CN115633086B - Chemical accident situation information distribution method and system - Google Patents
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Abstract
The invention relates to a chemical accident situation information distribution method and a system, which relate to the technical field of chemical accident situation information distribution and comprise the following steps: acquiring the type, position coordinates, situation state at the current moment and a plurality of situation information corresponding to the situation state of the rescue site chemical treatment unit; acquiring decision-making auxiliary information according to the type of the chemical treatment unit; the decision assistance information includes: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the importance of situation elements corresponding to the possible situation states; distributing the situation state at the current moment, a plurality of situation information corresponding to the situation state at the current moment and decision auxiliary information to a terminal decision user which meets preset conditions, namely, has the smallest distance from the chemical treatment unit, wherein the operational radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance between the terminal decision user and the chemical treatment unit. The invention considers the characteristics of the field of chemical accidents, thereby being applicable to emergency rescue of the chemical accidents.
Description
Technical Field
The invention relates to the technical field of chemical accident situation information distribution, in particular to a method and a system for distributing chemical accident situation information for terminal decision making requirements.
Background
Currently, about 676 chemical parks taking petrochemical industry and fine chemical industry as dominant chemical industry in China, large chemical parks, refining and integration projects and ultra-large petrochemical bases are on a first scale, and development is extremely rapid.
The terminal decision requirement refers to the fine-grained information requirement of situation awareness and inter-situation evolution rules of first-line commander at tactical execution layer on the key situation of chemical accident. As a terminal decision group of a complex chemical accident rescue scene, the timeliness and scientificalness of decision can determine success or failure of the whole rescue work, and the degree of dependence on disaster scene information is high. On the other hand, in the rescue scene of the heavy oversized industrial accident, the situation facing the same period may have significant difference due to the different geospatial environments of terminal decision groups, the important decision points and the information requirements of the terminal decision groups are also substantially different from those of other hierarchical command groups, and the current rough industrial accident emergency command information management mode cannot adapt to the emergency rescue requirements of the heavy oversized industrial accident. Therefore, the fine-grained information reconstruction and distribution method facing the terminal decision-making requirement is a key problem to be solved urgently in the current emergency rescue of chemical accidents.
In the rescue scene of the heavy chemical accident, the terminal decision users in different time-space environments have different urgency to situation information demands, and have specific requirements on time delay and reliability of information transmission. The key problems to be solved in the process of information distribution in the face of emergency rescue of serious and oversized chemical accidents mainly comprise classification and grading methods of field information, and information distribution rules and algorithm realization. The existing information distribution research is mainly focused on the fields of military operations and the Internet, and the distribution method comprises a distribution method based on a publish/subscribe mode and a distribution method based on active service/demand. The distribution method based on the publish/subscribe mode is mainly to carry out information matching and distribution by adopting a channel-based, body-based, content-based or type-based matching method according to the interests or personalized information requirements of users, and is a passive information distribution mode in fact. The information distribution method based on service/demand response is to construct a matching rule base with users according to the demands or service matters preset by the users in advance and selectively distribute the information with higher matching degree to different users. Thus, the method is effectively an active information distribution mode. However, the information distribution method in the fields of military operations and the Internet has essential differences from the chemical accident emergency decision command in the aspects of information classification composition, information acquisition and transmission modes, demand modes, situation understanding and perception application and the like, and is difficult to be directly applied to the chemical accident emergency rescue.
Disclosure of Invention
The invention aims to provide a chemical accident situation information distribution method and a chemical accident situation information distribution system.
In order to achieve the above object, the present invention provides the following solutions:
a chemical accident situation information distribution method comprises the following steps:
step 1, acquiring the type, position coordinates, situation state at the current moment and a plurality of situation information corresponding to the situation state of a rescue site chemical treatment unit; each situation information represents an element value of a situation element;
Step 2, acquiring decision auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the situation element importance corresponding to each possible situation state;
step 3, obtaining basic information of each terminal decision user; the basic information comprises user position coordinates;
Step 4, calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user;
Step 5, distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
Optionally, before step2, the method further includes:
and ordering the importance of the situation elements in any possible situation state of any type of chemical treatment unit.
Optionally, the calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user specifically includes:
and calculating the Euclidean distance between the chemical treatment unit and each terminal decision user by adopting the Euclidean distance method according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user.
Optionally, the situation state includes a tank seal ring fire, a tank full liquid surface fire, a tank attachment fire, a tank top explosion, a tank wall explosion, a tank boiling over, a tank splash, a flammable liquid pipe explosion, a flammable gas pipe explosion, a corrosive medium pipe explosion, a single-layer pipe gallery collapse, a multi-layer pipe gallery collapse, a reaction kettle explosion, a reaction tower explosion, a reflux tank explosion, a heat exchanger explosion, a heating furnace explosion, a high-place trickling fire, a ground trickling fire and an underground trickling fire.
Optionally, the situation elements include a diameter of the chemical treatment unit, a height of the chemical treatment unit, a type of the internal medium, a level of the internal medium, a temperature of the internal medium, a pressure of the internal medium, a combustion area of the medium, ambient weather environment information, and ambient geographical environment information.
Optionally, the chemical treatment unit comprises an inner floating roof storage tank, an outer floating roof storage tank, a fixed roof storage tank, a pressure storage tank, a low-temperature storage tank, a negative pressure pipeline, a low-pressure pipeline, a medium-pressure pipeline, a high-pressure pipeline, an ultrahigh-pressure pipeline, a reaction kettle, a reaction tower, a reflux tank, a heat exchanger and a heating furnace.
The invention also provides a chemical accident situation information distribution system, which comprises:
The chemical treatment unit information acquisition module is used for acquiring the type, the position coordinates, the situation state at the current moment and a plurality of situation information corresponding to the situation state of the rescue site chemical treatment unit; each situation information represents an element value of a situation element;
The decision-making auxiliary information acquisition module is used for acquiring decision-making auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the situation element importance corresponding to each possible situation state;
The terminal decision user information acquisition module is used for acquiring basic information of each terminal decision user; the basic information comprises user position coordinates;
the distance calculation module is used for calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user;
The information distribution module is used for distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
Optionally, the system further comprises a situation element importance ranking module; the situation element importance ranking module is used for ranking the importance of the situation elements in any possible situation state of any type of chemical treatment unit.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides a method and a system for distributing chemical accident situation information, which comprise the following steps: acquiring the type, position coordinates, situation state at the current moment and a plurality of situation information corresponding to the situation state of the rescue site chemical treatment unit; each situation information represents an element value of a situation element; acquiring decision-making auxiliary information according to the type of the chemical treatment unit; the decision assistance information includes: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the importance of situation elements corresponding to the possible situation states; acquiring basic information of each terminal decision user; the basic information includes user position coordinates; calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user; distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance between the terminal decision user and the chemical treatment unit. The method and the system for distributing the situation information of the chemical accident, provided by the invention, consider the characteristics of the field of the chemical accident, and are suitable for emergency rescue of the chemical accident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a chemical accident situation information distribution method provided in embodiment 1 of the present invention;
fig. 2 is a flowchart of a specific implementation of the chemical accident situation information distribution method provided in embodiment 1 of the present invention;
Fig. 3 is a block diagram of a chemical accident situation information distribution system provided in embodiment 2 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a chemical accident situation information distribution method and a chemical accident situation information distribution system.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment provides a chemical accident situation information distribution method, referring to fig. 1 and fig. 2, the method includes:
Step 1, acquiring the type, position coordinates, situation state at the current moment and a plurality of situation information corresponding to the situation state of a rescue site chemical treatment unit; each of the situation information represents an element value of a situation element.
Step 2, acquiring decision auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: and the possible situation states corresponding to the types of the chemical treatment units and the ranking of the importance of the situation elements corresponding to the possible situation states.
Taking a chemical treatment unit type medium-pressure pipeline as an example, possible situation states (namely the possible situation states) of the chemical treatment unit type medium-pressure pipeline are combustible liquid pipeline explosion, combustible gas pipeline explosion, corrosive medium pipeline explosion, single-layer pipeline collapse and multi-layer pipeline collapse, and are respectively represented by O 1、O2、…、On, and situation element sets corresponding to the possible situation states are respectively represented by D 1、D2、…Dn, so that the decision auxiliary information can be represented as
Taking the situation element set D 1 as an example, D 1＝[R1 R2 … Rf ], where R 1 R2 … Rf represents each situation element corresponding to the possible situation state O 1, and the order of R 1 R2 … Rf represents the importance level of the situation element in the possible situation state O 1.
The ordering of the situation elements in the set of situation elements corresponding to the different possible situation states is generally different.
It should be noted that, the possible situation states corresponding to the types of each chemical treatment unit and the importance degree of each situation element in the possible situation states are known. The importance level can be determined according to historical cases, which will be described in detail below.
Step 3, obtaining basic information of each terminal decision user; the basic information includes user position coordinates.
And 4, calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user.
Step 5, distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
After receiving the situation state at the current moment, a plurality of situation information corresponding to the situation state at the current moment and the decision-making auxiliary information, the terminal decision-making user can automatically judge what possible situation state the chemical treatment unit will change into according to the situation state at the current moment and the plurality of situation information corresponding to the situation state at the current moment, and then execute corresponding rescue operation based on the importance degree of each situation element corresponding to the possible situation state in the decision-making auxiliary information. For example, after the terminal decision-making user determines by himself, the chemical treatment unit is changed into a possible situation state of tank top explosion, so that the terminal decision-making user can refer to the importance degree ranking of each situation element corresponding to the possible situation state of tank top explosion in the decision-making auxiliary information, for example, the first-order terminal decision-making user is pressure, and the terminal decision-making user can perform corresponding rescue operation based on the element information of the pressure.
In this embodiment, step 1 specifically includes:
Step 11: establishing a set A i targeting a chemical treatment unit and a main situation state thereof; the target set A i is represented by a chemical treatment unit position information set P ij, a chemical treatment unit type set T mn and a situation state set S xy triplet, A i＝[Pi,Tmn,Sxy.
Wherein, the type T mn of the chemical treatment unit can be a storage tank T 1n, a pipeline T 2n and a chemical device T 3n; the types of chemical treatment units specifically include: an inner floating roof tank T 11, an outer floating roof tank T 12, a fixed roof tank T 13, a pressure tank T 14, a low-temperature tank T 15, a negative pressure pipeline T 21, a low pressure pipeline T 22, a medium pressure pipeline T 23, a high pressure pipeline T 24, an ultrahigh pressure pipeline T 25, a reaction kettle T 31, a reaction tower T 32, a reflux tank T 33, a heat exchanger T 34 and a heating furnace T 35. The position information of the ith chemical treatment unit is P i＝[pi,mi.
Step 12: the situation state set S xy is divided according to two levels: the first layer is divided into a storage tank fire S 1j, a storage tank explosion S 2j, a storage tank boiling over and splashing S 3j, a pipeline explosion S 4j, a pipe gallery collapse S 5j, a chemical device explosion S 6j and a ground dripping fire S 7j; the fire S 1j of the second-level storage tank is divided into a storage tank sealing ring fire S 11, a storage tank full-liquid-level fire S 12 and a storage tank accessory fire S 13; the storage tank explosion S 2j is divided into a tank top explosion S 21 and a tank wall explosion S 22; tank boil-off and splash are divided into tank boil-off S 31, tank splash S 32; the pipeline explosion S 4j is divided into a combustible liquid pipeline explosion S 41, a combustible gas pipeline explosion S 42 and a corrosive medium pipeline explosion S 43; the pipe gallery collapse S 5j is divided into a single layer pipe gallery collapse S 51 and a multi layer pipe gallery collapse S 52; the chemical device explosion S 6j is divided into a reaction kettle explosion S 61, a reaction tower explosion S 62, a reflux tank explosion S 63, a heat exchanger explosion S 64 and a heating furnace explosion S 65; the ground flowing fire is divided into a high flowing fire S 71, a ground flowing fire S 72 and an underground flowing fire S 73.
The situation elements in step 2 include the diameter of the chemical treatment unit, the height of the chemical treatment unit, the type of internal medium, the level of the internal medium, the temperature of the internal medium, the pressure of the internal medium, the area of combustion of the medium, the ambient weather environmental information and the ambient geographical environmental information.
The process of acquiring a plurality of situation information corresponding to the situation state in the step 1 is as follows:
Step 13: constructing a situation element set which aims at a chemical treatment unit and a situation state; representing the situation state S xy as a time-dependent set of variables X(t)＝[X1(t),X2(t),X3(t),X4(t),X5(t),X6(t),X7(t)、X8(t),X9(t),X10(t)];X1(t) as a type of chemical treatment unit; x 2 (t) is the diameter of the chemical treatment unit; x 3 (t) is the height of the chemical treatment unit; x 4 (t) is the type of internal medium; x 5 (t) is the level of the internal medium; x 6 (t) is the temperature of the internal medium; x 7 (t) is the pressure of the internal medium; x 8 (t) is the combustion area of the medium; x 9 (t) is ambient weather environment information; x 10 (t) is surrounding geographical environment information.
Step 14: constructing a semantic mapping relation between situation elements and situation states; the method comprises the steps of expressing a situation element set as a function f i＝[Sxy(t),Xi (t) related to a chemical treatment unit and a situation state thereof, wherein R is a certain degree of association between the situation element and the situation state, and the function f i is used, wherein R is an association relationship between the situation state and the situation element, S is S, X is X, if the association relationship exists between S and X, the situation element set is sRx, namely the situation state S has a demand relationship on the situation element X, and otherwise, the situation element set has no demand relationship; constructing a binary requirement relation between a situation state and the situation elements according to the situation element set proposed in the step 13; and carrying out semantic mapping on the situation elements and the situation states. The binary demand relationship of the situation state and the situation element is as follows in table 1:
TABLE 1 binary demand relationship of situation states and situation elements
From the above, several situation information corresponding to the situation state can be obtained. In the embodiment, equipment or a system such as unmanned aerial vehicle, infrared, remote sensing, video identification, DCS, SIS and the like is adopted to acquire a specific situation information value.
It should be noted that, the situation elements to be ordered in the step 2 do not include the type of the chemical treatment unit X 1 (t).
Step 15: the importance ranking of situation elements in any possible situation state of any type of chemical treatment unit can be performed as follows:
① Constructing situation information decision matrix
For any situation state and situation element set in step 14, p chemical accident history cases are set, each history situation state has q pieces of history situation information, and a situation information decision matrix (I ki)p×q
② Normalizing the situation information
Normalizing the historical situation information of different dimensions by using an extremum method
Wherein, I ki' is the history situation information after normalization processing, and I ki is the I-th history situation information of the k-th history case sample; z ki is the normalized variable value.
And calculating the entropy value of the ith historical situation information.
Wherein H i is the entropy value of the ith historical situation information,
③ Calculating the weight of situation information and grading
Calculating the weight omega of the ith situation information i
According to the weight omega i, the ranking of the importance of the situation elements in any possible situation state can be obtained.
The situation information is an element value of a corresponding situation element.
In this embodiment, the possible situation states corresponding to the types of the chemical treatment units in step 2, for example: the possible situation states corresponding to the inner floating roof tank T 11 are tank seal ring fire S 11, tank full liquid level fire S 12, tank attachment fire S 13, tank roof explosion S 21, tank wall explosion S 22, tank boil-over S 31, and tank splash S 32.
In this embodiment, the element assignment of the situation element is shown in table 2.
Table 2 assignment table of situation elements
Taking the example of explosion of the top of the internal floating roof gasoline storage tank V n with the volume of 5000m 3, the characteristic vector of the situation information at the moment t 1 of the chemical treatment unit can be expressed as V n(t1) = [ 14 2017 214 30 0.1 314 12 ]. In the emergency rescue process, situation information is continuously changed and needs to be continuously distributed to different decision groups, so that a situation information element digitization matrix of a single chemical treatment unit is constructed according to the mode and is stored in a database in a packet mode. The situation information element digitizing matrix is shown below.
In this embodiment, the basic information of the terminal decision user in step 3 further includes a user number and a user link communication address. And establishing a basic information set of a chemical accident rescue scene terminal decision group according to the basic information list of the single terminal decision user.
After the basic information of the terminal decision user is obtained, the information distribution rule between the chemical treatment unit and the terminal decision user is established, and the establishment process of the distribution rule is as follows:
Calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user, wherein the method specifically comprises the following steps:
and calculating the Euclidean distance between the chemical treatment unit and each terminal decision user by adopting the Euclidean distance method according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user.
The position coordinates of the rescue site terminal decision user U j (j=1, …, w) on the geographic space are expressed as U j＝[uj,vj, and the Euclidean distance method is utilized to calculate the Euclidean distance l ij between the j terminal decision user U j and the i chemical treatment unit P i as
① Constraint conditions: when the distance between the chemical treatment unit and the terminal decision user is smaller than or equal to the maximum protection radius R r of the terminal decision user vehicle equipment, the situation information of the P i is preferentially distributed to the U j user.
lmin＝minlij(pi,mi,uj,vj)≤Rr
② The constraint condition determining method comprises the following steps: is determined according to the minimum operational radius of a common high-spraying fire engine for suppressing petrochemical fire. The minimum operational radius of the 50m high-spraying vehicle is 44m, the minimum operational radius of the 60m high-spraying vehicle is 65m, and the minimum operational radius of the 72m high-spraying vehicle is 75m. The priority distribution mechanism of the terminal decision group information of different levels is determined according to the distance between the chemical treatment unit and the terminal decision user, and the information distribution priority mechanism is determined by comparing the distance with the minimum operational radius of the high-spraying fire truck. Because, in general, the end director is typically at or near the location of the fire vehicle equipment. The priority assignment mechanism is as follows:
r 1 =44 m, first tier users
R 2 =65m, second tier users
R 3 =75m, third tier user
Then, an information distribution management database based on a Map data model is established according to a hierarchical structure of a terminal decision user, a chemical treatment unit and situation information; the distribution management database comprises the number of the terminal decision user, the position information of the chemical treatment unit, the situation state, the situation information and the distribution rule.
The method provided by the embodiment has the following beneficial effects:
(1) The invention aims at a chemical accident emergency treatment unit and a key situation state, provides a mathematical method for describing association rules, information classification and classification between situation information and situation elements, provides a new thought for reconstructing a current chemical accident big data emergency command information system, and is suitable for chemical accident emergency rescue.
(2) The invention provides a mathematical model for describing a position information association rule and a spatial distance between a terminal command decision group and a chemical treatment unit, and accordingly provides a situation information priority distribution rule and algorithm of a distance matching mode, which can provide technical support for the deep development of an emergency command system of a current chemical park.
(3) The invention also carries out importance ranking of situation elements, and is suitable for terminal decision users with inexperienced experience.
Example 2
The embodiment provides a chemical accident situation information distribution system, referring to fig. 3, the system includes:
The chemical treatment unit information acquisition module T1 is used for acquiring the type, the position coordinates, the situation state at the current moment and a plurality of situation information corresponding to the situation state of the rescue site chemical treatment unit; each of the situation information represents an element value of a situation element.
The decision-making auxiliary information acquisition module T2 is used for acquiring decision-making auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: and the possible situation states corresponding to the types of the chemical treatment units and the ranking of the importance of the situation elements corresponding to the possible situation states.
The terminal decision user information acquisition module T3 is used for acquiring basic information of each terminal decision user; the basic information includes user position coordinates.
And the distance calculation module T4 is used for calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user.
The information distribution module T5 is used for distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
In this embodiment, the system further includes a situation element importance ranking module; the situation element importance ranking module is used for ranking the importance of the situation elements in any possible situation state of any type of chemical treatment unit.
In this specification, each embodiment is mainly described in the specification as a difference from other embodiments, and the same similar parts between the embodiments are referred to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. The method for distributing the chemical accident situation information is characterized by comprising the following steps of:
step 1, acquiring the type, position coordinates, situation state at the current moment and a plurality of situation information corresponding to the situation state of a rescue site chemical treatment unit; each situation information represents an element value of a situation element;
Step 2, acquiring decision auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the situation element importance corresponding to each possible situation state;
step 3, obtaining basic information of each terminal decision user; the basic information comprises user position coordinates;
Step 4, calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user;
Step 5, distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
2. The chemical accident situation information distribution method according to claim 1, further comprising, before step 2:
and ordering the importance of the situation elements in any possible situation state of any type of chemical treatment unit.
3. The method for distributing chemical accident situation information according to claim 1, wherein the calculating the distance between the chemical treatment unit and each of the terminal decision users according to the position coordinates of the chemical treatment unit and the user position coordinates of each of the terminal decision users specifically comprises:
and calculating the Euclidean distance between the chemical treatment unit and each terminal decision user by adopting the Euclidean distance method according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user.
4. The chemical accident situation information distribution method according to claim 1, wherein the situation states include a tank gasket fire, a tank full-liquid-surface fire, a tank attachment fire, a tank top explosion, a tank wall explosion, a tank boiling-over, a tank splash, a flammable liquid pipe explosion, a flammable gas pipe explosion, a corrosive medium pipe explosion, a single-layer pipe gallery collapse, a multi-layer pipe gallery collapse, a reaction kettle explosion, a reaction tower explosion, a reflux tank explosion, a heat exchanger explosion, a heating furnace explosion, a high-place sagging fire, a ground sagging fire, and an underground sagging fire.
5. The chemical accident situation information distribution method according to claim 1, wherein the situation elements include a diameter of a chemical treatment unit, a height of the chemical treatment unit, a type of an internal medium, a liquid level of the internal medium, a temperature of the internal medium, a pressure of the internal medium, a combustion area of the medium, surrounding weather environment information, and surrounding geographical environment information.
6. The chemical accident situation information distribution method according to claim 1, wherein the types of the chemical treatment units include an inner floating roof tank, an outer floating roof tank, a fixed roof tank, a pressure tank, a low-temperature tank, a negative pressure pipeline, a low-pressure pipeline, a medium-pressure pipeline, a high-pressure pipeline, an ultrahigh-pressure pipeline, a reaction kettle, a reaction tower, a reflux tank, a heat exchanger, and a heating furnace.
7. A chemical industry accident situation information distribution system, comprising:
The chemical treatment unit information acquisition module is used for acquiring the type, the position coordinates, the situation state at the current moment and a plurality of situation information corresponding to the situation state of the rescue site chemical treatment unit; each situation information represents an element value of a situation element;
The decision-making auxiliary information acquisition module is used for acquiring decision-making auxiliary information according to the type of the chemical treatment unit; the decision assistance information comprises: the possible situation states corresponding to the types of the chemical treatment units and the ranking of the situation element importance corresponding to each possible situation state;
The terminal decision user information acquisition module is used for acquiring basic information of each terminal decision user; the basic information comprises user position coordinates;
the distance calculation module is used for calculating the distance between the chemical treatment unit and each terminal decision user according to the position coordinates of the chemical treatment unit and the user position coordinates of each terminal decision user;
The information distribution module is used for distributing the situation state at the current moment, a plurality of pieces of situation information corresponding to the situation state at the current moment and the decision auxiliary information to terminal decision users meeting preset conditions; the preset conditions are as follows: the distance from the chemical treatment unit is the smallest, and the combat radius of the fire-fighting vehicle equipment where the terminal decision user is located is larger than the distance from the chemical treatment unit.
8. The chemical industry incident situation information distribution system of claim 7, further comprising a situation element importance ranking module;
the situation element importance ranking module is used for ranking the importance of the situation elements in any possible situation state of any type of chemical treatment unit.
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