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CN-224207735-U - High-efficient acetonitrile absorbing device

CN224207735UCN 224207735 UCN224207735 UCN 224207735UCN-224207735-U

Abstract

The utility model discloses a high-efficiency acetonitrile absorbing device, which comprises a packing assembly, wherein the packing assembly comprises a top seat, a base and a plurality of packing layers arranged between the top seat and the base, the packing layers are reciprocally folded and arranged to form a Z-shaped continuous lamination structure, the top seat and the base relatively move to control the packing layers to be switched between a flattened state and a folded state, and the packing layers are silk screen layers. When the packing layers are required to be cleaned, the packing layers can be flattened, the interval between the packing layers is increased, the surface area of the packing layers is increased, the spraying amount of water is increased, the packing layers can be cleaned, and therefore the acetonitrile absorption effect of the absorption device is improved.

Inventors

  • YU XINNAN
  • QI FEI
  • ZHU XIAOGANG
  • ZHOU XINJIAN

Assignees

  • 南通醋酸化工股份有限公司
  • 南通立洋化学有限公司

Dates

Publication Date
20260508
Application Date
20250509

Claims (10)

  1. 1. The utility model provides a high-efficient acetonitrile absorbing device, includes packing subassembly (5), its characterized in that: The packing assembly (5) comprises a top seat (501), a base (502) and a plurality of packing layers (504) arranged between the top seat and the base, wherein the packing layers (504) are arranged in a reciprocating folding mode to form a Z-shaped continuous lamination structure, the top seat (501) and the base (502) move relatively to control the packing layers (504) to switch between a flattening state and a folding state, and the packing layers (504) are silk screen layers.
  2. 2. The efficient acetonitrile absorbing device according to claim 1, characterized in that the base (502) and the footstock (501) are both arranged inside the box body (1), a liquid outlet (102) and an air inlet (101) are arranged at the bottom of the box body (1), the top of the box body (1) is arranged in an open manner, a top cover (2) is arranged in a sealing manner, the top cover (2) is provided with an air outlet (201), a spraying mechanism (6) and a lifting mechanism (3), and the lifting mechanism (3) is in transmission connection with the footstock (501).
  3. 3. An efficient acetonitrile absorbing apparatus as claimed in claim 1, characterized in that said top base (501) is a porous plate arranged horizontally, and said base (502) is a mesh plate arranged horizontally.
  4. 4. The efficient acetonitrile absorbing device according to claim 2, wherein the top and bottom of the packing layer (504) are provided with frame strips (5041), and two frame strips (5041) are detachably connected with the top base (501) and the bottom base (502), respectively.
  5. 5. The efficient acetonitrile absorbing device as set forth in claim 4, wherein a plurality of elastic supporting bars (5042) are provided between two of the frame bars (5041), the supporting bars (5042) have a zigzag continuous laminated structure matched with the filler layer (504), the supporting bars (5042) are distributed on the filler layer (504), and the supporting bars (5042) are arranged at intervals along the extending direction of the frame bars (5041).
  6. 6. The efficient acetonitrile absorbing device according to claim 5, wherein the supporting bar (5042) is provided with a waist-shaped groove (5043), the waist-shaped groove (5043) sequentially penetrates through each layer of supporting bar (5042) along the vertical direction, a guide pillar (503) which is vertically distributed is penetrated in the waist-shaped groove (5043), the bottom end of the guide pillar (503) is fixedly connected with the base (502), and the top base (501) is provided with a guide sleeve which is in sliding fit with the guide pillar (503).
  7. 7. The efficient acetonitrile absorbing device according to claim 6, wherein the top cover (2) is provided with a limit sleeve (202), and the top end of the guide post (503) is in plug-in fit with the limit sleeve (202).
  8. 8. The efficient acetonitrile absorbing apparatus as set forth in claim 2, wherein the lifting mechanism (3) includes a hoist (301) fixedly connected to the top cover (2), the hoist (301) being connected to the top base (501) through a cable (302).
  9. 9. The efficient acetonitrile absorbing device according to claim 2, characterized in that the bottom of the tank body (1) is of a conical structure, and the liquid drain port (102) is provided with a filter tank (4).
  10. 10. The efficient acetonitrile absorbing device according to claim 2, wherein the spraying mechanism (6) comprises spraying pipes uniformly distributed on the inner side of the top cover (2), and spraying heads are uniformly distributed on the spraying pipes at intervals along the extending direction of the spraying pipes.

Description

High-efficient acetonitrile absorbing device Technical Field The utility model belongs to the technical field of absorption devices, and particularly relates to a high-efficiency acetonitrile absorption device. Background Acetonitrile is a toxic organic compound, and if discharged directly into the atmosphere, it can cause serious pollution to the environment, and endanger ecological balance and human health. The acetonitrile-containing waste gas generated in the industrial production process can be treated through the acetonitrile absorption device, so that the concentration of acetonitrile in the waste gas is reduced, and the acetonitrile-containing waste gas is discharged after reaching the national specified discharge standard, thereby reducing the pollution to the environment. The common acetonitrile absorbing device comprises a spray absorbing tower, the filler is a key component for realizing gas-liquid mass transfer of the spray absorbing tower, and after long-term use, dirt, impurities or crystals can be accumulated on the surface of the filler, and the substances can obstruct the sufficient contact between gas and liquid on the surface of the filler, so that the mass transfer efficiency is reduced, and the absorption efficiency of acetonitrile is influenced. Therefore, there is a need for an improvement in the acetonitrile absorbing apparatus of the prior art. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides a high-efficiency acetonitrile absorbing device, which improves the acetonitrile absorbing efficiency of the absorbing device. In order to achieve the above purpose, the specific technical scheme of the efficient acetonitrile absorbing device of the utility model is as follows: The utility model provides a high-efficient acetonitrile absorbing device, includes the packing subassembly, the packing subassembly includes footstock, base and sets up a plurality of packing layers between the two, the reciprocal folding range formation zigzag of packing layer is continuous to be stacked up the structure, the footstock with the base relative movement is used for control the packing layer switches between flattening state and folding state, the packing layer is the silk screen layer. Preferably, the base with the footstock all sets up inside the box, the bottom half is provided with leakage fluid dram and air inlet, the open setting in box top, and sealed being provided with the top cap, the top cap is provided with gas vent, spraying mechanism and elevating system, elevating system with the footstock transmission is connected. Preferably, the top seat is a porous plate arranged horizontally, and the base is a grid plate arranged horizontally. Preferably, the top and the bottom of the packing layer are both provided with frame strips, and the two frame strips are respectively detachably connected with the footstock and the base. Preferably, a plurality of elastic supporting bars are arranged between the two frame bars, each supporting bar is provided with a Z-shaped continuous lamination structure matched with the packing layer, the supporting bars are distributed on the packing layer, and each supporting bar is distributed at intervals along the extending direction of the frame bar. Preferably, the support bar is provided with a waist-shaped groove, the waist-shaped groove vertically penetrates through each layer of support bar in sequence, a guide pillar which is vertically distributed is arranged in the waist-shaped groove in a penetrating mode, the bottom end of the guide pillar is fixedly connected with the base, and the top seat is provided with a guide sleeve which is in sliding fit with the guide pillar. Preferably, the top cover is provided with a limit sleeve, and the top end of the guide post is in plug-in fit with the limit sleeve. Preferably, the lifting mechanism comprises a winch fixedly connected with the top cover, and the winch is connected with the top seat through a cable. Preferably, the bottom of the box body is of a conical structure, and a filtering box is arranged at the liquid draining port. Preferably, the spraying mechanism comprises spraying pipes uniformly distributed on the inner side of the top cover, and spraying heads are uniformly distributed on the spraying pipes at intervals along the extending direction of the spraying pipes. The efficient acetonitrile absorbing device has the advantages that waste gas and water are contacted in the packing layers, so that the water absorbs acetonitrile in the waste gas to reduce the emission of acetonitrile, when the packing layers need to be cleaned, the packing layers can be flattened, the interval between the packing layers is increased, the surface area of the packing layers is increased, then the spraying amount of the water is increased, the cleaning of the packing layers can be realized, the acetonitrile absorbing effect of the absorbing device is improved, dirt, impu