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Engine cooling liquid prepared by utilizing coal ethylene glycol waste

An engine coolant, coal-to-ethylene glycol technology, applied in the field of engine coolant, can solve problems such as waste of resources, and achieve the effects of reducing corrosion, lowering freezing point, and low cost

Active Publication Date: 2014-03-26
安阳化学工业集团有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of producing coal-to-ethylene glycol, more than 10% of ethylene glycol waste will be produced. If the production load of these coal-to-ethylene glycol projects is calculated at 80%, about 450,000 tons of ethylene glycol will be produced every year. scrap
At present, these ethylene glycol wastes are sold at a lower price and used as fuel, which causes a great waste of resources and puts a lot of pressure on the environment

Method used

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  • Engine cooling liquid prepared by utilizing coal ethylene glycol waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Add 0.097 parts of polyacrylate into 30 parts of deionized water, stir evenly to dissolve. Then add 68 parts of effective antifreeze components in coal-based ethylene glycol waste, 0.8 parts of sodium nitrite, 0.2 parts of sodium molybdate, 0.6 parts of disodium hydrogen phosphate, 0.3 parts of methacrylate and 0.003 parts of methylene blue, at 40 °C Stir to dissolve completely.

[0018] The effective antifreeze component in the ethylene glycol waste is the distillate of coal-based ethylene glycol waste at 110°C to 260°C.

Embodiment 2

[0019] Example 2: 0.097 parts of polymethacrylic acid hydroxyethylidene diphosphonic acid was added to 35 parts of deionized water, stirred evenly to dissolve. Then add 62 parts of effective antifreeze components in coal-based ethylene glycol waste, 1 part of sodium nitrite, 1 part of sebacic acid, 0.8 part of disodium hydrogen phosphate, 0.1 part of polyether defoamer and 0.003 part of methylene blue , Stir at 40°C to dissolve completely.

[0020] The effective antifreeze component in the ethylene glycol waste is the distillate of coal-based ethylene glycol waste at 105°C to 200°C.

Embodiment 3

[0021] Example 3: 0.1 part of polyacrylate and 0.098 part of sodium ethylenediamine tetramethylene phosphonate were added to 40 parts of deionized water, stirred evenly to dissolve. Then add 58 parts of effective antifreeze components in coal-based ethylene glycol waste, 1 part of sodium nitrite, 0.3 parts of sodium molybdate, 0.2 parts of sodium borate, 0.3 parts of methacrylate and 0.002 parts of methyl red, at 40 ° C Stir to dissolve completely.

[0022] The effective antifreeze component in the ethylene glycol waste is the distillate of coal-based ethylene glycol waste at 100°C to 260°C.

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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 [0001] The invention belongs to an engine cooling liquid, in particular to an engine cooling liquid prepared from coal-based ethylene glycol waste. Background technique [0002] Engine coolant is mainly composed of water, antifreeze and additives. According to the different components of antifreeze, it is divided into methanol-ethanol type, ethylene glycol type, propylene glycol type and non-alcohol type. At present, the engine coolant used in China is mainly ethylene glycol type. my country's ethylene glycol market demand is highly dependent on foreign countries, and 70% of ethylene glycol needs to be imported. my country's resources are short of oil, low in gas, and rich in coal, and the production process of ethylene glycol mainly uses petroleum as raw material, so the production cost of ethylene glycol in China is relatively high. Relying on the advantages of my country's coal resources, the development of coal-to-ethylene glycol has certain significanc...

Claims

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Application Information

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IPC IPC(8): C09K5/20
Inventor 高恒荆民哲刘宏建李长峰王柯许耀辉黄振振闫振华
Owner 安阳化学工业集团有限责任公司
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