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Waste heat utilization device of phenol ammonia recovery system

A phenolic ammonia recovery and ammonia recovery technology, applied in the field of waste heat utilization devices, can solve the problems of insufficient heat utilization, waste of heat, waste of cooling capacity, etc.

Pending Publication Date: 2020-10-23
查都(海南)科技有限公司
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AI Technical Summary

Problems solved by technology

Phenol ammonia recovery devices often use coupling to reduce energy consumption, but when considering coupling, only a single device is considered, resulting in insufficient heat utilization, excess heat is taken away by circulating water, wasting both heat and cooling

Method used

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  • Waste heat utilization device of phenol ammonia recovery system

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] A waste heat utilization device of a phenol ammonia recovery system, comprising a phenol ammonia recovery device and a waste heat utilization device, the phenol ammonia recovery device comprising a horizontal tube cooler, an acidic water stripper, an ammonia recovery system, a crude phenol extraction tower, and a solvent circulation system , a crude phenol product tower, a raffinate treatment tower; the waste heat utilization device includes a hot water ...

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PUM

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Abstract

The invention relates to a waste heat utilization device of a phenol ammonia recovery system. The waste heat utilization device of the phenol ammonia recovery system comprises a phenol ammonia recovery device and a waste heat utilization device body, wherein the phenol ammonia recovery device comprises a horizontal pipe cooler, a sour water stripping tower, an ammonia recovery system, a crude phenol extraction tower, a solvent circulation system, a crude phenol product tower and a raffinate treatment tower, and the waste heat utilization device body comprises a hot water circulation system, afirst heat exchanger, a second heat exchanger, a third heat exchanger, a fourth heat exchanger and a refrigerating system. The waste heat utilization device of the phenol ammonia recovery system is compact in structure, reasonable in process and sufficient in waste heat utilization, can achieve the purposes of energy conservation and efficiency improvement, can be transformed on similar devices, reduces the operating cost of the devices and improves economic benefits.

Description

technical field [0001] The invention belongs to the field of energy saving and consumption reduction, in particular to a waste heat utilization device of a phenol ammonia recovery system. Background technique [0002] Coal dry distillation is a common method for comprehensive utilization of low-rank coal quality improvement. Coal dry distillation forms raw coal gas with complex components, including ammonia, carbon dioxide, mixed phenols, hydrogen sulfide and other pollutants. After condensation and separation, the quality of raw coal gas is improved. Comprehensive utilization has high economic value. Phenol ammonia recovery devices often use coupling to reduce energy consumption, but when considering coupling, only a single device is considered, resulting in insufficient heat utilization, and excess heat is taken away by circulating water, wasting both heat and cooling. Contents of the invention [0003] The present invention aims to achieve the above purpose, and provid...

Claims

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Application Information

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IPC IPC(8): F25B27/02C10B53/00C10B57/00
CPCF25B27/02C10B53/00C10B57/00Y02A30/274Y02P20/129
Inventor 高向国上官国青吉鹏飞杨延奇蒋松马海艳
Owner 查都(海南)科技有限公司
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