CN-122006422-A - Tray structure, absorption tower and flue gas desulfurization system

Abstract

The application relates to the technical field of absorption towers and discloses a tray structure, an absorption tower and a flue gas desulfurization system, wherein the tray structure comprises a reinforcing ring which is annular and is arranged on the peripheral wall of the absorption tower in a surrounding manner; the suspension cable type tray is suspended in the absorption tower, two ends of the suspension cable type tray are connected with two opposite ends of the reinforcing ring, and the suspension cable type tray is an alloy piece. The suspension cable type tray of the technical scheme of the application occupies space which is only the thickness of the suspension cable type tray, and the whole suspension cable type tray is in a tension state, so that the advantage of high tensile strength of an alloy piece is fully utilized, the sufficient strength of the suspension cable type tray is ensured, the engineering quantity and the installation cost of the suspension cable type tray are greatly reduced, and meanwhile, the suspension cable type tray has a light self structure, and is simple to install, safe and reliable. And the stability of the annular reinforcing ring is fully utilized, so that the safety and reliability of the whole tray structure are ensured.

Inventors

• WU GUOHUI
• WANG KAILIANG
• LU HU
• XIA HUAIPENG
• ZHAO BING
• SUN LIQUN
• TIAN LIJUAN
• ZHANG HAIBO
• YANG PENGFEI
• WANG YANG

Assignees

• 中国华电科工集团有限公司
• 华电环保系统工程有限公司

Dates

Publication Date

20260512

Application Date

20260130

Claims (10)

1. 1. A tray structure, comprising: The reinforcing ring (1) is annular, and the reinforcing ring (1) is arranged on the peripheral wall of the absorption tower (2) in a surrounding mode; The suspension cable type tray (3) is suspended in the absorption tower (2), two ends of the suspension cable type tray (3) are connected with two opposite ends of the reinforcing ring (1), and the suspension cable type tray (3) is an alloy piece.
2. 2. The tray structure of claim 1, further comprising: The ring plate (4) is annular, the ring plate (4) is arranged on the inner peripheral wall of the absorption tower (2) in a surrounding mode, and two ends of the suspension cable type tray (3) are connected with the reinforcing ring (1) through the ring plate (4).
3. 3. The tray structure according to claim 1 or 2, characterized in that the catenary tray (3) comprises: the tray plates (5) are detachably connected through fasteners in sequence.
4. 4. A tray structure according to claim 3, wherein the fastener is a bolt.
5. 5. A tray structure according to claim 1 or 2, wherein the material of the alloy member is alloy stainless steel.
6. 6. The tray structure of claim 5, wherein the alloy stainless steel is 2205 stainless steel.
7. 7. A pallet structure according to claim 1 or 2, characterized in that the reinforcement ring (1) is a carbon steel piece.
8. 8. An absorption tower comprising a tray structure according to any one of claims 1 to 7.
9. 9. The absorption column according to claim 8, characterized by further comprising: The flue gas absorption device comprises an absorption tower (2), a spraying layer (6) and a flue gas outlet (8), wherein the spraying layer (6) is positioned in the absorption tower (2), the spraying layer (6) is positioned above a suspension cable type tray (3) with a tray structure, the absorption tower (2) is provided with the flue gas inlet (7) and the flue gas outlet (8), the absorption tower (2) is suitable for introducing flue gas from the flue gas inlet (7), and the flue gas is discharged from the flue gas outlet (8) through the suspension cable type tray (3) with the tray structure and the spraying layer (6) in sequence.
10. 10. A flue gas desulfurization system comprising an absorption tower as claimed in claim 8 or 9.

Description

Tray structure, absorption tower and flue gas desulfurization system Technical Field The invention relates to the technical field of absorption towers, in particular to a tray structure, an absorption tower and a flue gas desulfurization system. Background In a flue gas desulfurization system, a desulfurization absorber is generally provided. A tray is generally arranged between the inlet of the desulfurization absorption tower and the spraying layer. A liquid-holding layer is arranged above the tray, and the liquid-holding layer is used for carrying out efficient dust washing and desulfurization on the passing smoke. A horizontal supporting beam is welded on the inner wall of the absorption tower, and the tray is fixed on the horizontal supporting beam. The height of the tray is typically greater than 500 meters. The total thickness of the tray and the horizontal supporting beam is larger, so that the whole structure is heavy and the installation is complex. Disclosure of Invention In view of the above, the present invention provides a tray structure to solve the problems of heavy overall structure and complex installation due to the large total thickness of the existing tray and horizontal support beams. In a first aspect, the present invention provides a tray structure comprising: the reinforcing ring is annular and is arranged on the peripheral wall of the absorption tower in a surrounding manner; The suspension cable type tray is hung in the absorption tower, two ends of the suspension cable type tray are connected with two opposite ends of the reinforcing ring, and the suspension cable type tray is an alloy piece. The cable-suspended tray has the beneficial effects that by adopting the technical scheme, the space occupied by the cable-suspended tray is only the thickness of the cable-suspended tray, the whole cable-suspended tray is in a tension state, the advantage of high tensile strength of an alloy piece is fully utilized, the strength of the cable-suspended tray is ensured to be enough, the engineering quantity and the installation cost of the cable-suspended tray are greatly reduced, and meanwhile, the cable-suspended tray has a light self-structure, and is simple to install, safe and reliable. And the stability of the annular reinforcing ring is fully utilized, so that the safety and reliability of the whole tray structure are ensured. Optionally, the method further comprises: The annular plate is annular, the annular plate is arranged on the inner peripheral wall of the absorption tower in a surrounding mode, and two ends of the suspension cable type tray are connected with the reinforcing ring through the annular plate. Optionally, the suspension cable tray includes: the tray plates are detachably connected through fasteners in sequence. Optionally, the fastener is a bolt. Optionally, the alloy member is made of alloy stainless steel. Optionally, the alloy stainless steel is 2205 stainless steel. Optionally, the reinforcing ring is a carbon steel member. The application has the beneficial effects that by adopting the technical scheme, the good compression resistance of the carbon steel piece is fully utilized, the safety and reliability of the reinforcing ring are ensured, and the safety and reliability of the tray structure are further ensured. In a second aspect, the invention also provides an absorption tower, which comprises the tray structure. Optionally, the method further comprises: The flue gas absorption device comprises an absorption tower, a spraying layer, a flue gas inlet and a flue gas outlet, wherein the spraying layer is positioned in the absorption tower and above a suspension cable type tray of the tray structure, the absorption tower is provided with the flue gas inlet and the flue gas outlet, and the absorption tower is suitable for introducing flue gas from the flue gas inlet and then sequentially discharging the flue gas from the flue gas outlet through the suspension cable type tray of the tray structure and the spraying layer. In a third aspect, the invention also provides a flue gas desulfurization system, which comprises the absorption tower. Drawings In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic cross-sectional view of a tray structure provided in an embodiment of the present invention; Fig. 2 is a schematic cross-sectional view of a tray structure according to an embodiment of the present invention. Reference numerals illustrate: 1. reinforcing ring, absorption tower, suspension cable tray, ring plate, tray plate, spray layer, flue gas i