Ammonia absorption device

An absorption device and technology for ammonia gas, which are applied in the preparation/separation of ammonia, separation of dispersed particles, chemical instruments and methods, etc., can solve problems such as environmental pollution, failure to achieve, and environmental impact, and achieve good absorption effect.

Inactive Publication Date: 2011-09-14
苏州利盛化工设备有限公司
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  • Abstract
  • Description
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Problems solved by technology

In the fields of desulfurization, dechlorination, and denitrification in the chemical industry and non-ferrous metal smelting industry, the exhaust gas contains a large amount of ammonia gas. If it is not treated effectively, it wi

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Example Embodiment

[0014] The present invention will be further clarified below with reference to the drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention.

[0015] Such as figure 1 As shown, an ammonia absorption device includes two gas-liquid separation buffers 1, a condensation vacuum unit 2, a first combined cooling absorption tower 3a, a second combined cooling absorption tower 3b, and a third combined cooling absorption tower 3c. Condenser 4 and reservoir 5 composed of two parallel chillers; among them, three outer reinforcement rings 10 are uniformly arranged on the outer walls of the two gas-liquid separation buffers 1; the first combined cooling absorption tower 3a It includes a first condensing tower 6a and a first absorption tower 7a connected to it. The second c...

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Abstract

The invention discloses an ammonia absorption device, which comprises a gas-liquid separation buffer, a vacuum condensation machine set, a first combined cooling absorption tower, a condenser and a water reservoir, wherein the first combined cooling absorption tower comprises a first condensing tower and a first absorption tower connected with the first condensing tower. Due to multiple stages ofabsorption treatment, the absorption effect is extremely good; and the discharged waste gas subjected to absorption has the concentration of less than or equal to 1mg/m<3>, the purification efficiency is more than or equal to 99 percent, and the waste gas is lower than the standard that the primary emission standard is 1.0mg/m<3>, the secondary emission standard is 1.5mg/m<3> and the emission load is less than or equal to 4.9kg/h when the height is 15 meters in Chinese Integrated Emission Standards for Odor Pollutants (GB14554-93).

Description

technical field [0001] The invention relates to chemical equipment, in particular to an ammonia absorption device. Background technique [0002] Ammonia, an inorganic compound, is a gas at room temperature, colorless and has a pungent odor, and is easily soluble in water. When ammonia is dissolved in water, ammonia molecules and water molecules combine to form ammonia monohydrate (NH3·H2O) through *hydrogen bonds. A small part of ammonia monohydrate can be ionized into ammonium ions and hydroxide ions, so ammonia water is weakly alkaline and can turn phenolphthalein solution red. Ammonium salt can be obtained by the action of ammonia and acid, and ammonia gas is mainly used as a refrigerant and to prepare ammonium salt and nitrogen fertilizer. In the fields of desulfurization, dechlorination, and denitrification in the chemical industry and non-ferrous metal smelting industry, the exhaust gas contains a large amount of ammonia gas. If it is not treated effectively, it will ...

Claims

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Application Information

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IPC IPC(8): B01D53/14C01C1/12
Inventor 徐建国
Owner 苏州利盛化工设备有限公司
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