CN101814167A - Method for processing data of oil products in refinery tank field - Google Patents

Abstract

The invention discloses a method for processing data of oil products in a refinery tank field. The refinery tank field comprises a plurality of oil tanks which are communicated with one another through pipelines, wherein valves for controlling flow are arranged on the pipelines. When oil products with specific capacity are stored, the method comprises the following steps of: (1) determining the number of stock tanks, the capacity of the stock tanks, pipelines and flow thereof which can meet the oil product storage requirement in the principle of minimum storage cost of all tanks and the principle of minimum operation cost of pipeline flow; (2) opening a corresponding valve to ensure that materials flows between a determined stock tank and an inlet and outlet pipeline thereof; and (3) acquiring the capacity of the stock tank and the pipeline flow to a database in real time, performing three-dimensional modeling on the stock tank and the pipeline in the refinery tank field, and reflecting the change process of real-time data in the database through movement of a texture picture until oil product storage is completed. By using the method, virtual reality technology is applied to oil product storage scheduling of the tank field, so that changes of input and output material and tank capacity of the tank field, transition and other operation can be performed again.

Description

A kind of method for processing data of oil products in refinery tank field

Technical field

The present invention relates to a kind of method for processing data of oil products in refinery tank field.

Background technology

The storage operation of oil refining enterprise tank field is carried out unified planning to various running steps in the automation process of tank field exactly, its fundamental purpose is exactly rationally to arrange the input and output of oil product and the storage of oil product, reaching making full use of and best economic benefit of resource, and guarantee the safe operation of whole tank field.Good blending scheduling can guarantee the stability and security operated, and produces tangible or invisible benefit, as the better utilization of full factory efficient, planned dispatching and management information system.Therefore, move method with the storage operation data, oil product is discussed is moved and store the implementation strategy of automated system, calculate the tangible benefit that material moves in the refinery Institute of Automation produces by analyzing oil product; Be exactly flexibility and the validity of studying the tank field management in addition, according to the needs of refinery, the oil supply plan that provides finally reaches the purpose that reduces oil tank management automation expense.For each jar, the behavior of oil product turnover jar is a continuous process, but advances a jar process for oil product each time, and perhaps oil product each time goes out a jar behavior, can take it is independently behavior in batches one by one as.

In the actual tank field memory scheduling process, may a kind of material relevant several jars, no matter how dispatch arrangement, all can not satisfy the demand in section sometime.For the demand and the interests in market, need other relevant jar in certain period, to use.Certain shared jar needs certain condition.At first, can store corresponding material for shared jar.Such as gasoline cistern can be used for storing diesel oil, but diesel fuel tank cannot be stored gasoline.Because each storage tank is not complete empty, unnecessary gasoline mixes with diesel oil in jar, can be used as diesel oil and sells.If but unnecessary diesel oil mixes with gasoline in the jar, be difficult to as gasoline sales.Secondly, this shared jar must be able to be available in a certain period, and promptly this jar must emptying before the corresponding moment.In addition, remove after this jar, the demand of production scheduling still can be satisfied in the tank field at place.

General some heuristic rules that adopt mainly are to conclude according to experience and the operating practice of dispatcher in the actual production process in the prior art.But objective inadequately and accurate, it is bigger influenced by human factor.

Summary of the invention

The purpose of this invention is to provide a kind of method for processing data of oil products in refinery tank field, to realize the control of tank field oil product storing process, moreover, in storing process, by the three-dimensional visualization mode, dynamically present in the different tank fields constantly the change procedure of material in each oil tank and pipeline.The tank field material balance be can monitor by the inventive method, jar memory space statistics and pipeline flow statistics carried out, for the business decision personnel provide effective support.

A kind of method for processing data of oil products in refinery tank field, described oil refining enterprise tank field comprises the oil tank that several are interconnected by pipeline, is provided with the valve of Control Flow on described pipeline, may further comprise the steps when carrying out the oil product storage of designated capabilities:

(1) according to minimum principle of all jars carrying cost and the minimum principle of pipeline flow running cost, determines to satisfy the head tank number of oil product storage demand, memory space, pipeline and the flow thereof of head tank;

(2) according to the result of step (1), open corresponding valve, material is flowed between definite head tank and the inlet and outlet piping thereof;

(3) in real time in the acquisition step (2) related head tank memory space and pipeline flow to database, head tank in the oil refining enterprise tank field and pipeline are carried out three-dimensional modeling, move the change procedure that reflects real time data in the database by texture picture, finish until the oil product storage.

In the step (1), establishing the interior total storage demand of certain oil product time N is NEED, at first utilizes the minimum principle of all jars carrying cost in batch of t=N T.T., and the memory space that calculating each head tank needs is NEED _iSuppose that each head tank i time N stored cost is CS _i, ST _iWhether i is selected for the expression head tank, and value is 0 or 1.That is:

$\min \underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{CS}}_i{\mathrm{NEED}}_i{\mathrm{ST}}_i$ (1)

$s.t.\underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{NEED}}_i{\mathrm{ST}}_i\≥\mathrm{NEED}$

(in 1≤t≤N), according to the minimum principle of all pipeline flow running costs, and the oil tank memory space satisfied NEED at per 1 hour time interval t then _i, calculate each feed pipe flow IN in each unit interval _{J, t}, discharge pipe flow OU _{J, t}, tank switching pipeline flow CX _{Y, t}, that is:

$\min \underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{CI}}_{j,t}{\mathrm{IN}}_{j,t}{\mathrm{SI}}_{j,t}+\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{CO}}_{j,t}{\mathrm{OU}}_{j,t}{\mathrm{SO}}_{j,t}+\underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{CS}}_{i,t}{Q}_{i,t}{\mathrm{ST}}_{i,t}+\underset{y=1}{\overset{X}{\mathrm{\Σ}}}{\mathrm{CX}}_{y,t}{\mathrm{IO}}_{y,t}{\mathrm{SX}}_{y,t}$

s.t.Q _i，t＝Q _i，t-1+IN _j，t-OU _j，t≤QMAX _i，i＝1，…K

$\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{IN}}_{j,t}\≤{\mathrm{QIN}}_t---\left(2\right)$

$\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{OU}}_{j,t}\≤{\mathrm{QOU}}_t$

Q _i，t≤NEED _i，i＝1，…K

Wherein, CI _{J, t}, CO _{J, t}, CS _{I, t}, CX _{Y, t}The running cost of representing feed pipe in the t time, discharge pipe, oil tank storage, tank switching pipeline respectively; J is the numbering of pipeline; I is the numbering of head tank; Y is the numbering of tank switching pipeline.P is feed pipe (or discharge pipe) quantity; X is the numbering of tank switching pipeline.

IN _{J, t}, OU _{J, t}, Q _{I, t}, IO _{Y, t}Represent feed pipe flow, discharge pipe flow, oil tank memory space, tank switching pipeline flow in the t time respectively;

SI _{J, t}, SO _{J, t}, ST _{I, t}, SX _{Y, t}Represent that respectively feed pipe in the t time, discharge pipe, oil tank are stored, whether the tank switching pipeline is selected, value is 0 or 1.

QMAX _i, QIN _t, QOU _tRepresent oil tank i storage maximal value, total feed, total load in the t time respectively.

In the step (3), when carrying out three-dimensional modeling, dynamic load such as drag:

Head tank model and liquid level model thereof, inlet and outlet piping model;

The liquid level gauge model.

In the step (3), when moving the change procedure that reflects real time data in the database by texture picture, the memory space data Q of all jars of current time in the reading database _r, at the liquid level of each jar calculating current time jar

The texture picture that will post expression oil product color then moves on to the P position of this jar liquid level node model in the three-dimensional model, wherein Q _MaxThe memory space maximal value of representing this jar;

The data on flows F of current time pipeline in the reading database _r,, calculate this pipe flow speed of current time at each pipeline

The speed that movement pipeline arrow texture picture in the three-dimensional model is set then is V, F _Max, V _MaxFlow maximal value and the flow velocity maximal value of representing this pipeline respectively.

When the inventive method is implemented, in order in the virtual reality three-dimensional scenic, to present the mobile change procedure of tank field material, at first in virtual refinery, set up jar and pipeline model thereof, set up the optimal Storage scheme according to different oil product storage demands then, produce jar memory space and pipeline flow data in the different batches, utilize virtual reality texture picture mobile technology to realize tank field oil product storage change process then.

The present invention is applied to tank field oil product memory scheduling with virtual reality technology, just can reproduce operations such as the variation of the turnover material of tank field and tankage size and tank switching.In virtual three-dimensional scenic, by designing tankage size and the pipeline flow data that the pairing simulation optimization model of different oil product storage schemes produces, and utilize the liquid level texture picture of oil tank inside and the various situations of change that the arrow translational speed is simulated the tank field, for oil refining enterprise tank field mixed scheduling provides effective support.

Beneficial effect of the present invention:

1) in refinery, passes through definite head tank and the pipeline thereof that needs of the minimum principle of oil tank carrying cost and pipe operations cost, utilize oil tank level and pipeline arrow to move to present tank field oil product memory scheduling situation, for the scheduling simulation and the optimization of oil refining enterprise production executive system layer provides decision support.

2) can carry out production data and add up, comprise jar memory space statistics and pipeline flow statistics, generate statistical graph and form, be convenient to the integrated analysis of company information, the decision-making of managing for the enterprise tank field provides effective support.

3) man-machine interaction.The user can be provided with the operation of order parameter control oil product storage optimization model on platform, present the change procedure of production batch, helps to deepen understanding and understanding true to nature intuitively to oil product storing process essence.

Description of drawings

Fig. 1 is the process flow diagram of method for processing data of oil products in refinery tank field of the present invention;

Fig. 2 is tank field oil product jar memory space and a pipeline flow display interface in the refinery;

Fig. 3 is a liquid level gauge display interface in tank field in the refinery;

Fig. 4 is jar memory space statistics interface in the refinery;

Fig. 5 utilizes the texture mobile technology to realize the principle schematic that oil tank level changes;

Fig. 6 is numbered the oil tank jar storage change data of TK317 in the section sometime;

Fig. 7 is numbered the feed pipe 26 fluctuations in discharge data of the oil tank of TK317 in the section sometime;

Fig. 8 is numbered the discharge pipe 28 fluctuations in discharge data of the oil tank of TK317 in the section sometime;

Fig. 9 is numbered the oil tank jar storage change data of TK308 in the section sometime;

Figure 10 is numbered the feed pipe 9 fluctuations in discharge data of the oil tank of TK308 in the section sometime;

Figure 11 is numbered the discharge pipe 12 fluctuations in discharge data of the oil tank of TK308 in the section sometime;

Figure 12 is numbered the oil tank jar storage change data of TK316 in the section sometime;

Figure 13 is numbered the feed pipe 21 fluctuations in discharge data of the oil tank of TK316 in the section sometime;

Figure 14 is numbered the discharge pipe 23 fluctuations in discharge data of the oil tank of TK316 in the section sometime.

Embodiment

Referring to Fig. 1, the inventive method is at first set up when implementing about the different oil tank in refinery tank field and the three-dimensional model of inlet and outlet piping thereof, sets up being connected of virtual reality system steering order and database, so that the man-machine interaction of virtual reality system.Then under certain oil product storage demand according to the minimum principle of jar carrying cost and pipe operations cost, determine corresponding head tank and pipeline, time section and oil product quantity can be set, satisfy different actual demands.Next utilize the texture picture of virtual reality to move the liquid level change of realization jar memory capacity and the variation of pipeline flow, flow is big, and then flow velocity is fast.Read the current emulation capacity data Q of jar constantly _r, the liquid level (number percent) of calculating current time jar

The texture picture that will post expression oil product color then moves on to the P position of oil tank level node model, and the liquid level of seeing oil tank like this in the virtual reality three-dimensional scenic is just in the P position of whole tank elevation.Read the current emulation data on flows F of pipeline constantly _r, calculate the current time pipe flow speed

The speed that movement pipeline arrow texture picture is set then is V.Q wherein _Max, F _Max, V _MaxRepresent oil tank storage maximal value, pipeline flow maximal value, pipe flow speed maximal value respectively.

The texture picture mobile technology is to be used for one of technology the most successful in the computer graphics.It can increase the authenticity of drawing image and improve richness, does not influence their basic geometry complexity again.Refinery belongs to flow process enterprise, from crude oil enter factory, device is produced product export, most of material all is to be in mobile state.Therefore will show oil refining enterprise Flow of Goods and Materials information in the virtual reality three-dimensional scenic, adopting the texture mobile technology is a kind of feasible method.At first stick a texture picture, reach the situation of change of Flow of Goods and Materials then by the effect of mobile texture picture, as shown in Figure 5 in the inner liquid level mold surface of oil tank.

In the virtual reality three-dimensional scenic, dynamically present tank field storage change process then, carry out jar storage change statistics and pipeline flow statistics, derive statistics and form, for the decision optimization of enterprise's production executive system layer provides support.

The purpose of oil product storage be exactly in the certain hour section certain oil product demand given, change by corresponding jar of inlet and outlet piping material of optimal control, make the total storage capacity of interior these head tanks of final time section satisfy the demands, and wish the running cost minimum.

A period of time N=97h oil product (gasoline) needs 5000 tons in the example application.The gasoline tank field has 10 jars, 40 pipelines, and each jar all has 2 feed pipes and 2 discharge pipes, and jar with the pipeline annexation is:

The jar numbering	The feed pipe numbering	The discharge pipe numbering	Carrying cost/unit of oil tank unit	The jar numbering	The feed pipe numbering	The discharge pipe numbering	Carrying cost/unit of oil tank unit
								??TK306	??1，2	??3，4	??2	??TK316	??21，22	??23，24	??1.5
??TK307	??5，6	??7，8	??1.7	??TK317	??25，26	??27，28	??0.5
								??TK308	??9，10	??11，12	??1.5	??TK318	??29，30	??31，32	??1.9
??TK309	??13，14	??15，16	??1.9	??TK319	??33，34	??35，36	??2.2
								??TK310	??17，18	??19，20	??2.5	??TK320	??37，38	??39，40	??2.1

Pipeline unit interval specific discharge running cost:

Pipe number	Running cost/unit	Pipe number	Running cost/unit	Pipe number	Running cost/unit	Pipe number	Running cost/unit
								??1	??1.9	??11	??1.8	??21	??2.2	??31	??2.1

Pipe number	Running cost/unit	Pipe number	Running cost/unit	Pipe number	Running cost/unit	Pipe number	Running cost/unit
								??2	??2.1	??12	??1.7	??22	??2.3	??32	??2.5
??3	??1.8	??13	??1.8	??23	??2.5	??33	??2.7
								??4	??2.3	??14	??1.9	??24	??2.8	??34	??2.5
??5	??2.5	??15	??2.3	??25	??2.5	??35	??2.2
								??6	??2.3	??16	??2.9	??26	??1.5	??36	??2.4
??7	??2.1	??17	??2.3	??27	??2.1	??37	??2.5
								??8	??1.9	??18	??2.2	??28	??1.2	??38	??2.3
??9	??1.5	??19	??2.1	??29	??1.8	??39	??2.6
								??10	??1.9	??20	??1.9	??30	??2.1	??40	??2.2

Minimum and the minimum principle of pipe operations cost according to the jar carrying cost, definite head tank is TK317, TK308, TK316; The pipeline of determining is 26,28,9,12,21,23; Total cost is 117926.9 yuan.Wherein jar memory space and pipeline flow delta data are shown in Fig. 6～14.

In the refinery three-dimensional scenic, dynamically present tank field oil product storage change process.As shown in Figure 2, be tank field oil product jar memory space display interface, jar liquid level lifting has reflected the variation of jar memory space.The pipeline arrow moves the variation that has reflected flow, and flow is big, and then flow velocity is fast.Panel board scale and digital supervision jar memory space and pipeline flow real-time change information.As shown in Figure 3, be tank field liquid level gauge display interface.Red cylinder communicates with internal liquid in the liquid level gauge, and the scale indication on corresponding next door has reflected the liquid level height of current time.As shown in Figure 4,, can generate statistical graph and form, help oil refining enterprise production scheduling personnel's the information decision and the material balance of full factory, improve enterprise's production efficiency of operating according to different statistical query conditions for the jar memory space changes the statistics interface.

Claims (5)

1. method for processing data of oil products in refinery tank field, described oil refining enterprise tank field comprises the oil tank that several are interconnected by pipeline, on described pipeline, be provided with the valve of Control Flow, it is characterized in that, may further comprise the steps when carrying out the oil product storage of designated capabilities:

(1) according to minimum principle of all jars carrying cost and the minimum principle of pipeline flow running cost, determines to satisfy the head tank number of oil product storage demand, memory space, pipeline and the flow thereof of head tank;

(2) according to the result of step (1), open corresponding valve, material is flowed between definite head tank and the inlet and outlet piping thereof;

(3) in real time in the acquisition step (2) related head tank memory space and pipeline flow to database, head tank in the oil refining enterprise tank field and pipeline are carried out three-dimensional modeling, move the change procedure that reflects real time data in the database by texture picture, finish until the oil product storage.

2. method for processing data of oil products in refinery tank field according to claim 1 is characterized in that, at the T.T. of storage N, the minimum principle of described head tank carrying cost is expressed as:

$\min \underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{CS}}_i{\mathrm{NEED}}_i{\mathrm{ST}}_i$

$s.t.\underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{NEED}}_i{\mathrm{ST}}_i\≥\mathrm{NEED}$

In the formula: NEED _iBe the memory space that head tank i needs, K is the quantity of head tank; NEED is total oil product storage demand; ST _iWhether i is selected for the expression head tank, and value is 0 or 1; CS _iBe the carrying cost of head tank in the T.T. of storage N.

3. method for processing data of oil products in refinery tank field according to claim 2 is characterized in that, in time t hour, described pipeline flow operation with the minimum principle of carrying cost is:

$\min \underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{CI}}_{j,t}{\mathrm{IN}}_{j,t}{\mathrm{SI}}_{j,t}+\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{CO}}_{j,t}{\mathrm{OU}}_{j,t}{\mathrm{SO}}_{j,t}+\underset{i=1}{\overset{K}{\mathrm{\Σ}}}{\mathrm{CS}}_{i,t}{Q}_{i,t}{\mathrm{ST}}_{i,t}+\underset{y=1}{\overset{X}{\mathrm{\Σ}}}{\mathrm{CX}}_{y,t}{\mathrm{IO}}_{y,t}{\mathrm{SX}}_{y,t}$

s.t.Q _i，t＝Q _i，t-1+IN _j，t-OU _j，t≤QMAX _i，i＝1，…K

$\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{IN}}_{j,t}\≤{\mathrm{QIN}}_t$

$\underset{j=1}{\overset{P}{\mathrm{\Σ}}}{\mathrm{OU}}_{j,t}\≤{\mathrm{QOU}}_t$

Q _i，t≤NEED _i，i＝1，…K

In the formula: 1≤t≤N; C _{J, t}, CO _{J, t}, CS _{J, t}, CX _{Y, t}Represent the specific discharge running cost of feed pipe in the t time, discharge pipe, oil tank storage, tank switching pipeline respectively, j is the numbering of pipeline; I is the numbering of head tank; Y is the numbering of tank switching pipeline.P is the quantity of feed pipe or discharge pipe; X is the numbering of tank switching pipeline;

IN _{J, t}, OU _{J, t}, Q _{I, t}, IO _{Y, t}Represent feed pipe flow, discharge pipe flow, oil tank memory space, tank switching pipeline flow in the t time respectively;

SI _{J, t}, SO _{J, t}, ST _{I, t}, SX _{Y, t}Represent that respectively feed pipe in the t time, discharge pipe, oil tank are stored, whether the tank switching pipeline is selected, value is 0 or 1;

QMAX _i, QIN _t, QOU _tRepresent oil tank i storage maximal value, inlet amount, load in the t time respectively.

4. method for processing data of oil products in refinery tank field according to claim 1 is characterized in that, when carrying out three-dimensional modeling, and dynamic load such as drag:

Head tank model and liquid level model thereof, inlet and outlet piping model;

The liquid level gauge model.

5. method for processing data of oil products in refinery tank field according to claim 1 is characterized in that, when moving the change procedure that reflects real time data in the database by texture picture, and the memory space data Q of all jars of current time in the reading database _r, at the liquid level of each jar calculating current time jar

The texture picture that will post expression oil product color then moves on to the P position of this jar liquid level node model in the three-dimensional model, wherein Q _MaxThe memory space maximal value of representing this jar;

The data on flows F of current time pipeline in the reading database _r,, calculate this pipe flow speed of current time at each pipeline

The speed that movement pipeline arrow texture picture in the three-dimensional model is set then is V, F _Max, V _MaxFlow maximal value and the flow velocity maximal value of representing this pipeline respectively.

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