CN-122006423-A - Novel diamond-arranged packing for improving mass transfer of absorption tower

Abstract

The invention relates to the technical field of carbon dioxide absorption fillers, in particular to a novel diamond-arranged filler for improving mass transfer of an absorption tower, which comprises a plurality of filler units, wherein each filler unit is a hollow prismatic dodecahedron, each surface of each filler unit is provided with a hexagonal micro-groove, the filler units are arranged side by side to form filler layers, the filler layers are provided with a plurality of layers of diamond-arranged filler bodies, and the filler layers are arranged in a staggered and stacked manner. The invention forms a stable three-dimensional structure by changing the filler structure, improves the mass transfer efficiency, and can enhance the updating of interfaces by generating local vortex at the edge angle of each filler unit when the gas-liquid two-phase flows through the diamond arranged filler body.

Inventors

• AI YONGMING
• WEI JINGXUAN
• WANG YANG
• Ding Xiangxin
• WANG HUANJUN
• GAO SHIWANG
• ZHANG YUGANG

Assignees

• 中国华能集团清洁能源技术研究院有限公司
• 华能吉林发电有限公司长春热电厂

Dates

Publication Date

20260512

Application Date

20260203

Claims (9)

1. 1. The novel diamond-arranged packing for improving mass transfer of the absorption tower is characterized by comprising a plurality of packing units, wherein each packing unit is a hollow prismatic dodecahedron, and each surface of each packing unit is provided with a hexagonal micro groove; The packing units are arranged side by side to form packing layers, the packing layers are provided with a plurality of layers of packing bodies which are arranged in a diamond arrangement mode, and the packing layers are stacked in a staggered mode.
2. 2. The novel packing of claim 1, wherein each side length of the packing unit is set to 10-30 mm, and each wall thickness is set to 0.3-1.0 mm.
3. 3. A novel packing of diamond alignment for improving mass transfer in an absorber column as claimed in claim 1 or 2 wherein each packing element is provided with a hydrophilic coating.
4. 4. The novel packing of diamond alignment for improving mass transfer of absorber column as claimed in claim 1, wherein the specific surface area of the packing body of diamond alignment is 650 。
5. 5. The novel packing of diamond alignment for improving mass transfer of an absorber as claimed in claim 1, wherein the pressure drop of the packing of diamond alignment is 80 to 100pa/m.
6. 6. The novel packing of diamond alignment for improving mass transfer of absorption tower as claimed in claim 1, wherein the mass transfer coefficient of the packing body of diamond alignment is 0.15-0.18 。
7. 7. A novel packing of diamond alignment for improving mass transfer in an absorber column as claimed in claim 1 wherein the spacing between adjacent packing layers is 50-80mm.
8. 8. A novel packing of diamond alignment for improving mass transfer in an absorber as set forth in claim 1 wherein the porosity of said packing of diamond alignment is 92%.
9. 9. A novel packing of diamond alignment for improving mass transfer in an absorber column as set forth in claim 1, wherein each of said packing elements is provided as a stainless steel member.

Description

Novel diamond-arranged packing for improving mass transfer of absorption tower Technical Field The invention relates to the technical field of carbon dioxide absorption fillers, in particular to a novel diamond-arranged filler for improving mass transfer of an absorption tower. Background The existing absorption tower packing (such as Raschig ring, pall ring and regular corrugated packing) has the problems of low mass transfer efficiency, high pressure drop, uneven gas-liquid distribution and the like, so that the problems of low carbon capturing efficiency, high energy consumption and the like are caused. The specific surface area and fluid distribution of conventional packing materials are difficult to meet efficient mass transfer requirements, especially when handling high concentrations of carbon dioxide gas. Therefore, the development of a novel absorption tower packing has important practical significance. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. In order to achieve the above purpose, the invention provides a novel diamond-arranged packing for improving mass transfer of an absorption tower, which comprises a plurality of packing units, wherein each packing unit is a hollow prismatic dodecahedron, and each surface of each packing unit is provided with a hexagonal micro groove; The packing units are arranged side by side to form packing layers, the packing layers are provided with a plurality of layers of packing bodies which are arranged in a diamond arrangement mode, and the packing layers are stacked in a staggered mode. The invention forms a stable three-dimensional structure by changing the filler structure, improves the mass transfer efficiency, and can enhance the updating of interfaces by generating local vortex at the edge angle of each filler unit when the gas-liquid two-phase flows through the diamond arranged filler body. Optionally, each side length range of the packing unit is set to be 10-30 mm, and each wall thickness range is set to be 0.3-1.0 mm. Further, a hydrophilic coating is arranged outside each filler unit. Further, the specific surface area of the diamond-arranged filler body is 650。 Further, the pressure drop of the diamond-arranged filler body is 80-100 Pa/m. Further, the mass transfer coefficient of the diamond arranged filler body is 0.15-0.18。 Further, the spacing between adjacent filler layers is 50-80mm. Further, the porosity of the diamond arranged filler body was 92%. Further, each of the packing units is provided as a stainless steel member. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention. Drawings The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a schematic diagram of a packing unit structure of a novel packing of diamond alignment for improved mass transfer in an absorber column according to the present invention; FIG. 2 is a schematic top plan view arrangement of each packing layer of a diamond arranged novel packing for improved mass transfer in an absorber column in accordance with the present invention; FIG. 3 is a schematic side view of a staggered stack of multiple packing layers of a novel packing of diamond alignment for improved mass transfer in an absorber column in accordance with the present invention; FIG. 4 is a schematic diagram showing a stacked structure of diamond-aligned packing bodies of a diamond-aligned novel packing for improving mass transfer in an absorber column according to the present invention. Reference numerals illustrate: 1. The device comprises a packing unit, a packing layer, an absorption tower and a hexagonal micro-groove. Detailed Description Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention. The present invention proposes a novel packing of diamond alignment for improving mass transfer in an absorber, which is described in detail below with reference to fig. 1 to 4. The novel diamond-arranged packing for improving mass transfer of the absorption tower comprises a plurality of packing units 1, wherein each packing unit 1 is a hollow prismatic dodecahedron, and each surface of each packing unit 1 is provided with a hexagonal micro groove 4; The packing units 1 are arranged side by side to form a packing layer 2, a plu