CN-121999897-A - Safety risk monitoring method, device, equipment and medium for peracetic acid synthesis reaction

CN121999897ACN 121999897 ACN121999897 ACN 121999897ACN-121999897-A

Abstract

The application discloses a safety risk monitoring method, a device, equipment and a medium for a peracetic acid synthesis reaction, which relate to the technical field of chemical industry and comprise the steps of carrying out thermal safety evaluation on the peracetic acid synthesis reaction under an adiabatic condition and obtaining an evaluation result; and determining a corresponding heat balance model according to the target heat transfer mechanism, determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model, and carrying out security risk assessment on the peracetic acid synthesis reaction according to the heat migration characteristic. By integrating the adiabatic evaluation result and the thermal balance analysis result under the actual working condition, the comprehensive judgment of the safety of the reactor unit is realized, and the problem that the evaluation result in the prior art is separated from the actual one is solved.

Inventors

WANG JIANNA
NING YANXIA
JIN XIAOHUI
YU BAIZHEN
HAN MENGMENG
XU FEN
YUAN LIANGGUO

Assignees

山东润博安全科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260408

Claims (10)

1. A method for monitoring the safety risk of a peroxyacetic acid synthesis reaction, comprising: Detecting heat data corresponding to the peracetic acid synthesis reaction by using a preset heat detection device to obtain corresponding material decomposition heat data and reaction heat data, carrying out thermal safety evaluation on the peracetic acid synthesis reaction under an adiabatic condition based on the material decomposition heat data and the reaction heat data, and obtaining a corresponding evaluation result; If the evaluation result indicates that the peroxyacetic acid synthesis reaction has risk, determining a target heat transfer mechanism corresponding to a target reaction system according to the actual working condition of the peroxyacetic acid synthesis reaction and the corresponding Rayleigh number, wherein the target heat transfer mechanism comprises forced convection and natural convection; Setting a corresponding heat balance model according to the target heat transfer mechanism, wherein the heat balance model is Semenov models or natural convection heat transfer models; and determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model, and carrying out security risk assessment on the peracetic acid synthesis reaction according to the heat migration characteristic so as to generate and output a corresponding security prevention and control strategy based on a security risk assessment result.
2. The method for monitoring the safety risk of a peroxyacetic acid synthesis reaction according to claim 1, wherein the detecting the heat data corresponding to the peroxyacetic acid synthesis reaction by using a preset heat detecting device to obtain corresponding material decomposition heat data and reaction heat data, and performing thermal safety evaluation on the peroxyacetic acid synthesis reaction under an adiabatic condition based on the material decomposition heat data and the reaction heat data comprises: Carrying out thermal stability test on reaction materials corresponding to the synthesis reaction of the peroxyacetic acid by using preset heat detection equipment so as to obtain corresponding material decomposition thermal data; carrying out a reaction heat test on the reaction process of the peroxyacetic acid synthesis reaction to obtain corresponding reaction heat data, and determining adiabatic temperature rise based on the material decomposition heat data and the reaction heat data; analyzing the reacted liquid material of the peroxyacetic acid synthesis reaction, and determining the maximum reaction rate reaching time at different temperatures; And carrying out thermal safety evaluation on the peracetic acid synthesis reaction according to the material decomposition thermal data, the reaction heat data, the adiabatic temperature rise and the maximum reaction rate.
3. The method for monitoring the safety risk of a peroxyacetic acid synthesis reaction according to claim 1 further comprising: if the evaluation indicates that there is no risk of a peracetic acid synthesis reaction, the analysis of the peracetic acid synthesis reaction is stopped.
4. The method for monitoring the safety risk of the peroxyacetic acid synthesis reaction according to claim 1, wherein the determining the target heat transfer mechanism corresponding to the target reaction system according to the actual working condition of the peroxyacetic acid synthesis reaction and the corresponding rayleigh number comprises: If the actual working condition of the peroxyacetic acid synthesis reaction comprises stirring operation, judging that the target heat transfer mechanism is forced convection; If the actual working condition of the peroxyacetic acid synthesis reaction does not contain stirring operation, calculating a corresponding Rayleigh number to judge whether the target heat transfer mechanism is natural convection.
5. The method for monitoring the safety risk of a peroxyacetic acid synthesis reaction according to claim 1 wherein if the target heat transfer mechanism is forced convection, the thermal balance model is a Semenov model; Correspondingly, the determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model comprises the following steps: And determining the comprehensive heat transfer coefficient and the heat exchange area of the target reactor based on the heat balance model, and determining the thermal half-life of the target reaction system under the actual working condition according to the comprehensive heat transfer coefficient and the heat exchange area.
6. The method for monitoring the safety risk of a peroxyacetic acid synthesis reaction according to claim 5, wherein if the target heat transfer mechanism is natural convection, the heat balance model is a corresponding natural convection heat exchange model; Correspondingly, the determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model comprises the following steps: And determining a corresponding film heat transfer coefficient based on the heat balance model, and determining the heat transfer rate under the current working condition according to the film heat transfer coefficient, wherein the film heat transfer coefficient represents the convection heat transfer coefficient between the reaction system and the reactor wall under the natural convection condition.
7. The method for monitoring the safety risk of a peroxyacetic acid synthesis reaction according to claim 6 wherein the performing the safety risk assessment of the peroxyacetic acid synthesis reaction according to the heat transfer characteristics comprises: If the target heat transfer mechanism is forced convection, acquiring the corresponding maximum reaction rate arrival time of the peroxyacetic acid synthesis reaction under the adiabatic condition, and comparing the corresponding maximum reaction rate arrival time under the adiabatic condition with the thermal half-life period to perform security risk assessment on the peroxyacetic acid synthesis reaction; And if the target heat transfer mechanism is natural convection, acquiring the actual heat release rate of the peroxyacetic acid synthesis reaction at the current stage, and comparing the actual heat release rate with the actual heat release rate to perform security risk assessment on the peroxyacetic acid synthesis reaction.
8. A security risk monitoring device for a peroxyacetic acid synthesis reaction, comprising: The thermal safety evaluation module is used for detecting heat data corresponding to the peracetic acid synthesis reaction by utilizing a preset heat detection device to obtain corresponding material decomposition heat data and reaction heat data, carrying out thermal safety evaluation on the peracetic acid synthesis reaction under an adiabatic condition based on the material decomposition heat data and the reaction heat data, and obtaining a corresponding evaluation result; The heat transfer mechanism determining module is used for determining a target heat transfer mechanism corresponding to a target reaction system according to the actual working condition of the peroxyacetic acid synthesis reaction and the corresponding Rayleigh number if the evaluation result indicates that the peroxyacetic acid synthesis reaction has risk, wherein the target heat transfer mechanism comprises forced convection and natural convection; The heat balance model setting module is used for setting a corresponding heat balance model according to the target heat transfer mechanism, wherein the heat balance model is Semenov models or natural convection heat transfer models; The risk assessment module is used for determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model, and carrying out security risk assessment on the peracetic acid synthesis reaction according to the heat migration characteristic so as to generate and output a corresponding security prevention and control strategy based on a security risk assessment result.
9. An electronic device, comprising: A memory for storing a computer program; A processor for executing the computer program to implement the security risk monitoring method of a peracetic acid synthesis reaction according to any one of claims 1 to 7.
10. A computer readable storage medium for storing a computer program which when executed by a processor implements a method of monitoring the safety risk of a peracetic acid synthesis reaction according to any one of claims 1 to 7.

Description

Safety risk monitoring method, device, equipment and medium for peracetic acid synthesis reaction Technical Field The invention relates to the technical field of chemical industry, in particular to a safety risk monitoring method, device, equipment and medium for a peroxyacetic acid synthesis reaction. Background Peracetic acid is a colorless transparent liquid which is easy to volatilize, has strong corrosiveness and strong oxidizing property, is often used as a disinfectant, and is easy to decompose when being heated or mixed with organic matters, strong alkali and the like. The process for producing the peroxyacetic acid mainly comprises the steps of mixing the acetic acid with 30-90% of hydrogen peroxide by mass fraction, and reacting under the action of an acid catalyst to obtain the peroxyacetic acid, wherein the reaction type belongs to the peroxidation process. The current evaluation method of the peroxyacetic acid synthesis reaction is to evaluate under an adiabatic condition, and the method has the problem that the evaluation result is not in accordance with the actual situation. Disclosure of Invention In view of the above, the present invention aims to provide a method, a device, equipment and a medium for monitoring safety risk of a peracetic acid synthesis reaction, which can realize comprehensive judgment of safety of a reactor unit by integrating an adiabatic evaluation result and a thermal balance analysis result under actual working conditions, and solve the problem that the evaluation result in the prior art is separated from the actual one. The specific scheme is as follows: In a first aspect, the present application provides a method for monitoring the safety risk of a peracetic acid synthesis reaction, comprising: Detecting heat data corresponding to the peracetic acid synthesis reaction by using a preset heat detection device to obtain corresponding material decomposition heat data and reaction heat data, carrying out thermal safety evaluation on the peracetic acid synthesis reaction under an adiabatic condition based on the material decomposition heat data and the reaction heat data, and obtaining a corresponding evaluation result; If the evaluation result indicates that the peroxyacetic acid synthesis reaction has risk, determining a target heat transfer mechanism corresponding to a target reaction system according to the actual working condition of the peroxyacetic acid synthesis reaction and the corresponding Rayleigh number, wherein the target heat transfer mechanism comprises forced convection and natural convection; Setting a corresponding heat balance model according to the target heat transfer mechanism, wherein the heat balance model is Semenov models or natural convection heat transfer models; and determining the heat migration characteristic of the target reaction system under the actual working condition according to the heat balance model, and carrying out security risk assessment on the peracetic acid synthesis reaction according to the heat migration characteristic so as to generate and output a corresponding security prevention and control strategy based on a security risk assessment result. Optionally, the detecting, by using a preset heat detecting device, heat data corresponding to a peracetic acid synthesis reaction to obtain corresponding material decomposition heat data and reaction heat data, and performing thermal safety evaluation on the peracetic acid synthesis reaction under an adiabatic condition based on the material decomposition heat data and the reaction heat data, where the method includes: Carrying out thermal stability test on reaction materials corresponding to the synthesis reaction of the peroxyacetic acid by using preset heat detection equipment so as to obtain corresponding material decomposition thermal data; carrying out a reaction heat test on the reaction process of the peroxyacetic acid synthesis reaction to obtain corresponding reaction heat data, and determining adiabatic temperature rise based on the material decomposition heat data and the reaction heat data; analyzing the reacted liquid material of the peroxyacetic acid synthesis reaction, and determining the maximum reaction rate reaching time at different temperatures; And carrying out thermal safety evaluation on the peracetic acid synthesis reaction according to the material decomposition thermal data, the reaction heat data, the adiabatic temperature rise and the maximum reaction rate. Optionally, the method for monitoring safety risk of the peroxyacetic acid synthesis reaction further comprises: if the evaluation indicates that there is no risk of a peracetic acid synthesis reaction, the analysis of the peracetic acid synthesis reaction is stopped. Optionally, the determining the target heat transfer mechanism corresponding to the target reaction system according to the actual working condition of the synthesis reaction of the peroxyacetic acid and the corresponding rayleigh num