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Ethene compressor cleaning media

A compressor, ethylene technology, applied in the directions of additives, petroleum industry, lubricating compositions, etc., can solve the problems of poor adaptability of cracking raw materials, side effects of subsequent devices, and insignificant anti-scaling effect, and achieves low cost, strong adaptability, Good anti-fouling effect

Active Publication Date: 2006-05-31
浙江杭化科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] None of the above-mentioned antiscaling agents were developed for fouling of the compressor system of the ethylene plant, so there will be problems such as excessive dosage, poor adaptability to cracking raw materials, or insignificant anti-scaling effect, and some even have adverse effects on subsequent devices. side effect

Method used

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  • Ethene compressor cleaning media
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Add 120g of 2,6-di-tert-butyl-p-cresol and 410g of kerosene into a container respectively, raise the temperature to 80°C, stir at a constant temperature to completely dissolve the p-cresol, then cool to room temperature, and while stirring, Add 350g of dibutyl phosphite and 120g of tetradecyl dimethyl tertiary amine respectively, and after they are fully mixed, filter to obtain the antiscalant agent code HK-1.

[0042] The anti-scaling agent code-named HK-1 is evaluated in the laboratory for its anti-scaling effect. The method is as follows:

[0043] (1) Evaluation method

[0044] The evaluation device for anti-scaling effect of anti-scaling agent is designed according to the principle of heat transfer. It uses a heat pipe to allow the medium to flow continuously in the heat pipe. At the beginning, because the medium has not scaled on the heat pipe, the total heat transfer resistance is only the heat transfer resistance of the heat pipe wall; as the running time increa...

Embodiment 2

[0055] Components are 50g 2,6-di-tert-butylphenol, 400g triphenyl phosphate, 60g dodecyl dimethyl tertiary amine, 490g toluene, and others are the same as in Example 1.

Embodiment 3

[0057] Components are 20g 2-tert-butyl-4,6-dimethylphenol, 200g triethyl phosphate, 300g trioctyl tertiary amine, 460g toluene, and others are the same as in Example 1.

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Abstract

An ethylene compressor anti-scale agent consists of phenols antioxidant 2í½15wt%, organo phosphorous compound 10í½40wt%, amine inhibitor 6í½30wt% and solvent residue. It has good anti-scale effect.

Description

technical field [0001] The invention relates to an antiscaling agent specially used for ethylene compressors, which is added to compressor cleaning oil for use. Background technique [0002] In order to prevent fouling of the compressor system of the ethylene plant, washing oil is usually injected into the compressor. The washing oil can play two functions, one is to wash away the scale adhered to the impeller and cavity of the compressor; The second is to cool the cracked gas to slow down the polymerization fouling. [0003] Chinese patent CN1217373A points out a kind of antiscaling agent that can effectively suppress fouling in petroleum processing (refinery cracking unit). The antifouling agent contains polyisobutylene imine compounds, tert-butylphenol compounds, polyoxyalkylene amine compounds, organic acid ester compounds, disalicylidene diamine compounds and the like. [0004] Japanese patent JP2001181600 discloses an antiscaling agent that can be used in the depropa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M137/04C10N30/04
Inventor 林向阳徐建良李有金潘雪朵熊刚华
Owner 浙江杭化科技股份有限公司
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