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Scale inhibition method for boiler

A boiler and scale inhibitor technology, which is applied in the field of boiler scale inhibition to achieve the effects of equipment safety, convenient cleaning and simple operation

Pending Publication Date: 2022-08-09
扬州红耀锅炉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the commonly used single-compound corrosion and scale inhibitors are difficult to completely solve the problems of corrosion and scaling in water treatment systems

Method used

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  • Scale inhibition method for boiler

Examples

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Effect test

Embodiment 1

[0034] like figure 1 As shown, the scale inhibition method for a boiler according to an embodiment of the present invention includes the following steps:

[0035] Step S1, extract a small amount of boiler water at the boiler dosing port in advance, collect the index information of the boiler water, and obtain the concentration of the added scale inhibitor;

[0036] In step S2, the outlet of the deaerator port of the boiler is used as the dosing port, and the scale inhibitor is added, and the scale inhibitor mainly contains pure water, sodium alginate, organic phosphate, trisodium phosphate, sodium hydroxide, and oxygen scavenger. and metal corrosion inhibitors;

[0037] Step S3, monitoring the effect of the scale inhibitor, and adjusting the scale inhibitor concentration, including the following steps;

[0038] Step S301, collecting index information and scale inhibitor concentration information of boiler water in a period;

[0039] Step S302, based on the index information...

Embodiment 2

[0046] like figure 1 As shown, the scale inhibition method for a boiler according to an embodiment of the present invention includes the following steps:

[0047] Step S1, extract a small amount of boiler water at the boiler dosing port in advance, collect the index information of the boiler water, and obtain the concentration of the added scale inhibitor;

[0048] In step S2, the outlet of the deaerator port of the boiler is used as the dosing port, and the scale inhibitor is added, and the scale inhibitor mainly contains pure water, sodium alginate, organic phosphate, trisodium phosphate, sodium hydroxide, and oxygen scavenger. and metal corrosion inhibitors;

[0049] Step S3, monitoring the effect of the scale inhibitor, and adjusting the scale inhibitor concentration, including the following steps;

[0050] Step S301, collecting index information and scale inhibitor concentration information of boiler water in a period;

[0051] Step S302, based on the index information...

Embodiment 3

[0058] like figure 1 As shown, the scale inhibition method for a boiler according to an embodiment of the present invention includes the following steps:

[0059] Step S1, extract a small amount of boiler water at the boiler dosing port in advance, collect the index information of the boiler water, and obtain the concentration of the added scale inhibitor;

[0060] In step S2, the outlet of the deaerator port of the boiler is used as the dosing port, and the scale inhibitor is added, and the scale inhibitor mainly contains pure water, sodium alginate, organic phosphate, trisodium phosphate, sodium hydroxide, and oxygen scavenger. and metal corrosion inhibitors;

[0061] Step S3, monitoring the effect of the scale inhibitor, and adjusting the scale inhibitor concentration, including the following steps;

[0062] Step S301, collecting index information and scale inhibitor concentration information of boiler water in a period;

[0063]Step S302, based on the index information ...

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Abstract

The invention discloses a scale inhibition method for a boiler, and relates to the technical field of industrial boilers, and the scale inhibition method comprises the following steps: extracting a small amount of boiler water at a boiler dosing port in advance, collecting the index information of the boiler water, and obtaining the concentration of an added scale inhibitor; a scale inhibitor is added with the outlet end of a deoxidizing opening of the boiler as a dosing opening, and the scale inhibitor mainly comprises pure water, sodium alginate, organic phosphate, trisodium phosphate, sodium hydroxide, a deoxidant and a metal corrosion inhibitor; the action condition of the scale inhibitor is monitored, and the concentration of the scale inhibitor is adjusted. The corrosion and scale inhibitor has excellent corrosion and scale inhibition performance, can form a layer of protective film on the metal surface, greatly reduces the corrosion rate, and has the advantages of simple operation, thorough descaling, convenient cleaning, safety to equipment, safety and environmental protection.

Description

technical field [0001] The invention relates to the technical field of industrial boilers, in particular to a scale inhibition method for boilers. Background technique [0002] The boiler system will inevitably produce scale and rust in the long-term use process, which will reduce the thermal efficiency by an order of magnitude. The evaporation of water gradually increases the salt content in the boiler system, and the decomposition and dissipation of carbon dioxide in the water increases the tendency of calcium carbonate in the water to scale and precipitate on the heat transfer surface. After the scale and rust are produced, not only a lot of energy is wasted, but also the service life of the whole system is greatly reduced due to the rusting of pipes and equipment, resulting in a lot of unnecessary losses. In addition, the tube wall in some places of the boiler is very thin and thin, and the thickness of the dirt should be strictly controlled. [0003] Therefore, it is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/08C02F5/14C02F5/10C02F5/12
CPCC02F5/08C02F5/145C02F5/125C02F5/105C02F2303/08C02F2303/22
Inventor 沈大伟
Owner 扬州红耀锅炉有限公司
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