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Packing for packed tower and seawater desulfurization device

A technology of desulfurization device and packed tower, applied in chemical/physical process, chemical/physical/physical chemical process, separation method, etc., can solve the problems of high manufacturing cost and large pressure loss, achieve simple structure, inhibit gas Effect of Reduction of Liquid Contact Efficiency

Active Publication Date: 2020-12-25
MITSUBISHI POWER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to increase the gas-liquid contact efficiency, it can be realized by increasing the surface area of ​​the filler, but this requires the filler to be provided in a complicated shape, and there are problems such as high manufacturing cost and large pressure loss.

Method used

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  • Packing for packed tower and seawater desulfurization device
  • Packing for packed tower and seawater desulfurization device
  • Packing for packed tower and seawater desulfurization device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0049] (The overall structure of the seawater desulfurization device)

[0050] figure 1 It is a schematic diagram showing the structure of the seawater desulfurization device of the first embodiment. Such as figure 1 As shown, the seawater desulfurization device 10 (desulfurization device) of the first embodiment has a packed tower 11 (exhaust gas desulfurization absorption tower), an inlet side dilution mixing tank 12, an oxidation tank 13 for water quality recovery treatment, and an outlet side dilution mixing tank 14 .

[0051] In this embodiment, the seawater 15 used in the packed tower 11 and the seawater 15 used for water quality improvement in the oxidation tank 13 for water quality recovery treatment are drawn separately and used in the condenser (not shown) of the boiler 21. The seawater before being discharged into the sea 16 after cooling.

[0052] In addition, seawater 15 for dilution is passed through the pump P 11 Via seawater supply line L 1 While drawing ...

no. 2 approach

[0101] Next, a second embodiment will be described. The filler 11Ba of the second embodiment differs from the first embodiment in that the plate portion has a protrusion. In the second embodiment, the description of the same structure as that of the first embodiment is omitted.

[0102] Figure 8 and Figure 9 It is a sectional view of the filling part of 2nd Embodiment. Such as Figure 8 As shown, the first plate unit 64a of the first filling portion 50 of the second embodiment has a plate portion 62Aa. In addition, the first plate unit 64a of the second filling portion 52 of the second embodiment has a plate portion 62Ba. The plate portion 62Aa and the plate portion 62Ba, that is, the plate portion 62a are plates having a constant thickness from the upper end surface 66a toward the lower end surface 67a. That is, the surfaces 68a on both sides along the direction X of the plate portion 62a are along the direction Z (vertical direction). Moreover, the plate part 62a ha...

no. 3 approach

[0119] Next, a third embodiment will be described. The filler 11Bb of the third embodiment differs from the first embodiment in that it has an opening plate portion 90 . In the third embodiment, description of the same configuration as that of the first embodiment is omitted.

[0120] Figure 14 and Figure 15 It is a sectional view of the filling part of 3rd Embodiment. Figure 16 It is a top view of the filling part of 3rd Embodiment. Such as Figure 14 As shown, the first plate unit 64b of the first filling portion 50 of the third embodiment has a plate portion 62Ab. In addition, the first plate unit 64b of the second filling portion 52 of the third embodiment has a plate portion 62Bb. The plate portion 62Ab and the plate portion 62Bb, that is, the plate portion 62b are plates having a constant thickness from the upper end surface 66b toward the lower end surface 67b. That is, the surfaces 68b on both sides along the direction X of the plate portion 62b are along the...

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Abstract

A reduction in gas-liquid contact efficiency is suppressed by a simple structure. Filler (11B) is installed in the inside of the packed tower, and is poured with water from the vertical direction upward so that the water circulates inside and the exhaust gas circulates inside, so that the exhaust gas is desulfurized by contacting the water. filler. The filler (11B) has: a first plate unit (64) having a plurality of plate portions (62A) extending in the vertical direction and provided at predetermined intervals; and a second plate unit having the same The plate parts (62) of the plate unit (64) intersect and extend along the vertical direction, and a plurality of plate parts (72) arranged at regular intervals, and the second plate unit and the first plate unit (64) together A lattice portion (69) having openings at both ends along the vertical direction is formed. The thickness of the plate portion (62) decreases from the upper end surface (66) in the vertical direction toward the lower end surface (67).

Description

technical field [0001] The invention relates to a packing material for a packing tower and a seawater desulfurization device. Background technique [0002] In recent years, thermal power plants equipped with seawater desalination equipment have tended to increase. In addition, a desulfurization device is installed to remove sulfur components contained in exhaust gas generated by burning fossil fuels such as coal. Seawater desulfurization, which utilizes seawater as an absorbing liquid to desulfurize, is attracting attention from the viewpoints of building near the sea because a large amount of cooling water is required in power stations, etc. . This seawater desulfurization device using seawater as an absorbent is used in thermal power plants and the like because it is less expensive than the lime-gypsum method. [0003] This seawater desulfurization device includes, for example, Patent Document 1, which includes an exhaust gas desulfurization absorption tower (packed tow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/32B01D53/50B01D53/78
CPCB01D3/28B01D53/18B01D2252/1035B01D53/504B01D2257/302B01D2258/0283B01D2251/11B01D2251/606B01D53/1456B01D53/50B01D53/78B01J19/32
Inventor 吉元贵志山田开理平山航一郞神山直行香川晴治竹内康浩佐佐木良三
Owner MITSUBISHI POWER LTD
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