Charging system for the granulating preparation of sodium benzoate particle and operation process thereof

A technology of sodium benzoate and production process, which is applied in the field of feeding system and operation process, can solve the problems of low product quality stability, increased impurities entering the prilling tower, and poor operating environment for workers, so as to improve the production technology level and improve Production workshop environment, the effect of saving manpower

Active Publication Date: 2010-07-07
TIANJIN DONGDA CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This feeding method can only be fed to a single tower, which is a waste of manpower, and the granular seeds are easy to float into the production workshop, resulting in a poor operating environment for workers. At the same time, the open feeding increases the probability of impurities entering the prilling tower, and the product quality is stable. Sex is not high

Method used

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  • Charging system for the granulating preparation of sodium benzoate particle and operation process thereof
  • Charging system for the granulating preparation of sodium benzoate particle and operation process thereof
  • Charging system for the granulating preparation of sodium benzoate particle and operation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: The electric program control box is used to set the program, and the electric control box is connected to each electric brake valve through the signal line. Firstly, the blower and the brake valve of the material inlet of the first prilling tower are opened, and the blower is used to blast the pipeline , so that the pipeline for conveying seeds is unblocked; after 5 to 10 seconds, the program automatically opens the seed brake valve, and the granulated seeds flow down from the seed storage tank to the Venturi conveying pipe; the granular seeds are in contact with high-speed air in the Venturi conveyer Mix evenly, and then enter the prilling tower under the wind force; when the number of seeds reaches the set value, the metering valve will feed back to the program control box and close the seed brake valve; continue to ventilate for 10-15 seconds to blow out the seeds in the pipeline, The program closes the brake valve of the blower and the brake valve of the p...

Embodiment 2

[0020] Embodiment 2: Use the electric program control box to set the program, the electric control box is connected with each electric brake valve through the signal line, firstly open the blower, the main pipe and the brake valve of the material inlet of the second prilling tower, and use the blower to blow air Purge the pipeline to make the pipeline for conveying seeds unblocked; after 10 to 20 seconds, the program automatically opens the seed brake valve, and the granulated seeds flow down from the seed storage tank to the Venturi conveying pipe; The high-speed air contacts and mixes evenly, and then enters the prilling tower under the force of the wind; when the number of seeds reaches the set value, the metering valve feeds back to the program control box and closes the seed brake valve; continue to ventilate for 15-25s to blow the seeds in the pipeline After cleaning, the program closes the blower, the main pipeline and the brake valve of the material inlet of the second ...

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Abstract

The present invention relates to a charging system for the granulating preparation of sodium benzoate particle and operation process thereof. The charging system comprises a granular seed storage tank and a granulating tower, a self-control charging system is arranged between the seed storage tank and the granulating tower. The self-control charging system consists of a granular seed metering valve, a blower, an electric brake valve, a program control cabinet and a Venturi conveyer. One end of the Venturi conveyer is connected with the blower, the other end of the Venturi conveyer is connected with the granulating tower, and a granular seed inlet is arranged near the blower and is connected with the granular seed storage tank. The outlet or inlet of each pipeline is provided with the electric brake valve. One or a plurality of granulating towers is or are provided. The operation time of each unit is controlled by an electric program and the seeds are in totally enclosed condition during the charging process. The invention changes the prior charging process of sodium benzoate, saves labor, saves the charging time of sodium benzoate particle, enhances the stability of product quality and improves the preparation environment of sodium benzoate particle.

Description

technical field [0001] The invention belongs to the technical field of organic chemical industry, in particular to a feeding system and an operation process in the granulation production process of granular sodium benzoate. Background technique [0002] Sodium benzoate, also known as sodium benzoate, is an efficient and economical food preservative. According to its product form, it can be divided into powder sodium benzoate, granular sodium benzoate and columnar sodium benzoate. [0003] The production process of granular sodium benzoate includes 5 basic operation units: neutralization, decolorization, filtration, granulation and packaging. Benzoic acid and liquid caustic soda (sodium hydroxide) undergo a neutralization reaction to generate sodium benzoate liquid material. After filtering impurities, the sodium benzoate liquid material is granulated in the prilling tower. The granulation process is to first put particles into the prilling tower Seeds, after the sodium benz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J4/00B01J2/16C07C63/08
Inventor 赵富贵
Owner TIANJIN DONGDA CHEM GRP
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