Storage safety management method suitable for triacetin production

Abstract

The present application relates to the technical field of production safety management, and discloses a storage safety management method suitable for triacetin production, which comprises: judging whether the gas concentration in the target area is normal, judging the reason for abnormal gas concentration, constructing an employee habit model, and guiding the employee's taking habits. The storage safety management method suitable for triacetin production judges whether the materials in the area are the same batch of materials stored, compares the calculated material storage time with the upper limit of the allowed storage time, analyzes the employee storage and taking habit model, effectively identifies the materials stored for a long time, constructs the employee storage and taking habit model, and formulates an interference strategy according to the employee habits and the material storage conditions, so as to guide the employees to take the materials in each area more evenly, avoid some materials in certain areas from being ignored and taken for a long time, improve the overall material management and use efficiency, and reduce the risk of local material accumulation or deterioration.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of production safety management, in particular to a storage safety management method suitable for triacetin production. BACKGROUND

[0002] Triacetin is an important chemical raw material and plasticizer, and is widely used in the medical, food, cosmetic and other industries. In the production process of triacetin, the storage and management of a plurality of chemicals are involved, and storage safety is particularly important to prevent fire, leakage, explosion and other accidents, and to ensure production safety, environmental safety and personnel safety. In order to effectively prevent and control the safety risks that may occur in the production and storage of triacetin, it is necessary to design a scientific, systematic and intelligent storage safety management method by combining modern information technology, to realize efficient and safe storage of dangerous chemicals through real-time monitoring, data analysis and risk warning of the storage area, to promote the safety and controllability of the production process, and to ensure the storage safety of triacetin through risk identification, facility specification, operation procedures, monitoring and emergency measures, to reduce the risk of accidents, to ensure production safety and environmental protection, and to provide strong support for the sustainable development of enterprises.

[0003] The existing storage safety management method suitable for triacetin production cannot guide personnel to gradually check abnormal reasons, cannot comprehensively consider multiple factors to accurately determine whether the materials in the area are of the same batch, cannot calculate the storage time of the materials and compare it with the upper limit of the allowed storage time, and cannot effectively identify the materials stored for a long time by combining the analysis of the employee storage and taking habits model. Therefore, the use and storage of some materials cannot be used or meet the requirements due to personal habits, the employee storage and taking habits model cannot be constructed, and the interference strategy cannot be developed according to the employee habits and the storage of the materials to interfere with the taking habits of the employees when necessary, to guide them to take the materials in each area more evenly, so that the materials in some areas are easily ignored and taken for a long time, which reduces the overall material management and use efficiency, increases the risk of local material accumulation or deterioration, and has certain limitations in practicability. SUMMARY

[0004] The application provides a storage safety management method suitable for triacetin production, which has the beneficial effects of guiding personnel to gradually investigate abnormal reasons, comprehensively considering various factors, accurately judging whether the materials in the region are the same batch of materials, comparing the calculated material storage time with the upper limit of the allowed storage time, combining employee storage and taking habits model analysis, effectively identifying long-term stored materials, constructing an employee storage and taking habits model, and developing an interference strategy according to the employee habits and material storage conditions, and guiding the employee to more evenly take the materials in each region when necessary, avoiding that some region materials are not paid attention to and taken for a long time, improving the overall material management and use efficiency, and reducing the risk of local material backlog or deterioration.

[0005] The application provides the following technical scheme: a storage safety management method suitable for triacetin production, comprising:

[0006] S1, obtaining concentration data in a target region;

[0007] S2, if the concentration in the target region is normal, continue to obtain the concentration data in the target region;

[0008] S3, if the concentration in the target region is abnormal, obtaining the storage information of all materials in the target region;

[0009] S4, if the storage information of all materials in the target region is consistent, performing diffusion analysis;

[0010] S5, if the storage information of the materials in the target region is inconsistent, performing storage and taking analysis.

[0011] As an optional solution of the storage safety management method suitable for triacetin production, the concentration data in the target region is obtained, specifically:

[0012] Obtaining the overall region of the warehouse;

[0013] The whole warehouse area is divided into several sub-areas according to the location of the stored triacetin;

[0014] Each sub-area is identified as a target area at a time;

[0015] The gas concentration in the target area is obtained, denoted as ;

[0016] A concentration determination function is set to determine whether the gas concentration in the target area is abnormal:

[0017] ;

[0018] Wherein, is the upper limit of the normal gas concentration, is the lower limit of the normal gas concentration;

[0019] If , it is determined that the concentration in the target area is normal;

[0020] If , it is determined that the concentration in the target area is abnormal.

[0021] As an optional solution of the storage safety management method suitable for triacetin production, wherein: the warehouse information of all materials in the target area is obtained, specifically:

[0022] The placement time of the first material in the target area is obtained, denoted as ;

[0023] The placement time of the last material in the target area is obtained, denoted as ;

[0024] The actual average placement interval time in the target area is calculated:

[0025] ;

[0026] Wherein, is the total number of materials in the area;

[0027] The normal average placement interval time is calculated:

[0028] ;

[0029] Wherein, is the placement time of the second material in the target area, is the placement time of the third material in the target area;

[0030] A time determination function is set to determine whether the average placement interval time is normal:

[0031] ;

[0032] wherein, is the allowed average placement time interval deviation threshold value;

[0033] if , it is determined that the material inventory information in the target area is inconsistent;

[0034] if , material gas analysis is performed;

[0035] extract the production data of all materials in the target area to form a set ;

[0036] wherein, represents the production data of the th material in the area, wherein is the total number of materials in the area;

[0037] calculate the unique production date set:

[0038] ;

[0039] determine whether the production data of the materials in the target area is consistent through a data determination function:

[0040] ;

[0041] if and the materials in the target area have not been called, it is determined that the inventory information of all materials in the target area is consistent;

[0042] if or the materials in the target area have been called, it is determined that the inventory information of the materials in the target area is inconsistent.

[0043] As an optional solution of the storage safety management method adapted to the production of triacetin, wherein: the material gas analysis is performed, specifically:

[0044] obtain a diffusion model;

[0045] obtain the current time, denoted as , and form an analysis period ;

[0046] determine whether the gas concentration of the target area in the analysis period decreases through a concentration analysis function:

[0047] ;

[0048] wherein, is the time the gas concentration at the time t, is the time the gas concentration at the time t;

[0049] If , it indicates that the gas concentration of the target area decreases, and the concentration change amount is calculated as:

[0050] ;

[0051] Extract the concentration change amount caused by normal gas diffusion in the analysis period of the diffusion model:

[0052] ;

[0053] Set a change judgment function to judge the reason for the decrease of the gas concentration:

[0054] ;

[0055] wherein, is an error tolerance value for judging whether the difference between the actual measurement value and the model prediction value is within an acceptable range;

[0056] If , it is determined that the material in the target area has not been called;

[0057] If , it is determined that the material in the target area has been called.

[0058] As an optional solution of the storage safety management method adapted to the production of triacetin according to the present application, wherein: the diffusion model is specifically:

[0059] Obtain different amounts of materials;

[0060] Obtain different placement times;

[0061] The gas concentration change rate of the material at the placement time is ;

[0062] Generate a diffusion data structure for each amount of material at each placement time:

[0063] ;

[0064] Identify each amount as the initial material amount in turn, denoted as ;

[0065] Identify each amount as the removed material amount in turn, denoted as ;

[0066] The rate of change of the gas concentration of the removed amount of material at the placement time is recorded as ;

[0067] The diffusion data structure at each placement time after the removal of the removed amount of material for each initial amount of material is generated:

[0068] .

[0069] As an optional solution of the storage safety management method adapted to the production of triacetin according to the present application, wherein:

[0070] The wind data of the target area within the analysis period is obtained, recorded as ;

[0071] The wind direction is determined by the wind direction determination function:

[0072] ;

[0073] Wherein, is the current wind direction, is the positional relationship of other areas relative to the target area;

[0074] If , it is considered that the wind direction points to the target area;

[0075] If , it is considered that the wind direction does not point to the target area;

[0076] A diffusion determination function is set to determine whether the gas concentration of the target area is affected by diffusion:

[0077] ;

[0078] Wherein, is the gas concentration of other areas in the warehouse area excluding the target area;

[0079] If , it is determined that the gas concentration of the target area is not affected by diffusion, and an abnormal alarm is given;

[0080] If , it is determined that the gas concentration of the target area is affected by diffusion, and all other areas in the warehouse area excluding the target area are set as analysis areas;

[0081] All analysis areas are traversed, and for each analysis area, the wind direction angle range corresponding to the positional relationship of the analysis area relative to the target area to ;

[0082] Acquiring gas concentration of analysis area ;

[0083] Setting a region determination function to determine whether the analysis area is a source region:

[0084] ;

[0085] Marking the analysis area of as the influence source region;

[0086] Calculating the source region:

[0087] ;

[0088] Wherein, finds the input parameter that makes a certain function reach the maximum value in a given set;

[0089] Identifying the source region as the target region, and repeating steps S3-S5.

[0090] As an optional solution of the storage safety management method suitable for the production of triacetin according to the present application, wherein: the access analysis is specifically:

[0091] Acquiring an employee habit model;

[0092] For each material in the target region, calculating the material placement duration:

[0093] ;

[0094] Wherein, is the current time, is the placement time of the material;

[0095] Acquiring the employee's taking records of the materials in the target region after the material is placed:

[0096] ;

[0097] Wherein, is all historical taking records of the materials in the target region;

[0098] Acquiring the employee's restocking records of the materials in the target region after the material is placed:

[0099] ;

[0100] Wherein, is all restocking records of the materials in the target region;

[0101] Setting a behavior determination function to determine the influence of employee behavior on the material placement duration:

[0102] ;

[0103] wherein, indicates that the taking record is empty, indicates that the replenishment record is empty;

[0104] If , it indicates that the materials in the target area are not taken and replenished;

[0105] If , it indicates that there are taking or replenishment records of materials in the target area;

[0106] By the material access determination function, it is determined whether there is long-time stored material in the target area:

[0107] ;

[0108] If , it is determined that there is long-time stored material in the target area, and prompting and interference are performed;

[0109] If , it is determined that there is no long-time stored material in the target area, and an abnormal alarm is performed.

[0110] As an optional solution of the storage safety management method suitable for the production of triacetin, wherein the employee habit model is specifically:

[0111] The position of the employee taking the material at the time is recorded as ;

[0112] The quantity of the employee taking the material at the time is recorded as ;

[0113] The replenishment behavior of the employee at the time is recorded as ;

[0114] The time of the employee taking the material again after replenishment is recorded as ;

[0115] The employee habit model is generated:

[0116] .

[0117] As an optional solution of the storage safety management method suitable for the production of triacetin, wherein the prompting and interference are specifically:

[0118] The data set of the employee taking habits is recorded as ;

[0119] wherein, is the position of the employee each time the material is taken, is the quantity of the material taken by the employee each time, is the time of the material taken by the employee each time;

[0120] determine the area in the target area that has been replenished with material, denoted as ;

[0121] determine the area in the target area that has not been replenished with material, denoted as ;

[0122] calculate the distance from the area without replenished material to the position of the employee's habit of taking:

[0123] ;

[0124] calculate the priority investigation area:

[0125] ;

[0126] According to the employee's conclusion on the inspection of the target area, set an interference strategy function to interfere with the employee's habit of taking at time T:

[0127] .

[0128] The present application has the following beneficial effects:

[0129] 1. The storage safety management method suitable for triacetin production, which collects and analyzes the gas concentration of the material in the target area in real time, discovers abnormal concentration in a timely manner, and improves the investigation efficiency and accuracy by guiding personnel to gradually investigate the abnormal reasons once the abnormal gas concentration is detected, preventing potential safety hazards in advance, and ensuring personnel health and production safety.

[0130] 2. The storage safety management method suitable for triacetin production, which comprehensively considers various factors such as material storage time, taking records, production date, etc., accurately judges whether the material in the area is the same batch of warehouse, calculates the material storage time and compares it with the upper limit of the allowed storage time, and combines the employee storage and taking habit model analysis to effectively identify the material stored for a long time, avoid the quality problems or resource waste caused by long-term storage of the material, improve the inventory turnover rate and material management efficiency, and finely manage different batches of materials to ensure the rationality of use and storage.

[0131] 3、The storage safety management method adapted to triacetin production constructs an employee storage and taking habit model, deeply understands the operation behavior mode of the employee, standardizes and optimizes the material taking, storage and replenishment behavior of the employee, formulates an interference strategy according to the employee habit and the material storage condition, interferes with the taking habit of the employee when necessary, guides the employee to more evenly take the materials in each region, avoids that the materials in some regions are not paid attention to and taken for a long time, improves the overall material management and use efficiency, reduces the risk of local material backlog or deterioration, and reduces the material management problems caused by improper human operation.

[0132] 4、The storage safety management method adapted to triacetin production combines gas concentration, material batch, employee behavior, wind condition and various factors to comprehensively analyze, more comprehensively evaluates and manages the material state and environment condition in the target region, considers the influence of wind and the gas concentration of other regions when judging the abnormal reason of the gas concentration, can determine whether it is caused by the influence of other regions, further analyzes the condition of the source region, realizes the system linkage monitoring and management in the region and between regions, controls the safety and stability of the production environment as a whole, and makes the decision and processing measures more scientific and reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0133] Figure 1 The storage safety management method adapted to triacetin production of the application is shown in the flow chart. DETAILED DESCRIPTION

[0134] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0135] Embodiment one, the storage safety management method adapted to triacetin production, as shown in Figure 1 , comprises:

[0136] S1, concentration data in a target region is acquired, the concentration data is a judgment result of the gas concentration in the region;

[0137] S2, if the concentration in the target region is normal, the concentration data in the target region is continuously acquired;

[0138] S3, if the concentration in the target region is abnormal, the warehousing information of all materials in the target region is acquired, the material is triacetin;

[0139] S4, if all the material storage information in the target area is consistent, then diffusion analysis is performed;

[0140] S5, if the material storage information in the target area is inconsistent, then access analysis is performed.

[0141] The concentration data in the target area is obtained, specifically:

[0142] The overall area of the warehouse is obtained;

[0143] The overall area of the warehouse is divided into several sub-areas according to the location of the triacetin stored;

[0144] Each sub-area is identified as a target area at a time;

[0145] The gas concentration in the target area is obtained, denoted as ;

[0146] A concentration determination function is set to determine whether the gas concentration in the target area is abnormal:

[0147] ;

[0148] Wherein, is the upper limit of the normal gas concentration, is the lower limit of the normal gas concentration;

[0149] If , it is determined that the concentration in the target area is normal;

[0150] If , it is determined that the concentration in the target area is abnormal.

[0151] The embodiment also provides that the diffusion analysis is performed, specifically:

[0152] The wind data of the target area in the analysis period is obtained, denoted as ;

[0153] The wind direction determination function is used to determine whether the wind direction points to the target area:

[0154] ;

[0155] Wherein, is the current wind direction, is the position relationship of other areas relative to the target area;

[0156] If , it is considered that the wind direction points to the target area;

[0157] If , it is considered that the wind direction does not point to the target area;

[0158] A diffusion judgment function is set to judge whether the gas concentration of the target area is affected by diffusion:

[0159] ;

[0160] Wherein, is the gas concentration of the analysis area, which is the gas concentration of the whole warehouse area excluding the target area;

[0161] If , it is determined that the gas concentration of the target area is not affected by diffusion, and an abnormal alarm is performed;

[0162] If , it is determined that the gas concentration of the target area is affected by diffusion, and the analysis area is set as the whole warehouse area excluding the target area;

[0163] All analysis areas are traversed, and for each analysis area, the corresponding wind direction angle range of the position relationship of the analysis area relative to the target area is obtained to ;

[0164] The gas concentration of the analysis area is obtained ;

[0165] A region judgment function is set to judge whether the analysis area is a source area:

[0166] ;

[0167] The analysis area of is marked as the influence source area;

[0168] The source area is calculated:

[0169] ;

[0170] Wherein, represents finding the input parameter that makes a certain function take the maximum value in a given set;

[0171] The source area is identified as the target area, and steps S3-S5 are repeatedly executed.

[0172] Through the above method, the personnel gradually investigate the abnormal reasons, comprehensively consider various factors, accurately determine whether the materials in the region are the same batch of materials, compare the material placement time with the upper limit of the allowed placement time, analyze the employee storage and taking habits model, effectively identify the materials stored for a long time, build the employee storage and taking habits model, and develop interference strategies according to the employee habits and material storage conditions, interfere with the employee's taking habits when necessary, guide the employee to take the materials in each region more evenly, avoid some materials in some regions from being ignored and taken for a long time, improve the overall material management and use efficiency, and reduce the risk of local material backlog or deterioration.

[0173] Embodiment two is an improvement based on embodiment one. The storage safety management method suitable for the production of triacetin acquires the storage information of all materials in the target region, specifically:

[0174] The placement time of the first material in the target region is recorded as ;

[0175] The placement time of the last material in the target region is recorded as ;

[0176] The actual average placement interval time in the target region is calculated:

[0177] ;

[0178] Wherein, is the total number of materials in the region;

[0179] The normal average placement interval time is calculated:

[0180] ;

[0181] Wherein, is the placement time of the second material in the target region, is the placement time of the third material in the target region;

[0182] A time judgment function is set to determine whether the average placement interval time is normal:

[0183] ;

[0184] Wherein, is the allowed average placement time interval threshold value, used to determine whether the actual average placement time interval is normal, such as the threshold value is the normal average placement interval time × (1+75%);

[0185] If If the production data of the materials in the target region is inconsistent, it is determined that the materials in the target region are not the same batch.

[0186] If the materials in the target region have been called, it is determined that the materials in the target region are not the same batch. If the materials in the target region have not been called, it is determined that the materials in the target region are the same batch.

[0187] Extract the production data of all materials in the target region to form a set , wherein the production data is the production data date.

[0188] , wherein represents the production data of the i-th material in the region, , wherein i is the total number of materials in the region. Calculate the unique production date set:

[0189] Determine whether the production data of the materials in the target region is consistent by the data determination function:

[0190] ;

[0191] If the production data of the materials in the target region is inconsistent, it is determined that the materials in the target region are not the same batch.

[0192] ;

[0193] If the materials in the target region have been called, it is determined that the materials in the target region are not the same batch. If the materials in the target region have not been called, it is determined that the materials in the target region are the same batch.

[0194] If the materials in the target region have been called, it is determined that the materials in the target region are not the same batch. If the materials in the target region have not been called, it is determined that the materials in the target region are not the same batch.

[0195] The material gas analysis is performed, specifically:

[0196] Obtain a diffusion model.

[0197] Obtain the current time, denoted as , and form an analysis period ;

[0198] Determine whether the gas concentration of the target region decreases in the analysis period by the concentration analysis function:

[0199] ;

[0200] , wherein is the gas concentration at time , and is the gas concentration at time .

[0201] If​ , it indicates that the gas concentration of the target area decreases, and the concentration change amount is calculated:

[0202] ;

[0203] Extract the concentration change amount caused by normal gas diffusion in the analysis period of the diffusion model:

[0204] ;

[0205] Set a change judgment function to determine the cause of the decrease in gas concentration:

[0206] ;

[0207] Wherein, is an error tolerance value for determining whether the difference between the actual measurement value and the model prediction value is within an acceptable range, such as 0.1%;

[0208] If , it is determined that the material in the target area has not been called;

[0209] If , it is determined that the material in the target area has been called.

[0210] Wherein, the diffusion model is specifically:

[0211] Obtain different amounts of material;

[0212] Obtain different placement times;

[0213] The gas concentration change rate of the material at the placement time is ;

[0214] Generate a diffusion data structure for each amount of material at each placement time:

[0215] ;

[0216] Identify each amount as the initial material amount in turn, denoted as ;

[0217] Identify each amount as the removed material amount in turn, denoted as ;

[0218] The gas concentration change rate of the material removed by a certain amount at the placement time is denoted as ;

[0219] Generate a diffusion data structure for each initial material amount after removing the removed material amount at each placement time:

[0220] .

[0221] In a third embodiment, which is an improvement over the second embodiment, the access analysis is specifically:

[0222] An employee habit model is obtained;

[0223] For each material in the target area, the material placement duration is calculated:

[0224] ;

[0225] wherein, is the current time, is the placement time of the material;

[0226] The employee's taking records of the material in the target area after the material is placed are obtained:

[0227] ;

[0228] wherein, is all historical taking records of the material in the target area;

[0229] The employee's restocking records of the material in the target area after the material is placed are obtained:

[0230] ;

[0231] wherein, is all restocking records of the material in the target area;

[0232] A behavior judgment function is set to judge the influence of the employee's behavior on the material placement duration:

[0233] ;

[0234] wherein, indicates that the taking records are empty, indicates that the restocking records are empty;

[0235] If , it indicates that the material in the target area is not taken or replenished;

[0236] If , it indicates that there are taking or replenishing records of the material in the target area;

[0237] Through the material access judgment function, it is judged whether there is a long-time stored material in the target area:

[0238] ;

[0239] If If the target area has long-stored materials, the system will give a prompt and interference.

[0240] If the target area has no long-stored materials, the system will give an abnormal alarm.

[0241] The embodiment further provides that the employee habit model is specifically:

[0242] The position of the material taken by the employee at the time t is recorded as ;

[0243] The quantity of the material taken by the employee at the time t is recorded as ;

[0244] The restocking behavior of the employee at the time t is recorded as , such as the restocking quantity.

[0245] The time of the material taken by the employee after restocking is recorded as ;

[0246] The employee habit model is generated:

[0247] .

[0248] The embodiment further provides that the prompt and interference are specifically:

[0249] The data set of the employee taking habit is recorded as , and the data set of the employee taking habit includes the position, quantity and time of the material taken by the employee each time.

[0250] The position of the material taken by the employee each time is , the quantity of the material taken by the employee each time is , and the time of the material taken by the employee each time is .

[0251] The area of the target area in which the material is replenished is recorded as .

[0252] The area of the target area in which the material is not replenished is recorded as .

[0253] The distance from the area of the material not replenished to the position of the material taken by the employee according to the habit is calculated:

[0254] .

[0255] The priority investigation area is calculated:​​​​

[0256] ;

[0257] According to the conclusion of the employee on the inspection in the target area, a disturbance strategy function is set, the employee takes the habit at time T, and the corresponding measures are taken at a certain time T to disturb the employee's taking habit, so as to make the employee take the materials in each area more evenly:

[0258] ;

[0259] Among them, indicates adjusting the material placement position, that is, at time moving the materials frequently taken by the employee to a farther position, indicates setting a reminder mark, that is, at time setting a clear mark in the priority inspection area, indicates adjusting the replenishment strategy, that is, at time changing the replenishment time or quantity to guide the employee to take the materials in each area more evenly.

[0260] In this embodiment, the personnel are guided to gradually check the abnormal reasons, various factors are comprehensively considered, it is accurately judged whether the materials in the area are the same batch of materials, the material placement time is calculated and compared with the upper limit of the allowed placement time, the employee storage and taking habit model is analyzed, the materials stored for a long time are effectively identified, the employee storage and taking habit model is constructed, and the disturbance strategy is formulated according to the employee habit and the material storage condition, the employee's taking habit is disturbed when necessary, the employee is guided to take the materials in each area more evenly, the materials in some areas are avoided to be ignored and taken for a long time, and the overall material management and use efficiency is improved, and the risk of local material accumulation or deterioration is reduced.

[0261] The embodiment of the present disclosure also provides a non-transitory computer readable storage medium storing computer instructions for causing the computer to execute the storage security management method adapted to the production of triacetin in the foregoing method embodiment.

[0262] It should be noted that more specific examples of the computer readable storage medium can include portable computer disks, hard disks, erasable programmable read-only memories (E2PROM or flash memories), optical storage devices, magnetic storage devices, or any suitable combination of the above. In the present disclosure, the computer readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, device or apparatus, and the above computer readable medium can be included in the above electronic device; or can exist separately without being assembled into the electronic device.

[0263] The computer readable medium described above can bear one or more programs, when the one or more programs are executed by the electronic device, the electronic device can realize the scheme provided by the method embodiment.

[0264] Computer program code for carrying out operations of the present disclosure can be written in one or more programming languages or combinations of languages and can be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computer (for example, through the Internet using an Internet service provider).

[0265] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, material or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, material or equipment.

[0266] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the technical principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A storage safety management method adapted to triacetin production, characterized by: The method comprises the following steps: S1, obtaining concentration data in a target area; S2, if the concentration in the target area is normal, continue to obtain the concentration data in the target area; S3, if the concentration in the target area is abnormal, obtain the warehousing information of all materials in the target area; S4, if the warehousing information of all materials in the target area is consistent, perform diffusion analysis; S5, if the warehousing information of materials in the target area is inconsistent, perform access analysis; The diffusion analysis comprises the following steps: acquiring wind force data of the target region in the analysis period, denoted as ; determining whether the wind direction points to the target area through a wind determination function; ； wherein, is the current wind direction, is the position relationship of other areas relative to the target area; If then the wind direction is considered to point towards the target area; If then the wind direction is considered not to be directed at the target area; setting a diffusion determination function to determine whether the gas concentration in the target area is affected by diffusion; ； wherein, a gas concentration of other areas in the warehouse overall area excluding the target area; If then it is determined that the gas concentration of the target region is not affected by diffusion, and an abnormality alarm is performed; If , it is determined that the gas concentration of the target region is affected by diffusion, and all other regions in the warehouse region except the target region are determined as analysis regions. Traverse all analysis regions, for each analysis region, obtain a wind direction angle range corresponding to a position relationship of the analysis region relative to the target region to ; Acquiring gas concentration of analysis region ; setting a region determination function to determine whether the analysis region is a source region; ； The analysis region of is marked as a source of influence region; calculating the source region; ； wherein, denotes finding the input argument in a given set that maximizes some function; identifying the source region as the target region, and repeating steps S3-S5; The access analysis comprises the following steps: obtaining an employee habit model; calculating the material placement duration for each material in the target area; ； wherein, is the current time, is the placement time of the material; obtaining the employee's taking record of the materials in the target area after the materials are placed; ； wherein, all historical take records for the material within the target area; obtaining the employee's restocking record of the materials in the target area after the materials are placed; ； wherein, all replenishment records for the material within the target area; setting a behavior determination function to determine the influence of the employee's behavior on the material placement duration; ； wherein, indicates that the taking record is empty, indicates that the replenishment record is empty; If then it is an indication that the material in the target area has not been taken and replenished; If then it is noted that there is a record of removal or replenishment of material in the target area; determining whether there is a material stored for a long time in the target area through a material access determination function; ； If then it is determined that the target area contains long-stored material, and a prompt and interference are performed; If then it is determined that the target area does not have long-stored materials, and an abnormal alarm is given.

2. The storage safety management method adapted to triacetin production according to claim 1, characterized in that: The concentration data in the target area is obtained by the following steps: obtaining the overall region of the warehouse; dividing the overall region of the warehouse into a plurality of sub-regions according to the positions of the stored triacetin; identifying each sub-region as the target region; acquiring a gas concentration in the target region, denoted as ; setting a concentration determination function to determine whether the gas concentration in the target area is abnormal; ； wherein, is the upper limit of the normal gas concentration, is the lower limit of the normal gas concentration; If then the concentration in the target region is determined to be normal; If then the concentration in the target region is determined to be abnormal.

3. The storage safety management method adapted to triacetin production according to claim 1, characterized in that: The warehousing information of all materials in the target area is obtained by the following steps: acquiring the placement time of the first material in the target area, denoted as ; acquiring the placement time of the last material in the target area, denoted as ; calculating the actual average placement interval time in the target area; ； wherein, is the total quantity of material within the zone; calculating the normal average placement interval time; ； wherein, is a placement time of a second material within the target area, is a placement time of a third material within the target area; setting a time determination function to determine whether the average placement interval time is normal; ； wherein, is the allowed average placement time interval deviation threshold; If , it is determined that the material-inventory information in the target region is inconsistent. If then perform material gas analysis; extracting production data of all materials within the target area to form a set ; wherein, represents production data of the i-th material in the region, wherein, is the total number of materials in the region;​ calculating a unique production date set; ； determining whether the production data of the materials in the target area is consistent through a data determination function; ； If and the material in the target area is not called, it is determined that all the material in the target area is consistent with the warehouse information. If or the material in the target area has been called, it is determined that the material in the target area is inconsistent with the warehouse information.

4. The storage safety management method adapted to triacetin production according to claim 3, characterized in that: The material gas analysis comprises the following steps: obtaining a diffusion model; Obtaining a current time, denoted as , forming an analysis period ; determining whether the gas concentration in the target area decreases during the analysis period through a concentration analysis function; ； wherein is the gas concentration at time is the gas concentration at time is the gas concentration at time is the gas concentration at time If then it is indicated that the gas concentration in the target region is decreasing, and the concentration change is calculated: ； Extraction diffusion model in analysis period Within, normal gas diffusion causes concentration change amount: ； setting a change determination function to determine the reason for the decrease in the gas concentration; ； wherein is an error tolerance value for determining whether the difference between the actual measurement value and the model predicted value is within an acceptable range; If then it is determined that the material in the target area has not been called for; If then it is determined that the material in the target area has been called.

5. The storage safety management method adapted to triacetin production according to claim 4, characterized in that: The diffusion model comprises the following steps: obtaining different quantities of materials; obtaining different placement times; The rate of change of the gas concentration of the material over the time of placement is ; generating a diffusion data structure of each quantity of materials at each placement time; ； Each quantity is in turn identified as an initial quantity of material, denoted as ; Each of the quantities is in turn identified as a removed material quantity, denoted as ; The rate of change of the gas concentration of the removed amount of material at the placement time is recorded as ; generating a diffusion data structure of each initial quantity of materials after removing a certain quantity of materials at each placement time; 。 6. The storage safety management method adapted to triacetin production according to claim 1, characterized in that: The employee habit model comprises the following steps: Acquiring employee at time Position where material is taken, noted as ; Acquiring the number of materials taken by the employee at the time The number of materials taken, denoted as ; Obtaining the behavior of the employee in time to compensate, denoted ; Obtaining the time when the employee takes the material again after the replenishment, and recording as ; generating an employee habit model; 。 7. The storage safety management method adapted to triacetin production according to claim 1, characterized in that: The prompting and interference comprises the following steps: obtaining a data set of the employee's taking habits, denoted as ; wherein, a location where the employee took the material each time, a quantity of the material taken by the employee each time, a time when the employee took the material each time; determining a region in the target region where the material is replenished, denoted as ; determining a region in the target region in which material has not been replenished, denoted as ; calculating the distance from the area where the material is not replenished to the employee's habit taking position; ； calculating a priority investigation area; ； setting an interference strategy function according to the employee's inspection conclusion in the target area to interfere with the employee's habit taking mode at time T. ； wherein, represents adjusting the material placement position, i.e. at time moving the material frequently taken by the staff to a farther position, represents setting a reminder mark, i.e. at time setting a clear mark at the priority investigation area, represents adjusting the replenishment strategy, i.e. at time changing the replenishment time or quantity, guiding the staff to balance the taking.

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