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Hot water boiler pH value regulator

A hot water boiler and conditioner technology, applied in the direction of neutralization water/sewage treatment, etc., can solve the problems of unfavorable popularization and application, high cost, etc., and achieve the effect of convenient operation, simple use method, and corrosion prevention

Active Publication Date: 2012-06-13
北京市丰台区特种设备检测所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the components of the boiler water treatment agent are mainly non-common chemicals, and the cost is high, which is not conducive to popularization and application.

Method used

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  • Hot water boiler pH value regulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The hot water boiler pH regulator consists of the following components: 70 parts by weight of sodium carbonate, 10 parts by weight of sodium tripolyphosphate, 8 parts by weight of sodium hexametaphosphate, 2 parts by weight of sodium sulfite, and 1 part by weight of sodium polyacrylate.

Embodiment 2

[0018] The hot water boiler pH regulator consists of the following components: 75 parts by weight of sodium carbonate, 15 parts by weight of sodium tripolyphosphate, 12 parts by weight of sodium hexametaphosphate, 4 parts by weight of sodium sulfite, and 3 parts by weight of sodium polyacrylate.

Embodiment 3

[0020] The hot water boiler pH regulator consists of the following components: 73 parts by weight of sodium carbonate, 12 parts by weight of sodium tripolyphosphate, 10 parts by weight of sodium hexametaphosphate, 3 parts by weight of sodium sulfite, and 2 parts by weight of sodium polyacrylate.

[0021] The effect of using the hot water boiler pH value regulator in the above-mentioned embodiments will be described below.

[0022] 1. Uniform corrosion full immersion test to evaluate the corrosion inhibition performance of the hot water boiler PH value regulator

[0023] 1. Sample

[0024] 1.1 The sample uses 20# boiler steel plate, the size of the test piece is 50×25×2mm in length×width×thickness, the diameter of the hanging hole is 4mm, and the total area of ​​the test piece is 0.0028m 2 .

[0025] 1.2 Test piece processing

[0026] 1.2.1 In distilled water, scrub it with absorbent cotton, then rinse with distilled water for 15 seconds.

[0027] 1.2.2 In chemically pure a...

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Abstract

The invention provides a hot water boiler PH value regulator which has low cost and can solve the corrosion problem of the boiler. The hot water boiler pH value regulator comprises the following components in parts by weight: 65-80 parts of sodium carbonate, 10-15 parts of sodium tripolyphosphate, 7-13 parts of sodium hexametaphosphate, 1-5 parts of sodium sulfite and 1-5 parts of sodium polyacrylate. The hot water boiler PH value regulator is characterized by simple use method, convenient operation, economy and practicability, thus the problems that the boiler water of the hot water boiler is not qualified and the boiler is corroded can be solved fundamentally.

Description

technical field [0001] The invention relates to a pH regulator for a hot water boiler. Background technique [0002] Boiler body corrosion is mostly caused by oxygen corrosion. The "Industrial Boiler Water Quality" (GB1576-2001) standard stipulates that when the rated thermal power is greater than or equal to 4.2MW, the feed water of the pressurized hot water boiler should be deoxygenated, and the rated power is less than 4.2MW. The feed water for pressurized hot water boilers and atmospheric pressure hot water boilers should be deaerated as much as possible. Because once the dissolved oxygen in the feed water enters the boiler, and no other measures are taken, almost all of it will be consumed in metal corrosion. However, the cost of oxygen removal by oxygen removal equipment is high, the effect is usually not ideal, and it is difficult to completely solve the problem of oxygen corrosion. [0003] Practice has proved that oxygen corrosion is closely related to the pH valu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/66
Inventor 杨荣和贾强杨丽军李冰清刘花路程仇景泽贾仁财
Owner 北京市丰台区特种设备检测所
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