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A synergistic oxygen removal device for a deaerator

A deaerator, oxygenated water technology, applied in heating water/sewage treatment, degassed water/sewage treatment, etc., can solve the problem of deoxidizing effect being lower than the standard, etc. The effect of increasing the contact area

Active Publication Date: 2022-03-22
周利杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the oxygen removal effect of the existing deaerator is far lower than the standard due to various factors in the actual production, the present invention provides a synergistic oxygen removal device for the deaerator. Adding a synergistic deaeration device between the existing deaerator and the water storage tank not only has a small modification range, but also greatly enhances the deaeration effect, and can reduce the dissolved oxygen content in the deaeration water to below 15 micrograms per liter

Method used

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  • A synergistic oxygen removal device for a deaerator
  • A synergistic oxygen removal device for a deaerator
  • A synergistic oxygen removal device for a deaerator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] like Figure 2-8 As shown, a synergistic oxygen removal device for a deaerator includes a deaerator 1, and the water deoxygenated by the deaerator 1 enters the water storage tank 2 through the drain pipe I105, and the synergistic oxygen removal device Set on the drain pipe 5, including the water distribution tank 3, the bottom of the water distribution tank 3 communicates with the water storage tank 2 through the drain pipe II 304, and the top of the water distribution tank 3 communicates with the drain pipe I 105 through the water distribution hollow plate 301 distributed with atomizing nozzles, so that The water in the drain pipe I105 is evenly sprayed into the water distribution tank 3 in the form of mist, and the water distribution tank 3 is provided with a water separator 4, which includes a horizontally arranged water distribution plate 401, and the water distribution plate 401 The water distribution tank 3 is divided into an upper chamber 306 and a lower chamber ...

Embodiment 2

[0042] This embodiment is an improvement made on the basis of Embodiment 1, and its basic structure is the same as that of Embodiment 1, the difference is that: image 3 and 4 As shown, the lower chamber 307 of the water distribution tank 3 is provided with a row of second steam branch pipes 302 uniformly supplied with steam by the first steam main pipe, and a first steam branch pipe 302 is provided below the gap between two adjacent second steam branch pipes 302 The steam branch pipe 303, all the first steam branch pipes 303 are uniformly supplied with steam by the second steam main pipe; the water distribution holes 402 on the water distribution plate 401 are evenly distributed in rows, and each row of water distribution holes 402 corresponds to a first Two steam branch pipes 302 and the first steam branch pipe 303, so that the first steam injection pipe 602 below any water distribution hole 402 of the row communicates with the first steam branch pipe 303, and the second ste...

Embodiment 3

[0045] This embodiment is another improvement made on the basis of embodiment 1, and its basic structure is the same as that of embodiment 1, the difference is that: Figure 5 As shown, the water distribution hole 402 includes an upper outer expansion water area 4021, a middle narrow area 4022 and a bottom outer diffusion water area 4023, so that the deoxygenated water is steamed from bottom to top when passing through the narrow area 4022 Purge and disperse downward against the side wall of the outer diffusion water area 4023, improving the heating efficiency.

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Abstract

A synergistic oxygen removal device for a deaerator, which belongs to the field of thermal power generation. The synergistic oxygen removal device is arranged on the drain pipe of the deaerator, and includes a water distribution tank. The bottom of the water distribution tank is connected to the water storage tank through the drainage pipe II. The top of the water tank is connected to the drainpipe I through the water distribution hollow plate with atomizing nozzles, so that the water in the drainpipe I is evenly sprayed into the water distribution tank in the form of mist, and the water distribution tank is equipped with a water separator and an air jet assembly. The core of the synergistic deaeration device of the present invention lies in the water distribution holes on the water distribution plate in the water distribution tank and the air injection components arranged in each water distribution hole. The special structure of the air injection components matches the shape and structure of the water distribution holes. , so that multiple times of heating and deoxygenation of deoxygenated water are formed in the water distribution tank, thereby improving the deoxygenation efficiency and deoxygenation effect.

Description

technical field [0001] The invention relates to the production of deoxygenated water in the field of thermal power generation, in particular to a synergistic deoxygenation device for a deaerator. Background technique [0002] The deaerator is one of the key equipment of the boiler and heating system. If the deaerator has poor deoxygenation capacity, it will cause serious losses to the corrosion of the boiler feed water pipe, economizer and other auxiliary equipment, and the economic loss will be the deaerator. Dozens or hundreds of times the cost of the oxygen generator. The main functions of the deaerator are as follows: one is to use the principle of thermodynamics to heat the feed water to the saturation temperature, and remove the dissolved gas in the feed water; the other is to increase the temperature of the feed water to improve the thermal cycle efficiency of the unit. [0003] At present, the deaerators equipped with large units include spray deaerators, rotary mem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/20C02F1/02
CPCC02F1/20C02F1/02
Inventor 周利杰马拴长古江华张留峰岳威
Owner 周利杰