Reinforced heat-transfer agent for heating system

A technology for strengthening heat transfer and heating systems, applied in descaling and water softening, chemical instruments and methods, complex/solubilizer treatment, etc. problems, to achieve the effect of improving the thermal conductivity, enhancing the heat transfer capacity, and reducing the thermal conductivity

Inactive Publication Date: 2016-04-20
QINGDAO JIENENG ENVIRONMENTAL PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology improves upon traditional methods for removing contaminants from surfaces by adding an insoluble substance called nonsucleophilic polymer that forms a layer over the affected area during regular maintenance procedures. By dispersing this material throughout the entire process, it becomes more effective at reducing resistivity when conductors pass through them compared to non-dispersed materials like oil mist. Additionally, these technologies enhances the efficiency of heat transmission between different parts within the same device's structure.

Problems solved by technology

The technical issue addressed by this patented technology relates to prevention from damage caused by contamination during warm-up periods due to iron oxide (FeO) particles present in condensation systems' liquid phase. This phenomenon occurs when Fe3+ ionic species react with oxygen molecules at high temperatures under certain conditions such as exposure to air containing sulfur dioxides (SO2) for long hours. These reactions lead to formation of insoluble salts called hydrous calcium carbonate (CaCO 3). Overall, these issues impact how well an electric power plant operational cycle starts up again after being warmed back down overnight.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1 Heat transfer agent for heating system, including the following components in parts by weight: fatty alcohol polyoxyethylene ether 0.05%, hydroxyethylidene diphosphonic acid 15%, dodecyl dimethyl benzyl ammonium bromide 1 %, polyacrylic acid 10%, benzotriazole 1%, high-fine graphite powder 0.5%, sodium silicate 3%, and the balance is water. After mixing the components evenly according to the proportion, adjust the pH to neutral with sodium hydroxide.

Embodiment 2

[0016] Example 2 Heat transfer agent for heating system, including the following components in parts by weight: 0.2% fatty alcohol polyoxyethylene ether, 26% hydroxyethylidene diphosphonic acid, 3 dodecyl dimethyl benzyl ammonium bromide %, polyacrylic acid 15%, benzotriazole 2%, high-fine graphite powder 1%, sodium silicate 6%, and the balance is water. After all components are mixed evenly according to the proportion, sodium hydroxide is used to adjust the pH to neutral.

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PUM

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Abstract

The invention belongs to the field of fine chemical industry, and particularly relates to a reinforced heat-transfer agent for a heating system. The reinforced heat-transfer agent can reinforce the heat-transfer efficiency of the heating system and prevent heating equipment pipelines from rusting. The reinforced heat-transfer agent for the heating system is prepared from, by weight, 0.05%-0.2% of penetrant, 15%-26% of etidronic acid, 1%-3% of dodecyl dimethyl benzyl ammonium bromide, 10%-15% of polyacrylic acid, 0.8%-2% of 1,2-aminoazophenylene, 0.2%-1% of high fine graphite powder, 3%-6% of sodium silicate and the balance water. According to the reinforced heat-transfer agent for the heating system, by means of the dispersive action of the heat-transfer agent, dirt of rust deposits and the like on the surface inside heating equipment can be gradually cleaned away, thermal-conduction resistance is reduced, the flow velocity of water is increased, and the heat-transfer capacity is enhanced; scattered dirt is in a molecular state or an ionic state, and the heat-transfer rate of the water can be increased; the heat-transfer agent can form thin and compact supramolecular protective film on the clean metal surface, corrosion inhibition and scale inhibition effects are close to 100 percent, and the efficient heat-transfer capacity is guaranteed.

Description

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Claims

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Application Information

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Owner QINGDAO JIENENG ENVIRONMENTAL PROTECTION CO LTD
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