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A water-based cleaning agent for petrochemical equipment cleaning

The technology of a water-based cleaning agent and equipment is applied in the directions of detergent compositions, detergent compounding agents, surface active detergent compositions, etc., and can solve the problems of low cleaning cleanliness, poor safety performance, and high corrosiveness. To achieve the effect of strong decontamination and cleaning ability, good cleaning effect and safe use

Active Publication Date: 2020-05-12
济南惠成达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as the water-based cleaning agent in the prior art is concerned, due to its composition, there are deficiencies in aspects such as high corrosiveness, low cleaning degree, and weak safety performance.

Method used

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  • A water-based cleaning agent for petrochemical equipment cleaning
  • A water-based cleaning agent for petrochemical equipment cleaning
  • A water-based cleaning agent for petrochemical equipment cleaning

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1. A kind of water-based cleaning agent that is used for petrochemical equipment cleaning, each component is by mass percentage,

[0035] Fatty alcohol polyoxyethylene ether 11%

[0036] Tetrahydrofuran-2-methanol 20%

[0037] Triethanolamine 16%

[0038] Tetrasodium EDTA 0.2%

[0039] Benzotriazole 2.5%

[0040] Water makes up 100%.

[0041] The preparation method is as follows: in a blender, add the raw materials of each component weighed according to a certain proportion in sequence, mix them evenly under high-speed stirring, put them into a 200L finished product barrel after testing for mutual solubility, and seal them for future use.

Embodiment 2

[0042] Embodiment 2. A kind of water-based cleaning agent for petrochemical equipment cleaning, each component is by mass percentage,

[0043] Fatty alcohol polyoxyethylene ether 12%

[0044] Tetrahydrofuran-2-methanol 20%

[0045] Triethanolamine 18%

[0046] Tetrasodium EDTA 0.15%

[0047] Benzotriazole 2.7%

[0048] Water makes up 100%.

[0049] The preparation method is the same as in Example 1.

Embodiment 3

[0050] Embodiment 3. A kind of water-based cleaning agent that is used for petrochemical equipment cleaning, each component is by mass percentage,

[0051] Fatty alcohol polyoxyethylene ether 13%

[0052] Tetrahydro-2-furfural 22%

[0053] Diethanolamine 19%

[0054] Disodium EDTA 0.1%

[0055] Benzotriazole 3%

[0056] Water makes up 100%.

[0057] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a water-based detergent used for cleaning petrochemical devices. The water-based detergent comprises, by mass, 10-13% of a natural fatty alcohol and ethylene oxide polymer, 18-22% of a furan derivative, 15-19% of a chelating agent, 0.1-0.2% of a complexing agent, 2-3% of a rust and corrosion inhibitor, and the balance of water. The water-based detergent overcomes the shortcomings of high corrosion, low cleaning factor and poor safety of present water-based detergents, and has the advantages of good cleaning effect, high decontaminating and cleaning ability, no damages or corrosion to cleaned workpieces, safety in use, and nontoxicity and innocuousness.

Description

technical field [0001] The invention relates to a water-based cleaning agent used for cleaning petrochemical equipment, which belongs to the technical field of petrochemical industry. Background technique [0002] In the industrial petrochemical production, the refining production mainly adopts the atmospheric and vacuum distillation unit and the follow-up unit of deep processing, such as ethylene cracking, catalytic cracking, delayed coking, aromatics combination, hydrofining and other units. During the contact process of these equipment in the atmosphere, environment, production raw materials, media, products, mechanical oil, etc., due to physical, chemical, electrochemical or biological effects, residues, deposition and formation of various substances on the surface of the equipment are harmful to production operations and products. Pollutants or coatings that are harmful to quality or human health, this is industrial dirt. Therefore, oil scale and coke scale problems ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/72C11D3/20C11D3/30C11D3/33C11D3/28C11D3/60
CPCC11D1/721C11D3/2096C11D3/28C11D3/30C11D3/33
Inventor 赵学法杜章森
Owner 济南惠成达科技有限公司
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