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Alkali spraying system and operation method thereof

An operation method, alkali spraying technology, applied in separation methods, chemical instruments and methods, and dispersed particle separation, etc., can solve problems such as easy blockage, lime milk is difficult to dissolve in water, etc., improve absorption efficiency, prevent system blockage, The effect of reducing environmental pollution

Inactive Publication Date: 2016-03-16
宜宾海翔化工有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an alkali spray system and its operation method in order to solve the problem that milk of lime is insoluble in water and easy to block in alkali spray

Method used

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  • Alkali spraying system and operation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0036] An alkali spray system, comprising a spray tower, a flushing water tank, a high-pressure water pump, an alkali spray circulation pump and an agitator, the alkali liquor inlet of the spray tower is connected to the flushing water tank through a high-pressure water pipe, and the high-pressure water pump is arranged at a high pressure On the water pipe, an alkali spray circulating pump is arranged on the connecting pipe between the alkali liquor inlet and the alkali liquor outlet, and the blades of the agitator are arranged at the bottom of the spray tower.

Embodiment 2

[0038] An alkali spray system, comprising a spray tower, a flushing water tank, a high-pressure water pump, an alkali spray circulation pump and an agitator, the alkali liquor inlet of the spray tower is connected to the flushing water tank through a high-pressure water pipe, and the high-pressure water pump is arranged at a high pressure On the water pipe, an alkali spray circulating pump is arranged on the connecting pipe between the alkali liquor inlet and the alkali liquor outlet, and the blades of the agitator are arranged at the bottom of the spray tower.

[0039] The agitator is a double-layer three-blade back-swept agitator, the upper blades are arranged above the air inlet of the spray tower, and the lower blades are arranged below the air inlet of the spray tower.

Embodiment 3

[0041] An alkali spray system, comprising a spray tower, a flushing water tank, a high-pressure water pump, an alkali spray circulation pump and an agitator, the alkali liquor inlet of the spray tower is connected to the flushing water tank through a high-pressure water pipe, and the high-pressure water pump is arranged at a high pressure On the water pipe, an alkali spray circulating pump is arranged on the connecting pipe between the alkali liquor inlet and the alkali liquor outlet, and the blades of the agitator are arranged at the bottom of the spray tower.

[0042] The agitator is a double-layer three-blade back-swept agitator, the upper blades are arranged above the air inlet of the spray tower, and the lower blades are arranged below the air inlet of the spray tower.

[0043] The lower blades are installed at 0.5 meters from the bottom of the tower.

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Abstract

The invention provides an alkali spraying system and an operation method thereof. The alkali spraying system comprises a spraying tower, a flushing water tank, a high-pressure water pump, an alkali spraying circulation pump and a stirrer, wherein an alkali liquor inlet in the spraying tower is communicated with the flushing water tank through a high-pressure water pipe; the high-pressure water pump is arranged on the high-pressure water pipe; the alkali spraying circulation pump is arranged on a connection pipeline between the alkali liquor inlet and an alkali liquor outlet; the blade of the stirrer is arranged at the inner bottom of the spraying tower. The alkali spraying system and the operation method adopt a stirring reaction mechanism and an alkali spraying backward flow reaction mechanism, so as to improve H2S absorption efficiency and reduce environmental pollution; moreover, blockage of the alkali spraying system can be avoided to facilitate operation of the alkali spraying system and realize circulatory production better.

Description

technical field [0001] The invention belongs to H 2 The field of waste gas treatment, specifically relates to an alkali spray system and its operation method. Background technique [0002] With the increasing awareness of human environmental protection, human beings are more and more concerned about the quality of the surrounding living environment. H contained in industrial exhaust gas 2 S gas can not only cause poisoning of pipelines and catalysts, deterioration of process conditions, corrosion of equipment, but also cause serious environmental pollution and even endanger human existence. Therefore, it is necessary to control the emitted H 2 S gas for governance. Hydrogen sulfide gas is an air pollution hazard that has attracted increasing global attention. It is a typical odorous gas with a wide range of pollution and great influence. Sulfur is a valuable raw material in the chemical industry in energy, chemical industry, medicine, agriculture and other aspects. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/52B01D53/96
CPCB01D53/78B01D53/52B01D53/96B01D2251/404
Inventor 尹继国徐绍贤邹成林于洋
Owner 宜宾海翔化工有限责任公司
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