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Sulfur dioxide enriched gas purification system and method for preparing sulfur by gas purification

A gas purification system and sulfur dioxide technology, applied in chemical instruments and methods, separation methods, preparation/purification of sulfur, etc., can solve the problems of no recycling of intermediate products, poor purification effect, high cost, etc., and achieve good waste gas treatment effect , simple structure and low cost

Inactive Publication Date: 2014-01-29
北京诺曼斯佰环保科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The gas purification system in the prior art is rarely designed for sulfur dioxide-rich gas, and the purification effect is not good, there is no good recycling of intermediate products, the cost is high, and it also causes pollution

Method used

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  • Sulfur dioxide enriched gas purification system and method for preparing sulfur by gas purification

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 1 As shown, the sulfur dioxide-rich gas purification system of the present invention includes a first blower 20, a fluidized reaction furnace 1, a cooling device, a gas-liquid separator 2, a desulfurization and dust removal device, and an exhaust port 5 connected in sequence through pipelines. A first induced draft fan 6 is connected between the gas-liquid separator 2 and the desulfurization and dust removal device, and a second induced draft fan 7 is connected between the desulfurization and dust removal device and the exhaust port; the fluidized fluidized reaction furnace 1 is provided with The orifice 10 divides the fluidized fluidized reaction furnace 1 into upper and lower parts. The upper part communicates with the outside through the slag outlet 9 and is connected with the feeding pipe 22; the lower part communicates with the waste gas through the waste gas inlet 8 and connects with the all The first air blower 20 is connected; the fluidized reacto...

Embodiment 2

[0023] On the basis of Embodiment 1, the purification system of the present invention also includes a boiling type purification tower 11, the gas inlet end of which is connected to the gas outlet end of the gas-liquid separator 2, and the gas outlet end is connected to the inlet of the desulfurization and dust removal device. The gas port ends are connected, and the described boiling type purification tower is arranged in parallel with the first induced draft fan 6; the gas inlet end of the described boiling type purification tower 11 is connected with a second air blower 12 and a first valve 13, and the first induced draft fan The air inlet end of blower blower 6 is connected with second valve 14, and the pipeline between described second blower 12 and first valve 13 is communicated with ammonia gas input pipeline 21; Separated into upper and lower parts, the upper part is connected to the fluidized reaction furnace 1 through the reaction product outlet 15 and the transportati...

Embodiment 3

[0026] A method for purifying sulfur dioxide-rich gas to produce sulfur, which adopts the system described in Embodiment 2, and opens the second valve 14 to communicate with the pipeline where it is located, closes the first valve 13 to disconnect the pipeline where it is located, Described preparation method specifically comprises the following steps:

[0027] After adding carbonaceous materials into the fluidized reaction furnace 1 through the feeding pipe 22, feed rich SO 2 At the same time, the first blower 20 passes air into it, heats up to 600-800°C and reacts for 2-15 minutes, and the formed sulfur-containing gas is cooled to 160-220°C by the cooling device and enters the gas-liquid separator 2 for separation and recovery. The liquid sulfur is used to prepare sulfur, and the separated gas is sequentially introduced into the bag filter 3 and the activated coke flue gas tower 4 by the first induced draft fan 6 for desulfurization and dust removal treatment, and then disch...

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Abstract

The invention discloses a sulfur dioxide enriched gas purification system. The sulfur dioxide enriched gas purification system comprises a first air blower (20), a boiling type reaction furnace (1), a cooling device, a gas-liquid separator (2), a sulfur-removing and dust-removing device and an exhausting opening (5) which are connected in sequence by a pipeline, wherein a first draught fan (6) is connected between the gas-liquid separator (2) and the sulfur-removing and dust-removing device; a second draught fan (7) is connected between the sulfur-removing and dust-removing device and the exhausting opening; the boiling type reaction furnace (1) is provided with a pore plate (10) to divide the boiling type reaction furnace (1) into upper and lower parts; the upper part of the boiling type reaction furnace (1) is communicated with the outer part by a dreg discharging opening (9) and the lower part of the boiling type reaction furnace (1) is communicated with waste gas by a waste gas inlet (8); the boiling type reaction furnace (1) contains a carbon-containing material. The sulfur dioxide enriched gas purification system is simple in structure, good in waste gas treatment effect and low in cost, and can be widely applied to production; the sulfur dioxide enriched gas purification system is environment-friendly and energy-saving, and can also have a good gas purification effect.

Description

technical field [0001] The invention relates to a gas purification system, in particular to a sulfur dioxide-rich gas purification system and a method for producing sulfur by gas purification. Background technique [0002] The gas purification systems in the prior art are seldom designed for sulfur dioxide-rich gas, and the purification effect is not good, there is no good recycling of intermediate products, the cost is high, and pollution is caused. Nowadays, with the advancement of science and technology, more and more attention is paid to the protection of the environment and the application of energy-saving technologies. There is an urgent need for a gas purification system that can be widely used in production, which is both environmentally friendly and energy-saving, and can also have a good purification effect. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a gas purification system with simple structure,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/83B01D53/50B01D53/75C01B17/04
CPCY02P20/10
Inventor 邹炎
Owner 北京诺曼斯佰环保科技有限公司