A device for treating ammonolysis wastewater in the production of 1,5-diaminonaphthalene.

By designing an ammonia hydrolysis wastewater treatment device, the problem of untreated ammonia water and ammonia gas in the production of 1,5-diaminonaphthalene was solved, realizing the recycling of resources and environmental protection, and achieving the effect of energy saving and consumption reduction.

CN224513241UActive Publication Date: 2026-07-17SHANDONG CHONGSHUN NEW MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG CHONGSHUN NEW MATERIAL TECH CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The ammonia water and ammonia gas generated during the production of 1,5-diaminonaphthalene are discharged directly without treatment, resulting in environmental pollution and resource waste. Existing technologies have failed to effectively recycle and utilize them.

Method used

An ammonia desulfurization wastewater treatment system was designed, comprising an ammonia removal reactor, a cooling device, an absorption tower, a gas-liquid separator, an ammonia water tank, a buffer tank, a water washing tower, a neutralization tower, and a tail gas treatment device. This system recovers and utilizes ammonia water and ammonia gas, achieving recycling.

Benefits of technology

This technology enables the effective recovery and utilization of ammonia water and ammonia gas, reduces raw material costs, minimizes environmental pollution, and achieves energy conservation and consumption reduction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224513241U_ABST
    Figure CN224513241U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of chemical equipment technology, specifically to an ammonia decomposition wastewater treatment device in the production of 1,5-diaminonaphthalene. The device comprises an ammonia removal reactor, a cooling device, an absorption tower, a gas-liquid separator, an ammonia water tank, a buffer tank, a water washing tower, a neutralization tower, and a tail gas treatment device, sequentially connected by pipes, pumps, and valves. The inlet of the ammonia removal reactor is connected to the filter press in the preceding process, and the gas outlet of the ammonia removal reactor is connected to the inlet of the cooling device, which in turn is connected to the crystallization reactor in the preceding process. The gas outlet of the absorption tower is connected to the buffer tank. The liquid outlet of the ammonia water tank is connected to the reaction vessel and the absorption tower in the preceding process via pipes and pumps, respectively. This utility model features a simple production process and effectively recovers and utilizes excess ammonia water and generated ammonia gas during production, thereby achieving energy conservation and consumption reduction.
Need to check novelty before this filing date? Find Prior Art