CN103666389A - Engine cooling liquid prepared by utilizing coal ethylene glycol waste - Google Patents
Engine cooling liquid prepared by utilizing coal ethylene glycol waste Download PDFInfo
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Abstract
The invention belongs to engine cooling liquid, and particularly relates to engine cooling liquid prepared by utilizing coal ethylene glycol waste. The engine cooling liquid comprises the following components in parts by weight: 10 to 60 parts of deionized water, 40 to 90 parts of effective anti-freezing component in the coal ethylene glycol waste, 0.1 to 5 parts of corrosion inhibitor, 0.05 to 1 part of anti-scaling agent, 0.05 to 1 part of defoaming agent and 0.001 to 0.05 part of coloring agent. Compared with the traditional ethylene glycol cooling liquid, the engine cooling liquid has the following characteristics that the traditional ethylene glycol cooling liquid adopts the ethylene glycol prepared by adopting the petroleum as a raw material, so that the price is high; the anti-freezing component adopted in the engine cooling liquid is the waste of the coal ethylene glycol, so that the cost is low, and waste can be converted into treasure.
Description
Technical field
The invention belongs to a kind of engine coolant, particularly a kind of engine coolant of preparing with coal-ethylene glycol waste material.
Background technology
Engine coolant is mainly comprised of water, deicing fluid and additive.Different according to the composition of deicing fluid, be divided into again methanol/ethanol type, ethylene glycol type, propylene glycol and non-alcohol type etc., domestic used engine coolant is mainly ethylene glycol type at present.China's ethylene glycol market requirement dependence on external supply degree is very high, and 70% ethylene glycol needs import.The resource situation of China is oil starvation, weak breath, rich coal, and the production technique of ethylene glycol mainly be take oil as raw material, and therefore the production cost of domestic ethylene glycol is higher.And the coal resources advantage of dependence China, Development of Coal preparing ethylene glycol, has certain meaning to national strategic stability.
According to pertinent data, in the coming years, the coal-ethylene glycol production capacity of China will reach 5,560,000 tons/year, and this will alleviate the intake pressure of China to ethylene glycol to a certain extent.But in producing the process of coal-ethylene glycol, can produce more than 10% ethylene glycol waste material, if the production of these coal-ethylene glycol projects load is by 80% calculation, every year by the ethylene glycol waste material that produces approximately 450,000 tons.At present, these ethylene glycol waste materials, all with lower sell at competitive, are used as fuel, caused the great wasting of resources, and environment is caused to very large pressure.Test according to one's analysis, outside dewatering in these waste materials, main component be ethylene glycol, 1,2 ?the dibasic alcohol such as butyleneglycol, if these coal-ethylene glycol waste materials reasonably can be utilized, such as making engine coolant, will greatly reduce the wasting of resources, increase the income of enterprise.
Summary of the invention
The object of the invention is to reasonably utilize the waste material in coal-ethylene glycol production process, by scientific experimentation, analysis, provide a kind of engine coolant of preparing with coal-ethylene glycol waste material.
The engine coolant of preparing with coal-ethylene glycol waste material, by following weight part: 0.001 part～0.05 part of 40 parts～90 parts of effective antifreezing component in 10 parts～60 parts of deionized waters, coal-ethylene glycol waste material, 0.1 part～5 parts of inhibiter, 0.1 part～5 parts of buffer reagents, 0.05 part～1 part of Scale inhibitors, 0.05 part～1 part of defoamer and tinting material are made.
Effective antifreezing component in described coal-ethylene glycol waste material is: coal-ethylene glycol waste material is distilled to cutting, get boiling range and be 100 ℃ ?the cut of 260 ℃; Or according to the particular case of coal-ethylene glycol waste material, to 100 ℃ ?the cut of 260 ℃ distill again cutting, when in coal-ethylene glycol waste material, the massfraction sum of the ester such as ethylene glycol monomethyl ether, methyl glycolate, dimethyl oxalate, ethers is greater than 1%, cut to 100 ℃～260 ℃ distills cutting again, cut into the cut of boiling range scope below, 124～163 ℃ of cuts, 200～205 ℃ of cuts and be greater than 260 ℃ of cuts and will cut away, get remaining several sections of cut as effective antifreezing component of coal-ethylene glycol waste material.
Effective antifreezing component in described coal-ethylene glycol waste material is: coal-ethylene glycol waste material is distilled to cutting, get boiling range and be 106 ℃ ?the cut of 200 ℃.
Described inhibiter be Sodium orthomolybdate, Sodium Nitrite, sebacic acid, linoleic acid dimer, 2,6 ?the tertiary butyl to any one or a few mixing in toluene, benzotriazole, methyl benzotriazazole sodium salt, water glass, diethanolamine, dimethyl sulfoxide (DMSO); Described buffer reagent is any one or the two kinds of mixing in Sodium phosphate dibasic and Sodium Tetraborate; Described Scale inhibitors is any one or a few mixing in polyacrylic ester, polymethyl acrylic acid 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, ethylene diamine tetra methylene phosphonic acid sodium, PAPE; Described defoamer is any one or the two kinds of mixing in polyethers defoamer and methacrylic ester; Described tinting material is any one or a few mixing in phenolsulfonphthalein, Methylene blue, methyl red.
The described engine coolant of preparing with coal-ethylene glycol waste material, by following weight part: 0.05 part of 70 parts of effective antifreezing component in 20 parts of deionized waters, coal-ethylene glycol waste material, 3 parts of inhibiter, 5 parts of buffer reagents, 0.95 part of Scale inhibitors, 1 part of defoamer and tinting material are made.
The described engine coolant of preparing with coal-ethylene glycol waste material, by following weight part: 0.01 part of 40 parts of effective antifreezing component in 50 parts of deionized waters, coal-ethylene glycol waste material, 3 parts of inhibiter, 5 parts of buffer reagents, 1 part of Scale inhibitors, 0.99 part of defoamer and tinting material are made.
The described engine coolant of preparing with coal-ethylene glycol waste material, by following weight part: 0.03 part of 50 parts of effective antifreezing component in 49 parts of deionized waters, coal-ethylene glycol waste material, 0.77 part of inhibiter, 0.1 part of buffer reagent, 0.05 part of Scale inhibitors, 0.05 part of defoamer and tinting material are made.
The described engine coolant of preparing with coal-ethylene glycol waste material, Scale inhibitors is joined to deionized water for stirring even, it is dissolved, then add effective antifreezing component, inhibiter, buffer reagent, defoamer and tinting material in coal-ethylene glycol waste material, at 40 ℃, stir it is dissolved, obtain.
Engine coolant prepared by coal-ethylene glycol waste material of the present invention is compared with ethylene glycol type cooling fluid in the past, there is following feature: glycol-cooled liquid in the past adopts is to take the ethylene glycol that oil prepared as raw material, price is higher, and the waste material that the antifreezing component adopting in the present invention is coal-ethylene glycol, cost is lower, turns waste into wealth; Composition in coal-ethylene glycol waste material is methyl-formiate, methylal, methylcarbonate, ethylene glycol monomethyl ether, methyl glycolate, ethylene glycol, 1,2 ?propylene glycol, 2,3 ?butyleneglycol, dimethyl oxalate, 1,2 ?butyleneglycol, 1,4 ?butyrolactone, oxalic acid diethyl ester, 1,4 ?butyleneglycol, 1,2 ?hexylene glycol, triethylene glycol, ethylene glycol, 1,2 ?butyleneglycol, Diethylene Glycol, NSC 11801, water etc., outside dewatering, be mainly di-alcohols and ester class, and dibasic alcohol itself is exactly good cooling fluid composition, therefore does not need to add a lot of additives; Coal-ethylene glycol waste material itself is weakly alkaline, does not need to add too much mineral alkali, thereby has reduced to a certain extent the corrosion to engine; In waste material, itself contain a certain amount of water, so the alcohols in waste material and ester class have well water-solublely, needn't worry demixing phenomenon can occur; And the condensation point of ester class itself is just very low, contribute to reduce the freezing point of engine coolant.
According to NB/SH/T0521 ?2010 < < ethylene glycol type and propylene glycol engine coolant > >, technical specifications, cooling fluid in the present invention is tested, be the results are shown in following table:
According to above experimental data, can show that cooling fluid of the present invention meets national standard, the cooling fluid quality that it is raw material production that cooling fluid effect reaches with oil.
Embodiment
Embodiment 1: 0.097 part of polyacrylic ester is joined in the deionized water of 30 parts, stir and make its dissolving.Add effective antifreezing component, 0.8 part of Sodium Nitrite, 0.2 part of Sodium orthomolybdate, 0.6 part of Sodium phosphate dibasic, 0.3 part of methacrylic ester and 0.003 part of Methylene blue in 68 parts of coal-ethylene glycol waste materials, 40 ℃ of stirrings are dissolved it completely again.
In described ethylene glycol waste material, effectively antifreezing component is coal-ethylene glycol waste material, the cut in 110 ℃～260 ℃.
Embodiment 2: 0.097 part of polymethyl acrylic acid 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid is joined in the deionized water of 35 parts, stir and make its dissolving.Add again the effective antifreezing component in 62 parts of coal-ethylene glycol waste materials, 1 part of Sodium Nitrite, 1 part of sebacic acid, 0.8 part of Sodium phosphate dibasic, 0.1 part of polyethers defoamer and 0.003 part of Methylene blue, stir it is dissolved completely at 40 ℃.
In described ethylene glycol waste material, effectively antifreezing component is coal-ethylene glycol waste material, the cut in 105 ℃～200 ℃.
Embodiment 3: 0.1 part of polyacrylic ester and 0.098 part of ethylene diamine tetra methylene phosphonic acid sodium are joined in the deionized water of 40 parts, stir and make its dissolving.Add again the effective antifreezing component in 58 parts of coal-ethylene glycol waste materials, 1 part of Sodium Nitrite, 0.3 part of Sodium orthomolybdate, 0.2 part of Sodium Tetraborate, 0.3 part of methacrylic ester and 0.002 part of methyl red, stir it is dissolved completely at 40 ℃.
In described ethylene glycol waste material, effectively antifreezing component is coal-ethylene glycol waste material, the cut in 100 ℃～260 ℃.
The present invention describes by above-described embodiment, but not limiting the scope of the invention.Any those skilled in the art are easy to technical scheme of the present invention simply revise or replace, so the present invention is only subject to the restriction of content and the scope of the claims in the present invention.
Claims (8)
1. the engine coolant of preparing with coal-ethylene glycol waste material, is characterized in that: by following weight part: 0.001 part～0.05 part of 40 parts～90 parts of effective antifreezing component in 10 parts～60 parts of deionized waters, coal-ethylene glycol waste material, 0.1 part～5 parts of inhibiter, 0.1 part～5 parts of buffer reagents, 0.05 part～1 part of Scale inhibitors, 0.05 part～1 part of defoamer and tinting material are made.
2. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 1, it is characterized in that: the effective antifreezing component in described coal-ethylene glycol waste material is: coal-ethylene glycol waste material is distilled to cutting, get boiling range and be 100 ℃ ?the cut of 260 ℃; Or according to the particular case of coal-ethylene glycol waste material, to 100 ℃ ?the cut of 260 ℃ distill again cutting, when in coal-ethylene glycol waste material, the massfraction sum of the ester such as ethylene glycol monomethyl ether, methyl glycolate, dimethyl oxalate, ethers is greater than 1%, cut to 100 ℃～260 ℃ distills cutting again, cut into the cut of boiling range scope below, 124～163 ℃ of cuts, 200～205 ℃ of cuts and be greater than 260 ℃ of cuts and will cut away, get remaining several sections of cut as effective antifreezing component of coal-ethylene glycol waste material.
3. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 2, it is characterized in that: the effective antifreezing component in described coal-ethylene glycol waste material is: coal-ethylene glycol waste material is distilled to cutting, get boiling range and be 106 ℃ ?the cut of 200 ℃.
4. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 1, it is characterized in that: described inhibiter be Sodium orthomolybdate, Sodium Nitrite, sebacic acid, linoleic acid dimer, 2,6 ?the tertiary butyl to any one or a few mixing in toluene, benzotriazole, methyl benzotriazazole sodium salt, water glass, diethanolamine, dimethyl sulfoxide (DMSO); Described buffer reagent is any one or the two kinds of mixing in Sodium phosphate dibasic and Sodium Tetraborate; Described Scale inhibitors is any one or a few mixing in polyacrylic ester, polymethyl acrylic acid 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, ethylene diamine tetra methylene phosphonic acid sodium, PAPE; Described defoamer is any one or the two kinds of mixing in polyethers defoamer and methacrylic ester; Described tinting material is any one or a few mixing in phenolsulfonphthalein, Methylene blue, methyl red.
5. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 1, is characterized in that: by following weight part: 0.05 part of 70 parts of effective antifreezing component in 20 parts of deionized waters, coal-ethylene glycol waste material, 3 parts of inhibiter, 5 parts of buffer reagents, 0.95 part of Scale inhibitors, 1 part of defoamer and tinting material are made.
6. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 1, is characterized in that: by following weight part: 0.01 part of 40 parts of effective antifreezing component in 50 parts of deionized waters, coal-ethylene glycol waste material, 3 parts of inhibiter, 5 parts of buffer reagents, 1 part of Scale inhibitors, 0.99 part of defoamer and tinting material are made.
7. the engine coolant of preparing with coal-ethylene glycol waste material according to claim 1, is characterized in that: by following weight part: 0.03 part of 50 parts of effective antifreezing component in 49 parts of deionized waters, coal-ethylene glycol waste material, 0.77 part of inhibiter, 0.1 part of buffer reagent, 0.05 part of Scale inhibitors, 0.05 part of defoamer and tinting material are made.
According to claim 1 ?the engine coolant of preparing with coal-ethylene glycol waste material described in 7 any one, it is characterized in that: Scale inhibitors is joined to deionized water for stirring even, make its dissolving, add again effective antifreezing component, inhibiter, buffer reagent, defoamer and tinting material in coal-ethylene glycol waste material, at 40 ℃, stir it is dissolved, obtain.
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Cited By (9)
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| CN104893686A (en) * | 2015-06-03 | 2015-09-09 | 辽宁石油化工大学 | Method for preparing antifreezing solution by developing, distilling and decoloring coal-to-ethylene glycol technology waste liquid by organic mixed alkali |
| CN104893687A (en) * | 2015-06-03 | 2015-09-09 | 辽宁石油化工大学 | Method for directly preparing anti-freezing solution by quickly treating coal-to-ethylene glycol technology waste liquid by inorganic base |
| CN105331336A (en) * | 2015-11-24 | 2016-02-17 | 张家港迪克汽车化学品有限公司 | Coolant for internal combustion engines |
| CN108359415A (en) * | 2015-09-23 | 2018-08-03 | 山东安纳吉能源科技发展有限公司 | Ethylene glycol type solar energy heat conducting medium |
| CN109179699A (en) * | 2018-09-19 | 2019-01-11 | 宁夏神耀科技有限责任公司 | A kind of the combined type dirt dispersion agent and its application method of gasification system |
| CN111718695A (en) * | 2020-07-25 | 2020-09-29 | 淮北金岭石化有限公司 | Production method of anti-freezing solution for hydraulic support |
| CN113248363A (en) * | 2021-05-17 | 2021-08-13 | 岳阳昌德环境科技有限公司 | Recycling method of methyl formate waste liquid |
| CN114561196A (en) * | 2022-02-22 | 2022-05-31 | 河北工业大学 | Antifreeze fluid using coal-to-ethylene glycol byproduct as raw material |
| CN115124977A (en) * | 2022-02-22 | 2022-09-30 | 河北工业大学 | Antifreezing solution prepared from products obtained after vacuum distillation of coal-to-ethylene glycol byproducts |
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Cited By (13)
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| CN104893687A (en) * | 2015-06-03 | 2015-09-09 | 辽宁石油化工大学 | Method for directly preparing anti-freezing solution by quickly treating coal-to-ethylene glycol technology waste liquid by inorganic base |
| CN104893686B (en) * | 2015-06-03 | 2018-05-22 | 辽宁石油化工大学 | A kind of method for making coal-ethylene glycol process waste liquor colour developing distillation decoloration anti-icing fluid using organic mixed base |
| CN104893687B (en) * | 2015-06-03 | 2018-05-29 | 辽宁石油化工大学 | A kind of method that coal-ethylene glycol process waste liquor anti-icing fluid directly processed is quickly handled using inorganic base |
| CN104893686A (en) * | 2015-06-03 | 2015-09-09 | 辽宁石油化工大学 | Method for preparing antifreezing solution by developing, distilling and decoloring coal-to-ethylene glycol technology waste liquid by organic mixed alkali |
| CN108359415B (en) * | 2015-09-23 | 2020-07-10 | 山东安纳吉能源科技发展有限公司 | Ethylene glycol type solar heat-conducting medium |
| CN108359415A (en) * | 2015-09-23 | 2018-08-03 | 山东安纳吉能源科技发展有限公司 | Ethylene glycol type solar energy heat conducting medium |
| CN105331336A (en) * | 2015-11-24 | 2016-02-17 | 张家港迪克汽车化学品有限公司 | Coolant for internal combustion engines |
| CN109179699A (en) * | 2018-09-19 | 2019-01-11 | 宁夏神耀科技有限责任公司 | A kind of the combined type dirt dispersion agent and its application method of gasification system |
| CN109179699B (en) * | 2018-09-19 | 2020-10-09 | 宁夏神耀科技有限责任公司 | Combined scale inhibition and dispersion agent of coal gasification system and application method thereof |
| CN111718695A (en) * | 2020-07-25 | 2020-09-29 | 淮北金岭石化有限公司 | Production method of anti-freezing solution for hydraulic support |
| CN113248363A (en) * | 2021-05-17 | 2021-08-13 | 岳阳昌德环境科技有限公司 | Recycling method of methyl formate waste liquid |
| CN114561196A (en) * | 2022-02-22 | 2022-05-31 | 河北工业大学 | Antifreeze fluid using coal-to-ethylene glycol byproduct as raw material |
| CN115124977A (en) * | 2022-02-22 | 2022-09-30 | 河北工业大学 | Antifreezing solution prepared from products obtained after vacuum distillation of coal-to-ethylene glycol byproducts |
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