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High-temperature under-pressure high-efficiency cyclone separator

A cyclone separator, high temperature and pressure technology, applied in the direction of the cyclone device, the device whose axial direction of the cyclone can be reversed, etc., can solve the problems of the volume, the total weight and the increase of the manufacturing cost of the cyclone separator, and achieve the reduction or Elimination of secondary eddy current, symmetrical and uniform internal flow field, and high separation efficiency

Pending Publication Date: 2019-01-01
上海卓旋化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This design scheme maximizes the efficiency of the conventional cyclone separator, and solves the problems of pressure bearing and temperature resistance, but the disadvantages are also obvious: the volume, total weight and manufacturing cost of the cyclone separator are doubled. increase

Method used

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  • High-temperature under-pressure high-efficiency cyclone separator
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  • High-temperature under-pressure high-efficiency cyclone separator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] A hydrogenation unit producing polysilicon in Henan needs to be equipped with a high-temperature and pressurized cyclone separator, and its design operating state handles gas volume Q=2967m 3 / h, working temperature T=500℃~550℃, working pressure P=2.5MPa~3.0MPa (gauge pressure), the original device adopts a cyclone separator designed by a large domestic design institute, but the effect is poor. After adopting the high-temperature pressurized high-efficiency cyclone separator of the present invention, the amount of pulp and residue in the subsequent washing tower is reduced by about 55% per month, and a very satisfactory effect is obtained.

[0066] The high-temperature pressurized high-efficiency cyclone separator in this embodiment includes an outer cylinder body 2, a first seal head 3, an inner cylinder body 4, an exhaust port 5, a middle cylinder body 6, a second seal head 7, a third seal head 8, Volute outlet 9, cyclone 14, air inlet 1, cone 18, middle ash hopper 20...

Embodiment 2

[0081] An organosilicon monomer unit in Zhenjiang, Jiangsu needs to be equipped with a high-temperature pressurized cyclone separator, and its design operating state handles gas volume Q=5928m 3 / h, working temperature T=280℃~300℃, working pressure P=0.3MPa~0.35MPa (gauge pressure), the original device adopts a cyclone separator designed by a domestic university, but the effect is poor. After adopting the high-temperature pressurized high-efficiency cyclone separator of the present invention, the amount of pulp and residue in the subsequent washing tower is reduced by about 75% per month, and a very satisfactory effect is obtained.

[0082] The high-temperature pressurized high-efficiency cyclone separator in this embodiment includes an outer cylinder body 2, a first seal head 3, an inner cylinder body 4, an exhaust port 5, a middle cylinder body 6, a second seal head 7, a third seal head 8, Volute outlet 9, cyclone 14, air inlet 1, cone 18, middle ash hopper 20 and ash discha...

Embodiment 3

[0097] Buell Corporation of the United States is a well-known cyclone separator design manufacturer, and its representative product is B-type cyclone separator. Refer to the representative test dust proposed by the International Conference on Purifying Air—Talc powder with an average particle size of 11.3 μm and a concentration of 10g / Nm 3 , under the same condition that the diameter of the cyclone separator is given as Φ830mm, the main performance comparison test of the high-temperature pressurized high-efficiency cyclone separator of this embodiment and the B-type cyclone separator in the cold laboratory are carried out, and the experimental devices and methods are completely compared. Refer to the relevant description in "Experimental Research on the Separation Performance of Oil Shale Cyclone Separator" in "Petroleum Refining and Chemical Industry", Volume 42, Issue 10, 2011.

[0098] The high-temperature pressurized high-efficiency cyclone separator in this embodiment inc...

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Abstract

The invention provides a high-temperature under-pressure high-efficiency cyclone separator, wherein an exhaust port is formed at the upper end of an inner barrel; a first seal head is arranged at theupper end of an outer barrel; a second seal head and a third seal head are respectively arranged at the upper end and the lower end of a middle barrel; the lower part of the middle barrel is positioned in the outer barrel; at least one volute outlet is formed on the lateral surface of the lower part of the middle barrel; the outer lateral surface of each volute outlet is pressed against the innerwall of the outer barrel; the first seal head is inserted at the upper part of the middle barrel and is exposed out; a gas inlet is formed on the lateral surface of the upper part of the middle barreland disposed along the radial direction of the middle barrel; the second seal head and the third seal head are inserted in the inner barrel; the upper end of the inner barrel is exposed out; the lower end of the inner barrel is positioned in the outer barrel. According to the invention, particles can be separated from high-temperature under-pressure gas; separation efficiency is high; the high-temperature under-pressure high-efficiency cyclone separator can efficiently, safely and stably operate for a long period under the severe working conditions of high-temperature under-pressure high corrosion, high abrasion and the like, and is ingenious in design, unique and novel in structure, simple and convenient to manufacture and low in cost.

Description

technical field [0001] The invention relates to the technical field of separation devices, in particular to the technical field of cyclone separators, in particular to a high-temperature pressurized high-efficiency cyclone separator. Background technique [0002] Separation of particles from high-temperature pressurized gas is an important chemical unit operation in the production process of petroleum, chemical industry and coal gasification, which belongs to the field of chemical engineering heterogeneous phase separation, such as: crude gas synthesized by HYGAS multi-stage fluidized bed gasifier The pressure is as high as 8.5MPa, and the inlet temperature of the cyclone separator is 1100°C. It is necessary to purify the high-temperature and pressurized crude gas to remove a large amount of coal powder particles to meet the process requirements; another example: coal pressurized fluidized combustion combined cycle ( PFBC-CC) and integrated coal gasification combined cycle (...

Claims

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Application Information

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IPC IPC(8): B04C5/08B04C5/00
CPCB04C5/00B04C5/08
Inventor 黄晓卫马双黄晓军孟祥林王景花黄毅忱劳家仁夏兴祥张丽
Owner 上海卓旋化工科技有限公司
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