compressor oil. The preparation method comprises the following steps: mixing 22-23 parts of trimethylolpropane with 13-15 parts of butane diacid, or mixing 44-46 parts of trimethylolpropane with 13-15 parts of acrylic acid, or mixing 44-46 parts of trimethylolpropane with 13-15 parts of octanoic acid to form ester A; mixing 31-35 parts of glycol with 31-35 parts of butane diacid to form ester B; mixing 31-43 parts of glycol with 15.5-21.5 parts of acrylic acid to form ester C; mixing 31-38 parts of glycol with 15.5-19 parts of octanoic acid to form ester D; further mixing 43-44 parts of the mixed ester A with 43-44 parts of the mixed ester B; mixing 42-43 parts of the mixed ester A with 42-45 parts of the mixed ester C; mixing 47-49 parts of the mixed ester A with 36-38 parts of the mixed ester D; mixing 30-32 parts of the mixed ester B, 30-32 parts of the mixed ester C with 30-32 parts of the mixed ester D to prepare a base oil; and taking 44-46 parts of base oil and 4-56 parts of complex ingredients to prepare the finished product oil.

Description

A kind of preparation method of synthesis type Screw Air Compressor Oil

Technical field

The present invention relates to air-compressor lubricating oil, be particularly useful for the lubricating oil of screw air compressor system, this product has antirust, the wear-resistant wear resisting property of good anti-corruption and emulsion resistance, oxidation resistant performance.

Background technology

Compressor is the universal machine of industrial every field widespread use, compressor lubricant oil is regarded as compressor " blood ", therefore select and manufacture high-performance, high-quality lubricating oil, making to realize the key technique that can compressor assembly equipment in use energy-saving and cost-reducing.

Disclose according to document: [1] patent CN 201010613297 discloses a kind of super-high-pressure ethylene compressor oil, comprises the composition of following weight percent: polyethers synthetic oil: 93-99%; Oxidation inhibitor: 0.1-2%; Rust-preventive agent: 0-5%.The super-high-pressure ethylene compressor oil that this invention provides, taking polyethers synthetic oil as base oil, adds specific compositions of additives, can resist the dilution of ethylene gas, can under high pressure, control again the rising of viscosity, realizes good lubricating; There is good thermal oxidation stability and oilness.[2] patent CN201010277141 discloses a kind of SYNTHETIC COMPRESSOR OIL of compressing many component hydrocarbon mixture gas, it is that to gather alkylene glycols synthetic oil be base oil, be equipped with additive composition, wherein the weight ratio of each composition is as follows again: poly-alkylene glycols synthetic oil: 90-97%, oxidation inhibitor: 0.05-2%, rust-preventive agent: 0.01-2%, oiliness improver: 0.5-3%, metal passivator: 0.01-0.5%, extreme pressure anti-wear additives: 0.5-5%, kilfoam: 0.001-0.01%.[3] patent CN 200810224436 discloses a kind of air compressor oil composition, its component and content are by weight percentage: oxidation inhibitor 1.5-5%, ashless anti-rusting additive 0.03-0.5%, metal passivator 0.01-0.5%, ash-free antiwear agent are that 0.01-1.0%, kilfoam are 0.001～0.01%, and surplus is base; Base oil by polyalphaolefin and ester class oil by weight 7-9:3-1 or by hydrogenated oil and ester class oil by weight 7-9:3-1 mixed preparing form; Oxidation inhibitor is alkyl diphenylamine, polymer thioether phenol and 4,4-methylene-bis (2, the 6-di-tert-butylphenol) mixture of 1:0.1-10:0.1-10 by weight; There is fabulous high temperature antioxygen stability, anti-Coking Behavior, abrasion resistance, significant energy-saving effect, cost performance is good, and cost is low.[4] patent CN 200510026494 discloses a kind of synthetic air compressor oil, comprise that low carbon residue, the synthesizing ester oil that biodegradable rate is higher are the compositions such as master's base oil, polyalphaolefin, antioxidant additive, extreme pressure anti-wear additives, defoamer, rust-preventive agent, non-emulsifying agent or metal passivator, this complete synthesis compressor oil has excellent high and low temperature performance, anti-oxidative stability, lubricity, anti-rotten rustless property, anti-foaming properties and demulsification performance.Can meet the rotary screw formula air compressor long lifetime job requirement of working under wide temperature range.

At present, the compressor oil of China is still taking mineral oil as main, along with modernization of industry process is constantly accelerated, serious shortcoming that compressor has used mineral oil exposed day by day, as used working life short, easily catch fire and explosion safety accident, environmental pollution is serious, and energy consumption is large, changes oil and faults frequent, have a strong impact on production efficiency, and use synthetic ester lubricant can substantially solve the problems referred to above.

Polyvalent alcohol of the present invention and organic acid are selected and combination, design and synthesize there is viscosity temperature characteristic, wear-resistant wear-resisting, fabulous defoaming that pour point is low, good, corroding metal, rustless property and oil-water separativeness are not good, nontoxic and lube product that can biodegradable excellent property, is applicable to screw air compressor equipment; Meanwhile, promote China's equipment manufacture and the development of military equipment industry, solve the key technical problem of lubricant aspect.

Summary of the invention

Order of the present invention is: the ester oil obtaining have demulsification performance, anti-oxidant stable, carbon distribution proneness is little, anticorrosive, rust-proofing, oily water separation performance excellence, the fabulous advantage such as defoaming and excellent viscosity temperature characteristic, is mainly used in air compression system mechanical means etc.

The object of the present invention is achieved like this: a kind of preparation method of synthesis type Screw Air Compressor Oil, and raw material is prepared with parts by weight, implements step by step:

The preparation of step 1 compound:

Ester A: TriMethylolPropane(TMP) 22-23 part is mixed with sad 13-15 part with vinylformic acid 13-15 part or TriMethylolPropane(TMP) 44-46 with succinic acid 13-15 part or TriMethylolPropane(TMP) 44-46 part, to be prepared;

Ester B: ethylene glycol 31-35 part is mixed with succinic acid 31-35 part, to be prepared;

Ester C: ethylene glycol 31-43 part is mixed with vinylformic acid 15.5-21.5 part, to be prepared;

Ester D: ethylene glycol 31-38 part is mixed with sad 15.5-19 part, to be prepared;

Mixed ester A and ester B: 43-44 part mixed ester A and 43-44 part mixed ester B are mixed, to be prepared;

Mixed ester A and ester C: 42-43 part mixed ester A and 42-45 part mixed ester C are mixed, to be prepared;

Mixed ester A and ester D: 47-49 part mixed ester A and 36-38 part mixed ester D are mixed, to be prepared;

Mixed ester B, mixed ester C and mixed ester D: 30-32 part mixed ester B and 30-32 part mixed ester C and 30-32 part mixed ester D are mixed, to be prepared;

Through preparing: by ester A, ester B, ester C, ester D, mixed ester A and ester B, mixed ester A and C ester, mixed ester A and ester D, mixed ester B and mixed ester C and mixed ester D, the stainless steel that joins respectively belt stirrer is in harmonious proportion in still and reacts, maintain still temperature 80-90 DEG C, successive reaction 3-5 hour, mixes to obtain base oil;

The preparation of step 2 compressor oil:

Base oil: by 44-46 part ester A, or ester B or ester C or ester D, or 43-45 part ester A and 34-36 part ester B or 43-45 part ester A and 43-44 part mixed ester C or 47-49 part mixed ester A and 36-38 part mixed ester D or 30-32 part mixed ester B and 30-32 mixed ester C and 30-32 part mixed ester D composition;

Composite material: by 1-1.8 part thiophosphoric acid amine salt, 0.5-1.4 part p-tert-butylphenol, 0.3-1.0 part petroleum sodium sulfonate, base number sulfonated petro-leum in 0.3-1.0 part, 0.19-0.25 part 124 Triazole analog derivative, 0.01 part of diethyl silicone oil, 0.05 part of epoxy second, propane block ether, or 8 parts of polymethacrylate, or 16-43 part mineral oil, or 2 parts of dialkyl dithiophosphoric acid oxygen molybdenums, or 1.2-1.5 part phosphonic acid ester, or mineral oil 16-43 part or 8 parts of compositions of polymethacrylate;

Through preparing: get 44-96 part base oil, or ester A, or ester B, or ester C, or ester D, or mixed ester A and mixed ester B, or mixed ester A and mixed ester C, or mixed ester A and mixed ester D or mixed ester B, mixed ester C and mixed ester D, the stainless steel that joins belt stirrer is in harmonious proportion in still and reacts, maintain still temperature at 50-70 DEG C, continuously stirring 2-3 hour, adds the composite material of 4-56 part, i.e. thiophosphoric acid amine salt successively, p-tert-butylphenol, petroleum sodium sulfonate, middle base number sulfonated petro-leum, part 124 Triazole analog derivative, diethyl silicone oil, epoxy second, propane block ether; Or polymethacrylate, or part mineral oil, or dialkyl dithiophosphoric acid oxygen molybdenum or phosphonic acid ester, maintain still temperature at 70-80 DEG C, and continuously stirring 2-4 hour all dissolves to mixture, and oil gets product.

Action principle of the present invention is by the extreme pressure anti-wear additives of sulfur-bearing, anti-wear agent, metal passivator, purification agent, rust-preventive agent, defoamer and oxidation inhibitor, and synthetic ester lubricant is the compressor oil composition of base oil gained.

The base oil of synthesis type Screw Air Compressor Oil of the present invention, this base oil chemical molecular formula is:

The synthesis type ester class Screw Air Compressor Oil that the present invention proposes, can replace the air compressor oil taking mineral oil as base oil, greatly improve air compressor device good viscosity temperature characteristic, suitable flash-point, anti-oxidant and stability is made good use of, carbon distribution proneness is extremely low, resistant to tarnishing corrosive nature, antifoam property, fabulous oil-water separativeness, and there is biodegradable and very long feature in work-ing life, nontoxicly can not pollute the requirement that meets environmental protection; Meanwhile, the base oil of ester class synthesis type is applicable to the mediation of various lubricant bases, is the specification standards that the synthetic Screw Air Compressor Oil in basis all meets the GB12691-90 of mineral oil origin air compressor oil country with it, shows technical progress.

Embodiment

Below in conjunction with embodiment, the invention will be further described.

Embodiment 1

Get 44.6 parts of mixed ester A, the stainless steel that 8 parts of polymethacrylate and 42.14 parts of mineral oil join belt stirrer is in harmonious proportion reaction in still, maintains still temperature at 75 DEG C, continuously stirring 2 hours; Successively by 2 parts of dialkyl dithiophosphoric acid oxygen molybdenums, 1.2 parts of thiophosphoric acid amine salt, 1 part of p-tert-butylphenol, 0.3 part of petroleum sodium sulfonate, base number sulfonated petro-leum, 0.2 part of 124 Triazole analog derivative, 0.01 part of diethyl silicone oil, 0.05 part of epoxy second, propane block ether join and are in harmonious proportion in still in 0.5 part, maintain 75 DEG C of still temperature, continuously stirring 4 hours, all dissolve to mixture, and be even shape, obtain processed oil.

Embodiment 2

Get 44.5 parts of mixed ester A, the stainless steel that 35 parts of mixed ester B and 16.05 parts of mineral oil join belt stirrer is in harmonious proportion reaction in still, maintains still temperature at 55 DEG C, continuously stirring 2 hours; Successively by 1 part of thiophosphoric acid amine salt, 1 part of petroleum sodium sulfonate, 1.4 parts of p-tert-butylphenols, base number sulfonated petro-leum, 0.19 part of 124 Triazole analog derivative, 0.01 part of diethyl silicone oil, 0.05 part of epoxy second, propane block ether join and are in harmonious proportion in still in 0.8 part, maintain 70 DEG C of still temperature, continuously stirring 4 hours, all dissolve to mixture, be even shape, obtain processed oil.

Embodiment 3

Get 44.04 parts of mixed ester A, the stainless steel that 8 parts of polymethacrylate and 43.6 parts of mixed ester C join belt stirrer is in harmonious proportion reaction in still, maintains still temperature at 50 DEG C, continuously stirring 2 hours; Successively by 1.5 parts of phosphonic acid esters, 1 part of thiophosphoric acid amine salt, 0.8 part of p-tert-butylphenol, base number sulfonated petro-leum, 0.5 part of petroleum sodium sulfonate, 0.2 part of 124 Triazole analog derivative, 0.01 part of diethyl silicone oil, 0.05 part of epoxy second, propane block ether join and are in harmonious proportion in still in 0.3 part, maintain 70 DEG C of still temperature, continuously stirring 4 hours, all dissolve to mixture, be even shape, obtain processed oil.

Embodiment 4

Get 48.5 parts of mixed ester A, the stainless steel that 8 parts of polymethacrylate and 37.89 parts of mixed ester D join belt stirrer is in harmonious proportion reaction in still, maintains still temperature at 50 DEG C, continuously stirring 2 hours; Successively by 1.5 parts of phosphonic acid esters, 1.8 parts of thiophosphoric acid amine salt, 0.5 part of p-tert-butylphenol, 0.5 part of petroleum sodium sulfonate, base number sulfonated petro-leum, 0.01 part of diethyl silicone oil, 0.25 124 Triazole analog derivative, 0.05 part of epoxy second, propane block ether join and are in harmonious proportion in still in 1 part, maintain 80 DEG C of still temperature, continuously stirring 4 hours, all dissolve to mixture, be even shape and obtain processed oil.

Embodiment 5

Get 31.7 parts of mixed ester B, 31.64 mixed ester C, 31.8 parts of mixed ester D join the interior reaction of stainless steel mediation still of belt stirrer, maintain still temperature at 55 DEG C, continuously stirring 2 hours; Successively by 1.2 parts of phosphonic acid esters, 1.3 parts of thiophosphoric acid amine salt, the p-tert-butylphenol of 0.7 part, 0.01 part of diethyl silicone oil, 0.4 part of petroleum sodium sulfonate, base number sulfonated petro-leum, 0.2 part of 124 Triazole analog derivative, 0.05 part of epoxy second, propane block ether join and are in harmonious proportion in still in 1 part, maintain 80 DEG C of still temperature, continuously stirring 4 hours, all dissolve to mixture, and be even shape, obtain processed oil.

The air-compressor lubricating oil that the synthetic ester class base oil of present method is in harmonious proportion, the results are shown in following table after tested.

Upper table data are learnt: this compressor oil, its anti-oxidative stability, demulsification performance, anti-foaming properties and have great raising work-ing life.

TriMethylolPropane(TMP), ethylene glycol and the organic acid that the present invention selects provided by Haian County of Jiangsu Province petroleum chemical plant; Mineral oil is provided by Dushanzi petro-chemical corporation; Anti-wear agent, phosphonic acid ester (T451), dialkyl dithiophosphoric acid oxygen molybdenum is provided by Lanzhou Noveon Inc.; Extreme pressure anti-wear additives, thiophosphoric acid amine salt (T307) is provided by Jinzhou Huifa Tianhe Chemical Co., Ltd.; Oxidation inhibitor, p-tert-butylphenol is provided by Qingdao Ju Long Chemical Co., Ltd.; Rust-preventive agent, petroleum sodium sulfonate (T702) is provided by Nanjing Long Peng Chemical Co., Ltd.; Purification agent, middle base number sulfonated petro-leum (T102) is provided by Fushun Petrochemical Company (petrochemical industry five factories); Metal passivator, 124 Triazole analog derivative (T551) is provided by Shanghai Qing Yuanxing Chemical Industry Science Co., Ltd; Non-emulsifying agent, epoxy second, propane block ether (T1002) are provided by Jinan nova Chemical Co., Ltd.; Viscosity index improver is provided by Jilin Chemical Industrial Co. Ltd. by polymethacrylate (T602); Defoamer, diethyl silicone oil is provided by Lanzhou Noveon Inc..The stainless steel cauldron (10 cubes) that the present invention selects, by Wuxi City political circle petrochemical equipment, company limited provides.

Claims

1. a preparation method for synthesis type Screw Air Compressor Oil, is characterized in that: raw material is prepared with parts by weight, implements according to the following steps;

The preparation of step 1 base oil:

A, adopts one of following three kinds of methods to obtain ester A:22-23 part TriMethylolPropane(TMP) and mixes with 13-15 part succinic acid; Or 44-46 part TriMethylolPropane(TMP) mixes with 13-15 part vinylformic acid; Or 44-46 part TriMethylolPropane(TMP) mixes with 13-15 part is sad;

B, 31-35 part ethylene glycol and 31-35 part succinic acid are mixed to get ester B;

C, 31-43 part ethylene glycol and 15.5-21.5 part vinylformic acid are mixed to get ester C;

D, the sad ester D that is mixed to get of 31-38 part ethylene glycol and 15.5-19 part;

E, 43-44 part ester A and 43-44 part ester B are mixed to get ester E;

F, 42-43 part ester A and 42-45 part ester C are mixed to get ester F;

G, 47-49 part ester A and 36-38 part ester D are mixed to get ester G;

H, 30-32 part ester B and 30-32 part ester C and 30-32 part ester D are mixed to get ester H;

Preparation: by above-mentioned ester A, ester B, ester C, ester D, ester E, ester F, ester G, ester H, the stainless steel that joins respectively belt stirrer is in harmonious proportion in still and reacts, and maintains still temperature 80-90 DEG C, and successive reaction 3-5h, mixes to obtain base oil;

The preparation of step 2 compressor oil:

I, composite material: bybase number sulfonated petro-leum in 1-1.8 part thiophosphoric acid amine salt, 0.5-1.4 part p-tert-butylphenol, 0.3-1.0 part petroleum sodium sulfonate, 0.3-1.0 part, 0.19-0.25 part 124 Triazole analog derivative, 0.01 part of diethyl silicone oil, 0.05 part of epoxy second, propane block ether; Or 8 parts of polymethacrylate; Or 16-43 part mineral oil; Or 2 parts of dialkyl dithiophosphoric acid oxygen molybdenums; Or 1.2-1.5 part phosphonic acid ester; Or 8 parts of polymethacrylate compositions;

Preparation: will step 1 gainedbase oil 44-96 part, the stainless steel that joins belt stirrer is in harmonious proportion in still and reacts, and maintains still temperature at 50-70 DEG C, and continuously stirring 2-3h, adds the composite material of 4-56 part, maintains still temperature at 70-80 DEG C, and continuously stirring 2-4h all dissolves to mixture, and oil gets product.

2. method according to claim 1, is characterized in that: the raw material of selecting is commercially available prod.