Ammonia water recovery device

A recovery device and ammonia water technology, which are applied in ammonia preparation/separation, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as unreachable, environmental impact, and environmental pollution, and achieve good absorption and recovery effects.

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 will cause serious pollution to the environment.
The current ammonia water recovery equipment can only meet the minimum national standard for ammonia absorption, and some even fail to reach it, so it has a serious impact on the environment

Method used

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Embodiment Construction

[0011] The present invention will be further illustrated below in conjunction with the accompanying 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 are not intended to limit the scope of the present invention.

[0012] Such as figure 1 Shown, a kind of ammonia recovery device comprises gas buffer tank 1, the vacuum unit 2 that joins with gas buffer tank, the first absorption tower 3a that joins with vacuum unit 2, the second that joins with first absorption tower 3a Absorption tower 3b, the 3rd absorption tower 3c that joins with the 2nd absorption tower 3b, the activated carbon adsorption tank 4 that joins with the 3rd absorption tower 3c and the reservoir 22; The mouth 5, the first air outlet 6, the first water inlet 7 and the first water outlet 8 are also provided with two rings of reinforce...

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Abstract

The invention discloses an ammonia water recovery device, which comprises a gas buffer tank, a vacuum unit connected with the gas buffer tank, a first absorption tower connected with the vacuum unit, an absorption tank connected with the first absorption tower and a water storage tank. Because of multi-stage ammonia absorption and ammonia water recovery, the ammonia water recovery device has good absorption and recovery effects; the concentration of the discharged waste gas after the absorption is not more than 1 mg / m3, and the purification efficiency is not less than 99% and is lower than the Chinese (GB14554-93) odor pollutant comprehensive discharge primary and secondary standards 1.0 mg / m3 and 1.5 mg / m3; and the discharge amount is smaller than or equal to the standard of 4.9 kg / h when the height is 15 m.

Description

technical field [0001] The invention relates to chemical equipment, in particular to an ammonia recovery device. Background technique [0002] Ammonia gas, an inorganic compound, is a gas at room temperature, colorless and has a pungent odor. It is easily soluble in water. When ammonia dissolves in water, it is called ammonia water. Ammonia molecules and water molecules combine to form ammonia monohydrate (NH3· H2O), 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 wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14B01D53/02C01C1/12
Inventor 徐建国
Owner 苏州利盛化工设备有限公司
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