CN-224207994-U - Continuous nitrifying production device for benzimidazolone

CN224207994UCN 224207994 UCN224207994 UCN 224207994UCN-224207994-U

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to a benzimidazolone continuous nitrification production device, wherein a benzimidazolone solid feeder and an acid liquid storage tank are both connected with a mixing tank, a bottom discharge port of the mixing tank is connected with a bottom feed port of a primary tubular reactor, a top discharge port of the primary tubular reactor is connected with a bottom feed port of a secondary tubular reactor, a top discharge port of the secondary tubular reactor is connected with a bottom feed port of a tertiary tubular reactor, a top discharge port of the tertiary tubular reactor is connected with a coarse material storage tank, the primary tubular reactor, the secondary tubular reactor and the tertiary tubular reactor are all supplied with heat by a cold and hot integrated machine, a primary reactor self-circulation pipeline is connected to the primary tubular reactor, a secondary reactor circulation pipeline is connected to the secondary tubular reactor, and a tertiary reactor circulation pipeline is connected to the tertiary tubular reactor. The utility model continuously mixes materials, enhances the mixing effect of materials and shortens the reaction time.

Inventors

ZHANG SHIXIN
LI JINCE
Jiang Zongling
ZHAO JINLONG
LIU JIAN
LIU CHANGCHUN
LI DESHUAI

Assignees

鞍山惠友智能装备科技有限责任公司

Dates

Publication Date: 20260508
Application Date: 20250529

Claims (5)

1. The utility model provides a benzimidazolone continuous nitration apparatus for producing, a serial communication port, including benzimidazolone solid feeder, the acidizing fluid storage tank, the compounding jar, one-level tubular reactor, the diode reactor, tertiary tubular reactor, the coarse fodder storage tank, cold and hot all-in-one, benzimidazolone solid feeder and acidizing fluid storage tank all are connected with the compounding jar, the bottom discharge gate of compounding jar is connected with the bottom feed inlet of one-level tubular reactor, the top discharge gate of one-level tubular reactor is connected with the bottom feed inlet of diode reactor, the top discharge gate of diode reactor is connected with the bottom feed inlet of tertiary tubular reactor, tertiary tubular reactor's top discharge gate is connected with the coarse fodder storage tank, one-level tubular reactor, diode reactor and tertiary tubular reactor are all by cold and hot all-in-one heat supply, connect one-level reactor self-circulation pipeline on the one-level tubular reactor, connect second-level reactor circulation pipeline on the diode reactor, connect tertiary reactor circulation pipeline on the tertiary tubular reactor.
2. The continuous nitrifying production device for benzimidazolone according to claim 1, wherein the solid benzimidazolone feeder and the acid liquid storage tank are connected with the top of the mixing tank.
3. The continuous nitrifying production device for benzimidazolone according to claim 1, wherein a stirrer is arranged in the mixing tank.
4. The continuous nitrifying production device of benzimidazolone according to claim 1, wherein the primary circulating pump is arranged on the self-circulating pipeline of the primary reactor, the secondary circulating pump is arranged on the circulating pipeline of the secondary reactor, and the tertiary circulating pump is arranged on the circulating pipeline of the tertiary reactor.
5. The continuous nitrifying production device of benzimidazolone according to claim 1, wherein jackets are arranged outside the tube bodies of the primary tube type reactor, the secondary tube type reactor and the tertiary tube type reactor, a heating medium inlet and a heating medium outlet are respectively arranged on the jackets, a liquid outlet of the cold-hot integrated machine is connected with the heating medium inlet of the primary tube type reactor, the heating medium outlet of the primary tube type reactor is connected with the heating medium inlet of the secondary tube type reactor, the heating medium outlet of the secondary tube type reactor is connected with the heating medium inlet of the tertiary tube type reactor, and the heating medium outlet of the tertiary tube type reactor is connected with a liquid return port of the cold-hot integrated machine.

Description

Continuous nitrifying production device for benzimidazolone Technical Field The utility model belongs to the technical field of chemical equipment, and particularly relates to a continuous nitrifying production device for benzimidazolone. Background Benzimidazolone is the main raw material of benzimidazolone azo pigment, the benzimidazolone azo pigment is a high-performance organic pigment, the production difficulty is high, the price is high, the color is bright and firm, and the benzimidazolone azo pigment is suitable for most cases. In recent years, along with the continuous flow technology development in the process of chemical production, the traditional kettle type process is replaced by the continuous flow technology, and in the production process of benzimidazolone nitration reaction, most of the kettle type processes are batch kettle type processes, in the reaction process, strong heat release and explosion risks are often accompanied, the reaction time is long, and more byproducts are generated. Disclosure of Invention The utility model aims to solve the technical problem of providing a continuous nitrifying production device for benzimidazolone, which is used for continuously mixing materials, enhancing the mixing effect of the materials and shortening the reaction time. In order to achieve the above purpose, the utility model adopts the following technical scheme: The utility model provides a benzimidazolone continuous nitration apparatus for producing, including benzimidazolone solid feeder, the acidizing fluid storage tank, the compounding jar, one-level tubular reactor, the diode type reactor, tertiary tubular reactor, the coarse fodder storage tank, cold and hot all-in-one, benzimidazolone solid feeder and acidizing fluid storage tank all are connected with the compounding jar, the bottom discharge gate of compounding jar is connected with the bottom feed inlet of one-level tubular reactor, the top discharge gate of one-level tubular reactor is connected with the bottom feed inlet of diode type reactor, the top discharge gate of diode type reactor is connected with the bottom feed inlet of tertiary tubular reactor, the top discharge gate of tertiary tubular reactor is connected with the coarse fodder storage tank, one-level tubular reactor, diode type reactor and tertiary tubular reactor are by cold and hot all-in-one, connect one-level reactor self-circulation pipeline on the one-level tubular reactor, connect second-level reactor circulation pipeline on the diode type reactor, connect tertiary reactor circulation pipeline on the tertiary tubular reactor. The benzimidazolone solid feeder and the acid liquid storage tank are connected with the top of the mixing tank. The mixing tank is internally provided with a stirrer. The primary reactor is provided with a primary circulating pump on a self-circulating pipeline, the secondary reactor is provided with a secondary circulating pump on a circulating pipeline, and the tertiary reactor is provided with a tertiary circulating pump on a circulating pipeline. The heating medium outlet of the primary tubular reactor is connected with the heating medium inlet of the secondary tubular reactor, the heating medium outlet of the secondary tubular reactor is connected with the heating medium inlet of the tertiary tubular reactor, and the heating medium outlet of the tertiary tubular reactor is connected with the liquid return port of the cold and hot integrated machine. Compared with the prior art, the utility model has the beneficial effects that: The utility model realizes continuous mixing. The multistage tubular reactor greatly shortens the reaction time. The tubular reactor is provided with a self-circulation system to enhance the mixing effect of the materials. The reaction temperature is easy to control, the heat transfer efficiency is high, the occurrence of side reaction can be effectively avoided, and the quality stability of the whole process is improved. Drawings Fig. 1 is a schematic structural view of the present utility model. In the figure, a benzimidazolone solid feeder 1, an acid liquid storage tank 2, a mixing tank 3, a primary tubular reactor 4, a secondary tubular reactor 5, a tertiary tubular reactor 6, a coarse material storage tank 7, a cold and hot integrated machine 8, a primary reactor self-circulation pipeline 9, a secondary reactor circulation pipeline 10, a tertiary reactor circulation pipeline 11, a primary circulation pump 12, a secondary circulation pump 13, a tertiary circulation pump 14, a jacket 15 and a stirrer 16 are shown. Detailed Description In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more