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Mist catcher for gas-liquid separation

A gas-liquid separation and mist trap technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problem of secondary carryover of droplets, reduce secondary carryover, improve collection effect, and reduce fragmentation the effect of the situation

Inactive Publication Date: 2020-11-13
陈刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the use of the existing mist catcher proposed in the background technology, the present invention provides a mist catcher for gas-liquid separation, which has the functions of timely collecting the liquid droplets on the wall, accelerating the movement of the liquid droplets to the folding plate and collecting The advantages of liquid droplets solve the problem that the liquid droplets are easily carried by the airflow twice in the above-mentioned background technology

Method used

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  • Mist catcher for gas-liquid separation
  • Mist catcher for gas-liquid separation
  • Mist catcher for gas-liquid separation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment one: refer to Figure 8 , a mist catcher for gas-liquid separation, comprising an outer cover 10, the inside of the outer cover 10 is provided with a folded plate 11, in this scheme, the folded plate 11 is installed in a horizontal direction, and the outer wall of the outer cover 10 is provided with an air inlet 13, and the air intake The number of ports 13 is two and located at both ends of the outer cover 10 respectively. The gas-liquid mixture enters from the two air inlets 13 respectively, which effectively improves the separation efficiency. The flap 11 divides the inner cavity of the outer cover 10 into multiple air cavities A one-way communication pipe 12 is connected between two adjacent air chambers, and the one-way communication pipe 12 can only transport gas from bottom to top. At the same time, the two oppositely flowing gas-liquid mixtures also collide, which not only reduces the flow velocity of the gas-liquid mixture, but also the divergent gas...

Embodiment 2

[0031] Embodiment 2: The difference from Embodiment 1 is that the positive plate 1 with holes originally opened at the uppermost end of the fixing plate 4 is formed by combining the positive plate 1 and the baffle plate 9; refer to Figure 4-6 , both sides of the baffle plate 9 are provided with a positive plate 1, the baffle plate 9 and the positive plate 1 are seamlessly connected, the surface of the positive plate 1 bends toward the direction of the baffle plate 9, and the positive plate 1 is arranged on both sides of the baffle plate 9. A hole is opened on the baffle 9, and the bottom surface of the baffle 9 is connected to the capillary 5. The positive plate 1 is used to form an electric field with the negative plate 2 on the other folded plate 11, and attract negatively charged droplets to move, and the droplets move to the positive plate 1 When the surface is on the surface, it slides inwardly and gathers on the baffle plate 9, and then collects the liquid through the ca...

Embodiment 3

[0032] Embodiment 3: Different from Embodiment 1, the positive plate 1 is located inside the solid plate 4, and the positive plate 1 that is directly in contact with the gas-liquid mixture is replaced by a baffle 9; the zero potential conductor 6 is located at the port and does not penetrate The inside of the whole liquid chamber 8 avoids affecting the electric field lines obtained by the negative plate 2; refer to Figure 7 , the positive plate 1 is located inside the solid plate 4, the positive plate 1 and the negative plate 2 are respectively located on both sides of the insulator 7, the baffle plate 9 and the negative plate 2 are respectively located at the upper and lower ends of the solid plate 4, and the liquid chamber 8 is formed by the positive plate 1. In the space enclosed by the solid plate 4 and the baffle 9, the zero-potential conductor 6 is located at the liquid hole 401 of the solid plate 4 for liquid outlet; in this scheme, the baffle 9 needs to be made of a ma...

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Abstract

The invention relates to the technical field of gas-liquid separation, and discloses a mist catcher for gas-liquid separation. The mist catcher comprises an outer cover, a folded plate is arranged inthe outer cover, an air inlet is formed in the outer wall of the outer cover, the folded plate comprises a fixed plate, and a positive plate and a negative plate are respectively arranged at the upperend and the lower end in the fixed plate. A capillary tube is matched with a liquid in a liquid cavity to form a capillary tube phenomenon, so that the liquid flowing to the orifice of the capillarytube is quickly collected, the residence time of liquid drops on the folded plate is shortened, and the quantity of the liquid drops, which are in contact with airflow and attached to the wall is reduced. In addition, low-temperature cooling liquid is introduced into the liquid cavity; the temperature of wall-attached liquid drops can be effectively reduced, the moving speed between molecules in the liquid drops is reduced, the tension between the molecules and the adhesive force between the molecules of the liquid drops and the wall of the folded plate are increased, the pushing and carryingeffects of airflow on liquid can be reduced, and the situation that flowing gas carries the wall-attached liquid for the second time is reduced.

Description

technical field [0001] The invention relates to the technical field of gas-liquid separation, in particular to a mist catcher for gas-liquid separation. Background technique [0002] The gas-liquid separator can be installed at the inlet and outlet of the gas compressor for gas-liquid separation, gas-phase demisting after the condensation cooler on the top of the fractionation tower, gas-phase demisting of various gas washing towers, absorption towers and analytical towers, etc. The gas-liquid separator can also be used in various industrial and civil occasions such as gas dust removal, oil-water separation and liquid removal of impurities. The mist catcher is installed at the gas outlet of the gas-liquid separator. The mist catcher and separation part uses the principles of collision, centrifugation, and coalescence to remove the liquid droplets with a diameter of 150-500 microns still carried in the separated gas. The separator There are different types of mist catchers c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
CPCB01D50/00
Inventor 陈刚
Owner 陈刚
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