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Improved multistage dual cyclone dust and mist eliminator

A technology of mist eliminator and dust remover, which is applied in the field of flue gas purification, can solve the problems such as the decline of dust removal effect, achieve the effect of improving dust removal effect, reducing fog droplet escape, and strengthening the effect of preventing fog droplet escape

Active Publication Date: 2016-03-16
BEIJING ZHONGNENG NUOTAI ENERGY SAVING & ENVIRONMENTAL PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical engineering applications, due to the open structure of the last stage cyclone, the mist droplets adsorbed on the surface of the cyclone will partly escape the cyclone and enter the flue gas driven by the rotating flue gas in the cyclone, resulting in a decline in the dust removal effect

Method used

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  • Improved multistage dual cyclone dust and mist eliminator
  • Improved multistage dual cyclone dust and mist eliminator
  • Improved multistage dual cyclone dust and mist eliminator

Examples

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Effect test

Embodiment 1

[0026] Such as figure 1 , figure 2 , Figure 4 , Figure 5 As shown, the present invention provides an improved multi-stage double-cyclone dedusting and mist eliminator. The demister and dedusting device 100 includes several double-cyclones arranged inside the outer cyclone cylinder 6, and the double-cyclones include an inner cyclone cylinder 5 , the inside of the inner cyclone 5 is provided with a blind cylinder 4, the inside of the blind cylinder 4 is provided with a flushing water pipe 1, the outer side of the inner cyclone 5 is provided with an outer cyclone blade 2, and the outside of the blind cylinder 4 is provided with an inner cyclone Blades 3, the inside of the inner cyclone 5 is provided with a first flushing nozzle 7 on the flushing water pipe 1, and a second flushing nozzle 8 is provided on the flushing water pipe 1 outside the inner cyclone 5, and the double cyclone is A plurality of multi-stage double cyclones that are connected in series up and down, the in...

Embodiment 2

[0036] Such as image 3 As shown, the bottom surface of the first conical ring 9 is connected with a first circular ring 15, and the diameter of the first circular ring 15 is the same as the diameter of the bottom surface of the first conical ring 9; the bottom surface of the second conical ring 10 A second circular ring is connected, the diameter of the second circular ring is the same as the diameter of the bottom surface of the second conical ring 10, and the axis of the first circular ring 15 and the axis of the second circular ring are on the same straight line.

[0037] The height of the first circular ring 15 is 3mm-5mm, and the height of the second circular ring is 2mm-3mm.

[0038] Other than that, other structures are the same as those in Embodiment 1.

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Abstract

Belonging to the technical field of flue gas purification, the invention in particular relates to an improved multistage dual cyclone dust and mist eliminator, which includes a plurality of dual cyclone devices. Each dual cyclone device comprises an inner cyclone cylinder, the inner cyclone cylinder is internally provided with a blind cylinder, the blind cylinder is internally provided with a flushing water pipe, the inner cyclone cylinder is externally provided with outer cyclone blades, the blind cylinder is externally provided with inner cyclone blades, the plurality of dual cyclone devices are multistage dual cyclone devices connected in series vertically, the inner surface of the outer cyclone cylinder is provided with first mist drop escape proof devices over each dual cyclone device, and the upper part of the inner cyclone cylinder inner surface is equipped with a second mist drop escape proof device. The first mist drop escape proof devices and the second mist drop escape proof device are all in the shape of a conical ring with big top and small bottom. The conical ring shaped mist drop escape proof devices are convenient for formation of liquid films in the cyclone cylinders, thus reducing mist drop escape and improving the dust removal effect.

Description

technical field [0001] The invention belongs to the technical field of flue gas purification, and in particular relates to an improved multi-stage double-cyclone dust and mist eliminator. Background technique [0002] Chinese Patent No. 201520197916.0 discloses a multi-stage double-cyclone demister and dust collector and a desulfurization absorption tower containing a multi-stage double-cyclone demist and dust collector. The main principle is: using the kinetic energy of the flue gas in the absorption tower, when the flue gas passes through the cyclone, a gas-liquid collision occurs between the blades of the cyclone and the wall of the cyclone cylinder to make the fine liquid droplets, fine dust particles, aerosols, etc. in the flue gas The tiny particles collide with each other and agglomerate to form large droplets, which are then captured by the liquid film on the surface of the cyclone to achieve the purification purpose of removing tiny particles. In practical engineer...

Claims

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Application Information

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IPC IPC(8): B01D50/00
CPCB01D50/40
Inventor 赵云才王亮吴明来
Owner BEIJING ZHONGNENG NUOTAI ENERGY SAVING & ENVIRONMENTAL PROTECTION CO LTD
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