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Boiler feed water deaerator and boiler system

A boiler feed water and deaeration water tank technology, applied in the control of feed water, feed water heaters, chemical instruments and methods, etc., can solve the problems of loss of deaeration capacity, waste, heat waste, etc., to reduce the increase rate, reduce heat and water The effect of wasting resources

Active Publication Date: 2017-01-18
刘高宇
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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a boiler feed water deaeration device and a boiler system to solve the problem that the oxygen deaeration agent (sulfite) in the dosing box reacts with the oxygen in the air in the prior art and loses the deaeration capacity , resulting in waste, resulting in an increase in the salt content of the boiler return water, resulting in a waste of heat

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  • Boiler feed water deaerator and boiler system

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] In order to solve the waste caused by the reaction of the oxygen scavenger (sulfite) in the chemical dosing box with the oxygen in the air in the prior art, which leads to the increase of the salt content in the boiler feed water and the waste of heat, the application discloses a A kind of boiler feed water deaeration device, see figure 1 , the device consists of:

[0042] Dosing box 101;

[0043] The water supply unit 3 connected to the medicine addi...

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Abstract

The invention provides a boiler feed water deaerator and a boiler system. A certain volume of shielding gas is injected into a dosing tank through a gas filling unit by means of the boiler feed water deaerator. Due to the fact that the density of the shielding gas is larger than that of oxygen, the shielding gas can float on the surface of liquid in the dosing tank, and the air is isolated from the liquid surface; and due to the fact that it is difficult for the shielding gas to react with an oxygen scavenger, the oxygen in the air is isolated from a solution through the shielding gas, the oxygen scavenger in the solution cannot be in contact with the oxygen in the air, oxidation is prevented, the increase speed of the amount of salt in a deoxygenization water tank is reduced, and accordingly the waste of heat and water resources is reduced.

Description

technical field [0001] The invention relates to the technical field of boiler systems, in particular to a boiler feed water deoxygenation device and a boiler system for deoxidizing boiler feed water by adding chemicals. Background technique [0002] A variety of gases are dissolved in the boiler feed water, and some gas components will affect the service life of the boiler equipment. Among these gases, oxygen has the greatest impact on the boiler equipment, which seriously affects the service life of the boiler. In order to remove these oxygen, usually in Sulfite (usually sodium sulfite) is added to the boiler feed water to remove oxygen dissolved in the boiler feed water and protect the feed water pipes and the inner wall of the boiler from oxygen corrosion. Adopting this method, the cost is low, the equipment is simple, the operation is convenient, and the deoxygenation effect is good. [0003] In actual use, sulfite is usually dissolved in water to form a sulfite aqueous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22D1/50F22D5/26
CPCF22D1/50F22D5/26
Inventor 刘高宇
Owner 刘高宇
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