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Liquid flash separator

A distributor, gas-liquid distribution technology, applied in the direction of flash evaporation, evaporator accessories, etc., to achieve the effect of reducing impact damage, low resistance, and small impact damage

Active Publication Date: 2014-05-14
TOWERSMASTER NANJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But CN1273875A is only suitable for the situation that the absorption liquid enters the flasher in the tower from the outside of the tower top, and does not relate to the situation that the absorption liquid enters the flasher at the top of the tower from the bottom up through the center pipe in the tower

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: CO with built-in liquid delivery pipe and heating device 2 Absorption rich liquid regeneration tower, flash section diameter 8000mm, CO 2The feed rate of absorbing rich liquid is 3050m3 / h, the feed pressure is 0.8MPa, the temperature is 115°C, the diameter of the built-in liquid inlet pipe 13 is 800mm, and the operating pressure at the top of the tower is 0.1MPa. Adopt the liquid flash distributor of the present invention, it has a gas-liquid distribution pipe 2 in the horizontal direction, and the gas-liquid distribution pipe 2 is a circular pipe with a diameter of 1000mm, and end plates 7 are arranged at both ends, and its length is the same as that of the flash tower It is fixed on the supports on both sides of the flash tower wall. At the bottom of the midpoint of its length, there is a round hole-shaped built-in liquid inlet pipe fitting port 1, and the built-in liquid inlet pipe 13 is matched with the built-in liquid inlet pipe. Port 1 extends into the...

Embodiment 2

[0025] Example 2: H with built-in liquid delivery pipe and heating device 2 S absorption rich liquid regeneration tower, flash section diameter 12000mm, H 2 S absorbs rich liquid feed volume 5794m3 / h, feed pressure 1.8MPa, temperature 90°C, built-in liquid inlet pipe 13 diameter 1200mm, tower top operating pressure 0.12MPa. Using the liquid flash distributor of the present invention, its structure is similar to that of Embodiment 1, the diameter of the gas-liquid distribution pipe is 1400 mm, the length of the rectangular gas-liquid diversion grooves on both sides is 4700 mm, and 10 gas-liquid guide plates are installed, each gas-liquid guide The flow plate is welded with 2 ribs, and the top of the gas-liquid distribution pipe has 4 circular exhaust holes of φ20. The dome is made of circular arc plates with a diameter of 2000mm and a length of 2810mm. The length of the anti-shock plate is 1190mm and the height is 70mm. The angle between it and the center line of the tower is ...

Embodiment 3

[0027] Example 3: CO with built-in liquid delivery pipe and heating device 2 Absorption rich liquid regeneration tower, flash section diameter 18000mm, CO 2 The feed volume of absorbing rich liquid is 15438m3 / h, the feed pressure is 0.75MPa, the temperature is 112°C, the diameter of the built-in liquid inlet pipe 13 is 1800mm, and the operating pressure at the top of the tower is 0.09MPa. Using the liquid flash distributor of the present invention, its structure is similar to that of Embodiment 1, the diameter of the gas-liquid distribution pipe is 2200 mm, the length of the rectangular gas-liquid diversion grooves on both sides is 7200 mm, and 14 gas-liquid guide plates are installed. The flow plate is welded with 3 ribs, and the top of the gas-liquid distribution pipe has 4 circular exhaust holes of φ30. The dome is made of circular arc plates with a diameter of 3000mm and a length of 3880mm. The length of the anti-shock plate is 1600mm and the height is 90mm. The angle bet...

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PUM

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Abstract

The invention provides a liquid flash separator, as shown in the attached figure. The liquid flash separator comprises a built-in feeding pipe coordinating port (1), a gas-liquid distributing pipe (2) and a buffering chamber (3), wherein the build-in feeding pipe coordinating port (1) is a circular hole formed in the bottom part of the center of the liquid flash separator and is used for connecting a built-in liquid inlet pipe (13) with the liquid flash separator in a joggling manner; the gas-liquid distributing pipe (2) is a horizontal pipe trough; a plurality of gas-liquid guide plates (9) are arranged in a rectangular gas-liquid guide trough (8); end plates (7) for sealing are arranged at two ends of the pipe trough; two ends of the pipe are fastened on support seats on two sides of the tower wall; flow guide ports are formed in the lower part, and every two adjacent flow guide ports are separated through a gas-liquid flow guide plate (9); and the buffer chamber (3) is an arched space in the middle part of the gas-liquid distributing pipe, directly facing the built-in liquid inlet pipe. With the adoption of the liquid flash separator, the impact of liquid to components in a tower can be effectively reduced, the flash effect is improved, and the liquid distribution uniformity can be improved.

Description

field of invention [0001] This invention relates to column separation internals, in particular to a liquid flash distributor. Background technique [0002] In industry, pressurized absorption is often used to remove one or more components in the gas, and then the rich liquid produced after absorption is decompressed and regenerated to remove the absorbed gas, so that the absorbed liquid can be regenerated into lean liquid for recycling. In the regeneration process of absorbing rich liquid, when the rich liquid enters the regeneration tower, the pressure drops from 1.0-2.5MPa to 0.1-0.15MPa. At this time, a large amount of water vapor and absorbed gas will flash off, thus forming a high-energy gas-liquid mixture. flow (transformed from pressure energy to kinetic energy), if this high-energy gas-liquid mixed flow cannot be well distributed in the tower, the energy contained in it will cause a huge impact on the regeneration tower equipment, especially the internal components, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/30B01D3/06
Inventor 罗华勋孟为民张锋张志炳
Owner TOWERSMASTER NANJING