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CN-122006652-A - Double-layer overlapping packing unit and packing tower

CN122006652ACN 122006652 ACN122006652 ACN 122006652ACN-122006652-A

Abstract

The invention relates to the technical field of chemical equipment, in particular to a double-layer overlapping packing unit which comprises a main body, a first grid layer, a second grid layer, a spacing cavity and a spacing cavity, wherein an accommodating cavity is formed in the main body, the first grid layer is arranged at the upper part of the accommodating cavity, a plurality of first polygonal channels are formed in the inner part of the accommodating cavity, the second grid layer is arranged in the accommodating cavity and is positioned below the first grid layer, a plurality of second polygonal channels are formed in the inner part of the accommodating cavity, the projection of each first polygonal channel in the vertical direction at least overlaps with the projection part of the plurality of second polygonal channels in the vertical direction, and the spacing cavity is arranged between the first grid layer and the second grid layer and has the height of 5-20 mm. The double-layer overlapping packing unit provided by the invention can effectively improve the mass transfer effect, can adapt to the requirements of different types of medicaments and different reaction conditions, and has good application value.

Inventors

  • MA ZEJI
  • Yan Jiangyou
  • Pan Changqiang
  • FU WEIYUAN
  • LAN QIAOHAI

Assignees

  • 福建瓮福蓝天氟化工有限公司

Dates

Publication Date
20260512
Application Date
20260312

Claims (10)

  1. 1. A double-layered, inter-stacked packing unit, comprising: A main body (11) having an accommodating chamber (111) inside; The first grid layer (12) is arranged at the upper part of the accommodating cavity (111), and a plurality of first polygonal channels (121) are formed in the first grid layer; the second grid layer (13) is arranged in the accommodating cavity (111) and positioned below the first grid layer (12), and a plurality of second polygonal channels (131) are formed in the second grid layer; The spacing cavity is arranged between the first grid layer (12) and the second grid layer (13), and the height of the spacing cavity is 5-20 mm.
  2. 2. The double-layer overlapping packing unit according to claim 1, further comprising an adjusting component (14), wherein lifting channels (112) are arranged at intervals on the outer edges of the accommodating cavities (111), the adjusting component (14) is embedded in the lifting channels (112) corresponding to the interval cavities, first supporting blocks (122) and second supporting blocks (132) are arranged on the first grid layer (12) and the second grid layer (13) corresponding to the lifting channels (112), the first supporting blocks (122) and the second supporting blocks (132) extend into the lifting channels (112) and are connected with the adjusting component (14), and the adjusting component (14) is used for enabling the first grid layer (12) and the second grid layer (13) to be close to or far away from each other.
  3. 3. The double-layer overlapping packing unit of claim 2, wherein the adjusting assembly (14) comprises a bidirectional screw rod (141), a first screw rod pair, a second screw rod pair and a driving worm (142), a transmission worm wheel is arranged in the middle of the bidirectional screw rod (141), the transmission worm wheel is in driving connection with the driving worm (142), the movable end of the driving worm (142) extends to the outer side of the main body (11), the first screw rod pair and the second screw rod pair are respectively connected with the first supporting block (122) and the second supporting block (132), threads with different rotation directions are respectively arranged at two ends of the bidirectional screw rod (141), and the bidirectional screw rod (141) is respectively in driving connection with the first screw rod pair and the second screw rod pair.
  4. 4. The double-layer overlapping packing unit of claim 3, wherein the adjusting assembly (14) further comprises a synchronizing wheel (143) and a synchronizing gear ring (144), the synchronizing wheel (143) is arranged at one end of the driving worm (142) far away from the bidirectional screw rod (141), and all the synchronizing wheels (143) are simultaneously connected with the synchronizing gear ring (144) in a transmission manner.
  5. 5. The double-layer overlapping packing unit of claim 4, wherein the synchronous gear ring (144) is sleeved on the outer edge of the main body (11), and the main body (11) is sleeved with a protective cover corresponding to the synchronous gear ring (144).
  6. 6. The double-layered overlapping packing unit of claim 3, wherein the adjusting assembly (14) further comprises a support frame rod (145), the support frame rod (145) is arranged on the inner wall of the lifting channel (112), a rotating column (146) is arranged on the support frame rod (145), and the rotating column (146) is embedded into the driving end of the driving worm (142) and is rotatably connected with the driving worm (142).
  7. 7. The double-layer overlapping filler unit according to claim 2, wherein the outer walls of the first grid layer (12) and the second grid layer (13) can seal one side of the lifting channel (112) close to the accommodating cavity (111) at any relative position.
  8. 8. The double-layer overlapping packing unit according to claim 1, wherein the top of the main body (11) is provided with a jogged annular wall (113), and the bottom of the main body (11) is provided with a jogged annular groove (114) corresponding to the jogged annular wall (113).
  9. 9. The double-layered mutually overlapping filler unit according to claim 1, characterized in that the first polygonal channel (121) and the second polygonal channel (131) are of regular hexagonal unit structures, and the regular hexagonal unit structures of the first polygonal channel (121) and the second polygonal channel (131) are rotated relatively or are staggered with each other.
  10. 10. A packing tower adopts the double-layer mutually-stacked packing unit (1) as claimed in any one of claims 1-9, and is characterized in that the double-layer mutually-stacked packing units (1) are stacked to form packing columns (21), and spacing pore plates (22) are correspondingly arranged on the upper side and the lower side of the packing columns (21).

Description

Double-layer overlapping packing unit and packing tower Technical Field The invention relates to the technical field of chemical equipment, in particular to a double-layer overlapping packing unit and a packing tower. Background The packing tower is a common separation device in chemical production, is widely applied to unit operations such as rectification, absorption, extraction and the like, and has the core function of realizing full contact and mass transfer of gas-liquid two phases through the matching of packing and internal parts. The traditional filling tower internals mostly adopt single-layer grids, sieve plates or corrugated structures, and are made of metal, ceramic or common plastics. However, under severe working conditions such as strong acid, strong alkali, high temperature and the like, the metal material is easy to corrode, the ceramic material is fragile, the common plastic is poor in high temperature resistance, so that the service life of the internal part is short, the maintenance cost is high, and meanwhile, the problems of uneven gas-liquid contact, low mass transfer efficiency, easy occurrence of channeling or backmixing phenomenon and the like exist in the internal part with a single-layer structure, so that the separation effect and the production efficiency of the packed tower are influenced. The existing double-layer packing can improve mass transfer efficiency, but is fixed in integral structure, cannot be adjusted according to the viscosity, working pressure and required mass transfer efficiency of different materials, cannot adapt to different materials and different working conditions, and is poor in adjustability. Disclosure of Invention The invention aims to solve the technical problems of insufficient adjustability of the existing packing and insufficient separation effect and production efficiency of the packing tower by providing a double-layer overlapping packing unit and a packing tower. In order to solve the technical problems, the invention adopts the technical scheme that the double-layer overlapping filler unit comprises: A main body, the inside of which is provided with an accommodating cavity; The first grid layer is arranged at the upper part of the accommodating cavity and internally provided with a plurality of first polygonal channels; The second grid layer is arranged in the accommodating cavity and positioned below the first grid layer, and a plurality of second polygonal channels are arranged in the second grid layer; The spacing cavity is arranged between the first grid layer and the second grid layer, and the height of the spacing cavity is 5-20 mm. In an embodiment, the device further comprises an adjusting component, the outer edge of the accommodating cavity is provided with lifting channels at intervals, the adjusting component is embedded in the lifting channels corresponding to the spaced cavities, the lifting channels corresponding to the first grid layer and the second grid layer are provided with a first supporting block and a second supporting block, the first supporting block and the second supporting block extend into the lifting channels and are connected with the adjusting component, and the adjusting component is used for enabling the first grid layer and the second grid layer to be close to or far away from each other. In one embodiment, the adjusting assembly comprises a bidirectional screw rod, a first screw rod pair, a second screw rod pair and a driving worm, wherein a transmission worm wheel is arranged in the middle of the bidirectional screw rod and is in driving connection with the driving worm, the movable end of the driving worm extends to the outer side of the main body, the first screw rod pair and the second screw rod pair are respectively connected with a first supporting block and a second supporting block, threads with different rotation directions are respectively arranged at two ends of the bidirectional screw rod, and the bidirectional screw rod is respectively in driving connection with the first screw rod pair and the second screw rod pair. In an embodiment, the adjusting assembly further comprises a synchronizing wheel and a synchronizing gear ring, wherein the synchronizing wheel is arranged at one end of the driving worm far away from the bidirectional screw rod, and all the synchronizing wheels are in transmission connection with the synchronizing gear ring at the same time. In one embodiment, the synchronizing gear ring is sleeved on the outer edge of the main body, and the main body is provided with a protecting cover corresponding to the synchronizing gear ring. In an embodiment, the adjusting assembly further comprises a support frame rod arranged on the inner wall of the lifting channel, a rotating column is arranged on the support frame rod, and the rotating column is embedded into the driving end of the driving worm and is rotatably connected with the driving worm. In an embodiment, the outer walls of the