JP2006330887A - Plant equipment layout design system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem in an equipment layout design system for a plant consisting of a plurality of floors by three-dimensional CAD wherein vertical equipment position adjustment is troublesome. <P>SOLUTION: A reference layout rule database predetermining positions on a three-dimensional space of equipment constituting the plant is stored in an arithmetic processor. Plant basic plan information such as plant output, height of each floor, equipment configuration and building dimension is inputted to the arithmetic processor. A basic coordinate system is set on the three-dimensional space based on information for standard structural materials contained in the plant basic plan information. According to the reference layout rule, equipment/piping/passage and a software volume of each floor are set as equipment layout positions on the coordinate system to form an equipment layout design drawing. According to this, even a less experienced person can easily perform equipment layout design while hardly causing interferences. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a plant equipment layout design system that uses a three-dimensional CAD (Three Dimensions Computer Aided Design) to perform equipment layout design of a plant having a plurality of floors by three-dimensional space allocation.

  In plant equipment layout design, in general, using a preceding plant plan information similar to the specification of a target plant, correction is repeated and a design drawing that finally satisfies customer requirements is created. In this case, in a plant composed of a plurality of floors, there is a difficulty that not only a horizontal device arrangement / connection plan but also a vertical device arrangement / connection plan must be considered. In view of the above, a system for designing a device arrangement of a plant using a three-dimensional CAD has been proposed (see, for example, Patent Document 1).

JP-A-6-309418 (Abstract)

  In Patent Document 1, a two-dimensional or horizontal device arrangement plan is created, and the devices and pipes in the vertical direction are connected according to the connection rules prepared in advance, and finally the device arrangement is three-dimensionally. Is going. However, with this type of method, there is a concern that it generally takes time to adjust the position of equipment and piping in the vertical direction, and interference between piping and plant equipment tends to occur. When interference occurs between pipes and plant equipment, a reverse design of pipes, beams, equipment, etc. occurs during actual installation work.

  In business including plant design / procurement / construction, the problem of reverse design is a major obstacle because it leads to an increase in work processes. Specifically, position adjustment and equipment change due to equipment interference, and additional work such as material procurement / construction work / floor rearrangement, resulting in an increase in final cost until the plant is completed, Delay occurs.

  An object of the present invention is to solve the problem that it takes time to adjust the position in the vertical direction in the equipment layout design of a plant composed of a plurality of floors by three-dimensional CAD.

  The present invention stores a reference placement rule database in which the positions of equipment constituting a plant in a three-dimensional space are determined in advance in an arithmetic processing unit, and a plant basic plan such as plant output, height of each floor, equipment configuration and building dimensions. Enter the information, set the reference coordinate system in the three-dimensional space based on the standard structural material information included in this plant basic plan information, There is a plant equipment arrangement design system in which a virtual space of each passage and each floor is installed as an equipment placement position on the coordinate system to perform equipment placement design.

  In the present invention, devices, piping, passages, and virtual spaces (hereinafter referred to as soft volumes) of each floor are directly assigned to a three-dimensional space, so that it is easy to adjust the position of equipment / piping connections in the vertical direction. effective.

  The present invention is suitable for initial device layout design of a plant having a plurality of floors. The design system of the present invention creates a reference arrangement rule in which the arrangement of each hierarchy is ruled in advance, reflecting past cases and the knowledge of skilled engineers, and in accordance with this, a soft volume of equipment, piping, floor, etc. Since the devices are automatically arranged, interference between devices is less likely to occur. For this reason, it is possible to prevent the backward design from occurring in the subsequent production design drawing.

  The plant equipment arrangement design system of the present invention preferably has functions or databases as shown in the following (1) to (7).

  (1) Function for inputting plant type, manufacturing capacity, number of floors, floor height, equipment configuration, building dimensions, etc. through the input screen of the arithmetic processing unit, preceding results design information, similar preceding machine design examples, equipment connection information and equipment A function that automatically selects equipment, piping, passages, and soft volumes for each floor, based on pre-established placement rules, by selecting maintenance information. Thereby, the knowledge of the skilled engineer can be reflected in the equipment arrangement plan of the target plant.

  (2) A function for selecting and selecting input conditions as a menu. As a result, for example, an appropriate arrangement plan reflecting the plant site area, production capacity (processing capacity, power generation output, etc.), plant type (power generation, oil refining, chemicals, etc.), customer requirement specifications, etc. can be implemented.

  (3) A function for selecting a similar preceding machine design example, and a function for displaying a plurality of examples for each layer and simultaneously writing information on a person in charge of design and related persons, customer complaints after the start of operation, and the like. Thereby, when an engineer with little experience implements an arrangement plan, it is possible to effectively use information from the preceding case and the skilled engineer in the related department.

  (4) A reference arrangement rule database in which arrangement information for each hierarchy of a plurality of patterns is ruled in advance. An extraction function that extracts the location information closest to the specifications of the target plant from this reference location rule database. A database that stores design history and customer information as attribute data of information extracted by this extraction function. A function of inputting a piping / wiring connection point of each floor information selected by the extraction function. A database that manages equipment information across multiple floors within the target plant equipment. A function for adjusting the device position of each floor arrangement information extracted based on the device information management database across multiple floors. A database that manages the location information history corrected by the device position adjustment function. A function to create an initial plan drawing based on information in the arrangement information history management database. By including these, it is possible to effectively utilize the arrangement information of the preceding plant and implement a new arrangement plan.

  (5) A database in which arrangement rules corresponding to the attributes of each device are set in advance. By having this database, it becomes possible to automatically dispose the disassembly / assembly space of the large auxiliary machine at the adjacent position, and to arrange the operation / maintenance floor of the adjusting valve assembly portion and the disassembly upper space.

  (6) Soft volume interference check function. More preferably, a function of disclosing interference information of this interference check function and a function of managing a correction history of arrangement data adjusted automatically or manually. By these, it is possible to avoid the occurrence of equipment / structure material interference in actual plant installation.

  (7) A function of automatically changing according to a preset position adjustment rule. As a result, even a technician with different experience can implement a standard plant layout plan.

  The plant equipment layout design system of the present invention is not limited to equipment layout design of a power plant, which will be described later, but equipment that is placed across multiple floors, such as various manufacturing plants and chemical plants, and equipment incidental to the equipment. It can be applied as an arrangement design system.

  Hereinafter, although the case where this invention is applied to the equipment arrangement design of a thermal power plant is demonstrated, this invention is not limited to a following example.

  FIG. 1 is a process outline diagram of the present invention. The flow of processing in this embodiment will be described below.

  In the case of equipment layout design of a thermal power plant, the plant basic plan information 1 includes, for example, the plant output, the number of burner stages into which coal is introduced into the boiler, the number of floors of the boiler composed of a plurality of floors, the height of each floor, etc. To the arithmetic processing unit 2. The arithmetic processing unit 2 stores a placement rule database 3 in which positions in a three-dimensional space such as equipment and piping constituting the plant are determined in advance, and using an input / output part and an edit part described below, Outputs the allocation plan information of the target plant.

  When the arithmetic processing unit 2 is executed, the basic platform 5 included in the arithmetic processing unit internal configuration 4 is activated. With the basic platform 5 as the center, the basic specification input 6, the hierarchy information input 7, and the equipment specification input 8 are selected and activated, and the plant basic plan information 1 is input.

  Next, three-dimensional CAD data corresponding to the first version of the plant equipment arrangement plan is created by the arrangement plan execution 101 and the floor arrangement execution 102 and input to the determiner 104. The determination device 104 determines interference between devices to be arranged or between the device and a structural material such as piping, wiring, and passage, and outputs 105 as CAD information if no interference occurs.

  On the other hand, when the occurrence of interference is recognized, a report of the occurrence location and object information is presented, and the report is returned to the rule base editing 103 connected to the basic platform. In the rule base editing 103, the arrangement rule of the device to be edited is displayed on the screen of the arithmetic processing unit 2 and rewritten on the screen to avoid interference and to construct the plant arrangement plan again.

  Here, in the arrangement plan execution 101, for example, equipment that needs to be installed at the same position from the ground floor to the top floor, such as an elevator or an open hatch, is set as the highest-priority arrangement condition, and the main equipment and the corresponding maintenance are sequentially performed Arrange the space.

  In the following, a detailed description of a man-machine interface suitable for carrying out each function shown in FIG. 1 will be given with reference to FIGS.

  FIG. 2 shows an overview of the basic platform. The basic platform screen 9 displays a screen selection function and other information for performing functions such as basic specification input, hierarchical information input, and device specification input shown in FIG. In FIG. 2, as a selection function, a basic specification input screen selection function 10, a hierarchical information input screen selection function 11, an equipment specification input screen selection function 12, an initial arrangement plan execution screen selection function 13, a floor installation adjustment screen selection function 14, A creation data output screen selection function 15, an arrangement rule editing screen selection function 16, and an arrangement plan evaluation screen selection function 17 are provided. In addition, as other information displays, a use manual link screen 18, a question database link screen 19, and a related person contact screen 20 are provided.

  On the use manual link screen 18, an item of each selection function can be selected by a cursor or the like, and a screen of the selected item and an operation method such as input are presented by a sentence or a chart. The question database link screen 19 presents version information, Q & A history information, etc. of the plant equipment arrangement plan constructed by the present invention. In the related person communication screen 20, contact information of a manager of a plant equipment arrangement plan constructed by the present invention, a designer who is actually in charge, a mailing list, and the like are presented.

  FIG. 3 shows an example of a screen linked by the basic specification input screen selection function 10 in FIG. In the basic specification input screen 21, a similar plant data shooting condition input field 22, a constraint condition input field 23, and a selection data display field 24 are set.

  The similar plant data shooting condition input field 22 will be sequentially described. As the dimension reference item, “inch” or “meter” can be selected. As the customer specification search item, a specification written in advance as electronic data can be selected. In the site area item, the site size of the plant can be input in “feet” or “meter”. In the plant type item, for example, an A type (Benson type boiler), a B type (through-flow boiler), or the like can be selected. As the operation condition item, for example, “subcritical” or “supercritical” can be selected as the generated steam condition. As the output item, for example, the power generation capacity of the target plant can be input as “MW” or “kW”. The similar pre-paid plant 3D data selection item can select the preceding machine information that has been converted into electronic data or three-dimensional data in advance.

  The constraint condition input field 23 will be described sequentially. The elevator position item can set the left and right positions of the boiler body. For simplicity, the boiler is described as a can, and the installation position of the steam turbine is defined as the front side. In the mill position item, a mill position for pulverizing coal can be set in front or aside. The ash carry-out direction item can set the direction in which ash generated after combustion is carried out from the boiler building. The items of main staircase positions X and Y can set the staircase positions installed from the ground floor to the top floor. In the head clearance item, the height condition of the sidewalk to be arranged on each floor can be set.

  The selection data display column 24 will be described sequentially. The selected data display part can display the specifications selected by the customer specification search item in the similar plant data shooting condition input field 22. The selected 3D data display part can display the three-dimensional data selected in the similar paid plant 3D data selection item in the similar plant data shooting condition input field 22.

  Furthermore, the following processing can be executed for information input or set on the basic specification input screen 21 by each function displayed at the bottom of the basic specification input screen 21. The input data confirmation function 25 can confirm the set value on the basic specification input screen 21. The input data editing function 26 can re-input each set information. The platform call function 27 can return to the basic platform screen 9. Note that an input data confirmation function 25, an input data editing function 26, and an input data editing function 27 are also displayed on each screen described below so that the same processing can be performed.

  FIG. 4 shows a screen example linked by the hierarchical information input screen selection function 11 in FIG. In the hierarchical information input screen 28, an initial setting input function 29, a similar delivered plant selection function 30, a hierarchical information input function 31, and an input information confirmation function 32 are set.

  In the initial setting input function 29, the floor number, the number of vertical stages of the burner for putting the pulverized coal into the can, and the soot blower for removing the ash adhering to the heat transfer pipe installed in the can ( The number of vertical steps of (S / B) and the number of vertical steps of the wall blower (W / B) for removing ash adhering to the walls in the can can be set. The similar delivered plant selection function 30 presents the delivered plant information stored in advance in a database, and can select information on the site closest to the conditions such as the number of stages of the burner, soot blower, and wall blower described above. In each hierarchical information input function 31, the dimension (floor height) for each floor can be set directly. In the input information confirmation function 32, for example, an entire image to which discrimination information of the main floor that is the elevator stop floor and other intermediate floors is added can be displayed on the side view of the plant.

  FIG. 5 shows an example of a screen linked by the device specification input screen selection function 12 in FIG. The device specification input screen 33 is provided with a device-specific information input function 34. The input items of the device-specific information input function 34 include a preset device type number, a device name corresponding to the device type number, supplementary explanation information, adoption information at the target plant, and number information when adopted. The manufacturer information of the target device, the capacity information such as the output / specification of the device, and the remark information describing the matters to be sent to the department in charge of procurement are set. Furthermore, an additional input function required when adopting a new device is set.

  FIG. 6 shows an example of a screen linked by the initial arrangement plan execution screen selection function 13 in FIG. The arrangement plan execution screen 35 includes an execution start function 36, a hierarchy input result display function 37, a basic arrangement plan information display function 38, an equipment software volume arrangement result display function 39, and a soft volume arrangement result display function 40 such as piping. And a soft volume interference check result display function 41, each floor arrangement result display function 42, and an evaluation function information display function 43.

  The execution start function 36 executes processing described in items A to G described below.

  A: Based on the reference steel data selection function of a plurality of candidate plants satisfying the preset plant and the setting condition selected by the similar plant data shooting condition input field 22 shown in FIG. 3, and the steel data selected by this function In addition, a process of setting a reference coordinate system on the three-dimensional space is executed.

  B: The steam can placement data in which rough placement information including the can placement is described is read, and a process of superimposing it on the reference coordinate system set in A is executed.

  C: A process of setting a soft volume, in which a space is set in consideration of disassembly / installation in advance, as a device placement position on the reference coordinate system according to a placement rule is executed.

  D: A process of installing a soft volume suitable for laying a large-diameter pipe and an instrumentation cable / duct on a reference coordinate system in accordance with an arrangement rule is executed.

  E: A process for checking the presence or absence of interference between the soft volumes installed by the processes of C and D and the steel structure as the main structural material is executed.

  F: The floor adjustment process described in detail in FIG. 7 is executed.

  G: A process of evaluating the validity of the soft volume set by the processes of C and D according to an evaluation function selected in advance is executed.

  The results obtained by the above processes A to G are saved as a file. The arrangement plan execution screen 35 is provided with a function for performing this storage process.

  As functions for displaying the execution results of the above-described processes A to G, A is a hierarchical input result display function 37, B is a basic arrangement plan information display function 38, and C is an equipment soft volume arrangement result display. Functions 39 and D are provided with a soft volume arrangement result display function 40 such as piping. Further, a soft volume interference check result display function 41 is installed at E, an individual floor arrangement result display function 42 is installed at F, and an evaluation function information display function 43 is installed at G. As an evaluation function of the evaluation function information display function 43, for example, when the total volume of the soft volume arranged by the above-described processing is minimized, the empty space obtained by subtracting the soft volume volume from the entire volume of the target plant is minimized. In this case, it is possible to display appropriate arrangement plan information such as a case where the degree of congestion that the equipment and the piping space occupy on an arbitrary space is minimized.

  FIG. 7 shows an example of a screen linked by the floor arrangement adjustment screen selection function 14 in FIG. The floor arrangement adjustment screen 44 is provided with an execution start function 45, an execution step display function 46, and a floor arrangement result display function 47.

  The execution start function 45 executes processes described in the following AA, C, D, BB, E, CC, and DD.

  AA: A process of placing temporary floors on the entire floors set by the hierarchical information input screen selection function 11 is executed.

  C: A process of superimposing the equipment soft volume arrangement information arranged by the initial arrangement plan execution screen selection function 13 on the temporary floor. In addition, when the device software volume is arranged over a plurality of floors, a process of setting an open portion in the temporary floor portion with a clearance suitable for each device is executed.

  D: A process of superimposing the soft volume arrangement information corresponding to the pipe, air duct and cable / duct arranged by the initial arrangement plan execution screen selection function 13 on the temporary floor is executed. In addition, when the soft volume is arranged over a plurality of floors, a process of setting an open portion in the temporary floor portion with a clearance suitable for each device is executed.

  BB: A process of arranging the main walk in consideration of the head clearance arranged by the basic specification input screen selection function 10 is executed.

  E: A process of checking for the occurrence of interference between the soft volumes installed by the processes of C, D, and BB and the steel structure as the main structural material is executed.

  CC: A process for superimposing the data selected in the similar plant data shooting condition input field 22 on the temporary floor portion data obtained by the above-described processes AA, C, D, BB, and E is executed.

  DD: Display the overlapping condition part between the temporary floor part and the similar can floor part by the process of CC, and execute the process of deleting the unnecessary part automatically or manually.

  An execution step display function 46 and a floor arrangement result display function 47 are provided as functions for displaying the execution results of the above AA, C, D, BB, E, CC, and DD. The execution step display function 46 displays the processing algorithms AA, C, D, BB, E, CC, and DD described above, and the current floor layout status is displayed on each step display screen according to the progress of the processing. The function to instruct is included. Further, the floor arrangement result display function 47 can display the processing result for the whole or each floor arranged on the three-dimensional CAD.

  FIG. 8 shows an example of a screen linked by the arrangement rule editing screen selection function 16 in FIG. On the arrangement rule editing screen 48, an arrangement device basic information input function 49, an arrangement rule editing information input function 50, each area description function 51 in the standard coordinate system, and a standard coordinate setting information display function 52 are installed.

  The arrangement device basic information input function 49 displays a rule number for each device, a device type number set by the device specification input screen selection function 12, a device name, and remarks information related to device arrangement. In the arrangement rule editing information input function 50, for example, input / output destination information of each device, horizontal / vertical direction arrangement information based on the conditions of each area description function 51 in the standard coordinate system and the standard coordinate setting information display function 52 described later. , Hierarchical information in the equipment height direction, space information necessary for maintenance such as disassembly and assembly of the main parts of each equipment (for example, large air compressor) and auxiliary equipment (for example, electric motor) required for operation, Restriction condition information and the like can be input or edited.

  In the standard coordinate setting information display function 52, the standard coordinate system of the hierarchical input result display function 37 selected by the initial arrangement plan execution screen selection function 13 can be displayed. Although FIG. 8 shows only one level, actually, data set for each floor is displayed according to the number of floors of the target plant.

  In each area description function 51 in the standard coordinate system, each divided area in the standard coordinate setting information display function 52 is expressed by, for example, nine divisions in the east, west, north, and south, and the center point (or load point) of the device software volume. Can be described. In the case of the center point, the center point of the bottom surface of the soft volume is shown, and in the case of the load point, the center point of load on the bottom surface of the volume including the equipment, auxiliary equipment, and gantry installed in the soft volume is shown.

  According to the above embodiment, in the equipment / piping arrangement plan at the time of plant design, a design reflecting the knowledge of an expert engineer can be realized, and the arrangement planning time can be shortened.

It is explanatory drawing which showed the process outline | summary of the plant equipment arrangement design system by this invention. It is explanatory drawing which showed the outline | summary of the basic platform of the arithmetic processing unit. It is explanatory drawing which showed the example screen of the basic specification input of the plant made into object. It is explanatory drawing which showed the example of a screen of hierarchy information input. It is explanatory drawing which showed the example of a screen of apparatus specification input. It is explanatory drawing which showed the example of a screen of initial arrangement plan execution. It is explanatory drawing which showed the example of a screen of floor arrangement adjustment execution. It is explanatory drawing which showed the example of a screen of arrangement | positioning rule edit.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Plant basic plan information, 2 ... Arithmetic processing unit, 3 ... Arrangement rule database, 4 ... Internal configuration of arithmetic processing unit, 5 ... Basic platform, 6 ... Basic specification input, 7 ... Hierarchical information input, 8 ... Device specification input, 9 ... Basic platform screen, 10 ... Basic specification input screen selection function, 11 ... Hierarchical information input screen selection function, 12 ... Equipment specification input screen selection function, 13 ... Initial layout plan execution screen selection function, 14 ... Floor layout adjustment screen selection Function: 15 ... Creation data output screen selection function, 16 ... Placement rule edit screen selection function, 17 ... Placement plan evaluation screen selection function, 18 ... Use manual link screen, 19 ... Question database link screen, 20 ... Stakeholder contact screen, 21 ... Basic specification input screen, 22 ... Similar plant data shooting condition input field, 23 ... Restriction condition input field, 24 ... Selection data 25 ... Input data confirmation function, 26 ... Input data editing function, 27 ... Platform call function, 28 ... Hierarchical information input screen, 29 ... Initial setting input function, 30 ... Similar prepaid plant selection function, 31 ... Each Hierarchical information input function, 32 ... Input information confirmation function, 33 ... Equipment specification input screen, 34 ... Information input function by equipment, 35 ... Arrangement plan execution screen, 36 ... Execution start function, 37 ... Hierarchical input result display function, 38 ... Basic arrangement plan information display function, 39 ... equipment soft volume arrangement result display function, 40 ... soft volume arrangement result display function such as piping, 41 ... soft volume interference check result display function, 42 ... each layer floor arrangement result display function, 43 ... Evaluation function information display function, 44 ... floor arrangement adjustment screen, 45 ... execution start function, 46 ... execution step display function, 47 ... floor arrangement result Display function 48 ... Arrangement rule edit screen 49 ... Arrangement device basic information input function 50 ... Arrangement rule edit information input function 51 ... Each area description function in standard coordinate system 52 ... Standard coordinate setting information display function 101 ... Arrangement plan execution, 102 ... Floor arrangement execution, 103 ... Rule base editing, 104 ... Determinator, 105 ... Output.

Claims (10)

  A plant equipment layout design system that performs equipment layout design of a plant consisting of a plurality of floors in a three-dimensional manner using a three-dimensional CAD, and includes a reference placement rule database in which positions of equipment constituting the plant are determined in a three-dimensional space. The plant basic plan information such as plant output, height of each floor, equipment configuration and building dimensions is input to the arithmetic processing unit, and a three-dimensional space based on standard structural material information included in the plant basic plan information. Set the reference coordinate system on the top, and install the equipment / piping / passage and the virtual space of each floor as the equipment placement position on the coordinate system in accordance with the placement rules to design the equipment placement. A plant equipment layout design system.   2. The plant equipment layout design system according to claim 1, wherein the plant equipment layout design system has a function of inputting the plant basic plan information and maintenance information such as equipment installation / loading / disassembly.   2. The plant equipment layout design system according to claim 1, wherein the input information includes plant site area, plant type, customer requirement specification, floor height, equipment to be installed, space required for maintenance, and equipment connection at each level. A plant equipment layout design system characterized by including rules.   The plant equipment arrangement design system according to claim 1, further comprising an interference check function for executing processing for checking whether or not interference occurs between virtual spaces installed on the coordinate system. .   A plant equipment layout design system that performs equipment layout design of a plant consisting of a plurality of floors in a three-dimensional manner using a three-dimensional CAD, and includes a reference placement rule database in which positions of equipment constituting the plant are determined in a three-dimensional space. The plant basic plan information such as plant output, height of each floor, equipment configuration and building dimensions is input to the arithmetic processing unit, and a three-dimensional space based on standard structural material information included in the plant basic plan information. Set the reference coordinate system on the top, set the equipment / piping / passage and the virtual space of each floor of each floor as the equipment placement position on the coordinate system in accordance with the placement rules, and perform the equipment placement design. Plant equipment layout design system, which creates and outputs equipment layout diagrams in which the virtual space of each equipment, piping, passages and floors of each floor is arranged in a three-dimensional space   6. The plant equipment arrangement design system according to claim 5, further comprising an interference check function for executing processing for checking whether or not interference occurs between virtual spaces installed on the coordinate system. .   A plant equipment layout design system that performs equipment layout design of a plant consisting of a plurality of floors in a three-dimensional manner using a three-dimensional CAD, and stores a placement rule for each hierarchy of equipment constituting the plant for a plurality of patterns. And an extraction function for extracting the location information closest to the specifications of the target plant from the reference placement rule database, a database storing design history and customer information as attribute data of information extracted by the extraction function, Function for inputting piping / wiring connection points of each floor information selected by the extraction function, a database for managing equipment information across multiple floors among equipment of the target plant, and equipment information across the multiple floors Equipment and floor of each floor arrangement information extracted by the extraction function along the database managing Placement of plant equipment based on information of a virtual space placement function that places a virtual space at a position, a database that manages a placement information history obtained by the function that places the virtual space, and a database that manages the placement information history A plant equipment arrangement design system having a function of creating a design drawing.   8. The plant equipment arrangement design system according to claim 7, wherein the reference arrangement rule database includes an arrangement rule that defines a position of the equipment in a three-dimensional space.   8. The plant equipment arrangement design system according to claim 7, further comprising an interference check function for checking whether or not interference occurs in the virtual space obtained by executing the virtual space arrangement function. .   8. The plant equipment arrangement design system according to claim 7, wherein the virtual space arrangement function includes a function of changing according to a preset position adjustment rule.

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